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1 | <?php // $Id$ |
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2 | require_once('../../config.php'); |
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3 | require_once('locallib.php'); |
4 | |
5 | $id = optional_param('id', '', PARAM_INT); // Course Module ID, or |
6 | $a = optional_param('a', '', PARAM_INT); // scorm ID |
7 | $scoid = required_param('scoid', PARAM_INT); // sco ID |
8 | |
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9 | $delayseconds = 2; // Delay time before sco launch, used to give time to browser to define API |
10 | |
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11 | if (!empty($id)) { |
12 | if (! $cm = get_coursemodule_from_id('scorm', $id)) { |
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13 | print_error('invalidcoursemodule'); |
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14 | } |
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15 | if (! $course = $DB->get_record('course', array('id'=>$cm->course))) { |
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16 | print_error('coursemisconf'); |
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17 | } |
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18 | if (! $scorm = $DB->get_record('scorm', array('id'=>$cm->instance))) { |
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19 | print_error('invalidcoursemodule'); |
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20 | } |
21 | } else if (!empty($a)) { |
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22 | if (! $scorm = $DB->get_record('scorm', array('id'=>$a))) { |
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23 | print_error('coursemisconf'); |
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24 | } |
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25 | if (! $course = $DB->get_record('course', array('id'=>$scorm->course))) { |
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26 | print_error('coursemisconf'); |
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27 | } |
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28 | if (! $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id)) { |
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29 | print_error('invalidcoursemodule'); |
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30 | } |
31 | } else { |
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32 | print_error('missingparameter'); |
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33 | } |
34 | |
35 | require_login($course->id, false, $cm); |
36 | if (!empty($scoid)) { |
37 | // |
38 | // Direct SCO request |
39 | // |
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40 | if ($sco = scorm_get_sco($scoid)) { |
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41 | if ($sco->launch == '') { |
42 | // Search for the next launchable sco |
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43 | if ($scoes = $DB->get_records_select('scorm_scoes',"scorm = ? AND launch <> ? AND id > ?",array($scorm->id, $DB->sql_empty(), $sco->id), 'id ASC')) { |
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44 | $sco = current($scoes); |
45 | } |
46 | } |
47 | } |
48 | } |
49 | // |
50 | // If no sco was found get the first of SCORM package |
51 | // |
52 | if (!isset($sco)) { |
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53 | $scoes = $DB->get_records_select('scorm_scoes',"scorm = ? AND launch <> ?", array($scorm->id, $DB->sql_empty()),'id ASC'); |
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54 | $sco = current($scoes); |
55 | } |
56 | |
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57 | if ($sco->scormtype == 'asset') { |
58 | $attempt = scorm_get_last_attempt($scorm->id,$USER->id); |
59 | $element = $scorm->version == 'scorm_13'?'cmi.completion_status':'cmi.core.lesson_status'; |
60 | $value = 'completed'; |
61 | $result = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value); |
62 | } |
63 | |
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64 | // |
65 | // Forge SCO URL |
66 | // |
67 | $connector = ''; |
68 | $version = substr($scorm->version,0,4); |
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69 | if ((isset($sco->parameters) && (!empty($sco->parameters))) || ($version == 'AICC')) { |
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70 | if (stripos($sco->launch,'?') !== false) { |
71 | $connector = '&'; |
72 | } else { |
73 | $connector = '?'; |
74 | } |
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75 | if ((isset($sco->parameters) && (!empty($sco->parameters))) && ($sco->parameters[0] == '?')) { |
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76 | $sco->parameters = substr($sco->parameters,1); |
77 | } |
78 | } |
79 | |
80 | if ($version == 'AICC') { |
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81 | if (isset($sco->parameters) && (!empty($sco->parameters))) { |
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82 | $sco->parameters = '&'. $sco->parameters; |
83 | } |
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84 | $launcher = $sco->launch.$connector.'aicc_sid='.sesskey().'&aicc_url='.$CFG->wwwroot.'/mod/scorm/aicc.php'.$sco->parameters; |
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85 | } else { |
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86 | if (isset($sco->parameters) && (!empty($sco->parameters))) { |
87 | $launcher = $sco->launch.$connector.$sco->parameters; |
88 | } else { |
89 | $launcher = $sco->launch; |
90 | } |
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91 | } |
92 | |
93 | if (scorm_external_link($sco->launch)) { |
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94 | // Remote learning activity |
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95 | $result = $launcher; |
96 | } else if ($scorm->reference[0] == '#') { |
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97 | // Repository |
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98 | $result = $CFG->repositorywebroot.substr($scorm->reference,1).'/'.$sco->launch; |
99 | } else { |
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100 | if ((basename($scorm->reference) == 'imsmanifest.xml') && scorm_external_link($scorm->reference)) { |
101 | // Remote manifest |
102 | $result = dirname($scorm->reference).'/'.$launcher; |
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103 | } else { |
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104 | // Moodle internal package/manifest or remote (auto-imported) package |
105 | if (basename($scorm->reference) == 'imsmanifest.xml') { |
106 | $basedir = dirname($scorm->reference); |
107 | } else { |
108 | $basedir = $CFG->moddata.'/scorm/'.$scorm->id; |
109 | } |
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110 | //note: do not convert this to use get_file_url()! |
111 | // SCORM does not work without slasharguments anyway and there might be some extra ?xx=yy params |
112 | // see MDL-16060 |
113 | $result = $CFG->wwwroot.'/file.php/'.$scorm->course.'/'.$basedir.'/'.$launcher; |
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114 | } |
115 | } |
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116 | |
117 | $scormpixdir = $CFG->modpixpath.'/scorm/pix'; |
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118 | ?> |
119 | <html> |
120 | <head> |
121 | <title>LoadSCO</title> |
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122 | <script type="text/javascript"> |
123 | //<![CDATA[ |
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124 | function doredirect() { |
125 | var e = document.getElementById("countdown"); |
126 | var cSeconds = parseInt(e.innerHTML); |
127 | var timer = setInterval(function() { |
128 | if( cSeconds ) { |
129 | e.innerHTML = --cSeconds; |
130 | } else { |
131 | clearInterval(timer); |
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132 | document.body.innerHTML = "<?php echo get_string('activitypleasewait', 'scorm');?>"; |
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133 | location = "<?php echo $result ?>"; |
134 | } |
135 | }, 1000); |
136 | } |
137 | //]]> |
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138 | </script> |
139 | <noscript> |
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140 | <meta http-equiv="refresh" content="<?php echo $delayseconds ?>;url=<?php echo $result ?>" /> |
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141 | </noscript> |
142 | </head> |
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143 | <body onload="doredirect();"> |
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144 | <p><?php echo get_string('activityloading', 'scorm');?> <span id="countdown"><?php echo $delayseconds ?></span> <?php echo get_string('numseconds');?>. <img src='<?php echo $scormpixdir;?>/wait.gif'><p> |
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145 | <?php if (debugging('',DEBUG_DEVELOPER)) { |
146 | add_to_log($course->id, 'scorm', 'launch', 'view.php?id='.$cm->id, $result, $cm->id); |
147 | } |
148 | ?> |
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149 | </body> |
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150 | </html> |