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Diff for /loncom/interface/lonprintout.pm between versions 1.10 and 1.35

version 1.10, 2001/12/07 23:35:54 version 1.35, 2002/07/01 15:02:54
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 19  use strict; Line 43  use strict;
 use Apache::Constants qw(:common :http);  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();  use Apache::File();
   use POSIX qw(strftime);
   
   
 sub headerform {  sub headerform {
Line 32  sub headerform { Line 58  sub headerform {
 </head>  </head>
 <body bgcolor="FFFFFF">  <body bgcolor="FFFFFF">
 <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">  <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
 <h1>Printout:</h1><br></br>  <h1>What do you want to print? Make a choice.</h1><br />
 ENDHEADER  ENDHEADER
 }  }
   
   
 sub menu_for_output {  sub menu_for_output {
     my $r = shift;      my $r = shift;
     $r->print(<<ENDMENUOUT);      $r->print(<<ENDMENUOUT1);
 <input type="hidden" name="phase" value="two">  <input type="hidden" name="phase" value="two">
 <input type="hidden" name="url" value="$ENV{'form.postdata'}">  <input type="hidden" name="url" value="$ENV{'form.postdata'}">
 <input type="radio" name="choice" value="Standard LaTeX output for current document">  Standard LaTeX output for current document<br />  <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document
 <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Standard LaTeX output for the primary sequence<br />  (you will print what you see on the screen)<br />
 <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  Standard LaTeX output for the top level sequence<br />  <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from the primary sequence<br />
 <input type="submit" value="Please make a choice">  <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 />
   ENDMENUOUT1
       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
       $subdirtoprint =~ s/\/[^\/]+$//;
       if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
    $r->print(<<ENDMENUOUT2);
   <input type="radio" name="choice" value="Subdirectory print">  All problems from current subdirectory (where this particular problem is)<br />
   ENDMENUOUT2
   }
       $r->print(<<ENDMENUOUT3);
   <br /><hr /><br />
   <h1>And what page format do you prefer?</h1>
   <input type="radio" name="layout" value="CBI"> Two columns landscape <br />
   <input type="radio" name="layout" value="CAPA" checked>  Two columns portrait <br />
   <input type="submit" value="Submit your choice">
 </form>  </form>
 </body>  </body>
 </html>  </html>
 ENDMENUOUT  ENDMENUOUT3
 }  }
   
   
   
   
 sub output_data {  sub output_data {
     my $r = shift;      my $r = shift;
     $r->print(<<ENDPART);      $r->print(<<ENDPART);
Line 65  sub output_data { Line 109  sub output_data {
 ENDPART  ENDPART
   
     my $choice = $ENV{'form.choice'};      my $choice = $ENV{'form.choice'};
       my $layout = $ENV{'form.layout'};
       my $laystyle = 'book';
     my $result = '';      my $result = '';
     my %mystyle;      my $number_of_columns = 1;
     my $filename;  
   
