MenuDeleteItem.php in Menu Delete 8

Namespace

Drupal\menu_delete\Form

File

src/Form/MenuDeleteItem.php

<?php

namespace Drupal\menu_delete\Form;

use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\user\PrivateTempStoreFactory;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;

/**
 * Class MenuDeleteItem.
 */
class MenuDeleteItem extends ConfirmFormBase {

  /**
   * The entity manager.
   *
   * @var \Drupal\Core\Entity\EntityManagerInterface
   */
  protected $entityManager;

  /**
   * The array of menu items to delete.
   *
   * @var array
   */
  protected $menuItems = array();

  /**
   * The menu that items are being deleted from.
   *
   * @var string
   */
  protected $menuId = '';

  /**
   * The tempstore factory.
   *
   * @var \Drupal\user\PrivateTempStoreFactory
   */
  protected $tempStoreFactory;

  /**
   * Constructs a MenuDeleteItem form object.
   *
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   The entity manager.
   * @param PrivateTempStoreFactory $temp_store_factory
   *   The tempstore factory.
   */
  public function __construct(EntityManagerInterface $entity_manager, PrivateTempStoreFactory $temp_store_factory) {
    $this->entityManager = $entity_manager;
    $this->tempStoreFactory = $temp_store_factory;
  }

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

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

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->formatPlural(count($this->menuItems), 'Are you sure you want to delete this item?', 'Are you sure you want to delete these items?');
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return Url::fromRoute('entity.menu.edit_form', array(
      'menu' => $this->menuId,
    ));
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $storage = $this->tempStoreFactory
      ->get('menu_delete_item_confirm')
      ->get(\Drupal::currentUser()
      ->id());
    $this->menuId = $storage['menu_id'];
    $this->menuItems = $storage['items'];
    if (empty($this->menuItems)) {
      return new RedirectResponse($this
        ->getCancelUrl()
        ->setAbsolute()
        ->toString());
    }
    $items = [];
    foreach ($this->menuItems as $id => $item) {
      list($entity_type_id, $uuid) = explode(':', $item['id']);
      $link = $this->entityManager
        ->loadEntityByUuid($entity_type_id, $uuid);
      $items[$uuid] = $link
        ->getTitle();
    }
    $form['menu_items'] = array(
      '#theme' => 'item_list',
      '#items' => $items,
    );
    $form = parent::buildForm($form, $form_state);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    if ($form_state
      ->getValue('confirm') && !empty($this->menuItems)) {
      $total_count = 0;
      foreach ($this->menuItems as $id => $item) {
        list($entity_type_id, $uuid) = explode(':', $item['id']);
        $link = $this->entityManager
          ->loadEntityByUuid($entity_type_id, $uuid);
        $link
          ->delete();
        $total_count++;
      }
      if ($total_count) {
        drupal_set_message($this
          ->formatPlural($total_count, 'Deleted 1 menu item.', 'Deleted @count menu items.'));
      }
      $this->tempStoreFactory
        ->get('menu_delete_item_confirm')
        ->delete(\Drupal::currentUser()
        ->id());
    }
    $form_state
      ->setRedirect('entity.menu.edit_form', array(
      'menu' => $this->menuId,
    ));
  }

}

Classes

Name	Description
MenuDeleteItem	Class MenuDeleteItem.