# The LearningOnline Network # Printout # # $Id: lonprintout.pm,v 1.13 2002/01/22 10:42:57 sakharuk 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/ # # (Internal Server Error Handler # # (Login Screen # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) # # 3/1/1 Gerd Kortemeyer) # # 3/1 Gerd Kortemeyer # # 9/17 Alex Sakharuk # package Apache::lonprintout; use strict; use Apache::Constants qw(:common :http); use Apache::lonxml; use Apache::lonnet; use Apache::inputtags; use Apache::edit; use Apache::File(); sub headerform { my $r = shift; $r->print(< LON-CAPA output for printing

Printout:

ENDHEADER } sub menu_for_output { my $r = shift; $r->print(< Standard LaTeX output for current document
Standard LaTeX output for the primary sequence
Standard LaTeX output for the top level sequence
ENDMENUOUT } sub output_data { my $r = shift; $r->print(< LON-CAPA output for printing

ENDPART my $choice = $ENV{'form.choice'}; my $result = ''; my %mystyle; my $filename; if ($choice eq 'Standard LaTeX output for current document') { $_ = $ENV{'form.url'}; if (/\.problem/) { my %moreenv; $moreenv{'form.grade_target'}='tex'; &Apache::lonnet::appenv(%moreenv); my $texversion=&Apache::lonnet::ssi($ENV{'form.url'}); &Apache::lonnet::delenv('form.grade_target'); $texversion =~ s!\.gif!\.eps!; $result .= $texversion; } else { my $file=&Apache::lonnet::filelocation("",$ENV{'form.url'}); my $filecontents=&Apache::lonnet::getfile($file); $result = &Apache::lonxml::xmlparse('tex',$filecontents,'',%mystyle); } } elsif ($choice eq 'Standard LaTeX output for the primary sequence') { my @master_seq = (); my $keyword = 0; my $output_seq = ''; my $current_file = '/res/'.$ENV{'request.ambiguous'}; $current_file =~ s/(\/res\/physnet\/physnet)(\/m\d+)\/(.*)/$1$2$2\.sequence/; while ($current_file ne '') { my $file=&Apache::lonnet::filelocation("",$current_file); my $filecontents=&Apache::lonnet::getfile($file); my @file_seq = &content_map($filecontents); if (defined @file_seq) { #-- adding an additional array to the master one if (defined @master_seq) { my $old_value = $#master_seq; my $total_value = $#master_seq + $#file_seq +2; for (my $j=0; $j<=$old_value-$keyword+1; $j++) { $master_seq[$total_value-$j] = $master_seq[$old_value-$j]; } for (my $j=0; $j<=$#file_seq; $j++){ $master_seq[$keyword+$j] = $file_seq[$j]; } @file_seq = (); $keyword = 0; } else { @master_seq = @file_seq; @file_seq = (); } } #-- checking wether .sequence file is among the set of files $current_file = ''; for (my $i=0; $i<=$#file_seq; $i++) { $_ = $file_seq[$i]; if (m/(.*)\.sequence/) { $current_file = $_; $keyword = $i; last; } } } #-- produce an output string for (my $i=0;$i<=$#master_seq;$i++) { $_ = $master_seq[$i]; m/\"(.*)\"/; if (index($1,'-tc.xml',0)==-1) { my $file=&Apache::lonnet::filelocation("",$1); my $filecontents=&Apache::lonnet::getfile($file); $output_seq .= $filecontents; } } #-- cleanup of output string (temporary cbi-specific) $output_seq =~ s///g; $output_seq =~ s/<\/physnet>//g; $output_seq = ''.$output_seq.' '; #-- final accord $result = &Apache::lonxml::xmlparse('tex',$output_seq,'',%mystyle); } elsif ($choice eq 'Standard LaTeX output for the top level sequence') { #-- where is the main sequence of the course? my @master_seq = (); my $keyword = 0; my $output_seq = ''; my $main_seq = '/res/'.