fix help when no help available
[enigma2.git] / lib / python / Components / HelpMenuList.py
index e6f8539..48802f7 100644 (file)
@@ -39,21 +39,24 @@ class HelpMenuList(GUIComponent):
        
        def ok(self):
                # a list entry has a "private" tuple as first entry...
-               l = self.l.getCurrentSelection()[0]
-               
+               l = self.getCurrent()
+               if l is None:
+                       return
                # ...containing (Actionmap, Context, Action, keydata).
                # we returns this tuple to the callback.
                self.callback(l[0], l[1], l[2])
        
        def getCurrent(self):
-               return self.l.getCurrentSelection()[0]
+               sel = self.l.getCurrentSelection()
+               return sel and sel[0]
 
-       def GUIcreate(self, parent):
-               self.instance = eListbox(parent)
-               self.instance.setContent(self.l)
-               self.instance.setItemHeight(42)
-               
-       def GUIdelete(self):
-               self.instance.setContent(None)
-               self.instance = None
+       GUI_WIDGET = eListbox
 
+       def postWidgetCreate(self, instance):
+               instance.setContent(self.l)
+               instance.setItemHeight(42)
+               instance.selectionChanged.get().append(self.selectionChanged)
+               
+       def selectionChanged(self):
+               for x in self.onSelChanged:
+                       x()