class.ilObjOrgUnitGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
require_once("./Services/Container/classes/class.ilContainerGUI.php");
require_once("./Services/AccessControl/classes/class.ilObjRole.php");
require_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
require_once("./Services/AccessControl/classes/class.ilPermissionGUI.php");
require_once("./Services/InfoScreen/classes/class.ilInfoScreenGUI.php");
require_once("./Services/User/classes/class.ilUserAccountSettings.php");
require_once("./Services/Tracking/classes/class.ilLearningProgressGUI.php");
require_once("./Services/User/classes/class.ilObjUserFolderGUI.php");
require_once("./Services/Tree/classes/class.ilTree.php");
require_once("./Modules/OrgUnit/classes/Staff/class.ilOrgUnitStaffGUI.php");
require_once("./Modules/OrgUnit/classes/LocalUser/class.ilLocalUserGUI.php");
require_once("./Modules/OrgUnit/classes/Translation/class.ilTranslationGUI.php");
require_once("./Modules/OrgUnit/classes/ExtId/class.ilExtIdGUI.php");
require_once("./Modules/OrgUnit/classes/SimpleImport/class.ilOrgUnitSimpleImportGUI.php");
require_once("./Modules/OrgUnit/classes/SimpleUserImport/class.ilOrgUnitSimpleUserImportGUI.php");
require_once("./Modules/OrgUnit/classes/class.ilOrgUnitImporter.php");
require_once("./Services/Object/classes/class.ilObjectAddNewItemGUI.php");
require_once("class.ilOrgUnitExplorerGUI.php");
require_once("class.ilOrgUnitExportGUI.php");
require_once("class.ilObjOrgUnitAccess.php");
require_once("class.ilObjOrgUnitTree.php");
require_once(dirname(__FILE__) . '/Types/class.ilOrgUnitTypeGUI.php');
require_once(dirname(__FILE__) . '/Settings/class.ilObjOrgUnitSettingsFormGUI.php');
require_once('./Services/AdvancedMetaData/classes/class.ilAdvancedMDRecordGUI.php');
require_once('./Services/Container/classes/class.ilContainerByTypeContentGUI.php');
require_once("./Modules/OrgUnit/classes/Extension/class.ilOrgUnitExtension.php");

class ilObjOrgUnitGUI extends ilContainerGUI {

        public $ctrl;
        public $tpl;
        public $tabs_gui;
        protected $ilAccess;
        protected $toolbar;
        protected $ilLocator;
        public $tree;
        public $object;
        protected $ilLog;
        public $ilias;


        public function __construct() {
                global $DIC;
                $tpl = $DIC['tpl'];
                $ilCtrl = $DIC['ilCtrl'];
                $ilAccess = $DIC['ilAccess'];
                $ilToolbar = $DIC['ilToolbar'];
                $ilLocator = $DIC['ilLocator'];
                $tree = $DIC['tree'];
                $lng = $DIC['lng'];
                $ilLog = $DIC['ilLog'];
                $ilias = $DIC['ilias'];
                parent::__construct(array(), $_GET["ref_id"], true, false);

                $this->tpl = $tpl;
                $this->ctrl = $ilCtrl;
                $this->ilAccess = $ilAccess;
                $this->ilLocator = $ilLocator;
                $this->tree = $tree;
                $this->toolbar = $ilToolbar;
                $this->ilLog = $ilLog;
                $this->ilias = $ilias;
                $this->type = 'orgu';

                $lng->loadLanguageModule("orgu");
                $this->tpl->addCss('./Modules/OrgUnit/templates/default/orgu.css');
        }


        public function executeCommand() {
                $cmd = $this->ctrl->getCmd();
                $next_class = $this->ctrl->getNextClass($this);
                parent::prepareOutput();

                //Otherwise move-Objects would not work
                if ($cmd != "cut") {
                        $this->showTree();
                }

