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AO3: Initialize webix GUI

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

当前为 2025-06-28 提交的版本，查看 最新版本。

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.cn-greasyfork.org/scripts/541008/1615450/AO3%3A%20Initialize%20webix%20GUI.js 

// ==UserScript==
// @name         AO3: Initialize webix GUI
// @namespace    https://greasyfork.org/en/users/906106-escctrl
// @description  library to load the webix JS from CDN only if it hasn't already, and create the menu
// @author       escctrl
// @version      0.2
// @require      https://update.greasyfork.org/scripts/491888/1355841/Light%20or%20Dark.js
// @grant        none
// @license      MIT
// ==/UserScript==

/* call this library with createMenu(id, heading, theme, views)
   id ......... config GUI ID chosen for the modal/popup
   heading .... title that appears in the Menu and on the modal/popup
   maxWidth ... for wide screens define the max with of the modal/popup
   views ...... array[] of all [view_id]s that need to be styled (components: window, colorselect)
 */

/* global webix, $$, lightOrDark */
'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>`);
}

async function loadWebix() {
    if (typeof webix !== "undefined") { console.debug('webix is already loaded'); return true; }
    else {
        // 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 = 'https://cdn.jsdelivr.net/npm/[email protected]/webix.min.js';
        })
        .then(() => { console.debug("script has loaded webix successfully"); return true; })
        .catch(() => { console.debug("script has failed to load webix"); return false; });
    }
}

async function initGUI(e, id, heading, maxWidth, views) {
    let loadSuccess = await loadWebix(); // if it fails to load, there's no point in continuing GUI setup

    if (loadSuccess) {
        // setting up the GUI CSS (only if no other script has created it yet)
        if (!q("head link[href*='webix.min.css']")) {
            q("head").insertAdjacentHTML('beforeend',`<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/webix.min.css" type="text/css">`);
            q("head").insertAdjacentHTML('beforeend',`<style type="text/css">/* webix stuff that's messed up by AO3 default skins */
                .webix_view {
                    label { margin-right: unset; }
                    button { box-shadow: unset; }
                }</style>`);
        }

        // automatic darkmode if the background is dark (e.g. Reversi)
        let theme = lightOrDark(getComputedStyle(q("body")).getPropertyValue("background-color"));
        if (theme === "dark") {
            views = views.map(function() { return `.webix_view.darkmode[view_id="${this}"]`; }).join(', ');
            console.debug("view_ids:" + views);

            q("head").insertAdjacentHTML('beforeend',`<style type="text/css">/* switching webix colors to a dark mode if AO3 is dark */
            ${views} {
                --text-on-dark: #ddd;
                --handles-on-dark: #bbb;
                --highlight-on-dark: #0c6a82;
                --background-dark: #222;
                --border-on-dark: #555;
                --no-border: transparent;
                --button-dark: #333;

                background-color: var(--background-dark);
                color: var(--text-on-dark);
                border-color: var(--border-on-dark);

                &.webix_popup { border: 1px solid var(--border-on-dark); }
                .webix_win_head { border-bottom-color: var(--border-on-dark); }
                .webix_icon_button:hover::before { background-color: var(--highlight-on-dark); }

                .webix_view.webix_form, .webix_view.webix_header, .webix_win_body>.webix_view { background-color: var(--background-dark); }
                .webix_secondary .webix_button, .webix_slider_box .webix_slider_right, .webix_el_colorpicker .webix_inp_static, .webix_color_out_text, .webix_switch_box { background-color: var(--button-dark); }
                .webix_primary .webix_button, .webix_slider_box .webix_slider_left, .webix_switch_box.webix_switch_on { background-color: var(--highlight-on-dark); }
                .webix_switch_handle, .webix_slider_box .webix_slider_handle { background-color: var(--handles-on-dark); }
                .webix_el_colorpicker .webix_inp_static, .webix_color_out_block, .webix_color_out_text,
                .webix_switch_handle, .webix_slider_box .webix_slider_handle { border-color: var(--border-on-dark); }
                .webix_switch_box, .webix_slider_box .webix_slider_left, .webix_slider_box .webix_slider_right { border-color: var(--no-border); }
                * { color: var(--text-on-dark); }
            }</style>`);
        }

        webix.ui({
            view: "window",
            id: id,
            css: "darkmode",
            width: parseInt(getComputedStyle(q("body")).getPropertyValue("width")) * 0.9, // 90% of the screen
            maxWidth: maxWidth, // limit for wide monitors
            position: "top",
            head: heading,
            close: true,
            move: true,
        });

        e.target.addEventListener("click", function(e) { $$(id).show(); }); // event listener for reopening the dialog on subsequent clicks
    }
}