loncom/interface/lonprintout.pm - diff

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Diff for /loncom/interface/lonprintout.pm between versions 1.20 and 1.164

-version 1.20, 2002/04/01 18:23:12
+version 1.164, 2003/05/13 15:28:32
  Line 43  use strict;
  use Apache::Constants qw(:common :http);
  use Apache::lonxml;
  use Apache::lonnet;
+ use Apache::loncommon;
  use Apache::inputtags;
+ use Apache::grades;
  use Apache::edit;
  use Apache::File();
+ use Apache::lonnavmaps;
+ use POSIX qw(strftime);
+ use GDBM_File;
+ my %hash;
+ my $LaTeXwidth = 0;
  sub headerform {
      my $r = shift;
- Line 58  sub headerform {
+ Line 65  sub headerform {
  </head>
  <body bgcolor="FFFFFF">
  <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
- <h1>What do you want to print? Make a choice.</h1><br />
  ENDHEADER
+     if ($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;
-     $r->print(<<ENDMENUOUT);
+     my ($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="radio" name="choice" value="Standard LaTeX output for current document">  Current document
+ <input type="hidden" name="assignment" value="$assignment">
- (you will print what you see on the screen)<br />
+ <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>
- <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from the primary sequence<br />
+ (prints what you just saw on the screen)<br />
- <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  The whole primary sequence (problems plus all html and xml files)<br />
+ ENDMENUOUT1
- <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems from the top level sequence<br />
+     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
+       }
+     $r->print(<<ENDMENUOUT5);
  <br /><hr /><br />
  <h1>And what page format do you prefer?</h1>
- <input type="radio" name="layout" value="CBI" checked>  CBI <br />
+ <table>
- <input type="radio" name="layout" value="CAPA"> CAPA <br />
+  <tr>
+    <td>
+      <input type="radio" name="layout" value="CBI"> Landscape <br />
+      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />
+    </td>
+    <td>&nbsp;</td>
+    <td rawspan="2">
+      Number of columns: <select name="numberofcolumns">
+                          <option> 1 </option>
+                          <option selected> 2 </option>
+                         </select>
+    </td>
+    <td rawspan="2">
+      Paper size (format [width x height]): <select name="papersize">
+                                             <option selected> Letter [8 1/2x11 in] </option>
+                                             <option> Legal [8 1/2x14 in] </option>
+                                             <option> Ledger/Tabloid [11x17 in] </option>
+                                             <option> Executive [7 1/2x10 in] </option>
+                                             <option> A2 [420x594 mm] </option>
+                                             <option> A3 [297x420 mm] </option>
+                                             <option> A4 [210x297 mm] </option>
+                                             <option> A5 [148x210 mm] </option>
+                                             <option> A6 [105x148 mm] </option>
+                                            </select>
+    </td>
+  </tr>
+ </table>
+ </br>
  <input type="submit" value="Submit your choice">
+ ENDMENUOUT5
+ }
+ sub sequence_content_menu {
+     my ($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
+ }
+ sub problem_choice_menu {
+     my $r = shift;
+     my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
+     $subdirtoprint =~ s/\/[^\/]+$//;
+     my @list_of_files = ();
+     my @content_directory = ();
+     $r->print("Subdir: " . $subdirtoprint . "<br />");
+     if ($subdirtoprint =~ m|/home/([^/]+)/public_html|) {
+ 	#localmachine CSTR space
+ 	my $user=$1;
+ 	my $domain=$Apache::lonnet::perlvar{'lonDefDomain'};
+ 	@content_directory = &Apache::lonnet::dirlist($subdirtoprint,
+ 						      $domain, $user,'');
+     } else {
+         #local library server res space (allows to print only from the own library server)
+ 	@content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');
+     }
+     for (my $iy=0;$iy<=$#content_directory;$iy++) {
+ 	my @tempo_array = split(/&/,$content_directory[$iy]);
+ 	if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) {
+ 	    push(@list_of_files,$tempo_array[0]);
+ 	}
+     }
+     $subdirtoprint =~ s/\/$//;
+     for (my $i=0;$i<=$#list_of_files;$i++) {
+ 	$list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i];
+     }
+     $r->print(<<ENDMENUOUT1);
+ <input type="hidden" name="url" value="$ENV{'form.url'}">
+ <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+ <input type="hidden" name="layout" value="$ENV{'form.layout'}">
+ <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+ <h1>Mark problems which you want to print</h1>
+ <script>
+     function checkall() {
+ 	for (i=0; i<document.forms.printform.elements.length; i++) {
+             if
+           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
+ 	      document.forms.printform.elements[i].checked=true;
+             }
+         }
+     }
+     function uncheckall() {
+ 	for (i=0; i<document.forms.printform.elements.length; i++) {
+             if
+           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
+ 	      document.forms.printform.elements[i].checked=false;
+             }
+         }
+     }
+ </script>
+ <input type=button onClick="checkall()" value="Check All">&nbsp;
+ <input type=button onClick="uncheckall()" value="Uncheck">&nbsp;
+ <input type="submit" value="Submit">
+ <p>
+ ENDMENUOUT1
+     my $i=0;
+     foreach my $file (sort @list_of_files) {
+ 	$r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.
+                   $file);
+ 	$i++;
+     }
+     $r->print(<<ENDMENUOUT2);
+ <br /><br />
+ <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
+ <input type="hidden" name="numberofproblems" value="$i">
+ <input type="hidden" name="phase" value="three">
+ <input type=button onClick="checkall()" value="Check All">&nbsp;
+ <input type=button onClick="uncheckall()" value="Uncheck">&nbsp;
+ <input type="submit" value="Submit">
+ ENDMENUOUT2
+ }
+ sub additional_class_menu {
+     my $r = shift;
+     $r->print(<<ENDMENUOUT1);
+ <input type="hidden" name="url" value="$ENV{'form.url'}">
+ <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+ <input type="hidden" name="layout" value="$ENV{'form.layout'}">
+ <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+ <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
+ <h1>Select student(s) whose assignment you want to print</h1>
+ ENDMENUOUT1
+     my %courselist=&Apache::lonnet::dump(
+                    'classlist',
+ 		   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ 		   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+     my $now=time;
+     $r->print(<<ENDDISHEADER);
+ <script>
+     function checkall() {
+ 	for (i=0; i<document.forms.printform.elements.length; i++) {
+             if
+           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
+ 	      document.forms.printform.elements[i].checked=true;
+             }
+         }
+     }
+     function checksec() {
+ 	for (i=0; i<document.forms.printform.elements.length; i++) {
+             if
+           (document.forms.printform.elements[i].value.indexOf
+            (document.forms.printform.chksec.value)==0) {
+ 	      document.forms.printform.elements[i].checked=true;
+             }
+         }
+     }
+     function uncheckall() {
+ 	for (i=0; i<document.forms.printform.elements.length; i++) {
+             if
+           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
+ 	      document.forms.printform.elements[i].checked=false;
+             }
+         }
+     }
+ </script>
+ <input type=button onClick="checkall()" value="Check All">&nbsp;
+ <input type=button onClick="checksec()" value="Type Section/Group then click">
+ <input type=text size=5 name=chksec>&nbsp;
+ <input type=button onClick="uncheckall()" value="Uncheck">
+ <p>
+ ENDDISHEADER
+     my $i = 0;
+     foreach (sort keys %courselist) {
+         my ($end,$start)=split(/\:/,$courselist{$_});
+         my $active=1;
+         if (($end) && ($now>$end)) { $active=0; }
+         if ($active) {
+            my ($sname,$sdom)=split(/\:/,$_);
+            my %reply=&Apache::lonnet::get('environment',
+               ['firstname','middlename','lastname','generation'],
+               $sdom,$sname);
+            my $section=&Apache::lonnet::usection
+ 	       ($sdom,$sname,$ENV{'request.course.id'});
+ 	   if ($section == -1) { $section = ''; }
+            $r->print(
+         '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.
+ 		      $reply{'firstname'}.' '.
+                       $reply{'middlename'}.' '.
+                       $reply{'lastname'}.' '.
+                       $reply{'generation'}.
