KameSame Open Framework - Menu module

Menu module for KameSame Open Framework
目前為 2022-10-29 提交的版本，檢視最新版本。
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.gf.qytechs.cn/scripts/451522/1110888/KameSame%20Open%20Framework%20-%20Menu%20module.js
發表問題、評論、或檢舉該腳本。
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"use strict";
// ==UserScript==
// @name        KameSame Open Framework - Menu module
// @namespace   timberpile
// @description Menu module for KameSame Open Framework
// @version     0.1
// @copyright   2022+, Robin Findley, Timberpile
// @license     MIT; http://opensource.org/licenses/MIT
// ==/UserScript==
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};

(async (global) => {
    var _MenuUi_instances, _MenuUi_install_style, _MenuUi_install_menu;
    const ksof = global.ksof;
    class MenuUi {
        constructor() {
            _MenuUi_instances.add(this);
            this.style = __classPrivateFieldGet(this, _MenuUi_instances, "m", _MenuUi_install_style).call(this);
            try {
                this.menu = __classPrivateFieldGet(this, _MenuUi_instances, "m", _MenuUi_install_menu).call(this);
            }
            catch (error) {
                throw new Error(`Can't install ksof menu: ${error}`);
            }
        }
        get header() {
            return this.dropdown_menu?.querySelector(':scope > li.scripts-header');
        }
        get scripts_icon() {
            if (ksof.pageInfo.on == 'review') {
                return this.menu.querySelector(':scope > a.scripts-icon');
            }
            else {
                // TODO use fitting selector for top menu bar
                return this.menu.querySelector(':scope > a.scripts-icon');
            }
        }
        get dropdown_menu() {
            return this.menu.querySelector('ul.dropdown-menu');
        }
        get_submenu(name) {
            const safe_name = escape_attr(name);
            return document.querySelector('.scripts-submenu[name="' + safe_name + '"]');
        }
        //------------------------------
        // Install Submenu, if not present.
        //------------------------------
        install_scripts_submenu(name) {
            // Abort if already installed.
            const sub = this.get_submenu(name);
            if (sub) {
                return sub;
            }
            const safe_name = escape_attr(name);
            const safe_text = escape_text(name);
            this.header.insertAdjacentHTML('afterend', `<li class="scripts-submenu" name="${safe_name}">
                    <a href="#">${safe_text}</a>
                    <ul class="dropdown-menu"></ul>
                </li>`);
            const menu_contents = this.dropdown_menu.querySelectorAll(':scope > .scripts-submenu, :scope > .script-link');
            if (!menu_contents)
                return null;
            for (const node of Array.from(menu_contents).sort(sort_name)) {
                // TODO why append again without removing first?
                node.parentNode?.append(node);
            }
            return this.get_submenu(name);
        }
    }
    _MenuUi_instances = new WeakSet(), _MenuUi_install_style = function _MenuUi_install_style() {
        const style = document.head.querySelector('style[name="scripts_submenu"]');
        if (style) {
            return style;
        }
        document.head.insertAdjacentHTML('beforeend', `<style name="scripts_submenu">
                    #scripts-menu {text-shadow:none;}
                    #scripts-menu.scripts-menu-icon {display:inline-block;}
                    #scripts-menu .scripts-icon {display:inline-block; cursor: pointer; font-size: 1.2em; margin-right: auto; opacity: .65; position: relative; top: 3px;}
                    #scripts-menu:not(.open) > .dropdown-menu {display:none;}
                    #scripts-menu .scripts-submenu:not(.open) > .dropdown-menu {display:none;}
                    #scripts-menu ul.dropdown-menu {position:absolute; background-color:#eee; margin:0; padding:5px 0; list-style-type:none; border:1px solid #333; display:block;}
                    #scripts-menu ul.dropdown-menu > li {text-align:left; color:#333; white-space:nowrap; line-height:20px; padding:3px 0; display:list-item;}
                    #scripts-menu ul.dropdown-menu > li.scripts-header {text-transform:uppercase; font-size:.8rem; font-weight:bold; padding:3px 12px; display:list-item;}
                    #scripts-menu ul.dropdown-menu > li:hover:not(.scripts-header) {background-color:rgba(0,0,0,0.15)}
                    #scripts-menu ul.dropdown-menu a {padding:3px 20px; color:#333; opacity:1;}
                    #scripts-menu .scripts-submenu {position:relative; font-size: 1rem;}
                    #scripts-menu .scripts-submenu > a:after {content:">"; font-family:"FontAwesome"; position:absolute; top:0; right:0; padding:3px 4px 3px 0;}
                    #scripts-menu .scripts-submenu .dropdown-menu {left:100%; top:-6px;}
                    #app.kamesame nav li #scripts-menu {
                        display: flex;
                        flex-direction: column;
                        height: 100%;
                        width: 100%;
                        color: var(--gray);
                    }
                </style>`);
        return document.head.querySelector('style[name="scripts_submenu"]');
    }, _MenuUi_install_menu = function _MenuUi_install_menu() {
        // Throws Error
        let menu = document.querySelector('#scripts-menu');
        if (menu) {
            return menu;
        }
        const page = ksof.pageInfo.on;
        // Abort if on unsupported page
        // if (!page) throw new Error('Unsupported page')
        // Install html.
