589 lines
19 KiB
JavaScript
589 lines
19 KiB
JavaScript
/*************************************************
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* academia
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* https://github.com/gcushen/hugo-academia
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*
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* Core JS functions and initialization.
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**************************************************/
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(function ($) {
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/* ---------------------------------------------------------------------------
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* Responsive scrolling for URL hashes.
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* --------------------------------------------------------------------------- */
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// Dynamically get responsive navigation bar offset.
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let $navbar = $('.navbar');
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let navbar_offset = $navbar.innerHeight();
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/**
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* Responsive hash scrolling.
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* Check for a URL hash as an anchor.
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* If it exists on current page, scroll to it responsively.
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* If `target` argument omitted (e.g. after event), assume it's the window's hash.
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*/
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function scrollToAnchor(target) {
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// If `target` is undefined or HashChangeEvent object, set it to window's hash.
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target = (typeof target === 'undefined' || typeof target === 'object') ? window.location.hash : target;
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// Escape colons from IDs, such as those found in Markdown footnote links.
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target = target.replace(/:/g, '\\:');
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// If target element exists, scroll to it taking into account fixed navigation bar offset.
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if ($(target).length) {
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$('body').addClass('scrolling');
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$('html, body').animate({
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scrollTop: $(target).offset().top - navbar_offset
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}, 600, function () {
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$('body').removeClass('scrolling');
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});
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}
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}
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// Make Scrollspy responsive.
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function fixScrollspy() {
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let $body = $('body');
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let data = $body.data('bs.scrollspy');
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if (data) {
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data._config.offset = navbar_offset;
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$body.data('bs.scrollspy', data);
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$body.scrollspy('refresh');
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}
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}
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function removeQueryParamsFromUrl() {
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if (window.history.pushState) {
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let urlWithoutSearchParams = window.location.protocol + "//" + window.location.host + window.location.pathname + window.location.hash;
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window.history.pushState({
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path: urlWithoutSearchParams
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}, '', urlWithoutSearchParams);
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}
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}
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// Check for hash change event and fix responsive offset for hash links (e.g. Markdown footnotes).
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window.addEventListener("hashchange", scrollToAnchor);
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/* ---------------------------------------------------------------------------
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* Add smooth scrolling to all links inside the main navbar.
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* --------------------------------------------------------------------------- */
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// animation scroll js
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var html_body = $('html, body');
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$('nav a, .page-scroll').on('click', function () { //use page-scroll class in any HTML tag for scrolling
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if (location.pathname.replace(/^\//, '') === this.pathname.replace(/^\//, '') && location.hostname === this.hostname) {
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var target = $(this.hash);
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target = target.length ? target : $('[name="' + this.hash.slice(1) + '"]');
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if (target.length) {
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html_body.animate({
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scrollTop: target.offset().top - navbar_offset
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}, 1500, 'easeInOutExpo');
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return false;
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}
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}
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});
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// easeInOutExpo Declaration
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jQuery.extend(jQuery.easing, {
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easeInOutExpo: function (x, t, b, c, d) {
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if (t === 0) {
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return b;
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}
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if (t === d) {
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return b + c;
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}
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if ((t /= d / 2) < 1) {
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return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
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}
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return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
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}
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});
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/* ---------------------------------------------------------------------------
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* Hide mobile collapsable menu on clicking a link.
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* --------------------------------------------------------------------------- */
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$(document).on('click', '.navbar-collapse.show', function (e) {
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//get the <a> element that was clicked, even if the <span> element that is inside the <a> element is e.target
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let targetElement = $(e.target).is('a') ? $(e.target) : $(e.target).parent();
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if (targetElement.is('a') && targetElement.attr('class') != 'dropdown-toggle') {
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$(this).collapse('hide');
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}
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});
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/* ---------------------------------------------------------------------------
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* Filter publications.
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* --------------------------------------------------------------------------- */
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// Active publication filters.
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let pubFilters = {};
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// Search term.
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let searchRegex;
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// Filter values (concatenated).
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let filterValues;
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// Publication container.
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let $grid_pubs = $('#container-publications');
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// Initialise Isotope.
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$grid_pubs.isotope({
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itemSelector: '.isotope-item',
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percentPosition: true,
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masonry: {
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// Use Bootstrap compatible grid layout.
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columnWidth: '.grid-sizer'
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},
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filter: function () {
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let $this = $(this);
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let searchResults = searchRegex ? $this.text().match(searchRegex) : true;
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let filterResults = filterValues ? $this.is(filterValues) : true;
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return searchResults && filterResults;
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}
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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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$('[id=search-query]').blur();
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$('body').removeClass('searching');
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removeQueryParamsFromUrl();
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} else {
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$('body').addClass('searching');
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$('.search-results').css({
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opacity: 0,
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visibility: 'visible'
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}).animate({
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opacity: 1
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}, 200);
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$('#search-query').focus();
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}
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}
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/* ---------------------------------------------------------------------------
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* Toggle day/night mode.
