web/formfields.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 21 Dec 2009 18:43:16 +0100
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this bw compat doesn't work, drop it
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"""field classes for form construction
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:organization: Logilab
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:copyright: 2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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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 yams.constraints import (SizeConstraint, StaticVocabularyConstraint,
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                              FormatConstraint)
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from cubicweb.utils import ustrftime
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from cubicweb import tags, uilib
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from cubicweb.web import INTERNAL_FIELD_VALUE
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from cubicweb.web.formwidgets import (
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    HiddenInput, TextInput, FileInput, PasswordInput, TextArea, FCKEditor,
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    Radio, Select, DateTimePicker)
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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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class Field(object):
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    """field class is introduced to control what's displayed in forms. It makes
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    the link between something to edit and its display in the form. Actual
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    display is handled by a widget associated to the field.
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    Attributes
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    ----------
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    all the attributes described below have sensible default value which may be
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    overriden by value given to field's constructor.
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    :name:
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       name of the field (basestring), should be unique in a form.
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    :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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    :label:
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       label of the field (default to the same value as `name`).
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    :help:
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       help message about this field.
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    :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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    :required:
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       bool flag telling if the field is required or not.
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    :initial:
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       initial value, used when no value specified by other means.
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    :choices:
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       static vocabulary for this field. May be a list of values or a list of
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       (label, value) tuples if specified.
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    :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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    :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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    :eidparam:
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       bool flag telling if this field is linked to a specific entity
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    :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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    :fieldset:
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       optional fieldset to which this field belongs to
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    :order:
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       key used by automatic forms to sort fields
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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 = 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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    def __init__(self, name=None, id=None, label=None, help=None,
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                 widget=None, required=False, initial=None,
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                 choices=None, sort=True, internationalizable=False,
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                 eidparam=False, role='subject', fieldset=None, order=None):
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        self.name = name
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        self.id = id or name
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        self.label = label or name
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        self.help = help
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        self.required = required
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        self.initial = initial
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        self.choices = choices
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        self.sort = sort
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        self.internationalizable = internationalizable
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        self.eidparam = eidparam
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        self.role = role
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        self.fieldset = fieldset
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        self.init_widget(widget)
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        self.order = order
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        # ordering number for this field instance
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        self.creation_rank = Field.__creation_rank
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        Field.__creation_rank += 1
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    def __unicode__(self):
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        return u'<%s name=%r label=%r id=%r initial=%r visible=%r @%x>' % (
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            self.__class__.__name__, self.name, self.label,
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            self.id, self.initial, self.is_visible(), id(self))
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    def __repr__(self):
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        return self.__unicode__().encode('utf-8')
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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 = Select()
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        if isinstance(self.widget, type):
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            self.widget = self.widget()
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   133
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    def set_name(self, name):
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        """automatically set .id and .label when name is set"""
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        assert name
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        self.name = name
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        if not self.id:
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            self.id = name
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        if not self.label:
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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, HiddenInput)
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    def actual_fields(self, form):
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        """return actual fields composing this field in case of a compound
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        field, usually simply return 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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    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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    def example_format(self, req):
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        """return a sample string describing what can be given as input for this
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        field
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        """
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        return u''
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    def render(self, form, renderer):
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        """render this field, which is part of form, using the given form
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        renderer
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        """
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        widget = self.get_widget(form)
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        return widget.render(form, self, renderer)
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    def vocabulary(self, form):
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        """return vocabulary for this field. This method will be called by
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        widgets which desire it."""
