web/formfields.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Fri, 19 Feb 2010 10:04:24 +0100
branchstable
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child 4658 25de2eb0432b
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[workflow] finish refactoring introduced by 021035b9a7ab for 'go back' transition: * fix SubWorkflowTransition.destination() prototype (must now take an entity as argument) * fix the change state for to give the entity to the transition's destination() method * we need a new method to draw workflow since we've no entity to give and 'go back' transition usually go back to multiple states
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"""Fields are used to control what's displayed in forms. It makes the link
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between something to edit and its display in the form. Actual display is handled
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by a widget associated to the field.
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:organization: Logilab
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:copyright: 2009-2010 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 logilab.common.date import ustrftime
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from logilab.common.decorators import cached
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from yams.schema import KNOWN_METAATTRIBUTES
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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.web import INTERNAL_FIELD_VALUE, ProcessFormError, eid_param, \
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     formwidgets as fw
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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 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 = object()
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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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    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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    :value:
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       field's value, used when no value specified by other means. XXX explain
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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 = 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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   112
    fieldset = None
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diff changeset
   113
    order = None
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diff changeset
   114
    value = _MARKER
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   115
    fallback_on_none_attribute = False
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diff changeset
   116
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   117
    def __init__(self, name=None, label=_MARKER, widget=None, **kwargs):
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   118
        for key, val in kwargs.items():
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   119
            if key == 'initial':
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   120
                warn('[3.6] use value instead of initial', DeprecationWarning,
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   121
                     stacklevel=3)
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   122
                key = 'value'
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diff changeset
   123
            assert hasattr(self.__class__, key) and not key[0] == '_', key
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   124
            setattr(self, key, val)
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   125
        self.name = name
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   126
        if label is _MARKER:
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   127
            label = name or _MARKER
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   128
        self.label = label
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   129
        # has to be done after other attributes initialization
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   130
        self.init_widget(widget)
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   131
        # ordering number for this field instance
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   132
        self.creation_rank = Field.__creation_rank
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   133
        Field.__creation_rank += 1
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   134
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   135
    def __unicode__(self):
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   136
        return u'<%s name=%r eidparam=%s role=%r id=%r value=%r visible=%r @%x>' % (
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   137
            self.__class__.__name__, self.name, self.eidparam, self.role,
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
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   138
            self.id, self.value, self.is_visible(), id(self))
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   139
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   140
    def __repr__(self):
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   141
        return self.__unicode__().encode('utf-8')
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   142
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   143
    def init_widget(self, widget):
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   144
        if widget is not None:
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diff changeset
   145
            self.widget = widget
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a7ea618e5478 don't set select widget when a vocabulary widget is already specified on the field class
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parents: 2086
diff changeset
   146
        elif self.choices and not self.widget.vocabulary_widget:
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diff changeset
   147
            self.widget = fw.Select()
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diff changeset
   148
        if isinstance(self.widget, type):
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   149
            self.widget = self.widget()
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diff changeset
   150
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   151
    def set_name(self, name):
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   152
        """automatically set .label when name is set"""
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   153
        assert name
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   154
        self.name = name
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diff changeset
   155
        if self.label is _MARKER:
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   156
            self.label = name
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   157
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   158
    def is_visible(self):
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diff changeset
   159
        """return true if the field is not an hidden field"""
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   160
        return not isinstance(self.widget, fw.HiddenInput)
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   161
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   162
    def actual_fields(self, form):
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   163
        """return actual fields composing this field in case of a compound
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   164
        field, usually simply return self
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   165
        """
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   166
        yield self
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   167
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   168
    def format_value(self, req, value):
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   169
        """return value suitable for display where value may be a list or tuple
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   170
        of values
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   171
        """
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   172
        if isinstance(value, (list, tuple)):
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   173
            return [self.format_single_value(req, val) for val in value]
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   174
        return self.format_single_value(req, value)
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   175
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   176
    def format_single_value(self, req, value):
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   177
        """return value suitable for display"""
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   178
        if value is None or value is False:
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   179
            return u''
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   180
        if value is True:
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   181
            return u'1'
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   182
        return unicode(value)
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   183
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   184
    def get_widget(self, form):
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   185
        """return the widget instance associated to this field"""
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   186
        return self.widget
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   187
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parents: 4110
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   188
    # cached is necessary else we get some pb on entity creation : entity.eid is
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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parents: 4110
diff changeset
   189
    # modified from creation mark (eg 'X') to its actual eid (eg 123), and then
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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parents: 4110
