mod/scorm/datamodels/scorm_12.js.php

   1 <?php
   2     if (isset($userdata->status)) {
   3         if ($userdata->status == '') {
   4             $userdata->entry = 'ab-initio';
   5         } else {
   6             if (isset($userdata->{'cmi.core.exit'}) && ($userdata->{'cmi.core.exit'} == 'suspend')) {
   7                 $userdata->entry = 'resume';
   8             } else {
   9                 $userdata->entry = '';
  10             }
  11         }
  12     }
  13 ?>
  14 //
  15 // SCORM 1.2 API Implementation
  16 //
  17 function SCORMapi1_2() {
  18     // Standard Data Type Definition
  19     CMIString256 = '^.{0,255}$';
  20     CMIString4096 = '^.{0,4096}$';
  21     //CMIString256 = '^[\.|\\n|\\r]{0,255}$';
  22     //CMIString4096 = '^[\.|\\n|\\r]{0,4095}$';
  23     CMITime = '^([0-2]{1}[0-9]{1}):([0-5]{1}[0-9]{1}):([0-5]{1}[0-9]{1})(\.[0-9]{1,2})?$';
  24     CMITimespan = '^([0-9]{2,4}):([0-9]{2}):([0-9]{2})(\.[0-9]{1,2})?$';
  25     CMIInteger = '^\\d+$';
  26     CMISInteger = '^-?([0-9]+)$';
  27     CMIDecimal = '^-?([0-9]{0,3})(\.[0-9]{1,2})?$';
  28     CMIIdentifier = '^\\w{1,255}$';
  29     CMIFeedback = CMIString256; // This must be redefined
  30     CMIIndex = '[._](\\d+).';
  31     // Vocabulary Data Type Definition
  32     CMIStatus = '^passed$|^completed$|^failed$|^incomplete$|^browsed$';
  33     CMIStatus2 = '^passed$|^completed$|^failed$|^incomplete$|^browsed$|^not attempted$';
  34     CMIExit = '^time-out$|^suspend$|^logout$|^$';
  35     CMIType = '^true-false$|^choice$|^fill-in$|^matching$|^performance$|^sequencing$|^likert$|^numeric$';
  36     CMIResult = '^correct$|^wrong$|^unanticipated$|^neutral$|^([0-9]{0,3})?(\.[0-9]{1,2})?$';
  37     NAVEvent = '^previous$|^continue$';
  38     // Children lists
  39     cmi_children = 'core, suspend_data, launch_data, comments, objectives, student_data, student_preference, interactions';
  40     core_children = 'student_id, student_name, lesson_location, credit, lesson_status, entry, score, total_time, lesson_mode, exit, session_time';
  41     score_children = 'raw, min, max';
  42     objectives_children = 'id, score, status';
  43     student_data_children = 'mastery_score, max_time_allowed, time_limit_action';
  44     student_preference_children = 'audio, language, speed, text';
  45     interactions_children = 'id, objectives, time, type, correct_responses, weighting, student_response, result, latency';
  46     // Data ranges
  47     score_range = '0#100';
  48     audio_range = '-1#100';
  49     speed_range = '-100#100';
  50     weighting_range = '-100#100';
  51     text_range = '-1#1';
  52     // The SCORM 1.2 data model
  53     var datamodel =  {
  54         'cmi._children':{'defaultvalue':cmi_children, 'mod':'r', 'writeerror':'402'},
  55         'cmi._version':{'defaultvalue':'3.4', 'mod':'r', 'writeerror':'402'},
  56         'cmi.core._children':{'defaultvalue':core_children, 'mod':'r', 'writeerror':'402'},
  57         'cmi.core.student_id':{'defaultvalue':'<?php echo $userdata->student_id ?>', 'mod':'r', 'writeerror':'403'},
  58         'cmi.core.student_name':{'defaultvalue':'<?php echo addslashes($userdata->student_name) ?>', 'mod':'r', 'writeerror':'403'},
  59         'cmi.core.lesson_location':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.lesson_location'})?$userdata->{'cmi.core.lesson_location'}:'' ?>', 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
  60         'cmi.core.credit':{'defaultvalue':'<?php echo $userdata->credit ?>', 'mod':'r', 'writeerror':'403'},
  61         'cmi.core.lesson_status':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.lesson_status'})?$userdata->{'cmi.core.lesson_status'}:'' ?>', 'format':CMIStatus, 'mod':'rw', 'writeerror':'405'},
  62         'cmi.core.entry':{'defaultvalue':'<?php echo $userdata->entry ?>', 'mod':'r', 'writeerror':'403'},
  63         'cmi.core.score._children':{'defaultvalue':score_children, 'mod':'r', 'writeerror':'402'},
  64         'cmi.core.score.raw':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.score.raw'})?$userdata->{'cmi.core.score.raw'}:'' ?>', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
  65         'cmi.core.score.max':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.score.max'})?$userdata->{'cmi.core.score.max'}:'' ?>', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
