web/formfields.py
author Nicolas Chauvat <nicolas.chauvat@logilab.fr>
Thu, 14 Apr 2011 14:41:17 +0200
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child 7572 a554010417ce
permissions -rw-r--r--
[facets] display splash image while facets are reloading content (closes #1624851)
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# copyright 2003-2010 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 concret 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.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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    concret 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')
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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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    # 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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    eidparam = False
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    role = None
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    id = None
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    help = None
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    required = False
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    choices = None
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    sort = True
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    internationalizable = False
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    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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    def __init__(self, name=None, label=_MARKER, widget=None, **kwargs):
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        for key, val in kwargs.items():
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            if key == 'initial':
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                warn('[3.6] use value instead of initial', DeprecationWarning,
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                     stacklevel=3)
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                key = 'value'
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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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        # has to be done after other attributes initialization
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        self.init_widget(widget)
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        # ordering number for this field instance
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   216
        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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   224
                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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    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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   256
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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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   273
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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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   285
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   286
    def input_name(self, form, suffix=None):
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   287
        """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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   290
        """
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   291
        # caching is necessary else we get some pb on entity creation :
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   292
        # entity.eid is modified from creation mark (eg 'X') to its actual eid
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   293
        # (eg 123), and then `field.input_name()` won't return the right key
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   294
        # anymore if not cached (first call to input_name done *before* eventual
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   295
        # eid affectation).
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   296
        #
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   297
        # note that you should NOT use @cached else it will create a memory leak
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   298
        # on persistent fields (eg created once for all on a form class) because
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diff changeset
   299
        # of the 'form' appobject argument: the cache will keep growing as new
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   300
        # form are created...
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diff changeset
   301
        try:
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   302
            return form.formvalues[(self, 'input_name', suffix)]
4871
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diff changeset
   303
        except KeyError:
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diff changeset
   304
            name = self.role_name()
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diff changeset
   305
            if suffix is not None:
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diff changeset
   306
                name += suffix
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diff changeset
   307
            if self.eidparam:
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diff changeset
   308
                name = eid_param(name, form.edited_entity.eid)
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diff changeset
   309
            form.formvalues[(self, 'input_name', suffix)] = name
4871
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diff changeset
   310
            return name
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diff changeset
   311
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
   312
    def role_name(self):
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   313
        """return <field.name>-<field.role> if role is specified, else field.name"""
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diff changeset
   314
        if self.role is not None:
5030
5238d9a8dfee [form] put qualified name on validation error, should fix #784299
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diff changeset
   315
            return role_name(self.name, self.role)
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diff changeset
   316
        return self.name
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diff changeset
   317
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diff changeset
   318
    def dom_id(self, form, suffix=None):
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   319
        """Return the HTML DOM identifier for this field, e.g. something
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   320
        suitable to use as HTML input id. You can specify a suffix that will be
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   321
        included in the name when widget needs several inputs.
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diff changeset
   322
        """
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diff changeset
   323
        id = self.id or self.role_name()
4303
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parents: 4302
diff changeset
   324
        if suffix is not None:
35e814dce815 dom_id now accepts a suffix argument as input_name
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diff changeset
   325
            id += suffix
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diff changeset
   326
        if self.eidparam:
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   327
            return eid_param(id, form.edited_entity.eid)
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diff changeset
   328
        return id
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diff changeset
   329
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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
   330
    def typed_value(self, form, load_bytes=False):
5368
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diff changeset
   331
        """Return the correctly typed value for this field in the form context.
