loops/browser/target.py
helmutm 15fa9c6a91 Using basic vocabulary/source stuff for assigning target on the edit form
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1051 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-02-03 15:45:13 +00:00

76 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
#
"""
Class(es) for representing a target attribute, to be used e.g. for
vocabularies and widgets.
$Id$
"""
from zope.app import zapi
from zope.app.form.browser.interfaces import ITerms
from zope.schema.interfaces import IIterableSource
from zope.cachedescriptors.property import Lazy
from zope.interface import implements
from zope.security.proxy import removeSecurityProxy
class Term(object):
def __init__(self, **kw):
self.__dict__.update(kw)
class TargetTerms(object):
implements(ITerms)
def __init__(self, context, request):
self.context = context.context
self.request = request
@Lazy
def loopsRoot(self):
return self.context.getLoopsRoot()
def getTerm(self, value):
token = self.loopsRoot.getLoopsUri(value)
#token = value.getLoopsRoot().getLoopsUri(value)
title = value.title
return Term(title=title, token=token)
def getValue(self, token):
return self.loopsRoot.loopsTraverse(token)
class TargetSourceList(object):
implements(IIterableSource)
def __init__(self, context):
self.context = removeSecurityProxy(context)
self.resources = self.context.getLoopsRoot()['resources']
def __iter__(self):
return iter(self.resources.values())
def __len__():
return len(self.resources)