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Annotation of loncom/interface/lonspeller.pm, revision 1.4

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Interface routines for Aspell
                      3: #
1.4     ! www         4: # $Id: lonspeller.pm,v 1.3 2004/07/22 20:19:20 www Exp $
1.1       www         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: ######################################################################
                     30: 
                     31: package Apache::lonspeller;
                     32: 
                     33: use Text::Aspell;
                     34: use Apache::lonlocal;
                     35: use strict;
1.2       www        36: my $speller;
1.1       www        37: 
1.4     ! www        38: sub spellcheck_language {
        !            39:     if ($ENV{'form.lang'}) { return $ENV{'form.lang'}; }
        !            40:     if (&mt('spellcheck_lang') ne 'spellcheck_lang') {
        !            41: 	return &mt('spellcheck_lang');
        !            42:     }
        !            43:     return 'en_US';
        !            44: }
        !            45: 
        !            46: sub set_language {
        !            47:     my $lang=&spellcheck_language();
        !            48:     $speller->set_option('lang',$lang);
        !            49: }
        !            50: 
1.2       www        51: sub markeduptext {
                     52:     my $input=shift;
                     53:     my $output='';
1.4     ! www        54:     &set_language();
1.2       www        55:     foreach my $word (split(/\W+/,$input)) {
                     56: 	if ($speller->check($word)) {
                     57: 	    $output.=$word.' ';
                     58: 	} else {
                     59: 	    my $suggestions=join(' ',$speller->suggest($word));
                     60: 	    &Apache::lonnet::logthis($suggestions);
                     61: 	    $suggestions=~s/\'/\\\'/gs;
                     62: 	    if ($suggestions) {
                     63: 		$output.='<a href="javascript:alert('."'".
                     64: 		    $suggestions."');".
                     65: 		    '">';
                     66: 	    }
                     67: 	    $output.='<font color="red">'.$word.'</font>';
                     68: 	    if ($suggestions) { $output.='</a>'; }
                     69: 	    $output.=' ';
                     70: 	}
                     71:     }
                     72:     return $output;
                     73: }
                     74: 
1.3       www        75: sub initspeller {
                     76:     unless (defined($speller)) {
                     77: 	$speller = Text::Aspell->new;
                     78: 	$speller->set_option('lang','en_US');
                     79: 	$speller->set_option('sug-mode','fast');
                     80:     }
                     81: }
                     82: 
                     83: sub handler {
                     84:     my $r = shift;
                     85:     &Apache::loncommon::content_type($r,'text/html');
                     86:     $r->send_http_header;
                     87:     return OK if $r->header_only;
                     88: 
                     89:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
                     90: 
                     91:     &initspeller();
                     92:     $r->print('<html><head><title>'.
                     93: 	      &mt('Spell Checker').
                     94: 	      '</title></head><body bgcolor="#DDDDDD">'.
                     95: 	      &markeduptext($ENV{'form.text'}).
                     96: 	      '</body></html>');
                     97:     return OK;
                     98: }
                     99: 
1.2       www       100: BEGIN {
1.3       www       101:     &initspeller();
1.1       www       102: }
                    103: 
                    104: 1;
                    105: 
                    106: __END__