cubicweb: web/form.py@1b46d5ece0d5 (annotated)

0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	1	"""abstract form classes for CubicWeb web client
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	2
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	3	:organization: Logilab
4212 ab6573088b4a update copyright: welcome 2010 Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: 3925 diff changeset	4	:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	5	:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
1977 606923dff11b big bunch of copyright / docstring update Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: 1962 diff changeset	6	:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	7	"""
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	8	__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	9
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	10	from warnings import warn
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	11
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	12	from logilab.common.decorators import iclassmethod
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	13	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	14
2656 a93ae0f6c0ad R [base classes] only AppObject remaning, no more AppRsetObject Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2005 diff changeset	15	from cubicweb.appobject import AppObject
1133 8a409ea0c9ec more linting sylvain.thenault@logilab.fr parents: 1132 diff changeset	16	from cubicweb.view import NOINDEX, NOFOLLOW
4023 eae23c40627a drop common subpackage Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4003 diff changeset	17	from cubicweb import tags
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	18	from cubicweb.web import stdmsgs, httpcache, formfields
1995 ec95eaa2b711 turn renderers into appobjects Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 1977 diff changeset	19
1097 611bacbbe001 pylint fixes, media definitions on form as well sylvain.thenault@logilab.fr parents: 1082 diff changeset	20
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	21	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	22	"""abstract form view mix-in"""
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	23	category = 'form'
1995 ec95eaa2b711 turn renderers into appobjects Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 1977 diff changeset	24	http_cache_manager = httpcache.NoHTTPCacheManager
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	25	add_to_breadcrumbs = False
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	26
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	27	def html_headers(self):
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	28	"""return a list of html headers (eg something to be inserted between
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	29	<head> and </head> of the returned page
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	30
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	31	by default forms are neither indexed nor followed
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	32	"""
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	33	return [NOINDEX, NOFOLLOW]
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	34
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	35	def linkable(self):
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	36	"""override since forms are usually linked by an action,
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	37	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	38	"""
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	39	return False
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	40
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	41
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	42	###############################################################################
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	43
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	44	class metafieldsform(type):
1406 133476216f4a define self.fields before it is used ... Aurelien Campeas <aurelien.campeas@logilab.fr> parents: 1400 diff changeset	45	"""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	46	and put them into a single ordered list: '_fields_'.
1393 ff6758d7b96f cleanup, more docstring sylvain.thenault@logilab.fr parents: 1392 diff changeset	47	"""
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	48	def __new__(mcs, name, bases, classdict):
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	49	allfields = []
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	50	for base in bases:
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	51	if hasattr(base, '_fields_'):
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	52	allfields += base._fields_
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	53	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	54	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	55	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	56	if not field.name:
869 168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm sylvain.thenault@logilab.fr parents: 867 diff changeset	57	field.set_name(fieldname)
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	58	allfields.append(field)
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	59	classdict['_fields_'] = allfields
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	60	return super(metafieldsform, mcs).__new__(mcs, name, bases, classdict)
1270 53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	61
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	62
1270 53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	63	class FieldNotFound(Exception):
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	64	"""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	65	found
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	66	"""
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	67
3475 9c07e6c48e35 [forms] drop FormMixIn deprecated in 3.2 Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3451 diff changeset	68	class Form(AppObject):
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	69	__metaclass__ = metafieldsform
1047 21d4d5e6aa45 make forms selectable (appobject) sylvain.thenault@logilab.fr parents: 1032 diff changeset	70	__registry__ = 'forms'
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	71
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	72	parent_form = None
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	73	force_session_key = None
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	74
3475 9c07e6c48e35 [forms] drop FormMixIn deprecated in 3.2 Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3451 diff changeset	75	def __init__(self, req, rset, **kwargs):
9c07e6c48e35 [forms] drop FormMixIn deprecated in 3.2 Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3451 diff changeset	76	super(Form, self).__init__(req, rset=rset, **kwargs)
9c07e6c48e35 [forms] drop FormMixIn deprecated in 3.2 Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3451 diff changeset	77	self.restore_previous_post(self.session_key())
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	78
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	79	@property
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	80	def root_form(self):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	81	"""return the root form"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	82	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	83	return self
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	84	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	85
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	86	@property
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	87	def form_valerror(self):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	88	"""the validation error exception if any"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	89	if self.parent_form is None:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	90	return self._form_valerror
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	91	return self.parent_form.form_valerror
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	92
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	93	@property
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	94	def form_previous_values(self):
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	95	"""previously posted values (on validation error)"""
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	96	if self.parent_form is None:
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	97	return self._form_previous_values
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	98	return self.parent_form.form_previous_values
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	99
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	100	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	101	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	102	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	103	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	104	else:
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	105	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	106	return fields
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	107
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	108	@iclassmethod
4165 eb9acad29407 proper field's role handling: may be 'subject' / 'object' in case Sylvain Thénault <sylvain.thenault@logilab.fr>* parents: 4082 diff changeset	109	def field_by_name(cls_or_self, name, role=None):
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	110	"""return field with the given name and role.
