class.ilObjRepositorySettingsGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
include_once("./Services/Object/classes/class.ilObjectGUI.php");
 
class ilObjRepositorySettingsGUI extends ilObjectGUI
{
    protected $error;
 
    protected $rbacsystem;
 
    public function __construct($a_data, $a_id, $a_call_by_reference = true, $a_prepare_output = true)
    {
        global $DIC;
 
        $this->error = $DIC["ilErr"];
        $this->access = $DIC->access();
        $this->rbacsystem = $DIC->rbac()->system();
        $this->settings = $DIC->settings();
        $this->ctrl = $DIC->ctrl();
        $this->lng = $DIC->language();
        $this->toolbar = $DIC->toolbar();
        parent::__construct($a_data, $a_id, $a_call_by_reference, $a_prepare_output);
 
        $this->type = 'reps';
        $this->lng->loadLanguageModule('rep');
        $this->lng->loadLanguageModule('cmps');
    }
    
    public function executeCommand()
    {
        $ilErr = $this->error;
        $ilAccess = $this->access;
 
        $next_class = $this->ctrl->getNextClass($this);
        $cmd = $this->ctrl->getCmd();
 
        $this->prepareOutput();
 
        if (!$ilAccess->checkAccess('read', '', $this->object->getRefId())) {
            $ilErr->raiseError($this->lng->txt('no_permission'), $ilErr->WARNING);
        }
 
        switch ($next_class) {
            case 'ilpermissiongui':
                $this->tabs_gui->setTabActive('perm_settings');
                include_once("Services/AccessControl/classes/class.ilPermissionGUI.php");
                $perm_gui = new ilPermissionGUI($this);
                $this->ctrl->forwardCommand($perm_gui);
                break;
 
            default:
                $this->$cmd();
                break;
        }
        return true;
    }
    
    public function getAdminTabs()
    {
        $rbacsystem = $this->rbacsystem;
        
        $this->tabs_gui->addTab(
            "settings",
            $this->lng->txt("settings"),
            $this->ctrl->getLinkTarget($this, "view")
        );
        
        $this->tabs_gui->addTab(
            "icons",
            $this->lng->txt("rep_custom_icons"),
            $this->ctrl->getLinkTarget($this, "customIcons")
        );
        
        $this->tabs_gui->addTab(
            "modules",
            $this->lng->txt("cmps_repository_object_types"),
            $this->ctrl->getLinkTarget($this, "listModules")
        );
        
        if ($rbacsystem->checkAccess('edit_permission', $this->object->getRefId())) {
            $this->tabs_gui->addTab(
                "perm_settings",
                $this->lng->txt("perm_settings"),
                $this->ctrl->getLinkTargetByClass('ilpermissiongui', "perm")
            );
        }
    }
    
    public function view(ilPropertyFormGUI $a_form = null)
    {
        $this->tabs_gui->activateTab("settings");
        
        if (!$a_form) {
            $a_form = $this->initSettingsForm();
        }
        
        $this->tpl->setContent($a_form->getHTML());
    }
    
    protected function initSettingsForm()
    {
        $ilSetting = $this->settings;
        $ilAccess = $this->access;
        
        include_once('Services/Form/classes/class.ilPropertyFormGUI.php');
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt("settings"));
        $form->setFormAction($this->ctrl->getFormAction($this, 'saveSettings'));
        
        // default repository view
        $options = array(
            "flat" => $this->lng->txt("flatview"),
            "tree" => $this->lng->txt("treeview")
            );
        $si = new ilSelectInputGUI($this->lng->txt("def_repository_view"), "default_rep_view");
        $si->setOptions($options);
        $si->setInfo($this->lng->txt(""));
        if ($ilSetting->get("default_repository_view") == "tree") {
            $si->setValue("tree");
        } else {
            $si->setValue("flat");
        }
        $form->addItem($si);
 
        //
        $options = array(
            "" => $this->lng->txt("adm_rep_tree_only_container"),
            "tree" => $this->lng->txt("adm_all_resource_types")
            );
 
        // repository tree
        $radg = new ilRadioGroupInputGUI($this->lng->txt("adm_rep_tree_presentation"), "tree_pres");
        $radg->setValue($ilSetting->get("repository_tree_pres"));
        $op1 = new ilRadioOption(
            $this->lng->txt("adm_rep_tree_only_cntr"),
            "",
            $this->lng->txt("adm_rep_tree_only_cntr_info")
        );
        $radg->addOption($op1);
 
        $op2 = new ilRadioOption(
            $this->lng->txt("adm_rep_tree_all_types"),
            "all_types",
            $this->lng->txt("adm_rep_tree_all_types_info")
        );
 
        // limit tree in courses and groups
        $cb = new ilCheckboxInputGUI($this->lng->txt("adm_rep_tree_limit_grp_crs"), "rep_tree_limit_grp_crs");
        $cb->setChecked($ilSetting->get("rep_tree_limit_grp_crs"));
        $cb->setInfo($this->lng->txt("adm_rep_tree_limit_grp_crs_info"));
        $op2->addSubItem($cb);
 
        $radg->addOption($op2);
 
        $form->addItem($radg);
    
        /* OBSOLETE
        // synchronize repository tree with main view
        $cb = new ilCheckboxInputGUI($this->lng->txt("adm_synchronize_rep_tree"), "rep_tree_synchronize");
        $cb->setInfo($this->lng->txt("adm_synchronize_rep_tree_info"));
        $cb->setChecked($ilSetting->get("rep_tree_synchronize"));
        $form->addItem($cb);
        */
        
        /* DISABLED
        // repository access check
        $options = array(
            0 => "0",
            10 => "10",
            30 => "30",
            60 => "60",
            120 => "120"
            );
        $si = new ilSelectInputGUI($this->lng->txt("adm_repository_cache_time"), "rep_cache");
        $si->setOptions($options);
        $si->setValue($ilSetting->get("rep_cache"));
        $si->setInfo($this->lng->txt("adm_repository_cache_time_info")." ".
            $this->lng->txt("adm_repository_cache_time_info2"));
        $form->addItem($si);
        */
    
        // trash
        $cb = new ilCheckboxInputGUI($this->lng->txt("enable_trash"), "enable_trash");
        $cb->setInfo($this->lng->txt("enable_trash_info"));
        if ($ilSetting->get("enable_trash")) {
            $cb->setChecked(true);
        }
        $form->addItem($cb);
    
        // change event
        require_once 'Services/Tracking/classes/class.ilChangeEvent.php';
        $this->lng->loadLanguageModule("trac");
        $event = new ilCheckboxInputGUI($this->lng->txt('trac_show_repository_views'), 'change_event_tracking');
        $event->setInfo($this->lng->txt("trac_show_repository_views_info"));
        $event->setChecked(ilChangeEvent::_isActive());
        $form->addItem($event);
        
        
        include_once "Services/Administration/classes/class.ilAdministrationSettingsFormHandler.php";
        ilAdministrationSettingsFormHandler::addFieldsToForm(
            ilAdministrationSettingsFormHandler::FORM_REPOSITORY,
            $form,
            $this
        );
        
        
        // object lists
        
        $lists = new ilFormSectionHeaderGUI();
        $lists->setTitle($this->lng->txt("rep_object_lists"));
        $form->addItem($lists);
            
        $sdesc = new ilCheckboxInputGUI($this->lng->txt("adm_rep_shorten_description"), "rep_shorten_description");
        $sdesc->setInfo($this->lng->txt("adm_rep_shorten_description_info"));
        $sdesc->setChecked($ilSetting->get("rep_shorten_description"));
        $form->addItem($sdesc);
        
        $sdesclen = new ilNumberInputGUI($this->lng->txt("adm_rep_shorten_description_length"), "rep_shorten_description_length");
        $sdesclen->setValue($ilSetting->get("rep_shorten_description_length"));
        $sdesclen->setSize(3);
        $sdesc->addSubItem($sdesclen);
            
        // load action commands asynchronously
        $cb = new ilCheckboxInputGUI($this->lng->txt("adm_item_cmd_asynch"), "item_cmd_asynch");
        $cb->setInfo($this->lng->txt("adm_item_cmd_asynch_info"));
        $cb->setChecked($ilSetting->get("item_cmd_asynch"));
        $form->addItem($cb);
        
