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266 lines
9.2 KiB
JavaScript
266 lines
9.2 KiB
JavaScript
import _ from 'lodash';
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import $ from 'jquery';
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import { NamedPage } from 'vj/misc/Page';
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import Notification from 'vj/components/notification';
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import { ActionDialog, ConfirmDialog } from 'vj/components/dialog';
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import Dropdown from 'vj/components/dropdown/Dropdown';
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import createHint from 'vj/components/hint';
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import { downloadProblemSet } from 'vj/components/zipDownloader';
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import pjax from 'vj/utils/pjax';
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import request from 'vj/utils/request';
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import tpl from 'vj/utils/tpl';
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import delay from 'vj/utils/delay';
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import i18n from 'vj/utils/i18n';
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const categories = {};
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const dirtyCategories = [];
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const selections = [];
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const list = [];
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function setDomSelected($dom, selected) {
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if (selected) $dom.addClass('selected');
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else $dom.removeClass('selected');
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}
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async function updateSelection(sendRequest = true) {
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dirtyCategories.forEach(({ type, category, subcategory }) => {
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let item = categories[category];
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const isSelected = item.select || _.some(item.children, (c) => c.select);
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setDomSelected(item.$tag, isSelected);
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if (isSelected) {
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selections.push(category);
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} else {
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_.pull(selections, category);
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}
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if (type === 'subcategory') {
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item = categories[category].children[subcategory];
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setDomSelected(item.$tag, item.select);
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const selectionName = subcategory;
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if (item.select) {
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selections.push(selectionName);
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} else {
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_.pull(selections, selectionName);
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}
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}
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});
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dirtyCategories.length = 0;
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if (sendRequest) {
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// a list of categories which subcategory is selected
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const requestCategoryTags = _.uniq(selections
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.filter((s) => s.indexOf(',') !== -1)
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.map((s) => s.split(',')[0]));
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// drop the category if its subcategory is selected
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const requestTags = _.uniq(_.pullAll(selections, requestCategoryTags));
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let q = $('[name="q"]').val().split(' ').filter((i) => !i.startsWith('category:')).join(' ');
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if (requestTags.length) q = requestTags.map((i) => `category:${i}`).join(' ') + (q ? ` ${q}` : '');
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const url = new URL(window.location.href);
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if (!q) url.searchParams.delete('q');
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else url.searchParams.set('q', q);
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url.searchParams.delete('page');
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pjax.request({ url: url.toString() });
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$('[name="q"]').val(q);
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}
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}
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function buildCategoryFilter() {
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const $container = $('[data-widget-cf-container]');
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if (!$container) return;
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$container.attr('class', 'widget--category-filter row small-up-3 medium-up-2');
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$container.children('li').get().forEach((category) => {
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const $category = $(category)
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.attr('class', 'widget--category-filter__category column');
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const $categoryTag = $category
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.find('.section__title a')
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.remove()
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.attr('class', 'widget--category-filter__category-tag');
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const categoryText = $categoryTag.text();
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const $drop = $category
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.children('.chip-list')
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.remove()
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.attr('class', 'widget--category-filter__drop');
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const treeItem = {
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select: false,
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$tag: $categoryTag,
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children: {},
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};
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categories[categoryText] = treeItem;
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$category.empty().append($categoryTag);
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if ($drop.length > 0) {
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$categoryTag.text(`${$categoryTag.text()}`);
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const $subCategoryTags = $drop
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.children('li')
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.attr('class', 'widget--category-filter__subcategory')
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.find('a')
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.attr('class', 'widget--category-filter__subcategory-tag')
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.attr('data-category', categoryText);
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$subCategoryTags.get().forEach((subCategoryTag) => {
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const $tag = $(subCategoryTag);
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treeItem.children[$tag.text()] = {
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select: false,
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$tag,
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};
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});
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Dropdown.getOrConstruct($categoryTag, {
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target: $drop[0],
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position: 'left center',
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});
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}
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});
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list.push(...Object.keys(categories));
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list.push(..._.flatMap(Object.values(categories), (c) => Object.keys(c.children)));
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$(document).on('click', '.widget--category-filter__category-tag', (ev) => {
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if (ev.shiftKey || ev.metaKey || ev.ctrlKey) return;
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const category = $(ev.currentTarget).text();
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const treeItem = categories[category];
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// the effect should be cancelSelect if it is shown as selected when clicking
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const shouldSelect = treeItem.$tag.hasClass('selected') ? false : !treeItem.select;
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treeItem.select = shouldSelect;
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dirtyCategories.push({ type: 'category', category });
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if (!shouldSelect) {
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// de-select children
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_.forEach(treeItem.children, (treeSubItem, subcategory) => {
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if (treeSubItem.select) {
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treeSubItem.select = false;
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dirtyCategories.push({ type: 'subcategory', subcategory, category });
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}
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});
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}
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updateSelection();
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ev.preventDefault();
