AO3: Initialize jQueryUI

library to load the jQuery, jQueryUI and TouchPunch JS from CDN only if it hasn't already, and create the menu

Αυτός ο κώδικας δεν πρέπει να εγκατασταθεί άμεσα. Είναι μια βιβλιοθήκη για άλλους κώδικες που περιλαμβάνεται μέσω της οδηγίας meta // @require https://update.greasyfork.org/scripts/542049/1623295/AO3%3A%20Initialize%20jQueryUI.js

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==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'; }
}