# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
"""Set of HTML base actions"""
__docformat__ = "restructuredtext en"
_ = unicode
from warnings import warn
from logilab.mtconverter import xml_escape
from logilab.common.registry import objectify_predicate, yes
from cubicweb.schema import display_name
from cubicweb.predicates import (EntityPredicate,
one_line_rset, multi_lines_rset, one_etype_rset, relation_possible,
nonempty_rset, non_final_entity, score_entity,
authenticated_user, match_user_groups, match_search_state,
has_permission, has_add_permission, is_instance, debug_mode,
)
from cubicweb.web import controller, action
from cubicweb.web.views import uicfg, linksearch_select_url, vid_from_rset
class has_editable_relation(EntityPredicate):
"""accept if some relations for an entity found in the result set is
editable by the logged user.
See `EntityPredicate` documentation for behaviour when row is not specified.
"""
def score_entity(self, entity):
# if user has no update right but it can modify some relation,
# display action anyway
form = entity._cw.vreg['forms'].select('edition', entity._cw,
entity=entity, mainform=False)
for dummy in form.editable_relations():
return 1
for dummy in form.inlined_relations():
return 1
for dummy in form.editable_attributes(strict=True):
return 1
return 0
@objectify_predicate
def match_searched_etype(cls, req, rset=None, **kwargs):
return req.match_search_state(rset)
@objectify_predicate
def view_is_not_default_view(cls, req, rset=None, **kwargs):
# interesting if it propose another view than the current one
vid = req.form.get('vid')
if vid and vid != vid_from_rset(req, rset, req.vreg.schema):
return 1
return 0
@objectify_predicate
def addable_etype_empty_rset(cls, req, rset=None, **kwargs):
if rset is not None and not rset.rowcount:
rqlst = rset.syntax_tree()
if len(rqlst.children) > 1:
return 0
select = rqlst.children[0]
if len(select.defined_vars) == 1 and len(select.solutions) == 1:
rset._searched_etype = select.solutions[0].itervalues().next()
eschema = req.vreg.schema.eschema(rset._searched_etype)
if not (eschema.final or eschema.is_subobject(strict=True)) \
and eschema.has_perm(req, 'add'):
return 1
return 0
class has_undoable_transactions(EntityPredicate):
"Select entities having public (i.e. end-user) undoable transactions."
def score_entity(self, entity):
if not entity._cw.vreg.config['undo-enabled']:
return 0
if entity._cw.cnx.undoable_transactions(eid=entity.eid):
return 1
else:
return 0
# generic 'main' actions #######################################################
class SelectAction(action.Action):
"""base class for link search actions. By default apply on
any size entity result search it the current state is 'linksearch'
if accept match.
"""
__regid__ = 'select'
__select__ = (match_search_state('linksearch') & nonempty_rset()
& match_searched_etype())
title = _('select')
category = 'mainactions'
order = 0
def url(self):
return linksearch_select_url(self._cw, self.cw_rset)
class CancelSelectAction(action.Action):
__regid__ = 'cancel'
__select__ = match_search_state('linksearch')
title = _('cancel select')
category = 'mainactions'
order = 10
def url(self):
target, eid, r_type, searched_type = self._cw.search_state[1]
return self._cw.build_url(str(eid),
vid='edition', __mode='normal')
class ViewAction(action.Action):
__regid__ = 'view'
__select__ = (action.Action.__select__ &
match_user_groups('users', 'managers') &
view_is_not_default_view() &
non_final_entity())
title = _('view')
category = 'mainactions'
order = 0
def url(self):
params = self._cw.form.copy()
for param in ('vid', '__message') + controller.NAV_FORM_PARAMETERS:
params.pop(param, None)
if self._cw.ajax_request:
path = 'view'
if self.cw_rset is not None:
params = {'rql': self.cw_rset.printable_rql()}
else:
path = self._cw.relative_path(includeparams=False)
return self._cw.build_url(path, **params)
