private void setUpDragSite() {

		// set up drag stuff
		dragSource = DragSource.getDefaultDragSource();
		dragGestureAdapter = new DragGestureAdapter(this);
		dragSourceAdapter = new DragSrcAdapter(this);
		dragSource.createDefaultDragGestureRecognizer(table, dragAction, dragGestureAdapter);
	}
Set up the drag and drop stuff.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/datatree/VersionHistoryPanel.java