95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
#
|
|
# 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.app.catalog.interfaces import ICatalog
|
|
from zope.cachedescriptors.property import Lazy
|
|
from zope import component
|
|
from zope.component import adapts, adapter
|
|
|
|
from cybertools.meta.interfaces import IOptions
|
|
from cybertools.stateful.base import Stateful as BaseStateful
|
|
from cybertools.stateful.base import StatefulAdapter, IndexInfo
|
|
from cybertools.stateful.interfaces import IStatesDefinition, ITransitionEvent
|
|
from loops.common import adapted
|
|
from loops.interfaces import ILoopsObject, IConcept, IResource
|
|
from loops import util
|
|
|
|
|
|
class Stateful(BaseStateful):
|
|
|
|
def getStatesDefinition(self):
|
|
return component.getUtility(IStatesDefinition, self.statesDefinition)
|
|
|
|
|
|
class StatefulLoopsObject(Stateful, StatefulAdapter):
|
|
|
|
adapts(ILoopsObject)
|
|
|
|
@Lazy
|
|
def loopsRoot(self):
|
|
return self.context.getLoopsRoot()
|
|
|
|
@Lazy
|
|
def typePredicate(self):
|
|
return self.loopsRoot.getConceptManager().getTypePredicate()
|
|
|
|
|
|
class SimplePublishable(StatefulLoopsObject):
|
|
|
|
statesDefinition = 'simple_publishing'
|
|
|
|
|
|
class StatefulConceptIndexInfo(IndexInfo):
|
|
|
|
adapts(IConcept)
|
|
|
|
@property
|
|
def availableStatesDefinitions(self):
|
|
globalOptions = IOptions(self.context.getLoopsRoot())
|
|
type = self.context.conceptType
|
|
if type is None: # may happen during object creation
|
|
return globalOptions('organize.stateful.concept', [])
|
|
else:
|
|
typeOptions = IOptions(adapted(type))
|
|
return (globalOptions('organize.stateful.concept', []) +
|
|
typeOptions('organize.stateful', []))
|
|
|
|
|
|
class StatefulResourceIndexInfo(IndexInfo):
|
|
|
|
adapts(IResource)
|
|
|
|
@property
|
|
def availableStatesDefinitions(self):
|
|
options = IOptions(self.context.getLoopsRoot())
|
|
return options('organize.stateful.resource', ())
|
|
|
|
|
|
@adapter(IResource, ITransitionEvent)
|
|
def handleTransition(obj, event):
|
|
previous = event.previousState
|
|
next = event.transition.targetState
|
|
if next != previous:
|
|
cat = component.getUtility(ICatalog)
|
|
cat.index_doc(int(util.getUidForObject(obj)), obj)
|