-// TODO: if display == "all", les envois devraient être non définitifs (possibilité de corriger)
-// Et, blur sur une (sous-)question devrait envoyer la version courante de la sous-question
-
let socket = null; //monitor answers in real time
if (assessment.mode == "secure" && !checkWindowSize())
return window.innerWidth >= screen.width-3 && window.innerHeight >= screen.height-3;
};
-function libsRefresh()
-{
- // Run Prism + MathJax on questions text
- $("#statements").find("code[class^=language-]").each( (i,elem) => {
- Prism.highlightElement(elem);
- });
- MathJax.Hub.Queue(["Typeset",MathJax.Hub,"statements"]);
-}
-
-new Vue({
+let V = new Vue({
el: "#assessment",
data: {
assessment: assessment,
- inputs: [ ], //student's answers
- student: { }, //filled later
+ answers: { }, //filled later with answering parameters
+ student: { }, //filled later (name, password)
// Stage 0: unauthenticated (number),
// 1: authenticated (got a name, unvalidated)
// 2: locked: password set, exam started
remainingTime: 0, //global, in seconds
warnMsg: "",
},
- components: {
- "statements": {
- props: ['assessment','inputs','student','stage'],
- // TODO: general render function for nested exercises
- // There should be a questions navigator below, or next (visible if display=='all')
- // Full questions tree is rendered, but some parts hidden depending on display settings
- render(h) {
- let self = this;
- let questions = (assessment.questions || [ ]).map( (q,i) => {
- let questionContent = [ ];
- questionContent.push(
- h(
- "div",
- {
- "class": {
- wording: true,
- },
- domProps: {
- innerHTML: q.wording,
- },
- }
- )
- );
- let optionsOrder = _.range(q.options.length);
- if (!q.fixed)
- optionsOrder = _.shuffle(optionsOrder);
- let optionList = [ ];
- optionsOrder.forEach( idx => {
- let option = [ ];
- option.push(
- h(
- "input",
- {
- domProps: {
- checked: this.inputs.length > 0 && this.inputs[i][idx],
- },
- attrs: {
- id: this.inputId(i,idx),
- type: "checkbox",
- },
- on: {
- change: e => { this.inputs[i][idx] = e.target.checked; },
- },
- },
- )
- );
- option.push(
- h(
- "label",
- {
- domProps: {
- innerHTML: q.options[idx],
- },
- attrs: {
- "for": this.inputId(i,idx),
- },
- }
- )
- );
- optionList.push(
- h(
- "div",
- {
- "class": {
- option: true,
- choiceCorrect: this.stage == 4 && assessment.questions[i].answer.includes(idx),
- choiceWrong: this.stage == 4 && this.inputs[i][idx] && !assessment.questions[i].answer.includes(idx),
- },
- },
- option
- )
- );
- });
- questionContent.push(
- h(
- "div",
- {
- "class": {
- optionList: true,
- },
- },
- optionList
- )
- );
- return h(
- "div",
- {
- "class": {
- "question": true,
- "hide": this.stage == 2 && assessment.display == 'one' && assessment.indices[assessment.index] != i,
- },
- },
- questionContent
- );
- });
- if (this.stage == 2)
- {
- questions.unshift(
- h(
- "button",
- {
- "class": {
- "waves-effect": true,
- "waves-light": true,
- "btn": true,
- },
- style: {
- "display": "block",
- "margin-left": "auto",
- "margin-right": "auto",
- },
- on: {
- click: () => this.sendAnswer(assessment.indices[assessment.index]),
- },
- },
- "Send"
- )
- );
- }
- return h(
- "div",
- {
- attrs: {
- id: "statements",
- },
- },
- questions
- );
- },
- mounted: function() {
- if (assessment.mode != "secure")
- return;
- window.addEventListener("keydown", e => {
- // Ignore F12 (avoid accidental window resize due to devtools)
- // NOTE: in Chromium at least, fullscreen mode exit with F11 cannot be prevented.
