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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 ivle import (util, studpath)
import ivle.svn
import genshi
import genshi.core
import genshi.template
# 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
redirectPath = util.make_path(os.path.join(THIS_APP,req.user.login))
req.throw_redirect(util.make_path(redirectPath))
ctx = genshi.template.Context()
# 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/codepress/codepress.js",
"media/common/util.js",
"media/browser/browser.js",
"media/browser/listing.js",
"media/browser/editor.js",
"media/browser/specialhome.js",
]
req.scripts_init = [
"browser_init",
]
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]
_, localpath = studpath.url_to_local(browsepath)
if localpath is None:
req.throw_error(req.HTTP_NOT_FOUND,
"The path specified is invalid.")
# Start writing data
# FIXME: This isn't completely reliable! We're not inside the jail, so we
# can't know the type for sure. This is now only used for adding a / to the
# end of displayed paths, so I'm leaving this although it will often break.
isdir = os.path.isdir(localpath)
ctx['isdir'] = isdir
gen_path(req, browsepath, ctx)
gen_actions(req, ctx)
ctx['fileservice_action'] = util.make_path(os.path.join("fileservice", req.path))
ctx['filename'] = cgi.escape(req.path)
loader = genshi.template.TemplateLoader(".", auto_reload=True)
tmpl = loader.load(util.make_local_path("apps/browser/template.html"))
req.write(tmpl.generate(ctx).render('html')) #'xhtml', doctype='xhtml'))
#TODO: Move all this logic into the template
def gen_path(req, path, ctx):
href_path = util.make_path(THIS_APP)
nav_path = ""
revision = ivle.svn.revision_from_string(
req.get_fieldstorage().getfirst('r'))
try:
revno = revision.number
except:
revno = None
ctx['revno'] = revno
# Create all of the paths
pathlist = path.split("/")
ctx['paths'] = []
for path_seg in pathlist:
if path_seg == "":
continue
new_seg = {}
nav_path = nav_path + path_seg
href_path = href_path + '/' + path_seg
new_seg['path'] = path_seg
new_seg['nav_path'] = nav_path
new_seg['href_path'] = href_path
if revno is not None:
new_seg['href_path'] += '?r=%d' % revno
ctx['paths'].append(new_seg)
def gen_actions(req, ctx):
"""
Presents a set of links/buttons for the "actions1" row of the top bar.
This is always exactly the same - the JavaScript will customize it later.
"""
# Set up our actions. The second field of each group is whether to disable
# the items by default.
ctx['moreactions'] = [
('Publishing', True, [
('publish', ['Publish', 'Make it so this directory can be seen by anyone on the web']),
('share', ['Share this file', 'Get a link to this published file, to give to friends']),
('submit', ['Submit', 'Submit the selected files for an assignment'])
]),
('File actions', True, [
('rename', ['Rename', 'Change the name of this file']),
('delete', ['Delete', 'Delete the selected files']),
('copy', ['Copy', 'Prepare to copy the selected files to another directory']),
('cut', ['Cut', 'Prepare to move the selected files to another directory'])
]),
('Directory actions', False, [
('paste', ['Paste', 'Paste the copied or cut files into the current directory']),
('newfile', ['New File', 'Open a new file for editing in the current directory']),
('mkdir', ['New Directory', 'Make a new subdirectory in the current directory']),
('upload', ['Upload File', 'Upload a file to the current directory'])
]),
('Subversion', True, [
('svncut', ['Svn Cut', 'Prepare to move the selected files to another directory, maintaining history']),
('svncopy', ['Svn Copy', 'Prepare to copy the selected files to another directory, maintaining history']),
('svnadd', ['Add', 'Schedule the selected temporary files to be added permanently']),
('svnremove', ['Remove', 'Schedule the selected permanent files to be removed']),
('svndiff', ['Diff', 'View any changes to the selected file since its last committed state']),
('svnrevert', ['Revert', 'Restore the selected files back to their last committed state']),
('svnupdate', ['Update', 'Update your files with changes from the permanent repository']),
('svncommit', ['Commit', 'Commit any changes to the permanent repository']),
('svnresolved', ['Mark Resolved', 'Mark a conflicted file as being resolved']),
('svnlog', ['View Log', 'View the log of commits of the selected file']),
])
]
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