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1808
by Matt Giuca
Added new base view TextView which supports Genshi text templates (as opposed to XHTML templates). |
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# IVLE - Informatics Virtual Learning Environment
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# Copyright (C) 2007-2009 The University of Melbourne
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Author: Matt Giuca
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import inspect |
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import os.path |
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import genshi.template |
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from ivle.webapp.base.views import BaseView |
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from ivle.webapp.base.xhtml import GenshiLoaderMixin |
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class TextView(GenshiLoaderMixin, BaseView): |
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"""
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A view which provides a base class for views which need to return plain
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text results using Genshi text templates.
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"""
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template = 'template.txt' |
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content_type = 'text/plain' |
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def get_context_ancestry(self, req): |
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return req.publisher.get_ancestors(self.context) |
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def filter(self, stream, ctx): |
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return stream |
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def render(self, req): |
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req.content_type = self.content_type |
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# View template
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viewctx = genshi.template.Context() |
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self.populate(req, viewctx) |
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# The template is found in the directory of the module containing the
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# view.
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app_template = os.path.join(os.path.dirname( |
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inspect.getmodule(self).__file__), self.template) |
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tmpl = self._loader.load(app_template, |
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cls=genshi.template.text.NewTextTemplate) |
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app = self.filter(tmpl.generate(viewctx), viewctx) |
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self.populate_headings(req, viewctx) |
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req.write(tmpl.generate(viewctx).render()) |
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def populate(self, req, ctx): |
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raise NotImplementedError() |
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def populate_headings(self, req, ctx): |
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ctx['root_dir'] = req.config['urls']['root'] |
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ctx['public_host'] = req.config['urls']['public_host'] |
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ctx['svn_base'] = req.config['urls']['svn_addr'] |
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ctx['write_javascript_settings'] = req.write_javascript_settings |
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if req.user: |
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ctx['login'] = req.user.login |
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ctx['logged_in'] = True |
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ctx['nick'] = req.user.nick |
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else: |
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ctx['login'] = None |
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ctx['logged_in'] = False |
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ctx['publicmode'] = req.publicmode |