mirror of
https://github.com/moodle/moodle.git
synced 2025-01-18 22:08:20 +01:00
1152 lines
42 KiB
PHP
Executable File
1152 lines
42 KiB
PHP
Executable File
<?php // $Id$
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/// Library of functions and constants for module scorm
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/// (replace scorm with the name of your module and delete this line)
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define('VALUESCOES', '0');
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define('VALUEHIGHEST', '1');
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define('VALUEAVERAGE', '2');
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define('VALUESUM', '3');
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$SCORM_GRADE_METHOD = array (VALUESCOES => get_string('gradescoes', 'scorm'),
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VALUEHIGHEST => get_string('gradehighest', 'scorm'),
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VALUEAVERAGE => get_string('gradeaverage', 'scorm'),
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VALUESUM => get_string('gradesum', 'scorm'));
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//if (!isset($CFG->scorm_validate)) {
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// $scormvalidate = 'none';
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// if (extension_loaded('domxml') && version_compare(phpversion(),'5.0.0','<')) {
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// $scormvalidate = 'domxml';
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// }
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// if (version_compare(phpversion(),'5.0.0','>=')) {
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// $scormvalidate = 'php5';
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// }
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// set_config('scorm_validate', $scormvalidate);
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//}
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if (!isset($CFG->scorm_frameheight)) {
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set_config('scorm_frameheight','600');
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}
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if (!isset($CFG->scorm_framewidth)) {
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set_config('scorm_framewidth','800');
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}
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function scorm_add_instance($scorm) {
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/// Given an object containing all the necessary data,
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/// (defined by the form in mod.html) this function
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/// will create a new instance and return the id number
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/// of the new instance.
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$scorm->timemodified = time();
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# May have to add extra stuff in here #
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global $CFG;
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$id = insert_record('scorm', $scorm);
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//
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// Rename temp scorm dir to scorm id
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//
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$scormdir = $CFG->dataroot.'/'.$scorm->course.'/moddata/scorm';
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rename($scormdir.$scorm->datadir,$scormdir.'/'.$id);
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//
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// Parse scorm manifest
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//
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if ($scorm->launch == 0) {
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$scorm->launch = scorm_parse($scormdir.'/'.$id,$scorm->pkgtype,$id);
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set_field('scorm','launch',$scorm->launch,'id',$id);
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}
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return $id;
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}
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function scorm_update_instance($scorm) {
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/// Given an object containing all the necessary data,
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/// (defined by the form in mod.html) this function
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/// will update an existing instance with new data.
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$scorm->timemodified = time();
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$scorm->id = $scorm->instance;
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# May have to add extra stuff in here #
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global $CFG;
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//
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// Check if scorm manifest needs to be reparsed
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//
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if ($scorm->launch == 0) {
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$scormdir = $CFG->dataroot.'/'.$scorm->course.'/moddata/scorm';
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if (isset($scorm->datadir) && ($scorm->datadir != $scorm->id)) {
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scorm_delete_files($scormdir.'/'.$scorm->id);
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rename($scormdir.$scorm->datadir,$scormdir.'/'.$scorm->id);
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}
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$scorm->launch = scorm_parse($scormdir.'/'.$scorm->id,$scorm->pkgtype,$scorm->id);
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}
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return update_record('scorm', $scorm);
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}
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function scorm_delete_instance($id) {
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/// Given an ID of an instance of this module,
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/// this function will permanently delete the instance
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/// and any data that depends on it.
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require('../config.php');
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if (! $scorm = get_record('scorm', 'id', $id)) {
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return false;
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}
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$result = true;
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# Delete any dependent files #
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scorm_delete_files($CFG->dataroot.'/'.$scorm->course.'/moddata/scorm/'.$scorm->id);
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# Delete any dependent records here #
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if (! delete_records('scorm_scoes_track', 'scormid', $scorm->id)) {
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$result = false;
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}
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if (! delete_records('scorm_scoes', 'scorm', $scorm->id)) {
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$result = false;
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}
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if (! delete_records('scorm', 'id', $scorm->id)) {
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$result = false;
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}
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return $result;
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}
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function scorm_user_outline($course, $user, $mod, $scorm) {
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/// Return a small object with summary information about what a
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/// user has done with a given particular instance of this module
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/// Used for user activity reports.
