erste Fassung mit Refresh der Gui und Rückmeldung an User

lib/controller.py

@@ -13,25 +13,6 @@ class Observer():
         append it into the list"""
         if event_name not in self._observables:
             self._observables[event_name] = callback
- 
-    def detach(self, observer):
-        """Remove the observer from the observer list"""
-        try:
-            self._observers.remove(observer)
-        except ValueError:
-            pass
-
-    def attach(self, observer):
-        """If the observer is not in the list,
-        append it into the list"""
-        if observer not in self._observers:
-            self._observers.append(observer)
-
-    def notify(self, modifier = None):
-        """Alert the observers"""
-        for observer in self._observers:
-            if modifier != observer:
-                observer.update(self)
 
 class Event():
     def __init__(self, name, data, autofire = True):
@@ -48,17 +29,17 @@ class Controller(Observer):
     """
     Class for manipulating the model and returning data for the view
     """
-    def __init__(self):
-        self.model = None
-        self.view = None # currently just one gui/view
-        Observer.__init__(self)
+    def __init__(self, model, view):
+        self.set_model(model)
+        self.set_view(view)
+        #Observer.__init__(self)
 
     def set_model(self, model):
         self.model = model
     def set_view(self, view):
         self.view = view
 
-    def data_to_gui(self):
+    def refresh_gui(self):
         self.view.data_from_model()
     def data_from_model(self):
         self.view.data_from_model()
@@ -100,7 +81,6 @@ class Controller(Observer):
     def set_gui_data(self, key, value):
         """merken der Eingaben des Nutzers der GUI """
         self.model.set_gui_data(key, value)
-        self.notify()
 
     def get_gui_data(self, key):
         return self.model.get_gui_data(key)