+                       ' ('.$_.') '.$section);
+ 	   $i++;
+         }
+     }
+     $r->print(<<ENDMENUOUT2);
+ <br /><br /><br />
+ <table><tr><td width=300>Number of blank pages added to each student assignments to print these assignments on physically different sheets (<b>requires manual addjustment</b>): <select name="addedpages"><option selected>0</option>
+                                                                             <option>1</option>
+                                                                             <option>2</option>
+                                                                             <option>3</option>
+                                                   </select></td></tr></table>
+ <br />
+ <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
+ <input type="hidden" name="numberofstudents" value="$i">
+ <input type="hidden" name="phase" value="three">
+ <input type="submit" value="Submit">
+ ENDMENUOUT2
+ }
+ sub additional_print_menu {
+     my $r = shift;
+     my $what_to_print = '';
+     for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
+ 	$what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';
+     }
+     for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {
+ 	$what_to_print .= '<input type="hidden" name="whattoprint'.$i.'" value="'.$ENV{'form.whattoprint'.$i}.'">';
+     }
+     for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {
+ 	$what_to_print .= '<input type="hidden" name="whatfile'.$i.'" value="'.$ENV{'form.whatfile'.$i}.'">';
+     }
+     $r->print(<<ENDMENUOUT);
+     $what_to_print
+ <input type="hidden" name="url" value="$ENV{'form.url'}">
+ <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+ <input type="hidden" name="layout" value="$ENV{'form.layout'}">
+ <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
+ <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">
+ <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">
+ <input type="hidden" name="numberoffiles" value="$ENV{'form.numberoffiles'}">
+ <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+ <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
+ <input type="hidden" name="addedpages" value="$ENV{'form.addedpages'}">
+ Define one column layout parameters: <br />
+ <b>Width</b>: <input type="text" name="width" width="8" value="9cm"> <br />
+ <b>Height</b>: <input type="text" name="height" width="8" value="25.9cm"> <br />
+ <b>Left margin</b>: <input type="text" name="leftmargin" width="8" value="-0.57in"> <br />
+ <input type="hidden" name="phase" value="four">
+ <input type="submit" value="Submit">
  </form>
  </body>
  </html>
- Line 85  ENDMENUOUT
+ Line 434  ENDMENUOUT
  }
  sub output_data {
      my $r = shift;
      $r->print(<<ENDPART);
- Line 100  ENDPART
+ Line 447  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 %mystyle;
+     my $number_of_columns = 1; #used only for pages to determine the width of the cell
-     my $filename;
+     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') {
-       my %moreenv;
+       #-- single document - problem, page, html, xml, ...
-       my $currequest=$ENV{'request.filename'};
+       $selectionmade = 1;
-       $moreenv{'form.grade_target'}='tex';
+       if ($ENV{'form.url'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
-       $moreenv{'request.filename'}=$ENV{'form.url'};
+         my %moreenv;
-       &Apache::lonnet::appenv(%moreenv);
+         $moreenv{'form.grade_target'}='tex';
-       my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
+         if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) {
-       &Apache::lonnet::delenv('form.grade_target');
+ 	  $ENV{'form.url'}=~s/http:\/\/[^\/]+//;
-       %moreenv = ();
+         }
-       $moreenv{'request.filename'}=$currequest;
+         $moreenv{'request.filename'}=$ENV{'form.url'};
-       &Apache::lonnet::appenv(%moreenv);
+         $moreenv{'form.textwidth'}=$LaTeXwidth;
-       $result .= $texversion;
+         &Apache::lonnet::appenv(%moreenv);
+         my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
-     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {
+         &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');
- #-- where is the primary sequence containing file?
+         $result .= $texversion;
- 	my %moreenv;
+         if ($ENV{'form.url'}=~m/\.page\s*$/) {
- 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
+ 	  ($result,$number_of_columns) = &page_cleanup($result);
- 	$_ = $symbolic;
+         }
- 	m/([^_]+)_/;
+       } else {
- 	my $primary_sequence = '/res/'.$1;
+ 	  $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
- #-- open and analyses the primary sequence
+ 	  if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
- 	my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
+ 	      $result.=$1;
- 	my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
+ 	  } else {
- 	my @master_seq = &content_map($sequencefilecontents);
+ 	      $result.=$ENV{'form.url'};
- #-- produce an output string
+ 	  }
+ 	  $result.=' \end{document}'
+       }
+     } elsif ($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++) {
- 	    $_ = $master_seq[$i];
+            my ($urlp,$symb) = split /&&/, $master_seq[$i];
- 	    m/\"(.*)\"/;
-             $_ = $1;
-             my $urlp = $1;
  	    if ($choice eq 'Standard LaTeX output for the primary sequence') {
- 		if (/\.problem/) {
+               $selectionmade = 2;
- 		    my %moreenv;
+ 	    } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') {
- 		    $moreenv{'form.grade_target'}='tex';
+               $selectionmade = 3;
- 		    &Apache::lonnet::appenv(%moreenv);
+ 	    }
- 		    my $texversion=&Apache::lonnet::ssi($urlp);
+ 	   my %moreenv;
- 		    &Apache::lonnet::delenv('form.grade_target');
+ 	   $moreenv{'form.grade_target'}='tex';
- 		    $texversion =~ s!\.gif!\.eps!g;
+ 	   $moreenv{'form.textwidth'}=$LaTeXwidth;
- 		    $result .= $texversion;
+ 	   &Apache::lonnet::appenv(%moreenv);
- 		}
+ 	   #&Apache::lonnet::logthis("Trying to get $urlp with symb $symb");
- 	    } else {
+ 	   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);
+ 		my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
- 		&Apache::lonnet::delenv('form.grade_target');
+ 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');
- 		$texversion =~ s!\.gif!\.eps!g;
+ 		if ($flag_latex_header_remove ne 'NO') {
- 		$result .= $texversion;
+ 		    $texversion = &latex_header_footer_remove($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};
  	    }
  	}
- #-- additional cleanup for output
+ 	#where is the primary sequence containing current resource (the same for all students)?
- 	my $first_app = index($result,'\documentclass',0);
+ 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
- 	$first_app = index($result,'\documentclass',$first_app+5);
+ 	my @sequence = split('___',$symbolic);
- 	while ($first_app != -1) {
+ 	my $primary_sequence;
- 	    my $second_app = index($result,'begin{document}',$first_app);
- 	    $first_app = rindex($result,'\end{document}',$first_app);
+ 	$primary_sequence=&Apache::lonnet::clutter($sequence[0]);
- 	    substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
+ 	my @master_seq = &coming_from_hash($primary_sequence);
- 	    $first_app = index($result,'\documentclass',$first_app+5);
+ 	for (my $i=0;$i<=$#master_seq;$i++) {
+ 	    my ($path,$title,$symb) = split /&&/,$master_seq[$i];
+ 	    $master_seq[$i] = $path.'&&'.$symb;
  	}
-     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
+         #loop over students
- 	my @master_seq = ();
+ 	my $flag_latex_header_remove = 'NO';
- 	my @add_file_seq = ();
+ 	my %moreenv;
- #-- where is the main sequence of the course?
+ 	$moreenv{'form.textwidth'}=$LaTeXwidth;
- 	my $main_seq = '/res/'.$ENV{'request.course.uri'};
+ 	&Apache::lonnet::appenv(%moreenv);
- 	my $file=&Apache::lonnet::filelocation("",$main_seq);
+ 	my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
- 	my $filecontents=&Apache::lonnet::getfile($file);
+ 	foreach my $person (@students) {
- 	my @file_seq = &content_map($filecontents);
+ 	    my $current_output = '';
- #-- do we have any other sequence inside?
