Explorer for selecting repository items. More...

Inheritance diagram for ilRepositorySelectorExplorerGUI:

Collaboration diagram for ilRepositorySelectorExplorerGUI:

Public Member Functions
	setNodeContentModifier (Closure $a_val)

	getNodeContentModifier ()

	getNodeContent ($a_node)
	Get content of a node. More...

	getNodeIcon ($a_node)
	Get node icon path. More...

	getNodeIconAlt ($a_node)
	Get node icon alt attribute. More...

	isNodeHighlighted ($a_node)
	Is node highlighted? More...

	getNodeHref ($a_node)
	Get href for node. More...

	isNodeVisible ($a_node)
	Is node visible? More...

	sortChilds (array $a_childs, $a_parent_node_id)
	Sort childs. More...

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

	setClickablePermission (string $rbac_perm)

	isNodeClickable ($a_node)
	Is node clickable? More...

	setHighlightedNode (string $a_value)

	getHighlightedNode ()

	setClickableTypes (array $a_types)

	getClickableTypes ()

	setSelectableTypes (array $a_types)

	getSelectableTypes ()

	getHTML ($new=false)
	Get HTML. More...

Public Member Functions inherited from ilTreeExplorerGUI
	__construct (string $a_expl_id, $a_parent_obj, string $a_parent_cmd, ilTree $a_tree, string $a_node_parameter_name="node_id")

	getTree ()

	setOrderField (string $a_val, bool $a_numeric=false)

	getOrderField ()

	setTypeWhiteList (array $a_val)
	Set type white list. More...

	getTypeWhiteList ()
	Get type white list. More...

	setTypeBlackList (array $a_val)
	Set type black list. More...

	getTypeBlackList ()
	Get type black list. More...

	setPreloadChilds (bool $a_val)

	getPreloadChilds ()

	getSuccessorNode ( $a_node_id, string $a_type="")
	Get successor node (currently only(!) based on lft/rgt tree values) More...

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

	getNodeId ($a_node)
	Get id for node. More...

	getNodeIconAlt ($a_node)
	Get node icon alt attribute. More...

	getRootNode ()
	Get root node. More...

	setRootId ($a_root)

	setPathOpen ($a_id)
	Set node path to be opened. More...

	getHTML ($new=false)
	Get HTML. More...

	getChildren ($record, $environment=null)
	Get a list of records (that list can also be empty). More...

	build (\ILIAS\UI\Component\Tree\Node\Factory $factory, $record, $environment=null)

	getTreeLabel ()

	getTreeComponent ()

	toggleExplorerNodeState ()
	Should be called by an ilCtrl-enabled command class if a tree node toggle action should be processed. More...

Public Member Functions inherited from ilExplorerBaseGUI
	setChildLimit (int $a_val)

	getChildLimit ()

	setSearchTerm (string $a_val)

	getSearchTerm ()

	setMainTemplate (?ilGlobalTemplateInterface $a_main_tpl=null)

	getRootNode ()
	Get root node. More...

	getChildsOfNode ($a_parent_node_id)
	Get children of node. More...

	getNodeContent ($a_node)
	Get content of a node. More...

	getNodeId ($a_node)
	Get id of a node. More...

	getNodeHref ($a_node)
	Get href for node. More...

	nodeHasVisibleChilds ($a_node)
	Node has children Please note that this standard method may not be optimal depending on what a derived class does in isNodeVisible. More...

	sortChilds (array $a_childs, $a_parent_node_id)
	Sort childs. More...

	getNodeIcon ($a_node)
	Get node icon path. More...

	getNodeIconAlt ($a_node)
	Get node icon alt attribute. More...

	getNodeTarget ($a_node)
	Get node target (frame) attribute. More...

	getNodeOnClick ($a_node)
	Get node onclick attribute. More...

	isNodeVisible ($a_node)
	Is node visible? More...

	isNodeHighlighted ($a_node)
	Is node highlighted? More...

	isNodeClickable ($a_node)
	Is node clickable? More...

	getId ()
	Get id of explorer element. More...

	setSkipRootNode (bool $a_val)

	getSkipRootNode ()

	setAjax (bool $a_val)

	getAjax ()

	setSecondaryHighlightedNodes (array $a_val)
	Set secondary (background) highlighted nodes. More...

