FilterDeleteForm.php in Entity Share 8.2

Namespace

Drupal\entity_share_server\Form

File

modules/entity_share_server/src/Form/FilterDeleteForm.php

<?php

declare (strict_types=1);
namespace Drupal\entity_share_server\Form;

use Drupal\Core\Form\FormStateInterface;

/**
 * Class FilterDeleteForm.
 *
 * @package Drupal\entity_share_server\Form
 */
class FilterDeleteForm extends FilterBaseForm {

  /**
   * The filter id.
   *
   * @var string
   */
  protected $filterId;

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $filter_id = $this
      ->getFilterId();

    // Check if the filter exists.
    if (!$this
      ->filterIdExists()) {
      $this
        ->messenger()
        ->addError($this
        ->t('There is no filter with the ID @id in this channel', [
        '@id' => $filter_id,
      ]));
      return [];
    }
    $form = parent::form($form, $form_state);
    $form['description'] = [
      '#markup' => $this
        ->t('This action cannot be undone.'),
    ];
    return $form;
  }

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

    /** @var \Drupal\entity_share_server\Entity\ChannelInterface $channel */
    $channel = $this->entity;
    $channel_filters = $channel
      ->get('channel_filters');
    unset($channel_filters[$this
      ->getFilterId()]);
    $channel
      ->set('channel_filters', $channel_filters);
    $channel
      ->save();
    $form_state
      ->setRedirectUrl($channel
      ->toUrl('edit-form'));
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state) {
    if (!$this
      ->filterIdExists()) {
      return [];
    }
    $actions = parent::actions($form, $form_state);

    // Change button label.
    $actions['submit']['#value'] = $this
      ->t('Delete filter');

    /** @var \Drupal\entity_share_server\Entity\ChannelInterface $channel */
    $channel = $this->entity;

    // Add cancel link.
    $actions['cancel'] = [
      '#type' => 'link',
      '#title' => $this
        ->t('Cancel'),
      '#url' => $channel
        ->toUrl('edit-form'),
      '#attributes' => [
        'class' => [
          'button',
        ],
      ],
    ];
    return $actions;
  }

}

Classes

Name	Description
FilterDeleteForm	Class FilterDeleteForm.