/** {@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();
}
}
/**
* Adds drag and drop functionality.
*
* @param comp component
* @param dnd drag and drop handler
*/
public static void addDrop(final JComponent comp, final DropHandler dnd) {
comp.setDropTarget(
new DropTarget(comp, DnDConstants.ACTION_COPY_OR_MOVE, null, true, null) {
@Override
public synchronized void drop(final DropTargetDropEvent dtde) {
dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
final Transferable tr = dtde.getTransferable();
for (final Object o : contents(tr)) dnd.drop(o);
comp.requestFocusInWindow();
}
});
}