aicc.js.php

很棒的在线教学系统

<?php
    if (isset($userdata->status)) {
        if ($userdata->status == '') {
            $userdata->entry = 'ab-initio';
        } else {
            if (isset($userdata->{'cmi.core.exit'}) && ($userdata->{'cmi.core.exit'} == 'suspend')) {
                $userdata->entry = 'resume';
            } else {
                $userdata->entry = '';
            }
        }
    }
?>
//
// SCORM 1.2 API Implementation
//
function AICCapi() {
    // Standard Data Type Definition
    CMIString256 = '^[\\u0000-\\uffff]{0,255}$';
    CMIString4096 = '^[\\u0000-\\uffff]{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}$';
    CMIFeedback = CMIString256; // This must be redefined
    CMIIndex = '[._](\\d+).';
    // Vocabulary Data Type Definition
    CMIStatus = '^passed$|^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 lists
    cmi_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 ranges
    score_range = '0#100';
    audio_range = '-1#100';
    speed_range = '-100#100';
    weighting_range = '-100#100';
    text_range = '-1#1';
    // The AICC data model
    var datamodel =  {
        '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':'<?php echo $userdata->student_id ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.core.student_name':{'defaultvalue':'<?php echo $userdata->student_name ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.core.lesson_location':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.lesson_location'})?$userdata->{'cmi.core.lesson_location'}:'' ?>', 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.credit':{'defaultvalue':'<?php echo $userdata->credit ?>', 'mod':'r', 'writeerror':'403'},  
        'cmi.core.lesson_status':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.lesson_status'})?$userdata->{'cmi.core.lesson_status'}:'' ?>', 'format':CMIStatus, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.exit':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.exit'})?$userdata->{'cmi.core.exit'}:'' ?>', 'format':CMIExit, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.core.entry':{'defaultvalue':'<?php echo $userdata->entry ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.core.score._children':{'defaultvalue':score_children, 'mod':'r', 'writeerror':'402'},
        'cmi.core.score.raw':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.score.raw'})?$userdata->{'cmi.core.score.raw'}:'' ?>', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.score.max':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.score.max'})?$userdata->{'cmi.core.score.max'}:'' ?>', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.score.min':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.score.min'})?$userdata->{'cmi.core.score.min'}:'' ?>', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.session_time':{'format':CMITimespan, 'mod':'w', 'defaultvalue':'00:00:00', 'readerror':'404', 'writeerror':'405'},
        'cmi.core.total_time':{'defaultvalue':'<?php echo isset($userdata->{'cmi.core.total_time'})?$userdata->{'cmi.core.total_time'}:'00:00:00' ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.core.lesson_mode':{'defaultvalue':'<?php echo $userdata->mode ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.suspend_data':{'defaultvalue':'<?php echo isset($userdata->{'cmi.suspend_data'})?$userdata->{'cmi.suspend_data'}:'' ?>', 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},
        'cmi.launch_data':{'defaultvalue':'<?php echo isset($userdata->datafromlms)?$userdata->datafromlms:'' ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.comments':{'defaultvalue':'<?php echo isset($userdata->{'cmi.comments'})?$userdata->{'cmi.comments'}:'' ?>', 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},
        'cmi.evaluation.comments._count':{'defaultvalue':'0', 'mod':'r', 'writeerror':'402'},
        'cmi.evaluation.comments._children':{'defaultvalue':comments_children, 'mod':'r', 'writeerror':'402'},
        'cmi.evaluation.comments.n.content':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.evaluation.comments.n.location':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.evaluation.comments.n.time':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMITime, 'mod':'rw', 'writeerror':'405'},
        'cmi.comments_from_lms':{'mod':'r', 'writeerror':'403'},
        'cmi.objectives._children':{'defaultvalue':objectives_children, 'mod':'r', 'writeerror':'402'},
        'cmi.objectives._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
        'cmi.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.score._children':{'pattern':CMIIndex, 'mod':'r', 'writeerror':'402'},
        'cmi.objectives.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data._children':{'defaultvalue':student_data_children, 'mod':'r', 'writeerror':'402'},
        'cmi.student_data.attempt_number':{'defaultvalue':'<?php echo isset($userdata->{'cmi.student_data.attempt_number'})?$userdata->{'cmi.student_data.attempt_number'}:'' ?>', 'mod':'r', 'writeerror':'402'},
        'cmi.student_data.tries.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.time':{'pattern':CMIIndex, 'format':CMITime, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.mastery_score':{'defaultvalue':'<?php echo isset($userdata->mastery_score)?$userdata->mastery_score:'' ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.student_data.max_time_allowed':{'defaultvalue':'<?php echo isset($userdata->max_time_allowed)?$userdata->max_time_allowed:'' ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.student_data.time_limit_action':{'defaultvalue':'<?php echo isset($userdata->time_limit_action)?$userdata->time_limit_action:'' ?>', 'mod':'r', 'writeerror':'403'},
        'cmi.student_data.tries_during_lesson':{'defaultvalue':'<?php echo isset($userdata->{'cmi.student_data.tries_during_lesson'})?$userdata->{'cmi.student_data.tries_during_lesson'}:'' ?>', 'mod':'r', 'writeerror':'402'},
        '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'}
    };
    //
    // Datamodel inizialization
    //
    var 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();
        cmi.evaluation = new Object();
        cmi.evaluation.comments = new Object();

