mod/scorm/player.php

   1 <?PHP
   2
   3 /// This page prints a particular instance of aicc/scorm package
   4
   5     require_once('../../config.php');
   6     require_once($CFG->dirroot.'/mod/scorm/locallib.php');
   7     require_once($CFG->libdir . '/completionlib.php');
   8
   9     //
  10     // Checkin' script parameters
  11     //
  12     $id = optional_param('cm', '', PARAM_INT);       // Course Module ID, or
  13     $a = optional_param('a', '', PARAM_INT);         // scorm ID
  14     $scoid = required_param('scoid', PARAM_INT);  // sco ID
  15     $mode = optional_param('mode', 'normal', PARAM_ALPHA); // navigation mode
  16     $currentorg = optional_param('currentorg', '', PARAM_RAW); // selected organization
  17     $newattempt = optional_param('newattempt', 'off', PARAM_ALPHA); // the user request to start a new attempt
  18
  19     //IE 6 Bug workaround
  20     if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 6') !== false) {
  21         @ini_set('zlib.output_compression', 'Off');
  22         @apache_setenv('no-gzip', 1);
  23     }
  24
  25     if (!empty($id)) {
  26         if (! $cm = get_coursemodule_from_id('scorm', $id)) {
  27             print_error('invalidcoursemodule');
  28         }
  29         if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
  30             print_error('coursemisconf');
  31         }
  32         if (! $scorm = $DB->get_record("scorm", array("id"=>$cm->instance))) {
  33             print_error('invalidcoursemodule');
  34         }
  35     } else if (!empty($a)) {
  36         if (! $scorm = $DB->get_record("scorm", array("id"=>$a))) {
  37             print_error('invalidcoursemodule');
  38         }
  39         if (! $course = $DB->get_record("course", array("id"=>$scorm->course))) {
  40             print_error('coursemisconf');
  41         }
  42         if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id)) {
  43             print_error('invalidcoursemodule');
  44         }
  45     } else {
  46         print_error('missingparameter');
  47     }
  48
  49     $url = new moodle_url('/mod/scorm/player.php', array('scoid'=>$scoid, 'cm'=>$cm->id));
  50     if ($mode !== 'normal') {
  51         $url->param('mode', $mode);
  52     }
  53     if ($currentorg !== '') {
  54         $url->param('currentorg', $currentorg);
  55     }
  56     if ($newattempt !== 'off') {
  57         $url->param('newattempt', $newattempt);
  58     }
  59     $PAGE->set_url($url);
  60     $forcejs = get_config('scorm','forcejavascript');
  61     if (!empty($forcejs)) {
  62         $PAGE->add_body_class('forcejavascript');
  63     }
  64
  65     require_login($course->id, false, $cm);
  66
  67     $strscorms = get_string('modulenameplural', 'scorm');
  68     $strscorm  = get_string('modulename', 'scorm');
  69     $strpopup = get_string('popup','scorm');
  70     $strexit = get_string('exitactivity','scorm');
  71
  72     $pagetitle = strip_tags("$course->shortname: ".format_string($scorm->name));
  73     $PAGE->set_title($pagetitle);
  74     $PAGE->set_heading($course->fullname);
  75
  76     if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', get_context_instance(CONTEXT_COURSE,$course->id))) {
  77         echo $OUTPUT->header();
  78         notice(get_string("activityiscurrentlyhidden"));
  79         echo $OUTPUT->footer();
  80         die;
  81     }
  82
  83     //check if scorm closed
  84     $timenow = time();
  85     if ($scorm->timeclose !=0) {
  86         if ($scorm->timeopen > $timenow) {
  87             echo $OUTPUT->header();
  88             echo $OUTPUT->box(get_string("notopenyet", "scorm", userdate($scorm->timeopen)), "generalbox boxaligncenter");
  89             echo $OUTPUT->footer();
  90             die;
  91         } elseif ($timenow > $scorm->timeclose) {
  92             echo $OUTPUT->header();
  93             echo $OUTPUT->box(get_string("expired", "scorm", userdate($scorm->timeclose)), "generalbox boxaligncenter");
