From 6557f9b346af2a5c7ebfaa37d363e97f2d467ddc Mon Sep 17 00:00:00 2001
From: irengrig <Irina.Chernushina@jetbrains.com>
Date: Tue, 28 Feb 2012 14:00:13 +0400
Subject: [PATCH] short diff in changes:  check change toolwindow for being
 disposed when checking if it is visible

---
 .../openapi/vcs/changes/ui/ChangesViewContentManager.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesViewContentManager.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesViewContentManager.java
index 342056c8607f..030f97347299 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesViewContentManager.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesViewContentManager.java
@@ -166,7 +166,7 @@ public class ChangesViewContentManager extends AbstractProjectComponent implemen
   }
   
   public boolean isToolwindowVisible() {
-    return myToolWindow.isVisible();
+    return ! myToolWindow.isDisposed() && myToolWindow.isVisible();
   }
 
   public void projectClosed() {