From 2b464937b0685870932a8b699eae1d8b98f0ca3a Mon Sep 17 00:00:00 2001
From: Ekkart Kleinod <ekkart.kleinod@fokus.fraunhofer.de>
Date: Wed, 13 Apr 2016 15:46:18 +0200
Subject: [PATCH 1/3] first try of introducing a maxcount option

---
 action.php                |  718 +++++++-------
 lang/de-informal/lang.php |    3 +-
 lang/de/lang.php          |    3 +-
 lang/en/lang.php          |    1 +
 syntax/indexmenu.php      | 1904 +++++++++++++++++++------------------
 5 files changed, 1325 insertions(+), 1304 deletions(-)

diff --git a/action.php b/action.php
index 15791f9..a303bc7 100644
--- a/action.php
+++ b/action.php
@@ -10,358 +10,368 @@
 
 class action_plugin_indexmenu extends DokuWiki_Action_Plugin {
 
-    /**
-     * plugin should use this method to register its handlers with the dokuwiki's event controller
-     *
-     * @param Doku_Event_Handler $controller DokuWiki's event controller object.
-     */
-    function register(Doku_Event_Handler $controller) {
-        if($this->getConf('only_admins')) $controller->register_hook('IO_WIKIPAGE_WRITE', 'BEFORE', $this, '_checkperm');
-        if($this->getConf('page_index') != '') $controller->register_hook('TPL_ACT_RENDER', 'BEFORE', $this, '_loadindex');
-        $controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, '_extendJSINFO');
-        $controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, '_purgecache');
-        if($this->getConf('show_sort')) $controller->register_hook('TPL_CONTENT_DISPLAY', 'BEFORE', $this, '_showsort');
-        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, '_ajax_call');
-    }
-
-    /**
-     * Check if user has permission to insert indexmenu
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     *
-     * @param Doku_Event $event
-     * @param mixed      $param not defined
-     */
-    function _checkperm(&$event, $param) {
-        global $INFO;
-        if(!$INFO['isadmin']) {
-            $event->data[0][1] = preg_replace("/{{indexmenu(|_n)>.+?}}/", "", $event->data[0][1]);
-        }
-    }
-
-    /**
-     * Add additional info to $JSINFO
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     * @author Gerrit Uitslag <klapinklapin@gmail.com>
-     *
-     * @param Doku_Event $event
-     * @param mixed      $param not defined
-     */
-    function _extendJSINFO(&$event, $param) {
-        global $INFO, $JSINFO;
-        $JSINFO['isadmin'] = (int) $INFO['isadmin'];
-        $JSINFO['isauth']  = (int) $INFO['userinfo'];
-    }
-
-    /**
-     * Check for pages changes and eventually purge cache.
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     *
-     * @param Doku_Event $event
-     * @param mixed      $param not defined
-     */
-    function _purgecache(&$event, $param) {
-        global $ID;
-        global $conf;
-        /** @var cache_parser $cache */
-        $cache = &$event->data;
-
-        if(!isset($cache->page)) return;
-        //purge only xhtml cache
-        if($cache->mode != "xhtml") return;
-        //Check if it is an indexmenu page
-        if(!p_get_metadata($ID, 'indexmenu')) return;
-
-        $aclcache = $this->getConf('aclcache');
-        if($conf['useacl']) {
-            $newkey = false;
-            if($aclcache == 'user') {
-                //Cache per user
-                if($_SERVER['REMOTE_USER']) $newkey = $_SERVER['REMOTE_USER'];
-            } else if($aclcache == 'groups') {
-                //Cache per groups
-                global $INFO;
-                if($INFO['userinfo']['grps']) $newkey = implode('#', $INFO['userinfo']['grps']);
-            }
-            if($newkey) {
-                $cache->key .= "#".$newkey;
-                $cache->cache = getCacheName($cache->key, $cache->ext);
-            }
-        }
-        //Check if a page is more recent than purgefile.
-        if(@filemtime($cache->cache) < @filemtime($conf['cachedir'].'/purgefile')) {
-            $event->preventDefault();
-            $event->stopPropagation();
-            $event->result = false;
-        }
-    }
-
-    /**
-     * Render a defined page as index.
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     *
-     * @param Doku_Event $event
-     * @param mixed      $param not defined
-     */
-    function _loadindex(&$event, $param) {
-        if('index' != $event->data) return;
-        if(!file_exists(wikiFN($this->getConf('page_index')))) return;
-        global $lang;
-        print '<h1><a id="index" name="index">'.$lang['btn_index']."</a></h1>\n";
-        print p_wiki_xhtml($this->getConf('page_index'));
-        $event->preventDefault();
-        $event->stopPropagation();
-
-    }
-
-    /**
-     * Display the indexmenu sort number.
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     *
-     * @param Doku_Event $event
-     * @param mixed      $param not defined
-     */
-    function _showsort(&$event, $param) {
-        global $ID, $ACT, $INFO;
-        if($INFO['isadmin'] && $ACT == 'show') {
-            if($n = p_get_metadata($ID, 'indexmenu_n')) {
-                ptln('<div class="info">');
-                ptln($this->getLang('showsort').$n);
-                ptln('</div>');
-            }
-        }
-    }
-
-    /**
-     * Handles ajax requests for indexmenu
-     *
-     * @param Doku_Event $event
-     * @param mixed      $param not defined
-     */
-    function _ajax_call(&$event, $param) {
-        if($event->data !== 'indexmenu') {
-            return;
-        }
-        //no other ajax call handlers needed
-        $event->stopPropagation();
-        $event->preventDefault();
-
-        switch($_REQUEST['req']) {
-            case 'local':
-                //list themes
-                header('Content-Type: application/json');
-
-                $data = $this->_getlocalThemes();
-
-                require_once DOKU_INC.'inc/JSON.php';
-                $json = new JSON();
-                echo ''.$json->encode($data).'';
-                break;
-
-            case 'toc':
-                //print toc preview
-                if(isset($_REQUEST['id'])) print $this->print_toc($_REQUEST['id']);
-                break;
-
-            case 'index':
-                //print index
-                if(isset($_REQUEST['idx'])) print $this->print_index($_REQUEST['idx']);
-                break;
-        }
-
-    }
-
-    /**
-     * Print a list of local themes
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     * @author Gerrit Uitslag <klapinklapin@gmail.com>
-     */
-    private function _getlocalThemes() {
-        $themebase = 'lib/plugins/indexmenu/images';
-
-        $handle = @opendir(DOKU_INC.$themebase);
-        $themes = array();
-        while(false !== ($file = readdir($handle))) {
-            if(is_dir(DOKU_INC.$themebase.'/'.$file)
-                && $file != "."
-                && $file != ".."
-                && $file != "repository"
-                && $file != "tmp"
-                && $file != ".svn"
-            ) {
-                $themes[] = $file;
-            }
-        }
-        closedir($handle);
-        sort($themes);
-
-        return array(
-            'themebase' => $themebase,
-            'themes'    => $themes
-        );
-
-    }
-
-    /**
-     * Print a toc preview
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     * @author Andreas Gohr <andi@splitbrain.org>
-     */
-    function print_toc($id) {
-        require_once(DOKU_INC.'inc/parser/xhtml.php');
-        $id = cleanID($id);
-        if(auth_quickaclcheck($id) < AUTH_READ) return '';
-
-        $meta = p_get_metadata($id);
-        $toc  = $meta['description']['tableofcontents'];
-
-        if(count($toc) > 1) {
-            //display ToC of two or more headings
-            $out = $this->render_toc($toc);
-        } else {
-            //display page abstract
-            $out = $this->render_abstract($id, $meta);
-        }
-        return $out;
-    }
-
-    /**
-     * Return the TOC rendered to XHTML
-     *
-     * @author Andreas Gohr <andi@splitbrain.org>
-     * @author Gerrit Uitslag <klapinklapin@gmail.com>
-     */
-    function render_toc($toc) {
-        global $lang;
-        $out = '<div class="tocheader">'.DOKU_LF;
-        $out .= $lang['toc'];
-        $out .= '</div>'.DOKU_LF;
-        $out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
-        $out .= html_buildlist($toc, 'toc', array($this, '_indexmenu_list_toc'), 'html_li_default', true);
-        $out .= '</div>'.DOKU_LF;
-        return $out;
-    }
-
-    /**
-     * Return the page abstract rendered to XHTML
-     */
-    function render_abstract($id, &$meta) {
-        $out = '<div class="tocheader">'.DOKU_LF;
-        $out .= '<a href="'.wl($id).'">';
-        $out .= ($meta['title']) ? htmlspecialchars($meta['title']) : htmlspecialchars(noNS($id));
-        $out .= '</a>'.DOKU_LF;
-        $out .= '</div>'.DOKU_LF;
-        if($meta['description']['abstract']) {
-            $out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
-            $out .= p_render('xhtml', p_get_instructions($meta['description']['abstract']), $info);
-            $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
-        }
-        return $out;
-    }
-
-    /**
-     * Callback for html_buildlist
-     */
-    function _indexmenu_list_toc($item) {
-        $id = cleanID($_REQUEST['id']);
-
-        if(isset($item['hid'])) {
-            $link = '#'.$item['hid'];
-        } else {
-            $link = $item['link'];
-        }
-
-        //prefix anchers with page id
-        if($link[0] == '#') {
-            $link = wl($id, $link, false, '');
-        }
-        return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
-    }
-
-    /**
-     * Print index nodes
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     * @author Andreas Gohr <andi@splitbrain.org>
-     * @author Rene Hadler <rene.hadler@iteas.at>
-     */
-    function print_index($ns) {
-        require_once(DOKU_PLUGIN.'indexmenu/syntax/indexmenu.php');
-        global $conf;
-        $idxm     = new syntax_plugin_indexmenu_indexmenu();
-        $ns       = $idxm->_parse_ns(rawurldecode($ns));
-        $level    = -1;
-        $max      = 0;
-        $data     = array();
-        $skipfile = array();
-        $skipns   = array();
-
-        if($_REQUEST['max'] > 0) {
-            $max   = $_REQUEST['max'];
-            $level = $max;
-        }
-        $nss         = ($_REQUEST['nss']) ? cleanID($_REQUEST['nss']) : '';
-        $idxm->sort  = $_REQUEST['sort'];
-        $idxm->msort = $_REQUEST['msort'];
-        $idxm->rsort = $_REQUEST['rsort'];
-        $idxm->nsort = $_REQUEST['nsort'];
-        $idxm->hsort = $_REQUEST['hsort'];
-        $fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
-
-        $skipf = utf8_decodeFN($_REQUEST['skipfile']);
-        $skipfile[] = $this->getConf('skip_file');
-        if(isset($skipf)) {
-            $index = 0;
-            if($skipf[1] == '+') {
-                $index = 1;
-            }
-            $skipfile[$index] = substr($skipf, 1);
-        }
-        $skipn = utf8_decodeFN($_REQUEST['skipns']);
-        $skipns[] = $this->getConf('skip_index');
-        if(isset($skipn)) {
-            $index = 0;
-            if($skipn[1] == '+') {
-                $index = 1;
-            }
-            $skipns[$index] = substr($skipn, 1);
-        }
-
-        $opts = array(
-            'level'         => $level,
-            'nons'          => $_REQUEST['nons'],
-            'nss'           => array(array($nss, 1)),
-            'max'           => $max,
-            'js'            => false,
-            'nopg'          => $_REQUEST['nopg'],
-            'skip_index'    => $skipns,
-            'skip_file'     => $skipfile,
-            'headpage'      => $idxm->getConf('headpage'),
-            'hide_headpage' => $idxm->getConf('hide_headpage')
-        );
-        if($idxm->sort || $idxm->msort || $idxm->rsort || $idxm->hsort) {
-            $idxm->_search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
-        } else {
-            search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
-        }
-
-        $out = '';
-        if($_REQUEST['nojs']) {
-            require_once(DOKU_INC.'inc/html.php');
-            $out_tmp = html_buildlist($data, 'idx', array($idxm, "_html_list_index"), "html_li_index");
-            $out .= preg_replace('/<ul class="idx">(.*)<\/ul>/s', "$1", $out_tmp);
-        } else {
-            $nodes = $idxm->_jsnodes($data, '', 0);
-            $out   = "ajxnodes = [";
-            $out .= rtrim($nodes[0], ",");
-            $out .= "];";
-        }
-        return $out;
-    }
+		/**
+		 * plugin should use this method to register its handlers with the dokuwiki's event controller
+		 *
+		 * @param Doku_Event_Handler $controller DokuWiki's event controller object.
+		 */
+		function register(Doku_Event_Handler $controller) {
+				if($this->getConf('only_admins')) $controller->register_hook('IO_WIKIPAGE_WRITE', 'BEFORE', $this, '_checkperm');
+				if($this->getConf('page_index') != '') $controller->register_hook('TPL_ACT_RENDER', 'BEFORE', $this, '_loadindex');
+				$controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, '_extendJSINFO');
+				$controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, '_purgecache');
+				if($this->getConf('show_sort')) $controller->register_hook('TPL_CONTENT_DISPLAY', 'BEFORE', $this, '_showsort');
+				$controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, '_ajax_call');
+		}
+
+		/**
+		 * Check if user has permission to insert indexmenu
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 *
+		 * @param Doku_Event $event
+		 * @param mixed      $param not defined
+		 */
+		function _checkperm(&$event, $param) {
+				global $INFO;
+				if(!$INFO['isadmin']) {
+						$event->data[0][1] = preg_replace("/{{indexmenu(|_n)>.+?}}/", "", $event->data[0][1]);
+				}
+		}
+
+		/**
+		 * Add additional info to $JSINFO
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 * @author Gerrit Uitslag <klapinklapin@gmail.com>
+		 *
+		 * @param Doku_Event $event
+		 * @param mixed      $param not defined
+		 */
+		function _extendJSINFO(&$event, $param) {
+				global $INFO, $JSINFO;
+				$JSINFO['isadmin'] = (int) $INFO['isadmin'];
+				$JSINFO['isauth']  = (int) $INFO['userinfo'];
+		}
+
+		/**
+		 * Check for pages changes and eventually purge cache.
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 *
+		 * @param Doku_Event $event
+		 * @param mixed      $param not defined
+		 */
+		function _purgecache(&$event, $param) {
+				global $ID;
+				global $conf;
+				/** @var cache_parser $cache */
+				$cache = &$event->data;
+
+				if(!isset($cache->page)) return;
+				//purge only xhtml cache
+				if($cache->mode != "xhtml") return;
+				//Check if it is an indexmenu page
+				if(!p_get_metadata($ID, 'indexmenu')) return;
+
+				$aclcache = $this->getConf('aclcache');
+				if($conf['useacl']) {
+						$newkey = false;
+						if($aclcache == 'user') {
+								//Cache per user
+								if($_SERVER['REMOTE_USER']) $newkey = $_SERVER['REMOTE_USER'];
+						} else if($aclcache == 'groups') {
+								//Cache per groups
+								global $INFO;
+								if($INFO['userinfo']['grps']) $newkey = implode('#', $INFO['userinfo']['grps']);
+						}
+						if($newkey) {
+								$cache->key .= "#".$newkey;
+								$cache->cache = getCacheName($cache->key, $cache->ext);
+						}
+				}
+				//Check if a page is more recent than purgefile.
+				if(@filemtime($cache->cache) < @filemtime($conf['cachedir'].'/purgefile')) {
+						$event->preventDefault();
+						$event->stopPropagation();
+						$event->result = false;
+				}
+		}
+
+		/**
+		 * Render a defined page as index.
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 *
+		 * @param Doku_Event $event
+		 * @param mixed      $param not defined
+		 */
+		function _loadindex(&$event, $param) {
+				if('index' != $event->data) return;
+				if(!file_exists(wikiFN($this->getConf('page_index')))) return;
+				global $lang;
+				print '<h1><a id="index" name="index">'.$lang['btn_index']."</a></h1>\n";
+				print p_wiki_xhtml($this->getConf('page_index'));
+				$event->preventDefault();
+				$event->stopPropagation();
+
+		}
+
+		/**
+		 * Display the indexmenu sort number.
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 *
+		 * @param Doku_Event $event
+		 * @param mixed      $param not defined
+		 */
+		function _showsort(&$event, $param) {
+				global $ID, $ACT, $INFO;
+				if($INFO['isadmin'] && $ACT == 'show') {
+						if($n = p_get_metadata($ID, 'indexmenu_n')) {
+								ptln('<div class="info">');
+								ptln($this->getLang('showsort').$n);
+								ptln('</div>');
+						}
+				}
+		}
+
+		/**
+		 * Handles ajax requests for indexmenu
+		 *
+		 * @param Doku_Event $event
+		 * @param mixed      $param not defined
+		 */
+		function _ajax_call(&$event, $param) {
+				if($event->data !== 'indexmenu') {
+						return;
+				}
+				//no other ajax call handlers needed
+				$event->stopPropagation();
+				$event->preventDefault();
+
+				switch($_REQUEST['req']) {
+						case 'local':
+								//list themes
+								header('Content-Type: application/json');
+
+								$data = $this->_getlocalThemes();
+
+								require_once DOKU_INC.'inc/JSON.php';
+								$json = new JSON();
+								echo ''.$json->encode($data).'';
+								break;
+
+						case 'toc':
+								//print toc preview
+								if(isset($_REQUEST['id'])) print $this->print_toc($_REQUEST['id']);
+								break;
+
+						case 'index':
+								//print index
+								if(isset($_REQUEST['idx'])) print $this->print_index($_REQUEST['idx']);
+								break;
+				}
+
+		}
+
+		/**
+		 * Print a list of local themes
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 * @author Gerrit Uitslag <klapinklapin@gmail.com>
+		 */
+		private function _getlocalThemes() {
+				$themebase = 'lib/plugins/indexmenu/images';
+
+				$handle = @opendir(DOKU_INC.$themebase);
+				$themes = array();
+				while(false !== ($file = readdir($handle))) {
+						if(is_dir(DOKU_INC.$themebase.'/'.$file)
+								&& $file != "."
+								&& $file != ".."
+								&& $file != "repository"
+								&& $file != "tmp"
+								&& $file != ".svn"
+						) {
+								$themes[] = $file;
+						}
+				}
+				closedir($handle);
+				sort($themes);
+
+				return array(
+						'themebase' => $themebase,
+						'themes'    => $themes
+				);
+
+		}
+
+		/**
+		 * Print a toc preview
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 * @author Andreas Gohr <andi@splitbrain.org>
+		 */
+		function print_toc($id) {
+				require_once(DOKU_INC.'inc/parser/xhtml.php');
+				$id = cleanID($id);
+				if(auth_quickaclcheck($id) < AUTH_READ) return '';
+
+				$meta = p_get_metadata($id);
+				$toc  = $meta['description']['tableofcontents'];
+
+				if(count($toc) > 1) {
+						//display ToC of two or more headings
+						$out = $this->render_toc($toc);
+				} else {
+						//display page abstract
+						$out = $this->render_abstract($id, $meta);
+				}
+				return $out;
+		}
+
+		/**
+		 * Return the TOC rendered to XHTML
+		 *
+		 * @author Andreas Gohr <andi@splitbrain.org>
+		 * @author Gerrit Uitslag <klapinklapin@gmail.com>
+		 */
+		function render_toc($toc) {
+				global $lang;
+				$out = '<div class="tocheader">'.DOKU_LF;
+				$out .= $lang['toc'];
+				$out .= '</div>'.DOKU_LF;
+				$out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
+				$out .= html_buildlist($toc, 'toc', array($this, '_indexmenu_list_toc'), 'html_li_default', true);
+				$out .= '</div>'.DOKU_LF;
+				return $out;
+		}
+
+		/**
+		 * Return the page abstract rendered to XHTML
+		 */
+		function render_abstract($id, &$meta) {
+				$out = '<div class="tocheader">'.DOKU_LF;
+				$out .= '<a href="'.wl($id).'">';
+				$out .= ($meta['title']) ? htmlspecialchars($meta['title']) : htmlspecialchars(noNS($id));
+				$out .= '</a>'.DOKU_LF;
+				$out .= '</div>'.DOKU_LF;
+				if($meta['description']['abstract']) {
+						$out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
+						$out .= p_render('xhtml', p_get_instructions($meta['description']['abstract']), $info);
+						$out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
+				}
+				return $out;
+		}
+
+		/**
+		 * Callback for html_buildlist
+		 */
+		function _indexmenu_list_toc($item) {
+				$id = cleanID($_REQUEST['id']);
+
+				if(isset($item['hid'])) {
+						$link = '#'.$item['hid'];
+				} else {
+						$link = $item['link'];
+				}
+
+				//prefix anchers with page id
+				if($link[0] == '#') {
+						$link = wl($id, $link, false, '');
+				}
+				return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
+		}
+
+		/**
+		 * Print index nodes
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 * @author Andreas Gohr <andi@splitbrain.org>
+		 * @author Rene Hadler <rene.hadler@iteas.at>
+		 */
+		function print_index($ns) {
+				require_once(DOKU_PLUGIN.'indexmenu/syntax/indexmenu.php');
+				global $conf;
+				$idxm     = new syntax_plugin_indexmenu_indexmenu();
+				$ns       = $idxm->_parse_ns(rawurldecode($ns));
+				$level    = -1;
+				$max      = 0;
+				$data     = array();
+				$skipfile = array();
+				$skipns   = array();
+				$maxcount = 0;
+
+				if($_REQUEST['max'] > 0) {
+						$max   = $_REQUEST['max'];
+						$level = $max;
+				}
+				$nss         = ($_REQUEST['nss']) ? cleanID($_REQUEST['nss']) : '';
+				$idxm->sort  = $_REQUEST['sort'];
+				$idxm->msort = $_REQUEST['msort'];
+				$idxm->rsort = $_REQUEST['rsort'];
+				$idxm->nsort = $_REQUEST['nsort'];
+				$idxm->hsort = $_REQUEST['hsort'];
+				$fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
+
+				$skipf = utf8_decodeFN($_REQUEST['skipfile']);
+				$skipfile[] = $this->getConf('skip_file');
+				if(isset($skipf)) {
+						$index = 0;
+						if($skipf[1] == '+') {
+								$index = 1;
+						}
+						$skipfile[$index] = substr($skipf, 1);
+				}
+				$skipn = utf8_decodeFN($_REQUEST['skipns']);
+				$skipns[] = $this->getConf('skip_index');
+				if(isset($skipn)) {
+						$index = 0;
+						if($skipn[1] == '+') {
+								$index = 1;
+						}
+						$skipns[$index] = substr($skipn, 1);
+				}
+
+				if($_REQUEST['maxcount'] > 0) {
+						$maxcount = $_REQUEST['maxcount'];
+				}
+
+				$opts = array(
+						'level'         => $level,
+						'nons'          => $_REQUEST['nons'],
+						'nss'           => array(array($nss, 1)),
+						'max'           => $max,
+						'js'            => false,
+						'nopg'          => $_REQUEST['nopg'],
+						'skip_index'    => $skipns,
+						'skip_file'     => $skipfile,
+						'headpage'      => $idxm->getConf('headpage'),
+						'hide_headpage' => $idxm->getConf('hide_headpage')
+				);
+				if($idxm->sort || $idxm->msort || $idxm->rsort || $idxm->hsort) {
+						$idxm->_search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
+				} else {
+						search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
+				}
+
+				if($maxcount > 0) {
+						// reduce items in array to maxcount, preserving keys
+						$data = array_slice($data, 0, $maxcount, true);
+				}
+
+				$out = '';
+				if($_REQUEST['nojs']) {
+						require_once(DOKU_INC.'inc/html.php');
+						$out_tmp = html_buildlist($data, 'idx', array($idxm, "_html_list_index"), "html_li_index");
+						$out .= preg_replace('/<ul class="idx">(.*)<\/ul>/s', "$1", $out_tmp);
+				} else {
+						$nodes = $idxm->_jsnodes($data, '', 0);
+						$out   = "ajxnodes = [";
+						$out .= rtrim($nodes[0], ",");
+						$out .= "];";
+				}
+				return $out;
+		}
 }
diff --git a/lang/de-informal/lang.php b/lang/de-informal/lang.php
index 8f88593..9fdca22 100644
--- a/lang/de-informal/lang.php
+++ b/lang/de-informal/lang.php
@@ -2,7 +2,7 @@
 
