/**
  * Function to process the form
  *
  * @access public
  * @return None
  */
 function postProcess()
 {
     require_once 'CRM/Contribute/BAO/PaymentInstrument.php';
     if ($this->_action & CRM_CORE_ACTION_DELETE) {
         CRM_Contribute_BAO_PaymentInstrument::del($this->_id);
         CRM_Core_Session::setStatus(ts('Selected Payment Instrument has been deleted.'));
     } else {
         $params = $ids = array();
         // store the submitted values in an array
         $params = $this->exportValues();
         if ($this->_action & CRM_CORE_ACTION_UPDATE) {
             $ids['paymentInstrument'] = $this->_id;
         }
         $paymentInstrument = CRM_Contribute_BAO_PaymentInstrument::add($params, $ids);
         CRM_Core_Session::setStatus(ts('The Payment Instrument "%1" has been saved.', array(1 => $paymentInstrument->name)));
     }
 }
 /**
  * retrieve the default PaymentInstrument
  *
  * @return object           The default PaymentInstrument object on success,
  *                          null otherwise
  * @static
  * @access public
  */
 function &getDefault()
 {
     if ($GLOBALS['_CRM_CONTRIBUTE_BAO_PAYMENTINSTRUMENT']['_defaultPaymentInstrument'] == null) {
         $params = array('is_default' => 1);
         $defaults = array();
         $GLOBALS['_CRM_CONTRIBUTE_BAO_PAYMENTINSTRUMENT']['_defaultPaymentInstrument'] = CRM_Contribute_BAO_PaymentInstrument::retrieve($params, $defaults);
     }
     return $GLOBALS['_CRM_CONTRIBUTE_BAO_PAYMENTINSTRUMENT']['_defaultPaymentInstrument'];
 }