662 lines
22 KiB
JavaScript
662 lines
22 KiB
JavaScript
/*************************************************
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* Academic
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* https://github.com/gcushen/hugo-academic
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*
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* Core JS functions and initialization.
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**************************************************/
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// Filter by search term.
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let $quickSearch = $('.filter-search').keyup(debounce(function () {
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searchRegex = new RegExp($quickSearch.val(), 'gi');
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$grid_pubs.isotope();
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}));
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// Debounce input to prevent spamming filter requests.
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function debounce(fn, threshold) {
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let timeout;
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threshold = threshold || 100;
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return function debounced() {
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clearTimeout(timeout);
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let args = arguments;
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let _this = this;
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function delayed() {
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fn.apply(_this, args);
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}
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timeout = setTimeout(delayed, threshold);
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};
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}
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// Flatten object by concatenating values.
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function concatValues(obj) {
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let value = '';
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for (let prop in obj) {
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value += obj[prop];
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}
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return value;
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}
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$('.pub-filters').on('change', function () {
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let $this = $(this);
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// Get group key.
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let filterGroup = $this[0].getAttribute('data-filter-group');
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// Set filter for group.
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pubFilters[filterGroup] = this.value;
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// Combine filters.
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filterValues = concatValues(pubFilters);
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// Activate filters.
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$grid_pubs.isotope();
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// If filtering by publication type, update the URL hash to enable direct linking to results.
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if (filterGroup == "pubtype") {
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// Set hash URL to current filter.
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let url = $(this).val();
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if (url.substr(0, 9) == '.pubtype-') {
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window.location.hash = url.substr(9);
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} else {
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window.location.hash = '';
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}
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}
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});
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// Filter publications according to hash in URL.
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function filter_publications() {
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let urlHash = window.location.hash.replace('#', '');
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let filterValue = '*';
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// Check if hash is numeric.
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if (urlHash != '' && !isNaN(urlHash)) {
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filterValue = '.pubtype-' + urlHash;
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}
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// Set filter.
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let filterGroup = 'pubtype';
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pubFilters[filterGroup] = filterValue;
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filterValues = concatValues(pubFilters);
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// Activate filters.
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$grid_pubs.isotope();
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// Set selected option.
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$('.pubtype-select').val(filterValue);
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}
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/* ---------------------------------------------------------------------------
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* Google Maps or OpenStreetMap via Leaflet.
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* --------------------------------------------------------------------------- */
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function initMap() {
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if ($('#map').length) {
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let map_provider = $('#map-provider').val();
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let lat = $('#map-lat').val();
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let lng = $('#map-lng').val();
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let zoom = parseInt($('#map-zoom').val());
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let address = $('#map-dir').val();
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let api_key = $('#map-api-key').val();
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if (map_provider == 1) {
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let map = new GMaps({
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div: '#map',
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lat: lat,
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lng: lng,
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zoom: zoom,
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zoomControl: true,
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zoomControlOpt: {
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style: 'SMALL',
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position: 'TOP_LEFT'
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},
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panControl: false,
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streetViewControl: false,
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mapTypeControl: false,
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overviewMapControl: false,
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scrollwheel: true,
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draggable: true
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});
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map.addMarker({
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lat: lat,
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lng: lng,
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click: function (e) {
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let url = 'https://www.google.com/maps/place/' + encodeURIComponent(address) + '/@' + lat + ',' + lng + '/';
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window.open(url, '_blank')
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},
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title: address
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})
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} else {
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let map = new L.map('map').setView([lat, lng], zoom);
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if (map_provider == 3 && api_key.length) {
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L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
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attribution: 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="http://mapbox.com">Mapbox</a>',
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maxZoom: 18,
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id: 'mapbox.streets',
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accessToken: api_key
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}).addTo(map);
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} else {
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L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 19,
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attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
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}).addTo(map);
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}
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let marker = L.marker([lat, lng]).addTo(map);
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let url = lat + ',' + lng + '#map=' + zoom + '/' + lat + '/' + lng + '&layers=N';
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marker.bindPopup(address + '<p><a href="https://www.openstreetmap.org/directions?engine=osrm_car&route=' + url + '">Routing via OpenStreetMap</a></p>');
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}
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}
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}
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/* ---------------------------------------------------------------------------
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* GitHub API.
