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Diff for /loncom/interface/lonprintout.pm between versions 1.10 and 1.73

version 1.10, 2001/12/07 23:35:54 version 1.73, 2002/09/20 20:32:42
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::loncommon;
   use Apache::inputtags;
   use Apache::grades;
   use Apache::edit;
 use Apache::File();  use Apache::File();
   use Apache::lonnavmaps;
   use POSIX qw(strftime);
   use GDBM_File;
   
   
   my %hash;
   
   
 sub headerform {  sub headerform {
Line 32  sub headerform { Line 65  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>  
 ENDHEADER  ENDHEADER
       if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { 
       $r->print(<<ENDHEADER1);
   <b>Path to current document: </b><tt>$ENV{'form.postdata'}</tt><p>
   ENDHEADER1
   }
 }  }
   
   
 sub menu_for_output {  sub menu_for_output {
     my $r = shift;      my $r = shift;
     $r->print(<<ENDMENUOUT);      my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu;
       if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';}
       if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';}
       if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';}
       my $subdir_to_print = $ENV{'form.postdata'};
       $subdir_to_print =~ m/\/([^\/]+)$/;
       $subdir_to_print =~ s/$1//;
       $r->print(<<ENDMENUOUT1);
   <h1>What do you want to print? Make a choice.</h1><br />
 <input type="hidden" name="phase" value="two">  <input type="hidden" name="phase" value="two">
 <input type="hidden" name="url" value="$ENV{'form.postdata'}">  <input type="hidden" name="url" value="$ENV{'form.postdata'}">
 <input type="radio" name="choice" value="Standard LaTeX output for current document">  Standard LaTeX output for current document<br />  <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>
 <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Standard LaTeX output for the primary sequence<br />  (prints what you just saw 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 />  ENDMENUOUT1
 <input type="submit" value="Please make a choice">      if ((not $ENV{'request.role'}=~m/^au\./) and (not $ENV{'request.role'}=~m/^ca\./)) {
    $r->print(<<ENDMENUOUT2);
   <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from <b>$title_for_sequence</b><br />
   <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  All problems plus any pages or html/xml files from <b>$title_for_sequence</b><br />
   ENDMENUOUT2
       }
       if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { 
    $r->print(<<ENDMENUOUT6);
   <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems in this course (<b>warning:</b> this may be time consuming) <br />
   <br />
   <input type="radio" name="choice" value="All class print">  All problems from <b>$title_for_sequence</b> for selected students<br /><br />
   ENDMENUOUT6
       }
         my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
         $subdirtoprint =~ s/\/[^\/]+$//;
         if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
     $r->print(<<ENDMENUOUT4);
     <input type="radio" name="choice" value="Subdirectory print">  Problems from current subdirectory <b>$subdir_to_print</b><br />
   ENDMENUOUT4
         }
       $r->print(<<ENDMENUOUT5);
   <br /><hr /><br />
   <h1>And what page format do you prefer?</h1>
   <table>
    <tr>
      <td>
        <input type="radio" name="layout" value="CBI"> Landscape <br />
        <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />
      </td>
      <td>&nbsp;</td>
      <td rawspan="2">
        Number of columns: <select name="numberofcolumns">
                            <option> 1 </option>
                            <option selected> 2 </option>
                           </select> 
      </td>
      <td rawspan="2">
        Paper size (format [width x height]): <select name="papersize">
                                               <option selected> Letter [8 1/2x11 in] </option>
                                               <option> Legal [8 1/2x14 in] </option>
                                               <option> Ledger/Tabloid [11x17 in] </option>
                                               <option> Executive [7 1/2x10 in] </option>
                                               <option> A2 [420x594 mm] </option>
                                               <option> A3 [297x420 mm] </option>
                                               <option> A4 [210x297 mm] </option>
                                               <option> A5 [148x210 mm] </option>
                                               <option> A6 [105x148 mm] </option>
                                              </select> 
      </td>
    </tr>
   </table>
   </br> 
   <input type="submit" value="Submit your choice">
   ENDMENUOUT5
   }
   
   
   sub problem_choice_menu {
       my $r = shift;
       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
       $subdirtoprint =~ s/\/[^\/]+$//;
       my @list_of_files = ();
       if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
    $subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//;
       } else {
    $subdirtoprint =~ s/.*(\/res\/)/$1/;
       }
       my @content_directory = ();
       if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
    @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');
       } else {
    @content_directory = &Apache::lonnet::dirlist($subdirtoprint);
       }
       for (my $iy=0;$iy<=$#content_directory;$iy++) {
    my @tempo_array = split(/&/,$content_directory[$iy]);
    if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) {
       push(@list_of_files,$tempo_array[0]);
    }
       }
       $subdirtoprint =~ s/\/$//;
       for (my $i=0;$i<=$#list_of_files;$i++) {
    $list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i];
       }
       $r->print(<<ENDMENUOUT1);
   <input type="hidden" name="url" value="$ENV{'form.url'}">
   <input type="hidden" name="choice" value="$ENV{'form.choice'}">
   <input type="hidden" name="layout" value="$ENV{'form.layout'}">
   <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
   <h1>Mark problems which you want to print</h1>
   <script>
       function checkall() {
    for (i=0; i<document.forms.printform.elements.length; i++) {
               if 
             (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
         document.forms.printform.elements[i].checked=true;
               }
           }
       }
   
