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     // TOC processing
  73     //
  74     $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));   // Just to be safe
  75     if (!file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php')) {
  76         $scorm->version = 'scorm_12';
  77     }
  78     require_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php');
  79     $attempt = scorm_get_last_attempt($scorm->id, $USER->id);
  80     if (($newattempt=='on') && (($attempt < $scorm->maxattempt) || ($scorm->maxattempt == 0))) {
  81         $attempt++;
  82         $mode = 'normal';
  83     }
  84     $attemptstr = '&amp;attempt=' . $attempt;
  85
  86     $result = scorm_get_toc($USER,$scorm,'structurelist',$currentorg,$scoid,$mode,$attempt,true);
  87     $sco = $result->sco;
  88
  89     if (($mode == 'browse') && ($scorm->hidebrowse == 1)) {
  90        $mode = 'normal';
  91     }
  92     if ($mode != 'browse') {
  93         if ($trackdata = scorm_get_tracks($sco->id,$USER->id,$attempt)) {
  94             if (($trackdata->status == 'completed') || ($trackdata->status == 'passed') || ($trackdata->status == 'failed')) {
  95                 $mode = 'review';
  96             } else {
  97                 $mode = 'normal';
  98             }
  99         } else {
 100             $mode = 'normal';
 101         }
 102     }
 103
 104     add_to_log($course->id, 'scorm', 'view', "player.php?id=$cm->id&scoid=$sco->id", "$scorm->id", $cm->id);
 105
 106     $scoidstr = '&amp;scoid='.$sco->id;
 107     $scoidpop = '&scoid='.$sco->id;
 108     $modestr = '&amp;mode='.$mode;
 109     if ($mode == 'browse') {
 110         $modepop = '&mode='.$mode;
 111     } else {
 112         $modepop = '';
 113     }
 114     $orgstr = '&currentorg='.$currentorg;
 115
 116     $SESSION->scorm_scoid = $sco->id;
 117     $SESSION->scorm_status = 'Not Initialized';
 118     $SESSION->scorm_mode = $mode;
 119     $SESSION->scorm_attempt = $attempt;
 120
 121     //
 122     // Print the page header
 123     //
 124     $bodyscript = '';
 125     if ($scorm->popup == 1) {
 126         $bodyscript = 'onunload="main.close();"';
 127     }
 128
 129     $navlinks[] = array('name' => format_string($scorm->name,true), 'link' => "view.php?id=$cm->id", 'type' => 'activityinstance');
 130     $navigation = build_navigation($navlinks);
 131     $exitlink = '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$scorm->course.'" title="'.$strexit.'">'.$strexit.'</a> ';
 132
 133     print_header($pagetitle, $course->fullname,
 134                  $navigation,
 135                  '', '', true, $exitlink.update_module_button($cm->id, $course->id, $strscorm), '', false, $bodyscript);
 136 ?>
 137     <script type="text/javascript" src="request.js"></script>
 138     <script type="text/javascript" src="api.php?id=<?php echo $cm->id.$scoidstr.$modestr.$attemptstr ?>"></script>
 139     <script type="text/javascript" src="<?php echo $CFG->wwwroot; ?>/mod/scorm/rd.js"></script>
 140     <script type="text/javascript">
 141     <!--
 142         window.onresize = function() {
 143             scorm_resize(<?php echo $scorm->width.", ".$scorm->height; ?>);
 144         };
 145     -->
 146     </script>
 147 <?php
 148     //}
 149     if (($sco->previd != 0) && ((!isset($sco->previous)) || ($sco->previous == 0))) {
 150         $scostr = '&scoid='.$sco->previd;
 151         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var prev="'.$CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modepop.$scostr."\";\n//]]>\n</script>\n";
 152     } else {
 153         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var prev="'.$CFG->wwwroot.'/mod/scorm/view.php?id='.$cm->id."\";\n//]]>\n</script>\n";
 154     }
 155     if (($sco->nextid != 0) && ((!isset($sco->next)) || ($sco->next == 0))) {
 156         $scostr = '&scoid='.$sco->nextid;
 157         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var next="'.$CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modepop.$scostr."\";\n//]]>\n</script>\n";
 158     } else {
 159         echo '    <script type="text/javascript">'."\n//<![CDATA[\n".'var next="'.$CFG->wwwroot.'/mod/scorm/view.php?id='.$cm->id."\";\n//]]>\n</script>\n";
 160     }
 161 ?>
 162     <div id="scormpage">
 163 <?php
 164     if ($scorm->hidetoc == 0) {
