protected function getListCurrency($count = false)
    {
        $currencies = $this->currency->getList();

        $allowed = $this->getAllowedFiltersCurrency();
        $this->filterList($currencies, $allowed, $this->query_filter);
        $this->sortList($currencies, $allowed, $this->query_filter, array('modified' => 'desc'));

        if ($count) {
            return count($currencies);
        }

        $this->limitList($currencies, $this->data_limit);
        return $currencies;
    }