Class ilObjOrgUnitTree Implements a singleton pattern for caching. More...

Collaboration diagram for ilObjOrgUnitTree:

Public Member Functions
	getEmployees ($ref_id, $recursive=false)
	getSuperiors ($ref_id, $recursive=false)
	getAllChildren ($ref_id)
	getOrgusWhereUserHasPermissionForOperation ($operation)
	If you want to have all orgunits where the current user has the write permission: use this with the parameter "write".
	getOrgusWhereUserHasPermissionForOperationId ($operation_id)
	If you want to have all orgunits where the current user has the write permission: use this with the parameter 3 (3 is the "write" permission as in rbac_operations).
	getAllOrgunitsOnLevelX ($level)
	getEmployeesUnderUser ($user_id, $recursive=true)
	getSuperiorsOfUser ($user_id, $recursive=true)
	getLevelXOfUser ($user_id, $level)
	for additional info see the other getLevelX method.
	getOrgUnitOfUser ($user_id, $ref_id=0)
	getOrgUnitOfUser
	getTitles ($org_refs)
	getEmployeeRoles ()
	getSuperiorRoles ()
	flushCache ()
	getLevelXOfTreenode ($orgu_ref, $level)
	Specify eg.
	getParent ($orgu_ref)

Static Public Member Functions
static	_getInstance ()
	singleton access.

Private Member Functions
	__construct ()
	making the construct private
	loadStaff ($title, $ref_id)
	loadStaffRecursive ($title, $ref_id)
	loadArrayOfStaff ($title, $ref_ids)
	getChildren ($ref_id)
	loadChildren ($ref_id)
	loadRoles ($role)
	loadRolesQuery ($role)
	getRefIdFromRoleTitle ($role_title)

Private Attributes
	$roles
	$role_to_orgu
	$staff
	$tree_childs
	$ctrl
	$parent
	$db

Static Private Attributes
static	$instance

Detailed Description

Class ilObjOrgUnitTree Implements a singleton pattern for caching.

Author: : Oskar Truffer ot@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch; : Martin Studer ms@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

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

Constructor & Destructor Documentation

ilObjOrgUnitTree::__construct ( )

private

making the construct private

Definition at line 38 of file class.ilObjOrgUnitTree.php.

References $ilCtrl.

                                      {
                global $ilCtrl, $ilDB, $tree;
                $this->ctrl = $ilCtrl;
                $this->db = $ilDB;
                $this->tree = $tree;
                $this->roles = array();
                $this->staff = array();
        }

Member Function Documentation

static ilObjOrgUnitTree::_getInstance ( )

static

singleton access.

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

References $instance.

Referenced by ilObjOrgUnitAccess\_checkAccessToUserLearningProgress(), ilOrgUnitStaffTableGUI\fillRow(), ilOrgUnitStaffTableGUI\parseData(), and ilOrgUnitStaffTableGUI\setRowForUser().

                                             {
                if(self::$instance == null)
                        self::$instance = new ilObjOrgUnitTree();
                return self::$instance;
        }

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ilObjOrgUnitTree::flushCache ( )

Definition at line 365 of file class.ilObjOrgUnitTree.php.

                                    {
                $this->roles = null;
        }

ilObjOrgUnitTree::getAllChildren ( $ref_id )

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

References $ref_id, and getChildren().

Referenced by getOrgUnitOfUser(), and loadStaffRecursive().

                                               {
                $open = array($ref_id);
                $closed = array();
                while(count($open)){
                        $ref = array_pop($open);
                        $closed[] = $ref;
                        foreach($this->getChildren($ref) as $child)
                                if(!in_array($child, $open) && ! in_array($child, $closed))
                                        $open[] = $child;
                }
                return $closed;
        }

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ilObjOrgUnitTree::getAllOrgunitsOnLevelX ( $level )

Definition at line 213 of file class.ilObjOrgUnitTree.php.

References getChildren(), and ilObjOrgUnit\getRootOrgRefId().

