--- loncom/homework/outputtags.pm 2001/06/02 03:59:59 1.8 +++ loncom/homework/outputtags.pm 2003/05/03 21:09:03 1.29 @@ -1,53 +1,169 @@ +# The LearningOnline Network with CAPA +# tags that create controlled output +# +# $Id: outputtags.pm,v 1.29 2003/05/03 21:09:03 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); -sub BEGIN { - &Apache::lonxml::register('Apache::outputtags',('displayduedate','displaytitle')); +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; - my $status=$Apache::inputtags::status['-1']; - &Apache::lonxml::debug("got a $status in duedatebox"); - if (($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 $id"); - if ($date) { - $result ='
Due at '. - POSIX::strftime($format,localtime($date)). - '
'; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + my $result; + if (exists($Apache::outputtags::showonce{'displayduedate'})) { + return ''; } else { - $result ='
No due date set.
'; + $Apache::outputtags::showonce{'displayduedate'}=1; + } + my $status=$Apache::inputtags::status['-1']; + &Apache::lonxml::debug("got a $status in duedatebox"); + if (($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"); + $result ='
Due '. + &Apache::lonnavmaps::timeToHumanString($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; + return $result; } sub end_displayduedate { - return ''; + my ($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 $result=''; - if ($target eq 'web') { - $result="

$Apache::lonhomework::name

"; - } - return $result; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + my $result=''; + if (exists($Apache::outputtags::showonce{'displayduetitle'})) { + return ''; + } else { + $Apache::outputtags::showonce{'displayduetitle'}=1; + } + if ($target eq 'web') { + $result="

$Apache::lonhomework::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') { + $Apache::lonhomework::name=~s/%/\%/g; + $Apache::lonhomework::name=~s/&/\&/g; + $result='\vskip 0 mm\noindent\textbf{'.$Apache::lonhomework::name.'}\vskip 0 mm'; + } + return $result; } sub end_displaytitle { - return ''; + my ($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); + my $status=$Apache::inputtags::status['-1']; + 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; + foreach my $part (@parts) { + my $pweight=&Apache::lonnet::EXT("resource.$part.weight"); + if (!defined($pweight) || ($pweight eq '')) { $pweight=1; } + $weight+=$pweight; + } + $result=$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; 500 Internal Server Error

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