Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/newscorm/aiccItem.class.php

139 lines
6.2 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Class aiccItem
* This class handles the elements from an AICC Descriptor file.
* Container for the aiccItem class that deals with AICC Assignable Units (AUs)
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org>
* @license GNU/GPL
* @package chamilo.learnpath
*/
class aiccItem extends learnpathItem
{
public $identifier = ''; // AICC AU's system_id
public $identifierref = '';
public $parameters = ''; // AICC AU's web_launch
public $title = ''; // no AICC equivalent
public $sub_items = array(); // AICC elements (des)
//public $prerequisites = ''; // defined in learnpathItem.class.php
//public $max_score = ''; // defined in learnpathItem
//public $path = ''; // defined in learnpathItem
public $maxtimeallowed = '00:00:00'; // AICC AU's max_time_allowed
public $timelimitaction = ''; // AICC AU's time_limit_action
public $masteryscore = ''; // AICC AU's mastery_score
public $core_vendor = ''; // AICC AU's core_vendor
public $system_vendor = ''; // AICC AU's system_vendor
public $au_type = ''; // AICC AU's type
public $command_line = ''; // AICC AU's command_line
public $debug = 0;
/**
* Class constructor. Depending of the type of construction called ('db' or 'manifest'), will create a scormItem
* object from database records or from the array given as second parameter
* @param string Type of construction needed ('db' or 'config', default = 'config')
* @param mixed Depending on the type given, DB id for the lp_item or parameters array
*/
public function aiccItem($type = 'config', $params = array(), $course_id = null)
{
if (isset($params)) {
switch ($type) {
case 'db':
parent::__construct($params, api_get_user_id(), $course_id);
$this->aicc_contact = false;
//TODO: Implement this way of metadata object creation.
return false;
case 'config': // Do the same as the default.
default:
//if($first_item->type == XML_ELEMENT_NODE) this is already check prior to the call to this function
foreach ($params as $a => $value) {
switch ($a) {
case 'system_id':
$this->identifier = Database::escape_string(strtolower($value));
break;
case 'type':
$this->au_type = Database::escape_string($value);
break;
case 'command_line':
$this->command_line = Database::escape_string($value);
break;
case 'max_time_allowed':
$this->maxtimeallowed = Database::escape_string($value);
break;
case 'time_limit_action':
$this->timelimitaction = Database::escape_string($value);
break;
case 'max_score':
$this->max_score = Database::escape_string($value);
break;
case 'core_vendor':
$this->core_vendor = Database::escape_string($value);
break;
case 'system_vendor':
$this->system_vendor = Database::escape_string($value);
break;
case 'file_name':
$this->path = Database::escape_string($value);
break;
case 'mastery_score':
$this->masteryscore = Database::escape_string($value);
break;
case 'web_launch':
$this->parameters = Database::escape_string($value);
break;
}
}
return true;
}
}
return false;
}
/**
* Builds a flat list with the current item and calls itself recursively on all children
* @param array Reference to the array to complete with the current item
* @param integer Optional absolute order (pointer) of the item in this learning path
* @param integer Optional relative order of the item at this level
* @param integer Optional level. If not given, assumes it's level 0
*/
function get_flat_list(&$list, &$abs_order, $rel_order = 1, $level = 0)
{
$list[] = array(
'au_type' => $this->au_type,
'command_line' => $this->command_line,
'core_vendor' => $this->core_vendor,
'identifier' => $this->identifier,
'identifierref' => $this->identifierref,
'masteryscore' => $this->masteryscore,
'maxtimeallowed' => $this->maxtimeallowed,
'level' => $level,
'parameters' => $this->parameters,
'prerequisites' => (!empty($this->prereq_string) ? $this->prereq_string : ''),
'timelimitaction' => $this->timelimitaction,
);
$abs_order++;
$i = 1;
foreach ($this->sub_items as $id => $dummy) {
$oSubitem =& $this->sub_items[$id];
$oSubitem->get_flat_list($list, $abs_order, $i, $level + 1);
$i++;
}
}
/**
* Save function. Uses the parent save function and adds a layer for AICC.
* @param boolean Save from URL params (1) or from object attributes (0)
*/
function save($from_outside = true, $prereqs_complete = false)
{
parent::save($from_outside, $prereqs_complete = false);
// Under certain conditions, the scorm_contact should not be set, because no scorm signal was sent.
$this->aicc_contact = true;
if (!$this->aicc_contact) {
//error_log('New LP - was expecting SCORM message but none received', 0);
}
}
}