   
       function uncheckall() {
    for (i=0; i<document.forms.printform.elements.length; i++) {
               if 
             (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
         document.forms.printform.elements[i].checked=false;
               }
           }
       }
   </script>
   <input type=button onClick="checkall()" value="Check All">&nbsp;
   <input type=button onClick="uncheckall()" value="Uncheck">
   <p>
   ENDMENUOUT1
       my $i;
       foreach my $file (@list_of_files) {
    $r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.
                     $file);
    $i++;
       }
       $r->print(<<ENDMENUOUT2);
   <br />
   <input type="hidden" name="numberofproblems" value="$i">
   <input type="hidden" name="phase" value="three">
   <input type="submit" value="Submit">
   ENDMENUOUT2
   }
   
   
   sub additional_class_menu {
       my $r = shift;
       $r->print(<<ENDMENUOUT1);
   <input type="hidden" name="url" value="$ENV{'form.url'}">
   <input type="hidden" name="choice" value="$ENV{'form.choice'}">
   <input type="hidden" name="layout" value="$ENV{'form.layout'}">
   <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
   <h1>Mark students which assignments you want to print</h1>
   ENDMENUOUT1
       my %courselist=&Apache::lonnet::dump(
                      'classlist',
      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
       my $now=time;
       $r->print(<<ENDDISHEADER);
   <script>
       function checkall() {
    for (i=0; i<document.forms.printform.elements.length; i++) {
               if 
             (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
         document.forms.printform.elements[i].checked=true;
               }
           }
       }
   
       function checksec() {
    for (i=0; i<document.forms.printform.elements.length; i++) {
               if 
             (document.forms.printform.elements[i].value.indexOf
              (document.forms.printform.chksec.value)==0) {
         document.forms.printform.elements[i].checked=true;
               }
           }
       }
   
       function uncheckall() {
    for (i=0; i<document.forms.printform.elements.length; i++) {
               if 
             (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
         document.forms.printform.elements[i].checked=false;
               }
           }
       }
   </script>
   <input type=button onClick="checkall()" value="Check All">&nbsp;
   <input type=button onClick="checksec()" value="Check Section/Group">
   <input type=text size=5 name=chksec>&nbsp;
   <input type=button onClick="uncheckall()" value="Uncheck">
   <p>
   ENDDISHEADER
       my $i = 0;
       foreach (sort keys %courselist) {
           my ($end,$start)=split(/\:/,$courselist{$_});
           my $active=1;
           if (($end) && ($now>$end)) { $active=0; }
           if ($active) {
              my ($sname,$sdom)=split(/\:/,$_);
              my %reply=&Apache::lonnet::get('environment',
                 ['firstname','middlename','lastname','generation'],
                 $sdom,$sname);
              my $section=&Apache::lonnet::usection
          ($sdom,$sname,$ENV{'request.course.id'});
              $r->print(
           '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.
         $reply{'firstname'}.' '. 
                         $reply{'middlename'}.' '.
                         $reply{'lastname'}.' '.
                         $reply{'generation'}.
                         ' ('.$_.') '.$section);
      $i++;
           } 
       }
       $r->print(<<ENDMENUOUT2);
   <br />
   <input type="hidden" name="numberofstudents" value="$i">
   <input type="hidden" name="phase" value="three">
   <input type="submit" value="Submit">
   ENDMENUOUT2
   }
   
   
   sub additional_print_menu { 
       my $r = shift;
       my $what_to_print = '';
       for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
    $what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';
       }
       for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {
    $what_to_print .= '<input type="hidden" name="whattoprint'.$i.'" value="'.$ENV{'form.whattoprint'.$i}.'">';
       }
       $r->print(<<ENDMENUOUT);
       $what_to_print
   <input type="hidden" name="url" value="$ENV{'form.url'}">
   <input type="hidden" name="choice" value="$ENV{'form.choice'}">
   <input type="hidden" name="layout" value="$ENV{'form.layout'}">
   <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">
   <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">
   <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
   Define one column layout parameters: <br />
   <b>Width</b>: <input type="text" name="width" width="8" value="9cm"> <br />
   <b>Height</b>: <input type="text" name="height" width="8" value="25.9cm"> <br />
   <b>Left margin</b>: <input type="text" name="leftmargin" width="8" value="-0.57in"> <br />
   <input type="hidden" name="phase" value="four">
   <input type="submit" value="Submit">
 </form>  </form>
 </body>  </body>
 </html>  </html>
Line 65  sub output_data { Line 341  sub output_data {
 ENDPART  ENDPART
   
     my $choice = $ENV{'form.choice'};      my $choice = $ENV{'form.choice'};
       my $layout = $ENV{'form.layout'};
       my $numberofcolumns = $ENV{'form.numberofcolumns'};               
       my $laystyle = 'book';
     my $result = '';      my $result = '';
     my %mystyle;      my $number_of_columns = 1; #used only for pages to determine the width of the cell
     my $filename;      my $selectionmade = '';
    