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$return = NULL;
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$scores->values = 0;
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$scores->sum = 0;
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$scores->max = 0;
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$scores->lastmodify = 0;
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$scores->count = 0;
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if ($scoes = get_records_select("scorm_scoes","scorm='$scorm->id' ORDER BY id")) {
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foreach ($scoes as $sco) {
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if ($sco->launch!='') {
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$scores->count++;
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if ($userdata = scorm_get_tracks($sco->id, $user->id)) {
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if (!isset($scores->{$userdata->status})) {
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$scores->{$userdata->status} = 1;
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} else {
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$scores->{$userdata->status}++;
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}
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if (!empty($userdata->score_raw)) {
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$scores->values++;
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$scores->sum += $userdata->score_raw;
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$scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
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}
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if (isset($userdata->timemodified) && ($userdata->timemodified > $scores->lastmodify)) {
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$scores->lastmodify = $userdata->timemodified;
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}
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}
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}
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}
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switch ($scorm->grademethod) {
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case VALUEHIGHEST:
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if ($scores->values > 0) {
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$return->info = get_string('score','scorm').': '.$scores->max;
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$return->time = $scores->lastmodify;
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}
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break;
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case VALUEAVERAGE:
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if ($scores->values > 0) {
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$return->info = get_string('score','scorm').': '.$scores->sum/$scores->values;
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$return->time = $scores->lastmodify;
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}
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break;
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case VALUESUM:
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if ($scores->values > 0) {
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$return->info = get_string('score','scorm').': '.$scores->sum;
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$return->time = $scores->lastmodify;
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}
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break;
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case VALUESCOES:
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$return->info = '';
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$scores->notattempted = $scores->count;
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if (isset($scores->completed)) {
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$return->info .= get_string('completed','scorm').': '.$scores->completed.'<br />';
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$scores->notattempted -= $scores->completed;
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}
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if (isset($scores->passed)) {
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$return->info .= get_string('passed','scorm').': '.$scores->passed.'<br />';
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$scores->notattempted -= $scores->passed;
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}
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if (isset($scores->failed)) {
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$return->info .= get_string('failed','scorm').': '.$scores->failed.'<br />';
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$scores->notattempted -= $scores->failed;
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}
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if (isset($scores->incomplete)) {
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$return->info .= get_string('incomplete','scorm').': '.$scores->incomplete.'<br />';
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$scores->notattempted -= $scores->incomplete;
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}
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if (isset($scores->browsed)) {
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$return->info .= get_string('browsed','scorm').': '.$scores->browsed.'<br />';
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$scores->notattempted -= $scores->browsed;
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}
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$return->time = $scores->lastmodify;
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if ($return->info == '') {
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$return = NULL;
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} else {
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$return->info .= get_string('notattempted','scorm').': '.$scores->notattempted.'<br />';
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}
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break;
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}
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}
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return $return;
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}
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function scorm_user_complete($course, $user, $mod, $scorm) {
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/// Print a detailed representation of what a user has done with
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/// a given particular instance of this module, for user activity reports.
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global $CFG;
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$liststyle = 'structlist';
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$scormpixdir = $CFG->wwwroot.'/mod/scorm/pix/';
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$now = time();
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$firstmodify = $now;
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$lastmodify = 0;
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$sometoreport = false;
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$report = '';
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if ($orgs = get_records_select('scorm_scoes',"scorm='$scorm->id' AND organization='' AND launch=''",'id','id,identifier,title')) {
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if (count($orgs) <= 1) {
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unset($orgs);
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$orgs[]->identifier = '';
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}
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foreach ($orgs as $org) {
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$organizationsql = '';
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$currentorg = '';
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if (!empty($org->identifier)) {
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$report .= '<div class="orgtitle">'.$org->title.'</div>';
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$currentorg = $org->identifier;
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$organizationsql = "AND organization='$currentorg'";
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}
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$report .= "<ul id='0' class='$liststyle'>";
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if ($scoes = get_records_select('scorm_scoes',"scorm='$scorm->id' $organizationsql order by id ASC")){
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$level=0;
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$sublist=1;
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$parents[$level]='/';
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foreach ($scoes as $sco) {
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if ($parents[$level]!=$sco->parent) {
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if ($level>0 && $parents[$level-1]==$sco->parent) {
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$report .= "\t\t</ul></li>\n";
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$level--;
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} else {
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$i = $level;
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$closelist = '';
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while (($i > 0) && ($parents[$level] != $sco->parent)) {
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$closelist .= "\t\t</ul></li>\n";
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$i--;
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}
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if (($i == 0) && ($sco->parent != $currentorg)) {
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$report .= "\t\t<li><ul id='$sublist' class='$liststyle'>\n";
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$level++;
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} else {
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$report .= $closelist;
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$level = $i;
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}
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$parents[$level]=$sco->parent;
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}
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}
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$report .= "\t\t<li>";
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$nextsco = next($scoes);
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if (($nextsco !== false) && ($sco->parent != $nextsco->parent) && (($level==0) || (($level>0) && ($nextsco->parent == $sco->identifier)))) {
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$sublist++;
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} else {
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$report .= '<img src="'.$scormpixdir.'spacer.gif" />';
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}
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if ($sco->launch) {
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$score = '';
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$totaltime = '';
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if ($usertrack=scorm_get_tracks($sco->id,$user->id)) {
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if ($usertrack->status == '') {
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$usertrack->status = 'notattempted';
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}
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$strstatus = get_string($usertrack->status,'scorm');
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$report .= "<img src='".$scormpixdir.$usertrack->status.".gif' alt='$strstatus' title='$strstatus' />";
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//if ($usertrack->score_raw != '') {
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// $score = ' - ('.get_string('score','scorm').': '.$usertrack->score_raw.')';
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//}
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//if ($usertrack->total_time != '00:00:00') {
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// $totaltime = ' - ('.get_string('totaltime','scorm').': '.$usertrack->total_time.')';
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//}
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if ($usertrack->timemodified != 0) {
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if ($usertrack->timemodified > $lastmodify) {
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$lastmodify = $usertrack->timemodified;
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}
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if ($usertrack->timemodified < $firstmodify) {
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$firstmodify = $usertrack->timemodified;
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}
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}
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} else {
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if ($sco->scormtype == 'sco') {
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$report .= '<img src="'.$scormpixdir.'notattempted.gif" alt="'.get_string('notattempted','scorm').'" title="'.get_string('notattempted','scorm').'" />';
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} else {
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$report .= '<img src="'.$scormpixdir.'asset.gif" alt="'.get_string('asset','scorm').'" title="'.get_string('asset','scorm').'" />';
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}
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}
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$report .= " $sco->title $score$totaltime</li>\n";
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if ($usertrack !== false) {
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$sometoreport = true;
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$report .= "\t\t\t<li><ul class='$liststyle'>\n";
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foreach($usertrack as $element => $value) {
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if (substr($element,0,3) == 'cmi') {
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$report .= '<li>'.$element.' => '.$value.'</li>';
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}
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}
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$report .= "\t\t\t</ul></li>\n";
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}
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} else {
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$report .= " $sco->title</li>\n";
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}
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}
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for ($i=0;$i<$level;$i++) {
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$report .= "\t\t</ul></li>\n";
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}
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}
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$report .= "\t</ul><br />\n";
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}
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}
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if ($sometoreport) {
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if ($firstmodify < $now) {
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$timeago = format_time($now - $firstmodify);
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echo get_string('firstaccess','scorm').': '.userdate($firstmodify).' ('.$timeago.")<br />\n";
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}
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if ($lastmodify > 0) {
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$timeago = format_time($now - $lastmodify);
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echo get_string('lastaccess','scorm').': '.userdate($lastmodify).' ('.$timeago.")<br />\n";
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}
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echo get_string('report','scorm').":<br />\n";
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echo $report;
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} else {
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print_string('noactivity','scorm');
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}
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return true;
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}
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function scorm_print_recent_activity(&$logs, $isteacher=false) {
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/// Given a list of logs, assumed to be those since the last login
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/// this function prints a short list of changes related to this module
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/// If isteacher is true then perhaps additional information is printed.
