Diff for /loncom/interface/lonprintout.pm between versions 1.38 and 1.163

version 1.38, 2002/07/16 20:30:53 version 1.163, 2003/05/12 20:29:39
Line 43  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::inputtags;
   use Apache::grades;
 use Apache::edit;  use Apache::edit;
 use Apache::File();  use Apache::File();
   use Apache::lonnavmaps;
 use POSIX qw(strftime);  use POSIX qw(strftime);
   use GDBM_File;
   
   
   my %hash;
   my $LaTeXwidth = 0;
   
 sub headerform {  sub headerform {
     my $r = shift;      my $r = shift;
     $r->print(<<ENDHEADER);      $r->print(<<ENDHEADER);
Line 58  sub headerform { Line 65  sub headerform {
 </head>  </head>
 <body bgcolor="FFFFFF">  <body bgcolor="FFFFFF">
 <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">  <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
 <tt>$ENV{'form.postdata'}</tt><p>  
 <h1>What do you want to print? Make a choice.</h1><br />  
 ENDHEADER  ENDHEADER
   
       if ($ENV{'form.postdata'}=~m|^/res/|) {
    $r->print(<<ENDHEADER1);
   <b>Path to current document: </b><tt>$ENV{'form.postdata'}</tt><p>
   ENDHEADER1
       }
 }  }
   
   
 sub menu_for_output {  sub menu_for_output {
     my $r = shift;      my $r = shift;
       my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu;
       my $assignment = $title_for_sequence;
       if ($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.'"';}
       $ENV{'form.postdata'} =~ s|http://[^/]+||;
       my $subdir_to_print = $ENV{'form.postdata'};
       $subdir_to_print =~ m/\/([^\/]+)$/;
       $subdir_to_print =~ s/\Q$1\E//;
     $r->print(<<ENDMENUOUT1);      $r->print(<<ENDMENUOUT1);
   <h1>What do you want to print? Make a choice.</h1><br />
 <input type="hidden" name="phase" value="two">  <input type="hidden" name="phase" value="two">
 <input type="hidden" name="url" value="$ENV{'form.postdata'}">  <input type="hidden" name="url" value="$ENV{'form.postdata'}">
 <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document  <input type="hidden" name="assignment" value="$assignment">
 (you will print what you see on the screen)<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">  All problems from the primary sequence<br />  (prints what you just saw on the screen)<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 />  
 ENDMENUOUT1  ENDMENUOUT1
     my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});      if ($ENV{'form.postdata'}=~/\/res\//) {
     $subdirtoprint =~ s/\/[^\/]+$//;  
     if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {  
  $r->print(<<ENDMENUOUT2);   $r->print(<<ENDMENUOUT2);
 <input type="radio" name="choice" value="Subdirectory print">  All problems from current subdirectory (where this particular problem is)<br />  <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Problem(s) from <b>$title_for_sequence</b><br />
   <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  Problem(s) plus page(s) or html/xml file(s) from <b>$title_for_sequence</b><br />
 ENDMENUOUT2  ENDMENUOUT2
 }      }
     $r->print(<<ENDMENUOUT3);      if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) { 
    $r->print(<<ENDMENUOUT6);
   <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems in this course (<b>warning:</b> this may be time consuming) <br />
   <br />
   <input type="radio" name="choice" value="All class print">  All problems from <b>$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',$subdirtoprint) eq 'F') and ($ENV{'form.postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) {
     $r->print(<<ENDMENUOUT4);
     <input type="radio" name="choice" value="Subdirectory print">  Problems from current subdirectory <b>$subdir_to_print</b><br />
   ENDMENUOUT4
         }
       $r->print(<<ENDMENUOUT5);
 <br /><hr /><br />  <br /><hr /><br />
 <h1>And what page format do you prefer?</h1>  <h1>And what page format do you prefer?</h1>
 <table>  <table>
Line 94  ENDMENUOUT2 Line 125  ENDMENUOUT2
    </td>     </td>
    <td>&nbsp;</td>     <td>&nbsp;</td>
    <td rawspan="2">     <td rawspan="2">
      Number of columns: <input type="text" size="2" name="numberofcolumns" value="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>     </td>
  </tr>   </tr>
   
 </table>  </table>
 </br>   </br> 
 <input type="submit" value="Submit your choice">  <input type="submit" value="Submit your choice">
   ENDMENUOUT5
   }
   
   
   sub sequence_content_menu {
       my ($key_to,$r) = @_;
       my $primary_sequence;
       my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
       my @sequence = split('___',$symbolic);
       $primary_sequence=&Apache::lonnet::clutter($sequence[0]);
       my @master_seq = &coming_from_hash($primary_sequence);
       my @titles_master_seq = (); 
       for (my $i=0;$i<=$#master_seq;$i++) {
    my ($path,$title,$symb) = split /&&/,$master_seq[$i];
    $master_seq[$i] = $path.'&&'.$symb;
           push @titles_master_seq,  $title;
       }
       my @master_seq_view = @master_seq;
       if ($ENV{'user.adv'}) {
         for (my $i=0;$i<=$#master_seq_view;$i++) {
    $master_seq_view[$i]=~/___\d+___(.+)$/;
    $master_seq_view[$i]='/'.$1;
         }
       } else {
         for (my $i=0;$i<=$#master_seq_view;$i++) {
            $master_seq_view[$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="papersize" value="$ENV{'form.papersize'}">
   <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
   <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
   <h1>Mark item(s) 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('whatfile')==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('whatfile')==0) {
         document.forms.printform.elements[i].checked=false;
               }
           }
       }
   </script>
   <b>
   <input type=button onClick="checkall()" value="Check All">&nbsp;
   <input type=button onClick="uncheckall()" value="Uncheck">&nbsp;
   <input type="submit" value="Submit">
   <p>
   ENDMENUOUT1
       my $inc=0; 
       for (my $i=0;$i<=$#master_seq_view;$i++) {
         if ($key_to==1 && $master_seq[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
    $r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '."\n".'<b>'.
                     $titles_master_seq[$i].'</b>&nbsp;&nbsp;&nbsp;<small>'.$master_seq_view[$i].'</small>');
           $inc++;
       } elsif ($key_to==0 && $master_seq[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) {
    $r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '."\n".'<b>'.
                     $titles_master_seq[$i].'</b>&nbsp;&nbsp;&nbsp;<small>'.$master_seq_view[$i].'</small>');
           $inc++;
         }
       }
       $r->print(<<ENDMENUOUT2);
   <br /><br />
   <input type="hidden" name="numberoffiles" value="$inc">
   <input type="hidden" name="phase" value="three">
   <input type=button onClick="checkall()" value="Check All">&nbsp;
   <input type=button onClick="uncheckall()" value="Uncheck">&nbsp;
   <input type="submit" value="Submit">
   ENDMENUOUT2
   
   }
   
   
   sub problem_choice_menu {
       my $r = shift;
       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
       $subdirtoprint =~ s/\/[^\/]+$//;
       my @list_of_files = ();
       my @content_directory = ();
       $r->print("Subdir: " . $subdirtoprint . "<br />");
       if ($subdirtoprint =~ m|/home/([^/]+)/public_html|) {
    #localmachine CSTR space
    my $user=$1;
    my $domain=$Apache::lonnet::perlvar{'lonDefDomain'};
    @content_directory = &Apache::lonnet::dirlist($subdirtoprint,
         $domain, $user,'');
       } else {
           #local library server res space (allows to print only from the own library server)
    @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');
       }
       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">&nbsp;
   <input type="submit" value="Submit">
   <p>
   ENDMENUOUT1
       my $i=0;
       foreach my $file (sort @list_of_files) {
    $r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.
                     $file);
    $i++;
       }
       $r->print(<<ENDMENUOUT2);
   <br /><br />
   <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
   <input type="hidden" name="numberofproblems" value="$i">
   <input type="hidden" name="phase" value="three">
   <input type=button onClick="checkall()" value="Check All">&nbsp;
   <input type=button onClick="uncheckall()" value="Uncheck">&nbsp;
   <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="$ENV{'form.numberofcolumns'}">
   <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
   <h1>Select student(s) whose assignment 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="Type Section/Group then click">
   <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'});
      if ($section == -1) { $section = ''; }
              $r->print(
           '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.
         $reply{'firstname'}.' '. 
                         $reply{'middlename'}.' '.
                         $reply{'lastname'}.' '.
                         $reply{'generation'}.
                         ' ('.$_.') '.$section);
      $i++;
           } 
       }
       $r->print(<<ENDMENUOUT2);
   <br /><br /><br />
   <table><tr><td width=300>Number of blank pages added to each student assignments to print these assignments on physically different sheets (<b>requires manual addjustment</b>): <select name="addedpages"><option selected>0</option>
                                                                               <option>1</option>
                                                                               <option>2</option>
                                                                               <option>3</option>
                                                     </select></td></tr></table>
   <br /> 
   <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
   <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}.'">';
       }
       for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {
    $what_to_print .= '<input type="hidden" name="whatfile'.$i.'" value="'.$ENV{'form.whatfile'.$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="papersize" value="$ENV{'form.papersize'}">
   <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">
   <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">
   <input type="hidden" name="numberoffiles" value="$ENV{'form.numberoffiles'}">
   <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
   <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
   <input type="hidden" name="addedpages" value="$ENV{'form.addedpages'}">
   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>
 ENDMENUOUT3  ENDMENUOUT
 }  }
   