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* --------------------------------------------------------------------------- */
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function printLatestRelease(selector, repo) {
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$.getJSON('https://api.github.com/repos/' + repo + '/tags').done(function (json) {
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let release = json[0];
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$(selector).append(' ' + release.name);
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}).fail(function (jqxhr, textStatus, error) {
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let err = textStatus + ", " + error;
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console.log("Request Failed: " + err);
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});
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}
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/* ---------------------------------------------------------------------------
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* Toggle search dialog.
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* --------------------------------------------------------------------------- */
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function toggleSearchDialog() {
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if ($('body').hasClass('searching')) {
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// Clear search query and hide search modal.
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$('[id=search-query]').blur();
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$('body').removeClass('searching compensate-for-scrollbar');
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// Remove search query params from URL as user has finished searching.
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removeQueryParamsFromUrl();
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// Prevent fixed positioned elements (e.g. navbar) moving due to scrollbars.
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$('#fancybox-style-noscroll').remove();
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} else {
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// Prevent fixed positioned elements (e.g. navbar) moving due to scrollbars.
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if (!$('#fancybox-style-noscroll').length && document.body.scrollHeight > window.innerHeight) {
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$('head').append(
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'<style id="fancybox-style-noscroll">.compensate-for-scrollbar{margin-right:' +
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(window.innerWidth - document.documentElement.clientWidth) +
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'px;}</style>'
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);
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$('body').addClass('compensate-for-scrollbar');
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}
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// Show search modal.
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$('body').addClass('searching');
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$('.search-results').css({opacity: 0, visibility: 'visible'}).animate({opacity: 1}, 200);
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$('#search-query').focus();
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}
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}
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/* ---------------------------------------------------------------------------
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* Change Theme Mode (0: Day, 1: Night, 2: Auto).
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* --------------------------------------------------------------------------- */
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function canChangeTheme() {
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// If the theme changer component is present, then user is allowed to change the theme variation.
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return $('.js-theme-selector').length;
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}
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function getThemeMode() {
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return parseInt(localStorage.getItem('dark_mode') || 2);
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}
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function changeThemeModeClick(newMode) {
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console.info('Request to set theme.');
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if (!canChangeTheme()) {
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console.info('Cannot set theme - admin disabled theme selector.');
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return;
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}
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let isDarkTheme;
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switch (newMode) {
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case 0:
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localStorage.setItem('dark_mode', '1');
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isDarkTheme = 1;
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console.info('User changed theme variation to Dark.');
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showActiveTheme(0);
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break;
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case 1:
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localStorage.setItem('dark_mode', '2');
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if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
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// The visitor prefers dark themes and switching to the dark variation is allowed by admin.
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isDarkTheme = 1;
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} else if (window.matchMedia('(prefers-color-scheme: light)').matches) {
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// The visitor prefers light themes and switching to the dark variation is allowed by admin.
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isDarkTheme = 0;
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} else {
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isDarkTheme = isSiteThemeDark; // Use the site's default theme variation based on `light` in the theme file.
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}
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console.info('User changed theme variation to Auto.');
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showActiveTheme(1);
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break;
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default:
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localStorage.setItem('dark_mode', '0');
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isDarkTheme = 0;
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console.info('User changed theme variation to Light.');
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showActiveTheme(2);
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break;
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}
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renderThemeVariation(isDarkTheme);
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}
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function showActiveTheme(mode){
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switch (mode) {
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case 0:
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// Dark.
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$('.js-set-theme-light').removeClass('dropdown-item-active');
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$('.js-set-theme-dark').addClass('dropdown-item-active');
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$('.js-set-theme-auto').removeClass('dropdown-item-active');
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break;
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case 1:
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// Auto.
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$('.js-set-theme-light').removeClass('dropdown-item-active');
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$('.js-set-theme-dark').removeClass('dropdown-item-active');
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$('.js-set-theme-auto').addClass('dropdown-item-active');
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break;
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default:
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// Light.
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$('.js-set-theme-light').addClass('dropdown-item-active');
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$('.js-set-theme-dark').removeClass('dropdown-item-active');
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$('.js-set-theme-auto').removeClass('dropdown-item-active');
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break;
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}
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}
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function getThemeVariation() {
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if (!canChangeTheme()) {
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return isSiteThemeDark; // Use the site's default theme variation based on `light` in the theme file.
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}
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let currentThemeMode = getThemeMode();
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let isDarkTheme;
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switch (currentThemeMode) {
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case 0:
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isDarkTheme = 0;
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break;
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case 1:
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isDarkTheme = 1;
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break;
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default:
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if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
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// The visitor prefers dark themes and switching to the dark variation is allowed by admin.