    // Navigation Object
    var nav = new Object();

    for (element in datamodel) {
        if (element.match(/\.n\./) == null) {
            if ((typeof eval('datamodel["'+element+'"].defaultvalue')) != 'undefined') {
                eval(element+' = datamodel["'+element+'"].defaultvalue;');
            } else {
                eval(element+' = "";');
            }
        }
    }

<?php
    $current_objective = '';
    $count = 0;
    $objectives = '';
    foreach($userdata as $element => $value){
        if (substr($element,0,14) == 'cmi.objectives') {
            $element = preg_replace('/\.(\d+)\./', "_\$1.", $element);
            preg_match('/\_(\d+)\./', $element, $matches);
            if (count($matches) > 0 && $current_objective != $matches[1]) {
                $current_objective = $matches[1];
                $end = strpos($element,$matches[1])+strlen($matches[1]);
                $subelement = substr($element,0,$end);
                echo '    '.$subelement." = new Object();\n";
                echo '    '.$subelement.".score = new Object();\n";
                echo '    '.$subelement.".score._children = score_children;\n";
                echo '    '.$subelement.".score.raw = '';\n";
                echo '    '.$subelement.".score.min = '';\n";
                echo '    '.$subelement.".score.max = '';\n";
            }
            echo '    '.$element.' = \''.$value."';\n";
        }
    }
    if ($count > 0) {
        echo '    cmi.objectives._count = '.$count.";\n";
    }
?>

    if (cmi.core.lesson_status == '') {
        cmi.core.lesson_status = 'not attempted';
    } 
    
    //
    // API Methods definition
    //
    var Initialized = false;

    function LMSInitialize (param) {
        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('top.nextSCO();',500);
                    } else {
                        setTimeout('top.prevSCO();',500);
                    }
                } else {
                    if (<?php echo $scorm->auto ?> == 1) {
                        setTimeout('top.nextSCO();',500);
                    }
                }    
                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 eval('datamodel["'+elementmodel+'"]')) != "undefined") {
                    if (eval('datamodel["'+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 = eval('datamodel["'+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 eval('datamodel["'+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 eval('datamodel["'+parentmodel+'"]')) != "undefined") {
                            errorCode = "203";
                        } else {
                            errorCode = "201";
                        }
                    } else {
                        errorCode = "201";
                    }
                }
            } else {
                errorCode = "201";
            }