X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fappletgui%2FSeqPanel.java;h=c7e94323cbb98b1b6c11913a1b0d58e15cc58148;hb=797df64fa2a0a30773d0f48f5494d4155e5a8be3;hp=cce8c23b6d704af80cfb5894907f761a6eb07785;hpb=9e3e20c98eae9498a68bb0a770359564797a12ef;p=jalview.git

diff --git a/src/jalview/appletgui/SeqPanel.java b/src/jalview/appletgui/SeqPanel.java
index cce8c23..c7e9432 100644
--- a/src/jalview/appletgui/SeqPanel.java
+++ b/src/jalview/appletgui/SeqPanel.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
  * 
  * This file is part of Jalview.
  * 
@@ -458,7 +458,7 @@ public class SeqPanel extends Panel implements MouseMotionListener,
     SequenceI sequence = av.alignment.getSequenceAt(findSeq(evt));
     if (evt.getClickCount() > 1)
     {
-      if (av.getSelectionGroup().getSize() == 1
+      if (av.getSelectionGroup()!=null && av.getSelectionGroup().getSize() == 1
               && av.getSelectionGroup().getEndRes()
                       - av.getSelectionGroup().getStartRes() < 2)
       {