Annotation of loncom/interface/lonspeller.pm, revision 1.16
1.1 www 1: # The LearningOnline Network with CAPA
2: # Interface routines for Aspell
3: #
1.16 ! albertel 4: # $Id: lonspeller.pm,v 1.15 2006/03/23 23:43:13 albertel 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:
1.5 www 33: use Apache::Constants qw(:common);
1.1 www 34: use Text::Aspell;
35: use Apache::lonlocal;
1.11 albertel 36: use Apache::lonnet;
1.7 www 37: use Apache::lontexconvert();
1.5 www 38: use HTML::LCParser;
1.1 www 39: use strict;
1.5 www 40:
1.2 www 41: my $speller;
1.6 www 42: my $insidelink;
1.1 www 43:
1.4 www 44: sub spellcheck_language {
1.11 albertel 45: if ($env{'form.lang'}) { return $env{'form.lang'}; }
1.4 www 46: if (&mt('spellcheck_lang') ne 'spellcheck_lang') {
47: return &mt('spellcheck_lang');
48: }
49: return 'en_US';
50: }
51:
52: sub set_language {
53: my $lang=&spellcheck_language();
54: $speller->set_option('lang',$lang);
55: }
56:
1.16 ! albertel 57: {
! 58: my $uniq;
! 59: sub get_uniq {
! 60: return ++$uniq;
! 61: }
! 62: }
! 63:
1.5 www 64: sub textsection {
1.2 www 65: my $input=shift;
66: my $output='';
1.4 www 67: &set_language();
1.6 www 68: foreach my $word (split(/\b/,$input)) {
69: if (($word=~/\W/) || ($word=~/^(lt|gt|nbsp|amp)$/i)
70: || ($speller->check($word))) {
71: $output.=$word;
1.2 www 72: } else {
73: my $suggestions=join(' ',$speller->suggest($word));
1.16 ! albertel 74: $suggestions = "<script>alert('sug')</script>".$suggestions;
! 75: $suggestions = &Apache::loncommon::js_ready($suggestions);
1.6 www 76: if (($suggestions) && (!$insidelink)) {
1.13 albertel 77: my $start_page=
78: &Apache::loncommon::start_page('Speller Suggestions',undef,
1.15 albertel 79: {'only_body' => 1,
80: 'js_ready' => 1,
81: 'bgcolor' => '#FFFFFF'});
1.13 albertel 82: my $end_page=
1.16 ! albertel 83: &Apache::loncommon::end_page({'js_ready' => 1,});
! 84: my $num = &get_uniq();
! 85: my $info ='<h3>'.$word.'</h3>'.$suggestions;
! 86: $output .= "<script type=\"text/javascript\">
! 87: //<!--
! 88: function LONCAPA_lonspeller_$num() {
! 89: spellwin=open(".&Apache::lonhtmlcommon::javascript_nothing().",'spellwin','width=140,height=280,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
! 90: spellwin.".&Apache::lonhtmlcommon::javascript_docopen().";
! 91: spellwin.document.writeln('$start_page $info $end_page');
! 92: spellwin.document.close();
! 93: spellwin.focus();
! 94: }
! 95: //-->
! 96: </script><a href=\"javascript:LONCAPA_lonspeller_$num();void(0);\">";
1.2 www 97: }
98: $output.='<font color="red">'.$word.'</font>';
1.6 www 99: if (($suggestions) && (!$insidelink)) { $output.='</a>'; }
1.2 www 100: }
101: }
102: return $output;
103: }
104:
1.5 www 105:
106: sub markeduptext {
107: my $input=shift;
108: my $output='';
109: my $parser=HTML::LCParser->new(\$input);
1.6 www 110: $insidelink=0;
1.5 www 111: my $token;
112: while ($token=$parser->get_token) {
113: if ($token->[0] eq 'T') {
114: $output.=&textsection($token->[1]);
115: } elsif ($token->[0] eq 'S') {
116: $output.=$token->[4];
1.6 www 117: foreach my $tag ('m','script') {
118: if ($token->[1] eq $tag) {
119: $output.=$parser->get_text('/'.$tag);
120: }
121: }
122: if ($token->[1] eq 'a') {
123: $insidelink=1;
1.5 www 124: }
125: } elsif ($token->[0] eq 'E') {
126: $output.=$token->[2];
1.6 www 127: if ($token->[1] eq 'a') {
128: $insidelink=0;
129: }
1.5 www 130: }
131: }
1.6 www 132: $insidelink=0;
1.5 www 133: return $output;
134: }
135:
1.3 www 136: sub initspeller {
137: unless (defined($speller)) {
138: $speller = Text::Aspell->new;
139: $speller->set_option('lang','en_US');
140: }
1.6 www 141: $insidelink=0;
1.3 www 142: }
143:
144: sub handler {
145: my $r = shift;
146: &Apache::loncommon::content_type($r,'text/html');
147: $r->send_http_header;
148: return OK if $r->header_only;
149:
150: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
151:
152: &initspeller();
1.14 albertel 153: my $start_page =
154: &Apache::loncommon::start_page('Spell Checker',undef,
155: {'only_body' => 1,
156: 'bgcolor' => '#DDDDDD'});
157: $r->print($start_page.
1.7 www 158: &Apache::lontexconvert::msgtexconverted(
1.11 albertel 159: &markeduptext($env{'form.text'})).
1.12 albertel 160: &Apache::loncommon::end_page());
1.3 www 161: return OK;
162: }
163:
1.2 www 164: BEGIN {
1.3 www 165: &initspeller();
1.1 www 166: }
167:
168: 1;
169:
170: __END__
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