=== modified file 'purchase_control_supplier/purchase_view.xml'
--- purchase_control_supplier/purchase_view.xml	2013-08-23 02:08:43 +0000
+++ purchase_control_supplier/purchase_view.xml	2013-10-17 10:50:58 +0000
@@ -30,5 +30,15 @@
                 </xpath>
             </field>
         </record>
+        <record id="purchase_order_line_form_fc" model="ir.ui.view">
+            <field name="name">purchase.order.line.form_FC</field>W
+            <field name="model">purchase.order.line</field>
+            <field name="inherit_id" ref="purchase.purchase_order_line_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//field['product_id']" position="attributes">
+                     <attribute name="context">{'supplier_id': parent.partner_id}</attribute>
+                </xpath>
+            </field>
+        </record>
     </data>
 </openerp>