Wanikani Open Framework - Menu module

Menu module for Wanikani Open Framework

このスクリプトは単体で利用できません。右のようなメタデータを含むスクリプトから、ライブラリとして読み込まれます: // @require https://update.greasyfork.org/scripts/38578/1453001/Wanikani%20Open%20Framework%20-%20Menu%20module.js

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name        Wanikani Open Framework - Menu module
// @namespace   rfindley
// @description Menu module for Wanikani Open Framework
// @version     1.0.24
// @copyright   2018-2024, Robin Findley
// @license     MIT; http://opensource.org/licenses/MIT
// ==/UserScript==

(function(global) {

	//########################################################################
	//------------------------------
	// Published interface
	//------------------------------
	global.wkof.Menu = {
		insert_script_link: insert_script_link
	};
	//########################################################################

	function escape_attr(attr) {return attr.replace(/"/g,'\'');}
	function escape_text(text) {return text.replace(/[<&>]/g, function(ch) {let map={'<':'&lt','&':'&amp;','>':'&gt;'}; return map[ch];});}

	let top_menu, scripts_menu;

	//------------------------------
	// Handler that closes menus when clicking outside of menu.
	//------------------------------
	function body_click(e) {
		top_menu.classList.remove('open');
		for (let submenu of document.querySelectorAll('.scripts-submenu.open')) {
			submenu.classList.remove('open');
		}
		document.body.removeEventListener('click', body_click);
	}

	function insert_gear_icon() {
		if (!document.getElementById('wk-icon__gear')) {
			let svg = document.querySelector('svg symbol[id^="wk-icon"]').closest('svg');
			svg.insertAdjacentHTML('beforeend','<symbol id="wk-icon__gear" viewport="0 0 500 500"><path d="M405,310L492,310L492,195L405,190L379,146L423,71L319,8L275,85L225,85L181,8L77,71L121,146L95,190L8,190L8,310L95,310L121,354L77,429L181,492L225,415L275,415L319,492L423,429L379,354L405,310L325,281L281,325L219,325L176,281L176,219L219,176L281,176L325,219L325,281Z"></path></symbol>');
		}
	}

	//------------------------------
	// Install 'Scripts' header in menu, if not present.
	//------------------------------
	function install_scripts_header() {
		// Abort if already installed.
		if (document.querySelector('.scripts-header')) return false;
		let summary_button, scripts_icon;

		// Install css.
		if (!document.querySelector('style[name="scripts_submenu"]')) {
			document.head.insertAdjacentHTML('beforeend',
				`<style name="scripts_submenu">
				.character-header {z-index:1;}
				.character-header__menu-navigation a {text-decoration:none;}
				.character-header__menu-navigation-link {margin-right: 8px;}
				#scripts-menu.menu-type-quiz {text-shadow:none;}
				#scripts-menu.menu-type-quiz:not(.open) > .dropdown-menu {display:none;}
				#scripts-menu.menu-type-quiz .scripts-submenu:not(.open) > .dropdown-menu {display:none;}
				#scripts-menu.menu-type-quiz 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.menu-type-quiz ul.dropdown-menu > li {text-align:left; color:#333; white-space:nowrap; line-height:20px; padding:3px 0; display:list-item; margin:0;}
				#scripts-menu.menu-type-quiz ul.dropdown-menu > li.scripts-header {text-transform:uppercase; font-size:11px; font-weight:bold; padding:3px 20px; display:list-item;}
				#scripts-menu.menu-type-quiz ul.dropdown-menu > li:hover:not(.scripts-header) {background-color:rgba(0,0,0,0.15)}

				#scripts-menu.menu-type-quiz ul.dropdown-menu a {padding:3px 20px; color:#333; opacity:1; margin:0; border:0; display:inline;}

				#scripts-menu.menu-type-quiz .scripts-submenu {position:relative;}
				#scripts-menu.menu-type-quiz .scripts-submenu > a:after {content:">"; position:absolute; top:0; right:0; padding:3px 4px 3px 0;}
				#scripts-menu.menu-type-quiz .scripts-submenu .dropdown-menu {left:100%; top:-7px;}