  66         'cmi.core.score.min':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.score.min'})?$userdata->{'cmi.core.score.min'}:'' ?>', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
  67         'cmi.core.total_time':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.total_time'})?$userdata->{'cmi.core.total_time'}:'00:00:00' ?>', 'mod':'r', 'writeerror':'403'},
  68         'cmi.core.lesson_mode':{'defaultvalue':'<?php echo $userdata->mode ?>', 'mod':'r', 'writeerror':'403'},
  69         'cmi.core.exit':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.exit'})?$userdata->{'cmi.core.exit'}:'' ?>', 'format':CMIExit, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
  70         'cmi.core.session_time':{'format':CMITimespan, 'mod':'w', 'defaultvalue':'00:00:00', 'readerror':'404', 'writeerror':'405'},
  71         'cmi.suspend_data':{'defaultvalue':'<?php echo isset($userdata->{'cmi.suspend_data'})?$userdata->{'cmi.suspend_data'}:'' ?>', 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},
  72         'cmi.launch_data':{'defaultvalue':'<?php echo isset($userdata->datafromlms)?$userdata->datafromlms:'' ?>', 'mod':'r', 'writeerror':'403'},
  73         'cmi.comments':{'defaultvalue':'<?php echo isset($userdata->{'cmi.comments'})?$userdata->{'cmi.comments'}:'' ?>', 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},
  74         'cmi.comments_from_lms':{'mod':'r', 'writeerror':'403'},
  75         'cmi.objectives._children':{'defaultvalue':objectives_children, 'mod':'r', 'writeerror':'402'},
  76         'cmi.objectives._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
  77         'cmi.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'rw', 'writeerror':'405'},
  78         'cmi.objectives.n.score._children':{'pattern':CMIIndex, 'mod':'r', 'writeerror':'402'},
  79         'cmi.objectives.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
  80         'cmi.objectives.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
  81         'cmi.objectives.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
  82         'cmi.objectives.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},
  83         'cmi.student_data._children':{'defaultvalue':student_data_children, 'mod':'r', 'writeerror':'402'},
  84         'cmi.student_data.mastery_score':{'defaultvalue':'<?php echo isset($userdata->masteryscore)?$userdata->masteryscore:'' ?>', 'mod':'r', 'writeerror':'403'},
  85         'cmi.student_data.max_time_allowed':{'defaultvalue':'<?php echo isset($userdata->maxtimeallowed)?$userdata->maxtimeallowed:'' ?>', 'mod':'r', 'writeerror':'403'},
  86         'cmi.student_data.time_limit_action':{'defaultvalue':'<?php echo isset($userdata->timelimitaction)?$userdata->timelimitaction:'' ?>', 'mod':'r', 'writeerror':'403'},
  87         'cmi.student_preference._children':{'defaultvalue':student_preference_children, 'mod':'r', 'writeerror':'402'},
  88         'cmi.student_preference.audio':{'defaultvalue':'0', 'format':CMISInteger, 'range':audio_range, 'mod':'rw', 'writeerror':'405'},
  89         'cmi.student_preference.language':{'defaultvalue':'', 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
  90         'cmi.student_preference.speed':{'defaultvalue':'0', 'format':CMISInteger, 'range':speed_range, 'mod':'rw', 'writeerror':'405'},
  91         'cmi.student_preference.text':{'defaultvalue':'0', 'format':CMISInteger, 'range':text_range, 'mod':'rw', 'writeerror':'405'},
  92         'cmi.interactions._children':{'defaultvalue':interactions_children, 'mod':'r', 'writeerror':'402'},
  93         'cmi.interactions._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
  94         'cmi.interactions.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
  95         'cmi.interactions.n.objectives._count':{'pattern':CMIIndex, 'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
  96         'cmi.interactions.n.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
  97         'cmi.interactions.n.time':{'pattern':CMIIndex, 'format':CMITime, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
  98         'cmi.interactions.n.type':{'pattern':CMIIndex, 'format':CMIType, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
  99         'cmi.interactions.n.correct_responses._count':{'pattern':CMIIndex, 'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
 100         'cmi.interactions.n.correct_responses.n.pattern':{'pattern':CMIIndex, 'format':CMIFeedback, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
