/** {@inheritDoc} */
 public void dragEnter(DropTargetDragEvent evt) {
   target = (JComponent) evt.getDropTargetContext().getComponent();
   TransferHandler th = target.getTransferHandler();
   canImport = th.canImport(target, evt.getCurrentDataFlavors());
   if (canImport) {
     saveComponentState(target);
     lastPosition = evt.getLocation();
   }
 }
 // ======================================================
 // ======================================================
 private void treeMousePressed(java.awt.event.MouseEvent evt) {
   int mask = evt.getModifiers();
   if ((mask & MouseEvent.BUTTON1_MASK) != 0) {
     TreePath selectedPath = getPathForLocation(evt.getX(), evt.getY());
     if (selectedPath == null) return;
     DefaultMutableTreeNode node =
         (DefaultMutableTreeNode) selectedPath.getPathComponent(selectedPath.getPathCount() - 1);
     Object o = node.getUserObject();
     if (o instanceof String) {
       TransferHandler transfer = this.getTransferHandler();
       transfer.exportAsDrag(this, evt, TransferHandler.COPY);
       dragged_node = node;
       parent.setCursor(renderer.getNodeCursor(node));
     }
   }
 }
Ejemplo n.º 3
0
 @Override
 public void exportToClipboard(JComponent comp, Clipboard clip, int action) {
   super.exportToClipboard(comp, clip, action);
 }