diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/.babelrc b/tools/ui/node_modules/cytoscape-cose-bilkent/.babelrc
new file mode 100644
index 0000000000000000000000000000000000000000..002b4aa0d58ec481a2688d3c0b66e9069e5d6adb
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/.babelrc
@@ -0,0 +1,3 @@
+{
+ "presets": ["env"]
+}
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/.eslintignore b/tools/ui/node_modules/cytoscape-cose-bilkent/.eslintignore
new file mode 100644
index 0000000000000000000000000000000000000000..07e4fe727841738ff07aa0ee136c872c67729bfe
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/.eslintignore
@@ -0,0 +1 @@
+node_modules/**/*
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/.eslintrc b/tools/ui/node_modules/cytoscape-cose-bilkent/.eslintrc
new file mode 100644
index 0000000000000000000000000000000000000000..31d35e21789367e839aff46bfbfb76d5862f2118
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/.eslintrc
@@ -0,0 +1,13 @@
+{
+ "env": {
+ "browser": true,
+ "commonjs": true,
+ "node": true,
+ "amd": true,
+ "es6": true
+ },
+ "extends": "eslint:recommended",
+ "rules": {
+ "semi": "error"
+ }
+}
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/LICENSE b/tools/ui/node_modules/cytoscape-cose-bilkent/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..9e21a7e3e05f3487da03a4e50f63c61d46686706
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/LICENSE
@@ -0,0 +1,21 @@
+
+
+Copyright (c) 2016-2018, The Cytoscape Consortium.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the “Software”), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/README.md b/tools/ui/node_modules/cytoscape-cose-bilkent/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..731b6002d88665f7884dd13088e4af7d43edc64d
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/README.md
@@ -0,0 +1,145 @@
+cytoscape-cose-bilkent
+================================================================================
+
+[](https://zenodo.org/badge/latestdoi/42200589)
+
+## Description
+
+The CoSE (Compound Spring Embedder) layout for Cytoscape.js developed by [i-Vis Lab](http://cs.bilkent.edu.tr/~ivis/) in Bilkent University is a spring embedder layout with support for compound graphs (nested structures) and varying (non-uniform) node dimensions.
+([demo](https://raw.githack.com/cytoscape/cytoscape.js-cose-bilkent/master/demo.html), [compound demo](https://raw.githack.com/cytoscape/cytoscape.js-cose-bilkent/master/demo-compound.html))
+
+Please cite the following when using this layout:
+
+U. Dogrusoz, E. Giral, A. Cetintas, A. Civril, and E. Demir, "[A Layout Algorithm For Undirected Compound Graphs](http://www.sciencedirect.com/science/article/pii/S0020025508004799)", Information Sciences, 179, pp. 980-994, 2009.
+
+## Dependencies
+
+ * Cytoscape.js ^3.2.0
+ * cose-base ^1.0.0
+
+
+## Usage instructions
+
+Download the library:
+ * via npm: `npm install cytoscape-cose-bilkent`,
+ * via bower: `bower install cytoscape-cose-bilkent`, or
+ * via direct download in the repository (probably from a tag).
+
+Import the library as appropriate for your project:
+
+ES import:
+
+```js
+import cytoscape from 'cytoscape';
+import coseBilkent from 'cytoscape-cose-bilkent';
+
+cytoscape.use( coseBilkent );
+```
+
+CommonJS require:
+
+```js
+let cytoscape = require('cytoscape');
+let coseBilkent = require('cytoscape-cose-bilkent');
+
+cytoscape.use( coseBilkent ); // register extension
+```
+
+AMD:
+
+```js
+require(['cytoscape', 'cytoscape-cose-bilkent'], function( cytoscape, coseBilkent ){
+ coseBilkent( cytoscape ); // register extension
+});
+```
+
+Plain HTML/JS has the extension registered for you automatically, because no `require()` is needed.
+
+
+## API
+
+When calling the layout, e.g. `cy.layout({ name: 'cose-bilkent', ... })`, the following options are supported:
+
+```js
+var defaultOptions = {
+ // Called on `layoutready`
+ ready: function () {
+ },
+ // Called on `layoutstop`
+ stop: function () {
+ },
+ // 'draft', 'default' or 'proof"
+ // - 'draft' fast cooling rate
+ // - 'default' moderate cooling rate
+ // - "proof" slow cooling rate
+ quality: 'default',
+ // Whether to include labels in node dimensions. Useful for avoiding label overlap
+ nodeDimensionsIncludeLabels: false,
+ // number of ticks per frame; higher is faster but more jerky
+ refresh: 30,
+ // Whether to fit the network view after when done
+ fit: true,
+ // Padding on fit
+ padding: 10,
+ // Whether to enable incremental mode
+ randomize: true,
+ // Node repulsion (non overlapping) multiplier
+ nodeRepulsion: 4500,
+ // Ideal (intra-graph) edge length
+ idealEdgeLength: 50,
+ // Divisor to compute edge forces
+ edgeElasticity: 0.45,
+ // Nesting factor (multiplier) to compute ideal edge length for inter-graph edges
+ nestingFactor: 0.1,
+ // Gravity force (constant)
+ gravity: 0.25,
+ // Maximum number of iterations to perform
+ numIter: 2500,
+ // Whether to tile disconnected nodes
+ tile: true,
+ // Type of layout animation. The option set is {'during', 'end', false}
+ animate: 'end',
+ // Duration for animate:end
+ animationDuration: 500,
+ // Amount of vertical space to put between degree zero nodes during tiling (can also be a function)
+ tilingPaddingVertical: 10,
+ // Amount of horizontal space to put between degree zero nodes during tiling (can also be a function)
+ tilingPaddingHorizontal: 10,
+ // Gravity range (constant) for compounds
+ gravityRangeCompound: 1.5,
+ // Gravity force (constant) for compounds
+ gravityCompound: 1.0,
+ // Gravity range (constant)
+ gravityRange: 3.8,
+ // Initial cooling factor for incremental layout
+ initialEnergyOnIncremental: 0.5
+};
+```
+
+*Note that this extension supports only relatively modern browsers. Browsers like IE require significant shimming, for example with [core-js](https://www.npmjs.com/package/core-js).*
+
+*Note that while running Cytoscape.js in headless mode, stylingEnabled option of Cytoscape.js should be set as true because this extension considers node dimensions and some other styling properties.*
+
+
+## Build targets
+
+* `npm run test` : Run Mocha tests in `./test`
+* `npm run build` : Build `./src/**` into `cytoscape-cose-bilkent.js`
+* `npm run watch` : Automatically build on changes with live reloading (N.b. you must already have an HTTP server running)
+* `npm run dev` : Automatically build on changes with live reloading with webpack dev server
+* `npm run lint` : Run eslint on the source
+
+N.b. all builds use babel, so modern ES features can be used in the `src`.
+
+
+## Publishing instructions
+
+This project is set up to automatically be published to npm and bower. To publish:
+
+1. Build the extension : `npm run build:release`
+1. Commit the build : `git commit -am "Build for release"`
+1. Bump the version number and tag: `npm version major|minor|patch`
+1. Push to origin: `git push && git push --tags`
+1. Publish to npm: `npm publish .`
+1. If publishing to bower for the first time, you'll need to run `bower register cytoscape-cose-bilkent https://github.com/cytoscape/cytoscape.js-cose-bilkent.git`
+1. [Make a new release](https://github.com/cytoscape/cytoscape.js-cose-bilkent/releases/new) for Zenodo.
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/bower.json b/tools/ui/node_modules/cytoscape-cose-bilkent/bower.json
new file mode 100644
index 0000000000000000000000000000000000000000..bac81c964d9261948f0fb58a18604c3de9554183
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/bower.json
@@ -0,0 +1,25 @@
+{
+ "name": "cytoscape-cose-bilkent",
+ "description": "The CoSE layout for Cytoscape.js by Bilkent with enhanced compound node placement",
+ "main": "cytoscape-cose-bilkent.js",
+ "dependencies": {
+ "cytoscape": "^3.2.0",
+ "cose-base": "^1.0.0"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/cytoscape/cytoscape.js-cose-bilkent.git"
+ },
+ "ignore": [
+ "**/.*",
+ "node_modules",
+ "bower_components",
+ "test",
+ "tests"
+ ],
+ "keywords": [
+ "cytoscape",
+ "cytoscape-extension"
+ ],
+ "license": "MIT"
+}
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js b/tools/ui/node_modules/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js
new file mode 100644
index 0000000000000000000000000000000000000000..1f138a8970f4cdf939993e2d5d8eeaaf7d756807
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/cytoscape-cose-bilkent.js
@@ -0,0 +1,458 @@
+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory(require("cose-base"));
+ else if(typeof define === 'function' && define.amd)
+ define(["cose-base"], factory);
+ else if(typeof exports === 'object')
+ exports["cytoscapeCoseBilkent"] = factory(require("cose-base"));
+ else
+ root["cytoscapeCoseBilkent"] = factory(root["coseBase"]);
+})(this, function(__WEBPACK_EXTERNAL_MODULE_0__) {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId]) {
+/******/ return installedModules[moduleId].exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ i: moduleId,
+/******/ l: false,
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ // Flag the module as loaded
+/******/ module.l = true;
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/******/
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+/******/
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+/******/
+/******/ // identity function for calling harmony imports with the correct context
+/******/ __webpack_require__.i = function(value) { return value; };
+/******/
+/******/ // define getter function for harmony exports
+/******/ __webpack_require__.d = function(exports, name, getter) {
+/******/ if(!__webpack_require__.o(exports, name)) {
+/******/ Object.defineProperty(exports, name, {
+/******/ configurable: false,
+/******/ enumerable: true,
+/******/ get: getter
+/******/ });
+/******/ }
+/******/ };
+/******/
+/******/ // getDefaultExport function for compatibility with non-harmony modules
+/******/ __webpack_require__.n = function(module) {
+/******/ var getter = module && module.__esModule ?
+/******/ function getDefault() { return module['default']; } :
+/******/ function getModuleExports() { return module; };
+/******/ __webpack_require__.d(getter, 'a', getter);
+/******/ return getter;
+/******/ };
+/******/
+/******/ // Object.prototype.hasOwnProperty.call
+/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "";
+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(__webpack_require__.s = 1);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports) {
+
+module.exports = __WEBPACK_EXTERNAL_MODULE_0__;
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LayoutConstants = __webpack_require__(0).layoutBase.LayoutConstants;
+var FDLayoutConstants = __webpack_require__(0).layoutBase.FDLayoutConstants;
+var CoSEConstants = __webpack_require__(0).CoSEConstants;
+var CoSELayout = __webpack_require__(0).CoSELayout;
+var CoSENode = __webpack_require__(0).CoSENode;
+var PointD = __webpack_require__(0).layoutBase.PointD;
+var DimensionD = __webpack_require__(0).layoutBase.DimensionD;
+
+var defaults = {
+ // Called on `layoutready`
+ ready: function ready() {},
+ // Called on `layoutstop`
+ stop: function stop() {},
+ // 'draft', 'default' or 'proof"
+ // - 'draft' fast cooling rate
+ // - 'default' moderate cooling rate
+ // - "proof" slow cooling rate
+ quality: 'default',
+ // include labels in node dimensions
+ nodeDimensionsIncludeLabels: false,
+ // number of ticks per frame; higher is faster but more jerky
+ refresh: 30,
+ // Whether to fit the network view after when done
+ fit: true,
+ // Padding on fit
+ padding: 10,
+ // Whether to enable incremental mode
+ randomize: true,
+ // Node repulsion (non overlapping) multiplier
+ nodeRepulsion: 4500,
+ // Ideal edge (non nested) length
+ idealEdgeLength: 50,
+ // Divisor to compute edge forces
+ edgeElasticity: 0.45,
+ // Nesting factor (multiplier) to compute ideal edge length for nested edges
+ nestingFactor: 0.1,
+ // Gravity force (constant)
+ gravity: 0.25,
+ // Maximum number of iterations to perform
+ numIter: 2500,
+ // For enabling tiling
+ tile: true,
+ // Type of layout animation. The option set is {'during', 'end', false}
+ animate: 'end',
+ // Duration for animate:end
+ animationDuration: 500,
+ // Represents the amount of the vertical space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingVertical: 10,
+ // Represents the amount of the horizontal space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingHorizontal: 10,
+ // Gravity range (constant) for compounds
+ gravityRangeCompound: 1.5,
+ // Gravity force (constant) for compounds
+ gravityCompound: 1.0,
+ // Gravity range (constant)
+ gravityRange: 3.8,
+ // Initial cooling factor for incremental layout
+ initialEnergyOnIncremental: 0.5
+};
+
+function extend(defaults, options) {
+ var obj = {};
+
+ for (var i in defaults) {
+ obj[i] = defaults[i];
+ }
+
+ for (var i in options) {
+ obj[i] = options[i];
+ }
+
+ return obj;
+};
+
+function _CoSELayout(_options) {
+ this.options = extend(defaults, _options);
+ getUserOptions(this.options);
+}
+
+var getUserOptions = function getUserOptions(options) {
+ if (options.nodeRepulsion != null) CoSEConstants.DEFAULT_REPULSION_STRENGTH = FDLayoutConstants.DEFAULT_REPULSION_STRENGTH = options.nodeRepulsion;
+ if (options.idealEdgeLength != null) CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = options.idealEdgeLength;
+ if (options.edgeElasticity != null) CoSEConstants.DEFAULT_SPRING_STRENGTH = FDLayoutConstants.DEFAULT_SPRING_STRENGTH = options.edgeElasticity;
+ if (options.nestingFactor != null) CoSEConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = options.nestingFactor;
+ if (options.gravity != null) CoSEConstants.DEFAULT_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH = options.gravity;
+ if (options.numIter != null) CoSEConstants.MAX_ITERATIONS = FDLayoutConstants.MAX_ITERATIONS = options.numIter;
+ if (options.gravityRange != null) CoSEConstants.DEFAULT_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR = options.gravityRange;
+ if (options.gravityCompound != null) CoSEConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = options.gravityCompound;
+ if (options.gravityRangeCompound != null) CoSEConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = options.gravityRangeCompound;
+ if (options.initialEnergyOnIncremental != null) CoSEConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = options.initialEnergyOnIncremental;
+
+ if (options.quality == 'draft') LayoutConstants.QUALITY = 0;else if (options.quality == 'proof') LayoutConstants.QUALITY = 2;else LayoutConstants.QUALITY = 1;
+
+ CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS = FDLayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = options.nodeDimensionsIncludeLabels;
+ CoSEConstants.DEFAULT_INCREMENTAL = FDLayoutConstants.DEFAULT_INCREMENTAL = LayoutConstants.DEFAULT_INCREMENTAL = !options.randomize;
+ CoSEConstants.ANIMATE = FDLayoutConstants.ANIMATE = LayoutConstants.ANIMATE = options.animate;
+ CoSEConstants.TILE = options.tile;
+ CoSEConstants.TILING_PADDING_VERTICAL = typeof options.tilingPaddingVertical === 'function' ? options.tilingPaddingVertical.call() : options.tilingPaddingVertical;
+ CoSEConstants.TILING_PADDING_HORIZONTAL = typeof options.tilingPaddingHorizontal === 'function' ? options.tilingPaddingHorizontal.call() : options.tilingPaddingHorizontal;
+};
+
+_CoSELayout.prototype.run = function () {
+ var ready;
+ var frameId;
+ var options = this.options;
+ var idToLNode = this.idToLNode = {};
+ var layout = this.layout = new CoSELayout();
+ var self = this;
+
+ self.stopped = false;
+
+ this.cy = this.options.cy;
+
+ this.cy.trigger({ type: 'layoutstart', layout: this });
+
+ var gm = layout.newGraphManager();
+ this.gm = gm;
+
+ var nodes = this.options.eles.nodes();
+ var edges = this.options.eles.edges();
+
+ this.root = gm.addRoot();
+ this.processChildrenList(this.root, this.getTopMostNodes(nodes), layout);
+
+ for (var i = 0; i < edges.length; i++) {
+ var edge = edges[i];
+ var sourceNode = this.idToLNode[edge.data("source")];
+ var targetNode = this.idToLNode[edge.data("target")];
+ if (sourceNode !== targetNode && sourceNode.getEdgesBetween(targetNode).length == 0) {
+ var e1 = gm.add(layout.newEdge(), sourceNode, targetNode);
+ e1.id = edge.id();
+ }
+ }
+
+ var getPositions = function getPositions(ele, i) {
+ if (typeof ele === "number") {
+ ele = i;
+ }
+ var theId = ele.data('id');
+ var lNode = self.idToLNode[theId];
+
+ return {
+ x: lNode.getRect().getCenterX(),
+ y: lNode.getRect().getCenterY()
+ };
+ };
+
+ /*
+ * Reposition nodes in iterations animatedly
+ */
+ var iterateAnimated = function iterateAnimated() {
+ // Thigs to perform after nodes are repositioned on screen
+ var afterReposition = function afterReposition() {
+ if (options.fit) {
+ options.cy.fit(options.eles, options.padding);
+ }
+
+ if (!ready) {
+ ready = true;
+ self.cy.one('layoutready', options.ready);
+ self.cy.trigger({ type: 'layoutready', layout: self });
+ }
+ };
+
+ var ticksPerFrame = self.options.refresh;
+ var isDone;
+
+ for (var i = 0; i < ticksPerFrame && !isDone; i++) {
+ isDone = self.stopped || self.layout.tick();
+ }
+
+ // If layout is done
+ if (isDone) {
+ // If the layout is not a sublayout and it is successful perform post layout.
+ if (layout.checkLayoutSuccess() && !layout.isSubLayout) {
+ layout.doPostLayout();
+ }
+
+ // If layout has a tilingPostLayout function property call it.
+ if (layout.tilingPostLayout) {
+ layout.tilingPostLayout();
+ }
+
+ layout.isLayoutFinished = true;
+
+ self.options.eles.nodes().positions(getPositions);
+
+ afterReposition();
+
+ // trigger layoutstop when the layout stops (e.g. finishes)
+ self.cy.one('layoutstop', self.options.stop);
+ self.cy.trigger({ type: 'layoutstop', layout: self });
+
+ if (frameId) {
+ cancelAnimationFrame(frameId);
+ }
+
+ ready = false;
+ return;
+ }
+
+ var animationData = self.layout.getPositionsData(); // Get positions of layout nodes note that all nodes may not be layout nodes because of tiling
+
+ // Position nodes, for the nodes whose id does not included in data (because they are removed from their parents and included in dummy compounds)
+ // use position of their ancestors or dummy ancestors
+ options.eles.nodes().positions(function (ele, i) {
+ if (typeof ele === "number") {
+ ele = i;
+ }
+ // If ele is a compound node, then its position will be defined by its children
+ if (!ele.isParent()) {
+ var theId = ele.id();
+ var pNode = animationData[theId];
+ var temp = ele;
+ // If pNode is undefined search until finding position data of its first ancestor (It may be dummy as well)
+ while (pNode == null) {
+ pNode = animationData[temp.data('parent')] || animationData['DummyCompound_' + temp.data('parent')];
+ animationData[theId] = pNode;
+ temp = temp.parent()[0];
+ if (temp == undefined) {
+ break;
+ }
+ }
+ if (pNode != null) {
+ return {
+ x: pNode.x,
+ y: pNode.y
+ };
+ } else {
+ return {
+ x: ele.position('x'),
+ y: ele.position('y')
+ };
+ }
+ }
+ });
+
+ afterReposition();
+
+ frameId = requestAnimationFrame(iterateAnimated);
+ };
+
+ /*
+ * Listen 'layoutstarted' event and start animated iteration if animate option is 'during'
+ */
+ layout.addListener('layoutstarted', function () {
+ if (self.options.animate === 'during') {
+ frameId = requestAnimationFrame(iterateAnimated);
+ }
+ });
+
+ layout.runLayout(); // Run cose layout
+
+ /*
+ * If animate option is not 'during' ('end' or false) perform these here (If it is 'during' similar things are already performed)
+ */
+ if (this.options.animate !== "during") {
+ self.options.eles.nodes().not(":parent").layoutPositions(self, self.options, getPositions); // Use layout positions to reposition the nodes it considers the options parameter
+ ready = false;
+ }
+
+ return this; // chaining
+};
+
+//Get the top most ones of a list of nodes
+_CoSELayout.prototype.getTopMostNodes = function (nodes) {
+ var nodesMap = {};
+ for (var i = 0; i < nodes.length; i++) {
+ nodesMap[nodes[i].id()] = true;
+ }
+ var roots = nodes.filter(function (ele, i) {
+ if (typeof ele === "number") {
+ ele = i;
+ }
+ var parent = ele.parent()[0];
+ while (parent != null) {
+ if (nodesMap[parent.id()]) {
+ return false;
+ }
+ parent = parent.parent()[0];
+ }
+ return true;
+ });
+
+ return roots;
+};
+
+_CoSELayout.prototype.processChildrenList = function (parent, children, layout) {
+ var size = children.length;
+ for (var i = 0; i < size; i++) {
+ var theChild = children[i];
+ var children_of_children = theChild.children();
+ var theNode;
+
+ var dimensions = theChild.layoutDimensions({
+ nodeDimensionsIncludeLabels: this.options.nodeDimensionsIncludeLabels
+ });
+
+ if (theChild.outerWidth() != null && theChild.outerHeight() != null) {
+ theNode = parent.add(new CoSENode(layout.graphManager, new PointD(theChild.position('x') - dimensions.w / 2, theChild.position('y') - dimensions.h / 2), new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ } else {
+ theNode = parent.add(new CoSENode(this.graphManager));
+ }
+ // Attach id to the layout node
+ theNode.id = theChild.data("id");
+ // Attach the paddings of cy node to layout node
+ theNode.paddingLeft = parseInt(theChild.css('padding'));
+ theNode.paddingTop = parseInt(theChild.css('padding'));
+ theNode.paddingRight = parseInt(theChild.css('padding'));
+ theNode.paddingBottom = parseInt(theChild.css('padding'));
+
+ //Attach the label properties to compound if labels will be included in node dimensions
+ if (this.options.nodeDimensionsIncludeLabels) {
+ if (theChild.isParent()) {
+ var labelWidth = theChild.boundingBox({ includeLabels: true, includeNodes: false }).w;
+ var labelHeight = theChild.boundingBox({ includeLabels: true, includeNodes: false }).h;
+ var labelPos = theChild.css("text-halign");
+ theNode.labelWidth = labelWidth;
+ theNode.labelHeight = labelHeight;
+ theNode.labelPos = labelPos;
+ }
+ }
+
+ // Map the layout node
+ this.idToLNode[theChild.data("id")] = theNode;
+
+ if (isNaN(theNode.rect.x)) {
+ theNode.rect.x = 0;
+ }
+
+ if (isNaN(theNode.rect.y)) {
+ theNode.rect.y = 0;
+ }
+
+ if (children_of_children != null && children_of_children.length > 0) {
+ var theNewGraph;
+ theNewGraph = layout.getGraphManager().add(layout.newGraph(), theNode);
+ this.processChildrenList(theNewGraph, children_of_children, layout);
+ }
+ }
+};
+
+/**
+ * @brief : called on continuous layouts to stop them before they finish
+ */
+_CoSELayout.prototype.stop = function () {
+ this.stopped = true;
+
+ return this; // chaining
+};
+
+var register = function register(cytoscape) {
+ // var Layout = getLayout( cytoscape );
+
+ cytoscape('layout', 'cose-bilkent', _CoSELayout);
+};
+
+// auto reg for globals
+if (typeof cytoscape !== 'undefined') {
+ register(cytoscape);
+}
+
+module.exports = register;
+
+/***/ })
+/******/ ]);
+});
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/demo-compound.html b/tools/ui/node_modules/cytoscape-cose-bilkent/demo-compound.html
new file mode 100644
index 0000000000000000000000000000000000000000..0b4e3cd715d5343d40600016b8a7f073adf6ce9c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/demo-compound.html
@@ -0,0 +1,199 @@
+
+
+
+
+
+ cytoscape-cose-bilkent.js demo (compound)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ cytoscape-cose-bilkent demo (compound)
+
+ Randomize
+ CoSE-Bilkent
+
+
+
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/demo.html b/tools/ui/node_modules/cytoscape-cose-bilkent/demo.html
new file mode 100644
index 0000000000000000000000000000000000000000..f0f5af96701aa3ad18531dc233b504441dad6b2c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/demo.html
@@ -0,0 +1,117 @@
+
+
+
+
+
+ cytoscape-cose-bilkent.js demo
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ cytoscape-cose-bilkent demo
+
+ Randomize
+ CoSE-Bilkent
+
+
+
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/private/private.properties b/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/private/private.properties
new file mode 100644
index 0000000000000000000000000000000000000000..3b1a22e6c97a8c2654cd087e610829a8b4eebdb8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/private/private.properties
@@ -0,0 +1 @@
+browser=Chrome.INTEGRATED
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/project.properties b/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/project.properties
new file mode 100644
index 0000000000000000000000000000000000000000..da97eba5689cca90e15d36e3313b84a7a7df27a4
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/project.properties
@@ -0,0 +1,3 @@
+files.encoding=UTF-8
+site.root.folder=
+source.folder=
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/project.xml b/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..22b7c4aae792f20358b87d7da5c2ca0e1e3250ba
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/nbproject/project.xml
@@ -0,0 +1,9 @@
+
+
+ org.netbeans.modules.web.clientproject
+
+
+ cytoscape-cose-bilkent
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/package.json b/tools/ui/node_modules/cytoscape-cose-bilkent/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..f2e1b4c90fe887e1e3d9dc5a085eece639a403b2
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/package.json
@@ -0,0 +1,55 @@
+{
+ "name": "cytoscape-cose-bilkent",
+ "version": "4.1.0",
+ "description": "The CoSE layout for Cytoscape.js by Bilkent with enhanced compound node placement",
+ "main": "cytoscape-cose-bilkent.js",
+ "scripts": {
+ "postpublish": "run-s gh-pages",
+ "gh-pages": "gh-pages -d pages",
+ "copyright": "update license",
+ "lint": "eslint src",
+ "build": "cross-env NODE_ENV=production webpack",
+ "build:min": "cross-env NODE_ENV=production MIN=true webpack",
+ "build:release": "run-s build copyright",
+ "watch": "webpack --progress --watch",
+ "dev": "webpack-dev-server --open",
+ "test": "mocha"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/cytoscape/cytoscape.js-cose-bilkent.git"
+ },
+ "keywords": [
+ "cytoscape",
+ "cytoscape-extension"
+ ],
+ "license": "MIT",
+ "bugs": {
+ "url": "https://github.com/cytoscape/cytoscape.js-cose-bilkent/issues"
+ },
+ "homepage": "https://github.com/cytoscape/cytoscape.js-cose-bilkent",
+ "devDependencies": {
+ "babel-core": "^6.24.1",
+ "babel-loader": "^7.0.0",
+ "babel-preset-env": "^1.5.1",
+ "camelcase": "^4.1.0",
+ "chai": "4.0.2",
+ "cpy-cli": "^1.0.1",
+ "cross-env": "^5.0.0",
+ "eslint": "^3.9.1",
+ "gh-pages": "^1.0.0",
+ "mocha": "3.4.2",
+ "npm-run-all": "^4.1.2",
+ "rimraf": "^2.6.2",
+ "update": "^0.7.4",
+ "updater-license": "^1.0.0",
+ "webpack": "^2.6.1",
+ "webpack-dev-server": "^2.4.5"
+ },
+ "peerDependencies": {
+ "cytoscape": "^3.2.0"
+ },
+ "dependencies": {
+ "cose-base": "^1.0.0"
+ }
+}
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/src/index.js b/tools/ui/node_modules/cytoscape-cose-bilkent/src/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..4bf002dd2017cb7cf6e9759ffcff4347705f62f8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/src/index.js
@@ -0,0 +1,390 @@
+'use strict';
+
+var LayoutConstants = require('cose-base').layoutBase.LayoutConstants;
+var FDLayoutConstants = require('cose-base').layoutBase.FDLayoutConstants;
+var CoSEConstants = require('cose-base').CoSEConstants;
+var CoSELayout = require('cose-base').CoSELayout;
+var CoSENode = require('cose-base').CoSENode;
+var PointD = require('cose-base').layoutBase.PointD;
+var DimensionD = require('cose-base').layoutBase.DimensionD;
+
+var defaults = {
+ // Called on `layoutready`
+ ready: function () {
+ },
+ // Called on `layoutstop`
+ stop: function () {
+ },
+ // 'draft', 'default' or 'proof"
+ // - 'draft' fast cooling rate
+ // - 'default' moderate cooling rate
+ // - "proof" slow cooling rate
+ quality: 'default',
+ // include labels in node dimensions
+ nodeDimensionsIncludeLabels: false,
+ // number of ticks per frame; higher is faster but more jerky
+ refresh: 30,
+ // Whether to fit the network view after when done
+ fit: true,
+ // Padding on fit
+ padding: 10,
+ // Whether to enable incremental mode
+ randomize: true,
+ // Node repulsion (non overlapping) multiplier
+ nodeRepulsion: 4500,
+ // Ideal edge (non nested) length
+ idealEdgeLength: 50,
+ // Divisor to compute edge forces
+ edgeElasticity: 0.45,
+ // Nesting factor (multiplier) to compute ideal edge length for nested edges
+ nestingFactor: 0.1,
+ // Gravity force (constant)
+ gravity: 0.25,
+ // Maximum number of iterations to perform
+ numIter: 2500,
+ // For enabling tiling
+ tile: true,
+ // Type of layout animation. The option set is {'during', 'end', false}
+ animate: 'end',
+ // Duration for animate:end
+ animationDuration: 500,
+ // Represents the amount of the vertical space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingVertical: 10,
+ // Represents the amount of the horizontal space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingHorizontal: 10,
+ // Gravity range (constant) for compounds
+ gravityRangeCompound: 1.5,
+ // Gravity force (constant) for compounds
+ gravityCompound: 1.0,
+ // Gravity range (constant)
+ gravityRange: 3.8,
+ // Initial cooling factor for incremental layout
+ initialEnergyOnIncremental: 0.5
+};
+
+function extend(defaults, options) {
+ var obj = {};
+
+ for (var i in defaults) {
+ obj[i] = defaults[i];
+ }
+
+ for (var i in options) {
+ obj[i] = options[i];
+ }
+
+ return obj;
+};
+
+function _CoSELayout(_options) {
+ this.options = extend(defaults, _options);
+ getUserOptions(this.options);
+}
+
+var getUserOptions = function (options) {
+ if (options.nodeRepulsion != null)
+ CoSEConstants.DEFAULT_REPULSION_STRENGTH = FDLayoutConstants.DEFAULT_REPULSION_STRENGTH = options.nodeRepulsion;
+ if (options.idealEdgeLength != null)
+ CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = options.idealEdgeLength;
+ if (options.edgeElasticity != null)
+ CoSEConstants.DEFAULT_SPRING_STRENGTH = FDLayoutConstants.DEFAULT_SPRING_STRENGTH = options.edgeElasticity;
+ if (options.nestingFactor != null)
+ CoSEConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = options.nestingFactor;
+ if (options.gravity != null)
+ CoSEConstants.DEFAULT_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH = options.gravity;
+ if (options.numIter != null)
+ CoSEConstants.MAX_ITERATIONS = FDLayoutConstants.MAX_ITERATIONS = options.numIter;
+ if (options.gravityRange != null)
+ CoSEConstants.DEFAULT_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR = options.gravityRange;
+ if(options.gravityCompound != null)
+ CoSEConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = options.gravityCompound;
+ if(options.gravityRangeCompound != null)
+ CoSEConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = options.gravityRangeCompound;
+ if (options.initialEnergyOnIncremental != null)
+ CoSEConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = options.initialEnergyOnIncremental;
+
+ if (options.quality == 'draft')
+ LayoutConstants.QUALITY = 0;
+ else if(options.quality == 'proof')
+ LayoutConstants.QUALITY = 2;
+ else
+ LayoutConstants.QUALITY = 1;
+
+ CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS = FDLayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = options.nodeDimensionsIncludeLabels;
+ CoSEConstants.DEFAULT_INCREMENTAL = FDLayoutConstants.DEFAULT_INCREMENTAL = LayoutConstants.DEFAULT_INCREMENTAL =
+ !(options.randomize);
+ CoSEConstants.ANIMATE = FDLayoutConstants.ANIMATE = LayoutConstants.ANIMATE = options.animate;
+ CoSEConstants.TILE = options.tile;
+ CoSEConstants.TILING_PADDING_VERTICAL =
+ typeof options.tilingPaddingVertical === 'function' ? options.tilingPaddingVertical.call() : options.tilingPaddingVertical;
+ CoSEConstants.TILING_PADDING_HORIZONTAL =
+ typeof options.tilingPaddingHorizontal === 'function' ? options.tilingPaddingHorizontal.call() : options.tilingPaddingHorizontal;
+};
+
+_CoSELayout.prototype.run = function () {
+ var ready;
+ var frameId;
+ var options = this.options;
+ var idToLNode = this.idToLNode = {};
+ var layout = this.layout = new CoSELayout();
+ var self = this;
+
+ self.stopped = false;
+
+ this.cy = this.options.cy;
+
+ this.cy.trigger({ type: 'layoutstart', layout: this });
+
+ var gm = layout.newGraphManager();
+ this.gm = gm;
+
+ var nodes = this.options.eles.nodes();
+ var edges = this.options.eles.edges();
+
+ this.root = gm.addRoot();
+ this.processChildrenList(this.root, this.getTopMostNodes(nodes), layout);
+
+
+ for (var i = 0; i < edges.length; i++) {
+ var edge = edges[i];
+ var sourceNode = this.idToLNode[edge.data("source")];
+ var targetNode = this.idToLNode[edge.data("target")];
+ if(sourceNode !== targetNode && sourceNode.getEdgesBetween(targetNode).length == 0){
+ var e1 = gm.add(layout.newEdge(), sourceNode, targetNode);
+ e1.id = edge.id();
+ }
+ }
+
+ var getPositions = function(ele, i){
+ if(typeof ele === "number") {
+ ele = i;
+ }
+ var theId = ele.data('id');
+ var lNode = self.idToLNode[theId];
+
+ return {
+ x: lNode.getRect().getCenterX(),
+ y: lNode.getRect().getCenterY()
+ };
+ };
+
+ /*
+ * Reposition nodes in iterations animatedly
+ */
+ var iterateAnimated = function () {
+ // Thigs to perform after nodes are repositioned on screen
+ var afterReposition = function() {
+ if (options.fit) {
+ options.cy.fit(options.eles, options.padding);
+ }
+
+ if (!ready) {
+ ready = true;
+ self.cy.one('layoutready', options.ready);
+ self.cy.trigger({type: 'layoutready', layout: self});
+ }
+ };
+
+ var ticksPerFrame = self.options.refresh;
+ var isDone;
+
+ for( var i = 0; i < ticksPerFrame && !isDone; i++ ){
+ isDone = self.stopped || self.layout.tick();
+ }
+
+ // If layout is done
+ if (isDone) {
+ // If the layout is not a sublayout and it is successful perform post layout.
+ if (layout.checkLayoutSuccess() && !layout.isSubLayout) {
+ layout.doPostLayout();
+ }
+
+ // If layout has a tilingPostLayout function property call it.
+ if (layout.tilingPostLayout) {
+ layout.tilingPostLayout();
+ }
+
+ layout.isLayoutFinished = true;
+
+ self.options.eles.nodes().positions(getPositions);
+
+ afterReposition();
+
+ // trigger layoutstop when the layout stops (e.g. finishes)
+ self.cy.one('layoutstop', self.options.stop);
+ self.cy.trigger({ type: 'layoutstop', layout: self });
+
+ if (frameId) {
+ cancelAnimationFrame(frameId);
+ }
+
+ ready = false;
+ return;
+ }
+
+ var animationData = self.layout.getPositionsData(); // Get positions of layout nodes note that all nodes may not be layout nodes because of tiling
+
+ // Position nodes, for the nodes whose id does not included in data (because they are removed from their parents and included in dummy compounds)
+ // use position of their ancestors or dummy ancestors
+ options.eles.nodes().positions(function (ele, i) {
+ if (typeof ele === "number") {
+ ele = i;
+ }
+ // If ele is a compound node, then its position will be defined by its children
+ if(!ele.isParent()){
+ var theId = ele.id();
+ var pNode = animationData[theId];
+ var temp = ele;
+ // If pNode is undefined search until finding position data of its first ancestor (It may be dummy as well)
+ while (pNode == null) {
+ pNode = animationData[temp.data('parent')] || animationData['DummyCompound_' + temp.data('parent')];
+ animationData[theId] = pNode;
+ temp = temp.parent()[0];
+ if(temp == undefined){
+ break;
+ }
+ }
+ if(pNode != null){
+ return {
+ x: pNode.x,
+ y: pNode.y
+ };
+ } else{
+ return {
+ x: ele.position('x'),
+ y: ele.position('y')
+ };
+ }
+ }
+ });
+
+ afterReposition();
+
+ frameId = requestAnimationFrame(iterateAnimated);
+ };
+
+ /*
+ * Listen 'layoutstarted' event and start animated iteration if animate option is 'during'
+ */
+ layout.addListener('layoutstarted', function () {
+ if (self.options.animate === 'during') {
+ frameId = requestAnimationFrame(iterateAnimated);
+ }
+ });
+
+ layout.runLayout(); // Run cose layout
+
+ /*
+ * If animate option is not 'during' ('end' or false) perform these here (If it is 'during' similar things are already performed)
+ */
+ if(this.options.animate !== "during"){
+ self.options.eles.nodes().not(":parent").layoutPositions(self, self.options, getPositions); // Use layout positions to reposition the nodes it considers the options parameter
+ ready = false;
+ }
+
+ return this; // chaining
+};
+
+//Get the top most ones of a list of nodes
+_CoSELayout.prototype.getTopMostNodes = function(nodes) {
+ var nodesMap = {};
+ for (var i = 0; i < nodes.length; i++) {
+ nodesMap[nodes[i].id()] = true;
+ }
+ var roots = nodes.filter(function (ele, i) {
+ if(typeof ele === "number") {
+ ele = i;
+ }
+ var parent = ele.parent()[0];
+ while(parent != null){
+ if(nodesMap[parent.id()]){
+ return false;
+ }
+ parent = parent.parent()[0];
+ }
+ return true;
+ });
+
+ return roots;
+};
+
+_CoSELayout.prototype.processChildrenList = function (parent, children, layout) {
+ var size = children.length;
+ for (var i = 0; i < size; i++) {
+ var theChild = children[i];
+ var children_of_children = theChild.children();
+ var theNode;
+
+ var dimensions = theChild.layoutDimensions({
+ nodeDimensionsIncludeLabels: this.options.nodeDimensionsIncludeLabels
+ });
+
+ if (theChild.outerWidth() != null
+ && theChild.outerHeight() != null) {
+ theNode = parent.add(new CoSENode(layout.graphManager,
+ new PointD(theChild.position('x') - dimensions.w / 2, theChild.position('y') - dimensions.h / 2),
+ new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ }
+ else {
+ theNode = parent.add(new CoSENode(this.graphManager));
+ }
+ // Attach id to the layout node
+ theNode.id = theChild.data("id");
+ // Attach the paddings of cy node to layout node
+ theNode.paddingLeft = parseInt( theChild.css('padding') );
+ theNode.paddingTop = parseInt( theChild.css('padding') );
+ theNode.paddingRight = parseInt( theChild.css('padding') );
+ theNode.paddingBottom = parseInt( theChild.css('padding') );
+
+ //Attach the label properties to compound if labels will be included in node dimensions
+ if(this.options.nodeDimensionsIncludeLabels){
+ if(theChild.isParent()){
+ var labelWidth = theChild.boundingBox({ includeLabels: true, includeNodes: false }).w;
+ var labelHeight = theChild.boundingBox({ includeLabels: true, includeNodes: false }).h;
+ var labelPos = theChild.css("text-halign");
+ theNode.labelWidth = labelWidth;
+ theNode.labelHeight = labelHeight;
+ theNode.labelPos = labelPos;
+ }
+ }
+
+ // Map the layout node
+ this.idToLNode[theChild.data("id")] = theNode;
+
+ if (isNaN(theNode.rect.x)) {
+ theNode.rect.x = 0;
+ }
+
+ if (isNaN(theNode.rect.y)) {
+ theNode.rect.y = 0;
+ }
+
+ if (children_of_children != null && children_of_children.length > 0) {
+ var theNewGraph;
+ theNewGraph = layout.getGraphManager().add(layout.newGraph(), theNode);
+ this.processChildrenList(theNewGraph, children_of_children, layout);
+ }
+ }
+};
+
+/**
+ * @brief : called on continuous layouts to stop them before they finish
+ */
+_CoSELayout.prototype.stop = function () {
+ this.stopped = true;
+
+ return this; // chaining
+};
+
+var register = function( cytoscape ){
+// var Layout = getLayout( cytoscape );
+
+ cytoscape('layout', 'cose-bilkent', _CoSELayout);
+};
+
+// auto reg for globals
+if( typeof cytoscape !== 'undefined' ){
+ register( cytoscape );
+}
+
+module.exports = register;
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/test/example.js b/tools/ui/node_modules/cytoscape-cose-bilkent/test/example.js
new file mode 100644
index 0000000000000000000000000000000000000000..2b907f27817cf0646989e6bddae6eecf9ad53d4d
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/test/example.js
@@ -0,0 +1,7 @@
+const chai = require('chai');
+
+describe('This', function(){
+ it('does that', function(){
+ expect( true ).to.be.true;
+ });
+});
diff --git a/tools/ui/node_modules/cytoscape-cose-bilkent/webpack.config.js b/tools/ui/node_modules/cytoscape-cose-bilkent/webpack.config.js
new file mode 100644
index 0000000000000000000000000000000000000000..35232701252eac1c03ff851f6876c8200f38e29b
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-cose-bilkent/webpack.config.js
@@ -0,0 +1,43 @@
+const path = require('path');
+const pkg = require('./package.json');
+const camelcase = require('camelcase');
+const process = require('process');
+const webpack = require('webpack');
+const env = process.env;
+const NODE_ENV = env.NODE_ENV;
+const MIN = env.MIN;
+const PROD = NODE_ENV === 'production';
+
+let config = {
+ devtool: PROD ? false : 'inline-source-map',
+ entry: './src/index.js',
+ output: {
+ path: path.join( __dirname ),
+ filename: pkg.name + '.js',
+ library: camelcase( pkg.name ),
+ libraryTarget: 'umd'
+ },
+ module: {
+ rules: [
+ { test: /\.js$/, exclude: /node_modules/, use: 'babel-loader' }
+ ]
+ },
+ externals: PROD ? {
+ 'cose-base': {
+ commonjs2: 'cose-base',
+ commonjs: 'cose-base',
+ amd: 'cose-base',
+ root: 'coseBase'
+ }
+ } : {},
+ plugins: MIN ? [
+ new webpack.optimize.UglifyJsPlugin({
+ compress: {
+ warnings: false,
+ drop_console: false,
+ }
+ })
+ ] : []
+};
+
+module.exports = config;
diff --git a/tools/ui/node_modules/cytoscape-fcose/.babelrc b/tools/ui/node_modules/cytoscape-fcose/.babelrc
new file mode 100644
index 0000000000000000000000000000000000000000..002b4aa0d58ec481a2688d3c0b66e9069e5d6adb
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/.babelrc
@@ -0,0 +1,3 @@
+{
+ "presets": ["env"]
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/.eslintignore b/tools/ui/node_modules/cytoscape-fcose/.eslintignore
new file mode 100644
index 0000000000000000000000000000000000000000..07e4fe727841738ff07aa0ee136c872c67729bfe
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/.eslintignore
@@ -0,0 +1 @@
+node_modules/**/*
diff --git a/tools/ui/node_modules/cytoscape-fcose/.eslintrc b/tools/ui/node_modules/cytoscape-fcose/.eslintrc
new file mode 100644
index 0000000000000000000000000000000000000000..31d35e21789367e839aff46bfbfb76d5862f2118
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/.eslintrc
@@ -0,0 +1,13 @@
+{
+ "env": {
+ "browser": true,
+ "commonjs": true,
+ "node": true,
+ "amd": true,
+ "es6": true
+ },
+ "extends": "eslint:recommended",
+ "rules": {
+ "semi": "error"
+ }
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/CITATION.cff b/tools/ui/node_modules/cytoscape-fcose/CITATION.cff
new file mode 100644
index 0000000000000000000000000000000000000000..3c44350d83bab7e8d48b6bfdbe357ca0449a1d21
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/CITATION.cff
@@ -0,0 +1,31 @@
+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+- family-names: "Balci"
+ given-names: "Hasan"
+ orcid: "https://orcid.org/0000-0001-8319-7758"
+- family-names: "Dogrusoz"
+ given-names: "Ugur"
+ orcid: "https://orcid.org/0000-0002-7153-0784"
+title: "cytoscape.js-fcose"
+version: 2.1.0
+date-released: 2021-06-25
+url: "https://github.com/iVis-at-Bilkent/cytoscape.js-fcose"
+preferred-citation:
+ type: article
+ authors:
+ - family-names: "Balci"
+ given-names: "Hasan"
+ orcid: "https://orcid.org/0000-0001-8319-7758"
+ - family-names: "Dogrusoz"
+ given-names: "Ugur"
+ orcid: "https://orcid.org/0000-0002-7153-0784"
+ doi: "10.1109/TVCG.2021.3095303"
+ journal: "IEEE Transactions on Visualization and Computer Graphics"
+ title: "fCoSE: A Fast Compound Graph Layout Algorithm with Constraint Support"
+ issue: 12
+ volume: 28
+ start: 4582 # First page number
+ end: 4593 # Last page number
+ month: 12
+ year: 2022
diff --git a/tools/ui/node_modules/cytoscape-fcose/LICENSE b/tools/ui/node_modules/cytoscape-fcose/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..3552d1cad781ed4a7f57287a13aa133fbef3b43d
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2018 - present, iVis-at-Bilkent.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the “Software”), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/tools/ui/node_modules/cytoscape-fcose/README.md b/tools/ui/node_modules/cytoscape-fcose/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..7573ddebe1dc37c58def3ccbee0d94e6b4d38fd3
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/README.md
@@ -0,0 +1,236 @@
+cytoscape-fcose
+================================================================================
+
+
+## Description
+
+
+fCoSE (pron. "f-cosay", **f**ast **Co**mpound **S**pring **E**mbedder), is a faster version of our earlier compound spring embedder algorithm named [CoSE](https://github.com/cytoscape/cytoscape.js-cose-bilkent), implemented as a Cytoscape.js extension by [i-Vis Lab](http://cs.bilkent.edu.tr/~ivis/) in Bilkent University.
+
+Here are some demos: **simple**, **compound**, and **constraints**, respectively:
+
+
+
+
+
+
+fCoSE layout algorithm combines the speed of spectral layout with the aesthetics of force-directed layout. fCoSE runs up to 2 times as fast as CoSE while achieving similar aesthetics.
+
+
+
+Furthermore, fCoSE also supports a fairly rich set of constraint types (i.e., fixed position, vertical/horizontal alignment and relative placement).
+
+
+
+You can see constraint support in action in the following videos: [fixed node](https://youtu.be/vRZVlwntzGY), [alignment](https://youtu.be/O5rddJ7DteU), [relative placement](https://youtu.be/Xcm87bT50RA), [hybrid](https://youtu.be/KRAQHmnTvUA), [real life graphs](https://youtu.be/vTPy9G2ALcI). Constraints can also be added [incrementally](https://youtu.be/DTm2WmzwP4k) on a given layout.
+
+Please cite the following when you use this layout:
+
+H. Balci and U. Dogrusoz, "[fCoSE: A Fast Compound Graph Layout Algorithm with Constraint Support](https://doi.org/10.1109/TVCG.2021.3095303)," in IEEE Transactions on Visualization and Computer Graphics, 28(12), pp. 4582-4593, 2022.
+
+U. Dogrusoz, E. Giral, A. Cetintas, A. Civril and E. Demir, "[A Layout Algorithm For Undirected Compound Graphs](http://www.sciencedirect.com/science/article/pii/S0020025508004799)", Information Sciences, 179, pp. 980-994, 2009.
+
+## Dependencies
+
+ * Cytoscape.js ^3.2.0
+ * cose-base ^2.0.0
+ * cytoscape-layout-utilities.js (optional for packing disconnected components) ^1.0.0
+
+## Documentation
+
+fCoSE supports user-defined placement constraints as well as its full support for compound graphs. These constraints may be defined for simple nodes. Supported constraint types are:
+
+* **Fixed node constraint:** The user may provide *exact* desired positions for a set of nodes called *fixed nodes*. For example, in order to position node *n1* to *(x: 100, y: 200)* and node *n2* to *(x: 200, y: -300)* as a result of the layout, ```fixedNodeConstraint``` option should be set as follows:
+
+ ```js
+ fixedNodeConstraint: [{nodeId: 'n1', position: {x: 100, y: 200}},
+ {nodeId: 'n2', position: {x: 200, y: -300}}],
+ ```
+
+* **Alignment constraint:** This constraint aims to align two or more nodes (with respect to their centers) vertically or horizontally. For example, for the vertical alignment of nodes {*n1, n2, n3*} and {*n4, n5*}, and horizontal alignment of nodes {*n2, n4*} as a result of the layout, ```alignmentConstraint``` option should be set as follows:
+ ```js
+ alignmentConstraint: {vertical: [['n1', 'n2', 'n3'], ['n4', 'n5']], horizontal: [['n2', 'n4']]},
+ ```
+ ***Note:** Alignment constraints in a direction must be given in most compact form. Example: ```['n1', 'n2', 'n3']``` instead of ```['n1', 'n2'], ['n1', 'n3']```.*
+
+* **Relative placement constraint:** The user may constrain the position of a node relative to another node in either vertical or horizontal direction. For example, in order to position node *n1* to be above of node *n2* by at least 100 pixels and position node *n3* to be on the left of node *n4* by at least 75 pixels as a result of the layout, ```relativePlacementConstraint``` option should be set as follows:
+
+ ```js
+ relativePlacementConstraint: [{top: 'n1', bottom: 'n2', gap: 100},
+ {left: 'n3', right: 'n4', gap: 75}],
+ ```
+ The `gap` property is optional. If it is omitted, average `idealEdgeLength` is used as the gap value.
+
+## Usage instructions
+
+Download the library:
+ * via npm: `npm install cytoscape-fcose`,
+ * via bower: `bower install cytoscape-fcose`, or
+ * via direct download in the repository (probably from a tag).
+
+Import the library as appropriate for your project:
+
+ES import:
+
+```js
+import cytoscape from 'cytoscape';
+import fcose from 'cytoscape-fcose';
+
+cytoscape.use( fcose );
+```
+
+CommonJS require:
+
+```js
+let cytoscape = require('cytoscape');
+let fcose = require('cytoscape-fcose');
+
+cytoscape.use( fcose ); // register extension
+```
+
+AMD:
+
+```js
+require(['cytoscape', 'cytoscape-fcose'], function( cytoscape, fcose ){
+ fcose( cytoscape ); // register extension
+});
+```
+
+Plain HTML/JS has the extension registered for you automatically, because no `require()` is needed. Just add the following files:
+
+```
+
+
+
+```
+
+
+## API
+
+When calling the layout, e.g. `cy.layout({ name: 'fcose', ... })`, the following options are supported:
+
+```js
+var defaultOptions = {
+
+ // 'draft', 'default' or 'proof'
+ // - "draft" only applies spectral layout
+ // - "default" improves the quality with incremental layout (fast cooling rate)
+ // - "proof" improves the quality with incremental layout (slow cooling rate)
+ quality: "default",
+ // Use random node positions at beginning of layout
+ // if this is set to false, then quality option must be "proof"
+ randomize: true,
+ // Whether or not to animate the layout
+ animate: true,
+ // Duration of animation in ms, if enabled
+ animationDuration: 1000,
+ // Easing of animation, if enabled
+ animationEasing: undefined,
+ // Fit the viewport to the repositioned nodes
+ fit: true,
+ // Padding around layout
+ padding: 30,
+ // Whether to include labels in node dimensions. Valid in "proof" quality
+ nodeDimensionsIncludeLabels: false,
+ // Whether or not simple nodes (non-compound nodes) are of uniform dimensions
+ uniformNodeDimensions: false,
+ // Whether to pack disconnected components - cytoscape-layout-utilities extension should be registered and initialized
+ packComponents: true,
+ // Layout step - all, transformed, enforced, cose - for debug purpose only
+ step: "all",
+
+ /* spectral layout options */
+
+ // False for random, true for greedy sampling
+ samplingType: true,
+ // Sample size to construct distance matrix
+ sampleSize: 25,
+ // Separation amount between nodes
+ nodeSeparation: 75,
+ // Power iteration tolerance
+ piTol: 0.0000001,
+
+ /* incremental layout options */
+
+ // Node repulsion (non overlapping) multiplier
+ nodeRepulsion: node => 4500,
+ // Ideal edge (non nested) length
+ idealEdgeLength: edge => 50,
+ // Divisor to compute edge forces
+ edgeElasticity: edge => 0.45,
+ // Nesting factor (multiplier) to compute ideal edge length for nested edges
+ nestingFactor: 0.1,
+ // Maximum number of iterations to perform - this is a suggested value and might be adjusted by the algorithm as required
+ numIter: 2500,
+ // For enabling tiling
+ tile: true,
+ // The comparison function to be used while sorting nodes during tiling operation.
+ // Takes the ids of 2 nodes that will be compared as a parameter and the default tiling operation is performed when this option is not set.
+ // It works similar to ``compareFunction`` parameter of ``Array.prototype.sort()``
+ // If node1 is less then node2 by some ordering criterion ``tilingCompareBy(nodeId1, nodeId2)`` must return a negative value
+ // If node1 is greater then node2 by some ordering criterion ``tilingCompareBy(nodeId1, nodeId2)`` must return a positive value
+ // If node1 is equal to node2 by some ordering criterion ``tilingCompareBy(nodeId1, nodeId2)`` must return 0
+ tilingCompareBy: undefined,
+ // Represents the amount of the vertical space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingVertical: 10,
+ // Represents the amount of the horizontal space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingHorizontal: 10,
+ // Gravity force (constant)
+ gravity: 0.25,
+ // Gravity range (constant) for compounds
+ gravityRangeCompound: 1.5,
+ // Gravity force (constant) for compounds
+ gravityCompound: 1.0,
+ // Gravity range (constant)
+ gravityRange: 3.8,
+ // Initial cooling factor for incremental layout
+ initialEnergyOnIncremental: 0.3,
+
+ /* constraint options */
+
+ // Fix desired nodes to predefined positions
+ // [{nodeId: 'n1', position: {x: 100, y: 200}}, {...}]
+ fixedNodeConstraint: undefined,
+ // Align desired nodes in vertical/horizontal direction
+ // {vertical: [['n1', 'n2'], [...]], horizontal: [['n2', 'n4'], [...]]}
+ alignmentConstraint: undefined,
+ // Place two nodes relatively in vertical/horizontal direction
+ // [{top: 'n1', bottom: 'n2', gap: 100}, {left: 'n3', right: 'n4', gap: 75}, {...}]
+ relativePlacementConstraint: undefined,
+
+ /* layout event callbacks */
+ ready: () => {}, // on layoutready
+ stop: () => {} // on layoutstop
+};
+```
+To be able to use `packComponents` option, `cytoscape-layout-utilities` extension should also be registered in the application.
+Packing related [options](https://github.com/iVis-at-Bilkent/cytoscape.js-layout-utilities#default-options) should be set via `cytoscape-layout-utilities` extension.
+If they are not set, fCoSE uses default options.
+
+
+## Build targets
+
+* `npm run test` : Run Mocha tests in `./test`
+* `npm run build` : Build `./src/**` into `cytoscape-fcose.js`
+* `npm run watch` : Automatically build on changes with live reloading (N.b. you must already have an HTTP server running)
+* `npm run dev` : Automatically build on changes with live reloading with webpack dev server
+* `npm run lint` : Run eslint on the source
+
+N.b. all builds use babel, so modern ES features can be used in the `src`.
+
+
+## Publishing instructions
+
+This project is set up to automatically be published to npm and bower. To publish:
+
+1. Build the extension : `npm run build:release`
+1. Commit the build : `git commit -am "Build for release"`
+1. Bump the version number and tag: `npm version major|minor|patch`
+1. Push to origin: `git push && git push --tags`
+1. Publish to npm: `npm publish .`
+1. If publishing to bower for the first time, you'll need to run `bower register cytoscape-fcose https://github.com/iVis-at-Bilkent/cytoscape.js-fcose.git`
+1. [Make a new release](https://github.com/iVis-at-Bilkent/cytoscape.js-fcose/releases/new) for Zenodo.
+
+## Team
+
+ * [Hasan Balcı](https://github.com/hasanbalci) and [Ugur Dogrusoz](https://github.com/ugurdogrusoz) of [i-Vis at Bilkent University](http://www.cs.bilkent.edu.tr/~ivis)
diff --git a/tools/ui/node_modules/cytoscape-fcose/bower.json b/tools/ui/node_modules/cytoscape-fcose/bower.json
new file mode 100644
index 0000000000000000000000000000000000000000..a30ea7969044f8d73fe80885750ed0787103f761
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/bower.json
@@ -0,0 +1,25 @@
+{
+ "name": "cytoscape-fcose",
+ "description": "The fCoSE layout for Cytoscape.js by Bilkent with fast compound node placement",
+ "main": "cytoscape-fcose.js",
+ "dependencies": {
+ "cytoscape": "^3.2.0",
+ "cose-base": "^1.0.0"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/iVis-at-Bilkent/cytoscape.js-fcose.git"
+ },
+ "ignore": [
+ "**/.*",
+ "node_modules",
+ "bower_components",
+ "test",
+ "tests"
+ ],
+ "keywords": [
+ "cytoscape",
+ "cytoscape-extension"
+ ],
+ "license": "MIT"
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/cytoscape-fcose.js b/tools/ui/node_modules/cytoscape-fcose/cytoscape-fcose.js
new file mode 100644
index 0000000000000000000000000000000000000000..9ad4f6ec33b8b114da2c5455906e40426dc690f4
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/cytoscape-fcose.js
@@ -0,0 +1,1549 @@
+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory(require("cose-base"));
+ else if(typeof define === 'function' && define.amd)
+ define(["cose-base"], factory);
+ else if(typeof exports === 'object')
+ exports["cytoscapeFcose"] = factory(require("cose-base"));
+ else
+ root["cytoscapeFcose"] = factory(root["coseBase"]);
+})(this, function(__WEBPACK_EXTERNAL_MODULE__140__) {
+return /******/ (() => { // webpackBootstrap
+/******/ "use strict";
+/******/ var __webpack_modules__ = ({
+
+/***/ 658:
+/***/ ((module) => {
+
+
+
+// Simple, internal Object.assign() polyfill for options objects etc.
+
+module.exports = Object.assign != null ? Object.assign.bind(Object) : function (tgt) {
+ for (var _len = arguments.length, srcs = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+ srcs[_key - 1] = arguments[_key];
+ }
+
+ srcs.forEach(function (src) {
+ Object.keys(src).forEach(function (k) {
+ return tgt[k] = src[k];
+ });
+ });
+
+ return tgt;
+};
+
+/***/ }),
+
+/***/ 548:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
+
+/*
+ * Auxiliary functions
+ */
+
+var LinkedList = __webpack_require__(140).layoutBase.LinkedList;
+
+var auxiliary = {};
+
+// get the top most nodes
+auxiliary.getTopMostNodes = function (nodes) {
+ var nodesMap = {};
+ for (var i = 0; i < nodes.length; i++) {
+ nodesMap[nodes[i].id()] = true;
+ }
+ var roots = nodes.filter(function (ele, i) {
+ if (typeof ele === "number") {
+ ele = i;
+ }
+ var parent = ele.parent()[0];
+ while (parent != null) {
+ if (nodesMap[parent.id()]) {
+ return false;
+ }
+ parent = parent.parent()[0];
+ }
+ return true;
+ });
+
+ return roots;
+};
+
+// find disconnected components and create dummy nodes that connect them
+auxiliary.connectComponents = function (cy, eles, topMostNodes, dummyNodes) {
+ var queue = new LinkedList();
+ var visited = new Set();
+ var visitedTopMostNodes = [];
+ var currentNeighbor = void 0;
+ var minDegreeNode = void 0;
+ var minDegree = void 0;
+
+ var isConnected = false;
+ var count = 1;
+ var nodesConnectedToDummy = [];
+ var components = [];
+
+ var _loop = function _loop() {
+ var cmpt = cy.collection();
+ components.push(cmpt);
+
+ var currentNode = topMostNodes[0];
+ var childrenOfCurrentNode = cy.collection();
+ childrenOfCurrentNode.merge(currentNode).merge(currentNode.descendants().intersection(eles));
+ visitedTopMostNodes.push(currentNode);
+
+ childrenOfCurrentNode.forEach(function (node) {
+ queue.push(node);
+ visited.add(node);
+ cmpt.merge(node);
+ });
+
+ var _loop2 = function _loop2() {
+ currentNode = queue.shift();
+
+ // Traverse all neighbors of this node
+ var neighborNodes = cy.collection();
+ currentNode.neighborhood().nodes().forEach(function (node) {
+ if (eles.intersection(currentNode.edgesWith(node)).length > 0) {
+ neighborNodes.merge(node);
+ }
+ });
+
+ for (var i = 0; i < neighborNodes.length; i++) {
+ var neighborNode = neighborNodes[i];
+ currentNeighbor = topMostNodes.intersection(neighborNode.union(neighborNode.ancestors()));
+ if (currentNeighbor != null && !visited.has(currentNeighbor[0])) {
+ var childrenOfNeighbor = currentNeighbor.union(currentNeighbor.descendants());
+
+ childrenOfNeighbor.forEach(function (node) {
+ queue.push(node);
+ visited.add(node);
+ cmpt.merge(node);
+ if (topMostNodes.has(node)) {
+ visitedTopMostNodes.push(node);
+ }
+ });
+ }
+ }
+ };
+
+ while (queue.length != 0) {
+ _loop2();
+ }
+
+ cmpt.forEach(function (node) {
+ eles.intersection(node.connectedEdges()).forEach(function (e) {
+ // connectedEdges() usually cached
+ if (cmpt.has(e.source()) && cmpt.has(e.target())) {
+ // has() is cheap
+ cmpt.merge(e);
+ }
+ });
+ });
+
+ if (visitedTopMostNodes.length == topMostNodes.length) {
+ isConnected = true;
+ }
+
+ if (!isConnected || isConnected && count > 1) {
+ minDegreeNode = visitedTopMostNodes[0];
+ minDegree = minDegreeNode.connectedEdges().length;
+ visitedTopMostNodes.forEach(function (node) {
+ if (node.connectedEdges().length < minDegree) {
+ minDegree = node.connectedEdges().length;
+ minDegreeNode = node;
+ }
+ });
+ nodesConnectedToDummy.push(minDegreeNode.id());
+ // TO DO: Check efficiency of this part
+ var temp = cy.collection();
+ temp.merge(visitedTopMostNodes[0]);
+ visitedTopMostNodes.forEach(function (node) {
+ temp.merge(node);
+ });
+ visitedTopMostNodes = [];
+ topMostNodes = topMostNodes.difference(temp);
+ count++;
+ }
+ };
+
+ do {
+ _loop();
+ } while (!isConnected);
+
+ if (dummyNodes) {
+ if (nodesConnectedToDummy.length > 0) {
+ dummyNodes.set('dummy' + (dummyNodes.size + 1), nodesConnectedToDummy);
+ }
+ }
+ return components;
+};
+
+// relocates componentResult to originalCenter if there is no fixedNodeConstraint
+auxiliary.relocateComponent = function (originalCenter, componentResult, options) {
+ if (!options.fixedNodeConstraint) {
+ var minXCoord = Number.POSITIVE_INFINITY;
+ var maxXCoord = Number.NEGATIVE_INFINITY;
+ var minYCoord = Number.POSITIVE_INFINITY;
+ var maxYCoord = Number.NEGATIVE_INFINITY;
+ if (options.quality == "draft") {
+ // calculate current bounding box
+ var _iteratorNormalCompletion = true;
+ var _didIteratorError = false;
+ var _iteratorError = undefined;
+
+ try {
+ for (var _iterator = componentResult.nodeIndexes[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+ var _ref = _step.value;
+
+ var _ref2 = _slicedToArray(_ref, 2);
+
+ var key = _ref2[0];
+ var value = _ref2[1];
+
+ var cyNode = options.cy.getElementById(key);
+ if (cyNode) {
+ var nodeBB = cyNode.boundingBox();
+ var leftX = componentResult.xCoords[value] - nodeBB.w / 2;
+ var rightX = componentResult.xCoords[value] + nodeBB.w / 2;
+ var topY = componentResult.yCoords[value] - nodeBB.h / 2;
+ var bottomY = componentResult.yCoords[value] + nodeBB.h / 2;
+
+ if (leftX < minXCoord) minXCoord = leftX;
+ if (rightX > maxXCoord) maxXCoord = rightX;
+ if (topY < minYCoord) minYCoord = topY;
+ if (bottomY > maxYCoord) maxYCoord = bottomY;
+ }
+ }
+ // find difference between current and original center
+ } catch (err) {
+ _didIteratorError = true;
+ _iteratorError = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion && _iterator.return) {
+ _iterator.return();
+ }
+ } finally {
+ if (_didIteratorError) {
+ throw _iteratorError;
+ }
+ }
+ }
+
+ var diffOnX = originalCenter.x - (maxXCoord + minXCoord) / 2;
+ var diffOnY = originalCenter.y - (maxYCoord + minYCoord) / 2;
+ // move component to original center
+ componentResult.xCoords = componentResult.xCoords.map(function (x) {
+ return x + diffOnX;
+ });
+ componentResult.yCoords = componentResult.yCoords.map(function (y) {
+ return y + diffOnY;
+ });
+ } else {
+ // calculate current bounding box
+ Object.keys(componentResult).forEach(function (item) {
+ var node = componentResult[item];
+ var leftX = node.getRect().x;
+ var rightX = node.getRect().x + node.getRect().width;
+ var topY = node.getRect().y;
+ var bottomY = node.getRect().y + node.getRect().height;
+
+ if (leftX < minXCoord) minXCoord = leftX;
+ if (rightX > maxXCoord) maxXCoord = rightX;
+ if (topY < minYCoord) minYCoord = topY;
+ if (bottomY > maxYCoord) maxYCoord = bottomY;
+ });
+ // find difference between current and original center
+ var _diffOnX = originalCenter.x - (maxXCoord + minXCoord) / 2;
+ var _diffOnY = originalCenter.y - (maxYCoord + minYCoord) / 2;
+ // move component to original center
+ Object.keys(componentResult).forEach(function (item) {
+ var node = componentResult[item];
+ node.setCenter(node.getCenterX() + _diffOnX, node.getCenterY() + _diffOnY);
+ });
+ }
+ }
+};
+
+auxiliary.calcBoundingBox = function (parentNode, xCoords, yCoords, nodeIndexes) {
+ // calculate bounds
+ var left = Number.MAX_SAFE_INTEGER;
+ var right = Number.MIN_SAFE_INTEGER;
+ var top = Number.MAX_SAFE_INTEGER;
+ var bottom = Number.MIN_SAFE_INTEGER;
+ var nodeLeft = void 0;
+ var nodeRight = void 0;
+ var nodeTop = void 0;
+ var nodeBottom = void 0;
+
+ var nodes = parentNode.descendants().not(":parent");
+ var s = nodes.length;
+ for (var i = 0; i < s; i++) {
+ var node = nodes[i];
+
+ nodeLeft = xCoords[nodeIndexes.get(node.id())] - node.width() / 2;
+ nodeRight = xCoords[nodeIndexes.get(node.id())] + node.width() / 2;
+ nodeTop = yCoords[nodeIndexes.get(node.id())] - node.height() / 2;
+ nodeBottom = yCoords[nodeIndexes.get(node.id())] + node.height() / 2;
+
+ if (left > nodeLeft) {
+ left = nodeLeft;
+ }
+
+ if (right < nodeRight) {
+ right = nodeRight;
+ }
+
+ if (top > nodeTop) {
+ top = nodeTop;
+ }
+
+ if (bottom < nodeBottom) {
+ bottom = nodeBottom;
+ }
+ }
+
+ var boundingBox = {};
+ boundingBox.topLeftX = left;
+ boundingBox.topLeftY = top;
+ boundingBox.width = right - left;
+ boundingBox.height = bottom - top;
+ return boundingBox;
+};
+
+// This function finds and returns parent nodes whose all children are hidden
+auxiliary.calcParentsWithoutChildren = function (cy, eles) {
+ var parentsWithoutChildren = cy.collection();
+ eles.nodes(':parent').forEach(function (parent) {
+ var check = false;
+ parent.children().forEach(function (child) {
+ if (child.css('display') != 'none') {
+ check = true;
+ }
+ });
+ if (!check) {
+ parentsWithoutChildren.merge(parent);
+ }
+ });
+
+ return parentsWithoutChildren;
+};
+
+module.exports = auxiliary;
+
+/***/ }),
+
+/***/ 816:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+/**
+ The implementation of the postprocessing part that applies CoSE layout over the spectral layout
+*/
+
+var aux = __webpack_require__(548);
+var CoSELayout = __webpack_require__(140).CoSELayout;
+var CoSENode = __webpack_require__(140).CoSENode;
+var PointD = __webpack_require__(140).layoutBase.PointD;
+var DimensionD = __webpack_require__(140).layoutBase.DimensionD;
+var LayoutConstants = __webpack_require__(140).layoutBase.LayoutConstants;
+var FDLayoutConstants = __webpack_require__(140).layoutBase.FDLayoutConstants;
+var CoSEConstants = __webpack_require__(140).CoSEConstants;
+
+// main function that cose layout is processed
+var coseLayout = function coseLayout(options, spectralResult) {
+
+ var cy = options.cy;
+ var eles = options.eles;
+ var nodes = eles.nodes();
+ var edges = eles.edges();
+
+ var nodeIndexes = void 0;
+ var xCoords = void 0;
+ var yCoords = void 0;
+ var idToLNode = {};
+
+ if (options.randomize) {
+ nodeIndexes = spectralResult["nodeIndexes"];
+ xCoords = spectralResult["xCoords"];
+ yCoords = spectralResult["yCoords"];
+ }
+
+ var isFn = function isFn(fn) {
+ return typeof fn === 'function';
+ };
+
+ var optFn = function optFn(opt, ele) {
+ if (isFn(opt)) {
+ return opt(ele);
+ } else {
+ return opt;
+ }
+ };
+
+ /**** Postprocessing functions ****/
+
+ var parentsWithoutChildren = aux.calcParentsWithoutChildren(cy, eles);
+
+ // transfer cytoscape nodes to cose nodes
+ var processChildrenList = function processChildrenList(parent, children, layout, options) {
+ var size = children.length;
+ for (var i = 0; i < size; i++) {
+ var theChild = children[i];
+ var children_of_children = null;
+ if (theChild.intersection(parentsWithoutChildren).length == 0) {
+ children_of_children = theChild.children();
+ }
+ var theNode = void 0;
+
+ var dimensions = theChild.layoutDimensions({
+ nodeDimensionsIncludeLabels: options.nodeDimensionsIncludeLabels
+ });
+
+ if (theChild.outerWidth() != null && theChild.outerHeight() != null) {
+ if (options.randomize) {
+ if (!theChild.isParent()) {
+ theNode = parent.add(new CoSENode(layout.graphManager, new PointD(xCoords[nodeIndexes.get(theChild.id())] - dimensions.w / 2, yCoords[nodeIndexes.get(theChild.id())] - dimensions.h / 2), new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ } else {
+ var parentInfo = aux.calcBoundingBox(theChild, xCoords, yCoords, nodeIndexes);
+ if (theChild.intersection(parentsWithoutChildren).length == 0) {
+ theNode = parent.add(new CoSENode(layout.graphManager, new PointD(parentInfo.topLeftX, parentInfo.topLeftY), new DimensionD(parentInfo.width, parentInfo.height)));
+ } else {
+ // for the parentsWithoutChildren
+ theNode = parent.add(new CoSENode(layout.graphManager, new PointD(parentInfo.topLeftX, parentInfo.topLeftY), new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ }
+ }
+ } else {
+ theNode = parent.add(new CoSENode(layout.graphManager, new PointD(theChild.position('x') - dimensions.w / 2, theChild.position('y') - dimensions.h / 2), new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ }
+ } else {
+ theNode = parent.add(new CoSENode(this.graphManager));
+ }
+ // Attach id to the layout node and repulsion value
+ theNode.id = theChild.data("id");
+ theNode.nodeRepulsion = optFn(options.nodeRepulsion, theChild);
+ // Attach the paddings of cy node to layout node
+ theNode.paddingLeft = parseInt(theChild.css('padding'));
+ theNode.paddingTop = parseInt(theChild.css('padding'));
+ theNode.paddingRight = parseInt(theChild.css('padding'));
+ theNode.paddingBottom = parseInt(theChild.css('padding'));
+
+ //Attach the label properties to both compound and simple nodes if labels will be included in node dimensions
+ //These properties will be used while updating bounds of compounds during iterations or tiling
+ //and will be used for simple nodes while transferring final positions to cytoscape
+ if (options.nodeDimensionsIncludeLabels) {
+ theNode.labelWidth = theChild.boundingBox({ includeLabels: true, includeNodes: false, includeOverlays: false }).w;
+ theNode.labelHeight = theChild.boundingBox({ includeLabels: true, includeNodes: false, includeOverlays: false }).h;
+ theNode.labelPosVertical = theChild.css("text-valign");
+ theNode.labelPosHorizontal = theChild.css("text-halign");
+ }
+
+ // Map the layout node
+ idToLNode[theChild.data("id")] = theNode;
+
+ if (isNaN(theNode.rect.x)) {
+ theNode.rect.x = 0;
+ }
+
+ if (isNaN(theNode.rect.y)) {
+ theNode.rect.y = 0;
+ }
+
+ if (children_of_children != null && children_of_children.length > 0) {
+ var theNewGraph = void 0;
+ theNewGraph = layout.getGraphManager().add(layout.newGraph(), theNode);
+ processChildrenList(theNewGraph, children_of_children, layout, options);
+ }
+ }
+ };
+
+ // transfer cytoscape edges to cose edges
+ var processEdges = function processEdges(layout, gm, edges) {
+ var idealLengthTotal = 0;
+ var edgeCount = 0;
+ for (var i = 0; i < edges.length; i++) {
+ var edge = edges[i];
+ var sourceNode = idToLNode[edge.data("source")];
+ var targetNode = idToLNode[edge.data("target")];
+ if (sourceNode && targetNode && sourceNode !== targetNode && sourceNode.getEdgesBetween(targetNode).length == 0) {
+ var e1 = gm.add(layout.newEdge(), sourceNode, targetNode);
+ e1.id = edge.id();
+ e1.idealLength = optFn(options.idealEdgeLength, edge);
+ e1.edgeElasticity = optFn(options.edgeElasticity, edge);
+ idealLengthTotal += e1.idealLength;
+ edgeCount++;
+ }
+ }
+ // we need to update the ideal edge length constant with the avg. ideal length value after processing edges
+ // in case there is no edge, use other options
+ if (options.idealEdgeLength != null) {
+ if (edgeCount > 0) CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = idealLengthTotal / edgeCount;else if (!isFn(options.idealEdgeLength)) // in case there is no edge, but option gives a value to use
+ CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = options.idealEdgeLength;else // in case there is no edge and we cannot get a value from option (because it's a function)
+ CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = 50;
+ // we need to update these constant values based on the ideal edge length constant
+ CoSEConstants.MIN_REPULSION_DIST = FDLayoutConstants.MIN_REPULSION_DIST = FDLayoutConstants.DEFAULT_EDGE_LENGTH / 10.0;
+ CoSEConstants.DEFAULT_RADIAL_SEPARATION = FDLayoutConstants.DEFAULT_EDGE_LENGTH;
+ }
+ };
+
+ // transfer cytoscape constraints to cose layout
+ var processConstraints = function processConstraints(layout, options) {
+ // get nodes to be fixed
+ if (options.fixedNodeConstraint) {
+ layout.constraints["fixedNodeConstraint"] = options.fixedNodeConstraint;
+ }
+ // get nodes to be aligned
+ if (options.alignmentConstraint) {
+ layout.constraints["alignmentConstraint"] = options.alignmentConstraint;
+ }
+ // get nodes to be relatively placed
+ if (options.relativePlacementConstraint) {
+ layout.constraints["relativePlacementConstraint"] = options.relativePlacementConstraint;
+ }
+ };
+
+ /**** Apply postprocessing ****/
+ if (options.nestingFactor != null) CoSEConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = options.nestingFactor;
+ if (options.gravity != null) CoSEConstants.DEFAULT_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH = options.gravity;
+ if (options.numIter != null) CoSEConstants.MAX_ITERATIONS = FDLayoutConstants.MAX_ITERATIONS = options.numIter;
+ if (options.gravityRange != null) CoSEConstants.DEFAULT_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR = options.gravityRange;
+ if (options.gravityCompound != null) CoSEConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = options.gravityCompound;
+ if (options.gravityRangeCompound != null) CoSEConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = options.gravityRangeCompound;
+ if (options.initialEnergyOnIncremental != null) CoSEConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = options.initialEnergyOnIncremental;
+
+ if (options.tilingCompareBy != null) CoSEConstants.TILING_COMPARE_BY = options.tilingCompareBy;
+
+ if (options.quality == 'proof') LayoutConstants.QUALITY = 2;else LayoutConstants.QUALITY = 0;
+
+ CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS = FDLayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = options.nodeDimensionsIncludeLabels;
+ CoSEConstants.DEFAULT_INCREMENTAL = FDLayoutConstants.DEFAULT_INCREMENTAL = LayoutConstants.DEFAULT_INCREMENTAL = !options.randomize;
+ CoSEConstants.ANIMATE = FDLayoutConstants.ANIMATE = LayoutConstants.ANIMATE = options.animate;
+ CoSEConstants.TILE = options.tile;
+ CoSEConstants.TILING_PADDING_VERTICAL = typeof options.tilingPaddingVertical === 'function' ? options.tilingPaddingVertical.call() : options.tilingPaddingVertical;
+ CoSEConstants.TILING_PADDING_HORIZONTAL = typeof options.tilingPaddingHorizontal === 'function' ? options.tilingPaddingHorizontal.call() : options.tilingPaddingHorizontal;
+
+ CoSEConstants.DEFAULT_INCREMENTAL = FDLayoutConstants.DEFAULT_INCREMENTAL = LayoutConstants.DEFAULT_INCREMENTAL = true;
+ CoSEConstants.PURE_INCREMENTAL = !options.randomize;
+ LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES = options.uniformNodeDimensions;
+
+ // This part is for debug/demo purpose
+ if (options.step == "transformed") {
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = true;
+ CoSEConstants.ENFORCE_CONSTRAINTS = false;
+ CoSEConstants.APPLY_LAYOUT = false;
+ }
+ if (options.step == "enforced") {
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = false;
+ CoSEConstants.ENFORCE_CONSTRAINTS = true;
+ CoSEConstants.APPLY_LAYOUT = false;
+ }
+ if (options.step == "cose") {
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = false;
+ CoSEConstants.ENFORCE_CONSTRAINTS = false;
+ CoSEConstants.APPLY_LAYOUT = true;
+ }
+ if (options.step == "all") {
+ if (options.randomize) CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = true;else CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = false;
+ CoSEConstants.ENFORCE_CONSTRAINTS = true;
+ CoSEConstants.APPLY_LAYOUT = true;
+ }
+
+ if (options.fixedNodeConstraint || options.alignmentConstraint || options.relativePlacementConstraint) {
+ CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL = false;
+ } else {
+ CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL = true;
+ }
+
+ var coseLayout = new CoSELayout();
+ var gm = coseLayout.newGraphManager();
+
+ processChildrenList(gm.addRoot(), aux.getTopMostNodes(nodes), coseLayout, options);
+ processEdges(coseLayout, gm, edges);
+ processConstraints(coseLayout, options);
+
+ coseLayout.runLayout();
+
+ return idToLNode;
+};
+
+module.exports = { coseLayout: coseLayout };
+
+/***/ }),
+
+/***/ 212:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+/**
+ The implementation of the fcose layout algorithm
+*/
+
+var assign = __webpack_require__(658);
+var aux = __webpack_require__(548);
+
+var _require = __webpack_require__(657),
+ spectralLayout = _require.spectralLayout;
+
+var _require2 = __webpack_require__(816),
+ coseLayout = _require2.coseLayout;
+
+var defaults = Object.freeze({
+
+ // 'draft', 'default' or 'proof'
+ // - 'draft' only applies spectral layout
+ // - 'default' improves the quality with subsequent CoSE layout (fast cooling rate)
+ // - 'proof' improves the quality with subsequent CoSE layout (slow cooling rate)
+ quality: "default",
+ // Use random node positions at beginning of layout
+ // if this is set to false, then quality option must be "proof"
+ randomize: true,
+ // Whether or not to animate the layout
+ animate: true,
+ // Duration of animation in ms, if enabled
+ animationDuration: 1000,
+ // Easing of animation, if enabled
+ animationEasing: undefined,
+ // Fit the viewport to the repositioned nodes
+ fit: true,
+ // Padding around layout
+ padding: 30,
+ // Whether to include labels in node dimensions. Valid in "proof" quality
+ nodeDimensionsIncludeLabels: false,
+ // Whether or not simple nodes (non-compound nodes) are of uniform dimensions
+ uniformNodeDimensions: false,
+ // Whether to pack disconnected components - valid only if randomize: true
+ packComponents: true,
+ // Layout step - all, transformed, enforced, cose - for debug purpose only
+ step: "all",
+
+ /* spectral layout options */
+
+ // False for random, true for greedy
+ samplingType: true,
+ // Sample size to construct distance matrix
+ sampleSize: 25,
+ // Separation amount between nodes
+ nodeSeparation: 75,
+ // Power iteration tolerance
+ piTol: 0.0000001,
+
+ /* CoSE layout options */
+
+ // Node repulsion (non overlapping) multiplier
+ nodeRepulsion: function nodeRepulsion(node) {
+ return 4500;
+ },
+ // Ideal edge (non nested) length
+ idealEdgeLength: function idealEdgeLength(edge) {
+ return 50;
+ },
+ // Divisor to compute edge forces
+ edgeElasticity: function edgeElasticity(edge) {
+ return 0.45;
+ },
+ // Nesting factor (multiplier) to compute ideal edge length for nested edges
+ nestingFactor: 0.1,
+ // Gravity force (constant)
+ gravity: 0.25,
+ // Maximum number of iterations to perform
+ numIter: 2500,
+ // For enabling tiling
+ tile: true,
+ // The function that specifies the criteria for comparing nodes while sorting them during tiling operation.
+ // Takes the node id as a parameter and the default tiling operation is perfomed when this option is not set.
+ tilingCompareBy: undefined,
+ // Represents the amount of the vertical space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingVertical: 10,
+ // Represents the amount of the horizontal space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingHorizontal: 10,
+ // Gravity range (constant) for compounds
+ gravityRangeCompound: 1.5,
+ // Gravity force (constant) for compounds
+ gravityCompound: 1.0,
+ // Gravity range (constant)
+ gravityRange: 3.8,
+ // Initial cooling factor for incremental layout
+ initialEnergyOnIncremental: 0.3,
+
+ /* constraint options */
+
+ // Fix required nodes to predefined positions
+ // [{nodeId: 'n1', position: {x: 100, y: 200}, {...}]
+ fixedNodeConstraint: undefined,
+ // Align required nodes in vertical/horizontal direction
+ // {vertical: [['n1', 'n2')], ['n3', 'n4']], horizontal: ['n2', 'n4']}
+ alignmentConstraint: undefined,
+ // Place two nodes relatively in vertical/horizontal direction
+ // [{top: 'n1', bottom: 'n2', gap: 100}, {left: 'n3', right: 'n4', gap: 75}]
+ relativePlacementConstraint: undefined,
+
+ /* layout event callbacks */
+ ready: function ready() {}, // on layoutready
+ stop: function stop() {} // on layoutstop
+});
+
+var Layout = function () {
+ function Layout(options) {
+ _classCallCheck(this, Layout);
+
+ this.options = assign({}, defaults, options);
+ }
+
+ _createClass(Layout, [{
+ key: 'run',
+ value: function run() {
+ var layout = this;
+ var options = this.options;
+ var cy = options.cy;
+ var eles = options.eles;
+
+ var spectralResult = [];
+ var xCoords = void 0;
+ var yCoords = void 0;
+ var coseResult = [];
+ var components = void 0;
+ var componentCenters = [];
+
+ // basic validity check for constraint inputs
+ if (options.fixedNodeConstraint && (!Array.isArray(options.fixedNodeConstraint) || options.fixedNodeConstraint.length == 0)) {
+ options.fixedNodeConstraint = undefined;
+ }
+
+ if (options.alignmentConstraint) {
+ if (options.alignmentConstraint.vertical && (!Array.isArray(options.alignmentConstraint.vertical) || options.alignmentConstraint.vertical.length == 0)) {
+ options.alignmentConstraint.vertical = undefined;
+ }
+ if (options.alignmentConstraint.horizontal && (!Array.isArray(options.alignmentConstraint.horizontal) || options.alignmentConstraint.horizontal.length == 0)) {
+ options.alignmentConstraint.horizontal = undefined;
+ }
+ }
+
+ if (options.relativePlacementConstraint && (!Array.isArray(options.relativePlacementConstraint) || options.relativePlacementConstraint.length == 0)) {
+ options.relativePlacementConstraint = undefined;
+ }
+
+ // if any constraint exists, set some options
+ var constraintExist = options.fixedNodeConstraint || options.alignmentConstraint || options.relativePlacementConstraint;
+ if (constraintExist) {
+ // constraints work with these options
+ options.tile = false;
+ options.packComponents = false;
+ }
+
+ // decide component packing is enabled or not
+ var layUtil = void 0;
+ var packingEnabled = false;
+ if (cy.layoutUtilities && options.packComponents) {
+ layUtil = cy.layoutUtilities("get");
+ if (!layUtil) layUtil = cy.layoutUtilities();
+ packingEnabled = true;
+ }
+
+ if (eles.nodes().length > 0) {
+ // if packing is not enabled, perform layout on the whole graph
+ if (!packingEnabled) {
+ // store component center
+ var boundingBox = options.eles.boundingBox();
+ componentCenters.push({ x: boundingBox.x1 + boundingBox.w / 2, y: boundingBox.y1 + boundingBox.h / 2 });
+ // apply spectral layout
+ if (options.randomize) {
+ var result = spectralLayout(options);
+ spectralResult.push(result);
+ }
+ // apply cose layout as postprocessing
+ if (options.quality == "default" || options.quality == "proof") {
+ coseResult.push(coseLayout(options, spectralResult[0]));
+ aux.relocateComponent(componentCenters[0], coseResult[0], options); // relocate center to original position
+ } else {
+ aux.relocateComponent(componentCenters[0], spectralResult[0], options); // relocate center to original position
+ }
+ } else {
+ // packing is enabled
+ var topMostNodes = aux.getTopMostNodes(options.eles.nodes());
+ components = aux.connectComponents(cy, options.eles, topMostNodes);
+ // store component centers
+ components.forEach(function (component) {
+ var boundingBox = component.boundingBox();
+ componentCenters.push({ x: boundingBox.x1 + boundingBox.w / 2, y: boundingBox.y1 + boundingBox.h / 2 });
+ });
+
+ //send each component to spectral layout if randomized
+ if (options.randomize) {
+ components.forEach(function (component) {
+ options.eles = component;
+ spectralResult.push(spectralLayout(options));
+ });
+ }
+
+ if (options.quality == "default" || options.quality == "proof") {
+ var toBeTiledNodes = cy.collection();
+ if (options.tile) {
+ // behave nodes to be tiled as one component
+ var nodeIndexes = new Map();
+ var _xCoords = [];
+ var _yCoords = [];
+ var count = 0;
+ var tempSpectralResult = { nodeIndexes: nodeIndexes, xCoords: _xCoords, yCoords: _yCoords };
+ var indexesToBeDeleted = [];
+ components.forEach(function (component, index) {
+ if (component.edges().length == 0) {
+ component.nodes().forEach(function (node, i) {
+ toBeTiledNodes.merge(component.nodes()[i]);
+ if (!node.isParent()) {
+ tempSpectralResult.nodeIndexes.set(component.nodes()[i].id(), count++);
+ tempSpectralResult.xCoords.push(component.nodes()[0].position().x);
+ tempSpectralResult.yCoords.push(component.nodes()[0].position().y);
+ }
+ });
+ indexesToBeDeleted.push(index);
+ }
+ });
+ if (toBeTiledNodes.length > 1) {
+ var _boundingBox = toBeTiledNodes.boundingBox();
+ componentCenters.push({ x: _boundingBox.x1 + _boundingBox.w / 2, y: _boundingBox.y1 + _boundingBox.h / 2 });
+ components.push(toBeTiledNodes);
+ spectralResult.push(tempSpectralResult);
+ for (var i = indexesToBeDeleted.length - 1; i >= 0; i--) {
+ components.splice(indexesToBeDeleted[i], 1);
+ spectralResult.splice(indexesToBeDeleted[i], 1);
+ componentCenters.splice(indexesToBeDeleted[i], 1);
+ };
+ }
+ }
+ components.forEach(function (component, index) {
+ // send each component to cose layout
+ options.eles = component;
+ coseResult.push(coseLayout(options, spectralResult[index]));
+ aux.relocateComponent(componentCenters[index], coseResult[index], options); // relocate center to original position
+ });
+ } else {
+ components.forEach(function (component, index) {
+ aux.relocateComponent(componentCenters[index], spectralResult[index], options); // relocate center to original position
+ });
+ }
+
+ // packing
+ var componentsEvaluated = new Set();
+ if (components.length > 1) {
+ var subgraphs = [];
+ var hiddenEles = eles.filter(function (ele) {
+ return ele.css('display') == 'none';
+ });
+ components.forEach(function (component, index) {
+ var nodeIndexes = void 0;
+ if (options.quality == "draft") {
+ nodeIndexes = spectralResult[index].nodeIndexes;
+ }
+
+ if (component.nodes().not(hiddenEles).length > 0) {
+ var subgraph = {};
+ subgraph.edges = [];
+ subgraph.nodes = [];
+ var nodeIndex = void 0;
+ component.nodes().not(hiddenEles).forEach(function (node) {
+ if (options.quality == "draft") {
+ if (!node.isParent()) {
+ nodeIndex = nodeIndexes.get(node.id());
+ subgraph.nodes.push({ x: spectralResult[index].xCoords[nodeIndex] - node.boundingbox().w / 2, y: spectralResult[index].yCoords[nodeIndex] - node.boundingbox().h / 2, width: node.boundingbox().w, height: node.boundingbox().h });
+ } else {
+ var parentInfo = aux.calcBoundingBox(node, spectralResult[index].xCoords, spectralResult[index].yCoords, nodeIndexes);
+ subgraph.nodes.push({ x: parentInfo.topLeftX, y: parentInfo.topLeftY, width: parentInfo.width, height: parentInfo.height });
+ }
+ } else {
+ if (coseResult[index][node.id()]) {
+ subgraph.nodes.push({ x: coseResult[index][node.id()].getLeft(), y: coseResult[index][node.id()].getTop(), width: coseResult[index][node.id()].getWidth(), height: coseResult[index][node.id()].getHeight() });
+ }
+ }
+ });
+ component.edges().forEach(function (edge) {
+ var source = edge.source();
+ var target = edge.target();
+ if (source.css("display") != "none" && target.css("display") != "none") {
+ if (options.quality == "draft") {
+ var sourceNodeIndex = nodeIndexes.get(source.id());
+ var targetNodeIndex = nodeIndexes.get(target.id());
+ var sourceCenter = [];
+ var targetCenter = [];
+ if (source.isParent()) {
+ var parentInfo = aux.calcBoundingBox(source, spectralResult[index].xCoords, spectralResult[index].yCoords, nodeIndexes);
+ sourceCenter.push(parentInfo.topLeftX + parentInfo.width / 2);
+ sourceCenter.push(parentInfo.topLeftY + parentInfo.height / 2);
+ } else {
+ sourceCenter.push(spectralResult[index].xCoords[sourceNodeIndex]);
+ sourceCenter.push(spectralResult[index].yCoords[sourceNodeIndex]);
+ }
+ if (target.isParent()) {
+ var _parentInfo = aux.calcBoundingBox(target, spectralResult[index].xCoords, spectralResult[index].yCoords, nodeIndexes);
+ targetCenter.push(_parentInfo.topLeftX + _parentInfo.width / 2);
+ targetCenter.push(_parentInfo.topLeftY + _parentInfo.height / 2);
+ } else {
+ targetCenter.push(spectralResult[index].xCoords[targetNodeIndex]);
+ targetCenter.push(spectralResult[index].yCoords[targetNodeIndex]);
+ }
+ subgraph.edges.push({ startX: sourceCenter[0], startY: sourceCenter[1], endX: targetCenter[0], endY: targetCenter[1] });
+ } else {
+ if (coseResult[index][source.id()] && coseResult[index][target.id()]) {
+ subgraph.edges.push({ startX: coseResult[index][source.id()].getCenterX(), startY: coseResult[index][source.id()].getCenterY(), endX: coseResult[index][target.id()].getCenterX(), endY: coseResult[index][target.id()].getCenterY() });
+ }
+ }
+ }
+ });
+ if (subgraph.nodes.length > 0) {
+ subgraphs.push(subgraph);
+ componentsEvaluated.add(index);
+ }
+ }
+ });
+ var shiftResult = layUtil.packComponents(subgraphs, options.randomize).shifts;
+ if (options.quality == "draft") {
+ spectralResult.forEach(function (result, index) {
+ var newXCoords = result.xCoords.map(function (x) {
+ return x + shiftResult[index].dx;
+ });
+ var newYCoords = result.yCoords.map(function (y) {
+ return y + shiftResult[index].dy;
+ });
+ result.xCoords = newXCoords;
+ result.yCoords = newYCoords;
+ });
+ } else {
+ var _count = 0;
+ componentsEvaluated.forEach(function (index) {
+ Object.keys(coseResult[index]).forEach(function (item) {
+ var nodeRectangle = coseResult[index][item];
+ nodeRectangle.setCenter(nodeRectangle.getCenterX() + shiftResult[_count].dx, nodeRectangle.getCenterY() + shiftResult[_count].dy);
+ });
+ _count++;
+ });
+ }
+ }
+ }
+ }
+
+ // get each element's calculated position
+ var getPositions = function getPositions(ele, i) {
+ if (options.quality == "default" || options.quality == "proof") {
+ if (typeof ele === "number") {
+ ele = i;
+ }
+ var pos = void 0;
+ var node = void 0;
+ var theId = ele.data('id');
+ coseResult.forEach(function (result) {
+ if (theId in result) {
+ pos = { x: result[theId].getRect().getCenterX(), y: result[theId].getRect().getCenterY() };
+ node = result[theId];
+ }
+ });
+ if (options.nodeDimensionsIncludeLabels) {
+ if (node.labelWidth) {
+ if (node.labelPosHorizontal == "left") {
+ pos.x += node.labelWidth / 2;
+ } else if (node.labelPosHorizontal == "right") {
+ pos.x -= node.labelWidth / 2;
+ }
+ }
+ if (node.labelHeight) {
+ if (node.labelPosVertical == "top") {
+ pos.y += node.labelHeight / 2;
+ } else if (node.labelPosVertical == "bottom") {
+ pos.y -= node.labelHeight / 2;
+ }
+ }
+ }
+ if (pos == undefined) pos = { x: ele.position("x"), y: ele.position("y") };
+ return {
+ x: pos.x,
+ y: pos.y
+ };
+ } else {
+ var _pos = void 0;
+ spectralResult.forEach(function (result) {
+ var index = result.nodeIndexes.get(ele.id());
+ if (index != undefined) {
+ _pos = { x: result.xCoords[index], y: result.yCoords[index] };
+ }
+ });
+ if (_pos == undefined) _pos = { x: ele.position("x"), y: ele.position("y") };
+ return {
+ x: _pos.x,
+ y: _pos.y
+ };
+ }
+ };
+
+ // quality = "draft" and randomize = false are contradictive so in that case positions don't change
+ if (options.quality == "default" || options.quality == "proof" || options.randomize) {
+ // transfer calculated positions to nodes (positions of only simple nodes are evaluated, compounds are positioned automatically)
+ var parentsWithoutChildren = aux.calcParentsWithoutChildren(cy, eles);
+ var _hiddenEles = eles.filter(function (ele) {
+ return ele.css('display') == 'none';
+ });
+ options.eles = eles.not(_hiddenEles);
+
+ eles.nodes().not(":parent").not(_hiddenEles).layoutPositions(layout, options, getPositions);
+
+ if (parentsWithoutChildren.length > 0) {
+ parentsWithoutChildren.forEach(function (ele) {
+ ele.position(getPositions(ele));
+ });
+ }
+ } else {
+ console.log("If randomize option is set to false, then quality option must be 'default' or 'proof'.");
+ }
+ }
+ }]);
+
+ return Layout;
+}();
+
+module.exports = Layout;
+
+/***/ }),
+
+/***/ 657:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+/**
+ The implementation of the spectral layout that is the first part of the fcose layout algorithm
+*/
+
+var aux = __webpack_require__(548);
+var Matrix = __webpack_require__(140).layoutBase.Matrix;
+var SVD = __webpack_require__(140).layoutBase.SVD;
+
+// main function that spectral layout is processed
+var spectralLayout = function spectralLayout(options) {
+
+ var cy = options.cy;
+ var eles = options.eles;
+ var nodes = eles.nodes();
+ var parentNodes = eles.nodes(":parent");
+
+ var dummyNodes = new Map(); // map to keep dummy nodes and their neighbors
+ var nodeIndexes = new Map(); // map to keep indexes to nodes
+ var parentChildMap = new Map(); // mapping btw. compound and its representative node
+ var allNodesNeighborhood = []; // array to keep neighborhood of all nodes
+ var xCoords = [];
+ var yCoords = [];
+
+ var samplesColumn = []; // sampled vertices
+ var minDistancesColumn = [];
+ var C = []; // column sampling matrix
+ var PHI = []; // intersection of column and row sampling matrices
+ var INV = []; // inverse of PHI
+
+ var firstSample = void 0; // the first sampled node
+ var nodeSize = void 0;
+
+ var infinity = 100000000;
+ var small = 0.000000001;
+
+ var piTol = options.piTol;
+ var samplingType = options.samplingType; // false for random, true for greedy
+ var nodeSeparation = options.nodeSeparation;
+ var sampleSize = void 0;
+
+ /**** Spectral-preprocessing functions ****/
+
+ /**** Spectral layout functions ****/
+
+ // determine which columns to be sampled
+ var randomSampleCR = function randomSampleCR() {
+ var sample = 0;
+ var count = 0;
+ var flag = false;
+
+ while (count < sampleSize) {
+ sample = Math.floor(Math.random() * nodeSize);
+
+ flag = false;
+ for (var i = 0; i < count; i++) {
+ if (samplesColumn[i] == sample) {
+ flag = true;
+ break;
+ }
+ }
+
+ if (!flag) {
+ samplesColumn[count] = sample;
+ count++;
+ } else {
+ continue;
+ }
+ }
+ };
+
+ // takes the index of the node(pivot) to initiate BFS as a parameter
+ var BFS = function BFS(pivot, index, samplingMethod) {
+ var path = []; // the front of the path
+ var front = 0; // the back of the path
+ var back = 0;
+ var current = 0;
+ var temp = void 0;
+ var distance = [];
+
+ var max_dist = 0; // the furthest node to be returned
+ var max_ind = 1;
+
+ for (var i = 0; i < nodeSize; i++) {
+ distance[i] = infinity;
+ }
+
+ path[back] = pivot;
+ distance[pivot] = 0;
+
+ while (back >= front) {
+ current = path[front++];
+ var neighbors = allNodesNeighborhood[current];
+ for (var _i = 0; _i < neighbors.length; _i++) {
+ temp = nodeIndexes.get(neighbors[_i]);
+ if (distance[temp] == infinity) {
+ distance[temp] = distance[current] + 1;
+ path[++back] = temp;
+ }
+ }
+ C[current][index] = distance[current] * nodeSeparation;
+ }
+
+ if (samplingMethod) {
+ for (var _i2 = 0; _i2 < nodeSize; _i2++) {
+ if (C[_i2][index] < minDistancesColumn[_i2]) minDistancesColumn[_i2] = C[_i2][index];
+ }
+
+ for (var _i3 = 0; _i3 < nodeSize; _i3++) {
+ if (minDistancesColumn[_i3] > max_dist) {
+ max_dist = minDistancesColumn[_i3];
+ max_ind = _i3;
+ }
+ }
+ }
+ return max_ind;
+ };
+
+ // apply BFS to all nodes or selected samples
+ var allBFS = function allBFS(samplingMethod) {
+
+ var sample = void 0;
+
+ if (!samplingMethod) {
+ randomSampleCR();
+
+ // call BFS
+ for (var i = 0; i < sampleSize; i++) {
+ BFS(samplesColumn[i], i, samplingMethod, false);
+ }
+ } else {
+ sample = Math.floor(Math.random() * nodeSize);
+ firstSample = sample;
+
+ for (var _i4 = 0; _i4 < nodeSize; _i4++) {
+ minDistancesColumn[_i4] = infinity;
+ }
+
+ for (var _i5 = 0; _i5 < sampleSize; _i5++) {
+ samplesColumn[_i5] = sample;
+ sample = BFS(sample, _i5, samplingMethod);
+ }
+ }
+
+ // form the squared distances for C
+ for (var _i6 = 0; _i6 < nodeSize; _i6++) {
+ for (var j = 0; j < sampleSize; j++) {
+ C[_i6][j] *= C[_i6][j];
+ }
+ }
+
+ // form PHI
+ for (var _i7 = 0; _i7 < sampleSize; _i7++) {
+ PHI[_i7] = [];
+ }
+
+ for (var _i8 = 0; _i8 < sampleSize; _i8++) {
+ for (var _j = 0; _j < sampleSize; _j++) {
+ PHI[_i8][_j] = C[samplesColumn[_j]][_i8];
+ }
+ }
+ };
+
+ // perform the SVD algorithm and apply a regularization step
+ var sample = function sample() {
+
+ var SVDResult = SVD.svd(PHI);
+
+ var a_q = SVDResult.S;
+ var a_u = SVDResult.U;
+ var a_v = SVDResult.V;
+
+ var max_s = a_q[0] * a_q[0] * a_q[0];
+
+ var a_Sig = [];
+
+ // regularization
+ for (var i = 0; i < sampleSize; i++) {
+ a_Sig[i] = [];
+ for (var j = 0; j < sampleSize; j++) {
+ a_Sig[i][j] = 0;
+ if (i == j) {
+ a_Sig[i][j] = a_q[i] / (a_q[i] * a_q[i] + max_s / (a_q[i] * a_q[i]));
+ }
+ }
+ }
+
+ INV = Matrix.multMat(Matrix.multMat(a_v, a_Sig), Matrix.transpose(a_u));
+ };
+
+ // calculate final coordinates
+ var powerIteration = function powerIteration() {
+ // two largest eigenvalues
+ var theta1 = void 0;
+ var theta2 = void 0;
+
+ // initial guesses for eigenvectors
+ var Y1 = [];
+ var Y2 = [];
+
+ var V1 = [];
+ var V2 = [];
+
+ for (var i = 0; i < nodeSize; i++) {
+ Y1[i] = Math.random();
+ Y2[i] = Math.random();
+ }
+
+ Y1 = Matrix.normalize(Y1);
+ Y2 = Matrix.normalize(Y2);
+
+ var count = 0;
+ // to keep track of the improvement ratio in power iteration
+ var current = small;
+ var previous = small;
+
+ var temp = void 0;
+
+ while (true) {
+ count++;
+
+ for (var _i9 = 0; _i9 < nodeSize; _i9++) {
+ V1[_i9] = Y1[_i9];
+ }
+
+ Y1 = Matrix.multGamma(Matrix.multL(Matrix.multGamma(V1), C, INV));
+ theta1 = Matrix.dotProduct(V1, Y1);
+ Y1 = Matrix.normalize(Y1);
+
+ current = Matrix.dotProduct(V1, Y1);
+
+ temp = Math.abs(current / previous);
+
+ if (temp <= 1 + piTol && temp >= 1) {
+ break;
+ }
+
+ previous = current;
+ }
+
+ for (var _i10 = 0; _i10 < nodeSize; _i10++) {
+ V1[_i10] = Y1[_i10];
+ }
+
+ count = 0;
+ previous = small;
+ while (true) {
+ count++;
+
+ for (var _i11 = 0; _i11 < nodeSize; _i11++) {
+ V2[_i11] = Y2[_i11];
+ }
+
+ V2 = Matrix.minusOp(V2, Matrix.multCons(V1, Matrix.dotProduct(V1, V2)));
+ Y2 = Matrix.multGamma(Matrix.multL(Matrix.multGamma(V2), C, INV));
+ theta2 = Matrix.dotProduct(V2, Y2);
+ Y2 = Matrix.normalize(Y2);
+
+ current = Matrix.dotProduct(V2, Y2);
+
+ temp = Math.abs(current / previous);
+
+ if (temp <= 1 + piTol && temp >= 1) {
+ break;
+ }
+
+ previous = current;
+ }
+
+ for (var _i12 = 0; _i12 < nodeSize; _i12++) {
+ V2[_i12] = Y2[_i12];
+ }
+
+ // theta1 now contains dominant eigenvalue
+ // theta2 now contains the second-largest eigenvalue
+ // V1 now contains theta1's eigenvector
+ // V2 now contains theta2's eigenvector
+
+ //populate the two vectors
+ xCoords = Matrix.multCons(V1, Math.sqrt(Math.abs(theta1)));
+ yCoords = Matrix.multCons(V2, Math.sqrt(Math.abs(theta2)));
+ };
+
+ /**** Preparation for spectral layout (Preprocessing) ****/
+
+ // connect disconnected components (first top level, then inside of each compound node)
+ aux.connectComponents(cy, eles, aux.getTopMostNodes(nodes), dummyNodes);
+
+ parentNodes.forEach(function (ele) {
+ aux.connectComponents(cy, eles, aux.getTopMostNodes(ele.descendants().intersection(eles)), dummyNodes);
+ });
+
+ // assign indexes to nodes (first real, then dummy nodes)
+ var index = 0;
+ for (var i = 0; i < nodes.length; i++) {
+ if (!nodes[i].isParent()) {
+ nodeIndexes.set(nodes[i].id(), index++);
+ }
+ }
+
+ var _iteratorNormalCompletion = true;
+ var _didIteratorError = false;
+ var _iteratorError = undefined;
+
+ try {
+ for (var _iterator = dummyNodes.keys()[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+ var key = _step.value;
+
+ nodeIndexes.set(key, index++);
+ }
+
+ // instantiate the neighborhood matrix
+ } catch (err) {
+ _didIteratorError = true;
+ _iteratorError = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion && _iterator.return) {
+ _iterator.return();
+ }
+ } finally {
+ if (_didIteratorError) {
+ throw _iteratorError;
+ }
+ }
+ }
+
+ for (var _i13 = 0; _i13 < nodeIndexes.size; _i13++) {
+ allNodesNeighborhood[_i13] = [];
+ }
+
+ // form a parent-child map to keep representative node of each compound node
+ parentNodes.forEach(function (ele) {
+ var children = ele.children().intersection(eles);
+
+ // let random = 0;
+ while (children.nodes(":childless").length == 0) {
+ // random = Math.floor(Math.random() * children.nodes().length); // if all children are compound then proceed randomly
+ children = children.nodes()[0].children().intersection(eles);
+ }
+ // select the representative node - we can apply different methods here
+ // random = Math.floor(Math.random() * children.nodes(":childless").length);
+ var index = 0;
+ var min = children.nodes(":childless")[0].connectedEdges().length;
+ children.nodes(":childless").forEach(function (ele2, i) {
+ if (ele2.connectedEdges().length < min) {
+ min = ele2.connectedEdges().length;
+ index = i;
+ }
+ });
+ parentChildMap.set(ele.id(), children.nodes(":childless")[index].id());
+ });
+
+ // add neighborhood relations (first real, then dummy nodes)
+ nodes.forEach(function (ele) {
+ var eleIndex = void 0;
+
+ if (ele.isParent()) eleIndex = nodeIndexes.get(parentChildMap.get(ele.id()));else eleIndex = nodeIndexes.get(ele.id());
+
+ ele.neighborhood().nodes().forEach(function (node) {
+ if (eles.intersection(ele.edgesWith(node)).length > 0) {
+ if (node.isParent()) allNodesNeighborhood[eleIndex].push(parentChildMap.get(node.id()));else allNodesNeighborhood[eleIndex].push(node.id());
+ }
+ });
+ });
+
+ var _loop = function _loop(_key) {
+ var eleIndex = nodeIndexes.get(_key);
+ var disconnectedId = void 0;
+ dummyNodes.get(_key).forEach(function (id) {
+ if (cy.getElementById(id).isParent()) disconnectedId = parentChildMap.get(id);else disconnectedId = id;
+
+ allNodesNeighborhood[eleIndex].push(disconnectedId);
+ allNodesNeighborhood[nodeIndexes.get(disconnectedId)].push(_key);
+ });
+ };
+
+ var _iteratorNormalCompletion2 = true;
+ var _didIteratorError2 = false;
+ var _iteratorError2 = undefined;
+
+ try {
+ for (var _iterator2 = dummyNodes.keys()[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+ var _key = _step2.value;
+
+ _loop(_key);
+ }
+
+ // nodeSize now only considers the size of transformed graph
+ } catch (err) {
+ _didIteratorError2 = true;
+ _iteratorError2 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion2 && _iterator2.return) {
+ _iterator2.return();
+ }
+ } finally {
+ if (_didIteratorError2) {
+ throw _iteratorError2;
+ }
+ }
+ }
+
+ nodeSize = nodeIndexes.size;
+
+ var spectralResult = void 0;
+
+ // If number of nodes in transformed graph is 1 or 2, either SVD or powerIteration causes problem
+ // So skip spectral and layout the graph with cose
+ if (nodeSize > 2) {
+ // if # of nodes in transformed graph is smaller than sample size,
+ // then use # of nodes as sample size
+ sampleSize = nodeSize < options.sampleSize ? nodeSize : options.sampleSize;
+
+ // instantiates the partial matrices that will be used in spectral layout
+ for (var _i14 = 0; _i14 < nodeSize; _i14++) {
+ C[_i14] = [];
+ }
+ for (var _i15 = 0; _i15 < sampleSize; _i15++) {
+ INV[_i15] = [];
+ }
+
+ /**** Apply spectral layout ****/
+
+ if (options.quality == "draft" || options.step == "all") {
+ allBFS(samplingType);
+ sample();
+ powerIteration();
+
+ spectralResult = { nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords };
+ } else {
+ nodeIndexes.forEach(function (value, key) {
+ xCoords.push(cy.getElementById(key).position("x"));
+ yCoords.push(cy.getElementById(key).position("y"));
+ });
+ spectralResult = { nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords };
+ }
+ return spectralResult;
+ } else {
+ var iterator = nodeIndexes.keys();
+ var firstNode = cy.getElementById(iterator.next().value);
+ var firstNodePos = firstNode.position();
+ var firstNodeWidth = firstNode.outerWidth();
+ xCoords.push(firstNodePos.x);
+ yCoords.push(firstNodePos.y);
+ if (nodeSize == 2) {
+ var secondNode = cy.getElementById(iterator.next().value);
+ var secondNodeWidth = secondNode.outerWidth();
+ xCoords.push(firstNodePos.x + firstNodeWidth / 2 + secondNodeWidth / 2 + options.idealEdgeLength);
+ yCoords.push(firstNodePos.y);
+ }
+
+ spectralResult = { nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords };
+ return spectralResult;
+ }
+};
+
+module.exports = { spectralLayout: spectralLayout };
+
+/***/ }),
+
+/***/ 579:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var impl = __webpack_require__(212);
+
+// registers the extension on a cytoscape lib ref
+var register = function register(cytoscape) {
+ if (!cytoscape) {
+ return;
+ } // can't register if cytoscape unspecified
+
+ cytoscape('layout', 'fcose', impl); // register with cytoscape.js
+};
+
+if (typeof cytoscape !== 'undefined') {
+ // expose to global cytoscape (i.e. window.cytoscape)
+ register(cytoscape);
+}
+
+module.exports = register;
+
+/***/ }),
+
+/***/ 140:
+/***/ ((module) => {
+
+module.exports = __WEBPACK_EXTERNAL_MODULE__140__;
+
+/***/ })
+
+/******/ });
+/************************************************************************/
+/******/ // The module cache
+/******/ var __webpack_module_cache__ = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/ // Check if module is in cache
+/******/ var cachedModule = __webpack_module_cache__[moduleId];
+/******/ if (cachedModule !== undefined) {
+/******/ return cachedModule.exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = __webpack_module_cache__[moduleId] = {
+/******/ // no module.id needed
+/******/ // no module.loaded needed
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/************************************************************************/
+/******/
+/******/ // startup
+/******/ // Load entry module and return exports
+/******/ // This entry module is referenced by other modules so it can't be inlined
+/******/ var __webpack_exports__ = __webpack_require__(579);
+/******/
+/******/ return __webpack_exports__;
+/******/ })()
+;
+});
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/demo-compound.html b/tools/ui/node_modules/cytoscape-fcose/demo/demo-compound.html
new file mode 100644
index 0000000000000000000000000000000000000000..ed6edfef0accc4c0f1dab6148a88c8ffa7f7feb2
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/demo-compound.html
@@ -0,0 +1,465 @@
+
+
+
+
+
+ cytoscape-fcose.js demo
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
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+
+
+
+ cytoscape-fcose demo (compound)
+
+
Randomize    
+
fCoSE
+
+
+
+
+
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/demo-constraint-control.js b/tools/ui/node_modules/cytoscape-fcose/demo/demo-constraint-control.js
new file mode 100644
index 0000000000000000000000000000000000000000..aefb41a3a145b9f2e0523432fe0e5d137c07fbae
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/demo-constraint-control.js
@@ -0,0 +1,1482 @@
+// define default stylesheet
+let defaultStylesheet = [
+ {
+ selector: 'node',
+ style: {
+ 'background-color': '#bdd3d4',
+ 'label': 'data(id)',
+ 'text-valign': 'center',
+ 'background-opacity': 0.7
+ }
+ },
+
+ {
+ selector: ':parent',
+ style: {
+// 'background-opacity': 0.333,
+ 'background-color': '#e8e8e8',
+ 'border-color': '#DADADA',
+// 'border-width': 3,
+ 'text-valign': 'bottom'
+ }
+ },
+
+ {
+ selector: 'edge',
+ style: {
+ 'curve-style': 'straight',
+ 'line-color': '#bdd3d4'
+ }
+ },
+
+ {
+ selector: 'node:selected',
+ style: {
+ 'background-color': '#33ff00',
+ 'border-color': '#22ee00'
+ }
+ },
+
+ {
+ selector: 'node.fixed',
+ style: {
+ 'shape': 'diamond',
+ 'background-color': '#9D9696',
+ }
+ },
+
+ {
+ selector: 'node.fixed:selected',
+ style: {
+ 'background-color': '#33ff00',
+ }
+ },
+
+ {
+ selector: 'node.alignment',
+ style: {
+ 'shape': 'round-heptagon',
+ 'background-color': '#fef2d1',
+ }
+ },
+
+ {
+ selector: 'node.alignment:selected',
+ style: {
+ 'background-color': '#33ff00',
+ }
+ },
+
+ {
+ selector: 'node.relative',
+ style: {
+ 'shape': 'rectangle',
+ 'background-color': '#fed3d1',
+ }
+ },
+
+ {
+ selector: 'node.relative:selected',
+ style: {
+ 'background-color': '#33ff00',
+ }
+ },
+
+ {
+ selector: 'edge:selected',
+ style: {
+ 'line-color': '#33ff00'
+ }
+ }
+];
+
+let cy = window.cy = cytoscape({
+ container: document.getElementById('cy'),
+ ready: function(){
+ let layoutUtilities = this.layoutUtilities({
+ desiredAspectRatio: this.width()/this.height()
+ });
+
+ this.nodes().forEach(function(node){
+ let size = Math.random()*40+30;
+ node.css("width", size);
+ node.css("height", size);
+ });
+
+ let initialLayout = this.layout({name: 'fcose', step: 'all', animationEasing: 'ease-out'});
+ initialLayout.pon('layoutstart').then(function( event ){
+ constraints.fixedNodeConstraint = JSON.parse(JSON.stringify(sample1_constraints.fixedNodeConstraint));
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ });
+ initialLayout.run();
+ },
+ layout: {name: 'preset'},
+ style: defaultStylesheet,
+ elements: {
+ nodes: [
+ {data: {id: 'n1'}},
+ {data: {id: 'n2'}},
+ {data: {id: 'n3', parent: 'n8'}},
+ {data: {id: 'n5'}},
+ {data: {id: 'n6', parent: 'n8'}},
+ {data: {id: 'n7', parent: 'n8'}},
+ {data: {id: 'n8'}},
+ {data: {id: 'f1'}, classes: ['fixed']},
+ {data: {id: 'f2'}, classes: ['fixed']},
+ {data: {id: 'f3', parent: 'n8'}, classes: ['fixed']},
+ ],
+ edges: [
+ {data: {source: 'n1', target: 'f1'}},
+ {data: {source: 'n1', target: 'n3'}},
+ {data: {source: 'f1', target: 'n2'}},
+ {data: {source: 'f1', target: 'n3'}},
+ {data: {source: 'n3', target: 'f2'}},
+ {data: {source: 'f2', target: 'n5'}},
+ {data: {source: 'n5', target: 'n8'}},
+ {data: {source: 'n6', target: 'n3'}},
+ {data: {source: 'n6', target: 'n7'}},
+ {data: {source: 'n6', target: 'f3'}}
+ ]
+ },
+ wheelSensitivity: 0.3
+});
+
+let constraints = {
+ fixedNodeConstraint: undefined,
+ alignmentConstraint: undefined,
+ relativePlacementConstraint: undefined
+};
+
+// Handle Menu ------------------------------------------
+
+// Graph file input
+document.getElementById("openFile").addEventListener("click", function () {
+ document.getElementById("inputFile").click();
+});
+
+$("body").on("change", "#inputFile", function (e, fileObject) {
+ var inputFile = this.files[0] || fileObject;
+
+ if (inputFile) {
+ var fileExtension = inputFile.name.split('.').pop();
+ var r = new FileReader();
+ r.onload = function (e) {
+ cy.remove(cy.elements());
+ var content = e.target.result;
+ if (fileExtension == "graphml" || fileExtension == "xml") {
+ cy.graphml({layoutBy: 'null'});
+ cy.graphml(content);
+// updateGraphStyle();
+ } else if (fileExtension == "json") {
+ cy.json({elements: JSON.parse(content)});
+// updateGraphStyle();
+ } else {
+ var tsv = cy.tsv();
+ tsv.importTo(content);
+ }
+ };
+ r.addEventListener('loadend', function () {
+ onLoad();
+ clearConstraintListTable();
+ constraints.fixedNodeConstraint = undefined;
+ constraints.alignmentConstraint = undefined;
+ constraints.relativePlacementConstraint = undefined;
+
+ document.getElementById("nodeList").addEventListener("change", function(){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+
+// if (inputFile.name == "samples/sample1.graphml") {
+// cy.nodes().forEach(function (node, i) {
+// let width = [30, 70, 110];
+// let size = width[i % 3];
+// node.css("width", size);
+// node.css("height", size);
+// });
+// }
+
+ });
+ r.readAsText(inputFile);
+ } else {
+ alert("Failed to load file");
+ }
+ $("#inputFile").val(null);
+});
+
+let updateGraphStyle = function () {
+ cy.nodes().forEach(function (node) {
+ node.style({
+ 'background-image': node.data('background-image'),
+ 'width': node.data('bbox').w,
+ 'height': node.data('bbox').h,
+ "border-width": node.data('border-width'),
+ "border-color": node.data('border-color'),
+ "background-color": node.data('background-color'),
+ "background-opacity": node.data('background-opacity'),
+ "background-fit": "cover",
+ "background-position-x": "50%",
+ "background-position-y": "50%",
+ "text-wrap": "wrap",
+ "font-size": node.data('font-size'),
+ "color": node.data('color')
+ });
+
+ if (node.data('label')) {
+ node.style({
+ 'label': node.data('label')
+ });
+ }
+ });
+
+ cy.edges().forEach(function (edge) {
+ edge.style({
+ 'width': edge.data('width'),
+ "line-color": edge.data('line-color')
+ });
+ });
+};
+
+$("body").on("change", "#inputConstraint", function (e, fileObject) {
+ var inputFile = this.files[0] || fileObject;
+
+ if (inputFile) {
+ var fileExtension = inputFile.name.split('.').pop();
+ var r = new FileReader();
+ r.onload = function (e) {
+ var content = e.target.result;
+ if (fileExtension == "json") {
+ constraints.fixedNodeConstraint = undefined;
+ constraints.alignmentConstraint = undefined;
+ constraints.relativePlacementConstraint = undefined;
+ let constraintObject = JSON.parse( content );
+ if(constraintObject.fixedNodeConstraint)
+ constraints.fixedNodeConstraint = constraintObject.fixedNodeConstraint;
+ if(constraintObject.alignmentConstraint)
+ constraints.alignmentConstraint = constraintObject.alignmentConstraint;
+ if(constraintObject.relativePlacementConstraint)
+ constraints.relativePlacementConstraint = constraintObject.relativePlacementConstraint;
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ }
+ };
+ r.addEventListener('loadend', function () {
+ });
+ r.readAsText(inputFile);
+ } else {
+ alert("Failed to load file");
+ }
+ $("#inputFile").val(null);
+});
+
+document.getElementById("exportConstraint").addEventListener("click", function(){
+ let constraintString = JSON.stringify(constraints, null, 2);
+ download('constraint.json', constraintString);
+});
+
+let download = function(filename, text) {
+ var pom = document.createElement('a');
+ pom.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
+ pom.setAttribute('download', filename);
+
+ if (document.createEvent) {
+ var event = document.createEvent('MouseEvents');
+ event.initEvent('click', true, true);
+ pom.dispatchEvent(event);
+ }
+ else {
+ pom.click();
+ }
+};
+
+/*
+// SVG
+document.getElementById("saveAsSVG").addEventListener("click", function(){
+ let svgContent = cy.svg({scale: 1, full: true});
+ let blob = new Blob([svgContent], {type:"image/svg+xml;charset=utf-8"});
+ saveAs(blob, "graph.svg");
+});
+
+// see http://stackoverflow.com/questions/16245767/creating-a-blob-from-a-base64-string-in-javascript
+let b64toBlob = function(b64Data, contentType, sliceSize) {
+ contentType = contentType || '';
+ sliceSize = sliceSize || 512;
+
+ var byteCharacters = atob(b64Data);
+ var byteArrays = [];
+
+ for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) {
+ var slice = byteCharacters.slice(offset, offset + sliceSize);
+
+ var byteNumbers = new Array(slice.length);
+ for (var i = 0; i < slice.length; i++) {
+ byteNumbers[i] = slice.charCodeAt(i);
+ }
+
+ var byteArray = new Uint8Array(byteNumbers);
+
+ byteArrays.push(byteArray);
+ }
+
+ var blob = new Blob(byteArrays, {type: contentType});
+ return blob;
+}
+*/
+
+// Sample File Changer
+let sampleFileNames = {
+ "sample5" : unix,
+ "sample5_constraints" : unix_constraints,
+ "sample6" : chalk,
+ "sample6_constraints" : chalk_constraints,
+ "sample7" : uwsn,
+ "sample7_constraints" : uwsn_constraints,
+ "sample8" : call_graph,
+ "sample8_constraints" : callGraph_constraints,
+ "sample9" : wsn,
+ "sample9_constraints" : wsn_constraints,
+};
+
+document.getElementById("sample").addEventListener("change", function(){
+ cy.startBatch();
+ cy.elements().remove();
+ cy.style().clear();
+
+ var selectionObject = document.getElementById("sample");
+
+ var selected = selectionObject.options[selectionObject.selectedIndex].index;
+ if(selected == 0){
+ cy.add(elements1);
+ applyPostLoadOperations(selected);
+ }
+ else if(selected == 1){
+ cy.add(elements2);
+ applyPostLoadOperations(selected);
+ }
+ else if(selected == 2){
+ cy.add(elements3);
+ applyPostLoadOperations(selected);
+ }
+ else if(selected == 3){
+ cy.add(elements4);
+ applyPostLoadOperations(selected);
+ }
+ else if(selected == 4){
+ cy.add(elements5);
+ applyPostLoadOperations(selected);
+ }
+
+ function applyPostLoadOperations(selected){
+ cy.nodes().forEach(function(node){
+ let size = Math.random()*40+30;
+ node.css("width", size);
+ node.css("height", size);
+ });
+ cy.style(defaultStylesheet);
+
+ clearConstraintListTable();
+ constraints.fixedNodeConstraint = undefined;
+ constraints.alignmentConstraint = undefined;
+ constraints.relativePlacementConstraint = undefined;
+
+ if(selected == 0){
+ if(sample1_constraints.fixedNodeConstraint)
+ constraints.fixedNodeConstraint = JSON.parse(JSON.stringify(sample1_constraints.fixedNodeConstraint));
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ }
+ if(selected == 1){
+ if(sample2_constraints.alignmentConstraint)
+ constraints.alignmentConstraint = JSON.parse(JSON.stringify(sample2_constraints.alignmentConstraint));
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ }
+ if(selected == 2){
+ if(sample3_constraints.relativePlacementConstraint)
+ constraints.relativePlacementConstraint = JSON.parse(JSON.stringify(sample3_constraints.relativePlacementConstraint));
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ }
+ if(selected == 3){
+ if(sample4_constraints.fixedNodeConstraint)
+ constraints.fixedNodeConstraint = JSON.parse(JSON.stringify(sample4_constraints.fixedNodeConstraint));
+ if(sample4_constraints.alignmentConstraint)
+ constraints.alignmentConstraint = JSON.parse(JSON.stringify(sample4_constraints.alignmentConstraint));
+ if(sample4_constraints.relativePlacementConstraint)
+ constraints.relativePlacementConstraint = JSON.parse(JSON.stringify(sample4_constraints.relativePlacementConstraint));
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ }
+ }
+
+ if (sampleFileNames[selectionObject.value]) {
+ //$.getJSON("samples/" + sampleFileNames[selectionObject.value] + ".json", function(json) {
+ let json = sampleFileNames[selectionObject.value];
+ cy.json(json);
+ cy.nodes().forEach(function (node) {
+ node.style({
+ 'width': node.data('bbox').w,
+ 'height': node.data('bbox').h,
+ "border-width": node.data('border-width'),
+// "border-color": node.data('border-color'),
+ });
+
+ if (node.data('class') === 'process' || node.data('class') === 'association' || node.data('class') === "dissociation") {
+ node.style({
+ 'background-color': node.data('background-color'),
+ 'background-opacity': 0.3
+ });
+ } else {
+ node.style({
+ 'background-image': node.data('background-image'),
+// 'background-color': node.data('background-color'),
+ 'background-opacity': node.data('background-opacity'),
+ 'background-fit': 'contain',
+ 'background-position-x': '50%',
+ 'background-position-y': '50%',
+ });
+ }
+
+ if (node.data('label')) {
+ node.style({
+ 'label': node.data('label'),
+ 'text-wrap': 'wrap',
+ 'font-size': node.data('font-size'),
+ 'color': node.data('color')
+ });
+ }
+ });
+
+ constraints.fixedNodeConstraint = undefined;
+ constraints.alignmentConstraint = undefined;
+ constraints.relativePlacementConstraint = undefined;
+
+ let constraintObject = sampleFileNames[selectionObject.value + "_constraints"];
+ if(constraintObject.fixedNodeConstraint)
+ constraints.fixedNodeConstraint = JSON.parse(JSON.stringify(constraintObject.fixedNodeConstraint));
+ if(constraintObject.alignmentConstraint)
+ constraints.alignmentConstraint = JSON.parse(JSON.stringify(constraintObject.alignmentConstraint));
+ if(constraintObject.relativePlacementConstraint)
+ constraints.relativePlacementConstraint = JSON.parse(JSON.stringify(constraintObject.relativePlacementConstraint));
+ clearConstraintListTable();
+ fillConstraintListTableFromConstraints();
+ // });
+
+ }
+ cy.endBatch();
+
+ if(selected == 4){
+ cy.nodes().not(":parent").positions(function(node, i){
+ return {
+ x: elements5_positions[i].x,
+ y: elements5_positions[i].y
+ };
+ });
+ cy.layout({name: "preset", fit:true, animate:true, animationDuration: 1000, animationEasing: undefined}).run();
+ }
+ else {
+ let finalOptions = Object.assign({}, options);
+ finalOptions.step = "all";
+ cy.layout(finalOptions).run();
+ }
+// cy.layout({name: 'random', padding: 100}).run();
+ onLoad();
+
+ document.getElementById("nodeList").addEventListener("change", function(){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+});
+
+// Layout buttons
+
+let options = {
+ name: 'fcose',
+ quality: "default",
+ randomize: true,
+ animate: true,
+ animationDuration: 1000,
+ animationEasing: undefined,
+ fit: true,
+ padding: 30,
+ nestingFactor: 0.1,
+ gravityRangeCompound: 1.5,
+ gravityCompound: 1.0
+};
+
+// Randomize
+document.getElementById("randomizeButton").addEventListener("click", function () {
+ var layout = cy.layout({
+ name: 'random',
+ animate: true
+ });
+
+ layout.run();
+});
+
+// Fcose
+document.getElementById("fcoseButton").addEventListener("click", function(){
+ let finalOptions = Object.assign({}, options);
+ finalOptions.step = "all";
+ finalOptions.randomize = !(document.getElementById("incremental").checked);
+
+ if(document.getElementById("sample").value == "sample6"){
+ finalOptions.nestingFactor = 0.4;
+ finalOptions.gravityRangeCompound = 0;
+ finalOptions.gravityCompound = 3.0;
+ }
+
+ if(document.getElementById("sample").value == "sample8"){
+ finalOptions.idealEdgeLength = 70;
+ }
+
+ finalOptions.fixedNodeConstraint = constraints.fixedNodeConstraint ? constraints.fixedNodeConstraint : undefined;
+ finalOptions.alignmentConstraint = constraints.alignmentConstraint ? constraints.alignmentConstraint : undefined;
+ finalOptions.relativePlacementConstraint = constraints.relativePlacementConstraint ? constraints.relativePlacementConstraint : undefined;
+ let layout = cy.layout(finalOptions);
+ layout.one("layoutstop", function( event ){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+ cy.layoutUtilities("get").setOption("randomize", finalOptions.randomize);
+// let start = performance.now();
+ layout.run();
+// console.log((performance.now() - start) + " ms" );
+});
+
+/*
+// CoLa
+document.getElementById("colaButton").addEventListener("click", function(){
+
+ if(constraints.fixedNodeConstraint) {
+ constraints.fixedNodeConstraint.forEach(function(constraint){
+ cy.getElementById(constraint.nodeId).position({x: constraint.position.x, y: constraint.position.y});
+ cy.getElementById(constraint.nodeId).lock();
+ });
+ }
+
+ let gapInequalities = [];
+ if(constraints.relativePlacementConstraint) {
+ constraints.relativePlacementConstraint.forEach(function(constraint){
+ if(constraint.left) {
+ gapInequalities.push({"axis": "x", "left": cy.getElementById(constraint.left), "right": cy.getElementById(constraint.right), "gap": constraint.gap});
+ }
+ else {
+ gapInequalities.push({"axis": "y", "left": cy.getElementById(constraint.top), "right": cy.getElementById(constraint.bottom), "gap": constraint.gap});
+ }
+ });
+ }
+
+ let options = {
+ name: 'cola',
+ animate: false,
+ maxSimulationTime: 20000,
+ randomize: true,
+ unconstrIter: 10,
+ userConstIter: 15,
+ allConstIter: 20,
+ handleDisconnected: false,
+ edgeLength: 50,
+ alignment: constraints.alignmentConstraint ? constraints.alignmentConstraint : undefined,
+ gapInequalities: gapInequalities
+ };
+
+ let layout = cy.layout(options);
+ layout.one("layoutstop", function( event ){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+
+ let start = performance.now();
+ layout.run();
+ console.log((performance.now() - start) + " ms" );
+
+ cy.nodes().unlock();
+});
+*/
+
+// Draft
+document.getElementById("draftButton").addEventListener("click", function(){
+ let finalOptions = Object.assign({}, options);
+ finalOptions.quality = "draft";
+ finalOptions.fixedNodeConstraint = constraints.fixedNodeConstraint ? constraints.fixedNodeConstraint : undefined;
+ finalOptions.alignmentConstraint = constraints.alignmentConstraint ? constraints.alignmentConstraint : undefined;
+ finalOptions.relativePlacementConstraint = constraints.relativePlacementConstraint ? constraints.relativePlacementConstraint : undefined;
+ let layout = cy.layout(finalOptions);
+ layout.one("layoutstop", function( event ){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+ cy.layoutUtilities("get").setOption("randomize", true);
+ layout.run();
+});
+
+// Transform
+document.getElementById("transformButton").addEventListener("click", function(){
+ let finalOptions = Object.assign({}, options);
+ finalOptions.step = "transformed";
+ finalOptions.fixedNodeConstraint = constraints.fixedNodeConstraint ? constraints.fixedNodeConstraint : undefined;
+ finalOptions.alignmentConstraint = constraints.alignmentConstraint ? constraints.alignmentConstraint : undefined;
+ finalOptions.relativePlacementConstraint = constraints.relativePlacementConstraint ? constraints.relativePlacementConstraint : undefined;
+
+ let layout = cy.layout(finalOptions);
+ layout.one("layoutstop", function( event ){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+ layout.run();
+});
+
+// Enforce
+document.getElementById("enforceButton").addEventListener("click", function(){
+ let finalOptions = Object.assign({}, options);
+ finalOptions.step = "enforced";
+
+ finalOptions.fixedNodeConstraint = constraints.fixedNodeConstraint ? constraints.fixedNodeConstraint : undefined;
+ finalOptions.alignmentConstraint = constraints.alignmentConstraint ? constraints.alignmentConstraint : undefined;
+ finalOptions.relativePlacementConstraint = constraints.relativePlacementConstraint ? constraints.relativePlacementConstraint : undefined;
+
+ let layout = cy.layout(finalOptions);
+ layout.one("layoutstop", function( event ){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+ layout.run();
+});
+
+document.getElementById("coseButton").addEventListener("click", function(){
+ let finalOptions = Object.assign({}, options);
+
+ if(document.getElementById("sample").value == "sample6"){
+ finalOptions.nestingFactor = 0.4;
+ finalOptions.gravityRangeCompound = 0;
+ finalOptions.gravityCompound = 3.0;
+ }
+
+ if(document.getElementById("sample").value == "sample8"){
+ finalOptions.idealEdgeLength = 70;
+ }
+
+ finalOptions.fixedNodeConstraint = constraints.fixedNodeConstraint ? constraints.fixedNodeConstraint : undefined;
+ finalOptions.alignmentConstraint = constraints.alignmentConstraint ? constraints.alignmentConstraint : undefined;
+ finalOptions.relativePlacementConstraint = constraints.relativePlacementConstraint ? constraints.relativePlacementConstraint : undefined;
+
+ finalOptions.randomize = false;
+ finalOptions.step = "cose";
+ let layout = cy.layout(finalOptions);
+ layout.one("layoutstop", function( event ){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+ cy.layoutUtilities("get").setOption("randomize", finalOptions.randomize);
+ layout.run();
+});
+
+// Handle Constraints ----------------------------
+
+let onLoad = function(){
+ let nodeList = "";
+ let simpleNodes = cy.nodes().not(":parent");
+ for(let i = 0; i < simpleNodes.length; i++){
+ let node = simpleNodes[i];
+ let label = (node.data('label'))?(node.data('label')):(node.id());
+ if(label.length > 15)
+ label = label.substring(0, 12).concat("...");
+ nodeList += "" + label + " ";
+ }
+ let listComponentForFixed = document.getElementById("nodeListColumn");
+ listComponentForFixed.innerHTML = nodeList;
+ document.getElementById("fixedNodeX").value = Math.round(cy.nodes().not(":parent")[0].position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.nodes().not(":parent")[0].position("y"));
+
+ let nodeListRP1 = "";
+ for(let i = 0; i < simpleNodes.length; i++){
+ let node = simpleNodes[i];
+ let label = (node.data('label'))?(node.data('label')):(node.id());
+ if(label.length > 15)
+ label = label.substring(0, 12).concat("...");
+ nodeListRP1 += "" + label + " ";
+ }
+
+ let nodeListRP2 = "";
+ for(let i = 0; i < simpleNodes.length; i++){
+ let node = simpleNodes[i];
+ let label = (node.data('label'))?(node.data('label')):(node.id());
+ if(label.length > 15)
+ label = label.substring(0, 12).concat("...");
+ nodeListRP2 += "" + label + " ";
+ }
+
+ let listComponentForRP1 = document.getElementById("nodeListColumnRP1");
+ listComponentForRP1.innerHTML = nodeListRP1;
+
+ let listComponentForRP2 = document.getElementById("nodeListColumnRP2");
+ listComponentForRP2.innerHTML = nodeListRP2;
+};
+
+let onSelect = function(){
+ let id = document.getElementById("nodeList").value;
+ cy.elements().unselect();
+ cy.getElementById(id).select();
+};
+
+let onSelectRP1 = function(){
+ let id = document.getElementById("nodeListRP1").value;
+ cy.elements().unselect();
+ cy.getElementById(id).select();
+};
+
+let onSelectRP2 = function(){
+ let id = document.getElementById("nodeListRP2").value;
+ cy.elements().unselect();
+ cy.getElementById(id).select();
+};
+
+document.addEventListener('DOMContentLoaded', function(){
+ document.getElementById("nodeList").addEventListener("change", function(){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ });
+});
+
+cy.ready( function(event){
+ onLoad();
+});
+
+document.getElementById("nodeList").addEventListener("change", function(){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+});
+
+cy.on("position", "node", function(event) {
+ if(event.target.id() == document.getElementById("nodeList").value){
+ document.getElementById("fixedNodeX").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("x"));
+ document.getElementById("fixedNodeY").value = Math.round(cy.getElementById(document.getElementById("nodeList").value).position("y"));
+ }
+});
+
+// Adding Constraints
+let constraintListTable = document.getElementById("constraintListTable");
+
+document.getElementById("fixedNode").addEventListener("click",function(){
+ let nodeId = document.getElementById("nodeList").value;
+ let exist = false;
+ if(constraints.fixedNodeConstraint){
+ constraints.fixedNodeConstraint.forEach(function(constraintObject){
+ if(constraintObject.nodeId == nodeId){
+ exist = true;
+ }
+ });
+ }
+ if(!exist){
+ let fixedNode = {nodeId: nodeId, position: Object.assign({}, {x: parseInt(document.getElementById("fixedNodeX").value), y: parseInt(document.getElementById("fixedNodeY").value)})};
+ if(constraints.fixedNodeConstraint){
+ constraints.fixedNodeConstraint.push(fixedNode);
+ }
+ else{
+ constraints.fixedNodeConstraint = [fixedNode];
+ }
+
+ addToHistory("Fixed", [nodeId], fixedNode.position);
+ }
+});
+
+document.getElementById("verticalAlignment").addEventListener("click", function(){
+ if(cy.nodes(":selected").not(":parent").length > 0){
+ let valignArray = [];
+ cy.nodes(":selected").not(":parent").forEach(function(node){
+ valignArray.push(node.id());
+ });
+ if(constraints.alignmentConstraint){
+ if(constraints.alignmentConstraint.vertical){
+ constraints.alignmentConstraint.vertical.push(valignArray);
+ }
+ else{
+ constraints.alignmentConstraint.vertical = [valignArray];
+ }
+ }
+ else{
+ constraints.alignmentConstraint = {};
+ constraints.alignmentConstraint.vertical = [valignArray];
+ }
+ addToHistory("Alignment", valignArray, 'vertical');
+ }
+});
+
+document.getElementById("horizontalAlignment").addEventListener("click", function(){
+ if(cy.nodes(":selected").not(":parent").length > 0){
+ let halignArray = [];
+ cy.nodes(":selected").not(":parent").forEach(function(node){
+ halignArray.push(node.id());
+ });
+ if(constraints.alignmentConstraint){
+ if(constraints.alignmentConstraint.horizontal){
+ constraints.alignmentConstraint.horizontal.push(halignArray);
+ }
+ else{
+ constraints.alignmentConstraint.horizontal = [halignArray];
+ }
+ }
+ else{
+ constraints.alignmentConstraint = {};
+ constraints.alignmentConstraint.horizontal = [halignArray];
+ }
+ addToHistory("Alignment", halignArray, 'horizontal');
+ }
+});
+
+document.getElementById("relativePlacement").addEventListener("click", function(){
+ let nodeId1 = document.getElementById("nodeListRP1").value;
+ let nodeId2 = document.getElementById("nodeListRP2").value;
+ let isExist = false;
+ if(constraints.relativePlacementConstraint){
+ constraints.relativePlacementConstraint.forEach(function(constraint){
+ if(constraint["left"]){
+ if((constraint["left"] == nodeId1 && constraint["right"] == nodeId2 || constraint["left"] == nodeId2 && constraint["right"] == nodeId1) && document.getElementById("directionList").value == "left-right"){
+ isExist = true;
+ }
+ }
+ else {
+ if((constraint["top"] == nodeId1 && constraint["bottom"] == nodeId2 || constraint["top"] == nodeId2 && constraint["bottom"] == nodeId1) && document.getElementById("directionList").value == "top-bottom"){
+ isExist = true;
+ }
+ }
+ });
+ }
+ if((nodeId1 != nodeId2) && !isExist){
+ let relativePlacementConstraint;
+ if(document.getElementById("directionList").value == "left-right"){
+ relativePlacementConstraint = {left: nodeId1, right: nodeId2, gap: (document.getElementById("gap").value) ? (parseInt(document.getElementById("gap").value)) : undefined};
+ }
+ else{
+ relativePlacementConstraint = {top: nodeId1, bottom: nodeId2, gap: (document.getElementById("gap").value) ? (parseInt(document.getElementById("gap").value)) : undefined};
+ }
+ if(constraints.relativePlacementConstraint){
+ constraints.relativePlacementConstraint.push(relativePlacementConstraint);
+ }
+ else{
+ constraints.relativePlacementConstraint = [];
+ constraints.relativePlacementConstraint.push(relativePlacementConstraint);
+ }
+
+ if(document.getElementById("directionList").value == "left-right")
+ addToHistory("Relative", [nodeId1, nodeId2], 'l-r - ' + ((document.getElementById("gap").value) ? (parseInt(document.getElementById("gap").value)) : parseInt(cy.getElementById(nodeId1).width()/2 + cy.getElementById(nodeId2).width()/2 + 50)));
+ else{
+ addToHistory("Relative", [nodeId1, nodeId2], 't-b - ' + ((document.getElementById("gap").value) ? (parseInt(document.getElementById("gap").value)) : parseInt(cy.getElementById(nodeId1).height()/2 + cy.getElementById(nodeId2).height()/2 + 50)));
+ }
+ }
+});
+
+let addToHistory = function( constraintType, nodeIds, constraintInfo) {
+
+ let row = constraintListTable.insertRow();
+ let cell4 = row.insertCell(0);
+ let cell3 = row.insertCell(0);
+ let cell2 = row.insertCell(0);
+ let cell1 = row.insertCell(0);
+ cell1.innerHTML = constraintType;
+
+ if(constraintType == 'Fixed'){
+ let label = (cy.getElementById(nodeIds[0]).css('label') ? cy.getElementById(nodeIds[0]).css('label') : nodeIds);
+ if(label.length > 15)
+ label = label.substring(0, 12).concat("...");
+ cell2.innerHTML = label;
+ cell3.innerHTML = "x: "+constraintInfo.x+" y: "+constraintInfo.y;
+ }
+ else if(constraintType == 'Alignment'){
+ let nodeList = "";
+ nodeIds.forEach(function(nodeId, index){
+ let label = (cy.getElementById(nodeId).css('label') ? cy.getElementById(nodeId).css('label') : nodeId);
+ if(label.length > 15)
+ label = label.substring(0, 12).concat("...");
+ if(index == 0)
+ nodeList += label;
+ else
+ nodeList += ' - ' + label;
+ });
+ cell2.innerHTML = nodeList;
+ cell3.innerHTML = constraintInfo;
+ }
+ else{
+ let nodeList = "";
+ nodeIds.forEach(function(nodeId, index){
+ let label = (cy.getElementById(nodeId).css('label') ? cy.getElementById(nodeId).css('label') : nodeId);
+ if(label.length > 15)
+ label = label.substring(0, 12).concat("...");
+ if(index == 0)
+ nodeList += label;
+ else
+ nodeList += ' - ' + label;
+ });
+ cell2.innerHTML = nodeList;
+ cell3.innerHTML = constraintInfo;
+ }
+
+ // needed for highlighting constrained nodes
+ let instance = cy.viewUtilities({
+ highlightStyles: [
+ { node: { 'background-color': '#da14ff', 'border-color': '#980eb2'}, edge: {} }
+ ]
+ });
+
+ let rowToHighlight = $('#constraintListTable').find('tr').eq(row.rowIndex);
+
+ let collectionToHighlight = cy.collection();
+ nodeIds.forEach(function(id){
+ collectionToHighlight = collectionToHighlight.union(cy.getElementById(id));
+ });
+
+ // 'Delete' symbol
+ let button = document.createElement('button');
+ button.setAttribute('class','close');
+ button.setAttribute('aria-label', 'Close');
+ if(constraintType == 'Fixed')
+ button.onclick = function(event){
+ deleteRowElements(row, nodeIds);
+ instance.removeHighlights(collectionToHighlight.nodes());
+ };
+ else if(constraintType == 'Alignment')
+ button.onclick = function(event){
+ deleteRowElements(row, nodeIds, constraintInfo);
+ instance.removeHighlights(collectionToHighlight.nodes());
+ };
+ else
+ button.onclick = function(event){
+ deleteRowElements(row, nodeIds, constraintInfo);
+ instance.removeHighlights(collectionToHighlight.nodes());
+ };
+ let xSymbol = document.createElement('span');
+ xSymbol.setAttribute('aria-hidden', 'true');
+ xSymbol.style.color = "red";
+ xSymbol.innerHTML = '×';
+ button.appendChild(xSymbol);
+ cell4.appendChild(button);
+
+ rowToHighlight.hover(function() {
+ instance.highlight(collectionToHighlight.nodes(), 0);
+ }, function() {
+ instance.removeHighlights(collectionToHighlight.nodes());
+ });
+};
+
+// Delete Row Elements
+let deleteRowElements = function (row, nodeIds, info) {
+ let constraintType = row.cells[0].innerHTML;
+ if (constraintType == 'Fixed') {
+ constraints.fixedNodeConstraint.forEach(function (item, index) {
+ if (item.nodeId == nodeIds[0]) {
+ constraints.fixedNodeConstraint.splice(index, 1);
+ }
+ });
+ if (constraints.fixedNodeConstraint.length == 0) {
+ constraints.fixedNodeConstraint = undefined;
+ }
+ } else if (constraintType == 'Alignment') {
+ if (info == 'vertical') {
+ constraints.alignmentConstraint.vertical.forEach(function (item, index) {
+ if (item.length == nodeIds.length) {
+ let equal = true;
+ item.forEach(function (nodeId, i) {
+ if (nodeId != nodeIds[i]) {
+ equal = false;
+ }
+ });
+ if (equal) {
+ constraints.alignmentConstraint.vertical.splice(index, 1);
+ if (constraints.alignmentConstraint.vertical.length == 0) {
+ delete constraints.alignmentConstraint.vertical;
+ if (!constraints.alignmentConstraint.horizontal) {
+ constraints.alignmentConstraint = undefined;
+ }
+ }
+ }
+ }
+ });
+ } else {
+ constraints.alignmentConstraint.horizontal.forEach(function (item, index) {
+ if (item.length == nodeIds.length) {
+ let equal = true;
+ item.forEach(function (nodeId, i) {
+ if (nodeId != nodeIds[i]) {
+ equal = false;
+ }
+ });
+ if (equal) {
+ constraints.alignmentConstraint.horizontal.splice(index, 1);
+ if (constraints.alignmentConstraint.horizontal.length == 0) {
+ delete constraints.alignmentConstraint.horizontal;
+ if (!constraints.alignmentConstraint.vertical) {
+ constraints.alignmentConstraint = undefined;
+ }
+ }
+ }
+ }
+ });
+ }
+ }
+ else{
+ constraints.relativePlacementConstraint.forEach(function(item, index){
+ if(info.substring(0,1) == 'l'){
+ if(item.left && item.left == nodeIds[0] && item.right == nodeIds[1]){
+ constraints.relativePlacementConstraint.splice(index, 1);
+ if(constraints.relativePlacementConstraint.length == 0){
+ constraints.relativePlacementConstraint = undefined;
+ }
+ }
+ }
+ else{
+ if(item.top && item.top == nodeIds[0] && item.bottom == nodeIds[1]){
+ constraints.relativePlacementConstraint.splice(index, 1);
+ if(constraints.relativePlacementConstraint.length == 0){
+ constraints.relativePlacementConstraint = undefined;
+ }
+ }
+ }
+ });
+ }
+ constraintListTable.deleteRow(row.rowIndex);
+};
+
+// Clear logs table
+let clearConstraintListTable = function() {
+ if (constraintListTable.rows.length > 1) {
+ let length = constraintListTable.rows.length;
+ for (let i = 0; i < length - 1; i++) {
+ constraintListTable.deleteRow(1);
+ }
+ }
+};
+
+let fillConstraintListTableFromConstraints = function () {
+ if(constraints.fixedNodeConstraint){
+ constraints.fixedNodeConstraint.forEach(function(constraint){
+ addToHistory("Fixed", [constraint.nodeId], constraint.position);
+ });
+ }
+ if(constraints.alignmentConstraint){
+ if(constraints.alignmentConstraint.vertical){
+ constraints.alignmentConstraint.vertical.forEach(function(item){
+ addToHistory("Alignment", item, 'vertical');
+ });
+ }
+ if(constraints.alignmentConstraint.horizontal){
+ constraints.alignmentConstraint.horizontal.forEach(function(item){
+ addToHistory("Alignment", item, 'horizontal');
+ });
+ }
+ }
+ if(constraints.relativePlacementConstraint){
+ constraints.relativePlacementConstraint.forEach(function(constraint){
+ if(constraint.left)
+ addToHistory("Relative", [constraint.left, constraint.right], 'l-r - ' + (constraint.gap ? parseInt(constraint.gap) : parseInt(cy.getElementById(constraint.left).width()/2 + cy.getElementById(constraint.right).width()/2 + 50)));
+ else
+ addToHistory("Relative", [constraint.top, constraint.bottom], 't-b - ' + (constraint.gap ? parseInt(constraint.gap) : parseInt(cy.getElementById(constraint.top).height()/2 + cy.getElementById(constraint.bottom).height()/2 + 50)));
+ });
+
+ }
+};
+
+//// Samples
+let elements1 = {
+ nodes: [
+ {data: {id: 'n1'}},
+ {data: {id: 'n2'}},
+ {data: {id: 'n3', parent: 'n8'}},
+ {data: {id: 'n5'}},
+ {data: {id: 'n6', parent: 'n8'}},
+ {data: {id: 'n7', parent: 'n8'}},
+ {data: {id: 'n8'}},
+ {data: {id: 'f1'}, classes: ['fixed']},
+ {data: {id: 'f2'}, classes: ['fixed']},
+ {data: {id: 'f3', parent: 'n8'}, classes: ['fixed']},
+ ],
+ edges: [
+ {data: {source: 'n1', target: 'f1'}},
+ {data: {source: 'n1', target: 'n3'}},
+ {data: {source: 'f1', target: 'n2'}},
+ {data: {source: 'f1', target: 'n3'}},
+ {data: {source: 'n3', target: 'f2'}},
+ {data: {source: 'f2', target: 'n5'}},
+ {data: {source: 'n5', target: 'n8'}},
+ {data: {source: 'n6', target: 'n3'}},
+ {data: {source: 'n6', target: 'n7'}},
+ {data: {source: 'n6', target: 'f3'}}
+ ]
+};
+
+let elements2 = {
+ nodes: [
+ {data: {id: 'n1', parent: 'n6'}},
+ {data: {id: 'n2', parent: 'n6'}},
+ {data: {id: 'n3'}},
+ {data: {id: 'n4'}},
+ {data: {id: 'n5', parent: 'n8'}},
+ {data: {id: 'n6'}},
+ {data: {id: 'n7'}},
+ {data: {id: 'n8'}},
+ {data: {id: 'v1', parent: 'n6'}, classes: ['alignment']},
+ {data: {id: 'v2'}, classes: ['alignment']},
+ {data: {id: 'v3', parent: 'n8'}, classes: ['alignment']},
+ {data: {id: 'v4', parent: 'n8'}, classes: ['alignment']},
+ {data: {id: 'v5', parent: 'n5'}, classes: ['alignment']},
+ {data: {id: 'h1'}, classes: ['alignment']},
+ {data: {id: 'h2'}, classes: ['alignment']},
+ {data: {id: 'h3'}, classes: ['alignment']},
+ {data: {id: 'h4', parent: 'n7'}, classes: ['alignment']},
+ {data: {id: 'h5', parent: 'n7'}, classes: ['alignment']},
+ {data: {id: 'vh1', parent: 'n6'}, classes: ['alignment']},
+ {data: {id: 'vh2', parent: 'n5'}, classes: ['alignment']}
+ ],
+ edges: [
+ {data: {source: 'v1', target: 'vh1'}},
+ {data: {source: 'v1', target: 'n1'}},
+ {data: {source: 'n1', target: 'n2'}},
+ {data: {source: 'n2', target: 'vh1'}},
+ {data: {source: 'n6', target: 'h1'}},
+ {data: {source: 'h1', target: 'h2'}},
+ {data: {source: 'n6', target: 'n3'}},
+ {data: {source: 'n3', target: 'v2'}},
+ {data: {source: 'n3', target: 'h4'}},
+ {data: {source: 'h4', target: 'h5'}},
+ {data: {source: 'h4', target: 'v3'}},
+ {data: {source: 'v3', target: 'v4'}},
+ {data: {source: 'v3', target: 'n5'}},
+ {data: {source: 'v5', target: 'vh2'}},
+ {data: {source: 'v3', target: 'n4'}},
+ {data: {source: 'h3', target: 'n8'}},
+ {data: {source: 'n4', target: 'h3'}}
+ ]
+};
+
+let elements3 = {
+ nodes: [
+ {data: {id: 'r1', parent: 'n8'}, classes: ['relative']},
+ {data: {id: 'r2', parent: 'n8'}, classes: ['relative']},
+ {data: {id: 'r3', parent: 'n8'}, classes: ['relative']},
+ {data: {id: 'r4'}, classes: ['relative']},
+ {data: {id: 'r5'}, classes: ['relative']},
+ {data: {id: 'r6', parent: 'n7'}, classes: ['relative']},
+ {data: {id: 'r7', parent: 'n10'}, classes: ['relative']},
+ {data: {id: 'r8', parent: 'n10'}, classes: ['relative']},
+ {data: {id: 'n1', parent: 'n7'}},
+ {data: {id: 'n2'}},
+ {data: {id: 'n3'}},
+ {data: {id: 'n4'}},
+ {data: {id: 'n5'}},
+ {data: {id: 'n6'}},
+ {data: {id: 'n7', parent: 'n10'}},
+ {data: {id: 'n8'}},
+ {data: {id: 'n9'}},
+ {data: {id: 'n10'}}
+ ],
+ edges: [
+ {data: {source: 'r6', target: 'n1'}},
+ {data: {source: 'r6', target: 'n3'}},
+ {data: {source: 'n1', target: 'r8'}},
+ {data: {source: 'n1', target: 'r5'}},
+ {data: {source: 'n1', target: 'r7'}},
+ {data: {source: 'n2', target: 'n3'}},
+ {data: {source: 'n2', target: 'r2'}},
+ {data: {source: 'n2', target: 'n4'}},
+ {data: {source: 'r5', target: 'n5'}},
+ {data: {source: 'r5', target: 'n6'}},
+ {data: {source: 'r2', target: 'r1'}},
+ {data: {source: 'r2', target: 'r3'}},
+ {data: {source: 'n7', target: 'n9'}},
+ {data: {source: 'n5', target: 'n6'}},
+ {data: {source: 'n5', target: 'r4'}}
+ ]
+};
+
+let elements4 = [
+ {group: 'nodes', data: {id: 'n1'}},
+ {group: 'nodes', data: {id: 'n2'}},
+ {group: 'nodes', data: {id: 'n3'}},
+ {group: 'nodes', data: {id: 'n4'}},
+ {group: 'nodes', data: {id: 'n5'}},
+ {group: 'nodes', data: {id: 'n6', parent: 'n24'}},
+ {group: 'nodes', data: {id: 'n7', parent: 'n24'}},
+ {group: 'nodes', data: {id: 'n8', parent: 'n24'}},
+ {group: 'nodes', data: {id: 'n9'}},
+ {group: 'nodes', data: {id: 'n10', parent: 'n28'}},
+ {group: 'nodes', data: {id: 'n11', parent: 'n28'}},
+ {group: 'nodes', data: {id: 'n12', parent: 'n28'}},
+ {group: 'nodes', data: {id: 'n13', parent: 'n28'}},
+ {group: 'nodes', data: {id: 'n14', parent: 'n28'}},
+ {group: 'nodes', data: {id: 'n15'}},
+ {group: 'nodes', data: {id: 'n16'}},
+ {group: 'nodes', data: {id: 'n17'}},
+ {group: 'nodes', data: {id: 'n18'}},
+ {group: 'nodes', data: {id: 'n19'}},
+ {group: 'nodes', data: {id: 'n20', parent: 'n26'}},
+ {group: 'nodes', data: {id: 'n21', parent: 'n26'}},
+ {group: 'nodes', data: {id: 'n22', parent: 'n27'}},
+ {group: 'nodes', data: {id: 'n23', parent: 'n25'}},
+ {group: 'nodes', data: {id: 'n24'}},
+ {group: 'nodes', data: {id: 'n25'}},
+ {group: 'nodes', data: {id: 'n26', parent: 'n30'}},
+ {group: 'nodes', data: {id: 'n27', parent: 'n29'}},
+ {group: 'nodes', data: {id: 'n28', parent: 'n29'}},
+ {group: 'nodes', data: {id: 'n29', parent: 'n30'}},
+ {group: 'nodes', data: {id: 'n30'}},
+ {group: 'nodes', data: {id: 'f1', parent: 'n29'}, classes: ['fixed']},
+ {group: 'nodes', data: {id: 'f2', parent: 'n28'}, classes: ['fixed']},
+ {group: 'nodes', data: {id: 'h1'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'h2'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'h3'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'v1', parent: 'n24'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'v2', parent: 'n25'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'v3'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'v4'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'h4r'}, classes: ['alignment']},
+ {group: 'nodes', data: {id: 'r1', parent: 'n29'}, classes: ['relative']},
+ {group: 'nodes', data: {id: 'r2', parent: 'n29'}, classes: ['relative']},
+ {group: 'nodes', data: {id: 'r3'}, classes: ['relative']},
+ {group: 'edges', data: {id: 'e2', source: 'n2', target: 'n3'}},
+ {group: 'edges', data: {id: 'e3', source: 'n1', target: 'n2'}},
+ {group: 'edges', data: {id: 'e4', source: 'n3', target: 'v1'}},
+ {group: 'edges', data: {id: 'e5', source: 'n2', target: 'v1'}},
+ {group: 'edges', data: {id: 'e6', source: 'v1', target: 'n4'}},
+// {group: 'edges', data: {id: 'e7', source: 'n5', target: 'n6'}},
+ {group: 'edges', data: {id: 'e8', source: 'v1', target: 'n5'}},
+ {group: 'edges', data: {id: 'e9', source: 'v1', target: 'n6'}},
+ {group: 'edges', data: {id: 'e10', source: 'v1', target: 'n7'}},
+// {group: 'edges', data: {id: 'e11', source: 'n3', target: 'n9'}},
+ {group: 'edges', data: {id: 'e12', source: 'n6', target: 'n8'}},
+ {group: 'edges', data: {id: 'e13', source: 'h1', target: 'n16'}},
+ { group:'edges', data:{ id: 'e14', source: 'v2', target: 'n23'} },
+ {group: 'edges', data: {id: 'e15', source: 'n16', target: 'n15'}},
+ {group: 'edges', data: {id: 'e16', source: 'n16', target: 'h2'}},
+ {group: 'edges', data: {id: 'e17', source: 'n15', target: 'n17'}},
+ {group: 'edges', data: {id: 'e18', source: 'h3', target: 'v3'}},
+ {group: 'edges', data: {id: 'e19', source: 'v3', target: 'n18'}},
+ {group: 'edges', data: {id: 'e20', source: 'n17', target: 'n19'}},
+ {group: 'edges', data: {id: 'e21', source: 'n18', target: 'n19'}},
+ {group: 'edges', data: {id: 'e22', source: 'h2', target: 'n19'}},
+ {group: 'edges', data: {id: 'e23', source: 'n19', target: 'h3'}},
+ {group: 'edges', data: {id: 'e25', source: 'v4', target: 'n20'}},
+ {group: 'edges', data: {id: 'e26', source: 'n20', target: 'n21'}},
+ {group: 'edges', data: {id: 'e27', source: 'n25', target: 'f1'}},
+ {group: 'edges', data: {id: 'e29', source: 'f1', target: 'n26'}},
+ {group: 'edges', data: {id: 'e30', source: 'f1', target: 'r2'}},
+ {group: 'edges', data: {id: 'e31', source: 'f1', target: 'r1'}},
+ {group: 'edges', data: {id: 'e33', source: 'h3', target: 'v2'}},
+ {group: 'edges', data: {id: 'e35', source: 'f2', target: 'n11'}},
+ {group: 'edges', data: {id: 'e36', source: 'f2', target: 'n10'}},
+ {group: 'edges', data: {id: 'e37', source: 'n11', target: 'n10'}},
+ {group: 'edges', data: {id: 'e38', source: 'n12', target: 'n13'}},
+ {group: 'edges', data: {id: 'e39', source: 'n12', target: 'n14'}},
+ {group: 'edges', data: {id: 'e40', source: 'h2', target: 'n27'}},
+ {group: 'edges', data: {id: 'e41', source: 'n9', target: 'r3'}},
+ {group: 'edges', data: {id: 'e42', source: 'n9', target: 'h4r'}},
+ {group: 'edges', data: {id: 'e43', source: 'r3', target: 'h4r'}},
+ {group: 'edges', data: {id: 'e44', source: 'n11', target: 'r3'}},
+ {group: 'edges', data: {id: 'e45', source: 'n14', target: 'r3'}}
+];
+
+let elements5 = {
+ nodes: [
+ {data: {id: 'r1'}, classes: ['relative'], position:{x:318, y:150}},
+ {data: {id: 'r2'}, classes: ['relative'], position:{x:413, y:148}},
+ {data: {id: 'r3'}, classes: ['relative'], position:{x:128, y:-151}},
+ {data: {id: 'r4'}, classes: ['relative'], position:{x:132, y:-38}},
+ {data: {id: 'f1v', parent: 'n8'}, classes: ['fixed'], position:{x:-79, y:276}},
+ {data: {id: 'f2h', parent: 'n6'}, classes: ['fixed'], position:{x:96, y:82}},
+ {data: {id: 'v1', parent: 'n5'}, classes: ['alignment'], position:{x:-290, y:153}},
+ {data: {id: 'v2', parent: 'n5'}, classes: ['alignment'], position:{x:-197, y:152}},
+ {data: {id: 'v3', parent: 'n8'}, classes: ['alignment'], position:{x:-85, y:177}},
+ {data: {id: 'h1', parent: 'n7'}, classes: ['alignment'], position:{x:1, y:-9}},
+ {data: {id: 'h2', parent: 'n7'}, classes: ['alignment'], position:{x:0, y:-104}},
+ {data: {id: 'n0', parent: 'n6'}, position:{x:186, y:219}},
+ {data: {id: 'n1', parent: 'n6'}, position:{x:197, y:122}},
+ {data: {id: 'n2', parent: 'n6'}, position:{x:93, y:186}},
+ {data: {id: 'n3'}, position:{x:-267, y:20}},
+ {data: {id: 'n4'}, position:{x:-167, y:-10}},
+ {data: {id: 'n5', parent: 'n8'}},
+ {data: {id: 'n6'}},
+ {data: {id: 'n7'}},
+ {data: {id: 'n8'}}
+ ],
+ edges: [
+ {data: {source: 'n0', target: 'n1'}},
+ {data: {source: 'n0', target: 'n2'}},
+ {data: {source: 'n6', target: 'r1'}},
+ {data: {source: 'n1', target: 'f2h'}},
+ {data: {source: 'r1', target: 'r2'}},
+ {data: {source: 'n2', target: 'f2h'}},
+ {data: {source: 'n6', target: 'r4'}},
+ {data: {source: 'n3', target: 'n4'}},
+ {data: {source: 'n3', target: 'n8'}},
+ {data: {source: 'n4', target: 'v3'}},
+ {data: {source: 'r4', target: 'h1'}},
+ {data: {source: 'r4', target: 'r3'}},
+ {data: {source: 'h1', target: 'h2'}},
+ {data: {source: 'v1', target: 'v2'}},
+ {data: {source: 'v3', target: 'n5'}},
+ {data: {source: 'h1', target: 'v3'}},
+ {data: {source: 'v3', target: 'f1v'}}
+ ]
+};
+
+let elements5_positions = [
+ {x:318, y:150},
+ {x:413, y:148},
+ {x:128, y:-151},
+ {x:132, y:-38},
+ {x:-79, y:276},
+ {x:96, y:82},
+ {x:-290, y:153},
+ {x:-197, y:152},
+ {x:-85, y:177},
+ {x:1, y:-9},
+ {x:0, y:-104},
+ {x:186, y:219},
+ {x:197, y:122},
+ {x:93, y:186},
+ {x:-267, y:20},
+ {x:-167, y:-10},
+ {x:318, y:150},
+ {x:318, y:150}
+];
+
+let sample1_constraints = {
+ "fixedNodeConstraint": [
+ {
+ "nodeId": "f1",
+ "position": {
+ "x": -150,
+ "y": -100
+ }
+ },
+ {
+ "nodeId": "f2",
+ "position": {
+ "x": -50,
+ "y": -150
+ }
+ },
+ {
+ "nodeId": "f3",
+ "position": {
+ "x": 100,
+ "y": 150
+ }
+ }
+ ]
+};
+
+let sample2_constraints = {
+ "alignmentConstraint": {
+ "vertical": [
+ [
+ "v1",
+ "v2",
+ "vh1"
+ ],
+ [
+ "v3",
+ "v4",
+ "v5",
+ "vh2"
+ ]
+ ],
+ "horizontal": [
+ [
+ "h1",
+ "h2",
+ "h3"
+ ],
+ [
+ "h4",
+ "h5",
+ "vh1",
+ "vh2"
+ ]
+ ]
+ }
+};
+
+let sample3_constraints = {
+ "relativePlacementConstraint": [
+ {
+ "left": "r1",
+ "right": "r2",
+ "gap": 100
+ },
+ {
+ "top": "r1",
+ "bottom": "r2",
+ "gap": 100
+ },
+ {
+ "left": "r2",
+ "right": "r3",
+ "gap": 200
+ },
+ {
+ "top": "r4",
+ "bottom": "r5",
+ "gap": 150
+ },
+ {
+ "left": "r6",
+ "right": "r7",
+ "gap": 150
+ },
+ {
+ "top": "r8",
+ "bottom": "r7",
+ "gap": 100
+ }
+ ]
+};
+
+let sample4_constraints = {
+ "fixedNodeConstraint": [
+ {
+ "nodeId": "f1",
+ "position": {
+ "x": -100,
+ "y": 0
+ }
+ },
+ {
+ "nodeId": "f2",
+ "position": {
+ "x": 300,
+ "y": 0
+ }
+ }
+ ],
+ "alignmentConstraint": {
+ "horizontal": [
+ [
+ "h1",
+ "h2",
+ "h3",
+ "h4r"
+ ]
+ ],
+ "vertical": [
+ [
+ "v1",
+ "v2",
+ "v3",
+ "v4"
+ ]
+ ]
+ },
+ "relativePlacementConstraint": [
+ {
+ "top": "r1",
+ "bottom": "r2",
+ "gap": 150
+ },
+ {
+ "left": "r3",
+ "right": "h4r",
+ "gap": 150
+ }
+ ]
+};
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/demo-constraint.html b/tools/ui/node_modules/cytoscape-fcose/demo/demo-constraint.html
new file mode 100644
index 0000000000000000000000000000000000000000..be11614ff1e56a06f9632790ec8ec3371d792bd9
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/demo-constraint.html
@@ -0,0 +1,345 @@
+
+
+
+
+
+ cytoscape-fcose.js demo
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ cytoscape-fcose demo (constraint)
+
+
+
+
 
+
+ sample1 - fixed
+ sample2 - alignment
+ sample3 - relative
+ sample4 - hybrid
+ sample5
+ unix-family-tree
+ chalk-dependency
+ UW-sensor-network
+ python-call-graph
+ wireless-sensor-network
+
+
+
+
+
+
+
Randomize  
+
fCoSE  
+
+
+
+ Incremental
+
+
Draft  
+
Transform  
+
Enforce  
+
CoSE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Hover a constraint row to see involved nodes.
