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chamilo-lms
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Using switch_item_toc() to avoid changing the attributes before SCORM LMSFinish()

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skala
Yannick Warnier 15 years ago
parent d4bac7a4a8
commit 898174dec2
1 changed files with 83 additions and 39 deletions
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  1. 122
      main/newscorm/scorm_api.php

122
main/newscorm/scorm_api.php
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@ -164,7 +164,6 @@ olms.info_lms_item=new Array();
// olms.saved_lesson_status = 'not attempted';
olms.lms_lp_id = <?php echo $oLP->get_id();?>;
olms.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())
olms.lms_initialized = 0;
//olms.lms_total_lessons = <?php echo $oLP->get_total_items_count(); ?>;
//olms.lms_complete_lessons = <?php echo $oLP->get_complete_items_count();?>;
@ -181,6 +180,8 @@ olms.lms_item_credit = '<?php echo $oItem->get_credit();?>';
olms.lms_item_lesson_mode = '<?php echo $oItem->get_lesson_mode();?>';
olms.lms_item_launch_data = '<?php echo $oItem->get_launch_data();?>';
olms.lms_item_core_exit = '<?php echo $oItem->get_core_exit();?>';
<?php echo $oLP->get_items_details_as_js('olms.lms_item_types')?>
olms.asset_timer = 0;
//Backup for old values
@ -201,7 +202,7 @@ $(document).ready( function() {
olms.info_lms_item[0]='<?php echo $oItem->get_id();?>';
olms.info_lms_item[1]='<?php echo $oItem->get_id();?>';
$("iframe#content_id").load( function(){
$("#content_id").load( function(){
olms.info_lms_item[0]=olms.info_lms_item[1];
<?php
if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
@ -212,6 +213,9 @@ $(document).ready( function() {
<?php
}
?>
if (olms.lms_item_types['i'+olms.info_lms_item[1]] != 'sco') {
LMSInitialize();
}
});
});
@ -261,7 +265,8 @@ function LMSInitialize() { //this is the initialize function of all APIobjects
});
// log a more complete object dump when initializing, so we know what data hasn't been cleaned
var log = '<br />item : '+ olms.lms_item_id
+ '<br />score : '+ olms.score
+ '<br />item_type : '+ olms.lms_item_type
+ '<br />score : '+ olms.score
+ '<br />max : '+ olms.max
+ '<br />min : '+ olms.min
+ '<br />lesson_status : '+ olms.lesson_status
@ -1006,35 +1011,6 @@ function addListeners(){
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
* possibly deprecated
*/
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){
olms.lms_old_item_id = olms.lms_item_id;
var lms_new_item_id = item_id;
//load new content page into content frame
if(olms.lms_lp_type==1 || olms.lms_item_type=='asset'){
lms_save_asset();
}
cont_f.src = url;
update_toc('unhighlight',olms.lms_old_item_id);
update_toc('highlight',olms.lms_old_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 Dokeos learnpath item's time and mark as completed upon
* leaving it
@ -1296,6 +1272,8 @@ function switch_item(current_item, next_item){
var orig_current_item = current_item;
var orig_next_item = next_item;
var orig_lesson_status = olms.lesson_status;
var orig_item_type = olms.lms_item_types['i'+current_item];
var next_item_type = olms.lms_item_types['i'+next_item];
/*
There are four "cases" for switching items:
@ -1304,16 +1282,48 @@ function switch_item(current_item, next_item){
(2) asset switching to sco
We need to save, switching not necessary (LMSInitialize does the job)
(3) sco switching to asset
We need to switch, and the commit *should* be automatic when the
SCO unloads
We need to switch the document in the content frame, but we cannot
switch the item details, otherwise the LMSFinish() call (that *must*
be triggered by the SCO when it unloads) will use bad values. However,
we need to load the new asset's context once the SCO has unloaded
(4) sco switching to sco
We don't neet to switch nor commit, Commit on unload and
We don't neet to switch nor commit, LMSFinish() on unload and
LMSInitialize on load will do the job
In any case, we need to change the current document frame
In any case, we need to change the current document frame.
These cases, although clear here, are however very difficult to implement