        // notes/comments/tagging
        $pl = new ilCheckboxInputGUI($this->lng->txt('adm_show_comments_tagging_in_lists'), 'comments_tagging_in_lists');
        $pl->setValue(1);
        $pl->setChecked($ilSetting->get('comments_tagging_in_lists'));
        $form->addItem($pl);
        
        $pltags = new ilCheckboxInputGUI($this->lng->txt('adm_show_comments_tagging_in_lists_tags'), 'comments_tagging_in_lists_tags');
        $pltags->setValue(1);
        $pltags->setChecked($ilSetting->get('comments_tagging_in_lists_tags'));
        $pl->addSubItem($pltags);
                
        if ($ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $form->addCommandButton('saveSettings', $this->lng->txt('save'));
        }
        
        return $form;
    }
    
    public function saveSettings()
    {
        $ilSetting = $this->settings;
        $ilAccess = $this->access;
        
        if (!$ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $this->ctrl->redirect($this, "view");
        }
    
        $form = $this->initSettingsForm();
        if ($form->checkInput()) {
            $ilSetting->set("default_repository_view", $_POST["default_rep_view"]);
                        
            $ilSetting->set("repository_tree_pres", $_POST["tree_pres"]);
            if ($_POST["tree_pres"] == "") {
                $_POST["rep_tree_limit_grp_crs"] = "";
            }
            if ($_POST["rep_tree_limit_grp_crs"] && !$ilSetting->get("rep_tree_limit_grp_crs")) {
                $_POST["rep_tree_synchronize"] = true;
            } elseif (!$_POST["rep_tree_synchronize"] && $ilSetting->get("rep_tree_synchronize")) {
                $_POST["rep_tree_limit_grp_crs"] = false;
            }
            $ilSetting->set("rep_tree_limit_grp_crs", $_POST["rep_tree_limit_grp_crs"]);
                        
            // $ilSetting->set('rep_cache',(int) $_POST['rep_cache']);
            // $ilSetting->set("rep_tree_synchronize", $_POST["rep_tree_synchronize"]);
            
            $ilSetting->set("enable_trash", $_POST["enable_trash"]);
             
            $ilSetting->set("rep_shorten_description", $form->getInput('rep_shorten_description'));
            $ilSetting->set("rep_shorten_description_length", (int) $form->getInput('rep_shorten_description_length'));
            $ilSetting->set('item_cmd_asynch', (int) $_POST['item_cmd_asynch']);
            $ilSetting->set('comments_tagging_in_lists', (int) $_POST['comments_tagging_in_lists']);
            $ilSetting->set('comments_tagging_in_lists_tags', (int) $_POST['comments_tagging_in_lists_tags']);
                        
            require_once 'Services/Tracking/classes/class.ilChangeEvent.php';
            if ($form->getInput('change_event_tracking')) {
                ilChangeEvent::_activate();
            } else {
                ilChangeEvent::_deactivate();
            }
                        
            ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
            $this->ctrl->redirect($this, "view");
        }
        
        $form->setValuesByPost();
        $this->view($form);
    }
    
    public function customIcons(ilPropertyFormGUI $a_form = null)
    {
        $this->tabs_gui->activateTab("icons");
        
        if (!$a_form) {
            $a_form = $this->initCustomIconsForm();
        }
        
        $this->tpl->setContent($a_form->getHTML());
    }
    
    protected function initCustomIconsForm()
    {
        $ilSetting = $this->settings;
        $ilAccess = $this->access;
        
        include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
        include_once "Services/Form/classes/class.ilCombinationInputGUI.php";
        $form = new ilPropertyFormGUI();
        $form->setTitle($this->lng->txt("rep_custom_icons"));
        $form->setFormAction($this->ctrl->getFormAction($this, 'saveCustomIcons'));
                
        $cb = new ilCheckboxInputGUI($this->lng->txt("enable_custom_icons"), "custom_icons");
        $cb->setInfo($this->lng->txt("enable_custom_icons_info"));
        $cb->setChecked($ilSetting->get("custom_icons"));
        $form->addItem($cb);
 
        if ($ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $form->addCommandButton('saveCustomIcons', $this->lng->txt('save'));
        }
        
        return $form;
    }
    
    public function saveCustomIcons()
    {
        $ilSetting = $this->settings;
        $ilAccess = $this->access;
        
        if (!$ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $this->ctrl->redirect($this, "customIcons");
        }
    