                switch ($next_class) {
                        case "illocalusergui":
                                if (!ilObjOrgUnitAccess::_checkAccessAdministrateUsers((int)$_GET['ref_id'])) {
                                        ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
                                        $this->ctrl->redirect($this);
                                }
                                $this->tabs_gui->setTabActive('administrate_users');
                                $ilLocalUserGUI = new ilLocalUserGUI($this);
                                $this->ctrl->forwardCommand($ilLocalUserGUI);
                                break;
                        case "ilorgunitsimpleimportgui":
                                $this->tabs_gui->setTabActive("view");
                                $this->setContentSubTabs();
                                $this->tabs_gui->setSubTabActive('import');
                                $ilOrgUnitSimpleImportGUI = new ilOrgUnitSimpleImportGUI($this);
                                $this->ctrl->forwardCommand($ilOrgUnitSimpleImportGUI);
                                break;
                        case "ilorgunitsimpleuserimportgui":
                                $ilOrgUnitSimpleUserImportGUI = new ilOrgUnitSimpleUserImportGUI($this);
                                $this->ctrl->forwardCommand($ilOrgUnitSimpleUserImportGUI);
                                break;
                        case "ilorgunitstaffgui":
                        case "ilrepositorysearchgui":
                                $this->tabs_gui->setTabActive('orgu_staff');
                                $ilOrgUnitStaffGUI = new ilOrgUnitStaffGUI($this);
                                $this->ctrl->forwardCommand($ilOrgUnitStaffGUI);
                                break;
                        case "ilobjusergui":
                                switch ($cmd) {
                                        case "create":
                                                $ilObjUserGUI = new ilObjUserGUI("", (int)$_GET['ref_id'], true, false);
                                                $ilObjUserGUI->setCreationMode(true);
                                                $this->ctrl->forwardCommand($ilObjUserGUI);
                                                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTargetByClass("illocalusergui", 'index'));
                                                break;
                                        case "save":
                                                $ilObjUserGUI = new ilObjUserGUI("", $_GET['ref_id'], true, false);
                                                $ilObjUserGUI->setCreationMode(true);
                                                $this->ctrl->forwardCommand($ilObjUserGUI);
                                                $this->tabs_gui->clearTargets();
                                                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTargetByClass("illocalusergui", 'index'));
                                                break;
                                        case "view":
                                        case "update":
                                                $ilObjUserGUI = new ilObjUserGUI("", (int)$_GET['obj_id'], false, false);
                                                $ilObjUserGUI->setCreationMode(false);
                                                $this->ctrl->forwardCommand($ilObjUserGUI);
                                                $this->tabs_gui->clearTargets();
                                                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTargetByClass("illocalusergui", 'index'));
                                                break;
                                        case "cancel":
                                                $this->ctrl->redirectByClass("illocalusergui", "index");
                                                break;
                                }
                                break;
                        case "ilobjuserfoldergui":
                                switch ($cmd) {
                                        case "view":
                                                $this->ctrl->redirectByClass("illocalusergui", "index");
                                                break;
                                        default:
                                                $ilObjUserFolderGUI = new ilObjUserFolderGUI("", (int)$_GET['ref_id'], true, false);
                                                $ilObjUserFolderGUI->setUserOwnerId((int)$_GET['ref_id']);
                                                $ilObjUserFolderGUI->setCreationMode(true);
                                                $this->ctrl->forwardCommand($ilObjUserFolderGUI);
                                                $this->tabs_gui->clearTargets();
                                                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTargetByClass("illocalusergui", 'index'));
                                                break;
                                }
                                break;
                        case "ilinfoscreengui":
                                $this->tabs_gui->setTabActive("info_short");
                                if (!$this->ilAccess->checkAccess("read", "", $this->ref_id) AND !$this->ilAccess->checkAccess("visible", "", $this->ref_id)) {
                                        $this->ilias->raiseError($this->lng->txt("msg_no_perm_read"), $this->ilias->error_obj->MESSAGE);
                                }
                                $info = new ilInfoScreenGUI($this);
                                $amd_gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_INFO, 'orgu', $this->object->getId(), 'orgu_type', $this->object->getOrgUnitTypeId());
                                $amd_gui->setInfoObject($info);
                                $amd_gui->parse();
                                $this->ctrl->forwardCommand($info);
                                break;
                        case 'ilpermissiongui':
                                $this->tabs_gui->setTabActive('perm_settings');
                                $ilPermissionGUI = new ilPermissionGUI($this);
                                $this->ctrl->forwardCommand($ilPermissionGUI);
                                break;
                        case "ilcommonactiondispatchergui":
                                include_once("Services/Object/classes/class.ilCommonActionDispatcherGUI.php");
                                $gui = ilCommonActionDispatcherGUI::getInstanceFromAjaxCall();
                                $this->ctrl->forwardCommand($gui);
                                break;
                        case 'illearningprogressgui':
                        case 'illplistofprogressgui':
                                $this->tabs_gui->clearTargets();
                                $this->tabs_gui->setBackTarget($this->lng->txt('backto_staff'), $this->ctrl->getLinkTargetByClass("ilOrgUnitStaffGUI", 'showStaff'));
                                if (!ilObjOrgUnitAccess::_checkAccessToUserLearningProgress($this->object->getRefid(), $_GET['obj_id'])) {
                                        ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
                                        $this->ctrl->redirectByClass("ilOrgUnitStaffGUI", "showStaff");
                                }
                                $this->ctrl->saveParameterByClass("illearningprogressgui", "obj_id");
                                $this->ctrl->saveParameterByClass("illearningprogressgui", "recursive");
                                include_once './Services/Tracking/classes/class.ilLearningProgressGUI.php';
                                $new_gui = new ilLearningProgressGUI(ilLearningProgressGUI::LP_CONTEXT_ORG_UNIT, $_GET["ref_id"], $_GET['obj_id']);
                                $this->ctrl->forwardCommand($new_gui);
                                break;
                        case 'ilorgunitexportgui':
                                $this->tabs_gui->setTabActive('export');;
                                $ilOrgUnitExportGUI = new ilOrgUnitExportGUI($this);
                                $ilOrgUnitExportGUI->addFormat('xml');
                                $this->ctrl->forwardCommand($ilOrgUnitExportGUI);
                                break;
                        case 'iltranslationgui':
                                $this->tabs_gui->setTabActive("settings");
                                $this->setSubTabsSettings('edit_translations');