	getSecondaryHighlightedNodes ()
	Get secondary (background) highlighted nodes. More...

	setNodeOpen ($a_id)
	Set node to be opened (additional custom opened node, not standard expand behaviour) More...

	setSelectMode (string $a_postvar, bool $a_multi=false)
	Set select mode (to deactivate, pass an empty string as postvar) More...

	setNodeSelected ($a_id)
	Set node to be opened (additional custom opened node, not standard expand behaviour) More...

	setOfflineMode (bool $a_val)

	getOfflineMode ()

	handleCommand ()
	Handle explorer internal command. More...

	getContainerId ()

	openNode ()
	Open node. More...

	closeNode ()
	Close node. More...

	getNodeAsync ()
	Get node asynchronously. More...

	beforeRendering ()
	Before rendering. More...

	getOnLoadCode ()
	Get on load code. More...

	getHTML ()

	renderNode ($a_node, ilTemplate $tpl)
	Render node. More...

	renderChilds ($a_node_id, ilTemplate $tpl)
	Render childs. More...

	getDomNodeIdForNodeId ($a_node_id)
	Get DOM node id for node id. More...

	getNodeIdForDomNodeId (string $a_dom_node_id)
	Get node id for dom node id. More...

	listItemStart (ilTemplate $tpl, $a_node)
	List item start. More...

	listItemEnd (ilTemplate $tpl)

	listStart (ilTemplate $tpl)

	listEnd (ilTemplate $tpl)

	isNodeOnclickEnabled ()

	setNodeOnclickEnabled (bool $nodeOnclickEnabled)

	isEnableDnd ()

	setEnableDnd (bool $enable_dnd)

Public Member Functions inherited from ILIAS\UI\Component\Tree\TreeRecursion
	getChildren ( $record, $environment=null)
	Get a list of records (that list can also be empty). More...

	build (Node\Factory $factory, $record, $environment=null)
	Build and return a Node. More...

Protected Member Functions
	getContextHighlightNode ()

	isNodeIncludedInTree (array $node)

	isNodeSelectable ($a_node)
	Is node selectable? More...

Protected Member Functions inherited from ilTreeExplorerGUI
	preloadChilds ()

	matches ($node)
	Does a node match a search term (or is search term empty) More...

	getRootId ()

	createNode (\ILIAS\UI\Component\Tree\Node\Factory $factory, $record)
	Creates at tree node, can be overwritten in derivatives if another node type should be used. More...

	getNodeStateToggleCmdClasses ($record)
	Should return an array of ilCtrl-enabled command classes which should be used to build the URL for the expand/collapse actions applied on a tree node. More...

	render ()

Protected Member Functions inherited from ilExplorerBaseGUI
	isNodeSelectable ($a_node)
	Is node selectable? More...

	getNodeToggleOnClick ($a_node)
	Get onclick attribute for node toggling. More...

	getSelectOnClick ($a_node)
	Get onclick attribute for selecting radio/checkbox. More...

	isNodeOpen ($node_id)
	Get all open nodes. More...

	getJSTreePlugins ()

	isNodeRequested (string $a_node_id)

Protected Attributes
ilObjectDefinition	$obj_definition

array	$type_grps = []

array	$session_materials = []

string	$highlighted_node = ""

int	$context_highlight_node = null

bool	$context_highlight_node_determined = false

array	$clickable_types = []

array	$selectable_types = []

ilAccessHandler	$access

Closure	$nc_modifier = null

string	$selection_gui = null

string	$selection_par

string	$selection_cmd

StandardGUIRequest	$request

int	$cur_ref_id

Protected Attributes inherited from ilTreeExplorerGUI
ilLanguage	$lng

Psr Http Message ServerRequestInterface	$httpRequest

ilTree	$tree = null

string	$tree_label = ""

string	$order_field = ""

bool	$order_field_numeric = false

array	$type_white_list = array()

array	$type_black_list = array()

array	$childs = array()

bool	$preloaded = false

bool	$preload_childs = false

array	$root_node_data = null

array	$all_childs = array()

