You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
791 lines
27 KiB
791 lines
27 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
|
|
/**
|
|
* API event handler functions for AICC / CMIv4 in API communication mode
|
|
*
|
|
* @author Denes Nagy <darkden@freemail.hu>
|
|
* @author Yannick Warnier <ywarnier@beeznest.org>
|
|
* @version v 1.0
|
|
* @access public
|
|
* @package chamilo.learnpath
|
|
* @license GNU/GPL
|
|
*/
|
|
|
|
/**
|
|
* This script is divided into three sections.
|
|
* The first section (below) is the initialisation part.
|
|
* The second section is the AICC object part
|
|
* The third section defines the event handlers for Chamilo's internal messaging
|
|
* and frames refresh
|
|
*
|
|
* This script implements the API messaging for AICC. The HACP messaging is
|
|
* made by another set of scripts.
|
|
*/
|
|
|
|
/* INIT SECTION */
|
|
|
|
// Flag to allow for anonymous user - needs to be set before global.inc.php.
|
|
$use_anonymous = true;
|
|
|
|
// Load common libraries using a compatibility script to bridge between 1.6 and 1.8.
|
|
require_once 'back_compat.inc.php';
|
|
// Load learning path libraries so we can use the objects to define the initial values of the API.
|
|
require_once 'learnpath.class.php';
|
|
require_once 'learnpathItem.class.php';
|
|
require_once 'aicc.class.php';
|
|
|
|
// Is this needed? This is probabaly done in the header file.
|
|
$file = $_SESSION['file'];
|
|
$oLP = unserialize($_SESSION['lpobject']);
|
|
$oItem = $oLP->items[$oLP->current];
|
|
if (!is_object($oItem)) {
|
|
error_log('New LP - scorm_api - Could not load oItem item', 0);
|
|
exit;
|
|
}
|
|
$autocomplete_when_80pct = 0;
|
|
|
|
/* JavaScript Functions */
|
|
|
|
?>var scorm_logs=<?php echo (empty($oLP->scorm_debug) ? '0' : '3'); ?>; //debug log level for SCORM. 0 = none, 1=light, 2=a lot, 3=all - displays logs in log frame
|
|
var lms_logs=0; //debug log level for LMS actions. 0=none, 1=light, 2=a lot, 3=all
|
|
//logit_lms('scormfunctions.php included',0);
|
|
|
|
function APIobject() {
|
|
this.LMSInitialize=LMSInitialize;
|
|
this.LMSGetValue=LMSGetValue;
|
|
this.LMSSetValue=LMSSetValue;
|
|
this.LMSCommit=LMSCommit;
|
|
this.LMSFinish=LMSFinish;
|
|
this.LMSGetLastError=LMSGetLastError;
|
|
this.LMSGetErrorString=LMSGetErrorString;
|
|
this.LMSGetDiagnostic=LMSGetDiagnostic;
|
|
}
|
|
|
|
// It is not sure that the scos use the above declarations.
|
|
|
|
API = new APIobject(); //for scorm 1.2
|
|
|
|
var G_NoError = 0;
|
|
var G_GeneralException = 101;
|
|
var G_ServerBusy = 102;
|
|
var G_InvalidArgumentError = 201;
|
|
var G_ElementCannotHaveChildren = 202;
|
|
var G_ElementIsNotAnArray = 203;
|
|
var G_NotInitialized = 301;
|
|
var G_NotImplementedError = 401;
|
|
var G_InvalidSetValue = 402;
|
|
var G_ElementIsReadOnly = 403;
|
|
var G_ElementIsWriteOnly = 404;
|
|
var G_IncorrectDataType = 405;
|
|
|
|
var G_LastError = G_NoError ;
|
|
|
|
var commit = false ;
|
|
|
|
// Strictly SCORM variables.
|
|
var score=<?php echo $oItem->get_score();?>;
|
|
var max=<?php echo $oItem->get_max();?>;
|
|
var min=<?php echo $oItem->get_min();?>;
|
|
var lesson_status='<?php echo $oItem->get_status();?>';
|
|
var session_time='<?php echo $oItem->get_scorm_time('js');?>';
|
|
var suspend_data = '<?php echo $oItem->get_suspend_data();?>';
|
|
var lesson_location = '<?php echo $oItem->get_lesson_location();?>';
|
|
var total_time = '<?php echo $oItem->get_scorm_time('js');?>';
|
|
|
|
// Chamilo internal variables.
