385 lines
12 KiB
JavaScript
385 lines
12 KiB
JavaScript
// IE 8
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if (!Array.prototype.indexOf) {
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Array.prototype.indexOf = function (obj) {
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for (var i = 0; i < this.length; i++) {
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if (this[i] == obj) {
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return i;
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}
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}
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return -1;
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}
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}
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if (!String.prototype.startsWith) {
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String.prototype.startsWith = function (searchString, position) {
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return this.substr(position || 0, searchString.length) === searchString;
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};
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}
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if (!String.prototype.endsWith) {
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String.prototype.endsWith = function (searchString, position) {
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var subjectString = this.toString();
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if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) {
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position = subjectString.length;
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}
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position -= searchString.length;
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var lastIndex = subjectString.lastIndexOf(searchString, position);
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return lastIndex !== -1 && lastIndex === position;
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};
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}
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// http://stackoverflow.com/a/1060034/1090657
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$(function () {
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var hidden = 'hidden';
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// Standards:
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if (hidden in document)
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document.addEventListener('visibilitychange', onchange);
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else if ((hidden = 'mozHidden') in document)
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document.addEventListener('mozvisibilitychange', onchange);
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else if ((hidden = 'webkitHidden') in document)
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document.addEventListener('webkitvisibilitychange', onchange);
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else if ((hidden = 'msHidden') in document)
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document.addEventListener('msvisibilitychange', onchange);
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// IE 9 and lower:
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else if ('onfocusin' in document)
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document.onfocusin = document.onfocusout = onchange;
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// All others:
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else
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window.onpageshow = window.onpagehide
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= window.onfocus = window.onblur = onchange;
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function onchange(evt) {
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var v = 'window-visible', h = 'window-hidden', evtMap = {
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focus: v, focusin: v, pageshow: v, blur: h, focusout: h, pagehide: h
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};
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evt = evt || window.event;
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if (evt.type in evtMap)
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document.body.className = evtMap[evt.type];
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else
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document.body.className = this[hidden] ? 'window-hidden' : 'window-visible';
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if ('$' in window)
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$(window).trigger('dmoj:' + document.body.className);
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}
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// set the initial state (but only if browser supports the Page Visibility API)
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if (document[hidden] !== undefined)
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onchange({type: document[hidden] ? 'blur' : 'focus'});
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});
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function register_toggle(link) {
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link.click(function () {
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var toggled = link.next('.toggled');
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if (toggled.is(':visible')) {
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toggled.hide(400);
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link.removeClass('open');
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link.addClass('closed');
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} else {
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toggled.show(400);
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link.addClass('open');
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link.removeClass('closed');
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}
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});
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}
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$(function register_all_toggles() {
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$('.toggle').each(function () {
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register_toggle($(this));
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});
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});
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function featureTest(property, value, noPrefixes) {
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var prop = property + ':',
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el = document.createElement('test'),
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mStyle = el.style;
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if (!noPrefixes) {
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mStyle.cssText = prop + ['-webkit-', '-moz-', '-ms-', '-o-', ''].join(value + ';' + prop) + value + ';';
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} else {
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mStyle.cssText = prop + value;
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}
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return !!mStyle[property];
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}
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window.fix_div = function (div, height) {
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var div_offset = div.offset().top - $('html').offset().top;
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var is_moving;
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var moving = function () {
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div.css('position', 'absolute').css('top', div_offset);
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is_moving = true;
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};
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var fix = function () {
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div.css('position', 'fixed').css('top', height);
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is_moving = false;
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};
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($(window).scrollTop() - div_offset > -height) ? fix() : moving();
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$(window).scroll(function () {
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if (($(window).scrollTop() - div_offset > -height) == is_moving)
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is_moving ? fix() : moving();
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});
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};
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$(function () {
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if (typeof window.orientation !== 'undefined') {
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$(window).resize(function () {
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var width = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
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// $('#viewport').attr('content', width > 480 ? 'initial-scale=1' : 'width=480');
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});
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}
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var $nav_list = $('#nav-list');
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$('#navicon').click(function (event) {
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event.stopPropagation();
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$nav_list.toggle();
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if ($nav_list.is(':hidden'))
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$(this).blur().removeClass('hover');
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else {
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$(this).addClass('hover');
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$nav_list.find('li ul').css('left', $('#nav-list').width()).hide();
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}
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}).hover(function () {
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$(this).addClass('hover');
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}, function () {
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$(this).removeClass('hover');
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});
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$nav_list.find('li a .nav-expand').click(function (event) {
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event.preventDefault();
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$(this).parent().siblings('ul').css('display', 'block');
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});
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$nav_list.find('li a').each(function () {
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if (!$(this).siblings('ul').length)
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return;
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$(this).on('contextmenu', function (event) {
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event.preventDefault();
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}).on('taphold', function () {
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$(this).siblings('ul').css('display', 'block');
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});
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});
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$nav_list.click(function (event) {
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event.stopPropagation();
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});
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$('html').click(function () {
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$nav_list.hide();
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});
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$.ajaxSetup({
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beforeSend: function (xhr, settings) {
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if (!(/^(GET|HEAD|OPTIONS|TRACE)$/.test(settings.type)) && !this.crossDomain)
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xhr.setRequestHeader('X-CSRFToken', $.cookie('csrftoken'));
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}
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});
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});
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if (!Date.now) {
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Date.now = function () {
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return new Date().getTime();
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};
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}
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function count_down(label) {
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var end_time = new Date(label.attr('data-secs'));
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function format(num) {
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var s = "0" + num;
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return s.substr(s.length - 2);
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}
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var timer = setInterval(function () {
