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226 lines
5.8 KiB
JavaScript
226 lines
5.8 KiB
JavaScript
import Tether from 'tether';
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import { NamedPage } from 'vj/misc/PageLoader';
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import Navigation from 'vj/components/navigation';
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import loadReactRedux from 'vj/utils/loadReactRedux';
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import delay from 'vj/utils/delay';
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class ProblemPageExtender {
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constructor() {
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this.isExtended = false;
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this.inProgress = false;
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this.$content = $('.problem-content-container');
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this.$contentBound = this.$content.closest('.section');
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this.$scratchpadContainer = $('.scratchpad-container');
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}
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async extend() {
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if (this.inProgress) return;
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if (this.isExtended) return;
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this.inProgress = true;
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const bound = this.$contentBound
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.get(0)
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.getBoundingClientRect();
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this.$content.transition({ opacity: 0 }, { duration: 100 });
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await delay(100);
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Navigation.instance.floating.set('scratchpad', true);
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Navigation.instance.logoVisible.set('scratchpad', true);
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Navigation.instance.expanded.set('scratchpad', true);
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$('body').addClass('header--collapsed mode--scratchpad');
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await this.$scratchpadContainer
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.css({
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left: bound.left,
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top: bound.top,
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width: bound.width,
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height: bound.height,
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})
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.show()
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.transition({
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left: 0,
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top: 0,
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width: '100%',
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height: '100%',
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}, {
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duration: 500,
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easing: 'easeOutCubic',
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})
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.promise();
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$('.main > .row').hide();
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$('.footer').hide();
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$(window).scrollTop(0);
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this.inProgress = false;
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this.isExtended = true;
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}
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async collapse() {
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if (this.inProgress) return;
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if (!this.isExtended) return;
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this.inProgress = true;
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$(window).scrollTop(0);
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$('.main > .row').show();
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$('.footer').show();
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const bound = this.$contentBound
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.get(0)
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.getBoundingClientRect();
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Navigation.instance.floating.set('scratchpad', false);
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Navigation.instance.logoVisible.set('scratchpad', false);
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Navigation.instance.expanded.set('scratchpad', false);
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$('body').removeClass('header--collapsed mode--scratchpad');
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await this.$scratchpadContainer
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.transition({
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left: bound.left,
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top: bound.top,
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width: bound.width,
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height: bound.height,
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}, {
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duration: 500,
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easing: 'easeOutCubic',
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})
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.promise();
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this.$scratchpadContainer.hide();
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this.$content.transition({ opacity: 1 }, { duration: 100 });
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this.inProgress = false;
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this.isExtended = false;
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}
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toggle() {
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if (this.isExtended) this.collapse();
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else this.extend();
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}
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}
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const page = new NamedPage(['problem_detail', 'contest_detail_problem', 'homework_detail_problem'], () => {
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let reactLoaded = false;
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let $floatingSidebar = null;
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let renderReact = null;
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let unmountReact = null;
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const extender = new ProblemPageExtender();
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async function scratchpadFadeIn() {
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await $('#scratchpad')
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.transition({
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opacity: 1,
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}, {
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duration: 200,
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easing: 'easeOutCubic',
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})
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.promise();
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}
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async function scratchpadFadeOut() {
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await $('#scratchpad')
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.transition({
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opacity: 0,
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}, {
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duration: 200,
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easing: 'easeOutCubic',
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})
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.promise();
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}
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function updateFloatingSidebar() {
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$floatingSidebar.tether.position();
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}
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async function createSidebar() {
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$floatingSidebar = $('.section--problem-sidebar')
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.clone()
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.addClass('scratchpad__sidebar visible')
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.appendTo('body');
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$floatingSidebar.find('a').attr('target', '_blank');
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$floatingSidebar.tether = new Tether({
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element: $floatingSidebar,
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offset: '-20px 20px',
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target: '.scratchpad__problem',
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attachment: 'top right',
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targetAttachment: 'top right',
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});
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await delay(100);
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$floatingSidebar.tether.position();
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}
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async function removeSidebar() {
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$floatingSidebar.tether.destroy();
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$floatingSidebar.remove();
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$floatingSidebar = null;
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}
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async function loadReact() {
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if (reactLoaded) return;
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$('.loader-container').show();
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const { default: SockJs } = await import('sockjs-client');
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const { default: ScratchpadApp } = await import('../components/scratchpad');
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const { default: ScratchpadReducer } = await import('../components/scratchpad/reducers');
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const {
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React, render, unmountComponentAtNode, Provider, store,
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} = await loadReactRedux(ScratchpadReducer);
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const sock = new SockJs(Context.socketUrl);
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sock.onmessage = (message) => {
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const msg = JSON.parse(message.data);
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store.dispatch({
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type: 'SCRATCHPAD_RECORDS_PUSH',
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payload: msg,
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});
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};
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renderReact = () => {
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render(
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<Provider store={store}>
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<ScratchpadApp />
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</Provider>,
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$('#scratchpad').get(0),
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);
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};
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unmountReact = () => {
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unmountComponentAtNode($('#scratchpad').get(0));
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};
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reactLoaded = true;
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$('.loader-container').hide();
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}
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async function enterScratchpadMode() {
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await extender.extend();
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await loadReact();
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renderReact();
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await scratchpadFadeIn();
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await createSidebar();
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}
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async function leaveScratchpadMode() {
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await removeSidebar();
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await scratchpadFadeOut();
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$('.problem-content-container').append($('.problem-content'));
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await extender.collapse();
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unmountReact();
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}
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$(document).on('vjScratchpadRelayout', updateFloatingSidebar);
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$(document).on('click', '[name="problem-sidebar__open-scratchpad"]', (ev) => {
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enterScratchpadMode();
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ev.preventDefault();
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});
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$(document).on('click', '[name="problem-sidebar__quit-scratchpad"]', (ev) => {
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leaveScratchpadMode();
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ev.preventDefault();
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});
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$(document).on('click', '[name="problem-sidebar__show-category"]', (ev) => {
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$(ev.currentTarget).hide();
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$('[name="problem-sidebar__categories"]').show();
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});
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});
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export default page;
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