MailingListDeleteConfirmForm.php in Mailing List 8

Namespace

Drupal\mailing_list\Form

File

src/Form/MailingListDeleteConfirmForm.php

<?php

namespace Drupal\mailing_list\Form;

use Drupal\Core\Entity\EntityConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\Core\Entity\Query\QueryFactory;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Builds the form to delete mailing list entities.
 */
class MailingListDeleteConfirmForm extends EntityConfirmFormBase {

  /**
   * The query factory to create entity queries.
   *
   * @var \Drupal\Core\Entity\Query\QueryFactory
   */
  protected $queryFactory;

  /**
   * Constructs a new MailingListDeleteConfirmForm object.
   *
   * @param \Drupal\Core\Entity\Query\QueryFactory $query_factory
   *   The entity query object.
   */
  public function __construct(QueryFactory $query_factory) {
    $this->queryFactory = $query_factory;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.query'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $subscription_count = $this->queryFactory
      ->get('mailing_list_subscription')
      ->condition('mailing_list', $this->entity
      ->id())
      ->count()
      ->execute();
    if ($subscription_count) {
      $caption = '<p>' . $this
        ->formatPlural($subscription_count, 'There is 1 subscription to the %type mailing list. You can not remove this mailing list until you have removed that subscription.', 'There are @count subscriptions to the %type mailing list. You can not remove this mailing list until you have removed all its subscriptions.', [
        '%type' => $this->entity
          ->label(),
      ]) . '</p>';
      $form['#title'] = $this
        ->getQuestion();
      $form['description'] = [
        '#markup' => $caption,
      ];
      $form['link'] = [
        '#type' => 'link',
        '#url' => Url::fromRoute('entity.mailing_list_subscription.collection'),
        '#title' => $this
          ->t('Manage subscriptions'),
      ];
      return $form;
    }
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to delete %name?', [
      '%name' => $this->entity
        ->label(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.mailing_list.collection');
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return $this
      ->t('Delete');
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->entity
      ->delete();
    drupal_set_message($this
      ->t('content @type: deleted @label.', [
      '@type' => $this->entity
        ->bundle(),
      '@label' => $this->entity
        ->label(),
    ]));
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
  }

}

Classes

Name	Description
MailingListDeleteConfirmForm	Builds the form to delete mailing list entities.