library to load the jQuery, jQueryUI and TouchPunch JS from CDN only if it hasn't already, and create the menu
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.greasyfork.org/scripts/542049/1623295/AO3%3A%20Initialize%20jQueryUI.js
// ==UserScript==
// @name AO3: Initialize jQueryUI
// @namespace https://greasyfork.org/en/users/906106-escctrl
// @description library to load the jQuery, jQueryUI and TouchPunch JS from CDN only if it hasn't already, and create the menu
// @author escctrl
// @version 1.0
// @grant none
// @license MIT
// ==/UserScript==
// HOW TO USE:
// please refer to https://greasyfork.org/en/scripts/542049 for a full description how to use this library
/* global jQuery, $ */
'use strict';
// utility to reduce verboseness
const q = (selector, node=document) => node.querySelector(selector);
const qa = (selector, node=document) => node.querySelectorAll(selector);
function createMenu(id, heading) {
// if no other script has created it yet, write out a "Userscripts" option to the main navigation
if (qa('#scriptconfig').length === 0) {
qa('#header nav[aria-label="Site"] li.search')[0] // insert as last li before search
.insertAdjacentHTML('beforebegin', `<li class="dropdown" id="scriptconfig">
<a class="dropdown-toggle" href="/" data-toggle="dropdown" data-target="#">Userscripts</a>
<ul class="menu dropdown-menu"></ul></li>`);
}
// then add this script's config option to navigation dropdown
q('#scriptconfig .dropdown-menu').insertAdjacentHTML('beforeend', `<li><a href="javascript:void(0);" id="opencfg_${id}">${heading}</a></li>`);
}
function loadjQuery(URI) {
return new Promise((resolve, reject) => {
// based on https://stackoverflow.com/a/44807594
new Promise((resolve, reject) => {
const script = document.createElement('script');
document.head.appendChild(script);
script.onload = resolve;
script.onerror = reject;
script.async = true;
script.src = URI;
})
.then(() => resolve("success"))
.catch((err) => reject(err));
});
}
async function initGUI(e, id, heading, maxWidth) {
if (!q("head script[src*='/3.7.0/jquery.min.js']")) {
let loadSuccess = await loadjQuery('https://ajax.googleapis.com/ajax/libs/jquery/3.7.0/jquery.min.js');
if (loadSuccess !== "success") { console.debug("library has failed to load jQuery", loadSuccess); return false; }
}
if (!q("head script[src*='/1.13.2/jquery-ui.min.js']")) {
loadSuccess = await loadjQuery('https://ajax.googleapis.com/ajax/libs/jqueryui/1.13.2/jquery-ui.min.js');
if (loadSuccess !== "success") { console.debug("library has failed to load jQueryUI", loadSuccess); return false; }
loadSuccess = await loadjQuery('https://cdnjs.cloudflare.com/ajax/libs/jqueryui-touch-punch/0.2.3/jquery.ui.touch-punch.min.js');
if (loadSuccess !== "success") { console.debug("library has failed to load TouchPunch", loadSuccess); return false; }
}
// automatic darkmode if the background is dark (e.g. Reversi)
let theme = lightOrDark(getComputedStyle(q("body")).getPropertyValue("background-color"));
theme = theme == "dark" ? "dark-hive" : "base";
id = "#"+id;
// setting up the GUI CSS (only if no other script has created it yet)
if (!q("head link[href*='jquery-ui.css']")) {
q("head").insertAdjacentHTML('beforeend',`<link rel="stylesheet" href="https://code.jquery.com/ui/1.13.2/themes/${theme}/jquery-ui.css" type="text/css">`);
}
q("head").insertAdjacentHTML('beforeend',`<style type="text/css">/* jQueryUI stuff that's messed up by AO3 default skins */
.ui-widget, ${id}, .ui-dialog .ui-dialog-buttonpane button {font-size: revert !important; line-height: 1.286;}
${id} {
form, fieldset {border: revert; box-shadow: revert; background: revert; cursor:auto;}
ol { margin-left: 2em; li { list-style: decimal; } }
fieldset p { padding-left: 0; padding-right: 0; }
legend {font-size: inherit; height: auto; width: auto; opacity: inherit;}
label { margin: 0; }
select { vertical-align: baseline; }
.ui-sortable li { background-color: revert; border: revert; margin: 0; float: none; clear: none; box-shadow: revert; width: auto; display: inline-block; }
/* Toggle Switches (CSS) */
--switch-height: 1.5em;
--slider-size: calc(var(--switch-height) - 0.2em);
--slider-color: currentColor;
/* The switch - the box around the slider */
.switch { position: relative; bottom: 0.1em; display: inline-block; width: 3em; height: var(--switch-height); padding: 0; border-radius: 1em; }
/* Hide default HTML checkbox */
.switch input { opacity: 0; width: 0; height: 0; }
/* The slider */
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; -webkit-transition: .4s; transition: .4s; }
.slider:before { position: absolute; content: ""; height: var(--slider-size); width: var(--slider-size); left: 0.2em; bottom: 0.1em;
background-color: var(--slider-color); -webkit-transition: .4s; transition: .4s; }
input:checked + .slider { }
input:focus + .slider { }
input:checked + .slider:before { -webkit-transform: translateX(var(--slider-size)); -ms-transform: translateX(var(--slider-size)); transform: translateX(var(--slider-size)); }
/* Rounded sliders */
.slider.round { border-radius: 1em; }
.slider.round:before { border-radius: 50%; }
}</style>`);
// wrapper div for the dialog
$("body").append(`<div id="${id.slice(1)}"></div>`);
let dialogwidth = parseInt($("body").css("width"));
dialogwidth = dialogwidth > maxWidth ? maxWidth : dialogwidth * 0.9;
$(id).dialog({
appendTo: "#main",
modal: true,
title: heading,
draggable: false,
resizable: false,
autoOpen: false,
width: dialogwidth,
position: {my:"center", at: "center top", of: window},
});
// event listener for reopening the dialog on subsequent menu clicks (without recreating the whole GUI)
e.target.addEventListener("click", function(e) { $( id ).dialog('open'); });
// if the window resizes the dialog would move off of the screen
window.addEventListener('resize', function(e) {
let dialogwidth = parseInt($("body").css("width")); // get the new browser width
dialogwidth = dialogwidth > maxWidth ? maxWidth : dialogwidth * 0.9;
$(id).dialog("option", "width", dialogwidth) // resize the dialog
.dialog("option", "position", {my:"center top", at: "center top", of: window} ); // reposition the dialog
});
return $(id);
}
// helper function to determine whether a color (the background in use) is light or dark
// https://awik.io/determine-color-bright-dark-using-javascript/
function lightOrDark(color) {
var r, g, b, hsp;
if (color.match(/^rgb/)) { color = color.match(/^rgba?\((\d+),\s*(\d+),\s*(\d+)(?:,\s*(\d+(?:\.\d+)?))?\)$/);
r = color[1]; g = color[2]; b = color[3]; }
else { color = +("0x" + color.slice(1).replace(color.length < 5 && /./g, '$&$&'));
r = color >> 16; g = color >> 8 & 255; b = color & 255; }
hsp = Math.sqrt( 0.299 * (r * r) + 0.587 * (g * g) + 0.114 * (b * b) );
if (hsp>127.5) { return 'light'; } else { return 'dark'; }
}