joplin/packages/app-desktop/gui/MenuBar.tsx

import { useEffect, useState, useRef, useCallback } from 'react';
import { AppState } from '../app';
import InteropService from '@joplin/lib/services/interop/InteropService';
import { stateUtils } from '@joplin/lib/reducer';
import CommandService from '@joplin/lib/services/CommandService';
import MenuUtils from '@joplin/lib/services/commands/MenuUtils';
import KeymapService from '@joplin/lib/services/KeymapService';
import { PluginStates, utils as pluginUtils } from '@joplin/lib/services/plugins/reducer';
import shim from '@joplin/lib/shim';
import Setting from '@joplin/lib/models/Setting';
import versionInfo from '@joplin/lib/versionInfo';
import { Module } from '@joplin/lib/services/interop/types';
import InteropServiceHelper from '../InteropServiceHelper';
import { _ } from '@joplin/lib/locale';
import { isContextMenuItemLocation, MenuItem, MenuItemLocation } from '@joplin/lib/services/plugins/api/types';
import SpellCheckerService from '@joplin/lib/services/spellChecker/SpellCheckerService';
import menuCommandNames from './menuCommandNames';
import stateToWhenClauseContext from '../services/commands/stateToWhenClauseContext';
import bridge from '../services/bridge';

const { connect } = require('react-redux');
const { reg } = require('@joplin/lib/registry.js');
const packageInfo = require('../packageInfo.js');
const { clipboard } = require('electron');
const Menu = bridge().Menu;
const PluginManager = require('@joplin/lib/services/PluginManager');
const TemplateUtils = require('@joplin/lib/TemplateUtils');

const menuUtils = new MenuUtils(CommandService.instance());

function pluginMenuItemsCommandNames(menuItems: MenuItem[]): string[] {
	let output: string[] = [];
	for (const menuItem of menuItems) {
		if (menuItem.submenu) {
			output = output.concat(pluginMenuItemsCommandNames(menuItem.submenu));
		} else {
			if (menuItem.commandName) output.push(menuItem.commandName);
		}
	}
	return output;
}

function pluginCommandNames(plugins: PluginStates): string[] {
	let output: string[] = [];

	for (const view of pluginUtils.viewsByType(plugins, 'menu')) {
		output = output.concat(pluginMenuItemsCommandNames(view.menuItems));
	}

	for (const view of pluginUtils.viewsByType(plugins, 'menuItem')) {
		if (view.commandName) output.push(view.commandName);
	}

	return output;
}

function createPluginMenuTree(label: string, menuItems: MenuItem[], onMenuItemClick: Function) {
	const output: any = {
		label: label,
		submenu: [],
	};

	for (const menuItem of menuItems) {
		if (menuItem.submenu) {
			output.submenu.push(createPluginMenuTree(menuItem.label, menuItem.submenu, onMenuItemClick));
		} else {
			output.submenu.push(menuUtils.commandToMenuItem(menuItem.commandName, onMenuItemClick));
		}
	}

	return output;
}

interface Props {
	dispatch: Function;
	menuItemProps: any;
	routeName: string;
	selectedFolderId: string;
	layoutButtonSequence: number;
	['notes.sortOrder.field']: string;
	['folders.sortOrder.field']: string;
	['notes.sortOrder.reverse']: boolean;
	['folders.sortOrder.reverse']: boolean;
	showNoteCounts: boolean;
	uncompletedTodosOnTop: boolean;
	showCompletedTodos: boolean;
	pluginMenuItems: any[];
	pluginMenus: any[];
	['spellChecker.enabled']: boolean;
	['spellChecker.language']: string;
	plugins: PluginStates;
}

const commandNames: string[] = menuCommandNames();

function menuItemSetChecked(id: string, checked: boolean) {
	const menu = Menu.getApplicationMenu();
	const menuItem = menu.getMenuItemById(id);
	if (!menuItem) return;
	menuItem.checked = checked;
}

