Collaboration diagram for ilObjCourseGroupingGUI:

Public Member Functions
	ilObjCourseGroupingGUI (&$content_obj, $a_obj_id=0)
	Constructor public.
	getContentType ()
	listGroupings ()
	askDeleteGrouping ()
	deleteGrouping ()
	create ()
	cancel ()
	add ()
	edit ($a_grouping_id=0)
	update ()
	selectCourse ()
	assignCourse ()
&	executeCommand ()
	__initGroupingObject ()
	__formatPath ($a_path_arr)

Data Fields
	$content_obj
	$tpl
	$ctrl
	$lng

Detailed Description

Class ilObjCourseGroupingGUI.

Author: your name <your email>="">

Version

Id:: class.ilObjCourseGroupingGUI.php 20542 2009-07-13 13:02:59Z smeyer

Definition at line 34 of file class.ilObjCourseGroupingGUI.php.

Member Function Documentation

ilObjCourseGroupingGUI::__formatPath ( $a_path_arr )

Definition at line 551 of file class.ilObjCourseGroupingGUI.php.

References $data, and $path.

Referenced by selectCourse().

        {
                $counter = 0;
                foreach($a_path_arr as $data)
                {
                        if(!$counter++)
                        {
                                continue;
                        }
                        if($counter++ > 2)
                        {
                                $path .= " -> ";
                        }
                        $path .= $data['title'];
                }
                return $path;
        }

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ilObjCourseGroupingGUI::__initGroupingObject ( )

Definition at line 544 of file class.ilObjCourseGroupingGUI.php.

Referenced by ilObjCourseGroupingGUI().

        {
                include_once './Modules/Course/classes/class.ilObjCourseGrouping.php';
                $this->grp_obj =& new ilObjCourseGrouping($this->id);
        }

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ilObjCourseGroupingGUI::add ( )

Definition at line 269 of file class.ilObjCourseGroupingGUI.php.

References $_POST, create(), listGroupings(), ilUtil\sendFailure(), ilUtil\sendSuccess(), and ilUtil\stripSlashes().

        {
                if(!$_POST['title'])
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grp_enter_title'));
                        $this->create();
                        
                        return false;
                }
                $this->grp_obj->setTitle(ilUtil::stripSlashes($_POST['title']));
                $this->grp_obj->setDescription(ilUtil::stripSlashes($_POST['description']));
                $this->grp_obj->setUniqueField($_POST['unique']);
                if($this->grp_obj->create($this->content_obj->getRefId(),$this->content_obj->getId()))
                {
                        ilUtil::sendSuccess($this->lng->txt('crs_grp_added_grouping'));
                }
                else
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grp_err_adding_grouping'));
                }
                $this->listGroupings();
                return false;
        }

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ilObjCourseGroupingGUI::askDeleteGrouping ( )

Definition at line 159 of file class.ilObjCourseGroupingGUI.php.

References $_POST, $_SESSION, $ilErr, listGroupings(), ilUtil\sendFailure(), ilUtil\sendQuestion(), and ilUtil\switchColor().

        {
                global $ilErr,$ilAccess,$ilObjDataCache;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                if(!count($_POST['grouping']))
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grouping_select_one'));
                        $this->listGroupings();
                        
                        return false;
                }
                ilUtil::sendQuestion($this->lng->txt('crs_grouping_delete_sure'));
                $this->tpl->addBlockFile("ADM_CONTENT","adm_content","tpl.crs_ask_delete_goupings.html",'Modules/Course');
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
                $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));
                $this->tpl->setVariable("BTN_DELETE",$this->lng->txt('delete'));
                
                
                $counter = 0;
                foreach($_POST['grouping'] as $grouping_id)
                {
                        $tmp_obj =& new ilObjCourseGrouping($grouping_id);
                        if(strlen($tmp_obj->getDescription()))
                        {
                                $this->tpl->setCurrentBlock("description");
                                $this->tpl->setVariable("DESCRIPTION_GRP",$tmp_obj->getDescription());
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("grouping_row");
                        $this->tpl->setVariable("GRP_TITLE",$tmp_obj->getTitle());
                        $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
                        $this->tpl->parseCurrentBlock();
                }
                $_SESSION['crs_grouping_del'] = $_POST['grouping'];
        }

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ilObjCourseGroupingGUI::assignCourse ( )

Definition at line 477 of file class.ilObjCourseGroupingGUI.php.

References $_GET, $_POST, $ilErr, edit(), getContentType(), ilObjectFactory\getInstanceByRefId(), listGroupings(), and ilUtil\sendFailure().

