// NOTE: temporarily accept smartphone (security hole: pretend being a smartphone on desktop browser...)
if (navigator.userAgent.match(/(iPhone|iPod|iPad|Android|BlackBerry)/))
return true;
- return window.innerWidth == screen.width && window.innerHeight == screen.height;
+ // 3 is arbitrary, but a small tolerance is required (e.g. in Firefox)
+ 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({
el: "#assessment",
data: {
// 4: show answers
stage: assessment.mode != "open" ? 0 : 1,
remainingTime: 0, //global, in seconds
+ warnMsg: "",
},
components: {
"statements": {
props: ['assessment','inputs','student','stage'],
- data: function() {
- return {
- index: 0, //current question index in assessment.indices
- };
- },
// TODO: general render function for nested exercises
- // TODO: with answer if stage==4 : class "wrong" if ticked AND stage==4 AND received answers
- // class "right" if stage == 4 AND received answers (background-color: red / green)
// 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 questions = (assessment.questions || [ ]).map( (q,i) => {
let questionContent = [ ];
questionContent.push(
h(
"input",
{
domProps: {
- checked: this.inputs[i][idx],
+ checked: this.inputs.length > 0 && this.inputs[i][idx],
},
attrs: {
id: this.inputId(i,idx),
{
"class": {
"question": true,
- "hide": this.stage == 2 && assessment.display == 'one' && assessment.indices[this.index] != i,
+ "hide": this.stage == 2 && assessment.display == 'one' && assessment.indices[assessment.index] != i,
},
},
questionContent
});
if (this.stage == 2)
{
- // TODO: one button per question
questions.unshift(
h(
"button",
"margin-right": "auto",
},
on: {
- click: () => this.sendAnswer(assessment.indices[this.index]),
+ click: () => this.sendAnswer(assessment.indices[assessment.index]),
},
},
"Send"
if (assessment.mode != "secure")
return;
window.addEventListener("keydown", e => {
- // (Try to) Ignore F11 + F12 (avoid accidental window resize)
- // NOTE: in Chromium at least, exiting fullscreen mode with F11 cannot be prevented.
+ // 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 ([122,123].includes(e.keyCode))
+ if (e.keyCode == 123)
e.preventDefault();
}, false);
window.addEventListener("blur", () => {
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[this.index]);
+ this.sendAnswer(assessment.indices[assessment.index]);
},
// stage 2
sendAnswer: function(realIndex) {
- if (this.index == assessment.questions.length - 1)
- this.$emit("gameover");
- else
- this.index++;
+ 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; //only local
+ return gotoNext(); //only local
let answerData = {
aid: assessment._id,
answer: JSON.stringify({
dataType: "json",
success: ret => {
if (!!ret.errmsg)
- return alert(ret.errmsg);
- //socket.emit(message.newAnswer, answer);
+ return this.$emit("warning", ret.errmsg);
+ else
+ gotoNext();
+ socket.emit(message.newAnswer, answerData);
},
});
},
return this.padWithZero(minutes) + ":" + this.padWithZero(seconds);
},
},
+ mounted: function() {
+ $(".modal").modal();
+ },
methods: {
+ // In case of AJAX errors
+ warning: function(message) {
+ this.warnMsg = message;
+ $("#warning").modal("open");
+ },
padWithZero: function(x) {
if (x < 10)
return "0" + x;
dataType: "json",
success: s => {
if (!!s.errmsg)
- return alert(s.errmsg);
+ return this.warning(s.errmsg);
this.stage = 1;
this.student = s.student;
Vue.nextTick( () => { Materialize.updateTextFields(); });
},
// stage 1 --> 2 (get all questions, set password)
startAssessment: function() {
- let initializeStage2 = questions => {
+ let initializeStage2 = (questions,paper) => {
$("#leftButton, #rightButton").hide();
if (assessment.time > 0)
{
- this.remainingTime = assessment.time * 60;
+ const deltaTime = !!paper ? Date.now() - paper.startTime : 0;
+ this.remainingTime = assessment.time * 60 - Math.round(deltaTime / 1000);
this.runTimer();
}
// Initialize structured answer(s) based on questions type and nesting (TODO: more general)
assessment.questions = questions;
for (let q of assessment.questions)
this.inputs.push( _(q.options.length).times( _.constant(false) ) );
- assessment.indices = assessment.fixed
- ? _.range(assessment.questions.length)
- : _.shuffle( _.range(assessment.questions.length) );
+ if (!paper)
+ {
+ assessment.indices = assessment.fixed
+ ? _.range(assessment.questions.length)
+ : _.shuffle( _.range(assessment.questions.length) );
+ }
+ else
+ {
+ // 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) );
+ }
+ assessment.index = !!paper ? paper.inputs.length : 0;
+ Vue.nextTick(libsRefresh);
this.stage = 2;
- Vue.nextTick( () => {
- // Run Prism + MathJax on questions text
- $("#statements").find("code[class^=language-]").each( (i,elem) => {
- Prism.highlightElement(elem);
- });
- MathJax.Hub.Queue(["Typeset",MathJax.Hub,"statements"]);
- });
};
if (assessment.mode == "open")
return initializeStage2();
- // TODO: if existing password cookie: get stored answers (papers[number cookie]), inject (inputs), set index+indices
- // (instead of following ajax call)
$.ajax("/start/assessment", {
method: "GET",
data: {
dataType: "json",
success: s => {
if (!!s.errmsg)
- return alert(s.errmsg);
- this.student.password = s.password;
- // Got password: students answers locked to this page until potential teacher
- // action (power failure, computer down, ...)
- // TODO: set password cookie
- // TODO: password also exchanged by sockets to check identity
- //socket = io.connect("/" + assessment.name, {
- // query: "number=" + this.student.number + "&password=" + this.password
- //});
- //socket.on(message.allAnswers, this.setAnswers);
- //socket.on("disconnect", () => { }); //TODO: notify monitor (highlight red), redirect
- initializeStage2(s.questions);
+ return this.warning(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; });
+ }
+ else
+ {
+ this.student.password = s.password;
+ // Got password: students answers locked to this page until potential teacher
+ // action (power failure, computer down, ...)
+ }
+ socket = io.connect("/" + assessment.name, {
+ query: "number=" + this.student.number + "&password=" + this.password
+ });
+ socket.on(message.allAnswers, this.setAnswers);
+ initializeStage2(s.questions, s.paper);
},
});
},
dataType: "json",
success: ret => {
if (!!ret.errmsg)
- return alert(ret.errmsg);
+ return this.warning(ret.errmsg);
assessment.conclusion = ret.conclusion;
this.stage = 3;
delete this.student["password"]; //unable to send new answers now
- //socket.disconnect();
- //socket = null;
+ socket.disconnect();
+ socket = null;
},
});
},
projects / qomet.git / blobdiff