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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\node\ContextProvider\NodeRouteContext. | |
| */ | |
| namespace Drupal\node\ContextProvider; | |
| use Drupal\Core\Cache\CacheableMetadata; | |
| use Drupal\Core\Plugin\Context\Context; | |
| use Drupal\Core\Plugin\Context\ContextDefinition; | |
| use Drupal\Core\Plugin\Context\ContextProviderInterface; | |
| use Drupal\Core\Routing\RouteMatchInterface; | |
| use Drupal\node\Entity\Node; | |
| use Drupal\Core\StringTranslation\StringTranslationTrait; | |
| /** | |
| * Sets the current node as a context on node routes. | |
| */ | |
| class NodeRouteContext implements ContextProviderInterface { | |
| use StringTranslationTrait; | |
| /** | |
| * The route match object. | |
| * | |
| * @var \Drupal\Core\Routing\RouteMatchInterface | |
| */ | |
| protected $routeMatch; | |
| /** | |
| * Constructs a new NodeRouteContext. | |
| * | |
| * @param \Drupal\Core\Routing\RouteMatchInterface $route_match | |
| * The route match object. | |
| */ | |
| public function __construct(RouteMatchInterface $route_match) { | |
| $this->routeMatch = $route_match; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getRuntimeContexts(array $unqualified_context_ids) { | |
| $result = []; | |
| $context_definition = new ContextDefinition('entity:node', NULL, FALSE); | |
| $value = NULL; | |
| if (($route_object = $this->routeMatch->getRouteObject()) && ($route_contexts = $route_object->getOption('parameters')) && isset($route_contexts['node'])) { | |
| if ($node = $this->routeMatch->getParameter('node')) { | |
| $value = $node; | |
| } | |
| } | |
| elseif ($this->routeMatch->getRouteName() == 'node.add') { | |
| $node_type = $this->routeMatch->getParameter('node_type'); | |
| $value = Node::create(array('type' => $node_type->id())); | |
| } | |
| $cacheability = new CacheableMetadata(); | |
| $cacheability->setCacheContexts(['route']); | |
| $context = new Context($context_definition, $value); | |
| $context->addCacheableDependency($cacheability); | |
| $result['node'] = $context; | |
| return $result; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getAvailableContexts() { | |
| $context = new Context(new ContextDefinition('entity:node', $this->t('Node from URL'))); | |
| return ['node' => $context]; | |
| } | |
| } |