[FIX] account_voucher: implemented on_change to set voucher date based on statement...

bzr revid: rha@tinyerp.com-20130515105728-u4zh5jb4biphx1h8

diff --cc addons/account_voucher/account_voucher.py
index bbd8976,4b4639d..d6869e1
--- 1/addons/account_voucher/account_voucher.py
--- 2/addons/account_voucher/account_voucher.py
+++ b/addons/account_voucher/account_voucher.py
@@@ -1645,6 -1608,6 +1645,13 @@@ account_bank_statement(
  
  class account_bank_statement_line(osv.osv):
      _inherit = 'account.bank.statement.line'
++    
++    def onchange_line_date(self, cr, uid, ids, date, context=None):
++        voucher_obj = self.pool.get('account.voucher')
++        for statement_line in self.browse(cr, uid, ids, context=context):
++            if statement_line.voucher_id:
++                voucher_obj.write(cr, uid, [statement_line.voucher_id.id], {'date': date}, context=context)
++        return {}
  
      def onchange_partner_id(self, cr, uid, ids, partner_id, context=None):
          res = super(account_bank_statement_line, self).onchange_partner_id(cr, uid, ids, partner_id, context=context)

diff --cc addons/account_voucher/account_voucher_view.xml
index 4674d62,4674d62..e8deccd
--- 1/addons/account_voucher/account_voucher_view.xml
--- 2/addons/account_voucher/account_voucher_view.xml
+++ b/addons/account_voucher/account_voucher_view.xml
@@@ -221,6 -221,6 +221,9 @@@
                  <field name="amount" position="attributes">
                      <attribute name="on_change">onchange_amount(amount)</attribute>
                  </field>
++                <xpath expr="//page[@name='statement_line_ids']/field[@name='line_ids']/tree/field[@name='date']" position="attributes">
++                    <attribute name="on_change">onchange_line_date(date)</attribute>
++                </xpath>
              </field>
          </record>