styleCategoriesComposite.redraw();
} else {
Iterator it = categoryComposites.values().iterator();
while (it.hasNext()) {
PropertiesComposite composite = (PropertiesComposite) it.next();
composite.clear();
composite.setEnabled(false);
}
styleCategoriesComposite.setEnabled(false);
styleCategoriesComposite.redraw();
}