+
+
+ Type
+ Nodes
+ Info
+
+
+
+
+
+
+
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/demo.gif b/tools/ui/node_modules/cytoscape-fcose/demo/demo.gif
new file mode 100644
index 0000000000000000000000000000000000000000..70a2dc9d537e4da4e40909148a799780cbfbfcd8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/demo.gif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32ccf57a67f9ad911a0d5402de10e2aaf7a9024ae920fafb618d1f6fdf9d5c07
+size 4631886
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/demo.html b/tools/ui/node_modules/cytoscape-fcose/demo/demo.html
new file mode 100644
index 0000000000000000000000000000000000000000..0ba21eb7e89cd6478bf3679f48573ac63656bb18
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/demo.html
@@ -0,0 +1,457 @@
+
+
+
+
+
+ cytoscape-fcose.js demo
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ cytoscape-fcose demo
+
+
Randomize  
+
fCoSE  
+
+
+
+
+
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/incrementalConstraints.gif b/tools/ui/node_modules/cytoscape-fcose/demo/incrementalConstraints.gif
new file mode 100644
index 0000000000000000000000000000000000000000..3badcabba668322a5fe2dcb9ee12fbac42c0ab69
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/incrementalConstraints.gif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d4ccc47d99e7f7801353c372ab17331643dc374831e557b673547d75437ec203
+size 3175063
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/callGraph.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/callGraph.js
new file mode 100644
index 0000000000000000000000000000000000000000..b871f9fb4455703457ae3ad8d2fd96fdb393a270
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/callGraph.js
@@ -0,0 +1,1616 @@
+call_graph = {
+ "elements": {
+ "nodes": [
+ {
+ "data": {
+ "id": "nwtN_6edbfba5-6884-4f26-868f-18bc2481616e",
+ "bbox": {
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+ "y": 153.7561581259744,
+ "w": 91.52294921875,
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+ "minWidthBiasLeft": 0.00005,
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+ "minHeightBiasTop": 0.00005,
+ "minHeightBiasBottom": 0.00005,
+ "originalW": 119.52294921875,
+ "originalH": 78.25,
+ "class": "compartment",
+ "label": "__main__",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 3.25,
+ "border-color": "#555555",
+ "background-color": "#ffffff",
+ "background-opacity": 0.5,
+ "background-image-opacity": 1,
+ "text-wrap": "wrap",
+ "font-size": 14,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000",
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+ "ports": [],
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 1048.6375489786594,
+ "y": 153.7561581259744
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
+ "id": "nwtN_6e27959a-ae83-4cb0-898f-9a1e6c5cafae",
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+ "w": 88.27294921875,
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+ "label": "main\ncalls: 1\ntime: 0.000000s",
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+ "font-family": "Helvetica",
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+ {
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diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/callGraph_constraints.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/callGraph_constraints.js
new file mode 100644
index 0000000000000000000000000000000000000000..aae3aed9c0d1781772a9159c9123c57732a636f1
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/callGraph_constraints.js
@@ -0,0 +1,123 @@
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diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/chalk.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/chalk.js
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diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/chalk_constraints.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/chalk_constraints.js
new file mode 100644
index 0000000000000000000000000000000000000000..d5ae06d955eed4acaf4a3ecfddf1235ad7dba661
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/chalk_constraints.js
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index 0000000000000000000000000000000000000000..b2d6ca6d0643a3c90917e197ce37cb86ce2b5287
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+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
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+ "class": "production",
+ "bendPointPositions": [],
+ "language": "PD",
+ "line-color": "#555555",
+ "width": 1.25,
+ "cardinality": 0,
+ "source": "nwtN_8ed84db0-02da-43c6-847c-6b33f657f52c",
+ "target": "nwtN_6385f491-0d09-4d53-a34c-781a861e8b42",
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+ "porttarget": "nwtN_6385f491-0d09-4d53-a34c-781a861e8b42"
+ },
+ "position": {},
+ "group": "edges",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
+ "id": "nwtE_1b3ef389-19ea-4bf6-b664-ec393b397649",
+ "class": "production",
+ "bendPointPositions": [],
+ "language": "PD",
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+ "width": 1.25,
+ "cardinality": 0,
+ "source": "nwtN_6385f491-0d09-4d53-a34c-781a861e8b42",
+ "target": "nwtN_88e20782-9221-4b12-9b62-6a6c7116a70f",
+ "portsource": "nwtN_6385f491-0d09-4d53-a34c-781a861e8b42",
+ "porttarget": "nwtN_88e20782-9221-4b12-9b62-6a6c7116a70f"
+ },
+ "position": {},
+ "group": "edges",
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+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ }
+ ]
+ },
+ "style": [
+ {
+ "selector": "node",
+ "style": {
+ "shape": "rectangle",
+ "text-halign": "center",
+ "text-valign": "center",
+ "background-color": "#b2dfee",
+ "opacity": "1",
+ "border-color": "#555555"
+ }
+ },
+ {
+ "selector": "node[class = 'simple chemical']",
+ "style": {
+ "shape": "ellipse"
+ }
+ },
+ {
+ "selector": "node[class = 'macromolecule']",
+ "style": {
+ "shape": "roundrectangle"
+ }
+ },
+ {
+ "selector": "node[class = 'unspecified entity']",
+ "style": {
+ "shape": "ellipse"
+ }
+ },
+ {
+ "selector": ":parent",
+ "style": {
+ "background-opacity": "0.333",
+ "text-valign": "bottom",
+ "shape": "barrel",
+ "text-margin-y": "2px",
+ "font-weight" : "bold",
+ "border-color": "#555555"
+ }
+ },
+ {
+ "selector": "node:selected",
+ "style": {
+ "background-color": "#33ff00",
+ "border-color": "#22ee00"
+ }
+ },
+ {
+ "selector": "edge",
+ "style": {
+ "curve-style": "bezier",
+ "width": "2px",
+ "line-color": "rgb(58,126,207)",
+ "opacity": "1",
+ "target-arrow-shape": "triangle",
+ "target-arrow-color": "rgb(58,126,207)"
+ }
+ },
+ {
+ "selector": "edge:selected",
+ "style": {
+ "line-color": "#33ff00",
+ "font-size": "13px",
+ "text-opacity": "1",
+ "text-rotation": "autorotate",
+ "color": "#33ff00",
+ "font-weight": "bold",
+ "text-background-shape": "roundrectangle",
+ "text-background-opacity": "1",
+ "text-background-padding": "2px",
+ "target-arrow-shape": "triangle",
+ "target-arrow-color": "#33ff00"
+ }
+ }
+ ],
+ "zoomingEnabled": true,
+ "userZoomingEnabled": true,
+ "zoom": 0.8336504719979256,
+ "minZoom": 0.125,
+ "maxZoom": 16,
+ "panningEnabled": true,
+ "userPanningEnabled": true,
+ "pan": {
+ "x": -17.245693955834554,
+ "y": -155.00970669805537
+ },
+ "boxSelectionEnabled": true,
+ "renderer": {
+ "name": "canvas"
+ },
+ "wheelSensitivity": 0.1,
+ "motionBlur": true
+}
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/unix_constraints.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/unix_constraints.js
new file mode 100644
index 0000000000000000000000000000000000000000..286d2da85cc6850fa2aadcea519d2e86aacf9852
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/unix_constraints.js
@@ -0,0 +1,249 @@
+unix_constraints = {
+ "relativePlacementConstraint": [
+ {
+ "top": "nwtN_4451c335-4668-4f8d-9f71-274aa2e6ab06",
+ "bottom": "nwtN_8d99e7af-1b2f-4605-a381-ce3127b6199a",
+ "gap": 76.25
+ },
+ {
+ "top": "nwtN_4451c335-4668-4f8d-9f71-274aa2e6ab06",
+ "bottom": "nwtN_37220ed2-0cbe-4d1f-9cac-07dfb11d6eda",
+ "gap": 76.25
+ },
+ {
+ "top": "nwtN_8d99e7af-1b2f-4605-a381-ce3127b6199a",
+ "bottom": "nwtN_020b84b2-717f-4465-b716-7520e5c9c470",
+ "gap": 76.25
+ },
+ {
+ "top": "nwtN_8d99e7af-1b2f-4605-a381-ce3127b6199a",
+ "bottom": "nwtN_c1880331-8411-443e-9218-87e78c057b22",
+ "gap": 76.25
+ },
+ {
+ "top": "nwtN_8d99e7af-1b2f-4605-a381-ce3127b6199a",
+ "bottom": "nwtN_3f3b6234-e449-44bb-9ba8-059d1f843c98",
+ "gap": 76.25
+ },
+ {
+ "top": "nwtN_8d99e7af-1b2f-4605-a381-ce3127b6199a",
+ "bottom": "nwtN_d7bbe746-9028-4268-a642-70544788d687",
+ "gap": 76.25
+ },
+ {
+ "top": "nwtN_8d99e7af-1b2f-4605-a381-ce3127b6199a",
+ "bottom": "nwtN_5bb0a938-c7ee-42d8-85c8-17bdc1ff0ade",
+ "gap": 76.25
+ },
+ {
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+ "bottom": "nwtN_8227939a-5dc0-433e-8c4d-987ec44a1f8f",
+ "gap": 76.25
+ },
+ {
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+ "bottom": "nwtN_3f7d61be-a016-4383-9b8d-8c1db26192f2",
+ "gap": 76.25
+ },
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+ "bottom": "nwtN_166d8364-fd55-499e-9098-0a48db6615c1",
+ "gap": 76.25
+ },
+ {
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+ "bottom": "nwtN_167a075d-9d93-49d0-b5be-446efebec06c",
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+ "gap": 76.25
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+ },
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+ "gap": 76.25
+ },
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+ "bottom": "nwtN_db35fc70-2b89-4857-acb2-9dd545e61447",
+ "gap": 76.25
+ },
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+ "bottom": "nwtN_db35fc70-2b89-4857-acb2-9dd545e61447",
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+ "gap": 76.25
+ }
+ ]
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/uwsn.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/uwsn.js
new file mode 100644
index 0000000000000000000000000000000000000000..11a0f5e6503d11d2fb497c6484d74e77b1749bcf
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/uwsn.js
@@ -0,0 +1,2303 @@
+uwsn = {
+ "elements": {
+ "nodes": [
+ {
+ "data": {
+ "id": "nwtN_91cff953-5f55-4626-96fa-e2f675e13e54",
+ "bbox": {
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+ "y": 230.06625595029607,
+ "w": 140,
+ "h": 75
+ },
+ "class": "nucleic acid feature",
+ "label": "Surface\nBuoy 1",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 1.25,
+ "border-color": "#555555",
+ "background-color": "#f4a582",
+ "background-opacity": 1,
+ "background-image-opacity": 1,
+ "text-wrap": "wrap",
+ "font-size": 26,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000000",
+ "background-image": "",
+ "ports": [],
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 155.38677910343796,
+ "y": 230.06625595029607
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
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+ "bbox": {
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+ "y": 223.74407633970037,
+ "w": 140,
+ "h": 75
+ },
+ "class": "nucleic acid feature",
+ "label": "Surface\nBuoy 2",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 1.25,
+ "border-color": "#555555",
+ "background-color": "#f4a582",
+ "background-opacity": 1,
+ "background-image-opacity": 1,
+ "text-wrap": "wrap",
+ "font-size": 26,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000000",
+ "background-image": "",
+ "ports": [],
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 584.0229153054016,
+ "y": 223.74407633970037
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
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+ "bbox": {
+ "x": 964.8261492755391,
+ "y": 225.00851226181948,
+ "w": 140,
+ "h": 75
+ },
+ "class": "nucleic acid feature",
+ "label": "Surface\nBuoy 3",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 1.25,
+ "border-color": "#555555",
+ "background-color": "#f4a582",
+ "background-opacity": 1,
+ "background-image-opacity": 1,
+ "text-wrap": "wrap",
+ "font-size": 26,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000000",
+ "background-image": "",
+ "ports": [],
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 964.8261492755391,
+ "y": 225.00851226181948
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
+ "id": "nwtN_7e09bf9e-a4da-4618-baba-60a2b3a0b134",
+ "bbox": {
+ "x": 149.1895292305374,
+ "y": 445.5622580973788,
+ "w": 140,
+ "h": 75
+ },
+ "class": "unspecified entity",
+ "label": "UW Sink 1",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 1.25,
+ "border-color": "#555555",
+ "background-color": "#f7f7f7",
+ "background-opacity": 1,
+ "background-image-opacity": 1,
+ "text-wrap": "wrap",
+ "font-size": 26,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000000",
+ "background-image": "",
+ "ports": [],
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 149.1895292305374,
+ "y": 445.5622580973788
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
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+ "minZoom": 0.125,
+ "maxZoom": 16,
+ "panningEnabled": true,
+ "userPanningEnabled": true,
+ "pan": {
+ "x": 128.15184671589566,
+ "y": -93.65929006599106
+ },
+ "boxSelectionEnabled": true,
+ "renderer": {
+ "name": "canvas"
+ },
+ "wheelSensitivity": 0.1,
+ "motionBlur": true
+}
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/uwsn_constraints.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/uwsn_constraints.js
new file mode 100644
index 0000000000000000000000000000000000000000..0231cb3f8f14009d9dbd83cc2de340cfee4195c3
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/uwsn_constraints.js
@@ -0,0 +1,88 @@
+uwsn_constraints = {
+ "fixedNodeConstraint": [
+ {
+ "nodeId": "nwtN_91cff953-5f55-4626-96fa-e2f675e13e54",
+ "position": {
+ "x": -650,
+ "y": -230
+ }
+ },
+ {
+ "nodeId": "nwtN_b20cc3f4-dc9c-4031-ac79-df665d4c53cd",
+ "position": {
+ "x": 0,
+ "y": -230
+ }
+ },
+ {
+ "nodeId": "nwtN_5d6f7198-03e4-48e5-9004-919221f87e66",
+ "position": {
+ "x": 650,
+ "y": -230
+ }
+ }
+ ],
+ "alignmentConstraint": {
+ "vertical": [
+ [
+ "nwtN_91cff953-5f55-4626-96fa-e2f675e13e54",
+ "nwtN_7e09bf9e-a4da-4618-baba-60a2b3a0b134"
+ ],
+ [
+ "nwtN_b20cc3f4-dc9c-4031-ac79-df665d4c53cd",
+ "661498c7-ace9-bd34-0289-7c9931d3e1ba"
+ ],
+ [
+ "nwtN_5d6f7198-03e4-48e5-9004-919221f87e66",
+ "aeee80bf-8280-f4ec-c1f3-26f3a7a0651c"
+ ]
+ ]
+ },
+ "relativePlacementConstraint": [
+ {
+ "top": "nwtN_7e09bf9e-a4da-4618-baba-60a2b3a0b134",
+ "bottom": "nwtN_be627c29-b885-460c-bf92-8f9bb7b8c8c5",
+ "gap": 100
+ },
+ {
+ "top": "nwtN_7e09bf9e-a4da-4618-baba-60a2b3a0b134",
+ "bottom": "nwtN_64abed47-d1b1-474c-b944-b9ad6354c086",
+ "gap": 100
+ },
+ {
+ "top": "661498c7-ace9-bd34-0289-7c9931d3e1ba",
+ "bottom": "nwtN_0185dada-235a-4b51-bce7-e8bd3b8ee661",
+ "gap": 100
+ },
+ {
+ "top": "661498c7-ace9-bd34-0289-7c9931d3e1ba",
+ "bottom": "nwtN_273f6927-f05a-425b-aa2b-92de2be06bd9",
+ "gap": 100
+ },
+ {
+ "top": "aeee80bf-8280-f4ec-c1f3-26f3a7a0651c",
+ "bottom": "5c108d5c-88e4-7b97-95a8-67238c33d283",
+ "gap": 100
+ },
+ {
+ "top": "aeee80bf-8280-f4ec-c1f3-26f3a7a0651c",
+ "bottom": "3ea6020e-8918-8abf-a8e5-62427070f84f",
+ "gap": 100
+ },
+ {
+ "top": "nwtN_5d6f7198-03e4-48e5-9004-919221f87e66",
+ "bottom": "aeee80bf-8280-f4ec-c1f3-26f3a7a0651c",
+ "gap": 250
+ },
+ {
+ "top": "nwtN_b20cc3f4-dc9c-4031-ac79-df665d4c53cd",
+ "bottom": "661498c7-ace9-bd34-0289-7c9931d3e1ba",
+ "gap": 250
+ },
+ {
+ "top": "nwtN_91cff953-5f55-4626-96fa-e2f675e13e54",
+ "bottom": "nwtN_7e09bf9e-a4da-4618-baba-60a2b3a0b134",
+ "gap": 250
+ }
+ ]
+}
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/wsn.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/wsn.js
new file mode 100644
index 0000000000000000000000000000000000000000..ca2e615cae2703b9eb615ec21e8df51c5ec8f8f3
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/wsn.js
@@ -0,0 +1,7640 @@
+wsn = {
+ "elements": {
+ "nodes": [
+ {
+ "data": {
+ "id": "86f48f58-145d-92cc-0d33-aaf639984733",
+ "bbox": {
+ "x": 918.6946839627489,
+ "y": 268.1553060642376,
+ "w": 20,
+ "h": 40
+ },
+ "class": "macromolecule",
+ "label": "a6",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 0.000,
+ "border-color": "#555555",
+ "background-color": "#ffffff",
+ "background-opacity": 1,
+ "background-image-opacity": "1 1",
+ "text-wrap": "wrap",
+ "font-size": 11,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000",
+ "background-image": "data:image/png;base64,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",
+ "ports": [],
+ "background-fit": "none",
+ "background-position-x": "50%",
+ "background-position-y": "50%",
+ "background-width": "100%",
+ "background-height": "100%",
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 918.6946839627489,
+ "y": 268.1553060642376
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
+ "id": "67add58f-1a8c-17d9-8cfa-ff468527f6c9",
+ "bbox": {
+ "x": 910.624263262373,
+ "y": 209.60764253071486,
+ "w": 20,
+ "h": 40
+ },
+ "class": "macromolecule",
+ "label": "u1",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 0.001,
+ "border-color": "#555555",
+ "background-color": "#ffffff",
+ "background-opacity": 1,
+ "background-image-opacity": "1 1",
+ "text-wrap": "wrap",
+ "font-size": 11,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000",
+ "background-image": "data:image/png;base64,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",
+ "ports": [],
+ "background-fit": "none",
+ "background-position-x": "50%",
+ "background-position-y": "50%",
+ "background-width": "100%",
+ "background-height": "100%",
+ "infoboxCalculated": true,
+ "auxunitlayouts": {}
+ },
+ "position": {
+ "x": 910.624263262373,
+ "y": 209.60764253071486
+ },
+ "group": "nodes",
+ "removed": false,
+ "selected": false,
+ "selectable": true,
+ "locked": false,
+ "grabbable": true,
+ "classes": ""
+ },
+ {
+ "data": {
+ "id": "7c1292d7-1feb-63b9-65a6-fb9db2547eb3",
+ "bbox": {
+ "x": 777.4499113106275,
+ "y": 242.69847222540457,
+ "w": 20,
+ "h": 40
+ },
+ "class": "macromolecule",
+ "label": "u2",
+ "statesandinfos": [],
+ "language": "PD",
+ "border-width": 0.001,
+ "border-color": "#555555",
+ "background-color": "#ffffff",
+ "background-opacity": 1,
+ "background-image-opacity": "1 1",
+ "text-wrap": "wrap",
+ "font-size": 11,
+ "font-family": "Helvetica",
+ "font-style": "normal",
+ "font-weight": "normal",
+ "color": "#000",
+ "background-image": "data:image/png;base64,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",
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\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/demo/samples/wsn_constraints.js b/tools/ui/node_modules/cytoscape-fcose/demo/samples/wsn_constraints.js
new file mode 100644
index 0000000000000000000000000000000000000000..f1471301c317ead2fb93e1112907d61e221e899c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/demo/samples/wsn_constraints.js
@@ -0,0 +1,102 @@
+wsn_constraints = {
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+ {
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+ "position": {
+ "x": 399,
+ "y": 139
+ }
+ },
+ {
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+ "y": 340
+ }
+ },
+ {
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+ "position": {
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+ "y": 288
+ }
+ },
+ {
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+ "y": 518
+ }
+ },
+ {
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+ "y": -37
+ }
+ },
+ {
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+ "y": 280
+ }
+ },
+ {
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+ "position": {
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+ "y": 205
+ }
+ },
+ {
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+ "position": {
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+ "y": 407
+ }
+ },
+ {
+ "nodeId": "a97f8f48-6652-7e09-8eda-2d87eae7d20b",
+ "position": {
+ "x": 323,
+ "y": 330
+ }
+ },
+ {
+ "nodeId": "889eedb3-8cb8-b906-8beb-904cd499c4f6",
+ "position": {
+ "x": 892,
+ "y": -55
+ }
+ },
+ {
+ "nodeId": "bd77a77c-4627-ad77-1c5a-2c390ba21959",
+ "position": {
+ "x": 1114,
+ "y": 570
+ }
+ },
+ {
+ "nodeId": "ffbd69bf-481f-faa8-73db-1489f3175b75",
+ "position": {
+ "x": 666,
+ "y": 533
+ }
+ },
+ {
+ "nodeId": "5fdc6150-63bb-18e8-1f03-33bb8d6b7529",
+ "position": {
+ "x": 726,
+ "y": 670
+ }
+ },
+ {
+ "nodeId": "b386ca2b-81a7-e365-4706-f955f13db03f",
+ "position": {
+ "x": 721,
+ "y": -36
+ }
+ }
+ ]
+}
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/.babelrc b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/.babelrc
new file mode 100644
index 0000000000000000000000000000000000000000..002b4aa0d58ec481a2688d3c0b66e9069e5d6adb
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/.babelrc
@@ -0,0 +1,3 @@
+{
+ "presets": ["env"]
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/LICENSE b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..0c3c5fc6b45c755a707d26eca6274306f2e664dd
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 - present, iVis@Bilkent.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/README.md b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..12d045fb0d788c83baca9b926f842aea7fc59769
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/README.md
@@ -0,0 +1,26 @@
+cose-base
+================================================================================
+
+## Description
+
+This is a core module for compound spring embedder based layout styles such as CoSE-Bilkent, fCoSE, and CiSE.
+
+## Dependencies
+
+ * layout-base ^2.0.0
+
+## Usage instructions
+
+Add `cose-base` as a dependecy to your layout extension.
+
+`require()` in the extension to reach functionality:
+
+ * `var CoSEConstants = require('cose-base').CoSEConstants`,
+ * `var CoSELayout = require('cose-base').CoSELayout`,
+ * `...`
+
+To reach functionality of `layout-base`:
+
+ * `var Integer = require('cose-base').layoutBase.Integer`,
+ * `var Layout = require('cose-base').layoutBase.Layout`,
+ * `...`
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/bower.json b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/bower.json
new file mode 100644
index 0000000000000000000000000000000000000000..0eae1f6daccab2ceebf98203c82f9fc88f282054
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/bower.json
@@ -0,0 +1,23 @@
+{
+ "name": "cose-base",
+ "description": "Core module for compound spring embedder based layout styles",
+ "main": "cose-base.js",
+ "dependencies": {
+ "layout-base": "^1.0.0"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/iVis-at-Bilkent/cose-base.git"
+ },
+ "ignore": [
+ "**/.*",
+ "node_modules",
+ "bower_components",
+ "test",
+ "tests"
+ ],
+ "keywords": [
+ "layout"
+ ],
+ "license": "MIT"
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/cose-base.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/cose-base.js
new file mode 100644
index 0000000000000000000000000000000000000000..49ccc6601d1fd74e29bb832c444a15c70aaa7c83
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/cose-base.js
@@ -0,0 +1,3214 @@
+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory(require("layout-base"));
+ else if(typeof define === 'function' && define.amd)
+ define(["layout-base"], factory);
+ else if(typeof exports === 'object')
+ exports["coseBase"] = factory(require("layout-base"));
+ else
+ root["coseBase"] = factory(root["layoutBase"]);
+})(this, function(__WEBPACK_EXTERNAL_MODULE__551__) {
+return /******/ (() => { // webpackBootstrap
+/******/ "use strict";
+/******/ var __webpack_modules__ = ({
+
+/***/ 45:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var coseBase = {};
+
+coseBase.layoutBase = __webpack_require__(551);
+coseBase.CoSEConstants = __webpack_require__(806);
+coseBase.CoSEEdge = __webpack_require__(767);
+coseBase.CoSEGraph = __webpack_require__(880);
+coseBase.CoSEGraphManager = __webpack_require__(578);
+coseBase.CoSELayout = __webpack_require__(765);
+coseBase.CoSENode = __webpack_require__(991);
+coseBase.ConstraintHandler = __webpack_require__(902);
+
+module.exports = coseBase;
+
+/***/ }),
+
+/***/ 806:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var FDLayoutConstants = __webpack_require__(551).FDLayoutConstants;
+
+function CoSEConstants() {}
+
+//CoSEConstants inherits static props in FDLayoutConstants
+for (var prop in FDLayoutConstants) {
+ CoSEConstants[prop] = FDLayoutConstants[prop];
+}
+
+CoSEConstants.DEFAULT_USE_MULTI_LEVEL_SCALING = false;
+CoSEConstants.DEFAULT_RADIAL_SEPARATION = FDLayoutConstants.DEFAULT_EDGE_LENGTH;
+CoSEConstants.DEFAULT_COMPONENT_SEPERATION = 60;
+CoSEConstants.TILE = true;
+CoSEConstants.TILING_PADDING_VERTICAL = 10;
+CoSEConstants.TILING_PADDING_HORIZONTAL = 10;
+CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = true;
+CoSEConstants.ENFORCE_CONSTRAINTS = true;
+CoSEConstants.APPLY_LAYOUT = true;
+CoSEConstants.RELAX_MOVEMENT_ON_CONSTRAINTS = true;
+CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL = true; // this should be set to false if there will be a constraint
+// This constant is for differentiating whether actual layout algorithm that uses cose-base wants to apply only incremental layout or
+// an incremental layout on top of a randomized layout. If it is only incremental layout, then this constant should be true.
+CoSEConstants.PURE_INCREMENTAL = CoSEConstants.DEFAULT_INCREMENTAL;
+
+module.exports = CoSEConstants;
+
+/***/ }),
+
+/***/ 767:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var FDLayoutEdge = __webpack_require__(551).FDLayoutEdge;
+
+function CoSEEdge(source, target, vEdge) {
+ FDLayoutEdge.call(this, source, target, vEdge);
+}
+
+CoSEEdge.prototype = Object.create(FDLayoutEdge.prototype);
+for (var prop in FDLayoutEdge) {
+ CoSEEdge[prop] = FDLayoutEdge[prop];
+}
+
+module.exports = CoSEEdge;
+
+/***/ }),
+
+/***/ 880:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var LGraph = __webpack_require__(551).LGraph;
+
+function CoSEGraph(parent, graphMgr, vGraph) {
+ LGraph.call(this, parent, graphMgr, vGraph);
+}
+
+CoSEGraph.prototype = Object.create(LGraph.prototype);
+for (var prop in LGraph) {
+ CoSEGraph[prop] = LGraph[prop];
+}
+
+module.exports = CoSEGraph;
+
+/***/ }),
+
+/***/ 578:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var LGraphManager = __webpack_require__(551).LGraphManager;
+
+function CoSEGraphManager(layout) {
+ LGraphManager.call(this, layout);
+}
+
+CoSEGraphManager.prototype = Object.create(LGraphManager.prototype);
+for (var prop in LGraphManager) {
+ CoSEGraphManager[prop] = LGraphManager[prop];
+}
+
+module.exports = CoSEGraphManager;
+
+/***/ }),
+
+/***/ 765:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var FDLayout = __webpack_require__(551).FDLayout;
+var CoSEGraphManager = __webpack_require__(578);
+var CoSEGraph = __webpack_require__(880);
+var CoSENode = __webpack_require__(991);
+var CoSEEdge = __webpack_require__(767);
+var CoSEConstants = __webpack_require__(806);
+var ConstraintHandler = __webpack_require__(902);
+var FDLayoutConstants = __webpack_require__(551).FDLayoutConstants;
+var LayoutConstants = __webpack_require__(551).LayoutConstants;
+var Point = __webpack_require__(551).Point;
+var PointD = __webpack_require__(551).PointD;
+var DimensionD = __webpack_require__(551).DimensionD;
+var Layout = __webpack_require__(551).Layout;
+var Integer = __webpack_require__(551).Integer;
+var IGeometry = __webpack_require__(551).IGeometry;
+var LGraph = __webpack_require__(551).LGraph;
+var Transform = __webpack_require__(551).Transform;
+var LinkedList = __webpack_require__(551).LinkedList;
+
+function CoSELayout() {
+ FDLayout.call(this);
+
+ this.toBeTiled = {}; // Memorize if a node is to be tiled or is tiled
+ this.constraints = {}; // keep layout constraints
+}
+
+CoSELayout.prototype = Object.create(FDLayout.prototype);
+
+for (var prop in FDLayout) {
+ CoSELayout[prop] = FDLayout[prop];
+}
+
+CoSELayout.prototype.newGraphManager = function () {
+ var gm = new CoSEGraphManager(this);
+ this.graphManager = gm;
+ return gm;
+};
+
+CoSELayout.prototype.newGraph = function (vGraph) {
+ return new CoSEGraph(null, this.graphManager, vGraph);
+};
+
+CoSELayout.prototype.newNode = function (vNode) {
+ return new CoSENode(this.graphManager, vNode);
+};
+
+CoSELayout.prototype.newEdge = function (vEdge) {
+ return new CoSEEdge(null, null, vEdge);
+};
+
+CoSELayout.prototype.initParameters = function () {
+ FDLayout.prototype.initParameters.call(this, arguments);
+ if (!this.isSubLayout) {
+ if (CoSEConstants.DEFAULT_EDGE_LENGTH < 10) {
+ this.idealEdgeLength = 10;
+ } else {
+ this.idealEdgeLength = CoSEConstants.DEFAULT_EDGE_LENGTH;
+ }
+
+ this.useSmartIdealEdgeLengthCalculation = CoSEConstants.DEFAULT_USE_SMART_IDEAL_EDGE_LENGTH_CALCULATION;
+ this.gravityConstant = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH;
+ this.compoundGravityConstant = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH;
+ this.gravityRangeFactor = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR;
+ this.compoundGravityRangeFactor = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR;
+
+ // variables for tree reduction support
+ this.prunedNodesAll = [];
+ this.growTreeIterations = 0;
+ this.afterGrowthIterations = 0;
+ this.isTreeGrowing = false;
+ this.isGrowthFinished = false;
+ }
+};
+
+// This method is used to set CoSE related parameters used by spring embedder.
+CoSELayout.prototype.initSpringEmbedder = function () {
+ FDLayout.prototype.initSpringEmbedder.call(this);
+
+ // variables for cooling
+ this.coolingCycle = 0;
+ this.maxCoolingCycle = this.maxIterations / FDLayoutConstants.CONVERGENCE_CHECK_PERIOD;
+ this.finalTemperature = 0.04;
+ this.coolingAdjuster = 1;
+};
+
+CoSELayout.prototype.layout = function () {
+ var createBendsAsNeeded = LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED;
+ if (createBendsAsNeeded) {
+ this.createBendpoints();
+ this.graphManager.resetAllEdges();
+ }
+
+ this.level = 0;
+ return this.classicLayout();
+};
+
+CoSELayout.prototype.classicLayout = function () {
+ this.nodesWithGravity = this.calculateNodesToApplyGravitationTo();
+ this.graphManager.setAllNodesToApplyGravitation(this.nodesWithGravity);
+ this.calcNoOfChildrenForAllNodes();
+ this.graphManager.calcLowestCommonAncestors();
+ this.graphManager.calcInclusionTreeDepths();
+ this.graphManager.getRoot().calcEstimatedSize();
+ this.calcIdealEdgeLengths();
+
+ if (!this.incremental) {
+ var forest = this.getFlatForest();
+
+ // The graph associated with this layout is flat and a forest
+ if (forest.length > 0) {
+ this.positionNodesRadially(forest);
+ }
+ // The graph associated with this layout is not flat or a forest
+ else {
+ // Reduce the trees when incremental mode is not enabled and graph is not a forest
+ this.reduceTrees();
+ // Update nodes that gravity will be applied
+ this.graphManager.resetAllNodesToApplyGravitation();
+ var allNodes = new Set(this.getAllNodes());
+ var intersection = this.nodesWithGravity.filter(function (x) {
+ return allNodes.has(x);
+ });
+ this.graphManager.setAllNodesToApplyGravitation(intersection);
+
+ this.positionNodesRandomly();
+ }
+ } else {
+ if (CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL) {
+ // Reduce the trees in incremental mode if only this constant is set to true
+ this.reduceTrees();
+ // Update nodes that gravity will be applied
+ this.graphManager.resetAllNodesToApplyGravitation();
+ var allNodes = new Set(this.getAllNodes());
+ var intersection = this.nodesWithGravity.filter(function (x) {
+ return allNodes.has(x);
+ });
+ this.graphManager.setAllNodesToApplyGravitation(intersection);
+ }
+ }
+
+ if (Object.keys(this.constraints).length > 0) {
+ ConstraintHandler.handleConstraints(this);
+ this.initConstraintVariables();
+ }
+
+ this.initSpringEmbedder();
+ if (CoSEConstants.APPLY_LAYOUT) {
+ this.runSpringEmbedder();
+ }
+
+ return true;
+};
+
+CoSELayout.prototype.tick = function () {
+ this.totalIterations++;
+
+ if (this.totalIterations === this.maxIterations && !this.isTreeGrowing && !this.isGrowthFinished) {
+ if (this.prunedNodesAll.length > 0) {
+ this.isTreeGrowing = true;
+ } else {
+ return true;
+ }
+ }
+
+ if (this.totalIterations % FDLayoutConstants.CONVERGENCE_CHECK_PERIOD == 0 && !this.isTreeGrowing && !this.isGrowthFinished) {
+ if (this.isConverged()) {
+ if (this.prunedNodesAll.length > 0) {
+ this.isTreeGrowing = true;
+ } else {
+ return true;
+ }
+ }
+
+ this.coolingCycle++;
+
+ if (this.layoutQuality == 0) {
+ // quality - "draft"
+ this.coolingAdjuster = this.coolingCycle;
+ } else if (this.layoutQuality == 1) {
+ // quality - "default"
+ this.coolingAdjuster = this.coolingCycle / 3;
+ }
+
+ // cooling schedule is based on http://www.btluke.com/simanf1.html -> cooling schedule 3
+ this.coolingFactor = Math.max(this.initialCoolingFactor - Math.pow(this.coolingCycle, Math.log(100 * (this.initialCoolingFactor - this.finalTemperature)) / Math.log(this.maxCoolingCycle)) / 100 * this.coolingAdjuster, this.finalTemperature);
+ this.animationPeriod = Math.ceil(this.initialAnimationPeriod * Math.sqrt(this.coolingFactor));
+ }
+ // Operations while tree is growing again
+ if (this.isTreeGrowing) {
+ if (this.growTreeIterations % 10 == 0) {
+ if (this.prunedNodesAll.length > 0) {
+ this.graphManager.updateBounds();
+ this.updateGrid();
+ this.growTree(this.prunedNodesAll);
+ // Update nodes that gravity will be applied
+ this.graphManager.resetAllNodesToApplyGravitation();
+ var allNodes = new Set(this.getAllNodes());
+ var intersection = this.nodesWithGravity.filter(function (x) {
+ return allNodes.has(x);
+ });
+ this.graphManager.setAllNodesToApplyGravitation(intersection);
+
+ this.graphManager.updateBounds();
+ this.updateGrid();
+ if (CoSEConstants.PURE_INCREMENTAL) this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL / 2;else this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL;
+ } else {
+ this.isTreeGrowing = false;
+ this.isGrowthFinished = true;
+ }
+ }
+ this.growTreeIterations++;
+ }
+ // Operations after growth is finished
+ if (this.isGrowthFinished) {
+ if (this.isConverged()) {
+ return true;
+ }
+ if (this.afterGrowthIterations % 10 == 0) {
+ this.graphManager.updateBounds();
+ this.updateGrid();
+ }
+ if (CoSEConstants.PURE_INCREMENTAL) this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL / 2 * ((100 - this.afterGrowthIterations) / 100);else this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL * ((100 - this.afterGrowthIterations) / 100);
+ this.afterGrowthIterations++;
+ }
+
+ var gridUpdateAllowed = !this.isTreeGrowing && !this.isGrowthFinished;
+ var forceToNodeSurroundingUpdate = this.growTreeIterations % 10 == 1 && this.isTreeGrowing || this.afterGrowthIterations % 10 == 1 && this.isGrowthFinished;
+
+ this.totalDisplacement = 0;
+ this.graphManager.updateBounds();
+ this.calcSpringForces();
+ this.calcRepulsionForces(gridUpdateAllowed, forceToNodeSurroundingUpdate);
+ this.calcGravitationalForces();
+ this.moveNodes();
+ this.animate();
+
+ return false; // Layout is not ended yet return false
+};
+
+CoSELayout.prototype.getPositionsData = function () {
+ var allNodes = this.graphManager.getAllNodes();
+ var pData = {};
+ for (var i = 0; i < allNodes.length; i++) {
+ var rect = allNodes[i].rect;
+ var id = allNodes[i].id;
+ pData[id] = {
+ id: id,
+ x: rect.getCenterX(),
+ y: rect.getCenterY(),
+ w: rect.width,
+ h: rect.height
+ };
+ }
+
+ return pData;
+};
+
+CoSELayout.prototype.runSpringEmbedder = function () {
+ this.initialAnimationPeriod = 25;
+ this.animationPeriod = this.initialAnimationPeriod;
+ var layoutEnded = false;
+
+ // If aminate option is 'during' signal that layout is supposed to start iterating
+ if (FDLayoutConstants.ANIMATE === 'during') {
+ this.emit('layoutstarted');
+ } else {
+ // If aminate option is 'during' tick() function will be called on index.js
+ while (!layoutEnded) {
+ layoutEnded = this.tick();
+ }
+
+ this.graphManager.updateBounds();
+ }
+};
+
+// overrides moveNodes method in FDLayout
+CoSELayout.prototype.moveNodes = function () {
+ var lNodes = this.getAllNodes();
+ var node;
+
+ // calculate displacement for each node
+ for (var i = 0; i < lNodes.length; i++) {
+ node = lNodes[i];
+ node.calculateDisplacement();
+ }
+
+ if (Object.keys(this.constraints).length > 0) {
+ this.updateDisplacements();
+ }
+
+ // move each node
+ for (var i = 0; i < lNodes.length; i++) {
+ node = lNodes[i];
+ node.move();
+ }
+};
+
+// constraint related methods: initConstraintVariables and updateDisplacements
+
+// initialize constraint related variables
+CoSELayout.prototype.initConstraintVariables = function () {
+ var self = this;
+ this.idToNodeMap = new Map();
+ this.fixedNodeSet = new Set();
+
+ var allNodes = this.graphManager.getAllNodes();
+
+ // fill idToNodeMap
+ for (var i = 0; i < allNodes.length; i++) {
+ var node = allNodes[i];
+ this.idToNodeMap.set(node.id, node);
+ }
+
+ // calculate fixed node weight for given compound node
+ var calculateCompoundWeight = function calculateCompoundWeight(compoundNode) {
+ var nodes = compoundNode.getChild().getNodes();
+ var node;
+ var fixedNodeWeight = 0;
+ for (var i = 0; i < nodes.length; i++) {
+ node = nodes[i];
+ if (node.getChild() == null) {
+ if (self.fixedNodeSet.has(node.id)) {
+ fixedNodeWeight += 100;
+ }
+ } else {
+ fixedNodeWeight += calculateCompoundWeight(node);
+ }
+ }
+ return fixedNodeWeight;
+ };
+
+ if (this.constraints.fixedNodeConstraint) {
+ // fill fixedNodeSet
+ this.constraints.fixedNodeConstraint.forEach(function (nodeData) {
+ self.fixedNodeSet.add(nodeData.nodeId);
+ });
+
+ // assign fixed node weights to compounds if they contain fixed nodes
+ var allNodes = this.graphManager.getAllNodes();
+ var node;
+
+ for (var i = 0; i < allNodes.length; i++) {
+ node = allNodes[i];
+ if (node.getChild() != null) {
+ var fixedNodeWeight = calculateCompoundWeight(node);
+ if (fixedNodeWeight > 0) {
+ node.fixedNodeWeight = fixedNodeWeight;
+ }
+ }
+ }
+ }
+
+ if (this.constraints.relativePlacementConstraint) {
+ var nodeToDummyForVerticalAlignment = new Map();
+ var nodeToDummyForHorizontalAlignment = new Map();
+ this.dummyToNodeForVerticalAlignment = new Map();
+ this.dummyToNodeForHorizontalAlignment = new Map();
+ this.fixedNodesOnHorizontal = new Set();
+ this.fixedNodesOnVertical = new Set();
+
+ // fill maps and sets
+ this.fixedNodeSet.forEach(function (nodeId) {
+ self.fixedNodesOnHorizontal.add(nodeId);
+ self.fixedNodesOnVertical.add(nodeId);
+ });
+
+ if (this.constraints.alignmentConstraint) {
+ if (this.constraints.alignmentConstraint.vertical) {
+ var verticalAlignment = this.constraints.alignmentConstraint.vertical;
+ for (var i = 0; i < verticalAlignment.length; i++) {
+ this.dummyToNodeForVerticalAlignment.set("dummy" + i, []);
+ verticalAlignment[i].forEach(function (nodeId) {
+ nodeToDummyForVerticalAlignment.set(nodeId, "dummy" + i);
+ self.dummyToNodeForVerticalAlignment.get("dummy" + i).push(nodeId);
+ if (self.fixedNodeSet.has(nodeId)) {
+ self.fixedNodesOnHorizontal.add("dummy" + i);
+ }
+ });
+ }
+ }
+ if (this.constraints.alignmentConstraint.horizontal) {
+ var horizontalAlignment = this.constraints.alignmentConstraint.horizontal;
+ for (var i = 0; i < horizontalAlignment.length; i++) {
+ this.dummyToNodeForHorizontalAlignment.set("dummy" + i, []);
+ horizontalAlignment[i].forEach(function (nodeId) {
+ nodeToDummyForHorizontalAlignment.set(nodeId, "dummy" + i);
+ self.dummyToNodeForHorizontalAlignment.get("dummy" + i).push(nodeId);
+ if (self.fixedNodeSet.has(nodeId)) {
+ self.fixedNodesOnVertical.add("dummy" + i);
+ }
+ });
+ }
+ }
+ }
+
+ if (CoSEConstants.RELAX_MOVEMENT_ON_CONSTRAINTS) {
+
+ this.shuffle = function (array) {
+ var j, x, i;
+ for (i = array.length - 1; i >= 2 * array.length / 3; i--) {
+ j = Math.floor(Math.random() * (i + 1));
+ x = array[i];
+ array[i] = array[j];
+ array[j] = x;
+ }
+ return array;
+ };
+
+ this.nodesInRelativeHorizontal = [];
+ this.nodesInRelativeVertical = [];
+ this.nodeToRelativeConstraintMapHorizontal = new Map();
+ this.nodeToRelativeConstraintMapVertical = new Map();
+ this.nodeToTempPositionMapHorizontal = new Map();
+ this.nodeToTempPositionMapVertical = new Map();
+
+ // fill arrays and maps
+ this.constraints.relativePlacementConstraint.forEach(function (constraint) {
+ if (constraint.left) {
+ var nodeIdLeft = nodeToDummyForVerticalAlignment.has(constraint.left) ? nodeToDummyForVerticalAlignment.get(constraint.left) : constraint.left;
+ var nodeIdRight = nodeToDummyForVerticalAlignment.has(constraint.right) ? nodeToDummyForVerticalAlignment.get(constraint.right) : constraint.right;
+
+ if (!self.nodesInRelativeHorizontal.includes(nodeIdLeft)) {
+ self.nodesInRelativeHorizontal.push(nodeIdLeft);
+ self.nodeToRelativeConstraintMapHorizontal.set(nodeIdLeft, []);
+ if (self.dummyToNodeForVerticalAlignment.has(nodeIdLeft)) {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdLeft, self.idToNodeMap.get(self.dummyToNodeForVerticalAlignment.get(nodeIdLeft)[0]).getCenterX());
+ } else {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdLeft, self.idToNodeMap.get(nodeIdLeft).getCenterX());
+ }
+ }
+ if (!self.nodesInRelativeHorizontal.includes(nodeIdRight)) {
+ self.nodesInRelativeHorizontal.push(nodeIdRight);
+ self.nodeToRelativeConstraintMapHorizontal.set(nodeIdRight, []);
+ if (self.dummyToNodeForVerticalAlignment.has(nodeIdRight)) {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdRight, self.idToNodeMap.get(self.dummyToNodeForVerticalAlignment.get(nodeIdRight)[0]).getCenterX());
+ } else {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdRight, self.idToNodeMap.get(nodeIdRight).getCenterX());
+ }
+ }
+
+ self.nodeToRelativeConstraintMapHorizontal.get(nodeIdLeft).push({ right: nodeIdRight, gap: constraint.gap });
+ self.nodeToRelativeConstraintMapHorizontal.get(nodeIdRight).push({ left: nodeIdLeft, gap: constraint.gap });
+ } else {
+ var nodeIdTop = nodeToDummyForHorizontalAlignment.has(constraint.top) ? nodeToDummyForHorizontalAlignment.get(constraint.top) : constraint.top;
+ var nodeIdBottom = nodeToDummyForHorizontalAlignment.has(constraint.bottom) ? nodeToDummyForHorizontalAlignment.get(constraint.bottom) : constraint.bottom;
+
+ if (!self.nodesInRelativeVertical.includes(nodeIdTop)) {
+ self.nodesInRelativeVertical.push(nodeIdTop);
+ self.nodeToRelativeConstraintMapVertical.set(nodeIdTop, []);
+ if (self.dummyToNodeForHorizontalAlignment.has(nodeIdTop)) {
+ self.nodeToTempPositionMapVertical.set(nodeIdTop, self.idToNodeMap.get(self.dummyToNodeForHorizontalAlignment.get(nodeIdTop)[0]).getCenterY());
+ } else {
+ self.nodeToTempPositionMapVertical.set(nodeIdTop, self.idToNodeMap.get(nodeIdTop).getCenterY());
+ }
+ }
+ if (!self.nodesInRelativeVertical.includes(nodeIdBottom)) {
+ self.nodesInRelativeVertical.push(nodeIdBottom);
+ self.nodeToRelativeConstraintMapVertical.set(nodeIdBottom, []);
+ if (self.dummyToNodeForHorizontalAlignment.has(nodeIdBottom)) {
+ self.nodeToTempPositionMapVertical.set(nodeIdBottom, self.idToNodeMap.get(self.dummyToNodeForHorizontalAlignment.get(nodeIdBottom)[0]).getCenterY());
+ } else {
+ self.nodeToTempPositionMapVertical.set(nodeIdBottom, self.idToNodeMap.get(nodeIdBottom).getCenterY());
+ }
+ }
+ self.nodeToRelativeConstraintMapVertical.get(nodeIdTop).push({ bottom: nodeIdBottom, gap: constraint.gap });
+ self.nodeToRelativeConstraintMapVertical.get(nodeIdBottom).push({ top: nodeIdTop, gap: constraint.gap });
+ }
+ });
+ } else {
+ var subGraphOnHorizontal = new Map(); // subgraph from vertical RP constraints
+ var subGraphOnVertical = new Map(); // subgraph from vertical RP constraints
+
+ // construct subgraphs from relative placement constraints
+ this.constraints.relativePlacementConstraint.forEach(function (constraint) {
+ if (constraint.left) {
+ var left = nodeToDummyForVerticalAlignment.has(constraint.left) ? nodeToDummyForVerticalAlignment.get(constraint.left) : constraint.left;
+ var right = nodeToDummyForVerticalAlignment.has(constraint.right) ? nodeToDummyForVerticalAlignment.get(constraint.right) : constraint.right;
+ if (subGraphOnHorizontal.has(left)) {
+ subGraphOnHorizontal.get(left).push(right);
+ } else {
+ subGraphOnHorizontal.set(left, [right]);
+ }
+ if (subGraphOnHorizontal.has(right)) {
+ subGraphOnHorizontal.get(right).push(left);
+ } else {
+ subGraphOnHorizontal.set(right, [left]);
+ }
+ } else {
+ var top = nodeToDummyForHorizontalAlignment.has(constraint.top) ? nodeToDummyForHorizontalAlignment.get(constraint.top) : constraint.top;
+ var bottom = nodeToDummyForHorizontalAlignment.has(constraint.bottom) ? nodeToDummyForHorizontalAlignment.get(constraint.bottom) : constraint.bottom;
+ if (subGraphOnVertical.has(top)) {
+ subGraphOnVertical.get(top).push(bottom);
+ } else {
+ subGraphOnVertical.set(top, [bottom]);
+ }
+ if (subGraphOnVertical.has(bottom)) {
+ subGraphOnVertical.get(bottom).push(top);
+ } else {
+ subGraphOnVertical.set(bottom, [top]);
+ }
+ }
+ });
+
+ // function to construct components from a given graph
+ // also returns an array that keeps whether each component contains fixed node
+ var constructComponents = function constructComponents(graph, fixedNodes) {
+ var components = [];
+ var isFixed = [];
+ var queue = new LinkedList();
+ var visited = new Set();
+ var count = 0;
+
+ graph.forEach(function (value, key) {
+ if (!visited.has(key)) {
+ components[count] = [];
+ isFixed[count] = false;
+ var currentNode = key;
+ queue.push(currentNode);
+ visited.add(currentNode);
+ components[count].push(currentNode);
+
+ while (queue.length != 0) {
+ currentNode = queue.shift();
+ if (fixedNodes.has(currentNode)) {
+ isFixed[count] = true;
+ }
+ var neighbors = graph.get(currentNode);
+ neighbors.forEach(function (neighbor) {
+ if (!visited.has(neighbor)) {
+ queue.push(neighbor);
+ visited.add(neighbor);
+ components[count].push(neighbor);
+ }
+ });
+ }
+ count++;
+ }
+ });
+
+ return { components: components, isFixed: isFixed };
+ };
+
+ var resultOnHorizontal = constructComponents(subGraphOnHorizontal, self.fixedNodesOnHorizontal);
+ this.componentsOnHorizontal = resultOnHorizontal.components;
+ this.fixedComponentsOnHorizontal = resultOnHorizontal.isFixed;
+ var resultOnVertical = constructComponents(subGraphOnVertical, self.fixedNodesOnVertical);
+ this.componentsOnVertical = resultOnVertical.components;
+ this.fixedComponentsOnVertical = resultOnVertical.isFixed;
+ }
+ }
+};
+
+// updates node displacements based on constraints
+CoSELayout.prototype.updateDisplacements = function () {
+ var self = this;
+ if (this.constraints.fixedNodeConstraint) {
+ this.constraints.fixedNodeConstraint.forEach(function (nodeData) {
+ var fixedNode = self.idToNodeMap.get(nodeData.nodeId);
+ fixedNode.displacementX = 0;
+ fixedNode.displacementY = 0;
+ });
+ }
+
+ if (this.constraints.alignmentConstraint) {
+ if (this.constraints.alignmentConstraint.vertical) {
+ var allVerticalAlignments = this.constraints.alignmentConstraint.vertical;
+ for (var i = 0; i < allVerticalAlignments.length; i++) {
+ var totalDisplacementX = 0;
+ for (var j = 0; j < allVerticalAlignments[i].length; j++) {
+ if (this.fixedNodeSet.has(allVerticalAlignments[i][j])) {
+ totalDisplacementX = 0;
+ break;
+ }
+ totalDisplacementX += this.idToNodeMap.get(allVerticalAlignments[i][j]).displacementX;
+ }
+ var averageDisplacementX = totalDisplacementX / allVerticalAlignments[i].length;
+ for (var j = 0; j < allVerticalAlignments[i].length; j++) {
+ this.idToNodeMap.get(allVerticalAlignments[i][j]).displacementX = averageDisplacementX;
+ }
+ }
+ }
+ if (this.constraints.alignmentConstraint.horizontal) {
+ var allHorizontalAlignments = this.constraints.alignmentConstraint.horizontal;
+ for (var i = 0; i < allHorizontalAlignments.length; i++) {
+ var totalDisplacementY = 0;
+ for (var j = 0; j < allHorizontalAlignments[i].length; j++) {
+ if (this.fixedNodeSet.has(allHorizontalAlignments[i][j])) {
+ totalDisplacementY = 0;
+ break;
+ }
+ totalDisplacementY += this.idToNodeMap.get(allHorizontalAlignments[i][j]).displacementY;
+ }
+ var averageDisplacementY = totalDisplacementY / allHorizontalAlignments[i].length;
+ for (var j = 0; j < allHorizontalAlignments[i].length; j++) {
+ this.idToNodeMap.get(allHorizontalAlignments[i][j]).displacementY = averageDisplacementY;
+ }
+ }
+ }
+ }
+
+ if (this.constraints.relativePlacementConstraint) {
+
+ if (CoSEConstants.RELAX_MOVEMENT_ON_CONSTRAINTS) {
+ // shuffle array to randomize node processing order
+ if (this.totalIterations % 10 == 0) {
+ this.shuffle(this.nodesInRelativeHorizontal);
+ this.shuffle(this.nodesInRelativeVertical);
+ }
+
+ this.nodesInRelativeHorizontal.forEach(function (nodeId) {
+ if (!self.fixedNodesOnHorizontal.has(nodeId)) {
+ var displacement = 0;
+ if (self.dummyToNodeForVerticalAlignment.has(nodeId)) {
+ displacement = self.idToNodeMap.get(self.dummyToNodeForVerticalAlignment.get(nodeId)[0]).displacementX;
+ } else {
+ displacement = self.idToNodeMap.get(nodeId).displacementX;
+ }
+ self.nodeToRelativeConstraintMapHorizontal.get(nodeId).forEach(function (constraint) {
+ if (constraint.right) {
+ var diff = self.nodeToTempPositionMapHorizontal.get(constraint.right) - self.nodeToTempPositionMapHorizontal.get(nodeId) - displacement;
+ if (diff < constraint.gap) {
+ displacement -= constraint.gap - diff;
+ }
+ } else {
+ var diff = self.nodeToTempPositionMapHorizontal.get(nodeId) - self.nodeToTempPositionMapHorizontal.get(constraint.left) + displacement;
+ if (diff < constraint.gap) {
+ displacement += constraint.gap - diff;
+ }
+ }
+ });
+ self.nodeToTempPositionMapHorizontal.set(nodeId, self.nodeToTempPositionMapHorizontal.get(nodeId) + displacement);
+ if (self.dummyToNodeForVerticalAlignment.has(nodeId)) {
+ self.dummyToNodeForVerticalAlignment.get(nodeId).forEach(function (nodeId) {
+ self.idToNodeMap.get(nodeId).displacementX = displacement;
+ });
+ } else {
+ self.idToNodeMap.get(nodeId).displacementX = displacement;
+ }
+ }
+ });
+
+ this.nodesInRelativeVertical.forEach(function (nodeId) {
+ if (!self.fixedNodesOnHorizontal.has(nodeId)) {
+ var displacement = 0;
+ if (self.dummyToNodeForHorizontalAlignment.has(nodeId)) {
+ displacement = self.idToNodeMap.get(self.dummyToNodeForHorizontalAlignment.get(nodeId)[0]).displacementY;
+ } else {
+ displacement = self.idToNodeMap.get(nodeId).displacementY;
+ }
+ self.nodeToRelativeConstraintMapVertical.get(nodeId).forEach(function (constraint) {
+ if (constraint.bottom) {
+ var diff = self.nodeToTempPositionMapVertical.get(constraint.bottom) - self.nodeToTempPositionMapVertical.get(nodeId) - displacement;
+ if (diff < constraint.gap) {
+ displacement -= constraint.gap - diff;
+ }
+ } else {
+ var diff = self.nodeToTempPositionMapVertical.get(nodeId) - self.nodeToTempPositionMapVertical.get(constraint.top) + displacement;
+ if (diff < constraint.gap) {
+ displacement += constraint.gap - diff;
+ }
+ }
+ });
+ self.nodeToTempPositionMapVertical.set(nodeId, self.nodeToTempPositionMapVertical.get(nodeId) + displacement);
+ if (self.dummyToNodeForHorizontalAlignment.has(nodeId)) {
+ self.dummyToNodeForHorizontalAlignment.get(nodeId).forEach(function (nodeId) {
+ self.idToNodeMap.get(nodeId).displacementY = displacement;
+ });
+ } else {
+ self.idToNodeMap.get(nodeId).displacementY = displacement;
+ }
+ }
+ });
+ } else {
+ for (var i = 0; i < this.componentsOnHorizontal.length; i++) {
+ var component = this.componentsOnHorizontal[i];
+ if (this.fixedComponentsOnHorizontal[i]) {
+ for (var j = 0; j < component.length; j++) {
+ if (this.dummyToNodeForVerticalAlignment.has(component[j])) {
+ this.dummyToNodeForVerticalAlignment.get(component[j]).forEach(function (nodeId) {
+ self.idToNodeMap.get(nodeId).displacementX = 0;
+ });
+ } else {
+ this.idToNodeMap.get(component[j]).displacementX = 0;
+ }
+ }
+ } else {
+ var sum = 0;
+ var count = 0;
+ for (var j = 0; j < component.length; j++) {
+ if (this.dummyToNodeForVerticalAlignment.has(component[j])) {
+ var actualNodes = this.dummyToNodeForVerticalAlignment.get(component[j]);
+ sum += actualNodes.length * this.idToNodeMap.get(actualNodes[0]).displacementX;
+ count += actualNodes.length;
+ } else {
+ sum += this.idToNodeMap.get(component[j]).displacementX;
+ count++;
+ }
+ }
+ var averageDisplacement = sum / count;
+ for (var j = 0; j < component.length; j++) {
+ if (this.dummyToNodeForVerticalAlignment.has(component[j])) {
+ this.dummyToNodeForVerticalAlignment.get(component[j]).forEach(function (nodeId) {
+ self.idToNodeMap.get(nodeId).displacementX = averageDisplacement;
+ });
+ } else {
+ this.idToNodeMap.get(component[j]).displacementX = averageDisplacement;
+ }
+ }
+ }
+ }
+
+ for (var i = 0; i < this.componentsOnVertical.length; i++) {
+ var component = this.componentsOnVertical[i];
+ if (this.fixedComponentsOnVertical[i]) {
+ for (var j = 0; j < component.length; j++) {
+ if (this.dummyToNodeForHorizontalAlignment.has(component[j])) {
+ this.dummyToNodeForHorizontalAlignment.get(component[j]).forEach(function (nodeId) {
+ self.idToNodeMap.get(nodeId).displacementY = 0;
+ });
+ } else {
+ this.idToNodeMap.get(component[j]).displacementY = 0;
+ }
+ }
+ } else {
+ var sum = 0;
+ var count = 0;
+ for (var j = 0; j < component.length; j++) {
+ if (this.dummyToNodeForHorizontalAlignment.has(component[j])) {
+ var actualNodes = this.dummyToNodeForHorizontalAlignment.get(component[j]);
+ sum += actualNodes.length * this.idToNodeMap.get(actualNodes[0]).displacementY;
+ count += actualNodes.length;
+ } else {
+ sum += this.idToNodeMap.get(component[j]).displacementY;
+ count++;
+ }
+ }
+ var averageDisplacement = sum / count;
+ for (var j = 0; j < component.length; j++) {
+ if (this.dummyToNodeForHorizontalAlignment.has(component[j])) {
+ this.dummyToNodeForHorizontalAlignment.get(component[j]).forEach(function (nodeId) {
+ self.idToNodeMap.get(nodeId).displacementY = averageDisplacement;
+ });
+ } else {
+ this.idToNodeMap.get(component[j]).displacementY = averageDisplacement;
+ }
+ }
+ }
+ }
+ }
+ }
+};
+
+CoSELayout.prototype.calculateNodesToApplyGravitationTo = function () {
+ var nodeList = [];
+ var graph;
+
+ var graphs = this.graphManager.getGraphs();
+ var size = graphs.length;
+ var i;
+ for (i = 0; i < size; i++) {
+ graph = graphs[i];
+
+ graph.updateConnected();
+
+ if (!graph.isConnected) {
+ nodeList = nodeList.concat(graph.getNodes());
+ }
+ }
+
+ return nodeList;
+};
+
+CoSELayout.prototype.createBendpoints = function () {
+ var edges = [];
+ edges = edges.concat(this.graphManager.getAllEdges());
+ var visited = new Set();
+ var i;
+ for (i = 0; i < edges.length; i++) {
+ var edge = edges[i];
+
+ if (!visited.has(edge)) {
+ var source = edge.getSource();
+ var target = edge.getTarget();
+
+ if (source == target) {
+ edge.getBendpoints().push(new PointD());
+ edge.getBendpoints().push(new PointD());
+ this.createDummyNodesForBendpoints(edge);
+ visited.add(edge);
+ } else {
+ var edgeList = [];
+
+ edgeList = edgeList.concat(source.getEdgeListToNode(target));
+ edgeList = edgeList.concat(target.getEdgeListToNode(source));
+
+ if (!visited.has(edgeList[0])) {
+ if (edgeList.length > 1) {
+ var k;
+ for (k = 0; k < edgeList.length; k++) {
+ var multiEdge = edgeList[k];
+ multiEdge.getBendpoints().push(new PointD());
+ this.createDummyNodesForBendpoints(multiEdge);
+ }
+ }
+ edgeList.forEach(function (edge) {
+ visited.add(edge);
+ });
+ }
+ }
+ }
+
+ if (visited.size == edges.length) {
+ break;
+ }
+ }
+};
+
+CoSELayout.prototype.positionNodesRadially = function (forest) {
+ // We tile the trees to a grid row by row; first tree starts at (0,0)
+ var currentStartingPoint = new Point(0, 0);
+ var numberOfColumns = Math.ceil(Math.sqrt(forest.length));
+ var height = 0;
+ var currentY = 0;
+ var currentX = 0;
+ var point = new PointD(0, 0);
+
+ for (var i = 0; i < forest.length; i++) {
+ if (i % numberOfColumns == 0) {
+ // Start of a new row, make the x coordinate 0, increment the
+ // y coordinate with the max height of the previous row
+ currentX = 0;
+ currentY = height;
+
+ if (i != 0) {
+ currentY += CoSEConstants.DEFAULT_COMPONENT_SEPERATION;
+ }
+
+ height = 0;
+ }
+
+ var tree = forest[i];
+
+ // Find the center of the tree
+ var centerNode = Layout.findCenterOfTree(tree);
+
+ // Set the staring point of the next tree
+ currentStartingPoint.x = currentX;
+ currentStartingPoint.y = currentY;
+
+ // Do a radial layout starting with the center
+ point = CoSELayout.radialLayout(tree, centerNode, currentStartingPoint);
+
+ if (point.y > height) {
+ height = Math.floor(point.y);
+ }
+
+ currentX = Math.floor(point.x + CoSEConstants.DEFAULT_COMPONENT_SEPERATION);
+ }
+
+ this.transform(new PointD(LayoutConstants.WORLD_CENTER_X - point.x / 2, LayoutConstants.WORLD_CENTER_Y - point.y / 2));
+};
+
+CoSELayout.radialLayout = function (tree, centerNode, startingPoint) {
+ var radialSep = Math.max(this.maxDiagonalInTree(tree), CoSEConstants.DEFAULT_RADIAL_SEPARATION);
+ CoSELayout.branchRadialLayout(centerNode, null, 0, 359, 0, radialSep);
+ var bounds = LGraph.calculateBounds(tree);
+
+ var transform = new Transform();
+ transform.setDeviceOrgX(bounds.getMinX());
+ transform.setDeviceOrgY(bounds.getMinY());
+ transform.setWorldOrgX(startingPoint.x);
+ transform.setWorldOrgY(startingPoint.y);
+
+ for (var i = 0; i < tree.length; i++) {
+ var node = tree[i];
+ node.transform(transform);
+ }
+
+ var bottomRight = new PointD(bounds.getMaxX(), bounds.getMaxY());
+
+ return transform.inverseTransformPoint(bottomRight);
+};
+
+CoSELayout.branchRadialLayout = function (node, parentOfNode, startAngle, endAngle, distance, radialSeparation) {
+ // First, position this node by finding its angle.
+ var halfInterval = (endAngle - startAngle + 1) / 2;
+
+ if (halfInterval < 0) {
+ halfInterval += 180;
+ }
+
+ var nodeAngle = (halfInterval + startAngle) % 360;
+ var teta = nodeAngle * IGeometry.TWO_PI / 360;
+
+ // Make polar to java cordinate conversion.
+ var cos_teta = Math.cos(teta);
+ var x_ = distance * Math.cos(teta);
+ var y_ = distance * Math.sin(teta);
+
+ node.setCenter(x_, y_);
+
+ // Traverse all neighbors of this node and recursively call this
+ // function.
+ var neighborEdges = [];
+ neighborEdges = neighborEdges.concat(node.getEdges());
+ var childCount = neighborEdges.length;
+
+ if (parentOfNode != null) {
+ childCount--;
+ }
+
+ var branchCount = 0;
+
+ var incEdgesCount = neighborEdges.length;
+ var startIndex;
+
+ var edges = node.getEdgesBetween(parentOfNode);
+
+ // If there are multiple edges, prune them until there remains only one
+ // edge.
+ while (edges.length > 1) {
+ //neighborEdges.remove(edges.remove(0));
+ var temp = edges[0];
+ edges.splice(0, 1);
+ var index = neighborEdges.indexOf(temp);
+ if (index >= 0) {
+ neighborEdges.splice(index, 1);
+ }
+ incEdgesCount--;
+ childCount--;
+ }
+
+ if (parentOfNode != null) {
+ //assert edges.length == 1;
+ startIndex = (neighborEdges.indexOf(edges[0]) + 1) % incEdgesCount;
+ } else {
+ startIndex = 0;
+ }
+
+ var stepAngle = Math.abs(endAngle - startAngle) / childCount;
+
+ for (var i = startIndex; branchCount != childCount; i = ++i % incEdgesCount) {
+ var currentNeighbor = neighborEdges[i].getOtherEnd(node);
+
+ // Don't back traverse to root node in current tree.
+ if (currentNeighbor == parentOfNode) {
+ continue;
+ }
+
+ var childStartAngle = (startAngle + branchCount * stepAngle) % 360;
+ var childEndAngle = (childStartAngle + stepAngle) % 360;
+
+ CoSELayout.branchRadialLayout(currentNeighbor, node, childStartAngle, childEndAngle, distance + radialSeparation, radialSeparation);
+
+ branchCount++;
+ }
+};
+
+CoSELayout.maxDiagonalInTree = function (tree) {
+ var maxDiagonal = Integer.MIN_VALUE;
+
+ for (var i = 0; i < tree.length; i++) {
+ var node = tree[i];
+ var diagonal = node.getDiagonal();
+
+ if (diagonal > maxDiagonal) {
+ maxDiagonal = diagonal;
+ }
+ }
+
+ return maxDiagonal;
+};
+
+CoSELayout.prototype.calcRepulsionRange = function () {
+ // formula is 2 x (level + 1) x idealEdgeLength
+ return 2 * (this.level + 1) * this.idealEdgeLength;
+};
+
+// Tiling methods
+
+// Group zero degree members whose parents are not to be tiled, create dummy parents where needed and fill memberGroups by their dummp parent id's
+CoSELayout.prototype.groupZeroDegreeMembers = function () {
+ var self = this;
+ // array of [parent_id x oneDegreeNode_id]
+ var tempMemberGroups = {}; // A temporary map of parent node and its zero degree members
+ this.memberGroups = {}; // A map of dummy parent node and its zero degree members whose parents are not to be tiled
+ this.idToDummyNode = {}; // A map of id to dummy node
+
+ var zeroDegree = []; // List of zero degree nodes whose parents are not to be tiled
+ var allNodes = this.graphManager.getAllNodes();
+
+ // Fill zero degree list
+ for (var i = 0; i < allNodes.length; i++) {
+ var node = allNodes[i];
+ var parent = node.getParent();
+ // If a node has zero degree and its parent is not to be tiled if exists add that node to zeroDegres list
+ if (this.getNodeDegreeWithChildren(node) === 0 && (parent.id == undefined || !this.getToBeTiled(parent))) {
+ zeroDegree.push(node);
+ }
+ }
+
+ // Create a map of parent node and its zero degree members
+ for (var i = 0; i < zeroDegree.length; i++) {
+ var node = zeroDegree[i]; // Zero degree node itself
+ var p_id = node.getParent().id; // Parent id
+
+ if (typeof tempMemberGroups[p_id] === "undefined") tempMemberGroups[p_id] = [];
+
+ tempMemberGroups[p_id] = tempMemberGroups[p_id].concat(node); // Push node to the list belongs to its parent in tempMemberGroups
+ }
+
+ // If there are at least two nodes at a level, create a dummy compound for them
+ Object.keys(tempMemberGroups).forEach(function (p_id) {
+ if (tempMemberGroups[p_id].length > 1) {
+ var dummyCompoundId = "DummyCompound_" + p_id; // The id of dummy compound which will be created soon
+ self.memberGroups[dummyCompoundId] = tempMemberGroups[p_id]; // Add dummy compound to memberGroups
+
+ var parent = tempMemberGroups[p_id][0].getParent(); // The parent of zero degree nodes will be the parent of new dummy compound
+
+ // Create a dummy compound with calculated id
+ var dummyCompound = new CoSENode(self.graphManager);
+ dummyCompound.id = dummyCompoundId;
+ dummyCompound.paddingLeft = parent.paddingLeft || 0;
+ dummyCompound.paddingRight = parent.paddingRight || 0;
+ dummyCompound.paddingBottom = parent.paddingBottom || 0;
+ dummyCompound.paddingTop = parent.paddingTop || 0;
+
+ self.idToDummyNode[dummyCompoundId] = dummyCompound;
+
+ var dummyParentGraph = self.getGraphManager().add(self.newGraph(), dummyCompound);
+ var parentGraph = parent.getChild();
+
+ // Add dummy compound to parent the graph
+ parentGraph.add(dummyCompound);
+
+ // For each zero degree node in this level remove it from its parent graph and add it to the graph of dummy parent
+ for (var i = 0; i < tempMemberGroups[p_id].length; i++) {
+ var node = tempMemberGroups[p_id][i];
+
+ parentGraph.remove(node);
+ dummyParentGraph.add(node);
+ }
+ }
+ });
+};
+
+CoSELayout.prototype.clearCompounds = function () {
+ var childGraphMap = {};
+ var idToNode = {};
+
+ // Get compound ordering by finding the inner one first
+ this.performDFSOnCompounds();
+
+ for (var i = 0; i < this.compoundOrder.length; i++) {
+
+ idToNode[this.compoundOrder[i].id] = this.compoundOrder[i];
+ childGraphMap[this.compoundOrder[i].id] = [].concat(this.compoundOrder[i].getChild().getNodes());
+
+ // Remove children of compounds
+ this.graphManager.remove(this.compoundOrder[i].getChild());
+ this.compoundOrder[i].child = null;
+ }
+
+ this.graphManager.resetAllNodes();
+
+ // Tile the removed children
+ this.tileCompoundMembers(childGraphMap, idToNode);
+};
+
+CoSELayout.prototype.clearZeroDegreeMembers = function () {
+ var self = this;
+ var tiledZeroDegreePack = this.tiledZeroDegreePack = [];
+
+ Object.keys(this.memberGroups).forEach(function (id) {
+ var compoundNode = self.idToDummyNode[id]; // Get the dummy compound
+
+ tiledZeroDegreePack[id] = self.tileNodes(self.memberGroups[id], compoundNode.paddingLeft + compoundNode.paddingRight);
+
+ // Set the width and height of the dummy compound as calculated
+ compoundNode.rect.width = tiledZeroDegreePack[id].width;
+ compoundNode.rect.height = tiledZeroDegreePack[id].height;
+ compoundNode.setCenter(tiledZeroDegreePack[id].centerX, tiledZeroDegreePack[id].centerY);
+
+ // compound left and top margings for labels
+ // when node labels are included, these values may be set to different values below and are used in tilingPostLayout,
+ // otherwise they stay as zero
+ compoundNode.labelMarginLeft = 0;
+ compoundNode.labelMarginTop = 0;
+
+ // Update compound bounds considering its label properties and set label margins for left and top
+ if (CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS) {
+
+ var width = compoundNode.rect.width;
+ var height = compoundNode.rect.height;
+
+ if (compoundNode.labelWidth) {
+ if (compoundNode.labelPosHorizontal == "left") {
+ compoundNode.rect.x -= compoundNode.labelWidth;
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = compoundNode.labelWidth;
+ } else if (compoundNode.labelPosHorizontal == "center" && compoundNode.labelWidth > width) {
+ compoundNode.rect.x -= (compoundNode.labelWidth - width) / 2;
+ compoundNode.setWidth(compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = (compoundNode.labelWidth - width) / 2;
+ } else if (compoundNode.labelPosHorizontal == "right") {
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ }
+ }
+
+ if (compoundNode.labelHeight) {
+ if (compoundNode.labelPosVertical == "top") {
+ compoundNode.rect.y -= compoundNode.labelHeight;
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ compoundNode.labelMarginTop = compoundNode.labelHeight;
+ } else if (compoundNode.labelPosVertical == "center" && compoundNode.labelHeight > height) {
+ compoundNode.rect.y -= (compoundNode.labelHeight - height) / 2;
+ compoundNode.setHeight(compoundNode.labelHeight);
+ compoundNode.labelMarginTop = (compoundNode.labelHeight - height) / 2;
+ } else if (compoundNode.labelPosVertical == "bottom") {
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ }
+ }
+ }
+ });
+};
+
+CoSELayout.prototype.repopulateCompounds = function () {
+ for (var i = this.compoundOrder.length - 1; i >= 0; i--) {
+ var lCompoundNode = this.compoundOrder[i];
+ var id = lCompoundNode.id;
+ var horizontalMargin = lCompoundNode.paddingLeft;
+ var verticalMargin = lCompoundNode.paddingTop;
+ var labelMarginLeft = lCompoundNode.labelMarginLeft;
+ var labelMarginTop = lCompoundNode.labelMarginTop;
+
+ this.adjustLocations(this.tiledMemberPack[id], lCompoundNode.rect.x, lCompoundNode.rect.y, horizontalMargin, verticalMargin, labelMarginLeft, labelMarginTop);
+ }
+};
+
+CoSELayout.prototype.repopulateZeroDegreeMembers = function () {
+ var self = this;
+ var tiledPack = this.tiledZeroDegreePack;
+
+ Object.keys(tiledPack).forEach(function (id) {
+ var compoundNode = self.idToDummyNode[id]; // Get the dummy compound by its id
+ var horizontalMargin = compoundNode.paddingLeft;
+ var verticalMargin = compoundNode.paddingTop;
+ var labelMarginLeft = compoundNode.labelMarginLeft;
+ var labelMarginTop = compoundNode.labelMarginTop;
+
+ // Adjust the positions of nodes wrt its compound
+ self.adjustLocations(tiledPack[id], compoundNode.rect.x, compoundNode.rect.y, horizontalMargin, verticalMargin, labelMarginLeft, labelMarginTop);
+ });
+};
+
+CoSELayout.prototype.getToBeTiled = function (node) {
+ var id = node.id;
+ //firstly check the previous results
+ if (this.toBeTiled[id] != null) {
+ return this.toBeTiled[id];
+ }
+
+ //only compound nodes are to be tiled
+ var childGraph = node.getChild();
+ if (childGraph == null) {
+ this.toBeTiled[id] = false;
+ return false;
+ }
+
+ var children = childGraph.getNodes(); // Get the children nodes
+
+ //a compound node is not to be tiled if all of its compound children are not to be tiled
+ for (var i = 0; i < children.length; i++) {
+ var theChild = children[i];
+
+ if (this.getNodeDegree(theChild) > 0) {
+ this.toBeTiled[id] = false;
+ return false;
+ }
+
+ //pass the children not having the compound structure
+ if (theChild.getChild() == null) {
+ this.toBeTiled[theChild.id] = false;
+ continue;
+ }
+
+ if (!this.getToBeTiled(theChild)) {
+ this.toBeTiled[id] = false;
+ return false;
+ }
+ }
+ this.toBeTiled[id] = true;
+ return true;
+};
+
+// Get degree of a node depending of its edges and independent of its children
+CoSELayout.prototype.getNodeDegree = function (node) {
+ var id = node.id;
+ var edges = node.getEdges();
+ var degree = 0;
+
+ // For the edges connected
+ for (var i = 0; i < edges.length; i++) {
+ var edge = edges[i];
+ if (edge.getSource().id !== edge.getTarget().id) {
+ degree = degree + 1;
+ }
+ }
+ return degree;
+};
+
+// Get degree of a node with its children
+CoSELayout.prototype.getNodeDegreeWithChildren = function (node) {
+ var degree = this.getNodeDegree(node);
+ if (node.getChild() == null) {
+ return degree;
+ }
+ var children = node.getChild().getNodes();
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ degree += this.getNodeDegreeWithChildren(child);
+ }
+ return degree;
+};
+
+CoSELayout.prototype.performDFSOnCompounds = function () {
+ this.compoundOrder = [];
+ this.fillCompexOrderByDFS(this.graphManager.getRoot().getNodes());
+};
+
+CoSELayout.prototype.fillCompexOrderByDFS = function (children) {
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ if (child.getChild() != null) {
+ this.fillCompexOrderByDFS(child.getChild().getNodes());
+ }
+ if (this.getToBeTiled(child)) {
+ this.compoundOrder.push(child);
+ }
+ }
+};
+
+/**
+* This method places each zero degree member wrt given (x,y) coordinates (top left).
+*/
+CoSELayout.prototype.adjustLocations = function (organization, x, y, compoundHorizontalMargin, compoundVerticalMargin, compoundLabelMarginLeft, compoundLabelMarginTop) {
+ x += compoundHorizontalMargin + compoundLabelMarginLeft;
+ y += compoundVerticalMargin + compoundLabelMarginTop;
+
+ var left = x;
+
+ for (var i = 0; i < organization.rows.length; i++) {
+ var row = organization.rows[i];
+ x = left;
+ var maxHeight = 0;
+
+ for (var j = 0; j < row.length; j++) {
+ var lnode = row[j];
+
+ lnode.rect.x = x; // + lnode.rect.width / 2;
+ lnode.rect.y = y; // + lnode.rect.height / 2;
+
+ x += lnode.rect.width + organization.horizontalPadding;
+
+ if (lnode.rect.height > maxHeight) maxHeight = lnode.rect.height;
+ }
+
+ y += maxHeight + organization.verticalPadding;
+ }
+};
+
+CoSELayout.prototype.tileCompoundMembers = function (childGraphMap, idToNode) {
+ var self = this;
+ this.tiledMemberPack = [];
+
+ Object.keys(childGraphMap).forEach(function (id) {
+ // Get the compound node
+ var compoundNode = idToNode[id];
+
+ self.tiledMemberPack[id] = self.tileNodes(childGraphMap[id], compoundNode.paddingLeft + compoundNode.paddingRight);
+
+ compoundNode.rect.width = self.tiledMemberPack[id].width;
+ compoundNode.rect.height = self.tiledMemberPack[id].height;
+ compoundNode.setCenter(self.tiledMemberPack[id].centerX, self.tiledMemberPack[id].centerY);
+
+ // compound left and top margings for labels
+ // when node labels are included, these values may be set to different values below and are used in tilingPostLayout,
+ // otherwise they stay as zero
+ compoundNode.labelMarginLeft = 0;
+ compoundNode.labelMarginTop = 0;
+
+ // Update compound bounds considering its label properties and set label margins for left and top
+ if (CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS) {
+
+ var width = compoundNode.rect.width;
+ var height = compoundNode.rect.height;
+
+ if (compoundNode.labelWidth) {
+ if (compoundNode.labelPosHorizontal == "left") {
+ compoundNode.rect.x -= compoundNode.labelWidth;
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = compoundNode.labelWidth;
+ } else if (compoundNode.labelPosHorizontal == "center" && compoundNode.labelWidth > width) {
+ compoundNode.rect.x -= (compoundNode.labelWidth - width) / 2;
+ compoundNode.setWidth(compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = (compoundNode.labelWidth - width) / 2;
+ } else if (compoundNode.labelPosHorizontal == "right") {
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ }
+ }
+
+ if (compoundNode.labelHeight) {
+ if (compoundNode.labelPosVertical == "top") {
+ compoundNode.rect.y -= compoundNode.labelHeight;
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ compoundNode.labelMarginTop = compoundNode.labelHeight;
+ } else if (compoundNode.labelPosVertical == "center" && compoundNode.labelHeight > height) {
+ compoundNode.rect.y -= (compoundNode.labelHeight - height) / 2;
+ compoundNode.setHeight(compoundNode.labelHeight);
+ compoundNode.labelMarginTop = (compoundNode.labelHeight - height) / 2;
+ } else if (compoundNode.labelPosVertical == "bottom") {
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ }
+ }
+ }
+ });
+};
+
+CoSELayout.prototype.tileNodes = function (nodes, minWidth) {
+ var horizontalOrg = this.tileNodesByFavoringDim(nodes, minWidth, true);
+ var verticalOrg = this.tileNodesByFavoringDim(nodes, minWidth, false);
+
+ var horizontalRatio = this.getOrgRatio(horizontalOrg);
+ var verticalRatio = this.getOrgRatio(verticalOrg);
+ var bestOrg;
+
+ // the best ratio is the one that is closer to 1 since the ratios are already normalized
+ // and the best organization is the one that has the best ratio
+ if (verticalRatio < horizontalRatio) {
+ bestOrg = verticalOrg;
+ } else {
+ bestOrg = horizontalOrg;
+ }
+
+ return bestOrg;
+};
+
+// get the width/height ratio of the organization that is normalized so that it will not be less than 1
+CoSELayout.prototype.getOrgRatio = function (organization) {
+ // get dimensions and calculate the initial ratio
+ var width = organization.width;
+ var height = organization.height;
+ var ratio = width / height;
+
+ // if the initial ratio is less then 1 then inverse it
+ if (ratio < 1) {
+ ratio = 1 / ratio;
+ }
+
+ // return the normalized ratio
+ return ratio;
+};
+
+/*
+ * Calculates the ideal width for the rows. This method assumes that
+ * each node has the same sizes and calculates the ideal row width that
+ * approximates a square shaped complex accordingly. However, since nodes would
+ * have different sizes some rows would have different sizes and the resulting
+ * shape would not be an exact square.
+ */
+CoSELayout.prototype.calcIdealRowWidth = function (members, favorHorizontalDim) {
+ // To approximate a square shaped complex we need to make complex width equal to complex height.
+ // To achieve this we need to solve the following equation system for hc:
+ // (x + bx) * hc - bx = (y + by) * vc - by, hc * vc = n
+ // where x is the avarage width of the nodes, y is the avarage height of nodes
+ // bx and by are the buffer sizes in horizontal and vertical dimensions accordingly,
+ // hc and vc are the number of rows in horizontal and vertical dimensions
+ // n is number of members.
+
+ var verticalPadding = CoSEConstants.TILING_PADDING_VERTICAL;
+ var horizontalPadding = CoSEConstants.TILING_PADDING_HORIZONTAL;
+
+ // number of members
+ var membersSize = members.length;
+
+ // sum of the width of all members
+ var totalWidth = 0;
+
+ // sum of the height of all members
+ var totalHeight = 0;
+
+ var maxWidth = 0;
+
+ // traverse all members to calculate total width and total height and get the maximum members width
+ members.forEach(function (node) {
+ totalWidth += node.getWidth();
+ totalHeight += node.getHeight();
+
+ if (node.getWidth() > maxWidth) {
+ maxWidth = node.getWidth();
+ }
+ });
+
+ // average width of the members
+ var averageWidth = totalWidth / membersSize;
+
+ // average height of the members
+ var averageHeight = totalHeight / membersSize;
+
+ // solving the initial equation system for the hc yields the following second degree equation:
+ // hc^2 * (x+bx) + hc * (by - bx) - n * (y + by) = 0
+
+ // the delta value to solve the equation above for hc
+ var delta = Math.pow(verticalPadding - horizontalPadding, 2) + 4 * (averageWidth + horizontalPadding) * (averageHeight + verticalPadding) * membersSize;
+
+ // solve the equation using delta value to calculate the horizontal count
+ // that represents the number of nodes in an ideal row
+ var horizontalCountDouble = (horizontalPadding - verticalPadding + Math.sqrt(delta)) / (2 * (averageWidth + horizontalPadding));
+ // round the calculated horizontal count up or down according to the favored dimension
+ var horizontalCount;
+
+ if (favorHorizontalDim) {
+ horizontalCount = Math.ceil(horizontalCountDouble);
+ // if horizontalCount count is not a float value then both of rounding to floor and ceil
+ // will yield the same values. Instead of repeating the same calculation try going up
+ // while favoring horizontal dimension in such cases
+ if (horizontalCount == horizontalCountDouble) {
+ horizontalCount++;
+ }
+ } else {
+ horizontalCount = Math.floor(horizontalCountDouble);
+ }
+
+ // ideal width to be calculated
+ var idealWidth = horizontalCount * (averageWidth + horizontalPadding) - horizontalPadding;
+
+ // if max width is bigger than calculated ideal width reset ideal width to it
+ if (maxWidth > idealWidth) {
+ idealWidth = maxWidth;
+ }
+
+ // add the left-right margins to the ideal row width
+ idealWidth += horizontalPadding * 2;
+
+ // return the ideal row width1
+ return idealWidth;
+};
+
+CoSELayout.prototype.tileNodesByFavoringDim = function (nodes, minWidth, favorHorizontalDim) {
+ var verticalPadding = CoSEConstants.TILING_PADDING_VERTICAL;
+ var horizontalPadding = CoSEConstants.TILING_PADDING_HORIZONTAL;
+ var tilingCompareBy = CoSEConstants.TILING_COMPARE_BY;
+ var organization = {
+ rows: [],
+ rowWidth: [],
+ rowHeight: [],
+ width: 0,
+ height: minWidth, // assume minHeight equals to minWidth
+ verticalPadding: verticalPadding,
+ horizontalPadding: horizontalPadding,
+ centerX: 0,
+ centerY: 0
+ };
+
+ if (tilingCompareBy) {
+ organization.idealRowWidth = this.calcIdealRowWidth(nodes, favorHorizontalDim);
+ }
+
+ var getNodeArea = function getNodeArea(n) {
+ return n.rect.width * n.rect.height;
+ };
+
+ var areaCompareFcn = function areaCompareFcn(n1, n2) {
+ return getNodeArea(n2) - getNodeArea(n1);
+ };
+
+ // Sort the nodes in descending order of their areas
+ nodes.sort(function (n1, n2) {
+ var cmpBy = areaCompareFcn;
+ if (organization.idealRowWidth) {
+ cmpBy = tilingCompareBy;
+ return cmpBy(n1.id, n2.id);
+ }
+ return cmpBy(n1, n2);
+ });
+
+ // Create the organization -> calculate compound center
+ var sumCenterX = 0;
+ var sumCenterY = 0;
+ for (var i = 0; i < nodes.length; i++) {
+ var lNode = nodes[i];
+
+ sumCenterX += lNode.getCenterX();
+ sumCenterY += lNode.getCenterY();
+ }
+
+ organization.centerX = sumCenterX / nodes.length;
+ organization.centerY = sumCenterY / nodes.length;
+
+ // Create the organization -> tile members
+ for (var i = 0; i < nodes.length; i++) {
+ var lNode = nodes[i];
+
+ if (organization.rows.length == 0) {
+ this.insertNodeToRow(organization, lNode, 0, minWidth);
+ } else if (this.canAddHorizontal(organization, lNode.rect.width, lNode.rect.height)) {
+ var rowIndex = organization.rows.length - 1;
+ if (!organization.idealRowWidth) {
+ rowIndex = this.getShortestRowIndex(organization);
+ }
+ this.insertNodeToRow(organization, lNode, rowIndex, minWidth);
+ } else {
+ this.insertNodeToRow(organization, lNode, organization.rows.length, minWidth);
+ }
+
+ this.shiftToLastRow(organization);
+ }
+
+ return organization;
+};
+
+CoSELayout.prototype.insertNodeToRow = function (organization, node, rowIndex, minWidth) {
+ var minCompoundSize = minWidth;
+
+ // Add new row if needed
+ if (rowIndex == organization.rows.length) {
+ var secondDimension = [];
+
+ organization.rows.push(secondDimension);
+ organization.rowWidth.push(minCompoundSize);
+ organization.rowHeight.push(0);
+ }
+
+ // Update row width
+ var w = organization.rowWidth[rowIndex] + node.rect.width;
+
+ if (organization.rows[rowIndex].length > 0) {
+ w += organization.horizontalPadding;
+ }
+
+ organization.rowWidth[rowIndex] = w;
+ // Update compound width
+ if (organization.width < w) {
+ organization.width = w;
+ }
+
+ // Update height
+ var h = node.rect.height;
+ if (rowIndex > 0) h += organization.verticalPadding;
+
+ var extraHeight = 0;
+ if (h > organization.rowHeight[rowIndex]) {
+ extraHeight = organization.rowHeight[rowIndex];
+ organization.rowHeight[rowIndex] = h;
+ extraHeight = organization.rowHeight[rowIndex] - extraHeight;
+ }
+
+ organization.height += extraHeight;
+
+ // Insert node
+ organization.rows[rowIndex].push(node);
+};
+
+//Scans the rows of an organization and returns the one with the min width
+CoSELayout.prototype.getShortestRowIndex = function (organization) {
+ var r = -1;
+ var min = Number.MAX_VALUE;
+
+ for (var i = 0; i < organization.rows.length; i++) {
+ if (organization.rowWidth[i] < min) {
+ r = i;
+ min = organization.rowWidth[i];
+ }
+ }
+ return r;
+};
+
+//Scans the rows of an organization and returns the one with the max width
+CoSELayout.prototype.getLongestRowIndex = function (organization) {
+ var r = -1;
+ var max = Number.MIN_VALUE;
+
+ for (var i = 0; i < organization.rows.length; i++) {
+
+ if (organization.rowWidth[i] > max) {
+ r = i;
+ max = organization.rowWidth[i];
+ }
+ }
+
+ return r;
+};
+
+/**
+* This method checks whether adding extra width to the organization violates
+* the aspect ratio(1) or not.
+*/
+CoSELayout.prototype.canAddHorizontal = function (organization, extraWidth, extraHeight) {
+
+ // if there is an ideal row width specified use it instead of checking the aspect ratio
+ if (organization.idealRowWidth) {
+ var lastRowIndex = organization.rows.length - 1;
+ var lastRowWidth = organization.rowWidth[lastRowIndex];
+
+ // check and return if ideal row width will be exceed if the node is added to the row
+ return lastRowWidth + extraWidth + organization.horizontalPadding <= organization.idealRowWidth;
+ }
+
+ var sri = this.getShortestRowIndex(organization);
+
+ if (sri < 0) {
+ return true;
+ }
+
+ var min = organization.rowWidth[sri];
+
+ if (min + organization.horizontalPadding + extraWidth <= organization.width) return true;
+
+ var hDiff = 0;
+
+ // Adding to an existing row
+ if (organization.rowHeight[sri] < extraHeight) {
+ if (sri > 0) hDiff = extraHeight + organization.verticalPadding - organization.rowHeight[sri];
+ }
+
+ var add_to_row_ratio;
+ if (organization.width - min >= extraWidth + organization.horizontalPadding) {
+ add_to_row_ratio = (organization.height + hDiff) / (min + extraWidth + organization.horizontalPadding);
+ } else {
+ add_to_row_ratio = (organization.height + hDiff) / organization.width;
+ }
+
+ // Adding a new row for this node
+ hDiff = extraHeight + organization.verticalPadding;
+ var add_new_row_ratio;
+ if (organization.width < extraWidth) {
+ add_new_row_ratio = (organization.height + hDiff) / extraWidth;
+ } else {
+ add_new_row_ratio = (organization.height + hDiff) / organization.width;
+ }
+
+ if (add_new_row_ratio < 1) add_new_row_ratio = 1 / add_new_row_ratio;
+
+ if (add_to_row_ratio < 1) add_to_row_ratio = 1 / add_to_row_ratio;
+
+ return add_to_row_ratio < add_new_row_ratio;
+};
+
+//If moving the last node from the longest row and adding it to the last
+//row makes the bounding box smaller, do it.
