--- loncom/interface/lonprintout.pm 2001/01/03 16:20:59 1.1 +++ loncom/interface/lonprintout.pm 2002/03/21 16:15:34 1.18 @@ -1,6 +1,30 @@ # The LearningOnline Network # Printout # +# $Id: lonprintout.pm,v 1.18 2002/03/21 16:15:34 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 @@ -11,31 +35,315 @@ # # 3/1 Gerd Kortemeyer # +# 9/17 Alex Sakharuk +# package Apache::lonprintout; use strict; -use Apache::Constants qw(:common); +use Apache::Constants qw(:common :http); +use Apache::lonxml; +use Apache::lonnet; +use Apache::inputtags; +use Apache::edit; +use Apache::File(); -sub handler { + + +sub headerform { my $r = shift; - $r->content_type('text/html'); - $r->send_http_header; - return OK if $r->header_only; + $r->print(< + +LON-CAPA output for printing + + +
+

What do you want to print? Make a choice.


+ENDHEADER +} + + +sub menu_for_output { + my $r = shift; + $r->print(< + + Current document +(you will print what you see on the screen)
+ Standard LaTeX output for the primary sequence
+ All documents from the top level sequence
+

+

And what page format do you prefer?

+ CBI
+ CAPA
+ + + + +ENDMENUOUT +} + + + -# --------------------------------------------------- Print login screen header - $r->print(<print(< -The LearningOnline Network with CAPA +LON-CAPA output for printing - -

Printout

- + +
+ENDPART + + my $choice = $ENV{'form.choice'}; + my $layout = $ENV{'form.layout'}; + my $laystyle = 'book'; + my $result = ''; + my %mystyle; + my $filename; + + if ($choice eq 'Standard LaTeX output for current document') { + my %moreenv; + my $currequest=$ENV{'request.filename'}; + $moreenv{'form.grade_target'}='tex'; + $moreenv{'request.filename'}=$ENV{'form.url'}; + &Apache::lonnet::appenv(%moreenv); + my $texversion=&Apache::lonnet::ssi($ENV{'form.url'}); + &Apache::lonnet::delenv('form.grade_target'); + %moreenv = (); + $moreenv{'request.filename'}=$currequest; + &Apache::lonnet::appenv(%moreenv); + $result .= $texversion; + + } elsif ($choice eq 'Standard LaTeX output for the primary sequence') { +#-- where is the primary sequence containing file? + my %moreenv; + my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); + $_ = $symbolic; + m/([^_]+)_/; + my $primary_sequence = '/res/'.$1; +#-- open and analyses the primary sequence + my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence); + my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file); + my @master_seq = &content_map($sequencefilecontents); +#-- 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',$first_app+5); + } + } elsif ($choice eq 'Standard LaTeX output for the top level sequence') { + my @master_seq = (); + my $keyword = 0; + my $output_seq = ''; +#-- where is the main sequence of the course? + 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',$first_app+5); + } + } +#-- corrections for the different page formats + if ($layout eq 'CBI') { + $result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/; + $laystyle = 'album'; + } elsif ($layout eq 'CAPA') { + my $courseidinfo = $ENV{'request.role'}; + $_ = $courseidinfo; + m/.*\/(.*)/; + $courseidinfo = $ENV{'course.physnet_'.$1.'.description'}; + $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/; + $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /; + $result =~ s/\\includegraphics/\\includegraphics\[width=9\.0 cm\]/g; + } +#-- LaTeX corrections + $result =~ s/^\s+$//gm; #remove empty lines + $result =~ s/%/\\%/g; #corrects % +#-- 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(< -ENDDOCUMENT +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); + $startlink = rindex($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"; +# } +####