--- 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(<<ENDHEADER);
+<html>
+<head>
+<title>LON-CAPA output for printing</title>
+</head>
+<body bgcolor="FFFFFF">
+<form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
+<h1>What do you want to print? Make a choice.</h1><br />
+ENDHEADER
+}
+
+
+sub menu_for_output {
+ my $r = shift;
+ $r->print(<<ENDMENUOUT);
+<input type="hidden" name="phase" value="two">
+<input type="hidden" name="url" value="$ENV{'form.postdata'}">
+<input type="radio" name="choice" value="Standard LaTeX output for current document"> Current document
+(you will print what you see on the screen)<br />
+<input type="radio" name="choice" value="Standard LaTeX output for the primary sequence"> Standard LaTeX output for the primary sequence<br />
+<input type="radio" name="choice" value="Standard LaTeX output for the top level sequence"> All documents from the top level sequence<br />
+<br /><hr /><br />
+<h1>And what page format do you prefer?</h1>
+<input type="radio" name="layout" value="CBI" checked> CBI <br />
+<input type="radio" name="layout" value="CAPA"> CAPA <br />
+<input type="submit" value="Submit your choice">
+</form>
+</body>
+</html>
+ENDMENUOUT
+}
+
+
+
-# --------------------------------------------------- Print login screen header
- $r->print(<<ENDDOCUMENT);
+sub output_data {
+ my $r = shift;
+ $r->print(<<ENDPART);
<html>
<head>
-<title>The LearningOnline Network with CAPA</title>
+<title>LON-CAPA output for printing</title>
</head>
-<body bgcolor="#FFFFFF">
-<h1>Printout</h1>
-<img src="/adm/lonKaputt/lonconstruct.gif">
+<body bgcolor="FFFFFF">
+<hr>
+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(<<FINALEND);
+<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle">
</body>
</html>
-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,'<link',0);
+ my $endlink = index($map_string,'</link>',$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,'</link>',$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,'<link ',$startlink);
+ }
+ my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
+ while ($stalink != -1) {
+ $startlink = rindex($map_string,'<link ',$stalink);
+ $endlink = index($map_string,'</link>',$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,'</resource>',$stalink);
+ if ($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";
+# }
+####