line/book: sequence für zeilen-nummerierung

line.py

@@ -54,6 +54,7 @@ class Line(Workflow, ModelSQL, ModelView):
         states=STATES, depends=DEPENDS)
     month = fields.Function(fields.Integer(string='Month', readonly=True),
         'on_change_with_month', searcher='search_month')
+    number = fields.Char(string='Number', readonly=True)
     description = fields.Text(string='Description',
         states=STATES, depends=DEPENDS)
     category = fields.Many2One(string='Category',
@@ -218,6 +219,7 @@ class Line(Workflow, ModelSQL, ModelView):
         Line2 = pool.get('cashbook.line')
 
         to_create_line = []
+        to_write_line = []
         for line in lines:
             # deny if date is in range of existing reconciliation
             # allow cashbook-line at range-limits
@@ -259,6 +261,18 @@ class Line(Workflow, ModelSQL, ModelView):
                     'reference': line.id,
                     })
 
+            # add number to line
+            if line.cashbook.number_atcheck == True:
+                if len(line.number or '') == 0:
+                    to_write_line.extend([
+                        [line],
+                        {
+                            'number': line.cashbook.number_sequ.get()
+                        }])
+
+        if len(to_write_line) > 0:
+            Line2.write(*to_write_line)
+
         if len(to_create_line) > 0:
             new_lines = Line2.create(to_create_line)
             Line2.wfcheck(new_lines)
@@ -269,7 +283,20 @@ class Line(Workflow, ModelSQL, ModelView):
     def wfdone(cls, lines):
         """ line is done
         """
-        pass
+        Line2 = Pool().get('cashbook.line')
+
+        to_write_line = []
+        for line in lines:
+            # add number to line
+            if len(line.number or '') == 0:
+                to_write_line.extend([
+                    [line],
+                    {
+                        'number': line.cashbook.number_sequ.get()
+                    }])
+
+        if len(to_write_line) > 0:
+            Line2.write(*to_write_line)
 
     @classmethod
     def default_state(cls):
@@ -508,6 +535,18 @@ class Line(Workflow, ModelSQL, ModelView):
                     raise ValueError('invalid "bookingtype"')
         return {}
 
+    @classmethod
+    def copy(cls, lines, default=None):
+        """ reset values
+        """
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('number', None)
+        default.setdefault('state', cls.default_state())
+        return super(Line, cls).copy(moves, default=default)
+
     @classmethod
     def create(cls, vlist):
         """ add debit/credit