web/formfields.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 20 Dec 2011 09:32:27 +0100
branchstable
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# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""
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The Field class and basic fields
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. Note::
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  Fields are used to control what's edited in forms. They makes the link between
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  something to edit and its display in the form. Actual display is handled by a
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  widget associated to the field.
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Let first see the base class for fields:
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.. autoclass:: cubicweb.web.formfields.Field
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Now, you usually don't use that class but one of the concrete field classes
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described below, according to what you want to edit.
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Basic fields
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''''''''''''
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.. autoclass:: cubicweb.web.formfields.StringField()
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.. autoclass:: cubicweb.web.formfields.PasswordField()
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.. autoclass:: cubicweb.web.formfields.IntField()
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.. autoclass:: cubicweb.web.formfields.BigIntField()
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.. autoclass:: cubicweb.web.formfields.FloatField()
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.. autoclass:: cubicweb.web.formfields.BooleanField()
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.. autoclass:: cubicweb.web.formfields.DateField()
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.. autoclass:: cubicweb.web.formfields.DateTimeField()
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.. autoclass:: cubicweb.web.formfields.TimeField()
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Compound fields
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''''''''''''''''
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.. autoclass:: cubicweb.web.formfields.RichTextField()
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.. autoclass:: cubicweb.web.formfields.FileField()
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.. autoclass:: cubicweb.web.formfields.CompoundField()
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.. autoclass cubicweb.web.formfields.EditableFileField() XXX should be a widget
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Entity specific fields and function
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'''''''''''''''''''''''''''''''''''
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.. autoclass:: cubicweb.web.formfields.RelationField()
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.. autofunction:: cubicweb.web.formfields.guess_field
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"""
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__docformat__ = "restructuredtext en"
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from warnings import warn
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from datetime import datetime
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from logilab.mtconverter import xml_escape
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from logilab.common import nullobject
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from logilab.common.date import ustrftime
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from yams.schema import KNOWN_METAATTRIBUTES, role_name
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from yams.constraints import (SizeConstraint, StaticVocabularyConstraint,
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                              FormatConstraint)
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from cubicweb import Binary, tags, uilib
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from cubicweb.utils import support_args
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from cubicweb.web import INTERNAL_FIELD_VALUE, ProcessFormError, eid_param, \
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     formwidgets as fw, uicfg
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class UnmodifiedField(Exception):
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    """raise this when a field has not actually been edited and you want to skip
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    it
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    """
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def normalize_filename(filename):
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    return filename.split('\\')[-1]
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def vocab_sort(vocab):
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    """sort vocabulary, considering option groups"""
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    result = []
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    partresult = []
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    for label, value in vocab:
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        if value is None: # opt group start
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            if partresult:
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                result += sorted(partresult)
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                partresult = []
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            result.append( (label, value) )
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        else:
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            partresult.append( (label, value) )
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    result += sorted(partresult)
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    return result
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_MARKER = nullobject()
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class Field(object):
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    """This class is the abstract base class for all fields. It hold a bunch
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    of attributes which may be used for fine control of the behaviour of a
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    concrete field.
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    **Attributes**
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    All the attributes described below have sensible default value which may be
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    overriden by named arguments given to field's constructor.
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    :attr:`name`
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       base name of the field (basestring). The actual input name is returned by
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       the :meth:`input_name` method and may differ from that name (for instance
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       if `eidparam` is true).
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    :attr:`id`
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       DOM identifier (default to the same value as `name`), should be unique in
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       a form.
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    :attr:`label`
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       label of the field (default to the same value as `name`).
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    :attr:`help`
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       help message about this field.
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    :attr:`widget`
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       widget associated to the field. Each field class has a default widget
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       class which may be overriden per instance.
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    :attr:`value`
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       field value. May be an actual value or a callable which should take the
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       form as argument and return a value.
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    :attr:`choices`
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       static vocabulary for this field. May be a list of values, a list of
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       (label, value) tuples or a callable which should take the form and field
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       as arguments and return a list of values or a list of (label, value).
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    :attr:`required`
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       bool flag telling if the field is required or not.
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    :attr:`sort`
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       bool flag telling if the vocabulary (either static vocabulary specified
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       in `choices` or dynamic vocabulary fetched from the form) should be
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       sorted on label.
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    :attr:`internationalizable`
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       bool flag telling if the vocabulary labels should be translated using the
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       current request language.
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    :attr:`eidparam`
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       bool flag telling if this field is linked to a specific entity
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    :attr:`role`
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       when the field is linked to an entity attribute or relation, tells the
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       role of the entity in the relation (eg 'subject' or 'object'). If this is
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       not an attribute or relation of the edited entity, `role` should be
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       `None`.
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    :attr:`fieldset`
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       optional fieldset to which this field belongs to
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    :attr:`order`
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       key used by automatic forms to sort fields
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    :attr:`ignore_req_params`
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       when true, this field won't consider value potentialy specified using
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       request's form parameters (eg you won't be able to specify a value using for
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       instance url like http://mywebsite.com/form?field=value)
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    .. currentmodule:: cubicweb.web.formfields
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    **Generic methods**
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    .. automethod:: Field.input_name
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    .. automethod:: Field.dom_id
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    .. automethod:: Field.actual_fields
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    **Form generation methods**
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    .. automethod:: form_init
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    .. automethod:: typed_value
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    **Post handling methods**
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    .. automethod:: process_posted
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    .. automethod:: process_form_value
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    """
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    # default widget associated to this class of fields. May be overriden per
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   183
    # instance
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    widget = fw.TextInput
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    # does this field requires a multipart form
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    needs_multipart = False
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    # class attribute used for ordering of fields in a form
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    __creation_rank = 0
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   189
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    eidparam = False
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    role = None
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    id = None
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   193
    help = None
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   194
    required = False
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   195
    choices = None
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   196
    sort = True
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    internationalizable = False
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   198
    fieldset = None
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    order = None
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    value = _MARKER
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    fallback_on_none_attribute = False
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    ignore_req_params = False
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   203
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    def __init__(self, name=None, label=_MARKER, widget=None, **kwargs):
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        for key, val in kwargs.items():
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            assert hasattr(self.__class__, key) and not key[0] == '_', key
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            setattr(self, key, val)
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        self.name = name
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        if label is _MARKER:
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            label = name or _MARKER
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        self.label = label
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   212
        # has to be done after other attributes initialization
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   213
        self.init_widget(widget)
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        # ordering number for this field instance
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        self.creation_rank = Field.__creation_rank
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        Field.__creation_rank += 1
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    def as_string(self, repr=True):
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        l = [u'<%s' % self.__class__.__name__]
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        for attr in ('name', 'eidparam', 'role', 'id', 'value'):
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            value = getattr(self, attr)
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            if value is not None and value is not _MARKER:
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                l.append('%s=%r' % (attr, value))
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        if repr:
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            l.append('@%#x' % id(self))
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        return u'%s>' % ' '.join(l)
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    def __unicode__(self):
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        return self.as_string(False)
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    def __str__(self):
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        return self.as_string(False).encode('UTF8')
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    def __repr__(self):
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        return self.as_string(True).encode('UTF8')
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    def init_widget(self, widget):
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        if widget is not None:
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            self.widget = widget
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        elif self.choices and not self.widget.vocabulary_widget:
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            self.widget = fw.Select()
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        if isinstance(self.widget, type):
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            self.widget = self.widget()
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    def set_name(self, name):
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        """automatically set .label when name is set"""
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        assert name
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        self.name = name
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        if self.label is _MARKER:
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            self.label = name
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   251
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    def is_visible(self):
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        """return true if the field is not an hidden field"""
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        return not isinstance(self.widget, fw.HiddenInput)
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    def actual_fields(self, form):
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        """Fields may be composed of other fields. For instance the
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        :class:`~cubicweb.web.formfields.RichTextField` is containing a format
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        field to define the text format. This method returns actual fields that
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        should be considered for display / edition. It usually simply return
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        self.