|
|
var saved_lesson_status = 'not attempted';
|
|
var lms_lp_id = <?php echo $oLP->get_id();?>;
|
|
var lms_item_id = <?php echo $oItem->get_id();?>;
|
|
//var lms_new_item_id = 0; //temporary value (only there between a load_item() and a LMSInitialize())
|
|
var lms_been_synchronized = 0;
|
|
var lms_initialized = 0;
|
|
var lms_total_lessons = <?php echo $oLP->get_total_items_count(); ?>;
|
|
var lms_complete_lessons = <?php echo $oLP->get_complete_items_count();?>;
|
|
var lms_progress_bar_mode = '<?php echo $oLP->progress_bar_mode;?>';
|
|
if(lms_progress_bar_mode == ''){lms_progress_bar_mode='%';}
|
|
var lms_view_id = '<?php echo $oLP->get_view();?>';
|
|
if(lms_view_id == ''){ lms_view_id = 1;}
|
|
var lms_user_id = '<?php echo $_user['user_id'];?>';
|
|
var lms_next_item = '<?php echo $oLP->get_next_item_id();?>';
|
|
var lms_previous_item = '<?php echo $oLP->get_previous_item_id();?>';
|
|
var lms_lp_type = '<?php echo $oLP->get_type();?>';
|
|
var lms_item_type = '<?php echo $oItem->get_type();?>';
|
|
|
|
// Backup for old values.
|
|
var old_score = 0;
|
|
var old_max = 0;
|
|
var old_min = 0;
|
|
var old_lesson_status = '';
|
|
var old_session_time = '';
|
|
var old_suspend_data = '';
|
|
var lms_old_item_id = 0;
|
|
|
|
function LMSInitialize() { //this is the initialize function of all APIobjects
|
|
logit_scorm('LMSInitialise()',0);
|
|
lms_initialized=1;
|
|
return('true');
|
|
}
|
|
function LMSGetValue(param) {
|
|
//logit_scorm("LMSGetValue('"+param+"')",1);
|
|
var result='';
|
|
if(param=='cmi.core._children' || param=='cmi.core_children'){
|
|
result='entry, exit, lesson_status, student_id, student_name, lesson_location, total_time, credit, lesson_mode, score, session_time';
|
|
}else if(param == 'cmi.core.entry'){
|
|
result='';
|
|
}else if(param == 'cmi.core.exit'){
|
|
result='';
|
|
}else if(param == 'cmi.core.lesson_status'){
|
|
if(lesson_status != '') {
|
|
result=lesson_status;
|
|
}
|
|
else{
|
|
result='not attempted';
|
|
}
|
|
}else if(param == 'cmi.core.student_id'){
|
|
result='<?php echo $_user['user_id']; ?>';
|
|
}else if(param == 'cmi.core.student_name'){
|
|
<?php
|
|
$who = addslashes(api_get_person_name($_user['firstName'], $_user['lastName']));
|
|
echo "result='$who';";
|
|
?>
|
|
}else if(param == 'cmi.core.lesson_location'){
|
|
result=lesson_location;
|
|
}else if(param == 'cmi.core.total_time'){
|
|
result=total_time;
|
|
}else if(param == 'cmi.core.score._children'){
|
|
result='raw,min,max';
|
|
}else if(param == 'cmi.core.score.raw'){
|
|
result=score;
|
|
}else if(param == 'cmi.core.score.max'){
|
|
result=max;
|
|
}else if(param == 'cmi.core.score.min'){
|
|
result=min;
|
|
}else if(param == 'cmi.core.score'){
|
|
result=score;
|
|
}else if(param == 'cmi.core.credit'){
|
|
result='no-credit';
|
|
}else if(param == 'cmi.core.lesson_mode'){
|
|
result='normal';
|
|
}else if(param == 'cmi.suspend_data'){
|
|
result='<?php echo $oItem->get_suspend_data();?>';
|
|
}else if(param == 'cmi.launch_data'){
|
|
result='';
|
|
}else if(param == 'cmi.objectives._count'){
|
|
result='<?php echo $oItem->get_view_count();?>';
|
|
}
|
|
/*
|
|
// Switch not working??? WTF???