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        if self.choices is not None:
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            if callable(self.choices):
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                try:
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                    vocab = self.choices(form=form)
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                except TypeError:
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                    warn('[3.3] vocabulary method (eg field.choices) should now take '
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                         'the form instance as argument', DeprecationWarning)
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                    vocab = self.choices(req=form._cw)
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            else:
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                vocab = self.choices
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            if vocab and not isinstance(vocab[0], (list, tuple)):
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                vocab = [(x, x) for x in vocab]
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        else:
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            vocab = form.form_field_vocabulary(self)
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        if self.internationalizable:
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            # the short-cirtcuit 'and' boolean operator is used here to permit
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            # a valid empty string in vocabulary without attempting to translate
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            # it by gettext (which can lead to weird strings display)
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   207
            vocab = [(label and form._cw._(label), value) for label, value in vocab]
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        if self.sort:
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   209
            vocab = vocab_sort(vocab)
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        return vocab
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   211
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   212
    def form_init(self, form):
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        """method called before by build_context to trigger potential field
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        initialization requiring the form instance
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        """
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        pass
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    def process_form_value(self, form):
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        """process posted form and return correctly typed value"""
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        widget = self.get_widget(form)
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        return widget.process_field_data(form, self)
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   222
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    def process_posted(self, form):
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        for field in self.actual_fields(form):
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            if field is self:
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                yield field.name, field.process_form_value(form)
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            else:
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                # recursive function: we might have compound fields
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                # of compound fields (of compound fields of ...)
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                for fieldname, value in field.process_posted(form):
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   231
                    yield fieldname, value
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1986
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class StringField(Field):
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    widget = TextArea
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    def __init__(self, max_length=None, **kwargs):
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        self.max_length = max_length # must be set before super call
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        super(StringField, self).__init__(**kwargs)
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    def init_widget(self, widget):
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        if widget is None:
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            if self.choices:
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                widget = Select()
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            elif self.max_length and self.max_length < 257:
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                widget = TextInput()
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        super(StringField, self).init_widget(widget)
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        if isinstance(self.widget, TextArea):
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            self.init_text_area(self.widget)
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        elif isinstance(self.widget, TextInput):
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            self.init_text_input(self.widget)
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    def init_text_input(self, widget):
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        if self.max_length:
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            widget.attrs.setdefault('size', min(45, self.max_length))
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            widget.attrs.setdefault('maxlength', self.max_length)
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    def init_text_area(self, widget):
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        if self.max_length < 513:
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            widget.attrs.setdefault('cols', 60)
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            widget.attrs.setdefault('rows', 5)
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class RichTextField(StringField):
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    widget = None
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    def __init__(self, format_field=None, **kwargs):
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        super(RichTextField, self).__init__(**kwargs)
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        self.format_field = format_field
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    def init_text_area(self, widget):
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        pass
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    def get_widget(self, form):
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        if self.widget is None:
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            if self.use_fckeditor(form):
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                return FCKEditor()
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            widget = TextArea()
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            self.init_text_area(widget)
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            return widget
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        return self.widget
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    def get_format_field(self, form):
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        if self.format_field:
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            return self.format_field
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        # we have to cache generated field since it's use as key in the
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        # context dictionnary
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        req = form._cw
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        try:
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            return req.data[self]
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        except KeyError:
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            fkwargs = {'eidparam': self.eidparam}
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            if self.use_fckeditor(form):
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                # if fckeditor is used and format field isn't explicitly
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                # deactivated, we want an hidden field for the format
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                fkwargs['widget'] = HiddenInput()
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                fkwargs['initial'] = 'text/html'
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            else:
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                # else we want a format selector
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                fkwargs['widget'] = Select()
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                fcstr = FormatConstraint()
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                fkwargs['choices'] = fcstr.vocabulary(form=form)
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                fkwargs['internationalizable'] = True
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                fkwargs['initial'] = lambda f: f.form_field_format(self)
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68953ecddd2b [forms] work-in-progress: let guess_field and RichTextField.get_format_field handle eidparam of meta fields
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   305
            fkwargs['eidparam'] = self.eidparam
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            field = StringField(name=self.name + '_format', **fkwargs)
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            req.data[self] = field
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            return field
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   309
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    def actual_fields(self, form):
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   311
        yield self
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        format_field = self.get_format_field(form)
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   313
        if format_field:
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            yield format_field
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    def use_fckeditor(self, form):
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   317
        """return True if fckeditor should be used to edit entity's attribute named
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   318
        `attr`, according to user preferences
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   319
