public function before()
 {
     parent::before();
     $opts = ['roots' => config('filemanager', 'volumes')];
     // run elFinder
     return (new Connector(new elFinder($opts)))->run($this->request);
 }
 public function before()
 {
     parent::before();
     $this->collection = $this->getCollection();
     $this->sectionPrefix = $this->getSectionPrefix();
 }