Inheritance diagram for ilRepositoryExplorer:

Collaboration diagram for ilRepositoryExplorer:

Public Member Functions
	__construct ($a_target, $a_top_node=0)
	Constructor @access public. More...

	setForceOpenPath ($a_path)
	set force open path More...

	buildLinkTarget ($a_node_id, $a_type)
	note: most of this stuff is used by ilCourseContentInterface too More...

	buildFrameTarget ($a_type, $a_child=0, $a_obj_id=0)
	STATIC, do not use $this inside! More...

	getImage ($a_name, $a_type="", $a_obj_id="")
	get image path More...

	isClickable ($a_type, $a_ref_id=0, $a_obj_id=0)

	showChilds ($a_ref_id, $a_obj_id=0)

	isVisible ($a_ref_id, $a_type)

	formatHeader ($tpl, $a_obj_id, $a_option)
	overwritten method from base class @access public More...

	sortNodes ($a_nodes, $a_parent_obj_id)
	sort nodes More...

	forceExpanded ($a_node)
	Force expansion of node. More...

Public Member Functions inherited from ilExplorer
	__construct ($a_target)
	Constructor @access public. More...

	setId ($a_val)
	Set id. More...

	getId ()
	Get id. More...

	setAsynchExpanding ($a_val)
	Set asynch expanding. More...

	getAsynchExpanding ()
	Get asynch expanding. More...

	initItemCounter ($a_number)
	Init item counter. More...

	setTitle ($a_val)
	Set title. More...

	setTitleLength ($a_length)
	Set max title length. More...

	getTitleLength ()
	Get max title length. More...

	getTitle ()
	Get title. More...

	setRoot ($a_root_id)
	Set root node. More...

	getRoot ()
	get root id More...

	setOrderColumn ($a_column)
	set the order column @access public More...

	setOrderDirection ($a_direction)
	set the order direction @access public More...

	setTargetGet ($a_target_get)
	set the varname in Get-string @access public More...

	setParamsGet ($a_params_get)
	set additional params to be passed in Get-string @access public More...

	setExpandTarget ($a_exp_target)
	target script for expand icons More...

	setFrameUpdater ($a_up_frame, $a_up_script, $a_params="")
	Set Explorer Updater. More...

	highlightNode ($a_id)
	set highlighted node More...

	checkPermissions ($a_check)
	check permissions via rbac More...

	setSessionExpandVariable ($a_var_name="expand")
	set name of expand session variable More...

	outputIcons ($a_icons)
	output icons More...

	setClickable ($a_type, $a_clickable)
	(de-)activates links for a certain object type More...

	isVisible ($a_ref_id, $a_type)

	setTreeLead ($a_val)
	Set tree leading content. More...

	getTreeLead ()
	Get tree leading content. More...

	isClickable ($a_type, $a_ref_id=0)
	check if links for certain object type are activated More...

	setPostSort ($a_sort)
	process post sorting More...

	setFilterMode ($a_mode=IL_FM_NEGATIVE)
	set filter mode More...

	getFilterMode ()
	get filter mode More...

	setUseStandardFrame ($a_val)
	Set use standard frame. More...

	getUseStandardFrame ()
	Get use standard explorer frame. More...

	getChildsOfNode ($a_parent_id)
	Get childs of node. More...

	setOutput ($a_parent_id, $a_depth=1, $a_obj_id=0, $a_highlighted_subtree=false)
	Creates output for explorer view in admin menue recursive method @access public. More...

	modifyChilds ($a_parent_id, $a_objects)

	showChilds ($a_parent_id)
	determines wether the childs of an object should be shown or not note: this standard implementation always returns true but it could be overwritten by derived classes (e.g. More...

	forceExpanded ($a_obj_id)
	force expansion of node More...

	getMaximumTreeDepth ()
	Get maximum tree depth. More...

	getOutput ()
	Creates output recursive method @access public. More...

	handleListEndTags (&$a_tpl_tree, $a_cur_depth, $a_item_depth)
	handle list end tags ( and ) More...

	handleListStartTags (&$a_tpl_tree, $a_cur_depth, $a_item_depth)
	handle list start tags ( More...

