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65 lines
2.3 KiB
JavaScript
65 lines
2.3 KiB
JavaScript
import { NamedPage } from 'vj/misc/Page';
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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($('<option></option>').attr('value', key).text(value));
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});
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}
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const page = new NamedPage(['problem_submit', 'contest_detail_problem_submit', 'homework_detail_problem_submit'], async () => {
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const { config } = UiContext.pdoc;
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const domainId = UiContext.pdoc.reference?.domainId || UiContext.pdoc.domainId;
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function onChangeMain(update = true) {
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const options = {};
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for (const key in window.LANGS) {
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if (config.langs && !config.langs.includes(key)) continue;
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if (window.LANGS[key].domain && !window.LANGS[key].domain.includes(domainId)) continue;
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if (key.startsWith(`${this.value}.`) && key !== this.value) options[key] = window.LANGS[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) $('[name="lang"]').val(this.value);
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}
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return Object.keys(options)[0];
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}
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const main = {};
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for (const key in window.LANGS) {
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if (config.langs && !config.langs.filter((i) => i === key || i.startsWith(`${key}.`)).length) continue;
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if (window.LANGS[key].domain && !window.LANGS[key].domain.includes(domainId)) 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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const current = $('[name="lang"]').val();
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if (current.includes('.')) {
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const [m] = current.split('.');
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$('#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 {
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$('#codelang-main-select').val(current);
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onChangeMain.call({ value: $('#codelang-main-select').val() }, false);
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}
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$('#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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});
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export default page;
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