 /**
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * 
+ *
  * @author Thomas Templin <templin@gnuwhv.de>
  * @author Dana <dannax3@gmx.de>
  */
@@ -52,6 +52,7 @@
 $lang['js']['nons']            = 'Nur Seiten zeigen';
 $lang['js']['nopg']            = 'Nur Namensr&auml;ume zeigen';
 $lang['js']['max']             = 'Wieviele Ebenen sollen mit Ajax geholt werden, wenn ein Knoten ge&ouml;ffnet wird? Au&szlig;erdem: wieviele Unterebenen unterhalb dieser Ebene sollen mit Ajax geholt werden anstatt w&auml;hrend des Seitenaufbaus?';
+$lang['js']['maxcount']        = 'Wieviele Seiten sollen angezeigt werden?';
 $lang['js']['maxjs']           = 'Wieviele Ebenen sollen im Browser statt auf dem Server gerendert werden, wenn ein Knoten ge&ouml;ffnet wird?';
 $lang['js']['id']              = 'Benutzerspezifische Cookie-ID f&uml;r dieses indexmenu';
 $lang['js']['insert']          = 'Indexmenu einf&uml;gen';
diff --git a/lang/de/lang.php b/lang/de/lang.php
index 0c4842d..799b38f 100644
--- a/lang/de/lang.php
+++ b/lang/de/lang.php
@@ -2,7 +2,7 @@
 
 /**
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * 
+ *
  * @author Fabian Pfannes <fpfannes@web.de>
  * @author Dennis Plöger <develop@dieploegers.de>
  * @author Kilian Maier <kilian.maier1@web.de>
@@ -55,6 +55,7 @@
 $lang['js']['nons']            = 'Nur Seiten zeigen';
 $lang['js']['nopg']            = 'Nur Namensräume zeigen';
 $lang['js']['max']             = 'Wieviele Ebenen sollen mit AJAX geholt werden, wenn ein Knoten geöffnet wird? Außerdem: wieviele Unterebenen unterhalb dieser Ebene sollen mit AJAX geholt werden anstatt während des Seitenaufbaus?';
+$lang['js']['maxcount']        = 'Wieviele Seiten sollen angezeigt werden?';
 $lang['js']['maxjs']           = 'Wieviele Ebenen sollen im Browser statt auf dem Server gerendert werden, wenn ein Knoten geöffnet wird?';
 $lang['js']['id']              = 'Benutzerspezifische Cookie-ID für dieses Indexmenu';
 $lang['js']['insert']          = 'Indexmenu einfügen';
diff --git a/lang/en/lang.php b/lang/en/lang.php
index 4735439..856c1dd 100644
--- a/lang/en/lang.php
+++ b/lang/en/lang.php
@@ -53,6 +53,7 @@
 $lang['js']['nons']            = 'Show only pages';
 $lang['js']['nopg']            = 'Show only namespaces';
 $lang['js']['max']             = 'How many levels to render with ajax when a node is opened. Additional are how many sublevels below that level are retrieved with AJAX instead of in one go. ';
+$lang['js']['maxcount']        = 'How many pages to show?';
 $lang['js']['maxjs']           = 'How many levels to render in the client browser when a node is opened';
 $lang['js']['id']              = 'Self defined cookie id for this indexmenu';
 $lang['js']['insert']          = 'Insert indexmenu';
diff --git a/syntax/indexmenu.php b/syntax/indexmenu.php
index 4aa5fd8..4ac4ff3 100644
--- a/syntax/indexmenu.php
+++ b/syntax/indexmenu.php
@@ -18,951 +18,959 @@
  */
 class syntax_plugin_indexmenu_indexmenu extends DokuWiki_Syntax_Plugin {
 
