createBounds(new AttributeMap(), 340, 100, Color.red));
gu.addPort(null, "GraphUI/Center");
DefaultGraphCell dgu = new DefaultGraphCell("BasicGraphUI");
attributes.put(dgu, createBounds(new AttributeMap(), 340, 180,
Color.red));
dgu.addPort(null, "BasicGraphUI/Center");
DefaultEdge guExtendsCu = new DefaultEdge("extends");
cs.connect(guExtendsCu, cu.getChildAt(0), gu.getChildAt(0));
attributes.put(guExtendsCu, extendStyle);
DefaultEdge dguImplementsDu = new DefaultEdge("implements");
cs.connect(dguImplementsDu, gu.getChildAt(0), dgu.getChildAt(0));