mirror of
https://github.com/moodle/moodle.git
synced 2025-02-13 12:34:28 +01:00
215 lines
8.1 KiB
PHP
215 lines
8.1 KiB
PHP
<?php
|
|
// This file is part of Moodle - http://moodle.org/
|
|
//
|
|
// Moodle is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Moodle is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
require_once('../../config.php');
|
|
require_once($CFG->dirroot.'/mod/scorm/locallib.php');
|
|
|
|
$id = optional_param('id', '', PARAM_INT); // Course Module ID, or
|
|
$a = optional_param('a', '', PARAM_INT); // scorm ID
|
|
$scoid = required_param('scoid', PARAM_INT); // sco ID
|
|
|
|
$delayseconds = 2; // Delay time before sco launch, used to give time to browser to define API
|
|
|
|
if (!empty($id)) {
|
|
if (! $cm = get_coursemodule_from_id('scorm', $id)) {
|
|
print_error('invalidcoursemodule');
|
|
}
|
|
if (! $course = $DB->get_record('course', array('id'=>$cm->course))) {
|
|
print_error('coursemisconf');
|
|
}
|
|
if (! $scorm = $DB->get_record('scorm', array('id'=>$cm->instance))) {
|
|
print_error('invalidcoursemodule');
|
|
}
|
|
} else if (!empty($a)) {
|
|
if (! $scorm = $DB->get_record('scorm', array('id'=>$a))) {
|
|
print_error('coursemisconf');
|
|
}
|
|
if (! $course = $DB->get_record('course', array('id'=>$scorm->course))) {
|
|
print_error('coursemisconf');
|
|
}
|
|
if (! $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id)) {
|
|
print_error('invalidcoursemodule');
|
|
}
|
|
} else {
|
|
print_error('missingparameter');
|
|
}
|
|
|
|
$PAGE->set_url('/mod/scorm/loadSCO.php', array('scoid'=>$scoid, 'id'=>$cm->id));
|
|
|
|
require_login($course->id, false, $cm);
|
|
|
|
//check if scorm closed
|
|
$timenow = time();
|
|
if ($scorm->timeclose !=0) {
|
|
if ($scorm->timeopen > $timenow) {
|
|
print_error('notopenyet', 'scorm', null, userdate($scorm->timeopen));
|
|
} else if ($timenow > $scorm->timeclose) {
|
|
print_error('expired', 'scorm', null, userdate($scorm->timeclose));
|
|
}
|
|
}
|
|
|
|
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
|
|
|
|
if (!empty($scoid)) {
|
|
//
|
|
// Direct SCO request
|
|
//
|
|
if ($sco = scorm_get_sco($scoid)) {
|
|
if ($sco->launch == '') {
|
|
// Search for the next launchable sco
|
|
if ($scoes = $DB->get_records_select('scorm_scoes', "scorm = ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true).' AND id > ?", array($scorm->id, $sco->id), 'id ASC')) {
|
|
$sco = current($scoes);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//
|
|
// If no sco was found get the first of SCORM package
|
|
//
|
|
if (!isset($sco)) {
|
|
$scoes = $DB->get_records_select('scorm_scoes', "scorm = ? AND ".$DB->sql_isnotempty('scorm_scoes', 'launch', false, true), array($scorm->id), 'id ASC');
|
|
$sco = current($scoes);
|
|
}
|
|
|
|
if ($sco->scormtype == 'asset') {
|
|
$attempt = scorm_get_last_attempt($scorm->id, $USER->id);
|
|
$element = (scorm_version_check($scorm->version, SCORM_13)) ? 'cmi.completion_status':'cmi.core.lesson_status';
|
|
$value = 'completed';
|
|
$result = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value);
|
|
}
|
|
|
|
//
|
|
// Forge SCO URL
|
|
//
|
|
$connector = '';
|
|
$version = substr($scorm->version, 0, 4);
|
|
if ((isset($sco->parameters) && (!empty($sco->parameters))) || ($version == 'AICC')) {
|
|
if (stripos($sco->launch, '?') !== false) {
|
|
$connector = '&';
|
|
} else {
|
|
$connector = '?';
|
|
}
|
|
if ((isset($sco->parameters) && (!empty($sco->parameters))) && ($sco->parameters[0] == '?')) {
|
|
$sco->parameters = substr($sco->parameters, 1);
|
|
}
|
|
}
|
|
|
|
if ($version == 'AICC') {
|
|
$sco_params = '';
|
|
if (isset($sco->parameters) && (!empty($sco->parameters))) {
|
|
$sco_params = '&'. $sco->parameters;
|
|
}
|
|
$launcher = $sco->launch.$connector.'aicc_sid='.sesskey().'&aicc_url='.$CFG->wwwroot.'/mod/scorm/aicc.php'.$sco_params;
|
|
} else {
|
|
if (isset($sco->parameters) && (!empty($sco->parameters))) {
|
|
$launcher = $sco->launch.$connector.$sco->parameters;
|
|
} else {
|
|
$launcher = $sco->launch;
|
|
}
|
|
}
|
|
|
|
if (scorm_external_link($sco->launch)) {
|
|
//TODO: does this happen?
|
|
$result = $launcher;
|
|
} else if ($scorm->scormtype === SCORM_TYPE_EXTERNAL) {
|
|
// Remote learning activity
|
|
$result = dirname($scorm->reference).'/'.$launcher;
|
|
} else if ($scorm->scormtype === SCORM_TYPE_IMSREPOSITORY) {
|
|
// Repository
|
|
$result = $CFG->repositorywebroot.substr($scorm->reference, 1).'/'.$sco->launch;
|
|
} else if ($scorm->scormtype === SCORM_TYPE_LOCAL or $scorm->scormtype === SCORM_TYPE_LOCALSYNC) {
|
|
//note: do not convert this to use get_file_url() or moodle_url()
|
|
//SCORM does not work without slasharguments and moodle_url() encodes querystring vars
|
|
$result = "$CFG->wwwroot/pluginfile.php/$context->id/mod_scorm/content/$scorm->revision/$launcher";
|
|
}
|
|
|
|
// which API are we looking for
|
|
$LMS_api = (scorm_version_check($scorm->version, SCORM_12) || empty($scorm->version)) ? 'API' : 'API_1484_11';
|
|
?>
|
|
<html>
|
|
<head>
|
|
<title>LoadSCO</title>
|
|
<script type="text/javascript">
|
|
//<![CDATA[
|
|
var myApiHandle = null;
|
|
var myFindAPITries = 0;
|
|
|
|
function myGetAPIHandle() {
|
|
myFindAPITries = 0;
|
|
if (myApiHandle == null) {
|
|
myApiHandle = myGetAPI();
|
|
}
|
|
return myApiHandle;
|
|
}
|
|
|
|
function myFindAPI(win) {
|
|
while ((win.<?php echo $LMS_api; ?> == null) && (win.parent != null) && (win.parent != win)) {
|
|
myFindAPITries++;
|
|
// Note: 7 is an arbitrary number, but should be more than sufficient
|
|
if (myFindAPITries > 7) {
|
|
return null;
|
|
}
|
|
win = win.parent;
|
|
}
|
|
return win.<?php echo $LMS_api; ?>;
|
|
}
|
|
|
|
// hun for the API - needs to be loaded before we can launch the package
|
|
function myGetAPI() {
|
|
var theAPI = myFindAPI(window);
|
|
if ((theAPI == null) && (window.opener != null) && (typeof(window.opener) != "undefined")) {
|
|
theAPI = myFindAPI(window.opener);
|
|
}
|
|
if (theAPI == null) {
|
|
return null;
|
|
}
|
|
return theAPI;
|
|
}
|
|
|
|
function doredirect() {
|
|
if (myGetAPIHandle() != null) {
|
|
location = "<?php echo $result ?>";
|
|
}
|
|
else {
|
|
document.body.innerHTML = "<p><?php echo get_string('activityloading', 'scorm');?> <span id='countdown'><?php echo $delayseconds ?></span> <?php echo get_string('numseconds', 'moodle', '');?>. <img src='<?php echo $OUTPUT->pix_url('wait', 'scorm') ?>'><p>";
|
|
var e = document.getElementById("countdown");
|
|
var cSeconds = parseInt(e.innerHTML);
|
|
var timer = setInterval(function() {
|
|
if( cSeconds && myGetAPIHandle() == null ) {
|
|
e.innerHTML = --cSeconds;
|
|
} else {
|
|
clearInterval(timer);
|
|
document.body.innerHTML = "<p><?php echo get_string('activitypleasewait', 'scorm');?></p>";
|
|
location = "<?php echo $result ?>";
|
|
}
|
|
}, 1000);
|
|
}
|
|
}
|
|
//]]>
|
|
</script>
|
|
<noscript>
|
|
<meta http-equiv="refresh" content="0;url=<?php echo $result ?>" />
|
|
</noscript>
|
|
</head>
|
|
<body onload="doredirect();">
|
|
<p><?php echo get_string('activitypleasewait', 'scorm');?></p>
|
|
<?php if (debugging('', DEBUG_DEVELOPER)) {
|
|
add_to_log($course->id, 'scorm', 'launch', 'view.php?id='.$cm->id, $result, $cm->id);
|
|
}
|
|
?>
|
|
</body>
|
|
</html>
|