   
   
   
 sub output_data {  sub output_data {
     my $r = shift;      my $r = shift;
     $r->print(<<ENDPART);      $r->print(<<ENDPART);
Line 122  ENDPART Line 447  ENDPART
   
     my $choice = $ENV{'form.choice'};      my $choice = $ENV{'form.choice'};
     my $layout = $ENV{'form.layout'};      my $layout = $ENV{'form.layout'};
     my $numberofcolumns = $ENV{'form.numberofcolumns'};                     my $numberofcolumns = $ENV{'form.numberofcolumns'};  
       my $papersize = $ENV{'form.papersize'};          
     my $laystyle = 'book';      my $laystyle = 'book';
       my $assignment =  $ENV{'form.assignment'};
       if ($choice eq 'Subdirectory print') {
    if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}
    if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}
    if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}
       }
       if (($choice eq 'Standard LaTeX output for current document') &&
    ($ENV{'form.url'}=~m|^/~|)) {
    if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}
    if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}
    if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}
       }
     my $result = '';      my $result = '';
     my $number_of_columns = 1;      my $number_of_columns = 1; #used only for pages to determine the width of the cell
        my $selectionmade = '';
       my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
       if ($numberofcolumns == 1) {
    $textwidth=$ENV{'form.width'};
    $textheight=$ENV{'form.height'};
       }
       my $LaTeXwidth; 
       if ($textwidth=~/(\d+\s*cm)/) {
    $LaTeXwidth = $1*10;
       } elsif ($textwidth=~/(\d+\s*mm)/) {
    $LaTeXwidth = $1;
       }
     if ($choice eq 'Standard LaTeX output for current document') {      if ($choice eq 'Standard LaTeX output for current document') {
       #-- single document - problem, page, html, xml          #-- single document - problem, page, html, xml, ...  
       my %moreenv;        $selectionmade = 1;
       $moreenv{'form.grade_target'}='tex';        if ($ENV{'form.url'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
       $moreenv{'request.filename'}=$ENV{'form.url'};          my %moreenv;
       &Apache::lonnet::appenv(%moreenv);          $moreenv{'form.grade_target'}='tex';
       my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});          if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) {
       &Apache::lonnet::delenv('form.grade_target');    $ENV{'form.url'}=~s/http:\/\/[^\/]+//;
       $result .= $texversion;          }
       $result = &additional_cleanup($result);          $moreenv{'request.filename'}=$ENV{'form.url'};
       if ($ENV{'form.url'}=~m/\.page\s*$/) {($result,$number_of_columns) = &page_cleanup($result);}          $moreenv{'form.textwidth'}=$LaTeXwidth;
     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {          &Apache::lonnet::appenv(%moreenv);
           my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
           &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');
           $result .= $texversion;
           if ($ENV{'form.url'}=~m/\.page\s*$/) {
     ($result,$number_of_columns) = &page_cleanup($result);
           }
         } else {
     $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
     if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
         $result.=$1;
     } else {
         $result.=$ENV{'form.url'};
     }
     $result.=' \end{document}'
         }
       } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or 
                $choice eq 'Standard LaTeX output for whole primary sequence') {
       #-- minimal sequence to which the current document belongs        #-- minimal sequence to which the current document belongs
         #-- where is the primary sequence containing file?          #-- where is the primary sequence containing file?
  my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});          my @master_seq = ();
  $_ = $symbolic;   for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {
  m/([^_]+)_/;      if ($ENV{'form.whatfile'.$i}=~/\S/) {
  my $primary_sequence = '/res/'.$1;   push @master_seq,$ENV{'form.whatfile'.$i};
         #-- 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          #-- produce an output string
    my $flag_latex_header_remove = 'NO';
    my $flag_page_in_sequence = 'NO';
  for (my $i=0;$i<=$#master_seq;$i++) {   for (my $i=0;$i<=$#master_seq;$i++) {
     $_ = $master_seq[$i];             my ($urlp,$symb) = split /&&/, $master_seq[$i];
     m/\"(.*)\"/;  
             $_ = $1;  
             my $urlp = $1;  
     if ($choice eq 'Standard LaTeX output for the primary sequence') {      if ($choice eq 'Standard LaTeX output for the primary sequence') {
  if ($urlp =~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {                $selectionmade = 2;
     my %moreenv;      } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') {
     $moreenv{'form.grade_target'}='tex';                $selectionmade = 3;
     &Apache::lonnet::appenv(%moreenv);      }
     my $texversion=&Apache::lonnet::ssi($urlp);     my %moreenv;
     &Apache::lonnet::delenv('form.grade_target');     $moreenv{'form.grade_target'}='tex';
     $result .= $texversion;             $moreenv{'form.textwidth'}=$LaTeXwidth;
  }     &Apache::lonnet::appenv(%moreenv);
     } else {     #&Apache::lonnet::logthis("Trying to get $urlp with symb $symb");
      my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
      &Apache::lonnet::delenv('form.grade_target','form.textwidth');
      if ($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 {
        $texversion =~ s/\\end{document}//;
      }
      $result .= $texversion;         
      $flag_latex_header_remove = 'YES';   
    }
    &Apache::lonnet::delenv('form.counter');
    if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
    $result .= '\end{document}';
       }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
           # where is the main sequence of the course?
    $selectionmade = 4;
    my $main_seq=&Apache::lonnet::clutter($ENV{'request.course.uri'});
    my @file_seq = &coming_from_hash($main_seq);
    for (my $i=0;$i<=$#file_seq;$i++) {
       my ($path,$title,$symb) = split /&&/,$file_seq[$i];
       $file_seq[$i] = $path.'&&'.$symb;
    }
    my $flag_latex_header_remove = 'NO';
           #-- produce an output string
    for (my $i=0;$i<=$#file_seq;$i++) {
      if (not $file_seq[$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;   my %moreenv;
  $moreenv{'form.grade_target'}='tex';   $moreenv{'form.grade_target'}='tex';
    $moreenv{'form.textwidth'}=$LaTeXwidth;
  &Apache::lonnet::appenv(%moreenv);   &Apache::lonnet::appenv(%moreenv);
  my $texversion=&Apache::lonnet::ssi($urlp);   my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
  &Apache::lonnet::delenv('form.grade_target');   &Apache::lonnet::delenv('form.grade_target','form.textwidth');    
  $result .= $texversion;       if ($flag_latex_header_remove ne 'NO') {
     }      $texversion = &latex_header_footer_remove($texversion);
  }   } else {
  $result = &additional_cleanup($result);      $texversion =~ s/\\end{document}//;
     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {   }
  my @master_seq = ();   $result .= $texversion;  
  my @add_file_seq = ();   $flag_latex_header_remove = 'YES';
 #-- 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);   $result .= '\end{document}';
  my @file_seq = &content_map($filecontents);      } elsif ($choice eq 'All class print') { 
 #-- do we have any other sequence inside?      #-- prints assignments for whole class or for selected students  
  my $i=0;   $selectionmade = 5;
  while ($i<=$#file_seq) {          my @students = ();
     $_ = $file_seq[$i];   for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
     if (/\.sequence$/) {      if ($ENV{'form.whomtoprint'.$i}=~/:/) {
  $file = &Apache::lonnet::filelocation("",$file_seq[$i]);   push @students,$ENV{'form.whomtoprint'.$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;   #where is the primary sequence containing current resource (the same for all students)?
 #-- produce an output string   my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
    my @sequence = split('___',$symbolic);
    my $primary_sequence;
   
    $primary_sequence=&Apache::lonnet::clutter($sequence[0]);
    my @master_seq = &coming_from_hash($primary_sequence); 
  for (my $i=0;$i<=$#master_seq;$i++) {   for (my $i=0;$i<=$#master_seq;$i++) {
     $_ = $master_seq[$i];      my ($path,$title,$symb) = split /&&/,$master_seq[$i];
     m/\"(.*)\"/;      $master_seq[$i] = $path.'&&'.$symb;
             $_ = $1;   }
             my $urlp = $1;          #loop over students
             if (/\.(problem|exam|quiz|assess|survey|form|library)/) {   my $flag_latex_header_remove = 'NO'; 
    my %moreenv;
    $moreenv{'form.textwidth'}=$LaTeXwidth;
    &Apache::lonnet::appenv(%moreenv);
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
    foreach my $person (@students) {
       my $current_output = ''; 
       my ($usersection,$username,$userdomain) = split /:/,$person;
       my $fullname = &get_name($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';
    }
       }
       my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
       if ($current_output=~/\\documentclass/) {
    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\vskip 3 mm /;
       } else {
    my $blanspages = '';
    for (my $j=0;$j<$ENV{'form.addedpages'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
    $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;
       }
       $result .= $current_output;
       &Apache::lonnet::delenv('form.counter');    
       &Apache::lonxml::init_counter(); 
       &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
       'last student '.$fullname);
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $result .= '\end{document}';
    &Apache::lonnet::delenv('form.textwidth');
       } elsif ($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;   my %moreenv;
  $moreenv{'form.grade_target'}='tex';   $moreenv{'form.grade_target'}='tex';
    $moreenv{'form.textwidth'}=$LaTeXwidth;
  &Apache::lonnet::appenv(%moreenv);   &Apache::lonnet::appenv(%moreenv);
    if ($urlp =~ m|/home/([^/]+)/public_html|) {
       $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
    } else {
       $urlp =~ s|^/home/httpd/html||;
    }
  my $texversion=&Apache::lonnet::ssi($urlp);   my $texversion=&Apache::lonnet::ssi($urlp);
  &Apache::lonnet::delenv('form.grade_target');   &Apache::lonnet::delenv('form.grade_target','form.textwidth');
  $result .= $texversion;                          #this chunck is responsible for printing the path to problem
     }   my $newurlp = '';
  }       my $HowMany = length($urlp)*2;
  $result = &additional_cleanup($result);   if ($HowMany > $LaTeXwidth) {
     } elsif ($choice eq 'Subdirectory print') {            my @temporrary = split '/',$urlp;
  my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});      my $HowManyNew = 0;
  $subdirtoprint =~ s/\/[^\/]+$//;      for (my $ii=0;$ii<=$#temporrary;$ii++) {
  my @list_of_files = ();   if ($temporrary[$ii] ne '') {
  my $localdirectory = $subdirtoprint;      $HowManyNew += length($temporrary[$ii])*2;
  $localdirectory =~ s/.*(\/res\/)/$1/;      if ($HowManyNew < $LaTeXwidth ) {
  my @content_directory = &Apache::lonnet::dirlist($localdirectory);   $newurlp .=  '/'.$temporrary[$ii];
  for (my $iy=0;$iy<=$#content_directory;$iy++) {      } else {
     my @tempo_array = split(/&/,$content_directory[$iy]);   $HowManyNew = 0;
     $content_directory[$iy] = $tempo_array[0];   $newurlp .=  '|\vskip -1 mm \noindent \verb|';
     if ($content_directory[$iy] =~ m/^[^\.]+\.problem$/) {   $ii--;
  push @list_of_files,$content_directory[$iy];      }
    }
       }
    }
    $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;
    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';  
  }   }
  $localdirectory =~ s/\/$//;   $result .= '\end{document}';      
  for (my $i=0;$i<=$#list_of_files;$i++) {  
     my $urlp = $localdirectory.'/'.$list_of_files[$i];       
     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/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;  
     $result .= $texversion;     
  }  
  $result = &additional_cleanup($result);  
   
