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# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2009 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
# Author: Matt Giuca, Nick Chadwick
"""
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).
"""
from ivle.webapp.base.plugins import ViewPlugin, CookiePlugin, MediaPlugin
from ivle.webapp.base.xhtml import XHTMLView
import os.path
import cgi
from ivle import (util, studpath)
import ivle.svn
class BrowserView(XHTMLView):
"""
The view for the browser
"""
template = 'template.html'
appname = 'files'
help = 'Filesystem/Browser'
def authorize(self, req):
return req.user is not None
def populate(self, req, ctx):
if not hasattr(self, 'path'):
# If no path specified, default to the user's home directory
redirectPath = util.make_path(os.path.join('files', req.user.login))
req.throw_redirect(util.make_path(redirectPath))
# Set request attributes
self.plugin_styles[Plugin] = ['browser.css',
'listing.css',
'editor.css']
self.plugin_scripts[Plugin] = ['browser.js',
'listing.js',
'editor.js',
'specialhome.js',
'codepress/codepress.js']
req.scripts_init = ["browser_init"]
_, localpath = studpath.url_to_local(self.path)
if localpath is None:
raise NotFound()
# 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
self.gen_path(req, ctx)
self.gen_actions(req, ctx)
# The page title should contain the name of the file being browsed
ctx['title'] = self.path.rsplit('/', 1)[-1]
ctx['fileservice_action'] = util.make_path(os.path.join("fileservice", req.path))
ctx['filename'] = cgi.escape(req.path)
#TODO: Move all this logic into the template
def gen_path(self, req, ctx):
href_path = util.make_path('files')
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 = self.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(self, 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']),
])
]
class Plugin(ViewPlugin, CookiePlugin, MediaPlugin):
"""
The Plugin class for the user plugin.
"""
# Magic attribute: urls
# Sequence of pairs/triples of
# (regex str, handler class, kwargs dict)
# The kwargs dict is passed to the __init__ of the view object
urls = [
('files/*(path)', BrowserView),
('files/', BrowserView),
('/', BrowserView),
]
tabs = [
('files', 'Files', 'Gives you access to all of your files and lets '
'you download, upload, edit and run them.', 'browser.png', 'files', 1)
]
cookies = {'clipboard': None}
help = {'Filesystem': {'Browser': 'help.html'}}
media = 'media'
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