-    var $sort = false;
-    var $msort = false;
-    var $rsort = false;
-    var $nsort = false;
-    var $hsort = false;
-
-    /**
-     * What kind of syntax are we?
-     */
-    public function getType() {
-        return 'substition';
-    }
-
-    /**
-     * Behavior regarding the paragraph
-     */
-    public function getPType() {
-        return 'block';
-    }
-
-    /**
-     * Where to sort in?
-     */
-    public function getSort() {
-        return 138;
-    }
-
-    /**
-     * Connect pattern to lexer
-     */
-    public function connectTo($mode) {
-        $this->Lexer->addSpecialPattern('{{indexmenu>.+?}}', $mode, 'plugin_indexmenu_indexmenu');
-    }
-
-    /**
-     * Handler to prepare matched data for the rendering process
-     *
-     * @param   string       $match   The text matched by the patterns
-     * @param   int          $state   The lexer state for the match
-     * @param   int          $pos     The character position of the matched text
-     * @param   Doku_Handler $handler The Doku_Handler object
-     * @return  array Return an array with all data you want to use in render
-     */
-    public function handle($match, $state, $pos, Doku_Handler $handler) {
-        $theme    = 'default';
-        $level    = -1;
-        $gen_id   = 'random';
-        $maxjs    = 0;
-        $max      = 0;
-        $jsajax   = '';
-        $nss      = array();
-        $skipns   = array();
-        $skipfile = array();
-
-        $defaultsstr = $this->getConf('defaultoptions');
-        $defaults = explode(' ', $defaultsstr);
-
-        $match = substr($match, 12, -2);
-        //split namespace,level,theme
-        list($nsstr, $optsstr) = explode('|', $match, 2);
-        //split options
-        $opts = explode(' ', $optsstr);
-
-        //Context option
-        $context = $this->hasOption($defaults, $opts, 'context');
-
-        //split optional namespaces
-        $nss_temp = preg_split("/ /u", $nsstr, -1, PREG_SPLIT_NO_EMPTY);
-        //Array optional namespace => level
-        for($i = 1; $i < count($nss_temp); $i++) {
-            $nsss = preg_split("/#/u", $nss_temp[$i]);
-            if(!$context) {
-                $nsss[0] = $this->_parse_ns($nsss[0]);
-            }
-            $nss[] = array($nsss[0], (is_numeric($nsss[1])) ? $nsss[1] : $level);
-        }
-        //split main requested namespace
-        if(preg_match('/(.*)#(\S*)/u', $nss_temp[0], $ns_opt)) {
-            //split level
-            $ns = $ns_opt[1];
-            if(is_numeric($ns_opt[2])) $level = $ns_opt[2];
-        } else {
-            $ns = $nss_temp[0];
-        }
-        if(!$context) {
-            $ns = $this->_parse_ns($ns);
-        }
-
-        //nocookie option (disable for uncached pages)
-        $nocookie = $context || $this->hasOption($defaults, $opts, 'nocookie');
-        //noscroll option
-        $noscroll = $this->hasOption($defaults, $opts, 'noscroll');
-        //Open at current namespace option
-        $navbar = $this->hasOption($defaults, $opts, 'navbar');
-        //no namespaces  options
-        $nons = $this->hasOption($defaults, $opts, 'nons');
-        //no pages option
-        $nopg = $this->hasOption($defaults, $opts, 'nopg');
-        //disable toc preview
-        $notoc = $this->hasOption($defaults, $opts, 'notoc');
-        //disable the right context menu
-        $nomenu = $this->hasOption($defaults, $opts, 'nomenu');
-        //Main sort method
-        $tsort = $this->hasOption($defaults, $opts, 'tsort');
-        $dsort = $this->hasOption($defaults, $opts, 'dsort');
-        if($tsort) {
-            $sort = 't';
-        } elseif($dsort) {
-            $sort = 'd';
-        } else $sort = 0;
-        //sort directories in the same way as files
-        $nsort = $this->hasOption($defaults, $opts, 'nsort');
-        //sort headpages up
-        $hsort = $this->hasOption($defaults, $opts, 'hsort');
-        //Metadata sort method
-        if($msort = $this->hasOption($defaults, $opts, 'msort')) {
-            $msort = 'indexmenu_n';
-        } elseif($value = $this->getOption($defaultsstr, $optsstr, '/msort#(\S+)/u')) {
-            $msort = str_replace(':', ' ', $value);
-        }
-        //reverse sort
-        $rsort = $this->hasOption($defaults, $opts, 'rsort');
-
-        if($sort) $jsajax .= "&sort=" . $sort;
-        if($msort) $jsajax .= "&msort=" . $msort;
-        if($rsort) $jsajax .= "&rsort=1";
-        if($nsort) $jsajax .= "&nsort=1";
-        if($hsort) $jsajax .= "&hsort=1";
-        if($nopg) $jsajax .= "&nopg=1";
-
-        //javascript option
-        $dir = '';
-        //check defaults for js,js#theme, #theme
-        if(!$js = in_array('js', $defaults)) {
-            if(preg_match('/(?:^|\s)(js)?#(\S*)/u', $defaultsstr, $match_djs) > 0) {
-                if(!empty($match_djs[1])) $js = true;
-                if(isset($match_djs[2])) $dir = $match_djs[2];
-            }
-        }
-        //check opts for nojs,#theme or js,js#theme
-        if($js) {
-            if(in_array('nojs', $opts)) {
-                $js = false;
-            } else {
-                if(preg_match('/(?:^|\s)(?:js)?#(\S*)/u', $optsstr, $match_ojs) > 0) {
-                    if(isset($match_ojs[1])) $dir = $match_ojs[1];
-                }
-            }
-        } else {
-            if($js = in_array('js', $opts)) {
-                //use theme from the defaults
-            } else {
-                if(preg_match('/(?:^|\s)js#(\S*)/u', $optsstr, $match_ojs) > 0) {
-                    $js = true;
-                    if(isset($match_ojs[1])) $dir = $match_ojs[1];
-                }
-            }
-        }
-
-        if($js) {
-            //exist theme?
-            if(!empty($dir) && is_dir(INDEXMENU_IMG_ABSDIR . "/" . $dir)) {
-                $theme = $dir;
-            }
-
-            //id generation method
-            $gen_id = $this->getOption($defaultsstr, $optsstr, '/id#(\S+)/u');
-
-            //max option
-            if($maxmatches = $this->getOption($defaultsstr, $optsstr, '/max#(\d+)($|\s+|#(\d+))/u', true)) {
-                $max = $maxmatches[1];
-                if($maxmatches[3]) {
-                    $jsajax .= "&max=" . $maxmatches[3];
-                }
-                //disable cookie to avoid javascript errors
-                $nocookie = true;
-            } else {
-                $max = 0;
-            }
-
-            //max js option
-            if($maxjsvalue = $this->getOption($defaultsstr, $optsstr, '/maxjs#(\d+)/u')) {
-                $maxjs = $maxjsvalue;
-            }
-        }
-        if(is_numeric($gen_id)) {
-            $identifier = $gen_id;
-        } elseif($gen_id == 'ns') {
-            $identifier = sprintf("%u", crc32($ns));
-        } else {
-            $identifier = uniqid(rand());
-        }
-
-        //skip namespaces in index
-        $skipns[] = $this->getConf('skip_index');
-        if(preg_match('/skipns[\+=](\S+)/u', $optsstr, $sns) > 0) {
-            //first sign is: '+' (parallel to conf) or '=' (replace conf)
-            $action = $sns[0][6];
-            $index = 0;
-            if($action == '+') {
-                $index = 1;
-            }
-            $skipns[$index] = $sns[1];
-            $jsajax .= "&skipns=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sns[1]);
-        }
-        //skip file
-        $skipfile[] = $this->getConf('skip_file');
-        if(preg_match('/skipfile[\+=](\S+)/u', $optsstr, $sf) > 0) {
-            //first sign is: '+' (parallel to conf) or '=' (replace conf)
-            $action = $sf[0][8];
-            $index = 0;
-            if($action == '+') {
-                $index = 1;
-            }
-            $skipfile[$index] = $sf[1];
-            $jsajax .= "&skipfile=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sf[1]);
-        }
-
-        //js options
-        $js_opts = compact('theme', 'identifier', 'nocookie', 'navbar', 'noscroll', 'maxjs', 'notoc', 'jsajax', 'context', 'nomenu');
-
-        return array(
-            $ns,
-            $js_opts,
-            $sort,
-            $msort,
-            $rsort,
-            $nsort,
-            array(
-                'level'         => $level,
-                'nons'          => $nons,
-                'nopg'          => $nopg,
-                'nss'           => $nss,
-                'max'           => $max,
-                'js'            => $js,
-                'skip_index'    => $skipns,
-                'skip_file'     => $skipfile,
-                'headpage'      => $this->getConf('headpage'),
-                'hide_headpage' => $this->getConf('hide_headpage')
-            ),
-            $hsort
-        );
-    }
-
-
-    /**
-     * Looks if the default options and syntax options has the requested option
-     *
-     * @param array  $defaultsopts array of default options
-     * @param array  $opts         array of options provided via syntax
-     * @param string $optionname   name of requested option
-     * @return bool has optionname?
-     */
-    private function hasOption($defaultsopts, $opts, $optionname) {
-        $name = $optionname;
-        if(substr($optionname, 0, 2) == 'no') {
-            $inversename = substr($optionname, 2);
-        } else {
-            $inversename = 'no' . $optionname;
-        }
-
-        if(in_array($name, $defaultsopts)) {
-            return !in_array($inversename, $opts);
-        } else {
-            return in_array($name, $opts);
-        }
-    }
-
-    /**
-     * Looks for the value of the requested option in the default options and syntax options
-     *
-     * @param string $defaultsstr     default options string
-     * @param string $optsstr         syntax options string
-     * @param string $matchpattern    pattern to search for
-     * @param bool   $multiplematches if multiple returns array, otherwise the first match
-     * @return string|array
-     */
-    private function getOption($defaultsstr, $optsstr, $matchpattern, $multiplematches = false) {
-        if(preg_match($matchpattern, $optsstr, $match_o) > 0) {
-            if($multiplematches) {
-                return $match_o;
-            } else {
-                return $match_o[1];
-            }
-        } elseif(preg_match($matchpattern, $defaultsstr, $match_d) > 0) {
-            if($multiplematches) {
-                return $match_d;
-            } else {
-                return $match_d[1];
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Handles the actual output creation.
-     *
-     * @param   $mode   string          output format being rendered
-     * @param   $renderer Doku_Renderer the current renderer object
-     * @param   $data     array         data created by handler()
-     * @return  boolean                 rendered correctly?
-     */
-    public function render($mode, Doku_Renderer $renderer, $data) {
-        global $ACT;
-        global $conf;
-        global $INFO;
-        if($mode == 'xhtml') {
-            /** @var Doku_Renderer_xhtml $renderer */
-            if($ACT == 'preview') {
-                //Check user permission to display indexmenu in a preview page
-                if($this->getConf('only_admins') &&
-                    $conf['useacl'] &&
-                    $INFO['perm'] < AUTH_ADMIN
-                )
-                    return false;
-                //disable cookies
-                $data[1]['nocookie'] = true;
-            }
-            //Navbar with nojs
-            if($data[1]['navbar'] && !$data[6]['js']) {
-                if(!isset($data[0])) $data[0] = '..';
-                $data[6]['nss'][]        = array(getNS($INFO['id']));
-                $renderer->info['cache'] = FALSE;
-            }
-
-            if($data[1]['context']) {
-                //resolve current id relative namespaces
-                $data[0] = $this->_parse_ns($data[0], $INFO['id']);
-                foreach($data[6]['nss'] as $key=> $value) {
-                    $data[6]['nss'][$key][0] = $this->_parse_ns($value[0], $INFO['id']);
-                }
-                $renderer->info['cache'] = FALSE;
-            }
-            $n = $this->_indexmenu($data);
-            if(!@$n) {
-                $n = $this->getConf('empty_msg');
-                $n = str_replace('{{ns}}', cleanID($data[0]), $n);
-                $n = p_render('xhtml', p_get_instructions($n), $info);
-            }
-            $renderer->doc .= $n;
-            return true;
-        } else if($mode == 'metadata') {
-            /** @var Doku_Renderer_metadata $renderer */
-            if(!($data[1]['navbar'] && !$data[6]['js']) && !$data[1]['context']) {
-                //this is an indexmenu page that needs the PARSER_CACHE_USE event trigger;
-                $renderer->meta['indexmenu'] = TRUE;
-            }
-            $renderer->doc .= ((empty($data[0])) ? $conf['title'] : nons($data[0]))." index\n\n";
-            unset($renderer->persistent['indexmenu']);
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * Return the index
-     *
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     *
-     * This function is a simple hack of Dokuwiki @see html_index($ns)
-     * @author Andreas Gohr <andi@splitbrain.org>
-     *
-     * @param array $myns the options for indexmenu
-     * @return bool|string return html for a nojs index and when enabled the js rendered index, otherwise false
-     */
-    private function _indexmenu($myns) {
-        global $conf;
-        $ns          = $myns[0];
-        $js_opts     = $myns[1]; //theme, identifier, nocookie, navbar, noscroll, maxjs, notoc, jsajax, context, nomenu
-        $this->sort  = $myns[2];
-        $this->msort = $myns[3];
-        $this->rsort = $myns[4];
-        $this->nsort = $myns[5];
-        $opts        = $myns[6]; //level, nons, nopg, nss, max, js, skip_index, skip_file, headpage, hide_headpage
-        $this->hsort = $myns[7];
-        $data        = array();
-        $js_name     = "indexmenu_".$js_opts['identifier'];
-        $fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
-        if($this->sort || $this->msort || $this->rsort || $this->hsort) {
-            $this->_search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
-        } else {
-            search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
-        }
-        if(!$data) return false;
-
-        // javascript index
-        $output_tmp = "";
-        if($opts['js']) {
-            $ns         = str_replace('/', ':', $ns);
-            $output_tmp = $this->_jstree($data, $ns, $js_opts, $js_name, $opts['max']);
-
-            //remove unwanted nodes from standard index
-            $this->_clean_data($data);
-        }
-
-        // Nojs dokuwiki index
-        //    extra div needed when index is first element in sidebar of dokuwiki template, template uses this to toggle sidebar
-        //    the toggle interacts with hide needed for js option.
-        $output = "\n";
-        $output .= '<div><div id="nojs_'.$js_name.'" data-jsajax="'.utf8_encodeFN($js_opts['jsajax']).'" class="indexmenu_nojs">'."\n";
-        $output .= html_buildlist($data, 'idx', array($this, "_html_list_index"), "html_li_index");
-        $output .= "</div></div>\n";
-        $output .= $output_tmp;
-        return $output;
-    }
-
-    /**
-     * Build the browsable index of pages using javascript
-     *
-     * @author  Samuele Tognini <samuele@samuele.netsons.org>
-     * @author  Rene Hadler
-     *
-     * @param array  $data    array with items of the tree
-     * @param string $ns      requested namespace
-     * @param array  $js_opts options for javascript renderer
-     * @param string $js_name identifier for this index
-     * @param int    $max     the node at $max level will retrieve all its child nodes through the AJAX mechanism
-     * @return bool|string returns inline javascript or false
-     */
-    private function _jstree($data, $ns, $js_opts, $js_name, $max) {
-        global $conf;
-        $hns = false;
-        if(empty($data)) return false;
-
-        //Render requested ns as root
-        $headpage = $this->getConf('headpage');
-        //if rootnamespace and headpage, then add startpage as headpage - TODO seems not logic, when desired use $conf[headpage]=:start: ??
-        if(empty($ns) && !empty($headpage)) $headpage .= ','.$conf['start'];
-        $title = $this->_getTitle($ns, $headpage, $hns);
-        if(empty($title)) {
-            if(empty($ns)){
-                $title = htmlspecialchars($conf['title'], ENT_QUOTES);
-            } else{
-                $title = $ns;
-            }
-        }
-        // inline javascript
-        $out = "<script type='text/javascript' charset='utf-8'>\n";
-        $out .= "<!--//--><![CDATA[//><!--\n";
-        $out .= "var $js_name = new dTree('".$js_name."','".$js_opts['theme']."');\n";
-        //javascript config options
-        $sepchar = idfilter(':', false);
-        $out .= "$js_name.config.urlbase='".substr(wl(":"), 0, -1)."';\n";
-        $out .= "$js_name.config.sepchar='".$sepchar."';\n";
-        if($js_opts['notoc'])          $out .= "$js_name.config.toc=false;\n";
-        if($js_opts['nocookie'])       $out .= "$js_name.config.useCookies=false;\n";
-        if($js_opts['noscroll'])       $out .= "$js_name.config.scroll=false;\n";
-        if($js_opts['maxjs'] > 0)      $out .= "$js_name.config.maxjs=".$js_opts['maxjs'].";\n";
-        if(!empty($js_opts['jsajax'])) $out .= "$js_name.config.jsajax='".utf8_encodeFN($js_opts['jsajax'])."';\n";
-        //add root node
-        $json = new JSON();
-        $out .= $js_name.".add('".idfilter(cleanID($ns), false)."',0,-1,".$json->encode($title);
-        if($hns) $out .= ",'".idfilter(cleanID($hns), false)."'";
-        $out .= ");\n";
-        //add nodes
-        $anodes = $this->_jsnodes($data, $js_name);
-        $out .= $anodes[0];
-        //write to document
-        $out .= "document.write(".$js_name.");\n";
-        //initialize index
-        $out .= "jQuery(function(){".$js_name.".init(";
-        $out .= (int) is_file(INDEXMENU_IMG_ABSDIR.'/'.$js_opts['theme'].'/style.css').",";
-        $out .= (int) $js_opts['nocookie'].",";
-        $out .= '"'.$anodes[1].'",';
-        $out .= (int) $js_opts['navbar'].",";
-        $out .= (int) $max;
-        if($js_opts['nomenu']) $out .= ",1";
-        $out .= ");});\n";
-
-        $out .= "//--><!]]>\n";
-        $out .= "</script>\n";
-        return $out;
-    }
-
-    /**
-     * Return array of javascript nodes and nodes to open.
-     *
-     * @author  Samuele Tognini <samuele@samuele.netsons.org>
-     * @param array  $data    array with items of the tree
-     * @param string $js_name identifier for this index
-     * @param int    $noajax  return as inline js (=1) or array for ajax response (=0)
-     * @return array|bool returns array with
-     *     - a string of the javascript nodes
-     *     - and a string of space separated numbers of the opened nodes
-     *    or false when no data provided
-     */
-    public function _jsnodes($data, $js_name, $noajax = 1) {
-        if(empty($data)) return false;
-        //Array of nodes to check
-        $q = array('0');
-        //Current open node
-        $node  = 0;
-        $out   = '';
-        $extra = '';
-        if($noajax) {
-            $jscmd = $js_name.".add";
-            $separator   = ";\n";
-        } else {
-            $jscmd = "new Array ";
-            $separator   = ",";
-        }
-        $json = new JSON();
-        foreach($data as $i=> $item) {
-            $i++;
-            //Remove already processed nodes (greater level = lower level)
-            while($item['level'] <= $data[end($q) - 1]['level']) {
-                array_pop($q);
-            }
-
-            //till i found its father node
-            if($item['level'] == 1) {
-                //root node
-                $father = '0';
-            } else {
-                //Father node
-                $father = end($q);
-            }
-            //add node and its options
-            if($item['type'] == 'd') {
-                //Search the lowest open node of a tree branch in order to open it.
-                if($item['open']) ($item['level'] < $data[$node]['level']) ? $node = $i : $extra .= "$i ";
-                //insert node in last position
-                array_push($q, $i);
-            }
-            $out .= $jscmd."('".idfilter($item['id'], false)."',$i,".$father.",".$json->encode($item['title']);
-            //hns
-            ($item['hns']) ? $out .= ",'".idfilter($item['hns'], false)."'" : $out .= ",0";
-            ($item['type'] == 'd' || $item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
-            //MAX option
-            ($item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
-            $out .= ")".$separator;
-        }
-        $extra = rtrim($extra, ' ');
-        return array($out, $extra);
-    }
-
-    /**
-     * Get namespace title, checking for headpages
-     *
-     * @author  Samuele Tognini <samuele@samuele.netsons.org>
-     * @param string $ns namespace
-     * @param string $headpage commaseparated headpages options and headpages
-     * @param string $hns reference pageid of headpage, false when not existing
-     * @return string when headpage & heading on: title of headpage, otherwise: namespace name
-     */
-    private function _getTitle($ns, $headpage, &$hns) {
-        global $conf;
-        $hns   = false;
-        $title = noNS($ns);
-        if(empty($headpage)) return $title;
-        $ahp = explode(",", $headpage);
-        foreach($ahp as $hp) {
-            switch($hp) {
-                case ":inside:":
-                    $page = $ns.":".noNS($ns);
-                    break;
-                case ":same:":
-                    $page = $ns;
-                    break;
-                //it's an inside start
-                case ":start:":
-                    $page = ltrim($ns.":".$conf['start'], ":");
-                    break;
-                //inside pages
-                default:
-                    $page = $ns.":".$hp;
-            }
-            //check headpage
-            if(@file_exists(wikiFN($page)) && auth_quickaclcheck($page) >= AUTH_READ) {
-                if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
-                    $title_tmp = p_get_first_heading($page, FALSE);
-                    if(!is_null($title_tmp)) $title = $title_tmp;
-                }
-                $title = htmlspecialchars($title, ENT_QUOTES);
-                $hns   = $page;
-                //headpage found, exit for
-                break;
-            }
-        }
-        return $title;
-    }
-
-    /**
-     * Parse namespace request
-     *
-     * @author  Samuele Tognini <samuele@samuele.netsons.org>
-     * @param string $ns namespaceid
-     * @param bool   $id page id to resolve $ns relative to.
-     * @return string id of namespace
-     */
-    public function _parse_ns($ns, $id = FALSE) {
-        if(!$id) {
-            global $ID;
-            $id = $ID;
-        }
-        //Just for old reelases compatibility
-        if(empty($ns) || $ns == '..') $ns = ":..";
-        return resolve_id(getNS($id), $ns);
-    }
-
-    /**
-     * Clean index data from unwanted nodes in nojs mode.
-     *
-     * @author  Samuele Tognini <samuele@samuele.netsons.org>
-     * @param array $data nodes of the tree
-     * @return void
-     */
-    private function _clean_data(&$data) {
-        foreach($data as $i=> $item) {
-            //closed node
-            if($item['type'] == "d" && !$item['open']) {
-                $a     = $i + 1;
-                $level = $data[$i]['level'];
-                //search and remove every lower and closed nodes
-                while($data[$a]['level'] > $level && !$data[$a]['open']) {
-                    unset($data[$a]);
-                    $a++;
-                }
-            }
-        }
-    }
-
-    /**
-     * Callback that adds an item of namespace/page to the browsable index, if it fits in the specified options
-     *
-     * $opts['skip_index'] string regexp matching namespaceids to skip
-     * $opts['skip_file']  string regexp matching pageids to skip
-     * $opts['headpage']   string headpages options or pageids
-     * $opts['level']      int    desired depth of main namespace, -1 = all levels
-     * $opts['nss']        array with entries: array(namespaceid,level) specifying namespaces with their own level
-     * $opts['nons']       bool   exclude namespace nodes
-     * $opts['max']        int    If initially closed, the node at max level will retrieve all its child nodes through the AJAX mechanism
-     * $opts['nopg']       bool   exclude page nodes
-     * $opts['hide_headpage'] int don't hide (0) or hide (1)
-     * $opts['js']         bool   use js-render
-     *
-     * @author  Andreas Gohr <andi@splitbrain.org>
-     * modified by Samuele Tognini <samuele@samuele.netsons.org>
-     * @param array  $data Already collected nodes
-     * @param string $base Where to start the search, usually this is $conf['datadir']
-     * @param string $file Current file or directory relative to $base
-     * @param string $type Type either 'd' for directory or 'f' for file
-     * @param int    $lvl  Current recursion depht
-     * @param array  $opts Option array as given to search(), see above.
-     * @return bool if this directory should be traversed (true) or not (false)
-     */
-    public function _search_index(&$data, $base, $file, $type, $lvl, $opts) {
-        global $conf;
-        $hns        = false;
-        $isopen     = false;
-        $title      = null;
-        $skip_index = $opts['skip_index'];
-        $skip_file  = $opts['skip_file'];
-        $headpage   = $opts['headpage'];
-        $id         = pathID($file);
-        if($type == 'd') {
-            // Skip folders in plugin conf
-            foreach($skip_index as $skipi) {
-                if(!empty($skipi) && preg_match($skipi, $id))
-                    return false;
-            }
-            //check ACL (for sneaky_index namespaces too).
-            if($conf['sneaky_index'] && auth_quickaclcheck($id.':') < AUTH_READ) return false;
-            //Open requested level
-            if($opts['level'] > $lvl || $opts['level'] == -1) $isopen = true;
-            //Search optional namespaces
-            if(!empty($opts['nss'])) {
-                $nss = $opts['nss'];
-                for($a = 0; $a < count($nss); $a++) {
-                    if(preg_match("/^".$id."($|:.+)/i", $nss[$a][0], $match)) {
-                        //It contains an optional namespace
-                        $isopen = true;
-                    } elseif(preg_match("/^".$nss[$a][0]."(:.*)/i", $id, $match)) {
-                        //It's inside an optional namespace
-                        if($nss[$a][1] == -1 || substr_count($match[1], ":") < $nss[$a][1]) {
-                            $isopen = true;
-                        } else {
-                            $isopen = false;
-                        }
-                    }
-                }
-            }
-            if($opts['nons']) {
-                return $isopen;
-            } elseif($opts['max'] > 0 && !$isopen && $lvl >= $opts['max']) {
-                $isopen = false;
-                //Stop recursive searching
-                $return = false;
-                //change type
-                $type = "l";
-            } elseif($opts['js']) {
-                $return = true;
-            } else {
-                $return = $isopen;
-            }
-            //Set title and headpage
-            $title = $this->_getTitle($id, $headpage, $hns);
-            //link namespace nodes to start pages when excluding page nodes
-            if(!$hns && $opts['nopg']) $hns = $id.":".$conf['start'];
-        } else {
-            //Nopg.Dont show pages
-            if($opts['nopg']) return false;
-            $return = true;
-            //Nons.Set all pages at first level
-            if($opts['nons']) $lvl = 1;
-            //don't add
-            if(substr($file, -4) != '.txt') return false;
-            //check hiddens and acl
-            if(isHiddenPage($id) || auth_quickaclcheck($id) < AUTH_READ) return false;
-            //Skip files in plugin conf
-            foreach($skip_file as $skipf) {
-                if(!empty($skipf) && preg_match($skipf, $id))
-                    return false;
-            }
-            //Skip headpages to hide
-            if(!$opts['nons'] && !empty($headpage) && $opts['hide_headpage']) {
-                //start page is in root
-                if($id == $conf['start']) return false;
-                $ahp = explode(",", $headpage);
-                foreach($ahp as $hp) {
-                    switch($hp) {
-                        case ":inside:":
-                            if(noNS($id) == noNS(getNS($id))) return false;
-                            break;
-                        case ":same:":
-                            if(@is_dir(dirname(wikiFN($id))."/".utf8_encodeFN(noNS($id)))) return false;
-                            break;
-                        //it' s an inside start
-                        case ":start:":
-                            if(noNS($id) == $conf['start']) return false;
-                            break;
-                        default:
-                            if(noNS($id) == cleanID($hp)) return false;
-                    }
-                }
-            }
-
-            //Set title
-            if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
-                $title = p_get_first_heading($id, FALSE);
-            }
-            if(is_null($title)) $title = noNS($id);
-            $title = htmlspecialchars($title, ENT_QUOTES);
-        }
-
-        $item         = array(
-            'id'     => $id,
-            'type'   => $type,
-            'level'  => $lvl,
-            'open'   => $isopen,
-            'title'  => $title,
-            'hns'    => $hns,
-            'file'   => $file,
-            'return' => $return
-        );
-        $item['sort'] = $this->_setorder($item);
-        $data[]       = $item;
-        return $return;
-    }
-
-    /**
-     * Callback Index item formatter
-     *
-     * User function for @see html_buildlist()
-     *
-     * @author Andreas Gohr <andi@splitbrain.org>
-     * @author Samuele Tognini <samuele@samuele.netsons.org>
-     * @author Rik Blok
-     *
-     * @param array $item item described by array with at least the entries
-     *          - id    page id/namespace id
-     *          - type  'd', 'l'(directory which is not yet opened) or 'f'
-     *          - open  is node open
-     *          - title title of link
-     *          - hns   page id of headpage of the namespace or false
-     * @return string html of the content of a list item
-     */
-    public function _html_list_index($item) {
-        global $INFO;
-        $ret = '';
-
-        //namespace
-        if($item['type'] == 'd' || $item['type'] == 'l') {
-            $markCurrentPage = false;
-
-            $link = $item['id'];
-            $more = 'idx='.$item['id'];
-            //namespace link
-            if($item['hns']) {
-                $link  = $item['hns'];
-                $tagid = "indexmenu_idx_head";
-                $more  = '';
-                //current page is shown?
-                $markCurrentPage = $this->getConf('hide_headpage') && $item['hns'] == $INFO['id'];
-            } else {
-                //namespace without headpage
-                $tagid = "indexmenu_idx";
-                if($item['open']) $tagid .= ' open';
-            }
-
-            if($markCurrentPage) $ret .= '<span class="curid">';
-            $ret .= '<a href="'.wl($link, $more).'" class="'.$tagid.'">';
-            $ret .= $item['title'];
-            $ret .= '</a>';
-            if($markCurrentPage) $ret .= '</span>';
-        } else {
-            //page link
-            $ret .= html_wikilink(':'.$item['id']);
-        }
-        return $ret;
-    }
-
-    /**
-     * callback that recurse directory
-     *
-     * This function recurses into a given base directory
-     * and calls the supplied function for each file and directory
-     *
-     * Similar to search() of inc/search.php, but has extended sorting options
-     *
-     * @param   array     $data The results of the search are stored here
-     * @param   string    $base Where to start the search
-     * @param   callback  $func Callback (function name or array with object,method)
-     * @param   array     $opts List of indexmenu options
-     * @param   string    $dir  Current directory beyond $base
-     * @param   int       $lvl  Recursion Level
-     *
-     * @author  Andreas Gohr <andi@splitbrain.org>
-     * @author  modified by Samuele Tognini <samuele@samuele.netsons.org>
-     */
-    public function _search(&$data, $base, $func, $opts, $dir = '', $lvl = 1) {
-        $dirs      = array();
-        $files     = array();
-        $files_tmp = array();
-        $dirs_tmp  = array();
-        $count = count($data);
-
-        //read in directories and files
-        $dh = @opendir($base.'/'.$dir);
-        if(!$dh) return;
-        while(($file = readdir($dh)) !== false) {
-            //skip hidden files and upper dirs
-            if(preg_match('/^[\._]/', $file)) continue;
-            if(is_dir($base.'/'.$dir.'/'.$file)) {
-                $dirs[] = $dir.'/'.$file;
-                continue;
-            }
-            $files[] = $dir.'/'.$file;
-        }
-        closedir($dh);
-
-        //Collect and sort dirs
-        if($this->nsort) {
-            //collect the wanted directories in dirs_tmp
-            foreach($dirs as $dir) {
-                call_user_func_array($func, array(&$dirs_tmp, $base, $dir, 'd', $lvl, $opts));
-            }
-            //sort directories
-            usort($dirs_tmp, array($this, "_cmp"));
-            //add and search each directory
-            foreach($dirs_tmp as $dir) {
-                $data[] = $dir;
-                if($dir['return']) {
-                    $this->_search($data, $base, $func, $opts, $dir['file'], $lvl + 1);
-                }
-            }
-        } else {
-            //sort by page name
-            sort($dirs);
-            //collect directories
-            foreach($dirs as $dir) {
-                if(call_user_func_array($func, array(&$data, $base, $dir, 'd', $lvl, $opts))) {
-                    $this->_search($data, $base, $func, $opts, $dir, $lvl + 1);
-                }
-            }
-        }
-
-        //Collect and sort files
-        foreach($files as $file) {
-            call_user_func_array($func, array(&$files_tmp, $base, $file, 'f', $lvl, $opts));
-        }
-        usort($files_tmp, array($this, "_cmp"));
-
-        //count added items
