mirror of
https://github.com/McShelby/hugo-theme-relearn.git
synced 2024-11-23 15:57:57 +00:00
616 lines
21 KiB
JavaScript
616 lines
21 KiB
JavaScript
// Scrollbar Width function
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function getScrollBarWidth() {
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var inner = document.createElement('p');
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inner.style.width = "100%";
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inner.style.height = "200px";
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var outer = document.createElement('div');
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outer.style.position = "absolute";
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outer.style.top = "0px";
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outer.style.left = "0px";
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outer.style.visibility = "hidden";
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outer.style.width = "200px";
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outer.style.height = "150px";
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outer.style.overflow = "hidden";
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outer.appendChild(inner);
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document.body.appendChild(outer);
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var w1 = inner.offsetWidth;
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outer.style.overflow = 'scroll';
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var w2 = inner.offsetWidth;
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if (w1 == w2) w2 = outer.clientWidth;
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document.body.removeChild(outer);
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return (w1 - w2);
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};
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function setMenuHeight() {
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$('#sidebar .highlightable').height($('#sidebar').innerHeight() - $('#header-wrapper').height() - 40);
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$('#sidebar .highlightable').perfectScrollbar('update');
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}
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function fallbackMessage(action) {
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var actionMsg = '';
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var actionKey = (action === 'cut' ? 'X' : 'C');
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if (/iPhone|iPad/i.test(navigator.userAgent)) {
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actionMsg = 'No support :(';
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}
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else if (/Mac/i.test(navigator.userAgent)) {
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actionMsg = 'Press ⌘-' + actionKey + ' to ' + action;
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}
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else {
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actionMsg = 'Press Ctrl-' + actionKey + ' to ' + action;
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}
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return actionMsg;
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}
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function switchTab(tabGroup, tabId) {
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allTabItems = jQuery("[data-tab-group='"+tabGroup+"']");
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targetTabItems = jQuery("[data-tab-group='"+tabGroup+"'][data-tab-item='"+tabId+"']");
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// if event is undefined then switchTab was called from restoreTabSelection
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// so it's not a button event and we don't need to safe the selction or
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// prevent page jump
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var isButtonEvent = event != undefined;
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if(isButtonEvent){
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// save button position relative to viewport
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var yposButton = event.target.getBoundingClientRect().top;
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}
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allTabItems.removeClass("active");
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targetTabItems.addClass("active");
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if(isButtonEvent){
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// reset screen to the same position relative to clicked button to prevent page jump
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var yposButtonDiff = event.target.getBoundingClientRect().top - yposButton;
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window.scrollTo(window.scrollX, window.scrollY+yposButtonDiff);
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// Store the selection to make it persistent
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if(window.localStorage){
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var selectionsJSON = window.localStorage.getItem("tabSelections");
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if(selectionsJSON){
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var tabSelections = JSON.parse(selectionsJSON);
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}else{
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var tabSelections = {};
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}
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tabSelections[tabGroup] = tabId;
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window.localStorage.setItem("tabSelections", JSON.stringify(tabSelections));
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}
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}
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}
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function restoreTabSelections() {
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if(window.localStorage){
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var selectionsJSON = window.localStorage.getItem("tabSelections");
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if(selectionsJSON){
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var tabSelections = JSON.parse(selectionsJSON);
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}else{
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var tabSelections = {};
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}
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Object.keys(tabSelections).forEach(function(tabGroup) {
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var tabItem = tabSelections[tabGroup];
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switchTab(tabGroup, tabItem);
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});
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}
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}
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function initMermaid() {
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$('code.language-mermaid').each(function(index, element) {
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var content = $(element).html().replace(/&/g, '&');
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$(element).parent().replaceWith('<div class="mermaid" align="center">' + content + '</div>');
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});
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if (typeof mermaid != 'undefined' && typeof mermaid.mermaidAPI != 'undefined') {
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mermaid.mermaidAPI.initialize( Object.assign( {}, mermaid.mermaidAPI.getSiteConfig(), { startOnLoad: true } ) );
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mermaid.contentLoaded();
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$(".mermaid svg").svgPanZoom({});
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}
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}
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function scrollToActiveMenu() {
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window.setTimeout(function(){
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var e = $("#sidebar ul.topics li.active a")[0];
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if( e && e.scrollIntoView ){
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e.scrollIntoView({
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block: 'center',
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});