diff changeset
   190
    # `field.input_name()` won't return the right key anymore if not cached
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parents: 4110
diff changeset
   191
    # (first call to input_name done *before* eventual eid affectation).
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parents: 4110
diff changeset
   192
    @cached
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   193
    def input_name(self, form, suffix=None):
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
   194
        """return 'qualified name' for this field"""
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diff changeset
   195
        name = self.role_name()
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diff changeset
   196
        if suffix is not None:
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   197
            name += suffix
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diff changeset
   198
        if self.eidparam:
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diff changeset
   199
            return eid_param(name, form.edited_entity.eid)
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   200
        return name
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   201
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parents: 4110
diff changeset
   202
    def role_name(self):
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diff changeset
   203
        """return <field.name>-<field.role> if role is specified, else field.name"""
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diff changeset
   204
        if self.role is not None:
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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   205
            return '%s-%s' % (self.name, self.role)
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diff changeset
   206
        return self.name
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diff changeset
   207
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   208
    def dom_id(self, form, suffix=None):
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diff changeset
   209
        """return an html dom identifier for this field"""
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   210
        id = self.id or self.role_name()
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diff changeset
   211
        if suffix is not None:
35e814dce815 dom_id now accepts a suffix argument as input_name
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diff changeset
   212
            id += suffix
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diff changeset
   213
        if self.eidparam:
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   214
            return eid_param(id, form.edited_entity.eid)
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diff changeset
   215
        return id
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diff changeset
   216
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diff changeset
   217
    def typed_value(self, form, load_bytes=False):
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        if self.eidparam and self.role is not None:
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            entity = form.edited_entity
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            if form._cw.vreg.schema.rschema(self.name).final:
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                if entity.has_eid() or self.name in entity:
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   222
                    value = getattr(entity, self.name)
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   223
                    if value is not None or not self.fallback_on_none_attribute:
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   224
                        return value
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   225
            elif entity.has_eid() or entity.relation_cached(self.name, self.role):
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                value = [r[0] for r in entity.related(self.name, self.role)]
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                if value or not self.fallback_on_none_attribute:
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   228
                    return value
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   229
        return self.initial_typed_value(form, load_bytes)
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   230
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   231
    def initial_typed_value(self, form, load_bytes):
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        if self.value is not _MARKER:
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            if callable(self.value):
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                return self.value(form)
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   235
            return self.value
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   236
        formattr = '%s_%s_default' % (self.role, self.name)
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   237
        if hasattr(form, formattr):
6b2b20c73d59 refactor form field value handling, to get a nicer api and an easier algorithm to get field's value
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   238
            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
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diff changeset
   239
                form.__class__.__name__, formattr), DeprecationWarning)
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   240
            return getattr(form, formattr)()
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diff changeset
   241
        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
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diff changeset
   242
            if form._cw.vreg.schema.rschema(self.name).final:
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   243
                return form.edited_entity.e_schema.default(self.name)
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   244
            return ()
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   245
        return None
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   246
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   247
    def example_format(self, req):
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   248
        """return a sample string describing what can be given as input for this
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   249
        field
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   250
        """
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   251
        return u''
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   253
    def render(self, form, renderer):
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   254
        """render this field, which is part of form, using the given form
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   255
        renderer
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   256
        """
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562f5dcf2345 widget.render now takes the renderer as third argument (keeping minimal bw compat)
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diff changeset
   257
        widget = self.get_widget(form)
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4d95109582c7 [web] remove widget.render backward compatibility
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parents: 3790
diff changeset
   258
        return widget.render(form, self, renderer)
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parents:
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   259
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diff changeset
   260
    def vocabulary(self, form, **kwargs):
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   261
        """return vocabulary for this field. This method will be called by
4161
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parents: 4160
diff changeset
   262
        widgets which requires a vocabulary.
