CodeMirror: Closebrackets Demo in CSS Editor 7
Type a bracket like '[', '(', '{', '"', or ''' and the addon will auto-close it. Type the closing variant when directly in front of a matching character and it will overwrite it.
If you backspace over a starting bracket while inside empty brackets
(e.g. {|}
), it will delete the closing bracket for you.
File
lib/codemirror-3.11/demo/closebrackets.htmlView source
<!doctype html> <html> <head> <meta charset="utf-8"> <title>CodeMirror: Closebrackets Demo</title> <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> <link rel="stylesheet" href="../doc/docs.css"> <style type="text/css"> .CodeMirror {border-top: 1px solid #888; border-bottom: 1px solid #888;} </style> </head> <body> <h1>CodeMirror: Closebrackets Demo</h1> <p>Type a bracket like '[', '(', '{', '"', or ''' and <a href="../doc/manual.html#addon_closebrackets">the addon</a> will auto-close it. Type the closing variant when directly in front of a matching character and it will overwrite it.</p> <p>If you backspace over a starting bracket while inside empty brackets (e.g. <code>{|}</code>), it will delete the closing bracket for you.</p> <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> </body> </html>