        """
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        if form._cw.use_fckeditor():
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   321
            return form.form_field_format(self) == 'text/html'
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   322
        return False
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   323
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   324
    def render(self, form, renderer):
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   325
        format_field = self.get_format_field(form)
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   326
        if format_field:
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diff changeset
   327
            # XXX we want both fields to remain vertically aligned
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d38c2b01d766 don't set display: block on hidden input
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diff changeset
   328
            if format_field.is_visible():
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   329
                format_field.widget.attrs['style'] = 'display: block'
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   330
            result = format_field.render(form, renderer)
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   331
        else:
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   332
            result = u''
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562f5dcf2345 widget.render now takes the renderer as third argument (keeping minimal bw compat)
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parents: 2520
diff changeset
   333
        return result + self.get_widget(form).render(form, self, renderer)
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   334
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06af20e663f2 remove spaces
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diff changeset
   335
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class FileField(StringField):
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   337
    widget = FileInput
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   338
    needs_multipart = True
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   339
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35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
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   340
    def __init__(self, format_field=None, encoding_field=None, name_field=None,
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                 **kwargs):
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        super(FileField, self).__init__(**kwargs)
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        self.format_field = format_field
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   344
        self.encoding_field = encoding_field
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        self.name_field = name_field
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    def actual_fields(self, form):
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   348
        yield self
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   349
        if self.format_field:
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            yield self.format_field
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        if self.encoding_field:
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            yield self.encoding_field
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   353
        if self.name_field:
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   354
            yield self.name_field
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   356
    def render(self, form, renderer):
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562f5dcf2345 widget.render now takes the renderer as third argument (keeping minimal bw compat)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2520
diff changeset
   357
        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
   358
        if self.format_field or self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   359
            divid = '%s-advanced' % form.context[self]['name']
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   360
            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
   361
                        (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
   362
                         form._cw._('show advanced fields'),
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   363
                         xml_escape(form._cw.build_url('data/puce_down.png')),
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   364
                         form._cw._('show advanced fields')))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   365
            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
   366
            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
   367
                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
   368
            if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   369
                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
   370
            if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   371
                wdgs.append(self.render_subfield(form, self.encoding_field, renderer))
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   372
            wdgs.append(u'</div>')
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   373
        if not self.required and form.context[self]['value']:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   374
            # 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
   375
            wdgs.append(u'<br/>')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   376
            wdgs.append(tags.input(name=u'%s__detach' % form.context[self]['name'],
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   377
                                   type=u'checkbox'))
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   378
            wdgs.append(form._cw._('detach attached file'))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   379
        return u'\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   380
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   381
    def render_subfield(self, form, field, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   382
        return (renderer.render_label(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   383
                + field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   384
                + renderer.render_help(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   385
                + u'<br/>')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   386
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
   387
    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
   388
        posted = form._cw.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
   389
        value = posted.get(form.form_field_name(self))
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
   390
        formkey = form.form_field_name(self)
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
   391
        if ('%s__detach' % form.context[self]['name']) in posted:
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
   392
            # drop current file 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
   393
            value = None
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
   394
        # no need to check value when nor explicit detach nor new file
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
   395
        # submitted, since it will think the attribute is not modified
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
   396
        elif 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
   397
            filename, _, stream = 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
   398
            # value is a  3-uple (filename, mimetype, stream)
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
   399
            value = Binary(stream.read())
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
   400
            if not val.getvalue(): # usually an unexistant file
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
   401
                value = None
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
   402
            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
   403
                value.filename = filename
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
   404
        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
   405
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   406
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   407
class EditableFileField(FileField):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   408
    editable_formats = ('text/plain', 'text/html', 'text/rest')
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   409
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   410
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   411
        wdgs = [super(EditableFileField, self).render(form, renderer)]
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   412
        if form.form_field_format(self) in self.editable_formats:
1392
d6279efff7b3 refactor the way field value/display value are handled to avoid getting a 'display' value when expected a 'typed' value
sylvain.thenault@logilab.fr
parents: 1307
diff changeset
   413
            data = form.form_field_value(self, load_bytes=True)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   414
            if data:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   415
                encoding = form.form_field_encoding(self)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   416
                try:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   417
                    form.context[self]['value'] = unicode(data.getvalue(), encoding)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   418
                except UnicodeError:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   419
                    pass
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   420
                else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   421
                    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
   422
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   423
                            '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
   424
                            ', 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
   425
                            '"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
   426
                            'with the widget below.')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   427
                    else:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   428
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   429
                            '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
   430
                            ', 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
   431
                    wdgs.append(u'<p><b>%s</b></p>' % msg)
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
   432
                    wdgs.append(TextArea(setdomid=False).render(form, self, renderer))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   433
