File:
[LON-CAPA] /
loncom /
xml /
lontex.pm
Revision
1.8:
download - view:
text,
annotated -
select for diffs
Tue Aug 16 16:31:14 2005 UTC (19 years ago) by
albertel
Branches:
MAIN
CVS tags:
version_2_1_X,
version_2_1_3,
version_2_1_2,
version_2_1_1,
version_2_1_0,
version_2_0_X,
version_2_0_99_1,
version_2_0_2,
version_2_0_1,
version_2_0_0,
HEAD
- revamping the math preview mechanism to use iframes so the examples don't conflict with each other
1: # The LearningOnline Network with CAPA
2: # TeX Content Handler
3: #
4: # $Id: lontex.pm,v 1.8 2005/08/16 16:31:14 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: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
30: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
31: # binary executable programs or libraries distributed by the
32: # Michigan State University (the "Licensee"), but any binaries so
33: # distributed are hereby licensed only for use in the context
34: # of a program or computational system for which the Licensee is the
35: # primary author or distributor, and which performs substantial
36: # additional tasks beyond the translation of (La)TeX into HTML.
37: # The C source of the Code may not be distributed by the Licensee
38: # to any other parties under any circumstances.
39: #
40: # 05/29/00,05/30,10/11 Gerd Kortemeyer
41:
42: package Apache::lontex;
43:
44: use strict;
45: use Apache::File;
46: use Apache::lontexconvert;
47: use Apache::Constants qw(:common);
48: use Apache::lonnet;
49: use tth;
50:
51: # ================================================================ Main Handler
52:
53: sub handler {
54: my $r=shift;
55: my @texcontents;
56: my $texstring;
57:
58: # ----------------------------------------------------------- Set document type
59:
60: if ($env{'browser.mathml'}) {
61: &Apache::loncommon::content_type($r,'text/xml');
62: } else {
63: &Apache::loncommon::content_type($r,'text/html');
64: }
65: $r->send_http_header;
66:
67: return OK if $r->header_only;
68:
69: # ------------------------------------------------------------------- Read file
70:
71: {
72: my $fh=Apache::File->new($r->filename);
73: @texcontents=<$fh>;
74: }
75:
76: $texstring=join("\n",@texcontents);
77:
78: # --------------------------------------------------------------- Render Output
79:
80: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['mode',
81: 'buttons']);
82:
83: $r->print(&Apache::lontexconvert::header());
84: $r->print(
85: '<body bgcolor="#FFFFFF" onLoad="'.
86: &Apache::lonmenu::loadevents().
87: '" onUnload="'.
88: &Apache::lonmenu::unloadevents().
89: '">');
90: if ($env{'form.buttons'} ne 'no') {
91: $r->print(&Apache::lonmenu::menubuttons(undef,'web',1));
92: }
93: &Apache::lontexconvert::jsMath_reset();
94: if ($env{'form.mode'} eq 'jsMath') {
95: $r->print(&Apache::lontexconvert::jsMath_header());
96: }
97: $r->print(&Apache::lontexconvert::converted(\$texstring,$env{'form.mode'}));
98: $r->print('</body>');
99: $r->print(&Apache::lontexconvert::footer());
100:
101: return OK;
102: }
103:
104: 1;
105: __END__
106:
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