 101         'cmi.interactions.n.weighting':{'pattern':CMIIndex, 'format':CMIDecimal, 'range':weighting_range, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
 102         'cmi.interactions.n.student_response':{'pattern':CMIIndex, 'format':CMIFeedback, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
 103         'cmi.interactions.n.result':{'pattern':CMIIndex, 'format':CMIResult, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
 104         'cmi.interactions.n.latency':{'pattern':CMIIndex, 'format':CMITimespan, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
 105         'nav.event':{'defaultvalue':'', 'format':NAVEvent, 'mod':'w', 'readerror':'404', 'writeerror':'405'}
 106     };
 107     //
 108     // Datamodel inizialization
 109     //
 110     var cmi = new Object();
 111         cmi.core = new Object();
 112         cmi.core.score = new Object();
 113         cmi.objectives = new Object();
 114         cmi.student_data = new Object();
 115         cmi.student_preference = new Object();
 116         cmi.interactions = new Object();
 117
 118     // Navigation Object
 119     var nav = new Object();
 120
 121     for (element in datamodel) {
 122         if (element.match(/\.n\./) == null) {
 123             if ((typeof eval('datamodel["'+element+'"].defaultvalue')) != 'undefined') {
 124                 eval(element+' = datamodel["'+element+'"].defaultvalue;');
 125             } else {
 126                 eval(element+' = "";');
 127             }
 128         }
 129     }
 130
 131 <?php
 132     $count = 0;
 133     $objectives = '';
 134     foreach($userdata as $element => $value){
 135         if (substr($element,0,14) == 'cmi.objectives') {
 136             preg_match('/\.(\d+)\./',$element,$matches);
 137             $element = preg_replace('/\.(\d+)\./',".\$1.",$element);
 138             if ($matches[1] == $count) {
 139                 $count++;
 140                 $end = strpos($element,$matches[1])+strlen($matches[1]);
 141                 $subelement = substr($element,0,$end);
 142                 echo '    '.$subelement." = new Object();\n";
 143                 echo '    '.$subelement.".score = new Object();\n";
 144                 echo '    '.$subelement.".score._children = score_children;\n";
 145                 echo '    '.$subelement.".score.raw = '';\n";
 146                 echo '    '.$subelement.".score.min = '';\n";
 147                 echo '    '.$subelement.".score.max = '';\n";
 148             }
 149             echo '    '.$element.' = \''.$value."';\n";
 150         }
 151     }
 152     if ($count > 0) {
 153         echo '    cmi.objectives._count = '.$count.";\n";
 154     }
 155 ?>
 156
 157     if (cmi.core.lesson_status == '') {
 158         cmi.core.lesson_status = 'not attempted';
 159     }
 160
 161     //
 162     // API Methods definition
 163     //
 164     var Initialized = false;
 165
 166     function LMSInitialize (param) {
 167         errorCode = "0";
 168         if (param == "") {
 169             if (!Initialized) {
 170                 <?php
 171                     if (debugging('',DEBUG_DEVELOPER)) {
 172                         echo 'alert("Initialized SCORM 1.2");';
 173                     }
 174                 ?>
 175                 Initialized = true;
 176                 errorCode = "0";
 177                 return "true";
 178             } else {
 179                 errorCode = "101";
 180             }
 181         } else {
 182             errorCode = "201";
 183         }
 184         return "false";
 185     }
 186
 187     function LMSFinish (param) {
 188         errorCode = "0";
 189         if (param == "") {
 190             if (Initialized) {
 191                 <?php
 192                     if (debugging('',DEBUG_DEVELOPER)) {
 193                         echo 'alert("Finished SCORM 1.2");';
 194                     }
 195                 ?>
 196                 Initialized = false;
 197                 result = StoreData(cmi,true);
 198                 if (nav.event != '') {
 199                     if (nav.event == 'continue') {
 200                         setTimeout('top.document.location=top.next;',500);
 201                     } else {
 202                         setTimeout('top.document.location=top.prev;',500);
 203                     }
 204                 } else {
