| | <!doctype html> |
| |
|
| | <title>CodeMirror: Autocomplete Demo</title> |
| | <meta charset="utf-8"/> |
| | <link rel=stylesheet href="../doc/docs.css"> |
| |
|
| | <link rel="stylesheet" href="../lib/codemirror.css"> |
| | <link rel="stylesheet" href="../addon/hint/show-hint.css"> |
| | <script src="../lib/codemirror.js"></script> |
| | <script src="../addon/hint/show-hint.js"></script> |
| | <script src="../addon/hint/javascript-hint.js"></script> |
| | <script src="../mode/javascript/javascript.js"></script> |
| | <script src="../mode/markdown/markdown.js"></script> |
| |
|
| | <div id=nav> |
| | <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a> |
| |
|
| | <ul> |
| | <li><a href="../index.html">Home</a> |
| | <li><a href="../doc/manual.html">Manual</a> |
| | <li><a href="https://github.com/codemirror/codemirror">Code</a> |
| | </ul> |
| | <ul> |
| | <li><a class=active href="#">Autocomplete</a> |
| | </ul> |
| | </div> |
| |
|
| | <article> |
| | <h2>Autocomplete Demo</h2> |
| | <form><textarea id="code" name="code"> |
| | function getCompletions(token, context) { |
| | var found = [], start = token.string; |
| | function maybeAdd(str) { |
| | if (str.indexOf(start) == 0) found.push(str); |
| | } |
| | function gatherCompletions(obj) { |
| | if (typeof obj == "string") forEach(stringProps, maybeAdd); |
| | else if (obj instanceof Array) forEach(arrayProps, maybeAdd); |
| | else if (obj instanceof Function) forEach(funcProps, maybeAdd); |
| | for (var name in obj) maybeAdd(name); |
| | } |
| |
|
| | if (context) { |
| | // If this is a property, see if it belongs to some object we can |
| | // find in the current environment. |
| | var obj = context.pop(), base; |
| | if (obj.className == "js-variable") |
| | base = window[obj.string]; |
| | else if (obj.className == "js-string") |
| | base = ""; |
| | else if (obj.className == "js-atom") |
| | base = 1; |
| | while (base != null && context.length) |
| | base = base[context.pop().string]; |
| | if (base != null) gatherCompletions(base); |
| | } |
| | else { |
| | // If not, just look in the window object and any local scope |
| | // (reading into JS mode internals to get at the local variables) |
| | for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name); |
| | gatherCompletions(window); |
| | forEach(keywords, maybeAdd); |
| | } |
| | return found; |
| | } |
| | </textarea></form> |
| |
|
| | <p>Press <strong>ctrl-space</strong> to activate autocompletion. Built |
| | on top of the <a href="../doc/manual.html#addon_show-hint"><code>show-hint</code></a> |
| | and <a href="../doc/manual.html#addon_javascript-hint"><code>javascript-hint</code></a> |
| | addons.</p> |
| |
|
| | <form><textarea style="display: none" id="synonyms" name="synonyms"> |
| | Here, the completion use an asynchronous hinting function to provide |
| | synonyms for each words. If your browser support `Promises`, the |
| | hinting function can also return one. |
| | </textarea></form> |
| |
|
| | <script> |
| | var editor = CodeMirror.fromTextArea(document.getElementById("code"), { |
| | lineNumbers: true, |
| | extraKeys: {"Ctrl-Space": "autocomplete"}, |
| | mode: {name: "javascript", globalVars: true} |
| | }); |
| | |
| | if (typeof Promise !== "undefined") { |
| | var comp = [ |
| | ["here", "hither"], |
| | ["asynchronous", "nonsynchronous"], |
| | ["completion", "achievement", "conclusion", "culmination", "expirations"], |
| | ["hinting", "advise", "broach", "imply"], |
| | ["function","action"], |
| | ["provide", "add", "bring", "give"], |
| | ["synonyms", "equivalents"], |
| | ["words", "token"], |
| | ["each", "every"], |
| | ] |
| | |
| | function synonyms(cm, option) { |
| | return new Promise(function(accept) { |
| | setTimeout(function() { |
| | var cursor = cm.getCursor(), line = cm.getLine(cursor.line) |
| | var start = cursor.ch, end = cursor.ch |
| | while (start && /\w/.test(line.charAt(start - 1))) --start |
| | while (end < line.length && /\w/.test(line.charAt(end))) ++end |
| | var word = line.slice(start, end).toLowerCase() |
| | for (var i = 0; i < comp.length; i++) if (comp[i].indexOf(word) != -1) |
| | return accept({list: comp[i], |
| | from: CodeMirror.Pos(cursor.line, start), |
| | to: CodeMirror.Pos(cursor.line, end)}) |
| | return accept(null) |
| | }, 100) |
| | }) |
| | } |
| | |
| | var editor2 = CodeMirror.fromTextArea(document.getElementById("synonyms"), { |
| | extraKeys: {"Ctrl-Space": "autocomplete"}, |
| | lineNumbers: true, |
| | lineWrapping: true, |
| | mode: "text/x-markdown", |
| | hintOptions: {hint: synonyms} |
| | }) |
| | } |
| | </script> |
| |
|
| | </article> |
| |
|