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Annotation of loncom/interface/lonmainmenu.pm, revision 1.8.4.10

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # displays the main menu
                      3: #
1.8.4.10! raeburn     4: # $Id: lonmainmenu.pm,v 1.8.4.9 2010/10/07 15:25:08 raeburn Exp $
1.1       albertel    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: # There are two parameters controlling the action of this module:
                     30: #
                     31: # browser.interface - if this is 'textual', it overrides the second parameter
                     32: # and goes to screen reader PDA mode
                     33: #
                     34: # environment.remote - if this is 'on', the routines controll the remote
                     35: # control, otherwise they render the main window controls; ignored it
                     36: # browser.interface is 'textual'
                     37: #
                     38: 
                     39: package Apache::lonmainmenu;
                     40: 
                     41: use strict;
                     42: use Apache::Constants qw(:common);
                     43: use Apache::loncommon();
1.2       albertel   44: use Apache::lonnet;
                     45: use Apache::lonmenu();
1.8.4.1   raeburn    46: use Apache::lonlocal;
                     47: use LONCAPA qw(:DEFAULT :match);
1.1       albertel   48: 
                     49: sub handler {
                     50:     my $r = shift;
                     51:     &Apache::loncommon::no_cache($r);
                     52:     &Apache::loncommon::content_type($r,'text/html');
                     53:     $r->send_http_header;
                     54:     return OK if $r->header_only;
                     55: 
1.8.4.8   raeburn    56:     my $custommenu = &Apache::loncommon::needs_gci_custom();
                     57:     my $cid = $env{'request.course.id'};
                     58:     my %gcicourses = (
                     59:                        gci_9615072b469884921gcil1 => 'review',
                     60:                        gci_1H96711d710194bfegcil1 => 'submit',
                     61:                        gci_5422913620b814c90gcil1 => 'tutorial',
                     62:                      );
                     63:     if (($custommenu && $cid ne '' && ($gcicourses{$cid} || $env{'request.role'} !~ m{^cc\./gcitest/})) || 
1.8.4.9   raeburn    64:         ($cid ne '' && $env{'user.domain'} eq 'gcitest')) {
1.8.4.8   raeburn    65:         $r->internal_redirect('/adm/navmaps');
                     66:         return OK;
                     67:     }
                     68: 
                     69:     my $form; 
1.7       www        70:     if ($env{'environment.remote'} ne 'off') {
1.1       albertel   71: 	$form=&Apache::lonmenu::serverform();
                     72:     }
1.3       albertel   73: 
1.8.4.8   raeburn    74:     my $script_tag;
1.1       albertel   75:     if ($env{'environment.remote'} ne 'off') {
                     76:         my $utility=&Apache::lonmenu::utilityfunctions('/adm/menu');
                     77:         $script_tag=(<<ENDSCRIPT);
                     78: <script type="text/javascript">
                     79: $utility
                     80: </script>
                     81: ENDSCRIPT
                     82:     }
                     83: # ---- Print the screen, pretend to be in text mode to generate text-based menu
1.8       www        84: # temporarily set interface to "faketextual" and remote to "off", which renders
                     85: # the main menu
1.7       www        86:     $env{'browser.interface'}='faketextual';
                     87:     $env{'environment.remote'}='off';
                     88: 
1.8.4.8   raeburn    89:     # Breadcrumbs
1.8.4.10! raeburn    90:     my ($nocrumbs,$args);
        !            91:     if ($custommenu) {
        !            92:         if ($env{'request.course.id'}) {
        !            93:             unless ($gcicourses{$env{'request.course.id'}}) {
        !            94:                 $nocrumbs = 1;
        !            95:             }
        !            96:         } else {
        !            97:             $nocrumbs = 1;
        !            98:         }
        !            99:     }
        !           100:     unless ($nocrumbs) {
1.8.4.8   raeburn   101:         my $brcrum = [];
                    102:         $args = {bread_crumbs => $brcrum};
                    103:     }
                    104:     $r->print(&Apache::loncommon::start_page('Main Menu',$script_tag,$args));
                    105: 
                    106:     my ($rolecount,$numcourses) = (0,0);
1.8.4.9   raeburn   107:     my $now = time;
1.8.4.7   raeburn   108:     unless (($custommenu) || ($env{'user.domain'} eq 'gcitest')) {
                    109:        foreach my $envkey (keys(%env)) {
                    110:           next unless ($envkey =~ /^user\.role\./);
1.8.4.9   raeburn   111:           my ($start,$end) = split(/\./,$env{$envkey});
                    112:           if (($start eq '' || $start <= $now) && ($end eq '' || $end > $now)) { 
                    113:               $rolecount ++;
                    114:           }
1.8.4.7   raeburn   115:        }
                    116:     }
1.8.4.1   raeburn   117:     if ($custommenu) {
1.8.4.8   raeburn   118:         $r->print(&Apache::lonmenu::inlinemenu('gcicustom').$form);
1.8.4.7   raeburn   119:     } elsif (!$rolecount) {
                    120:         $r->print(&Apache::lonmenu::inlinemenu('gcinorole').$form);
1.8.4.1   raeburn   121:     } else {
                    122:         $r->print(&Apache::lonmenu::inlinemenu().$form);
                    123:     }
1.1       albertel  124:     $r->print(&Apache::loncommon::end_page());
                    125:     return OK;
                    126: }
                    127: 
                    128: 1;
                    129: __END__
                    130: 
                    131: 
                    132: 
                    133: 
                    134: 
                    135: 
                    136: