File: /home/ic3/domains/ic3.info/public_html/wp-content/plugins/foxtool/link/toc/foxtoc.js
document.addEventListener("DOMContentLoaded", function () {
const tocMain = document.querySelector(".ft-toc-main");
if (!tocMain) return;
const tocList = document.getElementById("ft-toc-list");
const tocTitHi = document.querySelector(".ft-toc-tit-hi");
const articleContent = document.getElementById("ft-toc");
const tocClose = document.querySelector(".ft-toc-close");
const tocPlaceholder = document.querySelector(".ft-toc-placeholder");
const headingsSelector = tocPlaceholder.getAttribute("data-h");
const headingsnumber = tocPlaceholder.getAttribute("data-on");
const headingsicon = tocPlaceholder.getAttribute("data-ico");
if (!headingsSelector) return;
const headings = articleContent.querySelectorAll(headingsSelector);
if (headings.length === 0) {
tocMain.style.display = 'none';
return;
}
// Thiết lập đối tượng để xác định level
const headingLevels = Array.from(new Set(Array.from(headings).map(h => h.tagName))).sort();
const levelsMap = headingLevels.reduce((acc, tag, index) => {
acc[tag] = index;
return acc;
}, {});
//
let counters = Array(headingLevels.length).fill(0);
let headingLinks = [];
let ItemList = [];
function convertToSlug(text) {
text = text.normalize("NFD").replace(/[\u0300-\u036f]/g, "");
text = text.toLowerCase().replace(/[^a-z\s]/g, "").replace(/\s+/g, "-");
text = text.replace(/^-+|-+$/g, "");
return text;
}
const usedIds = {};
headings.forEach((heading, index) => {
if (heading.textContent.trim() === "") return;
if (heading.textContent === "Table of Contents") return;
// Lấy level dựa trên thẻ tiêu đề
const level = levelsMap[heading.tagName];
counters[level]++;
counters.fill(0, level + 1);
//
let baseId = convertToSlug(heading.textContent.trim());
let uniqueId = baseId;
let count = 1;
while (usedIds[uniqueId]) {
uniqueId = `${baseId}-${count}`;
count++;
}
usedIds[uniqueId] = true;
heading.id = uniqueId;
//
const indent = counters.slice(0, level + 1).filter(num => num > 0).join(".");
const listItem = document.createElement("li");
listItem.classList.add(`ft-toc-level-${level + 1}`);
const link = document.createElement("a");
link.href = `#${heading.id}`;
const span = document.createElement("span");
if (headingsnumber === "on") {
span.textContent = `${indent}. ${heading.textContent}`;
} else {
span.textContent = `${heading.textContent}`;
}
link.appendChild(span);
listItem.appendChild(link);
tocList.appendChild(listItem);
headingLinks.push({ link: link, heading: heading });
ItemList.push({
"@type": "ListItem",
"position": index + 1,
"name": heading.textContent,
"item": window.location.href.split("#")[0] + `#${heading.id}`
});
link.addEventListener("click", function (event) {
event.preventDefault();
const targetHeading = document.querySelector(this.getAttribute("href"));
const offset = 50;
const elementPosition = targetHeading.getBoundingClientRect().top;
const offsetPosition = elementPosition + window.pageYOffset - offset;
window.scrollTo({
top: offsetPosition,
behavior: "smooth"
});
targetHeading.classList.add("ft-toc-light");
setTimeout(() => {
targetHeading.classList.remove("ft-toc-light");
}, 1000);
});
});
const jsonLdScript = document.createElement("script");
jsonLdScript.type = "application/ld+json";
jsonLdScript.textContent = JSON.stringify({
"@context": "https://schema.org",
"@type": "ItemList",
"itemListElement": ItemList
});
document.head.appendChild(jsonLdScript);
window.tocclose = function () {
if (tocMain.classList.contains("ft-toc-main-open")) {
tocMain.classList.remove("ft-toc-main-open");
} else {
tocMain.classList.add("ft-toc-main-open");
}
};
document.addEventListener("click", function (event) {
if (!tocMain.contains(event.target) && tocMain.classList.contains("ft-toc-main-open")) {
tocMain.classList.remove("ft-toc-main-open");
}
});
tocMain.addEventListener("click", function (event) {
event.stopPropagation();
});
function highlightCurrentHeading() {
let currentHeading = null;
for (const { link, heading } of headingLinks) {
const rect = heading.getBoundingClientRect();
if (rect.top >= 0 && rect.top <= window.innerHeight) {
currentHeading = link;
break;
}
}
headingLinks.forEach(({ link }) => {
link.classList.remove("active-toc-link");
});
if (currentHeading) {
currentHeading.classList.add("active-toc-link");
}
const tocRect = articleContent.getBoundingClientRect();
tocMain.style.display = tocRect.bottom > 0 ? 'block' : 'none';
tocClose.style.display = tocRect.bottom > 0 ? 'flex' : 'none';
if (tocPlaceholder) {
const nftoc = tocPlaceholder.offsetHeight;
const oftoc = tocPlaceholder.getBoundingClientRect().top + window.pageYOffset;
if ((window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop) > oftoc + nftoc) {
tocPlaceholder.style.height = nftoc + "px";
if (!headingsicon || headingsicon !== "off") {
tocMain.classList.add("ft-toc-main-vuot");
}
} else {
tocPlaceholder.style.height = "auto";
if (!headingsicon || headingsicon !== "off") {
tocMain.classList.remove("ft-toc-main-vuot");
tocClose.style.display = 'none';
}
}
}
}
highlightCurrentHeading();
document.addEventListener("scroll", function () {
highlightCurrentHeading();
});
let foxiconan = '<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 1024 1024"><path fill="currentColor" d="M104.704 338.752a64 64 0 0 1 90.496 0l316.8 316.8l316.8-316.8a64 64 0 0 1 90.496 90.496L557.248 791.296a64 64 0 0 1-90.496 0L104.704 429.248a64 64 0 0 1 0-90.496"/></svg>';
let foxiconhien = '<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" viewBox="0 0 1024 1024"><path fill="currentColor" d="M104.704 685.248a64 64 0 0 0 90.496 0l316.8-316.8l316.8 316.8a64 64 0 0 0 90.496-90.496L557.248 232.704a64 64 0 0 0-90.496 0L104.704 594.752a64 64 0 0 0 0 90.496"/></svg>';
function initTocIcon() {
const isTocListHidden = getComputedStyle(tocList).display === "none";
if (isTocListHidden) {
tocTitHi.classList.add("ft-toc-tit-hi-active");
tocTitHi.innerHTML = foxiconan;
} else {
tocTitHi.classList.remove("ft-toc-tit-hi-active");
tocTitHi.innerHTML = foxiconhien;
}
}
function toclisthi() {
if (getComputedStyle(tocList).display === "none") {
tocList.style.display = "block";
tocTitHi.classList.remove("ft-toc-tit-hi-active");
tocTitHi.innerHTML = foxiconhien;
} else {
tocList.style.display = "none";
tocTitHi.classList.add("ft-toc-tit-hi-active");
tocTitHi.innerHTML = foxiconan;
}
}
window.onload = function() {
initTocIcon();
};
if (tocTitHi) {
tocTitHi.addEventListener("click", function () {
toclisthi();
});
}
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