Few minor improvements.

languages/fr-fr.py

@@ -226,7 +226,7 @@
 'Order by': 'Trié par',
 'Orderby': 'Trié par',
 'Origin': 'Origin',
-'Page generated in %s seconds': 'Page generated in %s seconds',
+'Page generated in %s seconds': 'Page générée en %s seconds',
 'Password': 'Mot de passe',
 "Password fields don't match": "Password fields don't match",
 'People': 'Personnes',

modules/plugin_event/callbacks.py

@@ -94,13 +94,19 @@ def ON_CREATE_LISTS2(values):
 
     df = func(**criteria)
 
+    # generate the configuration for Ext.grid.column.Column
     if df.empty:
-        return False
+        lst = [dict(xtype="rownumberer"),
+               dict(dataIndex="?",
+                    flex=1,
+                    hidden=False,
+                    text="?",
+                    xtype="gridcolumn")]
 
-    # generate the configuration for Ext.grid.column.Column
-    lst = to_extjs_gridcolumns(df)
-    values["columns"] = json.dumps(lst, indent=4, sort_keys=True)
+    else:
+        lst = to_extjs_gridcolumns(df)
 
+    values["columns"] = json.dumps(lst, indent=4, sort_keys=True)
     return False
 
 

modules/plugin_event/dataframes.py

@@ -1279,7 +1279,7 @@ class Timer(object):
         print '\n%s\n\telapsed time: %f ms' % (self.msg, self.msecs)
 
 
-def to_extjs_gridcolumns(df):
+def to_extjs_gridcolumns(df, meta=False):
     """Introspect the DataFrame in order to derive configuration for
     ``Ext.grid.column.Column`` which are used by an ``Ext.grid.Panel``.
 
@@ -1293,6 +1293,7 @@ def to_extjs_gridcolumns(df):
 
     Args:
         df (pandas.DataFrame):
+        meta (bool): add column with metadata identifier when true
 
     Returns:
         list:
@@ -1313,6 +1314,9 @@ def to_extjs_gridcolumns(df):
         cfg.dataIndex = cfg.text = colname
 
         if colname.startswith("id"):
+            if not meta:
+                continue
+
             cfg.flex = 0.5
             cfg.format = "0"
             cfg.hidden = True