<?php

class Qs_SiteMap extends Qs_Sys_SiteMap
{
    public static function filterExclude(array $siteMap, array $filter)
    {
        return Qs_SiteMap::_filterExclude($siteMap, $filter);
    }

    protected static function _filterExclude(array $siteMap, array $filter)
    {
        if (empty($siteMap) || empty($filter)) {
            return $siteMap;
        }
        foreach ($siteMap as $alias => &$page) {
            if (!array_diff_assoc($filter, $page)) {
                unset($siteMap[$alias]);
            }
            if (isset($page['sub']) && !empty($page['sub'])) {
                $page['sub'] = Qs_SiteMap::_filterExclude($page['sub'], $filter);
            }
        }
        return $siteMap;
    }

    public static function findFirstLocal($page = null, $item = null, $config = null, $field = null)
    {
        return Qs_SiteMap::findFirst($page, $item, $config, $field, Qs_Sitemap::getLocal());
    }

    public static function getLocal()
    {
        if (ADMIN_END) {
            $siteMap = Qs_SiteMap::getBackendSiteMapFull();
        } else {
            $siteMap = Qs_SiteMap::getFull();
            reset($siteMap);
            unset($siteMap[key($siteMap)]['sub']['admin']);
        }
        return $siteMap;
    }

}