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diff changeset
   263
        """
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diff changeset
   264
        assert self.choices is not None
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diff changeset
   265
        if callable(self.choices):
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diff changeset
   266
            try:
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parents: 4304
diff changeset
   267
                if getattr(self.choices, 'im_self', None) is self:
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
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diff changeset
   268
                    vocab = self.choices(form=form, **kwargs)
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diff changeset
   269
                else:
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diff changeset
   270
                    vocab = self.choices(form=form, field=self, **kwargs)
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diff changeset
   271
            except TypeError:
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diff changeset
   272
                try:
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diff changeset
   273
                    vocab = self.choices(form=form, **kwargs)
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4f741341d96f avoid to see the same warning twice, one for 3.6 another for 3.3
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diff changeset
   274
                    warn('[3.6]  %s: choices should now take '
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   275
                         'the form and field as named arguments' % self,
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   276
                         DeprecationWarning)
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diff changeset
   277
                except TypeError:
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   278
                    warn('[3.3]  %s: choices should now take '
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cf8842b69379 [forms] fix backward compat for field.choices arguments
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parents: 4382
diff changeset
   279
                         'the form and field as named arguments' % self,
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diff changeset
   280
                         DeprecationWarning)
4388
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
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diff changeset
   281
                    vocab = self.choices(req=form._cw, **kwargs)
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   282
        else:
4170
c325c62cec8e crecord introduced junk...
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parents: 4168
diff changeset
   283
            vocab = self.choices
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parents: 4168
diff changeset
   284
        if vocab and not isinstance(vocab[0], (list, tuple)):
c325c62cec8e crecord introduced junk...
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diff changeset
   285
            vocab = [(x, x) for x in vocab]
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diff changeset
   286
        if self.internationalizable:
3790
34fdb8fb49d1 [B] web: weird display with internationalizable (Closes: #503071)
Julien Jehannet <julien.jehannet@logilab.fr>
parents: 3689
diff changeset
   287
            # the short-cirtcuit 'and' boolean operator is used here to permit
34fdb8fb49d1 [B] web: weird display with internationalizable (Closes: #503071)
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parents: 3689
diff changeset
   288
            # a valid empty string in vocabulary without attempting to translate
34fdb8fb49d1 [B] web: weird display with internationalizable (Closes: #503071)
Julien Jehannet <julien.jehannet@logilab.fr>
parents: 3689
diff changeset
   289
            # it by gettext (which can lead to weird strings display)
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d7a270f50f54 backport stable branch (one more time painfully)
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parents: 3720 3874
diff changeset
   290
            vocab = [(label and form._cw._(label), value) for label, value in vocab]
1265
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diff changeset
   291
        if self.sort:
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8d831c02da9a fix sort of fields vocabulary: should consider option groups
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parents: 3308
diff changeset
   292
            vocab = vocab_sort(vocab)
1265
e5cdd5c0dce3 handle sort/internationalizable on Field base class + fix guess_field to deal with internationalizable and default values
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diff changeset
   293
        return vocab
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parents: 1417
diff changeset
   294
4162
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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parents: 4161
diff changeset
   295
    def format(self, form):
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   296
        """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
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parents: 4161
diff changeset
   297
        if self.eidparam and self.role == 'subject':
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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parents: 4161
diff changeset
   298
            entity = form.edited_entity
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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parents: 4161
diff changeset
   299
            if entity.e_schema.has_metadata(self.name, 'format') and (
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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parents: 4161
diff changeset
   300
                entity.has_eid() or '%s_format' % self.name in entity):
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   301
                return form.edited_entity.attr_metadata(self.name, 'format')
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   302
        return form._cw.property_value('ui.default-text-format')
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diff changeset
   303
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   304
    def encoding(self, form):
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   305
        """return encoding used for the given (text) field"""
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diff changeset
   306
        if self.eidparam:
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   307
            entity = form.edited_entity
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parents: 4161
diff changeset
   308
            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
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parents: 4161
diff changeset
   309
                entity.has_eid() or '%s_encoding' % self.name in entity):
d2663bcf5306 replace form_field_[encoding|vocabulary] methods on form by encoding|vocabylary(form) methods on fields
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diff changeset
   310
                return form.edited_entity.attr_metadata(self.name, 'encoding')
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diff changeset
   311
        return form._cw.encoding
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diff changeset
   312
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   313
    def form_init(self, form):
3510
bf746bf4a394 rename form_build_context to build_context, and call it from form, not renderer
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parents: 3496
diff changeset
   314
        """method called before by build_context to trigger potential field
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   315
        initialization requiring the form instance
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diff changeset
   316
        """
8c3336c5ddba new form_init callback
sylvain.thenault@logilab.fr
parents: 1306
diff changeset
   317
        pass
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   318
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
   319
    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
   320
        # 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
   321
        # 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
   322
        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
   323
            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
   324
        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
   325
            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
   326
                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
   327
            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
   328
                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
   329
                                         '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
   330
        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
   331
            # 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
   332
            # 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
   333
            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
   334
        # if it's a non final relation, we need the eids
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
   335
        if isinstance(previous_value, tuple):
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
   336
            # widget should return a set of untyped eids
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
   337
            previous_value = set(unicode(e.eid) for e in previous_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
   338
        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
   339
            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
   340
        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
   341
            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
   342
        except UnmodifiedField:
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
   343
            return False
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
   344
        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
   345
            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
   346
        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
   347
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
   348
    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
   349