|
|
switch(param) {
|
|
case 'cmi.core._children' :
|
|
result='entry, exit, lesson_status, student_id, student_name, lesson_location, total_time, credit, lesson_mode, score, session_time';
|
|
break;
|
|
case 'cmi.core_children' :
|
|
result='entry, exit, lesson_status, student_id, student_name, lesson_location, total_time, credit, lesson_mode, score, session_time';
|
|
break;
|
|
case 'cmi.core.entry' :
|
|
result='';
|
|
break;
|
|
case 'cmi.core.exit' :
|
|
result='';
|
|
break;
|
|
case 'cmi.core.lesson_status' :
|
|
if(lesson_status != '') {
|
|
result=lesson_status;
|
|
}
|
|
else{
|
|
result='not attempted';
|
|
}
|
|
break;
|
|
case 'cmi.core.student_id' :
|
|
result='<?php echo $_user['user_id']; ?>';
|
|
break;
|
|
case 'cmi.core.student_name' :
|
|
<?php
|
|
$who = addslashes(api_get_person_name($_user['firstName'], $_user['lastName']));
|
|
echo "result='$who';";
|
|
?> break;
|
|
case 'cmi.core.lesson_location' :
|
|
result='';
|
|
break;
|
|
case 'cmi.core.total_time' :
|
|
result=total_time;
|
|
break;
|
|
case 'cmi.core.score._children' :
|
|
result='raw,min,max';
|
|
break;
|
|
case 'cmi.core.score.raw' :
|
|
result=score;
|
|
break;
|
|
case 'cmi.core.score.max' :
|
|
result=max;
|
|
break;
|
|
case 'cmi.core.score.min' :
|
|
result=min;
|
|
break;
|
|
case 'cmi.core.score' :
|
|
result=score;
|
|
break;
|
|
case 'cmi.core.credit' :
|
|
result='no-credit';
|
|
break;
|
|
case 'cmi.core.lesson_mode' :
|
|
result='normal';
|
|
break;
|
|
case 'cmi.suspend_data' :
|
|
result='<?php echo $oItem->get_suspend_data();?>';
|
|
break;
|
|
case 'cmi.launch_data' :
|
|
result='';
|
|
break;
|
|
case 'cmi.objectives._count':
|
|
result='<?php echo $oItem->get_view_count();?>';
|
|
break;
|
|
default :
|
|
result='';
|
|
break;
|
|
}
|
|
*/
|
|
logit_scorm("LMSGetValue('"+param+"') returned '"+result+"'",1);
|
|
return result;
|
|
}
|
|
function LMSSetValue(param, val) {
|
|
logit_scorm("LMSSetValue('"+param+"','"+val+"')",0);
|
|
switch(param) {
|
|
case 'cmi.core.score.raw' : score= val ; break;
|
|
case 'cmi.core.score.max' : max = val; break;
|
|
case 'cmi.core.score.min' : min = val; break;
|
|
case 'cmi.core.lesson_location' : lesson_location = val;break;
|
|
case 'cmi.core.lesson_status' :
|
|
saved_lesson_status = lesson_status;
|
|
lesson_status = val;
|
|
<?php if ($oLP->mode != 'fullscreen') { ?>
|
|
//var update = update_toc(lesson_status,lms_item_id);
|
|
<?php } ?>
|
|
break;
|
|
case 'cmi.completion_status' : lesson_status = val; break; //1.3
|
|
case 'cmi.core.session_time' : session_time = val; break;
|
|
case 'cmi.score.scaled' : score = val ; break; //1.3
|
|
case 'cmi.success_status' : success_status = val; break; //1.3
|
|
case 'cmi.suspend_data' : suspend_data = val; break;
|
|
}
|
|
//var update = update_toc();
|
|
//var update_progress = update_progress_bar();
|
|
<?php
|
|
if ($oLP->force_commit == 1) {
|
|
echo " var mycommit = LMSCommit('force');";
|
|
}
|
|
?>
|
|
return(true);
|
|
}
|
|
function savedata(origin) { //origin can be 'commit', 'finish' or 'terminate'
|
|
<?php if ($autocomplete_when_80pct) { ?>
|
|
if( ( lesson_status == 'incomplete') && (score >= (0.8*max) ) ){
|
|
lesson_status = 'completed';
|
|
}
|
|
<?php }?>
|
|
param = 'id='+lms_item_id+'&origin='+origin+'&score='+score+'&max='+max+'&min='+min+'&lesson_status='+lesson_status+'&time='+session_time+'&suspend_data='+suspend_data;
|
|
|
|
url="http://<?php
|
|
$self = api_get_self();
|
|
$url = $_SERVER['HTTP_HOST'].$self;
|
|
$url = substr($url, 0, -14); // 14 is the length of this file's name (/scorm_api.php).
