/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_item)
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('In xajax_switch_item_details(' . $lp_id . ',' . $user_id . ',' . $view_id . ',' . $current_item . ',' . $next_item . ')', 0);
}
//$objResponse = new xajaxResponse();
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$new_item_id = 0;
switch ($next_item) {
case 'next':
$mylp->set_current_item($current_item);
$mylp->next();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {next} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'previous':
$mylp->set_current_item($current_item);
$mylp->previous();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {previous} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'first':
$mylp->set_current_item($current_item);
$mylp->first();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {first} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked.
if ($next_item == $current_item) {
// If we're opening the same item again.
$mylp->items[$current_item]->restart();
}
$new_item_id = $next_item;
$mylp->set_current_item($new_item_id);
if ($debug > 1) {
error_log('In {default} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit) {
$mylp->save_current();
}
if (is_object($mylp->items[$new_item_id])) {
$mylpi = $mylp->items[$new_item_id];
} else {
if ($debug > 1) {
error_log('In switch_item_details - generating new item object', 0);
}
$mylpi = new learnpathItem($new_item_id, $user_id);
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
if ($mymax === '') {
$mymax = "''";
}
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mylesson_location = $mylpi->get_lesson_location();
$mytotal_time = $mylpi->get_scorm_time('js');
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
/*
if ($mylpi->get_type() == 'asset') {
// Temporary measure to save completion of an asset. Later on, Chamilo should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
$mylesson_status = 'completed';
$mylpi->set_status('completed');
$mylpi->save();
}
*/
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$myic = $mylpi->get_interactions_count();
$myistring = '';
for ($i = 0; $i < $myic; $i++) {
$myistring .= ",[" . $i . ",'','','','','','','']";
}
if (!empty($myistring)) {
$myistring = substr($myistring, 1);
}
/*
* The following lines should reinitialize the values for the SCO
* However, due to many complications, we are now relying more on the
* LMSInitialize() call and its underlying lp_ajax_initialize.php call
* so this code is technically deprecated (but the change of item_id should
* remain). However, due to numerous technical issues with SCORM, we prefer
* leaving it as a double-lock security. If removing, please test carefully
* with both SCORM and proper learning path tracking.
*/
$return .= "olms.score=" . $myscore . ";" . "olms.max=" . $mymax . ";" . "olms.min=" . $mymin . ";" . "olms.lesson_status='" . $mylesson_status . "';" . "olms.lesson_location='" . $mylesson_location . "';" . "olms.session_time='" . $mysession_time . "';" . "olms.suspend_data='" . $mysuspend_data . "';" . "olms.total_time = '" . $mytotal_time . "';" . "olms.mastery_score = '" . $mymastery_score . "';" . "olms.max_time_allowed = '" . $mymax_time_allowed . "';" . "olms.launch_data = '" . $mylaunch_data . "';" . "olms.interactions = new Array(" . $myistring . ");" . "olms.item_objectives = new Array();" . "olms.G_lastError = 0;" . "olms.G_LastErrorMessage = 'No error';" . "olms.finishSignalReceived = 0;";
/*
* and re-initialise the rest
* -lms_lp_id
* -lms_item_id
* -lms_old_item_id
* -lms_new_item_id
* -lms_initialized
* -lms_progress_bar_mode
* -lms_view_id
* -lms_user_id
*/
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = $myprogress_mode == '' ? '%' : $myprogress_mode;
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$return .= "olms.lms_lp_id=" . $lp_id . ";" . "olms.lms_item_id=" . $new_item_id . ";" . "olms.lms_old_item_id=0;" . "olms.lms_initialized=0;" . "olms.lms_view_id=" . $view_id . ";" . "olms.lms_user_id=" . $user_id . ";" . "olms.next_item=" . $new_item_id . ";" . "olms.lms_next_item=" . $mynext . ";" . "olms.lms_previous_item=" . $myprevious . ";" . "olms.lms_item_type = '" . $myitemtype . "';" . "olms.lms_item_credit = '" . $mycredit . "';" . "olms.lms_item_lesson_mode = '" . $mylesson_mode . "';" . "olms.lms_item_launch_data = '" . $mylaunch_data . "';" . "olms.lms_item_interactions_count = '" . $myinteractions_count . "';" . "olms.lms_item_objectives_count = '" . $myinteractions_count . "';" . "olms.lms_item_core_exit = '" . $mycore_exit . "';" . "olms.asset_timer = 0;";
$return .= "update_toc('unhighlight','" . $current_item . "');" . "update_toc('highlight','" . $new_item_id . "');" . "update_toc('{$mylesson_status}','" . $new_item_id . "');" . "update_progress_bar('{$mycomplete}','{$mytotal}','{$myprogress_mode}');";
$return .= 'updateGamificationValues(); ';
$mylp->set_error_msg('');
$mylp->prerequisites_match();
// Check the prerequisites are all complete.
