/**
* Prepare and set collection of grid
*
* @return Mage_Adminhtml_Block_Widget_Grid
*/
protected function _prepareCollection()
{
if ($vendor = Mage::helper('smvendors')->getVendorLogin()) {
$grandParent = get_parent_class(get_parent_class($this));
$collection = Mage::getResourceModel($this->_getCollectionClass());
$collection->join(array('smo' => 'smvendors/order'), "main_table.order_id = smo.order_id\n AND smo.vendor_id = {$vendor->getId()}\n AND main_table.vendor_id = {$vendor->getId()}", array('vendor_increment_id' => 'smo.increment_id'));
$this->setCollection($collection);
call_user_func(array($grandParent, '_prepareCollection'));
} else {
return parent::_prepareCollection();
}
}