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var time = Math.round((end_time - Date.now()) / 1000);
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if (time <= 0) {
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clearInterval(timer);
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setTimeout(function() {
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window.location.reload();
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}, 2000);
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}
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var d = Math.floor(time / 86400);
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var h = Math.floor(time % 86400 / 3600);
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var m = Math.floor(time % 3600 / 60);
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var s = time % 60;
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if (d > 0)
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label.text(npgettext('time format with day', '%d day %h:%m:%s', '%d days %h:%m:%s', d)
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.replace('%d', d).replace('%h', format(h)).replace('%m', format(m)).replace('%s', format(s)));
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else
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label.text(pgettext('time format without day', '%h:%m:%s')
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.replace('%h', format(h)).replace('%m', format(m)).replace('%s', format(s)));
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}, 1000);
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}
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function register_time(elems, limit) { // in hours
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if ('limit_time' in window) limit = window.limit_time;
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else limit = limit || 300 * 24;
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elems.each(function () {
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var outdated = false;
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var $this = $(this);
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var time = moment($this.attr('data-iso'));
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var rel_format = $this.attr('data-format');
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var abs = $this.text();
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function update() {
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if ($('body').hasClass('window-hidden'))
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return outdated = true;
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outdated = false;
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if (moment().diff(time, 'hours') > limit) {
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$this.text(abs);
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return;
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}
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$this.text(rel_format.replace('{time}', time.fromNow()));
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setTimeout(update, 10000);
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}
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$(window).on('dmoj:window-visible', function () {
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if (outdated)
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update();
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});
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update();
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});
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}
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$(function () {
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register_time($('.time-with-rel'));
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$('form').submit(function (evt) {
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// Prevent multiple submissions of forms, see #565
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$("input[type='submit']").prop('disabled', true);
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});
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});
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window.notification_template = {
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icon: '/logo.png'
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};
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window.notification_timeout = 5000;
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window.notify = function (type, title, data, timeout) {
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if (localStorage[type + '_notification'] != 'true') return;
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var template = window[type + '_notification_template'] || window.notification_template;
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var data = (typeof data !== 'undefined' ? $.extend({}, template, data) : template);
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var object = new Notification(title, data);
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if (typeof timeout === 'undefined')
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timeout = window.notification_timeout;
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if (timeout)
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setTimeout(function () {
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object.close();
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}, timeout);
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return object;
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};
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window.register_notify = function (type, options) {
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if (typeof options === 'undefined')
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options = {};
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function status_change() {
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if ('change' in options)
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options.change(localStorage[key] == 'true');
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}
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var key = type + '_notification';
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if ('Notification' in window) {
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if (!(key in localStorage) || Notification.permission !== 'granted')
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localStorage[key] = 'false';
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if ('$checkbox' in options) {
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options.$checkbox.change(function () {
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var status = $(this).is(':checked');
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if (status) {
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if (Notification.permission === 'granted') {
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localStorage[key] = 'true';
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notify(type, 'Notification enabled!');
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status_change();
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} else
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Notification.requestPermission(function (permission) {
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if (permission === 'granted') {
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localStorage[key] = 'true';
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notify(type, 'Notification enabled!');
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} else localStorage[key] = 'false';
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status_change();
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});
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} else {
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localStorage[key] = 'false';
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status_change();
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}
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}).prop('checked', localStorage[key] == 'true');
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}
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$(window).on('storage', function (e) {
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e = e.originalEvent;
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if (e.key === key) {
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if ('$checkbox' in options)
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options.$checkbox.prop('checked', e.newValue == 'true');
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status_change();
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}
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});
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} else {
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if ('$checkbox' in options) options.$checkbox.hide();
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localStorage[key] = 'false';
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}
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status_change();
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};
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window.notify_clarification = function(msg) {
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var message = `Problem ${msg.order} (${msg.problem__name}):\n` + msg.description;
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alert(message);
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}
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window.register_contest_notification = function(url) {
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function get_clarifications() {
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$.get(url)
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.fail(function() {
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console.log("Fail to update clarification");
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})
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.done(function(data) {
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try {
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JSON.parse(data);
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}
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catch (e) {
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return;
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}
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for (i of data) {
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window.notify_clarification(i);
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}
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if (data.status == 403) {
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console.log("Fail to retrieve data");
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}
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})
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}
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get_clarifications();
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setInterval(get_clarifications, 60 * 1000);
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}
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$(function () {
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// Close dismissable boxes
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$("a.close").click(function () {
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var $closer = $(this);
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$closer.parent().fadeOut(200);
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});
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});
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$.fn.textWidth = function () {
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var html_org = $(this).html();
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var html_calc = '<span style="white-space: nowrap;">' + html_org + '</span>';
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$(this).html(html_calc);
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var width = $(this).find('span:first').width();
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$(this).html(html_org);
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return width;
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};
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$(function () {
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$('.tabs').each(function () {
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var $this = $(this), $h2 = $(this).find('h2'), $ul = $(this).find('ul');
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var cutoff = ($h2.textWidth() || 400) + 20, handler;
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$ul.children().each(function () {
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cutoff += $(this).width();
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});
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$(window).resize(handler = function () {
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$this.toggleClass('tabs-no-flex', $this.width() < cutoff);
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});
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handler();
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});
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});
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