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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 | |
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5 | $id = optional_param('id', '', PARAM_INT); // Course Module ID, or |
6 | $a = optional_param('a', '', PARAM_INT); // scorm ID |
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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); |
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36 | |
37 | //check if scorm closed |
38 | $timenow = time(); |
39 | if ($scorm->timeclose !=0) { |
40 | if ($scorm->timeopen > $timenow) { |
41 | error(get_string("notopenyet", "scorm", userdate($scorm->timeopen))); |
42 | } else if ($timenow > $scorm->timeclose) { |
43 | error(get_string("expired", "scorm", userdate($scorm->timeclose))); |
44 | } |
45 | } |
46 | |
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47 | $context = get_context_instance(CONTEXT_MODULE, $cm->id); |
48 | |
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49 | if (!empty($scoid)) { |
50 | // |
51 | // Direct SCO request |
52 | // |
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53 | if ($sco = scorm_get_sco($scoid)) { |
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54 | if ($sco->launch == '') { |
55 | // Search for the next launchable sco |
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56 | if ($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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57 | $sco = current($scoes); |
58 | } |
59 | } |
60 | } |
61 | } |
62 | // |
63 | // If no sco was found get the first of SCORM package |
64 | // |
65 | if (!isset($sco)) { |
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66 | $scoes = $DB->get_records_select('scorm_scoes',"scorm = ? AND launch <> ?", array($scorm->id, $DB->sql_empty()),'id ASC'); |
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67 | $sco = current($scoes); |
68 | } |
69 | |
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70 | if ($sco->scormtype == 'asset') { |
71 | $attempt = scorm_get_last_attempt($scorm->id,$USER->id); |
72 | $element = $scorm->version == 'scorm_13'?'cmi.completion_status':'cmi.core.lesson_status'; |
73 | $value = 'completed'; |
74 | $result = scorm_insert_track($USER->id, $scorm->id, $sco->id, $attempt, $element, $value); |
75 | } |
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76 | |
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77 | // |
78 | // Forge SCO URL |
79 | // |
80 | $connector = ''; |
81 | $version = substr($scorm->version,0,4); |
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82 | if ((isset($sco->parameters) && (!empty($sco->parameters))) || ($version == 'AICC')) { |
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83 | if (stripos($sco->launch,'?') !== false) { |
84 | $connector = '&'; |
85 | } else { |
86 | $connector = '?'; |
87 | } |
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88 | if ((isset($sco->parameters) && (!empty($sco->parameters))) && ($sco->parameters[0] == '?')) { |
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89 | $sco->parameters = substr($sco->parameters,1); |
90 | } |
91 | } |
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92 | |
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93 | if ($version == 'AICC') { |
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94 | if (isset($sco->parameters) && (!empty($sco->parameters))) { |
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95 | $sco->parameters = '&'. $sco->parameters; |
96 | } |
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97 | $launcher = $sco->launch.$connector.'aicc_sid='.sesskey().'&aicc_url='.$CFG->wwwroot.'/mod/scorm/aicc.php'.$sco->parameters; |
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98 | } else { |
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99 | if (isset($sco->parameters) && (!empty($sco->parameters))) { |
100 | $launcher = $sco->launch.$connector.$sco->parameters; |
101 | } else { |
102 | $launcher = $sco->launch; |
103 | } |
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104 | } |
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105 | |
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106 | if (scorm_external_link($sco->launch)) { |
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107 | //TODO: does this happen? |
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108 | $result = $launcher; |
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109 | |
110 | } else if ($scorm->scormtype === SCORM_TYPE_EXTERNAL) { |
111 | // Remote learning activity |
112 | $result = dirname($scorm->reference).'/'.$launcher; |
113 | |
114 | } else if ($scorm->scormtype === SCORM_TYPE_IMSREPOSITORY) { |
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115 | // Repository |
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116 | $result = $CFG->repositorywebroot.substr($scorm->reference, 1).'/'.$sco->launch; |
117 | |
118 | } else if ($scorm->scormtype === SCORM_TYPE_LOCAL or $scorm->scormtype === SCORM_TYPE_LOCALSYNC) { |
119 | //note: do not convert this to use get_file_url()! |
120 | // SCORM does not work without slasharguments anyway and there might be some extra ?xx=yy params |
121 | // see MDL-16060 |
122 | $result = "$CFG->wwwroot/pluginfile.php/$context->id/scorm_content/$scorm->revision/$launcher"; |
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123 | } |
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124 | |
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125 | $scormpixdir = $CFG->modpixpath.'/scorm/pix'; |
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126 | ?> |
127 | <html> |
128 | <head> |
129 | <title>LoadSCO</title> |
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130 | <script type="text/javascript"> |
131 | //<![CDATA[ |
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132 | function doredirect() { |
133 | var e = document.getElementById("countdown"); |
134 | var cSeconds = parseInt(e.innerHTML); |
135 | var timer = setInterval(function() { |
136 | if( cSeconds ) { |
137 | e.innerHTML = --cSeconds; |
138 | } else { |
139 | clearInterval(timer); |
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140 | document.body.innerHTML = "<?php echo get_string('activitypleasewait', 'scorm');?>"; |
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141 | location = "<?php echo $result ?>"; |
142 | } |
143 | }, 1000); |
144 | } |
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145 | //]]> |
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146 | </script> |
147 | <noscript> |
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148 | <meta http-equiv="refresh" content="0;url=<?php echo $result ?>" /> |
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149 | </noscript> |
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150 | </head> |
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151 | <body onload="doredirect();"> |
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152 | <p><?php echo get_string('activityloading', 'scorm');?> <span id="countdown"><?php echo $delayseconds ?></span> <?php echo get_string('numseconds');?>. <img src='<?php echo $scormpixdir;?>/wait.gif'><p> |
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153 | <?php if (scorm_debugging($scorm)) { |
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154 | add_to_log($course->id, 'scorm', 'launch', 'view.php?id='.$cm->id, $result, $cm->id); |
155 | } |
156 | ?> |
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157 | </body> |
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158 | </html> |