 205                     if (<?php echo $scorm->auto ?> == 1) {
 206                         setTimeout('top.document.location=top.next;',500);
 207                     }
 208                 }
 209                 return "true";
 210             } else {
 211                 errorCode = "301";
 212             }
 213         } else {
 214             errorCode = "201";
 215         }
 216         return "false";
 217     }
 218
 219     function LMSGetValue (element) {
 220         errorCode = "0";
 221         if (Initialized) {
 222             if (element !="") {
 223                 expression = new RegExp(CMIIndex,'g');
 224                 elementmodel = element.replace(expression,'.n.');
 225                 if ((typeof eval('datamodel["'+elementmodel+'"]')) != "undefined") {
 226                     if (eval('datamodel["'+elementmodel+'"].mod') != 'w') {
 227                             element = element.replace(expression, "_$1.");
 228                             elementIndexes = element.split('.');
 229                         subelement = 'cmi';
 230                         i = 1;
 231                         while ((i < elementIndexes.length) && (typeof eval(subelement) != "undefined")) {
 232                             subelement += '.'+elementIndexes[i++];
 233                         }
 234                             if (subelement == element) {
 235                             errorCode = "0";
 236                             <?php
 237                                 if (debugging('',DEBUG_DEVELOPER)) {
 238                                     echo 'alert(element+": "+eval(element));';
 239                                 }
 240                             ?>
 241                             return eval(element);
 242                         } else {
 243                             errorCode = "0"; // Need to check if it is the right errorCode
 244                         }
 245                     } else {
 246                         errorCode = eval('datamodel["'+elementmodel+'"].readerror');
 247                     }
 248                 } else {
 249                     childrenstr = '._children';
 250                     countstr = '._count';
 251                     if (elementmodel.substr(elementmodel.length-childrenstr.length,elementmodel.length) == childrenstr) {
 252                         parentmodel = elementmodel.substr(0,elementmodel.length-childrenstr.length);
 253                         if ((typeof eval('datamodel["'+parentmodel+'"]')) != "undefined") {
 254                             errorCode = "202";
 255                         } else {
 256                             errorCode = "201";
 257                         }
 258                     } else if (elementmodel.substr(elementmodel.length-countstr.length,elementmodel.length) == countstr) {
 259                         parentmodel = elementmodel.substr(0,elementmodel.length-countstr.length);
 260                         if ((typeof eval('datamodel["'+parentmodel+'"]')) != "undefined") {
 261                             errorCode = "203";
 262                         } else {
 263                             errorCode = "201";
 264                         }
 265                     } else {
 266                         errorCode = "201";
 267                     }
 268                 }
 269             } else {
 270                 errorCode = "201";
 271             }
 272         } else {
 273             errorCode = "301";
 274         }
 275         return "";
 276     }
 277
 278     function LMSSetValue (element,value) {
 279         errorCode = "0";
 280         if (Initialized) {
 281             if (element != "") {
 282                 expression = new RegExp(CMIIndex,'g');
 283                 elementmodel = element.replace(expression,'.n.');
 284                 if ((typeof eval('datamodel["'+elementmodel+'"]')) != "undefined") {
 285                     if (eval('datamodel["'+elementmodel+'"].mod') != 'r') {
 286                         expression = new RegExp(eval('datamodel["'+elementmodel+'"].format'));
 287                         value = value+'';
 288                         matches = value.match(expression);
 289                         if (matches != null) {
 290                             //Create dynamic data model element
 291                             if (element != elementmodel) {
 292                                 elementIndexes = element.split('.');
