vanilla ckeditor-3.2.2

[ckeditor.git] / _source / plugins / undo / plugin.js

diff --git a/_source/plugins/undo/plugin.js b/_source/plugins/undo/plugin.js
index e843d23..fde581f 100644 (file)
--- a/_source/plugins/undo/plugin.js
+++ b/_source/plugins/undo/plugin.js
@@ -114,13 +114,41 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                                // Create the first image.\r
                                editor.fire( 'saveSnapshot' );\r
                        };\r
+\r
+                       /**\r
+                        * Update the undo stacks with any subsequent DOM changes after this call.\r
+                        * @name CKEDITOR.editor#updateUndo\r
+                        * @example\r
+                        * function()\r
+                        * {\r
+                        * editor.fire( 'updateSnapshot' );\r
+                        * ...\r
+                        *  // Ask to include subsequent (in this call stack) DOM changes to be\r
+                        * // considered as part of the first snapshot.\r
+                        *      editor.fire( 'updateSnapshot' );\r
+                        *      editor.document.body.append(...);\r
+                        * ...\r
+                        * }\r
+                        */\r
+                       editor.on( 'updateSnapshot', function()\r
+                       {\r
+                               if ( undoManager.currentImage && new Image( editor ).equals( undoManager.currentImage ) )\r
+                                       setTimeout( function () { undoManager.update(); }, 0 );\r
+                       });\r
                }\r
        });\r
 \r
-       // Gets a snapshot image which represent the current document status.\r
-       function Image( editor )\r
+       CKEDITOR.plugins.undo = {};\r
+\r
+       /**\r
+        * Undo snapshot which represents the current document status.\r
+        * @name CKEDITOR.plugins.undo.Image\r
+        * @param editor The editor instance on which the image is created.\r
+        */\r
+       var Image = CKEDITOR.plugins.undo.Image = function( editor )\r
        {\r
-               var contents    = editor.getSnapshot(),\r
+               this.editor = editor;\r
+               var contents = editor.getSnapshot(),\r
                        selection       = contents && editor.getSelection();\r
 \r
                // In IE, we need to remove the expando attributes.\r
@@ -128,7 +156,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 \r
                this.contents   = contents;\r
                this.bookmarks  = selection && selection.createBookmarks2( true );\r
-       }\r
+       };\r
 \r
        // Attributes that browser may changing them when setting via innerHTML.\r
        var protectedAttrs = /\b(?:href|src|name)="[^"]*?"/gi;\r
@@ -137,6 +165,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
        {\r
                equals : function( otherImage, contentOnly )\r
                {\r
+\r
                        var thisContents = this.contents,\r
                                otherContents = otherImage.contents;\r
 \r
@@ -397,8 +426,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                        // Update current image with the actual editor\r
                        // content, since actualy content may differ from\r
                        // the original snapshot due to dom change. (#4622)\r
-                       this.snapshots.splice( this.index, 1, ( this.currentImage =  new Image( this.editor ) ) );\r
-\r
+                       this.update();\r
                        this.fireChange();\r
                },\r
 \r
@@ -497,6 +525,14 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
                        }\r
 \r
                        return false;\r
+               },\r
+\r
+               /**\r
+                * Update the last snapshot of the undo stack with the current editor content.\r
+                */\r
+               update : function()\r
+               {\r
+                       this.snapshots.splice( this.index, 1, ( this.currentImage = new Image( this.editor ) ) );\r
                }\r
        };\r
 })();\r