/** {@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));
}
}
}
@Override
public void exportToClipboard(JComponent comp, Clipboard clip, int action) {
super.exportToClipboard(comp, clip, action);
}