The python binding of the ExtJS components inherited from gluon.storage.Storage instead of dict.

modules/plugin_dbui/extjs.py

@@ -5,6 +5,7 @@
 """
 
 from gluon import current
+from gluon.storage import Storage
 from gluon.tools import PluginManager
 
 MSG_XTYPE = 'Invalid keyword "xtype"'
@@ -13,7 +14,7 @@ MSG_XTYPE = 'Invalid keyword "xtype"'
 class ExtJSException(BaseException): pass
 
 
-class Base(dict):
+class Base(Storage):
     """Base class for Ext JS configurator.
     
     The base class comes with two methods C{append_items}