$ENV{'request.course.uri'}; my $file=&Apache::lonnet::filelocation("",$main_seq); my $filecontents=&Apache::lonnet::getfile($file); my @file_seq = &content_map($filecontents); #-- temporary solution (without sequence inside sequence) - have to be generalized # if (defined @master_seq) { # my $old_value = $#master_seq; # my $total_value = $#master_seq + $#file_seq +2; # for (my $j=0; $j<=$old_value-$keyword+1; $j++) { # $master_seq[$total_value-$j] = $master_seq[$old_value-$j]; # } # for (my $j=0; $j<=$#file_seq; $j++){ # $master_seq[$keyword+$j] = $file_seq[$j]; # } # @file_seq = (); # $keyword = 0; # } else { @master_seq = @file_seq; # @file_seq = (); # } #-- checking wether .sequence file is among the set of files # my $current_file = ''; # for (my $i=0; $i<=$#file_seq; $i++) { # $_ = $file_seq[$i]; # if (m/(.*)\.sequence/) { # $current_file = $_; # $keyword = $i; # last; # } # } #-- produce an output string for (my $i=0;$i<=$#master_seq;$i++) { $_ = $master_seq[$i]; m/\"(.*)\"/; $_ = $1; my $urlp = $1; if (/\.problem/) { my %moreenv; $moreenv{'form.grade_target'}='tex'; &Apache::lonnet::appenv(%moreenv); my $texversion=&Apache::lonnet::ssi($urlp); &Apache::lonnet::delenv('form.grade_target'); $texversion =~ s!\.gif!\.eps!; $result .= $texversion; } } #-- additional cleanup for output my $first_app = index($result,'\documentclass',0); $first_app = index($result,'\documentclass',$first_app+5); while ($first_app != -1) { my $second_app = index($result,'begin{document}',$first_app); $first_app = rindex($result,'\end{document}',$first_app); substr($result,$first_app,$second_app-$first_app+15) = '\vskip 7 mm'; $first_app = index($result,'\documentclass',$first_app+5); } } #-- writing .tex file in prtspool { my $temp_file; $filename = "/home/httpd/prtspool/$ENV{'environment.firstname'}$ENV{'environment.lastname'}temp$ENV{'user.login.time'}.tex"; unless ($temp_file = Apache::File->new('>'.$filename)) { $r->log_error("Couldn't open $filename for output $!"); return SERVER_ERROR; } print $temp_file $result; } $r->print(< FINALEND } sub content_map { #-- find a list of files to print my $map_string = shift; my @number_seq = (); my @file_seq = (); my $startlink = index($map_string,'',$startlink); my $chunk = substr($map_string,$startlink,$endlink-$startlink+7); $_ = $chunk; m/from=\"(\d+)\"/; push @number_seq,$1; while ($startlink != -1) { $endlink = index($map_string,'',$startlink); $chunk = substr($map_string,$startlink,$endlink-$startlink+7); substr($map_string,$startlink,$endlink-$startlink+7) = ''; $_ = $chunk; m/to=\"(\d+)\"/; push @number_seq,$1; $startlink = index($map_string,'from="'.$1.'"',$startlink); } my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink); while ($stalink != -1) { $startlink = rindex($map_string,'',$startlink); $chunk = substr($map_string,$startlink,$endlink-$startlink+7); substr($map_string,$startlink,$endlink-$startlink+7) = ''; $_ = $chunk; m/from=\"(\d+)\"/; unshift @number_seq,$1; $stalink = index($map_string,' to="'.$number_seq[0].'"',0); } for (my $i=0;$i<=$#number_seq;$i++) { $stalink = index($map_string,' id="'.$number_seq[$i].'"',0); { my $ahed1 = index($map_string,'src="',$stalink); my $ahed2 = index($map_string,'',$stalink); if ($ahed1 != -1) { if ($ahed1 < $ahed2) { $startlink = $ahed1; } else { $startlink = rindex($map_string,'src="',$stalink); } } else { $startlink = rindex($map_string,'src="',$stalink); } } $startlink = index($map_string,'"',$startlink); $endlink = index($map_string,'"',$startlink+1); $chunk = substr($map_string,$startlink,$endlink-$startlink+1); push @file_seq,$chunk; } return @file_seq; } sub handler { my $r = shift; $r->content_type('text/html'); $r->send_http_header; #-- start form &headerform($r); #-- menu for output unless ($ENV{'form.phase'}) { &menu_for_output($r); } #-- core part if ($ENV{'form.phase'} eq 'two') { &output_data($r); } return OK; } 1; __END__ #### Test block # my $ere; # foreach $ere (%ENV) { # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n"; # } ####