0f56075002
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1586 fd906abe-77d9-0310-91a1-e0d9ade77398
95 lines
2.7 KiB
Python
95 lines
2.7 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
|
|
#
|
|
|
|
"""
|
|
Common stuff.
|
|
|
|
$Id$
|
|
"""
|
|
|
|
from zope.app import zapi
|
|
from zope.dublincore.interfaces import IZopeDublinCore
|
|
from zope.dublincore.annotatableadapter import ZDCAnnotatableAdapter
|
|
from zope.dublincore.zopedublincore import ScalarProperty
|
|
from zope.component import adapts
|
|
from zope.interface import implements
|
|
from zope.cachedescriptors.property import Lazy
|
|
from loops.interfaces import ILoopsObject, IConcept, IResource
|
|
from loops.interfaces import IResourceAdapter
|
|
|
|
|
|
# type interface adapters
|
|
|
|
class AdapterBase(object):
|
|
""" (Mix-in) Class for concept adapters that provide editing of fields
|
|
defined by the type interface.
|
|
"""
|
|
|
|
adapts(IConcept)
|
|
|
|
_attributes = ('context', '__parent__', )
|
|
_schemas = list(IConcept)
|
|
|
|
def __init__(self, context):
|
|
self.context = context # to get the permission stuff right
|
|
self.__parent__ = context
|
|
|
|
def __getattr__(self, attr):
|
|
self.checkAttr(attr)
|
|
return getattr(self.context, '_' + attr, None)
|
|
|
|
def __setattr__(self, attr, value):
|
|
if attr in self._attributes:
|
|
object.__setattr__(self, attr, value)
|
|
else:
|
|
self.checkAttr(attr)
|
|
setattr(self.context, '_' + attr, value)
|
|
|
|
def checkAttr(self, attr):
|
|
if attr not in self._schemas:
|
|
raise AttributeError(attr)
|
|
|
|
def __eq__(self, other):
|
|
return self.context == other.context
|
|
|
|
|
|
class ResourceAdapterBase(AdapterBase):
|
|
|
|
adapts(IResource)
|
|
|
|
_schemas = list(IResourceAdapter)
|
|
|
|
|
|
# other adapters
|
|
|
|
class LoopsDCAdapter(ZDCAnnotatableAdapter):
|
|
|
|
implements(IZopeDublinCore)
|
|
adapts(ILoopsObject)
|
|
|
|
def __init__(self, context):
|
|
self.context = context
|
|
super(LoopsDCAdapter, self).__init__(context)
|
|
|
|
def Title(self):
|
|
return super(LoopsDCAdapter, self).title or self.context.title
|
|
def setTitle(self, value):
|
|
ScalarProperty(u'Title').__set__(self, value)
|
|
title = property(Title, setTitle)
|
|
|
|
|