MessageTemplateDeleteConfirm.php in Message 8

Namespace

Drupal\message\Form

File

src/Form/MessageTemplateDeleteConfirm.php

<?php

namespace Drupal\message\Form;

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

/**
 * Provides a form for message template deletion.
 */
class MessageTemplateDeleteConfirm extends EntityConfirmFormBase {

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

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

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

    // Check if any messages are using this template.
    $number_messages = $this->entityTypeManager
      ->getStorage('message')
      ->getQuery()
      ->condition('template', $this->entity
      ->id())
      ->count()
      ->execute();
    if ($number_messages) {
      $caption = '<p>' . $this
        ->formatPlural($number_messages, '%template is used by 1 message on your site. You cannot remove this message template until you have removed all of the %template messages.', '%template is used by @count messages on your site. You may not remove %template until you have removed all of the %template messages.', [
        '%template' => $this->entity
          ->label(),
      ]) . '</p>';
      $form['#title'] = $this
        ->getQuestion();
      $form['description'] = [
        '#markup' => $caption,
      ];
      return $form;
    }
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->entity
      ->delete();
    $t_args = [
      '%name' => $this->entity
        ->label(),
    ];
    $this
      ->messenger()
      ->addMessage($this
      ->t('The message template %name has been deleted.', $t_args));
    $this
      ->logger('content')
      ->notice('Deleted message template %name', $t_args);
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
  }

  /**
   * Returns the route to go to if the user cancels the action.
   *
   * @return \Drupal\Core\Url
   *   A URL object.
   */
  public function getCancelUrl() {
    return new Url('message.overview_templates');
  }

}

Classes

Name	Description
MessageTemplateDeleteConfirm	Provides a form for message template deletion.