        """process posted form and return correctly typed value"""
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
   350
        try:
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
   351
            return form.formvalues[self]
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
   352
        except KeyError:
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
   353
            value = form.formvalues[self] = self._process_form_value(form)
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
   354
            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
   355
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
   356
    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
   357
        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
   358
        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
   359
        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
   360
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   361
    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
   362
        """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
   363
        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
   364
        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
   365
        """
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
   366
        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
   367
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
   368
    def process_posted(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
   369
        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
   370
            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
   371
                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
   372
                    yield field, field.process_form_value(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
   373
                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
   374
                    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
   375
            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
   376
                # 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
   377
                # 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
   378
                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
   379
                    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
   380
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   381
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   382
class StringField(Field):
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   383
    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
   384
    size = 45
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   385
4168
9d83f9c80c1c nicer StringField __init__
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4166
diff changeset
   386
    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
   387
        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
   388
        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
   389
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   390
    def init_widget(self, widget):
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   391
        if widget is None:
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   392
            if self.choices:
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   393
                widget = fw.Select()
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   394
            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
   395
                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
   396
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   397
        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
   398
        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
   399
            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
   400
        elif isinstance(self.widget, fw.TextInput):
2360
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   401
            self.init_text_input(self.widget)
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   402
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   403
    def init_text_input(self, widget):
1d43aa551ba9 [formwidgets,formfields] hum, this way
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2356
diff changeset
   404
        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
   405
            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
   406
            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
   407
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   408
    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
   409
        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
   410
            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
   411
            widget.attrs.setdefault('rows', 5)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   412
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   413
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
   414
class PasswordField(StringField):
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   415
    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
   416
    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
   417
        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
   418
            # 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
   419
            # 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
   420
            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
   421
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
   422
    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
   423
        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
   424
            # 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
   425
            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
   426
                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
   427
            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
   428
        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
   429
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
   430
1573
d34589d35daa drop TextField, this is simply a StringField with a text area widget
sylvain.thenault@logilab.fr
parents: 1564
diff changeset
   431
class RichTextField(StringField):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   432
    widget = None
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   433
    def __init__(self, format_field=None, **kwargs):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   434
        super(RichTextField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   435
        self.format_field = format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   436
2348
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   437
    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
   438
        pass
acf4b6a59558 [formwidgets] ensure textarea for richstring has not ridicuously small size (close #344547)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2347
diff changeset
   439
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   440
    def get_widget(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   441
        if self.widget is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   442
            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
   443
                return fw.FCKEditor()
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   444
            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
   445
            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
   446
            return widget
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   447
        return self.widget
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   448
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   449
    def get_format_field(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   450
        if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   451
            return self.format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   452
        # 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
   453
        # context dictionnary
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   454
        req = form._cw
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   455
        try:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   456
            return req.data[self]
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   457
        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
   458
            fkwargs = {'eidparam': self.eidparam, 'role': self.role}
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   459
            if self.use_fckeditor(form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   460
                # 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
   461
                # 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
   462
                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
   463
                fkwargs['value'] = 'text/html'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   464
            else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   465
                # 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
   466
                fkwargs['widget'] = fw.Select()
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   467
                fcstr = FormatConstraint()
3347
428f95118556 fix vocab param to avoid deprecation warning
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3337
diff changeset
   468
                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
   469
                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
   470
                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
   471
            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
   472
            field = StringField(name=self.name + '_format', **fkwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   473
            req.data[self] = field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   474
            return field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   475
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   476
    def actual_fields(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   477
        yield self
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   478
        format_field = self.get_format_field(form)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   479
        if format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   480
            yield format_field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   481
