Add number and sequence on statement line

issue4013
review9451005

CHANGELOG

@@ -1,3 +1,4 @@
+* Add number and sequence on statement line
 * Switch journal debit/credit account usage
 
 Version 3.2.0 - 2014-04-21

statement.py

@@ -345,6 +345,8 @@ class Line(ModelSQL, ModelView):
     __name__ = 'account.statement.line'
     statement = fields.Many2One('account.statement', 'Statement',
             required=True, ondelete='CASCADE')
+    sequence = fields.Integer('Sequence')
+    number = fields.Char('Number')
     date = fields.Date('Date', required=True)
     amount = fields.Numeric('Amount', required=True,
         digits=(16, Eval('_parent_statement', {}).get('currency_digits', 2)))
@@ -369,6 +371,7 @@ class Line(ModelSQL, ModelView):
     @classmethod
     def __setup__(cls):
         super(Line, cls).__setup__()
+        cls._order.insert(0, ('sequence', 'ASC'))
         cls._error_messages.update({
                 'debit_credit_account_statement_journal': ('Please provide '
                     'debit and credit account on statement journal "%s".'),
@@ -383,6 +386,11 @@ class Line(ModelSQL, ModelView):
                 'Amount should be a positive or negative value.'),
             ]
 
+    @staticmethod
+    def order_sequence(tables):
+        table, _ = tables[None]
+        return [table.sequence == None, table.sequence]
+
     @staticmethod
     def default_amount():
         return Decimal(0)

view/statement_line_form.xml

@@ -4,6 +4,10 @@ this repository contains the full copyright notices and license terms. -->
 <form string="Statement Line">
     <label name="statement"/>
     <field name="statement" colspan="3"/>
+    <label name="number"/>
+    <field name="number"/>
+    <label name="sequence"/>
+    <field name="sequence"/>
     <label name="date"/>
     <field name="date"/>
     <label name="amount"/>

view/statement_line_tree.xml

@@ -3,6 +3,7 @@
 this repository contains the full copyright notices and license terms. -->
 <tree string="Statement Lines">
     <field name="statement"/>
+    <field name="number"/>
     <field name="date"/>
     <field name="amount"/>
     <field name="party"/>

view/statement_line_tree_editable.xml

@@ -1,7 +1,8 @@
 <?xml version="1.0"?>
 <!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
-<tree string="Statement Lines" editable="bottom">
+<tree string="Statement Lines" editable="bottom" sequence="sequence">
+    <field name="number"/>
     <field name="date"/>
     <field name="amount" sum="Amount"/>
     <field name="party"/>