def dateChosen(sender)
    puts 'action!'
  end
  
  def makeCalendar
    frame = calendarView.frame
    @datePicker = NSDatePicker.alloc.initWithFrame(frame)
    
    datePicker.frameOrigin = NSMakePoint(1, 0)
    datePicker.datePickerStyle = NSClockAndCalendarDatePickerStyle
    calendarView.addSubview(datePicker)
    
    datePicker.drawsBackground = false
    datePicker.bezeled = false
    datePicker.bordered = false
    datePicker.enabled = true
    
    datePicker.datePickerElements = NSYearMonthDatePickerElementFlag | NSYearMonthDayDatePickerElementFlag
    
    datePicker.dateValue = NSDate.date
    datePicker.needsDisplay = true
    
    datePicker.delegate = self
    # datePicker.action = NSSelectorFromString('dateChosen:')
    datePicker.action = 'dateChosen:'
  end