	$root_id = 0

ILIAS DI UIServices	$ui

Protected Attributes inherited from ilExplorerBaseGUI
string	$node_parameter_name

ilLogger	$log

ilCtrl	$ctrl

ilGlobalTemplateInterface	$tpl

bool	$skip_root_node = false

bool	$ajax = false

array	$custom_open_nodes = array()

array	$selected_nodes = array()

string	$select_postvar = ""

bool	$offline_mode = false

array	$sec_highl_nodes = array()

bool	$enable_dnd = false

string	$search_term = ""

array	$open_nodes = []

ilSessionIStorage	$store

bool	$select_multi = false

	$parent_obj

int	$child_limit = 0

string	$parent_cmd = ''

string	$requested_exp_cmd = ""

string	$requested_exp_cont = ""

string	$requested_searchterm = ""

string	$requested_node_id = ""

string	$id

Private Attributes
string	$clickable_permission = 'read'

Additional Inherited Members
Static Public Member Functions inherited from ilExplorerBaseGUI
static	getLocalExplorerJsPath ()

static	getLocalJsTreeJsPath ()

static	getLocalJsTreeCssPath ()

static	createHTMLExportDirs (string $a_target_dir)

static	init (?ilGlobalTemplateInterface $a_main_tpl=null)

Static Protected Attributes inherited from ilExplorerBaseGUI
static string	$js_tree_path = "./node_modules/jstree/dist/jstree.js"

static string	$js_tree_path_css = "./node_modules/jstree/dist/themes/default/style.min.css"

static string	$js_expl_path = "assets/js/Explorer2.js"

Detailed Description

Explorer for selecting repository items.

The implementation starts as a replacement for the often (ab)used ilSearchRootSelector class. Clicking items triggers a "selection" command. However ajax/checkbox/radio and use in an inputgui class should be implemented in the future, too.

Author: Alexander Killing killi.nosp@m.ng@l.nosp@m.eifos.nosp@m..de

Definition at line 30 of file class.ilRepositorySelectorExplorerGUI.php.

Member Function Documentation

◆ getChildsOfNode()

ilRepositorySelectorExplorerGUI::getChildsOfNode ( $a_parent_node_id )

Get childs of node.

Parameters

int | string $a_parent_node_id parent id

Returns: array childs

Reimplemented from ilTreeExplorerGUI.

Reimplemented in ilIntLinkRepItemExplorerGUI.

Definition at line 283 of file class.ilRepositorySelectorExplorerGUI.php.

                                                      : array
    {
        $ilAccess = $this->access;
        if (!$ilAccess->checkAccess("read", "", (int) $a_parent_node_id)) {
            return [];
        }
 
        return parent::getChildsOfNode($a_parent_node_id);
    }

References $access.

◆ getClickableTypes()

ilRepositorySelectorExplorerGUI::getClickableTypes ( )

Definition at line 328 of file class.ilRepositorySelectorExplorerGUI.php.

                                       : array
    {
        return $this->clickable_types;
    }

References $clickable_types.

Referenced by isNodeClickable().

Here is the caller graph for this function:

◆ getContextHighlightNode()

ilRepositorySelectorExplorerGUI::getContextHighlightNode ( )

protected

Definition at line 168 of file class.ilRepositorySelectorExplorerGUI.php.

                                                : int
    {
        if ($this->context_highlight_node_determined) {
            return $this->context_highlight_node ?? 0;
        }
 
        $this->context_highlight_node_determined = true;
        $ref_id = $this->cur_ref_id;
        if ($ref_id === 0) {
            $this->context_highlight_node = (int) $this->getNodeId($this->getRootNode());
            return $this->context_highlight_node;
        }
 
        while ($ref_id > 0) {
            $node = $this->tree->getNodeData($ref_id);
            if (is_array($node) && $this->isNodeIncludedInTree($node)) {
                $this->context_highlight_node = $ref_id;
                return $ref_id;
            }
 
            $ref_id = $this->tree->getParentId($ref_id);
        }
 
        return 0;
    }

References $context_highlight_node, $cur_ref_id, ilTreeExplorerGUI\getNodeId(), ilTreeExplorerGUI\getRootNode(), ILIAS\Repository\int(), and isNodeIncludedInTree().

Referenced by isNodeHighlighted().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ getHighlightedNode()

ilRepositorySelectorExplorerGUI::getHighlightedNode ( )

Definition at line 318 of file class.ilRepositorySelectorExplorerGUI.php.

                                        : string
    {
        return $this->highlighted_node;
    }

References $highlighted_node.