|
|
echo $url;
|
|
?>/lp_controller.php?cidReq=<?php echo api_get_course_id();?>&action=save&lp_id=<?php echo $oLP->get_id();?>&" + param + "";
|
|
logit_lms('saving data (status='+lesson_status+')',1);
|
|
xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location);
|
|
//xajax_update_pgs();
|
|
//xajax_update_toc();
|
|
}
|
|
|
|
function LMSCommit(val) {
|
|
logit_scorm('LMSCommit()',0);
|
|
commit = true ;
|
|
savedata('commit');
|
|
return('true');
|
|
}
|
|
function LMSFinish(val) {
|
|
if ( !commit ) {
|
|
logit_scorm('LMSFinish() (no LMSCommit())',1);
|
|
}
|
|
if ( commit ) {
|
|
logit_scorm('LMSFinish() called',1);
|
|
savedata('finish');
|
|
}
|
|
return('true');
|
|
}
|
|
function LMSGetLastError() {
|
|
logit_scorm('LMSGetLastError()',1);
|
|
return(G_LastError);
|
|
}
|
|
function LMSGetErrorString(errCode){
|
|
logit_scorm('LMSGetErrorString()',1);
|
|
return('No error !');
|
|
}
|
|
function LMSGetDiagnostic(errCode){
|
|
logit_scorm('LMSGetDiagnostic()',1);
|
|
return(API.LMSGetLastError());
|
|
}
|
|
<?php
|
|
/**
|
|
* Chamilo-specific code that deals with event handling and inter-frames
|
|
* messaging/refreshing.
|
|
* Note that from now on, the Chamilo JS code in this library will act as
|
|
* a controller, of the MVC pattern, and receive all requests for frame
|
|
* updates, then redispatch to any frame concerned.
|
|
*/
|
|
?>
|
|
/**
|
|
* Defining the AJAX-object class to be made available from other frames.
|
|
*/
|
|
function XAJAXobject() {
|
|
this.xajax_switch_item_details=xajax_switch_item_details;
|
|
this.switch_item=switch_item;
|
|
}
|
|
|
|
//it is not sure that the scos use the above declarations
|
|
|
|
oXAJAX = new XAJAXobject();
|
|
oxajax = new XAJAXobject();
|
|
|
|
/**
|
|
* Cross-browser event handling by Scott Andrew
|
|
* @param element Element that needs an event attached
|
|
* @param string Event type (load, unload, click, keyDown, ...)
|
|
* @param string Function name (the event handler)
|
|
* @param string used in addEventListener
|
|
*/
|
|
function addEvent(elm, evType, fn, useCapture){
|
|
if(elm.addEventListener){
|
|
elm.addEventListener(evType, fn, useCapture);
|
|
return true;
|
|
}else if (elm.attachEvent){
|
|
var r = elm.attachEvent('on' + evType, fn);
|
|
}else{
|
|
elm['on'+evType] = fn;
|
|
}
|
|
}
|
|
/**
|
|
* Add listeners to the page objects. This has to be defined for
|
|
* the current context as it acts on objects that should exist
|
|
* on the page
|
|
*/
|
|
function addListeners(){
|
|
//exit if the browser doesn't support ID or tag retrieval
|
|
logit_lms('Entering addListeners()',2);
|
|
if(!document.getElementsByTagName){
|
|
logit_lms("getElementsByTagName not available",2);
|
|
return;
|
|
}
|
|
if(!document.getElementById){
|
|
logit_lms("getElementById not available",2);
|
|
return;
|
|
}
|
|
//assign event handlers to objects
|
|
if(lms_lp_type==1 || lms_item_type=='asset'){
|
|
logit_lms('Dokeos LP or asset',2);
|
|
// If this path is a Chamilo learnpath, then start manual save
|
|
// when something is loaded in there.
