WikiView: AQW Link Preview

Adds image previews for links on the official AQW Wiki, AQW character pages, and AQW account management.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name            WikiView: AQW Link Preview
// @namespace       https://github.com/biglavis/
// @version         2.0.5
// @description     Adds image previews for links on the official AQW Wiki, AQW character pages, and AQW account management.
// @match           http://aqwwiki.wikidot.com/*
// @match           https://account.aq.com/CharPage?id=*
// @match           https://account.aq.com/AQW/Inventory
// @match           https://account.aq.com/AQW/BuyBack
// @match           https://account.aq.com/AQW/WheelProgress
// @match           https://account.aq.com/AQW/House
// @exclude         http://aqwwiki.wikidot.com/book-of-lore-badges
// @exclude         http://aqwwiki.wikidot.com/character-page-badges
// @require         https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js
// @icon            https://www.aq.com/favicon.ico
// @license         MIT
// ==/UserScript==

// prevent jQuery conflicts between script and site
var $ = window.jQuery.noConflict(true);

var mousePos = { x: -1, y: -1 };
$(document).mousemove(function(event) {
    mousePos.x = event.clientX;
    mousePos.y = event.clientY;
});

var mouseHover = false; // flag to prevent spam
var controller = null;
var timeout = null;

// wiki links; char page
$("#page-content a, .card.m-2.m-lg-3 a").on({
    mouseover: function() { hovered(this.href); },
    mouseout: function() { unhovered(); }
});

// acct mgmt inventory; wiki recent changes
$("#inventoryRendered, #site-changes-list").on("mouseover", function() {
    $(this).find("a").on({
        mouseover: function() { hovered(this.href); },
        mouseout: function() { unhovered(); }
    });
});

// acct mgmt inventory, wheel, house
$("#listinvFull, #wheel, table.table.table-sm.table-bordered").on("mouseover", function() {
    $(this).find("tbody td:first-child").on({
        mouseover: function() { hovered("http://aqwwiki.wikidot.com/" + this.textContent.split(/\sx\d+/)[0]); },
        mouseout: function() { unhovered(); }
    });
});

// acct mgmt buyback
$("#listinvBuyBk2").on("mouseover", function() {
    $(this).find("tbody td:nth-child(2)").on({
        mouseover: function() { hovered("http://aqwwiki.wikidot.com/" + this.textContent); },
        mouseout: function() { unhovered(); }
    });
});

function hovered(link) {
    if (!mouseHover) {
        mouseHover = true;
        controller = new AbortController();

        // show preview if hovered for 100ms
        timeout = setTimeout(function() {
            showPreview(link, controller.signal);
        }, 100);
    }
}

function unhovered() {
    clearTimeout(timeout);
    mouseHover = false;
    controller.abort();
    removePreview();
}

async function fetchParse(url, signal) {
    const response = await fetch(url, { signal });
    const html = await response.text();

    const template = document.createElement('template');
    template.innerHTML = html; // parses HTML fragment, avoids DOMParser breaking page CSS in FireFox

    return template.content;
}

async function wikimg(url, signal) {
    if (!url.startsWith("http://aqwwiki.wikidot.com/")) return;

    if (window.location.hostname !== "aqwwiki.wikidot.com") {
        url = "https://api.codetabs.com/v1/proxy?quest=" + url; // use proxy to bypass CORS
    }

    // fetch and parse
    const doc = await fetchParse(url, signal).catch(() => undefined);
    if (!doc) {
        return;
    }

    // get page type
    const type = $(doc).find("#breadcrumbs > a:last").text();

    // get images
    switch (type) {
        case "AQWorlds Wiki":
            if ($(doc).find("#page-content span:first").text().includes("usually refers to")) {
                for (let link of $(doc).find("#page-content a")) {
                    var images = await wikimg("http://aqwwiki.wikidot.com" + $(link).attr("href"));
                    if (images) {
                        return images;
                    }
                }
            }
            return;

        case "World":
        case "Events":
        case "Factions":
        case "Game Menu":
        case "Quests":
        case "Shops":
        case "Hair Shops":
        case "Merge Shops":
        case "Enhancements":
            return;

        case "Book of Lore Badges":
        case "Character Page Badges":
            var image = $(doc).find("#page-content img:last");
            if (image.length) {
                return [image.prop("src")];
            }
            return;

        case "Classes":
        case "Armors":
            var image0 = $(doc).find("#wiki-tab-0-0:last img:first");
            var image1 = $(doc).find("#wiki-tab-0-1:last img:first");

            if (image0.length && image1.length) {
                return [image0.prop("src"), image1.prop("src")]
            }

        default:
            var image = $(doc).find("#page-content > img:last");
            if (image.length && !image.prop("src").includes("image-tags")) {
                return [image.prop("src")];
            }

            for (image of $(doc).find("#wiki-tab-0-0 img").toArray()) {
                if (!$(image).prop("src").includes("image-tags")) {
                    return [$(image).prop("src")];
                }
            }

            for (image of $(doc).find("#page-content > .collapsible-block img").toArray()) {
                if (!$(image).prop("src").includes("image-tags")) {
                    return [$(image).prop("src")];
                }
            }
    }
}

function showPreview(url, signal) {
    $("body").append('<div id="preview" style="position:fixed; display:flex"></div>');

    const maxwidth = $(window).width() * 0.45;
    const maxheight = $(window).height() * 0.65;

    // get images
    wikimg(url, signal).then((images) => {

        // return if no images found
        if (!images) return;

        // add images to new div
        images.forEach(src => {
            if (images.length === 1) {
                $("#preview").append(`<img style="max-width:${maxwidth}px; max-height:${maxheight}px; height:auto; width:auto;" src="${src}">`);
            } else {
                $("#preview").append(`<img style="height:${maxheight}px;" src="${src}">`);
            }
        });

        // wait for images to load
        waitForImagesToLoad("#preview img").then(() => {

            // scale images down if div width > max width
            const scale = Math.min(1, maxwidth / $("#preview").width());

            $("#preview img").each(function() {
                this.style.height = this.offsetHeight * scale + "px";
            });

            // position div
            $("#preview").css("top", mousePos.y - (mousePos.y / $(window).height()) * $("#preview").height() + "px");
            if (mousePos.x < $(window).width() / 2) {
                $("#preview").css("left", mousePos.x + Math.min(100, $(window).width() - $("#preview").width() - mousePos.x) + "px");
            } else {
                $("#preview").css("right", $(window).width() - mousePos.x + Math.min(100, mousePos.x - $("#preview").width()) + "px");
            }
        });
    })
}

function removePreview() {
    $("#preview").remove();
}

function waitForImagesToLoad(selector) {
  const imagePromises = $(selector).toArray().map(img => {

    // if the image is already complete, resolve immediately
    if (img.complete) {
      return Promise.resolve();
    }

    // else, wait for load or error
    return new Promise((resolve) => {
      img.addEventListener('load', resolve, { once: true });
      img.addEventListener('error', resolve, { once: true });
    });
  });

  return Promise.all(imagePromises);
}