/**
  * Checks the existence of a user provided item path.
  * Scans the parent folder and returns the item object if it is accessible.
  */
 public function checkItem($path)
 {
     if ($parts = Imce::splitPath($path)) {
         if ($folder = $this->checkFolder($parts[0])) {
             return $folder->checkItem($parts[1]);
         }
     }
 }