        $form = $this->initCustomIconsForm();
        if ($form->checkInput()) {
            $ilSetting->set("custom_icons", (int) $form->getInput("custom_icons"));
            ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
            $this->ctrl->redirect($this, "customIcons");
        }
        
        $form->setValuesByPost();
        $this->customIcons($form);
    }
    
    protected function setModuleSubTabs($a_active)
    {
        $this->tabs_gui->activateTab('modules');
        
        $this->tabs_gui->addSubTab(
            "list_mods",
            $this->lng->txt("rep_new_item_menu"),
            $this->ctrl->getLinkTarget($this, "listModules")
        );
        
        $this->tabs_gui->addSubTab(
            "new_item_groups",
            $this->lng->txt("rep_new_item_groups"),
            $this->ctrl->getLinkTarget($this, "listNewItemGroups")
        );
        
        $this->tabs_gui->activateSubTab($a_active);
    }
    
    protected function listModules()
    {
        $ilAccess = $this->access;
        
        $this->setModuleSubTabs("list_mods");
                
        $has_write = $ilAccess->checkAccess('write', '', $this->object->getRefId());
        
        include_once("./Services/Repository/classes/class.ilModulesTableGUI.php");
        $comp_table = new ilModulesTableGUI($this, "listModules", $has_write);
                
        $this->tpl->setContent($comp_table->getHTML());
    }
    
    protected function saveModules()
    {
        $ilSetting = $this->settings;
        $ilCtrl = $this->ctrl;
        $lng = $this->lng;
        $ilAccess = $this->access;
        
        if (!is_array($_POST["obj_grp"]) ||
            !is_array($_POST["obj_pos"]) ||
            !$ilAccess->checkAccess('write', '', $this->object->getRefId())) {
            $ilCtrl->redirect($this, "listModules");
        }
        
        $grp_pos_map = array(0 => 9999);
        include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
        foreach (ilObjRepositorySettings::getNewItemGroups() as $item) {
            $grp_pos_map[$item["id"]] = $item["pos"];
        }
        
        $type_pos_map = array();
        foreach ($_POST["obj_pos"] as $obj_type => $pos) {
            $grp_id = (int) $_POST["obj_grp"][$obj_type];
            $type_pos_map[$grp_id][$obj_type] = $pos;
            
            // enable creation?
            $ilSetting->set("obj_dis_creation_" . $obj_type, !(int) $_POST["obj_enbl_creation"][$obj_type]);
        }
        
        foreach ($type_pos_map as $grp_id => $obj_types) {
            $grp_pos = str_pad($grp_pos_map[$grp_id], 4, "0", STR_PAD_LEFT);
        
            asort($obj_types);
            $pos = 0;
            foreach (array_keys($obj_types) as $obj_type) {
                $pos += 10;
                $type_pos = $grp_pos . str_pad($pos, 4, "0", STR_PAD_LEFT);
                $ilSetting->set("obj_add_new_pos_" . $obj_type, $type_pos);
                $ilSetting->set("obj_add_new_pos_grp_" . $obj_type, $grp_id);
            }
        }
 
        /*
        if (count($double) == 0)
        {
            ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
        }
        else
        {
            ilUtil::sendInfo($lng->txt("cmps_duplicate_positions")." ".implode($double, ", "), true);
        }
        */
        
        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
        $ilCtrl->redirect($this, "listModules");
    }
    
    protected function listNewItemGroups()
    {
        $ilToolbar = $this->toolbar;
        $ilAccess = $this->access;
        
        $this->setModuleSubTabs("new_item_groups");
        
        $has_write = $ilAccess->checkAccess('write', '', $this->object->getRefId());
        
        if ($has_write) {
            $ilToolbar->addButton(
                $this->lng->txt("rep_new_item_group_add"),
                $this->ctrl->getLinkTarget($this, "addNewItemGroup")
            );
        
            $ilToolbar->addButton(
                $this->lng->txt("rep_new_item_group_add_separator"),
                $this->ctrl->getLinkTarget($this, "addNewItemGroupSeparator")
            );
        }
        
        include_once("./Services/Repository/classes/class.ilNewItemGroupTableGUI.php");
        $grp_table = new ilNewItemGroupTableGUI($this, "listNewItemGroups", $has_write);
                
