// Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE file in the project root for full license information.
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$(function () {
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var active = 'active';
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var expanded = 'in';
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var collapsed = 'collapsed';
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var filtered = 'filtered';
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var show = 'show';
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var hide = 'hide';
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var util = new utility();
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workAroundFixedHeaderForAnchors();
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highlight();
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enableSearch();
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renderTables();
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renderAlerts();
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renderLinks();
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renderNavbar();
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renderSidebar();
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renderAffix();
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renderFooter();
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renderLogo();
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breakText();
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renderTabs();
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window.refresh = function (article) {
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// Update markup result
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if (typeof article == 'undefined' || typeof article.content == 'undefined')
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console.error("Null Argument");
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$("article.content").html(article.content);
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highlight();
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renderTables();
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renderAlerts();
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renderAffix();
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renderTabs();
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}
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// Add this event listener when needed
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// window.addEventListener('content-update', contentUpdate);
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function breakText() {
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$(".xref").addClass("text-break");
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var texts = $(".text-break");
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texts.each(function () {
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$(this).breakWord();
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});
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}
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// Styling for tables in conceptual documents using Bootstrap.
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// See http://getbootstrap.com/css/#tables
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function renderTables() {
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$('table').addClass('table table-bordered table-striped table-condensed').wrap('<div class=\"table-responsive\"></div>');
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}
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// Styling for alerts.
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function renderAlerts() {
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$('.NOTE, .TIP').addClass('alert alert-info');
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$('.WARNING').addClass('alert alert-warning');
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$('.IMPORTANT, .CAUTION').addClass('alert alert-danger');
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}
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// Enable anchors for headings.
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(function () {
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anchors.options = {
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placement: 'left',
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visible: 'touch'
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};
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anchors.add('article h2:not(.no-anchor), article h3:not(.no-anchor), article h4:not(.no-anchor)');
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})();
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// Open links to different host in a new window.
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function renderLinks() {
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if ($("meta[property='docfx:newtab']").attr("content") === "true") {
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$(document.links).filter(function () {
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return this.hostname !== window.location.hostname;
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}).attr('target', '_blank');
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}
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}
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// Enable highlight.js
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function highlight() {
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$('pre code').each(function (i, block) {
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hljs.highlightBlock(block);
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});
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$('pre code[highlight-lines]').each(function (i, block) {
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if (block.innerHTML === "") return;
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var lines = block.innerHTML.split('\n');
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queryString = block.getAttribute('highlight-lines');
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if (!queryString) return;
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var ranges = queryString.split(',');
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for (var j = 0, range; range = ranges[j++];) {
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var found = range.match(/^(\d+)\-(\d+)?$/);
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if (found) {
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// consider region as `{startlinenumber}-{endlinenumber}`, in which {endlinenumber} is optional
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var start = +found[1];
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var end = +found[2];
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if (isNaN(end) || end > lines.length) {
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end = lines.length;
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}
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} else {
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// consider region as a sigine line number
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if (isNaN(range)) continue;
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var start = +range;
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var end = start;
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}
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if (start <= 0 || end <= 0 || start > end || start > lines.length) {
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// skip current region if invalid
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continue;
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}
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lines[start - 1] = '<span class="line-highlight">' + lines[start - 1];
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lines[end - 1] = lines[end - 1] + '</span>';
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}
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block.innerHTML = lines.join('\n');
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});
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}
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// Support full-text-search
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function enableSearch() {
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var query;
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var relHref = $("meta[property='docfx\\:rel']").attr("content");
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if (typeof relHref === 'undefined') {
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return;
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}
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try {
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var worker = new Worker(relHref + 'styles/search-worker.js');
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if (!worker && !window.worker) {
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localSearch();
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} else {
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webWorkerSearch();
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}
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renderSearchBox();
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highlightKeywords();
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addSearchEvent();
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} catch (e) {
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console.error(e);
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}
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//Adjust the position of search box in navbar
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function renderSearchBox() {
