Changeset 9369 in josm for trunk/src/org/openstreetmap/josm/gui/dialogs/SelectionListDialog.java

Timestamp:

2016-01-09T22:21:00+01:00 (9 years ago)

Author:

simon04

Message:

see #12300 - Allow to drag from select list to relation members

File:

• trunk/src/org/openstreetmap/josm/gui/dialogs/SelectionListDialog.java (modified) (5 diffs)

trunk/src/org/openstreetmap/josm/gui/dialogs/SelectionListDialog.java

@@ -7 +7 @@
 import java.awt.Component;
 import java.awt.Rectangle;
+import java.awt.datatransfer.Transferable;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
@@ -24 +25 @@
 import javax.swing.AbstractListModel;
 import javax.swing.DefaultListSelectionModel;
+import javax.swing.JComponent;
 import javax.swing.JList;
 import javax.swing.JMenuItem;
 import javax.swing.JPopupMenu;
 import javax.swing.ListSelectionModel;
+import javax.swing.TransferHandler;
 import javax.swing.event.ListDataEvent;
 import javax.swing.event.ListDataListener;
@@ -66 +69 @@
 import org.openstreetmap.josm.gui.PopupMenuHandler;
 import org.openstreetmap.josm.gui.SideButton;
+import org.openstreetmap.josm.gui.datatransfer.PrimitiveTransferable;
 import org.openstreetmap.josm.gui.history.HistoryBrowserDialogManager;
 import org.openstreetmap.josm.gui.layer.OsmDataLayer;
@@ -108 +112 @@
         lstPrimitives.setSelectionModel(selectionModel);
         lstPrimitives.setCellRenderer(new OsmPrimitivRenderer());
-        // Fix #6290. Drag & Drop is not supported anyway and Copy/Paste is better propagated to main window
-        lstPrimitives.setTransferHandler(null);
+        lstPrimitives.setTransferHandler(new SelectionTransferHandler());
+        lstPrimitives.setDragEnabled(true);
 
         lstPrimitives.getSelectionModel().addListSelectionListener(actSelect);
@@ -855 +859 @@
         }
     }
+
+    /**
+     * A transfer handler class for drag-and-drop support.
+     */
+    protected class SelectionTransferHandler extends TransferHandler {
+
+        @Override
+        public int getSourceActions(JComponent c) {
+            return COPY;
+        }
+
+        @Override
+        protected Transferable createTransferable(JComponent c) {
+            return new PrimitiveTransferable(getSelectedPrimitives());
+        }
+    }
 }