                                                      {
                $levels = array(0 => array(ilObjOrgUnit::getRootOrgRefId()));
                $current_level = 0;
                while($current_level < $level){
                        $new_level = array();
                        foreach($levels[$current_level] as $orgu_ref)
                                $new_level = array_merge($this->getChildren($orgu_ref), $new_level);
                        $new_level = array_unique($new_level);
                        $levels[$current_level+1] = $new_level;
                        $current_level++;
                }
                return $levels[$level];
        }

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ilObjOrgUnitTree::getChildren ( $ref_id )

private

Parameters

$ref_id

Returns: int[]

Definition at line 197 of file class.ilObjOrgUnitTree.php.

References $ref_id, and loadChildren().

Referenced by getAllChildren(), and getAllOrgunitsOnLevelX().

                                             {
                $this->loadChildren($ref_id);
                return $this->tree_childs[$ref_id];
        }

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ilObjOrgUnitTree::getEmployeeRoles ( )

Returns: int[] returns an array of role_ids. orgu_ref => role_id

Definition at line 349 of file class.ilObjOrgUnitTree.php.

References loadRoles().

                                          {
                $this->loadRoles("employee");
                return $this->roles["employee"];
        }

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ilObjOrgUnitTree::getEmployees	(	$ref_id,
		$recursive = `false`
	)

Parameters

$ref_id	int the reference id of the organisational unit.
$recursive	bool if true you get the ids of the subsequent orgunits employees too

Returns: int[] array of user ids.

Definition at line 59 of file class.ilObjOrgUnitTree.php.

References $ref_id, loadStaff(), and loadStaffRecursive().

Referenced by getEmployeesUnderUser().

                                                                 {
                return array_unique(($recursive?$this->loadStaffRecursive("employee",$ref_id):$this->loadStaff("employee", $ref_id)));
        }

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ilObjOrgUnitTree::getEmployeesUnderUser	(	$user_id,
		$recursive = `true`
	)

Parameters

$user_id	int
$recursive	bool if this is true subsequent orgunits of this users superior role get searched as well.

Returns: int[] returns an array of user_ids of the users which have an employee role in an orgunit of which this user's id has a superior role.

Definition at line 232 of file class.ilObjOrgUnitTree.php.

References $res, and getEmployees().

                                                                          {
                //querry for all orgu where user_id is superior.
                $q = "SELECT orgu.obj_id, refr.ref_id FROM object_data orgu
                INNER JOIN object_reference refr ON refr.obj_id = orgu.obj_id
                                INNER JOIN object_data roles ON roles.title LIKE CONCAT('il_orgu_superior_',refr.ref_id)
                                INNER JOIN rbac_ua rbac ON rbac.usr_id = ".$this->db->quote($user_id, "integer")." AND roles.obj_id = rbac.rol_id
                                WHERE orgu.type = 'orgu'";
                $set = $this->db->query($q);
                $orgu_ref_ids = array();
                while($res = $this->db->fetchAssoc($set)){
                        $orgu_ref_ids[] = $res['ref_id'];
                }
                $employees = array();
                foreach($orgu_ref_ids as $orgu_ref_id){
                        $employees = array_merge($employees, $this->getEmployees($orgu_ref_id, $recursive));
                }
                return $employees;
        }

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ilObjOrgUnitTree::getLevelXOfTreenode	(	$orgu_ref,
		$level
	)

Specify eg.

level 1 and it will return on which orgunit on the first level after the root node the specified orgu_ref is a subunit of. eg: 0

- 1 2
3 4 5
6

(6, 1) = 1; (4, 1) = 2; (6, 2) = 3;

Parameters

$orgu_ref
$level

Exceptions

Exception in case there's a thread of an infinite loop or if you try to fetch the third level but there are only two (e.g. you want to fetch lvl 1 but give the root node as reference).

Returns: int|bool ref_id of the orgu or false if not found.

Definition at line 402 of file class.ilObjOrgUnitTree.php.

References getParent(), and ilObjOrgUnit\getRootOrgRefId().

Referenced by getLevelXOfUser().