function menuItemSetEnabled(id: string, enabled: boolean) {
	const menu = Menu.getApplicationMenu();
	const menuItem = menu.getMenuItemById(id);
	if (!menuItem) return;
	menuItem.enabled = enabled;
}

function useMenu(props: Props) {
	const [menu, setMenu] = useState(null);
	const [keymapLastChangeTime, setKeymapLastChangeTime] = useState(Date.now());
	const [modulesLastChangeTime, setModulesLastChangeTime] = useState(Date.now());

	const onMenuItemClick = useCallback((commandName: string) => {
		void CommandService.instance().execute(commandName);
	}, []);

	const onImportModuleClick = useCallback(async (module: Module, moduleSource: string) => {
		let path = null;

		if (moduleSource === 'file') {
			path = bridge().showOpenDialog({
				filters: [{ name: module.description, extensions: module.fileExtensions }],
			});
		} else {
			path = bridge().showOpenDialog({
				properties: ['openDirectory', 'createDirectory'],
			});
		}

		if (!path || (Array.isArray(path) && !path.length)) return;

		if (Array.isArray(path)) path = path[0];

		const modalMessage =  _('Importing from "%s" as "%s" format. Please wait...', path, module.format);

		void CommandService.instance().execute('showModalMessage', modalMessage);

		const importOptions = {
			path,
			format: module.format,
			outputFormat: module.outputFormat,
			onProgress: (status: any) => {
				const statusStrings: string[] = Object.keys(status).map((key: string) => {
					return `${key}: ${status[key]}`;
				});

				void CommandService.instance().execute('showModalMessage', `${modalMessage}\n\n${statusStrings.join('\n')}`);
			},
			onError: console.warn,
			destinationFolderId: !module.isNoteArchive && moduleSource === 'file' ? props.selectedFolderId : null,
		};

		const service = InteropService.instance();
		try {
			const result = await service.import(importOptions);
			console.info('Import result: ', result);
		} catch (error) {
			bridge().showErrorMessageBox(error.message);
		}

		void CommandService.instance().execute('hideModalMessage');
	}, [props.selectedFolderId]);

	const onMenuItemClickRef = useRef(null);
	onMenuItemClickRef.current = onMenuItemClick;

	const onImportModuleClickRef = useRef(null);
	onImportModuleClickRef.current = onImportModuleClick;

	useEffect(() => {
		const keymapService = KeymapService.instance();

		const pluginCommandNames = props.pluginMenuItems.map((view: any) => view.commandName);
		const menuItemDic = menuUtils.commandsToMenuItems(commandNames.concat(pluginCommandNames), (commandName: string) => onMenuItemClickRef.current(commandName));

		const quitMenuItem = {
			label: _('Quit'),
			accelerator: keymapService.getAccelerator('quit'),
			click: () => { void bridge().electronApp().quit(); },
		};

		const sortNoteFolderItems = (type: string) => {
			const sortItems = [];
			const sortOptions = Setting.enumOptions(`${type}.sortOrder.field`);
			for (const field in sortOptions) {
				if (!sortOptions.hasOwnProperty(field)) continue;
				sortItems.push({
					id: `sort:${type}:${field}`,
					label: sortOptions[field],
					type: 'checkbox',
					// checked: Setting.value(`${type}.sortOrder.field`) === field,
					click: () => {
						Setting.setValue(`${type}.sortOrder.field`, field);
					},
				});
			}

			sortItems.push({ type: 'separator' });

			sortItems.push({
				id: `sort:${type}:reverse`,
				label: Setting.settingMetadata(`${type}.sortOrder.reverse`).label(),
				type: 'checkbox',
				// checked: Setting.value(`${type}.sortOrder.reverse`),
				click: () => {
					Setting.setValue(`${type}.sortOrder.reverse`, !Setting.value(`${type}.sortOrder.reverse`));
				},
			});

			return sortItems;
		};

		const sortNoteItems = sortNoteFolderItems('notes');
		const sortFolderItems = sortNoteFolderItems('folders');

		const focusItems = [
			menuItemDic.focusElementSideBar,
			menuItemDic.focusElementNoteList,
			menuItemDic.focusElementNoteTitle,
			menuItemDic.focusElementNoteBody,
		];