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});
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$(document).on('click', '.widget--category-filter__subcategory-tag', (ev) => {
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if (ev.shiftKey || ev.metaKey || ev.ctrlKey) return;
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const subcategory = $(ev.currentTarget).text();
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const category = $(ev.currentTarget).attr('data-category');
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const treeItem = categories[category].children[subcategory];
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treeItem.select = !treeItem.select;
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dirtyCategories.push({ type: 'subcategory', subcategory, category });
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updateSelection();
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ev.preventDefault();
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});
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}
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function parseCategorySelection() {
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UiContext.currentCategory.split(' ').forEach((cline) => {
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const [category, subcategory] = cline.split(',');
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if (!categories[category]) return;
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if (subcategory && !categories[category].children[subcategory]) return;
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if (!subcategory) {
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categories[category].select = true;
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dirtyCategories.push({ type: 'category', category });
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} else {
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categories[category].children[subcategory].select = true;
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dirtyCategories.push({ type: 'subcategory', subcategory, category });
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}
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});
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updateSelection(false);
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}
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function ensureAndGetSelectedPids() {
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const pids = _.map(
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$('tbody [data-checkbox-group="problem"]:checked'),
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(ch) => $(ch).closest('tr').attr('data-pid'),
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);
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if (pids.length === 0) {
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Notification.error(i18n('Please select at least one problem to perform this operation.'));
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return null;
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}
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return pids;
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}
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async function handleOperation(operation) {
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const pids = ensureAndGetSelectedPids();
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if (pids === null) return;
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const payload = {};
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if (operation === 'delete') {
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const action = await new ConfirmDialog({
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$body: tpl.typoMsg(i18n('Confirm to delete the selected problems?')),
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}).open();
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if (action !== 'yes') return;
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} else if (operation === 'copy') {
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const action = await new ActionDialog({
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$body: tpl`
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<div class="typo">
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<label>
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${i18n('Target')}
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<div class="textbox-container">
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<input name="target" type="text" class="textbox" data-autofocus>
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</div>
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</label>
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</div>
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`,
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}).open();
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if (action !== 'ok') return;
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const target = $('[name="target"]').val();
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if (!target) return;
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payload.target = target;
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}
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try {
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await request.post('', { operation, pids, ...payload });
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Notification.success(i18n(`Selected problems have been ${operation === 'copy' ? 'copie' : operation}d.`));
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await delay(2000);
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updateSelection(true);
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} catch (error) {
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Notification.error(error.message);
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}
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}
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function hideTags(target) {
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$(target).find('.problem__tag').get()
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.filter((i) => list.includes(i.children[0].innerHTML))
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.forEach((i) => $(i).addClass('notag--hide'));
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}
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async function handleDownload(ev) {
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let name = 'Export';
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// eslint-disable-next-line no-alert
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if (ev.shiftKey) name = prompt('Filename:', name);
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const pids = ensureAndGetSelectedPids();
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if (pids) await downloadProblemSet(pids, name);
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}
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function processElement(ele) {
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hideTags(ele);
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createHint('Hint::icon::difficulty', $(ele).find('th.col--difficulty'));
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}
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const page = new NamedPage(['problem_main'], () => {
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const doc = document.body;
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doc.className += ' display-mode';
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$('.section.display-mode').removeClass('display-mode');
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buildCategoryFilter();
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parseCategorySelection();
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$(document).on('click', '[name="leave-edit-mode"]', () => {
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doc.className = doc.className.replace(' edit-mode', ' display-mode');
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});
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$(document).on('click', '[name="enter-edit-mode"]', () => {
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doc.className = doc.className.replace(' display-mode', ' edit-mode');
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});
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['delete', 'hide', 'unhide', 'copy'].forEach((op) => {
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$(document).on('click', `[name="${op}_selected_problems"]`, () => handleOperation(op));
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});
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$(document).on('click', '[name="download_selected_problems"]', handleDownload);
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$(document).on('click', '.toggle-tag', () => {
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$('.section__table-container').children(1).toggleClass('hide-problem-tag');
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});
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$('#search').on('click', (ev) => {
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ev.preventDefault();
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updateSelection();
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});
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$('#searchForm').on('submit', updateSelection);
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let update;
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$('#searchForm').find('input').on('input', () => {
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if (update) clearTimeout(update);
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update = setTimeout(updateSelection, 500);
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});
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$(document).on('click', 'a.pager__item', (ev) => {
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ev.preventDefault();
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pjax.request(ev.currentTarget.getAttribute('href')).then(() => window.scrollTo(0, 0));
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});
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$(document).on('vjContentNew', (e) => processElement(e.target));
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processElement(document);
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});
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export default page;
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