                                                              {
                $line = array($orgu_ref);
                $current_ref = $orgu_ref;
                while($current_ref != ilObjOrgUnit::getRootOrgRefId()){
                        $current_ref = $this->getParent($current_ref);
                        if($current_ref)
                                $line[] = $current_ref;
                        else
                                break;
                        if(count($line) > 100)
                                throw new Exception("There's either a non valid call of the getLevelXOfTreenode in ilObjOrgUnitTree or your nesting of orgunits is higher than 100 units, which isn't encouraged");
                }
                $line = array_reverse($line);
                if(count($line) > $level)
                        return $line[$level];
                else
                        throw new Exception("you want to fetch level ".$level." but the line to the length of the line is only ".count($line). ". The line of the given org unit is: ".print_r($line , true));
        }

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ilObjOrgUnitTree::getLevelXOfUser	(	$user_id,
		$level
	)

for additional info see the other getLevelX method.

Parameters

$user_id
$level

Returns: int[]

Definition at line 284 of file class.ilObjOrgUnitTree.php.

References $res, and getLevelXOfTreenode().

                                                          {
                $q = "SELECT orgu.obj_id, refr.ref_id FROM object_data orgu
                INNER JOIN object_reference refr ON refr.obj_id = orgu.obj_id
                                INNER JOIN object_data roles ON roles.title LIKE CONCAT('il_orgu_superior_',refr.ref_id) OR roles.title LIKE CONCAT('il_orgu_employee_',refr.ref_id)
                                INNER JOIN rbac_ua rbac ON rbac.usr_id = " . $this->db->quote($user_id, "integer") . " AND roles.obj_id = rbac.rol_id
                                WHERE orgu.type = 'orgu' AND refr.deleted IS NULL";
                $set = $this->db->query($q);
                $orgu_ref_ids = array();
                while ($res = $this->db->fetchAssoc($set)) {
                        $orgu_ref_ids[] = $res['ref_id'];
                }
                $orgus_on_level_x = array();
                foreach($orgu_ref_ids as $orgu_ref_id){
                        try{
                                $orgus_on_level_x[] = $this->getLevelXOfTreenode($orgu_ref_id, $level);
                        }catch(Exception $e){
                                // this means the user is assigned to a orgu above the given level. just dont add it to the list.
                        }
                }
                return array_unique($orgus_on_level_x);
        }

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ilObjOrgUnitTree::getOrgUnitOfUser	(	$user_id,
		$ref_id = `0`
	)

getOrgUnitOfUser

Parameters

	$user_id
int	$ref_id	if given, only OrgUnits under this ID are returned (including $ref_id)

Returns: int[]

Definition at line 315 of file class.ilObjOrgUnitTree.php.

References $ref_id, $res, and getAllChildren().

                                                           {
        $q = "SELECT orgu.obj_id, refr.ref_id FROM object_data orgu
                INNER JOIN object_reference refr ON refr.obj_id = orgu.obj_id
                                INNER JOIN object_data roles ON roles.title LIKE CONCAT('il_orgu_superior_',refr.ref_id) OR roles.title LIKE CONCAT('il_orgu_employee_',refr.ref_id)
                                INNER JOIN rbac_ua rbac ON rbac.usr_id = ".$this->db->quote($user_id, "integer")." AND roles.obj_id = rbac.rol_id
                                WHERE orgu.type = 'orgu' AND refr.deleted IS NULL";
        $set = $this->db->query($q);
        $orgu_ref_ids = array();
        while($res = $this->db->fetchAssoc($set)){
            $orgu_ref_ids[] = $res['ref_id'];
        }
        $orgu_ref_ids = array_unique($orgu_ref_ids);
        if ($ref_id) {
            $childernOrgIds = $this->getAllChildren($ref_id);
            foreach ($orgu_ref_ids as $k => $refId) {
                if (!in_array($refId, $childernOrgIds)) {
                    unset($orgu_ref_ids[$k]);
                }
            }
        }
        return $orgu_ref_ids;
    }

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ilObjOrgUnitTree::getOrgusWhereUserHasPermissionForOperation ( $operation )

If you want to have all orgunits where the current user has the write permission: use this with the parameter "write".

Parameters

$operation string

Returns: int[] ids of the org units.