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diff changeset
   332
        """
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diff changeset
   333
        if self.eidparam and self.role is not None:
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diff changeset
   334
            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
   335
            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
   336
                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
   337
                    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
   338
                    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
   339
                        return value
5557
1a534c596bff [entity] continue cleanup of Entity/AnyEntity namespace
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5497
diff changeset
   340
            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
   341
                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
   342
                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
   343
                    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
   344
        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
   345
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
   346
    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
   347
        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
   348
            if callable(self.value):
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)
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
   357
        if hasattr(form, formattr):
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
   358
            warn('[3.6] %s.%s deprecated, use field.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
   359
                form.__class__.__name__, formattr), DeprecationWarning)
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
   360
            return getattr(form, formattr)()
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
   361
        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
   362
            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
   363
                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
   364
            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
   365
        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
   366
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   367
    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
   368
        """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
   369
        field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   370
        """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   371
        return u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   372
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   373
    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
   374
        """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
   375
        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
   376
        """
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
   377
        widget = self.get_widget(form)
3873
4d95109582c7 [web] remove widget.render backward compatibility
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3790
diff changeset
   378
        return widget.render(form, self, renderer)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   379
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
   380
    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
   381
        """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
   382
        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
   383
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   384
        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
   385
        *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
   386
        """
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   387
        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
   388
        if callable(self.choices):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   389
            try:
4338
0eb7efcbcee1 to ease overriding of field.choices using *function* (set using autoform_field_kwargs), give the field as named argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4304
diff changeset
   390
                if getattr(self.choices, 'im_self', None) is self:
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
   391
                    vocab = self.choices(form=form, **kwargs)
4338
0eb7efcbcee1 to ease overriding of field.choices using *function* (set using autoform_field_kwargs), give the field as named argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4304
diff changeset
   392
                else:
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
   393
                    vocab = self.choices(form=form, field=self, **kwargs)
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   394
            except TypeError:
4338
0eb7efcbcee1 to ease overriding of field.choices using *function* (set using autoform_field_kwargs), give the field as named argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4304
diff changeset
   395
                try:
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
   396
                    vocab = self.choices(form=form, **kwargs)
4499
4f741341d96f avoid to see the same warning twice, one for 3.6 another for 3.3
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4495
diff changeset
   397
                    warn('[3.6]  %s: choices should now take '
4f741341d96f avoid to see the same warning twice, one for 3.6 another for 3.3
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4495
diff changeset
   398
                         'the form and field as named arguments' % self,
4f741341d96f avoid to see the same warning twice, one for 3.6 another for 3.3
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4495
diff changeset
   399
                         DeprecationWarning)
4338
0eb7efcbcee1 to ease overriding of field.choices using *function* (set using autoform_field_kwargs), give the field as named argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4304
diff changeset
   400
                except TypeError:
0eb7efcbcee1 to ease overriding of field.choices using *function* (set using autoform_field_kwargs), give the field as named argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4304
diff changeset
   401
                    warn('[3.3]  %s: choices should now take '
4386
cf8842b69379 [forms] fix backward compat for field.choices arguments
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4382
diff changeset
   402
                         'the form and field as named arguments' % self,
cf8842b69379 [forms] fix backward compat for field.choices arguments
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4382
diff changeset
   403
                         DeprecationWarning)
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
   404
                    vocab = self.choices(req=form._cw, **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
   405
        else:
4170
c325c62cec8e crecord introduced junk...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4168
diff changeset
   406
            vocab = self.choices
c325c62cec8e crecord introduced junk...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4168
diff changeset
   407
        if vocab and not isinstance(vocab[0], (list, tuple)):
c325c62cec8e crecord introduced junk...
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4168
diff changeset
   408
            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
   409
        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
   410
            # 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
   411
            # 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
   412
            # 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
   413
            # weird strings display)
91c61feb5bc8 [forms] bw compat code for vocabulary function returning typed values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5816
diff changeset
   414
            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
   415
                     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
   416
        if self.sort:
3334
8d831c02da9a fix sort of fields vocabulary: should consider option groups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3308
diff changeset
   417
            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
   418
        # 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
   419
        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
   420
            # 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
   421
            # 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
   422
            value = option[1]
5955
67dfe437bf25 [form] take care to not unicodify None values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5916
diff changeset
   423
            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
   424
                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
   425
                     % 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
   426
                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
   427
                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
   428
                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
   429
        return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   430
6690
7d68948015ba [forms] remove some deprecation warnings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
   431
    # 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
   432
    # callback
7d68948015ba [forms] remove some deprecation warnings
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 6582
diff changeset
   433
    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
   434
        """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
   435
        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
   436
            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
   437
            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
   438
                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
   439
                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
   440
        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
   441
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 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
   443
        """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
   444
        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
   445
            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
   446
            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
   447
                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
   448
                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
   449
        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
   450
1307
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   451
    def form_init(self, form):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   452
        """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
   453
        initialization requiring the form instance. Do nothing by default.