                    # XXX restore form context?
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   434
        return '\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   435
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
   436
    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
   437
        value = form._cw.form.get(form.form_field_name(self))
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
   438
        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
   439
            # file modified using a text widget
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
   440
            encoding = form.form_field_encoding(self)
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
   441
            return Binary(value.encode(encoding))
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
   442
        return super(EditableFileField, self).process_form_value(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
   443
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   444
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   445
class IntField(Field):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   446
    def __init__(self, min=None, max=None, **kwargs):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   447
        super(IntField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   448
        self.min = min
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   449
        self.max = max
1758
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   450
        if isinstance(self.widget, TextInput):
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   451
            self.widget.attrs.setdefault('size', 5)
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   452
            self.widget.attrs.setdefault('maxlength', 15)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   453
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
   454
    def process_form_value(self, 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
   455
        return int(Field.process_form_value(self, form))
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   456
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   457
class BooleanField(Field):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   458
    widget = Radio
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   459
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   460
    def vocabulary(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   461
        if self.choices:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   462
            return self.choices
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   463
        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
   464
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
   465
    def process_form_value(self, 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
   466
        return bool(Field.process_form_value(self, form))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   467
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   468
class FloatField(IntField):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   469
    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
   470
        formatstr = req.property_value('ui.float-format')
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   471
        if value is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   472
            return u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   473
        return formatstr % float(value)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   474
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   475
    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
   476
        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
   477
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
   478
    def process_form_value(self, 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
   479
        return float(Field.process_form_value(self, form))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   480
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   481
class DateField(StringField):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   482
    format_prop = 'ui.date-format'
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   483
    widget = DateTimePicker
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   484
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   485
    def format_single_value(self, req, value):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   486
        return value and ustrftime(value, req.property_value(self.format_prop)) or u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   487
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   488
    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
   489
        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
   490
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
   491
    def process_form_value(self, 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
   492
        # widget is supposed to return a date as a correctly formatted string
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
   493
        date = Field.process_form_value(self, 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
   494
        # but for some widgets, it might be simpler to return date objects
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
   495
        # directly, so handle that case :
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
   496
        if isinstance(date, basestring):
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
   497
            date = form.parse_date(wdgdate, 'Date')
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   498
        return date
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   499
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   500
class DateTimeField(DateField):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   501
    format_prop = 'ui.datetime-format'
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   502
3387
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   503
    def process_form_value(self, form):
a357d4147eee [forms] work-in-progress, big editcontroller refactoring: let fields/widgets process posted data
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3385
diff changeset
   504
        # widget is supposed to return a date as a correctly formatted string
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
   505
        date = Field.process_form_value(self, 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
   506
        # but for some widgets, it might be simpler to return date objects
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
   507
        # directly, so handle that case :
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
   508
        if isinstance(date, basestring):
4101
7fa86fa51229 [mq]: fix_typo_and_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4069
diff changeset
   509
            date = form.parse_datetime(date, 'Datetime')
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
   510
        return date
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   511
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   512
class TimeField(DateField):
2086
be76ce00a05e fix TimeField format_prop, use format_single_value directly in render_example
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1989
diff changeset
   513
    format_prop = 'ui.time-format'
1758
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   514
    widget = TextInput
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   515
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
   516
    def process_form_value(self, 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
   517
        # widget is supposed to return a date as a correctly formatted string
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