Definition at line 134 of file class.ilObjOrgUnitTree.php.

References $ilUser, and $res.

                                                                              {
                global $ilUser;
                /*$q = "SELECT object_data.obj_id, object_reference.ref_id, object_data.title, object_data.type, rbac_pa.ops_id, rbac_operations.ops_id as op_id FROM object_data
                INNER JOIN rbac_operations ON rbac_operations.operation = ".$this->db->quote($operation, "text")."
                INNER JOIN rbac_ua ON rbac_ua.usr_id = ".$this->db->quote($ilUser->getId(), "integer")."
                INNER JOIN rbac_pa ON rbac_pa.rol_id = rbac_ua.rol_id AND rbac_pa.ops_id LIKE CONCAT('%', rbac_operations.ops_id, '%')
                INNER JOIN rbac_fa ON rbac_fa.rol_id = rbac_ua.rol_id
                INNER JOIN tree ON tree.child = rbac_fa.parent
                INNER JOIN object_reference ON object_reference.ref_id = tree.parent
                WHERE object_data.obj_id = object_reference.obj_id AND object_data.type = 'orgu'";*/
        $q = "SELECT object_data.obj_id, object_reference.ref_id, object_data.title, object_data.type, rbac_pa.ops_id, rbac_operations.ops_id as op_id FROM object_data
                INNER JOIN rbac_operations ON rbac_operations.operation = ".$this->db->quote($operation, "text")."
                INNER JOIN rbac_ua ON rbac_ua.usr_id = ".$this->db->quote($ilUser->getId(), "integer")."
                INNER JOIN rbac_pa ON rbac_pa.rol_id = rbac_ua.rol_id AND rbac_pa.ops_id LIKE CONCAT('%', rbac_operations.ops_id, '%')
                INNER JOIN object_reference ON object_reference.ref_id = rbac_pa.ref_id
                WHERE object_data.obj_id = object_reference.obj_id AND object_data.type = 'orgu'";
                $set = $this->db->query($q);
                $orgus = array();
                while($res = $this->db->fetchAssoc($set)){
                        //this is needed as the table rbac_operations is not in the first normal form, thus this needs some additional checkings.
                        $perm_check = unserialize($res['ops_id']);
                        if(!in_array($res["op_id"], $perm_check))
                                continue;
                        $orgus[] = $res["ref_id"];
                }
                return $orgus;
        }

ilObjOrgUnitTree::getOrgusWhereUserHasPermissionForOperationId ( $operation_id )

If you want to have all orgunits where the current user has the write permission: use this with the parameter 3 (3 is the "write" permission as in rbac_operations).

Parameters

$operation_id

Returns: int[] ids of the org units.

Definition at line 170 of file class.ilObjOrgUnitTree.php.

References $ilUser, and $res.

                                                                                   {
                global $ilUser;
                $q = "SELECT object_data.obj_id, object_data.title, object_data.type, rbac_pa.ops_id FROM object_data
                INNER JOIN rbac_ua ON rbac_ua.usr_id = ".$this->db->quote($ilUser->getId(), "integer")."
                INNER JOIN rbac_pa ON rbac_pa.rol_id = rbac_ua.rol_id AND rbac_pa.ops_id LIKE CONCAT('%', ".$this->db->quote($operation_id, "integer").", '%')
                INNER JOIN rbac_fa ON rbac_fa.rol_id = rbac_ua.rol_id
                INNER JOIN tree ON tree.child = rbac_fa.parent
                INNER JOIN object_reference ON object_reference.ref_id = tree.parent
                WHERE object_data.obj_id = object_reference.obj_id AND object_data.type = 'orgu'";
                $set = $this->db->query($q);
                $orgus = array();
                while($res = $this->db->fetchAssoc($set)){
                        //this is needed as the table rbac_operations is not in the first normal form, thus this needs some additional checkings.
                        $perm_check = unserialize($res['ops_id']);
                        if(!in_array($res["ops_id"], $perm_check))
                                continue;
                        $orgus[] = $res["obj_id"];
                }
                return $orgus;
        }

ilObjOrgUnitTree::getParent ( $orgu_ref )

Definition at line 421 of file class.ilObjOrgUnitTree.php.

