<?php
/**
 * OpenMage
 *
 * 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 at https://opensource.org/license/osl-3-0-php
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @copyright  Copyright (c) 2006-2020 Magento, Inc. (https://www.magento.com)
 * @copyright  Copyright (c) 2022-2023 The OpenMage Contributors (https://www.openmage.org)
 * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Adminhtml sales shipment comment view block
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 */
class Mage_Adminhtml_Block_Sales_Order_Invoice_View_Comments extends Mage_Adminhtml_Block_Text_List
{
    /**
     * Retrieve invoice order
     *
     * @return Mage_Sales_Model_Order
     */
    public function getOrder()
    {
        return $this->getInvoice()->getOrder();
    }

    /**
     * Retrieve source
     *
     * @return Mage_Sales_Model_Order_Invoice
     */
    public function getSource()
    {
        return $this->getInvoice();
    }

    /**
     * Retrieve invoice model instance
     *
     * @return Mage_Sales_Model_Order_Invoice
     */
    public function getInvoice()
    {
        return Mage::registry('current_invoice');
    }
}