   
   
   
   
   
     }      }
 #-- corrections for the different page formats  #-------------------------------------------------------- corrections for the different page formats
     if ($layout eq 'CBI' and $numberofcolumns eq '1') {      $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result,$assignment);
     } elsif ($layout eq 'CBI' and $numberofcolumns eq '2') {      if ($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';          $laystyle = 'album';
     } elsif ($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/\\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 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\\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;  
     }  
 #-- 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      $result = &latex_corrections($number_of_columns,$result);
     $result =~ s/%/\\%/g;   #corrects %      #changes page's parameters for the one column output 
     $result =~ s/(\s)+/$1/g; #removes more than one empty space      if ($ENV{'form.numberofcolumns'} == 1) {
     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;   $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
     $result =~ s/ (<|>|) / \$$1\$ /g; #corrects < or >   $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;
     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;   $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;
     $result =~ s/{\\par }\s*\\\\/\\\\/gm;   $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;
  $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);  
     }      }
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
     my $temp_file;      my $temp_file;
Line 298  ENDPART Line 722  ENDPART
     }       } 
     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&$laystyle">  <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
 </body>  </body>
 </html>  </html>
 FINALEND  FINALEND
 }  }
   
   
   sub coming_from_hash {
   
       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_'.$current_resource}=~/\.sequence$/) {
       push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
    } else {
       my $presymb=&Apache::lonnet::declutter($mainsequence);
       my $rid = $current_resource;
       if ($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;  
       }
       my $symb = $presymb.'___'.$rid.'___'.
    &Apache::lonnet::declutter($hash{'src_'.$current_resource});
       push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$hash{'title_'.$current_resource}.'&&'.$symb;
    }
    $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
       } 
       #needs if final resource in the map (type="finish") contains something
    if ($hash{'src_'.$current_resource}=~/\.sequence$/) {
       push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
    } else {
       my $presymb=&Apache::lonnet::declutter($mainsequence);
       my $rid = $current_resource;
       if ($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;  
       }
       my $symb = $presymb.'___'.$rid.'___'.
    &Apache::lonnet::declutter($hash{'src_'.$current_resource});
       push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$hash{'title_'.$current_resource}.'&&'.$symb;
    }
    $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
       return @resourcelist;
   }
   
   
   sub latex_header_footer_remove {
       my $text = shift;
       $text =~ s/\\end{document}//;
       $text =~ s/\\documentclass([^&]*)\\begin{document}//;
       return $text;
   }
   
