From 8c7f6c70f34bcb8dfe5e327288806ec6cb363042 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 10 Dec 2004 14:31:01 +0000
Subject: [PATCH] Check if sequence is in group before adding

---
 src/jalview/datamodel/SequenceGroup.java |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/jalview/datamodel/SequenceGroup.java b/src/jalview/datamodel/SequenceGroup.java
index 051db30..6bccec3 100755
--- a/src/jalview/datamodel/SequenceGroup.java
+++ b/src/jalview/datamodel/SequenceGroup.java
@@ -71,7 +71,8 @@ public class SequenceGroup
 
   public void addSequence(SequenceI s)
   {
-    sequences.addElement(s);
+    if(!sequences.contains(s))
+      sequences.addElement(s);
   }
 
   public void deleteSequence(SequenceI s)
-- 
1.7.10.2