X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FAlignFrame.java;h=afd1d04b56b77879752a0dc649e4c33725009001;hb=61a4ffb7cfd54b95c16bd78c14f4e86d2a7b037e;hp=0087e8d7f01dbe2f81b8542166e9a26fd17a71f4;hpb=4dc3b9dcd01f1f09aa58aaf7032030c45479d8c6;p=jalview.git

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 0087e8d..afd1d04 100644
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -4186,6 +4186,19 @@ 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
     {
       /*