				#scripts-menu.menu-type-site.sitemap__section.scripts-noposition {position:initial;}
				#scripts-menu.menu-type-site .scripts-submenu>.dropdown-menu {display:none;}
				#scripts-menu.menu-type-site .scripts-submenu.open>.dropdown-menu {display:block;position:absolute;top:0px;margin-top:0;left:-8px;transform:scale(1) translateX(-100%);min-width:200px}
				#scripts-menu.menu-type-site .scripts-submenu .dropdown-menu:before {left:100%;top:12px;z-index:-1;}
				#scripts-menu.menu-type-site .scripts-submenu .dropdown-menu .sitemap__pages {padding:5px 15px 0px 15px;}
				#scripts-menu.menu-type-site .scripts-submenu .dropdown-menu .sitemap__page:last-child {margin-bottom:0;}
				#scripts-menu.menu-type-site .scripts-submenu>a:before {content:"< ";}
				@media (max-width: 979px) {
				  #scripts-menu.menu-type-site .scripts-submenu>a:before {content:"";}
				  #scripts-menu.menu-type-site .scripts-submenu>.dropdown-menu {display:contents;position:initial;top:initial;margin-top:initial;left:initial;transform:none;min-width:initial}
				}
				</style>`
			);
		}

		// Install html.
		if (location.pathname.match(/^\/subjects\/(review|lesson|[^\/]+\/lesson|extra_study)/) !== null ||
			 location.pathname.match(/^\/subject-lessons\//) !== null ||
			 location.pathname.match(/^\/recent-mistakes\/[^\/]+\/quiz/) !== null) {
			summary_button = document.querySelector('.summary-button');

			insert_gear_icon();
			summary_button.parentElement.insertAdjacentHTML('afterend',
				`<div id="scripts-menu" class="menu-type-quiz scripts-menu-icon character-header__menu-navigation-link">
					<a class="scripts-icon summary-button" href="#">
				     <svg class="wk-icon wk-icon--gear" viewBox="0 0 500 500" aria-hidden="true">
				       <use href="#wk-icon__gear"></use>
				     </svg>
				   </a>
					<ul class="dropdown-menu">
						<li class="scripts-header">Script Menu</li>
					</ul>
				</div>`
			);

			top_menu = document.querySelector('#scripts-menu');
			scripts_icon = document.querySelector('#scripts-menu > a.scripts-icon');

			function scripts_icon_click(e) {
				e.preventDefault();
				e.stopPropagation();
				top_menu.classList.toggle('open');
				if (top_menu.classList.contains('open')) document.body.addEventListener('click', body_click);
			}

			scripts_icon.addEventListener('click', scripts_icon_click);

		} else {
			// Install html.
			top_menu = document.querySelector('button[class$="account"]');
			if (!top_menu) return;

			document.querySelector('.user-summary').insertAdjacentHTML('afterend',
				`<li id="scripts-menu" class="menu-type-site sitemap__section sitemap__section--subsection scripts-noposition">
				  <h3 class="sitemap__section-header--subsection">Scripts</h3>
				  <ul class="sitemap__pages scripts-header"></ul>
				</li>`
			);
		}

		// Click to open/close sub-menu.
		scripts_menu = document.querySelector('#scripts-menu');
		scripts_menu.addEventListener('click', submenu_click);

		function submenu_click(e){
			e.preventDefault();
			e.stopPropagation();
			if (!e.target.matches('.scripts-submenu>a')) return false;
			let link = e.target.parentElement;
			for (let submenu of link.parentElement.querySelectorAll('.scripts-submenu.open')) {
				if (submenu !== link) submenu.classList.remove('open');
			};
			if (location.pathname.match(/^\/subjects\/(review|lesson|[^\/]+\/lesson|extra_study)/) !== null ||
				 location.pathname.match(/^\/subject-lessons\//) !== null ||
				 location.pathname.match(/^\/recent-mistakes\/[^\/]+\/quiz/) !== null) {
				link.classList.toggle('open');
			} else {
				let menu = document.querySelector('#sitemap__account,[id="#sitemap__account"]');
				let submenu = link.querySelector('.dropdown-menu');
				submenu.style.fontSize = '12px';
				submenu.style.maxHeight = '';
				let submenu_ul = submenu.querySelector(':scope > ul');
				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 = menu.offsetHeight - top;
					}
				}
			}
			// 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);
			}
		}
	}

	//------------------------------
	// Sort menu items
	//------------------------------
	function sort_name(a,b) {
		return a.querySelector('a').innerText.localeCompare(b.querySelector('a').innerText);
	}

	//------------------------------
	// Install Submenu, if not present.
	//------------------------------
	function install_scripts_submenu(name) {
		// Abort if already installed.
		let safe_name = escape_attr(name);
		let safe_text = escape_text(name);
		let submenu = document.querySelector('.scripts-submenu[name="'+safe_name+'"]');
		if (submenu) return submenu;

		let scripts_header = document.querySelector('.scripts-header');
		if (!scripts_header) return;

		if (location.pathname.match(/^\/subjects\/(review|lesson|[^\/]+\/lesson|extra_study)/) !== null ||
			 location.pathname.match(/^\/subject-lessons\//) !== null ||
			 location.pathname.match(/^\/recent-mistakes\/[^\/]+\/quiz/) !== null) {
			scripts_header.insertAdjacentHTML('afterend',
				`<li class="scripts-submenu" name="${safe_name}">
					<a href="#">${safe_text}</a>
					<ul class="dropdown-menu"></ul>
				</li>`
			);
		} else {
			scripts_header.insertAdjacentHTML('beforeend',
				`<li class="sitemap__page scripts-submenu" name="${safe_name}">
				  <a href="#">${safe_text}</a>
				  <div class="sitemap__expandable-chunk dropdown-menu" data-expanded="true" aria-expanded="true">
					<ul class="sitemap__pages">
					</ul>
				  </div>
				<li>`
			);
		}
		let menu_contents = scripts_header.parentElement.querySelectorAll(':scope > .scripts-submenu, :scope > .script-link');
		for (let node of Array.from(menu_contents).sort(sort_name)) node.parentNode.append(node);
		return document.querySelector('.scripts-submenu[name="'+safe_name+'"]');
	}

	//------------------------------
	// Inserts script link into Wanikani menu.
	//------------------------------
	function insert_script_link(config) {
		// Abort if the script already exists
		let link_id = config.name+'_script_link';
		let link_text = escape_text(config.title);
		if (document.querySelector('#'+link_id)) return;
		install_scripts_header();
		let menu, classes, link_html;
		let scripts_header = document.querySelector('.scripts-header');
		if (!scripts_header) return;
		let link = document.createElement('li');
		link.id = link_id;
		link.setAttribute('name', config.name);
		link.innerHTML = '<a href="#">'+link_text+'</a>';
		if (config.submenu) {
			let submenu = install_scripts_submenu(config.submenu);

			// Append the script, and sort the menu.
			if (location.pathname.match(/^\/subjects\/(review|lesson|[^\/]+\/lesson|extra_study)/) !== null ||
				 location.pathname.match(/^\/subject-lessons\//) !== null ||
				 location.pathname.match(/^\/recent-mistakes\/[^\/]+\/quiz/) !== null) {
				menu = submenu.querySelector('.dropdown-menu');
			} else {
				menu = submenu.querySelector('.dropdown-menu>ul');
			}
			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 (location.pathname.match(/^\/subjects\/(review|lesson|[^\/]+\/lesson|extra_study)/) !== null ||
				 location.pathname.match(/^\/subject-lessons\//) !== null ||
				 location.pathname.match(/^\/recent-mistakes\/[^\/]+\/quiz/) !== null) {
				scripts_header.after(link);
			} else {
				scripts_header.append(link);
			}
		}
		let menu_contents = scripts_header.parentElement.querySelectorAll(':scope > .scripts-submenu, :scope > .script-link');
		for (let 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){
			e.preventDefault();
			e.stopPropagation();
			document.body.removeEventListener('click', body_click);
			document.querySelector('#scripts-menu').classList.remove('open');
			for (let submenu of document.querySelectorAll('.scripts-submenu')) submenu.classList.remove('open');
			if (document.querySelector('#sitemap__account,[id="#sitemap__account"]')) {
				document.querySelector('#sitemap__account,[id="#sitemap__account"]').parentElement.querySelector('[data-expandable-navigation-target],[data-navigation-section-toggle]').click();
				let nav_toggle = document.querySelector('.navigation__toggle');
				if (nav_toggle.offsetWidth > 0 || nav_toggle.offsetWidth > 0) nav_toggle.click();
			}
			config.on_click(e);
		});
	}

	wkof.ready('document').then(set_ready_state);

	function set_ready_state(){
		// Delay guarantees include() callbacks are called before ready() callbacks.
		setTimeout(function(){wkof.set_state('wkof.Menu', 'ready');},0);
	}

})(window);