+ 	    my ($usersection,$username,$userdomain) = split /:/,$person;
- 	my $i=0;
+ 	    my $fullname = &get_name($username,$userdomain);
- 	while ($i<=$#file_seq) {
+             #goes through all resources, checks if they are available for current student, and produces output
- 	    $_ = $file_seq[$i];
+ 	    foreach my $curresline (@master_seq)  {
- 	    if (/\.sequence$/) {
+ 		my ($curres,$symb) = split /&&/, $curresline;
- 		$file = &Apache::lonnet::filelocation("",$file_seq[$i]);
+                 if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
- 		$filecontents=&Apache::lonnet::getfile($file);
+ 		    my ($map,$id,$res_url) = split(/___/,$symb);
- 		@add_file_seq = &content_map($filecontents);
+ 		    if (&Apache::lonnet::allowed('bre',$res_url)) {
- 		splice(@file_seq,$i,1,@add_file_seq);
+ 			my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,
- 		@add_file_seq = ();
+                                                                         $ENV{'request.course.id'},'tex');
- 		$i = -1;
+ 			if ($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';
+ 		}
  	    }
- 	    $i++;
+ 	    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 '.$fullname);
  	}
- 	@master_seq = @file_seq;
+ 	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
- #-- produce an output string
+ 	$result .= '\end{document}';
- 	for (my $i=0;$i<=$#master_seq;$i++) {
+ 	&Apache::lonnet::delenv('form.textwidth');
- 	    $_ = $master_seq[$i];
+     } elsif ($choice eq 'Subdirectory print') {
- 	    m/\"(.*)\"/;
+     #prints selected problems from the subdirectory
-             $_ = $1;
+ 	$selectionmade = 6;
-             my $urlp = $1;
+         my @list_of_files = ();
-             if (/\.problem/) {
+ 	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');
+ 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');
- 		$texversion =~ s!\.gif!\.eps!;
+                 #this chunck is responsible for printing the path to problem
- 		$result .= $texversion;
+ 		my $newurlp = '';
- 	    }
+ 		my $HowMany = length($urlp)*2;
- 	}
+ 		if ($HowMany > $LaTeXwidth) {
- #-- additional cleanup for output
+ 		    my @temporrary = split '/',$urlp;
- 	my $first_app = index($result,'\documentclass',0);
+ 		    my $HowManyNew = 0;
- 	$first_app = index($result,'\documentclass',$first_app+5);
+ 		    for (my $ii=0;$ii<=$#temporrary;$ii++) {
- 	while ($first_app != -1) {
+ 			if ($temporrary[$ii] ne '') {
- 	    my $second_app = index($result,'begin{document}',$first_app);
+ 			    $HowManyNew += length($temporrary[$ii])*2;
- 	    $first_app = rindex($result,'\end{document}',$first_app);
+ 			    if ($HowManyNew < $LaTeXwidth ) {
- 	    substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
+ 				$newurlp .=  '/'.$temporrary[$ii];
- 	    $first_app = index($result,'\documentclass',$first_app+5);
+ 			    } 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
+ #-------------------------------------------------------- corrections for the different page formats
+     $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result,$assignment);
      if ($layout eq 'CBI') {
- 	$result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/;
          $laystyle = 'album';
-     } elsif ($layout eq 'CAPA') {
-         my $courseidinfo = $ENV{'request.role'};
-         $_ = $courseidinfo;
-         m/.*\/(.*)/;
-         $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
- 	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
- 	$result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /;
- 	$result =~ s/\\includegraphics/\\includegraphics\[width=9\.0 cm\]/g;
- 	$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.0cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPS $1/;
      }
- #-- LaTeX corrections
+     $result = &latex_corrections($number_of_columns,$result);
-     $result =~ s/^\s+$//gm; #remove empty lines
+     #changes page's parameters for the one column output
-     $result =~ s/%/\\%/g;   #corrects %
+     if ($ENV{'form.numberofcolumns'} == 1) {
-     $result =~ s/(\s)+/$1/g; #removes more than one empty space
+ 	$result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
-     $result =~ s/\\\\\s*(\\vskip)/ $1/gm;
+ 	$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;
-     $filename = "/home/httpd/prtspool/$ENV{'user.name'}$ENV{'user.domain'}temp$ENV{'user.login.time'}.tex";
+     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&$laystyle">
+ <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
  </body>
  </html>
  FINALEND
  }
+ sub coming_from_hash {
+     my $mainsequence = shift;
- sub content_map {
+     my @resourcelist = ();
- #-- find a list of files to print
+     my $mapid = $hash{'map_pc_'.$mainsequence};
-     my $map_string = shift;
+     my $mapstart = $hash{'map_start_'.$mainsequence};
-     my @number_seq = ();
+     my $mapfinish = $hash{'map_finish_'.$mainsequence};
-     my @file_seq = ();
+     my $current_resource = $mapstart;
-     my $startlink = index($map_string,'<link',0);
+     while ($current_resource ne $mapfinish) {
-     my $endlink = index($map_string,'</link>',$startlink);
+ 	if ($hash{'src_'.$current_resource}=~/\.sequence$/) {
-     my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
+ 	    push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
-     $_ = $chunk;
+ 	} else {
-     m/from=\"(\d+)\"/;
+ 	    my $presymb=&Apache::lonnet::declutter($mainsequence);
-     push @number_seq,$1;
+ 	    my $rid = $current_resource;
-     while ($startlink != -1) {
+ 	    if ($rid=~/,/) {
- 	$endlink = index($map_string,'</link>',$startlink);
+ 		my @rid = split /,/, $rid;
- 	$chunk = substr($map_string,$startlink,$endlink-$startlink+7);
+ 		foreach my $rid_element (@rid) {
- 	substr($map_string,$startlink,$endlink-$startlink+7) = '';
+ 		    if ($rid_element =~ m/^$mapid\.(\d*)/) {
- 	$_ = $chunk;
+ 			$rid = $1;
-         m/to=\"(\d+)\"/;
+ 			last;
- 	push @number_seq,$1;
+ 		    }
- 	$startlink = index($map_string,'from="'.$1.'"',$startlink);
+ 		}
- 	$startlink = rindex($map_string,'<link ',$startlink);
+ 	    } else {
-     }
+ 	        $rid =~ m/^$mapid\.(\d*)/;
-     my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
+                 $rid = $1;
-     while ($stalink != -1) {
+ 	    }
- 	$startlink = rindex($map_string,'<link ',$stalink);
+ 	    my $symb = $presymb.'___'.$rid.'___'.
- 	$endlink = index($map_string,'</link>',$startlink);
+ 		&Apache::lonnet::declutter($hash{'src_'.$current_resource});
- 	$chunk = substr($map_string,$startlink,$endlink-$startlink+7);
+ 	    push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$hash{'title_'.$current_resource}.'&&'.$symb;
- 	substr($map_string,$startlink,$endlink-$startlink+7) = '';
+ 	}
- 	$_ = $chunk;
+ 	$current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
-         m/from=\"(\d+)\"/;
+     }
- 	unshift @number_seq,$1;
+     #needs if final resource in the map (type="finish") contains something
- 	$stalink = index($map_string,' to="'.$number_seq[0].'"',0);
+ 	if ($hash{'src_'.$current_resource}=~/\.sequence$/) {
-     }
+ 	    push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
-     for (my $i=0;$i<=$#number_seq;$i++) {
+ 	} else {
- 	$stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
+ 	    my $presymb=&Apache::lonnet::declutter($mainsequence);
-         {
+ 	    my $rid = $current_resource;
- 	    my $ahed1 = index($map_string,'src="',$stalink);
+ 	    if ($rid=~/,/) {
- 	    my $ahed2 = index($map_string,'</resource>',$stalink);
+ 		my @rid = split /,/, $rid;
- 	    if ($ahed1 != -1) {
+ 		foreach my $rid_element (@rid) {
- 		if ($ahed1 < $ahed2) {
+ 		    if ($rid_element =~ m/^$mapid\.(\d*)/) {
- 		    $startlink = $ahed1;
+ 			$rid = $1;
- 		} else {
+ 			last;
- 		    $startlink = rindex($map_string,'src="',$stalink);
+ 		    }
  		}
  	    } else {
- 		$startlink = rindex($map_string,'src="',$stalink);
+ 	        $rid =~ m/^$mapid\.(\d*)/;
+                 $rid = $1;
+ 	    }
+ 	    my $symb = $presymb.'___'.$rid.'___'.
+ 		&Apache::lonnet::declutter($hash{'src_'.$current_resource});
+ 	    push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$hash{'title_'.$current_resource}.'&&'.$symb;
+ 	}
+ 	$current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};
+     return @resourcelist;
+ }
+ sub latex_header_footer_remove {
+     my $text = shift;
+     $text =~ s/\\end{document}//;
+     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
+     return $text;
+ }
+ sub character_chart {
+     my $result = shift;
+     $result =~ s/&\#0?0?(7|9);//g;
+     $result =~ s/&\#0?(10|13);//g;
+     $result =~ s/&\#0?32;/ /g;
+     $result =~ s/&\#0?33;/!/g;
+     $result =~ s/&(\#0?34|quot);/\"/g;
+     $result =~ s/&\#0?35;/\\\#/g;
+     $result =~ s/&\#0?36;/\\\$/g;
+     $result =~ s/&\#0?37;/\\%/g;
+     $result =~ s/&(\#0?38|amp);/\\&/g;
+     $result =~ s/&\#(0?39|146);/\'/g;
+     $result =~ s/&\#0?40;/(/g;
+     $result =~ s/&\#0?41;/)/g;
+     $result =~ s/&\#0?42;/\*/g;
+     $result =~ s/&\#0?43;/\+/g;
+     $result =~ s/&\#(0?44|130);/,/g;
+     $result =~ s/&\#0?45;/-/g;
+     $result =~ s/&\#0?46;/\./g;
+     $result =~ s/&\#0?47;/\//g;
+     $result =~ s/&\#0?48;/0/g;
+     $result =~ s/&\#0?49;/1/g;
+     $result =~ s/&\#0?50;/2/g;
+     $result =~ s/&\#0?51;/3/g;
+     $result =~ s/&\#0?52;/4/g;
+     $result =~ s/&\#0?53;/5/g;
+     $result =~ s/&\#0?54;/6/g;
+     $result =~ s/&\#0?55;/7/g;
+     $result =~ s/&\#0?56;/8/g;
+     $result =~ s/&\#0?57;/9/g;
+     $result =~ s/&\#0?58;/:/g;
+     $result =~ s/&\#0?59;/;/g;
+     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
+     $result =~ s/&\#0?61;/\$=\$/g;
+     $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
