From bcb7e3f7202bd042f87174e394f23af69cb61190 Mon Sep 17 00:00:00 2001
From: rlx <0x0073@0x2620.org>
Date: Tue, 6 Aug 2013 18:59:15 +0000
Subject: [PATCH] fix clipboard unbind; add history events

---
 source/Ox.UI/js/Core/Clipboard.js |  2 +-
 source/Ox.UI/js/Core/History.js   | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/source/Ox.UI/js/Core/Clipboard.js b/source/Ox.UI/js/Core/Clipboard.js
index 0eed8a11..2b616b3f 100644
--- a/source/Ox.UI/js/Core/Clipboard.js
+++ b/source/Ox.UI/js/Core/Clipboard.js
@@ -64,7 +64,7 @@ Ox.Clipboard = function() {
             return clipboard.type;
         },
         unbindEvent: function() {
-            $element && $element.bindEvent.apply(this, arguments);
+            $element && $element.unbindEvent.apply(this, arguments);
         }
     };
 };
diff --git a/source/Ox.UI/js/Core/History.js b/source/Ox.UI/js/Core/History.js
index 61fb93f9..cbc21d07 100644
--- a/source/Ox.UI/js/Core/History.js
+++ b/source/Ox.UI/js/Core/History.js
@@ -9,7 +9,8 @@ Ox.History = function(options) {
     }, options || {});
 
     var history = [],
-        position = 0;
+        position = 0,
+        $element;
 
     return {
         _print: function() {
@@ -19,11 +20,19 @@ Ox.History = function(options) {
             items = Ox.makeArray(items);
             history = history.slice(0, position).concat(items);
             position += items.length;
+            $element && $element.triggerEvent('add');
             return history.length;
         },
+        bindEvent: function() {
+            if (!$element) {
+                $element = Ox.Element();
+            }
+            $element.bindEvent.apply(this, arguments);
+        },
         clear: function() {
             history = [];
             position = 0;
+            $element && $element.triggerEvent('clear');
             return history.length;
         },
         items: function() {
@@ -31,6 +40,7 @@ Ox.History = function(options) {
         },
         redo: function() {
             if (position < history.length) {
+                $element && $element.triggerEvent('redo');
                 return history[position++];
             }
         },
@@ -41,9 +51,13 @@ Ox.History = function(options) {
         },
         remove: function(test) {
             
+        },
+        unbindEvent: function() {
+            $element && $element.unbindEvent.apply(this, arguments);
         },
         undo: function() {
             if (position > 0) {
+                $element && $element.triggerEvent('undo');
                 return history[--position];
             }
         },