loncom/interface/lonprintout.pm - diff

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Diff for /loncom/interface/lonprintout.pm between versions 1.52 and 1.494

-version 1.52, 2002/08/30 20:41:09
+version 1.494, 2007/01/08 19:07:58
  Line 1
+ #
  # The LearningOnline Network
  # Printout
  #
- Line 22
+ Line 23
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  #
  # /home/httpd/html/adm/gpl.txt
- #
  # http://www.lon-capa.org/
  #
- # (Internal Server Error Handler
- #
- # (Login Screen
- # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
- # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
- #
- # 3/1/1 Gerd Kortemeyer)
- #
- # 3/1 Gerd Kortemeyer
- #
- # 9/17 Alex Sakharuk
  #
  package Apache::lonprintout;
- Line 43  use strict;
+ Line 32  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 LONCAPA::map();
  use POSIX qw(strftime);
- use Apache::loncoursedata;
+ use Apache::lonlocal;
+ use Carp;
+ use LONCAPA;
+ my %perm;
+ my %parmhash;
+ my $resources_printed;
+ #
+ #   printf_style_subst  item format_string repl
+ #
+ # Does printf style substitution for a format string that
+ # can have %[n]item in it.. wherever, %[n]item occurs,
+ # rep is substituted in format_string.  Note that
+ # [n] is an optional integer length.  If provided,
+ # repl is truncated to at most [n] characters prior to
+ # substitution.
+ #
+ sub printf_style_subst {
+     my ($item, $format_string, $repl) = @_;
+     my $result = "";
+     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
+ 	my $fmt = $1;
+ 	my $size = $2;
+ 	my $subst = $repl;
+ 	if ($size ne "") {
+ 	    $subst = substr($subst, 0, $size);
+ 	    #  Here's a nice edge case.. supose the end of the
+ 	    #  substring is a \.  In that case may have  just
+ 	    #  chopped off a TeX escape... in that case, we append
+ 	    #   " " for the trailing character, and let the field
+ 	    #  spill over a bit (sigh).
+ 	    #  We don't just chop off the last character in order to deal
+ 	    #  with one last pathology, and that would be if substr had
+ 	    #  trimmed us to e.g. \\\
- sub headerform {
-     my $r = shift;
+ 	    if ($subst =~ /\\$/) {
-     $r->print(<<ENDHEADER);
+ 		$subst .= " ";
- <html>
+ 	    }
- <head>
+ 	}
- <title>LON-CAPA output for printing</title>
+ 	my $item_pos = pos($format_string);
- </head>
+ 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
- <body bgcolor="FFFFFF">
+         $format_string = substr($format_string, pos($format_string));
- <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
+     }
- <tt>$ENV{'form.postdata'}</tt><p>
- <h1>What do you want to print? Make a choice.</h1><br />
+     # Put the residual format string into the result:
- ENDHEADER
+     $result .= $format_string;
+     return $result;
  }
- sub menu_for_output {
+ # Format a header according to a format.
-     my $r = shift;
+ #
-     $r->print(<<ENDMENUOUT1);
- <input type="hidden" name="phase" value="two">
+ # Substitutions:
- <input type="hidden" name="url" value="$ENV{'form.postdata'}">
+ #     %a    - Assignment name.
- <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document
+ #     %c    - Course name.
- (you will print what you see on the screen)<br />
+ #     %n    - Student name.
- ENDMENUOUT1
+ #
-     if ((not $ENV{'request.role'}=~m/^au\./) and (not $ENV{'request.role'}=~m/^ca\./)) {
+ sub format_page_header {
- 	$r->print(<<ENDMENUOUT2);
+     my ($width, $format, $assignment, $course, $student) = @_;
- <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  All problems from the primary sequence<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 />
+     $width = &recalcto_mm($width); # Get width in mm.
- <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems from the top level sequence<br />
+     #  Default format?
- <br />
- ENDMENUOUT2
+     if ($format eq '') {
+ 	# For the default format, we may need to truncate
+ 	# elements..  To do this we need to get the page width.
+ 	# we assume that each character is about 2mm in width.
+ 	# (correct for the header text size??).  We ignore
+ 	# any formatting (e.g. boldfacing in this).
+ 	#
+ 	# - Allow the student/course to be one line.
+ 	#   but only truncate the course.
+ 	# - Allow the assignment to be 2 lines (wrapped).
+ 	#
+ 	my $chars_per_line = $width/2; # Character/textline.
+ 	my $firstline = "$student $course";
+ 	if (length($firstline) > $chars_per_line) {
+ 	    my $lastchar = $chars_per_line - length($student) - 1;
+ 	    if ($lastchar > 0) {
+ 		$course = substr($course, 0, $lastchar);
+ 	    } else {		# Nothing left of course:
+ 		$course = '';
+ 	    }
+ 	}
+ 	if (length($assignment) > $chars_per_line) {
+ 	    $assignment = substr($assignment, 0, $chars_per_line);
+ 	}
+ 	$format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
+     } else {
+ 	# An open question is how to handle long user formatted page headers...
+ 	# A possible future is to support e.g. %na so that the user can control
+ 	# the truncation of the elements that can appear in the header.
+ 	#
+ 	$format =  &printf_style_subst("a", $format, $assignment);
+ 	$format =  &printf_style_subst("c", $format, $course);
+ 	$format =  &printf_style_subst("n", $format, $student);
+ 	# If the user put %'s in the format string, they  must be escaped
+ 	# to \% else LaTeX will think they are comments and terminate
+ 	# the line.. which is bad!!!
