Modified manager to new design

manager/main.js

@@ -0,0 +1,68 @@
+const electronApp = require('electron').app;
+const electronBrowserWindow = require('electron').BrowserWindow;
+const electronIpcMain = require('electron').ipcMain;
+const path = require('path');
+
+let window;
+
+function createWindow() {
+    const window = new electronBrowserWindow({
+		width: 1500,
+		height: 850,
+		frame: false,
+        resizable: true,
+        maximizable: true,
+		webPreferences: {
+			contextIsolation: true,
+			preload: path.join(__dirname, "javascripts", 'preload.js'),
+			nodeIntegration: true, // like here
+		},
+		icon: "./../img/olympus_configurator.ico"
+    });
+
+    window.loadFile('index.html').then(() => { window.show(); });
+
+	window.on("maximize", () => {
+		window.webContents.send('event:maximized')
+	})
+
+	window.on("unmaximize", () => {
+		window.webContents.send('event:unmaximized')
+	})
+
+    return window;
+}
+
+electronApp.on('ready', () => {
+    window = createWindow();
+});
+
+electronApp.on('window-all-closed', () => {
+    if (process.platform !== 'darwin') {
+        electronApp.quit();
+    }
+});
+
+electronApp.on('activate', () => {
+    if (electronBrowserWindow.getAllWindows().length === 0) {
+        createWindow();
+    }
+});
+
+// ---
+
+electronIpcMain.on('window:minimize', () => {
+    window.minimize();
+})
+
+electronIpcMain.on('window:maximize', () => {
+    window.maximize();
+})
+
+electronIpcMain.on('window:restore', () => {
+    window.restore();
+})
+
+electronIpcMain.on('window:close', () => {
+    window.close();
+})