class.ilObjLanguageExtGUI.php

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

define("ILIAS_LANGUAGE_MODULE", "Services/Language");

require_once("./Services/Object/classes/class.ilObjectGUI.php");
require_once("Services/Language/classes/class.ilObjLanguageAccess.php");


class ilObjLanguageExtGUI extends ilObjectGUI
{
        function ilObjLanguageExtGUI($a_data, $a_id = 0, $a_call_by_reference = false)
        {
                global $lng, $ilCtrl, $ilClientIniFile;

                // language maintenance strings are defined in administration
        $lng->loadLanguageModule("administration");
        $lng->loadLanguageModule("meta");

                //  view mode ('translate' or empty) determins available table filters
                $ilCtrl->saveParameter($this, "view_mode");

                // type and id of get the bound object
                $this->type = "lng";
                if (! $this->id = $_GET['obj_id'])
                {
                        $this->id = ilObjLanguageAccess::_lookupId($lng->getUserLanguage());
                }
                
                // do all generic GUI initialisations
                $this->ilObjectGUI($a_data, $this->id, false, true);
                
                // initialize the array to store session variables for extended language maintenance
                if (!is_array($_SESSION['lang_ext_maintenance']))
                {
                        $_SESSION['lang_ext_maintenance'] = array();
                }
                $this->session =& $_SESSION['lang_ext_maintenance'];


                // read the lang mode
        $this->langmode = $ilClientIniFile->readVariable("system","LANGMODE");
        }


        function assignObject()
        {
                require_once("Services/Language/classes/class.ilObjLanguageExt.php");
                $this->object =& new ilObjLanguageExt($this->id);
        }

    function getId()
    {
        return $this->id;
    }

        function &executeCommand()
        {
                global $ilHelp;
                
                if (!ilObjLanguageAccess::_checkMaintenance())
                {
             $this->ilErr->raiseError($this->lng->txt("permission_denied"),$this->ilErr->MESSAGE);
             exit;
                }
                
                $cmd = $this->ctrl->getCmd("view")."Object";
                $this->$cmd();
                
                $ilHelp->setScreenIdComponent("lng");
        }

        
        function cancelObject()
        {
                $this->viewObject();
        }

    protected function getViewTable()
    {
        // create and configure the table object
        include_once './Services/Language/classes/class.ilLanguageExtTableGUI.php';
        $table_gui = new ilLanguageExtTableGUI($this, 'view', array(
            'langmode' => $this->langmode,
            'lang_key'=> $this->object->key,
        ));

        return $table_gui;
    }

        function viewObject()
        {
        global $tpl;

        // get the view table
        $table_gui = $this->getViewTable();

        // get the remarks in database
        $comments = $this->object->getAllRemarks();

        // set the language to compare with
        // get the default values if the compare language is the same
        $compare = $table_gui->getFilterItemByPostVar('compare')->getValue();
                if ($compare == $this->object->key)
                {
                        $compare_object = $this->object->getGlobalLanguageFile();
                        $compare_content = $compare_object->getAllValues();
                        $compare_comments = $compare_object->getAllComments();
                }

        // page translation mode:
                // - the table is filtered by a list of modules and topics
                if (ilObjLanguageAccess::_isPageTranslation())
                {
            // get the selection of modules and topics from request or session
                        $modules = ilObjLanguageAccess::_getSavedModules();
                        $topics = ilObjLanguageAccess::_getSavedTopics();

            // first call for translation
            if ($_GET['reset_offset'])
            {
                $table_gui->resetOffset();
            }

                        if (!isset($compare_content))
                        {
                                $compare_content = ilObjLanguageExt::_getValues(
                                                                        $compare, $modules, $topics);

                                $compare_comments = ilObjLanguageExt::_getRemarks($compare);
                        }

                        $translations = ilObjLanguageExt::_getValues(
                                                        $this->object->key, $modules, $topics);
                        