        $this->tpl->setContent($grp_table->getHTML());
    }
    
    protected function initNewItemGroupForm($a_grp_id = false)
    {
        $this->setModuleSubTabs("new_item_groups");
        
        include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
        $form = new ilPropertyFormGUI();
        
        $this->lng->loadLanguageModule("meta");
        $def_lng = $this->lng->getDefaultLanguage();
    
        $title = new ilTextInputGUI($this->lng->txt("title"), "title_" . $def_lng);
        $title->setInfo($this->lng->txt("meta_l_" . $def_lng) .
            " (" . $this->lng->txt("default_language") . ")");
        $title->setRequired(true);
        $form->addItem($title);
        
        foreach ($this->lng->getInstalledLanguages() as $lang_id) {
            if ($lang_id != $def_lng) {
                $title = new ilTextInputGUI($this->lng->txt("translation"), "title_" . $lang_id);
                $title->setInfo($this->lng->txt("meta_l_" . $lang_id));
                $form->addItem($title);
            }
        }
                                        
        if (!$a_grp_id) {
            $form->setTitle($this->lng->txt("rep_new_item_group_add"));
            $form->setFormAction($this->ctrl->getFormAction($this, "saveNewItemGroup"));
            
            $form->addCommandButton("saveNewItemGroup", $this->lng->txt("save"));
        } else {
            $form->setTitle($this->lng->txt("rep_new_item_group_edit"));
            $form->setFormAction($this->ctrl->getFormAction($this, "updateNewItemGroup"));
            
            include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
            $grp = ilObjRepositorySettings::getNewItemGroups();
            $grp = $grp[$a_grp_id];
            
            foreach ($grp["titles"] as $id => $value) {
                $field = $form->getItemByPostVar("title_" . $id);
                if ($field) {
                    $field->setValue($value);
                }
            }
            
            $form->addCommandButton("updateNewItemGroup", $this->lng->txt("save"));
        }
        $form->addCommandButton("listNewItemGroups", $this->lng->txt("cancel"));
        
        return $form;
    }
    
    protected function addNewItemGroup(ilPropertyFormGUI $a_form = null)
    {
        if (!$a_form) {
            $a_form = $this->initNewItemGroupForm();
        }
        
        $this->tpl->setContent($a_form->getHTML());
    }
    
    protected function saveNewItemGroup()
    {
        $form = $this->initNewItemGroupForm();
        if ($form->checkInput()) {
            $titles = array();
            foreach ($this->lng->getInstalledLanguages() as $lang_id) {
                $titles[$lang_id] = $form->getInput("title_" . $lang_id);
            }
            
            include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
            if (ilObjRepositorySettings::addNewItemGroup($titles)) {
                ilUtil::sendSuccess($this->lng->txt("settings_saved"), true);
                $this->ctrl->redirect($this, "listNewItemGroups");
            }
        }
        
        $form->setValuesByPost();
        $this->addNewItemGroup($form);
    }
    
    protected function editNewItemGroup(ilPropertyFormGUI $a_form = null)
    {
        $grp_id = (int) $_GET["grp_id"];
        if (!$grp_id) {
            $this->ctrl->redirect($this, "listNewItemGroups");
        }
        
        if (!$a_form) {
            $this->ctrl->setParameter($this, "grp_id", $grp_id);
            $a_form = $this->initNewItemGroupForm($grp_id);
        }
        
        $this->tpl->setContent($a_form->getHTML());
    }
    
    protected function updateNewItemGroup()
    {
        $grp_id = (int) $_GET["grp_id"];
        if (!$grp_id) {
            $this->ctrl->redirect($this, "listNewItemGroups");
        }
        
        $this->ctrl->setParameter($this, "grp_id", $grp_id);
        
        $form = $this->initNewItemGroupForm($grp_id);
        if ($form->checkInput()) {
            $titles = array();
            foreach ($this->lng->getInstalledLanguages() as $lang_id) {
                $titles[$lang_id] = $form->getInput("title_" . $lang_id);
            }
            
            include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
            if (ilObjRepositorySettings::updateNewItemGroup($grp_id, $titles)) {
                ilUtil::sendSuccess($this->lng->txt("settings_saved"), true);
                $this->ctrl->redirect($this, "listNewItemGroups");
            }
        }
        
