[FIX] purchase: hide receive invoice if invoice based on purchase order line.

It has to be done manually.

opw-603620

bzr revid: dle@openerp.com-20140204124249-qjjhulqojvcm08k4

addons/purchase/purchase_view.xml

@@ -173,7 +173,7 @@
                     <button name="invoice_ok" states="except_invoice" string="Manually Corrected"/>
                     <button name="purchase_approve" states="confirmed" string="Approve Order" class="oe_highlight" groups="purchase.group_purchase_manager"/>
                     <button name="view_picking" string="Receive Products" type="object" attrs="{'invisible': ['|', ('shipped','=',True), ('state','!=', 'approved')]}" class="oe_highlight"/>
-                    <button name="view_invoice" string="Receive Invoice" type="object" attrs="{'invisible': ['|', ('invoice_method','=','picking'), '|', ('state','!=', 'approved'), ('invoiced','=',True) ]}" class="oe_highlight"/>
+                    <button name="view_invoice" string="Receive Invoice" type="object" attrs="{'invisible': ['|', ('invoice_method','in', ['picking', 'manual']), '|', ('state','!=', 'approved'), ('invoiced','=',True) ]}" class="oe_highlight"/>
                     <button name="action_cancel_draft" states="cancel,sent,confirmed" string="Set to Draft" type="object" />
                     <button name="purchase_cancel" states="draft,confirmed,sent" string="Cancel Order"/>
                     <field name="state" widget="statusbar" statusbar_visible="draft,sent,approved,done" statusbar_colors='{"except_picking":"red","except_invoice":"red","confirmed":"blue"}' readonly="1"/>