+CoSELayout.prototype.shiftToLastRow = function (organization) {
+ var longest = this.getLongestRowIndex(organization);
+ var last = organization.rowWidth.length - 1;
+ var row = organization.rows[longest];
+ var node = row[row.length - 1];
+
+ var diff = node.width + organization.horizontalPadding;
+
+ // Check if there is enough space on the last row
+ if (organization.width - organization.rowWidth[last] > diff && longest != last) {
+ // Remove the last element of the longest row
+ row.splice(-1, 1);
+
+ // Push it to the last row
+ organization.rows[last].push(node);
+
+ organization.rowWidth[longest] = organization.rowWidth[longest] - diff;
+ organization.rowWidth[last] = organization.rowWidth[last] + diff;
+ organization.width = organization.rowWidth[instance.getLongestRowIndex(organization)];
+
+ // Update heights of the organization
+ var maxHeight = Number.MIN_VALUE;
+ for (var i = 0; i < row.length; i++) {
+ if (row[i].height > maxHeight) maxHeight = row[i].height;
+ }
+ if (longest > 0) maxHeight += organization.verticalPadding;
+
+ var prevTotal = organization.rowHeight[longest] + organization.rowHeight[last];
+
+ organization.rowHeight[longest] = maxHeight;
+ if (organization.rowHeight[last] < node.height + organization.verticalPadding) organization.rowHeight[last] = node.height + organization.verticalPadding;
+
+ var finalTotal = organization.rowHeight[longest] + organization.rowHeight[last];
+ organization.height += finalTotal - prevTotal;
+
+ this.shiftToLastRow(organization);
+ }
+};
+
+CoSELayout.prototype.tilingPreLayout = function () {
+ if (CoSEConstants.TILE) {
+ // Find zero degree nodes and create a compound for each level
+ this.groupZeroDegreeMembers();
+ // Tile and clear children of each compound
+ this.clearCompounds();
+ // Separately tile and clear zero degree nodes for each level
+ this.clearZeroDegreeMembers();
+ }
+};
+
+CoSELayout.prototype.tilingPostLayout = function () {
+ if (CoSEConstants.TILE) {
+ this.repopulateZeroDegreeMembers();
+ this.repopulateCompounds();
+ }
+};
+
+// -----------------------------------------------------------------------------
+// Section: Tree Reduction methods
+// -----------------------------------------------------------------------------
+// Reduce trees
+CoSELayout.prototype.reduceTrees = function () {
+ var prunedNodesAll = [];
+ var containsLeaf = true;
+ var node;
+
+ while (containsLeaf) {
+ var allNodes = this.graphManager.getAllNodes();
+ var prunedNodesInStepTemp = [];
+ containsLeaf = false;
+
+ for (var i = 0; i < allNodes.length; i++) {
+ node = allNodes[i];
+ if (node.getEdges().length == 1 && !node.getEdges()[0].isInterGraph && node.getChild() == null) {
+ if (CoSEConstants.PURE_INCREMENTAL) {
+ var otherEnd = node.getEdges()[0].getOtherEnd(node);
+ var relativePosition = new DimensionD(node.getCenterX() - otherEnd.getCenterX(), node.getCenterY() - otherEnd.getCenterY());
+ prunedNodesInStepTemp.push([node, node.getEdges()[0], node.getOwner(), relativePosition]);
+ } else {
+ prunedNodesInStepTemp.push([node, node.getEdges()[0], node.getOwner()]);
+ }
+ containsLeaf = true;
+ }
+ }
+ if (containsLeaf == true) {
+ var prunedNodesInStep = [];
+ for (var j = 0; j < prunedNodesInStepTemp.length; j++) {
+ if (prunedNodesInStepTemp[j][0].getEdges().length == 1) {
+ prunedNodesInStep.push(prunedNodesInStepTemp[j]);
+ prunedNodesInStepTemp[j][0].getOwner().remove(prunedNodesInStepTemp[j][0]);
+ }
+ }
+ prunedNodesAll.push(prunedNodesInStep);
+ this.graphManager.resetAllNodes();
+ this.graphManager.resetAllEdges();
+ }
+ }
+ this.prunedNodesAll = prunedNodesAll;
+};
+
+// Grow tree one step
+CoSELayout.prototype.growTree = function (prunedNodesAll) {
+ var lengthOfPrunedNodesInStep = prunedNodesAll.length;
+ var prunedNodesInStep = prunedNodesAll[lengthOfPrunedNodesInStep - 1];
+
+ var nodeData;
+ for (var i = 0; i < prunedNodesInStep.length; i++) {
+ nodeData = prunedNodesInStep[i];
+
+ this.findPlaceforPrunedNode(nodeData);
+
+ nodeData[2].add(nodeData[0]);
+ nodeData[2].add(nodeData[1], nodeData[1].source, nodeData[1].target);
+ }
+
+ prunedNodesAll.splice(prunedNodesAll.length - 1, 1);
+ this.graphManager.resetAllNodes();
+ this.graphManager.resetAllEdges();
+};
+
+// Find an appropriate position to replace pruned node, this method can be improved
+CoSELayout.prototype.findPlaceforPrunedNode = function (nodeData) {
+
+ var gridForPrunedNode;
+ var nodeToConnect;
+ var prunedNode = nodeData[0];
+ if (prunedNode == nodeData[1].source) {
+ nodeToConnect = nodeData[1].target;
+ } else {
+ nodeToConnect = nodeData[1].source;
+ }
+
+ if (CoSEConstants.PURE_INCREMENTAL) {
+ prunedNode.setCenter(nodeToConnect.getCenterX() + nodeData[3].getWidth(), nodeToConnect.getCenterY() + nodeData[3].getHeight());
+ } else {
+ var startGridX = nodeToConnect.startX;
+ var finishGridX = nodeToConnect.finishX;
+ var startGridY = nodeToConnect.startY;
+ var finishGridY = nodeToConnect.finishY;
+
+ var upNodeCount = 0;
+ var downNodeCount = 0;
+ var rightNodeCount = 0;
+ var leftNodeCount = 0;
+ var controlRegions = [upNodeCount, rightNodeCount, downNodeCount, leftNodeCount];
+
+ if (startGridY > 0) {
+ for (var i = startGridX; i <= finishGridX; i++) {
+ controlRegions[0] += this.grid[i][startGridY - 1].length + this.grid[i][startGridY].length - 1;
+ }
+ }
+ if (finishGridX < this.grid.length - 1) {
+ for (var i = startGridY; i <= finishGridY; i++) {
+ controlRegions[1] += this.grid[finishGridX + 1][i].length + this.grid[finishGridX][i].length - 1;
+ }
+ }
+ if (finishGridY < this.grid[0].length - 1) {
+ for (var i = startGridX; i <= finishGridX; i++) {
+ controlRegions[2] += this.grid[i][finishGridY + 1].length + this.grid[i][finishGridY].length - 1;
+ }
+ }
+ if (startGridX > 0) {
+ for (var i = startGridY; i <= finishGridY; i++) {
+ controlRegions[3] += this.grid[startGridX - 1][i].length + this.grid[startGridX][i].length - 1;
+ }
+ }
+ var min = Integer.MAX_VALUE;
+ var minCount;
+ var minIndex;
+ for (var j = 0; j < controlRegions.length; j++) {
+ if (controlRegions[j] < min) {
+ min = controlRegions[j];
+ minCount = 1;
+ minIndex = j;
+ } else if (controlRegions[j] == min) {
+ minCount++;
+ }
+ }
+
+ if (minCount == 3 && min == 0) {
+ if (controlRegions[0] == 0 && controlRegions[1] == 0 && controlRegions[2] == 0) {
+ gridForPrunedNode = 1;
+ } else if (controlRegions[0] == 0 && controlRegions[1] == 0 && controlRegions[3] == 0) {
+ gridForPrunedNode = 0;
+ } else if (controlRegions[0] == 0 && controlRegions[2] == 0 && controlRegions[3] == 0) {
+ gridForPrunedNode = 3;
+ } else if (controlRegions[1] == 0 && controlRegions[2] == 0 && controlRegions[3] == 0) {
+ gridForPrunedNode = 2;
+ }
+ } else if (minCount == 2 && min == 0) {
+ var random = Math.floor(Math.random() * 2);
+ if (controlRegions[0] == 0 && controlRegions[1] == 0) {
+ ;
+ if (random == 0) {
+ gridForPrunedNode = 0;
+ } else {
+ gridForPrunedNode = 1;
+ }
+ } else if (controlRegions[0] == 0 && controlRegions[2] == 0) {
+ if (random == 0) {
+ gridForPrunedNode = 0;
+ } else {
+ gridForPrunedNode = 2;
+ }
+ } else if (controlRegions[0] == 0 && controlRegions[3] == 0) {
+ if (random == 0) {
+ gridForPrunedNode = 0;
+ } else {
+ gridForPrunedNode = 3;
+ }
+ } else if (controlRegions[1] == 0 && controlRegions[2] == 0) {
+ if (random == 0) {
+ gridForPrunedNode = 1;
+ } else {
+ gridForPrunedNode = 2;
+ }
+ } else if (controlRegions[1] == 0 && controlRegions[3] == 0) {
+ if (random == 0) {
+ gridForPrunedNode = 1;
+ } else {
+ gridForPrunedNode = 3;
+ }
+ } else {
+ if (random == 0) {
+ gridForPrunedNode = 2;
+ } else {
+ gridForPrunedNode = 3;
+ }
+ }
+ } else if (minCount == 4 && min == 0) {
+ var random = Math.floor(Math.random() * 4);
+ gridForPrunedNode = random;
+ } else {
+ gridForPrunedNode = minIndex;
+ }
+
+ if (gridForPrunedNode == 0) {
+ prunedNode.setCenter(nodeToConnect.getCenterX(), nodeToConnect.getCenterY() - nodeToConnect.getHeight() / 2 - FDLayoutConstants.DEFAULT_EDGE_LENGTH - prunedNode.getHeight() / 2);
+ } else if (gridForPrunedNode == 1) {
+ prunedNode.setCenter(nodeToConnect.getCenterX() + nodeToConnect.getWidth() / 2 + FDLayoutConstants.DEFAULT_EDGE_LENGTH + prunedNode.getWidth() / 2, nodeToConnect.getCenterY());
+ } else if (gridForPrunedNode == 2) {
+ prunedNode.setCenter(nodeToConnect.getCenterX(), nodeToConnect.getCenterY() + nodeToConnect.getHeight() / 2 + FDLayoutConstants.DEFAULT_EDGE_LENGTH + prunedNode.getHeight() / 2);
+ } else {
+ prunedNode.setCenter(nodeToConnect.getCenterX() - nodeToConnect.getWidth() / 2 - FDLayoutConstants.DEFAULT_EDGE_LENGTH - prunedNode.getWidth() / 2, nodeToConnect.getCenterY());
+ }
+ }
+};
+
+module.exports = CoSELayout;
+
+/***/ }),
+
+/***/ 991:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+var FDLayoutNode = __webpack_require__(551).FDLayoutNode;
+var IMath = __webpack_require__(551).IMath;
+
+function CoSENode(gm, loc, size, vNode) {
+ FDLayoutNode.call(this, gm, loc, size, vNode);
+}
+
+CoSENode.prototype = Object.create(FDLayoutNode.prototype);
+for (var prop in FDLayoutNode) {
+ CoSENode[prop] = FDLayoutNode[prop];
+}
+
+CoSENode.prototype.calculateDisplacement = function () {
+ var layout = this.graphManager.getLayout();
+ // this check is for compound nodes that contain fixed nodes
+ if (this.getChild() != null && this.fixedNodeWeight) {
+ this.displacementX += layout.coolingFactor * (this.springForceX + this.repulsionForceX + this.gravitationForceX) / this.fixedNodeWeight;
+ this.displacementY += layout.coolingFactor * (this.springForceY + this.repulsionForceY + this.gravitationForceY) / this.fixedNodeWeight;
+ } else {
+ this.displacementX += layout.coolingFactor * (this.springForceX + this.repulsionForceX + this.gravitationForceX) / this.noOfChildren;
+ this.displacementY += layout.coolingFactor * (this.springForceY + this.repulsionForceY + this.gravitationForceY) / this.noOfChildren;
+ }
+
+ if (Math.abs(this.displacementX) > layout.coolingFactor * layout.maxNodeDisplacement) {
+ this.displacementX = layout.coolingFactor * layout.maxNodeDisplacement * IMath.sign(this.displacementX);
+ }
+
+ if (Math.abs(this.displacementY) > layout.coolingFactor * layout.maxNodeDisplacement) {
+ this.displacementY = layout.coolingFactor * layout.maxNodeDisplacement * IMath.sign(this.displacementY);
+ }
+
+ // non-empty compound node, propogate movement to children as well
+ if (this.child && this.child.getNodes().length > 0) {
+ this.propogateDisplacementToChildren(this.displacementX, this.displacementY);
+ }
+};
+
+CoSENode.prototype.propogateDisplacementToChildren = function (dX, dY) {
+ var nodes = this.getChild().getNodes();
+ var node;
+ for (var i = 0; i < nodes.length; i++) {
+ node = nodes[i];
+ if (node.getChild() == null) {
+ node.displacementX += dX;
+ node.displacementY += dY;
+ } else {
+ node.propogateDisplacementToChildren(dX, dY);
+ }
+ }
+};
+
+CoSENode.prototype.move = function () {
+ var layout = this.graphManager.getLayout();
+
+ // a simple node or an empty compound node, move it
+ if (this.child == null || this.child.getNodes().length == 0) {
+ this.moveBy(this.displacementX, this.displacementY);
+
+ layout.totalDisplacement += Math.abs(this.displacementX) + Math.abs(this.displacementY);
+ }
+
+ this.springForceX = 0;
+ this.springForceY = 0;
+ this.repulsionForceX = 0;
+ this.repulsionForceY = 0;
+ this.gravitationForceX = 0;
+ this.gravitationForceY = 0;
+ this.displacementX = 0;
+ this.displacementY = 0;
+};
+
+CoSENode.prototype.setPred1 = function (pred1) {
+ this.pred1 = pred1;
+};
+
+CoSENode.prototype.getPred1 = function () {
+ return pred1;
+};
+
+CoSENode.prototype.getPred2 = function () {
+ return pred2;
+};
+
+CoSENode.prototype.setNext = function (next) {
+ this.next = next;
+};
+
+CoSENode.prototype.getNext = function () {
+ return next;
+};
+
+CoSENode.prototype.setProcessed = function (processed) {
+ this.processed = processed;
+};
+
+CoSENode.prototype.isProcessed = function () {
+ return processed;
+};
+
+module.exports = CoSENode;
+
+/***/ }),
+
+/***/ 902:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
+
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+var CoSEConstants = __webpack_require__(806);
+var LinkedList = __webpack_require__(551).LinkedList;
+var Matrix = __webpack_require__(551).Matrix;
+var SVD = __webpack_require__(551).SVD;
+
+function ConstraintHandler() {}
+
+ConstraintHandler.handleConstraints = function (layout) {
+ // let layout = this.graphManager.getLayout();
+
+ // get constraints from layout
+ var constraints = {};
+ constraints.fixedNodeConstraint = layout.constraints.fixedNodeConstraint;
+ constraints.alignmentConstraint = layout.constraints.alignmentConstraint;
+ constraints.relativePlacementConstraint = layout.constraints.relativePlacementConstraint;
+
+ var idToNodeMap = new Map();
+ var nodeIndexes = new Map();
+ var xCoords = [];
+ var yCoords = [];
+
+ var allNodes = layout.getAllNodes();
+ var index = 0;
+ // fill index map and coordinates
+ for (var i = 0; i < allNodes.length; i++) {
+ var node = allNodes[i];
+ if (node.getChild() == null) {
+ nodeIndexes.set(node.id, index++);
+ xCoords.push(node.getCenterX());
+ yCoords.push(node.getCenterY());
+ idToNodeMap.set(node.id, node);
+ }
+ }
+
+ // if there exists relative placement constraint without gap value, set it to default
+ if (constraints.relativePlacementConstraint) {
+ constraints.relativePlacementConstraint.forEach(function (constraint) {
+ if (!constraint.gap && constraint.gap != 0) {
+ if (constraint.left) {
+ constraint.gap = CoSEConstants.DEFAULT_EDGE_LENGTH + idToNodeMap.get(constraint.left).getWidth() / 2 + idToNodeMap.get(constraint.right).getWidth() / 2;
+ } else {
+ constraint.gap = CoSEConstants.DEFAULT_EDGE_LENGTH + idToNodeMap.get(constraint.top).getHeight() / 2 + idToNodeMap.get(constraint.bottom).getHeight() / 2;
+ }
+ }
+ });
+ }
+
+ /* auxiliary functions */
+
+ // calculate difference between two position objects
+ var calculatePositionDiff = function calculatePositionDiff(pos1, pos2) {
+ return { x: pos1.x - pos2.x, y: pos1.y - pos2.y };
+ };
+
+ // calculate average position of the nodes
+ var calculateAvgPosition = function calculateAvgPosition(nodeIdSet) {
+ var xPosSum = 0;
+ var yPosSum = 0;
+ nodeIdSet.forEach(function (nodeId) {
+ xPosSum += xCoords[nodeIndexes.get(nodeId)];
+ yPosSum += yCoords[nodeIndexes.get(nodeId)];
+ });
+
+ return { x: xPosSum / nodeIdSet.size, y: yPosSum / nodeIdSet.size };
+ };
+
+ // find an appropriate positioning for the nodes in a given graph according to relative placement constraints
+ // this function also takes the fixed nodes and alignment constraints into account
+ // graph: dag to be evaluated, direction: "horizontal" or "vertical",
+ // fixedNodes: set of fixed nodes to consider during evaluation, dummyPositions: appropriate coordinates of the dummy nodes
+ var findAppropriatePositionForRelativePlacement = function findAppropriatePositionForRelativePlacement(graph, direction, fixedNodes, dummyPositions, componentSources) {
+
+ // find union of two sets
+ function setUnion(setA, setB) {
+ var union = new Set(setA);
+ var _iteratorNormalCompletion = true;
+ var _didIteratorError = false;
+ var _iteratorError = undefined;
+
+ try {
+ for (var _iterator = setB[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+ var elem = _step.value;
+
+ union.add(elem);
+ }
+ } catch (err) {
+ _didIteratorError = true;
+ _iteratorError = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion && _iterator.return) {
+ _iterator.return();
+ }
+ } finally {
+ if (_didIteratorError) {
+ throw _iteratorError;
+ }
+ }
+ }
+
+ return union;
+ }
+
+ // find indegree count for each node
+ var inDegrees = new Map();
+
+ graph.forEach(function (value, key) {
+ inDegrees.set(key, 0);
+ });
+ graph.forEach(function (value, key) {
+ value.forEach(function (adjacent) {
+ inDegrees.set(adjacent.id, inDegrees.get(adjacent.id) + 1);
+ });
+ });
+
+ var positionMap = new Map(); // keeps the position for each node
+ var pastMap = new Map(); // keeps the predecessors(past) of a node
+ var queue = new LinkedList();
+ inDegrees.forEach(function (value, key) {
+ if (value == 0) {
+ queue.push(key);
+ if (!fixedNodes) {
+ if (direction == "horizontal") {
+ positionMap.set(key, nodeIndexes.has(key) ? xCoords[nodeIndexes.get(key)] : dummyPositions.get(key));
+ } else {
+ positionMap.set(key, nodeIndexes.has(key) ? yCoords[nodeIndexes.get(key)] : dummyPositions.get(key));
+ }
+ }
+ } else {
+ positionMap.set(key, Number.NEGATIVE_INFINITY);
+ }
+ if (fixedNodes) {
+ pastMap.set(key, new Set([key]));
+ }
+ });
+
+ // align sources of each component in enforcement phase
+ if (fixedNodes) {
+ componentSources.forEach(function (component) {
+ var fixedIds = [];
+ component.forEach(function (nodeId) {
+ if (fixedNodes.has(nodeId)) {
+ fixedIds.push(nodeId);
+ }
+ });
+ if (fixedIds.length > 0) {
+ var position = 0;
+ fixedIds.forEach(function (fixedId) {
+ if (direction == "horizontal") {
+ positionMap.set(fixedId, nodeIndexes.has(fixedId) ? xCoords[nodeIndexes.get(fixedId)] : dummyPositions.get(fixedId));
+ position += positionMap.get(fixedId);
+ } else {
+ positionMap.set(fixedId, nodeIndexes.has(fixedId) ? yCoords[nodeIndexes.get(fixedId)] : dummyPositions.get(fixedId));
+ position += positionMap.get(fixedId);
+ }
+ });
+ position = position / fixedIds.length;
+ component.forEach(function (nodeId) {
+ if (!fixedNodes.has(nodeId)) {
+ positionMap.set(nodeId, position);
+ }
+ });
+ } else {
+ var _position = 0;
+ component.forEach(function (nodeId) {
+ if (direction == "horizontal") {
+ _position += nodeIndexes.has(nodeId) ? xCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ } else {
+ _position += nodeIndexes.has(nodeId) ? yCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ }
+ });
+ _position = _position / component.length;
+ component.forEach(function (nodeId) {
+ positionMap.set(nodeId, _position);
+ });
+ }
+ });
+ }
+
+ // calculate positions of the nodes
+
+ var _loop = function _loop() {
+ var currentNode = queue.shift();
+ var neighbors = graph.get(currentNode);
+ neighbors.forEach(function (neighbor) {
+ if (positionMap.get(neighbor.id) < positionMap.get(currentNode) + neighbor.gap) {
+ if (fixedNodes && fixedNodes.has(neighbor.id)) {
+ var fixedPosition = void 0;
+ if (direction == "horizontal") {
+ fixedPosition = nodeIndexes.has(neighbor.id) ? xCoords[nodeIndexes.get(neighbor.id)] : dummyPositions.get(neighbor.id);
+ } else {
+ fixedPosition = nodeIndexes.has(neighbor.id) ? yCoords[nodeIndexes.get(neighbor.id)] : dummyPositions.get(neighbor.id);
+ }
+ positionMap.set(neighbor.id, fixedPosition); // TODO: may do unnecessary work
+ if (fixedPosition < positionMap.get(currentNode) + neighbor.gap) {
+ var diff = positionMap.get(currentNode) + neighbor.gap - fixedPosition;
+ pastMap.get(currentNode).forEach(function (nodeId) {
+ positionMap.set(nodeId, positionMap.get(nodeId) - diff);
+ });
+ }
+ } else {
+ positionMap.set(neighbor.id, positionMap.get(currentNode) + neighbor.gap);
+ }
+ }
+ inDegrees.set(neighbor.id, inDegrees.get(neighbor.id) - 1);
+ if (inDegrees.get(neighbor.id) == 0) {
+ queue.push(neighbor.id);
+ }
+ if (fixedNodes) {
+ pastMap.set(neighbor.id, setUnion(pastMap.get(currentNode), pastMap.get(neighbor.id)));
+ }
+ });
+ };
+
+ while (queue.length != 0) {
+ _loop();
+ }
+
+ // readjust position of the nodes after enforcement
+ if (fixedNodes) {
+ // find indegree count for each node
+ var sinkNodes = new Set();
+
+ graph.forEach(function (value, key) {
+ if (value.length == 0) {
+ sinkNodes.add(key);
+ }
+ });
+
+ var _components = [];
+ pastMap.forEach(function (value, key) {
+ if (sinkNodes.has(key)) {
+ var isFixedComponent = false;
+ var _iteratorNormalCompletion2 = true;
+ var _didIteratorError2 = false;
+ var _iteratorError2 = undefined;
+
+ try {
+ for (var _iterator2 = value[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+ var nodeId = _step2.value;
+
+ if (fixedNodes.has(nodeId)) {
+ isFixedComponent = true;
+ }
+ }
+ } catch (err) {
+ _didIteratorError2 = true;
+ _iteratorError2 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion2 && _iterator2.return) {
+ _iterator2.return();
+ }
+ } finally {
+ if (_didIteratorError2) {
+ throw _iteratorError2;
+ }
+ }
+ }
+
+ if (!isFixedComponent) {
+ var isExist = false;
+ var existAt = void 0;
+ _components.forEach(function (component, index) {
+ if (component.has([].concat(_toConsumableArray(value))[0])) {
+ isExist = true;
+ existAt = index;
+ }
+ });
+ if (!isExist) {
+ _components.push(new Set(value));
+ } else {
+ value.forEach(function (ele) {
+ _components[existAt].add(ele);
+ });
+ }
+ }
+ }
+ });
+
+ _components.forEach(function (component, index) {
+ var minBefore = Number.POSITIVE_INFINITY;
+ var minAfter = Number.POSITIVE_INFINITY;
+ var maxBefore = Number.NEGATIVE_INFINITY;
+ var maxAfter = Number.NEGATIVE_INFINITY;
+
+ var _iteratorNormalCompletion3 = true;
+ var _didIteratorError3 = false;
+ var _iteratorError3 = undefined;
+
+ try {
+ for (var _iterator3 = component[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
+ var nodeId = _step3.value;
+
+ var posBefore = void 0;
+ if (direction == "horizontal") {
+ posBefore = nodeIndexes.has(nodeId) ? xCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ } else {
+ posBefore = nodeIndexes.has(nodeId) ? yCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ }
+ var posAfter = positionMap.get(nodeId);
+ if (posBefore < minBefore) {
+ minBefore = posBefore;
+ }
+ if (posBefore > maxBefore) {
+ maxBefore = posBefore;
+ }
+ if (posAfter < minAfter) {
+ minAfter = posAfter;
+ }
+ if (posAfter > maxAfter) {
+ maxAfter = posAfter;
+ }
+ }
+ } catch (err) {
+ _didIteratorError3 = true;
+ _iteratorError3 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion3 && _iterator3.return) {
+ _iterator3.return();
+ }
+ } finally {
+ if (_didIteratorError3) {
+ throw _iteratorError3;
+ }
+ }
+ }
+
+ var diff = (minBefore + maxBefore) / 2 - (minAfter + maxAfter) / 2;
+
+ var _iteratorNormalCompletion4 = true;
+ var _didIteratorError4 = false;
+ var _iteratorError4 = undefined;
+
+ try {
+ for (var _iterator4 = component[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
+ var _nodeId = _step4.value;
+
+ positionMap.set(_nodeId, positionMap.get(_nodeId) + diff);
+ }
+ } catch (err) {
+ _didIteratorError4 = true;
+ _iteratorError4 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion4 && _iterator4.return) {
+ _iterator4.return();
+ }
+ } finally {
+ if (_didIteratorError4) {
+ throw _iteratorError4;
+ }
+ }
+ }
+ });
+ }
+
+ return positionMap;
+ };
+
+ // find transformation based on rel. placement constraints if there are both alignment and rel. placement constraints
+ // or if there are only rel. placement contraints where the largest component isn't sufficiently large
+ var applyReflectionForRelativePlacement = function applyReflectionForRelativePlacement(relativePlacementConstraints) {
+ // variables to count votes
+ var reflectOnY = 0,
+ notReflectOnY = 0;
+ var reflectOnX = 0,
+ notReflectOnX = 0;
+
+ relativePlacementConstraints.forEach(function (constraint) {
+ if (constraint.left) {
+ xCoords[nodeIndexes.get(constraint.left)] - xCoords[nodeIndexes.get(constraint.right)] >= 0 ? reflectOnY++ : notReflectOnY++;
+ } else {
+ yCoords[nodeIndexes.get(constraint.top)] - yCoords[nodeIndexes.get(constraint.bottom)] >= 0 ? reflectOnX++ : notReflectOnX++;
+ }
+ });
+
+ if (reflectOnY > notReflectOnY && reflectOnX > notReflectOnX) {
+ for (var _i = 0; _i < nodeIndexes.size; _i++) {
+ xCoords[_i] = -1 * xCoords[_i];
+ yCoords[_i] = -1 * yCoords[_i];
+ }
+ } else if (reflectOnY > notReflectOnY) {
+ for (var _i2 = 0; _i2 < nodeIndexes.size; _i2++) {
+ xCoords[_i2] = -1 * xCoords[_i2];
+ }
+ } else if (reflectOnX > notReflectOnX) {
+ for (var _i3 = 0; _i3 < nodeIndexes.size; _i3++) {
+ yCoords[_i3] = -1 * yCoords[_i3];
+ }
+ }
+ };
+
+ // find weakly connected components in undirected graph
+ var findComponents = function findComponents(graph) {
+ // find weakly connected components in dag
+ var components = [];
+ var queue = new LinkedList();
+ var visited = new Set();
+ var count = 0;
+
+ graph.forEach(function (value, key) {
+ if (!visited.has(key)) {
+ components[count] = [];
+ var _currentNode = key;
+ queue.push(_currentNode);
+ visited.add(_currentNode);
+ components[count].push(_currentNode);
+
+ while (queue.length != 0) {
+ _currentNode = queue.shift();
+ var neighbors = graph.get(_currentNode);
+ neighbors.forEach(function (neighbor) {
+ if (!visited.has(neighbor.id)) {
+ queue.push(neighbor.id);
+ visited.add(neighbor.id);
+ components[count].push(neighbor.id);
+ }
+ });
+ }
+ count++;
+ }
+ });
+ return components;
+ };
+
+ // return undirected version of given dag
+ var dagToUndirected = function dagToUndirected(dag) {
+ var undirected = new Map();
+
+ dag.forEach(function (value, key) {
+ undirected.set(key, []);
+ });
+
+ dag.forEach(function (value, key) {
+ value.forEach(function (adjacent) {
+ undirected.get(key).push(adjacent);
+ undirected.get(adjacent.id).push({ id: key, gap: adjacent.gap, direction: adjacent.direction });
+ });
+ });
+
+ return undirected;
+ };
+
+ // return reversed (directions inverted) version of given dag
+ var dagToReversed = function dagToReversed(dag) {
+ var reversed = new Map();
+
+ dag.forEach(function (value, key) {
+ reversed.set(key, []);
+ });
+
+ dag.forEach(function (value, key) {
+ value.forEach(function (adjacent) {
+ reversed.get(adjacent.id).push({ id: key, gap: adjacent.gap, direction: adjacent.direction });
+ });
+ });
+
+ return reversed;
+ };
+
+ /**** apply transformation to the initial draft layout to better align with constrained nodes ****/
+ // solve the Orthogonal Procrustean Problem to rotate and/or reflect initial draft layout
+ // here we follow the solution in Chapter 20.2 of Borg, I. & Groenen, P. (2005) Modern Multidimensional Scaling: Theory and Applications
+
+ /* construct source and target configurations */
+
+ var targetMatrix = []; // A - target configuration
+ var sourceMatrix = []; // B - source configuration
+ var standardTransformation = false; // false for no transformation, true for standart (Procrustes) transformation (rotation and/or reflection)
+ var reflectionType = false; // false/true for reflection check, 'reflectOnX', 'reflectOnY' or 'reflectOnBoth' for reflection type if necessary
+ var fixedNodes = new Set();
+ var dag = new Map(); // adjacency list to keep directed acyclic graph (dag) that consists of relative placement constraints
+ var dagUndirected = new Map(); // undirected version of the dag
+ var components = []; // weakly connected components
+
+ // fill fixedNodes collection to use later
+ if (constraints.fixedNodeConstraint) {
+ constraints.fixedNodeConstraint.forEach(function (nodeData) {
+ fixedNodes.add(nodeData.nodeId);
+ });
+ }
+
+ // construct dag from relative placement constraints
+ if (constraints.relativePlacementConstraint) {
+ // construct both directed and undirected version of the dag
+ constraints.relativePlacementConstraint.forEach(function (constraint) {
+ if (constraint.left) {
+ if (dag.has(constraint.left)) {
+ dag.get(constraint.left).push({ id: constraint.right, gap: constraint.gap, direction: "horizontal" });
+ } else {
+ dag.set(constraint.left, [{ id: constraint.right, gap: constraint.gap, direction: "horizontal" }]);
+ }
+ if (!dag.has(constraint.right)) {
+ dag.set(constraint.right, []);
+ }
+ } else {
+ if (dag.has(constraint.top)) {
+ dag.get(constraint.top).push({ id: constraint.bottom, gap: constraint.gap, direction: "vertical" });
+ } else {
+ dag.set(constraint.top, [{ id: constraint.bottom, gap: constraint.gap, direction: "vertical" }]);
+ }
+ if (!dag.has(constraint.bottom)) {
+ dag.set(constraint.bottom, []);
+ }
+ }
+ });
+
+ dagUndirected = dagToUndirected(dag);
+ components = findComponents(dagUndirected);
+ }
+
+ if (CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING) {
+ // first check fixed node constraint
+ if (constraints.fixedNodeConstraint && constraints.fixedNodeConstraint.length > 1) {
+ constraints.fixedNodeConstraint.forEach(function (nodeData, i) {
+ targetMatrix[i] = [nodeData.position.x, nodeData.position.y];
+ sourceMatrix[i] = [xCoords[nodeIndexes.get(nodeData.nodeId)], yCoords[nodeIndexes.get(nodeData.nodeId)]];
+ });
+ standardTransformation = true;
+ } else if (constraints.alignmentConstraint) {
+ (function () {
+ // then check alignment constraint
+ var count = 0;
+ if (constraints.alignmentConstraint.vertical) {
+ var verticalAlign = constraints.alignmentConstraint.vertical;
+
+ var _loop2 = function _loop2(_i4) {
+ var alignmentSet = new Set();
+ verticalAlign[_i4].forEach(function (nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ var intersection = new Set([].concat(_toConsumableArray(alignmentSet)).filter(function (x) {
+ return fixedNodes.has(x);
+ }));
+ var xPos = void 0;
+ if (intersection.size > 0) xPos = xCoords[nodeIndexes.get(intersection.values().next().value)];else xPos = calculateAvgPosition(alignmentSet).x;
+
+ verticalAlign[_i4].forEach(function (nodeId) {
+ targetMatrix[count] = [xPos, yCoords[nodeIndexes.get(nodeId)]];
+ sourceMatrix[count] = [xCoords[nodeIndexes.get(nodeId)], yCoords[nodeIndexes.get(nodeId)]];
+ count++;
+ });
+ };
+
+ for (var _i4 = 0; _i4 < verticalAlign.length; _i4++) {
+ _loop2(_i4);
+ }
+ standardTransformation = true;
+ }
+ if (constraints.alignmentConstraint.horizontal) {
+ var horizontalAlign = constraints.alignmentConstraint.horizontal;
+
+ var _loop3 = function _loop3(_i5) {
+ var alignmentSet = new Set();
+ horizontalAlign[_i5].forEach(function (nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ var intersection = new Set([].concat(_toConsumableArray(alignmentSet)).filter(function (x) {
+ return fixedNodes.has(x);
+ }));
+ var yPos = void 0;
+ if (intersection.size > 0) yPos = xCoords[nodeIndexes.get(intersection.values().next().value)];else yPos = calculateAvgPosition(alignmentSet).y;
+
+ horizontalAlign[_i5].forEach(function (nodeId) {
+ targetMatrix[count] = [xCoords[nodeIndexes.get(nodeId)], yPos];
+ sourceMatrix[count] = [xCoords[nodeIndexes.get(nodeId)], yCoords[nodeIndexes.get(nodeId)]];
+ count++;
+ });
+ };
+
+ for (var _i5 = 0; _i5 < horizontalAlign.length; _i5++) {
+ _loop3(_i5);
+ }
+ standardTransformation = true;
+ }
+ if (constraints.relativePlacementConstraint) {
+ reflectionType = true;
+ }
+ })();
+ } else if (constraints.relativePlacementConstraint) {
+ // finally check relative placement constraint
+ // find largest component in dag
+ var largestComponentSize = 0;
+ var largestComponentIndex = 0;
+ for (var _i6 = 0; _i6 < components.length; _i6++) {
+ if (components[_i6].length > largestComponentSize) {
+ largestComponentSize = components[_i6].length;
+ largestComponentIndex = _i6;
+ }
+ }
+ // if largest component isn't dominant, then take the votes for reflection
+ if (largestComponentSize < dagUndirected.size / 2) {
+ applyReflectionForRelativePlacement(constraints.relativePlacementConstraint);
+ standardTransformation = false;
+ reflectionType = false;
+ } else {
+ // use largest component for transformation
+ // construct horizontal and vertical subgraphs in the largest component
+ var subGraphOnHorizontal = new Map();
+ var subGraphOnVertical = new Map();
+ var constraintsInlargestComponent = [];
+
+ components[largestComponentIndex].forEach(function (nodeId) {
+ dag.get(nodeId).forEach(function (adjacent) {
+ if (adjacent.direction == "horizontal") {
+ if (subGraphOnHorizontal.has(nodeId)) {
+ subGraphOnHorizontal.get(nodeId).push(adjacent);
+ } else {
+ subGraphOnHorizontal.set(nodeId, [adjacent]);
+ }
+ if (!subGraphOnHorizontal.has(adjacent.id)) {
+ subGraphOnHorizontal.set(adjacent.id, []);
+ }
+ constraintsInlargestComponent.push({ left: nodeId, right: adjacent.id });
+ } else {
+ if (subGraphOnVertical.has(nodeId)) {
+ subGraphOnVertical.get(nodeId).push(adjacent);
+ } else {
+ subGraphOnVertical.set(nodeId, [adjacent]);
+ }
+ if (!subGraphOnVertical.has(adjacent.id)) {
+ subGraphOnVertical.set(adjacent.id, []);
+ }
+ constraintsInlargestComponent.push({ top: nodeId, bottom: adjacent.id });
+ }
+ });
+ });
+
+ applyReflectionForRelativePlacement(constraintsInlargestComponent);
+ reflectionType = false;
+
+ // calculate appropriate positioning for subgraphs
+ var positionMapHorizontal = findAppropriatePositionForRelativePlacement(subGraphOnHorizontal, "horizontal");
+ var positionMapVertical = findAppropriatePositionForRelativePlacement(subGraphOnVertical, "vertical");
+
+ // construct source and target configuration
+ components[largestComponentIndex].forEach(function (nodeId, i) {
+ sourceMatrix[i] = [xCoords[nodeIndexes.get(nodeId)], yCoords[nodeIndexes.get(nodeId)]];
+ targetMatrix[i] = [];
+ if (positionMapHorizontal.has(nodeId)) {
+ targetMatrix[i][0] = positionMapHorizontal.get(nodeId);
+ } else {
+ targetMatrix[i][0] = xCoords[nodeIndexes.get(nodeId)];
+ }
+ if (positionMapVertical.has(nodeId)) {
+ targetMatrix[i][1] = positionMapVertical.get(nodeId);
+ } else {
+ targetMatrix[i][1] = yCoords[nodeIndexes.get(nodeId)];
+ }
+ });
+
+ standardTransformation = true;
+ }
+ }
+
+ // if transformation is required, then calculate and apply transformation matrix
+ if (standardTransformation) {
+ /* calculate transformation matrix */
+ var transformationMatrix = void 0;
+ var targetMatrixTranspose = Matrix.transpose(targetMatrix); // A'
+ var sourceMatrixTranspose = Matrix.transpose(sourceMatrix); // B'
+
+ // centralize transpose matrices
+ for (var _i7 = 0; _i7 < targetMatrixTranspose.length; _i7++) {
+ targetMatrixTranspose[_i7] = Matrix.multGamma(targetMatrixTranspose[_i7]);
+ sourceMatrixTranspose[_i7] = Matrix.multGamma(sourceMatrixTranspose[_i7]);
+ }
+
+ // do actual calculation for transformation matrix
+ var tempMatrix = Matrix.multMat(targetMatrixTranspose, Matrix.transpose(sourceMatrixTranspose)); // tempMatrix = A'B
+ var SVDResult = SVD.svd(tempMatrix); // SVD(A'B) = USV', svd function returns U, S and V
+ transformationMatrix = Matrix.multMat(SVDResult.V, Matrix.transpose(SVDResult.U)); // transformationMatrix = T = VU'
+
+ /* apply found transformation matrix to obtain final draft layout */
+ for (var _i8 = 0; _i8 < nodeIndexes.size; _i8++) {
+ var temp1 = [xCoords[_i8], yCoords[_i8]];
+ var temp2 = [transformationMatrix[0][0], transformationMatrix[1][0]];
+ var temp3 = [transformationMatrix[0][1], transformationMatrix[1][1]];
+ xCoords[_i8] = Matrix.dotProduct(temp1, temp2);
+ yCoords[_i8] = Matrix.dotProduct(temp1, temp3);
+ }
+
+ // applied only both alignment and rel. placement constraints exist
+ if (reflectionType) {
+ applyReflectionForRelativePlacement(constraints.relativePlacementConstraint);
+ }
+ }
+ }
+
+ if (CoSEConstants.ENFORCE_CONSTRAINTS) {
+ /**** enforce constraints on the transformed draft layout ****/
+
+ /* first enforce fixed node constraint */
+
+ if (constraints.fixedNodeConstraint && constraints.fixedNodeConstraint.length > 0) {
+ var translationAmount = { x: 0, y: 0 };
+ constraints.fixedNodeConstraint.forEach(function (nodeData, i) {
+ var posInTheory = { x: xCoords[nodeIndexes.get(nodeData.nodeId)], y: yCoords[nodeIndexes.get(nodeData.nodeId)] };
+ var posDesired = nodeData.position;
+ var posDiff = calculatePositionDiff(posDesired, posInTheory);
+ translationAmount.x += posDiff.x;
+ translationAmount.y += posDiff.y;
+ });
+ translationAmount.x /= constraints.fixedNodeConstraint.length;
+ translationAmount.y /= constraints.fixedNodeConstraint.length;
+
+ xCoords.forEach(function (value, i) {
+ xCoords[i] += translationAmount.x;
+ });
+
+ yCoords.forEach(function (value, i) {
+ yCoords[i] += translationAmount.y;
+ });
+
+ constraints.fixedNodeConstraint.forEach(function (nodeData) {
+ xCoords[nodeIndexes.get(nodeData.nodeId)] = nodeData.position.x;
+ yCoords[nodeIndexes.get(nodeData.nodeId)] = nodeData.position.y;
+ });
+ }
+
+ /* then enforce alignment constraint */
+
+ if (constraints.alignmentConstraint) {
+ if (constraints.alignmentConstraint.vertical) {
+ var xAlign = constraints.alignmentConstraint.vertical;
+
+ var _loop4 = function _loop4(_i9) {
+ var alignmentSet = new Set();
+ xAlign[_i9].forEach(function (nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ var intersection = new Set([].concat(_toConsumableArray(alignmentSet)).filter(function (x) {
+ return fixedNodes.has(x);
+ }));
+ var xPos = void 0;
+ if (intersection.size > 0) xPos = xCoords[nodeIndexes.get(intersection.values().next().value)];else xPos = calculateAvgPosition(alignmentSet).x;
+
+ alignmentSet.forEach(function (nodeId) {
+ if (!fixedNodes.has(nodeId)) xCoords[nodeIndexes.get(nodeId)] = xPos;
+ });
+ };
+
+ for (var _i9 = 0; _i9 < xAlign.length; _i9++) {
+ _loop4(_i9);
+ }
+ }
+ if (constraints.alignmentConstraint.horizontal) {
+ var yAlign = constraints.alignmentConstraint.horizontal;
+
+ var _loop5 = function _loop5(_i10) {
+ var alignmentSet = new Set();
+ yAlign[_i10].forEach(function (nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ var intersection = new Set([].concat(_toConsumableArray(alignmentSet)).filter(function (x) {
+ return fixedNodes.has(x);
+ }));
+ var yPos = void 0;
+ if (intersection.size > 0) yPos = yCoords[nodeIndexes.get(intersection.values().next().value)];else yPos = calculateAvgPosition(alignmentSet).y;
+
+ alignmentSet.forEach(function (nodeId) {
+ if (!fixedNodes.has(nodeId)) yCoords[nodeIndexes.get(nodeId)] = yPos;
+ });
+ };
+
+ for (var _i10 = 0; _i10 < yAlign.length; _i10++) {
+ _loop5(_i10);
+ }
+ }
+ }
+
+ /* finally enforce relative placement constraint */
+
+ if (constraints.relativePlacementConstraint) {
+ (function () {
+ var nodeToDummyForVerticalAlignment = new Map();
+ var nodeToDummyForHorizontalAlignment = new Map();
+ var dummyToNodeForVerticalAlignment = new Map();
+ var dummyToNodeForHorizontalAlignment = new Map();
+ var dummyPositionsForVerticalAlignment = new Map();
+ var dummyPositionsForHorizontalAlignment = new Map();
+ var fixedNodesOnHorizontal = new Set();
+ var fixedNodesOnVertical = new Set();
+
+ // fill maps and sets
+ fixedNodes.forEach(function (nodeId) {
+ fixedNodesOnHorizontal.add(nodeId);
+ fixedNodesOnVertical.add(nodeId);
+ });
+
+ if (constraints.alignmentConstraint) {
+ if (constraints.alignmentConstraint.vertical) {
+ var verticalAlignment = constraints.alignmentConstraint.vertical;
+
+ var _loop6 = function _loop6(_i11) {
+ dummyToNodeForVerticalAlignment.set("dummy" + _i11, []);
+ verticalAlignment[_i11].forEach(function (nodeId) {
+ nodeToDummyForVerticalAlignment.set(nodeId, "dummy" + _i11);
+ dummyToNodeForVerticalAlignment.get("dummy" + _i11).push(nodeId);
+ if (fixedNodes.has(nodeId)) {
+ fixedNodesOnHorizontal.add("dummy" + _i11);
+ }
+ });
+ dummyPositionsForVerticalAlignment.set("dummy" + _i11, xCoords[nodeIndexes.get(verticalAlignment[_i11][0])]);
+ };
+
+ for (var _i11 = 0; _i11 < verticalAlignment.length; _i11++) {
+ _loop6(_i11);
+ }
+ }
+ if (constraints.alignmentConstraint.horizontal) {
+ var horizontalAlignment = constraints.alignmentConstraint.horizontal;
+
+ var _loop7 = function _loop7(_i12) {
+ dummyToNodeForHorizontalAlignment.set("dummy" + _i12, []);
+ horizontalAlignment[_i12].forEach(function (nodeId) {
+ nodeToDummyForHorizontalAlignment.set(nodeId, "dummy" + _i12);
+ dummyToNodeForHorizontalAlignment.get("dummy" + _i12).push(nodeId);
+ if (fixedNodes.has(nodeId)) {
+ fixedNodesOnVertical.add("dummy" + _i12);
+ }
+ });
+ dummyPositionsForHorizontalAlignment.set("dummy" + _i12, yCoords[nodeIndexes.get(horizontalAlignment[_i12][0])]);
+ };
+
+ for (var _i12 = 0; _i12 < horizontalAlignment.length; _i12++) {
+ _loop7(_i12);
+ }
+ }
+ }
+
+ // construct horizontal and vertical dags (subgraphs) from overall dag
+ var dagOnHorizontal = new Map();
+ var dagOnVertical = new Map();
+
+ var _loop8 = function _loop8(nodeId) {
+ dag.get(nodeId).forEach(function (adjacent) {
+ var sourceId = void 0;
+ var targetNode = void 0;
+ if (adjacent["direction"] == "horizontal") {
+ sourceId = nodeToDummyForVerticalAlignment.get(nodeId) ? nodeToDummyForVerticalAlignment.get(nodeId) : nodeId;
+ if (nodeToDummyForVerticalAlignment.get(adjacent.id)) {
+ targetNode = { id: nodeToDummyForVerticalAlignment.get(adjacent.id), gap: adjacent.gap, direction: adjacent.direction };
+ } else {
+ targetNode = adjacent;
+ }
+ if (dagOnHorizontal.has(sourceId)) {
+ dagOnHorizontal.get(sourceId).push(targetNode);
+ } else {
+ dagOnHorizontal.set(sourceId, [targetNode]);
+ }
+ if (!dagOnHorizontal.has(targetNode.id)) {
+ dagOnHorizontal.set(targetNode.id, []);
+ }
+ } else {
+ sourceId = nodeToDummyForHorizontalAlignment.get(nodeId) ? nodeToDummyForHorizontalAlignment.get(nodeId) : nodeId;
+ if (nodeToDummyForHorizontalAlignment.get(adjacent.id)) {
+ targetNode = { id: nodeToDummyForHorizontalAlignment.get(adjacent.id), gap: adjacent.gap, direction: adjacent.direction };
+ } else {
+ targetNode = adjacent;
+ }
+ if (dagOnVertical.has(sourceId)) {
+ dagOnVertical.get(sourceId).push(targetNode);
+ } else {
+ dagOnVertical.set(sourceId, [targetNode]);
+ }
+ if (!dagOnVertical.has(targetNode.id)) {
+ dagOnVertical.set(targetNode.id, []);
+ }
+ }
+ });
+ };
+
+ var _iteratorNormalCompletion5 = true;
+ var _didIteratorError5 = false;
+ var _iteratorError5 = undefined;
+
+ try {
+ for (var _iterator5 = dag.keys()[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) {
+ var nodeId = _step5.value;
+
+ _loop8(nodeId);
+ }
+
+ // find source nodes of each component in horizontal and vertical dags
+ } catch (err) {
+ _didIteratorError5 = true;
+ _iteratorError5 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion5 && _iterator5.return) {
+ _iterator5.return();
+ }
+ } finally {
+ if (_didIteratorError5) {
+ throw _iteratorError5;
+ }
+ }
+ }
+
+ var undirectedOnHorizontal = dagToUndirected(dagOnHorizontal);
+ var undirectedOnVertical = dagToUndirected(dagOnVertical);
+ var componentsOnHorizontal = findComponents(undirectedOnHorizontal);
+ var componentsOnVertical = findComponents(undirectedOnVertical);
+ var reversedDagOnHorizontal = dagToReversed(dagOnHorizontal);
+ var reversedDagOnVertical = dagToReversed(dagOnVertical);
+ var componentSourcesOnHorizontal = [];
+ var componentSourcesOnVertical = [];
+
+ componentsOnHorizontal.forEach(function (component, index) {
+ componentSourcesOnHorizontal[index] = [];
+ component.forEach(function (nodeId) {
+ if (reversedDagOnHorizontal.get(nodeId).length == 0) {
+ componentSourcesOnHorizontal[index].push(nodeId);
+ }
+ });
+ });
+
+ componentsOnVertical.forEach(function (component, index) {
+ componentSourcesOnVertical[index] = [];
+ component.forEach(function (nodeId) {
+ if (reversedDagOnVertical.get(nodeId).length == 0) {
+ componentSourcesOnVertical[index].push(nodeId);
+ }
+ });
+ });
+
+ // calculate appropriate positioning for subgraphs
+ var positionMapHorizontal = findAppropriatePositionForRelativePlacement(dagOnHorizontal, "horizontal", fixedNodesOnHorizontal, dummyPositionsForVerticalAlignment, componentSourcesOnHorizontal);
+ var positionMapVertical = findAppropriatePositionForRelativePlacement(dagOnVertical, "vertical", fixedNodesOnVertical, dummyPositionsForHorizontalAlignment, componentSourcesOnVertical);
+
+ // update positions of the nodes based on relative placement constraints
+
+ var _loop9 = function _loop9(key) {
+ if (dummyToNodeForVerticalAlignment.get(key)) {
+ dummyToNodeForVerticalAlignment.get(key).forEach(function (nodeId) {
+ xCoords[nodeIndexes.get(nodeId)] = positionMapHorizontal.get(key);
+ });
+ } else {
+ xCoords[nodeIndexes.get(key)] = positionMapHorizontal.get(key);
+ }
+ };
+
+ var _iteratorNormalCompletion6 = true;
+ var _didIteratorError6 = false;
+ var _iteratorError6 = undefined;
+
+ try {
+ for (var _iterator6 = positionMapHorizontal.keys()[Symbol.iterator](), _step6; !(_iteratorNormalCompletion6 = (_step6 = _iterator6.next()).done); _iteratorNormalCompletion6 = true) {
+ var key = _step6.value;
+
+ _loop9(key);
+ }
+ } catch (err) {
+ _didIteratorError6 = true;
+ _iteratorError6 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion6 && _iterator6.return) {
+ _iterator6.return();
+ }
+ } finally {
+ if (_didIteratorError6) {
+ throw _iteratorError6;
+ }
+ }
+ }
+
+ var _loop10 = function _loop10(key) {
+ if (dummyToNodeForHorizontalAlignment.get(key)) {
+ dummyToNodeForHorizontalAlignment.get(key).forEach(function (nodeId) {
+ yCoords[nodeIndexes.get(nodeId)] = positionMapVertical.get(key);
+ });
+ } else {
+ yCoords[nodeIndexes.get(key)] = positionMapVertical.get(key);
+ }
+ };
+
+ var _iteratorNormalCompletion7 = true;
+ var _didIteratorError7 = false;
+ var _iteratorError7 = undefined;
+
+ try {
+ for (var _iterator7 = positionMapVertical.keys()[Symbol.iterator](), _step7; !(_iteratorNormalCompletion7 = (_step7 = _iterator7.next()).done); _iteratorNormalCompletion7 = true) {
+ var key = _step7.value;
+
+ _loop10(key);
+ }
+ } catch (err) {
+ _didIteratorError7 = true;
+ _iteratorError7 = err;
+ } finally {
+ try {
+ if (!_iteratorNormalCompletion7 && _iterator7.return) {
+ _iterator7.return();
+ }
+ } finally {
+ if (_didIteratorError7) {
+ throw _iteratorError7;
+ }
+ }
+ }
+ })();
+ }
+ }
+
+ // assign new coordinates to nodes after constraint handling
+ for (var _i13 = 0; _i13 < allNodes.length; _i13++) {
+ var _node = allNodes[_i13];
+ if (_node.getChild() == null) {
+ _node.setCenter(xCoords[nodeIndexes.get(_node.id)], yCoords[nodeIndexes.get(_node.id)]);
+ }
+ }
+};
+
+module.exports = ConstraintHandler;
+
+/***/ }),
+
+/***/ 551:
+/***/ ((module) => {
+
+module.exports = __WEBPACK_EXTERNAL_MODULE__551__;
+
+/***/ })
+
+/******/ });
+/************************************************************************/
+/******/ // The module cache
+/******/ var __webpack_module_cache__ = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/ // Check if module is in cache
+/******/ var cachedModule = __webpack_module_cache__[moduleId];
+/******/ if (cachedModule !== undefined) {
+/******/ return cachedModule.exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = __webpack_module_cache__[moduleId] = {
+/******/ // no module.id needed
+/******/ // no module.loaded needed
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/************************************************************************/
+/******/
+/******/ // startup
+/******/ // Load entry module and return exports
+/******/ // This entry module is referenced by other modules so it can't be inlined
+/******/ var __webpack_exports__ = __webpack_require__(45);
+/******/
+/******/ return __webpack_exports__;
+/******/ })()
+;
+});
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/index.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..7365a7e1d31bba4a197702b0902835a210dbec7c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+let coseBase = {};
+
+coseBase.layoutBase = require('layout-base');
+coseBase.CoSEConstants = require('./src/CoSEConstants');
+coseBase.CoSEEdge = require('./src/CoSEEdge');
+coseBase.CoSEGraph = require('./src/CoSEGraph');
+coseBase.CoSEGraphManager = require('./src/CoSEGraphManager');
+coseBase.CoSELayout = require('./src/CoSELayout');
+coseBase.CoSENode = require('./src/CoSENode');
+coseBase.ConstraintHandler = require('./src/ConstraintHandler');
+
+module.exports = coseBase;
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/package.json b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..2c21755ce6683c8843d4cd2eae2e2a4e71745c03
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/package.json
@@ -0,0 +1,40 @@
+{
+ "name": "cose-base",
+ "version": "2.2.0",
+ "description": "Core module for compound spring embedder based layout styles",
+ "main": "cose-base.js",
+ "scripts": {
+ "test": "echo \"Error: no test specified\" && exit 1",
+ "build": "cross-env NODE_ENV=production webpack",
+ "build:min": "cross-env NODE_ENV=production MIN=true webpack"
+ },
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/iVis-at-Bilkent/cose-base.git"
+ },
+ "author": "",
+ "license": "MIT",
+ "bugs": {
+ "url": "https://github.com/iVis-at-Bilkent/cose-base/issues"
+ },
+ "homepage": "https://github.com/iVis-at-Bilkent/cose-base#readme",
+ "devDependencies": {
+ "babel-core": "^6.24.1",
+ "babel-loader": "^7.0.0",
+ "babel-preset-env": "^1.5.1",
+ "camelcase": "^4.1.0",
+ "cross-env": "^5.1.6",
+ "eslint": "^3.19.0",
+ "gh-pages": "^1.1.0",
+ "npm-run-all": "^4.1.2",
+ "rimraf": "^2.6.2",
+ "update": "^0.7.4",
+ "updater-license": "^1.0.0",
+ "webpack": "^5.36.1",
+ "webpack-cli": "^4.6.0",
+ "webpack-dev-server": "^3.11.2"
+ },
+ "dependencies": {
+ "layout-base": "^2.0.0"
+ }
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEConstants.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEConstants.js
new file mode 100644
index 0000000000000000000000000000000000000000..aca390c4c14398b9f0246229fbd38fc086d7f73d
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEConstants.js
@@ -0,0 +1,26 @@
+var FDLayoutConstants = require('layout-base').FDLayoutConstants;
+
+function CoSEConstants() {
+}
+
+//CoSEConstants inherits static props in FDLayoutConstants
+for (var prop in FDLayoutConstants) {
+ CoSEConstants[prop] = FDLayoutConstants[prop];
+}
+
+CoSEConstants.DEFAULT_USE_MULTI_LEVEL_SCALING = false;
+CoSEConstants.DEFAULT_RADIAL_SEPARATION = FDLayoutConstants.DEFAULT_EDGE_LENGTH;
+CoSEConstants.DEFAULT_COMPONENT_SEPERATION = 60;
+CoSEConstants.TILE = true;
+CoSEConstants.TILING_PADDING_VERTICAL = 10;
+CoSEConstants.TILING_PADDING_HORIZONTAL = 10;
+CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = true;
+CoSEConstants.ENFORCE_CONSTRAINTS = true;
+CoSEConstants.APPLY_LAYOUT = true;
+CoSEConstants.RELAX_MOVEMENT_ON_CONSTRAINTS = true;
+CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL = true; // this should be set to false if there will be a constraint
+// This constant is for differentiating whether actual layout algorithm that uses cose-base wants to apply only incremental layout or
+// an incremental layout on top of a randomized layout. If it is only incremental layout, then this constant should be true.
+CoSEConstants.PURE_INCREMENTAL = CoSEConstants.DEFAULT_INCREMENTAL;
+
+module.exports = CoSEConstants;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEEdge.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEEdge.js
new file mode 100644
index 0000000000000000000000000000000000000000..2cb56cbe73479bbb06bc3b7381c712d8866e5868
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEEdge.js
@@ -0,0 +1,12 @@
+var FDLayoutEdge = require('layout-base').FDLayoutEdge;
+
+function CoSEEdge(source, target, vEdge) {
+ FDLayoutEdge.call(this, source, target, vEdge);
+}
+
+CoSEEdge.prototype = Object.create(FDLayoutEdge.prototype);
+for (var prop in FDLayoutEdge) {
+ CoSEEdge[prop] = FDLayoutEdge[prop];
+}
+
+module.exports = CoSEEdge
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEGraph.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEGraph.js
new file mode 100644
index 0000000000000000000000000000000000000000..cc3f1f5992834df6a0c40c8f7798db137fea9b0a
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEGraph.js
@@ -0,0 +1,12 @@
+var LGraph = require('layout-base').LGraph;
+
+function CoSEGraph(parent, graphMgr, vGraph) {
+ LGraph.call(this, parent, graphMgr, vGraph);
+}
+
+CoSEGraph.prototype = Object.create(LGraph.prototype);
+for (var prop in LGraph) {
+ CoSEGraph[prop] = LGraph[prop];
+}
+
+module.exports = CoSEGraph;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEGraphManager.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEGraphManager.js
new file mode 100644
index 0000000000000000000000000000000000000000..55bb9e4fc5bb6ffb2ab2a1cdc005f4ee44f4ab4e
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSEGraphManager.js
@@ -0,0 +1,12 @@
+var LGraphManager = require('layout-base').LGraphManager;
+
+function CoSEGraphManager(layout) {
+ LGraphManager.call(this, layout);
+}
+
+CoSEGraphManager.prototype = Object.create(LGraphManager.prototype);
+for (var prop in LGraphManager) {
+ CoSEGraphManager[prop] = LGraphManager[prop];
+}
+
+module.exports = CoSEGraphManager;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSELayout.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSELayout.js
new file mode 100644
index 0000000000000000000000000000000000000000..30490490dbcf778ce2a188be8f7776721eeb4f3c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSELayout.js
@@ -0,0 +1,2037 @@
+var FDLayout = require('layout-base').FDLayout;
+var CoSEGraphManager = require('./CoSEGraphManager');
+var CoSEGraph = require('./CoSEGraph');
+var CoSENode = require('./CoSENode');
+var CoSEEdge = require('./CoSEEdge');
+var CoSEConstants = require('./CoSEConstants');
+var ConstraintHandler = require('./ConstraintHandler');
+var FDLayoutConstants = require('layout-base').FDLayoutConstants;
+var LayoutConstants = require('layout-base').LayoutConstants;
+var Point = require('layout-base').Point;
+var PointD = require('layout-base').PointD;
+var DimensionD = require('layout-base').DimensionD;
+var Layout = require('layout-base').Layout;
+var Integer = require('layout-base').Integer;
+var IGeometry = require('layout-base').IGeometry;
+var LGraph = require('layout-base').LGraph;
+var Transform = require('layout-base').Transform;
+var LinkedList = require('layout-base').LinkedList;
+
+function CoSELayout() {
+ FDLayout.call(this);
+
+ this.toBeTiled = {}; // Memorize if a node is to be tiled or is tiled
+ this.constraints = {}; // keep layout constraints
+}
+
+CoSELayout.prototype = Object.create(FDLayout.prototype);
+
+for (var prop in FDLayout) {
+ CoSELayout[prop] = FDLayout[prop];
+}
+
+CoSELayout.prototype.newGraphManager = function () {
+ var gm = new CoSEGraphManager(this);
+ this.graphManager = gm;
+ return gm;
+};
+
+CoSELayout.prototype.newGraph = function (vGraph) {
+ return new CoSEGraph(null, this.graphManager, vGraph);
+};
+
+CoSELayout.prototype.newNode = function (vNode) {
+ return new CoSENode(this.graphManager, vNode);
+};
+
+CoSELayout.prototype.newEdge = function (vEdge) {
+ return new CoSEEdge(null, null, vEdge);
+};
+
+CoSELayout.prototype.initParameters = function () {
+ FDLayout.prototype.initParameters.call(this, arguments);
+ if (!this.isSubLayout) {
+ if (CoSEConstants.DEFAULT_EDGE_LENGTH < 10)
+ {
+ this.idealEdgeLength = 10;
+ }
+ else
+ {
+ this.idealEdgeLength = CoSEConstants.DEFAULT_EDGE_LENGTH;
+ }
+
+ this.useSmartIdealEdgeLengthCalculation =
+ CoSEConstants.DEFAULT_USE_SMART_IDEAL_EDGE_LENGTH_CALCULATION;
+ this.gravityConstant =
+ FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH;
+ this.compoundGravityConstant =
+ FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH;
+ this.gravityRangeFactor =
+ FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR;
+ this.compoundGravityRangeFactor =
+ FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR;
+
+ // variables for tree reduction support
+ this.prunedNodesAll = [];
+ this.growTreeIterations = 0;
+ this.afterGrowthIterations = 0;
+ this.isTreeGrowing = false;
+ this.isGrowthFinished = false;
+ }
+};
+
+// This method is used to set CoSE related parameters used by spring embedder.
+CoSELayout.prototype.initSpringEmbedder = function () {
+ FDLayout.prototype.initSpringEmbedder.call(this);
+
+ // variables for cooling
+ this.coolingCycle = 0;
+ this.maxCoolingCycle = this.maxIterations/FDLayoutConstants.CONVERGENCE_CHECK_PERIOD;
+ this.finalTemperature = 0.04;
+ this.coolingAdjuster = 1;
+};
+
+CoSELayout.prototype.layout = function () {
+ var createBendsAsNeeded = LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED;
+ if (createBendsAsNeeded)
+ {
+ this.createBendpoints();
+ this.graphManager.resetAllEdges();
+ }
+
+ this.level = 0;
+ return this.classicLayout();
+};
+
+CoSELayout.prototype.classicLayout = function () {
+ this.nodesWithGravity = this.calculateNodesToApplyGravitationTo();
+ this.graphManager.setAllNodesToApplyGravitation(this.nodesWithGravity);
+ this.calcNoOfChildrenForAllNodes();
+ this.graphManager.calcLowestCommonAncestors();
+ this.graphManager.calcInclusionTreeDepths();
+ this.graphManager.getRoot().calcEstimatedSize();
+ this.calcIdealEdgeLengths();
+
+ if (!this.incremental)
+ {
+ var forest = this.getFlatForest();
+
+ // The graph associated with this layout is flat and a forest
+ if (forest.length > 0)
+ {
+ this.positionNodesRadially(forest);
+ }
+ // The graph associated with this layout is not flat or a forest
+ else
+ {
+ // Reduce the trees when incremental mode is not enabled and graph is not a forest
+ this.reduceTrees();
+ // Update nodes that gravity will be applied
+ this.graphManager.resetAllNodesToApplyGravitation();
+ var allNodes = new Set(this.getAllNodes());
+ var intersection = this.nodesWithGravity.filter(x => allNodes.has(x));
+ this.graphManager.setAllNodesToApplyGravitation(intersection);
+
+ this.positionNodesRandomly();
+ }
+ }
+ else {
+ if(CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL){
+ // Reduce the trees in incremental mode if only this constant is set to true
+ this.reduceTrees();
+ // Update nodes that gravity will be applied
+ this.graphManager.resetAllNodesToApplyGravitation();
+ var allNodes = new Set(this.getAllNodes());
+ var intersection = this.nodesWithGravity.filter(x => allNodes.has(x));
+ this.graphManager.setAllNodesToApplyGravitation(intersection);
+ }
+ }
+
+ if(Object.keys(this.constraints).length > 0){
+ ConstraintHandler.handleConstraints(this);
+ this.initConstraintVariables();
+ }
+
+ this.initSpringEmbedder();
+ if (CoSEConstants.APPLY_LAYOUT) {
+ this.runSpringEmbedder();
+ }
+
+ return true;
+};
+
+CoSELayout.prototype.tick = function() {
+ this.totalIterations++;
+
+ if (this.totalIterations === this.maxIterations && !this.isTreeGrowing && !this.isGrowthFinished) {
+ if(this.prunedNodesAll.length > 0){
+ this.isTreeGrowing = true;
+ }
+ else {
+ return true;
+ }
+ }
+
+ if (this.totalIterations % FDLayoutConstants.CONVERGENCE_CHECK_PERIOD == 0 && !this.isTreeGrowing && !this.isGrowthFinished)
+ {
+ if (this.isConverged())
+ {
+ if(this.prunedNodesAll.length > 0){
+ this.isTreeGrowing = true;
+ }
+ else {
+ return true;
+ }
+ }
+
+ this.coolingCycle++;
+
+ if(this.layoutQuality == 0) {
+ // quality - "draft"
+ this.coolingAdjuster = this.coolingCycle;
+ }
+ else if(this.layoutQuality == 1) {
+ // quality - "default"
+ this.coolingAdjuster = this.coolingCycle / 3;
+ }
+
+ // cooling schedule is based on http://www.btluke.com/simanf1.html -> cooling schedule 3
+ this.coolingFactor = Math.max(this.initialCoolingFactor - Math.pow(this.coolingCycle, Math.log(100 * (this.initialCoolingFactor - this.finalTemperature)) / Math.log(this.maxCoolingCycle))/100 * this.coolingAdjuster, this.finalTemperature);
+ this.animationPeriod = Math.ceil(this.initialAnimationPeriod * Math.sqrt(this.coolingFactor));
+ }
+ // Operations while tree is growing again
+ if(this.isTreeGrowing){
+ if(this.growTreeIterations % 10 == 0){
+ if(this.prunedNodesAll.length > 0) {
+ this.graphManager.updateBounds();
+ this.updateGrid();
+ this.growTree(this.prunedNodesAll);
+ // Update nodes that gravity will be applied
+ this.graphManager.resetAllNodesToApplyGravitation();
+ var allNodes = new Set(this.getAllNodes());
+ var intersection = this.nodesWithGravity.filter(x => allNodes.has(x));
+ this.graphManager.setAllNodesToApplyGravitation(intersection);
+
+ this.graphManager.updateBounds();
+ this.updateGrid();
+ if(CoSEConstants.PURE_INCREMENTAL)
+ this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL / 2;
+ else
+ this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL;
+ }
+ else {
+ this.isTreeGrowing = false;
+ this.isGrowthFinished = true;
+ }
+ }
+ this.growTreeIterations++;
+ }
+ // Operations after growth is finished
+ if(this.isGrowthFinished){
+ if (this.isConverged())
+ {
+ return true;
+ }
+ if(this.afterGrowthIterations % 10 == 0){
+ this.graphManager.updateBounds();
+ this.updateGrid();
+ }
+ if(CoSEConstants.PURE_INCREMENTAL)
+ this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL / 2 * ((100 - this.afterGrowthIterations) / 100);
+ else
+ this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL * ((100 - this.afterGrowthIterations) / 100);
+ this.afterGrowthIterations++;
+ }
+
+ var gridUpdateAllowed = !this.isTreeGrowing && !this.isGrowthFinished;
+ var forceToNodeSurroundingUpdate = (this.growTreeIterations % 10 == 1 && this.isTreeGrowing) || (this.afterGrowthIterations % 10 == 1 && this.isGrowthFinished);
+
+ this.totalDisplacement = 0;
+ this.graphManager.updateBounds();
+ this.calcSpringForces();
+ this.calcRepulsionForces(gridUpdateAllowed, forceToNodeSurroundingUpdate);
+ this.calcGravitationalForces();
+ this.moveNodes();
+ this.animate();
+
+ return false; // Layout is not ended yet return false
+};
+
+CoSELayout.prototype.getPositionsData = function() {
+ var allNodes = this.graphManager.getAllNodes();
+ var pData = {};
+ for (var i = 0; i < allNodes.length; i++) {
+ var rect = allNodes[i].rect;
+ var id = allNodes[i].id;
+ pData[id] = {
+ id: id,
+ x: rect.getCenterX(),
+ y: rect.getCenterY(),
+ w: rect.width,
+ h: rect.height
+ };
+ }
+
+ return pData;
+};
+
+CoSELayout.prototype.runSpringEmbedder = function () {
+ this.initialAnimationPeriod = 25;
+ this.animationPeriod = this.initialAnimationPeriod;
+ var layoutEnded = false;
+
+ // If aminate option is 'during' signal that layout is supposed to start iterating
+ if ( FDLayoutConstants.ANIMATE === 'during' ) {
+ this.emit('layoutstarted');
+ }
+ else {
+ // If aminate option is 'during' tick() function will be called on index.js
+ while (!layoutEnded) {
+ layoutEnded = this.tick();
+ }
+
+ this.graphManager.updateBounds();
+ }
+};
+
+// overrides moveNodes method in FDLayout
+CoSELayout.prototype.moveNodes = function () {
+ var lNodes = this.getAllNodes();
+ var node;
+
+ // calculate displacement for each node
+ for (var i = 0; i < lNodes.length; i++)
+ {
+ node = lNodes[i];
+ node.calculateDisplacement();
+ }
+
+ if(Object.keys(this.constraints).length > 0){
+ this.updateDisplacements();
+ }
+
+ // move each node
+ for (var i = 0; i < lNodes.length; i++)
+ {
+ node = lNodes[i];
+ node.move();
+ }
+};
+
+// constraint related methods: initConstraintVariables and updateDisplacements
+
+// initialize constraint related variables
+CoSELayout.prototype.initConstraintVariables = function () {
+ var self = this;
+ this.idToNodeMap = new Map();
+ this.fixedNodeSet = new Set();
+
+ var allNodes = this.graphManager.getAllNodes();
+
+ // fill idToNodeMap
+ for(var i = 0; i < allNodes.length; i++) {
+ var node = allNodes[i];
+ this.idToNodeMap.set(node.id, node);
+ }
+
+ // calculate fixed node weight for given compound node
+ var calculateCompoundWeight = function(compoundNode) {
+ var nodes = compoundNode.getChild().getNodes();
+ var node;
+ var fixedNodeWeight = 0;
+ for (var i = 0; i < nodes.length; i++) {
+ node = nodes[i];
+ if (node.getChild() == null) {
+ if(self.fixedNodeSet.has(node.id)) {
+ fixedNodeWeight += 100;
+ }
+ } else {
+ fixedNodeWeight += calculateCompoundWeight(node);
+ }
+ }
+ return fixedNodeWeight;
+ };
+
+ if (this.constraints.fixedNodeConstraint) {
+ // fill fixedNodeSet
+ this.constraints.fixedNodeConstraint.forEach(function (nodeData) {
+ self.fixedNodeSet.add(nodeData.nodeId);
+ });
+
+ // assign fixed node weights to compounds if they contain fixed nodes
+ var allNodes = this.graphManager.getAllNodes();
+ var node;
+
+ for (var i = 0; i < allNodes.length; i++) {
+ node = allNodes[i];
+ if (node.getChild() != null) {
+ let fixedNodeWeight = calculateCompoundWeight(node);
+ if (fixedNodeWeight > 0) {
+ node.fixedNodeWeight = fixedNodeWeight;
+ }
+ }
+ }
+ }
+
+ if(this.constraints.relativePlacementConstraint) {
+ var nodeToDummyForVerticalAlignment = new Map();
+ var nodeToDummyForHorizontalAlignment = new Map();
+ this.dummyToNodeForVerticalAlignment = new Map();
+ this.dummyToNodeForHorizontalAlignment = new Map();
+ this.fixedNodesOnHorizontal = new Set();
+ this.fixedNodesOnVertical = new Set();
+
+ // fill maps and sets
+ this.fixedNodeSet.forEach(function(nodeId){
+ self.fixedNodesOnHorizontal.add(nodeId);
+ self.fixedNodesOnVertical.add(nodeId);
+ });
+
+ if(this.constraints.alignmentConstraint) {
+ if(this.constraints.alignmentConstraint.vertical) {
+ var verticalAlignment = this.constraints.alignmentConstraint.vertical;
+ for(var i = 0; i < verticalAlignment.length; i++) {
+ this.dummyToNodeForVerticalAlignment.set("dummy" + i, []);
+ verticalAlignment[i].forEach(function(nodeId){
+ nodeToDummyForVerticalAlignment.set(nodeId, "dummy" + i);
+ self.dummyToNodeForVerticalAlignment.get("dummy" + i).push(nodeId);
+ if(self.fixedNodeSet.has(nodeId)) {
+ self.fixedNodesOnHorizontal.add("dummy" + i);
+ }
+ });
+ }
+ }
+ if(this.constraints.alignmentConstraint.horizontal){
+ var horizontalAlignment = this.constraints.alignmentConstraint.horizontal;
+ for(var i = 0; i < horizontalAlignment.length; i++){
+ this.dummyToNodeForHorizontalAlignment.set("dummy" + i, []);
+ horizontalAlignment[i].forEach(function(nodeId){
+ nodeToDummyForHorizontalAlignment.set(nodeId, "dummy" + i);
+ self.dummyToNodeForHorizontalAlignment.get("dummy" + i).push(nodeId);
+ if(self.fixedNodeSet.has(nodeId)){
+ self.fixedNodesOnVertical.add("dummy" + i);
+ }
+ });
+ }
+ }
+ }
+
+ if(CoSEConstants.RELAX_MOVEMENT_ON_CONSTRAINTS) {
+
+ this.shuffle = function (array) {
+ var j, x, i;
+ for (i = array.length - 1; i >= (2 * array.length / 3); i--) {
+ j = Math.floor(Math.random() * (i + 1));
+ x = array[i];
+ array[i] = array[j];
+ array[j] = x;
+ }
+ return array;
+ };
+
+ this.nodesInRelativeHorizontal = [];
+ this.nodesInRelativeVertical = [];
+ this.nodeToRelativeConstraintMapHorizontal = new Map();
+ this.nodeToRelativeConstraintMapVertical = new Map();
+ this.nodeToTempPositionMapHorizontal = new Map();
+ this.nodeToTempPositionMapVertical = new Map();
+
+ // fill arrays and maps
+ this.constraints.relativePlacementConstraint.forEach(function(constraint) {
+ if(constraint.left) {
+ let nodeIdLeft = nodeToDummyForVerticalAlignment.has(constraint.left) ? nodeToDummyForVerticalAlignment.get(constraint.left) : constraint.left;
+ let nodeIdRight = nodeToDummyForVerticalAlignment.has(constraint.right) ? nodeToDummyForVerticalAlignment.get(constraint.right) : constraint.right;
+
+ if(!self.nodesInRelativeHorizontal.includes(nodeIdLeft)) {
+ self.nodesInRelativeHorizontal.push(nodeIdLeft);
+ self.nodeToRelativeConstraintMapHorizontal.set(nodeIdLeft, []);
+ if(self.dummyToNodeForVerticalAlignment.has(nodeIdLeft)) {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdLeft, self.idToNodeMap.get(self.dummyToNodeForVerticalAlignment.get(nodeIdLeft)[0]).getCenterX());
+ }
+ else {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdLeft, self.idToNodeMap.get(nodeIdLeft).getCenterX());
+ }
+ }
+ if(!self.nodesInRelativeHorizontal.includes(nodeIdRight)) {
+ self.nodesInRelativeHorizontal.push(nodeIdRight);
+ self.nodeToRelativeConstraintMapHorizontal.set(nodeIdRight, []);
+ if(self.dummyToNodeForVerticalAlignment.has(nodeIdRight)) {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdRight, self.idToNodeMap.get(self.dummyToNodeForVerticalAlignment.get(nodeIdRight)[0]).getCenterX());
+ }
+ else {
+ self.nodeToTempPositionMapHorizontal.set(nodeIdRight, self.idToNodeMap.get(nodeIdRight).getCenterX());
+ }
+ }
+
+ self.nodeToRelativeConstraintMapHorizontal.get(nodeIdLeft).push({right: nodeIdRight, gap: constraint.gap});
+ self.nodeToRelativeConstraintMapHorizontal.get(nodeIdRight).push({left: nodeIdLeft, gap: constraint.gap});
+ }
+ else {
+ let nodeIdTop = nodeToDummyForHorizontalAlignment.has(constraint.top) ? nodeToDummyForHorizontalAlignment.get(constraint.top) : constraint.top;
+ let nodeIdBottom = nodeToDummyForHorizontalAlignment.has(constraint.bottom) ? nodeToDummyForHorizontalAlignment.get(constraint.bottom) : constraint.bottom;
+
+ if(!self.nodesInRelativeVertical.includes(nodeIdTop)) {
+ self.nodesInRelativeVertical.push(nodeIdTop);
+ self.nodeToRelativeConstraintMapVertical.set(nodeIdTop, []);
+ if(self.dummyToNodeForHorizontalAlignment.has(nodeIdTop)) {
+ self.nodeToTempPositionMapVertical.set(nodeIdTop, self.idToNodeMap.get(self.dummyToNodeForHorizontalAlignment.get(nodeIdTop)[0]).getCenterY());
+ }
+ else {
+ self.nodeToTempPositionMapVertical.set(nodeIdTop, self.idToNodeMap.get(nodeIdTop).getCenterY());
+ }
+ }
+ if(!self.nodesInRelativeVertical.includes(nodeIdBottom)) {
+ self.nodesInRelativeVertical.push(nodeIdBottom);
+ self.nodeToRelativeConstraintMapVertical.set(nodeIdBottom, []);
+ if(self.dummyToNodeForHorizontalAlignment.has(nodeIdBottom)) {
+ self.nodeToTempPositionMapVertical.set(nodeIdBottom, self.idToNodeMap.get(self.dummyToNodeForHorizontalAlignment.get(nodeIdBottom)[0]).getCenterY());
+ }
+ else {
+ self.nodeToTempPositionMapVertical.set(nodeIdBottom, self.idToNodeMap.get(nodeIdBottom).getCenterY());
+ }
+ }
+ self.nodeToRelativeConstraintMapVertical.get(nodeIdTop).push({bottom: nodeIdBottom, gap: constraint.gap});
+ self.nodeToRelativeConstraintMapVertical.get(nodeIdBottom).push({top: nodeIdTop, gap: constraint.gap});
+ }
+ });
+ }
+ else {
+ var subGraphOnHorizontal = new Map(); // subgraph from vertical RP constraints
+ var subGraphOnVertical = new Map(); // subgraph from vertical RP constraints
+
+ // construct subgraphs from relative placement constraints
+ this.constraints.relativePlacementConstraint.forEach(function(constraint) {
+ if(constraint.left) {
+ var left = nodeToDummyForVerticalAlignment.has(constraint.left) ? nodeToDummyForVerticalAlignment.get(constraint.left) : constraint.left;
+ var right = nodeToDummyForVerticalAlignment.has(constraint.right) ? nodeToDummyForVerticalAlignment.get(constraint.right) : constraint.right;
+ if(subGraphOnHorizontal.has(left)) {
+ subGraphOnHorizontal.get(left).push(right);
+ }
+ else {
+ subGraphOnHorizontal.set(left, [right]);
+ }
+ if(subGraphOnHorizontal.has(right)) {
+ subGraphOnHorizontal.get(right).push(left);
+ }
+ else {
+ subGraphOnHorizontal.set(right, [left]);
+ }
+ }
+ else {
+ var top = nodeToDummyForHorizontalAlignment.has(constraint.top) ? nodeToDummyForHorizontalAlignment.get(constraint.top) : constraint.top;
+ var bottom = nodeToDummyForHorizontalAlignment.has(constraint.bottom) ? nodeToDummyForHorizontalAlignment.get(constraint.bottom) : constraint.bottom;
+ if(subGraphOnVertical.has(top)) {
+ subGraphOnVertical.get(top).push(bottom);
+ }
+ else {
+ subGraphOnVertical.set(top, [bottom]);
+ }
+ if(subGraphOnVertical.has(bottom)) {
+ subGraphOnVertical.get(bottom).push(top);
+ }
+ else {
+ subGraphOnVertical.set(bottom, [top]);
+ }
+ }
+ });
+
+ // function to construct components from a given graph
+ // also returns an array that keeps whether each component contains fixed node
+ var constructComponents = function(graph, fixedNodes){
+ let components = [];
+ let isFixed = [];
+ let queue = new LinkedList();
+ let visited = new Set();
+ let count = 0;
+
+ graph.forEach(function(value, key){
+ if(!visited.has(key)){
+ components[count] = [];
+ isFixed[count] = false;
+ let currentNode = key;
+ queue.push(currentNode);
+ visited.add(currentNode);
+ components[count].push(currentNode);
+
+ while(queue.length != 0){
+ currentNode = queue.shift();
+ if(fixedNodes.has(currentNode)) {
+ isFixed[count] = true;
+ }
+ let neighbors = graph.get(currentNode);
+ neighbors.forEach(function(neighbor){
+ if(!visited.has(neighbor)){
+ queue.push(neighbor);
+ visited.add(neighbor);
+ components[count].push(neighbor);
+ }
+ });
+ }
+ count++;
+ }
+ });
+
+ return { components: components, isFixed: isFixed };
+ };
+
+ var resultOnHorizontal = constructComponents(subGraphOnHorizontal, self.fixedNodesOnHorizontal);
+ this.componentsOnHorizontal = resultOnHorizontal.components;
+ this.fixedComponentsOnHorizontal = resultOnHorizontal.isFixed;
+ var resultOnVertical = constructComponents(subGraphOnVertical, self.fixedNodesOnVertical);
+ this.componentsOnVertical = resultOnVertical.components;
+ this.fixedComponentsOnVertical = resultOnVertical.isFixed;
+ }
+ }
+};
+
+// updates node displacements based on constraints
+CoSELayout.prototype.updateDisplacements = function () {
+ var self = this;
+ if(this.constraints.fixedNodeConstraint){
+ this.constraints.fixedNodeConstraint.forEach(function(nodeData){
+ var fixedNode = self.idToNodeMap.get(nodeData.nodeId);
+ fixedNode.displacementX = 0;
+ fixedNode.displacementY = 0;
+ });
+ }
+
+ if(this.constraints.alignmentConstraint){
+ if(this.constraints.alignmentConstraint.vertical){
+ var allVerticalAlignments = this.constraints.alignmentConstraint.vertical;
+ for(var i = 0; i < allVerticalAlignments.length; i++){
+ var totalDisplacementX = 0;
+ for(var j = 0; j < allVerticalAlignments[i].length; j++){
+ if(this.fixedNodeSet.has(allVerticalAlignments[i][j])){
+ totalDisplacementX = 0;
+ break;
+ }
+ totalDisplacementX += this.idToNodeMap.get(allVerticalAlignments[i][j]).displacementX;
+ }
+ var averageDisplacementX = totalDisplacementX / allVerticalAlignments[i].length;
+ for(var j = 0; j < allVerticalAlignments[i].length; j++){
+ this.idToNodeMap.get(allVerticalAlignments[i][j]).displacementX = averageDisplacementX;
+ }
+ }
+ }
+ if(this.constraints.alignmentConstraint.horizontal){
+ var allHorizontalAlignments = this.constraints.alignmentConstraint.horizontal;
+ for(var i = 0; i < allHorizontalAlignments.length; i++){
+ var totalDisplacementY = 0;
+ for(var j = 0; j < allHorizontalAlignments[i].length; j++){
+ if(this.fixedNodeSet.has(allHorizontalAlignments[i][j])){
+ totalDisplacementY = 0;
+ break;
+ }
+ totalDisplacementY += this.idToNodeMap.get(allHorizontalAlignments[i][j]).displacementY;
+ }
+ var averageDisplacementY = totalDisplacementY / allHorizontalAlignments[i].length;
+ for(var j = 0; j < allHorizontalAlignments[i].length; j++){
+ this.idToNodeMap.get(allHorizontalAlignments[i][j]).displacementY = averageDisplacementY;
+ }
+ }
+ }
+ }
+
+ if(this.constraints.relativePlacementConstraint){
+
+ if(CoSEConstants.RELAX_MOVEMENT_ON_CONSTRAINTS) {
+ // shuffle array to randomize node processing order
+ if (this.totalIterations % 10 == 0) {
+ this.shuffle(this.nodesInRelativeHorizontal);
+ this.shuffle(this.nodesInRelativeVertical);
+ }
+
+ this.nodesInRelativeHorizontal.forEach(function(nodeId) {
+ if(!self.fixedNodesOnHorizontal.has(nodeId)) {
+ var displacement = 0;
+ if(self.dummyToNodeForVerticalAlignment.has(nodeId)) {
+ displacement = self.idToNodeMap.get(self.dummyToNodeForVerticalAlignment.get(nodeId)[0]).displacementX;
+ }
+ else {
+ displacement = self.idToNodeMap.get(nodeId).displacementX;
+ }
+ self.nodeToRelativeConstraintMapHorizontal.get(nodeId).forEach(function(constraint) {
+ if(constraint.right) {
+ var diff = (self.nodeToTempPositionMapHorizontal.get(constraint.right) - self.nodeToTempPositionMapHorizontal.get(nodeId)) - displacement;
+ if(diff < constraint.gap) {
+ displacement -= constraint.gap - diff;
+ }
+ }
+ else {
+ var diff = (self.nodeToTempPositionMapHorizontal.get(nodeId) - self.nodeToTempPositionMapHorizontal.get(constraint.left)) + displacement;
+ if(diff < constraint.gap) {
+ displacement += constraint.gap - diff;
+ }
+ }
+ });
+ self.nodeToTempPositionMapHorizontal.set(nodeId, self.nodeToTempPositionMapHorizontal.get(nodeId) + displacement);
+ if(self.dummyToNodeForVerticalAlignment.has(nodeId)) {
+ self.dummyToNodeForVerticalAlignment.get(nodeId).forEach(function(nodeId){
+ self.idToNodeMap.get(nodeId).displacementX = displacement;
+ });
+ }
+ else {
+ self.idToNodeMap.get(nodeId).displacementX = displacement;
+ }
+ }
+ });
+
+ this.nodesInRelativeVertical.forEach(function(nodeId) {
+ if(!self.fixedNodesOnHorizontal.has(nodeId)) {
+ var displacement = 0;
+ if(self.dummyToNodeForHorizontalAlignment.has(nodeId)) {
+ displacement = self.idToNodeMap.get(self.dummyToNodeForHorizontalAlignment.get(nodeId)[0]).displacementY;
+ }
+ else {
+ displacement = self.idToNodeMap.get(nodeId).displacementY;
+ }
+ self.nodeToRelativeConstraintMapVertical.get(nodeId).forEach(function(constraint) {
+ if(constraint.bottom) {
+ var diff = (self.nodeToTempPositionMapVertical.get(constraint.bottom) - self.nodeToTempPositionMapVertical.get(nodeId)) - displacement;
+ if(diff < constraint.gap) {
+ displacement -= constraint.gap - diff;
+ }
+ }
+ else {
+ var diff = (self.nodeToTempPositionMapVertical.get(nodeId) - self.nodeToTempPositionMapVertical.get(constraint.top)) + displacement;
+ if(diff < constraint.gap) {
+ displacement += constraint.gap - diff;
+ }
+ }
+ });
+ self.nodeToTempPositionMapVertical.set(nodeId, self.nodeToTempPositionMapVertical.get(nodeId) + displacement);
+ if(self.dummyToNodeForHorizontalAlignment.has(nodeId)) {
+ self.dummyToNodeForHorizontalAlignment.get(nodeId).forEach(function(nodeId){
+ self.idToNodeMap.get(nodeId).displacementY = displacement;
+ });
+ }
+ else {
+ self.idToNodeMap.get(nodeId).displacementY = displacement;
+ }
+ }
+ });
+ }
+ else {
+ for(var i = 0; i < this.componentsOnHorizontal.length; i++) {
+ var component = this.componentsOnHorizontal[i];
+ if(this.fixedComponentsOnHorizontal[i]) {
+ for(var j = 0; j < component.length; j++){
+ if(this.dummyToNodeForVerticalAlignment.has(component[j])) {
+ this.dummyToNodeForVerticalAlignment.get(component[j]).forEach(function(nodeId){
+ self.idToNodeMap.get(nodeId).displacementX = 0;
+ });
+ }
+ else {
+ this.idToNodeMap.get(component[j]).displacementX = 0;
+ }
+ }
+ }
+ else {
+ var sum = 0;
+ var count = 0;
+ for(var j = 0; j < component.length; j++){
+ if(this.dummyToNodeForVerticalAlignment.has(component[j])) {
+ var actualNodes = this.dummyToNodeForVerticalAlignment.get(component[j]);
+ sum += actualNodes.length * this.idToNodeMap.get(actualNodes[0]).displacementX;
+ count += actualNodes.length;
+ }
+ else {
+ sum += this.idToNodeMap.get(component[j]).displacementX;
+ count++;
+ }
+ }
+ var averageDisplacement = sum / count;
+ for(var j = 0; j < component.length; j++){
+ if(this.dummyToNodeForVerticalAlignment.has(component[j])) {
+ this.dummyToNodeForVerticalAlignment.get(component[j]).forEach(function(nodeId){
+ self.idToNodeMap.get(nodeId).displacementX = averageDisplacement;
+ });
+ }
+ else {
+ this.idToNodeMap.get(component[j]).displacementX = averageDisplacement;
+ }
+ }
+ }
+ }
+
+ for(var i = 0; i < this.componentsOnVertical.length; i++) {
+ var component = this.componentsOnVertical[i];
+ if(this.fixedComponentsOnVertical[i]) {
+ for(var j = 0; j < component.length; j++){
+ if(this.dummyToNodeForHorizontalAlignment.has(component[j])) {
+ this.dummyToNodeForHorizontalAlignment.get(component[j]).forEach(function(nodeId){
+ self.idToNodeMap.get(nodeId).displacementY = 0;
+ });
+ }
+ else {
+ this.idToNodeMap.get(component[j]).displacementY = 0;
+ }
+ }
+ }
+ else {
+ var sum = 0;
+ var count = 0;
+ for(var j = 0; j < component.length; j++){
+ if(this.dummyToNodeForHorizontalAlignment.has(component[j])) {
+ var actualNodes = this.dummyToNodeForHorizontalAlignment.get(component[j]);
+ sum += actualNodes.length * this.idToNodeMap.get(actualNodes[0]).displacementY;
+ count += actualNodes.length;
+ }
+ else {
+ sum += this.idToNodeMap.get(component[j]).displacementY;
+ count++;
+ }
+ }
+ var averageDisplacement = sum / count;
+ for(var j = 0; j < component.length; j++){
+ if(this.dummyToNodeForHorizontalAlignment.has(component[j])) {
+ this.dummyToNodeForHorizontalAlignment.get(component[j]).forEach(function(nodeId){
+ self.idToNodeMap.get(nodeId).displacementY = averageDisplacement;
+ });
+ }
+ else {
+ this.idToNodeMap.get(component[j]).displacementY = averageDisplacement;
+ }
+ }
+ }
+ }
+ }
+ }
+};
+
+CoSELayout.prototype.calculateNodesToApplyGravitationTo = function () {
+ var nodeList = [];
+ var graph;
+
+ var graphs = this.graphManager.getGraphs();
+ var size = graphs.length;
+ var i;
+ for (i = 0; i < size; i++)
+ {
+ graph = graphs[i];
+
+ graph.updateConnected();
+
+ if (!graph.isConnected)
+ {
+ nodeList = nodeList.concat(graph.getNodes());
+ }
+ }
+
+ return nodeList;
+};
+
+CoSELayout.prototype.createBendpoints = function () {
+ var edges = [];
+ edges = edges.concat(this.graphManager.getAllEdges());
+ var visited = new Set();
+ var i;
+ for (i = 0; i < edges.length; i++)
+ {
+ var edge = edges[i];
+
+ if (!visited.has(edge))
+ {
+ var source = edge.getSource();
+ var target = edge.getTarget();
+
+ if (source == target)
+ {
+ edge.getBendpoints().push(new PointD());
+ edge.getBendpoints().push(new PointD());
+ this.createDummyNodesForBendpoints(edge);
+ visited.add(edge);
+ }
+ else
+ {
+ var edgeList = [];
+
+ edgeList = edgeList.concat(source.getEdgeListToNode(target));
+ edgeList = edgeList.concat(target.getEdgeListToNode(source));
+
+ if (!visited.has(edgeList[0]))
+ {
+ if (edgeList.length > 1)
+ {
+ var k;
+ for (k = 0; k < edgeList.length; k++)
+ {
+ var multiEdge = edgeList[k];
+ multiEdge.getBendpoints().push(new PointD());
+ this.createDummyNodesForBendpoints(multiEdge);
+ }
+ }
+ edgeList.forEach(function(edge){
+ visited.add(edge);
+ });
+ }
+ }
+ }
+
+ if (visited.size == edges.length)
+ {
+ break;
+ }
+ }
+};
+
+CoSELayout.prototype.positionNodesRadially = function (forest) {
+ // We tile the trees to a grid row by row; first tree starts at (0,0)
+ var currentStartingPoint = new Point(0, 0);
+ var numberOfColumns = Math.ceil(Math.sqrt(forest.length));
+ var height = 0;
+ var currentY = 0;
+ var currentX = 0;
+ var point = new PointD(0, 0);
+
+ for (var i = 0; i < forest.length; i++)
+ {
+ if (i % numberOfColumns == 0)
+ {
+ // Start of a new row, make the x coordinate 0, increment the
+ // y coordinate with the max height of the previous row
+ currentX = 0;
+ currentY = height;
+
+ if (i != 0)
+ {
+ currentY += CoSEConstants.DEFAULT_COMPONENT_SEPERATION;
+ }
+
+ height = 0;
+ }
+
+ var tree = forest[i];
+
+ // Find the center of the tree
+ var centerNode = Layout.findCenterOfTree(tree);
+
+ // Set the staring point of the next tree
+ currentStartingPoint.x = currentX;
+ currentStartingPoint.y = currentY;
+
+ // Do a radial layout starting with the center
+ point =
+ CoSELayout.radialLayout(tree, centerNode, currentStartingPoint);
+
+ if (point.y > height)
+ {
+ height = Math.floor(point.y);
+ }
+
+ currentX = Math.floor(point.x + CoSEConstants.DEFAULT_COMPONENT_SEPERATION);
+ }
+
+ this.transform(
+ new PointD(LayoutConstants.WORLD_CENTER_X - point.x / 2,
+ LayoutConstants.WORLD_CENTER_Y - point.y / 2));
+};
+
+CoSELayout.radialLayout = function (tree, centerNode, startingPoint) {
+ var radialSep = Math.max(this.maxDiagonalInTree(tree),
+ CoSEConstants.DEFAULT_RADIAL_SEPARATION);
+ CoSELayout.branchRadialLayout(centerNode, null, 0, 359, 0, radialSep);
+ var bounds = LGraph.calculateBounds(tree);
+
+ var transform = new Transform();
+ transform.setDeviceOrgX(bounds.getMinX());
+ transform.setDeviceOrgY(bounds.getMinY());
+ transform.setWorldOrgX(startingPoint.x);
+ transform.setWorldOrgY(startingPoint.y);
+
+ for (var i = 0; i < tree.length; i++)
+ {
+ var node = tree[i];
+ node.transform(transform);
+ }
+
+ var bottomRight =
+ new PointD(bounds.getMaxX(), bounds.getMaxY());
+
+ return transform.inverseTransformPoint(bottomRight);
+};
+
+CoSELayout.branchRadialLayout = function (node, parentOfNode, startAngle, endAngle, distance, radialSeparation) {
+ // First, position this node by finding its angle.
+ var halfInterval = ((endAngle - startAngle) + 1) / 2;
+
+ if (halfInterval < 0)
+ {
+ halfInterval += 180;
+ }
+
+ var nodeAngle = (halfInterval + startAngle) % 360;
+ var teta = (nodeAngle * IGeometry.TWO_PI) / 360;
+
+ // Make polar to java cordinate conversion.
+ var cos_teta = Math.cos(teta);
+ var x_ = distance * Math.cos(teta);
+ var y_ = distance * Math.sin(teta);
+
+ node.setCenter(x_, y_);
+
+ // Traverse all neighbors of this node and recursively call this
+ // function.
+ var neighborEdges = [];
+ neighborEdges = neighborEdges.concat(node.getEdges());
+ var childCount = neighborEdges.length;
+
+ if (parentOfNode != null)
+ {
+ childCount--;
+ }
+
+ var branchCount = 0;
+
+ var incEdgesCount = neighborEdges.length;
+ var startIndex;
+
+ var edges = node.getEdgesBetween(parentOfNode);
+
+ // If there are multiple edges, prune them until there remains only one
+ // edge.
+ while (edges.length > 1)
+ {
+ //neighborEdges.remove(edges.remove(0));
+ var temp = edges[0];
+ edges.splice(0, 1);
+ var index = neighborEdges.indexOf(temp);
+ if (index >= 0) {
+ neighborEdges.splice(index, 1);
+ }
+ incEdgesCount--;
+ childCount--;
+ }
+
+ if (parentOfNode != null)
+ {
+ //assert edges.length == 1;
+ startIndex = (neighborEdges.indexOf(edges[0]) + 1) % incEdgesCount;
+ }
+ else
+ {
+ startIndex = 0;
+ }
+
+ var stepAngle = Math.abs(endAngle - startAngle) / childCount;
+
+ for (var i = startIndex;
+ branchCount != childCount;
+ i = (++i) % incEdgesCount)
+ {
+ var currentNeighbor =
+ neighborEdges[i].getOtherEnd(node);
+
+ // Don't back traverse to root node in current tree.
+ if (currentNeighbor == parentOfNode)
+ {
+ continue;
+ }
+
+ var childStartAngle =
+ (startAngle + branchCount * stepAngle) % 360;
+ var childEndAngle = (childStartAngle + stepAngle) % 360;
+
+ CoSELayout.branchRadialLayout(currentNeighbor,
+ node,
+ childStartAngle, childEndAngle,
+ distance + radialSeparation, radialSeparation);
+
+ branchCount++;
+ }
+};
+
+CoSELayout.maxDiagonalInTree = function (tree) {
+ var maxDiagonal = Integer.MIN_VALUE;
+
+ for (var i = 0; i < tree.length; i++)
+ {
+ var node = tree[i];
+ var diagonal = node.getDiagonal();
+
+ if (diagonal > maxDiagonal)
+ {
+ maxDiagonal = diagonal;
+ }
+ }
+
+ return maxDiagonal;
+};
+
+CoSELayout.prototype.calcRepulsionRange = function () {
+ // formula is 2 x (level + 1) x idealEdgeLength
+ return (2 * (this.level + 1) * this.idealEdgeLength);
+};
+
+// Tiling methods
+
+// Group zero degree members whose parents are not to be tiled, create dummy parents where needed and fill memberGroups by their dummp parent id's
+CoSELayout.prototype.groupZeroDegreeMembers = function () {
+ var self = this;
+ // array of [parent_id x oneDegreeNode_id]
+ var tempMemberGroups = {}; // A temporary map of parent node and its zero degree members
+ this.memberGroups = {}; // A map of dummy parent node and its zero degree members whose parents are not to be tiled
+ this.idToDummyNode = {}; // A map of id to dummy node
+
+ var zeroDegree = []; // List of zero degree nodes whose parents are not to be tiled
+ var allNodes = this.graphManager.getAllNodes();
+
+ // Fill zero degree list
+ for (var i = 0; i < allNodes.length; i++) {
+ var node = allNodes[i];
+ var parent = node.getParent();
+ // If a node has zero degree and its parent is not to be tiled if exists add that node to zeroDegres list
+ if (this.getNodeDegreeWithChildren(node) === 0 && ( parent.id == undefined || !this.getToBeTiled(parent) ) ) {
+ zeroDegree.push(node);
+ }
+ }
+
+ // Create a map of parent node and its zero degree members
+ for (var i = 0; i < zeroDegree.length; i++)
+ {
+ var node = zeroDegree[i]; // Zero degree node itself
+ var p_id = node.getParent().id; // Parent id
+
+ if (typeof tempMemberGroups[p_id] === "undefined")
+ tempMemberGroups[p_id] = [];
+
+ tempMemberGroups[p_id] = tempMemberGroups[p_id].concat(node); // Push node to the list belongs to its parent in tempMemberGroups
+ }
+
+ // If there are at least two nodes at a level, create a dummy compound for them
+ Object.keys(tempMemberGroups).forEach(function(p_id) {
+ if (tempMemberGroups[p_id].length > 1) {
+ var dummyCompoundId = "DummyCompound_" + p_id; // The id of dummy compound which will be created soon
+ self.memberGroups[dummyCompoundId] = tempMemberGroups[p_id]; // Add dummy compound to memberGroups
+
+ var parent = tempMemberGroups[p_id][0].getParent(); // The parent of zero degree nodes will be the parent of new dummy compound
+
+ // Create a dummy compound with calculated id
+ var dummyCompound = new CoSENode(self.graphManager);
+ dummyCompound.id = dummyCompoundId;
+ dummyCompound.paddingLeft = parent.paddingLeft || 0;
+ dummyCompound.paddingRight = parent.paddingRight || 0;
+ dummyCompound.paddingBottom = parent.paddingBottom || 0;
+ dummyCompound.paddingTop = parent.paddingTop || 0;
+
+ self.idToDummyNode[dummyCompoundId] = dummyCompound;
+
+ var dummyParentGraph = self.getGraphManager().add(self.newGraph(), dummyCompound);
+ var parentGraph = parent.getChild();
+
+ // Add dummy compound to parent the graph
+ parentGraph.add(dummyCompound);
+
+ // For each zero degree node in this level remove it from its parent graph and add it to the graph of dummy parent
+ for (var i = 0; i < tempMemberGroups[p_id].length; i++) {
+ var node = tempMemberGroups[p_id][i];
+
+ parentGraph.remove(node);
+ dummyParentGraph.add(node);
+ }
+ }
+ });
+};
+
+CoSELayout.prototype.clearCompounds = function () {
+ var childGraphMap = {};
+ var idToNode = {};
+
+ // Get compound ordering by finding the inner one first
+ this.performDFSOnCompounds();
+
+ for (var i = 0; i < this.compoundOrder.length; i++) {
+
+ idToNode[this.compoundOrder[i].id] = this.compoundOrder[i];
+ childGraphMap[this.compoundOrder[i].id] = [].concat(this.compoundOrder[i].getChild().getNodes());
+
+ // Remove children of compounds
+ this.graphManager.remove(this.compoundOrder[i].getChild());
+ this.compoundOrder[i].child = null;
+ }
+
+ this.graphManager.resetAllNodes();
+
+ // Tile the removed children
+ this.tileCompoundMembers(childGraphMap, idToNode);
+};
+
+CoSELayout.prototype.clearZeroDegreeMembers = function () {
+ var self = this;
+ var tiledZeroDegreePack = this.tiledZeroDegreePack = [];
+
+ Object.keys(this.memberGroups).forEach(function(id) {
+ var compoundNode = self.idToDummyNode[id]; // Get the dummy compound
+
+ tiledZeroDegreePack[id] = self.tileNodes(self.memberGroups[id], compoundNode.paddingLeft + compoundNode.paddingRight);
+
+ // Set the width and height of the dummy compound as calculated
+ compoundNode.rect.width = tiledZeroDegreePack[id].width;
+ compoundNode.rect.height = tiledZeroDegreePack[id].height;
+ compoundNode.setCenter(tiledZeroDegreePack[id].centerX, tiledZeroDegreePack[id].centerY);
+
+ // compound left and top margings for labels
+ // when node labels are included, these values may be set to different values below and are used in tilingPostLayout,
+ // otherwise they stay as zero
+ compoundNode.labelMarginLeft = 0;
+ compoundNode.labelMarginTop = 0;
+
+ // Update compound bounds considering its label properties and set label margins for left and top
+ if(CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS){
+
+ var width = compoundNode.rect.width;
+ var height = compoundNode.rect.height;
+
+ if(compoundNode.labelWidth){
+ if(compoundNode.labelPosHorizontal == "left"){
+ compoundNode.rect.x -= (compoundNode.labelWidth);
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = compoundNode.labelWidth;
+ }
+ else if(compoundNode.labelPosHorizontal == "center" && compoundNode.labelWidth > width){
+ compoundNode.rect.x -= (compoundNode.labelWidth - width) / 2;
+ compoundNode.setWidth(compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = (compoundNode.labelWidth - width) / 2;
+ }
+ else if(compoundNode.labelPosHorizontal == "right"){
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ }
+ }
+
+ if(compoundNode.labelHeight){
+ if(compoundNode.labelPosVertical == "top"){
+ compoundNode.rect.y -= (compoundNode.labelHeight);
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ compoundNode.labelMarginTop = compoundNode.labelHeight;
+ }
+ else if(compoundNode.labelPosVertical == "center" && compoundNode.labelHeight > height){
+ compoundNode.rect.y -= (compoundNode.labelHeight - height) / 2;
+ compoundNode.setHeight(compoundNode.labelHeight);
+ compoundNode.labelMarginTop = (compoundNode.labelHeight - height) / 2;
+ }
+ else if(compoundNode.labelPosVertical == "bottom"){
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ }
+ }
+ }
+ });
+};
+
+CoSELayout.prototype.repopulateCompounds = function () {
+ for (var i = this.compoundOrder.length - 1; i >= 0; i--) {
+ var lCompoundNode = this.compoundOrder[i];
+ var id = lCompoundNode.id;
+ var horizontalMargin = lCompoundNode.paddingLeft;
+ var verticalMargin = lCompoundNode.paddingTop;
+ var labelMarginLeft = lCompoundNode.labelMarginLeft;
+ var labelMarginTop = lCompoundNode.labelMarginTop;
+
+ this.adjustLocations(this.tiledMemberPack[id], lCompoundNode.rect.x, lCompoundNode.rect.y, horizontalMargin, verticalMargin, labelMarginLeft, labelMarginTop);
+ }
+};
+
+CoSELayout.prototype.repopulateZeroDegreeMembers = function () {
+ var self = this;
+ var tiledPack = this.tiledZeroDegreePack;
+
+ Object.keys(tiledPack).forEach(function(id) {
+ var compoundNode = self.idToDummyNode[id]; // Get the dummy compound by its id
+ var horizontalMargin = compoundNode.paddingLeft;
+ var verticalMargin = compoundNode.paddingTop;
+ var labelMarginLeft = compoundNode.labelMarginLeft;
+ var labelMarginTop = compoundNode.labelMarginTop;
+
+ // Adjust the positions of nodes wrt its compound
+ self.adjustLocations(tiledPack[id], compoundNode.rect.x, compoundNode.rect.y, horizontalMargin, verticalMargin, labelMarginLeft, labelMarginTop);
+ });
+};
+
+CoSELayout.prototype.getToBeTiled = function (node) {
+ var id = node.id;
+ //firstly check the previous results
+ if (this.toBeTiled[id] != null) {
+ return this.toBeTiled[id];
+ }
+
+ //only compound nodes are to be tiled
+ var childGraph = node.getChild();
+ if (childGraph == null) {
+ this.toBeTiled[id] = false;
+ return false;
+ }
+
+ var children = childGraph.getNodes(); // Get the children nodes
+
+ //a compound node is not to be tiled if all of its compound children are not to be tiled
+ for (var i = 0; i < children.length; i++) {
+ var theChild = children[i];
+
+ if (this.getNodeDegree(theChild) > 0) {
+ this.toBeTiled[id] = false;
+ return false;
+ }
+
+ //pass the children not having the compound structure
+ if (theChild.getChild() == null) {
+ this.toBeTiled[theChild.id] = false;
+ continue;
+ }
+
+ if (!this.getToBeTiled(theChild)) {
+ this.toBeTiled[id] = false;
+ return false;
+ }
+ }
+ this.toBeTiled[id] = true;
+ return true;
+};
+
+// Get degree of a node depending of its edges and independent of its children
+CoSELayout.prototype.getNodeDegree = function (node) {
+ var id = node.id;
+ var edges = node.getEdges();
+ var degree = 0;
+
+ // For the edges connected
+ for (var i = 0; i < edges.length; i++) {
+ var edge = edges[i];
+ if (edge.getSource().id !== edge.getTarget().id) {
+ degree = degree + 1;
+ }
+ }
+ return degree;
+};
+
+// Get degree of a node with its children
+CoSELayout.prototype.getNodeDegreeWithChildren = function (node) {
+ var degree = this.getNodeDegree(node);
+ if (node.getChild() == null) {
+ return degree;
+ }
+ var children = node.getChild().getNodes();
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ degree += this.getNodeDegreeWithChildren(child);
+ }
+ return degree;
+};
+
+CoSELayout.prototype.performDFSOnCompounds = function () {
+ this.compoundOrder = [];
+ this.fillCompexOrderByDFS(this.graphManager.getRoot().getNodes());
+};
+
+CoSELayout.prototype.fillCompexOrderByDFS = function (children) {
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ if (child.getChild() != null) {
+ this.fillCompexOrderByDFS(child.getChild().getNodes());
+ }
+ if (this.getToBeTiled(child)) {
+ this.compoundOrder.push(child);
+ }
+ }
+};
+
+/**
+* This method places each zero degree member wrt given (x,y) coordinates (top left).
+*/
+CoSELayout.prototype.adjustLocations = function (organization, x, y, compoundHorizontalMargin, compoundVerticalMargin, compoundLabelMarginLeft, compoundLabelMarginTop) {
+ x += compoundHorizontalMargin + compoundLabelMarginLeft;
+ y += compoundVerticalMargin + compoundLabelMarginTop;
+
+ var left = x;
+
+ for (var i = 0; i < organization.rows.length; i++) {
+ var row = organization.rows[i];
+ x = left;
+ var maxHeight = 0;
+
+ for (var j = 0; j < row.length; j++) {
+ var lnode = row[j];
+
+ lnode.rect.x = x;// + lnode.rect.width / 2;
+ lnode.rect.y = y;// + lnode.rect.height / 2;
+
+ x += lnode.rect.width + organization.horizontalPadding;
+
+ if (lnode.rect.height > maxHeight)
+ maxHeight = lnode.rect.height;
+ }
+
+ y += maxHeight + organization.verticalPadding;
+ }
+};
+
+CoSELayout.prototype.tileCompoundMembers = function (childGraphMap, idToNode) {
+ var self = this;
+ this.tiledMemberPack = [];
+
+ Object.keys(childGraphMap).forEach(function(id) {
+ // Get the compound node
+ var compoundNode = idToNode[id];
+
+ self.tiledMemberPack[id] = self.tileNodes(childGraphMap[id], compoundNode.paddingLeft + compoundNode.paddingRight);
+
+ compoundNode.rect.width = self.tiledMemberPack[id].width;
+ compoundNode.rect.height = self.tiledMemberPack[id].height;
+ compoundNode.setCenter(self.tiledMemberPack[id].centerX, self.tiledMemberPack[id].centerY);
+
+ // compound left and top margings for labels
+ // when node labels are included, these values may be set to different values below and are used in tilingPostLayout,
+ // otherwise they stay as zero
+ compoundNode.labelMarginLeft = 0;
+ compoundNode.labelMarginTop = 0;
+
+ // Update compound bounds considering its label properties and set label margins for left and top
+ if(CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS){
+
+ var width = compoundNode.rect.width;
+ var height = compoundNode.rect.height;
+
+ if(compoundNode.labelWidth){
+ if(compoundNode.labelPosHorizontal == "left"){
+ compoundNode.rect.x -= (compoundNode.labelWidth);
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = compoundNode.labelWidth;
+ }
+ else if(compoundNode.labelPosHorizontal == "center" && compoundNode.labelWidth > width){
+ compoundNode.rect.x -= (compoundNode.labelWidth - width) / 2;
+ compoundNode.setWidth(compoundNode.labelWidth);
+ compoundNode.labelMarginLeft = (compoundNode.labelWidth - width) / 2;
+ }
+ else if(compoundNode.labelPosHorizontal == "right"){
+ compoundNode.setWidth(width + compoundNode.labelWidth);
+ }
+ }
+
+ if(compoundNode.labelHeight){
+ if(compoundNode.labelPosVertical == "top"){
+ compoundNode.rect.y -= (compoundNode.labelHeight);
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ compoundNode.labelMarginTop = compoundNode.labelHeight;
+ }
+ else if(compoundNode.labelPosVertical == "center" && compoundNode.labelHeight > height){
+ compoundNode.rect.y -= (compoundNode.labelHeight - height) / 2;
+ compoundNode.setHeight(compoundNode.labelHeight);
+ compoundNode.labelMarginTop = (compoundNode.labelHeight - height) / 2;
+ }
+ else if(compoundNode.labelPosVertical == "bottom"){
+ compoundNode.setHeight(height + compoundNode.labelHeight);
+ }
+ }
+ }
+ });
+};
+
+CoSELayout.prototype.tileNodes = function (nodes, minWidth) {
+ var horizontalOrg = this.tileNodesByFavoringDim(nodes, minWidth, true);
+ var verticalOrg = this.tileNodesByFavoringDim(nodes, minWidth, false);
+
+ var horizontalRatio = this.getOrgRatio(horizontalOrg);
+ var verticalRatio = this.getOrgRatio(verticalOrg);
+ var bestOrg;
+
+ // the best ratio is the one that is closer to 1 since the ratios are already normalized
+ // and the best organization is the one that has the best ratio
+ if (verticalRatio < horizontalRatio) {
+ bestOrg = verticalOrg;
+ } else {
+ bestOrg = horizontalOrg;
+ }
+
+ return bestOrg;
+};
+
+// get the width/height ratio of the organization that is normalized so that it will not be less than 1
+CoSELayout.prototype.getOrgRatio = function (organization) {
+ // get dimensions and calculate the initial ratio
+ var width = organization.width;
+ var height = organization.height;
+ var ratio = width / height;
+
+ // if the initial ratio is less then 1 then inverse it
+ if (ratio < 1) {
+ ratio = 1 / ratio;
+ }
+
+ // return the normalized ratio
+ return ratio;
+};
+
+/*
+ * Calculates the ideal width for the rows. This method assumes that
+ * each node has the same sizes and calculates the ideal row width that
+ * approximates a square shaped complex accordingly. However, since nodes would
+ * have different sizes some rows would have different sizes and the resulting
+ * shape would not be an exact square.
+ */
+CoSELayout.prototype.calcIdealRowWidth = function (members, favorHorizontalDim) {
+ // To approximate a square shaped complex we need to make complex width equal to complex height.
+ // To achieve this we need to solve the following equation system for hc:
+ // (x + bx) * hc - bx = (y + by) * vc - by, hc * vc = n
+ // where x is the avarage width of the nodes, y is the avarage height of nodes
+ // bx and by are the buffer sizes in horizontal and vertical dimensions accordingly,
+ // hc and vc are the number of rows in horizontal and vertical dimensions
+ // n is number of members.
+
+ var verticalPadding = CoSEConstants.TILING_PADDING_VERTICAL;
+ var horizontalPadding = CoSEConstants.TILING_PADDING_HORIZONTAL;
+
+ // number of members
+ var membersSize = members.length;
+
+ // sum of the width of all members
+ var totalWidth = 0;
+
+ // sum of the height of all members
+ var totalHeight = 0;
+
+ var maxWidth = 0;
+
+ // traverse all members to calculate total width and total height and get the maximum members width
+ members.forEach(function (node) {
+ totalWidth += node.getWidth();
+ totalHeight += node.getHeight();
+
+ if (node.getWidth() > maxWidth) {
+ maxWidth = node.getWidth();
+ }
+ });
+
+ // average width of the members
+ var averageWidth = totalWidth / membersSize;
+
+ // average height of the members
+ var averageHeight = totalHeight / membersSize;
+
+ // solving the initial equation system for the hc yields the following second degree equation:
+ // hc^2 * (x+bx) + hc * (by - bx) - n * (y + by) = 0
+
+ // the delta value to solve the equation above for hc
+ var delta = Math.pow(verticalPadding - horizontalPadding, 2) + 4 * (averageWidth + horizontalPadding) * (averageHeight + verticalPadding) * membersSize;
+
+ // solve the equation using delta value to calculate the horizontal count
+ // that represents the number of nodes in an ideal row
+ var horizontalCountDouble = (horizontalPadding - verticalPadding + Math.sqrt(delta)) / (2 * (averageWidth + horizontalPadding));
+ // round the calculated horizontal count up or down according to the favored dimension
+ var horizontalCount;
+
+ if (favorHorizontalDim) {
+ horizontalCount = Math.ceil(horizontalCountDouble);
+ // if horizontalCount count is not a float value then both of rounding to floor and ceil
+ // will yield the same values. Instead of repeating the same calculation try going up
+ // while favoring horizontal dimension in such cases
+ if ( horizontalCount == horizontalCountDouble ) {
+ horizontalCount++;
+ }
+ } else {
+ horizontalCount = Math.floor(horizontalCountDouble);
+ }
+
+ // ideal width to be calculated
+ var idealWidth = horizontalCount * (averageWidth + horizontalPadding) - horizontalPadding;
+
+ // if max width is bigger than calculated ideal width reset ideal width to it
+ if (maxWidth > idealWidth) {
+ idealWidth = maxWidth;
+ }
+
+ // add the left-right margins to the ideal row width
+ idealWidth += horizontalPadding * 2;
+
+ // return the ideal row width1
+ return idealWidth;
+};
+
+CoSELayout.prototype.tileNodesByFavoringDim = function (nodes, minWidth, favorHorizontalDim) {
+ var verticalPadding = CoSEConstants.TILING_PADDING_VERTICAL;
+ var horizontalPadding = CoSEConstants.TILING_PADDING_HORIZONTAL;
+ var tilingCompareBy = CoSEConstants.TILING_COMPARE_BY;
+ var organization = {
+ rows: [],
+ rowWidth: [],
+ rowHeight: [],
+ width: 0,
+ height: minWidth, // assume minHeight equals to minWidth
+ verticalPadding: verticalPadding,
+ horizontalPadding: horizontalPadding,
+ centerX: 0,
+ centerY: 0
+ };
+
+ if (tilingCompareBy) {
+ organization.idealRowWidth = this.calcIdealRowWidth(nodes, favorHorizontalDim);
+ }
+
+ var getNodeArea = function( n ) {
+ return n.rect.width * n.rect.height;
+ };
+
+ var areaCompareFcn = function(n1, n2){
+ return getNodeArea( n2 ) - getNodeArea( n1 );
+ };
+
+ // Sort the nodes in descending order of their areas
+ nodes.sort(function (n1, n2) {
+ var cmpBy = areaCompareFcn;
+ if ( organization.idealRowWidth ) {
+ cmpBy = tilingCompareBy;
+ return cmpBy( n1.id, n2.id );
+ }
+ return cmpBy( n1, n2 );
+ });
+
+ // Create the organization -> calculate compound center
+ var sumCenterX = 0;
+ var sumCenterY = 0;
+ for (var i = 0; i < nodes.length; i++) {
+ var lNode = nodes[i];
+
+ sumCenterX += lNode.getCenterX();
+ sumCenterY += lNode.getCenterY();
+ }
+
+ organization.centerX = sumCenterX / nodes.length;
+ organization.centerY = sumCenterY / nodes.length;
+
+ // Create the organization -> tile members
+ for (var i = 0; i < nodes.length; i++) {
+ var lNode = nodes[i];
+
+ if (organization.rows.length == 0) {
+ this.insertNodeToRow(organization, lNode, 0, minWidth);
+ }
+ else if (this.canAddHorizontal(organization, lNode.rect.width, lNode.rect.height)) {
+ var rowIndex = organization.rows.length - 1;
+ if (!organization.idealRowWidth) {
+ rowIndex = this.getShortestRowIndex(organization);
+ }
+ this.insertNodeToRow(organization, lNode, rowIndex, minWidth);
+ }
+ else {
+ this.insertNodeToRow(organization, lNode, organization.rows.length, minWidth);
+ }
+
+ this.shiftToLastRow(organization);
+ }
+
+ return organization;
+};
+
+CoSELayout.prototype.insertNodeToRow = function (organization, node, rowIndex, minWidth) {
+ var minCompoundSize = minWidth;
+
+ // Add new row if needed
+ if (rowIndex == organization.rows.length) {
+ var secondDimension = [];
+
+ organization.rows.push(secondDimension);
+ organization.rowWidth.push(minCompoundSize);
+ organization.rowHeight.push(0);
+ }
+
+ // Update row width
+ var w = organization.rowWidth[rowIndex] + node.rect.width;
+
+ if (organization.rows[rowIndex].length > 0) {
+ w += organization.horizontalPadding;
+ }
+
+ organization.rowWidth[rowIndex] = w;
+ // Update compound width
+ if (organization.width < w) {
+ organization.width = w;
+ }
+
+ // Update height
+ var h = node.rect.height;
+ if (rowIndex > 0)
+ h += organization.verticalPadding;
+
+ var extraHeight = 0;
+ if (h > organization.rowHeight[rowIndex]) {
+ extraHeight = organization.rowHeight[rowIndex];
+ organization.rowHeight[rowIndex] = h;
+ extraHeight = organization.rowHeight[rowIndex] - extraHeight;
+ }
+
+ organization.height += extraHeight;
+
+ // Insert node
+ organization.rows[rowIndex].push(node);
+};
+
+//Scans the rows of an organization and returns the one with the min width
+CoSELayout.prototype.getShortestRowIndex = function (organization) {
+ var r = -1;
+ var min = Number.MAX_VALUE;
+
+ for (var i = 0; i < organization.rows.length; i++) {
+ if (organization.rowWidth[i] < min) {
+ r = i;
+ min = organization.rowWidth[i];
+ }
+ }
+ return r;
+};
+
+//Scans the rows of an organization and returns the one with the max width
+CoSELayout.prototype.getLongestRowIndex = function (organization) {
+ var r = -1;
+ var max = Number.MIN_VALUE;
+
+ for (var i = 0; i < organization.rows.length; i++) {
+
+ if (organization.rowWidth[i] > max) {
+ r = i;
+ max = organization.rowWidth[i];
+ }
+ }
+
+ return r;
+};
+
+/**
+* This method checks whether adding extra width to the organization violates
+* the aspect ratio(1) or not.
+*/
+CoSELayout.prototype.canAddHorizontal = function (organization, extraWidth, extraHeight) {
+
+ // if there is an ideal row width specified use it instead of checking the aspect ratio
+ if (organization.idealRowWidth) {
+ var lastRowIndex = organization.rows.length - 1;
+ var lastRowWidth = organization.rowWidth[lastRowIndex];
+
+ // check and return if ideal row width will be exceed if the node is added to the row
+ return lastRowWidth + extraWidth + organization.horizontalPadding <= organization.idealRowWidth;
+ }
+
+ var sri = this.getShortestRowIndex(organization);
+
+ if (sri < 0) {
+ return true;
+ }
+
+ var min = organization.rowWidth[sri];
+
+ if (min + organization.horizontalPadding + extraWidth <= organization.width)
+ return true;
+
+ var hDiff = 0;
+
+ // Adding to an existing row
+ if (organization.rowHeight[sri] < extraHeight) {
+ if (sri > 0)
+ hDiff = extraHeight + organization.verticalPadding - organization.rowHeight[sri];
+ }
+
+ var add_to_row_ratio;
+ if (organization.width - min >= extraWidth + organization.horizontalPadding) {
+ add_to_row_ratio = (organization.height + hDiff) / (min + extraWidth + organization.horizontalPadding);
+ } else {
+ add_to_row_ratio = (organization.height + hDiff) / organization.width;
+ }
+
+ // Adding a new row for this node
+ hDiff = extraHeight + organization.verticalPadding;
+ var add_new_row_ratio;
+ if (organization.width < extraWidth) {
+ add_new_row_ratio = (organization.height + hDiff) / extraWidth;
+ } else {
+ add_new_row_ratio = (organization.height + hDiff) / organization.width;
+ }
+
+ if (add_new_row_ratio < 1)
+ add_new_row_ratio = 1 / add_new_row_ratio;
+
+ if (add_to_row_ratio < 1)
+ add_to_row_ratio = 1 / add_to_row_ratio;
+
+ return add_to_row_ratio < add_new_row_ratio;
+};
+
+//If moving the last node from the longest row and adding it to the last
+//row makes the bounding box smaller, do it.
+CoSELayout.prototype.shiftToLastRow = function (organization) {
+ var longest = this.getLongestRowIndex(organization);
+ var last = organization.rowWidth.length - 1;
+ var row = organization.rows[longest];
+ var node = row[row.length - 1];
+
+ var diff = node.width + organization.horizontalPadding;
+
+ // Check if there is enough space on the last row
+ if (organization.width - organization.rowWidth[last] > diff && longest != last) {
+ // Remove the last element of the longest row
+ row.splice(-1, 1);
+
+ // Push it to the last row
+ organization.rows[last].push(node);
+
+ organization.rowWidth[longest] = organization.rowWidth[longest] - diff;
+ organization.rowWidth[last] = organization.rowWidth[last] + diff;
+ organization.width = organization.rowWidth[instance.getLongestRowIndex(organization)];
+
+ // Update heights of the organization
+ var maxHeight = Number.MIN_VALUE;
+ for (var i = 0; i < row.length; i++) {
+ if (row[i].height > maxHeight)
+ maxHeight = row[i].height;
+ }
+ if (longest > 0)
+ maxHeight += organization.verticalPadding;
+
+ var prevTotal = organization.rowHeight[longest] + organization.rowHeight[last];
+
+ organization.rowHeight[longest] = maxHeight;
+ if (organization.rowHeight[last] < node.height + organization.verticalPadding)
+ organization.rowHeight[last] = node.height + organization.verticalPadding;
+
+ var finalTotal = organization.rowHeight[longest] + organization.rowHeight[last];
+ organization.height += (finalTotal - prevTotal);
+
+ this.shiftToLastRow(organization);
+ }
+};
+
+CoSELayout.prototype.tilingPreLayout = function() {
+ if (CoSEConstants.TILE) {
+ // Find zero degree nodes and create a compound for each level
+ this.groupZeroDegreeMembers();
+ // Tile and clear children of each compound
+ this.clearCompounds();
+ // Separately tile and clear zero degree nodes for each level
+ this.clearZeroDegreeMembers();
+ }
+};
+
+CoSELayout.prototype.tilingPostLayout = function() {
+ if (CoSEConstants.TILE) {
+ this.repopulateZeroDegreeMembers();
+ this.repopulateCompounds();
+ }
+};
+
+// -----------------------------------------------------------------------------
+// Section: Tree Reduction methods
+// -----------------------------------------------------------------------------
+// Reduce trees
+CoSELayout.prototype.reduceTrees = function ()
+{
+ var prunedNodesAll = [];
+ var containsLeaf = true;
+ var node;
+
+ while(containsLeaf) {
+ var allNodes = this.graphManager.getAllNodes();
+ var prunedNodesInStepTemp = [];
+ containsLeaf = false;
+
+ for (var i = 0; i < allNodes.length; i++) {
+ node = allNodes[i];
+ if(node.getEdges().length == 1 && !node.getEdges()[0].isInterGraph && node.getChild() == null){
+ if(CoSEConstants.PURE_INCREMENTAL) {
+ var otherEnd = node.getEdges()[0].getOtherEnd(node);
+ var relativePosition = new DimensionD(node.getCenterX() - otherEnd.getCenterX(), node.getCenterY() - otherEnd.getCenterY());
+ prunedNodesInStepTemp.push([node, node.getEdges()[0], node.getOwner(), relativePosition]);
+ }
+ else {
+ prunedNodesInStepTemp.push([node, node.getEdges()[0], node.getOwner()]);
+ }
+ containsLeaf = true;
+ }
+ }
+ if(containsLeaf == true){
+ var prunedNodesInStep = [];
+ for(var j = 0; j < prunedNodesInStepTemp.length; j++){
+ if(prunedNodesInStepTemp[j][0].getEdges().length == 1){
+ prunedNodesInStep.push(prunedNodesInStepTemp[j]);
+ prunedNodesInStepTemp[j][0].getOwner().remove(prunedNodesInStepTemp[j][0]);
+ }
+ }
+ prunedNodesAll.push(prunedNodesInStep);
+ this.graphManager.resetAllNodes();
+ this.graphManager.resetAllEdges();
+ }
+ }
+ this.prunedNodesAll = prunedNodesAll;
+};
+
+// Grow tree one step
+CoSELayout.prototype.growTree = function(prunedNodesAll)
+{
+ var lengthOfPrunedNodesInStep = prunedNodesAll.length;
+ var prunedNodesInStep = prunedNodesAll[lengthOfPrunedNodesInStep - 1];
+
+ var nodeData;
+ for(var i = 0; i < prunedNodesInStep.length; i++){
+ nodeData = prunedNodesInStep[i];
+
+ this.findPlaceforPrunedNode(nodeData);
+
+ nodeData[2].add(nodeData[0]);
+ nodeData[2].add(nodeData[1], nodeData[1].source, nodeData[1].target);
+ }
+
+ prunedNodesAll.splice(prunedNodesAll.length-1, 1);
+ this.graphManager.resetAllNodes();
+ this.graphManager.resetAllEdges();
+};
+
+// Find an appropriate position to replace pruned node, this method can be improved
+CoSELayout.prototype.findPlaceforPrunedNode = function(nodeData){
+
+ var gridForPrunedNode;
+ var nodeToConnect;
+ var prunedNode = nodeData[0];
+ if(prunedNode == nodeData[1].source){
+ nodeToConnect = nodeData[1].target;
+ }
+ else {
+ nodeToConnect = nodeData[1].source;
+ }
+
+ if(CoSEConstants.PURE_INCREMENTAL) {
+ prunedNode.setCenter(nodeToConnect.getCenterX() + nodeData[3].getWidth(),
+ nodeToConnect.getCenterY() + nodeData[3].getHeight());
+ }
+ else {
+ var startGridX = nodeToConnect.startX;
+ var finishGridX = nodeToConnect.finishX;
+ var startGridY = nodeToConnect.startY;
+ var finishGridY = nodeToConnect.finishY;
+
+ var upNodeCount = 0;
+ var downNodeCount = 0;
+ var rightNodeCount = 0;
+ var leftNodeCount = 0;
+ var controlRegions = [upNodeCount, rightNodeCount, downNodeCount, leftNodeCount]
+
+ if(startGridY > 0){
+ for(var i = startGridX; i <= finishGridX; i++ ){
+ controlRegions[0] += (this.grid[i][startGridY - 1].length + this.grid[i][startGridY].length - 1);
+ }
+ }
+ if(finishGridX < this.grid.length - 1){
+ for(var i = startGridY; i <= finishGridY; i++ ){
+ controlRegions[1] += (this.grid[finishGridX + 1][i].length + this.grid[finishGridX][i].length - 1);
+ }
+ }
+ if(finishGridY < this.grid[0].length - 1){
+ for(var i = startGridX; i <= finishGridX; i++ ){
+ controlRegions[2] += (this.grid[i][finishGridY + 1].length + this.grid[i][finishGridY].length - 1);
+ }
+ }
+ if(startGridX > 0){
+ for(var i = startGridY; i <= finishGridY; i++ ){
+ controlRegions[3] += (this.grid[startGridX - 1][i].length + this.grid[startGridX][i].length - 1);
+ }
+ }
+ var min = Integer.MAX_VALUE;
+ var minCount;
+ var minIndex;
+ for(var j = 0; j < controlRegions.length; j++){
+ if(controlRegions[j] < min){
+ min = controlRegions[j];
+ minCount = 1;
+ minIndex = j;
+ }
+ else if(controlRegions[j] == min){
+ minCount++;
+ }
+ }
+
+ if(minCount == 3 && min == 0){
+ if(controlRegions[0] == 0 && controlRegions[1] == 0 && controlRegions[2] == 0){
+ gridForPrunedNode = 1;
+ }
+ else if(controlRegions[0] == 0 && controlRegions[1] == 0 && controlRegions[3] == 0){
+ gridForPrunedNode = 0;
+ }
+ else if(controlRegions[0] == 0 && controlRegions[2] == 0 && controlRegions[3] == 0){
+ gridForPrunedNode = 3;
+ }
+ else if(controlRegions[1] == 0 && controlRegions[2] == 0 && controlRegions[3] == 0){
+ gridForPrunedNode = 2;
+ }
+ }
+ else if(minCount == 2 && min == 0){
+ var random = Math.floor(Math.random() * 2);
+ if(controlRegions[0] == 0 && controlRegions[1] == 0){;
+ if(random == 0){
+ gridForPrunedNode = 0;
+ }
+ else{
+ gridForPrunedNode = 1;
+ }
+ }
+ else if(controlRegions[0] == 0 && controlRegions[2] == 0){
+ if(random == 0){
+ gridForPrunedNode = 0;
+ }
+ else{
+ gridForPrunedNode = 2;
+ }
+ }
+ else if(controlRegions[0] == 0 && controlRegions[3] == 0){
+ if(random == 0){
+ gridForPrunedNode = 0;
+ }
+ else{
+ gridForPrunedNode = 3;
+ }
+ }
+ else if(controlRegions[1] == 0 && controlRegions[2] == 0){
+ if(random == 0){
+ gridForPrunedNode = 1;
+ }
+ else{
+ gridForPrunedNode = 2;
+ }
+ }
+ else if(controlRegions[1] == 0 && controlRegions[3] == 0){
+ if(random == 0){
+ gridForPrunedNode = 1;
+ }
+ else{
+ gridForPrunedNode = 3;
+ }
+ }
+ else {
+ if(random == 0){
+ gridForPrunedNode = 2;
+ }
+ else{
+ gridForPrunedNode = 3;
+ }
+ }
+ }
+ else if(minCount == 4 && min == 0){
+ var random = Math.floor(Math.random() * 4);
+ gridForPrunedNode = random;
+ }
+ else {
+ gridForPrunedNode = minIndex;
+ }
+
+ if(gridForPrunedNode == 0) {
+ prunedNode.setCenter(nodeToConnect.getCenterX(),
+ nodeToConnect.getCenterY() - nodeToConnect.getHeight()/2 - FDLayoutConstants.DEFAULT_EDGE_LENGTH - prunedNode.getHeight()/2);
+ }
+ else if(gridForPrunedNode == 1) {
+ prunedNode.setCenter(nodeToConnect.getCenterX() + nodeToConnect.getWidth()/2 + FDLayoutConstants.DEFAULT_EDGE_LENGTH + prunedNode.getWidth()/2,
+ nodeToConnect.getCenterY());
+ }
+ else if(gridForPrunedNode == 2) {
+ prunedNode.setCenter(nodeToConnect.getCenterX(),
+ nodeToConnect.getCenterY() + nodeToConnect.getHeight()/2 + FDLayoutConstants.DEFAULT_EDGE_LENGTH + prunedNode.getHeight()/2);
+ }
+ else {
+ prunedNode.setCenter(nodeToConnect.getCenterX() - nodeToConnect.getWidth()/2 - FDLayoutConstants.DEFAULT_EDGE_LENGTH - prunedNode.getWidth()/2,
+ nodeToConnect.getCenterY());
+ }
+ }
+};
+
+module.exports = CoSELayout;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSENode.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSENode.js
new file mode 100644
index 0000000000000000000000000000000000000000..52e01d15dcf3532c13141977638bdbeae5bbceae
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/CoSENode.js
@@ -0,0 +1,127 @@
+var FDLayoutNode = require('layout-base').FDLayoutNode;
+var IMath = require('layout-base').IMath;
+
+function CoSENode(gm, loc, size, vNode) {
+ FDLayoutNode.call(this, gm, loc, size, vNode);
+}
+
+CoSENode.prototype = Object.create(FDLayoutNode.prototype);
+for (var prop in FDLayoutNode) {
+ CoSENode[prop] = FDLayoutNode[prop];
+}
+
+CoSENode.prototype.calculateDisplacement = function ()
+{
+ var layout = this.graphManager.getLayout();
+ // this check is for compound nodes that contain fixed nodes
+ if (this.getChild() != null && this.fixedNodeWeight) {
+ this.displacementX += layout.coolingFactor *
+ (this.springForceX + this.repulsionForceX + this.gravitationForceX) / this.fixedNodeWeight;
+ this.displacementY += layout.coolingFactor *
+ (this.springForceY + this.repulsionForceY + this.gravitationForceY) / this.fixedNodeWeight;
+ }
+ else {
+ this.displacementX += layout.coolingFactor *
+ (this.springForceX + this.repulsionForceX + this.gravitationForceX) / this.noOfChildren;
+ this.displacementY += layout.coolingFactor *
+ (this.springForceY + this.repulsionForceY + this.gravitationForceY) / this.noOfChildren;
+ }
+
+ if (Math.abs(this.displacementX) > layout.coolingFactor * layout.maxNodeDisplacement)
+ {
+ this.displacementX = layout.coolingFactor * layout.maxNodeDisplacement *
+ IMath.sign(this.displacementX);
+ }
+
+ if (Math.abs(this.displacementY) > layout.coolingFactor * layout.maxNodeDisplacement)
+ {
+ this.displacementY = layout.coolingFactor * layout.maxNodeDisplacement *
+ IMath.sign(this.displacementY);
+ }
+
+ // non-empty compound node, propogate movement to children as well
+ if(this.child && this.child.getNodes().length > 0)
+ {
+ this.propogateDisplacementToChildren(this.displacementX,
+ this.displacementY);
+ }
+
+};
+
+CoSENode.prototype.propogateDisplacementToChildren = function (dX, dY)
+{
+ var nodes = this.getChild().getNodes();
+ var node;
+ for (var i = 0; i < nodes.length; i++)
+ {
+ node = nodes[i];
+ if (node.getChild() == null)
+ {
+ node.displacementX += dX;
+ node.displacementY += dY;
+ }
+ else
+ {
+ node.propogateDisplacementToChildren(dX, dY);
+ }
+ }
+};
+
+CoSENode.prototype.move = function ()
+{
+ var layout = this.graphManager.getLayout();
+
+ // a simple node or an empty compound node, move it
+ if (this.child == null || this.child.getNodes().length == 0)
+ {
+ this.moveBy(this.displacementX, this.displacementY);
+
+ layout.totalDisplacement += Math.abs(this.displacementX) + Math.abs(this.displacementY);
+ }
+
+ this.springForceX = 0;
+ this.springForceY = 0;
+ this.repulsionForceX = 0;
+ this.repulsionForceY = 0;
+ this.gravitationForceX = 0;
+ this.gravitationForceY = 0;
+ this.displacementX = 0;
+ this.displacementY = 0;
+};
+
+CoSENode.prototype.setPred1 = function (pred1)
+{
+ this.pred1 = pred1;
+};
+
+CoSENode.prototype.getPred1 = function ()
+{
+ return pred1;
+};
+
+CoSENode.prototype.getPred2 = function ()
+{
+ return pred2;
+};
+
+CoSENode.prototype.setNext = function (next)
+{
+ this.next = next;
+};
+
+CoSENode.prototype.getNext = function ()
+{
+ return next;
+};
+
+CoSENode.prototype.setProcessed = function (processed)
+{
+ this.processed = processed;
+};
+
+CoSENode.prototype.isProcessed = function ()
+{
+ return processed;
+};
+
+module.exports = CoSENode;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/ConstraintHandler.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/ConstraintHandler.js
new file mode 100644
index 0000000000000000000000000000000000000000..ee49a7e5bb93416b968611602c719af059e467b8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/src/ConstraintHandler.js
@@ -0,0 +1,848 @@
+var CoSEConstants = require('./CoSEConstants');
+var LinkedList = require('layout-base').LinkedList;
+var Matrix = require('layout-base').Matrix;
+var SVD = require('layout-base').SVD;
+
+function ConstraintHandler() {
+}
+
+ConstraintHandler.handleConstraints = function (layout)
+{
+// let layout = this.graphManager.getLayout();
+
+ // get constraints from layout
+ let constraints = {};
+ constraints.fixedNodeConstraint = layout.constraints.fixedNodeConstraint;
+ constraints.alignmentConstraint = layout.constraints.alignmentConstraint;
+ constraints.relativePlacementConstraint = layout.constraints.relativePlacementConstraint;
+
+ let idToNodeMap = new Map();
+ let nodeIndexes = new Map();
+ let xCoords = [];
+ let yCoords = [];
+
+ let allNodes = layout.getAllNodes();
+ let index = 0;
+ // fill index map and coordinates
+ for (let i = 0; i < allNodes.length; i++) {
+ let node = allNodes[i];
+ if (node.getChild() == null) {
+ nodeIndexes.set(node.id, index++);
+ xCoords.push(node.getCenterX());
+ yCoords.push(node.getCenterY());
+ idToNodeMap.set(node.id, node);
+ }
+ }
+
+ // if there exists relative placement constraint without gap value, set it to default
+ if (constraints.relativePlacementConstraint) {
+ constraints.relativePlacementConstraint.forEach(function(constraint) {
+ if (!constraint.gap && constraint.gap != 0) {
+ if (constraint.left) {
+ constraint.gap = CoSEConstants.DEFAULT_EDGE_LENGTH + idToNodeMap.get(constraint.left).getWidth()/2 + idToNodeMap.get(constraint.right).getWidth()/2;
+ }
+ else {
+ constraint.gap = CoSEConstants.DEFAULT_EDGE_LENGTH + idToNodeMap.get(constraint.top).getHeight()/2 + idToNodeMap.get(constraint.bottom).getHeight()/2;
+ }
+ }
+ });
+ }
+
+ /* auxiliary functions */
+
+ // calculate difference between two position objects
+ let calculatePositionDiff = function(pos1, pos2) {
+ return {x: pos1.x - pos2.x, y: pos1.y - pos2.y};
+ };
+
+ // calculate average position of the nodes
+ let calculateAvgPosition = function(nodeIdSet) {
+ let xPosSum = 0;
+ let yPosSum = 0;
+ nodeIdSet.forEach(function(nodeId) {
+ xPosSum += xCoords[nodeIndexes.get(nodeId)];
+ yPosSum += yCoords[nodeIndexes.get(nodeId)];
+ });
+
+ return {x: xPosSum / nodeIdSet.size, y: yPosSum / nodeIdSet.size};
+ };
+
+ // find an appropriate positioning for the nodes in a given graph according to relative placement constraints
+ // this function also takes the fixed nodes and alignment constraints into account
+ // graph: dag to be evaluated, direction: "horizontal" or "vertical",
+ // fixedNodes: set of fixed nodes to consider during evaluation, dummyPositions: appropriate coordinates of the dummy nodes
+ let findAppropriatePositionForRelativePlacement = function(graph, direction, fixedNodes, dummyPositions, componentSources) {
+
+ // find union of two sets
+ function setUnion(setA, setB) {
+ let union = new Set(setA);
+ for (let elem of setB) {
+ union.add(elem);
+ }
+ return union;
+ }
+
+ // find indegree count for each node
+ let inDegrees = new Map();
+
+ graph.forEach(function(value, key) {
+ inDegrees.set(key, 0);
+ });
+ graph.forEach(function(value, key) {
+ value.forEach(function(adjacent) {
+ inDegrees.set(adjacent.id, inDegrees.get(adjacent.id) + 1);
+ });
+ });
+
+ let positionMap = new Map(); // keeps the position for each node
+ let pastMap = new Map(); // keeps the predecessors(past) of a node
+ let queue = new LinkedList();
+ inDegrees.forEach(function(value, key) {
+ if (value == 0) {
+ queue.push(key);
+ if (!fixedNodes) {
+ if (direction == "horizontal") {
+ positionMap.set(key, nodeIndexes.has(key) ? xCoords[nodeIndexes.get(key)] : dummyPositions.get(key));
+ }
+ else {
+ positionMap.set(key, nodeIndexes.has(key) ? yCoords[nodeIndexes.get(key)] : dummyPositions.get(key));
+ }
+ }
+ }
+ else {
+ positionMap.set(key, Number.NEGATIVE_INFINITY);
+ }
+ if (fixedNodes) {
+ pastMap.set(key, new Set([key]));
+ }
+ });
+
+ // align sources of each component in enforcement phase
+ if (fixedNodes) {
+ componentSources.forEach(function(component) {
+ let fixedIds = [];
+ component.forEach(function(nodeId) {
+ if (fixedNodes.has(nodeId)) {
+ fixedIds.push(nodeId);
+ }
+ });
+ if (fixedIds.length > 0) {
+ let position = 0;
+ fixedIds.forEach(function(fixedId) {
+ if (direction == "horizontal") {
+ positionMap.set(fixedId, nodeIndexes.has(fixedId) ? xCoords[nodeIndexes.get(fixedId)] : dummyPositions.get(fixedId));
+ position += positionMap.get(fixedId);
+ }
+ else {
+ positionMap.set(fixedId, nodeIndexes.has(fixedId) ? yCoords[nodeIndexes.get(fixedId)] : dummyPositions.get(fixedId));
+ position += positionMap.get(fixedId);
+ }
+ });
+ position = position / fixedIds.length;
+ component.forEach(function(nodeId) {
+ if (!fixedNodes.has(nodeId)) {
+ positionMap.set(nodeId, position);
+ }
+ });
+ }
+ else {
+ let position = 0;
+ component.forEach(function(nodeId) {
+ if (direction == "horizontal") {
+ position += nodeIndexes.has(nodeId) ? xCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ }
+ else {
+ position += nodeIndexes.has(nodeId) ? yCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ }
+ });
+ position = position / component.length;
+ component.forEach(function(nodeId) {
+ positionMap.set(nodeId, position);
+ });
+ }
+ });
+ }
+
+ // calculate positions of the nodes
+ while (queue.length != 0) {
+ let currentNode = queue.shift();
+ let neighbors = graph.get(currentNode);
+ neighbors.forEach(function(neighbor) {
+ if (positionMap.get(neighbor.id) < (positionMap.get(currentNode) + neighbor.gap)) {
+ if (fixedNodes && fixedNodes.has(neighbor.id)) {
+ let fixedPosition;
+ if (direction == "horizontal") {
+ fixedPosition = nodeIndexes.has(neighbor.id) ? xCoords[nodeIndexes.get(neighbor.id)] : dummyPositions.get(neighbor.id);
+ }
+ else {
+ fixedPosition = nodeIndexes.has(neighbor.id) ? yCoords[nodeIndexes.get(neighbor.id)] : dummyPositions.get(neighbor.id);
+ }
+ positionMap.set(neighbor.id, fixedPosition); // TODO: may do unnecessary work
+ if (fixedPosition < (positionMap.get(currentNode) + neighbor.gap)) {
+ let diff = (positionMap.get(currentNode) + neighbor.gap) - fixedPosition;
+ pastMap.get(currentNode).forEach(function(nodeId) {
+ positionMap.set(nodeId, positionMap.get(nodeId) - diff);
+ });
+ }
+ }
+ else {
+ positionMap.set(neighbor.id, positionMap.get(currentNode) + neighbor.gap);
+ }
+ }
+ inDegrees.set(neighbor.id, inDegrees.get(neighbor.id) - 1);
+ if (inDegrees.get(neighbor.id) == 0) {
+ queue.push(neighbor.id);
+ }
+ if (fixedNodes) {
+ pastMap.set(neighbor.id, setUnion(pastMap.get(currentNode), pastMap.get(neighbor.id)));
+ }
+ });
+ }
+
+ // readjust position of the nodes after enforcement
+ if (fixedNodes) {
+ // find indegree count for each node
+ let sinkNodes = new Set();
+
+ graph.forEach(function(value, key) {
+ if (value.length == 0) {
+ sinkNodes.add(key);
+ }
+ });
+
+ let components = [];
+ pastMap.forEach(function(value, key) {
+ if (sinkNodes.has(key)) {
+ let isFixedComponent = false;
+ for (let nodeId of value) {
+ if (fixedNodes.has(nodeId)) {
+ isFixedComponent = true;
+ }
+ }
+ if (!isFixedComponent) {
+ let isExist = false;
+ let existAt;
+ components.forEach(function(component, index) {
+ if (component.has([...value][0])) {
+ isExist = true;
+ existAt = index;
+ }
+ });
+ if (!isExist) {
+ components.push(new Set(value));
+ }
+ else {
+ value.forEach(function(ele) {
+ components[existAt].add(ele);
+ });
+ }
+ }
+ }
+ });
+
+ components.forEach(function(component, index) {
+ let minBefore = Number.POSITIVE_INFINITY;
+ let minAfter = Number.POSITIVE_INFINITY;
+ let maxBefore = Number.NEGATIVE_INFINITY;
+ let maxAfter = Number.NEGATIVE_INFINITY;
+
+ for (let nodeId of component) {
+ let posBefore;
+ if (direction == "horizontal") {
+ posBefore = nodeIndexes.has(nodeId) ? xCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ }
+ else {
+ posBefore = nodeIndexes.has(nodeId) ? yCoords[nodeIndexes.get(nodeId)] : dummyPositions.get(nodeId);
+ }
+ let posAfter = positionMap.get(nodeId);
+ if (posBefore < minBefore) {
+ minBefore = posBefore;
+ }
+ if (posBefore > maxBefore) {
+ maxBefore = posBefore;
+ }
+ if (posAfter < minAfter) {
+ minAfter = posAfter;
+ }
+ if (posAfter > maxAfter) {
+ maxAfter = posAfter;
+ }
+ }
+ let diff = (minBefore + maxBefore) / 2 - (minAfter + maxAfter) / 2;
+
+ for (let nodeId of component) {
+ positionMap.set(nodeId, positionMap.get(nodeId) + diff);
+ }
+ });
+ }
+
+ return positionMap;
+ };
+
+ // find transformation based on rel. placement constraints if there are both alignment and rel. placement constraints
+ // or if there are only rel. placement contraints where the largest component isn't sufficiently large
+ let applyReflectionForRelativePlacement = function (relativePlacementConstraints) {
+ // variables to count votes
+ let reflectOnY = 0, notReflectOnY = 0;
+ let reflectOnX = 0, notReflectOnX = 0;
+
+ relativePlacementConstraints.forEach(function(constraint) {
+ if (constraint.left) {
+ (xCoords[nodeIndexes.get(constraint.left)] - xCoords[nodeIndexes.get(constraint.right)] >= 0) ? reflectOnY++ : notReflectOnY++;
+ }
+ else {
+ (yCoords[nodeIndexes.get(constraint.top)] - yCoords[nodeIndexes.get(constraint.bottom)] >= 0) ? reflectOnX++ : notReflectOnX++;
+ }
+ });
+
+ if (reflectOnY > notReflectOnY && reflectOnX > notReflectOnX) {
+ for (let i = 0; i < nodeIndexes.size; i++) {
+ xCoords[i] = -1 * xCoords[i];
+ yCoords[i] = -1 * yCoords[i];
+ }
+ }
+ else if (reflectOnY > notReflectOnY) {
+ for (let i = 0; i < nodeIndexes.size; i++) {
+ xCoords[i] = -1 * xCoords[i];
+ }
+ }
+ else if (reflectOnX > notReflectOnX) {
+ for (let i = 0; i < nodeIndexes.size; i++) {
+ yCoords[i] = -1 * yCoords[i];
+ }
+ }
+ };
+
+ // find weakly connected components in undirected graph
+ let findComponents = function(graph) {
+ // find weakly connected components in dag
+ let components = [];
+ let queue = new LinkedList();
+ let visited = new Set();
+ let count = 0;
+
+ graph.forEach(function(value, key) {
+ if (!visited.has(key)) {
+ components[count] = [];
+ let currentNode = key;
+ queue.push(currentNode);
+ visited.add(currentNode);
+ components[count].push(currentNode);
+
+ while (queue.length != 0) {
+ currentNode = queue.shift();
+ let neighbors = graph.get(currentNode);
+ neighbors.forEach(function(neighbor) {
+ if (!visited.has(neighbor.id)) {
+ queue.push(neighbor.id);
+ visited.add(neighbor.id);
+ components[count].push(neighbor.id);
+ }
+ });
+ }
+ count++;
+ }
+ });
+ return components;
+ };
+
+ // return undirected version of given dag
+ let dagToUndirected = function(dag) {
+ let undirected = new Map();
+
+ dag.forEach(function(value, key) {
+ undirected.set(key, []);
+ });
+
+ dag.forEach(function(value, key) {
+ value.forEach(function(adjacent) {
+ undirected.get(key).push(adjacent);
+ undirected.get(adjacent.id).push({id: key, gap: adjacent.gap, direction: adjacent.direction});
+ });
+ });
+
+ return undirected;
+ };
+
+ // return reversed (directions inverted) version of given dag
+ let dagToReversed = function(dag) {
+ let reversed = new Map();
+
+ dag.forEach(function(value, key) {
+ reversed.set(key, []);
+ });
+
+ dag.forEach(function(value, key) {
+ value.forEach(function(adjacent) {
+ reversed.get(adjacent.id).push({id: key, gap: adjacent.gap, direction: adjacent.direction});
+ });
+ });
+
+ return reversed;
+ };
+
+ /**** apply transformation to the initial draft layout to better align with constrained nodes ****/
+ // solve the Orthogonal Procrustean Problem to rotate and/or reflect initial draft layout
+ // here we follow the solution in Chapter 20.2 of Borg, I. & Groenen, P. (2005) Modern Multidimensional Scaling: Theory and Applications
+
+ /* construct source and target configurations */
+
+ let targetMatrix = []; // A - target configuration
+ let sourceMatrix = []; // B - source configuration
+ let standardTransformation = false; // false for no transformation, true for standart (Procrustes) transformation (rotation and/or reflection)
+ let reflectionType = false; // false/true for reflection check, 'reflectOnX', 'reflectOnY' or 'reflectOnBoth' for reflection type if necessary
+ let fixedNodes = new Set();
+ let dag = new Map(); // adjacency list to keep directed acyclic graph (dag) that consists of relative placement constraints
+ let dagUndirected = new Map(); // undirected version of the dag
+ let components = []; // weakly connected components
+
+ // fill fixedNodes collection to use later
+ if (constraints.fixedNodeConstraint) {
+ constraints.fixedNodeConstraint.forEach(function(nodeData) {
+ fixedNodes.add(nodeData.nodeId);
+ });
+ }
+
+ // construct dag from relative placement constraints
+ if (constraints.relativePlacementConstraint) {
+ // construct both directed and undirected version of the dag
+ constraints.relativePlacementConstraint.forEach(function(constraint) {
+ if (constraint.left) {
+ if (dag.has(constraint.left)) {
+ dag.get(constraint.left).push({id: constraint.right, gap: constraint.gap, direction: "horizontal"});
+ }
+ else {
+ dag.set(constraint.left, [{id: constraint.right, gap: constraint.gap, direction: "horizontal"}]);
+ }
+ if (!dag.has(constraint.right)) {
+ dag.set(constraint.right, []);
+ }
+ }
+ else {
+ if (dag.has(constraint.top)) {
+ dag.get(constraint.top).push({id: constraint.bottom, gap: constraint.gap, direction: "vertical"});
+ }
+ else {
+ dag.set(constraint.top, [{id: constraint.bottom, gap: constraint.gap, direction: "vertical"}]);
+ }
+ if (!dag.has(constraint.bottom)) {
+ dag.set(constraint.bottom, []);
+ }
+ }
+ });
+
+ dagUndirected = dagToUndirected(dag);
+ components = findComponents(dagUndirected);
+ }
+
+ if (CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING) {
+ // first check fixed node constraint
+ if (constraints.fixedNodeConstraint && constraints.fixedNodeConstraint.length > 1) {
+ constraints.fixedNodeConstraint.forEach(function(nodeData, i) {
+ targetMatrix[i] = [nodeData.position.x, nodeData.position.y];
+ sourceMatrix[i] = [xCoords[nodeIndexes.get(nodeData.nodeId)], yCoords[nodeIndexes.get(nodeData.nodeId)]];
+ });
+ standardTransformation = true;
+ }
+ else if (constraints.alignmentConstraint) { // then check alignment constraint
+ let count = 0;
+ if (constraints.alignmentConstraint.vertical) {
+ let verticalAlign = constraints.alignmentConstraint.vertical;
+ for (let i = 0; i < verticalAlign.length; i++) {
+ let alignmentSet = new Set();
+ verticalAlign[i].forEach(function(nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ let intersection = new Set([...alignmentSet].filter(x => fixedNodes.has(x)));
+ let xPos;
+ if (intersection.size > 0)
+ xPos = xCoords[nodeIndexes.get(intersection.values().next().value)];
+ else
+ xPos = calculateAvgPosition(alignmentSet).x;
+
+ verticalAlign[i].forEach(function(nodeId) {
+ targetMatrix[count] = [xPos, yCoords[nodeIndexes.get(nodeId)]];
+ sourceMatrix[count] = [xCoords[nodeIndexes.get(nodeId)], yCoords[nodeIndexes.get(nodeId)]];
+ count++;
+ });
+ }
+ standardTransformation = true;
+ }
+ if (constraints.alignmentConstraint.horizontal) {
+ let horizontalAlign = constraints.alignmentConstraint.horizontal;
+ for (let i = 0; i < horizontalAlign.length; i++) {
+ let alignmentSet = new Set();
+ horizontalAlign[i].forEach(function(nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ let intersection = new Set([...alignmentSet].filter(x => fixedNodes.has(x)));
+ let yPos;
+ if (intersection.size > 0)
+ yPos = xCoords[nodeIndexes.get(intersection.values().next().value)];
+ else
+ yPos = calculateAvgPosition(alignmentSet).y;
+
+ horizontalAlign[i].forEach(function(nodeId) {
+ targetMatrix[count] = [xCoords[nodeIndexes.get(nodeId)], yPos];
+ sourceMatrix[count] = [xCoords[nodeIndexes.get(nodeId)], yCoords[nodeIndexes.get(nodeId)]];
+ count++;
+ });
+ }
+ standardTransformation = true;
+ }
+ if (constraints.relativePlacementConstraint) {
+ reflectionType = true;
+ }
+ }
+ else if (constraints.relativePlacementConstraint) { // finally check relative placement constraint
+ // find largest component in dag
+ let largestComponentSize = 0;
+ let largestComponentIndex = 0;
+ for (let i = 0; i < components.length; i++) {
+ if (components[i].length > largestComponentSize) {
+ largestComponentSize = components[i].length;
+ largestComponentIndex = i;
+ }
+ }
+ // if largest component isn't dominant, then take the votes for reflection
+ if (largestComponentSize < (dagUndirected.size / 2)) {
+ applyReflectionForRelativePlacement(constraints.relativePlacementConstraint);
+ standardTransformation = false;
+ reflectionType = false;
+ }
+ else { // use largest component for transformation
+ // construct horizontal and vertical subgraphs in the largest component
+ let subGraphOnHorizontal = new Map();
+ let subGraphOnVertical = new Map();
+ let constraintsInlargestComponent = [];
+
+ components[largestComponentIndex].forEach(function(nodeId) {
+ dag.get(nodeId).forEach(function(adjacent) {
+ if (adjacent.direction == "horizontal") {
+ if (subGraphOnHorizontal.has(nodeId)) {
+ subGraphOnHorizontal.get(nodeId).push(adjacent);
+ }
+ else {
+ subGraphOnHorizontal.set(nodeId, [adjacent]);
+ }
+ if (!subGraphOnHorizontal.has(adjacent.id)) {
+ subGraphOnHorizontal.set(adjacent.id, []);
+ }
+ constraintsInlargestComponent.push({left: nodeId, right: adjacent.id});
+ }
+ else {
+ if (subGraphOnVertical.has(nodeId)) {
+ subGraphOnVertical.get(nodeId).push(adjacent);
+ }
+ else {
+ subGraphOnVertical.set(nodeId, [adjacent]);
+ }
+ if (!subGraphOnVertical.has(adjacent.id)) {
+ subGraphOnVertical.set(adjacent.id, []);
+ }
+ constraintsInlargestComponent.push({top: nodeId, bottom: adjacent.id});
+ }
+ });
+ });
+
+ applyReflectionForRelativePlacement(constraintsInlargestComponent);
+ reflectionType = false;
+
+ // calculate appropriate positioning for subgraphs
+ let positionMapHorizontal = findAppropriatePositionForRelativePlacement(subGraphOnHorizontal, "horizontal");
+ let positionMapVertical = findAppropriatePositionForRelativePlacement(subGraphOnVertical, "vertical");
+
+ // construct source and target configuration
+ components[largestComponentIndex].forEach(function(nodeId, i) {
+ sourceMatrix[i] = [xCoords[nodeIndexes.get(nodeId)], yCoords[nodeIndexes.get(nodeId)]];
+ targetMatrix[i] = [];
+ if (positionMapHorizontal.has(nodeId)) {
+ targetMatrix[i][0] = positionMapHorizontal.get(nodeId);
+ }
+ else {
+ targetMatrix[i][0] = xCoords[nodeIndexes.get(nodeId)];
+ }
+ if (positionMapVertical.has(nodeId)) {
+ targetMatrix[i][1] = positionMapVertical.get(nodeId);
+ }
+ else {
+ targetMatrix[i][1] = yCoords[nodeIndexes.get(nodeId)];
+ }
+ });
+
+ standardTransformation = true;
+ }
+ }
+
+ // if transformation is required, then calculate and apply transformation matrix
+ if (standardTransformation) {
+ /* calculate transformation matrix */
+ let transformationMatrix;
+ let targetMatrixTranspose = Matrix.transpose(targetMatrix); // A'
+ let sourceMatrixTranspose = Matrix.transpose(sourceMatrix); // B'
+
+ // centralize transpose matrices
+ for (let i = 0; i < targetMatrixTranspose.length; i++) {
+ targetMatrixTranspose[i] = Matrix.multGamma(targetMatrixTranspose[i]);
+ sourceMatrixTranspose[i] = Matrix.multGamma(sourceMatrixTranspose[i]);
+ }
+
+ // do actual calculation for transformation matrix
+ let tempMatrix = Matrix.multMat(targetMatrixTranspose, Matrix.transpose(sourceMatrixTranspose)); // tempMatrix = A'B
+ let SVDResult = SVD.svd(tempMatrix); // SVD(A'B) = USV', svd function returns U, S and V
+ transformationMatrix = Matrix.multMat(SVDResult.V, Matrix.transpose(SVDResult.U)); // transformationMatrix = T = VU'
+
+ /* apply found transformation matrix to obtain final draft layout */
+ for (let i = 0; i < nodeIndexes.size; i++) {
+ let temp1 = [xCoords[i], yCoords[i]];
+ let temp2 = [transformationMatrix[0][0], transformationMatrix[1][0]];
+ let temp3 = [transformationMatrix[0][1], transformationMatrix[1][1]];
+ xCoords[i] = Matrix.dotProduct(temp1, temp2);
+ yCoords[i] = Matrix.dotProduct(temp1, temp3);
+ }
+
+ // applied only both alignment and rel. placement constraints exist
+ if (reflectionType) {
+ applyReflectionForRelativePlacement(constraints.relativePlacementConstraint);
+ }
+ }
+ }
+
+ if (CoSEConstants.ENFORCE_CONSTRAINTS) {
+ /**** enforce constraints on the transformed draft layout ****/
+
+ /* first enforce fixed node constraint */
+
+ if (constraints.fixedNodeConstraint && constraints.fixedNodeConstraint.length > 0) {
+ let translationAmount = { x: 0, y: 0 };
+ constraints.fixedNodeConstraint.forEach(function(nodeData, i) {
+ let posInTheory = {x: xCoords[nodeIndexes.get(nodeData.nodeId)], y: yCoords[nodeIndexes.get(nodeData.nodeId)]};
+ let posDesired = nodeData.position;
+ let posDiff = calculatePositionDiff(posDesired, posInTheory);
+ translationAmount.x += posDiff.x;
+ translationAmount.y += posDiff.y;
+ });
+ translationAmount.x /= constraints.fixedNodeConstraint.length;
+ translationAmount.y /= constraints.fixedNodeConstraint.length;
+
+ xCoords.forEach(function(value, i) {
+ xCoords[i] += translationAmount.x;
+ });
+
+ yCoords.forEach(function(value, i) {
+ yCoords[i] += translationAmount.y;
+ });
+
+ constraints.fixedNodeConstraint.forEach(function(nodeData) {
+ xCoords[nodeIndexes.get(nodeData.nodeId)] = nodeData.position.x;
+ yCoords[nodeIndexes.get(nodeData.nodeId)] = nodeData.position.y;
+ });
+ }
+
+ /* then enforce alignment constraint */
+
+ if (constraints.alignmentConstraint) {
+ if (constraints.alignmentConstraint.vertical) {
+ let xAlign = constraints.alignmentConstraint.vertical;
+ for (let i = 0; i < xAlign.length; i++) {
+ let alignmentSet = new Set();
+ xAlign[i].forEach(function(nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ let intersection = new Set([...alignmentSet].filter(x => fixedNodes.has(x)));
+ let xPos;
+ if (intersection.size > 0)
+ xPos = xCoords[nodeIndexes.get(intersection.values().next().value)];
+ else
+ xPos = calculateAvgPosition(alignmentSet).x;
+
+ alignmentSet.forEach(function(nodeId) {
+ if (!fixedNodes.has(nodeId))
+ xCoords[nodeIndexes.get(nodeId)] = xPos;
+ });
+ }
+ }
+ if (constraints.alignmentConstraint.horizontal) {
+ let yAlign = constraints.alignmentConstraint.horizontal;
+ for (let i = 0; i < yAlign.length; i++) {
+ let alignmentSet = new Set();
+ yAlign[i].forEach(function(nodeId) {
+ alignmentSet.add(nodeId);
+ });
+ let intersection = new Set([...alignmentSet].filter(x => fixedNodes.has(x)));
+ let yPos;
+ if (intersection.size > 0)
+ yPos = yCoords[nodeIndexes.get(intersection.values().next().value)];
+ else
+ yPos = calculateAvgPosition(alignmentSet).y;
+
+ alignmentSet.forEach(function(nodeId) {
+ if (!fixedNodes.has(nodeId))
+ yCoords[nodeIndexes.get(nodeId)] = yPos;
+ });
+ }
+ }
+ }
+
+ /* finally enforce relative placement constraint */
+
+ if (constraints.relativePlacementConstraint) {
+ let nodeToDummyForVerticalAlignment = new Map();
+ let nodeToDummyForHorizontalAlignment = new Map();
+ let dummyToNodeForVerticalAlignment = new Map();
+ let dummyToNodeForHorizontalAlignment = new Map();
+ let dummyPositionsForVerticalAlignment = new Map();
+ let dummyPositionsForHorizontalAlignment = new Map();
+ let fixedNodesOnHorizontal = new Set();
+ let fixedNodesOnVertical = new Set();
+
+ // fill maps and sets
+ fixedNodes.forEach(function(nodeId) {
+ fixedNodesOnHorizontal.add(nodeId);
+ fixedNodesOnVertical.add(nodeId);
+ });
+
+ if (constraints.alignmentConstraint) {
+ if (constraints.alignmentConstraint.vertical) {
+ let verticalAlignment = constraints.alignmentConstraint.vertical;
+ for (let i = 0; i < verticalAlignment.length; i++) {
+ dummyToNodeForVerticalAlignment.set("dummy" + i, []);
+ verticalAlignment[i].forEach(function(nodeId) {
+ nodeToDummyForVerticalAlignment.set(nodeId, "dummy" + i);
+ dummyToNodeForVerticalAlignment.get("dummy" + i).push(nodeId);
+ if (fixedNodes.has(nodeId)) {
+ fixedNodesOnHorizontal.add("dummy" + i);
+ }
+ });
+ dummyPositionsForVerticalAlignment.set("dummy" + i, xCoords[nodeIndexes.get(verticalAlignment[i][0])]);
+ }
+ }
+ if (constraints.alignmentConstraint.horizontal) {
+ let horizontalAlignment = constraints.alignmentConstraint.horizontal;
+ for (let i = 0; i < horizontalAlignment.length; i++) {
+ dummyToNodeForHorizontalAlignment.set("dummy" + i, []);
+ horizontalAlignment[i].forEach(function(nodeId) {
+ nodeToDummyForHorizontalAlignment.set(nodeId, "dummy" + i);
+ dummyToNodeForHorizontalAlignment.get("dummy" + i).push(nodeId);
+ if (fixedNodes.has(nodeId)) {
+ fixedNodesOnVertical.add("dummy" + i);
+ }
+ });
+ dummyPositionsForHorizontalAlignment.set("dummy" + i, yCoords[nodeIndexes.get(horizontalAlignment[i][0])]);
+ }
+ }
+ }
+
+ // construct horizontal and vertical dags (subgraphs) from overall dag
+ let dagOnHorizontal = new Map();
+ let dagOnVertical = new Map();
+
+ for (let nodeId of dag.keys()) {
+ dag.get(nodeId).forEach(function(adjacent) {
+ let sourceId;
+ let targetNode;
+ if (adjacent["direction"] == "horizontal") {
+ sourceId = nodeToDummyForVerticalAlignment.get(nodeId) ? nodeToDummyForVerticalAlignment.get(nodeId) : nodeId;
+ if (nodeToDummyForVerticalAlignment.get(adjacent.id)) {
+ targetNode = {id: nodeToDummyForVerticalAlignment.get(adjacent.id), gap: adjacent.gap, direction: adjacent.direction};
+ }
+ else {
+ targetNode = adjacent;
+ }
+ if (dagOnHorizontal.has(sourceId)) {
+ dagOnHorizontal.get(sourceId).push(targetNode);
+ }
+ else {
+ dagOnHorizontal.set(sourceId, [targetNode]);
+ }
+ if (!dagOnHorizontal.has(targetNode.id)) {
+ dagOnHorizontal.set(targetNode.id, []);
+ }
+ }
+ else {
+ sourceId = nodeToDummyForHorizontalAlignment.get(nodeId) ? nodeToDummyForHorizontalAlignment.get(nodeId) : nodeId;
+ if (nodeToDummyForHorizontalAlignment.get(adjacent.id)) {
+ targetNode = {id: nodeToDummyForHorizontalAlignment.get(adjacent.id), gap: adjacent.gap, direction: adjacent.direction};
+ }
+ else {
+ targetNode = adjacent;
+ }
+ if (dagOnVertical.has(sourceId)) {
+ dagOnVertical.get(sourceId).push(targetNode);
+ }
+ else {
+ dagOnVertical.set(sourceId, [targetNode]);
+ }
+ if (!dagOnVertical.has(targetNode.id)) {
+ dagOnVertical.set(targetNode.id, []);
+ }
+ }
+ });
+ }
+
+ // find source nodes of each component in horizontal and vertical dags
+ let undirectedOnHorizontal = dagToUndirected(dagOnHorizontal);
+ let undirectedOnVertical = dagToUndirected(dagOnVertical);
+ let componentsOnHorizontal = findComponents(undirectedOnHorizontal);
+ let componentsOnVertical = findComponents(undirectedOnVertical);
+ let reversedDagOnHorizontal = dagToReversed(dagOnHorizontal);
+ let reversedDagOnVertical = dagToReversed(dagOnVertical);
+ let componentSourcesOnHorizontal = [];
+ let componentSourcesOnVertical = [];
+
+ componentsOnHorizontal.forEach(function(component, index) {
+ componentSourcesOnHorizontal[index] = [];
+ component.forEach(function(nodeId) {
+ if (reversedDagOnHorizontal.get(nodeId).length == 0) {
+ componentSourcesOnHorizontal[index].push(nodeId);
+ }
+ });
+ });
+
+ componentsOnVertical.forEach(function(component, index) {
+ componentSourcesOnVertical[index] = [];
+ component.forEach(function(nodeId) {
+ if (reversedDagOnVertical.get(nodeId).length == 0) {
+ componentSourcesOnVertical[index].push(nodeId);
+ }
+ });
+ });
+
+ // calculate appropriate positioning for subgraphs
+ let positionMapHorizontal = findAppropriatePositionForRelativePlacement(dagOnHorizontal, "horizontal", fixedNodesOnHorizontal, dummyPositionsForVerticalAlignment, componentSourcesOnHorizontal);
+ let positionMapVertical = findAppropriatePositionForRelativePlacement(dagOnVertical, "vertical", fixedNodesOnVertical, dummyPositionsForHorizontalAlignment, componentSourcesOnVertical);
+
+ // update positions of the nodes based on relative placement constraints
+ for (let key of positionMapHorizontal.keys()) {
+ if (dummyToNodeForVerticalAlignment.get(key)) {
+ dummyToNodeForVerticalAlignment.get(key).forEach(function(nodeId) {
+ xCoords[nodeIndexes.get(nodeId)] = positionMapHorizontal.get(key);
+ });
+ }
+ else {
+ xCoords[nodeIndexes.get(key)] = positionMapHorizontal.get(key);
+ }
+ }
+ for (let key of positionMapVertical.keys()) {
+ if (dummyToNodeForHorizontalAlignment.get(key)) {
+ dummyToNodeForHorizontalAlignment.get(key).forEach(function(nodeId) {
+ yCoords[nodeIndexes.get(nodeId)] = positionMapVertical.get(key);
+ });
+ }
+ else {
+ yCoords[nodeIndexes.get(key)] = positionMapVertical.get(key);
+ }
+ }
+ }
+ }
+
+ // assign new coordinates to nodes after constraint handling
+ for (let i = 0; i < allNodes.length; i++) {
+ let node = allNodes[i];
+ if (node.getChild() == null) {
+ node.setCenter(xCoords[nodeIndexes.get(node.id)], yCoords[nodeIndexes.get(node.id)]);
+ }
+ }
+};
+
+module.exports = ConstraintHandler;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/webpack.config.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/webpack.config.js
new file mode 100644
index 0000000000000000000000000000000000000000..02d7c3c1eb0873df5096bd2066583602da323aea
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/cose-base/webpack.config.js
@@ -0,0 +1,39 @@
+const path = require('path');
+const pkg = require('./package.json');
+const camelcase = require('camelcase');
+const process = require('process');
+const webpack = require('webpack');
+const env = process.env;
+const NODE_ENV = env.NODE_ENV;
+const MIN = env.MIN;
+const PROD = NODE_ENV === 'production';
+
+let config = {
+ devtool: PROD ? false : 'inline-source-map',
+ entry: './index.js',
+ output: {
+ path: path.join( __dirname ),
+ filename: 'cose-base.js',
+ library: camelcase( pkg.name ),
+ libraryTarget: 'umd',
+ globalObject: 'this'
+ },
+ module: {
+ rules: [
+ { test: /\.js$/, exclude: /node_modules/, use: 'babel-loader' }
+ ]
+ },
+ optimization: {
+ minimize: MIN ? true : false
+ },
+ externals: PROD ? {
+ 'layout-base': {
+ commonjs2: 'layout-base',
+ commonjs: 'layout-base',
+ amd: 'layout-base',
+ root: 'layoutBase'
+ }
+ } : {}
+};
+
+module.exports = config;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/.babelrc b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/.babelrc
new file mode 100644
index 0000000000000000000000000000000000000000..002b4aa0d58ec481a2688d3c0b66e9069e5d6adb
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/.babelrc
@@ -0,0 +1,3 @@
+{
+ "presets": ["env"]
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/LICENSE b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..6553af2e92cf87902b380f873971628c883788ed
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 iVis@Bilkent
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/README.md b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..b08d3fb7edf6ea4cc5ab3ad8f5e76b904e706406
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/README.md
@@ -0,0 +1,20 @@
+layout-base
+================================================================================
+
+## Description
+
+This repository implements a basic layout model and some utilities for Cytoscape.js layout extensions.
+
+## Usage instructions
+
+Add `layout-base` as a dependecy to your layout extension.
+
+`require()` in the extension to reach functionality:
+
+ * `var Integer = require(layout-base).Integer`,
+ * `var Layout = require(layout-base).Layout`,
+ * `...`
+
+ For a usage example, see [cose-base](https://github.com/iVis-at-Bilkent/cose-base) or [avsdf-base](https://github.com/iVis-at-Bilkent/avsdf-base).
+
+ 
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/bower.json b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/bower.json
new file mode 100644
index 0000000000000000000000000000000000000000..24f74de75d826c71c901136533823f9fbb020d55
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/bower.json
@@ -0,0 +1,20 @@
+{
+ "name": "layout-base",
+ "description": "Basic layout model and some utilities for Cytoscape.js layout extensions",
+ "main": "layout-base.js",
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/iVis-at-Bilkent/layout-base.git"
+ },
+ "ignore": [
+ "**/.*",
+ "node_modules",
+ "bower_components",
+ "test",
+ "tests"
+ ],
+ "keywords": [
+ "layout"
+ ],
+ "license": "MIT"
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/index.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..690cd0b2612ea8ce3cfd0ff7db7d82040a54206d
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/index.js
@@ -0,0 +1,38 @@
+'use strict';
+
+let layoutBase = function(){
+ return;
+};
+
+layoutBase.FDLayout = require('./src/fd/FDLayout');
+layoutBase.FDLayoutConstants = require('./src/fd/FDLayoutConstants');
+layoutBase.FDLayoutEdge = require('./src/fd/FDLayoutEdge');
+layoutBase.FDLayoutNode = require('./src/fd/FDLayoutNode');
+layoutBase.DimensionD = require('./src/util/DimensionD');
+layoutBase.HashMap = require('./src/util/HashMap');
+layoutBase.HashSet = require('./src/util/HashSet');
+layoutBase.IGeometry = require('./src/util/IGeometry');
+layoutBase.IMath = require('./src/util/IMath');
+layoutBase.Integer = require('./src/util/Integer');
+layoutBase.Point = require('./src/util/Point');
+layoutBase.PointD = require('./src/util/PointD');
+layoutBase.RandomSeed = require('./src/util/RandomSeed');
+layoutBase.RectangleD = require('./src/util/RectangleD');
+layoutBase.Transform = require('./src/util/Transform');
+layoutBase.UniqueIDGeneretor = require('./src/util/UniqueIDGeneretor');
+layoutBase.Quicksort = require('./src/util/Quicksort');
+layoutBase.LinkedList = require('./src/util/LinkedList');
+layoutBase.LGraphObject = require('./src/LGraphObject');
+layoutBase.LGraph = require('./src/LGraph');
+layoutBase.LEdge = require('./src/LEdge');
+layoutBase.LGraphManager = require('./src/LGraphManager');
+layoutBase.LNode = require('./src/LNode');
+layoutBase.Layout = require('./src/Layout');
+layoutBase.LayoutConstants = require('./src/LayoutConstants');
+layoutBase.NeedlemanWunsch = require('./src/util/alignment/NeedlemanWunsch');
+layoutBase.Matrix = require('./src/util/Matrix');
+layoutBase.SVD = require('./src/util/SVD');
+
+module.exports = layoutBase;
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/layout-base.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/layout-base.js
new file mode 100644
index 0000000000000000000000000000000000000000..dc770574b3929c55192f1c7e098af261272cc709
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/layout-base.js
@@ -0,0 +1,5230 @@
+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory();
+ else if(typeof define === 'function' && define.amd)
+ define([], factory);
+ else if(typeof exports === 'object')
+ exports["layoutBase"] = factory();
+ else
+ root["layoutBase"] = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId]) {
+/******/ return installedModules[moduleId].exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ i: moduleId,
+/******/ l: false,
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ // Flag the module as loaded
+/******/ module.l = true;
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/******/
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+/******/
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+/******/
+/******/ // identity function for calling harmony imports with the correct context
+/******/ __webpack_require__.i = function(value) { return value; };
+/******/
+/******/ // define getter function for harmony exports
+/******/ __webpack_require__.d = function(exports, name, getter) {
+/******/ if(!__webpack_require__.o(exports, name)) {
+/******/ Object.defineProperty(exports, name, {
+/******/ configurable: false,
+/******/ enumerable: true,
+/******/ get: getter
+/******/ });
+/******/ }
+/******/ };
+/******/
+/******/ // getDefaultExport function for compatibility with non-harmony modules
+/******/ __webpack_require__.n = function(module) {
+/******/ var getter = module && module.__esModule ?
+/******/ function getDefault() { return module['default']; } :
+/******/ function getModuleExports() { return module; };
+/******/ __webpack_require__.d(getter, 'a', getter);
+/******/ return getter;
+/******/ };
+/******/
+/******/ // Object.prototype.hasOwnProperty.call
+/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "";
+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(__webpack_require__.s = 28);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function LayoutConstants() {}
+
+/**
+ * Layout Quality: 0:draft, 1:default, 2:proof
+ */
+LayoutConstants.QUALITY = 1;
+
+/**
+ * Default parameters
+ */
+LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED = false;
+LayoutConstants.DEFAULT_INCREMENTAL = false;
+LayoutConstants.DEFAULT_ANIMATION_ON_LAYOUT = true;
+LayoutConstants.DEFAULT_ANIMATION_DURING_LAYOUT = false;
+LayoutConstants.DEFAULT_ANIMATION_PERIOD = 50;
+LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES = false;
+
+// -----------------------------------------------------------------------------
+// Section: General other constants
+// -----------------------------------------------------------------------------
+/*
+ * Margins of a graph to be applied on bouding rectangle of its contents. We
+ * assume margins on all four sides to be uniform.
+ */
+LayoutConstants.DEFAULT_GRAPH_MARGIN = 15;
+
+/*
+ * Whether to consider labels in node dimensions or not
+ */
+LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = false;
+
+/*
+ * Default dimension of a non-compound node.
+ */
+LayoutConstants.SIMPLE_NODE_SIZE = 40;
+
+/*
+ * Default dimension of a non-compound node.
+ */
+LayoutConstants.SIMPLE_NODE_HALF_SIZE = LayoutConstants.SIMPLE_NODE_SIZE / 2;
+
+/*
+ * Empty compound node size. When a compound node is empty, its both
+ * dimensions should be of this value.
+ */
+LayoutConstants.EMPTY_COMPOUND_NODE_SIZE = 40;
+
+/*
+ * Minimum length that an edge should take during layout
+ */
+LayoutConstants.MIN_EDGE_LENGTH = 1;
+
+/*
+ * World boundaries that layout operates on
+ */
+LayoutConstants.WORLD_BOUNDARY = 1000000;
+
+/*
+ * World boundaries that random positioning can be performed with
+ */
+LayoutConstants.INITIAL_WORLD_BOUNDARY = LayoutConstants.WORLD_BOUNDARY / 1000;
+
+/*
+ * Coordinates of the world center
+ */
+LayoutConstants.WORLD_CENTER_X = 1200;
+LayoutConstants.WORLD_CENTER_Y = 900;
+
+module.exports = LayoutConstants;
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LGraphObject = __webpack_require__(2);
+var IGeometry = __webpack_require__(8);
+var IMath = __webpack_require__(9);
+
+function LEdge(source, target, vEdge) {
+ LGraphObject.call(this, vEdge);
+
+ this.isOverlapingSourceAndTarget = false;
+ this.vGraphObject = vEdge;
+ this.bendpoints = [];
+ this.source = source;
+ this.target = target;
+}
+
+LEdge.prototype = Object.create(LGraphObject.prototype);
+
+for (var prop in LGraphObject) {
+ LEdge[prop] = LGraphObject[prop];
+}
+
+LEdge.prototype.getSource = function () {
+ return this.source;
+};
+
+LEdge.prototype.getTarget = function () {
+ return this.target;
+};
+
+LEdge.prototype.isInterGraph = function () {
+ return this.isInterGraph;
+};
+
+LEdge.prototype.getLength = function () {
+ return this.length;
+};
+
+LEdge.prototype.isOverlapingSourceAndTarget = function () {
+ return this.isOverlapingSourceAndTarget;
+};
+
+LEdge.prototype.getBendpoints = function () {
+ return this.bendpoints;
+};
+
+LEdge.prototype.getLca = function () {
+ return this.lca;
+};
+
+LEdge.prototype.getSourceInLca = function () {
+ return this.sourceInLca;
+};
+
+LEdge.prototype.getTargetInLca = function () {
+ return this.targetInLca;
+};
+
+LEdge.prototype.getOtherEnd = function (node) {
+ if (this.source === node) {
+ return this.target;
+ } else if (this.target === node) {
+ return this.source;
+ } else {
+ throw "Node is not incident with this edge";
+ }
+};
+
+LEdge.prototype.getOtherEndInGraph = function (node, graph) {
+ var otherEnd = this.getOtherEnd(node);
+ var root = graph.getGraphManager().getRoot();
+
+ while (true) {
+ if (otherEnd.getOwner() == graph) {
+ return otherEnd;
+ }
+
+ if (otherEnd.getOwner() == root) {
+ break;
+ }
+
+ otherEnd = otherEnd.getOwner().getParent();
+ }
+
+ return null;
+};
+
+LEdge.prototype.updateLength = function () {
+ var clipPointCoordinates = new Array(4);
+
+ this.isOverlapingSourceAndTarget = IGeometry.getIntersection(this.target.getRect(), this.source.getRect(), clipPointCoordinates);
+
+ if (!this.isOverlapingSourceAndTarget) {
+ this.lengthX = clipPointCoordinates[0] - clipPointCoordinates[2];
+ this.lengthY = clipPointCoordinates[1] - clipPointCoordinates[3];
+
+ if (Math.abs(this.lengthX) < 1.0) {
+ this.lengthX = IMath.sign(this.lengthX);
+ }
+
+ if (Math.abs(this.lengthY) < 1.0) {
+ this.lengthY = IMath.sign(this.lengthY);
+ }
+
+ this.length = Math.sqrt(this.lengthX * this.lengthX + this.lengthY * this.lengthY);
+ }
+};
+
+LEdge.prototype.updateLengthSimple = function () {
+ this.lengthX = this.target.getCenterX() - this.source.getCenterX();
+ this.lengthY = this.target.getCenterY() - this.source.getCenterY();
+
+ if (Math.abs(this.lengthX) < 1.0) {
+ this.lengthX = IMath.sign(this.lengthX);
+ }
+
+ if (Math.abs(this.lengthY) < 1.0) {
+ this.lengthY = IMath.sign(this.lengthY);
+ }
+
+ this.length = Math.sqrt(this.lengthX * this.lengthX + this.lengthY * this.lengthY);
+};
+
+module.exports = LEdge;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function LGraphObject(vGraphObject) {
+ this.vGraphObject = vGraphObject;
+}
+
+module.exports = LGraphObject;
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LGraphObject = __webpack_require__(2);
+var Integer = __webpack_require__(10);
+var RectangleD = __webpack_require__(13);
+var LayoutConstants = __webpack_require__(0);
+var RandomSeed = __webpack_require__(16);
+var PointD = __webpack_require__(5);
+
+function LNode(gm, loc, size, vNode) {
+ //Alternative constructor 1 : LNode(LGraphManager gm, Point loc, Dimension size, Object vNode)
+ if (size == null && vNode == null) {
+ vNode = loc;
+ }
+
+ LGraphObject.call(this, vNode);
+
+ //Alternative constructor 2 : LNode(Layout layout, Object vNode)
+ if (gm.graphManager != null) gm = gm.graphManager;
+
+ this.estimatedSize = Integer.MIN_VALUE;
+ this.inclusionTreeDepth = Integer.MAX_VALUE;
+ this.vGraphObject = vNode;
+ this.edges = [];
+ this.graphManager = gm;
+
+ if (size != null && loc != null) this.rect = new RectangleD(loc.x, loc.y, size.width, size.height);else this.rect = new RectangleD();
+}
+
+LNode.prototype = Object.create(LGraphObject.prototype);
+for (var prop in LGraphObject) {
+ LNode[prop] = LGraphObject[prop];
+}
+
+LNode.prototype.getEdges = function () {
+ return this.edges;
+};
+
+LNode.prototype.getChild = function () {
+ return this.child;
+};
+
+LNode.prototype.getOwner = function () {
+ // if (this.owner != null) {
+ // if (!(this.owner == null || this.owner.getNodes().indexOf(this) > -1)) {
+ // throw "assert failed";
+ // }
+ // }
+
+ return this.owner;
+};
+
+LNode.prototype.getWidth = function () {
+ return this.rect.width;
+};
+
+LNode.prototype.setWidth = function (width) {
+ this.rect.width = width;
+};
+
+LNode.prototype.getHeight = function () {
+ return this.rect.height;
+};
+
+LNode.prototype.setHeight = function (height) {
+ this.rect.height = height;
+};
+
+LNode.prototype.getCenterX = function () {
+ return this.rect.x + this.rect.width / 2;
+};
+
+LNode.prototype.getCenterY = function () {
+ return this.rect.y + this.rect.height / 2;
+};
+
+LNode.prototype.getCenter = function () {
+ return new PointD(this.rect.x + this.rect.width / 2, this.rect.y + this.rect.height / 2);
+};
+
+LNode.prototype.getLocation = function () {
+ return new PointD(this.rect.x, this.rect.y);
+};
+
+LNode.prototype.getRect = function () {
+ return this.rect;
+};
+
+LNode.prototype.getDiagonal = function () {
+ return Math.sqrt(this.rect.width * this.rect.width + this.rect.height * this.rect.height);
+};
+
+/**
+ * This method returns half the diagonal length of this node.
+ */
+LNode.prototype.getHalfTheDiagonal = function () {
+ return Math.sqrt(this.rect.height * this.rect.height + this.rect.width * this.rect.width) / 2;
+};
+
+LNode.prototype.setRect = function (upperLeft, dimension) {
+ this.rect.x = upperLeft.x;
+ this.rect.y = upperLeft.y;
+ this.rect.width = dimension.width;
+ this.rect.height = dimension.height;
+};
+
+LNode.prototype.setCenter = function (cx, cy) {
+ this.rect.x = cx - this.rect.width / 2;
+ this.rect.y = cy - this.rect.height / 2;
+};
+
+LNode.prototype.setLocation = function (x, y) {
+ this.rect.x = x;
+ this.rect.y = y;
+};
+
+LNode.prototype.moveBy = function (dx, dy) {
+ this.rect.x += dx;
+ this.rect.y += dy;
+};
+
+LNode.prototype.getEdgeListToNode = function (to) {
+ var edgeList = [];
+ var edge;
+ var self = this;
+
+ self.edges.forEach(function (edge) {
+
+ if (edge.target == to) {
+ if (edge.source != self) throw "Incorrect edge source!";
+
+ edgeList.push(edge);
+ }
+ });
+
+ return edgeList;
+};
+
+LNode.prototype.getEdgesBetween = function (other) {
+ var edgeList = [];
+ var edge;
+
+ var self = this;
+ self.edges.forEach(function (edge) {
+
+ if (!(edge.source == self || edge.target == self)) throw "Incorrect edge source and/or target";
+
+ if (edge.target == other || edge.source == other) {
+ edgeList.push(edge);
+ }
+ });
+
+ return edgeList;
+};
+
+LNode.prototype.getNeighborsList = function () {
+ var neighbors = new Set();
+
+ var self = this;
+ self.edges.forEach(function (edge) {
+
+ if (edge.source == self) {
+ neighbors.add(edge.target);
+ } else {
+ if (edge.target != self) {
+ throw "Incorrect incidency!";
+ }
+
+ neighbors.add(edge.source);
+ }
+ });
+
+ return neighbors;
+};
+
+LNode.prototype.withChildren = function () {
+ var withNeighborsList = new Set();
+ var childNode;
+ var children;
+
+ withNeighborsList.add(this);
+
+ if (this.child != null) {
+ var nodes = this.child.getNodes();
+ for (var i = 0; i < nodes.length; i++) {
+ childNode = nodes[i];
+ children = childNode.withChildren();
+ children.forEach(function (node) {
+ withNeighborsList.add(node);
+ });
+ }
+ }
+
+ return withNeighborsList;
+};
+
+LNode.prototype.getNoOfChildren = function () {
+ var noOfChildren = 0;
+ var childNode;
+
+ if (this.child == null) {
+ noOfChildren = 1;
+ } else {
+ var nodes = this.child.getNodes();
+ for (var i = 0; i < nodes.length; i++) {
+ childNode = nodes[i];
+
+ noOfChildren += childNode.getNoOfChildren();
+ }
+ }
+
+ if (noOfChildren == 0) {
+ noOfChildren = 1;
+ }
+ return noOfChildren;
+};
+
+LNode.prototype.getEstimatedSize = function () {
+ if (this.estimatedSize == Integer.MIN_VALUE) {
+ throw "assert failed";
+ }
+ return this.estimatedSize;
+};
+
+LNode.prototype.calcEstimatedSize = function () {
+ if (this.child == null) {
+ return this.estimatedSize = (this.rect.width + this.rect.height) / 2;
+ } else {
+ this.estimatedSize = this.child.calcEstimatedSize();
+ this.rect.width = this.estimatedSize;
+ this.rect.height = this.estimatedSize;
+
+ return this.estimatedSize;
+ }
+};
+
+LNode.prototype.scatter = function () {
+ var randomCenterX;
+ var randomCenterY;
+
+ var minX = -LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ var maxX = LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ randomCenterX = LayoutConstants.WORLD_CENTER_X + RandomSeed.nextDouble() * (maxX - minX) + minX;
+
+ var minY = -LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ var maxY = LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ randomCenterY = LayoutConstants.WORLD_CENTER_Y + RandomSeed.nextDouble() * (maxY - minY) + minY;
+
+ this.rect.x = randomCenterX;
+ this.rect.y = randomCenterY;
+};
+
+LNode.prototype.updateBounds = function () {
+ if (this.getChild() == null) {
+ throw "assert failed";
+ }
+ if (this.getChild().getNodes().length != 0) {
+ // wrap the children nodes by re-arranging the boundaries
+ var childGraph = this.getChild();
+ childGraph.updateBounds(true);
+
+ this.rect.x = childGraph.getLeft();
+ this.rect.y = childGraph.getTop();
+
+ this.setWidth(childGraph.getRight() - childGraph.getLeft());
+ this.setHeight(childGraph.getBottom() - childGraph.getTop());
+
+ // Update compound bounds considering its label properties
+ if (LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS) {
+
+ var width = childGraph.getRight() - childGraph.getLeft();
+ var height = childGraph.getBottom() - childGraph.getTop();
+
+ if (this.labelWidth) {
+ if (this.labelPosHorizontal == "left") {
+ this.rect.x -= this.labelWidth;
+ this.setWidth(width + this.labelWidth);
+ } else if (this.labelPosHorizontal == "center" && this.labelWidth > width) {
+ this.rect.x -= (this.labelWidth - width) / 2;
+ this.setWidth(this.labelWidth);
+ } else if (this.labelPosHorizontal == "right") {
+ this.setWidth(width + this.labelWidth);
+ }
+ }
+
+ if (this.labelHeight) {
+ if (this.labelPosVertical == "top") {
+ this.rect.y -= this.labelHeight;
+ this.setHeight(height + this.labelHeight);
+ } else if (this.labelPosVertical == "center" && this.labelHeight > height) {
+ this.rect.y -= (this.labelHeight - height) / 2;
+ this.setHeight(this.labelHeight);
+ } else if (this.labelPosVertical == "bottom") {
+ this.setHeight(height + this.labelHeight);
+ }
+ }
+ }
+ }
+};
+
+LNode.prototype.getInclusionTreeDepth = function () {
+ if (this.inclusionTreeDepth == Integer.MAX_VALUE) {
+ throw "assert failed";
+ }
+ return this.inclusionTreeDepth;
+};
+
+LNode.prototype.transform = function (trans) {
+ var left = this.rect.x;
+
+ if (left > LayoutConstants.WORLD_BOUNDARY) {
+ left = LayoutConstants.WORLD_BOUNDARY;
+ } else if (left < -LayoutConstants.WORLD_BOUNDARY) {
+ left = -LayoutConstants.WORLD_BOUNDARY;
+ }
+
+ var top = this.rect.y;
+
+ if (top > LayoutConstants.WORLD_BOUNDARY) {
+ top = LayoutConstants.WORLD_BOUNDARY;
+ } else if (top < -LayoutConstants.WORLD_BOUNDARY) {
+ top = -LayoutConstants.WORLD_BOUNDARY;
+ }
+
+ var leftTop = new PointD(left, top);
+ var vLeftTop = trans.inverseTransformPoint(leftTop);
+
+ this.setLocation(vLeftTop.x, vLeftTop.y);
+};
+
+LNode.prototype.getLeft = function () {
+ return this.rect.x;
+};
+
+LNode.prototype.getRight = function () {
+ return this.rect.x + this.rect.width;
+};
+
+LNode.prototype.getTop = function () {
+ return this.rect.y;
+};
+
+LNode.prototype.getBottom = function () {
+ return this.rect.y + this.rect.height;
+};
+
+LNode.prototype.getParent = function () {
+ if (this.owner == null) {
+ return null;
+ }
+
+ return this.owner.getParent();
+};
+
+module.exports = LNode;
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LayoutConstants = __webpack_require__(0);
+
+function FDLayoutConstants() {}
+
+//FDLayoutConstants inherits static props in LayoutConstants
+for (var prop in LayoutConstants) {
+ FDLayoutConstants[prop] = LayoutConstants[prop];
+}
+
+FDLayoutConstants.MAX_ITERATIONS = 2500;
+
+FDLayoutConstants.DEFAULT_EDGE_LENGTH = 50;
+FDLayoutConstants.DEFAULT_SPRING_STRENGTH = 0.45;
+FDLayoutConstants.DEFAULT_REPULSION_STRENGTH = 4500.0;
+FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH = 0.4;
+FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = 1.0;
+FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR = 3.8;
+FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = 1.5;
+FDLayoutConstants.DEFAULT_USE_SMART_IDEAL_EDGE_LENGTH_CALCULATION = true;
+FDLayoutConstants.DEFAULT_USE_SMART_REPULSION_RANGE_CALCULATION = true;
+FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = 0.3;
+FDLayoutConstants.COOLING_ADAPTATION_FACTOR = 0.33;
+FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT = 1000;
+FDLayoutConstants.ADAPTATION_UPPER_NODE_LIMIT = 5000;
+FDLayoutConstants.MAX_NODE_DISPLACEMENT_INCREMENTAL = 100.0;
+FDLayoutConstants.MAX_NODE_DISPLACEMENT = FDLayoutConstants.MAX_NODE_DISPLACEMENT_INCREMENTAL * 3;
+FDLayoutConstants.MIN_REPULSION_DIST = FDLayoutConstants.DEFAULT_EDGE_LENGTH / 10.0;
+FDLayoutConstants.CONVERGENCE_CHECK_PERIOD = 100;
+FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = 0.1;
+FDLayoutConstants.MIN_EDGE_LENGTH = 1;
+FDLayoutConstants.GRID_CALCULATION_CHECK_PERIOD = 10;
+
+module.exports = FDLayoutConstants;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function PointD(x, y) {
+ if (x == null && y == null) {
+ this.x = 0;
+ this.y = 0;
+ } else {
+ this.x = x;
+ this.y = y;
+ }
+}
+
+PointD.prototype.getX = function () {
+ return this.x;
+};
+
+PointD.prototype.getY = function () {
+ return this.y;
+};
+
+PointD.prototype.setX = function (x) {
+ this.x = x;
+};
+
+PointD.prototype.setY = function (y) {
+ this.y = y;
+};
+
+PointD.prototype.getDifference = function (pt) {
+ return new DimensionD(this.x - pt.x, this.y - pt.y);
+};
+
+PointD.prototype.getCopy = function () {
+ return new PointD(this.x, this.y);
+};
+
+PointD.prototype.translate = function (dim) {
+ this.x += dim.width;
+ this.y += dim.height;
+ return this;
+};
+
+module.exports = PointD;
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LGraphObject = __webpack_require__(2);
+var Integer = __webpack_require__(10);
+var LayoutConstants = __webpack_require__(0);
+var LGraphManager = __webpack_require__(7);
+var LNode = __webpack_require__(3);
+var LEdge = __webpack_require__(1);
+var RectangleD = __webpack_require__(13);
+var Point = __webpack_require__(12);
+var LinkedList = __webpack_require__(11);
+
+function LGraph(parent, obj2, vGraph) {
+ LGraphObject.call(this, vGraph);
+ this.estimatedSize = Integer.MIN_VALUE;
+ this.margin = LayoutConstants.DEFAULT_GRAPH_MARGIN;
+ this.edges = [];
+ this.nodes = [];
+ this.isConnected = false;
+ this.parent = parent;
+
+ if (obj2 != null && obj2 instanceof LGraphManager) {
+ this.graphManager = obj2;
+ } else if (obj2 != null && obj2 instanceof Layout) {
+ this.graphManager = obj2.graphManager;
+ }
+}
+
+LGraph.prototype = Object.create(LGraphObject.prototype);
+for (var prop in LGraphObject) {
+ LGraph[prop] = LGraphObject[prop];
+}
+
+LGraph.prototype.getNodes = function () {
+ return this.nodes;
+};
+
+LGraph.prototype.getEdges = function () {
+ return this.edges;
+};
+
+LGraph.prototype.getGraphManager = function () {
+ return this.graphManager;
+};
+
+LGraph.prototype.getParent = function () {
+ return this.parent;
+};
+
+LGraph.prototype.getLeft = function () {
+ return this.left;
+};
+
+LGraph.prototype.getRight = function () {
+ return this.right;
+};
+
+LGraph.prototype.getTop = function () {
+ return this.top;
+};
+
+LGraph.prototype.getBottom = function () {
+ return this.bottom;
+};
+
+LGraph.prototype.isConnected = function () {
+ return this.isConnected;
+};
+
+LGraph.prototype.add = function (obj1, sourceNode, targetNode) {
+ if (sourceNode == null && targetNode == null) {
+ var newNode = obj1;
+ if (this.graphManager == null) {
+ throw "Graph has no graph mgr!";
+ }
+ if (this.getNodes().indexOf(newNode) > -1) {
+ throw "Node already in graph!";
+ }
+ newNode.owner = this;
+ this.getNodes().push(newNode);
+
+ return newNode;
+ } else {
+ var newEdge = obj1;
+ if (!(this.getNodes().indexOf(sourceNode) > -1 && this.getNodes().indexOf(targetNode) > -1)) {
+ throw "Source or target not in graph!";
+ }
+
+ if (!(sourceNode.owner == targetNode.owner && sourceNode.owner == this)) {
+ throw "Both owners must be this graph!";
+ }
+
+ if (sourceNode.owner != targetNode.owner) {
+ return null;
+ }
+
+ // set source and target
+ newEdge.source = sourceNode;
+ newEdge.target = targetNode;
+
+ // set as intra-graph edge
+ newEdge.isInterGraph = false;
+
+ // add to graph edge list
+ this.getEdges().push(newEdge);
+
+ // add to incidency lists
+ sourceNode.edges.push(newEdge);
+
+ if (targetNode != sourceNode) {
+ targetNode.edges.push(newEdge);
+ }
+
+ return newEdge;
+ }
+};
+
+LGraph.prototype.remove = function (obj) {
+ var node = obj;
+ if (obj instanceof LNode) {
+ if (node == null) {
+ throw "Node is null!";
+ }
+ if (!(node.owner != null && node.owner == this)) {
+ throw "Owner graph is invalid!";
+ }
+ if (this.graphManager == null) {
+ throw "Owner graph manager is invalid!";
+ }
+ // remove incident edges first (make a copy to do it safely)
+ var edgesToBeRemoved = node.edges.slice();
+ var edge;
+ var s = edgesToBeRemoved.length;
+ for (var i = 0; i < s; i++) {
+ edge = edgesToBeRemoved[i];
+
+ if (edge.isInterGraph) {
+ this.graphManager.remove(edge);
+ } else {
+ edge.source.owner.remove(edge);
+ }
+ }
+
+ // now the node itself
+ var index = this.nodes.indexOf(node);
+ if (index == -1) {
+ throw "Node not in owner node list!";
+ }
+
+ this.nodes.splice(index, 1);
+ } else if (obj instanceof LEdge) {
+ var edge = obj;
+ if (edge == null) {
+ throw "Edge is null!";
+ }
+ if (!(edge.source != null && edge.target != null)) {
+ throw "Source and/or target is null!";
+ }
+ if (!(edge.source.owner != null && edge.target.owner != null && edge.source.owner == this && edge.target.owner == this)) {
+ throw "Source and/or target owner is invalid!";
+ }
+
+ var sourceIndex = edge.source.edges.indexOf(edge);
+ var targetIndex = edge.target.edges.indexOf(edge);
+ if (!(sourceIndex > -1 && targetIndex > -1)) {
+ throw "Source and/or target doesn't know this edge!";
+ }
+
+ edge.source.edges.splice(sourceIndex, 1);
+
+ if (edge.target != edge.source) {
+ edge.target.edges.splice(targetIndex, 1);
+ }
+
+ var index = edge.source.owner.getEdges().indexOf(edge);
+ if (index == -1) {
+ throw "Not in owner's edge list!";
+ }
+
+ edge.source.owner.getEdges().splice(index, 1);
+ }
+};
+
+LGraph.prototype.updateLeftTop = function () {
+ var top = Integer.MAX_VALUE;
+ var left = Integer.MAX_VALUE;
+ var nodeTop;
+ var nodeLeft;
+ var margin;
+
+ var nodes = this.getNodes();
+ var s = nodes.length;
+
+ for (var i = 0; i < s; i++) {
+ var lNode = nodes[i];
+ nodeTop = lNode.getTop();
+ nodeLeft = lNode.getLeft();
+
+ if (top > nodeTop) {
+ top = nodeTop;
+ }
+
+ if (left > nodeLeft) {
+ left = nodeLeft;
+ }
+ }
+
+ // Do we have any nodes in this graph?
+ if (top == Integer.MAX_VALUE) {
+ return null;
+ }
+
+ if (nodes[0].getParent().paddingLeft != undefined) {
+ margin = nodes[0].getParent().paddingLeft;
+ } else {
+ margin = this.margin;
+ }
+
+ this.left = left - margin;
+ this.top = top - margin;
+
+ // Apply the margins and return the result
+ return new Point(this.left, this.top);
+};
+
+LGraph.prototype.updateBounds = function (recursive) {
+ // calculate bounds
+ var left = Integer.MAX_VALUE;
+ var right = -Integer.MAX_VALUE;
+ var top = Integer.MAX_VALUE;
+ var bottom = -Integer.MAX_VALUE;
+ var nodeLeft;
+ var nodeRight;
+ var nodeTop;
+ var nodeBottom;
+ var margin;
+
+ var nodes = this.nodes;
+ var s = nodes.length;
+ for (var i = 0; i < s; i++) {
+ var lNode = nodes[i];
+
+ if (recursive && lNode.child != null) {
+ lNode.updateBounds();
+ }
+ nodeLeft = lNode.getLeft();
+ nodeRight = lNode.getRight();
+ nodeTop = lNode.getTop();
+ nodeBottom = lNode.getBottom();
+
+ if (left > nodeLeft) {
+ left = nodeLeft;
+ }
+
+ if (right < nodeRight) {
+ right = nodeRight;
+ }
+
+ if (top > nodeTop) {
+ top = nodeTop;
+ }
+
+ if (bottom < nodeBottom) {
+ bottom = nodeBottom;
+ }
+ }
+
+ var boundingRect = new RectangleD(left, top, right - left, bottom - top);
+ if (left == Integer.MAX_VALUE) {
+ this.left = this.parent.getLeft();
+ this.right = this.parent.getRight();
+ this.top = this.parent.getTop();
+ this.bottom = this.parent.getBottom();
+ }
+
+ if (nodes[0].getParent().paddingLeft != undefined) {
+ margin = nodes[0].getParent().paddingLeft;
+ } else {
+ margin = this.margin;
+ }
+
+ this.left = boundingRect.x - margin;
+ this.right = boundingRect.x + boundingRect.width + margin;
+ this.top = boundingRect.y - margin;
+ this.bottom = boundingRect.y + boundingRect.height + margin;
+};
+
+LGraph.calculateBounds = function (nodes) {
+ var left = Integer.MAX_VALUE;
+ var right = -Integer.MAX_VALUE;
+ var top = Integer.MAX_VALUE;
+ var bottom = -Integer.MAX_VALUE;
+ var nodeLeft;
+ var nodeRight;
+ var nodeTop;
+ var nodeBottom;
+
+ var s = nodes.length;
+
+ for (var i = 0; i < s; i++) {
+ var lNode = nodes[i];
+ nodeLeft = lNode.getLeft();
+ nodeRight = lNode.getRight();
+ nodeTop = lNode.getTop();
+ nodeBottom = lNode.getBottom();
+
+ if (left > nodeLeft) {
+ left = nodeLeft;
+ }
+
+ if (right < nodeRight) {
+ right = nodeRight;
+ }
+
+ if (top > nodeTop) {
+ top = nodeTop;
+ }
+
+ if (bottom < nodeBottom) {
+ bottom = nodeBottom;
+ }
+ }
+
+ var boundingRect = new RectangleD(left, top, right - left, bottom - top);
+
+ return boundingRect;
+};
+
+LGraph.prototype.getInclusionTreeDepth = function () {
+ if (this == this.graphManager.getRoot()) {
+ return 1;
+ } else {
+ return this.parent.getInclusionTreeDepth();
+ }
+};
+
+LGraph.prototype.getEstimatedSize = function () {
+ if (this.estimatedSize == Integer.MIN_VALUE) {
+ throw "assert failed";
+ }
+ return this.estimatedSize;
+};
+
+LGraph.prototype.calcEstimatedSize = function () {
+ var size = 0;
+ var nodes = this.nodes;
+ var s = nodes.length;
+
+ for (var i = 0; i < s; i++) {
+ var lNode = nodes[i];
+ size += lNode.calcEstimatedSize();
+ }
+
+ if (size == 0) {
+ this.estimatedSize = LayoutConstants.EMPTY_COMPOUND_NODE_SIZE;
+ } else {
+ this.estimatedSize = size / Math.sqrt(this.nodes.length);
+ }
+
+ return this.estimatedSize;
+};
+
+LGraph.prototype.updateConnected = function () {
+ var self = this;
+ if (this.nodes.length == 0) {
+ this.isConnected = true;
+ return;
+ }
+
+ var queue = new LinkedList();
+ var visited = new Set();
+ var currentNode = this.nodes[0];
+ var neighborEdges;
+ var currentNeighbor;
+ var childrenOfNode = currentNode.withChildren();
+ childrenOfNode.forEach(function (node) {
+ queue.push(node);
+ visited.add(node);
+ });
+
+ while (queue.length !== 0) {
+ currentNode = queue.shift();
+
+ // Traverse all neighbors of this node
+ neighborEdges = currentNode.getEdges();
+ var size = neighborEdges.length;
+ for (var i = 0; i < size; i++) {
+ var neighborEdge = neighborEdges[i];
+ currentNeighbor = neighborEdge.getOtherEndInGraph(currentNode, this);
+
+ // Add unvisited neighbors to the list to visit
+ if (currentNeighbor != null && !visited.has(currentNeighbor)) {
+ var childrenOfNeighbor = currentNeighbor.withChildren();
+
+ childrenOfNeighbor.forEach(function (node) {
+ queue.push(node);
+ visited.add(node);
+ });
+ }
+ }
+ }
+
+ this.isConnected = false;
+
+ if (visited.size >= this.nodes.length) {
+ var noOfVisitedInThisGraph = 0;
+
+ visited.forEach(function (visitedNode) {
+ if (visitedNode.owner == self) {
+ noOfVisitedInThisGraph++;
+ }
+ });
+
+ if (noOfVisitedInThisGraph == this.nodes.length) {
+ this.isConnected = true;
+ }
+ }
+};
+
+module.exports = LGraph;
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LGraph;
+var LEdge = __webpack_require__(1);
+
+function LGraphManager(layout) {
+ LGraph = __webpack_require__(6); // It may be better to initilize this out of this function but it gives an error (Right-hand side of 'instanceof' is not callable) now.
+ this.layout = layout;
+
+ this.graphs = [];
+ this.edges = [];
+}
+
+LGraphManager.prototype.addRoot = function () {
+ var ngraph = this.layout.newGraph();
+ var nnode = this.layout.newNode(null);
+ var root = this.add(ngraph, nnode);
+ this.setRootGraph(root);
+ return this.rootGraph;
+};
+
+LGraphManager.prototype.add = function (newGraph, parentNode, newEdge, sourceNode, targetNode) {
+ //there are just 2 parameters are passed then it adds an LGraph else it adds an LEdge
+ if (newEdge == null && sourceNode == null && targetNode == null) {
+ if (newGraph == null) {
+ throw "Graph is null!";
+ }
+ if (parentNode == null) {
+ throw "Parent node is null!";
+ }
+ if (this.graphs.indexOf(newGraph) > -1) {
+ throw "Graph already in this graph mgr!";
+ }
+
+ this.graphs.push(newGraph);
+
+ if (newGraph.parent != null) {
+ throw "Already has a parent!";
+ }
+ if (parentNode.child != null) {
+ throw "Already has a child!";
+ }
+
+ newGraph.parent = parentNode;
+ parentNode.child = newGraph;
+
+ return newGraph;
+ } else {
+ //change the order of the parameters
+ targetNode = newEdge;
+ sourceNode = parentNode;
+ newEdge = newGraph;
+ var sourceGraph = sourceNode.getOwner();
+ var targetGraph = targetNode.getOwner();
+
+ if (!(sourceGraph != null && sourceGraph.getGraphManager() == this)) {
+ throw "Source not in this graph mgr!";
+ }
+ if (!(targetGraph != null && targetGraph.getGraphManager() == this)) {
+ throw "Target not in this graph mgr!";
+ }
+
+ if (sourceGraph == targetGraph) {
+ newEdge.isInterGraph = false;
+ return sourceGraph.add(newEdge, sourceNode, targetNode);
+ } else {
+ newEdge.isInterGraph = true;
+
+ // set source and target
+ newEdge.source = sourceNode;
+ newEdge.target = targetNode;
+
+ // add edge to inter-graph edge list
+ if (this.edges.indexOf(newEdge) > -1) {
+ throw "Edge already in inter-graph edge list!";
+ }
+
+ this.edges.push(newEdge);
+
+ // add edge to source and target incidency lists
+ if (!(newEdge.source != null && newEdge.target != null)) {
+ throw "Edge source and/or target is null!";
+ }
+
+ if (!(newEdge.source.edges.indexOf(newEdge) == -1 && newEdge.target.edges.indexOf(newEdge) == -1)) {
+ throw "Edge already in source and/or target incidency list!";
+ }
+
+ newEdge.source.edges.push(newEdge);
+ newEdge.target.edges.push(newEdge);
+
+ return newEdge;
+ }
+ }
+};
+
+LGraphManager.prototype.remove = function (lObj) {
+ if (lObj instanceof LGraph) {
+ var graph = lObj;
+ if (graph.getGraphManager() != this) {
+ throw "Graph not in this graph mgr";
+ }
+ if (!(graph == this.rootGraph || graph.parent != null && graph.parent.graphManager == this)) {
+ throw "Invalid parent node!";
+ }
+
+ // first the edges (make a copy to do it safely)
+ var edgesToBeRemoved = [];
+
+ edgesToBeRemoved = edgesToBeRemoved.concat(graph.getEdges());
+
+ var edge;
+ var s = edgesToBeRemoved.length;
+ for (var i = 0; i < s; i++) {
+ edge = edgesToBeRemoved[i];
+ graph.remove(edge);
+ }
+
+ // then the nodes (make a copy to do it safely)
+ var nodesToBeRemoved = [];
+
+ nodesToBeRemoved = nodesToBeRemoved.concat(graph.getNodes());
+
+ var node;
+ s = nodesToBeRemoved.length;
+ for (var i = 0; i < s; i++) {
+ node = nodesToBeRemoved[i];
+ graph.remove(node);
+ }
+
+ // check if graph is the root
+ if (graph == this.rootGraph) {
+ this.setRootGraph(null);
+ }
+
+ // now remove the graph itself
+ var index = this.graphs.indexOf(graph);
+ this.graphs.splice(index, 1);
+
+ // also reset the parent of the graph
+ graph.parent = null;
+ } else if (lObj instanceof LEdge) {
+ edge = lObj;
+ if (edge == null) {
+ throw "Edge is null!";
+ }
+ if (!edge.isInterGraph) {
+ throw "Not an inter-graph edge!";
+ }
+ if (!(edge.source != null && edge.target != null)) {
+ throw "Source and/or target is null!";
+ }
+
+ // remove edge from source and target nodes' incidency lists
+
+ if (!(edge.source.edges.indexOf(edge) != -1 && edge.target.edges.indexOf(edge) != -1)) {
+ throw "Source and/or target doesn't know this edge!";
+ }
+
+ var index = edge.source.edges.indexOf(edge);
+ edge.source.edges.splice(index, 1);
+ index = edge.target.edges.indexOf(edge);
+ edge.target.edges.splice(index, 1);
+
+ // remove edge from owner graph manager's inter-graph edge list
+
+ if (!(edge.source.owner != null && edge.source.owner.getGraphManager() != null)) {
+ throw "Edge owner graph or owner graph manager is null!";
+ }
+ if (edge.source.owner.getGraphManager().edges.indexOf(edge) == -1) {
+ throw "Not in owner graph manager's edge list!";
+ }
+
+ var index = edge.source.owner.getGraphManager().edges.indexOf(edge);
+ edge.source.owner.getGraphManager().edges.splice(index, 1);
+ }
+};
+
+LGraphManager.prototype.updateBounds = function () {
+ this.rootGraph.updateBounds(true);
+};
+
+LGraphManager.prototype.getGraphs = function () {
+ return this.graphs;
+};
+
+LGraphManager.prototype.getAllNodes = function () {
+ if (this.allNodes == null) {
+ var nodeList = [];
+ var graphs = this.getGraphs();
+ var s = graphs.length;
+ for (var i = 0; i < s; i++) {
+ nodeList = nodeList.concat(graphs[i].getNodes());
+ }
+ this.allNodes = nodeList;
+ }
+ return this.allNodes;
+};
+
+LGraphManager.prototype.resetAllNodes = function () {
+ this.allNodes = null;
+};
+
+LGraphManager.prototype.resetAllEdges = function () {
+ this.allEdges = null;
+};
+
+LGraphManager.prototype.resetAllNodesToApplyGravitation = function () {
+ this.allNodesToApplyGravitation = null;
+};
+
+LGraphManager.prototype.getAllEdges = function () {
+ if (this.allEdges == null) {
+ var edgeList = [];
+ var graphs = this.getGraphs();
+ var s = graphs.length;
+ for (var i = 0; i < graphs.length; i++) {
+ edgeList = edgeList.concat(graphs[i].getEdges());
+ }
+
+ edgeList = edgeList.concat(this.edges);
+
+ this.allEdges = edgeList;
+ }
+ return this.allEdges;
+};
+
+LGraphManager.prototype.getAllNodesToApplyGravitation = function () {
+ return this.allNodesToApplyGravitation;
+};
+
+LGraphManager.prototype.setAllNodesToApplyGravitation = function (nodeList) {
+ if (this.allNodesToApplyGravitation != null) {
+ throw "assert failed";
+ }
+
+ this.allNodesToApplyGravitation = nodeList;
+};
+
+LGraphManager.prototype.getRoot = function () {
+ return this.rootGraph;
+};
+
+LGraphManager.prototype.setRootGraph = function (graph) {
+ if (graph.getGraphManager() != this) {
+ throw "Root not in this graph mgr!";
+ }
+
+ this.rootGraph = graph;
+ // root graph must have a root node associated with it for convenience
+ if (graph.parent == null) {
+ graph.parent = this.layout.newNode("Root node");
+ }
+};
+
+LGraphManager.prototype.getLayout = function () {
+ return this.layout;
+};
+
+LGraphManager.prototype.isOneAncestorOfOther = function (firstNode, secondNode) {
+ if (!(firstNode != null && secondNode != null)) {
+ throw "assert failed";
+ }
+
+ if (firstNode == secondNode) {
+ return true;
+ }
+ // Is second node an ancestor of the first one?
+ var ownerGraph = firstNode.getOwner();
+ var parentNode;
+
+ do {
+ parentNode = ownerGraph.getParent();
+
+ if (parentNode == null) {
+ break;
+ }
+
+ if (parentNode == secondNode) {
+ return true;
+ }
+
+ ownerGraph = parentNode.getOwner();
+ if (ownerGraph == null) {
+ break;
+ }
+ } while (true);
+ // Is first node an ancestor of the second one?
+ ownerGraph = secondNode.getOwner();
+
+ do {
+ parentNode = ownerGraph.getParent();
+
+ if (parentNode == null) {
+ break;
+ }
+
+ if (parentNode == firstNode) {
+ return true;
+ }
+
+ ownerGraph = parentNode.getOwner();
+ if (ownerGraph == null) {
+ break;
+ }
+ } while (true);
+
+ return false;
+};
+
+LGraphManager.prototype.calcLowestCommonAncestors = function () {
+ var edge;
+ var sourceNode;
+ var targetNode;
+ var sourceAncestorGraph;
+ var targetAncestorGraph;
+
+ var edges = this.getAllEdges();
+ var s = edges.length;
+ for (var i = 0; i < s; i++) {
+ edge = edges[i];
+
+ sourceNode = edge.source;
+ targetNode = edge.target;
+ edge.lca = null;
+ edge.sourceInLca = sourceNode;
+ edge.targetInLca = targetNode;
+
+ if (sourceNode == targetNode) {
+ edge.lca = sourceNode.getOwner();
+ continue;
+ }
+
+ sourceAncestorGraph = sourceNode.getOwner();
+
+ while (edge.lca == null) {
+ edge.targetInLca = targetNode;
+ targetAncestorGraph = targetNode.getOwner();
+
+ while (edge.lca == null) {
+ if (targetAncestorGraph == sourceAncestorGraph) {
+ edge.lca = targetAncestorGraph;
+ break;
+ }
+
+ if (targetAncestorGraph == this.rootGraph) {
+ break;
+ }
+
+ if (edge.lca != null) {
+ throw "assert failed";
+ }
+ edge.targetInLca = targetAncestorGraph.getParent();
+ targetAncestorGraph = edge.targetInLca.getOwner();
+ }
+
+ if (sourceAncestorGraph == this.rootGraph) {
+ break;
+ }
+
+ if (edge.lca == null) {
+ edge.sourceInLca = sourceAncestorGraph.getParent();
+ sourceAncestorGraph = edge.sourceInLca.getOwner();
+ }
+ }
+
+ if (edge.lca == null) {
+ throw "assert failed";
+ }
+ }
+};
+
+LGraphManager.prototype.calcLowestCommonAncestor = function (firstNode, secondNode) {
+ if (firstNode == secondNode) {
+ return firstNode.getOwner();
+ }
+ var firstOwnerGraph = firstNode.getOwner();
+
+ do {
+ if (firstOwnerGraph == null) {
+ break;
+ }
+ var secondOwnerGraph = secondNode.getOwner();
+
+ do {
+ if (secondOwnerGraph == null) {
+ break;
+ }
+
+ if (secondOwnerGraph == firstOwnerGraph) {
+ return secondOwnerGraph;
+ }
+ secondOwnerGraph = secondOwnerGraph.getParent().getOwner();
+ } while (true);
+
+ firstOwnerGraph = firstOwnerGraph.getParent().getOwner();
+ } while (true);
+
+ return firstOwnerGraph;
+};
+
+LGraphManager.prototype.calcInclusionTreeDepths = function (graph, depth) {
+ if (graph == null && depth == null) {
+ graph = this.rootGraph;
+ depth = 1;
+ }
+ var node;
+
+ var nodes = graph.getNodes();
+ var s = nodes.length;
+ for (var i = 0; i < s; i++) {
+ node = nodes[i];
+ node.inclusionTreeDepth = depth;
+
+ if (node.child != null) {
+ this.calcInclusionTreeDepths(node.child, depth + 1);
+ }
+ }
+};
+
+LGraphManager.prototype.includesInvalidEdge = function () {
+ var edge;
+ var edgesToRemove = [];
+
+ var s = this.edges.length;
+ for (var i = 0; i < s; i++) {
+ edge = this.edges[i];
+
+ if (this.isOneAncestorOfOther(edge.source, edge.target)) {
+ edgesToRemove.push(edge);
+ }
+ }
+
+ // Remove invalid edges from graph manager
+ for (var i = 0; i < edgesToRemove.length; i++) {
+ this.remove(edgesToRemove[i]);
+ }
+
+ // Invalid edges are cleared, so return false
+ return false;
+};
+
+module.exports = LGraphManager;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+/**
+ * This class maintains a list of static geometry related utility methods.
+ *
+ *
+ * Copyright: i-Vis Research Group, Bilkent University, 2007 - present
+ */
+
+var Point = __webpack_require__(12);
+
+function IGeometry() {}
+
+/**
+ * This method calculates *half* the amount in x and y directions of the two
+ * input rectangles needed to separate them keeping their respective
+ * positioning, and returns the result in the input array. An input
+ * separation buffer added to the amount in both directions. We assume that
+ * the two rectangles do intersect.
+ */
+IGeometry.calcSeparationAmount = function (rectA, rectB, overlapAmount, separationBuffer) {
+ if (!rectA.intersects(rectB)) {
+ throw "assert failed";
+ }
+
+ var directions = new Array(2);
+
+ this.decideDirectionsForOverlappingNodes(rectA, rectB, directions);
+
+ overlapAmount[0] = Math.min(rectA.getRight(), rectB.getRight()) - Math.max(rectA.x, rectB.x);
+ overlapAmount[1] = Math.min(rectA.getBottom(), rectB.getBottom()) - Math.max(rectA.y, rectB.y);
+
+ // update the overlapping amounts for the following cases:
+ if (rectA.getX() <= rectB.getX() && rectA.getRight() >= rectB.getRight()) {
+ /* Case x.1:
+ *
+ * rectA
+ * | |
+ * | _________ |
+ * | | | |
+ * |________|_______|______|
+ * | |
+ * | |
+ * rectB
+ */
+ overlapAmount[0] += Math.min(rectB.getX() - rectA.getX(), rectA.getRight() - rectB.getRight());
+ } else if (rectB.getX() <= rectA.getX() && rectB.getRight() >= rectA.getRight()) {
+ /* Case x.2:
+ *
+ * rectB
+ * | |
+ * | _________ |
+ * | | | |
+ * |________|_______|______|
+ * | |
+ * | |
+ * rectA
+ */
+ overlapAmount[0] += Math.min(rectA.getX() - rectB.getX(), rectB.getRight() - rectA.getRight());
+ }
+ if (rectA.getY() <= rectB.getY() && rectA.getBottom() >= rectB.getBottom()) {
+ /* Case y.1:
+ * ________ rectA
+ * |
+ * |
+ * ______|____ rectB
+ * | |
+ * | |
+ * ______|____|
+ * |
+ * |
+ * |________
+ *
+ */
+ overlapAmount[1] += Math.min(rectB.getY() - rectA.getY(), rectA.getBottom() - rectB.getBottom());
+ } else if (rectB.getY() <= rectA.getY() && rectB.getBottom() >= rectA.getBottom()) {
+ /* Case y.2:
+ * ________ rectB
+ * |
+ * |
+ * ______|____ rectA
+ * | |
+ * | |
+ * ______|____|
+ * |
+ * |
+ * |________
+ *
+ */
+ overlapAmount[1] += Math.min(rectA.getY() - rectB.getY(), rectB.getBottom() - rectA.getBottom());
+ }
+
+ // find slope of the line passes two centers
+ var slope = Math.abs((rectB.getCenterY() - rectA.getCenterY()) / (rectB.getCenterX() - rectA.getCenterX()));
+ // if centers are overlapped
+ if (rectB.getCenterY() === rectA.getCenterY() && rectB.getCenterX() === rectA.getCenterX()) {
+ // assume the slope is 1 (45 degree)
+ slope = 1.0;
+ }
+
+ var moveByY = slope * overlapAmount[0];
+ var moveByX = overlapAmount[1] / slope;
+ if (overlapAmount[0] < moveByX) {
+ moveByX = overlapAmount[0];
+ } else {
+ moveByY = overlapAmount[1];
+ }
+ // return half the amount so that if each rectangle is moved by these
+ // amounts in opposite directions, overlap will be resolved
+ overlapAmount[0] = -1 * directions[0] * (moveByX / 2 + separationBuffer);
+ overlapAmount[1] = -1 * directions[1] * (moveByY / 2 + separationBuffer);
+};
+
+/**
+ * This method decides the separation direction of overlapping nodes
+ *
+ * if directions[0] = -1, then rectA goes left
+ * if directions[0] = 1, then rectA goes right
+ * if directions[1] = -1, then rectA goes up
+ * if directions[1] = 1, then rectA goes down
+ */
+IGeometry.decideDirectionsForOverlappingNodes = function (rectA, rectB, directions) {
+ if (rectA.getCenterX() < rectB.getCenterX()) {
+ directions[0] = -1;
+ } else {
+ directions[0] = 1;
+ }
+
+ if (rectA.getCenterY() < rectB.getCenterY()) {
+ directions[1] = -1;
+ } else {
+ directions[1] = 1;
+ }
+};
+
+/**
+ * This method calculates the intersection (clipping) points of the two
+ * input rectangles with line segment defined by the centers of these two
+ * rectangles. The clipping points are saved in the input double array and
+ * whether or not the two rectangles overlap is returned.
+ */
+IGeometry.getIntersection2 = function (rectA, rectB, result) {
+ //result[0-1] will contain clipPoint of rectA, result[2-3] will contain clipPoint of rectB
+ var p1x = rectA.getCenterX();
+ var p1y = rectA.getCenterY();
+ var p2x = rectB.getCenterX();
+ var p2y = rectB.getCenterY();
+
+ //if two rectangles intersect, then clipping points are centers
+ if (rectA.intersects(rectB)) {
+ result[0] = p1x;
+ result[1] = p1y;
+ result[2] = p2x;
+ result[3] = p2y;
+ return true;
+ }
+ //variables for rectA
+ var topLeftAx = rectA.getX();
+ var topLeftAy = rectA.getY();
+ var topRightAx = rectA.getRight();
+ var bottomLeftAx = rectA.getX();
+ var bottomLeftAy = rectA.getBottom();
+ var bottomRightAx = rectA.getRight();
+ var halfWidthA = rectA.getWidthHalf();
+ var halfHeightA = rectA.getHeightHalf();
+ //variables for rectB
+ var topLeftBx = rectB.getX();
+ var topLeftBy = rectB.getY();
+ var topRightBx = rectB.getRight();
+ var bottomLeftBx = rectB.getX();
+ var bottomLeftBy = rectB.getBottom();
+ var bottomRightBx = rectB.getRight();
+ var halfWidthB = rectB.getWidthHalf();
+ var halfHeightB = rectB.getHeightHalf();
+
+ //flag whether clipping points are found
+ var clipPointAFound = false;
+ var clipPointBFound = false;
+
+ // line is vertical
+ if (p1x === p2x) {
+ if (p1y > p2y) {
+ result[0] = p1x;
+ result[1] = topLeftAy;
+ result[2] = p2x;
+ result[3] = bottomLeftBy;
+ return false;
+ } else if (p1y < p2y) {
+ result[0] = p1x;
+ result[1] = bottomLeftAy;
+ result[2] = p2x;
+ result[3] = topLeftBy;
+ return false;
+ } else {
+ //not line, return null;
+ }
+ }
+ // line is horizontal
+ else if (p1y === p2y) {
+ if (p1x > p2x) {
+ result[0] = topLeftAx;
+ result[1] = p1y;
+ result[2] = topRightBx;
+ result[3] = p2y;
+ return false;
+ } else if (p1x < p2x) {
+ result[0] = topRightAx;
+ result[1] = p1y;
+ result[2] = topLeftBx;
+ result[3] = p2y;
+ return false;
+ } else {
+ //not valid line, return null;
+ }
+ } else {
+ //slopes of rectA's and rectB's diagonals
+ var slopeA = rectA.height / rectA.width;
+ var slopeB = rectB.height / rectB.width;
+
+ //slope of line between center of rectA and center of rectB
+ var slopePrime = (p2y - p1y) / (p2x - p1x);
+ var cardinalDirectionA = void 0;
+ var cardinalDirectionB = void 0;
+ var tempPointAx = void 0;
+ var tempPointAy = void 0;
+ var tempPointBx = void 0;
+ var tempPointBy = void 0;
+
+ //determine whether clipping point is the corner of nodeA
+ if (-slopeA === slopePrime) {
+ if (p1x > p2x) {
+ result[0] = bottomLeftAx;
+ result[1] = bottomLeftAy;
+ clipPointAFound = true;
+ } else {
+ result[0] = topRightAx;
+ result[1] = topLeftAy;
+ clipPointAFound = true;
+ }
+ } else if (slopeA === slopePrime) {
+ if (p1x > p2x) {
+ result[0] = topLeftAx;
+ result[1] = topLeftAy;
+ clipPointAFound = true;
+ } else {
+ result[0] = bottomRightAx;
+ result[1] = bottomLeftAy;
+ clipPointAFound = true;
+ }
+ }
+
+ //determine whether clipping point is the corner of nodeB
+ if (-slopeB === slopePrime) {
+ if (p2x > p1x) {
+ result[2] = bottomLeftBx;
+ result[3] = bottomLeftBy;
+ clipPointBFound = true;
+ } else {
+ result[2] = topRightBx;
+ result[3] = topLeftBy;
+ clipPointBFound = true;
+ }
+ } else if (slopeB === slopePrime) {
+ if (p2x > p1x) {
+ result[2] = topLeftBx;
+ result[3] = topLeftBy;
+ clipPointBFound = true;
+ } else {
+ result[2] = bottomRightBx;
+ result[3] = bottomLeftBy;
+ clipPointBFound = true;
+ }
+ }
+
+ //if both clipping points are corners
+ if (clipPointAFound && clipPointBFound) {
+ return false;
+ }
+
+ //determine Cardinal Direction of rectangles
+ if (p1x > p2x) {
+ if (p1y > p2y) {
+ cardinalDirectionA = this.getCardinalDirection(slopeA, slopePrime, 4);
+ cardinalDirectionB = this.getCardinalDirection(slopeB, slopePrime, 2);
+ } else {
+ cardinalDirectionA = this.getCardinalDirection(-slopeA, slopePrime, 3);
+ cardinalDirectionB = this.getCardinalDirection(-slopeB, slopePrime, 1);
+ }
+ } else {
+ if (p1y > p2y) {
+ cardinalDirectionA = this.getCardinalDirection(-slopeA, slopePrime, 1);
+ cardinalDirectionB = this.getCardinalDirection(-slopeB, slopePrime, 3);
+ } else {
+ cardinalDirectionA = this.getCardinalDirection(slopeA, slopePrime, 2);
+ cardinalDirectionB = this.getCardinalDirection(slopeB, slopePrime, 4);
+ }
+ }
+ //calculate clipping Point if it is not found before
+ if (!clipPointAFound) {
+ switch (cardinalDirectionA) {
+ case 1:
+ tempPointAy = topLeftAy;
+ tempPointAx = p1x + -halfHeightA / slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ case 2:
+ tempPointAx = bottomRightAx;
+ tempPointAy = p1y + halfWidthA * slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ case 3:
+ tempPointAy = bottomLeftAy;
+ tempPointAx = p1x + halfHeightA / slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ case 4:
+ tempPointAx = bottomLeftAx;
+ tempPointAy = p1y + -halfWidthA * slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ }
+ }
+ if (!clipPointBFound) {
+ switch (cardinalDirectionB) {
+ case 1:
+ tempPointBy = topLeftBy;
+ tempPointBx = p2x + -halfHeightB / slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ case 2:
+ tempPointBx = bottomRightBx;
+ tempPointBy = p2y + halfWidthB * slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ case 3:
+ tempPointBy = bottomLeftBy;
+ tempPointBx = p2x + halfHeightB / slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ case 4:
+ tempPointBx = bottomLeftBx;
+ tempPointBy = p2y + -halfWidthB * slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ }
+ }
+ }
+ return false;
+};
+
+/**
+ * This method returns in which cardinal direction does input point stays
+ * 1: North
+ * 2: East
+ * 3: South
+ * 4: West
+ */
+IGeometry.getCardinalDirection = function (slope, slopePrime, line) {
+ if (slope > slopePrime) {
+ return line;
+ } else {
+ return 1 + line % 4;
+ }
+};
+
+/**
+ * This method calculates the intersection of the two lines defined by
+ * point pairs (s1,s2) and (f1,f2).
+ */
+IGeometry.getIntersection = function (s1, s2, f1, f2) {
+ if (f2 == null) {
+ return this.getIntersection2(s1, s2, f1);
+ }
+
+ var x1 = s1.x;
+ var y1 = s1.y;
+ var x2 = s2.x;
+ var y2 = s2.y;
+ var x3 = f1.x;
+ var y3 = f1.y;
+ var x4 = f2.x;
+ var y4 = f2.y;
+ var x = void 0,
+ y = void 0; // intersection point
+ var a1 = void 0,
+ a2 = void 0,
+ b1 = void 0,
+ b2 = void 0,
+ c1 = void 0,
+ c2 = void 0; // coefficients of line eqns.
+ var denom = void 0;
+
+ a1 = y2 - y1;
+ b1 = x1 - x2;
+ c1 = x2 * y1 - x1 * y2; // { a1*x + b1*y + c1 = 0 is line 1 }
+
+ a2 = y4 - y3;
+ b2 = x3 - x4;
+ c2 = x4 * y3 - x3 * y4; // { a2*x + b2*y + c2 = 0 is line 2 }
+
+ denom = a1 * b2 - a2 * b1;
+
+ if (denom === 0) {
+ return null;
+ }
+
+ x = (b1 * c2 - b2 * c1) / denom;
+ y = (a2 * c1 - a1 * c2) / denom;
+
+ return new Point(x, y);
+};
+
+/**
+ * This method finds and returns the angle of the vector from the + x-axis
+ * in clockwise direction (compatible w/ Java coordinate system!).
+ */
+IGeometry.angleOfVector = function (Cx, Cy, Nx, Ny) {
+ var C_angle = void 0;
+
+ if (Cx !== Nx) {
+ C_angle = Math.atan((Ny - Cy) / (Nx - Cx));
+
+ if (Nx < Cx) {
+ C_angle += Math.PI;
+ } else if (Ny < Cy) {
+ C_angle += this.TWO_PI;
+ }
+ } else if (Ny < Cy) {
+ C_angle = this.ONE_AND_HALF_PI; // 270 degrees
+ } else {
+ C_angle = this.HALF_PI; // 90 degrees
+ }
+
+ return C_angle;
+};
+
+/**
+ * This method checks whether the given two line segments (one with point
+ * p1 and p2, the other with point p3 and p4) intersect at a point other
+ * than these points.
+ */
+IGeometry.doIntersect = function (p1, p2, p3, p4) {
+ var a = p1.x;
+ var b = p1.y;
+ var c = p2.x;
+ var d = p2.y;
+ var p = p3.x;
+ var q = p3.y;
+ var r = p4.x;
+ var s = p4.y;
+ var det = (c - a) * (s - q) - (r - p) * (d - b);
+
+ if (det === 0) {
+ return false;
+ } else {
+ var lambda = ((s - q) * (r - a) + (p - r) * (s - b)) / det;
+ var gamma = ((b - d) * (r - a) + (c - a) * (s - b)) / det;
+ return 0 < lambda && lambda < 1 && 0 < gamma && gamma < 1;
+ }
+};
+
+/**
+ * This method checks and calculates the intersection of
+ * a line segment and a circle.
+ */
+IGeometry.findCircleLineIntersections = function (Ex, Ey, Lx, Ly, Cx, Cy, r) {
+
+ // E is the starting point of the ray,
+ // L is the end point of the ray,
+ // C is the center of sphere you're testing against
+ // r is the radius of that sphere
+
+ // Compute:
+ // d = L - E ( Direction vector of ray, from start to end )
+ // f = E - C ( Vector from center sphere to ray start )
+
+ // Then the intersection is found by..
+ // P = E + t * d
+ // This is a parametric equation:
+ // Px = Ex + tdx
+ // Py = Ey + tdy
+
+ // get a, b, c values
+ var a = (Lx - Ex) * (Lx - Ex) + (Ly - Ey) * (Ly - Ey);
+ var b = 2 * ((Ex - Cx) * (Lx - Ex) + (Ey - Cy) * (Ly - Ey));
+ var c = (Ex - Cx) * (Ex - Cx) + (Ey - Cy) * (Ey - Cy) - r * r;
+
+ // get discriminant
+ var disc = b * b - 4 * a * c;
+ if (disc >= 0) {
+ // insert into quadratic formula
+ var t1 = (-b + Math.sqrt(b * b - 4 * a * c)) / (2 * a);
+ var t2 = (-b - Math.sqrt(b * b - 4 * a * c)) / (2 * a);
+ var intersections = null;
+ if (t1 >= 0 && t1 <= 1) {
+ // t1 is the intersection, and it's closer than t2
+ // (since t1 uses -b - discriminant)
+ // Impale, Poke
+ return [t1];
+ }
+
+ // here t1 didn't intersect so we are either started
+ // inside the sphere or completely past it
+ if (t2 >= 0 && t2 <= 1) {
+ // ExitWound
+ return [t2];
+ }
+
+ return intersections;
+ } else return null;
+};
+
+// -----------------------------------------------------------------------------
+// Section: Class Constants
+// -----------------------------------------------------------------------------
+/**
+ * Some useful pre-calculated constants
+ */
+IGeometry.HALF_PI = 0.5 * Math.PI;
+IGeometry.ONE_AND_HALF_PI = 1.5 * Math.PI;
+IGeometry.TWO_PI = 2.0 * Math.PI;
+IGeometry.THREE_PI = 3.0 * Math.PI;
+
+module.exports = IGeometry;
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function IMath() {}
+
+/**
+ * This method returns the sign of the input value.
+ */
+IMath.sign = function (value) {
+ if (value > 0) {
+ return 1;
+ } else if (value < 0) {
+ return -1;
+ } else {
+ return 0;
+ }
+};
+
+IMath.floor = function (value) {
+ return value < 0 ? Math.ceil(value) : Math.floor(value);
+};
+
+IMath.ceil = function (value) {
+ return value < 0 ? Math.floor(value) : Math.ceil(value);
+};
+
+module.exports = IMath;
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function Integer() {}
+
+Integer.MAX_VALUE = 2147483647;
+Integer.MIN_VALUE = -2147483648;
+
+module.exports = Integer;
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var nodeFrom = function nodeFrom(value) {
+ return { value: value, next: null, prev: null };
+};
+
+var add = function add(prev, node, next, list) {
+ if (prev !== null) {
+ prev.next = node;
+ } else {
+ list.head = node;
+ }
+
+ if (next !== null) {
+ next.prev = node;
+ } else {
+ list.tail = node;
+ }
+
+ node.prev = prev;
+ node.next = next;
+
+ list.length++;
+
+ return node;
+};
+
+var _remove = function _remove(node, list) {
+ var prev = node.prev,
+ next = node.next;
+
+
+ if (prev !== null) {
+ prev.next = next;
+ } else {
+ list.head = next;
+ }
+
+ if (next !== null) {
+ next.prev = prev;
+ } else {
+ list.tail = prev;
+ }
+
+ node.prev = node.next = null;
+
+ list.length--;
+
+ return node;
+};
+
+var LinkedList = function () {
+ function LinkedList(vals) {
+ var _this = this;
+
+ _classCallCheck(this, LinkedList);
+
+ this.length = 0;
+ this.head = null;
+ this.tail = null;
+
+ if (vals != null) {
+ vals.forEach(function (v) {
+ return _this.push(v);
+ });
+ }
+ }
+
+ _createClass(LinkedList, [{
+ key: "size",
+ value: function size() {
+ return this.length;
+ }
+ }, {
+ key: "insertBefore",
+ value: function insertBefore(val, otherNode) {
+ return add(otherNode.prev, nodeFrom(val), otherNode, this);
+ }
+ }, {
+ key: "insertAfter",
+ value: function insertAfter(val, otherNode) {
+ return add(otherNode, nodeFrom(val), otherNode.next, this);
+ }
+ }, {
+ key: "insertNodeBefore",
+ value: function insertNodeBefore(newNode, otherNode) {
+ return add(otherNode.prev, newNode, otherNode, this);
+ }
+ }, {
+ key: "insertNodeAfter",
+ value: function insertNodeAfter(newNode, otherNode) {
+ return add(otherNode, newNode, otherNode.next, this);
+ }
+ }, {
+ key: "push",
+ value: function push(val) {
+ return add(this.tail, nodeFrom(val), null, this);
+ }
+ }, {
+ key: "unshift",
+ value: function unshift(val) {
+ return add(null, nodeFrom(val), this.head, this);
+ }
+ }, {
+ key: "remove",
+ value: function remove(node) {
+ return _remove(node, this);
+ }
+ }, {
+ key: "pop",
+ value: function pop() {
+ return _remove(this.tail, this).value;
+ }
+ }, {
+ key: "popNode",
+ value: function popNode() {
+ return _remove(this.tail, this);
+ }
+ }, {
+ key: "shift",
+ value: function shift() {
+ return _remove(this.head, this).value;
+ }
+ }, {
+ key: "shiftNode",
+ value: function shiftNode() {
+ return _remove(this.head, this);
+ }
+ }, {
+ key: "get_object_at",
+ value: function get_object_at(index) {
+ if (index <= this.length()) {
+ var i = 1;
+ var current = this.head;
+ while (i < index) {
+ current = current.next;
+ i++;
+ }
+ return current.value;
+ }
+ }
+ }, {
+ key: "set_object_at",
+ value: function set_object_at(index, value) {
+ if (index <= this.length()) {
+ var i = 1;
+ var current = this.head;
+ while (i < index) {
+ current = current.next;
+ i++;
+ }
+ current.value = value;
+ }
+ }
+ }]);
+
+ return LinkedList;
+}();
+
+module.exports = LinkedList;
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+/*
+ *This class is the javascript implementation of the Point.java class in jdk
+ */
+function Point(x, y, p) {
+ this.x = null;
+ this.y = null;
+ if (x == null && y == null && p == null) {
+ this.x = 0;
+ this.y = 0;
+ } else if (typeof x == 'number' && typeof y == 'number' && p == null) {
+ this.x = x;
+ this.y = y;
+ } else if (x.constructor.name == 'Point' && y == null && p == null) {
+ p = x;
+ this.x = p.x;
+ this.y = p.y;
+ }
+}
+
+Point.prototype.getX = function () {
+ return this.x;
+};
+
+Point.prototype.getY = function () {
+ return this.y;
+};
+
+Point.prototype.getLocation = function () {
+ return new Point(this.x, this.y);
+};
+
+Point.prototype.setLocation = function (x, y, p) {
+ if (x.constructor.name == 'Point' && y == null && p == null) {
+ p = x;
+ this.setLocation(p.x, p.y);
+ } else if (typeof x == 'number' && typeof y == 'number' && p == null) {
+ //if both parameters are integer just move (x,y) location
+ if (parseInt(x) == x && parseInt(y) == y) {
+ this.move(x, y);
+ } else {
+ this.x = Math.floor(x + 0.5);
+ this.y = Math.floor(y + 0.5);
+ }
+ }
+};
+
+Point.prototype.move = function (x, y) {
+ this.x = x;
+ this.y = y;
+};
+
+Point.prototype.translate = function (dx, dy) {
+ this.x += dx;
+ this.y += dy;
+};
+
+Point.prototype.equals = function (obj) {
+ if (obj.constructor.name == "Point") {
+ var pt = obj;
+ return this.x == pt.x && this.y == pt.y;
+ }
+ return this == obj;
+};
+
+Point.prototype.toString = function () {
+ return new Point().constructor.name + "[x=" + this.x + ",y=" + this.y + "]";
+};
+
+module.exports = Point;
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function RectangleD(x, y, width, height) {
+ this.x = 0;
+ this.y = 0;
+ this.width = 0;
+ this.height = 0;
+
+ if (x != null && y != null && width != null && height != null) {
+ this.x = x;
+ this.y = y;
+ this.width = width;
+ this.height = height;
+ }
+}
+
+RectangleD.prototype.getX = function () {
+ return this.x;
+};
+
+RectangleD.prototype.setX = function (x) {
+ this.x = x;
+};
+
+RectangleD.prototype.getY = function () {
+ return this.y;
+};
+
+RectangleD.prototype.setY = function (y) {
+ this.y = y;
+};
+
+RectangleD.prototype.getWidth = function () {
+ return this.width;
+};
+
+RectangleD.prototype.setWidth = function (width) {
+ this.width = width;
+};
+
+RectangleD.prototype.getHeight = function () {
+ return this.height;
+};
+
+RectangleD.prototype.setHeight = function (height) {
+ this.height = height;
+};
+
+RectangleD.prototype.getRight = function () {
+ return this.x + this.width;
+};
+
+RectangleD.prototype.getBottom = function () {
+ return this.y + this.height;
+};
+
+RectangleD.prototype.intersects = function (a) {
+ if (this.getRight() < a.x) {
+ return false;
+ }
+
+ if (this.getBottom() < a.y) {
+ return false;
+ }
+
+ if (a.getRight() < this.x) {
+ return false;
+ }
+
+ if (a.getBottom() < this.y) {
+ return false;
+ }
+
+ return true;
+};
+
+RectangleD.prototype.getCenterX = function () {
+ return this.x + this.width / 2;
+};
+
+RectangleD.prototype.getMinX = function () {
+ return this.getX();
+};
+
+RectangleD.prototype.getMaxX = function () {
+ return this.getX() + this.width;
+};
+
+RectangleD.prototype.getCenterY = function () {
+ return this.y + this.height / 2;
+};
+
+RectangleD.prototype.getMinY = function () {
+ return this.getY();
+};
+
+RectangleD.prototype.getMaxY = function () {
+ return this.getY() + this.height;
+};
+
+RectangleD.prototype.getWidthHalf = function () {
+ return this.width / 2;
+};
+
+RectangleD.prototype.getHeightHalf = function () {
+ return this.height / 2;
+};
+
+module.exports = RectangleD;
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+function UniqueIDGeneretor() {}
+
+UniqueIDGeneretor.lastID = 0;
+
+UniqueIDGeneretor.createID = function (obj) {
+ if (UniqueIDGeneretor.isPrimitive(obj)) {
+ return obj;
+ }
+ if (obj.uniqueID != null) {
+ return obj.uniqueID;
+ }
+ obj.uniqueID = UniqueIDGeneretor.getString();
+ UniqueIDGeneretor.lastID++;
+ return obj.uniqueID;
+};
+
+UniqueIDGeneretor.getString = function (id) {
+ if (id == null) id = UniqueIDGeneretor.lastID;
+ return "Object#" + id + "";
+};
+
+UniqueIDGeneretor.isPrimitive = function (arg) {
+ var type = typeof arg === "undefined" ? "undefined" : _typeof(arg);
+ return arg == null || type != "object" && type != "function";
+};
+
+module.exports = UniqueIDGeneretor;
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+var LayoutConstants = __webpack_require__(0);
+var LGraphManager = __webpack_require__(7);
+var LNode = __webpack_require__(3);
+var LEdge = __webpack_require__(1);
+var LGraph = __webpack_require__(6);
+var PointD = __webpack_require__(5);
+var Transform = __webpack_require__(17);
+var Emitter = __webpack_require__(29);
+
+function Layout(isRemoteUse) {
+ Emitter.call(this);
+
+ //Layout Quality: 0:draft, 1:default, 2:proof
+ this.layoutQuality = LayoutConstants.QUALITY;
+ //Whether layout should create bendpoints as needed or not
+ this.createBendsAsNeeded = LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED;
+ //Whether layout should be incremental or not
+ this.incremental = LayoutConstants.DEFAULT_INCREMENTAL;
+ //Whether we animate from before to after layout node positions
+ this.animationOnLayout = LayoutConstants.DEFAULT_ANIMATION_ON_LAYOUT;
+ //Whether we animate the layout process or not
+ this.animationDuringLayout = LayoutConstants.DEFAULT_ANIMATION_DURING_LAYOUT;
+ //Number iterations that should be done between two successive animations
+ this.animationPeriod = LayoutConstants.DEFAULT_ANIMATION_PERIOD;
+ /**
+ * Whether or not leaf nodes (non-compound nodes) are of uniform sizes. When
+ * they are, both spring and repulsion forces between two leaf nodes can be
+ * calculated without the expensive clipping point calculations, resulting
+ * in major speed-up.
+ */
+ this.uniformLeafNodeSizes = LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES;
+ /**
+ * This is used for creation of bendpoints by using dummy nodes and edges.
+ * Maps an LEdge to its dummy bendpoint path.
+ */
+ this.edgeToDummyNodes = new Map();
+ this.graphManager = new LGraphManager(this);
+ this.isLayoutFinished = false;
+ this.isSubLayout = false;
+ this.isRemoteUse = false;
+
+ if (isRemoteUse != null) {
+ this.isRemoteUse = isRemoteUse;
+ }
+}
+
+Layout.RANDOM_SEED = 1;
+
+Layout.prototype = Object.create(Emitter.prototype);
+
+Layout.prototype.getGraphManager = function () {
+ return this.graphManager;
+};
+
+Layout.prototype.getAllNodes = function () {
+ return this.graphManager.getAllNodes();
+};
+
+Layout.prototype.getAllEdges = function () {
+ return this.graphManager.getAllEdges();
+};
+
+Layout.prototype.getAllNodesToApplyGravitation = function () {
+ return this.graphManager.getAllNodesToApplyGravitation();
+};
+
+Layout.prototype.newGraphManager = function () {
+ var gm = new LGraphManager(this);
+ this.graphManager = gm;
+ return gm;
+};
+
+Layout.prototype.newGraph = function (vGraph) {
+ return new LGraph(null, this.graphManager, vGraph);
+};
+
+Layout.prototype.newNode = function (vNode) {
+ return new LNode(this.graphManager, vNode);
+};
+
+Layout.prototype.newEdge = function (vEdge) {
+ return new LEdge(null, null, vEdge);
+};
+
+Layout.prototype.checkLayoutSuccess = function () {
+ return this.graphManager.getRoot() == null || this.graphManager.getRoot().getNodes().length == 0 || this.graphManager.includesInvalidEdge();
+};
+
+Layout.prototype.runLayout = function () {
+ this.isLayoutFinished = false;
+
+ if (this.tilingPreLayout) {
+ this.tilingPreLayout();
+ }
+
+ this.initParameters();
+ var isLayoutSuccessfull;
+
+ if (this.checkLayoutSuccess()) {
+ isLayoutSuccessfull = false;
+ } else {
+ isLayoutSuccessfull = this.layout();
+ }
+
+ if (LayoutConstants.ANIMATE === 'during') {
+ // If this is a 'during' layout animation. Layout is not finished yet.
+ // We need to perform these in index.js when layout is really finished.
+ return false;
+ }
+
+ if (isLayoutSuccessfull) {
+ if (!this.isSubLayout) {
+ this.doPostLayout();
+ }
+ }
+
+ if (this.tilingPostLayout) {
+ this.tilingPostLayout();
+ }
+
+ this.isLayoutFinished = true;
+
+ return isLayoutSuccessfull;
+};
+
+/**
+ * This method performs the operations required after layout.
+ */
+Layout.prototype.doPostLayout = function () {
+ //assert !isSubLayout : "Should not be called on sub-layout!";
+ // Propagate geometric changes to v-level objects
+ if (!this.incremental) {
+ this.transform();
+ }
+ this.update();
+};
+
+/**
+ * This method updates the geometry of the target graph according to
+ * calculated layout.
+ */
+Layout.prototype.update2 = function () {
+ // update bend points
+ if (this.createBendsAsNeeded) {
+ this.createBendpointsFromDummyNodes();
+
+ // reset all edges, since the topology has changed
+ this.graphManager.resetAllEdges();
+ }
+
+ // perform edge, node and root updates if layout is not called
+ // remotely
+ if (!this.isRemoteUse) {
+ // update all edges
+ var edge;
+ var allEdges = this.graphManager.getAllEdges();
+ for (var i = 0; i < allEdges.length; i++) {
+ edge = allEdges[i];
+ // this.update(edge);
+ }
+
+ // recursively update nodes
+ var node;
+ var nodes = this.graphManager.getRoot().getNodes();
+ for (var i = 0; i < nodes.length; i++) {
+ node = nodes[i];
+ // this.update(node);
+ }
+
+ // update root graph
+ this.update(this.graphManager.getRoot());
+ }
+};
+
+Layout.prototype.update = function (obj) {
+ if (obj == null) {
+ this.update2();
+ } else if (obj instanceof LNode) {
+ var node = obj;
+ if (node.getChild() != null) {
+ // since node is compound, recursively update child nodes
+ var nodes = node.getChild().getNodes();
+ for (var i = 0; i < nodes.length; i++) {
+ update(nodes[i]);
+ }
+ }
+
+ // if the l-level node is associated with a v-level graph object,
+ // then it is assumed that the v-level node implements the
+ // interface Updatable.
+ if (node.vGraphObject != null) {
+ // cast to Updatable without any type check
+ var vNode = node.vGraphObject;
+
+ // call the update method of the interface
+ vNode.update(node);
+ }
+ } else if (obj instanceof LEdge) {
+ var edge = obj;
+ // if the l-level edge is associated with a v-level graph object,
+ // then it is assumed that the v-level edge implements the
+ // interface Updatable.
+
+ if (edge.vGraphObject != null) {
+ // cast to Updatable without any type check
+ var vEdge = edge.vGraphObject;
+
+ // call the update method of the interface
+ vEdge.update(edge);
+ }
+ } else if (obj instanceof LGraph) {
+ var graph = obj;
+ // if the l-level graph is associated with a v-level graph object,
+ // then it is assumed that the v-level object implements the
+ // interface Updatable.
+
+ if (graph.vGraphObject != null) {
+ // cast to Updatable without any type check
+ var vGraph = graph.vGraphObject;
+
+ // call the update method of the interface
+ vGraph.update(graph);
+ }
+ }
+};
+
+/**
+ * This method is used to set all layout parameters to default values
+ * determined at compile time.
+ */
+Layout.prototype.initParameters = function () {
+ if (!this.isSubLayout) {
+ this.layoutQuality = LayoutConstants.QUALITY;
+ this.animationDuringLayout = LayoutConstants.DEFAULT_ANIMATION_DURING_LAYOUT;
+ this.animationPeriod = LayoutConstants.DEFAULT_ANIMATION_PERIOD;
+ this.animationOnLayout = LayoutConstants.DEFAULT_ANIMATION_ON_LAYOUT;
+ this.incremental = LayoutConstants.DEFAULT_INCREMENTAL;
+ this.createBendsAsNeeded = LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED;
+ this.uniformLeafNodeSizes = LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES;
+ }
+
+ if (this.animationDuringLayout) {
+ this.animationOnLayout = false;
+ }
+};
+
+Layout.prototype.transform = function (newLeftTop) {
+ if (newLeftTop == undefined) {
+ this.transform(new PointD(0, 0));
+ } else {
+ // create a transformation object (from Eclipse to layout). When an
+ // inverse transform is applied, we get upper-left coordinate of the
+ // drawing or the root graph at given input coordinate (some margins
+ // already included in calculation of left-top).
+
+ var trans = new Transform();
+ var leftTop = this.graphManager.getRoot().updateLeftTop();
+
+ if (leftTop != null) {
+ trans.setWorldOrgX(newLeftTop.x);
+ trans.setWorldOrgY(newLeftTop.y);
+
+ trans.setDeviceOrgX(leftTop.x);
+ trans.setDeviceOrgY(leftTop.y);
+
+ var nodes = this.getAllNodes();
+ var node;
+
+ for (var i = 0; i < nodes.length; i++) {
+ node = nodes[i];
+ node.transform(trans);
+ }
+ }
+ }
+};
+
+Layout.prototype.positionNodesRandomly = function (graph) {
+
+ if (graph == undefined) {
+ //assert !this.incremental;
+ this.positionNodesRandomly(this.getGraphManager().getRoot());
+ this.getGraphManager().getRoot().updateBounds(true);
+ } else {
+ var lNode;
+ var childGraph;
+
+ var nodes = graph.getNodes();
+ for (var i = 0; i < nodes.length; i++) {
+ lNode = nodes[i];
+ childGraph = lNode.getChild();
+
+ if (childGraph == null) {
+ lNode.scatter();
+ } else if (childGraph.getNodes().length == 0) {
+ lNode.scatter();
+ } else {
+ this.positionNodesRandomly(childGraph);
+ lNode.updateBounds();
+ }
+ }
+ }
+};
+
+/**
+ * This method returns a list of trees where each tree is represented as a
+ * list of l-nodes. The method returns a list of size 0 when:
+ * - The graph is not flat or
+ * - One of the component(s) of the graph is not a tree.
+ */
+Layout.prototype.getFlatForest = function () {
+ var flatForest = [];
+ var isForest = true;
+
+ // Quick reference for all nodes in the graph manager associated with
+ // this layout. The list should not be changed.
+ var allNodes = this.graphManager.getRoot().getNodes();
+
+ // First be sure that the graph is flat
+ var isFlat = true;
+
+ for (var i = 0; i < allNodes.length; i++) {
+ if (allNodes[i].getChild() != null) {
+ isFlat = false;
+ }
+ }
+
+ // Return empty forest if the graph is not flat.
+ if (!isFlat) {
+ return flatForest;
+ }
+
+ // Run BFS for each component of the graph.
+
+ var visited = new Set();
+ var toBeVisited = [];
+ var parents = new Map();
+ var unProcessedNodes = [];
+
+ unProcessedNodes = unProcessedNodes.concat(allNodes);
+
+ // Each iteration of this loop finds a component of the graph and
+ // decides whether it is a tree or not. If it is a tree, adds it to the
+ // forest and continued with the next component.
+
+ while (unProcessedNodes.length > 0 && isForest) {
+ toBeVisited.push(unProcessedNodes[0]);
+
+ // Start the BFS. Each iteration of this loop visits a node in a
+ // BFS manner.
+ while (toBeVisited.length > 0 && isForest) {
+ //pool operation
+ var currentNode = toBeVisited[0];
+ toBeVisited.splice(0, 1);
+ visited.add(currentNode);
+
+ // Traverse all neighbors of this node
+ var neighborEdges = currentNode.getEdges();
+
+ for (var i = 0; i < neighborEdges.length; i++) {
+ var currentNeighbor = neighborEdges[i].getOtherEnd(currentNode);
+
+ // If BFS is not growing from this neighbor.
+ if (parents.get(currentNode) != currentNeighbor) {
+ // We haven't previously visited this neighbor.
+ if (!visited.has(currentNeighbor)) {
+ toBeVisited.push(currentNeighbor);
+ parents.set(currentNeighbor, currentNode);
+ }
+ // Since we have previously visited this neighbor and
+ // this neighbor is not parent of currentNode, given
+ // graph contains a component that is not tree, hence
+ // it is not a forest.
+ else {
+ isForest = false;
+ break;
+ }
+ }
+ }
+ }
+
+ // The graph contains a component that is not a tree. Empty
+ // previously found trees. The method will end.
+ if (!isForest) {
+ flatForest = [];
+ }
+ // Save currently visited nodes as a tree in our forest. Reset
+ // visited and parents lists. Continue with the next component of
+ // the graph, if any.
+ else {
+ var temp = [].concat(_toConsumableArray(visited));
+ flatForest.push(temp);
+ //flatForest = flatForest.concat(temp);
+ //unProcessedNodes.removeAll(visited);
+ for (var i = 0; i < temp.length; i++) {
+ var value = temp[i];
+ var index = unProcessedNodes.indexOf(value);
+ if (index > -1) {
+ unProcessedNodes.splice(index, 1);
+ }
+ }
+ visited = new Set();
+ parents = new Map();
+ }
+ }
+
+ return flatForest;
+};
+
+/**
+ * This method creates dummy nodes (an l-level node with minimal dimensions)
+ * for the given edge (one per bendpoint). The existing l-level structure
+ * is updated accordingly.
+ */
+Layout.prototype.createDummyNodesForBendpoints = function (edge) {
+ var dummyNodes = [];
+ var prev = edge.source;
+
+ var graph = this.graphManager.calcLowestCommonAncestor(edge.source, edge.target);
+
+ for (var i = 0; i < edge.bendpoints.length; i++) {
+ // create new dummy node
+ var dummyNode = this.newNode(null);
+ dummyNode.setRect(new Point(0, 0), new Dimension(1, 1));
+
+ graph.add(dummyNode);
+
+ // create new dummy edge between prev and dummy node
+ var dummyEdge = this.newEdge(null);
+ this.graphManager.add(dummyEdge, prev, dummyNode);
+
+ dummyNodes.add(dummyNode);
+ prev = dummyNode;
+ }
+
+ var dummyEdge = this.newEdge(null);
+ this.graphManager.add(dummyEdge, prev, edge.target);
+
+ this.edgeToDummyNodes.set(edge, dummyNodes);
+
+ // remove real edge from graph manager if it is inter-graph
+ if (edge.isInterGraph()) {
+ this.graphManager.remove(edge);
+ }
+ // else, remove the edge from the current graph
+ else {
+ graph.remove(edge);
+ }
+
+ return dummyNodes;
+};
+
+/**
+ * This method creates bendpoints for edges from the dummy nodes
+ * at l-level.
+ */
+Layout.prototype.createBendpointsFromDummyNodes = function () {
+ var edges = [];
+ edges = edges.concat(this.graphManager.getAllEdges());
+ edges = [].concat(_toConsumableArray(this.edgeToDummyNodes.keys())).concat(edges);
+
+ for (var k = 0; k < edges.length; k++) {
+ var lEdge = edges[k];
+
+ if (lEdge.bendpoints.length > 0) {
+ var path = this.edgeToDummyNodes.get(lEdge);
+
+ for (var i = 0; i < path.length; i++) {
+ var dummyNode = path[i];
+ var p = new PointD(dummyNode.getCenterX(), dummyNode.getCenterY());
+
+ // update bendpoint's location according to dummy node
+ var ebp = lEdge.bendpoints.get(i);
+ ebp.x = p.x;
+ ebp.y = p.y;
+
+ // remove the dummy node, dummy edges incident with this
+ // dummy node is also removed (within the remove method)
+ dummyNode.getOwner().remove(dummyNode);
+ }
+
+ // add the real edge to graph
+ this.graphManager.add(lEdge, lEdge.source, lEdge.target);
+ }
+ }
+};
+
+Layout.transform = function (sliderValue, defaultValue, minDiv, maxMul) {
+ if (minDiv != undefined && maxMul != undefined) {
+ var value = defaultValue;
+
+ if (sliderValue <= 50) {
+ var minValue = defaultValue / minDiv;
+ value -= (defaultValue - minValue) / 50 * (50 - sliderValue);
+ } else {
+ var maxValue = defaultValue * maxMul;
+ value += (maxValue - defaultValue) / 50 * (sliderValue - 50);
+ }
+
+ return value;
+ } else {
+ var a, b;
+
+ if (sliderValue <= 50) {
+ a = 9.0 * defaultValue / 500.0;
+ b = defaultValue / 10.0;
+ } else {
+ a = 9.0 * defaultValue / 50.0;
+ b = -8 * defaultValue;
+ }
+
+ return a * sliderValue + b;
+ }
+};
+
+/**
+ * This method finds and returns the center of the given nodes, assuming
+ * that the given nodes form a tree in themselves.
+ */
+Layout.findCenterOfTree = function (nodes) {
+ var list = [];
+ list = list.concat(nodes);
+
+ var removedNodes = [];
+ var remainingDegrees = new Map();
+ var foundCenter = false;
+ var centerNode = null;
+
+ if (list.length == 1 || list.length == 2) {
+ foundCenter = true;
+ centerNode = list[0];
+ }
+
+ for (var i = 0; i < list.length; i++) {
+ var node = list[i];
+ var degree = node.getNeighborsList().size;
+ remainingDegrees.set(node, node.getNeighborsList().size);
+
+ if (degree == 1) {
+ removedNodes.push(node);
+ }
+ }
+
+ var tempList = [];
+ tempList = tempList.concat(removedNodes);
+
+ while (!foundCenter) {
+ var tempList2 = [];
+ tempList2 = tempList2.concat(tempList);
+ tempList = [];
+
+ for (var i = 0; i < list.length; i++) {
+ var node = list[i];
+
+ var index = list.indexOf(node);
+ if (index >= 0) {
+ list.splice(index, 1);
+ }
+
+ var neighbours = node.getNeighborsList();
+
+ neighbours.forEach(function (neighbour) {
+ if (removedNodes.indexOf(neighbour) < 0) {
+ var otherDegree = remainingDegrees.get(neighbour);
+ var newDegree = otherDegree - 1;
+
+ if (newDegree == 1) {
+ tempList.push(neighbour);
+ }
+
+ remainingDegrees.set(neighbour, newDegree);
+ }
+ });
+ }
+
+ removedNodes = removedNodes.concat(tempList);
+
+ if (list.length == 1 || list.length == 2) {
+ foundCenter = true;
+ centerNode = list[0];
+ }
+ }
+
+ return centerNode;
+};
+
+/**
+ * During the coarsening process, this layout may be referenced by two graph managers
+ * this setter function grants access to change the currently being used graph manager
+ */
+Layout.prototype.setGraphManager = function (gm) {
+ this.graphManager = gm;
+};
+
+module.exports = Layout;
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function RandomSeed() {}
+// adapted from: https://stackoverflow.com/a/19303725
+RandomSeed.seed = 1;
+RandomSeed.x = 0;
+
+RandomSeed.nextDouble = function () {
+ RandomSeed.x = Math.sin(RandomSeed.seed++) * 10000;
+ return RandomSeed.x - Math.floor(RandomSeed.x);
+};
+
+module.exports = RandomSeed;
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var PointD = __webpack_require__(5);
+
+function Transform(x, y) {
+ this.lworldOrgX = 0.0;
+ this.lworldOrgY = 0.0;
+ this.ldeviceOrgX = 0.0;
+ this.ldeviceOrgY = 0.0;
+ this.lworldExtX = 1.0;
+ this.lworldExtY = 1.0;
+ this.ldeviceExtX = 1.0;
+ this.ldeviceExtY = 1.0;
+}
+
+Transform.prototype.getWorldOrgX = function () {
+ return this.lworldOrgX;
+};
+
+Transform.prototype.setWorldOrgX = function (wox) {
+ this.lworldOrgX = wox;
+};
+
+Transform.prototype.getWorldOrgY = function () {
+ return this.lworldOrgY;
+};
+
+Transform.prototype.setWorldOrgY = function (woy) {
+ this.lworldOrgY = woy;
+};
+
+Transform.prototype.getWorldExtX = function () {
+ return this.lworldExtX;
+};
+
+Transform.prototype.setWorldExtX = function (wex) {
+ this.lworldExtX = wex;
+};
+
+Transform.prototype.getWorldExtY = function () {
+ return this.lworldExtY;
+};
+
+Transform.prototype.setWorldExtY = function (wey) {
+ this.lworldExtY = wey;
+};
+
+/* Device related */
+
+Transform.prototype.getDeviceOrgX = function () {
+ return this.ldeviceOrgX;
+};
+
+Transform.prototype.setDeviceOrgX = function (dox) {
+ this.ldeviceOrgX = dox;
+};
+
+Transform.prototype.getDeviceOrgY = function () {
+ return this.ldeviceOrgY;
+};
+
+Transform.prototype.setDeviceOrgY = function (doy) {
+ this.ldeviceOrgY = doy;
+};
+
+Transform.prototype.getDeviceExtX = function () {
+ return this.ldeviceExtX;
+};
+
+Transform.prototype.setDeviceExtX = function (dex) {
+ this.ldeviceExtX = dex;
+};
+
+Transform.prototype.getDeviceExtY = function () {
+ return this.ldeviceExtY;
+};
+
+Transform.prototype.setDeviceExtY = function (dey) {
+ this.ldeviceExtY = dey;
+};
+
+Transform.prototype.transformX = function (x) {
+ var xDevice = 0.0;
+ var worldExtX = this.lworldExtX;
+ if (worldExtX != 0.0) {
+ xDevice = this.ldeviceOrgX + (x - this.lworldOrgX) * this.ldeviceExtX / worldExtX;
+ }
+
+ return xDevice;
+};
+
+Transform.prototype.transformY = function (y) {
+ var yDevice = 0.0;
+ var worldExtY = this.lworldExtY;
+ if (worldExtY != 0.0) {
+ yDevice = this.ldeviceOrgY + (y - this.lworldOrgY) * this.ldeviceExtY / worldExtY;
+ }
+
+ return yDevice;
+};
+
+Transform.prototype.inverseTransformX = function (x) {
+ var xWorld = 0.0;
+ var deviceExtX = this.ldeviceExtX;
+ if (deviceExtX != 0.0) {
+ xWorld = this.lworldOrgX + (x - this.ldeviceOrgX) * this.lworldExtX / deviceExtX;
+ }
+
+ return xWorld;
+};
+
+Transform.prototype.inverseTransformY = function (y) {
+ var yWorld = 0.0;
+ var deviceExtY = this.ldeviceExtY;
+ if (deviceExtY != 0.0) {
+ yWorld = this.lworldOrgY + (y - this.ldeviceOrgY) * this.lworldExtY / deviceExtY;
+ }
+ return yWorld;
+};
+
+Transform.prototype.inverseTransformPoint = function (inPoint) {
+ var outPoint = new PointD(this.inverseTransformX(inPoint.x), this.inverseTransformY(inPoint.y));
+ return outPoint;
+};
+
+module.exports = Transform;
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+var Layout = __webpack_require__(15);
+var FDLayoutConstants = __webpack_require__(4);
+var LayoutConstants = __webpack_require__(0);
+var IGeometry = __webpack_require__(8);
+var IMath = __webpack_require__(9);
+
+function FDLayout() {
+ Layout.call(this);
+
+ this.useSmartIdealEdgeLengthCalculation = FDLayoutConstants.DEFAULT_USE_SMART_IDEAL_EDGE_LENGTH_CALCULATION;
+ this.gravityConstant = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH;
+ this.compoundGravityConstant = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH;
+ this.gravityRangeFactor = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR;
+ this.compoundGravityRangeFactor = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR;
+ this.displacementThresholdPerNode = 3.0 * FDLayoutConstants.DEFAULT_EDGE_LENGTH / 100;
+ this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL;
+ this.initialCoolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL;
+ this.totalDisplacement = 0.0;
+ this.oldTotalDisplacement = 0.0;
+ this.maxIterations = FDLayoutConstants.MAX_ITERATIONS;
+}
+
+FDLayout.prototype = Object.create(Layout.prototype);
+
+for (var prop in Layout) {
+ FDLayout[prop] = Layout[prop];
+}
+
+FDLayout.prototype.initParameters = function () {
+ Layout.prototype.initParameters.call(this, arguments);
+
+ this.totalIterations = 0;
+ this.notAnimatedIterations = 0;
+
+ this.useFRGridVariant = FDLayoutConstants.DEFAULT_USE_SMART_REPULSION_RANGE_CALCULATION;
+
+ this.grid = [];
+};
+
+FDLayout.prototype.calcIdealEdgeLengths = function () {
+ var edge;
+ var originalIdealLength;
+ var lcaDepth;
+ var source;
+ var target;
+ var sizeOfSourceInLca;
+ var sizeOfTargetInLca;
+
+ var allEdges = this.getGraphManager().getAllEdges();
+ for (var i = 0; i < allEdges.length; i++) {
+ edge = allEdges[i];
+
+ originalIdealLength = edge.idealLength;
+
+ if (edge.isInterGraph) {
+ source = edge.getSource();
+ target = edge.getTarget();
+
+ sizeOfSourceInLca = edge.getSourceInLca().getEstimatedSize();
+ sizeOfTargetInLca = edge.getTargetInLca().getEstimatedSize();
+
+ if (this.useSmartIdealEdgeLengthCalculation) {
+ edge.idealLength += sizeOfSourceInLca + sizeOfTargetInLca - 2 * LayoutConstants.SIMPLE_NODE_SIZE;
+ }
+
+ lcaDepth = edge.getLca().getInclusionTreeDepth();
+
+ edge.idealLength += originalIdealLength * FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR * (source.getInclusionTreeDepth() + target.getInclusionTreeDepth() - 2 * lcaDepth);
+ }
+ }
+};
+
+FDLayout.prototype.initSpringEmbedder = function () {
+
+ var s = this.getAllNodes().length;
+ if (this.incremental) {
+ if (s > FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT) {
+ this.coolingFactor = Math.max(this.coolingFactor * FDLayoutConstants.COOLING_ADAPTATION_FACTOR, this.coolingFactor - (s - FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT) / (FDLayoutConstants.ADAPTATION_UPPER_NODE_LIMIT - FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT) * this.coolingFactor * (1 - FDLayoutConstants.COOLING_ADAPTATION_FACTOR));
+ }
+ this.maxNodeDisplacement = FDLayoutConstants.MAX_NODE_DISPLACEMENT_INCREMENTAL;
+ } else {
+ if (s > FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT) {
+ this.coolingFactor = Math.max(FDLayoutConstants.COOLING_ADAPTATION_FACTOR, 1.0 - (s - FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT) / (FDLayoutConstants.ADAPTATION_UPPER_NODE_LIMIT - FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT) * (1 - FDLayoutConstants.COOLING_ADAPTATION_FACTOR));
+ } else {
+ this.coolingFactor = 1.0;
+ }
+ this.initialCoolingFactor = this.coolingFactor;
+ this.maxNodeDisplacement = FDLayoutConstants.MAX_NODE_DISPLACEMENT;
+ }
+
+ this.maxIterations = Math.max(this.getAllNodes().length * 5, this.maxIterations);
+
+ // Reassign this attribute by using new constant value
+ this.displacementThresholdPerNode = 3.0 * FDLayoutConstants.DEFAULT_EDGE_LENGTH / 100;
+ this.totalDisplacementThreshold = this.displacementThresholdPerNode * this.getAllNodes().length;
+
+ this.repulsionRange = this.calcRepulsionRange();
+};
+
+FDLayout.prototype.calcSpringForces = function () {
+ var lEdges = this.getAllEdges();
+ var edge;
+
+ for (var i = 0; i < lEdges.length; i++) {
+ edge = lEdges[i];
+
+ this.calcSpringForce(edge, edge.idealLength);
+ }
+};
+
+FDLayout.prototype.calcRepulsionForces = function () {
+ var gridUpdateAllowed = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+ var forceToNodeSurroundingUpdate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ var i, j;
+ var nodeA, nodeB;
+ var lNodes = this.getAllNodes();
+ var processedNodeSet;
+
+ if (this.useFRGridVariant) {
+ if (this.totalIterations % FDLayoutConstants.GRID_CALCULATION_CHECK_PERIOD == 1 && gridUpdateAllowed) {
+ this.updateGrid();
+ }
+
+ processedNodeSet = new Set();
+
+ // calculate repulsion forces between each nodes and its surrounding
+ for (i = 0; i < lNodes.length; i++) {
+ nodeA = lNodes[i];
+ this.calculateRepulsionForceOfANode(nodeA, processedNodeSet, gridUpdateAllowed, forceToNodeSurroundingUpdate);
+ processedNodeSet.add(nodeA);
+ }
+ } else {
+ for (i = 0; i < lNodes.length; i++) {
+ nodeA = lNodes[i];
+
+ for (j = i + 1; j < lNodes.length; j++) {
+ nodeB = lNodes[j];
+
+ // If both nodes are not members of the same graph, skip.
+ if (nodeA.getOwner() != nodeB.getOwner()) {
+ continue;
+ }
+
+ this.calcRepulsionForce(nodeA, nodeB);
+ }
+ }
+ }
+};
+
+FDLayout.prototype.calcGravitationalForces = function () {
+ var node;
+ var lNodes = this.getAllNodesToApplyGravitation();
+
+ for (var i = 0; i < lNodes.length; i++) {
+ node = lNodes[i];
+ this.calcGravitationalForce(node);
+ }
+};
+
+FDLayout.prototype.moveNodes = function () {
+ var lNodes = this.getAllNodes();
+ var node;
+
+ for (var i = 0; i < lNodes.length; i++) {
+ node = lNodes[i];
+ node.move();
+ }
+};
+
+FDLayout.prototype.calcSpringForce = function (edge, idealLength) {
+ var sourceNode = edge.getSource();
+ var targetNode = edge.getTarget();
+
+ var length;
+ var springForce;
+ var springForceX;
+ var springForceY;
+
+ // Update edge length
+ if (this.uniformLeafNodeSizes && sourceNode.getChild() == null && targetNode.getChild() == null) {
+ edge.updateLengthSimple();
+ } else {
+ edge.updateLength();
+
+ if (edge.isOverlapingSourceAndTarget) {
+ return;
+ }
+ }
+
+ length = edge.getLength();
+
+ if (length == 0) return;
+
+ // Calculate spring forces
+ springForce = edge.edgeElasticity * (length - idealLength);
+
+ // Project force onto x and y axes
+ springForceX = springForce * (edge.lengthX / length);
+ springForceY = springForce * (edge.lengthY / length);
+
+ // Apply forces on the end nodes
+ sourceNode.springForceX += springForceX;
+ sourceNode.springForceY += springForceY;
+ targetNode.springForceX -= springForceX;
+ targetNode.springForceY -= springForceY;
+};
+
+FDLayout.prototype.calcRepulsionForce = function (nodeA, nodeB) {
+ var rectA = nodeA.getRect();
+ var rectB = nodeB.getRect();
+ var overlapAmount = new Array(2);
+ var clipPoints = new Array(4);
+ var distanceX;
+ var distanceY;
+ var distanceSquared;
+ var distance;
+ var repulsionForce;
+ var repulsionForceX;
+ var repulsionForceY;
+
+ if (rectA.intersects(rectB)) // two nodes overlap
+ {
+ // calculate separation amount in x and y directions
+ IGeometry.calcSeparationAmount(rectA, rectB, overlapAmount, FDLayoutConstants.DEFAULT_EDGE_LENGTH / 2.0);
+
+ repulsionForceX = 2 * overlapAmount[0];
+ repulsionForceY = 2 * overlapAmount[1];
+
+ var childrenConstant = nodeA.noOfChildren * nodeB.noOfChildren / (nodeA.noOfChildren + nodeB.noOfChildren);
+
+ // Apply forces on the two nodes
+ nodeA.repulsionForceX -= childrenConstant * repulsionForceX;
+ nodeA.repulsionForceY -= childrenConstant * repulsionForceY;
+ nodeB.repulsionForceX += childrenConstant * repulsionForceX;
+ nodeB.repulsionForceY += childrenConstant * repulsionForceY;
+ } else // no overlap
+ {
+ // calculate distance
+
+ if (this.uniformLeafNodeSizes && nodeA.getChild() == null && nodeB.getChild() == null) // simply base repulsion on distance of node centers
+ {
+ distanceX = rectB.getCenterX() - rectA.getCenterX();
+ distanceY = rectB.getCenterY() - rectA.getCenterY();
+ } else // use clipping points
+ {
+ IGeometry.getIntersection(rectA, rectB, clipPoints);
+
+ distanceX = clipPoints[2] - clipPoints[0];
+ distanceY = clipPoints[3] - clipPoints[1];
+ }
+
+ // No repulsion range. FR grid variant should take care of this.
