diff -r f36d43f00f32 -r 874a055c373b web/views/basecontrollers.py
--- a/web/views/basecontrollers.py	Thu May 21 00:44:57 2009 +0200
+++ b/web/views/basecontrollers.py	Thu May 21 00:50:24 2009 +0200
@@ -18,7 +18,7 @@
 from cubicweb import NoSelectableObject, ValidationError, ObjectNotFound, typed_eid
 from cubicweb.utils import strptime
 from cubicweb.selectors import yes, match_user_groups
-from cubicweb.view import STRICT_DOCTYPE
+from cubicweb.view import STRICT_DOCTYPE, STRICT_DOCTYPE_NOEXT
 from cubicweb.common.mail import format_mail
 from cubicweb.web import ExplicitLogin, Redirect, RemoteCallFailed, json_dumps
 from cubicweb.web.formrenderers import FormRenderer
@@ -32,8 +32,13 @@
     HAS_SEARCH_RESTRICTION = False
 
 
-def xhtml_wrap(source):
-    head = u'<?xml version="1.0"?>\n' + STRICT_DOCTYPE
+def xhtml_wrap(self, source):
+    # XXX factor out, watch view.py ~ Maintemplate.doctype
+    if self.req.xhtml_browser():
+        dt = STRICT_DOCTYPE
+    else:
+        dt = STRICT_DOCTYPE_NOEXT
+    head = u'<?xml version="1.0"?>\n' + dt
     return head + u'<div xmlns="http://www.w3.org/1999/xhtml" xmlns:cubicweb="http://www.logilab.org/2008/cubicweb">%s</div>' % source.strip()
 
 def jsonize(func):
@@ -51,7 +56,7 @@
     def wrapper(self, *args, **kwargs):
         self.req.set_content_type(self.req.html_content_type())
         result = func(self, *args, **kwargs)
-        return xhtml_wrap(result)
+        return xhtml_wrap(self, result)
     wrapper.__name__ = func.__name__
     return wrapper
 
@@ -205,7 +210,7 @@
         self.req.set_content_type('text/html')
         jsarg = simplejson.dumps( (status, args) )
         return """<script type="text/javascript">
- window.parent.handleFormValidationResponse('entityForm', null, %s);
+ window.parent.handleFormValidationResponse('entityForm', null, null, %s);
 </script>""" %  simplejson.dumps( (status, args) )
 
     def validation_error(self, err):
@@ -379,11 +384,7 @@
             ctrl.publish(None, fromjson=True)
         except ValidationError, err:
             self.req.cnx.rollback()
-            if not err.entity or isinstance(err.entity, (long, int)):
-                eid = err.entity
-            else:
-                eid = err.entity.eid
-            return (False, (eid, err.errors))
+            return (False, (err.entity, err.errors))
         except Redirect, redir:
             return (True, redir.location)
         except Exception, err:
@@ -484,6 +485,24 @@
         rql = 'DELETE B bookmarked_by U WHERE B eid %(b)s, U eid %(u)s'
         self.req.execute(rql, {'b': typed_eid(beid), 'u' : self.req.user.eid})
 
+    def js_node_clicked(self, treeid, nodeeid):
+        """add/remove eid in treestate cookie"""
+        from cubicweb.web.views.treeview import treecookiename
+        cookies = self.req.get_cookie()
+        statename = treecookiename(treeid)
+        treestate = cookies.get(statename)
+        if treestate is None:
+            cookies[statename] = nodeeid
+            self.req.set_cookie(cookies, statename)
+        else:
+            marked = set(filter(None, treestate.value.split(';')))
+            if nodeeid in marked:
+                marked.remove(nodeeid)
+            else:
+                marked.add(nodeeid)
+            cookies[statename] = ';'.join(marked)
+            self.req.set_cookie(cookies, statename)
+
     def js_set_cookie(self, cookiename, cookievalue):
         # XXX we should consider jQuery.Cookie
         cookiename, cookievalue = str(cookiename), str(cookievalue)