skinr-8.x-2.0-alpha2/skinr_ui/src/Form/SkinDeleteForm.php

<?php

namespace Drupal\skinr_ui\Form;

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

/**
 * Provides a deletion confirmation form for the skin instance deletion form.
 */
class SkinDeleteForm extends EntityConfirmFormBase {

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

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('skinr_ui.list');
  }

  /**
   * {@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('Skin %name has been removed.', ['%name' => $this->entity->label()]));
    $form_state->setRedirectUrl($this->getCancelUrl());
  }

}