273a05a5d1
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1131 fd906abe-77d9-0310-91a1-e0d9ade77398
138 lines
3.7 KiB
Python
138 lines
3.7 KiB
Python
#
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# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Common base class for loops browser view classes.
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$Id$
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"""
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from zope.app import zapi
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from zope.app.dublincore.interfaces import ICMFDublinCore
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from zope.app.form.browser.interfaces import ITerms
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from zope.app.intid.interfaces import IIntIds
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from zope.cachedescriptors.property import Lazy
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from zope.dottedname.resolve import resolve
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from zope.interface import implements
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from zope.schema.vocabulary import SimpleTerm
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from zope.security.proxy import removeSecurityProxy
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from cybertools.typology.interfaces import IType
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from loops import util
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class BaseView(object):
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def __init__(self, context, request):
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#self.context = context
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self.context = removeSecurityProxy(context)
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self.request = request
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@Lazy
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def modified(self):
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""" get date/time of last modification
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"""
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dc = ICMFDublinCore(self.context)
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d = dc.modified or dc.created
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return d and d.strftime('%Y-%m-%d %H:%M') or ''
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@Lazy
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def loopsRoot(self):
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return self.context.getLoopsRoot()
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@Lazy
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def url(self):
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return zapi.absoluteURL(self.context, self.request)
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@Lazy
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def token(self):
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return self.loopsRoot.getLoopsUri(self.context)
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@Lazy
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def title(self):
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return self.context.title or zapi.getName(self.context)
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@Lazy
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def value(self):
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return self.context
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@Lazy
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def typeTitle(self):
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type = IType(self.context)
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return type is not None and type.title or None
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@Lazy
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def typeUrl(self):
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type = IType(self.context)
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if type is not None:
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provider = type.typeProvider
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if provider is not None:
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return zapi.absoluteURL(provider, self.request)
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return None
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def viewIterator(self, objs):
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request = self.request
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for o in objs:
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yield BaseView(o, request)
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@Lazy
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def uniqueId(self):
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return zapi.getUtility(IIntIds).getId(self.context)
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class LoopsTerms(object):
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""" Provide the ITerms interface, e.g. for usage in selection
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lists.
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"""
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implements(ITerms)
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def __init__(self, source, request):
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# the source parameter is a view or adapter of a real context object:
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self.source = source
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self.context = source.context
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self.request = request
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@Lazy
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def loopsRoot(self):
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return self.context.getLoopsRoot()
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def getTerm(self, value):
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return BaseView(value, self.request)
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def getValue(self, token):
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return self.loopsRoot.loopsTraverse(token)
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class InterfaceTerms(object):
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""" Provide the ITerms interface for source list of interfaces.
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"""
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implements(ITerms)
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def __init__(self, source, request):
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self.source = source
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self.request = request
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def getTerm(self, value):
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token = '.'.join((value.__module__, value.__name__))
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return SimpleTerm(value, token, token)
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def getValue(self, token):
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return resolve(token)
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