version 1.2, 2001/08/21 15:59:08
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version 1.21, 2002/04/10 16:21:33
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# The LearningOnline Network |
# The LearningOnline Network |
# Printout |
# Printout |
# |
# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# (Internal Server Error Handler |
# (Internal Server Error Handler |
# |
# |
# (Login Screen |
# (Login Screen |
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# |
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# 3/1 Gerd Kortemeyer |
# 3/1 Gerd Kortemeyer |
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# |
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# 9/17 Alex Sakharuk |
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# |
package Apache::lonprintout; |
package Apache::lonprintout; |
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common :http); |
use Apache::lonxml; |
use Apache::lonxml; |
use Apache::lonnet; |
use Apache::lonnet; |
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use Apache::inputtags; |
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use Apache::edit; |
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use Apache::File(); |
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sub handler { |
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sub headerform { |
my $r = shift; |
my $r = shift; |
$r->content_type('text/html'); |
$r->print(<<ENDHEADER); |
$r->send_http_header; |
<html> |
return OK if $r->header_only; |
<head> |
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<title>LON-CAPA output for printing</title> |
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</head> |
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<body bgcolor="FFFFFF"> |
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<form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform"> |
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<h1>What do you want to print? Make a choice.</h1><br /> |
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ENDHEADER |
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} |
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sub menu_for_output { |
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my $r = shift; |
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$r->print(<<ENDMENUOUT); |
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<input type="hidden" name="phase" value="two"> |
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<input type="hidden" name="url" value="$ENV{'form.postdata'}"> |
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<input type="radio" name="choice" value="Standard LaTeX output for current document"> Current document |
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(you will print what you see on the screen)<br /> |
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<input type="radio" name="choice" value="Standard LaTeX output for the primary sequence"> All problems from the primary sequence<br /> |
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<input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence"> The whole primary sequence (problems plus all html and xml files)<br /> |
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<input type="radio" name="choice" value="Standard LaTeX output for the top level sequence"> All problems from the top level sequence<br /> |
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<br /><hr /><br /> |
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<h1>And what page format do you prefer?</h1> |
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<input type="radio" name="layout" value="CBI" checked> CBI <br /> |
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<input type="radio" name="layout" value="CAPA"> CAPA <br /> |
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<input type="submit" value="Submit your choice"> |
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</form> |
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</body> |
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</html> |
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ENDMENUOUT |
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} |
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#--- my developmental space begin (Alex) |
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#-- local menu |
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#-- core |
sub output_data { |
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my $r = shift; |
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$r->print(<<ENDPART); |
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<html> |
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<head> |
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<title>LON-CAPA output for printing</title> |
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</head> |
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<body bgcolor="FFFFFF"> |
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<hr> |
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ENDPART |
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my $choice = $ENV{'form.choice'}; |
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my $layout = $ENV{'form.layout'}; |
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my $laystyle = 'book'; |
my $result = ''; |
my $result = ''; |
my %mystyle; |
my %mystyle; |
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my $filename; |
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my $file=&Apache::lonnet::filelocation("",$ENV{'form.postdata'}); |
if ($choice eq 'Standard LaTeX output for current document') { |
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my %moreenv; |
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my $currequest=$ENV{'request.filename'}; |
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$moreenv{'form.grade_target'}='tex'; |
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$moreenv{'request.filename'}=$ENV{'form.url'}; |
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&Apache::lonnet::appenv(%moreenv); |
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my $texversion=&Apache::lonnet::ssi($ENV{'form.url'}); |
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&Apache::lonnet::delenv('form.grade_target'); |
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%moreenv = (); |
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$moreenv{'request.filename'}=$currequest; |
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&Apache::lonnet::appenv(%moreenv); |
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$result .= $texversion; |
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} elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') { |
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#-- where is the primary sequence containing file? |
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my %moreenv; |
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my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); |
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$_ = $symbolic; |
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m/([^_]+)_/; |
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my $primary_sequence = '/res/'.$1; |
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#-- open and analyses the primary sequence |
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my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence); |
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my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file); |
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my @master_seq = &content_map($sequencefilecontents); |
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#-- produce an output string |
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for (my $i=0;$i<=$#master_seq;$i++) { |
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$_ = $master_seq[$i]; |
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m/\"(.*)\"/; |
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$_ = $1; |
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my $urlp = $1; |
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if ($choice eq 'Standard LaTeX output for the primary sequence') { |
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if (/\.(problem|exam|quiz|assess|survey|form|library)/) { |
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my %moreenv; |
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$moreenv{'form.grade_target'}='tex'; |
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&Apache::lonnet::appenv(%moreenv); |
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my $texversion=&Apache::lonnet::ssi($urlp); |
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&Apache::lonnet::delenv('form.grade_target'); |
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$result .= $texversion; |
