403 lines
12 KiB
JavaScript
403 lines
12 KiB
JavaScript
/* Moteur d'exercices hors ligne. Aucune dependance externe.
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Types supportes : qcm, vf, assoc, tri, ordre, hotspot, calcul, texte, intrus. */
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var TOTAL = 0, REUSSIS = 0, TENTES = 0;
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function norm(s){
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return (s || "").toString().toLowerCase()
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.normalize("NFD").replace(/[\u0300-\u036f]/g, "")
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.replace(/[^a-z0-9]/g, "");
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}
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function el(tag, cls, txt){
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var e = document.createElement(tag);
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if (cls) e.className = cls;
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if (txt !== undefined) e.textContent = txt;
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return e;
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}
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function melange(t){
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var a = t.slice();
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for (var i = a.length - 1; i > 0; i--){
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var j = Math.floor(Math.random() * (i + 1));
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var x = a[i]; a[i] = a[j]; a[j] = x;
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}
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return a;
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}
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function compter(ok){
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TENTES++; if (ok) REUSSIS++;
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majScore();
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}
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function majScore(){
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var s = document.getElementById("score");
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if (!s) return;
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var pct = TOTAL ? Math.round(REUSSIS / TOTAL * 100) : 0;
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s.querySelector(".txt").innerHTML = "Exercices reussis : <strong>" + REUSSIS +
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" / " + TOTAL + "</strong> (" + pct + " %)";
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s.querySelector(".barre span").style.width = pct + "%";
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}
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function retour(box, ok, msg){
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var r = box.querySelector(".retour");
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r.className = "retour " + (ok ? "ok" : "ko");
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r.textContent = (ok ? "Correct. " : "Ce n'est pas cela. ") + (msg || "");
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}
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function cadre(d){
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var box = el("article", "ex");
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var c = el("p", "consigne", d.consigne || "Exercice");
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box.appendChild(c);
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if (d.enonce) box.appendChild(el("p", "enonce", d.enonce));
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return box;
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}
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function finir(box){
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box.appendChild(el("div", "retour"));
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return box;
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}
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/* ---------- QCM ---------- */
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function faireQcm(d){
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var box = cadre(d), fini = false;
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d.options.forEach(function(txt, i){
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var b = el("button", "opt", txt);
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b.onclick = function(){
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if (fini) return;
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fini = true;
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var ok = (i === d.reponse);
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b.classList.add(ok ? "juste" : "faux");
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if (!ok) box.querySelectorAll(".opt")[d.reponse].classList.add("juste");
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box.querySelectorAll(".opt").forEach(function(o){ o.disabled = true; });
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retour(box, ok, d.explication || "");
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compter(ok);
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};
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box.appendChild(b);
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});
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return finir(box);
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}
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/* ---------- Vrai / Faux ---------- */
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function faireVf(d){
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var box = cadre(d), fini = false;
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["Vrai", "Faux"].forEach(function(txt, i){
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var b = el("button", "jeton", txt);
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b.onclick = function(){
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if (fini) return;
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fini = true;
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var ok = ((i === 0) === d.reponse);
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b.classList.add(ok ? "juste" : "faux");
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box.querySelectorAll(".jeton").forEach(function(o){ o.disabled = true; });
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retour(box, ok, d.explication || "");
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compter(ok);
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};
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box.appendChild(b);
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});
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return finir(box);
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}
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/* ---------- Association (clic gauche puis clic droit) ---------- */
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function faireAssoc(d){
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var box = cadre(d);
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var zone = el("div", "deux-col");
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var g = el("div"), dr = el("div");
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g.appendChild(el("h4", null, "Colonne A"));
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dr.appendChild(el("h4", null, "Colonne B"));
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var choisi = null, trouves = 0;
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var droite = melange(d.paires.map(function(p, i){ return { t: p[1], i: i }; }));
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d.paires.forEach(function(p, i){
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var b = el("button", "jeton", p[0]);
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b.style.display = "block"; b.dataset.i = i;
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b.onclick = function(){
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if (b.disabled) return;
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if (choisi) choisi.classList.remove("choisi");
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choisi = b; b.classList.add("choisi");
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};
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g.appendChild(b);
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});
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droite.forEach(function(o){
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var b = el("button", "jeton", o.t);
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b.style.display = "block";
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b.onclick = function(){
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if (!choisi || b.disabled) return;
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var ok = (parseInt(choisi.dataset.i, 10) === o.i);
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if (ok){
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choisi.classList.remove("choisi");
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choisi.classList.add("juste"); b.classList.add("juste");
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choisi.disabled = true; b.disabled = true;
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choisi = null; trouves++;
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if (trouves === d.paires.length){
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retour(box, true, d.explication || "Toutes les paires sont correctes.");
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compter(true);
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}
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} else {
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b.classList.add("faux");
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setTimeout(function(){ b.classList.remove("faux"); }, 600);
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retour(box, false, "Essaie une autre correspondance.");
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}
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};
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dr.appendChild(b);
