## $Id: interfaces.py 11997 2014-11-19 17:02:48Z henrik $
##
## Copyright (C) 2014 Uli Fouquet & Henrik Bettermann
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##
from zope.interface import Attribute
from zope import schema
from waeup.ikoba.interfaces import (
    IIkobaObject, SimpleIkobaVocabulary, 
    ContextualDictSourceFactoryBase)
from waeup.ikoba.interfaces import MessageFactory as _

class DocumentCategorySource(ContextualDictSourceFactoryBase):
    """A document type source delivers all types of documents.

    """
    #: name of dict to deliver from ikoba utils.
    DICT_NAME = 'DOCUMENT_TYPES'

class IDocumentsContainer(IIkobaObject):
    """A container for all kind of document objects.

    """

class IDocument(IIkobaObject):
    """A base representation of documents.

    """
    id = Attribute('Document Identifier')
    history = Attribute('Object history, a list of messages')

    category = schema.Choice(
        title = _(u'Document Category'),
        source = DocumentCategorySource(),
        required = True,
        )

    title = schema.TextLine(
        title = _(u'Document Title'),
        required = True,
        )