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<?php
namespace Drupal\file\Plugin\views\argument;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\views\Plugin\views\argument\NumericArgument;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Argument handler to accept multiple file ids.
*
* @ingroup views_argument_handlers
*
* @ViewsArgument("file_fid")
*/
class Fid extends NumericArgument implements ContainerFactoryPluginInterface {
/**
* The entity manager service
*
* @var \Drupal\Core\Entity\EntityManagerInterface
*/
protected $entityManager;
/**
* Constructs a Drupal\file\Plugin\views\argument\Fid object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
* The entity manager.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityManagerInterface $entity_manager) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->entityManager = $entity_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static(
$configuration,
$plugin_id,
$plugin_definition,
$container->get('entity.manager')
);
}
/**
* Override the behavior of titleQuery(). Get the filenames.
*/
public function titleQuery() {
$storage = $this->entityManager->getStorage('file');
$fids = $storage->getQuery()
->condition('fid', $this->value, 'IN')
->execute();
$files = $storage->loadMultiple($fids);
$titles = [];
foreach ($files as $file) {
$titles[] = $file->getFilename();
}
return $titles;
}
}