 293                                 subelement = 'cmi';
 294                                 for (i=1;i < elementIndexes.length-1;i++) {
 295                                     elementIndex = elementIndexes[i];
 296                                     if (elementIndexes[i+1].match(/^\d+$/)) {
 297                                         if ((typeof eval(subelement+'.'+elementIndex)) == "undefined") {
 298                                             eval(subelement+'.'+elementIndex+' = new Object();');
 299                                             eval(subelement+'.'+elementIndex+'._count = 0;');
 300                                         }
 301                                         if (elementIndexes[i+1] == eval(subelement+'.'+elementIndex+'._count')) {
 302                                             eval(subelement+'.'+elementIndex+'._count++;');
 303                                         }
 304                                         if (elementIndexes[i+1] > eval(subelement+'.'+elementIndex+'._count')) {
 305                                             errorCode = "201";
 306                                         }
 307                                         subelement = subelement.concat('.'+elementIndex+'_'+elementIndexes[i+1]);
 308                                         i++;
 309                                     } else {
 310                                         subelement = subelement.concat('.'+elementIndex);
 311                                     }
 312                                     if ((typeof eval(subelement)) == "undefined") {
 313                                         eval(subelement+' = new Object();');
 314                                         if (subelement.substr(0,14) == 'cmi.objectives') {
 315                                             eval(subelement+'.score = new Object();');
 316                                             eval(subelement+'.score._children = score_children;');
 317                                             eval(subelement+'.score.raw = "";');
 318                                             eval(subelement+'.score.min = "";');
 319                                             eval(subelement+'.score.max = "";');
 320                                         }
 321                                         if (subelement.substr(0,16) == 'cmi.interactions') {
 322                                             eval(subelement+'.objectives = new Object();');
 323                                             eval(subelement+'.objectives._count = 0;');
 324                                             eval(subelement+'.correct_responses = new Object();');
 325                                             eval(subelement+'.correct_responses._count = 0;');
 326                                         }
 327                                     }
 328                                 }
 329                                 element = subelement.concat('.'+elementIndexes[elementIndexes.length-1]);
 330                             }
 331                             //Store data
 332                             if (errorCode == "0") {
 333                                 if ((typeof eval('datamodel["'+elementmodel+'"].range')) != "undefined") {
 334                                     range = eval('datamodel["'+elementmodel+'"].range');
 335                                     ranges = range.split('#');
 336                                     value = value*1.0;
 337                                     if ((value >= ranges[0]) && (value <= ranges[1])) {
 338                                         eval(element+'=value;');
 339                                         errorCode = "0";
 340                                         <?php
 341                                             if (debugging('',DEBUG_DEVELOPER)) {
 342                                                 echo 'alert(element+":= "+value);';
 343                                             }
 344                                         ?>
 345                                         return "true";
 346                                     } else {
 347                                         errorCode = eval('datamodel["'+elementmodel+'"].writeerror');
 348                                     }
 349                                 } else {
 350                                     if (element == 'cmi.comments') {
