tb_megamenu-8.x-1.0-beta2/src/Form/MegaMenuDelete.php

<?php

namespace Drupal\tb_megamenu\Form;

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

/**
 * Builds the form to delete a megamenu.
 */
class MegaMenuDelete extends EntityConfirmFormBase {

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

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

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

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->entity->delete();
    $this->messenger()->addStatus($this->t('MegaMenu %label has been deleted.', ['%label' => $this->entity->menu]));

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

}