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File:  [LON-CAPA] / loncom / interface / lonspeller.pm
Revision 1.4: download - view: text, annotated - select for diffs
Thu Jul 22 23:50:55 2004 UTC (19 years, 10 months ago) by www
Branches: MAIN
CVS tags: HEAD
Set languages - requires German (de) and Portuguese (pt) dictionaries installed

    1: # The LearningOnline Network with CAPA
    2: # Interface routines for Aspell
    3: #
    4: # $Id: lonspeller.pm,v 1.4 2004/07/22 23:50:55 www 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: ######################################################################
   30: 
   31: package Apache::lonspeller;
   32: 
   33: use Text::Aspell;
   34: use Apache::lonlocal;
   35: use strict;
   36: my $speller;
   37: 
   38: sub spellcheck_language {
   39:     if ($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: 
   51: sub markeduptext {
   52:     my $input=shift;
   53:     my $output='';
   54:     &set_language();
   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 $output;
   73: }
   74: 
   75: sub initspeller {
   76:     unless (defined($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: 
  100: BEGIN {
  101:     &initspeller();
  102: }
  103: 
  104: 1;
  105: 
  106: __END__
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