GraphGenerator oldGraphGenerator = this.graphGenerator;
this.graphGenerator = generator;
Iterator it = oldGraphGenerator.getGraphGeneratorListeners();
while(it.hasNext()) {
GraphGeneratorListener lsnr = (GraphGeneratorListener) it.next();
graphGenerator.addGraphGeneratorListener(lsnr);
it.remove();
}
firePropertyChangeEvent(Controller.GRAPH_GENERATOR_PROPERTY, oldGraphGenerator, graphGenerator);