public ViewAjaxController::ajaxView(Request $request)
Loads and renders a view via AJAX.
Parameters
\Symfony\Component\HttpFoundation\Request $request: The current request object.
Return value
\Drupal\views\Ajax\ViewAjaxResponse The view response as ajax response.
Throws
\Symfony\Component\HttpKernel\Exception\NotFoundHttpException Thrown when the view was not found.
File
- core/modules/views/src/Controller/ViewAjaxController.php, line 112
Class
- ViewAjaxController
- Defines a controller to load a view via AJAX.
Namespace
Drupal\views\Controller
Code
public function ajaxView(Request $request) { $name = $request->request->get('view_name'); $display_id = $request->request->get('view_display_id'); if (isset($name) && isset($display_id)) { $args = $request->request->get('view_args'); $args = isset($args) && $args !== '' ? explode('/', $args) : array(); // Arguments can be empty, make sure they are passed on as NULL so that // argument validation is not triggered. $args = array_map(function($arg) { return ($arg == '' ? NULL : $arg); }, $args); $path = $request->request->get('view_path'); $dom_id = $request->request->get('view_dom_id'); $dom_id = isset($dom_id) ? preg_replace('/[^a-zA-Z0-9_-]+/', '-', $dom_id) : NULL; $pager_element = $request->request->get('pager_element'); $pager_element = isset($pager_element) ? intval($pager_element) : NULL; $response = new ViewAjaxResponse(); // Remove all of this stuff from the query of the request so it doesn't // end up in pagers and tablesort URLs. foreach (array('view_name', 'view_display_id', 'view_args', 'view_path', 'view_dom_id', 'pager_element', 'view_base_path', AjaxResponseSubscriber::AJAX_REQUEST_PARAMETER) as $key) { $request->query->remove($key); $request->request->remove($key); } // Load the view. if (!$entity = $this->storage->load($name)) { throw new NotFoundHttpException(); } $view = $this->executableFactory->get($entity); if ($view && $view->access($display_id)) { $response->setView($view); // Fix the current path for paging. if (!empty($path)) { $this->currentPath->setPath('/' . $path, $request); } // Add all POST data, because AJAX is always a post and many things, // such as tablesorts, exposed filters and paging assume GET. $request_all = $request->request->all(); $query_all = $request->query->all(); $request->query->replace($request_all + $query_all); // Overwrite the destination. // @see the redirect.destination service. $origin_destination = $path; // Remove some special parameters you never want to have part of the // destination query. $used_query_parameters = $request->query->all(); // @todo Remove this parsing once these are removed from the request in // https://www.drupal.org/node/2504709. unset($used_query_parameters[FormBuilderInterface::AJAX_FORM_REQUEST], $used_query_parameters[MainContentViewSubscriber::WRAPPER_FORMAT], $used_query_parameters['ajax_page_state']); $query = UrlHelper::buildQuery($used_query_parameters); if ($query != '') { $origin_destination .= '?' . $query; } $this->redirectDestination->set($origin_destination); // Override the display's pager_element with the one actually used. if (isset($pager_element)) { $response->addCommand(new ScrollTopCommand(".js-view-dom-id-$dom_id")); $view->displayHandlers->get($display_id)->setOption('pager_element', $pager_element); } // Reuse the same DOM id so it matches that in drupalSettings. $view->dom_id = $dom_id; $context = new RenderContext(); $preview = $this->renderer->executeInRenderContext($context, function() use ($view, $display_id, $args) { return $view->preview($display_id, $args); }); if (!$context->isEmpty()) { $bubbleable_metadata = $context->pop(); BubbleableMetadata::createFromRenderArray($preview) ->merge($bubbleable_metadata) ->applyTo($preview); } $response->addCommand(new ReplaceCommand(".js-view-dom-id-$dom_id", $preview)); return $response; } else { throw new AccessDeniedHttpException(); } } else { throw new NotFoundHttpException(); } }
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