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File:  [LON-CAPA] / loncom / interface / lonchat.pm
Revision 1.20: download - view: text, annotated - select for diffs
Fri Oct 16 20:22:06 2009 UTC (14 years, 6 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_9_99_0, version_2_12_X, version_2_11_X, version_2_11_4_uiuc, version_2_11_4_msu, version_2_11_4, version_2_11_3_uiuc, version_2_11_3_msu, version_2_11_3, version_2_11_2_uiuc, version_2_11_2_msu, version_2_11_2_educog, version_2_11_2, version_2_11_1, version_2_11_0_RC3, version_2_11_0_RC2, version_2_11_0_RC1, version_2_11_0, version_2_10_X, version_2_10_1, version_2_10_0_RC2, version_2_10_0_RC1, version_2_10_0, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, bz6209-base, bz6209, PRINT_INCOMPLETE_base, PRINT_INCOMPLETE, HEAD, GCI_3, BZ4492-merge, BZ4492-feature_horizontal_radioresponse
- Bug 6082.
 - Enlarge width of pop-up chat window to 480.
 - Reduce text box width to 55.

    1: # The LearningOnline Network
    2: # Chat
    3: #
    4: # $Id: lonchat.pm,v 1.20 2009/10/16 20:22:06 raeburn 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: package Apache::lonchat;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::loncommon;
   34: use Apache::lonnet;
   35: use Apache::lonlocal;
   36: 
   37: sub handler {
   38:     my $r = shift;
   39:     &Apache::loncommon::content_type($r,'text/html');
   40:     $r->send_http_header;
   41:     return OK if $r->header_only;
   42:     
   43:     &Apache::loncommon::get_unprocessed_cgi($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.'" />'; 
   48:         if ((! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'.
   49:                                                                     $group))
   50:             && (! &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
   51:             return HTTP_NOT_ACCEPTABLE;
   52:         }
   53:     } else {
   54:         if (! &Apache::lonnet::allowed('plc',$env{'request.course.id'}.
   55:               ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')
   56:                                    )) {
   57:             return HTTP_NOT_ACCEPTABLE;
   58:         }
   59:     }
   60: 
   61:     if ($env{'form.newchat'}) {
   62: 	&Apache::lonnet::chatsend(&Apache::lonfeedback::clear_out_html($env{'form.newchat'}),$env{'form.anonymous'},$group);
   63:     }
   64: # --------------------------------------------------- Print login screen header
   65:     my $latexHelp = Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
   66:     my %loaditems = (onload => 'this.document.chatentry.newchat.focus();');
   67:     my $start_page = 
   68: 	&Apache::loncommon::start_page('Chat Room',undef,
   69: 				       {'only_body'   => 1,
   70: 					'add_entries' => \%loaditems,});
   71:     my $end_page = &Apache::loncommon::end_page();
   72:     my %lt = &Apache::lonlocal::texthash(
   73:                                         anon => 'Post Anonymous',
   74:                                         post => 'Post',
   75:                                       );         
   76:     $r->print(<<ENDDOCUMENT);
   77: $start_page
   78: <form method="post" name="chatentry">
   79: $latexHelp
   80: <input type="text" size="55" name="newchat" />
   81: <input value="$lt{'anon'}" name="anonymous" type="submit" />
   82: <input value="$lt{'post'}" name="newentry" type="submit" />
   83: $group_elem
   84: </form>
   85: $end_page
   86: ENDDOCUMENT
   87:     return OK;
   88: } 
   89: 
   90: 1;
   91: __END__
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