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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: File Browser
# Author: Matt Giuca
# Date: 9/1/2008
# The file browser application. Presents an Ajax-based interface to the
# student's subversion workspace.
# Note that there is virtually no server-side code for this application. It
# simply presents static HTML and JavaScript, and all server-side activities
# take place in the FileService app (for handling Ajax requests).
import os.path
import cgi
from common import util
# url path for this app
THIS_APP = "files"
def handle(req):
"""Handler for the File Browser application."""
# Work out where we are browsing
browsepath = req.path
if len(browsepath) == 0:
# If no path specified, default to the user's home directory
browsepath = req.user.login
# Set request attributes
req.content_type = "text/html"
req.styles = [
"media/browser/browser.css",
"media/browser/listing.css",
"media/browser/editor.css",
]
req.scripts = [
"media/common/json2.js",
"media/common/edit_area/edit_area_full.js",
"media/common/util.js",
"media/browser/browser.js",
"media/browser/listing.js",
"media/browser/editor.js",
]
req.write_html_head_foot = True # Have dispatch print head and foot
# The page title should contain the name of the file being browsed
req.title = browsepath.rsplit('/', 1)[-1]
# Start writing data
req.write("""
<!-- Top bar section -->
<div id="topbar">
<div id="path">
""")
# TODO: Work out if this is a directory or not
presentpath(req, browsepath, True)
req.write("""
</div>
<div id="actions1"></div>
<div id="actions2"></div>
</div>
<!-- End topbar -->
<!-- Body. The JavaScript places content here relevant to the path -->
<div id="filesbody">
</div>
<!-- End body -->
</body>
</html>
""")
def presentpath(req, path, isdir):
"""
Presents a path list (address bar inside the page) for clicking.
Writes to req, expecting to have just written the opening div containing
the listing.
"""
href_path = util.make_path(THIS_APP)
nav_path = ""
# Create all of the paths
pathlist = path.split("/")
segs_left = len(pathlist)
for path_seg in pathlist:
if path_seg == "":
continue
# Write a slash at the end unless this is the last path seg AND
# it's not a directory.
segs_left -= 1
add_slash = segs_left != 0 or isdir
# Make an 'a' element
href_path = href_path + '/' + path_seg
nav_path = nav_path + path_seg
if add_slash:
nav_path = nav_path + '/'
link = '<a href="%s" title="Navigate to %s">%s</a>' % (
href_path, nav_path, path_seg)
req.write(link)
if add_slash:
req.write('/')
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