public void dragExit(DropTargetEvent dtde) {
//notify additionalListeners
for (int i = 0; i < _additionalListeners.size(); i++) {
DropTargetListener l = (DropTargetListener) _additionalListeners
.elementAt(i);
l.dragExit(dtde);
}
if (_highlighted != null) {
_highlighter.renderDeselected(_highlightedFigure);
_highlighted = null;
_highlightedFigure = null;