-class Quiz {
- next() {
- let word = this.words.shift();
- let form = put(this.form,
- '+img[src=$]+ul', `/data/word/en/${word[0]}.jpg`,
- );
-
- let answers = [word[2], this.words[1][2], this.words[2][2], this.words[3][2]]
- .sort(() => {return .5 - Math.random()}) // shuffle
- answers.forEach(suggest => {
- let label = suggest.replace(/\/.*/, '');
- let option = put(form, 'li', label, {onclick: () => {
- if (suggest != word[2]) {
- // incorrect
- put(option, '.wrong');
- return;
+Array.prototype.shuffle = function () {
+ for (let i = this.length - 1; i > 0; i--) {
+ const j = Math.floor(Math.random() * (i + 1)); // random index 0..i
+ [this[i], this[j]] = [this[j], this[i]]; // swap elements
+ }
+ return this;
+};
+
+function hashparams() {
+ const encodedhash = window.location.href.split('#').slice(1) || '';
+ if (encodedhash.length == 1) {
+ // location.hash is not encoded in firefox
+ return decodeURIComponent(encodedhash).split('#');
+ }
+ return encodedhash;
+}
+
+class Words {
+ constructor(data, root = undefined) {
+ this.data = data;
+ this.selection = root || this.data[''][3];
+ this.visible = new Set(root || Object.keys(data).flatMap(id => id && parseInt(id)));
+ if (root) {
+ let children = root;
+ for (let loop = 0; children.length && loop < 20; loop++) {
+ for (let child of children) this.visible.add(child);
+ children = children.map(cat => data[cat][3]).filter(is => is).flat();
+ }
+ }
+ }
+
+ filter(f) {
+ // keep only matching entries, and root selection regardless
+ this.visible = new Set([...this.visible].filter(f).concat(this.selection));
+ }
+
+ *root() {
+ for (let i of this.selection) {
+ if (!this.has(i)) {
+ continue;
+ }
+ yield this.get(i);
+ }
+ }
+
+ *random() {
+ let order = [...this.visible.keys()].shuffle();
+ for (let i of order) {
+ if (!this.has(i)) {
+ continue;
+ }
+ yield this.get(i);
+ }
+ }
+
+ has(id) {
+ return this.visible.has(id);
+ }
+
+ subs(id) {
+ let refs = this.data[id][3];
+ if (!refs) {
+ return [];
+ }
+ for (let ref of refs) {
+ // retain orphaned references in grandparent categories
+ if (!this.has(ref)) {
+ refs = refs.concat(this.subs(ref));
+ }
+ }
+ return refs;
+ }
+
+ get(id) {
+ if (!this.has(id)) {
+ return;
+ }
+ const p = this;
+ const row = this.data[id];
+ return row && {
+ id: id,
+ title: row[0],
+ get label() {
+ return row[0].replace(/\/.*/, ''); // primary form
+ },
+ get html() {
+ let aliases = this.title.split('/');
+ let html = aliases.shift();
+ html = html.replace(/\((.+)\)/, '<small>$1</small>');
+ for (let alias of aliases) {
+ html += ` <small>(${alias})</small>`;
}
- put(option, '.good');
- window.setTimeout(() => this.next(), 500);
- }});
- });
+ return html;
+ },
+ level: row[1],
+ imgid: row[2],
+ thumb(size = 32) {
+ return `/data/word/${size}/${row[2]}.jpg`;
+ },
+ get subs() {
+ return p.subs(id).map(e => p.get(e));
+ },
+ };
}
+}
- constructor(dataurl) {
- fetch(dataurl).then(res => res.json()).then(json => {
- this.form = document.getElementById('quiz');
- this.words = Object.values(json)
- .sort(() => {return .5 - Math.random()}) // shuffle
- .map(row => row.split(/:/))
- this.next();
+class WordQuiz {
+ dataselect(json) {
+ this.data = this.datafilter(json);
+ return [...this.data.random()];
+ }
+
+ datafilter(json) {
+ // find viable rows from json data
+ const selection = new Words(json, this.preset.cat);
+
+ if (this.preset.images) {
+ selection.filter(id => json[id][2]);
+ }
+ if (this.preset.level !== undefined) {
+ selection.filter(id => json[id][1] <= this.preset.level);
+ }
+
+ if (this.preset.distinct) {
+ // remove referenced categories
+ selection.filter(id => !selection.get(id).subs.length);
+ }
+
+ return selection;
+ }
+
+ configure(params = hashparams()) {
+ const opts = new Map(params.map(arg => arg.split(/[:=](.*)/)));
+ for (let [query, val] of opts) {
+ if (query.match(/^\d+$/)) {
+ this.preset.cat = [parseInt(query)];
+ }
+ else if (query === 'level') {
+ this.preset.level = parseInt(val);
+ }
+ else if (query === 'debug') {
+ this.preset.debug = true;
+ }
+ else {
+ this.preset[query] = val;
+ }
+ }
+ this.preset.dataurl = `/data/wordlist.${this.preset.lang}.json`
+ }
+
+ setup() {
+ this.form = document.getElementById('quiz');
+ }
+
+ load() {
+ this.configure();
+ fetch(this.preset.dataurl).then(res => res.json()).then(json => {
+ this.words = this.dataselect(json)
+ this.setup();
});
}
-};
+
+ log(...args) {
+ this.history.push([new Date().toISOString(), ...args]);
+ }
+
+ stop(...args) {
+ this.log(...args);
+ window.onbeforeunload = null;
+ fetch('/word/report', {method: 'POST', body: JSON.stringify(this.history)});
+ }
+
+ constructor() {
+ this.preset = {images: true, lang: 'en'};
+ this.load();
+ this.history = [];
+ window.onbeforeunload = e => {
+ this.stop('abort');
+ };
+ window.onhashchange = e => {
+ this.load();
+ };
+ }
+}
git.shiar.nl / sheet.git / blobdiff