AutorÃa | Ultima modificación | Ver Log |
// This file is part of Moodle - http://moodle.org///// Moodle is free software: you can redistribute it and/or modify// it under the terms of the GNU General Public License as published by// the Free Software Foundation, either version 3 of the License, or// (at your option) any later version.//// Moodle is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the// GNU General Public License for more details.//// You should have received a copy of the GNU General Public License// along with Moodle. If not, see <http://www.gnu.org/licenses/>.//// SCORM 1.2 API Implementation//function AICCapi(def, cmiobj, scormauto, cfgwwwroot, scormid, scoid, attempt, viewmode, currentorg, sesskey, cmid, autocommit) {var prerequrl = cfgwwwroot + "/mod/scorm/prereqs.php?a=" + scormid + "&scoid=" + scoid + "&attempt=" + attempt + "&mode=" + viewmode + "¤torg=" + currentorg + "&sesskey=" + sesskey;var datamodelurl = cfgwwwroot + "/mod/scorm/datamodel.php";var datamodelurlparams = "id=" + cmid + "&a=" + scormid + "&sesskey=" + sesskey + "&attempt=" + attempt + "&scoid=" + scoid;// Standard Data Type DefinitionCMIString256 = '^.{0,255}$';CMIString4096 = '^.{0,4096}$';CMITime = '^([0-2]{1}[0-9]{1}):([0-5]{1}[0-9]{1}):([0-5]{1}[0-9]{1})(\.[0-9]{1,2})?$';CMITimespan = '^([0-9]{2,4}):([0-9]{2}):([0-9]{2})(\.[0-9]{1,2})?$';CMIInteger = '^\\d+$';CMISInteger = '^-?([0-9]+)$';CMIDecimal = '^-?([0-9]{0,3})(\.[0-9]{1,2})?$';CMIIdentifier = '^\\w{1,255}$';CMIFeedback = CMIString256; // This must be redefinedCMIIndex = '[._](\\d+).';// Vocabulary Data Type DefinitionCMIStatus = '^passed$|^completed$|^failed$|^incomplete$|^browsed$';CMIStatus2 = '^passed$|^completed$|^failed$|^incomplete$|^browsed$|^not attempted$';CMIExit = '^time-out$|^suspend$|^logout$|^$';CMIType = '^true-false$|^choice$|^fill-in$|^matching$|^performance$|^sequencing$|^likert$|^numeric$';CMIResult = '^correct$|^wrong$|^unanticipated$|^neutral$|^([0-9]{0,3})?(\.[0-9]{1,2})?$';NAVEvent = '^previous$|^continue$';// Children listscmi_children = 'core, suspend_data, launch_data, comments, objectives, student_data, student_preference, interactions';core_children = 'student_id, student_name, lesson_location, credit, lesson_status, entry, score, total_time, lesson_mode, exit, session_time';score_children = 'raw, min, max';comments_children = 'content, location, time';objectives_children = 'id, score, status';student_data_children = 'attempt_number, tries, mastery_score, max_time_allowed, time_limit_action';student_preference_children = 'audio, language, speed, text';interactions_children = 'id, objectives, time, type, correct_responses, weighting, student_response, result, latency';// Data rangesscore_range = '0#100';audio_range = '-1#100';speed_range = '-100#100';weighting_range = '-100#100';text_range = '-1#1';// The AICC data modelvar datamodel = {};for(scoid in def){datamodel[scoid] = {'cmi._children':{'defaultvalue':cmi_children, 'mod':'r', 'writeerror':'402'},'cmi._version':{'defaultvalue':'3.4', 'mod':'r', 'writeerror':'402'},'cmi.core._children':{'defaultvalue':core_children, 'mod':'r', 'writeerror':'402'},'cmi.core.student_id':{'defaultvalue':def[scoid]['cmi.core.student_id'], 'mod':'r', 'writeerror':'403'},'cmi.core.student_name':{'defaultvalue':def[scoid]['cmi.core.student_name'], 'mod':'r', 'writeerror':'403'},'cmi.core.lesson_location':{'defaultvalue':def[scoid]['cmi.core.lesson_location'], 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},'cmi.core.credit':{'defaultvalue':def[scoid]['cmi.core.credit'], 'mod':'r', 'writeerror':'403'},'cmi.core.lesson_status':{'defaultvalue':def[scoid]['cmi.core.lesson_status'], 'format':CMIStatus, 'mod':'rw', 'writeerror':'405'},'cmi.core.exit':{'defaultvalue':def[scoid]['cmi.core.exit'], 'format':CMIExit, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.core.entry':{'defaultvalue':def[scoid]['cmi.core.entry'], 'mod':'r', 'writeerror':'403'},'cmi.core.score._children':{'defaultvalue':score_children, 'mod':'r', 