# The LearningOnline Network with CAPA # tags that create controlled output # # $Id: outputtags.pm,v 1.34 2003/10/13 19:32:31 albertel 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/ # package Apache::outputtags; use strict; use Apache::lonnet; use POSIX qw(strftime); BEGIN { &Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle','displayweight')); } sub initialize_outputtags { %Apache::outputtags::showonce=(); } sub start_displayduedate { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if (exists($Apache::outputtags::showonce{'displayduedate'})) { return ''; } else { $Apache::outputtags::showonce{'displayduedate'}=1; } my $status=$Apache::inputtags::status['-1']; &Apache::lonxml::debug("got a $status in duedatebox"); my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval); if (($status =~ /CAN.*_ANSWER/) && ($target eq 'web')) { # my $format = &Apache::lonxml::get_param('format',$parstack,$safeeval); # if ($format eq '') { # &Apache::lonxml::debug("using default format"); # $format="%c"; # } my $id = $Apache::inputtags::part; my $date = &Apache::lonnet::EXT("resource.$id.duedate"); &Apache::lonxml::debug("duedatebox found $date for $id"); if (lc($style) !~ 'plain') { $result ='
Due '. &Apache::lonnavmaps::timeToHumanString($date). '
'; } else { $result=&mt('Due').' '.&Apache::lonnavmaps::timeToHumanString($date); } # } else { # $result ='
No due date set.
'; # } } elsif ( $target eq 'edit' ) { $result=&Apache::edit::tag_start($target,$token); $result.=''; $result.=&Apache::edit::end_table(); } return $result; } sub end_displayduedate { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my @result; if ($target eq 'edit') { $result[1]='no'; } return @result; } sub start_displaytitle { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result=''; if (exists($Apache::outputtags::showonce{'displayduetitle'})) { return ''; } else { $Apache::outputtags::showonce{'displayduetitle'}=1; } my $name=&Apache::structuretags::get_resource_name(); my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval); if ($target eq 'web') { $result=$name; if (lc($style) !~ 'plain') { $result="

$name

"; } } elsif ($target eq 'edit') { $result=&Apache::edit::tag_start($target,$token); $result.=''; $result.=&Apache::edit::end_table(); } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') { $name=&Apache::lonxml::latex_special_symbols($name); if (lc($style) !~ 'plain') { $result='\vskip 0 mm\noindent\textbf{'.$name.'}\vskip 0 mm'; } else { $result=$name; } } return $result; } sub end_displaytitle { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my @result; if ($target eq 'edit') { $result[1]='no'; } return @result; } sub multipart { my ($uri)=@_; if (!defined($uri)) { $uri=$ENV{'request.uri'}; } my @parts; my $metadata = &Apache::lonnet::metadata($uri,'packages'); foreach (split(/\,/,$metadata)) { if ($_ =~ /^part_(.*)$/) { my $part = $1; if ($part ne '0') { push(@parts,$part); } } } return @parts; } sub start_displayweight { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $result; if (exists($Apache::outputtags::showonce{'displayweight'})) { if(grep(/^\Q$Apache::inputtags::part\E$/, @{$Apache::outputtags::showonce{'displayweight'}})) { return ''; } } push(@{$Apache::outputtags::showonce{'displayweight'}}, $Apache::inputtags::part); if ($target eq 'web' || $target eq 'tex') { my $id = $Apache::inputtags::part; if ($id ne '0') { my $weight = &Apache::lonnet::EXT("resource.$id.weight"); if (!defined($weight) || ($weight eq '')) { $weight=1; } $result.=$weight; } else { my @parts=&multipart($ENV{'request.uri'}); my $weight; if (@parts) { foreach my $part (@parts) { my $pweight=&Apache::lonnet::EXT("resource.$part.weight"); if (!defined($pweight) || ($pweight eq '')) { $pweight=1; } $weight+=$pweight; } } else { $weight = &Apache::lonnet::EXT("resource.$id.weight"); if (!defined($weight) || ($weight eq '')) { $weight=1; } } $result=$weight; } } elsif ( $target eq 'edit' ) { $result=&Apache::edit::tag_start($target,$token); $result.=''; $result.=&Apache::edit::end_table(); } return $result; } sub end_displayweight { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my @result; if ($target eq 'edit') { $result[1]='no'; } return @result; } 1; __END__