1: # The LearningOnline Network with CAPA
2: # Construction Space Page Wrapper for Construction
3: #
4: # $Id: lonconstruct.pm,v 1.29 2005/02/28 08:22:09 albertel 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: #
29: # (Page Handler
30: #
31: # (TeX Content Handler
32: #
33: # 05/29/00,05/30 Gerd Kortemeyer)
34: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
35: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
36: #
37: # 11/22,11/23,11/28,
38: # 03/30/01 Gerd Kortemeyer
39: package Apache::lonconstruct;
40:
41:
42: use strict;
43: use Apache::Constants qw(:common :http :methods);
44: use Apache::lonnet;
45: use Apache::Log ();
46: use HTML::Entities();
47:
48: my $DEBUG = 0;
49: =pod
50:
51: =item Debug($request, $message)
52:
53: If debugging is enabled puts out a debuggin message determined by the
54: caller. The debug message goes to the Apache error log file. Debugging
55: is enabled by ssetting the module global DEBUG variable to nonzero (TRUE).
56:
57: Parameters:
58:
59: =over 4
60:
61: =item $request - The curretn request operation.
62:
63: =item $message - The message to put inthe log file.
64:
65: =back
66:
67: Returns:
68: nothing.
69:
70: =cut
71:
72: sub Debug {
73:
74: # Marshall the parameters.
75:
76: my $r = shift;
77: my $log = $r->log;
78: my $message = shift;
79:
80: # Put out the indicated message butonly if DEBUG is false.
81:
82: if ($DEBUG) {
83: $log->debug($message);
84: }
85: }
86:
87:
88: # ================================================================ Main Handler
89:
90: sub handler {
91: my $r=shift;
92:
93: # -------------------------------------------------------------- Build frameset
94:
95: &Apache::loncommon::content_type($r,'text/html');
96: $r->send_http_header;
97: return OK if $r->header_only;
98:
99: my $lowerframe=$r->path_info;
100: &Debug($r, "Initial URL for lower frame: ".$lowerframe);
101: $lowerframe=~s/^\//\/\~/;
102: &Debug($r, "Lower frame URL afer ~ subst: ".$lowerframe);
103: $lowerframe= &HTML::Entities::encode($lowerframe,'<>&"');
104: &Debug($r, "Lower frame URL after quote subst: ".$lowerframe);
105:
106: #
107: # Are we forcing edit mode?
108: #
109:
110: &Apache::loncommon::get_unprocessed_cgi
111: ($ENV{'QUERY_STRING'},['forceedit']);
112: if ($ENV{'form.forceedit'}) {
113: $lowerframe.='?editmode=Edit&problemmode=EditXML';
114: }
115: &Apache::loncommon::get_unprocessed_cgi
116: ($ENV{'QUERY_STRING'},['forceColoredit']);
117: if ($ENV{'form.forceColoredit'}) {
118: $lowerframe.='?editmode=Edit&problemmode=Edit';
119: }
120:
121: #
122: # Checking to see if we should display the topframe
123: #
124: my $toprows = 0;
125: my $topsrc = '';
126: if ($ENV{'environment.remote'} ne 'off') {
127: $toprows = '110';
128: $topsrc = '/adm/localize/adm/publisher.html';
129: }
130: my $html=&Apache::lonxml::xmlbegin();
131: $r->print(<<ENDPAGE);
132: $html
133: <head><title>LON-CAPA Construction Space</title>
134: <script type="text/javascript">
135: var lastknownpriv="$lowerframe";
136: </script>
137: </head>
138: <frameset rows="$toprows,*" border="0">
139: <frame src='$topsrc' />
140: <frame src="$lowerframe" name="LONCAPAToBePublished" />
141: </frameset>
142: </html>
143: ENDPAGE
144: return OK;
145: }
146: 1;
147: __END__
148:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>