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Diff for /loncom/interface/lonprintout.pm between versions 1.2 and 1.20

version 1.2, 2001/08/21 15:59:08 version 1.20, 2002/04/01 18:23:12
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Printout  # Printout
 #  #
   # $Id$
   #
   # 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  # (Internal Server Error Handler
 #  #
 # (Login Screen  # (Login Screen
Line 11 Line 35
 #  #
 # 3/1 Gerd Kortemeyer  # 3/1 Gerd Kortemeyer
 #  #
   # 9/17 Alex Sakharuk
   #
 package Apache::lonprintout;  package Apache::lonprintout;
   
 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;
   use Apache::inputtags;
   use Apache::edit;
   use Apache::File();
   
 sub handler {  
   
   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>
   <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">  All problems from the primary sequence<br />
   <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 />
   <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems 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
   }
   
 #--- my developmental space begin (Alex)  
 #-- local menu  
       
   
   
   
 #-- core  sub output_data {
       my $r = shift;
       $r->print(<<ENDPART);
   <html>
   <head>
   <title>LON-CAPA output for printing</title>
   </head>
   <body bgcolor="FFFFFF">
   <hr>
   ENDPART
   
       my $choice = $ENV{'form.choice'};
       my $layout = $ENV{'form.layout'};
       my $laystyle = 'book';
     my $result = '';      my $result = '';
     my %mystyle;      my %mystyle;
       my $filename;
   
     my $file=&Apache::lonnet::filelocation("",$ENV{'form.postdata'});      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' or $choice eq 'Standard LaTeX output for whole 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 = $1;
       if ($choice eq 'Standard LaTeX output for the primary sequence') {
    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!g;
       $result .= $texversion;        
    }
       } else {
    $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!g;
    $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 3 mm';
       $first_app = index($result,'\documentclass',$first_app+5);
    }
       }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
    my @master_seq = ();
    my @add_file_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);
   #-- do we have any other sequence inside?
    my $i=0;
    while ($i<=$#file_seq) {
       $_ = $file_seq[$i];
       if (/\.sequence$/) {
    $file = &Apache::lonnet::filelocation("",$file_seq[$i]);
    $filecontents=&Apache::lonnet::getfile($file);
    @add_file_seq = &content_map($filecontents);
    splice(@file_seq,$i,1,@add_file_seq);
    @add_file_seq = ();
    $i = -1;
       }
       $i++;
    }
    @master_seq = @file_seq;
   #-- 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 3 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;
    $result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.0cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPS $1/;
       }
   #-- LaTeX corrections 
       $result =~ s/^\s+$//gm; #remove empty lines
       $result =~ s/%/\\%/g;   #corrects %
       $result =~ s/(\s)+/$1/g; #removes more than one empty space
       $result =~ s/\\\\\s*(\\vskip)/ $1/gm;
   #-- writing .tex file in prtspool 
       my $temp_file;
       $filename = "/home/httpd/prtspool/$ENV{'user.name'}$ENV{'user.domain'}temp$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>
   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;
   }
   
     my $filecontents=&Apache::lonnet::getfile($file);  
   
     $result = &Apache::lonxml::xmlparse('tex',$filecontents,'',%mystyle);  
       
     $r->print($result);  
   
     return OK;  sub handler {
   
       my $r = shift;
       $r->content_type('text/html');
       $r->send_http_header;
   
 #--- my developmental space end (Alex)  #-- 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;
   
 # --------------------------------------------------- Print login screen header  
 #    $r->print(<<ENDDOCUMENT);  
 #<html>  
 #<head>  
 #<title>The LearningOnline Network with CAPA</title>  
 #</head>  
 #<body bgcolor="#FFFFFF">  
 #<h1>Printout</h1>  
 #<img src="/adm/lonKaputt/lonconstruct.gif">  
   
 #</body>  
 #</html>  
 #ENDDOCUMENT  
 #    return OK;  
 }   } 
   
 1;  1;
 __END__  __END__
   
   
   
   
   #### Test block
   #    my $ere;
   #    foreach $ere (%ENV) {
   # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
   #    }
   ####
Removed from v.1.2  
changed lines
  Added in v.1.20

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