--- a/web/component.py	Tue Feb 17 13:48:58 2009 +0100
+++ b/web/component.py	Tue Feb 17 13:54:23 2009 +0100
@@ -17,8 +17,9 @@
 
 _ = unicode
 
+class VComponent(ComponentMixIn, View): pass
 
-class EntityVComponent(ComponentMixIn, View):
+class EntityVComponent(VComponent):
     """abstract base class for additinal components displayed in content
     headers and footer according to:
     

--- a/web/views/basecomponents.py	Tue Feb 17 13:48:58 2009 +0100
+++ b/web/views/basecomponents.py	Tue Feb 17 13:54:23 2009 +0100
@@ -5,7 +5,7 @@
 * the workflow history section for workflowable objects
 
 :organization: Logilab
-:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
 """
 __docformat__ = "restructuredtext en"
@@ -20,13 +20,13 @@
                                     match_form_params)
 
 from cubicweb.web.htmlwidgets import MenuWidget, PopupBoxMenu, BoxSeparator, BoxLink
-from cubicweb.web.component import (VComponent, SingletonVComponent, EntityVComponent, 
+from cubicweb.web.component import (VComponent, EntityVComponent, 
                                     RelatedObjectsVComponent)
 
 _ = unicode
 
 
-class RQLInputForm(SingletonVComponent):
+class RQLInputForm(VComponent):
     """build the rql input form, usually displayed in the header"""
     id = 'rqlinput'
     visible = False
@@ -55,7 +55,7 @@
         self.w(u'</form></div>')
 
 
-class ApplLogo(SingletonVComponent):
+class ApplLogo(VComponent):
     """build the application logo, usually displayed in the header"""
     id = 'logo'
     site_wide = True # don't want user to hide this component using an eproperty
@@ -64,7 +64,7 @@
                % (self.req.base_url(), self.req.external_resource('LOGO')))
 
 
-class ApplHelp(SingletonVComponent):
+class ApplHelp(VComponent):
     """build the help button, usually displayed in the header"""
     id = 'help'
     def call(self):
@@ -73,7 +73,7 @@
                   self.req._(u'help'),))
 
 
-class UserLink(SingletonVComponent):
+class UserLink(VComponent):
     """if the user is the anonymous user, build a link to login
     else a link to the connected user object with a loggout link
     """
@@ -114,7 +114,7 @@
                    % (self.build_url('login'), self.req._('login')))
 
 
-class ApplicationMessage(SingletonVComponent):
+class ApplicationMessage(VComponent):
     """display application's messages given using the __message parameter
     into a special div section
     """
@@ -169,7 +169,7 @@
                        displaycols=displaycols, headers=headers)
 
 
-class ApplicationName(SingletonVComponent):
+class ApplicationName(VComponent):
     """display the application name"""
     id = 'appliname'
 
@@ -190,7 +190,7 @@
     help = _('contentnavigation_seealso_description')
 
     
-class EtypeRestrictionComponent(SingletonVComponent):
+class EtypeRestrictionComponent(VComponent):
     """displays the list of entity types contained in the resultset
     to be able to filter accordingly.
     """