        time = Field.process_form_value(self, 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
        # but for some widgets, it might be simpler to return time objects
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
   520
        # directly, so handle that case :
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
   521
        if isinstance(time, basestring):
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
   522
            time = form.parse_time(wdgdate, 'Time')
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
   523
        return time
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   524
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   525
class RelationField(Field):
3246
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   526
    # XXX (syt): iirc, we originaly don't sort relation vocabulary since we want
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   527
    # to let entity.unrelated_rql control this, usually to get most recently
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   528
    # modified entities in the select box instead of by alphabetical order. Now,
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   529
    # we first use unrelated_rql to get the vocabulary, which may be limited
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   530
    # (hence we get the latest modified entities) and we can sort here for
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   531
    # better readability
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   532
    #
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   533
    # def __init__(self, **kwargs):
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   534
    #     kwargs.setdefault('sort', False)
9e4adca73a95 stop setting sort to false by default on relation field and explain why
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2726
diff changeset
   535
    #     super(RelationField, self).__init__(**kwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   536
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   537
    @staticmethod
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   538
    def fromcardinality(card, **kwargs):
1738
2cfd50c8a415 should not override potential explicit widget
sylvain.thenault@logilab.fr
parents: 1709
diff changeset
   539
        kwargs.setdefault('widget', Select(multiple=card in '*+'))
2cfd50c8a415 should not override potential explicit widget
sylvain.thenault@logilab.fr
parents: 1709
diff changeset
   540
        return RelationField(**kwargs)
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   541
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   542
    def vocabulary(self, form):
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1108
diff changeset
   543
        entity = form.edited_entity
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   544
        req = entity._cw
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   545
        # first see if its specified by __linkto form parameters
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   546
        linkedto = entity.linked_to(self.name, self.role)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   547
        if linkedto:
2680
66472d85d548 [R] use req.entity_from_eid
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2678
diff changeset
   548
            entities = (req.entity_from_eid(eid) for eid in linkedto)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   549
            return [(entity.view('combobox'), entity.eid) for entity in entities]
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   550
        # it isn't, check if the entity provides a method to get correct values
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   551
        res = []
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   552
        if not self.required:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   553
            res.append(('', INTERNAL_FIELD_VALUE))
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   554
        # vocabulary doesn't include current values, add them
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   555
        if entity.has_eid():
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   556
            rset = entity.related(self.name, self.role)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   557
            relatedvocab = [(e.view('combobox'), e.eid) for e in rset.entities()]
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   558
        else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   559
            relatedvocab = []
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
   560
        vocab = res + form.form_field_vocabulary(self) + relatedvocab
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
   561
        if self.sort:
3334
8d831c02da9a fix sort of fields vocabulary: should consider option groups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3308
diff changeset
   562
            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
   563
        return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   564
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   565
    def format_single_value(self, req, value):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   566
        return value
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   567
4110
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   568
    def process_form_value(self, form):
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   569
        """process posted form and return correctly typed value"""
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   570
        widget = self.get_widget(form)
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   571
        value = widget.process_field_data(form, self)
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   572
        if value is None:
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   573
            return ()
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   574
        elif not isinstance(value, list):
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   575
            return (value,)
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   576
        return value
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   577
2523
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   578
class CompoundField(Field):
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   579
    def __init__(self, fields, *args, **kwargs):
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   580
        super(CompoundField, self).__init__(*args, **kwargs)
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   581
        self.fields = fields
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   582
2549
3d8c62e5e2d4 [R forms] use a subfields(form) method to get a chance to adapt to context
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2523
diff changeset
   583
    def subfields(self, form):
3d8c62e5e2d4 [R forms] use a subfields(form) method to get a chance to adapt to context
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2523
diff changeset
   584
        return self.fields
2568
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2549
diff changeset
   585
2523
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   586
    def actual_fields(self, form):
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   587
        return [self] + list(self.fields)
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   588
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   589
1453
a9841184be7c guess_field now takes an entity schema as first argument, not an entity class
sylvain.thenault@logilab.fr
parents: 1437
diff changeset
   590
def guess_field(eschema, rschema, role='subject', skip_meta_attr=True, **kwargs):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   591