                        // enable adding new entries
                        $db_found = array();
                        foreach($translations as $name => $translation)
                        {
                                $keys = explode($this->lng->separator, $name);
                                $db_found[] = $keys[1];                         
                        }
                        $missing_entries = array_diff($topics, $db_found);
                }
                // normal view mode:
                // - the table is filtered manually by module, mode and pattern
                else
                {
            $filter_mode = $table_gui->getFilterItemByPostVar('mode')->getValue();
            $filter_pattern = $table_gui->getFilterItemByPostVar('pattern')->getValue();
            $filter_module = $table_gui->getFilterItemByPostVar('module')->getValue();
            $filter_module = $filter_module == 'all' ? '' : $filter_module;
            $filter_modules = $filter_module ? array($filter_module) : array();

                        if (!isset($compare_content))
                        {
                                $compare_content = ilObjLanguageExt::_getValues(
                                                        $compare, $filter_modules);

                                $compare_comments = ilObjLanguageExt::_getRemarks($compare);
                        }

                        switch ($filter_mode)
                        {
                                case "changed":
                                        $translations = $this->object->getChangedValues(
                                                                $filter_modules, $filter_pattern);
                                        break;

                                case "added":   //langmode only
                                        $translations = $this->object->getAddedValues(
                                                                $filter_modules, $filter_pattern);
                                        break;

                                case "unchanged":
                                        $translations = $this->object->getUnchangedValues(
                                                        $filter_modules, $filter_pattern);
                                        break;
                                        
                                case "commented":
                    $translations = $this->object->getCommentedValues(
                                                        $filter_modules, $filter_pattern);
                                        break;

                                case "dbremarks":
                    $translations = $this->object->getAllValues(
                                                        $filter_modules, $filter_pattern);

                                        $translations = array_intersect_key($translations, $remarks);
                                        break;

                                case "equal":
                    $translations = $this->object->getAllValues(
                                                        $filter_modules, $filter_pattern);

                                        $translations = array_intersect_assoc($translations, $compare_content);
                                        break;

                                case "different":
                    $translations = $this->object->getAllValues(
                                                        $filter_modules, $filter_pattern);

                                        $translations = array_diff_assoc($translations, $compare_content);
                                        break;

                                case "conflicts":
                                    $former_file = $this->object->getCustLangPath() . '/ilias_' . $this->object->key . '.lang';
                                        if (!is_readable($former_file))
                                        {
                        ilUtil::sendFailure(sprintf($this->lng->txt("language_former_file_missing"), $former_file)
                                                                                .'<br />'. $this->lng->txt("language_former_file_description") , false);
                        $translations = array();
                        break;
                                        }
                                        $global_file_obj = $this->object->getGlobalLanguageFile();
                                        $former_file_obj = new ilLanguageFile($former_file);
                                        $former_file_obj->read();
                                        $global_changes = array_diff_assoc(
                                                                                        $global_file_obj->getAllValues(),
                                                                                        $former_file_obj->getAllValues());
                                        if (!count($global_changes))
                                        {
                        ilUtil::sendInfo(sprintf($this->lng->txt("language_former_file_equal"), $former_file)
                                                                                .'<br />'. $this->lng->txt("language_former_file_description") , false);
                        $translations = array();
                        break;
                                        }
                                        $translations = $this->object->getChangedValues(
                                                                $filter_modules, $filter_pattern);

                                        $translations = array_intersect_key($translations, $global_changes);
                                    break;

                                case "all":
                                default:
                                        $translations = $this->object->getAllValues(
                                                        $filter_modules, $filter_pattern);
                        }
        }

        // prepare the the data for the table
                $data = array();
                foreach($translations as $name => $translation)
                {
                        $keys = explode($this->lng->separator, $name);
                        $row = array();

            $row["module"] = $keys[0];
            $row["topic"] = $keys[1];
            $row["name"] = $name;
            $row["translation"] = $translation;
            $row["comment"] = $comments[$name];
            $row["default"] = $compare_content[$name];
            $row["default_comment"] = $compare_comments[$name];

