From 77fad18f8aff1c52eb86600b1dbead04f1b0cd20 Mon Sep 17 00:00:00 2001
From: Martin Trigaux <mat@odoo.com>
Date: Tue, 2 Aug 2016 18:12:25 +0200
Subject: [PATCH] [IMP] pos_cache: clarify button function

The button does not recompute the cache, it removes it which will be recomputed
when you launch a POS.
Hide the button when there is no cache (e.g. after installation).
---
 addons/pos_cache/views/pos_cache_views.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/addons/pos_cache/views/pos_cache_views.xml b/addons/pos_cache/views/pos_cache_views.xml
index dca4b9cf07c..9b4454c45d7 100644
--- a/addons/pos_cache/views/pos_cache_views.xml
+++ b/addons/pos_cache/views/pos_cache_views.xml
@@ -9,7 +9,8 @@
                 <xpath expr="//field[@name='currency_id']" position="after">
                     <field name='oldest_cache_time'/>
                     <button name='delete_cache' type="object"
-                        string="Recompute cache"/>
+                        string="Invalidate cache"
+                        attrs="{'invisible': [('oldest_cache_time', '=', False)]}"/>
                 </xpath>
             </field>
         </record>