cubicweb: web/form.py@0d792bceb25d (annotated)

5421 8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	1	# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	2	# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	3	#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	4	# This file is part of CubicWeb.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	5	#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	6	# CubicWeb is free software: you can redistribute it and/or modify it under the
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	7	# terms of the GNU Lesser General Public License as published by the Free
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	8	# Software Foundation, either version 2.1 of the License, or (at your option)
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	9	# any later version.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	10	#
5424 8ecbcbff9777 replace logilab-common by CubicWeb in disclaimer Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5421 diff changeset	11	# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
5421 8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	12	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	13	# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	14	# details.
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	15	#
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	16	# You should have received a copy of the GNU Lesser General Public License along
8167de96c523 proper licensing information (LGPL-2.1). Hope I get it right this time. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5369 diff changeset	17	# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
5588 377c9adfe81e [forms] refactor action handling to ease overriding while keeping action overrideable by instance (closes #969167) Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5547 diff changeset	18	"""abstract form classes for CubicWeb web client"""
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	19	__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	20
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	21	from warnings import warn
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	22
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	23	from logilab.common.decorators import iclassmethod
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	24	from logilab.common.deprecation import deprecated
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	25
2656 a93ae0f6c0ad R [base classes] only AppObject remaning, no more AppRsetObject Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2005 diff changeset	26	from cubicweb.appobject import AppObject
1133 8a409ea0c9ec more linting sylvain.thenault@logilab.fr parents: 1132 diff changeset	27	from cubicweb.view import NOINDEX, NOFOLLOW
5369 68c33344581c fix NameError Aurelien Campeas <aurelien.campeas@logilab.fr> parents: 5368 diff changeset	28	from cubicweb.web import httpcache, formfields, controller, formwidgets as fwdgs
1097 611bacbbe001 pylint fixes, media definitions on form as well sylvain.thenault@logilab.fr parents: 1082 diff changeset	29
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	30	class FormViewMixIn(object):
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	31	"""abstract form view mix-in"""
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	32	category = 'form'
1995 ec95eaa2b711 turn renderers into appobjects Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 1977 diff changeset	33	http_cache_manager = httpcache.NoHTTPCacheManager
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	34	add_to_breadcrumbs = False
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	35
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	36	def html_headers(self):
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	37	"""return a list of html headers (eg something to be inserted between
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	38	<head> and </head> of the returned page
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	39
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	40	by default forms are neither indexed nor followed
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	41	"""
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	42	return [NOINDEX, NOFOLLOW]
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	43
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	44	def linkable(self):
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	45	"""override since forms are usually linked by an action,
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	46	so we don't want them to be listed by appli.possible_views
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	47	"""
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	48	return False
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	49
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	50
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	51	###############################################################################
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	52
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	53	class metafieldsform(type):
1406 133476216f4a define self.fields before it is used ... Aurelien Campeas <aurelien.campeas@logilab.fr> parents: 1400 diff changeset	54	"""metaclass for FieldsForm to retrieve fields defined as class attributes
133476216f4a define self.fields before it is used ... Aurelien Campeas <aurelien.campeas@logilab.fr> parents: 1400 diff changeset	55	and put them into a single ordered list: '_fields_'.