      }
-     if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) {
- 	$r->print(<<ENDMENUOUT6);
-   <input type="radio" name="choice" value="All class print">  Print assignment for students in class<br />
+     return $format;
- ENDMENUOUT6
-     }
-       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
-       $subdirtoprint =~ s/\/[^\/]+$//;
-       if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {
- 	  $r->print(<<ENDMENUOUT4);
-   <input type="radio" name="choice" value="Subdirectory print">  All problems from current subdirectory (where this particular problem is)<br />
- ENDMENUOUT4
-       }
-     $r->print(<<ENDMENUOUT5);
- <br /><hr /><br />
- <h1>And what page format do you prefer?</h1>
- <table>
-  <tr>
-    <td>
-      <input type="radio" name="layout" value="CBI"> Landscape <br />
-      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />
-    </td>
-    <td>&nbsp;</td>
-    <td rawspan="2">
-      Number of columns: <select name="numberofcolumns">
-                          <option selected> 1 </option>
-                          <option> 2 </option>
-                          <option> 3 </option>
-                          <option> 4 </option>
-                          <option> 5 </option>
-                          <option> 6 </option>
-                          <option> 7 </option>
-                          <option> 8 </option>
-                          <option> 9 </option>
-                         </select>
-    </td>
-  </tr>
- </table>
- </br>
- <input type="submit" value="Submit your choice">
- ENDMENUOUT5
  }
+ #
+ #   Convert a numeric code to letters
+ #
+ sub num_to_letters {
+     my ($num) = @_;
+     my @nums= split('',$num);
+     my @num_to_let=('A'..'Z');
+     my $word;
+     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
+     return $word;
+ }
+ #   Convert a letter code to numeric.
+ #
+ sub letters_to_num {
+     my ($letters) = @_;
+     my @letters = split('', uc($letters));
+    my %substitution;
+     my $digit = 0;
+     foreach my $letter ('A'..'J') {
+ 	$substitution{$letter} = $digit;
+ 	$digit++;
+     }
+     #  The substitution is done as below to preserve leading
+     #  zeroes which are needed to keep the code size exact
+     #
+     my $result ="";
+     foreach my $letter (@letters) {
+ 	$result.=$substitution{$letter};
+     }
+     return $result;
+ }
- sub additional_class_menu {
+ #  Determine if a code is a valid numeric code.  Valid
-     my $r = shift;
+ #  numeric codes must be comprised entirely of digits and
-     $r->print(<<ENDMENUOUT1);
+ #  have a correct number of digits.
- <input type="hidden" name="url" value="$ENV{'form.url'}">
+ #
- <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+ #  Parameters:
- <input type="hidden" name="layout" value="$ENV{'form.layout'}">
+ #     value      - proposed code value.
- <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+ #     num_digits - Number of digits required.
- <h1>Mark students which assignments you want to print</h1>
+ #
- ENDMENUOUT1
+ sub is_valid_numeric_code {
-     my $c = $r->connection;
+     my ($value, $num_digits) = @_;
-     my %cache;
+     #   Remove leading/trailing whitespace;
-     my $courseID=$ENV{'request.course.id'};
+     $value =~ s/^\s*//g;
-     my $classlist=&Apache::loncoursedata::DownloadClasslist($courseID,
+     $value =~ s/\s*$//g;
-                                                 $cache{'ClasslistTimestamp'},
-                                                 $c);
+     #  All digits?
-     foreach (keys(%$classlist)) {
+     if ($value !~ /^[0-9]+$/) {
-         if(/^(con_lost|error|no_such_host)/i) {
+ 	return "Numeric code $value has invalid characters - must only be digits";
-             untie(%cache);
+     }
-             return "Error getting student data.";
+     if (length($value) != $num_digits) {
-         }
+ 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
+     }
+     return undef;
+ }
+ #   Determines if a code is a valid alhpa code.  Alpha codes
+ #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
+ #   They also have a correct digit count.
+ # Parameters:
+ #     value          - Proposed code value.
+ #     num_letters    - correct number of letters.
+ # Note:
+ #    leading and trailing whitespace are ignored.
+ #
+ sub is_valid_alpha_code {
+     my ($value, $num_letters) = @_;
+      # strip leading and trailing spaces.
+     $value =~ s/^\s*//g;
+     $value =~ s/\s*$//g;
+     #  All alphas in the right range?
+     if ($value !~ /^[A-J,a-j]+$/) {
+ 	return "Invalid letter code $value must only contain A-J";
      }
-     my $classlistaa = '';
+     if (length($value) != $num_letters) {
-     foreach my $st (keys(%$classlist)) {
+ 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
- 	$classlistaa .= ' SSS '.$st.' => '.$$classlist{$st}.' FFF '."\r\n";
+     }
+     return undef;
+ }
+ #   Determine if a code entered by the user in a helper is valid.
+ #   valid depends on the code type and the type of code selected.
+ #   The type of code selected can either be numeric or
+ #   Alphabetic.  If alphabetic, the code, in fact is a simple
+ #   substitution cipher for the actual numeric code: 0->A, 1->B ...
+ #   We'll be nice and be case insensitive for alpha codes.
+ # Parameters:
+ #    code_value    - the value of the code the user typed in.
+ #    code_option   - The code type selected from the set in the scantron format
+ #                    table.
+ # Returns:
+ #    undef         - The code is valid.
+ #    other         - An error message indicating what's wrong.
+ #
+ sub is_code_valid {
+     my ($code_value, $code_option) = @_;
+     my ($code_type, $code_length) = ('letter', 6);	# defaults.
