RegistrationTypeDeleteForm.php in RNG - Events and Registrations 8

Namespace

Drupal\rng\Form

File

src/Form/RegistrationTypeDeleteForm.php

<?php

namespace Drupal\rng\Form;

use Drupal\Core\Entity\EntityConfirmFormBase;
use Drupal\Core\Url;
use Drupal\Core\Form\FormStateInterface;

/**
 * Form controller for registration types.
 */
class RegistrationTypeDeleteForm extends EntityConfirmFormBase {

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

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

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('rng.registration_type.overview');
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $count = $this->entityManager
      ->getStorage('registration')
      ->getQuery()
      ->condition('type', $this->entity
      ->id())
      ->count()
      ->execute();
    if ($count == 0) {
      return parent::buildForm($form, $form_state);
    }
    drupal_set_message($this
      ->t('Cannot delete registration type.'), 'warning');
    $form['#title'] = $this
      ->getQuestion();
    $form['description'] = array(
      '#markup' => $this
        ->formatPlural($count, 'Unable to delete registration type. It is used by @count registration.', 'Unable to delete registration type. It is used by @count registrations.'),
    );
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->entity
      ->delete();
    drupal_set_message($this
      ->t('Registration type %label was deleted.', array(
      '%label' => $this->entity
        ->label(),
    )));
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
  }

}

Classes

Name	Description
RegistrationTypeDeleteForm	Form controller for registration types.