9af3d9ab29
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2907 fd906abe-77d9-0310-91a1-e0d9ade77398
88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
#
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# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Basic implementations for stateful objects and adapters.
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$Id$
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"""
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from zope.app.catalog.interfaces import ICatalog
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from zope.cachedescriptors.property import Lazy
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from zope import component
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from zope.component import adapts, adapter
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from cybertools.meta.interfaces import IOptions
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from cybertools.stateful.base import Stateful as BaseStateful
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from cybertools.stateful.base import StatefulAdapter, IndexInfo
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from cybertools.stateful.interfaces import IStatesDefinition, ITransitionEvent
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from loops.interfaces import ILoopsObject, IConcept, IResource
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from loops import util
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class Stateful(BaseStateful):
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def getStatesDefinition(self):
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return component.getUtility(IStatesDefinition, self.statesDefinition)
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class StatefulLoopsObject(Stateful, StatefulAdapter):
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adapts(ILoopsObject)
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@Lazy
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def loopsRoot(self):
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return self.context.getLoopsRoot()
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@Lazy
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def typePredicate(self):
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return self.loopsRoot.getConceptManager().getTypePredicate()
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class SimplePublishable(StatefulLoopsObject):
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statesDefinition = 'simple_publishing'
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class StatefulConceptIndexInfo(IndexInfo):
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adapts(IConcept)
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@property
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def availableStatesDefinitions(self):
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options = IOptions(self.context.getLoopsRoot())
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return options('organize.stateful.concept', ())
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class StatefulResourceIndexInfo(IndexInfo):
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adapts(IResource)
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@property
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def availableStatesDefinitions(self):
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options = IOptions(self.context.getLoopsRoot())
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return options('organize.stateful.resource', ())
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@adapter(IResource, ITransitionEvent)
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def handleTransition(obj, event):
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previous = event.previousState
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next = event.transition.targetState
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if next != previous:
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cat = component.getUtility(ICatalog)
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cat.index_doc(int(util.getUidForObject(obj)), obj)
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