@Override
public void onShowColumnDescriptor(final ShowColumnDescriptorEvent event) {
descriptorsByCaption.get(event.getKey()).setViewable(event.isShow());
rebuildSimpleList();
final ColumnDescriptorShownEvent showColumnDescriptorEvent = new ColumnDescriptorShownEvent(this, event.getKey(), event.isShow(), complexListConfiguration.getTableName());
eventBus.fireEvent(showColumnDescriptorEvent);
}