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autoCollapse();
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$(window).on('resize', autoCollapse);
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$(document).on('click', '.navbar-collapse.in', function (e) {
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if ($(e.target).is('a')) {
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$(this).collapse('hide');
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}
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});
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function autoCollapse() {
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var navbar = $('#autocollapse');
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if (navbar.height() === null) {
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setTimeout(autoCollapse, 300);
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}
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navbar.removeClass(collapsed);
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if (navbar.height() > 60) {
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navbar.addClass(collapsed);
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}
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}
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}
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// Search factory
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function localSearch() {
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console.log("using local search");
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var lunrIndex = lunr(function () {
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this.ref('href');
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this.field('title', { boost: 50 });
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this.field('keywords', { boost: 20 });
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});
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lunr.tokenizer.seperator = /[\s\-\.]+/;
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var searchData = {};
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var searchDataRequest = new XMLHttpRequest();
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var indexPath = relHref + "index.json";
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if (indexPath) {
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searchDataRequest.open('GET', indexPath);
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searchDataRequest.onload = function () {
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if (this.status != 200) {
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return;
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}
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searchData = JSON.parse(this.responseText);
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for (var prop in searchData) {
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if (searchData.hasOwnProperty(prop)) {
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lunrIndex.add(searchData[prop]);
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}
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}
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}
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searchDataRequest.send();
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}
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$("body").bind("queryReady", function () {
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var hits = lunrIndex.search(query);
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var results = [];
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hits.forEach(function (hit) {
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var item = searchData[hit.ref];
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results.push({ 'href': item.href, 'title': item.title, 'keywords': item.keywords });
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});
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handleSearchResults(results);
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});
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}
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function webWorkerSearch() {
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console.log("using Web Worker");
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var indexReady = $.Deferred();
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worker.onmessage = function (oEvent) {
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switch (oEvent.data.e) {
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case 'index-ready':
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indexReady.resolve();
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break;
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case 'query-ready':
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var hits = oEvent.data.d;
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handleSearchResults(hits);
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break;
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}
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}
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indexReady.promise().done(function () {
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$("body").bind("queryReady", function () {
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worker.postMessage({ q: query });
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});
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if (query && (query.length >= 3)) {
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worker.postMessage({ q: query });
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}
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});
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}
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// Highlight the searching keywords
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function highlightKeywords() {
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var q = url('?q');
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if (q !== null) {
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var keywords = q.split("%20");
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keywords.forEach(function (keyword) {
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if (keyword !== "") {
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$('.data-searchable *').mark(keyword);
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$('article *').mark(keyword);
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}
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});
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}
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}
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function addSearchEvent() {
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$('body').bind("searchEvent", function () {
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$('#search-query').keypress(function (e) {
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return e.which !== 13;
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});
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$('#search-query').keyup(function () {
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query = $(this).val();
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if (query.length < 3) {
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flipContents("show");
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} else {
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flipContents("hide");
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$("body").trigger("queryReady");
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$('#search-results>.search-list').text('Search Results for "' + query + '"');
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}
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}).off("keydown");
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});
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}
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function flipContents(action) {
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if (action === "show") {
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$('.hide-when-search').show();
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$('#search-results').hide();
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} else {
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$('.hide-when-search').hide();
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$('#search-results').show();
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}
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}
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function relativeUrlToAbsoluteUrl(currentUrl, relativeUrl) {
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var currentItems = currentUrl.split(/\/+/);
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var relativeItems = relativeUrl.split(/\/+/);
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var depth = currentItems.length - 1;
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var items = [];
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for (var i = 0; i < relativeItems.length; i++) {
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if (relativeItems[i] === '..') {
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depth--;
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} else if (relativeItems[i] !== '.') {
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items.push(relativeItems[i]);
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}
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}
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return currentItems.slice(0, depth).concat(items).join('/');
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}
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function extractContentBrief(content) {
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var briefOffset = 512;
