cubicweb: web/form.py@68c33344581c (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
5369 68c33344581c fix NameError Aurelien Campeas <aurelien.campeas@logilab.fr> parents: 5368 diff changeset	17	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	18
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	19	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	20	"""abstract form view mix-in"""
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	21	category = 'form'
1995 ec95eaa2b711 turn renderers into appobjects Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 1977 diff changeset	22	http_cache_manager = httpcache.NoHTTPCacheManager
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	23	add_to_breadcrumbs = False
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	24
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	25	def html_headers(self):
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	26	"""return a list of html headers (eg something to be inserted between
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	27	<head> and </head> of the returned page
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	28
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	29	by default forms are neither indexed nor followed
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	return [NOINDEX, NOFOLLOW]
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	32
0 b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	33	def linkable(self):
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	34	"""override since forms are usually linked by an action,
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	35	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	36	"""
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	37	return False
b97547f5f1fa Showtime ! Adrien Di Mascio <Adrien.DiMascio@logilab.fr> parents: diff changeset	38
1318 50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	39
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	40	###############################################################################
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	41
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	42	class metafieldsform(type):
1406 133476216f4a define self.fields before it is used ... Aurelien Campeas <aurelien.campeas@logilab.fr> parents: 1400 diff changeset	43	"""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	44	and put them into a single ordered list: '_fields_'.
1393 ff6758d7b96f cleanup, more docstring sylvain.thenault@logilab.fr parents: 1392 diff changeset	45	"""
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	46	def __new__(mcs, name, bases, classdict):
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	47	allfields = []
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	48	for base in bases:
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	49	if hasattr(base, '_fields_'):
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	50	allfields += base._fields_
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	51	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	52	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	53	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	54	if not field.name:
869 168ad6d424d1 form to edit multiple entities, use it in DeleteConfForm sylvain.thenault@logilab.fr parents: 867 diff changeset	55	field.set_name(fieldname)
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	56	allfields.append(field)
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	57	classdict['_fields_'] = allfields
8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	58	return super(metafieldsform, mcs).__new__(mcs, name, bases, classdict)
1270 53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	59
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	60
1270 53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	61	class FieldNotFound(Exception):
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	62	"""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	63	found
53f35db66f88 raise specific exception sylvain.thenault@logilab.fr parents: 1265 diff changeset	64	"""
1437 ea75dfe32317 delete-trailing-whitespaces sylvain.thenault@logilab.fr parents: 1406 diff changeset	65
3475 9c07e6c48e35 [forms] drop FormMixIn deprecated in 3.2 Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3451 diff changeset	66	class Form(AppObject):
844 8ab6f64c3750 start django like forms sylvain.thenault@logilab.fr parents: 765 diff changeset	67	__metaclass__ = metafieldsform
1047 21d4d5e6aa45 make forms selectable (appobject) sylvain.thenault@logilab.fr parents: 1032 diff changeset	68	__registry__ = 'forms'
3512 2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	69
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	70	internal_fields = ('__errorurl',) + 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	71
3512 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
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	74	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	75	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	76
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	77	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	78	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	79	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	80	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	81	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	82	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	83	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	84	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	85	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	86	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	87	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	88	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	89	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	90	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	91	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	92	# 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	93	# (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	94	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	95	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	96	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	97	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	98	# 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	99	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	100	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	101	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	102	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	103	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	104	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	105	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	106	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	107
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	108	@property
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	109	def root_form(self):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	110	"""return the root form"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	111	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	112	return self
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	113	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	114
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	115	@property
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	116	def form_valerror(self):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	117	"""the validation error exception if any"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	118	if self.parent_form is None:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	119	return self._form_valerror
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	120	return self.parent_form.form_valerror
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	121
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	122	@property
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	123	def form_previous_values(self):
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	124	"""previously posted values (on validation error)"""
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	125	if self.parent_form is None:
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	126	return self._form_previous_values
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	127	return self.parent_form.form_previous_values
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	128
3512 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 _fieldsattr(cls_or_self):
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	131	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	132	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	133	else:
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	134	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	135	return fields
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	136
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	137	@iclassmethod
4165 eb9acad29407 proper field's role handling: may be 'subject' / 'object' in case Sylvain Thénault <sylvain.thenault@logilab.fr>* parents: 4082 diff changeset	138	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	139	"""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	140
d321e4b62a10 [book] start documenting the HTML form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 5367 diff changeset	141	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	142	"""
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	143	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	144	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	145	return field
4235 49eb7e87d36d specify name and role when raising FieldNotFound helps debugging Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4224 diff changeset	146	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	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 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	150	"""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	151	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	152	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	153
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	154	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	155	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	156	"""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	157	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	158
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	159	@iclassmethod
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	160	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	161	"""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	162	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	163
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	164	@iclassmethod
5367 4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	165	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	166	"""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	167	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	168	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	169	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	170
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	171	@iclassmethod
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	172	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	173	"""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	174	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	175	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	176	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	177
2ceaa4e40348 move low-level form handling to base form class Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 2996 diff changeset	178	@iclassmethod
5367 4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	179	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	180	"""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	181	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	182	returned.
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	183	"""
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4779 diff changeset	184	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	185	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	186	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	187	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	188	# 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	189	# 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	190	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	191	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	192	return field
3524 a3431f4e2f40 backport stable branch Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3475 3512 diff changeset	193
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	194	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	195	"""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	196	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	197	"""
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	198	if self.force_session_key is None:
4082 c7117119e215 3.6 api update Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4023 diff changeset	199	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	200	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	201
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	202	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	203	# 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	204	# 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	205	# 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	206	# method on successful commit
4779 dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	207	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	208	# 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	209	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	210	DeprecationWarning, stacklevel=2)
dce36da37d40 fix: Prevent multi pass in restore_previous_post Alain Leufroy <alain.leufroy@logilab.fr> parents: 4719 diff changeset	211	return
3451 6b46d73823f5 [api] work in progress, use __regid__, cw_, etc. Adrien Di Mascio <Adrien.DiMascio@logilab.fr>* parents: 3023 diff changeset	212	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	213	if forminfo:
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	214	self._form_previous_values = forminfo['values']
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	215	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	216	# 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	217	# 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	218	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	219	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	220	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	221	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	222	break
50e1a778c5ee new FormViewMixIn class, cleanup FormMixIn (to remove once cubes doesn't use it anymore) sylvain.thenault@logilab.fr parents: 1315 diff changeset	223	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	224	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	225	else:
3998 94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	226	self._form_previous_values = {}
94cc7cad3d2d backport stable into default Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 3524 3925 diff changeset	227	self._form_valerror = None
4224 5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	228
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	229	def field_error(self, field):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	230	"""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	231	if self.form_valerror:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	232	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	233	return None
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	234	try:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	235	return self.form_valerror.errors.pop(field.role_name())
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	236	except KeyError:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	237	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	238	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	239	% self.form_valerror.__class__, DeprecationWarning)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	240	return self.form_valerror.errors.pop(field.name)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	241	return None
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	242
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	243	def remaining_errors(self):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	244	return sorted(self.form_valerror.errors.items())
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	245
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	246	@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	247	def form_field_error(self, field):
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	248	"""return validation error for widget's field, if any"""
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	249	err = self.field_error(field)
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	250	if err:
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	251	return u'<span class="error">%s</span>' % err
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	252	return u''
5998df006968 refactor form error handling: Sylvain Thénault <sylvain.thenault@logilab.fr> parents: 4165 diff changeset	253

author	Aurelien Campeas <aurelien.campeas@logilab.fr>
	Wed, 21 Apr 2010 17:25:26 +0200
branch	stable
changeset 5369	68c33344581c
parent 5368	d321e4b62a10
child 5385	b6e250dd7a7d
child 5421	8167de96c523
permissions	-rw-r--r--