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/// This function is called from course/lib.php: print_recent_activity()
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return false; // True if anything was printed, otherwise false
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}
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function scorm_cron () {
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/// Function to be run periodically according to the moodle cron
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/// This function searches for things that need to be done, such
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/// as sending out mail, toggling flags etc ...
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global $CFG;
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return true;
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}
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function scorm_grades($scormid) {
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/// Must return an array of grades for a given instance of this module,
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/// indexed by user. It also returns a maximum allowed grade.
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global $CFG;
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if (!$scorm = get_record('scorm', 'id', $scormid)) {
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return NULL;
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}
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if (!$scoes = get_records('scorm_scoes','scorm',$scormid)) {
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return NULL;
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}
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if ($scorm->grademethod == VALUESCOES) {
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if (!$return->maxgrade = count_records_select('scorm_scoes',"scorm='$scormid' AND launch<>''")) {
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return NULL;
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}
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} else {
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$return->maxgrade = $scorm->maxgrade;
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}
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$return->grades = NULL;
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if ($scousers=get_records_select('scorm_scoes_track', "scormid='$scormid' GROUP BY userid", "", "userid,null")) {
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foreach ($scousers as $scouser) {
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$scores = NULL;
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$scores->scoes = 0;
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$scores->values = 0;
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$scores->max = 0;
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$scores->sum = 0;
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foreach ($scoes as $sco) {
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$userdata=scorm_get_tracks($sco->id, $scouser->userid);
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if (($userdata->status == 'completed') || ($userdata->status == 'passed')) {
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$scores->scoes++;
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}
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if (!empty($userdata->score_raw)) {
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$scores->values++;
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$scores->sum += $userdata->score_raw;
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$scores->max = ($userdata->score_raw > $scores->max)?$userdata->score_raw:$scores->max;
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}
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}
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switch ($scorm->grademethod) {
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case VALUEHIGHEST:
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$return->grades[$scouser->userid] = $scores->max;
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break;
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case VALUEAVERAGE:
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if ($scores->values > 0) {
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$return->grades[$scouser->userid] = $scores->sum/$scores->values;
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} else {
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$return->grades[$scouser->userid] = 0;
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}
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break;
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case VALUESUM:
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$return->grades[$scouser->userid] = $scores->sum;
