folding.js in gollum-2.4.5

- old
+ new

@@ -1,41 +1,33 @@
-/* vim:ts=4:sts=4:sw=4:
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+/* ***** BEGIN LICENSE BLOCK *****
+ * Distributed under the BSD license:
  *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
+ * Copyright (c) 2010, Ajax.org B.V.
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Ajax.org B.V. nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Ajax.org Code Editor (ACE).
- *
- * The Initial Developer of the Original Code is
- * Ajax.org B.V.
- * Portions created by the Initial Developer are Copyright (C) 2010
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *      Julian Viereck <julian DOT viereck AT gmail DOT com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
  * ***** END LICENSE BLOCK ***** */
 
 define(function(require, exports, module) {
 "use strict";
 
@@ -280,13 +272,10 @@
         var startColumn = fold.start.column;
         var endRow = fold.end.row;
         var endColumn = fold.end.column;
 
         // --- Some checking ---
-        if (fold.placeholder.length < 2)
-            throw "Placeholder has to be at least 2 characters";
-
         if (startRow == endRow && endColumn - startColumn < 2)
             throw "The range has to be at least 2 characters width";
 
         var startFold = this.getFoldAt(startRow, startColumn, 1);
         var endFold = this.getFoldAt(endRow, endColumn, -1);
@@ -468,13 +457,11 @@
         return !!this.getFoldLine(docRow, startFoldRow);
     };
 
     this.getRowFoldEnd = function(docRow, startFoldRow) {
         var foldLine = this.getFoldLine(docRow, startFoldRow);
-        return (foldLine
-            ? foldLine.end.row
-            : docRow);
+        return foldLine ? foldLine.end.row : docRow;
     };
 
     this.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {
         if (startRow == null) {
             startRow = foldLine.start.row;
@@ -497,11 +484,11 @@
                 if (column < startColumn) {
                     return;
                 }
                 lastColumn = Math.max(startColumn, lastColumn);
             }
-            if (placeholder) {
+            if (placeholder != null) {
                 textLine += placeholder;
             } else {
                 textLine += doc.getLine(row).substring(lastColumn, column);
             }
         }.bind(this), endRow, endColumn);
@@ -596,34 +583,38 @@
         }
 
         this.addFold(placeholder, range);
     };
 
-    this.getCommentFoldRange = function(row, column) {
+    this.getCommentFoldRange = function(row, column, dir) {
         var iterator = new TokenIterator(this, row, column);
         var token = iterator.getCurrentToken();
         if (token && /^comment|string/.test(token.type)) {
             var range = new Range();
             var re = new RegExp(token.type.replace(/\..*/, "\\."));
-            do {
-                token = iterator.stepBackward();
-            } while(token && re.test(token.type));
-
-            iterator.stepForward();
+            if (dir != 1) {
+                do {
+                    token = iterator.stepBackward();
+                } while(token && re.test(token.type));
+                iterator.stepForward();
+            }
+            
             range.start.row = iterator.getCurrentTokenRow();
             range.start.column = iterator.getCurrentTokenColumn() + 2;
 
             iterator = new TokenIterator(this, row, column);
-
-            do {
-                token = iterator.stepForward();
-            } while(token && re.test(token.type));
             
-            token = iterator.stepBackward();
+            if (dir != -1) {
+                do {
+                    token = iterator.stepForward();
+                } while(token && re.test(token.type));
+                token = iterator.stepBackward();
+            } else
+                token = iterator.getCurrentToken();
 
             range.end.row = iterator.getCurrentTokenRow();
-            range.end.column = iterator.getCurrentTokenColumn() + token.value.length;
+            range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;
             return range;
         }
     };
 
     this.foldAll = function(startRow, endRow) {
@@ -636,11 +627,11 @@
                 continue;
 
             var range = this.getFoldWidgetRange(row);
             // sometimes range can be incompatible with existing fold
             // wouldn't it be better for addFold to return null istead of throwing?
-            if (range && range.end.row < endRow) try {
+            if (range && range.end.row <= endRow) try {
                 this.addFold("...", range);
             } catch(e) {}
         }
     };
     
@@ -691,10 +682,11 @@
         this.on('change', this.$updateFoldWidgets);
         
     };
 
     this.onFoldWidgetClick = function(row, e) {
+        e = e.domEvent;
         var type = this.getFoldWidget(row);
         var line = this.getLine(row);
         var onlySubfolds = e.shiftKey;
         var addSubfolds = onlySubfolds || e.ctrlKey || e.altKey || e.metaKey;
         var fold;
@@ -729,10 +721,10 @@
             if (addSubfolds)
                 this.foldAll(range.start.row + 1, range.end.row);
         } else {
             if (addSubfolds)
                 this.foldAll(row + 1, this.getLength());
-            e.target.className += " invalid"
+            (e.target || e.srcElement).className += " ace_invalid"
         }
     };
     
     this.updateFoldWidgets = function(e) {
         var delta = e.data;