Referenced by isNodeHighlighted().

Here is the caller graph for this function:

◆ getHTML()

ilRepositorySelectorExplorerGUI::getHTML ( $new = false )

Get HTML.

Returns: string html

Reimplemented from ilTreeExplorerGUI.

Definition at line 351 of file class.ilRepositorySelectorExplorerGUI.php.

                                         : string
    {
        // note: the repository explorers do not support the
        // new rendering yet, since this needs a refactoring of the underlying
        // classes (async handling for performance). This will be done in the legacy ui project but requires
        // a common strategy and funding. See also https://mantis.ilias.de/view.php?id=47319
        return parent::getHTML();
    }

◆ getNodeContent()

ilRepositorySelectorExplorerGUI::getNodeContent ( $a_node )

Get content of a node.

Parameters

object | array $a_node node array or object

Returns: string content of the node

Reimplemented from ilExplorerBaseGUI.

Definition at line 118 of file class.ilRepositorySelectorExplorerGUI.php.

                                           : string
    {
        $lng = $this->lng;
 
        $c = $this->getNodeContentModifier();
        if (is_callable($c)) {
            return $c($a_node);
        }
 
        $title = $a_node["title"];
        if ($title === "ILIAS" && (int) $a_node["child"] === (int) $this->getNodeId($this->getRootNode())) {
            $title = $lng->txt("repository");
        }
 
        return (string) $title;
    }

References Vendor\Package\$c, ilTreeExplorerGUI\$lng, getNodeContentModifier(), ilTreeExplorerGUI\getNodeId(), ilTreeExplorerGUI\getRootNode(), and ilLanguage\txt().

Here is the call graph for this function:

◆ getNodeContentModifier()

ilRepositorySelectorExplorerGUI::getNodeContentModifier ( )

Definition at line 113 of file class.ilRepositorySelectorExplorerGUI.php.

                                            : ?Closure
    {
        return $this->nc_modifier;
    }

References $nc_modifier.

Referenced by getNodeContent().

Here is the caller graph for this function:

◆ getNodeHref()

ilRepositorySelectorExplorerGUI::getNodeHref ( $a_node )

Get href for node.

Parameters

object | array $a_node

Returns: string href attribute

Reimplemented from ilExplorerBaseGUI.

Reimplemented in ilPoolSelectorGUI, ilIntLinkRepItemExplorerGUI, ilLinkTargetObjectExplorerGUI, ilPCFileItemFileSelectorGUI, and ilGroupActionTargetExplorerGUI.

Definition at line 208 of file class.ilRepositorySelectorExplorerGUI.php.

                                        : string
    {
        $ilCtrl = $this->ctrl;
 
        if ($this->select_postvar === "") {
            $ilCtrl->setParameterByClass($this->selection_gui, $this->selection_par, $a_node["child"]);
            $link = $ilCtrl->getLinkTargetByClass($this->selection_gui, $this->selection_cmd);
            $ilCtrl->setParameterByClass($this->selection_gui, $this->selection_par, "");
        } else {
            return "#";
        }
 
        return $link;
    }

References ilExplorerBaseGUI\$ctrl, and ilCtrl\setParameterByClass().

Here is the call graph for this function:

◆ getNodeIcon()

ilRepositorySelectorExplorerGUI::getNodeIcon ( $a_node )

Get node icon path.

Parameters

object | array $a_node

Returns: string image file path

Reimplemented from ilExplorerBaseGUI.

Reimplemented in ilIntLinkRepItemExplorerGUI.

Definition at line 135 of file class.ilRepositorySelectorExplorerGUI.php.

                                        : string
    {
        $obj_id = ilObject::_lookupObjId($a_node["child"]);
        return ilObject::_getIcon($obj_id, "tiny", $a_node["type"]);
    }

References ilObject\_getIcon(), and ilObject\_lookupObjId().

Here is the call graph for this function:

◆ getNodeIconAlt()

ilRepositorySelectorExplorerGUI::getNodeIconAlt ( $a_node )

Get node icon alt attribute.

Parameters

object | array $a_node node

Returns: string image alt attribute

Reimplemented from ilTreeExplorerGUI.

Definition at line 141 of file class.ilRepositorySelectorExplorerGUI.php.

