# Demobeispiel_wxMenu.py
import wx

### ---------------------------------------------------
class MyFrame(wx.Frame):
    
    def __init__(
            self, parent, ID, title):

        wx.Frame.__init__(self, parent, ID, title, size=(500, 250))
        panel = wx.Panel(self, -1)

        # Prepare the menu bar
        menuBar = wx.MenuBar()

        # 1st menu from left
        menu1 = wx.Menu()
        menu1.Append(101, "&Mercury", "This the text in the Statusbar")
        menu1.Append(102, "&Venus", "")
        menu1.Append(103, "&Earth", "You may select Earth too")
        menu1.AppendSeparator()
        menu1.Append(104, "&Close", "Close this frame")
        # Add menu to the menu bar
        menuBar.Append(menu1, "&Planets")

        # 2nd menu from left
        menu2 = wx.Menu()
        menu2.Append(201, "Hydrogen")
        menu2.Append(202, "Helium")
        # a submenu in the 2nd menu
        submenu = wx.Menu()
        submenu.Append(2031,"Lanthanium")
        submenu.Append(2032,"Cerium")
        submenu.Append(2033,"Praseodymium")
        menu2.Append(203, "Lanthanides", submenu)
        # Append 2nd menu
        menuBar.Append(menu2, "&Elements")

        self.SetMenuBar(menuBar)

        # Menu events
        self.Bind(wx.EVT_MENU_HIGHLIGHT_ALL, self.OnMenuHighlight)

        self.Bind(wx.EVT_MENU, self.Menu101, id=101)
        self.Bind(wx.EVT_MENU, self.Menu102, id=102)
        self.Bind(wx.EVT_MENU, self.Menu103, id=103)
        self.Bind(wx.EVT_MENU, self.CloseWindow, id=104)

        self.Bind(wx.EVT_MENU, self.Menu201, id=201)
        self.Bind(wx.EVT_MENU, self.Menu202, id=202)
        self.Bind(wx.EVT_MENU, self.Menu2031, id=2031)
        self.Bind(wx.EVT_MENU, self.Menu2032, id=2032)
        self.Bind(wx.EVT_MENU, self.Menu2033, id=2033)

    def OnMenuHighlight(self, event):
        # Show how to get menu item info from this event handler
        id = event.GetMenuId()
        item = self.GetMenuBar().FindItemById(id)
        if item:
            text = item.GetText()
            help = item.GetHelp()

        # but in this case just call Skip so the default is done
        event.Skip()


    def Menu101(self, event):
        print('Welcome to Mercury\n') # Aenderung

    def Menu102(self, event):
        print('Welcome to Venus\n')

    def Menu103(self, event):
        print('Welcome to the Earth\n')

    def CloseWindow(self, event):
        self.Close()

    def Menu201(self, event):
        print('Chemical element number 1\n')

    def Menu202(self, event):
        print('Chemical element number 2\n')

    def Menu2031(self, event):
        print('Element number 57\n')

    def Menu2032(self, event):
        print('Element number 58\n')

    def Menu2033(self, event):
        print('Element number 59\n')

##    def OnCloseWindow(self, event):
##        self.Destroy()


### ---------------------------------------------------
class MyApp(wx.App):
    """Testanwendung fuer Demobeispiel"""
    def OnInit(self):
        self.fenster = MyFrame(None, 1000, "Playing with menus")
        self.SetTopWindow(self.fenster)
        self.fenster.Show(True)
        return True

### ---------------------------------------------------
if __name__ == '__main__':
    app = MyApp(redirect=False)
    app.MainLoop()