From: amwaterhouse <Andrew Waterhouse>
Date: Wed, 6 Jul 2005 12:21:25 +0000 (+0000)
Subject: Remove group if sequences are null
X-Git-Tag: Release_2_01~22
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=8c6e707d6d9b1b8ad6385eb7eeef0bc78cb46f6e;p=jalview.git

Remove group if sequences are null
---

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index 28849b6..61735ee 100755
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -334,9 +334,16 @@ public class Alignment implements AlignmentI
     {
         Vector temp = new Vector();
 
-        for (int i = 0; i < this.groups.size(); i++)
+        int gSize = groups.size();
+        for (int i = 0; i < gSize; i++)
         {
             SequenceGroup sg = (SequenceGroup) groups.elementAt(i);
+            if(sg==null || sg.sequences==null)
+            {
+              this.deleteGroup(sg);
+              gSize--;
+              continue;
+            }
 
             if (sg.sequences.contains(s))
             {