X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=_source%2Fplugins%2Fundo%2Fplugin.js;h=b78995ca10d7daf6d6d8fd0532796beef30b4dfd;hb=refs%2Ftags%2Fv3.4.2;hp=e843d2360710aa1d7ac759e3bed73af0fed8b0d7;hpb=c6e377a02b54abc07129d72b632763c727476a15;p=ckeditor.git

diff --git a/_source/plugins/undo/plugin.js b/_source/plugins/undo/plugin.js
index e843d23..b78995c 100644
--- 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.
 				editor.fire( 'saveSnapshot' );
 			};
+
+			/**
+			 * Update the undo stacks with any subsequent DOM changes after this call.
+			 * @name CKEDITOR.editor#updateUndo
+			 * @example
+			 * function()
+			 * {
+			 * editor.fire( 'updateSnapshot' );
+			 * ...
+			 *  // Ask to include subsequent (in this call stack) DOM changes to be
+			 * // considered as part of the first snapshot.
+			 * 	editor.fire( 'updateSnapshot' );
+			 * 	editor.document.body.append(...);
+			 * ...
+			 * }
+			 */
+			editor.on( 'updateSnapshot', function()
+			{
+				if ( undoManager.currentImage && new Image( editor ).equals( undoManager.currentImage ) )
+					setTimeout( function() { undoManager.update(); }, 0 );
+			});
 		}
 	});
 
-	// Gets a snapshot image which represent the current document status.
-	function Image( editor )
+	CKEDITOR.plugins.undo = {};
+
+	/**
+	 * Undo snapshot which represents the current document status.
+	 * @name CKEDITOR.plugins.undo.Image
+	 * @param editor The editor instance on which the image is created.
+	 */
+	var Image = CKEDITOR.plugins.undo.Image = function( editor )
 	{
-		var contents	= editor.getSnapshot(),
+		this.editor = editor;
+		var contents = editor.getSnapshot(),
 			selection	= contents && editor.getSelection();
 
 		// In IE, we need to remove the expando attributes.
@@ -128,7 +156,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 
 		this.contents	= contents;
 		this.bookmarks	= selection && selection.createBookmarks2( true );
-	}
+	};
 
 	// Attributes that browser may changing them when setting via innerHTML.
 	var protectedAttrs = /\b(?:href|src|name)="[^"]*?"/gi;
@@ -137,6 +165,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 	{
 		equals : function( otherImage, contentOnly )
 		{
+
 			var thisContents = this.contents,
 				otherContents = otherImage.contents;
 
@@ -310,7 +339,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 			 */
 			this.index = -1;
 
-			this.limit = this.editor.config.undoStackSize;
+			this.limit = this.editor.config.undoStackSize || 20;
 
 			this.currentImage = null;
 
@@ -397,8 +426,7 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 			// Update current image with the actual editor
 			// content, since actualy content may differ from
 			// the original snapshot due to dom change. (#4622)
-			this.snapshots.splice( this.index, 1, ( this.currentImage =  new Image( this.editor ) ) );
-
+			this.update();
 			this.fireChange();
 		},
 
@@ -497,6 +525,14 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
 			}
 
 			return false;
+		},
+
+		/**
+		 * Update the last snapshot of the undo stack with the current editor content.
+		 */
+		update : function()
+		{
+			this.snapshots.splice( this.index, 1, ( this.currentImage = new Image( this.editor ) ) );
 		}
 	};
 })();
@@ -509,7 +545,6 @@ For licensing, see LICENSE.html or http://ckeditor.com/license
  * @example
  * config.undoStackSize = 50;
  */
-CKEDITOR.config.undoStackSize = 20;
 
 /**
  * Fired when the editor is about to save an undo snapshot. This event can be