<?php
/**
 * aheadWorks Co.
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the EULA
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://ecommerce.aheadworks.com/AW-LICENSE.txt
 *
 * =================================================================
 *                 MAGENTO EDITION USAGE NOTICE
 * =================================================================
 * This software is designed to work with Magento enterprise edition and
 * its use on an edition other than specified is prohibited. aheadWorks does not
 * provide extension support in case of incorrect edition use.
 * =================================================================
 *
 * @category   AW
 * @package    AW_Helpdesk3
 * @version    3.3.2
 * @copyright  Copyright (c) 2010-2012 aheadWorks Co. (http://www.aheadworks.com)
 * @license    http://ecommerce.aheadworks.com/AW-LICENSE.txt
 */


class AW_Helpdesk3_Model_Source_EmailValidator extends Mage_Core_Model_Config_Data
{
    protected function _beforeSave()
    {
        if (trim($this->getValue()) != '') {
            $emails = explode(',', $this->getValue());
            $emailValidator = new Zend_Validate_EmailAddress;
            $value = array();
            foreach ($emails as $email) {
                $_email = trim($email);
                if (!$emailValidator->isValid($_email)) {
                    Mage::getSingleton('adminhtml/session')->addNotice(Mage::helper('aw_hdu3')->__('%s is not valid email address.', $_email));
                } else {
                    $value[] = $_email;
                }
            }
            $this->setValue(implode(',', $value));
        } else {
            $this->setValue('');
        }
        return parent::_beforeSave();
    }
}