From 5ebbe78e62c1f1ac0a067a661dd4ddc2b1938ddc Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Wed, 16 Mar 2011 17:47:34 +0100
Subject: [PATCH] EA-25847 - NPE: DesignDropTargetListener.dragExit

---
 .../uiDesigner/designSurface/DesignDropTargetListener.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/ui-designer/src/com/intellij/uiDesigner/designSurface/DesignDropTargetListener.java b/plugins/ui-designer/src/com/intellij/uiDesigner/designSurface/DesignDropTargetListener.java
index 7e1c548f8c49..d96eac097f48 100644
--- a/plugins/ui-designer/src/com/intellij/uiDesigner/designSurface/DesignDropTargetListener.java
+++ b/plugins/ui-designer/src/com/intellij/uiDesigner/designSurface/DesignDropTargetListener.java
@@ -178,7 +178,9 @@ class DesignDropTargetListener implements DropTargetListener {
 
   public void dragExit(DropTargetEvent dte) {
     try {
-      myComponentTree.setDropTargetComponent(null);
+      if (myComponentTree != null) {
+        myComponentTree.setDropTargetComponent(null);
+      }
       myUseDragDelta = false;
       if (myDraggedComponentList != null) {
         cancelDrag();