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}
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}, 200);
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}
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// Get Parameters from some url
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var getUrlParameter = function getUrlParameter(sPageURL) {
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var url = sPageURL.split('?');
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var obj = {};
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if (url.length == 2) {
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var sURLVariables = url[1].split('&'),
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sParameterName,
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i;
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for (i = 0; i < sURLVariables.length; i++) {
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sParameterName = sURLVariables[i].split('=');
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obj[sParameterName[0]] = sParameterName[1];
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}
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}
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return obj;
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};
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// Execute actions on images generated from Markdown pages
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var images = $("main#body-inner img").not(".inline");
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// Wrap image inside a featherlight (to get a full size view in a popup)
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images.wrap(function(){
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var image =$(this);
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var o = getUrlParameter(image[0].src);
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var f = o['featherlight'];
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// IF featherlight is false, do not use feather light
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if (f != 'false') {
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if (!image.parent("a").length) {
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var html = $( "<a>" ).attr("href", image[0].src).attr("data-featherlight", "image").get(0).outerHTML;
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return html;
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}
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}
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});
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// Change styles, depending on parameters set to the image
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images.each(function(index){
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var image = $(this)
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var o = getUrlParameter(image[0].src);
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if (typeof o !== "undefined") {
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var h = o["height"];
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var w = o["width"];
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var c = o["classes"];
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image.css("width", function() {
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if (typeof w !== "undefined") {
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return w;
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} else {
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return "auto";
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}
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});
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image.css("height", function() {
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if (typeof h !== "undefined") {
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return h;
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} else {
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return "auto";
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}
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});
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if (typeof c !== "undefined") {
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var classes = c.split(',');
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for (i = 0; i < classes.length; i++) {
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image.addClass(classes[i]);
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}
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}
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}
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});
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// for the window resize
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$(window).resize(function() {
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setMenuHeight();
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});
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// for the sticky header
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$(window).scroll(function() {
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// add shadow when not in top position
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if ($(this).scrollTop() == 0) {
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$('#top-bar').removeClass("is-sticky");
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}
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else {
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$('#top-bar').addClass("is-sticky");
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}
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});
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// debouncing function from John Hann
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// http://unscriptable.com/index.php/2009/03/20/debouncing-javascript-methods/
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(function($, sr) {
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var debounce = function(func, threshold, execAsap) {
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var timeout;
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return function debounced() {
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var obj = this, args = arguments;
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function delayed() {
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if (!execAsap)
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func.apply(obj, args);
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timeout = null;
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};
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if (timeout)
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clearTimeout(timeout);
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else if (execAsap)
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func.apply(obj, args);
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timeout = setTimeout(delayed, threshold || 100);
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};
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}
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// smartresize
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jQuery.fn[sr] = function(fn) { return fn ? this.bind('resize', debounce(fn)) : this.trigger(sr); };
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})(jQuery, 'smartresize');
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jQuery(function() {
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restoreTabSelections();
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initMermaid();
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scrollToActiveMenu();
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jQuery('#sidebar .category-icon').on('click', function() {
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$( this ).toggleClass("fa-angle-down fa-angle-right") ;
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$( this ).parent().parent().children('ul').toggle() ;
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return false;
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});
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var sidebarStatus = searchStatus = 'open';
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$('#sidebar .highlightable').perfectScrollbar();
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setMenuHeight();
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jQuery('#overlay').on('click', function() {
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jQuery(document.body).toggleClass('sidebar-hidden');
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sidebarStatus = (jQuery(document.body).hasClass('sidebar-hidden') ? 'closed' : 'open');
