--- a/view.py	Fri Jul 30 10:09:31 2010 +0200
+++ b/view.py	Fri Jul 30 13:18:36 2010 +0200
@@ -23,7 +23,6 @@
 from cStringIO import StringIO
 from warnings import warn
 
-from cubicweb.utils import json
 from logilab.common.deprecation import deprecated
 from logilab.mtconverter import xml_escape
 
@@ -33,6 +32,7 @@
 from cubicweb.selectors import yes, non_final_entity, nonempty_rset, none_rset
 from cubicweb.appobject import AppObject
 from cubicweb.utils import UStringIO, HTMLStream
+from cubicweb.uilib import domid, js
 from cubicweb.schema import display_name
 from cubicweb.vregistry import classid
 
@@ -325,7 +325,8 @@
         return self._cw.vreg["etypes"].etype_class(etype).cw_create_url(
             self._cw, **kwargs)
 
-    def field(self, label, value, row=True, show_label=True, w=None, tr=True, table=False):
+    def field(self, label, value, row=True, show_label=True, w=None, tr=True,
+              table=False):
         """read-only field"""
         if w is None:
             w = self.w
@@ -495,12 +496,11 @@
 
     def build_update_js_call(self, cbname, msg):
         rql = self.cw_rset.printable_rql()
-        return "javascript:userCallbackThenUpdateUI('%s', '%s', %s, %s, '%s', '%s')" % (
-            cbname, self.id, json.dumps(rql), json.dumps(msg),
-            self.__registry__, self.div_id())
+        return "javascript: %s" % js.userCallbackThenUpdateUI(
+            cbname, self.__regid__, rql, msg, self.__registry__, self.domid)
 
     def build_reload_js_call(self, cbname, msg):
-        return "javascript:userCallbackThenReloadPage('%s', %s)" % (cbname, json.dumps(msg))
+        return "javascript: %s" % js.userCallbackThenReloadPage(cbname, msg)
 
     build_js = build_update_js_call # expect updatable component by default