1307
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   454
        """
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   455
        pass
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   456
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
   457
    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
   458
        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
   459
            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
   460
                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
   461
        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
   462
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
   463
    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
   464
        # 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
   465
        # 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
   466
        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
   467
            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
   468
        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
   469
            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
   470
                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
   471
            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
   472
                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
   473
                                         '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
   474
        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
   475
            # 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
   476
            # 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
   477
            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
   478
        # 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
   479
        # 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
   480
        #     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
   481
        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
   482
            # 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
   483
            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
   484
        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
   485
            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
   486
        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
   487
            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
   488
        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
   489
            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
   490
        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
   491
            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
   492
        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
   493
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
   494
    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
   495
        """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
   496
        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
   497
            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
   498
        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
   499
            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
   500
            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
   501
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
   502
    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
   503
        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
   504
        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
   505
        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
   506
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   507
    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
   508
        """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
   509
        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
   510
        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
   511
        """
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
   512
        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
   513
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
    def process_posted(self, form):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   515
        """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
   516
        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
   517
        """
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
   518
        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
   519
            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
   520
                try:
5038
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   521
                    value = field.process_form_value(form)
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   522
                    if value is None and field.required:
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   523
                        raise ProcessFormError(form._cw._("required field"))
90493551b1eb [form] fix validation error handling
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5030
diff changeset
   524
                    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
   525
                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
   526
                    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
   527
            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
   528
                # 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
   529
                # 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
   530
                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
   531
                    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
   532
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   533
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   534
class StringField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   535
    """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
   536
    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
   537
    the string (`None` meaning no limit).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   538
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   539
    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
   540
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   541
    * :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
   542
      using `choices` attribute
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   543
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   544
    * :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
   545
      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
   546
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   547
    * :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
   548
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   549
    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
   550
    size = 45
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   551
4168
9d83f9c80c1c nicer StringField __init__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4166
diff changeset
   552
    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
   553
        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
   554
        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
   555
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   556
    def init_widget(self, widget):
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   557
        if widget is None:
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   558
            if self.choices:
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   559
                widget = fw.Select()
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   560
            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
   561
                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
   562
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   563
        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
   564
        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
   565
            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
   566
        elif isinstance(self.widget, fw.TextInput):
2360
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   567
            self.init_text_input(self.widget)
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   568
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   569
    def init_text_input(self, widget):
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   570
        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
   571
            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
   572
            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
   573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   574
    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
   575
        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
   576
            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
   577
            widget.attrs.setdefault('rows', 5)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   578
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   579
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
class PasswordField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   581
    """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
   582
    string).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   583
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   584
    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
   585
    a :class:`~cubicweb.web.formwidgets.PasswordInput`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   586
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   587
    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
   588
    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
   589
        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
   590
            # 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
   591
            # 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
   592
            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
   593
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
   594
    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
   595
        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
   596
            # 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
   597
            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
   598
                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
   599
            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
   600
        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
   601
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
   602
1573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   603
class RichTextField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   604
    """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
   605
    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
   606
    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
   607
    one will be automaticall generated.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   608
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   609
    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
   610
    :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
   611
    :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
   612
    format and to user's preferences.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   613
    """
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   614
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   615
    widget = None
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   616
    def __init__(self, format_field=None, **kwargs):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   617
        super(RichTextField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   618
        self.format_field = format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   619
2348
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   620
    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
   621
        pass
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   622
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   623
    def get_widget(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   624
        if self.widget is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   625
            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
   626
                return fw.FCKEditor()
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   627
            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
   628
            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
   629
            return widget
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   630
        return self.widget
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   631
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   632
    def get_format_field(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   633
        if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   634
            return self.format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   635
        # 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
   636
        # context dictionnary
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   637
        req = form._cw
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   638
        try:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   639
            return req.data[self]
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   640
        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
   641
            fkwargs = {'eidparam': self.eidparam, 'role': self.role}
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   642