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isDarkTheme = 1;
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} else if (window.matchMedia('(prefers-color-scheme: light)').matches) {
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// The visitor prefers light themes and switching to the dark variation is allowed by admin.
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isDarkTheme = 0;
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} else {
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isDarkTheme = isSiteThemeDark; // Use the site's default theme variation based on `light` in the theme file.
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}
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break;
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}
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return isDarkTheme;
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}
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/**
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* Render theme variation (day or night).
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*
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* @param {int} isDarkTheme - TODO: convert to boolean.
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* @param {boolean} init
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* @returns {undefined}
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*/
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function renderThemeVariation(isDarkTheme, init = false) {
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// Is code highlighting enabled in site config?
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const codeHlEnabled = $('link[title=hl-light]').length > 0;
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const codeHlLight = $('link[title=hl-light]')[0];
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const codeHlDark = $('link[title=hl-dark]')[0];
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const diagramEnabled = $('script[title=mermaid]').length > 0;
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// Check if re-render required.
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if (!init) {
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// If request to render light when light variation already rendered, return.
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// If request to render dark when dark variation already rendered, return.
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if ((isDarkTheme === 0 && !$('body').hasClass('dark')) || (isDarkTheme === 1 && $('body').hasClass('dark'))) {
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return;
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}
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}
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if (isDarkTheme === 0) {
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if (!init) {
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// Only fade in the page when changing the theme variation.
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$('body').css({opacity: 0, visibility: 'visible'}).animate({opacity: 1}, 500);
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}
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$('body').removeClass('dark');
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if (codeHlEnabled) {
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codeHlLight.disabled = false;
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codeHlDark.disabled = true;
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}
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if (diagramEnabled) {
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if (init) {
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mermaid.initialize({theme: 'default', securityLevel: 'loose'});
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} else {
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// Have to reload to re-initialise Mermaid with the new theme and re-parse the Mermaid code blocks.
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location.reload();
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}
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}
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} else if (isDarkTheme === 1) {
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if (!init) {
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// Only fade in the page when changing the theme variation.
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$('body').css({opacity: 0, visibility: 'visible'}).animate({opacity: 1}, 500);
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}
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$('body').addClass('dark');
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if (codeHlEnabled) {
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codeHlLight.disabled = true;
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codeHlDark.disabled = false;
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}
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if (diagramEnabled) {
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if (init) {
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mermaid.initialize({theme: 'dark', securityLevel: 'loose'});
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} else {
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// Have to reload to re-initialise Mermaid with the new theme and re-parse the Mermaid code blocks.
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location.reload();
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}
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}
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}
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}
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function initThemeVariation() {
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// If theme changer component present, set its icon according to the theme mode (day, night, or auto).
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if (canChangeTheme) {
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let themeMode = getThemeMode();
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switch (themeMode) {
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case 0:
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showActiveTheme(2);
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console.info('Initialize theme variation to Light.');
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break;
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case 1:
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showActiveTheme(0);
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console.info('Initialize theme variation to Dark.');
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break;
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default:
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showActiveTheme(1);
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console.info('Initialize theme variation to Auto.');
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break;
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}
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}
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// Render the day or night theme.
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let isDarkTheme = getThemeVariation();
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renderThemeVariation(isDarkTheme, true);
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}
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/* ---------------------------------------------------------------------------
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* Normalize Bootstrap Carousel Slide Heights.
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* --------------------------------------------------------------------------- */
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function normalizeCarouselSlideHeights() {
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$('.carousel').each(function () {
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// Get carousel slides.
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let items = $('.carousel-item', this);
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// Reset all slide heights.
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items.css('min-height', 0);
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// Normalize all slide heights.
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let maxHeight = Math.max.apply(null, items.map(function () {
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return $(this).outerHeight()
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}).get());
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items.css('min-height', maxHeight + 'px');
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})
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}
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/* ---------------------------------------------------------------------------
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* Fix Hugo's Goldmark output and Mermaid code blocks.
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* --------------------------------------------------------------------------- */
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/**
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* Fix Hugo's Goldmark output.
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*/
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function fixHugoOutput() {
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// Fix Goldmark table of contents.
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// - Must be performed prior to initializing ScrollSpy.
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$('#TableOfContents').addClass('nav flex-column');
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$('#TableOfContents li').addClass('nav-item');
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$('#TableOfContents li a').addClass('nav-link');
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// Fix Goldmark task lists (remove bullet points).
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$("input[type='checkbox'][disabled]").parents('ul').addClass('task-list');
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}
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/**
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* Fix Mermaid.js clash with Highlight.js.
