From 2edcdd88ffc2f6ff0ea836e4da3e1fd2cb3e856f Mon Sep 17 00:00:00 2001
From: Ananya Sen
Date: Mon, 27 Feb 2012 17:39:26 -0800
Subject: persist undo/redo stack per html document

Signed-off-by: Ananya Sen <Ananya.Sen@motorola.com>
---
 js/controllers/undo-controller.js | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'js/controllers/undo-controller.js')

diff --git a/js/controllers/undo-controller.js b/js/controllers/undo-controller.js
index 926803d3..01853593 100755
--- a/js/controllers/undo-controller.js
+++ b/js/controllers/undo-controller.js
@@ -71,22 +71,28 @@ exports.UndoController = Montage.create( Component, {
     /**
      * Undo Queue
      */
-    _undoQueue: { value: [] },
+    _undoQueue: { value: [], writable:true },
 
     undoQueue: {
         get: function() {
             return this._undoQueue;
+        },
+        set: function(value){
+            this._undoQueue = value;
         }
     },
 
     /**
      * Redo Queue
      */
-    _redoQueue: { value: [], enumerable: false },
+    _redoQueue: { value: [], enumerable: false, writable:true },
 
     redoQueue: {
         get: function() {
             return this._redoQueue;
+        },
+        set: function(value){
+            this._redoQueue = value;
         }
     },
 
@@ -202,5 +208,12 @@ exports.UndoController = Montage.create( Component, {
             this.redoQueue.splice(0, this.redoQueue.length);
             //this.redoQueue = [];
         }
+    },
+
+    clearHistory:{
+        value: function(){
+            this.undoQueue.splice(0, this.undoQueue.length);
+            this.redoQueue.splice(0, this.redoQueue.length);
+        }
     }
 });
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