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});
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zone.appendChild(g); zone.appendChild(dr);
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box.appendChild(zone);
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return finir(box);
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}
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/* ---------- Tri dans des paniers ---------- */
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function faireTri(d){
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var box = cadre(d);
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var reserve = el("div", "reserve");
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var choisi = null, places = 0;
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melange(d.items).forEach(function(it){
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var b = el("button", "item", it[0]);
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b.dataset.p = it[1];
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b.onclick = function(){
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if (b.disabled) return;
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if (choisi) choisi.classList.remove("choisi");
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choisi = b; b.classList.add("choisi");
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};
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reserve.appendChild(b);
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});
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box.appendChild(reserve);
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var paniers = el("div", "paniers");
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d.paniers.forEach(function(nom, pi){
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var p = el("div", "panier");
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p.appendChild(el("h4", null, nom));
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p.onclick = function(){
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if (!choisi) return;
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var ok = (parseInt(choisi.dataset.p, 10) === pi);
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if (ok){
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choisi.classList.remove("choisi");
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choisi.classList.add("juste");
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choisi.disabled = true;
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p.appendChild(choisi);
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choisi = null; places++;
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if (places === d.items.length){
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retour(box, true, d.explication || "Tout est bien classe.");
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compter(true);
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}
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} else {
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p.classList.add("vise");
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setTimeout(function(){ p.classList.remove("vise"); }, 500);
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retour(box, false, "Ce n'est pas le bon panier.");
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}
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};
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paniers.appendChild(p);
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});
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box.appendChild(paniers);
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return finir(box);
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}
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/* ---------- Remise en ordre ---------- */
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function faireOrdre(d){
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var box = cadre(d);
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var liste = el("div");
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var ordre = melange(d.etapes.map(function(t, i){ return { t: t, i: i }; }));
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function dessiner(){
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liste.innerHTML = "";
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ordre.forEach(function(o, pos){
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var ligne = el("div", "item");
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ligne.style.display = "block";
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ligne.textContent = (pos + 1) + ". " + o.t;
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var up = el("button", "jeton", "monter");
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var dn = el("button", "jeton", "descendre");
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up.onclick = function(){
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if (pos === 0) return;
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var x = ordre[pos - 1]; ordre[pos - 1] = ordre[pos]; ordre[pos] = x; dessiner();
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};
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dn.onclick = function(){
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if (pos === ordre.length - 1) return;
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var x = ordre[pos + 1]; ordre[pos + 1] = ordre[pos]; ordre[pos] = x; dessiner();
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};
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ligne.appendChild(document.createTextNode(" "));
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ligne.appendChild(up); ligne.appendChild(dn);
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liste.appendChild(ligne);
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});
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}
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dessiner();
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box.appendChild(liste);
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var v = el("button", "action", "Verifier l'ordre");
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var fini = false;
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v.onclick = function(){
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if (fini) return;
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var ok = ordre.every(function(o, pos){ return o.i === pos; });
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if (ok){
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fini = true; v.disabled = true;
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liste.querySelectorAll(".item").forEach(function(i){ i.classList.add("juste"); });
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retour(box, true, d.explication || "");
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compter(true);
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} else {
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retour(box, false, "L'ordre n'est pas encore correct, recommence.");
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}
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};
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box.appendChild(v);
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return finir(box);
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}
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/* ---------- Zones cliquables sur schema ---------- */
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function faireHotspot(d){
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var box = cadre(d);
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var wrap = el("div");
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wrap.innerHTML = d.svg;
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box.appendChild(wrap);
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var question = el("p", "enonce");
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box.appendChild(question);
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var restants = melange(d.zones.slice());
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var trouves = 0;
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function demander(){
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if (!restants.length){
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retour(box, true, d.explication || "Toutes les zones ont ete trouvees.");
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compter(true);
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question.textContent = "Termine.";
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return;
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}
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question.innerHTML = "Clique sur : <strong>" + restants[0] + "</strong>";
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}
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wrap.querySelectorAll(".zone").forEach(function(z){
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z.addEventListener("click", function(){
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if (!restants.length) return;
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if (z.dataset.zone === restants[0]){
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z.classList.add("juste");
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restants.shift(); trouves++;
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demander();
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} else {
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z.classList.add("faux");
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setTimeout(function(){ z.classList.remove("faux"); }, 500);
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retour(box, false, "Ce n'est pas cet element.");
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}
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});
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});
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demander();
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return finir(box);
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}
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/* ---------- Calcul ou reponse courte ---------- */
