kategorie: typ 'einnahme/ausgabe' - test muß noch

line.py

@@ -53,7 +53,13 @@ class Line(Workflow, ModelSQL, ModelView):
         states=STATES, depends=DEPENDS)
     category = fields.Many2One(string='Category', required=True,
         model_name='cashbook.category', ondelete='RESTRICT',
-        states=STATES, depends=DEPENDS)
+        states=STATES, depends=DEPENDS+['bookingtype'],
+        domain=[
+            If(
+                Eval('bookingtype', '').in_(['in', 'mvin']),
+                ('cattype', '=', 'in'),
+                ('cattype', '=', 'out'),
+            )])
     category_view = fields.Function(fields.Char(string='Category', readonly=True),
         'on_change_with_category_view', searcher='search_category_view')
 
@@ -135,6 +141,20 @@ class Line(Workflow, ModelSQL, ModelView):
         """
         pass
 
+    @fields.depends('bookingtype', 'category')
+    def on_change_bookingtype(self):
+        """ clear category if not valid type
+        """
+        types = {
+            'in': ['in', 'mvin'],
+            'out': ['out', 'mvout'],
+            }
+
+        if self.bookingtype:
+            if self.category:
+                if not self.bookingtype in types.get(self.category.cattype, ''):
+                    self.category = None
+
     @classmethod
     def default_state(cls):
         """ default: edit