public function __construct($id = 0)
 {
     parent::__construct($id);
     $this->sortable = true;
     if (!$this->parameters['sort_by']) {
         $this->parameters['sort_by'] = "document_create_date";
     }
     if (!$this->parameters['sort_order']) {
         $this->parameters['sort_order'] = "desc";
     }
 }
 public function __construct($id = 0)
 {
     parent::__construct($id);
     $this->limitable = true;
 }
 public function __construct($id = 0)
 {
     parent::__construct($id);
 }
 public function __construct($id = 0)
 {
     parent::__construct($id);
     $this->sortable = false;
     $this->limitable = false;
 }