	formatHeader ($tpl, $a_obj_id, $a_option)
	Creates output for header (is empty here but can be overwritten in derived classes) More...

	formatObject ($tpl, $a_node_id, $a_option, $a_obj_id=0)
	Creates output recursive method @access private. More...

	getImage ($a_name, $a_type="", $a_obj_id="")
	get image path (may be overwritten by derived classes) More...

	getImageAlt ($a_default_text, $a_type="", $a_obj_id="")
	get image alt text More...

	getNodeStyleClass ($a_id, $a_type)
	get style class for node More...

	buildLinkTarget ($a_node_id, $a_type)
	get link target (may be overwritten by derived classes) More...

	buildOnClick ($a_node_id, $a_type, $a_title)
	get onclick event handling (may be overwritten by derived classes) More...

	buildTitle ($a_title, $a_id, $a_type)
	standard implementation for title, may be overwritten by derived classes More...

	buildDescription ($a_desc, $a_id, $a_type)
	standard implementation for description, may be overwritten by derived classes More...

	buildSelect ($a_node_id, $a_type)
	standard implementation for adding an option select box between image and title More...

	buildFrameTarget ($a_type, $a_child=0, $a_obj_id=0)
	get frame target (may be overwritten by derived classes) More...

	createTarget ($a_type, $a_node_id, $a_highlighted_subtree=false, $a_append_anch=true)
	Creates Get Parameter @access private. More...

	setFrameTarget ($a_target)
	set target frame or not frame? More...

	createLines ($a_depth)
	Creates lines for explorer view @access private. More...

	is_in_array ($a_start, $a_depth)
	DESCRIPTION MISSING @access private. More...

	getIndex ($a_data)
	get index of format_options array from specific ref_id,parent_id @access private More...

	addFilter ($a_item)
	adds item to the filter @access public More...

	delFilter ($a_item)
	removes item from the filter @access public More...

	setExpand ($a_node_id)
	set the expand option this value is stored in a SESSION variable to save it different view (lo view, frm view,...) @access private More...

	forceExpandAll ($a_mode, $a_show_minus=true)
	force expandAll. More...

	setFiltered ($a_bool)
	active/deactivate the filter @access public More...

	checkFilter ($a_item)
	check if item is in filter @access private More...

	sortNodes ($a_nodes, $a_parent_obj_id)
	sort nodes and put adm object to the end of sorted array @access private More...

Data Fields
	$root_id

	$output

	$ctrl

Data Fields inherited from ilExplorer
	$id

	$output

	$format_options

	$tree

	$target

	$target_get

	$params_get

	$expanded

	$order_column

	$order_direction = "asc"

	$expand_target

	$rbac_check

	$output_icons

	$expand_variable

	$is_clickable

	$post_sort

	$filtered = false

	$filter_mode

	$expand_all = false

	$root_id = null

	$use_standard_frame = false

Protected Attributes
	$lng

	$settings

	$obj_definition

	$rbacsystem

	$db

	$user

	$access

Protected Attributes inherited from ilExplorer
	$obj_definition

	$error

	$rbacsystem

	$tpl

	$lng

Detailed Description

Definition at line 14 of file class.ilRepositoryExplorer.php.

Constructor & Destructor Documentation

◆ __construct()

ilRepositoryExplorer::__construct	(	$a_target,
		$a_top_node = `0`
	)

Constructor @access public.

Parameters

string	scriptname
int	user_id

Definition at line 66 of file class.ilRepositoryExplorer.php.

