mod/scorm/loaddatamodel.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * This page loads the correct JS file based on package type
  19  *
  20  * @package mod_scorm
  21  * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
  22  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once("../../config.php");
  26 require_once('locallib.php');
  27
  28 $id = optional_param('id', 0, PARAM_INT);       // Course Module ID, or
  29 $a = optional_param('a', 0, PARAM_INT);         // scorm ID.
  30 $scoid = required_param('scoid', PARAM_INT);     // sco ID.
  31 $mode = optional_param('mode', '', PARAM_ALPHA); // navigation mode.
  32 $currentorg = optional_param('currentorg', '', PARAM_RAW); // Selected organization.
  33 $attempt = required_param('attempt', PARAM_INT); // new attempt.
  34
  35 if (!empty($id)) {
  36     $cm = get_coursemodule_from_id('scorm', $id, 0, false, MUST_EXIST);
  37     $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
  38     $scorm = $DB->get_record('scorm', array('id'=>$cm->instance), '*', MUST_EXIST);
  39 } else if (!empty($a)) {
  40     $scorm = $DB->get_record('scorm', array('id'=>$a), '*', MUST_EXIST);
  41     $course = $DB->get_record('course', array('id'=>$scorm->course), '*', MUST_EXIST);
  42     $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id, false, MUST_EXIST);
  43 } else {
  44     print_error('missingparameter');
  45 }
  46
  47 $PAGE->set_url('/mod/scorm/loaddatamodel.php', array('scoid'=>$scoid, 'id'=>$cm->id));
  48
  49 require_login($course, false, $cm);
  50
  51 $userdata = new stdClass();
  52 if ($usertrack = scorm_get_tracks($scoid, $USER->id, $attempt)) {
  53     // According to SCORM 2004 spec(RTE V1, 4.2.8), only cmi.exit==suspend should allow previous datamodel elements on re-launch.
  54     if (!scorm_version_check($scorm->version, SCORM_13) ||
  55         (isset($usertrack->{'cmi.exit'}) && ($usertrack->{'cmi.exit'} == 'suspend'))) {
  56         foreach ($usertrack as $key => $value) {
  57             $userdata->$key = addslashes_js($value);
  58         }
  59     } else {
  60         $userdata->status = '';
  61         $userdata->score_raw = '';
  62     }
  63 } else {
  64     $userdata->status = '';
  65     $userdata->score_raw = '';
  66 }
  67 $userdata->student_id = addslashes_js($USER->username);
  68 $userdata->student_name = addslashes_js($USER->lastname .', '. $USER->firstname);
  69 $userdata->mode = 'normal';
  70 if (!empty($mode)) {
  71     $userdata->mode = $mode;
  72 }
  73 if ($userdata->mode == 'normal') {
  74     $userdata->credit = 'credit';
  75 } else {
  76     $userdata->credit = 'no-credit';
  77 }
  78 if ($scodatas = scorm_get_sco($scoid, SCO_DATA)) {
  79     foreach ($scodatas as $key => $value) {
  80         $userdata->$key = addslashes_js($value);
  81     }
  82 } else {
  83     print_error('cannotfindsco', 'scorm');
  84 }
  85 if (!$sco = scorm_get_sco($scoid)) {
  86     print_error('cannotfindsco', 'scorm');
  87 }
  88 if (scorm_version_check($scorm->version, SCORM_13)) {
  89     $objectives = $DB->get_records('scorm_seq_objective', array('scoid' => $scoid));
  90     $index = 0;
  91     foreach ($objectives as $objective) {
  92         if (!empty($objective->minnormalizedmeasure)) {
  93             $userdata->{'cmi.scaled_passing_score'} = $objective->minnormalizedmeasure;
  94         }
  95         if (!empty($objective->objectiveid)) {
  96             $userdata->{'cmi.objectives.N'.$index.'.id'} = $objective->objectiveid;
  97             $index++;
  98         }
  99     }
 100 }
 101
 102 header('Content-Type: text/javascript; charset=UTF-8');
 103
 104 $scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR));   // Just to be safe.
 105 if (file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'.js.php')) {
 106     include_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'.js.php');
 107 } else {
 108     include_once($CFG->dirroot.'/mod/scorm/datamodels/scorm_12.js.php');
 109 }
 110 // Set the start time of this SCO.
 111 scorm_insert_track($USER->id, $scorm->id, $scoid, $attempt, 'x.start.time', time());
 112 ?>
 113
 114
 115 var errorCode = "0";
 116 function underscore(str) {
 117     str = String(str).replace(/.N/g,".");
 118     return str.replace(/\./g,"__");
 119 }