		const importItems = [];
		const exportItems = [];
		const templateItems: any[] = [];
		const ioService = InteropService.instance();
		const ioModules = ioService.modules();
		for (let i = 0; i < ioModules.length; i++) {
			const module = ioModules[i];
			if (module.type === 'exporter') {
				if (module.isNoteArchive !== false) {
					exportItems.push({
						label: module.fullLabel(),
						click: async () => {
							await InteropServiceHelper.export(
								(action: any) => props.dispatch(action),
								module,
								{ plugins: props.plugins }
							);
						},
					});
				}
			} else {
				for (let j = 0; j < module.sources.length; j++) {
					const moduleSource = module.sources[j];
					importItems.push({
						label: module.fullLabel(moduleSource),
						click: () => onImportModuleClickRef.current(module, moduleSource),
					});
				}
			}
		}

		exportItems.push(
			menuItemDic.exportPdf
		);

		// We need a dummy entry, otherwise the ternary operator to show a
		// menu item only on a specific OS does not work.
		const noItem = {
			type: 'separator',
			visible: false,
		};

		const syncStatusItem = {
			label: _('Synchronisation Status'),
			click: () => {
				props.dispatch({
					type: 'NAV_GO',
					routeName: 'Status',
				});
			},
		};

		const separator = () => {
			return {
				type: 'separator',
			};
		};

		const newNoteItem = menuItemDic.newNote;
		const newTodoItem = menuItemDic.newTodo;
		const newFolderItem = menuItemDic.newFolder;
		const newSubFolderItem = menuItemDic.newSubFolder;
		const printItem = menuItemDic.print;

		templateItems.push({
			label: _('Create note from template'),
			click: () => {
				void CommandService.instance().execute('selectTemplate', 'note');
			},
		}, {
			label: _('Create to-do from template'),
			click: () => {
				void CommandService.instance().execute('selectTemplate', 'todo');
			},
		}, {
			label: _('Insert template'),
			accelerator: keymapService.getAccelerator('insertTemplate'),
			click: () => {
				void CommandService.instance().execute('selectTemplate');
			},
		}, {
			label: _('Open template directory'),
			click: () => {
				void bridge().openItem(Setting.value('templateDir'));
			},
		}, {
			label: _('Refresh templates'),
			click: async () => {
				const templates = await TemplateUtils.loadTemplates(Setting.value('templateDir'));

				props.dispatch({
					type: 'TEMPLATE_UPDATE_ALL',
					templates: templates,
				});
			},
		});

		let toolsItems: any[] = [];

		// we need this workaround, because on macOS the menu is different
		const toolsItemsWindowsLinux: any[] = [
			{
				label: _('Options'),
				accelerator: keymapService.getAccelerator('config'),
				click: () => {
					props.dispatch({
						type: 'NAV_GO',
						routeName: 'Config',
					});
				},
			},
			separator(),
		];

		// the following menu items will be available for all OS under Tools
		const toolsItemsAll = [{
			label: _('Note attachments...'),
			click: () => {
				props.dispatch({
					type: 'NAV_GO',
					routeName: 'Resources',
				});
			},
		}];

		if (!shim.isMac()) {
			toolsItems = toolsItems.concat(toolsItemsWindowsLinux);
		}
		toolsItems = toolsItems.concat(toolsItemsAll);

		toolsItems.push(SpellCheckerService.instance().spellCheckerConfigMenuItem(props['spellChecker.language'], props['spellChecker.enabled']));

		function _checkForUpdates() {
			bridge().checkForUpdates(false, bridge().window(), `${Setting.value('profileDir')}/log-autoupdater.txt`, { includePreReleases: Setting.value('autoUpdate.includePreReleases') });
		}

		function _showAbout() {
			const v = versionInfo(packageInfo);

			const copyToClipboard = bridge().showMessageBox(v.message, {
				icon: `${bridge().electronApp().buildDir()}/icons/128x128.png`,
				buttons: [_('Copy'), _('OK')],
				cancelId: 1,
				defaultId: 1,
			});

