mod/scorm/player.php

   1 <?PHP  // $Id$
   2
   3 /// This page prints a particular instance of aicc/scorm package
   4
   5     require_once('../../config.php');
   6     require_once('locallib.php');
   7
   8     //
   9     // Checkin' script parameters
  10     //
  11     $id = optional_param('id', '', PARAM_INT);       // Course Module ID, or
  12     $a = optional_param('a', '', PARAM_INT);         // scorm ID
  13     $scoid = required_param('scoid', PARAM_INT);  // sco ID
  14     $mode = optional_param('mode', 'normal', PARAM_ALPHA); // navigation mode
  15     $currentorg = optional_param('currentorg', '', PARAM_RAW); // selected organization
  16     $newattempt = optional_param('newattempt', 'off', PARAM_ALPHA); // the user request to start a new attempt
  17
  18     if (!empty($id)) {
  19         if (! $cm = get_coursemodule_from_id('scorm', $id)) {
  20             error("Course Module ID was incorrect");
  21         }
  22         if (! $course = get_record("course", "id", $cm->course)) {
  23             error("Course is misconfigured");
  24         }
  25         if (! $scorm = get_record("scorm", "id", $cm->instance)) {
  26             error("Course module is incorrect");
  27         }
  28     } else if (!empty($a)) {
  29         if (! $scorm = get_record("scorm", "id", $a)) {
  30             error("Course module is incorrect");
  31         }
  32         if (! $course = get_record("course", "id", $scorm->course)) {
  33             error("Course is misconfigured");
  34         }
  35         if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id)) {
  36             error("Course Module ID was incorrect");
  37         }
  38     } else {
  39         error('A required parameter is missing');
  40     }
  41
  42     require_login($course->id, false, $cm);
  43
  44     $strscorms = get_string('modulenameplural', 'scorm');
  45     $strscorm  = get_string('modulename', 'scorm');
  46     $strpopup = get_string('popup','scorm');
  47     $strexit = get_string('exitactivity','scorm');
  48
  49     $navlinks = array();
  50
  51     if ($course->id != SITEID) {
  52         if ($scorms = get_all_instances_in_course('scorm', $course)) {
  53             // The module SCORM/AICC activity with the first id is the course
  54             $firstscorm = current($scorms);
  55             if (!(($course->format == 'scorm') && ($firstscorm->id == $scorm->id))) {
  56                 $navlinks[] = array('name' => $strscorms, 'link' => "index.php?id=$course->id", 'type' => 'activity');
  57             }
  58         }
  59     }
  60
  61     $pagetitle = strip_tags("$course->shortname: ".format_string($scorm->name));
  62
  63     if (!$cm->visible and !has_capability('moodle/course:viewhiddenactivities', get_context_instance(CONTEXT_COURSE,$course->id))) {
  64         $navlinks[] = array('name' => format_string($scorm->name,true), 'link' => "view.php?id=$cm->id", 'type' => 'activityinstance');
  65         $navigation = build_navigation($navlinks);
  66
  67         print_header($pagetitle, $course->fullname, $navigation,
  68                  '', '', true, update_module_button($cm->id, $course->id, $strscorm), '', false);
  69         notice(get_string("activityiscurrentlyhidden"));
  70     }
  71
  72     //
  73     // TOC processing
  74     //
  75     $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));   // Just to be safe
  76     if (!file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php')) {
  77         $scorm->version = 'scorm_12';
  78     }
  79     require_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php');
  80     $attempt = scorm_get_last_attempt($scorm->id, $USER->id);
  81     if (($newattempt=='on') && (($attempt < $scorm->maxattempt) || ($scorm->maxattempt == 0))) {
  82         $attempt++;
  83         $mode = 'normal';
  84     }
  85     $attemptstr = '&amp;attempt=' . $attempt;
  86
  87     $result = scorm_get_toc($USER,$scorm,'structurelist',$currentorg,$scoid,$mode,$attempt,true);
  88     $sco = $result->sco;
  89
  90     if (($mode == 'browse') && ($scorm->hidebrowse == 1)) {
  91        $mode = 'normal';
  92     }
  93     if ($mode != 'browse') {
  94         if ($trackdata = scorm_get_tracks($sco->id,$USER->id,$attempt)) {
  95             if (($trackdata->status == 'completed') || ($trackdata->status == 'passed') || ($trackdata->status == 'failed')) {
  96                 $mode = 'review';
  97             } else {
  98                 $mode = 'normal';
  99             }
 100         } else {
 101             $mode = 'normal';
 102         }
 103     }
 104
