@Override
	public void dragEnter(DropTargetDragEvent e) {

		if (isDropOk(e)) {
			e.acceptDrag(e.getDropAction());
		}
		else {
			dropComponent.dragUnderFeedback(false, e);
			e.rejectDrag();
		}
	}
Set the data flavors acceptable to the associated drop target
@param dropFlavors the flavors
Ghidra/Framework/Docking/src/main/java/docking/dnd/DropTgtAdapter.java