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Annotation of loncom/interface/lonmainmenu.pm, revision 1.8.4.12

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # displays the main menu
                      3: #
1.8.4.12! raeburn     4: # $Id: lonmainmenu.pm,v 1.8.4.11 2010/12/05 16:39:33 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'};
1.8.4.11  raeburn    58: 
                     59:     my %cicourses;
                     60:     my $udom = $env{'user.domain'};
                     61:     my %allnums = &Apache::loncommon::get_faculty_cnums();
1.8.4.12! raeburn    62:     if (($udom ne '') && (ref($allnums{$udom}) eq 'HASH')) {
1.8.4.11  raeburn    63:         foreach my $key (%{$allnums{$udom}}) {
                     64:             $cicourses{$udom.'_'.$key} = $allnums{$udom}->{$key};
                     65:         }
                     66:     }
                     67: 
                     68:     if (($custommenu && $cid ne '' && ($cicourses{$cid} || $env{'request.role'} !~ m{^cc\./\Q$udom\Etest/})) || 
                     69:         ($cid ne '' && $env{'user.domain'} =~ /^\w+citest$/)) {
1.8.4.8   raeburn    70:         $r->internal_redirect('/adm/navmaps');
                     71:         return OK;
                     72:     }
                     73: 
                     74:     my $form; 
1.7       www        75:     if ($env{'environment.remote'} ne 'off') {
1.1       albertel   76: 	$form=&Apache::lonmenu::serverform();
                     77:     }
1.3       albertel   78: 
1.8.4.8   raeburn    79:     my $script_tag;
1.1       albertel   80:     if ($env{'environment.remote'} ne 'off') {
                     81:         my $utility=&Apache::lonmenu::utilityfunctions('/adm/menu');
                     82:         $script_tag=(<<ENDSCRIPT);
                     83: <script type="text/javascript">
                     84: $utility
                     85: </script>
                     86: ENDSCRIPT
                     87:     }
                     88: # ---- Print the screen, pretend to be in text mode to generate text-based menu
1.8       www        89: # temporarily set interface to "faketextual" and remote to "off", which renders
                     90: # the main menu
1.7       www        91:     $env{'browser.interface'}='faketextual';
                     92:     $env{'environment.remote'}='off';
                     93: 
1.8.4.8   raeburn    94:     # Breadcrumbs
1.8.4.10  raeburn    95:     my ($nocrumbs,$args);
                     96:     if ($custommenu) {
                     97:         if ($env{'request.course.id'}) {
1.8.4.11  raeburn    98:             unless ($cicourses{$env{'request.course.id'}}) {
1.8.4.10  raeburn    99:                 $nocrumbs = 1;
                    100:             }
                    101:         } else {
                    102:             $nocrumbs = 1;
                    103:         }
                    104:     }
                    105:     unless ($nocrumbs) {
1.8.4.8   raeburn   106:         my $brcrum = [];
                    107:         $args = {bread_crumbs => $brcrum};
                    108:     }
                    109:     $r->print(&Apache::loncommon::start_page('Main Menu',$script_tag,$args));
                    110: 
                    111:     my ($rolecount,$numcourses) = (0,0);
1.8.4.9   raeburn   112:     my $now = time;
1.8.4.11  raeburn   113:     unless (($custommenu) || ($env{'user.domain'} =~ /^\w+citest$/)) {
1.8.4.7   raeburn   114:        foreach my $envkey (keys(%env)) {
                    115:           next unless ($envkey =~ /^user\.role\./);
1.8.4.9   raeburn   116:           my ($start,$end) = split(/\./,$env{$envkey});
                    117:           if (($start eq '' || $start <= $now) && ($end eq '' || $end > $now)) { 
                    118:               $rolecount ++;
                    119:           }
1.8.4.7   raeburn   120:        }
                    121:     }
1.8.4.1   raeburn   122:     if ($custommenu) {
1.8.4.8   raeburn   123:         $r->print(&Apache::lonmenu::inlinemenu('gcicustom').$form);
1.8.4.7   raeburn   124:     } elsif (!$rolecount) {
                    125:         $r->print(&Apache::lonmenu::inlinemenu('gcinorole').$form);
1.8.4.1   raeburn   126:     } else {
                    127:         $r->print(&Apache::lonmenu::inlinemenu().$form);
                    128:     }
1.1       albertel  129:     $r->print(&Apache::loncommon::end_page());
                    130:     return OK;
                    131: }
                    132: 
                    133: 1;
                    134: __END__
                    135: 
                    136: 
                    137: 
                    138: 
                    139: 
                    140: 
                    141: