line: felder löschen bei änderung von bookingtype

line.py

@@ -527,12 +527,18 @@ class Line(Workflow, ModelSQL, ModelView):
                 if not self.bookingtype in types.get(self.category.cattype, ''):
                     self.category = None
 
-            if self.bookingtype in ['spin', 'spout']:
+            if self.bookingtype.startswith('sp'):   # split booking
+                self.category = None
+                self.booktransf = None
                 for spline in self.splitlines:
                     if not self.bookingtype in types.get(getattr(spline.category, 'cattype', '-'), ''):
                         spline.category = None
-            else :
+            elif self.bookingtype.startswith('mv'): # transfer
                 self.splitlines = []
+                self.category = None
+            else :                                  # category
+                self.splitlines = []
+                self.booktransf = None
 
     @fields.depends('description')
     def on_change_with_descr_short(self, name=None):

splitline.py

@@ -67,6 +67,8 @@ class SplitLine(ModelSQL, ModelView):
     amount = fields.Numeric(string='Amount', digits=(16, Eval('currency_digits', 2)),
         required=True, states=STATES, depends=DEPENDS+['currency_digits'])
 
+    date = fields.Function(fields.Date(string='Date', readonly=True),
+        'on_change_with_date')
     target = fields.Function(fields.Reference(string='Target', readonly=True,
         selection=sel_target), 'on_change_with_target')
     currency = fields.Function(fields.Many2One(model_name='currency.currency',
@@ -134,6 +136,14 @@ class SplitLine(ModelSQL, ModelView):
             if self.splittype == 'tr':
                 self.category = None
 
+    @fields.depends('line', '_parent_line.date')
+    def on_change_with_date(self, name=None):
+        """ get date of line
+        """
+        if self.line:
+            if self.line.date is not None:
+                return self.line.date
+
     @fields.depends('splittype', 'category', 'booktransf')
     def on_change_with_target(self, name=None):
         """ get category or cashbook

view/split_form.xml

@@ -17,7 +17,9 @@ full copyright notices and license terms. -->
     <label name="booktransf"/>
     <field name="booktransf" colspan="3"/>
 
-    <group name="description" colspan="4" col="1" string="Description" yexpand="1">
-        <field name="description" yfill="1"/>
-    </group>
+    <notebook colspan="4">
+        <page name="description" col="1" string="Description">
+            <field name="description"/>
+        </page>
+    </notebook>    
 </form>