From: Jim Procter <jprocter@issues.jalview.org>
Date: Sat, 4 Jul 2020 12:17:00 +0000 (+0100)
Subject: JAL-3680 check whether a sequence selection exists before sliding the sequence under... 
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=afce71ab973518ba76c313014651b97467d131bc;p=jalview.git

JAL-3680 check whether a sequence selection exists before sliding the sequence under the cursor when sliding sequences
---

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index f906e5a..a9ff222 100644
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -1803,19 +1803,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   synchronized void slideSequences(boolean right, int size)
   {
     List<SequenceI> sg = new ArrayList<>();
-    if (viewport.cursorMode)
-    {
-      sg.add(viewport.getAlignment()
-              .getSequenceAt(alignPanel.getSeqPanel().seqCanvas.cursorY));
-    }
-    else if (viewport.getSelectionGroup() != null
-            && viewport.getSelectionGroup().getSize() != viewport
-                    .getAlignment().getHeight())
+    if (viewport.getSelectionGroup() != null && viewport.getSelectionGroup()
+            .getSize() != viewport.getAlignment().getHeight())
     {
       sg = viewport.getSelectionGroup()
               .getSequences(viewport.getHiddenRepSequences());
     }
 
+    if (sg.size() == 0 && viewport.cursorMode)
+    {
+      sg.add(viewport.getAlignment()
+              .getSequenceAt(alignPanel.getSeqPanel().seqCanvas.cursorY));
+    }
+
     if (sg.size() < 1)
     {
       return;