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break;
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case VALUESCOES:
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$return->grades[$scouser->userid] = $scores->scoes;
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break;
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}
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}
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}
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return $return;
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}
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//////////////////////////////////////////////////////////////////////////////////////
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/// Any other scorm functions go here. Each of them must have a name that
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/// starts with scorm_
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function scorm_randstring($len = '8') {
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$rstring = NULL;
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$lchar = '';
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for ($i=0; $i<$len; $i++) {
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$char = chr(rand(48,122));
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while (!ereg('[a-zA-Z0-9]', $char)){
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if ($char == $lchar) continue;
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$char = chr(rand(48,90));
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}
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$rstring .= $char;
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$lchar = $char;
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}
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return $rstring;
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}
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function scorm_datadir($strPath, $existingdir='')
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{
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global $CFG;
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if (($existingdir!='') && (is_dir($strPath.'/'.$existingdir)))
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return $strPath.'/'.$existingdir;
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if (is_dir($strPath)) {
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do {
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$datadir='/'.scorm_randstring();
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} while (file_exists($strPath.$datadir));
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mkdir($strPath.$datadir, $CFG->directorypermissions);
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@chmod($strPath.$datadir, $CFG->directorypermissions); // Just in case mkdir didn't do it
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return $strPath.$datadir;
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} else {
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return false;
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}
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}
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function scorm_validate($packagedir) {
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if (is_file($packagedir.'/imsmanifest.xml')) {
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$validation->result = 'found';
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$validation->pkgtype = 'SCORM';
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} else {
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if ($handle = opendir($packagedir)) {
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while (($file = readdir($handle)) !== false) {
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$ext = substr($file,strrpos($file,'.'));
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if (strtolower($ext) == '.cst') {
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$validation->result = 'found';
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$validation->pkgtype = 'AICC';
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break;
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}
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}
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closedir($handle);
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}
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if (!isset($validation)) {
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$validation->result = 'nomanifest';
|
|
$validation->pkgtype = 'SCORM';
|
|
}
|
|
}
|
|
return $validation;
|
|
}
|
|
|
|
function scorm_delete_files($directory) {
|
|
if (is_dir($directory)) {
|
|
$files=scorm_scandir($directory);
|
|
foreach($files as $file) {
|
|