     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'});        #-- single document - problem, page, html, xml  
  if (($access ne '2') && ($access ne 'F')) {        $selectionmade = 1;
   $ENV{'user.error.msg'}="$ENV{'form.url'}:bre:1:1:Access Denied";        my %moreenv;
   return HTTP_NOT_ACCEPTABLE;        $moreenv{'form.grade_target'}='tex';
  }        if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
  my $file=&Apache::lonnet::filelocation("",$ENV{'form.url'});    $ENV{'form.url'}=~s/http:\/\/[^\/]+//;
  my $filecontents=&Apache::lonnet::getfile($file);        }
  $result = &Apache::lonxml::xmlparse('tex',$filecontents,'',%mystyle);        $moreenv{'request.filename'}=$ENV{'form.url'};
     } elsif ($choice eq 'Standard LaTeX output for the primary sequence') {        &Apache::lonnet::appenv(%moreenv);
  my @master_seq = ();        my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
  my $keyword = 0;        &Apache::lonnet::delenv('form.grade_target');
  my $output_seq = '';        $result .= $texversion;
  my $current_file = '/res/'.$ENV{'request.ambiguous'};        if ($ENV{'form.url'}=~m/\.page\s*$/) {
         $current_file =~ s/(\/res\/physnet\/physnet)(\/m\d+)\/(.*)/$1$2$2\.sequence/;    ($result,$number_of_columns) = &page_cleanup($result);
  while ($current_file ne '') {        }
     my $file=&Apache::lonnet::filelocation("",$current_file);      } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or 
     my $filecontents=&Apache::lonnet::getfile($file);               $choice eq 'Standard LaTeX output for whole primary sequence') {
     my @file_seq = &content_map($filecontents);        #-- minimal sequence to which the current document belongs
     if (defined @file_seq) {          #-- where is the primary sequence containing file?
 #-- adding an additional array to the master one   my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
  if (defined @master_seq) {   $symbolic =~ m/([^_]+)_/;
                     my $old_value = $#master_seq;   my $primary_sequence = '/res/'.$1;   
     my $total_value = $#master_seq + $#file_seq +2;    $symbolic =~ m/^([^_]+__)/;
                     for (my $j=0; $j<=$old_value-$keyword+1; $j++) {   my @master_seq = &coming_from_hash($primary_sequence,$1);
  $master_seq[$total_value-$j] = $master_seq[$old_value-$j];          #-- produce an output string
     }   my $flag_latex_header_remove = 'NO';
                     for (my $j=0; $j<=$#file_seq; $j++){   my $flag_page_in_sequence = 'NO';
  $master_seq[$keyword+$j] = $file_seq[$j];   for (my $i=0;$i<=$#master_seq;$i++) {
               my ($urlp,$symb) = split /&&/, $master_seq[$i];
       if ($choice eq 'Standard LaTeX output for the primary sequence') {
               #prints only problems
    $selectionmade = 2;
     if ($urlp =~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
       my %moreenv;
       $moreenv{'form.grade_target'}='tex';
       &Apache::lonnet::appenv(%moreenv);
       my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
       &Apache::lonnet::delenv('form.grade_target');
       if ($flag_latex_header_remove ne 'NO') {
    $texversion = &latex_header_footer_remove($texversion);
       } else {
    $texversion =~ s/\\end{document}//;
     }      }
     @file_seq = ();      $result .= $texversion;        
     $keyword = 0;      $flag_latex_header_remove = 'YES';
    }
       } elsif ($urlp =~ /\S+/) {
                 #prints problems, pages and any html/xml files
    $selectionmade = 3;
    my %moreenv;
    $moreenv{'form.grade_target'}='tex';
    &Apache::lonnet::appenv(%moreenv);
    my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
    &Apache::lonnet::delenv('form.grade_target');
    if ($urlp =~ m/\.page/) {
       ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
       if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
       $texversion =~ s/\\end{document}\d*/\\end{document}/;
       $flag_page_in_sequence = 'YES';
    } 
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
  } else {   } else {
     @master_seq = @file_seq;      $texversion =~ s/\\end{document}//;
                     @file_seq = ();  
  }   }
     }    $result .= $texversion;         
 #-- checking wether .sequence file is among the set of files   $flag_latex_header_remove = 'YES';   
     $current_file = '';      }
     for (my $i=0; $i<=$#file_seq; $i++) {   }
  $_ = $file_seq[$i];   if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
  if (m/(.*)\.sequence/) {   $result .= '\end{document}';
     $current_file = $_;      }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
     $keyword = $i;          # where is the main sequence of the course?
     last;   $selectionmade = 4;
    my $main_seq = '/res/'.$ENV{'request.course.uri'};
    my @file_seq = &coming_from_hash($main_seq); 
    my $flag_latex_header_remove = 'NO';
           #-- produce an output string
    for (my $i=0;$i<=$#file_seq;$i++) {
               my ($urlp,$symb) = split /&&/, $file_seq[$i];
       $urlp=~s/\/home\/httpd\/html//;    
               if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) {
    my %moreenv;
    $moreenv{'form.grade_target'}='tex';
    &Apache::lonnet::appenv(%moreenv);
    my $texversion=&Apache::lonnet::ssi($urlp);
    &Apache::lonnet::delenv('form.grade_target');    
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}//;
  }   }
     }           $result .= $texversion;        
       }
       $flag_latex_header_remove = 'YES';  
    }    
    $result .= '\end{document}';
       } elsif ($choice eq 'All class print') { 
       #-- prints assignments for whole class or for selected students  
    $selectionmade = 5;
           my @students = ();
    for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
       if ($ENV{'form.whomtoprint'.$i}=~/:/) {
    push @students,$ENV{'form.whomtoprint'.$i};
       }
  }   }
 #-- produce an output string   #where is the primary sequence containing current resource (the same for all students)?
  for (my $i=0;$i<=$#master_seq;$i++) {   my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
     $_ = $master_seq[$i];   $symbolic =~ m/([^_]+)_/;
     m/\"(.*)\"/;   my $primary_sequence = '/res/'.$1;
     if (index($1,'-tc.xml',0)==-1) {   $symbolic =~ m/^([^_]+__)/;
  my $file=&Apache::lonnet::filelocation("",$1);   my @master_seq = &coming_from_hash($primary_sequence,$1); 
  my $filecontents=&Apache::lonnet::getfile($file);          #loop over students
  $output_seq .= $filecontents;   my $flag_latex_header_remove = 'NO';  
    foreach my $person (@students) {
       my $current_output = ''; 
       my ($usersection,$username,$userdomain) = split /:/,$person;
       my $fullname = &Apache::grades::get_fullname($username,$userdomain);
               #goes through all resources, checks if they are available for current student, and produces output   
       foreach my $curresline (@master_seq)  {
    my ($curres,$symb) = split /&&/, $curresline;
                   if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
       my ($map,$id,$res_url) = split(/___/,$symb);
       if (&Apache::lonnet::allowed('bre',$res_url)) {
    my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,
                                                                           $ENV{'request.course.id'},'tex');
    if ($flag_latex_header_remove eq 'YES') {
       $rendered = &latex_header_footer_remove($rendered);
    } else {
       $rendered =~ s/\\end{document}//;
    }
    $current_output .= $rendered;
       }
       $flag_latex_header_remove = 'YES';
    }
       }
       if ($current_output=~/\\documentclass/) {
    $current_output =~ s/\\begin{document}/\\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$fullname}}\\hskip 1\.4in } \\vskip 5 mm /;
       } else {
    $current_output = '\\vskip 3mm\noindent\parbox{\minipagewidth}{\noindent\fbox{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;
       }
       $result .= $current_output;
    }
    $result .= '\end{document}'; 
       } elsif ($choice eq 'Subdirectory print') {      
       #prints selected problems from the subdirectory 
    $selectionmade = 6;
           my @list_of_files = ();
    for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {
       if ($ENV{'form.whattoprint'.$i}=~/^\//) {
    push @list_of_files,$ENV{'form.whattoprint'.$i};
     }      }
    }
    my $flag_latex_header_remove = 'NO';  
    for (my $i=0;$i<=$#list_of_files;$i++) {
       my $urlp = $list_of_files[$i];
       if ($urlp=~/\//) {
    my %moreenv;
    $moreenv{'form.grade_target'}='tex';
    &Apache::lonnet::appenv(%moreenv);
    if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) { 
       $urlp =~ s/\/home\/([^\/]*)\/public_html/\/~$1/; 
    }
    my $texversion=&Apache::lonnet::ssi($urlp);
    &Apache::lonnet::delenv('form.grade_target');
    $texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}//;
    }
    $result .= $texversion;
       }
       $flag_latex_header_remove = 'YES';  
  }   }
 #-- cleanup of output string (temporary cbi-specific)   $result .= '\end{document}';      
  $output_seq =~ s/<physnet>//g;  
  $output_seq =~ s/<\/physnet>//g;  
  $output_seq = '<physnet>'.$output_seq.' </physnet>';  
 #-- final accord  
  $result = &Apache::lonxml::xmlparse('tex',$output_seq,'',%mystyle);  
     }      }
 #-- writing .tex file in prtspool   #-- corrections for the different page formats
  {      if ($layout eq 'CBI' and $numberofcolumns eq '1') {
     my $temp_file;   $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}/;
     $filename = "/home/httpd/prtspool/$ENV{'environment.firstname'}$ENV{'environment.lastname'}temp$ENV{'user.login.time'}.tex";   $result =~ s/\$number_of_columns/$number_of_columns/g;
     unless ($temp_file = Apache::File->new('>'.$filename)) {          $laystyle = 'album';
  $r->log_error("Couldn't open $filename for output $!");      } elsif ($layout eq 'CBI' and $numberofcolumns eq '2') {
  return SERVER_ERROR;    $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}/;
     }    $result =~ s/\$number_of_columns/$number_of_columns/g;
  print $temp_file $result;          $laystyle = 'album';
       } elsif ($layout eq 'CAPA') {
           my $courseidinfo = $ENV{'request.role'};
           $_ = $courseidinfo;
           m/.*\/(.*)/;
           $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
    $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass{article}/;
    if ($choice ne 'All class print') { 
       $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$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 /;
           } else {
       $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
  }   }
    $result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g;
   # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\textwidth\]{/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{document})/\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny \\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright Michigan State University Board of Trustees $1/;
   #        $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[9\.0cm\]\[b\]{\\hrulefill})/$2$1/g;
           $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
           $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;
    $result =~ s/\$number_of_columns/$number_of_columns/g;
       }
       #changes page's parameters for the one column output 
       if ($ENV{'form.numberofcolumns'} == 1) {
    $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
    $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;
    $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;
    $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;
       }
   #-- 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/(\s)+/$1/g; #removes more than one empty space
       $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
       $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;
       #conversion of html characters to LaTeX equivalents
       if ($result =~ m/&(\w+|#\d+);/) {
    $result = &character_chart($result);
       }
       $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
       $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
   #-- writing .tex file in prtspool 
       my $temp_file;
       my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
       unless ($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);  $r->print(<<FINALEND);
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename">  <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
 </body>  </body>
 </html>  </html>
 FINALEND  FINALEND
 }  }
   