                        $data[] = $row;
                }
                
        // render and show the table
        $table_gui->setData($data);
        $tpl->setContent($table_gui->getHTML().
                        $this->buildMissingEntries($missing_entries));
        }
        
    function applyFilterObject()
    {
        $table_gui = $this->getViewTable();
        $table_gui->writeFilterToSession();    // writes filter to session
        $table_gui->resetOffset();             // sets record offest to 0 (first page)
        $this->viewObject();
    }

    function resetFilterObject()
    {
        $table_gui = $this->getViewTable();
        $table_gui->resetOffset();                // sets record offest to 0 (first page)
        $table_gui->resetFilter();                // clears filter
        $this->viewObject();
    }

        function saveObject()
        {
                // prepare the values to be saved
                $save_array = array();
                $remarks_array = array();
                foreach ($_POST as $key => $value)
                {
                        $keys = explode($this->lng->separator, ilUtil::stripSlashes($key, false));

                        if (count($keys) == 2)
                        {
                                // avoid line breaks
                                $value = preg_replace("/(\015\012)|(\015)|(\012)/","<br />",$value);
                                $value = ilUtil::stripSlashes($value, false);
                                $save_array[$key] = $value;

                                $remarks_array[$key] = $_POST[$key.$this->lng->separator."comment"];
                        }
                }
                
                // save the translations
                ilObjLanguageExt::_saveValues($this->object->key, $save_array, $remarks_array);

                // view the list
                $this->viewObject();
        }


        function importObject()
        {
        require_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt("language_import_file"));
        $form->addCommandButton('upload',$this->lng->txt("upload"));

        $fu = new ilFileInputGUI($this->lng->txt("file"), "userfile");
        $form->addItem($fu);

        $rg = new ilRadioGroupInputGUI($this->lng->txt("language_mode_existing"), "mode_existing");
        $ro = new ilRadioOption($this->lng->txt("language_mode_existing_keepall"), "keepall");
        $ro->setInfo($this->lng->txt("language_mode_existing_keepall_info"));
        $rg->addOption($ro);
        $ro = new ilRadioOption($this->lng->txt("language_mode_existing_keepnew"), "keepnew");
        $ro->setInfo($this->lng->txt("language_mode_existing_keepnew_info"));
        $rg->addOption($ro);
        $ro = new ilRadioOption($this->lng->txt("language_mode_existing_replace"), "replace");
        $ro->setInfo($this->lng->txt("language_mode_existing_replace_info"));
        $rg->addOption($ro);
        $ro = new ilRadioOption($this->lng->txt("language_mode_existing_delete"), "delete");
        $ro->setInfo($this->lng->txt("language_mode_existing_delete_info"));
        $rg->addOption($ro);
        $rg->setValue($this->session["import"]["mode_existing"] ? $this->session["import"]["mode_existing"] : "keepall");
        $form->addItem($rg);

        $this->tpl->setContent($form->getHTML());
        }
        
        
        function uploadObject()
        {
        // save form inputs for next display
        $this->session["import"]["mode_existing"] = ilUtil::stripSlashes($_POST['mode_existing']);

                if ($_POST['cmd']['upload'])
                {
                        $file = $_FILES['userfile']['tmp_name'].'x';
                        
                        if (ilUtil::moveUploadedFile($_FILES['userfile']['tmp_name'],
                                                                                 $_FILES['userfile']['name'],
                                                                                 $file))
                        {
                                $this->object->importLanguageFile($file,$_POST['mode_existing']);
                                ilUtil::sendSuccess(sprintf($this->lng->txt("language_file_imported"), $_FILES['userfile']['name']) , true);
                        }
                }

        $this->ctrl->redirect($this, 'import');
        }

        
        function exportObject()
        {
        require_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt("language_export_file"));
        $form->setPreventDoubleSubmission(false);
        $form->addCommandButton('download',$this->lng->txt("download"));

