function pico_main_get_wraps_directories_recursively($mydirname, $dir_path = '/')
{
    $full_dir_path = XOOPS_TRUST_PATH . _MD_PICO_WRAPBASE . '/' . $mydirname . $dir_path;
    if (!is_dir($full_dir_path)) {
        return array();
    }
    $dir_path4key = substr($dir_path, 0, -1);
    $full_dir_path4disp = htmlspecialchars('XOOPS_TRUST_PATH' . _MD_PICO_WRAPBASE . '/' . $mydirname . $dir_path4key, ENT_QUOTES);
    // make an option will be displayed
    $db =& Database::getInstance();
    $myrow = $db->fetchArray($db->query("SELECT cat_title,cat_depth_in_tree FROM " . $db->prefix($mydirname . "_categories") . " WHERE cat_vpath='" . addslashes($dir_path4key) . "'"));
    $ret[$dir_path4key] = empty($myrow) ? $full_dir_path4disp : $full_dir_path4disp . ' (' . str_repeat('--', $myrow['cat_depth_in_tree']) . htmlspecialchars($myrow['cat_title'], ENT_QUOTES) . ')';
    // sub directries loop (1)
    $dir_tmps = array();
    $dh = opendir($full_dir_path);
    while (($file = readdir($dh)) !== false) {
        if (substr($file, 0, 1) == '.') {
            continue;
        }
        if (is_dir($full_dir_path . $file)) {
            $dir_tmps[] = $file;
        }
    }
    closedir($dh);
    // sub directries loop (2)
    foreach ($dir_tmps as $dir_tmp) {
        $ret += pico_main_get_wraps_directories_recursively($mydirname, $dir_path . $dir_tmp . '/');
    }
    return $ret;
}
 function execute($request)
 {
     parent::execute($request);
     // makecategory/categorymanager
     $page = empty($request['makecategory']) ? 'categorymanager' : 'makecategory';
     // $categoryObj (not parent)
     $picoPermission =& PicoPermission::getInstance();
     $categoryObj = new PicoCategory($this->mydirname, $request['cat_id'], $picoPermission->getPermissions($this->mydirname), $page == 'makecategory', $this->currentCategoryObj);
     // check existence
     if ($categoryObj->isError()) {
         redirect_header(XOOPS_URL . "/modules/{$this->mydirname}/index.php", 2, _MD_PICO_ERR_READCONTENT);
         exit;
     }
     // fetch data from DB
     $cat_data = $categoryObj->getData();
     $this->assign['category_base'] = $categoryObj->getData4html(true);
     $this->categoryObjs['category_base'] =& $categoryObj;
     $this->assign['category'] = $categoryObj->getData4edit();
     // permission check
     if ($page == 'makecategory') {
         $pcat_data = $this->currentCategoryObj->getData();
         if (empty($pcat_data['can_makesubcategory'])) {
             redirect_header(XOOPS_URL . '/', 2, _MD_PICO_ERR_CREATECATEGORY);
         }
     } else {
         if (empty($cat_data['isadminormod'])) {
             redirect_header(XOOPS_URL . '/', 2, _MD_PICO_ERR_CATEGORYMANAGEMENT);
         }
     }
     // category list can be read for category jumpbox etc.
     $categoryHandler = new PicoCategoryHandler($this->mydirname, $this->permissions);
     $categories = $categoryHandler->getAllCategories();
     $this->assign['categories_can_post'] = array();
     foreach ($categories as $tmpObj) {
         $tmp_data = $tmpObj->getData();
         if (empty($tmp_data['can_makesubcategory'])) {
             continue;
         }
         $this->assign['categories_can_makesubcategory'][$tmp_data['id']] = str_repeat('--', $tmp_data['cat_depth_in_tree']) . $tmp_data['cat_title'];
     }
     // breadcrumbs
     $breadcrumbsObj =& AltsysBreadcrumbs::getInstance();
     if ($page == 'makecategory') {
         $breadcrumbsObj->appendPath('', _MD_PICO_LINK_MAKECATEGORY);
         $this->assign['xoops_pagetitle'] = _MD_PICO_LINK_MAKECATEGORY;
     } else {
         //		$breadcrumbsObj->appendPath( XOOPS_URL.'/modules/'.$this->mydirname.'/'.$this->assign['category']['link'] , $this->assign['category']['title'] ) ;
         $breadcrumbsObj->appendPath('', _MD_PICO_CATEGORYMANAGER);
         $this->assign['xoops_pagetitle'] = _MD_PICO_CATEGORYMANAGER;
     }
     $this->assign['xoops_breadcrumbs'] = $breadcrumbsObj->getXoopsbreadcrumbs();
     // misc assigns
     $this->assign['page'] = $page;
     $this->assign['formtitle'] = $page == 'makecategory' ? _MD_PICO_LINK_MAKECATEGORY : _MD_PICO_CATEGORYMANAGER;
     $this->assign['gticket_hidden'] = $GLOBALS['xoopsGTicket']->getTicketHtml(__LINE__, 1800, 'pico');
     $this->assign['category']['option_desc'] = $this->getCategoryOptions4edit();
     $this->assign['category']['wraps_directories'] = array('' => '---') + pico_main_get_wraps_directories_recursively($this->mydirname, '/');
     // views
     $this->template_name = $this->mydirname . '_main_category_form.html';
     $this->is_need_header_footer = true;
 }