protected function prepareSales(Pap_Tracking_ActionTracker $saleTracker) {
     if ($this->getRequestObject()->getPostParam('num_cart_items') > 0
         && Gpf_Settings::get(PayPal_Config::PROCESS_WHOLE_CART_AS_ONE_TRANSACTION) == GPF::NO) {
             $this->prepareSeparateCartItems($saleTracker);
     } else {
         parent::prepareSales($saleTracker);
     }
 }
 protected function prepareSales(Pap_Tracking_ActionTracker $saleTracker) {
     if (Gpf_Settings::get(ISecure_Config::PROCESS_WHOLE_CART_AS_ONE_TRANSACTION) == GPF::NO) {
         $this->prepareSeparateCartItems($saleTracker);
     } else {
         parent::prepareSales($saleTracker);
     }
 }