|
|
var myelem = document.getElementById('content_id');
|
|
if(!myelem){logit_lms("Impossible to find content_id element in document",2);}
|
|
addEvent(myelem,'unload',chamilo_save_asset,false);
|
|
logit_lms('Added event listener on content_id for unload',2);
|
|
}
|
|
logit_lms('Quitting addListeners()',2);
|
|
}
|
|
/**
|
|
* Load an item into the content frame:
|
|
* - making sure the previous item status have been saved
|
|
* - first updating the current item ID (to save the right item)
|
|
* - updating the frame src
|
|
*/
|
|
function load_item(item_id,url){
|
|
if(document.getElementById('content_id'))
|
|
{
|
|
logit_lms('Loading item '+item_id,2);
|
|
var cont_f = document.getElementById('content_id');
|
|
if(cont_f.src){
|
|
lms_old_item_id = lms_item_id;
|
|
var lms_new_item_id = item_id;
|
|
//load new content page into content frame
|
|
if(lms_lp_type==1 || lms_item_type=='asset'){
|
|
chamilo_save_asset();
|
|
}
|
|
cont_f.src = url;
|
|
update_toc('unhighlight',lms_old_item_id);
|
|
update_toc('highlight',item_id);
|
|
/* legacy code
|
|
lms_been_synchronized = 0;
|
|
lms_initialized = 0;
|
|
if(lms_lp_type==1 || lms_item_type=='asset'){
|
|
lms_item_id = lms_new_item_id;
|
|
}*/
|
|
return true;
|
|
}
|
|
logit_lms('cont_f.src has no properties',0);
|
|
}
|
|
logit_lms('content_id has no properties',0);
|
|
return false;
|
|
}
|
|
/**
|
|
* Save a Chamilo learnpath item's time and mark as completed upon
|
|
* leaving it
|
|
*/
|
|
function chamilo_save_asset(){
|
|
//var linkparams = 'id='+lms_item_id+'&score='+score+'&max='+max+'&min='+min+'&lesson_status='+lesson_status+'&time='+session_time+'&suspend_data='+suspend_data;
|
|
//var url = "<?php echo api_get_path(WEB_CODE_PATH).'newscorm/lp_controller.php'; ?>?action=save&" + linkparams + "";
|
|
logit_lms('chamilo_save_asset: '+url,0);
|
|
//frames["message_name"].src = url;
|
|
xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location);
|
|
}
|
|
/**
|
|
* Logs information about SCORM messages into the log frame
|
|
* @param string Message to log
|
|
* @param integer Priority (0 for top priority, 3 for lowest)
|
|
*/
|
|
function logit_scorm(message,priority) {
|
|
if (scorm_logs) {
|
|
log_in_log("SCORM: " + message);
|
|
}
|
|
return false;
|
|
|
|
/*if(frames["lp_log_name"] && scorm_logs>priority){
|
|
frames["lp_log_name"].document.getElementById("log_content").innerHTML += "AICC: " + message + "<br/>";
|
|
}*/
|
|
}
|
|
|
|
function log_in_log(message) {
|
|
var ua = $.browser;
|
|
if (ua.mozilla) {
|
|
console.log(message);
|
|
} else {
|
|
if (window.console) {
|
|
window.console.log(message);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Logs information about LMS activity into the log frame
|
|
* @param string Message to log
|
|
* @param integer Priority (0 for top priority, 3 for lowest)
|
|
*/
|
|
function logit_lms(message,priority) {
|
|
/*
|
|
if(frames["lp_log_name"] && lms_logs>priority){
|
|
frames["lp_log_name"].document.getElementById("log_content").innerHTML += "LMS: " + message + "<br/>";
|
|
}*/
|
|
|
|
if (scorm_logs) {
|
|
log_in_log("LMS: " + message);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* update the Table Of Contents frame, by changing CSS styles, mostly
|
|
* @param string Action to be taken
|
