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Adds image previews for links on the official AQW Wiki
// ==UserScript==
// @name AQW Wiki Link Preview
// @description Adds image previews for links on the official AQW Wiki
// @namespace Lamp
// @license GNU GPLv3
// @include *aqwwiki.wikidot.com/*
// @include *wqa.wikidot.com/*
// @version 2.0.1
// ==/UserScript==
let currentMousePos = { x: -1, y: -1 };
let hoverTimeout = null;
let lastHoveredElement = null;
document.addEventListener("mousemove", (event) => {
currentMousePos.x = event.pageX;
currentMousePos.y = event.pageY;
});
const excludedTerms = [
"image-tags",
"classes-skills",
"AQWPassive",
"quantserve",
"statcounter",
"avatar.php"
];
function isNotHidden(img) {
let currentElement = img.parentElement;
while (currentElement) {
const inlineStyle = currentElement.getAttribute("style");
if (inlineStyle && inlineStyle.includes("display:none")) {
return false;
}
currentElement = currentElement.parentElement;
}
return true;
}
function isValidImageElement(img) {
const src = img.getAttribute("src");
if (!src || excludedTerms.some(term => src.includes(term))) {
return false;
}
return true;
}
async function fetchAndParse(url) {
const response = await fetch(url);
const text = await response.text();
const parser = new DOMParser();
const doc = parser.parseFromString(text, "text/html");
return doc;
}
function extractImages(doc) {
const images = [];
const hasFemale = Array.from(doc.querySelectorAll("em")).some(em => em.textContent.trim() === "Female");
if (hasFemale) {
const maleContainers = doc.querySelectorAll("#wiki-tab-0-0");
const femaleContainers = doc.querySelectorAll("#wiki-tab-0-1");
let maleImage = null;
let femaleImage = null;
for (const maleContainer of maleContainers) {
const img = maleContainer.querySelector("img");
if (isValidImageElement(img)) {
maleImage = img;
break;
}
}
for (const femaleContainer of femaleContainers) {
const img = femaleContainer.querySelector("img");
if (isValidImageElement(img)) {
femaleImage = img;
break;
}
}
if (maleImage) {
images.push(maleImage.getAttribute("src"));
}
if (femaleImage) {
images.push(femaleImage.getAttribute("src"));
}
}
if (images.length === 0) {
const allImages = Array.from(doc.querySelectorAll("img"));
for (const img of allImages) {
if (isValidImageElement(img) && isNotHidden(img)) {
images.push(img.getAttribute("src"));
break;
}
}
}
return images;
}
function createPreviewElement(images) {
const preview = document.createElement("div");
preview.id = "preview";
preview.style.position = "absolute";
preview.style.zIndex = "9999";
preview.style.backgroundColor = "transparent";
preview.style.display = "flex";
let maxHeight = "400px";
if (images.length === 2) {
maxHeight = "600px";
preview.style.width = "auto";
}
images.forEach((src) => {
const img = document.createElement("img");
img.src = src;
img.style.maxHeight = maxHeight;
img.style.display = "block";
preview.appendChild(img);
});
return preview;
}
function removeAllPreviews() {
document.querySelectorAll("#preview").forEach(preview => preview.remove());
if (hoverTimeout) {
clearTimeout(hoverTimeout);
hoverTimeout = null;
}
lastHoveredElement = null;
}
document.addEventListener("mouseenter", (event) => {
if (event.target.matches("a.item, div.item > div > a, div.title > a, div.list-pages-item > p > a, div.collapsible-block-content > a, div.collapsible-block-content > p > a, div.yui-content > div > a, div.yui-content > div > p > a, div.list-pages-box > p > a, #page-content > ul > li > a, #page-content > ul > li > span > a, #page-content > ul > li > ul > li > a, div.yui-content > div > ul > li > ul > li > a, #page-content > a, #page-content > p > a, tr > td > a, .yui-content > div > ul > li > a")) {
removeAllPreviews();
const url = event.target.href;
lastHoveredElement = event.target;
hoverTimeout = setTimeout(async () => {
if (lastHoveredElement !== event.target) return;
const doc = await fetchAndParse(url);
const images = extractImages(doc);
const preview = createPreviewElement(images);
document.body.appendChild(preview);
preview.style.top = `${currentMousePos.y - 200}px`;
preview.style.left = `${currentMousePos.x + 100}px`;
const removePreview = () => removeAllPreviews();
event.target.addEventListener("mouseleave", removePreview, { once: true });
preview.addEventListener("mouseleave", removePreview, { once: true });
}, 250);
}
}, true);