   
   sub coming_from_hash_whole {
   
       my $mainsequence = shift;
       my @resourcelist = ();
       my $mapid = $hash{'map_pc_'.$mainsequence};
       my $mapstart = $hash{'map_start_'.$mainsequence};
       my $mapfinish = $hash{'map_finish_'.$mainsequence};
       my $current_resource = $mapstart;
       while ($current_resource ne $mapfinish) {
    if ($hash{'src_'.$current_resource}=~/\.sequence$/) {
   
    } else {
   
    }
       }
   
   
 sub content_map {      push @resourcelist,$mapid,$mapstart,$mapfinish;
 #-- find a list of files to print      return @resourcelist;
     my $map_string = shift;  }
     my @number_seq = ();  
     my @file_seq = ();  
     my $startlink = index($map_string,'<link',0);  sub coming_from_hash {
     my $endlink = index($map_string,'</link>',$startlink);  
     my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);      my ($mainsequence,$symb) = @_;
     $_ = $chunk;      my @resourcelist = ();
     m/from=\"(\d+)\"/;      my $mapid = $hash{'map_pc_'.$mainsequence};
     push @number_seq,$1;      my $mapstart = $hash{'map_start_'.$mainsequence};
     while ($startlink != -1) {      my $mapfinish = $hash{'map_finish_'.$mainsequence};
  $endlink = index($map_string,'</link>',$startlink);      my ($presymb) = split(/___/,$symb);
  $chunk = substr($map_string,$startlink,$endlink-$startlink+7);      $presymb = $presymb.'___';
  substr($map_string,$startlink,$endlink-$startlink+7) = '';      my $current_resource = $mapstart;
  $_ = $chunk;      while ($current_resource ne $mapfinish) {
         m/to=\"(\d+)\"/;   if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {
  push @number_seq,$1;      my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
  $startlink = index($map_string,'<link from="'.$1.'"',$startlink);              if ($rid=~/,/) {
     }   my @rid = split /,/, $rid;
     my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);   foreach my $rid_element (@rid) {
     while ($stalink != -1) {      if ($rid_element =~ m/^$mapid\.(\d*)/) {
  $startlink = rindex($map_string,'<link ',$stalink);   $rid = $1; 
  $endlink = index($map_string,'</link>',$startlink);   last;
  $chunk = substr($map_string,$startlink,$endlink-$startlink+7);      }
  substr($map_string,$startlink,$endlink-$startlink+7) = '';   }
  $_ = $chunk;      } else {
         m/from=\"(\d+)\"/;   $rid =~ m/^$mapid\.(\d*)/;
  unshift @number_seq,$1;                  $rid = $1;  
  $stalink = index($map_string,' to="'.$number_seq[0].'"',0);      }
     }      $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;
     for (my $i=0;$i<=$#number_seq;$i++) {      $symb = $presymb.$rid.'___'.$1;
  $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);      push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;
  $startlink = index($map_string,'src="',$stalink);   } else {
  $startlink = index($map_string,'"',$startlink);      push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
  $endlink = index($map_string,'"',$startlink+1);   }
  $chunk = substr($map_string,$startlink,$endlink-$startlink+1);   $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
  push @file_seq,$chunk;      }
       #needs if final resource in the map (type="finish") contains something
       if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {
       my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
               if ($rid=~/,/) {
    my @rid = split /,/, $rid;
    foreach my $rid_element (@rid) {
       if ($rid_element =~ m/^$mapid\.(\d*)/) {
    $rid = $1; 
    last;
       }
    }
       } else {
    $rid =~ m/^$mapid\.(\d*)/;
                   $rid = $1;  
       }
       $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;
       $symb = $presymb.$rid.'___'.$1;
    push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;
       } else {
    push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
     }      }
     return @file_seq;      return @resourcelist;
 }  }
   
   
   sub latex_header_footer_remove {
       my $text = shift;
       $text =~ s/\\end{document}//;
       $text =~ s/\\documentclass([^&]*)\\begin{document}//;
       return $text;
   }
   
