question: @ Override public void dragDropEnd ( DragSourceDropEvent dsde ) { DragSourceContext dsc = dsde . getDragSourceContext ( ) ; JComponent c = ( JComponent ) dsc . getComponent ( ) ; DefaultDrawingViewTransferHandler th = ( DefaultDrawingViewTransferHandler ) c . getTransferHandler ( ) ; if ( dsde . getDropSuccess ( ) ) { th . exportDone ( c , dsc . getTransferable ( ) , dsde . getDropAction ( ) ) ; } else { th . exportDone ( c , dsc . getTransferable ( ) , NONE ) ; } c . setAutoscrolls ( scrolls ) ; }
target:  as the operation completes