acceptDrop call added before getTransferable in alignment frame drag and

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

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index 49bd138..63620e5 100644 (file)
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -108,6 +108,7 @@ import java.awt.datatransfer.Clipboard;
 import java.awt.datatransfer.DataFlavor;
 import java.awt.datatransfer.StringSelection;
 import java.awt.datatransfer.Transferable;
+import java.awt.dnd.DnDConstants;
 import java.awt.dnd.DropTargetDragEvent;
 import java.awt.dnd.DropTargetDropEvent;
 import java.awt.dnd.DropTargetEvent;
@@ -3640,8 +3641,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             radioItem.removeActionListener(radioItem.getActionListeners()[0]);
 
             int option = JOptionPane.showInternalConfirmDialog(
-                    jalview.gui.Desktop.desktop,
-                    MessageManager
+                    jalview.gui.Desktop.desktop, MessageManager
                             .getString("label.remove_from_default_list"),
                     MessageManager
                             .getString("label.remove_user_defined_colour"),
@@ -4815,6 +4815,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void drop(DropTargetDropEvent evt)
   {
+    // JAL-1552 - acceptDrop required before getTransferable call for
+    // Java's Transferable for native dnd
+    evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
     Transferable t = evt.getTransferable();
     java.util.List<String> files = new ArrayList<String>(), protocols = new ArrayList<String>();