Annotation of loncom/interface/lonchat.pm, revision 1.16
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Chat
1.1 www 3: #
1.16 ! raeburn 4: # $Id: lonchat.pm,v 1.15 2006/07/17 16:10:57 raeburn Exp $
1.1 www 5: #
1.3 www 6: # Copyright Michigan State University Board of Trustees
1.1 www 7: #
1.3 www 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.1 www 9: #
1.3 www 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.
1.1 www 14: #
1.3 www 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:
1.2 www 29: package Apache::lonchat;
1.1 www 30:
31: use strict;
1.7 matthew 32: use Apache::Constants qw(:common :http);
1.5 bowersj2 33: use Apache::loncommon;
1.10 albertel 34: use Apache::lonnet;
1.16 ! raeburn 35: use Apache::lonlocal;
1.1 www 36:
37: sub handler {
38: my $r = shift;
1.9 albertel 39: &Apache::loncommon::content_type($r,'text/html');
1.1 www 40: $r->send_http_header;
41: return OK if $r->header_only;
1.12 raeburn 42:
43: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['group']);
44: my ($group,$group_elem);
45: if (defined($env{'form.group'})) {
46: $group = $env{'form.group'};
47: $group_elem = '<input type="hidden" name="group" value="'.$group.'" />';
1.14 raeburn 48: if ((! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'.
49: $group))
1.15 raeburn 50: && (! &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
1.12 raeburn 51: return HTTP_NOT_ACCEPTABLE;
52: }
53: } else {
54: if (! &Apache::lonnet::allowed('plc',$env{'request.course.id'}.
1.10 albertel 55: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')
1.7 matthew 56: )) {
1.12 raeburn 57: return HTTP_NOT_ACCEPTABLE;
58: }
1.7 matthew 59: }
1.1 www 60:
1.10 albertel 61: if ($env{'form.newchat'}) {
1.12 raeburn 62: &Apache::lonnet::chatsend(&Apache::lonfeedback::clear_out_html($env{'form.newchat'}),$env{'form.anonymous'},$group);
1.3 www 63: }
1.1 www 64: # --------------------------------------------------- Print login screen header
1.5 bowersj2 65: my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
1.13 albertel 66: my %loaditems = (onload => 'this.document.chatentry.newchat.focus();');
1.11 albertel 67: my $start_page =
68: &Apache::loncommon::start_page('Chat',undef,
69: {'only_body' => 1,
1.13 albertel 70: 'add_entries' => \%loaditems,});
1.11 albertel 71: my $end_page = &Apache::loncommon::end_page();
1.16 ! raeburn 72: my %lt = &Apache::lonlocal::texthash(
! 73: anon => 'Post Anonymous',
! 74: post => 'Post',
! 75: );
1.1 www 76: $r->print(<<ENDDOCUMENT);
1.11 albertel 77: $start_page
1.4 www 78: <form method="post" name="chatentry">
1.5 bowersj2 79: $latexHelp
1.3 www 80: <input type="text" size="60" name="newchat">
1.16 ! raeburn 81: <input value="$lt{'anon'}" name="anonymous" type="submit">
! 82: <input value="$lt{'post'}" name="newentry" type="submit">
1.12 raeburn 83: $group_elem
1.3 www 84: </form>
1.11 albertel 85: $end_page
1.1 www 86: ENDDOCUMENT
87: return OK;
88: }
89:
90: 1;
91: __END__
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