if (($file != '.') && ($file != '..')) {
|
|
if (!is_dir($directory.'/'.$file)) {
|
|
unlink($directory.'/'.$file);
|
|
} else {
|
|
scorm_delete_files($directory.'/'.$file);
|
|
}
|
|
}
|
|
}
|
|
rmdir($directory);
|
|
}
|
|
}
|
|
|
|
function scorm_scandir($directory) {
|
|
if (version_compare(phpversion(),'5.0.0','>=')) {
|
|
return scandir($directory);
|
|
} else {
|
|
$files = null;
|
|
if ($dh = opendir($directory)) {
|
|
while (($file = readdir($dh)) !== false) {
|
|
$files[] = $file;
|
|
}
|
|
closedir($dh);
|
|
}
|
|
return $files;
|
|
}
|
|
}
|
|
|
|
function scorm_startElement($parser, $name, $attrs) {
|
|
|
|
global $scoes,$i,$resources,$parent,$level,$organization,$manifest,$defaultorg;
|
|
|
|
switch ($name) {
|
|
case 'ITEM':
|
|
$i++;
|
|
$scoes[$i]['manifest'] = $manifest;
|
|
$scoes[$i]['organization'] = $organization;
|
|
$scoes[$i]['identifier'] = $attrs['IDENTIFIER'];
|
|
if (empty($attrs['IDENTIFIERREF'])) {
|
|
$attrs['IDENTIFIERREF'] = '';
|
|
}
|
|
$scoes[$i]['identifierref'] = $attrs['IDENTIFIERREF'];
|
|
if (empty($attrs['ISVISIBLE'])) {
|
|
$attrs['ISVISIBLE'] = '';
|
|
}
|
|
$scoes[$i]['isvisible'] = $attrs['ISVISIBLE'];
|
|
if (empty($attrs['PARAMETERS'])) {
|
|
$attrs['PARAMETERS'] = '';
|
|
}
|
|
$scoes[$i]['parameters'] = $attrs['PARAMETERS'];
|
|
$scoes[$i]['parent'] = $parent[$level];
|
|
$level++;
|
|
$parent[$level] = $attrs['IDENTIFIER'];
|
|
break;
|
|
case 'RESOURCE':
|
|
if (!isset($attrs['HREF'])) {
|
|
$attrs['HREF'] = '';
|
|
}
|
|
$resources[$attrs['IDENTIFIER']]['href']=$attrs['HREF'];
|
|
if (!isset($attrs['ADLCP:SCORMTYPE'])) {
|
|
$attrs['ADLCP:SCORMTYPE'] = 'sco'; //Default scorm type
|
|
}
|
|
$resources[$attrs['IDENTIFIER']]['scormtype']=$attrs['ADLCP:SCORMTYPE'];
|
|
break;
|
|
case 'ORGANIZATION':
|
|
$i++;
|
|
$scoes[$i]['manifest'] = $manifest;
|
|
$scoes[$i]['organization'] = '';
|
|
$scoes[$i]['identifier'] = $attrs['IDENTIFIER'];
|
|
$scoes[$i]['identifierref'] = '';
|
|
$scoes[$i]['isvisible'] = '';
|
|
$scoes[$i]['parent'] = $parent[$level];
|
|
$level++;
|
|
$parent[$level] = $attrs['IDENTIFIER'];
|
|
$organization = $attrs['IDENTIFIER'];
|
|
break;
|
|
case 'MANIFEST':
|
|
$manifest = $attrs['IDENTIFIER'];
|
|
break;
|
|
case 'ORGANIZATIONS':
|
|
if (!isset($attrs['DEFAULT'])) {
|
|
$attrs['DEFAULT'] = '';
|
|
}
|
|
$defaultorg = $attrs['DEFAULT'];
|
|
break;
|
|
}
|
|
}
|
|
|
|
function scorm_endElement($parser, $name) {
|
|
global $scoes,$i,$level,$datacontent,$manifest,$organization,$version;
|
|
|
|
$datacontent = trim($datacontent);
|
|
|
|
if ($name == 'ITEM') {
|
|
$level--;
|
|
}
|
|
//if ($name == 'TITLE' && $level>0) {
|
|
if (($name == 'TITLE') && !isset($scoes[$i]['title'])) {
|
|
$scoes[$i]['title'] = $datacontent;
|
|
}
|
|
if ($name == 'ADLCP:HIDERTSUI') {
|
|
$scoes[$i][$datacontent] = 1;
|
|
}
|
|
if ($name == 'ADLCP:DATAFROMLMS') {
|
|
$scoes[$i]['datafromlms'] = $datacontent;
|
|
}
|
|
if ($name == 'ADLCP:PREREQUISITES') {
|
|
$scoes[$i]['prerequisites'] = $datacontent;
|
|
}
|
|
if ($name == 'ADLCP:MAXTIMEALLOWED') {
|
|
$scoes[$i]['maxtimeallowed'] = $datacontent;
|
|
}
|
|
if ($name == 'ADLCP:TIMELIMITACTION') {
|
|
$scoes[$i]['timelimitaction'] = $datacontent;
|
|
}
|
|
if ($name == 'ADLCP:MASTERYSCORE') {
|
|
$scoes[$i]['masteryscore'] = $datacontent;
|
|
}
|
|
if ($name == 'ORGANIZATION') {
|
|
$organization = '';
|
|
$level--;
|
|
}
|
|
if ($name == 'MANIFEST') {
|
|
$manifest = '';
|
|
}
|
|
if ($name == 'SCHEMAVERSION') {
|
|
if (preg_match("/^(1\.2)$|^(CAM )?(1\.3)$/",$datacontent,$matches)) {
|
|
$version = 'SCORM_'.$matches[count($matches)-1];
|
|
} else {
|
|
$version = 'SCORM_1.2';
|
|
}
|
|
}
|
|
$datacontent = '';
|
|
}
|
|
|
|
function scorm_characterData($parser, $data) {
|
|
global $datacontent;
|
|
$datacontent .= utf8_decode($data);
|
|
}
|
|
|
|
function scorm_parse($pkgdir,$pkgtype,$scormid){
|
|
if ($pkgtype == 'AICC') {
|
|
return scorm_parse_aicc($pkgdir,$scormid);
|
|
} else {
|
|
return scorm_parse_scorm($pkgdir,'/imsmanifest.xml',$scormid);
|
|
}
|
|
}
|
|
|
|
function scorm_get_aicc_columns($row,$mastername='system_id') {
|
|
$tok = strtok(strtolower($row),"\",\n\r");
|
|
$result->columns = array();
|
|
$i=0;
|
|
while ($tok) {
|
|
if ($tok !='') {
|
|
$result->columns[] = $tok;
|
|
if ($tok == $mastername) {
|
|
$result->mastercol = $i;
|
|
}
|
|
$i++;
|
|
}
|
|
$tok = strtok("\",\n\r");
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
function scorm_forge_cols_regexp($columns,$remodule='(".*")?,') {
|
|
$regexp = '/^';
|
|
foreach ($columns as $column) {
|
|
$regexp .= $remodule;
|
|
}
|
|
$regexp = substr($regexp,0,-1) . '/';
|
|
return $regexp;
|
|
}
|
|
|
|
function scorm_parse_aicc($pkgdir,$scormid){
|
|
$version = 'AICC';
|
|
$ids = array();
|
|
$courses = array();
|
|
if ($handle = opendir($pkgdir)) {
|
|
while (($file = readdir($handle)) !== false) {
|
|
$ext = substr($file,strrpos($file,'.'));
|
|
$extension = strtolower(substr($ext,1));
|
|
$id = strtolower(basename($file,$ext));