'writeerror':'402'},'cmi.core.score.raw':{'defaultvalue':def[scoid]['cmi.core.score.raw'], 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.core.score.max':{'defaultvalue':def[scoid]['cmi.core.score.max'], 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.core.score.min':{'defaultvalue':def[scoid]['cmi.core.score.min'], 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.core.session_time':{'format':CMITimespan, 'mod':'w', 'defaultvalue':'00:00:00', 'readerror':'404', 'writeerror':'405'},'cmi.core.total_time':{'defaultvalue':def[scoid]['cmi.core.total_time'], 'mod':'r', 'writeerror':'403'},'cmi.core.lesson_mode':{'defaultvalue':def[scoid]['cmi.core.lesson_mode'], 'mod':'r', 'writeerror':'403'},'cmi.suspend_data':{'defaultvalue':def[scoid]['cmi.suspend_data'], 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},'cmi.launch_data':{'defaultvalue':def[scoid]['cmi.launch_data'], 'mod':'r', 'writeerror':'403'},'cmi.comments':{'defaultvalue':def[scoid]['cmi.comments'], 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},// deprecated evaluation attributes'cmi.evaluation.comments._count':{'defaultvalue':'0', 'mod':'r', 'writeerror':'402'},'cmi.evaluation.comments._children':{'defaultvalue':comments_children, 'mod':'r', 'writeerror':'402'},'cmi.evaluation.comments.n.content':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},'cmi.evaluation.comments.n.location':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},'cmi.evaluation.comments.n.time':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMITime, 'mod':'rw', 'writeerror':'405'},'cmi.comments_from_lms':{'mod':'r', 'writeerror':'403'},'cmi.objectives._children':{'defaultvalue':objectives_children, 'mod':'r', 'writeerror':'402'},'cmi.objectives._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},'cmi.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'rw', 'writeerror':'405'},'cmi.objectives.n.score._children':{'pattern':CMIIndex, 'mod':'r', 'writeerror':'402'},'cmi.objectives.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.objectives.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.objectives.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.objectives.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},'cmi.student_data._children':{'defaultvalue':student_data_children, 'mod':'r', 'writeerror':'402'},'cmi.student_data.attempt_number':{'defaultvalue':def[scoid]['cmi.student_data.attempt_number'], 'mod':'r', 'writeerror':'402'},'cmi.student_data.tries.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.student_data.tries.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.student_data.tries.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},'cmi.student_data.tries.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},'cmi.student_data.tries.n.time':{'pattern':CMIIndex, 'format':CMITime, 'mod':'rw', 'writeerror':'405'},'cmi.student_data.mastery_score':{'defaultvalue':def[scoid]['cmi.student_data.mastery_score'], 'mod':'r', 'writeerror':'403'},'cmi.student_data.max_time_allowed':{'defaultvalue':def[scoid]['cmi.student_data.max_time_allowed'], 'mod':'r', 'writeerror':'403'},'cmi.student_data.time_limit_action':{'defaultvalue':def[scoid]['cmi.student_data.time_limit_action'], 'mod':'r', 'writeerror':'403'},'cmi.student_data.tries_during_lesson':{'defaultvalue':def[scoid]['cmi.student_data.tries_during_lesson'], 'mod':'r', 'writeerror':'402'},'cmi.student_preference._children':{'defaultvalue':student_preference_children, 'mod':'r', 'writeerror':'402'},'cmi.student_preference.audio':{'defaultvalue':'0', 'format':CMISInteger, 'range':audio_range, 'mod':'rw', 'writeerror':'405'},'cmi.student_preference.language':{'defaultvalue':'', 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},'cmi.student_preference.speed':{'defaultvalue':'0', 'format':CMISInteger, 'range':speed_range, 'mod':'rw', 'writeerror':'405'},'cmi.student_preference.text':{'defaultvalue':'0', 'format':CMISInteger, 'range':text_range, 'mod':'rw', 'writeerror':'405'},'cmi.interactions._children':{'defaultvalue':interactions_children, 'mod':'r', 'writeerror':'402'},'cmi.interactions._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},'cmi.interactions.