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* Refactor Mermaid code blocks as divs to prevent Highlight parsing them and enable Mermaid to parse them.
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*/
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function fixMermaid() {
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let mermaids = [];
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[].push.apply(mermaids, document.getElementsByClassName('language-mermaid'));
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for (let i = 0; i < mermaids.length; i++) {
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$(mermaids[i]).unwrap('pre'); // Remove <pre> wrapper.
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$(mermaids[i]).replaceWith(function () {
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// Convert <code> block to <div> and add `mermaid` class so that Mermaid will parse it.
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return $("<div />").append($(this).contents()).addClass('mermaid');
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});
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}
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}
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/* ---------------------------------------------------------------------------
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* On document ready.
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* --------------------------------------------------------------------------- */
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$(document).ready(function () {
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fixHugoOutput();
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fixMermaid();
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// Initialise code highlighting if enabled for this page.
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// Note: this block should be processed after the Mermaid code-->div conversion.
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if (code_highlighting) {
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hljs.initHighlighting();
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}
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// Initialize theme variation.
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initThemeVariation();
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// Change theme mode.
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$('.js-set-theme-light').click(function (e) {
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e.preventDefault();
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changeThemeModeClick(2);
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});
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$('.js-set-theme-dark').click(function (e) {
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e.preventDefault();
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changeThemeModeClick(0);
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});
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$('.js-set-theme-auto').click(function (e) {
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e.preventDefault();
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changeThemeModeClick(1);
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});
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// Live update of day/night mode on system preferences update (no refresh required).
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// Note: since we listen only for *dark* events, we won't detect other scheme changes such as light to no-preference.
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const darkModeMediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
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darkModeMediaQuery.addListener((e) => {
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if (!canChangeTheme()) {
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// Changing theme variation is not allowed by admin.
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return;
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}
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const darkModeOn = e.matches;
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console.log(`OS dark mode preference changed to ${darkModeOn ? '🌒 on' : '☀️ off'}.`);
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let currentThemeVariation = parseInt(localStorage.getItem('dark_mode') || 2);
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let isDarkTheme;
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if (currentThemeVariation === 2) {
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if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
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// The visitor prefers dark themes.
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isDarkTheme = 1;
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} else if (window.matchMedia('(prefers-color-scheme: light)').matches) {
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// The visitor prefers light themes.
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isDarkTheme = 0;
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} else {
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// The visitor does not have a day or night preference, so use the theme's default setting.
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isDarkTheme = isSiteThemeDark;
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}
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renderThemeVariation(isDarkTheme);
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}
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});
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});
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/* ---------------------------------------------------------------------------
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* On window loaded.
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* --------------------------------------------------------------------------- */
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$(window).on('load', function () {
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// Filter projects.
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$('.projects-container').each(function (index, container) {
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let $container = $(container);
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let $section = $container.closest('section');
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let layout;
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if ($section.find('.isotope').hasClass('js-layout-row')) {
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layout = 'fitRows';
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} else {
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layout = 'masonry';
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}
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$container.imagesLoaded(function () {
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// Initialize Isotope after all images have loaded.
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$container.isotope({
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itemSelector: '.isotope-item',
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layoutMode: layout,
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masonry: {
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gutter: 20
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},
|
|
filter: $section.find('.default-project-filter').text()
|
|
});
|
|
|
|
// Filter items when filter link is clicked.
|
|
$section.find('.project-filters a').click(function () {
|
|
let selector = $(this).attr('data-filter');
|
|
$container.isotope({filter: selector});
|
|
$(this).removeClass('active').addClass('active').siblings().removeClass('active all');
|
|
return false;
|
|
});
|
|
|
|
// If window hash is set, scroll to hash.
|
|
// Placing this within `imagesLoaded` prevents scrolling to the wrong location due to dynamic image loading
|
|
// affecting page layout and position of the target anchor ID.
|
|
// Note: If there are multiple project widgets on a page, ideally only perform this once after images
|
|
// from *all* project widgets have finished loading.
|
|
if (window.location.hash) {
|
|
scrollToAnchor();
|
|
}
|
|
});
|
|
});
|
|
|
|
// Enable publication filter for publication index page.
|
|
if ($('.pub-filters-select')) {
|
|
filter_publications();
|
|
// Useful for changing hash manually (e.g. in development):
|
|
// window.addEventListener('hashchange', filter_publications, false);
|
|
}
|
|
|
|
// Scroll to top of page.