   
 sub character_chart {  sub character_chart {
     my $result = shift;      my $result = shift;
     $result =~ s/&#009;//g;      $result =~ s/&\#0?0?(7|9);//g;
     $result =~ s/&#010;//g;      $result =~ s/&\#0?(10|13);//g;
     $result =~ s/&#013;//g;      $result =~ s/&\#0?32;/ /g;
     $result =~ s/&#032;/ /g;      $result =~ s/&\#0?33;/!/g;
     $result =~ s/&#033;/!/g;      $result =~ s/&(\#0?34|quot);/\"/g;
     $result =~ s/&#034;/"/g;      $result =~ s/&\#0?35;/\\\#/g;
     $result =~ s/&quot;/"/g; #"      $result =~ s/&\#0?36;/\\\$/g;
     $result =~ s/&#035;/\\#/g;      $result =~ s/&\#0?37;/\\%/g; 
     $result =~ s/&#036;/\\\$/g;      $result =~ s/&(\#0?38|amp);/\\&/g; 
     $result =~ s/&#037;/\\%/g;       $result =~ s/&\#(0?39|146);/\'/g;
     $result =~ s/&#038;/\\&/g;       $result =~ s/&\#0?40;/(/g;
     $result =~ s/&amp;/\\&/g;      $result =~ s/&\#0?41;/)/g;
     $result =~ s/&#039;/'/g;      $result =~ s/&\#0?42;/\*/g;
     $result =~ s/&#040;/(/g;      $result =~ s/&\#0?43;/\+/g;
     $result =~ s/&#041;/)/g;      $result =~ s/&\#(0?44|130);/,/g;
     $result =~ s/&#042;/\*/g;      $result =~ s/&\#0?45;/-/g;
     $result =~ s/&#043;/\+/g;      $result =~ s/&\#0?46;/\./g;
     $result =~ s/&#044;/,/g;      $result =~ s/&\#0?47;/\//g;
     $result =~ s/&#045;/-/g;      $result =~ s/&\#0?48;/0/g;
     $result =~ s/&#046;/\./g;      $result =~ s/&\#0?49;/1/g;
     $result =~ s/&#047;/\//g;      $result =~ s/&\#0?50;/2/g;
     $result =~ s/&#048;/0/g;      $result =~ s/&\#0?51;/3/g;
     $result =~ s/&#049;/1/g;      $result =~ s/&\#0?52;/4/g;
     $result =~ s/&#050;/2/g;      $result =~ s/&\#0?53;/5/g;
     $result =~ s/&#051;/3/g;      $result =~ s/&\#0?54;/6/g;
     $result =~ s/&#052;/4/g;      $result =~ s/&\#0?55;/7/g;
     $result =~ s/&#053;/5/g;      $result =~ s/&\#0?56;/8/g;
     $result =~ s/&#054;/6/g;      $result =~ s/&\#0?57;/9/g;
     $result =~ s/&#055;/7/g;      $result =~ s/&\#0?58;/:/g;
     $result =~ s/&#056;/8/g;      $result =~ s/&\#0?59;/;/g;
     $result =~ s/&#057;/9/g;      $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
     $result =~ s/&#058;/:/g;      $result =~ s/&\#0?61;/\$=\$/g;
     $result =~ s/&#059;/;/g;      $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
     $result =~ s/&#060;/\$<\$/g;      $result =~ s/&\#0?63;/\?/g;
     $result =~ s/&lt;/\$<\$/g;      $result =~ s/&\#0?65;/A/g;
     $result =~ s/&#061;/\$=\$/g;      $result =~ s/&\#0?66;/B/g;
     $result =~ s/&#062;/\$>\$/g;      $result =~ s/&\#0?67;/C/g;
     $result =~ s/&gt;/\$>\$/g;      $result =~ s/&\#0?68;/D/g;
     $result =~ s/&#063;/?/g;      $result =~ s/&\#0?69;/E/g;
 #    $result =~ s/&#064;//g;      $result =~ s/&\#0?70;/F/g;
     $result =~ s/&#065;/A/g;      $result =~ s/&\#0?71;/G/g;
     $result =~ s/&#066;/B/g;      $result =~ s/&\#0?72;/H/g;
     $result =~ s/&#067;/C/g;      $result =~ s/&\#0?73;/I/g;
     $result =~ s/&#068;/D/g;      $result =~ s/&\#0?74;/J/g;
     $result =~ s/&#069;/E/g;      $result =~ s/&\#0?75;/K/g;
     $result =~ s/&#070;/F/g;      $result =~ s/&\#0?76;/L/g;
     $result =~ s/&#071;/G/g;      $result =~ s/&\#0?77;/M/g;
     $result =~ s/&#072;/H/g;      $result =~ s/&\#0?78;/N/g;
     $result =~ s/&#073;/I/g;      $result =~ s/&\#0?79;/O/g;
     $result =~ s/&#074;/J/g;      $result =~ s/&\#0?80;/P/g;
     $result =~ s/&#075;/K/g;      $result =~ s/&\#0?81;/Q/g;
     $result =~ s/&#076;/L/g;      $result =~ s/&\#0?82;/R/g;
     $result =~ s/&#077;/M/g;      $result =~ s/&\#0?83;/S/g;
     $result =~ s/&#078;/N/g;      $result =~ s/&\#0?84;/T/g;
     $result =~ s/&#079;/O/g;      $result =~ s/&\#0?85;/U/g;
     $result =~ s/&#080;/P/g;      $result =~ s/&\#0?86;/V/g;
     $result =~ s/&#081;/Q/g;      $result =~ s/&\#0?87;/W/g;
     $result =~ s/&#082;/R/g;      $result =~ s/&\#0?88;/X/g;
     $result =~ s/&#083;/S/g;      $result =~ s/&\#0?89;/Y/g;
     $result =~ s/&#084;/T/g;      $result =~ s/&\#0?90;/Z/g;
     $result =~ s/&#085;/U/g;      $result =~ s/&\#0?91;/[/g;
     $result =~ s/&#086;/V/g;      $result =~ s/&\#0?92;/\$\\setminus\$/g;
     $result =~ s/&#087;/W/g;      $result =~ s/&\#0?93;/]/g;
     $result =~ s/&#088;/X/g;      $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
     $result =~ s/&#089;/Y/g;      $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
     $result =~ s/&#090;/Z/g;      $result =~ s/&\#(0?96|145);/\`/g;
     $result =~ s/&#091;/[/g;      $result =~ s/&\#0?97;/a/g;
     $result =~ s/&#092;/\\/g;      $result =~ s/&\#0?98;/b/g;
     $result =~ s/&#093;/]/g;      $result =~ s/&\#0?99;/c/g;
 #    $result =~ s/&#094;//g;      $result =~ s/&\#100;/d/g;
 #    $result =~ s/&#095;//g;      $result =~ s/&\#101;/e/g;
     $result =~ s/&#096;/`/g;      $result =~ s/&\#102;/f/g;
     $result =~ s/&#097;/a/g;      $result =~ s/&\#103;/g/g;
     $result =~ s/&#098;/b/g;      $result =~ s/&\#104;/h/g;
     $result =~ s/&#099;/c/g;      $result =~ s/&\#105;/i/g;
     $result =~ s/&#100;/d/g;      $result =~ s/&\#106;/j/g;
     $result =~ s/&#101;/e/g;      $result =~ s/&\#107;/k/g;
     $result =~ s/&#102;/f/g;      $result =~ s/&\#108;/l/g;
     $result =~ s/&#103;/g/g;      $result =~ s/&\#109;/m/g;
     $result =~ s/&#104;/h/g;      $result =~ s/&\#110;/n/g;
     $result =~ s/&#105;/i/g;      $result =~ s/&\#111;/o/g;
     $result =~ s/&#106;/j/g;      $result =~ s/&\#112;/p/g;
     $result =~ s/&#107;/k/g;      $result =~ s/&\#113;/q/g;
     $result =~ s/&#108;/l/g;      $result =~ s/&\#114;/r/g;
     $result =~ s/&#109;/m/g;      $result =~ s/&\#115;/s/g;
     $result =~ s/&#110;/n/g;      $result =~ s/&\#116;/t/g;
     $result =~ s/&#111;/o/g;      $result =~ s/&\#117;/u/g;
     $result =~ s/&#112;/p/g;      $result =~ s/&\#118;/v/g;
     $result =~ s/&#113;/q/g;      $result =~ s/&\#119;/w/g;
     $result =~ s/&#114;/r/g;      $result =~ s/&\#120;/x/g;
     $result =~ s/&#115;/s/g;      $result =~ s/&\#121;/y/g;
     $result =~ s/&#116;/t/g;      $result =~ s/&\#122;/z/g;
     $result =~ s/&#117;/u/g;      $result =~ s/&\#123;/\\{/g;
     $result =~ s/&#118;/v/g;      $result =~ s/&\#124;/\|/g;
     $result =~ s/&#119;/w/g;      $result =~ s/&\#125;/\\}/g;
     $result =~ s/&#120;/x/g;      $result =~ s/&\#126;/\~/g;
     $result =~ s/&#121;/y/g;      $result =~ s/&\#131;/\\textflorin /g;
     $result =~ s/&#122;/z/g;      $result =~ s/&\#132;/\"/g;
     $result =~ s/&#123;/\\{/g;      $result =~ s/&\#133;/\$\\ldots\$/g;
     $result =~ s/&#124;/\|/g;      $result =~ s/&\#134;/\$\\dagger\$/g;
     $result =~ s/&#125;/\\}/g;      $result =~ s/&\#135;/\$\\ddagger\$/g;
     $result =~ s/&#126;/\~/g;      $result =~ s/&\#137;/\\textperthousand /g;
     $result =~ s/&#130;/,/g;      $result =~ s/&\#140;/{\\OE}/g;
 #    $result =~ s/&#131;//g;      $result =~ s/&\#147;/\`\`/g;
     $result =~ s/&#132;/''/g;      $result =~ s/&\#148;/\'\'/g;
     $result =~ s/&#133;/\$\\ldots\$/g;      $result =~ s/&\#149;/\$\\bullet\$/g;
     $result =~ s/&#134;/\$\\dagger\$/g;      $result =~ s/&\#150;/--/g;
     $result =~ s/&#135;/\$\\ddagger\$/g;      $result =~ s/&\#151;/---/g;
 #    $result =~ s/&#136;//g;      $result =~ s/&\#152;/\$\\sim\$/g;
 #    $result =~ s/&#137;//g;      $result =~ s/&\#153;/\\texttrademark /g;
 #    $result =~ s/&#138;//g;      $result =~ s/&\#156;/\\oe/g;
     $result =~ s/&#139;/\$<\$/g;      $result =~ s/&\#159;/\\\"Y/g;
 #    $result =~ s/&#140;//g;      $result =~ s/&(\#160|nbsp);//g;
     $result =~ s/&#145;/`/g;      $result =~ s/&(\#161|iexcl);/!\`/g;
     $result =~ s/&#146;/'/g;      $result =~ s/&(\#162|cent);/\\textcent /g;
     $result =~ s/&#147;/``/g;      $result =~ s/&(\#163|pound);/\\pounds /g; 
     $result =~ s/&#148;/''/g;      $result =~ s/&(\#164|curren);/\\textcurrency /g;
     $result =~ s/&#149;/\$\\bullet\$/g;      $result =~ s/&(\#165|yen);/\\textyen /g;
 #    $result =~ s/&#150;//g;      $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
 #    $result =~ s/&#151;//g;      $result =~ s/&(\#167|sect);/\\textsection /g;
     $result =~ s/&#152;/~/g;      $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
 #    $result =~ s/&#153;//g;      $result =~ s/&(\#169|copy);/\\copyright /g;
 #    $result =~ s/&#154;//g;      $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
     $result =~ s/&#155;/\$>\$/g;      $result =~ s/&(\#172|not);/\$\\neg\$/g;
     $result =~ s/&#156;/\\{\\oe\\}/g;      $result =~ s/&(\#173|shy);/ - /g;
     $result =~ s/&#159;/\\"\\{Y\\}/g;      $result =~ s/&(\#174|reg);/\\textregistered /g;
     $result =~ s/&#160;//g;      $result =~ s/&(\#175|macr);/\$^{-}\$/g;
     $result =~ s/&nbsp;//g;      $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
     $result =~ s/&#161;/!`/g;      $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
     $result =~ s/&iexcl;/!`/g; #`      $result =~ s/&(\#178|sup2);/\$^2\$/g;
 #    $result =~ s/&#162;//g;      $result =~ s/&(\#179|sup3);/\$^3\$/g;
 #    $result =~ s/&cent;//g;      $result =~ s/&(\#180|acute);/\\textacute /g;
     $result =~ s/&#163;/\\pounds/g;       $result =~ s/&(\#181|micro);/\$\\mu\$/g;
     $result =~ s/&pound;/\\pounds/g;      $result =~ s/&(\#182|para);/\\P/g;
 #    $result =~ s/&#164;//g;      $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
 #    $result =~ s/&curren;//g;      $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
 #    $result =~ s/&#165;//g;      $result =~ s/&(\#185|sup1);/\$^1\$/g;
 #    $result =~ s/&yen;//g;      $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
 #    $result =~ s/&#166;//g;      $result =~ s/&(\#188|frac14);/\\textonequarter /g;
 #    $result =~ s/&brvbar;//g;      $result =~ s/&(\#189|frac12);/\\textonehalf /g;
 #    $result =~ s/&#167;//g;      $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
 #    $result =~ s/&sect;//g;      $result =~ s/&(\#191|iquest);/?\`/g;   
 #    $result =~ s/&#168;//g;      $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
 #    $result =~ s/&uml;//g;      $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
     $result =~ s/&#169;/\\copyright/g;      $result =~ s/&(\#194|Acirc);/\\^{A}/g;
     $result =~ s/&copy;/\\copyright/g;      $result =~ s/&(\#195|Atilde);/\\~{A}/g;
 #    $result =~ s/&#170;//g;      $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
 #    $result =~ s/&ordf;//g;      $result =~ s/&(\#197|Aring);/{\\AA}/g;
 #    $result =~ s/&#171;//g;      $result =~ s/&(\#198|AElig);/{\\AE}/g;
 #    $result =~ s/&laquo;//g;      $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
     $result =~ s/&#172;/\$\\neg\$/g;      $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
     $result =~ s/&not;/\$\\neg\$/g;      $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
 #    $result =~ s/&#173;//g;      $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
 #    $result =~ s/&shy;//g;      $result =~ s/&(\#203|Euml);/\\\"{E}/g;
 #    $result =~ s/&#174;//g;      $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
 #    $result =~ s/&reg;//g;      $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
 #    $result =~ s/&#175;//g;      $result =~ s/&(\#206|Icirc);/\\^{I}/g;
 #    $result =~ s/&macr;//g;      $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
     $result =~ s/&#176;/\$^\\{\\circ\\}\$/g;      $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
     $result =~ s/&deg;/\$^\\{\\circ\\}\$/g;      $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
     $result =~ s/&#177;/\$\\pm\$/g;      $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
     $result =~ s/&plusmn;/\$\\pm\$/g;      $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
     $result =~ s/&#178;/\$^2\$/g;      $result =~ s/&(\#213|Otilde);/\\~{O}/g;
     $result =~ s/&sup2;/\$^2\$/g;      $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
     $result =~ s/&#179;/\$^3\$/g;      $result =~ s/&(\#215|times);/\$\\times\$/g;
     $result =~ s/&sup3;/\$^3\$/g;      $result =~ s/&(\#216|Oslash);/{\\O}/g;
 #    $result =~ s/&#180;//g;      $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
 #    $result =~ s/&acute;//g;      $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
     $result =~ s/&#181;/\$\\mu\$/g;      $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
     $result =~ s/&micro;/\$\\mu\$/g;      $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
     $result =~ s/&#182;/\\P/g;      $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
     $result =~ s/&para;/\\P/g;      $result =~ s/&(\#223|szlig);/\\ss/g;
     $result =~ s/&#183;/\$\\cdot\$/g;      $result =~ s/&(\#224|agrave);/\\\`{a}/g;
     $result =~ s/&middot;/\$\\cdot\$/g;      $result =~ s/&(\#225|aacute);/\\\'{a}/g;
 #    $result =~ s/&#184;//g;      $result =~ s/&(\#226|acirc);/\\^{a}/g;
 #    $result =~ s/&cedil;//g;      $result =~ s/&(\#227|atilde);/\\~{a}/g;
     $result =~ s/&#185;/\$^1\$/g;      $result =~ s/&(\#228|auml);/\\\"{a}/g;
     $result =~ s/&sup1;/\$^1\$/g;      $result =~ s/&(\#229|aring);/{\\aa}/g;
 #    $result =~ s/&#186;//g;      $result =~ s/&(\#230|aelig);/{\\ae}/g;
 #    $result =~ s/&ordm;//g;      $result =~ s/&(\#231|ccedil);/\\c{c}/g;
 #    $result =~ s/&#187;//g;      $result =~ s/&(\#232|egrave);/\\\`{e}/g;
 #    $result =~ s/&raquo;//g;      $result =~ s/&(\#233|eacute);/\\\'{e}/g;
 #    $result =~ s/&#188;//g;      $result =~ s/&(\#234|ecirc);/\\^{e}/g;
 #    $result =~ s/&frac14;//g;      $result =~ s/&(\#235|euml);/\\\"{e}/g;
 #    $result =~ s/&#189;//g;      $result =~ s/&(\#236|igrave);/\\\`{i}/g;
 #    $result =~ s/&frac12;//g;      $result =~ s/&(\#237|iacute);/\\\'{i}/g;
 #    $result =~ s/&#190;//g;      $result =~ s/&(\#238|icirc);/\\^{i}/g;
 #    $result =~ s/&frac34;//g;      $result =~ s/&(\#239|iuml);/\\\"{i}/g;
     $result =~ s/&#191;/?`/g;      $result =~ s/&(\#240|eth);/\$\\partial\$/g;
     $result =~ s/&iquest;/?`/g;       $result =~ s/&(\#241|ntilde);/\\~{n}/g;
     $result =~ s/&#192;/\\`{A}/g;      $result =~ s/&(\#242|ograve);/\\\`{o}/g;
     $result =~ s/&Agrave;/\\`{A}/g;       $result =~ s/&(\#243|oacute);/\\\'{o}/g;
     $result =~ s/&#193;/\\'{A}/g;       $result =~ s/&(\#244|ocirc);/\\^{o}/g;
     $result =~ s/&Aacute;/\\'{A}/g;       $result =~ s/&(\#245|otilde);/\\~{o}/g;
     $result =~ s/&#194;/\\^{A}/g;      $result =~ s/&(\#246|ouml);/\\\"{o}/g;
     $result =~ s/&Acirc;/\\^{A}/g;      $result =~ s/&(\#247|divide);/\$\\div\$/g;
     $result =~ s/&#195;/\\~{A}/g;      $result =~ s/&(\#248|oslash);/{\\o}/g;
     $result =~ s/&Atilde;/\\~{A}/g;      $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
     $result =~ s/&#196;/\\"{A}/g;       $result =~ s/&(\#250|uacute);/\\\'{u}/g;
     $result =~ s/&Auml;/\\"{A}/g;       $result =~ s/&(\#251|ucirc);/\\^{u}/g;
     $result =~ s/&#197;/{\\AA}/g;      $result =~ s/&(\#252|uuml);/\\\"{u}/g;
     $result =~ s/&Aring;/{\\AA}/g;      $result =~ s/&(\#253|yacute);/\\\'{y}/g;
     $result =~ s/&#198;/{\\AE}/g;      $result =~ s/&(\#255|yuml);/\\\"{y}/g;
     $result =~ s/&AElig;/{\\AE}/g;      $result =~ s/&\#952;/\$\\theta\$/g;
 #    $result =~ s/&#199;//g;  #Greek Alphabet
 #    $result =~ s/&Ccedil;//g;      $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
     $result =~ s/&#200;/\\`{E}/g;      $result =~ s/&(beta|\#946);/\$\\beta \$/g;
     $result =~ s/&Egrave;/\\`{E}/g;      $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
     $result =~ s/&#201;/\\'{E}/g;      $result =~ s/&(delta|\#948);/\$\\delta \$/g;
     $result =~ s/&Eacute;/\\'{E}/g;      $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
     $result =~ s/&#202;/\\^{E}/g;      $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
     $result =~ s/&Ecirc;/\\^{E}/g;      $result =~ s/&(eta|\#951);/\$\\eta \$/g;
     $result =~ s/&#203;/\\`{E}/g;      $result =~ s/&(theta|\#952);/\$\\theta \$/g;
     $result =~ s/&Euml;/\\`{E}/g;      $result =~ s/&(iota|\#953);/\$\\iota \$/g;
     $result =~ s/&#204;/\\`{I}/g;      $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
     $result =~ s/&Igrave;/\\`{I}/g;       $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
     $result =~ s/&#205;/\\'{I}/g;       $result =~ s/&(mu|\#956);/\$\\mu \$/g;
     $result =~ s/&Iacute;/\\'{I}/g;       $result =~ s/&(nu|\#957);/\$\\nu \$/g;
     $result =~ s/&#206;/\\^{I}/g;      $result =~ s/&(xi|\#958);/\$\\xi \$/g;
     $result =~ s/&Icirc;/\\^{I}/g;      $result =~ s/&(pi|\#960);/\$\\pi \$/g;
     $result =~ s/&#207;/\\"{I}/g;       $result =~ s/&(rho|\#961);/\$\\rho \$/g;
     $result =~ s/&Iuml;/\\"{I}/g;       $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
 #    $result =~ s/&#208;//g;      $result =~ s/&(tau|\#964);/\$\\tau \$/g;
 #    $result =~ s/&ETH;//g;      $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
     $result =~ s/&#209;/\\~{N}/g;      $result =~ s/&(phi|\#966);/\$\\phi \$/g;
     $result =~ s/&Ntilde;/\\~{N}/g;      $result =~ s/&(chi|\#967);/\$\\chi \$/g;
     $result =~ s/&#210;/\\`{O}/g;      $result =~ s/&(psi|\#968);/\$\\psi \$/g;
     $result =~ s/&Ograve;/\\`{O}/g;       $result =~ s/&(omega|\#969);/\$\\omega \$/g;
     $result =~ s/&#211;/\\'{O}/g;      $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
     $result =~ s/&Oacute;/\\'{O}/g;       $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
     $result =~ s/&#212;/\\^{O}/g;      $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
     $result =~ s/&Ocirc;/\\^{O}/g;      $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
     $result =~ s/&#213;/\\~{O}/g;      $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
     $result =~ s/&Otilde;/\\~{O}/g;      $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
     $result =~ s/&#214;/\\"{O}/g;      $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
     $result =~ s/&Ouml;/\\"{O}/g;       $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
     $result =~ s/&#215;/\$\\times\$/g;      $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
     $result =~ s/&times;/\$\\times\$/g;      $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
     $result =~ s/&#216;/{\\O}/g;      $result =~ s/&(Omega|\#937);/\$\\Omega \$/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;      return $result;
 }  }
   
