public function getContent()
 {
     $id_confirmpayment = (int) Tools::getValue('id_confirmpayment');
     if (Tools::isSubmit('saveconfirmpayment')) {
         if ($this->processSaveConfirmPayment()) {
             return $this->html . $this->renderList();
         } else {
             return $this->html . $this->renderForm();
         }
     } elseif (Tools::isSubmit('updateconfirmpayment') || Tools::isSubmit('addconfirmpayment')) {
         $this->html .= $this->renderForm();
         return $this->html;
     } else {
         if (Tools::isSubmit('deleteconfirmpayment')) {
             $chandra = new TableConfirmPayment((int) $id_confirmpayment);
             $chandra->delete();
             $this->_clearCache('confirmpayment.tpl');
             Tools::redirectAdmin(AdminController::$currentIndex . '&configure=' . $this->name . '&token=' . Tools::getAdminTokenLite('AdminModules'));
         } else {
             $this->html .= $this->renderList();
             return $this->html;
         }
     }
 }