			if (copyToClipboard === 0) {
				clipboard.writeText(v.body);
			}
		}

		const rootMenuFile = {
			// Using a dummy entry for macOS here, because first menu
			// becomes 'Joplin' and we need a nenu called 'File' later.
			label: shim.isMac() ? '&JoplinMainMenu' : _('&File'),
			// `&` before one of the char in the label name mean, that
			// <Alt + F> will open this menu. It's needed becase electron
			// opens the first menu on Alt press if no hotkey assigned.
			// Issue: https://github.com/laurent22/joplin/issues/934
			submenu: [{
				label: _('About Joplin'),
				visible: shim.isMac() ? true : false,
				click: () => _showAbout(),
			}, {
				type: 'separator',
				visible: shim.isMac() ? true : false,
			}, {
				label: _('Preferences...'),
				visible: shim.isMac() ? true : false,
				accelerator: shim.isMac() && keymapService.getAccelerator('config'),
				click: () => {
					props.dispatch({
						type: 'NAV_GO',
						routeName: 'Config',
					});
				},
			}, {
				label: _('Check for updates...'),
				visible: shim.isMac() ? true : false,
				click: () => _checkForUpdates(),
			}, {
				type: 'separator',
				visible: shim.isMac() ? true : false,
			},
			shim.isMac() ? noItem : newNoteItem,
			shim.isMac() ? noItem : newTodoItem,
			shim.isMac() ? noItem : newFolderItem,
			shim.isMac() ? noItem : newSubFolderItem,
			{
				type: 'separator',
				visible: shim.isMac() ? false : true,
			}, {
				label: _('Templates'),
				visible: shim.isMac() ? false : true,
				submenu: templateItems,
			}, {
				type: 'separator',
				visible: shim.isMac() ? false : true,
			}, {
				label: _('Import'),
				visible: shim.isMac() ? false : true,
				submenu: importItems,
			}, {
				label: _('Export all'),
				visible: shim.isMac() ? false : true,
				submenu: exportItems,
			}, {
				type: 'separator',
			},

			menuItemDic.synchronize,

			shim.isMac() ? noItem : printItem, {
				type: 'separator',
				platforms: ['darwin'],
			},

			shim.isMac() ? {
				label: _('Hide %s', 'Joplin'),
				platforms: ['darwin'],
				accelerator: shim.isMac() && keymapService.getAccelerator('hideApp'),
				click: () => { bridge().electronApp().hide(); },
			} : noItem,

			{
				type: 'separator',
			},
			quitMenuItem],
		};

		const rootMenuFileMacOs = {
			label: _('&File'),
			visible: shim.isMac() ? true : false,
			submenu: [
				newNoteItem,
				newTodoItem,
				newFolderItem,
				newSubFolderItem,
				{
					label: _('Close Window'),
					platforms: ['darwin'],
					accelerator: shim.isMac() && keymapService.getAccelerator('closeWindow'),
					selector: 'performClose:',
				}, {
					type: 'separator',
				}, {
					label: _('Templates'),
					submenu: templateItems,
				}, {
					type: 'separator',
				}, {
					label: _('Import'),
					submenu: importItems,
				}, {
					label: _('Export all'),
					submenu: exportItems,
				}, {
					type: 'separator',
				},
				printItem,
			],
		};

		const layoutButtonSequenceOptions = Setting.enumOptions('layoutButtonSequence');
		const layoutButtonSequenceMenuItems = [];

		for (const value in layoutButtonSequenceOptions) {
			layoutButtonSequenceMenuItems.push({
				id: `layoutButtonSequence_${value}`,
				label: layoutButtonSequenceOptions[value],
				type: 'checkbox',
				click: () => {
					Setting.setValue('layoutButtonSequence', value);
				},
			});
		}

