class.ilObjLanguageAccess.php

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<?php
/* Copyright (c) 1998-20014 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilObjLanguageAccess
{
        static function _checkTranslate()
        {
                global $lng, $ilSetting, $ilUser, $rbacsystem;

                if (!$ilSetting->get("lang_ext_maintenance")
                or !$ilSetting->get("lang_translate_".$lng->getLangKey()))
                {
                        return false;
                }

                if ($ilUser->getId())
                {
                        $ref_id = self::_lookupLangFolderRefId();
                        return $rbacsystem->checkAccess("read,write", (int) $ref_id);
                }
                return false;
        }


    static function _checkMaintenance()
        {
                global $ilSetting, $ilUser, $rbacsystem;

                if (!$ilSetting->get("lang_ext_maintenance"))
                {
                        return false;
                }

                if ($ilUser->getId())
                {
                        $ref_id = self::_lookupLangFolderRefId();
                        return $rbacsystem->checkAccess("read,write", (int) $ref_id);
                }
                return false;
        }


    static function _lookupLangFolderRefId()
        {
                global $ilDB;
                
                $q = "SELECT ref_id FROM object_reference r, object_data d".
                " WHERE r.obj_id = d.obj_id AND d.type = ".$ilDB->quote("lngf", "text");
                $set = $ilDB->query($q);
                $row = $ilDB->fetchAssoc($set);
                return $row['ref_id'];
        }
        

        static function _lookupId($a_key)
        {
                global $ilDB;

                $q = "SELECT obj_id FROM object_data ".
                " WHERE type = ".$ilDB->quote("lng", "text").
                " AND title = ".$ilDB->quote($a_key, "text");
                $set = $ilDB->query($q);
                $row = $ilDB->fetchAssoc($set);
                return $row['obj_id'];
        }


    static function _getTranslationLink()
    {
        // ref id must be given to prevent params being deleted by ilAdministrtionGUI
       return "ilias.php"
        ."?ref_id=".self::_lookupLangFolderRefId()
        ."&baseClass=ilAdministrationGUI"
        ."&cmdClass=ilobjlanguageextgui"
        ."&view_mode=translate"
        ."&reset_offset=true";
    }

    public static function _isPageTranslation()
    {
        return (strtolower($_GET['cmdClass'] == 'ilobjlanguageextgui') and $_GET['view_mode'] == "translate");
    }


    static function _saveUsages()
    {
        global $lng;
        $_SESSION['lang_ext_maintenance']['used_modules'] = array_keys($lng->getUsedModules());
        $_SESSION['lang_ext_maintenance']['used_topics'] = array_keys($lng->getUsedTopics());
    }

    static function _getSavedModules()
    {
       $saved = $_SESSION['lang_ext_maintenance']['used_modules'];
       return is_array($saved) ? $saved : array();
    }

    static function _getSavedTopics()
    {
        $saved = $_SESSION['lang_ext_maintenance']['used_topics'];
        return is_array($saved) ? $saved : array();
    }

}

?>