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javascript.js
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javascript.js
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var menuIsOpen = false;
window.addEventListener('resize', sizeChanged);
document.addEventListener('DOMContentLoaded', function () {
updateProgressBarAndFadeIn();
createRightSidebar();
createImageHandlers();
markActivePage();
});
window.onscroll = updateProgressBarAndFadeIn;
document.addEventListener('keydown', (e) => {
if (e.code === "ArrowRight") {
window.open(document.getElementById("next").href, "_self")
}
else if (e.code === "ArrowLeft") {
window.open(document.getElementById("previous").href, "_self")
}
});
function sizeChanged() {
var sidebar = document.getElementsByClassName("left-sidebar");
if (sidebar && sidebar.length > 0) {
if (document.documentElement.clientWidth > 760) {
document.getElementsByClassName("left-sidebar")[0].style.width = "";
}
}
}
function toggleNav() {
var sidbear = document.getElementsByClassName("sidebar left-sidebar")[0];
if (sidbear.style.width == 0) {
sidbear.style.width = "75%";
globalThis.menuIsOpen = true;
}
else {
sidbear.style.width = "";
globalThis.menuIsOpen = false;
}
}
function fadeOut(element) {
element.style.opacity = "0%";
}
function rotate(element, rotation = 180) {
element.style.transform = 'rotatex(' + rotation + 'deg)';
}
function expandCard(thisObj, $open, $dontReset) {
const chevron = thisObj.getElementsByClassName("chevron")[0]
if ($open.classList.contains('expander-opened') && !$dontReset) {
rotate(chevron, 0)
$open.classList.remove('expander-opened');
setTimeout(() => $open.style.display = "none", 400);
thisObj.classList.remove('active');
}
else {
$open.classList.add('expander-opened');
rotate(chevron, 180);
$open.style.display = "block";
thisObj.classList.add('active');
}
}
function emToPixels(em) {
const baseFontSize = parseFloat(getComputedStyle(document.documentElement).fontSize);
return em * baseFontSize;
}
function updateProgressBarAndFadeIn() {
var sections = document.getElementsByClassName("section");
var winScroll = document.body.scrollTop || document.documentElement.scrollTop;
var height = window.innerHeight;
if (sections) {
for (var i = 0; i < sections.length; i++) {
var sectionTop = sections[i].getBoundingClientRect().top;
var sectionHeight = sections[i].clientHeight;
if (sectionTop < height && sectionTop + sectionHeight > 0) {
sections[i].classList.add("fade-in");
}
}
}
var progressBar = document.getElementsByClassName("progress-bar")[0];
if (progressBar) {
height = document.documentElement.scrollHeight - document.documentElement.clientHeight;
var scroll = (winScroll / height);
var bottomMargin = (height - 25) / height;
progressBar.style.width = scroll * 100 + "%";
}
var sidebars = document.getElementsByClassName("sidebar");
if (sidebars) {
var styleVal = "calc(100vh - 6.25em)";
if (document.documentElement.clientHeight > 900 && scroll > bottomMargin) {
styleVal = "calc(100vh - 8.5em)";
}
for (var i = 0; i < sidebars.length; i++) {
sidebars[i].style.height = styleVal;
}
}
}
function createRightSidebar() {
const content = document.getElementsByClassName('content')[0];
if (!content)
return;
const sections = content.getElementsByClassName('section');
if (!sections)
return;
var sidebarContent = document.getElementById('sidebarContent');
if (!sidebarContent)
return;
for (var i = 0; i < sections.length; i++) {
var section = sections[i];
const headers = section.querySelectorAll('h2');
const cards = section.querySelectorAll('.card');
headers.forEach(header => {
if (!header.innerHTML || header.innerHTML.length == 0)
return;
// Create the section div
const sectionDiv = document.createElement('div');
sidebarContent.appendChild(sectionDiv);
// Create the header link
const bold = document.createElement('b');
sectionDiv.appendChild(bold);
const separator = document.createElement('a');
separator.href = `#${section.id}`;
separator.textContent = header.innerHTML;
bold.appendChild(separator);
// Create section links
cards.forEach(card => {
var text;
const title = card.getAttribute('title');