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        """
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        yield self
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    def format_value(self, req, value):
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        """return value suitable for display where value may be a list or tuple
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        of values
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        """
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        if isinstance(value, (list, tuple)):
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            return [self.format_single_value(req, val) for val in value]
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        return self.format_single_value(req, value)
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   272
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    def format_single_value(self, req, value):
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        """return value suitable for display"""
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        if value is None or value is False:
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            return u''
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        if value is True:
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            return u'1'
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        return unicode(value)
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    def get_widget(self, form):
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        """return the widget instance associated to this field"""
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        return self.widget
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   284
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    def input_name(self, form, suffix=None):
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        """Return the 'qualified name' for this field, e.g. something suitable
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        to use as HTML input name. You can specify a suffix that will be
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        included in the name when widget needs several inputs.
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   289
        """
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        # caching is necessary else we get some pb on entity creation :
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   291
        # entity.eid is modified from creation mark (eg 'X') to its actual eid
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   292
        # (eg 123), and then `field.input_name()` won't return the right key
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   293
        # anymore if not cached (first call to input_name done *before* eventual
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   294
        # eid affectation).
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   295
        #
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   296
        # note that you should NOT use @cached else it will create a memory leak
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   297
        # on persistent fields (eg created once for all on a form class) because
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diff changeset
   298
        # of the 'form' appobject argument: the cache will keep growing as new
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diff changeset
   299
        # form are created...
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diff changeset
   300
        try:
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   301
            return form.formvalues[(self, 'input_name', suffix)]
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diff changeset
   302
        except KeyError:
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diff changeset
   303
            name = self.role_name()
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diff changeset
   304
            if suffix is not None:
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diff changeset
   305
                name += suffix
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diff changeset
   306
            if self.eidparam:
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diff changeset
   307
                name = eid_param(name, form.edited_entity.eid)
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diff changeset
   308
            form.formvalues[(self, 'input_name', suffix)] = name
4871
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diff changeset
   309
            return name
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   310
1bbb0ee42c8e drop form_field_name/form_field_id methods from form object, in favor of field.input_name(form) / field.dom_id(form)
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diff changeset
   311
    def role_name(self):
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   312
        """return <field.name>-<field.role> if role is specified, else field.name"""
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   313
        if self.role is not None:
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diff changeset
   314
            return role_name(self.name, self.role)
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diff changeset
   315
        return self.name
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diff changeset
   316
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35e814dce815 dom_id now accepts a suffix argument as input_name
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   317
    def dom_id(self, form, suffix=None):
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   318
        """Return the HTML DOM identifier for this field, e.g. something
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   319
        suitable to use as HTML input id. You can specify a suffix that will be
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   320
        included in the name when widget needs several inputs.
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diff changeset
   321
        """
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diff changeset
   322
        id = self.id or self.role_name()
4303
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parents: 4302
diff changeset
   323
        if suffix is not None:
35e814dce815 dom_id now accepts a suffix argument as input_name
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diff changeset
   324
            id += suffix
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   325
        if self.eidparam:
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diff changeset
   326
            return eid_param(id, form.edited_entity.eid)
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   327
        return id
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diff changeset
   328
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6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
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diff changeset
   329
    def typed_value(self, form, load_bytes=False):
5368
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diff changeset
   330
        """Return the correctly typed value for this field in the form context.
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diff changeset
   331
        """
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diff changeset
   332
        if self.eidparam and self.role is not None:
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diff changeset
   333
            entity = form.edited_entity
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   334
            if form._cw.vreg.schema.rschema(self.name).final:
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6139
diff changeset
   335
                if entity.has_eid() or self.name in entity.cw_attr_cache:
4546
f8ac61376b2b provides a fallback_on_none_attribute field attribute, allowing to specify default value for attributes of *existing* entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4544
diff changeset
   336
                    value = getattr(entity, self.name)
f8ac61376b2b provides a fallback_on_none_attribute field attribute, allowing to specify default value for attributes of *existing* entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4544
diff changeset
   337
                    if value is not None or not self.fallback_on_none_attribute:
f8ac61376b2b provides a fallback_on_none_attribute field attribute, allowing to specify default value for attributes of *existing* entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4544
diff changeset
   338
                        return value
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5497
diff changeset
   339
            elif entity.has_eid() or entity.cw_relation_cached(self.name, self.role):
4546
f8ac61376b2b provides a fallback_on_none_attribute field attribute, allowing to specify default value for attributes of *existing* entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4544
diff changeset
   340
                value = [r[0] for r in entity.related(self.name, self.role)]
f8ac61376b2b provides a fallback_on_none_attribute field attribute, allowing to specify default value for attributes of *existing* entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4544
diff changeset
   341
                if value or not self.fallback_on_none_attribute:
f8ac61376b2b provides a fallback_on_none_attribute field attribute, allowing to specify default value for attributes of *existing* entities
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4544
diff changeset
   342
                    return value
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   343
        return self.initial_typed_value(form, load_bytes)
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   344
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   345
    def initial_typed_value(self, form, load_bytes):
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   346
        if self.value is not _MARKER:
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   347
            if callable(self.value):
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7756
diff changeset
   348
                # pylint: disable=E1102
6082
57933567146f [forms] callable field kwargs now always take form _and_ field parameters
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 5955
diff changeset
   349
                if support_args(self.value, 'form', 'field'):
57933567146f [forms] callable field kwargs now always take form _and_ field parameters
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 5955
diff changeset
   350
                    return self.value(form, self)
57933567146f [forms] callable field kwargs now always take form _and_ field parameters
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 5955
diff changeset
   351
                else:
6582
8eb7883b4223 [pylint] fix a bug of pylint detected errors and i18n pb (calling builtins._ instead of req._)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
   352
                    warn("[3.10] field's value callback must now take form and "
8eb7883b4223 [pylint] fix a bug of pylint detected errors and i18n pb (calling builtins._ instead of req._)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6333
diff changeset
   353
                         "field as argument (%s)" % self, DeprecationWarning)
6082
57933567146f [forms] callable field kwargs now always take form _and_ field parameters
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 5955
diff changeset
   354
                    return self.value(form)
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   355
            return self.value
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   356
        formattr = '%s_%s_default' % (self.role, self.name)
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   357
        if self.eidparam and self.role is not None:
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   358
            if form._cw.vreg.schema.rschema(self.name).final:
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   359
                return form.edited_entity.e_schema.default(self.name)
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   360
            return ()
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   361
        return None
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   362
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   363
    def example_format(self, req):
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   364
        """return a sample string describing what can be given as input for this
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   365
        field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   366
        """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   367
        return u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   368
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   369
    def render(self, form, renderer):
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   370
        """render this field, which is part of form, using the given form
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   371
        renderer
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   372
        """
2522
562f5dcf2345 widget.render now takes the renderer as third argument (keeping minimal bw compat)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2520
diff changeset
   373
        widget = self.get_widget(form)
3873
4d95109582c7 [web] remove widget.render backward compatibility
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3790
diff changeset
   374
        return widget.render(form, self, renderer)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   375
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
   376
    def vocabulary(self, form, **kwargs):
5908
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   377
        """return vocabulary for this field. This method will be
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   378
        called by widgets which requires a vocabulary.
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   379
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   380
        It should return a list of tuple (label, value), where value
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   381
        *must be an unicode string*, not a typed value.
