Commit | Line | Data |
---|---|---|
cc7c0f5e BA |
1 | // TODO: if display == "all", les envois devraient être non définitifs (possibilité de corriger) |
2 | // Et, blur sur une (sous-)question devrait envoyer la version courante de la sous-question | |
3 | ||
e99c53fb BA |
4 | let socket = null; //monitor answers in real time |
5 | ||
cc7c0f5e BA |
6 | if (assessment.mode == "secure" && !checkWindowSize()) |
7 | document.location.href= "/fullscreen"; | |
e99c53fb | 8 | |
cc7c0f5e | 9 | function checkWindowSize() |
e99c53fb | 10 | { |
cc7c0f5e BA |
11 | // NOTE: temporarily accept smartphone (security hole: pretend being a smartphone on desktop browser...) |
12 | if (navigator.userAgent.match(/(iPhone|iPod|iPad|Android|BlackBerry)/)) | |
13 | return true; | |
14 | return window.innerWidth == screen.width && window.innerHeight == screen.height; | |
e99c53fb BA |
15 | }; |
16 | ||
cc7c0f5e | 17 | new Vue({ |
e99c53fb BA |
18 | el: "#assessment", |
19 | data: { | |
20 | assessment: assessment, | |
21 | inputs: [ ], //student's answers | |
22 | student: { }, //filled later | |
23 | // Stage 0: unauthenticated (number), | |
24 | // 1: authenticated (got a name, unvalidated) | |
25 | // 2: locked: password set, exam started | |
26 | // 3: completed | |
27 | // 4: show answers | |
28 | stage: assessment.mode != "open" ? 0 : 1, | |
29 | remainingTime: 0, //global, in seconds | |
30 | }, | |
31 | components: { | |
32 | "statements": { | |
33 | props: ['assessment','inputs','student','stage'], | |
34 | data: function() { | |
35 | return { | |
36 | index: 0, //current question index in assessment.indices | |
37 | }; | |
38 | }, | |
e99c53fb BA |
39 | // TODO: general render function for nested exercises |
40 | // TODO: with answer if stage==4 : class "wrong" if ticked AND stage==4 AND received answers | |
41 | // class "right" if stage == 4 AND received answers (background-color: red / green) | |
42 | // There should be a questions navigator below, or next (visible if display=='all') | |
43 | // Full questions tree is rendered, but some parts hidden depending on display settings | |
44 | render(h) { | |
45 | let self = this; | |
46 | let questions = assessment.questions.map( (q,i) => { | |
47 | let questionContent = [ ]; | |
48 | questionContent.push( | |
49 | h( | |
50 | "div", | |
51 | { | |
52 | "class": { | |
cc7c0f5e | 53 | wording: true, |
e99c53fb BA |
54 | }, |
55 | domProps: { | |
56 | innerHTML: q.wording, | |
57 | }, | |
58 | } | |
59 | ) | |
60 | ); | |
61 | let optionsOrder = _.range(q.options.length); | |
62 | if (!q.fixed) | |
63 | optionsOrder = _.shuffle(optionsOrder); | |
64 | let optionList = [ ]; | |
65 | optionsOrder.forEach( idx => { | |
66 | let option = [ ]; | |
67 | option.push( | |
68 | h( | |
69 | "input", | |
70 | { | |
71 | domProps: { | |
72 | checked: this.inputs[i][idx], | |
73 | }, | |
74 | attrs: { | |
75 | id: this.inputId(i,idx), | |
76 | type: "checkbox", | |
77 | }, | |
78 | on: { | |
79 | change: e => { this.inputs[i][idx] = e.target.checked; }, | |
80 | }, | |
81 | }, | |
82 | ) | |
83 | ); | |
84 | option.push( | |
85 | h( | |
86 | "label", | |
87 | { | |
88 | domProps: { | |
89 | innerHTML: q.options[idx], | |
90 | }, | |
91 | attrs: { | |
92 | "for": this.inputId(i,idx), | |
93 | }, | |
94 | } | |
95 | ) | |
96 | ); | |
97 | optionList.push( | |
98 | h( | |
99 | "div", | |
100 | { | |
101 | "class": { | |
102 | option: true, | |
103 | choiceCorrect: this.stage == 4 && assessment.questions[i].answer.includes(idx), | |
104 | choiceWrong: this.stage == 4 && this.inputs[i][idx] && !assessment.questions[i].answer.includes(idx), | |
105 | }, | |
106 | }, | |
107 | option | |
108 | ) | |
109 | ); | |
110 | }); | |
111 | questionContent.push( | |
112 | h( | |
113 | "div", | |
114 | { | |
115 | "class": { | |
116 | optionList: true, | |
117 | }, | |
118 | }, | |
119 | optionList | |
120 | ) | |
121 | ); | |
122 | return h( | |
123 | "div", | |
124 | { | |
125 | "class": { | |
126 | "question": true, | |
127 | "hide": this.stage == 2 && assessment.display == 'one' && assessment.indices[this.index] != i, | |
128 | }, | |
129 | }, | |
