loops/target.py
helmutm ee7a84b6d5 Basic setup for node schema adapters (+ some minor improvements)
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1022 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-01-22 13:43:39 +00:00

73 lines
2.1 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.interface import implements
from loops.interfaces import IResource, IDocument, IMediaAsset
from loops.interfaces import IView
class ResourceProxy(object):
adapts(IView)
def getTitle(self): return self.target.title
def setTitle(self, title): self.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)
def __init__(self, context):
self.context = context
@Lazy
def target(self):
return self.context.target
class DocumentProxy(ResourceProxy):
implements(IDocument)
def setData(self, data): self.target.data = data
def getData(self): return self.target.data
data = property(getData, setData)
class MediaAssetProxy(ResourceProxy):
implements(IMediaAsset)
def setData(self, data): self.target.data = data
def getData(self): return self.target.data
data = property(getData, setData)