+     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+     foreach my $line (<FG>) {
+ 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
+ 	if($name eq $code_option) {
+ 	    $code_length = $length;
+ 	    if($type eq 'number') {
+ 		$code_type = 'number';
+ 	    }
+ 	}
+     }
+     my $valid;
+     if ($code_type eq 'number') {
+ 	return &is_valid_numeric_code($code_value, $code_length);
+     } else {
+ 	return &is_valid_alpha_code($code_value, $code_length);
      }
-     $r->print(<<ENDMENUOUT2);
-     $classlistaa <br />
- <input type="hidden" name="phase" value="three">
- <input type="submit" value="Submit">
- ENDMENUOUT2
  }
+ #   Compare two students by name.  The students are in the form
+ #   returned by the helper:
+ #      user:domain:section:last,   first:status
+ #   This is a helper function for the perl sort built-in  therefore:
+ # Implicit Inputs:
+ #    $a     - The first element to compare (global)
+ #    $b     - The second element to compare (global)
+ # Returns:
+ #   -1   - $a < $b
+ #    0   - $a == $b
+ #   +1   - $a > $b
+ #   Note that the initial comparison is done on the last names with the
+ #   first names only used to break the tie.
+ #
+ #
+ sub compare_names {
+     #  First split the names up into the primary fields.
+     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
+     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
- sub additional_print_menu {
+     # Now split the last name and first name of each n:
-     my $r = shift;
+     #
-     $r->print(<<ENDMENUOUT);
- <input type="hidden" name="url" value="$ENV{'form.url'}">
+     my ($l1,$f1) = split(/,/, $n1);
- <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+     my ($l2,$f2) = split(/,/, $n2);
- <input type="hidden" name="layout" value="$ENV{'form.layout'}">
- <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+     # We don't bother to remove the leading/trailing whitespace from the
- Enter width of the page: <input type="text" name="width" width="10" value="9cm"> <br />
+     # firstname, unless the last names compare identical.
- <input type="hidden" name="phase" value="four">
- <input type="submit" value="Submit">
+     if($l1 lt $l2) {
- </form>
+ 	return -1;
- </body>
+     }
- </html>
+     if($l1 gt $l2) {
- ENDMENUOUT
+ 	return  1;
+     }
+     # Break the tie on the first name, but there are leading (possibly trailing
+     # whitespaces to get rid of first
+     #
+     $f1 =~ s/^\s+//;		# Remove leading...
+     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
+     $f2 =~ s/^\s+//;
+     $f2 =~ s/\s+$//;		# And the same for first 2...
+     if($f1 lt $f2) {
+ 	return -1;
+     }
+     if($f1 gt $f2) {
+ 	return 1;
+     }
+     #  Must be the same name.
+     return 0;
  }
+ sub latex_header_footer_remove {
+     my $text = shift;
+     $text =~ s/\\end{document}//;
+     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
+     return $text;
+ }
+ #
+ #  If necessary, encapsulate text inside
+ #  a minipage env.
+ #  necessity is determined by the problem_split param.
+ #
+ sub encapsulate_minipage {
+     my ($text) = @_;
+     if (!($env{'form.problem.split'} =~ /yes/i)) {
+ 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
+     }
+     return $text;
+ }
+ #
+ #  The NUMBER_TO_PRINT and SPLIT_PDFS
+ #  variables interact, this sub looks at these two parameters
+ #  and comes up with a final value for NUMBER_TO_PRINT which can be:
+ #     all     - if SPLIT_PDFS eq 'all'.
+ #     1       - if SPLIT_PDFS eq 'oneper'
+ #     section - if SPLIT_PDFS eq 'sections'
+ #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
+ #
+ sub adjust_number_to_print {
+     my $helper = shift;
- sub output_data {
+     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
-     my $r = shift;
-     $r->print(<<ENDPART);
+     if ($split_pdf eq 'all') {
- <html>
+ 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
- <head>
+     } elsif ($split_pdf eq 'oneper') {
- <title>LON-CAPA output for printing</title>
+ 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
- </head>
+     } elsif ($split_pdf eq 'sections') {
- <body bgcolor="FFFFFF">
+ 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
- <hr>
+     } elsif ($split_pdf eq 'usenumber') {
- ENDPART
+ 	#  Unmodified.
+     } else {
+ 	# Error!!!!
-     my $choice = $ENV{'form.choice'};
+ 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
-     my $layout = $ENV{'form.layout'};
+     }
-     my $numberofcolumns = $ENV{'form.numberofcolumns'};
+ }
-     my $laystyle = 'book';
-     my $result = '';
+ sub character_chart {
-     my $number_of_columns = 1;
+     my $result = shift;
+     $result =~ s/&\#0?0?(7|9);//g;
-     if ($choice eq 'Standard LaTeX output for current document') {
+     $result =~ s/&\#0?(10|13);//g;
-       #-- single document - problem, page, html, xml
+     $result =~ s/&\#0?32;/ /g;
-       my %moreenv;
+     $result =~ s/&\#0?33;/!/g;
-       $moreenv{'form.grade_target'}='tex';
+     $result =~ s/&(\#0?34|quot);/\"/g;
-       if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
+     $result =~ s/&\#0?35;/\\\#/g;
- 	  $ENV{'form.url'}=~s/http:\/\/[^\/]+//;
+     $result =~ s/&\#0?36;/\\\$/g;
-       }
+     $result =~ s/&\#0?37;/\\%/g;
-       $moreenv{'request.filename'}=$ENV{'form.url'};
+     $result =~ s/&(\#0?38|amp);/\\&/g;
-       &Apache::lonnet::appenv(%moreenv);
+     $result =~ s/&\#(0?39|146);/\'/g;
-       my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
+     $result =~ s/&\#0?40;/(/g;
-       &Apache::lonnet::delenv('form.grade_target');
+     $result =~ s/&\#0?41;/)/g;
-       $result .= $texversion;
+     $result =~ s/&\#0?42;/\*/g;
-       $result = &additional_cleanup($result);
+     $result =~ s/&\#0?43;/\+/g;
-       if ($ENV{'form.url'}=~m/\.page\s*$/) {
+     $result =~ s/&\#(0?44|130);/,/g;
- 	  ($result,$number_of_columns) = &page_cleanup($result);
+     $result =~ s/&\#0?45;/-/g;
-       }
+     $result =~ s/&\#0?46;/\./g;
-     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or
+     $result =~ s/&\#0?47;/\//g;
-              $choice eq 'Standard LaTeX output for whole primary sequence') {
+     $result =~ s/&\#0?48;/0/g;
-       #-- minimal sequence to which the current document belongs
+     $result =~ s/&\#0?49;/1/g;
-         #-- where is the primary sequence containing file?