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var words = query.split(/\s+/g);
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var queryIndex = content.indexOf(words[0]);
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var briefContent;
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if (queryIndex > briefOffset) {
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return "..." + content.slice(queryIndex - briefOffset, queryIndex + briefOffset) + "...";
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} else if (queryIndex <= briefOffset) {
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return content.slice(0, queryIndex + briefOffset) + "...";
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}
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}
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function handleSearchResults(hits) {
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var numPerPage = 10;
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$('#pagination').empty();
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$('#pagination').removeData("twbs-pagination");
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if (hits.length === 0) {
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$('#search-results>.sr-items').html('<p>No results found</p>');
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} else {
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$('#pagination').twbsPagination({
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totalPages: Math.ceil(hits.length / numPerPage),
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visiblePages: 5,
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onPageClick: function (event, page) {
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var start = (page - 1) * numPerPage;
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var curHits = hits.slice(start, start + numPerPage);
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$('#search-results>.sr-items').empty().append(
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curHits.map(function (hit) {
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var currentUrl = window.location.href;
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var itemRawHref = relativeUrlToAbsoluteUrl(currentUrl, relHref + hit.href);
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var itemHref = relHref + hit.href + "?q=" + query;
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var itemTitle = hit.title;
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var itemBrief = extractContentBrief(hit.keywords);
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var itemNode = $('<div>').attr('class', 'sr-item');
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var itemTitleNode = $('<div>').attr('class', 'item-title').append($('<a>').attr('href', itemHref).attr("target", "_blank").text(itemTitle));
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var itemHrefNode = $('<div>').attr('class', 'item-href').text(itemRawHref);
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var itemBriefNode = $('<div>').attr('class', 'item-brief').text(itemBrief);
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itemNode.append(itemTitleNode).append(itemHrefNode).append(itemBriefNode);
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return itemNode;
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})
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);
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query.split(/\s+/).forEach(function (word) {
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if (word !== '') {
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$('#search-results>.sr-items *').mark(word);
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}
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});
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}
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});
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}
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}
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};
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// Update href in navbar
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function renderNavbar() {
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var navbar = $('#navbar ul')[0];
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if (typeof (navbar) === 'undefined') {
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loadNavbar();
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} else {
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$('#navbar ul a.active').parents('li').addClass(active);
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renderBreadcrumb();
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showSearch();
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}
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function showSearch() {
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if ($('#search-results').length !== 0) {
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$('#search').show();
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$('body').trigger("searchEvent");
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}
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}
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function loadNavbar() {
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var navbarPath = $("meta[property='docfx\\:navrel']").attr("content");
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if (!navbarPath) {
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return;
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}
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navbarPath = navbarPath.replace(/\\/g, '/');
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var tocPath = $("meta[property='docfx\\:tocrel']").attr("content") || '';
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if (tocPath) tocPath = tocPath.replace(/\\/g, '/');
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$.get(navbarPath, function (data) {
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$(data).find("#toc>ul").appendTo("#navbar");
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showSearch();
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var index = navbarPath.lastIndexOf('/');
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var navrel = '';
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if (index > -1) {
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navrel = navbarPath.substr(0, index + 1);
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}
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$('#navbar>ul').addClass('navbar-nav');
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var currentAbsPath = util.getAbsolutePath(window.location.pathname);
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// set active item
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$('#navbar').find('a[href]').each(function (i, e) {
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var href = $(e).attr("href");
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if (util.isRelativePath(href)) {
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href = navrel + href;
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$(e).attr("href", href);
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var isActive = false;
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var originalHref = e.name;
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if (originalHref) {
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originalHref = navrel + originalHref;
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if (util.getDirectory(util.getAbsolutePath(originalHref)) === util.getDirectory(util.getAbsolutePath(tocPath))) {
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isActive = true;
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}
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} else {
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if (util.getAbsolutePath(href) === currentAbsPath) {
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var dropdown = $(e).attr('data-toggle') == "dropdown"
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if (!dropdown) {
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isActive = true;
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}
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}
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}
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if (isActive) {
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$(e).addClass(active);
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}
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}
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});
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renderNavbar();
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});
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}
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}
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function renderSidebar() {
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var sidetoc = $('#sidetoggle .sidetoc')[0];
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if (typeof (sidetoc) === 'undefined') {
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loadToc();
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} else {
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registerTocEvents();
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if ($('footer').is(':visible')) {
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$('.sidetoc').addClass('shiftup');
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}
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// Scroll to active item
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var top = 0;
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$('#toc a.active').parents('li').each(function (i, e) {
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$(e).addClass(active).addClass(expanded);