                                $ilTranslationGui = new ilTranslationGUI($this);
                                $this->ctrl->forwardCommand($ilTranslationGui);
                                break;
                        case 'ilorgunittypegui':
                                $this->tabs_gui->setTabActive('orgu_types');
                                $types_gui = new ilOrgUnitTypeGUI($this);
                                $this->ctrl->forwardCommand($types_gui);
                                break;
                        default:
                                switch ($cmd) {
                                        case '':
                                        case 'view':
                                        case 'render':
                                        case 'cancel':
                                        case 'cancelDelete':
                                                $this->view();
                                                break;
                                        case 'performPaste':
                                                $this->performPaste();
                                                break;
                                        case 'paste':
                                                $this->performPaste();
                                                break;
                                        case 'performPasteIntoMultipleObjects':
                                                $this->performPasteIntoMultipleObjectsObject();
                                                break;
                                        case 'create':
                                                parent::createObject();
                                                break;
                                        case 'save':
                                                parent::saveObject();
                                                break;
                                        case 'delete':
                                                $this->tabs_gui->clearTargets();
                                                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTarget($this));
                                                parent::deleteObject();
                                                break;
                                        case 'confirmedDelete':
                                                parent::confirmedDeleteObject();
                                                break;
                                        case 'cut':
                                                $this->tabs_gui->clearTargets();
                                                $this->tabs_gui->setBackTarget($this->lng->txt("back"), $this->ctrl->getLinkTarget($this));
                                                parent::cutObject();
                                                break;
                                        case 'clear':
                                                parent::clearObject();
                                                break;
                                        case 'enableAdministrationPanel':
                                                parent::enableAdministrationPanelObject();
                                                break;
                                        case 'disableAdministrationPanel':
                                                parent::disableAdministrationPanelObject();
                                                break;
                                        case 'getAsynchItemList':
                                                parent::getAsynchItemListObject();
                                                break;
                                        case 'editSettings':
                                                $this->tabs_gui->setTabActive("settings");
                                                $this->setSubTabsSettings('edit_settings');
                                                $this->editSettings();
                                                break;
                                        case 'updateSettings':
                                                $this->tabs_gui->setTabActive("settings");
                                                $this->setSubTabsSettings('edit_settings');
                                                $this->updateSettings();
                                                break;
                                        case 'editAdvancedSettings':
                                                $this->tabs_gui->setTabActive("settings");
                                                $this->setSubTabsSettings('edit_advanced_settings');
                                                $this->editAdvancedSettings();
                                                break;
                                        case 'updateAdvancedSettings':
                                                $this->tabs_gui->setTabActive("settings");
                                                $this->setSubTabsSettings('edit_advanced_settings');
                                                $this->updateAdvancedSettings();
                                                break;
                                        case 'importFile':
                                                $this->importFileObject();
                                                break;
                                }
                                break;
                }
        }


        public function view() {
                if (!$this->ilAccess->checkAccess("read", "", $_GET["ref_id"])) {
                        if ($this->ilAccess->checkAccess("visible", "", $_GET["ref_id"])) {
                                ilUtil::sendFailure($this->lng->txt("msg_no_perm_read"));
                                $this->ctrl->redirectByClass('ilinfoscreengui', '');
                        }

