cacheflush-8.x-1.x-dev/modules/cacheflush_ui/src/Entity/Form/CacheflushEntityDeleteForm.php

<?php

namespace Drupal\cacheflush_ui\Entity\Form;

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

/**
 * Provides a form for deleting Xerox entity entities.
 *
 * @ingroup xerox
 */
class CacheflushEntityDeleteForm extends ContentEntityConfirmFormBase {

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

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.cacheflush.collection');
  }

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

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->entity->delete();

    $this->messenger()->addMessage(
      $this->t('content @type: deleted @label.',
        [
          '@type' => $this->entity->bundle(),
          '@label' => $this->entity->label(),
        ]
      )
    );

    $form_state->setRedirectUrl($this->getCancelUrl());
  }

}