        $rg = new ilRadioGroupInputGUI($this->lng->txt("language_file_scope"), "scope");
        $ro = new ilRadioOption($this->lng->txt("language_scope_global"), "global");
        $ro->setInfo($this->lng->txt("language_scope_global_info"));
        $rg->addOption($ro);
        $ro = new ilRadioOption($this->lng->txt("language_scope_local"), "local");
        $ro->setInfo($this->lng->txt("language_scope_local_info"));
        $rg->addOption($ro);
        if ($this->langmode)
        {
            $ro = new ilRadioOption($this->lng->txt("language_scope_added"), "added");
            $ro->setInfo($this->lng->txt("language_scope_added_info"));
            $rg->addOption($ro);
        }
        $ro = new ilRadioOption($this->lng->txt("language_scope_unchanged"), "unchanged");
        $ro->setInfo($this->lng->txt("language_scope_unchanged_info"));
        $rg->addOption($ro);
        if ($this->langmode)
        {
            $ro = new ilRadioOption($this->lng->txt("language_scope_merged"), "merged");
            $ro->setInfo($this->lng->txt("language_scope_merged_info"));
            $rg->addOption($ro);
        }

        $rg->setValue($this->session["export"]["scope"] ? $this->session["export"]["scope"] : "global");
        $form->addItem($rg);

        $this->tpl->setContent($form->getHTML());
        }

        
        function downloadObject()
        {
        // save the selected scope
        $this->session["export"]["scope"] = ilUtil::stripSlashes($_POST["scope"]);

                $filename = 'ilias_' . $this->object->key . '_'
                . str_replace(".", "_", substr(ILIAS_VERSION, 0, strpos(ILIAS_VERSION, " ")))
        . "-" . date('Y-m-d')
                . ".lang.".$this->session["export"]["scope"];
                
                $global_file_obj = $this->object->getGlobalLanguageFile();
                $local_file_obj = new ilLanguageFile($filename, $this->object->key, $_POST["scope"]);

                if ($_POST["scope"] == 'global')
                {
            $local_file_obj->setParam("author", $global_file_obj->getParam('author'));
            $local_file_obj->setParam("version", $global_file_obj->getParam('version'));
                        $local_file_obj->setAllValues($this->object->getAllValues());
                        if ($this->langmode)
                        {
                                $local_file_obj->setAllComments($this->object->getAllRemarks());
                        }
                }
                elseif ($_POST["scope"] == 'local')
                {
                $local_file_obj->setParam("based_on", $global_file_obj->getParam('version'));
                        $local_file_obj->setAllValues($this->object->getChangedValues());
                        if ($this->langmode)
                        {
                                $local_file_obj->setAllComments($this->object->getAllRemarks());
                        }
                }
                elseif ($_POST["scope"] == 'added') // langmode only
                {
                $local_file_obj->setParam("author", $global_file_obj->getParam('author'));
            $local_file_obj->setParam("version", $global_file_obj->getParam('version'));
                        $local_file_obj->setAllValues($this->object->getAddedValues());
                        $local_file_obj->setAllComments($this->object->getAllRemarks());
                }
                elseif ($_POST["scope"] == 'unchanged')
                {
                $local_file_obj->setParam("author", $global_file_obj->getParam('author'));
            $local_file_obj->setParam("version", $global_file_obj->getParam('version'));
                        $local_file_obj->setAllValues($this->object->getUnchangedValues());
                        if ($this->langmode)
                        {
                                $local_file_obj->setAllComments($this->object->getAllRemarks());
                        }
                }
                elseif ($_POST["scope"] == 'merged') // langmode only
                {
                $local_file_obj->setParam("author", $global_file_obj->getParam('author'));
            $local_file_obj->setParam("version", $global_file_obj->getParam('version'));
                        $local_file_obj->setAllValues($this->object->getMergedValues());
                        $local_file_obj->setAllComments($this->object->getMergedRemarks());
                }

                ilUtil::deliverData($local_file_obj->build(), $filename);
        }


        function maintainObject()
        {
        require_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt("language_maintenance"));
        $form->setPreventDoubleSubmission(false);
        $form->addCommandButton('maintainExecute',$this->lng->txt("language_process_maintenance"));

