1: # The LearningOnline Network with CAPA
2: # Wrapper for external and binary files as standalone resources
3: #
4: # $Id: lonwrapper.pm,v 1.12 2003/04/15 03:53:03 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: # (Edit Handler for RAT Maps
29: # (TeX Content Handler
30: #
31: # 05/29/00,05/30 Gerd Kortemeyer)
32: # 7/1,6/30 Gerd Kortemeyer)
33: #
34: # 7/5 Gerd Kortemeyer
35:
36: package Apache::lonwrapper;
37:
38: use strict;
39: use Apache::Constants qw(:common);
40: use Apache::lonnet();
41: use Apache::lonxml();
42: use Apache::lonmenu;
43:
44: # ================================================================ Main Handler
45:
46: sub handler {
47: my $r=shift;
48: $r->content_type('text/html');
49: $r->send_http_header;
50:
51: return OK if $r->header_only;
52:
53: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
54: ['wrapperdisplay']);
55: my $orgurl=$r->uri;
56: my $url=$orgurl;
57: $url=~s/^\/adm\/wrapper//;
58: $url=~s/^\/ext\//http\:\/\//;
59: if ($ENV{'form.wrapperdisplay'} eq 'menu') {
60: #
61: # Producing the menu buttons
62: #
63: $r->print('<html><body bgcolor="#FFFFFF">'.
64: &Apache::lonmenu::menubuttons(1,'web',1).'</body></html>');
65: } else {
66: #
67: # Actual URL
68: #
69: if ($url=~/^\/uploaded\//) {
70: $url=&Apache::lonnet::tokenwrapper($url);
71: }
72: $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; #reappend the query arguments
73: my $events='onLoad="'.&Apache::lonmenu::loadevents.
74: '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
75: my $script=&Apache::lonmenu::registerurl(1,undef);
76:
77: if ($ENV{'browser.interface'} eq 'textual') {
78: #
79: # ssi-based rendering for text-based interface
80: #
81: $r->print('<html><head>'.
82: &Apache::lonmenu::registerurl(1).
83: '</head><body bgcolor="#FFFFFF">'.
84: &Apache::lonmenu::menubuttons(1).
85: &Apache::lonnet::ssi_body($url).'</body></html>');
86: } elsif ($ENV{'environment.remote'} eq 'off') {
87: #
88: # This is inline remote
89: #
90: $r->print(<<ENDDOCUMENTINL);
91: <html>
92: <head>
93: $script
94: </head>
95: <frameset rows="180,*" border=0 $events>
96: <frame src="$orgurl?wrapperdisplay=menu">
97: <frame src="$url">
98: </frameset>
99: </html>
100: ENDDOCUMENTINL
101: } else {
102: #
103: # frame-based rendering for graphical interface
104: #
105: $r->print(<<ENDDOCUMENT);
106: <html>
107: <head>
108: $script
109: </head>
110: <frameset rows="1,*" border=0 $events>
111: <frame src="/adm/rat/empty.html">
112: <frame src="$url">
113: </frameset>
114: </html>
115: ENDDOCUMENT
116: }
117: }
118: return OK;
119: }
120:
121: 1;
122: __END__
123:
124:
125:
126:
127:
128:
129:
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