+     $result =~ s/&\#0?50;/2/g;
- 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
+     $result =~ s/&\#0?51;/3/g;
- 	$_ = $symbolic;
+     $result =~ s/&\#0?52;/4/g;
- 	m/([^_]+)_/;
+     $result =~ s/&\#0?53;/5/g;
- 	my $primary_sequence = '/res/'.$1;
+     $result =~ s/&\#0?54;/6/g;
-         #-- open and analyses the primary sequence
+     $result =~ s/&\#0?55;/7/g;
- 	my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
+     $result =~ s/&\#0?56;/8/g;
- 	my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
+     $result =~ s/&\#0?57;/9/g;
- 	my @master_seq = &content_map($sequencefilecontents);
+     $result =~ s/&\#0?58;/:/g;
-         #-- produce an output string
+     $result =~ s/&\#0?59;/;/g;
- 	for (my $i=0;$i<=$#master_seq;$i++) {
+     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
- 	    $_ = $master_seq[$i];
+     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
- 	    m/\"(.*)\"/;
+     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
-             $_ = $1;
+     $result =~ s/&\#0?63;/\?/g;
-             my $urlp = $1;
+     $result =~ s/&\#0?65;/A/g;
- 	    if ($choice eq 'Standard LaTeX output for the primary sequence') {
+     $result =~ s/&\#0?66;/B/g;
- 		if ($urlp =~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
+     $result =~ s/&\#0?67;/C/g;
- 		    my %moreenv;
+     $result =~ s/&\#0?68;/D/g;
- 		    $moreenv{'form.grade_target'}='tex';
+     $result =~ s/&\#0?69;/E/g;
- 		    &Apache::lonnet::appenv(%moreenv);
+     $result =~ s/&\#0?70;/F/g;
- 		    my $texversion=&Apache::lonnet::ssi($urlp);
+     $result =~ s/&\#0?71;/G/g;
- 		    &Apache::lonnet::delenv('form.grade_target');
+     $result =~ s/&\#0?72;/H/g;
- 		    $result .= $texversion;
+     $result =~ s/&\#0?73;/I/g;
- 		}
+     $result =~ s/&\#0?74;/J/g;
- 	    } else {
+     $result =~ s/&\#0?75;/K/g;
- 		my %moreenv;
+     $result =~ s/&\#0?76;/L/g;
- 		$moreenv{'form.grade_target'}='tex';
+     $result =~ s/&\#0?77;/M/g;
- 		&Apache::lonnet::appenv(%moreenv);
+     $result =~ s/&\#0?78;/N/g;
- 		my $texversion=&Apache::lonnet::ssi($urlp);
+     $result =~ s/&\#0?79;/O/g;
- 		&Apache::lonnet::delenv('form.grade_target');
+     $result =~ s/&\#0?80;/P/g;
- 		$result .= $texversion;
+     $result =~ s/&\#0?81;/Q/g;
- 	    }
+     $result =~ s/&\#0?82;/R/g;
- 	}
+     $result =~ s/&\#0?83;/S/g;
- 	$result = &additional_cleanup($result);
+     $result =~ s/&\#0?84;/T/g;
-     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
+     $result =~ s/&\#0?85;/U/g;
-         # where is the main sequence of the course?
