aicc.js.php

很棒的在线教学系统

        } 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 eval('datamodel["'+elementmodel+'"]')) != "undefined") {
                    if (eval('datamodel["'+elementmodel+'"].mod') != 'r') {
                        expression = new RegExp(eval('datamodel["'+elementmodel+'"].format'));
                        value = value+'';
                        matches = value.match(expression);
                        if (matches != null) {
                            //Create dynamic data model element
                            if (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 ((typeof eval('datamodel["'+elementmodel+'"].range')) != "undefined") {
                                    range = eval('datamodel["'+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 = eval('datamodel["'+elementmodel+'"].writeerror');
                                    }
                                } else {
                                    if (element == 'cmi.comments') {
                                        eval(element+'+="'+value+'";');
                                    } else {
                                        eval(element+'="'+value+'";');
                                    }
                                    errorCode = "0";
                                    return "true";
                                }
                            }
                        } else {
                            errorCode = eval('datamodel["'+elementmodel+'"].writeerror');
                        }
                    } else {
                        errorCode = eval('datamodel["'+elementmodel+'"].writeerror');
                    }
                } else {
                    errorCode = "201"
                }
            } else {
                errorCode = "201";
            }
        } else {
            errorCode = "301";
        }
        return "false";
    }
    
    function LMSCommit (param) {
        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;  //Cents
        if (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;  //Seconds
        change = 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;   //Minutes
        change = 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;  //Hours
        if (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 eval('datamodel["'+elementmodel+'"]')) != "undefined") {
                    if (eval('datamodel["'+elementmodel+'"].mod') != 'r') {
                        elementstring = '&'+underscore(element)+'='+escape(data[property]);
                        if ((typeof eval('datamodel["'+elementmodel+'"].defaultvalue')) != "undefined") {
                            if (eval('datamodel["'+elementmodel+'"].defaultvalue') != data[property]) {
                                datastring += elementstring;
                            }
                        } else {
                            datastring += elementstring;
                        }
                    }
                }
            }
        }
        return datastring;
    }

    function StoreData(data,storetotaltime) {
        if (storetotaltime) {
            if (cmi.core.lesson_mode == 'normal') {
                if (cmi.core.credit == 'credit') {
                    cmi.core.lesson_status = 'completed';
                    if (cmi.student_data.mastery_score != '') {
                        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['cmi.core.lesson_status'].defaultvalue == '') {
                    cmi.core.lesson_status = 'browsed';
                }
            }
            datastring = CollectData(data,'cmi');
            datastring += TotalTime();
        } else {
            datastring = CollectData(data,'cmi');
        }
        //popupwin(datastring);
        var myRequest = NewHttpReq();
        result = DoRequest(myRequest,"<?php p($CFG->wwwroot) ?>/mod/scorm/datamodel.php","id=<?php p($id) ?>&sesskey=<?php p($USER->sesskey) ?>"+datastring);
        results = 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;
}

var API = new AICCapi();