# -*- coding: iso-8859-1 -*-
# mk, 1.2.2010

# model

class Model(object):
    def __init__(self,callback):
        self.OnChange = callback
        self.obj = None

    def set(self,wert):
        self.obj = wert
        # an entsprechenden Stellen OnChange aufrufen
        meldung = str(self.obj)
        if self.OnChange != None:
            self.OnChange(meldung)    

# view

import tkinter

class View(tkinter.Tk):
    def __init__(self):
        tkinter.Tk.__init__(self)
        # Callbacks
        self.OnWarte = None
        self.OnVerbinde = None
        self.OnSende = None
        self.OnBeende = None
        # Fenster
        self.title("Netzverbinder 0")
        self.geometry('640x200')
        # Radiobuttons
        self.rvar = tkinter.IntVar()
        self.rServer =tkinter.Radiobutton(master=self, text='Server',
                                          variable = self.rvar, value = 0)
        self.rServer.place(x = 20, y = 10)
        self.rClient =tkinter.Radiobutton(master=self, text='Client',
                                          variable = self.rvar, value = 1)
        self.rClient.place(x = 80, y = 10)
        # Entries
        self.eHost = tkinter.Entry(master=self)
        self.eHost.insert(0, 'www.hsg-kl.de')
        self.eHost.place(x=140, y=73, width=150)
        self.ePort = tkinter.Entry(master=self)
        self.ePort.insert(0, '80')
        self.ePort.place(x=310, y=73, width=30)
        # Buttons
        self.bWarte = tkinter.Button(master=self, text="warte")
        self.bindung = self.bWarte.bind('<1>',self.OnWarte)
        self.bWarte.place(x=20, y=40, width=100)
        self.bVerbinde = tkinter.Button(master=self, text="verbinde zu")
        self.bindung = self.bVerbinde.bind('<1>',self.OnWarte)
        self.bVerbinde.place(x=20, y=70, width=100)
        self.bSende = tkinter.Button(master=self, text="sende")
        self.bindung = self.bSende.bind('<1>',self.OnSende)
        self.bSende.place(x=20, y=100, width=100)
        self.bBeende = tkinter.Button(master=self, text="beende Verbindung")
        self.bindung = self.bBeende.bind('<1>',self.OnBeende)
        self.bBeende.place(x=20, y=160, width=100)
        # Labels
        self.lIp = tkinter.Label(master=self, text='ip')
        self.lIp.place(x=140, y=10)
        self.lVerbunden = tkinter.Label(master=self, text='verbunden',
                                        foreground='#ff0000',font=('Helvetica',16))
        self.lVerbunden.place(x=140, y=35)
        self.lPort = tkinter.Label(master=self, text='port')
        self.lPort.place(x=310, y=40)
        self.lEmpfangen = tkinter.Label(master=self, text='empfangen')
        self.lEmpfangen.place(x=360, y=75)
        # Textfelder
        self.tSende = tkinter.Text(master=self)
        self.tSende.insert('1.0','GET /abc.html HTTP/1.1\n'+
                                  'Host: www.hsg-kl.de\n\n')
        self.tSende.place(x = 140, y = 100, width = 200, height = 80)
        self.tEmpfangen = tkinter.Text(master=self)
        self.tEmpfangen.place(x = 360, y = 100, width = 260, height = 80)
                                                      
    def setOnWarte(self, callback):
        self.bWarte.unbind('<1>',self.bindung)
        self.bindung = self.bWarte.bind('<1>',callback)


# controller

class Controller(object):
    def __init__(self):
        self.view = View()
        self.view.setOnWarte(self.schreibe)
        self.model = Model(self.zeige)              
        self.view.mainloop()
        
    def schreibe(self,event):
        wert = eval(self.view.eA.get())
        self.model.set(wert)

    def zeige(self,meldung):
        self.view.lG.config(text=meldung)

# Hauptprogramm

c = Controller()