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   382
        """
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   383
        assert self.choices is not None
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   384
        if callable(self.choices):
7879
9aae456abab5 [pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7756
diff changeset
   385
            # pylint: disable=E1102
7572
a554010417ce [formfields] use support_args instead of catching type error avoid hiding other issues and making debugging difficult
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   386
            if getattr(self.choices, 'im_self', None) is self:
a554010417ce [formfields] use support_args instead of catching type error avoid hiding other issues and making debugging difficult
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   387
                vocab = self.choices(form=form, **kwargs)
7990
a673d1d9a738 [diet] drop pre 3.6 API compatibility (but attempt to keep data cmopatibility). Closes #2017916
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7973
diff changeset
   388
            else:
7572
a554010417ce [formfields] use support_args instead of catching type error avoid hiding other issues and making debugging difficult
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   389
                vocab = self.choices(form=form, field=self, **kwargs)
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   390
        else:
4170
c325c62cec8e crecord introduced junk...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4168
diff changeset
   391
            vocab = self.choices
c325c62cec8e crecord introduced junk...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4168
diff changeset
   392
        if vocab and not isinstance(vocab[0], (list, tuple)):
c325c62cec8e crecord introduced junk...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4168
diff changeset
   393
            vocab = [(x, x) for x in vocab]
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   394
        if self.internationalizable:
5908
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   395
            # the short-cirtcuit 'and' boolean operator is used here
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   396
            # to permit a valid empty string in vocabulary without
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   397
            # attempting to translate it by gettext (which can lead to
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   398
            # weird strings display)
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   399
            vocab = [(label and form._cw._(label), value)
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   400
                     for label, value in vocab]
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   401
        if self.sort:
3334
8d831c02da9a fix sort of fields vocabulary: should consider option groups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3308
diff changeset
   402
            vocab = vocab_sort(vocab)
5908
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   403
        # XXX pre 3.9 bw compat
6218
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   404
        for i, option in enumerate(vocab):
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   405
            # option may be a 2 or 3-uple (see Select widget _render method for
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   406
            # explanation)
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   407
            value = option[1]
5955
67dfe437bf25 [form] take care to not unicodify None values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5916
diff changeset
   408
            if value is not None and not isinstance(value, basestring):
5908
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   409
                warn('[3.9] %s: vocabulary value should be an unicode string'
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   410
                     % self, DeprecationWarning)
6218
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   411
                option = list(option)
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   412
                option[1] = unicode(value)
d37428222a63 [form fields] option may be a 3-uple (3d element being dict containing widget options)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6114
diff changeset
   413
                vocab[i] = option
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   414
        return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   415
6690
7d68948015ba [forms] remove some deprecation warnings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
   416
    # support field as argument to avoid warning when used as format field value
7d68948015ba [forms] remove some deprecation warnings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
   417
    # callback
7d68948015ba [forms] remove some deprecation warnings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
   418
    def format(self, form, field=None):
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   419
        """return MIME type used for the given (text or bytes) field"""
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   420
        if self.eidparam and self.role == 'subject':
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   421
            entity = form.edited_entity
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   422
            if entity.e_schema.has_metadata(self.name, 'format') and (
6142
8bc6eac1fac1 [session] cleanup hook / operation / entity edition api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6139
diff changeset
   423
                entity.has_eid() or '%s_format' % self.name in entity.cw_attr_cache):
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5497
diff changeset
   424
                return form.edited_entity.cw_attr_metadata(self.name, 'format')
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   425
        return form._cw.property_value('ui.default-text-format')
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   426
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   427
    def encoding(self, form):
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   428
        """return encoding used for the given (text) field"""
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   429
        if self.eidparam:
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   430
            entity = form.edited_entity
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   431
            if entity.e_schema.has_metadata(self.name, 'encoding') and (
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   432
                entity.has_eid() or '%s_encoding' % self.name in entity):
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5497
diff changeset
   433
                return form.edited_entity.cw_attr_metadata(self.name, 'encoding')
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   434
        return form._cw.encoding
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   435
1307
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   436
    def form_init(self, form):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   437
        """Method called at form initialization to trigger potential field
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   438
        initialization requiring the form instance. Do nothing by default.
1307
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   439
        """
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   440
        pass
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   441
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   442
    def has_been_modified(self, form):
5697
ec1ce7198ef4 [form] fix untested (unread?) has_been_modified implementation...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5679
diff changeset
   443
        for field in self.actual_fields(form):
ec1ce7198ef4 [form] fix untested (unread?) has_been_modified implementation...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5679
diff changeset
   444
            if field._has_been_modified(form):
5676
aa04ccb8dd62 [edit ctrl] fix bad interaction with fields: the loop on actual fields should be done in has_been_modified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5557
diff changeset
   445
                return True # XXX
aa04ccb8dd62 [edit ctrl] fix bad interaction with fields: the loop on actual fields should be done in has_been_modified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5557
diff changeset
   446
        return False # not modified
aa04ccb8dd62 [edit ctrl] fix bad interaction with fields: the loop on actual fields should be done in has_been_modified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5557
diff changeset
   447
aa04ccb8dd62 [edit ctrl] fix bad interaction with fields: the loop on actual fields should be done in has_been_modified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5557
diff changeset
   448
    def _has_been_modified(self, form):
4495
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   449
        # fields not corresponding to an entity attribute / relations
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   450
        # are considered modified
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   451
        if not self.eidparam or not self.role or not form.edited_entity.has_eid():
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   452
            return True # XXX
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   453
        try:
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   454
            if self.role == 'subject':
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   455
                previous_value = getattr(form.edited_entity, self.name)
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   456
            else:
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   457
                previous_value = getattr(form.edited_entity,
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   458
                                         'reverse_%s' % self.name)
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   459
        except AttributeError:
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   460
            # fields with eidparam=True but not corresponding to an actual
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   461
            # attribute or relation
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   462
            return True
4495
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   463
        # if it's a non final relation, we need the eids
5661
84ef08bbda3c [web/formwidgets] check on list (entity.related_cache swapped from tuple to list a while ago without known reasons), do not unicode wrap the eids
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5497
diff changeset
   464
        # XXX underlying regression: getattr(ent, 'foo') used to return
84ef08bbda3c [web/formwidgets] check on list (entity.related_cache swapped from tuple to list a while ago without known reasons), do not unicode wrap the eids
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5497
diff changeset
   465
        #     a tuple, now we get a list
84ef08bbda3c [web/formwidgets] check on list (entity.related_cache swapped from tuple to list a while ago without known reasons), do not unicode wrap the eids
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5497
diff changeset
   466
        if isinstance(previous_value, (list, tuple)):
4495
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   467
            # widget should return a set of untyped eids
5661
84ef08bbda3c [web/formwidgets] check on list (entity.related_cache swapped from tuple to list a while ago without known reasons), do not unicode wrap the eids
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 5497
diff changeset
   468
            previous_value = set(e.eid for e in previous_value)
4495
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   469
        try:
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   470
            new_value = self.process_form_value(form)
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   471
        except ProcessFormError:
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   472
            return True
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   473
        except UnmodifiedField:
5676
aa04ccb8dd62 [edit ctrl] fix bad interaction with fields: the loop on actual fields should be done in has_been_modified
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5557
diff changeset
   474
            return False # not modified
4495
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   475
        if previous_value == new_value:
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   476
            return False # not modified
99c18d3f9542 unvisible field may have been modified, for instance relation added by an hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4481
diff changeset
   477
        return True
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   478
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   479
    def process_form_value(self, form):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   480
        """Return the correctly typed value posted for this field."""
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   481
        try:
4661
87672c718c3c [form] cache field value in form.formvalues using (field, form) key since in some case the same field instance may be shared accross multiple forms, which may share the formvalues dict in case of sub-forms
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4658
diff changeset
   482
            return form.formvalues[(self, form)]
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   483
        except KeyError:
4661
87672c718c3c [form] cache field value in form.formvalues using (field, form) key since in some case the same field instance may be shared accross multiple forms, which may share the formvalues dict in case of sub-forms
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4658
diff changeset
   484
            value = form.formvalues[(self, form)] = self._process_form_value(form)
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   485
            return value
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   486
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   487
    def _process_form_value(self, form):
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   488
        widget = self.get_widget(form)
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   489
        value = widget.process_field_data(form, self)
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   490
        return self._ensure_correctly_typed(form, value)
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   491
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   492
    def _ensure_correctly_typed(self, form, value):
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   493
        """widget might to return date as a correctly formatted string or as
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   494
        correctly typed objects, but process_for_value must return a typed value.
