public void actionPerformed(ActionEvent e) {
boolean propagate = p.isSelected();
ViperViewMediator m = getMediator();
PropagateInterpolateModule proper = m.getPropagator();
if (propagate) {
proper.startPropagating(desc);
} else {
proper.stopPropagating(desc);
}
p.setSelected(proper.getPropagatingDescriptors().contains(desc));
}