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   482
    def use_fckeditor(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   483
        """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
   484
        `attr`, according to user preferences
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   485
        """
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   486
        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
   487
            return self.format(form) == 'text/html'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   488
        return False
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   489
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   490
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   491
        format_field = self.get_format_field(form)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   492
        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
   493
            # 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
   494
            if format_field.is_visible():
d38c2b01d766 don't set display: block on hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2362
diff changeset
   495
                format_field.widget.attrs['style'] = 'display: block'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   496
            result = format_field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   497
        else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   498
            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
   499
        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
   500
1417
06af20e663f2 remove spaces
sylvain.thenault@logilab.fr
parents: 1393
diff changeset
   501
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   502
class FileField(StringField):
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   503
    widget = fw.FileInput
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   504
    needs_multipart = True
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   505
3496
35a67ac6efe8 support name metadata on guess_field; add name_field to FileField
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3347
diff changeset
   506
    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
   507
                 **kwargs):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   508
        super(FileField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   509
        self.format_field = format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   510
        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
   511
        self.name_field = name_field
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   512
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   513
    def actual_fields(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   514
        yield self
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   515
        if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   516
            yield self.format_field
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   517
        if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   518
            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
   519
        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
   520
            yield self.name_field
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   521
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
   522
    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
   523
        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
   524
            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
   525
                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
   526
                    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
   527
                # 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
   528
                # 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
   529
                # * 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
   530
                # * 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
   531
                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
   532
            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
   533
        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
   534
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   535
    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
   536
        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
   537
        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
   538
            divid = '%s-advanced' % self.input_name(form)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   539
            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
   540
                        (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
   541
                         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
   542
                         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
   543
                         form._cw._('show advanced fields')))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   544
            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
   545
            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
   546
                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
   547
            if self.format_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   548
                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
   549
            if self.encoding_field:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   550
                wdgs.append(self.render_subfield(form, self.encoding_field, renderer))
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   551
            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
   552
        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
   553
            # 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
   554
            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
   555
            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
   556
                                   type=u'checkbox'))
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   557
            wdgs.append(form._cw._('detach attached file'))
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   558
        return u'\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   559
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   560
    def render_subfield(self, form, field, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   561
        return (renderer.render_label(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   562
                + field.render(form, renderer)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   563
                + renderer.render_help(form, field)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   564
                + u'<br/>')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   565
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
   566
    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
   567
        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
   568
        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
   569
            # 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
   570
            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
   571
        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
   572
            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
   573
        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
   574
            # 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
   575
            # 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
   576
            raise 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
   577
        # skip browser submitted mime type
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   578
        filename, _, stream = value
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   579
        # value is a  3-uple (filename, mimetype, stream)
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   580
        value = Binary(stream.read())
4273
183cd0df6f1a fix dumb name error
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4272
diff changeset
   581
        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
   582
            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
   583
        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
   584
            # set filename on the Binary instance, may be used later in hooks
3c6569be1f86 fix pb with bytes field processing: currently when an existing file is edited
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4241
diff changeset
   585
            value.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
   586
        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
   587
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   588
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   589
class EditableFileField(FileField):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   590
    editable_formats = ('text/plain', 'text/html', 'text/rest')
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   591
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   592
    def render(self, form, renderer):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   593
        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
   594
        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
   595
            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
   596
            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
   597
                encoding = self.encoding(form)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   598
                try:
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
   599
                    form.formvalues[self] = unicode(data.getvalue(), encoding)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   600
                except UnicodeError:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   601
                    pass
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   602
                else:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   603
                    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
   604
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   605
                            '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
   606
                            ', 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
   607
                            '"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
   608
                            'with the widget below.')
