[IMP] splitted the printing of the invoice into 2 reports (using same rml): print preview and final printing

bzr revid: qdp@jade-20090120115653-mmuuvkeqwa7tjxai

addons/account/account_report.xml

@@ -15,9 +15,16 @@
             model="account.invoice"
             name="account.invoice"
             rml="account/report/invoice.rml"
-            string="Invoices"
+            string="Final Print"
             attachment="(object.state in ('open','paid')) and (time.strftime('%Y-%m-%d')+'-'+object.number)"
             attachment_use="1"/>
+         <report
+            auto="False"
+            id="account_invoices_preview"
+            model="account.invoice"
+            name="account.invoice.preview"
+            rml="account/report/invoice.rml"
+            string="Print Preview"/>
         <report id="account_transfers" model="account.transfer" name="account.transfer" string="Transfers" xml="account/report/transfer.xml" xsl="account/report/transfer.xsl"/>
         <report auto="False" id="account_intracom" menu="False" model="account.move.line" name="account.intracom" string="IntraCom"/>
 

addons/account/report/invoice.py

@@ -36,3 +36,9 @@ report_sxw.report_sxw(
     parser=account_invoice
 )
 
+report_sxw.report_sxw(
+    'report.account.invoice.preview',
+    'account.invoice',
+    'addons/account/report/invoice.rml',
+    parser=account_invoice
+)