protected function prepareData($data)
{
$state = $this->model->getState();
$state['list.limit'] = 0;
$state['list.filter'] = array('category.level' => 1);
$data->items = $this->model->getItems();
foreach ($data->items as $item) {
$item->params = new Registry($item->params);
$item->last_post = $this->model['category']->getLastPost($item->id);
}
}