+     $result =~ s/&\#0?86;/V/g;
- 	my $main_seq = '/res/'.$ENV{'request.course.uri'};
+     $result =~ s/&\#0?87;/W/g;
- 	my $file=&Apache::lonnet::filelocation("",$main_seq);
+     $result =~ s/&\#0?88;/X/g;
- 	my $filecontents=&Apache::lonnet::getfile($file);
+     $result =~ s/&\#0?89;/Y/g;
- 	my @file_seq = &content_map($filecontents);
+     $result =~ s/&\#0?90;/Z/g;
- 	for (my $iu=0;$iu<=$#file_seq;$iu++) {
+     $result =~ s/&\#0?91;/[/g;
- 	    $file_seq[$iu]=~s/^"//;
+     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
- 	    $file_seq[$iu]=~s/"$//;
+     $result =~ s/&\#0?93;/]/g;
- 	    if ($file_seq[$iu]=~m/\S+/) {
+     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
- 		$file_seq[$iu]=&Apache::lonnet::filelocation("",$file_seq[$iu]);
+     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
- 	    } else {
+     $result =~ s/&\#(0?96|145);/\`/g;
- 		$file_seq[$iu]= 'REMOVE IT PLEASE';
+     $result =~ s/&\#0?97;/a/g;
- 	    }
+     $result =~ s/&\#0?98;/b/g;
- 	}
+     $result =~ s/&\#0?99;/c/g;
- 	my $i=0;
+     $result =~ s/&\#100;/d/g;
-         my $limit = $#file_seq;
+     $result =~ s/&\#101;/e/g;
-         while ($i<=$limit) {
+     $result =~ s/&\#102;/f/g;
- 	    unless ($file_seq[$i]=~m/\.(problem|page)/) {
+     $result =~ s/&\#103;/g/g;
- 		if ($file_seq[$i]=~m/\.sequence/) {
+     $result =~ s/&\#104;/h/g;
- 		    my $filecontents=&Apache::lonnet::getfile($file_seq[$i]);
+     $result =~ s/&\#105;/i/g;
- 		    my @newfile_seq = &content_map($filecontents);
+     $result =~ s/&\#106;/j/g;
- 		    for (my $iu=0;$iu<=$#newfile_seq;$iu++) {
+     $result =~ s/&\#107;/k/g;
- 			$newfile_seq[$iu]=~s/^"//;
+     $result =~ s/&\#108;/l/g;
- 	                $newfile_seq[$iu]=~s/"$//;
+     $result =~ s/&\#109;/m/g;
- 			if ($newfile_seq[$iu]=~m/\S+/) {
+     $result =~ s/&\#110;/n/g;
- 			    $newfile_seq[$iu]=&Apache::lonnet::filelocation("",$newfile_seq[$iu]);
+     $result =~ s/&\#111;/o/g;
- 			} else {
+     $result =~ s/&\#112;/p/g;
- 			    $newfile_seq[$iu]= 'REMOVE IT PLEASE';
+     $result =~ s/&\#113;/q/g;
- 			}
+     $result =~ s/&\#114;/r/g;
- 		    }
+     $result =~ s/&\#115;/s/g;
- 		    splice @file_seq,$i,1,@newfile_seq;
+     $result =~ s/&\#116;/t/g;
- 		    $i=0;
+     $result =~ s/&\#117;/u/g;
- 		    $limit = $#file_seq;
+     $result =~ s/&\#118;/v/g;
- 		} else {
+     $result =~ s/&\#119;/w/g;
- 		    splice @file_seq,$i,1,'REMOVE IT PLEASE';
+     $result =~ s/&\#120;/x/g;
- 		}
+     $result =~ s/&\#121;/y/g;
- 	    }
+     $result =~ s/&\#122;/z/g;
- 	    $i++;
+     $result =~ s/&\#123;/\\{/g;
- 	}
+     $result =~ s/&\#124;/\|/g;
- 	for (my $iu=0;$iu<=$#file_seq;$iu++) {
+     $result =~ s/&\#125;/\\}/g;
- 	    if ($file_seq[$iu]=~m/REMOVE IT PLEASE/) {
+     $result =~ s/&\#126;/\~/g;
- 		splice @file_seq,$iu,1;
+     $result =~ s/&\#131;/\\textflorin /g;
- 	    }
+     $result =~ s/&\#132;/\"/g;
- 	}
+     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
- 	if ($file_seq[-1]=~m/REMOVE IT PLEASE/) {
+     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
- 	    pop @file_seq;
+     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
- 	}
+     $result =~ s/&\#137;/\\textperthousand /g;
-         #-- produce an output string
+     $result =~ s/&\#140;/{\\OE}/g;
- 	for (my $i=0;$i<=$#file_seq;$i++) {
+     $result =~ s/&\#147;/\`\`/g;
-             my $urlp = $file_seq[$i];
+     $result =~ s/&\#148;/\'\'/g;
- 	    $urlp=~s/\/home\/httpd\/html//;
+     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
-             if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) {
+     $result =~ s/&(\#150|\#8211);/--/g;
- 		my %moreenv;
+     $result =~ s/&\#151;/---/g;
- 		$moreenv{'form.grade_target'}='tex';
+     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
- 		&Apache::lonnet::appenv(%moreenv);
+     $result =~ s/&\#153;/\\texttrademark /g;
- 		my $texversion=&Apache::lonnet::ssi($urlp);
+     $result =~ s/&\#156;/\\oe/g;
- 		&Apache::lonnet::delenv('form.grade_target');
+     $result =~ s/&\#159;/\\\"Y/g;
- 		$result .= $texversion;
+     $result =~ s/&(\#160|nbsp);/~/g;
- 	    }
+     $result =~ s/&(\#161|iexcl);/!\`/g;
- 	}
+     $result =~ s/&(\#162|cent);/\\textcent /g;
- 	$result = &additional_cleanup($result);
+     $result =~ s/&(\#163|pound);/\\pounds /g;
-     } elsif ($choice eq 'All class print') {
+     $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);/\\ensuremath\{\\neg\}/g;
+     $result =~ s/&(\#173|shy);/ - /g;
+     $result =~ s/&(\#174|reg);/\\textregistered /g;
+     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
+     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
+     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
+     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
+     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
+     $result =~ s/&(\#180|acute);/\\textacute /g;
+     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
+     $result =~ s/&(\#182|para);/\\P/g;
+     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
+     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
+     $result =~ s/&(\#185|sup1);/\\ensuremath\{^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);/\\ensuremath\{\\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);/\\ensuremath\{\\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);/\\ensuremath\{\\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/&\#295;/\\ensuremath\{\\hbar\}/g;
+     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
+ #Greek Alphabet
+     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
+     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
+     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
+     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
+     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
+     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
+     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
+     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
+     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
+     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
+     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
+     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
+     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
+     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
+     $result =~ s/&(omicron|\#959);/o/g;
+     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
+     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
+     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
+     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
