/**
* Get the processor's form fields. Custom controllers use this function
* to add the form fields specifically to gateways.
*
* @return FieldList
*/
public function getFormFields()
{
$fieldList = new FieldList();
$fieldList->push(new NumericField('Amount', 'Amount', ''));
$fieldList->push(new DropDownField('Currency', 'Select currency :', $this->gateway->getSupportedCurrencies()));
return $fieldList;
}
