Do not show RSS logo field if we have no configured RSS gadget at all.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@38509 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_knowledge_pad/SkinTemplateItem/portal_skins/erp5_gadget/ERP5Site_viewRssGadget/logo.xml

@@ -152,7 +152,9 @@
                 </item>
                 <item>
                     <key> <string>enabled</string> </key>
-                    <value> <string></string> </value>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
+                    </value>
                 </item>
                 <item>
                     <key> <string>external_validator</string> </key>
@@ -308,4 +310,17 @@
       </dictionary>
     </pickle>
   </record>
+  <record id="3" aka="AAAAAAAAAAM=">
+    <pickle>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_text</string> </key>
+            <value> <string>python: request.get(\'rss_logo\',\'\') not in (\'\', None)</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
 </ZopeData>

bt5/erp5_knowledge_pad/bt/revision

-546
\ No newline at end of file
+547
\ No newline at end of file