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$(e).children('a').addClass(active);
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top += $(e).position().top;
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})
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$('.sidetoc').scrollTop(top - 50);
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if ($('footer').is(':visible')) {
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$('.sidetoc').addClass('shiftup');
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}
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renderBreadcrumb();
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}
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function registerTocEvents() {
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var tocFilterInput = $('#toc_filter_input');
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var tocFilterClearButton = $('#toc_filter_clear');
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$('.toc .nav > li > .expand-stub').click(function (e) {
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$(e.target).parent().toggleClass(expanded);
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});
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$('.toc .nav > li > .expand-stub + a:not([href])').click(function (e) {
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$(e.target).parent().toggleClass(expanded);
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});
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tocFilterInput.on('input', function (e) {
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var val = this.value;
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//Save filter string to local session storage
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if (typeof(Storage) !== "undefined") {
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sessionStorage.filterString = val;
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}
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if (val === '') {
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// Clear 'filtered' class
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$('#toc li').removeClass(filtered).removeClass(hide);
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tocFilterClearButton.fadeOut();
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return;
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}
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tocFilterClearButton.fadeIn();
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|
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// Get leaf nodes
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$('#toc li>a').filter(function (i, e) {
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return $(e).siblings().length === 0
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}).each(function (i, anchor) {
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var text = $(anchor).attr('title');
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var parent = $(anchor).parent();
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var parentNodes = parent.parents('ul>li');
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for (var i = 0; i < parentNodes.length; i++) {
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var parentText = $(parentNodes[i]).children('a').attr('title');
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if (parentText) text = parentText + '.' + text;
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};
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if (filterNavItem(text, val)) {
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parent.addClass(show);
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parent.removeClass(hide);
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} else {
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parent.addClass(hide);
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parent.removeClass(show);
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}
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});
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|
$('#toc li>a').filter(function (i, e) {
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return $(e).siblings().length > 0
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|
}).each(function (i, anchor) {
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var parent = $(anchor).parent();
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if (parent.find('li.show').length > 0) {
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parent.addClass(show);
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parent.addClass(filtered);
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parent.removeClass(hide);
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|
} else {
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parent.addClass(hide);
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parent.removeClass(show);
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parent.removeClass(filtered);
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}
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})
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|
|
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function filterNavItem(name, text) {
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if (!text) return true;
|
|
if (name && name.toLowerCase().indexOf(text.toLowerCase()) > -1) return true;
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|
return false;
|
|
}
|
|
});
|
|
|
|
// toc filter clear button
|
|
tocFilterClearButton.hide();
|
|
tocFilterClearButton.on("click", function(e){
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tocFilterInput.val("");
|
|
tocFilterInput.trigger('input');
|
|
if (typeof(Storage) !== "undefined") {
|
|
sessionStorage.filterString = "";
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|
}
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|
});
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|
|
//Set toc filter from local session storage on page load
|
|
if (typeof(Storage) !== "undefined") {
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|
tocFilterInput.val(sessionStorage.filterString);
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tocFilterInput.trigger('input');
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|
}
|
|
}
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|
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function loadToc() {
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|
var tocPath = $("meta[property='docfx\\:tocrel']").attr("content");
|
|
if (!tocPath) {
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return;
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|
}
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|
tocPath = tocPath.replace(/\\/g, '/');
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|
$('#sidetoc').load(tocPath + " #sidetoggle > div", function () {
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|
var index = tocPath.lastIndexOf('/');
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|
var tocrel = '';
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|
if (index > -1) {
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tocrel = tocPath.substr(0, index + 1);
|
|
}
|
|
var currentHref = util.getAbsolutePath(window.location.pathname);
|
|
$('#sidetoc').find('a[href]').each(function (i, e) {
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|
var href = $(e).attr("href");
|
|
if (util.isRelativePath(href)) {
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|
href = tocrel + href;
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|
$(e).attr("href", href);
|
|
}
|
|
|
|
if (util.getAbsolutePath(e.href) === currentHref) {
|
|
$(e).addClass(active);
|
|
}
|
|
|
|
$(e).breakWord();
|
|
});
|
|
|
|
renderSidebar();
|
|
});
|
|
}
|
|
}
|
|
|
|
function renderBreadcrumb() {
|
|
var breadcrumb = [];
|
|
$('#navbar a.active').each(function (i, e) {
|
|
breadcrumb.push({
|
|
href: e.href,
|
|
name: e.innerHTML
|
|
});
|
|
})
|
|
$('#toc a.active').each(function (i, e) {
|
|
breadcrumb.push({
|
|
href: e.href,
|
|
name: e.innerHTML
|
|
});
|
|
})
|
|
|
|
var html = util.formList(breadcrumb, 'breadcrumb');
|
|
$('#breadcrumb').html(html);
|
|
}
|
|
|
|
//Setup Affix
|
|
function renderAffix() {
|
|
var hierarchy = getHierarchy();
|
|
if (hierarchy && hierarchy.length > 0) {
|
|
var html = '<h5 class="title">In This Article</h5>'
|
|
html += util.formList(hierarchy, ['nav', 'bs-docs-sidenav']);
|
|
$("#affix").empty().append(html);
|
|
if ($('footer').is(':visible')) {
|
|
$(".sideaffix").css("bottom", "70px");
|
|
}
|
|
$('#affix a').click(function(e) {
|
|
var scrollspy = $('[data-spy="scroll"]').data()['bs.scrollspy'];
|
|
var target = e.target.hash;
|
|
if (scrollspy && target) {
|
|
scrollspy.activate(target);
|
|
}
|
|
});
|
|
}
|
|
|
|
function getHierarchy() {
|
|
// supported headers are h1, h2, h3, and h4
|
|
var $headers = $($.map(['h1', 'h2', 'h3', 'h4'], function (h) { return ".article article " + h; }).join(", "));
|
|
|
|
// a stack of hierarchy items that are currently being built
|
|
var stack = [];
|
|
$headers.each(function (i, e) {
|
|
if (!e.id) {
|
|
return;
|
|
}
|
|
|
|
var item = {
|
|
name: htmlEncode($(e).text()),
|
|
href: "#" + e.id,
|
|
items: []
|
|
};
|
|
|
|
if (!stack.length) {
|
|
stack.push({ type: e.tagName, siblings: [item] });
|
|
return;
|
|
}
|
|
|
|
var frame = stack[stack.length - 1];
|
|
if (e.tagName === frame.type) {
|
|
frame.siblings.push(item);
|
|
} else if (e.tagName[1] > frame.type[1]) {
|
|
// we are looking at a child of the last element of frame.siblings.
|
|
// push a frame onto the stack. After we've finished building this item's children,
|
|
// we'll attach it as a child of the last element
|
|
stack.push({ type: e.tagName, siblings: [item] });
|
|
} else { // e.tagName[1] < frame.type[1]
|
|
// we are looking at a sibling of an ancestor of the current item.
|
|
// pop frames from the stack, building items as we go, until we reach the correct level at which to attach this item.
