TourTipDeleteForm.php in Tour UI 8

Namespace

Drupal\tour_ui\Form

File

src/Form/TourTipDeleteForm.php

<?php

namespace Drupal\tour_ui\Form;

use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Messenger\MessengerInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Builds the form to delete a tour tip.
 */
class TourTipDeleteForm extends ConfirmFormBase {

  /**
   * Stores the tour entity being deleted.
   *
   * @var \Drupal\Core\Entity\EntityInterface
   */
  protected $entity;

  /**
   * Stores the tour tip candidate for deletion.
   *
   * @var \Drupal\Core\Entity\EntityInterface
   */
  protected $tip;

  /**
   * The entity manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The Messenger Service.
   *
   * @var \Drupal\Core\Messenger\MessengerInterface
   */
  protected $messenger;

  /**
   * Constructs a new TourTipDeleteForm object.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity manager.
   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
   *   The Messenger Service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, MessengerInterface $messenger) {
    $this->entityTypeManager = $entity_type_manager;
    $this->messenger = $messenger;
  }

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

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

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return Url::fromRoute('entity.tour.edit_form', [
      'tour' => $this->entity
        ->id(),
    ]);
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $tour = '', $tip = '') {
    $this->entity = $this->entityTypeManager
      ->getStorage('tour')
      ->load($tour);
    $tour = $this->entity;
    $this->tip = $tour
      ->getTip($tip);
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

    // Rebuild the tips and remove the irrelevant one.
    $candidate = $this->tip
      ->get('id');
    $tips = [];
    foreach ($this->entity
      ->getTips() as $tip) {
      $tip_id = $tip
        ->get('id');
      if ($tip_id == $candidate) {
        continue;
      }
      $tips[$tip_id] = $tip
        ->getConfiguration();
    }
    $this->entity
      ->set('tips', $tips);
    $this->entity
      ->save();
    $form_state
      ->setRedirect('entity.tour.edit_form', [
      'tour' => $this->entity
        ->id(),
    ]);
    $this->messenger
      ->addMessage($this
      ->t('Deleted the %tour tour %tip tip.', [
      '%tour' => $this->entity
        ->label(),
      '%tip' => $this->tip
        ->get('label'),
    ]));
  }

}

Classes

Name	Description
TourTipDeleteForm	Builds the form to delete a tour tip.