* @return whether it is okay to close the preference page
*/
public boolean performOk() {
IPreferenceStore store = getPreferenceStore();
final boolean okToClose = performOk(store);
if (store.needsSaving()) {
try {
((IPersistentPreferenceStore)store).save();
Activator.broadcastPropertyChange(new PropertyChangeEvent(this,
Activator.DECORATORS_CHANGED, null, null));
} catch (IOException e) {