                                           : string
    {
        $lng = $this->lng;
 
        if ($a_node["child"] == $this->getNodeId($this->getRootNode())) {
            $title = $a_node["title"];
            if ($title === "ILIAS") {
                $title = $lng->txt("repository");
            }
            return $lng->txt("icon") . " " . $title;
        }
 
        return parent::getNodeIconAlt($a_node);
    }

References ilTreeExplorerGUI\$lng, ilTreeExplorerGUI\getNodeId(), ilTreeExplorerGUI\getRootNode(), and ilLanguage\txt().

Here is the call graph for this function:

◆ getSelectableTypes()

ilRepositorySelectorExplorerGUI::getSelectableTypes ( )

Definition at line 338 of file class.ilRepositorySelectorExplorerGUI.php.

                                        : array
    {
        return $this->selectable_types;
    }

References $selectable_types.

Referenced by isNodeSelectable().

Here is the caller graph for this function:

◆ isNodeClickable()

ilRepositorySelectorExplorerGUI::isNodeClickable ( $a_node )

Is node clickable?

Parameters

object | array $a_node node

Returns: bool node clickable true/false

Reimplemented from ilExplorerBaseGUI.

Reimplemented in ilConditionSelector, ilIntLinkRepItemExplorerGUI, ilLinkTargetObjectExplorerGUI, ilPCFileItemFileSelectorGUI, ilForumMoveTopicsExplorer, ilGroupActionTargetExplorerGUI, and ilTestQuestionPoolSelectorExplorer.

Definition at line 298 of file class.ilRepositorySelectorExplorerGUI.php.

                                            : bool
    {
        $ilAccess = $this->access;
 
        if (!$ilAccess->hasUserRBACorAnyPositionAccess($this->clickable_permission, $a_node["child"])) {
            return false;
        }
 
        if (is_array($this->getClickableTypes()) && count($this->getClickableTypes()) > 0) {
            return in_array($a_node["type"], $this->getClickableTypes(), true);
        }
 
        return true;
    }

References $access, and getClickableTypes().

Here is the call graph for this function:

◆ isNodeHighlighted()

ilRepositorySelectorExplorerGUI::isNodeHighlighted ( $a_node )

Is node highlighted?

Parameters

object | array $a_node node

Returns: bool node highlighted true/false

Reimplemented from ilExplorerBaseGUI.

Reimplemented in ilConditionSelector, and ilIntLinkRepItemExplorerGUI.

Definition at line 156 of file class.ilRepositorySelectorExplorerGUI.php.

                                              : bool
    {
        if ($this->getHighlightedNode()) {
            if ((int) $this->getHighlightedNode() === (int) $a_node["child"]) {
                return true;
            }
            return false;
        }
 
        return (int) $a_node["child"] === $this->getContextHighlightNode();
    }

References getContextHighlightNode(), and getHighlightedNode().

Here is the call graph for this function:

◆ isNodeIncludedInTree()

ilRepositorySelectorExplorerGUI::isNodeIncludedInTree ( array $node )

protected

Definition at line 194 of file class.ilRepositorySelectorExplorerGUI.php.

                                                        : bool
    {
        $type_white_list = $this->getTypeWhiteList();
        if (count($type_white_list) > 0 && !in_array($node["type"], $type_white_list, true)) {
            return false;
        }
 
        if (in_array($node["type"], $this->getTypeBlackList(), true)) {
            return false;
        }
 
        return $this->isNodeVisible($node);
    }

References ilTreeExplorerGUI\$type_white_list, ilTreeExplorerGUI\getTypeBlackList(), ilTreeExplorerGUI\getTypeWhiteList(), and isNodeVisible().

Referenced by getContextHighlightNode().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ isNodeSelectable()

ilRepositorySelectorExplorerGUI::isNodeSelectable ( $a_node )

protected

Is node selectable?

Parameters

object | array $a_node node

Returns: bool node selectable true/false

Reimplemented from ilExplorerBaseGUI.

Reimplemented in ilForumMoveTopicsExplorer.

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

                                                : bool
    {
        if (count($this->getSelectableTypes())) {
            return in_array($a_node['type'], $this->getSelectableTypes(), true);
        }
        return true;
    }

References getSelectableTypes().

