Diagram diagram = designEditor.getDiagram();
if (cc != null && diagram != null) {
GraphicsAlgorithm ga = diagram.getGraphicsAlgorithm();
if (ga != null){
ga.setForeground(GraphitiUi.getGaService().manageColor(diagram, cc));
gridFigure.repaint();
gridFigure.revalidate();
designEditor.getDiagramBehavior().refreshContent();
}
}
}