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

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

diff --git a/src/jalview/gui/TreePanel.java b/src/jalview/gui/TreePanel.java
index 14802e7..60557ca 100755 (executable)
--- a/src/jalview/gui/TreePanel.java
+++ b/src/jalview/gui/TreePanel.java
@@ -273,9 +273,11 @@ public class TreePanel extends GTreePanel
       {
         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.getAlignment().getWidth();