61 lines
2 KiB
Python
61 lines
2 KiB
Python
#
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# Copyright (c) 2015 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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View classes for versioning.
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"""
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from zope import interface, component
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from zope.app.pagetemplate import ViewPageTemplateFile
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from zope.app.security.interfaces import IUnauthenticatedPrincipal
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from zope.cachedescriptors.property import Lazy
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from loops.browser.common import BaseView
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from loops.resource import Resource
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from loops.versioning.interfaces import IVersionable
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from loops.versioning.util import getVersion
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version_macros = ViewPageTemplateFile('version_macros.pt')
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class ListVersions(BaseView):
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template = version_macros
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@Lazy
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def version_macros(self):
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return self.controller.getTemplateMacros('versions', version_macros)
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@Lazy
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def macro(self):
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return self.version_macros['versions']
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def versions(self):
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versionable = IVersionable(self.context)
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versions = versionable.versions
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cls = getattr(self.controller, 'versionViewClass', None)
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for v in sorted(versions):
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if cls is not None:
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yield(cls(versions[v], self.request))
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elif isinstance(versions[v], Resource):
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from loops.browser.resource import ResourceView
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yield ResourceView(versions[v], self.request)
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else:
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yield BaseView(versions[v], self.request)
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