 165 ?>
 166         <div id="tocbox">
 167 <?php
 168         if ($scorm->hidenav ==0){
 169 ?>
 170             <!-- Bottons nav at left-->
 171             <div id="tochead">
 172                 <form name="tochead" method="post" action="player.php?id=<?php echo $cm->id ?>" target="_top">
 173 <?php
 174             $orgstr = '&amp;currentorg='.$currentorg;
 175             if (($scorm->hidenav == 0) && ($sco->previd != 0) && (!isset($sco->previous) || $sco->previous == 0)) {
 176                 // Print the prev LO button
 177                 $scostr = '&amp;scoid='.$sco->previd;
 178                 $url = $CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modestr.$scostr;
 179 ?>
 180                     <input name="prev" type="button" value="<?php print_string('prev','scorm') ?>" onClick="document.location.href=' <?php echo $url; ?> '"/>
 181 <?php
 182             }
 183             if (($scorm->hidenav == 0) && ($sco->nextid != 0) && (!isset($sco->next) || $sco->next == 0)) {
 184                 // Print the next LO button
 185                 $scostr = '&amp;scoid='.$sco->nextid;
 186                 $url = $CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modestr.$scostr;
 187 ?>
 188                     <input name="next" type="button" value="<?php print_string('next','scorm') ?>" onClick="document.location.href=' <?php echo $url; ?> '"/>
 189 <?php
 190             }
 191 ?>
 192                 </form>
 193             </div> <!-- tochead -->
 194 <?php
 195         }
 196 ?>
 197             <div id="toctree" class="generalbox">
 198             <?php echo $result->toc; ?>
 199             </div> <!-- toctree -->
 200         </div> <!--  tocbox -->
 201 <?php
 202         $class = ' class="toc"';
 203     } else {
 204         $class = ' class="no-toc"';
 205     }
 206 ?>
 207         <div id="scormbox"<?php echo $class; if(($scorm->hidetoc == 2) || ($scorm->hidetoc == 1)){echo 'style="width:100%"';}?>>
 208 <?php
 209     // This very big test check if is necessary the "scormtop" div
 210     if (
 211            ($mode != 'normal') ||  // We are not in normal mode so review or browse text will displayed
 212            (
 213                ($scorm->hidenav == 0) &&  // Teacher want to display navigation links
 214                ($scorm->hidetoc != 0) &&  // The buttons has not been displayed
 215                (
 216                    (
 217                        ($sco->previd != 0) &&  // This is not the first learning object of the package
 218                        ((!isset($sco->previous)) || ($sco->previous == 0))   // Moodle must manage the previous link
 219                    ) ||
 220                    (
 221                        ($sco->nextid != 0) &&  // This is not the last learning object of the package
 222                        ((!isset($sco->next)) || ($sco->next == 0))       // Moodle must manage the next link
 223                    )
 224                )
 225            ) || ($scorm->hidetoc == 2)      // Teacher want to display toc in a small dropdown menu
 226        ) {
 227 ?>
 228             <div id="scormtop">
 229         <?php echo $mode == 'browse' ? '<div id="scormmode" class="scorm-left">'.get_string('browsemode','scorm')."</div>\n" : ''; ?>
 230         <?php echo $mode == 'review' ? '<div id="scormmode" class="scorm-left">'.get_string('reviewmode','scorm')."</div>\n" : ''; ?>
 231 <?php
 232        if (($scorm->hidenav == 0) || ($scorm->hidetoc == 2) || ($scorm->hidetoc == 1)) {
 233 ?>
 234                 <div id="scormnav" class="scorm-right">
 235         <?php
 236             $orgstr = '&amp;currentorg='.$currentorg;
 237             if (($scorm->hidenav == 0) && ($sco->previd != 0) && (!isset($sco->previous) || $sco->previous == 0) && (($scorm->hidetoc == 2) || ($scorm->hidetoc == 1)) ) {
 238
 239                 // Print the prev LO button
 240                 $scostr = '&amp;scoid='.$sco->previd;
 241                 $url = $CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modestr.$scostr;
 242 ?>
 243                     <form name="scormnavprev" method="post" action="player.php?id=<?php echo $cm->id ?>" target="_top" style= "display:inline">
 244                         <input name="prev" type="button" value="<?php print_string('prev','scorm') ?>" onClick="document.location.href=' <?php echo $url; ?> '"/>
