36
40
# Write the XHTML opening and head element
41
# Note the inline JavaScript, which provides the client with constants
42
# derived from the server configuration.
37
43
if req.title != None:
38
titlepart = ' - ' + req.title
44
titlepart = req.title + ' - '
41
47
req.write("""<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
42
48
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
43
49
<html xmlns="http://www.w3.org/1999/xhtml">
46
<meta http-equiv="Content-Type"
47
content="%s; charset=utf-8" />
50
""" % (titlepart, req.content_type))
52
<meta http-equiv="Content-Type" content="%s; charset=utf-8" />
53
""" % (cgi.escape(titlepart), cgi.escape(req.content_type)))
54
# Write inline JavaScript which gives the client code access to certain
55
# server-side variables.
57
username = repr(req.user.login)
60
req.write(""" <script type="text/javascript">
65
""" % (repr(conf.root_dir), repr(conf.public_host), username))
66
iconurl = get_icon_url(req.app, small=True)
68
req.write(""" <link rel="shortcut icon" href="%s" />
69
""" % cgi.escape(iconurl))
70
req.write(""" <link rel="stylesheet" type="text/css" href="%s" />
71
""" % cgi.escape(util.make_path('media/common/ivle.css')))
73
# Write any app-specific style and script links
74
for style in req.styles:
75
req.write(' <link rel="stylesheet" type="text/css" href="%s" />\n'
76
% cgi.escape(util.make_path(style)))
77
for script in req.scripts:
78
req.write(' <script type="text/javascript" src="%s"></script>\n'
79
% cgi.escape(util.make_path(script)))
81
req.write("</head>\n\n")
52
83
# Open the body element and write a bunch of stuff there (the header)
53
84
req.write("""<body>
54
<h1>IVLE - Informatics Virtual Learning Environment</h1>
85
<div id="ivleheader"></div>
86
<div id="ivleheader_text">
88
<h2>Informatics Virtual Learning Environment</h2>
92
# Get the user's nickname from the request session
93
nickname = req.user.nick
94
req.write(' <p class="userhello"><span id="usernick">%s</span> '
95
'(<span class="username">%s</span>) |\n'
96
' <a href="%s">Settings</a> |\n'
97
' <a href="%s">Help</a> |\n'
98
' <a href="%s">Sign out</a>\n'
100
(cgi.escape(nickname), cgi.escape(req.user.login),
101
cgi.escape(util.make_path('settings')),
102
cgi.escape(get_help_url(req)),
103
cgi.escape(util.make_path('logout'))))
105
req.write(' <p class="userhello">Not logged in.</p>')
107
# ivleheader_tabs is a separate div, so it can be positioned absolutely
108
req.write('</div>\n<div id="ivleheader_tabs">\n')
57
110
# If the "debuginfo" app is installed, display a warning to the admin to
58
111
# make sure it is removed in production.
59
112
if "debuginfo" in conf.apps.app_url:
60
req.write("<p>Warning: debuginfo is enabled. Remove this app from "
61
"conf.apps.app_url when placed into production.</p>")
113
req.write(" <p><small>Warning: debuginfo is enabled. Set "
114
"enable_debuginfo = False in lib/conf/apps.py, when placing IVLE "
115
"into production.</small></p>\n")
117
# If req has a "no_agreement" attribute, then it is because the user has
118
# not signed the agreement; therefore we are displaying the TOS page.
119
# Do not show apps (see dispatch.login).
120
if req.user and not req.user.state == 'no_agreement':
121
# Only print app tabs if logged in
122
print_apps_list(req, req.app)
123
req.write('</div>\n<div id="ivlebody">\n')
65
125
def write_html_foot(req):
66
126
"""Writes the HTML footer, given a request object.
68
128
req: An IVLE request object. Written to.
70
req.write("</body>\n</html>\n")
72
def print_apps_list(file):
130
req.write("</div>\n</body>\n</html>\n")
132
def get_help_url(req):
133
"""Gets the help URL most relevant to this page, to place as the
134
"help" link at the top of the page."""
135
reqapp = req.app if hasattr(req, 'app') else None
137
# We're already in help. Link to the exact current page
138
# instead of the generic help page.
140
if reqapp is not None and conf.apps.app_url[reqapp].hashelp:
141
help_path = os.path.join('help', reqapp)
144
return util.make_path(help_path)
146
def get_icon_url(appurl, small=False):
147
"""Given an app's url name, gets the URL of the icon image for this app,
148
relative to the site root. Returns None if the app has no icon."""
149
if appurl is None: return None
151
app = conf.apps.app_url[appurl]
153
# Due to navigating to a bad app
156
icon_dir = conf.apps.app_icon_dir_small
158
icon_dir = conf.apps.app_icon_dir
159
if app.icon is None: return None
160
return util.make_path(os.path.join(icon_dir, app.icon))
162
def print_apps_list(file, thisapp):
73
163
"""Prints all app tabs, as a UL. Prints a list item for each app that has
76
166
file: Object with a "write" method - ie. the request object.
79
file.write('<ul class="apptabs">\n')
169
file.write(' <ul id="apptabs">\n')
81
171
for urlname in conf.apps.apps_in_tabs:
82
172
app = conf.apps.app_url[urlname]
83
file.write(' <li><a href="%s">%s</a></li>\n'
84
% (util.make_path(app.dir), app.name))
173
if urlname == thisapp:
174
li_attr = ' class="thisapp"'
177
file.write(' <li%s>' % li_attr)
179
file.write('<img src="%s" alt="" /> '
180
% urllib.quote(get_icon_url(urlname)))
181
file.write('<a href="%s" title="%s">%s</a></li>\n'
182
% (urllib.quote(util.make_path(urlname)), cgi.escape(app.desc),
183
cgi.escape(app.name)))
185
file.write(' </ul>\n')