   
   sub character_chart {
       my $result = shift;
       $result =~ s/&#0?0?7;//g;
       $result =~ s/&#0?0?9;//g;
       $result =~ s/&#0?10;//g;
       $result =~ s/&#0?13;//g;
       $result =~ s/&#0?32;/ /g;
       $result =~ s/&#0?33;/!/g;
       $result =~ s/&#0?34;/"/g;
       $result =~ s/&quot;/"/g; 
       $result =~ s/&#0?35;/\\#/g;
   #    $result =~ s/&#0?36;/\\\$/g;
       $result =~ s/&#0?37;/\\%/g; 
       $result =~ s/&#0?38;/\\&/g; 
       $result =~ s/&amp;/\\&/g;
       $result =~ s/&#0?39;/'/g;
       $result =~ s/&#0?40;/(/g;
       $result =~ s/&#0?41;/)/g;
       $result =~ s/&#0?42;/\*/g;
       $result =~ s/&#0?43;/\+/g;
       $result =~ s/&#0?44;/,/g;
       $result =~ s/&#0?45;/-/g;
       $result =~ s/&#0?46;/\./g;
       $result =~ s/&#0?47;/\//g;
       $result =~ s/&#0?48;/0/g;
       $result =~ s/&#0?49;/1/g;
       $result =~ s/&#0?50;/2/g;
       $result =~ s/&#0?51;/3/g;
       $result =~ s/&#0?52;/4/g;
       $result =~ s/&#0?53;/5/g;
       $result =~ s/&#0?54;/6/g;
       $result =~ s/&#0?55;/7/g;
       $result =~ s/&#0?56;/8/g;
       $result =~ s/&#0?57;/9/g;
       $result =~ s/&#0?58;/:/g;
       $result =~ s/&#0?59;/;/g;
       $result =~ s/&#0?60;/\$<\$/g;
       $result =~ s/&lt;/\$<\$/g;
       $result =~ s/&#0?61;/\$=\$/g;
       $result =~ s/&#0?62;/\$>\$/g;
       $result =~ s/&gt;/\$>\$/g;
       $result =~ s/&#0?63;/?/g;
   #    $result =~ s/&#0?64;//g;
       $result =~ s/&#0?65;/A/g;
       $result =~ s/&#0?66;/B/g;
       $result =~ s/&#0?67;/C/g;
       $result =~ s/&#0?68;/D/g;
       $result =~ s/&#0?69;/E/g;
       $result =~ s/&#0?70;/F/g;
       $result =~ s/&#0?71;/G/g;
       $result =~ s/&#0?72;/H/g;
       $result =~ s/&#0?73;/I/g;
       $result =~ s/&#0?74;/J/g;
       $result =~ s/&#0?75;/K/g;
       $result =~ s/&#0?76;/L/g;
       $result =~ s/&#0?77;/M/g;
       $result =~ s/&#0?78;/N/g;
       $result =~ s/&#0?79;/O/g;
       $result =~ s/&#0?80;/P/g;
       $result =~ s/&#0?81;/Q/g;
       $result =~ s/&#0?82;/R/g;
       $result =~ s/&#0?83;/S/g;
       $result =~ s/&#0?84;/T/g;
       $result =~ s/&#0?85;/U/g;
       $result =~ s/&#0?86;/V/g;
       $result =~ s/&#0?87;/W/g;
       $result =~ s/&#0?88;/X/g;
       $result =~ s/&#0?89;/Y/g;
       $result =~ s/&#0?90;/Z/g;
       $result =~ s/&#0?91;/[/g;
       $result =~ s/&#0?92;/\\/g;
       $result =~ s/&#0?93;/]/g;
   #    $result =~ s/&#0?94;//g;
   #    $result =~ s/&#0?95;//g;
       $result =~ s/&#0?96;/`/g;
       $result =~ s/&#0?97;/a/g;
       $result =~ s/&#0?98;/b/g;
       $result =~ s/&#0?99;/c/g;
       $result =~ s/&#100;/d/g;
       $result =~ s/&#101;/e/g;
       $result =~ s/&#102;/f/g;
       $result =~ s/&#103;/g/g;
       $result =~ s/&#104;/h/g;
       $result =~ s/&#105;/i/g;
       $result =~ s/&#106;/j/g;
       $result =~ s/&#107;/k/g;
       $result =~ s/&#108;/l/g;
       $result =~ s/&#109;/m/g;
       $result =~ s/&#110;/n/g;
       $result =~ s/&#111;/o/g;
       $result =~ s/&#112;/p/g;
       $result =~ s/&#113;/q/g;
       $result =~ s/&#114;/r/g;
       $result =~ s/&#115;/s/g;
       $result =~ s/&#116;/t/g;
       $result =~ s/&#117;/u/g;
       $result =~ s/&#118;/v/g;
       $result =~ s/&#119;/w/g;
       $result =~ s/&#120;/x/g;
       $result =~ s/&#121;/y/g;
       $result =~ s/&#122;/z/g;
       $result =~ s/&#123;/\\{/g;
       $result =~ s/&#124;/\|/g;
       $result =~ s/&#125;/\\}/g;
       $result =~ s/&#126;/\~/g;
       $result =~ s/&#130;/,/g;
   #    $result =~ s/&#131;//g;
       $result =~ s/&#132;/''/g;
       $result =~ s/&#133;/\$\\ldots\$/g;
       $result =~ s/&#134;/\$\\dagger\$/g;
       $result =~ s/&#135;/\$\\ddagger\$/g;
   #    $result =~ s/&#136;//g;
   #    $result =~ s/&#137;//g;
   #    $result =~ s/&#138;//g;
       $result =~ s/&#139;/\$<\$/g;
