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'));
  }

}