AmpMetadataDeleteForm.php in Accelerated Mobile Pages (AMP) 8

Namespace

Drupal\amp\Form

File

src/Form/AmpMetadataDeleteForm.php

<?php

namespace Drupal\amp\Form;

use Drupal\Core\Cache\CacheTagsInvalidatorInterface;
use Drupal\Core\Entity\EntityConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerAwareInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Builds the form to delete AMP Metadata entities.
 */
class AmpMetadataDeleteForm extends EntityConfirmFormBase implements ContainerAwareInterface {

  /**
   * The container.
   *
   * @var \Symfony\Component\DependencyInjection\ContainerInterface
   */
  protected $container;

  /**
   * The cache tags invalidator.
   *
   * @var \Drupal\Core\Cache\CacheTagsInvalidatorInterface
   */
  protected $tagInvalidate;

  /**
   * Constructs a AmpMetadataDeleteForm object.
   *
   * @param \Drupal\Core\Cache\CacheTagsInvalidatorInterface $tag_invalidate
   *   The cache tags invalidator.
   */
  public function __construct(CacheTagsInvalidatorInterface $tag_invalidate) {
    $this->tagInvalidate = $tag_invalidate;
  }

  /**
   * Sets the Container.
   *
   * @param ContainerInterface|null $container A ContainerInterface instance or null
   */
  public function setContainer(ContainerInterface $container = null) {
    $this->container = $container;
  }

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

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

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

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

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

}

Classes

Name	Description
AmpMetadataDeleteForm	Builds the form to delete AMP Metadata entities.