1393 ff6758d7b96f cleanup, more docstring sylvain.thenault@logilab.fr parents: 1392 diff changeset	56	"""
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	57	def __new__(mcs, name, bases, classdict):
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	58	allfields = []
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	59	for base in bases:
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	60	if hasattr(base, '_fields_'):
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	61	allfields += base._fields_
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	62	clsfields = (item for item in classdict.items()
2005 e8032965f37a turn every form class into appobject. They should not be instantiated manually anymore. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 1995 diff changeset	63	if isinstance(item[1], formfields.Field))
869 168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm sylvain.thenault@logilab.fr parents: 867 diff changeset	64	for fieldname, field in sorted(clsfields, key=lambda x: x[1].creation_rank):
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	65	if not field.name:
869 168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm sylvain.thenault@logilab.fr parents: 867 diff changeset	66	field.set_name(fieldname)
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	67	allfields.append(field)
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	68	classdict['_fields_'] = allfields
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	69	return super(metafieldsform, mcs).__new__(mcs, name, bases, classdict)
1270 53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	70
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	71
1270 53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	72	class FieldNotFound(Exception):
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	73	"""raised by field_by_name when a field with the given name has not been
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	74	found
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	75	"""
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	76
3475 9c07e6c48e35 [forms] drop FormMixIn deprecated in 3.2 Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3451 diff changeset	77	class Form(AppObject):
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	78	__metaclass__ = metafieldsform
1047 21d4d5e6aa45 make forms selectable (appobject) sylvain.thenault@logilab.fr parents: 1032 diff changeset	79	__registry__ = 'forms'
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	80
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	81	parent_form = None
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	82	force_session_key = None
4668 9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	83	domid = 'form'
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	84	copy_nav_params = False
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	85
4668 9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	86	def __init__(self, req, rset=None, row=None, col=None,
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	87	submitmsg=None, mainform=True, **kwargs):
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	88	super(Form, self).__init__(req, rset=rset, row=row, col=col)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	89	self.fields = list(self.__class__._fields_)
4683 c375d50eaad3 [form] only set __form_id for the main form, not for sub-forms. Should fix regression introduced by 4668:9f82f81bf13d Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4668 diff changeset	90	if mainform:
c375d50eaad3 [form] only set __form_id for the main form, not for sub-forms. Should fix regression introduced by 4668:9f82f81bf13d Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4668 diff changeset	91	self.add_hidden(u'__form_id', kwargs.pop('formvid', self.__regid__))
4668 9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	92	for key, val in kwargs.iteritems():
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	93	if key in controller.NAV_FORM_PARAMETERS:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	94	self.add_hidden(key, val)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	95	elif key == 'redirect_path':
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	96	self.add_hidden(u'__redirectpath', val)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	97	elif hasattr(self.__class__, key) and not key[0] == '_':
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	98	setattr(self, key, val)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	99	else:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	100	self.cw_extra_kwargs[key] = val
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	101	# skip other parameters, usually given for selection
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	102	# (else write a custom class to handle them)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	103	if mainform:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	104	self.add_hidden(u'__errorurl', self.session_key())
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	105	self.add_hidden(u'__domid', self.domid)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	106	self.restore_previous_post(self.session_key())
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	107	# XXX why do we need two different variables (mainform and copy_nav_params ?)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	108	if self.copy_nav_params:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	109	for param in controller.NAV_FORM_PARAMETERS:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	110	if not param in kwargs:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	111	value = req.form.get(param)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	112	if value:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	113	self.add_hidden(param, value)
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	114	if submitmsg is not None:
9f82f81bf13d [form] fix #719285, due to multiple calls to restore_previous_post, by proper refactorings Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4252 diff changeset	115	self.add_hidden(u'__message', submitmsg)
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	116
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	117	@property
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	118	def root_form(self):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	119	"""return the root form"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	120	if self.parent_form is None:
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	121	return self
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	122	return self.parent_form.root_form
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	123
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	124	@property
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	125	def form_valerror(self):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	126	"""the validation error exception if any"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	127	if self.parent_form is None:
5358 d4d294610ee7 [forms] no crash if restore_previous_post has not be called, has in report bug form in management.py for instance Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5223 diff changeset	128	# unset if restore_previous_post has not be called
d4d294610ee7 [forms] no crash if restore_previous_post has not be called, has in report bug form in management.py for instance Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5223 diff changeset	129	return getattr(self, '_form_valerror', None)
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	130	return self.parent_form.form_valerror
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	131
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	132	@property
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	133	def form_previous_values(self):
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	134	"""previously posted values (on validation error)"""
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	135	if self.parent_form is None:
5358 d4d294610ee7 [forms] no crash if restore_previous_post has not be called, has in report bug form in management.py for instance Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5223 diff changeset	136	# unset if restore_previous_post has not be called
d4d294610ee7 [forms] no crash if restore_previous_post has not be called, has in report bug form in management.py for instance Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5223 diff changeset	137	return getattr(self, '_form_previous_values', {})
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	138	return self.parent_form.form_previous_values
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	139
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	140	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	141	def _fieldsattr(cls_or_self):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	142	if isinstance(cls_or_self, type):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	143	fields = cls_or_self._fields_
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	144	else:
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	145	fields = cls_or_self.fields
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	146	return fields
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	147
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	148	@iclassmethod
4165 eb9acad29407 proper field's role handling: may be 'subject' / 'object' in case Sylvain Thénault <sylvain.thenault@logilab.fr>* parents: 4082 diff changeset	149	def field_by_name(cls_or_self, name, role=None):
5368 d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	150	"""Return field with the given name and role.