if ($debug > 1) {
error_log('Prereq_match() returned ' . htmlentities($mylp->error), 0);
}
// Save the new item ID for the exercise tool to use.
Session::write('scorm_item_id', $new_item_id);
Session::write('lpobject', serialize($mylp));
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function initialize_item($lp_id, $user_id, $view_id, $next_item) {
global $debug;
$return = '';
if ($debug > 0) { error_log('In initialize_item('.$lp_id.','.$user_id.','.$view_id.','.$next_item.')', 0); }
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$mylp->set_current_item($next_item);
if ($debug > 1) { error_log('In initialize_item() - new item is '.$next_item, 0); }
$mylp->start_current_item(true);
if (is_object($mylp->items[$next_item])) {
if ($debug > 1) { error_log('In initialize_item - recovering existing item object '.$next_item, 0); }
$mylpi = $mylp->items[$next_item];
} else {
if ($debug > 1) { error_log('In initialize_item - generating new item object '.$next_item, 0); }
$mylpi = new learnpathItem($next_item, $user_id);
}
if ($mylpi) {
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
if ($mymax === '') { $mymax = "''"; }
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mytotal_time = $mylpi->get_scorm_time('js', null, true);
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$myic = $mylpi->get_interactions_count();
$myistring = '';
for ($i = 0; $i < $myic; $i++) {
$myistring .= ",[".$i.",'','','','','','','']";
}
if (!empty($myistring)) {
$myistring = substr($myistring, 1);
}
// Obtention des donnees d'objectifs
$mycoursedb = Database::get_course_table(TABLE_LP_IV_OBJECTIVE);
$course_id = api_get_course_int_id();
$mylp_iv_id = $mylpi->db_item_view_id;
$phpobjectives = array();
if (!empty($mylp_iv_id)) {
$sql = "SELECT objective_id, status, score_raw, score_max, score_min
FROM $mycoursedb
WHERE lp_iv_id = $mylp_iv_id AND c_id = $course_id
ORDER BY id ASC;";
$res = Database::query($sql);
while ($row = Database::fetch_row($res)) {
$phpobjectives[] = $row;
}
}
$myobjectives = json_encode($phpobjectives);
$return .=
"olms.score=".$myscore.";" .
"olms.max=".$mymax.";" .
"olms.min=".$mymin.";" .
"olms.lesson_status='".$mylesson_status."';" .
"olms.lesson_location='".$mylesson_location."';" .
"olms.session_time='".$mysession_time."';" .
"olms.suspend_data='".$mysuspend_data."';" .
"olms.total_time = '".$mytotal_time."';" .
"olms.mastery_score = '".$mymastery_score."';" .
"olms.max_time_allowed = '".$mymax_time_allowed."';" .
"olms.launch_data = '".$mylaunch_data."';" .
"olms.interactions = new Array(".$myistring.");" .
//"olms.item_objectives = new Array();" .
"olms.item_objectives = ".$myobjectives.";" .
"olms.G_lastError = 0;" .
"olms.G_LastErrorMessage = 'No error';".
