ilTreeImplementation Interface Reference

Interface for tree implementations Currrently nested set or materialize path. More...

Inheritance diagram for ilTreeImplementation:

Collaboration diagram for ilTreeImplementation:

Public Member Functions
	getSubTreeIds ($a_node_id)
	Get subtree ids for a specific node. More...
	getSubTreeQuery ($a_node, $a_types='', $a_force_join_reference=true, $a_fields=array())
	Get subtree. More...
	getRelation ($a_node_a, $a_node_b)
	Get relation of two nodes. More...
	getPathIds ($a_endnode, $a_startnode=0)
	Get path ids from a startnode to a given endnode. More...
	insertNode ($a_node_id, $a_parent_id, $a_pos)
	deleteTree ($a_node_id)
	Delete tree. More...
	moveToTrash ($a_node_id)
	Move subtree to trash. More...
	moveTree ($a_source_id, $a_target_id, $a_position)
	Move a source subtree to target. More...
	getSubtreeInfo ($a_endnode_id)
	Get subtree info lft, rgt, path, child, type. More...
	validateParentRelations ()
	Validate the parent relations of the tree implementation For nested set, validate the lft, rgt against child <-> parent For materialized path validate path against child <-> parent. More...

Detailed Description

Interface for tree implementations Currrently nested set or materialize path.

Author

Stefan Meyer smeye.nosp@m.r.il.nosp@m.ias@g.nosp@m.mx.d.nosp@m.e

Version

$Id$

Definition at line 14 of file interface.ilTreeImplementation.php.

Member Function Documentation

deleteTree()

ilTreeImplementation::deleteTree

(

$a_node_id

)

Delete tree.

Parameters

int

$node_id

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

getPathIds()

ilTreeImplementation::getPathIds	(		$a_endnode,
			$a_startnode = 0
	)

Get path ids from a startnode to a given endnode.

Parameters

int	$a_endnode
int	$a_startnode

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

getRelation()

ilTreeImplementation::getRelation	(		$a_node_a,
			$a_node_b
	)

Get relation of two nodes.

See also

ilTree RELATION_NONE, RELATION_CHILD, RELATION_PARENT, RELATION_SIBLING

Parameters

array	$a_node_a
array	$a_node_b

Returns

int relation

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

getSubTreeIds()

ilTreeImplementation::getSubTreeIds

(

$a_node_id

)

Get subtree ids for a specific node.

Returns

array node_ids

Todo:

should be merged with getSubTree()

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

getSubtreeInfo()

ilTreeImplementation::getSubtreeInfo

(

$a_endnode_id

)

Get subtree info lft, rgt, path, child, type.

Returns

array

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

getSubTreeQuery()

ilTreeImplementation::getSubTreeQuery	(		$a_node,
			$a_types = '',
			$a_force_join_reference = true,
			$a_fields = array()
	)

Get subtree.

Parameters

array	$a_node
mixed	$a_types

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

insertNode()

ilTreeImplementation::insertNode	(		$a_node_id,
			$a_parent_id,
			$a_pos
	)

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

moveToTrash()

ilTreeImplementation::moveToTrash

(

$a_node_id

)

Move subtree to trash.

Parameters

type

$a_node_id

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

moveTree()

ilTreeImplementation::moveTree	(		$a_source_id,
			$a_target_id,
			$a_position
	)

Move a source subtree to target.

Parameters

type	$a_source_id
type	$a_target_id
type	$a_position

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

validateParentRelations()

ilTreeImplementation::validateParentRelations

(

)

Validate the parent relations of the tree implementation For nested set, validate the lft, rgt against child <-> parent For materialized path validate path against child <-> parent.

Returns

int[] array of failure nodes

Implemented in ilMaterializedPathTree, and ilNestedSetTree.

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

• Services/Tree/interfaces/interface.ilTreeImplementation.php