From 82483c09d45298e6f93a7d3d2b537598cc0451b5 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 2 Feb 2007 17:17:10 +0000
Subject: [PATCH] catch control down before editing null pointer

---
 src/jalview/appletgui/SeqPanel.java |    7 +++++++
 src/jalview/gui/SeqPanel.java       |    6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/src/jalview/appletgui/SeqPanel.java b/src/jalview/appletgui/SeqPanel.java
index 8b9b5cb..6c1a619 100755
--- a/src/jalview/appletgui/SeqPanel.java
+++ b/src/jalview/appletgui/SeqPanel.java
@@ -791,6 +791,13 @@ public class SeqPanel
         //but the sequence represents a group
         if (sg == null)
         {
+          if (av.hiddenRepSequences == null
+              || !av.hiddenRepSequences.containsKey(seq))
+          {
+            endEditing();
+            return;
+          }
+
           sg = (SequenceGroup) av.hiddenRepSequences.get(seq);
         }
 
diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 57a30bf..08bf7df 100755
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -874,6 +874,12 @@ public class SeqPanel extends JPanel implements MouseListener,
           //but the sequence represents a group
           if (sg == null)
           {
+            if(av.hiddenRepSequences==null
+               || !av.hiddenRepSequences.containsKey(seq))
+            {
+              endEditing();
+              return;
+            }
             sg = (SequenceGroup) av.hiddenRepSequences.get(seq);
           }
 
-- 
1.7.10.2