ilTaxNodeAssignment Class Reference

Taxonomy node <-> item assignment. More...

Collaboration diagram for ilTaxNodeAssignment:

Public Member Functions
	__construct ($a_component_id, $a_obj_id, $a_item_type, $a_tax_id)
	Constructor.
	getComponentId ()
	Get component id.
	getItemType ()
	Get item type.
	getTaxonomyId ()
	Get taxonomy id.
	setObjectId ($a_val)
	Set object id.
	getObjectId ()
	Get object id.
	getAssignmentsOfNode ($a_node_id)
	Get assignments of node.
	getAssignmentsOfItem ($a_item_id)
	Get assignments for item.
	addAssignment ($a_node_id, $a_item_id, $a_order_nr=0)
	Add assignment.
	deleteAssignment ($a_node_id, $a_item_id)
	Delete assignment.
	getMaxOrderNr ($a_node_id)
	Get maximum order number.
	setOrderNr ($a_node_id, $a_item_id, $a_order_nr)
	Set order nr.
	deleteAssignmentsOfItem ($a_item_id)
	Delete assignments of item.
	deleteAssignmentsOfNode ($a_node_id)
	Delete assignments of node.
	fixOrderNr ($a_node_id)
	Fix Order Nr.

Static Public Member Functions
static	deleteAllAssignmentsOfNode ($a_node_id)
	Delete assignments of node.
static	findObjectsByNode ($a_tax_id, array $a_node_ids, $a_item_type)
	Find object which have assigned nodes.

Protected Member Functions
	setComponentId ($a_val)
	Set component id.
	setItemType ($a_val)
	Set item type.
	setTaxonomyId ($a_val)
	Set taxonomy id.

Detailed Description

Taxonomy node <-> item assignment.

This class allows to assign items to taxonomy nodes.

Author

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

Version

$Id$

/

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

Constructor & Destructor Documentation

ilTaxNodeAssignment::__construct	(		$a_component_id,
			$a_obj_id,
			$a_item_type,
			$a_tax_id
	)

Constructor.

Parameters

string	$a_component_id	component id (e.g. "glo" for Modules/Glossary)
int	$a_obj_id	repository object id of the object that is responsible for the assignment
string	$a_item_type	item type (e.g. "term", must be unique component wide) [use "obj" if repository object wide taxonomies!]
int	$a_tax_id	taxonomy id

Exceptions

ilTaxonomyException

Definition at line 28 of file class.ilTaxNodeAssignment.php.

References setComponentId(), setItemType(), setObjectId(), and setTaxonomyId().

        {
                if ($a_component_id == "")
                {
                        throw new ilTaxonomyException('No component ID passed to ilTaxNodeAssignment.');
                }
                
                if ($a_item_type == "")
                {
                        throw new ilTaxonomyException('No item type passed to ilTaxNodeAssignment.');
                }

                if ((int) $a_tax_id == 0)
                {
                        throw new ilTaxonomyException('No taxonomy ID passed to ilTaxNodeAssignment.');
                }

                $this->setComponentId($a_component_id);
                $this->setItemType($a_item_type);
                $this->setTaxonomyId($a_tax_id);
                $this->setObjectId($a_obj_id);
        }

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Member Function Documentation

ilTaxNodeAssignment::addAssignment	(		$a_node_id,
			$a_item_id,
			$a_order_nr = 0
	)

Add assignment.

Parameters

int	$a_node_id	node id
int	$a_item_id	item id
int	$a_order_nr	order nr

Exceptions

ilTaxonomyException

Definition at line 205 of file class.ilTaxNodeAssignment.php.

References $ilDB, getComponentId(), getItemType(), getMaxOrderNr(), getObjectId(), and getTaxonomyId().

Referenced by ilObjCategory\cloneDependencies(), and ilTaxonomyDataSet\importRecord().

