/**
* Add billing agreement filter
*
* @param mixed $argument
* @throws DomainException
* @return mixed
*/
public function update($argument)
{
$billingAgreement = $this->_registryManager->registry('current_billing_agreement');
if (!$billingAgreement) {
throw new DomainException('Undefined billing agreement object');
}
$argument->addBillingAgreementsFilter($billingAgreement->getId());
return $argument;
}
/**
* Retrieve currently edited product object
*
* @return mixed
*/
private function getProduct()
{
return $this->_registryManager->registry('current_product');
}
/**
* Retrive email template model
*
* @return Mage_Core_Model_Email_Template
*/
public function getEmailTemplate()
{
return $this->_registryManager->registry('current_email_template');
}
/**
* Add filter by entity type id to collection
*
* @return Mage_Core_Model_Resource_Db_Collection_Abstract|Mage_Eav_Model_Resource_Entity_Attribute_Grid_Collection
*/
protected function _initSelect()
{
parent::_initSelect();
$this->setEntityTypeFilter($this->_registryManager->registry('entityType'));
return $this;
}
/**
* Retrieve currently edited product object
*
* @return Mage_Catalog_Model_Product
*/
protected function _getProduct()
{
return $this->_registryManager->registry('current_product');
}