|
* @param integer Item id to update
|
|
*/
|
|
function update_toc(update_action,update_id)
|
|
{
|
|
<?php if ($oLP->mode != 'fullscreen') { ?>
|
|
var myframe = frames["toc_name"];
|
|
var myelem = myframe.document.getElementById("toc_"+update_id);
|
|
var myelemimg = myframe.document.getElementById("toc_img_"+update_id);
|
|
logit_lms('update_toc('+update_action+','+update_id+')',2);
|
|
if(update_id != 0){
|
|
switch(update_action){
|
|
case 'unhighlight':
|
|
myelem.className = "scorm_item";
|
|
break;
|
|
case 'highlight':
|
|
myelem.className = "scorm_item_highlight";
|
|
break;
|
|
case 'not attempted':
|
|
if(myelemimg.src != '../img/notattempted.gif'){
|
|
myelemimg.src = "../img/notattempted.gif";
|
|
myelemimg.alt = "not attempted";
|
|
}
|
|
break;
|
|
case 'incomplete':
|
|
if(myelemimg.src != '../img/incomplete.png'){
|
|
myelemimg.src = "../img/incomplete.png";
|
|
myelemimg.alt = "incomplete";
|
|
}
|
|
break;
|
|
case 'completed':
|
|
if(myelemimg.src != '../img/completed.png'){
|
|
myelemimg.src = "../img/completed.png";
|
|
myelemimg.alt = "completed";
|
|
}
|
|
break;
|
|
case 'failed':
|
|
if(myelemimg.src != '../img/failed.png'){
|
|
myelemimg.src = "../img/failed.png";
|
|
myelemimg.alt = "failed";
|
|
}
|
|
break;
|
|
case 'passed':
|
|
if(myelemimg.src != '../img/completed.png' && myelemimg.alt != 'passed'){
|
|
myelemimg.src = "../img/completed.png";
|
|
myelemimg.alt = "passed";
|
|
}
|
|
break;
|
|
case 'browsed':
|
|
if(myelemimg.src != '../img/completed.png' && myelemimg.alt != 'browsed'){
|
|
myelemimg.src = "../img/completed.png";
|
|
myelemimg.alt = "browsed";
|
|
}
|
|
break;
|
|
default:
|
|
logit_lms('Update action unknown',2);
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
<?php } ?>
|
|
return true;
|
|
}
|
|
/**
|
|
* Updates the progress bar with the new status. Prevents the need of a page refresh and flickering
|
|
* @param integer Number of completed items
|
|
* @param integer Number of items in total
|
|
* @param string Display mode (absolute 'abs' or percentage '%').Defaults to %
|
|
*/
|
|
function update_progress_bar(nbr_complete, nbr_total, mode)
|
|
{
|
|
logit_lms('update_progress_bar('+nbr_complete+','+nbr_total+','+mode+')',2);
|
|
logit_lms('could update with data: '+lms_lp_id+','+lms_view_id+','+lms_user_id,2);
|
|
var myframe = frames["nav_name"];
|
|
if(myframe){
|
|
if(mode == ''){mode='%';}
|
|
if(nbr_total == 0){nbr_total=1;}
|
|
var percentage = (nbr_complete/nbr_total)*100;
|
|
percentage = Math.round(percentage);
|
|
|
|
var progress_bar = $("#progress_bar_value");
|
|
progress_bar.css('width', percentage +"%");
|
|
|
|
/*
|
|
var pr_text = myframe.document.getElementById('progress_text');
|
|
var pr_full = myframe.document.getElementById('progress_img_full');
|
|
|
|
var pr_empty = myframe.document.getElementById('progress_img_empty');
|
|
pr_full.width = percentage;
|
|
pr_empty.width = 100-percentage;
|
|
*/
|
|
|
|
var mytext = '';
|
|
switch(mode){
|
|
case 'abs':
|
|
mytext = nbr_complete + '/' + nbr_total;
|
|
break;
|
|
case '%':
|
|
default:
|
|
mytext = percentage + '%';
|
|
break;
|
|
}
|
|
pr_text.innerHTML = mytext;
|
|
}
|
|
return true;
|
|
}
|
|
function update_stats_page()
|
|
{
|
|
var myframe = document.getElementById('content_id');