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return false;
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});
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jQuery('[data-sidebar-toggle]').on('click', function() {
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jQuery(document.body).toggleClass('sidebar-hidden');
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sidebarStatus = (jQuery(document.body).hasClass('sidebar-hidden') ? 'closed' : 'open');
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return false;
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});
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jQuery('[data-clear-history-toggle]').on('click', function() {
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sessionStorage.clear();
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location.reload();
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return false;
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});
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jQuery('[data-search-toggle]').on('click', function() {
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if (sidebarStatus == 'closed') {
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jQuery('[data-sidebar-toggle]').trigger('click');
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jQuery(document.body).removeClass('searchbox-hidden');
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searchStatus = 'open';
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return false;
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}
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jQuery(document.body).toggleClass('searchbox-hidden');
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searchStatus = (jQuery(document.body).hasClass('searchbox-hidden') ? 'closed' : 'open');
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return false;
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});
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var ajax;
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jQuery('[data-search-input]').on('input', function() {
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var input = jQuery(this),
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value = input.val(),
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items = jQuery('[data-nav-id]');
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items.removeClass('search-match');
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if (!value.length) {
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$('ul.topics').removeClass('searched');
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items.css('display', 'block');
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sessionStorage.removeItem('search-value');
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$("mark").parents(".expand-marked").removeClass("expand-marked");
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$(".highlightable").unhighlight({ element: 'mark' })
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return;
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}
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sessionStorage.setItem('search-value', value);
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$("mark").parents(".expand-marked").removeClass("expand-marked");
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$(".highlightable").unhighlight({ element: 'mark' }).highlight(value, { element: 'mark' });
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$("mark").parents(".expand").addClass("expand-marked");
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if (ajax && ajax.abort) ajax.abort();
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jQuery('[data-search-clear]').on('click', function() {
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jQuery('[data-search-input]').val('').trigger('input');
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sessionStorage.removeItem('search-input');
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$("mark").parents(".expand-marked").removeClass("expand-marked");
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$(".highlightable").unhighlight({ element: 'mark' })
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});
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});
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$.expr[":"].contains = $.expr.createPseudo(function(arg) {
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return function( elem ) {
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return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
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};
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});
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if (sessionStorage.getItem('search-value')) {
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var searchValue = sessionStorage.getItem('search-value')
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$(document.body).removeClass('searchbox-hidden');
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$('[data-search-input]').val(searchValue);
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$('[data-search-input]').trigger('input');
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var searchedElem = $('#body-inner').find(':contains(' + searchValue + ')').get(0);
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if (searchedElem) {
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searchedElem.scrollIntoView(true);
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var scrolledY = window.scrollY;
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if(scrolledY){
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window.scroll(0, scrolledY - 125);
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}
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}
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}
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$(".highlightable").highlight(sessionStorage.getItem('search-value'), { element: 'mark' });
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$("mark").parents(".expand").addClass("expand-marked");
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// clipboard
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var clipInit = false;
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$('code').each(function() {
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var code = $(this),
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text = code.text();
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if (text.length > 5) {
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if (!clipInit) {
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var text, clip = new ClipboardJS('.copy-to-clipboard', {
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text: function(trigger) {
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text = $(trigger).prev('code').text();
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return text.replace(/^\$\s/gm, '');
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}
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});
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var inPre;
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clip.on('success', function(e) {
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e.clearSelection();
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inPre = $(e.trigger).parent().prop('tagName') == 'PRE';
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$(e.trigger).attr('aria-label', 'Copied to clipboard!').addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
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});
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clip.on('error', function(e) {
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inPre = $(e.trigger).parent().prop('tagName') == 'PRE';
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$(e.trigger).attr('aria-label', fallbackMessage(e.action)).addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
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$(document).one('copy', function(){
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$(e.trigger).attr('aria-label', 'Copied to clipboard!').addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
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});
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});
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clipInit = true;
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}
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code.addClass('copy-to-clipboard-inline');
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code.after('<span class="copy-to-clipboard" title="Copy to clipboard" />');