-        $added = count($data) - $count;
-
-        if($added === 0 && empty($files_tmp)) {
-            //remove empty directory again, only if it has not a headpage associated
-            $v = end($data);
-            if(!$v['hns']) array_pop($data);
-        } else {
-            //add files to index
-            $data = array_merge($data, $files_tmp);
-        }
-    }
-
-    /**
-     * callback that sorts nodes
-     *
-     * @param array $a first node as array with 'sort' entry
-     * @param array $b second node as array with 'sort' entry
-     * @return int if less than zero 1st node is less than 2nd, otherwise equal respectively larger
-     */
-    private function _cmp($a, $b) {
-        if($this->rsort) {
-            return strnatcasecmp($b['sort'], $a['sort']);
-        } else {
-            return strnatcasecmp($a['sort'], $b['sort']);
-        }
-    }
-
-    /**
-     * Add sort information to item.
-     *
-     * @author  Samuele Tognini <samuele@samuele.netsons.org>
-     *
-     * @param array $item
-     * @return bool|int|mixed|string
-     */
-    private function _setorder($item) {
-        global $conf;
-
-        $sort = false;
-        $page = false;
-        if($item['type'] == 'd' || $item['type'] == 'l') {
-            //Fake order info when nsort is not requested
-            ($this->nsort) ? $page = $item['hns'] : $sort = 0;
-        }
-        if($item['type'] == 'f') $page = $item['id'];
-        if($page) {
-            if($this->hsort && noNS($item['id']) == $conf['start']) $sort = 1;
-            if($this->msort) $sort = p_get_metadata($page, $this->msort);
-            if(!$sort && $this->sort) {
-                switch($this->sort) {
-                    case 't':
-                        $sort = $item['title'];
-                        break;
-                    case 'd':
-                        $sort = @filectime(wikiFN($page));
-                        break;
-                }
-            }
-        }
-        if($sort === false) $sort = noNS($item['id']);
-        return $sort;
-    }
-} //Indexmenu class end  
+		var $sort = false;
+		var $msort = false;
+		var $rsort = false;
+		var $nsort = false;
+		var $hsort = false;
+
+		/**
+		 * What kind of syntax are we?
+		 */
+		public function getType() {
+				return 'substition';
+		}
+
+		/**
+		 * Behavior regarding the paragraph
+		 */
+		public function getPType() {
+				return 'block';
+		}
+
+		/**
+		 * Where to sort in?
+		 */
+		public function getSort() {
+				return 138;
+		}
+
+		/**
+		 * Connect pattern to lexer
+		 */
+		public function connectTo($mode) {
+				$this->Lexer->addSpecialPattern('{{indexmenu>.+?}}', $mode, 'plugin_indexmenu_indexmenu');
+		}
+
+		/**
+		 * Handler to prepare matched data for the rendering process
+		 *
+		 * @param   string       $match   The text matched by the patterns
+		 * @param   int          $state   The lexer state for the match
+		 * @param   int          $pos     The character position of the matched text
+		 * @param   Doku_Handler $handler The Doku_Handler object
+		 * @return  array Return an array with all data you want to use in render
+		 */
+		public function handle($match, $state, $pos, Doku_Handler $handler) {
+				$theme    = 'default';
+				$level    = -1;
+				$gen_id   = 'random';
+				$maxjs    = 0;
+				$max      = 0;
+				$jsajax   = '';
+				$nss      = array();
+				$skipns   = array();
+				$skipfile = array();
+				$maxcount = 0;
+
+				$defaultsstr = $this->getConf('defaultoptions');
+				$defaults = explode(' ', $defaultsstr);
+
+				$match = substr($match, 12, -2);
+				//split namespace,level,theme
+				list($nsstr, $optsstr) = explode('|', $match, 2);
+				//split options
+				$opts = explode(' ', $optsstr);
+
+				//Context option
+				$context = $this->hasOption($defaults, $opts, 'context');
+
+				//split optional namespaces
+				$nss_temp = preg_split("/ /u", $nsstr, -1, PREG_SPLIT_NO_EMPTY);
+				//Array optional namespace => level
+				for($i = 1; $i < count($nss_temp); $i++) {
+						$nsss = preg_split("/#/u", $nss_temp[$i]);
+						if(!$context) {
+								$nsss[0] = $this->_parse_ns($nsss[0]);
+						}
+						$nss[] = array($nsss[0], (is_numeric($nsss[1])) ? $nsss[1] : $level);
+				}
+				//split main requested namespace
+				if(preg_match('/(.*)#(\S*)/u', $nss_temp[0], $ns_opt)) {
+						//split level
+						$ns = $ns_opt[1];
+						if(is_numeric($ns_opt[2])) $level = $ns_opt[2];
+				} else {
+						$ns = $nss_temp[0];
+				}
+				if(!$context) {
+						$ns = $this->_parse_ns($ns);
+				}
+
+				//nocookie option (disable for uncached pages)
+				$nocookie = $context || $this->hasOption($defaults, $opts, 'nocookie');
+				//noscroll option
+				$noscroll = $this->hasOption($defaults, $opts, 'noscroll');
+				//Open at current namespace option
+				$navbar = $this->hasOption($defaults, $opts, 'navbar');
+				//no namespaces  options
+				$nons = $this->hasOption($defaults, $opts, 'nons');
+				//no pages option
+				$nopg = $this->hasOption($defaults, $opts, 'nopg');
+				//disable toc preview
+				$notoc = $this->hasOption($defaults, $opts, 'notoc');
+				//disable the right context menu
+				$nomenu = $this->hasOption($defaults, $opts, 'nomenu');
+				//Main sort method
+				$tsort = $this->hasOption($defaults, $opts, 'tsort');
+				$dsort = $this->hasOption($defaults, $opts, 'dsort');
+				if($tsort) {
+						$sort = 't';
+				} elseif($dsort) {
+						$sort = 'd';
+				} else $sort = 0;
+				//sort directories in the same way as files
+				$nsort = $this->hasOption($defaults, $opts, 'nsort');
+				//sort headpages up
+				$hsort = $this->hasOption($defaults, $opts, 'hsort');
+				//Metadata sort method
+				if($msort = $this->hasOption($defaults, $opts, 'msort')) {
+						$msort = 'indexmenu_n';
+				} elseif($value = $this->getOption($defaultsstr, $optsstr, '/msort#(\S+)/u')) {
+						$msort = str_replace(':', ' ', $value);
+				}
+				//reverse sort
+				$rsort = $this->hasOption($defaults, $opts, 'rsort');
+
+				if($sort) $jsajax .= "&sort=" . $sort;
+				if($msort) $jsajax .= "&msort=" . $msort;
+				if($rsort) $jsajax .= "&rsort=1";
+				if($nsort) $jsajax .= "&nsort=1";
+				if($hsort) $jsajax .= "&hsort=1";
+				if($nopg) $jsajax .= "&nopg=1";
+
+				//javascript option
+				$dir = '';
+				//check defaults for js,js#theme, #theme
+				if(!$js = in_array('js', $defaults)) {
+						if(preg_match('/(?:^|\s)(js)?#(\S*)/u', $defaultsstr, $match_djs) > 0) {
+								if(!empty($match_djs[1])) $js = true;
+								if(isset($match_djs[2])) $dir = $match_djs[2];
+						}
+				}
+				//check opts for nojs,#theme or js,js#theme
+				if($js) {
+						if(in_array('nojs', $opts)) {
+								$js = false;
+						} else {
+								if(preg_match('/(?:^|\s)(?:js)?#(\S*)/u', $optsstr, $match_ojs) > 0) {
+										if(isset($match_ojs[1])) $dir = $match_ojs[1];
+								}
+						}
+				} else {
+						if($js = in_array('js', $opts)) {
+								//use theme from the defaults
+						} else {
+								if(preg_match('/(?:^|\s)js#(\S*)/u', $optsstr, $match_ojs) > 0) {
+										$js = true;
+										if(isset($match_ojs[1])) $dir = $match_ojs[1];
+								}
+						}
+				}
+
+				if($js) {
+						//exist theme?
+						if(!empty($dir) && is_dir(INDEXMENU_IMG_ABSDIR . "/" . $dir)) {
+								$theme = $dir;
+						}
+
+						//id generation method
+						$gen_id = $this->getOption($defaultsstr, $optsstr, '/id#(\S+)/u');
+
+						//max option
+						if($maxmatches = $this->getOption($defaultsstr, $optsstr, '/max#(\d+)($|\s+|#(\d+))/u', true)) {
+								$max = $maxmatches[1];
+								if($maxmatches[3]) {
+										$jsajax .= "&max=" . $maxmatches[3];
+								}
+								//disable cookie to avoid javascript errors
+								$nocookie = true;
+						} else {
+								$max = 0;
+						}
+
+						//max js option
+						if($maxjsvalue = $this->getOption($defaultsstr, $optsstr, '/maxjs#(\d+)/u')) {
+								$maxjs = $maxjsvalue;
+						}
+				}
+				if(is_numeric($gen_id)) {
+						$identifier = $gen_id;
+				} elseif($gen_id == 'ns') {
+						$identifier = sprintf("%u", crc32($ns));
+				} else {
+						$identifier = uniqid(rand());
+				}
+
+				//skip namespaces in index
+				$skipns[] = $this->getConf('skip_index');
+				if(preg_match('/skipns[\+=](\S+)/u', $optsstr, $sns) > 0) {
+						//first sign is: '+' (parallel to conf) or '=' (replace conf)
+						$action = $sns[0][6];
+						$index = 0;
+						if($action == '+') {
+								$index = 1;
+						}
+						$skipns[$index] = $sns[1];
+						$jsajax .= "&skipns=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sns[1]);
+				}
+				//skip file
+				$skipfile[] = $this->getConf('skip_file');
+				if(preg_match('/skipfile[\+=](\S+)/u', $optsstr, $sf) > 0) {
+						//first sign is: '+' (parallel to conf) or '=' (replace conf)
+						$action = $sf[0][8];
+						$index = 0;
+						if($action == '+') {
+								$index = 1;
+						}
+						$skipfile[$index] = $sf[1];
+						$jsajax .= "&skipfile=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sf[1]);
+				}
+
+				// check maxcount option
+				if($maxcountvalue = $this->getOption($defaultsstr, $optsstr, '/maxcount#(\d+)/u')) {
+						$maxcount = $maxcountvalue;
+				}
+
+
+				//js options
+				$js_opts = compact('theme', 'identifier', 'nocookie', 'navbar', 'noscroll', 'maxjs', 'notoc', 'jsajax', 'context', 'nomenu');
+
+				return array(
+						$ns,
+						$js_opts,
+						$sort,
+						$msort,
+						$rsort,
+						$nsort,
+						array(
+								'level'         => $level,
+								'nons'          => $nons,
+								'nopg'          => $nopg,
+								'nss'           => $nss,
+								'max'           => $max,
+								'js'            => $js,
+								'skip_index'    => $skipns,
+								'skip_file'     => $skipfile,
+								'headpage'      => $this->getConf('headpage'),
+								'hide_headpage' => $this->getConf('hide_headpage')
+						),
+						$hsort,
+						$maxcount
+				);
+		}
+
+
+		/**
+		 * Looks if the default options and syntax options has the requested option
+		 *
+		 * @param array  $defaultsopts array of default options
+		 * @param array  $opts         array of options provided via syntax
+		 * @param string $optionname   name of requested option
+		 * @return bool has optionname?
+		 */
+		private function hasOption($defaultsopts, $opts, $optionname) {
+				$name = $optionname;
+				if(substr($optionname, 0, 2) == 'no') {
+						$inversename = substr($optionname, 2);
+				} else {
+						$inversename = 'no' . $optionname;
+				}
+
+				if(in_array($name, $defaultsopts)) {
+						return !in_array($inversename, $opts);
+				} else {
+						return in_array($name, $opts);
+				}
+		}
+
+		/**
+		 * Looks for the value of the requested option in the default options and syntax options
+		 *
+		 * @param string $defaultsstr     default options string
+		 * @param string $optsstr         syntax options string
+		 * @param string $matchpattern    pattern to search for
+		 * @param bool   $multiplematches if multiple returns array, otherwise the first match
+		 * @return string|array
+		 */
+		private function getOption($defaultsstr, $optsstr, $matchpattern, $multiplematches = false) {
+				if(preg_match($matchpattern, $optsstr, $match_o) > 0) {
+						if($multiplematches) {
+								return $match_o;
+						} else {
+								return $match_o[1];
+						}
+				} elseif(preg_match($matchpattern, $defaultsstr, $match_d) > 0) {
+						if($multiplematches) {
+								return $match_d;
+						} else {
+								return $match_d[1];
+						}
+				}
+				return false;
+		}
+
+		/**
+		 * Handles the actual output creation.
+		 *
+		 * @param   $mode   string          output format being rendered
+		 * @param   $renderer Doku_Renderer the current renderer object
+		 * @param   $data     array         data created by handler()
+		 * @return  boolean                 rendered correctly?
+		 */
+		public function render($mode, Doku_Renderer $renderer, $data) {
+				global $ACT;
+				global $conf;
+				global $INFO;
+				if($mode == 'xhtml') {
+						/** @var Doku_Renderer_xhtml $renderer */
+						if($ACT == 'preview') {
+								//Check user permission to display indexmenu in a preview page
+								if($this->getConf('only_admins') &&
+										$conf['useacl'] &&
+										$INFO['perm'] < AUTH_ADMIN
+								)
+										return false;
+								//disable cookies
+								$data[1]['nocookie'] = true;
+						}
+						//Navbar with nojs
+						if($data[1]['navbar'] && !$data[6]['js']) {
+								if(!isset($data[0])) $data[0] = '..';
+								$data[6]['nss'][]        = array(getNS($INFO['id']));
+								$renderer->info['cache'] = FALSE;
+						}
+
+						if($data[1]['context']) {
+								//resolve current id relative namespaces
+								$data[0] = $this->_parse_ns($data[0], $INFO['id']);
+								foreach($data[6]['nss'] as $key=> $value) {
+										$data[6]['nss'][$key][0] = $this->_parse_ns($value[0], $INFO['id']);
+								}
+								$renderer->info['cache'] = FALSE;
+						}
+						$n = $this->_indexmenu($data);
+						if(!@$n) {
+								$n = $this->getConf('empty_msg');
+								$n = str_replace('{{ns}}', cleanID($data[0]), $n);
+								$n = p_render('xhtml', p_get_instructions($n), $info);
+						}
+						$renderer->doc .= $n;
+						return true;
+				} else if($mode == 'metadata') {
+						/** @var Doku_Renderer_metadata $renderer */
+						if(!($data[1]['navbar'] && !$data[6]['js']) && !$data[1]['context']) {
+								//this is an indexmenu page that needs the PARSER_CACHE_USE event trigger;
+								$renderer->meta['indexmenu'] = TRUE;
+						}
+						$renderer->doc .= ((empty($data[0])) ? $conf['title'] : nons($data[0]))." index\n\n";
+						unset($renderer->persistent['indexmenu']);
+						return true;
+				} else {
+						return false;
+				}
+		}
+
+		/**
+		 * Return the index
+		 *
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 *
+		 * This function is a simple hack of Dokuwiki @see html_index($ns)
+		 * @author Andreas Gohr <andi@splitbrain.org>
+		 *
+		 * @param array $myns the options for indexmenu
+		 * @return bool|string return html for a nojs index and when enabled the js rendered index, otherwise false
+		 */
+		private function _indexmenu($myns) {
+				global $conf;
+				$ns          = $myns[0];
+				$js_opts     = $myns[1]; //theme, identifier, nocookie, navbar, noscroll, maxjs, notoc, jsajax, context, nomenu
+				$this->sort  = $myns[2];
+				$this->msort = $myns[3];
+				$this->rsort = $myns[4];
+				$this->nsort = $myns[5];
+				$opts        = $myns[6]; //level, nons, nopg, nss, max, js, skip_index, skip_file, headpage, hide_headpage
+				$this->hsort = $myns[7];
+				$data        = array();
+				$js_name     = "indexmenu_".$js_opts['identifier'];
+				$fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
+				if($this->sort || $this->msort || $this->rsort || $this->hsort) {
+						$this->_search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
+				} else {
+						search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
+				}
+				if(!$data) return false;
+
+				// javascript index
+				$output_tmp = "";
+				if($opts['js']) {
+						$ns         = str_replace('/', ':', $ns);
+						$output_tmp = $this->_jstree($data, $ns, $js_opts, $js_name, $opts['max']);
+
+						//remove unwanted nodes from standard index
+						$this->_clean_data($data);
+				}
+
+				// Nojs dokuwiki index
+				//    extra div needed when index is first element in sidebar of dokuwiki template, template uses this to toggle sidebar
+				//    the toggle interacts with hide needed for js option.
+				$output = "\n";
+				$output .= '<div><div id="nojs_'.$js_name.'" data-jsajax="'.utf8_encodeFN($js_opts['jsajax']).'" class="indexmenu_nojs">'."\n";
+				$output .= html_buildlist($data, 'idx', array($this, "_html_list_index"), "html_li_index");
+				$output .= "</div></div>\n";
+				$output .= $output_tmp;
+				return $output;
+		}
+
+		/**
+		 * Build the browsable index of pages using javascript
+		 *
+		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
+		 * @author  Rene Hadler
+		 *
+		 * @param array  $data    array with items of the tree
+		 * @param string $ns      requested namespace
+		 * @param array  $js_opts options for javascript renderer
+		 * @param string $js_name identifier for this index
+		 * @param int    $max     the node at $max level will retrieve all its child nodes through the AJAX mechanism
+		 * @return bool|string returns inline javascript or false
+		 */
+		private function _jstree($data, $ns, $js_opts, $js_name, $max) {
+				global $conf;
+				$hns = false;
+				if(empty($data)) return false;
+
+				//Render requested ns as root
+				$headpage = $this->getConf('headpage');
+				//if rootnamespace and headpage, then add startpage as headpage - TODO seems not logic, when desired use $conf[headpage]=:start: ??
+				if(empty($ns) && !empty($headpage)) $headpage .= ','.$conf['start'];
+				$title = $this->_getTitle($ns, $headpage, $hns);
+				if(empty($title)) {
+						if(empty($ns)){
+								$title = htmlspecialchars($conf['title'], ENT_QUOTES);
+						} else{
+								$title = $ns;
+						}
+				}
+				// inline javascript
+				$out = "<script type='text/javascript' charset='utf-8'>\n";
+				$out .= "<!--//--><![CDATA[//><!--\n";
+				$out .= "var $js_name = new dTree('".$js_name."','".$js_opts['theme']."');\n";
+				//javascript config options
+				$sepchar = idfilter(':', false);
+				$out .= "$js_name.config.urlbase='".substr(wl(":"), 0, -1)."';\n";
+				$out .= "$js_name.config.sepchar='".$sepchar."';\n";
+				if($js_opts['notoc'])          $out .= "$js_name.config.toc=false;\n";
+				if($js_opts['nocookie'])       $out .= "$js_name.config.useCookies=false;\n";
+				if($js_opts['noscroll'])       $out .= "$js_name.config.scroll=false;\n";
+				if($js_opts['maxjs'] > 0)      $out .= "$js_name.config.maxjs=".$js_opts['maxjs'].";\n";
+				if(!empty($js_opts['jsajax'])) $out .= "$js_name.config.jsajax='".utf8_encodeFN($js_opts['jsajax'])."';\n";
+				//add root node
+				$json = new JSON();
+				$out .= $js_name.".add('".idfilter(cleanID($ns), false)."',0,-1,".$json->encode($title);
+				if($hns) $out .= ",'".idfilter(cleanID($hns), false)."'";
+				$out .= ");\n";
+				//add nodes
+				$anodes = $this->_jsnodes($data, $js_name);
+				$out .= $anodes[0];
+				//write to document
+				$out .= "document.write(".$js_name.");\n";
+				//initialize index
+				$out .= "jQuery(function(){".$js_name.".init(";
+				$out .= (int) is_file(INDEXMENU_IMG_ABSDIR.'/'.$js_opts['theme'].'/style.css').",";
+				$out .= (int) $js_opts['nocookie'].",";
+				$out .= '"'.$anodes[1].'",';
+				$out .= (int) $js_opts['navbar'].",";
+				$out .= (int) $max;
+				if($js_opts['nomenu']) $out .= ",1";
+				$out .= ");});\n";
+
+				$out .= "//--><!]]>\n";
+				$out .= "</script>\n";
+				return $out;
+		}
+
+		/**
+		 * Return array of javascript nodes and nodes to open.
+		 *
+		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
+		 * @param array  $data    array with items of the tree
+		 * @param string $js_name identifier for this index
+		 * @param int    $noajax  return as inline js (=1) or array for ajax response (=0)
+		 * @return array|bool returns array with
+		 *     - a string of the javascript nodes
+		 *     - and a string of space separated numbers of the opened nodes
+		 *    or false when no data provided
+		 */
+		public function _jsnodes($data, $js_name, $noajax = 1) {
+				if(empty($data)) return false;
+				//Array of nodes to check
+				$q = array('0');
+				//Current open node
+				$node  = 0;
+				$out   = '';
+				$extra = '';
+				if($noajax) {
+						$jscmd = $js_name.".add";
+						$separator   = ";\n";
+				} else {
+						$jscmd = "new Array ";
+						$separator   = ",";
+				}
+				$json = new JSON();
+				foreach($data as $i=> $item) {
+						$i++;
+						//Remove already processed nodes (greater level = lower level)
+						while($item['level'] <= $data[end($q) - 1]['level']) {
+								array_pop($q);
+						}
+
+						//till i found its father node
+						if($item['level'] == 1) {
+								//root node
+								$father = '0';
+						} else {
+								//Father node
+								$father = end($q);
+						}
+						//add node and its options
+						if($item['type'] == 'd') {
+								//Search the lowest open node of a tree branch in order to open it.
+								if($item['open']) ($item['level'] < $data[$node]['level']) ? $node = $i : $extra .= "$i ";
+								//insert node in last position
+								array_push($q, $i);
+						}
+						$out .= $jscmd."('".idfilter($item['id'], false)."',$i,".$father.",".$json->encode($item['title']);
+						//hns
+						($item['hns']) ? $out .= ",'".idfilter($item['hns'], false)."'" : $out .= ",0";
+						($item['type'] == 'd' || $item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
+						//MAX option
+						($item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
+						$out .= ")".$separator;
+				}
+				$extra = rtrim($extra, ' ');
+				return array($out, $extra);
+		}
+
+		/**
+		 * Get namespace title, checking for headpages
+		 *
+		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
+		 * @param string $ns namespace
+		 * @param string $headpage commaseparated headpages options and headpages
+		 * @param string $hns reference pageid of headpage, false when not existing
+		 * @return string when headpage & heading on: title of headpage, otherwise: namespace name
+		 */
+		private function _getTitle($ns, $headpage, &$hns) {
+				global $conf;
+				$hns   = false;
+				$title = noNS($ns);
+				if(empty($headpage)) return $title;
+				$ahp = explode(",", $headpage);
+				foreach($ahp as $hp) {
+						switch($hp) {
+								case ":inside:":
+										$page = $ns.":".noNS($ns);
+										break;
+								case ":same:":
+										$page = $ns;
+										break;
+								//it's an inside start
+								case ":start:":
+										$page = ltrim($ns.":".$conf['start'], ":");
+										break;
+								//inside pages
+								default:
+										$page = $ns.":".$hp;
+						}
+						//check headpage
+						if(@file_exists(wikiFN($page)) && auth_quickaclcheck($page) >= AUTH_READ) {
+								if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
+										$title_tmp = p_get_first_heading($page, FALSE);
+										if(!is_null($title_tmp)) $title = $title_tmp;
+								}
+								$title = htmlspecialchars($title, ENT_QUOTES);
+								$hns   = $page;
+								//headpage found, exit for
+								break;
+						}
+				}
+				return $title;
+		}
+
+		/**
+		 * Parse namespace request
+		 *
+		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
+		 * @param string $ns namespaceid
+		 * @param bool   $id page id to resolve $ns relative to.
+		 * @return string id of namespace
+		 */
+		public function _parse_ns($ns, $id = FALSE) {
+				if(!$id) {
+						global $ID;
+						$id = $ID;
+				}
+				//Just for old reelases compatibility
+				if(empty($ns) || $ns == '..') $ns = ":..";
+				return resolve_id(getNS($id), $ns);
+		}
+
+		/**
+		 * Clean index data from unwanted nodes in nojs mode.
+		 *
+		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
+		 * @param array $data nodes of the tree
+		 * @return void
+		 */
+		private function _clean_data(&$data) {
+				foreach($data as $i=> $item) {
+						//closed node
+						if($item['type'] == "d" && !$item['open']) {
+								$a     = $i + 1;
+								$level = $data[$i]['level'];
+								//search and remove every lower and closed nodes
+								while($data[$a]['level'] > $level && !$data[$a]['open']) {
+										unset($data[$a]);
+										$a++;
+								}
+						}
+				}
+		}
+
+		/**
+		 * Callback that adds an item of namespace/page to the browsable index, if it fits in the specified options
+		 *
+		 * $opts['skip_index'] string regexp matching namespaceids to skip
+		 * $opts['skip_file']  string regexp matching pageids to skip
+		 * $opts['headpage']   string headpages options or pageids
+		 * $opts['level']      int    desired depth of main namespace, -1 = all levels
+		 * $opts['nss']        array with entries: array(namespaceid,level) specifying namespaces with their own level
+		 * $opts['nons']       bool   exclude namespace nodes
+		 * $opts['max']        int    If initially closed, the node at max level will retrieve all its child nodes through the AJAX mechanism
+		 * $opts['nopg']       bool   exclude page nodes
+		 * $opts['hide_headpage'] int don't hide (0) or hide (1)
+		 * $opts['js']         bool   use js-render
+		 *
+		 * @author  Andreas Gohr <andi@splitbrain.org>
+		 * modified by Samuele Tognini <samuele@samuele.netsons.org>
+		 * @param array  $data Already collected nodes
+		 * @param string $base Where to start the search, usually this is $conf['datadir']
+		 * @param string $file Current file or directory relative to $base
+		 * @param string $type Type either 'd' for directory or 'f' for file
+		 * @param int    $lvl  Current recursion depht
+		 * @param array  $opts Option array as given to search(), see above.
+		 * @return bool if this directory should be traversed (true) or not (false)
+		 */
+		public function _search_index(&$data, $base, $file, $type, $lvl, $opts) {
+				global $conf;
+				$hns        = false;
+				$isopen     = false;
+				$title      = null;
+				$skip_index = $opts['skip_index'];
+				$skip_file  = $opts['skip_file'];
+				$headpage   = $opts['headpage'];
+				$id         = pathID($file);
+				if($type == 'd') {
+						// Skip folders in plugin conf
+						foreach($skip_index as $skipi) {
+								if(!empty($skipi) && preg_match($skipi, $id))
+										return false;
+						}
+						//check ACL (for sneaky_index namespaces too).
+						if($conf['sneaky_index'] && auth_quickaclcheck($id.':') < AUTH_READ) return false;
+						//Open requested level
+						if($opts['level'] > $lvl || $opts['level'] == -1) $isopen = true;
+						//Search optional namespaces
+						if(!empty($opts['nss'])) {
+								$nss = $opts['nss'];
+								for($a = 0; $a < count($nss); $a++) {
+										if(preg_match("/^".$id."($|:.+)/i", $nss[$a][0], $match)) {
+												//It contains an optional namespace
+												$isopen = true;
+										} elseif(preg_match("/^".$nss[$a][0]."(:.*)/i", $id, $match)) {
+												//It's inside an optional namespace
+												if($nss[$a][1] == -1 || substr_count($match[1], ":") < $nss[$a][1]) {
+														$isopen = true;
+												} else {
+														$isopen = false;
+												}
+										}
+								}
+						}
+						if($opts['nons']) {
+								return $isopen;
+						} elseif($opts['max'] > 0 && !$isopen && $lvl >= $opts['max']) {
+								$isopen = false;
+								//Stop recursive searching
+								$return = false;
+								//change type
+								$type = "l";
+						} elseif($opts['js']) {
+								$return = true;
+						} else {
+								$return = $isopen;
+						}
+						//Set title and headpage
+						$title = $this->_getTitle($id, $headpage, $hns);
+						//link namespace nodes to start pages when excluding page nodes
+						if(!$hns && $opts['nopg']) $hns = $id.":".$conf['start'];
+				} else {
+						//Nopg.Dont show pages
+						if($opts['nopg']) return false;
+						$return = true;
+						//Nons.Set all pages at first level
+						if($opts['nons']) $lvl = 1;
+						//don't add
+						if(substr($file, -4) != '.txt') return false;
+						//check hiddens and acl
+						if(isHiddenPage($id) || auth_quickaclcheck($id) < AUTH_READ) return false;
+						//Skip files in plugin conf
+						foreach($skip_file as $skipf) {
+								if(!empty($skipf) && preg_match($skipf, $id))
+										return false;
+						}
+						//Skip headpages to hide
+						if(!$opts['nons'] && !empty($headpage) && $opts['hide_headpage']) {
+								//start page is in root
+								if($id == $conf['start']) return false;
+								$ahp = explode(",", $headpage);
+								foreach($ahp as $hp) {
+										switch($hp) {
+												case ":inside:":
+														if(noNS($id) == noNS(getNS($id))) return false;
+														break;
+												case ":same:":
+														if(@is_dir(dirname(wikiFN($id))."/".utf8_encodeFN(noNS($id)))) return false;
+														break;
+												//it' s an inside start
+												case ":start:":
+														if(noNS($id) == $conf['start']) return false;
+														break;
+												default:
+														if(noNS($id) == cleanID($hp)) return false;
+										}
+								}
+						}
+
+						//Set title
+						if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
+								$title = p_get_first_heading($id, FALSE);
+						}
+						if(is_null($title)) $title = noNS($id);
+						$title = htmlspecialchars($title, ENT_QUOTES);
+				}
+
+				$item         = array(
+						'id'     => $id,
+						'type'   => $type,
+						'level'  => $lvl,
+						'open'   => $isopen,
+						'title'  => $title,
+						'hns'    => $hns,
+						'file'   => $file,
+						'return' => $return
+				);
+				$item['sort'] = $this->_setorder($item);
+				$data[]       = $item;
+				return $return;
+		}
+
+		/**
+		 * Callback Index item formatter
+		 *
+		 * User function for @see html_buildlist()
+		 *
+		 * @author Andreas Gohr <andi@splitbrain.org>
+		 * @author Samuele Tognini <samuele@samuele.netsons.org>
+		 * @author Rik Blok
+		 *
+		 * @param array $item item described by array with at least the entries
+		 *          - id    page id/namespace id
+		 *          - type  'd', 'l'(directory which is not yet opened) or 'f'
+		 *          - open  is node open
+		 *          - title title of link
+		 *          - hns   page id of headpage of the namespace or false
+		 * @return string html of the content of a list item
+		 */
+		public function _html_list_index($item) {
+				global $INFO;
+				$ret = '';
+
+				//namespace
+				if($item['type'] == 'd' || $item['type'] == 'l') {
+						$markCurrentPage = false;
+
+						$link = $item['id'];
+						$more = 'idx='.$item['id'];
+						//namespace link
+						if($item['hns']) {
+								$link  = $item['hns'];
+								$tagid = "indexmenu_idx_head";
+								$more  = '';
+								//current page is shown?
+								$markCurrentPage = $this->getConf('hide_headpage') && $item['hns'] == $INFO['id'];
+						} else {
+								//namespace without headpage
+								$tagid = "indexmenu_idx";
+								if($item['open']) $tagid .= ' open';
+						}
+
+						if($markCurrentPage) $ret .= '<span class="curid">';
+						$ret .= '<a href="'.wl($link, $more).'" class="'.$tagid.'">';
+						$ret .= $item['title'];
+						$ret .= '</a>';
+						if($markCurrentPage) $ret .= '</span>';
+				} else {
+						//page link
+						$ret .= html_wikilink(':'.$item['id']);
+				}
+				return $ret;
+		}
+
+		/**
+		 * callback that recurse directory
+		 *
+		 * This function recurses into a given base directory
+		 * and calls the supplied function for each file and directory
+		 *
+		 * Similar to search() of inc/search.php, but has extended sorting options
+		 *
+		 * @param   array     $data The results of the search are stored here
+		 * @param   string    $base Where to start the search
+		 * @param   callback  $func Callback (function name or array with object,method)
+		 * @param   array     $opts List of indexmenu options
+		 * @param   string    $dir  Current directory beyond $base
+		 * @param   int       $lvl  Recursion Level
+		 *
+		 * @author  Andreas Gohr <andi@splitbrain.org>
+		 * @author  modified by Samuele Tognini <samuele@samuele.netsons.org>
+		 */
+		public function _search(&$data, $base, $func, $opts, $dir = '', $lvl = 1) {
+				$dirs      = array();
+				$files     = array();
+				$files_tmp = array();
+				$dirs_tmp  = array();
+				$count = count($data);
+
+				//read in directories and files
+				$dh = @opendir($base.'/'.$dir);
+				if(!$dh) return;
+				while(($file = readdir($dh)) !== false) {
+						//skip hidden files and upper dirs
+						if(preg_match('/^[\._]/', $file)) continue;
+						if(is_dir($base.'/'.$dir.'/'.$file)) {
+								$dirs[] = $dir.'/'.$file;
+								continue;
+						}
+						$files[] = $dir.'/'.$file;
+				}
+				closedir($dh);
+
+				//Collect and sort dirs
+				if($this->nsort) {
+						//collect the wanted directories in dirs_tmp
+						foreach($dirs as $dir) {
+								call_user_func_array($func, array(&$dirs_tmp, $base, $dir, 'd', $lvl, $opts));
+						}
+						//sort directories
+						usort($dirs_tmp, array($this, "_cmp"));
+						//add and search each directory
+						foreach($dirs_tmp as $dir) {
+								$data[] = $dir;
+								if($dir['return']) {
+										$this->_search($data, $base, $func, $opts, $dir['file'], $lvl + 1);
+								}
+						}
+				} else {
+						//sort by page name
+						sort($dirs);
+						//collect directories
+						foreach($dirs as $dir) {
+								if(call_user_func_array($func, array(&$data, $base, $dir, 'd', $lvl, $opts))) {
+										$this->_search($data, $base, $func, $opts, $dir, $lvl + 1);
+								}
+						}
+				}
+
+				//Collect and sort files
+				foreach($files as $file) {
+						call_user_func_array($func, array(&$files_tmp, $base, $file, 'f', $lvl, $opts));
+				}
+				usort($files_tmp, array($this, "_cmp"));
+
+				//count added items
+				$added = count($data) - $count;
+
+				if($added === 0 && empty($files_tmp)) {
+						//remove empty directory again, only if it has not a headpage associated
+						$v = end($data);
+						if(!$v['hns']) array_pop($data);
+				} else {
+						//add files to index
+						$data = array_merge($data, $files_tmp);
+				}
+		}
+
+		/**
+		 * callback that sorts nodes
+		 *
+		 * @param array $a first node as array with 'sort' entry
+		 * @param array $b second node as array with 'sort' entry
+		 * @return int if less than zero 1st node is less than 2nd, otherwise equal respectively larger
+		 */
+		private function _cmp($a, $b) {
+				if($this->rsort) {
+						return strnatcasecmp($b['sort'], $a['sort']);
+				} else {
+						return strnatcasecmp($a['sort'], $b['sort']);
+				}
+		}
+
+		/**
+		 * Add sort information to item.
+		 *
+		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
+		 *
+		 * @param array $item
+		 * @return bool|int|mixed|string
+		 */
+		private function _setorder($item) {
+				global $conf;
+
+				$sort = false;
+				$page = false;
+				if($item['type'] == 'd' || $item['type'] == 'l') {
+						//Fake order info when nsort is not requested
+						($this->nsort) ? $page = $item['hns'] : $sort = 0;
+				}
+				if($item['type'] == 'f') $page = $item['id'];
+				if($page) {
+						if($this->hsort && noNS($item['id']) == $conf['start']) $sort = 1;
+						if($this->msort) $sort = p_get_metadata($page, $this->msort);
+						if(!$sort && $this->sort) {
+								switch($this->sort) {
+										case 't':
+												$sort = $item['title'];
+												break;
+										case 'd':
+												$sort = @filectime(wikiFN($page));
+												break;
+								}
+						}
+				}
+				if($sort === false) $sort = noNS($item['id']);
+				return $sort;
+		}
+} //Indexmenu class end