        {
                global $ilErr,$ilAccess,$ilObjDataCache,$tree,$ilUser;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                if(!$_GET['obj_id'])
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grp_no_grouping_id_given'));
                        $this->listGroupings();
                        return false;
                }
                $container_ids = is_array($_POST['crs_ids']) ? $_POST['crs_ids'] : array();
                $tmp_grouping = new ilObjCourseGrouping((int) $_GET['obj_id']);
                // delete all existing conditions
                include_once './classes/class.ilConditionHandler.php';
                
                $condh = new ilConditionHandler();
                $condh->deleteByObjId((int) $_GET['obj_id']);
                $added = 0;
                foreach($container_ids as $course_ref_id)
                {
                        $tmp_crs =& ilObjectFactory::getInstanceByRefId($course_ref_id);
                        $tmp_condh =& new ilConditionHandler();
                        $tmp_condh->enableAutomaticValidation(false);
                        $tmp_condh->setTargetRefId($course_ref_id);
                        $tmp_condh->setTargetObjId($tmp_crs->getId());
                        $tmp_condh->setTargetType($this->getContentType());
                        $tmp_condh->setTriggerRefId(0);
                        $tmp_condh->setTriggerObjId($this->id);
                        $tmp_condh->setTriggerType('crsg');
                        $tmp_condh->setOperator('not_member');
                        $tmp_condh->setValue($this->grp_obj->getUniqueField());
                        if(!$tmp_condh->checkExists())
                        {
                                $tmp_condh->storeCondition();
                                ++$added;
                        }
                }
                $this->edit((int) $_GET['obj_id']);
        }       

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ilObjCourseGroupingGUI::cancel ( )

Definition at line 260 of file class.ilObjCourseGroupingGUI.php.

References $_SESSION, and listGroupings().

        {
                // unset session variables
                unset($_SESSION['crs_grouping_del']);
                $this->listGroupings();
                return true;
        }

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ilObjCourseGroupingGUI::create ( )

Definition at line 232 of file class.ilObjCourseGroupingGUI.php.

References $_POST, $title, ilUtil\formSelect(), ilUtil\prepareFormOutput(), and ilUtil\stripSlashes().

Referenced by add().

        {
                $options = array('login' => 'login',
                                                 'email' => 'email',
                                                 'matriculation' => 'matriculation');
                $title = ilUtil::prepareFormOutput($_POST["title"],true);
                $desc  = ilUtil::stripSlashes($_POST["description"]);
                $unique = $_POST['unique'] ? $_POST['unique'] : 'login';
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_add.html",'Modules/Course');
                $this->tpl->setVariable("TITLE",$title);
                $this->tpl->setVariable("DESC",$desc);
                $this->tpl->setVariable("UNAM_SELECT",ilUtil::formSelect($unique,'unique',$options));
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("TXT_HEADER",$this->lng->txt('crs_add_grouping'));
                $this->tpl->setVariable("TXT_TITLE",$this->lng->txt('title'));
                $this->tpl->setVariable("TXT_DESC",$this->lng->txt('description'));
                $this->tpl->setVariable("TXT_UNAM",$this->lng->txt('unambiguousness'));
                $this->tpl->setVariable("TXT_REQUIRED_FLD",$this->lng->txt('required_field'));
                $this->tpl->setVariable("CMD_SUBMIT",'add');
                $this->tpl->setVariable("TXT_SUBMIT",$this->lng->txt('btn_add'));
                $this->tpl->setVariable("TXT_CANCEL",$this->lng->txt('cancel'));
        }

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ilObjCourseGroupingGUI::deleteGrouping ( )

Definition at line 204 of file class.ilObjCourseGroupingGUI.php.

References $_SESSION, $ilErr, listGroupings(), ilUtil\sendFailure(), and ilUtil\sendSuccess().

        {
                global $ilErr,$ilAccess,$ilObjDataCache;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                if(!count($_SESSION['crs_grouping_del']))
                {
                        ilUtil::sendFailure('No grouping selected');
                        $this->listGroupings();
                        return false;
                }
                foreach($_SESSION['crs_grouping_del'] as $grouping_id)
                {
                        $tmp_obj =& new ilObjCourseGrouping((int) $grouping_id);
                        $tmp_obj->delete();
                }
                ilUtil::sendSuccess($this->lng->txt('crs_grouping_deleted'));
                $this->listGroupings();
                
                unset($_SESSION['crs_grouping_del']);
                return true;
        }

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ilObjCourseGroupingGUI::edit ( $a_grouping_id = 0 )

Definition at line 295 of file class.ilObjCourseGroupingGUI.php.