|
|
$('.back-to-top').click(function (event) {
|
|
event.preventDefault();
|
|
$('html, body').animate({
|
|
'scrollTop': 0
|
|
}, 800, function () {
|
|
window.location.hash = "";
|
|
});
|
|
});
|
|
|
|
// Load citation modal on 'Cite' click.
|
|
$('.js-cite-modal').click(function (e) {
|
|
e.preventDefault();
|
|
let filename = $(this).attr('data-filename');
|
|
let modal = $('#modal');
|
|
modal.find('.modal-body code').load(filename, function (response, status, xhr) {
|
|
if (status == 'error') {
|
|
let msg = "Error: ";
|
|
$('#modal-error').html(msg + xhr.status + " " + xhr.statusText);
|
|
} else {
|
|
$('.js-download-cite').attr('href', filename);
|
|
}
|
|
});
|
|
modal.modal('show');
|
|
});
|
|
|
|
// Copy citation text on 'Copy' click.
|
|
$('.js-copy-cite').click(function (e) {
|
|
e.preventDefault();
|
|
// Get selection.
|
|
let range = document.createRange();
|
|
let code_node = document.querySelector('#modal .modal-body');
|
|
range.selectNode(code_node);
|
|
window.getSelection().addRange(range);
|
|
try {
|
|
// Execute the copy command.
|
|
document.execCommand('copy');
|
|
} catch (e) {
|
|
console.log('Error: citation copy failed.');
|
|
}
|
|
// Remove selection.
|
|
window.getSelection().removeRange(range);
|
|
});
|
|
|
|
// Initialise Google Maps if necessary.
|
|
initMap();
|
|
|
|
// Print latest version of GitHub projects.
|
|
let githubReleaseSelector = '.js-github-release';
|
|
if ($(githubReleaseSelector).length > 0)
|
|
printLatestRelease(githubReleaseSelector, $(githubReleaseSelector).data('repo'));
|
|
|
|
// On search icon click toggle search dialog.
|
|
$('.js-search').click(function (e) {
|
|
e.preventDefault();
|
|
toggleSearchDialog();
|
|
});
|
|
$(document).on('keydown', function (e) {
|
|
if (e.which == 27) {
|
|
// `Esc` key pressed.
|
|
if ($('body').hasClass('searching')) {
|
|
toggleSearchDialog();
|
|
}
|
|
} else if (e.which == 191 && e.shiftKey == false && !$('input,textarea').is(':focus')) {
|
|
// `/` key pressed outside of text input.
|
|
e.preventDefault();
|
|
toggleSearchDialog();
|
|
}
|
|
});
|
|
|
|
});
|
|
|
|
// Normalize Bootstrap carousel slide heights.
|
|
$(window).on('load resize orientationchange', normalizeCarouselSlideHeights);
|
|
|
|
// Automatic main menu dropdowns on mouse over.
|
|
$('body').on('mouseenter mouseleave', '.dropdown', function (e) {
|
|
var dropdown = $(e.target).closest('.dropdown');
|
|
var menu = $('.dropdown-menu', dropdown);
|
|
dropdown.addClass('show');
|
|
menu.addClass('show');
|
|
setTimeout(function () {
|
|
dropdown[dropdown.is(':hover') ? 'addClass' : 'removeClass']('show');
|
|
menu[dropdown.is(':hover') ? 'addClass' : 'removeClass']('show');
|
|
}, 300);
|
|
|
|
// Re-initialize Scrollspy with dynamic navbar height offset.
|
|
fixScrollspy();
|
|
|
|
if (window.location.hash) {
|
|
// When accessing homepage from another page and `#top` hash is set, show top of page (no hash).
|
|
if (window.location.hash == "#top") {
|
|
window.location.hash = ""
|
|
} else if (!$('.projects-container').length) {
|
|
// If URL contains a hash and there are no dynamically loaded images on the page,
|
|
// immediately scroll to target ID taking into account responsive offset.
|
|
// Otherwise, wait for `imagesLoaded()` to complete before scrolling to hash to prevent scrolling to wrong
|
|
// location.
|
|
scrollToAnchor();
|
|
}
|
|
}
|
|
|
|
// Call `fixScrollspy` when window is resized.
|
|
let resizeTimer;
|
|
$(window).resize(function () {
|
|
clearTimeout(resizeTimer);
|
|
resizeTimer = setTimeout(fixScrollspy, 200);
|
|
});
|
|
});
|
|
|
|
})(jQuery);
|