        $rg = new ilRadioGroupInputGUI($this->lng->txt("language_maintain_local_changes"), "maintain");
        $ro = new ilRadioOption($this->lng->txt("language_save_local_changes"), "save");
        $ro->setInfo(sprintf($this->lng->txt("language_save_local_changes_info"),$this->object->key));
        $rg->addOption($ro);
        $ro = new ilRadioOption($this->lng->txt("language_load_local_changes"), "load");
        $ro->setInfo(sprintf($this->lng->txt("language_load_local_changes_info"),$this->object->key));
        $rg->addOption($ro);
        $ro = new ilRadioOption($this->lng->txt("language_clear_local_changes"), "clear");
        $ro->setInfo(sprintf($this->lng->txt("language_clear_local_changes_info"),$this->object->key));
        $rg->addOption($ro);
        if ($this->langmode)
        {
            $ro = new ilRadioOption($this->lng->txt("language_delete_local_additions"), "delete_added");
            $ro->setInfo(sprintf($this->lng->txt("language_delete_local_additions_info"), $this->object->key));
            $rg->addOption($ro);
            $ro = new ilRadioOption($this->lng->txt("language_merge_local_changes"), "merge");
            $ro->setInfo(sprintf($this->lng->txt("language_merge_local_changes_info"), $this->object->key));
            $rg->addOption($ro);
            $ro = new ilRadioOption($this->lng->txt("language_remove_local_file"), "remove_local_file");
            $ro->setInfo(sprintf($this->lng->txt("language_remove_local_file_info"), $this->object->key));
            $rg->addOption($ro);
        }
        $rg->setValue($this->session["maintain"]);
        $form->addItem($rg);

        $this->tpl->setContent($form->getHTML());
        }


    function maintainExecuteObject()
    {
        if (isset($_POST["maintain"]))
        {
            $this->session["maintain"] = ilUtil::stripSlashes($_POST["maintain"]);
        }

        switch ($_POST["maintain"])
        {
            // save the local changes to the local language file
            case "save":
                $lang_file = $this->object->getCustLangPath() . '/ilias_' . $this->object->key . '.lang.local';

                if ((is_file($lang_file) and is_writable($lang_file))
                    or (!file_exists($lang_file) and is_writable($this->object->getCustLangPath())))
                {
                    // save a copy of the distributed language file
                    $orig_file = $this->object->getLangPath() . '/ilias_' . $this->object->key . '.lang';
                    $copy_file = $this->object->getCustLangPath() . '/ilias_' . $this->object->key . '.lang';
                    @copy($orig_file, $copy_file);

                    // save a backup of the old local language file
                    @rename($lang_file, $lang_file.".bak");

                    // create and write the new local language file
                    $global_file_obj = $this->object->getGlobalLanguageFile();
                    $local_file_obj = new ilLanguageFile($lang_file, $this->object->key, 'local');
                    $local_file_obj->setParam('based_on', $global_file_obj->getParam('version'));
                    $local_file_obj->setAllValues($this->object->getChangedValues());
                    if ($this->langmode)
                    {
                        $local_file_obj->setAllComments($this->object->getAllRemarks());
                    }
                    $local_file_obj->write();

                    $this->object->setLocal(true);
                    ilUtil::sendSuccess($this->lng->txt("language_saved_local") , true);
                }
                else
                {
                    ilUtil::sendFailure($this->lng->txt("language_error_write_local") , true);
                }
                break;

            // load the content of the local language file
            case "load":
                $lang_file = $this->object->getCustLangPath() . '/ilias_' . $this->object->key . '.lang.local';
                if (is_file($lang_file) and is_readable($lang_file))
                {
                    $this->object->importLanguageFile($lang_file, 'replace');
                    $this->object->setLocal(true);
                    ilUtil::sendSuccess($this->lng->txt("language_loaded_local") , true);
                }
                else
                {
                    ilUtil::sendFailure($this->lng->txt("language_error_read_local") , true);
                }
                break;