+ if (Math.abs(distanceX) < FDLayoutConstants.MIN_REPULSION_DIST) {
+ distanceX = IMath.sign(distanceX) * FDLayoutConstants.MIN_REPULSION_DIST;
+ }
+
+ if (Math.abs(distanceY) < FDLayoutConstants.MIN_REPULSION_DIST) {
+ distanceY = IMath.sign(distanceY) * FDLayoutConstants.MIN_REPULSION_DIST;
+ }
+
+ distanceSquared = distanceX * distanceX + distanceY * distanceY;
+ distance = Math.sqrt(distanceSquared);
+
+ // Here we use half of the nodes' repulsion values for backward compatibility
+ repulsionForce = (nodeA.nodeRepulsion / 2 + nodeB.nodeRepulsion / 2) * nodeA.noOfChildren * nodeB.noOfChildren / distanceSquared;
+
+ // Project force onto x and y axes
+ repulsionForceX = repulsionForce * distanceX / distance;
+ repulsionForceY = repulsionForce * distanceY / distance;
+
+ // Apply forces on the two nodes
+ nodeA.repulsionForceX -= repulsionForceX;
+ nodeA.repulsionForceY -= repulsionForceY;
+ nodeB.repulsionForceX += repulsionForceX;
+ nodeB.repulsionForceY += repulsionForceY;
+ }
+};
+
+FDLayout.prototype.calcGravitationalForce = function (node) {
+ var ownerGraph;
+ var ownerCenterX;
+ var ownerCenterY;
+ var distanceX;
+ var distanceY;
+ var absDistanceX;
+ var absDistanceY;
+ var estimatedSize;
+ ownerGraph = node.getOwner();
+
+ ownerCenterX = (ownerGraph.getRight() + ownerGraph.getLeft()) / 2;
+ ownerCenterY = (ownerGraph.getTop() + ownerGraph.getBottom()) / 2;
+ distanceX = node.getCenterX() - ownerCenterX;
+ distanceY = node.getCenterY() - ownerCenterY;
+ absDistanceX = Math.abs(distanceX) + node.getWidth() / 2;
+ absDistanceY = Math.abs(distanceY) + node.getHeight() / 2;
+
+ if (node.getOwner() == this.graphManager.getRoot()) // in the root graph
+ {
+ estimatedSize = ownerGraph.getEstimatedSize() * this.gravityRangeFactor;
+
+ if (absDistanceX > estimatedSize || absDistanceY > estimatedSize) {
+ node.gravitationForceX = -this.gravityConstant * distanceX;
+ node.gravitationForceY = -this.gravityConstant * distanceY;
+ }
+ } else // inside a compound
+ {
+ estimatedSize = ownerGraph.getEstimatedSize() * this.compoundGravityRangeFactor;
+
+ if (absDistanceX > estimatedSize || absDistanceY > estimatedSize) {
+ node.gravitationForceX = -this.gravityConstant * distanceX * this.compoundGravityConstant;
+ node.gravitationForceY = -this.gravityConstant * distanceY * this.compoundGravityConstant;
+ }
+ }
+};
+
+FDLayout.prototype.isConverged = function () {
+ var converged;
+ var oscilating = false;
+
+ if (this.totalIterations > this.maxIterations / 3) {
+ oscilating = Math.abs(this.totalDisplacement - this.oldTotalDisplacement) < 2;
+ }
+
+ converged = this.totalDisplacement < this.totalDisplacementThreshold;
+
+ this.oldTotalDisplacement = this.totalDisplacement;
+
+ return converged || oscilating;
+};
+
+FDLayout.prototype.animate = function () {
+ if (this.animationDuringLayout && !this.isSubLayout) {
+ if (this.notAnimatedIterations == this.animationPeriod) {
+ this.update();
+ this.notAnimatedIterations = 0;
+ } else {
+ this.notAnimatedIterations++;
+ }
+ }
+};
+
+//This method calculates the number of children (weight) for all nodes
+FDLayout.prototype.calcNoOfChildrenForAllNodes = function () {
+ var node;
+ var allNodes = this.graphManager.getAllNodes();
+
+ for (var i = 0; i < allNodes.length; i++) {
+ node = allNodes[i];
+ node.noOfChildren = node.getNoOfChildren();
+ }
+};
+
+// -----------------------------------------------------------------------------
+// Section: FR-Grid Variant Repulsion Force Calculation
+// -----------------------------------------------------------------------------
+
+FDLayout.prototype.calcGrid = function (graph) {
+
+ var sizeX = 0;
+ var sizeY = 0;
+
+ sizeX = parseInt(Math.ceil((graph.getRight() - graph.getLeft()) / this.repulsionRange));
+ sizeY = parseInt(Math.ceil((graph.getBottom() - graph.getTop()) / this.repulsionRange));
+
+ var grid = new Array(sizeX);
+
+ for (var i = 0; i < sizeX; i++) {
+ grid[i] = new Array(sizeY);
+ }
+
+ for (var i = 0; i < sizeX; i++) {
+ for (var j = 0; j < sizeY; j++) {
+ grid[i][j] = new Array();
+ }
+ }
+
+ return grid;
+};
+
+FDLayout.prototype.addNodeToGrid = function (v, left, top) {
+
+ var startX = 0;
+ var finishX = 0;
+ var startY = 0;
+ var finishY = 0;
+
+ startX = parseInt(Math.floor((v.getRect().x - left) / this.repulsionRange));
+ finishX = parseInt(Math.floor((v.getRect().width + v.getRect().x - left) / this.repulsionRange));
+ startY = parseInt(Math.floor((v.getRect().y - top) / this.repulsionRange));
+ finishY = parseInt(Math.floor((v.getRect().height + v.getRect().y - top) / this.repulsionRange));
+
+ for (var i = startX; i <= finishX; i++) {
+ for (var j = startY; j <= finishY; j++) {
+ this.grid[i][j].push(v);
+ v.setGridCoordinates(startX, finishX, startY, finishY);
+ }
+ }
+};
+
+FDLayout.prototype.updateGrid = function () {
+ var i;
+ var nodeA;
+ var lNodes = this.getAllNodes();
+
+ this.grid = this.calcGrid(this.graphManager.getRoot());
+
+ // put all nodes to proper grid cells
+ for (i = 0; i < lNodes.length; i++) {
+ nodeA = lNodes[i];
+ this.addNodeToGrid(nodeA, this.graphManager.getRoot().getLeft(), this.graphManager.getRoot().getTop());
+ }
+};
+
+FDLayout.prototype.calculateRepulsionForceOfANode = function (nodeA, processedNodeSet, gridUpdateAllowed, forceToNodeSurroundingUpdate) {
+
+ if (this.totalIterations % FDLayoutConstants.GRID_CALCULATION_CHECK_PERIOD == 1 && gridUpdateAllowed || forceToNodeSurroundingUpdate) {
+ var surrounding = new Set();
+ nodeA.surrounding = new Array();
+ var nodeB;
+ var grid = this.grid;
+
+ for (var i = nodeA.startX - 1; i < nodeA.finishX + 2; i++) {
+ for (var j = nodeA.startY - 1; j < nodeA.finishY + 2; j++) {
+ if (!(i < 0 || j < 0 || i >= grid.length || j >= grid[0].length)) {
+ for (var k = 0; k < grid[i][j].length; k++) {
+ nodeB = grid[i][j][k];
+
+ // If both nodes are not members of the same graph,
+ // or both nodes are the same, skip.
+ if (nodeA.getOwner() != nodeB.getOwner() || nodeA == nodeB) {
+ continue;
+ }
+
+ // check if the repulsion force between
+ // nodeA and nodeB has already been calculated
+ if (!processedNodeSet.has(nodeB) && !surrounding.has(nodeB)) {
+ var distanceX = Math.abs(nodeA.getCenterX() - nodeB.getCenterX()) - (nodeA.getWidth() / 2 + nodeB.getWidth() / 2);
+ var distanceY = Math.abs(nodeA.getCenterY() - nodeB.getCenterY()) - (nodeA.getHeight() / 2 + nodeB.getHeight() / 2);
+
+ // if the distance between nodeA and nodeB
+ // is less then calculation range
+ if (distanceX <= this.repulsionRange && distanceY <= this.repulsionRange) {
+ //then add nodeB to surrounding of nodeA
+ surrounding.add(nodeB);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ nodeA.surrounding = [].concat(_toConsumableArray(surrounding));
+ }
+ for (i = 0; i < nodeA.surrounding.length; i++) {
+ this.calcRepulsionForce(nodeA, nodeA.surrounding[i]);
+ }
+};
+
+FDLayout.prototype.calcRepulsionRange = function () {
+ return 0.0;
+};
+
+module.exports = FDLayout;
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LEdge = __webpack_require__(1);
+var FDLayoutConstants = __webpack_require__(4);
+
+function FDLayoutEdge(source, target, vEdge) {
+ LEdge.call(this, source, target, vEdge);
+
+ // Ideal length and elasticity value for this edge
+ this.idealLength = FDLayoutConstants.DEFAULT_EDGE_LENGTH;
+ this.edgeElasticity = FDLayoutConstants.DEFAULT_SPRING_STRENGTH;
+}
+
+FDLayoutEdge.prototype = Object.create(LEdge.prototype);
+
+for (var prop in LEdge) {
+ FDLayoutEdge[prop] = LEdge[prop];
+}
+
+module.exports = FDLayoutEdge;
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var LNode = __webpack_require__(3);
+var FDLayoutConstants = __webpack_require__(4);
+
+function FDLayoutNode(gm, loc, size, vNode) {
+ // alternative constructor is handled inside LNode
+ LNode.call(this, gm, loc, size, vNode);
+
+ // Repulsion value of this node
+ this.nodeRepulsion = FDLayoutConstants.DEFAULT_REPULSION_STRENGTH;
+
+ //Spring, repulsion and gravitational forces acting on this node
+ this.springForceX = 0;
+ this.springForceY = 0;
+ this.repulsionForceX = 0;
+ this.repulsionForceY = 0;
+ this.gravitationForceX = 0;
+ this.gravitationForceY = 0;
+ //Amount by which this node is to be moved in this iteration
+ this.displacementX = 0;
+ this.displacementY = 0;
+
+ //Start and finish grid coordinates that this node is fallen into
+ this.startX = 0;
+ this.finishX = 0;
+ this.startY = 0;
+ this.finishY = 0;
+
+ //Geometric neighbors of this node
+ this.surrounding = [];
+}
+
+FDLayoutNode.prototype = Object.create(LNode.prototype);
+
+for (var prop in LNode) {
+ FDLayoutNode[prop] = LNode[prop];
+}
+
+FDLayoutNode.prototype.setGridCoordinates = function (_startX, _finishX, _startY, _finishY) {
+ this.startX = _startX;
+ this.finishX = _finishX;
+ this.startY = _startY;
+ this.finishY = _finishY;
+};
+
+module.exports = FDLayoutNode;
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function DimensionD(width, height) {
+ this.width = 0;
+ this.height = 0;
+ if (width !== null && height !== null) {
+ this.height = height;
+ this.width = width;
+ }
+}
+
+DimensionD.prototype.getWidth = function () {
+ return this.width;
+};
+
+DimensionD.prototype.setWidth = function (width) {
+ this.width = width;
+};
+
+DimensionD.prototype.getHeight = function () {
+ return this.height;
+};
+
+DimensionD.prototype.setHeight = function (height) {
+ this.height = height;
+};
+
+module.exports = DimensionD;
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var UniqueIDGeneretor = __webpack_require__(14);
+
+function HashMap() {
+ this.map = {};
+ this.keys = [];
+}
+
+HashMap.prototype.put = function (key, value) {
+ var theId = UniqueIDGeneretor.createID(key);
+ if (!this.contains(theId)) {
+ this.map[theId] = value;
+ this.keys.push(key);
+ }
+};
+
+HashMap.prototype.contains = function (key) {
+ var theId = UniqueIDGeneretor.createID(key);
+ return this.map[key] != null;
+};
+
+HashMap.prototype.get = function (key) {
+ var theId = UniqueIDGeneretor.createID(key);
+ return this.map[theId];
+};
+
+HashMap.prototype.keySet = function () {
+ return this.keys;
+};
+
+module.exports = HashMap;
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var UniqueIDGeneretor = __webpack_require__(14);
+
+function HashSet() {
+ this.set = {};
+}
+;
+
+HashSet.prototype.add = function (obj) {
+ var theId = UniqueIDGeneretor.createID(obj);
+ if (!this.contains(theId)) this.set[theId] = obj;
+};
+
+HashSet.prototype.remove = function (obj) {
+ delete this.set[UniqueIDGeneretor.createID(obj)];
+};
+
+HashSet.prototype.clear = function () {
+ this.set = {};
+};
+
+HashSet.prototype.contains = function (obj) {
+ return this.set[UniqueIDGeneretor.createID(obj)] == obj;
+};
+
+HashSet.prototype.isEmpty = function () {
+ return this.size() === 0;
+};
+
+HashSet.prototype.size = function () {
+ return Object.keys(this.set).length;
+};
+
+//concats this.set to the given list
+HashSet.prototype.addAllTo = function (list) {
+ var keys = Object.keys(this.set);
+ var length = keys.length;
+ for (var i = 0; i < length; i++) {
+ list.push(this.set[keys[i]]);
+ }
+};
+
+HashSet.prototype.size = function () {
+ return Object.keys(this.set).length;
+};
+
+HashSet.prototype.addAll = function (list) {
+ var s = list.length;
+ for (var i = 0; i < s; i++) {
+ var v = list[i];
+ this.add(v);
+ }
+};
+
+module.exports = HashSet;
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+// Some matrix (1d and 2d array) operations
+function Matrix() {}
+
+/**
+ * matrix multiplication
+ * array1, array2 and result are 2d arrays
+ */
+Matrix.multMat = function (array1, array2) {
+ var result = [];
+
+ for (var i = 0; i < array1.length; i++) {
+ result[i] = [];
+ for (var j = 0; j < array2[0].length; j++) {
+ result[i][j] = 0;
+ for (var k = 0; k < array1[0].length; k++) {
+ result[i][j] += array1[i][k] * array2[k][j];
+ }
+ }
+ }
+ return result;
+};
+
+/**
+ * matrix transpose
+ * array and result are 2d arrays
+ */
+Matrix.transpose = function (array) {
+ var result = [];
+
+ for (var i = 0; i < array[0].length; i++) {
+ result[i] = [];
+ for (var j = 0; j < array.length; j++) {
+ result[i][j] = array[j][i];
+ }
+ }
+
+ return result;
+};
+
+/**
+ * multiply array with constant
+ * array and result are 1d arrays
+ */
+Matrix.multCons = function (array, constant) {
+ var result = [];
+
+ for (var i = 0; i < array.length; i++) {
+ result[i] = array[i] * constant;
+ }
+
+ return result;
+};
+
+/**
+ * substract two arrays
+ * array1, array2 and result are 1d arrays
+ */
+Matrix.minusOp = function (array1, array2) {
+ var result = [];
+
+ for (var i = 0; i < array1.length; i++) {
+ result[i] = array1[i] - array2[i];
+ }
+
+ return result;
+};
+
+/**
+ * dot product of two arrays with same size
+ * array1 and array2 are 1d arrays
+ */
+Matrix.dotProduct = function (array1, array2) {
+ var product = 0;
+
+ for (var i = 0; i < array1.length; i++) {
+ product += array1[i] * array2[i];
+ }
+
+ return product;
+};
+
+/**
+ * magnitude of an array
+ * array is 1d array
+ */
+Matrix.mag = function (array) {
+ return Math.sqrt(this.dotProduct(array, array));
+};
+
+/**
+ * normalization of an array
+ * array and result are 1d array
+ */
+Matrix.normalize = function (array) {
+ var result = [];
+ var magnitude = this.mag(array);
+
+ for (var i = 0; i < array.length; i++) {
+ result[i] = array[i] / magnitude;
+ }
+
+ return result;
+};
+
+/**
+ * multiply an array with centering matrix
+ * array and result are 1d array
+ */
+Matrix.multGamma = function (array) {
+ var result = [];
+ var sum = 0;
+
+ for (var i = 0; i < array.length; i++) {
+ sum += array[i];
+ }
+
+ sum *= -1 / array.length;
+
+ for (var _i = 0; _i < array.length; _i++) {
+ result[_i] = sum + array[_i];
+ }
+ return result;
+};
+
+/**
+ * a special matrix multiplication
+ * result = 0.5 * C * INV * C^T * array
+ * array and result are 1d, C and INV are 2d arrays
+ */
+Matrix.multL = function (array, C, INV) {
+ var result = [];
+ var temp1 = [];
+ var temp2 = [];
+
+ // multiply by C^T
+ for (var i = 0; i < C[0].length; i++) {
+ var sum = 0;
+ for (var j = 0; j < C.length; j++) {
+ sum += -0.5 * C[j][i] * array[j];
+ }
+ temp1[i] = sum;
+ }
+ // multiply the result by INV
+ for (var _i2 = 0; _i2 < INV.length; _i2++) {
+ var _sum = 0;
+ for (var _j = 0; _j < INV.length; _j++) {
+ _sum += INV[_i2][_j] * temp1[_j];
+ }
+ temp2[_i2] = _sum;
+ }
+ // multiply the result by C
+ for (var _i3 = 0; _i3 < C.length; _i3++) {
+ var _sum2 = 0;
+ for (var _j2 = 0; _j2 < C[0].length; _j2++) {
+ _sum2 += C[_i3][_j2] * temp2[_j2];
+ }
+ result[_i3] = _sum2;
+ }
+
+ return result;
+};
+
+module.exports = Matrix;
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+/**
+ * A classic Quicksort algorithm with Hoare's partition
+ * - Works also on LinkedList objects
+ *
+ * Copyright: i-Vis Research Group, Bilkent University, 2007 - present
+ */
+
+var LinkedList = __webpack_require__(11);
+
+var Quicksort = function () {
+ function Quicksort(A, compareFunction) {
+ _classCallCheck(this, Quicksort);
+
+ if (compareFunction !== null || compareFunction !== undefined) this.compareFunction = this._defaultCompareFunction;
+
+ var length = void 0;
+ if (A instanceof LinkedList) length = A.size();else length = A.length;
+
+ this._quicksort(A, 0, length - 1);
+ }
+
+ _createClass(Quicksort, [{
+ key: '_quicksort',
+ value: function _quicksort(A, p, r) {
+ if (p < r) {
+ var q = this._partition(A, p, r);
+ this._quicksort(A, p, q);
+ this._quicksort(A, q + 1, r);
+ }
+ }
+ }, {
+ key: '_partition',
+ value: function _partition(A, p, r) {
+ var x = this._get(A, p);
+ var i = p;
+ var j = r;
+ while (true) {
+ while (this.compareFunction(x, this._get(A, j))) {
+ j--;
+ }while (this.compareFunction(this._get(A, i), x)) {
+ i++;
+ }if (i < j) {
+ this._swap(A, i, j);
+ i++;
+ j--;
+ } else return j;
+ }
+ }
+ }, {
+ key: '_get',
+ value: function _get(object, index) {
+ if (object instanceof LinkedList) return object.get_object_at(index);else return object[index];
+ }
+ }, {
+ key: '_set',
+ value: function _set(object, index, value) {
+ if (object instanceof LinkedList) object.set_object_at(index, value);else object[index] = value;
+ }
+ }, {
+ key: '_swap',
+ value: function _swap(A, i, j) {
+ var temp = this._get(A, i);
+ this._set(A, i, this._get(A, j));
+ this._set(A, j, temp);
+ }
+ }, {
+ key: '_defaultCompareFunction',
+ value: function _defaultCompareFunction(a, b) {
+ return b > a;
+ }
+ }]);
+
+ return Quicksort;
+}();
+
+module.exports = Quicksort;
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+// Singular Value Decomposition implementation
+function SVD() {};
+
+/* Below singular value decomposition (svd) code including hypot function is adopted from https://github.com/dragonfly-ai/JamaJS
+ Some changes are applied to make the code compatible with the fcose code and to make it independent from Jama.
+ Input matrix is changed to a 2D array instead of Jama matrix. Matrix dimensions are taken according to 2D array instead of using Jama functions.
+ An object that includes singular value components is created for return.
+ The types of input parameters of the hypot function are removed.
+ let is used instead of var for the variable initialization.
+*/
+/*
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
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+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
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+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+ PARTICULAR PURPOSE. You are solely responsible for determining the
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
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+ 9. Accepting Warranty or Additional Liability. While redistributing
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+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
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+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
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+ END OF TERMS AND CONDITIONS
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+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "{}"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
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+ Copyright {yyyy} {name of copyright owner}
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
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+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
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+*/
+
+SVD.svd = function (A) {
+ this.U = null;
+ this.V = null;
+ this.s = null;
+ this.m = 0;
+ this.n = 0;
+ this.m = A.length;
+ this.n = A[0].length;
+ var nu = Math.min(this.m, this.n);
+ this.s = function (s) {
+ var a = [];
+ while (s-- > 0) {
+ a.push(0);
+ }return a;
+ }(Math.min(this.m + 1, this.n));
+ this.U = function (dims) {
+ var allocate = function allocate(dims) {
+ if (dims.length == 0) {
+ return 0;
+ } else {
+ var array = [];
+ for (var i = 0; i < dims[0]; i++) {
+ array.push(allocate(dims.slice(1)));
+ }
+ return array;
+ }
+ };
+ return allocate(dims);
+ }([this.m, nu]);
+ this.V = function (dims) {
+ var allocate = function allocate(dims) {
+ if (dims.length == 0) {
+ return 0;
+ } else {
+ var array = [];
+ for (var i = 0; i < dims[0]; i++) {
+ array.push(allocate(dims.slice(1)));
+ }
+ return array;
+ }
+ };
+ return allocate(dims);
+ }([this.n, this.n]);
+ var e = function (s) {
+ var a = [];
+ while (s-- > 0) {
+ a.push(0);
+ }return a;
+ }(this.n);
+ var work = function (s) {
+ var a = [];
+ while (s-- > 0) {
+ a.push(0);
+ }return a;
+ }(this.m);
+ var wantu = true;
+ var wantv = true;
+ var nct = Math.min(this.m - 1, this.n);
+ var nrt = Math.max(0, Math.min(this.n - 2, this.m));
+ for (var k = 0; k < Math.max(nct, nrt); k++) {
+ if (k < nct) {
+ this.s[k] = 0;
+ for (var i = k; i < this.m; i++) {
+ this.s[k] = SVD.hypot(this.s[k], A[i][k]);
+ }
+ ;
+ if (this.s[k] !== 0.0) {
+ if (A[k][k] < 0.0) {
+ this.s[k] = -this.s[k];
+ }
+ for (var _i = k; _i < this.m; _i++) {
+ A[_i][k] /= this.s[k];
+ }
+ ;
+ A[k][k] += 1.0;
+ }
+ this.s[k] = -this.s[k];
+ }
+ for (var j = k + 1; j < this.n; j++) {
+ if (function (lhs, rhs) {
+ return lhs && rhs;
+ }(k < nct, this.s[k] !== 0.0)) {
+ var t = 0;
+ for (var _i2 = k; _i2 < this.m; _i2++) {
+ t += A[_i2][k] * A[_i2][j];
+ }
+ ;
+ t = -t / A[k][k];
+ for (var _i3 = k; _i3 < this.m; _i3++) {
+ A[_i3][j] += t * A[_i3][k];
+ }
+ ;
+ }
+ e[j] = A[k][j];
+ }
+ ;
+ if (function (lhs, rhs) {
+ return lhs && rhs;
+ }(wantu, k < nct)) {
+ for (var _i4 = k; _i4 < this.m; _i4++) {
+ this.U[_i4][k] = A[_i4][k];
+ }
+ ;
+ }
+ if (k < nrt) {
+ e[k] = 0;
+ for (var _i5 = k + 1; _i5 < this.n; _i5++) {
+ e[k] = SVD.hypot(e[k], e[_i5]);
+ }
+ ;
+ if (e[k] !== 0.0) {
+ if (e[k + 1] < 0.0) {
+ e[k] = -e[k];
+ }
+ for (var _i6 = k + 1; _i6 < this.n; _i6++) {
+ e[_i6] /= e[k];
+ }
+ ;
+ e[k + 1] += 1.0;
+ }
+ e[k] = -e[k];
+ if (function (lhs, rhs) {
+ return lhs && rhs;
+ }(k + 1 < this.m, e[k] !== 0.0)) {
+ for (var _i7 = k + 1; _i7 < this.m; _i7++) {
+ work[_i7] = 0.0;
+ }
+ ;
+ for (var _j = k + 1; _j < this.n; _j++) {
+ for (var _i8 = k + 1; _i8 < this.m; _i8++) {
+ work[_i8] += e[_j] * A[_i8][_j];
+ }
+ ;
+ }
+ ;
+ for (var _j2 = k + 1; _j2 < this.n; _j2++) {
+ var _t = -e[_j2] / e[k + 1];
+ for (var _i9 = k + 1; _i9 < this.m; _i9++) {
+ A[_i9][_j2] += _t * work[_i9];
+ }
+ ;
+ }
+ ;
+ }
+ if (wantv) {
+ for (var _i10 = k + 1; _i10 < this.n; _i10++) {
+ this.V[_i10][k] = e[_i10];
+ };
+ }
+ }
+ };
+ var p = Math.min(this.n, this.m + 1);
+ if (nct < this.n) {
+ this.s[nct] = A[nct][nct];
+ }
+ if (this.m < p) {
+ this.s[p - 1] = 0.0;
+ }
+ if (nrt + 1 < p) {
+ e[nrt] = A[nrt][p - 1];
+ }
+ e[p - 1] = 0.0;
+ if (wantu) {
+ for (var _j3 = nct; _j3 < nu; _j3++) {
+ for (var _i11 = 0; _i11 < this.m; _i11++) {
+ this.U[_i11][_j3] = 0.0;
+ }
+ ;
+ this.U[_j3][_j3] = 1.0;
+ };
+ for (var _k = nct - 1; _k >= 0; _k--) {
+ if (this.s[_k] !== 0.0) {
+ for (var _j4 = _k + 1; _j4 < nu; _j4++) {
+ var _t2 = 0;
+ for (var _i12 = _k; _i12 < this.m; _i12++) {
+ _t2 += this.U[_i12][_k] * this.U[_i12][_j4];
+ };
+ _t2 = -_t2 / this.U[_k][_k];
+ for (var _i13 = _k; _i13 < this.m; _i13++) {
+ this.U[_i13][_j4] += _t2 * this.U[_i13][_k];
+ };
+ };
+ for (var _i14 = _k; _i14 < this.m; _i14++) {
+ this.U[_i14][_k] = -this.U[_i14][_k];
+ };
+ this.U[_k][_k] = 1.0 + this.U[_k][_k];
+ for (var _i15 = 0; _i15 < _k - 1; _i15++) {
+ this.U[_i15][_k] = 0.0;
+ };
+ } else {
+ for (var _i16 = 0; _i16 < this.m; _i16++) {
+ this.U[_i16][_k] = 0.0;
+ };
+ this.U[_k][_k] = 1.0;
+ }
+ };
+ }
+ if (wantv) {
+ for (var _k2 = this.n - 1; _k2 >= 0; _k2--) {
+ if (function (lhs, rhs) {
+ return lhs && rhs;
+ }(_k2 < nrt, e[_k2] !== 0.0)) {
+ for (var _j5 = _k2 + 1; _j5 < nu; _j5++) {
+ var _t3 = 0;
+ for (var _i17 = _k2 + 1; _i17 < this.n; _i17++) {
+ _t3 += this.V[_i17][_k2] * this.V[_i17][_j5];
+ };
+ _t3 = -_t3 / this.V[_k2 + 1][_k2];
+ for (var _i18 = _k2 + 1; _i18 < this.n; _i18++) {
+ this.V[_i18][_j5] += _t3 * this.V[_i18][_k2];
+ };
+ };
+ }
+ for (var _i19 = 0; _i19 < this.n; _i19++) {
+ this.V[_i19][_k2] = 0.0;
+ };
+ this.V[_k2][_k2] = 1.0;
+ };
+ }
+ var pp = p - 1;
+ var iter = 0;
+ var eps = Math.pow(2.0, -52.0);
+ var tiny = Math.pow(2.0, -966.0);
+ while (p > 0) {
+ var _k3 = void 0;
+ var kase = void 0;
+ for (_k3 = p - 2; _k3 >= -1; _k3--) {
+ if (_k3 === -1) {
+ break;
+ }
+ if (Math.abs(e[_k3]) <= tiny + eps * (Math.abs(this.s[_k3]) + Math.abs(this.s[_k3 + 1]))) {
+ e[_k3] = 0.0;
+ break;
+ }
+ };
+ if (_k3 === p - 2) {
+ kase = 4;
+ } else {
+ var ks = void 0;
+ for (ks = p - 1; ks >= _k3; ks--) {
+ if (ks === _k3) {
+ break;
+ }
+ var _t4 = (ks !== p ? Math.abs(e[ks]) : 0.0) + (ks !== _k3 + 1 ? Math.abs(e[ks - 1]) : 0.0);
+ if (Math.abs(this.s[ks]) <= tiny + eps * _t4) {
+ this.s[ks] = 0.0;
+ break;
+ }
+ };
+ if (ks === _k3) {
+ kase = 3;
+ } else if (ks === p - 1) {
+ kase = 1;
+ } else {
+ kase = 2;
+ _k3 = ks;
+ }
+ }
+ _k3++;
+ switch (kase) {
+ case 1:
+ {
+ var f = e[p - 2];
+ e[p - 2] = 0.0;
+ for (var _j6 = p - 2; _j6 >= _k3; _j6--) {
+ var _t5 = SVD.hypot(this.s[_j6], f);
+ var cs = this.s[_j6] / _t5;
+ var sn = f / _t5;
+ this.s[_j6] = _t5;
+ if (_j6 !== _k3) {
+ f = -sn * e[_j6 - 1];
+ e[_j6 - 1] = cs * e[_j6 - 1];
+ }
+ if (wantv) {
+ for (var _i20 = 0; _i20 < this.n; _i20++) {
+ _t5 = cs * this.V[_i20][_j6] + sn * this.V[_i20][p - 1];
+ this.V[_i20][p - 1] = -sn * this.V[_i20][_j6] + cs * this.V[_i20][p - 1];
+ this.V[_i20][_j6] = _t5;
+ };
+ }
+ };
+ };
+ break;
+ case 2:
+ {
+ var _f = e[_k3 - 1];
+ e[_k3 - 1] = 0.0;
+ for (var _j7 = _k3; _j7 < p; _j7++) {
+ var _t6 = SVD.hypot(this.s[_j7], _f);
+ var _cs = this.s[_j7] / _t6;
+ var _sn = _f / _t6;
+ this.s[_j7] = _t6;
+ _f = -_sn * e[_j7];
+ e[_j7] = _cs * e[_j7];
+ if (wantu) {
+ for (var _i21 = 0; _i21 < this.m; _i21++) {
+ _t6 = _cs * this.U[_i21][_j7] + _sn * this.U[_i21][_k3 - 1];
+ this.U[_i21][_k3 - 1] = -_sn * this.U[_i21][_j7] + _cs * this.U[_i21][_k3 - 1];
+ this.U[_i21][_j7] = _t6;
+ };
+ }
+ };
+ };
+ break;
+ case 3:
+ {
+ var scale = Math.max(Math.max(Math.max(Math.max(Math.abs(this.s[p - 1]), Math.abs(this.s[p - 2])), Math.abs(e[p - 2])), Math.abs(this.s[_k3])), Math.abs(e[_k3]));
+ var sp = this.s[p - 1] / scale;
+ var spm1 = this.s[p - 2] / scale;
+ var epm1 = e[p - 2] / scale;
+ var sk = this.s[_k3] / scale;
+ var ek = e[_k3] / scale;
+ var b = ((spm1 + sp) * (spm1 - sp) + epm1 * epm1) / 2.0;
+ var c = sp * epm1 * (sp * epm1);
+ var shift = 0.0;
+ if (function (lhs, rhs) {
+ return lhs || rhs;
+ }(b !== 0.0, c !== 0.0)) {
+ shift = Math.sqrt(b * b + c);
+ if (b < 0.0) {
+ shift = -shift;
+ }
+ shift = c / (b + shift);
+ }
+ var _f2 = (sk + sp) * (sk - sp) + shift;
+ var g = sk * ek;
+ for (var _j8 = _k3; _j8 < p - 1; _j8++) {
+ var _t7 = SVD.hypot(_f2, g);
+ var _cs2 = _f2 / _t7;
+ var _sn2 = g / _t7;
+ if (_j8 !== _k3) {
+ e[_j8 - 1] = _t7;
+ }
+ _f2 = _cs2 * this.s[_j8] + _sn2 * e[_j8];
+ e[_j8] = _cs2 * e[_j8] - _sn2 * this.s[_j8];
+ g = _sn2 * this.s[_j8 + 1];
+ this.s[_j8 + 1] = _cs2 * this.s[_j8 + 1];
+ if (wantv) {
+ for (var _i22 = 0; _i22 < this.n; _i22++) {
+ _t7 = _cs2 * this.V[_i22][_j8] + _sn2 * this.V[_i22][_j8 + 1];
+ this.V[_i22][_j8 + 1] = -_sn2 * this.V[_i22][_j8] + _cs2 * this.V[_i22][_j8 + 1];
+ this.V[_i22][_j8] = _t7;
+ };
+ }
+ _t7 = SVD.hypot(_f2, g);
+ _cs2 = _f2 / _t7;
+ _sn2 = g / _t7;
+ this.s[_j8] = _t7;
+ _f2 = _cs2 * e[_j8] + _sn2 * this.s[_j8 + 1];
+ this.s[_j8 + 1] = -_sn2 * e[_j8] + _cs2 * this.s[_j8 + 1];
+ g = _sn2 * e[_j8 + 1];
+ e[_j8 + 1] = _cs2 * e[_j8 + 1];
+ if (wantu && _j8 < this.m - 1) {
+ for (var _i23 = 0; _i23 < this.m; _i23++) {
+ _t7 = _cs2 * this.U[_i23][_j8] + _sn2 * this.U[_i23][_j8 + 1];
+ this.U[_i23][_j8 + 1] = -_sn2 * this.U[_i23][_j8] + _cs2 * this.U[_i23][_j8 + 1];
+ this.U[_i23][_j8] = _t7;
+ };
+ }
+ };
+ e[p - 2] = _f2;
+ iter = iter + 1;
+ };
+ break;
+ case 4:
+ {
+ if (this.s[_k3] <= 0.0) {
+ this.s[_k3] = this.s[_k3] < 0.0 ? -this.s[_k3] : 0.0;
+ if (wantv) {
+ for (var _i24 = 0; _i24 <= pp; _i24++) {
+ this.V[_i24][_k3] = -this.V[_i24][_k3];
+ };
+ }
+ }
+ while (_k3 < pp) {
+ if (this.s[_k3] >= this.s[_k3 + 1]) {
+ break;
+ }
+ var _t8 = this.s[_k3];
+ this.s[_k3] = this.s[_k3 + 1];
+ this.s[_k3 + 1] = _t8;
+ if (wantv && _k3 < this.n - 1) {
+ for (var _i25 = 0; _i25 < this.n; _i25++) {
+ _t8 = this.V[_i25][_k3 + 1];
+ this.V[_i25][_k3 + 1] = this.V[_i25][_k3];
+ this.V[_i25][_k3] = _t8;
+ };
+ }
+ if (wantu && _k3 < this.m - 1) {
+ for (var _i26 = 0; _i26 < this.m; _i26++) {
+ _t8 = this.U[_i26][_k3 + 1];
+ this.U[_i26][_k3 + 1] = this.U[_i26][_k3];
+ this.U[_i26][_k3] = _t8;
+ };
+ }
+ _k3++;
+ };
+ iter = 0;
+ p--;
+ };
+ break;
+ }
+ };
+ var result = { U: this.U, V: this.V, S: this.s };
+ return result;
+};
+
+// sqrt(a^2 + b^2) without under/overflow.
+SVD.hypot = function (a, b) {
+ var r = void 0;
+ if (Math.abs(a) > Math.abs(b)) {
+ r = b / a;
+ r = Math.abs(a) * Math.sqrt(1 + r * r);
+ } else if (b != 0) {
+ r = a / b;
+ r = Math.abs(b) * Math.sqrt(1 + r * r);
+ } else {
+ r = 0.0;
+ }
+ return r;
+};
+
+module.exports = SVD;
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+/**
+ * Needleman-Wunsch algorithm is an procedure to compute the optimal global alignment of two string
+ * sequences by S.B.Needleman and C.D.Wunsch (1970).
+ *
+ * Aside from the inputs, you can assign the scores for,
+ * - Match: The two characters at the current index are same.
+ * - Mismatch: The two characters at the current index are different.
+ * - Insertion/Deletion(gaps): The best alignment involves one letter aligning to a gap in the other string.
+ */
+
+var NeedlemanWunsch = function () {
+ function NeedlemanWunsch(sequence1, sequence2) {
+ var match_score = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+ var mismatch_penalty = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : -1;
+ var gap_penalty = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : -1;
+
+ _classCallCheck(this, NeedlemanWunsch);
+
+ this.sequence1 = sequence1;
+ this.sequence2 = sequence2;
+ this.match_score = match_score;
+ this.mismatch_penalty = mismatch_penalty;
+ this.gap_penalty = gap_penalty;
+
+ // Just the remove redundancy
+ this.iMax = sequence1.length + 1;
+ this.jMax = sequence2.length + 1;
+
+ // Grid matrix of scores
+ this.grid = new Array(this.iMax);
+ for (var i = 0; i < this.iMax; i++) {
+ this.grid[i] = new Array(this.jMax);
+
+ for (var j = 0; j < this.jMax; j++) {
+ this.grid[i][j] = 0;
+ }
+ }
+
+ // Traceback matrix (2D array, each cell is an array of boolean values for [`Diag`, `Up`, `Left`] positions)
+ this.tracebackGrid = new Array(this.iMax);
+ for (var _i = 0; _i < this.iMax; _i++) {
+ this.tracebackGrid[_i] = new Array(this.jMax);
+
+ for (var _j = 0; _j < this.jMax; _j++) {
+ this.tracebackGrid[_i][_j] = [null, null, null];
+ }
+ }
+
+ // The aligned sequences (return multiple possibilities)
+ this.alignments = [];
+
+ // Final alignment score
+ this.score = -1;
+
+ // Calculate scores and tracebacks
+ this.computeGrids();
+ }
+
+ _createClass(NeedlemanWunsch, [{
+ key: "getScore",
+ value: function getScore() {
+ return this.score;
+ }
+ }, {
+ key: "getAlignments",
+ value: function getAlignments() {
+ return this.alignments;
+ }
+
+ // Main dynamic programming procedure
+
+ }, {
+ key: "computeGrids",
+ value: function computeGrids() {
+ // Fill in the first row
+ for (var j = 1; j < this.jMax; j++) {
+ this.grid[0][j] = this.grid[0][j - 1] + this.gap_penalty;
+ this.tracebackGrid[0][j] = [false, false, true];
+ }
+
+ // Fill in the first column
+ for (var i = 1; i < this.iMax; i++) {
+ this.grid[i][0] = this.grid[i - 1][0] + this.gap_penalty;
+ this.tracebackGrid[i][0] = [false, true, false];
+ }
+
+ // Fill the rest of the grid
+ for (var _i2 = 1; _i2 < this.iMax; _i2++) {
+ for (var _j2 = 1; _j2 < this.jMax; _j2++) {
+ // Find the max score(s) among [`Diag`, `Up`, `Left`]
+ var diag = void 0;
+ if (this.sequence1[_i2 - 1] === this.sequence2[_j2 - 1]) diag = this.grid[_i2 - 1][_j2 - 1] + this.match_score;else diag = this.grid[_i2 - 1][_j2 - 1] + this.mismatch_penalty;
+
+ var up = this.grid[_i2 - 1][_j2] + this.gap_penalty;
+ var left = this.grid[_i2][_j2 - 1] + this.gap_penalty;
+
+ // If there exists multiple max values, capture them for multiple paths
+ var maxOf = [diag, up, left];
+ var indices = this.arrayAllMaxIndexes(maxOf);
+
+ // Update Grids
+ this.grid[_i2][_j2] = maxOf[indices[0]];
+ this.tracebackGrid[_i2][_j2] = [indices.includes(0), indices.includes(1), indices.includes(2)];
+ }
+ }
+
+ // Update alignment score
+ this.score = this.grid[this.iMax - 1][this.jMax - 1];
+ }
+
+ // Gets all possible valid sequence combinations
+
+ }, {
+ key: "alignmentTraceback",
+ value: function alignmentTraceback() {
+ var inProcessAlignments = [];
+
+ inProcessAlignments.push({ pos: [this.sequence1.length, this.sequence2.length],
+ seq1: "",
+ seq2: ""
+ });
+
+ while (inProcessAlignments[0]) {
+ var current = inProcessAlignments[0];
+ var directions = this.tracebackGrid[current.pos[0]][current.pos[1]];
+
+ if (directions[0]) {
+ inProcessAlignments.push({ pos: [current.pos[0] - 1, current.pos[1] - 1],
+ seq1: this.sequence1[current.pos[0] - 1] + current.seq1,
+ seq2: this.sequence2[current.pos[1] - 1] + current.seq2
+ });
+ }
+ if (directions[1]) {
+ inProcessAlignments.push({ pos: [current.pos[0] - 1, current.pos[1]],
+ seq1: this.sequence1[current.pos[0] - 1] + current.seq1,
+ seq2: '-' + current.seq2
+ });
+ }
+ if (directions[2]) {
+ inProcessAlignments.push({ pos: [current.pos[0], current.pos[1] - 1],
+ seq1: '-' + current.seq1,
+ seq2: this.sequence2[current.pos[1] - 1] + current.seq2
+ });
+ }
+
+ if (current.pos[0] === 0 && current.pos[1] === 0) this.alignments.push({ sequence1: current.seq1,
+ sequence2: current.seq2
+ });
+
+ inProcessAlignments.shift();
+ }
+
+ return this.alignments;
+ }
+
+ // Helper Functions
+
+ }, {
+ key: "getAllIndexes",
+ value: function getAllIndexes(arr, val) {
+ var indexes = [],
+ i = -1;
+ while ((i = arr.indexOf(val, i + 1)) !== -1) {
+ indexes.push(i);
+ }
+ return indexes;
+ }
+ }, {
+ key: "arrayAllMaxIndexes",
+ value: function arrayAllMaxIndexes(array) {
+ return this.getAllIndexes(array, Math.max.apply(null, array));
+ }
+ }]);
+
+ return NeedlemanWunsch;
+}();
+
+module.exports = NeedlemanWunsch;
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+var layoutBase = function layoutBase() {
+ return;
+};
+
+layoutBase.FDLayout = __webpack_require__(18);
+layoutBase.FDLayoutConstants = __webpack_require__(4);
+layoutBase.FDLayoutEdge = __webpack_require__(19);
+layoutBase.FDLayoutNode = __webpack_require__(20);
+layoutBase.DimensionD = __webpack_require__(21);
+layoutBase.HashMap = __webpack_require__(22);
+layoutBase.HashSet = __webpack_require__(23);
+layoutBase.IGeometry = __webpack_require__(8);
+layoutBase.IMath = __webpack_require__(9);
+layoutBase.Integer = __webpack_require__(10);
+layoutBase.Point = __webpack_require__(12);
+layoutBase.PointD = __webpack_require__(5);
+layoutBase.RandomSeed = __webpack_require__(16);
+layoutBase.RectangleD = __webpack_require__(13);
+layoutBase.Transform = __webpack_require__(17);
+layoutBase.UniqueIDGeneretor = __webpack_require__(14);
+layoutBase.Quicksort = __webpack_require__(25);
+layoutBase.LinkedList = __webpack_require__(11);
+layoutBase.LGraphObject = __webpack_require__(2);
+layoutBase.LGraph = __webpack_require__(6);
+layoutBase.LEdge = __webpack_require__(1);
+layoutBase.LGraphManager = __webpack_require__(7);
+layoutBase.LNode = __webpack_require__(3);
+layoutBase.Layout = __webpack_require__(15);
+layoutBase.LayoutConstants = __webpack_require__(0);
+layoutBase.NeedlemanWunsch = __webpack_require__(27);
+layoutBase.Matrix = __webpack_require__(24);
+layoutBase.SVD = __webpack_require__(26);
+
+module.exports = layoutBase;
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+
+function Emitter() {
+ this.listeners = [];
+}
+
+var p = Emitter.prototype;
+
+p.addListener = function (event, callback) {
+ this.listeners.push({
+ event: event,
+ callback: callback
+ });
+};
+
+p.removeListener = function (event, callback) {
+ for (var i = this.listeners.length; i >= 0; i--) {
+ var l = this.listeners[i];
+
+ if (l.event === event && l.callback === callback) {
+ this.listeners.splice(i, 1);
+ }
+ }
+};
+
+p.emit = function (event, data) {
+ for (var i = 0; i < this.listeners.length; i++) {
+ var l = this.listeners[i];
+
+ if (event === l.event) {
+ l.callback(data);
+ }
+ }
+};
+
+module.exports = Emitter;
+
+/***/ })
+/******/ ]);
+});
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/layout-schema.png b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/layout-schema.png
new file mode 100644
index 0000000000000000000000000000000000000000..3828e3a509812e304ad067ccb4cd23a0e0cd6b00
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/layout-schema.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d7f92a87b171942c13a63ee149c35d461aca4d6b2338da32ab9136a209fa1733
+size 107248
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/private/private.properties b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/private/private.properties
new file mode 100644
index 0000000000000000000000000000000000000000..3b1a22e6c97a8c2654cd087e610829a8b4eebdb8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/private/private.properties
@@ -0,0 +1 @@
+browser=Chrome.INTEGRATED
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/private/private.xml b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/private/private.xml
new file mode 100644
index 0000000000000000000000000000000000000000..8a1e68f7c7df5e8f52b390cacd91d0c5e55285b8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/private/private.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/project.properties b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/project.properties
new file mode 100644
index 0000000000000000000000000000000000000000..da97eba5689cca90e15d36e3313b84a7a7df27a4
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/project.properties
@@ -0,0 +1,3 @@
+files.encoding=UTF-8
+site.root.folder=
+source.folder=
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/project.xml b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/project.xml
new file mode 100644
index 0000000000000000000000000000000000000000..71c7a284d09c07c10313f548884f5887c005ae07
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/nbproject/project.xml
@@ -0,0 +1,9 @@
+
+
+ org.netbeans.modules.web.clientproject
+
+
+ layout-base
+
+
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/package.json b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..44534e7cb9e1807636e94dc51e95745022d56f65
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/package.json
@@ -0,0 +1,37 @@
+{
+ "name": "layout-base",
+ "version": "2.0.1",
+ "description": "Basic layout model and some utilities for Cytoscape.js layout extensions",
+ "main": "layout-base.js",
+ "scripts": {
+ "test": "echo \"Error: no test specified\" && exit 1",
+ "build": "cross-env NODE_ENV=production webpack"
+ },
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/iVis-at-Bilkent/layout-base.git"
+ },
+ "author": "",
+ "license": "MIT",
+ "bugs": {
+ "url": "https://github.com/iVis-at-Bilkent/layout-base/issues"
+ },
+ "homepage": "https://github.com/iVis-at-Bilkent/layout-base#readme",
+ "devDependencies": {
+ "babel-core": "^6.24.1",
+ "babel-loader": "^7.0.0",
+ "babel-preset-env": "^1.5.1",
+ "camelcase": "^4.1.0",
+ "cpy-cli": "^1.0.1",
+ "cross-env": "^5.1.6",
+ "eslint": "^3.19.0",
+ "gh-pages": "^1.1.0",
+ "npm-run-all": "^4.1.2",
+ "rimraf": "^2.6.2",
+ "update": "^0.7.4",
+ "updater-license": "^1.0.0",
+ "forever": "^0.15.3",
+ "webpack": "^2.6.1",
+ "webpack-dev-server": "^2.4.5"
+ }
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LEdge.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LEdge.js
new file mode 100644
index 0000000000000000000000000000000000000000..6905a1ceed2bac66dcc76fdbfd23f43915d739c6
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LEdge.js
@@ -0,0 +1,153 @@
+var LGraphObject = require('./LGraphObject');
+var IGeometry = require('./util/IGeometry');
+var IMath = require('./util/IMath');
+
+function LEdge(source, target, vEdge) {
+ LGraphObject.call(this, vEdge);
+
+ this.isOverlapingSourceAndTarget = false;
+ this.vGraphObject = vEdge;
+ this.bendpoints = [];
+ this.source = source;
+ this.target = target;
+}
+
+LEdge.prototype = Object.create(LGraphObject.prototype);
+
+for (var prop in LGraphObject) {
+ LEdge[prop] = LGraphObject[prop];
+}
+
+LEdge.prototype.getSource = function ()
+{
+ return this.source;
+};
+
+LEdge.prototype.getTarget = function ()
+{
+ return this.target;
+};
+
+LEdge.prototype.isInterGraph = function ()
+{
+ return this.isInterGraph;
+};
+
+LEdge.prototype.getLength = function ()
+{
+ return this.length;
+};
+
+LEdge.prototype.isOverlapingSourceAndTarget = function ()
+{
+ return this.isOverlapingSourceAndTarget;
+};
+
+LEdge.prototype.getBendpoints = function ()
+{
+ return this.bendpoints;
+};
+
+LEdge.prototype.getLca = function ()
+{
+ return this.lca;
+};
+
+LEdge.prototype.getSourceInLca = function ()
+{
+ return this.sourceInLca;
+};
+
+LEdge.prototype.getTargetInLca = function ()
+{
+ return this.targetInLca;
+};
+
+LEdge.prototype.getOtherEnd = function (node)
+{
+ if (this.source === node)
+ {
+ return this.target;
+ }
+ else if (this.target === node)
+ {
+ return this.source;
+ }
+ else
+ {
+ throw "Node is not incident with this edge";
+ }
+}
+
+LEdge.prototype.getOtherEndInGraph = function (node, graph)
+{
+ var otherEnd = this.getOtherEnd(node);
+ var root = graph.getGraphManager().getRoot();
+
+ while (true)
+ {
+ if (otherEnd.getOwner() == graph)
+ {
+ return otherEnd;
+ }
+
+ if (otherEnd.getOwner() == root)
+ {
+ break;
+ }
+
+ otherEnd = otherEnd.getOwner().getParent();
+ }
+
+ return null;
+};
+
+LEdge.prototype.updateLength = function ()
+{
+ var clipPointCoordinates = new Array(4);
+
+ this.isOverlapingSourceAndTarget =
+ IGeometry.getIntersection(this.target.getRect(),
+ this.source.getRect(),
+ clipPointCoordinates);
+
+ if (!this.isOverlapingSourceAndTarget)
+ {
+ this.lengthX = clipPointCoordinates[0] - clipPointCoordinates[2];
+ this.lengthY = clipPointCoordinates[1] - clipPointCoordinates[3];
+
+ if (Math.abs(this.lengthX) < 1.0)
+ {
+ this.lengthX = IMath.sign(this.lengthX);
+ }
+
+ if (Math.abs(this.lengthY) < 1.0)
+ {
+ this.lengthY = IMath.sign(this.lengthY);
+ }
+
+ this.length = Math.sqrt(
+ this.lengthX * this.lengthX + this.lengthY * this.lengthY);
+ }
+};
+
+LEdge.prototype.updateLengthSimple = function ()
+{
+ this.lengthX = this.target.getCenterX() - this.source.getCenterX();
+ this.lengthY = this.target.getCenterY() - this.source.getCenterY();
+
+ if (Math.abs(this.lengthX) < 1.0)
+ {
+ this.lengthX = IMath.sign(this.lengthX);
+ }
+
+ if (Math.abs(this.lengthY) < 1.0)
+ {
+ this.lengthY = IMath.sign(this.lengthY);
+ }
+
+ this.length = Math.sqrt(
+ this.lengthX * this.lengthX + this.lengthY * this.lengthY);
+}
+
+module.exports = LEdge;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraph.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraph.js
new file mode 100644
index 0000000000000000000000000000000000000000..93a237aeae95ff522a240bfa88b97eeb84a033d0
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraph.js
@@ -0,0 +1,477 @@
+var LGraphObject = require('./LGraphObject');
+var Integer = require('./util/Integer');
+var LayoutConstants = require('./LayoutConstants');
+var LGraphManager = require('./LGraphManager');
+var LNode = require('./LNode');
+var LEdge = require('./LEdge');
+var RectangleD = require('./util/RectangleD');
+var Point = require('./util/Point');
+var LinkedList = require('./util/LinkedList');
+
+function LGraph(parent, obj2, vGraph) {
+ LGraphObject.call(this, vGraph);
+ this.estimatedSize = Integer.MIN_VALUE;
+ this.margin = LayoutConstants.DEFAULT_GRAPH_MARGIN;
+ this.edges = [];
+ this.nodes = [];
+ this.isConnected = false;
+ this.parent = parent;
+
+ if (obj2 != null && obj2 instanceof LGraphManager) {
+ this.graphManager = obj2;
+ }
+ else if (obj2 != null && obj2 instanceof Layout) {
+ this.graphManager = obj2.graphManager;
+ }
+}
+
+LGraph.prototype = Object.create(LGraphObject.prototype);
+for (var prop in LGraphObject) {
+ LGraph[prop] = LGraphObject[prop];
+}
+
+LGraph.prototype.getNodes = function () {
+ return this.nodes;
+};
+
+LGraph.prototype.getEdges = function () {
+ return this.edges;
+};
+
+LGraph.prototype.getGraphManager = function ()
+{
+ return this.graphManager;
+};
+
+LGraph.prototype.getParent = function ()
+{
+ return this.parent;
+};
+
+LGraph.prototype.getLeft = function ()
+{
+ return this.left;
+};
+
+LGraph.prototype.getRight = function ()
+{
+ return this.right;
+};
+
+LGraph.prototype.getTop = function ()
+{
+ return this.top;
+};
+
+LGraph.prototype.getBottom = function ()
+{
+ return this.bottom;
+};
+
+LGraph.prototype.isConnected = function ()
+{
+ return this.isConnected;
+};
+
+LGraph.prototype.add = function (obj1, sourceNode, targetNode) {
+ if (sourceNode == null && targetNode == null) {
+ var newNode = obj1;
+ if (this.graphManager == null) {
+ throw "Graph has no graph mgr!";
+ }
+ if (this.getNodes().indexOf(newNode) > -1) {
+ throw "Node already in graph!";
+ }
+ newNode.owner = this;
+ this.getNodes().push(newNode);
+
+ return newNode;
+ }
+ else {
+ var newEdge = obj1;
+ if (!(this.getNodes().indexOf(sourceNode) > -1 && (this.getNodes().indexOf(targetNode)) > -1)) {
+ throw "Source or target not in graph!";
+ }
+
+ if (!(sourceNode.owner == targetNode.owner && sourceNode.owner == this)) {
+ throw "Both owners must be this graph!";
+ }
+
+ if (sourceNode.owner != targetNode.owner)
+ {
+ return null;
+ }
+
+ // set source and target
+ newEdge.source = sourceNode;
+ newEdge.target = targetNode;
+
+ // set as intra-graph edge
+ newEdge.isInterGraph = false;
+
+ // add to graph edge list
+ this.getEdges().push(newEdge);
+
+ // add to incidency lists
+ sourceNode.edges.push(newEdge);
+
+ if (targetNode != sourceNode)
+ {
+ targetNode.edges.push(newEdge);
+ }
+
+ return newEdge;
+ }
+};
+
+LGraph.prototype.remove = function (obj) {
+ var node = obj;
+ if (obj instanceof LNode) {
+ if (node == null) {
+ throw "Node is null!";
+ }
+ if (!(node.owner != null && node.owner == this)) {
+ throw "Owner graph is invalid!";
+ }
+ if (this.graphManager == null) {
+ throw "Owner graph manager is invalid!";
+ }
+ // remove incident edges first (make a copy to do it safely)
+ var edgesToBeRemoved = node.edges.slice();
+ var edge;
+ var s = edgesToBeRemoved.length;
+ for (var i = 0; i < s; i++)
+ {
+ edge = edgesToBeRemoved[i];
+
+ if (edge.isInterGraph)
+ {
+ this.graphManager.remove(edge);
+ }
+ else
+ {
+ edge.source.owner.remove(edge);
+ }
+ }
+
+ // now the node itself
+ var index = this.nodes.indexOf(node);
+ if (index == -1) {
+ throw "Node not in owner node list!";
+ }
+
+ this.nodes.splice(index, 1);
+ }
+ else if (obj instanceof LEdge) {
+ var edge = obj;
+ if (edge == null) {
+ throw "Edge is null!";
+ }
+ if (!(edge.source != null && edge.target != null)) {
+ throw "Source and/or target is null!";
+ }
+ if (!(edge.source.owner != null && edge.target.owner != null &&
+ edge.source.owner == this && edge.target.owner == this)) {
+ throw "Source and/or target owner is invalid!";
+ }
+
+ var sourceIndex = edge.source.edges.indexOf(edge);
+ var targetIndex = edge.target.edges.indexOf(edge);
+ if (!(sourceIndex > -1 && targetIndex > -1)) {
+ throw "Source and/or target doesn't know this edge!";
+ }
+
+ edge.source.edges.splice(sourceIndex, 1);
+
+ if (edge.target != edge.source)
+ {
+ edge.target.edges.splice(targetIndex, 1);
+ }
+
+ var index = edge.source.owner.getEdges().indexOf(edge);
+ if (index == -1) {
+ throw "Not in owner's edge list!";
+ }
+
+ edge.source.owner.getEdges().splice(index, 1);
+ }
+};
+
+LGraph.prototype.updateLeftTop = function ()
+{
+ var top = Integer.MAX_VALUE;
+ var left = Integer.MAX_VALUE;
+ var nodeTop;
+ var nodeLeft;
+ var margin;
+
+ var nodes = this.getNodes();
+ var s = nodes.length;
+
+ for (var i = 0; i < s; i++)
+ {
+ var lNode = nodes[i];
+ nodeTop = lNode.getTop();
+ nodeLeft = lNode.getLeft();
+
+ if (top > nodeTop)
+ {
+ top = nodeTop;
+ }
+
+ if (left > nodeLeft)
+ {
+ left = nodeLeft;
+ }
+ }
+
+ // Do we have any nodes in this graph?
+ if (top == Integer.MAX_VALUE)
+ {
+ return null;
+ }
+
+ if(nodes[0].getParent().paddingLeft != undefined){
+ margin = nodes[0].getParent().paddingLeft;
+ }
+ else{
+ margin = this.margin;
+ }
+
+ this.left = left - margin;
+ this.top = top - margin;
+
+ // Apply the margins and return the result
+ return new Point(this.left, this.top);
+};
+
+LGraph.prototype.updateBounds = function (recursive)
+{
+ // calculate bounds
+ var left = Integer.MAX_VALUE;
+ var right = -Integer.MAX_VALUE;
+ var top = Integer.MAX_VALUE;
+ var bottom = -Integer.MAX_VALUE;
+ var nodeLeft;
+ var nodeRight;
+ var nodeTop;
+ var nodeBottom;
+ var margin;
+
+ var nodes = this.nodes;
+ var s = nodes.length;
+ for (var i = 0; i < s; i++)
+ {
+ var lNode = nodes[i];
+
+ if (recursive && lNode.child != null)
+ {
+ lNode.updateBounds();
+ }
+ nodeLeft = lNode.getLeft();
+ nodeRight = lNode.getRight();
+ nodeTop = lNode.getTop();
+ nodeBottom = lNode.getBottom();
+
+ if (left > nodeLeft)
+ {
+ left = nodeLeft;
+ }
+
+ if (right < nodeRight)
+ {
+ right = nodeRight;
+ }
+
+ if (top > nodeTop)
+ {
+ top = nodeTop;
+ }
+
+ if (bottom < nodeBottom)
+ {
+ bottom = nodeBottom;
+ }
+ }
+
+ var boundingRect = new RectangleD(left, top, right - left, bottom - top);
+ if (left == Integer.MAX_VALUE)
+ {
+ this.left = this.parent.getLeft();
+ this.right = this.parent.getRight();
+ this.top = this.parent.getTop();
+ this.bottom = this.parent.getBottom();
+ }
+
+ if(nodes[0].getParent().paddingLeft != undefined){
+ margin = nodes[0].getParent().paddingLeft;
+ }
+ else{
+ margin = this.margin;
+ }
+
+ this.left = boundingRect.x - margin;
+ this.right = boundingRect.x + boundingRect.width + margin;
+ this.top = boundingRect.y - margin;
+ this.bottom = boundingRect.y + boundingRect.height + margin;
+};
+
+LGraph.calculateBounds = function (nodes)
+{
+ var left = Integer.MAX_VALUE;
+ var right = -Integer.MAX_VALUE;
+ var top = Integer.MAX_VALUE;
+ var bottom = -Integer.MAX_VALUE;
+ var nodeLeft;
+ var nodeRight;
+ var nodeTop;
+ var nodeBottom;
+
+ var s = nodes.length;
+
+ for (var i = 0; i < s; i++)
+ {
+ var lNode = nodes[i];
+ nodeLeft = lNode.getLeft();
+ nodeRight = lNode.getRight();
+ nodeTop = lNode.getTop();
+ nodeBottom = lNode.getBottom();
+
+ if (left > nodeLeft)
+ {
+ left = nodeLeft;
+ }
+
+ if (right < nodeRight)
+ {
+ right = nodeRight;
+ }
+
+ if (top > nodeTop)
+ {
+ top = nodeTop;
+ }
+
+ if (bottom < nodeBottom)
+ {
+ bottom = nodeBottom;
+ }
+ }
+
+ var boundingRect = new RectangleD(left, top, right - left, bottom - top);
+
+ return boundingRect;
+};
+
+LGraph.prototype.getInclusionTreeDepth = function ()
+{
+ if (this == this.graphManager.getRoot())
+ {
+ return 1;
+ }
+ else
+ {
+ return this.parent.getInclusionTreeDepth();
+ }
+};
+
+LGraph.prototype.getEstimatedSize = function ()
+{
+ if (this.estimatedSize == Integer.MIN_VALUE) {
+ throw "assert failed";
+ }
+ return this.estimatedSize;
+};
+
+LGraph.prototype.calcEstimatedSize = function ()
+{
+ var size = 0;
+ var nodes = this.nodes;
+ var s = nodes.length;
+
+ for (var i = 0; i < s; i++)
+ {
+ var lNode = nodes[i];
+ size += lNode.calcEstimatedSize();
+ }
+
+ if (size == 0)
+ {
+ this.estimatedSize = LayoutConstants.EMPTY_COMPOUND_NODE_SIZE;
+ }
+ else
+ {
+ this.estimatedSize = size / Math.sqrt(this.nodes.length);
+ }
+
+ return this.estimatedSize;
+};
+
+LGraph.prototype.updateConnected = function ()
+{
+ var self = this;
+ if (this.nodes.length == 0)
+ {
+ this.isConnected = true;
+ return;
+ }
+
+ var queue = new LinkedList();
+ var visited = new Set();
+ var currentNode = this.nodes[0];
+ var neighborEdges;
+ var currentNeighbor;
+ var childrenOfNode = currentNode.withChildren();
+ childrenOfNode.forEach(function(node) {
+ queue.push(node);
+ visited.add(node);
+ });
+
+ while (queue.length !== 0)
+ {
+ currentNode = queue.shift();
+
+ // Traverse all neighbors of this node
+ neighborEdges = currentNode.getEdges();
+ var size = neighborEdges.length;
+ for (var i = 0; i < size; i++)
+ {
+ var neighborEdge = neighborEdges[i];
+ currentNeighbor =
+ neighborEdge.getOtherEndInGraph(currentNode, this);
+
+ // Add unvisited neighbors to the list to visit
+ if (currentNeighbor != null &&
+ !visited.has(currentNeighbor))
+ {
+ var childrenOfNeighbor = currentNeighbor.withChildren();
+
+ childrenOfNeighbor.forEach(function(node) {
+ queue.push(node);
+ visited.add(node);
+ });
+ }
+ }
+ }
+
+ this.isConnected = false;
+
+ if (visited.size >= this.nodes.length)
+ {
+ var noOfVisitedInThisGraph = 0;
+
+ visited.forEach(function(visitedNode) {
+ if (visitedNode.owner == self)
+ {
+ noOfVisitedInThisGraph++;
+ }
+ });
+
+ if (noOfVisitedInThisGraph == this.nodes.length)
+ {
+ this.isConnected = true;
+ }
+ }
+};
+
+module.exports = LGraph;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraphManager.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraphManager.js
new file mode 100644
index 0000000000000000000000000000000000000000..f6da40d825037644ebe94506d098b4bd23ce802e
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraphManager.js
@@ -0,0 +1,500 @@
+var LGraph;
+var LEdge = require('./LEdge');
+
+function LGraphManager(layout) {
+ LGraph = require('./LGraph'); // It may be better to initilize this out of this function but it gives an error (Right-hand side of 'instanceof' is not callable) now.
+ this.layout = layout;
+
+ this.graphs = [];
+ this.edges = [];
+}
+
+LGraphManager.prototype.addRoot = function ()
+{
+ var ngraph = this.layout.newGraph();
+ var nnode = this.layout.newNode(null);
+ var root = this.add(ngraph, nnode);
+ this.setRootGraph(root);
+ return this.rootGraph;
+};
+
+LGraphManager.prototype.add = function (newGraph, parentNode, newEdge, sourceNode, targetNode)
+{
+ //there are just 2 parameters are passed then it adds an LGraph else it adds an LEdge
+ if (newEdge == null && sourceNode == null && targetNode == null) {
+ if (newGraph == null) {
+ throw "Graph is null!";
+ }
+ if (parentNode == null) {
+ throw "Parent node is null!";
+ }
+ if (this.graphs.indexOf(newGraph) > -1) {
+ throw "Graph already in this graph mgr!";
+ }
+
+ this.graphs.push(newGraph);
+
+ if (newGraph.parent != null) {
+ throw "Already has a parent!";
+ }
+ if (parentNode.child != null) {
+ throw "Already has a child!";
+ }
+
+ newGraph.parent = parentNode;
+ parentNode.child = newGraph;
+
+ return newGraph;
+ }
+ else {
+ //change the order of the parameters
+ targetNode = newEdge;
+ sourceNode = parentNode;
+ newEdge = newGraph;
+ var sourceGraph = sourceNode.getOwner();
+ var targetGraph = targetNode.getOwner();
+
+ if (!(sourceGraph != null && sourceGraph.getGraphManager() == this)) {
+ throw "Source not in this graph mgr!";
+ }
+ if (!(targetGraph != null && targetGraph.getGraphManager() == this)) {
+ throw "Target not in this graph mgr!";
+ }
+
+ if (sourceGraph == targetGraph)
+ {
+ newEdge.isInterGraph = false;
+ return sourceGraph.add(newEdge, sourceNode, targetNode);
+ }
+ else
+ {
+ newEdge.isInterGraph = true;
+
+ // set source and target
+ newEdge.source = sourceNode;
+ newEdge.target = targetNode;
+
+ // add edge to inter-graph edge list
+ if (this.edges.indexOf(newEdge) > -1) {
+ throw "Edge already in inter-graph edge list!";
+ }
+
+ this.edges.push(newEdge);
+
+ // add edge to source and target incidency lists
+ if (!(newEdge.source != null && newEdge.target != null)) {
+ throw "Edge source and/or target is null!";
+ }
+
+ if (!(newEdge.source.edges.indexOf(newEdge) == -1 && newEdge.target.edges.indexOf(newEdge) == -1)) {
+ throw "Edge already in source and/or target incidency list!";
+ }
+
+ newEdge.source.edges.push(newEdge);
+ newEdge.target.edges.push(newEdge);
+
+ return newEdge;
+ }
+ }
+};
+
+LGraphManager.prototype.remove = function (lObj) {
+ if (lObj instanceof LGraph) {
+ var graph = lObj;
+ if (graph.getGraphManager() != this) {
+ throw "Graph not in this graph mgr";
+ }
+ if (!(graph == this.rootGraph || (graph.parent != null && graph.parent.graphManager == this))) {
+ throw "Invalid parent node!";
+ }
+
+ // first the edges (make a copy to do it safely)
+ var edgesToBeRemoved = [];
+
+ edgesToBeRemoved = edgesToBeRemoved.concat(graph.getEdges());
+
+ var edge;
+ var s = edgesToBeRemoved.length;
+ for (var i = 0; i < s; i++)
+ {
+ edge = edgesToBeRemoved[i];
+ graph.remove(edge);
+ }
+
+ // then the nodes (make a copy to do it safely)
+ var nodesToBeRemoved = [];
+
+ nodesToBeRemoved = nodesToBeRemoved.concat(graph.getNodes());
+
+ var node;
+ s = nodesToBeRemoved.length;
+ for (var i = 0; i < s; i++)
+ {
+ node = nodesToBeRemoved[i];
+ graph.remove(node);
+ }
+
+ // check if graph is the root
+ if (graph == this.rootGraph)
+ {
+ this.setRootGraph(null);
+ }
+
+ // now remove the graph itself
+ var index = this.graphs.indexOf(graph);
+ this.graphs.splice(index, 1);
+
+ // also reset the parent of the graph
+ graph.parent = null;
+ }
+ else if (lObj instanceof LEdge) {
+ edge = lObj;
+ if (edge == null) {
+ throw "Edge is null!";
+ }
+ if (!edge.isInterGraph) {
+ throw "Not an inter-graph edge!";
+ }
+ if (!(edge.source != null && edge.target != null)) {
+ throw "Source and/or target is null!";
+ }
+
+ // remove edge from source and target nodes' incidency lists
+
+ if (!(edge.source.edges.indexOf(edge) != -1 && edge.target.edges.indexOf(edge) != -1)) {
+ throw "Source and/or target doesn't know this edge!";
+ }
+
+ var index = edge.source.edges.indexOf(edge);
+ edge.source.edges.splice(index, 1);
+ index = edge.target.edges.indexOf(edge);
+ edge.target.edges.splice(index, 1);
+
+ // remove edge from owner graph manager's inter-graph edge list
+
+ if (!(edge.source.owner != null && edge.source.owner.getGraphManager() != null)) {
+ throw "Edge owner graph or owner graph manager is null!";
+ }
+ if (edge.source.owner.getGraphManager().edges.indexOf(edge) == -1) {
+ throw "Not in owner graph manager's edge list!";
+ }
+
+ var index = edge.source.owner.getGraphManager().edges.indexOf(edge);
+ edge.source.owner.getGraphManager().edges.splice(index, 1);
+ }
+};
+
+LGraphManager.prototype.updateBounds = function ()
+{
+ this.rootGraph.updateBounds(true);
+};
+
+LGraphManager.prototype.getGraphs = function ()
+{
+ return this.graphs;
+};
+
+LGraphManager.prototype.getAllNodes = function ()
+{
+ if (this.allNodes == null)
+ {
+ var nodeList = [];
+ var graphs = this.getGraphs();
+ var s = graphs.length;
+ for (var i = 0; i < s; i++)
+ {
+ nodeList = nodeList.concat(graphs[i].getNodes());
+ }
+ this.allNodes = nodeList;
+ }
+ return this.allNodes;
+};
+
+LGraphManager.prototype.resetAllNodes = function ()
+{
+ this.allNodes = null;
+};
+
+LGraphManager.prototype.resetAllEdges = function ()
+{
+ this.allEdges = null;
+};
+
+LGraphManager.prototype.resetAllNodesToApplyGravitation = function ()
+{
+ this.allNodesToApplyGravitation = null;
+};
+
+LGraphManager.prototype.getAllEdges = function ()
+{
+ if (this.allEdges == null)
+ {
+ var edgeList = [];
+ var graphs = this.getGraphs();
+ var s = graphs.length;
+ for (var i = 0; i < graphs.length; i++)
+ {
+ edgeList = edgeList.concat(graphs[i].getEdges());
+ }
+
+ edgeList = edgeList.concat(this.edges);
+
+ this.allEdges = edgeList;
+ }
+ return this.allEdges;
+};
+
+LGraphManager.prototype.getAllNodesToApplyGravitation = function ()
+{
+ return this.allNodesToApplyGravitation;
+};
+
+LGraphManager.prototype.setAllNodesToApplyGravitation = function (nodeList)
+{
+ if (this.allNodesToApplyGravitation != null) {
+ throw "assert failed";
+ }
+
+ this.allNodesToApplyGravitation = nodeList;
+};
+
+LGraphManager.prototype.getRoot = function ()
+{
+ return this.rootGraph;
+};
+
+LGraphManager.prototype.setRootGraph = function (graph)
+{
+ if (graph.getGraphManager() != this) {
+ throw "Root not in this graph mgr!";
+ }
+
+ this.rootGraph = graph;
+ // root graph must have a root node associated with it for convenience
+ if (graph.parent == null)
+ {
+ graph.parent = this.layout.newNode("Root node");
+ }
+};
+
+LGraphManager.prototype.getLayout = function ()
+{
+ return this.layout;
+};
+
+LGraphManager.prototype.isOneAncestorOfOther = function (firstNode, secondNode)
+{
+ if (!(firstNode != null && secondNode != null)) {
+ throw "assert failed";
+ }
+
+ if (firstNode == secondNode)
+ {
+ return true;
+ }
+ // Is second node an ancestor of the first one?
+ var ownerGraph = firstNode.getOwner();
+ var parentNode;
+
+ do
+ {
+ parentNode = ownerGraph.getParent();
+
+ if (parentNode == null)
+ {
+ break;
+ }
+
+ if (parentNode == secondNode)
+ {
+ return true;
+ }
+
+ ownerGraph = parentNode.getOwner();
+ if (ownerGraph == null)
+ {
+ break;
+ }
+ } while (true);
+ // Is first node an ancestor of the second one?
+ ownerGraph = secondNode.getOwner();
+
+ do
+ {
+ parentNode = ownerGraph.getParent();
+
+ if (parentNode == null)
+ {
+ break;
+ }
+
+ if (parentNode == firstNode)
+ {
+ return true;
+ }
+
+ ownerGraph = parentNode.getOwner();
+ if (ownerGraph == null)
+ {
+ break;
+ }
+ } while (true);
+
+ return false;
+};
+
+LGraphManager.prototype.calcLowestCommonAncestors = function ()
+{
+ var edge;
+ var sourceNode;
+ var targetNode;
+ var sourceAncestorGraph;
+ var targetAncestorGraph;
+
+ var edges = this.getAllEdges();
+ var s = edges.length;
+ for (var i = 0; i < s; i++)
+ {
+ edge = edges[i];
+
+ sourceNode = edge.source;
+ targetNode = edge.target;
+ edge.lca = null;
+ edge.sourceInLca = sourceNode;
+ edge.targetInLca = targetNode;
+
+ if (sourceNode == targetNode)
+ {
+ edge.lca = sourceNode.getOwner();
+ continue;
+ }
+
+ sourceAncestorGraph = sourceNode.getOwner();
+
+ while (edge.lca == null)
+ {
+ edge.targetInLca = targetNode;
+ targetAncestorGraph = targetNode.getOwner();
+
+ while (edge.lca == null)
+ {
+ if (targetAncestorGraph == sourceAncestorGraph)
+ {
+ edge.lca = targetAncestorGraph;
+ break;
+ }
+
+ if (targetAncestorGraph == this.rootGraph)
+ {
+ break;
+ }
+
+ if (edge.lca != null) {
+ throw "assert failed";
+ }
+ edge.targetInLca = targetAncestorGraph.getParent();
+ targetAncestorGraph = edge.targetInLca.getOwner();
+ }
+
+ if (sourceAncestorGraph == this.rootGraph)
+ {
+ break;
+ }
+
+ if (edge.lca == null)
+ {
+ edge.sourceInLca = sourceAncestorGraph.getParent();
+ sourceAncestorGraph = edge.sourceInLca.getOwner();
+ }
+ }
+
+ if (edge.lca == null) {
+ throw "assert failed";
+ }
+ }
+};
+
+LGraphManager.prototype.calcLowestCommonAncestor = function (firstNode, secondNode)
+{
+ if (firstNode == secondNode)
+ {
+ return firstNode.getOwner();
+ }
+ var firstOwnerGraph = firstNode.getOwner();
+
+ do
+ {
+ if (firstOwnerGraph == null)
+ {
+ break;
+ }
+ var secondOwnerGraph = secondNode.getOwner();
+
+ do
+ {
+ if (secondOwnerGraph == null)
+ {
+ break;
+ }
+
+ if (secondOwnerGraph == firstOwnerGraph)
+ {
+ return secondOwnerGraph;
+ }
+ secondOwnerGraph = secondOwnerGraph.getParent().getOwner();
+ } while (true);
+
+ firstOwnerGraph = firstOwnerGraph.getParent().getOwner();
+ } while (true);
+
+ return firstOwnerGraph;
+};
+
+LGraphManager.prototype.calcInclusionTreeDepths = function (graph, depth) {
+ if (graph == null && depth == null) {
+ graph = this.rootGraph;
+ depth = 1;
+ }
+ var node;
+
+ var nodes = graph.getNodes();
+ var s = nodes.length;
+ for (var i = 0; i < s; i++)
+ {
+ node = nodes[i];
+ node.inclusionTreeDepth = depth;
+
+ if (node.child != null)
+ {
+ this.calcInclusionTreeDepths(node.child, depth + 1);
+ }
+ }
+};
+
+LGraphManager.prototype.includesInvalidEdge = function ()
+{
+ var edge;
+ var edgesToRemove = [];
+
+ var s = this.edges.length;
+ for (var i = 0; i < s; i++)
+ {
+ edge = this.edges[i];
+
+ if (this.isOneAncestorOfOther(edge.source, edge.target))
+ {
+ edgesToRemove.push(edge);
+ }
+ }
+
+ // Remove invalid edges from graph manager
+ for (var i = 0; i < edgesToRemove.length; i++)
+ {
+ this.remove(edgesToRemove[i]);
+ }
+
+ // Invalid edges are cleared, so return false
+ return false;
+};
+
+module.exports = LGraphManager;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraphObject.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraphObject.js
new file mode 100644
index 0000000000000000000000000000000000000000..17305144e25e40d735f6788ff6bd1028e9498816
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LGraphObject.js
@@ -0,0 +1,5 @@
+function LGraphObject(vGraphObject) {
+ this.vGraphObject = vGraphObject;
+}
+
+module.exports = LGraphObject;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LNode.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LNode.js
new file mode 100644
index 0000000000000000000000000000000000000000..5c9e456c39b04450bb7edf176d4d710c0b1ae8f7
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LNode.js
@@ -0,0 +1,418 @@
+var LGraphObject = require('./LGraphObject');
+var Integer = require('./util/Integer');
+var RectangleD = require('./util/RectangleD');
+var LayoutConstants = require('./LayoutConstants');
+var RandomSeed = require('./util/RandomSeed');
+var PointD = require('./util/PointD');
+
+function LNode(gm, loc, size, vNode) {
+ //Alternative constructor 1 : LNode(LGraphManager gm, Point loc, Dimension size, Object vNode)
+ if (size == null && vNode == null) {
+ vNode = loc;
+ }
+
+ LGraphObject.call(this, vNode);
+
+ //Alternative constructor 2 : LNode(Layout layout, Object vNode)
+ if (gm.graphManager != null)
+ gm = gm.graphManager;
+
+ this.estimatedSize = Integer.MIN_VALUE;
+ this.inclusionTreeDepth = Integer.MAX_VALUE;
+ this.vGraphObject = vNode;
+ this.edges = [];
+ this.graphManager = gm;
+
+ if (size != null && loc != null)
+ this.rect = new RectangleD(loc.x, loc.y, size.width, size.height);
+ else
+ this.rect = new RectangleD();
+}
+
+LNode.prototype = Object.create(LGraphObject.prototype);
+for (var prop in LGraphObject) {
+ LNode[prop] = LGraphObject[prop];
+}
+
+LNode.prototype.getEdges = function ()
+{
+ return this.edges;
+};
+
+LNode.prototype.getChild = function ()
+{
+ return this.child;
+};
+
+LNode.prototype.getOwner = function ()
+{
+// if (this.owner != null) {
+// if (!(this.owner == null || this.owner.getNodes().indexOf(this) > -1)) {
+// throw "assert failed";
+// }
+// }
+
+ return this.owner;
+};
+
+LNode.prototype.getWidth = function ()
+{
+ return this.rect.width;
+};
+
+LNode.prototype.setWidth = function (width)
+{
+ this.rect.width = width;
+};
+
+LNode.prototype.getHeight = function ()
+{
+ return this.rect.height;
+};
+
+LNode.prototype.setHeight = function (height)
+{
+ this.rect.height = height;
+};
+
+LNode.prototype.getCenterX = function ()
+{
+ return this.rect.x + this.rect.width / 2;
+};
+
+LNode.prototype.getCenterY = function ()
+{
+ return this.rect.y + this.rect.height / 2;
+};
+
+LNode.prototype.getCenter = function ()
+{
+ return new PointD(this.rect.x + this.rect.width / 2,
+ this.rect.y + this.rect.height / 2);
+};
+
+LNode.prototype.getLocation = function ()
+{
+ return new PointD(this.rect.x, this.rect.y);
+};
+
+LNode.prototype.getRect = function ()
+{
+ return this.rect;
+};
+
+LNode.prototype.getDiagonal = function ()
+{
+ return Math.sqrt(this.rect.width * this.rect.width +
+ this.rect.height * this.rect.height);
+};
+
+/**
+ * This method returns half the diagonal length of this node.
+ */
+LNode.prototype.getHalfTheDiagonal = function () {
+ return Math.sqrt(this.rect.height * this.rect.height +
+ this.rect.width * this.rect.width) / 2;
+};
+
+LNode.prototype.setRect = function (upperLeft, dimension)
+{
+ this.rect.x = upperLeft.x;
+ this.rect.y = upperLeft.y;
+ this.rect.width = dimension.width;
+ this.rect.height = dimension.height;
+};
+
+LNode.prototype.setCenter = function (cx, cy)
+{
+ this.rect.x = cx - this.rect.width / 2;
+ this.rect.y = cy - this.rect.height / 2;
+};
+
+LNode.prototype.setLocation = function (x, y)
+{
+ this.rect.x = x;
+ this.rect.y = y;
+};
+
+LNode.prototype.moveBy = function (dx, dy)
+{
+ this.rect.x += dx;
+ this.rect.y += dy;
+};
+
+LNode.prototype.getEdgeListToNode = function (to)
+{
+ var edgeList = [];
+ var edge;
+ var self = this;
+
+ self.edges.forEach(function(edge) {
+
+ if (edge.target == to)
+ {
+ if (edge.source != self)
+ throw "Incorrect edge source!";
+
+ edgeList.push(edge);
+ }
+ });
+
+ return edgeList;
+};
+
+LNode.prototype.getEdgesBetween = function (other)
+{
+ var edgeList = [];
+ var edge;
+
+ var self = this;
+ self.edges.forEach(function(edge) {
+
+ if (!(edge.source == self || edge.target == self))
+ throw "Incorrect edge source and/or target";
+
+ if ((edge.target == other) || (edge.source == other))
+ {
+ edgeList.push(edge);
+ }
+ });
+
+ return edgeList;
+};
+
+LNode.prototype.getNeighborsList = function ()
+{
+ var neighbors = new Set();
+
+ var self = this;
+ self.edges.forEach(function(edge) {
+
+ if (edge.source == self)
+ {
+ neighbors.add(edge.target);
+ }
+ else
+ {
+ if (edge.target != self) {
+ throw "Incorrect incidency!";
+ }
+
+ neighbors.add(edge.source);
+ }
+ });
+
+ return neighbors;
+};
+
+LNode.prototype.withChildren = function ()
+{
+ var withNeighborsList = new Set();
+ var childNode;
+ var children;
+
+ withNeighborsList.add(this);
+
+ if (this.child != null)
+ {
+ var nodes = this.child.getNodes();
+ for (var i = 0; i < nodes.length; i++)
+ {
+ childNode = nodes[i];
+ children = childNode.withChildren();
+ children.forEach(function(node) {
+ withNeighborsList.add(node);
+ });
+ }
+ }
+
+ return withNeighborsList;
+};
+
+LNode.prototype.getNoOfChildren = function ()
+{
+ var noOfChildren = 0;
+ var childNode;
+
+ if(this.child == null){
+ noOfChildren = 1;
+ }
+ else
+ {
+ var nodes = this.child.getNodes();
+ for (var i = 0; i < nodes.length; i++)
+ {
+ childNode = nodes[i];
+
+ noOfChildren += childNode.getNoOfChildren();
+ }
+ }
+
+ if(noOfChildren == 0){
+ noOfChildren = 1;
+ }
+ return noOfChildren;
+};
+
+LNode.prototype.getEstimatedSize = function () {
+ if (this.estimatedSize == Integer.MIN_VALUE) {
+ throw "assert failed";
+ }
+ return this.estimatedSize;
+};
+
+LNode.prototype.calcEstimatedSize = function () {
+ if (this.child == null)
+ {
+ return this.estimatedSize = (this.rect.width + this.rect.height) / 2;
+ }
+ else
+ {
+ this.estimatedSize = this.child.calcEstimatedSize();
+ this.rect.width = this.estimatedSize;
+ this.rect.height = this.estimatedSize;
+
+ return this.estimatedSize;
+ }
+};
+
+LNode.prototype.scatter = function () {
+ var randomCenterX;
+ var randomCenterY;
+
+ var minX = -LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ var maxX = LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ randomCenterX = LayoutConstants.WORLD_CENTER_X +
+ (RandomSeed.nextDouble() * (maxX - minX)) + minX;
+
+ var minY = -LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ var maxY = LayoutConstants.INITIAL_WORLD_BOUNDARY;
+ randomCenterY = LayoutConstants.WORLD_CENTER_Y +
+ (RandomSeed.nextDouble() * (maxY - minY)) + minY;
+
+ this.rect.x = randomCenterX;
+ this.rect.y = randomCenterY
+};
+
+LNode.prototype.updateBounds = function () {
+ if (this.getChild() == null) {
+ throw "assert failed";
+ }
+ if (this.getChild().getNodes().length != 0)
+ {
+ // wrap the children nodes by re-arranging the boundaries
+ var childGraph = this.getChild();
+ childGraph.updateBounds(true);
+
+ this.rect.x = childGraph.getLeft();
+ this.rect.y = childGraph.getTop();
+
+ this.setWidth(childGraph.getRight() - childGraph.getLeft());
+ this.setHeight(childGraph.getBottom() - childGraph.getTop());
+
+ // Update compound bounds considering its label properties
+ if(LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS){
+
+ var width = childGraph.getRight() - childGraph.getLeft();
+ var height = childGraph.getBottom() - childGraph.getTop();
+
+ if(this.labelWidth){
+ if(this.labelPosHorizontal == "left"){
+ this.rect.x -= (this.labelWidth);
+ this.setWidth(width + this.labelWidth);
+ }
+ else if(this.labelPosHorizontal == "center" && this.labelWidth > width){
+ this.rect.x -= (this.labelWidth - width) / 2;
+ this.setWidth(this.labelWidth);
+ }
+ else if(this.labelPosHorizontal == "right"){
+ this.setWidth(width + this.labelWidth);
+ }
+ }
+
+ if(this.labelHeight){
+ if(this.labelPosVertical == "top"){
+ this.rect.y -= (this.labelHeight);
+ this.setHeight(height + this.labelHeight);
+ }
+ else if(this.labelPosVertical == "center" && this.labelHeight > height){
+ this.rect.y -= (this.labelHeight - height) / 2;
+ this.setHeight(this.labelHeight);
+ }
+ else if(this.labelPosVertical == "bottom"){
+ this.setHeight(height + this.labelHeight);
+ }
+ }
+ }
+ }
+};
+
+LNode.prototype.getInclusionTreeDepth = function ()
+{
+ if (this.inclusionTreeDepth == Integer.MAX_VALUE) {
+ throw "assert failed";
+ }
+ return this.inclusionTreeDepth;
+};
+
+LNode.prototype.transform = function (trans)
+{
+ var left = this.rect.x;
+
+ if (left > LayoutConstants.WORLD_BOUNDARY)
+ {
+ left = LayoutConstants.WORLD_BOUNDARY;
+ }
+ else if (left < -LayoutConstants.WORLD_BOUNDARY)
+ {
+ left = -LayoutConstants.WORLD_BOUNDARY;
+ }
+
+ var top = this.rect.y;
+
+ if (top > LayoutConstants.WORLD_BOUNDARY)
+ {
+ top = LayoutConstants.WORLD_BOUNDARY;
+ }
+ else if (top < -LayoutConstants.WORLD_BOUNDARY)
+ {
+ top = -LayoutConstants.WORLD_BOUNDARY;
+ }
+
+ var leftTop = new PointD(left, top);
+ var vLeftTop = trans.inverseTransformPoint(leftTop);
+
+ this.setLocation(vLeftTop.x, vLeftTop.y);
+};
+
+LNode.prototype.getLeft = function ()
+{
+ return this.rect.x;
+};
+
+LNode.prototype.getRight = function ()
+{
+ return this.rect.x + this.rect.width;
+};
+
+LNode.prototype.getTop = function ()
+{
+ return this.rect.y;
+};
+
+LNode.prototype.getBottom = function ()
+{
+ return this.rect.y + this.rect.height;
+};
+
+LNode.prototype.getParent = function ()
+{
+ if (this.owner == null)
+ {
+ return null;
+ }
+
+ return this.owner.getParent();
+};
+
+module.exports = LNode;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/Layout.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/Layout.js
new file mode 100644
index 0000000000000000000000000000000000000000..507313723c0a42634fdbbf56d56f180649be2d38
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/Layout.js
@@ -0,0 +1,672 @@
+var LayoutConstants = require('./LayoutConstants');
+var LGraphManager = require('./LGraphManager');
+var LNode = require('./LNode');
+var LEdge = require('./LEdge');
+var LGraph = require('./LGraph');
+var PointD = require('./util/PointD');
+var Transform = require('./util/Transform');
+var Emitter = require('./util/Emitter');
+
+function Layout(isRemoteUse) {
+ Emitter.call( this );
+
+ //Layout Quality: 0:draft, 1:default, 2:proof
+ this.layoutQuality = LayoutConstants.QUALITY;
+ //Whether layout should create bendpoints as needed or not
+ this.createBendsAsNeeded =
+ LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED;
+ //Whether layout should be incremental or not
+ this.incremental = LayoutConstants.DEFAULT_INCREMENTAL;
+ //Whether we animate from before to after layout node positions
+ this.animationOnLayout =
+ LayoutConstants.DEFAULT_ANIMATION_ON_LAYOUT;
+ //Whether we animate the layout process or not
+ this.animationDuringLayout = LayoutConstants.DEFAULT_ANIMATION_DURING_LAYOUT;
+ //Number iterations that should be done between two successive animations
+ this.animationPeriod = LayoutConstants.DEFAULT_ANIMATION_PERIOD;
+ /**
+ * Whether or not leaf nodes (non-compound nodes) are of uniform sizes. When
+ * they are, both spring and repulsion forces between two leaf nodes can be
+ * calculated without the expensive clipping point calculations, resulting
+ * in major speed-up.
+ */
+ this.uniformLeafNodeSizes =
+ LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES;
+ /**
+ * This is used for creation of bendpoints by using dummy nodes and edges.
+ * Maps an LEdge to its dummy bendpoint path.
+ */
+ this.edgeToDummyNodes = new Map();
+ this.graphManager = new LGraphManager(this);
+ this.isLayoutFinished = false;
+ this.isSubLayout = false;
+ this.isRemoteUse = false;
+
+ if (isRemoteUse != null) {
+ this.isRemoteUse = isRemoteUse;
+ }
+}
+
+Layout.RANDOM_SEED = 1;
+
+Layout.prototype = Object.create( Emitter.prototype );
+
+Layout.prototype.getGraphManager = function () {
+ return this.graphManager;
+};
+
+Layout.prototype.getAllNodes = function () {
+ return this.graphManager.getAllNodes();
+};
+
+Layout.prototype.getAllEdges = function () {
+ return this.graphManager.getAllEdges();
+};
+
+Layout.prototype.getAllNodesToApplyGravitation = function () {
+ return this.graphManager.getAllNodesToApplyGravitation();
+};
+
+Layout.prototype.newGraphManager = function () {
+ var gm = new LGraphManager(this);
+ this.graphManager = gm;
+ return gm;
+};
+
+Layout.prototype.newGraph = function (vGraph)
+{
+ return new LGraph(null, this.graphManager, vGraph);
+};
+
+Layout.prototype.newNode = function (vNode)
+{
+ return new LNode(this.graphManager, vNode);
+};
+
+Layout.prototype.newEdge = function (vEdge)
+{
+ return new LEdge(null, null, vEdge);
+};
+
+Layout.prototype.checkLayoutSuccess = function() {
+ return (this.graphManager.getRoot() == null)
+ || this.graphManager.getRoot().getNodes().length == 0
+ || this.graphManager.includesInvalidEdge();
+};
+
+Layout.prototype.runLayout = function ()
+{
+ this.isLayoutFinished = false;
+
+ if (this.tilingPreLayout) {
+ this.tilingPreLayout();
+ }
+
+ this.initParameters();
+ var isLayoutSuccessfull;
+
+ if (this.checkLayoutSuccess())
+ {
+ isLayoutSuccessfull = false;
+ }
+ else
+ {
+ isLayoutSuccessfull = this.layout();
+ }
+
+ if (LayoutConstants.ANIMATE === 'during') {
+ // If this is a 'during' layout animation. Layout is not finished yet.
+ // We need to perform these in index.js when layout is really finished.
+ return false;
+ }
+
+ if (isLayoutSuccessfull)
+ {
+ if (!this.isSubLayout)
+ {
+ this.doPostLayout();
+ }
+ }
+
+ if (this.tilingPostLayout) {
+ this.tilingPostLayout();
+ }
+
+ this.isLayoutFinished = true;
+
+ return isLayoutSuccessfull;
+};
+
+/**
+ * This method performs the operations required after layout.
+ */
+Layout.prototype.doPostLayout = function ()
+{
+ //assert !isSubLayout : "Should not be called on sub-layout!";
+ // Propagate geometric changes to v-level objects
+ if(!this.incremental){
+ this.transform();
+ }
+ this.update();
+};
+
+/**
+ * This method updates the geometry of the target graph according to
+ * calculated layout.
+ */
+Layout.prototype.update2 = function () {
+ // update bend points
+ if (this.createBendsAsNeeded)
+ {
+ this.createBendpointsFromDummyNodes();
+
+ // reset all edges, since the topology has changed
+ this.graphManager.resetAllEdges();
+ }
+
+ // perform edge, node and root updates if layout is not called
+ // remotely
+ if (!this.isRemoteUse)
+ {
+ // update all edges
+ var edge;
+ var allEdges = this.graphManager.getAllEdges();
+ for (var i = 0; i < allEdges.length; i++)
+ {
+ edge = allEdges[i];
+// this.update(edge);
+ }
+
+ // recursively update nodes
+ var node;
+ var nodes = this.graphManager.getRoot().getNodes();
+ for (var i = 0; i < nodes.length; i++)
+ {
+ node = nodes[i];
+// this.update(node);
+ }
+
+ // update root graph
+ this.update(this.graphManager.getRoot());
+ }
+};
+
+Layout.prototype.update = function (obj) {
+ if (obj == null) {
+ this.update2();
+ }
+ else if (obj instanceof LNode) {
+ var node = obj;
+ if (node.getChild() != null)
+ {
+ // since node is compound, recursively update child nodes
+ var nodes = node.getChild().getNodes();
+ for (var i = 0; i < nodes.length; i++)
+ {
+ update(nodes[i]);
+ }
+ }
+
+ // if the l-level node is associated with a v-level graph object,
+ // then it is assumed that the v-level node implements the
+ // interface Updatable.
+ if (node.vGraphObject != null)
+ {
+ // cast to Updatable without any type check
+ var vNode = node.vGraphObject;
+
+ // call the update method of the interface
+ vNode.update(node);
+ }
+ }
+ else if (obj instanceof LEdge) {
+ var edge = obj;
+ // if the l-level edge is associated with a v-level graph object,
+ // then it is assumed that the v-level edge implements the
+ // interface Updatable.
+
+ if (edge.vGraphObject != null)
+ {
+ // cast to Updatable without any type check
+ var vEdge = edge.vGraphObject;
+
+ // call the update method of the interface
+ vEdge.update(edge);
+ }
+ }
+ else if (obj instanceof LGraph) {
+ var graph = obj;
+ // if the l-level graph is associated with a v-level graph object,
+ // then it is assumed that the v-level object implements the
+ // interface Updatable.
+
+ if (graph.vGraphObject != null)
+ {
+ // cast to Updatable without any type check
+ var vGraph = graph.vGraphObject;
+
+ // call the update method of the interface
+ vGraph.update(graph);
+ }
+ }
+};
+
+/**
+ * This method is used to set all layout parameters to default values
+ * determined at compile time.
+ */
+Layout.prototype.initParameters = function () {
+ if (!this.isSubLayout)
+ {
+ this.layoutQuality = LayoutConstants.QUALITY;
+ this.animationDuringLayout = LayoutConstants.DEFAULT_ANIMATION_DURING_LAYOUT;
+ this.animationPeriod = LayoutConstants.DEFAULT_ANIMATION_PERIOD;
+ this.animationOnLayout = LayoutConstants.DEFAULT_ANIMATION_ON_LAYOUT;
+ this.incremental = LayoutConstants.DEFAULT_INCREMENTAL;
+ this.createBendsAsNeeded = LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED;
+ this.uniformLeafNodeSizes = LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES;
+ }
+
+ if (this.animationDuringLayout)
+ {
+ this.animationOnLayout = false;
+ }
+};
+
+Layout.prototype.transform = function (newLeftTop) {
+ if (newLeftTop == undefined) {
+ this.transform(new PointD(0, 0));
+ }
+ else {
+ // create a transformation object (from Eclipse to layout). When an
+ // inverse transform is applied, we get upper-left coordinate of the
+ // drawing or the root graph at given input coordinate (some margins
+ // already included in calculation of left-top).
+
+ var trans = new Transform();
+ var leftTop = this.graphManager.getRoot().updateLeftTop();
+
+ if (leftTop != null)
+ {
+ trans.setWorldOrgX(newLeftTop.x);
+ trans.setWorldOrgY(newLeftTop.y);
+
+ trans.setDeviceOrgX(leftTop.x);
+ trans.setDeviceOrgY(leftTop.y);
+
+ var nodes = this.getAllNodes();
+ var node;
+
+ for (var i = 0; i < nodes.length; i++)
+ {
+ node = nodes[i];
+ node.transform(trans);
+ }
+ }
+ }
+};
+
+Layout.prototype.positionNodesRandomly = function (graph) {
+
+ if (graph == undefined) {
+ //assert !this.incremental;
+ this.positionNodesRandomly(this.getGraphManager().getRoot());
+ this.getGraphManager().getRoot().updateBounds(true);
+ }
+ else {
+ var lNode;
+ var childGraph;
+
+ var nodes = graph.getNodes();
+ for (var i = 0; i < nodes.length; i++)
+ {
+ lNode = nodes[i];
+ childGraph = lNode.getChild();
+
+ if (childGraph == null)
+ {
+ lNode.scatter();
+ }
+ else if (childGraph.getNodes().length == 0)
+ {
+ lNode.scatter();
+ }
+ else
+ {
+ this.positionNodesRandomly(childGraph);
+ lNode.updateBounds();
+ }
+ }
+ }
+};
+
+/**
+ * This method returns a list of trees where each tree is represented as a
+ * list of l-nodes. The method returns a list of size 0 when:
+ * - The graph is not flat or
+ * - One of the component(s) of the graph is not a tree.
+ */
+Layout.prototype.getFlatForest = function ()
+{
+ var flatForest = [];
+ var isForest = true;
+
+ // Quick reference for all nodes in the graph manager associated with
+ // this layout. The list should not be changed.
+ var allNodes = this.graphManager.getRoot().getNodes();
+
+ // First be sure that the graph is flat
+ var isFlat = true;
+
+ for (var i = 0; i < allNodes.length; i++)
+ {
+ if (allNodes[i].getChild() != null)
+ {
+ isFlat = false;
+ }
+ }
+
+ // Return empty forest if the graph is not flat.
+ if (!isFlat)
+ {
+ return flatForest;
+ }
+
+ // Run BFS for each component of the graph.
+
+ var visited = new Set();
+ var toBeVisited = [];
+ var parents = new Map();
+ var unProcessedNodes = [];
+
+ unProcessedNodes = unProcessedNodes.concat(allNodes);
+
+ // Each iteration of this loop finds a component of the graph and
+ // decides whether it is a tree or not. If it is a tree, adds it to the
+ // forest and continued with the next component.
+
+ while (unProcessedNodes.length > 0 && isForest)
+ {
+ toBeVisited.push(unProcessedNodes[0]);
+
+ // Start the BFS. Each iteration of this loop visits a node in a
+ // BFS manner.
+ while (toBeVisited.length > 0 && isForest)
+ {
+ //pool operation
+ var currentNode = toBeVisited[0];
+ toBeVisited.splice(0, 1);
+ visited.add(currentNode);
+
+ // Traverse all neighbors of this node
+ var neighborEdges = currentNode.getEdges();
+
+ for (var i = 0; i < neighborEdges.length; i++)
+ {
+ var currentNeighbor =
+ neighborEdges[i].getOtherEnd(currentNode);
+
+ // If BFS is not growing from this neighbor.
+ if (parents.get(currentNode) != currentNeighbor)
+ {
+ // We haven't previously visited this neighbor.
+ if (!visited.has(currentNeighbor))
+ {
+ toBeVisited.push(currentNeighbor);
+ parents.set(currentNeighbor, currentNode);
+ }
+ // Since we have previously visited this neighbor and
+ // this neighbor is not parent of currentNode, given
+ // graph contains a component that is not tree, hence
+ // it is not a forest.
+ else
+ {
+ isForest = false;
+ break;
+ }
+ }
+ }
+ }
+
+ // The graph contains a component that is not a tree. Empty
+ // previously found trees. The method will end.
+ if (!isForest)
+ {
+ flatForest = [];
+ }
+ // Save currently visited nodes as a tree in our forest. Reset
+ // visited and parents lists. Continue with the next component of
+ // the graph, if any.
+ else
+ {
+ var temp = [...visited];
+ flatForest.push(temp);
+ //flatForest = flatForest.concat(temp);
+ //unProcessedNodes.removeAll(visited);
+ for (var i = 0; i < temp.length; i++) {
+ var value = temp[i];
+ var index = unProcessedNodes.indexOf(value);
+ if (index > -1) {
+ unProcessedNodes.splice(index, 1);
+ }
+ }
+ visited = new Set();
+ parents = new Map();
+ }
+ }
+
+ return flatForest;
+};
+
+/**
+ * This method creates dummy nodes (an l-level node with minimal dimensions)
+ * for the given edge (one per bendpoint). The existing l-level structure
+ * is updated accordingly.
+ */
+Layout.prototype.createDummyNodesForBendpoints = function (edge)
+{
+ var dummyNodes = [];
+ var prev = edge.source;
+
+ var graph = this.graphManager.calcLowestCommonAncestor(edge.source, edge.target);
+
+ for (var i = 0; i < edge.bendpoints.length; i++)
+ {
+ // create new dummy node
+ var dummyNode = this.newNode(null);
+ dummyNode.setRect(new Point(0, 0), new Dimension(1, 1));
+
+ graph.add(dummyNode);
+
+ // create new dummy edge between prev and dummy node
+ var dummyEdge = this.newEdge(null);
+ this.graphManager.add(dummyEdge, prev, dummyNode);
+
+ dummyNodes.add(dummyNode);
+ prev = dummyNode;
+ }
+
+ var dummyEdge = this.newEdge(null);
+ this.graphManager.add(dummyEdge, prev, edge.target);
+
+ this.edgeToDummyNodes.set(edge, dummyNodes);
+
+ // remove real edge from graph manager if it is inter-graph
+ if (edge.isInterGraph())
+ {
+ this.graphManager.remove(edge);
+ }
+ // else, remove the edge from the current graph
+ else
+ {
+ graph.remove(edge);
+ }
+
+ return dummyNodes;
+};
+
+/**
+ * This method creates bendpoints for edges from the dummy nodes
+ * at l-level.
+ */
+Layout.prototype.createBendpointsFromDummyNodes = function ()
+{
+ var edges = [];
+ edges = edges.concat(this.graphManager.getAllEdges());
+ edges = [...this.edgeToDummyNodes.keys()].concat(edges);
+
+ for (var k = 0; k < edges.length; k++)
+ {
+ var lEdge = edges[k];
+
+ if (lEdge.bendpoints.length > 0)
+ {
+ var path = this.edgeToDummyNodes.get(lEdge);
+
+ for (var i = 0; i < path.length; i++)
+ {
+ var dummyNode = path[i];
+ var p = new PointD(dummyNode.getCenterX(),
+ dummyNode.getCenterY());
+
+ // update bendpoint's location according to dummy node
+ var ebp = lEdge.bendpoints.get(i);
+ ebp.x = p.x;
+ ebp.y = p.y;
+
+ // remove the dummy node, dummy edges incident with this
+ // dummy node is also removed (within the remove method)
+ dummyNode.getOwner().remove(dummyNode);
+ }
+
+ // add the real edge to graph
+ this.graphManager.add(lEdge, lEdge.source, lEdge.target);
+ }
+ }
+};
+
+Layout.transform = function (sliderValue, defaultValue, minDiv, maxMul) {
+ if (minDiv != undefined && maxMul != undefined) {
+ var value = defaultValue;
+
+ if (sliderValue <= 50)
+ {
+ var minValue = defaultValue / minDiv;
+ value -= ((defaultValue - minValue) / 50) * (50 - sliderValue);
+ }
+ else
+ {
+ var maxValue = defaultValue * maxMul;
+ value += ((maxValue - defaultValue) / 50) * (sliderValue - 50);
+ }
+
+ return value;
+ }
+ else {
+ var a, b;
+
+ if (sliderValue <= 50)
+ {
+ a = 9.0 * defaultValue / 500.0;
+ b = defaultValue / 10.0;
+ }
+ else
+ {
+ a = 9.0 * defaultValue / 50.0;
+ b = -8 * defaultValue;
+ }
+
+ return (a * sliderValue + b);
+ }
+};
+
+/**
+ * This method finds and returns the center of the given nodes, assuming
+ * that the given nodes form a tree in themselves.
+ */
+Layout.findCenterOfTree = function (nodes)
+{
+ var list = [];
+ list = list.concat(nodes);
+
+ var removedNodes = [];
+ var remainingDegrees = new Map();
+ var foundCenter = false;
+ var centerNode = null;
+
+ if (list.length == 1 || list.length == 2)
+ {
+ foundCenter = true;
+ centerNode = list[0];
+ }
+
+ for (var i = 0; i < list.length; i++)
+ {
+ var node = list[i];
+ var degree = node.getNeighborsList().size;
+ remainingDegrees.set(node, node.getNeighborsList().size);
+
+ if (degree == 1)
+ {
+ removedNodes.push(node);
+ }
+ }
+
+ var tempList = [];
+ tempList = tempList.concat(removedNodes);
+
+ while (!foundCenter)
+ {
+ var tempList2 = [];
+ tempList2 = tempList2.concat(tempList);
+ tempList = [];
+
+ for (var i = 0; i < list.length; i++)
+ {
+ var node = list[i];
+
+ var index = list.indexOf(node);
+ if (index >= 0) {
+ list.splice(index, 1);
+ }
+
+ var neighbours = node.getNeighborsList();
+
+ neighbours.forEach(function(neighbour) {
+ if (removedNodes.indexOf(neighbour) < 0)
+ {
+ var otherDegree = remainingDegrees.get(neighbour);
+ var newDegree = otherDegree - 1;
+
+ if (newDegree == 1)
+ {
+ tempList.push(neighbour);
+ }
+
+ remainingDegrees.set(neighbour, newDegree);
+ }
+ });
+ }
+
+ removedNodes = removedNodes.concat(tempList);
+
+ if (list.length == 1 || list.length == 2)
+ {
+ foundCenter = true;
+ centerNode = list[0];
+ }
+ }
+
+ return centerNode;
+};
+
+/**
+ * During the coarsening process, this layout may be referenced by two graph managers
+ * this setter function grants access to change the currently being used graph manager
+ */
+Layout.prototype.setGraphManager = function (gm)
+{
+ this.graphManager = gm;
+};
+
+module.exports = Layout;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LayoutConstants.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LayoutConstants.js
new file mode 100644
index 0000000000000000000000000000000000000000..c6645820c81795bf98c5ad6c85f4e32f5a078b5f
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/LayoutConstants.js
@@ -0,0 +1,70 @@
+function LayoutConstants() {
+}
+
+/**
+ * Layout Quality: 0:draft, 1:default, 2:proof
+ */
+LayoutConstants.QUALITY = 1;
+
+/**
+ * Default parameters
+ */
+LayoutConstants.DEFAULT_CREATE_BENDS_AS_NEEDED = false;
+LayoutConstants.DEFAULT_INCREMENTAL = false;
+LayoutConstants.DEFAULT_ANIMATION_ON_LAYOUT = true;
+LayoutConstants.DEFAULT_ANIMATION_DURING_LAYOUT = false;
+LayoutConstants.DEFAULT_ANIMATION_PERIOD = 50;
+LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES = false;
+
+// -----------------------------------------------------------------------------
+// Section: General other constants
+// -----------------------------------------------------------------------------
+/*
+ * Margins of a graph to be applied on bouding rectangle of its contents. We
+ * assume margins on all four sides to be uniform.
+ */
+LayoutConstants.DEFAULT_GRAPH_MARGIN = 15;
+
+/*
+ * Whether to consider labels in node dimensions or not
+ */
+LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = false;
+
+/*
+ * Default dimension of a non-compound node.
+ */
+LayoutConstants.SIMPLE_NODE_SIZE = 40;
+
+/*
+ * Default dimension of a non-compound node.
+ */
+LayoutConstants.SIMPLE_NODE_HALF_SIZE = LayoutConstants.SIMPLE_NODE_SIZE / 2;
+
+/*
+ * Empty compound node size. When a compound node is empty, its both
+ * dimensions should be of this value.
+ */
+LayoutConstants.EMPTY_COMPOUND_NODE_SIZE = 40;
+
+/*
+ * Minimum length that an edge should take during layout
+ */
+LayoutConstants.MIN_EDGE_LENGTH = 1;
+
+/*
+ * World boundaries that layout operates on
+ */
+LayoutConstants.WORLD_BOUNDARY = 1000000;
+
+/*
+ * World boundaries that random positioning can be performed with
+ */
+LayoutConstants.INITIAL_WORLD_BOUNDARY = LayoutConstants.WORLD_BOUNDARY / 1000;
+
+/*
+ * Coordinates of the world center
+ */
+LayoutConstants.WORLD_CENTER_X = 1200;
+LayoutConstants.WORLD_CENTER_Y = 900;
+
+module.exports = LayoutConstants;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayout.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayout.js
new file mode 100644
index 0000000000000000000000000000000000000000..42a03ff5fc7938992160b7149ee492b03ecd89e8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayout.js
@@ -0,0 +1,529 @@
+var Layout = require('../Layout');
+var FDLayoutConstants = require('./FDLayoutConstants');
+var LayoutConstants = require('../LayoutConstants');
+var IGeometry = require('../util/IGeometry');
+var IMath = require('../util/IMath');
+
+function FDLayout() {
+ Layout.call(this);
+
+ this.useSmartIdealEdgeLengthCalculation = FDLayoutConstants.DEFAULT_USE_SMART_IDEAL_EDGE_LENGTH_CALCULATION;
+ this.gravityConstant = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH;
+ this.compoundGravityConstant = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH;
+ this.gravityRangeFactor = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR;
+ this.compoundGravityRangeFactor = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR;
+ this.displacementThresholdPerNode = (3.0 * FDLayoutConstants.DEFAULT_EDGE_LENGTH) / 100;
+ this.coolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL;
+ this.initialCoolingFactor = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL;
+ this.totalDisplacement = 0.0;
+ this.oldTotalDisplacement = 0.0;
+ this.maxIterations = FDLayoutConstants.MAX_ITERATIONS;
+}
+
+FDLayout.prototype = Object.create(Layout.prototype);
+
+for (var prop in Layout) {
+ FDLayout[prop] = Layout[prop];
+}
+
+FDLayout.prototype.initParameters = function () {
+ Layout.prototype.initParameters.call(this, arguments);
+
+ this.totalIterations = 0;
+ this.notAnimatedIterations = 0;
+
+ this.useFRGridVariant = FDLayoutConstants.DEFAULT_USE_SMART_REPULSION_RANGE_CALCULATION;
+
+ this.grid = [];
+};
+
+FDLayout.prototype.calcIdealEdgeLengths = function () {
+ var edge;
+ var originalIdealLength;
+ var lcaDepth;
+ var source;
+ var target;
+ var sizeOfSourceInLca;
+ var sizeOfTargetInLca;
+
+ var allEdges = this.getGraphManager().getAllEdges();
+ for (var i = 0; i < allEdges.length; i++)
+ {
+ edge = allEdges[i];
+
+ originalIdealLength = edge.idealLength;
+
+ if (edge.isInterGraph)
+ {
+ source = edge.getSource();
+ target = edge.getTarget();
+
+ sizeOfSourceInLca = edge.getSourceInLca().getEstimatedSize();
+ sizeOfTargetInLca = edge.getTargetInLca().getEstimatedSize();
+
+ if (this.useSmartIdealEdgeLengthCalculation)
+ {
+ edge.idealLength += sizeOfSourceInLca + sizeOfTargetInLca -
+ 2 * LayoutConstants.SIMPLE_NODE_SIZE;
+ }
+
+ lcaDepth = edge.getLca().getInclusionTreeDepth();
+
+ edge.idealLength += originalIdealLength *
+ FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR *
+ (source.getInclusionTreeDepth() +
+ target.getInclusionTreeDepth() - 2 * lcaDepth);
+ }
+ }
+};
+
+FDLayout.prototype.initSpringEmbedder = function () {
+
+ var s = this.getAllNodes().length;
+ if (this.incremental) {
+ if(s > FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT){
+ this.coolingFactor = Math.max(this.coolingFactor*FDLayoutConstants.COOLING_ADAPTATION_FACTOR, this.coolingFactor -
+ (s-FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT)/(FDLayoutConstants.ADAPTATION_UPPER_NODE_LIMIT-FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT)*this.coolingFactor*(1-FDLayoutConstants.COOLING_ADAPTATION_FACTOR));
+ }
+ this.maxNodeDisplacement = FDLayoutConstants.MAX_NODE_DISPLACEMENT_INCREMENTAL;
+ }
+ else {
+ if(s > FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT){
+ this.coolingFactor = Math.max(FDLayoutConstants.COOLING_ADAPTATION_FACTOR, 1.0 -
+ (s-FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT)/(FDLayoutConstants.ADAPTATION_UPPER_NODE_LIMIT-FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT)*(1-FDLayoutConstants.COOLING_ADAPTATION_FACTOR));
+ }
+ else {
+ this.coolingFactor = 1.0;
+ }
+ this.initialCoolingFactor = this.coolingFactor;
+ this.maxNodeDisplacement = FDLayoutConstants.MAX_NODE_DISPLACEMENT;
+ }
+
+ this.maxIterations =
+ Math.max(this.getAllNodes().length * 5, this.maxIterations);
+
+ // Reassign this attribute by using new constant value
+ this.displacementThresholdPerNode = (3.0 * FDLayoutConstants.DEFAULT_EDGE_LENGTH) / 100;
+ this.totalDisplacementThreshold = this.displacementThresholdPerNode * this.getAllNodes().length;
+
+ this.repulsionRange = this.calcRepulsionRange();
+};
+
+FDLayout.prototype.calcSpringForces = function () {
+ var lEdges = this.getAllEdges();
+ var edge;
+
+ for (var i = 0; i < lEdges.length; i++)
+ {
+ edge = lEdges[i];
+
+ this.calcSpringForce(edge, edge.idealLength);
+ }
+};
+
+FDLayout.prototype.calcRepulsionForces = function (gridUpdateAllowed = true, forceToNodeSurroundingUpdate = false) {
+ var i, j;
+ var nodeA, nodeB;
+ var lNodes = this.getAllNodes();
+ var processedNodeSet;
+
+ if (this.useFRGridVariant)
+ {
+ if ((this.totalIterations % FDLayoutConstants.GRID_CALCULATION_CHECK_PERIOD == 1 && gridUpdateAllowed))
+ {
+ this.updateGrid();
+ }
+
+ processedNodeSet = new Set();
+
+ // calculate repulsion forces between each nodes and its surrounding
+ for (i = 0; i < lNodes.length; i++)
+ {
+ nodeA = lNodes[i];
+ this.calculateRepulsionForceOfANode(nodeA, processedNodeSet, gridUpdateAllowed, forceToNodeSurroundingUpdate);
+ processedNodeSet.add(nodeA);
+ }
+ }
+ else
+ {
+ for (i = 0; i < lNodes.length; i++)
+ {
+ nodeA = lNodes[i];
+
+ for (j = i + 1; j < lNodes.length; j++)
+ {
+ nodeB = lNodes[j];
+
+ // If both nodes are not members of the same graph, skip.
+ if (nodeA.getOwner() != nodeB.getOwner())
+ {
+ continue;
+ }
+
+ this.calcRepulsionForce(nodeA, nodeB);
+ }
+ }
+ }
+};
+
+FDLayout.prototype.calcGravitationalForces = function () {
+ var node;
+ var lNodes = this.getAllNodesToApplyGravitation();
+
+ for (var i = 0; i < lNodes.length; i++)
+ {
+ node = lNodes[i];
+ this.calcGravitationalForce(node);
+ }
+};
+
+FDLayout.prototype.moveNodes = function () {
+ var lNodes = this.getAllNodes();
+ var node;
+
+ for (var i = 0; i < lNodes.length; i++)
+ {
+ node = lNodes[i];
+ node.move();
+ }
+}
+
+FDLayout.prototype.calcSpringForce = function (edge, idealLength) {
+ var sourceNode = edge.getSource();
+ var targetNode = edge.getTarget();
+
+ var length;
+ var springForce;
+ var springForceX;
+ var springForceY;
+
+ // Update edge length
+ if (this.uniformLeafNodeSizes &&
+ sourceNode.getChild() == null && targetNode.getChild() == null)
+ {
+ edge.updateLengthSimple();
+ }
+ else
+ {
+ edge.updateLength();
+
+ if (edge.isOverlapingSourceAndTarget)
+ {
+ return;
+ }
+ }
+
+ length = edge.getLength();
+
+ if(length == 0)
+ return;
+
+ // Calculate spring forces
+ springForce = edge.edgeElasticity * (length - idealLength);
+
+ // Project force onto x and y axes
+ springForceX = springForce * (edge.lengthX / length);
+ springForceY = springForce * (edge.lengthY / length);
+
+ // Apply forces on the end nodes
+ sourceNode.springForceX += springForceX;
+ sourceNode.springForceY += springForceY;
+ targetNode.springForceX -= springForceX;
+ targetNode.springForceY -= springForceY;
+};
+
+FDLayout.prototype.calcRepulsionForce = function (nodeA, nodeB) {
+ var rectA = nodeA.getRect();
+ var rectB = nodeB.getRect();
+ var overlapAmount = new Array(2);
+ var clipPoints = new Array(4);
+ var distanceX;
+ var distanceY;
+ var distanceSquared;
+ var distance;
+ var repulsionForce;
+ var repulsionForceX;
+ var repulsionForceY;
+
+ if (rectA.intersects(rectB))// two nodes overlap
+ {
+ // calculate separation amount in x and y directions
+ IGeometry.calcSeparationAmount(rectA,
+ rectB,
+ overlapAmount,
+ FDLayoutConstants.DEFAULT_EDGE_LENGTH / 2.0);
+
+ repulsionForceX = 2 * overlapAmount[0];
+ repulsionForceY = 2 * overlapAmount[1];
+
+ var childrenConstant = nodeA.noOfChildren * nodeB.noOfChildren / (nodeA.noOfChildren + nodeB.noOfChildren);
+
+ // Apply forces on the two nodes
+ nodeA.repulsionForceX -= childrenConstant * repulsionForceX;
+ nodeA.repulsionForceY -= childrenConstant * repulsionForceY;
+ nodeB.repulsionForceX += childrenConstant * repulsionForceX;
+ nodeB.repulsionForceY += childrenConstant * repulsionForceY;
+ }
+ else// no overlap
+ {
+ // calculate distance
+
+ if (this.uniformLeafNodeSizes &&
+ nodeA.getChild() == null && nodeB.getChild() == null)// simply base repulsion on distance of node centers
+ {
+ distanceX = rectB.getCenterX() - rectA.getCenterX();
+ distanceY = rectB.getCenterY() - rectA.getCenterY();
+ }
+ else// use clipping points
+ {
+ IGeometry.getIntersection(rectA, rectB, clipPoints);
+
+ distanceX = clipPoints[2] - clipPoints[0];
+ distanceY = clipPoints[3] - clipPoints[1];
+ }
+
+ // No repulsion range. FR grid variant should take care of this.
+ if (Math.abs(distanceX) < FDLayoutConstants.MIN_REPULSION_DIST)
+ {
+ distanceX = IMath.sign(distanceX) *
+ FDLayoutConstants.MIN_REPULSION_DIST;
+ }
+
+ if (Math.abs(distanceY) < FDLayoutConstants.MIN_REPULSION_DIST)
+ {
+ distanceY = IMath.sign(distanceY) *
+ FDLayoutConstants.MIN_REPULSION_DIST;
+ }
+
+ distanceSquared = distanceX * distanceX + distanceY * distanceY;
+ distance = Math.sqrt(distanceSquared);
+
+ // Here we use half of the nodes' repulsion values for backward compatibility
+ repulsionForce = (nodeA.nodeRepulsion / 2 + nodeB.nodeRepulsion / 2) * nodeA.noOfChildren * nodeB.noOfChildren / distanceSquared;
+
+ // Project force onto x and y axes
+ repulsionForceX = repulsionForce * distanceX / distance;
+ repulsionForceY = repulsionForce * distanceY / distance;
+
+ // Apply forces on the two nodes
+ nodeA.repulsionForceX -= repulsionForceX;
+ nodeA.repulsionForceY -= repulsionForceY;
+ nodeB.repulsionForceX += repulsionForceX;
+ nodeB.repulsionForceY += repulsionForceY;
+ }
+};
+
+FDLayout.prototype.calcGravitationalForce = function (node) {
+ var ownerGraph;
+ var ownerCenterX;
+ var ownerCenterY;
+ var distanceX;
+ var distanceY;
+ var absDistanceX;
+ var absDistanceY;
+ var estimatedSize;
+ ownerGraph = node.getOwner();
+
+ ownerCenterX = (ownerGraph.getRight() + ownerGraph.getLeft()) / 2;
+ ownerCenterY = (ownerGraph.getTop() + ownerGraph.getBottom()) / 2;
+ distanceX = node.getCenterX() - ownerCenterX;
+ distanceY = node.getCenterY() - ownerCenterY;
+ absDistanceX = Math.abs(distanceX) + node.getWidth() / 2;
+ absDistanceY = Math.abs(distanceY) + node.getHeight() / 2;
+
+ if (node.getOwner() == this.graphManager.getRoot())// in the root graph
+ {
+ estimatedSize = ownerGraph.getEstimatedSize() * this.gravityRangeFactor;
+
+ if (absDistanceX > estimatedSize || absDistanceY > estimatedSize)
+ {
+ node.gravitationForceX = -this.gravityConstant * distanceX;
+ node.gravitationForceY = -this.gravityConstant * distanceY;
+ }
+ }
+ else// inside a compound
+ {
+ estimatedSize = ownerGraph.getEstimatedSize() * this.compoundGravityRangeFactor;
+
+ if (absDistanceX > estimatedSize || absDistanceY > estimatedSize)
+ {
+ node.gravitationForceX = -this.gravityConstant * distanceX *
+ this.compoundGravityConstant;
+ node.gravitationForceY = -this.gravityConstant * distanceY *
+ this.compoundGravityConstant;
+ }
+ }
+};
+
+FDLayout.prototype.isConverged = function () {
+ var converged;
+ var oscilating = false;
+
+ if (this.totalIterations > this.maxIterations / 3)
+ {
+ oscilating =
+ Math.abs(this.totalDisplacement - this.oldTotalDisplacement) < 2;
+ }
+
+ converged = this.totalDisplacement < this.totalDisplacementThreshold;
+
+ this.oldTotalDisplacement = this.totalDisplacement;
+
+ return converged || oscilating;
+};
+
+FDLayout.prototype.animate = function () {
+ if (this.animationDuringLayout && !this.isSubLayout)
+ {
+ if (this.notAnimatedIterations == this.animationPeriod)
+ {
+ this.update();
+ this.notAnimatedIterations = 0;
+ }
+ else
+ {
+ this.notAnimatedIterations++;
+ }
+ }
+};
+
+//This method calculates the number of children (weight) for all nodes
+FDLayout.prototype.calcNoOfChildrenForAllNodes = function ()
+{
+ var node;
+ var allNodes = this.graphManager.getAllNodes();
+
+ for(var i = 0; i < allNodes.length; i++)
+ {
+ node = allNodes[i];
+ node.noOfChildren = node.getNoOfChildren();
+ }
+};
+
+// -----------------------------------------------------------------------------
+// Section: FR-Grid Variant Repulsion Force Calculation
+// -----------------------------------------------------------------------------
+
+FDLayout.prototype.calcGrid = function (graph){
+
+ var sizeX = 0;
+ var sizeY = 0;
+
+ sizeX = parseInt(Math.ceil((graph.getRight() - graph.getLeft()) / this.repulsionRange));
+ sizeY = parseInt(Math.ceil((graph.getBottom() - graph.getTop()) / this.repulsionRange));
+
+ var grid = new Array(sizeX);
+
+ for(var i = 0; i < sizeX; i++){
+ grid[i] = new Array(sizeY);
+ }
+
+ for(var i = 0; i < sizeX; i++){
+ for(var j = 0; j < sizeY; j++){
+ grid[i][j] = new Array();
+ }
+ }
+
+ return grid;
+};
+
+FDLayout.prototype.addNodeToGrid = function (v, left, top){
+
+ var startX = 0;
+ var finishX = 0;
+ var startY = 0;
+ var finishY = 0;
+
+ startX = parseInt(Math.floor((v.getRect().x - left) / this.repulsionRange));
+ finishX = parseInt(Math.floor((v.getRect().width + v.getRect().x - left) / this.repulsionRange));
+ startY = parseInt(Math.floor((v.getRect().y - top) / this.repulsionRange));
+ finishY = parseInt(Math.floor((v.getRect().height + v.getRect().y - top) / this.repulsionRange));
+
+ for (var i = startX; i <= finishX; i++)
+ {
+ for (var j = startY; j <= finishY; j++)
+ {
+ this.grid[i][j].push(v);
+ v.setGridCoordinates(startX, finishX, startY, finishY);
+ }
+ }
+
+};
+
+FDLayout.prototype.updateGrid = function() {
+ var i;
+ var nodeA;
+ var lNodes = this.getAllNodes();
+
+ this.grid = this.calcGrid(this.graphManager.getRoot());
+
+ // put all nodes to proper grid cells
+ for (i = 0; i < lNodes.length; i++)
+ {
+ nodeA = lNodes[i];
+ this.addNodeToGrid(nodeA, this.graphManager.getRoot().getLeft(), this.graphManager.getRoot().getTop());
+ }
+
+};
+
+FDLayout.prototype.calculateRepulsionForceOfANode = function (nodeA, processedNodeSet, gridUpdateAllowed, forceToNodeSurroundingUpdate){
+
+ if ((this.totalIterations % FDLayoutConstants.GRID_CALCULATION_CHECK_PERIOD == 1 && gridUpdateAllowed) || forceToNodeSurroundingUpdate)
+ {
+ var surrounding = new Set();
+ nodeA.surrounding = new Array();
+ var nodeB;
+ var grid = this.grid;
+
+ for (var i = (nodeA.startX - 1); i < (nodeA.finishX + 2); i++)
+ {
+ for (var j = (nodeA.startY - 1); j < (nodeA.finishY + 2); j++)
+ {
+ if (!((i < 0) || (j < 0) || (i >= grid.length) || (j >= grid[0].length)))
+ {
+ for (var k = 0; k < grid[i][j].length; k++) {
+ nodeB = grid[i][j][k];
+
+ // If both nodes are not members of the same graph,
+ // or both nodes are the same, skip.
+ if ((nodeA.getOwner() != nodeB.getOwner()) || (nodeA == nodeB))
+ {
+ continue;
+ }
+
+ // check if the repulsion force between
+ // nodeA and nodeB has already been calculated
+ if (!processedNodeSet.has(nodeB) && !surrounding.has(nodeB))
+ {
+ var distanceX = Math.abs(nodeA.getCenterX()-nodeB.getCenterX()) -
+ ((nodeA.getWidth()/2) + (nodeB.getWidth()/2));
+ var distanceY = Math.abs(nodeA.getCenterY()-nodeB.getCenterY()) -
+ ((nodeA.getHeight()/2) + (nodeB.getHeight()/2));
+
+ // if the distance between nodeA and nodeB
+ // is less then calculation range
+ if ((distanceX <= this.repulsionRange) && (distanceY <= this.repulsionRange))
+ {
+ //then add nodeB to surrounding of nodeA
+ surrounding.add(nodeB);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ nodeA.surrounding = [...surrounding];
+
+ }
+ for (i = 0; i < nodeA.surrounding.length; i++)
+ {
+ this.calcRepulsionForce(nodeA, nodeA.surrounding[i]);
+ }
+};
+
+FDLayout.prototype.calcRepulsionRange = function () {
+ return 0.0;
+};
+
+module.exports = FDLayout;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutConstants.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutConstants.js
new file mode 100644
index 0000000000000000000000000000000000000000..35982be9a49f49c073080d4784877622b7545517
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutConstants.js
@@ -0,0 +1,34 @@
+var LayoutConstants = require('../LayoutConstants');
+
+function FDLayoutConstants() {
+}
+
+//FDLayoutConstants inherits static props in LayoutConstants
+for (var prop in LayoutConstants) {
+ FDLayoutConstants[prop] = LayoutConstants[prop];
+}
+
+FDLayoutConstants.MAX_ITERATIONS = 2500;
+
+FDLayoutConstants.DEFAULT_EDGE_LENGTH = 50;
+FDLayoutConstants.DEFAULT_SPRING_STRENGTH = 0.45;
+FDLayoutConstants.DEFAULT_REPULSION_STRENGTH = 4500.0;
+FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH = 0.4;
+FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = 1.0;
+FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR = 3.8;
+FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = 1.5;
+FDLayoutConstants.DEFAULT_USE_SMART_IDEAL_EDGE_LENGTH_CALCULATION = true;
+FDLayoutConstants.DEFAULT_USE_SMART_REPULSION_RANGE_CALCULATION = true;
+FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = 0.3;
+FDLayoutConstants.COOLING_ADAPTATION_FACTOR = 0.33;
+FDLayoutConstants.ADAPTATION_LOWER_NODE_LIMIT = 1000;
+FDLayoutConstants.ADAPTATION_UPPER_NODE_LIMIT = 5000;
+FDLayoutConstants.MAX_NODE_DISPLACEMENT_INCREMENTAL = 100.0;
+FDLayoutConstants.MAX_NODE_DISPLACEMENT = FDLayoutConstants.MAX_NODE_DISPLACEMENT_INCREMENTAL * 3;
+FDLayoutConstants.MIN_REPULSION_DIST = FDLayoutConstants.DEFAULT_EDGE_LENGTH / 10.0;
+FDLayoutConstants.CONVERGENCE_CHECK_PERIOD = 100;
+FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = 0.1;
+FDLayoutConstants.MIN_EDGE_LENGTH = 1;
+FDLayoutConstants.GRID_CALCULATION_CHECK_PERIOD = 10;
+
+module.exports = FDLayoutConstants;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutEdge.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutEdge.js
new file mode 100644
index 0000000000000000000000000000000000000000..b04ce28786fc4da46d2c97ee8a09dfebae26e6e0
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutEdge.js
@@ -0,0 +1,18 @@
+var LEdge = require('../LEdge');
+var FDLayoutConstants = require('./FDLayoutConstants');
+
+function FDLayoutEdge(source, target, vEdge) {
+ LEdge.call(this, source, target, vEdge);
+
+ // Ideal length and elasticity value for this edge
+ this.idealLength = FDLayoutConstants.DEFAULT_EDGE_LENGTH;
+ this.edgeElasticity = FDLayoutConstants.DEFAULT_SPRING_STRENGTH;
+}
+
+FDLayoutEdge.prototype = Object.create(LEdge.prototype);
+
+for (var prop in LEdge) {
+ FDLayoutEdge[prop] = LEdge[prop];
+}
+
+module.exports = FDLayoutEdge;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutNode.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutNode.js
new file mode 100644
index 0000000000000000000000000000000000000000..aa0f8bae806a5f5fc755bf4b5bc930cd6f7b3b6a
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/fd/FDLayoutNode.js
@@ -0,0 +1,47 @@
+var LNode = require('../LNode');
+var FDLayoutConstants = require('./FDLayoutConstants');
+
+function FDLayoutNode(gm, loc, size, vNode) {
+ // alternative constructor is handled inside LNode
+ LNode.call(this, gm, loc, size, vNode);
+
+ // Repulsion value of this node
+ this.nodeRepulsion = FDLayoutConstants.DEFAULT_REPULSION_STRENGTH;
+
+ //Spring, repulsion and gravitational forces acting on this node
+ this.springForceX = 0;
+ this.springForceY = 0;
+ this.repulsionForceX = 0;
+ this.repulsionForceY = 0;
+ this.gravitationForceX = 0;
+ this.gravitationForceY = 0;
+ //Amount by which this node is to be moved in this iteration
+ this.displacementX = 0;
+ this.displacementY = 0;
+
+ //Start and finish grid coordinates that this node is fallen into
+ this.startX = 0;
+ this.finishX = 0;
+ this.startY = 0;
+ this.finishY = 0;
+
+ //Geometric neighbors of this node
+ this.surrounding = [];
+}
+
+FDLayoutNode.prototype = Object.create(LNode.prototype);
+
+for (var prop in LNode) {
+ FDLayoutNode[prop] = LNode[prop];
+}
+
+FDLayoutNode.prototype.setGridCoordinates = function (_startX, _finishX, _startY, _finishY)
+{
+ this.startX = _startX;
+ this.finishX = _finishX;
+ this.startY = _startY;
+ this.finishY = _finishY;
+
+};
+
+module.exports = FDLayoutNode;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/DimensionD.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/DimensionD.js
new file mode 100644
index 0000000000000000000000000000000000000000..8632401eba8de3f019f3cec4d19f2b7bbec12ad5
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/DimensionD.js
@@ -0,0 +1,30 @@
+function DimensionD(width, height) {
+ this.width = 0;
+ this.height = 0;
+ if (width !== null && height !== null) {
+ this.height = height;
+ this.width = width;
+ }
+}
+
+DimensionD.prototype.getWidth = function ()
+{
+ return this.width;
+};
+
+DimensionD.prototype.setWidth = function (width)
+{
+ this.width = width;
+};
+
+DimensionD.prototype.getHeight = function ()
+{
+ return this.height;
+};
+
+DimensionD.prototype.setHeight = function (height)
+{
+ this.height = height;
+};
+
+module.exports = DimensionD;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Emitter.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Emitter.js
new file mode 100644
index 0000000000000000000000000000000000000000..b4d4934cf849fb2b94d0f6a06221d3a26726ec6b
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Emitter.js
@@ -0,0 +1,34 @@
+function Emitter(){
+ this.listeners = [];
+}
+
+var p = Emitter.prototype;
+
+p.addListener = function( event, callback ){
+ this.listeners.push({
+ event: event,
+ callback: callback
+ });
+};
+
+p.removeListener = function( event, callback ){
+ for( var i = this.listeners.length; i >= 0; i-- ){
+ var l = this.listeners[i];
+
+ if( l.event === event && l.callback === callback ){
+ this.listeners.splice( i, 1 );
+ }
+ }
+};
+
+p.emit = function( event, data ){
+ for( var i = 0; i < this.listeners.length; i++ ){
+ var l = this.listeners[i];
+
+ if( event === l.event ){
+ l.callback( data );
+ }
+ }
+};
+
+module.exports = Emitter;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/HashMap.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/HashMap.js
new file mode 100644
index 0000000000000000000000000000000000000000..0d8ad3e21900f92ad62433221325464f8e8ec80f
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/HashMap.js
@@ -0,0 +1,30 @@
+var UniqueIDGeneretor = require('./UniqueIDGeneretor');
+
+function HashMap() {
+ this.map = {};
+ this.keys = [];
+}
+
+HashMap.prototype.put = function (key, value) {
+ var theId = UniqueIDGeneretor.createID(key);
+ if (!this.contains(theId)) {
+ this.map[theId] = value;
+ this.keys.push(key);
+ }
+};
+
+HashMap.prototype.contains = function (key) {
+ var theId = UniqueIDGeneretor.createID(key);
+ return this.map[key] != null;
+};
+
+HashMap.prototype.get = function (key) {
+ var theId = UniqueIDGeneretor.createID(key);
+ return this.map[theId];
+};
+
+HashMap.prototype.keySet = function () {
+ return this.keys;
+};
+
+module.exports = HashMap;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/HashSet.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/HashSet.js
new file mode 100644
index 0000000000000000000000000000000000000000..84c23fc6cdff0e8b90aee8f3d2d71164f0f22422
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/HashSet.js
@@ -0,0 +1,55 @@
+var UniqueIDGeneretor = require('./UniqueIDGeneretor');
+
+function HashSet() {
+ this.set = {};
+}
+;
+
+HashSet.prototype.add = function (obj) {
+ var theId = UniqueIDGeneretor.createID(obj);
+ if (!this.contains(theId))
+ this.set[theId] = obj;
+};
+
+HashSet.prototype.remove = function (obj) {
+ delete this.set[UniqueIDGeneretor.createID(obj)];
+};
+
+HashSet.prototype.clear = function () {
+ this.set = {};
+};
+
+HashSet.prototype.contains = function (obj) {
+ return this.set[UniqueIDGeneretor.createID(obj)] == obj;
+};
+
+HashSet.prototype.isEmpty = function () {
+ return this.size() === 0;
+};
+
+HashSet.prototype.size = function () {
+ return Object.keys(this.set).length;
+};
+
+//concats this.set to the given list
+HashSet.prototype.addAllTo = function (list) {
+ var keys = Object.keys(this.set);
+ var length = keys.length;
+ for (var i = 0; i < length; i++) {
+ list.push(this.set[keys[i]]);
+ }
+};
+
+HashSet.prototype.size = function () {
+ return Object.keys(this.set).length;
+};
+
+HashSet.prototype.addAll = function (list) {
+ var s = list.length;
+ for (var i = 0; i < s; i++) {
+ var v = list[i];
+ this.add(v);
+ }
+};
+
+module.exports = HashSet;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/IGeometry.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/IGeometry.js
new file mode 100644
index 0000000000000000000000000000000000000000..b7fec84bbc61d8621caccc5a14a89939db75ece7
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/IGeometry.js
@@ -0,0 +1,621 @@
+/**
+ * This class maintains a list of static geometry related utility methods.
