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executable file 120 lines (113 sloc) 4.07 KB
<?php
require_once("../../config.php");
require_once("lib.php");
$id = optional_param('id', '', PARAM_INT); // Course Module ID, or
$a = optional_param('a', '', PARAM_INT); // scorm ID
$scoid = optional_param('scoid', '', PARAM_INT); // sco ID
$mode = optional_param('mode', '', PARAM_ALPHA); // navigation mode
if (!empty($id)) {
if (! $cm = get_record("course_modules", "id", $id)) {
error("Course Module ID was incorrect");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("Course is misconfigured");
}
if (! $scorm = get_record("scorm", "id", $cm->instance)) {
error("Course module is incorrect");
}
} else if (!empty($a)) {
if (! $scorm = get_record("scorm", "id", $a)) {
error("Course module is incorrect");
}
if (! $course = get_record("course", "id", $scorm->course)) {
error("Course is misconfigured");
}
if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id)) {
error("Course Module ID was incorrect");
}
} else {
error('A required parameter is missing');
}
require_login($course->id, false, $cm);
if (!empty($scoid)) {
//
// Direct sco request
//
if ($sco = get_record("scorm_scoes","id",$scoid)) {
if ($sco->launch == '') {
// Search for the next launchable sco
if ($scoes = get_records_select("scorm_scoes","scorm=".$scorm->id." AND launch<>'' AND id>".$sco->id,"id ASC")) {
$sco = current($scoes);
}
}
}
} else {
//
// Search for first incomplete sco
//
if ( $scoes_track = get_records_select("scorm_scoes_track","userid=".$USER->id." AND element='cmi.core.lesson_status' AND scormid=".$scorm->id,"scoid ASC") ) {
$sco_track = current($scoes_track);
while ((($sco_track->value == "completed") || ($sco_track->value == "passed") || ($sco_track->value == "failed")) && ($mode == "normal")) {
$sco_track = next($scoes_track);
}
$sco = get_record("scorm_scoes","id",$sco_track->scoid);
}
}
//
// If no sco was found get the first of SCORM package
//
if (!isset($sco)) {
$scoes = get_records_select("scorm_scoes","scorm=".$scorm->id." AND launch<>''","id ASC");
$sco = current($scoes);
}
//
// Forge SCO URL
//
$connector = '';
$version = substr($scorm->version,0,4);
if (!empty($sco->parameters) || ($version == 'AICC')) {
if (stripos($sco->launch,'?') !== false) {
$connector = '&';
} else {
$connector = '?';
}
if (!empty($sco->parameters) && ($sco->parameters[0] == '?')) {
$sco->parameters = substr($sco->parameters,1);
}
}
if ($version == 'AICC') {
if (!empty($sco->parameters)) {
$sco->parameters = '&'. $sco->parameters;
}
$launcher = $sco->launch.$connector.'aicc_sid='.sesskey().'&aicc_url='.$CFG->wwwroot.'/mod/scorm/aicc.php'.$sco->parameters;
} else {
$launcher = $sco->launch.$connector.$sco->parameters;
}
if (scorm_external_link($sco->launch)) {
$result = $launcher;
} else {
if (basename($scorm->reference) == 'imsmanifest.xml') {
$basedir = dirname($scorm->reference);
} else {
$basedir = 'moddata/scorm/'.$scorm->id;
}
if ($CFG->slasharguments) {
$result = $CFG->wwwroot.'/file.php/'.$scorm->course.'/'.$basedir.'/'.$launcher;
} else {
$result = $CFG->wwwroot.'/file.php?file=/'.$scorm->course.'/'.$basedir.'/'.$launcher;
}
}
?>
<html>
<head>
<title>LoadSCO</title>
<script language="javascript" type="text/javascript">
<!--
setTimeout('document.location = "<?php echo $result ?>";',1000);
-->
</script>
</head>
<body>
&nbsp;
</body>
</html>
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