message-8.x-1.1/src/MessageTemplateListBuilder.php

<?php

namespace Drupal\message;

use Drupal\Component\Utility\Xss;
use Drupal\Core\Config\Entity\ConfigEntityListBuilder;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\StringTranslation\TranslationInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Defines a class to build a listing of message template entities.
 *
 * @see \Drupal\message\Entity\MessageTemplate
 */
final class MessageTemplateListBuilder extends ConfigEntityListBuilder {

  /**
   * Creates a Message Template ListBuilder.
   *
   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
   *   The entity type definition.
   * @param \Drupal\Core\Entity\EntityStorageInterface $storage
   *   The entity storage class.
   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
   *   The string translation service.
   */
  public function __construct(
    EntityTypeInterface $entity_type,
    EntityStorageInterface $storage,
    TranslationInterface $string_translation,
  ) {
    parent::__construct($entity_type, $storage);

    $this->setStringTranslation($string_translation);
  }

  /**
   * {@inheritdoc}
   */
  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
    return new self(
      $entity_type,
      $container->get('entity_type.manager')->getStorage($entity_type->id()),
      $container->get('string_translation')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function buildHeader() {
    $header['title'] = $this->t('Name');
    $header['description'] = [
      'data' => $this->t('Description'),
      'class' => [RESPONSIVE_PRIORITY_MEDIUM],
    ];
    return $header + parent::buildHeader();
  }

  /**
   * {@inheritdoc}
   */
  public function buildRow(EntityInterface $entity) {
    $row['title'] = [
      'data' => $entity->label(),
      'class' => ['menu-label'],
    ];
    $row['description'] = Xss::filterAdmin($entity->getDescription());
    return $row + parent::buildRow($entity);
  }

}