 sub additional_cleanup {  
     my $result = shift;      sub page_format {
     my $first_app = index($result,'\documentclass',0);   my ($papersize,$layout,$numberofcolumns) = @_; 
     $first_app = index($result,'\documentclass',$first_app+5);   my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
     while ($first_app != -1) {   if ($papersize=~/Letter/) {
  my $second_app = index($result,'begin{document}',$first_app);      if ($layout eq 'CAPA') {
  $first_app = rindex($result,'\end{document}',$first_app);   if ($numberofcolumns == 1) {
  substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';      $textwidth = '18 cm';
  $first_app = index($result,'\documentclass',$first_app+5);      $textheight = '25.9 cm';
       $oddoffset = '-0.57 in';
       $evenoffset = '-0.57 in';
    } elsif ($numberofcolumns == 2) {
       $textwidth = '93 mm';
       $textheight = '25.9 cm';
       $oddoffset = '-0.57 in';
       $evenoffset = '-0.57 in';
    }
       } elsif ($layout eq 'CBI') {
    if ($numberofcolumns eq '1') {
       $textwidth = '8.8 in';
       $textheight = '6.8 in';
       $oddoffset = '-40 pt';
       $evenoffset = '-60 pt';
    } elsif ($numberofcolumns == 2) {
       $textwidth = '4.2 in';
       $textheight = '6.8 in';
       $oddoffset = '-40 pt';
       $evenoffset = '-60 pt';
    }
       }
   #    } elsif($papersize=~/Legal/) {
   #    } elsif($papersize=~/Ledger/) {
   #    } elsif($papersize=~/Executive/) {
       } elsif($papersize=~/A4/) {
       if ($layout eq 'CAPA') {
    if ($numberofcolumns == 1) {
       $textwidth = '18 cm';
       $textheight = '28 cm';
       $oddoffset = '-0.57 in';
       $evenoffset = '-0.57 in';
    } elsif ($numberofcolumns == 2) {
       $textwidth = '96 mm';
       $textheight = '2 cm';
       $oddoffset = '-0.57 in';
       $evenoffset = '-0.57 in';
    }
       } elsif ($layout eq 'CBI') {
    if ($numberofcolumns eq '1') {
       $textwidth = '8.5 in';
       $textheight = '7.7 in';
       $oddoffset = '-40 pt';
       $evenoffset = '-60 pt';
    } elsif ($numberofcolumns == 2) {
       $textwidth = '3.9 in';
       $textheight = '7.7 in';
       $oddoffset = '-40 pt';
       $evenoffset = '-60 pt';
    }
       }
   #    } elsif($papersize=~/A3/) {
   #    } elsif($papersize=~/A2/) {
   #    } elsif($papersize=~/A5/) {
   #    } elsif($papersize=~/A6/) {
    }
    return $textwidth,$textheight,$oddoffset,$evenoffset;
   }
   
