/**
  * Etablit le listing au format JSON du contenu d'un disque
  * @param string $dir Disque dont le contenu est à lister
  */
 public function filesAction($dir = "Datas")
 {
     $this->view->disable();
     $cloud = $this->config->cloud;
     $root = $cloud->root . $cloud->prefix . $this->session->get("activeUser")->getLogin() . "/";
     $response = DirectoryUtils::scan($root . $dir, $root);
     header('Content-type: application/json');
     echo json_encode(array("name" => $dir, "type" => "folder", "path" => $dir, "items" => $response, "root" => $root));
 }