- // Workaround: disable key at higher level. Possible xbindkey config:
- // "false"
- // m:0x10 + c:95
- // Mod2 + F11
- if (e.keyCode == 123)
- e.preventDefault();
- }, false);
- window.addEventListener("blur", () => {
- this.trySendCurrentAnswer();
- document.location.href= "/noblur";
- }, false);
- window.addEventListener("resize", e => {
- this.trySendCurrentAnswer();
- document.location.href= "/fullscreen";
- }, false);
- },
- updated: function() {
- libsRefresh(); //TODO: shouldn't be required: "MathJax" strings on start and assign them to assessment.questions. ...
- },
- methods: {
- inputId: function(i,j) {
- return "q" + i + "_" + "input" + j;
- },
- trySendCurrentAnswer: function() {
- if (this.stage == 2)
- this.sendAnswer(assessment.indices[assessment.index]);
- },
- // stage 2
- sendAnswer: function(realIndex) {
- let gotoNext = () => {
- if (assessment.index == assessment.questions.length - 1)
- this.$emit("gameover");
- else
- assessment.index++;
- this.$forceUpdate(); //TODO: shouldn't be required
- };
- if (assessment.mode == "open")
- return gotoNext(); //only local
- let answerData = {
- aid: assessment._id,
- answer: JSON.stringify({
- index:realIndex.toString(),
- input:this.inputs[realIndex]
- .map( (tf,i) => { return {val:tf,idx:i}; } )
- .filter( item => { return item.val; })
- .map( item => { return item.idx; })
- }),
- number: this.student.number,
- password: this.student.password,
- };
- $.ajax("/send/answer", {
- method: "GET",
- data: answerData,
- dataType: "json",
- success: ret => {
- if (!!ret.errmsg)
- return this.$emit("warning", ret.errmsg);
- else
- gotoNext();
- socket.emit(message.newAnswer, answerData);
- },
- });
- },
- },
- },
- },
computed: {
countdown: function() {
let seconds = this.remainingTime % 60;
let minutes = Math.floor(this.remainingTime / 60);
return this.padWithZero(minutes) + ":" + this.padWithZero(seconds);
},
+ showAnswers: function() {
+ return this.stage == 4;
+ },
},
mounted: function() {
$(".modal").modal();
+ if (assessment.mode != "secure")
+ return;
+ window.addEventListener("keydown", e => {
+ // Ignore F12 (avoid accidental window resize due to devtools)
+ // NOTE: in Chromium at least, fullscreen mode exit with F11 cannot be prevented.
+ // Workaround: disable key at higher level. Possible xbindkey config:
+ // "false"
+ // m:0x10 + c:95
+ // Mod2 + F11
+ if (e.keyCode == 123)
+ e.preventDefault();
+ }, false);
+ window.addEventListener("blur", () => {
+ this.trySendCurrentAnswer();
+ document.location.href= "/noblur";
+ }, false);
+ window.addEventListener("resize", e => {
+ this.trySendCurrentAnswer();
+ document.location.href= "/fullscreen";
+ }, false);
},
methods: {
// In case of AJAX errors
- warning: function(message) {
+ showWarning: function(message) {
this.warnMsg = message;
$("#warning").modal("open");
},
return "0" + x;
return x;
},
+ trySendCurrentAnswer: function() {
+ if (this.stage == 2)
+ this.sendAnswer();
+ },
// stage 0 --> 1
getStudent: function(cb) {
$.ajax("/get/student", {
dataType: "json",
success: s => {
if (!!s.errmsg)
- return this.warning(s.errmsg);
+ return this.showWarning(s.errmsg);
this.stage = 1;
this.student = s.student;
Vue.nextTick( () => { Materialize.updateTextFields(); });
// Initialize structured answer(s) based on questions type and nesting (TODO: more general)
if (!!questions)
assessment.questions = questions;
+ this.answers.inputs = [ ];
for (let q of assessment.questions)
- this.inputs.push( _(q.options.length).times( _.constant(false) ) );
+ this.answers.inputs.push( _(q.options.length).times( _.constant(false) ) );
if (!paper)