		const rootMenus: any = {
			edit: {
				id: 'edit',
				label: _('&Edit'),
				submenu: [
					menuItemDic.textCopy,
					menuItemDic.textCut,
					menuItemDic.textPaste,
					menuItemDic.textSelectAll,
					separator(),
					menuItemDic.textBold,
					menuItemDic.textItalic,
					menuItemDic.textLink,
					menuItemDic.textCode,
					separator(),
					menuItemDic.insertDateTime,
					menuItemDic.attachFile,
					separator(),
					menuItemDic.focusSearch,
					menuItemDic.showLocalSearch,
				],
			},
			view: {
				label: _('&View'),
				submenu: [
					menuItemDic.toggleLayoutMoveMode,
					separator(),
					menuItemDic.toggleSideBar,
					menuItemDic.toggleNoteList,
					menuItemDic.toggleVisiblePanes,
					{
						label: _('Layout button sequence'),
						submenu: layoutButtonSequenceMenuItems,
					},
					separator(),
					{
						label: Setting.settingMetadata('notes.sortOrder.field').label(),
						submenu: sortNoteItems,
					}, {
						label: Setting.settingMetadata('folders.sortOrder.field').label(),
						submenu: sortFolderItems,
					}, {
						id: 'showNoteCounts',
						label: Setting.settingMetadata('showNoteCounts').label(),
						type: 'checkbox',
						click: () => {
							Setting.setValue('showNoteCounts', !Setting.value('showNoteCounts'));
						},
					}, {
						id: 'uncompletedTodosOnTop',
						label: Setting.settingMetadata('uncompletedTodosOnTop').label(),
						type: 'checkbox',
						click: () => {
							Setting.setValue('uncompletedTodosOnTop', !Setting.value('uncompletedTodosOnTop'));
						},
					}, {
						id: 'showCompletedTodos',
						label: Setting.settingMetadata('showCompletedTodos').label(),
						type: 'checkbox',
						click: () => {
							Setting.setValue('showCompletedTodos', !Setting.value('showCompletedTodos'));
						},
					},
					separator(),
					{
						label: _('Actual Size'),
						click: () => {
							Setting.setValue('windowContentZoomFactor', 100);
						},
						accelerator: 'CommandOrControl+0',
					}, {
					// There are 2 shortcuts for the action 'zoom in', mainly to increase the user experience.
					// Most applications handle this the same way. These applications indicate Ctrl +, but actually mean Ctrl =.
					// In fact they allow both: + and =. On the English keyboard layout - and = are used without the shift key.
					// So to use Ctrl + would mean to use the shift key, but this is not the case in any of the apps that show Ctrl +.
					// Additionally it allows the use of the plus key on the numpad.
						label: _('Zoom In'),
						click: () => {
							Setting.incValue('windowContentZoomFactor', 10);
						},
						accelerator: 'CommandOrControl+Plus',
					}, {
						label: _('Zoom In'),
						visible: false,
						click: () => {
							Setting.incValue('windowContentZoomFactor', 10);
						},
						accelerator: 'CommandOrControl+=',
					}, {
						label: _('Zoom Out'),
						click: () => {
							Setting.incValue('windowContentZoomFactor', -10);
						},
						accelerator: 'CommandOrControl+-',
					}],
			},
			go: {
				label: _('&Go'),
				submenu: [
					menuItemDic.historyBackward,
					menuItemDic.historyForward,
					separator(),
					{
						label: _('Focus'),
						submenu: focusItems,
					},
				],
			},
			note: {
				label: _('&Note'),
				submenu: [
					menuItemDic.toggleExternalEditing,
					menuItemDic.setTags,
					separator(),
					menuItemDic.showNoteContentProperties,
				],
			},
			tools: {
				label: _('&Tools'),
				submenu: toolsItems,
			},
			help: {
				label: _('&Help'),
				role: 'help', // Makes it add the "Search" field on macOS
				submenu: [{
					label: _('Website and documentation'),
					accelerator: keymapService.getAccelerator('help'),
					click() { bridge().openExternal('https://joplinapp.org'); },
				}, {
					label: _('Joplin Forum'),
					click() { bridge().openExternal('https://discourse.joplinapp.org'); },
				}, {
					label: _('Make a donation'),
					click() { bridge().openExternal('https://joplinapp.org/donate/'); },
				}, {
					label: _('Check for updates...'),
					visible: shim.isMac() ? false : true,
					click: () => _checkForUpdates(),
				},
				separator(),
				syncStatusItem,
				separator(),
				{
					id: 'help:toggleDevTools',
					label: _('Toggle development tools'),
					click: () => {
						props.dispatch({
							type: 'NOTE_DEVTOOLS_TOGGLE',
						});
					},
				},