  94             echo $OUTPUT->footer();
  95             die;
  96         }
  97     }
  98
  99     //
 100     // TOC processing
 101     //
 102     $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));   // Just to be safe
 103     if (!file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php')) {
 104         $scorm->version = 'scorm_12';
 105     }
 106     require_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php');
 107     $attempt = scorm_get_last_attempt($scorm->id, $USER->id);
 108     if (($newattempt=='on') && (($attempt < $scorm->maxattempt) || ($scorm->maxattempt == 0))) {
 109         $attempt++;
 110         $mode = 'normal';
 111     }
 112     $attemptstr = '&amp;attempt=' . $attempt;
 113
 114     $result = scorm_get_toc($USER, $scorm, $cm->id, TOCJSLINK, $currentorg, $scoid, $mode, $attempt, true, true);
 115     $sco = $result->sco;
 116
 117     if (($mode == 'browse') && ($scorm->hidebrowse == 1)) {
 118        $mode = 'normal';
 119     }
 120     if ($mode != 'browse') {
 121         if ($trackdata = scorm_get_tracks($sco->id,$USER->id,$attempt)) {
 122             if (($trackdata->status == 'completed') || ($trackdata->status == 'passed') || ($trackdata->status == 'failed')) {
 123                 $mode = 'review';
 124             } else {
 125                 $mode = 'normal';
 126             }
 127         } else {
 128             $mode = 'normal';
 129         }
 130     }
 131
 132     add_to_log($course->id, 'scorm', 'view', "player.php?cm=$cm->id&scoid=$sco->id", "$scorm->id", $cm->id);
 133
 134
 135     $scoidstr = '&amp;scoid='.$sco->id;
 136     $scoidpop = '&scoid='.$sco->id;
 137     $modestr = '&amp;mode='.$mode;
 138     if ($mode == 'browse') {
 139         $modepop = '&mode='.$mode;
 140     } else {
 141         $modepop = '';
 142     }
 143     $orgstr = '&currentorg='.$currentorg;
 144
 145     $SESSION->scorm_scoid = $sco->id;
 146     $SESSION->scorm_status = 'Not Initialized';
 147     $SESSION->scorm_mode = $mode;
 148     $SESSION->scorm_attempt = $attempt;
 149
 150     // Mark module viewed
 151     $completion = new completion_info($course);
 152     $completion->set_module_viewed($cm);
 153
 154     //
 155     // Print the page header
 156     //
 157     $bodyscript = '';
 158     if ($scorm->popup == 1) {
 159         $bodyscript = 'onunload="main.close();"';
 160     }
 161
 162     $exitlink = '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$scorm->course.'" title="'.$strexit.'">'.$strexit.'</a> ';
 163
 164     $PAGE->set_button($exitlink);
 165
 166     $PAGE->requires->data_for_js('scormplayerdata', Array('cwidth'=>$scorm->width,'cheight'=>$scorm->height,
 167                                                           'popupoptions' => $scorm->options), true);
 168     $PAGE->requires->js('/mod/scorm/request.js', true);
 169     $PAGE->requires->js('/lib/cookies.js', true);
 170     //$PAGE->requires->js('/mod/scorm/loaddatamodel.php?id='.$cm->id.$scoidstr.$modestr.$attemptstr, true);
 171     $PAGE->requires->css('/mod/scorm/styles.css');
 172
 173     echo $OUTPUT->header();
 174
 175     // NEW IMS TOC
 176     $PAGE->requires->string_for_js('navigation', 'scorm');
 177     $PAGE->requires->string_for_js('toc', 'scorm');
 178     $PAGE->requires->string_for_js('hide', 'moodle');
 179     $PAGE->requires->string_for_js('show', 'moodle');
 180     $PAGE->requires->string_for_js('popupsblocked', 'scorm');
 181
 182     $name = false;
 183
 184 ?>
 185     <div id="scormpage">
 186
 187       <div id="tocbox">
 188         <div id='scormapi-parent'>
 189             <script id="external-scormapi" type="text/JavaScript"></script>
 190         </div>
 191         <div id="scormtop">
 192 <?php
 193     if ($result->prerequisites) {
 194         if ($scorm->popup != 0) {
 195             //Added incase javascript popups are blocked we don't provide a direct link to the pop-up as JS communication can fail - the user must disable their pop-up blocker.
