[FIX] Account_Budget : Correction on functional field calculation

lp bug: https://launchpad.net/bugs/663279 fixed

bzr revid: jvo@tinyerp.com-20101020135421-hd6koh378ojcrp08

addons/account_budget/account_budget.py

@@ -110,6 +110,7 @@ class crossovered_budget_lines(osv.osv):
 
     def _prac_amt(self, cr, uid, ids, context={}):
         res = {}
+        result = 0.0
         for line in self.browse(cr, uid, ids):
             acc_ids = [x.id for x in line.general_budget_id.account_ids]
             if not acc_ids:
@@ -120,10 +121,11 @@ class crossovered_budget_lines(osv.osv):
                 date_from = context['wizard_date_from']
             if context.has_key('wizard_date_to'):
                 date_to = context['wizard_date_to']
-            cr.execute("SELECT SUM(amount) FROM account_analytic_line WHERE account_id=%s AND (date "
+            if line.analytic_account_id.id:
+                cr.execute("SELECT SUM(amount) FROM account_analytic_line WHERE account_id=%s AND (date "
                        "between to_date(%s,'yyyy-mm-dd') AND to_date(%s,'yyyy-mm-dd')) AND "
                        "general_account_id=ANY(%s)", (line.analytic_account_id.id, date_from, date_to,acc_ids,))
-            result = cr.fetchone()[0]
+                result = cr.fetchone()[0]
             if result is None:
                 result = 0.00
             res[line.id] = result

addons/account_budget/account_budget_view.xml

@@ -131,6 +131,7 @@
                                     <field name="date_to"/>
                                     <field name="paid_date" select="1"/>
                                     <field name="planned_amount" select="1"/>
+                                    <field name="analytic_account_id"/>
                                     <field name="company_id" widget="selection" groups="base.group_multi_company"/>
                                 </form>
                             </field>