 351                                         eval(element+'=value;');
 352                                     } else {
 353                                         eval(element+'=value;');
 354                                     }
 355                                     errorCode = "0";
 356                                     <?php
 357                                         if (debugging('',DEBUG_DEVELOPER)) {
 358                                             echo 'alert(element+":= "+value);';
 359                                         }
 360                                     ?>
 361                                     return "true";
 362                                 }
 363                             }
 364                         } else {
 365                             errorCode = eval('datamodel["'+elementmodel+'"].writeerror');
 366                         }
 367                     } else {
 368                         errorCode = eval('datamodel["'+elementmodel+'"].writeerror');
 369                     }
 370                 } else {
 371                     errorCode = "201"
 372                 }
 373             } else {
 374                 errorCode = "201";
 375             }
 376         } else {
 377             errorCode = "301";
 378         }
 379         return "false";
 380     }
 381
 382     function LMSCommit (param) {
 383         errorCode = "0";
 384         if (param == "") {
 385             if (Initialized) {
 386                 result = StoreData(cmi,false);
 387                 <?php
 388                     if (debugging('',DEBUG_DEVELOPER)) {
 389                         echo 'alert("Data Commited");';
 390                     }
 391                 ?>
 392                 return "true";
 393             } else {
 394                 errorCode = "301";
 395             }
 396         } else {
 397             errorCode = "201";
 398         }
 399         return "false";
 400     }
 401
 402     function LMSGetLastError () {
 403         return errorCode;
 404     }
 405
 406     function LMSGetErrorString (param) {
 407         if (param != "") {
 408             var errorString = new Array();
 409             errorString["0"] = "No error";
 410             errorString["101"] = "General exception";
 411             errorString["201"] = "Invalid argument error";
 412             errorString["202"] = "Element cannot have children";
 413             errorString["203"] = "Element not an array - cannot have count";
 414             errorString["301"] = "Not initialized";
 415             errorString["401"] = "Not implemented error";
 416             errorString["402"] = "Invalid set value, element is a keyword";
 417             errorString["403"] = "Element is read only";
 418             errorString["404"] = "Element is write only";
 419             errorString["405"] = "Incorrect data type";
 420             return errorString[param];
 421         } else {
 422            return "";
 423         }
 424     }
 425
 426     function LMSGetDiagnostic (param) {
 427         if (param == "") {
 428             param = errorCode;
 429         }
 430         return param;
 431     }
 432
 433     function AddTime (first, second) {
 434         var sFirst = first.split(":");
 435         var sSecond = second.split(":");
 436         var cFirst = sFirst[2].split(".");
 437         var cSecond = sSecond[2].split(".");
 438         var change = 0;
 439
 440         FirstCents = 0;  //Cents
 441         if (cFirst.length > 1) {
 442             FirstCents = parseInt(cFirst[1],10);
 443         }
 444         SecondCents = 0;
 445         if (cSecond.length > 1) {
 446             SecondCents = parseInt(cSecond[1],10);
 447         }
 448         var cents = FirstCents + SecondCents;
 449         change = Math.floor(cents / 100);
 450         cents = cents - (change * 100);
 451         if (Math.floor(cents) < 10) {
 452             cents = "0" + cents.toString();
 453         }
 454
 455         var secs = parseInt(cFirst[0],10)+parseInt(cSecond[0],10)+change;  //Seconds
 456         change = Math.floor(secs / 60);
 457         secs = secs - (change * 60);
 458         if (Math.floor(secs) < 10) {
 459             secs = "0" + secs.toString();
 460         }
 461
 462         mins = parseInt(sFirst[1],10)+parseInt(sSecond[1],10)+change;   //Minutes
 463         change = Math.floor(mins / 60);