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   609
                    else:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   610
                        msg = form._cw._(
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   611
                            '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
   612
                            ', 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
   613
                    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
   614
                    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
   615
                    # XXX restore form context?
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   616
        return '\n'.join(wdgs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   617
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
   618
    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
   619
        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
   620
        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
   621
            # 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
   622
            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
   623
        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
   624
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   625
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   626
class IntField(Field):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   627
    def __init__(self, min=None, max=None, **kwargs):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   628
        super(IntField, self).__init__(**kwargs)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   629
        self.min = min
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   630
        self.max = max
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   631
        if isinstance(self.widget, fw.TextInput):
1758
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   632
            self.widget.attrs.setdefault('size', 5)
d46f59e5efd3 some widget adjustments
sylvain.thenault@logilab.fr
parents: 1738
diff changeset
   633
            self.widget.attrs.setdefault('maxlength', 15)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   634
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   635
    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
   636
        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
   637
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   638
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   639
                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
   640
            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
   641
                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
   642
            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
   643
                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
   644
        return value
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   645
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   646
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   647
class BooleanField(Field):
4368
d752ad901f14 cleanup module namespace but only importing the formwidgets module
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4359
diff changeset
   648
    widget = fw.Radio
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   649
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   650
    def vocabulary(self, form):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   651
        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
   652
            return super(BooleanField, self).vocabulary(form)
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3388
diff changeset
   653
        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
   654
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   655
    def _ensure_correctly_typed(self, form, value):
4393
87e48fe398f1 systematically call bool on BooleanField values
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4392
diff changeset
   656
        return bool(value)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   657
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   658
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   659
class FloatField(IntField):
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   660
    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
   661
        formatstr = req.property_value('ui.float-format')
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   662
        if value is None:
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   663
            return u''
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   664
        return formatstr % float(value)
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   665
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   666
    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
   667
        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
   668
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   669
    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
   670
        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
   671
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   672
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   673
                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
   674
            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
   675
                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
   676
            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
   677
                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
   678
        return None
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   679
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   680
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   681
class DateField(StringField):
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   682
    widget = fw.JQueryDatePicker
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   683
    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
   684
    etype = 'Date'
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   685
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   686
    def format_single_value(self, req, value):
4382
6fb02edd05da 3.6 api update, cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4377
diff changeset
   687
        if value:
4544
d92aa3221c30 split introduced in the wrong place
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4528
diff changeset
   688
            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
   689
        return u''
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   690
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   691
    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
   692
        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
   693
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   694
    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
   695
        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
   696
            value = value.strip()
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   697
            if not value:
a51f37efc882 quick fix for typed formfield validation: accept empty string, split
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4499
diff changeset
   698
                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
   699
            try:
4370
75c610a85949 introduce new _ensure_correctly_typed method on fields, responsible
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4369
diff changeset
   700
                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
   701
            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
   702
                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
   703
        return value
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   704
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   705
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   706
class DateTimeField(DateField):
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   707
    widget = fw.JQueryDateTimePicker
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   708
    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
   709
    etype = 'Datetime'
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   710
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   711
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   712
class TimeField(DateField):
4374
ff3efacfea42 by default use new jquery widgets for Time/Date/DateTime fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4370
diff changeset
   713
    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
   714
    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
   715
    etype = 'Time'
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   716
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   717
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   718
# relation vocabulary helper functions #########################################
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   719
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   720
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
   721
    # 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
   722
    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
   723
    if linkedto:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   724
        buildent = entity._cw.entity_from_eid
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   725
