line: name änderbar

line.py

@@ -44,13 +44,25 @@ class EvaluationLine(ModelSQL, ModelView):
     currency_digits = fields.Function(fields.Integer(string='Currency Digits',
         readonly=True), 'on_change_with_currency_digits')
 
-    name = fields.Function(fields.Char(string='Name', readonly=True),
+    name = fields.Function(fields.Char(string='Name'),
-        'on_change_with_name')
+        'on_change_with_name', setter='set_name_data')
+    name_line = fields.Char(string='Name', states={'invisible': True})
     balance = fields.Function(fields.Numeric(string='Balance',
         readonly=True, digits=(16, Eval('currency_digits', 2)),
         depends=['currency_digits']),
         'on_change_with_balance')
 
+    @classmethod
+    def set_name_data(cls, lines, name, value):
+        """ store updated name
+        """
+        print('\n## set_name_data', lines, name, value)
+        cls.write(*[
+            lines,
+            {
+                'name_line': value,
+            }])
+
     @classmethod
     def fields_view_get(cls, view_id, view_type='form'):
         """ replace form-view-id
@@ -100,6 +112,25 @@ class EvaluationLine(ModelSQL, ModelView):
         else:
             return 2
 
+    @fields.depends('eval_dtype', 'cashbook', 'dtype', 'currency', 'name_line')
+    def on_change_with_name(self, name=None):
+        """ get name of Type
+        """
+        # prefer to use local stored name of line
+        if self.name_line:
+            if len(self.name_line) > 0:
+                return self.name_line
+
+        # otherwise use rec_name of linked record
+        if self.eval_dtype:
+            return getattr(
+                getattr(self, {
+                    'cashbooks': 'cashbook',
+                    'types': 'dtype',
+                    'currencies': 'currency',
+                }[self.eval_dtype], None),
+                'rec_name', None)
+
     @classmethod
     def validate(cls, records):
         """ check parent record
@@ -125,19 +156,6 @@ class EvaluationLine(ModelSQL, ModelView):
                     typename = gettext('cashbook_report.msg_dtype_currency'),
                     ))
 
-    @fields.depends('eval_dtype', 'cashbook', 'dtype', 'currency')
-    def on_change_with_name(self, name=None):
-        """ get name of Type
-        """
-        if self.eval_dtype:
-            return getattr(
-                getattr(self, {
-                    'cashbooks': 'cashbook',
-                    'types': 'dtype',
-                    'currencies': 'currency',
-                }[self.eval_dtype], None),
-                'rec_name', None)
-
     def get_value_cashbooks(self):
         """ balance of cashbooks
         """