gin_lp-1.0.x-dev/src/Controller/GinLpChooseComponentController.php

<?php

namespace Drupal\gin_lp\Controller;

use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\Ajax\OpenOffCanvasDialogCommand;
use Drupal\Core\Template\Attribute;
use Drupal\Core\Ajax\OpenDialogCommand;
use Drupal\layout_paragraphs\Utility\Dialog;
use Symfony\Component\HttpFoundation\Request;
use Drupal\layout_paragraphs\LayoutParagraphsLayout;
use Drupal\layout_paragraphs\Controller\ChooseComponentController;

/**
 * ChooseComponentController controller class.
 *
 * Returns a list of links for available component types that can
 * be added to a layout region.
 */
class GinLpChooseComponentController extends ChooseComponentController {
  /**
   * Returns the insert component form class.
   */
  protected function getInsertComponentFormClass() {
    return '\Drupal\gin_lp\Form\GinLpInsertComponentForm';
  }

    /**
   * Returns a layout paragraphs component form using Ajax if appropriate.
   *
   * @param string $type_name
   *   The component (paragraph) type.
   * @param \Drupal\layout_paragraphs\LayoutParagraphsLayout $layout_paragraphs_layout
   *   The layout paragraphs layout object.
   * @param array $context
   *   The context for the new component.
   *
   * @return \Drupal\Core\Ajax\AjaxResponse|array
   *   An ajax response or form render array.
   */
  protected function componentForm(string $type_name, LayoutParagraphsLayout $layout_paragraphs_layout, array $context) {
    $type = $this->entityTypeManager()->getStorage('paragraphs_type')->load($type_name);
    $form = $this->formBuilder()->getForm(
      $this->getInsertComponentFormClass(),
      $layout_paragraphs_layout,
      $type,
      $context['parent_uuid'],
      $context['region'],
      $context['sibling_uuid'],
      $context['placement']
    );
    if ($this->isAjax()) {
      $response = new AjaxResponse();
      $selector = Dialog::dialogSelector($layout_paragraphs_layout);
      $response->addCommand(new OpenOffCanvasDialogCommand($form['#title'], $form, ['width' => 600]));
      return $response;
    }
    return $form;
  }
}