protected function prepareExecute()
{
parent::prepareExecute();
$topicsModel = new TopicsModel();
$topicsModel->addFilter('topic.state', 1);
$topicsModel->setOrdering('topic.last_reply_date', 'DESC');
$topicsModel->set('list.limit', 10);
$usersModel = new UsersModel();
$usersModel->setOrdering('user.registererd', 'DESC');
$usersModel->set('list.limit', 10);
$this->subModels['topics'] = $topicsModel;
$this->subModels['users'] = $usersModel;
}