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code.next('.copy-to-clipboard').on('mouseleave', function() {
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$(this).attr('aria-label', null).removeClass('tooltipped tooltipped-s tooltipped-w');
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});
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}
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});
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// allow keyboard control for prev/next links
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jQuery(function() {
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jQuery('.nav-prev').click(function(){
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location.href = jQuery(this).attr('href');
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});
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jQuery('.nav-next').click(function() {
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location.href = jQuery(this).attr('href');
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});
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});
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jQuery('input, textarea').keydown(function (e) {
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// left and right arrow keys
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if (e.which == '37' || e.which == '39') {
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e.stopPropagation();
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}
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});
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jQuery(document).keydown(function(e) {
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// prev links - left arrow key
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if(e.which == '37') {
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jQuery('.nav.nav-prev').click();
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}
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// next links - right arrow key
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if(e.which == '39') {
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jQuery('.nav.nav-next').click();
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}
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});
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$('#top-bar a:not(:has(img)):not(.btn)').addClass('highlight');
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$('#body-inner a:not(:has(img)):not(.btn):not(a[rel="footnote"])').addClass('highlight');
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var touchsupport = ('ontouchstart' in window) || (navigator.maxTouchPoints > 0) || (navigator.msMaxTouchPoints > 0)
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if (!touchsupport){ // browser doesn't support touch
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$('#toc-menu').hover(function() {
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$('.progress').stop(true, false, true).fadeToggle(100);
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});
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$('.progress').hover(function() {
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$('.progress').stop(true, false, true).fadeToggle(100);
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});
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}
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if (touchsupport){ // browser does support touch
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$('#toc-menu').click(function() {
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$('.progress').stop(true, false, true).fadeToggle(100);
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});
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$('.progress').click(function() {
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$('.progress').stop(true, false, true).fadeToggle(100);
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});
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}
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/**
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* Fix anchor scrolling that hides behind top nav bar
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* Courtesy of https://stackoverflow.com/a/13067009/28106
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*
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* We could use pure css for this if only heading anchors were
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* involved, but this works for any anchor, including footnotes
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**/
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(function (document, history, location) {
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var HISTORY_SUPPORT = !!(history && history.pushState);
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var anchorScrolls = {
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ANCHOR_REGEX: /^#[^ ]+$/,
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OFFSET_HEIGHT_PX: 50,
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/**
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* Establish events, and fix initial scroll position if a hash is provided.
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*/
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init: function () {
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this.scrollToCurrent();
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$(window).on('hashchange', $.proxy(this, 'scrollToCurrent'));
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$('body').on('click', 'a', $.proxy(this, 'delegateAnchors'));
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},
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/**
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* Return the offset amount to deduct from the normal scroll position.
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* Modify as appropriate to allow for dynamic calculations
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*/
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getFixedOffset: function () {
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return this.OFFSET_HEIGHT_PX;
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},
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/**
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* If the provided href is an anchor which resolves to an element on the
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* page, scroll to it.
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* @param {String} href
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* @return {Boolean} - Was the href an anchor.
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*/
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scrollIfAnchor: function (href, pushToHistory) {
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var match, anchorOffset;
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if (!this.ANCHOR_REGEX.test(href)) {
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return false;
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}
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match = document.getElementById(href.slice(1));
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if (match) {
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anchorOffset = $(match).offset().top - this.getFixedOffset();
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$('html, body').animate({ scrollTop: anchorOffset });
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// Add the state to history as-per normal anchor links
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if (HISTORY_SUPPORT && pushToHistory) {
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history.pushState({}, document.title, location.pathname + href);
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}
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}
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return !!match;
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},
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/**
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* Attempt to scroll to the current location's hash.
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*/
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scrollToCurrent: function (e) {
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if (this.scrollIfAnchor(window.location.hash) && e) {
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e.preventDefault();
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}
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},
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/**
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* If the click event's target was an anchor, fix the scroll position.
