catch control down before editing null pointer

[jalview.git] / src / jalview / appletgui / SeqPanel.java

diff --git a/src/jalview/appletgui/SeqPanel.java b/src/jalview/appletgui/SeqPanel.java
index 8b9b5cb..6c1a619 100755 (executable)
--- 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\r
         if (sg == null)\r
         {\r
+          if (av.hiddenRepSequences == null\r
+              || !av.hiddenRepSequences.containsKey(seq))\r
+          {\r
+            endEditing();\r
+            return;\r
+          }\r
+\r
           sg = (SequenceGroup) av.hiddenRepSequences.get(seq);\r
         }\r
 \r