 196             $linkcourse = '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$scorm->course.'">' . get_string('finishscormlinkname','scorm') . '</a>';
 197             echo $OUTPUT->box(get_string('finishscorm','scorm',$linkcourse), 'generalbox', 'altfinishlink');
 198         }
 199     }
 200 ?>
 201         <?php echo $mode == 'browse' ? '<div id="scormmode" class="scorm-left">'.get_string('browsemode','scorm')."</div>\n" : ''; ?>
 202         <?php echo $mode == 'review' ? '<div id="scormmode" class="scorm-left">'.get_string('reviewmode','scorm')."</div>\n" : ''; ?>
 203             <div id="scormnav" class="scorm-right">
 204 <?php
 205 if ($scorm->hidetoc == SCORM_TOC_POPUP) {
 206     echo $result->tocmenu;
 207 }
 208 ?>
 209             </div> <!-- Scormnav -->
 210         </div> <!-- Scormtop -->
 211             <div id="toctree" class="generalbox">
 212             <?php echo $result->toc; ?>
 213             </div> <!-- toctree -->
 214         </div> <!--  tocbox -->
 215                 <noscript>
 216                     <div id="noscript">
 217                         <?php print_string('noscriptnoscorm','scorm'); // No Martin(i), No Party ;-) ?>
 218
 219                     </div>
 220                 </noscript>
 221 <?php
 222     if ($result->prerequisites) {
 223         if ($scorm->popup != 0) {
 224             // Clean the name for the window as IE is fussy
 225             $name = preg_replace("/[^A-Za-z0-9]/", "", $scorm->name);
 226             if (!$name) {
 227                 $name = 'DefaultPlayerWindow';
 228             }
 229             $name = 'scorm_'.$name;
 230
 231             echo html_writer::script('', $CFG->wwwroot.'/mod/scorm/player.js');
 232             echo html_writer::script(js_writer::function_call('scorm_openpopup', Array("loadSCO.php?id=".$cm->id.$scoidpop, $name, $scorm->options, $scorm->width, $scorm->height)));
 233             ?>
 234             <noscript>
 235             <!--[if IE]>
 236                 <iframe id="main" class="scoframe" name="main" src="loadSCO.php?id=<?php echo $cm->id.$scoidstr.$modestr; ?>"></iframe>
 237             <![endif]-->
 238             <!--[if !IE]>
 239                 <object id="main" class="scoframe" type="text/html" data="loadSCO.php?id=<?php echo $cm->id.$scoidstr.$modestr; ?>"></object>
 240             <![endif]-->
 241             </noscript>
 242 <?php
 243         }
 244     } else {
 245         echo $OUTPUT->box(get_string('noprerequisites','scorm'));
 246     }
 247 ?>
 248     </div> <!-- SCORM page -->
 249 <?php
 250 // NEW IMS TOC
 251 if (!isset($result->toctitle)) {
 252     $result->toctitle = get_string('toc', 'scorm');
 253 }
 254
 255 $PAGE->requires->js_init_call('M.mod_scorm.init', array($scorm->hidenav, $scorm->hidetoc, $result->toctitle, $name, $sco->id));
 256
 257 if (!empty($forcejs)) {
 258     echo $OUTPUT->box(get_string("forcejavascriptmessage", "scorm"), "generalbox boxaligncenter forcejavascriptmessage");
 259 }
 260 echo $OUTPUT->footer();