   
   sub page_format_new {
   #
   #Correspondence between $papersize variable and real paper format:
   # 0 - "Letter [8 1/2x11 in]"
   # 1 - "Legal [8 1/2x14 in]"
   # 2 - "Ledger/Tabloid [11x17 in]"
   # 3 - "Executive [7 1/2x10 in]"
   # 4 - "A2 [420x594 mm]"
   # 5 - "A3 [297x420 mm]"
   # 6 - "A4 [210x297 mm]"
   # 7 - "A5 [148x210 mm]"
   # 8 - "A6 [105x148 mm]"
   # 
       my ($papersize,$layout,$numberofcolumns) = @_; 
       my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
       if ($papersize eq '0') {
    if ($layout eq 'book') {
       if ($numberofcolumns == 1) {
    $textwidth = '18 cm';
    $textheight = '25.9 cm';
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '93 mm';
    $textheight = '25.9 cm';
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
       }
    } elsif ($layout eq 'album') {
       if ($numberofcolumns eq '1') {
    $textwidth = '8.8 in';
    $textheight = '6.8 in';
    $oddoffset = '-40 pt';
    $evenoffset = '-60 pt';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '4.2 in';
    $textheight = '6.8 in';
    $oddoffset = '-40 pt';
    $evenoffset = '-60 pt';
       }
    }
   #    } elsif($papersize eq '1') {
   #    } elsif($papersize eq '2') {
   #    } elsif($papersize eq '3'/) {
       } elsif($papersize eq '6') {
    if ($layout eq 'book') {
       if ($numberofcolumns == 1) {
    $textwidth = '18 cm';
    $textheight = '28 cm';
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '96 mm';
    $textheight = '2 cm';
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
       }
    } elsif ($layout eq 'album') {
       if ($numberofcolumns eq '1') {
    $textwidth = '8.5 in';
    $textheight = '7.7 in';
    $oddoffset = '-40 pt';
    $evenoffset = '-60 pt';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '3.9 in';
    $textheight = '7.7 in';
    $oddoffset = '-40 pt';
    $evenoffset = '-60 pt';
       }
    }
   #    } elsif($papersize eq '5') {
   #    } elsif($papersize eq '4') {
   #    } elsif($papersize eq '7') {
   #    } elsif($papersize eq '8') {
     }      }
     return $result;      return $textwidth,$textheight,$oddoffset,$evenoffset;
   }
   
   
   sub get_name {
       my ($uname,$udom)=@_;
       if (!defined($uname)) { $uname=$ENV{'user.name'}; }
       if (!defined($udom)) { $uname=$ENV{'user.domain'}; }
       my $plainname=&Apache::loncommon::plainname($uname,$udom);
       if ($plainname=~/^\s*$/) { $plainname=$uname; }
       return &Apache::lonxml::latex_special_symbols($plainname,undef,undef,
     'header');
   }
   
   sub page_format_transformation {
       my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_; 
       my ($textwidth,$textheight,$oddoffset,$evenoffset);
    $assignment=~s/_/ /g;
           if ($numberofcolumns != 1) {
             ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
    } else {
     ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
    }
       my $name = &get_name();
       if ($name =~ /^\s*$/) {
    $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef,
        undef,'header');
       }
       my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header');
       if ($layout eq 'CBI') {
       $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill  $courseidinfo} \\vskip 5 mm /;
       } elsif ($layout eq 'CAPA') {
    if ($choice ne 'All class print') { 
    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
    } else {
       $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
   
    }
       }
       return $text;
 }  }
   
   
   sub page_format_transformation_new {
       my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_; 
       my ($textwidth,$textheight,$oddoffset,$evenoffset);
    $assignment=~s/_/ /g;
           if ($numberofcolumns != 1) {
             ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$layout,$numberofcolumns);
    } else {
     ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
    }
       my $name = &get_name();
       if ($name =~ /^\s*$/) {
    $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef,
        undef,'header');
       }
       my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header');
       if ($layout eq 'album') {
       $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill  $courseidinfo} \\vskip 5 mm /;
       } elsif ($layout eq 'book') {
    if ($choice ne 'All class print') { 
    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
    } else {
       $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
   
    }
       }
       return $text;
   }
   
   
   
 sub page_cleanup {  sub page_cleanup {
     my $result = shift;      my $result = shift;
     $_ = $result;   
     m/\\end{document}(\d*)$/;      $result =~ m/\\end{document}(\d*)$/;
     my $number_of_columns = $1;      my $number_of_columns = $1;
     my $insert = '{';      my $insert = '{';
     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }      for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
     $insert .= '}';      $insert .= '}';
     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE/$1$insert/g;      $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/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;  
     $result =~ s/\\parbox{\\minipagewidth}{\s*\\\\\\\\/\\parbox{\\minipagewidth}{/g;  
     return $result,$number_of_columns;      return $result,$number_of_columns;
 }  }
   
 sub content_map {  
 #-- find a list of files to print  sub details_for_menu {
     my $map_string = shift;  
     my @number_seq = ();      my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
     my @file_seq = ();      my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
     my $startlink = index($map_string,'<link',0);      my ($map,$id,$resource)=split(/___/,$symbolic);
     my $endlink = index($map_string,'</link>',$startlink);      $map=&Apache::lonnet::clutter($map);
     my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);      my $name_of_sequence;
     $_ = $chunk;      $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
     m/from=\"(\d+)\"/;      if ($name_of_sequence =~ /^\s*$/) {
     push @number_seq,$1;   $map =~ m|([^/]+)$|;
     while ($startlink != -1) {   $name_of_sequence = $1;
  $endlink = index($map_string,'</link>',$startlink);      }
  $chunk = substr($map_string,$startlink,$endlink-$startlink+7);      my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
  substr($map_string,$startlink,$endlink-$startlink+7) = '';      if ($name_of_map =~ /^\s*$/) {
  $_ = $chunk;   $ENV{'request.course.uri'} =~ m|([^/]+)$|;
         m/to=\"(\d+)\"/;   $name_of_map = $1;
  push @number_seq,$1;      }
  $startlink = index($map_string,'from="'.$1.'"',$startlink);      return ($name_of_resourse,$name_of_sequence,$name_of_map);
  $startlink = rindex($map_string,'<link ',$startlink);  
     }  }
     my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);  
     while ($stalink != -1) {  
  $startlink = rindex($map_string,'<link ',$stalink);  sub latex_corrections {
  $endlink = index($map_string,'</link>',$startlink);  
  $chunk = substr($map_string,$startlink,$endlink-$startlink+7);      my ($number_of_columns,$result) = @_;
  substr($map_string,$startlink,$endlink-$startlink+7) = '';  
  $_ = $chunk;      $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
         m/from=\"(\d+)\"/;      $result =~ s/\$number_of_columns/$number_of_columns/g;
  unshift @number_seq,$1;      $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
  $stalink = index($map_string,' to="'.$number_seq[0].'"',0);      $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
     }      $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
     for (my $i=0;$i<=$#number_seq;$i++) {  #-- LaTeX corrections     
  $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);      my $first_comment = index($result,'<!--',0);
         {          while ($first_comment != -1) {
     my $ahed1 = index($map_string,'src="',$stalink);   my $end_comment = index($result,'-->',$first_comment);
     my $ahed2 = index($map_string,'</resource>',$stalink);   substr($result,$first_comment,$end_comment-$first_comment+3) = '';
     if ($ahed1 != -1) {   $first_comment = index($result,'<!--',$first_comment);
  if ($ahed1 < $ahed2) {      }
     $startlink = $ahed1;      $result =~ s/^\s+$//gm; #remove empty lines
  } else {      $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
     $startlink = rindex($map_string,'src="',$stalink);      $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
       $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
       $result =~ s/{\\par }\s*\\\\/\\\\/gm;
    $result =~ s/\\\\\s+\[/ \[/g;
       $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;
   
       return $result;
   }
   
   
   sub output_data_new {
       my ($r,$helper) = @_;
       $r->print(<<ENDPART);
   <html>
   <head>
   <title>LON-CAPA output for printing</title>
   </head>
   <body bgcolor="FFFFFF">
   <hr>
   ENDPART
   
       my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
       my ($result,$selectionmade) = ('','');
       my $number_of_columns = 1; #used only for pages to determine the width of the cell
       my @temporary_array=split /\|/,$format_from_helper;
       my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
       if ($laystyle eq 'L') {
    $laystyle='album';
       } else {
    $laystyle='book';
       }
       my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$laystyle,$numberofcolumns);
       my $assignment =  $ENV{'form.assignment'};
       my $LaTeXwidth; 
       if ($textwidth=~/(\d+)\s*cm/) {
    $LaTeXwidth = $1*10;
       } elsif ($textwidth=~/(\d+)\s*mm/) {
    $LaTeXwidth = $1;
       } elsif ($textwidth=~/(\d+)\s*in/) {
    $LaTeXwidth = $1*25.4;
       }
       $LaTeXwidth.=' mm';
       