    {
        global $DIC;
 
        $this->lng = $DIC->language();
        $this->settings = $DIC->settings();
        $this->obj_definition = $DIC["objDefinition"];
        $this->rbacsystem = $DIC->rbac()->system();
        $this->db = $DIC->database();
        $this->user = $DIC->user();
        $this->access = $DIC->access();
        $tree = $DIC->repositoryTree();
        $ilCtrl = $DIC->ctrl();
        $lng = $DIC->language();
        $ilSetting = $DIC->settings();
        $objDefinition = $DIC["objDefinition"];
 
        $this->ctrl = $ilCtrl;
 
 
        $this->force_open_path = array();
 
 
        parent::__construct($a_target);
        $this->tree = $tree;
        $this->root_id = $this->tree->readRootId();
        $this->order_column = "title";
        $this->setSessionExpandVariable("repexpand");
        $this->setTitle($lng->txt("overview"));
 
        // please do not uncomment this
        if ($ilSetting->get("repository_tree_pres") == "" ||
            ($ilSetting->get("rep_tree_limit_grp_crs") && $a_top_node == 0)) {
            foreach ($objDefinition->getExplorerContainerTypes() as $type) {
                $this->addFilter($type);
            }
            $this->setFiltered(true);
            $this->setFilterMode(IL_FM_POSITIVE);
        } elseif ($ilSetting->get("repository_tree_pres") == "all_types") {
            foreach ($objDefinition->getAllRBACObjects() as $rtype) {
                $this->addFilter($rtype);
            }
            $this->setFiltered(true);
            $this->setFilterMode(IL_FM_POSITIVE);
        }
    }

References $DIC, $ilCtrl, $ilSetting, $lng, ilExplorer\$tree, $type, ilExplorer\addFilter(), IL_FM_POSITIVE, ilExplorer\setFiltered(), ilExplorer\setFilterMode(), ilExplorer\setSessionExpandVariable(), settings(), ilExplorer\setTitle(), and user().

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Member Function Documentation

◆ buildFrameTarget()

ilRepositoryExplorer::buildFrameTarget	(	$a_type,
		$a_child = `0`,
		$a_obj_id = `0`
	)

STATIC, do not use $this inside!

Note: this is used by course interface !?

Reimplemented from ilExplorer.

Definition at line 191 of file class.ilRepositoryExplorer.php.

    {
        switch ($a_type) {
            case "cat":
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", "cat");
                return $t_frame;
 
            case "catr":
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", "catr");
                return $t_frame;
 
            case "grp":
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", "grp");
                return $t_frame;
 
            case "grpr":
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", "grpr");
                return $t_frame;
 
            case "crs":
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", "crs");
                return $t_frame;
                
            case "crsr":
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", "crsr");
                return $t_frame;
 
            case 'rcrs':
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", 'rcrs');
                return $t_frame;
 
            case 'prg':
                $t_frame = ilFrameTargetInfo::_getFrame("RepositoryContent", 'prg');
                return $t_frame;
 
            default:
                return "_top";
        }
    }

References $a_type, and ilFrameTargetInfo\_getFrame().

Referenced by ilPasteIntoMultipleItemsExplorer\formatObject(), ilWorkspaceExplorer\formatObject(), and ilCourseContentGUI\showStartObjects().

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◆ buildLinkTarget()

ilRepositoryExplorer::buildLinkTarget	(	$a_node_id,
		$a_type
	)

note: most of this stuff is used by ilCourseContentInterface too

Reimplemented from ilExplorer.

Reimplemented in ilWorkspaceExplorer.

Definition at line 124 of file class.ilRepositoryExplorer.php.

    {
        $ilCtrl = $this->ctrl;
        
        $ilCtrl->setTargetScript("ilias.php");
 
        switch ($a_type) {
            case "cat":
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "");
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                return $link;
 
            case "catr":
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "redirect");
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                return $link;
 
            case "grp":
                $ilCtrl->setParameterByClass("ilobjgroupgui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjgroupgui"), "");
                $ilCtrl->setParameterByClass("ilobjgroupgui", "ref_id", $_GET["ref_id"]);
                return $link;
            case "grpr":
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "redirect");
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                return $link;
 
            case "crs":
                $ilCtrl->setParameterByClass("ilobjcoursegui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjcoursegui"), "view");
                $ilCtrl->setParameterByClass("ilobjcoursegui", "ref_id", $_GET["ref_id"]);
                return $link;
                
            case "crsr":
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "redirect");
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                return $link;
 
            case 'rcrs':
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "infoScreen");
                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                return $link;
 
            case 'prg':
                $ilCtrl->setParameterByClass("ilobjstudyprogrammegui", "ref_id", $a_node_id);
                $link = $ilCtrl->getLinkTargetByClass("ilobjstudyprogrammegui", "view");
                $ilCtrl->setParameterByClass("ilobjstudyprogrammegui", "ref_id", $_GET["ref_id"]);
                return $link;
 
            default:
                include_once('./Services/Link/classes/class.ilLink.php');
                return ilLink::_getStaticLink($a_node_id, $a_type, true);
 
        }
    }

References $_GET, $a_type, $ctrl, $ilCtrl, and ilLink\_getStaticLink().