From fec8c8741dbc1f92fd68bc05d31a959bb425e179 Mon Sep 17 00:00:00 2001
From: Ekkart Kleinod <ekkart.kleinod@fokus.fraunhofer.de>
Date: Wed, 13 Apr 2016 17:01:51 +0200
Subject: [PATCH 2/3] small bugfix in action.php

---
 action.php           | 2 +-
 syntax/indexmenu.php | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/action.php b/action.php
index a303bc7..5f0361d 100644
--- a/action.php
+++ b/action.php
@@ -368,7 +368,7 @@ function print_index($ns) {
 						$out .= preg_replace('/<ul class="idx">(.*)<\/ul>/s', "$1", $out_tmp);
 				} else {
 						$nodes = $idxm->_jsnodes($data, '', 0);
-						$out   = "ajxnodes = [";
+						$out .= "ajxnodes = [";
 						$out .= rtrim($nodes[0], ",");
 						$out .= "];";
 				}
diff --git a/syntax/indexmenu.php b/syntax/indexmenu.php
index 4ac4ff3..fc0595e 100644
--- a/syntax/indexmenu.php
+++ b/syntax/indexmenu.php
@@ -430,6 +430,7 @@ private function _indexmenu($myns) {
 				$output .= html_buildlist($data, 'idx', array($this, "_html_list_index"), "html_li_index");
 				$output .= "</div></div>\n";
 				$output .= $output_tmp;
+				$output .= 'etgtest';
 				return $output;
 		}
 

From 82e7784f99babd2bb7ca0ebc941d667a1e713e2f Mon Sep 17 00:00:00 2001
From: Ekkart Kleinod <ekkart.kleinod@fokus.fraunhofer.de>
Date: Wed, 13 Apr 2016 17:11:28 +0200
Subject: [PATCH 3/3] tested code, fixed several errors, works now added author
 information

---
 action.php           |  729 ++++++++--------
 syntax/indexmenu.php | 1922 +++++++++++++++++++++---------------------
 2 files changed, 1331 insertions(+), 1320 deletions(-)

diff --git a/action.php b/action.php
index 5f0361d..7a42441 100644
--- a/action.php
+++ b/action.php
@@ -10,368 +10,369 @@
 
 class action_plugin_indexmenu extends DokuWiki_Action_Plugin {
 
-		/**
-		 * plugin should use this method to register its handlers with the dokuwiki's event controller
-		 *
-		 * @param Doku_Event_Handler $controller DokuWiki's event controller object.
-		 */
-		function register(Doku_Event_Handler $controller) {
-				if($this->getConf('only_admins')) $controller->register_hook('IO_WIKIPAGE_WRITE', 'BEFORE', $this, '_checkperm');
-				if($this->getConf('page_index') != '') $controller->register_hook('TPL_ACT_RENDER', 'BEFORE', $this, '_loadindex');
-				$controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, '_extendJSINFO');
-				$controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, '_purgecache');
-				if($this->getConf('show_sort')) $controller->register_hook('TPL_CONTENT_DISPLAY', 'BEFORE', $this, '_showsort');
-				$controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, '_ajax_call');
-		}
-
-		/**
-		 * Check if user has permission to insert indexmenu
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 *
-		 * @param Doku_Event $event
-		 * @param mixed      $param not defined
-		 */
-		function _checkperm(&$event, $param) {
-				global $INFO;
-				if(!$INFO['isadmin']) {
-						$event->data[0][1] = preg_replace("/{{indexmenu(|_n)>.+?}}/", "", $event->data[0][1]);
-				}
-		}
-
-		/**
-		 * Add additional info to $JSINFO
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 * @author Gerrit Uitslag <klapinklapin@gmail.com>
-		 *
-		 * @param Doku_Event $event
-		 * @param mixed      $param not defined
-		 */
-		function _extendJSINFO(&$event, $param) {
-				global $INFO, $JSINFO;
-				$JSINFO['isadmin'] = (int) $INFO['isadmin'];
-				$JSINFO['isauth']  = (int) $INFO['userinfo'];
-		}
-
-		/**
-		 * Check for pages changes and eventually purge cache.
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 *
-		 * @param Doku_Event $event
-		 * @param mixed      $param not defined
-		 */
-		function _purgecache(&$event, $param) {
-				global $ID;
-				global $conf;
-				/** @var cache_parser $cache */
-				$cache = &$event->data;
-
-				if(!isset($cache->page)) return;
-				//purge only xhtml cache
-				if($cache->mode != "xhtml") return;
-				//Check if it is an indexmenu page
-				if(!p_get_metadata($ID, 'indexmenu')) return;
-
-				$aclcache = $this->getConf('aclcache');
-				if($conf['useacl']) {
-						$newkey = false;
-						if($aclcache == 'user') {
-								//Cache per user
-								if($_SERVER['REMOTE_USER']) $newkey = $_SERVER['REMOTE_USER'];
-						} else if($aclcache == 'groups') {
-								//Cache per groups
-								global $INFO;
-								if($INFO['userinfo']['grps']) $newkey = implode('#', $INFO['userinfo']['grps']);
-						}
-						if($newkey) {
-								$cache->key .= "#".$newkey;
-								$cache->cache = getCacheName($cache->key, $cache->ext);
-						}
-				}
-				//Check if a page is more recent than purgefile.
-				if(@filemtime($cache->cache) < @filemtime($conf['cachedir'].'/purgefile')) {
-						$event->preventDefault();
-						$event->stopPropagation();
-						$event->result = false;
-				}
-		}
-
-		/**
-		 * Render a defined page as index.
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 *
-		 * @param Doku_Event $event
-		 * @param mixed      $param not defined
-		 */
-		function _loadindex(&$event, $param) {
-				if('index' != $event->data) return;
-				if(!file_exists(wikiFN($this->getConf('page_index')))) return;
-				global $lang;
-				print '<h1><a id="index" name="index">'.$lang['btn_index']."</a></h1>\n";
-				print p_wiki_xhtml($this->getConf('page_index'));
-				$event->preventDefault();
-				$event->stopPropagation();
-
-		}
-
-		/**
-		 * Display the indexmenu sort number.
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 *
-		 * @param Doku_Event $event
-		 * @param mixed      $param not defined
-		 */
-		function _showsort(&$event, $param) {
-				global $ID, $ACT, $INFO;
-				if($INFO['isadmin'] && $ACT == 'show') {
-						if($n = p_get_metadata($ID, 'indexmenu_n')) {
-								ptln('<div class="info">');
-								ptln($this->getLang('showsort').$n);
-								ptln('</div>');
-						}
-				}
-		}
-
-		/**
-		 * Handles ajax requests for indexmenu
-		 *
-		 * @param Doku_Event $event
-		 * @param mixed      $param not defined
-		 */
-		function _ajax_call(&$event, $param) {
-				if($event->data !== 'indexmenu') {
-						return;
-				}
-				//no other ajax call handlers needed
-				$event->stopPropagation();
-				$event->preventDefault();
-
-				switch($_REQUEST['req']) {
-						case 'local':
-								//list themes
-								header('Content-Type: application/json');
-
-								$data = $this->_getlocalThemes();
-
-								require_once DOKU_INC.'inc/JSON.php';
-								$json = new JSON();
-								echo ''.$json->encode($data).'';
-								break;
-
-						case 'toc':
-								//print toc preview
-								if(isset($_REQUEST['id'])) print $this->print_toc($_REQUEST['id']);
-								break;
-
-						case 'index':
-								//print index
-								if(isset($_REQUEST['idx'])) print $this->print_index($_REQUEST['idx']);
-								break;
-				}
-
-		}
-
-		/**
-		 * Print a list of local themes
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 * @author Gerrit Uitslag <klapinklapin@gmail.com>
-		 */
-		private function _getlocalThemes() {
-				$themebase = 'lib/plugins/indexmenu/images';
-
-				$handle = @opendir(DOKU_INC.$themebase);
-				$themes = array();
-				while(false !== ($file = readdir($handle))) {
-						if(is_dir(DOKU_INC.$themebase.'/'.$file)
-								&& $file != "."
-								&& $file != ".."
-								&& $file != "repository"
-								&& $file != "tmp"
-								&& $file != ".svn"
-						) {
-								$themes[] = $file;
-						}
-				}
-				closedir($handle);
-				sort($themes);
-
-				return array(
-						'themebase' => $themebase,
-						'themes'    => $themes
-				);
-
-		}
-
-		/**
-		 * Print a toc preview
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 * @author Andreas Gohr <andi@splitbrain.org>
-		 */
-		function print_toc($id) {
-				require_once(DOKU_INC.'inc/parser/xhtml.php');
-				$id = cleanID($id);
-				if(auth_quickaclcheck($id) < AUTH_READ) return '';
-
-				$meta = p_get_metadata($id);
-				$toc  = $meta['description']['tableofcontents'];
-
-				if(count($toc) > 1) {
-						//display ToC of two or more headings
-						$out = $this->render_toc($toc);
-				} else {
-						//display page abstract
-						$out = $this->render_abstract($id, $meta);
-				}
-				return $out;
-		}
-
-		/**
-		 * Return the TOC rendered to XHTML
-		 *
-		 * @author Andreas Gohr <andi@splitbrain.org>
-		 * @author Gerrit Uitslag <klapinklapin@gmail.com>
-		 */
-		function render_toc($toc) {
-				global $lang;
-				$out = '<div class="tocheader">'.DOKU_LF;
-				$out .= $lang['toc'];
-				$out .= '</div>'.DOKU_LF;
-				$out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
-				$out .= html_buildlist($toc, 'toc', array($this, '_indexmenu_list_toc'), 'html_li_default', true);
-				$out .= '</div>'.DOKU_LF;
-				return $out;
-		}
-
-		/**
-		 * Return the page abstract rendered to XHTML
-		 */
-		function render_abstract($id, &$meta) {
-				$out = '<div class="tocheader">'.DOKU_LF;
-				$out .= '<a href="'.wl($id).'">';
-				$out .= ($meta['title']) ? htmlspecialchars($meta['title']) : htmlspecialchars(noNS($id));
-				$out .= '</a>'.DOKU_LF;
-				$out .= '</div>'.DOKU_LF;
-				if($meta['description']['abstract']) {
-						$out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
-						$out .= p_render('xhtml', p_get_instructions($meta['description']['abstract']), $info);
-						$out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
-				}
-				return $out;
-		}
-
-		/**
-		 * Callback for html_buildlist
-		 */
-		function _indexmenu_list_toc($item) {
-				$id = cleanID($_REQUEST['id']);
-
-				if(isset($item['hid'])) {
-						$link = '#'.$item['hid'];
-				} else {
-						$link = $item['link'];
-				}
-
-				//prefix anchers with page id
-				if($link[0] == '#') {
-						$link = wl($id, $link, false, '');
-				}
-				return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
-		}
-
-		/**
-		 * Print index nodes
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 * @author Andreas Gohr <andi@splitbrain.org>
-		 * @author Rene Hadler <rene.hadler@iteas.at>
-		 */
-		function print_index($ns) {
-				require_once(DOKU_PLUGIN.'indexmenu/syntax/indexmenu.php');
-				global $conf;
-				$idxm     = new syntax_plugin_indexmenu_indexmenu();
-				$ns       = $idxm->_parse_ns(rawurldecode($ns));
-				$level    = -1;
-				$max      = 0;
-				$data     = array();
-				$skipfile = array();
-				$skipns   = array();
-				$maxcount = 0;
-
-				if($_REQUEST['max'] > 0) {
-						$max   = $_REQUEST['max'];
-						$level = $max;
-				}
-				$nss         = ($_REQUEST['nss']) ? cleanID($_REQUEST['nss']) : '';
-				$idxm->sort  = $_REQUEST['sort'];
-				$idxm->msort = $_REQUEST['msort'];
-				$idxm->rsort = $_REQUEST['rsort'];
-				$idxm->nsort = $_REQUEST['nsort'];
-				$idxm->hsort = $_REQUEST['hsort'];
-				$fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
-
-				$skipf = utf8_decodeFN($_REQUEST['skipfile']);
-				$skipfile[] = $this->getConf('skip_file');
-				if(isset($skipf)) {
-						$index = 0;
-						if($skipf[1] == '+') {
-								$index = 1;
-						}
-						$skipfile[$index] = substr($skipf, 1);
-				}
-				$skipn = utf8_decodeFN($_REQUEST['skipns']);
-				$skipns[] = $this->getConf('skip_index');
-				if(isset($skipn)) {
-						$index = 0;
-						if($skipn[1] == '+') {
-								$index = 1;
-						}
-						$skipns[$index] = substr($skipn, 1);
-				}
-
-				if($_REQUEST['maxcount'] > 0) {
-						$maxcount = $_REQUEST['maxcount'];
-				}
-
-				$opts = array(
-						'level'         => $level,
-						'nons'          => $_REQUEST['nons'],
-						'nss'           => array(array($nss, 1)),
-						'max'           => $max,
-						'js'            => false,
-						'nopg'          => $_REQUEST['nopg'],
-						'skip_index'    => $skipns,
-						'skip_file'     => $skipfile,
-						'headpage'      => $idxm->getConf('headpage'),
-						'hide_headpage' => $idxm->getConf('hide_headpage')
-				);
-				if($idxm->sort || $idxm->msort || $idxm->rsort || $idxm->hsort) {
-						$idxm->_search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
-				} else {
-						search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
-				}
-
-				if($maxcount > 0) {
-						// reduce items in array to maxcount, preserving keys
-						$data = array_slice($data, 0, $maxcount, true);
-				}
-
-				$out = '';
-				if($_REQUEST['nojs']) {
-						require_once(DOKU_INC.'inc/html.php');
-						$out_tmp = html_buildlist($data, 'idx', array($idxm, "_html_list_index"), "html_li_index");
-						$out .= preg_replace('/<ul class="idx">(.*)<\/ul>/s', "$1", $out_tmp);
-				} else {
-						$nodes = $idxm->_jsnodes($data, '', 0);
-						$out .= "ajxnodes = [";
-						$out .= rtrim($nodes[0], ",");
-						$out .= "];";
-				}
-				return $out;
-		}
+    /**
+     * plugin should use this method to register its handlers with the dokuwiki's event controller
+     *
+     * @param Doku_Event_Handler $controller DokuWiki's event controller object.
+     */
+    function register(Doku_Event_Handler $controller) {
+        if($this->getConf('only_admins')) $controller->register_hook('IO_WIKIPAGE_WRITE', 'BEFORE', $this, '_checkperm');
+        if($this->getConf('page_index') != '') $controller->register_hook('TPL_ACT_RENDER', 'BEFORE', $this, '_loadindex');
+        $controller->register_hook('DOKUWIKI_STARTED', 'AFTER', $this, '_extendJSINFO');
+        $controller->register_hook('PARSER_CACHE_USE', 'BEFORE', $this, '_purgecache');
+        if($this->getConf('show_sort')) $controller->register_hook('TPL_CONTENT_DISPLAY', 'BEFORE', $this, '_showsort');
+        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, '_ajax_call');
+    }
+
+    /**
+     * Check if user has permission to insert indexmenu
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    function _checkperm(&$event, $param) {
+        global $INFO;
+        if(!$INFO['isadmin']) {
+            $event->data[0][1] = preg_replace("/{{indexmenu(|_n)>.+?}}/", "", $event->data[0][1]);
+        }
+    }
+
+    /**
+     * Add additional info to $JSINFO
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Gerrit Uitslag <klapinklapin@gmail.com>
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    function _extendJSINFO(&$event, $param) {
+        global $INFO, $JSINFO;
+        $JSINFO['isadmin'] = (int) $INFO['isadmin'];
+        $JSINFO['isauth']  = (int) $INFO['userinfo'];
+    }
+
+    /**
+     * Check for pages changes and eventually purge cache.
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    function _purgecache(&$event, $param) {
+        global $ID;
+        global $conf;
+        /** @var cache_parser $cache */
+        $cache = &$event->data;
+
+        if(!isset($cache->page)) return;
+        //purge only xhtml cache
+        if($cache->mode != "xhtml") return;
+        //Check if it is an indexmenu page
+        if(!p_get_metadata($ID, 'indexmenu')) return;
+
+        $aclcache = $this->getConf('aclcache');
+        if($conf['useacl']) {
+            $newkey = false;
+            if($aclcache == 'user') {
+                //Cache per user
+                if($_SERVER['REMOTE_USER']) $newkey = $_SERVER['REMOTE_USER'];
+            } else if($aclcache == 'groups') {
+                //Cache per groups
+                global $INFO;
+                if($INFO['userinfo']['grps']) $newkey = implode('#', $INFO['userinfo']['grps']);
+            }
+            if($newkey) {
+                $cache->key .= "#".$newkey;
+                $cache->cache = getCacheName($cache->key, $cache->ext);
+            }
+        }
+        //Check if a page is more recent than purgefile.
+        if(@filemtime($cache->cache) < @filemtime($conf['cachedir'].'/purgefile')) {
+            $event->preventDefault();
+            $event->stopPropagation();
+            $event->result = false;
+        }
+    }
+
+    /**
+     * Render a defined page as index.
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    function _loadindex(&$event, $param) {
+        if('index' != $event->data) return;
+        if(!file_exists(wikiFN($this->getConf('page_index')))) return;
+        global $lang;
+        print '<h1><a id="index" name="index">'.$lang['btn_index']."</a></h1>\n";
+        print p_wiki_xhtml($this->getConf('page_index'));
+        $event->preventDefault();
+        $event->stopPropagation();
+
+    }
+
+    /**
+     * Display the indexmenu sort number.
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    function _showsort(&$event, $param) {
+        global $ID, $ACT, $INFO;
+        if($INFO['isadmin'] && $ACT == 'show') {
+            if($n = p_get_metadata($ID, 'indexmenu_n')) {
+                ptln('<div class="info">');
+                ptln($this->getLang('showsort').$n);
+                ptln('</div>');
+            }
+        }
+    }
+
+    /**
+     * Handles ajax requests for indexmenu
+     *
+     * @param Doku_Event $event
+     * @param mixed      $param not defined
+     */
+    function _ajax_call(&$event, $param) {
+        if($event->data !== 'indexmenu') {
+            return;
+        }
+        //no other ajax call handlers needed
+        $event->stopPropagation();
+        $event->preventDefault();
+
+        switch($_REQUEST['req']) {
+            case 'local':
+                //list themes
+                header('Content-Type: application/json');
+
+                $data = $this->_getlocalThemes();
+
+                require_once DOKU_INC.'inc/JSON.php';
+                $json = new JSON();
+                echo ''.$json->encode($data).'';
+                break;
+
+            case 'toc':
+                //print toc preview
+                if(isset($_REQUEST['id'])) print $this->print_toc($_REQUEST['id']);
+                break;
+
+            case 'index':
+                //print index
+                if(isset($_REQUEST['idx'])) print $this->print_index($_REQUEST['idx']);
+                break;
+        }
+
+    }
+
+    /**
+     * Print a list of local themes
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Gerrit Uitslag <klapinklapin@gmail.com>
+     */
+    private function _getlocalThemes() {
+        $themebase = 'lib/plugins/indexmenu/images';
+
+        $handle = @opendir(DOKU_INC.$themebase);
+        $themes = array();
+        while(false !== ($file = readdir($handle))) {
+            if(is_dir(DOKU_INC.$themebase.'/'.$file)
+                && $file != "."
+                && $file != ".."
+                && $file != "repository"
+                && $file != "tmp"
+                && $file != ".svn"
+            ) {
+                $themes[] = $file;
+            }
+        }
+        closedir($handle);
+        sort($themes);
+
+        return array(
+            'themebase' => $themebase,
+            'themes'    => $themes
+        );
+
+    }
+
+    /**
+     * Print a toc preview
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Andreas Gohr <andi@splitbrain.org>
+     */
+    function print_toc($id) {
+        require_once(DOKU_INC.'inc/parser/xhtml.php');
+        $id = cleanID($id);
+        if(auth_quickaclcheck($id) < AUTH_READ) return '';
+
+        $meta = p_get_metadata($id);
+        $toc  = $meta['description']['tableofcontents'];
+
+        if(count($toc) > 1) {
+            //display ToC of two or more headings
+            $out = $this->render_toc($toc);
+        } else {
+            //display page abstract
+            $out = $this->render_abstract($id, $meta);
+        }
+        return $out;
+    }
+
+    /**
+     * Return the TOC rendered to XHTML
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     * @author Gerrit Uitslag <klapinklapin@gmail.com>
+     */
+    function render_toc($toc) {
+        global $lang;
+        $out = '<div class="tocheader">'.DOKU_LF;
+        $out .= $lang['toc'];
+        $out .= '</div>'.DOKU_LF;
+        $out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
+        $out .= html_buildlist($toc, 'toc', array($this, '_indexmenu_list_toc'), 'html_li_default', true);
+        $out .= '</div>'.DOKU_LF;
+        return $out;
+    }
+
+    /**
+     * Return the page abstract rendered to XHTML
+     */
+    function render_abstract($id, &$meta) {
+        $out = '<div class="tocheader">'.DOKU_LF;
+        $out .= '<a href="'.wl($id).'">';
+        $out .= ($meta['title']) ? htmlspecialchars($meta['title']) : htmlspecialchars(noNS($id));
+        $out .= '</a>'.DOKU_LF;
+        $out .= '</div>'.DOKU_LF;
+        if($meta['description']['abstract']) {
+            $out .= '<div class="indexmenu_toc_inside">'.DOKU_LF;
+            $out .= p_render('xhtml', p_get_instructions($meta['description']['abstract']), $info);
+            $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
+        }
+        return $out;
+    }
+
+    /**
+     * Callback for html_buildlist
+     */
+    function _indexmenu_list_toc($item) {
+        $id = cleanID($_REQUEST['id']);
+
+        if(isset($item['hid'])) {
+            $link = '#'.$item['hid'];
+        } else {
+            $link = $item['link'];
+        }
+
+        //prefix anchers with page id
+        if($link[0] == '#') {
+            $link = wl($id, $link, false, '');
+        }
+        return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
+    }
+
+    /**
+     * Print index nodes
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Andreas Gohr <andi@splitbrain.org>
+     * @author Rene Hadler <rene.hadler@iteas.at>
+     * @author Ekkart Kleinod <ekleinod@edgesoft.de>
+     */
+    function print_index($ns) {
+        require_once(DOKU_PLUGIN.'indexmenu/syntax/indexmenu.php');
+        global $conf;
+        $idxm     = new syntax_plugin_indexmenu_indexmenu();
+        $ns       = $idxm->_parse_ns(rawurldecode($ns));
+        $level    = -1;
+        $max      = 0;
+        $data     = array();
+        $skipfile = array();
+        $skipns   = array();
+        $maxcount = 0;
+
+        if($_REQUEST['max'] > 0) {
+            $max   = $_REQUEST['max'];
+            $level = $max;
+        }
+        $nss         = ($_REQUEST['nss']) ? cleanID($_REQUEST['nss']) : '';
+        $idxm->sort  = $_REQUEST['sort'];
+        $idxm->msort = $_REQUEST['msort'];
+        $idxm->rsort = $_REQUEST['rsort'];
+        $idxm->nsort = $_REQUEST['nsort'];
+        $idxm->hsort = $_REQUEST['hsort'];
+        $fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
+
+        $skipf = utf8_decodeFN($_REQUEST['skipfile']);
+        $skipfile[] = $this->getConf('skip_file');
+        if(isset($skipf)) {
+            $index = 0;
+            if($skipf[1] == '+') {
+                $index = 1;
+            }
+            $skipfile[$index] = substr($skipf, 1);
+        }
+        $skipn = utf8_decodeFN($_REQUEST['skipns']);
+        $skipns[] = $this->getConf('skip_index');
+        if(isset($skipn)) {
+            $index = 0;
+            if($skipn[1] == '+') {
+                $index = 1;
+            }
+            $skipns[$index] = substr($skipn, 1);
+        }
+
+        if($_REQUEST['maxcount'] > 0) {
+            $maxcount = $_REQUEST['maxcount'];
+        }
+
+        $opts = array(
+            'level'         => $level,
+            'nons'          => $_REQUEST['nons'],
+            'nss'           => array(array($nss, 1)),
+            'max'           => $max,
+            'js'            => false,
+            'nopg'          => $_REQUEST['nopg'],
+            'skip_index'    => $skipns,
+            'skip_file'     => $skipfile,
+            'headpage'      => $idxm->getConf('headpage'),
+            'hide_headpage' => $idxm->getConf('hide_headpage')
+        );
+        if($idxm->sort || $idxm->msort || $idxm->rsort || $idxm->hsort) {
+            $idxm->_search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
+        } else {
+            search($data, $conf['datadir'], array($idxm, '_search_index'), $opts, $fsdir);
+        }
+
+        if($maxcount > 0) {
+            // reduce items in array to maxcount, preserving keys
+            $data = array_slice($data, 0, $maxcount, true);
+        }
+
+        $out = '';
+        if($_REQUEST['nojs']) {
+            require_once(DOKU_INC.'inc/html.php');
+            $out_tmp = html_buildlist($data, 'idx', array($idxm, "_html_list_index"), "html_li_index");
+            $out .= preg_replace('/<ul class="idx">(.*)<\/ul>/s', "$1", $out_tmp);
+        } else {
+            $nodes = $idxm->_jsnodes($data, '', 0);
+            $out .= "ajxnodes = [";
+            $out .= rtrim($nodes[0], ",");
+            $out .= "];";
+        }
+        return $out;
+    }
 }
diff --git a/syntax/indexmenu.php b/syntax/indexmenu.php
index fc0595e..8c510b3 100644
--- a/syntax/indexmenu.php
+++ b/syntax/indexmenu.php
@@ -18,960 +18,970 @@
  */
 class syntax_plugin_indexmenu_indexmenu extends DokuWiki_Syntax_Plugin {
 
