From b5ca18ba2854441f3065a288eaa1f0f5e77b1391 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 3 Dec 2004 16:28:19 +0000
Subject: [PATCH] Allow operation if no groups exist

---
 src/jalview/gui/GroupEditor.java |   13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/jalview/gui/GroupEditor.java b/src/jalview/gui/GroupEditor.java
index 5b6df2b..b4dd9cf 100755
--- a/src/jalview/gui/GroupEditor.java
+++ b/src/jalview/gui/GroupEditor.java
@@ -29,8 +29,11 @@ public class GroupEditor extends GGroupEditor
     for (int i=0; i < ColourProperties.getColourSchemeNames().size(); i++)
        colourCombo.addItem(ColourProperties.getColourSchemeNames().elementAt(i));
 
-    showGroup();
-    updateGroupcombo();
+     if(groups.size()>0)
+     {
+       showGroup();
+       updateGroupcombo();
+     }
 
     assignedList.addMouseListener( new MouseAdapter()
     {
@@ -111,6 +114,9 @@ public class GroupEditor extends GGroupEditor
 
   void showGroup()
   {
+    if(groups.size()<1)
+       return;
+
     assignedVector = new Vector();
     if(selectedGroupIndex!=-1)
     {
@@ -155,6 +161,9 @@ public class GroupEditor extends GGroupEditor
 
   protected void colourCombo_actionPerformed(ActionEvent e)
   {
+     if(groups.size()<1)
+       return;
+
      SequenceGroup sg = (SequenceGroup)groups.elementAt(selectedGroupIndex);
 
      sg.cs = ColourSchemeFactory.get( (String)colourCombo.getSelectedItem() );
-- 
1.7.10.2