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   495
        Override this method to type the value if necessary
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   496
        """
4392
91a56a30141e by default this is not the widget responsability to turn empty string into None,
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4388
diff changeset
   497
        return value or None
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   498
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   499
    def process_posted(self, form):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   500
        """Return an iterator on (field, value) that has been posted for
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   501
        field returned by :meth:`~cubicweb.web.formfields.Field.actual_fields`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   502
        """
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   503
        for field in self.actual_fields(form):
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   504
            if field is self:
4251
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   505
                try:
5038
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   506
                    value = field.process_form_value(form)
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   507
                    if value is None and field.required:
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   508
                        raise ProcessFormError(form._cw._("required field"))
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   509
                    yield field, value
4251
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   510
                except UnmodifiedField:
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   511
                    continue
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   512
            else:
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   513
                # recursive function: we might have compound fields
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   514
                # of compound fields (of compound fields of ...)
4166
677e487e691a process_posted yield field instead of field's name
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4165
diff changeset
   515
                for field, value in field.process_posted(form):
677e487e691a process_posted yield field instead of field's name
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4165
diff changeset
   516
                    yield field, value
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   517
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   518
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   519
class StringField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   520
    """Use this field to edit unicode string (`String` yams type). This field
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   521
    additionaly support a `max_length` attribute that specify a maximum size for
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   522
    the string (`None` meaning no limit).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   523
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   524
    Unless explicitly specified, the widget for this field will be:
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   525
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   526
    * :class:`~cubicweb.web.formwidgets.Select` if some vocabulary is specified
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   527
      using `choices` attribute
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   528
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   529
    * :class:`~cubicweb.web.formwidgets.TextInput` if maximum size is specified
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   530
      using `max_length` attribute and this length is inferior to 257.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   531
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   532
    * :class:`~cubicweb.web.formwidgets.TextArea` in all other cases
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   533
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   534
    widget = fw.TextArea
4215
9fbc39453012 [forms] make it easier to override StringField's mininum size
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4212
diff changeset
   535
    size = 45
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   536
4168
9d83f9c80c1c nicer StringField __init__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4166
diff changeset
   537
    def __init__(self, name=None, max_length=None, **kwargs):
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   538
        self.max_length = max_length # must be set before super call
4168
9d83f9c80c1c nicer StringField __init__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4166
diff changeset
   539
        super(StringField, self).__init__(name=name, **kwargs)
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   540
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   541
    def init_widget(self, widget):
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   542
        if widget is None:
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   543
            if self.choices:
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   544
                widget = fw.Select()
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   545
            elif self.max_length and self.max_length < 257:
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   546
                widget = fw.TextInput()
2344
22b5ea0679ed [formfields] set a reasonable minimal minimum length to input/text, also set the max length if applicable (closes #344538)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2332
diff changeset
   547
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   548
        super(StringField, self).init_widget(widget)
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   549
        if isinstance(self.widget, fw.TextArea):
1573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   550
            self.init_text_area(self.widget)
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   551
        elif isinstance(self.widget, fw.TextInput):
2360
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   552
            self.init_text_input(self.widget)
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   553
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   554
    def init_text_input(self, widget):
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   555
        if self.max_length:
4215
9fbc39453012 [forms] make it easier to override StringField's mininum size
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 4212
diff changeset
   556
            widget.attrs.setdefault('size', min(self.size, self.max_length))
2360
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   557
            widget.attrs.setdefault('maxlength', self.max_length)
1573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   558
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   559
    def init_text_area(self, widget):
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   560
        if self.max_length < 513:
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   561
            widget.attrs.setdefault('cols', 60)
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   562
            widget.attrs.setdefault('rows', 5)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   563
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   564
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   565
class PasswordField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   566
    """Use this field to edit password (`Password` yams type, encoded python
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   567
    string).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   568
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   569
    Unless explicitly specified, the widget for this field will be
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   570
    a :class:`~cubicweb.web.formwidgets.PasswordInput`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   571
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   572
    widget = fw.PasswordInput
4628
2f23148d0870 [form fields] nicer behaviour of the password field: don't put internal field value on edition (triggering validation error if one validation without removing the value, due to confirmation mismatch), and don't show the field as required in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4583
diff changeset
   573
    def form_init(self, form):
2f23148d0870 [form fields] nicer behaviour of the password field: don't put internal field value on edition (triggering validation error if one validation without removing the value, due to confirmation mismatch), and don't show the field as required in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4583
diff changeset
   574
        if self.eidparam and form.edited_entity.has_eid():
2f23148d0870 [form fields] nicer behaviour of the password field: don't put internal field value on edition (triggering validation error if one validation without removing the value, due to confirmation mismatch), and don't show the field as required in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4583
diff changeset
   575
            # see below: value is probably set but we can't retreive it. Ensure
2f23148d0870 [form fields] nicer behaviour of the password field: don't put internal field value on edition (triggering validation error if one validation without removing the value, due to confirmation mismatch), and don't show the field as required in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4583
diff changeset
   576
            # the field isn't show as a required field on modification
2f23148d0870 [form fields] nicer behaviour of the password field: don't put internal field value on edition (triggering validation error if one validation without removing the value, due to confirmation mismatch), and don't show the field as required in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4583
diff changeset
   577
            self.required = False
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   578
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   579
    def typed_value(self, form, load_bytes=False):
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   580
        if self.eidparam:
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   581
            # no way to fetch actual password value with cw
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   582
            if form.edited_entity.has_eid():
4628
2f23148d0870 [form fields] nicer behaviour of the password field: don't put internal field value on edition (triggering validation error if one validation without removing the value, due to confirmation mismatch), and don't show the field as required in such case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4583
diff changeset
   583
                return ''
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   584
            return self.initial_typed_value(form, load_bytes)
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   585
        return super(PasswordField, self).typed_value(form, load_bytes)
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   586
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   587
1573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   588
class RichTextField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   589
    """This compound field allow edition of text (unicode string) in
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   590
    a particular format. It has an inner field holding the text format,
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   591
    that can be specified using `format_field` argument. If not specified
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   592
    one will be automaticall generated.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   593
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   594
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   595
    :class:`~cubicweb.web.formwidgets.FCKEditor` or a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   596
    :class:`~cubicweb.web.formwidgets.TextArea`. according to the field's
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   597
    format and to user's preferences.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   598
    """
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   599
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   600
    widget = None
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   601
    def __init__(self, format_field=None, **kwargs):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   602
        super(RichTextField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   603
        self.format_field = format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   604
2348
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   605
    def init_text_area(self, widget):
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   606
        pass
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   607
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   608
    def get_widget(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   609
        if self.widget is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   610
            if self.use_fckeditor(form):
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   611
                return fw.FCKEditor()
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   612
            widget = fw.TextArea()
1573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   613
            self.init_text_area(widget)
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   614
            return widget
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   615
        return self.widget
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   616
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   617
    def get_format_field(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   618
        if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   619
            return self.format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   620
        # we have to cache generated field since it's use as key in the
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   621
        # context dictionnary
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   622
        req = form._cw
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   623
        try:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   624
            return req.data[self]
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   625
        except KeyError:
4165
eb9acad29407 proper field's role handling: may be 'subject' / 'object' *in case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4162
diff changeset
   626
            fkwargs = {'eidparam': self.eidparam, 'role': self.role}
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   627