+     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
+     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
+     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
+     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
+     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
+     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
+     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
+     $result =~ s/&(Alpha|\#913);/A/g;
+     $result =~ s/&(Beta|\#914);/B/g;
+     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
+     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
+     $result =~ s/&(Epsilon|\#917);/E/g;
+     $result =~ s/&(Zeta|\#918);/Z/g;
+     $result =~ s/&(Eta|\#919);/H/g;
+     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
+     $result =~ s/&(Iota|\#921);/I/g;
+     $result =~ s/&(Kappa|\#922);/K/g;
+     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
+     $result =~ s/&(Mu|\#924);/M/g;
+     $result =~ s/&(Nu|\#925);/N/g;
+     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
+     $result =~ s/&(Omicron|\#927);/O/g;
+     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
+     $result =~ s/&(Rho|\#929);/P/g;
+     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
+     $result =~ s/&(Tau|\#932);/T/g;
+     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
+     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
+     $result =~ s/&(Chi|\#935);/X/g;
+     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
+     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
+ #Arrows (extended HTML 4.01)
+     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
+     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
+     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
+     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
+     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
+     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
+     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
+     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
+     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
+     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
+ #Mathematical Operators (extended HTML 4.01)
+     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
+     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
+     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
+     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
+     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
+     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
+     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
+     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
+     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
+     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
+     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
+     $result =~ s/–/\\ensuremath\{-\}/g;
+     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
+     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
+     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
+     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
+     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
+     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
+     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
+     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
+     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
+     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
+     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
+     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
+     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
+     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
+     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
+     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
+     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
+     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
+     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
+     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
+     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
+     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
+     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
+     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
+     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
+     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
+ #Geometric Shapes (extended HTML 4.01)
+     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
+ #Miscellaneous Symbols (extended HTML 4.01)
+     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
+     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
+     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
+     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
+     return $result;
+ }
+                   #width, height, oddsidemargin, evensidemargin, topmargin
+ my %page_formats=
+     ('letter' => {
+ 	 'book' => {
+ 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
+ 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
+ 	 },
+ 	 'album' => {
+ 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','1.0 in'],
+ 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
+ 	 },
+      },
+      'legal' => {
+ 	 'book' => {
+ 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
+ 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
+ 	 },
+ 	 'album' => {
+ 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
+              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
+           },
+      },
+      'tabloid' => {
+ 	 'book' => {
+ 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
+ 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
+ 	 },
+ 	 'album' => {
+ 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
+ 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
+           },
+      },
+      'executive' => {
+ 	 'book' => {
+ 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
+ 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
+ 	 },
+ 	 'album' => {
+ 	     '1' => [],
+ 	     '2' => []
+           },
+      },
+      'a2' => {
+ 	 'book' => {
+ 	     '1' => [],
+ 	     '2' => []
+ 	 },
+ 	 'album' => {
+ 	     '1' => [],
+ 	     '2' => []
+           },
+      },
+      'a3' => {
+ 	 'book' => {
+ 	     '1' => [],
+ 	     '2' => []
+ 	 },
+ 	 'album' => {
+ 	     '1' => [],
+ 	     '2' => []
+           },
+      },
+      'a4' => {
+ 	 'book' => {
+ 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