References $_POST, $ilErr, $title, ilUtil\formSelect(), listGroupings(), ilUtil\sendFailure(), and ilUtil\stripSlashes().

Referenced by assignCourse(), and update().

        {
                global $ilErr,$ilAccess,$ilObjDataCache;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                if($a_grouping_id)
                {
                        $grouping_id = $a_grouping_id;
                }
                elseif(count($_POST['grouping']) != 1)
                {
                        ilUtil::sendFailure($this->lng->txt('grouping_select_exactly_one'));
                        $this->listGroupings();
                        return false;
                }
                else
                {
                        $grouping_id = (int) $_POST['grouping'][0];
                }
                $options = array('login' => 'login',
                                                 'email' => 'email',
                                                 'matriculation' => 'matriculation');
                $tmp_grouping = new ilObjCourseGrouping($grouping_id);
                $title = isset($_POST['title']) ? ilUtil::stripSlashes($_POST['title']) : $tmp_grouping->getTitle();
                $description  = isset($_POST["description"]) ? ilUtil::stripSlashes($_POST['description']) : $tmp_grouping->getDescription();
                $unique = $_POST['unique'] ? $_POST['unique'] : $tmp_grouping->getUniqueField();
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_edit.html",'Modules/Course');
                $this->ctrl->setParameter($this,'obj_id',$grouping_id);
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("EDIT_GROUPING",$this->lng->txt('edit_grouping'));
                $this->tpl->setVariable("BTN_UPDATE",$this->lng->txt('save'));
                $this->tpl->setVariable("BTN_ADD",$this->lng->txt('grouping_change_assignment'));
                $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));
                $this->tpl->setVariable("TXT_TITLE",$this->lng->txt('title'));
                $this->tpl->setVariable("TXT_DESCRIPTION",$this->lng->txt('description'));
                $this->tpl->setVariable("TXT_UNAM",$this->lng->txt('unambiguousness'));
                $this->tpl->setVariable("UNAM_SELECT",ilUtil::formSelect($unique,'unique',$options));
                $this->tpl->setVariable("TITLE",$title);
                $this->tpl->setVariable("DESCRIPTION",$description);
                $items = $tmp_grouping->getAssignedItems();
                foreach($items as $cond_data)
                {
                        $this->tpl->setCurrentBlock("list_courses");
                        $this->tpl->setVariable("LIST_CRS_TITLE",$ilObjDataCache->lookupTitle($cond_data['target_obj_id']));
                        $this->tpl->parseCurrentBlock();
                }
                if(count($items))
                {
                        $this->tpl->setCurrentBlock("assigned");
                        $this->tpl->setVariable("ASS_COURSES",$this->lng->txt('crs_grp_table_assigned_courses'));
                        $this->tpl->parseCurrentBlock();
                }
                else
                {
                        $this->tpl->setCurrentBlock("no_assigned");
                        $this->tpl->setVariable("MESSAGE_NO_COURSES",$this->lng->txt('crs_grp_no_courses_assigned'));
                        $this->tpl->parseCurrentBlock();
                }
        }

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& ilObjCourseGroupingGUI::executeCommand ( )

Definition at line 529 of file class.ilObjCourseGroupingGUI.php.

References $cmd.

        {
                global $ilTabs;
                $ilTabs->setTabActive('crs_groupings');
                $cmd = $this->ctrl->getCmd();
                if (!$cmd = $this->ctrl->getCmd())
                {
                        $cmd = "edit";
                }
                $this->$cmd();
        }

ilObjCourseGroupingGUI::getContentType ( )

Definition at line 63 of file class.ilObjCourseGroupingGUI.php.

Referenced by assignCourse(), and selectCourse().

        {
                return $this->content_type;
        }

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ilObjCourseGroupingGUI::ilObjCourseGroupingGUI	(	&	$content_obj,
			$a_obj_id = `0`
	)

Constructor public.

Definition at line 44 of file class.ilObjCourseGroupingGUI.php.

References $content_obj, $ilCtrl, $lng, $tpl, and __initGroupingObject().

        {
                global $tpl,$ilCtrl,$lng,$ilObjDataCache;
                $this->tpl =& $tpl;
                $this->ctrl =& $ilCtrl;
                $this->lng =& $lng;
                $this->type = "crsg";
                $this->content_obj =& $content_obj;
                $this->content_type = $ilObjDataCache->lookupType($this->content_obj->getId());
                $this->id = $a_obj_id;
                $this->ctrl->saveParameter($this,'obj_id');
                $this->__initGroupingObject();
        }

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ilObjCourseGroupingGUI::listGroupings ( )

Definition at line 68 of file class.ilObjCourseGroupingGUI.php.