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.objectives._count':{'pattern':CMIIndex, 'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},'cmi.interactions.n.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.time':{'pattern':CMIIndex, 'format':CMITime, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.type':{'pattern':CMIIndex, 'format':CMIType, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.correct_responses._count':{'pattern':CMIIndex, 'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},'cmi.interactions.n.correct_responses.n.pattern':{'pattern':CMIIndex, 'format':CMIFeedback, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.weighting':{'pattern':CMIIndex, 'format':CMIDecimal, 'range':weighting_range, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.student_response':{'pattern':CMIIndex, 'format':CMIFeedback, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.result':{'pattern':CMIIndex, 'format':CMIResult, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'cmi.interactions.n.latency':{'pattern':CMIIndex, 'format':CMITimespan, 'mod':'w', 'readerror':'404', 'writeerror':'405'},'nav.event':{'defaultvalue':'', 'format':NAVEvent, 'mod':'w', 'readerror':'404', 'writeerror':'405'}};}var cmi, nav;function initdatamodel(scoid){prerequrl = cfgwwwroot + "/mod/scorm/prereqs.php?a=" + scormid + "&scoid=" + scoid + "&attempt=" + attempt + "&mode=" + viewmode + "¤torg=" + currentorg + "&sesskey=" + sesskey;datamodelurlparams = "id=" + cmid + "&a=" + scormid + "&sesskey=" + sesskey + "&attempt=" + attempt + "&scoid=" + scoid;//// Datamodel inizialization//cmi = new Object();cmi.core = new Object();cmi.core.score = new Object();cmi.objectives = new Object();cmi.student_data = new Object();cmi.student_preference = new Object();cmi.interactions = new Object();// deprecated evaluation attributescmi.evaluation = new Object();cmi.evaluation.comments = new Object();// Navigation Objectnav = new Object();for (element in datamodel[scoid]) {if (element.match(/\.n\./) == null) {if (typeof datamodel[scoid][element].defaultvalue != 'undefined') {eval(element + ' = datamodel["' + scoid + '"]["' + element + '"].defaultvalue;');} else {eval(element + ' = "";');}}}eval(cmiobj[scoid]);if (cmi.core.lesson_status == '') {cmi.core.lesson_status = 'not attempted';}}//// API Methods definition//var Initialized = false;function LMSInitialize (param) {scoid = scorm_current_node ? scorm_current_node.scoid : scoid;initdatamodel(scoid);errorCode = "0";if (param == "") {if (!Initialized) {Initialized = true;errorCode = "0";return "true";} else {errorCode = "101";}} else {errorCode = "201";}return "false";}function LMSFinish (param) {errorCode = "0";if (param == "") {if (Initialized) {Initialized = false;result = StoreData(cmi,true);if (nav.event != '') {if (nav.event == 'continue') {setTimeout('mod_scorm_launch_next_sco();',500);} else {setTimeout('mod_scorm_launch_prev_sco();',500);}} else {if (scormauto == 1) {setTimeout('mod_scorm_launch_next_sco();',500);}}// trigger TOC updatevar callback = M.mod_scorm.connectPrereqCallback;YUI().use('io-base', function(Y) {Y.on('io:complete', callback.success, Y);Y.io(prerequrl);});return "true";} else {errorCode = "301";}} else {errorCode = "201";}return "false";}function LMSGetValue (element) {errorCode = "0";if (Initialized) {if (element != "") {expression = new RegExp(CMIIndex,'g');elementmodel = String(element).replace(expression,'.n.');if (typeof datamodel[scoid][elementmodel] != "undefined") {if (datamodel[scoid][elementmodel].mod != 'w') {element = String(element).replace(expression, "_$1.");elementIndexes = element.split('.');subelement = 'cmi';i = 1;while ((i < elementIndexes.length) && (typeof eval(subelement) != "undefined")) {subelement += '.' + elementIndexes[i++];}if (subelement == element) {errorCode = "0";return eval(element);} else {errorCode = "0"; // Need to check if it is the right