        $form->setValuesByPost();
        $this->addNewItemGroup($form);
    }
    
    protected function addNewItemGroupSeparator()
    {
        include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
        if (ilObjRepositorySettings::addNewItemGroupSeparator()) {
            ilUtil::sendSuccess($this->lng->txt("settings_saved"), true);
        }
        $this->ctrl->redirect($this, "listNewItemGroups");
    }
    
    protected function saveNewItemGroupOrder()
    {
        $ilSetting = $this->settings;
        
        if (is_array($_POST["grp_order"])) {
            include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
            ilObjRepositorySettings::updateNewItemGroupOrder($_POST["grp_order"]);
                                    
            $grp_pos_map = array();
            include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
            foreach (ilObjRepositorySettings::getNewItemGroups() as $item) {
                $grp_pos_map[$item["id"]] = str_pad($item["pos"], 4, "0", STR_PAD_LEFT);
            }
        
            // update order of assigned objects
            foreach (ilObjRepositorySettings::getNewItemGroupSubItems() as $grp_id => $subitems) {
                // unassigned objects will always be last
                if ($grp_id) {
                    foreach ($subitems as $obj_type) {
                        $old_pos = $ilSetting->get("obj_add_new_pos_" . $obj_type);
                        if (strlen($old_pos) == 8) {
                            $new_pos = $grp_pos_map[$grp_id] . substr($old_pos, 4);
                            $ilSetting->set("obj_add_new_pos_" . $obj_type, $new_pos);
                        }
                    }
                }
            }
            
            ilUtil::sendSuccess($this->lng->txt("settings_saved"), true);
        }
        $this->ctrl->redirect($this, "listNewItemGroups");
    }
    
    protected function confirmDeleteNewItemGroup()
    {
        if (!is_array($_POST["grp_id"])) {
            ilUtil::sendFailure($this->lng->txt("select_one"));
            return $this->listNewItemGroups();
        }
        
        $this->setModuleSubTabs("new_item_groups");
        
        include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
        $cgui = new ilConfirmationGUI();
        $cgui->setHeaderText($this->lng->txt("rep_new_item_group_delete_sure"));
 
        $cgui->setFormAction($this->ctrl->getFormAction($this));
        $cgui->setCancel($this->lng->txt("cancel"), "listNewItemGroups");
        $cgui->setConfirm($this->lng->txt("confirm"), "deleteNewItemGroup");
        
        include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
        $groups = ilObjRepositorySettings::getNewItemGroups();
 
        foreach ($_POST["grp_id"] as $grp_id) {
            $cgui->addItem("grp_id[]", $grp_id, $groups[$grp_id]["title"]);
        }
        
        $this->tpl->setContent($cgui->getHTML());
    }
    
    protected function deleteNewItemGroup()
    {
        if (!is_array($_POST["grp_id"])) {
            return $this->listNewItemGroups();
        }
        
        include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
        foreach ($_POST["grp_id"] as $grp_id) {
            ilObjRepositorySettings::deleteNewItemGroup($grp_id);
        }
        
        ilUtil::sendSuccess($this->lng->txt("settings_saved"), true);
        $this->ctrl->redirect($this, "listNewItemGroups");
    }
    
    public function addToExternalSettingsForm($a_form_id)
    {
        $ilSetting = $this->settings;
        
        switch ($a_form_id) {
            case ilAdministrationSettingsFormHandler::FORM_LP:
                
                require_once 'Services/Tracking/classes/class.ilChangeEvent.php';
                $fields = array('trac_show_repository_views' => array(ilChangeEvent::_isActive(), ilAdministrationSettingsFormHandler::VALUE_BOOL));
                                                
                return array(array("view", $fields));
                
                
            case ilAdministrationSettingsFormHandler::FORM_TAGGING:
                
                $fields = array(
                    'adm_show_comments_tagging_in_lists' => array($ilSetting->get('comments_tagging_in_lists'), ilAdministrationSettingsFormHandler::VALUE_BOOL,
                        array('adm_show_comments_tagging_in_lists_tags' => array($ilSetting->get('comments_tagging_in_lists_tags'), ilAdministrationSettingsFormHandler::VALUE_BOOL))
                ));
                
                return array(array("view", $fields));
        }
    }
}