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1 <!doctype html>
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2
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3 <title>CodeMirror: Any Word Completion Demo</title>
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4 <meta charset="utf-8"/>
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5 <link rel=stylesheet href="../doc/docs.css">
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6
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7 <link rel="stylesheet" href="../lib/codemirror.css">
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8 <link rel="stylesheet" href="../addon/hint/show-hint.css">
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9 <script src="../lib/codemirror.js"></script>
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10 <script src="../addon/hint/show-hint.js"></script>
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11 <script src="../addon/hint/anyword-hint.js" id=anyword></script>
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12 <script src="../mode/javascript/javascript.js"></script>
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13 <div id=nav>
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14 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
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15
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16 <ul>
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17 <li><a href="../index.html">Home</a>
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18 <li><a href="../doc/manual.html">Manual</a>
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19 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
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20 </ul>
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21 <ul>
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22 <li><a class=active href="#">Any Word Completion</a>
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23 </ul>
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24 </div>
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25
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26 <article>
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27 <h2>Any Word Completion Demo</h2>
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28 <form><textarea id="code" name="code">
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29 (function() {
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30 "use strict";
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31
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32 var WORD = /[\w$]+/, RANGE = 500;
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33
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34 CodeMirror.registerHelper("hint", "anyword", function(editor, options) {
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35 var word = options && options.word || WORD;
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36 var range = options && options.range || RANGE;
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37 var cur = editor.getCursor(), curLine = editor.getLine(cur.line);
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38 var end = cur.ch, start = end;
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39 while (start && word.test(curLine.charAt(start - 1))) --start;
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40 var curWord = start != end && curLine.slice(start, end);
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41
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42 var list = options && options.list || [], seen = {};
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43 var re = new RegExp(word.source, "g");
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44 for (var dir = -1; dir <= 1; dir += 2) {
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45 var line = cur.line, endLine = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir;
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46 for (; line != endLine; line += dir) {
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47 var text = editor.getLine(line), m;
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48 while (m = re.exec(text)) {
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49 if (line == cur.line && m[0] === curWord) continue;
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50 if ((!curWord || m[0].lastIndexOf(curWord, 0) == 0) && !Object.prototype.hasOwnProperty.call(seen, m[0])) {
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51 seen[m[0]] = true;
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52 list.push(m[0]);
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53 }
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54 }
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55 }
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56 }
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57 return {list: list, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)};
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58 });
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59 })();
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60 </textarea></form>
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61
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62 <p>Press <strong>ctrl-space</strong> to activate autocompletion. The
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63 completion uses
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64 the <a href="../doc/manual.html#addon_anyword-hint">anyword-hint.js</a>
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65 module, which simply looks at nearby words in the buffer and completes
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66 to those.</p>
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67
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68 <script>
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69 CodeMirror.commands.autocomplete = function(cm) {
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70 cm.showHint({hint: CodeMirror.hint.anyword});
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71 }
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72 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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73 lineNumbers: true,
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74 extraKeys: {"Ctrl-Space": "autocomplete"}
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75 });
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76 </script>
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77 </article>
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