|
|
while (e.tagName[1] < stack[stack.length - 1].type[1]) {
|
|
buildParent();
|
|
}
|
|
if (e.tagName === stack[stack.length - 1].type) {
|
|
stack[stack.length - 1].siblings.push(item);
|
|
} else {
|
|
stack.push({ type: e.tagName, siblings: [item] });
|
|
}
|
|
}
|
|
});
|
|
while (stack.length > 1) {
|
|
buildParent();
|
|
}
|
|
|
|
function buildParent() {
|
|
var childrenToAttach = stack.pop();
|
|
var parentFrame = stack[stack.length - 1];
|
|
var parent = parentFrame.siblings[parentFrame.siblings.length - 1];
|
|
$.each(childrenToAttach.siblings, function (i, child) {
|
|
parent.items.push(child);
|
|
});
|
|
}
|
|
if (stack.length > 0) {
|
|
|
|
var topLevel = stack.pop().siblings;
|
|
if (topLevel.length === 1) { // if there's only one topmost header, dump it
|
|
return topLevel[0].items;
|
|
}
|
|
return topLevel;
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
function htmlEncode(str) {
|
|
if (!str) return str;
|
|
return str
|
|
.replace(/&/g, '&')
|
|
.replace(/"/g, '"')
|
|
.replace(/'/g, ''')
|
|
.replace(/</g, '<')
|
|
.replace(/>/g, '>');
|
|
}
|
|
|
|
function htmlDecode(value) {
|
|
if (!str) return str;
|
|
return value
|
|
.replace(/"/g, '"')
|
|
.replace(/'/g, "'")
|
|
.replace(/</g, '<')
|
|
.replace(/>/g, '>')
|
|
.replace(/&/g, '&');
|
|
}
|
|
|
|
function cssEscape(str) {
|
|
// see: http://stackoverflow.com/questions/2786538/need-to-escape-a-special-character-in-a-jquery-selector-string#answer-2837646
|
|
if (!str) return str;
|
|
return str
|
|
.replace(/[!"#$%&'()*+,.\/:;<=>?@[\\\]^`{|}~]/g, "\\$&");
|
|
}
|
|
}
|
|
|
|
// Show footer
|
|
function renderFooter() {
|
|
initFooter();
|
|
$(window).on("scroll", showFooterCore);
|
|
|
|
function initFooter() {
|
|
if (needFooter()) {
|
|
shiftUpBottomCss();
|
|
$("footer").show();
|
|
} else {
|
|
resetBottomCss();
|
|
$("footer").hide();
|
|
}
|
|
}
|
|
|
|
function showFooterCore() {
|
|
if (needFooter()) {
|
|
shiftUpBottomCss();
|
|
$("footer").fadeIn();
|
|
} else {
|
|
resetBottomCss();
|
|
$("footer").fadeOut();
|
|
}
|
|
}
|
|
|
|
function needFooter() {
|
|
var scrollHeight = $(document).height();
|
|
var scrollPosition = $(window).height() + $(window).scrollTop();
|
|
return (scrollHeight - scrollPosition) < 1;
|
|
}
|
|
|
|
function resetBottomCss() {
|
|
$(".sidetoc").removeClass("shiftup");
|
|
$(".sideaffix").removeClass("shiftup");
|
|
}
|
|
|
|
function shiftUpBottomCss() {
|
|
$(".sidetoc").addClass("shiftup");
|
|
$(".sideaffix").addClass("shiftup");
|
|
}
|
|
}
|
|
|
|
function renderLogo() {
|
|
// For LOGO SVG
|
|
// Replace SVG with inline SVG
|
|
// http://stackoverflow.com/questions/11978995/how-to-change-color-of-svg-image-using-css-jquery-svg-image-replacement
|
|
jQuery('img.svg').each(function () {
|
|
var $img = jQuery(this);
|
|
var imgID = $img.attr('id');
|
|
var imgClass = $img.attr('class');
|
|
var imgURL = $img.attr('src');
|
|
|
|
jQuery.get(imgURL, function (data) {
|
|
// Get the SVG tag, ignore the rest
|
|
var $svg = jQuery(data).find('svg');
|
|
|
|
// Add replaced image's ID to the new SVG
|
|
if (typeof imgID !== 'undefined') {
|
|
$svg = $svg.attr('id', imgID);
|
|
}
|
|
// Add replaced image's classes to the new SVG
|
|
if (typeof imgClass !== 'undefined') {
|
|
$svg = $svg.attr('class', imgClass + ' replaced-svg');
|
|
}
|
|
|
|
// Remove any invalid XML tags as per http://validator.w3.org
|
|
$svg = $svg.removeAttr('xmlns:a');
|
|
|
|
// Replace image with new SVG
|
|
$img.replaceWith($svg);
|
|
|
|
}, 'xml');
|
|
});
|
|
}
|
|
|
|
function renderTabs() {
|
|
var contentAttrs = {
|
|
id: 'data-bi-id',
|
|
name: 'data-bi-name',
|
|
type: 'data-bi-type'
|
|
};
|
|
|
|
var Tab = (function () {
|
|
function Tab(li, a, section) {
|
|
this.li = li;
|
|
this.a = a;
|
|
this.section = section;
|
|
}
|
|
Object.defineProperty(Tab.prototype, "tabIds", {
|
|
get: function () { return this.a.getAttribute('data-tab').split(' '); },