            if self.use_fckeditor(form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   643
                # 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
   644
                # 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
   645
                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
   646
                fkwargs['value'] = 'text/html'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   647
            else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   648
                # 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
   649
                fkwargs['widget'] = fw.Select()
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   650
                fcstr = FormatConstraint()
3347
428f95118556 fix vocab param to avoid deprecation warning
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3337
diff changeset
   651
                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
   652
                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
   653
                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
   654
            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
   655
            field = StringField(name=self.name + '_format', **fkwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   656
            req.data[self] = field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   657
            return field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   658
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   659
    def actual_fields(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   660
        yield self
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   661
        format_field = self.get_format_field(form)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   662
        if format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   663
            yield format_field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   664
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   665
    def use_fckeditor(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   666
        """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
   667
        `attr`, according to user preferences
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   668
        """
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   669
        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
   670
            return self.format(form) == 'text/html'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   671
        return False
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   672
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   673
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   674
        format_field = self.get_format_field(form)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   675
        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
   676
            # 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
   677
            if format_field.is_visible():
d38c2b01d766 don't set display: block on hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2362
diff changeset
   678
                format_field.widget.attrs['style'] = 'display: block'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   679
            result = format_field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   680
        else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   681
            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
   682
        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
   683
1417
06af20e663f2 remove spaces
sylvain.thenault@logilab.fr
parents: 1393
diff changeset
   684
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   685
class FileField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   686
    """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
   687
    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
   688
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   689
    * `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
   690
    * `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
   691
    * `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
   692
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   693
    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
   694
    :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
   695
    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
   696
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   697
    widget = fw.FileInput
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   698
    needs_multipart = True
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   699
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   700
    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
   701
                 **kwargs):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   702
        super(FileField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   703
        self.format_field = format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   704
        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
   705
        self.name_field = name_field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   706
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   707
    def actual_fields(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   708
        yield self
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   709
        if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   710
            yield self.format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   711
        if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   712
            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
   713
        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
   714
            yield self.name_field
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   715
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
   716
    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
   717
        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
   718
            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
   719
                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
   720
                    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
   721
                # 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
   722
                # 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
   723
                # * 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
   724
                # * 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
   725
                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
   726
            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
   727
        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
   728
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   729
    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
   730
        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
   731
        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
   732
            divid = '%s-advanced' % self.input_name(form)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   733
            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
   734
                        (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
   735
                         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
   736
                         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
   737
                         form._cw._('show advanced fields')))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   738
            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
   739
            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
   740
                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
   741
            if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   742
                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
   743
            if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   744
                wdgs.append(self.render_subfield(form, self.encoding_field, renderer))
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   745
            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
   746
        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
   747
            # 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
   748
            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
   749
            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
   750
                                   type=u'checkbox'))
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   751
            wdgs.append(form._cw._('detach attached file'))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   752
        return u'\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   753
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   754
    def render_subfield(self, form, field, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   755
        return (renderer.render_label(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   756
                + field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   757
                + renderer.render_help(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   758
                + u'<br/>')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   759
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
   760
    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
   761
        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
   762
        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
   763
            # 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
   764
            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
   765
        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
   766
            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
   767
        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
   768
            # 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
   769
            # 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
   770
            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
   771
        # 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
   772
        try:
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   773
            filename, stream = value
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   774
        except ValueError:
96fd339f7917 Handle new way of reporting unmodified FileFields
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5426
diff changeset
   775
            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
   776
        # 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
   777
        value = Binary(stream.read())
4273
183cd0df6f1a fix dumb name error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4272
diff changeset
   778
        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
   779
            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
   780
        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
   781
            # 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
   782
            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
   783
        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
   784
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   785
5367
4176a50c81c9 [form] small api cleanup and refactoring before documenting the form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5220
diff changeset
   786
# XXX turn into a widget
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   787
class EditableFileField(FileField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   788
    """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
   789
    :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
   790
    actually contains some text.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   791
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   792
    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
   793
    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
   794
    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
   795
    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
   796
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   797
    editable_formats = ('text/plain', 'text/html', 'text/rest')
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   798
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   799
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   800
        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
   801
        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
   802
            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
   803
            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
   804
                encoding = self.encoding(form)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   805
                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
   806
                    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
   807
                except UnicodeError:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   808
                    pass
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   809
                else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   810
                    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
   811
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   812
                            '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
   813
                            ', 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
   814
                            '"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
   815
                            'with the widget below.')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   816