d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	151
d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	152	Raise :exc:`FieldNotFound` if the field can't be found.
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	153	"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	154	for field in cls_or_self._fieldsattr():
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	155	if field.name == name and field.role == role:
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	156	return field
4235 49eb7e87d36d specify name and role when raising FieldNotFound helps debugging Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4224 diff changeset	157	raise FieldNotFound(name, role)
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	158
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	159	@iclassmethod
4165 eb9acad29407 proper field's role handling: may be 'subject' / 'object' in case Sylvain Thénault <sylvain.thenault@logilab.fr>* parents: 4082 diff changeset	160	def fields_by_name(cls_or_self, name, role=None):
5368 d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	161	"""Return a list of fields with the given name and role."""
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	162	return [field for field in cls_or_self._fieldsattr()
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	163	if field.name == name and field.role == role]
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	164
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	165	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	166	def remove_field(cls_or_self, field):
5368 d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	167	"""Remove the given field."""
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	168	cls_or_self._fieldsattr().remove(field)
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	169
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	170	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	171	def append_field(cls_or_self, field):
5368 d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	172	"""Append the given field."""
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	173	cls_or_self._fieldsattr().append(field)
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	174
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	175	@iclassmethod
5367 4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	176	def insert_field_before(cls_or_self, field, name, role=None):
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	177	"""Insert the given field before the field of given name and role."""
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	178	bfield = cls_or_self.field_by_name(name, role)
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	179	fields = cls_or_self._fieldsattr()
5367 4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	180	fields.insert(fields.index(bfield), field)
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	181
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	182	@iclassmethod
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	183	def insert_field_after(cls_or_self, field, name, role=None):
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	184	"""Insert the given field after the field of given name and role."""
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	185	afield = cls_or_self.field_by_name(name, role)
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	186	fields = cls_or_self._fieldsattr()
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	187	fields.insert(fields.index(afield)+1, field)
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	188
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	189	@iclassmethod
5367 4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	190	def add_hidden(cls_or_self, name, value=None, **kwargs):
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	191	"""Append an hidden field to the form. `name`, `value` and extra keyword
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	192	arguments will be given to the field constructor. The inserted field is
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	193	returned.
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	194	"""
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	195	kwargs.setdefault('ignore_req_params', True)
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	196	kwargs.setdefault('widget', fwdgs.HiddenInput)
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	197	field = formfields.StringField(name=name, value=value, **kwargs)
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	198	if 'id' in kwargs:
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	199	# by default, hidden input don't set id attribute. If one is
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	200	# explicitly specified, ensure it will be set
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	201	field.widget.setdomid = True
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	202	cls_or_self.append_field(field)
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	203	return field
3524 a3431f4e2f40 backport stable branch Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3475 3512 diff changeset	204
1525 cc2e2cbd7019 include dom id of the form in __errorurl in case there are multiple forms in a page sylvain.thenault@logilab.fr parents: 1519 diff changeset	205	def session_key(self):
cc2e2cbd7019 include dom id of the form in __errorurl in case there are multiple forms in a page sylvain.thenault@logilab.fr parents: 1519 diff changeset	206	"""return the key that may be used to store / retreive data about a
cc2e2cbd7019 include dom id of the form in __errorurl in case there are multiple forms in a page sylvain.thenault@logilab.fr parents: 1519 diff changeset	207	previous post which failed because of a validation error
cc2e2cbd7019 include dom id of the form in __errorurl in case there are multiple forms in a page sylvain.thenault@logilab.fr parents: 1519 diff changeset	208	"""
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	209	if self.force_session_key is None:
4082 c7117119e215 3.6 api update Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4023 diff changeset	210	return '%s#%s' % (self._cw.url(), self.domid)
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	211	return self.force_session_key
1525 cc2e2cbd7019 include dom id of the form in __errorurl in case there are multiple forms in a page sylvain.thenault@logilab.fr parents: 1519 diff changeset	212
cc2e2cbd7019 include dom id of the form in __errorurl in case there are multiple forms in a page sylvain.thenault@logilab.fr parents: 1519 diff changeset	213	def restore_previous_post(self, sessionkey):
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	214	# get validation session data which may have been previously set.