       if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
         #-- single document - problem, page, html, xml, ...
    my $currentURL;
    if ($helper->{'VARS'}->{'construction'} ne '1') {
               #prins published resource
       $currentURL=$helper->{'VARS'}->{'postdata'};
    } else {
               #prins resource from the construction space
       $currentURL=$helper->{'VARS'}->{'filename'};
       $currentURL=~s/\/home\//\/~/;
       $currentURL=~s/public_html\///;
    }
    $selectionmade = 1;
    if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
       my %moreenv;
       $moreenv{'form.grade_target'}='tex';
       $moreenv{'request.filename'}=$currentURL;
       $moreenv{'form.textwidth'}=$LaTeXwidth;
       &Apache::lonnet::appenv(%moreenv);
       my $texversion=&Apache::lonnet::ssi($currentURL);
       &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');
       if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
    $moreenv{'form.grade_target'}='answer';
    &Apache::lonnet::appenv(%moreenv);
    my $answer=&Apache::lonnet::ssi($currentURL);
    &Apache::lonnet::delenv('form.grade_target');
    my $start=index($answer,'<table',0);
    my $finish=index($answer,'</table>',$start);
    if ($start!=-1 && $finish!=-1) {$answer=substr($answer,$start,$finish-$start+8);}
    $answer=~s/<\/td>\s*<td>/ \\\\ \\hline /g;
                   $answer=~s/<table([^>]*)>/\\vskip 0 mm \\begin{tabular}{|c|}\\hline /;
           $answer=~s/<\/table>/\\end{tabular}\\vskip 0 mm/;
           $answer=~s/<tr>\s*<td>//;
           $answer=~s/<\/td>\s*<\/tr>/\\\\ \\hline /;
           $answer=~s/<b>([^\#]*)<\/b>/\\verb|$1|/;
           $answer=~s/<i>([^\#]*)<\/i>/\\textit{$1}/;
   # $r->print('<pre>'.$answer.'</pre>'); return OK;
    $texversion=~s/(\\end{document})/$answer$1/;
       }
       $result .= $texversion;
       if ($currentURL=~m/\.page\s*$/) {
    ($result,$number_of_columns) = &page_cleanup($result);
       }
    } else {
   #  $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
   #  if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
   #      $result.=$1;
   #  } else {
   #      $result.=$ENV{'form.url'};
   #  }
   #  $result.=' \end{document}'
    }
       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) { 
           #-- produce an output string
    my $flag_latex_header_remove = 'NO';
    my $flag_page_in_sequence = 'NO';
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    for (my $i=0;$i<=$#master_seq;$i++) {
       $master_seq[$i]=~/___\d+___(.*)$/;
       my $urlp='/res/'.$1;
       if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
    $selectionmade = 2;
       } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
    $selectionmade = 3;
       } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
    $selectionmade = 4;
       }
       my %moreenv;
       $moreenv{'form.grade_target'}='tex';
       $moreenv{'form.textwidth'}=$LaTeXwidth;
       &Apache::lonnet::appenv(%moreenv);
       #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
       my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$master_seq[$i]));
       &Apache::lonnet::delenv('form.grade_target','form.textwidth');
       if ($urlp=~/\.page$/) {
    ($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 {
    $texversion =~ s/\\end{document}//;
       }
       $result .= $texversion;         
       $flag_latex_header_remove = 'YES';   
    }
    &Apache::lonnet::delenv('form.counter');
    if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
    $result .= '\end{document}';
        } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { 
        #-- prints assignments for whole class or for selected students  
    $selectionmade=5;
    my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    #loop over students
    my $flag_latex_header_remove = 'NO'; 
    my %moreenv;
    $moreenv{'form.textwidth'}=$LaTeXwidth;
    &Apache::lonnet::appenv(%moreenv);
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
    foreach my $person (@students) {
       my $current_output = ''; 
   #    my ($usersection,$username,$userdomain) = split /:/,$person;
       my ($username,$userdomain) = split /:/,$person;
       my $fullname = &get_name($username,$userdomain);
               #goes through all resources, checks if they are available for current student, and produces output   
       foreach my $curresline (@master_seq)  {
    if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
       my ($map,$id,$res_url) = split(/___/,$curresline);
       if (&Apache::lonnet::allowed('bre',$res_url)) {
    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$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';
  }   }
       }
       my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
       if ($current_output=~/\\documentclass/) {
    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\vskip 3 mm /;
     } else {      } else {
  $startlink = rindex($map_string,'src="',$stalink);   my $blanspages = '';
    for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
    $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;
     }      }
       $result .= $current_output;
       &Apache::lonnet::delenv('form.counter');    
       &Apache::lonxml::init_counter(); 
       &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
       'last student '.$fullname);
  }   }
  $startlink = index($map_string,'"',$startlink);   &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
  $endlink = index($map_string,'"',$startlink+1);   $result .= '\end{document}';
  $chunk = substr($map_string,$startlink,$endlink-$startlink+1);   &Apache::lonnet::delenv('form.textwidth');
  push @file_seq,$chunk;      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
       #prints selected problems from the subdirectory 
    $selectionmade = 6;
           my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
    @list_of_files=sort @list_of_files;
    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';
    $moreenv{'form.textwidth'}=$LaTeXwidth;
    &Apache::lonnet::appenv(%moreenv);
    if ($urlp =~ m|/home/([^/]+)/public_html|) {
       $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
    } else {
       $urlp =~ s|^/home/httpd/html||;
    }
    my $texversion=&Apache::lonnet::ssi($urlp);
    &Apache::lonnet::delenv('form.grade_target','form.textwidth');
                   #this chunck is responsible for printing the path to problem
    my $newurlp = '';
    my $HowMany = length($urlp)*2;
    if ($HowMany > $LaTeXwidth) {
       my @temporrary = split '/',$urlp;
       my $HowManyNew = 0;
       for (my $ii=0;$ii<=$#temporrary;$ii++) {
    if ($temporrary[$ii] ne '') {
       $HowManyNew += length($temporrary[$ii])*2;
       if ($HowManyNew < $LaTeXwidth ) {
    $newurlp .=  '/'.$temporrary[$ii];
       } else {
    $HowManyNew = 0;
    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
    $ii--;
       }
    }
       }
    }
    $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;
    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}';      
     }      }
     return @file_seq;  #-------------------------------------------------------- corrections for the different page formats
       $result = &page_format_transformation_new($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'});
   #    if ($layout eq 'CBI') {
   #        $laystyle = 'album';
   #    }
       $result = &latex_corrections($number_of_columns,$result);
   #    #changes page's parameters for the one column output 
   #    if ($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'}/;
   #    }
   #-- 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;
   
   #<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
   $r->print(<<FINALEND);
   <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
   </body>
   </html>
   FINALEND
 }  }
   
   
Line 716  sub content_map { Line 1589  sub content_map {
 sub handler {  sub handler {
   
     my $r = shift;      my $r = shift;
       my $helper;
   
       # A hook for me to work without disturbing Alex.
       if (!$ENV{'form.jeremy'}) {
           my $result = printHelper($r);
           if (!ref($result)) {
               return $result;
           }
           $helper = $result;
   
   
   
    my $key; 
    foreach $key (keys %{$helper->{'VARS'}}) {
       $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
    }
   # return OK;
   
   
    &output_data_new($r,$helper);
   
   
   
   
   
   
       return OK;
       }
   #    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);
Line 725  sub handler { Line 1639  sub handler {
     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 'Standard LaTeX output for whole primary sequence') {
        &sequence_content_menu(0,$r);
    } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') {
        &sequence_content_menu(1,$r);
    } elsif($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;
      
   } 
   
   use Apache::lonhelper;
   
   sub printHelper {
       my $r = shift;
   
       if ($ENV{'request.course.id'}) {
    my $fn=$ENV{'request.course.fn'};
    tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
       }
   
       if ($r->header_only) {
           if ($ENV{'browser.mathml'}) {
               $r->content_type('text/xml');
           } else {
               $r->content_type('text/html');
           }
           $r->send_http_header;
           return OK;
       }
   
       # Send header, nocache
       if ($ENV{'browser.mathml'}) {
           $r->content_type('text/xml');
       } else {
           $r->content_type('text/html');
       }
       &Apache::loncommon::no_cache($r);
       $r->send_http_header;
       $r->rflush();
   
       # Unfortunately, this helper is so complicated we have to
       # write it by hand
   
       Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
       
       my $helper = Apache::lonhelper::helper->new("Printing Wizard");
       $helper->declareVar('symb');
       $helper->declareVar('postdata');    
       $helper->declareVar('filename');
       $helper->declareVar('construction');
       
       # This will persistently load in the data we want from the
       # very first screen.
       # Detect whether we're coming from construction space
       if ($ENV{'form.postdata'} =~ /http:\/\// ) {
           $ENV{'form.postdata'} =~ /http:\/\/[a-zA-Z.]+\/~([a-zA-Z0-9]+)\/(.*)/;
           $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2";
           $helper->{VARS}->{'construction'} = 1;
       } else {
           if ($ENV{'form.postdata'}) {
               $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
           }
           if ($ENV{'form.symb'}) {
               $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
           }
           if ($ENV{'form.url'}) {
               $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
           }
       }
   
       if ($ENV{'form.symb'}) {
           $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
       }
       if ($ENV{'form.url'}) {
           $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
   
       }
       
       my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
       $helper->{VARS}->{'assignment'} = $sequenceTitle;
   
       
       # Extract map
       my $symb = $helper->{VARS}->{'symb'};
       my ($map, $id, $url);
       my $subdir;
   
       # Get the resource name from construction space
       if ($helper->{VARS}->{'construction'}) {
           $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                                   rindex($helper->{VARS}->{'filename'}, '/')+1);
           $subdir = substr($helper->{VARS}->{'filename'},
                            0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
       } else {
           ($map, $id, $url) = split(/___/, $symb);
           $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
   
           if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
               my $url = $helper->{VARS}->{'postdata'};
               $resourceTitle = substr($url, rindex($url, '/') + 1);
           }
           $subdir = &Apache::lonnet::filelocation("", $url);
       }
   
       Apache::lonhelper::registerHelperTags();
   
       # "Delete everything after the last slash."
       $subdir =~ s|/[^/]+$||;
       if (not $helper->{VARS}->{'construction'}) {
    $subdir='/home/httpd/html/res/'.$subdir;
     }      }
   
   
       # What can be printed is a very dynamic decision based on
       # lots of factors. So we need to dynamically build this list.
       # To prevent security leaks, states are only added to the wizard
       # if they can be reached, which ensures manipulating the form input
       # won't allow anyone to reach states they shouldn't have permission
       # to reach.
   