"olms.finishSignalReceived = 0;";
/*
* and re-initialise the rest (proper to the LMS)
* -lms_lp_id
* -lms_item_id
* -lms_old_item_id
* -lms_new_item_id
* -lms_initialized
* -lms_progress_bar_mode
* -lms_view_id
* -lms_user_id
*/
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = ($myprogress_mode == '' ? '%' : $myprogress_mode);
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$return .=
"olms.lms_lp_id=".$lp_id.";" .
"olms.lms_item_id=".$next_item.";" .
"olms.lms_old_item_id=0;" .
"olms.lms_initialized=0;" .
"olms.lms_view_id=".$view_id.";" .
"olms.lms_user_id=".$user_id.";" .
"olms.next_item=".$next_item.";" . // This one is very important to replace possible literal strings.
"olms.lms_next_item=".$mynext.";" .
"olms.lms_previous_item=".$myprevious.";" .
"olms.lms_item_type = '".$myitemtype."';" .
"olms.lms_item_credit = '".$mycredit."';" .
"olms.lms_item_lesson_mode = '".$mylesson_mode."';" .
"olms.lms_item_launch_data = '".$mylaunch_data."';" .
"olms.lms_item_interactions_count = '".$myinteractions_count."';" .
"olms.lms_item_objectives_count = '".$myinteractions_count."';" .
"olms.lms_item_core_exit = '".$mycore_exit."';" .
"olms.asset_timer = 0;";
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) { error_log('Prereq_match() returned '.htmlentities($mylp->error), 0); }
if ($debug > 1) { error_log("return = $return "); }
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_toc($lp_id, $user_id, $view_id, $current_item, $next_item)
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('In xajax_switch_item_toc(' . $lp_id . ',' . $user_id . ',' . $view_id . ',' . $current_item . ',' . $next_item . ')', 0);
}
require_once 'learnpath.class.php';
require_once 'scorm.class.php';
require_once 'aicc.class.php';
require_once 'learnpathItem.class.php';
require_once 'scormItem.class.php';
require_once 'aiccItem.class.php';
$mylp = '';
if (isset($_SESSION['lpobject'])) {
if ($debug > 1) {
error_log('$_SESSION[lpobject] is set', 0);
}
$oLP = unserialize($_SESSION['lpobject']);
if (!is_object($oLP)) {
if ($debug > 1) {
error_log(print_r($oLP, true), 0);
}
if ($debug > 2) {
error_log('Building new lp', 0);
}
unset($oLP);
$code = api_get_course_id();
$mylp = new learnpath($code, $lp_id, $user_id);
} else {
if ($debug > 1) {
error_log('Reusing session lp', 0);
}
$mylp = $oLP;
}
}
$new_item_id = 0;
switch ($next_item) {
case 'next':
$mylp->set_current_item($current_item);
$mylp->next();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {next} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'previous':
$mylp->set_current_item($current_item);
$mylp->previous();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {previous} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'first':
$mylp->set_current_item($current_item);
$mylp->first();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {first} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked
if ($next_item == $current_item) {
// If we're opening the same item again.
$mylp->items[$current_item]->restart();
}
$new_item_id = $next_item;
$mylp->set_current_item($new_item_id);
if ($debug > 1) {
error_log('In {default} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit) {
$mylp->save_current();
}
if (is_object($mylp->items[$new_item_id])) {
$mylpi = $mylp->items[$new_item_id];
} else {
if ($debug > 1) {
error_log('In switch_item_details - generating new item object', 0);
}
$mylpi = new learnpathItem($new_item_id, $user_id);
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
if ($mymax === '') {
$mymax = "''";
}
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mylesson_location = $mylpi->get_lesson_location();
$mytotal_time = $mylpi->get_scorm_time('js');
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$myic = $mylpi->get_interactions_count();
$myistring = '';
for ($i = 0; $i < $myic; $i++) {
$myistring .= ",[" . $i . ",'','','','','','','']";
}
if (!empty($myistring)) {
$myistring = substr($myistring, 1);
}
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = $myprogress_mode == '' ? '%' : $myprogress_mode;
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$return .= "olms.lms_lp_id=" . $lp_id . ";" . "olms.lms_item_id=" . $new_item_id . ";" . "olms.lms_old_item_id=0;" . "olms.lms_initialized=0;" . "olms.lms_view_id=" . $view_id . ";" . "olms.lms_user_id=" . $user_id . ";" . "olms.next_item=" . $new_item_id . ";" . "olms.lms_next_item=" . $mynext . ";" . "olms.lms_previous_item=" . $myprevious . ";" . "olms.lms_item_type = '" . $myitemtype . "';" . "olms.lms_item_credit = '" . $mycredit . "';" . "olms.lms_item_lesson_mode = '" . $mylesson_mode . "';" . "olms.lms_item_launch_data = '" . $mylaunch_data . "';" . "olms.lms_item_interactions_count = '" . $myinteractions_count . "';" . "olms.lms_item_objectives_count = '" . $myinteractions_count . "';" . "olms.lms_item_core_exit = '" . $mycore_exit . "';" . "olms.asset_timer = 0;";
$return .= "update_toc('unhighlight','" . $current_item . "');" . "update_toc('highlight','" . $new_item_id . "');" . "update_toc('{$mylesson_status}','" . $new_item_id . "');" . "update_progress_bar('{$mycomplete}','{$mytotal}','{$myprogress_mode}');";
$mylp->set_error_msg('');
$mylp->prerequisites_match();
// Check the prerequisites are all complete.
if ($debug > 1) {
error_log('Prereq_match() returned ' . htmlentities($mylp->error), 0);
}
$_SESSION['scorm_item_id'] = $new_item_id;
// Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($mylp);
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_toc($lp_id, $user_id, $view_id, $current_item, $next_item) {
$debug = 0;
$return = '';
if ($debug > 0) { error_log('In xajax_switch_item_toc('.$lp_id.','.$user_id.','.$view_id.','.$current_item.','.$next_item.')', 0); }
require_once 'learnpath.class.php';
require_once 'scorm.class.php';
require_once 'aicc.class.php';
require_once 'learnpathItem.class.php';
require_once 'scormItem.class.php';
require_once 'aiccItem.class.php';
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$new_item_id = 0;
switch ($next_item) {
case 'next':
$mylp->set_current_item($current_item);
$mylp->next();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) { error_log('In {next} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
case 'previous':
$mylp->set_current_item($current_item);
$mylp->previous();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) { error_log('In {previous} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
case 'first':
$mylp->set_current_item($current_item);
$mylp->first();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) { error_log('In {first} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked
if($next_item == $current_item){
// If we're opening the same item again.
$mylp->items[$current_item]->restart();
}
$new_item_id = $next_item;
$mylp->set_current_item($new_item_id);
if ($debug > 1) { error_log('In {default} - next item is '.$new_item_id.'(current: '.$current_item.')', 0); }
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit) {
$mylp->save_current();
}
if (is_object($mylp->items[$new_item_id])) {
$mylpi = $mylp->items[$new_item_id];
} else {
if ($debug > 1) { error_log('In switch_item_details - generating new item object', 0); }
$mylpi = new learnpathItem($new_item_id, $user_id);
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
if ($mymax === '') { $mymax = "''"; }
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mylesson_location = $mylpi->get_lesson_location();
$mytotal_time = $mylpi->get_scorm_time('js');
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
/*
if ($mylpi->get_type() == 'asset') {
// Temporary measure to save completion of an asset. Later on, Chamilo should trigger something on unload, maybe... (even though that would mean the last item cannot be completed)
$mylesson_status = 'completed';
$mylpi->set_status('completed');
$mylpi->save();
}
*/
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$myic = $mylpi->get_interactions_count();
$myistring = '';
for ($i = 0; $i < $myic; $i++) {
$myistring .= ",[".$i.",'','','','','','','']";
}
if (!empty($myistring)) {
$myistring = substr($myistring, 1);
}
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = ($myprogress_mode == '' ? '%' : $myprogress_mode);
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$return .=
//"saved_lesson_status='not attempted';" .
"olms.lms_lp_id=".$lp_id.";" .
"olms.lms_item_id=".$new_item_id.";" .
"olms.lms_old_item_id=0;" .
//"lms_been_synchronized=0;" .
"olms.lms_initialized=0;" .
//"lms_total_lessons=".$mytotal.";" .
//"lms_complete_lessons=".$mycomplete.";" .
//"lms_progress_bar_mode='".$myprogress_mode."';" .
"olms.lms_view_id=".$view_id.";" .
"olms.lms_user_id=".$user_id.";" .
"olms.next_item=".$new_item_id.";" . // This one is very important to replace possible literal strings.
"olms.lms_next_item=".$mynext.";" .
"olms.lms_previous_item=".$myprevious.";" .
"olms.lms_item_type = '".$myitemtype."';" .
"olms.lms_item_credit = '".$mycredit."';" .
"olms.lms_item_lesson_mode = '".$mylesson_mode."';" .
"olms.lms_item_launch_data = '".$mylaunch_data."';" .
"olms.lms_item_interactions_count = '".$myinteractions_count."';" .
"olms.lms_item_objectives_count = '".$myinteractions_count."';" .
"olms.lms_item_core_exit = '".$mycore_exit."';" .
"olms.asset_timer = 0;";
$return .= "update_toc('unhighlight','".$current_item."');".
"update_toc('highlight','".$new_item_id."');".
"update_toc('$mylesson_status','".$new_item_id."');".
"update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');";
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) { error_log('Prereq_match() returned '.htmlentities($mylp->error), 0); }
$_SESSION['scorm_item_id'] = $new_item_id; // Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($mylp);
return $return;
}
/**
* Get one item's details
* @param integer $lpId LP ID
* @param integer $userId user ID
* @param integer $viewId View ID
* @param integer $currentItem Current item ID
* @param integer $nextItem New item ID
* @return string JavaScript commands to be executed in scorm_api.php
*/
function switch_item_toc($lpId, $userId, $viewId, $currentItem, $nextItem)
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('In switch_item_toc(' . $lpId . ',' . $userId . ',' . $viewId . ',' . $currentItem . ',' . $nextItem . ')', 0);
}
$myLP = learnpath::getLpFromSession(api_get_course_id(), $lpId, $userId);
$newItemId = 0;
$oldItemId = 0;
switch ($nextItem) {
case 'next':
$myLP->set_current_item($currentItem);
$myLP->next();
$newItemId = $myLP->get_current_item_id();
if ($debug > 1) {
error_log('In {next} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
case 'previous':
$myLP->set_current_item($currentItem);
$myLP->previous();
$newItemId = $myLP->get_current_item_id();
if ($debug > 1) {
error_log('In {previous} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
case 'first':
$myLP->set_current_item($currentItem);
$myLP->first();
$newItemId = $myLP->get_current_item_id();
if ($debug > 1) {
error_log('In {first} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked
if ($nextItem == $currentItem) {
// If we're opening the same item again.