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* --------------------------------------------------------------------------- */
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function toggleDarkMode(codeHlEnabled, codeHlLight, codeHlDark, diagramEnabled) {
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if ($('body').hasClass('dark')) {
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$('body').css({
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opacity: 0,
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visibility: 'visible'
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}).animate({
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opacity: 1
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}, 500);
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$('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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$('.js-dark-toggle i').removeClass('fa-sun').addClass('fa-moon');
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localStorage.setItem('dark_mode', '0');
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if (diagramEnabled) {
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// TODO: Investigate Mermaid.js approach to re-render diagrams with new theme without reloading.
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location.reload();
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}
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} else {
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$('body').css({
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opacity: 0,
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visibility: 'visible'
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}).animate({
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opacity: 1
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}, 500);
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$('body').addClass('dark');
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if (codeHlEnabled) {
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codeHlLight.disabled = true;
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codeHlDark.disabled = false;
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}
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$('.js-dark-toggle i').removeClass('fa-moon').addClass('fa-sun');
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localStorage.setItem('dark_mode', '1');
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if (diagramEnabled) {
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// TODO: Investigate Mermaid.js approach to re-render diagrams with new theme without reloading.
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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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* 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 $(this).outerHeight()
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}).get());
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items.css('min-height', maxHeight + 'px');
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})
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}
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/* ---------------------------------------------------------------------------
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* On document ready.
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* --------------------------------------------------------------------------- */
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$(document).ready(function () {
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// Fix Hugo's auto-generated Table of Contents.
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// Must be performed prior to initializing ScrollSpy.
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$('#TableOfContents > ul > li > ul').unwrap().unwrap();
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$('#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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// Set dark mode if user chose it.
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let default_mode = 0;
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if ($('body').hasClass('dark')) {
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default_mode = 1;
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}
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let dark_mode = parseInt(localStorage.getItem('dark_mode') || default_mode);
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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 = $('script[title=mermaid]').length > 0;
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if (dark_mode) {
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$('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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mermaid.initialize({
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theme: 'dark'
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});
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}
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$('.js-dark-toggle i').removeClass('fa-moon').addClass('fa-sun');
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} else {
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$('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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mermaid.initialize({
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theme: 'default'
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});
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}
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$('.js-dark-toggle i').removeClass('fa-sun').addClass('fa-moon');
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}
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// Toggle day/night mode.
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$('.js-dark-toggle').click(function (e) {
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e.preventDefault();
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toggleDarkMode(codeHlEnabled, codeHlLight, codeHlDark, diagramEnabled);
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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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$(window).on('load', function () {
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if (window.location.hash) {
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// When accessing homepage from another page and `#top` hash is set, show top of page (no hash).
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if (window.location.hash == "#top") {
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window.location.hash = ""
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} else if (!$('.projects-container').length) {
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// If URL contains a hash and there are no dynamically loaded images on the page,
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// immediately scroll to target ID taking into account responsive offset.
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// Otherwise, wait for `imagesLoaded()` to complete before scrolling to hash to prevent scrolling to wrong
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// location.
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scrollToAnchor();
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}
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}
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// Initialize Scrollspy.
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let $body = $('body');
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$body.scrollspy({
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offset: navbar_offset
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});
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// Call `fixScrollspy` when window is resized.
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let resizeTimer;
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$(window).resize(function () {
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clearTimeout(resizeTimer);
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resizeTimer = setTimeout(fixScrollspy, 200);
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});
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// Filter projects.
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$('.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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},
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filter: $section.find('.default-project-filter').text()
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});
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// Filter items when filter link is clicked.
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$section.find('.project-filters a').click(function () {
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let selector = $(this).attr('data-filter');
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$container.isotope({
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filter: selector
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});
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$(this).removeClass('active').addClass('active').siblings().removeClass('active all');
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return false;
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});
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// If window hash is set, scroll to hash.
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// Placing this within `imagesLoaded` prevents scrolling to the wrong location due to dynamic image loading
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// affecting page layout and position of the target anchor ID.
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// Note: If there are multiple project widgets on a page, ideally only perform this once after images
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// from *all* project widgets have finished loading.
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if (window.location.hash) {
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scrollToAnchor();
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}
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});
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});
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// Enable publication filter for publication index page.
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if ($('.pub-filters-select')) {
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filter_publications();
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// Useful for changing hash manually (e.g. in development):
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// window.addEventListener('hashchange', filter_publications, false);
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}
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// Load citation modal on 'Cite' click.
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$('.js-cite-modal').click(function (e) {
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e.preventDefault();
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let filename = $(this).attr('data-filename');
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let modal = $('#modal');
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modal.find('.modal-body code').load(filename, function (response, status, xhr) {
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if (status == 'error') {
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let msg = "Error: ";
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$('#modal-error').html(msg + xhr.status + " " + xhr.statusText);
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} else {
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$('.js-download-cite').attr('href', filename);
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}
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|
});
|
|
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);
|
|
|
|
})(jQuery); |