Inheritance diagram for ilLMTree:

Collaboration diagram for ilLMTree:

Public Member Functions
	__construct ($a_tree_id)
	Constructor. More...

	isCacheUsed ()
	Check if cache is active. More...

	getLastActivePage ()

	getCompleteTree ()
	Get complete tree. More...

Public Member Functions inherited from ilTree
	__construct ($a_tree_id, $a_root_id=0)
	Constructor @access public. More...

	initTreeImplementation ()
	Init tree implementation. More...

	getTreeImplementation ()
	Get tree implementation. More...

	useCache ($a_use=true)
	Use Cache (usually activated) More...

	isCacheUsed ()
	Check if cache is active. More...

	getDepthCache ()
	Get depth cache. More...

	getParentCache ()
	Get parent cache. More...

	initLangCode ()
	Store user language. More...

	getTreeTable ()
	Get tree table name. More...

	getObjectDataTable ()
	Get object data table. More...

	getTreePk ()
	Get tree primary key. More...

	getTableReference ()
	Get reference table if available. More...

	getGap ()
	Get default gap *. More...

	resetInTreeCache ()

	setTableNames ($a_table_tree, $a_table_obj_data, $a_table_obj_reference="")
	set table names The primary key of the table containing your object_data must be 'obj_id' You may use a reference table. More...

	setReferenceTablePK ($a_column_name)
	set column containing primary key in reference table @access public More...

	setObjectTablePK ($a_column_name)
	set column containing primary key in object table @access public More...

	setTreeTablePK ($a_column_name)
	set column containing primary key in tree table @access public More...

	buildJoin ()
	build join depending on table settings @access private More...

	getRelation ($a_node_a, $a_node_b)
	Get relation of two nodes. More...

	getRelationOfNodes ($a_node_a_arr, $a_node_b_arr)
	get relation of two nodes by node data More...

	getChildIds ($a_node)
	Get node child ids @global type $ilDB. More...

	getChilds ($a_node_id, $a_order="", $a_direction="ASC")
	get child nodes of given node @access public More...

	getFilteredChilds ($a_filter, $a_node, $a_order="", $a_direction="ASC")
	get child nodes of given node (exclude filtered obj_types) @access public More...

	getChildsByType ($a_node_id, $a_type)
	get child nodes of given node by object type @access public More...

	getChildsByTypeFilter ($a_node_id, $a_types, $a_order="", $a_direction="ASC")
	get child nodes of given node by object type @access public More...

	insertNodeFromTrash ($a_source_id, $a_target_id, $a_tree_id, $a_pos=IL_LAST_NODE, $a_reset_deleted_date=false)
	Insert node from trash deletes trash entry. More...

	insertNode ($a_node_id, $a_parent_id, $a_pos=IL_LAST_NODE, $a_reset_deletion_date=false)
	insert new node with node_id under parent node with parent_id @access public More...

	getFilteredSubTree ($a_node_id, $a_filter=array())
	get filtered subtree More...

	getSubTreeIds ($a_ref_id)
	Get all ids of subnodes. More...

	getSubTree ($a_node, $a_with_data=true, $a_type="")
	get all nodes in the subtree under specified node More...

	getSubTreeTypes ($a_node, $a_filter=0)
	get types of nodes in the subtree under specified node More...

	deleteTree ($a_node)
	delete node and the whole subtree under this node @access public More...

	validateParentRelations ()
	Validate parent relations of tree. More...

	getPathFull ($a_endnode_id, $a_startnode_id=0)
	get path from a given startnode to a given endnode if startnode is not given the rootnode is startnode. More...

	preloadDepthParent ($a_node_ids)
	Preload depth/parent. More...

	getPathId ($a_endnode_id, $a_startnode_id=0)
	get path from a given startnode to a given endnode if startnode is not given the rootnode is startnode @access public More...

	getNodePathForTitlePath ($titlePath, $a_startnode_id=null)
	Converts a path consisting of object titles into a path consisting of tree nodes. More...

	getNodePath ($a_endnode_id, $a_startnode_id=0)
	Returns the node path for the specified object reference. More...

	checkTree ()
	check consistence of tree all left & right values are checked if they are exists only once @access public More...

	checkTreeChilds ($a_no_zero_child=true)
	check, if all childs of tree nodes exist in object table More...

	getMaximumDepth ()
	Return the current maximum depth in the tree @access public. More...

	getDepth ($a_node_id)
	return depth of a node in tree @access private More...