            // revert the database to the default language file
            case "clear":
                $lang_file = $this->object->getLangPath() . '/ilias_' . $this->object->key . '.lang';
                if (is_file($lang_file) and is_readable($lang_file))
                {
                    $this->object->importLanguageFile($lang_file, 'delete');
                    $this->object->setLocal(false);
                    ilUtil::sendSuccess($this->lng->txt("language_cleared_local") , true);
                }
                else
                {
                    ilUtil::sendFailure($this->lng->txt("language_error_clear_local") , true);
                }
                break;

            // delete local additions in the datavase (langmode only)
            case "delete_added":
                ilObjLanguageExt::_deleteValues($this->object->key, $this->object->getAddedValues());
                break;

            // merge local changes back to the global language file (langmode only)
            case "merge":

                $orig_file = $this->object->getLangPath() . '/ilias_' . $this->object->key . '.lang';
                $copy_file = $this->object->getCustLangPath() . '/ilias_' . $this->object->key . '.lang';

                if (is_file($orig_file) and is_writable($orig_file))
                {
                    // save a copy of the global language file
                    @copy($orig_file, $copy_file);

                    // modify and write the new global file
                    $global_file_obj = $this->object->getGlobalLanguageFile();
                    $global_file_obj->setAllValues($this->object->getMergedValues());
                    $global_file_obj->setAllComments($this->object->getMergedRemarks());
                    $global_file_obj->write();
                    ilUtil::sendSuccess($this->lng->txt("language_merged_global") , true);
                }
                else
                {
                    ilUtil::sendFailure($this->lng->txt("language_error_write_global") , true);
                }
                break;

            // remove the local language file (langmode only)
            case "remove_local_file":
                $lang_file = $this->object->getCustLangPath() . '/ilias_' . $this->object->key . '.lang.local';

                if (!is_file($lang_file))
                {
                    $this->object->setLocal(false);
                    ilUtil::sendFailure($this->lng->txt("language_error_local_missed") , true);
                }
                elseif (@unlink($lang_file))
                {
                    $this->object->setLocal(false);
                    ilUtil::sendSuccess($this->lng->txt("language_local_file_deleted") , true);
                }
                else
                {
                    ilUtil::sendFailure($this->lng->txt("language_error_delete_local") , true);
                }
                break;
        }

        $this->ctrl->redirect($this,"maintain");
    }

        function settingsObject()
        {
                global $ilSetting;

                $translate_key = "lang_translate_". $this->object->key;

                // save and get the page translation setting
        if (!empty($_POST))
        {
            $ilSetting->set($translate_key, (bool) $_POST["translation"]);
            ilUtil::sendSuccess($this->lng->txt("settings_saved"));
        }
                $translate = $ilSetting->get($translate_key, false);

        require_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt("language_settings"));
        $form->setPreventDoubleSubmission(false);
        $form->addCommandButton('settings',$this->lng->txt("language_change_settings"));

        $ci = new ilCheckboxInputGUI($this->lng->txt("language_translation_enabled"), "translation");
        $ci->setChecked((bool) $translate);
        $ci->setInfo($this->lng->txt("language_note_translation"));
        $form->addItem($ci);

        $this->tpl->setContent($form->getHTML());
        }

        function statisticsObject()
        {
                $modules = ilObjLanguageExt::_getModules($this->object->key);
                
                $data = array();
                $total = array("module"=>'',"all"=>0,"changed"=>0, "unchanged"=>0);
                foreach($modules as $module)
                {
                        $row = array();
                        $row['module'] = $module;
                        $row['all'] = count($this->object->getAllValues(array($module)));
                        $row['changed'] = count($this->object->getChangedValues(array($module)));
                        $row['unchanged'] = $row['all']-$row['changed'];
                        $total['all'] += $row['all'];
                        $total['changed'] += $row['changed'];
                        $total['unchanged'] += $row['unchanged'];
                        $data[] = $row;
                }
                $total['module'] = "<b>".$this->lng->txt("language_all_modules")."</b>";
                $total['all'] = "<b>".$total['all']."</b>";
                $total['changed'] = "<b>".$total['changed']."</b>";
                $total['unchanged'] = "<b>".$total['unchanged']."</b>";
                $data[] = $total;

