From a968da0682270ee5863240e1fc5782bbf749ce70 Mon Sep 17 00:00:00 2001
From: Teemu Suo-Anttila <teemusa@vaadin.com>
Date: Thu, 17 Sep 2015 11:50:14 +0300
Subject: Fix Sidebar isOpen to not throw an exception (#18918)

Change-Id: I4a60e5a4d8939f996d72fe2234ea945e6afb5542
---
 client/src/com/vaadin/client/widgets/Grid.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'client')

diff --git a/client/src/com/vaadin/client/widgets/Grid.java b/client/src/com/vaadin/client/widgets/Grid.java
index 54d7f86e41..dbdcb2a07b 100644
--- a/client/src/com/vaadin/client/widgets/Grid.java
+++ b/client/src/com/vaadin/client/widgets/Grid.java
@@ -3742,7 +3742,7 @@ public class Grid<T> extends ResizeComposite implements
          * @return <code>true</code> if open, <code>false</code> if not
          */
         public boolean isOpen() {
-            return content.getParent() == rootContainer;
+            return content != null && content.getParent() == rootContainer;
         }
 
         @Override
-- 
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