+ 	     '2' => [ '9.1 cm','27.2 cm','-1.397 c,','-2.11 cm','-1.27 cm']
+ 	 },
+ 	 'album' => {
+ 	     '1' => ['21.59 cm','19.558 cm','-1.27 cm','-2.11 cm','0 cm'],
+ 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
+ 	 },
+      },
+      'a5' => {
+ 	 'book' => {
+ 	     '1' => [],
+ 	     '2' => []
+ 	 },
+ 	 'album' => {
+ 	     '1' => [],
+ 	     '2' => []
+           },
+      },
+      'a6' => {
+ 	 'book' => {
+ 	     '1' => [],
+ 	     '2' => []
+ 	 },
+ 	 'album' => {
+ 	     '1' => [],
+ 	     '2' => []
+           },
+      },
+      );
-     } elsif ($choice eq 'Subdirectory print') {
+ sub page_format {
- 	my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
+ #
- 	$subdirtoprint =~ s/\/[^\/]+$//;
+ #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
- 	my @list_of_files = ();
+ #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
- 	if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
+ #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
- 	    $subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//;
+ #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
- 	} else {
+ #                        "A6 [105x148 mm]"
- 	    $subdirtoprint =~ s/.*(\/res\/)/$1/;
+ #
- 	}
+     my ($papersize,$layout,$numberofcolumns) = @_;
- 	my @content_directory = ();
+     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
- 	if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
+ }
- 	    @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');
+ sub get_name {
+     my ($uname,$udom)=@_;
+     if (!defined($uname)) { $uname=$env{'user.name'}; }
+     if (!defined($udom)) { $udom=$env{'user.domain'}; }
+     my $plainname=&Apache::loncommon::plainname($uname,$udom);
+     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
+    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
+     return $plainname;
+ }
+ sub get_course {
+     my $courseidinfo;
+     if (defined($env{'request.course.id'})) {
+ 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
+     }
+     return $courseidinfo;
+ }
+ sub page_format_transformation {
+     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
+     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
+     if ($selectionmade eq '4') {
+ 	$assignment='Problems from the Whole Course';
+     } else {
+ 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
+     }
+     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
+     my $name = &get_name();
+     my $courseidinfo = &get_course();
+     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
+     my $header_text  = $parmhash{'print_header_format'};
+     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
+ 					   $courseidinfo, $name);
+     my $topmargintoinsert = '';
+     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
+     my $fancypagestatement='';
+     if ($numberofcolumns eq '2') {
+ 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
+     } else {
+ 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
+     }
+     if ($layout eq 'album') {
+ 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
+     } elsif ($layout eq 'book') {
+ 	if ($choice ne 'All class print') {
+ 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
  	} else {
- 	    @content_directory = &Apache::lonnet::dirlist($subdirtoprint);
+ 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
- 	}
- 	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]);
- 	    }
  	}
- 	$subdirtoprint =~ s/\/$//;
+ 	if ($papersize eq 'a4') {
- 	for (my $i=0;$i<=$#list_of_files;$i++) {
+ 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
- 	    my $urlp = $subdirtoprint.'/'.$list_of_files[$i];
- 	    my %moreenv;
- 	    $moreenv{'form.grade_target'}='tex';
- 	    &Apache::lonnet::appenv(%moreenv);
- 	    if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
- 		$urlp =~ s/\/home\/([^\/]*)\/public_html/\/~$1/;
- 	    }
- 	    my $texversion=&Apache::lonnet::ssi($urlp);
- 	    &Apache::lonnet::delenv('form.grade_target');
- 	    $texversion =~ s/(\\begin{document})/$1 {\\tiny\\begin{verbatim}$urlp\\end{verbatim}}/;
- 	    $result .= $texversion;
  	}
- 	$result = &additional_cleanup($result);
      }
- #-- corrections for the different page formats
+     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
-     if ($layout eq 'CBI' and $numberofcolumns eq '1') {
+     if ($indexlist eq 'yes') {
-     } elsif ($layout eq 'CBI' and $numberofcolumns eq '2') {
+ 	$text=~s/(\\begin{document})/\\makeindex $1/;
- 	$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}/;
+ 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
-         $laystyle = 'album';
+     }
-     } elsif ($layout eq 'CAPA') {
+     return $text;
-         my $courseidinfo = $ENV{'request.role'};
+ }
-         $_ = $courseidinfo;
-         m/.*\/(.*)/;
-         $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
+ sub page_cleanup {
- #	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
+     my $result = shift;
- 	$result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass{article}/;
- 	$result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 9cm\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo} \\vskip 5 mm /;
+     $result =~ m/\\end{document}(\d*)$/;
- 	$result =~ s/\\includegraphics{/\\includegraphics\[width=9\.0 cm\]{/g;
+     my $number_of_columns = $1;
- #	$result =~ s/\\includegraphics{/\\includegraphics\[width=\\textwidth\]{/g;
+     my $insert = '{';
- #	$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPL $1/;
+     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
- 	$result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny \\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright Michigan State University Board of Trustees $1/;
+     $insert .= '}';
- #        $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[9\.0cm\]\[b\]{\\hrulefill})/$2$1/g;
+     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
-         $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
+     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
-         $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;
+     return $result,$number_of_columns;
- 	$result =~ s/\$number_of_columns/$number_of_columns/g;
+ }
-     }
-     #changes page's parameters for the one column output
-     if ($ENV{'form.numberofcolumns'} == 1) {
+ sub details_for_menu {
- 	$result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
+     my ($helper)=@_;
+     my $postdata=$env{'form.postdata'};
+     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
+     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
+     my $symbolic = &Apache::lonnet::symbread($postdata);
+     return if ( $symbolic eq '');