|
|
$ids[$id]->$extension = $file;
|
|
}
|
|
closedir($handle);
|
|
}
|
|
foreach ($ids as $courseid => $id) {
|
|
if (isset($id->crs)) {
|
|
if (is_file($pkgdir.'/'.$id->crs)) {
|
|
$rows = file($pkgdir.'/'.$id->crs);
|
|
foreach ($rows as $row) {
|
|
if (preg_match("/^(.+)=(.+)$/",$row,$matches)) {
|
|
switch (strtolower(trim($matches[1]))) {
|
|
case 'course_id':
|
|
$courses[$courseid]->id = trim($matches[2]);
|
|
break;
|
|
case 'course_title':
|
|
$courses[$courseid]->title = trim($matches[2]);
|
|
break;
|
|
case 'version':
|
|
$courses[$courseid]->version = 'AICC_'.trim($matches[2]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->des)) {
|
|
$rows = file($pkgdir.'/'.$id->des);
|
|
$columns = scorm_get_aicc_columns($rows[0]);
|
|
$regexp = scorm_forge_cols_regexp($columns->columns);
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
for ($j=0;$j<count($columns->columns);$j++) {
|
|
$column = $columns->columns[$j];
|
|
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->au)) {
|
|
$rows = file($pkgdir.'/'.$id->au);
|
|
$columns = scorm_get_aicc_columns($rows[0]);
|
|
$regexp = scorm_forge_cols_regexp($columns->columns);
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
for ($j=0;$j<count($columns->columns);$j++) {
|
|
$column = $columns->columns[$j];
|
|
$courses[$courseid]->elements[substr(trim($matches[$columns->mastercol+1]),1,-1)]->$column = substr(trim($matches[$j+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->cst)) {
|
|
$rows = file($pkgdir.'/'.$id->cst);
|
|
$columns = scorm_get_aicc_columns($rows[0],'block');
|
|
$regexp = scorm_forge_cols_regexp($columns->columns,'(.+)?,');
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
for ($j=0;$j<count($columns->columns);$j++) {
|
|
if ($j != $columns->mastercol) {
|
|
$courses[$courseid]->elements[substr(trim($matches[$j+1]),1,-1)]->parent = substr(trim($matches[$columns->mastercol+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->ort)) {
|
|
$rows = file($pkgdir.'/'.$id->ort);
|
|
}
|
|
if (isset($id->pre)) {
|
|
$rows = file($pkgdir.'/'.$id->pre);
|
|
$columns = scorm_get_aicc_columns($rows[0],'structure_element');
|
|
$regexp = scorm_forge_cols_regexp($columns->columns,'(.+),');
|
|
for ($i=1;$i<count($rows);$i++) {
|
|
if (preg_match($regexp,$rows[$i],$matches)) {
|
|
$courses[$courseid]->elements[$columns->mastercol+1]->prerequisites = substr(trim($matches[1-$columns->mastercol+1]),1,-1);
|
|
}
|
|
}
|
|
}
|
|
if (isset($id->cmp)) {
|
|
$rows = file($pkgdir.'/'.$id->cmp);
|
|
}
|
|
}
|
|
//print_r($courses);
|
|
$launch = 0;
|
|
if (isset($courses)) {
|
|
foreach ($courses as $course) {
|
|
unset($sco);
|
|
$sco->identifier = $course->id;
|
|
$sco->scorm = $scormid;
|
|
$sco->organization = '';
|
|
$sco->title = $course->title;
|
|
$sco->parent = '/';
|
|
$sco->launch = '';
|
|
$sco->scormtype = '';
|
|
//print_r($sco);
|
|
$id = insert_record('scorm_scoes',$sco);
|
|
if ($launch == 0) {
|
|
$launch = $id;
|
|
}
|
|
if (isset($course->elements)) {
|
|
foreach($course->elements as $element) {
|
|
unset($sco);
|
|
$sco->identifier = $element->system_id;
|
|
$sco->scorm = $scormid;
|
|
$sco->organization = $course->id;
|
|
$sco->title = $element->title;
|
|
if (strtolower($element->parent) == 'root') {
|
|
$sco->parent = '/';
|
|
} else {
|
|
$sco->parent = $element->parent;
|
|
}
|
|
if (isset($element->file_name)) {
|
|
$sco->launch = $element->file_name;
|
|
$sco->scormtype = 'sco';
|
|
} else {
|
|
$element->file_name = '';
|
|
$sco->scormtype = '';
|
|
}
|
|
if (!isset($element->prerequisites)) {
|
|
$element->prerequisites = '';
|
|
}
|
|
$sco->prerequisites = $element->prerequisites;
|
|
if (!isset($element->max_time_allowed)) {
|
|
$element->max_time_allowed = '';
|
|
}
|
|
$sco->maxtimeallowed = $element->max_time_allowed;
|
|
if (!isset($element->time_limit_action)) {
|
|
$element->time_limit_action = '';
|
|
}
|
|
$sco->timelimitaction = $element->time_limit_action;
|
|
if (!isset($element->mastery_score)) {
|
|
$element->mastery_score = '';
|
|
}
|
|
$sco->masteryscore = $element->mastery_score;
|
|
$sco->previous = 0;
|
|
$sco->next = 0;
|
|
$id = insert_record('scorm_scoes',$sco);
|
|
if ($launch==0) {
|
|
$launch = $id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
set_field('scorm','version','AICC','id',$scormid);
|
|
return $launch;
|
|
}
|
|
|
|
function scorm_parse_scorm($pkgdir,$file,$scormid) {
|
|
global $scoes,$i,$resources,$parent,$level,$defaultorg,$version,$organization,$manifest;
|
|
$datacontent = '';
|
|
$scoes[][] = '';
|
|
$resources[] = '';
|
|
$manifest = '';
|
|
$version = 'SCORM';
|
|
$organization = '';
|
|
$defaultorg = '';
|
|
$i = 0;
|
|
$level = 0;
|
|
$parent[$level] = '/';
|
|
|
|
$xmlparser = xml_parser_create('UTF-8');
|
|
// use case-folding so we are sure to find the tag in $map_array
|
|
xml_parser_set_option($xmlparser, XML_OPTION_CASE_FOLDING, true);
|
|
xml_set_element_handler($xmlparser, 'scorm_startElement', 'scorm_endElement');