Here is the call graph for this function:

◆ isNodeVisible()

ilRepositorySelectorExplorerGUI::isNodeVisible ( $a_node )

Is node visible?

Parameters

object | array $a_node node

Returns: bool node visible true/false

Reimplemented from ilExplorerBaseGUI.

Reimplemented in ilConditionSelector, ilIntLinkRepItemExplorerGUI, ilStandardGlossarySelectorGUI, and ilTestQuestionPoolSelectorExplorer.

Definition at line 223 of file class.ilRepositorySelectorExplorerGUI.php.

                                          : bool
    {
        $ilAccess = $this->access;
 
        if (!$ilAccess->checkAccess('visible', '', $a_node["child"])) {
            return false;
        }
 
        return true;
    }

References $access.

Referenced by isNodeIncludedInTree().

Here is the caller graph for this function:

◆ setClickablePermission()

ilRepositorySelectorExplorerGUI::setClickablePermission ( string $rbac_perm )

Definition at line 293 of file class.ilRepositorySelectorExplorerGUI.php.

                                                             : void
    {
        $this->clickable_permission = $rbac_perm;
    }

◆ setClickableTypes()

ilRepositorySelectorExplorerGUI::setClickableTypes ( array $a_types )

Definition at line 323 of file class.ilRepositorySelectorExplorerGUI.php.

                                                     : void
    {
        $this->clickable_types = $a_types;
    }

Referenced by ilPCFileItemFileSelectorGUI\__construct(), ilStandardGlossarySelectorGUI\__construct(), and ilTestQuestionPoolSelectorExplorer\__construct().

Here is the caller graph for this function:

◆ setHighlightedNode()

ilRepositorySelectorExplorerGUI::setHighlightedNode ( string $a_value )

Definition at line 313 of file class.ilRepositorySelectorExplorerGUI.php.

                                                       : void
    {
        $this->highlighted_node = $a_value;
    }

◆ setNodeContentModifier()

ilRepositorySelectorExplorerGUI::setNodeContentModifier ( Closure $a_val )

Definition at line 108 of file class.ilRepositorySelectorExplorerGUI.php.

                                                          : void
    {
        $this->nc_modifier = $a_val;
    }

◆ setSelectableTypes()

ilRepositorySelectorExplorerGUI::setSelectableTypes ( array $a_types )

Definition at line 333 of file class.ilRepositorySelectorExplorerGUI.php.

                                                      : void
    {
        $this->selectable_types = $a_types;
    }

◆ sortChilds()

ilRepositorySelectorExplorerGUI::sortChilds	(	array	$a_childs,
			$a_parent_node_id
	)

Sort childs.

Parameters

array	$a_childs	array of child nodes
string	$a_parent_node_id	parent node

Returns: array array of childs nodes

Reimplemented from ilExplorerBaseGUI.

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

                                                                  : array
    {
        $objDefinition = $this->obj_definition;
 
        $parent_obj_id = ilObject::_lookupObjId((int) $a_parent_node_id);
 
        if ($parent_obj_id > 0) {
            $parent_type = ilObject::_lookupType($parent_obj_id);
        } else {
            $parent_type = "dummy";
            $this->type_grps["dummy"] = ["root" => "dummy"];
        }
 
        if (empty($this->type_grps[$parent_type])) {
            $this->type_grps[$parent_type] =
                $objDefinition::getGroupedRepositoryObjectTypes($parent_type);
        }
        $group = [];
 
        foreach ($a_childs as $child) {
            $g = $objDefinition->getGroupOfObj($child["type"]);
            if ($g == "") {
                $g = $child["type"];
            }
            $group[$g][] = $child;
        }
 
        // #14587 - $objDefinition->getGroupedRepositoryObjectTypes does NOT include side blocks!
        $wl = $this->getTypeWhiteList();
        if (is_array($wl) && in_array("poll", $wl, true)) {
            $this->type_grps[$parent_type]["poll"] = [];
        }
 
        $childs = [];
        foreach ($this->type_grps[$parent_type] as $t => $g) {
            if (isset($group[$t])) {
                // do we have to sort this group??
                $sort = ilContainerSorting::_getInstance($parent_obj_id);
                $group = $sort->sortItems($group);
 
                foreach ($group[$t] as $k => $item) {
                    $childs[] = $item;
                }
            }
        }
 
        return $childs;
    }