<?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_GiftMessage
 * @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)
 */


/**
 * Product attribute for allowing of gift messages per item
 *
 * @deprecated after 1.4.2.0
 *
 * @category   Mage
 * @package    Mage_GiftMessage
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_GiftMessage_Model_Entity_Attribute_Backend_Boolean_Config extends Mage_Eav_Model_Entity_Attribute_Backend_Abstract
{
    /**
     * Set attribute default value if value empty
     *
     * @param Varien_Object $object
     */
    public function afterLoad($object)
    {
        if(!$object->hasData($this->getAttribute()->getAttributeCode())) {
            $object->setData($this->getAttribute()->getAttributeCode(), $this->getDefaultValue());
        }
    }

    /**
     * Set attribute default value if value empty
     *
     * @param Varien_Object $object
     */
    public function beforeSave($object)
    {
        if($object->hasData($this->getAttribute()->getAttributeCode())
            && $object->getData($this->getAttribute()->getAttributeCode()) == $this->getDefaultValue()) {
            $object->unsData($this->getAttribute()->getAttributeCode());
        }
    }

    /**
     * Validate attribute data
     *
     * @param Varien_Object $object
     * @return boolean
     */
    public function validate($object)
    {
        // all attribute's options
        $optionsAllowed = array('0', '1', '2');

        $value = $object->getData($this->getAttribute()->getAttributeCode());

        return in_array($value, $optionsAllowed)? true : false;
    }

}