{
- assessment.indices = assessment.fixed
+ this.answers.indices = assessment.fixed
? _.range(assessment.questions.length)
: _.shuffle( _.range(assessment.questions.length) );
}
// Resuming
let indices = paper.inputs.map( input => { return input.index; });
let remainingIndices = _.difference( _.range(assessment.questions.length).map(String), indices );
- assessment.indices = indices.concat( _.shuffle(remainingIndices) );
+ this.answers.indices = indices.concat( _.shuffle(remainingIndices) );
}
- assessment.index = !!paper ? paper.inputs.length : 0;
- Vue.nextTick(libsRefresh);
+ this.answers.index = !!paper ? paper.inputs.length : 0;
+ this.answers.displayAll = assessment.display == "all";
+ this.answers.showSolution = false;
this.stage = 2;
};
if (assessment.mode == "open")
dataType: "json",
success: s => {
if (!!s.errmsg)
- return this.warning(s.errmsg);
+ return this.showWarning(s.errmsg);
if (!!s.paper)
{
// Resuming: receive stored answers + startTime
this.student.password = s.paper.password;
- this.inputs = s.paper.inputs.map( inp => { return inp.input; });
+ this.answers.inputs = s.paper.inputs.map( inp => { return inp.input; });
}
else
{
// action (power failure, computer down, ...)
}
socket = io.connect("/" + assessment.name, {
- query: "number=" + this.student.number + "&password=" + this.password
+ query: "aid=" + assessment._id + "&number=" + this.student.number + "&password=" + this.student.password
});
socket.on(message.allAnswers, this.setAnswers);
initializeStage2(s.questions, s.paper);
let self = this;
setInterval( function() {
self.remainingTime--;
- if (self.remainingTime <= 0 || self.stage >= 4)
- self.endAssessment();
+ if (self.remainingTime <= 0)
+ {
+ if (self.stage == 2)
+ self.endAssessment();
clearInterval(this);
+ }
}, 1000);
},
+ // stage 2
+ sendAnswer: function() {
+ const realIndex = this.answers.indices[this.answers.index];
+ let gotoNext = () => {
+ if (this.answers.index == assessment.questions.length - 1)
+ this.endAssessment();
+ else
+ this.answers.index++;
+ this.$children[0].$forceUpdate(); //TODO: bad HACK, and shouldn't be required...
+ };
+ if (assessment.mode == "open")
+ return gotoNext(); //only local
+ let answerData = {
+ aid: assessment._id,
+ answer: JSON.stringify({
+ index: realIndex.toString(),
+ input: this.answers.inputs[realIndex]
+ .map( (tf,i) => { return {val:tf,idx:i}; } )
+ .filter( item => { return item.val; })
+ .map( item => { return item.idx; })
+ }),
+ number: this.student.number,
+ password: this.student.password,
+ };
+ $.ajax("/send/answer", {
+ method: "GET",
+ data: answerData,
+ dataType: "json",
+ success: ret => {
+ if (!!ret.errmsg)
+ return this.showWarning(ret.errmsg);
+ gotoNext();
+ socket.emit(message.newAnswer, answerData);
+ },
+ });
+ },
// stage 2 --> 3 (or 4)
// from a message by statements component, or time over
endAssessment: function() {
if (assessment.mode == "open")
{
this.stage = 4;
+ this.answers.showSolution = true;
return;
}
$.ajax("/end/assessment", {
dataType: "json",
success: ret => {
if (!!ret.errmsg)
- return this.warning(ret.errmsg);
+ return this.showWarning(ret.errmsg);
assessment.conclusion = ret.conclusion;
this.stage = 3;
delete this.student["password"]; //unable to send new answers now
});
},
// stage 3 --> 4 (on socket message "feedback")
- setAnswers: function(answers) {
- for (let i=0; i<answers.length; i++)
- assessment.questions[i].answer = answers[i];
+ setAnswers: function(m) {
+ for (let i=0; i<m.answers.length; i++)
+ assessment.questions[i].answer = m.answers[i];
+ this.answers.showSolution = true;
this.stage = 4;
},
},