71 lines
12 KiB
JavaScript
71 lines
12 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="2025-08-05.html">Today</a></li><li class="chapter-item expanded affix "><li class="part-title">2025-08</li><li class="chapter-item expanded "><a href="daily/2025-08-05.html"><strong aria-hidden="true">1.</strong> 08-05-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-08-04.html"><strong aria-hidden="true">2.</strong> 08-04-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-08-03.html"><strong aria-hidden="true">3.</strong> 08-03-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-08-02.html"><strong aria-hidden="true">4.</strong> 08-02-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-08-01.html"><strong aria-hidden="true">5.</strong> 08-01-日刊</a></li><li class="chapter-item expanded affix "><li class="part-title">2025-07</li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-31.html"><strong aria-hidden="true">6.</strong> 07-31-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-30.html"><strong aria-hidden="true">7.</strong> 07-30-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-29.html"><strong aria-hidden="true">8.</strong> 07-29-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-28.html"><strong aria-hidden="true">9.</strong> 07-28-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-27.html"><strong aria-hidden="true">10.</strong> 07-27-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-26.html"><strong aria-hidden="true">11.</strong> 07-26-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-25.html"><strong aria-hidden="true">12.</strong> 07-25-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-24.html"><strong aria-hidden="true">13.</strong> 07-24-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-23.html"><strong aria-hidden="true">14.</strong> 07-23-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-22.html"><strong aria-hidden="true">15.</strong> 07-22-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-21.html"><strong aria-hidden="true">16.</strong> 07-21-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-20.html"><strong aria-hidden="true">17.</strong> 07-20-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-19.html"><strong aria-hidden="true">18.</strong> 07-19-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-18.html"><strong aria-hidden="true">19.</strong> 07-18-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-17.html"><strong aria-hidden="true">20.</strong> 07-17-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-16.html"><strong aria-hidden="true">21.</strong> 07-16-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-15.html"><strong aria-hidden="true">22.</strong> 07-15-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-14.html"><strong aria-hidden="true">23.</strong> 07-14-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-13.html"><strong aria-hidden="true">24.</strong> 07-13-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-12.html"><strong aria-hidden="true">25.</strong> 07-12-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-11.html"><strong aria-hidden="true">26.</strong> 07-11-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-10.html"><strong aria-hidden="true">27.</strong> 07-10-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-09.html"><strong aria-hidden="true">28.</strong> 07-09-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-08.html"><strong aria-hidden="true">29.</strong> 07-08-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-07.html"><strong aria-hidden="true">30.</strong> 07-07-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-06.html"><strong aria-hidden="true">31.</strong> 07-06-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-05.html"><strong aria-hidden="true">32.</strong> 07-05-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-04.html"><strong aria-hidden="true">33.</strong> 07-04-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-03.html"><strong aria-hidden="true">34.</strong> 07-03-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-02.html"><strong aria-hidden="true">35.</strong> 07-02-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-07/2025-07-01.html"><strong aria-hidden="true">36.</strong> 07-01-日刊</a></li><li class="chapter-item expanded affix "><li class="part-title">2025-06</li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-30.html"><strong aria-hidden="true">37.</strong> 06-30-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-29.html"><strong aria-hidden="true">38.</strong> 06-29-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-28.html"><strong aria-hidden="true">39.</strong> 06-28-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-27.html"><strong aria-hidden="true">40.</strong> 06-27-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-26.html"><strong aria-hidden="true">41.</strong> 06-26-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-25.html"><strong aria-hidden="true">42.</strong> 06-25-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-24.html"><strong aria-hidden="true">43.</strong> 06-24-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-23.html"><strong aria-hidden="true">44.</strong> 06-23-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-22.html"><strong aria-hidden="true">45.</strong> 06-22-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-21.html"><strong aria-hidden="true">46.</strong> 06-21-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-20.html"><strong aria-hidden="true">47.</strong> 06-20-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-19.html"><strong aria-hidden="true">48.</strong> 06-19-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-18.html"><strong aria-hidden="true">49.</strong> 06-18-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-17.html"><strong aria-hidden="true">50.</strong> 06-17-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-16.html"><strong aria-hidden="true">51.</strong> 06-16-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-15.html"><strong aria-hidden="true">52.</strong> 06-15-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-14.html"><strong aria-hidden="true">53.</strong> 06-14-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-13.html"><strong aria-hidden="true">54.</strong> 06-13-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-12.html"><strong aria-hidden="true">55.</strong> 06-12-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-11.html"><strong aria-hidden="true">56.</strong> 06-11-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-10.html"><strong aria-hidden="true">57.</strong> 06-10-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-09.html"><strong aria-hidden="true">58.</strong> 06-09-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-08.html"><strong aria-hidden="true">59.</strong> 06-08-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-07.html"><strong aria-hidden="true">60.</strong> 06-07-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-06.html"><strong aria-hidden="true">61.</strong> 06-06-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-05.html"><strong aria-hidden="true">62.</strong> 06-05-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-04.html"><strong aria-hidden="true">63.</strong> 06-04-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-03.html"><strong aria-hidden="true">64.</strong> 06-03-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-02.html"><strong aria-hidden="true">65.</strong> 06-02-日刊</a></li><li class="chapter-item expanded "><a href="daily/2025-06/2025-06-01.html"><strong aria-hidden="true">66.</strong> 06-01-日刊</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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