/**
* Retrieve availale payment methods
*
* @param Mage_Sales_Model_Quote $quote
* @return array
*/
public function getPaymentMethods(Mage_Sales_Model_Quote $quote)
{
if (is_null($this->_paymentMethodsBlock)) {
$this->_paymentMethodsBlock = Mage::getBlockSingleton('checkout/Onepage_Payment_Methods');
}
$methods = $this->_methods;
if (empty($methods)) {
$methodInstances = $this->_paymentMethodsBlock->setQuote($quote)->getMethods();
foreach ($methodInstances as $methodItem) {
$methods[] = $methodItem->getCode();
}
$this->_methods = $methods;
}
return $this->_methods;
}