$myLP->items[$currentItem]->restart();
} else {
$oldItemId = $currentItem;
}
$newItemId = $nextItem;
$myLP->set_current_item($newItemId);
if ($debug > 1) {
error_log('In {default} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
}
$myLP->start_current_item(true);
if ($myLP->force_commit) {
$myLP->save_current();
}
if (is_object($myLP->items[$newItemId])) {
$myLPI = $myLP->items[$newItemId];
} else {
if ($debug > 1) {
error_log('In switch_item_details - generating new item object', 0);
}
$myLPI = new learnpathItem($newItemId, $userId);
$myLPI->set_lp_view($viewId);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$lessonStatus = $myLPI->get_status();
$interactionsCount = $myLPI->get_interactions_count();
/**
* Interactions are not returned by switch_item at the moment, but please
* leave commented code to allow for the addition of these in the future
*/
/*
$interactionsString = '';
for ($i = 0; $i < $interactionsCount; $i++) {
$interactionsString .= ",[".$i.",'','','','','','','']";
}
if (!empty($interactionsString)) {
$interactionsString = substr($interactionsString, 1);
}
*/
$totalItems = $myLP->get_total_items_count_without_chapters();
$completedItems = $myLP->get_complete_items_count();
$progressMode = $myLP->get_progress_bar_mode();
$progressMode = $progressMode == '' ? '%' : $progressMode;
$nextItemId = $myLP->get_next_item_id();
$previousItemId = $myLP->get_previous_item_id();
$itemType = $myLPI->get_type();
$lessonMode = $myLPI->get_lesson_mode();
$credit = $myLPI->get_credit();
$launchData = $myLPI->get_launch_data();
$objectivesCount = $myLPI->get_objectives_count();
$coreExit = $myLPI->get_core_exit();
$return .= "olms.lms_lp_id=" . $lpId . ";" . "olms.lms_item_id=" . $newItemId . ";" . "olms.lms_old_item_id=" . $oldItemId . ";" . "olms.lms_initialized=0;" . "olms.lms_view_id=" . $viewId . ";" . "olms.lms_user_id=" . $userId . ";" . "olms.next_item=" . $newItemId . ";" . "olms.lms_next_item=" . $nextItemId . ";" . "olms.lms_previous_item=" . $previousItemId . ";" . "olms.lms_item_type = '" . $itemType . "';" . "olms.lms_item_credit = '" . $credit . "';" . "olms.lms_item_lesson_mode = '" . $lessonMode . "';" . "olms.lms_item_launch_data = '" . $launchData . "';" . "olms.lms_item_interactions_count = '" . $interactionsCount . "';" . "olms.lms_item_objectives_count = '" . $objectivesCount . "';" . "olms.lms_item_core_exit = '" . $coreExit . "';" . "olms.asset_timer = 0;";
$return .= "update_toc('unhighlight','" . $currentItem . "');" . "update_toc('highlight','" . $newItemId . "');" . "update_toc('{$lessonStatus}','" . $newItemId . "');" . "update_progress_bar('{$completedItems}','{$totalItems}','{$progressMode}');";
$myLP->set_error_msg('');
$myLP->prerequisites_match();
// Check the prerequisites are all complete.
if ($debug > 1) {
error_log('prerequisites_match() returned ' . htmlentities($myLP->error), 0);
}
$_SESSION['scorm_item_id'] = $newItemId;
// Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($myLP);
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_item)
{
global $charset;
$debug = 0;
if ($debug > 0) {
error_log('In xajax_switch_item_details(' . $lp_id . ',' . $user_id . ',' . $view_id . ',' . $current_item . ',' . $next_item . ')', 0);
}
$objResponse = new xajaxResponse();
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
require_once 'learnpath.class.php';
require_once 'scorm.class.php';
require_once 'aicc.class.php';
require_once 'learnpathItem.class.php';
require_once 'scormItem.class.php';
require_once 'aiccItem.class.php';
$mylp = '';
if (isset($_SESSION['lpobject'])) {
if ($debug > 1) {
error_log('$_SESSION[lpobject] is set', 0);
}
$oLP = unserialize($_SESSION['lpobject']);
if (!is_object($oLP)) {
if ($debug > 1) {
error_log(print_r($oLP, true), 0);
}
if ($debug > 2) {
error_log('Building new lp', 0);
}
unset($oLP);
$code = api_get_course_id();
$mylp = new learnpath($code, $lp_id, $user_id);
} else {
if ($debug > 1) {
error_log('Reusing session lp', 0);
}
$mylp = $oLP;
}
}
$new_item_id = 0;
switch ($next_item) {
case 'next':
$mylp->set_current_item($current_item);
$mylp->next();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {next} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'previous':
$mylp->set_current_item($current_item);
$mylp->previous();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {previous} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'first':
$mylp->set_current_item($current_item);
$mylp->first();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {first} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked.
if ($next_item == $current_item) {
// If we're opening the same item again.
