private void setCategoryEnabled(EditPart part, boolean enabled) {
List v = part.getChildren();
if (v != null) {
int max = v.size();
for (int i = 0; i < max; i++) {
Object obj = v.get(i);
if (obj instanceof GraphicalEditPart) {
IFigure fig = ((GraphicalEditPart) obj).getFigure();
if (fig instanceof Clickable) {
((Clickable) fig).setEnabled(enabled);
}
}
}
}
}