+ *
+ *
+ * Copyright: i-Vis Research Group, Bilkent University, 2007 - present
+ */
+
+const Point = require('./Point');
+
+function IGeometry() {
+
+}
+
+/**
+ * This method calculates *half* the amount in x and y directions of the two
+ * input rectangles needed to separate them keeping their respective
+ * positioning, and returns the result in the input array. An input
+ * separation buffer added to the amount in both directions. We assume that
+ * the two rectangles do intersect.
+ */
+IGeometry.calcSeparationAmount = function (rectA, rectB, overlapAmount, separationBuffer)
+{
+ if (!rectA.intersects(rectB)) {
+ throw "assert failed";
+ }
+
+ let directions = new Array(2);
+
+ this.decideDirectionsForOverlappingNodes(rectA, rectB, directions);
+
+ overlapAmount[0] = Math.min(rectA.getRight(), rectB.getRight()) -
+ Math.max(rectA.x, rectB.x);
+ overlapAmount[1] = Math.min(rectA.getBottom(), rectB.getBottom()) -
+ Math.max(rectA.y, rectB.y);
+
+ // update the overlapping amounts for the following cases:
+ if ((rectA.getX() <= rectB.getX()) && (rectA.getRight() >= rectB.getRight()))
+ {
+ /* Case x.1:
+ *
+ * rectA
+ * | |
+ * | _________ |
+ * | | | |
+ * |________|_______|______|
+ * | |
+ * | |
+ * rectB
+ */
+ overlapAmount[0] += Math.min((rectB.getX() - rectA.getX()),
+ (rectA.getRight() - rectB.getRight()));
+ }
+ else if ((rectB.getX() <= rectA.getX()) && (rectB.getRight() >= rectA.getRight()))
+ {
+ /* Case x.2:
+ *
+ * rectB
+ * | |
+ * | _________ |
+ * | | | |
+ * |________|_______|______|
+ * | |
+ * | |
+ * rectA
+ */
+ overlapAmount[0] += Math.min((rectA.getX() - rectB.getX()),
+ (rectB.getRight() - rectA.getRight()));
+ }
+ if ((rectA.getY() <= rectB.getY()) && (rectA.getBottom() >= rectB.getBottom()))
+ {
+ /* Case y.1:
+ * ________ rectA
+ * |
+ * |
+ * ______|____ rectB
+ * | |
+ * | |
+ * ______|____|
+ * |
+ * |
+ * |________
+ *
+ */
+ overlapAmount[1] += Math.min((rectB.getY() - rectA.getY()),
+ (rectA.getBottom() - rectB.getBottom()));
+ }
+ else if ((rectB.getY() <= rectA.getY()) && (rectB.getBottom() >= rectA.getBottom()))
+ {
+ /* Case y.2:
+ * ________ rectB
+ * |
+ * |
+ * ______|____ rectA
+ * | |
+ * | |
+ * ______|____|
+ * |
+ * |
+ * |________
+ *
+ */
+ overlapAmount[1] += Math.min((rectA.getY() - rectB.getY()),
+ (rectB.getBottom() - rectA.getBottom()));
+ }
+
+ // find slope of the line passes two centers
+ let slope = Math.abs((rectB.getCenterY() - rectA.getCenterY()) /
+ (rectB.getCenterX() - rectA.getCenterX()));
+ // if centers are overlapped
+ if ((rectB.getCenterY() === rectA.getCenterY()) &&
+ (rectB.getCenterX() === rectA.getCenterX()))
+ {
+ // assume the slope is 1 (45 degree)
+ slope = 1.0;
+ }
+
+ let moveByY = slope * overlapAmount[0];
+ let moveByX = overlapAmount[1] / slope;
+ if (overlapAmount[0] < moveByX)
+ {
+ moveByX = overlapAmount[0];
+ }
+ else
+ {
+ moveByY = overlapAmount[1];
+ }
+ // return half the amount so that if each rectangle is moved by these
+ // amounts in opposite directions, overlap will be resolved
+ overlapAmount[0] = -1 * directions[0] * ((moveByX / 2) + separationBuffer);
+ overlapAmount[1] = -1 * directions[1] * ((moveByY / 2) + separationBuffer);
+};
+
+/**
+ * This method decides the separation direction of overlapping nodes
+ *
+ * if directions[0] = -1, then rectA goes left
+ * if directions[0] = 1, then rectA goes right
+ * if directions[1] = -1, then rectA goes up
+ * if directions[1] = 1, then rectA goes down
+ */
+IGeometry.decideDirectionsForOverlappingNodes = function (rectA, rectB, directions)
+{
+ if (rectA.getCenterX() < rectB.getCenterX())
+ {
+ directions[0] = -1;
+ }
+ else
+ {
+ directions[0] = 1;
+ }
+
+ if (rectA.getCenterY() < rectB.getCenterY())
+ {
+ directions[1] = -1;
+ }
+ else
+ {
+ directions[1] = 1;
+ }
+};
+
+/**
+ * This method calculates the intersection (clipping) points of the two
+ * input rectangles with line segment defined by the centers of these two
+ * rectangles. The clipping points are saved in the input double array and
+ * whether or not the two rectangles overlap is returned.
+ */
+IGeometry.getIntersection2 = function(rectA, rectB, result)
+{
+ //result[0-1] will contain clipPoint of rectA, result[2-3] will contain clipPoint of rectB
+ let p1x = rectA.getCenterX();
+ let p1y = rectA.getCenterY();
+ let p2x = rectB.getCenterX();
+ let p2y = rectB.getCenterY();
+
+ //if two rectangles intersect, then clipping points are centers
+ if (rectA.intersects(rectB))
+ {
+ result[0] = p1x;
+ result[1] = p1y;
+ result[2] = p2x;
+ result[3] = p2y;
+ return true;
+ }
+ //variables for rectA
+ let topLeftAx = rectA.getX();
+ let topLeftAy = rectA.getY();
+ let topRightAx = rectA.getRight();
+ let bottomLeftAx = rectA.getX();
+ let bottomLeftAy = rectA.getBottom();
+ let bottomRightAx = rectA.getRight();
+ let halfWidthA = rectA.getWidthHalf();
+ let halfHeightA = rectA.getHeightHalf();
+ //variables for rectB
+ let topLeftBx = rectB.getX();
+ let topLeftBy = rectB.getY();
+ let topRightBx = rectB.getRight();
+ let bottomLeftBx = rectB.getX();
+ let bottomLeftBy = rectB.getBottom();
+ let bottomRightBx = rectB.getRight();
+ let halfWidthB = rectB.getWidthHalf();
+ let halfHeightB = rectB.getHeightHalf();
+
+ //flag whether clipping points are found
+ let clipPointAFound = false;
+ let clipPointBFound = false;
+
+ // line is vertical
+ if (p1x === p2x)
+ {
+ if (p1y > p2y)
+ {
+ result[0] = p1x;
+ result[1] = topLeftAy;
+ result[2] = p2x;
+ result[3] = bottomLeftBy;
+ return false;
+ }
+ else if (p1y < p2y)
+ {
+ result[0] = p1x;
+ result[1] = bottomLeftAy;
+ result[2] = p2x;
+ result[3] = topLeftBy;
+ return false;
+ }
+ else
+ {
+ //not line, return null;
+ }
+ }
+ // line is horizontal
+ else if (p1y === p2y)
+ {
+ if (p1x > p2x)
+ {
+ result[0] = topLeftAx;
+ result[1] = p1y;
+ result[2] = topRightBx;
+ result[3] = p2y;
+ return false;
+ }
+ else if (p1x < p2x)
+ {
+ result[0] = topRightAx;
+ result[1] = p1y;
+ result[2] = topLeftBx;
+ result[3] = p2y;
+ return false;
+ }
+ else
+ {
+ //not valid line, return null;
+ }
+ }
+ else
+ {
+ //slopes of rectA's and rectB's diagonals
+ let slopeA = rectA.height / rectA.width;
+ let slopeB = rectB.height / rectB.width;
+
+ //slope of line between center of rectA and center of rectB
+ let slopePrime = (p2y - p1y) / (p2x - p1x);
+ let cardinalDirectionA;
+ let cardinalDirectionB;
+ let tempPointAx;
+ let tempPointAy;
+ let tempPointBx;
+ let tempPointBy;
+
+ //determine whether clipping point is the corner of nodeA
+ if ((-slopeA) === slopePrime)
+ {
+ if (p1x > p2x)
+ {
+ result[0] = bottomLeftAx;
+ result[1] = bottomLeftAy;
+ clipPointAFound = true;
+ }
+ else
+ {
+ result[0] = topRightAx;
+ result[1] = topLeftAy;
+ clipPointAFound = true;
+ }
+ }
+ else if (slopeA === slopePrime)
+ {
+ if (p1x > p2x)
+ {
+ result[0] = topLeftAx;
+ result[1] = topLeftAy;
+ clipPointAFound = true;
+ }
+ else
+ {
+ result[0] = bottomRightAx;
+ result[1] = bottomLeftAy;
+ clipPointAFound = true;
+ }
+ }
+
+ //determine whether clipping point is the corner of nodeB
+ if ((-slopeB) === slopePrime)
+ {
+ if (p2x > p1x)
+ {
+ result[2] = bottomLeftBx;
+ result[3] = bottomLeftBy;
+ clipPointBFound = true;
+ }
+ else
+ {
+ result[2] = topRightBx;
+ result[3] = topLeftBy;
+ clipPointBFound = true;
+ }
+ }
+ else if (slopeB === slopePrime)
+ {
+ if (p2x > p1x)
+ {
+ result[2] = topLeftBx;
+ result[3] = topLeftBy;
+ clipPointBFound = true;
+ }
+ else
+ {
+ result[2] = bottomRightBx;
+ result[3] = bottomLeftBy;
+ clipPointBFound = true;
+ }
+ }
+
+ //if both clipping points are corners
+ if (clipPointAFound && clipPointBFound)
+ {
+ return false;
+ }
+
+ //determine Cardinal Direction of rectangles
+ if (p1x > p2x)
+ {
+ if (p1y > p2y)
+ {
+ cardinalDirectionA = this.getCardinalDirection(slopeA, slopePrime, 4);
+ cardinalDirectionB = this.getCardinalDirection(slopeB, slopePrime, 2);
+ }
+ else
+ {
+ cardinalDirectionA = this.getCardinalDirection(-slopeA, slopePrime, 3);
+ cardinalDirectionB = this.getCardinalDirection(-slopeB, slopePrime, 1);
+ }
+ }
+ else
+ {
+ if (p1y > p2y)
+ {
+ cardinalDirectionA = this.getCardinalDirection(-slopeA, slopePrime, 1);
+ cardinalDirectionB = this.getCardinalDirection(-slopeB, slopePrime, 3);
+ }
+ else
+ {
+ cardinalDirectionA = this.getCardinalDirection(slopeA, slopePrime, 2);
+ cardinalDirectionB = this.getCardinalDirection(slopeB, slopePrime, 4);
+ }
+ }
+ //calculate clipping Point if it is not found before
+ if (!clipPointAFound)
+ {
+ switch (cardinalDirectionA)
+ {
+ case 1:
+ tempPointAy = topLeftAy;
+ tempPointAx = p1x + (-halfHeightA) / slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ case 2:
+ tempPointAx = bottomRightAx;
+ tempPointAy = p1y + halfWidthA * slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ case 3:
+ tempPointAy = bottomLeftAy;
+ tempPointAx = p1x + halfHeightA / slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ case 4:
+ tempPointAx = bottomLeftAx;
+ tempPointAy = p1y + (-halfWidthA) * slopePrime;
+ result[0] = tempPointAx;
+ result[1] = tempPointAy;
+ break;
+ }
+ }
+ if (!clipPointBFound)
+ {
+ switch (cardinalDirectionB)
+ {
+ case 1:
+ tempPointBy = topLeftBy;
+ tempPointBx = p2x + (-halfHeightB) / slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ case 2:
+ tempPointBx = bottomRightBx;
+ tempPointBy = p2y + halfWidthB * slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ case 3:
+ tempPointBy = bottomLeftBy;
+ tempPointBx = p2x + halfHeightB / slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ case 4:
+ tempPointBx = bottomLeftBx;
+ tempPointBy = p2y + (-halfWidthB) * slopePrime;
+ result[2] = tempPointBx;
+ result[3] = tempPointBy;
+ break;
+ }
+ }
+ }
+ return false;
+};
+
+/**
+ * This method returns in which cardinal direction does input point stays
+ * 1: North
+ * 2: East
+ * 3: South
+ * 4: West
+ */
+IGeometry.getCardinalDirection = function (slope, slopePrime, line)
+{
+ if (slope > slopePrime)
+ {
+ return line;
+ }
+ else
+ {
+ return 1 + line % 4;
+ }
+};
+
+/**
+ * This method calculates the intersection of the two lines defined by
+ * point pairs (s1,s2) and (f1,f2).
+ */
+IGeometry.getIntersection = function(s1, s2, f1, f2)
+{
+ if (f2 == null) {
+ return this.getIntersection2(s1, s2, f1);
+ }
+
+ let x1 = s1.x;
+ let y1 = s1.y;
+ let x2 = s2.x;
+ let y2 = s2.y;
+ let x3 = f1.x;
+ let y3 = f1.y;
+ let x4 = f2.x;
+ let y4 = f2.y;
+ let x, y; // intersection point
+ let a1, a2, b1, b2, c1, c2; // coefficients of line eqns.
+ let denom;
+
+ a1 = y2 - y1;
+ b1 = x1 - x2;
+ c1 = x2 * y1 - x1 * y2; // { a1*x + b1*y + c1 = 0 is line 1 }
+
+ a2 = y4 - y3;
+ b2 = x3 - x4;
+ c2 = x4 * y3 - x3 * y4; // { a2*x + b2*y + c2 = 0 is line 2 }
+
+ denom = a1 * b2 - a2 * b1;
+
+ if (denom === 0)
+ {
+ return null;
+ }
+
+ x = (b1 * c2 - b2 * c1) / denom;
+ y = (a2 * c1 - a1 * c2) / denom;
+
+ return new Point(x, y);
+};
+
+/**
+ * This method finds and returns the angle of the vector from the + x-axis
+ * in clockwise direction (compatible w/ Java coordinate system!).
+ */
+IGeometry.angleOfVector = function(Cx, Cy, Nx, Ny)
+{
+ let C_angle;
+
+ if (Cx !== Nx)
+ {
+ C_angle = Math.atan((Ny - Cy) / (Nx - Cx));
+
+ if (Nx < Cx)
+ {
+ C_angle += Math.PI;
+ }
+ else if (Ny < Cy)
+ {
+ C_angle += this.TWO_PI;
+ }
+ }
+ else if (Ny < Cy)
+ {
+ C_angle = this.ONE_AND_HALF_PI; // 270 degrees
+ }
+ else
+ {
+ C_angle = this.HALF_PI; // 90 degrees
+ }
+
+ return C_angle;
+};
+
+
+/**
+ * This method checks whether the given two line segments (one with point
+ * p1 and p2, the other with point p3 and p4) intersect at a point other
+ * than these points.
+ */
+IGeometry.doIntersect = function(p1, p2, p3, p4){
+ let a = p1.x;
+ let b = p1.y;
+ let c = p2.x;
+ let d = p2.y;
+ let p = p3.x;
+ let q = p3.y;
+ let r = p4.x;
+ let s = p4.y;
+ let det = (c - a) * (s - q) - (r - p) * (d - b);
+
+ if (det === 0) {
+ return false;
+ } else {
+ let lambda = ((s - q) * (r - a) + (p - r) * (s - b)) / det;
+ let gamma = ((b - d) * (r - a) + (c - a) * (s - b)) / det;
+ return (0 < lambda && lambda < 1) && (0 < gamma && gamma < 1);
+ }
+};
+
+/**
+ * This method checks and calculates the intersection of
+ * a line segment and a circle.
+ */
+IGeometry.findCircleLineIntersections = function(Ex, Ey, Lx, Ly, Cx, Cy, r) {
+
+ // E is the starting point of the ray,
+ // L is the end point of the ray,
+ // C is the center of sphere you're testing against
+ // r is the radius of that sphere
+
+ // Compute:
+ // d = L - E ( Direction vector of ray, from start to end )
+ // f = E - C ( Vector from center sphere to ray start )
+
+ // Then the intersection is found by..
+ // P = E + t * d
+ // This is a parametric equation:
+ // Px = Ex + tdx
+ // Py = Ey + tdy
+
+ // get a, b, c values
+ let a = (Lx-Ex)*(Lx-Ex) + (Ly-Ey)*(Ly-Ey);
+ let b = 2*((Ex-Cx)*(Lx-Ex)+(Ey-Cy)*(Ly-Ey)) ;
+ let c = (Ex-Cx)*(Ex-Cx)+(Ey-Cy)*(Ey-Cy) - r*r ;
+
+ // get discriminant
+ var disc = b*b - 4 * a * c;
+ if (disc >= 0) {
+ // insert into quadratic formula
+ let t1 = (-b + Math.sqrt(b*b - 4 * a * c)) / (2 * a);
+ let t2 = (-b - Math.sqrt(b*b - 4 * a * c)) / (2 * a);
+ let intersections = null;
+ if( t1 >= 0 && t1 <= 1 )
+ {
+ // t1 is the intersection, and it's closer than t2
+ // (since t1 uses -b - discriminant)
+ // Impale, Poke
+ return [t1];
+ }
+
+ // here t1 didn't intersect so we are either started
+ // inside the sphere or completely past it
+ if( t2 >= 0 && t2 <= 1 )
+ {
+ // ExitWound
+ return [t2] ;
+ }
+
+ return intersections;
+ }
+ else
+ return null;
+};
+
+// -----------------------------------------------------------------------------
+// Section: Class Constants
+// -----------------------------------------------------------------------------
+/**
+ * Some useful pre-calculated constants
+ */
+IGeometry.HALF_PI = 0.5 * Math.PI;
+IGeometry.ONE_AND_HALF_PI = 1.5 * Math.PI;
+IGeometry.TWO_PI = 2.0 * Math.PI;
+IGeometry.THREE_PI = 3.0 * Math.PI;
+
+
+module.exports = IGeometry;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/IMath.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/IMath.js
new file mode 100644
index 0000000000000000000000000000000000000000..c9dd5da9d4717be284f30292ff3cac97089be8fd
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/IMath.js
@@ -0,0 +1,30 @@
+function IMath() {
+}
+
+/**
+ * This method returns the sign of the input value.
+ */
+IMath.sign = function (value) {
+ if (value > 0)
+ {
+ return 1;
+ }
+ else if (value < 0)
+ {
+ return -1;
+ }
+ else
+ {
+ return 0;
+ }
+};
+
+IMath.floor = function (value) {
+ return value < 0 ? Math.ceil(value) : Math.floor(value);
+};
+
+IMath.ceil = function (value) {
+ return value < 0 ? Math.floor(value) : Math.ceil(value);
+};
+
+module.exports = IMath;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Integer.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Integer.js
new file mode 100644
index 0000000000000000000000000000000000000000..e8e755ca89faea0fe9ab48fd19991315ed809809
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Integer.js
@@ -0,0 +1,7 @@
+function Integer() {
+}
+
+Integer.MAX_VALUE = 2147483647;
+Integer.MIN_VALUE = -2147483648;
+
+module.exports = Integer;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/LinkedList.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/LinkedList.js
new file mode 100644
index 0000000000000000000000000000000000000000..3a7cf9cc6e60b3b4a3caa523585a3962cc5eee6c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/LinkedList.js
@@ -0,0 +1,130 @@
+const nodeFrom = value => ({ value, next: null, prev: null });
+
+const add = ( prev, node, next, list ) => {
+ if( prev !== null ){
+ prev.next = node;
+ } else {
+ list.head = node;
+ }
+
+ if( next !== null ){
+ next.prev = node;
+ } else {
+ list.tail = node;
+ }
+
+ node.prev = prev;
+ node.next = next;
+
+ list.length++;
+
+ return node;
+};
+
+const remove = ( node, list ) => {
+ let { prev, next } = node;
+
+ if( prev !== null ){
+ prev.next = next;
+ } else {
+ list.head = next;
+ }
+
+ if( next !== null ){
+ next.prev = prev;
+ } else {
+ list.tail = prev;
+ }
+
+ node.prev = node.next = null;
+
+ list.length--;
+
+ return node;
+};
+
+class LinkedList {
+ constructor( vals ){
+ this.length = 0;
+ this.head = null;
+ this.tail = null;
+
+ if( vals != null ){
+ vals.forEach( v => this.push(v) );
+ }
+ }
+
+ size(){
+ return this.length;
+ }
+
+ insertBefore( val, otherNode ){
+ return add( otherNode.prev, nodeFrom(val), otherNode, this );
+ }
+
+ insertAfter( val, otherNode ){
+ return add( otherNode, nodeFrom(val), otherNode.next, this );
+ }
+
+ insertNodeBefore( newNode, otherNode ){
+ return add( otherNode.prev, newNode, otherNode, this );
+ }
+
+ insertNodeAfter( newNode, otherNode ){
+ return add( otherNode, newNode, otherNode.next, this );
+ }
+
+ push( val ){
+ return add( this.tail, nodeFrom(val), null, this );
+ }
+
+ unshift( val ){
+ return add( null, nodeFrom(val), this.head, this );
+ }
+
+ remove( node ){
+ return remove( node, this );
+ }
+
+ pop(){
+ return remove( this.tail, this ).value;
+ }
+
+ popNode(){
+ return remove( this.tail, this );
+ }
+
+ shift(){
+ return remove( this.head, this ).value;
+ }
+
+ shiftNode(){
+ return remove( this.head, this );
+ }
+
+ get_object_at( index ){
+ if(index <= this.length()){
+ var i = 1;
+ var current = this.head;
+ while(i < index){
+ current = current.next;
+ i++;
+ }
+ return current.value;
+ }
+ }
+
+ set_object_at( index, value){
+ if(index <= this.length()) {
+ var i = 1;
+ var current = this.head;
+ while (i < index) {
+ current = current.next;
+ i++;
+ }
+ current.value = value;
+ }
+ }
+}
+
+module.exports = LinkedList;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Matrix.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Matrix.js
new file mode 100644
index 0000000000000000000000000000000000000000..aee02206f26bfefeda0043cf54a211079c99e9b1
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Matrix.js
@@ -0,0 +1,164 @@
+// Some matrix (1d and 2d array) operations
+function Matrix() {
+}
+
+/**
+ * matrix multiplication
+ * array1, array2 and result are 2d arrays
+ */
+Matrix.multMat = function(array1, array2){
+ let result = [];
+
+ for(let i = 0; i < array1.length; i++){
+ result[i] = [];
+ for(let j = 0; j < array2[0].length; j++){
+ result[i][j] = 0;
+ for(let k = 0; k < array1[0].length; k++){
+ result[i][j] += array1[i][k] * array2[k][j];
+ }
+ }
+ }
+ return result;
+};
+
+/**
+ * matrix transpose
+ * array and result are 2d arrays
+ */
+Matrix.transpose = function(array){
+ let result = [];
+
+ for(let i = 0; i < array[0].length; i++){
+ result[i] = [];
+ for(let j = 0; j < array.length; j++){
+ result[i][j] = array[j][i];
+ }
+ }
+
+ return result;
+};
+
+/**
+ * multiply array with constant
+ * array and result are 1d arrays
+ */
+Matrix.multCons = function(array, constant){
+ let result = [];
+
+ for(let i = 0; i < array.length; i++){
+ result[i] = array[i] * constant;
+ }
+
+ return result;
+};
+
+/**
+ * substract two arrays
+ * array1, array2 and result are 1d arrays
+ */
+Matrix.minusOp = function(array1, array2){
+ let result = [];
+
+ for(let i = 0; i < array1.length; i++){
+ result[i] = array1[i] - array2[i];
+ }
+
+ return result;
+};
+
+/**
+ * dot product of two arrays with same size
+ * array1 and array2 are 1d arrays
+ */
+Matrix.dotProduct = function(array1, array2){
+ let product = 0;
+
+ for(let i = 0; i < array1.length; i++){
+ product += array1[i] * array2[i];
+ }
+
+ return product;
+};
+
+/**
+ * magnitude of an array
+ * array is 1d array
+ */
+Matrix.mag = function(array){
+ return Math.sqrt(this.dotProduct(array, array));
+};
+
+/**
+ * normalization of an array
+ * array and result are 1d array
+ */
+Matrix.normalize = function(array){
+ let result = [];
+ let magnitude = this.mag(array);
+
+ for(let i = 0; i < array.length; i++){
+ result[i] = array[i] / magnitude;
+ }
+
+ return result;
+};
+
+/**
+ * multiply an array with centering matrix
+ * array and result are 1d array
+ */
+Matrix.multGamma = function(array){
+ let result = [];
+ let sum = 0;
+
+ for(let i = 0; i < array.length; i++){
+ sum += array[i];
+ }
+
+ sum *= (-1)/array.length;
+
+ for(let i = 0; i < array.length; i++){
+ result[i] = sum + array[i];
+ }
+ return result;
+};
+
+/**
+ * a special matrix multiplication
+ * result = 0.5 * C * INV * C^T * array
+ * array and result are 1d, C and INV are 2d arrays
+ */
+Matrix.multL = function(array, C, INV){
+ let result = [];
+ let temp1 = [];
+ let temp2 = [];
+
+ // multiply by C^T
+ for(let i = 0; i < C[0].length; i++){
+ let sum = 0;
+ for(let j = 0; j < C.length; j++){
+ sum += -0.5 * C[j][i] * array[j];
+ }
+ temp1[i] = sum;
+ }
+ // multiply the result by INV
+ for(let i = 0; i < INV.length; i++){
+ let sum = 0;
+ for(let j = 0; j < INV.length; j++){
+ sum += INV[i][j] * temp1[j];
+ }
+ temp2[i] = sum;
+ }
+ // multiply the result by C
+ for(let i = 0; i < C.length; i++){
+ let sum = 0;
+ for(let j = 0; j < C[0].length; j++){
+ sum += C[i][j] * temp2[j];
+ }
+ result[i] = sum;
+ }
+
+ return result;
+};
+
+module.exports = Matrix;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Point.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Point.js
new file mode 100644
index 0000000000000000000000000000000000000000..0e905fc982a175bbb5f681ebcf4f4103f0537188
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Point.js
@@ -0,0 +1,73 @@
+/*
+ *This class is the javascript implementation of the Point.java class in jdk
+ */
+function Point(x, y, p) {
+ this.x = null;
+ this.y = null;
+ if (x == null && y == null && p == null) {
+ this.x = 0;
+ this.y = 0;
+ }
+ else if (typeof x == 'number' && typeof y == 'number' && p == null) {
+ this.x = x;
+ this.y = y;
+ }
+ else if (x.constructor.name == 'Point' && y == null && p == null) {
+ p = x;
+ this.x = p.x;
+ this.y = p.y;
+ }
+}
+
+Point.prototype.getX = function () {
+ return this.x;
+}
+
+Point.prototype.getY = function () {
+ return this.y;
+}
+
+Point.prototype.getLocation = function () {
+ return new Point(this.x, this.y);
+}
+
+Point.prototype.setLocation = function (x, y, p) {
+ if (x.constructor.name == 'Point' && y == null && p == null) {
+ p = x;
+ this.setLocation(p.x, p.y);
+ }
+ else if (typeof x == 'number' && typeof y == 'number' && p == null) {
+ //if both parameters are integer just move (x,y) location
+ if (parseInt(x) == x && parseInt(y) == y) {
+ this.move(x, y);
+ }
+ else {
+ this.x = Math.floor(x + 0.5);
+ this.y = Math.floor(y + 0.5);
+ }
+ }
+}
+
+Point.prototype.move = function (x, y) {
+ this.x = x;
+ this.y = y;
+}
+
+Point.prototype.translate = function (dx, dy) {
+ this.x += dx;
+ this.y += dy;
+}
+
+Point.prototype.equals = function (obj) {
+ if (obj.constructor.name == "Point") {
+ var pt = obj;
+ return (this.x == pt.x) && (this.y == pt.y);
+ }
+ return this == obj;
+}
+
+Point.prototype.toString = function () {
+ return new Point().constructor.name + "[x=" + this.x + ",y=" + this.y + "]";
+}
+
+module.exports = Point;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/PointD.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/PointD.js
new file mode 100644
index 0000000000000000000000000000000000000000..4fc34ec4e7dc32fe0d1d639e9bbc2c45f93e0fa0
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/PointD.js
@@ -0,0 +1,48 @@
+function PointD(x, y) {
+ if (x == null && y == null) {
+ this.x = 0;
+ this.y = 0;
+ } else {
+ this.x = x;
+ this.y = y;
+ }
+}
+
+PointD.prototype.getX = function ()
+{
+ return this.x;
+};
+
+PointD.prototype.getY = function ()
+{
+ return this.y;
+};
+
+PointD.prototype.setX = function (x)
+{
+ this.x = x;
+};
+
+PointD.prototype.setY = function (y)
+{
+ this.y = y;
+};
+
+PointD.prototype.getDifference = function (pt)
+{
+ return new DimensionD(this.x - pt.x, this.y - pt.y);
+};
+
+PointD.prototype.getCopy = function ()
+{
+ return new PointD(this.x, this.y);
+};
+
+PointD.prototype.translate = function (dim)
+{
+ this.x += dim.width;
+ this.y += dim.height;
+ return this;
+};
+
+module.exports = PointD;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Quicksort.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Quicksort.js
new file mode 100644
index 0000000000000000000000000000000000000000..cee9ecb96980084a928dc550e8dafd9782ecee39
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Quicksort.js
@@ -0,0 +1,77 @@
+/**
+ * A classic Quicksort algorithm with Hoare's partition
+ * - Works also on LinkedList objects
+ *
+ * Copyright: i-Vis Research Group, Bilkent University, 2007 - present
+ */
+
+const LinkedList = require('./LinkedList.js');
+
+class Quicksort {
+ constructor(A, compareFunction) {
+ if(compareFunction !== null || compareFunction !== undefined)
+ this.compareFunction = this._defaultCompareFunction;
+
+ let length;
+ if( A instanceof LinkedList )
+ length = A.size();
+ else
+ length = A.length;
+
+ this._quicksort(A, 0, length - 1);
+ }
+
+ _quicksort(A, p, r){
+ if(p < r) {
+ let q = this._partition(A, p, r);
+ this._quicksort(A, p, q);
+ this._quicksort(A, q + 1, r);
+ }
+ }
+
+ _partition(A, p, r){
+ let x = this._get(A, p);
+ let i = p;
+ let j = r;
+ while(true){
+ while (this.compareFunction(x, this._get(A, j)))
+ j--;
+ while (this.compareFunction(this._get(A, i), x))
+ i++;
+
+ if (i < j){
+ this._swap(A, i, j);
+ i++;
+ j--;
+ }
+ else
+ return j;
+ }
+ }
+
+ _get(object, index){
+ if( object instanceof LinkedList)
+ return object.get_object_at(index);
+ else
+ return object[index];
+ }
+
+ _set(object, index, value){
+ if( object instanceof LinkedList)
+ object.set_object_at(index, value);
+ else
+ object[index] = value;
+ }
+
+ _swap(A, i, j){
+ let temp = this._get(A, i);
+ this._set(A, i, this._get(A, j));
+ this._set(A, j, temp);
+ }
+
+ _defaultCompareFunction(a, b){
+ return b > a;
+ }
+}
+
+module.exports = Quicksort;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/RandomSeed.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/RandomSeed.js
new file mode 100644
index 0000000000000000000000000000000000000000..f71f40ff7ec10ea75fc5efe67edfa73c7d8fa952
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/RandomSeed.js
@@ -0,0 +1,12 @@
+function RandomSeed() {
+}
+// adapted from: https://stackoverflow.com/a/19303725
+RandomSeed.seed = 1;
+RandomSeed.x = 0;
+
+RandomSeed.nextDouble = function () {
+ RandomSeed.x = Math.sin(RandomSeed.seed++) * 10000;
+ return RandomSeed.x - Math.floor(RandomSeed.x);
+};
+
+module.exports = RandomSeed;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/RectangleD.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/RectangleD.js
new file mode 100644
index 0000000000000000000000000000000000000000..d36e3571ddb424b495258bfdf2b611070b4b5c8c
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/RectangleD.js
@@ -0,0 +1,130 @@
+function RectangleD(x, y, width, height) {
+ this.x = 0;
+ this.y = 0;
+ this.width = 0;
+ this.height = 0;
+
+ if (x != null && y != null && width != null && height != null) {
+ this.x = x;
+ this.y = y;
+ this.width = width;
+ this.height = height;
+ }
+}
+
+RectangleD.prototype.getX = function ()
+{
+ return this.x;
+};
+
+RectangleD.prototype.setX = function (x)
+{
+ this.x = x;
+};
+
+RectangleD.prototype.getY = function ()
+{
+ return this.y;
+};
+
+RectangleD.prototype.setY = function (y)
+{
+ this.y = y;
+};
+
+RectangleD.prototype.getWidth = function ()
+{
+ return this.width;
+};
+
+RectangleD.prototype.setWidth = function (width)
+{
+ this.width = width;
+};
+
+RectangleD.prototype.getHeight = function ()
+{
+ return this.height;
+};
+
+RectangleD.prototype.setHeight = function (height)
+{
+ this.height = height;
+};
+
+RectangleD.prototype.getRight = function ()
+{
+ return this.x + this.width;
+};
+
+RectangleD.prototype.getBottom = function ()
+{
+ return this.y + this.height;
+};
+
+RectangleD.prototype.intersects = function (a)
+{
+ if (this.getRight() < a.x)
+ {
+ return false;
+ }
+
+ if (this.getBottom() < a.y)
+ {
+ return false;
+ }
+
+ if (a.getRight() < this.x)
+ {
+ return false;
+ }
+
+ if (a.getBottom() < this.y)
+ {
+ return false;
+ }
+
+ return true;
+};
+
+RectangleD.prototype.getCenterX = function ()
+{
+ return this.x + this.width / 2;
+};
+
+RectangleD.prototype.getMinX = function ()
+{
+ return this.getX();
+};
+
+RectangleD.prototype.getMaxX = function ()
+{
+ return this.getX() + this.width;
+};
+
+RectangleD.prototype.getCenterY = function ()
+{
+ return this.y + this.height / 2;
+};
+
+RectangleD.prototype.getMinY = function ()
+{
+ return this.getY();
+};
+
+RectangleD.prototype.getMaxY = function ()
+{
+ return this.getY() + this.height;
+};
+
+RectangleD.prototype.getWidthHalf = function ()
+{
+ return this.width / 2;
+};
+
+RectangleD.prototype.getHeightHalf = function ()
+{
+ return this.height / 2;
+};
+
+module.exports = RectangleD;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/SVD.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/SVD.js
new file mode 100644
index 0000000000000000000000000000000000000000..2029bcc80cf1c1b2e12a5f6d2f548f43ceaa7168
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/SVD.js
@@ -0,0 +1,639 @@
+// Singular Value Decomposition implementation
+function SVD() {
+};
+
+/* Below singular value decomposition (svd) code including hypot function is adopted from https://github.com/dragonfly-ai/JamaJS
+ Some changes are applied to make the code compatible with the fcose code and to make it independent from Jama.
+ Input matrix is changed to a 2D array instead of Jama matrix. Matrix dimensions are taken according to 2D array instead of using Jama functions.
+ An object that includes singular value components is created for return.
+ The types of input parameters of the hypot function are removed.
+ let is used instead of var for the variable initialization.
+*/
+/*
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
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+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
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+
+ "You" (or "Your") shall mean an individual or Legal Entity
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+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
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+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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+ or contributory patent infringement, then any patent licenses
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+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "{}"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright {yyyy} {name of copyright owner}
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+SVD.svd = function (A) {
+ this.U = null;
+ this.V = null;
+ this.s = null;
+ this.m = 0;
+ this.n = 0;
+ this.m = A.length;
+ this.n = A[0].length;
+ let nu = Math.min(this.m, this.n);
+ this.s = (function (s) {
+ let a = [];
+ while (s-- > 0)
+ a.push(0);
+ return a;
+ })(Math.min(this.m + 1, this.n));
+ this.U = (function (dims) {
+ let allocate = function (dims) {
+ if (dims.length == 0) {
+ return 0;
+ } else {
+ let array = [];
+ for (let i = 0; i < dims[0]; i++) {
+ array.push(allocate(dims.slice(1)));
+ }
+ return array;
+ }
+ };
+ return allocate(dims);
+ })([this.m, nu]);
+ this.V = (function (dims) {
+ let allocate = function (dims) {
+ if (dims.length == 0) {
+ return 0;
+ } else {
+ let array = [];
+ for (let i = 0; i < dims[0]; i++) {
+ array.push(allocate(dims.slice(1)));
+ }
+ return array;
+ }
+ };
+ return allocate(dims);
+ })([this.n, this.n]);
+ let e = (function (s) {
+ let a = [];
+ while (s-- > 0)
+ a.push(0);
+ return a;
+ })(this.n);
+ let work = (function (s) {
+ let a = [];
+ while (s-- > 0)
+ a.push(0);
+ return a;
+ })(this.m);
+ let wantu = true;
+ let wantv = true;
+ let nct = Math.min(this.m - 1, this.n);
+ let nrt = Math.max(0, Math.min(this.n - 2, this.m));
+ for (let k = 0; k < Math.max(nct, nrt); k++) {
+ if (k < nct) {
+ this.s[k] = 0;
+ for (let i = k; i < this.m; i++) {
+ this.s[k] = SVD.hypot(this.s[k], A[i][k]);
+ }
+ ;
+ if (this.s[k] !== 0.0) {
+ if (A[k][k] < 0.0) {
+ this.s[k] = -this.s[k];
+ }
+ for (let i = k; i < this.m; i++) {
+ A[i][k] /= this.s[k];
+ }
+ ;
+ A[k][k] += 1.0;
+ }
+ this.s[k] = -this.s[k];
+ }
+ for (let j = k + 1; j < this.n; j++) {
+ if ((function (lhs, rhs) {
+ return lhs && rhs;
+ })((k < nct), (this.s[k] !== 0.0))) {
+ let t = 0;
+ for (let i = k; i < this.m; i++) {
+ t += A[i][k] * A[i][j];
+ }
+ ;
+ t = -t / A[k][k];
+ for (let i = k; i < this.m; i++) {
+ A[i][j] += t * A[i][k];
+ }
+ ;
+ }
+ e[j] = A[k][j];
+ }
+ ;
+ if ((function (lhs, rhs) {
+ return lhs && rhs;
+ })(wantu, (k < nct))) {
+ for (let i = k; i < this.m; i++) {
+ this.U[i][k] = A[i][k];
+ }
+ ;
+ }
+ if (k < nrt) {
+ e[k] = 0;
+ for (let i = k + 1; i < this.n; i++) {
+ e[k] = SVD.hypot(e[k], e[i]);
+ }
+ ;
+ if (e[k] !== 0.0) {
+ if (e[k + 1] < 0.0) {
+ e[k] = -e[k];
+ }
+ for (let i = k + 1; i < this.n; i++) {
+ e[i] /= e[k];
+ }
+ ;
+ e[k + 1] += 1.0;
+ }
+ e[k] = -e[k];
+ if ((function (lhs, rhs) {
+ return lhs && rhs;
+ })((k + 1 < this.m), (e[k] !== 0.0))) {
+ for (let i = k + 1; i < this.m; i++) {
+ work[i] = 0.0;
+ }
+ ;
+ for (let j = k + 1; j < this.n; j++) {
+ for (let i = k + 1; i < this.m; i++) {
+ work[i] += e[j] * A[i][j];
+ }
+ ;
+ }
+ ;
+ for (let j = k + 1; j < this.n; j++) {
+ let t = -e[j] / e[k + 1];
+ for (let i = k + 1; i < this.m; i++) {
+ A[i][j] += t * work[i];
+ }
+ ;
+ }
+ ;
+ }
+ if (wantv) {
+ for (let i = k + 1; i < this.n; i++) {
+ this.V[i][k] = e[i];
+ };
+ }
+ }
+ };
+ let p = Math.min(this.n, this.m + 1);
+ if (nct < this.n) {
+ this.s[nct] = A[nct][nct];
+ }
+ if (this.m < p) {
+ this.s[p - 1] = 0.0;
+ }
+ if (nrt + 1 < p) {
+ e[nrt] = A[nrt][p - 1];
+ }
+ e[p - 1] = 0.0;
+ if (wantu) {
+ for (let j = nct; j < nu; j++) {
+ for (let i = 0; i < this.m; i++) {
+ this.U[i][j] = 0.0;
+ }
+ ;
+ this.U[j][j] = 1.0;
+ };
+ for (let k = nct - 1; k >= 0; k--) {
+ if (this.s[k] !== 0.0) {
+ for (let j = k + 1; j < nu; j++) {
+ let t = 0;
+ for (let i = k; i < this.m; i++) {
+ t += this.U[i][k] * this.U[i][j];
+ };
+ t = -t / this.U[k][k];
+ for (let i = k; i < this.m; i++) {
+ this.U[i][j] += t * this.U[i][k];
+ };
+ };
+ for (let i = k; i < this.m; i++) {
+ this.U[i][k] = -this.U[i][k];
+ };
+ this.U[k][k] = 1.0 + this.U[k][k];
+ for (let i = 0; i < k - 1; i++) {
+ this.U[i][k] = 0.0;
+ };
+ } else {
+ for (let i = 0; i < this.m; i++) {
+ this.U[i][k] = 0.0;
+ };
+ this.U[k][k] = 1.0;
+ }
+ };
+ }
+ if (wantv) {
+ for (let k = this.n - 1; k >= 0; k--) {
+ if ((function (lhs, rhs) {
+ return lhs && rhs;
+ })((k < nrt), (e[k] !== 0.0))) {
+ for (let j = k + 1; j < nu; j++) {
+ let t = 0;
+ for (let i = k + 1; i < this.n; i++) {
+ t += this.V[i][k] * this.V[i][j];
+ };
+ t = -t / this.V[k + 1][k];
+ for (let i = k + 1; i < this.n; i++) {
+ this.V[i][j] += t * this.V[i][k];
+ };
+ };
+ }
+ for (let i = 0; i < this.n; i++) {
+ this.V[i][k] = 0.0;
+ };
+ this.V[k][k] = 1.0;
+ };
+ }
+ let pp = p - 1;
+ let iter = 0;
+ let eps = Math.pow(2.0, -52.0);
+ let tiny = Math.pow(2.0, -966.0);
+ while ((p > 0)) {
+ let k = void 0;
+ let kase = void 0;
+ for (k = p - 2; k >= -1; k--) {
+ if (k === -1) {
+ break;
+ }
+ if (Math.abs(e[k]) <= tiny + eps * (Math.abs(this.s[k]) + Math.abs(this.s[k + 1]))) {
+ e[k] = 0.0;
+ break;
+ }
+ };
+ if (k === p - 2) {
+ kase = 4;
+ } else {
+ let ks = void 0;
+ for (ks = p - 1; ks >= k; ks--) {
+ if (ks === k) {
+ break;
+ }
+ let t = (ks !== p ? Math.abs(e[ks]) : 0.0) + (ks !== k + 1 ? Math.abs(e[ks - 1]) : 0.0);
+ if (Math.abs(this.s[ks]) <= tiny + eps * t) {
+ this.s[ks] = 0.0;
+ break;
+ }
+ };
+ if (ks === k) {
+ kase = 3;
+ } else if (ks === p - 1) {
+ kase = 1;
+ } else {
+ kase = 2;
+ k = ks;
+ }
+ }
+ k++;
+ switch ((kase)) {
+ case 1:
+ {
+ let f = e[p - 2];
+ e[p - 2] = 0.0;
+ for (let j = p - 2; j >= k; j--) {
+ let t = SVD.hypot(this.s[j], f);
+ let cs = this.s[j] / t;
+ let sn = f / t;
+ this.s[j] = t;
+ if (j !== k) {
+ f = -sn * e[j - 1];
+ e[j - 1] = cs * e[j - 1];
+ }
+ if (wantv) {
+ for (let i = 0; i < this.n; i++) {
+ t = cs * this.V[i][j] + sn * this.V[i][p - 1];
+ this.V[i][p - 1] = -sn * this.V[i][j] + cs * this.V[i][p - 1];
+ this.V[i][j] = t;
+ };
+ }
+ };
+ };
+ break;
+ case 2:
+ {
+ let f = e[k - 1];
+ e[k - 1] = 0.0;
+ for (let j = k; j < p; j++) {
+ let t = SVD.hypot(this.s[j], f);
+ let cs = this.s[j] / t;
+ let sn = f / t;
+ this.s[j] = t;
+ f = -sn * e[j];
+ e[j] = cs * e[j];
+ if (wantu) {
+ for (let i = 0; i < this.m; i++) {
+ t = cs * this.U[i][j] + sn * this.U[i][k - 1];
+ this.U[i][k - 1] = -sn * this.U[i][j] + cs * this.U[i][k - 1];
+ this.U[i][j] = t;
+ };
+ }
+ };
+ };
+ break;
+ case 3:
+ {
+ let scale = Math.max(Math.max(Math.max(Math.max(Math.abs(this.s[p - 1]), Math.abs(this.s[p - 2])), Math.abs(e[p - 2])), Math.abs(this.s[k])), Math.abs(e[k]));
+ let sp = this.s[p - 1] / scale;
+ let spm1 = this.s[p - 2] / scale;
+ let epm1 = e[p - 2] / scale;
+ let sk = this.s[k] / scale;
+ let ek = e[k] / scale;
+ let b = ((spm1 + sp) * (spm1 - sp) + epm1 * epm1) / 2.0;
+ let c = (sp * epm1) * (sp * epm1);
+ let shift = 0.0;
+ if ((function (lhs, rhs) {
+ return lhs || rhs;
+ })((b !== 0.0), (c !== 0.0))) {
+ shift = Math.sqrt(b * b + c);
+ if (b < 0.0) {
+ shift = -shift;
+ }
+ shift = c / (b + shift);
+ }
+ let f = (sk + sp) * (sk - sp) + shift;
+ let g = sk * ek;
+ for (let j = k; j < p - 1; j++) {
+ let t = SVD.hypot(f, g);
+ let cs = f / t;
+ let sn = g / t;
+ if (j !== k) {
+ e[j - 1] = t;
+ }
+ f = cs * this.s[j] + sn * e[j];
+ e[j] = cs * e[j] - sn * this.s[j];
+ g = sn * this.s[j + 1];
+ this.s[j + 1] = cs * this.s[j + 1];
+ if (wantv) {
+ for (let i = 0; i < this.n; i++) {
+ t = cs * this.V[i][j] + sn * this.V[i][j + 1];
+ this.V[i][j + 1] = -sn * this.V[i][j] + cs * this.V[i][j + 1];
+ this.V[i][j] = t;
+ };
+ }
+ t = SVD.hypot(f, g);
+ cs = f / t;
+ sn = g / t;
+ this.s[j] = t;
+ f = cs * e[j] + sn * this.s[j + 1];
+ this.s[j + 1] = -sn * e[j] + cs * this.s[j + 1];
+ g = sn * e[j + 1];
+ e[j + 1] = cs * e[j + 1];
+ if (wantu && (j < this.m - 1)) {
+ for (let i = 0; i < this.m; i++) {
+ t = cs * this.U[i][j] + sn * this.U[i][j + 1];
+ this.U[i][j + 1] = -sn * this.U[i][j] + cs * this.U[i][j + 1];
+ this.U[i][j] = t;
+ };
+ }
+ };
+ e[p - 2] = f;
+ iter = iter + 1;
+ };
+ break;
+ case 4:
+ {
+ if (this.s[k] <= 0.0) {
+ this.s[k] = (this.s[k] < 0.0 ? -this.s[k] : 0.0);
+ if (wantv) {
+ for (let i = 0; i <= pp; i++) {
+ this.V[i][k] = -this.V[i][k];
+ };
+ }
+ }
+ while ((k < pp)) {
+ if (this.s[k] >= this.s[k + 1]) {
+ break;
+ }
+ let t = this.s[k];
+ this.s[k] = this.s[k + 1];
+ this.s[k + 1] = t;
+ if (wantv && (k < this.n - 1)) {
+ for (let i = 0; i < this.n; i++) {
+ t = this.V[i][k + 1];
+ this.V[i][k + 1] = this.V[i][k];
+ this.V[i][k] = t;
+ };
+ }
+ if (wantu && (k < this.m - 1)) {
+ for (let i = 0; i < this.m; i++) {
+ t = this.U[i][k + 1];
+ this.U[i][k + 1] = this.U[i][k];
+ this.U[i][k] = t;
+ };
+ }
+ k++;
+ };
+ iter = 0;
+ p--;
+ };
+ break;
+ }
+ };
+ let result = {U: this.U, V: this.V, S: this.s};
+ return result;
+};
+
+// sqrt(a^2 + b^2) without under/overflow.
+SVD.hypot = function(a, b) {
+ let r;
+ if (Math.abs(a) > Math.abs(b)) {
+ r = b/a;
+ r = Math.abs(a)*Math.sqrt(1+r*r);
+ } else if (b != 0) {
+ r = a/b;
+ r = Math.abs(b)*Math.sqrt(1+r*r);
+ } else {
+ r = 0.0;
+ }
+ return r;
+};
+
+module.exports = SVD;
+
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Transform.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Transform.js
new file mode 100644
index 0000000000000000000000000000000000000000..fc7c120f36d32c97404f9915e255067e2a6db553
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/Transform.js
@@ -0,0 +1,157 @@
+var PointD = require('./PointD');
+
+function Transform(x, y) {
+ this.lworldOrgX = 0.0;
+ this.lworldOrgY = 0.0;
+ this.ldeviceOrgX = 0.0;
+ this.ldeviceOrgY = 0.0;
+ this.lworldExtX = 1.0;
+ this.lworldExtY = 1.0;
+ this.ldeviceExtX = 1.0;
+ this.ldeviceExtY = 1.0;
+}
+
+Transform.prototype.getWorldOrgX = function ()
+{
+ return this.lworldOrgX;
+}
+
+Transform.prototype.setWorldOrgX = function (wox)
+{
+ this.lworldOrgX = wox;
+}
+
+Transform.prototype.getWorldOrgY = function ()
+{
+ return this.lworldOrgY;
+}
+
+Transform.prototype.setWorldOrgY = function (woy)
+{
+ this.lworldOrgY = woy;
+}
+
+Transform.prototype.getWorldExtX = function ()
+{
+ return this.lworldExtX;
+}
+
+Transform.prototype.setWorldExtX = function (wex)
+{
+ this.lworldExtX = wex;
+}
+
+Transform.prototype.getWorldExtY = function ()
+{
+ return this.lworldExtY;
+}
+
+Transform.prototype.setWorldExtY = function (wey)
+{
+ this.lworldExtY = wey;
+}
+
+/* Device related */
+
+Transform.prototype.getDeviceOrgX = function ()
+{
+ return this.ldeviceOrgX;
+}
+
+Transform.prototype.setDeviceOrgX = function (dox)
+{
+ this.ldeviceOrgX = dox;
+}
+
+Transform.prototype.getDeviceOrgY = function ()
+{
+ return this.ldeviceOrgY;
+}
+
+Transform.prototype.setDeviceOrgY = function (doy)
+{
+ this.ldeviceOrgY = doy;
+}
+
+Transform.prototype.getDeviceExtX = function ()
+{
+ return this.ldeviceExtX;
+}
+
+Transform.prototype.setDeviceExtX = function (dex)
+{
+ this.ldeviceExtX = dex;
+}
+
+Transform.prototype.getDeviceExtY = function ()
+{
+ return this.ldeviceExtY;
+}
+
+Transform.prototype.setDeviceExtY = function (dey)
+{
+ this.ldeviceExtY = dey;
+}
+
+Transform.prototype.transformX = function (x)
+{
+ var xDevice = 0.0;
+ var worldExtX = this.lworldExtX;
+ if (worldExtX != 0.0)
+ {
+ xDevice = this.ldeviceOrgX +
+ ((x - this.lworldOrgX) * this.ldeviceExtX / worldExtX);
+ }
+
+ return xDevice;
+}
+
+Transform.prototype.transformY = function (y)
+{
+ var yDevice = 0.0;
+ var worldExtY = this.lworldExtY;
+ if (worldExtY != 0.0)
+ {
+ yDevice = this.ldeviceOrgY +
+ ((y - this.lworldOrgY) * this.ldeviceExtY / worldExtY);
+ }
+
+
+ return yDevice;
+}
+
+Transform.prototype.inverseTransformX = function (x)
+{
+ var xWorld = 0.0;
+ var deviceExtX = this.ldeviceExtX;
+ if (deviceExtX != 0.0)
+ {
+ xWorld = this.lworldOrgX +
+ ((x - this.ldeviceOrgX) * this.lworldExtX / deviceExtX);
+ }
+
+
+ return xWorld;
+}
+
+Transform.prototype.inverseTransformY = function (y)
+{
+ var yWorld = 0.0;
+ var deviceExtY = this.ldeviceExtY;
+ if (deviceExtY != 0.0)
+ {
+ yWorld = this.lworldOrgY +
+ ((y - this.ldeviceOrgY) * this.lworldExtY / deviceExtY);
+ }
+ return yWorld;
+}
+
+Transform.prototype.inverseTransformPoint = function (inPoint)
+{
+ var outPoint =
+ new PointD(this.inverseTransformX(inPoint.x),
+ this.inverseTransformY(inPoint.y));
+ return outPoint;
+}
+
+module.exports = Transform;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/UniqueIDGeneretor.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/UniqueIDGeneretor.js
new file mode 100644
index 0000000000000000000000000000000000000000..0f85c326c04f5b079c38c404f3c93a5069dd1de8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/UniqueIDGeneretor.js
@@ -0,0 +1,29 @@
+function UniqueIDGeneretor() {
+}
+
+UniqueIDGeneretor.lastID = 0;
+
+UniqueIDGeneretor.createID = function (obj) {
+ if (UniqueIDGeneretor.isPrimitive(obj)) {
+ return obj;
+ }
+ if (obj.uniqueID != null) {
+ return obj.uniqueID;
+ }
+ obj.uniqueID = UniqueIDGeneretor.getString();
+ UniqueIDGeneretor.lastID++;
+ return obj.uniqueID;
+}
+
+UniqueIDGeneretor.getString = function (id) {
+ if (id == null)
+ id = UniqueIDGeneretor.lastID;
+ return "Object#" + id + "";
+}
+
+UniqueIDGeneretor.isPrimitive = function (arg) {
+ var type = typeof arg;
+ return arg == null || (type != "object" && type != "function");
+}
+
+module.exports = UniqueIDGeneretor;
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/alignment/NeedlemanWunsch.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/alignment/NeedlemanWunsch.js
new file mode 100644
index 0000000000000000000000000000000000000000..6a63781d523c98b75aa5fbaed1b6a1f11685f1cf
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/src/util/alignment/NeedlemanWunsch.js
@@ -0,0 +1,158 @@
+/**
+ * Needleman-Wunsch algorithm is an procedure to compute the optimal global alignment of two string
+ * sequences by S.B.Needleman and C.D.Wunsch (1970).
+ *
+ * Aside from the inputs, you can assign the scores for,
+ * - Match: The two characters at the current index are same.
+ * - Mismatch: The two characters at the current index are different.
+ * - Insertion/Deletion(gaps): The best alignment involves one letter aligning to a gap in the other string.
+ */
+
+class NeedlemanWunsch {
+ constructor(sequence1, sequence2, match_score = 1, mismatch_penalty = -1, gap_penalty = -1) {
+ this.sequence1 = sequence1;
+ this.sequence2 = sequence2;
+ this.match_score = match_score;
+ this.mismatch_penalty = mismatch_penalty;
+ this.gap_penalty = gap_penalty;
+
+ // Just the remove redundancy
+ this.iMax = sequence1.length + 1;
+ this.jMax = sequence2.length + 1;
+
+ // Grid matrix of scores
+ this.grid = new Array(this.iMax);
+ for(let i = 0; i < this.iMax; i++){
+ this.grid[i] = new Array(this.jMax );
+
+ for(let j = 0; j < this.jMax ; j++)
+ this.grid[i][j] = 0;
+ }
+
+ // Traceback matrix (2D array, each cell is an array of boolean values for [`Diag`, `Up`, `Left`] positions)
+ this.tracebackGrid = new Array(this.iMax);
+ for(let i = 0; i < this.iMax; i++) {
+ this.tracebackGrid[i] = new Array(this.jMax);
+
+ for(let j = 0; j < this.jMax ; j++)
+ this.tracebackGrid[i][j] = [null, null, null];
+ }
+
+ // The aligned sequences (return multiple possibilities)
+ this.alignments = [];
+
+ // Final alignment score
+ this.score = -1;
+
+ // Calculate scores and tracebacks
+ this.computeGrids();
+ }
+
+ getScore(){
+ return this.score;
+ }
+
+ getAlignments(){
+ return this.alignments;
+ }
+
+ // Main dynamic programming procedure
+ computeGrids(){
+ // Fill in the first row
+ for (let j = 1; j < this.jMax; j++) {
+ this.grid[0][j] = this.grid[0][j-1] + this.gap_penalty;
+ this.tracebackGrid[0][j] = [false, false, true];
+ }
+
+ // Fill in the first column
+ for (let i = 1; i < this.iMax; i++) {
+ this.grid[i][0] = this.grid[i-1][0] + this.gap_penalty;
+ this.tracebackGrid[i][0] = [false, true, false];
+ }
+
+ // Fill the rest of the grid
+ for(let i = 1; i < this.iMax; i++){
+ for(let j = 1; j < this.jMax; j++){
+ // Find the max score(s) among [`Diag`, `Up`, `Left`]
+ let diag;
+ if(this.sequence1[i-1] === this.sequence2[j-1])
+ diag = this.grid[i-1][j-1] + this.match_score;
+ else
+ diag = this.grid[i-1][j-1] + this.mismatch_penalty;
+
+ let up = this.grid[i-1][j] + this.gap_penalty;
+ let left = this.grid[i][j-1] + this.gap_penalty;
+
+ // If there exists multiple max values, capture them for multiple paths
+ let maxOf = [diag,up,left];
+ let indices = this.arrayAllMaxIndexes(maxOf);
+
+ // Update Grids
+ this.grid[i][j] = maxOf[indices[0]];
+ this.tracebackGrid[i][j] = [indices.includes(0), indices.includes(1), indices.includes(2)];
+ }
+ }
+
+ // Update alignment score
+ this.score = this.grid[this.iMax-1][this.jMax-1];
+ }
+
+ // Gets all possible valid sequence combinations
+ alignmentTraceback(){
+ let inProcessAlignments = [];
+
+ inProcessAlignments.push({ pos: [this.sequence1.length, this.sequence2.length],
+ seq1: "",
+ seq2: ""
+ });
+
+ while(inProcessAlignments[0]){
+ let current = inProcessAlignments[0];
+ let directions = this.tracebackGrid[current.pos[0]][current.pos[1]];
+
+ if(directions[0]){
+ inProcessAlignments.push({ pos: [current.pos[0]-1, current.pos[1]-1],
+ seq1: (this.sequence1[current.pos[0]-1] + current.seq1),
+ seq2: (this.sequence2[current.pos[1]-1] + current.seq2)
+ });
+ }
+ if(directions[1]){
+ inProcessAlignments.push({ pos: [current.pos[0]-1, current.pos[1]],
+ seq1: this.sequence1[current.pos[0]-1] + current.seq1,
+ seq2: '-' + current.seq2
+ });
+ }
+ if(directions[2]){
+ inProcessAlignments.push({ pos: [current.pos[0], current.pos[1]-1],
+ seq1:'-' + current.seq1,
+ seq2: this.sequence2[current.pos[1]-1] + current.seq2
+ });
+ }
+
+ if(current.pos[0] === 0 && current.pos[1] === 0)
+ this.alignments.push({sequence1 : current.seq1,
+ sequence2: current.seq2
+ });
+
+ inProcessAlignments.shift();
+ }
+
+ return this.alignments;
+ }
+
+ // Helper Functions
+
+ getAllIndexes(arr, val) {
+ let indexes = [], i = -1;
+ while ((i = arr.indexOf(val, i+1)) !== -1){
+ indexes.push(i);
+ }
+ return indexes;
+ }
+
+ arrayAllMaxIndexes(array){
+ return this.getAllIndexes(array, Math.max.apply(null, array));
+ }
+}
+
+module.exports = NeedlemanWunsch;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/webpack.config.js b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/webpack.config.js
new file mode 100644
index 0000000000000000000000000000000000000000..660d204276d58a75fbfa379105f0d22e57a7980e
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/node_modules/layout-base/webpack.config.js
@@ -0,0 +1,35 @@
+const path = require('path');
+const pkg = require('./package.json');
+const camelcase = require('camelcase');
+const process = require('process');
+const webpack = require('webpack');
+const env = process.env;
+const NODE_ENV = env.NODE_ENV;
+const MIN = env.MIN;
+const PROD = NODE_ENV === 'production';
+
+let config = {
+ devtool: PROD ? false : 'inline-source-map',
+ entry: './index.js',
+ output: {
+ path: path.join( __dirname ),
+ filename: 'layout-base.js',
+ library: camelcase( pkg.name ),
+ libraryTarget: 'umd'
+ },
+ module: {
+ rules: [
+ { test: /\.js$/, exclude: /node_modules/, use: 'babel-loader' }
+ ]
+ },
+ plugins: MIN ? [
+ new webpack.optimize.UglifyJsPlugin({
+ compress: {
+ warnings: false,
+ drop_console: false,
+ }
+ })
+ ] : []
+};
+
+module.exports = config;
diff --git a/tools/ui/node_modules/cytoscape-fcose/package.json b/tools/ui/node_modules/cytoscape-fcose/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..70f4bcd144710baa0a5335d802367e9e09fc160b
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/package.json
@@ -0,0 +1,57 @@
+{
+ "name": "cytoscape-fcose",
+ "version": "2.2.0",
+ "description": "The fCoSE layout for Cytoscape.js by Bilkent with fast compound node placement",
+ "main": "cytoscape-fcose.js",
+ "author": {
+ "name": "iVis-at-Bilkent"
+ },
+ "scripts": {
+ "copyright": "update license",
+ "lint": "eslint src",
+ "build": "cross-env NODE_ENV=production webpack",
+ "build:min": "cross-env NODE_ENV=production MIN=true webpack",
+ "build:release": "run-s build copyright",
+ "watch": "webpack --progress --watch",
+ "dev": "webpack-dev-server --open",
+ "test": "mocha"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/iVis-at-Bilkent/cytoscape.js-fcose.git"
+ },
+ "keywords": [
+ "cytoscape",
+ "cytoscape-extension"
+ ],
+ "license": "MIT",
+ "bugs": {
+ "url": "https://github.com/iVis-at-Bilkent/cytoscape.js-fcose/issues"
+ },
+ "homepage": "https://github.com/iVis-at-Bilkent/cytoscape.js-fcose",
+ "devDependencies": {
+ "babel-core": "^6.24.1",
+ "babel-loader": "^7.1.4",
+ "babel-preset-env": "^1.5.1",
+ "camelcase": "^6.2.0",
+ "chai": "4.0.2",
+ "cpy-cli": "^3.1.1",
+ "cross-env": "^7.0.3",
+ "eslint": "^7.26.0",
+ "gh-pages": "^1.0.0",
+ "mocha": "8.4.0",
+ "npm-run-all": "^4.1.2",
+ "rimraf": "^3.0.2",
+ "update": "^0.7.4",
+ "updater-license": "^1.0.0",
+ "webpack": "^5.37.0",
+ "webpack-cli": "^4.7.0",
+ "webpack-dev-server": "^3.11.2"
+ },
+ "peerDependencies": {
+ "cytoscape": "^3.2.0"
+ },
+ "dependencies": {
+ "cose-base": "^2.2.0"
+ }
+}
diff --git a/tools/ui/node_modules/cytoscape-fcose/src/assign.js b/tools/ui/node_modules/cytoscape-fcose/src/assign.js
new file mode 100644
index 0000000000000000000000000000000000000000..9d020cf8ce6a4aede84a8df850923eb55bafe902
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/src/assign.js
@@ -0,0 +1,9 @@
+// Simple, internal Object.assign() polyfill for options objects etc.
+
+module.exports = Object.assign != null ? Object.assign.bind( Object ) : function( tgt, ...srcs ){
+ srcs.forEach( src => {
+ Object.keys( src ).forEach( k => tgt[k] = src[k] );
+ } );
+
+ return tgt;
+};
diff --git a/tools/ui/node_modules/cytoscape-fcose/src/fcose/auxiliary.js b/tools/ui/node_modules/cytoscape-fcose/src/fcose/auxiliary.js
new file mode 100644
index 0000000000000000000000000000000000000000..bfd49b46f92d47ca62c8665d10595f1d8e539e58
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/src/fcose/auxiliary.js
@@ -0,0 +1,269 @@
+/*
+ * Auxiliary functions
+ */
+
+const LinkedList = require('cose-base').layoutBase.LinkedList;
+
+let auxiliary = {};
+
+// get the top most nodes
+auxiliary.getTopMostNodes = function(nodes) {
+ let nodesMap = {};
+ for (let i = 0; i < nodes.length; i++) {
+ nodesMap[nodes[i].id()] = true;
+ }
+ let roots = nodes.filter(function (ele, i) {
+ if(typeof ele === "number") {
+ ele = i;
+ }
+ let parent = ele.parent()[0];
+ while(parent != null){
+ if(nodesMap[parent.id()]){
+ return false;
+ }
+ parent = parent.parent()[0];
+ }
+ return true;
+ });
+
+ return roots;
+};
+
+// find disconnected components and create dummy nodes that connect them
+auxiliary.connectComponents = function(cy, eles, topMostNodes, dummyNodes){
+ let queue = new LinkedList();
+ let visited = new Set();
+ let visitedTopMostNodes = [];
+ let currentNeighbor;
+ let minDegreeNode;
+ let minDegree;
+
+ let isConnected = false;
+ let count = 1;
+ let nodesConnectedToDummy = [];
+ let components = [];
+
+ do{
+ let cmpt = cy.collection();
+ components.push(cmpt);
+
+ let currentNode = topMostNodes[0];
+ let childrenOfCurrentNode = cy.collection();
+ childrenOfCurrentNode.merge(currentNode).merge(currentNode.descendants().intersection(eles));
+ visitedTopMostNodes.push(currentNode);
+
+ childrenOfCurrentNode.forEach(function(node) {
+ queue.push(node);
+ visited.add(node);
+ cmpt.merge(node);
+ });
+
+ while(queue.length != 0){
+ currentNode = queue.shift();
+
+ // Traverse all neighbors of this node
+ let neighborNodes = cy.collection();
+ currentNode.neighborhood().nodes().forEach(function(node){
+ if(eles.intersection(currentNode.edgesWith(node)).length > 0){
+ neighborNodes.merge(node);
+ }
+ });
+
+ for(let i = 0; i < neighborNodes.length; i++){
+ let neighborNode = neighborNodes[i];
+ currentNeighbor = topMostNodes.intersection(neighborNode.union(neighborNode.ancestors()));
+ if(currentNeighbor != null && !visited.has(currentNeighbor[0])){
+ let childrenOfNeighbor = currentNeighbor.union(currentNeighbor.descendants());
+
+ childrenOfNeighbor.forEach(function(node){
+ queue.push(node);
+ visited.add(node);
+ cmpt.merge(node);
+ if(topMostNodes.has(node)){
+ visitedTopMostNodes.push(node);
+ }
+ });
+
+ }
+ }
+ }
+
+ cmpt.forEach(node => {
+ eles.intersection(node.connectedEdges()).forEach(e => { // connectedEdges() usually cached
+ if( cmpt.has(e.source()) && cmpt.has(e.target()) ){ // has() is cheap
+ cmpt.merge(e);
+ }
+ });
+ });
+
+ if(visitedTopMostNodes.length == topMostNodes.length){
+ isConnected = true;
+ }
+
+ if(!isConnected || (isConnected && count > 1)){
+ minDegreeNode = visitedTopMostNodes[0];
+ minDegree = minDegreeNode.connectedEdges().length;
+ visitedTopMostNodes.forEach(function(node){
+ if(node.connectedEdges().length < minDegree){
+ minDegree = node.connectedEdges().length;
+ minDegreeNode = node;
+ }
+ });
+ nodesConnectedToDummy.push(minDegreeNode.id());
+ // TO DO: Check efficiency of this part
+ let temp = cy.collection();
+ temp.merge(visitedTopMostNodes[0]);
+ visitedTopMostNodes.forEach(function(node){
+ temp.merge(node);
+ });
+ visitedTopMostNodes = [];
+ topMostNodes = topMostNodes.difference(temp);
+ count++;
+ }
+
+ }
+ while(!isConnected);
+
+ if(dummyNodes){
+ if(nodesConnectedToDummy.length > 0 ){
+ dummyNodes.set('dummy'+(dummyNodes.size+1), nodesConnectedToDummy);
+ }
+ }
+ return components;
+};
+
+// relocates componentResult to originalCenter if there is no fixedNodeConstraint
+auxiliary.relocateComponent = function(originalCenter, componentResult, options) {
+ if (!options.fixedNodeConstraint) {
+ let minXCoord = Number.POSITIVE_INFINITY;
+ let maxXCoord = Number.NEGATIVE_INFINITY;
+ let minYCoord = Number.POSITIVE_INFINITY;
+ let maxYCoord = Number.NEGATIVE_INFINITY;
+ if (options.quality == "draft") {
+ // calculate current bounding box
+ for (let [key, value] of componentResult.nodeIndexes) {
+ let cyNode = options.cy.getElementById(key);
+ if (cyNode) {
+ let nodeBB = cyNode.boundingBox();
+ let leftX = componentResult.xCoords[value] - nodeBB.w / 2;
+ let rightX = componentResult.xCoords[value] + nodeBB.w / 2;
+ let topY = componentResult.yCoords[value] - nodeBB.h / 2;
+ let bottomY = componentResult.yCoords[value] + nodeBB.h / 2;
+
+ if (leftX < minXCoord)
+ minXCoord = leftX;
+ if (rightX > maxXCoord)
+ maxXCoord = rightX;
+ if (topY < minYCoord)
+ minYCoord = topY;
+ if (bottomY > maxYCoord)
+ maxYCoord = bottomY;
+ }
+ }
+ // find difference between current and original center
+ let diffOnX = originalCenter.x - (maxXCoord + minXCoord) / 2;
+ let diffOnY = originalCenter.y - (maxYCoord + minYCoord) / 2;
+ // move component to original center
+ componentResult.xCoords = componentResult.xCoords.map(x => x + diffOnX);
+ componentResult.yCoords = componentResult.yCoords.map(y => y + diffOnY);
+ }
+ else {
+ // calculate current bounding box
+ Object.keys(componentResult).forEach(function (item) {
+ let node = componentResult[item];
+ let leftX = node.getRect().x;
+ let rightX = node.getRect().x + node.getRect().width;
+ let topY = node.getRect().y;
+ let bottomY = node.getRect().y + node.getRect().height;
+
+ if (leftX < minXCoord)
+ minXCoord = leftX;
+ if (rightX > maxXCoord)
+ maxXCoord = rightX;
+ if (topY < minYCoord)
+ minYCoord = topY;
+ if (bottomY > maxYCoord)
+ maxYCoord = bottomY;
+ });
+ // find difference between current and original center
+ let diffOnX = originalCenter.x - (maxXCoord + minXCoord) / 2;
+ let diffOnY = originalCenter.y - (maxYCoord + minYCoord) / 2;
+ // move component to original center
+ Object.keys(componentResult).forEach(function (item) {
+ let node = componentResult[item];
+ node.setCenter(node.getCenterX() + diffOnX, node.getCenterY() + diffOnY);
+ });
+ }
+ }
+};
+
+auxiliary.calcBoundingBox = function(parentNode, xCoords, yCoords, nodeIndexes){
+ // calculate bounds
+ let left = Number.MAX_SAFE_INTEGER;
+ let right = Number.MIN_SAFE_INTEGER;
+ let top = Number.MAX_SAFE_INTEGER;
+ let bottom = Number.MIN_SAFE_INTEGER;
+ let nodeLeft;
+ let nodeRight;
+ let nodeTop;
+ let nodeBottom;
+
+ let nodes = parentNode.descendants().not(":parent");
+ let s = nodes.length;
+ for (let i = 0; i < s; i++)
+ {
+ let node = nodes[i];
+
+ nodeLeft = xCoords[nodeIndexes.get(node.id())] - node.width()/2;
+ nodeRight = xCoords[nodeIndexes.get(node.id())] + node.width()/2;
+ nodeTop = yCoords[nodeIndexes.get(node.id())] - node.height()/2;
+ nodeBottom = yCoords[nodeIndexes.get(node.id())] + node.height()/2;
+
+ if (left > nodeLeft)
+ {
+ left = nodeLeft;
+ }
+
+ if (right < nodeRight)
+ {
+ right = nodeRight;
+ }
+
+ if (top > nodeTop)
+ {
+ top = nodeTop;
+ }
+
+ if (bottom < nodeBottom)
+ {
+ bottom = nodeBottom;
+ }
+ }
+
+ let boundingBox = {};
+ boundingBox.topLeftX = left;
+ boundingBox.topLeftY = top;
+ boundingBox.width = right - left;
+ boundingBox.height = bottom - top;
+ return boundingBox;
+};
+
+// This function finds and returns parent nodes whose all children are hidden
+auxiliary.calcParentsWithoutChildren = function(cy, eles){
+ let parentsWithoutChildren = cy.collection();
+ eles.nodes(':parent').forEach((parent) => {
+ let check = false;
+ parent.children().forEach((child) => {
+ if(child.css('display') != 'none') {
+ check = true;
+ }
+ });
+ if(!check) {
+ parentsWithoutChildren.merge(parent);
+ }
+ });
+
+ return parentsWithoutChildren;
+}
+
+module.exports = auxiliary;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/src/fcose/cose.js b/tools/ui/node_modules/cytoscape-fcose/src/fcose/cose.js
new file mode 100644
index 0000000000000000000000000000000000000000..634393f3cc3dd6657f4087c41035bbc1e37df737
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/src/fcose/cose.js
@@ -0,0 +1,261 @@
+/**
+ The implementation of the postprocessing part that applies CoSE layout over the spectral layout
+*/
+
+const aux = require('./auxiliary');
+const CoSELayout = require('cose-base').CoSELayout;
+const CoSENode = require('cose-base').CoSENode;
+const PointD = require('cose-base').layoutBase.PointD;
+const DimensionD = require('cose-base').layoutBase.DimensionD;
+const LayoutConstants = require('cose-base').layoutBase.LayoutConstants;
+const FDLayoutConstants = require('cose-base').layoutBase.FDLayoutConstants;
+const CoSEConstants = require('cose-base').CoSEConstants;
+
+// main function that cose layout is processed
+let coseLayout = function(options, spectralResult){
+
+ let cy = options.cy;
+ let eles = options.eles;
+ let nodes = eles.nodes();
+ let edges = eles.edges();
+
+ let nodeIndexes;
+ let xCoords;
+ let yCoords;
+ let idToLNode = {};
+
+ if(options.randomize){
+ nodeIndexes = spectralResult["nodeIndexes"];
+ xCoords = spectralResult["xCoords"];
+ yCoords = spectralResult["yCoords"];
+ }
+
+ const isFn = fn => typeof fn === 'function';
+
+ const optFn = ( opt, ele ) => {
+ if( isFn( opt ) ){
+ return opt( ele );
+ } else {
+ return opt;
+ }
+ };
+
+ /**** Postprocessing functions ****/
+
+ let parentsWithoutChildren = aux.calcParentsWithoutChildren(cy, eles);
+
+ // transfer cytoscape nodes to cose nodes
+ let processChildrenList = function (parent, children, layout, options) {
+ let size = children.length;
+ for (let i = 0; i < size; i++) {
+ let theChild = children[i];
+ let children_of_children = null;
+ if(theChild.intersection(parentsWithoutChildren).length == 0) {
+ children_of_children = theChild.children();
+ }
+ let theNode;
+
+ let dimensions = theChild.layoutDimensions({
+ nodeDimensionsIncludeLabels: options.nodeDimensionsIncludeLabels
+ });
+
+ if (theChild.outerWidth() != null
+ && theChild.outerHeight() != null) {
+ if(options.randomize){
+ if(!theChild.isParent()){
+ theNode = parent.add(new CoSENode(layout.graphManager,
+ new PointD(xCoords[nodeIndexes.get(theChild.id())] - dimensions.w / 2, yCoords[nodeIndexes.get(theChild.id())] - dimensions.h / 2),
+ new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ }
+ else{
+ let parentInfo = aux.calcBoundingBox(theChild, xCoords, yCoords, nodeIndexes);
+ if(theChild.intersection(parentsWithoutChildren).length == 0) {
+ theNode = parent.add(new CoSENode(layout.graphManager,
+ new PointD(parentInfo.topLeftX, parentInfo.topLeftY),
+ new DimensionD(parentInfo.width, parentInfo.height)));
+ }
+ else { // for the parentsWithoutChildren
+ theNode = parent.add(new CoSENode(layout.graphManager,
+ new PointD(parentInfo.topLeftX, parentInfo.topLeftY),
+ new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ }
+ }
+ }
+ else{
+ theNode = parent.add(new CoSENode(layout.graphManager,
+ new PointD(theChild.position('x') - dimensions.w / 2, theChild.position('y') - dimensions.h / 2),
+ new DimensionD(parseFloat(dimensions.w), parseFloat(dimensions.h))));
+ }
+ }
+ else {
+ theNode = parent.add(new CoSENode(this.graphManager));
+ }
+ // Attach id to the layout node and repulsion value
+ theNode.id = theChild.data("id");
+ theNode.nodeRepulsion = optFn( options.nodeRepulsion, theChild );
+ // Attach the paddings of cy node to layout node
+ theNode.paddingLeft = parseInt( theChild.css('padding') );
+ theNode.paddingTop = parseInt( theChild.css('padding') );
+ theNode.paddingRight = parseInt( theChild.css('padding') );
+ theNode.paddingBottom = parseInt( theChild.css('padding') );
+
+ //Attach the label properties to both compound and simple nodes if labels will be included in node dimensions
+ //These properties will be used while updating bounds of compounds during iterations or tiling
+ //and will be used for simple nodes while transferring final positions to cytoscape
+ if(options.nodeDimensionsIncludeLabels){
+ theNode.labelWidth = theChild.boundingBox({ includeLabels: true, includeNodes: false, includeOverlays: false }).w;
+ theNode.labelHeight = theChild.boundingBox({ includeLabels: true, includeNodes: false, includeOverlays: false }).h;
+ theNode.labelPosVertical = theChild.css("text-valign");
+ theNode.labelPosHorizontal = theChild.css("text-halign");
+ }
+
+ // Map the layout node
+ idToLNode[theChild.data("id")] = theNode;
+
+ if (isNaN(theNode.rect.x)) {
+ theNode.rect.x = 0;
+ }
+
+ if (isNaN(theNode.rect.y)) {
+ theNode.rect.y = 0;
+ }
+
+ if (children_of_children != null && children_of_children.length > 0) {
+ let theNewGraph;
+ theNewGraph = layout.getGraphManager().add(layout.newGraph(), theNode);
+ processChildrenList(theNewGraph, children_of_children, layout, options);
+ }
+ }
+ };
+
+ // transfer cytoscape edges to cose edges
+ let processEdges = function(layout, gm, edges){
+ let idealLengthTotal = 0;
+ let edgeCount = 0;
+ for (let i = 0; i < edges.length; i++) {
+ let edge = edges[i];
+ let sourceNode = idToLNode[edge.data("source")];
+ let targetNode = idToLNode[edge.data("target")];
+ if(sourceNode && targetNode && sourceNode !== targetNode && sourceNode.getEdgesBetween(targetNode).length == 0){
+ let e1 = gm.add(layout.newEdge(), sourceNode, targetNode);
+ e1.id = edge.id();
+ e1.idealLength = optFn( options.idealEdgeLength, edge );
+ e1.edgeElasticity = optFn( options.edgeElasticity, edge );
+ idealLengthTotal += e1.idealLength;
+ edgeCount++;
+ }
+ }
+ // we need to update the ideal edge length constant with the avg. ideal length value after processing edges
+ // in case there is no edge, use other options
+ if (options.idealEdgeLength != null){
+ if (edgeCount > 0)
+ CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = idealLengthTotal / edgeCount;
+ else if(!isFn(options.idealEdgeLength)) // in case there is no edge, but option gives a value to use
+ CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = options.idealEdgeLength;
+ else // in case there is no edge and we cannot get a value from option (because it's a function)
+ CoSEConstants.DEFAULT_EDGE_LENGTH = FDLayoutConstants.DEFAULT_EDGE_LENGTH = 50;
+ // we need to update these constant values based on the ideal edge length constant
+ CoSEConstants.MIN_REPULSION_DIST = FDLayoutConstants.MIN_REPULSION_DIST = FDLayoutConstants.DEFAULT_EDGE_LENGTH / 10.0;
+ CoSEConstants.DEFAULT_RADIAL_SEPARATION = FDLayoutConstants.DEFAULT_EDGE_LENGTH;
+ }
+ };
+
+ // transfer cytoscape constraints to cose layout
+ let processConstraints = function(layout, options){
+ // get nodes to be fixed
+ if(options.fixedNodeConstraint){
+ layout.constraints["fixedNodeConstraint"] = options.fixedNodeConstraint;
+ }
+ // get nodes to be aligned
+ if(options.alignmentConstraint){
+ layout.constraints["alignmentConstraint"] = options.alignmentConstraint;
+ }
+ // get nodes to be relatively placed
+ if(options.relativePlacementConstraint){
+ layout.constraints["relativePlacementConstraint"] = options.relativePlacementConstraint;
+ }
+ };
+
+ /**** Apply postprocessing ****/
+ if (options.nestingFactor != null)
+ CoSEConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = FDLayoutConstants.PER_LEVEL_IDEAL_EDGE_LENGTH_FACTOR = options.nestingFactor;
+ if (options.gravity != null)
+ CoSEConstants.DEFAULT_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_GRAVITY_STRENGTH = options.gravity;
+ if (options.numIter != null)
+ CoSEConstants.MAX_ITERATIONS = FDLayoutConstants.MAX_ITERATIONS = options.numIter;
+ if (options.gravityRange != null)
+ CoSEConstants.DEFAULT_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_GRAVITY_RANGE_FACTOR = options.gravityRange;
+ if(options.gravityCompound != null)
+ CoSEConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_STRENGTH = options.gravityCompound;
+ if(options.gravityRangeCompound != null)
+ CoSEConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = FDLayoutConstants.DEFAULT_COMPOUND_GRAVITY_RANGE_FACTOR = options.gravityRangeCompound;
+ if (options.initialEnergyOnIncremental != null)
+ CoSEConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = FDLayoutConstants.DEFAULT_COOLING_FACTOR_INCREMENTAL = options.initialEnergyOnIncremental;
+
+ if (options.tilingCompareBy != null)
+ CoSEConstants.TILING_COMPARE_BY = options.tilingCompareBy;
+
+ if(options.quality == 'proof')
+ LayoutConstants.QUALITY = 2;
+ else
+ LayoutConstants.QUALITY = 0;
+
+ CoSEConstants.NODE_DIMENSIONS_INCLUDE_LABELS = FDLayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = LayoutConstants.NODE_DIMENSIONS_INCLUDE_LABELS = options.nodeDimensionsIncludeLabels;
+ CoSEConstants.DEFAULT_INCREMENTAL = FDLayoutConstants.DEFAULT_INCREMENTAL = LayoutConstants.DEFAULT_INCREMENTAL =
+ !(options.randomize);
+ CoSEConstants.ANIMATE = FDLayoutConstants.ANIMATE = LayoutConstants.ANIMATE = options.animate;
+ CoSEConstants.TILE = options.tile;
+ CoSEConstants.TILING_PADDING_VERTICAL =
+ typeof options.tilingPaddingVertical === 'function' ? options.tilingPaddingVertical.call() : options.tilingPaddingVertical;
+ CoSEConstants.TILING_PADDING_HORIZONTAL =
+ typeof options.tilingPaddingHorizontal === 'function' ? options.tilingPaddingHorizontal.call() : options.tilingPaddingHorizontal;
+
+ CoSEConstants.DEFAULT_INCREMENTAL = FDLayoutConstants.DEFAULT_INCREMENTAL = LayoutConstants.DEFAULT_INCREMENTAL = true;
+ CoSEConstants.PURE_INCREMENTAL = !options.randomize;
+ LayoutConstants.DEFAULT_UNIFORM_LEAF_NODE_SIZES = options.uniformNodeDimensions;
+
+ // This part is for debug/demo purpose
+ if(options.step == "transformed"){
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = true;
+ CoSEConstants.ENFORCE_CONSTRAINTS = false;
+ CoSEConstants.APPLY_LAYOUT = false;
+ }
+ if(options.step == "enforced"){
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = false;
+ CoSEConstants.ENFORCE_CONSTRAINTS = true;
+ CoSEConstants.APPLY_LAYOUT = false;
+ }
+ if(options.step == "cose"){
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = false;
+ CoSEConstants.ENFORCE_CONSTRAINTS = false;
+ CoSEConstants.APPLY_LAYOUT = true;
+ }
+ if(options.step == "all"){
+ if(options.randomize)
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = true;
+ else
+ CoSEConstants.TRANSFORM_ON_CONSTRAINT_HANDLING = false;
+ CoSEConstants.ENFORCE_CONSTRAINTS = true;
+ CoSEConstants.APPLY_LAYOUT = true;
+ }
+
+ if(options.fixedNodeConstraint || options.alignmentConstraint || options.relativePlacementConstraint){
+ CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL = false;
+ }
+ else{
+ CoSEConstants.TREE_REDUCTION_ON_INCREMENTAL = true;
+ }
+
+ let coseLayout = new CoSELayout();
+ let gm = coseLayout.newGraphManager();
+
+ processChildrenList(gm.addRoot(), aux.getTopMostNodes(nodes), coseLayout, options);
+ processEdges(coseLayout, gm, edges);
+ processConstraints(coseLayout, options);
+
+ coseLayout.runLayout();
+
+ return idToLNode;
+};
+
+module.exports = { coseLayout };
diff --git a/tools/ui/node_modules/cytoscape-fcose/src/fcose/index.js b/tools/ui/node_modules/cytoscape-fcose/src/fcose/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..1cf03498593492bb31fc18475d0de54e3b83a35e
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/src/fcose/index.js
@@ -0,0 +1,414 @@
+/**
+ The implementation of the fcose layout algorithm
+*/
+
+const assign = require('../assign');
+const aux = require('./auxiliary');
+const { spectralLayout } = require('./spectral');
+const { coseLayout } = require('./cose');
+
+const defaults = Object.freeze({
+
+ // 'draft', 'default' or 'proof'
+ // - 'draft' only applies spectral layout
+ // - 'default' improves the quality with subsequent CoSE layout (fast cooling rate)
+ // - 'proof' improves the quality with subsequent CoSE layout (slow cooling rate)
+ quality: "default",
+ // Use random node positions at beginning of layout
+ // if this is set to false, then quality option must be "proof"
+ randomize: true,
+ // Whether or not to animate the layout
+ animate: true,
+ // Duration of animation in ms, if enabled
+ animationDuration: 1000,
+ // Easing of animation, if enabled
+ animationEasing: undefined,
+ // Fit the viewport to the repositioned nodes
+ fit: true,
+ // Padding around layout
+ padding: 30,
+ // Whether to include labels in node dimensions. Valid in "proof" quality
+ nodeDimensionsIncludeLabels: false,
+ // Whether or not simple nodes (non-compound nodes) are of uniform dimensions
+ uniformNodeDimensions: false,
+ // Whether to pack disconnected components - valid only if randomize: true
+ packComponents: true,
+ // Layout step - all, transformed, enforced, cose - for debug purpose only
+ step: "all",
+
+ /* spectral layout options */
+
+ // False for random, true for greedy
+ samplingType: true,
+ // Sample size to construct distance matrix
+ sampleSize: 25,
+ // Separation amount between nodes
+ nodeSeparation: 75,
+ // Power iteration tolerance
+ piTol: 0.0000001,
+
+ /* CoSE layout options */
+
+ // Node repulsion (non overlapping) multiplier
+ nodeRepulsion: node => 4500,
+ // Ideal edge (non nested) length
+ idealEdgeLength: edge => 50,
+ // Divisor to compute edge forces
+ edgeElasticity: edge => 0.45,
+ // Nesting factor (multiplier) to compute ideal edge length for nested edges
+ nestingFactor: 0.1,
+ // Gravity force (constant)
+ gravity: 0.25,
+ // Maximum number of iterations to perform
+ numIter: 2500,
+ // For enabling tiling
+ tile: true,
+ // The function that specifies the criteria for comparing nodes while sorting them during tiling operation.
+ // Takes the node id as a parameter and the default tiling operation is perfomed when this option is not set.
+ tilingCompareBy: undefined,
+ // Represents the amount of the vertical space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingVertical: 10,
+ // Represents the amount of the horizontal space to put between the zero degree members during the tiling operation(can also be a function)
+ tilingPaddingHorizontal: 10,
+ // Gravity range (constant) for compounds
+ gravityRangeCompound: 1.5,
+ // Gravity force (constant) for compounds
+ gravityCompound: 1.0,
+ // Gravity range (constant)
+ gravityRange: 3.8,
+ // Initial cooling factor for incremental layout
+ initialEnergyOnIncremental: 0.3,
+
+ /* constraint options */
+
+ // Fix required nodes to predefined positions
+ // [{nodeId: 'n1', position: {x: 100, y: 200}, {...}]
+ fixedNodeConstraint: undefined,
+ // Align required nodes in vertical/horizontal direction
+ // {vertical: [['n1', 'n2')], ['n3', 'n4']], horizontal: ['n2', 'n4']}
+ alignmentConstraint: undefined,
+ // Place two nodes relatively in vertical/horizontal direction
+ // [{top: 'n1', bottom: 'n2', gap: 100}, {left: 'n3', right: 'n4', gap: 75}]
+ relativePlacementConstraint: undefined,
+
+ /* layout event callbacks */
+ ready: () => {}, // on layoutready
+ stop: () => {} // on layoutstop
+});
+
+class Layout {
+ constructor( options ){
+ this.options = assign( {}, defaults, options );
+ }
+
+ run(){
+ let layout = this;
+ let options = this.options;
+ let cy = options.cy;
+ let eles = options.eles;
+
+ let spectralResult = [];
+ let xCoords;
+ let yCoords;
+ let coseResult = [];
+ let components;
+ let componentCenters = [];
+
+ // basic validity check for constraint inputs
+ if(options.fixedNodeConstraint && (!Array.isArray(options.fixedNodeConstraint) || options.fixedNodeConstraint.length == 0)){
+ options.fixedNodeConstraint = undefined;
+ }
+
+ if(options.alignmentConstraint){
+ if(options.alignmentConstraint.vertical && (!Array.isArray(options.alignmentConstraint.vertical) || options.alignmentConstraint.vertical.length == 0)){
+ options.alignmentConstraint.vertical = undefined;
+ }
+ if(options.alignmentConstraint.horizontal && (!Array.isArray(options.alignmentConstraint.horizontal) || options.alignmentConstraint.horizontal.length == 0)){
+ options.alignmentConstraint.horizontal = undefined;
+ }
+
+ }
+
+ if(options.relativePlacementConstraint && (!Array.isArray(options.relativePlacementConstraint) || options.relativePlacementConstraint.length == 0)){
+ options.relativePlacementConstraint = undefined;
+ }
+
+ // if any constraint exists, set some options
+ let constraintExist = options.fixedNodeConstraint || options.alignmentConstraint || options.relativePlacementConstraint;
+ if(constraintExist){
+ // constraints work with these options
+ options.tile = false;
+ options.packComponents = false;
+ }
+
+ // decide component packing is enabled or not
+ let layUtil;
+ let packingEnabled = false;
+ if(cy.layoutUtilities && options.packComponents){
+ layUtil = cy.layoutUtilities("get");
+ if(!layUtil)
+ layUtil = cy.layoutUtilities();
+ packingEnabled = true;
+ }
+
+ if(eles.nodes().length > 0) {
+ // if packing is not enabled, perform layout on the whole graph
+ if(!packingEnabled){
+ // store component center
+ let boundingBox = options.eles.boundingBox();
+ componentCenters.push({x: boundingBox.x1 + boundingBox.w / 2, y: boundingBox.y1 + boundingBox.h / 2});
+ // apply spectral layout
+ if(options.randomize){
+ let result = spectralLayout(options);
+ spectralResult.push(result);
+ }
+ // apply cose layout as postprocessing
+ if(options.quality == "default" || options.quality == "proof"){
+ coseResult.push(coseLayout(options, spectralResult[0]));
+ aux.relocateComponent(componentCenters[0], coseResult[0], options); // relocate center to original position
+ }
+ else{
+ aux.relocateComponent(componentCenters[0], spectralResult[0], options); // relocate center to original position
+ }
+ }
+ else{ // packing is enabled
+ let topMostNodes = aux.getTopMostNodes(options.eles.nodes());
+ components = aux.connectComponents(cy, options.eles, topMostNodes);
+ // store component centers
+ components.forEach(function(component){
+ let boundingBox = component.boundingBox();
+ componentCenters.push({x: boundingBox.x1 + boundingBox.w / 2, y: boundingBox.y1 + boundingBox.h / 2});
+ });
+
+ //send each component to spectral layout if randomized
+ if(options.randomize){
+ components.forEach(function(component){
+ options.eles = component;
+ spectralResult.push(spectralLayout(options));
+ });
+ }
+
+ if(options.quality == "default" || options.quality == "proof"){
+ let toBeTiledNodes = cy.collection();
+ if(options.tile){ // behave nodes to be tiled as one component
+ let nodeIndexes = new Map();
+ let xCoords = [];
+ let yCoords = [];
+ let count = 0;
+ let tempSpectralResult = {nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords};
+ let indexesToBeDeleted = [];
+ components.forEach(function(component, index){
+ if(component.edges().length == 0){
+ component.nodes().forEach(function(node, i){
+ toBeTiledNodes.merge(component.nodes()[i]);
+ if(!node.isParent()){
+ tempSpectralResult.nodeIndexes.set(component.nodes()[i].id(), count++);
+ tempSpectralResult.xCoords.push(component.nodes()[0].position().x);
+ tempSpectralResult.yCoords.push(component.nodes()[0].position().y);
+ }
+ });
+ indexesToBeDeleted.push(index);
+ }
+ });
+ if(toBeTiledNodes.length > 1){
+ let boundingBox = toBeTiledNodes.boundingBox();
+ componentCenters.push({x: boundingBox.x1 + boundingBox.w / 2, y: boundingBox.y1 + boundingBox.h / 2});
+ components.push(toBeTiledNodes);
+ spectralResult.push(tempSpectralResult);
+ for(let i = indexesToBeDeleted.length-1; i >= 0; i--){
+ components.splice(indexesToBeDeleted[i], 1);
+ spectralResult.splice(indexesToBeDeleted[i], 1);
+ componentCenters.splice(indexesToBeDeleted[i], 1);
+ };
+ }
+ }
+ components.forEach(function(component, index){ // send each component to cose layout
+ options.eles = component;
+ coseResult.push(coseLayout(options, spectralResult[index]));
+ aux.relocateComponent(componentCenters[index], coseResult[index], options); // relocate center to original position
+ });
+ }
+ else {
+ components.forEach(function(component, index){
+ aux.relocateComponent(componentCenters[index], spectralResult[index], options); // relocate center to original position
+ });
+ }
+
+ // packing
+ let componentsEvaluated = new Set();
+ if(components.length > 1){
+ let subgraphs = [];
+ let hiddenEles = eles.filter((ele) => {return ele.css('display') == 'none'});
+ components.forEach(function(component, index){
+ let nodeIndexes;
+ if(options.quality == "draft"){
+ nodeIndexes = spectralResult[index].nodeIndexes;
+ }
+
+ if(component.nodes().not(hiddenEles).length > 0) {
+ let subgraph = {};
+ subgraph.edges = [];
+ subgraph.nodes = [];
+ let nodeIndex;
+ component.nodes().not(hiddenEles).forEach(function (node) {
+ if(options.quality == "draft"){
+ if(!node.isParent()){
+ nodeIndex = nodeIndexes.get(node.id());
+ subgraph.nodes.push({x: spectralResult[index].xCoords[nodeIndex] - node.boundingbox().w/2, y: spectralResult[index].yCoords[nodeIndex] - node.boundingbox().h/2, width: node.boundingbox().w, height: node.boundingbox().h});
+ }
+ else{
+ let parentInfo = aux.calcBoundingBox(node, spectralResult[index].xCoords, spectralResult[index].yCoords, nodeIndexes);
+ subgraph.nodes.push({x: parentInfo.topLeftX, y: parentInfo.topLeftY, width: parentInfo.width, height: parentInfo.height});
+ }
+ }
+ else{
+ if(coseResult[index][node.id()]) {
+ subgraph.nodes.push({x: coseResult[index][node.id()].getLeft(), y: coseResult[index][node.id()].getTop(), width: coseResult[index][node.id()].getWidth(), height: coseResult[index][node.id()].getHeight()});
+ }
+ }
+ });
+ component.edges().forEach(function (edge) {
+ let source = edge.source();
+ let target = edge.target();
+ if(source.css("display") != "none" && target.css("display") != "none") {
+ if(options.quality == "draft"){
+ let sourceNodeIndex = nodeIndexes.get(source.id());
+ let targetNodeIndex = nodeIndexes.get(target.id());
+ let sourceCenter = [];
+ let targetCenter = [];
+ if(source.isParent()){
+ let parentInfo = aux.calcBoundingBox(source, spectralResult[index].xCoords, spectralResult[index].yCoords, nodeIndexes);
+ sourceCenter.push(parentInfo.topLeftX + parentInfo.width / 2);
+ sourceCenter.push(parentInfo.topLeftY + parentInfo.height / 2);
+ }
+ else{
+ sourceCenter.push(spectralResult[index].xCoords[sourceNodeIndex]);
+ sourceCenter.push(spectralResult[index].yCoords[sourceNodeIndex]);
+ }
+ if(target.isParent()){
+ let parentInfo = aux.calcBoundingBox(target, spectralResult[index].xCoords, spectralResult[index].yCoords, nodeIndexes);
+ targetCenter.push(parentInfo.topLeftX + parentInfo.width / 2);
+ targetCenter.push(parentInfo.topLeftY + parentInfo.height / 2);
+ }
+ else{
+ targetCenter.push(spectralResult[index].xCoords[targetNodeIndex]);
+ targetCenter.push(spectralResult[index].yCoords[targetNodeIndex]);
+ }
+ subgraph.edges.push({startX: sourceCenter[0], startY: sourceCenter[1], endX: targetCenter[0], endY: targetCenter[1]});
+ }
+ else{
+ if(coseResult[index][source.id()] && coseResult[index][target.id()]) {
+ subgraph.edges.push({startX: coseResult[index][source.id()].getCenterX(), startY: coseResult[index][source.id()].getCenterY(), endX: coseResult[index][target.id()].getCenterX(), endY: coseResult[index][target.id()].getCenterY()});
+ }
+ }
+ }
+ });
+ if(subgraph.nodes.length > 0) {
+ subgraphs.push(subgraph);
+ componentsEvaluated.add(index);
+ }
+ }
+ });
+ let shiftResult = layUtil.packComponents(subgraphs, options.randomize).shifts;
+ if(options.quality == "draft"){
+ spectralResult.forEach(function(result, index){
+ let newXCoords = result.xCoords.map(x => x + shiftResult[index].dx);
+ let newYCoords = result.yCoords.map(y => y + shiftResult[index].dy);
+ result.xCoords = newXCoords;
+ result.yCoords = newYCoords;
+ });
+ }
+ else{
+ let count = 0;
+ componentsEvaluated.forEach((index) => {
+ Object.keys(coseResult[index]).forEach(function (item) {
+ let nodeRectangle = coseResult[index][item];
+ nodeRectangle.setCenter(nodeRectangle.getCenterX() + shiftResult[count].dx, nodeRectangle.getCenterY() + shiftResult[count].dy);
+ });
+ count++;
+ })
+ }
+ }
+ }
+ }
+
+ // get each element's calculated position
+ let getPositions = function(ele, i ){
+ if(options.quality == "default" || options.quality == "proof") {
+ if(typeof ele === "number") {
+ ele = i;
+ }
+ let pos;
+ let node;
+ let theId = ele.data('id');
+ coseResult.forEach(function(result){
+ if (theId in result){
+ pos = {x: result[theId].getRect().getCenterX(), y: result[theId].getRect().getCenterY()};
+ node = result[theId];
+ }
+ });
+ if(options.nodeDimensionsIncludeLabels){
+ if(node.labelWidth){
+ if(node.labelPosHorizontal == "left"){
+ pos.x += node.labelWidth/2;
+ }
+ else if(node.labelPosHorizontal == "right"){
+ pos.x -= node.labelWidth/2;
+ }
+ }
+ if(node.labelHeight){
+ if(node.labelPosVertical == "top"){
+ pos.y += node.labelHeight/2;
+ }
+ else if(node.labelPosVertical == "bottom"){
+ pos.y -= node.labelHeight/2;
+ }
+ }
+ }
+ if(pos == undefined)
+ pos = {x: ele.position("x"), y: ele.position("y")};
+ return {
+ x: pos.x,
+ y: pos.y
+ };
+ }
+ else{
+ let pos;
+ spectralResult.forEach(function(result){
+ let index = result.nodeIndexes.get(ele.id());
+ if(index != undefined){
+ pos = {x: result.xCoords[index], y: result.yCoords[index]};
+ }
+ });
+ if(pos == undefined)
+ pos = {x: ele.position("x"), y: ele.position("y")};
+ return {
+ x: pos.x,
+ y: pos.y
+ };
+ }
+ };
+
+ // quality = "draft" and randomize = false are contradictive so in that case positions don't change
+ if(options.quality == "default" || options.quality == "proof" || options.randomize) {
+ // transfer calculated positions to nodes (positions of only simple nodes are evaluated, compounds are positioned automatically)
+ let parentsWithoutChildren = aux.calcParentsWithoutChildren(cy, eles);
+ let hiddenEles = eles.filter((ele) => {return ele.css('display') == 'none'});
+ options.eles = eles.not(hiddenEles);
+
+ eles.nodes().not(":parent").not(hiddenEles).layoutPositions(layout, options, getPositions);
+
+ if(parentsWithoutChildren.length > 0){
+ parentsWithoutChildren.forEach((ele) => {
+ ele.position(getPositions(ele));
+ });
+ }
+ }
+ else{
+ console.log("If randomize option is set to false, then quality option must be 'default' or 'proof'.");
+ }
+
+ }
+}
+
+module.exports = Layout;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/src/fcose/spectral.js b/tools/ui/node_modules/cytoscape-fcose/src/fcose/spectral.js
new file mode 100644
index 0000000000000000000000000000000000000000..f95ec0b92f81728b0c83fb8a924dac3aab957528
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/src/fcose/spectral.js
@@ -0,0 +1,428 @@
+/**
+ The implementation of the spectral layout that is the first part of the fcose layout algorithm
+*/
+
+const aux = require('./auxiliary');
+const Matrix = require('cose-base').layoutBase.Matrix;
+const SVD = require('cose-base').layoutBase.SVD;
+
+// main function that spectral layout is processed
+let spectralLayout = function(options){
+
+ let cy = options.cy;
+ let eles = options.eles;
+ let nodes = eles.nodes();
+ let parentNodes = eles.nodes(":parent");
+
+ let dummyNodes = new Map(); // map to keep dummy nodes and their neighbors
+ let nodeIndexes = new Map(); // map to keep indexes to nodes
+ let parentChildMap = new Map(); // mapping btw. compound and its representative node
+ let allNodesNeighborhood = []; // array to keep neighborhood of all nodes
+ let xCoords = [];
+ let yCoords = [];
+
+ let samplesColumn = []; // sampled vertices
+ let minDistancesColumn = [];
+ let C = []; // column sampling matrix
+ let PHI = []; // intersection of column and row sampling matrices
+ let INV = []; // inverse of PHI
+
+ let firstSample; // the first sampled node
+ let nodeSize;
+
+ const infinity = 100000000;
+ const small = 0.000000001;
+
+ let piTol = options.piTol;
+ let samplingType = options.samplingType; // false for random, true for greedy
+ let nodeSeparation = options.nodeSeparation;
+ let sampleSize;
+
+ /**** Spectral-preprocessing functions ****/
+
+ /**** Spectral layout functions ****/
+
+ // determine which columns to be sampled
+ let randomSampleCR = function() {
+ let sample = 0;
+ let count = 0;
+ let flag = false;
+
+ while(count < sampleSize){
+ sample = Math.floor(Math.random() * nodeSize);
+
+ flag = false;
+ for(let i = 0; i < count; i++){
+ if(samplesColumn[i] == sample){
+ flag = true;
+ break;
+ }
+ }
+
+ if(!flag){
+ samplesColumn[count] = sample;
+ count++;
+ }
+ else{
+ continue;
+ }
+ }
+ };
+
+ // takes the index of the node(pivot) to initiate BFS as a parameter
+ let BFS = function(pivot, index, samplingMethod){
+ let path = []; // the front of the path
+ let front = 0; // the back of the path
+ let back = 0;
+ let current = 0;
+ let temp;
+ let distance = [];
+
+ let max_dist = 0; // the furthest node to be returned
+ let max_ind = 1;
+
+ for(let i = 0; i < nodeSize; i++){
+ distance[i] = infinity;
+ }
+
+ path[back] = pivot;
+ distance[pivot] = 0;
+
+ while(back >= front){
+ current = path[front++];
+ let neighbors = allNodesNeighborhood[current];
+ for(let i = 0; i < neighbors.length; i++){
+ temp = nodeIndexes.get(neighbors[i]);
+ if(distance[temp] == infinity){
+ distance[temp] = distance[current] + 1;
+ path[++back] = temp;
+ }
+ }
+ C[current][index] = distance[current] * nodeSeparation;
+ }
+
+ if(samplingMethod){
+ for(let i = 0; i < nodeSize; i++){
+ if(C[i][index] < minDistancesColumn[i])
+ minDistancesColumn[i] = C[i][index];
+ }
+
+ for(let i = 0; i < nodeSize; i++){
+ if(minDistancesColumn[i] > max_dist ){
+ max_dist = minDistancesColumn[i];
+ max_ind = i;
+
+ }
+ }
+ }
+ return max_ind;
+ };
+
+ // apply BFS to all nodes or selected samples
+ let allBFS = function(samplingMethod){
+
+ let sample;
+
+ if(!samplingMethod){
+ randomSampleCR();
+
+ // call BFS
+ for(let i = 0; i < sampleSize; i++){
+ BFS(samplesColumn[i], i, samplingMethod, false);
+ }
+ }
+ else{
+ sample = Math.floor(Math.random() * nodeSize);
+ firstSample = sample;
+
+ for(let i = 0; i < nodeSize; i++){
+ minDistancesColumn[i] = infinity;
+ }
+
+ for(let i = 0; i < sampleSize; i++){
+ samplesColumn[i] = sample;
+ sample = BFS(sample, i, samplingMethod);
+ }
+
+ }
+
+ // form the squared distances for C
+ for(let i = 0; i < nodeSize; i++){
+ for(let j = 0; j < sampleSize; j++){
+ C[i][j] *= C[i][j];
+ }
+ }
+
+ // form PHI
+ for(let i = 0; i < sampleSize; i++){
+ PHI[i] = [];
+ }
+
+ for(let i = 0; i < sampleSize; i++){
+ for(let j = 0; j < sampleSize; j++){
+ PHI[i][j] = C[samplesColumn[j]][i];
+ }
+ }
+ };
+
+ // perform the SVD algorithm and apply a regularization step
+ let sample = function(){
+
+ let SVDResult = SVD.svd(PHI);
+
+ let a_q = SVDResult.S;
+ let a_u = SVDResult.U;
+ let a_v = SVDResult.V;
+
+ let max_s = a_q[0]*a_q[0]*a_q[0];
+
+ let a_Sig = [];
+
+ // regularization
+ for(let i = 0; i < sampleSize; i++){
+ a_Sig[i] = [];
+ for(let j = 0; j < sampleSize; j++){
+ a_Sig[i][j] = 0;
+ if(i == j){
+ a_Sig[i][j] = a_q[i]/(a_q[i]*a_q[i] + max_s/(a_q[i]*a_q[i]));
+ }
+ }
+ }
+
+ INV = Matrix.multMat(Matrix.multMat(a_v, a_Sig), Matrix.transpose(a_u));
+
+ };
+
+ // calculate final coordinates
+ let powerIteration = function(){
+ // two largest eigenvalues
+ let theta1;
+ let theta2;
+
+ // initial guesses for eigenvectors
+ let Y1 = [];
+ let Y2 = [];
+
+ let V1 = [];
+ let V2 = [];
+
+ for(let i = 0; i < nodeSize; i++){
+ Y1[i] = Math.random();
+ Y2[i] = Math.random();
+ }
+
+ Y1 = Matrix.normalize(Y1);
+ Y2 = Matrix.normalize(Y2);
+
+ let count = 0;
+ // to keep track of the improvement ratio in power iteration
+ let current = small;
+ let previous = small;
+
+ let temp;
+
+ while(true){
+ count++;
+
+ for(let i = 0; i < nodeSize; i++){
+ V1[i] = Y1[i];
+ }
+
+ Y1 = Matrix.multGamma(Matrix.multL(Matrix.multGamma(V1), C, INV));
+ theta1 = Matrix.dotProduct(V1, Y1);
+ Y1 = Matrix.normalize(Y1);
+
+ current = Matrix.dotProduct(V1, Y1);
+
+ temp = Math.abs(current/previous);
+
+ if(temp <= 1 + piTol && temp >= 1){
+ break;
+ }
+
+ previous = current;
+ }
+
+ for(let i = 0; i < nodeSize; i++){
+ V1[i] = Y1[i];
+ }
+
+ count = 0;
+ previous = small;
+ while(true){
+ count++;
+
+ for(let i = 0; i < nodeSize; i++){
+ V2[i] = Y2[i];
+ }
+
+ V2 = Matrix.minusOp(V2, Matrix.multCons(V1, (Matrix.dotProduct(V1, V2))));
+ Y2 = Matrix.multGamma(Matrix.multL(Matrix.multGamma(V2), C, INV));
+ theta2 = Matrix.dotProduct(V2, Y2);
+ Y2 = Matrix.normalize(Y2);
+
+ current = Matrix.dotProduct(V2, Y2);
+
+ temp = Math.abs(current/previous);
+
+ if(temp <= 1 + piTol && temp >= 1){
+ break;
+ }
+
+ previous = current;
+ }
+
+ for(let i = 0; i < nodeSize; i++){
+ V2[i] = Y2[i];
+ }
+
+ // theta1 now contains dominant eigenvalue
+ // theta2 now contains the second-largest eigenvalue
+ // V1 now contains theta1's eigenvector
+ // V2 now contains theta2's eigenvector
+
+ //populate the two vectors
+ xCoords = Matrix.multCons(V1, Math.sqrt(Math.abs(theta1)));
+ yCoords = Matrix.multCons(V2, Math.sqrt(Math.abs(theta2)));
+
+ };
+
+ /**** Preparation for spectral layout (Preprocessing) ****/
+
+ // connect disconnected components (first top level, then inside of each compound node)
+ aux.connectComponents(cy, eles, aux.getTopMostNodes(nodes), dummyNodes);
+
+ parentNodes.forEach(function( ele ){
+ aux.connectComponents(cy, eles, aux.getTopMostNodes(ele.descendants().intersection(eles)), dummyNodes);
+ });
+
+ // assign indexes to nodes (first real, then dummy nodes)
+ let index = 0;
+ for(let i = 0; i < nodes.length; i++){
+ if(!nodes[i].isParent()){
+ nodeIndexes.set(nodes[i].id(), index++);
+ }
+ }
+
+ for (let key of dummyNodes.keys()) {
+ nodeIndexes.set(key, index++);
+ }
+
+ // instantiate the neighborhood matrix
+ for(let i = 0; i < nodeIndexes.size; i++){
+ allNodesNeighborhood[i] = [];
+ }
+
+ // form a parent-child map to keep representative node of each compound node
+ parentNodes.forEach(function( ele ){
+ let children = ele.children().intersection(eles);
+
+ // let random = 0;
+ while(children.nodes(":childless").length == 0){
+ // random = Math.floor(Math.random() * children.nodes().length); // if all children are compound then proceed randomly
+ children = children.nodes()[0].children().intersection(eles);
+ }
+ // select the representative node - we can apply different methods here
+ // random = Math.floor(Math.random() * children.nodes(":childless").length);
+ let index = 0;
+ let min = children.nodes(":childless")[0].connectedEdges().length;
+ children.nodes(":childless").forEach(function(ele2, i){
+ if(ele2.connectedEdges().length < min){
+ min = ele2.connectedEdges().length;
+ index = i;
+ }
+ });
+ parentChildMap.set(ele.id(), children.nodes(":childless")[index].id());
+ });
+
+ // add neighborhood relations (first real, then dummy nodes)
+ nodes.forEach(function( ele ){
+ let eleIndex;
+
+ if(ele.isParent())
+ eleIndex = nodeIndexes.get(parentChildMap.get(ele.id()));
+ else
+ eleIndex = nodeIndexes.get(ele.id());
+
+ ele.neighborhood().nodes().forEach(function(node){
+ if(eles.intersection(ele.edgesWith(node)).length > 0){
+ if(node.isParent())
+ allNodesNeighborhood[eleIndex].push(parentChildMap.get(node.id()));
+ else
+ allNodesNeighborhood[eleIndex].push(node.id());
+ }
+ });
+ });
+
+ for (let key of dummyNodes.keys()) {
+ let eleIndex = nodeIndexes.get(key);
+ let disconnectedId;
+ dummyNodes.get(key).forEach(function(id){
+ if(cy.getElementById(id).isParent())
+ disconnectedId = parentChildMap.get(id);
+ else
+ disconnectedId = id;
+
+ allNodesNeighborhood[eleIndex].push(disconnectedId);
+ allNodesNeighborhood[nodeIndexes.get(disconnectedId)].push(key);
+ });
+ }
+
+ // nodeSize now only considers the size of transformed graph
+ nodeSize = nodeIndexes.size;
+
+ let spectralResult;
+
+ // If number of nodes in transformed graph is 1 or 2, either SVD or powerIteration causes problem
+ // So skip spectral and layout the graph with cose
+ if(nodeSize > 2) {
+ // if # of nodes in transformed graph is smaller than sample size,
+ // then use # of nodes as sample size
+ sampleSize = nodeSize < options.sampleSize ? nodeSize : options.sampleSize;
+
+ // instantiates the partial matrices that will be used in spectral layout
+ for(let i = 0; i < nodeSize; i++){
+ C[i] = [];
+ }
+ for(let i = 0; i < sampleSize; i++){
+ INV[i] = [];
+ }
+
+ /**** Apply spectral layout ****/
+
+ if(options.quality == "draft" || options.step == "all"){
+ allBFS(samplingType);
+ sample();
+ powerIteration();
+
+ spectralResult = { nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords };
+ }
+ else{
+ nodeIndexes.forEach(function(value, key){
+ xCoords.push(cy.getElementById(key).position("x"));
+ yCoords.push(cy.getElementById(key).position("y"));
+ });
+ spectralResult = { nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords };
+ }
+ return spectralResult;
+ }
+ else {
+ let iterator = nodeIndexes.keys();
+ let firstNode = cy.getElementById(iterator.next().value);
+ let firstNodePos = firstNode.position();
+ let firstNodeWidth = firstNode.outerWidth();
+ xCoords.push(firstNodePos.x);
+ yCoords.push(firstNodePos.y);
+ if(nodeSize == 2){
+ let secondNode = cy.getElementById(iterator.next().value);
+ let secondNodeWidth = secondNode.outerWidth();
+ xCoords.push(firstNodePos.x + firstNodeWidth / 2 + secondNodeWidth / 2 + options.idealEdgeLength);
+ yCoords.push(firstNodePos.y);
+ }
+
+ spectralResult = { nodeIndexes: nodeIndexes, xCoords: xCoords, yCoords: yCoords };
+ return spectralResult;
+ }
+};
+
+module.exports = { spectralLayout };
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape-fcose/src/index.js b/tools/ui/node_modules/cytoscape-fcose/src/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..585c435cf5958e399b86558416363cdaf2fc4dc2
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/src/index.js
@@ -0,0 +1,14 @@
+const impl = require('./fcose');
+
+// registers the extension on a cytoscape lib ref
+let register = function( cytoscape ){
+ if( !cytoscape ){ return; } // can't register if cytoscape unspecified
+
+ cytoscape( 'layout', 'fcose', impl ); // register with cytoscape.js
+};
+
+if( typeof cytoscape !== 'undefined' ){ // expose to global cytoscape (i.e. window.cytoscape)
+ register( cytoscape );
+}
+
+module.exports = register;
diff --git a/tools/ui/node_modules/cytoscape-fcose/test/example.js b/tools/ui/node_modules/cytoscape-fcose/test/example.js
new file mode 100644
index 0000000000000000000000000000000000000000..2b907f27817cf0646989e6bddae6eecf9ad53d4d
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/test/example.js
@@ -0,0 +1,7 @@
+const chai = require('chai');
+
+describe('This', function(){
+ it('does that', function(){
+ expect( true ).to.be.true;
+ });
+});
diff --git a/tools/ui/node_modules/cytoscape-fcose/webpack.config.js b/tools/ui/node_modules/cytoscape-fcose/webpack.config.js
new file mode 100644
index 0000000000000000000000000000000000000000..d39d5de230e127f78109a76f8b4076ab4679b7b9
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape-fcose/webpack.config.js
@@ -0,0 +1,39 @@
+const path = require('path');
+const pkg = require('./package.json');
+const camelcase = require('camelcase');
+const process = require('process');
+const webpack = require('webpack');
+const env = process.env;
+const NODE_ENV = env.NODE_ENV;
+const MIN = env.MIN;
+const PROD = NODE_ENV === 'production';
+
+let config = {
+ devtool: PROD ? false : 'inline-source-map',
+ entry: './src/index.js',
+ output: {
+ path: path.join( __dirname ),
+ filename: pkg.name + '.js',
+ library: camelcase( pkg.name ),
+ libraryTarget: 'umd',
+ globalObject: 'this'
+ },
+ module: {
+ rules: [
+ { test: /\.js$/, exclude: /node_modules/, use: 'babel-loader' }
+ ]
+ },
+ optimization: {
+ minimize: MIN ? true : false,
+ },
+ externals: PROD ? {
+ 'cose-base': {
+ commonjs2: 'cose-base',
+ commonjs: 'cose-base',
+ amd: 'cose-base',
+ root: 'coseBase'
+ }
+ } : {}
+};
+
+module.exports = config;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/load-listeners.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/load-listeners.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..fdf4daabac719c34b7a64a040984c9afd364c8b9
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/load-listeners.mjs
@@ -0,0 +1,2195 @@
+import * as is from '../../../is.mjs';
+import * as util from '../../../util/index.mjs';
+import * as math from '../../../math.mjs';
+import { setFreed, setGrabbed } from './grab-state.mjs';
+
+var BRp = {};
+
+/* global document, ResizeObserver, MutationObserver */
+
+BRp.registerBinding = function( target, event, handler, useCapture ){ // eslint-disable-line no-unused-vars
+ var args = Array.prototype.slice.apply( arguments, [1] ); // copy
+
+ if( Array.isArray(target) ){
+ let res = [];
+ for( var i = 0; i < target.length; i++ ){
+ let t = target[i];
+ if( t !== undefined ){
+ var b = this.binder( t );
+ res.push( b.on.apply( b, args ) );
+ }
+ }
+ return res;
+ }
+
+ var b = this.binder( target );
+ return b.on.apply( b, args );
+};
+
+BRp.binder = function( tgt ){
+ var r = this;
+ var containerWindow = r.cy.window();
+
+ var tgtIsDom = tgt === containerWindow || tgt === containerWindow.document || tgt === containerWindow.document.body || is.domElement( tgt );
+
+ if( r.supportsPassiveEvents == null ){
+
+ // from https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md#feature-detection
+ var supportsPassive = false;
+ try {
+ var opts = Object.defineProperty( {}, 'passive', {
+ get: function(){
+ supportsPassive = true;
+
+ return true;
+ }
+ } );
+
+ containerWindow.addEventListener( 'test', null, opts );
+ } catch( err ){
+ // not supported
+ }
+
+ r.supportsPassiveEvents = supportsPassive;
+ }
+
+ var on = function( event, handler, useCapture ){
+ var args = Array.prototype.slice.call( arguments );
+
+ if( tgtIsDom && r.supportsPassiveEvents ){ // replace useCapture w/ opts obj
+ args[2] = {
+ capture: useCapture != null ? useCapture : false,
+ passive: false,
+ once: false
+ };
+ }
+
+ r.bindings.push({
+ target: tgt,
+ args: args
+ });
+
+ ( tgt.addEventListener || tgt.on ).apply( tgt, args );
+
+ return this;
+ };
+
+ return {
+ on: on,
+ addEventListener: on,
+ addListener: on,
+ bind: on
+ };
+};
+
+BRp.nodeIsDraggable = function( node ){
+ return (
+ node
+ && node.isNode()
+ && !node.locked()
+ && node.grabbable()
+ );
+};
+
+BRp.nodeIsGrabbable = function( node ){
+ return (
+ this.nodeIsDraggable( node )
+ && node.interactive()
+ );
+};
+
+BRp.load = function(){
+ var r = this;
+ var containerWindow = r.cy.window();
+ var isSelected = ele => ele.selected();
+
+ var getShadowRoot = function( element ){
+ const rootNode = element.getRootNode();
+ // Check if the root node is a shadow root
+ if ( rootNode && rootNode.nodeType === 11 && rootNode.host !== undefined ) {
+ return rootNode;
+ }
+ };
+
+ var triggerEvents = function( target, names, e, position ){
+ if( target == null ){
+ target = r.cy;
+ }
+
+ for( var i = 0; i < names.length; i++ ){
+ var name = names[ i ];
+
+ target.emit({
+ originalEvent: e,
+ type: name,
+ position
+ });
+ }
+ };
+
+ var isMultSelKeyDown = function( e ){
+ return e.shiftKey || e.metaKey || e.ctrlKey; // maybe e.altKey
+ };
+
+ var allowPanningPassthrough = function( down, downs ){
+ var allowPassthrough = true;
+
+ if( r.cy.hasCompoundNodes() && down && down.pannable() ){
+ // a grabbable compound node below the ele => no passthrough panning
+ for( var i = 0; downs && i < downs.length; i++ ){
+ var down = downs[i];
+
+ //if any parent node in event hierarchy isn't pannable, reject passthrough
+ if( down.isNode() && down.isParent() && !down.pannable() ){
+ allowPassthrough = false;
+ break;
+ }
+ }
+ } else {
+ allowPassthrough = true;
+ }
+
+ return allowPassthrough;
+ };
+
+ var setInDragLayer = function( ele ){
+ ele[0]._private.rscratch.inDragLayer = true;
+ };
+
+ var setOutDragLayer = function( ele ){
+ ele[0]._private.rscratch.inDragLayer = false;
+ };
+
+ var setGrabTarget = function( ele ){
+ ele[0]._private.rscratch.isGrabTarget = true;
+ };
+
+ var removeGrabTarget = function( ele ){
+ ele[0]._private.rscratch.isGrabTarget = false;
+ };
+
+ var addToDragList = function( ele, opts ){
+ var list = opts.addToList;
+ var listHasEle = list.has(ele);
+
+ if( !listHasEle && ele.grabbable() && !ele.locked() ){
+ list.merge( ele );
+ setGrabbed( ele );
+ }
+ };
+
+ // helper function to determine which child nodes and inner edges
+ // of a compound node to be dragged as well as the grabbed and selected nodes
+ var addDescendantsToDrag = function( node, opts ){
+ if( !node.cy().hasCompoundNodes() ){
+ return;
+ }
+
+ if( opts.inDragLayer == null && opts.addToList == null ){ return; } // nothing to do
+
+ var innerNodes = node.descendants();
+
+ if( opts.inDragLayer ){
+ innerNodes.forEach( setInDragLayer );
+ innerNodes.connectedEdges().forEach( setInDragLayer );
+ }
+
+ if( opts.addToList ){
+ addToDragList(innerNodes, opts);
+ }
+ };
+
+ // adds the given nodes and its neighbourhood to the drag layer
+ var addNodesToDrag = function( nodes, opts ){
+ opts = opts || {};
+
+ var hasCompoundNodes = nodes.cy().hasCompoundNodes();
+
+ if( opts.inDragLayer ){
+ nodes.forEach( setInDragLayer );
+
+ nodes.neighborhood().stdFilter(function( ele ){
+ return !hasCompoundNodes || ele.isEdge();
+ }).forEach( setInDragLayer );
+ }
+
+ if( opts.addToList ){
+ nodes.forEach(function( ele ){
+ addToDragList( ele, opts );
+ });
+ }
+
+ addDescendantsToDrag( nodes, opts ); // always add to drag
+
+ // also add nodes and edges related to the topmost ancestor
+ updateAncestorsInDragLayer( nodes, {
+ inDragLayer: opts.inDragLayer
+ } );
+
+ r.updateCachedGrabbedEles();
+ };
+
+ var addNodeToDrag = addNodesToDrag;
+
+ var freeDraggedElements = function( grabbedEles ){
+ if( !grabbedEles ){ return; }
+
+ // just go over all elements rather than doing a bunch of (possibly expensive) traversals
+ r.getCachedZSortedEles().forEach(function( ele ){
+ setFreed( ele );
+ setOutDragLayer( ele );
+ removeGrabTarget( ele );
+ });
+
+ r.updateCachedGrabbedEles();
+ };
+
+ // helper function to determine which ancestor nodes and edges should go
+ // to the drag layer (or should be removed from drag layer).
