File Source for linkfactory.class.php

<?php
// To add your new link type here:
// - define a unique type id
// - add include
// - change create() and get_all_types()
// Please do not change existing values, they are used in the database !
define('LINK_EXERCISE',1);
define('LINK_DROPBOX',2);
define('LINK_STUDENTPUBLICATION',3);
define('LINK_LEARNPATH',4);
include_once('abstractlink.class.php');
include_once('exerciselink.class.php');
include_once('evallink.class.php');
include_once('dropboxlink.class.php');
include_once('studentpublicationlink.class.php');
include_once('learnpathlink.class.php');
/**
* Factory for link objects
* @author Bert Steppé
* @package dokeos.gradebook
*/
class LinkFactory
{
/**
* Retrieve links and return them as an array of extensions of AbstractLink.
* @param $id link id
* @param $type link type
* @param $ref_id reference id
* @param $user_id user id (link owner)
* @param $course_code course code
* @param $category_id parent category
* @param $visible visible
*/
public function load ($id = null, $type = null, $ref_id = null, $user_id = null, $course_code = null, $category_id = null, $visible = null)
{
return AbstractLink::load($id, $type, $ref_id, $user_id, $course_code, $category_id, $visible);
}
/**
* Get the link object referring to an evaluation
*/
public function get_evaluation_link ($eval_id)
{
$links = AbstractLink :: load(null, null, $eval_id);
foreach ($links as $link)
{
if (is_a($link, 'EvalLink'))
return $link;
}
return null;
}
/**
* Find links by name
* @param string $name_mask search string
* @return array link objects matching the search criterium
*/
public function find_links ($name_mask,$selectcat)
{
return AbstractLink::find_links($name_mask,$selectcat);
}
/**
* Static method to create specific link objects
* @param $type link type
*/
public function create ($type)
{
if ($type == LINK_EXERCISE ) return new ExerciseLink();
elseif ($type == LINK_DROPBOX ) return new DropboxLink();
elseif ($type == LINK_STUDENTPUBLICATION ) return new StudentPublicationLink();
elseif ($type == LINK_LEARNPATH ) return new LearnpathLink();
else return null;
}
/**
* Return an array of all known link types
*/
public function get_all_types ()
{
return array (LINK_EXERCISE,
LINK_DROPBOX,
LINK_STUDENTPUBLICATION,
LINK_LEARNPATH,
);
}
}
?>

Source for file linkfactory.class.php