codemirror
Version:
In-browser code editing made bearable
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HTML
<title>CodeMirror: Closebrackets Demo</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../doc/docs.css">
<link rel="stylesheet" href="../lib/codemirror.css">
<script src="../lib/codemirror.js"></script>
<script src="../addon/edit/closebrackets.js"></script>
<script src="../mode/javascript/javascript.js"></script>
<style type="text/css">
.CodeMirror {border-top: 1px solid #888; border-bottom: 1px solid #888;}
</style>
<div id=nav>
<a href="http://codemirror.net"><img id=logo src="../doc/logo.png"></a>
<ul>
<li><a href="../index.html">Home</a>
<li><a href="../doc/manual.html">Manual</a>
<li><a href="https://github.com/marijnh/codemirror">Code</a>
</ul>
<ul>
<li><a class=active href="#">Closebrackets</a>
</ul>
</div>
<article>
<h2>Closebrackets Demo</h2>
<form><textarea id="code" name="code">(function() {
var DEFAULT_BRACKETS = "()[]{}''\"\"";
CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
var wasOn = old && old != CodeMirror.Init;
if (val && !wasOn)
cm.addKeyMap(buildKeymap(typeof val == "string" ? val : DEFAULT_BRACKETS));
else if (!val && wasOn)
cm.removeKeyMap("autoCloseBrackets");
});
function buildKeymap(pairs) {
var map = {name : "autoCloseBrackets"};
for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
function maybeOverwrite(cm) {
var cur = cm.getCursor(), ahead = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));
if (ahead != right) return CodeMirror.Pass;
else cm.execCommand("goCharRight");
}
map["'" + left + "'"] = function(cm) {
if (left == right && maybeOverwrite(cm) != CodeMirror.Pass) return;
var cur = cm.getCursor(), ahead = CodeMirror.Pos(cur.line, cur.ch + 1);
cm.replaceSelection(left + right, {head: ahead, anchor: ahead});
};
if (left != right) map["'" + right + "'"] = maybeOverwrite;
})(pairs.charAt(i), pairs.charAt(i + 1));
return map;
}
})();
</textarea></form>
<script type="text/javascript">
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {autoCloseBrackets: true});
</script>
</article>