ilSCORMTree Class Reference

Inheritance diagram for ilSCORMTree:

Collaboration diagram for ilSCORMTree:

Public Member Functions
	ilSCORMTree ($a_id=0)
	Constructor.
	getChilds ($a_node_id, $a_order="", $a_direction="ASC")
	get child nodes of given node public

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Detailed Description

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

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Member Function Documentation

ilSCORMTree::getChilds	(	$	a_node_id,
		$	a_order = "",
		$	a_direction = "ASC"
	)

get child nodes of given node public

Parameters:

	integer	node_id
	string	sort order of returned childs, optional (possible values: 'title','desc','last_update' or 'type')
	string	sort direction, optional (possible values: 'DESC' or 'ASC'; defalut is 'ASC')

Returns:

array with node data of all childs or empty array

Reimplemented from ilTree.

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

References $count, $q, $row, ilTree::buildJoin(), and ilTree::fetchNodeData().

        {
                if (!isset($a_node_id))
                {
                        $message = get_class($this)."::getChilds(): No node_id given!";
                        $this->ilErr->raiseError($message,$this->ilErr->WARNING);
                }

                // init childs
                $childs = array();

                // number of childs
                $count = 0;

                // init order_clause
                $order_clause = "";

                // set order_clause if sort order parameter is given
                if (!empty($a_order))
                {
                        $order_clause = "ORDER BY ".$a_order." ".$a_direction;
                }
                else
                {
                        $order_clause = "ORDER BY ".$this->table_tree.".lft";
                }

        //666
                $q = "SELECT * FROM ".$this->table_tree." ".
                         $this->buildJoin().
                         "WHERE parent = '".$a_node_id."' ".
                         "AND ".$this->table_tree.".".$this->tree_pk." = '".$this->tree_id."' ".                         
                         $order_clause;
        
                $r = $this->ilDB->query($q);

                $count = $r->numRows();
                

                if ($count > 0)
                {
                        while ($row = $r->fetchRow(DB_FETCHMODE_ASSOC))
                        {
                                $childs[] = $this->fetchNodeData($row);
                        }

                        // mark the last child node (important for display)
                        $childs[$count - 1]["last"] = true;

                        return $childs;
                }
                else
                {
                        return $childs;
                }
        }

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ilSCORMTree::ilSCORMTree

(

$

a_id = 0

)

Constructor.

Parameters:

int

$a_id tree id (= SCORM Learning Module Object ID) public

Definition at line 44 of file class.ilSCORMTree.php.

References ilTree::ilTree(), ilTree::setTableNames(), and ilTree::setTreeTablePK().

        {
                parent::ilTree($a_id);
                $this->setTableNames('scorm_tree','scorm_object');
                $this->setTreeTablePK('slm_id');
        }

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

• content/classes/SCORM/class.ilSCORMTree.php