Annotation of loncom/interface/lonremote.pm, revision 1.11

1.1       www         1: # The LearningOnline Network
                      2: # User Authentication Module
                      3: #
1.11    ! www         4: # $Id: lonremote.pm,v 1.10 2003/09/22 00:48:32 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: #
1.11    ! www        28: ###
1.1       www        29: 
                     30: package Apache::lonremote;
                     31: 
                     32: use strict;
                     33: use Apache::Constants qw(:common);
                     34: use Apache::loncommon();
                     35: use Apache::lonnet();
                     36: use Apache::lonmenu();
1.11    ! www        37: use Apache::lonlocal;
1.1       www        38: 
                     39: sub launchremote {
1.2       www        40:     my ($r,$lowerurl)=@_;
1.3       www        41:     &Apache::lonnet::put('environment',{'remote' => 'on'});
                     42:     &Apache::lonnet::appenv('environment.remote' => 'on');
1.1       www        43: # -------------------------------------------------------- Menu script and info
1.4       www        44:     my $windowinfo=&Apache::lonmenu::open($ENV{'browser.os'});
                     45:     my $startupremote=&Apache::lonmenu::startupremote($lowerurl);
                     46:     my $setflags=&Apache::lonmenu::setflags();
                     47:     my $maincall=&Apache::lonmenu::maincall();
1.8       www        48:     my $bodytag=&Apache::loncommon::bodytag('Launch Remote Control');
1.11    ! www        49:     my $message=&mt("Launching of the Remote Control menu will fail if pop-up window filters are active. To use the Remote Control, disable the filter for this site.");
1.2       www        50:     $r->print(<<ENDLAUNCH);
1.1       www        51: <html>
                     52: <head>
1.2       www        53: <title>The LearningOnline Network with CAPA</title>
1.4       www        54: $startupremote
1.1       www        55: </head>
                     56: $bodytag
1.4       www        57: $setflags
                     58: $windowinfo
1.5       www        59: $maincall
1.11    ! www        60: $message
1.1       www        61: </body>
                     62: </html>
1.2       www        63: ENDLAUNCH
                     64: }
                     65: 
                     66: sub collapseremote {
                     67:     my ($r,$lowerurl)=@_;
                     68: # -------------------------------------------------------- Menu script and info
1.8       www        69:     my $bodytag=&Apache::loncommon::bodytag('Collapse Remote Control');
1.4       www        70:     my $windowinfo=&Apache::lonmenu::close();
1.6       www        71:     my $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.$lowerurl.'">';
1.11    ! www        72:     my $message=&mt('The external menu (Remote Control) has been disabled, and you will be working with the smaller inline menu.\nYou may have either closed the Remote Control window, or it was blocked by a pop-up window filter in your browser.\nTo use the Remote Control, disable the filter for this site, and re-launch the Remote Control from the inline menu.'); 
1.2       www        73:     $r->print(<<ENDCOLLAPSE);
                     74: <html>
                     75: <head>
                     76: <title>The LearningOnline Network with CAPA</title>
1.6       www        77: $switch
1.2       www        78: </head>
                     79: $bodytag
1.4       www        80: $windowinfo
1.11    ! www        81: <script>
        !            82: alert("$message");
        !            83: </script>
1.2       www        84: </body>
                     85: </html>
                     86: ENDCOLLAPSE
                     87:    &Apache::lonnet::put('environment',{'remote' => 'off'});
                     88:    &Apache::lonnet::appenv('environment.remote' => 'off');
1.1       www        89: }
                     90: 
                     91: sub handler {
                     92:     my $r = shift;
1.5       www        93:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                     94:                                             ['action','url']);
1.2       www        95:     unless ($ENV{'form.action'}) {
                     96: 	if ($ENV{'environment.remote'} eq 'on') {
                     97: 	    $ENV{'form.action'}='collapse';
                     98:         } else {
                     99: 	    $ENV{'form.action'}='launch';
                    100:         }
                    101:     }
1.5       www       102: 
                    103:     my $lowerurl=$ENV{'form.url'};
1.6       www       104:     unless ($lowerurl) { $lowerurl='/adm/menu'; }
1.9       albertel  105: 
1.10      www       106:     &Apache::loncommon::content_type($r,'text/html');
1.9       albertel  107:     $r->send_http_header;
                    108:     return OK if $r->header_only;
1.5       www       109: 
1.2       www       110:     if ($ENV{'form.action'} eq 'launch') {
1.4       www       111: 	&launchremote($r,$lowerurl);
1.2       www       112:     } else {
1.4       www       113:         &collapseremote($r,$lowerurl);
1.2       www       114:     }
1.1       www       115:     return OK;
                    116: }
                    117: 
                    118: 1;
                    119: __END__
                    120: 
                    121: 

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