mirror of https://github.com/sunface/rust-course
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144 lines
4.9 KiB
144 lines
4.9 KiB
var initAll = function () {
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var path = window.location.pathname;
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if (path.endsWith("/print.html")) {
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return;
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}
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var images = document.querySelectorAll("main img")
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Array.prototype.forEach.call(images, function (img) {
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img.addEventListener("click", function () {
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BigPicture({
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el: img,
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});
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});
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});
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// Un-active everything when you click it
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Array.prototype.forEach.call(document.getElementsByClassName("pagetoc")[0].children, function (el) {
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el.addEventHandler("click", function () {
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Array.prototype.forEach.call(document.getElementsByClassName("pagetoc")[0].children, function (el) {
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el.classList.remove("active");
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});
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el.classList.add("active");
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});
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});
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var updateFunction = function () {
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var id = null;
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var elements = document.getElementsByClassName("header");
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Array.prototype.forEach.call(elements, function (el) {
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if (window.pageYOffset >= el.offsetTop) {
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id = el;
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}
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});
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Array.prototype.forEach.call(document.getElementsByClassName("pagetoc")[0].children, function (el) {
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el.classList.remove("active");
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});
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Array.prototype.forEach.call(document.getElementsByClassName("pagetoc")[0].children, function (el) {
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if (id == null) {
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return;
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}
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if (id.href.localeCompare(el.href) == 0) {
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el.classList.add("active");
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}
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});
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};
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var pagetoc = document.getElementsByClassName("pagetoc")[0];
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var elements = document.getElementsByClassName("header");
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Array.prototype.forEach.call(elements, function (el) {
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var link = document.createElement("a");
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// Indent shows hierarchy
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var indent = "";
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switch (el.parentElement.tagName) {
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case "H1":
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return;
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case "H3":
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indent = "20px";
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break;
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case "H4":
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indent = "40px";
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break;
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default:
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break;
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}
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link.appendChild(document.createTextNode(el.text));
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link.style.paddingLeft = indent;
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link.href = el.href;
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pagetoc.appendChild(link);
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});
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updateFunction.call();
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// Handle active elements on scroll
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window.addEventListener("scroll", updateFunction);
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document.getElementById("theme-list").addEventListener("click", function (e) {
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var iframe = document.querySelector('.giscus-frame');
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if (!iframe) return;
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var theme;
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if (e.target.className === "theme") {
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theme = e.target.id;
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} else {
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return;
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}
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// 若当前 mdbook 主题不是 Light 或 Rust ,则将 giscuz 主题设置为 transparent_dark
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var giscusTheme = "light"
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if (theme != "light" && theme != "rust") {
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giscusTheme = "transparent_dark";
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}
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var msg = {
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setConfig: {
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theme: giscusTheme
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}
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};
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iframe.contentWindow.postMessage({ giscus: msg }, 'https://giscus.app');
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});
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pagePath = pagePath.replace("index.md", "");
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pagePath = pagePath.replace(".md", "");
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if (pagePath.length > 0) {
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if (pagePath.charAt(pagePath.length-1) == "/"){
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pagePath = pagePath.substring(0, pagePath.length-1)
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}
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}else {
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pagePath = "index"
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}
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// 选取浏览器默认使用的语言
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const lang = navigator.language || navigator.userLanguage
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// 若当前 mdbook 主题为 Light 或 Rust ,则将 giscuz 主题设置为 light
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var theme = "transparent_dark";
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const themeClass = document.getElementsByTagName("html")[0].className;
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if (themeClass.indexOf("light") != -1 || themeClass.indexOf("rust") != -1) {
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theme = "light"
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}
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var script = document.createElement("script")
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script.type = "text/javascript";
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script.src = "https://giscus.app/client.js";
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script.async = true;
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script.crossOrigin = "anonymous";
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script.setAttribute("data-repo", "sunface/rust-course");
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script.setAttribute("data-repo-id", "MDEwOlJlcG9zaXRvcnkxNDM4MjIwNjk=");
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script.setAttribute("data-category", "章节评论区");
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script.setAttribute("data-category-id", "DIC_kwDOCJKM9c4COQcP");
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script.setAttribute("data-mapping", "specific");
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script.setAttribute("data-term", pagePath);
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script.setAttribute("data-reactions-enabled", "1");
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script.setAttribute("data-emit-metadata", "0");
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script.setAttribute("data-input-position", "top");
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script.setAttribute("data-theme", theme);
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script.setAttribute("data-lang", lang);
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// 预先加载评论会更好,这样用户读到那边时,评论就加载好了
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// script.setAttribute("data-loading", "lazy");
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document.getElementById("giscus-container").appendChild(script);
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};
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window.addEventListener('load', initAll); |