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	215	# deleting validation errors here breaks form reloading (errors are
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	216	# no more available), they have to be deleted by application's publish
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	217	# method on successful commit
4779 dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	218	if hasattr(self, '_form_previous_values'):
dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	219	# XXX behaviour changed in 3.6.1, warn
dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	220	warn('[3.6.1] restore_previous_post already called, remove this call',
dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	221	DeprecationWarning, stacklevel=2)
dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	222	return
5223 6abd6e3599f4 #773448: refactor session and 'no connection' handling, by introducing proper web session. We should now be able to see page even when no anon is configured, and be redirected to the login form as soon as one tries to do a query. Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	223	forminfo = self._cw.session.data.pop(sessionkey, None)
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	224	if forminfo:
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	225	self._form_previous_values = forminfo['values']
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	226	self._form_valerror = forminfo['error']
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	227	# if some validation error occured on entity creation, we have to
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	228	# get the original variable name from its attributed eid
1710 8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed sylvain.thenault@logilab.fr parents: 1701 diff changeset	229	foreid = self.form_valerror.entity
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	230	for var, eid in forminfo['eidmap'].items():
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	231	if foreid == eid:
1710 8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed sylvain.thenault@logilab.fr parents: 1701 diff changeset	232	self.form_valerror.eid = var
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	233	break
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	234	else:
1710 8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed sylvain.thenault@logilab.fr parents: 1701 diff changeset	235	self.form_valerror.eid = foreid
8c717cc0b353 refactor error handling: get validation error information from a form attribute instead of req.data to avoid pb when multiple forms are displayed sylvain.thenault@logilab.fr parents: 1701 diff changeset	236	else:
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	237	self._form_previous_values = {}
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	238	self._form_valerror = None
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	239
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	240	def field_error(self, field):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	241	"""return field's error if specified in current validation exception"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	242	if self.form_valerror:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	243	if field.eidparam and self.edited_entity.eid != self.form_valerror.eid:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	244	return None
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	245	try:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	246	return self.form_valerror.errors.pop(field.role_name())
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	247	except KeyError:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	248	if field.role and field.name in self.form_valerror:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	249	warn('%s: errors key of attribute/relation should be suffixed by "-<role>"'
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	250	% self.form_valerror.__class__, DeprecationWarning)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	251	return self.form_valerror.errors.pop(field.name)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	252	return None
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	253
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	254	def remaining_errors(self):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	255	return sorted(self.form_valerror.errors.items())
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	256
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	257	@deprecated('[3.6] use form.field_error and/or new renderer.render_error method')
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	258	def form_field_error(self, field):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	259	"""return validation error for widget's field, if any"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	260	err = self.field_error(field)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	261	if err:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	262	return u'<span class="error">%s</span>' % err
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	263	return u''
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	264

author	Sylvain Thénault <sylvain.thenault@logilab.fr>
	Thu, 17 Jun 2010 15:15:52 +0200
changeset 5774	0d792bceb25d
parent 5588	377c9adfe81e
child 6109	47d9c0e0f7b7
permissions	-rw-r--r--