From caad5235ffa8a7258d76baa745daf19cad9f5f87 Mon Sep 17 00:00:00 2001
From: "andrey.zaytsev" <andrey.zaytsev@jetbrains.com>
Date: Tue, 30 Apr 2013 17:34:30 +0400
Subject: [PATCH] fix NPE's

---
 .../find/impl/livePreview/LivePreviewController.java        | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/find/impl/livePreview/LivePreviewController.java b/platform/lang-impl/src/com/intellij/find/impl/livePreview/LivePreviewController.java
index ee54afdc4e6b..b85867b11b4c 100644
--- a/platform/lang-impl/src/com/intellij/find/impl/livePreview/LivePreviewController.java
+++ b/platform/lang-impl/src/com/intellij/find/impl/livePreview/LivePreviewController.java
@@ -299,11 +299,12 @@ public class LivePreviewController implements LivePreview.Delegate, FindUtil.Rep
   }
 
   public void dispose() {
-    off();
     if (myDisposed) return;
 
-    mySearchResults.dispose();
     myLivePreview.cleanUp();
+    off();
+
+    mySearchResults.dispose();
     getEditor().getDocument().removeDocumentListener(myDocumentListener);
     myDisposed = true;
   }
@@ -325,6 +326,7 @@ public class LivePreviewController implements LivePreview.Delegate, FindUtil.Rep
   public void off() {
     if (myDisposed) return;
 
+    setTrackingDocument(false);
     setLivePreview(null);
     setTrackingSelection(false);
   }