/**
* Load the collection of child items and the parent item for the currently selected parent item.
*
* @return CollectionInterface
*/
public function loadCollection()
{
$environment = $this->getEnvironment();
$dataProvider = $environment->getDataProvider();
$dataConfig = $environment->getBaseConfigRegistry()->getBaseConfig();
$listingConfig = $this->getViewSection()->getListingConfig();
$panel = $this->getPanel();
ViewHelpers::initializeSorting($panel, $dataConfig, $listingConfig);
return $dataProvider->fetchAll($dataConfig);
}
/**
* Initialize the panels for known actions so that they always know their state.
*
* @param ActionEvent $event The event.
*
* @return void
*/
public function initializePanels(ActionEvent $event)
{
if (!in_array($event->getAction()->getName(), array('copy', 'create', 'paste', 'delete', 'move', 'undo', 'edit', 'toggle', 'showAll', 'show'))) {
return;
}
$environment = $event->getEnvironment();
$definition = $environment->getDataDefinition();
$view = $environment->getView();
if (!$definition->hasDefinition(Contao2BackendViewDefinitionInterface::NAME) || !$view instanceof BaseView || !$view->getPanel()) {
return;
}
/** @var Contao2BackendViewDefinitionInterface $backendDefinition */
$backendDefinition = $definition->getDefinition(Contao2BackendViewDefinitionInterface::NAME);
$listingConfig = $backendDefinition->getListingConfig();
$dataConfig = $environment->getBaseConfigRegistry()->getBaseConfig();
$panel = $view->getPanel();
ViewHelpers::initializeSorting($panel, $dataConfig, $listingConfig);
}
