72 lines
2.5 KiB
HTML
72 lines
2.5 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>CodeMirror: Autocomplete Demo</title>
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<link rel="stylesheet" href="../lib/codemirror.css">
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<script src="../lib/codemirror.js"></script>
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<script src="../lib/util/simple-hint.js"></script>
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<link rel="stylesheet" href="../lib/util/simple-hint.css">
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<script src="../lib/util/javascript-hint.js"></script>
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<script src="../mode/javascript/javascript.js"></script>
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<link rel="stylesheet" href="../doc/docs.css">
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<style type="text/css">.CodeMirror {border: 1px solid #eee;} .CodeMirror-scroll { height: 100% }</style>
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</head>
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<body>
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<h1>CodeMirror: Autocomplete demo</h1>
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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. See
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the code (<a href="../lib/util/simple-hint.js">here</a>
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and <a href="../lib/util/javascript-hint.js">here</a>) to figure out
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how it works.</p>
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<script>
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CodeMirror.commands.autocomplete = function(cm) {
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CodeMirror.simpleHint(cm, CodeMirror.javascriptHint);
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}
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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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});
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</script>
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</body>
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</html>
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