Remove trunk directory

2009-11-06 23:30:29 -02:00
parent 2494133fed
commit 75470a91fd
715 changed files with 0 additions and 0 deletions
--- a/mindplot/src/main/javascript/DesignerUndoManager.js
+++ b/mindplot/src/main/javascript/DesignerUndoManager.js
@@ -0,0 +1,93 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (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.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+* $Id: file 64488 2006-03-10 17:32:09Z paulo $
+*/
+
+mindplot.DesignerUndoManager = new Class({
+    initialize: function()
+    {
+        this._undoQueue = [];
+        this._redoQueue = [];
+        this._baseId = 0;
+    },
+    enqueue:function(command)
+    {
+        core.assert(command, "Command can  not be null");
+        var length = this._undoQueue.length;
+        if (command.discartDuplicated && length > 0)
+        {
+            // Skip duplicated events ...
+            var lastItem = this._undoQueue[length - 1];
+            if (lastItem.discartDuplicated != command.discartDuplicated)
+            {
+                this._undoQueue.push(command);
+            }
+        } else
+        {
+            this._undoQueue.push(command);
+        }
+        this._redoQueue = [];
+    },
+    execUndo: function(commandContext)
+    {
+        if (this._undoQueue.length > 0)
+        {
+            var command = this._undoQueue.pop();
+            this._redoQueue.push(command);
+
+            command.undoExecute(commandContext);
+        }
+    },
+    execRedo: function(commandContext)
+    {
+        if (this._redoQueue.length > 0)
+        {
+            var command = this._redoQueue.pop();
+            this._undoQueue.push(command);
+            command.execute(commandContext);
+        }
+    },
+    _buildEvent: function()
+    {
+        return {undoSteps: this._undoQueue.length, redoSteps:this._redoQueue.length};
+    },
+    markAsChangeBase: function()
+    {
+        var undoLenght = this._undoQueue.length;
+        if (undoLenght > 0)
+        {
+            var command = this._undoQueue[undoLenght - 1];
+            this._baseId = command.getId();
+        } else
+        {
+            this._baseId = 0;
+        }
+    },
+    hasBeenChanged: function()
+    {
+        var result = true;
+        var undoLenght = this._undoQueue.length;
+        if (undoLenght == 0 && this._baseId == 0)
+        {
+            result = false;
+        } else if(undoLenght>0)
+        {
+            var command = this._undoQueue[undoLenght - 1];
+            result = (this._baseId != command.getId());
+        }
+        return result;
+    }});