if (title && title.length > 0) {
text = title;
}
else {
text = card.id.replace(/([A-Z])/g, ' $1').trim();
}
if (!text || text.length == 0) {
return;
}
const cardId = card.id;
const cardLink = document.createElement('a');
cardLink.href = `#${cardId}`;
cardLink.textContent = text;
sectionDiv.appendChild(cardLink);
})
});
};
};
function markActivePage() {
const leftSidebar = document.querySelector(".sidebar.left-sidebar");
if (!leftSidebar)
return;
const sidebarLinks = leftSidebar.querySelectorAll(".sidebar a");
if (!sidebarLinks)
return;
const currentPage = "./" + window.location.pathname.split("/").pop();
let currentIndex = -1;
// Loop through the links to find the current page index
sidebarLinks.forEach((link, index) => {
const linkPage = link.getAttribute("href");
if (linkPage === currentPage) {
link.classList.add("active");
currentIndex = index;
if (link.classList.contains("sublink")){
link.setAttribute('style', 'display:flex !important');
}
}
});
const allowedPageLinks = leftSidebar.querySelectorAll(".pageLinks");
if (allowedPageLinks) {
let linkCount = 0;
for (let i = 0; i < allowedPageLinks.length; i++) {
linkCount += allowedPageLinks[i].children.length;
}
if (currentIndex > linkCount - 1)
currentIndex = -1;
createPageArrows(currentIndex);
}
}
function createPageArrows(currentIndex) {
const linkSections = document.querySelectorAll(".pageLinks");
if (!linkSections)
return;
const prevLink = document.getElementById("previous");
const nextLink = document.getElementById("next");
let sidebarLinks = [];
for (let i = 0; i < linkSections.length; i++) {
var list = linkSections[i].querySelectorAll(".sidebar a");
for (let j = 0; j < list.length; j++) {
sidebarLinks.push(list[j]);
}
}
// Set the previous and next links if the current page is found
// Otherwise default to the home page
if (currentIndex !== -1) {
if (prevLink) {
if (currentIndex > 0) {
const prevPage = sidebarLinks[currentIndex - 1];
prevLink.href = prevPage.getAttribute("href");
prevLink.querySelector(".arrowText").textContent = prevPage.textContent.trim();
} else {
prevLink.style.display = "none";
}
}
if (nextLink) {
if (currentIndex < sidebarLinks.length - 1) {
const nextPage = sidebarLinks[currentIndex + 1];
nextLink.href = nextPage.getAttribute("href");
nextLink.querySelector(".arrowText").textContent = nextPage.textContent.trim();
} else {
nextLink.style.display = "none";
}
}
}
else if (prevLink) {
console.log("Current page not found in sidebar links");
const prevPage = sidebarLinks[0];
prevLink.href = prevPage.getAttribute("href");
prevLink.querySelector(".arrowText").textContent = prevPage.textContent.trim();
}
}
function createImageHandlers() {
const overlay = document.getElementById('image-overlay');
const enlargedImage = document.getElementById('enlarged-image');
if (!enlargedImage || !overlay)
return;
const images = document.querySelectorAll('.content-img');
if (!images)
return;
images.forEach(image => {
image.addEventListener('click', function () {
overlay.style.display = "flex";
enlargedImage.src = this.src;
});
});
overlay.addEventListener('click', function () {
overlay.style.display = "none";
enlargedImage.src = '';
});
}
function isChildOfSidebar(element) {
while (element) {
if (element.classList && element.classList.contains('sidebar') && element.classList.contains('left-sidebar')) {
return true;
}
element = element.parentElement;
}
return false;
}
document.addEventListener('click', function (event) {
if (globalThis.menuIsOpen) {
const target = event.target;
if (target.id != "navButton" && isChildOfSidebar(target) == false) {
toggleNav();
}
}
});
const registerServiceWorker = async () => {
if ("serviceWorker" in navigator) {
try {
const registration = await navigator.serviceWorker.register("./service-worker.js", {
scope: "/",
});
if (registration.installing) {
console.log("Service worker installing");
} else if (registration.waiting) {
console.log("Service worker installed");
} else if (registration.active) {
console.log("Service worker active");
}
} catch (error) {
console.error(`Registration failed with ${error}`);
}
}
};
registerServiceWorker();