a0948469d4
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1097 fd906abe-77d9-0310-91a1-e0d9ade77398
152 lines
4.5 KiB
Python
152 lines
4.5 KiB
Python
#
|
|
# 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
|
|
#
|
|
|
|
"""
|
|
Adapter classes (proxies, in fact), for providing access to concepts and
|
|
resources e.g. from forms that are called on view/node objects.
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from zope.app import zapi
|
|
from zope.cachedescriptors.property import Lazy
|
|
from zope.component import adapts
|
|
from zope.i18nmessageid import MessageFactory
|
|
from zope.interface import implements
|
|
from zope import schema
|
|
from zope.security.proxy import removeSecurityProxy
|
|
|
|
from loops.interfaces import IResource
|
|
from loops.interfaces import IDocument, IMediaAsset
|
|
from loops.interfaces import IDocumentView, IMediaAssetView
|
|
from loops.interfaces import IView
|
|
from loops.interfaces import IConcept, IConceptView
|
|
|
|
_ = MessageFactory('loops')
|
|
|
|
|
|
# proxies for accessing target objects from views/nodes
|
|
|
|
class ConceptProxy(object):
|
|
|
|
implements(IConcept)
|
|
adapts(IConceptView)
|
|
|
|
def __init__(self, context):
|
|
#self.context = context
|
|
self.context = removeSecurityProxy(context)
|
|
|
|
def getTitle(self): return self.target.title
|
|
def setTitle(self, title): self.target.title = title
|
|
title = property(getTitle, setTitle)
|
|
|
|
def getChildren(self, relationships=None):
|
|
return self.target.getChildren(relationships)
|
|
|
|
def getParents(self, relationships=None):
|
|
return self.target.getParents(relationships)
|
|
|
|
|
|
class ResourceProxy(object):
|
|
|
|
adapts(IView)
|
|
|
|
def __init__(self, context):
|
|
#self.context = context
|
|
self.context = removeSecurityProxy(context)
|
|
|
|
def getTitle(self): return self.target.title
|
|
def setTitle(self, title): self.target.title = title
|
|
title = property(getTitle, setTitle)
|
|
|
|
def setContentType(self, contentType):
|
|
self.target.contentType = contentType
|
|
def getContentType(self): return self.target.contentType
|
|
contentType = property(getContentType, setContentType)
|
|
|
|
@Lazy
|
|
def target(self):
|
|
return self.context.target
|
|
|
|
|
|
class DocumentProxy(ResourceProxy):
|
|
|
|
implements(IDocument)
|
|
adapts(IDocumentView)
|
|
|
|
def setData(self, data): self.target.data = data
|
|
def getData(self): return self.target.data
|
|
data = property(getData, setData)
|
|
|
|
|
|
class MediaAssetProxy(ResourceProxy):
|
|
|
|
implements(IMediaAsset)
|
|
adapts(IMediaAssetView)
|
|
|
|
def setData(self, data): self.target.data = data
|
|
def getData(self): return self.target.data
|
|
data = property(getData, setData)
|
|
|
|
|
|
# source classes for target vocabularies
|
|
|
|
class TargetSourceList(object):
|
|
|
|
implements(schema.interfaces.IIterableSource)
|
|
|
|
def __init__(self, context):
|
|
#self.context = context
|
|
self.context = removeSecurityProxy(context)
|
|
root = self.context.getLoopsRoot()
|
|
self.resources = root.getResourceManager()
|
|
# concepts will only be included when we have some really
|
|
# queryable source with a corresponding user interface:
|
|
#self.concepts = root.getConceptManager()
|
|
self.concepts = {}
|
|
|
|
def __iter__(self):
|
|
for obj in self.resources.values():
|
|
yield obj
|
|
for obj in self.concepts.values():
|
|
yield obj
|
|
#return iter(list(self.resources.values()) + list(self.concepts.values()))
|
|
|
|
def __len__(self):
|
|
return len(self.resources) + len(self.concepts)
|
|
|
|
|
|
class QueryableTargetSource(object):
|
|
|
|
implements(schema.interfaces.ISource)
|
|
|
|
def __init__(self, context):
|
|
self.context = context
|
|
root = self.context.getLoopsRoot()
|
|
self.resources = root.getResourceManager()
|
|
self.concepts = root.getConceptManager()
|
|
|
|
def __contains__(self, value):
|
|
return value in self.resources.values() or value in self.concepts.values()
|
|
|
|
|
|
def getTargetTypes():
|
|
return (('loops.concept.Concept', _(u'Concept')),
|
|
('loops.resource.Document', _(u'Document')),
|
|
('loops.resource.MediaAsset', _(u'Media Asset')),
|
|
)
|