        {
                global $ilDB;
                
                // nothing to do, if not both IDs are greater 0
                if ((int) $a_node_id == 0 || (int) $a_item_id == 0)
                {
                        return;
                }
                
                // sanity check: does the node belong to the given taxonomy?
                $set = $ilDB->query("SELECT tax_tree_id FROM tax_tree ".
                        " WHERE child = ".$ilDB->quote($a_node_id, "integer")
                        );
                $rec = $ilDB->fetchAssoc($set);
                if ($rec["tax_tree_id"] != $this->getTaxonomyId())
                {
                        throw new ilTaxonomyException('addAssignment: Node ID does not belong to current taxonomy.');
                }

                // do not re-assign, if assignment already exists
                // order number should be kept in this case
                $set2 = $ilDB->query($q = "SELECT item_id FROM tax_node_assignment ".
                        " WHERE component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND node_id = ".$ilDB->quote($a_node_id, "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer").
                        " AND item_id = ".$ilDB->quote($a_item_id, "integer")
                );
                if ($rec2 = $ilDB->fetchAssoc($set2))
                {
                        return;
                }

                if ($a_order_nr == 0)
                {
                        $a_order_nr = $this->getMaxOrderNr($a_node_id) + 10;
                }
                
                $ilDB->replace("tax_node_assignment",
                        array(
                                "node_id" => array("integer", $a_node_id),
                                "component" => array("text", $this->getComponentId()),
                                "item_type" => array("text", $this->getItemType()),
                                "obj_id" => array("integer", $this->getObjectId()),
                                "item_id" => array("integer", $a_item_id)
                                ),
                        array(
                                "tax_id" => array("integer", $this->getTaxonomyId()),
                                "order_nr" => array("integer", $a_order_nr)
                                )
                        );
        }

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static ilTaxNodeAssignment::deleteAllAssignmentsOfNode (   $a_node_id )

static

Delete assignments of node.

Parameters

int

$a_node_id

node id

Definition at line 381 of file class.ilTaxNodeAssignment.php.

References $ilDB.

Referenced by ilTaxonomyNode\delete().

        {
                global $ilDB;

                $ilDB->manipulate("DELETE FROM tax_node_assignment WHERE ".
                        " node_id = ".$ilDB->quote($a_node_id, "integer")
                );
        }

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ilTaxNodeAssignment::deleteAssignment	(		$a_node_id,
			$a_item_id
	)

Delete assignment.

Parameters

int	$a_node_id	node id
int	$a_item_id	item id

Exceptions

ilTaxonomyException

Definition at line 267 of file class.ilTaxNodeAssignment.php.

References $ilDB, and getTaxonomyId().

        {
                global $ilDB;

                // nothing to do, if not both IDs are greater 0
                if ((int) $a_node_id == 0 || (int) $a_item_id == 0)
                {
                        return;
                }

                // sanity check: does the node belong to the given taxonomy?
                $set = $ilDB->query("SELECT tax_tree_id FROM tax_tree ".
                        " WHERE child = ".$ilDB->quote($a_node_id, "integer")
                );
                $rec = $ilDB->fetchAssoc($set);
                if ($rec["tax_tree_id"] != $this->getTaxonomyId())
                {
                        throw new ilTaxonomyException('addAssignment: Node ID does not belong to current taxonomy.');
                }

                $ilDB->manipulate("DELETE FROM tax_node_assignment WHERE ".
                        " component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND item_id = ".$ilDB->quote($a_item_id, "integer").
                        " AND node_id = ".$ilDB->quote($a_node_id, "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer")
                );
        }

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ilTaxNodeAssignment::deleteAssignmentsOfItem

(

$a_item_id

)

Delete assignments of item.

Parameters

int

$a_item_id

item id

Definition at line 346 of file class.ilTaxNodeAssignment.php.

References $ilDB, and getTaxonomyId().

Referenced by ilGlossaryTermGUI\updateTerm().

        {
                global $ilDB;

                $ilDB->manipulate("DELETE FROM tax_node_assignment WHERE ".
                        " component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND item_id = ".$ilDB->quote($a_item_id, "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer")
                        );
        }

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ilTaxNodeAssignment::deleteAssignmentsOfNode

(

$a_node_id

)

Delete assignments of node.

Parameters

int

$a_node_id

node id

Definition at line 364 of file class.ilTaxNodeAssignment.php.

References $ilDB, getComponentId(), getItemType(), and getObjectId().

        {
                global $ilDB;

                $ilDB->manipulate("DELETE FROM tax_node_assignment WHERE ".
                        " node_id = ".$ilDB->quote($a_node_id, "integer").
                        " AND component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text")
                );
        }

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static ilTaxNodeAssignment::findObjectsByNode (   $a_tax_id, array  $a_node_ids,   $a_item_type  )

static

Find object which have assigned nodes.