|
|
var mysrc = myframe.location.href;
|
|
if(mysrc == 'lp_controller.php?action=stats'){
|
|
if(myframe && myframe.src){
|
|
var mysrc = myframe.src;
|
|
myframe.src = mysrc;
|
|
}
|
|
// = mysrc; //refresh page
|
|
}
|
|
return true;
|
|
}
|
|
/**
|
|
* Updates the message frame with the given string
|
|
*/
|
|
function update_message_frame(msg_msg)
|
|
{
|
|
if(msg_msg==null){msg_msg='';}
|
|
var msg_f = frames["message_name"];
|
|
if(!msg_f.document || !msg_f.document.getElementById('msg_div_id')){
|
|
logit_lms('In update_message_frame() - message frame has no document property',0);
|
|
}else{
|
|
logit_lms('In update_message_frame() - updating frame',0);
|
|
msg_f.document.getElementById('msg_div_id').innerHTML= msg_msg;
|
|
}
|
|
}
|
|
/**
|
|
* Function that handles the saving of an item and switching from an item to another.
|
|
* Once called, this function should be able to do the whole process of (1) saving the
|
|
* current item, (2) refresh all the values inside the SCORM API object, (3) open the
|
|
* new item into the content_id frame, (4) refresh the table of contents, (5) refresh
|
|
* the progress bar (completion), (6) refresh the message frame
|
|
* @param integer Chamilo ID for the current item
|
|
* @param string This parameter can be a string specifying the next
|
|
* item (like 'next', 'previous', 'first' or 'last') or the id to the next item
|
|
*/
|
|
function switch_item(current_item, next_item){
|
|
/*
|
|
if(!current_item){
|
|
logit_lms('In switch - no current_item defined',0);
|
|
}
|
|
if(!next_item){
|
|
logit_lms('In switch - no next_item defined',0);
|
|
}
|
|
*/
|
|
if(lms_item_id == next_item){
|
|
return; //nothing to switch
|
|
}
|
|
//(1) save the current item
|
|
logit_lms('Called switch_item with params '+lms_item_id+' and '+next_item+'',0);
|
|
xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location);
|
|
|
|
//(2) Refresh all the values inside this SCORM API object - use AJAX
|
|
xajax_switch_item_details(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,next_item);
|
|
|
|
//(3) open the new item in the content_id frame
|
|
var cont_f = document.getElementById('content_id');
|
|
if(!cont_f){logit_lms('In switch - content frame not found',0);return false;}
|
|
switch(next_item){
|
|
case 'next':
|
|
next_item = lms_next_item;
|
|
break;
|
|
case 'previous':
|
|
next_item = lms_previous_item;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
cont_f.src = 'lp_controller.php?action=content&lp_id='+lms_lp_id+'&item_id='+next_item;
|
|
|
|
//(4) refresh table of contents
|
|
/*
|
|
var toc_f = document.getElementById('toc_id');
|
|
if(!toc_f){logit_lms('In switch - toc frame not found',0);return false;}
|
|
var myrefresh = toc_f.src;
|
|
toc_f.src = myrefresh;
|
|
*/
|
|
|
|
//(5) refresh the progress bar
|
|
/*
|
|
var prg_f = document.getElementById('nav_id');
|
|
if(!prg_f){logit_lms('In switch - navigation frame not found',0);return false;}
|
|
var myrefresh = prg_f.src;
|
|
prg_f.src = myrefresh;
|
|
*/
|
|
|
|
//(6) refresh the message box (included in switch_item_details)
|
|
return true;
|
|
}
|
|
/**
|
|
* Save a specific item (with its interactions, if any) into the LMS through
|
|
* an AJAX call. Originally, we used the xajax library. Now we use jQuery.