       # printChoices is tracking the kind of printing the user can
       # do, and will be used in a choices construction later.
       # In the meantime we will be adding states and elements to
       # the helper by hand.
       my $printChoices = [];
       my $paramHash;
   
       if ($resourceTitle) {
           push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE'];
       }
   
       $r->print($helper->{VARS}->{'postdata'});
   
       # If we're in a sequence...
       if ($helper->{'VARS'}->{'construction'} ne '1') {
           # Allow problems from sequence
           push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];
           # Allow all resources from sequence
           push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
   
           my $isProblem = '$res->is_problem();';
           my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
           my $isNotMap = '!$res->is_map();';
           my $symb = '$res->symb();';
           my $helperFragment = <<HELPERFRAGMENT;
     <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1'>
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblem</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symb</valuefunc>
         </resource>
       </state>
   
     <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1'>
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isNotMap;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symb</valuefunc>
         </resource>
       </state>
   HELPERFRAGMENT
   
           &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); 
       }
   
       # If the user is priviledged, allow them to print all 
       # problems in the course, optionally for selected students
       if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) { 
           push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS'];
           push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];
   
           my $isProblem = '$res->is_problem();';
           my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
           my $symb = '$res->symb();';
           &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
     <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblemOrMap</filterfunc>
         <choicefunc>return $isProblem</choicefunc>
         <valuefunc>return $symb</valuefunc>
         </resource>
       </state>
   
     <state name="CHOOSE_STUDENTS" title="Choose Students whose assignments you want to print">
       <message>(do not forget to select assignment itself - make another selection below) <br /></message>
       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
       <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1">
         <filterfunc>return $isProblem</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symb</valuefunc>
         </resource>
       <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
       <choices variable="EMPTY_PAGES">
         <choice computer='0'>Print students assignments without separations (as uniform flow)</choice>
         <choice computer='1'>Start student assignment from new page (add pagefeed after each student)</choice>
         <choice computer='2'>Add one emty page after each student assignment</choice> 
         <choice computer='3'>Add two emty page after each student assignment</choice> 
         </choices>
       </state>
   CHOOSE_STUDENTS
       }
   
       # FIXME: That RE should come from a library somewhere.
       if (((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) {    
           push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
           
           my $f = '$filename';
           my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
     <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
       <message>(mark them then click "next" button) <br /></message>
       <files variable="FILES" multichoice='1'>
         <nextstate>PAGESIZE</nextstate>
         <filechoice>return '$subdir';</filechoice>
   CHOOSE_FROM_SUBDIR
           
           $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
         <filefilter>return $filename =~ 
              m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/;
         </filefilter>
         </files>
       </state>
   CHOOSE_FROM_SUBDIR
           &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       }
   
       # Generate the first state, to select which resources get printed.
       Apache::lonhelper::state->new("START", "What do you want to print? Make a choice.");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{MESSAGE_TEXT} = "";
       Apache::lonhelper::message->new();
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'PRINT_TYPE';
       $helper->declareVar('PRINT_TYPE');
       $paramHash->{CHOICES} = $printChoices;
       Apache::lonhelper::choices->new();
   
       if ($ENV{'request.role.adv'}) {
           $paramHash = Apache::lonhelper::getParamHash();
           $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Next option is available only for advanced users:</i></b></big><br />";
           Apache::lonhelper::message->new();
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'ANSWER_TYPE';   
    $helper->declareVar('ANSWER_TYPE');         
           $paramHash->{CHOICES} = [
                                      ['Print without answer', 'yes'],
                                      ['Print with answers', 'no'] ];
           Apache::lonhelper::choices->new();
       }
   
       Apache::lonprintout::page_format_state->new("FORMAT");
   
       # Generate the PAGESIZE state which will offer the user the margin
       # choices if they select one column
       Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
       Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
   
   
       $helper->process();
   
       # MANUAL BAILOUT CONDITION:
       # If we're in the "final" state, bailout and return to handler
       if ($helper->{STATE} eq 'FINAL') {
           return $helper;
       }    
   
       $r->print($helper->display());
   
       Apache::lonhelper::unregisterHelperTags();
   
       untie %hash;
   
     return OK;      return OK;
   }
   
 }   
   
 1;  1;
 __END__  
   
   package Apache::lonprintout::page_format_state;
   
   =pod
   
   =head1 Helper element: page_format_state
   
   See lonhelper.pm documentation for discussion of the helper framework.
   
   Apache::lonprintout::page_format_state is an element that gives the 
   user an opportunity to select the page layout they wish to print 
   with: Number of columns, portrait/landscape, and paper size. If you 
   want to change the paper size choices, change the @paperSize array 
   contents in this package.
   
   page_format_state is always directly invoked in lonprintout.pm, so there
   is no tag interface. You actually pass parameters to the constructor.
   
   =over 4
   
   =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
   
   =back
   
   =cut
   
   use Apache::lonhelper;
   
   no strict;
   @ISA = ("Apache::lonhelper::element");
   use strict;
   
   my $maxColumns = 2;
   my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", 
                    "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]", 
                    "A5 [148x210 mm]", "A6 [105x148 mm]" );
   
   # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
   #                   Paper type
   
   sub new { 
       my $self = Apache::lonhelper::element->new();
   
       shift;
   
       $self->{'variable'} = shift;
       my $helper = Apache::lonhelper::getHelper();
       $helper->declareVar($self->{'variable'});
       bless($self);
       return $self;
   }
   
   sub render {
       my $self = shift;
       my $helper = Apache::lonhelper::getHelper();
       my $result = '';
       my $var = $self->{'variable'};
   
       $result .= <<STATEHTML;
   
   <p><big><i><b>What page format do you prefer?</b></i></big></p>
   <table cellpadding="3">
     <tr>
       <td align="center"><b>Page layout</b></td>
       <td align="center"><b>Number of columns</b></td>
       <td align="center"><b>Paper type</b></td>
     </tr>
     <tr>
       <td>
         <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
         <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
       </td>
       <td align="center">
         <select name="${var}.cols">
   STATEHTML
   
       my $i;
       for ($i = 1; $i <= $maxColumns; $i++) {
           if ($i == 2) {
               $result .= "<option value='$i' selected>$i</option>\n";
           } else {
               $result .= "<option value='$i'>$i</option>\n";
           }
       }
   
       $result .= "</select></td><td>\n";
       $result .= "<select name='${var}.paper'>\n";
   
       $i = 0;
       foreach (@paperSize) {
           if ($i == 0) {
               $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
           } else {
               $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
           }
           $i++;
       }
   
       $result .= "</select></td></tr></table>";
       return $result;
   }
   
   sub postprocess {
       my $self = shift;
   
       my $var = $self->{'variable'};
       my $helper = Apache::lonhelper->getHelper();
       $helper->{VARS}->{$var} = 
           $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
           $ENV{"form.$var.paper"};
       return 1;
   }
   
   1;
   
   package Apache::lonprintout::page_size_state;
   
   =pod
   
   =head1 Helper element: page_size_state
   
   See lonhelper.pm documentation for discussion of the helper framework.
   
   Apache::lonprintout::page_size_state is an element that gives the 
   user the opportunity to further refine the page settings if they
   select a single-column page.
   
   page_size_state is always directly invoked in lonprintout.pm, so there
   is no tag interface. You actually pass parameters to the constructor.
   
   =over 4
   
   =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
   
   =back
   
   =cut
   
   use Apache::lonhelper;
   
   no strict;
   @ISA = ("Apache::lonhelper::element");
   use strict;
   
   
   
   sub new { 
       my $self = Apache::lonhelper::element->new();
   
       shift; # disturbs me (probably prevents subclassing) but works (drops
              # package descriptor)... - Jeremy
   
       $self->{'variable'} = shift;
       my $helper = Apache::lonhelper::getHelper();
       $helper->declareVar($self->{'variable'});
   
       # The variable name of the format element, so we can look into 
       # $helper->{VARS} to figure out whether the columns are one or two
       $self->{'formatvar'} = shift;
   
       # The state to transition to after selection, or after discovering
       # the cols are not set to 1
       $self->{NEXTSTATE} = shift;
       bless($self);
       return $self;
   }
   
   sub render {
       my $self = shift;
       my $helper = Apache::lonhelper::getHelper();
       my $result = '';
       my $var = $self->{'variable'};
   
       if (defined $self->{ERROR_MSG}) {
           $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
       }
   
       $result .= <<ELEMENTHTML;
   
   <p>How should the column be formatted?</p>
   
   <table cellpadding='3'>
     <tr>
       <td align='right'><b>Width</b>:</td>
       <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
       <td align='left'>
         <select name='$var.widthunit'>
           <option>cm</option><option>in</option>
         </select>
       </td>
     </tr>
     <tr>
       <td align='right'><b>Height</b>:</td>
       <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
       <td align='left'>
         <select name='$var.heightunit'>
           <option>cm</option><option>in</option>
         </select>
       </td>
     </tr>
     <tr>
       <td align='right'><b>Left margin</b>:</td>
       <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
       <td align='left'>
         <select name='$var.heightunit'>
           <option>cm</option><option>in</option>
         </select>
       </td>
     </tr>
   </table>
   
   <p>Hint: Some instructors like to leave scratch space for the student by
   making the width much smaller then the width of the page.</p>
   
   ELEMENTHTML
   
       return $result;
   }
   
   # If the user didn't select 1 column, skip this state.
   sub preprocess {
       my $self = shift;
       my $helper = Apache::lonhelper::getHelper();
   
       my $format = $helper->{VARS}->{$self->{'formatvar'}};
       if (substr($format, 2, 1) ne '1') {
           $helper->changeState($self->{NEXTSTATE});
       }
      
       return 1;
   }
   
   sub postprocess {
       my $self = shift;
   
       my $var = $self->{'variable'};
       my $helper = Apache::lonhelper->getHelper();
       my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; 
       my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; 
       my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; 
       $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; 
       $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; 
       $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; 
   
       my $error = '';
   
       # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
       # by an optional period, followed by digits, ending the string
   
       if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
           $error .= "Invalid width; please type only a number.<br />\n";
       }
       if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
           $error .= "Invalid height; please type only a number.<br />\n";
       }
       if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
           $error .= "Invalid left margin; please type only a number.<br />\n";
       }
   
       if (!$error) {
           Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
           return 1;
       } else {
           $self->{ERROR_MSG} = $error;
           return 0;
       }
   }
   
   
   
   __END__
   
 #### Test block  
 #    my $ere;  
 #    foreach $ere (%ENV) {  
 # $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";  
 #    }  
 ####  

Removed from v.1.38  
changed lines
  Added in v.1.163


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