            if self.use_fckeditor(form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   628
                # if fckeditor is used and format field isn't explicitly
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   629
                # deactivated, we want an hidden field for the format
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   630
                fkwargs['widget'] = fw.HiddenInput()
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   631
                fkwargs['value'] = 'text/html'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   632
            else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   633
                # else we want a format selector
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   634
                fkwargs['widget'] = fw.Select()
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   635
                fcstr = FormatConstraint()
3347
428f95118556 fix vocab param to avoid deprecation warning
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3337
diff changeset
   636
                fkwargs['choices'] = fcstr.vocabulary(form=form)
1858
69e41c88e195 connect format field to form_field_format for its initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1836
diff changeset
   637
                fkwargs['internationalizable'] = True
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   638
                fkwargs['value'] = self.format
3385
68953ecddd2b [forms] work-in-progress: let guess_field and RichTextField.get_format_field handle eidparam of meta fields
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3384
diff changeset
   639
            fkwargs['eidparam'] = self.eidparam
1858
69e41c88e195 connect format field to form_field_format for its initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1836
diff changeset
   640
            field = StringField(name=self.name + '_format', **fkwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   641
            req.data[self] = field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   642
            return field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   643
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   644
    def actual_fields(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   645
        yield self
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   646
        format_field = self.get_format_field(form)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   647
        if format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   648
            yield format_field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   649
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   650
    def use_fckeditor(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   651
        """return True if fckeditor should be used to edit entity's attribute named
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   652
        `attr`, according to user preferences
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   653
        """
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   654
        if form._cw.use_fckeditor():
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   655
            return self.format(form) == 'text/html'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   656
        return False
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   657
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   658
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   659
        format_field = self.get_format_field(form)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   660
        if format_field:
1793
fdac26e003e7 fix vertical alignment pb. with descr. format list and textarea inputs
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1758
diff changeset
   661
            # XXX we want both fields to remain vertically aligned
2723
d38c2b01d766 don't set display: block on hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2362
diff changeset
   662
            if format_field.is_visible():
d38c2b01d766 don't set display: block on hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2362
diff changeset
   663
                format_field.widget.attrs['style'] = 'display: block'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   664
            result = format_field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   665
        else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   666
            result = u''
2522
562f5dcf2345 widget.render now takes the renderer as third argument (keeping minimal bw compat)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2520
diff changeset
   667
        return result + self.get_widget(form).render(form, self, renderer)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   668
1417
06af20e663f2 remove spaces
sylvain.thenault@logilab.fr
parents: 1393
diff changeset
   669
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   670
class FileField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   671
    """This compound field allow edition of binary stream (`Bytes` yams
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   672
    type). Three inner fields may be specified:
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   673
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   674
    * `format_field`, holding the file's format.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   675
    * `encoding_field`, holding the file's content encoding.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   676
    * `name_field`, holding the file's name.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   677
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   678
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   679
    :class:`~cubicweb.web.formwidgets.FileInput`. Inner fields, if any,
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   680
    will be added to a drop down menu at the right of the file input.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   681
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   682
    widget = fw.FileInput
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   683
    needs_multipart = True
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   684
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   685
    def __init__(self, format_field=None, encoding_field=None, name_field=None,
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   686
                 **kwargs):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   687
        super(FileField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   688
        self.format_field = format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   689
        self.encoding_field = encoding_field
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   690
        self.name_field = name_field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   691
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   692
    def actual_fields(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   693
        yield self
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   694
        if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   695
            yield self.format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   696
        if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   697
            yield self.encoding_field
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   698
        if self.name_field:
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   699
            yield self.name_field
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   700
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   701
    def typed_value(self, form, load_bytes=False):
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   702
        if self.eidparam and self.role is not None:
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   703
            if form.edited_entity.has_eid():
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   704
                if load_bytes:
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   705
                    return getattr(form.edited_entity, self.name)
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   706
                # don't actually load data
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   707
                # XXX value should reflect if some file is already attached
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   708
                # * try to display name metadata
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   709
                # * check length(data) / data != null
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   710
                return True
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   711
            return False
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   712
        return super(FileField, self).typed_value(form, load_bytes)
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   713
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   714
    def render(self, form, renderer):
2522
562f5dcf2345 widget.render now takes the renderer as third argument (keeping minimal bw compat)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2520
diff changeset
   715
        wdgs = [self.get_widget(form).render(form, self, renderer)]
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   716
        if self.format_field or self.encoding_field:
4156
1bbb0ee42c8e drop form_field_name/form_field_id methods from form object, in favor of field.input_name(form) / field.dom_id(form)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4110
diff changeset
   717
            divid = '%s-advanced' % self.input_name(form)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   718
            wdgs.append(u'<a href="%s" title="%s"><img src="%s" alt="%s"/></a>' %
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2244
diff changeset
   719
                        (xml_escape(uilib.toggle_action(divid)),
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   720
                         form._cw._('show advanced fields'),
7070
5f8e52d722c5 [web] provide a data_url() method on req and get_rid of explicit datadir_url usage (#1438736)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 6690
diff changeset
   721
                         xml_escape(form._cw.data_url('puce_down.png')),
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   722
                         form._cw._('show advanced fields')))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   723
            wdgs.append(u'<div id="%s" class="hidden">' % divid)
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   724
            if self.name_field:
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   725
                wdgs.append(self.render_subfield(form, self.name_field, renderer))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   726
            if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   727
                wdgs.append(self.render_subfield(form, self.format_field, renderer))
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   728
            if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   729
                wdgs.append(self.render_subfield(form, self.encoding_field, renderer))
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   730
            wdgs.append(u'</div>')
4369
6d3dae46ee95 fix typed_value implementation w/ eidparam field which are actual entity's relation and have .value set for their initial value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4368
diff changeset
   731
        if not self.required and self.typed_value(form):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   732
            # trick to be able to delete an uploaded file
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   733
            wdgs.append(u'<br/>')
4156
1bbb0ee42c8e drop form_field_name/form_field_id methods from form object, in favor of field.input_name(form) / field.dom_id(form)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4110
diff changeset
   734
            wdgs.append(tags.input(name=self.input_name(form, u'__detach'),
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   735
                                   type=u'checkbox'))
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   736
            wdgs.append(form._cw._('detach attached file'))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   737
        return u'\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   738
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   739
    def render_subfield(self, form, field, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   740
        return (renderer.render_label(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   741
                + field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   742
                + renderer.render_help(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   743
                + u'<br/>')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   744
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   745
    def _process_form_value(self, form):
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   746
        posted = form._cw.form
4156
1bbb0ee42c8e drop form_field_name/form_field_id methods from form object, in favor of field.input_name(form) / field.dom_id(form)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4110
diff changeset
   747
        if self.input_name(form, u'__detach') in posted:
4251
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   748
            # drop current file value on explictily asked to detach
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   749
            return None
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   750
        try:
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   751
            value = posted[self.input_name(form)]
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   752
        except KeyError:
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   753
            # raise UnmodifiedField instead of returning None, since the later
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   754
            # will try to remove already attached file if any
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   755
            raise UnmodifiedField()
5270
6297d5265572 [etwist] allow to specify max size for POST request in the configuration. We should deal with this nicely on the js form validation code.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5238
diff changeset
   756
        # value is a 2-uple (filename, stream)
5497
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   757
        try:
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   758
            filename, stream = value
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   759
        except ValueError:
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   760
            raise UnmodifiedField()
5270
6297d5265572 [etwist] allow to specify max size for POST request in the configuration. We should deal with this nicely on the js form validation code.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5238
