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77 lines
2.7 KiB
77 lines
2.7 KiB
<!doctype html>
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<title>CodeMirror: Any Word Completion 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/anyword-hint.js" id=anyword></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="https://codemirror.net/5"><h1>CodeMirror</h1><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/codemirror/codemirror5">Code</a>
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</ul>
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<ul>
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<li><a class=active href="#">Any Word Completion</a>
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</ul>
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</div>
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<article>
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<h2>Any Word Completion Demo</h2>
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<form><textarea id="code" name="code">
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(function() {
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"use strict";
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var WORD = /[\w$]+/, RANGE = 500;
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CodeMirror.registerHelper("hint", "anyword", function(editor, options) {
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var word = options && options.word || WORD;
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var range = options && options.range || RANGE;
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var cur = editor.getCursor(), curLine = editor.getLine(cur.line);
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var end = cur.ch, start = end;
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while (start && word.test(curLine.charAt(start - 1))) --start;
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var curWord = start != end && curLine.slice(start, end);
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var list = options && options.list || [], seen = {};
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var re = new RegExp(word.source, "g");
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for (var dir = -1; dir <= 1; dir += 2) {
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var line = cur.line, endLine = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir;
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for (; line != endLine; line += dir) {
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var text = editor.getLine(line), m;
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while (m = re.exec(text)) {
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if (line == cur.line && m[0] === curWord) continue;
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if ((!curWord || m[0].lastIndexOf(curWord, 0) == 0) && !Object.prototype.hasOwnProperty.call(seen, m[0])) {
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seen[m[0]] = true;
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list.push(m[0]);
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}
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}
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}
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}
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return {list: list, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)};
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});
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})();
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</textarea></form>
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<p>Press <strong>ctrl-space</strong> to activate autocompletion. The
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completion uses
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the <a href="../doc/manual.html#addon_anyword-hint">anyword-hint.js</a>
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module, which simply looks at nearby words in the buffer and completes
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to those.</p>
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<script>
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CodeMirror.commands.autocomplete = function(cm) {
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cm.showHint({hint: CodeMirror.hint.anyword});
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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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</article>
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