5 <title>CodeMirror: Closebrackets Demo</title>
6 <link rel="stylesheet" href="../lib/codemirror.css">
7 <script src="../lib/codemirror.js"></script>
8 <script src="../addon/edit/closebrackets.js"></script>
9 <script src="../mode/javascript/javascript.js"></script>
10 <link rel="stylesheet" href="../doc/docs.css">
11 <style type="text/css">
12 .CodeMirror {border-top: 1px solid #888; border-bottom: 1px solid #888;}
17 <h1>CodeMirror: Closebrackets Demo</h1>
19 <p>Type a bracket like '[', '(', '{', '"', or '''
20 and <a href="../doc/manual.html#addon_closebrackets">the addon</a>
21 will auto-close it. Type the closing variant when directly in
22 front of a matching character and it will overwrite it.</p>
24 <p>If you backspace over a starting bracket while inside empty brackets
25 (e.g. <code>{|}</code>), it will delete the closing bracket for you.</p>
28 <form><textarea id="code" name="code">(function() {
29 var DEFAULT_BRACKETS = "()[]{}''\"\"";
31 CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
32 var wasOn = old && old != CodeMirror.Init;
34 cm.addKeyMap(buildKeymap(typeof val == "string" ? val : DEFAULT_BRACKETS));
35 else if (!val && wasOn)
36 cm.removeKeyMap("autoCloseBrackets");
39 function buildKeymap(pairs) {
40 var map = {name : "autoCloseBrackets"};
41 for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
42 function maybeOverwrite(cm) {
43 var cur = cm.getCursor(), ahead = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));
44 if (ahead != right) return CodeMirror.Pass;
45 else cm.execCommand("goCharRight");
47 map["'" + left + "'"] = function(cm) {
48 if (left == right && maybeOverwrite(cm) != CodeMirror.Pass) return;
49 var cur = cm.getCursor(), ahead = CodeMirror.Pos(cur.line, cur.ch + 1);
50 cm.replaceSelection(left + right, {head: ahead, anchor: ahead});
52 if (left != right) map["'" + right + "'"] = maybeOverwrite;
53 })(pairs.charAt(i), pairs.charAt(i + 1));
59 <script type="text/javascript">
60 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {autoCloseBrackets: true});