Author: Adam Piotrowski (adam@wellcommerce.org)
Inheritance: extends WellCommerce\Bundle\DoctrineBundle\Repository\RepositoryInterface
 /**
  * Constructor
  *
  * @param LayoutBoxRepositoryInterface $layoutBoxRepository
  */
 public function __construct(LayoutBoxRepositoryInterface $layoutBoxRepository)
 {
     $layoutBoxes = $layoutBoxRepository->findAll();
     foreach ($layoutBoxes as $layoutBox) {
         $this->add($layoutBox);
     }
 }