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