mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-06 00:48:41 +00:00
80 lines
2.6 KiB
HTML
80 lines
2.6 KiB
HTML
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<!doctype html>
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<title>CodeMirror: Autocomplete Demo</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../doc/docs.css">
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<link rel="stylesheet" href="../lib/codemirror.css">
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<link rel="stylesheet" href="../addon/hint/show-hint.css">
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<script src="../lib/codemirror.js"></script>
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<script src="../addon/hint/show-hint.js"></script>
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<script src="../addon/hint/javascript-hint.js"></script>
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<script src="../mode/javascript/javascript.js"></script>
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<div id=nav>
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<a href="http://codemirror.net"><img id=logo src="../doc/logo.png"></a>
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<ul>
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<li><a href="../index.html">Home</a>
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<li><a href="../doc/manual.html">Manual</a>
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<li><a href="https://github.com/marijnh/codemirror">Code</a>
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</ul>
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<ul>
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<li><a class=active href="#">Autocomplete</a>
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</ul>
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</div>
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<article>
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<h2>Autocomplete Demo</h2>
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<form><textarea id="code" name="code">
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function getCompletions(token, context) {
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var found = [], start = token.string;
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function maybeAdd(str) {
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if (str.indexOf(start) == 0) found.push(str);
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}
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function gatherCompletions(obj) {
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if (typeof obj == "string") forEach(stringProps, maybeAdd);
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else if (obj instanceof Array) forEach(arrayProps, maybeAdd);
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else if (obj instanceof Function) forEach(funcProps, maybeAdd);
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for (var name in obj) maybeAdd(name);
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}
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if (context) {
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// If this is a property, see if it belongs to some object we can
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// find in the current environment.
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var obj = context.pop(), base;
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if (obj.className == "js-variable")
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base = window[obj.string];
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else if (obj.className == "js-string")
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base = "";
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else if (obj.className == "js-atom")
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base = 1;
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while (base != null && context.length)
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base = base[context.pop().string];
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if (base != null) gatherCompletions(base);
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}
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else {
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// If not, just look in the window object and any local scope
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// (reading into JS mode internals to get at the local variables)
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for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name);
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gatherCompletions(window);
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forEach(keywords, maybeAdd);
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}
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return found;
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}
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</textarea></form>
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<p>Press <strong>ctrl-space</strong> to activate autocompletion. Built
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on top of the <a href="../doc/manual.html#addon_show-hint"><code>show-hint</code></a>
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and <a href="../doc/manual.html#addon_javascript-hint"><code>javascript-hint</code></a>
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addons.</p>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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lineNumbers: true,
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extraKeys: {"Ctrl-Space": "autocomplete"},
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mode: {name: "javascript", globalVars: true}
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});
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</script>
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</article>
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