<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Sales
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


class Mage_Sales_Model_Entity_Order_Invoice_Attribute_Backend_Parent
    extends Mage_Eav_Model_Entity_Attribute_Backend_Abstract
{
    public function afterSave($object)
    {
        parent::afterSave($object);

        /**
         * Save invoice items
         */
        foreach ($object->getAllItems() as $item) {
            $item->setOrderItem($item->getOrderItem());
            $item->save();
        }

        foreach($object->getCommentsCollection() as $comment) {
            $comment->save();
        }

        return $this;
    }
}