                    else:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   817
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   818
                            '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
   819
                            ', 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
   820
                    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
   821
                    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
   822
                    # XXX restore form context?
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   823
        return '\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   824
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
   825
    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
   826
        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
   827
        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
   828
            # 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
   829
            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
   830
        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
   831
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   832
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   833
class IntField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   834
    """Use this field to edit integers (`Int` yams type). This field additionaly
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   835
    support `min` and `max` attributes that specify a minimum and/or maximum
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   836
    value for the integer (`None` meaning no boundary).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   837
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   838
    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
   839
    :class:`~cubicweb.web.formwidgets.TextInput`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   840
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   841
    def __init__(self, min=None, max=None, **kwargs):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   842
        super(IntField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   843
        self.min = min
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   844
        self.max = max
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   845
        if isinstance(self.widget, fw.TextInput):
1758
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   846
            self.widget.attrs.setdefault('size', 5)
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   847
            self.widget.attrs.setdefault('maxlength', 15)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   848
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   849
    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
   850
        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
   851
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   852
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   853
                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
   854
            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
   855
                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
   856
            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
   857
                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
   858
        return value
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   859
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   860
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   861
class BooleanField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   862
    """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
   863
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   864
    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
   865
    :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
   866
    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
   867
    """
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   868
    widget = fw.Radio
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   869
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
   870
    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
   871
        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
   872
        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
   873
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   874
    def vocabulary(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   875
        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
   876
            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
   877
        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
   878
            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
   879
                    (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
   880
                    (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
   881
        # 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
   882
        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
   883
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
   884
    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
   885
        """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
   886
        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
   887
            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
   888
                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
   889
            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
   890
                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
   891
        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
   892
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   893
    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
   894
        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
   895
            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
   896
                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
   897
            return None
4393
87e48fe398f1 systematically call bool on BooleanField values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4392
diff changeset
   898
        return bool(value)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   899
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   900
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   901
class FloatField(IntField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   902
    """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
   903
    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
   904
    :class:`~cubicweb.web.formfields.IntField`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   905
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   906
    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
   907
    :class:`~cubicweb.web.formwidgets.TextInput`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   908
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   909
    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
   910
        formatstr = req.property_value('ui.float-format')
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   911
        if value is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   912
            return u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   913
        return formatstr % float(value)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   914
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   915
    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
   916
        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
   917
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   918
    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
   919
        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
   920
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   921
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   922
                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
   923
            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
   924
                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
   925
            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
   926
                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
   927
        return None
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   928
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   929
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   930
class DateField(StringField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   931
    """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
   932
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   933
    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
   934
    :class:`~cubicweb.web.formwidgets.JQueryDatePicker`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   935
    """
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   936
    widget = fw.JQueryDatePicker
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   937
    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
   938
    etype = 'Date'
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   939
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   940
    def format_single_value(self, req, value):
4382
6fb02edd05da 3.6 api update, cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4377
diff changeset
   941
        if value:
4544
d92aa3221c30 split introduced in the wrong place
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4528
diff changeset
   942
            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
   943
        return u''
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   944
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   945
    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
   946
        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
   947
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   948
    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
   949
        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
   950
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   951
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   952
                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
   953
            try:
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   954
                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
   955
            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
   956
                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
   957
        return value
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   958
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   959
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   960
class DateTimeField(DateField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   961
    """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
   962
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   963
    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
   964
    :class:`~cubicweb.web.formwidgets.JQueryDateTimePicker`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   965
    """
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   966
    widget = fw.JQueryDateTimePicker
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   967
    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
   968
    etype = 'Datetime'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   969
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   970
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   971
class TimeField(DateField):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   972
    """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
   973
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   974
    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
   975
    :class:`~cubicweb.web.formwidgets.JQueryTimePicker`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   976
    """
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   977
    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
   978
    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
   979
    etype = 'Time'
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   980
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   981
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   982
# 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
   983
class CompoundField(Field):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   984
    """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
   985
    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
   986
    """
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   987
    def __init__(self, fields, *args, **kwargs):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   988
        super(CompoundField, self).__init__(*args, **kwargs)
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   989
        self.fields = fields
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   990
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   991
    def subfields(self, form):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   992
        return self.fields
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   993
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   994
    def actual_fields(self, form):
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
   995
        # 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
   996
        # 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
   997