diff changeset
   761
        # XXX avoid in memory loading of posted files. Requires Binary handling changes...
4251
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   762
        value = Binary(stream.read())
4273
183cd0df6f1a fix dumb name error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4272
diff changeset
   763
        if not value.getvalue(): # usually an unexistant file
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   764
            value = None
4156
1bbb0ee42c8e drop form_field_name/form_field_id methods from form object, in favor of field.input_name(form) / field.dom_id(form)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4110
diff changeset
   765
        else:
4251
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   766
            # set filename on the Binary instance, may be used later in hooks
5756
ab03e4adb4f1 [filefield] normalized file names to deal with windows files
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 5661
diff changeset
   767
            value.filename = normalize_filename(filename)
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   768
        return value
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   769
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   770
5367
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5220
diff changeset
   771
# XXX turn into a widget
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   772
class EditableFileField(FileField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   773
    """This compound field allow edition of binary stream as
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   774
    :class:`~cubicweb.web.formfields.FileField` but expect that stream to
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   775
    actually contains some text.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   776
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   777
    If the stream format is one of text/plain, text/html, text/rest,
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   778
    then a :class:`~cubicweb.web.formwidgets.TextArea` will be additionaly
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   779
    displayed, allowing to directly the file's content when desired, instead
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   780
    of choosing a file from user's file system.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   781
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   782
    editable_formats = ('text/plain', 'text/html', 'text/rest')
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   783
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   784
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   785
        wdgs = [super(EditableFileField, self).render(form, renderer)]
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   786
        if self.format(form) in self.editable_formats:
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
   787
            data = self.typed_value(form, load_bytes=True)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   788
            if data:
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   789
                encoding = self.encoding(form)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   790
                try:
4661
87672c718c3c [form] cache field value in form.formvalues using (field, form) key since in some case the same field instance may be shared accross multiple forms, which may share the formvalues dict in case of sub-forms
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4658
diff changeset
   791
                    form.formvalues[(self, form)] = unicode(data.getvalue(), encoding)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   792
                except UnicodeError:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   793
                    pass
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   794
                else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   795
                    if not self.required:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   796
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   797
                            'You can either submit a new file using the browse button above'
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   798
                            ', or choose to remove already uploaded file by checking the '
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   799
                            '"detach attached file" check-box, or edit file content online '
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   800
                            'with the widget below.')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   801
                    else:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   802
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   803
                            'You can either submit a new file using the browse button above'
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   804
                            ', or edit file content online with the widget below.')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   805
                    wdgs.append(u'<p><b>%s</b></p>' % msg)
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   806
                    wdgs.append(fw.TextArea(setdomid=False).render(form, self, renderer))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   807
                    # XXX restore form context?
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   808
        return '\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   809
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   810
    def _process_form_value(self, form):
4156
1bbb0ee42c8e drop form_field_name/form_field_id methods from form object, in favor of field.input_name(form) / field.dom_id(form)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4110
diff changeset
   811
        value = form._cw.form.get(self.input_name(form))
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   812
        if isinstance(value, unicode):
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   813
            # file modified using a text widget
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4161
diff changeset
   814
            return Binary(value.encode(self.encoding(form)))
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
   815
        return super(EditableFileField, self)._process_form_value(form)
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   816
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   817
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   818
class BigIntField(Field):
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   819
    """Use this field to edit big integers (`BigInt` yams type). This field
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   820
    additionaly support `min` and `max` attributes that specify a minimum and/or
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   821
    maximum value for the integer (`None` meaning no boundary).
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   822
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   823
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   824
    :class:`~cubicweb.web.formwidgets.TextInput`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   825
    """
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   826
    default_text_input_size = 10
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   827
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   828
    def __init__(self, min=None, max=None, **kwargs):
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   829
        super(BigIntField, self).__init__(**kwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   830
        self.min = min
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   831
        self.max = max
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   832
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   833
    def init_widget(self, widget):
7462
fbfde96437ad [web] fix typo
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 7460
diff changeset
   834
        super(BigIntField, self).init_widget(widget)
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   835
        if isinstance(self.widget, fw.TextInput):
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   836
            self.widget.attrs.setdefault('size', self.default_text_input_size)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   837
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   838
    def _ensure_correctly_typed(self, form, value):
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   839
        if isinstance(value, basestring):
4528
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   840
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   841
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   842
                return None
4225
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   843
            try:
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   844
                return int(value)
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   845
            except ValueError:
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   846
                raise ProcessFormError(form._cw._('an integer is expected'))
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   847
        return value
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   848
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   849
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   850
class IntField(BigIntField):
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   851
    """Use this field to edit integers (`Int` yams type). Similar to
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   852
    :class:`~cubicweb.web.formfields.BigIntField` but set max length when text
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   853
    input widget is used (the default).
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   854
    """
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   855
    default_text_input_size = 5
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   856
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   857
    def init_widget(self, widget):
7462
fbfde96437ad [web] fix typo
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 7460
diff changeset
   858
        super(IntField, self).init_widget(widget)
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   859
        if isinstance(self.widget, fw.TextInput):
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   860
            self.widget.attrs.setdefault('maxlength', 15)
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   861
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
   862
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   863
class BooleanField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   864
    """Use this field to edit booleans (`Boolean` yams type).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   865
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   866
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   867
    :class:`~cubicweb.web.formwidgets.Radio` with yes/no values. You
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   868
    can change that values by specifing `choices`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   869
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   870
    widget = fw.Radio
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   871
6114
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   872
    def __init__(self, allow_none=False, **kwargs):
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   873
        super(BooleanField, self).__init__(**kwargs)
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   874
        self.allow_none = allow_none
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   875
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   876
    def vocabulary(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   877
        if self.choices:
4131
d8ca873142f4 call super class if choices specified to get std behaviour
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3874
diff changeset
   878
            return super(BooleanField, self).vocabulary(form)
6114
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   879
        if self.allow_none:
7231
18bcb98d129a [widgets] handle no value label for tristate radios, put default separator on class for easier redefinition - closes #1624839
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7166
diff changeset
   880
            return [(form._cw._('indifferent'), ''),
18bcb98d129a [widgets] handle no value label for tristate radios, put default separator on class for easier redefinition - closes #1624839
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7166
diff changeset
   881
                    (form._cw._('yes'), '1'),
18bcb98d129a [widgets] handle no value label for tristate radios, put default separator on class for easier redefinition - closes #1624839
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 7166
diff changeset
   882
                    (form._cw._('no'), '0')]
6114
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   883
        # XXX empty string for 'no' in that case for bw compat
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   884
        return [(form._cw._('yes'), '1'), (form._cw._('no'), '')]
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   885
6285
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   886
    def format_single_value(self, req, value):
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   887
        """return value suitable for display"""
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   888
        if self.allow_none:
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   889
            if value is None:
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   890
                return u''
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   891
            if value is False:
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   892
                return '0'
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   893
        return super(BooleanField, self).format_single_value(req, value)
b8a2c9b9a2cb [boolean field] we've to override format_single_value as well in case where None are allowed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6218
diff changeset
   894
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   895
    def _ensure_correctly_typed(self, form, value):
6114
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   896
        if self.allow_none:
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   897
            if value:
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   898
                return bool(int(value))
3e1718a2db55 [formwidgets] new allow_none attribute on BooleanField allowing a third None value for booleans
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5955
diff changeset
   899
            return None
4393
87e48fe398f1 systematically call bool on BooleanField values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4392
diff changeset
   900
        return bool(value)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   901
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   902
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   903
class FloatField(IntField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   904
    """Use this field to edit floats (`Float` yams type). This field additionaly
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   905
    support `min` and `max` attributes as the
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   906
    :class:`~cubicweb.web.formfields.IntField`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   907