    """return the most adapated widget to edit the relation
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   592
    'subjschema rschema objschema' according to information found in the schema
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   593
    """
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   594
    fieldclass = None
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   595
    rdef = eschema.rdef(rschema, role)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   596
    if role == 'subject':
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   597
        targetschema = rdef.object
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3575
diff changeset
   598
        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
   599
            if rdef.get('internationalizable'):
2095
897732d3ee5a avoid overriding specified values when guessing field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2091
diff changeset
   600
                kwargs.setdefault('internationalizable', True)
1709
f7110f533d14 use yams.schema method for initial value
sylvain.thenault@logilab.fr
parents: 1706
diff changeset
   601
            def get_default(form, es=eschema, rs=rschema):
f7110f533d14 use yams.schema method for initial value
sylvain.thenault@logilab.fr
parents: 1706
diff changeset
   602
                return es.default(rs)
2095
897732d3ee5a avoid overriding specified values when guessing field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2091
diff changeset
   603
            kwargs.setdefault('initial', get_default)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   604
    else:
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   605
        targetschema = rdef.subject
4044
3876c894e018 card referenced later
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4023
diff changeset
   606
    card = rdef.role_cardinality(role)
3876c894e018 card referenced later
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4023
diff changeset
   607
    kwargs['required'] = card in '1+'
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   608
    kwargs['name'] = rschema.type
3308
88f5f89d8d1b fix generated label for object relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3299
diff changeset
   609
    if role == 'object':
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
   610
        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
   611
    else:
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
   612
        kwargs.setdefault('label', (eschema.type, rschema.type))
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
   613
    kwargs['eidparam'] = True
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   614
    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
   615
    if rschema.final:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   616
        if skip_meta_attr and rschema in eschema.meta_attributes():
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   617
            return None
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   618
        fieldclass = FIELDS[targetschema]
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   619
        if fieldclass is StringField:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   620
            if targetschema == 'Password':
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   621
                # special case for Password field: specific PasswordInput widget
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1108
diff changeset
   622
                kwargs.setdefault('widget', PasswordInput())
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1108
diff changeset
   623
                return StringField(**kwargs)
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   624
            if eschema.has_metadata(rschema, 'format'):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   625
                # use RichTextField instead of StringField if the attribute has
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   626
                # a "format" metadata. But getting information from constraints
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   627
                # may be useful anyway...
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   628
                for cstr in rdef.constraints:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   629
                    if isinstance(cstr, StaticVocabularyConstraint):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   630
                        raise Exception('rich text field with static vocabulary')
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   631
                return RichTextField(**kwargs)
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   632
            # init StringField parameters according to constraints
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   633
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   634
                if isinstance(cstr, StaticVocabularyConstraint):
1577
25b46db3cb81 should set field's choices
sylvain.thenault@logilab.fr
parents: 1574
diff changeset
   635
                    kwargs.setdefault('choices', cstr.vocabulary)
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   636
                    break
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   637
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   638
                if isinstance(cstr, SizeConstraint) and cstr.max is not None:
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   639
                    kwargs['max_length'] = cstr.max
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   640
            return StringField(**kwargs)
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   641
        if fieldclass is FileField:
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   642
            for metadata in ('format', 'encoding', 'name'):
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   643
                metaschema = eschema.has_metadata(rschema, metadata)
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   644
                if metaschema is not None:
1453
a9841184be7c guess_field now takes an entity schema as first argument, not an entity class
sylvain.thenault@logilab.fr
parents: 1437
diff changeset
   645
                    kwargs['%s_field' % metadata] = guess_field(eschema, metaschema,
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   646
                                                                skip_meta_attr=False)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   647
        return fieldclass(**kwargs)
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   648
    kwargs['role'] = role
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   649
    return RelationField.fromcardinality(card, **kwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   650
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   651
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   652
FIELDS = {
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   653
    'Boolean':  BooleanField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   654
    'Bytes':    FileField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   655
    'Date':     DateField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   656
    'Datetime': DateTimeField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   657
    'Int':      IntField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   658
    'Float':    FloatField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   659
    'Decimal':  StringField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   660
    'Password': StringField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   661
    'String' :  StringField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   662
    'Time':     TimeField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   663
    }