     if ($choice eq 'Standard LaTeX output for current document') {      if ($choice eq 'Standard LaTeX output for current document') {
         my $access=&Apache::lonnet::allowed('bre',$ENV{'form.url'});        my %moreenv;
  if (($access ne '2') && ($access ne 'F')) {        $moreenv{'form.grade_target'}='tex';
   $ENV{'user.error.msg'}="$ENV{'form.url'}:bre:1:1:Access Denied";        $moreenv{'request.filename'}=$ENV{'form.url'};
   return HTTP_NOT_ACCEPTABLE;        &Apache::lonnet::appenv(%moreenv);
  }        my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
  my $file=&Apache::lonnet::filelocation("",$ENV{'form.url'});        &Apache::lonnet::delenv('form.grade_target');
  my $filecontents=&Apache::lonnet::getfile($file);        $result .= $texversion;
  $result = &Apache::lonxml::xmlparse('tex',$filecontents,'',%mystyle);        $result = &additional_cleanup($result);
     } elsif ($choice eq 'Standard LaTeX output for the primary sequence') {        if ($ENV{'form.url'}=~m/\.page\s*$/) {($result,$number_of_columns) = &page_cleanup($result);}
  my @master_seq = ();      } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {
  my $keyword = 0;  #-- where is the primary sequence containing file?
  my $output_seq = '';   my %moreenv;
  my $current_file = '/res/'.$ENV{'request.ambiguous'};   my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
         $current_file =~ s/(\/res\/physnet\/physnet)(\/m\d+)\/(.*)/$1$2$2\.sequence/;   $_ = $symbolic;
  while ($current_file ne '') {   m/([^_]+)_/;
     my $file=&Apache::lonnet::filelocation("",$current_file);   my $primary_sequence = '/res/'.$1;
     my $filecontents=&Apache::lonnet::getfile($file);  #-- open and analyses the primary sequence
     my @file_seq = &content_map($filecontents);   my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
     if (defined @file_seq) {   my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
 #-- adding an additional array to the master one   my @master_seq = &content_map($sequencefilecontents);
  if (defined @master_seq) {  #-- produce an output string
                     my $old_value = $#master_seq;   for (my $i=0;$i<=$#master_seq;$i++) {
     my $total_value = $#master_seq + $#file_seq +2;      $_ = $master_seq[$i];
                     for (my $j=0; $j<=$old_value-$keyword+1; $j++) {      m/\"(.*)\"/;
  $master_seq[$total_value-$j] = $master_seq[$old_value-$j];              $_ = $1;
     }              my $urlp = $1;
                     for (my $j=0; $j<=$#file_seq; $j++){      if ($choice eq 'Standard LaTeX output for the primary sequence') {
  $master_seq[$keyword+$j] = $file_seq[$j];   if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
     }      my %moreenv;
     @file_seq = ();      $moreenv{'form.grade_target'}='tex';
     $keyword = 0;      &Apache::lonnet::appenv(%moreenv);
  } else {      my $texversion=&Apache::lonnet::ssi($urlp);
     @master_seq = @file_seq;      &Apache::lonnet::delenv('form.grade_target');
                     @file_seq = ();      $result .= $texversion;        
  }  
     }   
 #-- 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;  
  }   }
     }              } else {
    $moreenv{'form.grade_target'}='tex';
    &Apache::lonnet::appenv(%moreenv);
    my $texversion=&Apache::lonnet::ssi($urlp);
    &Apache::lonnet::delenv('form.grade_target');
    $result .= $texversion;    
       }
    }
    $result = &additional_cleanup($result);
       }  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  #-- produce an output string
  for (my $i=0;$i<=$#master_seq;$i++) {   for (my $i=0;$i<=$#master_seq;$i++) {
     $_ = $master_seq[$i];      $_ = $master_seq[$i];
     m/\"(.*)\"/;      m/\"(.*)\"/;
     if (index($1,'-tc.xml',0)==-1) {              $_ = $1;
  my $file=&Apache::lonnet::filelocation("",$1);              my $urlp = $1;
  my $filecontents=&Apache::lonnet::getfile($file);              if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
  $output_seq .= $filecontents;   my %moreenv;
    $moreenv{'form.grade_target'}='tex';
    &Apache::lonnet::appenv(%moreenv);
    my $texversion=&Apache::lonnet::ssi($urlp);
    &Apache::lonnet::delenv('form.grade_target');
    $result .= $texversion;        
       }
    }    
    $result = &additional_cleanup($result);
       } elsif ($choice eq 'Subdirectory print') {      
    my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
    $subdirtoprint =~ s/\/[^\/]+$//;
    my @list_of_files = ();
    my $localdirectory = $subdirtoprint;
    $localdirectory =~ s/.*(\/res\/)/$1/;
    my @content_directory = &Apache::lonnet::dirlist($localdirectory);
    for (my $iy=0;$iy<=$#content_directory;$iy++) {
       my @tempo_array = split(/&/,$content_directory[$iy]);
       $content_directory[$iy] = $tempo_array[0];
       if ($content_directory[$iy] =~ m/^[^\.]+\.problem$/) {
    push @list_of_files,$content_directory[$iy];
     }      }
  }   }
 #-- cleanup of output string (temporary cbi-specific)   $localdirectory =~ s/\/$//;
  $output_seq =~ s/<physnet>//g;   for (my $i=0;$i<=$#list_of_files;$i++) {
  $output_seq =~ s/<\/physnet>//g;      my $urlp = $localdirectory.'/'.$list_of_files[$i];     
  $output_seq = '<physnet>'.$output_seq.' </physnet>';      my %moreenv;
 #-- final accord      $moreenv{'form.grade_target'}='tex';
  $result = &Apache::lonxml::xmlparse('tex',$output_seq,'',%mystyle);      &Apache::lonnet::appenv(%moreenv);
       my $texversion=&Apache::lonnet::ssi($urlp);
       &Apache::lonnet::delenv('form.grade_target');
       $texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;
       $result .= $texversion;   
    }
    $result = &additional_cleanup($result);
   
   
   
   
   
   
       }
   #-- 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/\\documentclass\[letterpaper\]{article}/\\documentclass{article}/;
    $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\parbox{\\minipagewidth}{\\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\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPL $1/;
           $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[9\.0cm\]\[b\]{\\hrulefill})/$2$1/g;
           $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;
       }
   #-- LaTeX corrections     
       my $first_comment = index($result,'<!--',0);
       while ($first_comment != -1) {
    my $end_comment = index($result,'-->',$first_comment);
    substr($result,$first_comment,$end_comment-$first_comment+3) = '';
    $first_comment = index($result,'<!--',$first_comment);
     }      }
       $result =~ s/^\s+$//gm; #remove empty lines
       $result =~ s/%/\\%/g;   #corrects %
       $result =~ s/(\s)+/$1/g; #removes more than one empty space
       $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
       $result =~ s/ (<|>|) / \$$1\$ /g; #corrects < or >
       $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
       $result =~ s/{\\par }\s*\\\\/\\\\/gm;
    $result =~ s/\\\\\s+\[/ \[/g;
       $result =~ s/&#952;/\$\\theta\$/g; #converts theta from html into tex
       $result =~ s/\b_+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
  {      my $temp_file;
     my $temp_file;      my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
     $filename = "/home/httpd/prtspool/$ENV{'environment.firstname'}$ENV{'environment.lastname'}temp$ENV{'user.login.time'}.tex";      unless ($temp_file = Apache::File->new('>'.$filename)) {
     unless ($temp_file = Apache::File->new('>'.$filename)) {   $r->log_error("Couldn't open $filename for output $!");
  $r->log_error("Couldn't open $filename for output $!");   return SERVER_ERROR; 
  return SERVER_ERROR;       } 
     }       print $temp_file $result;
  print $temp_file $result;  
  }  
 $r->print(<<FINALEND);  $r->print(<<FINALEND);
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename">  <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle">
 </body>  </body>
 </html>  </html>
 FINALEND  FINALEND
 }  }
   
   sub additional_cleanup {
       my $result = shift;
       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);
       }
       return $result;
   }
   sub page_cleanup {
       my $result = shift;
       $_ = $result;
       m/\\end{document}(\d*)$/;
       my $number_of_columns = $1;
       my $insert = '{';
       for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
       $insert .= '}';
       $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE/$1$insert/g;
       $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
       $result =~ s/(\\vskip\s*\d+\s*mm)/}\\\\\\parbox{\\minipagewidth}{/g;
       $result =~ s/\\parbox{\\minipagewidth}{}\s*\\\\\s*(\\parbox{\\minipagewidth})/$1/g;
       return $result,$number_of_columns;
   }
   
 sub content_map {  sub content_map {
 #-- find a list of files to print  #-- find a list of files to print
Line 172  sub content_map { Line 325  sub content_map {
  $_ = $chunk;   $_ = $chunk;
         m/to=\"(\d+)\"/;          m/to=\"(\d+)\"/;
  push @number_seq,$1;   push @number_seq,$1;
  $startlink = index($map_string,'<link from="'.$1.'"',$startlink);   $startlink = index($map_string,'from="'.$1.'"',$startlink);
    $startlink = rindex($map_string,'<link ',$startlink);
     }      }
     my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);      my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
     while ($stalink != -1) {      while ($stalink != -1) {
Line 187  sub content_map { Line 341  sub content_map {
     }      }
     for (my $i=0;$i<=$#number_seq;$i++) {      for (my $i=0;$i<=$#number_seq;$i++) {
  $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);   $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
  $startlink = index($map_string,'src="',$stalink);          {    
       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);   $startlink = index($map_string,'"',$startlink);
  $endlink = index($map_string,'"',$startlink+1);   $endlink = index($map_string,'"',$startlink+1);
  $chunk = substr($map_string,$startlink,$endlink-$startlink+1);   $chunk = substr($map_string,$startlink,$endlink-$startlink+1);
Line 207  sub handler { Line 374  sub handler {
 #-- start form  #-- start form
     &headerform($r);      &headerform($r);
 #-- menu for output  #-- menu for output
     unless ($ENV{'form.phase'}) {      unless  ($ENV{'form.phase'}) {
  &menu_for_output($r);   &menu_for_output($r);
     }      }
 #-- core part   #-- core part 
     if ($ENV{'form.phase'} eq 'two') {      if ($ENV{'form.phase'} eq 'two') {
  &output_data($r);   &output_data($r);
   
     }      }
     return OK;      return OK;
   
Line 223  sub handler { Line 389  sub handler {
 __END__  __END__
   
   
   
   
   #### Test block
 #    my $ere;  #    my $ere;
 #    foreach $ere (%ENV) {  #    foreach $ere (%ENV) {
 # $r->print(' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n");  # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
 #    }  #    }
   ####
Removed from v.1.10  
changed lines
  Added in v.1.35

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