                        $this->ilias->raiseError($this->lng->txt("msg_no_perm_read"), $this->ilias->error_obj->WARNING);
                }

                parent::renderObject();
                $this->tabs_gui->setTabActive("view_content");
                $this->tabs_gui->removeSubTab("page_editor");
                $this->tabs_gui->removeSubTab("ordering"); // Mantis 0014728

        }

        protected function initCreationForms($a_new_type) {
                $forms = array(
                        self::CFORM_NEW => $this->initCreateForm($a_new_type),
                        self::CFORM_IMPORT => $this->initImportForm($a_new_type),
                );

                return $forms;
        }


        public function showPossibleSubObjects() {
                $gui = new ilObjectAddNewItemGUI($this->object->getRefId());
                $gui->setMode(ilObjectDefinition::MODE_ADMINISTRATION);
                $gui->setCreationUrl("ilias.php?ref_id=" . $_GET["ref_id"] . "&admin_mode=settings&cmd=create&baseClass=ilAdministrationGUI");
                $gui->render();
        }


        public function showTree() {
                $tree = new ilOrgUnitExplorerGUI("orgu_explorer", "ilObjOrgUnitGUI", "showTree", new ilTree(1));
                $tree->setTypeWhiteList(
                        $this->getTreeWhiteList()
                );
                if (!$tree->handleCommand()) {
                        $this->tpl->setLeftNavContent($tree->getHTML());
                }
                $this->ctrl->setParameterByClass("ilObjOrgUnitGUI", "ref_id", $_GET["ref_id"]);
        }

        protected function getTreeWhiteList() {
                $whiteList = array("orgu");
                $pls = ilOrgUnitExtension::getActivePluginIdsForTree();
                return array_merge($whiteList, $pls);
        }


        public function setTitleAndDescription() {
                # all possible create permissions
                parent::setTitleAndDescription();
                if ($this->object->getTitle() == "__OrgUnitAdministration") {
                        $this->tpl->setTitle($this->lng->txt("objs_orgu"));
                        $this->tpl->setDescription($this->lng->txt("objs_orgu"));
                }

                // Check for custom icon of type
                if ($this->ilias->getSetting('custom_icons')) {
                        $icons_cache = ilObjOrgUnit::getIconsCache();
                        $icon_file = (isset($icons_cache[$this->object->getId()])) ? $icons_cache[$this->object->getId()] : '';
                        if ($icon_file) {
                                $this->tpl->setTitleIcon($icon_file, $this->lng->txt("obj_" . $this->object->getType()));
                        }
                }
        }


        protected function addAdminLocatorItems($a_do_not_add_object = false) {
                $path = $this->tree->getPathFull($_GET["ref_id"], ilObjOrgUnit::getRootOrgRefId());
                // add item for each node on path
                foreach ((array)$path as $key => $row) {
                        if ($row["title"] == "__OrgUnitAdministration") {
                                $row["title"] = $this->lng->txt("objs_orgu");
                        }
                        $this->ctrl->setParameterByClass("ilobjorgunitgui", "ref_id", $row["child"]);
                        $this->ilLocator->addItem($row["title"], $this->ctrl->getLinkTargetByClass("ilobjorgunitgui", "view"), ilFrameTargetInfo::_getFrame("MainContent"), $row["child"]);
                        $this->ctrl->setParameterByClass("ilobjorgunitgui", "ref_id", $_GET["ref_id"]);
                }
        }


        protected function redirectToRefId($a_ref_id, $a_cmd = "") {
                $obj_type = ilObject::_lookupType($a_ref_id, true);
                if ($obj_type != "orgu") {
                        parent::redirectToRefId($a_ref_id, $a_cmd);
                } else {
                        $this->ctrl->setParameterByClass("ilObjOrgUnitGUI", "ref_id", $a_ref_id);
                        $this->ctrl->redirectByClass("ilObjOrgUnitGUI", $a_cmd);
                }
        }


        public function getTabs() {
                if ($this->ilAccess->checkAccess('read', '', $this->object->getRefId())) {
                        $this->tabs_gui->addTab("view_content", $this->lng->txt("content"), $this->ctrl->getLinkTarget($this, ""));
                        $this->tabs_gui->addTab("info_short", "Info", $this->ctrl->getLinkTargetByClass("ilinfoscreengui", "showSummary"));
                }