   #    $result =~ s/&#140;//g;
       $result =~ s/&#145;/`/g;
       $result =~ s/&#146;/'/g;
       $result =~ s/&#147;/``/g;
       $result =~ s/&#148;/''/g;
       $result =~ s/&#149;/\$\\bullet\$/g;
   #    $result =~ s/&#150;//g;
   #    $result =~ s/&#151;//g;
       $result =~ s/&#152;/~/g;
   #    $result =~ s/&#153;//g;
   #    $result =~ s/&#154;//g;
       $result =~ s/&#155;/\$>\$/g;
       $result =~ s/&#156;/\\{\\oe\\}/g;
       $result =~ s/&#159;/\\"\\{Y\\}/g;
       $result =~ s/&#160;//g;
       $result =~ s/&nbsp;//g;
       $result =~ s/&#161;/!`/g;
       $result =~ s/&iexcl;/!`/g; #`
   #    $result =~ s/&#162;//g;
   #    $result =~ s/&cent;//g;
       $result =~ s/&#163;/\\pounds/g; 
       $result =~ s/&pound;/\\pounds/g;
   #    $result =~ s/&#164;//g;
   #    $result =~ s/&curren;//g;
   #    $result =~ s/&#165;//g;
   #    $result =~ s/&yen;//g;
   #    $result =~ s/&#166;//g;
   #    $result =~ s/&brvbar;//g;
   #    $result =~ s/&#167;//g;
   #    $result =~ s/&sect;//g;
   #    $result =~ s/&#168;//g;
   #    $result =~ s/&uml;//g;
       $result =~ s/&#169;/\\copyright/g;
       $result =~ s/&copy;/\\copyright/g;
   #    $result =~ s/&#170;//g;
   #    $result =~ s/&ordf;//g;
   #    $result =~ s/&#171;//g;
   #    $result =~ s/&laquo;//g;
       $result =~ s/&#172;/\$\\neg\$/g;
       $result =~ s/&not;/\$\\neg\$/g;
   #    $result =~ s/&#173;//g;
   #    $result =~ s/&shy;//g;
   #    $result =~ s/&#174;//g;
   #    $result =~ s/&reg;//g;
   #    $result =~ s/&#175;//g;
   #    $result =~ s/&macr;//g;
       $result =~ s/&#176;/\$^{\\circ}\$/g;
       $result =~ s/&deg;/\$^{\\circ}\$/g;
       $result =~ s/&#177;/\$\\pm\$/g;
       $result =~ s/&plusmn;/\$\\pm\$/g;
       $result =~ s/&#178;/\$^2\$/g;
       $result =~ s/&sup2;/\$^2\$/g;
       $result =~ s/&#179;/\$^3\$/g;
       $result =~ s/&sup3;/\$^3\$/g;
   #    $result =~ s/&#180;//g;
   #    $result =~ s/&acute;//g;
       $result =~ s/&#181;/\$\\mu\$/g;
       $result =~ s/&micro;/\$\\mu\$/g;
       $result =~ s/&#182;/\\P/g;
       $result =~ s/&para;/\\P/g;
       $result =~ s/&#183;/\$\\cdot\$/g;
       $result =~ s/&middot;/\$\\cdot\$/g;
   #    $result =~ s/&#184;//g;
   #    $result =~ s/&cedil;//g;
       $result =~ s/&#185;/\$^1\$/g;
       $result =~ s/&sup1;/\$^1\$/g;
   #    $result =~ s/&#186;//g;
   #    $result =~ s/&ordm;//g;
   #    $result =~ s/&#187;//g;
   #    $result =~ s/&raquo;//g;
   #    $result =~ s/&#188;//g;
   #    $result =~ s/&frac14;//g;
   #    $result =~ s/&#189;//g;
   #    $result =~ s/&frac12;//g;
   #    $result =~ s/&#190;//g;
   #    $result =~ s/&frac34;//g;
       $result =~ s/&#191;/?`/g;
       $result =~ s/&iquest;/?`/g; 
       $result =~ s/&#192;/\\`{A}/g;
       $result =~ s/&Agrave;/\\`{A}/g; 
       $result =~ s/&#193;/\\'{A}/g; 
       $result =~ s/&Aacute;/\\'{A}/g; 
       $result =~ s/&#194;/\\^{A}/g;
       $result =~ s/&Acirc;/\\^{A}/g;
       $result =~ s/&#195;/\\~{A}/g;
       $result =~ s/&Atilde;/\\~{A}/g;
       $result =~ s/&#196;/\\"{A}/g; 
       $result =~ s/&Auml;/\\"{A}/g; 
       $result =~ s/&#197;/{\\AA}/g;
       $result =~ s/&Aring;/{\\AA}/g;
       $result =~ s/&#198;/{\\AE}/g;
       $result =~ s/&AElig;/{\\AE}/g;
   #    $result =~ s/&#199;//g;
   #    $result =~ s/&Ccedil;//g;
       $result =~ s/&#200;/\\`{E}/g;
       $result =~ s/&Egrave;/\\`{E}/g;
       $result =~ s/&#201;/\\'{E}/g;
       $result =~ s/&Eacute;/\\'{E}/g;
       $result =~ s/&#202;/\\^{E}/g;
       $result =~ s/&Ecirc;/\\^{E}/g;
       $result =~ s/&#203;/\\`{E}/g;
       $result =~ s/&Euml;/\\`{E}/g;
       $result =~ s/&#204;/\\`{I}/g;
       $result =~ s/&Igrave;/\\`{I}/g; 
       $result =~ s/&#205;/\\'{I}/g; 
       $result =~ s/&Iacute;/\\'{I}/g; 
       $result =~ s/&#206;/\\^{I}/g;
       $result =~ s/&Icirc;/\\^{I}/g;