        if (page == 'review') {
            const exit_button = document.querySelector('.header a.exit');
            if (!exit_button)
                throw new Error('Exit button not found');
            exit_button.insertAdjacentHTML('afterend', `
                <div id="scripts-menu" class="scripts-menu-icon">
                    <a class="scripts-icon state" href="#"><i title="Script Menu">⚙️</i></a>
                    <ul class="dropdown-menu">
                        <li class="scripts-header">Script Menu</li>
                    </ul>
                </div>`);
        }
        else {
            const search_icon = find_search_icon();
            if (!search_icon)
                throw new Error('Search icon not found');
            search_icon.parentElement?.insertAdjacentHTML('afterend', `
                <li>
                    <div id="scripts-menu" class="scripts-menu-icon">
                        <a class="scripts-icon" href="#">
                            <div class="icon">
                                <div>⚙</div>
                            </div>
                            <div class="label">
                                <span>Scripts Menu</span>
                            </div>
                        </a>
                        <ul class="dropdown-menu">
                            <li class="scripts-header label">Scripts Menu</li>
                        </ul>
                    </div>
                </li>`);
        }
        menu = document.querySelector('#scripts-menu');
        if (!menu) {
            throw new Error('Menu not found after insertion');
        }
        this.menu = menu;
        this.scripts_icon.addEventListener('click', (e) => {
            this.menu.classList.toggle('open');
            if (this.menu.classList.contains('open'))
                document.body.addEventListener('click', body_click);
            e.stopPropagation();
        });
        // Click to open/close sub-menu.
        this.menu.addEventListener('click', submenu_click);
        function submenu_click(e) {
            const target = e.target;
            if (!target.matches('.scripts-submenu>a'))
                return false;
            const link = target.parentElement;
            if (!link)
                return false;
            if (!link.parentElement)
                return false;
            for (const submenu of link.parentElement.querySelectorAll('.scripts-submenu.open')) {
                if (submenu !== link)
                    submenu.classList.remove('open');
            }
            if (ksof.pageInfo.on === null) {
                const menu = document.querySelector('#sitemap__account,[id="#sitemap__account"]');
                const submenu = link.querySelector('.dropdown-menu');
                if (menu && submenu) {
                    submenu.style.fontSize = '12px';
                    submenu.style.maxHeight = '';
                    let top = Math.max(0, link.offsetTop);
                    link.classList.toggle('open');
                    if (link.classList.contains('open')) {
                        submenu.style.top = top + 'px';
                        if (menu.offsetHeight - top < submenu.offsetHeight) {
                            top = Math.max(0, menu.offsetHeight - submenu.offsetHeight);
                            submenu.style.top = top + 'px';
                            submenu.style.maxHeight = String(menu.offsetHeight - top);
                        }
                    }
                }
            }
            else {
                link.classList.toggle('open');
            }
            // If we opened the menu, listen for off-menu clicks.