                // create and configure the table object
                include_once 'Services/Table/classes/class.ilTable2GUI.php';
                $table_gui = new ilTable2GUI($this, "statistics");
        $table_gui->setRowTemplate("tpl.lang_statistics_row.html","Services/Language");
        $table_gui->setEnableTitle(false);
        $table_gui->setEnableNumInfo(false);
        $table_gui->setLimit(count($data));
        $table_gui->setExportFormats(array(ilTable2GUI::EXPORT_EXCEL));

        $table_gui->addColumn(ucfirst($this->lng->txt("module")), "", "25%");
        $table_gui->addColumn($this->lng->txt("language_scope_global"), "", "25%");
        $table_gui->addColumn($this->lng->txt("language_scope_local"), "", "25%");
        $table_gui->addColumn($this->lng->txt("language_scope_unchanged"), "", "25%");

        $table_gui->setData($data);

        $this->tpl->setContent($table_gui->getHTML());
        }


        function getAdminTabs(&$tabs_gui)
        {
        if (!ilObjLanguageAccess::_isPageTranslation())
        {
            $tabs_gui->addTarget("edit",
                $this->ctrl->getLinkTarget($this, "view"),
                array("","view","cancel","save"));

            $tabs_gui->addTarget("export",
                $this->ctrl->getLinkTarget($this, "export"),
                array("export","download"));

            $tabs_gui->addTarget("import",
                $this->ctrl->getLinkTarget($this, "import"),
                array("import","upload"));

            $tabs_gui->addTarget("language_maintain",
                $this->ctrl->getLinkTarget($this, "maintain"),
                array("maintain"));

            $tabs_gui->addTarget("settings",
                $this->ctrl->getLinkTarget($this, "settings"),
                array("settings"));

            $tabs_gui->addTarget("language_statistics",
                $this->ctrl->getLinkTarget($this, "statistics"),
                array("statistics"));
        }
        }


        function addAdminLocatorItems()
        {
                global $ilLocator;

        if (!ilObjLanguageAccess::_isPageTranslation())
        {
            parent::addAdminLocatorItems(true); // #13881

            $ilLocator->addItem($this->lng->txt("languages"),
                $this->ctrl->getLinkTargetByClass("ilobjlanguagefoldergui", ""));

            $ilLocator->addItem($this->lng->txt("meta_l_". $this->object->getTitle()),
                $this->ctrl->getLinkTarget($this, "view"));
        }
        }


        function setTitleAndDescription()
        {
       if (ilObjLanguageAccess::_isPageTranslation())
       {
           $this->tpl->setHeaderPageTitle($this->lng->txt("translation"));
           $this->tpl->setTitle($this->lng->txt("translation"). " ".$this->lng->txt("meta_l_".$this->object->key));
       }
       else
       {
           $this->tpl->setTitle($this->lng->txt("meta_l_".$this->object->key));
       }
       $this->tpl->setTitleIcon(ilUtil::getImagePath("icon_lngf.svg"), $this->lng->txt("obj_" . $this->object->getType()));
    }
        
        
        //
        // new entries
        //
        
        protected function buildMissingEntries(array $a_missing = null)
        {
                global $ilCtrl;
                
                if(!is_array($a_missing) ||
                        !sizeof($a_missing))
                {
                        return;
                }
                
                $res = array('<h3>'.$this->lng->txt("adm_missing_entries").'</h3>', '<ul>');            
                
                foreach($a_missing as $entry)
                {
                        $ilCtrl->setParameter($this, "eid", $entry);
                        $res[] = '<li>'.$entry.
                                ' <a href="'.$ilCtrl->getLinkTarget($this, "addNewEntry").
                                '">'.$this->lng->txt("adm_missing_entry_add_action").'</a></li>';
                        $ilCtrl->setParameter($this, "eid", "");
                }
                
