77950fbf0f
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3280 fd906abe-77d9-0310-91a1-e0d9ade77398
90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
#
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# Copyright (c) 2009 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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Base classes for layout-based views.
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$Id$
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"""
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import re
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from zope.app.security.interfaces import IUnauthenticatedPrincipal
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from zope import component
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from zope.cachedescriptors.property import Lazy
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from zope.proxy import removeAllProxies
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from zope.traversing.browser import absoluteURL
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from loops.common import adapted
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from loops.i18n.browser import LanguageInfo
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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 # this is the adapted concept!
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self.request = request
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@Lazy
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def title(self):
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return self.context.title
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@Lazy
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def description(self):
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return self.context.description
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@Lazy
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def uid(self):
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return util.getUidForObject(self.context.context)
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@Lazy
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def menu(self):
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return self.node.getMenu()
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@Lazy
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def url(self):
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return '%s/.%s-%s' % (absoluteURL(self.menu, self.request),
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self.context.uid, normalize(self.context.title))
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@Lazy
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def authenticated(self):
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return not IUnauthenticatedPrincipal.providedBy(self.request.principal)
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def requireDojo(self, *packages):
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# TODO: make sure dojo and dojo_require are displayed in page.js
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djInfo = self.request.annotations.setdefault('ajax.dojo', {})
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requirements = djInfo.setdefault('requirements', set())
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for p in packages:
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requirements.add(p)
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def renderText(self, text, contentType):
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typeKey = util.renderingFactories.get(contentType, None)
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if typeKey is None:
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if contentType == u'text/html':
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return util.toUnicode(text)
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return u'<pre>%s</pre>' % util.html_quote(util.toUnicode(text))
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source = component.createObject(typeKey, text)
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view = component.getMultiAdapter((removeAllProxies(source), self.request))
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return view.render()
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pattern = re.compile(r'[ /\?\+%]')
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def normalize(text):
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return pattern.sub('-', text)
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