130 | questionContent | |
131 | ); | |
132 | }); | |
133 | if (this.stage == 2) | |
134 | { | |
135 | // TODO: one button per question | |
136 | questions.unshift( | |
137 | h( | |
138 | "button", | |
139 | { | |
140 | "class": { | |
141 | "waves-effect": true, | |
142 | "waves-light": true, | |
143 | "btn": true, | |
144 | }, | |
cc7c0f5e BA |
145 | style: { |
146 | "display": "block", | |
147 | "margin-left": "auto", | |
148 | "margin-right": "auto", | |
149 | }, | |
e99c53fb BA |
150 | on: { |
151 | click: () => this.sendAnswer(assessment.indices[this.index]), | |
152 | }, | |
153 | }, | |
154 | "Send" | |
155 | ) | |
156 | ); | |
157 | } | |
158 | return h( | |
159 | "div", | |
160 | { | |
161 | attrs: { | |
162 | id: "statements", | |
163 | }, | |
164 | }, | |
165 | questions | |
166 | ); | |
167 | }, | |
cc7c0f5e BA |
168 | mounted: function() { |
169 | if (assessment.mode != "secure") | |
170 | return; | |
171 | window.addEventListener("keydown", e => { | |
172 | // (Try to) Ignore F11 + F12 (avoid accidental window resize) | |
173 | // NOTE: in Chromium at least, exiting fullscreen mode with F11 cannot be prevented. | |
174 | // Workaround: disable key at higher level. Possible xbindkey config: | |
175 | // "false" | |
176 | // m:0x10 + c:95 | |
177 | // Mod2 + F11 | |
178 | if ([122,123].includes(e.keyCode)) | |
179 | e.preventDefault(); | |
180 | }, false); | |
181 | window.addEventListener("blur", () => { | |
182 | this.trySendCurrentAnswer(); | |
183 | document.location.href= "/noblur"; | |
184 | }, false); | |
185 | window.addEventListener("resize", e => { | |
186 | this.trySendCurrentAnswer(); | |
187 | document.location.href= "/fullscreen"; | |
188 | }, false); | |
189 | }, | |
e99c53fb | 190 | methods: { |
e99c53fb BA |
191 | inputId: function(i,j) { |
192 | return "q" + i + "_" + "input" + j; | |
193 | }, | |
cc7c0f5e BA |
194 | trySendCurrentAnswer: function() { |
195 | if (this.stage == 2) | |
196 | this.sendAnswer(assessment.indices[this.index]); | |
e99c53fb BA |
197 | }, |
198 | // stage 2 | |
199 | sendAnswer: function(realIndex) { | |
200 | if (this.index == assessment.questions.length - 1) | |
201 | this.$emit("gameover"); | |
202 | else | |
203 | this.index++; | |
204 | if (assessment.mode == "open") | |
205 | return; //only local | |
206 | let answerData = { | |
207 | aid: assessment._id, | |
208 | answer: JSON.stringify({ | |
209 | index:realIndex.toString(), | |
210 | input:this.inputs[realIndex] | |
211 | .map( (tf,i) => { return {val:tf,idx:i}; } ) | |
212 | .filter( item => { return item.val; }) | |
213 | .map( item => { return item.idx; }) | |
214 | }), | |
215 | number: this.student.number, | |
216 | password: this.student.password, | |
217 | }; | |
218 | $.ajax("/send/answer", { | |
219 | method: "GET", | |
220 | data: answerData, | |
221 | dataType: "json", | |
222 | success: ret => { | |
223 | if (!!ret.errmsg) | |
224 | return alert(ret.errmsg); | |
225 | //socket.emit(message.newAnswer, answer); | |
226 | }, | |
227 | }); | |
228 | }, | |
e99c53fb BA |
229 | }, |
230 | }, | |
231 | }, | |
e99c53fb BA |
232 | computed: { |
233 | countdown: function() { | |
234 | let seconds = this.remainingTime % 60; | |
235 | let minutes = Math.floor(this.remainingTime / 60); | |
236 | return this.padWithZero(minutes) + ":" + this.padWithZero(seconds); | |
237 | }, | |
238 | }, | |
239 | methods: { | |
e99c53fb BA |
240 | padWithZero: function(x) { |
241 | if (x < 10) | |
242 | return "0" + x; | |
243 | return x; | |
244 | }, | |
245 | // stage 0 --> 1 | |
246 | getStudent: function(cb) { | |
247 | $.ajax("/get/student", { | |
248 | method: "GET", | |
249 | data: { | |
250 | number: this.student.number, | |
251 | cid: assessment.cid, | |
252 | }, | |
253 | dataType: "json", | |
254 | success: s => { | |
255 | if (!!s.errmsg) | |
256 | return alert(s.errmsg); | |
257 | this.stage = 1; | |
258 | this.student = s.student; | |
259 | Vue.nextTick( () => { Materialize.updateTextFields(); }); | |
260 | if (!!cb) | |
261 | cb(); | |
262 | }, | |
263 | }); | |
264 | }, | |
265 | // stage 1 --> 0 | |
266 | cancelStudent: function() { | |
