From 9bdced79747c81630510ae3e3204848c34ada81f Mon Sep 17 00:00:00 2001
From: Holger Brunn <hbrunn@therp.nl>
Date: Wed, 10 Sep 2014 12:32:24 +0200
Subject: [PATCH] [IMP] better filter for when to show preview button

---
 attachment_preview/static/src/xml/attachment_preview.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/attachment_preview/static/src/xml/attachment_preview.xml b/attachment_preview/static/src/xml/attachment_preview.xml
index 5d217ef6..d345741b 100644
--- a/attachment_preview/static/src/xml/attachment_preview.xml
+++ b/attachment_preview/static/src/xml/attachment_preview.xml
@@ -2,7 +2,7 @@
 <templates>
     <t t-extend="Sidebar">
         <t t-jquery="a.oe_sidebar_delete_item" t-operation="before">
-            <a t-if="section.name == 'files' and !item.callback" href="#" class="oe-sidebar-attachment-preview" t-att-data-id="item.id" t-att-data-url="item.url" t-attf-title="Preview #{item.name}">
+            <a t-if="section.name == 'files' and !item.callback and item.url" href="#" class="oe-sidebar-attachment-preview" t-att-data-id="item.id" t-att-data-url="item.url" t-attf-title="Preview #{item.name}">
                 <img t-att-src='_s + "/web/static/src/img/icons/gtk-print-preview.png"' width="12" height="12" border="0"/>
             </a>
         </t>