| <!doctype html> |
|
|
| <title>CodeMirror: Autocomplete Demo</title> |
| <meta charset="utf-8"/> |
| <link rel=stylesheet href="../doc/docs.css"> |
|
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| <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> |
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|