Referenced by ilPasteIntoMultipleItemsExplorer\formatObject().

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◆ forceExpanded()

ilRepositoryExplorer::forceExpanded ( $a_node )

Force expansion of node.

Parameters

return

Reimplemented from ilExplorer.

Definition at line 508 of file class.ilRepositoryExplorer.php.

    {
        if (in_array($a_node, $this->force_open_path)) {
            return true;
        }
        return false;
    }

◆ formatHeader()

ilRepositoryExplorer::formatHeader	(	$tpl,
		$a_obj_id,
		$a_option
	)

overwritten method from base class @access public

Parameters

integer	obj_id
integer	array options

Returns: string

Reimplemented from ilExplorer.

Reimplemented in ilPasteIntoMultipleItemsExplorer, and ilWorkspaceExplorer.

Definition at line 412 of file class.ilRepositoryExplorer.php.

    {
        $lng = $this->lng;
        $tree = $this->tree;
        $ilCtrl = $this->ctrl;
 
        // custom icons
        $path = ilObject::_getIcon($a_obj_id, "tiny", "root");
 
        $tpl->setCurrentBlock("icon");
        $nd = $tree->getNodeData(ROOT_FOLDER_ID);
        $title = $nd["title"];
        if ($title == "ILIAS") {
            $title = $lng->txt("repository");
        }
 
        $tpl->setVariable("ICON_IMAGE", $path);
        $tpl->setVariable("TXT_ALT_IMG", $lng->txt("icon") . " " . $title);
        $tpl->parseCurrentBlock();
 
        $tpl->setCurrentBlock("link");
        $tpl->setVariable("TITLE", $title);
        $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", "1");
        $tpl->setVariable(
            "LINK_TARGET",
            $ilCtrl->getLinkTargetByClass("ilrepositorygui", "frameset")
        );
        $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
        $tpl->setVariable("TARGET", " target=\"_top\"");
        $tpl->parseCurrentBlock();
 
        $tpl->setCurrentBlock("element");
        $tpl->parseCurrentBlock();
    }

References $_GET, $ctrl, $ilCtrl, $lng, $nd, $path, $title, ilExplorer\$tpl, ilExplorer\$tree, and ilObject\_getIcon().

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◆ getImage()

ilRepositoryExplorer::getImage	(	$a_name,
		$a_type = `""`,
		$a_obj_id = `""`
	)

get image path

Reimplemented from ilExplorer.

Definition at line 234 of file class.ilRepositoryExplorer.php.

    {
        if ($a_type != "") {
            return ilObject::_getIcon($a_obj_id, "tiny", $a_type);
        }
        
        return parent::getImage($a_name);
    }

References $a_type, and ilObject\_getIcon().

Referenced by ilPasteIntoMultipleItemsExplorer\formatObject(), and ilWorkspaceExplorer\formatObject().

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◆ isClickable()

ilRepositoryExplorer::isClickable	(	$a_type,
		$a_ref_id = `0`,
		$a_obj_id = `0`
	)

Reimplemented in ilPasteIntoMultipleItemsExplorer, and ilWorkspaceExplorer.

Definition at line 243 of file class.ilRepositoryExplorer.php.