-		var $sort = false;
-		var $msort = false;
-		var $rsort = false;
-		var $nsort = false;
-		var $hsort = false;
-
-		/**
-		 * What kind of syntax are we?
-		 */
-		public function getType() {
-				return 'substition';
-		}
-
-		/**
-		 * Behavior regarding the paragraph
-		 */
-		public function getPType() {
-				return 'block';
-		}
-
-		/**
-		 * Where to sort in?
-		 */
-		public function getSort() {
-				return 138;
-		}
-
-		/**
-		 * Connect pattern to lexer
-		 */
-		public function connectTo($mode) {
-				$this->Lexer->addSpecialPattern('{{indexmenu>.+?}}', $mode, 'plugin_indexmenu_indexmenu');
-		}
-
-		/**
-		 * Handler to prepare matched data for the rendering process
-		 *
-		 * @param   string       $match   The text matched by the patterns
-		 * @param   int          $state   The lexer state for the match
-		 * @param   int          $pos     The character position of the matched text
-		 * @param   Doku_Handler $handler The Doku_Handler object
-		 * @return  array Return an array with all data you want to use in render
-		 */
-		public function handle($match, $state, $pos, Doku_Handler $handler) {
-				$theme    = 'default';
-				$level    = -1;
-				$gen_id   = 'random';
-				$maxjs    = 0;
-				$max      = 0;
-				$jsajax   = '';
-				$nss      = array();
-				$skipns   = array();
-				$skipfile = array();
-				$maxcount = 0;
-
-				$defaultsstr = $this->getConf('defaultoptions');
-				$defaults = explode(' ', $defaultsstr);
-
-				$match = substr($match, 12, -2);
-				//split namespace,level,theme
-				list($nsstr, $optsstr) = explode('|', $match, 2);
-				//split options
-				$opts = explode(' ', $optsstr);
-
-				//Context option
-				$context = $this->hasOption($defaults, $opts, 'context');
-
-				//split optional namespaces
-				$nss_temp = preg_split("/ /u", $nsstr, -1, PREG_SPLIT_NO_EMPTY);
-				//Array optional namespace => level
-				for($i = 1; $i < count($nss_temp); $i++) {
-						$nsss = preg_split("/#/u", $nss_temp[$i]);
-						if(!$context) {
-								$nsss[0] = $this->_parse_ns($nsss[0]);
-						}
-						$nss[] = array($nsss[0], (is_numeric($nsss[1])) ? $nsss[1] : $level);
-				}
-				//split main requested namespace
-				if(preg_match('/(.*)#(\S*)/u', $nss_temp[0], $ns_opt)) {
-						//split level
-						$ns = $ns_opt[1];
-						if(is_numeric($ns_opt[2])) $level = $ns_opt[2];
-				} else {
-						$ns = $nss_temp[0];
-				}
-				if(!$context) {
-						$ns = $this->_parse_ns($ns);
-				}
-
-				//nocookie option (disable for uncached pages)
-				$nocookie = $context || $this->hasOption($defaults, $opts, 'nocookie');
-				//noscroll option
-				$noscroll = $this->hasOption($defaults, $opts, 'noscroll');
-				//Open at current namespace option
-				$navbar = $this->hasOption($defaults, $opts, 'navbar');
-				//no namespaces  options
-				$nons = $this->hasOption($defaults, $opts, 'nons');
-				//no pages option
-				$nopg = $this->hasOption($defaults, $opts, 'nopg');
-				//disable toc preview
-				$notoc = $this->hasOption($defaults, $opts, 'notoc');
-				//disable the right context menu
-				$nomenu = $this->hasOption($defaults, $opts, 'nomenu');
-				//Main sort method
-				$tsort = $this->hasOption($defaults, $opts, 'tsort');
-				$dsort = $this->hasOption($defaults, $opts, 'dsort');
-				if($tsort) {
-						$sort = 't';
-				} elseif($dsort) {
-						$sort = 'd';
-				} else $sort = 0;
-				//sort directories in the same way as files
-				$nsort = $this->hasOption($defaults, $opts, 'nsort');
-				//sort headpages up
-				$hsort = $this->hasOption($defaults, $opts, 'hsort');
-				//Metadata sort method
-				if($msort = $this->hasOption($defaults, $opts, 'msort')) {
-						$msort = 'indexmenu_n';
-				} elseif($value = $this->getOption($defaultsstr, $optsstr, '/msort#(\S+)/u')) {
-						$msort = str_replace(':', ' ', $value);
-				}
-				//reverse sort
-				$rsort = $this->hasOption($defaults, $opts, 'rsort');
-
-				if($sort) $jsajax .= "&sort=" . $sort;
-				if($msort) $jsajax .= "&msort=" . $msort;
-				if($rsort) $jsajax .= "&rsort=1";
-				if($nsort) $jsajax .= "&nsort=1";
-				if($hsort) $jsajax .= "&hsort=1";
-				if($nopg) $jsajax .= "&nopg=1";
-
-				//javascript option
-				$dir = '';
-				//check defaults for js,js#theme, #theme
-				if(!$js = in_array('js', $defaults)) {
-						if(preg_match('/(?:^|\s)(js)?#(\S*)/u', $defaultsstr, $match_djs) > 0) {
-								if(!empty($match_djs[1])) $js = true;
-								if(isset($match_djs[2])) $dir = $match_djs[2];
-						}
-				}
-				//check opts for nojs,#theme or js,js#theme
-				if($js) {
-						if(in_array('nojs', $opts)) {
-								$js = false;
-						} else {
-								if(preg_match('/(?:^|\s)(?:js)?#(\S*)/u', $optsstr, $match_ojs) > 0) {
-										if(isset($match_ojs[1])) $dir = $match_ojs[1];
-								}
-						}
-				} else {
-						if($js = in_array('js', $opts)) {
-								//use theme from the defaults
-						} else {
-								if(preg_match('/(?:^|\s)js#(\S*)/u', $optsstr, $match_ojs) > 0) {
-										$js = true;
-										if(isset($match_ojs[1])) $dir = $match_ojs[1];
-								}
-						}
-				}
-
-				if($js) {
-						//exist theme?
-						if(!empty($dir) && is_dir(INDEXMENU_IMG_ABSDIR . "/" . $dir)) {
-								$theme = $dir;
-						}
-
-						//id generation method
-						$gen_id = $this->getOption($defaultsstr, $optsstr, '/id#(\S+)/u');
-
-						//max option
-						if($maxmatches = $this->getOption($defaultsstr, $optsstr, '/max#(\d+)($|\s+|#(\d+))/u', true)) {
-								$max = $maxmatches[1];
-								if($maxmatches[3]) {
-										$jsajax .= "&max=" . $maxmatches[3];
-								}
-								//disable cookie to avoid javascript errors
-								$nocookie = true;
-						} else {
-								$max = 0;
-						}
-
-						//max js option
-						if($maxjsvalue = $this->getOption($defaultsstr, $optsstr, '/maxjs#(\d+)/u')) {
-								$maxjs = $maxjsvalue;
-						}
-				}
-				if(is_numeric($gen_id)) {
-						$identifier = $gen_id;
-				} elseif($gen_id == 'ns') {
-						$identifier = sprintf("%u", crc32($ns));
-				} else {
-						$identifier = uniqid(rand());
-				}
-
-				//skip namespaces in index
-				$skipns[] = $this->getConf('skip_index');
-				if(preg_match('/skipns[\+=](\S+)/u', $optsstr, $sns) > 0) {
-						//first sign is: '+' (parallel to conf) or '=' (replace conf)
-						$action = $sns[0][6];
-						$index = 0;
-						if($action == '+') {
-								$index = 1;
-						}
-						$skipns[$index] = $sns[1];
-						$jsajax .= "&skipns=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sns[1]);
-				}
-				//skip file
-				$skipfile[] = $this->getConf('skip_file');
-				if(preg_match('/skipfile[\+=](\S+)/u', $optsstr, $sf) > 0) {
-						//first sign is: '+' (parallel to conf) or '=' (replace conf)
-						$action = $sf[0][8];
-						$index = 0;
-						if($action == '+') {
-								$index = 1;
-						}
-						$skipfile[$index] = $sf[1];
-						$jsajax .= "&skipfile=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sf[1]);
-				}
-
-				// check maxcount option
-				if($maxcountvalue = $this->getOption($defaultsstr, $optsstr, '/maxcount#(\d+)/u')) {
-						$maxcount = $maxcountvalue;
-				}
-
-
-				//js options
-				$js_opts = compact('theme', 'identifier', 'nocookie', 'navbar', 'noscroll', 'maxjs', 'notoc', 'jsajax', 'context', 'nomenu');
-
-				return array(
-						$ns,
-						$js_opts,
-						$sort,
-						$msort,
-						$rsort,
-						$nsort,
-						array(
-								'level'         => $level,
-								'nons'          => $nons,
-								'nopg'          => $nopg,
-								'nss'           => $nss,
-								'max'           => $max,
-								'js'            => $js,
-								'skip_index'    => $skipns,
-								'skip_file'     => $skipfile,
-								'headpage'      => $this->getConf('headpage'),
-								'hide_headpage' => $this->getConf('hide_headpage')
-						),
-						$hsort,
-						$maxcount
-				);
-		}
-
-
-		/**
-		 * Looks if the default options and syntax options has the requested option
-		 *
-		 * @param array  $defaultsopts array of default options
-		 * @param array  $opts         array of options provided via syntax
-		 * @param string $optionname   name of requested option
-		 * @return bool has optionname?
-		 */
-		private function hasOption($defaultsopts, $opts, $optionname) {
-				$name = $optionname;
-				if(substr($optionname, 0, 2) == 'no') {
-						$inversename = substr($optionname, 2);
-				} else {
-						$inversename = 'no' . $optionname;
-				}
-
-				if(in_array($name, $defaultsopts)) {
-						return !in_array($inversename, $opts);
-				} else {
-						return in_array($name, $opts);
-				}
-		}
-
-		/**
-		 * Looks for the value of the requested option in the default options and syntax options
-		 *
-		 * @param string $defaultsstr     default options string
-		 * @param string $optsstr         syntax options string
-		 * @param string $matchpattern    pattern to search for
-		 * @param bool   $multiplematches if multiple returns array, otherwise the first match
-		 * @return string|array
-		 */
-		private function getOption($defaultsstr, $optsstr, $matchpattern, $multiplematches = false) {
-				if(preg_match($matchpattern, $optsstr, $match_o) > 0) {
-						if($multiplematches) {
-								return $match_o;
-						} else {
-								return $match_o[1];
-						}
-				} elseif(preg_match($matchpattern, $defaultsstr, $match_d) > 0) {
-						if($multiplematches) {
-								return $match_d;
-						} else {
-								return $match_d[1];
-						}
-				}
-				return false;
-		}
-
-		/**
-		 * Handles the actual output creation.
-		 *
-		 * @param   $mode   string          output format being rendered
-		 * @param   $renderer Doku_Renderer the current renderer object
-		 * @param   $data     array         data created by handler()
-		 * @return  boolean                 rendered correctly?
-		 */
-		public function render($mode, Doku_Renderer $renderer, $data) {
-				global $ACT;
-				global $conf;
-				global $INFO;
-				if($mode == 'xhtml') {
-						/** @var Doku_Renderer_xhtml $renderer */
-						if($ACT == 'preview') {
-								//Check user permission to display indexmenu in a preview page
-								if($this->getConf('only_admins') &&
-										$conf['useacl'] &&
-										$INFO['perm'] < AUTH_ADMIN
-								)
-										return false;
-								//disable cookies
-								$data[1]['nocookie'] = true;
-						}
-						//Navbar with nojs
-						if($data[1]['navbar'] && !$data[6]['js']) {
-								if(!isset($data[0])) $data[0] = '..';
-								$data[6]['nss'][]        = array(getNS($INFO['id']));
-								$renderer->info['cache'] = FALSE;
-						}
-
-						if($data[1]['context']) {
-								//resolve current id relative namespaces
-								$data[0] = $this->_parse_ns($data[0], $INFO['id']);
-								foreach($data[6]['nss'] as $key=> $value) {
-										$data[6]['nss'][$key][0] = $this->_parse_ns($value[0], $INFO['id']);
-								}
-								$renderer->info['cache'] = FALSE;
-						}
-						$n = $this->_indexmenu($data);
-						if(!@$n) {
-								$n = $this->getConf('empty_msg');
-								$n = str_replace('{{ns}}', cleanID($data[0]), $n);
-								$n = p_render('xhtml', p_get_instructions($n), $info);
-						}
-						$renderer->doc .= $n;
-						return true;
-				} else if($mode == 'metadata') {
-						/** @var Doku_Renderer_metadata $renderer */
-						if(!($data[1]['navbar'] && !$data[6]['js']) && !$data[1]['context']) {
-								//this is an indexmenu page that needs the PARSER_CACHE_USE event trigger;
-								$renderer->meta['indexmenu'] = TRUE;
-						}
-						$renderer->doc .= ((empty($data[0])) ? $conf['title'] : nons($data[0]))." index\n\n";
-						unset($renderer->persistent['indexmenu']);
-						return true;
-				} else {
-						return false;
-				}
-		}
-
-		/**
-		 * Return the index
-		 *
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 *
-		 * This function is a simple hack of Dokuwiki @see html_index($ns)
-		 * @author Andreas Gohr <andi@splitbrain.org>
-		 *
-		 * @param array $myns the options for indexmenu
-		 * @return bool|string return html for a nojs index and when enabled the js rendered index, otherwise false
-		 */
-		private function _indexmenu($myns) {
-				global $conf;
-				$ns          = $myns[0];
-				$js_opts     = $myns[1]; //theme, identifier, nocookie, navbar, noscroll, maxjs, notoc, jsajax, context, nomenu
-				$this->sort  = $myns[2];
-				$this->msort = $myns[3];
-				$this->rsort = $myns[4];
-				$this->nsort = $myns[5];
-				$opts        = $myns[6]; //level, nons, nopg, nss, max, js, skip_index, skip_file, headpage, hide_headpage
-				$this->hsort = $myns[7];
-				$data        = array();
-				$js_name     = "indexmenu_".$js_opts['identifier'];
-				$fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
-				if($this->sort || $this->msort || $this->rsort || $this->hsort) {
-						$this->_search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
-				} else {
-						search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
-				}
-				if(!$data) return false;
-
-				// javascript index
-				$output_tmp = "";
-				if($opts['js']) {
-						$ns         = str_replace('/', ':', $ns);
-						$output_tmp = $this->_jstree($data, $ns, $js_opts, $js_name, $opts['max']);
-
-						//remove unwanted nodes from standard index
-						$this->_clean_data($data);
-				}
-
-				// Nojs dokuwiki index
-				//    extra div needed when index is first element in sidebar of dokuwiki template, template uses this to toggle sidebar
-				//    the toggle interacts with hide needed for js option.
-				$output = "\n";
-				$output .= '<div><div id="nojs_'.$js_name.'" data-jsajax="'.utf8_encodeFN($js_opts['jsajax']).'" class="indexmenu_nojs">'."\n";
-				$output .= html_buildlist($data, 'idx', array($this, "_html_list_index"), "html_li_index");
-				$output .= "</div></div>\n";
-				$output .= $output_tmp;
-				$output .= 'etgtest';
-				return $output;
-		}
-
-		/**
-		 * Build the browsable index of pages using javascript
-		 *
-		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
-		 * @author  Rene Hadler
-		 *
-		 * @param array  $data    array with items of the tree
-		 * @param string $ns      requested namespace
-		 * @param array  $js_opts options for javascript renderer
-		 * @param string $js_name identifier for this index
-		 * @param int    $max     the node at $max level will retrieve all its child nodes through the AJAX mechanism
-		 * @return bool|string returns inline javascript or false
-		 */
-		private function _jstree($data, $ns, $js_opts, $js_name, $max) {
-				global $conf;
-				$hns = false;
-				if(empty($data)) return false;
-
-				//Render requested ns as root
-				$headpage = $this->getConf('headpage');
-				//if rootnamespace and headpage, then add startpage as headpage - TODO seems not logic, when desired use $conf[headpage]=:start: ??
-				if(empty($ns) && !empty($headpage)) $headpage .= ','.$conf['start'];
-				$title = $this->_getTitle($ns, $headpage, $hns);
-				if(empty($title)) {
-						if(empty($ns)){
-								$title = htmlspecialchars($conf['title'], ENT_QUOTES);
-						} else{
-								$title = $ns;
-						}
-				}
-				// inline javascript
-				$out = "<script type='text/javascript' charset='utf-8'>\n";
-				$out .= "<!--//--><![CDATA[//><!--\n";
-				$out .= "var $js_name = new dTree('".$js_name."','".$js_opts['theme']."');\n";
-				//javascript config options
-				$sepchar = idfilter(':', false);
-				$out .= "$js_name.config.urlbase='".substr(wl(":"), 0, -1)."';\n";
-				$out .= "$js_name.config.sepchar='".$sepchar."';\n";
-				if($js_opts['notoc'])          $out .= "$js_name.config.toc=false;\n";
-				if($js_opts['nocookie'])       $out .= "$js_name.config.useCookies=false;\n";
-				if($js_opts['noscroll'])       $out .= "$js_name.config.scroll=false;\n";
-				if($js_opts['maxjs'] > 0)      $out .= "$js_name.config.maxjs=".$js_opts['maxjs'].";\n";
-				if(!empty($js_opts['jsajax'])) $out .= "$js_name.config.jsajax='".utf8_encodeFN($js_opts['jsajax'])."';\n";
-				//add root node
-				$json = new JSON();
-				$out .= $js_name.".add('".idfilter(cleanID($ns), false)."',0,-1,".$json->encode($title);
-				if($hns) $out .= ",'".idfilter(cleanID($hns), false)."'";
-				$out .= ");\n";
-				//add nodes
-				$anodes = $this->_jsnodes($data, $js_name);
-				$out .= $anodes[0];
-				//write to document
-				$out .= "document.write(".$js_name.");\n";
-				//initialize index
-				$out .= "jQuery(function(){".$js_name.".init(";
-				$out .= (int) is_file(INDEXMENU_IMG_ABSDIR.'/'.$js_opts['theme'].'/style.css').",";
-				$out .= (int) $js_opts['nocookie'].",";
-				$out .= '"'.$anodes[1].'",';
-				$out .= (int) $js_opts['navbar'].",";
-				$out .= (int) $max;
-				if($js_opts['nomenu']) $out .= ",1";
-				$out .= ");});\n";
-
-				$out .= "//--><!]]>\n";
-				$out .= "</script>\n";
-				return $out;
-		}
-
-		/**
-		 * Return array of javascript nodes and nodes to open.
-		 *
-		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
-		 * @param array  $data    array with items of the tree
-		 * @param string $js_name identifier for this index
-		 * @param int    $noajax  return as inline js (=1) or array for ajax response (=0)
-		 * @return array|bool returns array with
-		 *     - a string of the javascript nodes
-		 *     - and a string of space separated numbers of the opened nodes
-		 *    or false when no data provided
-		 */
-		public function _jsnodes($data, $js_name, $noajax = 1) {
-				if(empty($data)) return false;
-				//Array of nodes to check
-				$q = array('0');
-				//Current open node
-				$node  = 0;
-				$out   = '';
-				$extra = '';
-				if($noajax) {
-						$jscmd = $js_name.".add";
-						$separator   = ";\n";
-				} else {
-						$jscmd = "new Array ";
-						$separator   = ",";
-				}
-				$json = new JSON();
-				foreach($data as $i=> $item) {
-						$i++;
-						//Remove already processed nodes (greater level = lower level)
-						while($item['level'] <= $data[end($q) - 1]['level']) {
-								array_pop($q);
-						}
-
-						//till i found its father node
-						if($item['level'] == 1) {
-								//root node
-								$father = '0';
-						} else {
-								//Father node
-								$father = end($q);
-						}
-						//add node and its options
-						if($item['type'] == 'd') {
-								//Search the lowest open node of a tree branch in order to open it.
-								if($item['open']) ($item['level'] < $data[$node]['level']) ? $node = $i : $extra .= "$i ";
-								//insert node in last position
-								array_push($q, $i);
-						}
-						$out .= $jscmd."('".idfilter($item['id'], false)."',$i,".$father.",".$json->encode($item['title']);
-						//hns
-						($item['hns']) ? $out .= ",'".idfilter($item['hns'], false)."'" : $out .= ",0";
-						($item['type'] == 'd' || $item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
-						//MAX option
-						($item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
-						$out .= ")".$separator;
-				}
-				$extra = rtrim($extra, ' ');
-				return array($out, $extra);
-		}
-
-		/**
-		 * Get namespace title, checking for headpages
-		 *
-		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
-		 * @param string $ns namespace
-		 * @param string $headpage commaseparated headpages options and headpages
-		 * @param string $hns reference pageid of headpage, false when not existing
-		 * @return string when headpage & heading on: title of headpage, otherwise: namespace name
-		 */
-		private function _getTitle($ns, $headpage, &$hns) {
-				global $conf;
-				$hns   = false;
-				$title = noNS($ns);
-				if(empty($headpage)) return $title;
-				$ahp = explode(",", $headpage);
-				foreach($ahp as $hp) {
-						switch($hp) {
-								case ":inside:":
-										$page = $ns.":".noNS($ns);
-										break;
-								case ":same:":
-										$page = $ns;
-										break;
-								//it's an inside start
-								case ":start:":
-										$page = ltrim($ns.":".$conf['start'], ":");
-										break;
-								//inside pages
-								default:
-										$page = $ns.":".$hp;
-						}
-						//check headpage
-						if(@file_exists(wikiFN($page)) && auth_quickaclcheck($page) >= AUTH_READ) {
-								if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
-										$title_tmp = p_get_first_heading($page, FALSE);
-										if(!is_null($title_tmp)) $title = $title_tmp;
-								}
-								$title = htmlspecialchars($title, ENT_QUOTES);
-								$hns   = $page;
-								//headpage found, exit for
-								break;
-						}
-				}
-				return $title;
-		}
-
-		/**
-		 * Parse namespace request
-		 *
-		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
-		 * @param string $ns namespaceid
-		 * @param bool   $id page id to resolve $ns relative to.
-		 * @return string id of namespace
-		 */
-		public function _parse_ns($ns, $id = FALSE) {
-				if(!$id) {
-						global $ID;
-						$id = $ID;
-				}
-				//Just for old reelases compatibility
-				if(empty($ns) || $ns == '..') $ns = ":..";
-				return resolve_id(getNS($id), $ns);
-		}
-
-		/**
-		 * Clean index data from unwanted nodes in nojs mode.
-		 *
-		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
-		 * @param array $data nodes of the tree
-		 * @return void
-		 */
-		private function _clean_data(&$data) {
-				foreach($data as $i=> $item) {
-						//closed node
-						if($item['type'] == "d" && !$item['open']) {
-								$a     = $i + 1;
-								$level = $data[$i]['level'];
-								//search and remove every lower and closed nodes
-								while($data[$a]['level'] > $level && !$data[$a]['open']) {
-										unset($data[$a]);
-										$a++;
-								}
-						}
-				}
-		}
-
-		/**
-		 * Callback that adds an item of namespace/page to the browsable index, if it fits in the specified options
-		 *
-		 * $opts['skip_index'] string regexp matching namespaceids to skip
-		 * $opts['skip_file']  string regexp matching pageids to skip
-		 * $opts['headpage']   string headpages options or pageids
-		 * $opts['level']      int    desired depth of main namespace, -1 = all levels
-		 * $opts['nss']        array with entries: array(namespaceid,level) specifying namespaces with their own level
-		 * $opts['nons']       bool   exclude namespace nodes
-		 * $opts['max']        int    If initially closed, the node at max level will retrieve all its child nodes through the AJAX mechanism
-		 * $opts['nopg']       bool   exclude page nodes
-		 * $opts['hide_headpage'] int don't hide (0) or hide (1)
-		 * $opts['js']         bool   use js-render
-		 *
-		 * @author  Andreas Gohr <andi@splitbrain.org>
-		 * modified by Samuele Tognini <samuele@samuele.netsons.org>
-		 * @param array  $data Already collected nodes
-		 * @param string $base Where to start the search, usually this is $conf['datadir']
-		 * @param string $file Current file or directory relative to $base
-		 * @param string $type Type either 'd' for directory or 'f' for file
-		 * @param int    $lvl  Current recursion depht
-		 * @param array  $opts Option array as given to search(), see above.
-		 * @return bool if this directory should be traversed (true) or not (false)
-		 */
-		public function _search_index(&$data, $base, $file, $type, $lvl, $opts) {
-				global $conf;
-				$hns        = false;
-				$isopen     = false;
-				$title      = null;
-				$skip_index = $opts['skip_index'];
-				$skip_file  = $opts['skip_file'];
-				$headpage   = $opts['headpage'];
-				$id         = pathID($file);
-				if($type == 'd') {
-						// Skip folders in plugin conf
-						foreach($skip_index as $skipi) {
-								if(!empty($skipi) && preg_match($skipi, $id))