            if (link.classList.contains('open')) {
                document.body.addEventListener('click', body_click);
            }
            else {
                document.body.removeEventListener('click', body_click);
            }
            e.stopPropagation();
        }
        return menu;
    };
    ksof.Menu = {
        insert_script_link: insert_script_link,
        ui: new MenuUi()
    };
    const ui = ksof.Menu.ui;
    ui.menu.setAttribute('display', 'none');
    function escape_attr(attr) { return attr.replace(/"/g, '\''); }
    function escape_text(text) {
        return text.replace(/[<&>]/g, (ch) => {
            switch (ch) {
                case '<':
                    return '&lt';
                case '>':
                    return '&gt';
                case '&':
                    return '&amp';
                default:
                    return ch;
            }
        });
    }
    function find_search_icon() {
        const text_div = Array.from(document.querySelectorAll('#nav_container .real ul li a div.icon div'))
            .find(el => el.textContent === '🔍');
        if (!text_div) {
            return undefined;
        }
        return text_div.parentElement?.parentElement;
    }
    //------------------------------
    // Handler that closes menus when clicking outside of menu.
    //------------------------------
    function body_click() {
        ui.menu.classList.remove('open');
        for (const submenu of document.querySelectorAll('.scripts-submenu.open')) {
            submenu.classList.remove('open');
        }
        document.body.removeEventListener('click', body_click);
    }
    //------------------------------
    // Sort menu items
    //------------------------------
    function sort_name(a, b) {
        const a1 = a.querySelector('a');
        if (!a1)
            return -1;
        const b1 = b.querySelector('a');
        if (!b1)
            return -1;
        return a1.innerText.localeCompare(b1.innerText);
    }
    //------------------------------
    // Inserts script link into Kamesame menu.
    //------------------------------
    function insert_script_link(config) {
        // Abort if the script already exists
        const link_id = config.name + '_script_link';
        const link_text = escape_text(config.title);
        if (document.querySelector('#' + link_id))
            return;
        if (ui.menu.hasAttribute('display')) {
            ui.menu.removeAttribute('display');
        }
        let classes;
        const scripts_header = ui.header;
        if (!scripts_header)
            return;
        const link = document.createElement('li');
        link.id = link_id;
        link.setAttribute('name', config.name);
        link.innerHTML = '<a href="#">' + link_text + '</a>';
        if (config.submenu) {
            const submenu = ui.install_scripts_submenu(config.submenu);
            if (!submenu) {
                return;
            }
            // Append the script, and sort the menu.
            const menu = submenu.querySelector('.dropdown-menu');
            if (!menu) {
                return;
            }
            classes = ['sitemap__page'];
            if (config.class)
                classes.push(config.class_html || '');
            link.setAttribute('class', classes.join(' '));
            link.innerHTML = '<a href="#">' + link_text + '</a>';
            menu.append(link);
        }
        else {
            classes = ['sitemap__page', 'script-link'];
            if (config.class)
                classes.push(config.class_html || '');
            link.setAttribute('class', classes.join(' '));
            if (ksof.pageInfo.on == 'review') {
                scripts_header.after(link);
            }
            else {
                scripts_header.append(link);
            }
        }
        const menu_contents = scripts_header.parentElement?.querySelectorAll(':scope > .scripts-submenu, :scope > .script-link');
        if (menu_contents) {
            for (const node of Array.from(menu_contents).sort(sort_name)) {
                node.parentNode?.append(node);
            }
        }
        // Add a callback for when the link is clicked.
        document.querySelector('#' + link_id)?.addEventListener('click', function (e) {
            document.body.removeEventListener('click', body_click);
            document.querySelector('#scripts-menu')?.classList.remove('open');
            for (const submenu of document.querySelectorAll('.scripts-submenu')) {
                submenu.classList.remove('open');
            }
            const temp = document.querySelector('#sitemap__account,[id="#sitemap__account"]');
            if (temp) {
                const temp2 = temp.parentElement?.querySelector('[data-expandable-navigation-target],[data-navigation-section-toggle]');
                temp2.click();
                const nav_toggle = document.querySelector('.navigation__toggle');
                if (nav_toggle.offsetWidth > 0 || nav_toggle.offsetWidth > 0)
                    nav_toggle.click();
            }
            config.on_click(e);
            return false;
        });
    }
    await ksof.ready('document');
    // Delay guarantees include() callbacks are called before ready() callbacks.
    setTimeout(() => { ksof.set_state('ksof.Menu', 'ready'); }, 0);
})(window);
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