    {
        $rbacsystem = $this->rbacsystem;
        $tree = $this->tree;
        $ilDB = $this->db;
        $ilUser = $this->user;
        $ilAccess = $this->access;
 
        if (!ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id, $a_obj_id)) {
            return false;
        }
 
        switch ($a_type) {
            case 'tst':
                if (!$rbacsystem->checkAccess("read", $a_ref_id)) {
                    return false;
                }
 
                $query = sprintf("SELECT * FROM tst_tests WHERE obj_fi=%s", $a_obj_id);
                $res = $ilDB->query($query);
                while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
                    return (bool) $row->complete;
                }
                return false;
 
            case 'svy':
                if (!$rbacsystem->checkAccess("read", $a_ref_id)) {
                    return false;
                }
 
                $query = sprintf("SELECT * FROM svy_svy WHERE obj_fi=%s", $a_obj_id);
                $res = $ilDB->query($query);
                while ($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT)) {
                    return (bool) $row->complete;
                }
                return false;
 
            // media pools can only be edited
            case "mep":
                if ($rbacsystem->checkAccess("read", $a_ref_id)) {
                    return true;
                } else {
                    return false;
                }
                break;
            case 'grpr':
            case 'crsr':
            case 'catr':
                include_once('./Services/ContainerReference/classes/class.ilContainerReferenceAccess.php');
                return ilContainerReferenceAccess::_isAccessible($a_ref_id);
            case 'prg':
                    return $rbacsystem->checkAccess("visible", $a_ref_id);
 
                
 
            // all other types are only clickable, if read permission is given
            default:
                if ($rbacsystem->checkAccess("read", $a_ref_id)) {
                    // check if lm is online
                    if ($a_type == "lm") {
                        include_once("./Modules/LearningModule/classes/class.ilObjLearningModule.php");
                        $lm_obj = new ilObjLearningModule($a_ref_id);
                        if ((!$lm_obj->getOnline()) && (!$rbacsystem->checkAccess('write', $a_ref_id))) {
                            return false;
                        }
                    }
                    // check if fblm is online
                    if ($a_type == "htlm") {
                        include_once("./Modules/HTMLLearningModule/classes/class.ilObjFileBasedLM.php");
                        $lm_obj = new ilObjFileBasedLM($a_ref_id);
                        if ((!$lm_obj->getOnline()) && (!$rbacsystem->checkAccess('write', $a_ref_id))) {
                            return false;
                        }
                    }
                    // check if fblm is online
                    if ($a_type == "sahs") {
                        include_once("./Modules/ScormAicc/classes/class.ilObjSAHSLearningModule.php");
                        $lm_obj = new ilObjSAHSLearningModule($a_ref_id);
                        if ((!$lm_obj->getOnline()) && (!$rbacsystem->checkAccess('write', $a_ref_id))) {
                            return false;
                        }
                    }
                    // check if glossary is online
                    if ($a_type == "glo") {
                        $obj_id = ilObject::_lookupObjectId($a_ref_id);
                        include_once("./Modules/Glossary/classes/class.ilObjGlossary.php");
                        if ((!ilObjGlossary::_lookupOnline($obj_id)) &&
                            (!$rbacsystem->checkAccess('write', $a_ref_id))) {
                            return false;
                        }
                    }
 
                    return true;
                } else {
                    return false;
                }
                break;
        }
    }

References $a_type, $access, $db, $ilDB, $ilUser, $query, $rbacsystem, $res, $row, ilExplorer\$tree, $user, ilConditionHandler\_checkAllConditionsOfTarget(), ilContainerReferenceAccess\_isAccessible(), ilObject\_lookupObjectId(), ilObjGlossary\_lookupOnline(), ilDBConstants\FETCHMODE_OBJECT, and sprintf.

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◆ isVisible()

ilRepositoryExplorer::isVisible	(	$a_ref_id,
		$a_type
	)

Reimplemented from ilExplorer.

Reimplemented in ilWorkspaceExplorer.

Definition at line 362 of file class.ilRepositoryExplorer.php.