|
|
xml_set_character_data_handler($xmlparser, 'scorm_characterData');
|
|
if (!($fp = fopen($pkgdir.$file, 'r'))) {
|
|
die('could not open XML input');
|
|
}
|
|
|
|
while ($data = fread($fp, 4096)) {
|
|
if (!xml_parse($xmlparser, $data, feof($fp))) {
|
|
die(sprintf('XML error: %s at line %d',
|
|
xml_error_string(xml_get_error_code($xmlparser)),
|
|
xml_get_current_line_number($xmlparser)));
|
|
}
|
|
}
|
|
xml_parser_free($xmlparser);
|
|
$launch = 0;
|
|
|
|
$sco->scorm = $scormid;
|
|
delete_records('scorm_scoes','scorm',$scormid);
|
|
delete_records('scorm_scoes_track','scormid',$scormid);
|
|
|
|
if (isset($scoes[1])) {
|
|
for ($j=1; $j<=$i; $j++) {
|
|
$sco->identifier = $scoes[$j]['identifier'];
|
|
$sco->parent = $scoes[$j]['parent'];
|
|
if (!isset($scoes[$j]['title'])) {
|
|
$scoes[$j]['title'] = '';
|
|
}
|
|
$sco->title = $scoes[$j]['title'];
|
|
$sco->manifest = $scoes[$j]['manifest'];
|
|
$sco->organization = $scoes[$j]['organization'];
|
|
if (!isset($scoes[$j]['datafromlms'])) {
|
|
$scoes[$j]['datafromlms'] = '';
|
|
}
|
|
$sco->datafromlms = $scoes[$j]['datafromlms'];
|
|
if (!isset($scoes[$j]['prerequisites'])) {
|
|
$scoes[$j]['prerequisites'] = '';
|
|
}
|
|
$sco->prerequisites = $scoes[$j]['prerequisites'];
|
|
if (!isset($scoes[$j]['maxtimeallowed'])) {
|
|
$scoes[$j]['maxtimeallowed'] = '';
|
|
}
|
|
$sco->maxtimeallowed = $scoes[$j]['maxtimeallowed'];
|
|
if (!isset($scoes[$j]['timelimitaction'])) {
|
|
$scoes[$j]['timelimitaction'] = '';
|
|
}
|
|
$sco->timelimitaction = $scoes[$j]['timelimitaction'];
|
|
if (!isset($scoes[$j]['masteryscore'])) {
|
|
$scoes[$j]['masteryscore'] = '';
|
|
}
|
|
$sco->masteryscore = $scoes[$j]['masteryscore'];
|
|
|
|
if (!isset($resources[($scoes[$j]['identifierref'])]['href'])) {
|
|
$resources[($scoes[$j]['identifierref'])]['href'] = '';
|
|
}
|
|
$sco->launch = $resources[($scoes[$j]['identifierref'])]['href'];
|
|
|
|
if (!isset($scoes[$j]['parameters'])) {
|
|
$scoes[$j]['parameters'] = '';
|
|
}
|
|
$sco->parameters = $scoes[$j]['parameters'];
|
|
|
|
if (!isset($resources[($scoes[$j]['identifierref'])]['scormtype'])) {
|
|
$resources[($scoes[$j]['identifierref'])]['scormtype'] = '';
|
|
}
|
|
$sco->scormtype = $resources[($scoes[$j]['identifierref'])]['scormtype'];
|
|
|
|
if (!isset($scoes[$j]['previous'])) {
|
|
$scoes[$j]['previous'] = 0;
|
|
}
|
|
$sco->previous = $scoes[$j]['previous'];
|
|
|
|
if (!isset($scoes[$j]['continue'])) {
|
|
$scoes[$j]['continue'] = 0;
|
|
}
|
|
$sco->next = $scoes[$j]['continue'];
|
|
|
|
if (scorm_remove_spaces($scoes[$j]['isvisible']) != 'false') {
|
|
$id = insert_record('scorm_scoes',$sco);
|
|
}
|
|
if (($launch==0) && ($defaultorg==$sco->identifier)) {
|
|
$launch = $id;
|
|
}
|
|
}
|
|
} else {
|
|
foreach ($resources as $label => $resource) {
|
|
if (!empty($resource['href'])) {
|
|
$sco->identifier = $label;
|
|
$sco->title = $label;
|
|
$sco->parent = '/';
|
|
$sco->launch = $resource['href'];
|
|
$sco->scormtype = $resource['type'];
|
|
$id = insert_record('scorm_scoes',$sco);
|
|
|
|
if ($launch == 0) {
|
|
$launch = $id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
set_field('scorm','version',$version,'id',$scormid);
|
|
return $launch;
|
|
}
|
|
|
|
function scorm_get_tracks($scoid,$userid) {
|
|
/// Gets all tracks of specified sco and user
|
|
global $CFG;
|
|
|
|
if ($tracks = get_records_select('scorm_scoes_track',"userid=$userid AND scoid=$scoid",'element ASC')) {
|
|
$usertrack->userid = $userid;
|
|
$usertrack->scoid = $scoid;
|
|
$usertrack->score_raw = '';
|
|
$usertrack->status = '';
|
|
$usertrack->total_time = '00:00:00';
|
|
$usertrack->session_time = '00:00:00';
|
|
$usertrack->timemodified = 0;
|
|
foreach ($tracks as $track) {
|
|
$element = $track->element;
|
|
$usertrack->{$element} = $track->value;
|
|
switch ($element) {
|
|
case 'cmi.core.lesson_status':
|
|
case 'cmi.completition_status':
|
|
if ($track->value == 'not attempted') {
|
|
$track->value = 'notattempted';
|
|
}
|
|
$usertrack->status = $track->value;
|
|
break;
|
|
case 'cmi.core.score.raw':
|
|
case 'cmi.score.raw':
|
|
$usertrack->score_raw = $track->value;
|
|
break;
|
|
case 'cmi.core.session_time':
|
|
case 'cmi.session_time':
|
|
$usertrack->session_time = $track->value;
|
|
break;
|
|
case 'cmi.core.total_time':
|
|
case 'cmi.total_time':
|
|
$usertrack->total_time = $track->value;
|
|
break;
|
|
}
|
|
if (isset($track->timemodified) && ($track->timemodified > $usertrack->timemodified)) {
|
|
$usertrack->timemodified = $track->timemodified;
|
|
}
|
|
}
|
|
return $usertrack;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function scorm_get_user_data($userid) {
|
|
/// Gets user info required to display the table of scorm results
|
|
/// for report.php
|
|
|
|
return get_record('user','id',$userid,'','','','','firstname, lastname, picture');
|
|
}
|
|
|
|
function scorm_remove_spaces($sourcestr) {
|
|
// Remove blank space from a string
