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<?php
/**
 * @file
 * Contains \Drupal\path\Form\DeleteForm.
 */
namespace Drupal\path\Form;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Path\AliasStorageInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
 * Builds the form to delete a path alias.
 */
class DeleteForm extends ConfirmFormBase {
  /**
   * The alias storage service.
   *
   * @var AliasStorageInterface $path
   */
  protected $aliasStorage;
  /**
   * The path alias being deleted.
   *
   * @var array $pathAlias
   */
  protected $pathAlias;
  /**
   * Constructs a \Drupal\path\Form\DeleteForm object.
   *
   * @param \Drupal\Core\Path\AliasStorageInterface $alias_storage
   *   The alias storage service.
   */
  public function __construct(AliasStorageInterface $alias_storage) {
    $this->aliasStorage = $alias_storage;
  }
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('path.alias_storage')
    );
  }
  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'path_alias_delete';
  }
  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return t('Are you sure you want to delete path alias %title?', array('%title' => $this->pathAlias['alias']));
  }
  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('path.admin_overview');
  }
  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $pid = NULL) {
    $this->pathAlias = $this->aliasStorage->load(array('pid' => $pid));
    $form = parent::buildForm($form, $form_state);
    return $form;
  }
  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->aliasStorage->delete(array('pid' => $this->pathAlias['pid']));
    $form_state->setRedirect('path.admin_overview');
  }
}