protected function registerEventsInDispatcher()
{
$serviceContainer = $this->getServiceContainer();
$this->addListener(GetBreadcrumbEvent::NAME, function (GetBreadcrumbEvent $event) use($serviceContainer) {
if ($event->getEnvironment()->getDataDefinition()->getName() !== 'tl_metamodel_searchable_pages') {
return;
}
$subscriber = new BreadCrumbSearchablePages($serviceContainer);
$subscriber->getBreadcrumb($event);
})->addListener(GetPropertyOptionsEvent::NAME, array($this, 'getFilterOptions'))->addListener(GetPropertyOptionsEvent::NAME, array($this, 'getRenderSettingsOptions'))->addListener(BuildDataDefinitionEvent::NAME, array($this, 'visibleFilterParams'))->addListener(BuildWidgetEvent::NAME, array($this, 'buildFilterParamsFor'));
}