#
#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
#
#  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
#

"""
Basic implementations for stateful objects and adapters.

$Id$
"""

from zope.interface import implementer

from cybertools.stateful.definition import registerStatesDefinition
from cybertools.stateful.definition import StatesDefinition
from cybertools.stateful.definition import State, Transition
from cybertools.stateful.interfaces import IStatesDefinition
from loops.organize.stateful.base import StatefulLoopsObject


@implementer(IStatesDefinition)
def classificationQuality():
    return StatesDefinition('classificationQuality',
        State('unclassified', 'unclassified', ('classify',)),
        State('classified', 'classified', ('check',)),
        State('checked', 'checked',
              ('change_classification', 'remove_classification')),
        Transition('classify', 'classify', 'classified'),
        Transition('check', 'check', 'checked'),
        Transition('change_classification', 'change classification', 'classified'),
        Transition('remove_classification', 'remove classification', 'unclassified'),
        initialState='unclassified')


class ClassificationQualityCheckable(StatefulLoopsObject):

    statesDefinition = 'loops.classification_quality'