# The LearningOnline Network with CAPA
# displays the main menu
#
# $Id: lonmainmenu.pm,v 1.8.4.12 2010/12/05 19:43:10 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
# There are two parameters controlling the action of this module:
#
# browser.interface - if this is 'textual', it overrides the second parameter
# and goes to screen reader PDA mode
#
# environment.remote - if this is 'on', the routines controll the remote
# control, otherwise they render the main window controls; ignored it
# browser.interface is 'textual'
#
package Apache::lonmainmenu;
use strict;
use Apache::Constants qw(:common);
use Apache::loncommon();
use Apache::lonnet;
use Apache::lonmenu();
use Apache::lonlocal;
use LONCAPA qw(:DEFAULT :match);
sub handler {
my $r = shift;
&Apache::loncommon::no_cache($r);
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
my $custommenu = &Apache::loncommon::needs_gci_custom();
my $cid = $env{'request.course.id'};
my %cicourses;
my $udom = $env{'user.domain'};
my %allnums = &Apache::loncommon::get_faculty_cnums();
if (($udom ne '') && (ref($allnums{$udom}) eq 'HASH')) {
foreach my $key (%{$allnums{$udom}}) {
$cicourses{$udom.'_'.$key} = $allnums{$udom}->{$key};
}
}
if (($custommenu && $cid ne '' && ($cicourses{$cid} || $env{'request.role'} !~ m{^cc\./\Q$udom\Etest/})) ||
($cid ne '' && $env{'user.domain'} =~ /^\w+citest$/)) {
$r->internal_redirect('/adm/navmaps');
return OK;
}
my $form;
if ($env{'environment.remote'} ne 'off') {
$form=&Apache::lonmenu::serverform();
}
my $script_tag;
if ($env{'environment.remote'} ne 'off') {
my $utility=&Apache::lonmenu::utilityfunctions('/adm/menu');
$script_tag=(<<ENDSCRIPT);
<script type="text/javascript">
$utility
</script>
ENDSCRIPT
}
# ---- Print the screen, pretend to be in text mode to generate text-based menu
# temporarily set interface to "faketextual" and remote to "off", which renders
# the main menu
$env{'browser.interface'}='faketextual';
$env{'environment.remote'}='off';
# Breadcrumbs
my ($nocrumbs,$args);
if ($custommenu) {
if ($env{'request.course.id'}) {
unless ($cicourses{$env{'request.course.id'}}) {
$nocrumbs = 1;
}
} else {
$nocrumbs = 1;
}
}
unless ($nocrumbs) {
my $brcrum = [];
$args = {bread_crumbs => $brcrum};
}
$r->print(&Apache::loncommon::start_page('Main Menu',$script_tag,$args));
my ($rolecount,$numcourses) = (0,0);
my $now = time;
unless (($custommenu) || ($env{'user.domain'} =~ /^\w+citest$/)) {
foreach my $envkey (keys(%env)) {
next unless ($envkey =~ /^user\.role\./);
my ($start,$end) = split(/\./,$env{$envkey});
if (($start eq '' || $start <= $now) && ($end eq '' || $end > $now)) {
$rolecount ++;
}
}
}
if ($custommenu) {
$r->print(&Apache::lonmenu::inlinemenu('gcicustom').$form);
} elsif (!$rolecount) {
$r->print(&Apache::lonmenu::inlinemenu('gcinorole').$form);
} else {
$r->print(&Apache::lonmenu::inlinemenu().$form);
}
$r->print(&Apache::loncommon::end_page());
return OK;
}
1;
__END__
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