        return [(buildent(eid).view('combobox'), eid) for eid in linkedto]
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   726
    return []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   727
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   728
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
   729
    # 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
   730
    vocab = []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   731
    if not required:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   732
        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
   733
    # 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
   734
    if entity.has_eid():
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   735
        rset = entity.related(rtype, role)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   736
        vocab += [(e.view('combobox'), e.eid) for e in rset.entities()]
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   737
    return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   738
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   739
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
   740
    if isinstance(rtype, basestring):
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   741
        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
   742
    if entity.has_eid():
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   743
        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
   744
    else:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   745
        done = None
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   746
    result = []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   747
    rsetsize = None
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   748
    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
   749
        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
   750
            rsetsize = limit - len(result)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   751
        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
   752
        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
   753
            break
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   754
    return result
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   755
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   756
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
   757
    """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
   758
    for use in vocabulary
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   759
    """
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   760
    if done is None:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   761
        done = set()
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   762
    res = []
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   763
    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
   764
        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
   765
            continue
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   766
        done.add(entity.eid)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   767
        res.append((entity.view('combobox'), entity.eid))
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   768
    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
   769
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   770
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   771
class RelationField(Field):
4395
e50b71c0dd87 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4393
diff changeset
   772
    """the relation field to edit non final relations of an entity"""
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   773
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   774
    @staticmethod
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   775
    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
   776
        kwargs.setdefault('widget', fw.Select(multiple=card in '*+'))
1738
2cfd50c8a415 should not override potential explicit widget
sylvain.thenault@logilab.fr
parents: 1709
diff changeset
   777
        return RelationField(**kwargs)
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   778
4161
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   779
    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
   780
        """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
   781
        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
   782
15c6607c4bda [forms] propagate aguments given to .vocabulary to .choices if it's a callable.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4386
diff changeset
   783
        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
   784
        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
   785
        * 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
   786
        * 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
   787
        """
1147
402e8a8b1d6a more form works
sylvain.thenault@logilab.fr
parents: 1108
diff changeset
   788
        entity = form.edited_entity
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   789
        # 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
   790
        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
   791
            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
   792
            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
   793
                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
   794
            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
   795
        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
   796
            vocab = []
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   797
        # 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
   798
        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
   799
        try:
4269
da0d254f2eb0 remove deprecation warnings + name error
alex & cheb
parents: 4252
diff changeset
   800
            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
   801
            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
   802
                 % (method, form), DeprecationWarning)
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   803
        except AttributeError:
4273f5094651 refactor vocabulary handling to avoid having to define methods
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4160
diff changeset
   804
            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
   805
        if self.sort:
3334
8d831c02da9a fix sort of fields vocabulary: should consider option groups
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3308
diff changeset
   806
            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
   807
        return vocab
1437
ea75dfe32317 delete-trailing-whitespaces
sylvain.thenault@logilab.fr
parents: 1417
diff changeset
   808
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
   809
    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
   810
        #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
   811
        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
   812
        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
   813
            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
   814
                              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
   815
            # 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
   816
            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
   817
                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
   818
                    form.root_form.remove_field(field)
0b53e850cdb5 refactor field's value retreiving from the widget (eg 'display value' concept):
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4303
diff changeset
   819
            form.formvalues[self] = 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
   820
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   821
    def format_single_value(self, req, value):
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   822
        return value
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   823
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
   824
    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
   825
        """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
   826
        try:
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
   827
            return form.formvalues[self]
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
   828
        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
   829
            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
   830
            # 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
   831
            # 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
   832
            if value is not None:
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
   833
                form.formvalues[self] = 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
   834
            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
   835
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
   836
    def _process_form_value(self, form):
4110
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   837
        """process posted form and return correctly typed value"""
8728d8c95985 [mq]: fix_for_forms
Arthur Lutz <arthur.lutz@logilab.fr>
parents: 4101
diff changeset
   838
        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
   839
        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