-										return false;
-						}
-						//check ACL (for sneaky_index namespaces too).
-						if($conf['sneaky_index'] && auth_quickaclcheck($id.':') < AUTH_READ) return false;
-						//Open requested level
-						if($opts['level'] > $lvl || $opts['level'] == -1) $isopen = true;
-						//Search optional namespaces
-						if(!empty($opts['nss'])) {
-								$nss = $opts['nss'];
-								for($a = 0; $a < count($nss); $a++) {
-										if(preg_match("/^".$id."($|:.+)/i", $nss[$a][0], $match)) {
-												//It contains an optional namespace
-												$isopen = true;
-										} elseif(preg_match("/^".$nss[$a][0]."(:.*)/i", $id, $match)) {
-												//It's inside an optional namespace
-												if($nss[$a][1] == -1 || substr_count($match[1], ":") < $nss[$a][1]) {
-														$isopen = true;
-												} else {
-														$isopen = false;
-												}
-										}
-								}
-						}
-						if($opts['nons']) {
-								return $isopen;
-						} elseif($opts['max'] > 0 && !$isopen && $lvl >= $opts['max']) {
-								$isopen = false;
-								//Stop recursive searching
-								$return = false;
-								//change type
-								$type = "l";
-						} elseif($opts['js']) {
-								$return = true;
-						} else {
-								$return = $isopen;
-						}
-						//Set title and headpage
-						$title = $this->_getTitle($id, $headpage, $hns);
-						//link namespace nodes to start pages when excluding page nodes
-						if(!$hns && $opts['nopg']) $hns = $id.":".$conf['start'];
-				} else {
-						//Nopg.Dont show pages
-						if($opts['nopg']) return false;
-						$return = true;
-						//Nons.Set all pages at first level
-						if($opts['nons']) $lvl = 1;
-						//don't add
-						if(substr($file, -4) != '.txt') return false;
-						//check hiddens and acl
-						if(isHiddenPage($id) || auth_quickaclcheck($id) < AUTH_READ) return false;
-						//Skip files in plugin conf
-						foreach($skip_file as $skipf) {
-								if(!empty($skipf) && preg_match($skipf, $id))
-										return false;
-						}
-						//Skip headpages to hide
-						if(!$opts['nons'] && !empty($headpage) && $opts['hide_headpage']) {
-								//start page is in root
-								if($id == $conf['start']) return false;
-								$ahp = explode(",", $headpage);
-								foreach($ahp as $hp) {
-										switch($hp) {
-												case ":inside:":
-														if(noNS($id) == noNS(getNS($id))) return false;
-														break;
-												case ":same:":
-														if(@is_dir(dirname(wikiFN($id))."/".utf8_encodeFN(noNS($id)))) return false;
-														break;
-												//it' s an inside start
-												case ":start:":
-														if(noNS($id) == $conf['start']) return false;
-														break;
-												default:
-														if(noNS($id) == cleanID($hp)) return false;
-										}
-								}
-						}
-
-						//Set title
-						if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
-								$title = p_get_first_heading($id, FALSE);
-						}
-						if(is_null($title)) $title = noNS($id);
-						$title = htmlspecialchars($title, ENT_QUOTES);
-				}
-
-				$item         = array(
-						'id'     => $id,
-						'type'   => $type,
-						'level'  => $lvl,
-						'open'   => $isopen,
-						'title'  => $title,
-						'hns'    => $hns,
-						'file'   => $file,
-						'return' => $return
-				);
-				$item['sort'] = $this->_setorder($item);
-				$data[]       = $item;
-				return $return;
-		}
-
-		/**
-		 * Callback Index item formatter
-		 *
-		 * User function for @see html_buildlist()
-		 *
-		 * @author Andreas Gohr <andi@splitbrain.org>
-		 * @author Samuele Tognini <samuele@samuele.netsons.org>
-		 * @author Rik Blok
-		 *
-		 * @param array $item item described by array with at least the entries
-		 *          - id    page id/namespace id
-		 *          - type  'd', 'l'(directory which is not yet opened) or 'f'
-		 *          - open  is node open
-		 *          - title title of link
-		 *          - hns   page id of headpage of the namespace or false
-		 * @return string html of the content of a list item
-		 */
-		public function _html_list_index($item) {
-				global $INFO;
-				$ret = '';
-
-				//namespace
-				if($item['type'] == 'd' || $item['type'] == 'l') {
-						$markCurrentPage = false;
-
-						$link = $item['id'];
-						$more = 'idx='.$item['id'];
-						//namespace link
-						if($item['hns']) {
-								$link  = $item['hns'];
-								$tagid = "indexmenu_idx_head";
-								$more  = '';
-								//current page is shown?
-								$markCurrentPage = $this->getConf('hide_headpage') && $item['hns'] == $INFO['id'];
-						} else {
-								//namespace without headpage
-								$tagid = "indexmenu_idx";
-								if($item['open']) $tagid .= ' open';
-						}
-
-						if($markCurrentPage) $ret .= '<span class="curid">';
-						$ret .= '<a href="'.wl($link, $more).'" class="'.$tagid.'">';
-						$ret .= $item['title'];
-						$ret .= '</a>';
-						if($markCurrentPage) $ret .= '</span>';
-				} else {
-						//page link
-						$ret .= html_wikilink(':'.$item['id']);
-				}
-				return $ret;
-		}
-
-		/**
-		 * callback that recurse directory
-		 *
-		 * This function recurses into a given base directory
-		 * and calls the supplied function for each file and directory
-		 *
-		 * Similar to search() of inc/search.php, but has extended sorting options
-		 *
-		 * @param   array     $data The results of the search are stored here
-		 * @param   string    $base Where to start the search
-		 * @param   callback  $func Callback (function name or array with object,method)
-		 * @param   array     $opts List of indexmenu options
-		 * @param   string    $dir  Current directory beyond $base
-		 * @param   int       $lvl  Recursion Level
-		 *
-		 * @author  Andreas Gohr <andi@splitbrain.org>
-		 * @author  modified by Samuele Tognini <samuele@samuele.netsons.org>
-		 */
-		public function _search(&$data, $base, $func, $opts, $dir = '', $lvl = 1) {
-				$dirs      = array();
-				$files     = array();
-				$files_tmp = array();
-				$dirs_tmp  = array();
-				$count = count($data);
-
-				//read in directories and files
-				$dh = @opendir($base.'/'.$dir);
-				if(!$dh) return;
-				while(($file = readdir($dh)) !== false) {
-						//skip hidden files and upper dirs
-						if(preg_match('/^[\._]/', $file)) continue;
-						if(is_dir($base.'/'.$dir.'/'.$file)) {
-								$dirs[] = $dir.'/'.$file;
-								continue;
-						}
-						$files[] = $dir.'/'.$file;
-				}
-				closedir($dh);
-
-				//Collect and sort dirs
-				if($this->nsort) {
-						//collect the wanted directories in dirs_tmp
-						foreach($dirs as $dir) {
-								call_user_func_array($func, array(&$dirs_tmp, $base, $dir, 'd', $lvl, $opts));
-						}
-						//sort directories
-						usort($dirs_tmp, array($this, "_cmp"));
-						//add and search each directory
-						foreach($dirs_tmp as $dir) {
-								$data[] = $dir;
-								if($dir['return']) {
-										$this->_search($data, $base, $func, $opts, $dir['file'], $lvl + 1);
-								}
-						}
-				} else {
-						//sort by page name
-						sort($dirs);
-						//collect directories
-						foreach($dirs as $dir) {
-								if(call_user_func_array($func, array(&$data, $base, $dir, 'd', $lvl, $opts))) {
-										$this->_search($data, $base, $func, $opts, $dir, $lvl + 1);
-								}
-						}
-				}
-
-				//Collect and sort files
-				foreach($files as $file) {
-						call_user_func_array($func, array(&$files_tmp, $base, $file, 'f', $lvl, $opts));
-				}
-				usort($files_tmp, array($this, "_cmp"));
-
-				//count added items
-				$added = count($data) - $count;
-
-				if($added === 0 && empty($files_tmp)) {
-						//remove empty directory again, only if it has not a headpage associated
-						$v = end($data);
-						if(!$v['hns']) array_pop($data);
-				} else {
-						//add files to index
-						$data = array_merge($data, $files_tmp);
-				}
-		}
-
-		/**
-		 * callback that sorts nodes
-		 *
-		 * @param array $a first node as array with 'sort' entry
-		 * @param array $b second node as array with 'sort' entry
-		 * @return int if less than zero 1st node is less than 2nd, otherwise equal respectively larger
-		 */
-		private function _cmp($a, $b) {
-				if($this->rsort) {
-						return strnatcasecmp($b['sort'], $a['sort']);
-				} else {
-						return strnatcasecmp($a['sort'], $b['sort']);
-				}
-		}
-
-		/**
-		 * Add sort information to item.
-		 *
-		 * @author  Samuele Tognini <samuele@samuele.netsons.org>
-		 *
-		 * @param array $item
-		 * @return bool|int|mixed|string
-		 */
-		private function _setorder($item) {
-				global $conf;
-
-				$sort = false;
-				$page = false;
-				if($item['type'] == 'd' || $item['type'] == 'l') {
-						//Fake order info when nsort is not requested
-						($this->nsort) ? $page = $item['hns'] : $sort = 0;
-				}
-				if($item['type'] == 'f') $page = $item['id'];
-				if($page) {
-						if($this->hsort && noNS($item['id']) == $conf['start']) $sort = 1;
-						if($this->msort) $sort = p_get_metadata($page, $this->msort);
-						if(!$sort && $this->sort) {
-								switch($this->sort) {
-										case 't':
-												$sort = $item['title'];
-												break;
-										case 'd':
-												$sort = @filectime(wikiFN($page));
-												break;
-								}
-						}
-				}
-				if($sort === false) $sort = noNS($item['id']);
-				return $sort;
-		}
+    var $sort = false;
+    var $msort = false;
+    var $rsort = false;
+    var $nsort = false;
+    var $hsort = false;
+
+    /**
+     * What kind of syntax are we?
+     */
+    public function getType() {
+        return 'substition';
+    }
+
+    /**
+     * Behavior regarding the paragraph
+     */
+    public function getPType() {
+        return 'block';
+    }
+
+    /**
+     * Where to sort in?
+     */
+    public function getSort() {
+        return 138;
+    }
+
+    /**
+     * Connect pattern to lexer
+     */
+    public function connectTo($mode) {
+        $this->Lexer->addSpecialPattern('{{indexmenu>.+?}}', $mode, 'plugin_indexmenu_indexmenu');
+    }
+
+    /**
+     * Handler to prepare matched data for the rendering process
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Ekkart Kleinod <ekleinod@edgesoft.de>
+     *
+     * @param   string       $match   The text matched by the patterns
+     * @param   int          $state   The lexer state for the match
+     * @param   int          $pos     The character position of the matched text
+     * @param   Doku_Handler $handler The Doku_Handler object
+     * @return  array Return an array with all data you want to use in render
+     */
+    public function handle($match, $state, $pos, Doku_Handler $handler) {
+        $theme    = 'default';
+        $level    = -1;
+        $gen_id   = 'random';
+        $maxjs    = 0;
+        $max      = 0;
+        $jsajax   = '';
+        $nss      = array();
+        $skipns   = array();
+        $skipfile = array();
+        $maxcount = 0;
+
+        $defaultsstr = $this->getConf('defaultoptions');
+        $defaults = explode(' ', $defaultsstr);
+
+        $match = substr($match, 12, -2);
+        //split namespace,level,theme
+        list($nsstr, $optsstr) = explode('|', $match, 2);
+        //split options
+        $opts = explode(' ', $optsstr);
+
+        //Context option
+        $context = $this->hasOption($defaults, $opts, 'context');
+
+        //split optional namespaces
+        $nss_temp = preg_split("/ /u", $nsstr, -1, PREG_SPLIT_NO_EMPTY);
+        //Array optional namespace => level
+        for($i = 1; $i < count($nss_temp); $i++) {
+            $nsss = preg_split("/#/u", $nss_temp[$i]);
+            if(!$context) {
+                $nsss[0] = $this->_parse_ns($nsss[0]);
+            }
+            $nss[] = array($nsss[0], (is_numeric($nsss[1])) ? $nsss[1] : $level);
+        }
+        //split main requested namespace
+        if(preg_match('/(.*)#(\S*)/u', $nss_temp[0], $ns_opt)) {
+            //split level
+            $ns = $ns_opt[1];
+            if(is_numeric($ns_opt[2])) $level = $ns_opt[2];
+        } else {
+            $ns = $nss_temp[0];
+        }
+        if(!$context) {
+            $ns = $this->_parse_ns($ns);
+        }
+
+        //nocookie option (disable for uncached pages)
+        $nocookie = $context || $this->hasOption($defaults, $opts, 'nocookie');
+        //noscroll option
+        $noscroll = $this->hasOption($defaults, $opts, 'noscroll');
+        //Open at current namespace option
+        $navbar = $this->hasOption($defaults, $opts, 'navbar');
+        //no namespaces  options
+        $nons = $this->hasOption($defaults, $opts, 'nons');
+        //no pages option
+        $nopg = $this->hasOption($defaults, $opts, 'nopg');
+        //disable toc preview
+        $notoc = $this->hasOption($defaults, $opts, 'notoc');
+        //disable the right context menu
+        $nomenu = $this->hasOption($defaults, $opts, 'nomenu');
+        //Main sort method
+        $tsort = $this->hasOption($defaults, $opts, 'tsort');
+        $dsort = $this->hasOption($defaults, $opts, 'dsort');
+        if($tsort) {
+            $sort = 't';
+        } elseif($dsort) {
+            $sort = 'd';
+        } else $sort = 0;
+        //sort directories in the same way as files
+        $nsort = $this->hasOption($defaults, $opts, 'nsort');
+        //sort headpages up
+        $hsort = $this->hasOption($defaults, $opts, 'hsort');
+        //Metadata sort method
+        if($msort = $this->hasOption($defaults, $opts, 'msort')) {
+            $msort = 'indexmenu_n';
+        } elseif($value = $this->getOption($defaultsstr, $optsstr, '/msort#(\S+)/u')) {
+            $msort = str_replace(':', ' ', $value);
+        }
+        //reverse sort
+        $rsort = $this->hasOption($defaults, $opts, 'rsort');
+
+        if($sort) $jsajax .= "&sort=" . $sort;
+        if($msort) $jsajax .= "&msort=" . $msort;
+        if($rsort) $jsajax .= "&rsort=1";
+        if($nsort) $jsajax .= "&nsort=1";
+        if($hsort) $jsajax .= "&hsort=1";
+        if($nopg) $jsajax .= "&nopg=1";
+
+        //javascript option
+        $dir = '';
+        //check defaults for js,js#theme, #theme
+        if(!$js = in_array('js', $defaults)) {
+            if(preg_match('/(?:^|\s)(js)?#(\S*)/u', $defaultsstr, $match_djs) > 0) {
+                if(!empty($match_djs[1])) $js = true;
+                if(isset($match_djs[2])) $dir = $match_djs[2];
+            }
+        }
+        //check opts for nojs,#theme or js,js#theme
+        if($js) {
+            if(in_array('nojs', $opts)) {
+                $js = false;
+            } else {
+                if(preg_match('/(?:^|\s)(?:js)?#(\S*)/u', $optsstr, $match_ojs) > 0) {
+                    if(isset($match_ojs[1])) $dir = $match_ojs[1];
+                }
+            }
+        } else {
+            if($js = in_array('js', $opts)) {
+                //use theme from the defaults
+            } else {
+                if(preg_match('/(?:^|\s)js#(\S*)/u', $optsstr, $match_ojs) > 0) {
+                    $js = true;
+                    if(isset($match_ojs[1])) $dir = $match_ojs[1];
+                }
+            }
+        }
+
+        if($js) {
+            //exist theme?
+            if(!empty($dir) && is_dir(INDEXMENU_IMG_ABSDIR . "/" . $dir)) {
+                $theme = $dir;
+            }
+
+            //id generation method
+            $gen_id = $this->getOption($defaultsstr, $optsstr, '/id#(\S+)/u');
+
+            //max option
+            if($maxmatches = $this->getOption($defaultsstr, $optsstr, '/max#(\d+)($|\s+|#(\d+))/u', true)) {
+                $max = $maxmatches[1];
+                if($maxmatches[3]) {
+                    $jsajax .= "&max=" . $maxmatches[3];
+                }
+                //disable cookie to avoid javascript errors
+                $nocookie = true;
+            } else {
+                $max = 0;
+            }
+
+            //max js option
+            if($maxjsvalue = $this->getOption($defaultsstr, $optsstr, '/maxjs#(\d+)/u')) {
+                $maxjs = $maxjsvalue;
+            }
+        }
+        if(is_numeric($gen_id)) {
+            $identifier = $gen_id;
+        } elseif($gen_id == 'ns') {
+            $identifier = sprintf("%u", crc32($ns));
+        } else {
+            $identifier = uniqid(rand());
+        }
+
+        //skip namespaces in index
+        $skipns[] = $this->getConf('skip_index');
+        if(preg_match('/skipns[\+=](\S+)/u', $optsstr, $sns) > 0) {
+            //first sign is: '+' (parallel to conf) or '=' (replace conf)
+            $action = $sns[0][6];
+            $index = 0;
+            if($action == '+') {
+                $index = 1;
+            }
+            $skipns[$index] = $sns[1];
+            $jsajax .= "&skipns=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sns[1]);
+        }
+        //skip file
+        $skipfile[] = $this->getConf('skip_file');
+        if(preg_match('/skipfile[\+=](\S+)/u', $optsstr, $sf) > 0) {
+            //first sign is: '+' (parallel to conf) or '=' (replace conf)
+            $action = $sf[0][8];
+            $index = 0;
+            if($action == '+') {
+                $index = 1;
+            }
+            $skipfile[$index] = $sf[1];
+            $jsajax .= "&skipfile=" . utf8_encodeFN(($action == '+' ? '+' : '=') . $sf[1]);
+        }
+
+        // check maxcount option
+        if($maxcountvalue = $this->getOption($defaultsstr, $optsstr, '/maxcount#(\d+)/u')) {
+            $maxcount = $maxcountvalue;
+        }
+
+
+        //js options
+        $js_opts = compact('theme', 'identifier', 'nocookie', 'navbar', 'noscroll', 'maxjs', 'notoc', 'jsajax', 'context', 'nomenu');
+
+        return array(
+            $ns,
+            $js_opts,
+            $sort,
+            $msort,
+            $rsort,
+            $nsort,
+            array(
+                'level'         => $level,
+                'nons'          => $nons,
+                'nopg'          => $nopg,
+                'nss'           => $nss,
+                'max'           => $max,
+                'js'            => $js,
+                'skip_index'    => $skipns,
+                'skip_file'     => $skipfile,
+                'headpage'      => $this->getConf('headpage'),
+                'hide_headpage' => $this->getConf('hide_headpage')
+            ),
+            $hsort,
+            $maxcount
+        );
+    }
+
+
+    /**
+     * Looks if the default options and syntax options has the requested option
+     *
+     * @param array  $defaultsopts array of default options
+     * @param array  $opts         array of options provided via syntax
+     * @param string $optionname   name of requested option
+     * @return bool has optionname?
+     */
+    private function hasOption($defaultsopts, $opts, $optionname) {
+        $name = $optionname;
+        if(substr($optionname, 0, 2) == 'no') {
+            $inversename = substr($optionname, 2);
+        } else {
+            $inversename = 'no' . $optionname;
+        }
+
+        if(in_array($name, $defaultsopts)) {
+            return !in_array($inversename, $opts);
+        } else {
+            return in_array($name, $opts);
+        }
+    }
+
+    /**
+     * Looks for the value of the requested option in the default options and syntax options
+     *
+     * @param string $defaultsstr     default options string
+     * @param string $optsstr         syntax options string
+     * @param string $matchpattern    pattern to search for
+     * @param bool   $multiplematches if multiple returns array, otherwise the first match
+     * @return string|array
+     */
+    private function getOption($defaultsstr, $optsstr, $matchpattern, $multiplematches = false) {
+        if(preg_match($matchpattern, $optsstr, $match_o) > 0) {
+            if($multiplematches) {
+                return $match_o;
+            } else {
+                return $match_o[1];
+            }
+        } elseif(preg_match($matchpattern, $defaultsstr, $match_d) > 0) {
+            if($multiplematches) {
+                return $match_d;
+            } else {
+                return $match_d[1];
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Handles the actual output creation.
+     *
+     * @param   $mode   string          output format being rendered
+     * @param   $renderer Doku_Renderer the current renderer object
+     * @param   $data     array         data created by handler()
+     * @return  boolean                 rendered correctly?
+     */
+    public function render($mode, Doku_Renderer $renderer, $data) {
+        global $ACT;
+        global $conf;
+        global $INFO;
+        if($mode == 'xhtml') {
+            /** @var Doku_Renderer_xhtml $renderer */
+            if($ACT == 'preview') {
+                //Check user permission to display indexmenu in a preview page
+                if($this->getConf('only_admins') &&
+                    $conf['useacl'] &&
+                    $INFO['perm'] < AUTH_ADMIN
+                )
+                    return false;
+                //disable cookies
+                $data[1]['nocookie'] = true;
+            }
+            //Navbar with nojs
+            if($data[1]['navbar'] && !$data[6]['js']) {
+                if(!isset($data[0])) $data[0] = '..';
+                $data[6]['nss'][]        = array(getNS($INFO['id']));
+                $renderer->info['cache'] = FALSE;
+            }
+
+            if($data[1]['context']) {
+                //resolve current id relative namespaces
+                $data[0] = $this->_parse_ns($data[0], $INFO['id']);
+                foreach($data[6]['nss'] as $key=> $value) {
+                    $data[6]['nss'][$key][0] = $this->_parse_ns($value[0], $INFO['id']);
+                }
+                $renderer->info['cache'] = FALSE;
+            }
+            $n = $this->_indexmenu($data);
+            if(!@$n) {
+                $n = $this->getConf('empty_msg');
+                $n = str_replace('{{ns}}', cleanID($data[0]), $n);
+                $n = p_render('xhtml', p_get_instructions($n), $info);
+            }
+            $renderer->doc .= $n;
+            return true;
+        } else if($mode == 'metadata') {
+            /** @var Doku_Renderer_metadata $renderer */
+            if(!($data[1]['navbar'] && !$data[6]['js']) && !$data[1]['context']) {
+                //this is an indexmenu page that needs the PARSER_CACHE_USE event trigger;
+                $renderer->meta['indexmenu'] = TRUE;
+            }
+            $renderer->doc .= ((empty($data[0])) ? $conf['title'] : nons($data[0]))." index\n\n";
+            unset($renderer->persistent['indexmenu']);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Return the index
+     *
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     *
+     * This function is a simple hack of Dokuwiki @see html_index($ns)
+     * @author Andreas Gohr <andi@splitbrain.org>
+     * @author Ekkart Kleinod <ekleinod@edgesoft.de>
+     *
+     * @param array $myns the options for indexmenu
+     * @return bool|string return html for a nojs index and when enabled the js rendered index, otherwise false
+     */
+    private function _indexmenu($myns) {
+        global $conf;
+        $ns          = $myns[0];
+        $js_opts     = $myns[1]; //theme, identifier, nocookie, navbar, noscroll, maxjs, notoc, jsajax, context, nomenu
+        $this->sort  = $myns[2];
+        $this->msort = $myns[3];
+        $this->rsort = $myns[4];
+        $this->nsort = $myns[5];