class ModifyAction(action.Action):
__regid__ = 'edit'
__select__ = (action.Action.__select__
& one_line_rset() & has_editable_relation())
title = _('modify')
category = 'mainactions'
order = 10
def url(self):
entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
return entity.absolute_url(vid='edition')
class MultipleEditAction(action.Action):
__regid__ = 'muledit' # XXX get strange conflicts if id='edit'
__select__ = (action.Action.__select__ & multi_lines_rset() &
one_etype_rset() & has_permission('update'))
title = _('modify')
category = 'mainactions'
order = 10
def url(self):
return self._cw.build_url('view', rql=self.cw_rset.printable_rql(), vid='muledit')
# generic "more" actions #######################################################
class ManagePermissionsAction(action.Action):
__regid__ = 'managepermission'
__select__ = (action.Action.__select__ & one_line_rset() &
non_final_entity() & match_user_groups('managers'))
title = _('manage permissions')
category = 'moreactions'
order = 15
def url(self):
return self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0).absolute_url(vid='security')
class DeleteAction(action.Action):
__regid__ = 'delete'
__select__ = action.Action.__select__ & has_permission('delete')
title = _('delete')
category = 'moreactions'
order = 20
def url(self):
if len(self.cw_rset) == 1:
entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
return self._cw.build_url(entity.rest_path(), vid='deleteconf')
return self._cw.build_url(rql=self.cw_rset.printable_rql(), vid='deleteconf')
class CopyAction(action.Action):
__regid__ = 'copy'
__select__ = (action.Action.__select__ & one_line_rset()
& has_permission('add'))
title = _('copy')
category = 'moreactions'
order = 30
def url(self):
entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
return entity.absolute_url(vid='copy')
class AddNewAction(MultipleEditAction):
"""when we're seeing more than one entity with the same type, propose to
add a new one
"""
__regid__ = 'addentity'
__select__ = (action.Action.__select__ &
(addable_etype_empty_rset()
| (multi_lines_rset() & one_etype_rset() & has_add_permission()))
)
category = 'moreactions'
order = 40
@property
def rsettype(self):
if self.cw_rset:
return self.cw_rset.description[0][0]
return self.cw_rset._searched_etype
@property
def title(self):
return self._cw.__('add a %s' % self.rsettype) # generated msgid
def url(self):
return self._cw.vreg["etypes"].etype_class(self.rsettype).cw_create_url(self._cw)
class AddRelatedActions(action.Action):
"""fill 'addrelated' sub-menu of the actions box"""
__regid__ = 'addrelated'
__select__ = action.Action.__select__ & one_line_rset() & non_final_entity()
submenu = _('addrelated')
order = 17
def fill_menu(self, box, menu):
# when there is only one item in the sub-menu, replace the sub-menu by
# item's title prefixed by 'add'
menu.label_prefix = self._cw._('add')
super(AddRelatedActions, self).fill_menu(box, menu)
def redirect_params(self, entity):
return {'__redirectpath': entity.rest_path(), # should not be url quoted!
'__redirectvid': self._cw.form.get('vid', '')}
def actual_actions(self):
entity = self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0)
eschema = entity.e_schema
params = self.redirect_params(entity)
for rschema, teschema, role in self.add_related_schemas(entity):
if rschema.role_rdef(eschema, teschema, role).role_cardinality(role) in '1?':
if entity.related(rschema, role):
continue
if role == 'subject':
label = 'add %s %s %s %s' % (eschema, rschema, teschema, role)
url = self.linkto_url(entity, rschema, teschema, 'object', **params)
else:
label = 'add %s %s %s %s' % (teschema, rschema, eschema, role)
url = self.linkto_url(entity, rschema, teschema, 'subject', **params)
yield self.build_action(self._cw._(label), url)
def add_related_schemas(self, entity):
"""this is actually used ui method to generate 'addrelated' actions from
the schema.