        # 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
   998
        # 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
   999
        return list(self.fields)
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1000
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1001
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1002
# relation vocabulary helper functions #########################################
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1003
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1004
def relvoc_linkedto(entity, rtype, role):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1005
    # first see if its specified by __linkto form parameters
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1006
    linkedto = entity.linked_to(rtype, role)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1007
    if linkedto:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1008
        buildent = entity._cw.entity_from_eid
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
  1009
        return [(buildent(eid).view('combobox'), unicode(eid)) for eid in linkedto]
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1010
    return []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1011
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1012
def relvoc_init(entity, rtype, role, required=False):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1013
    # it isn't, check if the entity provides a method to get correct values
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1014
    vocab = []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1015
    if not required:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1016
        vocab.append(('', INTERNAL_FIELD_VALUE))
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1017
    # vocabulary doesn't include current values, add them
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1018
    if entity.has_eid():
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1019
        rset = entity.related(rtype, role)
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
  1020
        vocab += [(e.view('combobox'), unicode(e.eid)) for e in rset.entities()]
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1021
    return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
  1022
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1023
def relvoc_unrelated(entity, rtype, role, limit=None):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1024
    if isinstance(rtype, basestring):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1025
        rtype = entity._cw.vreg.schema.rschema(rtype)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1026
    if entity.has_eid():
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1027
        done = set(row[0] for row in entity.related(rtype, role))
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1028
    else:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1029
        done = None
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1030
    result = []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1031
    rsetsize = None
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1032
    for objtype in rtype.targets(entity.e_schema, role):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1033
        if limit is not None:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1034
            rsetsize = limit - len(result)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1035
        result += _relvoc_unrelated(entity, rtype, objtype, role, rsetsize, done)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1036
        if limit is not None and len(result) >= limit:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1037
            break
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1038
    return result
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1039
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1040
def _relvoc_unrelated(entity, rtype, targettype, role, limit, done):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1041
    """return unrelated entities for a given relation and target entity type
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1042
    for use in vocabulary
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1043
    """
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1044
    if done is None:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1045
        done = set()
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1046
    res = []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1047
    for entity in entity.unrelated(rtype, targettype, role, limit).entities():
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1048
        if entity.eid in done:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1049
            continue
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1050
        done.add(entity.eid)
5911
47216d37bb3d [form] vocab function must now return values as unicode
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5908
diff changeset
  1051
        res.append((entity.view('combobox'), unicode(entity.eid)))
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1052
    return res
2146
6645e18e8c93 edit[s|o] field's value should be formatted as the associated field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2095
diff changeset
  1053
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
  1054
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1055
class RelationField(Field):
5368
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1056
    """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
  1057
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1058
    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
  1059
    :class:`~cubicweb.web.formwidgets.Select`.
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1060
    """
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1061
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1062
    @staticmethod
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1063
    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
  1064
        kwargs.setdefault('widget', fw.Select(multiple=card in '*+'))
1738
2cfd50c8a415 should not override potential explicit widget
sylvain.thenault@logilab.fr
parents: 1709
diff changeset
  1065
        return RelationField(**kwargs)
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
  1066
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1067
    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
  1068
        """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
  1069
        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
  1070
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1071
        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
  1072
        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
  1073
        * 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
  1074
        * 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
  1075
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1108
diff changeset
  1076
        entity = form.edited_entity
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1077
        # 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
  1078
        if limit is 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
  1079
            linkedto = relvoc_linkedto(entity, self.name, self.role)
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1080
            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
  1081
                return 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
  1082
            vocab = relvoc_init(entity, self.name, self.role, self.required)
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
  1083
        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
  1084
            vocab = []
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1085
        # it isn't, check if the entity provides a method to get correct values
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1086
        method = '%s_%s_vocabulary' % (self.role, self.name)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1087
        try:
4269
da0d254f2eb0 remove deprecation warnings + name error
alex & cheb
parents: 4252
diff changeset
  1088
            vocab += getattr(form, method)(self.name, limit)
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1089
            warn('[3.6] found %s on %s, should override field.choices instead (need tweaks)'
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1090
                 % (method, form), DeprecationWarning)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1091
        except AttributeError:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
  1092
            vocab += relvoc_unrelated(entity, self.name, self.role, 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
  1093
        if self.sort:
3334
8d831c02da9a fix sort of fields vocabulary: should consider option groups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3308
diff changeset
  1094
            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
  1095
        return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
  1096
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
  1097
    def form_init(self, form):
4304
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1098
        #if not self.display_value(form):
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1099
        value = form.edited_entity.linked_to(self.name, self.role)
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1100
        if value:
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1101
            searchedvalues = ['%s:%s:%s' % (self.name, eid, self.role)
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1102
                              for eid in value]
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1103
            # remove associated __linkto hidden fields
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1104
            for field in form.root_form.fields_by_name('__linkto'):
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1105
                if field.value in searchedvalues:
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
  1106
                    form.root_form.remove_field(field)
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
  1107
            form.formvalues[(self, form)] = value
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
  1108
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1109
    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
  1110
        return unicode(value)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1111
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
  1112
    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
  1113
        """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
  1114
        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
  1115
            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
  1116
        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
  1117
            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
  1118
            # 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
  1119
            # 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
  1120
            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
  1121
                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
  1122
            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
  1123
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
  1124
    def _process_form_value(self, form):
4110
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
  1125
        """process posted form and return correctly typed value"""
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
  1126
        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
  1127
        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
  1128
        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
  1129
            values = ()
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1130
        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
  1131
            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
  1132
        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
  1133
        for eid in values:
4227
39f01be4a6c5 should skip INTERNAL_FIELD_VALUE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4226
diff changeset
  1134
            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
  1135
                continue
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
  1136
            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
  1137
            if typed_eid is None:
4226
67dd296f864d should use a set for pending fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4225
diff changeset
  1138
                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
  1139
                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
  1140
            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
  1141
        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
  1142
2523
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
  1143
5057
d1bd50ae0edd [form] consider autoform_field_kwargs for meta fields; allow required customization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5038
diff changeset
  1144
_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
  1145
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
  1146
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
  1147
    """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
  1148
    (`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
  1149
    (`role`).