       $result =~ s/&#207;/\\"{I}/g; 
       $result =~ s/&Iuml;/\\"{I}/g; 
   #    $result =~ s/&#208;//g;
   #    $result =~ s/&ETH;//g;
       $result =~ s/&#209;/\\~{N}/g;
       $result =~ s/&Ntilde;/\\~{N}/g;
       $result =~ s/&#210;/\\`{O}/g;
       $result =~ s/&Ograve;/\\`{O}/g; 
       $result =~ s/&#211;/\\'{O}/g;
       $result =~ s/&Oacute;/\\'{O}/g; 
       $result =~ s/&#212;/\\^{O}/g;
       $result =~ s/&Ocirc;/\\^{O}/g;
       $result =~ s/&#213;/\\~{O}/g;
       $result =~ s/&Otilde;/\\~{O}/g;
       $result =~ s/&#214;/\\"{O}/g;
       $result =~ s/&Ouml;/\\"{O}/g; 
       $result =~ s/&#215;/\$\\times\$/g;
       $result =~ s/&times;/\$\\times\$/g;
       $result =~ s/&#216;/{\\O}/g;
       $result =~ s/&Oslash;/{\\O}/g;
       $result =~ s/&#217;/\\`{U}/g;
       $result =~ s/&Ugrave;/\\`{U}/g;
       $result =~ s/&#218;/\\'{U}/g;
       $result =~ s/&Uacute;/\\'{U}/g;
       $result =~ s/&#219;/\\^{U}/g;
       $result =~ s/&Ucirc;/\\^{U}/g;
       $result =~ s/&#220;/\\"{U}/g;
       $result =~ s/&Uuml;/\\"{U}/g;
       $result =~ s/&#221;/\\'{Y}/g;
       $result =~ s/&Yacute;/\\'{Y}/g;
   #    $result =~ s/&#222;//g;
   #    $result =~ s/&THORN;//g;
   #    $result =~ s/&#223;//g;
   #    $result =~ s/&szlig;//g;
       $result =~ s/&#224;/\\`{a}/g;
       $result =~ s/&agrave;/\\`{a}/g;
       $result =~ s/&#225;/\\'{a}/g;
       $result =~ s/&aacute;/\\'{a}/g;
       $result =~ s/&#226;/\\^{a}/g;
       $result =~ s/&acirc;/\\^{a}/g;
       $result =~ s/&#227;/\\~{a}/g;
       $result =~ s/&atilde;/\\~{a}/g;
       $result =~ s/&#228;/\\"{a}/g;
       $result =~ s/&auml;/\\"{a}/g;
       $result =~ s/&#229;/{\\aa}/g;
       $result =~ s/&aring;/{\\aa}/g;
       $result =~ s/&#230;/{\\ae}/g;
       $result =~ s/&aelig;/{\\ae}/g;
   #    $result =~ s/&#231;//g;
   #    $result =~ s/&ccedil;//g;
       $result =~ s/&#232;/\\`{e}/g;
       $result =~ s/&egrave;/\\`{e}/g;
       $result =~ s/&#233;/\\'{e}/g;
       $result =~ s/&eacute;/\\'{e}/g;
       $result =~ s/&#234;/\\^{e}/g;
       $result =~ s/&ecirc;/\\^{e}/g;
       $result =~ s/&#235;/\\"{e}/g;
       $result =~ s/&euml;/\\"{e}/g;
       $result =~ s/&#236;/\\`{i}/g;
       $result =~ s/&igrave;/\\`{i}/g;
       $result =~ s/&#237;/\\'{i}/g;
       $result =~ s/&iacute;/\\'{i}/g;
       $result =~ s/&#238;/\\^{i}/g;
       $result =~ s/&icirc;/\\^{i}/g;
       $result =~ s/&#239;/\\"{i}/g;
       $result =~ s/&iuml;/\\"{i}/g;
   #    $result =~ s/&#240;//g;
   #    $result =~ s/&eth;//g;
       $result =~ s/&#241;/\\~{n}/g;
       $result =~ s/&ntilde;/\\~{n}/g;
       $result =~ s/&#242;/\\`{o}/g;
       $result =~ s/&ograve;/\\`{o}/g;
       $result =~ s/&#243;/\\'{o}/g;
       $result =~ s/&oacute;/\\'{o}/g;
       $result =~ s/&#244;/\\^{o}/g;
       $result =~ s/&ocirc;/\\^{o}/g;
       $result =~ s/&#245;/\\~{o}/g;
       $result =~ s/&otilde;/\\~{o}/g;
       $result =~ s/&#246;/\\"{o}/g;
       $result =~ s/&ouml;/\\"{o}/g;
       $result =~ s/&#247;/\$\\div\$/g;
       $result =~ s/&divide;/\$\\div\$/g;
       $result =~ s/&#248;/{\\o}/g;
       $result =~ s/&oslash;/{\\o}/g;
       $result =~ s/&#249;/\\`{u}/g; 
       $result =~ s/&ugrave;/\\`{u}/g;
       $result =~ s/&#250;/\\'{u}/g;
       $result =~ s/&uacute;/\\'{u}/g;
       $result =~ s/&#251;/\\^{u}/g;
       $result =~ s/&ucirc;/\\^{u}/g;
       $result =~ s/&#252;/\\"{u}/g;
       $result =~ s/&uuml;/\\"{u}/g;
       $result =~ s/&#253;/\\'{y}/g;
       $result =~ s/&yacute;/\\'{y}/g;
   #    $result =~ s/&#254;//g;
   #    $result =~ s/&thorn;//g;
       $result =~ s/&#255;/\\"{y}/g;
       $result =~ s/&yuml;/\\"{y}/g;
       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\\endfirsthead\\endhead/$1$insert/g;
       $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
       return $result,$number_of_columns;
   }
   