If you don't want any auto-generated actions, you should overrides this
method to return an empty list. If you only want some, you can configure
them by using uicfg.actionbox_appearsin_addmenu
"""
appearsin_addmenu = self._cw.vreg['uicfg'].select(
'actionbox_appearsin_addmenu', self._cw, entity=entity)
req = self._cw
eschema = entity.e_schema
for role, rschemas in (('subject', eschema.subject_relations()),
('object', eschema.object_relations())):
for rschema in rschemas:
if rschema.final:
continue
for teschema in rschema.targets(eschema, role):
if not appearsin_addmenu.etype_get(eschema, rschema,
role, teschema):
continue
rdef = rschema.role_rdef(eschema, teschema, role)
# check the relation can be added
# XXX consider autoform_permissions_overrides?
if role == 'subject'and not rdef.has_perm(
req, 'add', fromeid=entity.eid):
continue
if role == 'object'and not rdef.has_perm(
req, 'add', toeid=entity.eid):
continue
# check the target types can be added as well
if teschema.may_have_permission('add', req):
yield rschema, teschema, role
def linkto_url(self, entity, rtype, etype, target, **kwargs):
return self._cw.vreg["etypes"].etype_class(etype).cw_create_url(
self._cw, __linkto='%s:%s:%s' % (rtype, entity.eid, target),
**kwargs)
class ViewSameCWEType(action.Action):
"""when displaying the schema of a CWEType, offer to list entities of that type
"""
__regid__ = 'entitiesoftype'
__select__ = one_line_rset() & is_instance('CWEType') & score_entity(lambda x: not x.final)
category = 'mainactions'
order = 40
@property
def etype(self):
return self.cw_rset.get_entity(0,0).name
@property
def title(self):
return self._cw.__('view all %s') % display_name(self._cw, self.etype, 'plural').lower()
def url(self):
return self._cw.build_url(self.etype)
# logged user actions #########################################################
class UserPreferencesAction(action.Action):
__regid__ = 'myprefs'
__select__ = authenticated_user()
title = _('user preferences')
category = 'useractions'
order = 10
def url(self):
return self._cw.build_url(self.__regid__)
class UserInfoAction(action.Action):
__regid__ = 'myinfos'
__select__ = authenticated_user()
title = _('profile')
category = 'useractions'
order = 20
def url(self):
return self._cw.build_url('cwuser/%s'%self._cw.user.login, vid='edition')
class LogoutAction(action.Action):
__regid__ = 'logout'
__select__ = authenticated_user()
title = _('logout')
category = 'useractions'
order = 30
def url(self):
return self._cw.build_url(self.__regid__)
# site actions ################################################################
class ManagersAction(action.Action):
__abstract__ = True
__select__ = match_user_groups('managers')
category = 'siteactions'
def url(self):
return self._cw.build_url(self.__regid__)
class SiteConfigurationAction(ManagersAction):
__regid__ = 'siteconfig'
title = _('site configuration')
order = 10
category = 'manage'
class ManageAction(ManagersAction):
__regid__ = 'manage'
title = _('manage')
order = 20
# footer actions ###############################################################
class PoweredByAction(action.Action):
__regid__ = 'poweredby'
__select__ = yes()
category = 'footer'
order = 3
title = _('Powered by CubicWeb')
def url(self):
return 'http://www.cubicweb.org'
## default actions ui configuration ###########################################
addmenu = uicfg.actionbox_appearsin_addmenu
addmenu.tag_object_of(('*', 'relation_type', 'CWRType'), True)
addmenu.tag_object_of(('*', 'from_entity', 'CWEType'), False)
addmenu.tag_object_of(('*', 'to_entity', 'CWEType'), False)
addmenu.tag_object_of(('*', 'in_group', 'CWGroup'), True)
addmenu.tag_object_of(('*', 'bookmarked_by', 'CWUser'), True)