refactor the code to add the path of preference separately

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44216 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/Base_getPreferencePathList.xml

@@ -54,9 +54,20 @@
 \n
 if context.portal_membership.isAnonymousUser():\n
   return dumps(None)\n
+\n
 portal_preferences = context.portal_preferences\n
-return dumps(dict(preference=portal_preferences.getActivePreference().getRelativeUrl(), \n
-             system_preference=portal_preferences.getActiveSystemPreference().getRelativeUrl()))\n
+preference = portal_preferences.getActivePreference()\n
+system_preference = portal_preferences.getActiveSystemPreference()\n
+\n
+preference_dict = {}\n
+\n
+if preference:\n
+  preference_dict["preference"] = preference.getRelativeUrl()\n
+\n
+if system_preference:\n
+  preference_dict["system_preference"] = system_preference.getRelativeUrl()\n
+\n
+return dumps(preference_dict)\n
 </string> </value>
         </item>
         <item>

bt5/erp5_web_ung_theme/bt/revision

-291
\ No newline at end of file
+292
\ No newline at end of file