drupal/core/modules/contextual/src/ContextualController.php

72 lines
1.8 KiB
PHP

<?php
namespace Drupal\contextual;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\Core\Render\RendererInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
/**
* Returns responses for Contextual module routes.
*/
class ContextualController implements ContainerInjectionInterface {
/**
* The renderer.
* @var \Drupal\Core\Render\RendererInterface
*/
protected $render;
/**
* Constructors a new ContextualController
*
* @param \Drupal\Core\Render\RendererInterface $renderer
* The renderer.
*/
public function __construct(RendererInterface $renderer) {
$this->renderer = $renderer;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('renderer')
);
}
/**
* Returns the requested rendered contextual links.
*
* Given a list of contextual links IDs, render them. Hence this must be
* robust to handle arbitrary input.
*
* @see contextual_preprocess()
*
* @return \Symfony\Component\HttpFoundation\JsonResponse
* The JSON response.
*/
public function render(Request $request) {
$ids = $request->request->get('ids');
if (!isset($ids)) {
throw new BadRequestHttpException(t('No contextual ids specified.'));
}
$rendered = [];
foreach ($ids as $id) {
$element = [
'#type' => 'contextual_links',
'#contextual_links' => _contextual_id_to_links($id),
];
$rendered[$id] = $this->renderer->renderRoot($element);
}
return new JsonResponse($rendered);
}
}