                $res[] = '</ul>';
                        
                return implode("\n", $res);
        }
        
        function addNewEntryObject(ilPropertyFormGUI $a_form = null)
        {
                global $tpl;
                
                $id = trim($_GET["eid"]);
                
                if(!$a_form)
                {
                        $a_form = $this->initAddNewEntryForm($id);
                }
                
                $tpl->setContent($a_form->getHTML());
        }
        
        protected function initAddNewEntryForm($a_id = null)
        {               
                global $ilCtrl;
                
                if(!$a_id)
                {
                        $a_id = $_POST["id"];
                }
                
                if(!$a_id || 
                        !in_array($a_id, ilObjLanguageAccess::_getSavedTopics()))
                {
                        $ilCtrl->redirect($this, "view");
                }
                
                include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
                $form = new ilPropertyFormGUI();
                $form->setFormAction($ilCtrl->getFormAction($this, "saveNewEntry"));
                $form->setTitle($this->lng->txt("adm_missing_entry_add"));
                
                $mods = ilObjLanguageAccess::_getSavedModules();
                $options = array_combine($mods, $mods);
        
                $mod = new ilSelectInputGUI(ucfirst($this->lng->txt("module")), "mod");
                $mod->setOptions(array(""=>$this->lng->txt("please_select"))+$options);
                $mod->setRequired(true);
                $form->addItem($mod);
                
                $id = new ilTextInputGUI(ucfirst($this->lng->txt("identifier")), "id");
                $id->setValue($a_id);
                $id->setDisabled(true);
                $form->addItem($id);
                
                foreach ($this->lng->getInstalledLanguages() as $lang_key)
        {
                        $trans = new ilTextInputGUI($this->lng->txt("meta_l_".$lang_key), "trans_".$lang_key);
                        if(in_array($lang_key, array("de", "en")))
                        {
                                $trans->setRequired(true);
                        }
                        $form->addItem($trans);
                }               
                
                $form->addCommandButton("saveNewEntry", $this->lng->txt("save"));
                $form->addCommandButton("view", $this->lng->txt("cancel"));
                
                return $form;
        }
        
        function saveNewEntryObject()
        {
                global $ilCtrl, $ilUser, $ilDB;
                
                $form = $this->initAddNewEntryForm();
                if($form->checkInput())
                {
                        $mod = $form->getInput("mod");
                        $id = $form->getInput("id");
                        
                        $lang = array();
                        foreach ($this->lng->getInstalledLanguages() as $lang_key)
                        {
                                $trans = trim($form->getInput("trans_".$lang_key));
                                if($trans)
                                {                                       
                                        // add single entry
                                        ilObjLanguage::replaceLangEntry(
                                                $mod, 
                                                $id,
                                                $lang_key, 
                                                $trans, 
                                                date("Y-m-d H:i:s"), 
                                                $ilUser->getLogin()                                             
                                        );
                                        
                                        // add to serialized module
                                        $set = $ilDB->query("SELECT lang_array FROM lng_modules".
                                                " WHERE lang_key = ".$ilDB->quote($lang_key, "text").
                                                " AND module = ".$ilDB->quote($mod, "text"));                                   
                                        $row = $ilDB->fetchAssoc($set);
                                        $entries = unserialize($row["lang_array"]);
                                        if(is_array($entries))
                                        {
                                                $entries[$id] = $trans;                                         
                                                ilObjLanguage::replaceLangModule($lang_key, $mod, $entries);
                                        }                                       
                                }                                                               
                        }               
                        
                        ilUtil::sendSuccess($this->lng->txt("settings_saved"), true);
                        $ilCtrl->redirect($this, "view");
                }
                
                $form->setValuesByPost();
                $this->addNewEntryObject($form);
        }
        
        
} // END class.ilObjLanguageExtGUI
?>