protected function _getTabPf($user, $page = 1)
 {
     require_once ABS_PATH . '/classes/portfolio.php';
     require_once ABS_PATH . '/portfolio/models/PortfolioItemIterator.php';
     $tab = null;
     $portfolio = new portfolio();
     $list = $portfolio->getList($user['uid'], $page, $this->limit);
     if ($list) {
         $total = $portfolio->CountAll($user['uid']);
         $pages = ceil($total / $this->limit);
         $tab = array('elements' => new PortfolioItemIterator($user, $list), 'pages' => $pages, 'page' => $page);
     }
     return $tab;
 }