Parameters

int	$a_item_type
int	$a_tax_id
array	$a_node_ids

Returns

array

Definition at line 431 of file class.ilTaxNodeAssignment.php.

References $ilDB, $res, and $row.

Referenced by ilTaxonomyClassificationProvider\getFilteredObjects().

        {
                global $ilDB;
                
                $res = array();
        
                $set = $ilDB->query("SELECT * FROM tax_node_assignment".
                        " WHERE ".$ilDB->in("node_id", $a_node_ids, "", "integer").
                        " AND tax_id = ".$ilDB->quote($a_tax_id, "integer").
                        " AND item_type = ".$ilDB->quote($a_item_type, "text").
                        " ORDER BY order_nr ASC"
                        );
                while($row = $ilDB->fetchAssoc($set))
                {
                        $res[] = $row["obj_id"];
                }
                
                return $res;
        }

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ilTaxNodeAssignment::fixOrderNr

(

$a_node_id

)

Fix Order Nr.

Definition at line 393 of file class.ilTaxNodeAssignment.php.

References $ilDB, getComponentId(), getItemType(), getObjectId(), and getTaxonomyId().

        {
                global $ilDB;

                $set = $ilDB->query("SELECT * FROM tax_node_assignment ".
                        " WHERE component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND node_id = ".$ilDB->quote($a_node_id, "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer").
                        " ORDER BY order_nr ASC"
                );
                $cnt = 10;
                while ($rec = $ilDB->fetchAssoc($set))
                {
                        $ilDB->manipulate("UPDATE tax_node_assignment SET ".
                                " order_nr = ".$ilDB->quote($cnt, "integer").
                                " WHERE component = ".$ilDB->quote($this->getComponentId(), "text").
                                " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                                " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                                " AND node_id = ".$ilDB->quote($a_node_id, "integer").
                                " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer").
                                " AND item_id = ".$ilDB->quote($rec["item_id"], "integer")
                                );
                        $cnt+= 10;
                }
        }

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ilTaxNodeAssignment::getAssignmentsOfItem (   $a_item_id )

final

Get assignments for item.

Parameters

int

$a_item_id

item id

Returns

array array of tax node assignments arrays

Definition at line 178 of file class.ilTaxNodeAssignment.php.

References $ilDB, getObjectId(), and getTaxonomyId().

Referenced by ilGlossaryTermGUI\getEditTermForm().

        {
                global $ilDB;

                $set = $ilDB->query("SELECT * FROM tax_node_assignment".
                        " WHERE component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND item_id = ".$ilDB->quote($a_item_id, "integer").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer")
                        );
                $ass = array();
                while ($rec  = $ilDB->fetchAssoc($set))
                {
                        $ass[] = $rec;
                }
                return $ass;
        }

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ilTaxNodeAssignment::getAssignmentsOfNode (   $a_node_id )

final

Get assignments of node.

Parameters

int

$a_node_id

node id

Returns

array array of tax node assignments arrays

Definition at line 137 of file class.ilTaxNodeAssignment.php.

References $ilDB, getComponentId(), getItemType(), getObjectId(), and getTaxonomyId().

        {
                global $ilDB;

                if (is_array($a_node_id))
                {
                        $set = $ilDB->query("SELECT * FROM tax_node_assignment ".
                                " WHERE ".$ilDB->in("node_id", $a_node_id, false, "integer").
                                " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer").
                                " AND component = ".$ilDB->quote($this->getComponentId(), "text").
                                " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                                " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                                " ORDER BY order_nr ASC"
                                );
                }
                else
                {
                        $set = $ilDB->query("SELECT * FROM tax_node_assignment ".
                                " WHERE node_id = ".$ilDB->quote($a_node_id, "integer").
                                " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer").
                                " AND component = ".$ilDB->quote($this->getComponentId(), "text").
                                " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                                " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                                " ORDER BY order_nr ASC"
                                );
                }
                $ass = array();
                while ($rec  = $ilDB->fetchAssoc($set))
                {
                        $ass[] = $rec;
                }
                
                return $ass;
        }

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ilTaxNodeAssignment::getComponentId

(

)

Get component id.

