1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
# 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
# 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))
# 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
req.write("""
<!-- Top bar section -->
<div id="topbar">
<div id="path">
""")
# 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)
presentpath(req, browsepath, isdir)
req.write("""
</div>
<div id="actions1">
""")
present_actions1(req)
req.write(""" </div>
<div id="actions2">
""")
present_actions2(req)
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.
This will also have a revision indicator on the end, if we are viewing a
revision.
"""
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
# 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 if revno is None else href_path + '?r=%d' % revno,
nav_path, path_seg)
req.write(link)
if add_slash:
req.write('/')
if revno is not None:
req.write(' (revision %d)' % revno)
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.
"""
# Set up our actions. The second field of each group is whether to disable
# the items by default.
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, [
('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']),
])
]
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" target="_blank">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><span id="moreactions_area"> :
<select id="moreactions" onchange="handle_moreactions()"
onblur="handle_moreactions()">
<option class="moreactions" value="top"
selected="selected">More actions...</option>
""")
for (name, disablement, group) in moreactions:
if disablement:
disable = 'class="disabled" disabled="disabled"'
else:
disable = ''
req.write('<optgroup label="%s">' % name)
for (id, bits) in group:
req.write('<option id="act_%s" %s title="%s" value="%s">%s</option>'
% (id, disable, bits[1], id, bits[0]))
req.write('</optgroup>')
req.write('</select></span>')
def present_actions2(req):
"""
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), but we'll let the JavaScript decide which.
"""
req.write(""" <form id="actions2_directory"
target="upload_iframe"
action="%s"
enctype="multipart/form-data" method="post">
<p>
<span id="selectallpanel">
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>
<span style="display:none" id="uploadpanel">|
<label for="upload_file">Upload file:</label>
<input type="hidden" value="putfiles" name="action" />
<input type="hidden" value="" name="path" />
<input type="file" name="data" id="upload_file" />
<input type="checkbox" checked="checked" value="true" name="unpack" id="unpack" />
<label title="Extract files and directories from a ZIP file if one is uploaded" for="unpack">Unpack ZIP</label>
<input type="button" onclick="show_uploadpanel(false)" value="Cancel" />
<input type="submit" value="Upload" />
</span>
<!-- This iframe is for making a call to upload the file without
refreshing the page. (It will refresh the listing). -->
<iframe onload="upload_callback()" style="display: none;"
name="upload_iframe" id="upload_iframe"></iframe>
</p>
</form>
""" % cgi.escape(util.make_path(os.path.join("fileservice", req.path))))
req.write(""" <p id="actions2_file">
<input type="button" id="save_button" value="Save" onclick="save_file('%s')" />
<input type="button" id="saveas_button" value="Save As..." onclick="save_file_as('%s')" />
<select id="highlighting_select" onchange="highlighting_changed(this)">
<option value="text">Text</option>
<option value="python">Python</option>
<option value="html">HTML</option>
<option value="javascript">JavaScript</option>
<option value="css">CSS</option>
</select>
</p>
""" % ((cgi.escape(req.path),) * 2))
|