vendor/asprega/breadcrumb-bundle/EventListener/BreadcrumbListener.php line 35

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  1. <?php
  3. namespace AndreaSprega\Bundle\BreadcrumbBundle\EventListener;
  5. use AndreaSprega\Bundle\BreadcrumbBundle\Annotation\Breadcrumb;
  6. use AndreaSprega\Bundle\BreadcrumbBundle\Service\BreadcrumbBuilder;
  7. use Doctrine\Common\Annotations\Reader;
  8. use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
  10. class BreadcrumbListener
  11. {
  12.     /**
  13.      * @var Reader
  14.      */
  15.     private $annotationReader;
  17.     /**
  18.      * @var BreadcrumbBuilder
  19.      */
  20.     private $breadcrumbBuilder;
  22.     /**
  23.      * @param BreadcrumbBuilder $breadcrumbBuilder
  24.      * @param Reader $annotationReader
  25.      */
  26.     public function __construct(BreadcrumbBuilder $breadcrumbBuilder, Reader $annotationReader)
  27.     {
  28.         $this->breadcrumbBuilder = $breadcrumbBuilder;
  29.         $this->annotationReader = $annotationReader;
  30.     }
  32.     /**
  33.      * @param FilterControllerEvent $event
  34.      */
  35.     public function onKernelController(FilterControllerEvent $event)
  36.     {
  37.         // In case controller is not an array (e.g. a closure or an invokable class), we can't do anything.
  38.         if (!is_array($event->getController())) {
  39.             return;
  40.         }
  42.         list($controller, $action) = $event->getController();
  44.         $class = new \ReflectionClass($controller);
  45.         $method = new \ReflectionMethod($controller, $action);
  47.         $annotations = [];
  48.         if (($classAnnotation = $this->annotationReader->getClassAnnotation($class, Breadcrumb::class))) {
  49.             $annotations[] = $classAnnotation;
  50.         }
  51.         if ($methodAnnotation = $this->annotationReader->getMethodAnnotation($method, Breadcrumb::class)) {
  52.             $annotations[] = $methodAnnotation;
  53.         }
  55.         foreach ($annotations as $annotation) {
  56.             foreach ($annotation->items as $item) {
  57.                 $this->breadcrumbBuilder->addItem(
  58.                     $item['label'],
  59.                     isset($item['route']) ? $item['route'] : null,
  60.                     isset($item['params']) ? $item['params'] : null
  61.                 );
  62.             }
  63.         }
  64.     }
  65. }