<?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_Adminhtml
 * @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)
 */

/**
 * Order create data
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Adminhtml_Block_Sales_Order_Create_Data extends Mage_Adminhtml_Block_Sales_Order_Create_Abstract
{
    /**
     * Retrieve avilable currency codes
     *
     * @return unknown
     */
    public function getAvailableCurrencies()
    {
        $dirtyCodes = $this->getStore()->getAvailableCurrencyCodes();
        $codes = array();
        if (is_array($dirtyCodes) && count($dirtyCodes)) {
            $rates = Mage::getModel('directory/currency')->getCurrencyRates(
                Mage::app()->getStore()->getBaseCurrency(),
                $dirtyCodes
            );
            foreach ($dirtyCodes as $code) {
                if (isset($rates[$code]) || $code == Mage::app()->getStore()->getBaseCurrencyCode()) {
                    $codes[] = $code;
                }
            }
        }
        return $codes;
    }

    /**
     * Retrieve curency name by code
     *
     * @param   string $code
     * @return  string
     */
    public function getCurrencyName($code)
    {
        return Mage::app()->getLocale()->currency($code)->getName();
    }

    /**
     * Retrieve curency name by code
     *
     * @param   string $code
     * @return  string
     */
    public function getCurrencySymbol($code)
    {
        $currency = Mage::app()->getLocale()->currency($code);
        return $currency->getSymbol() ? $currency->getSymbol() : $currency->getShortName();
    }

    /**
     * Retrieve current order currency code
     *
     * @return string
     */
    public function getCurrentCurrencyCode()
    {
        return $this->getStore()->getCurrentCurrencyCode();
    }

}