 105     add_to_log($course->id, 'scorm', 'view', "player.php?id=$cm->id&scoid=$sco->id", "$scorm->id");
 106
 107     $scoidstr = '&amp;scoid='.$sco->id;
 108     $scoidpop = '&scoid='.$sco->id;
 109     $modestr = '&amp;mode='.$mode;
 110     if ($mode == 'browse') {
 111         $modepop = '&mode='.$mode;
 112     } else {
 113         $modepop = '';
 114     }
 115     $orgstr = '&currentorg='.$currentorg;
 116
 117     $SESSION->scorm_scoid = $sco->id;
 118     $SESSION->scorm_status = 'Not Initialized';
 119     $SESSION->scorm_mode = $mode;
 120     $SESSION->scorm_attempt = $attempt;
 121
 122     //
 123     // Print the page header
 124     //
 125     $bodyscript = '';
 126     if ($scorm->popup == 1) {
 127         $bodyscript = 'onunload="main.close();"';
 128     }
 129
 130     $navlinks[] = array('name' => format_string($scorm->name,true), 'link' => "view.php?id=$cm->id", 'type' => 'activityinstance');
 131     $navigation = build_navigation($navlinks);
 132     $exitlink = '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$scorm->course.'" title="'.$strexit.'">'.$strexit.'</a> ';
 133
 134     print_header($pagetitle, $course->fullname,
 135                  $navigation,
 136                  '', '', true, $exitlink.update_module_button($cm->id, $course->id, $strscorm), '', false, $bodyscript);
 137     //if ($sco->scormtype == 'sco') {
 138 ?>
 139     <script type="text/javascript" src="request.js"></script>
 140     <script type="text/javascript" src="api.php?id=<?php echo $cm->id.$scoidstr.$modestr.$attemptstr ?>"></script>
 141 <?php
 142     //}
 143     if (($sco->previd != 0) && ((!isset($sco->previous)) || ($sco->previous == 0))) {
 144         $scostr = '&scoid='.$sco->previd;
 145         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var prev="'.$CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modepop.$scostr."\";\n//]]>\n</script>\n";
 146     } else {
 147         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var prev="'.$CFG->wwwroot.'/mod/scorm/view.php?id='.$cm->id."\";\n//]]>\n</script>\n";
 148     }
 149     if (($sco->nextid != 0) && ((!isset($sco->next)) || ($sco->next == 0))) {
 150         $scostr = '&scoid='.$sco->nextid;
 151         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var next="'.$CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modepop.$scostr."\";\n//]]>\n</script>\n";
 152     } else {
 153         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var next="'.$CFG->wwwroot.'/mod/scorm/view.php?id='.$cm->id."\";\n//]]>\n</script>\n";
 154     }
 155 ?>
 156     <div id="scormpage">
 157 <?php
 158     if ($scorm->hidetoc == 0) {
 159 ?>
 160         <div id="tocbox" class="generalbox">
 161             <div id="tochead" class="header"><?php print_string('contents','scorm') ?></div>
 162             <div id="toctree">
 163             <?php echo $result->toc; ?>
 164             </div>
 165         </div>
 166 <?php
 167         $class = ' class="toc"';
 168     } else {
 169         $class = ' class="no-toc"';
 170     }
 171 ?>
 172         <div id="scormbox"<?php echo $class ?>>
 173 <?php
 174     // This very big test check if is necessary the "scormtop" div
 175     if (
 176            ($mode != 'normal') ||  // We are not in normal mode so review or browse text will displayed
 177            (
 178                ($scorm->hidenav == 0) &&  // Teacher want to display navigation links
 179                (
 180                    (
 181                        ($sco->previd != 0) &&  // This is not the first learning object of the package
 182                        ((!isset($sco->previous)) || ($sco->previous == 0))   // Moodle must manage the previous link
 183                    ) ||
 184                    (
 185                        ($sco->nextid != 0) &&  // This is not the last learning object of the package
 186                        ((!isset($sco->next)) || ($sco->next == 0))       // Moodle must manage the next link
 187                    )
 188                )
 189            ) || ($scorm->hidetoc == 2)      // Teacher want to display toc in a small dropdown menu
 190        ) {
 191 ?>
 192             <div id="scormtop">
 193         <?php echo $mode == 'browse' ? '<div id="scormmode" class="left">'.get_string('browsemode','scorm')."</div>\n" : ''; ?>
 194         <?php echo $mode == 'review' ? '<div id="scormmode" class="left">'.get_string('reviewmode','scorm')."</div>\n" : ''; ?>
 195 <?php
 196         if (($scorm->hidenav == 0) || ($scorm->hidetoc == 2)) {
 197 ?>
 198                 <div id="scormnav" class="right">
 199         <?php
