219 lines
7.3 KiB
JavaScript
219 lines
7.3 KiB
JavaScript
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function navClicked(sourceLink) {
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let el = document.getElementById("#item"+sourceLink)
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if (el) {
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el.classList.toggle("in")
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}
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}
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let outputLetNav = [], totalTopics = 0;
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function pageIsInSection(tree) {
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function processBranch(branch) {
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for (let k = 0; k < branch.length; k++) {
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if (branch[k].section) {
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processBranch(branch[k].section);
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} else {
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if (branch[k].path === pageURL && !branch[k].nosync) {
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found = true;
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break;
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}
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}
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}
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}
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let found = false;
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processBranch(tree);
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return found;
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}
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function walkTree(tree) {
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for (const page of tree) {
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totalTopics++;
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if (page.section) {
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let sectionHasPath = pageIsInSection(page.section);
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outputLetNav.push('<li><a onclick="navClicked(' + totalTopics + ')" data-target="#item' + totalTopics + '" data-toggle="collapse" data-parent="#stacked-menu"')
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if (sectionHasPath) {
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outputLetNav.push('aria-expanded="true"')
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} else {
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outputLetNav.push('class="collapsed" aria-expanded="false"')
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}
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outputLetNav.push(">" + page.sectiontitle + '<span class="caret arrow"></span></a>');
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outputLetNav.push('<ul class="nav collapse');
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if (sectionHasPath) outputLetNav.push(" in");
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outputLetNav.push('" id="#item' + totalTopics + '" aria-expanded="');
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if (sectionHasPath) {
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outputLetNav.push("true");
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} else {
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outputLetNav.push("false");
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}
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outputLetNav.push('">');
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walkTree(page.section);
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outputLetNav.push("</ul></li>");
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} else {
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// just a regular old topic; this is a leaf, not a branch; render a link!
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outputLetNav.push('<li><a href="' + page.path + '"')
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if (page.path === pageURL && !page.nosync) {
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outputLetNav.push('class="active currentPage"')
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}
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outputLetNav.push(">" + page.title + "</a></li>")
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}
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}
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}
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function renderNav() {
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getJSON( "/js/toc.json", function( data ) {
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for (const item of data.horizontalnav) {
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if (item.path === pageURL || pageIsInSection(data[item.node])) {
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// This is the current section. Set the corresponding header-nav link
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// to active, and build the left-hand (vertical) navigation
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_('#'+item.node).closest("li").classList.add("active")
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walkTree(data[item.node]);
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_("#jsTOCLeftNav").innerHTML = outputLetNav.join("");
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}
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}
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// Scroll the current menu item into view. We actually pick the item *above*
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// the current item to give some headroom above
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scrollMenuItem("#jsTOCLeftNav a.currentPage")
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});
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}
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// Scroll the given menu item into view. We actually pick the item *above*
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// the current item to give some headroom above
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function scrollMenuItem(selector) {
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let item = document.querySelector(selector)
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if (item) {
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item = item.closest("li")
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}
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if (item) {
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item = item.previousElementSibling
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}
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if (item) {
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item.scrollIntoView(true)
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if (window.location.hash.length < 2) {
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// Scrolling the side-navigation may scroll the whole page as well
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// this is a dirty hack to scroll the main content back to the top
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// if we're not on a specific anchor
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document.querySelector("main.col-content").scrollIntoView(true)
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}
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}
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}
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function highlightRightNav(heading) {
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$("#my_toc a.active").removeClass("active");
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if (heading !== "title") {
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$("#my_toc a[href='#" + heading + "']").addClass("active");
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}
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}
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var currentHeading = "";
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$(window).scroll(function () {
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var headingPositions = [];
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$("h1, h2, h3, h4, h5, h6").each(function () {
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if (this.id === "") this.id = "title";
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headingPositions[this.id] = this.getBoundingClientRect().top;
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});
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headingPositions.sort();
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// the headings have all been grabbed and sorted in order of their scroll
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// position (from the top of the page). First one is toppermost.
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for (var key in headingPositions) {
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if (!headingPositions.hasOwnProperty(key)) {
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continue;
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}
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if (headingPositions[key] > 0 && headingPositions[key] < 200) {
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if (currentHeading !== key) {
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// a new heading has scrolled to within 200px of the top of the page.
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// highlight the right-nav entry and de-highlight the others.
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highlightRightNav(key);
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currentHeading = key;
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}
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break;
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}
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}
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});
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var navHeight = $(".navbar").outerHeight(true) + 80;
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$(document.body).scrollspy({
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target: "#leftCol",
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offset: navHeight
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});
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function loadHash(hashObj) {
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// Using jQuery's animate() method to add smooth page scroll
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// The optional number (800) specifies the number of milliseconds it takes to scroll to the specified area
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$("html, body").animate({scrollTop: $(hashObj).offset().top - 80}, 800);
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}
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$(document).ready(function () {
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// Add smooth scrolling to all links
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$(".toc-nav a").on("click", function (event) {
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// Make sure this.hash has a value before overriding default behavior
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if (this.hash !== "") {
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// Prevent default anchor click behavior
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event.preventDefault();
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// Store hash
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var hash = this.hash;
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loadHash(hash);
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// Add hash (#) to URL when done scrolling (default click behavior)
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window.location.hash = hash;
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}
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});
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if (window.location.hash) loadHash(window.location.hash);
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});
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$(document).ready(function () {
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// Add smooth scrolling to all links
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$(".nav-sidebar ul li a").on("click", function (event) {
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// Make sure this.hash has a value before overriding default behavior
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if (this.hash !== "") {
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// Prevent default anchor click behavior
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event.preventDefault();
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// Store hash
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var hash = this.hash;
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// Using jQuery's animate() method to add smooth page scroll
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// The optional number (800) specifies the number of milliseconds it takes to scroll to the specified area
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$("html, body").animate({
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scrollTop: $(hash).offset().top - 80
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}, 800, function () {
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// Add hash (#) to URL when done scrolling (default click behavior)
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window.location.hash = hash;
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});
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}
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});
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});
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function initNavToggle() {
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$("#menu-toggle").click(function (e) {
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e.preventDefault();
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$(".wrapper").toggleClass("right-open");
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$(".col-toc").toggleClass("col-toc-hidden");
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});
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$(".navbar-toggle").click(function () {
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$("#sidebar-nav").each(function () {
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$(this).toggleClass("hidden-sm");
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$(this).toggleClass("hidden-xs");
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});
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});
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}
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ready(() => {
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renderNav()
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initNavToggle()
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$('[data-toggle="tooltip"]').tooltip()
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// sync tabs with the same data-group
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$(".nav-tabs > li > a").click(function () {
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const group = $(this).attr("data-group");
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$(`.nav-tabs > li > a[data-group='${ group }']`).tab("show");
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});
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});
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