<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * 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@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_View

 * @subpackage Helper

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Currency.php 20785 2010-01-31 09:43:03Z mikaelkael $

 */

/** Zend_View_Helper_Abstract.php */

require_once 'Zend/View/Helper/Abstract.php';

/**

 * Currency view helper

 *

 * @category  Zend

 * @package   Zend_View

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_View_Helper_Currency extends Zend_View_Helper_Abstract

{

    /**

     * Currency object

     *

     * @var Zend_Currency

     */

    protected $_currency;

    /**

     * Constructor for manually handling

     *

     * @param  Zend_Currency $currency Instance of Zend_Currency

     * @return void

     */

    public function __construct($currency = null)

    {

        if ($currency === null) {

            require_once 'Zend/Registry.php';

            if (Zend_Registry::isRegistered('Zend_Currency')) {

                $currency = Zend_Registry::get('Zend_Currency');

            }

        }

        $this->setCurrency($currency);

    }

    /**

     * Output a formatted currency

     *

     * @param  integer|float                    $value    Currency value to output

     * @param  string|Zend_Locale|Zend_Currency $currency OPTIONAL Currency to use for this call

     * @return string Formatted currency

     */

    public function currency($value = null, $currency = null)

    {

        if ($value === null) {

            return $this;

        }

        if (is_string($currency) || ($currency instanceof Zend_Locale)) {

            require_once 'Zend/Locale.php';

            if (Zend_Locale::isLocale($currency)) {

                $currency = array('locale' => $currency);

            }

        }

        if (is_string($currency)) {

            $currency = array('currency' => $currency);

        }

        if (is_array($currency)) {

            return $this->_currency->toCurrency($value, $currency);

        }

        return $this->_currency->toCurrency($value);

    }

    /**

     * Sets a currency to use

     *

     * @param  Zend_Currency|String|Zend_Locale $currency Currency to use

     * @throws Zend_View_Exception When no or a false currency was set

     * @return Zend_View_Helper_Currency

     */

    public function setCurrency($currency = null)

    {

        if (!$currency instanceof Zend_Currency) {

            require_once 'Zend/Currency.php';

            $currency = new Zend_Currency($currency);

        }

        $this->_currency = $currency;

        return $this;

    }

    /**

     * Retrieve currency object

     *

     * @return Zend_Currency|null

     */

    public function getCurrency()

    {

        return $this->_currency;

    }

}