2 // This file is part of Moodle - http://moodle.org/
4 // Moodle is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // Moodle is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17 require_once('../../config.php');
18 require_once($CFG->dirroot
.'/mod/scorm/locallib.php');
20 $id = optional_param('id', '', PARAM_INT
); // Course Module ID, or
21 $a = optional_param('a', '', PARAM_INT
); // scorm ID
22 $scoid = required_param('scoid', PARAM_INT
); // sco ID
24 $delayseconds = 2; // Delay time before sco launch, used to give time to browser to define API
27 if (! $cm = get_coursemodule_from_id('scorm', $id)) {
28 print_error('invalidcoursemodule');
30 if (! $course = $DB->get_record('course', array('id'=>$cm->course
))) {
31 print_error('coursemisconf');
33 if (! $scorm = $DB->get_record('scorm', array('id'=>$cm->instance
))) {
34 print_error('invalidcoursemodule');
36 } else if (!empty($a)) {
37 if (! $scorm = $DB->get_record('scorm', array('id'=>$a))) {
38 print_error('coursemisconf');
40 if (! $course = $DB->get_record('course', array('id'=>$scorm->course
))) {
41 print_error('coursemisconf');
43 if (! $cm = get_coursemodule_from_instance('scorm', $scorm->id
, $course->id
)) {
44 print_error('invalidcoursemodule');
47 print_error('missingparameter');
50 $PAGE->set_url('/mod/scorm/loadSCO.php', array('scoid'=>$scoid, 'id'=>$cm->id
));
52 require_login($course->id
, false, $cm);
54 //check if scorm closed
56 if ($scorm->timeclose
!=0) {
57 if ($scorm->timeopen
> $timenow) {
58 print_error('notopenyet', 'scorm', null, userdate($scorm->timeopen
));
59 } else if ($timenow > $scorm->timeclose
) {
60 print_error('expired', 'scorm', null, userdate($scorm->timeclose
));
64 $context = get_context_instance(CONTEXT_MODULE
, $cm->id
);
70 if ($sco = scorm_get_sco($scoid)) {
71 if ($sco->launch
== '') {
72 // Search for the next launchable sco
73 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')) {
74 $sco = current($scoes);
80 // If no sco was found get the first of SCORM package
83 $scoes = $DB->get_records_select('scorm_scoes', "scorm = ? AND ".$DB->sql_isnotempty('scorm_scoes', 'launch', false, true), array($scorm->id
), 'id ASC');
84 $sco = current($scoes);
87 if ($sco->scormtype
== 'asset') {
88 $attempt = scorm_get_last_attempt($scorm->id
, $USER->id
);
89 $element = (scorm_version_check($scorm->version
, SCORM_13
)) ?
'cmi.completion_status':'cmi.core.lesson_status';
91 $result = scorm_insert_track($USER->id
, $scorm->id
, $sco->id
, $attempt, $element, $value);
98 $version = substr($scorm->version
, 0, 4);
99 if ((isset($sco->parameters
) && (!empty($sco->parameters
))) ||
($version == 'AICC')) {
100 if (stripos($sco->launch
, '?') !== false) {
105 if ((isset($sco->parameters
) && (!empty($sco->parameters
))) && ($sco->parameters
[0] == '?')) {
106 $sco->parameters
= substr($sco->parameters
, 1);
110 if ($version == 'AICC') {
111 require_once("$CFG->dirroot/mod/scorm/datamodels/aicclib.php");
112 $aicc_sid = scorm_aicc_get_hacp_session($scorm->id
);
113 if (empty($aicc_sid)) {
114 $aicc_sid = sesskey();
117 if (isset($sco->parameters
) && (!empty($sco->parameters
))) {
118 $sco_params = '&'. $sco->parameters
;
120 $launcher = $sco->launch
.$connector.'aicc_sid='.$aicc_sid.'&aicc_url='.$CFG->wwwroot
.'/mod/scorm/aicc.php'.$sco_params;
122 if (isset($sco->parameters
) && (!empty($sco->parameters
))) {
123 $launcher = $sco->launch
.$connector.$sco->parameters
;
125 $launcher = $sco->launch
;
129 if (scorm_external_link($sco->launch
)) {
130 //TODO: does this happen?
132 } else if ($scorm->scormtype
=== SCORM_TYPE_EXTERNAL
) {
133 // Remote learning activity
134 $result = dirname($scorm->reference
).'/'.$launcher;
135 } else if ($scorm->scormtype
=== SCORM_TYPE_IMSREPOSITORY
) {
137 $result = $CFG->repositorywebroot
.substr($scorm->reference
, 1).'/'.$sco->launch
;
138 } else if ($scorm->scormtype
=== SCORM_TYPE_LOCAL
or $scorm->scormtype
=== SCORM_TYPE_LOCALSYNC
) {
139 //note: do not convert this to use get_file_url() or moodle_url()
140 //SCORM does not work without slasharguments and moodle_url() encodes querystring vars
141 $result = "$CFG->wwwroot/pluginfile.php/$context->id/mod_scorm/content/$scorm->revision/$launcher";
144 // which API are we looking for
145 $LMS_api = (scorm_version_check($scorm->version
, SCORM_12
) ||
empty($scorm->version
)) ?
'API' : 'API_1484_11';
149 <title
>LoadSCO
</title
>
150 <script type
="text/javascript">
152 var myApiHandle
= null;
153 var myFindAPITries
= 0;
155 function myGetAPIHandle() {
157 if (myApiHandle
== null) {
158 myApiHandle
= myGetAPI();
163 function myFindAPI(win
) {
164 while ((win
.<?php
echo $LMS_api; ?
> == null) && (win
.parent
!= null) && (win
.parent
!= win
)) {
166 // Note: 7 is an arbitrary number, but should be more than sufficient
167 if (myFindAPITries
> 7) {
172 return win
.<?php
echo $LMS_api; ?
>;
175 // hun for the API - needs to be loaded before we can launch the package
176 function myGetAPI() {
177 var theAPI
= myFindAPI(window
);
178 if ((theAPI
== null) && (window
.opener
!= null) && (typeof(window
.opener
) != "undefined")) {
179 theAPI
= myFindAPI(window
.opener
);
181 if (theAPI
== null) {
187 function doredirect() {
188 if (myGetAPIHandle() != null) {
189 location
= "<?php echo $result ?>";
192 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>";
193 var e
= document
.getElementById("countdown");
194 var cSeconds
= parseInt(e
.innerHTML
);
195 var timer
= setInterval(function() {
196 if( cSeconds
&& myGetAPIHandle() == null ) {
197 e
.innerHTML
= --cSeconds
;
199 clearInterval(timer
);
200 document
.body
.innerHTML
= "<p><?php echo get_string('activitypleasewait', 'scorm');?></p>";
201 location
= "<?php echo $result ?>";
209 <meta http
-equiv
="refresh" content
="0;url=<?php echo $result ?>" />
212 <body onload
="doredirect();">
213 <p
><?php
echo get_string('activitypleasewait', 'scorm');?
></p
>
214 <?php
if (debugging('', DEBUG_DEVELOPER
)) {
215 add_to_log($course->id
, 'scorm', 'launch', 'view.php?id='.$cm->id
, $result, $cm->id
);