errorCode}} else {errorCode = datamodel[scoid][elementmodel].readerror;}} else {childrenstr = '._children';countstr = '._count';if (elementmodel.substr(elementmodel.length - childrenstr.length,elementmodel.length) == childrenstr) {parentmodel = elementmodel.substr(0,elementmodel.length - childrenstr.length);if (typeof datamodel[scoid][parentmodel] != "undefined") {errorCode = "202";} else {errorCode = "201";}} else if (elementmodel.substr(elementmodel.length - countstr.length,elementmodel.length) == countstr) {parentmodel = elementmodel.substr(0,elementmodel.length - countstr.length);if (typeof datamodel[scoid][parentmodel] != "undefined") {errorCode = "203";} else {errorCode = "201";}} else {errorCode = "201";}}} else {errorCode = "201";}} else {errorCode = "301";}return "";}function LMSSetValue (element,value) {errorCode = "0";if (Initialized) {if (element != "") {expression = new RegExp(CMIIndex,'g');elementmodel = String(element).replace(expression,'.n.');if (typeof datamodel[scoid][elementmodel] != "undefined") {if (datamodel[scoid][elementmodel].mod != 'r') {expression = new RegExp(datamodel[scoid][elementmodel].format);value = value + '';matches = value.match(expression);if (matches != null) {//Create dynamic data model elementif (element != elementmodel) {elementIndexes = element.split('.');subelement = 'cmi';for (i = 1; i < elementIndexes.length - 1; i++) {elementIndex = elementIndexes[i];if (elementIndexes[i + 1].match(/^\d+$/)) {if ((typeof eval(subelement + '.' + elementIndex)) == "undefined") {eval(subelement + '.' + elementIndex + ' = new Object();');eval(subelement + '.' + elementIndex + '._count = 0;');}if (elementIndexes[i + 1] == eval(subelement + '.' + elementIndex + '._count')) {eval(subelement + '.' + elementIndex + '._count++;');}if (elementIndexes[i + 1] > eval(subelement + '.' + elementIndex + '._count')) {errorCode = "201";}subelement = subelement.concat('.' + elementIndex + '_' + elementIndexes[i + 1]);i++;} else {subelement = subelement.concat('.' + elementIndex);}if ((typeof eval(subelement)) == "undefined") {eval(subelement + ' = new Object();');if (subelement.substr(0,14) == 'cmi.objectives') {eval(subelement + '.score = new Object();');eval(subelement + '.score._children = score_children;');eval(subelement + '.score.raw = "";');eval(subelement + '.score.min = "";');eval(subelement + '.score.max = "";');}if (subelement.substr(0,16) == 'cmi.interactions') {eval(subelement + '.objectives = new Object();');eval(subelement + '.objectives._count = 0;');eval(subelement + '.correct_responses = new Object();');eval(subelement + '.correct_responses._count = 0;');}}}element = subelement.concat('.' + elementIndexes[elementIndexes.length - 1]);}// Store data.if (errorCode == "0") {if (autocommit && !(AICCapi.timeout)) {AICCapi.timeout = Y.later(60000, API, 'LMSCommit', [""], false);}if (typeof datamodel[scoid][elementmodel].range != "undefined") {range = datamodel[scoid][elementmodel].range;ranges = range.split('#');value = value * 1.0;if ((value >= ranges[0]) && (value <= ranges[1])) {eval(element + '="' + value + '";');errorCode = "0";return "true";} else {errorCode = datamodel[scoid][elementmodel].writeerror;}} else {if (element == 'cmi.comments') {eval(element + '+="' + value + '";');} else {eval(element + '="' + value + '";');}errorCode = "0";return "true";}}} else {errorCode = datamodel[scoid][elementmodel].writeerror;}} else {errorCode = datamodel[scoid][elementmodel].writeerror;}} else {errorCode = "201"}} else {errorCode = "201";}} else {errorCode = "301";}return "false";}function LMSCommit (param) {if (AICCapi.timeout) {AICCapi.timeout.cancel();AICCapi.timeout = null;}errorCode = "0";if (param == "") {if (Initialized) {result = StoreData(cmi,false);return "true";} else {errorCode = "301";}} else {errorCode = "201";}return "false";}function LMSGetLastError () {return errorCode;}function LMSGetErrorString (param) {if (param != "") {var errorString = new Array();errorString["0"] = "No error";errorString["101"] = "General exception";errorString["201"] = "Invalid