   
   sub details_for_menu {
   
       my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
       my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
       my ($map,$id,$resource)=split(/___/,$symbolic);
       my $name_of_sequence = $hash{'title_'.$hash{'ids_/res/'.$map}};
       if ($name_of_sequence =~ /^\s*$/) {
         $map =~ m|([^/]+)$|;
         $name_of_sequence = $1;
       }
       my $name_of_map = $hash{'title_'.$hash{'ids_/res/'.$ENV{'request.course.uri'}}};
       if ($name_of_map =~ /^\s*$/) {
         $ENV{'request.course.uri'} =~ m|([^/]+)$|;
         $name_of_map = $1;
       }
       return ($name_of_resourse,$name_of_sequence,$name_of_map);
   
   }
   
   
 sub handler {  sub handler {
   
     my $r = shift;      my $r = shift;
   
       my $loaderror=&Apache::lonnet::overloaderror($r);
       if ($loaderror) { return $loaderror; }
       $loaderror=
          &Apache::lonnet::overloaderror($r,
            $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
       if ($loaderror) { return $loaderror; }
   
     $r->content_type('text/html');      $r->content_type('text/html');
     $r->send_http_header;      $r->send_http_header;
       $r->print(&Apache::loncommon::bodytag("Printing"));
   
       if ($ENV{'request.course.id'}) {
    my $fn=$ENV{'request.course.fn'};
    tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
       }
   
 #-- 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);
     }      }
   #-- additional menu for class printing
        if ($ENV{'form.phase'} eq 'two') {
    if($ENV{'form.choice'} eq 'All class print') {
        &additional_class_menu($r);
    } elsif($ENV{'form.choice'} eq 'Subdirectory print') {
        &problem_choice_menu($r);
    } else {
        $ENV{'form.phase'} = 'three';
    }
        }
   #-- additional menu for page layout (one column case)
       if ($ENV{'form.phase'} eq 'three') {
    if($ENV{'form.numberofcolumns'} == 1) {
       &additional_print_menu($r);
    } else {
       $ENV{'form.phase'} = 'four';
    }
       }
 #-- core part   #-- core part 
     if ($ENV{'form.phase'} eq 'two') {      if ($ENV{'form.phase'} eq 'four') {
  &output_data($r);   &output_data($r);
       }
     }      untie %hash;
     return OK;      return OK;
      
 }   } 
   
   
 1;  1;
 __END__  __END__
   
   
 #    my $ere;  
 #    foreach $ere (%ENV) {  
 # $r->print(' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n");  
 #    }  
Removed from v.1.10  
changed lines
  Added in v.1.73

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