+     $result =~ s/&\#0?63;/\?/g;
+     $result =~ s/&\#0?65;/A/g;
+     $result =~ s/&\#0?66;/B/g;
+     $result =~ s/&\#0?67;/C/g;
+     $result =~ s/&\#0?68;/D/g;
+     $result =~ s/&\#0?69;/E/g;
+     $result =~ s/&\#0?70;/F/g;
+     $result =~ s/&\#0?71;/G/g;
+     $result =~ s/&\#0?72;/H/g;
+     $result =~ s/&\#0?73;/I/g;
+     $result =~ s/&\#0?74;/J/g;
+     $result =~ s/&\#0?75;/K/g;
+     $result =~ s/&\#0?76;/L/g;
+     $result =~ s/&\#0?77;/M/g;
+     $result =~ s/&\#0?78;/N/g;
+     $result =~ s/&\#0?79;/O/g;
+     $result =~ s/&\#0?80;/P/g;
+     $result =~ s/&\#0?81;/Q/g;
+     $result =~ s/&\#0?82;/R/g;
+     $result =~ s/&\#0?83;/S/g;
+     $result =~ s/&\#0?84;/T/g;
+     $result =~ s/&\#0?85;/U/g;
+     $result =~ s/&\#0?86;/V/g;
+     $result =~ s/&\#0?87;/W/g;
+     $result =~ s/&\#0?88;/X/g;
+     $result =~ s/&\#0?89;/Y/g;
+     $result =~ s/&\#0?90;/Z/g;
+     $result =~ s/&\#0?91;/[/g;
+     $result =~ s/&\#0?92;/\$\\setminus\$/g;
+     $result =~ s/&\#0?93;/]/g;
+     $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
+     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
+     $result =~ s/&\#(0?96|145);/\`/g;
+     $result =~ s/&\#0?97;/a/g;
+     $result =~ s/&\#0?98;/b/g;
+     $result =~ s/&\#0?99;/c/g;
+     $result =~ s/&\#100;/d/g;
+     $result =~ s/&\#101;/e/g;
+     $result =~ s/&\#102;/f/g;
+     $result =~ s/&\#103;/g/g;
+     $result =~ s/&\#104;/h/g;
+     $result =~ s/&\#105;/i/g;
+     $result =~ s/&\#106;/j/g;
+     $result =~ s/&\#107;/k/g;
+     $result =~ s/&\#108;/l/g;
+     $result =~ s/&\#109;/m/g;
+     $result =~ s/&\#110;/n/g;
+     $result =~ s/&\#111;/o/g;
+     $result =~ s/&\#112;/p/g;
+     $result =~ s/&\#113;/q/g;
+     $result =~ s/&\#114;/r/g;
+     $result =~ s/&\#115;/s/g;
+     $result =~ s/&\#116;/t/g;
+     $result =~ s/&\#117;/u/g;
+     $result =~ s/&\#118;/v/g;
+     $result =~ s/&\#119;/w/g;
+     $result =~ s/&\#120;/x/g;
+     $result =~ s/&\#121;/y/g;
+     $result =~ s/&\#122;/z/g;
+     $result =~ s/&\#123;/\\{/g;
+     $result =~ s/&\#124;/\|/g;
+     $result =~ s/&\#125;/\\}/g;
+     $result =~ s/&\#126;/\~/g;
+     $result =~ s/&\#131;/\\textflorin /g;
+     $result =~ s/&\#132;/\"/g;
+     $result =~ s/&\#133;/\$\\ldots\$/g;
+     $result =~ s/&\#134;/\$\\dagger\$/g;
+     $result =~ s/&\#135;/\$\\ddagger\$/g;
+     $result =~ s/&\#137;/\\textperthousand /g;
+     $result =~ s/&\#140;/{\\OE}/g;
+     $result =~ s/&\#147;/\`\`/g;
+     $result =~ s/&\#148;/\'\'/g;
+     $result =~ s/&\#149;/\$\\bullet\$/g;
+     $result =~ s/&\#150;/--/g;
+     $result =~ s/&\#151;/---/g;
+     $result =~ s/&\#152;/\$\\sim\$/g;
+     $result =~ s/&\#153;/\\texttrademark /g;
+     $result =~ s/&\#156;/\\oe/g;
+     $result =~ s/&\#159;/\\\"Y/g;
+     $result =~ s/&(\#160|nbsp);//g;
+     $result =~ s/&(\#161|iexcl);/!\`/g;
+     $result =~ s/&(\#162|cent);/\\textcent /g;
+     $result =~ s/&(\#163|pound);/\\pounds /g;
+     $result =~ s/&(\#164|curren);/\\textcurrency /g;
+     $result =~ s/&(\#165|yen);/\\textyen /g;
+     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
+     $result =~ s/&(\#167|sect);/\\textsection /g;
+     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
+     $result =~ s/&(\#169|copy);/\\copyright /g;
+     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
+     $result =~ s/&(\#172|not);/\$\\neg\$/g;
+     $result =~ s/&(\#173|shy);/ - /g;
+     $result =~ s/&(\#174|reg);/\\textregistered /g;
+     $result =~ s/&(\#175|macr);/\$^{-}\$/g;
+     $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
+     $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
+     $result =~ s/&(\#178|sup2);/\$^2\$/g;
+     $result =~ s/&(\#179|sup3);/\$^3\$/g;
+     $result =~ s/&(\#180|acute);/\\textacute /g;
+     $result =~ s/&(\#181|micro);/\$\\mu\$/g;
+     $result =~ s/&(\#182|para);/\\P/g;
+     $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
+     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
+     $result =~ s/&(\#185|sup1);/\$^1\$/g;
+     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
+     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
+     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
+     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
+     $result =~ s/&(\#191|iquest);/?\`/g;
+     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
+     $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
+     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
+     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
+     $result =~ s/&(\#196|Auml);/\\\"{A}/g;
+     $result =~ s/&(\#197|Aring);/{\\AA}/g;
+     $result =~ s/&(\#198|AElig);/{\\AE}/g;
+     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
+     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
+     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
+     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
+     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
+     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
+     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
+     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
+     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
+     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
+     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
+     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
+     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
+     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
+     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
+     $result =~ s/&(\#215|times);/\$\\times\$/g;
+     $result =~ s/&(\#216|Oslash);/{\\O}/g;
+     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
+     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
+     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
+     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
+     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
+     $result =~ s/&(\#223|szlig);/\\ss/g;
+     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
+     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
+     $result =~ s/&(\#226|acirc);/\\^{a}/g;
+     $result =~ s/&(\#227|atilde);/\\~{a}/g;
+     $result =~ s/&(\#228|auml);/\\\"{a}/g;
+     $result =~ s/&(\#229|aring);/{\\aa}/g;
+     $result =~ s/&(\#230|aelig);/{\\ae}/g;
+     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
+     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
+     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
+     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
+     $result =~ s/&(\#235|euml);/\\\"{e}/g;
+     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
+     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
+     $result =~ s/&(\#238|icirc);/\\^{i}/g;
+     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
+     $result =~ s/&(\#240|eth);/\$\\partial\$/g;
+     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
+     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
+     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
+     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
+     $result =~ s/&(\#245|otilde);/\\~{o}/g;
+     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
+     $result =~ s/&(\#247|divide);/\$\\div\$/g;
+     $result =~ s/&(\#248|oslash);/{\\o}/g;
+     $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
+     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
+     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
+     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
+     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
+     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
+     $result =~ s/&\#952;/\$\\theta\$/g;
+ #Greek Alphabet
+     $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
+     $result =~ s/&(beta|\#946);/\$\\beta \$/g;
+     $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
+     $result =~ s/&(delta|\#948);/\$\\delta \$/g;
+     $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
+     $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
+     $result =~ s/&(eta|\#951);/\$\\eta \$/g;
+     $result =~ s/&(theta|\#952);/\$\\theta \$/g;
+     $result =~ s/&(iota|\#953);/\$\\iota \$/g;
+     $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
+     $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
+     $result =~ s/&(mu|\#956);/\$\\mu \$/g;
+     $result =~ s/&(nu|\#957);/\$\\nu \$/g;
+     $result =~ s/&(xi|\#958);/\$\\xi \$/g;
+     $result =~ s/&(pi|\#960);/\$\\pi \$/g;
+     $result =~ s/&(rho|\#961);/\$\\rho \$/g;
+     $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
+     $result =~ s/&(tau|\#964);/\$\\tau \$/g;
+     $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
+     $result =~ s/&(phi|\#966);/\$\\phi \$/g;
+     $result =~ s/&(chi|\#967);/\$\\chi \$/g;
+     $result =~ s/&(psi|\#968);/\$\\psi \$/g;
+     $result =~ s/&(omega|\#969);/\$\\omega \$/g;
+     $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
+     $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
+     $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
+     $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
+     $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
+     $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
+     $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
+     $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
+     $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
+     $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
+     $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
+     return $result;
