<?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 grid item renderer number or blank line
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 */
class Mage_Adminhtml_Block_Report_Grid_Column_Renderer_Blanknumber extends Mage_Adminhtml_Block_Widget_Grid_Column_Renderer_Number
{
    protected function _getValue(Varien_Object $row)
    {
        $data = parent::_getValue($row);
        if (!is_null($data)) {
            $value = $data * 1;
            return $value ? $value : ''; // fixed for showing blank cell in grid
            /**
             * @todo may be bug in i.e. needs to be fixed
             */
        }
        return $this->getColumn()->getDefault();
    }
}