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*/
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delegateAnchors: function (e) {
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var elem = e.target;
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if (this.scrollIfAnchor(elem.getAttribute('href'), true)) {
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e.preventDefault();
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}
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}
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};
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$(document).ready($.proxy(anchorScrolls, 'init'));
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})(window.document, window.history, window.location);
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// Add link button for every
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var text, clip = new ClipboardJS('.anchor');
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$("h1~h2,h1~h3,h1~h4,h1~h5,h1~h6").append(function(index, html){
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var element = $(this);
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var url = encodeURI(document.location.origin + document.location.pathname);
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var link = url + "#"+element[0].id;
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var html = " " + $( "<span>" ).addClass("anchor").attr("data-clipboard-text", link).append("<i class='fas fa-link fa-lg'></i>").get(0).outerHTML;
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return html;
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});
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$(".anchor").on('mouseleave', function(e) {
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$(this).attr('aria-label', null).removeClass('tooltipped tooltipped-s tooltipped-w');
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});
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clip.on('success', function(e) {
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e.clearSelection();
|
|
$(e.trigger).attr('aria-label', 'Link copied to clipboard!').addClass('tooltipped tooltipped-s');
|
|
});
|
|
|
|
$('a[rel="lightbox"]').featherlight({
|
|
root: 'div#body'
|
|
});
|
|
|
|
sessionStorage.setItem(jQuery('body').data('url'), 1);
|
|
|
|
// loop through the sessionStorage and see if something should be marked as visited
|
|
for (var url in sessionStorage) {
|
|
if (sessionStorage.getItem(url) == 1){
|
|
// in case we have `relativeURLs=true` we have to strip the
|
|
// relative path to root
|
|
url = url.replace( /\.\.\//g, '/' ).replace( /^\/+\//, '/' );
|
|
jQuery('[data-nav-id="' + url + '"]').addClass('visited');
|
|
}
|
|
}
|
|
});
|
|
|
|
jQuery.extend({
|
|
highlight: function(node, re, nodeName, className) {
|
|
if (node.nodeType === 3 && node.parentElement && node.parentElement.namespaceURI == 'http://www.w3.org/1999/xhtml') { // text nodes
|
|
var match = node.data.match(re);
|
|
if (match) {
|
|
var highlight = document.createElement(nodeName || 'span');
|
|
highlight.className = className || 'highlight';
|
|
var wordNode = node.splitText(match.index);
|
|
wordNode.splitText(match[0].length);
|
|
var wordClone = wordNode.cloneNode(true);
|
|
highlight.appendChild(wordClone);
|
|
wordNode.parentNode.replaceChild(highlight, wordNode);
|
|
return 1; //skip added node in parent
|
|
}
|
|
} else if ((node.nodeType === 1 && node.childNodes) && // only element nodes that have children
|
|
!/(script|style)/i.test(node.tagName) && // ignore script and style nodes
|
|
!(node.tagName === nodeName.toUpperCase() && node.className === className)) { // skip if already highlighted
|
|
for (var i = 0; i < node.childNodes.length; i++) {
|
|
i += jQuery.highlight(node.childNodes[i], re, nodeName, className);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
});
|
|
|
|
jQuery.fn.unhighlight = function(options) {
|
|
var settings = {
|
|
className: 'highlight',
|
|
element: 'span'
|
|
};
|
|
jQuery.extend(settings, options);
|
|
|
|
return this.find(settings.element + "." + settings.className).each(function() {
|
|
var parent = this.parentNode;
|
|
parent.replaceChild(this.firstChild, this);
|
|
parent.normalize();
|
|
}).end();
|
|
};
|
|
|
|
jQuery.fn.highlight = function(words, options) {
|
|
var settings = {
|
|
className: 'highlight',
|
|
element: 'span',
|
|
caseSensitive: false,
|
|
wordsOnly: false
|
|
};
|
|
jQuery.extend(settings, options);
|
|
|
|
if (!words) { return; }
|
|
|
|
if (words.constructor === String) {
|
|
words = [words];
|
|
}
|
|
words = jQuery.grep(words, function(word, i) {
|
|
return word != '';
|
|
});
|
|
words = jQuery.map(words, function(word, i) {
|
|
return word.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
|
|
});
|
|
if (words.length == 0) { return this; }
|
|
;
|
|
|
|
var flag = settings.caseSensitive ? "" : "i";
|
|
var pattern = "(" + words.join("|") + ")";
|
|
if (settings.wordsOnly) {
|
|
pattern = "\\b" + pattern + "\\b";
|
|
}
|
|
var re = new RegExp(pattern, flag);
|
|
|
|
return this.each(function() {
|
|
jQuery.highlight(this, re, settings.element, settings.className);
|
|
});
|
|
};
|