From c57ef67784a9f944461011acd41abd601ff2b1f0 Mon Sep 17 00:00:00 2001
From: Ilya Kulakov <kulakov.ilya@gmail.com>
Date: Wed, 25 Jul 2012 16:58:45 +0700
Subject: [PATCH] Starting from 10.7 NSUndoManager posts
 NSUndoManagerDidCloseUndoGroupNotification.

---
 Foundation/CPUndoManager.j | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Foundation/CPUndoManager.j b/Foundation/CPUndoManager.j
index 16a70cd37..42c24163b 100644
--- a/Foundation/CPUndoManager.j
+++ b/Foundation/CPUndoManager.j
@@ -35,6 +35,7 @@ var CPUndoManagerNormal     = 0,
 
 CPUndoManagerCheckpointNotification         = @"CPUndoManagerCheckpointNotification";
 CPUndoManagerDidOpenUndoGroupNotification   = @"CPUndoManagerDidOpenUndoGroupNotification";
+CPUndoManagerDidCloseUndoGroupNotification  = @"CPUndoManagerDidCloseUndoGroupNotification";
 CPUndoManagerDidRedoChangeNotification      = @"CPUndoManagerDidRedoChangeNotification";
 CPUndoManagerDidUndoChangeNotification      = @"CPUndoManagerDidUndoChangeNotification";
 CPUndoManagerWillCloseUndoGroupNotification = @"CPUndoManagerWillCloseUndoGroupNotification";
@@ -490,6 +491,10 @@ if (_currentGroup == nil)
 
         if (_levelsOfUndo > 0 && stack.length > _levelsOfUndo)
             stack.splice(0, 1);
+
+        [defaultCenter
+            postNotificationName:CPUndoManagerDidCloseUndoGroupNotification
+                          object:self];
     }
 
     // Nested Undo Grouping