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	111	Raise FieldNotFound if the field can't be found.
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	112	"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	113	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	114	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	115	return field
4235 49eb7e87d36d specify name and role when raising FieldNotFound helps debugging Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4224 diff changeset	116	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	117
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	118	@iclassmethod
4165 eb9acad29407 proper field's role handling: may be 'subject' / 'object' in case Sylvain Thénault <sylvain.thenault@logilab.fr>* parents: 4082 diff changeset	119	def fields_by_name(cls_or_self, name, role=None):
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	120	"""return a list of fields with the given name and role"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	121	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	122	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	123
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	124	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	125	def remove_field(cls_or_self, field):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	126	"""remove a field from form class or instance"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	127	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	128
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	129	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	130	def append_field(cls_or_self, field):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	131	"""append a field to form class or instance"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	132	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	133
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	134	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	135	def insert_field_before(cls_or_self, new_field, name, role='subject'):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	136	field = cls_or_self.field_by_name(name, role)
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	137	fields = cls_or_self._fieldsattr()
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	138	fields.insert(fields.index(field), new_field)
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	139
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 insert_field_after(cls_or_self, new_field, name, role='subject'):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	142	field = cls_or_self.field_by_name(name, role)
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._fieldsattr()
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	144	fields.insert(fields.index(field)+1, new_field)
3524 a3431f4e2f40 backport stable branch Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3475 3512 diff changeset	145
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	146	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	147	"""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	148	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	149	"""
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	150	if self.force_session_key is None:
4082 c7117119e215 3.6 api update Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4023 diff changeset	151	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	152	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	153
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	154	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	155	# 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	156	# 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	157	# 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	158	# method on successful commit
3451 6b46d73823f5 [api] work in progress, use __regid__, cw_, etc. Adrien Di Mascio <Adrien.DiMascio@logilab.fr>* parents: 3023 diff changeset	159	forminfo = self._cw.get_session_data(sessionkey, pop=True)
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	160	if forminfo:
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	161	self._form_previous_values = forminfo['values']
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	162	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	163	# 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	164	# 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	165	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	166	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	167	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	168	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	169	break
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	170	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	171	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	172	else:
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	173	self._form_previous_values = {}
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	174	self._form_valerror = None
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	175
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	176	def field_error(self, field):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	177	"""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	178	if self.form_valerror:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	179	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	180	return None
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	181	try:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	182	return self.form_valerror.errors.pop(field.role_name())
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	183	except KeyError:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	184	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	185	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	186	% self.form_valerror.__class__, DeprecationWarning)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	187	return self.form_valerror.errors.pop(field.name)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	188	return None
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	189
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	190	def remaining_errors(self):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	191	return sorted(self.form_valerror.errors.items())
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	192
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	193	@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	194	def form_field_error(self, field):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	195	"""return validation error for widget's field, if any"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	196	err = self.field_error(field)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	197	if err:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	198	return u'<span class="error">%s</span>' % err
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	199	return u''
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	200

author	Sylvain Thénault <sylvain.thenault@logilab.fr>
	Thu, 18 Feb 2010 10:54:50 +0100
branch	stable
changeset 4624	1b46d5ece0d5
parent 4252	6c4f109c2b03
child 4668	9f82f81bf13d
permissions	-rw-r--r--