PageVariantDeleteForm.php in Page Manager 8

Contains Drupal\page_manager_ui\Form\PageVariantDeleteForm.

Namespace

Drupal\page_manager_ui\Form

File

page_manager_ui/src/Form/PageVariantDeleteForm.php

<?php

/**
 * @file
 * Contains Drupal\page_manager_ui\Form\PageVariantDeleteForm.
 */
namespace Drupal\page_manager_ui\Form;

use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\user\SharedTempStoreFactory;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Builds the form to delete a PageVariant.
 */
class PageVariantDeleteForm extends ConfirmFormBase {

  /**
   * Tempstore factory.
   *
   * @var \Drupal\user\SharedTempStoreFactory
   */
  protected $tempstore;

  /**
   * Constructs a PageVariantDeleteForm.
   *
   * @param \Drupal\user\SharedTempStoreFactory $tempstore
   *   The tempstore factory.
   */
  public function __construct(SharedTempStoreFactory $tempstore) {
    $this->tempstore = $tempstore;
  }

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

  /**
   * Get the tempstore id.
   *
   * @return string
   */
  protected function getTempstoreId() {
    return 'page_manager.page';
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'page_manager_variant_delete_form';
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to delete this variant?');
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    $machine_name = $this
      ->getRouteMatch()
      ->getParameter('machine_name');
    return new Url('entity.page.edit_form', [
      'machine_name' => $machine_name,
      'step' => 'general',
    ]);
  }

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

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $machine_name = $this
      ->getRouteMatch()
      ->getParameter('machine_name');
    $variant_machine_name = $this
      ->getRouteMatch()
      ->getParameter('variant_machine_name');
    $cached_values = $this->tempstore
      ->get($this
      ->getTempstoreId())
      ->get($machine_name);

    /** @var \Drupal\page_manager\PageInterface $page */
    $page = $cached_values['page'];
    $page_variant = $page
      ->getVariant($variant_machine_name);

    // Add to a list to remove for real later.
    $cached_values['deleted_variants'][$variant_machine_name] = $page_variant;
    drupal_set_message($this
      ->t('The variant %label has been removed.', [
      '%label' => $page_variant
        ->label(),
    ]));
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
    $this->tempstore
      ->get($this
      ->getTempstoreId())
      ->set($page
      ->id(), $cached_values);
  }

}

Classes

Name	Description
PageVariantDeleteForm	Builds the form to delete a PageVariant.