EntityDeriverBase.php

<?php

namespace Drupal\ctools\Plugin\Deriver;

use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeRepositoryInterface;
use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\StringTranslation\TranslationInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * An abstract base class that sets up the needs of entity specific derivers.
 */
abstract class EntityDeriverBase extends DeriverBase implements ContainerDeriverInterface {
    use StringTranslationTrait;
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * The entity field manager.
     *
     * @var \Drupal\Core\Entity\EntityFieldManagerInterface
     */
    protected $entityFieldManager;
    
    /**
     * The entity type repository.
     *
     * @var \Drupal\Core\Entity\EntityTypeRepositoryInterface
     */
    protected $entityTypeRepository;
    
    /**
     * Constructs new EntityViewDeriver.
     *
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity type manager.
     * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
     *   The string translation service.
     * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
     *   The entity field manager.
     * @param \Drupal\Core\Entity\EntityTypeRepositoryInterface $entity_type_repository
     *   The entity type repository.
     */
    public function __construct(EntityTypeManagerInterface $entity_type_manager, TranslationInterface $string_translation, EntityFieldManagerInterface $entity_field_manager, EntityTypeRepositoryInterface $entity_type_repository) {
        $this->entityTypeManager = $entity_type_manager;
        $this->stringTranslation = $string_translation;
        $this->entityFieldManager = $entity_field_manager;
        $this->entityTypeRepository = $entity_type_repository;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, $base_plugin_id) {
        return new static($container->get('entity_type.manager'), $container->get('string_translation'), $container->get('entity_field.manager'), $container->get('entity_type.repository'));
    }

}