info bei nicht-festgeschriebener rechnung

wizard_runreport.py

@@ -6,6 +6,8 @@
 from trytond.model import ModelView, fields
 from trytond.wizard import Wizard, StateView, StateReport, Button
 from trytond.pool import Pool
+from trytond.exceptions import UserError
+from trytond.i18n import gettext
 from trytond.transaction import Transaction
 
 
@@ -20,13 +22,14 @@ edoc_versions = {
     }
 
 
-
 class RunXRechnungReportStart(ModelView):
     'eDocument Export'
     __name__ = 'account_invoice_xrechnung.runrep.start'
 
     invoice = fields.Many2One(string='Invoice', readonly=True,
         model_name='account.invoice', required=True)
+    state = fields.Char(string='State', readonly=True,
+        states={'invisible': True})
     edocument = fields.Selection(string='Type', required=True,
         selection=sel_edocument)
     as_zip = fields.Boolean(string='ZIP-File')
@@ -65,16 +68,24 @@ class RunXRechnungReport(Wizard):
         """ set defaults
         """
         context = Transaction().context
+        Invoice = Pool().get('account.invoice')
 
+        invoice = Invoice.browse([context.get('active_id', -1)])
         result = {
             'edocument': 'edocument.xrechnung.invoice',
             'invoice': context.get('active_id', -1),
+            'state': invoice[0].state if len(invoice) > 0 else '',
             }
         return result
 
     def do_export(self, action):
         """ run export
         """
+        if self.start.state != 'posted':
+            raise UserError(gettext(
+                'account_invoice_xrechnung.msg_invoice_must_posted',
+                invname = self.start.invoice.rec_name,
+                ))
         return action, {
             'invoice': self.start.invoice.id,
             'edocument': self.start.edocument,