    {
        $ilAccess = $this->access;
        $tree = $this->tree;
        $ilSetting = $this->settings;
 
        if (!$ilAccess->checkAccess('visible', '', $a_ref_id)) {
            return false;
        }
        
        $is_course = false;
        $container_parent_id = $tree->checkForParentType($a_ref_id, 'grp');
        if (!$container_parent_id) {
            $is_course = true;
            $container_parent_id = $tree->checkForParentType($a_ref_id, 'crs');
        }
        if ($container_parent_id) {
            // do not display session materials for container course/group
            if ($ilSetting->get("repository_tree_pres")  == "all_types" && $container_parent_id != $a_ref_id) {
                // get container event items only once
                if (!isset($this->session_materials[$container_parent_id])) {
                    include_once './Modules/Session/classes/class.ilEventItems.php';
                    $this->session_materials[$container_parent_id] = ilEventItems::_getItemsOfContainer($container_parent_id);
                }
                // get item group items only once
                if (!isset($this->item_group_items[$container_parent_id])) {
                    include_once './Modules/ItemGroup/classes/class.ilItemGroupItems.php';
                    $this->item_group_items[$container_parent_id] = ilItemGroupItems::_getItemsOfContainer($container_parent_id);
                }
                if (in_array($a_ref_id, $this->session_materials[$container_parent_id])) {
                    return false;
                }
                if (in_array($a_ref_id, $this->item_group_items[$container_parent_id])) {
                    return false;
                }
            }
        }
        
        return true;
    }

References $access, $ilSetting, $settings, ilExplorer\$tree, ilItemGroupItems\_getItemsOfContainer(), and ilEventItems\_getItemsOfContainer().

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◆ setForceOpenPath()

ilRepositoryExplorer::setForceOpenPath ( $a_path )

set force open path

Definition at line 116 of file class.ilRepositoryExplorer.php.

    {
        $this->force_open_path = $a_path;
    }

◆ showChilds()

ilRepositoryExplorer::showChilds	(	$a_ref_id,
		$a_obj_id = `0`
	)

Reimplemented in ilPasteIntoMultipleItemsExplorer, and ilWorkspaceExplorer.

Definition at line 343 of file class.ilRepositoryExplorer.php.

    {
        $rbacsystem = $this->rbacsystem;
        $tree = $this->tree;
        //vd($a_ref_id);
 
        if ($a_ref_id == 0) {
            return true;
        }
        if (!ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id, $a_obj_id)) {
            return false;
        }
        if ($rbacsystem->checkAccess("read", $a_ref_id)) {
            return true;
        } else {
            return false;
        }
    }

References $rbacsystem, ilExplorer\$tree, and ilConditionHandler\_checkAllConditionsOfTarget().

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◆ sortNodes()

ilRepositoryExplorer::sortNodes	(	$a_nodes,
		$a_parent_obj_id
	)

sort nodes

@access public

Parameters

return

Reimplemented from ilExplorer.

Reimplemented in ilWorkspaceExplorer.

Definition at line 454 of file class.ilRepositoryExplorer.php.

    {
        $objDefinition = $this->obj_definition;
 
        if ($a_parent_obj_id > 0) {
            $parent_type = ilObject::_lookupType($a_parent_obj_id);
        } else {
            $parent_type  = "dummy";
            $this->type_grps["dummy"] = array("root" => "dummy");
        }
 
        if (empty($this->type_grps[$parent_type])) {
            $this->type_grps[$parent_type] =
                $objDefinition->getGroupedRepositoryObjectTypes($parent_type);
        }
        $group = array();
        
        foreach ($a_nodes as $node) {
            $g = $objDefinition->getGroupOfObj($node["type"]);
            if ($g == "") {
                $g = $node["type"];
            }
            $group[$g][] = $node;
        }
 
        $nodes = array();
        foreach ($this->type_grps[$parent_type] as $t => $g) {
            if (is_array($group[$t])) {
                // do we have to sort this group??
                include_once("./Services/Container/classes/class.ilContainer.php");
                include_once("./Services/Container/classes/class.ilContainerSorting.php");
                $sort = ilContainerSorting::_getInstance($a_parent_obj_id);
                $group = $sort->sortItems($group);
                
                // need extra session sorting here
                if ($t == "sess") {
                }
                
                foreach ($group[$t] as $k => $item) {
                    $nodes[] = $item;
                }
            }
        }
        
        return $nodes;
        //return parent::sortNodes($a_nodes,$a_parent_obj_id);
    }