protected function _prepareCollection()
{
$vendorOrder = Mage::registry('vendor_order');
if (!$vendorOrder) {
return parent::_prepareCollection();
} else {
$grandParent = get_parent_class(get_parent_class($this));
$collection = Mage::getResourceModel($this->_getCollectionClass())->addFieldToSelect('entity_id')->addFieldToSelect('created_at')->addFieldToSelect('increment_id')->addFieldToSelect('total_qty')->addFieldToSelect('shipping_name')->setOrderFilter($this->getOrder())->addFieldToFilter('vendor_id', $vendorOrder->getVendorId());
$this->setCollection($collection);
return call_user_func(array($grandParent, '_prepareCollection'));
}
}
