/**
* Import data array to payment method object,
* Method calls quote totals collect because payment method availability
* can be related to quote totals
*
* @param array $data
* @throws Mage_Core_Exception
* @return Mage_Sales_Model_Quote_Payment
*/
public function importData(array $data)
{
$data = new Varien_Object($data);
Mage::dispatchEvent($this->_eventPrefix . '_import_data_before', array($this->_eventObject => $this, 'input' => $data));
$this->setMethod($data->getMethod());
$method = $this->getMethodInstance();
/**
* Payment availability related with quote totals.
* We have to recollect quote totals before checking
*/
$this->getQuote()->collectTotals();
if (!$method->isAvailable($this->getQuote()) || !$method->isApplicableToQuote($this->getQuote(), $data->getChecks())) {
Mage::throwException(Mage::helper('sales')->__('The requested Payment Method is not available.'));
}
$method->assignData($data);
/*
* validating the payment data
*/
$method->validate();
return $this;
}