Referenced by getLevelXOfTreenode().

                                            {
                if(!$this->parent[$orgu_ref]){
                        $this->parent[$orgu_ref] = $this->tree->getParentId($orgu_ref);
                }
                return $this->parent[$orgu_ref];
        }

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ilObjOrgUnitTree::getRefIdFromRoleTitle ( $role_title )

private

Definition at line 380 of file class.ilObjOrgUnitTree.php.

Referenced by loadRolesQuery().

                                                           {
                $array = explode("_", $role_title);
                return $array[count($array) - 1];
        }

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ilObjOrgUnitTree::getSuperiorRoles ( )

Definition at line 354 of file class.ilObjOrgUnitTree.php.

References loadRoles().

                                          {
                $this->loadRoles("superior");
                return $this->roles["superior"];
        }

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ilObjOrgUnitTree::getSuperiors	(	$ref_id,
		$recursive = `false`
	)

Definition at line 63 of file class.ilObjOrgUnitTree.php.

References $ref_id, loadStaff(), and loadStaffRecursive().

Referenced by getSuperiorsOfUser().

                                                                 {
                return array_unique(($recursive?$this->loadStaffRecursive("superior",$ref_id):$this->loadStaff("superior", $ref_id)));
        }

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ilObjOrgUnitTree::getSuperiorsOfUser	(	$user_id,
		$recursive = `true`
	)

Parameters

$user_id	int
$recursive	bool if this is true subsequent orgunits of this users superior role get searched as well.

Returns: int[] returns an array of user_ids of the users which have an employee role in an orgunit of which this user's id has a superior role.

Definition at line 256 of file class.ilObjOrgUnitTree.php.

References $res, and getSuperiors().

                                                                       {
                //querry for all orgu where user_id is superior.
                $q = "SELECT orgu.obj_id, refr.ref_id FROM object_data orgu
                INNER JOIN object_reference refr ON refr.obj_id = orgu.obj_id
                                INNER JOIN object_data roles ON roles.title LIKE CONCAT('il_orgu_employee_',refr.ref_id) OR roles.title LIKE CONCAT('il_orgu_superior_',refr.ref_id)
                                INNER JOIN rbac_ua rbac ON rbac.usr_id = ".$this->db->quote($user_id, "integer")." AND roles.obj_id = rbac.rol_id
                                WHERE orgu.type = 'orgu'";
                $set = $this->db->query($q);
                $orgu_ref_ids = array();
                while($res = $this->db->fetchAssoc($set)){
                        $orgu_ref_ids[] = $res['ref_id'];
                }
                $superiors = array();
                foreach($orgu_ref_ids as $orgu_ref_id){
                        $superiors = array_merge($superiors, $this->getSuperiors($orgu_ref_id, $recursive));
                }
                return $superiors;
        }

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ilObjOrgUnitTree::getTitles ( $org_refs )

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

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

                                            {
                $names = array();
                foreach($org_refs as $org_unit){
                        $names[$org_unit] = ilObject::_lookupTitle(ilObject::_lookupObjId($org_unit));
                }
                return $names;
        }

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ilObjOrgUnitTree::loadArrayOfStaff	(	$title,
		$ref_ids
	)

private

Parameters

$title	"employee" or "superior"
$ref_ids	int[] array of orgu object ref ids.

Returns: int[] user_ids

Definition at line 85 of file class.ilObjOrgUnitTree.php.

References $ref_id, $res, and loadRoles().

Referenced by loadStaff(), and loadStaffRecursive().