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(Tab.prototype, "condition", {
|
|
get: function () { return this.a.getAttribute('data-condition'); },
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(Tab.prototype, "visible", {
|
|
get: function () { return !this.li.hasAttribute('hidden'); },
|
|
set: function (value) {
|
|
if (value) {
|
|
this.li.removeAttribute('hidden');
|
|
this.li.removeAttribute('aria-hidden');
|
|
}
|
|
else {
|
|
this.li.setAttribute('hidden', 'hidden');
|
|
this.li.setAttribute('aria-hidden', 'true');
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Object.defineProperty(Tab.prototype, "selected", {
|
|
get: function () { return !this.section.hasAttribute('hidden'); },
|
|
set: function (value) {
|
|
if (value) {
|
|
this.a.setAttribute('aria-selected', 'true');
|
|
this.a.tabIndex = 0;
|
|
this.section.removeAttribute('hidden');
|
|
this.section.removeAttribute('aria-hidden');
|
|
}
|
|
else {
|
|
this.a.setAttribute('aria-selected', 'false');
|
|
this.a.tabIndex = -1;
|
|
this.section.setAttribute('hidden', 'hidden');
|
|
this.section.setAttribute('aria-hidden', 'true');
|
|
}
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
Tab.prototype.focus = function () {
|
|
this.a.focus();
|
|
};
|
|
return Tab;
|
|
}());
|
|
|
|
initTabs(document.body);
|
|
|
|
function initTabs(container) {
|
|
var queryStringTabs = readTabsQueryStringParam();
|
|
var elements = container.querySelectorAll('.tabGroup');
|
|
var state = { groups: [], selectedTabs: [] };
|
|
for (var i = 0; i < elements.length; i++) {
|
|
var group = initTabGroup(elements.item(i));
|
|
if (!group.independent) {
|
|
updateVisibilityAndSelection(group, state);
|
|
state.groups.push(group);
|
|
}
|
|
}
|
|
container.addEventListener('click', function (event) { return handleClick(event, state); });
|
|
if (state.groups.length === 0) {
|
|
return state;
|
|
}
|
|
selectTabs(queryStringTabs, container);
|
|
updateTabsQueryStringParam(state);
|
|
notifyContentUpdated();
|
|
return state;
|
|
}
|
|
|
|
function initTabGroup(element) {
|
|
var group = {
|
|
independent: element.hasAttribute('data-tab-group-independent'),
|
|
tabs: []
|
|
};
|
|
var li = element.firstElementChild.firstElementChild;
|
|
while (li) {
|
|
var a = li.firstElementChild;
|
|
a.setAttribute(contentAttrs.name, 'tab');
|
|
var dataTab = a.getAttribute('data-tab').replace(/\+/g, ' ');
|
|
a.setAttribute('data-tab', dataTab);
|
|
var section = element.querySelector("[id=\"" + a.getAttribute('aria-controls') + "\"]");
|
|
var tab = new Tab(li, a, section);
|
|
group.tabs.push(tab);
|
|
li = li.nextElementSibling;
|
|
}
|
|
element.setAttribute(contentAttrs.name, 'tab-group');
|
|
element.tabGroup = group;
|
|
return group;
|
|
}
|
|
|
|
function updateVisibilityAndSelection(group, state) {
|
|
var anySelected = false;
|
|
var firstVisibleTab;
|
|
for (var _i = 0, _a = group.tabs; _i < _a.length; _i++) {
|
|
var tab = _a[_i];
|
|
tab.visible = tab.condition === null || state.selectedTabs.indexOf(tab.condition) !== -1;
|
|
if (tab.visible) {
|
|
if (!firstVisibleTab) {
|
|
firstVisibleTab = tab;
|
|
}
|
|
}
|
|
tab.selected = tab.visible && arraysIntersect(state.selectedTabs, tab.tabIds);
|
|
anySelected = anySelected || tab.selected;
|
|
}
|
|
if (!anySelected) {
|
|
for (var _b = 0, _c = group.tabs; _b < _c.length; _b++) {
|
|
var tabIds = _c[_b].tabIds;
|
|
for (var _d = 0, tabIds_1 = tabIds; _d < tabIds_1.length; _d++) {
|
|
var tabId = tabIds_1[_d];
|
|
var index = state.selectedTabs.indexOf(tabId);
|
|
if (index === -1) {
|
|
continue;
|
|
}
|
|
state.selectedTabs.splice(index, 1);
|
|
}
|
|
}
|
|
var tab = firstVisibleTab;
|
|
tab.selected = true;
|
|
state.selectedTabs.push(tab.tabIds[0]);
|
|
}
|
|
}
|
|
|
|
function getTabInfoFromEvent(event) {
|
|
if (!(event.target instanceof HTMLElement)) {
|
|
return null;
|
|
}
|
|
var anchor = event.target.closest('a[data-tab]');
|
|
if (anchor === null) {
|
|
return null;
|