$mylp->items[$current_item]->restart();
}
$new_item_id = $next_item;
$mylp->set_current_item($new_item_id);
if ($debug > 1) {
error_log('In {default} - next item is ' . $new_item_id . '(current: ' . $current_item . ')', 0);
}
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit) {
$mylp->save_current();
}
//$objResponse->addAlert(api_get_path(REL_CODE_PATH).'newscorm/learnpathItem.class.php');
if (is_object($mylp->items[$new_item_id])) {
$mylpi = $mylp->items[$new_item_id];
} else {
if ($debug > 1) {
error_log('In switch_item_details - generating new item object', 0);
}
$mylpi = new learnpathItem($new_item_id, $user_id);
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mylesson_location = $mylpi->get_lesson_location();
$mytotal_time = $mylpi->get_scorm_time('js');
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$objResponse->addScript("score=" . $myscore . ";" . "max=" . $mymax . ";" . "min=" . $mymin . ";" . "lesson_status='" . $mylesson_status . "';" . "lesson_location='" . $mylesson_location . "';" . "session_time='" . $mysession_time . "';" . "suspend_data='" . $mysuspend_data . "';" . "lesson_location='" . $mylesson_location . "';" . "total_time = '" . $mytotal_time . "';" . "mastery_score = '" . $mymastery_score . "';" . "max_time_allowed = '" . $mymax_time_allowed . "';" . "launch_data = '" . $mylaunch_data . "';" . "interactions = new Array();" . "item_objectives = new Array();" . "G_lastError = 0;" . "G_LastErrorMessage = 'No error';");
/*
* and re-initialise the rest
* -saved_lesson_status = 'not attempted'
* -lms_lp_id
* -lms_item_id
* -lms_old_item_id
* -lms_new_item_id
* -lms_been_synchronized
* -lms_initialized
* -lms_total_lessons
* -lms_complete_lessons
* -lms_progress_bar_mode
* -lms_view_id
* -lms_user_id
*/
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = $myprogress_mode == '' ? '%' : $myprogress_mode;
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$objResponse->addScript("saved_lesson_status='not attempted';" . "lms_lp_id=" . $lp_id . ";" . "lms_item_id=" . $new_item_id . ";" . "lms_old_item_id=0;" . "lms_been_synchronized=0;" . "lms_initialized=0;" . "lms_total_lessons=" . $mytotal . ";" . "lms_complete_lessons=" . $mycomplete . ";" . "lms_progress_bar_mod='" . $myprogress_mode . "';" . "lms_view_id=" . $view_id . ";" . "lms_user_id=" . $user_id . ";" . "next_item=" . $new_item_id . ";" . "lms_next_item=" . $mynext . ";" . "lms_previous_item=" . $myprevious . ";" . "lms_item_type = '" . $myitemtype . "';" . "lms_item_credit = '" . $mycredit . "';" . "lms_item_lesson_mode = '" . $mylesson_mode . "';" . "lms_item_launch_data = '" . $mylaunch_data . "';" . "lms_item_interactions_count = '" . $myinteractions_count . "';" . "lms_item_objectives_count = '" . $myinteractions_count . "';" . "lms_item_core_exit = '" . $mycore_exit . "';" . "asset_timer = 0;");
$objResponse->addScript("update_toc('unhighlight','" . $current_item . "');");
$objResponse->addScript("update_toc('highlight','" . $new_item_id . "');");
$objResponse->addScript("update_toc('{$mylesson_status}','" . $new_item_id . "');");
$objResponse->addScript("update_progress_bar('{$mycomplete}','{$mytotal}','{$myprogress_mode}');");
$mylp->set_error_msg('');
$mylp->prerequisites_match();
// Check the prerequisites are all complete.
if ($debug > 1) {
error_log('Prereq_match() returned ' . api_htmlentities($mylp->error, ENT_QUOTES, $charset), 0);
}
$objResponse->addScript("update_message_frame('" . str_replace("'", "\\'", api_htmlentities($mylp->error, ENT_QUOTES, $charset)) . "');");
$_SESSION['scorm_item_id'] = $new_item_id;
// Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($mylp);
return $objResponse;
}