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# IVLE
# Copyright (C) 2007-2008 The University of Melbourne
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# App: subjects
# Author: Matt Giuca
# Date: 29/2/2008
# This is an IVLE application.
# A sample / testing application for IVLE.
import os
import urllib
import cgi
import ivle.database
from ivle import util
import genshi
import genshi.template
def handle(req):
"""Handler for the Subjects application. Links to subject home pages."""
req.styles = ["media/subjects/subjects.css"]
ctx = genshi.template.Context()
if req.path == "":
# This is represented as a directory. Redirect and add a slash if it is
# missing.
if req.uri[-1] != '/':
req.throw_redirect(req.uri + '/')
ctx['whichpage'] = "toplevel"
handle_toplevel_menu(req, ctx)
else:
ctx['whichpage'] = "subject"
handle_subject_page(req, req.path, ctx)
loader = genshi.template.TemplateLoader(".", auto_reload=True)
tmpl = loader.load(util.make_local_path("apps/subjects/template.html"))
req.write(tmpl.generate(ctx).render('html')) #'xhtml', doctype='xhtml'))
def handle_toplevel_menu(req, ctx):
enrolled_subjects = req.user.subjects
unenrolled_subjects = [subject for subject in
req.store.find(ivle.database.Subject)
if subject not in enrolled_subjects]
ctx['enrolled_subjects'] = []
ctx['other_subjects'] = []
req.content_type = "text/html"
req.write_html_head_foot = True
for subject in enrolled_subjects:
new_subj = {}
new_subj['name'] = subject.name
new_subj['url'] = subject.url
ctx['enrolled_subjects'].append(new_subj)
if len(unenrolled_subjects) > 0:
for subject in unenrolled_subjects:
new_subj = {}
new_subj['name'] = subject.name
new_subj['url'] = subject.url
ctx['other_subjects'].append(new_subj)
def handle_subject_page(req, path, ctx):
req.content_type = "text/html"
req.write_html_head_foot = True # Have dispatch print head and foot
# Just make the iframe pointing to media/subjects
ctx['serve_loc'] = urllib.quote(util.make_path(os.path.join('media', 'subjects', path)))
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