				menuItemDic.openProfileDirectory,
				menuItemDic.copyDevCommand,

				{
					type: 'separator',
					visible: shim.isMac() ? false : true,
				}, {
					label: _('About Joplin'),
					visible: shim.isMac() ? false : true,
					click: () => _showAbout(),
				}],
			},
		};

		if (shim.isMac()) {
			rootMenus.macOsApp = rootMenuFile;
			rootMenus.file = rootMenuFileMacOs;
		} else {
			rootMenus.file = rootMenuFile;
		}

		// It seems the "visible" property of separators is ignored by Electron, making
		// it display separators that we want hidden. So this function iterates through
		// them and remove them completely.
		const cleanUpSeparators = (items: any[]) => {
			const output = [];
			for (const item of items) {
				if ('visible' in item && item.type === 'separator' && !item.visible) continue;
				output.push(item);
			}
			return output;
		};

		for (const key in rootMenus) {
			if (!rootMenus.hasOwnProperty(key)) continue;
			if (!rootMenus[key].submenu) continue;
			rootMenus[key].submenu = cleanUpSeparators(rootMenus[key].submenu);
		}

		{
			// This is for GotoAnything only - should be refactored since this plugin manager is not used otherwise
			const pluginMenuItems = PluginManager.instance().menuItems();
			for (const item of pluginMenuItems) {
				const itemParent = rootMenus[item.parent] ? rootMenus[item.parent] : 'tools';
				itemParent.submenu.push(separator());
				itemParent.submenu.push(item);
			}
		}

		for (const view of props.pluginMenuItems) {
			const location: MenuItemLocation = view.location;
			if (isContextMenuItemLocation(location)) continue;

			const itemParent = rootMenus[location];

			if (!itemParent) {
				reg.logger().error('Menu item location does not exist: ', location, view);
			} else {
				itemParent.submenu.push(menuItemDic[view.commandName]);
			}
		}

		for (const view of props.pluginMenus) {
			if (isContextMenuItemLocation(view.location)) continue;
			const itemParent = rootMenus[view.location];

			if (!itemParent) {
				reg.logger().error('Menu location does not exist: ', location, view);
			} else {
				itemParent.submenu.push(createPluginMenuTree(view.label, view.menuItems, (commandName: string) => onMenuItemClickRef.current(commandName)));
			}
		}

		const template = [
			rootMenus.file,
			rootMenus.edit,
			rootMenus.view,
			rootMenus.go,
			rootMenus.note,
			rootMenus.tools,
			rootMenus.help,
		];

		if (shim.isMac()) template.splice(0, 0, rootMenus.macOsApp);

		if (props.routeName !== 'Main') {
			setMenu(Menu.buildFromTemplate([
				{
					label: _('&File'),
					submenu: [quitMenuItem],
				},
				{
					label: _('&Edit'),
					submenu: [
						menuItemDic.textCopy,
						menuItemDic.textCut,
						menuItemDic.textPaste,
						menuItemDic.textSelectAll,
					],
				},
			]));
		} else {
			setMenu(Menu.buildFromTemplate(template));
		}
	}, [props.routeName, props.pluginMenuItems, props.pluginMenus, keymapLastChangeTime, modulesLastChangeTime, props['spellChecker.language'], props['spellChecker.enabled'], props.plugins]);

	useEffect(() => {
		const whenClauseContext = CommandService.instance().currentWhenClauseContext();

