vendor/contao-bootstrap/grid/src/Component/ContentElement/GridStopElementController.php line 18

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  1. <?php
  3. declare(strict_types=1);
  5. namespace ContaoBootstrap\Grid\Component\ContentElement;
  7. use Contao\ContentModel;
  8. use Contao\CoreBundle\ServiceAnnotation\ContentElement;
  9. use Contao\Model;
  10. use ContaoBootstrap\Grid\Exception\GridNotFound;
  11. use ContaoBootstrap\Grid\GridIterator;
  12. use Symfony\Component\HttpFoundation\Request;
  13. use Symfony\Component\HttpFoundation\Response;
  15. use function assert;
  17. /** @ContentElement("bs_gridStop", category="bs_grid") */
  18. final class GridStopElementController extends AbstractGridElementController
  19. {
  20.     /** {@inheritDoc} */
  21.     protected function preGenerate(Request $request, Model $model, string $section, ?array $classes = null): ?Response
  22.     {
  23.         assert($model instanceof ContentModel);
  25.         if (! $this->isBackendRequest($request)) {
  26.             $iterator = $this->getIterator($model);
  27.             if ($iterator) {
  28.                 $iterator->rewind();
  29.             }
  31.             return null;
  32.         }
  34.         return $this->renderContentBackendView($this->getParent($model));
  35.     }
  37.     /**
  38.      * Get the parent model.
  39.      */
  40.     protected function getParent(ContentModel $model): ?ContentModel
  41.     {
  42.         return ContentModel::findByPk($model->bs_grid_parent);
  43.     }
  45.     protected function getIterator(ContentModel $model): ?GridIterator
  46.     {
  47.         $provider = $this->getGridProvider();
  48.         $parent   = $this->getParent($model);
  50.         if ($parent) {
  51.             try {
  52.                 $iterator = $provider->getIterator('ce:' . $parent->id, (int) $parent->bs_grid);
  53.                 $this->tagResponse('contao.db.tl_bs_grid.' . $parent->bs_grid);
  55.                 return $iterator;
  56.             } catch (GridNotFound $e) {
  57.                 // Do nothing. In backend view an error is shown anyway.
  58.                 return null;
  59.             }
  60.         }
  62.         return null;
  63.     }
  64. }