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1150
d321e4b62a10 [book] start documenting the HTML form system
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 5367
diff changeset
  1151
    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
  1152
    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
  1153
    """
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1154
    fieldclass = None
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1155
    rdef = eschema.rdef(rschema, role)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1156
    if role == 'subject':
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1157
        targetschema = rdef.object
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3575
diff changeset
  1158
        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
  1159
            if rdef.get('internationalizable'):
2095
897732d3ee5a avoid overriding specified values when guessing field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2091
diff changeset
  1160
                kwargs.setdefault('internationalizable', True)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1161
    else:
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1162
        targetschema = rdef.subject
4044
3876c894e018 card referenced later
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4023
diff changeset
  1163
    card = rdef.role_cardinality(role)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1164
    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
  1165
    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
  1166
    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
  1167
    kwargs.setdefault('required', card in '1+')
3308
88f5f89d8d1b fix generated label for object relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3299
diff changeset
  1168
    if role == 'object':
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
  1169
        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
  1170
    else:
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
  1171
        kwargs.setdefault('label', (eschema.type, rschema.type))
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1172
    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
  1173
    if rschema.final:
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1174
        fieldclass = FIELDS[targetschema]
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1175
        if fieldclass is StringField:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1176
            if eschema.has_metadata(rschema, 'format'):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1177
                # use RichTextField instead of StringField if the attribute has
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1178
                # a "format" metadata. But getting information from constraints
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1179
                # may be useful anyway...
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1180
                for cstr in rdef.constraints:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1181
                    if isinstance(cstr, StaticVocabularyConstraint):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1182
                        raise Exception('rich text field with static vocabulary')
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1183
                return RichTextField(**kwargs)
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1184
            # init StringField parameters according to constraints
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1185
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1186
                if isinstance(cstr, StaticVocabularyConstraint):
1577
25b46db3cb81 should set field's choices
sylvain.thenault@logilab.fr
parents: 1574
diff changeset
  1187
                    kwargs.setdefault('choices', cstr.vocabulary)
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
  1188
                    break
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
  1189
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1190
                if isinstance(cstr, SizeConstraint) and cstr.max is not None:
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1191
                    kwargs['max_length'] = cstr.max
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
  1192
            return StringField(**kwargs)
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1193
        if fieldclass is FileField:
4160
3fbdeef9a610 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4159
diff changeset
  1194
            for metadata in KNOWN_METAATTRIBUTES:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1195
                metaschema = eschema.has_metadata(rschema, metadata)
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
  1196
                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
  1197
                    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
  1198
                    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
  1199
                                                                **metakwargs)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1200
        return fieldclass(**kwargs)
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
  1201
    return RelationField.fromcardinality(card, **kwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1202
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
  1203
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1204
FIELDS = {
7166
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1205
    'String' :  StringField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1206
    'Bytes':    FileField,
7166
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1207
    'Password': PasswordField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1208
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1209
    'Boolean':  BooleanField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1210
    'Int':      IntField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1211
    'Float':    FloatField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1212
    'Decimal':  StringField,
7166
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1213
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1214
    'Date':       DateField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1215
    'Datetime':   DateTimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1216
    'TZDatetime': DateTimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1217
    'Time':       TimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1218
    'TZTime':     TimeField,
dde161937d3e [time zone] support for TZDatetime and TZTime data type
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 7070
diff changeset
  1219
    # XXX implement 'Interval': TimeIntervalField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
  1220
    }