		for (const commandName in props.menuItemProps) {
			const p = props.menuItemProps[commandName];
			if (!p) continue;
			const enabled = 'enabled' in p ? p.enabled : CommandService.instance().isEnabled(commandName, whenClauseContext);
			menuItemSetEnabled(commandName, enabled);
		}

		const layoutButtonSequenceOptions = Setting.enumOptions('layoutButtonSequence');
		for (const value in layoutButtonSequenceOptions) {
			menuItemSetChecked(`layoutButtonSequence_${value}`, props.layoutButtonSequence === Number(value));
		}

		function applySortItemCheckState(type: string) {
			const sortOptions = Setting.enumOptions(`${type}.sortOrder.field`);
			for (const field in sortOptions) {
				if (!sortOptions.hasOwnProperty(field)) continue;
				menuItemSetChecked(`sort:${type}:${field}`, (props as any)[`${type}.sortOrder.field`] === field);
			}

			menuItemSetChecked(`sort:${type}:reverse`, (props as any)[`${type}.sortOrder.reverse`]);
		}

		applySortItemCheckState('notes');
		applySortItemCheckState('folders');

		menuItemSetChecked('showNoteCounts', props.showNoteCounts);
		menuItemSetChecked('uncompletedTodosOnTop', props.uncompletedTodosOnTop);
		menuItemSetChecked('showCompletedTodos', props.showCompletedTodos);
	}, [
		props.menuItemProps,
		props.layoutButtonSequence,
		props['notes.sortOrder.field'],
		props['folders.sortOrder.field'],
		props['notes.sortOrder.reverse'],
		props['folders.sortOrder.reverse'],
		props.showNoteCounts,
		props.uncompletedTodosOnTop,
		props.showCompletedTodos,
	]);

	useEffect(() => {
		function onKeymapChange() {
			setKeymapLastChangeTime(Date.now());
		}

		KeymapService.instance().on('keymapChange', onKeymapChange);

		return () => {
			KeymapService.instance().off('keymapChange', onKeymapChange);
		};
	}, []);

	useEffect(() => {
		function onModulesChanged() {
			setModulesLastChangeTime(Date.now());
		}

		InteropService.instance().on('modulesChanged', onModulesChanged);

		return () => {
			InteropService.instance().off('modulesChanged', onModulesChanged);
		};
	}, []);

	return menu;
}

function MenuBar(props: Props): any {
	const menu = useMenu(props);
	if (menu) Menu.setApplicationMenu(menu);
	return null;
}

const mapStateToProps = (state: AppState) => {
	const whenClauseContext = stateToWhenClauseContext(state);

	return {
		menuItemProps: menuUtils.commandsToMenuItemProps(commandNames.concat(pluginCommandNames(state.pluginService.plugins)), whenClauseContext),
		routeName: state.route.routeName,
		selectedFolderId: state.selectedFolderId,
		layoutButtonSequence: state.settings.layoutButtonSequence,
		['notes.sortOrder.field']: state.settings['notes.sortOrder.field'],
		['folders.sortOrder.field']: state.settings['folders.sortOrder.field'],
		['notes.sortOrder.reverse']: state.settings['notes.sortOrder.reverse'],
		['folders.sortOrder.reverse']: state.settings['folders.sortOrder.reverse'],
		showNoteCounts: state.settings.showNoteCounts,
		uncompletedTodosOnTop: state.settings.uncompletedTodosOnTop,
		showCompletedTodos: state.settings.showCompletedTodos,
		pluginMenuItems: stateUtils.selectArrayShallow({ array: pluginUtils.viewsByType(state.pluginService.plugins, 'menuItem') }, 'menuBar.pluginMenuItems'),
		pluginMenus: stateUtils.selectArrayShallow({ array: pluginUtils.viewsByType(state.pluginService.plugins, 'menu') }, 'menuBar.pluginMenus'),
		['spellChecker.language']: state.settings['spellChecker.language'],
		['spellChecker.enabled']: state.settings['spellChecker.enabled'],
		plugins: state.pluginService.plugins,
	};
};

export default connect(mapStateToProps)(MenuBar);