Returns

string component id

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

Referenced by addAssignment(), deleteAssignmentsOfNode(), fixOrderNr(), getAssignmentsOfNode(), and setOrderNr().

        {
                return $this->component_id;
        }

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ilTaxNodeAssignment::getItemType

(

)

Get item type.

Returns

string item type

Definition at line 86 of file class.ilTaxNodeAssignment.php.

Referenced by addAssignment(), deleteAssignmentsOfNode(), fixOrderNr(), getAssignmentsOfNode(), and setOrderNr().

        {
                return $this->item_type;
        }

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ilTaxNodeAssignment::getMaxOrderNr

(

$a_node_id

)

Get maximum order number.

Parameters

@return

Definition at line 303 of file class.ilTaxNodeAssignment.php.

References $ilDB, and getTaxonomyId().

Referenced by addAssignment().

        {
                global $ilDB;
                
                $set = $ilDB->query("SELECT max(order_nr) mnr FROM tax_node_assignment ".
                        " WHERE component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND node_id = ".$ilDB->quote($a_node_id, "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer")
                        );
                $rec = $ilDB->fetchAssoc($set);
                
                return (int) $rec["mnr"];
        }

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ilTaxNodeAssignment::getObjectId

(

)

Get object id.

Returns

int object id

Definition at line 126 of file class.ilTaxNodeAssignment.php.

Referenced by addAssignment(), deleteAssignmentsOfNode(), fixOrderNr(), getAssignmentsOfItem(), getAssignmentsOfNode(), and setOrderNr().

        {
                return $this->obj_id;
        }

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ilTaxNodeAssignment::getTaxonomyId

(

)

Get taxonomy id.

Returns

int taxonomy id

Definition at line 106 of file class.ilTaxNodeAssignment.php.

Referenced by addAssignment(), deleteAssignment(), deleteAssignmentsOfItem(), fixOrderNr(), getAssignmentsOfItem(), getAssignmentsOfNode(), getMaxOrderNr(), and setOrderNr().

        {
                return $this->taxonomy_id;
        }

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ilTaxNodeAssignment::setComponentId (   $a_val )

protected

Set component id.

Parameters

string

$a_val

component id

Definition at line 56 of file class.ilTaxNodeAssignment.php.

Referenced by __construct().

        {
                $this->component_id = $a_val;
        }

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ilTaxNodeAssignment::setItemType (   $a_val )

protected

Set item type.

Parameters

string

$a_val

item type

Definition at line 76 of file class.ilTaxNodeAssignment.php.

Referenced by __construct().

        {
                $this->item_type = $a_val;
        }

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ilTaxNodeAssignment::setObjectId

(

$a_val

)

Set object id.

Parameters

int

$a_val

object id

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

Referenced by __construct().

        {
                $this->obj_id = $a_val;
        }

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ilTaxNodeAssignment::setOrderNr	(		$a_node_id,
			$a_item_id,
			$a_order_nr
	)

Set order nr.

Parameters

@return

Definition at line 325 of file class.ilTaxNodeAssignment.php.

References $ilDB, getComponentId(), getItemType(), getObjectId(), and getTaxonomyId().

        {
                global $ilDB;
                
                $ilDB->manipulate("UPDATE tax_node_assignment SET ".
                        " order_nr = ".$ilDB->quote($a_order_nr, "integer").
                        " WHERE component = ".$ilDB->quote($this->getComponentId(), "text").
                        " AND item_type = ".$ilDB->quote($this->getItemType(), "text").
                        " AND obj_id = ".$ilDB->quote($this->getObjectId(), "integer").
                        " AND node_id = ".$ilDB->quote($a_node_id, "integer").
                        " AND item_id = ".$ilDB->quote($a_item_id, "integer").
                        " AND tax_id = ".$ilDB->quote($this->getTaxonomyId(), "integer")
                        );
        }

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ilTaxNodeAssignment::setTaxonomyId (   $a_val )

protected

Set taxonomy id.

Parameters

int

$a_val

taxonomy id

Definition at line 96 of file class.ilTaxNodeAssignment.php.

Referenced by __construct().

        {
                $this->taxonomy_id = $a_val;
        }

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---

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

• Services/Taxonomy/classes/class.ilTaxNodeAssignment.php