*/
logit_lms('Called switch_item with params '+olms.lms_item_id+' and '+next_item+'',0);
if (orig_item_type != 'sco') {
if (next_item_type != 'sco' ) {
//case 1
xajax_save_item(olms.lms_lp_id, olms.lms_user_id, olms.lms_view_id, olms.lms_item_id, olms.score, olms.max, olms.min, olms.lesson_status, olms.asset_timer, olms.suspend_data, olms.lesson_location,olms.interactions, olms.lms_item_core_exit);
xajax_switch_item_details(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,next_item);
} else {
//case 2
xajax_save_item(olms.lms_lp_id, olms.lms_user_id, olms.lms_view_id, olms.lms_item_id, olms.score, olms.max, olms.min, olms.lesson_status, olms.asset_timer, olms.suspend_data, olms.lesson_location,olms.interactions, olms.lms_item_core_exit);
xajax_switch_item_details(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,next_item);
}
} else {
if (next_item_type != 'sco') {
//case 3
xajax_save_item_scorm(olms.lms_lp_id, olms.lms_user_id, olms.lms_view_id, olms.lms_item_id);
reinit_updatable_vars_list();
xajax_switch_item_toc(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,next_item);
} else {
//case 4
xajax_save_item_scorm(olms.lms_lp_id, olms.lms_user_id, olms.lms_view_id, olms.lms_item_id);
reinit_updatable_vars_list();
xajax_switch_item_toc(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,next_item);
}
if (olms.item_objectives.length>0) {
xajax_save_objectives(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,olms.item_objectives);
}
}
/*
//(1) save the current item
logit_lms('Called switch_item with params '+olms.lms_item_id+' and '+next_item+'',0);
if (olms.lms_lp_type==1 || olms.lms_item_type=='asset' || olms.session_time == '0' || olms.session_time == '0:00:00') {
if (olms.lms_lp_type==1) {
xajax_save_item(olms.lms_lp_id, olms.lms_user_id, olms.lms_view_id, olms.lms_item_id, olms.score, olms.max, olms.min, olms.lesson_status, olms.asset_timer, olms.suspend_data, olms.lesson_location,olms.interactions, olms.lms_item_core_exit);
@ -1324,6 +1334,7 @@ function switch_item(current_item, next_item){
xajax_save_objectives(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,olms.item_objectives);
}
}else{
*/
/**
* Because of SCORM 1.2's special rule about unsent commits and the fact
* that a SCO should be SET TO 'completed' IF NO STATUS WAS SENT (and
@ -1350,12 +1361,19 @@ function switch_item(current_item, next_item){
}
xajax_save_item(olms.lms_lp_id, olms.lms_user_id, olms.lms_view_id, olms.lms_item_id, olms.score, olms.max, olms.min, olms.lesson_status, olms.session_time, olms.suspend_data, olms.lesson_location,olms.interactions, olms.lms_item_core_exit);
*/
/*
}
olms.execute_stats=false;
//(2) Refresh all the values inside this SCORM API object - use AJAX
xajax_switch_item_details(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,next_item);
xajax_switch_item_details(olms.lms_lp_id,olms.lms_user_id,olms.lms_view_id,olms.lms_item_id,next_item);
*/
olms.execute_stats=false;
// Considering info_lms_item[0] is initially the oldest and info_lms_item[1]
// is the newest item, and considering we are done switching the items now,
// we need to update these markers so that the new item is loaded when
// changing the document in the content frame
if (olms.info_lms_item[1]==next_item && next_item!='next' && next_item!='previous') {
olms.info_lms_item[0]=next_item;
olms.info_lms_item[1]=next_item;
@ -1624,6 +1642,32 @@ function xajax_switch_item_details(lms_lp_id,lms_user_id,lms_view_id,lms_item_id
async: false
});
}
/**
* Switch between two items through an AJAX call, but only update the TOC and
* progress bar.
* @param int ID of the learning path
* @param int ID of the user
* @param int ID of the view
* @param int ID of the item
* @param int ID of the next item
* @uses lp_ajax_switch_toc.php
*/
function xajax_switch_item_toc(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_toc.php",
dataType: "script",
async: true
});
}
/**
* Add the "addListeners" function to the "onload" event of the window and
* start the timer if necessary (asset)

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