#
#  Copyright (c) 2006 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
#

"""
Adapters for IConcept providing interfaces from the
cybertools.knowledge package.

$Id$
"""

from zope import interface, component
from zope.component import adapts
from zope.interface import implements
from zope.cachedescriptors.property import Lazy

from cybertools.typology.interfaces import IType
#from cybertools.process.interfaces import IProcess
from cybertools.process.definition import Process as BaseProcess
from loops.interfaces import IConcept
from loops.common import AdapterBase
from loops.organize.process.interfaces import IProcess
from loops.type import TypeInterfaceSourceList


# register type interfaces - (TODO: use a function for this)

TypeInterfaceSourceList.typeInterfaces += (IProcess,)


class ProcessAdapterMixin(object):

    @Lazy
    def conceptManager(self):
        return self.context.getLoopsRoot().getConceptManager()

    @Lazy
    def successorPred(self):
        return self.conceptManager['follows']


class Process(AdapterBase, BaseProcess, ProcessAdapterMixin):
    """ A typeInterface adapter for concepts of type 'process'.
    """

    implements(IProcess)