loops/browser/concept.py
helmutm e95943cbf3 Work in progress: assignment of related concepts (children and parents) to concepts
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1073 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-02-13 18:53:58 +00:00

76 lines
2.3 KiB
Python

#
# Copyright (c) 2004 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
#
"""
Definition of the Task view class.
$Id$
"""
from zope.app import zapi
from zope.app.dublincore.interfaces import ICMFDublinCore
from zope.cachedescriptors.property import Lazy
from zope.interface import implements
from zope import schema
from zope.security.proxy import removeSecurityProxy
from loops.browser.common import BaseView
from loops.browser.terms import LoopsTerms
class ConceptView(BaseView):
def children(self):
request = self.request
for c in self.context.getChildren():
yield ConceptView(c, request)
def parents(self):
request = self.request
for c in self.context.getParents():
yield ConceptView(c, request)
def update(self):
concept_name = self.request.get('concept_name', None)
if concept_name:
concept = zapi.getParent(self.context)[concept_name]
self.context.assignChild(removeSecurityProxy(concept))
return True
def getVocabularyForRelated(self):
source = ConceptSourceList(self.context)
for candidate in source:
yield LoopsTerms(ConceptView(candidate, self.request), self.request)
class ConceptSourceList(object):
implements(schema.interfaces.IIterableSource)
def __init__(self, context):
#self.context = context
self.context = removeSecurityProxy(context)
root = self.context.getLoopsRoot()
self.concepts = root.getConceptManager()
def __iter__(self):
for obj in self.concepts.values():
yield obj
def __len__(self):
return len(self.concepts)