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function faireSaisie(d){
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var box = cadre(d);
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var champ = el("input", "court");
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champ.type = "text";
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var v = el("button", "action", "Verifier");
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var fini = false;
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v.onclick = function(){
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if (fini) return;
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var ok;
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if (d.type === "calcul"){
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var n = parseFloat(champ.value.replace(",", ".").replace(/[^0-9.\-]/g, ""));
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ok = !isNaN(n) && Math.abs(n - d.reponse) <= (d.tolerance || 0);
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} else {
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ok = d.acceptees.some(function(a){ return norm(a) === norm(champ.value); });
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}
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if (ok){
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fini = true; v.disabled = true; champ.disabled = true;
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retour(box, true, d.explication || "");
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compter(true);
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} else {
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retour(box, false, d.indice || "Relis la theorie du chapitre et reessaie.");
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}
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};
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box.appendChild(champ);
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box.appendChild(document.createTextNode(" "));
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box.appendChild(v);
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return finir(box);
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}
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/* ---------- Chasse a l'intrus (plusieurs affirmations fausses) ---------- */
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function faireIntrus(d){
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var box = cadre(d);
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var restants = d.items.filter(function(i){ return i[1]; }).length;
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var erreurs = 0;
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d.items.forEach(function(it){
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var b = el("button", "opt", it[0]);
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b.onclick = function(){
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if (b.disabled) return;
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b.disabled = true;
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if (it[1]){
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b.classList.add("juste");
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restants--;
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if (restants === 0){
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retour(box, erreurs === 0, d.explication || "");
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compter(erreurs === 0);
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}
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} else {
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b.classList.add("faux");
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erreurs++;
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retour(box, false, "Cette affirmation est correcte, ce n'est pas un intrus.");
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}
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};
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box.appendChild(b);
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});
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return finir(box);
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}
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/* ---------- Serie chronometree ---------- */
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function faireChrono(d){
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var box = cadre(d);
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var minuteur = el("span", "chrono", "");
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box.querySelector(".consigne").appendChild(minuteur);
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var zone = el("div"); box.appendChild(zone);
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var idx = 0, bons = 0, temps = d.secondes || 60, timer = null, encours = false;
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var demarrer = el("button", "action", "Demarrer la serie");
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box.appendChild(demarrer);
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demarrer.onclick = function(){
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if (encours) return;
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encours = true; demarrer.style.display = "none";
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idx = 0; bons = 0; temps = d.secondes || 60;
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minuteur.textContent = temps + " s";
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timer = setInterval(function(){
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temps--; minuteur.textContent = temps + " s";
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if (temps <= 0) terminer();
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}, 1000);
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poser();
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};
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function poser(){
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zone.innerHTML = "";
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if (idx >= d.questions.length){ terminer(); return; }
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var q = d.questions[idx];
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zone.appendChild(el("p", "enonce", (idx + 1) + ". " + q.enonce));
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q.options.forEach(function(t, i){
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var b = el("button", "jeton", t);
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b.onclick = function(){
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if (i === q.reponse) bons++;
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idx++; poser();
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};
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zone.appendChild(b);
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});
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}
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function terminer(){
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clearInterval(timer); encours = false;
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zone.innerHTML = "";
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var seuil = Math.ceil(d.questions.length * 0.7);
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var ok = bons >= seuil;
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retour(box, ok, "Score : " + bons + " / " + d.questions.length +
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". Seuil de reussite : " + seuil + ".");
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compter(ok);
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demarrer.textContent = "Recommencer la serie";
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demarrer.style.display = "inline-block";
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}
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return finir(box);
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}
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/* ---------- Construction de la page ---------- */
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var FABRIQUES = {
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qcm: faireQcm, vf: faireVf, assoc: faireAssoc, tri: faireTri,
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ordre: faireOrdre, hotspot: faireHotspot, calcul: faireSaisie,
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texte: faireSaisie, intrus: faireIntrus, chrono: faireChrono
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};
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function construire(data){
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var cible = document.getElementById("exercices");
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TOTAL = data.length; REUSSIS = 0; TENTES = 0;
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var s = el("div", "score");
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s.id = "score";
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var t = el("div", "txt"); s.appendChild(t);
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var b = el("div", "barre"); b.appendChild(el("span")); s.appendChild(b);
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var rz = el("button", "action secondaire", "Tout recommencer");
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rz.onclick = function(){ location.reload(); };
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s.appendChild(rz);
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cible.parentNode.insertBefore(s, cible);
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data.forEach(function(d){
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var f = FABRIQUES[d.type];
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if (f) cible.appendChild(f(d));
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});
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majScore();
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}
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window.addEventListener("DOMContentLoaded", function(){
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if (window.DATA) construire(window.DATA);
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});
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