71 lines
5.1 KiB
JavaScript
71 lines
5.1 KiB
JavaScript
// Populate the sidebar
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//
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// This is a script, and not included directly in the page, to control the total size of the book.
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// The TOC contains an entry for each page, so if each page includes a copy of the TOC,
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// the total size of the page becomes O(n**2).
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class MDBookSidebarScrollbox extends HTMLElement {
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constructor() {
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super();
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}
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connectedCallback() {
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this.innerHTML = '<ol class="chapter"><li class="chapter-item expanded affix "><a href="introduction.html">引言</a></li><li class="chapter-item expanded affix "><li class="spacer"></li><li class="chapter-item expanded affix "><li class="part-title">第一部分：愿景 (The Vision)</li><li class="chapter-item expanded "><a href="philosophy/principles.html"><strong aria-hidden="true">1.</strong> 哲学与原则</a></li><li class="chapter-item expanded affix "><li class="part-title">第二部分：核心概念 (Core Concepts)</li><li class="chapter-item expanded "><a href="concepts/core_architecture.html"><strong aria-hidden="true">2.</strong> 核心架构</a></li><li class="chapter-item expanded "><a href="concepts/ai_system.html"><strong aria-hidden="true">3.</strong> AI 系统设计</a></li><li class="chapter-item expanded "><a href="concepts/user_journey.html"><strong aria-hidden="true">4.</strong> 用户旅程</a></li><li class="chapter-item expanded affix "><li class="part-title">第三部分：开发者指南 (For Developers)</li><li class="chapter-item expanded "><a href="specifications/tech_overview.html"><strong aria-hidden="true">5.</strong> 技术总览</a></li><li class="chapter-item expanded affix "><li class="part-title">第四部分：生态系统 (The Ecosystem)</li><li class="chapter-item expanded "><a href="ecosystem/app_bazaar.html"><strong aria-hidden="true">6.</strong> 应用集市</a></li><li class="chapter-item expanded affix "><li class="part-title">第五部分：关于项目 (The Project)</li><li class="chapter-item expanded "><a href="project/roadmap.html"><strong aria-hidden="true">7.</strong> 发展路线图</a></li><li class="chapter-item expanded "><a href="project/governance.html"><strong aria-hidden="true">8.</strong> 社区与治理</a></li><li class="chapter-item expanded "><a href="project/CONTRIBUTING.html"><strong aria-hidden="true">9.</strong> 如何贡献</a></li></ol>';
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// Set the current, active page, and reveal it if it's hidden
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let current_page = document.location.href.toString().split("#")[0].split("?")[0];
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if (current_page.endsWith("/")) {
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current_page += "index.html";
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}
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var links = Array.prototype.slice.call(this.querySelectorAll("a"));
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var l = links.length;
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for (var i = 0; i < l; ++i) {
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var link = links[i];
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var href = link.getAttribute("href");
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if (href && !href.startsWith("#") && !/^(?:[a-z+]+:)?\/\//.test(href)) {
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link.href = path_to_root + href;
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}
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// The "index" page is supposed to alias the first chapter in the book.
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if (link.href === current_page || (i === 0 && path_to_root === "" && current_page.endsWith("/index.html"))) {
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link.classList.add("active");
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var parent = link.parentElement;
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if (parent && parent.classList.contains("chapter-item")) {
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parent.classList.add("expanded");
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}
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while (parent) {
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if (parent.tagName === "LI" && parent.previousElementSibling) {
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if (parent.previousElementSibling.classList.contains("chapter-item")) {
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parent.previousElementSibling.classList.add("expanded");
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}
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}
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parent = parent.parentElement;
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}
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}
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}
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// Track and set sidebar scroll position
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this.addEventListener('click', function(e) {
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if (e.target.tagName === 'A') {
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sessionStorage.setItem('sidebar-scroll', this.scrollTop);
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}
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}, { passive: true });
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var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
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sessionStorage.removeItem('sidebar-scroll');
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if (sidebarScrollTop) {
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// preserve sidebar scroll position when navigating via links within sidebar
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this.scrollTop = sidebarScrollTop;
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} else {
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// scroll sidebar to current active section when navigating via "next/previous chapter" buttons
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var activeSection = document.querySelector('#sidebar .active');
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if (activeSection) {
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activeSection.scrollIntoView({ block: 'center' });
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}
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}
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// Toggle buttons
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var sidebarAnchorToggles = document.querySelectorAll('#sidebar a.toggle');
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function toggleSection(ev) {
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ev.currentTarget.parentElement.classList.toggle('expanded');
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}
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Array.from(sidebarAnchorToggles).forEach(function (el) {
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el.addEventListener('click', toggleSection);
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});
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}
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}
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window.customElements.define("mdbook-sidebar-scrollbox", MDBookSidebarScrollbox);
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