function list_all()
{
$dis['base_url'] = base_url();
$bannercat = new bannercat();
$bannercat->order_by('position', 'asc');
$bannercat->get();
$dis['view'] = 'banner/list';
$dis['menu_active'] = "Hình quảng cáo";
$dis['title'] = "Banner";
$dis['bannercat'] = $bannercat;
$dis['nav_menu'] = array(array("type" => "add", "text" => "Thêm banner", "link" => "{$this->admin_url}bannercats/edit/", "onclick" => ""));
$this->viewadmin($dis);
}
function save($object = '', $related_field = '')
{
if (!$this->exists()) {
$o = new bannercat();
$o->select_max('position');
$o->get();
if (count($o->all) != 0) {
$max = $o->position + 1;
$this->position = $max;
} else {
$this->postion = 1;
}
}
return parent::save($object, $related_field);
}
