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ui: use lang pretest setting to locate related languages (#390)
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@@ -1,71 +0,0 @@
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import { NamedPage } from 'vj/misc/Page';
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import getAvailableLangs from 'vj/utils/availableLangs';
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function setOptions($el, options) {
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$el.empty();
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$.each(options, (key, value) => {
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$el.append($('<option></option>').attr('value', key).text(value));
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});
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}
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const page = new NamedPage(['problem_submit', 'contest_detail_problem_submit', 'homework_detail_problem_submit'], async () => {
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const { config } = UiContext.pdoc;
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const availableLangs = getAvailableLangs(config.langs);
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function onChangeMain(update = true) {
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const options = {};
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for (const key in availableLangs) {
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if (key.startsWith(`${this.value}.`) && key !== this.value) options[key] = availableLangs[key].display;
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}
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setOptions($('#codelang-sub-select'), options);
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if (Object.keys(options).length) {
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$('#codelang-sub-container').show();
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if (update) $('[name="lang"]').val($('#codelang-sub-select').val());
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} else {
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$('#codelang-sub-container').hide();
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if (update) $('[name="lang"]').val(this.value);
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}
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return Object.keys(options)[0];
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}
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const main = {};
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for (const key in availableLangs) {
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if (config.langs && !config.langs.filter((i) => i === key || i.startsWith(`${key}.`)).length) continue;
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if (!key.includes('.')) main[key] = window.LANGS[key].display;
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else {
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const a = key.split('.')[0];
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main[a] = window.LANGS[a].display;
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}
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}
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setOptions($('#codelang-main-select'), main);
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let isFallback = false;
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const current = $('[name="lang"]').val();
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if (current.includes('.')) {
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const [m] = current.split('.');
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if (main[m]) {
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$('#codelang-main-select').val(m);
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const fallback = onChangeMain.call({ value: m }, false);
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$('#codelang-sub-select').val(current);
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if (fallback && !$('#codelang-sub-select').val()) {
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$('#codelang-sub-select').val(fallback);
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$('[name="lang"]').val(fallback);
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}
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} else isFallback = true;
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} else if (main[current]) {
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$('#codelang-main-select').val(current);
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onChangeMain.call({ value: $('#codelang-main-select').val() }, false);
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} else isFallback = true;
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if (isFallback) {
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$('#codelang-main-select').val(Object.keys(main)[0]);
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onChangeMain.call({ value: Object.keys(main)[0] }, true);
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}
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$('#codelang-main-select').on('change', onChangeMain);
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$('#codelang-sub-select').on('change', function () {
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$('[name="lang"]').val(this.value);
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});
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if (Object.keys(main).length === 1) $('#codelang-main-container').hide();
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});
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export default page;
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@@ -0,0 +1,92 @@
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import React from 'react';
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import ReactDOM from 'react-dom/client';
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import i18n from 'vj/utils/i18n';
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import { NamedPage } from 'vj/misc/Page';
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import getAvailableLangs from 'vj/utils/availableLangs';
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const page = new NamedPage(['problem_submit', 'contest_detail_problem_submit', 'homework_detail_problem_submit'], async () => {
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const { config } = UiContext.pdoc;
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const availableLangs = getAvailableLangs(config.langs);
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const mainLangs = {};
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const preferences = [($('[name="lang"]').val() as string) || ''];
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for (const key in availableLangs) {
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if (config.langs && !config.langs.filter((i) => i === key || i.startsWith(`${key}.`)).length) continue;
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if (window.LANGS[key].pretest === preferences[0]) preferences.push(key);
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if (!key.includes('.')) mainLangs[key] = window.LANGS[key].display;
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else {
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const a = key.split('.')[0];
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mainLangs[a] = window.LANGS[a].display;
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}
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}
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for (const key in availableLangs) {
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if (config.langs && !config.langs.filter((i) => i === key || i.startsWith(`${key}.`)).length) continue;
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if (window.LANGS[key].pretest?.split('.')[0] === preferences[0].split('.')[0]) preferences.push(key);
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}
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const [firstLoadMain, firstLoadSub] = (() => {
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for (const preference of preferences) {
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if (preference.includes('.')) {
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const [l, r] = preference.split('.');
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if (availableLangs[preference]) return [l, r];
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if (availableLangs[l]) return [l, ''];
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} else if (availableLangs[preference]) {
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return [preference, ''];
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}
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}
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return [Object.keys(mainLangs)[0], ''];
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})();
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function LanguageSelect() {
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const [main, setMain] = React.useState(firstLoadMain);
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const [sub, setSub] = React.useState(firstLoadSub);
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const options = {};
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for (const key in availableLangs) {
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if (key.startsWith(`${main}.`)) options[key.split('.')[1]] = availableLangs[key].display;
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}
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React.useEffect(() => {
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$('[name="lang"]').val(sub ? `${main}.${sub}` : main);
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}, [main, sub]);
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React.useEffect(() => {
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const subselections = Object.keys(options).length;
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if (options[sub]) return;
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if (!subselections) setSub('');
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if (subselections === 1) setSub(Object.keys(options)[0]);
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}, [main]);
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return (
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<>
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<div className="medium-5 columns form__item end">
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<label>
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{i18n('Code language')}
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<div className="select-container">
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<select value={main} onChange={(ev) => setMain(ev.target.value)} className="select">
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{Object.keys(mainLangs).map((key) => (
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<option key={key} value={key}>{mainLangs[key]}</option>
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))}
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</select>
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</div>
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</label>
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</div>
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{Object.keys(options).length > 1 && (
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<div className="medium-5 columns form__item end">
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<label>
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{i18n('Code language')}
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<div className="select-container">
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<select value={sub} onChange={(ev) => setSub(ev.target.value)} className="select">
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{Object.keys(options).map((i) => (
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<option value={i} key={i}>{options[i]}</option>
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))}
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</select>
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</div>
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</label>
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</div>
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)}
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</>
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);
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}
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ReactDOM.createRoot(document.getElementById('codelang-selector')).render(<LanguageSelect />);
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});
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export default page;
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