	getNodeTreeData ($a_node_id)
	return all columns of tabel tree More...

	getNodeData ($a_node_id, $a_tree_pk=null)
	get all information of a node. More...

	fetchNodeData ($a_row)
	get data of parent node from tree and object_data @access private More...

	isInTree ($a_node_id)
	get all information of a node. More...

	getParentNodeData ($a_node_id)
	get data of parent node from tree and object_data @access public More...

	isGrandChild ($a_startnode_id, $a_querynode_id)
	checks if a node is in the path of an other node @access public More...

	addTree ($a_tree_id, $a_node_id=-1)
	create a new tree to do: ??? More...

	getNodeDataByType ($a_type)
	get nodes by type More...

	removeTree ($a_tree_id)
	remove an existing tree More...

	moveToTrash ($a_node_id, $a_set_deleted=false, $a_deleted_by=0)
	Move node to trash bin. More...

	isDeleted ($a_node_id)
	This is a wrapper for isSaved() with a more useful name. More...

	isSaved ($a_node_id)
	Use method isDeleted check if node is saved. More...

	preloadDeleted ($a_node_ids)
	Preload deleted information. More...

	getSavedNodeData ($a_parent_id)
	get data saved/deleted nodes More...

	getSavedNodeObjIds (array $a_obj_ids)
	get object id of saved/deleted nodes More...

	getParentId ($a_node_id)
	get parent id of given node @access public More...

	getLeftValue ($a_node_id)
	get left value of given node @access public More...

	getChildSequenceNumber ($a_node, $type="")
	get sequence number of node in sibling sequence @access public More...

	readRootId ()
	read root id from database More...

	getRootId ()
	get the root id of tree @access public More...

	setRootId ($a_root_id)

	getTreeId ()
	get tree id @access public More...

	setTreeId ($a_tree_id)
	set tree id @access public More...

	fetchSuccessorNode ($a_node_id, $a_type="")
	get node data of successor node More...

	fetchPredecessorNode ($a_node_id, $a_type="")
	get node data of predecessor node More...

	renumber ($node_id=1, $i=1)
	Wrapper for renumber. More...

	__renumber ($node_id=1, $i=1)
	This method is private. More...

	checkForParentType ($a_ref_id, $a_type, $a_exclude_source_check=false)
	Check for parent type e.g check if a folder (ref_id 3) is in a parent course obj => checkForParentType(3,'crs');. More...

	__isMainTree ()
	Check if operations are done on main tree. More...

	__checkDelete ($a_node)
	Check for deleteTree() compares a subtree of a given node by checking lft, rgt against parent relation. More...

	__getSubTreeByParentRelation ($a_node_id, &$parent_childs)
	@global type $ilDB More...

	__validateSubtrees (&$lft_childs, $parent_childs)

	moveTree ($a_source_id, $a_target_id, $a_location=self::POS_LAST_NODE)
	Move Tree Implementation. More...

	getRbacSubtreeInfo ($a_endnode_id)
	This method is used for change existing objects and returns all necessary information for this action. More...

	getSubTreeQuery ($a_node_id, $a_fields=array(), $a_types='', $a_force_join_reference=false)
	Get tree subtree query. More...

	getTrashSubTreeQuery ($a_node_id, $a_fields=[], $a_types='', $a_force_join_reference=false)

	getSubTreeFilteredByObjIds ($a_node_id, array $a_obj_ids, array $a_fields=array())
	get all node ids in the subtree under specified node id, filter by object ids More...

	deleteNode ($a_tree_id, $a_node_id)

	lookupTrashedObjectTypes ()
	Lookup object types in trash @global type $ilDB. More...

	isRepositoryTree ()
	check if current tree instance operates on repository tree table More...

Static Public Member Functions
static	getInstance ($a_tree_id)
	Get Instance. More...

Static Public Member Functions inherited from ilTree
static	lookupTreesForNode (int $node_id)

static	_removeEntry ($a_tree, $a_child, $a_db_table="tree")
	STATIC METHOD Removes a single entry from a tree. More...

