/**
  * Init view helpers
  *
  * @return array
  */
 public function getViewHelperConfig()
 {
     return ['invokables' => ['miniPhotoGalleryWidget' => 'MiniPhotoGallery\\View\\Widget\\MiniPhotoGalleryWidget'], 'factories' => ['miniPhotoGalleryImageUrl' => function () {
         $thumbDir = ApplicationService::getResourcesUrl() . MiniPhotoGalleryBaseModel::getThumbnailsDir();
         $imageDir = ApplicationService::getResourcesUrl() . MiniPhotoGalleryBaseModel::getImagesDir();
         return new \MiniPhotoGallery\View\Helper\MiniPhotoGalleryImageUrl($thumbDir, $imageDir);
     }]];
 }