AO3: Initialize webix GUI

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

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.gf.qytechs.cn/scripts/541008/1615720/AO3%3A%20Initialize%20webix%20GUI.js

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。

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

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         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      1.2
// @grant        none
// @license      MIT
// ==/UserScript==

// HOW TO USE:
// please refer to https://greasyfork.org/en/scripts/541008-ao3-initialize-webix-gui for a full description how to use this library

/* global webix, $$ */
'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 loadWebix() {
    return new Promise((resolve, reject) => {
        if (typeof webix !== "undefined") resolve("success");
        else {
            // 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 = 'https://cdn.jsdelivr.net/npm/[email protected]/webix.min.js';
            })
            .then(() => resolve("success"))
            .catch((err) => reject(err));
        }
    });
}

async function initGUI(e, id, heading, maxWidth, views=null) {
    let loadSuccess = await loadWebix();
    if (loadSuccess === "success") {

        // 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; }
                    legend { display: block; }
                    .webix_template { padding: 0; }
                    &:has(>.webix_template) { border: 0; }
                }</style>`);
        }

        // automatic darkmode if the background is dark (e.g. Reversi)
        let theme = lightOrDark(getComputedStyle(q("body")).getPropertyValue("background-color"));
        if (theme === "dark") {
            if (views === null) views = [id];
            views = views.map((x) => `.webix_view[view_id="${x}"]`).join(', ');

            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, > fieldset { 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, .webix_view.webix_control.webix_el_tabbar { 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>`);
        }

        let dialogwidth = parseInt(getComputedStyle(q("body")).getPropertyValue("width"));

        webix.ui({
            view: "window",
            id: id,
            width: dialogwidth > maxWidth ? maxWidth : dialogwidth * 0.9,
            position: "top",
            head: heading,
            close: true,
            move: true,
            body: { type:"wide", id:"container", rows:[ ] }
        });

        // event listener for reopening the dialog on subsequent menu clicks (without recreating the whole GUI)
        e.target.addEventListener("click", function(e) { $$(id).show(); });

        // if the window resizes the dialog would move off of the screen
        window.addEventListener('resize', function(e) {
            let dialogwidth = parseInt(getComputedStyle(q("body")).getPropertyValue("width")); // get the new browser width
            $$(id).config.width = dialogwidth > maxWidth ? maxWidth : dialogwidth * 0.9; // reoptimize dialog width
            $$(id).resize(); // repaint the GUI and its components
        });

        return $$(id).queryView((view) => view.config.id === "container");
    }
    else {
        console.debug("library has failed to load webix", loadSuccess);
        return false;
    }
}

// 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'; }
}