ContainerShape cs = (ContainerShape) pe;
if (highlight) {
cs.getGraphicsAlgorithm().setLineVisible(true);
cs.getGraphicsAlgorithm().setLineStyle(LineStyle.DASH);
cs.getGraphicsAlgorithm().setLineWidth(cs.getGraphicsAlgorithm().getLineWidth() + 3);
cs.getGraphicsAlgorithm().setForeground(gaService.manageColor(designEditor.getDiagram(), StyleUtil.getColorConstant("255,0,0")));
} else {
cs.getGraphicsAlgorithm().setLineVisible(false);
cs.getGraphicsAlgorithm().setLineStyle(LineStyle.SOLID);
cs.getGraphicsAlgorithm().setLineWidth(cs.getGraphicsAlgorithm().getLineWidth() - 3);
cs.getGraphicsAlgorithm().setForeground(gaService.manageColor(designEditor.getDiagram(), StyleUtil.E_CLASS_FOREGROUND));