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   908
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   909
    :class:`~cubicweb.web.formwidgets.TextInput`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   910
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   911
    def format_single_value(self, req, value):
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   912
        formatstr = req.property_value('ui.float-format')
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   913
        if value is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   914
            return u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   915
        return formatstr % float(value)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   916
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   917
    def render_example(self, req):
2086
be76ce00a05e fix TimeField format_prop, use format_single_value directly in render_example
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1989
diff changeset
   918
        return self.format_single_value(req, 1.234)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   919
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   920
    def _ensure_correctly_typed(self, form, value):
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   921
        if isinstance(value, basestring):
4528
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   922
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   923
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   924
                return None
4225
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   925
            try:
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   926
                return float(value)
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   927
            except ValueError:
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   928
                raise ProcessFormError(form._cw._('a float is expected'))
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   929
        return None
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   930
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   931
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   932
class DateField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   933
    """Use this field to edit date (`Date` yams type).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   934
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   935
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   936
    :class:`~cubicweb.web.formwidgets.JQueryDatePicker`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   937
    """
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   938
    widget = fw.JQueryDatePicker
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   939
    format_prop = 'ui.date-format'
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   940
    etype = 'Date'
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   941
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   942
    def format_single_value(self, req, value):
4382
6fb02edd05da 3.6 api update, cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4377
diff changeset
   943
        if value:
4544
d92aa3221c30 split introduced in the wrong place
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4528
diff changeset
   944
            return ustrftime(value, req.property_value(self.format_prop))
4382
6fb02edd05da 3.6 api update, cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4377
diff changeset
   945
        return u''
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   946
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   947
    def render_example(self, req):
2086
be76ce00a05e fix TimeField format_prop, use format_single_value directly in render_example
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1989
diff changeset
   948
        return self.format_single_value(req, datetime.now())
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   949
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   950
    def _ensure_correctly_typed(self, form, value):
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   951
        if isinstance(value, basestring):
4528
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   952
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   953
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   954
                return None
4225
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   955
            try:
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   956
                value = form._cw.parse_datetime(value, self.etype)
4225
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   957
            except ValueError, ex:
c49bb6e3d343 fix process_form_values: we should handle value errors and properly raise ProcessFormError
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4181
diff changeset
   958
                raise ProcessFormError(unicode(ex))
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   959
        return value
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   960
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   961
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   962
class DateTimeField(DateField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   963
    """Use this field to edit datetime (`Datetime` yams type).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   964
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   965
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   966
    :class:`~cubicweb.web.formwidgets.JQueryDateTimePicker`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   967
    """
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   968
    widget = fw.JQueryDateTimePicker
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   969
    format_prop = 'ui.datetime-format'
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   970
    etype = 'Datetime'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   971
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   972
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   973
class TimeField(DateField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   974
    """Use this field to edit time (`Time` yams type).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   975
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   976
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   977
    :class:`~cubicweb.web.formwidgets.JQueryTimePicker`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   978
    """
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   979
    widget = fw.JQueryTimePicker
2086
be76ce00a05e fix TimeField format_prop, use format_single_value directly in render_example
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1989
diff changeset
   980
    format_prop = 'ui.time-format'
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   981
    etype = 'Time'
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   982
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   983
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   984
# XXX use cases where we don't actually want a better widget?
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   985
class CompoundField(Field):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   986
    """This field shouldn't be used directly, it's designed to hold inner
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   987
    fields that should be conceptually groupped together.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   988
    """
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   989
    def __init__(self, fields, *args, **kwargs):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   990
        super(CompoundField, self).__init__(*args, **kwargs)
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   991
        self.fields = fields
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   992
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   993
    def subfields(self, form):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   994
        return self.fields
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   995
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   996
    def actual_fields(self, form):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   997
        # don't add [self] to actual fields, compound field is usually kinda
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   998
        # virtual, all interesting values are in subfield. Skipping it may avoid
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   999
        # error when processed by the editcontroller : it may be marked as required
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1000
        # while it has no value, hence generating a false error.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1001
        return list(self.fields)
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1002
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1003
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1004
class RelationField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1005
    """Use this field to edit a relation of an entity.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1006
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1007
    Unless explicitly specified, the widget for this field will be a
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1008
    :class:`~cubicweb.web.formwidgets.Select`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1009
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1010
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1011
    @staticmethod
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1012
    def fromcardinality(card, **kwargs):
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
  1013
        kwargs.setdefault('widget', fw.Select(multiple=card in '*+'))
1738
2cfd50c8a415 should not override potential explicit widget
sylvain.thenault@logilab.fr
parents: 1709
diff changeset
  1014
        return RelationField(**kwargs)
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
  1015
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1016
    def choices(self, form, limit=None):
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1017
        """Take care, choices function for relation field instance should take
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1018
        an extra 'limit' argument, with default to None.
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1019
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1020
        This argument is used by the 'unrelateddivs' view (see in autoform) and
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1021
        when it's specified (eg not None), vocabulary returned should:
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1022
        * not include already related entities
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1023
        * have a max size of `limit` entities
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1024
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1108
diff changeset
  1025
        entity = form.edited_entity
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1026
        # first see if its specified by __linkto form parameters
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1027
        if limit is None:
7875
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1028
            linkedto = self.relvoc_linkedto(form)
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1029
            if linkedto:
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1030
                return linkedto
7990
a673d1d9a738 [diet] drop pre 3.6 API compatibility (but attempt to keep data cmopatibility). Closes #2017916
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7973
diff changeset
  1031
            # it isn't, search more vocabulary
7875
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1032
            vocab = self.relvoc_init(form)
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1033
        else:
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1034
            vocab = []
7990
a673d1d9a738 [diet] drop pre 3.6 API compatibility (but attempt to keep data cmopatibility). Closes #2017916
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7973
diff changeset
  1035
        vocab += self.relvoc_unrelated(form, limit)
1562
e6d2c07c0c58 [forms/widgets] fix relation field not sorting its vocabulary, revert hack on Select widget
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1505
diff changeset
  1036
        if self.sort:
3334
8d831c02da9a fix sort of fields vocabulary: should consider option groups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3308
diff changeset
  1037
            vocab = vocab_sort(vocab)
1562
e6d2c07c0c58 [forms/widgets] fix relation field not sorting its vocabulary, revert hack on Select widget
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 1505
diff changeset
  1038
        return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
  1039
7875
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1040
    def relvoc_linkedto(self, form):
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1041
        linkedto = form.linked_to.get((self.name, self.role))
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1042
        if linkedto:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1043
            buildent = form._cw.entity_from_eid
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1044
            return [(buildent(eid).view('combobox'), unicode(eid))
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1045
                    for eid in linkedto]
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1046
        return []
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1047
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1048
    def relvoc_init(self, form):
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1049
        entity, rtype, role = form.edited_entity, self.name, self.role
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1050
        vocab = []
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1051
        if not self.required:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1052
            vocab.append(('', INTERNAL_FIELD_VALUE))
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1053
        # vocabulary doesn't include current values, add them
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1054
        if form.edited_entity.has_eid():
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1055
            rset = form.edited_entity.related(self.name, self.role)
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1056
            vocab += [(e.view('combobox'), unicode(e.eid))
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1057
                      for e in rset.entities()]
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1058
        return vocab
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1059
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1060
    def relvoc_unrelated(self, form, limit=None):
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1061
        entity = form.edited_entity
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1062
        rtype = entity._cw.vreg.schema.rschema(self.name)
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1063
        if entity.has_eid():
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1064
            done = set(row[0] for row in entity.related(rtype, self.role))
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1065
        else:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1066
            done = None
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1067
        result = []
