LayoutForm.php

<?php

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

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\layout_builder\Form\LayoutBuilderEntityFormTrait;
use Drupal\layout_builder\LayoutTempstoreRepositoryInterface;
use Drupal\layout_builder\SectionStorageInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Defines a form for configuring navigation blocks.
 *
 * @internal
 */
final class LayoutForm extends FormBase {
  use LayoutBuilderEntityFormTrait {
    buildActions as buildActionsElement;
    saveTasks as saveTasks;
  }
  
  /**
   * {@inheritdoc}
   */
  public function getBaseFormId() : string {
    return 'navigation_layout';
  }
  
  /**
   * {@inheritdoc}
   */
  public function getFormId() : string {
    return 'navigation_layout';
  }
  
  /**
   * The section storage.
   *
   * @var \Drupal\layout_builder\SectionStorageInterface
   */
  protected $sectionStorage;
  
  /**
   * Constructs a new LayoutForm.
   */
  public function __construct(protected LayoutTempstoreRepositoryInterface $layoutTempstoreRepository) {
  }
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container->get('layout_builder.tempstore_repository'));
  }
  
  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, ?SectionStorageInterface $section_storage = NULL) {
    $form['#attributes']['class'][] = 'layout-builder-form';
    $form['layout_builder'] = [
      '#type' => 'layout_builder',
      '#section_storage' => $section_storage,
    ];
    $form['#attached']['library'][] = 'navigation/navigation.layoutBuilder';
    $this->sectionStorage = $section_storage;
    $form['actions'] = [
      'submit' => [
        '#type' => 'submit',
        '#value' => $this->t('Save'),
      ],
    ] + $this->buildActionsElement([]);
    return $form;
  }
  
  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) : void {
    $this->sectionStorage
      ->save();
    $this->saveTasks($form_state, new TranslatableMarkup('Saved navigation blocks'));
  }

}