   840
        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
   841
            values = ()
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
   842
        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
   843
            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
   844
        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
   845
        for eid in values:
4227
39f01be4a6c5 should skip INTERNAL_FIELD_VALUE
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4226
diff changeset
   846
            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
   847
                continue
f1b9f0ed1253 make new editcontroller works, based on a _cw_edited_fields hidden input
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4170
diff changeset
   848
            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
   849
            if typed_eid is None:
4226
67dd296f864d should use a set for pending fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4225
diff changeset
   850
                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
   851
                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
   852
            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
   853
        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
   854
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   855
2523
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   856
class CompoundField(Field):
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   857
    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
   858
        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
   859
        self.fields = fields
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   860
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
   861
    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
   862
        return self.fields
2568
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2549
diff changeset
   863
2523
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   864
    def actual_fields(self, form):
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   865
        return [self] + list(self.fields)
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   866
1d245fbbeb90 some new field/widgets classes: CompoundField, IntervalWidget, HorizontalLayoutWidget
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2522
diff changeset
   867
1453
a9841184be7c guess_field now takes an entity schema as first argument, not an entity class
sylvain.thenault@logilab.fr
parents: 1437
diff changeset
   868
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
   869
    """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
   870
    '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
   871
    """
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   872
    fieldclass = None
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   873
    rdef = eschema.rdef(rschema, role)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   874
    if role == 'subject':
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   875
        targetschema = rdef.object
3689
deb13e88e037 follow yams 0.25 api changes to improve performance
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3575
diff changeset
   876
        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
   877
            if rdef.get('internationalizable'):
2095
897732d3ee5a avoid overriding specified values when guessing field
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2091
diff changeset
   878
                kwargs.setdefault('internationalizable', True)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   879
    else:
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   880
        targetschema = rdef.subject
4044
3876c894e018 card referenced later
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4023
diff changeset
   881
    card = rdef.role_cardinality(role)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   882
    kwargs['required'] = card in '1+'
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   883
    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
   884
    kwargs['role'] = role
3308
88f5f89d8d1b fix generated label for object relation
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3299
diff changeset
   885
    if role == 'object':
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
   886
        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
   887
    else:
3574
f179ccbd13e6 [forms] fix generated label for fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3563
diff changeset
   888
        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
   889
    kwargs['eidparam'] = True
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   890
    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
   891
    if rschema.final:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   892
        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
   893
            return None
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   894
        fieldclass = FIELDS[targetschema]
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   895
        if fieldclass is StringField:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   896
            if eschema.has_metadata(rschema, 'format'):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   897
                # use RichTextField instead of StringField if the attribute has
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   898
                # a "format" metadata. But getting information from constraints
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   899
                # may be useful anyway...
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   900
                for cstr in rdef.constraints:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   901
                    if isinstance(cstr, StaticVocabularyConstraint):
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   902
                        raise Exception('rich text field with static vocabulary')
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   903
                return RichTextField(**kwargs)
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   904
            # init StringField parameters according to constraints
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   905
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   906
                if isinstance(cstr, StaticVocabularyConstraint):
1577
25b46db3cb81 should set field's choices
sylvain.thenault@logilab.fr
parents: 1574
diff changeset
   907
                    kwargs.setdefault('choices', cstr.vocabulary)
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   908
                    break
4014
24f7d7eb4c23 yams api update
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3890
diff changeset
   909
            for cstr in rdef.constraints:
1574
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   910
                if isinstance(cstr, SizeConstraint) and cstr.max is not None:
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   911
                    kwargs['max_length'] = cstr.max
0c6dbb774f54 drop text field usage
sylvain.thenault@logilab.fr
parents: 1573
diff changeset
   912
            return StringField(**kwargs)
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   913
        if fieldclass is FileField:
4160
3fbdeef9a610 cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4159
diff changeset
   914
            for metadata in KNOWN_METAATTRIBUTES:
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   915
                metaschema = eschema.has_metadata(rschema, metadata)
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   916
                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
   917
                    kwargs['%s_field' % metadata] = guess_field(eschema, metaschema,
1104
58f27c3c0167 more guess_field tests and fixes
sylvain.thenault@logilab.fr
parents: 1101
diff changeset
   918
                                                                skip_meta_attr=False)
1095
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   919
        return fieldclass(**kwargs)
6917ebe281e9 test and fix guess_field, some pylint fixes
sylvain.thenault@logilab.fr
parents: 1081
diff changeset
   920
    return RelationField.fromcardinality(card, **kwargs)
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   921
1986
96c0e56cb0cf move widget selection's logic on fields
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   922
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   923
FIELDS = {
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   924
    'Boolean':  BooleanField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   925
    'Bytes':    FileField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   926
    'Date':     DateField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   927
    'Datetime': DateTimeField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   928
    'Int':      IntField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   929
    'Float':    FloatField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   930
    'Decimal':  StringField,
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
   931
    'Password': PasswordField,
1081
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   932
    'String' :  StringField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   933
    'Time':     TimeField,
f2a85f52b9e5 move fields and widgets to their own module
sylvain.thenault@logilab.fr
parents:
diff changeset
   934
    }