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1068
        rsetsize = None
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1069
        for objtype in rtype.targets(entity.e_schema, self.role):
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1070
            if limit is not None:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1071
                rsetsize = limit - len(result)
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1072
            result += self._relvoc_unrelated(form, objtype, rsetsize, done)
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1073
            if limit is not None and len(result) >= limit:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1074
                break
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1075
        return result
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1076
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1077
    def _relvoc_unrelated(self, form, targettype, limit, done):
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1078
        """return unrelated entities for a given relation and target entity type
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1079
        for use in vocabulary
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1080
        """
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1081
        if done is None:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1082
            done = set()
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1083
        res = []
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1084
        entity = form.edited_entity
7973
64639bc94e25 [entity] restrict creation form field vocabulary using __linkto information (closes #1799997)
Florent Cayré <florent.cayre@gmail.com>
parents: 7894
diff changeset
  1085
        for entity in entity.unrelated(self.name, targettype, self.role, limit,
64639bc94e25 [entity] restrict creation form field vocabulary using __linkto information (closes #1799997)
Florent Cayré <florent.cayre@gmail.com>
parents: 7894
diff changeset
  1086
                                       lt_infos=form.linked_to).entities():
7875
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1087
            if entity.eid in done:
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1088
                continue
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1089
            done.add(entity.eid)
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1090
            res.append((entity.view('combobox'), unicode(entity.eid)))
65e460690139 [form, entity] refactor '__linkto', now handled by the entity form, not the entity itself. Closes #1931543
Florent Cayré <florent.cayre@gmail.com>
parents: 7756
diff changeset
  1091
        return res
4159
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4158
diff changeset
  1092
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1093
    def format_single_value(self, req, value):
5816
5d72fbba92e9 [form] apply patch #933771: format_single_value / vocabulary methods should *always* return actual value as an unicode string
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5762
diff changeset
  1094
        return unicode(value)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1095
4581
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1096
    def process_form_value(self, form):
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1097
        """process posted form and return correctly typed value"""
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1098
        try:
4661
87672c718c3c [form] cache field value in form.formvalues using (field, form) key since in some case the same field instance may be shared accross multiple forms, which may share the formvalues dict in case of sub-forms
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4658
diff changeset
  1099
            return form.formvalues[(self, form)]
4581
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1100
        except KeyError:
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1101
            value = self._process_form_value(form)
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1102
            # if value is None, there are some remaining pending fields, we'll
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1103
            # have to recompute this later -> don't cache in formvalues
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1104
            if value is not None:
4661
87672c718c3c [form] cache field value in form.formvalues using (field, form) key since in some case the same field instance may be shared accross multiple forms, which may share the formvalues dict in case of sub-forms
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4658
diff changeset
  1105
                form.formvalues[(self, form)] = value
4581
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1106
            return value
c92ded4dee20 [forms] fix RelationField bug with pending eids (eg inlined forms): we have to override process_form_value to avoid caching when recomputing is needed
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4546
diff changeset
  1107
4359
fabc680bb0bf fix Bytes submission pb on POST, due to multiple call to field.process_form_value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4354
diff changeset
  1108
    def _process_form_value(self, form):
4110
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
  1109
        """process posted form and return correctly typed value"""
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
  1110
        widget = self.get_widget(form)
4171
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1111
        values = widget.process_field_data(form, self)
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1112
        if values is None:
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1113
            values = ()
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1114
        elif not isinstance(values, list):
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1115
            values = (values,)
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1116
        eids = set()
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1117
        for eid in values:
4227
39f01be4a6c5 should skip INTERNAL_FIELD_VALUE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4226
diff changeset
  1118
            if not eid or eid == INTERNAL_FIELD_VALUE:
4171
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1119
                continue
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1120
            typed_eid = form.actual_eid(eid)
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1121
            if typed_eid is None:
4226
67dd296f864d should use a set for pending fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4225
diff changeset
  1122
                form._cw.data['pendingfields'].add( (form, self) )
4171
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1123
                return None
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1124
            eids.add(typed_eid)
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1125
        return eids
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1126
2523
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
  1127
5057
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1128
_AFF_KWARGS = uicfg.autoform_field_kwargs
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1129
5712
e136d392bd71 [form] refactor meta-attributes handling: hide them by default using uicfg.afs instead of returning None (or not, according to skip_meta_attr flag argument) in guess_field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5697
diff changeset
  1130
def guess_field(eschema, rschema, role='subject', **kwargs):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1131
    """This function return the most adapted field to edit the given relation
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1132
    (`rschema`) where the given entity type (`eschema`) is the subject or object
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1133
    (`role`).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1134
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1135
    The field is initialized according to information found in the schema,
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1136
    though any value can be explicitly specified using `kwargs`.
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1137
    """
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1138
    fieldclass = None
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1139
    rdef = eschema.rdef(rschema, role)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1140
    if role == 'subject':
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1141
        targetschema = rdef.object
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3575
diff changeset
  1142
        if rschema.final:
4069
5d149ba65dd0 fix guess_field to handle non internationalizable definition
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 4044
diff changeset
  1143
            if rdef.get('internationalizable'):
2095
897732d3ee5a avoid overriding specified values when guessing field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2091
diff changeset
  1144
                kwargs.setdefault('internationalizable', True)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1145
    else:
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1146
        targetschema = rdef.subject
4044
3876c894e018 card referenced later
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4023
diff changeset
  1147
    card = rdef.role_cardinality(role)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1148
    kwargs['name'] = rschema.type
4165
eb9acad29407 proper field's role handling: may be 'subject' / 'object' *in case
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4162
diff changeset
  1149
    kwargs['role'] = role
5057
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1150
    kwargs['eidparam'] = True
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1151
    kwargs.setdefault('required', card in '1+')
3308
88f5f89d8d1b fix generated label for object relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3299
diff changeset
  1152
    if role == 'object':
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
  1153
        kwargs.setdefault('label', (eschema.type, rschema.type + '_object'))
3308
88f5f89d8d1b fix generated label for object relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3299
diff changeset
  1154
    else:
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
  1155
        kwargs.setdefault('label', (eschema.type, rschema.type))
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1156
    kwargs.setdefault('help', rdef.description)
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3575
diff changeset
  1157
    if rschema.final:
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1158
        fieldclass = FIELDS[targetschema]
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1159
        if fieldclass is StringField:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1160
            if eschema.has_metadata(rschema, 'format'):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1161
                # use RichTextField instead of StringField if the attribute has
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1162
                # a "format" metadata. But getting information from constraints
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1163
                # may be useful anyway...
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1164
                for cstr in rdef.constraints:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1165
                    if isinstance(cstr, StaticVocabularyConstraint):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1166
                        raise Exception('rich text field with static vocabulary')
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1167
                return RichTextField(**kwargs)
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1168
            # init StringField parameters according to constraints
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1169
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1170
                if isinstance(cstr, StaticVocabularyConstraint):
1577
25b46db3cb81 should set field's choices
sylvain.thenault@logilab.fr
parents: 1574
diff changeset
  1171
                    kwargs.setdefault('choices', cstr.vocabulary)
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
  1172
                    break
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1173
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1174
                if isinstance(cstr, SizeConstraint) and cstr.max is not None:
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1175
                    kwargs['max_length'] = cstr.max
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1176
            return StringField(**kwargs)
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1177
        if fieldclass is FileField:
4160
3fbdeef9a610 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4159
diff changeset
  1178
            for metadata in KNOWN_METAATTRIBUTES:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1179
                metaschema = eschema.has_metadata(rschema, metadata)
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1180
                if metaschema is not None:
5057
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1181
                    metakwargs = _AFF_KWARGS.etype_get(eschema, metaschema, 'subject')
1453
a9841184be7c guess_field now takes an entity schema as first argument, not an entity class
sylvain.thenault@logilab.fr
parents: 1437
diff changeset
  1182
                    kwargs['%s_field' % metadata] = guess_field(eschema, metaschema,
5057
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1183
                                                                **metakwargs)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1184
        return fieldclass(**kwargs)
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1185
    return RelationField.fromcardinality(card, **kwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1186
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
  1187
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1188
FIELDS = {
7166
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1189
    'String' :  StringField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1190
    'Bytes':    FileField,
7166
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1191
    'Password': PasswordField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1192
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1193
    'Boolean':  BooleanField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1194
    'Int':      IntField,
7460
2455cdbeadca [schema] support for BigInt type. Closes #1720995
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7231
diff changeset
  1195
    'BigInt':   BigIntField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1196
    'Float':    FloatField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1197
    'Decimal':  StringField,
7166
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1198
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1199
    'Date':       DateField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1200
    'Datetime':   DateTimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1201
    'TZDatetime': DateTimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1202
    'Time':       TimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1203
    'TZTime':     TimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1204
    # XXX implement 'Interval': TimeIntervalField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1205
    }