/**
* Retrieve collection empty item
* Redeclared for specifying id field name without getting resource model inside model
*
* @return Varien_Object
*/
public function getNewEmptyItem()
{
$object = parent::getNewEmptyItem();
if ($this->isEnabledFlat()) {
$object->setIdFieldName($this->getEntity()->getIdFieldName());
}
return $object;
}