+ }
+     sub page_format {
+ 	my ($papersize,$layout,$numberofcolumns) = @_;
+ 	my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
+ 	if ($papersize=~/Letter/) {
+ 	    if ($layout eq 'CAPA') {
+ 		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 'CBI') {
+ 		if ($numberofcolumns eq '1') {
+ 		    $textwidth = '8.8 in';
+ 		    $textheight = '6.8 in';
+ 		    $oddoffset = '-40 pt';
+ 		    $evenoffset = '-60 pt';
+ 		} elsif ($numberofcolumns == 2) {
+ 		    $textwidth = '4.2 in';
+ 		    $textheight = '6.8 in';
+ 		    $oddoffset = '-40 pt';
+ 		    $evenoffset = '-60 pt';
+ 		}
+ 	    }
+ #    } elsif($papersize=~/Legal/) {
+ #    } elsif($papersize=~/Ledger/) {
+ #    } elsif($papersize=~/Executive/) {
+     } elsif($papersize=~/A4/) {
+ 	    if ($layout eq 'CAPA') {
+ 		if ($numberofcolumns == 1) {
+ 		    $textwidth = '18 cm';
+ 		    $textheight = '28 cm';
+ 		    $oddoffset = '-0.57 in';
+ 		    $evenoffset = '-0.57 in';
+ 		} elsif ($numberofcolumns == 2) {
+ 		    $textwidth = '96 mm';
+ 		    $textheight = '2 cm';
+ 		    $oddoffset = '-0.57 in';
+ 		    $evenoffset = '-0.57 in';
+ 		}
+ 	    } elsif ($layout eq 'CBI') {
+ 		if ($numberofcolumns eq '1') {
+ 		    $textwidth = '8.5 in';
+ 		    $textheight = '7.7 in';
+ 		    $oddoffset = '-40 pt';
+ 		    $evenoffset = '-60 pt';
+ 		} elsif ($numberofcolumns == 2) {
+ 		    $textwidth = '3.9 in';
+ 		    $textheight = '7.7 in';
+ 		    $oddoffset = '-40 pt';
+ 		    $evenoffset = '-60 pt';
+ 		}
  	    }
+ #    } elsif($papersize=~/A3/) {
+ #    } elsif($papersize=~/A2/) {
+ #    } elsif($papersize=~/A5/) {
+ #    } elsif($papersize=~/A6/) {
+ 	}
+ 	return $textwidth,$textheight,$oddoffset,$evenoffset;
+ }
+ sub page_format_new {
+ #
+ #Correspondence between $papersize variable and real paper format:
+ # 0 - "Letter [8 1/2x11 in]"
+ # 1 - "Legal [8 1/2x14 in]"
+ # 2 - "Ledger/Tabloid [11x17 in]"
+ # 3 - "Executive [7 1/2x10 in]"
+ # 4 - "A2 [420x594 mm]"
+ # 5 - "A3 [297x420 mm]"
+ # 6 - "A4 [210x297 mm]"
+ # 7 - "A5 [148x210 mm]"
+ # 8 - "A6 [105x148 mm]"
+ #
+     my ($papersize,$layout,$numberofcolumns) = @_;
+     my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
+     if ($papersize eq '0') {
+ 	if ($layout eq 'book') {
+ 	    if ($numberofcolumns == 1) {
+ 		$textwidth = '18 cm';
+ 		$textheight = '25.9 cm';
+ 		$oddoffset = '-0.57 in';
+ 		$evenoffset = '-0.57 in';
+ 	    } elsif ($numberofcolumns == 2) {
+ 		$textwidth = '93 mm';
+ 		$textheight = '25.9 cm';
+ 		$oddoffset = '-0.57 in';
+ 		$evenoffset = '-0.57 in';
+ 	    }
+ 	} elsif ($layout eq 'album') {
+ 	    if ($numberofcolumns eq '1') {
+ 		$textwidth = '8.8 in';
+ 		$textheight = '6.8 in';
+ 		$oddoffset = '-40 pt';
+ 		$evenoffset = '-60 pt';
+ 	    } elsif ($numberofcolumns == 2) {
+ 		$textwidth = '4.2 in';
+ 		$textheight = '6.8 in';
+ 		$oddoffset = '-40 pt';
+ 		$evenoffset = '-60 pt';
+ 	    }
+ 	}
+ #    } elsif($papersize eq '1') {
+ #    } elsif($papersize eq '2') {
+ #    } elsif($papersize eq '3'/) {
+     } elsif($papersize eq '6') {
+ 	if ($layout eq 'book') {
+ 	    if ($numberofcolumns == 1) {
+ 		$textwidth = '18 cm';
+ 		$textheight = '28 cm';
+ 		$oddoffset = '-0.57 in';
+ 		$evenoffset = '-0.57 in';
+ 	    } elsif ($numberofcolumns == 2) {
+ 		$textwidth = '96 mm';
+ 		$textheight = '2 cm';
+ 		$oddoffset = '-0.57 in';
+ 		$evenoffset = '-0.57 in';
+ 	    }
+ 	} elsif ($layout eq 'album') {
+ 	    if ($numberofcolumns eq '1') {
+ 		$textwidth = '8.5 in';
+ 		$textheight = '7.7 in';
+ 		$oddoffset = '-40 pt';
+ 		$evenoffset = '-60 pt';
+ 	    } elsif ($numberofcolumns == 2) {
+ 		$textwidth = '3.9 in';
+ 		$textheight = '7.7 in';
+ 		$oddoffset = '-40 pt';
+ 		$evenoffset = '-60 pt';
+ 	    }
+ 	}
+ #    } elsif($papersize eq '5') {
+ #    } elsif($papersize eq '4') {
+ #    } elsif($papersize eq '7') {
+ #    } elsif($papersize eq '8') {
+     }
+     return $textwidth,$textheight,$oddoffset,$evenoffset;
+ }
+ sub get_name {
+     my ($uname,$udom)=@_;
+     if (!defined($uname)) { $uname=$ENV{'user.name'}; }
+     if (!defined($udom)) { $uname=$ENV{'user.domain'}; }
+     my $plainname=&Apache::loncommon::plainname($uname,$udom);
+     if ($plainname=~/^\s*$/) { $plainname=$uname; }
+     return &Apache::lonxml::latex_special_symbols($plainname,undef,undef,
+ 						  'header');
+ }
+ sub page_format_transformation {
+     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;
+     my ($textwidth,$textheight,$oddoffset,$evenoffset);
+ 	$assignment=~s/_/ /g;
+         if ($numberofcolumns != 1) {
+           ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
+ 	} else {
+ 	  ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
+ 	}
+     my $name = &get_name();
+     if ($name =~ /^\s*$/) {
+ 	$name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef,
+ 						     undef,'header');
+     }
+     my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header');
+     if ($layout eq 'CBI') {
+ 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill  $courseidinfo} \\vskip 5 mm /;
+     } elsif ($layout eq 'CAPA') {
+ 	if ($choice ne 'All class print') {
+ 		$text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
+ 	} else {
+ 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
+ 	}
+     }
+     return $text;
+ }
+ sub page_format_transformation_new {
+     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;
+     my ($textwidth,$textheight,$oddoffset,$evenoffset);
+ 	$assignment=~s/_/ /g;
+         if ($numberofcolumns != 1) {
+           ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$layout,$numberofcolumns);
+ 	} else {
+ 	  ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
+ 	}
+     my $name = &get_name();
+     if ($name =~ /^\s*$/) {
+ 	$name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef,
+ 						     undef,'header');
+     }
+     my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header');
+     if ($layout eq 'album') {
+ 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill  $courseidinfo} \\vskip 5 mm /;
+     } elsif ($layout eq 'book') {
+ 	if ($choice ne 'All class print') {
+ 		$text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
+ 	} else {
+ 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
+ 	}
+     }
+     return $text;
+ }
+ sub page_cleanup {
+     my $result = shift;
+     $result =~ m/\\end{document}(\d*)$/;
+     my $number_of_columns = $1;
+     my $insert = '{';
+     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
+     $insert .= '}';
+     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
+     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
+     return $result,$number_of_columns;
+ }
+ sub details_for_menu {
+     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
+     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
+     my ($map,$id,$resource)=split(/___/,$symbolic);
+     $map=&Apache::lonnet::clutter($map);
+     my $name_of_sequence;
+     $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
+     if ($name_of_sequence =~ /^\s*$/) {
+ 	$map =~ m|([^/]+)$|;
+ 	$name_of_sequence = $1;
+     }
+     my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
+     if ($name_of_map =~ /^\s*$/) {
+ 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
+ 	$name_of_map = $1;
+     }
+     return ($name_of_resourse,$name_of_sequence,$name_of_map);
+ }
+ sub latex_corrections {
+     my ($number_of_columns,$result) = @_;
+     $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/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/;
+     $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;
+ #-- LaTeX corrections
+     my $first_comment = index($result,'<!--',0);
+     while ($first_comment != -1) {
+ 	my $end_comment = index($result,'-->',$first_comment);
+ 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
+ 	$first_comment = index($result,'<!--',$first_comment);
+     }
+     $result =~ s/^\s+$//gm; #remove empty lines
+     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
+     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
+     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
+     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
+ 	$result =~ s/\\\\\s+\[/ \[/g;
+     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
+     #conversion of html characters to LaTeX equivalents
+     if ($result =~ m/&(\w+|#\d+);/) {
+ 	$result = &character_chart($result);
+     }
+     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
+     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
+     return $result;
+ }
+ sub output_data_new {
+     my ($r,$helper) = @_;
+     $r->print(<<ENDPART);
+ <html>
+ <head>
+ <title>LON-CAPA output for printing</title>
+ </head>
+ <body bgcolor="FFFFFF">
+ <hr>
+ ENDPART
+     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
+     my ($result,$selectionmade) = ('','');
+     my $number_of_columns = 1; #used only for pages to determine the width of the cell
+     my @temporary_array=split /\|/,$format_from_helper;
+     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
+     if ($laystyle eq 'L') {
+ 	$laystyle='album';
+     } else {
+ 	$laystyle='book';
+     }
+     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$laystyle,$numberofcolumns);
+     my $assignment =  $ENV{'form.assignment'};
+     my $LaTeXwidth;
+     if ($textwidth=~/(\d+)\s*cm/) {
+ 	$LaTeXwidth = $1*10;
+     } elsif ($textwidth=~/(\d+)\s*mm/) {
+ 	$LaTeXwidth = $1;
+     } elsif ($textwidth=~/(\d+)\s*in/) {
+ 	$LaTeXwidth = $1*25.4;
+     }
+     $LaTeXwidth.=' mm';
+     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
+       #-- single document - problem, page, html, xml, ...
