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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, studpath)
# 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]
_, 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
req.write("""
<!-- Top bar section -->
<div id="topbar">
<div id="path">
""")
isdir = os.path.isdir(localpath)
presentpath(req, browsepath, isdir)
req.write("""
</div>
<div id="actions1">
""")
present_actions1(req)
req.write(""" </div>
<div id="actions2">
""")
present_actions2(req, isdir)
req.write(""" </div>
</div>
<!-- End topbar -->
<!-- Body. The JavaScript places content here relevant to the path -->
<div id="filesbody">
</div>
<!-- End body -->
""")
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('/')
def present_actions1(req):
"""
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.
"""
req.write(""" <a id="act_open" class="disabled">Open</a> :
<a id="act_serve"
title="View this file on the web, running your code if this is a CGI file"
class="disabled">Serve</a> :
<a id="act_run" title="Run the selected Python file in the console"
class="disabled">Run</a> :
<a id="act_download" class="choice">Download</a> :
<a title="Refresh the current page" onclick="refresh()"
class="choice">Refresh</a> :
<select id="moreactions" onchange="handle_moreactions()"
onblur="handle_moreactions()">
<option class="moreactions" value="top"
selected="selected">More actions...</option>
<option class="heading" disabled="disabled">Publishing</option>
<option id="act_publish" class="disabled" disabled="disabled"
title="Make it so this directory can be seen by anyone on the web"
value="publish">Publish</option>
<option id="act_share" class="disabled" disabled="disabled"
title="Get a link to this published file, to give to friends"
value="share">Share this file</option>
<option id="act_submit" class="disabled" disabled="disabled"
title="Submit the selected files for an assignment"
value="submit">Submit</option>
<option class="heading" disabled="disabled">File actions</option>
<option id="act_rename" class="disabled" disabled="disabled"
title="Change the name of this file" value="rename">Rename</option>
<option id="act_delete" class="disabled" disabled="disabled"
title="Delete the selected files" value="delete">Delete</option>
<option id="act_copy" class="disabled" disabled="disabled"
title="Prepare to copy the selected files to another directory"
value="copy">Copy</option>
<option id="act_cut" class="disabled" disabled="disabled"
title="Prepare to move the selected files to another directory"
value="cut">Cut</option>
<option class="heading" disabled="disabled">Directory actions</option>
<option id="act_paste" class="choice"
title="Paste the copied or cut files to the current directory"
value="paste">Paste</option>
<option id="act_newfile" class="choice"
title="Open a new file for editing in the current directory"
value="newfile">New File</option>
<option id="act_mkdir" class="choice"
title="Make a new subdirectory in the current directory"
value="mkdir">New Directory</option>
<option id="act_upload" class="choice"
title="Upload a file to the current directory"
value="upload">Upload File</option>
<option class="heading" disabled="disabled">Subversion</option>
<option id="act_svnadd" class="disabled" disabled="disabled"
title="Schedule the selected temporary files to be added permanently"
value="svnadd">Add</option>
<option id="act_svnrevert" class="disabled" disabled="disabled"
title="Restore the selected files back to their last committed state"
value="svnrevert">Revert</option>
<option id="act_svncommit" class="disabled" disabled="disabled"
title="Commit any changes to the permanent repository"
value="svncommit">Commit</option>
</select>
""")
def present_actions2(req, isdir):
"""
Presents a set of links/buttons for the "actions2" row of the top bar.
This depends on whether it is a directory (listing) or normal file
(editor).
"""
if isdir:
req.write(""" <form target="upload_iframe"
action="%s"
enctype="multipart/form-data" method="post">
Select:
<a onclick="action_selectall(true)"
title="Select all files in this directory">All</a> :
<a onclick="action_selectall(false)"
title="Deselect all files in this directory">None</a>
<span style="display:none" id="uploadpanel">| Upload file:
<input type="hidden" value="putfiles" name="action" />
<input type="hidden" value="" name="path" />
<input type="file" name="data" />
<input type="checkbox" checked="on" value="true" name="unpack"
/>Unpack zip file
<input type="button" onclick="show_uploadpanel(false)" value="Hide" />
<input type="submit" value="Send" />
</span>
<!-- This iframe is for making a call to upload the file without
refreshing the page. (It will refresh the listing). -->
<iframe onload="refresh()" style="display: none;"
name="upload_iframe" id="upload_iframe"></iframe>
</form>
""" % cgi.escape(util.make_path(os.path.join("fileservice", req.path))))
else:
# TODO
pass
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