}
private JCheckBox createSelector(final String label, final String preferenceKey) {
boolean selected = preferences.getBoolean(preferenceKey, true);
KongaCheckBox cb = new KongaCheckBox(label, selected);
cb.addSelectionChangeListener(new Receiver<Boolean>() {
@Override
public void handle(Boolean selected) {
preferences.putBoolean(preferenceKey, selected);
updateFilter();