+ 	my $currentURL;
+ 	if ($helper->{'VARS'}->{'construction'} ne '1') {
+             #prins published resource
+ 	    $currentURL=$helper->{'VARS'}->{'postdata'};
+ 	} else {
+             #prins resource from the construction space
+ 	    $currentURL=$helper->{'VARS'}->{'filename'};
+ 	    $currentURL=~s/\/home\//\/~/;
+ 	    $currentURL=~s/public_html\///;
+ 	}
+ 	$selectionmade = 1;
+ 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
+ 	    my %moreenv;
+ 	    $moreenv{'form.grade_target'}='tex';
+ 	    $moreenv{'request.filename'}=$currentURL;
+ 	    $moreenv{'form.textwidth'}=$LaTeXwidth;
+ 	    &Apache::lonnet::appenv(%moreenv);
+ 	    my $texversion=&Apache::lonnet::ssi($currentURL);
+ 	    &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');
+ 	    if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 		$moreenv{'form.grade_target'}='answer';
+ 		$moreenv{'form.print_answer'}='yes';
+ 		&Apache::lonnet::appenv(%moreenv);
+ 		my $answer=&Apache::lonnet::ssi($currentURL);
+ 		&Apache::lonnet::delenv('form.grade_target','form.print_answer');
+ 		my $start=index($answer,'\vskip 0 mm',0);
+ 		my $finish=rindex $answer,'\vskip 0 mm' ;
+ 		if ($start!=-1 && $finish!=-1) {$answer=substr($answer,$start,$finish-$start+12);}
+ #		$r->print('<pre>'.$answer.'</pre>'); return OK;
+ 		$texversion=~s/(\\end{document})/$answer$1/;
+ 	    }
+ 	    $result .= $texversion;
+ 	    if ($currentURL=~m/\.page\s*$/) {
+ 		($result,$number_of_columns) = &page_cleanup($result);
+ 	    }
+ 	} else {
+ #	  $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
+ #	  if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
+ #	      $result.=$1;
+ #	  } else {
+ #	      $result.=$ENV{'form.url'};
+ #	  }
+ #	  $result.=' \end{document}'
+ 	}
+     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
+              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
+              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) {
+         #-- produce an output string
+ 	my $flag_latex_header_remove = 'NO';
+ 	my $flag_page_in_sequence = 'NO';
+ 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ 	for (my $i=0;$i<=$#master_seq;$i++) {
+ 	    $master_seq[$i]=~/___\d+___(.*)$/;
+ 	    my $urlp='/res/'.$1;
+ 	    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
+ 		$selectionmade = 2;
+ 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
+ 		$selectionmade = 3;
+ 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
+ 		$selectionmade = 4;
+ 	    }
+ 	    my %moreenv;
+ 	    $moreenv{'form.grade_target'}='tex';
+ 	    $moreenv{'form.textwidth'}=$LaTeXwidth;
+ 	    &Apache::lonnet::appenv(%moreenv);
+ 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
+ 	    my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$master_seq[$i]));
+ 	    &Apache::lonnet::delenv('form.grade_target','form.textwidth');
+ 	    if ($urlp=~/\.page$/) {
+ 		($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
+ 		if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
+ 		$texversion =~ s/\\end{document}\d*/\\end{document}/;
+ 		$flag_page_in_sequence = 'YES';
+ 	    }
+ 	    if ($flag_latex_header_remove ne 'NO') {
+ 		$texversion = &latex_header_footer_remove($texversion);
+ 	    } else {
+ 		$texversion =~ s/\\end{document}//;
+ 	    }
+ 	    $result .= $texversion;
+ 	    $flag_latex_header_remove = 'YES';
  	}
- 	$startlink = index($map_string,'"',$startlink);
+ 	&Apache::lonnet::delenv('form.counter');
- 	$endlink = index($map_string,'"',$startlink+1);
+ 	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
- 	$chunk = substr($map_string,$startlink,$endlink-$startlink+1);
+ 	$result .= '\end{document}';
- 	push @file_seq,$chunk;
+      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
+      #-- prints assignments for whole class or for selected students
+ 	 $selectionmade=5;
+ 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
+ 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ 	 #loop over students
+ 	 my $flag_latex_header_remove = 'NO';
+ 	 my %moreenv;
+ 	 $moreenv{'form.textwidth'}=$LaTeXwidth;
+ 	 &Apache::lonnet::appenv(%moreenv);
+ 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
+ 	 foreach my $person (@students) {
+ 	    my $current_output = '';
+ #	    my ($usersection,$username,$userdomain) = split /:/,$person;
+ 	    my ($username,$userdomain) = split /:/,$person;
+ 	    my $fullname = &get_name($username,$userdomain);
+             #goes through all resources, checks if they are available for current student, and produces output
+ 	    foreach my $curresline (@master_seq)  {
+ 		if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
+ 		    my ($map,$id,$res_url) = split(/___/,$curresline);
+ 		    if (&Apache::lonnet::allowed('bre',$res_url)) {
+ 			my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
+                                                                         $ENV{'request.course.id'},'tex');
+ 			if ($flag_latex_header_remove eq 'YES') {
+ 			    $rendered = &latex_header_footer_remove($rendered);
+ 			} else {
+ 			    $rendered =~ s/\\end{document}//;
+ 			}
+ 			$current_output .= $rendered;
+ 		    }
+ 		    $flag_latex_header_remove = 'YES';
+ 		}
+ 	    }
+ 	    my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ 	    if ($current_output=~/\\documentclass/) {
+ 		$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\vskip 3 mm /;
+ 	    } else {
+ 		my $blanspages = '';
+ 		for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
+ 		$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;
+ 	    }
+ 	    $result .= $current_output;
+ 	    &Apache::lonnet::delenv('form.counter');
+ 	    &Apache::lonxml::init_counter();
+ 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+ 						    'last student '.$fullname);
+ 	}
+ 	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ 	$result .= '\end{document}';
+ 	&Apache::lonnet::delenv('form.textwidth');
+     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
+     #prints selected problems from the subdirectory
+ 	$selectionmade = 6;
+         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
+ 	@list_of_files=sort @list_of_files;
+ 	my $flag_latex_header_remove = 'NO';
+ 	for (my $i=0;$i<=$#list_of_files;$i++) {
+ 	    my $urlp = $list_of_files[$i];
+ 	    if ($urlp=~/\//) {
+ 		my %moreenv;
+ 		$moreenv{'form.grade_target'}='tex';
+ 		$moreenv{'form.textwidth'}=$LaTeXwidth;
+ 		&Apache::lonnet::appenv(%moreenv);
+ 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
+ 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
+ 		} else {
+ 		    $urlp =~ s|^/home/httpd/html||;
+ 		}
+ 		my $texversion=&Apache::lonnet::ssi($urlp);
+ 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');
+                 #this chunck is responsible for printing the path to problem
+ 		my $newurlp = '';
+ 		my $HowMany = length($urlp)*2;
+ 		if ($HowMany > $LaTeXwidth) {
+ 		    my @temporrary = split '/',$urlp;
+ 		    my $HowManyNew = 0;
+ 		    for (my $ii=0;$ii<=$#temporrary;$ii++) {
+ 			if ($temporrary[$ii] ne '') {
+ 			    $HowManyNew += length($temporrary[$ii])*2;
+ 			    if ($HowManyNew < $LaTeXwidth ) {
+ 				$newurlp .=  '/'.$temporrary[$ii];
+ 			    } else {
+ 				$HowManyNew = 0;
+ 				$newurlp .=  '|\vskip -1 mm \noindent \verb|';
+ 				$ii--;
+ 			    }
+ 			}
+ 		    }
+ 		}
+ 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;
+ 		if ($flag_latex_header_remove ne 'NO') {
+ 		    $texversion = &latex_header_footer_remove($texversion);
+ 		} else {
+ 		    $texversion =~ s/\\end{document}//;
+ 		}
+ 		$result .= $texversion;
+ 	    }
+ 	    $flag_latex_header_remove = 'YES';
+ 	}
+ 	$result .= '\end{document}';
      }
-     return @file_seq;
+ #-------------------------------------------------------- corrections for the different page formats
+     $result = &page_format_transformation_new($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'});
+ #    if ($layout eq 'CBI') {
+ #        $laystyle = 'album';
+ #    }
+     $result = &latex_corrections($number_of_columns,$result);
+ #    #changes page's parameters for the one column output
+ #    if ($ENV{'form.numberofcolumns'} == 1) {
+ #	$result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
+ #	$result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;
+ #	$result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;
+ #	$result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;
+ #    }
+ #-- writing .tex file in prtspool
+     my $temp_file;
+     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
+     unless ($temp_file = Apache::File->new('>'.$filename)) {
+ 	$r->log_error("Couldn't open $filename for output $!");
+ 	return SERVER_ERROR;
+     }
+     print $temp_file $result;
+ #<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
+ $r->print(<<FINALEND);
+ <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
+ </body>
+ </html>
+ FINALEND
  }
- Line 310  sub content_map {
+ Line 1583  sub content_map {
  sub handler {
      my $r = shift;
+     my $helper;
+     # A hook for me to work without disturbing Alex.
+     if (!$ENV{'form.jeremy'}) {
+         my $result = printHelper($r);
+         if (!ref($result)) {
+             return $result;
+         }
+         $helper = $result;
+ 	my $key;
+ 	foreach $key (keys %{$helper->{'VARS'}}) {
+ 	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
+ 	}
+ #	return OK;
+ 	&output_data_new($r,$helper);
+     return OK;
+     }
+ #    my $loaderror=&Apache::lonnet::overloaderror($r);
+ #    if ($loaderror) { return $loaderror; }
+ #    $loaderror=
+ #       &Apache::lonnet::overloaderror($r,
+ #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
+ #    if ($loaderror) { return $loaderror; }
      $r->content_type('text/html');
      $r->send_http_header;
+     $r->print(&Apache::loncommon::bodytag("Printing"));
+     if ($ENV{'request.course.id'}) {
+ 	my $fn=$ENV{'request.course.fn'};
+ 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
+     }
  #-- start form
      &headerform($r);
- Line 319  sub handler {
+ Line 1633  sub handler {
      unless  ($ENV{'form.phase'}) {
  	&menu_for_output($r);
      }
+ #-- additional menu for class printing
+      if ($ENV{'form.phase'} eq 'two') {
+ 	 if($ENV{'form.choice'} eq 'Standard LaTeX output for whole primary sequence') {
+ 	     &sequence_content_menu(0,$r);
+ 	 } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') {
+ 	     &sequence_content_menu(1,$r);
+ 	 } elsif($ENV{'form.choice'} eq 'All class print') {
+ 	     &additional_class_menu($r);
+ 	 } elsif($ENV{'form.choice'} eq 'Subdirectory print') {
+ 	     &problem_choice_menu($r);
+ 	 } else {
+ 	     $ENV{'form.phase'} = 'three';
+ 	 }
+      }
+ #-- additional menu for page layout (one column case)
+     if ($ENV{'form.phase'} eq 'three') {
+ 	if($ENV{'form.numberofcolumns'} == 1) {
+ 	    &additional_print_menu($r);
+ 	} else {
+ 	    $ENV{'form.phase'} = 'four';
+ 	}
+     }
  #-- core part
-     if ($ENV{'form.phase'} eq 'two') {
+     if ($ENV{'form.phase'} eq 'four') {
  	&output_data($r);
+     }
+     untie %hash;
+     return OK;
+ }
+ use Apache::lonhelper;
+ sub printHelper {
+     my $r = shift;
+     if ($ENV{'request.course.id'}) {
+ 	my $fn=$ENV{'request.course.fn'};
+ 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
+     }
+     if ($r->header_only) {
+         if ($ENV{'browser.mathml'}) {
+             $r->content_type('text/xml');
+         } else {
+             $r->content_type('text/html');
+         }
+         $r->send_http_header;
+         return OK;
+     }
+     # Send header, nocache
+     if ($ENV{'browser.mathml'}) {
+         $r->content_type('text/xml');
+     } else {
+         $r->content_type('text/html');
+     }
+     &Apache::loncommon::no_cache($r);
+     $r->send_http_header;
+     $r->rflush();
+     # Unfortunately, this helper is so complicated we have to
+     # write it by hand
+     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
+     my $helper = Apache::lonhelper::helper->new("Printing Wizard");
+     $helper->declareVar('symb');
+     $helper->declareVar('postdata');
+     $helper->declareVar('filename');
+     $helper->declareVar('construction');
+     # This will persistently load in the data we want from the
+     # very first screen.
+     # Detect whether we're coming from construction space
+     if ($ENV{'form.postdata'} =~ /http:\/\// ) {
+         $ENV{'form.postdata'} =~ /http:\/\/[a-zA-Z.]+\/~([a-zA-Z0-9]+)\/(.*)/;
+         $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2";
+         $helper->{VARS}->{'construction'} = 1;
+     } else {
+         if ($ENV{'form.postdata'}) {
+             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
+         }
+         if ($ENV{'form.symb'}) {
+             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
+         }
+         if ($ENV{'form.url'}) {
+             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
+         }
+     }
+     if ($ENV{'form.symb'}) {
+         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
      }
+     if ($ENV{'form.url'}) {
+         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
+     }
+     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
+     $helper->{VARS}->{'assignment'} = $sequenceTitle;
+     # Extract map
+     my $symb = $helper->{VARS}->{'symb'};
+     my ($map, $id, $url);
+     my $subdir;
+     # Get the resource name from construction space
+     if ($helper->{VARS}->{'construction'}) {
+         $resourceTitle = substr($helper->{VARS}->{'filename'},
+                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
+         $subdir = substr($helper->{VARS}->{'filename'},
+, rindex($helper->{VARS}->{'filename'}, '/') + 1);
+     } else {
+         ($map, $id, $url) = split(/___/, $symb);
+         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
+         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
+             my $url = $helper->{VARS}->{'postdata'};
+             $resourceTitle = substr($url, rindex($url, '/') + 1);
+         }
+         $subdir = &Apache::lonnet::filelocation("", $url);
+     }
+     Apache::lonhelper::registerHelperTags();
+     # "Delete everything after the last slash."
+     $subdir =~ s|/[^/]+$||;
+     if (not $helper->{VARS}->{'construction'}) {
+ 	$subdir='/home/httpd/html/res/'.$subdir;
+     }
+     # What can be printed is a very dynamic decision based on
+     # lots of factors. So we need to dynamically build this list.
+     # To prevent security leaks, states are only added to the wizard
+     # if they can be reached, which ensures manipulating the form input
+     # won't allow anyone to reach states they shouldn't have permission
+     # to reach.
+     # printChoices is tracking the kind of printing the user can
+     # do, and will be used in a choices construction later.
+     # In the meantime we will be adding states and elements to
+     # the helper by hand.
+     my $printChoices = [];
+     my $paramHash;
+     if ($resourceTitle) {
+         push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE'];
+     }
+     $r->print($helper->{VARS}->{'postdata'});
+     # If we're in a sequence...
+     if ($helper->{'VARS'}->{'construction'} ne '1') {
+         # Allow problems from sequence
+         push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];
+         # Allow all resources from sequence
+         push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
+         my $isProblem = '$res->is_problem();';
+         my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
+         my $isNotMap = '!$res->is_map();';
+         my $symb = '$res->symb();';
+         my $helperFragment = <<HELPERFRAGMENT;
+   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
+     <message>(mark them then click "next" button) <br /></message>
+     <resource variable="RESOURCES" multichoice="1" toponly='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isProblem</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symb</valuefunc>
+       </resource>
+     </state>
+   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
+     <message>(mark them then click "next" button) <br /></message>
+     <resource variable="RESOURCES" multichoice="1" toponly='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isNotMap;</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symb</valuefunc>
+       </resource>
+     </state>
+ HELPERFRAGMENT
+         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
+     }
+     # If the user is priviledged, allow them to print all
+     # problems in the course, optionally for selected students
+     if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
+         push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS'];
+         push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];
+         my $isProblem = '$res->is_problem();';
+         my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
+         my $symb = '$res->symb();';
+         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
+   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
+     <message>(mark them then click "next" button) <br /></message>
+     <resource variable="RESOURCES" multichoice="1">
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isProblemOrMap</filterfunc>
+       <choicefunc>return $isProblem</choicefunc>
+       <valuefunc>return $symb</valuefunc>
+       </resource>
+     </state>
+   <state name="CHOOSE_STUDENTS" title="Choose Students whose assignments you want to print">
+     <message>(do not forget to select assignment itself - make another selection below) <br /></message>
+     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
+     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
+     <resource variable="RESOURCES" multichoice="1">
+       <filterfunc>return $isProblem</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symb</valuefunc>
+       </resource>
+     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
+     <choices variable="EMPTY_PAGES">
+       <choice computer='0'>Print students assignments without separations (as uniform flow)</choice>
+       <choice computer='1'>Start student assignment from new page (add pagefeed after each student)</choice>
+       <choice computer='2'>Add one emty page after each student assignment</choice>
+       <choice computer='3'>Add two emty page after each student assignment</choice>
+       </choices>
+     </state>
+ CHOOSE_STUDENTS
+     }
+     # FIXME: That RE should come from a library somewhere.
