/app/code/core/Mage/Adminhtml/Model/System/Config/Source/Admin/Page.php

<?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) 2011 Magento Inc. (http://www.magentocommerce.com)


 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)


 */








/**


 * Admin system config sturtup page


 *


 * @category   Mage


 * @package    Mage_Adminhtml


 * @author     Magento Core Team <core@magentocommerce.com>


 */


class Mage_Adminhtml_Model_System_Config_Source_Admin_Page


{


    protected $_url;





    public function toOptionArray()


    {


        $options = array();


        $menu    = $this->_buildMenuArray();





        $this->_createOptions($options, $menu);





        return $options;


    }





    protected function _createOptions(&$optionArray, $menuNode)


    {


        $nonEscapableNbspChar = html_entity_decode('&#160;', ENT_NOQUOTES, 'UTF-8');





        foreach ($menuNode as $menu) {





            if (!empty($menu['url'])) {


                $optionArray[] = array(


                    'label' => str_repeat($nonEscapableNbspChar, ($menu['level'] * 4)) . $menu['label'],


                    'value' => $menu['path'],


                );





                if (isset($menu['children'])) {


                    $this->_createOptions($optionArray, $menu['children']);


                }


            }


            else {


                $children = array();





                if(isset($menu['children'])) {


                    $this->_createOptions($children, $menu['children']);


                }





                $optionArray[] = array(


                    'label' => str_repeat($nonEscapableNbspChar, ($menu['level'] * 4)) . $menu['label'],


                    'value' => $children,


                );


            }


        }


    }





    protected function _getUrlModel()


    {


        if (is_null($this->_url)) {


            $this->_url = Mage::getModel('adminhtml/url');


        }


        return $this->_url;


    }





    protected function _buildMenuArray(Varien_Simplexml_Element $parent=null, $path='', $level=0)


    {


        if (is_null($parent)) {


            $parent = Mage::getSingleton('admin/config')->getAdminhtmlConfig()->getNode('menu');


        }





        $parentArr = array();


        $sortOrder = 0;


        foreach ($parent->children() as $childName=>$child) {





            if ($child->depends && !$this->_checkDepends($child->depends)) {


                continue;


            }





            $menuArr = array();


            $menuArr['label'] = $this->_getHelperValue($child);





            $menuArr['sort_order'] = $child->sort_order ? (int)$child->sort_order : $sortOrder;





            if ($child->action) {


                $menuArr['url'] = (string)$child->action;


            } else {


                $menuArr['url'] = '';


            }





            $menuArr['level'] = $level;


            $menuArr['path'] = $path . $childName;





            if ($child->children) {


                $menuArr['children'] = $this->_buildMenuArray($child->children, $path.$childName.'/', $level+1);


            }


            $parentArr[$childName] = $menuArr;





            $sortOrder++;


        }





        uasort($parentArr, array($this, '_sortMenu'));





        while (list($key, $value) = each($parentArr)) {


            $last = $key;


        }


        if (isset($last)) {


            $parentArr[$last]['last'] = true;


        }





        return $parentArr;


    }





    protected function _sortMenu($a, $b)


    {


        return $a['sort_order']<$b['sort_order'] ? -1 : ($a['sort_order']>$b['sort_order'] ? 1 : 0);


    }





    protected function _checkDepends(Varien_Simplexml_Element $depends)


    {


        if ($depends->module) {


            $modulesConfig = Mage::getConfig()->getNode('modules');


            foreach ($depends->module as $module) {


                if (!$modulesConfig->$module || !$modulesConfig->$module->is('active')) {


                    return false;


                }


            }


        }





        return true;


    }





    protected function _getHelperValue(Varien_Simplexml_Element $child)


    {


        $helperName         = 'adminhtml';


        $titleNodeName      = 'title';


        $childAttributes    = $child->attributes();


        if (isset($childAttributes['module'])) {


            $helperName     = (string)$childAttributes['module'];


        }





        $titleNodeName = 'title';





        return Mage::helper($helperName)->__((string)$child->$titleNodeName);


    }


}