                                                           {
                $this->loadRoles($title);
                $all_refs = $ref_ids;
                //take away ref_ids that are already loaded.
                foreach($ref_ids as $id => $ref_id){
                        if(isset($this->staff[$title][$ref_id]))
                                unset($ref_ids[$id]);
                        else{
                                $this->staff[$title][$ref_id] = array();
                                $ref_ids[$id] = $this->roles[$title][$ref_id];
                        }
                }
                //if there are still refs that need to be loaded, then do so.
                if(count($ref_ids)){
                        $q = "SELECT usr_id, rol_id FROM rbac_ua WHERE ".$this->db->in("rol_id", $ref_ids, false, "integer");
                        $set = $this->db->query($q);
                        while($res = $this->db->fetchAssoc($set)){
                                $orgu_ref = $this->role_to_orgu[$title][$res["rol_id"]];
                                $this->staff[$title][$orgu_ref][] = $res["usr_id"];
                        }
                }
                //collect * users.
                $all_users = array();
                foreach($all_refs as $ref)
                        $all_users = array_merge($all_users, $this->staff[$title][$ref]);
                return $all_users;
        }

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ilObjOrgUnitTree::loadChildren ( $ref_id )

private

Definition at line 202 of file class.ilObjOrgUnitTree.php.

References $ref_id.

Referenced by getChildren().

                                              {
                if(!$this->tree_childs[$ref_id]){
                        $children = array();
                        foreach($this->tree->getChilds($ref_id) as $child){
                                if($child["type"] == "orgu")
                                        $children[] = $child["child"];
                        }
                        $this->tree_childs[$ref_id] = $children;
                };
        }

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ilObjOrgUnitTree::loadRoles ( $role )

private

Definition at line 359 of file class.ilObjOrgUnitTree.php.

References loadRolesQuery().

Referenced by getEmployeeRoles(), getSuperiorRoles(), and loadArrayOfStaff().

                                         {
                if($this->roles[$role] == null){
                        $this->loadRolesQuery($role);
                }
        }

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ilObjOrgUnitTree::loadRolesQuery ( $role )

private

Definition at line 369 of file class.ilObjOrgUnitTree.php.

References $res, and getRefIdFromRoleTitle().

Referenced by loadRoles().

                                              {
                $this->roles[$role] = array();
                $q = "SELECT obj_id, title FROM object_data WHERE type = 'role' AND title LIKE 'il_orgu_".$role."%'";
                $set = $this->db->query($q);
                while($res = $this->db->fetchAssoc($set)){
                        $orgu_ref = $this->getRefIdFromRoleTitle($res["title"]);
                        $this->roles[$role][$orgu_ref] = $res["obj_id"];
                        $this->role_to_orgu[$role][$res["obj_id"]] = $orgu_ref;
                }
        }

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ilObjOrgUnitTree::loadStaff	(	$title,
		$ref_id
	)

private

Parameters

$title	string "employee" or "superior"
$ref_id	int ref id of org unit.

Returns: int[] array of user_obj ids

Definition at line 72 of file class.ilObjOrgUnitTree.php.

References $ref_id, and loadArrayOfStaff().

Referenced by getEmployees(), and getSuperiors().

                                                   {
                return $this->loadArrayOfStaff($title, array($ref_id));
        }

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ilObjOrgUnitTree::loadStaffRecursive	(	$title,
		$ref_id
	)

private

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

References $ref_id, getAllChildren(), and loadArrayOfStaff().

Referenced by getEmployees(), and getSuperiors().

                                                            {
                return $this->loadArrayOfStaff($title, $this->getAllChildren($ref_id));
        }

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Field Documentation

ilObjOrgUnitTree::$ctrl

private

Definition at line 29 of file class.ilObjOrgUnitTree.php.

ilObjOrgUnitTree::$db

private

Definition at line 35 of file class.ilObjOrgUnitTree.php.

ilObjOrgUnitTree::$instance

staticprivate

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

Referenced by _getInstance().

ilObjOrgUnitTree::$parent

private

Definition at line 32 of file class.ilObjOrgUnitTree.php.

ilObjOrgUnitTree::$role_to_orgu

private

Definition at line 20 of file class.ilObjOrgUnitTree.php.

ilObjOrgUnitTree::$roles

private

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

ilObjOrgUnitTree::$staff

private

Definition at line 23 of file class.ilObjOrgUnitTree.php.

ilObjOrgUnitTree::$tree_childs

private

Definition at line 26 of file class.ilObjOrgUnitTree.php.

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

Modules/OrgUnit/classes/class.ilObjOrgUnitTree.php

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation