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Diff for /loncom/interface/lonprintout.pm between versions 1.151 and 1.372

version 1.151, 2003/05/05 20:14:32 version 1.372, 2005/03/29 10:21:21
Line 1 Line 1
 # The LearningOnline Network  #  The LearningOnline Network
 # Printout  # Printout
 #  #
 # $Id$  # $Id$
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Internal Server Error Handler  
 #  
 # (Login Screen  
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,  
 # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)  
 #  
 # 3/1/1 Gerd Kortemeyer)  
 #  
 # 3/1 Gerd Kortemeyer  
 #  
 # 9/17 Alex Sakharuk  
 #  #
 package Apache::lonprintout;  package Apache::lonprintout;
   
Line 49  use Apache::grades; Line 38  use Apache::grades;
 use Apache::edit;  use Apache::edit;
 use Apache::File();  use Apache::File();
 use Apache::lonnavmaps;  use Apache::lonnavmaps;
   use Apache::lonratedt;
 use POSIX qw(strftime);  use POSIX qw(strftime);
 use GDBM_File;  use Apache::lonlocal;
   
   
 my %hash;  
 my $LaTeXwidth = 0;  
   
 sub headerform {  
     my $r = shift;  
     $r->print(<<ENDHEADER);  
 <html>  
 <head>  
 <title>LON-CAPA output for printing</title>  
 </head>  
 <body bgcolor="FFFFFF">  
 <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">  
 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 {  
     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//;  
     $r->print(<<ENDMENUOUT1);  
 <h1>What do you want to print? Make a choice.</h1><br />  
 <input type="hidden" name="phase" value="two">  
 <input type="hidden" name="url" value="$ENV{'form.postdata'}">  
 <input type="hidden" name="assignment" value="$assignment">  
 <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>  
 (prints what you just saw on the screen)<br />  
 ENDMENUOUT1  
     if ($ENV{'form.postdata'}=~/\/res\//) {  
  $r->print(<<ENDMENUOUT2);  
 <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Problem(s) from <b>$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>$title_for_sequence</b><br />  
 ENDMENUOUT2  
     }  
     if (($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 />  
 <h1>And what page format do you prefer?</h1>  
 <table>  
  <tr>  
    <td>  
      <input type="radio" name="layout" value="CBI"> Landscape <br />  
      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />  
    </td>  
    <td>&nbsp;</td>  
    <td rawspan="2">  
      Number of columns: <select name="numberofcolumns">  
                          <option> 1 </option>  
                          <option selected> 2 </option>  
                         </select>   
    </td>  
    <td rawspan="2">  
      Paper size (format [width x height]): <select name="papersize">  
                                             <option selected> Letter [8 1/2x11 in] </option>  
                                             <option> Legal [8 1/2x14 in] </option>  
                                             <option> Ledger/Tabloid [11x17 in] </option>  
                                             <option> Executive [7 1/2x10 in] </option>  
                                             <option> A2 [420x594 mm] </option>  
                                             <option> A3 [297x420 mm] </option>  
                                             <option> A4 [210x297 mm] </option>  
                                             <option> A5 [148x210 mm] </option>  
                                             <option> A6 [105x148 mm] </option>  
                                            </select>   
    </td>  
  </tr>  
   
 </table>  
 </br>   
 <input type="submit" value="Submit your choice">  
 ENDMENUOUT5  
 }  
   
   
 sub 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  
   
 }  
   
   #   Compare two students by name.  The students are in the form
   #   returned by the helper:
   #      user:domain:section:last,   first:status
   #   This is a helper function for the perl sort built-in  therefore:
   # Implicit Inputs:
   #    $a     - The first element to compare (global)
   #    $b     - The second element to compare (global)
   # Returns:
   #   -1   - $a < $b
   #    0   - $a == $b
   #   +1   - $a > $b
   #   Note that the initial comparison is done on the last names with the
   #   first names only used to break the tie.
   #
   #
   sub compare_names {
       #  First split the names up into the primary fields.
   
 sub problem_choice_menu {      my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
     my $r = shift;      my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
     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;  
             }  
         }  
     }  
   
       # Now split the last name and first name of each n:
       #
   
     function uncheckall() {      my ($l1,$f1) = split(/,/, $n1);
  for (i=0; i<document.forms.printform.elements.length; i++) {      my ($l2,$f2) = split(/,/, $n2);
             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  
 }  
   
       # We don't bother to remove the leading/trailing whitespace from the
       # firstname, unless the last names compare identical.
   
 sub additional_class_menu {      if($l1 lt $l2) {
     my $r = shift;   return -1;
     $r->print(<<ENDMENUOUT1);  
 <input type="hidden" name="url" value="$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>      if($l1 gt $l2) {
 <input type=button onClick="checkall()" value="Check All">&nbsp;   return  1;
 <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>  
 </body>  
 </html>  
 ENDMENUOUT  
 }  
   
       # Break the tie on the first name, but there are leading (possibly trailing
       # whitespaces to get rid of first 
       #
       $f1 =~ s/^\s+//; # Remove leading...
       $f1 =~ s/\s+$//; # Trailing spaces from first 1...
       
       $f2 =~ s/^\s+//;
       $f2 =~ s/\s+$//; # And the same for first 2...
   
 sub output_data {      if($f1 lt $f2) {
     my $r = shift;   return -1;
     $r->print(<<ENDPART);  
 <html>  
 <head>  
 <title>LON-CAPA output for printing</title>  
 </head>  
 <body bgcolor="FFFFFF">  
 <hr>  
 ENDPART  
   
     my $choice = $ENV{'form.choice'};  
     my $layout = $ENV{'form.layout'};  
     my $numberofcolumns = $ENV{'form.numberofcolumns'};    
     my $papersize = $ENV{'form.papersize'};            
     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 $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') {  
       #-- single document - problem, page, html, xml, ...    
       $selectionmade = 1;  
       if ($ENV{'form.url'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {  
         my %moreenv;  
         $moreenv{'form.grade_target'}='tex';  
         if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) {  
   $ENV{'form.url'}=~s/http:\/\/[^\/]+//;  
         }  
         $moreenv{'request.filename'}=$ENV{'form.url'};  
         $moreenv{'form.textwidth'}=$LaTeXwidth;  
         &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  
         #-- where is the primary sequence containing file?  
         my @master_seq = ();  
  for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {  
     if ($ENV{'form.whatfile'.$i}=~/\S/) {  
  push @master_seq,$ENV{'form.whatfile'.$i};  
     }  
  }  
         #-- produce an output string  
  my $flag_latex_header_remove = 'NO';  
  my $flag_page_in_sequence = 'NO';  
  for (my $i=0;$i<=$#master_seq;$i++) {  
            my ($urlp,$symb) = split /&&/, $master_seq[$i];  
     if ($choice eq 'Standard LaTeX output for the primary sequence') {  
               $selectionmade = 2;  
     } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') {  
               $selectionmade = 3;  
     }  
    my %moreenv;  
    $moreenv{'form.grade_target'}='tex';  
    $moreenv{'form.textwidth'}=$LaTeXwidth;  
    &Apache::lonnet::appenv(%moreenv);  
    #&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;  
  $moreenv{'form.grade_target'}='tex';  
  $moreenv{'form.textwidth'}=$LaTeXwidth;  
  &Apache::lonnet::appenv(%moreenv);  
  my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));  
  &Apache::lonnet::delenv('form.grade_target','form.textwidth');      
  if ($flag_latex_header_remove ne 'NO') {  
     $texversion = &latex_header_footer_remove($texversion);  
  } else {  
     $texversion =~ s/\\end{document}//;  
  }  
  $result .= $texversion;    
  $flag_latex_header_remove = 'YES';  
      }  
    }  
  }      
  $result .= '\end{document}';  
     } elsif ($choice eq 'All class print') {   
     #-- prints assignments for whole class or for selected students    
  $selectionmade = 5;  
         my @students = ();  
  for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {  
     if ($ENV{'form.whomtoprint'.$i}=~/:/) {  
  push @students,$ENV{'form.whomtoprint'.$i};  
     }  
  }  
  #where is the primary sequence containing current resource (the same for all students)?  
  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++) {  
     my ($path,$title,$symb) = split /&&/,$master_seq[$i];  
     $master_seq[$i] = $path.'&&'.$symb;  
  }  
         #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 $fullname = &get_name($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;  
  $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';    
  }  
  $result .= '\end{document}';        
     }      }
 #-------------------------------------------------------- corrections for the different page formats      if($f1 gt $f2) {
     $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result,$assignment);   return 1;
     if ($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;      #  Must be the same name.
     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";  
     unless ($temp_file = Apache::File->new('>'.$filename)) {  
  $r->log_error("Couldn't open $filename for output $!");  
  return SERVER_ERROR;   
     }   
     print $temp_file $result;  
 $r->print(<<FINALEND);  
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">  
 </body>  
 </html>  
 FINALEND  
 }  
   
   
 sub coming_from_hash {  
   
     my $mainsequence = shift;      return 0;
     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 {  sub latex_header_footer_remove {
     my $text = shift;      my $text = shift;
     $text =~ s/\\end{document}//;      $text =~ s/\\end{document}//;
Line 829  sub character_chart { Line 141  sub character_chart {
     $result =~ s/&\#0?58;/:/g;      $result =~ s/&\#0?58;/:/g;
     $result =~ s/&\#0?59;/;/g;      $result =~ s/&\#0?59;/;/g;
     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;      $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
     $result =~ s/&\#0?61;/\$=\$/g;      $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
     $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;      $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
     $result =~ s/&\#0?63;/\?/g;      $result =~ s/&\#0?63;/\?/g;
     $result =~ s/&\#0?65;/A/g;      $result =~ s/&\#0?65;/A/g;
     $result =~ s/&\#0?66;/B/g;      $result =~ s/&\#0?66;/B/g;
Line 859  sub character_chart { Line 171  sub character_chart {
     $result =~ s/&\#0?89;/Y/g;      $result =~ s/&\#0?89;/Y/g;
     $result =~ s/&\#0?90;/Z/g;      $result =~ s/&\#0?90;/Z/g;
     $result =~ s/&\#0?91;/[/g;      $result =~ s/&\#0?91;/[/g;
     $result =~ s/&\#0?92;/\$\\setminus\$/g;      $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
     $result =~ s/&\#0?93;/]/g;      $result =~ s/&\#0?93;/]/g;
     $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;      $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;      $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
     $result =~ s/&\#(0?96|145);/\`/g;      $result =~ s/&\#(0?96|145);/\`/g;
     $result =~ s/&\#0?97;/a/g;      $result =~ s/&\#0?97;/a/g;
Line 896  sub character_chart { Line 208  sub character_chart {
     $result =~ s/&\#126;/\~/g;      $result =~ s/&\#126;/\~/g;
     $result =~ s/&\#131;/\\textflorin /g;      $result =~ s/&\#131;/\\textflorin /g;
     $result =~ s/&\#132;/\"/g;      $result =~ s/&\#132;/\"/g;
     $result =~ s/&\#133;/\$\\ldots\$/g;      $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
     $result =~ s/&\#134;/\$\\dagger\$/g;      $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
     $result =~ s/&\#135;/\$\\ddagger\$/g;      $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
     $result =~ s/&\#137;/\\textperthousand /g;      $result =~ s/&\#137;/\\textperthousand /g;
     $result =~ s/&\#140;/{\\OE}/g;      $result =~ s/&\#140;/{\\OE}/g;
     $result =~ s/&\#147;/\`\`/g;      $result =~ s/&\#147;/\`\`/g;
     $result =~ s/&\#148;/\'\'/g;      $result =~ s/&\#148;/\'\'/g;
     $result =~ s/&\#149;/\$\\bullet\$/g;      $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
     $result =~ s/&\#150;/--/g;      $result =~ s/&\#150;/--/g;
     $result =~ s/&\#151;/---/g;      $result =~ s/&\#151;/---/g;
     $result =~ s/&\#152;/\$\\sim\$/g;      $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
     $result =~ s/&\#153;/\\texttrademark /g;      $result =~ s/&\#153;/\\texttrademark /g;
     $result =~ s/&\#156;/\\oe/g;      $result =~ s/&\#156;/\\oe/g;
     $result =~ s/&\#159;/\\\"Y/g;      $result =~ s/&\#159;/\\\"Y/g;
     $result =~ s/&(\#160|nbsp);//g;      $result =~ s/&(\#160|nbsp);/~/g;
     $result =~ s/&(\#161|iexcl);/!\`/g;      $result =~ s/&(\#161|iexcl);/!\`/g;
     $result =~ s/&(\#162|cent);/\\textcent /g;      $result =~ s/&(\#162|cent);/\\textcent /g;
     $result =~ s/&(\#163|pound);/\\pounds /g;       $result =~ s/&(\#163|pound);/\\pounds /g; 
Line 921  sub character_chart { Line 233  sub character_chart {
     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;      $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
     $result =~ s/&(\#169|copy);/\\copyright /g;      $result =~ s/&(\#169|copy);/\\copyright /g;
     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;      $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
     $result =~ s/&(\#172|not);/\$\\neg\$/g;      $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
     $result =~ s/&(\#173|shy);/ - /g;      $result =~ s/&(\#173|shy);/ - /g;
     $result =~ s/&(\#174|reg);/\\textregistered /g;      $result =~ s/&(\#174|reg);/\\textregistered /g;
     $result =~ s/&(\#175|macr);/\$^{-}\$/g;      $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
     $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;      $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
     $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;      $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
     $result =~ s/&(\#178|sup2);/\$^2\$/g;      $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
     $result =~ s/&(\#179|sup3);/\$^3\$/g;      $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
     $result =~ s/&(\#180|acute);/\\textacute /g;      $result =~ s/&(\#180|acute);/\\textacute /g;
     $result =~ s/&(\#181|micro);/\$\\mu\$/g;      $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
     $result =~ s/&(\#182|para);/\\P/g;      $result =~ s/&(\#182|para);/\\P/g;
     $result =~ s/&(\#183|middot);/\$\\cdot\$/g;      $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;      $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
     $result =~ s/&(\#185|sup1);/\$^1\$/g;      $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;      $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
     $result =~ s/&(\#188|frac14);/\\textonequarter /g;      $result =~ s/&(\#188|frac14);/\\textonequarter /g;
     $result =~ s/&(\#189|frac12);/\\textonehalf /g;      $result =~ s/&(\#189|frac12);/\\textonehalf /g;
Line 962  sub character_chart { Line 274  sub character_chart {
     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;      $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
     $result =~ s/&(\#213|Otilde);/\\~{O}/g;      $result =~ s/&(\#213|Otilde);/\\~{O}/g;
     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;          $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
     $result =~ s/&(\#215|times);/\$\\times\$/g;      $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
     $result =~ s/&(\#216|Oslash);/{\\O}/g;      $result =~ s/&(\#216|Oslash);/{\\O}/g;
     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;          $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;      $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;      $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;      $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;      $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
     $result =~ s/&(\#223|szlig);/\\ss/g;      $result =~ s/&(\#223|szlig);/{\\ss}/g;
     $result =~ s/&(\#224|agrave);/\\\`{a}/g;      $result =~ s/&(\#224|agrave);/\\\`{a}/g;
     $result =~ s/&(\#225|aacute);/\\\'{a}/g;      $result =~ s/&(\#225|aacute);/\\\'{a}/g;
     $result =~ s/&(\#226|acirc);/\\^{a}/g;      $result =~ s/&(\#226|acirc);/\\^{a}/g;
Line 986  sub character_chart { Line 298  sub character_chart {
     $result =~ s/&(\#237|iacute);/\\\'{i}/g;      $result =~ s/&(\#237|iacute);/\\\'{i}/g;
     $result =~ s/&(\#238|icirc);/\\^{i}/g;      $result =~ s/&(\#238|icirc);/\\^{i}/g;
     $result =~ s/&(\#239|iuml);/\\\"{i}/g;      $result =~ s/&(\#239|iuml);/\\\"{i}/g;
     $result =~ s/&(\#240|eth);/\$\\partial\$/g;      $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
     $result =~ s/&(\#241|ntilde);/\\~{n}/g;      $result =~ s/&(\#241|ntilde);/\\~{n}/g;
     $result =~ s/&(\#242|ograve);/\\\`{o}/g;      $result =~ s/&(\#242|ograve);/\\\`{o}/g;
     $result =~ s/&(\#243|oacute);/\\\'{o}/g;      $result =~ s/&(\#243|oacute);/\\\'{o}/g;
     $result =~ s/&(\#244|ocirc);/\\^{o}/g;      $result =~ s/&(\#244|ocirc);/\\^{o}/g;
     $result =~ s/&(\#245|otilde);/\\~{o}/g;      $result =~ s/&(\#245|otilde);/\\~{o}/g;
     $result =~ s/&(\#246|ouml);/\\\"{o}/g;      $result =~ s/&(\#246|ouml);/\\\"{o}/g;
     $result =~ s/&(\#247|divide);/\$\\div\$/g;      $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
     $result =~ s/&(\#248|oslash);/{\\o}/g;      $result =~ s/&(\#248|oslash);/{\\o}/g;
     $result =~ s/&(\#249|ugrave);/\\\`{u}/g;       $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
     $result =~ s/&(\#250|uacute);/\\\'{u}/g;      $result =~ s/&(\#250|uacute);/\\\'{u}/g;
Line 1001  sub character_chart { Line 313  sub character_chart {
     $result =~ s/&(\#252|uuml);/\\\"{u}/g;      $result =~ s/&(\#252|uuml);/\\\"{u}/g;
     $result =~ s/&(\#253|yacute);/\\\'{y}/g;      $result =~ s/&(\#253|yacute);/\\\'{y}/g;
     $result =~ s/&(\#255|yuml);/\\\"{y}/g;      $result =~ s/&(\#255|yuml);/\\\"{y}/g;
     $result =~ s/&\#952;/\$\\theta\$/g;      $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
 #Greek Alphabet  #Greek Alphabet
     $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;      $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
     $result =~ s/&(beta|\#946);/\$\\beta \$/g;      $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
     $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;      $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
     $result =~ s/&(delta|\#948);/\$\\delta \$/g;      $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
     $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;      $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
     $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;      $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
     $result =~ s/&(eta|\#951);/\$\\eta \$/g;      $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
     $result =~ s/&(theta|\#952);/\$\\theta \$/g;      $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
     $result =~ s/&(iota|\#953);/\$\\iota \$/g;      $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
     $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;      $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
     $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;      $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
     $result =~ s/&(mu|\#956);/\$\\mu \$/g;      $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
     $result =~ s/&(nu|\#957);/\$\\nu \$/g;      $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
     $result =~ s/&(xi|\#958);/\$\\xi \$/g;      $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
     $result =~ s/&(pi|\#960);/\$\\pi \$/g;      $result =~ s/&(omicron|\#959);/o/g;
     $result =~ s/&(rho|\#961);/\$\\rho \$/g;      $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
     $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;      $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
     $result =~ s/&(tau|\#964);/\$\\tau \$/g;      $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
     $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;      $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
     $result =~ s/&(phi|\#966);/\$\\phi \$/g;      $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
     $result =~ s/&(chi|\#967);/\$\\chi \$/g;      $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
     $result =~ s/&(psi|\#968);/\$\\psi \$/g;      $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
     $result =~ s/&(omega|\#969);/\$\\omega \$/g;      $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
     $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;      $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
     $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;      $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
     $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;      $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
     $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;      $result =~ s/&(Alpha|\#913);/A/g;
     $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;      $result =~ s/&(Beta|\#914);/B/g;
     $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;      $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
     $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;      $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
     $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;      $result =~ s/&(Epsilon|\#917);/E/g;
     $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;      $result =~ s/&(Zeta|\#918);/Z/g;
     $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;      $result =~ s/&(Eta|\#919);/H/g;
     $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;      $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
       $result =~ s/&(Iota|\#921);/I/g;
       $result =~ s/&(Kappa|\#922);/K/g;
       $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
       $result =~ s/&(Mu|\#924);/M/g;
       $result =~ s/&(Nu|\#925);/N/g;
       $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
       $result =~ s/&(Omicron|\#927);/O/g;
       $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
       $result =~ s/&(Rho|\#929);/P/g;
       $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
       $result =~ s/&(Tau|\#932);/T/g;
       $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
       $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
       $result =~ s/&(Chi|\#935);/X/g;
       $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
       $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
   #Arrows (extended HTML 4.01)
       $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
       $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
       $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
       $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
       $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
       $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
       $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
       $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
       $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
       $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
   #Mathematical Operators (extended HTML 4.01)
       $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
       $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
       $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
       $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
       $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
       $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
       $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
       $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
       $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
       $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
       $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
       $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
       $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
       $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
       $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
       $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
       $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
       $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
       $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
       $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
       $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
       $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
       $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
       $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
       $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
       $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
       $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
       $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
       $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
       $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
       $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
       $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
       $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
       $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
       $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
       $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
       $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
   #Geometric Shapes (extended HTML 4.01)
       $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
   #Miscellaneous Symbols (extended HTML 4.01)
       $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
       $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
       $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
       $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
     return $result;      return $result;
 }  }
   
   
     sub page_format {                    #width, height, oddsidemargin, evensidemargin, topmargin
  my ($papersize,$layout,$numberofcolumns) = @_;   my %page_formats=
  my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);      ('letter' => {
  if ($papersize=~/Letter/) {   'book' => {
     if ($layout eq 'CAPA') {       '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
  if ($numberofcolumns == 1) {       '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
     $textwidth = '18 cm';   },
     $textheight = '25.9 cm';   'album' => {
     $oddoffset = '-0.57 in';       '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
     $evenoffset = '-0.57 in';       '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
  } elsif ($numberofcolumns == 2) {   },
     $textwidth = '93 mm';       },
     $textheight = '25.9 cm';       'legal' => {
     $oddoffset = '-0.57 in';   'book' => {
     $evenoffset = '-0.57 in';       '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
  }       '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
     } elsif ($layout eq 'CBI') {   },
  if ($numberofcolumns eq '1') {   'album' => {
     $textwidth = '8.8 in';       '1' => [],
     $textheight = '6.8 in';       '2' => []
     $oddoffset = '-40 pt';            },
     $evenoffset = '-60 pt';       },
  } elsif ($numberofcolumns == 2) {       'tabloid' => {
     $textwidth = '4.2 in';   'book' => {
     $textheight = '6.8 in';       '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
     $oddoffset = '-40 pt';       '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
     $evenoffset = '-60 pt';   },
  }   'album' => {
     }       '1' => [],
 #    } elsif($papersize=~/Legal/) {       '2' => []
 #    } elsif($papersize=~/Ledger/) {            },
 #    } elsif($papersize=~/Executive/) {       },
     } elsif($papersize=~/A4/) {       'executive' => {
     if ($layout eq 'CAPA') {   'book' => {
  if ($numberofcolumns == 1) {       '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
     $textwidth = '18 cm';       '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
     $textheight = '28 cm';   },
     $oddoffset = '-0.57 in';   'album' => {
     $evenoffset = '-0.57 in';       '1' => [],
  } elsif ($numberofcolumns == 2) {       '2' => []
     $textwidth = '96 mm';            },
     $textheight = '2 cm';       },
     $oddoffset = '-0.57 in';       'a2' => {
     $evenoffset = '-0.57 in';   'book' => {
  }       '1' => [],
     } elsif ($layout eq 'CBI') {       '2' => []
  if ($numberofcolumns eq '1') {   },
     $textwidth = '8.5 in';   'album' => {
     $textheight = '7.7 in';       '1' => [],
     $oddoffset = '-40 pt';       '2' => []
     $evenoffset = '-60 pt';            },
  } elsif ($numberofcolumns == 2) {       },
     $textwidth = '3.9 in';       'a3' => {
     $textheight = '7.7 in';   'book' => {
     $oddoffset = '-40 pt';       '1' => [],
     $evenoffset = '-60 pt';       '2' => []
  }   },
     }   'album' => {
 #    } elsif($papersize=~/A3/) {       '1' => [],
 #    } elsif($papersize=~/A2/) {       '2' => []
 #    } elsif($papersize=~/A5/) {            },
 #    } elsif($papersize=~/A6/) {       },
  }       'a4' => {
  return $textwidth,$textheight,$oddoffset,$evenoffset;   'book' => {
 }       '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
        '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
    },
    'album' => {
        '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
        '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
    },
        },
        'a5' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a6' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        );
   
 sub page_format_new {  sub page_format {
 #  #
 #Correspondence between $papersize variable and real paper format:  #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
 # 0 - "Letter [8 1/2x11 in]"  #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
 # 1 - "Legal [8 1/2x14 in]"  #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
 # 2 - "Ledger/Tabloid [11x17 in]"  #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
 # 3 - "Executive [7 1/2x10 in]"  #                        "A6 [105x148 mm]"
 # 4 - "A2 [420x594 mm]"  
 # 5 - "A3 [297x420 mm]"  
 # 6 - "A4 [210x297 mm]"  
 # 7 - "A5 [148x210 mm]"  
 # 8 - "A6 [105x148 mm]"  
 #   # 
     my ($papersize,$layout,$numberofcolumns) = @_;       my ($papersize,$layout,$numberofcolumns) = @_; 
     my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);      return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
     if ($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 $textwidth,$textheight,$oddoffset,$evenoffset;  
 }  }
   
   
 sub get_name {  sub get_name {
     my ($uname,$udom)=@_;      my ($uname,$udom)=@_;
     if (!defined($uname)) { $uname=$ENV{'user.name'}; }      if (!defined($uname)) { $uname=$ENV{'user.name'}; }
     if (!defined($udom)) { $uname=$ENV{'user.domain'}; }      if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
     my $plainname=&Apache::loncommon::plainname($uname,$udom);      my $plainname=&Apache::loncommon::plainname($uname,$udom);
     if ($plainname=~/^\s*$/) { $plainname=$uname; }      if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
     return &Apache::lonxml::latex_special_symbols($plainname,undef,undef,      $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
   'header');      return $plainname;
 }  }
   
 sub page_format_transformation {  sub get_course {
     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;       my $courseidinfo;
     my ($textwidth,$textheight,$oddoffset,$evenoffset);      if (defined($ENV{'request.course.id'})) {
  $assignment=~s/_/ /g;   $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
         if ($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;      return $courseidinfo;
 }  }
   
   sub page_format_transformation {
 sub page_format_transformation_new {      my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;       my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
     my ($textwidth,$textheight,$oddoffset,$evenoffset);      if ($selectionmade eq '4') {
  $assignment=~s/_/ /g;   $assignment='Problems from the Whole Course';
         if ($numberofcolumns != 1) {      } else {
           ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$layout,$numberofcolumns);   $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
  } else {      }
   ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});      ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
  }  
     my $name = &get_name();      my $name = &get_name();
     if ($name =~ /^\s*$/) {      my $courseidinfo = &get_course();
  $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef,      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
      undef,'header');      my $topmargintoinsert = '';
       if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
       my $fancypagestatement='';
       if ($numberofcolumns eq '2') {
    $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
       } else {
    $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
     }      }
     my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header');  
     if ($layout eq 'album') {      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 /;      $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
     } elsif ($layout eq 'book') {      } elsif ($layout eq 'book') {
  if ($choice ne 'All class print') {    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}/;      $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
  } else {   } 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 /;      $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
    }
    if ($papersize eq 'a4') {
       $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
  }   }
     }      }
       if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
       if ($indexlist eq 'yes') {
    $text=~s/(\\begin{document})/\\makeindex $1/;
    $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
       }
     return $text;      return $text;
 }  }
   
   
   
 sub page_cleanup {  sub page_cleanup {
     my $result = shift;      my $result = shift;
     
Line 1272  sub page_cleanup { Line 606  sub page_cleanup {
   
   
 sub details_for_menu {  sub details_for_menu {
       my ($helper)=@_;
     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};      my $postdata=$ENV{'form.postdata'};
     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});      if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
     my ($map,$id,$resource)=split(/___/,$symbolic);      my $name_of_resource = &Apache::lonnet::gettitle($postdata);
       my $symbolic = &Apache::lonnet::symbread($postdata);
       my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
     $map=&Apache::lonnet::clutter($map);      $map=&Apache::lonnet::clutter($map);
     my $name_of_sequence;      my $name_of_sequence = &Apache::lonnet::gettitle($map);
     $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};  
     if ($name_of_sequence =~ /^\s*$/) {      if ($name_of_sequence =~ /^\s*$/) {
  $map =~ m|([^/]+)$|;   $map =~ m|([^/]+)$|;
  $name_of_sequence = $1;   $name_of_sequence = $1;
     }      }
     my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};      my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
     if ($name_of_map =~ /^\s*$/) {      if ($name_of_map =~ /^\s*$/) {
  $ENV{'request.course.uri'} =~ m|([^/]+)$|;   $ENV{'request.course.uri'} =~ m|([^/]+)$|;
  $name_of_map = $1;   $name_of_map = $1;
     }      }
     return ($name_of_resourse,$name_of_sequence,$name_of_map);      return ($name_of_resource,$name_of_sequence,$name_of_map);
   
 }  }
   
   
 sub latex_corrections {  sub latex_corrections {
   
     my ($number_of_columns,$result) = @_;      my ($number_of_columns,$result,$selectionmade) = @_;
   
     $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;  #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
     $result =~ s/\$number_of_columns/$number_of_columns/g;      $result =~ s/\$number_of_columns/$number_of_columns/g;
     $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  $1/;      if ($selectionmade ne '1') {
    $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\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/;
       } else {
    $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/;
       }
     $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\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;      $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
 #-- LaTeX corrections       #-- LaTeX corrections     
Line 1314  sub latex_corrections { Line 652  sub latex_corrections {
     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;      $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;      $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
     $result =~ s/{\\par }\s*\\\\/\\\\/gm;      $result =~ s/{\\par }\s*\\\\/\\\\/gm;
  $result =~ s/\\\\\s+\[/ \[/g;      $result =~ s/\\\\\s+\[/ \[/g;
     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;  
     #conversion of html characters to LaTeX equivalents      #conversion of html characters to LaTeX equivalents
     if ($result =~ m/&(\w+|#\d+);/) {      if ($result =~ m/&(\w+|#\d+);/) {
  $result = &character_chart($result);   $result = &character_chart($result);
Line 1327  sub latex_corrections { Line 664  sub latex_corrections {
 }  }
   
   
 sub output_data_new {  sub index_table {
     my ($r,$helper) = @_;      my $currentURL = shift;
       my $insex_string='';
       $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
       $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
       return $insex_string;
   }
   
   
   sub IndexCreation {
       my ($texversion,$currentURL)=@_;
       my @key_words=split(/,/,&index_table($currentURL));
       my $chunk='';
       my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
       if ($st>0) {
    for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
    $chunk=substr($texversion,0,$st+1);
    substr($texversion,0,$st+1)=' ';
       }
       foreach my $key_word (@key_words) {
    if ($key_word=~/\S+/) {
       $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
    }
       }
       if ($st>0) {substr($texversion,0,1)=$chunk;}
       return $texversion;
   }
   
   sub print_latex_header {
       my $mode=shift;
       my $output='\documentclass[letterpaper]{article}';
       if (($mode eq 'batchmode') || (!$ENV{'request.role.adv'})) {
    $output.='\batchmode';
       }
       $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
        '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
        '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
        '\usepackage{picins}\usepackage{calc}'."\n".
        '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
        '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
        '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
        '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
        '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
        '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
        '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
        '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
        '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
        '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
        '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
        '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
        '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
       return $output;     
   }
   
   sub path_to_problem {
       my ($urlp,$colwidth)=@_;
       my $newurlp = '';
       $colwidth=~s/\s*mm\s*$//;
   #characters average about 2 mm in width
       if (length($urlp)*2 > $colwidth) {
    my @elements = split '/',$urlp;
    my $curlength=0;
    foreach my $element (@elements) {
       if ($curlength+(length($element)*2) > $colwidth) {
    $newurlp .=  '|\vskip -1 mm \noindent \verb|';
    $curlength=0;
       } else {
    $curlength+=length($element)*2;
       }
       $newurlp.='/'.$element;
    }
       } else {
    $newurlp=$urlp;
       }
       return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
   }
   
   sub recalcto_mm {
       my $textwidth=shift;
       my $LaTeXwidth;
       if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
    $LaTeXwidth = $1*10;
       } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
    $LaTeXwidth = $1;
       } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
    $LaTeXwidth = $1*25.4;
       }
       $LaTeXwidth.=' mm';
       return $LaTeXwidth;
   }
   
   sub get_textwidth {
       my ($helper,$LaTeXwidth)=@_;
       my $textwidth=$LaTeXwidth;
       if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
    $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
    $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
    $helper->{'VARS'}->{'pagesize.widthunit'});
       }
       return $textwidth;
   }
   
   
   sub unsupported {
       my ($currentURL,$mode)=@_;
       if ($mode ne '') {$mode='\\'.$mode}
       my $result.= &print_latex_header($mode);
       if ($currentURL=~/\/ext\//) {
    $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
       } else {
    $result.=$currentURL;
       }
       $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
       return $result;
   }
   
   
   #
   #   Retrieve the hash of page breaks.
   #
   #  Inputs:
   #    helper   - reference to helper object.
   #  Outputs
   #    A reference to a page break hash.
   #
   #
   
   sub get_page_breaks  {
       my ($helper) = @_;
       my %page_breaks;
       
       foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
    $page_breaks{$break} = 1;
       }
       
       return %page_breaks;
   }
   
   sub output_data {
       my ($r,$helper,$rparmhash) = @_;
       my %parmhash = %$rparmhash;
       my $html=&Apache::lonxml::xmlbegin();
       my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
     $r->print(<<ENDPART);      $r->print(<<ENDPART);
 <html>  $html
 <head>  <head>
   <script type="text/javascript" language="Javascript">
       var editbrowser;
       function openbrowser(formname,elementname,only,omit) {
           var url = '/res/?';
           if (editbrowser == null) {
               url += 'launch=1&';
           }
           url += 'catalogmode=interactive&';
           url += 'mode=parmset&';
           url += 'form=' + formname + '&';
           if (only != null) {
               url += 'only=' + only + '&';
           } 
           if (omit != null) {
               url += 'omit=' + omit + '&';
           }
           url += 'element=' + elementname + '';
           var title = 'Browser';
           var options = 'scrollbars=1,resizable=1,menubar=0';
           options += ',width=700,height=600';
           editbrowser = open(url,title,options,'1');
           editbrowser.focus();
       }
   </script>
 <title>LON-CAPA output for printing</title>  <title>LON-CAPA output for printing</title>
 </head>  </head>
 <body bgcolor="FFFFFF">  $bodytag
 <hr>  Please stand by while processing your print request, this may take some time ...
 ENDPART  ENDPART
   
   
   
       # fetch the pagebreaks and store them in the course environment
       # The page breaks will be pulled into the hash %page_breaks which is
       # indexed by symb and contains 1's for each break.
   
       $ENV{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
       $ENV{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
       &Apache::loncommon::store_course_settings('print',
         {'pagebreaks'    => 'scalar',
          'lastprinttype' => 'scalar'});
   
       my %page_breaks  = &get_page_breaks($helper);
   
     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};      my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
     my ($result,$selectionmade) = ('','');      my ($result,$selectionmade) = ('','');
     my $number_of_columns = 1; #used only for pages to determine the width of the cell      my $number_of_columns = 1; #used only for pages to determine the width of the cell
Line 1348  ENDPART Line 864  ENDPART
     } else {      } else {
  $laystyle='book';   $laystyle='book';
     }      }
     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$laystyle,$numberofcolumns);      my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
     my $assignment =  $ENV{'form.assignment'};      my $assignment =  $ENV{'form.assignment'};
 #    if ($choice eq 'Subdirectory print') {      my $LaTeXwidth=&recalcto_mm($textwidth); 
 # if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}      my @print_array=();
 # if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}      my @student_names=();
 # if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}  
 #    }      #  Common settings for the %form has:
 #    if (($choice eq 'Standard LaTeX output for current document') &&      # In some cases these settings get overriddent by specific cases, but the
 # ($ENV{'form.url'}=~m|^/~|)) {      # settings are common enough to make it worthwhile factoring them out
 # if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}      # here.
 # if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}      #
 # if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}      my %form;
 #    }      $form{'grade_target'} = 'tex';
       $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
   
       # If form.showallfoils is set, then request all foils be shown:
       # privilege will be enforced both by not allowing the 
       # check box selecting this option to be presnt unless it's ok,
       # and by lonresponse's priv. check.
       # The if is here because lonresponse.pm only cares that
       # showallfoils is defined, not what the value is.
   
           if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
 #    my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);   $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
 #    if ($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 = $1;  
     } elsif ($textwidth=~/(\d+)\s*in/) {  
  $LaTeXwidth = $1*25.4;  
     }      }
     $LaTeXwidth.=' mm';  
   
   
     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {      if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
       #-- single document - problem, page, html, xml, ...        #-- single document - problem, page, html, xml, ...
  my $currentURL;   my ($currentURL,$cleanURL);
  if (defined $helper->{'VARS'}->{'url'}) {   if ($helper->{'VARS'}->{'construction'} ne '1') {
     $currentURL=$helper->{'VARS'}->{'url'};              #prints published resource
  } else {  
     $currentURL=$helper->{'VARS'}->{'postdata'};      $currentURL=$helper->{'VARS'}->{'postdata'};
       $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
    } else {
               #prints resource from the construction space
       $currentURL='/'.$helper->{'VARS'}->{'filename'};
       if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
       $cleanURL=$currentURL;
  }   }
  $selectionmade = 1;   $selectionmade = 1;
  if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {   if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
         my %moreenv;      my $rndseed=time;
         $moreenv{'form.grade_target'}='tex';      my $texversion='';
  if (&Apache::lonnet::allowed('bre',$currentURL)) {      if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
     $currentURL=~s/http:\/\/[^\/]+//;   my %moreenv;
  }   $moreenv{'request.filename'}=$cleanURL;
         $moreenv{'request.filename'}=$currentURL;   if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
         $moreenv{'form.textwidth'}=$LaTeXwidth;      $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
         &Apache::lonnet::appenv(%moreenv);      my $dom = $ENV{'user.domain'};
         my $texversion=&Apache::lonnet::ssi($currentURL);      my $user = $ENV{'user.name'};
         &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');      my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
         $result .= $texversion;   }
         if ($currentURL=~m/\.page\s*$/) {                  if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
   ($result,$number_of_columns) = &page_cleanup($result);   $form{'problem_split'}=$parmhash{'problem_stream_switch'};
         }   $form{'suppress_tries'}=$parmhash{'suppress_tries'};
       } else {   $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
 #  $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';   $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
 #  if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {   if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
 #      $result.=$1;   if ($helper->{'VARS'}->{'curseed'}) {
 #  } else {      $rndseed=$helper->{'VARS'}->{'curseed'};
 #      $result.=$ENV{'form.url'};   }
 #  }   $form{'rndseed'}=$rndseed;
 #  $result.=' \end{document}'   &Apache::lonnet::appenv(%moreenv);
       }   &Apache::lonnet::delenv('form.counter');
    &Apache::lonxml::init_counter();
    $texversion.=&Apache::lonnet::ssi($currentURL,%form);
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonnet::delenv('request.filename');
       }
       if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'grade_target'}='answer';
    $form{'answer_output_mode'}='tex';
    $form{'rndseed'}=$rndseed;
    my $answer=&Apache::lonnet::ssi($currentURL,%form);
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
    } else {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       if ($helper->{'VARS'}->{'construction'} ne '1') {
    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
    $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
       } else {
    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
    my $URLpath=$cleanURL;
    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
       }
       $texversion.='\vskip 1 mm '.$answer.'\end{document}';
    }
       }
       if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
    $texversion=&IndexCreation($texversion,$currentURL);
       }
       if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
   
     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or      }
       $result .= $texversion;
       if ($currentURL=~m/\.page\s*$/) {
    ($result,$number_of_columns) = &page_cleanup($result);
       }
           } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
               #printing content of sequence from the construction space
       my $flag_latex_header_remove = 'NO'; 
       my $rndseed=time;
       if ($helper->{'VARS'}->{'curseed'}) {
    $rndseed=$helper->{'VARS'}->{'curseed'};
       }
       $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
       my $errtext=&Apache::lonratedt::mapread($currentURL);
       for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
    $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
    my $urlp=$2;
    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
       my $texversion='';
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'rndseed'}=$rndseed;
    $texversion=&Apache::lonnet::ssi($urlp,%form);
       }
       if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
          ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
    $form{'grade_target'}='answer';
    $form{'answer_output_mode'}='tex';
    $form{'rndseed'}=$rndseed;
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                           if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
    my $answer=&Apache::lonnet::ssi($urlp,%form);
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
    } else {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
       $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
       $texversion.='\vskip 1 mm '.$answer.'\end{document}';
    }
       }
       if ($flag_latex_header_remove ne 'NO') {
    $texversion = &latex_header_footer_remove($texversion);
       } else {
    $texversion =~ s/\\end{document}//;
       }
       if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
    $texversion=&IndexCreation($texversion,$urlp);
       }
       if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
       }
       $result.=$texversion;
       $flag_latex_header_remove = 'YES';
    } elsif ($urlp=~/\.(sequence|page)$/) {
       $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
    }  
       }
       if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
       $result .= '\end{document}';   
    } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
    my $texversion=&Apache::lonnet::ssi($currentURL,%form);
    $result .= $texversion;
    } else {
       $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
    }
       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) {                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
        ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
        ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
         #-- produce an output string          #-- produce an output string
    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') {
       $selectionmade = 4;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
       $selectionmade = 4;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
       $selectionmade = 7;
    }
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
  my $flag_latex_header_remove = 'NO';   my $flag_latex_header_remove = 'NO';
  my $flag_page_in_sequence = 'NO';   my $flag_page_in_sequence = 'NO';
  my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};   my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    my $prevassignment='';
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonxml::init_counter();
  for (my $i=0;$i<=$#master_seq;$i++) {   for (my $i=0;$i<=$#master_seq;$i++) {
     $master_seq[$i]=~/___\d+___(.*)$/;  
     my $urlp='/res/'.$1;      # Note due to document structure, not allowed to put \newpage
     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {      # prior to the first resource
  $selectionmade = 2;  
     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {      if (defined $page_breaks{$master_seq[$i]}) {
  $selectionmade = 3;   if($i != 0) {
     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {      $result.="\\newpage\n";
  $selectionmade = 4;   }
     }      }
     my %moreenv;      my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
     $moreenv{'form.grade_target'}='tex';      $urlp=&Apache::lonnet::clutter($urlp);
     $moreenv{'form.textwidth'}=$LaTeXwidth;      $form{'symb'}=$master_seq[$i];
     &Apache::lonnet::appenv(%moreenv);      my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
     #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");      my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
     my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$master_seq[$i]));      if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
     &Apache::lonnet::delenv('form.grade_target','form.textwidth');      if ($i==0) {$prevassignment=$assignment;}
     if ($urlp=~/\.page$/) {      my $texversion='';
  ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);      if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
  if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}    $texversion.=&Apache::lonnet::ssi($urlp,%form);
  $texversion =~ s/\\end{document}\d*/\\end{document}/;   if ($urlp=~/\.page$/) {
  $flag_page_in_sequence = 'YES';      ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
     }       if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
     if ($flag_latex_header_remove ne 'NO') {      $texversion =~ s/\\end{document}\d*/\\end{document}/;
  $texversion = &latex_header_footer_remove($texversion);      $flag_page_in_sequence = 'YES';
    } 
    my $lonidsdir=$r->dir_config('lonIDsDir');
    my $envfile=$ENV{'user.environment'};
    $envfile=~/\/([^\/]+)\.id$/;
    $envfile=$1;
    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
    my $current_counter=$ENV{'form.counter'};
    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
      ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
       $form{'grade_target'}='answer';
       $form{'answer_output_mode'}='tex';
       my $answer=&Apache::lonnet::ssi($urlp,%form);
       &Apache::lonnet::appenv(('form.counter' => $current_counter));
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
       } else {
    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
       $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
       $texversion.='\vskip 1 mm '.$answer;
    } else {
       $texversion='';
    }
       }
    }
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}//;
    }
    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
       $texversion=&IndexCreation($texversion,$urlp);
    }
    if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
       my $name = &get_name();
       my $courseidinfo = &get_course();
       if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
       $prevassignment=$assignment;
       $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES';   
       } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
    my $texversion=&Apache::lonnet::ssi($urlp,%form);
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES'; 
     } else {      } else {
  $texversion =~ s/\\end{document}//;   $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
     }   if ($flag_latex_header_remove ne 'NO') {
     $result .= $texversion;               $texversion = &latex_header_footer_remove($texversion);
     $flag_latex_header_remove = 'YES';      } else {
       $texversion =~ s/\\end{document}//;
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES';   
       }    
       if (&Apache::loncommon::connection_aborted($r)) { last; }
  }   }
  &Apache::lonnet::delenv('form.counter');   &Apache::lonnet::delenv('form.counter');
  if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}   if ($flag_page_in_sequence eq 'YES') {
       $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
    }
  $result .= '\end{document}';   $result .= '\end{document}';
      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {        } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
         ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
   
   
      #-- prints assignments for whole class or for selected students         #-- prints assignments for whole class or for selected students  
  $selectionmade=5;   my $type;
    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
        $selectionmade=5;
        $type='problems';
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
        $selectionmade=8;
        $type='resources';
    }
  my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};   my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
    #   The normal sort order is by section then by students within the
    #   section. If the helper var student_sort is 1, then the user has elected
    #   to override this and output the students by name.
    #    Each element of the students array is of the form:
    #       username:domain:section:last, first:status
    #    
    #   
    if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
        @students = sort compare_names  @students;
    }
            if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
    }
  my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};   my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
   
  #loop over students   #loop over students
  my $flag_latex_header_remove = 'NO';    my $flag_latex_header_remove = 'NO'; 
  my %moreenv;   my %moreenv;
  $moreenv{'form.textwidth'}=$LaTeXwidth;           $moreenv{'instructor_comments'}='hide';
  &Apache::lonnet::appenv(%moreenv);   $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
  my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);   $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
    $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
    my $student_counter=-1;
  foreach my $person (@students) {   foreach my $person (@students) {
     my $current_output = '';   
 #    my ($usersection,$username,$userdomain) = split /:/,$person;               my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
     my ($username,$userdomain) = split /:/,$person;       if (-e $duefile) {
     my $fullname = &get_name($username,$userdomain);   my $temp_file = Apache::File->new('>>'.$duefile);
             #goes through all resources, checks if they are available for current student, and produces output      print $temp_file "1969\n";
     foreach my $curresline (@master_seq)  {       }
  if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {       $student_counter++;
     my ($map,$id,$res_url) = split(/___/,$curresline);       my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
     if (&Apache::lonnet::allowed('bre',$res_url)) {       my ($output,$fullname)=&print_resources($r,$helper,
  my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,       $person,$type,
                                                                         $ENV{'request.course.id'},'tex');       \%moreenv,\@master_seq,
  if ($flag_latex_header_remove eq 'YES') {       $flag_latex_header_remove,
     $rendered = &latex_header_footer_remove($rendered);       $LaTeXwidth);
  } else {       $print_array[$i].=$output;
     $rendered =~ s/\\end{document}//;       $student_names[$i].=$person.':'.$fullname.'_END_';
  }       &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
  $current_output .= $rendered;       $flag_latex_header_remove = 'YES';
     }       if (&Apache::loncommon::connection_aborted($r)) { last; }
     $flag_latex_header_remove = 'YES';   }
  }   &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
     }   $result .= $print_array[0].'  \end{document}';
     my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
     if ($current_output=~/\\documentclass/) {        ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
  $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\vskip 3 mm /;   my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
     } else {   my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
  my $blanspages = '';   my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
  for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}   my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
  $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$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;   my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
     }   my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
     $result .= $current_output;   $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
     &Apache::lonnet::delenv('form.counter');       my $seed=time+($$<<16)+($$);
     &Apache::lonxml::init_counter();    my @allcodes;
     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,   if ($old_name) {
     'last student '.$fullname);       my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
  }       @allcodes=split(',',$result{$old_name});
  &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);       $num_todo=scalar(@allcodes);
  $result .= '\end{document}';   } else {
  &Apache::lonnet::delenv('form.textwidth');       my %allcodes;
     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {             srand($seed);
        for (my $i=0;$i<$num_todo;$i++) {
    $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
        }
        if ($code_name) {
    &Apache::lonnet::put('CODEs',
         {$code_name =>join(',',keys(%allcodes))},
         $cdom,$cnum);
        }
        @allcodes=keys(%allcodes);
    }
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
    my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
    if ($number_per_page eq '0' || $number_per_page eq 'all') {
        $number_per_page=$num_todo;
    }
    my $flag_latex_header_remove = 'NO'; 
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
    my $count=0;
    foreach my $code (sort(@allcodes)) {
        my $file_num=int($count/$number_per_page);
        $moreenv{'CODE'}=&num_to_letters($code);
        my ($output,$fullname)=
    &print_resources($r,$helper,'anonymous',$type,\%moreenv,
     \@master_seq,$flag_latex_header_remove,
     $LaTeXwidth);
        $print_array[$file_num].=$output;
        &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
          &mt('last assignment').' '.$fullname);
        $flag_latex_header_remove = 'YES';
        $count++;
        if (&Apache::loncommon::connection_aborted($r)) { last; }
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $result .= $print_array[0].'  \end{document}';
        } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
     #prints selected problems from the subdirectory       #prints selected problems from the subdirectory 
  $selectionmade = 6;   $selectionmade = 6;
         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};          my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
  my $flag_latex_header_remove = 'NO';     @list_of_files=sort @list_of_files;
    my $flag_latex_header_remove = 'NO'; 
    my $rndseed=time;
    if ($helper->{'VARS'}->{'curseed'}) {
       $rndseed=$helper->{'VARS'}->{'curseed'};
    }
  for (my $i=0;$i<=$#list_of_files;$i++) {   for (my $i=0;$i<=$#list_of_files;$i++) {
 #    my $urlp = $list_of_files[$i];      my $urlp = $list_of_files[$i];
 #    if ($urlp=~/\//) {      $urlp=~s|//|/|;
  my %moreenv;      if ($urlp=~/\//) {
  $moreenv{'form.grade_target'}='tex';   $form{'problem_split'}=$parmhash{'problem_stream_switch'};
  $moreenv{'form.textwidth'}=$LaTeXwidth;   $form{'rndseed'}=$rndseed;
  &Apache::lonnet::appenv(%moreenv);   if ($urlp =~ m|/home/([^/]+)/public_html|) {
 # if ($urlp =~ m|/home/([^/]+)/public_html|) {      $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
 #    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;   } else {
 # } else {      $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
 #    $urlp =~ s|^/home/httpd/html||;   }
 # }   my $texversion=&Apache::lonnet::ssi($urlp,%form);
 # my $texversion=&Apache::lonnet::ssi($urlp);   if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
  &Apache::lonnet::delenv('form.grade_target','form.textwidth');     ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
       $form{'grade_target'}='answer';
       $form{'answer_output_mode'}='tex';
       $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
       $form{'rndseed'}=$rndseed;
       my $answer=&Apache::lonnet::ssi($urlp,%form);
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
       } else {
    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
    if ($helper->{'VARS'}->{'construction'} ne '1') {
       $texversion.='\vskip 0 mm \noindent ';
       $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
    } else {
       $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
       my $URLpath=$urlp;
       $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
       $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
    }
    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
       }
    }
                 #this chunck is responsible for printing the path to problem                  #this chunck is responsible for printing the path to problem
 # my $newurlp = '';   my $newurlp=$urlp;
 # my $HowMany = length($urlp)*2;   if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
 # if ($HowMany > $LaTeXwidth) {   $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
 #    my @temporrary = split '/',$urlp;   $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
 #    my $HowManyNew = 0;   if ($flag_latex_header_remove ne 'NO') {
 #    for (my $ii=0;$ii<=$#temporrary;$ii++) {      $texversion = &latex_header_footer_remove($texversion);
 # if ($temporrary[$ii] ne '') {   } else {
 #    $HowManyNew += length($temporrary[$ii])*2;      $texversion =~ s/\\end{document}//;
 #    if ($HowManyNew < $LaTeXwidth ) {   }
 # $newurlp .=  '/'.$temporrary[$ii];   if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
 #    } else {      $texversion=&IndexCreation($texversion,$urlp);
 # $HowManyNew = 0;   }
 # $newurlp .=  '|\vskip -1 mm \noindent \verb|';   if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
 # $ii--;      $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
 #    }      
 # }   }
 #    }   $result .= $texversion;
 # }      }
 # $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;      $flag_latex_header_remove = 'YES';  
 # if ($flag_latex_header_remove ne 'NO') {  
 #    $texversion = &latex_header_footer_remove($texversion);  
 # } else {  
 #    $texversion =~ s/\\end{document}//;  
 # }  
 # $result .= $texversion;  
 #    }  
 #    $flag_latex_header_remove = 'YES';    
  }   }
 # $result .= '\end{document}';         if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
    $result .= '\end{document}';      
     }      }
 #-------------------------------------------------------- corrections for the different page formats  #-------------------------------------------------------- corrections for the different page formats
     $result = &page_format_transformation_new($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'});      $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
 #    if ($layout eq 'CBI') {      $result = &latex_corrections($number_of_columns,$result,$selectionmade);
 #        $laystyle = 'album';      for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
 #    }      #changes page's parameters for the one column output 
     $result = &latex_corrections($number_of_columns,$result);      if ($numberofcolumns == 1) {
 #    #changes page's parameters for the one column output    $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
 #    if ($ENV{'form.numberofcolumns'} == 1) {   $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
 # $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;   $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
 # $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;   $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
 # $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;      }
 # $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;  
 #    }  
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
     my $temp_file;      my $temp_file;
     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";      my $identifier = &Apache::loncommon::get_cgi_id();
     unless ($temp_file = Apache::File->new('>'.$filename)) {      my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
  $r->log_error("Couldn't open $filename for output $!");      if (!($#print_array>0)) { 
  return SERVER_ERROR;    unless ($temp_file = Apache::File->new('>'.$filename)) {
     }       $r->log_error("Couldn't open $filename for output $!");
     print $temp_file $result;      return SERVER_ERROR; 
    }
    print $temp_file $result;
    my $begin=index($result,'\begin{document}',0);
    my $inc=substr($result,0,$begin+16);
       } else {
    my $begin=index($result,'\begin{document}',0);
    my $inc=substr($result,0,$begin+16);
           for (my $i=0;$i<=$#print_array;$i++) {
       if ($i==0) {
    $print_array[$i]=$result;
       } else {
    my $anobegin=index($print_array[$i],'\setcounter{page}',0);
    substr($print_array[$i],0,$anobegin)='';
    $print_array[$i]=$inc.$print_array[$i].'\end{document}';
       }
       my $temp_file;
       my $newfilename=$filename;
       my $num=$i+1;
       $newfilename =~s/\.tex$/_$num\.tex/; 
       unless ($temp_file = Apache::File->new('>'.$newfilename)) {
    $r->log_error("Couldn't open $newfilename for output $!");
    return SERVER_ERROR; 
       }
       print $temp_file $print_array[$i];
    }
       }
       my $student_names='';
       if ($#print_array>0) {
    for (my $i=0;$i<=$#print_array;$i++) {
       $student_names.=$student_names[$i].'_ENDPERSON_';
    }
       } else {
    if ($#student_names>-1) {
       $student_names=$student_names[0].'_ENDPERSON_';
    } else {
       my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
       $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
    $ENV{'request.course.sec'},$fullname).
       '_ENDPERSON_'.'_END_';
    }
       }
   
       my $URLback=''; #link to original document
       if ($helper->{'VARS'}->{'construction'} ne '1') {
    #prints published resource
    $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
       } else {
    #prints resource from the construction space
    $URLback='/'.$helper->{'VARS'}->{'filename'};
    if ($URLback=~/([^?]+)/) {
       $URLback=$1;
       $URLback=~s|^/~|/priv/|;
    }
       }
   
 #<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">      &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                               'cgi.'.$identifier.'.layout'  => $laystyle,
                               'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
       'cgi.'.$identifier.'.paper'  => $papersize,
                               'cgi.'.$identifier.'.selection' => $selectionmade,
       'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
       'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
       'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
                               'cgi.'.$identifier.'numberoffiles' => $#print_array,
                               'cgi.'.$identifier.'studentnames' => $student_names,
                               'cgi.'.$identifier.'backref' => $URLback,);
    
 $r->print(<<FINALEND);  $r->print(<<FINALEND);
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">  <br />
   <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
   <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
 </body>  </body>
 </html>  </html>
 FINALEND  FINALEND
 }  }
   
   sub num_to_letters {
       my ($num) = @_;
       my @nums= split('',$num);
       my @num_to_let=('A'..'Z');
       my $word;
       foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
       return $word;
   }
   
   sub get_CODE {
       my ($all_codes,$num,$seed,$size)=@_;
       my $max='1'.'0'x$size;
       my $newcode;
       while(1) {
    $newcode=sprintf("%06d",int(rand($max)));
    if (!exists($$all_codes{$newcode})) {
       $$all_codes{$newcode}=1;
       return &num_to_letters($newcode);
    }
       }
   }
   
   sub print_resources {
       my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
    $LaTeXwidth)=@_;
       my $current_output = ''; 
       my ($username,$userdomain,$usersection) = split /:/,$person;
       my $fullname = &get_name($username,$userdomain);
       my $namepostfix;
       if ($person =~ 'anon') {
    $namepostfix="\\\\Name: ";
    $fullname = "CODE - ".$moreenv->{'CODE'};
       }
       my $i           = 0;
       #goes through all resources, checks if they are available for 
       #current student, and produces output   
       &Apache::lonnet::delenv('form.counter');
       &Apache::lonxml::init_counter();
   
       my %page_breaks  = &get_page_breaks($helper);
   
       foreach my $curresline (@{$master_seq})  {
    if (defined $page_breaks{$curresline}) {
       if($i != 0) {
    $current_output.= "\\newpage\n";
       }
    }
    $i++;
    if ( !($type eq 'problems' && 
          ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
       my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
       if (&Apache::lonnet::allowed('bre',$res_url)) {
    if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
       my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
       my $lonidsdir=$r->dir_config('lonIDsDir');
       my $envfile=$ENV{'user.environment'};
       $envfile=~/\/([^\/]+)\.id$/;
       $envfile=$1;
       &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
       my $current_counter=$ENV{'form.counter'};
       if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
    $moreenv->{'answer_output_mode'}='tex';
    $moreenv->{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%{$moreenv});
    &Apache::lonnet::appenv(('form.counter' => $current_counter));
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
    } else {
       $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
       $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
       $rendered.='\vskip 1 mm '.$ansrendered;
    }
       }
       if ($remove_latex_header eq 'YES') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
       }
       $current_output .= $rendered;    
    } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
       my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
       my $lonidsdir=$r->dir_config('lonIDsDir');
       my $envfile=$ENV{'user.environment'};
       $envfile=~/\/([^\/]+)\.id$/;
       $envfile=$1;
       &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
       my $current_counter=$ENV{'form.counter'};
       if ($remove_latex_header eq 'YES') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
       }
       $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
    } else {
       my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
       if ($remove_latex_header ne 'NO') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
       }
       $current_output .= $rendered;
    }
       }
       $remove_latex_header = 'YES';
    }
    if (&Apache::loncommon::connection_aborted($r)) { last; }
       }
       my $courseidinfo = &get_course();
       if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
       if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
       my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
       if ($current_output=~/\\documentclass/) {
    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
       } else {
    my $blankpages = '';
    for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
    $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output;
       }
       return ($current_output,$fullname);
   
   }
   
 sub handler {  sub handler {
   
     my $r = shift;      my $r = shift;
     my $helper;      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);  #    my $loaderror=&Apache::lonnet::overloaderror($r);
 #    if ($loaderror) { return $loaderror; }  #    if ($loaderror) { return $loaderror; }
 #    $loaderror=  #    $loaderror=
Line 1624  sub handler { Line 1574  sub handler {
 #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});  #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
 #    if ($loaderror) { return $loaderror; }  #    if ($loaderror) { return $loaderror; }
   
     $r->content_type('text/html');      my $result = printHelper($r);
     $r->send_http_header;      if (!ref($result)) {
     $r->print(&Apache::loncommon::bodytag("Printing"));   return $result;
       }
       $helper = $result;
      
   # my $key; 
   # foreach $key (keys %{$helper->{'VARS'}}) {
   #    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
   # }
   # foreach $key (keys %ENV) {
   #    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
   # }
   # return OK;
   
     if ($ENV{'request.course.id'}) {      my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
  my $fn=$ENV{'request.course.fn'};   
  tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);  # my $key; 
     }  # foreach $key (keys %parmhash) {
   #    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
 #-- start form  # }
     &headerform($r);  #
 #-- menu for output  
     unless  ($ENV{'form.phase'}) {  
  &menu_for_output($r);      #  If a figure conversion queue file exists for this user.domain
     }      # we delete it since it can only be bad (if it were good, printout.pl
 #-- additional menu for class printing      # would have deleted it the last time around.
      if ($ENV{'form.phase'} eq 'two') {  
  if($ENV{'form.choice'} eq 'Standard LaTeX output for whole primary sequence') {      my $conversion_queuefile = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
      &sequence_content_menu(0,$r);      if(-e $conversion_queuefile) {
  } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') {   unlink $conversion_queuefile;
      &sequence_content_menu(1,$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 {  
     $ENV{'form.phase'} = 'four';  
  }  
     }      }
 #-- core part       &output_data($r,$helper,\%parmhash);
     if ($ENV{'form.phase'} eq 'four') {  
  &output_data($r);  
     }  
     untie %hash;  
     return OK;      return OK;
      
 }   } 
   
 use Apache::lonhelper;  use Apache::lonhelper;
   
   sub addMessage {
       my $text = shift;
       my $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{MESSAGE_TEXT} = $text;
       Apache::lonhelper::message->new();
   }
   
   use Data::Dumper;
   
 sub printHelper {  sub printHelper {
     my $r = shift;      my $r = shift;
   
     if ($ENV{'request.course.id'}) {  
  my $fn=$ENV{'request.course.fn'};  
  tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);  
     }  
   
     if ($r->header_only) {      if ($r->header_only) {
         if ($ENV{'browser.mathml'}) {          if ($ENV{'browser.mathml'}) {
             $r->content_type('text/xml');              &Apache::loncommon::content_type($r,'text/xml');
         } else {          } else {
             $r->content_type('text/html');              &Apache::loncommon::content_type($r,'text/html');
         }          }
         $r->send_http_header;          $r->send_http_header;
         return OK;          return OK;
Line 1692  sub printHelper { Line 1636  sub printHelper {
   
     # Send header, nocache      # Send header, nocache
     if ($ENV{'browser.mathml'}) {      if ($ENV{'browser.mathml'}) {
         $r->content_type('text/xml');          &Apache::loncommon::content_type($r,'text/xml');
     } else {      } else {
         $r->content_type('text/html');          &Apache::loncommon::content_type($r,'text/html');
     }      }
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
Line 1705  sub printHelper { Line 1649  sub printHelper {
   
     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});      Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
           
     my $helper = Apache::lonhelper::helper->new("Printing Wizard");      my $helper = Apache::lonhelper::helper->new("Printing Helper");
     $helper->declareVar('symb');      $helper->declareVar('symb');
     $helper->declareVar('postdata');      $helper->declareVar('postdata');    
       $helper->declareVar('curseed'); 
       $helper->declareVar('probstatus');   
       $helper->declareVar('filename');
       $helper->declareVar('construction');
       $helper->declareVar('assignment');
       $helper->declareVar('style_file');
       $helper->declareVar('student_sort');
       $helper->declareVar('FINISHPAGE');
       $helper->declareVar('PRINT_TYPE');
       $helper->declareVar("showallfoils");
   
       #  The page breaks can get loaded initially from the course environment:
   
       if((!defined($ENV{"form.CURRENT_STATE"}))  ||
          ($ENV{'form.CURRENT_STATE'} == "START")) {
    $helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
       }
   
   
       
       &Apache::loncommon::restore_course_settings('print',
    {'pagebreaks'  => 'scalar',
            'lastprinttype' => 'scalar'});
   
       
       if("$helper->{VARS}->{PRINT_TYPE}" eq "$ENV{'form.lastprinttype'}") {
    $helper->{VARS}->{FINISHPAGE} = $ENV{'form.pagebreaks'};
       }
       
           
     # This will persistently load in the data we want from the      # This will persistently load in the data we want from the
     # very first screen.      # very first screen.
     if ($ENV{'form.postdata'}) {      # Detect whether we're coming from construction space
         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});      if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
           $helper->{VARS}->{'filename'} = "~$1/$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 ($ENV{'form.symb'}) {      if ($ENV{'form.symb'}) {
         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};          $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
     }      }
     if ($ENV{'form.url'}) {      if ($ENV{'form.url'}) {
         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});          $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
   
     }      }
       $helper->{VARS}->{'symb'}=
    &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
       my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
       if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
   
           
     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;  
     $helper->{VARS}->{'assignment'} = $sequenceTitle;  
   
     # Extract map      # Extract map
     my $symb = $helper->{VARS}->{'symb'};      my $symb = $helper->{VARS}->{'symb'};
     my ($map, $id, $url) = split(/___/, $symb);      my ($map, $id, $url);
     $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);      my $subdir;
   
     if (!$resourceTitle) { # if the resource doesn't have a title, use the filename      # Get the resource name from construction space
         my $url = $helper->{VARS}->{'postdata'};      if ($helper->{VARS}->{'construction'}) {
         $resourceTitle = substr($url, rindex($url, '/') + 1);          $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                                   rindex($helper->{VARS}->{'filename'}, '/')+1);
           $subdir = substr($helper->{VARS}->{'filename'},
                            0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
       } else {
           ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
           $helper->{VARS}->{'postdata'} = 
       &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
   
           if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
               my $postdata = $helper->{VARS}->{'postdata'};
               $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
           }
           $subdir = &Apache::lonnet::filelocation("", $url);
       }
       if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
    $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
       }
       if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
    $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
     }      }
   
     Apache::lonhelper::registerHelperTags();      my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
       my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
      $ENV{'request.role'}=~m/^in\./ or
      $ENV{'request.role'}=~m/^ta\./);
   
     my $subdir = &Apache::lonnet::filelocation("", $url);      Apache::lonhelper::registerHelperTags();
   
     # "Delete everything after the last slash."      # "Delete everything after the last slash."
     $subdir =~ s|/[^/]+$||;      $subdir =~ s|/[^/]+$||;
     $subdir =  '/home/httpd/html/res'.$subdir.'/';      if (not $helper->{VARS}->{'construction'}) {
    $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
       }
       # "Remove all duplicate slashes."
       $subdir =~ s|/+|/|g;
   
     # What can be printed is a very dynamic decision based on      # What can be printed is a very dynamic decision based on
     # lots of factors. So we need to dynamically build this list.      # lots of factors. So we need to dynamically build this list.
Line 1756  sub printHelper { Line 1770  sub printHelper {
     # the helper by hand.      # the helper by hand.
     my $printChoices = [];      my $printChoices = [];
     my $paramHash;      my $paramHash;
     # We can always print the current screen.  
   
     push @{$printChoices}, ["<b>$resourceTitle</b> (exactly what was on the screen)", 'current_document', 'PAGESIZE'];      if ($resourceTitle) {
           push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
       }
   
       # Useful filter strings
       my $isProblem = '($res->is_problem()||$res->contains_problem) ';
       $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
       my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
       my $isNotMap = '!$res->is_sequence()';
       $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
       my $isMap = '$res->is_map()';
       my $symbFilter = '$res->shown_symb()';
       my $urlValue = '$res->link()';
   
       $helper->declareVar('SEQUENCE');
   
       # Useful for debugging: Dump the help vars
   #    $r->print(Dumper($helper->{VARS}));
   #    $r->print($map);
   
     # If we're in a sequence...      # If we're in a sequence...
     if ($helper->{VARS}->{'postdata'} =~ /\/res\//) {      if (($helper->{'VARS'}->{'construction'} ne '1') &&
   
    $helper->{VARS}->{'postdata'} &&
    $helper->{VARS}->{'assignment'}) {
         # Allow problems from sequence          # Allow problems from sequence
         push @{$printChoices}, ["Problems from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];          push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
         # Allow all resources from sequence          # Allow all resources from sequence
         push @{$printChoices}, ["Problems and pages from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];          push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></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;          my $helperFragment = <<HELPERFRAGMENT;
   <state name="CHOOSE_PROBLEMS" title="Select Problems">    <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
     <message>Select problems to print:</message>      <message>(mark them then click "next" button) <br /></message>
     <resource variable="RESOURCES" multichoice="1" toponly='1'>      <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
       <nextstate>PAGESIZE</nextstate>        <nextstate>PAGESIZE</nextstate>
       <filterfunc>return $isProblem</filterfunc>        <filterfunc>return $isProblem;</filterfunc>
       <mapurl>$map</mapurl>        <mapurl>$map</mapurl>
       <valuefunc>return $symb</valuefunc>        <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
       </resource>        </resource>
     </state>      </state>
   
   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resources">    <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
     <message>Select resources to print:</message>      <message>(mark them then click "next" button) <br /></message>
     <resource variable="RESOURCES" multichoice="1" toponly='1'>      <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
       <nextstate>PAGESIZE</nextstate>        <nextstate>PAGESIZE</nextstate>
       <filterfunc>return $isNotMap;</filterfunc>        <filterfunc>return $isNotMap;</filterfunc>
       <mapurl>$map</mapurl>        <mapurl>$map</mapurl>
       <valuefunc>return $symb</valuefunc>        <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
       </resource>        </resource>
     </state>      </state>
 HELPERFRAGMENT  HELPERFRAGMENT
   
         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);    &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
     }      }
   
     # If the user is priviledged, allow them to print all       # If the user is privileged, allow them to print all 
     # problems in the course, optionally for selected students      # problems and resources  in the entier 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\//)) {       if ($userPriviledged && 
         push @{$printChoices}, ['<b>All problems</b> in course (may take a lot of time)', 'all_problems', 'ALL_PROBLEMS'];          ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
         push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];  
           push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
         my $isProblem = '$res->is_problem();';   push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
         my $isProblemOrMap = '$res->is_problem() || $res->is_map()';           &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
         my $symb = '$res->symb();';    <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);      <message>(mark them then click "next" button) <br /></message>
   <state name="ALL_PROBLEMS" title="Select Problems">      <resource variable="RESOURCES" toponly='0' multichoice="1"
     <message>Select problems to print:</message>   suppressEmptySequences='0' addstatus="1" closeallpages="1">
     <resource variable="RESOURCES" multichoice="1">        <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblemOrMap;</filterfunc>
         <choicefunc>return $isNotMap;</choicefunc>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
       </resource>
     </state>
     <state name="ALL_RESOURCES" title="Select Resource(s) to print">
       <message>(Mark them then click "next" button) <br /> </message>
       <resource variable="RESOURCES" toponly='0' multichoice='1'
                 suppressEmptySequences='0' addstatus='1' closeallpages='1'>
       <nextstate>PAGESIZE</nextstate>        <nextstate>PAGESIZE</nextstate>
       <filterfunc>return $isProblemOrMap</filterfunc>        <filterfunc>return $isNotMap; </filterfunc>
       <choicefunc>return $isProblem</choicefunc>        <valuefunc>return $symbFilter;</valuefunc>
       <valuefunc>return $symb</valuefunc>        <option text='NewPage' variable='FINISHPAGE' />
       </resource>
     </state>
   ALL_PROBLEMS
   
    if ($helper->{VARS}->{'assignment'}) {
       push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
       push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
    }
    my $resource_selector=<<RESOURCE_SELECTOR;
      <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                 closeallpages="1">
         <filterfunc>return $isProblem;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='New Page' variable='FINISHPAGE' />
       </resource>        </resource>
     </state>      <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
       <choices variable="EMPTY_PAGES">
         <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
         <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
         <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
         <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>
       <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
       <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
   RESOURCE_SELECTOR
   
   <state name="CHOOSE_STUDENTS" title="Choose Students">          &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
     <message>Select the students you wish to print the problems for:</message>    <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />        <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
     <resource variable="RESOURCES" multichoice="1">        <message><b>Select sort order</b> </message>
       <filterfunc>return $isProblem</filterfunc>      <choices variable='student_sort'>
         <choice computer='0'>Sort by section then student</choice>
         <choice computer='1'>Sort by students across sections.</choice>
       </choices>
       $resource_selector
     </state>
   CHOOSE_STUDENTS
   
    my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
    my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
           my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
    my $namechoice='<choice></choice>';
    foreach my $name (sort {uc($a) cmp uc($b)} @names) {
       if ($name =~ /^error: 2 /) { next; }
       $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
    }
           &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
     <state name="CHOOSE_ANON1" title="Select Students and Resources">
       <nextstate>PAGESIZE</nextstate>
       <message><hr width='33%' /></message>
       <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
       <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
          <validator>
    if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
       !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
       return "You need to specify the number of assignments to print";
    }
    return undef;
          </validator>
       </string>
       <message></td></tr><tr><td></message>
       <message><b>Names to store the CODEs under for later:</b></message>
       <message></td><td></message>
       <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
       <message></td></tr></table></message>
       <message><hr width='33%' /></message>
       <message><b>Reprint a set of saved CODEs:</b></message>
       <dropdown variable="REUSE_OLD_CODES">
           $namechoice
       </dropdown>
       <message><hr width='33%' /></message>
       $resource_selector
     </state>
   CHOOSE_ANON1
   
   
    if ($helper->{VARS}->{'assignment'}) {
       push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
       push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
    }
       
   
    $resource_selector=<<RESOURCE_SELECTOR;
       <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                 closeallpages="1">
         <filterfunc>return $isNotMap;</filterfunc>
       <mapurl>$map</mapurl>        <mapurl>$map</mapurl>
       <valuefunc>return $symb</valuefunc>        <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
       </resource>        </resource>
     <message>How should the results be printed?</message>      <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
     <choices variable="EMPTY_PAGES">      <choices variable="EMPTY_PAGES">
       <choice computer='0'>Print all problems with no blank space between them</choice>        <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
       <choice computer='1'>Put each student's problems on a new page (add pagefeed after each student)</choice> <!-- ' -->        <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
       <choice computer='2'>Seperate each student's problems with a full blank page</choice> <!-- ' -->        <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
       <choice computer='3'>Seperate each student's problems with two full blank pages</choice> <!-- ' -->        <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>      </choices>
       <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
       <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
   RESOURCE_SELECTOR
   
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
     <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
       <choices variable='student_sort'>
         <choice computer='0'>Sort by section then student</choice>
         <choice computer='1'>Sort by students across sections.</choice>
       </choices>
   
       $resource_selector
     </state>      </state>
 CHOOSE_STUDENTS  CHOOSE_STUDENTS1
   
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
     <state name="CHOOSE_ANON2" title="Select Students and Resources">
       <nextstate>PAGESIZE</nextstate>
       <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
       <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
          <validator>
    if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
       !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
       return "You need to specify the number of assignments to print";
    }
    return undef;
          </validator>
       </string>
       <message></td></tr><tr><td></message>
       <message><b>Names to store the CODEs under for later:</b></message>
       <message></td><td></message>
       <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
       <message></td></tr></table></message>
       <message><hr width='33%' /></message>
       <message><b>Reprint a set of saved CODEs:</b></message>
       <dropdown variable="REUSE_OLD_CODES">
           $namechoice
       </dropdown>
       <message><hr width='33%' /></message>
       $resource_selector
     </state>
   CHOOSE_ANON2
     }      }
   
     # FIXME: That RE should come from a library somewhere.      # 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)/)) {          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'}) and $ENV{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
         push @{$printChoices}, ["Problems from <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];          push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
           
         my $f = '$filename';          my $f = '$filename';
         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;          my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
   <state name="CHOOSE_FROM_SUBDIR" title="Select Files">    <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
     <message>Select problems you wish to print from <b>$subdir</b></message>      <message>(mark them then click "next" button) <br /></message>
     <files variable="FILES" multichoice='1'>      <files variable="FILES" multichoice='1'>
       <nextstate>PAGESIZE</nextstate>        <nextstate>PAGESIZE</nextstate>
       <filechoice>return '$subdir';</filechoice>        <filechoice>return '$subdir';</filechoice>
 CHOOSE_FROM_SUBDIR  CHOOSE_FROM_SUBDIR
                   
           # this is broken up because I really want interpolation above,
           # and I really DON'T want it below
         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';          $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
       <filefilter>return $filename =~         <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
            m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/;    $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
       </filefilter>        </filefilter>
       </files>        </files>
     </state>      </state>
Line 1858  CHOOSE_FROM_SUBDIR Line 2027  CHOOSE_FROM_SUBDIR
         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);          &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
     }      }
   
       # Allow the user to select any sequence in the course, feed it to
       # another resource selector for that sequence
       if (!$helper->{VARS}->{'construction'}) {
    push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
         'select_sequences', 'CHOOSE_SEQUENCE'];
    my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
    #Escape apostrophes and backslashes for Perl
    $escapedSequenceName =~ s/\\/\\\\/g;
    $escapedSequenceName =~ s/'/\\'/g;
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
     <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
       <message>Select the sequence to print resources from:</message>
       <resource variable="SEQUENCE">
         <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
         <filterfunc>return \$res->is_sequence;</filterfunc>
         <valuefunc>return $urlValue;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
         </resource>
       </state>
     <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
       <message>(mark desired resources then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblem</filterfunc>
         <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         <option text='Newpage' variable='FINISHPAGE' />
         </resource>
       </state>
   CHOOSE_FROM_ANY_SEQUENCE
   }
   
     # Generate the first state, to select which resources get printed.      # Generate the first state, to select which resources get printed.
     Apache::lonhelper::state->new("START", "Selecting Resources to Print");      Apache::lonhelper::state->new("START", "Select Printing Options:");
     $paramHash = Apache::lonhelper::getParamHash();      $paramHash = Apache::lonhelper::getParamHash();
     $paramHash->{MESSAGE_TEXT} = "What do you want to print?";      $paramHash->{MESSAGE_TEXT} = "";
     Apache::lonhelper::message->new();      Apache::lonhelper::message->new();
     $paramHash = Apache::lonhelper::getParamHash();      $paramHash = Apache::lonhelper::getParamHash();
     $paramHash->{'variable'} = 'PRINT_TYPE';      $paramHash->{'variable'} = 'PRINT_TYPE';
     $helper->declareVar('PRINT_TYPE');  
     $paramHash->{CHOICES} = $printChoices;      $paramHash->{CHOICES} = $printChoices;
     Apache::lonhelper::choices->new();      Apache::lonhelper::choices->new();
   
       my $startedTable = 0; # have we started an HTML table yet? (need
                             # to close it later)
   
       if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
    ($helper->{VARS}->{'construction'} eq '1')) {
    addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'ANSWER_TYPE';   
    $helper->declareVar('ANSWER_TYPE');         
           $paramHash->{CHOICES} = [
                                      ['Without Answers', 'yes'],
                                      ['With Answers', 'no'],
                                      ['Only Answers', 'only']
                                   ];
           Apache::lonhelper::dropdown->new();
    addMessage("</td></tr>");
    $startedTable = 1;
       }
   
       if ($ENV{'request.role.adv'}) {
    if (!$startedTable) {
       addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
       $startedTable = 1;
    } else {
       addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
    }
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'LATEX_TYPE';   
    $helper->declareVar('LATEX_TYPE');  
    if ($helper->{VARS}->{'construction'} eq '1') {       
       $paramHash->{CHOICES} = [
        ['standard LaTeX mode', 'standard'], 
        ['LaTeX batchmode', 'batchmode'], ];
    } else {
       $paramHash->{CHOICES} = [
        ['LaTeX batchmode', 'batchmode'],
        ['standard LaTeX mode', 'standard'] ];
    }
           Apache::lonhelper::dropdown->new();
    
    addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'TABLE_CONTENTS';   
    $helper->declareVar('TABLE_CONTENTS');         
           $paramHash->{CHOICES} = [
                                      ['No', 'no'],
                                      ['Yes', 'yes'] ];
           Apache::lonhelper::dropdown->new();
    addMessage("</td></tr>");
           
    if (not $helper->{VARS}->{'construction'}) {
       addMessage("<tr><td align='right'>Print Index: </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'TABLE_INDEX';   
       $helper->declareVar('TABLE_INDEX');         
       $paramHash->{CHOICES} = [
        ['No', 'no'],
        ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
       addMessage("</td></tr>");
       addMessage("<tr><td align='right'>Print Discussions: </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
       $helper->declareVar('PRINT_DISCUSSIONS');         
       $paramHash->{CHOICES} = [
        ['No', 'no'],
        ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
       addMessage("</td></tr>");
   
               #  If advanced roles, then allow to show all foils.
   
               if ($ENV{'request.role.adv'}) {
    addMessage("<tr><td align = 'right'>  </td><td>");
    $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'multichoice'} = "true";
    $paramHash->{'allowempty'}  = "true";
    $paramHash->{'variable'}   = "showallfoils";
    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
    Apache::lonhelper::choices->new();
    addMessage("</td></tr>");
               }
   
    }
   
    if ($helper->{'VARS'}->{'construction'}) { 
       my $stylevalue=$ENV{'construct.style'};
       my $xmlfrag .= <<"RNDSEED";
       <message><tr><td align='right'>Use random seed:  </td><td></message>
       <string variable="curseed" size="15" maxlength="15">
    <defaultvalue>
               return $helper->{VARS}->{'curseed'};
           </defaultvalue>
       </string>
        <message></td></tr><tr><td align="right">Use style file:</td><td></message>
                <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
                <message></td></tr></message>
        <choices allowempty="1" multichoice="true" variable="showallfoils">
                   <choice computer="1">Show all foils?</choice>
                </choices>
   RNDSEED
               &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
       
    } 
   
       }
   
   
   
   
       if ($startedTable) {
    addMessage("</table>");
       }
   
     Apache::lonprintout::page_format_state->new("FORMAT");      Apache::lonprintout::page_format_state->new("FORMAT");
   
     # Generate the PAGESIZE state which will offer the user the margin      # Generate the PAGESIZE state which will offer the user the margin
Line 1886  CHOOSE_FROM_SUBDIR Line 2203  CHOOSE_FROM_SUBDIR
   
     $r->print($helper->display());      $r->print($helper->display());
   
     Apache::lonhelper::unregisterHelperTags();      &Apache::lonhelper::unregisterHelperTags();
   
     untie %hash;  
   
     return OK;      return OK;
 }  }
Line 1926  use Apache::lonhelper; Line 2241  use Apache::lonhelper;
 no strict;  no strict;
 @ISA = ("Apache::lonhelper::element");  @ISA = ("Apache::lonhelper::element");
 use strict;  use strict;
   use Apache::lonlocal;
   
 my $maxColumns = 2;  my $maxColumns = 2;
 my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",   my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",                   "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",                    "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                  "A5 [148x210 mm]", "A6 [105x148 mm]" );                   "a5 [148x210 mm]", "a6 [105x148 mm]" );
   
 # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |  # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
 #                   Paper type  #                   Paper type
Line 1953  sub render { Line 2269  sub render {
     my $helper = Apache::lonhelper::getHelper();      my $helper = Apache::lonhelper::getHelper();
     my $result = '';      my $result = '';
     my $var = $self->{'variable'};      my $var = $self->{'variable'};
       my $PageLayout=&mt('Page layout');
       my $NumberOfColumns=&mt('Number of columns');
       my $PaperType=&mt('Paper type');
     $result .= <<STATEHTML;      $result .= <<STATEHTML;
   
 <p>How should the printing be formatted?</p>  <hr width="33%" />
 <table cellpadding="3">  <table cellpadding="3">
   <tr>    <tr>
     <td align="center"><b>Layout</b></td>      <td align="center"><b>$PageLayout</b></td>
     <td align="center"><b>Columns</b></td>      <td align="center"><b>$NumberOfColumns</b></td>
     <td align="center"><b>Paper type</b></td>      <td align="center"><b>$PaperType</b></td>
   </tr>    </tr>
   <tr>    <tr>
     <td>      <td>
       <input type="radio" name="${var}.layout" value="L" checked='1' /> Landscape<br />        <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
       <input type="radio" name="${var}.layout" value="P" /> Portrait        <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
     </td>      </td>
     <td>      <td align="center">
       <select name="${var}.cols">        <select name="${var}.cols">
 STATEHTML  STATEHTML
   
Line 1984  STATEHTML Line 2302  STATEHTML
     $result .= "</select></td><td>\n";      $result .= "</select></td><td>\n";
     $result .= "<select name='${var}.paper'>\n";      $result .= "<select name='${var}.paper'>\n";
   
       my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
       my $DefaultPaperSize=$parmhash{'default_paper_size'};
       if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
     $i = 0;      $i = 0;
     foreach (@paperSize) {      foreach (@paperSize) {
         if ($i == 0) {   $_=~/(\w+)/;
             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";   my $papersize=$1;
           if ($paperSize[$i]=~/$DefaultPaperSize/) {
               $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
         } else {          } else {
             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";              $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
         }          }
         $i++;          $i++;
     }      }
   
     $result .= "</select></td></tr></table>";      $result .= "</select></td></tr></table>";
     return $result;      return $result;
 }  }
Line 2100  sub render { Line 2422  sub render {
     <td align='right'><b>Left margin</b>:</td>      <td align='right'><b>Left margin</b>:</td>
     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>      <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
     <td align='left'>      <td align='left'>
       <select name='$var.heightunit'>        <select name='$var.lmarginunit'>
         <option>cm</option><option>in</option>          <option>cm</option><option>in</option>
       </select>        </select>
     </td>      </td>
Line 2108  sub render { Line 2430  sub render {
 </table>  </table>
   
 <p>Hint: Some instructors like to leave scratch space for the student by  <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>  making the width much smaller than the width of the page.</p>
   
 ELEMENTHTML  ELEMENTHTML
   
Removed from v.1.151  
changed lines
  Added in v.1.372

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