 464         mins = mins - (change * 60);
 465         if (mins < 10) {
 466             mins = "0" + mins.toString();
 467         }
 468
 469         hours = parseInt(sFirst[0],10)+parseInt(sSecond[0],10)+change;  //Hours
 470         if (hours < 10) {
 471             hours = "0" + hours.toString();
 472         }
 473
 474         if (cents != '0') {
 475             return hours + ":" + mins + ":" + secs + '.' + cents;
 476         } else {
 477             return hours + ":" + mins + ":" + secs;
 478         }
 479     }
 480
 481     function TotalTime() {
 482         total_time = AddTime(cmi.core.total_time, cmi.core.session_time);
 483         return '&'+underscore('cmi.core.total_time')+'='+encodeURIComponent(total_time);
 484     }
 485
 486     function CollectData(data,parent) {
 487         var datastring = '';
 488         for (property in data) {
 489             if (typeof data[property] == 'object') {
 490                 datastring += CollectData(data[property],parent+'.'+property);
 491             } else {
 492                 element = parent+'.'+property;
 493                 expression = new RegExp(CMIIndex,'g');
 494                 elementmodel = element.replace(expression,'.n.');
 495                 if (elementmodel != "cmi.core.session_time") {
 496                     if ((typeof eval('datamodel["'+elementmodel+'"]')) != "undefined") {
 497                         if (eval('datamodel["'+elementmodel+'"].mod') != 'r') {
 498                             elementstring = '&'+underscore(element)+'='+encodeURIComponent(data[property]);
 499                             if ((typeof eval('datamodel["'+elementmodel+'"].defaultvalue')) != "undefined") {
 500                                 if (eval('datamodel["'+elementmodel+'"].defaultvalue') != data[property]) {
 501                                     datastring += elementstring;
 502                                 }
 503                             } else {
 504                                 datastring += elementstring;
 505                             }
 506                         }
 507                     }
 508                 }
 509             }
 510         }
 511         return datastring;
 512     }
 513
 514     function StoreData(data,storetotaltime) {
 515         if (storetotaltime) {
 516             if (cmi.core.lesson_status == 'not attempted') {
 517                 cmi.core.lesson_status = 'completed';
 518             }
 519             if (cmi.core.lesson_mode == 'normal') {
 520                 if (cmi.core.credit == 'credit') {
 521                     if (cmi.core.lesson_status == 'completed') {
 522                         if (cmi.student_data.mastery_score != '') {
 523                             if (parseFloat(cmi.core.score.raw) >= parseFloat(cmi.student_data.mastery_score)) {
 524                                 cmi.core.lesson_status = 'passed';
 525                             } else {
 526                                 cmi.core.lesson_status = 'failed';
 527                             }
 528                         }
 529                     }
 530                 }
 531             }
 532             if (cmi.core.lesson_mode == 'browse') {
 533                 if (datamodel['cmi.core.lesson_status'].defaultvalue == '') {
 534                     cmi.core.lesson_status = 'browsed';
 535                 }
 536             }
 537             datastring = CollectData(data,'cmi');
 538             datastring += TotalTime();
 539         } else {
 540             datastring = CollectData(data,'cmi');
 541         }
 542         datastring += '&attempt=<?php echo $attempt ?>';
 543         datastring += '&scoid=<?php echo $scoid ?>';
 544
 545         var myRequest = NewHttpReq();
 546         result = DoRequest(myRequest,"<?php p($CFG->wwwroot) ?>/mod/scorm/datamodel.php","id=<?php p($id) ?>&sesskey=<?php p($USER->sesskey) ?>"+datastring);
 547         results = result.split('\n');
 548         errorCode = results[1];
 549         return results[0];
 550     }
 551
 552     this.LMSInitialize = LMSInitialize;
 553     this.LMSFinish = LMSFinish;
 554     this.LMSGetValue = LMSGetValue;
 555     this.LMSSetValue = LMSSetValue;
 556     this.LMSCommit = LMSCommit;
 557     this.LMSGetLastError = LMSGetLastError;
 558     this.LMSGetErrorString = LMSGetErrorString;
 559     this.LMSGetDiagnostic = LMSGetDiagnostic;
 560 }
 561
 562 var API = new SCORMapi1_2();