argument error";errorString["202"] = "Element cannot have children";errorString["203"] = "Element not an array - cannot have count";errorString["301"] = "Not initialized";errorString["401"] = "Not implemented error";errorString["402"] = "Invalid set value, element is a keyword";errorString["403"] = "Element is read only";errorString["404"] = "Element is write only";errorString["405"] = "Incorrect data type";return errorString[param];} else {return "";}}function LMSGetDiagnostic (param) {if (param == "") {param = errorCode;}return param;}function AddTime (first, second) {var sFirst = first.split(":");var sSecond = second.split(":");var cFirst = sFirst[2].split(".");var cSecond = sSecond[2].split(".");var change = 0;FirstCents = 0; //Centsif (cFirst.length > 1) {FirstCents = parseInt(cFirst[1],10);}SecondCents = 0;if (cSecond.length > 1) {SecondCents = parseInt(cSecond[1],10);}var cents = FirstCents + SecondCents;change = Math.floor(cents / 100);cents = cents - (change * 100);if (Math.floor(cents) < 10) {cents = "0" + cents.toString();}var secs = parseInt(cFirst[0],10) + parseInt(cSecond[0],10) + change; //Secondschange = Math.floor(secs / 60);secs = secs - (change * 60);if (Math.floor(secs) < 10) {secs = "0" + secs.toString();}mins = parseInt(sFirst[1],10) + parseInt(sSecond[1],10) + change; //Minuteschange = Math.floor(mins / 60);mins = mins - (change * 60);if (mins < 10) {mins = "0" + mins.toString();}hours = parseInt(sFirst[0],10) + parseInt(sSecond[0],10) + change; //Hoursif (hours < 10) {hours = "0" + hours.toString();}if (cents != '0') {return hours + ":" + mins + ":" + secs + '.' + cents;} else {return hours + ":" + mins + ":" + secs;}}function TotalTime() {total_time = AddTime(cmi.core.total_time, cmi.core.session_time);return '&' + underscore('cmi.core.total_time') + '=' + escape(total_time);}function CollectData(data,parent) {var datastring = '';for (property in data) {if (typeof data[property] == 'object') {datastring += CollectData(data[property],parent + '.' + property);} else {element = parent + '.' + property;expression = new RegExp(CMIIndex,'g');elementmodel = String(element).replace(expression,'.n.');if (typeof datamodel[scoid][elementmodel] != "undefined") {if (datamodel[scoid][elementmodel].mod != 'r') {elementstring = '&' + underscore(element) + '=' + escape(data[property]);if (typeof datamodel[scoid][elementmodel].defaultvalue != "undefined") {if (datamodel[scoid][elementmodel].defaultvalue != data[property]) {datastring += elementstring;}} else {datastring += elementstring;}}}}}return datastring;}function StoreData(data,storetotaltime) {var datastring = '';if (storetotaltime) {if (cmi.core.lesson_mode == 'normal') {if (cmi.core.credit == 'credit') {if (cmi.student_data.mastery_score != '' && cmi.core.score.raw != '') {if (cmi.core.score.raw >= cmi.student_data.mastery_score) {cmi.core.lesson_status = 'passed';} else {cmi.core.lesson_status = 'failed';}}}}if (cmi.core.lesson_mode == 'browse') {if (datamodel[scoid]['cmi.core.lesson_status'].defaultvalue == '' && cmi.core.lesson_status == 'not attempted') {cmi.core.lesson_status = 'browsed';}}datastring = CollectData(data,'cmi');datastring += TotalTime();} else {datastring = CollectData(data,'cmi');}var myRequest = NewHttpReq();var result = DoRequest(myRequest, datamodelurl, datamodelurlparams + datastring);if (result === false) {return false;}results = String(result).split('\n');errorCode = results[1];return results[0];}this.LMSInitialize = LMSInitialize;this.LMSFinish = LMSFinish;this.LMSGetValue = LMSGetValue;this.LMSSetValue = LMSSetValue;this.LMSCommit = LMSCommit;this.LMSGetLastError = LMSGetLastError;this.LMSGetErrorString = LMSGetErrorString;this.LMSGetDiagnostic = LMSGetDiagnostic;}M.scorm_api = {};M.scorm_api.init = function(Y, def, cmiobj, scormauto, cfgwwwroot, scormid, scoid, attempt, viewmode, currentorg, sesskey, cmid, autocommit) {window.API = new AICCapi(def, cmiobj, scormauto, cfgwwwroot, scormid, scoid, attempt, viewmode, currentorg, sesskey, cmid, autocommit);}