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} |
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} else { |
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$moreenv{'form.grade_target'}='tex'; |
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&Apache::lonnet::appenv(%moreenv); |
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my $texversion=&Apache::lonnet::ssi($urlp); |
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&Apache::lonnet::delenv('form.grade_target'); |
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$result .= $texversion; |
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} |
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} |
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#-- additional cleanup for output |
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my $first_app = index($result,'\documentclass',0); |
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$first_app = index($result,'\documentclass',$first_app+5); |
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while ($first_app != -1) { |
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my $second_app = index($result,'begin{document}',$first_app); |
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$first_app = rindex($result,'\end{document}',$first_app); |
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substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm'; |
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$first_app = index($result,'\documentclass',$first_app+5); |
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} |
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} elsif ($choice eq 'Standard LaTeX output for the top level sequence') { |
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my @master_seq = (); |
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my @add_file_seq = (); |
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#-- where is the main sequence of the course? |
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my $main_seq = '/res/'.$ENV{'request.course.uri'}; |
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my $file=&Apache::lonnet::filelocation("",$main_seq); |
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my $filecontents=&Apache::lonnet::getfile($file); |
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my @file_seq = &content_map($filecontents); |
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#-- do we have any other sequence inside? |
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my $i=0; |
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while ($i<=$#file_seq) { |
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$_ = $file_seq[$i]; |
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if (/\.sequence$/) { |
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$file = &Apache::lonnet::filelocation("",$file_seq[$i]); |
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$filecontents=&Apache::lonnet::getfile($file); |
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@add_file_seq = &content_map($filecontents); |
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splice(@file_seq,$i,1,@add_file_seq); |
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@add_file_seq = (); |
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$i = -1; |
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} |
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$i++; |
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} |
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@master_seq = @file_seq; |
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#-- produce an output string |
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for (my $i=0;$i<=$#master_seq;$i++) { |
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$_ = $master_seq[$i]; |
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m/\"(.*)\"/; |
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$_ = $1; |
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my $urlp = $1; |
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if (/\.(problem|exam|quiz|assess|survey|form|library)/) { |
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my %moreenv; |
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$moreenv{'form.grade_target'}='tex'; |
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&Apache::lonnet::appenv(%moreenv); |
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my $texversion=&Apache::lonnet::ssi($urlp); |
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&Apache::lonnet::delenv('form.grade_target'); |
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$result .= $texversion; |
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} |
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} |
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#-- additional cleanup for output |
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my $first_app = index($result,'\documentclass',0); |
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$first_app = index($result,'\documentclass',$first_app+5); |
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while ($first_app != -1) { |
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my $second_app = index($result,'begin{document}',$first_app); |
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$first_app = rindex($result,'\end{document}',$first_app); |
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substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm'; |
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$first_app = index($result,'\documentclass',$first_app+5); |
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} |
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} |
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#-- corrections for the different page formats |
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if ($layout eq 'CBI') { |
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$result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/; |
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$laystyle = 'album'; |
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} elsif ($layout eq 'CAPA') { |
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my $courseidinfo = $ENV{'request.role'}; |
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$_ = $courseidinfo; |
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m/.*\/(.*)/; |
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$courseidinfo = $ENV{'course.physnet_'.$1.'.description'}; |
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$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/; |
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$result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /; |
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$result =~ s/\\includegraphics/\\includegraphics\[width=9\.0 cm\]/g; |
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$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPS $1/; |
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} |
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#-- LaTeX corrections |
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$result =~ s/^\s+$//gm; #remove empty lines |
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$result =~ s/%/\\%/g; #corrects % |
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$result =~ s/(\s)+/$1/g; #removes more than one empty space |
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$result =~ s/\\\\\s*(\\vskip)/ $1/gm; |
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#-- Do all of eps figures exist? |
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my $notepslist = ''; |
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my $end_eps = index($result,'.eps}',0); |
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while ($end_eps != -1) { |
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my $start_eps = rindex($result,'{',$end_eps); |
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my $start_path = rindex($result,'\graphicspath{',$start_eps); |
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my $end_path = index($result,'}',$start_path); |
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my $chunk_eps = substr($result,$start_eps+1,$end_eps-$start_eps+3); |
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my $chunk_path = substr($result,$start_path+14,$end_path-$start_path-14); |
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$chunk_path =~ s/^{*//g; |
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unless (-s $chunk_path.$chunk_eps) { |
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$notepslist .= $chunk_path.$chunk_eps; |
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} |
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$end_eps = index($result,'.eps}',$end_eps+5); |
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} |
