# -*- coding: utf-8 -*-
from plone.autoform.form import AutoExtensibleForm
from plone.dexterity.interfaces import IDexterityFTI
from plone.dexterity.utils import getAdditionalSchemata
from zope.component import getUtility
from zope.i18nmessageid import MessageFactory


PMF_ = MessageFactory("plone")


class DexterityExtensibleForm(AutoExtensibleForm):
    """Mixin class for Dexterity forms that support updatable fields
    """

    default_fieldset_label = PMF_('label_schema_default', default=u'Default')

    @property
    def description(self):
        fti = getUtility(IDexterityFTI, name=self.portal_type)
        return fti.Description()

    # AutoExtensibleForm contract

    @property
    def schema(self):
        fti = getUtility(IDexterityFTI, name=self.portal_type)
        return fti.lookupSchema()

    @property
    def additionalSchemata(self):
        return getAdditionalSchemata(context=self.context,
                                     portal_type=self.portal_type)