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, 2 months 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
# The LearningOnline Network with CAPA
# TeX Content Handler
#
# $Id: lontex.pm,v 1.8 2005/08/16 16:31:14 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA 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.
#
# LON-CAPA 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 LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
# Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
# TtHfunc and TtMfunc (the "Code") may be compiled and linked into
# binary executable programs or libraries distributed by the
# Michigan State University (the "Licensee"), but any binaries so
# distributed are hereby licensed only for use in the context
# of a program or computational system for which the Licensee is the
# primary author or distributor, and which performs substantial
# additional tasks beyond the translation of (La)TeX into HTML.
# The C source of the Code may not be distributed by the Licensee
# to any other parties under any circumstances.
#
# 05/29/00,05/30,10/11 Gerd Kortemeyer
package Apache::lontex;
use strict;
use Apache::File;
use Apache::lontexconvert;
use Apache::Constants qw(:common);
use Apache::lonnet;
use tth;
# ================================================================ Main Handler
sub handler {
my $r=shift;
my @texcontents;
my $texstring;
# ----------------------------------------------------------- Set document type
if ($env{'browser.mathml'}) {
&Apache::loncommon::content_type($r,'text/xml');
} else {
&Apache::loncommon::content_type($r,'text/html');
}
$r->send_http_header;
return OK if $r->header_only;
# ------------------------------------------------------------------- Read file
{
my $fh=Apache::File->new($r->filename);
@texcontents=<$fh>;
}
$texstring=join("\n",@texcontents);
# --------------------------------------------------------------- Render Output
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['mode',
'buttons']);
$r->print(&Apache::lontexconvert::header());
$r->print(
'<body bgcolor="#FFFFFF" onLoad="'.
&Apache::lonmenu::loadevents().
'" onUnload="'.
&Apache::lonmenu::unloadevents().
'">');
if ($env{'form.buttons'} ne 'no') {
$r->print(&Apache::lonmenu::menubuttons(undef,'web',1));
}
&Apache::lontexconvert::jsMath_reset();
if ($env{'form.mode'} eq 'jsMath') {
$r->print(&Apache::lontexconvert::jsMath_header());
}
$r->print(&Apache::lontexconvert::converted(\$texstring,$env{'form.mode'}));
$r->print('</body>');
$r->print(&Apache::lontexconvert::footer());
return OK;
}
1;
__END__
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