References $ilErr, ilObjCourseGrouping\_checkAccess(), ilObjCourseGrouping\_getVisibleGroupings(), ilUtil\formCheckbox(), ilUtil\getImagePath(), and ilUtil\switchColor().

Referenced by add(), askDeleteGrouping(), assignCourse(), cancel(), deleteGrouping(), edit(), selectCourse(), and update().

        {
                global $ilErr,$ilAccess,$ilObjDataCache;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                $this->tpl->addBlockFile("ADM_CONTENT","adm_content","tpl.groupings.html",'Modules/Course');
                
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
                $this->tpl->setVariable("HEADER_UNAMBIGUOUSNESS",$this->lng->txt('unambiguousness'));
                $this->tpl->setVariable("ASSIGNED_ITEMS",$this->lng->txt('groupings_assigned_obj_'.$this->getContentType()));
                $items = ilObjCourseGrouping::_getVisibleGroupings($this->content_obj->getId());
                // Fill table
                $counter = 0;
                $has_access = false;
                foreach($items as $grouping_id)
                {
                        $tmp_obj =& new ilObjCourseGrouping($grouping_id);
                        // Description
                        if(strlen($tmp_obj->getDescription()))
                        {
                                $this->tpl->setCurrentBlock("description");
                                $this->tpl->setVariable("DESCRIPTION_GRP",$tmp_obj->getDescription());
                                $this->tpl->parseCurrentBlock();
                        }
                        // Assigned items
                        $assigned_items = $tmp_obj->getAssignedItems();
                        if($num_items = count($assigned_items))
                        {
                                $this->tpl->setVariable("ASSIGNED_COURSES",$this->lng->txt('crs_grp_assigned_courses_info'));
                        }
                        else
                        {
                                $this->tpl->setVariable("ASSIGNED_COURSES",$this->lng->txt('crs_grp_no_courses_assigned'));
                        }
                        
                        foreach($assigned_items as $condition)
                        {
                                $this->tpl->setCurrentBlock("item");
                                $this->tpl->setVariable("ITEM_TITLE",$ilObjDataCache->lookupTitle($condition['target_obj_id']));
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("grouping_row");
                        $this->tpl->setVariable("GRP_TITLE",$tmp_obj->getTitle());
                        if(ilObjCourseGrouping::_checkAccess($grouping_id))
                        {
                                $has_access = true;
                                $this->tpl->setVariable("CHECK_GRP",ilUtil::formCheckbox(0,'grouping[]',$grouping_id));
                        }
                        $this->tpl->setVariable("AMB_GRP",$this->lng->txt($tmp_obj->getUniqueField()));
                        $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
                        $this->ctrl->setParameterByClass('ilobjcoursegroupinggui','obj_id',$grouping_id);
                        $this->tpl->setVariable("EDIT_LINK",$this->ctrl->getLinkTargetByClass('ilobjcoursegroupinggui','edit'));
                        $this->tpl->parseCurrentBlock();
                }
                if(count($items) and $has_access)
                {
                        $this->tpl->setCurrentBlock("has_items");
                        $this->tpl->setVariable("ARR_DOWNRIGHT",ilUtil::getImagePath('arrow_downright.gif'));
                        $this->tpl->setVariable("EDIT",$this->lng->txt('edit'));
                        $this->tpl->setVariable("DELETE",$this->lng->txt('delete'));
                        $this->tpl->setVariable("ACTIONS",$this->lng->txt('actions'));
                        $this->tpl->parseCurrentBlock();
                }
                elseif(!count($items))
                {
                        // no items
                        $this->tpl->setCurrentBlock("no_items");
                        $this->tpl->setVariable("TXT_NO_ITEMS",$this->lng->txt('no_datasets'));
                        $this->tpl->parseCurrentBlock();
                }
                $this->tpl->setVariable("ADD",$this->lng->txt('crs_add_grouping'));
        }

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ilObjCourseGroupingGUI::selectCourse ( )

Definition at line 402 of file class.ilObjCourseGroupingGUI.php.

References $_GET, $ilErr, $path, $ref_id, $title, __formatPath(), ilUtil\_getObjectsByOperations(), ilUtil\_sortIds(), ilUtil\formCheckbox(), getContentType(), ilUtil\getImagePath(), listGroupings(), ilUtil\sendFailure(), and ilUtil\switchColor().

