protected function getCondition()
{
$condition = parent::getCondition();
if (!empty($condition)) {
$condition .= " AND ";
} else {
$condition = " WHERE ";
}
$types = [$this->model->getType(), $this->model->getType() . "folder"];
$condition .= "id > 0 AND `type` IN ('" . implode("','", $types) . "')";
return $condition;
}