~azzar1/unity/add-show-desktop-key

# 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)))