        {
                global $ilErr,$ilAccess,$ilObjDataCache,$tree,$ilUser;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                if(!$_GET['obj_id'])
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grp_no_grouping_id_given'));
                        $this->listGroupings();
                        return false;
                }
                $tmp_grouping = new ilObjCourseGrouping((int) $_GET['obj_id']);
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.crs_grp_select_crs.html",'Modules/Course');
                
                $this->ctrl->setParameter($this,'obj_id',(int) $_GET['obj_id']);
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("TBL_TITLE",$this->lng->txt('crs_grp_assign_crs').' ('.$this->grp_obj->getTitle().')');
                $this->tpl->setVariable("BTN_ASSIGN",$this->lng->txt('grouping_change_assignment'));
                $this->tpl->setVariable("BTN_CANCEL",$this->lng->txt('cancel'));
                $this->tpl->setVariable("IMG_ARROW",ilUtil::getImagePath('arrow_downright.gif'));
                $this->tpl->setVariable("HEADER_DESC",$this->lng->txt('description'));
                $counter = 0;
                $items = ilUtil::_getObjectsByOperations($this->getContentType(),
                                                                                                 'write',
                                                                                                 $ilUser->getId(),-1);
                                                                                                 
                $items_obj_id = array();
                $items_ids = array();
                foreach($items as $ref_id)
                {
                        $obj_id =  $ilObjDataCache->lookupObjId($ref_id);
                        $items_ids[$obj_id] = $ref_id;
                        $items_obj_id[] = $obj_id;
                }
                $items_obj_id = ilUtil::_sortIds($items_obj_id,'object_data','title','obj_id');
                foreach($items_obj_id as $obj_id)
                {
                        $item_id = $items_ids[$obj_id];
                        if($tree->checkForParentType($item_id,'adm'))
                        {
                                continue;
                        }
                        $obj_id = $ilObjDataCache->lookupObjId($item_id);
                        $title = $ilObjDataCache->lookupTitle($obj_id);
                        $description = $ilObjDataCache->lookupDescription($obj_id);
                        $assigned = $tmp_grouping->isAssigned($obj_id) ? 1 : 0;
                        if(strlen($description))
                        {
                                $this->tpl->setCurrentBlock("description");
                                $this->tpl->setVariable("DESCRIPTION_CRS",$description);
                                $this->tpl->parseCurrentBlock();
                        }
                        $this->tpl->setCurrentBlock("crs_row");
                        $this->tpl->setVariable("ROW_CLASS",ilUtil::switchColor(++$counter,'tblrow1','tblrow2'));
                        $this->tpl->setVariable("CHECK_CRS",ilUtil::formCheckbox($assigned,'crs_ids[]',$item_id));
                        $this->tpl->setVariable("CRS_TITLE",$title);
                        $path = $this->__formatPath($tree->getPathFull($item_id));
                        $this->tpl->setVariable("CRS_PATH",$this->lng->txt('path').": ".$path);
                        $this->tpl->parseCurrentBlock();
                }
                return true;
        }

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ilObjCourseGroupingGUI::update ( )

Definition at line 368 of file class.ilObjCourseGroupingGUI.php.

References $_GET, $_POST, $ilErr, edit(), listGroupings(), ilUtil\sendFailure(), ilUtil\sendSuccess(), and ilUtil\stripSlashes().

        {
                global $ilErr,$ilAccess,$ilObjDataCache;
                if(!$ilAccess->checkAccess('write','',$this->content_obj->getRefId()))
                {
                        $ilErr->raiseError($this->lng->txt('permission_denied'),$ilErr->MESSAGE);
                }
                if(!$_GET['obj_id'])
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grp_no_grouping_id_given'));
                        $this->listGroupings();
                        return false;
                }
                if(!$_POST['title'])
                {
                        ilUtil::sendFailure($this->lng->txt('crs_grp_enter_title'));
                        $this->edit((int) $_GET['obj_id']);
                        return false;
                }
                
                $tmp_grouping = new ilObjCourseGrouping($_GET['obj_id']);
                $tmp_grouping->setTitle(ilUtil::stripSlashes($_POST['title']));
                $tmp_grouping->setDescription(ilUtil::stripSlashes($_POST['description']));
                $tmp_grouping->setUniqueField($_POST['unique']);
                $tmp_grouping->update();
                ilUtil::sendSuccess($this->lng->txt('settings_saved'));
                $this->listGroupings();
                return true;
        }