|
|
$newstr='';
|
|
for( $i=0; $i<strlen($sourcestr); $i++) {
|
|
if ($sourcestr[$i]!=' ') {
|
|
$newstr .=$sourcestr[$i];
|
|
}
|
|
}
|
|
return $newstr;
|
|
}
|
|
|
|
function scorm_string_round($stringa, $len=11) {
|
|
// Crop a string to $len character and set an anchor title to the full string
|
|
if (strlen($stringa)>$len) {
|
|
return '<a name="none" title="'.$stringa.'">'.substr($stringa,0,$len-4).'...'.substr($stringa,strlen($stringa)-1,1).'</a>';
|
|
} else {
|
|
return $stringa;
|
|
}
|
|
}
|
|
|
|
function scorm_external_link($link) {
|
|
// check if a link is external
|
|
$result = false;
|
|
$link = strtolower($link);
|
|
if (substr($link,0,7) == 'http://') {
|
|
$result = true;
|
|
} else if (substr($link,0,8) == 'https://') {
|
|
$result = true;
|
|
} else if (substr($link,0,4) == 'www.') {
|
|
$result = true;
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
function scorm_count_launchable($scormid,$organization) {
|
|
return count_records_select('scorm_scoes',"scorm=$scormid AND organization='$organization' AND launch<>''");
|
|
}
|
|
|
|
function scorm_display_structure($scorm,$liststyle,$currentorg='',$scoid='',$mode='normal',$play=false) {
|
|
global $USER, $CFG;
|
|
|
|
$strexpand = get_string('expcoll','scorm');
|
|
|
|
echo "<ul id='0' class='$liststyle'>";
|
|
$incomplete = false;
|
|
$organizationsql = '';
|
|
if (!empty($currentorg)) {
|
|
$organizationsql = "AND organization='$currentorg'";
|
|
}
|
|
if ($scoes = get_records_select('scorm_scoes',"scorm='$scorm->id' $organizationsql order by id ASC")){
|
|
$level=0;
|
|
$sublist=1;
|
|
$previd = 0;
|
|
$nextid = 0;
|
|
$parents[$level]='/';
|
|
foreach ($scoes as $sco) {
|
|
if ($parents[$level]!=$sco->parent) {
|
|
if ($level>0 && $parents[$level-1]==$sco->parent) {
|
|
echo "\t\t</ul></li>\n";
|
|
$level--;
|
|
} else {
|
|
$i = $level;
|
|
$closelist = '';
|
|
while (($i > 0) && ($parents[$level] != $sco->parent)) {
|
|
$closelist .= "\t\t</ul></li>\n";
|
|
$i--;
|
|
}
|
|
if (($i == 0) && ($sco->parent != $currentorg)) {
|
|
echo "\t\t<li><ul id='$sublist' class='$liststyle'>\n";
|
|
$level++;
|
|
} else {
|
|
echo $closelist;
|
|
$level = $i;
|
|
}
|
|
$parents[$level]=$sco->parent;
|
|
}
|
|
}
|
|
echo "\t\t<li>";
|
|
$nextsco = next($scoes);
|
|
if (($nextsco !== false) && ($sco->parent != $nextsco->parent) && (($level==0) || (($level>0) && ($nextsco->parent == $sco->identifier)))) {
|
|
$sublist++;
|
|
echo '<a href="#" onClick="expandCollide(img'.$sublist.','.$sublist.');"><img id="img'.$sublist.'" src="'.$CFG->wwwroot.'/mod/scorm/pix/minus.gif" alt="'.$strexpand.'" title="'.$strexpand.'"/></a>';
|
|
} else {
|
|
echo '<img src="'.$CFG->wwwroot.'/mod/scorm/pix/spacer.gif" />';
|
|
}
|
|
if (empty($sco->title)) {
|
|
$sco->title = $sco->identifier;
|
|
}
|
|
if ($sco->launch) {
|
|
$startbold = '';
|
|
$endbold = '';
|
|
$score = '';
|
|
if (empty($scoid) && ($mode != 'normal')) {
|
|
$scoid = $sco->id;
|
|
}
|
|
if ($usertrack=scorm_get_tracks($sco->id,$USER->id)) {
|
|
if ($usertrack->status == '') {
|
|
$usertrack->status = 'notattempted';
|
|
}
|
|
$strstatus = get_string($usertrack->status,'scorm');
|
|
echo "<img src='".$CFG->wwwroot."/mod/scorm/pix/".$usertrack->status.".gif' alt='$strstatus' title='$strstatus' />";
|
|
if (($usertrack->status == 'notattempted') || ($usertrack->status == 'incomplete') || ($usertrack->status == 'browsed')) {
|
|
$incomplete = true;
|
|
if ($play && empty($scoid)) {
|
|
$scoid = $sco->id;
|
|
}
|
|
}
|
|
if ($usertrack->score_raw != '') {
|
|
$score = '('.get_string('score','scorm').': '.$usertrack->score_raw.')';
|
|
}
|
|
} else {
|
|
if ($play && empty($scoid)) {
|
|
$scoid = $sco->id;
|
|
}
|
|
if ($sco->scormtype == 'sco') {
|
|
echo '<img src="'.$CFG->wwwroot.'/mod/scorm/pix/notattempted.gif" alt="'.get_string('notattempted','scorm').'" title="'.get_string('notattempted','scorm').'" />';
|
|
$incomplete = true;
|
|
} else {
|
|
echo '<img src="'.$CFG->wwwroot.'/mod/scorm/pix/asset.gif" alt="'.get_string('asset','scorm').'" title="'.get_string('asset','scorm').'" />';
|
|
}
|
|
}
|
|
if ($sco->id == $scoid) {
|
|
$startbold = '<b>';
|
|
$endbold = '</b>';
|
|
if ($nextsco !== false) {
|
|
$nextid = $nextsco->id;
|
|
} else {
|
|
$nextid = 0;
|
|
}
|
|
$shownext = $sco->next;
|
|
$showprev = $sco->previous;
|
|
}
|
|
if (($nextid == 0) && (scorm_count_launchable($scorm->id,$currentorg) > 1) && ( $nextsco!==false)) {
|
|
$previd = $sco->id;
|
|
}
|
|
echo " $startbold<a href='javascript:playSCO(".$sco->id.");'>$sco->title</a> $score$endbold</li>\n";
|
|
} else {
|
|
echo " $sco->title</li>\n";
|
|
}
|
|
}
|
|
for ($i=0;$i<$level;$i++) {
|
|
echo "\t\t</ul></li>\n";
|
|
}
|
|
}
|
|
echo "\t</ul>\n";
|
|
if ($play) {
|
|
$result->id = $scoid;
|
|
$result->prev = $previd;
|
|
$result->next = $nextid;
|
|
$result->showprev = $showprev;
|
|
$result->shownext = $shownext;
|
|
return $result;
|
|
} else {
|
|
return $incomplete;
|
|
}
|
|
}
|
|
?>
|