|
|
* Because of the need to pass an array, we have to build the parameters
|
|
* manually into GET[]
|
|
*/
|
|
function xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location, interactions, lms_item_core_exit) {
|
|
params='';
|
|
params += 'lid='+lms_lp_id+'&uid='+lms_user_id+'&vid='+lms_view_id;
|
|
params += '&iid='+lms_item_id+'&s='+score+'&max='+max+'&min='+min;
|
|
params += '&status='+lesson_status+'&t='+session_time;
|
|
params += '&suspend='+suspend_data+'&loc='+lesson_location;
|
|
params += '&core_exit='+lms_item_core_exit;
|
|
interact_string = '';
|
|
for (i in interactions){
|
|
interact_string += '&interact['+i+']=';
|
|
interact_temp = '[';
|
|
for (j in interactions[i]) {
|
|
interact_temp += interactions[i][j]+',';
|
|
}
|
|
interact_temp = interact_temp.substr(0,(interact_temp.length-2)) + ']';
|
|
interact_string += encodeURIComponent(interact_temp);
|
|
}
|
|
//interact_string = encodeURIComponent(interact_string.substr(0,(interact_string.length-1)));
|
|
params += interact_string;
|
|
/*params = {
|
|
'lid': lms_lp_id,
|
|
'uid': lms_user_id,
|
|
'vid': lms_view_id,
|
|
'iid': lms_item_id,
|
|
's': score,
|
|
'max': max,
|
|
'min': min,
|
|
'status': lesson_status,
|
|
't': session_time,
|
|
'suspend': suspend_data,
|
|
'loc': lesson_location,
|
|
'interact': interac_string,
|
|
'core_exit': lms_item_core_exit
|
|
}
|
|
*/
|
|
$.ajax({
|
|
type:"POST",
|
|
data: params,
|
|
url: "lp_ajax_save_item.php",
|
|
dataType: "script",
|
|
async: false
|
|
}
|
|
);
|
|
}
|
|
/**
|
|
* Starts the timer with the server clock time.
|
|
* Originally, we used the xajax library. Now we use jQuery
|
|
*/
|
|
function xajax_start_timer() {
|
|
$.ajax({
|
|
type: "GET",
|
|
url: "lp_ajax_start_timer.php",
|
|
dataType: "script",
|
|
async: false
|
|
});
|
|
}
|
|
/**
|
|
* Save a specific item's objectives into the LMS through
|
|
* an AJAX call. Originally, we used the xajax library. Now we use jQuery
|
|
*/
|
|
function xajax_save_objectives(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,item_objectives) {
|
|
params='';
|
|
params += 'lid='+lms_lp_id+'&uid='+lms_user_id+'&vid='+lms_view_id;
|
|
params += '&iid='+lms_item_id;
|
|
obj_string = '';
|
|
for (i in item_objectives){
|
|
obj_string += '&objectives['+i+']=';
|
|
obj_temp = '[';
|
|
for (j in item_objectives[i]) {
|
|
obj_temp += item_objectives[i][j]+',';
|
|
}
|
|
obj_temp = obj_temp.substr(0,(obj_temp.length-2)) + ']';
|
|
obj_string += encodeURIComponent(obj_temp);
|
|
}
|
|
params += obj_string;
|
|
$.ajax({
|
|
type: "POST",
|
|
data: params,
|
|
url: "lp_ajax_save_objectives.php",
|
|
dataType: "script",
|
|
async: false
|
|
});
|
|
}
|
|
/**
|
|
* Switch between two items through
|
|
* an AJAX call. Originally, we used the xajax library. Now we use jQuery
|
|
*/
|
|
function xajax_switch_item_details(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,next_item) {
|
|
params = {
|
|
'lid': lms_lp_id,
|
|
'uid': lms_user_id,
|
|
'vid': lms_view_id,
|
|
'iid': lms_item_id,
|
|
'next': next_item
|
|
}
|
|
$.ajax({
|
|
type: "POST",
|
|
data: params,
|
|
url: "lp_ajax_switch_item.php",
|
|
dataType: "script",
|
|
async: false
|
|
});
|
|
}
|
|
addEvent(window,'load',addListeners,false);
|
|
|