undo stuff working on rooms editor

1 files changed, 3 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/util/undo.js b/public/assets/javascripts/rectangles/util/undo.js
index 5d8593c..dfc74dc 100644
--- a/public/assets/javascripts/rectangles/util/undo.js
+++ b/public/assets/javascripts/rectangles/util/undo.js
@@ -1,6 +1,7 @@
 (function(){
 
   var UndoStack = function(){
+    this.debug = true
     this.stack = []
     this.types = {}
     this.pointer = -1
@@ -17,6 +18,7 @@
   UndoStack.prototype.undo = function(){
     if (this.pointer == -1) return false
     var action = this.stack[this.pointer]
+    this.debug && console.log("undo", action.type)
     this.types[ action.type ].undo(action.prev)
     this.pointer--
     return this.pointer > -1
@@ -25,6 +27,7 @@
     if (this.pointer == this.stack.length-1) return false
     this.pointer++
     var action = this.stack[this.pointer]
+    this.debug && console.log("redo", action.type)
     this.types[ action.type ].redo(action.next)
     return this.pointer < this.stack.length-1
   }