File:
[LON-CAPA] /
loncom /
interface /
lonspeller.pm
Revision
1.11:
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select for diffs
Thu Apr 7 06:56:23 2005 UTC (19 years, 5 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,
version_1_99_3,
version_1_99_2,
version_1_99_1_tmcc,
version_1_99_1,
version_1_99_0_tmcc,
version_1_99_0,
HEAD
- ENV -> env
# The LearningOnline Network with CAPA
# Interface routines for Aspell
#
# $Id: lonspeller.pm,v 1.11 2005/04/07 06:56:23 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/
#
######################################################################
######################################################################
package Apache::lonspeller;
use Apache::Constants qw(:common);
use Text::Aspell;
use Apache::lonlocal;
use Apache::lonnet;
use Apache::lontexconvert();
use HTML::LCParser;
use strict;
my $speller;
my $insidelink;
sub spellcheck_language {
if ($env{'form.lang'}) { return $env{'form.lang'}; }
if (&mt('spellcheck_lang') ne 'spellcheck_lang') {
return &mt('spellcheck_lang');
}
return 'en_US';
}
sub set_language {
my $lang=&spellcheck_language();
$speller->set_option('lang',$lang);
}
sub textsection {
my $input=shift;
my $output='';
&set_language();
foreach my $word (split(/\b/,$input)) {
if (($word=~/\W/) || ($word=~/^(lt|gt|nbsp|amp)$/i)
|| ($speller->check($word))) {
$output.=$word;
} else {
my $suggestions=join(' ',$speller->suggest($word));
$suggestions=~s/\'/\\\'/gs;
if (($suggestions) && (!$insidelink)) {
my $html=&Apache::lonxml::xmlbegin('encode');
$output.='<a href="javascript:spellwin=window.open('.
&Apache::lonhtmlcommon::javascript_nothing().
',\'spellwin\',\'height=140,width=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no\');'.
'spellwin.'.&Apache::lonhtmlcommon::javascript_docopen().';spellwin.document.writeln(\''.$html.'<head></head><body><h3>'.$word.
'</h3>'.$suggestions.'</body></html>\');spellwin.document.close();spellwin.focus()">';
}
$output.='<font color="red">'.$word.'</font>';
if (($suggestions) && (!$insidelink)) { $output.='</a>'; }
}
}
return $output;
}
sub markeduptext {
my $input=shift;
my $output='';
my $parser=HTML::LCParser->new(\$input);
$insidelink=0;
my $token;
while ($token=$parser->get_token) {
if ($token->[0] eq 'T') {
$output.=&textsection($token->[1]);
} elsif ($token->[0] eq 'S') {
$output.=$token->[4];
foreach my $tag ('m','script') {
if ($token->[1] eq $tag) {
$output.=$parser->get_text('/'.$tag);
}
}
if ($token->[1] eq 'a') {
$insidelink=1;
}
} elsif ($token->[0] eq 'E') {
$output.=$token->[2];
if ($token->[1] eq 'a') {
$insidelink=0;
}
}
}
$insidelink=0;
return $output;
}
sub initspeller {
unless (defined($speller)) {
$speller = Text::Aspell->new;
$speller->set_option('lang','en_US');
}
$insidelink=0;
}
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
&initspeller();
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.'<head><title>'.
&mt('Spell Checker').
'</title></head><body bgcolor="#DDDDDD">'.
&Apache::lontexconvert::msgtexconverted(
&markeduptext($env{'form.text'})).
'</body></html>');
return OK;
}
BEGIN {
&initspeller();
}
1;
__END__
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