+ var updateAncestorsInDragLayer = function( node, opts ){
+
+ if( opts.inDragLayer == null && opts.addToList == null ){ return; } // nothing to do
+
+ if( !node.cy().hasCompoundNodes() ){
+ return;
+ }
+
+ // find top-level parent
+ var parent = node.ancestors().orphans();
+
+ // no parent node: no nodes to add to the drag layer
+ if( parent.same( node ) ){
+ return;
+ }
+
+ var nodes = parent.descendants().spawnSelf()
+ .merge( parent )
+ .unmerge( node )
+ .unmerge( node.descendants() )
+ ;
+
+ var edges = nodes.connectedEdges();
+
+ if( opts.inDragLayer ){
+ edges.forEach( setInDragLayer );
+ nodes.forEach( setInDragLayer );
+ }
+
+ if( opts.addToList ){
+ nodes.forEach(function( ele ){
+ addToDragList( ele, opts );
+ });
+ }
+ };
+
+ var blurActiveDomElement = function(){
+ if( document.activeElement != null && document.activeElement.blur != null ){
+ document.activeElement.blur();
+ }
+ };
+
+ var haveMutationsApi = typeof MutationObserver !== 'undefined';
+ var haveResizeObserverApi = typeof ResizeObserver !== 'undefined';
+
+ // watch for when the cy container is removed from the dom
+ if( haveMutationsApi ){
+ r.removeObserver = new MutationObserver( function( mutns ){ // eslint-disable-line no-undef
+ for( var i = 0; i < mutns.length; i++ ){
+ var mutn = mutns[ i ];
+ var rNodes = mutn.removedNodes;
+
+ if( rNodes ){ for( var j = 0; j < rNodes.length; j++ ){
+ var rNode = rNodes[ j ];
+
+ if( rNode === r.container ){
+ r.destroy();
+ break;
+ }
+ } }
+ }
+ } );
+
+ if( r.container.parentNode ){
+ r.removeObserver.observe( r.container.parentNode, { childList: true } );
+ }
+ } else {
+ r.registerBinding( r.container, 'DOMNodeRemoved', function( e ){ // eslint-disable-line no-unused-vars
+ r.destroy();
+ } );
+ }
+
+ var onResize = util.debounce( function(){
+ r.cy.resize();
+ }, 100 );
+
+ if( haveMutationsApi ){
+ r.styleObserver = new MutationObserver( onResize ); // eslint-disable-line no-undef
+
+ r.styleObserver.observe( r.container, { attributes: true } );
+ }
+
+ // auto resize
+ r.registerBinding( containerWindow, 'resize', onResize ); // eslint-disable-line no-undef
+
+ if( haveResizeObserverApi ){
+ r.resizeObserver = new ResizeObserver(onResize); // eslint-disable-line no-undef
+
+ r.resizeObserver.observe( r.container );
+ }
+
+ var forEachUp = function( domEle, fn ){
+ while( domEle != null ){
+ fn( domEle );
+
+ domEle = domEle.parentNode;
+ }
+ };
+
+ var invalidateCoords = function(){
+ r.invalidateContainerClientCoordsCache();
+ };
+
+ forEachUp( r.container, function( domEle ){
+ r.registerBinding( domEle, 'transitionend', invalidateCoords );
+ r.registerBinding( domEle, 'animationend', invalidateCoords );
+ r.registerBinding( domEle, 'scroll', invalidateCoords );
+ } );
+
+ // stop right click menu from appearing on cy
+ r.registerBinding( r.container, 'contextmenu', function( e ){
+ e.preventDefault();
+ } );
+
+ var inBoxSelection = function(){
+ return r.selection[4] !== 0;
+ };
+
+ var eventInContainer = function( e ){
+ // save cycles if mouse events aren't to be captured
+ var containerPageCoords = r.findContainerClientCoords();
+ var x = containerPageCoords[0];
+ var y = containerPageCoords[1];
+ var width = containerPageCoords[2];
+ var height = containerPageCoords[3];
+
+ var positions = e.touches ? e.touches : [ e ];
+ var atLeastOnePosInside = false;
+
+ for( var i = 0; i < positions.length; i++ ){
+ var p = positions[i];
+
+ if( x <= p.clientX && p.clientX <= x + width
+ && y <= p.clientY && p.clientY <= y + height
+ ){
+ atLeastOnePosInside = true;
+ break;
+ }
+ }
+
+ if( !atLeastOnePosInside ){ return false; }
+
+ var container = r.container;
+ var target = e.target;
+ var tParent = target.parentNode;
+ var containerIsTarget = false;
+
+ while( tParent ){
+ if( tParent === container ){
+ containerIsTarget = true;
+ break;
+ }
+
+ tParent = tParent.parentNode;
+ }
+
+ if( !containerIsTarget ){ return false; } // if target is outisde cy container, then this event is not for us
+
+ return true;
+ };
+
+ // Primary key
+ r.registerBinding( r.container, 'mousedown', function mousedownHandler( e ){
+ if( !eventInContainer(e) ){ return; }
+
+ // during left mouse button gestures, ignore other buttons
+ if (r.hoverData.which === 1 && e.which !== 1) {
+ return;
+ }
+
+ e.preventDefault();
+
+ blurActiveDomElement();
+
+ r.hoverData.capture = true;
+ r.hoverData.which = e.which;
+
+ var cy = r.cy;
+ var gpos = [ e.clientX, e.clientY ];
+ var pos = r.projectIntoViewport( gpos[0], gpos[1] );
+ var select = r.selection;
+ var nears = r.findNearestElements( pos[0], pos[1], true, false );
+ var near = nears[0];
+ var draggedElements = r.dragData.possibleDragElements;
+
+ r.hoverData.mdownPos = pos;
+ r.hoverData.mdownGPos = gpos;
+
+ let makeEvent = (type) => ({
+ originalEvent: e,
+ type: type,
+ position: { x: pos[0], y: pos[1] }
+ });
+
+ var checkForTaphold = function(){
+ r.hoverData.tapholdCancelled = false;
+
+ clearTimeout( r.hoverData.tapholdTimeout );
+
+ r.hoverData.tapholdTimeout = setTimeout( function(){
+
+ if( r.hoverData.tapholdCancelled ){
+ return;
+ } else {
+ var ele = r.hoverData.down;
+
+ if( ele ){
+ ele.emit(makeEvent('taphold'));
+ } else {
+ cy.emit(makeEvent('taphold'));
+ }
+ }
+
+ }, r.tapholdDuration );
+ };
+
+ // Right click button
+ if( e.which == 3 ){
+
+ r.hoverData.cxtStarted = true;
+
+ var cxtEvt = {
+ originalEvent: e,
+ type: 'cxttapstart',
+ position: { x: pos[0], y: pos[1] }
+ };
+
+ if( near ){
+ near.activate();
+ near.emit( cxtEvt );
+
+ r.hoverData.down = near;
+ } else {
+ cy.emit( cxtEvt );
+ }
+
+ r.hoverData.downTime = (new Date()).getTime();
+ r.hoverData.cxtDragged = false;
+
+ // Primary button
+ } else if( e.which == 1 ){
+
+ if( near ){
+ near.activate();
+ }
+
+ // Element dragging
+ {
+ // If something is under the cursor and it is draggable, prepare to grab it
+ if( near != null ){
+
+ if( r.nodeIsGrabbable( near ) ){
+ var triggerGrab = function( ele ){
+ ele.emit( makeEvent('grab') );
+ };
+
+ setGrabTarget( near );
+
+ if( !near.selected() ){
+
+ draggedElements = r.dragData.possibleDragElements = cy.collection();
+ addNodeToDrag( near, { addToList: draggedElements } );
+
+ near.emit( makeEvent('grabon') ).emit( makeEvent('grab') );
+
+ } else {
+ draggedElements = r.dragData.possibleDragElements = cy.collection();
+
+ var selectedNodes = cy.$( function( ele ){ return ele.isNode() && ele.selected() && r.nodeIsGrabbable( ele ); } );
+
+ addNodesToDrag( selectedNodes, { addToList: draggedElements } );
+
+ near.emit( makeEvent('grabon') );
+
+ selectedNodes.forEach( triggerGrab );
+ }
+
+ r.redrawHint( 'eles', true );
+ r.redrawHint( 'drag', true );
+
+ }
+
+ }
+
+ r.hoverData.down = near;
+ r.hoverData.downs = nears;
+ r.hoverData.downTime = (new Date()).getTime();
+ }
+
+ triggerEvents( near, [ 'mousedown', 'tapstart', 'vmousedown' ], e, { x: pos[0], y: pos[1] } );
+
+ if( near == null ){
+ select[4] = 1;
+
+ r.data.bgActivePosistion = {
+ x: pos[0],
+ y: pos[1]
+ };
+
+ r.redrawHint( 'select', true );
+
+ r.redraw();
+ } else if( near.pannable() ){
+ select[4] = 1; // for future pan
+ }
+
+ checkForTaphold();
+
+ }
+
+ // Initialize selection box coordinates
+ select[0] = select[2] = pos[0];
+ select[1] = select[3] = pos[1];
+
+ }, false );
+
+ var shadowRoot = getShadowRoot( r.container );
+ r.registerBinding( [ containerWindow, shadowRoot ], 'mousemove', function mousemoveHandler( e ){ // eslint-disable-line no-undef
+ var capture = r.hoverData.capture;
+
+ if( !capture && !eventInContainer(e) ){ return; }
+
+ var preventDefault = false;
+ var cy = r.cy;
+ var zoom = cy.zoom();
+ var gpos = [ e.clientX, e.clientY ];
+ var pos = r.projectIntoViewport( gpos[0], gpos[1] );
+ var mdownPos = r.hoverData.mdownPos;
+ var mdownGPos = r.hoverData.mdownGPos;
+ var select = r.selection;
+
+ var near = null;
+ if( !r.hoverData.draggingEles && !r.hoverData.dragging && !r.hoverData.selecting ){
+ near = r.findNearestElement( pos[0], pos[1], true, false );
+ }
+ var last = r.hoverData.last;
+ var down = r.hoverData.down;
+
+ var disp = [ pos[0] - select[2], pos[1] - select[3] ];
+
+ var draggedElements = r.dragData.possibleDragElements;
+
+ var isOverThresholdDrag;
+
+ if( mdownGPos ){
+ var dx = gpos[0] - mdownGPos[0];
+ var dx2 = dx * dx;
+ var dy = gpos[1] - mdownGPos[1];
+ var dy2 = dy * dy;
+ var dist2 = dx2 + dy2;
+
+ r.hoverData.isOverThresholdDrag = isOverThresholdDrag = dist2 >= r.desktopTapThreshold2;
+ }
+
+ var multSelKeyDown = isMultSelKeyDown( e );
+
+ if (isOverThresholdDrag) {
+ r.hoverData.tapholdCancelled = true;
+ }
+
+ var updateDragDelta = function(){
+ var dragDelta = r.hoverData.dragDelta = r.hoverData.dragDelta || [];
+
+ if( dragDelta.length === 0 ){
+ dragDelta.push( disp[0] );
+ dragDelta.push( disp[1] );
+ } else {
+ dragDelta[0] += disp[0];
+ dragDelta[1] += disp[1];
+ }
+ };
+
+
+ preventDefault = true;
+
+ triggerEvents( near, [ 'mousemove', 'vmousemove', 'tapdrag' ], e, { x: pos[0], y: pos[1] } );
+
+ let makeEvent = (type) => ({
+ originalEvent: e,
+ type: type,
+ position: { x: pos[0], y: pos[1] }
+ });
+
+ var goIntoBoxMode = function(){
+ r.data.bgActivePosistion = undefined;
+
+ if( !r.hoverData.selecting ){
+ cy.emit(makeEvent('boxstart'));
+ }
+
+ select[4] = 1;
+ r.hoverData.selecting = true;
+
+ r.redrawHint( 'select', true );
+ r.redraw();
+ };
+
+ // trigger context drag if rmouse down
+ if( r.hoverData.which === 3 ){
+ // but only if over threshold
+ if( isOverThresholdDrag ){
+ var cxtEvt = makeEvent('cxtdrag');
+
+ if( down ){
+ down.emit( cxtEvt );
+ } else {
+ cy.emit( cxtEvt );
+ }
+
+ r.hoverData.cxtDragged = true;
+
+ if( !r.hoverData.cxtOver || near !== r.hoverData.cxtOver ){
+
+ if( r.hoverData.cxtOver ){
+ r.hoverData.cxtOver.emit(makeEvent('cxtdragout'));
+ }
+
+ r.hoverData.cxtOver = near;
+
+ if( near ){
+ near.emit(makeEvent('cxtdragover'));
+ }
+
+ }
+ }
+
+ // Check if we are drag panning the entire graph
+ } else if( r.hoverData.dragging ){
+ preventDefault = true;
+
+ if( cy.panningEnabled() && cy.userPanningEnabled() ){
+ var deltaP;
+
+ if( r.hoverData.justStartedPan ){
+ var mdPos = r.hoverData.mdownPos;
+
+ deltaP = {
+ x: ( pos[0] - mdPos[0] ) * zoom,
+ y: ( pos[1] - mdPos[1] ) * zoom
+ };
+
+ r.hoverData.justStartedPan = false;
+
+ } else {
+ deltaP = {
+ x: disp[0] * zoom,
+ y: disp[1] * zoom
+ };
+
+ }
+
+ cy.panBy( deltaP );
+ cy.emit(makeEvent('dragpan'));
+
+ r.hoverData.dragged = true;
+ }
+
+ // Needs reproject due to pan changing viewport
+ pos = r.projectIntoViewport( e.clientX, e.clientY );
+
+ // Checks primary button down & out of time & mouse not moved much
+ } else if(
+ select[4] == 1 && (down == null || down.pannable())
+ ){
+
+ if( isOverThresholdDrag ){
+
+ if( !r.hoverData.dragging && cy.boxSelectionEnabled() && ( multSelKeyDown || !cy.panningEnabled() || !cy.userPanningEnabled() ) ){
+ goIntoBoxMode();
+
+ } else if( !r.hoverData.selecting && cy.panningEnabled() && cy.userPanningEnabled() ){
+ var allowPassthrough = allowPanningPassthrough( down, r.hoverData.downs );
+
+ if( allowPassthrough ){
+ r.hoverData.dragging = true;
+ r.hoverData.justStartedPan = true;
+ select[4] = 0;
+
+ r.data.bgActivePosistion = math.array2point( mdownPos );
+
+ r.redrawHint( 'select', true );
+ r.redraw();
+ }
+ }
+
+ if( down && down.pannable() && down.active() ){ down.unactivate(); }
+
+ }
+
+ } else {
+ if( down && down.pannable() && down.active() ){ down.unactivate(); }
+
+ if( ( !down || !down.grabbed() ) && near != last ){
+
+ if( last ){
+ triggerEvents( last, [ 'mouseout', 'tapdragout' ], e, { x: pos[0], y: pos[1] } );
+ }
+
+ if( near ){
+ triggerEvents( near, [ 'mouseover', 'tapdragover' ], e, { x: pos[0], y: pos[1] } );
+ }
+
+ r.hoverData.last = near;
+ }
+
+ if( down ){
+
+ if( isOverThresholdDrag ){ // then we can take action
+
+ if( cy.boxSelectionEnabled() && multSelKeyDown ){ // then selection overrides
+ if( down && down.grabbed() ){
+ freeDraggedElements( draggedElements );
+
+ down.emit(makeEvent('freeon'));
+ draggedElements.emit(makeEvent('free'));
+
+ if( r.dragData.didDrag ){
+ down.emit(makeEvent('dragfreeon'));
+ draggedElements.emit(makeEvent('dragfree'));
+ }
+ }
+
+ goIntoBoxMode();
+
+ } else if( down && down.grabbed() && r.nodeIsDraggable( down ) ){ // drag node
+ var justStartedDrag = !r.dragData.didDrag;
+
+ if( justStartedDrag ){
+ r.redrawHint( 'eles', true );
+ }
+
+ r.dragData.didDrag = true; // indicate that we actually did drag the node
+
+ // now, add the elements to the drag layer if not done already
+ if( !r.hoverData.draggingEles ){
+ addNodesToDrag( draggedElements, { inDragLayer: true } );
+ }
+
+ let totalShift = { x: 0, y: 0 };
+
+ if( is.number( disp[0] ) && is.number( disp[1] ) ){
+ totalShift.x += disp[0];
+ totalShift.y += disp[1];
+
+ if( justStartedDrag ){
+ var dragDelta = r.hoverData.dragDelta;
+
+ if( dragDelta && is.number( dragDelta[0] ) && is.number( dragDelta[1] ) ){
+ totalShift.x += dragDelta[0];
+ totalShift.y += dragDelta[1];
+ }
+ }
+ }
+
+ r.hoverData.draggingEles = true;
+
+ ( draggedElements
+ .silentShift( totalShift )
+ .emit(makeEvent('position'))
+ .emit(makeEvent('drag'))
+ );
+
+ r.redrawHint( 'drag', true );
+ r.redraw();
+ }
+
+ } else { // otherwise save drag delta for when we actually start dragging so the relative grab pos is constant
+ updateDragDelta();
+ }
+ }
+
+ // prevent the dragging from triggering text selection on the page
+ preventDefault = true;
+ }
+
+ select[2] = pos[0]; select[3] = pos[1];
+
+ if( preventDefault ){
+ if( e.stopPropagation ) e.stopPropagation();
+ if( e.preventDefault ) e.preventDefault();
+ return false;
+ }
+ }, false );
+
+ let clickTimeout, didDoubleClick, prevClickTimeStamp;
+ r.registerBinding( containerWindow, 'mouseup', function mouseupHandler( e ){ // eslint-disable-line no-undef
+ // during left mouse button gestures, ignore other buttons
+ if (r.hoverData.which === 1 && e.which !== 1 && r.hoverData.capture) {
+ return;
+ }
+
+ var capture = r.hoverData.capture;
+ if( !capture ){ return; }
+ r.hoverData.capture = false;
+
+ var cy = r.cy; var pos = r.projectIntoViewport( e.clientX, e.clientY ); var select = r.selection;
+ var near = r.findNearestElement( pos[0], pos[1], true, false );
+ var draggedElements = r.dragData.possibleDragElements; var down = r.hoverData.down;
+ var multSelKeyDown = isMultSelKeyDown( e );
+
+ if( r.data.bgActivePosistion ){
+ r.redrawHint( 'select', true );
+ r.redraw();
+ }
+
+ r.hoverData.tapholdCancelled = true;
+
+ r.data.bgActivePosistion = undefined; // not active bg now
+
+ if( down ){
+ down.unactivate();
+ }
+
+ let makeEvent = (type) => ({
+ originalEvent: e,
+ type: type,
+ position: { x: pos[0], y: pos[1] }
+ });
+
+ if( r.hoverData.which === 3 ){
+ var cxtEvt = (makeEvent('cxttapend'));
+
+ if( down ){
+ down.emit( cxtEvt );
+ } else {
+ cy.emit( cxtEvt );
+ }
+
+ if( !r.hoverData.cxtDragged ){
+ var cxtTap = makeEvent('cxttap');
+
+ if( down ){
+ down.emit( cxtTap );
+ } else {
+ cy.emit( cxtTap );
+ }
+ }
+
+ r.hoverData.cxtDragged = false;
+ r.hoverData.which = null;
+
+ } else if( r.hoverData.which === 1 ){
+
+ triggerEvents( near, [ 'mouseup', 'tapend', 'vmouseup' ], e, { x: pos[0], y: pos[1] } );
+
+ if (
+ !r.dragData.didDrag && // didn't move a node around
+ !r.hoverData.dragged && // didn't pan
+ !r.hoverData.selecting && // not box selection
+ !r.hoverData.isOverThresholdDrag // didn't move too much
+ ) {
+ triggerEvents(down, ["click", "tap", "vclick"], e, { x: pos[0], y: pos[1] });
+
+ didDoubleClick = false;
+ if (e.timeStamp - prevClickTimeStamp <= cy.multiClickDebounceTime()) {
+ clickTimeout && clearTimeout(clickTimeout);
+ didDoubleClick = true;
+ prevClickTimeStamp = null;
+ triggerEvents(down, ["dblclick", "dbltap", "vdblclick"], e, { x: pos[0], y: pos[1] });
+ } else {
+ clickTimeout = setTimeout(() => {
+ if (didDoubleClick) return;
+ triggerEvents(down, ["oneclick", "onetap", "voneclick"], e, { x: pos[0], y: pos[1] });
+ }, cy.multiClickDebounceTime());
+ prevClickTimeStamp = e.timeStamp;
+ }
+ }
+
+ // Deselect all elements if nothing is currently under the mouse cursor and we aren't dragging something
+ if( (down == null) // not mousedown on node
+ && !r.dragData.didDrag // didn't move the node around
+ && !r.hoverData.selecting // not box selection
+ && !r.hoverData.dragged // didn't pan
+ && !isMultSelKeyDown( e )
+ ){
+
+ cy.$(isSelected).unselect(['tapunselect']);
+
+ if( draggedElements.length > 0 ){
+ r.redrawHint( 'eles', true );
+ }
+
+ r.dragData.possibleDragElements = draggedElements = cy.collection();
+ }
+
+ // Single selection
+ if( near == down && !r.dragData.didDrag && !r.hoverData.selecting ){
+ if( near != null && near._private.selectable ){
+
+ if( r.hoverData.dragging ){
+ // if panning, don't change selection state
+ } else if( cy.selectionType() === 'additive' || multSelKeyDown ){
+ if( near.selected() ){
+ near.unselect(['tapunselect']);
+ } else {
+ near.select(['tapselect']);
+ }
+ } else {
+ if( !multSelKeyDown ){
+ cy.$(isSelected).unmerge( near ).unselect(['tapunselect']);
+ near.select(['tapselect']);
+ }
+ }
+
+ r.redrawHint( 'eles', true );
+ }
+ }
+
+ if( r.hoverData.selecting ){
+ var box = cy.collection( r.getAllInBox( select[0], select[1], select[2], select[3] ) );
+
+ r.redrawHint( 'select', true );
+
+ if( box.length > 0 ){
+ r.redrawHint( 'eles', true );
+ }
+
+ cy.emit(makeEvent('boxend'));
+
+ var eleWouldBeSelected = function( ele ){ return ele.selectable() && !ele.selected(); };
+
+ if( cy.selectionType() === 'additive' ){
+ box
+ .emit(makeEvent('box'))
+ .stdFilter( eleWouldBeSelected )
+ .select()
+ .emit(makeEvent('boxselect'))
+ ;
+ } else {
+ if( !multSelKeyDown ){
+ cy.$(isSelected).unmerge(box).unselect();
+ }
+
+ box
+ .emit(makeEvent('box'))
+ .stdFilter( eleWouldBeSelected )
+ .select()
+ .emit(makeEvent('boxselect'))
+ ;
+ }
+
+ // always need redraw in case eles unselectable
+ r.redraw();
+
+ }
+
+ // Cancel drag pan
+ if( r.hoverData.dragging ){
+ r.hoverData.dragging = false;
+
+ r.redrawHint( 'select', true );
+ r.redrawHint( 'eles', true );
+
+ r.redraw();
+ }
+
+ if( !select[4] ) {
+ r.redrawHint('drag', true);
+ r.redrawHint('eles', true);
+
+ var downWasGrabbed = down && down.grabbed();
+
+ freeDraggedElements( draggedElements );
+
+ if( downWasGrabbed ){
+ down.emit(makeEvent('freeon'));
+ draggedElements.emit(makeEvent('free'));
+
+ if( r.dragData.didDrag ){
+ down.emit(makeEvent('dragfreeon'));
+ draggedElements.emit(makeEvent('dragfree'));
+ }
+ }
+ }
+
+ } // else not right mouse
+
+ select[4] = 0; r.hoverData.down = null;
+
+ r.hoverData.cxtStarted = false;
+ r.hoverData.draggingEles = false;
+ r.hoverData.selecting = false;
+ r.hoverData.isOverThresholdDrag = false;
+ r.dragData.didDrag = false;
+ r.hoverData.dragged = false;
+ r.hoverData.dragDelta = [];
+ r.hoverData.mdownPos = null;
+ r.hoverData.mdownGPos = null;
+ r.hoverData.which = null;
+
+ }, false );
+
+ var wheelDeltas = []; // log of first N wheel deltas
+ var wheelDeltaN = 4; // how many events to log
+ var inaccurateScrollDevice;
+ var inaccurateScrollFactor = 100000; // base of inaccurate wheel deltas (e.g. base 5 could yield wheels of 10, 25, 50, etc.)
+
+ var allAreDivisibleBy = function( list, factor ){
+ for( var i = 0; i < list.length; i++ ){
+ if( list[i] % factor !== 0 ){
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ var allAreSameMagnitude = function(list) {
+ var firstMag = Math.abs(list[0]);
+ for (var i = 1; i < list.length; i++) {
+ if (Math.abs(list[i]) !== firstMag) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ var wheelHandler = function( e ){
+ var clamp = false;
+ var delta = e.deltaY;
+
+ if (delta == null) { // compatibility with old browsers
+ if (e.wheelDeltaY != null) {
+ delta = e.wheelDeltaY / 4;
+ } else if (e.wheelDelta != null) {
+ delta = e.wheelDelta / 4;
+ }
+ }
+
+ if (delta === 0) {
+ return; // no change in zoom (Bug: Zoom becomes erratic on rapid scroll due to deltaY: 0 event #3394)
+ }
+
+ if (inaccurateScrollDevice == null) {
+ if (wheelDeltas.length >= wheelDeltaN) { // use log to determine if inaccurate
+ var wds = wheelDeltas;
+ inaccurateScrollDevice = allAreDivisibleBy(wds, 5);
+
+ if (!inaccurateScrollDevice) { // check for all large values of exact same magnitude
+ var firstMag = Math.abs(wds[0]);
+
+ inaccurateScrollDevice = allAreSameMagnitude(wds) && firstMag > 5;
+ }
+
+ if (inaccurateScrollDevice) {
+ for (var i = 0; i < wds.length; i++) {
+ inaccurateScrollFactor = Math.min(Math.abs(wds[i]), inaccurateScrollFactor);
+ }
+ }
+
+ // console.log('Sampled wheel deltas:', wds);
+ // console.log('inaccurateScrollDevice:', inaccurateScrollDevice);
+ // console.log('inaccurateScrollFactor:', inaccurateScrollFactor);
+ } else { // clamp and log until we reach N
+ wheelDeltas.push(delta);
+ clamp = true;
+ // console.log('Clamping initial wheel events until we get a good sample');
+ }
+ } else if(inaccurateScrollDevice) { // keep updating
+ inaccurateScrollFactor = Math.min(Math.abs(delta), inaccurateScrollFactor);
+ // console.log('Keep updating inaccurateScrollFactor beyond sample in case we did not get the smallest possible val:', inaccurateScrollFactor);
+ }
+
+ if( r.scrollingPage ){ return; } // while scrolling, ignore wheel-to-zoom
+
+ var cy = r.cy;
+ var zoom = cy.zoom();
+ var pan = cy.pan();
+ var pos = r.projectIntoViewport( e.clientX, e.clientY );
+ var rpos = [ pos[0] * zoom + pan.x,
+ pos[1] * zoom + pan.y ];
+
+ if( r.hoverData.draggingEles || r.hoverData.dragging || r.hoverData.cxtStarted || inBoxSelection() ){ // if pan dragging or cxt dragging, wheel movements make no zoom
+ e.preventDefault();
+ return;
+ }
+
+ if( cy.panningEnabled() && cy.userPanningEnabled() && cy.zoomingEnabled() && cy.userZoomingEnabled() ){
+ e.preventDefault();
+
+ r.data.wheelZooming = true;
+ clearTimeout( r.data.wheelTimeout );
+ r.data.wheelTimeout = setTimeout( function(){
+ r.data.wheelZooming = false;
+
+ r.redrawHint( 'eles', true );
+ r.redraw();
+ }, 150 );
+
+ var diff;
+
+ if (clamp && Math.abs(delta) > 5) {
+ delta = math.signum(delta) * 5;
+ }
+
+ diff = delta / -250;
+
+ if (inaccurateScrollDevice) {
+ diff /= inaccurateScrollFactor;
+
+ diff *= 3;
+ }
+
+ diff = diff * r.wheelSensitivity;
+
+ // console.log(`delta = ${delta}, diff = ${diff}, mode = ${e.deltaMode}`)
+
+ var needsWheelFix = e.deltaMode === 1;
+ if( needsWheelFix ){ // fixes slow wheel events on ff/linux and ff/windows
+ diff *= 33;
+ }
+
+ var newZoom = cy.zoom() * Math.pow( 10, diff );
+
+ if( e.type === 'gesturechange' ){
+ newZoom = r.gestureStartZoom * e.scale;
+ }
+
+ cy.zoom( {
+ level: newZoom,
+ renderedPosition: { x: rpos[0], y: rpos[1] }
+ } );
+
+ cy.emit({
+ type: e.type === 'gesturechange' ? 'pinchzoom' : 'scrollzoom',
+ originalEvent: e,
+ position: { x: pos[0], y: pos[1] }
+ });
+ }
+
+ };
+
+ // Functions to help with whether mouse wheel should trigger zooming
+ // --
+ r.registerBinding( r.container, 'wheel', wheelHandler, true );
+
+ // disable nonstandard wheel events
+ // r.registerBinding(r.container, 'mousewheel', wheelHandler, true);
+ // r.registerBinding(r.container, 'DOMMouseScroll', wheelHandler, true);
+ // r.registerBinding(r.container, 'MozMousePixelScroll', wheelHandler, true); // older firefox
+
+ r.registerBinding( containerWindow, 'scroll', function scrollHandler( e ){ // eslint-disable-line no-unused-vars
+ r.scrollingPage = true;
+
+ clearTimeout( r.scrollingPageTimeout );
+ r.scrollingPageTimeout = setTimeout( function(){
+ r.scrollingPage = false;
+ }, 250 );
+ }, true );
+
+ // desktop safari pinch to zoom start
+ r.registerBinding( r.container, 'gesturestart', function gestureStartHandler(e){
+ r.gestureStartZoom = r.cy.zoom();
+
+ if( !r.hasTouchStarted ){ // don't affect touch devices like iphone
+ e.preventDefault();
+ }
+ }, true );
+
+ r.registerBinding( r.container, 'gesturechange', function(e){
+ if( !r.hasTouchStarted ){ // don't affect touch devices like iphone
+ wheelHandler(e);
+ }
+ }, true );
+
+ // Functions to help with handling mouseout/mouseover on the Cytoscape container
+ // Handle mouseout on Cytoscape container
+ r.registerBinding( r.container, 'mouseout', function mouseOutHandler( e ){
+ var pos = r.projectIntoViewport( e.clientX, e.clientY );
+
+ r.cy.emit( ( {
+ originalEvent: e,
+ type: 'mouseout',
+ position: { x: pos[0], y: pos[1] }
+ } ) );
+ }, false );
+
+ r.registerBinding( r.container, 'mouseover', function mouseOverHandler( e ){
+ var pos = r.projectIntoViewport( e.clientX, e.clientY );
+
+ r.cy.emit( ( {
+ originalEvent: e,
+ type: 'mouseover',
+ position: { x: pos[0], y: pos[1] }
+ } ) );
+ }, false );
+
+ var f1x1, f1y1, f2x1, f2y1; // starting points for pinch-to-zoom
+ var distance1, distance1Sq; // initial distance between finger 1 and finger 2 for pinch-to-zoom
+ var center1, modelCenter1; // center point on start pinch to zoom
+ var offsetLeft, offsetTop;
+ var containerWidth, containerHeight;
+ var twoFingersStartInside;
+
+ var distance = function( x1, y1, x2, y2 ){
+ return Math.sqrt( (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1) );
+ };
+
+ var distanceSq = function( x1, y1, x2, y2 ){
+ return (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1);
+ };
+
+ var touchstartHandler;
+ r.registerBinding( r.container, 'touchstart', touchstartHandler = function( e ){
+ r.hasTouchStarted = true;
+
+ if( !eventInContainer(e) ){ return; }
+
+ blurActiveDomElement();
+
+ r.touchData.capture = true;
+ r.data.bgActivePosistion = undefined;
+
+ var cy = r.cy;
+ var now = r.touchData.now;
+ var earlier = r.touchData.earlier;
+
+ if( e.touches[0] ){ var pos = r.projectIntoViewport( e.touches[0].clientX, e.touches[0].clientY ); now[0] = pos[0]; now[1] = pos[1]; }
+ if( e.touches[1] ){ var pos = r.projectIntoViewport( e.touches[1].clientX, e.touches[1].clientY ); now[2] = pos[0]; now[3] = pos[1]; }
+ if( e.touches[2] ){ var pos = r.projectIntoViewport( e.touches[2].clientX, e.touches[2].clientY ); now[4] = pos[0]; now[5] = pos[1]; }
+
+ let makeEvent = (type) => ({
+ originalEvent: e,
+ type: type,
+ position: { x: now[0], y: now[1] }
+ });
+
+ // record starting points for pinch-to-zoom
+ if( e.touches[1] ){
+
+ r.touchData.singleTouchMoved = true;
+
+ freeDraggedElements( r.dragData.touchDragEles );
+
+ var offsets = r.findContainerClientCoords();
+ offsetLeft = offsets[0];
+ offsetTop = offsets[1];
+ containerWidth = offsets[2];
+ containerHeight = offsets[3];
+
+ f1x1 = e.touches[0].clientX - offsetLeft;
+ f1y1 = e.touches[0].clientY - offsetTop;
+
+ f2x1 = e.touches[1].clientX - offsetLeft;
+ f2y1 = e.touches[1].clientY - offsetTop;
+
+ twoFingersStartInside =
+ 0 <= f1x1 && f1x1 <= containerWidth
+ && 0 <= f2x1 && f2x1 <= containerWidth
+ && 0 <= f1y1 && f1y1 <= containerHeight
+ && 0 <= f2y1 && f2y1 <= containerHeight
+ ;
+
+ var pan = cy.pan();
+ var zoom = cy.zoom();
+
+ distance1 = distance( f1x1, f1y1, f2x1, f2y1 );
+ distance1Sq = distanceSq( f1x1, f1y1, f2x1, f2y1 );
+ center1 = [ (f1x1 + f2x1) / 2, (f1y1 + f2y1) / 2 ];
+ modelCenter1 = [
+ (center1[0] - pan.x) / zoom,
+ (center1[1] - pan.y) / zoom
+ ];
+
+ // consider context tap
+ var cxtDistThreshold = 200;
+ var cxtDistThresholdSq = cxtDistThreshold * cxtDistThreshold;
+ if( distance1Sq < cxtDistThresholdSq && !e.touches[2] ){
+
+ var near1 = r.findNearestElement( now[0], now[1], true, true );
+ var near2 = r.findNearestElement( now[2], now[3], true, true );
+
+ if( near1 && near1.isNode() ){
+ near1.activate().emit(makeEvent('cxttapstart'));
+ r.touchData.start = near1;
+
+ } else if( near2 && near2.isNode() ){
+ near2.activate().emit(makeEvent('cxttapstart'));
+ r.touchData.start = near2;
+
+ } else {
+ cy.emit(makeEvent('cxttapstart'));
+ }
+
+ if( r.touchData.start ){ r.touchData.start._private.grabbed = false; }
+ r.touchData.cxt = true;
+ r.touchData.cxtDragged = false;
+ r.data.bgActivePosistion = undefined;
+
+ r.redraw();
+ return;
+
+ }
+
+ }
+
+ if( e.touches[2] ){
+ // ignore
+
+ // safari on ios pans the page otherwise (normally you should be able to preventdefault on touchmove...)
+ if( cy.boxSelectionEnabled() ){
+ e.preventDefault();
+ }
+
+ } else if( e.touches[1] ){
+ // ignore
+ } else if( e.touches[0] ){
+ var nears = r.findNearestElements( now[0], now[1], true, true );
+ var near = nears[0];
+
+ if( near != null ){
+ near.activate();
+
+ r.touchData.start = near;
+ r.touchData.starts = nears;
+
+ if( r.nodeIsGrabbable( near ) ){
+
+ var draggedEles = r.dragData.touchDragEles = cy.collection();
+ var selectedNodes = null;
+
+ r.redrawHint( 'eles', true );
+ r.redrawHint( 'drag', true );
+
+ if( near.selected() ){
+ // reset drag elements, since near will be added again
+
+ selectedNodes = cy.$( function( ele ){
+ return ele.selected() && r.nodeIsGrabbable( ele );
+ } );
+
+ addNodesToDrag( selectedNodes, { addToList: draggedEles } );
+ } else {
+ addNodeToDrag( near, { addToList: draggedEles } );
+ }
+
+ setGrabTarget( near );
+
+ near.emit( makeEvent('grabon') );
+
+ if( selectedNodes ){
+ selectedNodes.forEach(function( n ){ n.emit( makeEvent('grab') ); });
+ } else {
+ near.emit( makeEvent('grab') );
+ }
+ }
+ }
+
+ triggerEvents( near, [ 'touchstart', 'tapstart', 'vmousedown' ], e, { x: now[0], y: now[1] } );
+
+ if( near == null ){
+ r.data.bgActivePosistion = {
+ x: pos[0],
+ y: pos[1]
+ };
+
+ r.redrawHint( 'select', true );
+ r.redraw();
+ }
+
+
+ // Tap, taphold
+ // -----
+
+ r.touchData.singleTouchMoved = false;
+ r.touchData.singleTouchStartTime = +new Date();
+
+ clearTimeout( r.touchData.tapholdTimeout );
+ r.touchData.tapholdTimeout = setTimeout( function(){
+ if(
+ r.touchData.singleTouchMoved === false
+ && !r.pinching // if pinching, then taphold unselect shouldn't take effect
+ && !r.touchData.selecting // box selection shouldn't allow taphold through
+ ){
+ triggerEvents( r.touchData.start, [ 'taphold' ], e, { x: now[0], y: now[1] } );
+ }
+ }, r.tapholdDuration );
+ }
+
+ if( e.touches.length >= 1 ){
+ var sPos = r.touchData.startPosition = [null, null, null, null, null, null];
+
+ for( var i = 0; i < now.length; i++ ){
+ sPos[i] = earlier[i] = now[i];
+ }
+
+ var touch0 = e.touches[0];
+
+ r.touchData.startGPosition = [ touch0.clientX, touch0.clientY ];
+ }
+
+ }, false );
+
+ var touchmoveHandler;
+ r.registerBinding(containerWindow, 'touchmove', touchmoveHandler = function(e) { // eslint-disable-line no-undef
+ var capture = r.touchData.capture;
+
+ if( !capture && !eventInContainer(e) ){ return; }
+
+ var select = r.selection;
+ var cy = r.cy;
+ var now = r.touchData.now;
+ var earlier = r.touchData.earlier;
+ var zoom = cy.zoom();
+
+ if( e.touches[0] ){ var pos = r.projectIntoViewport( e.touches[0].clientX, e.touches[0].clientY ); now[0] = pos[0]; now[1] = pos[1]; }
+ if( e.touches[1] ){ var pos = r.projectIntoViewport( e.touches[1].clientX, e.touches[1].clientY ); now[2] = pos[0]; now[3] = pos[1]; }
+ if( e.touches[2] ){ var pos = r.projectIntoViewport( e.touches[2].clientX, e.touches[2].clientY ); now[4] = pos[0]; now[5] = pos[1]; }
+
+ let makeEvent = (type) => ({
+ originalEvent: e,
+ type: type,
+ position: { x: now[0], y: now[1] }
+ });
+
+ var startGPos = r.touchData.startGPosition;
+ var isOverThresholdDrag;
+
+ if( capture && e.touches[0] && startGPos ){
+ var disp = []; for (var j=0;j= r.touchTapThreshold2;
+ }
+
+ // context swipe cancelling
+ if( capture && r.touchData.cxt ){
+ e.preventDefault();
+
+ var f1x2 = e.touches[0].clientX - offsetLeft, f1y2 = e.touches[0].clientY - offsetTop;
+ var f2x2 = e.touches[1].clientX - offsetLeft, f2y2 = e.touches[1].clientY - offsetTop;
+ // var distance2 = distance( f1x2, f1y2, f2x2, f2y2 );
+ var distance2Sq = distanceSq( f1x2, f1y2, f2x2, f2y2 );
+ var factorSq = distance2Sq / distance1Sq;
+
+ var distThreshold = 150;
+ var distThresholdSq = distThreshold * distThreshold;
+ var factorThreshold = 1.5;
+ var factorThresholdSq = factorThreshold * factorThreshold;
+
+ // cancel ctx gestures if the distance b/t the fingers increases
+ if( factorSq >= factorThresholdSq || distance2Sq >= distThresholdSq ){
+ r.touchData.cxt = false;
+
+ r.data.bgActivePosistion = undefined;
+
+ r.redrawHint( 'select', true );
+
+ var cxtEvt = makeEvent('cxttapend');
+
+ if( r.touchData.start ){
+ r.touchData.start
+ .unactivate()
+ .emit( cxtEvt )
+ ;
+
+ r.touchData.start = null;
+ } else {
+ cy.emit( cxtEvt );
+ }
+ }
+
+ }
+
+ // context swipe
+ if( capture && r.touchData.cxt ){
+ var cxtEvt = makeEvent('cxtdrag');
+ r.data.bgActivePosistion = undefined;
+ r.redrawHint( 'select', true );
+
+ if( r.touchData.start ){
+ r.touchData.start.emit( cxtEvt );
+ } else {
+ cy.emit( cxtEvt );
+ }
+
+ if( r.touchData.start ){ r.touchData.start._private.grabbed = false; }
+ r.touchData.cxtDragged = true;
+
+ var near = r.findNearestElement( now[0], now[1], true, true );
+
+ if( !r.touchData.cxtOver || near !== r.touchData.cxtOver ){
+
+ if( r.touchData.cxtOver ){
+ r.touchData.cxtOver.emit(makeEvent('cxtdragout'));
+ }
+
+ r.touchData.cxtOver = near;
+
+ if( near ){
+ near.emit(makeEvent('cxtdragover'));
+ }
+
+ }
+
+ // box selection
+ } else if( capture && e.touches[2] && cy.boxSelectionEnabled() ){
+ e.preventDefault();
+
+ r.data.bgActivePosistion = undefined;
+
+ this.lastThreeTouch = +new Date();
+
+ if( !r.touchData.selecting ){
+ cy.emit(makeEvent('boxstart'));
+ }
+
+ r.touchData.selecting = true;
+ r.touchData.didSelect = true;
+ select[4] = 1;
+
+ if( !select || select.length === 0 || select[0] === undefined ){
+ select[0] = (now[0] + now[2] + now[4]) / 3;
+ select[1] = (now[1] + now[3] + now[5]) / 3;
+ select[2] = (now[0] + now[2] + now[4]) / 3 + 1;
+ select[3] = (now[1] + now[3] + now[5]) / 3 + 1;
+ } else {
+ select[2] = (now[0] + now[2] + now[4]) / 3;
+ select[3] = (now[1] + now[3] + now[5]) / 3;
+ }
+
+ r.redrawHint( 'select', true );
+ r.redraw();
+
+ // pinch to zoom
+ } else if(
+ capture && e.touches[1]
+ && !r.touchData.didSelect // don't allow box selection to degrade to pinch-to-zoom
+ && cy.zoomingEnabled() && cy.panningEnabled() && cy.userZoomingEnabled() && cy.userPanningEnabled()
+ ){ // two fingers => pinch to zoom
+ e.preventDefault();
+
+ r.data.bgActivePosistion = undefined;
+ r.redrawHint( 'select', true );
+
+ var draggedEles = r.dragData.touchDragEles;
+ if( draggedEles ){
+ r.redrawHint( 'drag', true );
+
+ for( var i = 0; i < draggedEles.length; i++ ){
+ var de_p = draggedEles[i]._private;
+
+ de_p.grabbed = false;
+ de_p.rscratch.inDragLayer = false;
+ }
+ }
+
+ let start = r.touchData.start;
+
+ // (x2, y2) for fingers 1 and 2
+ var f1x2 = e.touches[0].clientX - offsetLeft, f1y2 = e.touches[0].clientY - offsetTop;
+ var f2x2 = e.touches[1].clientX - offsetLeft, f2y2 = e.touches[1].clientY - offsetTop;
+
+
+ var distance2 = distance( f1x2, f1y2, f2x2, f2y2 );
+ // var distance2Sq = distanceSq( f1x2, f1y2, f2x2, f2y2 );
+ // var factor = Math.sqrt( distance2Sq ) / Math.sqrt( distance1Sq );
+ var factor = distance2 / distance1;
+
+ if( twoFingersStartInside ){
+ // delta finger1
+ var df1x = f1x2 - f1x1;
+ var df1y = f1y2 - f1y1;
+
+ // delta finger 2
+ var df2x = f2x2 - f2x1;
+ var df2y = f2y2 - f2y1;
+
+ // translation is the normalised vector of the two fingers movement
+ // i.e. so pinching cancels out and moving together pans
+ var tx = (df1x + df2x) / 2;
+ var ty = (df1y + df2y) / 2;
+
+ // now calculate the zoom
+ var zoom1 = cy.zoom();
+ var zoom2 = zoom1 * factor;
+ var pan1 = cy.pan();
+
+ // the model center point converted to the current rendered pos
+ var ctrx = modelCenter1[0] * zoom1 + pan1.x;
+ var ctry = modelCenter1[1] * zoom1 + pan1.y;
+
+ var pan2 = {
+ x: -zoom2 / zoom1 * (ctrx - pan1.x - tx) + ctrx,
+ y: -zoom2 / zoom1 * (ctry - pan1.y - ty) + ctry
+ };
+
+ // remove dragged eles
+ if( start && start.active() ){
+ var draggedEles = r.dragData.touchDragEles;
+
+ freeDraggedElements( draggedEles );
+
+ r.redrawHint( 'drag', true );
+ r.redrawHint( 'eles', true );
+
+ start
+ .unactivate()
+ .emit(makeEvent('freeon'))
+ ;
+
+ draggedEles.emit(makeEvent('free'));
+
+ if( r.dragData.didDrag ){
+ start.emit(makeEvent('dragfreeon'));
+ draggedEles.emit(makeEvent('dragfree'));
+ }
+ }
+
+ cy.viewport( {
+ zoom: zoom2,
+ pan: pan2,
+ cancelOnFailedZoom: true
+ } );
+ cy.emit(makeEvent('pinchzoom'));
+
+ distance1 = distance2;
+ f1x1 = f1x2;
+ f1y1 = f1y2;
+ f2x1 = f2x2;
+ f2y1 = f2y2;
+
+ r.pinching = true;
+ }
+
+ // Re-project
+ if( e.touches[0] ){ var pos = r.projectIntoViewport( e.touches[0].clientX, e.touches[0].clientY ); now[0] = pos[0]; now[1] = pos[1]; }
+ if( e.touches[1] ){ var pos = r.projectIntoViewport( e.touches[1].clientX, e.touches[1].clientY ); now[2] = pos[0]; now[3] = pos[1]; }
+ if( e.touches[2] ){ var pos = r.projectIntoViewport( e.touches[2].clientX, e.touches[2].clientY ); now[4] = pos[0]; now[5] = pos[1]; }
+
+ } else if(
+ e.touches[0]
+ && !r.touchData.didSelect // don't allow box selection to degrade to single finger events like panning
+ ){
+ var start = r.touchData.start;
+ var last = r.touchData.last;
+ var near;
+
+ if( !r.hoverData.draggingEles && !r.swipePanning ){
+ near = r.findNearestElement( now[0], now[1], true, true );
+ }
+
+ if( capture && start != null ){
+ e.preventDefault();
+ }
+
+ // dragging nodes
+ if( capture && start != null && r.nodeIsDraggable( start ) ){
+
+ if( isOverThresholdDrag ){ // then dragging can happen
+ var draggedEles = r.dragData.touchDragEles;
+ var justStartedDrag = !r.dragData.didDrag;
+
+ if( justStartedDrag ){
+ addNodesToDrag( draggedEles , { inDragLayer: true } );
+ }
+
+ r.dragData.didDrag = true;
+
+ var totalShift = { x: 0, y: 0 };
+
+ if( is.number( disp[0] ) && is.number( disp[1] ) ){
+ totalShift.x += disp[0];
+ totalShift.y += disp[1];
+
+ if( justStartedDrag ){
+ r.redrawHint( 'eles', true );
+
+ var dragDelta = r.touchData.dragDelta;
+
+ if( dragDelta && is.number( dragDelta[0] ) && is.number( dragDelta[1] ) ){
+ totalShift.x += dragDelta[0];
+ totalShift.y += dragDelta[1];
+ }
+ }
+ }
+
+ r.hoverData.draggingEles = true;
+
+ ( draggedEles
+ .silentShift( totalShift )
+ .emit(makeEvent('position'))
+ .emit(makeEvent('drag'))
+ );
+
+ r.redrawHint( 'drag', true );
+
+ if(
+ r.touchData.startPosition[0] == earlier[0]
+ && r.touchData.startPosition[1] == earlier[1]
+ ){
+
+ r.redrawHint( 'eles', true );
+ }
+
+ r.redraw();
+ } else { // otherwise keep track of drag delta for later
+ var dragDelta = r.touchData.dragDelta = r.touchData.dragDelta || [];
+
+ if( dragDelta.length === 0 ){
+ dragDelta.push( disp[0] );
+ dragDelta.push( disp[1] );
+ } else {
+ dragDelta[0] += disp[0];
+ dragDelta[1] += disp[1];
+ }
+ }
+ }
+
+ // touchmove
+ {
+ triggerEvents( (start || near), [ 'touchmove', 'tapdrag', 'vmousemove' ], e, { x: now[0], y: now[1] } );
+
+ if( ( !start || !start.grabbed() ) && near != last ){
+ if( last ){ last.emit(makeEvent('tapdragout')); }
+ if( near ){ near.emit(makeEvent('tapdragover')); }
+ }
+
+ r.touchData.last = near;
+ }
+
+ // check to cancel taphold
+ if( capture ){
+ for( var i = 0; i < now.length; i++ ){
+ if( now[ i ]
+ && r.touchData.startPosition[ i ]
+ && isOverThresholdDrag ){
+
+ r.touchData.singleTouchMoved = true;
+ }
+ }
+ }
+
+ // panning
+ if(
+ capture
+ && ( start == null || start.pannable() )
+ && cy.panningEnabled() && cy.userPanningEnabled()
+ ){
+
+ var allowPassthrough = allowPanningPassthrough( start, r.touchData.starts );
+
+ if( allowPassthrough ){
+ e.preventDefault();
+
+ if( !r.data.bgActivePosistion ){
+ r.data.bgActivePosistion = math.array2point( r.touchData.startPosition );
+ }
+
+ if( r.swipePanning ){
+ cy.panBy( {
+ x: disp[0] * zoom,
+ y: disp[1] * zoom
+ } );
+ cy.emit(makeEvent('dragpan'));
+
+ } else if( isOverThresholdDrag ){
+ r.swipePanning = true;
+
+ cy.panBy( {
+ x: dx * zoom,
+ y: dy * zoom
+ } );
+ cy.emit(makeEvent('dragpan'));
+
+ if( start ){
+ start.unactivate();
+
+ r.redrawHint( 'select', true );
+
+ r.touchData.start = null;
+ }
+ }
+
+ }
+
+ // Re-project
+ var pos = r.projectIntoViewport( e.touches[0].clientX, e.touches[0].clientY );
+ now[0] = pos[0]; now[1] = pos[1];
+ }
+ }
+
+ for( var j = 0; j < now.length; j++ ){ earlier[ j ] = now[ j ]; }
+
+ // the active bg indicator should be removed when making a swipe that is neither for dragging nodes or panning
+ if( capture && e.touches.length > 0 && !r.hoverData.draggingEles && !r.swipePanning && r.data.bgActivePosistion != null ){
+ r.data.bgActivePosistion = undefined;
+ r.redrawHint( 'select', true );
+ r.redraw();
+ }
+
+ }, false );
+ var touchcancelHandler;
+ r.registerBinding( containerWindow, 'touchcancel', touchcancelHandler = function( e ){ // eslint-disable-line no-unused-vars
+ var start = r.touchData.start;
+
+ r.touchData.capture = false;
+
+ if( start ){
+ start.unactivate();
+ }
+ } );
+
+ var touchendHandler, didDoubleTouch, touchTimeout, prevTouchTimeStamp;
+ r.registerBinding( containerWindow, 'touchend', touchendHandler = function( e ){ // eslint-disable-line no-unused-vars
+ var start = r.touchData.start;
+
+ var capture = r.touchData.capture;
+
+ if( capture ){
+ if( e.touches.length === 0 ){
+ r.touchData.capture = false;
+ }
+
+ e.preventDefault();
+ } else {
+ return;
+ }
+
+ var select = r.selection;
+
+ r.swipePanning = false;
+ r.hoverData.draggingEles = false;
+
+ var cy = r.cy;
+ var zoom = cy.zoom();
+ var now = r.touchData.now;
+ var earlier = r.touchData.earlier;
+
+ if( e.touches[0] ){ var pos = r.projectIntoViewport( e.touches[0].clientX, e.touches[0].clientY ); now[0] = pos[0]; now[1] = pos[1]; }
+ if( e.touches[1] ){ var pos = r.projectIntoViewport( e.touches[1].clientX, e.touches[1].clientY ); now[2] = pos[0]; now[3] = pos[1]; }
+ if( e.touches[2] ){ var pos = r.projectIntoViewport( e.touches[2].clientX, e.touches[2].clientY ); now[4] = pos[0]; now[5] = pos[1]; }
+
+ let makeEvent = (type) => ({
+ originalEvent: e,
+ type: type,
+ position: { x: now[0], y: now[1] }
+ });
+
+ if( start ){
+ start.unactivate();
+ }
+
+ var ctxTapend;
+ if( r.touchData.cxt ){
+ ctxTapend = makeEvent('cxttapend');
+
+ if( start ){
+ start.emit( ctxTapend );
+ } else {
+ cy.emit( ctxTapend );
+ }
+
+ if( !r.touchData.cxtDragged ){
+ var ctxTap = makeEvent('cxttap');
+
+ if( start ){
+ start.emit( ctxTap );
+ } else {
+ cy.emit( ctxTap );
+ }
+
+ }
+
+ if( r.touchData.start ){ r.touchData.start._private.grabbed = false; }
+ r.touchData.cxt = false;
+ r.touchData.start = null;
+
+ r.redraw();
+ return;
+ }
+
+ // no more box selection if we don't have three fingers
+ if( !e.touches[2] && cy.boxSelectionEnabled() && r.touchData.selecting ){
+ r.touchData.selecting = false;
+
+ var box = cy.collection( r.getAllInBox( select[0], select[1], select[2], select[3] ) );
+
+ select[0] = undefined;
+ select[1] = undefined;
+ select[2] = undefined;
+ select[3] = undefined;
+ select[4] = 0;
+
+ r.redrawHint( 'select', true );
+
+ cy.emit(makeEvent('boxend'));
+
+ var eleWouldBeSelected = function( ele ){ return ele.selectable() && !ele.selected(); };
+
+ box
+ .emit(makeEvent('box'))
+ .stdFilter( eleWouldBeSelected )
+ .select()
+ .emit(makeEvent('boxselect'))
+ ;
+
+ if( box.nonempty() ){
+ r.redrawHint( 'eles', true );
+ }
+
+ r.redraw();
+ }
+
+ if( start != null ){
+ start.unactivate();
+ }
+
+ if( e.touches[2] ){
+ r.data.bgActivePosistion = undefined;
+ r.redrawHint( 'select', true );
+ } else if( e.touches[1] ){
+ // ignore
+ } else if( e.touches[0] ){
+ // ignore
+
+ // Last touch released
+ } else if( !e.touches[0] ){
+
+ r.data.bgActivePosistion = undefined;
+ r.redrawHint( 'select', true );
+
+ var draggedEles = r.dragData.touchDragEles;
+
+ if( start != null ){
+
+ var startWasGrabbed = start._private.grabbed;
+
+ freeDraggedElements( draggedEles );
+
+ r.redrawHint( 'drag', true );
+ r.redrawHint( 'eles', true );
+
+ if( startWasGrabbed ){
+ start.emit(makeEvent('freeon'));
+ draggedEles.emit(makeEvent('free'));
+
+ if( r.dragData.didDrag ){
+ start.emit(makeEvent('dragfreeon'));
+ draggedEles.emit(makeEvent('dragfree'));
+ }
+ }
+
+ triggerEvents( start, [ 'touchend', 'tapend', 'vmouseup', 'tapdragout' ], e, { x: now[0], y: now[1] } );
+
+ start.unactivate();
+
+ r.touchData.start = null;
+
+ } else {
+ var near = r.findNearestElement( now[0], now[1], true, true );
+
+ triggerEvents( near, [ 'touchend', 'tapend', 'vmouseup', 'tapdragout' ], e, { x: now[0], y: now[1] } );
+ }
+
+ var dx = r.touchData.startPosition[0] - now[0];
+ var dx2 = dx * dx;
+ var dy = r.touchData.startPosition[1] - now[1];
+ var dy2 = dy * dy;
+ var dist2 = dx2 + dy2;
+ var rdist2 = dist2 * zoom * zoom;
+
+ // Tap event, roughly same as mouse click event for touch
+ if( !r.touchData.singleTouchMoved ){
+ if( !start ){
+ cy.$(':selected').unselect(['tapunselect']);
+ }
+
+ triggerEvents( start, [ 'tap', 'vclick' ], e, { x: now[0], y: now[1] } );
+
+ didDoubleTouch = false;
+ if (e.timeStamp - prevTouchTimeStamp <= cy.multiClickDebounceTime()) {
+ touchTimeout && clearTimeout(touchTimeout);
+ didDoubleTouch = true;
+ prevTouchTimeStamp = null;
+ triggerEvents( start, [ 'dbltap', 'vdblclick' ], e, { x: now[0], y: now[1] } );
+ } else {
+ touchTimeout = setTimeout(() => {
+ if (didDoubleTouch) return;
+ triggerEvents( start, [ 'onetap', 'voneclick' ], e, { x: now[0], y: now[1] } );
+ }, cy.multiClickDebounceTime());
+ prevTouchTimeStamp = e.timeStamp;
+ }
+ }
+
+ // Prepare to select the currently touched node, only if it hasn't been dragged past a certain distance
+ if( start != null
+ && !r.dragData.didDrag // didn't drag nodes around
+ && start._private.selectable
+ && rdist2 < r.touchTapThreshold2
+ && !r.pinching // pinch to zoom should not affect selection
+ ){
+
+ if( cy.selectionType() === 'single' ){
+ cy.$(isSelected).unmerge( start ).unselect(['tapunselect']);
+ start.select(['tapselect']);
+ } else {
+ if( start.selected() ){
+ start.unselect(['tapunselect']);
+ } else {
+ start.select(['tapselect']);
+ }
+ }
+
+ r.redrawHint( 'eles', true );
+ }
+
+ r.touchData.singleTouchMoved = true;
+ }
+
+ for( var j = 0; j < now.length; j++ ){ earlier[ j ] = now[ j ]; }
+
+ r.dragData.didDrag = false; // reset for next touchstart
+
+ if( e.touches.length === 0 ){
+ r.touchData.dragDelta = [];
+ r.touchData.startPosition = [null, null, null, null, null, null];
+ r.touchData.startGPosition = null;
+ r.touchData.didSelect = false;
+ }
+
+ if( e.touches.length < 2 ){
+ if( e.touches.length === 1 ){
+ // the old start global pos'n may not be the same finger that remains
+ r.touchData.startGPosition = [ e.touches[0].clientX, e.touches[0].clientY ];
+ }
+
+ r.pinching = false;
+
+ r.redrawHint( 'eles', true );
+ r.redraw();
+ }
+
+ //r.redraw();
+
+ }, false );
+
+ // fallback compatibility layer for ms pointer events
+ if( typeof TouchEvent === 'undefined' ){
+
+ var pointers = [];
+
+ var makeTouch = function( e ){
+ return {
+ clientX: e.clientX,
+ clientY: e.clientY,
+ force: 1,
+ identifier: e.pointerId,
+ pageX: e.pageX,
+ pageY: e.pageY,
+ radiusX: e.width / 2,
+ radiusY: e.height / 2,
+ screenX: e.screenX,
+ screenY: e.screenY,
+ target: e.target
+ };
+ };
+
+ var makePointer = function( e ){
+ return {
+ event: e,
+ touch: makeTouch( e )
+ };
+ };
+
+ var addPointer = function( e ){
+ pointers.push( makePointer( e ) );
+ };
+
+ var removePointer = function( e ){
+ for( var i = 0; i < pointers.length; i++ ){
+ var p = pointers[ i ];
+
+ if( p.event.pointerId === e.pointerId ){
+ pointers.splice( i, 1 );
+ return;
+ }
+ }
+ };
+
+ var updatePointer = function( e ){
+ var p = pointers.filter( function( p ){
+ return p.event.pointerId === e.pointerId;
+ } )[0];
+
+ p.event = e;
+ p.touch = makeTouch( e );
+ };
+
+ var addTouchesToEvent = function( e ){
+ e.touches = pointers.map( function( p ){
+ return p.touch;
+ } );
+ };
+
+ var pointerIsMouse = function( e ){
+ return e.pointerType === 'mouse' || e.pointerType === 4;
+ };
+
+ r.registerBinding( r.container, 'pointerdown', function( e ){
+ if( pointerIsMouse(e) ){ return; } // mouse already handled
+
+ e.preventDefault();
+
+ addPointer( e );
+
+ addTouchesToEvent( e );
+ touchstartHandler( e );
+ } );
+
+ r.registerBinding( r.container, 'pointerup', function( e ){
+ if( pointerIsMouse(e) ){ return; } // mouse already handled
+
+ removePointer( e );
+
+ addTouchesToEvent( e );
+ touchendHandler( e );
+ } );
+
+ r.registerBinding( r.container, 'pointercancel', function( e ){
+ if( pointerIsMouse(e) ){ return; } // mouse already handled
+
+ removePointer( e );
+
+ addTouchesToEvent( e );
+ touchcancelHandler( e );
+ } );
+
+ r.registerBinding( r.container, 'pointermove', function( e ){
+ if( pointerIsMouse(e) ){ return; } // mouse already handled
+
+ e.preventDefault();
+
+ updatePointer( e );
+
+ addTouchesToEvent( e );
+ touchmoveHandler( e );
+ } );
+
+ }
+};
+
+export default BRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/node-shapes.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/node-shapes.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..646c4b048ae5638d8b53762b261faf0a25e99db1
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/node-shapes.mjs
@@ -0,0 +1,658 @@
+import * as math from '../../../math.mjs';
+import * as round from "../../../round.mjs";
+
+var BRp = {};
+
+BRp.generatePolygon = function( name, points ){
+ return ( this.nodeShapes[ name ] = {
+ renderer: this,
+
+ name: name,
+
+ points: points,
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius ){
+ this.renderer.nodeShapeImpl( 'polygon', context, centerX, centerY, width, height, this.points );
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius ){
+ return math.polygonIntersectLine(
+ x, y,
+ this.points,
+ nodeX,
+ nodeY,
+ width / 2, height / 2,
+ padding )
+ ;
+ },
+
+ checkPoint: function( x, y, padding, width, height, centerX, centerY, cornerRadius ){
+ return math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width, height, [0, -1], padding )
+ ;
+ },
+
+ hasMiterBounds: name !== 'rectangle',
+
+ miterBounds: function( centerX, centerY, width, height, strokeWidth, strokePosition ){
+ return math.miterBox( this.points, centerX, centerY, width, height, strokeWidth, strokePosition );
+ }
+ } );
+};
+
+BRp.generateEllipse = function(){
+ return ( this.nodeShapes['ellipse'] = {
+ renderer: this,
+
+ name: 'ellipse',
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius ){
+ this.renderer.nodeShapeImpl( this.name, context, centerX, centerY, width, height );
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius ){
+ return math.intersectLineEllipse(
+ x, y,
+ nodeX,
+ nodeY,
+ width / 2 + padding,
+ height / 2 + padding )
+ ;
+ },
+
+ checkPoint: function( x, y, padding, width, height, centerX, centerY, cornerRadius ){
+ return math.checkInEllipse( x, y, width, height, centerX, centerY, padding );
+ }
+ } );
+};
+
+BRp.generateRoundPolygon = function( name, points ){
+
+ return ( this.nodeShapes[ name ] = {
+ renderer: this,
+
+ name: name,
+
+ points: points,
+
+ getOrCreateCorners: function (centerX, centerY, width, height, cornerRadius, rs, field) {
+ if( rs[field] !== undefined && rs[field + '-cx'] === centerX && rs [field + '-cy'] === centerY ){
+ return rs[field];
+ }
+
+ rs[field] = new Array( points.length / 2 );
+ rs[field + '-cx'] = centerX;
+ rs[field + '-cy'] = centerY;
+ const halfW = width / 2;
+ const halfH = height / 2;
+ cornerRadius = cornerRadius === 'auto' ? math.getRoundPolygonRadius( width, height ) : cornerRadius;
+ const p = new Array( points.length / 2 );
+
+ for ( let i = 0; i < points.length / 2; i++ ){
+ p[i] = {
+ x: centerX + halfW * points[ i * 2 ],
+ y: centerY + halfH * points[ i * 2 + 1 ]
+ };
+ }
+
+ let i, p1, p2, p3, len = p.length;
+
+ p1 = p[ len - 1 ];
+ // for each point
+ for( i = 0; i < len; i++ ){
+ p2 = p[ (i) % len ];
+ p3 = p[ (i + 1) % len ];
+ rs[ field ][ i ] = round.getRoundCorner( p1, p2, p3, cornerRadius );
+
+ p1 = p2;
+ p2 = p3;
+ }
+
+ return rs[ field ];
+ },
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius , rs){
+ this.renderer.nodeShapeImpl( 'round-polygon', context, centerX, centerY, width, height, this.points, this.getOrCreateCorners( centerX, centerY, width, height, cornerRadius, rs, 'drawCorners' ));
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius, rs ){
+ return math.roundPolygonIntersectLine(
+ x, y,
+ this.points,
+ nodeX,
+ nodeY,
+ width, height,
+ padding, this.getOrCreateCorners( nodeX, nodeY, width, height, cornerRadius, rs, 'corners' ) )
+ ;
+ },
+
+ checkPoint: function( x, y, padding, width, height, centerX, centerY, cornerRadius, rs ){
+ return math.pointInsideRoundPolygon( x, y, this.points,
+ centerX, centerY, width, height, this.getOrCreateCorners( centerX, centerY, width, height, cornerRadius, rs, 'corners' ) )
+ ;
+ }
+ } );
+};
+
+BRp.generateRoundRectangle = function(){
+ return ( this.nodeShapes['round-rectangle'] = this.nodeShapes['roundrectangle'] = {
+ renderer: this,
+
+ name: 'round-rectangle',
+
+ points: math.generateUnitNgonPointsFitToSquare( 4, 0 ),
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius ){
+ this.renderer.nodeShapeImpl( this.name, context, centerX, centerY, width, height, this.points, cornerRadius );
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius ){
+ return math.roundRectangleIntersectLine(
+ x, y,
+ nodeX,
+ nodeY,
+ width, height,
+ padding, cornerRadius )
+ ;
+ },
+
+ checkPoint: function(
+ x, y, padding, width, height, centerX, centerY, cornerRadius ){
+ let halfWidth = width / 2;
+ let halfHeight = height / 2;
+ cornerRadius = cornerRadius === 'auto' ? math.getRoundRectangleRadius( width, height ) : cornerRadius;
+ cornerRadius = Math.min(halfWidth, halfHeight, cornerRadius);
+ var diam = cornerRadius * 2;
+
+ // Check hBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width, height - diam, [0, -1], padding ) ){
+ return true;
+ }
+
+ // Check vBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width - diam, height, [0, -1], padding ) ){
+ return true;
+ }
+
+ // Check top left quarter circle
+ if( math.checkInEllipse( x, y,
+ diam, diam,
+ centerX - halfWidth + cornerRadius,
+ centerY - halfHeight + cornerRadius,
+ padding ) ){
+
+ return true;
+ }
+
+ // Check top right quarter circle
+ if( math.checkInEllipse( x, y,
+ diam, diam,
+ centerX + halfWidth - cornerRadius,
+ centerY - halfHeight + cornerRadius,
+ padding ) ){
+
+ return true;
+ }
+
+ // Check bottom right quarter circle
+ if( math.checkInEllipse( x, y,
+ diam, diam,
+ centerX + halfWidth - cornerRadius,
+ centerY + halfHeight - cornerRadius,
+ padding ) ){
+
+ return true;
+ }
+
+ // Check bottom left quarter circle
+ if( math.checkInEllipse( x, y,
+ diam, diam,
+ centerX - halfWidth + cornerRadius,
+ centerY + halfHeight - cornerRadius,
+ padding ) ){
+
+ return true;
+ }
+
+ return false;
+ }
+ } );
+};
+
+BRp.generateCutRectangle = function(){
+ return ( this.nodeShapes['cut-rectangle'] = this.nodeShapes['cutrectangle'] = {
+ renderer: this,
+
+ name: 'cut-rectangle',
+
+ cornerLength: math.getCutRectangleCornerLength(),
+
+ points: math.generateUnitNgonPointsFitToSquare( 4, 0 ),
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius ){
+ this.renderer.nodeShapeImpl( this.name, context, centerX, centerY, width, height, null, cornerRadius);
+ },
+
+ generateCutTrianglePts: function( width, height, centerX, centerY, cornerRadius ){
+ var cl = cornerRadius === 'auto' ? this.cornerLength : cornerRadius;
+ var hh = height / 2;
+ var hw = width / 2;
+ var xBegin = centerX - hw;
+ var xEnd = centerX + hw;
+ var yBegin = centerY - hh;
+ var yEnd = centerY + hh;
+
+ // points are in clockwise order, inner (imaginary) triangle pt on [4, 5]
+ return {
+ topLeft: [ xBegin, yBegin + cl, xBegin + cl, yBegin, xBegin + cl, yBegin + cl ],
+ topRight: [ xEnd - cl, yBegin, xEnd, yBegin + cl, xEnd - cl, yBegin + cl ],
+ bottomRight: [ xEnd, yEnd - cl, xEnd - cl, yEnd, xEnd - cl, yEnd - cl ],
+ bottomLeft: [ xBegin + cl, yEnd, xBegin, yEnd - cl, xBegin + cl, yEnd - cl ]
+ };
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius ){
+ var cPts = this.generateCutTrianglePts( width + 2*padding, height+2*padding, nodeX, nodeY, cornerRadius );
+ var pts = [].concat.apply([],
+ [cPts.topLeft.splice(0, 4), cPts.topRight.splice(0, 4),
+ cPts.bottomRight.splice(0, 4), cPts.bottomLeft.splice(0, 4)
+ ]);
+
+ return math.polygonIntersectLine( x, y, pts, nodeX, nodeY );
+ },
+
+ checkPoint: function( x, y, padding, width, height, centerX, centerY, cornerRadius ){
+ const cl = cornerRadius === 'auto' ? this.cornerLength : cornerRadius;
+ // Check hBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width, height - 2 * cl, [0, -1], padding ) ){
+ return true;
+ }
+
+ // Check vBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width - 2 * cl, height, [0, -1], padding ) ){
+ return true;
+ }
+ var cutTrianglePts = this.generateCutTrianglePts(width, height, centerX, centerY);
+ return math.pointInsidePolygonPoints( x, y, cutTrianglePts.topLeft)
+ || math.pointInsidePolygonPoints( x, y, cutTrianglePts.topRight )
+ || math.pointInsidePolygonPoints( x, y, cutTrianglePts.bottomRight )
+ || math.pointInsidePolygonPoints( x, y, cutTrianglePts.bottomLeft );
+ }
+
+ } );
+};
+
+BRp.generateBarrel = function(){
+ return ( this.nodeShapes['barrel'] = {
+ renderer: this,
+
+ name: 'barrel',
+
+ points: math.generateUnitNgonPointsFitToSquare( 4, 0 ),
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius ){
+ this.renderer.nodeShapeImpl( this.name, context, centerX, centerY, width, height );
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius ){
+ // use two fixed t values for the bezier curve approximation
+
+ var t0 = 0.15;
+ var t1 = 0.5;
+ var t2 = 0.85;
+
+ var bPts = this.generateBarrelBezierPts( width + 2*padding, height + 2*padding, nodeX, nodeY );
+
+ var approximateBarrelCurvePts = pts => {
+ // approximate curve pts based on the two t values
+ var m0 = math.qbezierPtAt({x: pts[0], y: pts[1]}, {x: pts[2], y: pts[3]}, {x: pts[4], y: pts[5]}, t0);
+ var m1 = math.qbezierPtAt({x: pts[0], y: pts[1]}, {x: pts[2], y: pts[3]}, {x: pts[4], y: pts[5]}, t1);
+ var m2 = math.qbezierPtAt({x: pts[0], y: pts[1]}, {x: pts[2], y: pts[3]}, {x: pts[4], y: pts[5]}, t2);
+
+ return [
+ pts[0],pts[1],
+ m0.x, m0.y,
+ m1.x, m1.y,
+ m2.x, m2.y,
+ pts[4], pts[5]
+ ];
+ };
+
+ var pts = [].concat(
+ approximateBarrelCurvePts(bPts.topLeft),
+ approximateBarrelCurvePts(bPts.topRight),
+ approximateBarrelCurvePts(bPts.bottomRight),
+ approximateBarrelCurvePts(bPts.bottomLeft)
+ );
+
+ return math.polygonIntersectLine( x, y, pts, nodeX, nodeY );
+ },
+
+ generateBarrelBezierPts: function( width, height, centerX, centerY ){
+ var hh = height / 2;
+ var hw = width / 2;
+ var xBegin = centerX - hw;
+ var xEnd = centerX + hw;
+ var yBegin = centerY - hh;
+ var yEnd = centerY + hh;
+
+ var curveConstants = math.getBarrelCurveConstants( width, height );
+ var hOffset = curveConstants.heightOffset;
+ var wOffset = curveConstants.widthOffset;
+ var ctrlPtXOffset = curveConstants.ctrlPtOffsetPct * width;
+
+ // points are in clockwise order, inner (imaginary) control pt on [4, 5]
+ var pts = {
+ topLeft: [ xBegin, yBegin + hOffset, xBegin + ctrlPtXOffset, yBegin, xBegin + wOffset, yBegin ],
+ topRight: [ xEnd - wOffset, yBegin, xEnd - ctrlPtXOffset, yBegin, xEnd, yBegin + hOffset ],
+ bottomRight: [ xEnd, yEnd - hOffset, xEnd - ctrlPtXOffset, yEnd, xEnd - wOffset, yEnd ],
+ bottomLeft: [ xBegin + wOffset, yEnd, xBegin + ctrlPtXOffset, yEnd, xBegin, yEnd - hOffset ]
+ };
+
+ pts.topLeft.isTop = true;
+ pts.topRight.isTop = true;
+ pts.bottomLeft.isBottom = true;
+ pts.bottomRight.isBottom = true;
+
+ return pts;
+ },
+
+ checkPoint: function(
+ x, y, padding, width, height, centerX, centerY, cornerRadius){
+
+ var curveConstants = math.getBarrelCurveConstants( width, height );
+ var hOffset = curveConstants.heightOffset;
+ var wOffset = curveConstants.widthOffset;
+
+ // Check hBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width, height - 2 * hOffset, [0, -1], padding ) ){
+ return true;
+ }
+
+ // Check vBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width - 2 * wOffset, height, [0, -1], padding ) ){
+ return true;
+ }
+
+ var barrelCurvePts = this.generateBarrelBezierPts( width, height, centerX, centerY );
+
+ var getCurveT = function (x, y, curvePts) {
+ var x0 = curvePts[ 4 ];
+ var x1 = curvePts[ 2 ];
+ var x2 = curvePts[ 0 ];
+ var y0 = curvePts[ 5 ];
+ // var y1 = curvePts[ 3 ];
+ var y2 = curvePts[ 1 ];
+
+ var xMin = Math.min( x0, x2 );
+ var xMax = Math.max( x0, x2 );
+ var yMin = Math.min( y0, y2 );
+ var yMax = Math.max( y0, y2 );
+
+ if( xMin <= x && x <= xMax && yMin <= y && y <= yMax ){
+ var coeff = math.bezierPtsToQuadCoeff( x0, x1, x2 );
+ var roots = math.solveQuadratic( coeff[0], coeff[1], coeff[2], x );
+
+ var validRoots = roots.filter(function( r ){
+ return 0 <= r && r <= 1;
+ });
+
+ if( validRoots.length > 0 ){
+ return validRoots[ 0 ];
+ }
+ }
+ return null;
+ };
+
+ var curveRegions = Object.keys( barrelCurvePts );
+ for( var i = 0; i < curveRegions.length; i++ ){
+ var corner = curveRegions[ i ];
+ var cornerPts = barrelCurvePts[ corner ];
+ var t = getCurveT( x, y, cornerPts );
+
+ if( t == null ){ continue; }
+
+ var y0 = cornerPts[ 5 ];
+ var y1 = cornerPts[ 3 ];
+ var y2 = cornerPts[ 1 ];
+ var bezY = math.qbezierAt( y0, y1, y2, t );
+
+ if( cornerPts.isTop && bezY <= y ){
+ return true;
+ }
+ if( cornerPts.isBottom && y <= bezY ){
+ return true;
+ }
+ }
+ return false;
+ }
+ } );
+};
+
+BRp.generateBottomRoundrectangle = function(){
+ return ( this.nodeShapes['bottom-round-rectangle'] = this.nodeShapes['bottomroundrectangle'] = {
+ renderer: this,
+
+ name: 'bottom-round-rectangle',
+
+ points: math.generateUnitNgonPointsFitToSquare( 4, 0 ),
+
+ draw: function( context, centerX, centerY, width, height, cornerRadius ){
+ this.renderer.nodeShapeImpl( this.name, context, centerX, centerY, width, height, this.points, cornerRadius );
+ },
+
+ intersectLine: function( nodeX, nodeY, width, height, x, y, padding, cornerRadius ){
+ var topStartX = nodeX - ( width / 2 + padding );
+ var topStartY = nodeY - ( height / 2 + padding );
+ var topEndY = topStartY;
+ var topEndX = nodeX + ( width / 2 + padding );
+
+ var topIntersections = math.finiteLinesIntersect(
+ x, y, nodeX, nodeY, topStartX, topStartY, topEndX, topEndY, false );
+ if( topIntersections.length > 0 ){
+ return topIntersections;
+ }
+
+ return math.roundRectangleIntersectLine(
+ x, y,
+ nodeX,
+ nodeY,
+ width, height,
+ padding, cornerRadius )
+ ;
+ },
+
+ checkPoint: function(
+ x, y, padding, width, height, centerX, centerY, cornerRadius ){
+
+ cornerRadius = cornerRadius === 'auto' ? math.getRoundRectangleRadius( width, height ) : cornerRadius;
+ var diam = 2 * cornerRadius;
+
+ // Check hBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width, height - diam, [0, -1], padding ) ){
+ return true;
+ }
+
+ // Check vBox
+ if( math.pointInsidePolygon( x, y, this.points,
+ centerX, centerY, width - diam, height, [0, -1], padding ) ){
+ return true;
+ }
+
+ // check non-rounded top side
+ var outerWidth = ( ( width / 2 ) + 2 * padding );
+ var outerHeight = ( ( height / 2 ) + 2 * padding );
+ var points = [
+ centerX - outerWidth, centerY - outerHeight,
+ centerX - outerWidth, centerY,
+ centerX + outerWidth, centerY,
+ centerX + outerWidth, centerY - outerHeight
+ ];
+ if( math.pointInsidePolygonPoints( x, y, points) ){
+ return true;
+ }
+
+ // Check bottom right quarter circle
+ if( math.checkInEllipse( x, y,
+ diam, diam,
+ centerX + width / 2 - cornerRadius,
+ centerY + height / 2 - cornerRadius,
+ padding ) ){
+
+ return true;
+ }
+
+ // Check bottom left quarter circle
+ if( math.checkInEllipse( x, y,
+ diam, diam,
+ centerX - width / 2 + cornerRadius,
+ centerY + height / 2 - cornerRadius,
+ padding ) ){
+
+ return true;
+ }
+
+ return false;
+ }
+ } );
+};
+
+
+BRp.registerNodeShapes = function(){
+ var nodeShapes = this.nodeShapes = {};
+ var renderer = this;
+
+ this.generateEllipse();
+
+ this.generatePolygon( 'triangle', math.generateUnitNgonPointsFitToSquare( 3, 0 ) );
+ this.generateRoundPolygon( 'round-triangle', math.generateUnitNgonPointsFitToSquare( 3, 0 ) );
+
+ this.generatePolygon( 'rectangle', math.generateUnitNgonPointsFitToSquare( 4, 0 ) );
+ nodeShapes[ 'square' ] = nodeShapes[ 'rectangle' ];
+
+ this.generateRoundRectangle();
+
+ this.generateCutRectangle();
+
+ this.generateBarrel();
+
+ this.generateBottomRoundrectangle();
+
+ {
+ const diamondPoints = [
+ 0, 1,
+ 1, 0,
+ 0, -1,
+ -1, 0
+ ];
+ this.generatePolygon( 'diamond', diamondPoints );
+ this.generateRoundPolygon( 'round-diamond', diamondPoints );
+ }
+
+ this.generatePolygon( 'pentagon', math.generateUnitNgonPointsFitToSquare( 5, 0 ) );
+ this.generateRoundPolygon( 'round-pentagon', math.generateUnitNgonPointsFitToSquare( 5, 0) );
+
+ this.generatePolygon( 'hexagon', math.generateUnitNgonPointsFitToSquare( 6, 0 ) );
+ this.generateRoundPolygon( 'round-hexagon', math.generateUnitNgonPointsFitToSquare( 6, 0) );
+
+ this.generatePolygon( 'heptagon', math.generateUnitNgonPointsFitToSquare( 7, 0 ) );
+ this.generateRoundPolygon( 'round-heptagon', math.generateUnitNgonPointsFitToSquare( 7, 0) );
+
+ this.generatePolygon( 'octagon', math.generateUnitNgonPointsFitToSquare( 8, 0 ) );
+ this.generateRoundPolygon( 'round-octagon', math.generateUnitNgonPointsFitToSquare( 8, 0) );
+
+ var star5Points = new Array( 20 );
+ {
+ var outerPoints = math.generateUnitNgonPoints( 5, 0 );
+ var innerPoints = math.generateUnitNgonPoints( 5, Math.PI / 5 );
+
+ // Outer radius is 1; inner radius of star is smaller
+ var innerRadius = 0.5 * (3 - Math.sqrt( 5 ));
+ innerRadius *= 1.57;
+
+ for( var i = 0;i < innerPoints.length / 2;i++ ){
+ innerPoints[ i * 2] *= innerRadius;
+ innerPoints[ i * 2 + 1] *= innerRadius;
+ }
+
+ for( var i = 0;i < 20 / 4;i++ ){
+ star5Points[ i * 4] = outerPoints[ i * 2];
+ star5Points[ i * 4 + 1] = outerPoints[ i * 2 + 1];
+
+ star5Points[ i * 4 + 2] = innerPoints[ i * 2];
+ star5Points[ i * 4 + 3] = innerPoints[ i * 2 + 1];
+ }
+ }
+
+ star5Points = math.fitPolygonToSquare( star5Points );
+
+ this.generatePolygon( 'star', star5Points );
+
+ this.generatePolygon( 'vee', [
+ -1, -1,
+ 0, -0.333,
+ 1, -1,
+ 0, 1
+ ] );
+
+ this.generatePolygon( 'rhomboid', [
+ -1, -1,
+ 0.333, -1,
+ 1, 1,
+ -0.333, 1
+ ] );
+
+ this.generatePolygon( 'right-rhomboid', [
+ -0.333, -1,
+ 1, -1,
+ 0.333, 1,
+ -1, 1
+ ] );
+
+ this.nodeShapes['concavehexagon'] = this.generatePolygon( 'concave-hexagon', [
+ -1, -0.95,
+ -0.75, 0,
+ -1, 0.95,
+ 1, 0.95,
+ 0.75, 0,
+ 1, -0.95
+ ] );
+
+ {
+ const tagPoints = [
+ -1, -1,
+ 0.25, -1,
+ 1, 0,
+ 0.25,1,
+ -1, 1
+ ];
+ this.generatePolygon( 'tag', tagPoints );
+ this.generateRoundPolygon( 'round-tag', tagPoints );
+ }
+
+ nodeShapes.makePolygon = function( points ){
+
+ // use caching on user-specified polygons so they are as fast as native shapes
+
+ var key = points.join( '$' );
+ var name = 'polygon-' + key;
+ var shape;
+
+ if( (shape = this[ name ]) ){ // got cached shape
+ return shape;
+ }
+
+ // create and cache new shape
+ return renderer.generatePolygon( name, points );
+ };
+
+};
+
+export default BRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/redraw.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/redraw.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..ea93af5fbc30c262727ffa6123a9e26ba6c4fc36
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/base/redraw.mjs
@@ -0,0 +1,108 @@
+import * as util from '../../../util/index.mjs';
+
+var BRp = {};
+
+BRp.timeToRender = function(){
+ return this.redrawTotalTime / this.redrawCount;
+};
+
+BRp.redraw = function( options ){
+ options = options || util.staticEmptyObject();
+
+ var r = this;
+
+ if( r.averageRedrawTime === undefined ){ r.averageRedrawTime = 0; }
+ if( r.lastRedrawTime === undefined ){ r.lastRedrawTime = 0; }
+ if( r.lastDrawTime === undefined ){ r.lastDrawTime = 0; }
+
+ r.requestedFrame = true;
+ r.renderOptions = options;
+};
+
+BRp.beforeRender = function( fn, priority ){
+ // the renderer can't add tick callbacks when destroyed
+ if( this.destroyed ){ return; }
+
+ if( priority == null ){
+ util.error('Priority is not optional for beforeRender');
+ }
+
+ var cbs = this.beforeRenderCallbacks;
+
+ cbs.push({ fn: fn, priority: priority });
+
+ // higher priority callbacks executed first
+ cbs.sort(function( a, b ){ return b.priority - a.priority; });
+};
+
+var beforeRenderCallbacks = function( r, willDraw, startTime ){
+ var cbs = r.beforeRenderCallbacks;
+
+ for( var i = 0; i < cbs.length; i++ ){
+ cbs[i].fn( willDraw, startTime );
+ }
+};
+
+BRp.startRenderLoop = function(){
+ var r = this;
+ var cy = r.cy;
+
+ if( r.renderLoopStarted ){
+ return;
+ } else {
+ r.renderLoopStarted = true;
+ }
+
+ var renderFn = function( requestTime ){
+ if( r.destroyed ){ return; }
+
+ if( cy.batching() ){
+ // mid-batch, none of these should run
+ // - pre frame hooks (calculations, texture caches, style, etc.)
+ // - any drawing
+ } else if( r.requestedFrame && !r.skipFrame ){
+ beforeRenderCallbacks( r, true, requestTime );
+
+ var startTime = util.performanceNow();
+
+ r.render( r.renderOptions );
+
+ var endTime = r.lastDrawTime = util.performanceNow();
+
+ if( r.averageRedrawTime === undefined ){
+ r.averageRedrawTime = endTime - startTime;
+ }
+
+ if( r.redrawCount === undefined ){
+ r.redrawCount = 0;
+ }
+
+ r.redrawCount++;
+
+ if( r.redrawTotalTime === undefined ){
+ r.redrawTotalTime = 0;
+ }
+
+ var duration = endTime - startTime;
+
+ r.redrawTotalTime += duration;
+ r.lastRedrawTime = duration;
+
+ // use a weighted average with a bias from the previous average so we don't spike so easily
+ r.averageRedrawTime = r.averageRedrawTime / 2 + duration / 2;
+
+ r.requestedFrame = false;
+ } else {
+ beforeRenderCallbacks( r, false, requestTime );
+ }
+
+ r.skipFrame = false;
+
+ util.requestAnimationFrame( renderFn );
+ };
+
+ util.requestAnimationFrame( renderFn );
+
+};
+
+export default BRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/arrow-shapes.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/arrow-shapes.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..6028542e3408887d7cd135808ff0d8f594007c70
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/arrow-shapes.mjs
@@ -0,0 +1,87 @@
+var CRp = {};
+
+var impl;
+
+function polygon( context, points ){
+ for( var i = 0; i < points.length; i++ ){
+ var pt = points[ i ];
+
+ context.lineTo( pt.x, pt.y );
+ }
+}
+
+function triangleBackcurve( context, points, controlPoint ){
+ var firstPt;
+
+ for( var i = 0; i < points.length; i++ ){
+ var pt = points[ i ];
+
+ if( i === 0 ){
+ firstPt = pt;
+ }
+
+ context.lineTo( pt.x, pt.y );
+ }
+
+ context.quadraticCurveTo( controlPoint.x, controlPoint.y, firstPt.x, firstPt.y );
+}
+
+function triangleTee( context, trianglePoints, teePoints ){
+ if( context.beginPath ){ context.beginPath(); }
+
+ var triPts = trianglePoints;
+ for( var i = 0; i < triPts.length; i++ ){
+ var pt = triPts[ i ];
+
+ context.lineTo( pt.x, pt.y );
+ }
+
+ var teePts = teePoints;
+ var firstTeePt = teePoints[0];
+ context.moveTo( firstTeePt.x, firstTeePt.y );
+
+ for( var i = 1; i < teePts.length; i++ ){
+ var pt = teePts[ i ];
+
+ context.lineTo( pt.x, pt.y );
+ }
+
+ if( context.closePath ){ context.closePath(); }
+}
+
+function circleTriangle(context, trianglePoints, rx, ry, r) {
+ if (context.beginPath) { context.beginPath(); }
+ context.arc(rx, ry, r, 0, Math.PI * 2, false);
+ var triPts = trianglePoints;
+ var firstTrPt = triPts[0];
+ context.moveTo(firstTrPt.x, firstTrPt.y);
+ for (var i = 0; i < triPts.length; i++) {
+ var pt = triPts[i];
+ context.lineTo(pt.x, pt.y);
+ }
+ if (context.closePath) {
+ context.closePath();
+ }
+}
+
+function circle( context, rx, ry, r ){
+ context.arc( rx, ry, r, 0, Math.PI * 2, false );
+}
+
+CRp.arrowShapeImpl = function( name ){
+ return ( impl || (impl = {
+ 'polygon': polygon,
+
+ 'triangle-backcurve': triangleBackcurve,
+
+ 'triangle-tee': triangleTee,
+
+ 'circle-triangle' : circleTriangle,
+
+ 'triangle-cross': triangleTee,
+
+ 'circle': circle
+ }) )[ name ];
+};
+
+export default CRp;
\ No newline at end of file
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-edges.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-edges.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..fc71ef5d59833424041981c322aa0aa89671899b
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-edges.mjs
@@ -0,0 +1,431 @@
+/* global Path2D */
+
+import * as util from '../../../util/index.mjs';
+import {drawPreparedRoundCorner} from "../../../round.mjs";
+
+let CRp = {};
+
+CRp.drawEdge = function( context, edge, shiftToOriginWithBb, drawLabel = true, shouldDrawOverlay = true, shouldDrawOpacity = true ){
+ let r = this;
+ let rs = edge._private.rscratch;
+
+ if( shouldDrawOpacity && !edge.visible() ){ return; }
+
+ // if bezier ctrl pts can not be calculated, then die
+ if( rs.badLine || rs.allpts == null || isNaN(rs.allpts[0]) ){ // isNaN in case edge is impossible and browser bugs (e.g. safari)
+ return;
+ }
+
+ let bb;
+ if( shiftToOriginWithBb ){
+ bb = shiftToOriginWithBb;
+
+ context.translate( -bb.x1, -bb.y1 );
+ }
+
+ let opacity = shouldDrawOpacity ? edge.pstyle('opacity').value : 1;
+ let lineOpacity = shouldDrawOpacity ? edge.pstyle('line-opacity').value : 1;
+
+ let curveStyle = edge.pstyle('curve-style').value;
+ let lineStyle = edge.pstyle('line-style').value;
+ let edgeWidth = edge.pstyle('width').pfValue;
+ let lineCap = edge.pstyle('line-cap').value;
+ let lineOutlineWidth = edge.pstyle('line-outline-width').value;
+ let lineOutlineColor = edge.pstyle('line-outline-color').value;
+
+ let effectiveLineOpacity = opacity * lineOpacity;
+ // separate arrow opacity would require arrow-opacity property
+ let effectiveArrowOpacity = opacity * lineOpacity;
+
+ let drawLine = ( strokeOpacity = effectiveLineOpacity) => {
+ if (curveStyle === 'straight-triangle') {
+ r.eleStrokeStyle( context, edge, strokeOpacity );
+ r.drawEdgeTrianglePath(
+ edge,
+ context,
+ rs.allpts
+ );
+ } else {
+ context.lineWidth = edgeWidth;
+ context.lineCap = lineCap;
+
+ r.eleStrokeStyle( context, edge, strokeOpacity );
+ r.drawEdgePath(
+ edge,
+ context,
+ rs.allpts,
+ lineStyle
+ );
+
+ context.lineCap = 'butt'; // reset for other drawing functions
+ }
+ };
+
+ let drawLineOutline = ( strokeOpacity = effectiveLineOpacity) => {
+ context.lineWidth = edgeWidth + lineOutlineWidth;
+ context.lineCap = lineCap;
+
+ if (lineOutlineWidth > 0) {
+ r.colorStrokeStyle( context, lineOutlineColor[0], lineOutlineColor[1], lineOutlineColor[2], strokeOpacity );
+ } else {
+ // do not draw any lineOutline
+ context.lineCap = 'butt'; // reset for other drawing functions
+ return;
+ }
+
+ if (curveStyle === 'straight-triangle') {
+ r.drawEdgeTrianglePath(
+ edge,
+ context,
+ rs.allpts
+ );
+ } else {
+ r.drawEdgePath(
+ edge,
+ context,
+ rs.allpts,
+ lineStyle
+ );
+
+ context.lineCap = 'butt'; // reset for other drawing functions
+ }
+ };
+
+ let drawOverlay = () => {
+ if( !shouldDrawOverlay ){ return; }
+
+ r.drawEdgeOverlay( context, edge );
+ };
+
+ let drawUnderlay = () => {
+ if( !shouldDrawOverlay ){ return; }
+
+ r.drawEdgeUnderlay( context, edge );
+ };
+
+ let drawArrows = ( arrowOpacity = effectiveArrowOpacity) => {
+ r.drawArrowheads( context, edge, arrowOpacity );
+ };
+
+ let drawText = () => {
+ r.drawElementText( context, edge, null, drawLabel );
+ };
+
+ context.lineJoin = 'round';
+
+ let ghost = edge.pstyle('ghost').value === 'yes';
+
+ if( ghost ){
+ let gx = edge.pstyle('ghost-offset-x').pfValue;
+ let gy = edge.pstyle('ghost-offset-y').pfValue;
+ let ghostOpacity = edge.pstyle('ghost-opacity').value;
+ let effectiveGhostOpacity = effectiveLineOpacity * ghostOpacity;
+
+ context.translate( gx, gy );
+
+ drawLine( effectiveGhostOpacity );
+ drawArrows( effectiveGhostOpacity );
+
+ context.translate( -gx, -gy );
+ } else {
+ drawLineOutline();
+ }
+
+ drawUnderlay();
+ drawLine();
+ drawArrows();
+ drawOverlay();
+ drawText();
+
+ if( shiftToOriginWithBb ){
+ context.translate( bb.x1, bb.y1 );
+ }
+};
+
+const drawEdgeOverlayUnderlay = function( overlayOrUnderlay ) {
+ if (!['overlay', 'underlay'].includes(overlayOrUnderlay)) {
+ throw new Error('Invalid state');
+ }
+
+ return function( context, edge ){
+ if( !edge.visible() ){ return; }
+
+ let opacity = edge.pstyle(`${overlayOrUnderlay}-opacity`).value;
+
+ if( opacity === 0 ){ return; }
+
+ let r = this;
+ let usePaths = r.usePaths();
+ let rs = edge._private.rscratch;
+
+ let padding = edge.pstyle(`${overlayOrUnderlay}-padding`).pfValue;
+ let width = 2 * padding;
+ let color = edge.pstyle(`${overlayOrUnderlay}-color`).value;
+
+ context.lineWidth = width;
+
+ if( rs.edgeType === 'self' && !usePaths ){
+ context.lineCap = 'butt';
+ } else {
+ context.lineCap = 'round';
+ }
+
+ r.colorStrokeStyle( context, color[0], color[1], color[2], opacity );
+
+ r.drawEdgePath(
+ edge,
+ context,
+ rs.allpts,
+ 'solid'
+ );
+ };
+};
+
+CRp.drawEdgeOverlay = drawEdgeOverlayUnderlay('overlay');
+
+CRp.drawEdgeUnderlay = drawEdgeOverlayUnderlay('underlay');
+
+
+CRp.drawEdgePath = function( edge, context, pts, type ){
+ let rs = edge._private.rscratch;
+ let canvasCxt = context;
+ let path;
+ let pathCacheHit = false;
+ let usePaths = this.usePaths();
+ let lineDashPattern = edge.pstyle('line-dash-pattern').pfValue;
+ let lineDashOffset = edge.pstyle('line-dash-offset').pfValue;
+
+ if( usePaths ){
+ let pathCacheKey = pts.join( '$' );
+ let keyMatches = rs.pathCacheKey && rs.pathCacheKey === pathCacheKey;
+
+ if( keyMatches ){
+ path = context = rs.pathCache;
+ pathCacheHit = true;
+ } else {
+ path = context = new Path2D();
+ rs.pathCacheKey = pathCacheKey;
+ rs.pathCache = path;
+ }
+ }
+
+ if( canvasCxt.setLineDash ){ // for very outofdate browsers
+ switch( type ){
+ case 'dotted':
+ canvasCxt.setLineDash( [ 1, 1 ] );
+ break;
+
+ case 'dashed':
+ canvasCxt.setLineDash( lineDashPattern );
+ canvasCxt.lineDashOffset = lineDashOffset;
+ break;
+
+ case 'solid':
+ canvasCxt.setLineDash( [ ] );
+ break;
+ }
+ }
+
+ if( !pathCacheHit && !rs.badLine ){
+ if( context.beginPath ){ context.beginPath(); }
+ context.moveTo( pts[0], pts[1] );
+
+ switch( rs.edgeType ){
+ case 'bezier':
+ case 'self':
+ case 'compound':
+ case 'multibezier':
+ for( let i = 2; i + 3 < pts.length; i += 4 ){
+ context.quadraticCurveTo( pts[ i ], pts[ i + 1], pts[ i + 2], pts[ i + 3] );
+ }
+ break;
+
+ case 'straight':
+ case 'haystack':
+ for( let i = 2; i + 1 < pts.length; i += 2 ) {
+ context.lineTo( pts[ i ], pts[ i + 1] );
+ }
+ break;
+ case 'segments':
+ if (rs.isRound) {
+ for( let corner of rs.roundCorners ){
+ drawPreparedRoundCorner(context, corner);
+ }
+ context.lineTo( pts[ pts.length - 2 ], pts[ pts.length - 1] );
+ } else {
+ for( let i = 2; i + 1 < pts.length; i += 2 ) {
+ context.lineTo( pts[ i ], pts[ i + 1] );
+ }
+ }
+ break;
+ }
+ }
+
+ context = canvasCxt;
+ if( usePaths ){
+ context.stroke( path );
+ } else {
+ context.stroke();
+ }
+
+ // reset any line dashes
+ if( context.setLineDash ){ // for very outofdate browsers
+ context.setLineDash( [ ] );
+ }
+
+};
+
+
+CRp.drawEdgeTrianglePath = function( edge, context, pts ){
+ // use line stroke style for triangle fill style
+ context.fillStyle = context.strokeStyle;
+
+ let edgeWidth = edge.pstyle('width').pfValue;
+
+ for( let i = 0; i + 1 < pts.length; i += 2 ){
+ const vector = [ pts[ i + 2 ] - pts[ i ], pts[ i + 3 ] - pts[ i + 1 ] ];
+ const length = Math.sqrt( vector[0] * vector[0] + vector[1] * vector[1] );
+ const normal = [ vector[1] / length, -vector[0] / length ];
+ const triangleHead = [ normal[0] * edgeWidth / 2, normal[1] * edgeWidth / 2 ];
+
+ context.beginPath();
+ context.moveTo( pts[ i ] - triangleHead[0], pts[ i + 1 ] - triangleHead[1] );
+ context.lineTo( pts[ i ] + triangleHead[0], pts[ i + 1 ] + triangleHead[1] );
+ context.lineTo( pts[ i + 2 ], pts[ i + 3 ] );
+ context.closePath();
+ context.fill();
+ }
+};
+
+CRp.drawArrowheads = function( context, edge, opacity ){
+ let rs = edge._private.rscratch;
+ let isHaystack = rs.edgeType === 'haystack';
+
+ if( !isHaystack ){
+ this.drawArrowhead( context, edge, 'source', rs.arrowStartX, rs.arrowStartY, rs.srcArrowAngle, opacity );
+ }
+
+ this.drawArrowhead( context, edge, 'mid-target', rs.midX, rs.midY, rs.midtgtArrowAngle, opacity );
+
+ this.drawArrowhead( context, edge, 'mid-source', rs.midX, rs.midY, rs.midsrcArrowAngle, opacity );
+
+ if( !isHaystack ){
+ this.drawArrowhead( context, edge, 'target', rs.arrowEndX, rs.arrowEndY, rs.tgtArrowAngle, opacity );
+ }
+};
+
+CRp.drawArrowhead = function( context, edge, prefix, x, y, angle, opacity ){
+ if( isNaN( x ) || x == null || isNaN( y ) || y == null || isNaN( angle ) || angle == null ){ return; }
+
+ let self = this;
+ let arrowShape = edge.pstyle( prefix + '-arrow-shape' ).value;
+ if( arrowShape === 'none' ) { return; }
+
+ let arrowClearFill = edge.pstyle( prefix + '-arrow-fill' ).value === 'hollow' ? 'both' : 'filled';
+ let arrowFill = edge.pstyle( prefix + '-arrow-fill' ).value;
+ let edgeWidth = edge.pstyle( 'width' ).pfValue;
+
+ let pArrowWidth = edge.pstyle( prefix + '-arrow-width' );
+ let arrowWidth = pArrowWidth.value === 'match-line' ? edgeWidth : pArrowWidth.pfValue;
+ if (pArrowWidth.units === '%') arrowWidth *= edgeWidth;
+
+ let edgeOpacity = edge.pstyle( 'opacity' ).value;
+
+ if( opacity === undefined ){
+ opacity = edgeOpacity;
+ }
+
+ let gco = context.globalCompositeOperation;
+
+ if( opacity !== 1 || arrowFill === 'hollow' ){ // then extra clear is needed
+ context.globalCompositeOperation = 'destination-out';
+
+ self.colorFillStyle( context, 255, 255, 255, 1 );
+ self.colorStrokeStyle( context, 255, 255, 255, 1 );
+
+ self.drawArrowShape( edge, context,
+ arrowClearFill, edgeWidth, arrowShape, arrowWidth, x, y, angle
+ );
+
+ context.globalCompositeOperation = gco;
+ } // otherwise, the opaque arrow clears it for free :)
+
+ let color = edge.pstyle( prefix + '-arrow-color' ).value;
+ self.colorFillStyle( context, color[0], color[1], color[2], opacity );
+ self.colorStrokeStyle( context, color[0], color[1], color[2], opacity );
+
+ self.drawArrowShape( edge, context,
+ arrowFill, edgeWidth, arrowShape, arrowWidth, x, y, angle
+ );
+};
+
+CRp.drawArrowShape = function( edge, context, fill, edgeWidth, shape, shapeWidth, x, y, angle ){
+ let r = this;
+ let usePaths = this.usePaths() && shape !== 'triangle-cross';
+ let pathCacheHit = false;
+ let path;
+ let canvasContext = context;
+ let translation = { x, y };
+ let scale = edge.pstyle( 'arrow-scale' ).value;
+ let size = this.getArrowWidth( edgeWidth, scale );
+ let shapeImpl = r.arrowShapes[ shape ];
+
+ if( usePaths ){
+ let cache = r.arrowPathCache = r.arrowPathCache || [];
+ let key = util.hashString(shape);
+ let cachedPath = cache[ key ];
+
+ if( cachedPath != null ){
+ path = context = cachedPath;
+ pathCacheHit = true;
+ } else {
+ path = context = new Path2D();
+ cache[ key ] = path;
+ }
+ }
+
+ if( !pathCacheHit ){
+ if( context.beginPath ){ context.beginPath(); }
+ if( usePaths ){ // store in the path cache with values easily manipulated later
+ shapeImpl.draw( context, 1, 0, { x: 0, y: 0 }, 1 );
+ } else {
+ shapeImpl.draw( context, size, angle, translation, edgeWidth );
+ }
+ if( context.closePath ){ context.closePath(); }
+ }
+
+ context = canvasContext;
+
+ if( usePaths ){ // set transform to arrow position/orientation
+ context.translate( x, y );
+ context.rotate( angle );
+ context.scale( size, size );
+ }
+
+ if( fill === 'filled' || fill === 'both' ){
+ if( usePaths ){
+ context.fill( path );
+ } else {
+ context.fill();
+ }
+ }
+
+ if( fill === 'hollow' || fill === 'both' ){
+ context.lineWidth = shapeWidth / (usePaths ? size : 1);
+ context.lineJoin = 'miter';
+
+ if( usePaths ){
+ context.stroke( path );
+ } else {
+ context.stroke();
+ }
+ }
+
+ if( usePaths ){ // reset transform by applying inverse
+ context.scale( 1/size, 1/size );
+ context.rotate( -angle );
+ context.translate( -x, -y );
+ }
+};
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-elements.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-elements.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..9ee4ef8f6235593253177ba6037b1e5a816606da
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-elements.mjs
@@ -0,0 +1,218 @@
+import * as math from '../../../math.mjs';
+
+let CRp = {};
+
+CRp.drawElement = function( context, ele, shiftToOriginWithBb, showLabel, showOverlay, showOpacity ){
+ let r = this;
+
+ if( ele.isNode() ){
+ r.drawNode( context, ele, shiftToOriginWithBb, showLabel, showOverlay, showOpacity );
+ } else {
+ r.drawEdge( context, ele, shiftToOriginWithBb, showLabel, showOverlay, showOpacity );
+ }
+};
+
+CRp.drawElementOverlay = function( context, ele ){
+ let r = this;
+
+ if( ele.isNode() ){
+ r.drawNodeOverlay( context, ele );
+ } else {
+ r.drawEdgeOverlay( context, ele );
+ }
+};
+
+CRp.drawElementUnderlay = function( context, ele ){
+ let r = this;
+
+ if( ele.isNode() ){
+ r.drawNodeUnderlay( context, ele );
+ } else {
+ r.drawEdgeUnderlay( context, ele );
+ }
+};
+
+CRp.drawCachedElementPortion = function( context, ele, eleTxrCache, pxRatio, lvl, reason, getRotation, getOpacity ){
+ let r = this;
+ let bb = eleTxrCache.getBoundingBox(ele);
+
+ if( bb.w === 0 || bb.h === 0 ){ return; } // ignore zero size case
+
+ let eleCache = eleTxrCache.getElement( ele, bb, pxRatio, lvl, reason );
+
+ if( eleCache != null ){
+ let opacity = getOpacity(r, ele);
+
+ if( opacity === 0 ){ return; }
+
+ let theta = getRotation(r, ele);
+ let { x1, y1, w, h } = bb;
+ let x, y, sx, sy, smooth;
+
+ if( theta !== 0 ){
+ let rotPt = eleTxrCache.getRotationPoint(ele);
+
+ sx = rotPt.x;
+ sy = rotPt.y;
+
+ context.translate(sx, sy);
+ context.rotate(theta);
+
+ smooth = r.getImgSmoothing(context);
+
+ if( !smooth ){ r.setImgSmoothing(context, true); }
+
+ let off = eleTxrCache.getRotationOffset(ele);
+
+ x = off.x;
+ y = off.y;
+ } else {
+ x = x1;
+ y = y1;
+ }
+
+ let oldGlobalAlpha;
+
+ if( opacity !== 1 ){
+ oldGlobalAlpha = context.globalAlpha;
+ context.globalAlpha = oldGlobalAlpha * opacity;
+ }
+
+ context.drawImage( eleCache.texture.canvas, eleCache.x, 0, eleCache.width, eleCache.height, x, y, w, h );
+
+ if( opacity !== 1 ){
+ context.globalAlpha = oldGlobalAlpha;
+ }
+
+ if( theta !== 0 ){
+ context.rotate(-theta);
+ context.translate(-sx, -sy);
+
+ if( !smooth ){ r.setImgSmoothing(context, false); }
+ }
+ } else {
+ eleTxrCache.drawElement( context, ele ); // direct draw fallback
+ }
+};
+
+const getZeroRotation = () => 0;
+const getLabelRotation = (r, ele) => r.getTextAngle(ele, null);
+const getSourceLabelRotation = (r, ele) => r.getTextAngle(ele, 'source');
+const getTargetLabelRotation = (r, ele) => r.getTextAngle(ele, 'target');
+const getOpacity = (r, ele) => ele.effectiveOpacity();
+const getTextOpacity = (e, ele) => ele.pstyle('text-opacity').pfValue * ele.effectiveOpacity();
+
+CRp.drawCachedElement = function( context, ele, pxRatio, extent, lvl, requestHighQuality ){
+ let r = this;
+ let { eleTxrCache, lblTxrCache, slbTxrCache, tlbTxrCache } = r.data;
+
+ let bb = ele.boundingBox();
+ let reason = requestHighQuality === true ? eleTxrCache.reasons.highQuality : null;
+
+ if( bb.w === 0 || bb.h === 0 || !ele.visible() ){ return; }
+
+ if( !extent || math.boundingBoxesIntersect( bb, extent ) ){
+ let isEdge = ele.isEdge();
+ let badLine = ele.element()._private.rscratch.badLine;
+
+ r.drawElementUnderlay( context, ele );
+
+ r.drawCachedElementPortion( context, ele, eleTxrCache, pxRatio, lvl, reason, getZeroRotation, getOpacity );
+
+ if( !isEdge || !badLine ){
+ r.drawCachedElementPortion( context, ele, lblTxrCache, pxRatio, lvl, reason, getLabelRotation, getTextOpacity );
+ }
+
+ if( isEdge && !badLine ){
+ r.drawCachedElementPortion( context, ele, slbTxrCache, pxRatio, lvl, reason, getSourceLabelRotation, getTextOpacity );
+ r.drawCachedElementPortion( context, ele, tlbTxrCache, pxRatio, lvl, reason, getTargetLabelRotation, getTextOpacity );
+ }
+
+ r.drawElementOverlay( context, ele );
+ }
+};
+
+CRp.drawElements = function( context, eles ){
+ let r = this;
+
+ for( let i = 0; i < eles.length; i++ ){
+ let ele = eles[ i ];
+
+ r.drawElement( context, ele );
+ }
+};
+
+CRp.drawCachedElements = function( context, eles, pxRatio, extent ){
+ let r = this;
+
+ for( let i = 0; i < eles.length; i++ ){
+ let ele = eles[ i ];
+
+ r.drawCachedElement( context, ele, pxRatio, extent );
+ }
+};
+
+CRp.drawCachedNodes = function( context, eles, pxRatio, extent ){
+ let r = this;
+
+ for( let i = 0; i < eles.length; i++ ){
+ let ele = eles[ i ];
+
+ if( !ele.isNode() ){ continue; }
+
+ r.drawCachedElement( context, ele, pxRatio, extent );
+ }
+};
+
+CRp.drawLayeredElements = function( context, eles, pxRatio, extent ){
+ let r = this;
+
+ let layers = r.data.lyrTxrCache.getLayers( eles, pxRatio );
+
+ if( layers ){
+ for( let i = 0; i < layers.length; i++ ){
+ let layer = layers[i];
+ let bb = layer.bb;
+
+ if( bb.w === 0 || bb.h === 0 ){ continue; }
+
+ context.drawImage( layer.canvas, bb.x1, bb.y1, bb.w, bb.h );
+ }
+ } else { // fall back on plain caching if no layers
+ r.drawCachedElements( context, eles, pxRatio, extent );
+ }
+};
+
+if( process.env.NODE_ENV !== 'production' ){
+ CRp.drawDebugPoints = function( context, eles ){
+ let draw = function( x, y, color ){
+ context.fillStyle = color;
+ context.fillRect( x - 1, y - 1, 3, 3 );
+ };
+
+ for( let i = 0; i < eles.length; i++ ){
+ let ele = eles[i];
+ let rs = ele._private.rscratch;
+
+ if( ele.isNode() ){
+ let p = ele.position();
+
+ draw( rs.labelX, rs.labelY, 'red' );
+ draw( p.x, p.y, 'magenta' );
+ } else {
+ let pts = rs.allpts;
+
+ for( let j = 0; j + 1 < pts.length; j += 2 ){
+ let x = pts[ j ];
+ let y = pts[ j + 1 ];
+
+ draw( x, y, 'cyan' );
+ }
+
+ draw( rs.midX, rs.midY, 'yellow' );
+ }
+ }
+ };
+}
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-images.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-images.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..ee4bdbcc4c385d8b06e9dff4b3600791355fe270
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-images.mjs
@@ -0,0 +1,188 @@
+import * as util from '../../../util/index.mjs';
+
+var CRp = {};
+
+CRp.safeDrawImage = function( context, img, ix, iy, iw, ih, x, y, w, h ){
+ // detect problematic cases for old browsers with bad images (cheaper than try-catch)
+ if( iw <= 0 || ih <= 0 || w <= 0 || h <= 0 ){
+ return;
+ }
+
+ try {
+ context.drawImage( img, ix, iy, iw, ih, x, y, w, h );
+ } catch (e) {
+ util.warn(e);
+ }
+};
+
+CRp.drawInscribedImage = function( context, img, node, index, nodeOpacity ){
+ var r = this;
+ var pos = node.position();
+ var nodeX = pos.x;
+ var nodeY = pos.y;
+ var styleObj = node.cy().style();
+ var getIndexedStyle = styleObj.getIndexedStyle.bind( styleObj );
+ var fit = getIndexedStyle( node, 'background-fit', 'value', index );
+ var repeat = getIndexedStyle( node, 'background-repeat', 'value', index );
+ var nodeW = node.width();
+ var nodeH = node.height();
+ var paddingX2 = node.padding() * 2;
+ var nodeTW = nodeW + ( getIndexedStyle( node, 'background-width-relative-to', 'value', index ) === 'inner' ? 0 : paddingX2 );
+ var nodeTH = nodeH + ( getIndexedStyle( node, 'background-height-relative-to', 'value', index ) === 'inner' ? 0 : paddingX2 );
+ var rs = node._private.rscratch;
+ var clip = getIndexedStyle( node, 'background-clip', 'value', index );
+ var shouldClip = clip === 'node';
+ var imgOpacity = getIndexedStyle( node, 'background-image-opacity', 'value', index ) * nodeOpacity;
+ var smooth = getIndexedStyle( node, 'background-image-smoothing', 'value', index );
+ var cornerRadius = node.pstyle('corner-radius').value;
+ if (cornerRadius !== 'auto') cornerRadius = node.pstyle('corner-radius').pfValue;
+
+ var imgW = img.width || img.cachedW;
+ var imgH = img.height || img.cachedH;
+
+ // workaround for broken browsers like ie
+ if( null == imgW || null == imgH ){
+ document.body.appendChild( img ); // eslint-disable-line no-undef
+
+ imgW = img.cachedW = img.width || img.offsetWidth;
+ imgH = img.cachedH = img.height || img.offsetHeight;
+
+ document.body.removeChild( img ); // eslint-disable-line no-undef
+ }
+
+ var w = imgW;
+ var h = imgH;
+
+ if( getIndexedStyle( node, 'background-width', 'value', index ) !== 'auto' ){
+ if( getIndexedStyle( node, 'background-width', 'units', index ) === '%' ){
+ w = getIndexedStyle( node, 'background-width', 'pfValue', index ) * nodeTW;
+ } else {
+ w = getIndexedStyle( node, 'background-width', 'pfValue', index );
+ }
+ }
+
+ if( getIndexedStyle( node, 'background-height', 'value', index ) !== 'auto' ){
+ if( getIndexedStyle( node, 'background-height', 'units', index ) === '%' ){
+ h = getIndexedStyle( node, 'background-height', 'pfValue', index ) * nodeTH;
+ } else {
+ h = getIndexedStyle( node, 'background-height', 'pfValue', index );
+ }
+ }
+
+ if( w === 0 || h === 0 ){
+ return; // no point in drawing empty image (and chrome is broken in this case)
+ }
+
+ if( fit === 'contain' ){
+ var scale = Math.min( nodeTW / w, nodeTH / h );
+
+ w *= scale;
+ h *= scale;
+
+ } else if( fit === 'cover' ){
+ var scale = Math.max( nodeTW / w, nodeTH / h );
+
+ w *= scale;
+ h *= scale;
+ }
+
+ var x = (nodeX - nodeTW / 2); // left
+ var posXUnits = getIndexedStyle( node, 'background-position-x', 'units', index );
+ var posXPfVal = getIndexedStyle( node, 'background-position-x', 'pfValue', index );
+ if( posXUnits === '%' ){
+ x += (nodeTW - w) * posXPfVal;
+ } else {
+ x += posXPfVal;
+ }
+
+ var offXUnits = getIndexedStyle( node, 'background-offset-x', 'units', index );
+ var offXPfVal = getIndexedStyle( node, 'background-offset-x', 'pfValue', index );
+ if( offXUnits === '%' ){
+ x += (nodeTW - w) * offXPfVal;
+ } else {
+ x += offXPfVal;
+ }
+
+ var y = (nodeY - nodeTH / 2); // top
+ var posYUnits = getIndexedStyle( node, 'background-position-y', 'units', index );
+ var posYPfVal = getIndexedStyle( node, 'background-position-y', 'pfValue', index );
+ if( posYUnits === '%' ){
+ y += (nodeTH - h) * posYPfVal;
+ } else {
+ y += posYPfVal;
+ }
+
+ var offYUnits = getIndexedStyle( node, 'background-offset-y', 'units', index );
+ var offYPfVal = getIndexedStyle( node, 'background-offset-y', 'pfValue', index );
+ if( offYUnits === '%' ){
+ y += (nodeTH - h) * offYPfVal;
+ } else {
+ y += offYPfVal;
+ }
+
+ if( rs.pathCache ){
+ x -= nodeX;
+ y -= nodeY;
+
+ nodeX = 0;
+ nodeY = 0;
+ }
+
+ var gAlpha = context.globalAlpha;
+
+ context.globalAlpha = imgOpacity;
+
+ var smoothingEnabled = r.getImgSmoothing( context );
+ var isSmoothingSwitched = false;
+
+ if( smooth === 'no' && smoothingEnabled ){
+ r.setImgSmoothing( context, false );
+ isSmoothingSwitched = true;
+ } else if( smooth === 'yes' && !smoothingEnabled ){
+ r.setImgSmoothing( context, true );
+ isSmoothingSwitched = true;
+ }
+
+ if( repeat === 'no-repeat' ){
+
+ if( shouldClip ){
+ context.save();
+
+ if( rs.pathCache ){
+ context.clip( rs.pathCache );
+ } else {
+ r.nodeShapes[ r.getNodeShape( node ) ].draw(
+ context,
+ nodeX, nodeY,
+ nodeTW, nodeTH,
+ cornerRadius, rs );
+
+ context.clip();
+ }
+ }
+
+ r.safeDrawImage( context, img, 0, 0, imgW, imgH, x, y, w, h );
+
+ if( shouldClip ){
+ context.restore();
+ }
+ } else {
+ var pattern = context.createPattern( img, repeat );
+ context.fillStyle = pattern;
+
+ r.nodeShapes[ r.getNodeShape( node ) ].draw(
+ context,
+ nodeX, nodeY,
+ nodeTW, nodeTH, cornerRadius, rs);
+
+ context.translate( x, y );
+ context.fill();
+ context.translate( -x, -y );
+ }
+
+ context.globalAlpha = gAlpha;
+
+ if( isSmoothingSwitched ){ r.setImgSmoothing( context, smoothingEnabled ); }
+};
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-label-text.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-label-text.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..68341945db8aa788d143db85c782105a5f298a6f
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-label-text.mjs
@@ -0,0 +1,409 @@
+import * as util from '../../../util/index.mjs';
+import * as math from '../../../math.mjs';
+import { labelHalign, labelValign } from '../../../style/align.mjs';
+
+let CRp = {};
+
+CRp.eleTextBiggerThanMin = function( ele, scale ){
+ if( !scale ){
+ let zoom = ele.cy().zoom();
+ let pxRatio = this.getPixelRatio();
+ let lvl = Math.ceil( math.log2( zoom * pxRatio ) ); // the effective texture level
+
+ scale = Math.pow( 2, lvl );
+ }
+
+ let computedSize = ele.pstyle( 'font-size' ).pfValue * scale;
+ let minSize = ele.pstyle( 'min-zoomed-font-size' ).pfValue;
+
+ if( computedSize < minSize ){
+ return false;
+ }
+
+ return true;
+};
+
+CRp.drawElementText = function( context, ele, shiftToOriginWithBb, force, prefix, useEleOpacity = true ){
+ let r = this;
+
+ if( force == null ){
+ if( useEleOpacity && !r.eleTextBiggerThanMin( ele ) ){ return; }
+ } else if( force === false ){
+ return;
+ }
+
+ if( ele.isNode() ){
+ let label = ele.pstyle( 'label' );
+
+ if( !label || !label.value ){ return; }
+
+ let justification = r.getLabelJustification(ele);
+ let isTextMetricsGlyph = ele.pstyle('text-metrics').strValue === 'glyph';
+
+ context.textAlign = justification;
+ context.textBaseline = isTextMetricsGlyph ? 'alphabetic' : 'bottom';
+ } else {
+ let badLine = ele.element()._private.rscratch.badLine;
+ let label = ele.pstyle( 'label' );
+ let srcLabel = ele.pstyle( 'source-label' );
+ let tgtLabel = ele.pstyle( 'target-label' );
+
+ if(
+ badLine || (
+ ( !label || !label.value )
+ && ( !srcLabel || !srcLabel.value )
+ && ( !tgtLabel || !tgtLabel.value )
+ )
+ ){
+ return;
+ }
+
+ context.textAlign = 'center';
+ context.textBaseline = 'bottom';
+ }
+
+ let applyRotation = !shiftToOriginWithBb;
+
+ let bb;
+ if( shiftToOriginWithBb ){
+ bb = shiftToOriginWithBb;
+
+ context.translate( -bb.x1, -bb.y1 );
+ }
+
+ if( prefix == null ){
+ r.drawText( context, ele, null, applyRotation, useEleOpacity );
+
+ if( ele.isEdge() ){
+ r.drawText( context, ele, 'source', applyRotation, useEleOpacity );
+
+ r.drawText( context, ele, 'target', applyRotation, useEleOpacity );
+ }
+ } else {
+ r.drawText( context, ele, prefix, applyRotation, useEleOpacity );
+ }
+
+ if( shiftToOriginWithBb ){
+ context.translate( bb.x1, bb.y1 );
+ }
+};
+
+CRp.getFontCache = function( context ){
+ let cache;
+
+ this.fontCaches = this.fontCaches || [];
+
+ for( let i = 0; i < this.fontCaches.length; i++ ){
+ cache = this.fontCaches[ i ];
+
+ if( cache.context === context ){
+ return cache;
+ }
+ }
+
+ cache = {
+ context: context
+ };
+ this.fontCaches.push( cache );
+
+ return cache;
+};
+
+// set up canvas context with font
+// returns transformed text string
+CRp.setupTextStyle = function( context, ele, useEleOpacity = true ){
+ // Font style
+ let labelStyle = ele.pstyle( 'font-style' ).strValue;
+ let labelSize = ele.pstyle( 'font-size' ).pfValue + 'px';
+ let labelFamily = ele.pstyle( 'font-family' ).strValue;
+ let labelWeight = ele.pstyle( 'font-weight' ).strValue;
+ let opacity = (useEleOpacity ? ele.effectiveOpacity() * ele.pstyle('text-opacity').value : 1);
+ let outlineOpacity = ele.pstyle( 'text-outline-opacity' ).value * opacity;
+ let color = ele.pstyle( 'color' ).value;
+ let outlineColor = ele.pstyle( 'text-outline-color' ).value;
+
+ context.font = labelStyle + ' ' + labelWeight + ' ' + labelSize + ' ' + labelFamily;
+
+ context.lineJoin = 'round'; // so text outlines aren't jagged
+
+ this.colorFillStyle( context, color[ 0 ], color[ 1 ], color[ 2 ], opacity );
+
+ this.colorStrokeStyle( context, outlineColor[ 0 ], outlineColor[ 1 ], outlineColor[ 2 ], outlineOpacity );
+};
+
+function circle(ctx, x, y, width, height) {
+ const diameter = Math.min(width, height);
+ const radius = diameter / 2;
+
+ const centerX = x + width / 2;
+ const centerY = y + height / 2;
+
+ ctx.beginPath();
+ ctx.arc(centerX, centerY, radius, 0, Math.PI * 2);
+ ctx.closePath();
+}
+
+function roundRect(ctx, x, y, width, height, radius = 5) {
+ const r = Math.min(radius, width / 2, height / 2); // prevent overflow
+ ctx.beginPath();
+ ctx.moveTo(x + r, y);
+ ctx.lineTo(x + width - r, y);
+ ctx.quadraticCurveTo(x + width, y, x + width, y + r);
+ ctx.lineTo(x + width, y + height - r);
+ ctx.quadraticCurveTo(x + width, y + height, x + width - r, y + height);
+ ctx.lineTo(x + r, y + height);
+ ctx.quadraticCurveTo(x, y + height, x, y + height - r);
+ ctx.lineTo(x, y + r);
+ ctx.quadraticCurveTo(x, y, x + r, y);
+ ctx.closePath();
+}
+
+CRp.getTextAngle = function( ele, prefix ){
+ let theta;
+ let _p = ele._private;
+ let rscratch = _p.rscratch;
+ let pdash = prefix ? prefix + '-' : '';
+ let rotation = ele.pstyle( pdash + 'text-rotation' );
+
+ if( rotation.strValue === 'autorotate' ){
+ let textAngle = util.getPrefixedProperty( rscratch, 'labelAngle', prefix );
+ theta = ele.isEdge() ? textAngle : 0;
+ } else if( rotation.strValue === 'none' ){
+ theta = 0;
+ } else {
+ theta = rotation.pfValue;
+ }
+
+ return theta;
+};
+
+CRp.drawText = function( context, ele, prefix, applyRotation = true, useEleOpacity = true ){
+ let _p = ele._private;
+ let rscratch = _p.rscratch;
+ let parentOpacity = useEleOpacity ? ele.effectiveOpacity() : 1;
+
+ if( useEleOpacity && (parentOpacity === 0 || ele.pstyle( 'text-opacity' ).value === 0) ){
+ return;
+ }
+
+ // use 'main' as an alias for the main label (i.e. null prefix)
+ if( prefix === 'main' ){ prefix = null; }
+
+ let textX = util.getPrefixedProperty( rscratch, 'labelX', prefix );
+ let textY = util.getPrefixedProperty( rscratch, 'labelY', prefix );
+ let orgTextX, orgTextY; // used for rotation
+ let text = this.getLabelText( ele, prefix );
+
+ if( text != null && text !== '' && !isNaN( textX ) && !isNaN( textY ) ){
+ this.setupTextStyle( context, ele, useEleOpacity );
+
+ let pdash = prefix ? prefix + '-' : '';
+ let textW = util.getPrefixedProperty( rscratch, 'labelWidth', prefix );
+ let textH = util.getPrefixedProperty( rscratch, 'labelHeight', prefix );
+ let labelActualDescent = util.getPrefixedProperty( rscratch, 'labelActualDescent', prefix );
+ let marginX = ele.pstyle( pdash + 'text-margin-x' ).pfValue;
+ let marginY = ele.pstyle( pdash + 'text-margin-y' ).pfValue;
+
+ let isEdge = ele.isEdge();
+
+ let halign = ele.pstyle( 'text-halign' ).value;
+ let valign = ele.pstyle( 'text-valign' ).value;
+
+ if( isEdge ){
+ halign = 'center';
+ valign = 'center';
+ }
+
+ textX += marginX;
+ textY += marginY;
+
+ let theta;
+
+ if( !applyRotation ){
+ theta = 0;
+ } else {
+ theta = this.getTextAngle(ele, prefix);
+ }
+
+ if( theta !== 0 ){
+ orgTextX = textX;
+ orgTextY = textY;
+
+ context.translate( orgTextX, orgTextY );
+ context.rotate( theta );
+
+ textX = 0;
+ textY = 0;
+ }
+
+ let boxHalign = labelHalign( halign );
+ let boxValign = labelValign( valign );
+
+ switch( boxValign ){
+ case 'top':
+ break;
+ case 'center':
+ textY += textH / 2;
+ break;
+ case 'bottom':
+ textY += textH;
+ break;
+ }
+
+ let backgroundOpacity = ele.pstyle( 'text-background-opacity' ).value;
+ let borderOpacity = ele.pstyle( 'text-border-opacity' ).value;
+ let textBorderWidth = ele.pstyle( 'text-border-width' ).pfValue;
+ let backgroundPadding = ele.pstyle( 'text-background-padding' ).pfValue;
+ let styleShape = ele.pstyle( 'text-background-shape' ).strValue;
+ let rounded = styleShape === 'round-rectangle' || styleShape === 'roundrectangle';
+ let circled = styleShape === 'circle';
+ let roundRadius = 2;
+
+ if( backgroundOpacity > 0 || ( textBorderWidth > 0 && borderOpacity > 0 ) ){
+ let textFill = context.fillStyle;
+ let textStroke = context.strokeStyle;
+ let textLineWidth = context.lineWidth;
+
+ let textBackgroundColor = ele.pstyle( 'text-background-color' ).value;
+ let textBorderColor = ele.pstyle( 'text-border-color' ).value;
+ let textBorderStyle = ele.pstyle( 'text-border-style' ).value;
+
+ let doFill = backgroundOpacity > 0;
+ let doStroke = textBorderWidth > 0 && borderOpacity > 0;
+
+ let bgX = textX - backgroundPadding;
+ switch( boxHalign ){
+ case 'left': bgX -= textW; break;
+ case 'center': bgX -= textW / 2; break;
+ }
+
+ let bgY = textY - textH - backgroundPadding;
+ let bgW = textW + 2*backgroundPadding;
+ let bgH = textH + 2*backgroundPadding;
+
+ if( doFill ){
+ context.fillStyle = `rgba(${textBackgroundColor[0]},${textBackgroundColor[1]},${textBackgroundColor[2]},${backgroundOpacity * parentOpacity})`;
+ }
+
+ if( doStroke ){
+ context.strokeStyle = `rgba(${textBorderColor[0]},${textBorderColor[1]},${textBorderColor[2]},${borderOpacity * parentOpacity})`;
+ context.lineWidth = textBorderWidth;
+
+ if( context.setLineDash ){
+ switch( textBorderStyle ){
+ case 'dotted': context.setLineDash([1, 1]); break;
+ case 'dashed': context.setLineDash([4, 2]); break;
+ case 'double':
+ context.lineWidth = textBorderWidth / 4;
+ context.setLineDash([]);
+ break;
+ case 'solid': default: context.setLineDash([]); break;
+ }
+ }
+ }
+
+ if( rounded ){
+ context.beginPath();
+ roundRect(context, bgX, bgY, bgW, bgH, roundRadius);
+ } else if (circled){
+ context.beginPath();
+ circle(context, bgX, bgY, bgW, bgH);
+ } else {
+ context.beginPath();
+ context.rect(bgX, bgY, bgW, bgH);
+ }
+
+ if( doFill ) context.fill();
+ if( doStroke ) context.stroke();
+
+ // Double border pass for 'double' style
+ if( doStroke && textBorderStyle === 'double' ){
+ let whiteWidth = textBorderWidth / 2;
+ context.beginPath();
+
+ if( rounded ){
+ roundRect(context, bgX + whiteWidth, bgY + whiteWidth, bgW - 2*whiteWidth, bgH - 2*whiteWidth, roundRadius);
+ } else {
+ context.rect(bgX + whiteWidth, bgY + whiteWidth, bgW - 2*whiteWidth, bgH - 2*whiteWidth);
+ }
+
+ context.stroke();
+ }
+
+ context.fillStyle = textFill;
+ context.strokeStyle = textStroke;
+ context.lineWidth = textLineWidth;
+ if( context.setLineDash ) context.setLineDash([]);
+ }
+
+ let lineWidth = 2 * ele.pstyle( 'text-outline-width' ).pfValue; // *2 b/c the stroke is drawn centred on the middle
+
+ if( lineWidth > 0 ){
+ context.lineWidth = lineWidth;
+ }
+
+ textY -= labelActualDescent;
+ if( ele.pstyle( 'text-wrap' ).value === 'wrap' ){
+ let lines = util.getPrefixedProperty( rscratch, 'labelWrapCachedLines', prefix );
+ let lineHeight = util.getPrefixedProperty( rscratch, 'labelLineHeight', prefix );
+ let halfTextW = textW/2;
+ let justification = this.getLabelJustification(ele);
+
+ if( justification === 'auto' ){
+ // then it's already ok, so skip all the other ifs
+ } else if( boxHalign === 'left' ){ // auto justification : right
+ if( justification === 'left' ){
+ textX += -textW;
+ } else if( justification === 'center' ){
+ textX += -halfTextW;
+ } // else same as auto
+ } else if( boxHalign === 'center' ){ // auto justfication : center
+ if( justification === 'left' ){
+ textX += -halfTextW;
+ } else if( justification === 'right' ){
+ textX += halfTextW;
+ } // else same as auto
+ } else if( boxHalign === 'right' ){ // auto justification : left
+ if( justification === 'center' ){
+ textX += halfTextW;
+ } else if( justification === 'right' ){
+ textX += textW;
+ } // else same as auto
+ }
+
+ switch( boxValign ){
+ case 'top':
+ textY -= ( lines.length - 1 ) * lineHeight;
+ break;
+ case 'center':
+ case 'bottom':
+ textY -= ( lines.length - 1 ) * lineHeight;
+ break;
+ }
+
+ for( let l = 0; l < lines.length; l++ ){
+ if( lineWidth > 0 ){
+ context.strokeText( lines[ l ], textX, textY );
+ }
+
+ context.fillText( lines[ l ], textX, textY );
+
+ textY += lineHeight;
+ }
+
+ } else {
+ if( lineWidth > 0 ){
+ context.strokeText( text, textX, textY );
+ }
+
+ context.fillText( text, textX, textY );
+ }
+
+ if( theta !== 0 ){
+ context.rotate( -theta );
+ context.translate( -orgTextX, -orgTextY );
+ }
+ }
+};
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-nodes.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-nodes.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..18b0f33b9d79fc0257a66803aa774052bf693211
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-nodes.mjs
@@ -0,0 +1,804 @@
+/* global Path2D */
+
+import * as is from '../../../is.mjs';
+import {expandPolygon, joinLines} from '../../../math.mjs';
+import * as util from '../../../util/index.mjs';
+import * as round from "../../../round.mjs";
+import * as math from "../../../math.mjs";
+
+let CRp = {};
+
+CRp.drawNode = function( context, node, shiftToOriginWithBb, drawLabel = true, shouldDrawOverlay = true, shouldDrawOpacity = true ){
+ let r = this;
+ let nodeWidth, nodeHeight;
+ let _p = node._private;
+ let rs = _p.rscratch;
+ let pos = node.position();
+
+ if( !is.number( pos.x ) || !is.number( pos.y ) ){
+ return; // can't draw node with undefined position
+ }
+
+ if( shouldDrawOpacity && !node.visible() ){ return; }
+
+ let eleOpacity = shouldDrawOpacity ? node.effectiveOpacity() : 1;
+
+ let usePaths = r.usePaths();
+ let path;
+ let pathCacheHit = false;
+
+ let padding = node.padding();
+
+ nodeWidth = node.width() + 2 * padding;
+ nodeHeight = node.height() + 2 * padding;
+
+ //
+ // setup shift
+
+ let bb;
+ if( shiftToOriginWithBb ){
+ bb = shiftToOriginWithBb;
+
+ context.translate( -bb.x1, -bb.y1 );
+ }
+
+ //
+ // load bg image
+
+ let bgImgProp = node.pstyle( 'background-image' );
+ let urls = bgImgProp.value;
+ let urlDefined = new Array( urls.length );
+ let image = new Array( urls.length );
+ let numImages = 0;
+ for( let i = 0; i < urls.length; i++ ){
+ let url = urls[i];
+ let defd = urlDefined[i] = url != null && url !== 'none';
+
+ if( defd ){
+ let bgImgCrossOrigin = node.cy().style().getIndexedStyle(node, 'background-image-crossorigin', 'value', i);
+
+ numImages++;
+
+ // get image, and if not loaded then ask to redraw when later loaded
+ image[i] = r.getCachedImage( url, bgImgCrossOrigin, function(){
+ _p.backgroundTimestamp = Date.now();
+
+ node.emitAndNotify('background');
+ } );
+ }
+ }
+
+ //
+ // setup styles
+
+ let darkness = node.pstyle('background-blacken').value;
+ let borderWidth = node.pstyle('border-width').pfValue;
+ let bgOpacity = node.pstyle('background-opacity').value * eleOpacity;
+ let borderColor = node.pstyle('border-color').value;
+ let borderStyle = node.pstyle('border-style').value;
+ let borderJoin = node.pstyle('border-join').value;
+ let borderCap = node.pstyle('border-cap').value;
+ let borderPosition = node.pstyle('border-position').value;
+ let borderPattern = node.pstyle('border-dash-pattern').pfValue;
+ let borderOffset = node.pstyle('border-dash-offset').pfValue;
+ let borderOpacity = node.pstyle('border-opacity').value * eleOpacity;
+ let outlineWidth = node.pstyle('outline-width').pfValue;
+ let outlineColor = node.pstyle('outline-color').value;
+ let outlineStyle = node.pstyle('outline-style').value;
+ let outlineOpacity = node.pstyle('outline-opacity').value * eleOpacity;
+ let outlineOffset = node.pstyle('outline-offset').value;
+ let cornerRadius = node.pstyle('corner-radius').value;
+ if (cornerRadius !== 'auto') cornerRadius = node.pstyle('corner-radius').pfValue;
+
+ let setupShapeColor = ( bgOpy = bgOpacity ) => {
+ r.eleFillStyle( context, node, bgOpy );
+ };
+
+ let setupBorderColor = ( bdrOpy = borderOpacity ) => {
+ r.colorStrokeStyle( context, borderColor[0], borderColor[1], borderColor[2], bdrOpy );
+ };
+
+ let setupOutlineColor = ( otlnOpy = outlineOpacity ) => {
+ r.colorStrokeStyle( context, outlineColor[0], outlineColor[1], outlineColor[2], otlnOpy );
+ };
+
+ //
+ // setup shape
+
+ let getPath = (width, height, shape, points) => {
+ let pathCache = r.nodePathCache = r.nodePathCache || [];
+
+ let key = util.hashStrings(
+ shape === 'polygon' ? shape + ',' + points.join(',') : shape,
+ '' + height,
+ '' + width,
+ '' + cornerRadius
+ );
+
+ let cachedPath = pathCache[ key ];
+ let path;
+ let cacheHit = false;
+
+ if( cachedPath != null ){
+ path = cachedPath;
+ cacheHit = true;
+ rs.pathCache = path;
+ } else {
+ path = new Path2D();
+ pathCache[ key ] = rs.pathCache = path;
+ }
+
+ return {
+ path,
+ cacheHit
+ };
+ };
+
+ let styleShape = node.pstyle('shape').strValue;
+ let shapePts = node.pstyle('shape-polygon-points').pfValue;
+
+ if( usePaths ){
+ context.translate( pos.x, pos.y );
+
+ const shapePath = getPath(nodeWidth, nodeHeight, styleShape, shapePts);
+ path = shapePath.path;
+ pathCacheHit = shapePath.cacheHit;
+ }
+
+ let drawShape = () => {
+ if( !pathCacheHit ){
+
+ let npos = pos;
+
+ if( usePaths ){
+ npos = {
+ x: 0,
+ y: 0
+ };
+ }
+
+ r.nodeShapes[ r.getNodeShape( node ) ].draw(
+ ( path || context ),
+ npos.x,
+ npos.y,
+ nodeWidth,
+ nodeHeight, cornerRadius, rs );
+ }
+
+ if( usePaths ){
+ context.fill( path );
+ } else {
+ context.fill();
+ }
+ };
+
+ let drawImages = ( nodeOpacity = eleOpacity, inside = true ) => {
+ let prevBging = _p.backgrounding;
+ let totalCompleted = 0;
+
+ for( let i = 0; i < image.length; i++ ){
+ const bgContainment = node.cy().style().getIndexedStyle(node, 'background-image-containment', 'value', i);
+ if( inside && bgContainment === 'over' || !inside && bgContainment === 'inside' ){
+ totalCompleted++;
+ continue;
+ }
+
+ if( urlDefined[i] && image[i].complete && !image[i].error ){
+ totalCompleted++;
+ r.drawInscribedImage( context, image[i], node, i, nodeOpacity );
+ }
+ }
+
+ _p.backgrounding = !(totalCompleted === numImages);
+ if( prevBging !== _p.backgrounding ){ // update style b/c :backgrounding state changed
+ node.updateStyle( false );
+ }
+ };
+
+ let drawPie = ( redrawShape = false, pieOpacity = eleOpacity ) => {
+ if( r.hasPie( node ) ){
+ r.drawPie( context, node, pieOpacity );
+
+ // redraw/restore path if steps after pie need it
+ if( redrawShape ){
+
+ if( !usePaths ){
+ r.nodeShapes[ r.getNodeShape( node ) ].draw(
+ context,
+ pos.x,
+ pos.y,
+ nodeWidth,
+ nodeHeight, cornerRadius, rs );
+ }
+ }
+ }
+ };
+
+ let drawStripe = (redrawShape = false, stripeOpacity = eleOpacity) => {
+ if( r.hasStripe( node ) ){
+ context.save();
+
+ if (usePaths) {
+ context.clip( rs.pathCache );
+ } else {
+ r.nodeShapes[ r.getNodeShape( node ) ].draw(
+ context,
+ pos.x,
+ pos.y,
+ nodeWidth,
+ nodeHeight, cornerRadius, rs );
+ context.clip();
+ }
+
+ r.drawStripe( context, node, stripeOpacity );
+
+ context.restore();
+
+ // redraw/restore path if steps after stripes need it
+ if( redrawShape ){
+
+ if( !usePaths ){
+ r.nodeShapes[ r.getNodeShape( node ) ].draw(
+ context,
+ pos.x,
+ pos.y,
+ nodeWidth,
+ nodeHeight, cornerRadius, rs );
+ }
+ }
+ }
+ };
+
+ let darken = ( darkenOpacity = eleOpacity ) => {
+ let opacity = ( darkness > 0 ? darkness : -darkness ) * darkenOpacity;
+ let c = darkness > 0 ? 0 : 255;
+
+ if( darkness !== 0 ){
+ r.colorFillStyle( context, c, c, c, opacity );
+
+ if( usePaths ){
+ context.fill( path );
+ } else {
+ context.fill();
+ }
+ }
+ };
+
+ let drawBorder = () => {
+ if( borderWidth > 0 ){
+
+ context.lineWidth = borderWidth;
+ context.lineCap = borderCap;
+ context.lineJoin = borderJoin;
+
+ if( context.setLineDash ){ // for very outofdate browsers
+ switch( borderStyle ){
+ case 'dotted':
+ context.setLineDash( [ 1, 1 ] );
+ break;
+
+ case 'dashed':
+ context.setLineDash( borderPattern );
+ context.lineDashOffset = borderOffset;
+ break;
+
+ case 'solid':
+ case 'double':
+ context.setLineDash( [ ] );
+ break;
+ }
+ }
+
+ if ( borderPosition !== 'center') {
+ context.save();
+ context.lineWidth *= 2;
+ if (borderPosition === 'inside') {
+ usePaths ? context.clip(path) : context.clip();
+ } else {
+ const region = new Path2D();
+ region.rect(
+ -nodeWidth / 2 - borderWidth,
+ -nodeHeight / 2 - borderWidth,
+ nodeWidth + 2 * borderWidth,
+ nodeHeight + 2 * borderWidth
+ );
+ region.addPath(path);
+ context.clip(region, 'evenodd');
+ }
+ usePaths ? context.stroke(path) : context.stroke();
+ context.restore();
+ } else {
+ usePaths ? context.stroke(path) : context.stroke();
+ }
+
+ if( borderStyle === 'double' ){
+ context.lineWidth = borderWidth / 3;
+
+ let gco = context.globalCompositeOperation;
+ context.globalCompositeOperation = 'destination-out';
+
+ if( usePaths ){
+ context.stroke( path );
+ } else {
+ context.stroke();
+ }
+
+ context.globalCompositeOperation = gco;
+ }
+
+ // reset in case we changed the border style
+ if( context.setLineDash ){ // for very outofdate browsers
+ context.setLineDash( [ ] );
+ }
+ }
+ };
+
+ let drawOutline = () => {
+ if( outlineWidth > 0 ){
+ context.lineWidth = outlineWidth;
+ context.lineCap = 'butt';
+
+ if( context.setLineDash ){ // for very outofdate browsers
+ switch( outlineStyle ){
+ case 'dotted':
+ context.setLineDash( [ 1, 1 ] );
+ break;
+
+ case 'dashed':
+ context.setLineDash( [ 4, 2 ] );
+ break;
+
+ case 'solid':
+ case 'double':
+ context.setLineDash( [ ] );
+ break;
+ }
+ }
+
+ let npos = pos;
+
+ if( usePaths ){
+ npos = {
+ x: 0,
+ y: 0
+ };
+ }
+
+ let shape = r.getNodeShape( node );
+
+ let bWidth = borderWidth;
+ if( borderPosition === 'inside' ) bWidth = 0;
+ if( borderPosition === 'outside' ) bWidth *= 2;
+
+ let scaleX = (nodeWidth + bWidth + (outlineWidth + outlineOffset)) / nodeWidth;
+ let scaleY = (nodeHeight + bWidth + (outlineWidth + outlineOffset)) / nodeHeight;
+ let sWidth = nodeWidth * scaleX;
+ let sHeight = nodeHeight * scaleY;
+
+ let points = r.nodeShapes[ shape ].points;
+ let path;
+
+ if (usePaths) {
+ let outlinePath = getPath(sWidth, sHeight, shape, points);
+ path = outlinePath.path;
+ }
+
+ // draw the outline path, either by using expanded points or by scaling
+ // the dimensions, depending on shape
+ if (shape === "ellipse") {
+ r.drawEllipsePath(path || context, npos.x, npos.y, sWidth, sHeight);
+ } else if ([
+ 'round-diamond', 'round-heptagon', 'round-hexagon', 'round-octagon',
+ 'round-pentagon', 'round-polygon', 'round-triangle', 'round-tag'
+ ].includes(shape)) {
+ let sMult = 0;
+ let offsetX = 0;
+ let offsetY = 0;
+
+ if (shape === 'round-diamond') {
+ sMult = (bWidth + outlineOffset + outlineWidth) * 1.4;
+ } else if (shape === 'round-heptagon') {
+ sMult = (bWidth + outlineOffset + outlineWidth) * 1.075;
+ offsetY = -(bWidth/2 + outlineOffset + outlineWidth) / 35;
+ } else if (shape === 'round-hexagon') {
+ sMult = (bWidth + outlineOffset + outlineWidth) * 1.12;
+ } else if (shape === 'round-pentagon') {
+ sMult = (bWidth + outlineOffset + outlineWidth) * 1.13;
+ offsetY = -(bWidth/2 + outlineOffset + outlineWidth) / 15;
+ } else if (shape === 'round-tag') {
+ sMult = (bWidth + outlineOffset + outlineWidth) * 1.12;
+ offsetX = (bWidth/2 + outlineWidth + outlineOffset) * .07;
+ } else if (shape === 'round-triangle') {
+ sMult = (bWidth + outlineOffset + outlineWidth) * (Math.PI/2);
+ offsetY = -(bWidth + outlineOffset/2 + outlineWidth) / Math.PI;
+ }
+
+ if (sMult !== 0) {
+ scaleX = (nodeWidth + sMult)/nodeWidth;
+ sWidth = nodeWidth * scaleX;
+ if ( ! ['round-hexagon', 'round-tag'].includes(shape) ) {
+ scaleY = (nodeHeight + sMult)/nodeHeight;
+ sHeight = nodeHeight * scaleY;
+ }
+ }
+
+ cornerRadius = cornerRadius === 'auto' ? math.getRoundPolygonRadius( sWidth, sHeight ) : cornerRadius;
+
+ const halfW = sWidth / 2;
+ const halfH = sHeight / 2;
+ const radius = cornerRadius + ( bWidth + outlineWidth + outlineOffset ) / 2;
+ const p = new Array( points.length / 2 );
+ const corners = new Array( points.length / 2 );
+
+ for ( let i = 0; i < points.length / 2; i++ ){
+ p[i] = {
+ x: npos.x + offsetX + halfW * points[ i * 2 ],
+ y: npos.y + offsetY + halfH * points[ i * 2 + 1 ]
+ };
+ }
+
+ let i, p1, p2, p3, len = p.length;
+
+ p1 = p[ len - 1 ];
+ // for each point
+ for( i = 0; i < len; i++ ){
+ p2 = p[ (i) % len ];
+ p3 = p[ (i + 1) % len ];
+ corners[ i ] = round.getRoundCorner( p1, p2, p3, radius );
+ p1 = p2;
+ p2 = p3;
+ }
+
+ r.drawRoundPolygonPath(path || context, npos.x + offsetX, npos.y + offsetY, nodeWidth * scaleX, nodeHeight * scaleY, points, corners );
+ } else if (['roundrectangle', 'round-rectangle'].includes(shape)) {
+ cornerRadius = cornerRadius === 'auto' ? math.getRoundRectangleRadius( sWidth, sHeight ) : cornerRadius;
+ r.drawRoundRectanglePath(path || context, npos.x, npos.y, sWidth, sHeight, cornerRadius + ( bWidth + outlineWidth + outlineOffset ) / 2 );
+ } else if (['cutrectangle', 'cut-rectangle'].includes(shape)) {
+ cornerRadius = cornerRadius === 'auto' ? math.getCutRectangleCornerLength( sWidth, sHeight ) : cornerRadius;
+ r.drawCutRectanglePath(path || context, npos.x, npos.y, sWidth, sHeight, null ,cornerRadius + ( bWidth + outlineWidth + outlineOffset ) / 4 );
+ } else if (['bottomroundrectangle', 'bottom-round-rectangle'].includes(shape)) {
+ cornerRadius = cornerRadius === 'auto' ? math.getRoundRectangleRadius( sWidth, sHeight ) : cornerRadius;
+ r.drawBottomRoundRectanglePath(path || context, npos.x, npos.y, sWidth, sHeight, cornerRadius + ( bWidth + outlineWidth + outlineOffset ) / 2 );
+ } else if (shape === "barrel") {
+ r.drawBarrelPath(path || context, npos.x, npos.y, sWidth, sHeight);
+ } else if (shape.startsWith("polygon") || ['rhomboid', 'right-rhomboid', 'round-tag', 'tag', 'vee'].includes(shape)) {
+ let pad = (bWidth + outlineWidth + outlineOffset) / nodeWidth;
+ points = joinLines(expandPolygon(points, pad));
+ r.drawPolygonPath(path || context, npos.x, npos.y, nodeWidth, nodeHeight, points);
+ } else {
+ let pad = (bWidth + outlineWidth + outlineOffset) / nodeWidth;
+ points = joinLines(expandPolygon(points, -pad));
+ r.drawPolygonPath(path || context, npos.x, npos.y, nodeWidth, nodeHeight, points);
+ }
+
+ if( usePaths ){
+ context.stroke( path );
+ } else {
+ context.stroke();
+ }
+
+ if( outlineStyle === 'double' ){
+ context.lineWidth = bWidth / 3;
+
+ let gco = context.globalCompositeOperation;
+ context.globalCompositeOperation = 'destination-out';
+
+ if( usePaths ){
+ context.stroke( path );
+ } else {
+ context.stroke();
+ }
+
+ context.globalCompositeOperation = gco;
+ }
+
+ // reset in case we changed the border style
+ if( context.setLineDash ){ // for very outofdate browsers
+ context.setLineDash( [ ] );
+ }
+ }
+ };
+
+ let drawOverlay = () => {
+ if( shouldDrawOverlay ){
+ r.drawNodeOverlay( context, node, pos, nodeWidth, nodeHeight );
+ }
+ };
+
+ let drawUnderlay = () => {
+ if( shouldDrawOverlay ){
+ r.drawNodeUnderlay( context, node, pos, nodeWidth, nodeHeight );
+ }
+ };
+
+ let drawText = () => {
+ r.drawElementText( context, node, null, drawLabel );
+ };
+
+ let ghost = node.pstyle('ghost').value === 'yes';
+
+ if( ghost ){
+ let gx = node.pstyle('ghost-offset-x').pfValue;
+ let gy = node.pstyle('ghost-offset-y').pfValue;
+ let ghostOpacity = node.pstyle('ghost-opacity').value;
+ let effGhostOpacity = ghostOpacity * eleOpacity;
+
+ context.translate( gx, gy );
+
+ setupOutlineColor();
+ drawOutline();
+ setupShapeColor( ghostOpacity * bgOpacity );
+ drawShape();
+ drawImages( effGhostOpacity, true );
+ setupBorderColor( ghostOpacity * borderOpacity );
+ drawBorder();
+ drawPie( darkness !== 0 || borderWidth !== 0 );
+ drawStripe( darkness !== 0 || borderWidth !== 0 );
+ drawImages( effGhostOpacity, false );
+ darken( effGhostOpacity );
+
+ context.translate( -gx, -gy );
+ }
+
+ if( usePaths ){
+ context.translate( -pos.x, -pos.y );
+ }
+ drawUnderlay();
+ if( usePaths ){
+ context.translate( pos.x, pos.y );
+ }
+
+ setupOutlineColor();
+ drawOutline();
+ setupShapeColor();
+ drawShape();
+ drawImages(eleOpacity, true);
+ setupBorderColor();
+ drawBorder();
+ drawPie( darkness !== 0 || borderWidth !== 0 );
+ drawStripe( darkness !== 0 || borderWidth !== 0 );
+ drawImages(eleOpacity, false);
+
+ darken();
+
+ if( usePaths ){
+ context.translate( -pos.x, -pos.y );
+ }
+
+ drawText();
+
+ drawOverlay();
+
+ //
+ // clean up shift
+
+ if( shiftToOriginWithBb ){
+ context.translate( bb.x1, bb.y1 );
+ }
+
+};
+
+const drawNodeOverlayUnderlay = function( overlayOrUnderlay ) {
+ if (!['overlay', 'underlay'].includes(overlayOrUnderlay)) {
+ throw new Error('Invalid state');
+ }
+
+ return function( context, node, pos, nodeWidth, nodeHeight ){
+ let r = this;
+
+ if( !node.visible() ){ return; }
+
+ let padding = node.pstyle( `${overlayOrUnderlay}-padding` ).pfValue;
+ let opacity = node.pstyle( `${overlayOrUnderlay}-opacity` ).value;
+ let color = node.pstyle( `${overlayOrUnderlay}-color` ).value;
+ let shape = node.pstyle( `${overlayOrUnderlay}-shape` ).value;
+ let radius = node.pstyle( `${overlayOrUnderlay}-corner-radius` ).value;
+
+ if( opacity > 0 ){
+ pos = pos || node.position();
+
+ if( nodeWidth == null || nodeHeight == null ){
+ let padding = node.padding();
+
+ nodeWidth = node.width() + 2 * padding;
+ nodeHeight = node.height() + 2 * padding;
+ }
+
+ r.colorFillStyle( context, color[0], color[1], color[2], opacity );
+
+ r.nodeShapes[shape].draw(
+ context,
+ pos.x,
+ pos.y,
+ nodeWidth + padding * 2,
+ nodeHeight + padding * 2,
+ radius
+ );
+
+ context.fill();
+ }
+ };
+};
+
+CRp.drawNodeOverlay = drawNodeOverlayUnderlay('overlay');
+
+CRp.drawNodeUnderlay = drawNodeOverlayUnderlay('underlay');
+
+// does the node have at least one pie piece?