 245                     </form>
 246 <?php
 247             }
 248             if ($scorm->hidetoc == 2) {
 249                 echo $result->tocmenu;
 250             }
 251             if (($scorm->hidenav == 0) && ($sco->nextid != 0) && (!isset($sco->next) || $sco->next == 0) && (($scorm->hidetoc == 2) || ($scorm->hidetoc == 1))) {
 252                 // Print the next LO button
 253                 $scostr = '&amp;scoid='.$sco->nextid;
 254                 $url = $CFG->wwwroot.'/mod/scorm/player.php?id='.$cm->id.$orgstr.$modestr.$scostr;
 255 ?>
 256                     <form name="scormnavnext" method="post" action="player.php?id=<?php echo $cm->id ?>" target="_top" style= "display:inline">
 257                         <input name="next" type="button" value="<?php print_string('next','scorm') ?>" onClick="document.location.href=' <?php echo $url; ?> '"/>
 258                     </form>
 259 <?php
 260             }
 261         ?>
 262                 </div>
 263 <?php
 264         }
 265 ?>
 266             </div> <!-- Scormtop -->
 267 <?php
 268     } // The end of the very big test
 269 ?>
 270             <div id="scormobject" class="scorm-right">
 271                 <noscript>
 272                     <div id="noscript">
 273                         <?php print_string('noscriptnoscorm','scorm'); // No Martin(i), No Party ;-) ?>
 274                     </div>
 275                 </noscript>
 276 <?php
 277     if ($result->prerequisites) {
 278         if ($scorm->popup == 0) {
 279             echo "                <script type=\"text/javascript\">scorm_resize(".$scorm->width.", ".$scorm->height.");</script>\n";
 280             $fullurl="loadSCO.php?id=".$cm->id.$scoidstr.$modestr;
 281             echo "                <iframe id=\"scoframe1\" class=\"scoframe\" name=\"scoframe1\" src=\"{$fullurl}\"></iframe>\n";
 282         } else {
 283             // Clean the name for the window as IE is fussy
 284             $name = ereg_replace("[^A-Za-z0-9]", "", $scorm->name);
 285             if (!$name) {
 286                 $name = 'DefaultPlayerWindow';
 287             }
 288             $name = 'scorm_'.$name;
 289             ?>
 290                     <script type="text/javascript">
 291                     //<![CDATA[
 292                     scorm_resize(<?php echo $scorm->width.", ". $scorm->height; ?>);
 293                         function openpopup(url,name,options,width,height) {
 294                             fullurl = "<?php echo $CFG->wwwroot.'/mod/scorm/' ?>" + url;
 295                             windowobj = window.open(fullurl,name,options);
 296                             if ((width==100) && (height==100)) {
 297                                 // Fullscreen
 298                                 windowobj.moveTo(0,0);
 299                             }
 300                             if (width<=100) {
 301                                 width = Math.round(screen.availWidth * width / 100);
 302                             }
 303                             if (height<=100) {
 304                                 height = Math.round(screen.availHeight * height / 100);
 305                             }
 306                             windowobj.resizeTo(width,height);
 307                             windowobj.focus();
 308                             return windowobj;
 309                         }
 310
 311                         url = "loadSCO.php?id=<?php echo $cm->id.$scoidpop ?>";
 312                         width = <?php p($scorm->width) ?>;
 313                         height = <?php p($scorm->height) ?>;
 314                         var main = openpopup(url, "<?php p($name) ?>", "<?php p($scorm->options) ?>", width, height);
 315                     //]]>
 316                     </script>
 317                     <noscript>
 318                     <iframe id="main" class="scoframe" src="loadSCO.php?id=<?php echo $cm->id.$scoidstr.$modestr ?>">
 319                     </iframe>
 320                     </noscript>
 321 <?php
 322         }
 323     } else {
 324         print_simple_box(get_string('noprerequisites','scorm'),'center');
 325     }
 326 ?>
 327             </div> <!-- SCORM object -->
 328         </div> <!-- SCORM box  -->
 329     </div> <!-- SCORM page -->
 330 <?php print_footer('none'); ?>