|
}
|
|
var tabIds = anchor.getAttribute('data-tab').split(' ');
|
|
var group = anchor.parentElement.parentElement.parentElement.tabGroup;
|
|
if (group === undefined) {
|
|
return null;
|
|
}
|
|
return { tabIds: tabIds, group: group, anchor: anchor };
|
|
}
|
|
|
|
function handleClick(event, state) {
|
|
var info = getTabInfoFromEvent(event);
|
|
if (info === null) {
|
|
return;
|
|
}
|
|
event.preventDefault();
|
|
info.anchor.href = 'javascript:';
|
|
setTimeout(function () { return info.anchor.href = '#' + info.anchor.getAttribute('aria-controls'); });
|
|
var tabIds = info.tabIds, group = info.group;
|
|
var originalTop = info.anchor.getBoundingClientRect().top;
|
|
if (group.independent) {
|
|
for (var _i = 0, _a = group.tabs; _i < _a.length; _i++) {
|
|
var tab = _a[_i];
|
|
tab.selected = arraysIntersect(tab.tabIds, tabIds);
|
|
}
|
|
}
|
|
else {
|
|
if (arraysIntersect(state.selectedTabs, tabIds)) {
|
|
return;
|
|
}
|
|
var previousTabId = group.tabs.filter(function (t) { return t.selected; })[0].tabIds[0];
|
|
state.selectedTabs.splice(state.selectedTabs.indexOf(previousTabId), 1, tabIds[0]);
|
|
for (var _b = 0, _c = state.groups; _b < _c.length; _b++) {
|
|
var group_1 = _c[_b];
|
|
updateVisibilityAndSelection(group_1, state);
|
|
}
|
|
updateTabsQueryStringParam(state);
|
|
}
|
|
notifyContentUpdated();
|
|
var top = info.anchor.getBoundingClientRect().top;
|
|
if (top !== originalTop && event instanceof MouseEvent) {
|
|
window.scrollTo(0, window.pageYOffset + top - originalTop);
|
|
}
|
|
}
|
|
|
|
function selectTabs(tabIds) {
|
|
for (var _i = 0, tabIds_1 = tabIds; _i < tabIds_1.length; _i++) {
|
|
var tabId = tabIds_1[_i];
|
|
var a = document.querySelector(".tabGroup > ul > li > a[data-tab=\"" + tabId + "\"]:not([hidden])");
|
|
if (a === null) {
|
|
return;
|
|
}
|
|
a.dispatchEvent(new CustomEvent('click', { bubbles: true }));
|
|
}
|
|
}
|
|
|
|
function readTabsQueryStringParam() {
|
|
var qs = parseQueryString();
|
|
var t = qs.tabs;
|
|
if (t === undefined || t === '') {
|
|
return [];
|
|
}
|
|
return t.split(',');
|
|
}
|
|
|
|
function updateTabsQueryStringParam(state) {
|
|
var qs = parseQueryString();
|
|
qs.tabs = state.selectedTabs.join();
|
|
var url = location.protocol + "//" + location.host + location.pathname + "?" + toQueryString(qs) + location.hash;
|
|
if (location.href === url) {
|
|
return;
|
|
}
|
|
history.replaceState({}, document.title, url);
|
|
}
|
|
|
|
function toQueryString(args) {
|
|
var parts = [];
|
|
for (var name_1 in args) {
|
|
if (args.hasOwnProperty(name_1) && args[name_1] !== '' && args[name_1] !== null && args[name_1] !== undefined) {
|
|
parts.push(encodeURIComponent(name_1) + '=' + encodeURIComponent(args[name_1]));
|
|
}
|
|
}
|
|
return parts.join('&');
|
|
}
|
|
|
|
function parseQueryString(queryString) {
|
|
var match;
|
|
var pl = /\+/g;
|
|
var search = /([^&=]+)=?([^&]*)/g;
|
|
var decode = function (s) { return decodeURIComponent(s.replace(pl, ' ')); };
|
|
if (queryString === undefined) {
|
|
queryString = '';
|
|
}
|
|
queryString = queryString.substring(1);
|
|
var urlParams = {};
|
|
while (match = search.exec(queryString)) {
|
|
urlParams[decode(match[1])] = decode(match[2]);
|
|
}
|
|
return urlParams;
|
|
}
|
|
|
|
function arraysIntersect(a, b) {
|
|
for (var _i = 0, a_1 = a; _i < a_1.length; _i++) {
|
|
var itemA = a_1[_i];
|
|
for (var _a = 0, b_1 = b; _a < b_1.length; _a++) {
|
|
var itemB = b_1[_a];
|
|
if (itemA === itemB) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function notifyContentUpdated() {
|
|
// Dispatch this event when needed
|
|
// window.dispatchEvent(new CustomEvent('content-update'));
|
|
}
|
|
}
|
|
|
|
function utility() {
|
|
this.getAbsolutePath = getAbsolutePath;
|
|
this.isRelativePath = isRelativePath;
|
|
this.isAbsolutePath = isAbsolutePath;
|
|
this.getDirectory = getDirectory;
|
|
this.formList = formList;
|
|
|
|
function getAbsolutePath(href) {