+CRp.hasPie = function( node ){
+ node = node[0]; // ensure ele ref
+
+ return node._private.hasPie;
+};
+
+CRp.hasStripe = function( node ){
+ node = node[0]; // ensure ele ref
+
+ return node._private.hasStripe;
+};
+
+CRp.drawPie = function( context, node, nodeOpacity, pos ){
+ node = node[0]; // ensure ele ref
+ pos = pos || node.position();
+
+ let cyStyle = node.cy().style();
+ let pieSize = node.pstyle( 'pie-size' );
+ let hole = node.pstyle('pie-hole');
+ let overallStartAngle = node.pstyle('pie-start-angle').pfValue;
+ let x = pos.x;
+ let y = pos.y;
+ let nodeW = node.width();
+ let nodeH = node.height();
+ let radius = Math.min( nodeW, nodeH ) / 2; // must fit in node
+ let holeRadius;
+ let lastPercent = 0; // what % to continue drawing pie slices from on [0, 1]
+ let usePaths = this.usePaths();
+
+ if( usePaths ){
+ x = 0;
+ y = 0;
+ }
+
+ if( pieSize.units === '%' ){
+ radius = radius * pieSize.pfValue;
+ } else if( pieSize.pfValue !== undefined ){
+ radius = pieSize.pfValue / 2; // diameter in pixels => radius
+ }
+
+ if (hole.units === '%') {
+ holeRadius = radius * hole.pfValue;
+ } else if (hole.pfValue !== undefined) {
+ holeRadius = hole.pfValue / 2; // diameter in pixels => radius
+ }
+
+ if (holeRadius >= radius) {
+ return; // the pie would be invisible anyway
+ }
+
+ for( let i = 1; i <= cyStyle.pieBackgroundN; i++ ){ // 1..N
+ let size = node.pstyle( 'pie-' + i + '-background-size' ).value;
+ let color = node.pstyle( 'pie-' + i + '-background-color' ).value;
+ let opacity = node.pstyle( 'pie-' + i + '-background-opacity' ).value * nodeOpacity;
+ let percent = size / 100; // map integer range [0, 100] to [0, 1]
+
+ // percent can't push beyond 1
+ if( percent + lastPercent > 1 ){
+ percent = 1 - lastPercent;
+ }
+
+ let angleStart = (1.5 * Math.PI) + (2 * Math.PI * lastPercent); // start at 12 o'clock and go clockwise
+ angleStart += overallStartAngle; // shift by the overall pie start angle
+ let angleDelta = 2 * Math.PI * percent;
+ let angleEnd = angleStart + angleDelta;
+
+ // ignore if
+ // - zero size
+ // - we're already beyond the full circle
+ // - adding the current slice would go beyond the full circle
+ if( size === 0 || lastPercent >= 1 || lastPercent + percent > 1 ){
+ continue;
+ }
+
+ if (holeRadius === 0) { // make a pie slice
+ context.beginPath();
+ context.moveTo( x, y );
+ context.arc( x, y, radius, angleStart, angleEnd );
+ context.closePath();
+ } else { // make a pie slice that's like the above but with a hole in the middle
+ context.beginPath();
+ context.arc(x, y, radius, angleStart, angleEnd);
+ context.arc(x, y, holeRadius, angleEnd, angleStart, true); // true for anticlockwise
+ context.closePath();
+ }
+
+ this.colorFillStyle( context, color[0], color[1], color[2], opacity );
+
+ context.fill();
+
+ lastPercent += percent;
+ }
+
+};
+
+CRp.drawStripe = function( context, node, nodeOpacity, pos ){
+ node = node[0]; // ensure ele ref
+ pos = pos || node.position();
+
+ let cyStyle = node.cy().style();
+ let x = pos.x;
+ let y = pos.y;
+ let nodeW = node.width();
+ let nodeH = node.height();
+ let lastPercent = 0; // what % to continue drawing pie slices from on [0, 1]
+ let usePaths = this.usePaths();
+
+ context.save();
+
+ let direction = node.pstyle('stripe-direction').value;
+ let stripeSize = node.pstyle('stripe-size');
+
+ switch (direction) {
+ case 'vertical':
+ break; // default
+ case 'righward':
+ context.rotate(-Math.PI / 2);
+ break;
+ }
+
+ let stripeW = nodeW;
+ let stripeH = nodeH;
+
+ if( stripeSize.units === '%' ){
+ stripeW = stripeW * stripeSize.pfValue;
+ stripeH = stripeH * stripeSize.pfValue;
+ } else if( stripeSize.pfValue !== undefined ){
+ stripeW = stripeSize.pfValue;
+ stripeH = stripeSize.pfValue;
+ }
+
+ if( usePaths ){
+ x = 0;
+ y = 0;
+ }
+
+ // shift up from the centre of the node to the top-left corner
+ y -= stripeW / 2;
+ x -= stripeH / 2;
+
+ for( let i = 1; i <= cyStyle.stripeBackgroundN; i++ ){ // 1..N
+ let size = node.pstyle( 'stripe-' + i + '-background-size' ).value;
+ let color = node.pstyle( 'stripe-' + i + '-background-color' ).value;
+ let opacity = node.pstyle( 'stripe-' + i + '-background-opacity' ).value * nodeOpacity;
+ let percent = size / 100; // map integer range [0, 100] to [0, 1]
+
+ // percent can't push beyond 1
+ if( percent + lastPercent > 1 ){
+ percent = 1 - lastPercent;
+ }
+
+ // ignore if
+ // - zero size
+ // - we're already beyond the full chart
+ // - adding the current slice would go beyond the full chart
+ if( size === 0 || lastPercent >= 1 || lastPercent + percent > 1 ){
+ continue;
+ }
+
+ // draw rect for the current stripe
+ context.beginPath();
+ context.rect( x, y + stripeH * lastPercent, stripeW, stripeH * percent );
+ context.closePath();
+
+ this.colorFillStyle( context, color[0], color[1], color[2], opacity );
+
+ context.fill();
+
+ lastPercent += percent;
+ }
+
+ context.restore();
+
+};
+
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-redraw.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-redraw.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..59c8f2ae110b2822d92e2b03e60925f5f8c1e4a2
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-redraw.mjs
@@ -0,0 +1,721 @@
+import * as util from '../../../util/index.mjs';
+import * as math from '../../../math.mjs';
+
+var CRp = {};
+
+var motionBlurDelay = 100;
+
+// var isFirefox = typeof InstallTrigger !== 'undefined';
+
+CRp.getPixelRatio = function(){
+ var context = this.data.contexts[0];
+
+ if( this.forcedPixelRatio != null ){
+ return this.forcedPixelRatio;
+ }
+
+ var containerWindow = this.cy.window();
+
+ var backingStore = context.backingStorePixelRatio ||
+ context.webkitBackingStorePixelRatio ||
+ context.mozBackingStorePixelRatio ||
+ context.msBackingStorePixelRatio ||
+ context.oBackingStorePixelRatio ||
+ context.backingStorePixelRatio || 1;
+
+ return (containerWindow.devicePixelRatio || 1) / backingStore; // eslint-disable-line no-undef
+};
+
+CRp.paintCache = function( context ){
+ var caches = this.paintCaches = this.paintCaches || [];
+ var needToCreateCache = true;
+ var cache;
+
+ for( var i = 0; i < caches.length; i++ ){
+ cache = caches[ i ];
+
+ if( cache.context === context ){
+ needToCreateCache = false;
+ break;
+ }
+ }
+
+ if( needToCreateCache ){
+ cache = {
+ context: context
+ };
+ caches.push( cache );
+ }
+
+ return cache;
+};
+
+CRp.createGradientStyleFor = function( context, shapeStyleName, ele, fill, opacity ){
+ let gradientStyle;
+ let usePaths = this.usePaths();
+
+ let colors = ele.pstyle(shapeStyleName + '-gradient-stop-colors').value,
+ positions = ele.pstyle(shapeStyleName + '-gradient-stop-positions').pfValue;
+
+ if (fill === 'radial-gradient') {
+ if (ele.isEdge()) {
+ let start = ele.sourceEndpoint(), end = ele.targetEndpoint(), mid = ele.midpoint();
+
+ let d1 = math.dist( start, mid );
+ let d2 = math.dist( end, mid );
+
+ gradientStyle = context.createRadialGradient(mid.x, mid.y, 0, mid.x, mid.y, Math.max(d1, d2));
+ } else {
+ let pos = usePaths ? {x: 0, y: 0 } : ele.position(),
+ width = ele.paddedWidth(), height = ele.paddedHeight();
+ gradientStyle = context.createRadialGradient(pos.x, pos.y, 0, pos.x, pos.y, Math.max(width, height));
+ }
+ } else {
+ if (ele.isEdge()) {
+ let start = ele.sourceEndpoint(), end = ele.targetEndpoint();
+
+ gradientStyle = context.createLinearGradient(start.x, start.y, end.x, end.y);
+ } else {
+ let pos = usePaths ? { x: 0, y: 0 } : ele.position(),
+ width = ele.paddedWidth(), height = ele.paddedHeight(),
+ halfWidth = width / 2, halfHeight = height / 2;
+ let direction = ele.pstyle('background-gradient-direction').value;
+
+ switch (direction) {
+ case 'to-bottom':
+ gradientStyle = context.createLinearGradient(pos.x, pos.y - halfHeight, pos.x, pos.y + halfHeight);
+ break;
+ case 'to-top':
+ gradientStyle = context.createLinearGradient(pos.x, pos.y + halfHeight, pos.x, pos.y - halfHeight);
+ break;
+ case 'to-left':
+ gradientStyle = context.createLinearGradient(pos.x + halfWidth, pos.y, pos.x - halfWidth, pos.y);
+ break;
+ case 'to-right':
+ gradientStyle = context.createLinearGradient(pos.x - halfWidth, pos.y, pos.x + halfWidth, pos.y);
+ break;
+ case 'to-bottom-right':
+ case 'to-right-bottom':
+ gradientStyle = context.createLinearGradient(pos.x - halfWidth, pos.y - halfHeight, pos.x + halfWidth, pos.y + halfHeight);
+ break;
+ case 'to-top-right':
+ case 'to-right-top':
+ gradientStyle = context.createLinearGradient(pos.x - halfWidth, pos.y + halfHeight, pos.x + halfWidth, pos.y - halfHeight);
+ break;
+ case 'to-bottom-left':
+ case 'to-left-bottom':
+ gradientStyle = context.createLinearGradient(pos.x + halfWidth, pos.y - halfHeight, pos.x - halfWidth, pos.y + halfHeight);
+ break;
+ case 'to-top-left':
+ case 'to-left-top':
+ gradientStyle = context.createLinearGradient(pos.x + halfWidth, pos.y + halfHeight, pos.x - halfWidth, pos.y - halfHeight);
+ break;
+ }
+ }
+ }
+ if (!gradientStyle) return null; // invalid gradient style
+
+ let hasPositions = positions.length === colors.length;
+
+ let length = colors.length;
+ for (let i = 0; i < length; i++) {
+ gradientStyle.addColorStop(hasPositions ? positions[i] : i / (length - 1), 'rgba(' + colors[i][0] + ',' + colors[i][1] + ',' + colors[i][2] + ',' + opacity + ')');
+ }
+
+ return gradientStyle;
+};
+
+CRp.gradientFillStyle = function( context, ele, fill, opacity ){
+ const gradientStyle = this.createGradientStyleFor(context, 'background', ele, fill, opacity);
+ if (!gradientStyle) return null; // error
+ context.fillStyle = gradientStyle;
+};
+
+CRp.colorFillStyle = function( context, r, g, b, a ){
+ context.fillStyle = 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
+ // turn off for now, seems context does its own caching
+
+ // var cache = this.paintCache(context);
+
+ // var fillStyle = 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
+
+ // if( cache.fillStyle !== fillStyle ){
+ // context.fillStyle = cache.fillStyle = fillStyle;
+ // }
+};
+
+CRp.eleFillStyle = function( context, ele, opacity ){
+ let backgroundFill = ele.pstyle('background-fill').value;
+
+ if (backgroundFill === 'linear-gradient' || backgroundFill === 'radial-gradient') {
+ this.gradientFillStyle(context, ele, backgroundFill, opacity);
+ } else {
+ let backgroundColor = ele.pstyle('background-color').value;
+ this.colorFillStyle( context, backgroundColor[0], backgroundColor[1], backgroundColor[2], opacity );
+ }
+};
+
+CRp.gradientStrokeStyle = function( context, ele, fill, opacity ){
+ const gradientStyle = this.createGradientStyleFor(context, 'line', ele, fill ,opacity);
+ if (!gradientStyle) return null; // error
+ context.strokeStyle = gradientStyle;
+};
+
+CRp.colorStrokeStyle = function( context, r, g, b, a ){
+ context.strokeStyle = 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
+ // turn off for now, seems context does its own caching
+
+ // var cache = this.paintCache(context);
+
+ // var strokeStyle = 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
+
+ // if( cache.strokeStyle !== strokeStyle ){
+ // context.strokeStyle = cache.strokeStyle = strokeStyle;
+ // }
+};
+
+CRp.eleStrokeStyle = function( context, ele, opacity ){
+ let lineFill = ele.pstyle('line-fill').value;
+
+ if (lineFill === 'linear-gradient' || lineFill === 'radial-gradient') {
+ this.gradientStrokeStyle(context, ele, lineFill, opacity);
+ } else {
+ let lineColor = ele.pstyle('line-color').value;
+ this.colorStrokeStyle( context, lineColor[0], lineColor[1], lineColor[2], opacity );
+ }
+};
+
+// Resize canvas
+CRp.matchCanvasSize = function( container ){
+ var r = this;
+ var data = r.data;
+ var bb = r.findContainerClientCoords();
+ var width = bb[2];
+ var height = bb[3];
+ var pixelRatio = r.getPixelRatio();
+ var mbPxRatio = r.motionBlurPxRatio;
+
+ if(
+ container === r.data.bufferCanvases[ r.MOTIONBLUR_BUFFER_NODE ] ||
+ container === r.data.bufferCanvases[ r.MOTIONBLUR_BUFFER_DRAG ]
+ ){
+ pixelRatio = mbPxRatio;
+ }
+
+ var canvasWidth = width * pixelRatio;
+ var canvasHeight = height * pixelRatio;
+ var canvas;
+
+ if( canvasWidth === r.canvasWidth && canvasHeight === r.canvasHeight ){
+ return; // save cycles if same
+ }
+
+ r.fontCaches = null; // resizing resets the style
+
+ var canvasContainer = data.canvasContainer;
+ canvasContainer.style.width = width + 'px';
+ canvasContainer.style.height = height + 'px';
+
+ for( var i = 0; i < r.CANVAS_LAYERS; i++ ){
+ canvas = data.canvases[ i ];
+
+ canvas.width = canvasWidth;
+ canvas.height = canvasHeight;
+
+ canvas.style.width = width + 'px';
+ canvas.style.height = height + 'px';
+ }
+
+ for( var i = 0; i < r.BUFFER_COUNT; i++ ){
+ canvas = data.bufferCanvases[ i ];
+
+ canvas.width = canvasWidth;
+ canvas.height = canvasHeight;
+
+ canvas.style.width = width + 'px';
+ canvas.style.height = height + 'px';
+ }
+
+ r.textureMult = 1;
+ if( pixelRatio <= 1 ){
+ canvas = data.bufferCanvases[ r.TEXTURE_BUFFER ];
+
+ r.textureMult = 2;
+ canvas.width = canvasWidth * r.textureMult;
+ canvas.height = canvasHeight * r.textureMult;
+ }
+
+ r.canvasWidth = canvasWidth;
+ r.canvasHeight = canvasHeight;
+ r.pixelRatio = pixelRatio;
+};
+
+CRp.renderTo = function( cxt, zoom, pan, pxRatio ){
+ this.render( {
+ forcedContext: cxt,
+ forcedZoom: zoom,
+ forcedPan: pan,
+ drawAllLayers: true,
+ forcedPxRatio: pxRatio
+ } );
+};
+
+CRp.clearCanvas = function(){
+ var r = this;
+ var data = r.data;
+ function clear(context) {
+ context.clearRect(0, 0, r.canvasWidth, r.canvasHeight);
+ }
+ clear(data.contexts[ r.NODE ]);
+ clear(data.contexts[ r.DRAG ]);
+};
+
+
+CRp.render = function( options ){
+ var r = this;
+ options = options || util.staticEmptyObject();
+
+ var cy = r.cy;
+
+ var forcedContext = options.forcedContext;
+ var drawAllLayers = options.drawAllLayers;
+ var drawOnlyNodeLayer = options.drawOnlyNodeLayer;
+ var forcedZoom = options.forcedZoom;
+ var forcedPan = options.forcedPan;
+ var pixelRatio = options.forcedPxRatio === undefined ? this.getPixelRatio() : options.forcedPxRatio;
+ var data = r.data;
+ var needDraw = data.canvasNeedsRedraw;
+ var textureDraw = r.textureOnViewport && !forcedContext && (r.pinching || r.hoverData.dragging || r.swipePanning || r.data.wheelZooming);
+ var motionBlur = options.motionBlur !== undefined ? options.motionBlur : r.motionBlur;
+ var mbPxRatio = r.motionBlurPxRatio;
+ var hasCompoundNodes = cy.hasCompoundNodes();
+ var inNodeDragGesture = r.hoverData.draggingEles;
+ var inBoxSelection = r.hoverData.selecting || r.touchData.selecting ? true : false;
+ motionBlur = motionBlur && !forcedContext && r.motionBlurEnabled && !inBoxSelection;
+ var motionBlurFadeEffect = motionBlur;
+
+ if( !forcedContext ){
+ if( r.prevPxRatio !== pixelRatio ){
+ r.invalidateContainerClientCoordsCache();
+ r.matchCanvasSize( r.container );
+
+ r.redrawHint('eles', true);
+ r.redrawHint('drag', true);
+ }
+
+ r.prevPxRatio = pixelRatio;
+ }
+
+ if( !forcedContext && r.motionBlurTimeout ){
+ clearTimeout( r.motionBlurTimeout );
+ }
+
+ if( motionBlur ){
+ if( r.mbFrames == null ){
+ r.mbFrames = 0;
+ }
+
+ r.mbFrames++;
+
+ if( r.mbFrames < 3 ){ // need several frames before even high quality motionblur
+ motionBlurFadeEffect = false;
+ }
+
+ // go to lower quality blurry frames when several m/b frames have been rendered (avoids flashing)
+ if( r.mbFrames > r.minMbLowQualFrames ){
+ //r.fullQualityMb = false;
+ r.motionBlurPxRatio = r.mbPxRBlurry;
+ }
+ }
+
+ if( r.clearingMotionBlur ){
+ r.motionBlurPxRatio = 1;
+ }
+
+ // b/c drawToContext() may be async w.r.t. redraw(), keep track of last texture frame
+ // because a rogue async texture frame would clear needDraw
+ if( r.textureDrawLastFrame && !textureDraw ){
+ needDraw[ r.NODE ] = true;
+ needDraw[ r.SELECT_BOX ] = true;
+ }
+
+ var style = cy.style();
+
+ var zoom = cy.zoom();
+ var effectiveZoom = forcedZoom !== undefined ? forcedZoom : zoom;
+ var pan = cy.pan();
+ var effectivePan = {
+ x: pan.x,
+ y: pan.y
+ };
+
+ var vp = {
+ zoom: zoom,
+ pan: {
+ x: pan.x,
+ y: pan.y
+ }
+ };
+ var prevVp = r.prevViewport;
+ var viewportIsDiff = prevVp === undefined || vp.zoom !== prevVp.zoom || vp.pan.x !== prevVp.pan.x || vp.pan.y !== prevVp.pan.y;
+
+ // we want the low quality motionblur only when the viewport is being manipulated etc (where it's not noticed)
+ if( !viewportIsDiff && !(inNodeDragGesture && !hasCompoundNodes) ){
+ r.motionBlurPxRatio = 1;
+ }
+
+ if( forcedPan ){
+ effectivePan = forcedPan;
+ }
+
+ // apply pixel ratio
+
+ effectiveZoom *= pixelRatio;
+ effectivePan.x *= pixelRatio;
+ effectivePan.y *= pixelRatio;
+
+ var eles = r.getCachedZSortedEles();
+
+ function mbclear( context, x, y, w, h ){
+ var gco = context.globalCompositeOperation;
+
+ context.globalCompositeOperation = 'destination-out';
+ r.colorFillStyle( context, 255, 255, 255, r.motionBlurTransparency );
+ context.fillRect( x, y, w, h );
+
+ context.globalCompositeOperation = gco;
+ }
+
+ function setContextTransform( context, clear ){
+ var ePan, eZoom, w, h;
+
+ if( !r.clearingMotionBlur && (context === data.bufferContexts[ r.MOTIONBLUR_BUFFER_NODE ] || context === data.bufferContexts[ r.MOTIONBLUR_BUFFER_DRAG ]) ){
+ ePan = {
+ x: pan.x * mbPxRatio,
+ y: pan.y * mbPxRatio
+ };
+
+ eZoom = zoom * mbPxRatio;
+
+ w = r.canvasWidth * mbPxRatio;
+ h = r.canvasHeight * mbPxRatio;
+ } else {
+ ePan = effectivePan;
+ eZoom = effectiveZoom;
+
+ w = r.canvasWidth;
+ h = r.canvasHeight;
+ }
+
+ context.setTransform( 1, 0, 0, 1, 0, 0 );
+
+ if( clear === 'motionBlur' ){
+ mbclear( context, 0, 0, w, h );
+ } else if( !forcedContext && (clear === undefined || clear) ){
+ context.clearRect( 0, 0, w, h );
+ }
+
+ if( !drawAllLayers ){
+ context.translate( ePan.x, ePan.y );
+ context.scale( eZoom, eZoom );
+ }
+ if( forcedPan ){
+ context.translate( forcedPan.x, forcedPan.y );
+ }
+ if( forcedZoom ){
+ context.scale( forcedZoom, forcedZoom );
+ }
+ }
+
+ if( !textureDraw ){
+ r.textureDrawLastFrame = false;
+ }
+
+ if( textureDraw ){
+ r.textureDrawLastFrame = true;
+
+ if( !r.textureCache ){
+ r.textureCache = {};
+
+ r.textureCache.bb = cy.mutableElements().boundingBox();
+
+ r.textureCache.texture = r.data.bufferCanvases[ r.TEXTURE_BUFFER ];
+
+ var cxt = r.data.bufferContexts[ r.TEXTURE_BUFFER ];
+
+ cxt.setTransform( 1, 0, 0, 1, 0, 0 );
+ cxt.clearRect( 0, 0, r.canvasWidth * r.textureMult, r.canvasHeight * r.textureMult );
+
+ r.render( {
+ forcedContext: cxt,
+ drawOnlyNodeLayer: true,
+ forcedPxRatio: pixelRatio * r.textureMult
+ } );
+
+ var vp = r.textureCache.viewport = {
+ zoom: cy.zoom(),
+ pan: cy.pan(),
+ width: r.canvasWidth,
+ height: r.canvasHeight
+ };
+
+ vp.mpan = {
+ x: (0 - vp.pan.x) / vp.zoom,
+ y: (0 - vp.pan.y) / vp.zoom
+ };
+ }
+
+ needDraw[ r.DRAG ] = false;
+ needDraw[ r.NODE ] = false;
+
+ var context = data.contexts[ r.NODE ];
+
+ var texture = r.textureCache.texture;
+ var vp = r.textureCache.viewport;
+
+ context.setTransform( 1, 0, 0, 1, 0, 0 );
+
+ if( motionBlur ){
+ mbclear( context, 0, 0, vp.width, vp.height );
+ } else {
+ context.clearRect( 0, 0, vp.width, vp.height );
+ }
+
+ var outsideBgColor = style.core( 'outside-texture-bg-color' ).value;
+ var outsideBgOpacity = style.core( 'outside-texture-bg-opacity' ).value;
+ r.colorFillStyle( context, outsideBgColor[0], outsideBgColor[1], outsideBgColor[2], outsideBgOpacity );
+ context.fillRect( 0, 0, vp.width, vp.height );
+
+ var zoom = cy.zoom();
+
+ setContextTransform( context, false );
+
+ context.clearRect( vp.mpan.x, vp.mpan.y, vp.width / vp.zoom / pixelRatio, vp.height / vp.zoom / pixelRatio );
+ context.drawImage( texture, vp.mpan.x, vp.mpan.y, vp.width / vp.zoom / pixelRatio, vp.height / vp.zoom / pixelRatio );
+
+ } else if( r.textureOnViewport && !forcedContext ){ // clear the cache since we don't need it
+ r.textureCache = null;
+ }
+
+ var extent = cy.extent();
+ var vpManip = (r.pinching || r.hoverData.dragging || r.swipePanning || r.data.wheelZooming || r.hoverData.draggingEles || r.cy.animated());
+ var hideEdges = r.hideEdgesOnViewport && vpManip;
+
+ var needMbClear = [];
+
+ needMbClear[ r.NODE ] = !needDraw[ r.NODE ] && motionBlur && !r.clearedForMotionBlur[ r.NODE ] || r.clearingMotionBlur;
+ if( needMbClear[ r.NODE ] ){ r.clearedForMotionBlur[ r.NODE ] = true; }
+
+ needMbClear[ r.DRAG ] = !needDraw[ r.DRAG ] && motionBlur && !r.clearedForMotionBlur[ r.DRAG ] || r.clearingMotionBlur;
+ if( needMbClear[ r.DRAG ] ){ r.clearedForMotionBlur[ r.DRAG ] = true; }
+
+ if( needDraw[ r.NODE ] || drawAllLayers || drawOnlyNodeLayer || needMbClear[ r.NODE ] ){
+ var useBuffer = motionBlur && !needMbClear[ r.NODE ] && mbPxRatio !== 1;
+ var context = forcedContext || ( useBuffer ? r.data.bufferContexts[ r.MOTIONBLUR_BUFFER_NODE ] : data.contexts[ r.NODE ] );
+ var clear = motionBlur && !useBuffer ? 'motionBlur' : undefined;
+
+ setContextTransform( context, clear );
+
+ if( hideEdges ){
+ r.drawCachedNodes( context, eles.nondrag, pixelRatio, extent );
+ } else {
+ r.drawLayeredElements( context, eles.nondrag, pixelRatio, extent );
+ }
+
+ if( r.debug ){
+ r.drawDebugPoints( context, eles.nondrag );
+ }
+
+ if( !drawAllLayers && !motionBlur ){
+ needDraw[ r.NODE ] = false;
+ }
+ }
+
+ if( !drawOnlyNodeLayer && (needDraw[ r.DRAG ] || drawAllLayers || needMbClear[ r.DRAG ]) ){
+ var useBuffer = motionBlur && !needMbClear[ r.DRAG ] && mbPxRatio !== 1;
+ var context = forcedContext || ( useBuffer ? r.data.bufferContexts[ r.MOTIONBLUR_BUFFER_DRAG ] : data.contexts[ r.DRAG ] );
+
+ setContextTransform( context, motionBlur && !useBuffer ? 'motionBlur' : undefined );
+
+ if( hideEdges ){
+ r.drawCachedNodes( context, eles.drag, pixelRatio, extent );
+ } else {
+ r.drawCachedElements( context, eles.drag, pixelRatio, extent );
+ }
+
+ if( r.debug ){
+ r.drawDebugPoints( context, eles.drag );
+ }
+
+ if( !drawAllLayers && !motionBlur ){
+ needDraw[ r.DRAG ] = false;
+ }
+ }
+
+ this.drawSelectionRectangle(options, setContextTransform);
+
+ // motionblur: blit rendered blurry frames
+ if( motionBlur && mbPxRatio !== 1 ){
+ var cxtNode = data.contexts[ r.NODE ];
+ var txtNode = r.data.bufferCanvases[ r.MOTIONBLUR_BUFFER_NODE ];
+
+ var cxtDrag = data.contexts[ r.DRAG ];
+ var txtDrag = r.data.bufferCanvases[ r.MOTIONBLUR_BUFFER_DRAG ];
+
+ var drawMotionBlur = function( cxt, txt, needClear ){
+ cxt.setTransform( 1, 0, 0, 1, 0, 0 );
+
+ if( needClear || !motionBlurFadeEffect ){
+ cxt.clearRect( 0, 0, r.canvasWidth, r.canvasHeight );
+ } else {
+ mbclear( cxt, 0, 0, r.canvasWidth, r.canvasHeight );
+ }
+
+ var pxr = mbPxRatio;
+
+ cxt.drawImage(
+ txt, // img
+ 0, 0, // sx, sy
+ r.canvasWidth * pxr, r.canvasHeight * pxr, // sw, sh
+ 0, 0, // x, y
+ r.canvasWidth, r.canvasHeight // w, h
+ );
+ };
+
+ if( needDraw[ r.NODE ] || needMbClear[ r.NODE ] ){
+ drawMotionBlur( cxtNode, txtNode, needMbClear[ r.NODE ] );
+ needDraw[ r.NODE ] = false;
+ }
+
+ if( needDraw[ r.DRAG ] || needMbClear[ r.DRAG ] ){
+ drawMotionBlur( cxtDrag, txtDrag, needMbClear[ r.DRAG ] );
+ needDraw[ r.DRAG ] = false;
+ }
+ }
+
+ r.prevViewport = vp;
+
+ if( r.clearingMotionBlur ){
+ r.clearingMotionBlur = false;
+ r.motionBlurCleared = true;
+ r.motionBlur = true;
+ }
+
+ if( motionBlur ){
+ r.motionBlurTimeout = setTimeout( function(){
+ r.motionBlurTimeout = null;
+
+ r.clearedForMotionBlur[ r.NODE ] = false;
+ r.clearedForMotionBlur[ r.DRAG ] = false;
+ r.motionBlur = false;
+ r.clearingMotionBlur = !textureDraw;
+ r.mbFrames = 0;
+
+ needDraw[ r.NODE ] = true;
+ needDraw[ r.DRAG ] = true;
+
+ r.redraw();
+ }, motionBlurDelay );
+ }
+
+ if( !forcedContext ){
+ cy.emit('render');
+ }
+
+};
+
+let fpsHeight;
+
+CRp.drawSelectionRectangle = function(options, setContextTransform) {
+ const r = this;
+ const cy = r.cy;
+ const data = r.data;
+ const style = cy.style();
+
+ const drawOnlyNodeLayer = options.drawOnlyNodeLayer;
+ const drawAllLayers = options.drawAllLayers;
+ const needDraw = data.canvasNeedsRedraw;
+ const forcedContext = options.forcedContext;
+
+ if( r.showFps || (!drawOnlyNodeLayer && (needDraw[ r.SELECT_BOX ] && !drawAllLayers)) ){
+ var context = forcedContext || data.contexts[ r.SELECT_BOX ];
+
+ setContextTransform( context );
+
+ if( r.selection[4] == 1 && ( r.hoverData.selecting || r.touchData.selecting ) ){
+ var zoom = r.cy.zoom();
+ var borderWidth = style.core( 'selection-box-border-width' ).value / zoom;
+
+ context.lineWidth = borderWidth;
+ context.fillStyle = 'rgba('
+ + style.core( 'selection-box-color' ).value[0] + ','
+ + style.core( 'selection-box-color' ).value[1] + ','
+ + style.core( 'selection-box-color' ).value[2] + ','
+ + style.core( 'selection-box-opacity' ).value + ')';
+
+ context.fillRect(
+ r.selection[0],
+ r.selection[1],
+ r.selection[2] - r.selection[0],
+ r.selection[3] - r.selection[1] );
+
+ if( borderWidth > 0 ){
+ context.strokeStyle = 'rgba('
+ + style.core( 'selection-box-border-color' ).value[0] + ','
+ + style.core( 'selection-box-border-color' ).value[1] + ','
+ + style.core( 'selection-box-border-color' ).value[2] + ','
+ + style.core( 'selection-box-opacity' ).value + ')';
+
+ context.strokeRect(
+ r.selection[0],
+ r.selection[1],
+ r.selection[2] - r.selection[0],
+ r.selection[3] - r.selection[1] );
+ }
+ }
+
+ if( data.bgActivePosistion && !r.hoverData.selecting ){
+ var zoom = r.cy.zoom();
+ var pos = data.bgActivePosistion;
+
+ context.fillStyle = 'rgba('
+ + style.core( 'active-bg-color' ).value[0] + ','
+ + style.core( 'active-bg-color' ).value[1] + ','
+ + style.core( 'active-bg-color' ).value[2] + ','
+ + style.core( 'active-bg-opacity' ).value + ')';
+
+ context.beginPath();
+ context.arc( pos.x, pos.y, style.core( 'active-bg-size' ).pfValue / zoom, 0, 2 * Math.PI );
+ context.fill();
+ }
+
+ var timeToRender = r.lastRedrawTime;
+ if( r.showFps && timeToRender ){
+ timeToRender = Math.round( timeToRender );
+ var fps = Math.round( 1000 / timeToRender );
+ const text = '1 frame = ' + timeToRender + ' ms = ' + fps + ' fps';
+
+ context.setTransform( 1, 0, 0, 1, 0, 0 );
+
+ context.fillStyle = 'rgba(255, 0, 0, 0.75)';
+ context.strokeStyle = 'rgba(255, 0, 0, 0.75)';
+ // context.lineWidth = 1;
+ context.font = '30px Arial';
+ if(!fpsHeight) {
+ const dims = context.measureText(text);
+ fpsHeight = dims.actualBoundingBoxAscent;
+ }
+ context.fillText( text, 0, fpsHeight );
+
+ var maxFps = 60;
+ context.strokeRect( 0, fpsHeight + 10, 250, 20 );
+ context.fillRect( 0, fpsHeight + 10, 250 * Math.min( fps / maxFps, 1 ), 20 );
+ }
+
+ if( !drawAllLayers ){
+ needDraw[ r.SELECT_BOX ] = false;
+ }
+ }
+};
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-shapes.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-shapes.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..a162b9e0c783bf311044036afdecee68bd660b54
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/drawing-shapes.mjs
@@ -0,0 +1,175 @@
+import * as math from '../../../math.mjs';
+import * as round from '../../../round.mjs';
+
+var CRp = {};
+
+// @O Polygon drawing
+CRp.drawPolygonPath = function(
+ context, x, y, width, height, points ){
+
+ var halfW = width / 2;
+ var halfH = height / 2;
+
+ if( context.beginPath ){ context.beginPath(); }
+
+ context.moveTo( x + halfW * points[0], y + halfH * points[1] );
+
+ for( var i = 1; i < points.length / 2; i++ ){
+ context.lineTo( x + halfW * points[ i * 2], y + halfH * points[ i * 2 + 1] );
+ }
+
+ context.closePath();
+};
+
+CRp.drawRoundPolygonPath = function(
+ context, x, y, width, height, points, corners ){
+ corners.forEach( corner => round.drawPreparedRoundCorner( context, corner ) );
+ context.closePath();
+};
+
+// Round rectangle drawing
+CRp.drawRoundRectanglePath = function(
+ context, x, y, width, height, radius){
+
+ var halfWidth = width / 2;
+ var halfHeight = height / 2;
+ var cornerRadius = radius === 'auto' ? math.getRoundRectangleRadius( width, height ) : Math.min(radius, halfHeight, halfWidth);
+
+ if( context.beginPath ){ context.beginPath(); }
+
+ // Start at top middle
+ context.moveTo( x, y - halfHeight );
+ // Arc from middle top to right side
+ context.arcTo( x + halfWidth, y - halfHeight, x + halfWidth, y, cornerRadius );
+ // Arc from right side to bottom
+ context.arcTo( x + halfWidth, y + halfHeight, x, y + halfHeight, cornerRadius );
+ // Arc from bottom to left side
+ context.arcTo( x - halfWidth, y + halfHeight, x - halfWidth, y, cornerRadius );
+ // Arc from left side to topBorder
+ context.arcTo( x - halfWidth, y - halfHeight, x, y - halfHeight, cornerRadius );
+ // Join line
+ context.lineTo( x, y - halfHeight );
+
+
+ context.closePath();
+};
+
+CRp.drawBottomRoundRectanglePath = function(
+ context, x, y, width, height, radius){
+
+ var halfWidth = width / 2;
+ var halfHeight = height / 2;
+ var cornerRadius = radius === 'auto' ? math.getRoundRectangleRadius( width, height ) : radius;
+
+ if( context.beginPath ){ context.beginPath(); }
+
+ // Start at top middle
+ context.moveTo( x, y - halfHeight );
+ context.lineTo( x + halfWidth, y - halfHeight );
+ context.lineTo( x + halfWidth, y );
+
+ context.arcTo( x + halfWidth, y + halfHeight, x, y + halfHeight, cornerRadius);
+ context.arcTo( x - halfWidth, y + halfHeight, x - halfWidth, y, cornerRadius );
+
+ context.lineTo( x - halfWidth, y - halfHeight );
+ context.lineTo( x, y - halfHeight );
+
+ context.closePath();
+};
+
+CRp.drawCutRectanglePath = function(
+ context, x, y, width, height, points, corners ){
+
+ var halfWidth = width / 2;
+ var halfHeight = height / 2;
+ var cornerLength = corners === 'auto' ? math.getCutRectangleCornerLength() : corners;
+
+ if( context.beginPath ){ context.beginPath(); }
+
+ context.moveTo( x - halfWidth + cornerLength, y - halfHeight );
+
+ context.lineTo( x + halfWidth - cornerLength, y - halfHeight );
+ context.lineTo( x + halfWidth, y - halfHeight + cornerLength );
+ context.lineTo( x + halfWidth, y + halfHeight - cornerLength );
+ context.lineTo( x + halfWidth - cornerLength, y + halfHeight );
+ context.lineTo( x - halfWidth + cornerLength, y + halfHeight );
+ context.lineTo( x - halfWidth, y + halfHeight - cornerLength );
+ context.lineTo( x - halfWidth, y - halfHeight + cornerLength );
+
+ context.closePath();
+};
+
+CRp.drawBarrelPath = function(
+ context, x, y, width, height ){
+
+ var halfWidth = width / 2;
+ var halfHeight = height / 2;
+
+ var xBegin = x - halfWidth;
+ var xEnd = x + halfWidth;
+ var yBegin = y - halfHeight;
+ var yEnd = y + halfHeight;
+
+ var barrelCurveConstants = math.getBarrelCurveConstants( width, height );
+ var wOffset = barrelCurveConstants.widthOffset;
+ var hOffset = barrelCurveConstants.heightOffset;
+ var ctrlPtXOffset = barrelCurveConstants.ctrlPtOffsetPct * wOffset;
+
+ if( context.beginPath ){ context.beginPath(); }
+
+ context.moveTo( xBegin, yBegin + hOffset );
+
+ context.lineTo( xBegin, yEnd - hOffset );
+ context.quadraticCurveTo( xBegin + ctrlPtXOffset, yEnd, xBegin + wOffset, yEnd );
+
+ context.lineTo( xEnd - wOffset, yEnd );
+ context.quadraticCurveTo( xEnd - ctrlPtXOffset, yEnd, xEnd, yEnd - hOffset );
+
+ context.lineTo( xEnd, yBegin + hOffset );
+ context.quadraticCurveTo( xEnd - ctrlPtXOffset, yBegin, xEnd - wOffset, yBegin );
+
+ context.lineTo( xBegin + wOffset, yBegin );
+ context.quadraticCurveTo( xBegin + ctrlPtXOffset, yBegin, xBegin, yBegin + hOffset );
+
+ context.closePath();
+};
+
+
+var sin0 = Math.sin( 0 );
+var cos0 = Math.cos( 0 );
+
+var sin = {};
+var cos = {};
+
+var ellipseStepSize = Math.PI / 40;
+
+for( var i = 0 * Math.PI; i < 2 * Math.PI; i += ellipseStepSize ){
+ sin[ i ] = Math.sin( i );
+ cos[ i ] = Math.cos( i );
+}
+
+CRp.drawEllipsePath = function( context, centerX, centerY, width, height ){
+ if( context.beginPath ){ context.beginPath(); }
+
+ if( context.ellipse ){
+ context.ellipse( centerX, centerY, width / 2, height / 2, 0, 0, 2 * Math.PI );
+ } else {
+ var xPos, yPos;
+ var rw = width / 2;
+ var rh = height / 2;
+ for( var i = 0 * Math.PI; i < 2 * Math.PI; i += ellipseStepSize ){
+ xPos = centerX - (rw * sin[ i ]) * sin0 + (rw * cos[ i ]) * cos0;
+ yPos = centerY + (rh * cos[ i ]) * sin0 + (rh * sin[ i ]) * cos0;
+
+ if( i === 0 ){
+ context.moveTo( xPos, yPos );
+ } else {
+ context.lineTo( xPos, yPos );
+ }
+ }
+ }
+
+ context.closePath();
+ };
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/ele-texture-cache-lookup.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/ele-texture-cache-lookup.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..4f3b2b209058b7fcc73a8f4c4de3fb7a86eff82e
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/ele-texture-cache-lookup.mjs
@@ -0,0 +1,178 @@
+import Map from '../../../map.mjs';
+import Set from'../../../set.mjs';
+import * as util from '../../../util/index.mjs';
+
+// Allows lookups for (ele, lvl) => cache.
+// Uses keys so elements may share the same cache.
+class ElementTextureCacheLookup {
+ constructor(getKey, doesEleInvalidateKey = util.falsify){
+ this.idsByKey = new Map();
+ this.keyForId = new Map();
+ this.cachesByLvl = new Map();
+ this.lvls = [];
+ this.getKey = getKey;
+ this.doesEleInvalidateKey = doesEleInvalidateKey;
+ }
+
+ getIdsFor(key){
+ if( key == null ){
+ util.error(`Can not get id list for null key`);
+ }
+
+ let { idsByKey } = this;
+ let ids = this.idsByKey.get(key);
+
+ if( !ids ){
+ ids = new Set();
+
+ idsByKey.set(key, ids);
+ }
+
+ return ids;
+ }
+
+ addIdForKey(key, id){
+ if( key != null ){
+ this.getIdsFor(key).add(id);
+ }
+ }
+
+ deleteIdForKey(key, id){
+ if( key != null ){
+ this.getIdsFor(key).delete(id);
+ }
+ }
+
+ getNumberOfIdsForKey(key){
+ if( key == null ){
+ return 0;
+ } else {
+ return this.getIdsFor(key).size;
+ }
+ }
+
+ updateKeyMappingFor(ele){
+ let id = ele.id();
+ let prevKey = this.keyForId.get(id);
+ let currKey = this.getKey(ele);
+
+ this.deleteIdForKey(prevKey, id);
+
+ this.addIdForKey(currKey, id);
+
+ this.keyForId.set(id, currKey);
+ }
+
+ deleteKeyMappingFor(ele){
+ let id = ele.id();
+ let prevKey = this.keyForId.get(id);
+
+ this.deleteIdForKey(prevKey, id);
+
+ this.keyForId.delete(id);
+ }
+
+ keyHasChangedFor(ele){
+ let id = ele.id();
+ let prevKey = this.keyForId.get(id);
+ let newKey = this.getKey(ele);
+
+ return prevKey !== newKey;
+ }
+
+ isInvalid(ele){
+ return this.keyHasChangedFor(ele) || this.doesEleInvalidateKey(ele);
+ }
+
+ getCachesAt(lvl){
+ let { cachesByLvl, lvls } = this;
+ let caches = cachesByLvl.get(lvl);
+
+ if( !caches ){
+ caches = new Map();
+
+ cachesByLvl.set(lvl, caches);
+ lvls.push(lvl);
+ }
+
+ return caches;
+ }
+
+ getCache(key, lvl){
+ return this.getCachesAt(lvl).get(key);
+ }
+
+ get(ele, lvl){
+ let key = this.getKey(ele);
+ let cache = this.getCache(key, lvl);
+
+ // getting for an element may need to add to the id list b/c eles can share keys
+ if( cache != null ){
+ this.updateKeyMappingFor(ele);
+ }
+
+ return cache;
+ }
+
+ getForCachedKey(ele, lvl){
+ let key = this.keyForId.get(ele.id()); // n.b. use cached key, not newly computed key
+ let cache = this.getCache(key, lvl);
+
+ return cache;
+ }
+
+ hasCache(key, lvl){
+ return this.getCachesAt(lvl).has(key);
+ }
+
+ has(ele, lvl){
+ let key = this.getKey(ele);
+
+ return this.hasCache(key, lvl);
+ }
+
+ setCache(key, lvl, cache){
+ cache.key = key;
+
+ this.getCachesAt(lvl).set(key, cache);
+ }
+
+ set(ele, lvl, cache){
+ let key = this.getKey(ele);
+
+ this.setCache(key, lvl, cache);
+ this.updateKeyMappingFor(ele);
+ }
+
+ deleteCache(key, lvl){
+ this.getCachesAt(lvl).delete(key);
+ }
+
+ delete(ele, lvl){
+ let key = this.getKey(ele);
+
+ this.deleteCache(key, lvl);
+ }
+
+ invalidateKey(key){
+ this.lvls.forEach( lvl => this.deleteCache(key, lvl) );
+ }
+
+ // returns true if no other eles reference the invalidated cache (n.b. other eles may need the cache with the same key)
+ invalidate(ele){
+ let id = ele.id();
+ let key = this.keyForId.get(id); // n.b. use stored key rather than current (potential key)
+
+ this.deleteKeyMappingFor(ele);
+
+ let entireKeyInvalidated = this.doesEleInvalidateKey(ele);
+
+ if( entireKeyInvalidated ){ // clear mapping for current key
+ this.invalidateKey(key);
+ }
+
+ return entireKeyInvalidated || this.getNumberOfIdsForKey(key) === 0;
+ }
+}
+
+export default ElementTextureCacheLookup;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/ele-texture-cache.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/ele-texture-cache.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..204f9352a2bf0a75c8623e2fbca6b809d10ec85b
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/ele-texture-cache.mjs
@@ -0,0 +1,555 @@
+import * as math from '../../../math.mjs';
+import { trueify, falsify, removeFromArray, clearArray, MAX_INT, assign, defaults } from '../../../util/index.mjs';
+import Heap from '../../../heap.mjs';
+import defs from './texture-cache-defs.mjs';
+import ElementTextureCacheLookup from './ele-texture-cache-lookup.mjs';
+
+const minTxrH = 25; // the size of the texture cache for small height eles (special case)
+const txrStepH = 50; // the min size of the regular cache, and the size it increases with each step up
+const minLvl = -4; // when scaling smaller than that we don't need to re-render
+export const maxLvl = 3; // when larger than this scale just render directly (caching is not helpful)
+export const maxZoom = 7.99; // beyond this zoom level, layered textures are not used
+const eleTxrSpacing = 8; // spacing between elements on textures to avoid blitting overlaps
+const defTxrWidth = 1024; // default/minimum texture width
+const maxTxrW = 1024; // the maximum width of a texture
+const maxTxrH = 1024; // the maximum height of a texture
+const minUtility = 0.2; // if usage of texture is less than this, it is retired
+const maxFullness = 0.8; // fullness of texture after which queue removal is checked
+const maxFullnessChecks = 10; // dequeued after this many checks
+const deqCost = 0.15; // % of add'l rendering cost allowed for dequeuing ele caches each frame
+const deqAvgCost = 0.1; // % of add'l rendering cost compared to average overall redraw time
+const deqNoDrawCost = 0.9; // % of avg frame time that can be used for dequeueing when not drawing
+const deqFastCost = 0.9; // % of frame time to be used when >60fps
+const deqRedrawThreshold = 100; // time to batch redraws together from dequeueing to allow more dequeueing calcs to happen in the meanwhile
+const maxDeqSize = 1; // number of eles to dequeue and render at higher texture in each batch
+
+const getTxrReasons = {
+ dequeue: 'dequeue',
+ downscale: 'downscale',
+ highQuality: 'highQuality'
+};
+
+const initDefaults = defaults({
+ getKey: null,
+ doesEleInvalidateKey: falsify,
+ drawElement: null,
+ getBoundingBox: null,
+ getRotationPoint: null,
+ getRotationOffset: null,
+ isVisible: trueify,
+ allowEdgeTxrCaching: true,
+ allowParentTxrCaching: true
+});
+
+const ElementTextureCache = function( renderer, initOptions ){
+ let self = this;
+
+ self.renderer = renderer;
+ self.onDequeues = [];
+
+ let opts = initDefaults(initOptions);
+
+ assign(self, opts);
+
+ self.lookup = new ElementTextureCacheLookup(opts.getKey, opts.doesEleInvalidateKey);
+
+ self.setupDequeueing();
+};
+
+const ETCp = ElementTextureCache.prototype;
+
+ETCp.reasons = getTxrReasons;
+
+// the list of textures in which new subtextures for elements can be placed
+ETCp.getTextureQueue = function( txrH ){
+ let self = this;
+ self.eleImgCaches = self.eleImgCaches || {};
+
+ return ( self.eleImgCaches[ txrH ] = self.eleImgCaches[ txrH ] || [] );
+};
+
+// the list of usused textures which can be recycled (in use in texture queue)
+ETCp.getRetiredTextureQueue = function( txrH ){
+ let self = this;
+
+ let rtxtrQs = self.eleImgCaches.retired = self.eleImgCaches.retired || {};
+ let rtxtrQ = rtxtrQs[ txrH ] = rtxtrQs[ txrH ] || [];
+
+ return rtxtrQ;
+};
+
+// queue of element draw requests at different scale levels
+ETCp.getElementQueue = function(){
+ let self = this;
+
+ let q = self.eleCacheQueue = self.eleCacheQueue || new Heap(function( a, b ){
+ return b.reqs - a.reqs;
+ });
+
+ return q;
+};
+
+// queue of element draw requests at different scale levels (element id lookup)
+ETCp.getElementKeyToQueue = function(){
+ let self = this;
+
+ let k2q = self.eleKeyToCacheQueue = self.eleKeyToCacheQueue || {};
+
+ return k2q;
+};
+
+ETCp.getElement = function( ele, bb, pxRatio, lvl, reason ){
+ let self = this;
+ let r = this.renderer;
+ let zoom = r.cy.zoom();
+ let lookup = this.lookup;
+
+ if( !bb || bb.w === 0 || bb.h === 0 || isNaN(bb.w) || isNaN(bb.h) || !ele.visible() || ele.removed() ){ return null; }
+
+ if(
+ ( !self.allowEdgeTxrCaching && ele.isEdge() )
+ || ( !self.allowParentTxrCaching && ele.isParent() )
+ ){
+ return null;
+ }
+
+ if( lvl == null ){
+ lvl = Math.ceil( math.log2( zoom * pxRatio ) );
+ }
+
+ if( lvl < minLvl ){
+ lvl = minLvl;
+ } else if( zoom >= maxZoom || lvl > maxLvl ){
+ return null;
+ }
+
+ let scale = Math.pow( 2, lvl );
+ let eleScaledH = bb.h * scale;
+ let eleScaledW = bb.w * scale;
+ let scaledLabelShown = r.eleTextBiggerThanMin( ele, scale );
+
+ if( !this.isVisible(ele, scaledLabelShown) ){ return null; }
+
+ let eleCache = lookup.get( ele, lvl );
+
+ // if this get was on an unused/invalidated cache, then restore the texture usage metric
+ if( eleCache && eleCache.invalidated ){
+ eleCache.invalidated = false;
+ eleCache.texture.invalidatedWidth -= eleCache.width;
+ }
+
+ if( eleCache ){
+ return eleCache;
+ }
+
+ let txrH; // which texture height this ele belongs to
+
+ if( eleScaledH <= minTxrH ){
+ txrH = minTxrH;
+ } else if( eleScaledH <= txrStepH ){
+ txrH = txrStepH;
+ } else {
+ txrH = Math.ceil( eleScaledH / txrStepH ) * txrStepH;
+ }
+
+ if( eleScaledH > maxTxrH || eleScaledW > maxTxrW ){
+ return null; // caching large elements is not efficient
+ }
+
+ let txrQ = self.getTextureQueue( txrH );
+
+ // first try the second last one in case it has space at the end
+ let txr = txrQ[ txrQ.length - 2 ];
+
+ let addNewTxr = function(){
+ return self.recycleTexture( txrH, eleScaledW ) || self.addTexture( txrH, eleScaledW );
+ };
+
+ // try the last one if there is no second last one
+ if( !txr ){
+ txr = txrQ[ txrQ.length - 1 ];
+ }
+
+ // if the last one doesn't exist, we need a first one
+ if( !txr ){
+ txr = addNewTxr();
+ }
+
+ // if there's no room in the current texture, we need a new one
+ if( txr.width - txr.usedWidth < eleScaledW ){
+ txr = addNewTxr();
+ }
+
+ let scalableFrom = function( otherCache ){
+ return otherCache && otherCache.scaledLabelShown === scaledLabelShown;
+ };
+
+ let deqing = reason && reason === getTxrReasons.dequeue;
+ let highQualityReq = reason && reason === getTxrReasons.highQuality;
+ let downscaleReq = reason && reason === getTxrReasons.downscale;
+
+ let higherCache; // the nearest cache with a higher level
+ for( let l = lvl + 1; l <= maxLvl; l++ ){
+ let c = lookup.get( ele, l );
+
+ if( c ){ higherCache = c; break; }
+ }
+
+ let oneUpCache = higherCache && higherCache.level === lvl + 1 ? higherCache : null;
+
+ let downscale = function(){
+ txr.context.drawImage(
+ oneUpCache.texture.canvas,
+ oneUpCache.x, 0,
+ oneUpCache.width, oneUpCache.height,
+ txr.usedWidth, 0,
+ eleScaledW, eleScaledH
+ );
+ };
+
+ // reset ele area in texture
+ txr.context.setTransform( 1, 0, 0, 1, 0, 0 );
+ txr.context.clearRect( txr.usedWidth, 0, eleScaledW, txrH );
+
+ if( scalableFrom(oneUpCache) ){
+ // then we can relatively cheaply rescale the existing image w/o rerendering
+ downscale();
+
+ } else if( scalableFrom(higherCache) ){
+ // then use the higher cache for now and queue the next level down
+ // to cheaply scale towards the smaller level
+
+ if( highQualityReq ){
+ for( let l = higherCache.level; l > lvl; l-- ){
+ oneUpCache = self.getElement( ele, bb, pxRatio, l, getTxrReasons.downscale );
+ }
+
+ downscale();
+
+ } else {
+ self.queueElement( ele, higherCache.level - 1 );
+
+ return higherCache;
+ }
+ } else {
+
+ let lowerCache; // the nearest cache with a lower level
+ if( !deqing && !highQualityReq && !downscaleReq ){
+ for( let l = lvl - 1; l >= minLvl; l-- ){
+ let c = lookup.get( ele, l );
+
+ if( c ){ lowerCache = c; break; }
+ }
+ }
+
+ if( scalableFrom(lowerCache) ){
+ // then use the lower quality cache for now and queue the better one for later
+
+ self.queueElement( ele, lvl );
+
+ return lowerCache;
+ }
+
+ txr.context.translate( txr.usedWidth, 0 );
+ txr.context.scale( scale, scale );
+
+ this.drawElement( txr.context, ele, bb, scaledLabelShown, false );
+
+ txr.context.scale( 1/scale, 1/scale );
+ txr.context.translate( -txr.usedWidth, 0 );
+ }
+
+ eleCache = {
+ x: txr.usedWidth,
+ texture: txr,
+ level: lvl,
+ scale: scale,
+ width: eleScaledW,
+ height: eleScaledH,
+ scaledLabelShown: scaledLabelShown
+ };
+
+ txr.usedWidth += Math.ceil( eleScaledW + eleTxrSpacing );
+
+ txr.eleCaches.push( eleCache );
+
+ lookup.set( ele, lvl, eleCache );
+
+ self.checkTextureFullness( txr );
+
+ return eleCache;
+};
+
+ETCp.invalidateElements = function( eles ){
+ for( let i = 0; i < eles.length; i++ ){
+ this.invalidateElement(eles[i]);
+ }
+};
+
+ETCp.invalidateElement = function( ele ){
+ let self = this;
+ let lookup = self.lookup;
+ let caches = [];
+ let invalid = lookup.isInvalid(ele);
+
+ if( !invalid ){
+ return; // override the invalidation request if the element key has not changed
+ }
+
+ for( let lvl = minLvl; lvl <= maxLvl; lvl++ ){
+ let cache = lookup.getForCachedKey( ele, lvl );
+
+ if( cache ){
+ caches.push( cache );
+ }
+ }
+
+ let noOtherElesUseCache = lookup.invalidate(ele);
+
+ if( noOtherElesUseCache ){
+ for( let i = 0; i < caches.length; i++ ){
+ let cache = caches[i];
+ let txr = cache.texture;
+
+ // remove space from the texture it belongs to
+ txr.invalidatedWidth += cache.width;
+
+ // mark the cache as invalidated
+ cache.invalidated = true;
+
+ // retire the texture if its utility is low
+ self.checkTextureUtility( txr );
+ }
+ }
+
+ // remove from queue since the old req was for the old state
+ self.removeFromQueue( ele );
+};
+
+ETCp.checkTextureUtility = function( txr ){
+ // invalidate all entries in the cache if the cache size is small
+ if( txr.invalidatedWidth >= minUtility * txr.width ){
+ this.retireTexture( txr );
+ }
+};
+
+ETCp.checkTextureFullness = function( txr ){
+ // if texture has been mostly filled and passed over several times, remove
+ // it from the queue so we don't need to waste time looking at it to put new things
+
+ let self = this;
+ let txrQ = self.getTextureQueue( txr.height );
+
+ if( txr.usedWidth / txr.width > maxFullness && txr.fullnessChecks >= maxFullnessChecks ){
+ removeFromArray( txrQ, txr );
+ } else {
+ txr.fullnessChecks++;
+ }
+};
+
+ETCp.retireTexture = function( txr ){
+ let self = this;
+ let txrH = txr.height;
+ let txrQ = self.getTextureQueue( txrH );
+ let lookup = this.lookup;
+
+ // retire the texture from the active / searchable queue:
+
+ removeFromArray( txrQ, txr );
+
+ txr.retired = true;
+
+ // remove the refs from the eles to the caches:
+
+ let eleCaches = txr.eleCaches;
+
+ for( let i = 0; i < eleCaches.length; i++ ){
+ let eleCache = eleCaches[i];
+
+ lookup.deleteCache( eleCache.key, eleCache.level );
+ }
+
+ clearArray( eleCaches );
+
+ // add the texture to a retired queue so it can be recycled in future:
+
+ let rtxtrQ = self.getRetiredTextureQueue( txrH );
+
+ rtxtrQ.push( txr );
+};
+
+ETCp.addTexture = function( txrH, minW ){
+ let self = this;
+ let txrQ = self.getTextureQueue( txrH );
+ let txr = {};
+
+ txrQ.push( txr );
+
+ txr.eleCaches = [];
+
+ txr.height = txrH;
+ txr.width = Math.max( defTxrWidth, minW );
+ txr.usedWidth = 0;
+ txr.invalidatedWidth = 0;
+ txr.fullnessChecks = 0;
+
+ txr.canvas = self.renderer.makeOffscreenCanvas(txr.width, txr.height);
+
+ txr.context = txr.canvas.getContext('2d');
+
+ return txr;
+};
+
+ETCp.recycleTexture = function( txrH, minW ){
+ let self = this;
+ let txrQ = self.getTextureQueue( txrH );
+ let rtxtrQ = self.getRetiredTextureQueue( txrH );
+
+ for( let i = 0; i < rtxtrQ.length; i++ ){
+ let txr = rtxtrQ[i];
+
+ if( txr.width >= minW ){
+ txr.retired = false;
+
+ txr.usedWidth = 0;
+ txr.invalidatedWidth = 0;
+ txr.fullnessChecks = 0;
+
+ clearArray( txr.eleCaches );
+
+ txr.context.setTransform( 1, 0, 0, 1, 0, 0 );
+ txr.context.clearRect( 0, 0, txr.width, txr.height );
+
+ removeFromArray( rtxtrQ, txr );
+ txrQ.push( txr );
+
+ return txr;
+ }
+ }
+};
+
+ETCp.queueElement = function( ele, lvl ){
+ let self = this;
+ let q = self.getElementQueue();
+ let k2q = self.getElementKeyToQueue();
+ let key = this.getKey(ele);
+ let existingReq = k2q[key];
+
+ if( existingReq ){
+ // use the max lvl b/c in between lvls are cheap to make
+ existingReq.level = Math.max( existingReq.level, lvl );
+
+ existingReq.eles.merge(ele);
+
+ existingReq.reqs++;
+
+ q.updateItem( existingReq );
+ } else {
+ let req = {
+ eles: ele.spawn().merge(ele),
+ level: lvl,
+ reqs: 1,
+ key
+ };
+
+ q.push( req );
+
+ k2q[key] = req;
+ }
+};
+
+ETCp.dequeue = function( pxRatio /*, extent*/ ){
+ let self = this;
+ let q = self.getElementQueue();
+ let k2q = self.getElementKeyToQueue();
+ let dequeued = [];
+ let lookup = self.lookup;
+
+ for( let i = 0; i < maxDeqSize; i++ ){
+ if( q.size() > 0 ){
+ let req = q.pop();
+ let key = req.key;
+ let ele = req.eles[0]; // all eles have the same key
+ let cacheExists = lookup.hasCache(ele, req.level);
+
+ // clear out the key to req lookup
+ k2q[key] = null;
+
+ // dequeueing isn't necessary with an existing cache
+ if( cacheExists ){ continue; }
+
+ dequeued.push( req );
+
+ let bb = self.getBoundingBox( ele );
+
+ self.getElement( ele, bb, pxRatio, req.level, getTxrReasons.dequeue );
+ } else {
+ break;
+ }
+ }
+
+ return dequeued;
+};
+
+ETCp.removeFromQueue = function( ele ){
+ let self = this;
+ let q = self.getElementQueue();
+ let k2q = self.getElementKeyToQueue();
+ let key = this.getKey(ele);
+ let req = k2q[key];
+
+ if( req != null ){
+ if( req.eles.length === 1 ){ // remove if last ele in the req
+ // bring to front of queue
+ req.reqs = MAX_INT;
+ q.updateItem(req);
+
+ q.pop(); // remove from queue
+
+ k2q[key] = null; // remove from lookup map
+ } else { // otherwise just remove ele from req
+ req.eles.unmerge(ele);
+ }
+ }
+};
+
+ETCp.onDequeue = function( fn ){ this.onDequeues.push( fn ); };
+ETCp.offDequeue = function( fn ){ removeFromArray( this.onDequeues, fn ); };
+
+ETCp.setupDequeueing = defs.setupDequeueing({
+ deqRedrawThreshold: deqRedrawThreshold,
+ deqCost: deqCost,
+ deqAvgCost: deqAvgCost,
+ deqNoDrawCost: deqNoDrawCost,
+ deqFastCost: deqFastCost,
+ deq: function( self, pxRatio, extent ){
+ return self.dequeue( pxRatio, extent );
+ },
+ onDeqd: function( self, deqd ){
+ for( let i = 0; i < self.onDequeues.length; i++ ){
+ let fn = self.onDequeues[i];
+
+ fn( deqd );
+ }
+ },
+ shouldRedraw: function( self, deqd, pxRatio, extent ){
+ for( let i = 0; i < deqd.length; i++ ){
+ let eles = deqd[i].eles;
+
+ for( let j = 0; j < eles.length; j++ ){
+ let bb = eles[j].boundingBox();
+
+ if( math.boundingBoxesIntersect( bb, extent ) ){
+ return true;
+ }
+ }
+ }
+
+ return false;
+ },
+ priority: function( self ){
+ return self.renderer.beforeRenderPriorities.eleTxrDeq;
+ }
+});
+
+export default ElementTextureCache;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/export-image.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/export-image.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..cbe41bd5685eb9ec7559e4462065b7bb19cdb5b2
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/export-image.mjs
@@ -0,0 +1,172 @@
+/* global atob, ArrayBuffer, Uint8Array, Blob */
+
+import * as is from '../../../is.mjs';
+import Promise from '../../../promise.mjs';
+
+var CRp = {};
+
+CRp.createBuffer = function( w, h ){
+ var buffer = document.createElement( 'canvas' ); // eslint-disable-line no-undef
+ buffer.width = w;
+ buffer.height = h;
+
+ return [ buffer, buffer.getContext( '2d' ) ];
+};
+
+CRp.bufferCanvasImage = function( options ){
+ var cy = this.cy;
+ var eles = cy.mutableElements();
+ var bb = eles.boundingBox();
+ var ctrRect = this.findContainerClientCoords();
+ var width = options.full ? Math.ceil( bb.w ) : ctrRect[2];
+ var height = options.full ? Math.ceil( bb.h ) : ctrRect[3];
+ var specdMaxDims = is.number( options.maxWidth ) || is.number( options.maxHeight );
+ var pxRatio = this.getPixelRatio();
+ var scale = 1;
+
+ if( options.scale !== undefined ){
+ width *= options.scale;
+ height *= options.scale;
+
+ scale = options.scale;
+ } else if( specdMaxDims ){
+ var maxScaleW = Infinity;
+ var maxScaleH = Infinity;
+
+ if( is.number( options.maxWidth ) ){
+ maxScaleW = scale * options.maxWidth / width;
+ }
+
+ if( is.number( options.maxHeight ) ){
+ maxScaleH = scale * options.maxHeight / height;
+ }
+
+ scale = Math.min( maxScaleW, maxScaleH );
+
+ width *= scale;
+ height *= scale;
+ }
+
+ if( !specdMaxDims ){
+ width *= pxRatio;
+ height *= pxRatio;
+ scale *= pxRatio;
+ }
+
+ var buffCanvas = document.createElement( 'canvas' ); // eslint-disable-line no-undef
+
+ buffCanvas.width = width;
+ buffCanvas.height = height;
+
+ buffCanvas.style.width = width + 'px';
+ buffCanvas.style.height = height + 'px';
+
+ var buffCxt = buffCanvas.getContext( '2d' );
+
+ // Rasterize the layers, but only if container has nonzero size
+ if( width > 0 && height > 0 ){
+
+ buffCxt.clearRect( 0, 0, width, height );
+
+ buffCxt.globalCompositeOperation = 'source-over';
+
+ var zsortedEles = this.getCachedZSortedEles();
+
+ if( options.full ){ // draw the full bounds of the graph
+ buffCxt.translate( -bb.x1 * scale, -bb.y1 * scale );
+ buffCxt.scale( scale, scale );
+
+ this.drawElements( buffCxt, zsortedEles );
+
+ buffCxt.scale( 1/scale, 1/scale );
+ buffCxt.translate( bb.x1 * scale, bb.y1 * scale );
+ } else { // draw the current view
+ var pan = cy.pan();
+
+ var translation = {
+ x: pan.x * scale,
+ y: pan.y * scale
+ };
+
+ scale *= cy.zoom();
+
+ buffCxt.translate( translation.x, translation.y );
+ buffCxt.scale( scale, scale );
+
+ this.drawElements( buffCxt, zsortedEles );
+
+ buffCxt.scale( 1/scale, 1/scale );
+ buffCxt.translate( -translation.x, -translation.y );
+ }
+
+ // need to fill bg at end like this in order to fill cleared transparent pixels in jpgs
+ if( options.bg ){
+ buffCxt.globalCompositeOperation = 'destination-over';
+
+ buffCxt.fillStyle = options.bg;
+ buffCxt.rect( 0, 0, width, height );
+ buffCxt.fill();
+ }
+ }
+
+ return buffCanvas;
+};
+
+function b64ToBlob( b64, mimeType ){
+ var bytes = atob( b64 );
+ var buff = new ArrayBuffer( bytes.length );
+ var buffUint8 = new Uint8Array( buff );
+
+ for( var i = 0; i < bytes.length; i++ ){
+ buffUint8[i] = bytes.charCodeAt(i);
+ }
+
+ return new Blob( [buff], { type: mimeType } );
+}
+
+function b64UriToB64( b64uri ){
+ var i = b64uri.indexOf(',');
+
+ return b64uri.substr( i + 1 );
+}
+
+function output( options, canvas, mimeType ){
+ let getB64Uri = () => canvas.toDataURL( mimeType, options.quality );
+
+ switch( options.output ){
+ case 'blob-promise':
+ return new Promise((resolve, reject) => {
+ try {
+ canvas.toBlob(blob => {
+ if( blob != null ){
+ resolve(blob);
+ } else {
+ reject( new Error('`canvas.toBlob()` sent a null value in its callback') );
+ }
+ }, mimeType, options.quality);
+ } catch( err ){
+ reject(err);
+ }
+ });
+
+ case 'blob':
+ return b64ToBlob( b64UriToB64( getB64Uri() ), mimeType );
+
+ case 'base64':
+ return b64UriToB64( getB64Uri() );
+
+ case 'base64uri':
+ default:
+ return getB64Uri();
+ }
+}
+
+CRp.png = function( options ){
+ return output( options, this.bufferCanvasImage( options ), 'image/png' );
+};
+
+CRp.jpg = function( options ){
+ return output( options, this.bufferCanvasImage( options ), 'image/jpeg' );
+};
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/index.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/index.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..cbd83dff87086f2d104309fe41ff46d894d547ce
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/index.mjs
@@ -0,0 +1,391 @@
+/*
+The canvas renderer was written by Yue Dong.
+
+Modifications tracked on Github.
+*/
+
+/* global OffscreenCanvas */
+
+import * as util from '../../../util/index.mjs';
+import * as is from '../../../is.mjs';
+import { makeBoundingBox } from '../../../math.mjs';
+import { labelHalign, labelValign } from '../../../style/align.mjs';
+import ElementTextureCache from './ele-texture-cache.mjs';
+import LayeredTextureCache from './layered-texture-cache.mjs';
+
+import arrowShapes from './arrow-shapes.mjs';
+import drawingElements from './drawing-elements.mjs';
+import drawingEdges from './drawing-edges.mjs';
+import drawingImages from './drawing-images.mjs';
+import drawingLabelText from './drawing-label-text.mjs';
+import drawingNodes from './drawing-nodes.mjs';
+import drawingRedraw from './drawing-redraw.mjs';
+import drawingRedrawWebGL from './webgl/drawing-redraw-webgl.mjs';
+import drawingShapes from './drawing-shapes.mjs';
+import exportImage from './export-image.mjs';
+import nodeShapes from './node-shapes.mjs';
+
+var CR = CanvasRenderer;
+var CRp = CanvasRenderer.prototype;
+
+CRp.CANVAS_LAYERS = 3;
+//
+CRp.SELECT_BOX = 0;
+CRp.DRAG = 1;
+CRp.NODE = 2;
+CRp.WEBGL = 3;
+
+CRp.CANVAS_TYPES = [ '2d', '2d', '2d', 'webgl2' ];
+
+CRp.BUFFER_COUNT = 3;
+//
+CRp.TEXTURE_BUFFER = 0;
+CRp.MOTIONBLUR_BUFFER_NODE = 1;
+CRp.MOTIONBLUR_BUFFER_DRAG = 2;
+
+function CanvasRenderer( options ){
+ var r = this;
+
+ var containerWindow = r.cy.window();
+ var document = containerWindow.document;
+
+ if( options.webgl ){
+ CRp.CANVAS_LAYERS = r.CANVAS_LAYERS = 4;
+ console.log('webgl rendering enabled');
+ }
+
+ r.data = {
+ canvases: new Array( CRp.CANVAS_LAYERS ),
+ contexts: new Array( CRp.CANVAS_LAYERS ),
+ canvasNeedsRedraw: new Array( CRp.CANVAS_LAYERS ),
+
+ bufferCanvases: new Array( CRp.BUFFER_COUNT ),
+ bufferContexts: new Array( CRp.CANVAS_LAYERS ),
+ };
+
+ var tapHlOffAttr = '-webkit-tap-highlight-color';
+ var tapHlOffStyle = 'rgba(0,0,0,0)';
+ r.data.canvasContainer = document.createElement( 'div' ); // eslint-disable-line no-undef
+ var containerStyle = r.data.canvasContainer.style;
+ r.data.canvasContainer.style[tapHlOffAttr] = tapHlOffStyle;
+ containerStyle.position = 'relative';
+ containerStyle.zIndex = '0';
+ containerStyle.overflow = 'hidden';
+
+ var container = options.cy.container();
+ container.appendChild( r.data.canvasContainer );
+ container.style[tapHlOffAttr] = tapHlOffStyle;
+
+ var styleMap = {
+ '-webkit-user-select': 'none',
+ '-moz-user-select': '-moz-none',
+ 'user-select': 'none',
+ '-webkit-tap-highlight-color': 'rgba(0,0,0,0)',
+ 'outline-style': 'none',
+ };
+
+ if(is.ms()) {
+ styleMap['-ms-touch-action'] = 'none';
+ styleMap['touch-action'] = 'none';
+ }
+
+ for( var i = 0; i < CRp.CANVAS_LAYERS; i++ ){
+ var canvas = r.data.canvases[ i ] = document.createElement( 'canvas' ); // eslint-disable-line no-undef
+ var type = CRp.CANVAS_TYPES[ i ];
+ r.data.contexts[ i ] = canvas.getContext( type );
+ if( !r.data.contexts[ i ] ) {
+ util.error( 'Could not create canvas of type ' + type );
+ }
+ Object.keys(styleMap).forEach((k) => {
+ canvas.style[k] = styleMap[k];
+ });
+ canvas.style.position = 'absolute';
+ canvas.setAttribute( 'data-id', 'layer' + i );
+ canvas.style.zIndex = String( CRp.CANVAS_LAYERS - i );
+ r.data.canvasContainer.appendChild( canvas );
+
+ r.data.canvasNeedsRedraw[ i ] = false;
+ }
+ r.data.topCanvas = r.data.canvases[0];
+
+ r.data.canvases[ CRp.NODE ].setAttribute( 'data-id', 'layer' + CRp.NODE + '-node' );
+ r.data.canvases[ CRp.SELECT_BOX ].setAttribute( 'data-id', 'layer' + CRp.SELECT_BOX + '-selectbox' );
+ r.data.canvases[ CRp.DRAG ].setAttribute( 'data-id', 'layer' + CRp.DRAG + '-drag' );
+ if( r.data.canvases[ CRp.WEBGL ] ) {
+ r.data.canvases[ CRp.WEBGL ].setAttribute( 'data-id', 'layer' + CRp.WEBGL + '-webgl' );
+ }
+
+ for( var i = 0; i < CRp.BUFFER_COUNT; i++ ){
+ r.data.bufferCanvases[ i ] = document.createElement( 'canvas' ); // eslint-disable-line no-undef
+ r.data.bufferContexts[ i ] = r.data.bufferCanvases[ i ].getContext( '2d' );
+ r.data.bufferCanvases[ i ].style.position = 'absolute';
+ r.data.bufferCanvases[ i ].setAttribute( 'data-id', 'buffer' + i );
+ r.data.bufferCanvases[ i ].style.zIndex = String( -i - 1 );
+ r.data.bufferCanvases[ i ].style.visibility = 'hidden';
+ //r.data.canvasContainer.appendChild(r.data.bufferCanvases[i]);
+ }
+
+ r.pathsEnabled = true;
+
+ let emptyBb = makeBoundingBox();
+
+ let getBoxCenter = bb => ({ x: (bb.x1 + bb.x2)/2, y: (bb.y1 + bb.y2)/2 });
+
+ let getCenterOffset = bb => ({ x: -bb.w/2, y: -bb.h/2 });
+
+ let backgroundTimestampHasChanged = ele => {
+ let _p = ele[0]._private;
+ let same = _p.oldBackgroundTimestamp === _p.backgroundTimestamp;
+
+ return !same;
+ };
+
+ let getStyleKey = ele => ele[0]._private.nodeKey;
+ let getLabelKey = ele => ele[0]._private.labelStyleKey;
+ let getSourceLabelKey = ele => ele[0]._private.sourceLabelStyleKey;
+ let getTargetLabelKey = ele => ele[0]._private.targetLabelStyleKey;
+
+ let drawElement = (context, ele, bb, scaledLabelShown, useEleOpacity) => r.drawElement( context, ele, bb, false, false, useEleOpacity );
+ let drawLabel = (context, ele, bb, scaledLabelShown, useEleOpacity) => r.drawElementText( context, ele, bb, scaledLabelShown, 'main', useEleOpacity );
+ let drawSourceLabel = (context, ele, bb, scaledLabelShown, useEleOpacity) => r.drawElementText( context, ele, bb, scaledLabelShown, 'source', useEleOpacity );
+ let drawTargetLabel = (context, ele, bb, scaledLabelShown, useEleOpacity) => r.drawElementText( context, ele, bb, scaledLabelShown, 'target', useEleOpacity );
+
+ let getElementBox = ele => { ele.boundingBox(); return ele[0]._private.bodyBounds; };
+ let getLabelBox = ele => { ele.boundingBox(); return ele[0]._private.labelBounds.main || emptyBb; };
+ let getSourceLabelBox = ele => { ele.boundingBox(); return ele[0]._private.labelBounds.source || emptyBb; };
+ let getTargetLabelBox = ele => { ele.boundingBox(); return ele[0]._private.labelBounds.target || emptyBb; };
+
+ let isLabelVisibleAtScale = (ele, scaledLabelShown) => scaledLabelShown;
+
+ let getElementRotationPoint = ele => getBoxCenter( getElementBox(ele) );
+
+ let addTextMargin = (prefix, pt, ele) => {
+ let pre = prefix ? prefix + '-' : '';
+
+ return {
+ x: pt.x + ele.pstyle(pre + 'text-margin-x').pfValue,
+ y: pt.y + ele.pstyle(pre + 'text-margin-y').pfValue
+ };
+ };
+
+ let getRsPt = (ele, x, y) => {
+ let rs = ele[0]._private.rscratch;
+
+ return { x: rs[x], y: rs[y] };
+ };
+
+ let getLabelRotationPoint = ele => addTextMargin('', getRsPt(ele, 'labelX', 'labelY'), ele);
+ let getSourceLabelRotationPoint = ele => addTextMargin('source', getRsPt(ele, 'sourceLabelX', 'sourceLabelY'), ele);
+ let getTargetLabelRotationPoint = ele => addTextMargin('target', getRsPt(ele, 'targetLabelX', 'targetLabelY'), ele);
+
+ let getElementRotationOffset = ele => getCenterOffset( getElementBox(ele) );
+ let getSourceLabelRotationOffset = ele => getCenterOffset( getSourceLabelBox(ele) );
+ let getTargetLabelRotationOffset = ele => getCenterOffset( getTargetLabelBox(ele) );
+
+ let getLabelRotationOffset = ele => {
+ let bb = getLabelBox(ele);
+ let p = getCenterOffset( getLabelBox(ele) );
+
+ if( ele.isNode() ){
+ switch( labelHalign( ele.pstyle('text-halign').value ) ){
+ case 'left':
+ p.x = -bb.w - (bb.leftPad || 0);
+ break;
+ case 'right':
+ p.x = -(bb.rightPad || 0);
+ break;
+ }
+
+ switch( labelValign( ele.pstyle('text-valign').value ) ){
+ case 'top':
+ p.y = -bb.h - (bb.topPad || 0);
+ break;
+ case 'bottom':
+ p.y = -(bb.botPad || 0);
+ break;
+ }
+ }
+
+ return p;
+ };
+
+ let eleTxrCache = r.data.eleTxrCache = new ElementTextureCache( r, {
+ getKey: getStyleKey,
+ doesEleInvalidateKey: backgroundTimestampHasChanged,
+ drawElement: drawElement,
+ getBoundingBox: getElementBox,
+ getRotationPoint: getElementRotationPoint,
+ getRotationOffset: getElementRotationOffset,
+ allowEdgeTxrCaching: false,
+ allowParentTxrCaching: false
+ } );
+
+ let lblTxrCache = r.data.lblTxrCache = new ElementTextureCache( r, {
+ getKey: getLabelKey,
+ drawElement: drawLabel,
+ getBoundingBox: getLabelBox,
+ getRotationPoint: getLabelRotationPoint,
+ getRotationOffset: getLabelRotationOffset,
+ isVisible: isLabelVisibleAtScale
+ } );
+
+ let slbTxrCache = r.data.slbTxrCache = new ElementTextureCache( r, {
+ getKey: getSourceLabelKey,
+ drawElement: drawSourceLabel,
+ getBoundingBox: getSourceLabelBox,
+ getRotationPoint: getSourceLabelRotationPoint,
+ getRotationOffset: getSourceLabelRotationOffset,
+ isVisible: isLabelVisibleAtScale
+ } );
+
+ let tlbTxrCache = r.data.tlbTxrCache = new ElementTextureCache( r, {
+ getKey: getTargetLabelKey,
+ drawElement: drawTargetLabel,
+ getBoundingBox: getTargetLabelBox,
+ getRotationPoint: getTargetLabelRotationPoint,
+ getRotationOffset: getTargetLabelRotationOffset,
+ isVisible: isLabelVisibleAtScale
+ } );
+
+ let lyrTxrCache = r.data.lyrTxrCache = new LayeredTextureCache( r );
+
+ r.onUpdateEleCalcs(function invalidateTextureCaches( willDraw, eles ){
+ // each cache should check for sub-key diff to see that the update affects that cache particularly
+ eleTxrCache.invalidateElements( eles );
+ lblTxrCache.invalidateElements( eles );
+ slbTxrCache.invalidateElements( eles );
+ tlbTxrCache.invalidateElements( eles );
+
+ // any change invalidates the layers
+ lyrTxrCache.invalidateElements( eles );
+
+ // update the old bg timestamp so diffs can be done in the ele txr caches
+ for( let i = 0; i < eles.length; i++ ){
+ let _p = eles[i]._private;
+
+ _p.oldBackgroundTimestamp = _p.backgroundTimestamp;
+ }
+ });
+
+ let refineInLayers = reqs => {
+ for( var i = 0; i < reqs.length; i++ ){
+ lyrTxrCache.enqueueElementRefinement( reqs[i].ele );
+ }
+ };
+
+ eleTxrCache.onDequeue(refineInLayers);
+ lblTxrCache.onDequeue(refineInLayers);
+ slbTxrCache.onDequeue(refineInLayers);
+ tlbTxrCache.onDequeue(refineInLayers);
+
+ if( options.webgl ) {
+ r.initWebgl( options, {
+ getStyleKey,
+ getLabelKey,
+ getSourceLabelKey,
+ getTargetLabelKey,
+ drawElement,
+ drawLabel,
+ drawSourceLabel,
+ drawTargetLabel,
+ getElementBox,
+ getLabelBox,
+ getSourceLabelBox,
+ getTargetLabelBox,
+ getElementRotationPoint,
+ getElementRotationOffset,
+ getLabelRotationPoint,
+ getSourceLabelRotationPoint,
+ getTargetLabelRotationPoint,
+ getLabelRotationOffset,
+ getSourceLabelRotationOffset,
+ getTargetLabelRotationOffset
+ } );
+ }
+}
+
+CRp.redrawHint = function( group, bool ){
+ var r = this;
+
+ switch( group ){
+ case 'eles':
+ r.data.canvasNeedsRedraw[ CRp.NODE ] = bool;
+ break;
+ case 'drag':
+ r.data.canvasNeedsRedraw[ CRp.DRAG ] = bool;
+ break;
+ case 'select':
+ r.data.canvasNeedsRedraw[ CRp.SELECT_BOX ] = bool;
+ break;
+ case 'gc':
+ r.data.gc = true;
+ break;
+ }
+};
+
+// whether to use Path2D caching for drawing
+var pathsImpld = typeof Path2D !== 'undefined';
+
+CRp.path2dEnabled = function( on ){
+ if( on === undefined ){
+ return this.pathsEnabled;
+ }
+
+ this.pathsEnabled = on ? true : false;
+};
+
+CRp.usePaths = function(){
+ return pathsImpld && this.pathsEnabled;
+};
+
+CRp.setImgSmoothing = function( context, bool ){
+ if( context.imageSmoothingEnabled != null ){
+ context.imageSmoothingEnabled = bool;
+ } else {
+ context.webkitImageSmoothingEnabled = bool;
+ context.mozImageSmoothingEnabled = bool;
+ context.msImageSmoothingEnabled = bool;
+ }
+};
+
+CRp.getImgSmoothing = function( context ){
+ if( context.imageSmoothingEnabled != null ){
+ return context.imageSmoothingEnabled;
+ } else {
+ return context.webkitImageSmoothingEnabled || context.mozImageSmoothingEnabled || context.msImageSmoothingEnabled;
+ }
+};
+
+CRp.makeOffscreenCanvas = function(width, height){
+ let canvas;
+
+ if( typeof OffscreenCanvas !== typeof undefined ){
+ canvas = new OffscreenCanvas(width, height);
+ } else {
+ var containerWindow = this.cy.window();
+ var document = containerWindow.document;
+ canvas = document.createElement('canvas'); // eslint-disable-line no-undef
+ canvas.width = width;
+ canvas.height = height;
+ }
+
+ return canvas;
+};
+
+[
+ arrowShapes,
+ drawingElements,
+ drawingEdges,
+ drawingImages,
+ drawingLabelText,
+ drawingNodes,
+ drawingRedraw,
+ drawingRedrawWebGL,
+ drawingShapes,
+ exportImage,
+ nodeShapes
+].forEach( function( props ){
+ util.extend( CRp, props );
+} );
+
+export default CR;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/layered-texture-cache.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/layered-texture-cache.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..12afb7b755411f167007c6bbaa04007f751402f8
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/layered-texture-cache.mjs
@@ -0,0 +1,668 @@
+import * as util from '../../../util/index.mjs';
+import * as math from '../../../math.mjs';
+import Heap from '../../../heap.mjs';
+import * as is from '../../../is.mjs';
+import defs from './texture-cache-defs.mjs';
+
+var defNumLayers = 1; // default number of layers to use
+var minLvl = -4; // when scaling smaller than that we don't need to re-render
+var maxLvl = 2; // when larger than this scale just render directly (caching is not helpful)
+var maxZoom = 3.99; // beyond this zoom level, layered textures are not used
+var deqRedrawThreshold = 50; // time to batch redraws together from dequeueing to allow more dequeueing calcs to happen in the meanwhile
+var refineEleDebounceTime = 50; // time to debounce sharper ele texture updates
+var disableEleImgSmoothing = true; // when drawing eles on layers from an ele cache ; crisper and more performant when true
+var deqCost = 0.15; // % of add'l rendering cost allowed for dequeuing ele caches each frame
+var deqAvgCost = 0.1; // % of add'l rendering cost compared to average overall redraw time
+var deqNoDrawCost = 0.9; // % of avg frame time that can be used for dequeueing when not drawing
+var deqFastCost = 0.9; // % of frame time to be used when >60fps
+var maxDeqSize = 1; // number of eles to dequeue and render at higher texture in each batch
+var invalidThreshold = 250; // time threshold for disabling b/c of invalidations
+var maxLayerArea = 4000 * 4000; // layers can't be bigger than this
+var maxLayerDim = 32767; // maximum size for the width/height of layer canvases
+var alwaysQueue = true; // never draw all the layers in a level on a frame; draw directly until all dequeued
+var useHighQualityEleTxrReqs = true; // whether to use high quality ele txr requests (generally faster and cheaper in the longterm)
+
+var useEleTxrCaching = true; // whether to use individual ele texture caching underneath this cache
+
+// var log = function(){ console.log.apply( console, arguments ); };
+
+var LayeredTextureCache = function( renderer ){
+ var self = this;
+ var r = self.renderer = renderer;
+ var cy = r.cy;
+
+ self.layersByLevel = {}; // e.g. 2 => [ layer1, layer2, ..., layerN ]
+
+ self.firstGet = true;
+
+ self.lastInvalidationTime = util.performanceNow() - 2*invalidThreshold;
+
+ self.skipping = false;
+
+ self.eleTxrDeqs = cy.collection();
+
+ self.scheduleElementRefinement = util.debounce( function(){
+ self.refineElementTextures( self.eleTxrDeqs );
+
+ self.eleTxrDeqs.unmerge( self.eleTxrDeqs );
+ }, refineEleDebounceTime );
+
+ r.beforeRender(function( willDraw, now ){
+ if( now - self.lastInvalidationTime <= invalidThreshold ){
+ self.skipping = true;
+ } else {
+ self.skipping = false;
+ }
+ }, r.beforeRenderPriorities.lyrTxrSkip);
+
+ var qSort = function(a, b){
+ return b.reqs - a.reqs;
+ };
+
+ self.layersQueue = new Heap( qSort );
+
+ self.setupDequeueing();
+};
+
+var LTCp = LayeredTextureCache.prototype;
+
+var layerIdPool = 0;
+var MAX_INT = Math.pow(2, 53) - 1;
+
+LTCp.makeLayer = function( bb, lvl ){
+ var scale = Math.pow( 2, lvl );
+
+ var w = Math.ceil( bb.w * scale );
+ var h = Math.ceil( bb.h * scale );
+
+ var canvas = this.renderer.makeOffscreenCanvas(w, h);
+
+ var layer = {
+ id: (layerIdPool = ++layerIdPool % MAX_INT ),
+ bb: bb,
+ level: lvl,
+ width: w,
+ height: h,
+ canvas: canvas,
+ context: canvas.getContext('2d'),
+ eles: [],
+ elesQueue: [],
+ reqs: 0
+ };
+
+ // log('make layer %s with w %s and h %s and lvl %s', layer.id, layer.width, layer.height, layer.level);
+
+ var cxt = layer.context;
+ var dx = -layer.bb.x1;
+ var dy = -layer.bb.y1;
+
+ // do the transform on creation to save cycles (it's the same for all eles)
+ cxt.scale( scale, scale );
+ cxt.translate( dx, dy );
+
+ return layer;
+};
+
+LTCp.getLayers = function( eles, pxRatio, lvl ){
+ var self = this;
+ var r = self.renderer;
+ var cy = r.cy;
+ var zoom = cy.zoom();
+ var firstGet = self.firstGet;
+
+ self.firstGet = false;
+
+ // log('--\nget layers with %s eles', eles.length);
+ //log eles.map(function(ele){ return ele.id() }) );
+
+ if( lvl == null ){
+ lvl = Math.ceil( math.log2( zoom * pxRatio ) );
+
+ if( lvl < minLvl ){
+ lvl = minLvl;
+ } else if( zoom >= maxZoom || lvl > maxLvl ){
+ return null;
+ }
+ }
+
+ self.validateLayersElesOrdering( lvl, eles );
+
+ var layersByLvl = self.layersByLevel;
+ var scale = Math.pow( 2, lvl );
+ var layers = layersByLvl[ lvl ] = layersByLvl[ lvl ] || [];
+ var bb;
+
+ var lvlComplete = self.levelIsComplete( lvl, eles );
+ var tmpLayers;
+
+ var checkTempLevels = function(){
+ var canUseAsTmpLvl = function( l ){
+ self.validateLayersElesOrdering( l, eles );
+
+ if( self.levelIsComplete( l, eles ) ){
+ tmpLayers = layersByLvl[l];
+ return true;
+ }
+ };
+
+ var checkLvls = function( dir ){
+ if( tmpLayers ){ return; }
+
+ for( var l = lvl + dir; minLvl <= l && l <= maxLvl; l += dir ){
+ if( canUseAsTmpLvl(l) ){ break; }
+ }
+ };
+
+ checkLvls( +1 );
+ checkLvls( -1 );
+
+ // remove the invalid layers; they will be replaced as needed later in this function
+ for( var i = layers.length - 1; i >= 0; i-- ){
+ var layer = layers[i];
+
+ if( layer.invalid ){
+ util.removeFromArray( layers, layer );
+ }
+ }
+ };
+
+ if( !lvlComplete ){
+ // if the current level is incomplete, then use the closest, best quality layerset temporarily
+ // and later queue the current layerset so we can get the proper quality level soon
+
+ checkTempLevels();
+
+ } else {
+ // log('level complete, using existing layers\n--');
+ return layers;
+ }
+
+ var getBb = function(){
+ if( !bb ){
+ bb = math.makeBoundingBox();
+
+ for( var i = 0; i < eles.length; i++ ){
+ math.updateBoundingBox( bb, eles[i].boundingBox() );
+ }
+ }
+
+ return bb;
+ };
+
+ var makeLayer = function( opts ){
+ opts = opts || {};
+
+ var after = opts.after;
+
+ getBb();
+
+ var w = Math.ceil( bb.w * scale );
+ var h = Math.ceil( bb.h * scale );
+
+ if( w > maxLayerDim || h > maxLayerDim ){
+ return null;
+ }
+
+ var area = w * h;
+
+ if( area > maxLayerArea ){
+ return null;
+ }
+
+ var layer = self.makeLayer( bb, lvl );
+
+ if( after != null ){
+ var index = layers.indexOf( after ) + 1;
+
+ layers.splice( index, 0, layer );
+ } else if( opts.insert === undefined || opts.insert ){
+ // no after specified => first layer made so put at start
+ layers.unshift( layer );
+ }
+
+ // if( tmpLayers ){
+ //self.queueLayer( layer );
+ // }
+
+ return layer;
+ };
+
+ if( self.skipping && !firstGet ){
+ // log('skip layers');
+ return null;
+ }
+
+ // log('do layers');
+
+ var layer = null;
+ var maxElesPerLayer = eles.length / defNumLayers;
+ var allowLazyQueueing = alwaysQueue && !firstGet;
+
+ for( var i = 0; i < eles.length; i++ ){
+ var ele = eles[i];
+ var rs = ele._private.rscratch;
+ var caches = rs.imgLayerCaches = rs.imgLayerCaches || {};
+
+ // log('look at ele', ele.id());
+
+ var existingLayer = caches[ lvl ];
+
+ if( existingLayer ){
+ // reuse layer for later eles
+ // log('reuse layer for', ele.id());
+ layer = existingLayer;
+ continue;
+ }
+
+ if(
+ !layer
+ || layer.eles.length >= maxElesPerLayer
+ || !math.boundingBoxInBoundingBox( layer.bb, ele.boundingBox() )
+ ){
+ // log('make new layer for ele %s', ele.id());
+
+ layer = makeLayer({ insert: true, after: layer });
+
+ // if now layer can be built then we can't use layers at this level
+ if( !layer ){ return null; }
+
+ // log('new layer with id %s', layer.id);
+ }
+
+ if( tmpLayers || allowLazyQueueing ){
+ // log('queue ele %s in layer %s', ele.id(), layer.id);
+ self.queueLayer( layer, ele );
+ } else {
+ // log('draw ele %s in layer %s', ele.id(), layer.id);
+ self.drawEleInLayer( layer, ele, lvl, pxRatio );
+ }
+
+ layer.eles.push( ele );
+
+ caches[ lvl ] = layer;
+ }
+
+ // log('--');
+
+ if( tmpLayers ){ // then we only queued the current layerset and can't draw it yet
+ return tmpLayers;
+ }
+
+ if( allowLazyQueueing ){
+ // log('lazy queue level', lvl);
+ return null;
+ }
+
+ return layers;
+};
+
+// a layer may want to use an ele cache of a higher level to avoid blurriness
+// so the layer level might not equal the ele level
+LTCp.getEleLevelForLayerLevel = function( lvl, pxRatio ){
+ return lvl;
+};
+
+LTCp.drawEleInLayer = function( layer, ele, lvl, pxRatio ){
+ var self = this;
+ var r = this.renderer;
+ var context = layer.context;
+ var bb = ele.boundingBox();
+
+ if( bb.w === 0 || bb.h === 0 || !ele.visible() ){ return; }
+
+ lvl = self.getEleLevelForLayerLevel( lvl, pxRatio );
+
+ if( disableEleImgSmoothing ){ r.setImgSmoothing( context, false ); }
+
+ if( useEleTxrCaching ){
+ r.drawCachedElement( context, ele, null, null, lvl, useHighQualityEleTxrReqs );
+ } else { // if the element is not cacheable, then draw directly
+ r.drawElement( context, ele );
+ }
+
+ if( disableEleImgSmoothing ){ r.setImgSmoothing( context, true ); }
+};
+
+LTCp.levelIsComplete = function( lvl, eles ){
+ var self = this;
+ var layers = self.layersByLevel[ lvl ];
+
+ if( !layers || layers.length === 0 ){ return false; }
+
+ var numElesInLayers = 0;
+
+ for( var i = 0; i < layers.length; i++ ){
+ var layer = layers[i];
+
+ // if there are any eles needed to be drawn yet, the level is not complete
+ if( layer.reqs > 0 ){ return false; }
+
+ // if the layer is invalid, the level is not complete
+ if( layer.invalid ){ return false; }
+
+ numElesInLayers += layer.eles.length;
+ }
+
+ // we should have exactly the number of eles passed in to be complete
+ if( numElesInLayers !== eles.length ){ return false; }
+
+ return true;
+};
+
+LTCp.validateLayersElesOrdering = function( lvl, eles ){
+ var layers = this.layersByLevel[ lvl ];
+
+ if( !layers ){ return; }
+
+ // if in a layer the eles are not in the same order, then the layer is invalid
+ // (i.e. there is an ele in between the eles in the layer)
+
+ for( var i = 0; i < layers.length; i++ ){
+ var layer = layers[i];
+ var offset = -1;
+
+ // find the offset
+ for( var j = 0; j < eles.length; j++ ){
+ if( layer.eles[0] === eles[j] ){
+ offset = j;
+ break;
+ }
+ }
+
+ if( offset < 0 ){
+ // then the layer has nonexistent elements and is invalid
+ this.invalidateLayer( layer );
+ continue;
+ }
+
+ // the eles in the layer must be in the same continuous order, else the layer is invalid
+
+ var o = offset;
+
+ for( var j = 0; j < layer.eles.length; j++ ){
+ if( layer.eles[j] !== eles[o+j] ){
+ // log('invalidate based on ordering', layer.id);
+
+ this.invalidateLayer( layer );
+ break;
+ }
+ }
+ }
+};
+
+LTCp.updateElementsInLayers = function( eles, update ){
+ var self = this;
+ var isEles = is.element( eles[0] );
+
+ // collect udpated elements (cascaded from the layers) and update each
+ // layer itself along the way
+ for( var i = 0; i < eles.length; i++ ){
+ var req = isEles ? null : eles[i];
+ var ele = isEles ? eles[i] : eles[i].ele;
+ var rs = ele._private.rscratch;
+ var caches = rs.imgLayerCaches = rs.imgLayerCaches || {};
+
+ for( var l = minLvl; l <= maxLvl; l++ ){
+ var layer = caches[l];
+
+ if( !layer ){ continue; }
+
+ // if update is a request from the ele cache, then it affects only
+ // the matching level
+ if( req && self.getEleLevelForLayerLevel( layer.level ) !== req.level ){
+ continue;
+ }
+
+ update( layer, ele, req );
+ }
+ }
+};
+
+LTCp.haveLayers = function(){
+ var self = this;
+ var haveLayers = false;
+
+ for( var l = minLvl; l <= maxLvl; l++ ){
+ var layers = self.layersByLevel[l];
+
+ if( layers && layers.length > 0 ){
+ haveLayers = true;
+ break;
+ }
+ }
+
+ return haveLayers;
+};
+
+LTCp.invalidateElements = function( eles ){
+ var self = this;
+
+ if( eles.length === 0 ){ return; }
+
+ self.lastInvalidationTime = util.performanceNow();
+
+ // log('update invalidate layer time from eles');
+
+ if( eles.length === 0 || !self.haveLayers() ){ return; }
+
+ self.updateElementsInLayers( eles, function invalAssocLayers( layer, ele, req ){
+ self.invalidateLayer( layer );
+ } );
+};
+
+LTCp.invalidateLayer = function( layer ){
+ // log('update invalidate layer time');
+
+ this.lastInvalidationTime = util.performanceNow();
+
+ if( layer.invalid ){ return; } // save cycles
+
+ var lvl = layer.level;
+ var eles = layer.eles;
+ var layers = this.layersByLevel[ lvl ];
+
+ // log('invalidate layer', layer.id );
+
+ util.removeFromArray( layers, layer );
+ // layer.eles = [];
+
+ layer.elesQueue = [];
+
+ layer.invalid = true;
+
+ if( layer.replacement ){
+ layer.replacement.invalid = true;
+ }
+
+ for( var i = 0; i < eles.length; i++ ){
+ var caches = eles[i]._private.rscratch.imgLayerCaches;
+
+ if( caches ){
+ caches[ lvl ] = null;
+ }
+ }
+};
+
+LTCp.refineElementTextures = function( eles ){
+ var self = this;
+
+ // log('refine', eles.length);
+
+ self.updateElementsInLayers( eles, function refineEachEle( layer, ele, req ){
+ var rLyr = layer.replacement;
+
+ if( !rLyr ){
+ rLyr = layer.replacement = self.makeLayer( layer.bb, layer.level );
+ rLyr.replaces = layer;
+ rLyr.eles = layer.eles;
+
+ // log('make replacement layer %s for %s with level %s', rLyr.id, layer.id, rLyr.level);
+ }
+
+ if( !rLyr.reqs ){
+ for( var i = 0; i < rLyr.eles.length; i++ ){
+ self.queueLayer( rLyr, rLyr.eles[i] );
+ }
+
+ // log('queue replacement layer refinement', rLyr.id);
+ }
+ } );
+};
+
+LTCp.enqueueElementRefinement = function( ele ){
+ if( !useEleTxrCaching ){ return; }
+
+ this.eleTxrDeqs.merge( ele );
+ this.scheduleElementRefinement();
+};
+
+LTCp.queueLayer = function( layer, ele ){
+ var self = this;
+ var q = self.layersQueue;
+ var elesQ = layer.elesQueue;
+ var hasId = elesQ.hasId = elesQ.hasId || {};
+
+ // if a layer is going to be replaced, queuing is a waste of time
+ if( layer.replacement ){ return; }
+
+ if( ele ){
+ if( hasId[ ele.id() ] ){
+ return;
+ }
+
+ elesQ.push( ele );
+ hasId[ ele.id() ] = true;
+ }
+
+ if( layer.reqs ){
+ layer.reqs++;
+
+ q.updateItem( layer );
+ } else {
+ layer.reqs = 1;
+
+ q.push( layer );
+ }
+};
+
+LTCp.dequeue = function( pxRatio ){
+ var self = this;
+ var q = self.layersQueue;
+ var deqd = [];
+ var eleDeqs = 0;
+
+ while( eleDeqs < maxDeqSize ){
+ if( q.size() === 0 ){ break; }
+
+ var layer = q.peek();
+
+ // if a layer has been or will be replaced, then don't waste time with it
+ if( layer.replacement ){
+ // log('layer %s in queue skipped b/c it already has a replacement', layer.id);
+ q.pop();
+ continue;
+ }
+
+ // if this is a replacement layer that has been superceded, then forget it
+ if( layer.replaces && layer !== layer.replaces.replacement ){
+ // log('layer is no longer the most uptodate replacement; dequeued', layer.id)
+ q.pop();
+ continue;
+ }
+
+ if( layer.invalid ){
+ // log('replacement layer %s is invalid; dequeued', layer.id);
+ q.pop();
+ continue;
+ }
+
+ var ele = layer.elesQueue.shift();
+
+ if( ele ){
+ // log('dequeue layer %s', layer.id);
+
+ self.drawEleInLayer( layer, ele, layer.level, pxRatio );
+
+ eleDeqs++;
+ }
+
+ if( deqd.length === 0 ){
+ // we need only one entry in deqd to queue redrawing etc
+ deqd.push( true );
+ }
+
+ // if the layer has all its eles done, then remove from the queue
+ if( layer.elesQueue.length === 0 ){
+ q.pop();
+
+ layer.reqs = 0;
+
+ // log('dequeue of layer %s complete', layer.id);
+
+ // when a replacement layer is dequeued, it replaces the old layer in the level
+ if( layer.replaces ){
+ self.applyLayerReplacement( layer );
+ }
+
+ self.requestRedraw();
+ }
+ }
+
+ return deqd;
+};
+
+LTCp.applyLayerReplacement = function( layer ){
+ var self = this;
+ var layersInLevel = self.layersByLevel[ layer.level ];
+ var replaced = layer.replaces;
+ var index = layersInLevel.indexOf( replaced );
+
+ // if the replaced layer is not in the active list for the level, then replacing
+ // refs would be a mistake (i.e. overwriting the true active layer)
+ if( index < 0 || replaced.invalid ){
+ // log('replacement layer would have no effect', layer.id);
+ return;
+ }
+
+ layersInLevel[ index ] = layer; // replace level ref
+
+ // replace refs in eles
+ for( var i = 0; i < layer.eles.length; i++ ){
+ var _p = layer.eles[i]._private;
+ var cache = _p.imgLayerCaches = _p.imgLayerCaches || {};
+
+ if( cache ){
+ cache[ layer.level ] = layer;
+ }
+ }
+
+ // log('apply replacement layer %s over %s', layer.id, replaced.id);
+
+ self.requestRedraw();
+};
+
+LTCp.requestRedraw = util.debounce( function(){
+ var r = this.renderer;
+
+ r.redrawHint( 'eles', true );
+ r.redrawHint( 'drag', true );
+ r.redraw();
+}, 100 );
+
+LTCp.setupDequeueing = defs.setupDequeueing({
+ deqRedrawThreshold: deqRedrawThreshold,
+ deqCost: deqCost,
+ deqAvgCost: deqAvgCost,
+ deqNoDrawCost: deqNoDrawCost,
+ deqFastCost: deqFastCost,
+ deq: function( self, pxRatio ){
+ return self.dequeue( pxRatio );
+ },
+ onDeqd: util.noop,
+ shouldRedraw: util.trueify,
+ priority: function( self ){
+ return self.renderer.beforeRenderPriorities.lyrTxrDeq;
+ }
+});
+
+export default LayeredTextureCache;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/node-shapes.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/node-shapes.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..37a77bfa1f9e8da09fe284b11ff8d2670e330de5
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/node-shapes.mjs
@@ -0,0 +1,25 @@
+var CRp = {};
+
+CRp.nodeShapeImpl = function( name, context, centerX, centerY, width, height, points, corners ){
+ switch( name ){
+ case 'ellipse':
+ return this.drawEllipsePath( context, centerX, centerY, width, height );
+ case 'polygon':
+ return this.drawPolygonPath( context, centerX, centerY, width, height, points );
+ case 'round-polygon':
+ return this.drawRoundPolygonPath(context, centerX, centerY, width, height, points, corners );
+ case 'roundrectangle':
+ case 'round-rectangle':
+ return this.drawRoundRectanglePath( context, centerX, centerY, width, height, corners );
+ case 'cutrectangle':
+ case 'cut-rectangle':
+ return this.drawCutRectanglePath( context, centerX, centerY, width, height, points, corners );
+ case 'bottomroundrectangle':
+ case 'bottom-round-rectangle':
+ return this.drawBottomRoundRectanglePath( context, centerX, centerY, width, height, corners );
+ case 'barrel':
+ return this.drawBarrelPath( context, centerX, centerY, width, height );
+ }
+};
+
+export default CRp;
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/texture-cache-defs.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/texture-cache-defs.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..72619fa17fef4b2e1fb4a15a2a6f6950f4791414
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/texture-cache-defs.mjs
@@ -0,0 +1,91 @@
+import * as util from '../../../util/index.mjs';
+
+var fullFpsTime = 1000/60; // assume 60 frames per second
+
+export default {
+ setupDequeueing: function( opts ){
+ return function setupDequeueingImpl(){
+ var self = this;
+ var r = this.renderer;
+
+ if( self.dequeueingSetup ){
+ return;
+ } else {
+ self.dequeueingSetup = true;
+ }
+
+ var queueRedraw = util.debounce( function(){
+ r.redrawHint( 'eles', true );
+ r.redrawHint( 'drag', true );
+
+ r.redraw();
+ }, opts.deqRedrawThreshold );
+
+ var dequeue = function( willDraw, frameStartTime ){
+ var startTime = util.performanceNow();
+ var avgRenderTime = r.averageRedrawTime;
+ var renderTime = r.lastRedrawTime;
+ var deqd = [];
+ var extent = r.cy.extent();
+ var pixelRatio = r.getPixelRatio();
+
+ // if we aren't in a tick that causes a draw, then the rendered style
+ // queue won't automatically be flushed before dequeueing starts
+ if( !willDraw ){
+ r.flushRenderedStyleQueue();
+ }
+
+ while( true ){ // eslint-disable-line no-constant-condition
+ var now = util.performanceNow();
+ var duration = now - startTime;
+ var frameDuration = now - frameStartTime;
+
+ if( renderTime < fullFpsTime ){
+ // if we're rendering faster than the ideal fps, then do dequeueing
+ // during all of the remaining frame time
+
+ var timeAvailable = fullFpsTime - ( willDraw ? avgRenderTime : 0 );
+
+ if( frameDuration >= opts.deqFastCost * timeAvailable ){
+ break;
+ }
+ } else {
+ if( willDraw ){
+ if(
+ duration >= opts.deqCost * renderTime
+ || duration >= opts.deqAvgCost * avgRenderTime
+ ){
+ break;
+ }
+ } else if( frameDuration >= opts.deqNoDrawCost * fullFpsTime ){
+ break;
+ }
+ }
+
+ var thisDeqd = opts.deq( self, pixelRatio, extent );
+
+ if( thisDeqd.length > 0 ){
+ for( var i = 0; i < thisDeqd.length; i++ ){
+ deqd.push( thisDeqd[i] );
+ }
+ } else {
+ break;
+ }
+ }
+
+ // callbacks on dequeue
+ if( deqd.length > 0 ){
+ opts.onDeqd( self, deqd );
+
+ if( !willDraw && opts.shouldRedraw( self, deqd, pixelRatio, extent ) ){
+ queueRedraw();
+ }
+ }
+ };
+
+ var priority = opts.priority || util.noop;
+
+ r.beforeRender( dequeue, priority( self ) );
+ };
+ }
+};
diff --git a/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/webgl/atlas.mjs b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/webgl/atlas.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..33a9891f4bd2dac43f989804f4ad8d1b688cd257
--- /dev/null
+++ b/tools/ui/node_modules/cytoscape/src/extensions/renderer/canvas/webgl/atlas.mjs
@@ -0,0 +1,647 @@
+import * as util from './webgl-util.mjs';
+import * as cyutil from '../../../../util/index.mjs';
+
+// A "texture atlas" is a big canvas, and sections of it are used as textures for nodes/labels.
+
+/**
+ * A single square texture atlas (also known as a "sprite sheet").
+ */
+export class Atlas {
+
+ constructor(r, texSize, texRows, createTextureCanvas) {
+ this.debugID = Math.floor(Math.random() * 10000);
+ this.r = r;
+
+ this.texSize = texSize;
+ this.texRows = texRows;
+ this.texHeight = Math.floor(texSize / texRows);
+
+ this.enableWrapping = true; // hardcoded for now, can be made an option
+
+ this.locked = false; // once an atlas is locked it can no longer be drawn to
+ this.texture = null; // WebGLTexture object
+ this.needsBuffer = true;
+
+ // a "location" is an pointer into the atlas with a 'row' and 'x' fields
+ this.freePointer = { x: 0, row: 0 };
+
+ // map from the style key to the row/x where the texture starts
+ // if the texture wraps then there's a second location
+ this.keyToLocation = new Map(); // styleKey -> [ location, location ]
+
+ this.canvas = createTextureCanvas(r, texSize, texSize);
+ this.scratch = createTextureCanvas(r, texSize, this.texHeight, 'scratch');
+ }
+
+ lock() {
+ this.locked = true;
+ }
+
+ getKeys() {
+ return new Set(this.keyToLocation.keys());
+ }
+
+ getScale({ w, h }) {
+ const { texHeight, texSize: maxTexWidth } = this;
+ // try to fit to the height of a row
+ let scale = texHeight / h; // TODO what about pixelRatio?
+ let texW = w * scale;
+ let texH = h * scale;
+ // if the scaled width is too wide then scale to fit max width instead
+ if(texW > maxTexWidth) {
+ scale = maxTexWidth / w;
+ texW = w * scale;
+ texH = h * scale;
+ }
+ return { scale, texW, texH };
+ }
+
+
+ draw(key, bb, doDrawing) {
+ if(this.locked)
+ throw new Error('can\'t draw, atlas is locked');
+
+ const { texSize, texRows, texHeight } = this;
+ const { scale, texW, texH } = this.getScale(bb);
+
+ const drawAt = (location, canvas) => {
+ if(doDrawing && canvas) {
+ const { context } = canvas;
+ const { x, row } = location;
+ const xOffset = x;
+ const yOffset = texHeight * row;
+
+ context.save();
+ context.translate(xOffset, yOffset);
+ context.scale(scale, scale);
+ doDrawing(context, bb);
+ context.restore();
+ }
+ };
+
+ const locations = [ null, null ];
+
+ const drawNormal = () => {
+ // don't need to wrap, draw directly on the canvas
+ drawAt(this.freePointer, this.canvas);
+
+ locations[0] = {
+ x: this.freePointer.x,
+ y: this.freePointer.row * texHeight,
+ w: texW,
+ h: texH
+ };
+ locations[1] = { // create a second location with a width of 0, for convenience
+ x: this.freePointer.x + texW,
+ y: this.freePointer.row * texHeight,
+ w: 0,
+ h: texH
+ };
+
+ // move the pointer to the end of the texture
+ this.freePointer.x += texW;
+ if(this.freePointer.x == texSize) {
+ this.freePointer.x = 0;
+ this.freePointer.row++;
+ }
+ };
+
+ const drawWrapped = () => {
+ const { scratch, canvas } = this;
+
+ // Draw to the scratch canvas
+ scratch.clear();
+ drawAt({ x:0, row:0 }, scratch);
+
+ const firstTexW = texSize - this.freePointer.x;
+ const secondTexW = texW - firstTexW;
+ const h = texHeight;
+
+ { // copy first part of scratch to the first texture
+ const dx = this.freePointer.x;
+ const dy = this.freePointer.row * texHeight;
+ const w = firstTexW;
+
+ canvas.context.drawImage(scratch,
+ 0, 0, w, h,
+ dx, dy, w, h
+ );
+
+ locations[0] = {
+ x: dx,
+ y: dy,
+ w: w,
+ h: texH
+ };
+ }
+ { // copy second part of scratch to the second texture
+ const sx = firstTexW;
+ const dy = (this.freePointer.row + 1) * texHeight;
+ const w = secondTexW;
+
+ if(canvas) {
+ canvas.context.drawImage(scratch,
+ sx, 0, w, h,
+ 0, dy, w, h
+ );
+ }
+
+ locations[1] = {
+ x: 0,
+ y: dy,
+ w: w,
+ h: texH
+ };
+ }
+
+ this.freePointer.x = secondTexW;
+ this.freePointer.row++;
+ };
+
+ const moveToStartOfNextRow = () => {
+ this.freePointer.x = 0;
+ this.freePointer.row++;
+ };
+
+ if(this.freePointer.x + texW <= texSize) { // There's enough space in the current row
+ drawNormal();
+ } else if(this.freePointer.row >= texRows-1) { // Need to move to the next row, but there are no more rows, atlas is full.
+ return false;
+ } else if(this.freePointer.x === texSize) { // happen to be right at end of current row
+ moveToStartOfNextRow();
+ drawNormal();
+ } else if(this.enableWrapping) { // draw part of the texture to the end of the curent row, then wrap to the next row
+ drawWrapped();
+ } else { // move to the start of the next row, then draw normally
+ moveToStartOfNextRow();
+ drawNormal();
+ }
+
+ this.keyToLocation.set(key, locations);
+ this.needsBuffer = true;
+ return locations;
+ }
+
+ getOffsets(key) {
+ return this.keyToLocation.get(key);
+ }
+
+ isEmpty() {
+ return this.freePointer.x === 0 && this.freePointer.row === 0;
+ }
+
+ canFit(bb) {
+ if(this.locked)
+ return false;
+
+ const { texSize, texRows } = this;
+ const { texW } = this.getScale(bb);
+ if(this.freePointer.x + texW > texSize) { // need to wrap
+ return this.freePointer.row < texRows - 1; // return true if there's a row to wrap to
+ }
+ return true;
+ }
+
+ // called on every frame
+ bufferIfNeeded(gl) {
+ if(!this.texture) {
+ this.texture = util.createTexture(gl, this.debugID);
+ }
+ if(this.needsBuffer) {
+ this.texture.buffer(this.canvas);
+ this.needsBuffer = false;
+
+ if(this.locked) {
+ this.canvas = null;
+ this.scratch = null;
+ }
+ }
+ }
+
+ dispose() {
+ if(this.texture) {
+ this.texture.deleteTexture();
+ this.texture = null;
+ }
+ this.canvas = null;
+ this.scratch = null;
+ this.locked = true;
+ }
+
+}
+
+/**
+ * A collection of texture atlases, all of the same "render type".
+ * ('node-body' is an example of a render type.)
+ * An AtlasCollection can also be notified when a texture is no longer needed,
+ * and it can garbage collect the unused textures.
+ */
+export class AtlasCollection {
+
+ constructor(r, texSize, texRows, createTextureCanvas) {
+ this.r = r;
+
+ this.texSize = texSize;
+ this.texRows = texRows;
+ this.createTextureCanvas = createTextureCanvas;
+
+ this.atlases = [];
+ this.styleKeyToAtlas = new Map();
+ this.markedKeys = new Set(); // marked for garbage collection
+ }
+
+ getKeys() {
+ return new Set(this.styleKeyToAtlas.keys());
+ }
+
+ _createAtlas() {
+ const { r, texSize, texRows, createTextureCanvas } = this;
+ return new Atlas(r, texSize, texRows, createTextureCanvas);
+ }
+
+ _getScratchCanvas() {
+ if(!this.scratch) {
+ const { r, texSize, texRows, createTextureCanvas } = this;
+ const texHeight = Math.floor(texSize / texRows);
+ this.scratch = createTextureCanvas(r, texSize, texHeight, 'scratch');
+ }
+ return this.scratch;
+ }
+
+ draw(key, bb, doDrawing) {
+ let atlas = this.styleKeyToAtlas.get(key);
+ if(!atlas) {
+ // check for space at the end of the last atlas
+ atlas = this.atlases[this.atlases.length - 1];
+ if(!atlas || !atlas.canFit(bb)) {
+ if(atlas)
+ atlas.lock();
+ // create a new atlas
+ atlas = this._createAtlas();
+ this.atlases.push(atlas);
+ }
+
+ atlas.draw(key, bb, doDrawing);
+
+ this.styleKeyToAtlas.set(key, atlas);
+ }
+ return atlas;
+ }
+
+ getAtlas(key) {
+ return this.styleKeyToAtlas.get(key);
+ }
+
+ hasAtlas(key) {
+ return this.styleKeyToAtlas.has(key);
+ }
+
+ markKeyForGC(key) {
+ this.markedKeys.add(key);
+ }
+
+ gc() {
+ const { markedKeys } = this;
+ if(markedKeys.size === 0) {
+ console.log('nothing to garbage collect');
+ return;
+ }
+
+ const newAtlases = [];
+ const newStyleKeyToAtlas = new Map();
+
+ let newAtlas = null;
+
+ for(const atlas of this.atlases) {
+ const keys = atlas.getKeys();
+ const keysToCollect = intersection(markedKeys, keys);
+
+ if(keysToCollect.size === 0) {
+ // this atlas can still be used
+ newAtlases.push(atlas);
+ keys.forEach(k => newStyleKeyToAtlas.set(k, atlas));
+ continue;
+ }
+
+ if(!newAtlas) {
+ newAtlas = this._createAtlas();
+ newAtlases.push(newAtlas);
+ }
+
+ for(const key of keys) {
+ if(!keysToCollect.has(key)) {
+ const [ s1, s2 ] = atlas.getOffsets(key);
+ if(!newAtlas.canFit({ w: s1.w + s2.w, h: s1.h })) {
+ newAtlas.lock();
+ newAtlas = this._createAtlas();
+ newAtlases.push(newAtlas);
+ }
+ if(atlas.canvas) {
+ // if the texture can't be copied then it will have to be redrawn on the next frame
+ this._copyTextureToNewAtlas(key, atlas, newAtlas);
+ newStyleKeyToAtlas.set(key, newAtlas);
+ }
+ }
+ }
+
+ atlas.dispose();
+ }
+
+ this.atlases = newAtlases;
+ this.styleKeyToAtlas = newStyleKeyToAtlas;
+ this.markedKeys = new Set();
+ }
+
+
+ _copyTextureToNewAtlas(key, oldAtlas, newAtlas) {
+ const [ s1, s2 ] = oldAtlas.getOffsets(key);
+
+ if(s2.w === 0) { // the texture does not wrap, draw directly to new atlas
+ newAtlas.draw(key, s1, context => {
+ context.drawImage(oldAtlas.canvas,
+ s1.x, s1.y, s1.w, s1.h,
+ 0, 0, s1.w, s1.h
+ );
+ });
+ } else {
+ // the texture wraps, first draw both parts to a scratch canvas
+ const scratch = this._getScratchCanvas();
+ scratch.clear();
+ scratch.context.drawImage(oldAtlas.canvas,
+ s1.x, s1.y, s1.w, s1.h,
+ 0, 0, s1.w, s1.h
+ );
+ scratch.context.drawImage(oldAtlas.canvas,
+ s2.x, s2.y, s2.w, s2.h,
+ s1.w, 0, s2.w, s2.h
+ );
+
+ // now draw the scratch to the new atlas
+ const w = s1.w + s2.w;
+ const h = s1.h;
+ newAtlas.draw(key, { w, h }, context => {
+ context.drawImage(scratch,
+ 0, 0, w, h,
+ 0, 0, w, h // the destination context has already been translated to the correct position
+ );
+ });
+ }
+ }
+
+ getCounts() {
+ return {
+ keyCount: this.styleKeyToAtlas.size,
+ atlasCount: new Set(this.styleKeyToAtlas.values()).size
+ };
+ }
+
+}
+
+
+function intersection(set1, set2) {
+ // TODO why no Set.intersection in node 16???
+ if(set1.intersection)
+ return set1.intersection(set2);
+ else
+ return new Set([...set1].filter(x => set2.has(x)));
+}
+
+
+/**
+ * Used to manage batches of Atlases for drawing nodes and labels.
+ * Supports different types of AtlasCollections for different render types,
+ * for example 'node-body' and 'node-label' would be different render types.
+ * Render types are kept separate because they will likely need to be garbage collected
+ * separately and its not entierly guaranteed that their style keys won't collide.
+ */
+export class AtlasManager {
+
+ constructor(r, globalOptions) {
+ this.r = r;
+
+ this.globalOptions = globalOptions;
+ this.atlasSize = globalOptions.webglTexSize;
+ this.maxAtlasesPerBatch = globalOptions.webglTexPerBatch;
+
+ this.renderTypes = new Map(); // renderType:string -> renderTypeOptions
+ this.collections = new Map(); // collectionName:string -> AtlasCollection
+
+ this.typeAndIdToKey = new Map(); // [renderType,id] => Array