JAL-1031 JAL-1032 if selection is non-null but empty, then calculate PCA or tree...

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

diff --git a/src/jalview/appletgui/TreePanel.java b/src/jalview/appletgui/TreePanel.java
old mode 100755 (executable)
new mode 100644 (file)
index d424367..ec2512f
--- a/src/jalview/appletgui/TreePanel.java
+++ b/src/jalview/appletgui/TreePanel.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
  * 
  * This file is part of Jalview.
  * 
@@ -49,6 +49,12 @@ public class TreePanel extends EmbmenuFrame implements ActionListener,
   {
     return tree;
   }
+  
+  public void finalize() throws Throwable {
+    ap=null;
+    av=null;
+    super.finalize();
+  }
 
   /**
    * Creates a new TreePanel object.
@@ -180,11 +186,11 @@ public class TreePanel extends EmbmenuFrame implements ActionListener,
       {
         if (odata == null)
         {
-          tree = new NJTree(av.alignment.getSequencesArray(), newtree);
+          tree = new NJTree(av.getAlignment().getSequencesArray(), newtree);
         }
         else
         {
-          tree = new NJTree(av.alignment.getSequencesArray(), odata,
+          tree = new NJTree(av.getAlignment().getSequencesArray(), odata,
                   newtree);
         }
 
@@ -193,19 +199,21 @@ public class TreePanel extends EmbmenuFrame implements ActionListener,
       {
         int start, end;
         SequenceI[] seqs;
-        AlignmentView seqStrings = av.getAlignmentView(av
-                .getSelectionGroup() != null);
-        if (av.getSelectionGroup() == null)
+        boolean selview=(av
+                .getSelectionGroup() != null) && (av
+                .getSelectionGroup().getSize()>1);
+        AlignmentView seqStrings = av.getAlignmentView(selview);
+        if (!selview)
         {
           start = 0;
-          end = av.alignment.getWidth();
-          seqs = av.alignment.getSequencesArray();
+          end = av.getAlignment().getWidth();
+          seqs = av.getAlignment().getSequencesArray();
         }
         else
         {
           start = av.getSelectionGroup().getStartRes();
           end = av.getSelectionGroup().getEndRes() + 1;
-          seqs = av.getSelectionGroup().getSequencesInOrder(av.alignment);
+          seqs = av.getSelectionGroup().getSequencesInOrder(av.getAlignment());
         }
 
         tree = new NJTree(seqs, seqStrings, type, pwtype, start, end);