 200             $orgstr = '&amp;currentorg='.$currentorg;
 201             if (($scorm->hidenav == 0) && ($sco->previd != 0) && ((!isset($sco->previous)) || ($sco->previous == 0))) {
 202                 /// Print the prev LO link
 203                 $scostr = '&amp;scoid='.$sco->previd;
 204                 $url = $CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modestr.$scostr;
 205                 echo '<a href="'.$url.'">&lt; '.get_string('prev','scorm').'</a>';
 206             }
 207             if ($scorm->hidetoc == 2) {
 208                 echo $result->tocmenu;
 209             }
 210             if (($scorm->hidenav == 0) && ($sco->nextid != 0) && ((!isset($sco->next)) || ($sco->next == 0))) {
 211                 /// Print the next LO link
 212                 $scostr = '&amp;scoid='.$sco->nextid;
 213                 $url = $CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modestr.$scostr;
 214                 echo '            &nbsp;<a href="'.$url.'">'.get_string('next','scorm').' &gt;</a>';
 215             }
 216         ?>
 217
 218                 </div>
 219 <?php
 220         }
 221 ?>
 222             </div>
 223 <?php
 224     } // The end of the very big test
 225 ?>
 226             <div id="scormobject" class="right">
 227                 <noscript>
 228                     <div id="noscript">
 229                         <?php print_string('noscriptnoscorm','scorm'); // No Martin(i), No Party ;-) ?>
 230
 231                     </div>
 232                 </noscript>
 233 <?php
 234     if ($result->prerequisites) {
 235         if ($scorm->popup == 0) {
 236 ?>
 237                 <iframe id="main"
 238                         class="scoframe"
 239                         width="<?php echo $scorm->width<=100 ? $scorm->width.'%' : $scorm->width ?>"
 240                         height="<?php echo $scorm->height<=100 ? $scorm->height.'%' : $scorm->height ?>"
 241                         src="loadSCO.php?id=<?php echo $cm->id.$scoidstr.$modestr ?>">
 242                 </iframe>
 243 <?php
 244         } else {
 245 ?>
 246                     <script type="text/javascript">
 247                     //<![CDATA[
 248                         function openpopup(url,name,options,width,height) {
 249                             fullurl = "<?php echo $CFG->wwwroot.'/mod/scorm/' ?>" + url;
 250                             windowobj = window.open(fullurl,name,options);
 251                             if ((width==100) && (height==100)) {
 252                                 // Fullscreen
 253                                 windowobj.moveTo(0,0);
 254                             }
 255                             if (width<=100) {
 256                                 width = Math.round(screen.availWidth * width / 100);
 257                             }
 258                             if (height<=100) {
 259                                 height = Math.round(screen.availHeight * height / 100);
 260                             }
 261                             windowobj.resizeTo(width,height);
 262                             windowobj.focus();
 263                             return windowobj;
 264                         }
 265
 266                         url = "loadSCO.php?id=<?php echo $cm->id.$scoidpop ?>";
 267                         width = <?php p($scorm->width) ?>;
 268                         height = <?php p($scorm->height) ?>;
 269                         var main = openpopup(url, "scormpopup", "<?php p($scorm->options) ?>", width, height);
 270                     //]]>
 271                     </script>
 272                     <noscript>
 273                     <iframe id="main"
 274                             class="scoframe"
 275                             width="<?php echo $scorm->width<=100 ? $scorm->width.'%' : $scorm->width ?>"
 276                             height="<?php echo $scorm->height<=100 ? $scorm->height.'%' : $scorm->height ?>"
 277                             src="loadSCO.php?id=<?php echo $cm->id.$scoidstr.$modestr ?>">
 278                     </iframe>
 279                     </noscript>
 280 <?php
 281         }
 282     } else {
 283         print_simple_box(get_string('noprerequisites','scorm'),'center');
 284     }
 285 ?>
 286             </div> <!-- SCORM object -->
 287         </div> <!-- SCORM box  -->
 288     </div> <!-- SCORM content -->
 289     <?php if (!empty($THEME->customcorners)) {
 290         require_once($CFG->dirroot.'/lib/custom_corners_lib.php');
 291         print_custom_corners_end();
 292     } ?>
 293     <div class="clearer">&nbsp;</div>
 294 <?php print_footer(); ?>