public AjaxRenderer::renderResponse(array $main_content, Request $request, RouteMatchInterface $route_match)
Renders the main content render array into a response.
Parameters
array $main_content: The render array representing the main content.
\Symfony\Component\HttpFoundation\Request $request: The request object, for context.
\Drupal\Core\Routing\RouteMatchInterface $route_match: The route match, for context.
Return value
\Symfony\Component\HttpFoundation\Response The Response in the format that this implementation supports.
Overrides MainContentRendererInterface::renderResponse
File
- core/lib/Drupal/Core/Render/MainContent/AjaxRenderer.php, line 45
Class
- AjaxRenderer
- Default main content renderer for Ajax requests.
Namespace
Drupal\Core\Render\MainContent
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | public function renderResponse(array $main_content, Request $request, RouteMatchInterface $route_match) { $response = new AjaxResponse(); if (isset($main_content['#type']) && ($main_content['#type'] == 'ajax')) { // Complex Ajax callbacks can return a result that contains an error // message or a specific set of commands to send to the browser. $main_content += $this->elementInfoManager->getInfo('ajax'); $error = $main_content['#error']; if (!empty($error)) { // Fall back to some default message otherwise use the specific one. if (!is_string($error)) { $error = 'An error occurred while handling the request: The server received invalid input.'; } $response->addCommand(new AlertCommand($error)); } } $html = $this->drupalRenderRoot($main_content); $response->setAttachments($main_content['#attached']); // The selector for the insert command is NULL as the new content will // replace the element making the Ajax call. The default 'replaceWith' // behavior can be changed with #ajax['method']. $response->addCommand(new InsertCommand(NULL, $html)); $status_messages = array('#type' => 'status_messages'); $output = $this->drupalRenderRoot($status_messages); if (!empty($output)) { $response->addCommand(new PrependCommand(NULL, $output)); } return $response;} |
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