From d4e673103e40c9b19de8cd55a960dea33612a85d Mon Sep 17 00:00:00 2001
From: Alexis de Lattre <alexis.delattre@akretion.com>
Date: Mon, 9 Jul 2018 17:44:55 +0200
Subject: [PATCH] Show 'base' field in tax lines on invoice form view

---
 account_usability/account_view.xml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/account_usability/account_view.xml b/account_usability/account_view.xml
index c5bdc95..53548c0 100644
--- a/account_usability/account_view.xml
+++ b/account_usability/account_view.xml
@@ -19,6 +19,9 @@
         <field name="invoice_line_ids" position="before">
             <button name="delete_lines_qty_zero" states="draft" string="⇒ Delete lines qty=0" type="object" class="oe_link oe_right" groups="account.group_account_invoice"/>
         </field>
+        <xpath expr="//field[@name='tax_line_ids']/tree/field[@name='amount']" position="before">
+            <field name="base" readonly="1"/>
+        </xpath>
     </field>
 </record>
 
@@ -35,6 +38,9 @@
         <field name="move_id" position="before">
             <field name="sent"/>
         </field>
+        <xpath expr="//field[@name='tax_line_ids']/tree/field[@name='amount']" position="before">
+            <field name="base" readonly="1"/>
+        </xpath>
     </field>
 </record>