X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAlignFrame.java;h=50043e69678c977458d79eead84a6b73e1cef4c5;hb=977eba6d0cdd5683a583d1ad39abf83e0c68d3ac;hp=0087e8d7f01dbe2f81b8542166e9a26fd17a71f4;hpb=4dc3b9dcd01f1f09aa58aaf7032030c45479d8c6;p=jalview.git

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 0087e8d..50043e6 100644
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -4186,16 +4186,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
        */
       msa = viewport.getAlignmentView(true);
     }
+    else if (viewport.getSelectionGroup() != null
+            && viewport.getSelectionGroup().getSize() == 1)
+    {
+      int option = JOptionPane.showConfirmDialog(this,
+              MessageManager.getString("warn.oneseq_msainput_selection"),
+              MessageManager.getString("label.invalid_selection"),
+              JOptionPane.OK_CANCEL_OPTION);
+      if (option == JOptionPane.OK_OPTION)
+      {
+        msa = viewport.getAlignmentView(false);
+      }
+    }
     else
     {
-      /*
-       * Vector seqs = viewport.getAlignment().getSequences();
-       * 
-       * if (seqs.size() > 1) { msa = new SequenceI[seqs.size()];
-       * 
-       * for (int i = 0; i < seqs.size(); i++) { msa[i] = (SequenceI)
-       * seqs.elementAt(i); } }
-       */
       msa = viewport.getAlignmentView(false);
     }
     return msa;