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#-- writing .tex file in prtspool |
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my $temp_file; |
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$filename = "/home/httpd/prtspool/$ENV{'user.name'}$ENV{'user.domain'}temp$ENV{'user.login.time'}.tex"; |
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unless ($temp_file = Apache::File->new('>'.$filename)) { |
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$r->log_error("Couldn't open $filename for output $!"); |
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return SERVER_ERROR; |
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} |
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print $temp_file $result; |
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$r->print(<<FINALEND); |
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<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$notepslist"> |
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</body> |
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</html> |
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FINALEND |
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} |
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sub content_map { |
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#-- find a list of files to print |
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my $map_string = shift; |
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my @number_seq = (); |
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my @file_seq = (); |
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my $startlink = index($map_string,'<link',0); |
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my $endlink = index($map_string,'</link>',$startlink); |
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my $chunk = substr($map_string,$startlink,$endlink-$startlink+7); |
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$_ = $chunk; |
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m/from=\"(\d+)\"/; |
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push @number_seq,$1; |
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while ($startlink != -1) { |
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$endlink = index($map_string,'</link>',$startlink); |
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$chunk = substr($map_string,$startlink,$endlink-$startlink+7); |
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substr($map_string,$startlink,$endlink-$startlink+7) = ''; |
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$_ = $chunk; |
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m/to=\"(\d+)\"/; |
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push @number_seq,$1; |
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$startlink = index($map_string,'from="'.$1.'"',$startlink); |
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$startlink = rindex($map_string,'<link ',$startlink); |
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} |
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my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink); |
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while ($stalink != -1) { |
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$startlink = rindex($map_string,'<link ',$stalink); |
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$endlink = index($map_string,'</link>',$startlink); |
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$chunk = substr($map_string,$startlink,$endlink-$startlink+7); |
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substr($map_string,$startlink,$endlink-$startlink+7) = ''; |
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$_ = $chunk; |
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m/from=\"(\d+)\"/; |
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unshift @number_seq,$1; |
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$stalink = index($map_string,' to="'.$number_seq[0].'"',0); |
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} |
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for (my $i=0;$i<=$#number_seq;$i++) { |
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$stalink = index($map_string,' id="'.$number_seq[$i].'"',0); |
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{ |
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my $ahed1 = index($map_string,'src="',$stalink); |
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my $ahed2 = index($map_string,'</resource>',$stalink); |
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if ($ahed1 != -1) { |
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if ($ahed1 < $ahed2) { |
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$startlink = $ahed1; |
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} else { |
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$startlink = rindex($map_string,'src="',$stalink); |
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} |
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} else { |
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$startlink = rindex($map_string,'src="',$stalink); |
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} |
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} |
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$startlink = index($map_string,'"',$startlink); |
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$endlink = index($map_string,'"',$startlink+1); |
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$chunk = substr($map_string,$startlink,$endlink-$startlink+1); |
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push @file_seq,$chunk; |
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} |
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return @file_seq; |
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} |
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my $filecontents=&Apache::lonnet::getfile($file); |
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$result = &Apache::lonxml::xmlparse('tex',$filecontents,'',%mystyle); |
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$r->print($result); |
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return OK; |
sub handler { |
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my $r = shift; |
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$r->content_type('text/html'); |
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$r->send_http_header; |
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#--- my developmental space end (Alex) |
#-- start form |
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&headerform($r); |
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#-- menu for output |
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unless ($ENV{'form.phase'}) { |
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&menu_for_output($r); |
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} |
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#-- core part |
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if ($ENV{'form.phase'} eq 'two') { |
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&output_data($r); |
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} |
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return OK; |
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# --------------------------------------------------- Print login screen header |
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# $r->print(<<ENDDOCUMENT); |
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#<html> |
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#<head> |
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#<title>The LearningOnline Network with CAPA</title> |
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#</head> |
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#<body bgcolor="#FFFFFF"> |
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#<h1>Printout</h1> |
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#<img src="/adm/lonKaputt/lonconstruct.gif"> |
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#</body> |
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#</html> |
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#ENDDOCUMENT |
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# return OK; |
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} |
} |
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1; |
1; |
__END__ |
__END__ |
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#### Test block |
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# my $ere; |
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# foreach $ere (%ENV) { |
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# $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n"; |
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# } |
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#### |