<?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@magento.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.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Connect
 * @copyright  Copyright (c) 2006-2016 X.commerce, Inc. and affiliates (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
* Class for viewer
*
* @category   Mage
* @package    Mage_Connect
* @copyright  Copyright (c) 2009 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
* @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*/
class Maged_View
{
    /**
    * Internal cache
    *
    * @var array
    */
    protected $_data = array();

    /**
    * Constructor
    */
    public function __construct()
    {

    }

    /**
    * Retrieve Controller as singleton
    *
    * @return Maged_Controller
    */
    public function controller()
    {
        return Maged_Controller::singleton();
    }

    /**
    * Create url by action and params
    *
    * @param mixed $action
    * @param mixed $params
    * @return string
    */
    public function url($action='', $params=array())
    {
        return $this->controller()->url($action, $params);
    }

    /**
    * Retrieve base url
    *
    * @return string
    */
    public function baseUrl()
    {
        return str_replace('\\', '/', dirname($_SERVER['SCRIPT_NAME']));
    }

    /**
    * Retrieve url of magento
    *
    * @return string
    */
    public function mageUrl()
    {
        return str_replace('\\', '/', dirname($this->baseUrl()));
    }

    /**
    * Include template
    *
    * @param string $name
    * @return string
    */
    public function template($name)
    {
        ob_start();
        include $this->controller()->filepath('template/'.$name);
        return ob_get_clean();
    }

    /**
    * Set value for key
    *
    * @param string $key
    * @param mixed $value
    * @return Maged_Controller
    */
    public function set($key, $value)
    {
        $this->_data[$key] = $value;
        return $this;
    }

    /**
    * Get value by key
    *
    * @param string $key
    * @return mixed
    */
    public function get($key)
    {
        return isset($this->_data[$key]) ? $this->_data[$key] : null;
    }

    /**
    * Translator
    *
    * @param string $string
    * @return string
    */
    public function __($string)
    {
        return $string;
    }

    /**
    * Retrieve link for header menu
    *
    * @param mixed $action
    */
    public function getNavLinkParams($action)
    {
        $params = 'href="'.$this->url($action).'"';
        if ($this->controller()->getAction()==$action) {
            $params .= ' class="active"';
        }
        return $params;
    }

    /**
     * Retrieve Session Form Key
     *
     * @return string
     */
    public function getFormKey()
    {
        return $this->controller()->getFormKey();
    }

    /**
     * Escape html entities
     *
     * @param   mixed $data
     * @param   array $allowedTags
     * @return  mixed
     */
    public function escapeHtml($data, $allowedTags = null)
    {
        if (is_array($data)) {
            $result = array();
            foreach ($data as $item) {
                $result[] = $this->escapeHtml($item);
            }
        } else {
            // process single item
            if (strlen($data)) {
                if (is_array($allowedTags) and !empty($allowedTags)) {
                    $allowed = implode('|', $allowedTags);
                    $result = preg_replace('/<([\/\s\r\n]*)(' . $allowed . ')([\/\s\r\n]*)>/si', '##$1$2$3##', $data);
                    $result = htmlspecialchars($result, ENT_COMPAT, 'UTF-8', false);
                    $result = preg_replace('/##([\/\s\r\n]*)(' . $allowed . ')([\/\s\r\n]*)##/si', '<$1$2$3>', $result);
                } else {
                    $result = htmlspecialchars($data, ENT_COMPAT, 'UTF-8', false);
                }
            } else {
                $result = $data;
            }
        }
        return $result;
    }
}