                // Tabs for OrgUnits exclusive root!
                if ($this->object->getRefId() != ilObjOrgUnit::getRootOrgRefId()) {
                        if (ilObjOrgUnitAccess::_checkAccessStaff($this->object->getRefId())) {
                                $this->tabs_gui->addTab("orgu_staff", $this->lng->txt("orgu_staff"), $this->ctrl->getLinkTargetByClass("ilOrgUnitStaffGUI", "showStaff"));
                        }
                        if ($this->ilAccess->checkAccess('write', '', $this->object->getRefId())) {
                                $this->tabs_gui->addTab("settings", $this->lng->txt("settings"), $this->ctrl->getLinkTarget($this, 'editSettings'));
                        }
                        if (ilObjOrgUnitAccess::_checkAccessAdministrateUsers($this->object->getRefId())) {
                                $this->tabs_gui->addTab("administrate_users", $this->lng->txt("administrate_users"), $this->ctrl->getLinkTargetByClass("ilLocalUserGUI", "index"));
                        }
                }

                if ($this->ilAccess->checkAccess('write', '', $this->object->getRefId())) {
                        $this->tabs_gui->addTarget('export', $this->ctrl->getLinkTargetByClass('ilorgunitexportgui', ''), 'export', 'ilorgunitexportgui');

                        // Add OrgUnit types tab
                        if ($this->object->getRefId() == ilObjOrgUnit::getRootOrgRefId()) {
                                $this->tabs_gui->addTab('orgu_types', $this->lng->txt('orgu_types'), $this->ctrl->getLinkTargetByClass('ilOrgUnitTypeGUI'));
                        }
                }
                parent::getTabs();
        }


        protected function setSubTabsSettings($active_tab_id) {
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();
                $this->tabs_gui->addSubTab('edit_settings', $this->lng->txt('settings'), $this->ctrl->getLinkTarget($this, 'editSettings'));
                $this->tabs_gui->addSubTab("edit_translations", $this->lng->txt("obj_multilinguality"), $this->ctrl->getLinkTargetByClass("iltranslationgui", "editTranslations"));

                $ilOrgUnitType = $this->object->getOrgUnitType();
                if ($ilOrgUnitType instanceof ilOrgUnitType) {
                        if (count($ilOrgUnitType->getAssignedAdvancedMDRecords(true))) {
                                $this->tabs_gui->addSubTab('edit_advanced_settings', $this->lng->txt('orgu_adv_settings'), $this->ctrl->getLinkTarget($this, 'editAdvancedSettings'));
                        }
                }

                $this->tabs_gui->setSubTabActive($active_tab_id);
                switch ($next_class) {
                        case 'iltranslationgui':
                                $this->tabs_gui->setSubTabActive("edit_translations");
                                break;
                        case '':
                                switch ($cmd) {
                                        case 'editSettings':
                                                $this->tabs_gui->setSubTabActive('edit_settings');
                                                break;
                                        case 'editAdvancedSettings':
                                        case 'updateAdvancedSettings':
                                                $this->tabs_gui->setSubTabActive('edit_advanced_settings');
                                                break;
                                }
                                break;
                }

                return;
        }

        function setContentSubTabs()
        {
                $this->addStandardContainerSubTabs();
                //only display the import tab at the first level
                if ($this->ilAccess->checkAccess("write", "", $_GET["ref_id"]) AND $this->object->getRefId() == ilObjOrgUnit::getRootOrgRefId()) {
                        $this->tabs_gui->addSubTab("import", $this->lng->txt("import"), $this->ctrl->getLinkTargetByClass("ilOrgUnitSimpleImportGUI", "chooseImport"));
                }
        }


        protected function initAdvancedSettingsForm() {
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->addCommandButton('updateAdvancedSettings', $this->lng->txt('save'));
                $form->addCommandButton('editSettings', $this->lng->txt('cancel'));

                return $form;
        }


        protected function editAdvancedSettings() {
                if (!$this->ilAccess->checkAccess("write", "", $this->ref_id)) {
                        ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
                        $this->ctrl->redirect($this);
                }
                $form = $this->initAdvancedSettingsForm();
                $gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_EDITOR, 'orgu', $this->object->getId(), 'orgu_type', $this->object->getOrgUnitTypeId());
                $gui->setPropertyForm($form);
                $gui->parse();
                $this->tpl->setContent($form->getHTML());
        }


