wcfsetup/install/files/js/3rdParty/codemirror/addon/edit/closebrackets.js

   1 (function(mod) {
   2   if (typeof exports == "object" && typeof module == "object") // CommonJS
   3     mod(require("../../lib/codemirror"));
   4   else if (typeof define == "function" && define.amd) // AMD
   5     define(["../../lib/codemirror"], mod);
   6   else // Plain browser env
   7     mod(CodeMirror);
   8 })(function(CodeMirror) {
   9   var DEFAULT_BRACKETS = "()[]{}''\"\"";
  10   var DEFAULT_EXPLODE_ON_ENTER = "[]{}";
  11   var SPACE_CHAR_REGEX = /\s/;
  12
  13   CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
  14     if (old != CodeMirror.Init && old)
  15       cm.removeKeyMap("autoCloseBrackets");
  16     if (!val) return;
  17     var pairs = DEFAULT_BRACKETS, explode = DEFAULT_EXPLODE_ON_ENTER;
  18     if (typeof val == "string") pairs = val;
  19     else if (typeof val == "object") {
  20       if (val.pairs != null) pairs = val.pairs;
  21       if (val.explode != null) explode = val.explode;
  22     }
  23     var map = buildKeymap(pairs);
  24     if (explode) map.Enter = buildExplodeHandler(explode);
  25     cm.addKeyMap(map);
  26   });
  27
  28   function charsAround(cm, pos) {
  29     var str = cm.getRange(CodeMirror.Pos(pos.line, pos.ch - 1),
  30                           CodeMirror.Pos(pos.line, pos.ch + 1));
  31     return str.length == 2 ? str : null;
  32   }
  33
  34   function buildKeymap(pairs) {
  35     var map = {
  36       name : "autoCloseBrackets",
  37       Backspace: function(cm) {
  38         if (cm.getOption("disableInput")) return CodeMirror.Pass;
  39         var ranges = cm.listSelections();
  40         for (var i = 0; i < ranges.length; i++) {
  41           if (!ranges[i].empty()) return CodeMirror.Pass;
  42           var around = charsAround(cm, ranges[i].head);
  43           if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
  44         }
  45         for (var i = ranges.length - 1; i >= 0; i--) {
  46           var cur = ranges[i].head;
  47           cm.replaceRange("", CodeMirror.Pos(cur.line, cur.ch - 1), CodeMirror.Pos(cur.line, cur.ch + 1));
  48         }
  49       }
  50     };
  51     var closingBrackets = "";
  52     for (var i = 0; i < pairs.length; i += 2) (function(left, right) {
  53       if (left != right) closingBrackets += right;
  54       map["'" + left + "'"] = function(cm) {
  55         if (cm.getOption("disableInput")) return CodeMirror.Pass;
  56         var ranges = cm.listSelections(), type, next;
  57         for (var i = 0; i < ranges.length; i++) {
  58           var range = ranges[i], cur = range.head, curType;
  59           if (left == "'" && cm.getTokenTypeAt(cur) == "comment")
  60             return CodeMirror.Pass;
  61           var next = cm.getRange(cur, CodeMirror.Pos(cur.line, cur.ch + 1));
  62           if (!range.empty())
  63             curType = "surround";
  64           else if (left == right && next == right)
  65             curType = "skip";
  66           else if (left == right && CodeMirror.isWordChar(next))
  67             return CodeMirror.Pass;
  68           else if (cm.getLine(cur.line).length == cur.ch || closingBrackets.indexOf(next) >= 0 || SPACE_CHAR_REGEX.test(next))
  69             curType = "both";
  70           else
  71             return CodeMirror.Pass;
  72           if (!type) type = curType;
  73           else if (type != curType) return CodeMirror.Pass;
  74         }
  75
  76         if (type == "skip") {
  77           cm.execCommand("goCharRight");
  78         } else if (type == "surround") {
  79           var sels = cm.getSelections();
  80           for (var i = 0; i < sels.length; i++)
  81             sels[i] = left + sels[i] + right;
  82           cm.replaceSelections(sels, "around");
  83         } else if (type == "both") {
  84           cm.replaceSelection(left + right, null);
  85           cm.execCommand("goCharLeft");
  86         }
  87       };
  88       if (left != right) map["'" + right + "'"] = function(cm) {
  89         var ranges = cm.listSelections();
  90         for (var i = 0; i < ranges.length; i++) {
  91           var range = ranges[i];
  92           if (!range.empty() ||
  93               cm.getRange(range.head, CodeMirror.Pos(range.head.line, range.head.ch + 1)) != right)
  94             return CodeMirror.Pass;
  95         }
  96         cm.execCommand("goCharRight");
  97       };
  98     })(pairs.charAt(i), pairs.charAt(i + 1));
  99     return map;
 100   }
 101
 102   function buildExplodeHandler(pairs) {
 103     return function(cm) {
 104       if (cm.getOption("disableInput")) return CodeMirror.Pass;
 105       var ranges = cm.listSelections();
 106       for (var i = 0; i < ranges.length; i++) {
 107         if (!ranges[i].empty()) return CodeMirror.Pass;
 108         var around = charsAround(cm, ranges[i].head);
 109         if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
 110       }
 111       cm.operation(function() {
 112         cm.replaceSelection("\n\n", null);
 113         cm.execCommand("goCharLeft");
 114         ranges = cm.listSelections();
 115         for (var i = 0; i < ranges.length; i++) {
 116           var line = ranges[i].head.line;
 117           cm.indentLine(line, null, true);
 118           cm.indentLine(line + 1, null, true);
 119         }
 120       });
 121     };
 122   }
 123 });