+     if (((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) {
+         push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
+         my $f = '$filename';
+         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
+   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
+     <message>(mark them then click "next" button) <br /></message>
+     <files variable="FILES" multichoice='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filechoice>return '$subdir';</filechoice>
+ CHOOSE_FROM_SUBDIR
+         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
+       <filefilter>return $filename =~
+            m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/;
+       </filefilter>
+       </files>
+     </state>
+ CHOOSE_FROM_SUBDIR
+         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
+     }
+     # Generate the first state, to select which resources get printed.
+     Apache::lonhelper::state->new("START", "What do you want to print? Make a choice.");
+     $paramHash = Apache::lonhelper::getParamHash();
+     $paramHash->{MESSAGE_TEXT} = "";
+     Apache::lonhelper::message->new();
+     $paramHash = Apache::lonhelper::getParamHash();
+     $paramHash->{'variable'} = 'PRINT_TYPE';
+     $helper->declareVar('PRINT_TYPE');
+     $paramHash->{CHOICES} = $printChoices;
+     Apache::lonhelper::choices->new();
+     if ($ENV{'request.role.adv'}) {
+         $paramHash = Apache::lonhelper::getParamHash();
+         $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Next option is available only for advanced users:</i></b></big><br />";
+         Apache::lonhelper::message->new();
+         $paramHash = Apache::lonhelper::getParamHash();
+ 	$paramHash->{'variable'} = 'ANSWER_TYPE';
+ 	$helper->declareVar('ANSWER_TYPE');
+         $paramHash->{CHOICES} = [
+                                    ['Print without answer', 'yes'],
+                                    ['Print with answers', 'no'] ];
+         Apache::lonhelper::choices->new();
+     }
+     Apache::lonprintout::page_format_state->new("FORMAT");
+     # Generate the PAGESIZE state which will offer the user the margin
+     # choices if they select one column
+     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
+     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
+     $helper->process();
+     # MANUAL BAILOUT CONDITION:
+     # If we're in the "final" state, bailout and return to handler
+     if ($helper->{STATE} eq 'FINAL') {
+         return $helper;
+     }
+     $r->print($helper->display());
+     Apache::lonhelper::unregisterHelperTags();
+     untie %hash;
      return OK;
+ }
- }
 ;
- __END__
+ package Apache::lonprintout::page_format_state;
+ =pod
+ =head1 Helper element: page_format_state
+ See lonhelper.pm documentation for discussion of the helper framework.
+ Apache::lonprintout::page_format_state is an element that gives the
+ user an opportunity to select the page layout they wish to print
+ with: Number of columns, portrait/landscape, and paper size. If you
+ want to change the paper size choices, change the @paperSize array
+ contents in this package.
+ page_format_state is always directly invoked in lonprintout.pm, so there
+ is no tag interface. You actually pass parameters to the constructor.
+ =over 4
+ =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
+ =back
+ =cut
+ use Apache::lonhelper;
+ no strict;
+ @ISA = ("Apache::lonhelper::element");
+ use strict;
+ my $maxColumns = 2;
+ my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
+                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
+                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
+                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
+ # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
+ #                   Paper type
+ sub new {
+     my $self = Apache::lonhelper::element->new();
+     shift;
+     $self->{'variable'} = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     $helper->declareVar($self->{'variable'});
+     bless($self);
+     return $self;
+ }
+ sub render {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $result = '';
+     my $var = $self->{'variable'};
+     $result .= <<STATEHTML;
+ <p><big><i><b>What page format do you prefer?</b></i></big></p>
+ <table cellpadding="3">
+   <tr>
+     <td align="center"><b>Page layout</b></td>
+     <td align="center"><b>Number of columns</b></td>
+     <td align="center"><b>Paper type</b></td>
+   </tr>
+   <tr>
+     <td>
+       <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
+       <input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait
+     </td>
+     <td align="center">
+       <select name="${var}.cols">
+ STATEHTML
+     my $i;
+     for ($i = 1; $i <= $maxColumns; $i++) {
+         if ($i == 2) {
+             $result .= "<option value='$i' selected>$i</option>\n";
+         } else {
+             $result .= "<option value='$i'>$i</option>\n";
+         }
+     }
+     $result .= "</select></td><td>\n";
+     $result .= "<select name='${var}.paper'>\n";
+     $i = 0;
+     foreach (@paperSize) {
+         if ($i == 0) {
+             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
+         } else {
+             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
+         }
+         $i++;
+     }
+     $result .= "</select></td></tr></table>";
+     return $result;
+ }
+ sub postprocess {
+     my $self = shift;
+     my $var = $self->{'variable'};
+     my $helper = Apache::lonhelper->getHelper();
+     $helper->{VARS}->{$var} =
+         $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
+         $ENV{"form.$var.paper"};
+     return 1;
+ }
+;
+ package Apache::lonprintout::page_size_state;
+ =pod
+ =head1 Helper element: page_size_state
+ See lonhelper.pm documentation for discussion of the helper framework.
+ Apache::lonprintout::page_size_state is an element that gives the
+ user the opportunity to further refine the page settings if they
+ select a single-column page.
+ page_size_state is always directly invoked in lonprintout.pm, so there
+ is no tag interface. You actually pass parameters to the constructor.
+ =over 4
+ =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
+ =back
+ =cut
+ use Apache::lonhelper;
+ no strict;
+ @ISA = ("Apache::lonhelper::element");
+ use strict;
+ sub new {
+     my $self = Apache::lonhelper::element->new();
+     shift; # disturbs me (probably prevents subclassing) but works (drops
+            # package descriptor)... - Jeremy
+     $self->{'variable'} = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     $helper->declareVar($self->{'variable'});
+     # The variable name of the format element, so we can look into
+     # $helper->{VARS} to figure out whether the columns are one or two
+     $self->{'formatvar'} = shift;
+     # The state to transition to after selection, or after discovering
+     # the cols are not set to 1
+     $self->{NEXTSTATE} = shift;
+     bless($self);
+     return $self;
+ }
+ sub render {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $result = '';
+     my $var = $self->{'variable'};
+     if (defined $self->{ERROR_MSG}) {
+         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
+     }
+     $result .= <<ELEMENTHTML;
+ <p>How should the column be formatted?</p>
+ <table cellpadding='3'>
+   <tr>
+     <td align='right'><b>Width</b>:</td>
+     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
+     <td align='left'>
+       <select name='$var.widthunit'>
+         <option>cm</option><option>in</option>
+       </select>
+     </td>
+   </tr>
+   <tr>
+     <td align='right'><b>Height</b>:</td>
+     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
+     <td align='left'>
+       <select name='$var.heightunit'>
+         <option>cm</option><option>in</option>
+       </select>
+     </td>
+   </tr>
+   <tr>
+     <td align='right'><b>Left margin</b>:</td>
+     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
+     <td align='left'>
+       <select name='$var.heightunit'>
+         <option>cm</option><option>in</option>
+       </select>
+     </td>
+   </tr>
+ </table>
+ <p>Hint: Some instructors like to leave scratch space for the student by
+ making the width much smaller then the width of the page.</p>
+ ELEMENTHTML
+     return $result;
+ }
+ # If the user didn't select 1 column, skip this state.
+ sub preprocess {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $format = $helper->{VARS}->{$self->{'formatvar'}};
+     if (substr($format, 2, 1) ne '1') {
+         $helper->changeState($self->{NEXTSTATE});
+     }
+     return 1;
+ }
+ sub postprocess {
+     my $self = shift;
+     my $var = $self->{'variable'};
+     my $helper = Apache::lonhelper->getHelper();
+     my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"};
+     my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"};
+     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"};
+     $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"};
+     $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"};
+     $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"};
+     my $error = '';
+     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
+     # by an optional period, followed by digits, ending the string
+     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
+         $error .= "Invalid width; please type only a number.<br />\n";
+     }
+     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
+         $error .= "Invalid height; please type only a number.<br />\n";
+     }
+     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
+         $error .= "Invalid left margin; please type only a number.<br />\n";
+     }
+     if (!$error) {
+         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
+         return 1;
+     } else {
+         $self->{ERROR_MSG} = $error;
+         return 0;
+     }
+ }
+ __END__
- #### Test block
- #    my $ere;
- #    foreach $ere (%ENV) {
- #	$result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
- #    }
- ####

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	Added in v.1.164