<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @version    $Id: Url.php 9131 2008-04-04 11:42:43Z thomas $
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * Helper for making easy links and getting urls that depend on the routes and router
 *
 * @package    Zend_View
 * @subpackage Helper
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_View_Helper_Url {

    /**
     * @var Zend_View Instance
     */
    public $view;

    /**
     * Generates an url given the name of a route.
     *
     * @access public
     *
     * @param  array $urlOptions Options passed to the assemble method of the Route object.
     * @param  mixed $name The name of a Route to use. If null it will use the current Route
     * @param  bool $reset Whether or not to reset the route defaults with those provided
     * @return string Url for the link href attribute.
     */
    public function url(array $urlOptions = array(), $name = null, $reset = false, $encode = true)
    {

        $front = Zend_Controller_Front::getInstance();

        $router = $front->getRouter();

        if (empty($name)) {
            try {
                $name = $router->getCurrentRouteName();
            } catch (Zend_Controller_Router_Exception $e) {
                $name = 'default';
            }
        }
        
        if ($encode) {
            foreach ($urlOptions as $key => $option) {
                $urlOptions[$key] = ($option !== null) ? urlencode($option) : $option;
            }
        }

        $route = $router->getRoute($name);

        $url = rtrim($front->getBaseUrl(), '/') . '/';
        $url .= $route->assemble($urlOptions, $reset);

        return $url;

    }

    /**
     * Set the view object
     *
     * @param Zend_View_Interface $view
     * @return void
     */
    public function setView(Zend_View_Interface $view)
    {
        $this->view = $view;
    }
}