Vertex v = ((PNode) _lastItemClicked.getEntity()).v(); _apspSource = v;
Iterator i = _registry.getNodeItems(); while(i.hasNext()) { PNode pnode = (PNode) ((VisualItem) i.next()).getEntity(); pnode.setPathElement(false); pnode.setStartPoint(false); pnode.setEndPoint(false); }  i = _registry.getEdgeItems(); while(i.hasNext()) { PEdge pedge = (PEdge) ((VisualItem) i.next()).getEntity(); pedge.setPathElement(false); }
				public void actionPerformed(ActionEvent e) {					Vertex v = ((PNode) _lastItemClicked.getEntity()).v();					_apspSource = v;				}