scorm_13.js.php

很棒的在线教学系统

                                                    diagnostic = "Data Model Element ID Already Exists";
                                                }
                                            break;
                                            case 'cmi.interactions.n.type':
                                                var subobject = eval(subelement);
                                                subobject.correct_responses = new Object();
                                                subobject.correct_responses._count = 0;
                                            break;
                                            case 'cmi.interactions.n.learner_response':
                                                if (typeof eval(subelement+'.type') == "undefined") {
                                                    errorCode="408";
                                                } else {
                                                    // Use cmi.interactions.n.type value to check the right dataelement format
                                                    interactiontype = eval(subelement+'.type');
                                                    var nodes = new Array();
                                                    if (learner_response[interactiontype].delimiter != '') {
                                                        nodes = value.split(learner_response[interactiontype].delimiter);
                                                    } else {
                                                        nodes[0] = value;
                                                    }
                                                    if ((nodes.length > 0) && (nodes.length <= learner_response[interactiontype].max)) {
                                                        expression = new RegExp(learner_response[interactiontype].format);
                                                        for (var i=0; (i < nodes.length) && (errorCode=="0"); i++) {
                                                            if (typeof learner_response[interactiontype].delimiter2 != 'undefined') {
                                                                values = nodes[i].split(learner_response[interactiontype].delimiter2);
                                                                if (values.length == 2) {
                                                                    matches = values[0].match(expression);
                                                                    if (matches == null) {
                                                                        errorCode = "406";
                                                                    } else {
                                                                        var expression2 = new RegExp(learner_response[interactiontype].format2);
                                                                        matches = values[1].match(expression2);
                                                                        if (matches == null) {
                                                                            errorCode = "406";
                                                                        }
                                                                    }
                                                                } else {
                                                                    errorCode = "406";
                                                                }
                                                            } else {
                                                                matches = nodes[i].match(expression);
                                                                if (matches == null) {
                                                                    errorCode = "406";
                                                                } else {
                                                                    if ((nodes[i] != '') && (learner_response[interactiontype].unique)) {
                                                                        for (var j=0; (j<i) && (errorCode=="0"); j++) {
                                                                            if (nodes[i] == nodes[j]) {
                                                                                errorCode = "406";
                                                                            }
                                                                        }
                                                                    }
                                                                }
                                                            }
                                                        }
                                                    } else if (nodes.length > learner_response[interactiontype].max) {
                                                        errorCode = "351";
                                                        diagnostic = "Data Model Element Pattern Too Long";
                                                    }
                                                }
                                             break;
                                         case 'cmi.interactions.n.correct_responses.n.pattern':
											 subel= subelement.split('.');
											 subel1= 'cmi.interactions.'+subel[2];

                                                if (typeof eval(subel1+'.type') == "undefined") {
                                                    errorCode="408";
                                                } else {
                                                    // Use cmi.interactions.n.type value to check the right //dataelement format
                                                    var interactiontype = eval(subel1+'.type');
                                                    var interactioncount = eval(parentelement+'._count');
                                                    // trap duplicate values, which is not allowed for type choice
                                                    if (interactiontype == 'choice') {
                                                        for (var i=0; (i < interactioncount) && (errorCode=="0"); i++) {
                                                           if (eval(parentelement+'.N'+i+'.pattern') == value) {
                                                               errorCode = "351";
                                                           }
                                                        }
                                                    }
                                                    var nodes = new Array();
                                                    if (correct_responses[interactiontype].delimiter != '') {
                                                        nodes = value.split(correct_responses[interactiontype].delimiter);
                                                    } else {
                                                        nodes[0] = value;
                                                    }

                                                    if ((nodes.length > 0) && (nodes.length <= correct_responses[interactiontype].max)) {
                                                        errorCode = CRcheckValueNodes (element, interactiontype, nodes, value, errorCode);
                                                    } else if (nodes.length > correct_responses[interactiontype].max) {
                                                        errorCode = "351";
                                                        diagnostic = "Data Model Element Pattern Too Long";
                                                    }
                                                }
                                             break;
                                        }
                                    }
                                }
                            }
                            //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]) {
                                        if ((ranges[1] == '*') || (value <= ranges[1])) {
                                            eval(element+'=value;');
                                            errorCode = "0";
                                            <?php
                                                if (debugging('',DEBUG_DEVELOPER)) {
//                                                    echo 'alert("SetValue("+element+","+value+") -> OK");';
                                                    echo 'LogAPICall("SetValue", element, value, errorCode);';
                                                }
                                            ?>
                                            return "true";
                                        } else {
                                            errorCode = '407';
                                        }
                                    } else {
                                        errorCode = '407';
                                    }
                                } else {
                                    eval(element+'=value;');
                                    errorCode = "0";
                                    <?php
                                        if (debugging('',DEBUG_DEVELOPER)) {
//                                           echo 'alert("SetValue("+element+","+value+") -> OK");';
                                            echo 'LogAPICall("SetValue", element, value, errorCode);';
                                        }
                                    ?>
                                    return "true";
                                }
                            }
                        } else {
                            errorCode = "406";
                        }
                    } else {
                        errorCode = "404";
                    }
                } else {
                    errorCode = "401"
                }
            } else {
                errorCode = "351";
            }
        } else {
            if (Terminated) {
                errorCode = "133";
            } else {
                errorCode = "132";
            }
        }
        <?php
            if (debugging('',DEBUG_DEVELOPER)) {
                echo 'LogAPICall("SetValue", element, value, errorCode);';
            }
        ?>
        return "false";
    }


    function CRremovePrefixes (node) {
        // check for prefixes lang, case, order
        // case and then order
        var seenOrder = false;
        var seenCase = false;
        var seenLang = false;
        var errorCode = "0";
        while (matches = node.match('^(\{(lang|case_matters|order_matters)=([^\}]+)\})')) {
            switch (matches[2]) {
                case 'lang':
                    // check for language prefix on each node
                    langmatches = node.match(CMILangcr);
                    if (langmatches != null) {
                        lang = langmatches[3];
                        // check that language string definition is valid
                        if (lang.length > 0 && lang != undefined) {
                            if (validLanguages[lang.toLowerCase()] == undefined) {
                                errorCode = "406";
                            }
                        }
                    }
                    seenLang = true;
                break;

                case 'case_matters':
                    // check for correct case answer
                    if (! seenLang && ! seenOrder && ! seenCase) {
                        if (matches[3] != 'true' && matches[3] != 'false') {
                            errorCode = "406";
                        }
                    }
                    seenCase = true;
                break;

                case 'order_matters':
                    // check for correct case answer
                    if (! seenCase && ! seenLang && ! seenOrder) {
                        if (matches[3] != 'true' && matches[3] != 'false') {
                            errorCode = "406";
                        }
                    }
                    seenOrder = true;
                break;

                default:
                break;
            }
            node = node.substr(matches[1].length);
        }
        return {'errorCode': errorCode, 'node': node};
    }