public void setPropertyValue(Object id, Object value) {
if (id == idOppositeShown)
getReference().setOppositeShown(BooleanPropertyDescriptor.toModel(value));
else super.setPropertyValue(id, value);
}
public Object getPropertyValue(Object id) {
if (id == idOppositeShown)
return BooleanPropertyDescriptor.fromModel(getReference().isOppositeShown());
return super.getPropertyValue(id);
}