Static Public Attributes
static	$instances = array()

Protected Attributes
	$db

	$complete_tree

Protected Attributes inherited from ilTree
	$depth_cache = array()

	$parent_cache = array()

	$in_tree_cache = array()

Additional Inherited Members
Data Fields inherited from ilTree
const	TREE_TYPE_MATERIALIZED_PATH = 'mp'

const	TREE_TYPE_NESTED_SET = 'ns'

const	POS_LAST_NODE = -2

const	POS_FIRST_NODE = -1

const	RELATION_CHILD = 1

const	RELATION_PARENT = 2

const	RELATION_SIBLING = 3

const	RELATION_EQUALS = 4

const	RELATION_NONE = 5

	$ilias

	$log

	$root_id

	$tree_id

	$table_tree

	$table_obj_data

	$table_obj_reference

	$ref_pk

	$obj_pk

	$tree_pk

	$gap

Protected Member Functions inherited from ilTree
	fetchTranslationFromObjectDataCache ($a_obj_ids)
	Get translation data from object cache (trigger in object cache on preload) More...

Detailed Description

Author: Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version: $Id$

Definition at line 12 of file class.ilLMTree.php.

Constructor & Destructor Documentation

◆ __construct()

ilLMTree::__construct ( $a_tree_id )

Constructor.

Parameters

integer $a_tree_id tree id

Definition at line 31 of file class.ilLMTree.php.

    {
        global $DIC;
 
        $this->db = $DIC->database();
        parent::__construct($a_tree_id);
        $this->setTableNames('lm_tree', 'lm_data');
        $this->setTreeTablePK("lm_id");
        $this->useCache(true);
    }

References $DIC, ILIAS\GlobalScreen\Provider\__construct(), ilTree\setTableNames(), ilTree\setTreeTablePK(), and ilTree\useCache().

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Member Function Documentation

◆ getCompleteTree()

ilLMTree::getCompleteTree ( )

Get complete tree.

Definition at line 92 of file class.ilLMTree.php.

    {
        if (is_null($this->complete_tree)) {
            $this->complete_tree = $this->getSubTree($this->getNodeData($this->readRootId()));
        }
        return $this->complete_tree;
    }

References $complete_tree, ilTree\getNodeData(), ilTree\getSubTree(), and ilTree\readRootId().

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◆ getInstance()

static ilLMTree::getInstance ( $a_tree_id )

static

Get Instance.

Parameters

return

Definition at line 48 of file class.ilLMTree.php.

    {
        if (isset(self::$instances[$a_tree_id])) {
            return self::$instances[$a_tree_id];
        }
        $tree = new ilLMTree($a_tree_id);
        self::$instances[$a_tree_id] = $tree;
 
        return $tree;
    }

Referenced by ilLMTracker\__construct(), ilPublicSectionExplorerGUI\__construct(), ilLMExplorerGUI\__construct(), ilLMPresentationService\__construct(), ilLMPageObject\_getPresentationTitle(), and ilStructureObject\_getPresentationTitle().

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◆ getLastActivePage()

ilLMTree::getLastActivePage ( )

Definition at line 70 of file class.ilLMTree.php.

    {
        $ilDB = $this->db;
        
        $ilDB->setLimit(1);
        
        $sql = "SELECT lm_data.obj_id" .
            " FROM lm_data" .
            " JOIN lm_tree ON (lm_tree.child = lm_data.obj_id)" .
            " JOIN page_object ON (page_object.page_id = lm_data.obj_id AND page_object.parent_type = " . $ilDB->quote("lm", "text") . ")" .
            " WHERE lm_tree.lm_id = " . $ilDB->quote($this->tree_id, "integer") .
            " AND lm_data.type = " . $ilDB->quote("pg", "text") .
            " AND page_object.active = " . $ilDB->quote(1, "integer") .
            " ORDER BY lm_tree.rgt DESC";
        $set = $ilDB->query($sql);
        $row = $ilDB->fetchAssoc($set);
        return (int) $row["obj_id"];
    }

References $db, and $ilDB.

◆ isCacheUsed()

ilLMTree::isCacheUsed ( )

Check if cache is active.

Returns: bool

Reimplemented from ilTree.

Definition at line 64 of file class.ilLMTree.php.

    {
        return $this->use_cache;
    }

Field Documentation

◆ $complete_tree

ilLMTree::$complete_tree

protected

Definition at line 24 of file class.ilLMTree.php.

Referenced by getCompleteTree().

◆ $db

ilLMTree::$db

protected

Definition at line 17 of file class.ilLMTree.php.

Referenced by getLastActivePage().

◆ $instances

ilLMTree::$instances = array()

static

Definition at line 19 of file class.ilLMTree.php.

The documentation for this class was generated from the following file:

Modules/LearningModule/classes/class.ilLMTree.php

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Attributes

Additional Inherited Members