        protected function updateAdvancedSettings() {
                if (!$this->ilAccess->checkAccess("write", "", $this->ref_id)) {
                        ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
                        $this->ctrl->redirect($this);
                }
                $form = $this->initAdvancedSettingsForm();
                $gui = new ilAdvancedMDRecordGUI(ilAdvancedMDRecordGUI::MODE_EDITOR, 'orgu', $this->object->getId(), 'orgu_type', $this->object->getOrgUnitTypeId());
                $gui->setPropertyForm($form);
                $form->checkInput();
                $gui->parse();
                if ($gui->importEditFormPostValues()) {
                        $gui->writeEditForm();
                        ilUtil::sendSuccess($this->lng->txt('settings_saved'), true);
                        $this->ctrl->redirect($this, 'editAdvancedSettings');
                } else {
                        $this->tpl->setContent($form->getHTML());
                }
        }

        public function editSettings() {
                if (!$this->ilAccess->checkAccess("write", "", $this->ref_id)) {
                        ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
                        $this->ctrl->redirect($this);
                }
                $form = new ilObjOrgUnitSettingsFormGUI($this, $this->object);
                $this->tpl->setContent($form->getHTML());
        }


        public function updateSettings() {
                if (!$this->ilAccess->checkAccess("write", "", $this->ref_id)) {
                        ilUtil::sendFailure($this->lng->txt("permission_denied"), true);
                        $this->ctrl->redirect($this);
                }
                $form = new ilObjOrgUnitSettingsFormGUI($this, $this->object);
                if ($form->saveObject()) {
                        ilUtil::sendSuccess($this->lng->txt('msg_obj_modified'), true);
                        $this->ctrl->redirect($this, 'editSettings');
                } else {
                        $this->tpl->setContent($form->getHTML());
                }
        }


        public function showAdministrationPanel(&$tpl) {
                parent::showAdministrationPanel($tpl);
                //an ugly encapsulation violation in order to remove the "verknüpfen"/"link" and copy button.
                if (!$toolbar = $tpl->admin_panel_commands_toolbar) {
                        return;
                }
                if (is_array($toolbar->items)) {
                        foreach ($toolbar->items as $key => $item) {
                                if ($item["cmd"] == "link" || $item["cmd"] == "copy" || $item["cmd"] == "download") {
                                        unset($toolbar->items[$key]);
                                }
                        }
                }
        }


        public static function _goto($ref_id) {
                global $DIC;
                $ilCtrl = $DIC['ilCtrl'];
                $ilCtrl->initBaseClass("ilAdministrationGUI");
                $ilCtrl->setTargetScript("ilias.php");
                $ilCtrl->setParameterByClass("ilObjOrgUnitGUI", "ref_id", $ref_id);
                $ilCtrl->setParameterByClass("ilObjOrgUnitGUI", "admin_mode", "settings");
                $ilCtrl->setParameterByClass("IlObjPluginDispatchGUI", "admin_mode", "settings");
                $ilCtrl->redirectByClass(array( "ilAdministrationGUI", "ilObjOrgUnitGUI" ), "view");
        }


        protected function getTreeSelectorGUI($cmd) {
                global $DIC;
                $tree = $DIC['tree'];
                $explorer = new ilOrgUnitExplorerGUI("rep_exp_sel", $this, "showPasteTree", $tree);
                $explorer->setAjax(false);
                $explorer->setSelectMode('nodes[]', false);

                return $explorer;
        }


        public function getAdminTabs() {
                $this->getTabs();
        }


        public function performPaste() {

                if (!in_array($_SESSION['clipboard']['cmd'], array( 'cut' ))) {
                        $message = __METHOD__ . ": cmd was not 'cut' ; may be a hack attempt!";
                        $this->ilias->raiseError($message, $this->ilias->error_obj->WARNING);
                }
                if ($_SESSION['clipboard']['cmd'] == 'cut') {
                        if (isset($_GET['ref_id']) && (int)$_GET['ref_id']) {
                                $_POST['nodes'] = array( $_GET['ref_id'] );
                                $this->performPasteIntoMultipleObjectsObject();
                        }
                }
                $this->ctrl->returnToParent($this);
        }


        function doUserAutoCompleteObject() {
        }

        //
        // METHODS for local user administration.
        //
        public function &__initTableGUI() {
                return parent::__initTableGUI();
        }


        public function __setTableGUIBasicData(&$tbl, &$result_set, $a_from = "") {
                return parent::__setTableGUIBasicData($tbl, $result_set, $a_from);
        }
}

?>