|
|
// Use anchor to normalize href
|
|
var anchor = $('<a href="' + href + '"></a>')[0];
|
|
// Ignore protocal, remove search and query
|
|
return anchor.host + anchor.pathname;
|
|
}
|
|
|
|
function isRelativePath(href) {
|
|
if (href === undefined || href === '' || href[0] === '/') {
|
|
return false;
|
|
}
|
|
return !isAbsolutePath(href);
|
|
}
|
|
|
|
function isAbsolutePath(href) {
|
|
return (/^(?:[a-z]+:)?\/\//i).test(href);
|
|
}
|
|
|
|
function getDirectory(href) {
|
|
if (!href) return '';
|
|
var index = href.lastIndexOf('/');
|
|
if (index == -1) return '';
|
|
if (index > -1) {
|
|
return href.substr(0, index);
|
|
}
|
|
}
|
|
|
|
function formList(item, classes) {
|
|
var level = 1;
|
|
var model = {
|
|
items: item
|
|
};
|
|
var cls = [].concat(classes).join(" ");
|
|
return getList(model, cls);
|
|
|
|
function getList(model, cls) {
|
|
if (!model || !model.items) return null;
|
|
var l = model.items.length;
|
|
if (l === 0) return null;
|
|
var html = '<ul class="level' + level + ' ' + (cls || '') + '">';
|
|
level++;
|
|
for (var i = 0; i < l; i++) {
|
|
var item = model.items[i];
|
|
var href = item.href;
|
|
var name = item.name;
|
|
if (!name) continue;
|
|
html += href ? '<li><a href="' + href + '">' + name + '</a>' : '<li>' + name;
|
|
html += getList(item, cls) || '';
|
|
html += '</li>';
|
|
}
|
|
html += '</ul>';
|
|
return html;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add <wbr> into long word.
|
|
* @param {String} text - The word to break. It should be in plain text without HTML tags.
|
|
*/
|
|
function breakPlainText(text) {
|
|
if (!text) return text;
|
|
return text.replace(/([a-z])([A-Z])|(\.)(\w)/g, '$1$3<wbr>$2$4')
|
|
}
|
|
|
|
/**
|
|
* Add <wbr> into long word. The jQuery element should contain no html tags.
|
|
* If the jQuery element contains tags, this function will not change the element.
|
|
*/
|
|
$.fn.breakWord = function () {
|
|
if (this.html() == this.text()) {
|
|
this.html(function (index, text) {
|
|
return breakPlainText(text);
|
|
})
|
|
}
|
|
return this;
|
|
}
|
|
}
|
|
|
|
// adjusted from https://stackoverflow.com/a/13067009/1523776
|
|
function workAroundFixedHeaderForAnchors() {
|
|
var HISTORY_SUPPORT = !!(history && history.pushState);
|
|
var ANCHOR_REGEX = /^#[^ ]+$/;
|
|
|
|
function getFixedOffset() {
|
|
return $('header').first().height();
|
|
}
|
|
|
|
/**
|
|
* If the provided href is an anchor which resolves to an element on the
|
|
* page, scroll to it.
|
|
* @param {String} href
|
|
* @return {Boolean} - Was the href an anchor.
|
|
*/
|
|
function scrollIfAnchor(href, pushToHistory) {
|
|
var match, rect, anchorOffset;
|
|
|
|
if (!ANCHOR_REGEX.test(href)) {
|
|
return false;
|
|
}
|
|
|
|
match = document.getElementById(href.slice(1));
|
|
|
|
if (match) {
|
|
rect = match.getBoundingClientRect();
|
|
anchorOffset = window.pageYOffset + rect.top - getFixedOffset();
|
|
window.scrollTo(window.pageXOffset, anchorOffset);
|
|
|
|
// Add the state to history as-per normal anchor links
|
|
if (HISTORY_SUPPORT && pushToHistory) {
|
|
history.pushState({}, document.title, location.pathname + href);
|
|
}
|
|
}
|
|
|
|
return !!match;
|
|
}
|
|
|
|
/**
|
|
* Attempt to scroll to the current location's hash.
|
|
*/
|
|
function scrollToCurrent() {
|
|
scrollIfAnchor(window.location.hash);
|
|
}
|
|
|
|
/**
|
|
* If the click event's target was an anchor, fix the scroll position.
|
|
*/
|
|
function delegateAnchors(e) {
|
|
var elem = e.target;
|
|
|
|
if (scrollIfAnchor(elem.getAttribute('href'), true)) {
|
|
e.preventDefault();
|
|
}
|
|
}
|
|
|
|
$(window).on('hashchange', scrollToCurrent);
|
|
|
|
$(window).load(function () {
|
|
// scroll to the anchor if present, offset by the header
|
|
scrollToCurrent();
|
|
});
|
|
|
|
$(document).ready(function () {
|
|
// Exclude tabbed content case
|
|
$('a:not([data-tab])').click(function (e) { delegateAnchors(e); });
|
|
});
|
|
}
|
|
});
|