const electron = require('electron')
// Module to control application life.
const app = electron.app
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow

const path = require('path')
const url = require('url')

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({width: 1200, height: 700, icon: path.join(__dirname, '../app/images/icon/icon.png')})

  // and load the index.html of the app.
  mainWindow.loadURL(url.format({
    pathname: path.join(__dirname, '../app/index.html'),
    protocol: 'file:',
    slashes: true
  }))

  mainWindow.setMenu(null)
  //mainWindow.setIcon(path.join(__dirname, '../app/images/icon/icon.png'))

  // Open the DevTools.
  // mainWindow.webContents.openDevTools()

  // Emitted when the window is closed.
  mainWindow.on('closed', function () {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null
  })

  mainWindow.on('close', function(e) {
      var choice = electron.dialog.showMessageBox(this,
        {
          type: 'question',
          buttons: ['Yes', 'No'],
          title: 'Confirm',
          message: 'Are you sure you want to quit?'
       });
       if(choice == 1){
         e.preventDefault();
       }
  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)

// Quit when all windows are closed.
app.on('window-all-closed', function () {
  // On OS X it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

app.on('activate', function () {
  // On OS X it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    createWindow()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.

@@ -1574,16 +1574,994 @@
   %7D%0A  %7D)
+%0A%0A  // Add Edit menu for Mac to allow copy-paste:%0A  if (process.platform === 'darwin') %7B%0A    const template = %5B%0A        %7B%0A          label: app.getName(),%0A          submenu: %5B%0A            %7Brole: 'about'%7D,%0A            %7Btype: 'separator'%7D,%0A            %7Brole: 'services', submenu: %5B%5D%7D,%0A            %7Btype: 'separator'%7D,%0A            %7Brole: 'hide'%7D,%0A            %7Brole: 'hideothers'%7D,%0A            %7Brole: 'unhide'%7D,%0A            %7Btype: 'separator'%7D,%0A            %7Brole: 'quit'%7D%0A          %5D%0A        %7D,%0A        %7B%0A          label: 'Edit',%0A          submenu: %5B%0A            %7Brole: 'undo'%7D,%0A            %7Brole: 'redo'%7D,%0A            %7Btype: 'separator'%7D,%0A            %7Brole: 'cut'%7D,%0A            %7Brole: 'copy'%7D,%0A            %7Brole: 'paste'%7D,%0A            %7Brole: 'pasteandmatchstyle'%7D,%0A            %7Brole: 'delete'%7D,%0A            %7Brole: 'selectall'%7D%0A          %5D%0A        %7D%0A      %5D%0A%0A      const Menu = electron.Menu%0A      const menu = Menu.buildFromTemplate(template)%0A      Menu.setApplicationMenu(menu)%0A  %7D
 %0A%7D%0A%0A// T

Add edit menu on MacOS electron app. This fixes #122