Custom Background

Script for adding a custom background to the Pianoverse!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Custom Background
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Script for adding a custom background to the Pianoverse!
// @author       Hustandant
// @match        https://pianoverse.net/*
// @icon         https://avatars.githubusercontent.com/u/84928386
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    window.onload = function () {
        if(localStorage.getItem("background") === null)
            localStorage.setItem("background", JSON.stringify({show: true, url: "", location: "center", size: "cover"}));

        const backgroundWindow = document.createElement("div");
        backgroundWindow.classList.add("pv-background");
        document.body.appendChild(backgroundWindow);

        document.querySelector(".pv-background").innerHTML = `
             <dialog class="popup" modal>
                  <div class="header">
                       <div class="title">
                            <i class="fa fa-file-image"></i> Custom background
                       </div>
                       <div class="x">
                            <i class="fas fa-xmark"></i>
                       </div>
                  </div>
                  <div class="content">
                       <div class="container">
                            <div class="field">
                                 <label>Show custom background</label>
                                 <label class="toggle">
                                      <input type="checkbox" class="show-background" checked>
                                      <span class="slider"></span>
                                 </label>
                            </div>
                            <div class="field">
                                 <label><i class="fa-solid fa-link"></i> Background URL</label>
                                 <input class="input" id="background-input" type="text" placeholder="https://example/image.png">
                            </div>
                            <div class="field">
                                 <label><i class="fa-solid fa-map-pin"></i> Background position</label>
                                 <select class="background-position">
                                      <option value="center">Center</option>
                                      <option value="top">Top</option>
                                      <option value="bottom">Bottom</option>
                                 </select>
                            </div>
                            <div class="field">
                                 <label><i class="fa-solid fa-expand"></i> Background size</label>
                                 <select class="background-size">
                                      <option value="cover">Cover</option>
                                      <option value="auto">Auto</option>
                                      <option value="contain">Contain</option>
                                 </select>
                            </div>
                       </div>
                  <div class="footer"><hr>
                  <label>For questions, contact <a href="https://discordapp.com/users/709787711522996286/" target="_blank">Hustandant</a> in Discord</label><br>
                  <label>Custom Background (1.0)</label>
                  </div>
             </div>
        </dialog>`;

        const background = document.querySelector(".bg-canvas");
        const parent = document.querySelector("pv-header .right");
        const theme = document.querySelector("pv-header .mode");
        const backgroundButton = document.createElement("div");
        const icon = document.createElement("i");
        const showBackground = document.querySelector(".pv-background .show-background");
        const input = document.querySelector(".pv-background #background-input");
        const backgroundPosition = document.querySelector(".pv-background .background-position");
        const backgroundSize = document.querySelector(".pv-background .background-size");
        const closeBackgroundWindow = document.querySelector(".pv-background .x");

        backgroundButton.classList.add("background", "icon");
        backgroundButton.ariaLabel = "Background";
        backgroundButton.setAttribute("data-tooltip", "Background");

        icon.classList.add("fa", "fa-file-image");

        backgroundButton.append(icon);

        parent.insertBefore(backgroundButton, theme);

        input.value = readData().url;
        backgroundPosition.value = readData().location;
        backgroundSize.value = readData().size;
        showBackground.checked = readData().show;

        background.style.backgroundRepeat = "no-repeat";
        background.style.backgroundSize = backgroundSize.value;
        background.style.backgroundPosition = backgroundPosition.value;
        background.style.backgroundImage = showBackground.checked ? `url(${input.value})` : "url('')";

        input.addEventListener("change", function () {
            let settings = readData();

            settings.url = this.value;

            if(showBackground.checked) {
                background.style.backgroundImage = `url(${this.value})`;
            }

            saveData(settings)
        });

        showBackground.addEventListener("change", function () {
            let settings = readData();

            settings.show = this.checked;
            background.style.backgroundImage = this.checked ? `url(${input.value})` : "";

            saveData(settings);
        });

        backgroundPosition.addEventListener("change", function () {
            let settings = readData();

            settings.location = this.value;
            background.style.backgroundPosition = this.value;

            saveData(settings);
        });

        backgroundSize.addEventListener("change", function () {
            let settings = readData();

            settings.size = this.value;
            background.style.backgroundSize = this.value;

            saveData(settings);
        });

        backgroundButton.addEventListener("click", function () {
            document.querySelector(".pv-background dialog").showModal();
        });

        closeBackgroundWindow.addEventListener("click", function () {
            let popup = document.querySelector(".pv-background dialog");

            popup.setAttribute("closing", "");
            popup.addEventListener("animationend", ( () => {
                popup.removeAttribute("closing");
                popup.close();
            }), {
                once: !0
            });
        });

        function readData() {
            return JSON.parse(localStorage.getItem("background"));
        }

        function saveData(settings) {
            localStorage.setItem("background", JSON.stringify(settings));
        }
   }
})();