+        $opts        = $myns[6]; //level, nons, nopg, nss, max, js, skip_index, skip_file, headpage, hide_headpage
+        $this->hsort = $myns[7];
+        $this->maxcount = $myns[8];
+        $data        = array();
+        $js_name     = "indexmenu_".$js_opts['identifier'];
+        $fsdir       = "/".utf8_encodeFN(str_replace(':', '/', $ns));
+        if($this->sort || $this->msort || $this->rsort || $this->hsort) {
+            $this->_search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
+        } else {
+            search($data, $conf['datadir'], array($this, '_search_index'), $opts, $fsdir);
+        }
+
+        if($this->maxcount > 0) {
+            // reduce items in array to maxcount, preserving keys
+            $data = array_slice($data, 0, $this->maxcount, true);
+        }
+
+        if(!$data) return false;
+
+        // javascript index
+        $output_tmp = "";
+        if($opts['js']) {
+            $ns         = str_replace('/', ':', $ns);
+            $output_tmp = $this->_jstree($data, $ns, $js_opts, $js_name, $opts['max']);
+
+            //remove unwanted nodes from standard index
+            $this->_clean_data($data);
+        }
+
+        // Nojs dokuwiki index
+        //    extra div needed when index is first element in sidebar of dokuwiki template, template uses this to toggle sidebar
+        //    the toggle interacts with hide needed for js option.
+        $output = "\n";
+        $output .= '<div><div id="nojs_'.$js_name.'" data-jsajax="'.utf8_encodeFN($js_opts['jsajax']).'" class="indexmenu_nojs">'."\n";
+        $output .= html_buildlist($data, 'idx', array($this, "_html_list_index"), "html_li_index");
+        $output .= "</div></div>\n";
+        $output .= $output_tmp;
+        return $output;
+    }
+
+    /**
+     * Build the browsable index of pages using javascript
+     *
+     * @author  Samuele Tognini <samuele@samuele.netsons.org>
+     * @author  Rene Hadler
+     *
+     * @param array  $data    array with items of the tree
+     * @param string $ns      requested namespace
+     * @param array  $js_opts options for javascript renderer
+     * @param string $js_name identifier for this index
+     * @param int    $max     the node at $max level will retrieve all its child nodes through the AJAX mechanism
+     * @return bool|string returns inline javascript or false
+     */
+    private function _jstree($data, $ns, $js_opts, $js_name, $max) {
+        global $conf;
+        $hns = false;
+        if(empty($data)) return false;
+
+        //Render requested ns as root
+        $headpage = $this->getConf('headpage');
+        //if rootnamespace and headpage, then add startpage as headpage - TODO seems not logic, when desired use $conf[headpage]=:start: ??
+        if(empty($ns) && !empty($headpage)) $headpage .= ','.$conf['start'];
+        $title = $this->_getTitle($ns, $headpage, $hns);
+        if(empty($title)) {
+            if(empty($ns)){
+                $title = htmlspecialchars($conf['title'], ENT_QUOTES);
+            } else{
+                $title = $ns;
+            }
+        }
+        // inline javascript
+        $out = "<script type='text/javascript' charset='utf-8'>\n";
+        $out .= "<!--//--><![CDATA[//><!--\n";
+        $out .= "var $js_name = new dTree('".$js_name."','".$js_opts['theme']."');\n";
+        //javascript config options
+        $sepchar = idfilter(':', false);
+        $out .= "$js_name.config.urlbase='".substr(wl(":"), 0, -1)."';\n";
+        $out .= "$js_name.config.sepchar='".$sepchar."';\n";
+        if($js_opts['notoc'])          $out .= "$js_name.config.toc=false;\n";
+        if($js_opts['nocookie'])       $out .= "$js_name.config.useCookies=false;\n";
+        if($js_opts['noscroll'])       $out .= "$js_name.config.scroll=false;\n";
+        if($js_opts['maxjs'] > 0)      $out .= "$js_name.config.maxjs=".$js_opts['maxjs'].";\n";
+        if(!empty($js_opts['jsajax'])) $out .= "$js_name.config.jsajax='".utf8_encodeFN($js_opts['jsajax'])."';\n";
+        //add root node
+        $json = new JSON();
+        $out .= $js_name.".add('".idfilter(cleanID($ns), false)."',0,-1,".$json->encode($title);
+        if($hns) $out .= ",'".idfilter(cleanID($hns), false)."'";
+        $out .= ");\n";
+        //add nodes
+        $anodes = $this->_jsnodes($data, $js_name);
+        $out .= $anodes[0];
+        //write to document
+        $out .= "document.write(".$js_name.");\n";
+        //initialize index
+        $out .= "jQuery(function(){".$js_name.".init(";
+        $out .= (int) is_file(INDEXMENU_IMG_ABSDIR.'/'.$js_opts['theme'].'/style.css').",";
+        $out .= (int) $js_opts['nocookie'].",";
+        $out .= '"'.$anodes[1].'",';
+        $out .= (int) $js_opts['navbar'].",";
+        $out .= (int) $max;
+        if($js_opts['nomenu']) $out .= ",1";
+        $out .= ");});\n";
+
+        $out .= "//--><!]]>\n";
+        $out .= "</script>\n";
+        return $out;
+    }
+
+    /**
+     * Return array of javascript nodes and nodes to open.
+     *
+     * @author  Samuele Tognini <samuele@samuele.netsons.org>
+     * @param array  $data    array with items of the tree
+     * @param string $js_name identifier for this index
+     * @param int    $noajax  return as inline js (=1) or array for ajax response (=0)
+     * @return array|bool returns array with
+     *     - a string of the javascript nodes
+     *     - and a string of space separated numbers of the opened nodes
+     *    or false when no data provided
+     */
+    public function _jsnodes($data, $js_name, $noajax = 1) {
+        if(empty($data)) return false;
+        //Array of nodes to check
+        $q = array('0');
+        //Current open node
+        $node  = 0;
+        $out   = '';
+        $extra = '';
+        if($noajax) {
+            $jscmd = $js_name.".add";
+            $separator   = ";\n";
+        } else {
+            $jscmd = "new Array ";
+            $separator   = ",";
+        }
+        $json = new JSON();
+        foreach($data as $i=> $item) {
+            $i++;
+            //Remove already processed nodes (greater level = lower level)
+            while($item['level'] <= $data[end($q) - 1]['level']) {
+                array_pop($q);
+            }
+
+            //till i found its father node
+            if($item['level'] == 1) {
+                //root node
+                $father = '0';
+            } else {
+                //Father node
+                $father = end($q);
+            }
+            //add node and its options
+            if($item['type'] == 'd') {
+                //Search the lowest open node of a tree branch in order to open it.
+                if($item['open']) ($item['level'] < $data[$node]['level']) ? $node = $i : $extra .= "$i ";
+                //insert node in last position
+                array_push($q, $i);
+            }
+            $out .= $jscmd."('".idfilter($item['id'], false)."',$i,".$father.",".$json->encode($item['title']);
+            //hns
+            ($item['hns']) ? $out .= ",'".idfilter($item['hns'], false)."'" : $out .= ",0";
+            ($item['type'] == 'd' || $item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
+            //MAX option
+            ($item['type'] == 'l') ? $out .= ",1" : $out .= ",0";
+            $out .= ")".$separator;
+        }
+        $extra = rtrim($extra, ' ');
+        return array($out, $extra);
+    }
+
+    /**
+     * Get namespace title, checking for headpages
+     *
+     * @author  Samuele Tognini <samuele@samuele.netsons.org>
+     * @param string $ns namespace
+     * @param string $headpage commaseparated headpages options and headpages
+     * @param string $hns reference pageid of headpage, false when not existing
+     * @return string when headpage & heading on: title of headpage, otherwise: namespace name
+     */
+    private function _getTitle($ns, $headpage, &$hns) {
+        global $conf;
+        $hns   = false;
+        $title = noNS($ns);
+        if(empty($headpage)) return $title;
+        $ahp = explode(",", $headpage);
+        foreach($ahp as $hp) {
+            switch($hp) {
+                case ":inside:":
+                    $page = $ns.":".noNS($ns);
+                    break;
+                case ":same:":
+                    $page = $ns;
+                    break;
+                //it's an inside start
+                case ":start:":
+                    $page = ltrim($ns.":".$conf['start'], ":");
+                    break;
+                //inside pages
+                default:
+                    $page = $ns.":".$hp;
+            }
+            //check headpage
+            if(@file_exists(wikiFN($page)) && auth_quickaclcheck($page) >= AUTH_READ) {
+                if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
+                    $title_tmp = p_get_first_heading($page, FALSE);
+                    if(!is_null($title_tmp)) $title = $title_tmp;
+                }
+                $title = htmlspecialchars($title, ENT_QUOTES);
+                $hns   = $page;
+                //headpage found, exit for
+                break;
+            }
+        }
+        return $title;
+    }
+
+    /**
+     * Parse namespace request
+     *
+     * @author  Samuele Tognini <samuele@samuele.netsons.org>
+     * @param string $ns namespaceid
+     * @param bool   $id page id to resolve $ns relative to.
+     * @return string id of namespace
+     */
+    public function _parse_ns($ns, $id = FALSE) {
+        if(!$id) {
+            global $ID;
+            $id = $ID;
+        }
+        //Just for old reelases compatibility
+        if(empty($ns) || $ns == '..') $ns = ":..";
+        return resolve_id(getNS($id), $ns);
+    }
+
+    /**
+     * Clean index data from unwanted nodes in nojs mode.
+     *
+     * @author  Samuele Tognini <samuele@samuele.netsons.org>
+     * @param array $data nodes of the tree
+     * @return void
+     */
+    private function _clean_data(&$data) {
+        foreach($data as $i=> $item) {
+            //closed node
+            if($item['type'] == "d" && !$item['open']) {
+                $a     = $i + 1;
+                $level = $data[$i]['level'];
+                //search and remove every lower and closed nodes
+                while($data[$a]['level'] > $level && !$data[$a]['open']) {
+                    unset($data[$a]);
+                    $a++;
+                }
+            }
+        }
+    }
+
+    /**
+     * Callback that adds an item of namespace/page to the browsable index, if it fits in the specified options
+     *
+     * $opts['skip_index'] string regexp matching namespaceids to skip
+     * $opts['skip_file']  string regexp matching pageids to skip
+     * $opts['headpage']   string headpages options or pageids
+     * $opts['level']      int    desired depth of main namespace, -1 = all levels
+     * $opts['nss']        array with entries: array(namespaceid,level) specifying namespaces with their own level
+     * $opts['nons']       bool   exclude namespace nodes
+     * $opts['max']        int    If initially closed, the node at max level will retrieve all its child nodes through the AJAX mechanism
+     * $opts['nopg']       bool   exclude page nodes
+     * $opts['hide_headpage'] int don't hide (0) or hide (1)
+     * $opts['js']         bool   use js-render
+     *
+     * @author  Andreas Gohr <andi@splitbrain.org>
+     * modified by Samuele Tognini <samuele@samuele.netsons.org>
+     * @param array  $data Already collected nodes
+     * @param string $base Where to start the search, usually this is $conf['datadir']
+     * @param string $file Current file or directory relative to $base
+     * @param string $type Type either 'd' for directory or 'f' for file
+     * @param int    $lvl  Current recursion depht
+     * @param array  $opts Option array as given to search(), see above.
+     * @return bool if this directory should be traversed (true) or not (false)
+     */
+    public function _search_index(&$data, $base, $file, $type, $lvl, $opts) {
+        global $conf;
+        $hns        = false;
+        $isopen     = false;
+        $title      = null;
+        $skip_index = $opts['skip_index'];
+        $skip_file  = $opts['skip_file'];
+        $headpage   = $opts['headpage'];
+        $id         = pathID($file);
+        if($type == 'd') {
+            // Skip folders in plugin conf
+            foreach($skip_index as $skipi) {
+                if(!empty($skipi) && preg_match($skipi, $id))
+                    return false;
+            }
+            //check ACL (for sneaky_index namespaces too).
+            if($conf['sneaky_index'] && auth_quickaclcheck($id.':') < AUTH_READ) return false;
+            //Open requested level
+            if($opts['level'] > $lvl || $opts['level'] == -1) $isopen = true;
+            //Search optional namespaces
+            if(!empty($opts['nss'])) {
+                $nss = $opts['nss'];
+                for($a = 0; $a < count($nss); $a++) {
+                    if(preg_match("/^".$id."($|:.+)/i", $nss[$a][0], $match)) {
+                        //It contains an optional namespace
+                        $isopen = true;
+                    } elseif(preg_match("/^".$nss[$a][0]."(:.*)/i", $id, $match)) {
+                        //It's inside an optional namespace
+                        if($nss[$a][1] == -1 || substr_count($match[1], ":") < $nss[$a][1]) {
+                            $isopen = true;
+                        } else {
+                            $isopen = false;
+                        }
+                    }
+                }
+            }
+            if($opts['nons']) {
+                return $isopen;
+            } elseif($opts['max'] > 0 && !$isopen && $lvl >= $opts['max']) {
+                $isopen = false;
+                //Stop recursive searching
+                $return = false;
+                //change type
+                $type = "l";
+            } elseif($opts['js']) {
+                $return = true;
+            } else {
+                $return = $isopen;
+            }
+            //Set title and headpage
+            $title = $this->_getTitle($id, $headpage, $hns);
+            //link namespace nodes to start pages when excluding page nodes
+            if(!$hns && $opts['nopg']) $hns = $id.":".$conf['start'];
+        } else {
+            //Nopg.Dont show pages
+            if($opts['nopg']) return false;
+            $return = true;
+            //Nons.Set all pages at first level
+            if($opts['nons']) $lvl = 1;
+            //don't add
+            if(substr($file, -4) != '.txt') return false;
+            //check hiddens and acl
+            if(isHiddenPage($id) || auth_quickaclcheck($id) < AUTH_READ) return false;
+            //Skip files in plugin conf
+            foreach($skip_file as $skipf) {
+                if(!empty($skipf) && preg_match($skipf, $id))
+                    return false;
+            }
+            //Skip headpages to hide
+            if(!$opts['nons'] && !empty($headpage) && $opts['hide_headpage']) {
+                //start page is in root
+                if($id == $conf['start']) return false;
+                $ahp = explode(",", $headpage);
+                foreach($ahp as $hp) {
+                    switch($hp) {
+                        case ":inside:":
+                            if(noNS($id) == noNS(getNS($id))) return false;
+                            break;
+                        case ":same:":
+                            if(@is_dir(dirname(wikiFN($id))."/".utf8_encodeFN(noNS($id)))) return false;
+                            break;
+                        //it' s an inside start
+                        case ":start:":
+                            if(noNS($id) == $conf['start']) return false;
+                            break;
+                        default:
+                            if(noNS($id) == cleanID($hp)) return false;
+                    }
+                }
+            }
+
+            //Set title
+            if($conf['useheading'] == 1 || $conf['useheading'] === 'navigation') {
+                $title = p_get_first_heading($id, FALSE);
+            }
+            if(is_null($title)) $title = noNS($id);
+            $title = htmlspecialchars($title, ENT_QUOTES);
+        }
+
+        $item         = array(
+            'id'     => $id,
+            'type'   => $type,
+            'level'  => $lvl,
+            'open'   => $isopen,
+            'title'  => $title,
+            'hns'    => $hns,
+            'file'   => $file,
+            'return' => $return
+        );
+        $item['sort'] = $this->_setorder($item);
+        $data[]       = $item;
+        return $return;
+    }
+
+    /**
+     * Callback Index item formatter
+     *
+     * User function for @see html_buildlist()
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     * @author Samuele Tognini <samuele@samuele.netsons.org>
+     * @author Rik Blok
+     *
+     * @param array $item item described by array with at least the entries
+     *          - id    page id/namespace id
+     *          - type  'd', 'l'(directory which is not yet opened) or 'f'
+     *          - open  is node open
+     *          - title title of link
+     *          - hns   page id of headpage of the namespace or false
+     * @return string html of the content of a list item
+     */
+    public function _html_list_index($item) {
+        global $INFO;
+        $ret = '';
+
+        //namespace
+        if($item['type'] == 'd' || $item['type'] == 'l') {
+            $markCurrentPage = false;
+
+            $link = $item['id'];
+            $more = 'idx='.$item['id'];
+            //namespace link
+            if($item['hns']) {
+                $link  = $item['hns'];
+                $tagid = "indexmenu_idx_head";
+                $more  = '';
+                //current page is shown?
+                $markCurrentPage = $this->getConf('hide_headpage') && $item['hns'] == $INFO['id'];
+            } else {
+                //namespace without headpage
+                $tagid = "indexmenu_idx";
+                if($item['open']) $tagid .= ' open';
+            }
+
+            if($markCurrentPage) $ret .= '<span class="curid">';
+            $ret .= '<a href="'.wl($link, $more).'" class="'.$tagid.'">';
+            $ret .= $item['title'];
+            $ret .= '</a>';
+            if($markCurrentPage) $ret .= '</span>';
+        } else {
+            //page link
+            $ret .= html_wikilink(':'.$item['id']);
+        }
+        return $ret;
+    }
+
+    /**
+     * callback that recurse directory
+     *
+     * This function recurses into a given base directory
+     * and calls the supplied function for each file and directory
+     *
+     * Similar to search() of inc/search.php, but has extended sorting options
+     *
+     * @param   array     $data The results of the search are stored here
+     * @param   string    $base Where to start the search
+     * @param   callback  $func Callback (function name or array with object,method)
+     * @param   array     $opts List of indexmenu options
+     * @param   string    $dir  Current directory beyond $base
+     * @param   int       $lvl  Recursion Level
+     *
+     * @author  Andreas Gohr <andi@splitbrain.org>
+     * @author  modified by Samuele Tognini <samuele@samuele.netsons.org>
+     */
+    public function _search(&$data, $base, $func, $opts, $dir = '', $lvl = 1) {
+        $dirs      = array();
+        $files     = array();
+        $files_tmp = array();
+        $dirs_tmp  = array();
+        $count = count($data);
+
+        //read in directories and files
+        $dh = @opendir($base.'/'.$dir);
+        if(!$dh) return;
+        while(($file = readdir($dh)) !== false) {
+            //skip hidden files and upper dirs
+            if(preg_match('/^[\._]/', $file)) continue;
+            if(is_dir($base.'/'.$dir.'/'.$file)) {
+                $dirs[] = $dir.'/'.$file;
+                continue;
+            }
+            $files[] = $dir.'/'.$file;
+        }
+        closedir($dh);
+
+        //Collect and sort dirs
+        if($this->nsort) {
+            //collect the wanted directories in dirs_tmp
+            foreach($dirs as $dir) {
+                call_user_func_array($func, array(&$dirs_tmp, $base, $dir, 'd', $lvl, $opts));
+            }
+            //sort directories
+            usort($dirs_tmp, array($this, "_cmp"));
+            //add and search each directory
+            foreach($dirs_tmp as $dir) {
+                $data[] = $dir;
+                if($dir['return']) {
+                    $this->_search($data, $base, $func, $opts, $dir['file'], $lvl + 1);
+                }
+            }
+        } else {
+            //sort by page name
+            sort($dirs);
+            //collect directories
+            foreach($dirs as $dir) {
+                if(call_user_func_array($func, array(&$data, $base, $dir, 'd', $lvl, $opts))) {
+                    $this->_search($data, $base, $func, $opts, $dir, $lvl + 1);
+                }
+            }
+        }
+
+        //Collect and sort files
+        foreach($files as $file) {
+            call_user_func_array($func, array(&$files_tmp, $base, $file, 'f', $lvl, $opts));
+        }
+        usort($files_tmp, array($this, "_cmp"));
+
+        //count added items
+        $added = count($data) - $count;
+
+        if($added === 0 && empty($files_tmp)) {
+            //remove empty directory again, only if it has not a headpage associated
+            $v = end($data);
+            if(!$v['hns']) array_pop($data);
+        } else {
+            //add files to index
+            $data = array_merge($data, $files_tmp);
+        }
+    }
+
+    /**
+     * callback that sorts nodes
+     *
+     * @param array $a first node as array with 'sort' entry
+     * @param array $b second node as array with 'sort' entry
+     * @return int if less than zero 1st node is less than 2nd, otherwise equal respectively larger
+     */
+    private function _cmp($a, $b) {
+        if($this->rsort) {
+            return strnatcasecmp($b['sort'], $a['sort']);
+        } else {
+            return strnatcasecmp($a['sort'], $b['sort']);
+        }
+    }
+
+    /**
+     * Add sort information to item.
+     *
+     * @author  Samuele Tognini <samuele@samuele.netsons.org>
+     *
+     * @param array $item
+     * @return bool|int|mixed|string
+     */
+    private function _setorder($item) {
+        global $conf;
+
+        $sort = false;
+        $page = false;
+        if($item['type'] == 'd' || $item['type'] == 'l') {
+            //Fake order info when nsort is not requested
+            ($this->nsort) ? $page = $item['hns'] : $sort = 0;
+        }
+        if($item['type'] == 'f') $page = $item['id'];
+        if($page) {
+            if($this->hsort && noNS($item['id']) == $conf['start']) $sort = 1;
+            if($this->msort) $sort = p_get_metadata($page, $this->msort);
+            if(!$sort && $this->sort) {
+                switch($this->sort) {
+                    case 't':
+                        $sort = $item['title'];
+                        break;
+                    case 'd':
+                        $sort = @filectime(wikiFN($page));
+                        break;
+                }
+            }
+        }
+        if($sort === false) $sort = noNS($item['id']);
+        return $sort;
+    }
 } //Indexmenu class end