Use active_ids in relate actions

__init__.py

@@ -10,6 +10,7 @@ def register():
     Pool.register(
         Sale,
         SaleLine,
+        Work,
         Product,
         ConfigurationCompany,
         Configuration,

sale.py

@@ -5,7 +5,7 @@ from trytond.pool import Pool, PoolMeta
 from trytond.transaction import Transaction
 from trytond.pyson import Eval, Bool
 
-__all__ = ['Sale', 'SaleLine', 'ConfigurationCompany', 'Configuration']
+__all__ = ['Sale', 'SaleLine', 'ConfigurationCompany', 'Configuration', 'Work']
 __metaclass__ = PoolMeta
 
 PROJECT_METHODS = [
@@ -163,3 +163,10 @@ class SaleLine():
     def create_works(cls, lines):
         for line in lines:
             line.create_work()
+
+
+class Work():
+    __name__ = 'project.work'
+
+    sale_lines = fields.One2Many('sale.line', 'work', 'Sale Lines',
+        readonly=True)

sale.xml

@@ -17,7 +17,7 @@
         <record model="ir.action.act_window" id="act_work_form">
             <field name="name">Project/Task</field>
             <field name="res_model">project.work</field>
-            <field name="domain">[('id', '=', Eval('work'))]</field>
+            <field name="domain">[('sale_lines', 'in', Eval('active_ids'))]</field>
         </record>
         <record model="ir.action.keyword" id="act_work_keyword1">
             <field name="keyword">form_relate</field>