267 | this.stage = 0; | |
268 | }, | |
269 | // stage 1 --> 2 (get all questions, set password) | |
270 | startAssessment: function() { | |
e99c53fb BA |
271 | let initializeStage2 = questions => { |
272 | $("#leftButton, #rightButton").hide(); | |
273 | if (assessment.time > 0) | |
274 | { | |
275 | this.remainingTime = assessment.time * 60; | |
276 | this.runTimer(); | |
277 | } | |
278 | // Initialize structured answer(s) based on questions type and nesting (TODO: more general) | |
279 | if (!!questions) | |
280 | assessment.questions = questions; | |
281 | for (let q of assessment.questions) | |
282 | this.inputs.push( _(q.options.length).times( _.constant(false) ) ); | |
283 | assessment.indices = assessment.fixed | |
284 | ? _.range(assessment.questions.length) | |
285 | : _.shuffle( _.range(assessment.questions.length) ); | |
286 | this.stage = 2; | |
cc7c0f5e BA |
287 | Vue.nextTick( () => { |
288 | // Run Prism + MathJax on questions text | |
289 | $("#statements").find("code[class^=language-]").each( (i,elem) => { | |
290 | Prism.highlightElement(elem); | |
291 | }); | |
292 | MathJax.Hub.Queue(["Typeset",MathJax.Hub,"statements"]); | |
293 | }); | |
e99c53fb BA |
294 | }; |
295 | if (assessment.mode == "open") | |
296 | return initializeStage2(); | |
cc7c0f5e BA |
297 | // TODO: if existing password cookie: get stored answers (papers[number cookie]), inject (inputs), set index+indices |
298 | // (instead of following ajax call) | |
e99c53fb BA |
299 | $.ajax("/start/assessment", { |
300 | method: "GET", | |
301 | data: { | |
302 | number: this.student.number, | |
303 | aid: assessment._id | |
304 | }, | |
305 | dataType: "json", | |
306 | success: s => { | |
307 | if (!!s.errmsg) | |
308 | return alert(s.errmsg); | |
309 | this.student.password = s.password; | |
310 | // Got password: students answers locked to this page until potential teacher | |
311 | // action (power failure, computer down, ...) | |
cc7c0f5e | 312 | // TODO: set password cookie |
e99c53fb BA |
313 | // TODO: password also exchanged by sockets to check identity |
314 | //socket = io.connect("/" + assessment.name, { | |
315 | // query: "number=" + this.student.number + "&password=" + this.password | |
316 | //}); | |
317 | //socket.on(message.allAnswers, this.setAnswers); | |
cc7c0f5e | 318 | //socket.on("disconnect", () => { }); //TODO: notify monitor (highlight red), redirect |
e99c53fb BA |
319 | initializeStage2(s.questions); |
320 | }, | |
321 | }); | |
322 | }, | |
323 | // stage 2 | |
324 | runTimer: function() { | |
325 | if (assessment.time <= 0) | |
326 | return; | |
327 | let self = this; | |
328 | setInterval( function() { | |
329 | self.remainingTime--; | |
330 | if (self.remainingTime <= 0 || self.stage >= 4) | |
331 | self.endAssessment(); | |
332 | clearInterval(this); | |
333 | }, 1000); | |
334 | }, | |
e99c53fb | 335 | // stage 2 --> 3 (or 4) |
cc7c0f5e | 336 | // from a message by statements component, or time over |
e99c53fb | 337 | endAssessment: function() { |
cc7c0f5e | 338 | // Set endTime, destroy password |
e99c53fb | 339 | $("#leftButton, #rightButton").show(); |
cc7c0f5e | 340 | if (assessment.mode == "open") |
e99c53fb | 341 | { |
e99c53fb | 342 | this.stage = 4; |
cc7c0f5e BA |
343 | return; |
344 | } | |
345 | $.ajax("/end/assessment", { | |
346 | method: "GET", | |
347 | data: { | |
348 | aid: assessment._id, | |
349 | number: this.student.number, | |
350 | password: this.student.password, | |
351 | }, | |
352 | dataType: "json", | |
353 | success: ret => { | |
354 | if (!!ret.errmsg) | |
355 | return alert(ret.errmsg); | |
356 | assessment.conclusion = ret.conclusion; | |
357 | this.stage = 3; | |
358 | delete this.student["password"]; //unable to send new answers now | |
359 | //socket.disconnect(); | |
360 | //socket = null; | |
361 | }, | |
362 | }); | |
e99c53fb BA |
363 | }, |
364 | // stage 3 --> 4 (on socket message "feedback") | |
365 | setAnswers: function(answers) { | |
366 | for (let i=0; i<answers.length; i++) | |
367 | assessment.questions[i].answer = answers[i]; | |
368 | this.stage = 4; | |
369 | }, | |
370 | }, | |
371 | }); |