+     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
+     $map=&Apache::lonnet::clutter($map);
+     my $name_of_sequence = &Apache::lonnet::gettitle($map);
+     if ($name_of_sequence =~ /^\s*$/) {
+ 	$map =~ m|([^/]+)$|;
+ 	$name_of_sequence = $1;
+     }
+     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
+     if ($name_of_map =~ /^\s*$/) {
+ 	$env{'request.course.uri'} =~ m|([^/]+)$|;
+ 	$name_of_map = $1;
+     }
+     return ($name_of_resource,$name_of_sequence,$name_of_map);
+ }
+ sub copyright_line {
+     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
+ }
+ my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
+ sub latex_corrections {
+     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
+ #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
+     my $copyright = &copyright_line();
+     if ($selectionmade eq '1' || $answer_mode eq 'only') {
+ 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
+     } else {
+ 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
      }
+     $result =~ s/\$number_of_columns/$number_of_columns/g;
+     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
+     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
  #-- LaTeX corrections
      my $first_comment = index($result,'<!--',0);
      while ($first_comment != -1) {
- Line 385  ENDPART
+ Line 935  ENDPART
  	$first_comment = index($result,'<!--',$first_comment);
      }
      $result =~ s/^\s+$//gm; #remove empty lines
-     $result =~ s/(\s)+/$1/g; #removes more than one empty space
+     #removes more than one empty space
+     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
      $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
      $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
      $result =~ s/{\\par }\s*\\\\/\\\\/gm;
- 	$result =~ s/\\\\\s+\[/ \[/g;
+     $result =~ s/\\\\\s+\[/ \[/g;
-     $result =~ s/&#952;/\$\\theta\$/g; #converts theta from html into tex
-     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
      #conversion of html characters to LaTeX equivalents
      if ($result =~ m/&(\w+|#\d+);/) {
  	$result = &character_chart($result);
      }
      $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
      $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
- #-- writing .tex file in prtspool
+     return $result;
-     my $temp_file;
-     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
-     unless ($temp_file = Apache::File->new('>'.$filename)) {
- 	$r->log_error("Couldn't open $filename for output $!");
- 	return SERVER_ERROR;
-     }
-     print $temp_file $result;
- $r->print(<<FINALEND);
- <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns">
- </body>
- </html>
- FINALEND
  }
- sub character_chart {
-     my $result = shift;
+ sub index_table {
-     $result =~ s/&#0?0?7;//g;
+     my $currentURL = shift;
-     $result =~ s/&#0?0?9;//g;
+     my $insex_string='';
-     $result =~ s/&#0?10;//g;
+     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
-     $result =~ s/&#0?13;//g;
+     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
-     $result =~ s/&#0?32;/ /g;
+     return $insex_string;
-     $result =~ s/&#0?33;/!/g;
-     $result =~ s/&#0?34;/"/g;
-     $result =~ s/&quot;/"/g;
-     $result =~ s/&#0?35;/\\#/g;
- #    $result =~ s/&#0?36;/\\\$/g;
-     $result =~ s/&#0?37;/\\%/g;
-     $result =~ s/&#0?38;/\\&/g;
-     $result =~ s/&amp;/\\&/g;
-     $result =~ s/&#0?39;/'/g;
-     $result =~ s/&#0?40;/(/g;
-     $result =~ s/&#0?41;/)/g;
-     $result =~ s/&#0?42;/\*/g;
-     $result =~ s/&#0?43;/\+/g;
-     $result =~ s/&#0?44;/,/g;
-     $result =~ s/&#0?45;/-/g;
-     $result =~ s/&#0?46;/\./g;
-     $result =~ s/&#0?47;/\//g;
-     $result =~ s/&#0?48;/0/g;
-     $result =~ s/&#0?49;/1/g;
-     $result =~ s/&#0?50;/2/g;
-     $result =~ s/&#0?51;/3/g;
-     $result =~ s/&#0?52;/4/g;
-     $result =~ s/&#0?53;/5/g;
-     $result =~ s/&#0?54;/6/g;
-     $result =~ s/&#0?55;/7/g;
-     $result =~ s/&#0?56;/8/g;
-     $result =~ s/&#0?57;/9/g;
-     $result =~ s/&#0?58;/:/g;
-     $result =~ s/&#0?59;/;/g;
-     $result =~ s/&#0?60;/\$<\$/g;
-     $result =~ s/&lt;/\$<\$/g;
-     $result =~ s/&#0?61;/\$=\$/g;
-     $result =~ s/&#0?62;/\$>\$/g;
-     $result =~ s/&gt;/\$>\$/g;
-     $result =~ s/&#0?63;/?/g;
- #    $result =~ s/&#0?64;//g;
-     $result =~ s/&#0?65;/A/g;
-     $result =~ s/&#0?66;/B/g;
-     $result =~ s/&#0?67;/C/g;
-     $result =~ s/&#0?68;/D/g;
-     $result =~ s/&#0?69;/E/g;
-     $result =~ s/&#0?70;/F/g;
-     $result =~ s/&#0?71;/G/g;
-     $result =~ s/&#0?72;/H/g;
-     $result =~ s/&#0?73;/I/g;
-     $result =~ s/&#0?74;/J/g;
-     $result =~ s/&#0?75;/K/g;
-     $result =~ s/&#0?76;/L/g;
-     $result =~ s/&#0?77;/M/g;
-     $result =~ s/&#0?78;/N/g;
-     $result =~ s/&#0?79;/O/g;
-     $result =~ s/&#0?80;/P/g;
-     $result =~ s/&#0?81;/Q/g;
-     $result =~ s/&#0?82;/R/g;
-     $result =~ s/&#0?83;/S/g;
-     $result =~ s/&#0?84;/T/g;
-     $result =~ s/&#0?85;/U/g;
-     $result =~ s/&#0?86;/V/g;
-     $result =~ s/&#0?87;/W/g;
-     $result =~ s/&#0?88;/X/g;
-     $result =~ s/&#0?89;/Y/g;
-     $result =~ s/&#0?90;/Z/g;
-     $result =~ s/&#0?91;/[/g;
-     $result =~ s/&#0?92;/\\/g;
-     $result =~ s/&#0?93;/]/g;
- #    $result =~ s/&#0?94;//g;
- #    $result =~ s/&#0?95;//g;
-     $result =~ s/&#0?96;/`/g;
-     $result =~ s/&#0?97;/a/g;
-     $result =~ s/&#0?98;/b/g;
-     $result =~ s/&#0?99;/c/g;
-     $result =~ s/&#100;/d/g;
-     $result =~ s/&#101;/e/g;
-     $result =~ s/&#102;/f/g;
-     $result =~ s/&#103;/g/g;
-     $result =~ s/&#104;/h/g;
-     $result =~ s/&#105;/i/g;
-     $result =~ s/&#106;/j/g;
-     $result =~ s/&#107;/k/g;
-     $result =~ s/&#108;/l/g;
-     $result =~ s/&#109;/m/g;
-     $result =~ s/&#110;/n/g;
-     $result =~ s/&#111;/o/g;
-     $result =~ s/&#112;/p/g;
-     $result =~ s/&#113;/q/g;
-     $result =~ s/&#114;/r/g;
-     $result =~ s/&#115;/s/g;
-     $result =~ s/&#116;/t/g;
-     $result =~ s/&#117;/u/g;
-     $result =~ s/&#118;/v/g;
-     $result =~ s/&#119;/w/g;
-     $result =~ s/&#120;/x/g;
-     $result =~ s/&#121;/y/g;
-     $result =~ s/&#122;/z/g;
-     $result =~ s/&#123;/\\{/g;
-     $result =~ s/&#124;/\|/g;
-     $result =~ s/&#125;/\\}/g;
-     $result =~ s/&#126;/\~/g;
-     $result =~ s/&#130;/,/g;
- #    $result =~ s/&#131;//g;
-     $result =~ s/&#132;/''/g;
-     $result =~ s/&#133;/\$\\ldots\$/g;
-     $result =~ s/&#134;/\$\\dagger\$/g;
-     $result =~ s/&#135;/\$\\ddagger\$/g;
- #    $result =~ s/&#136;//g;
- #    $result =~ s/&#137;//g;
- #    $result =~ s/&#138;//g;
-     $result =~ s/&#139;/\$<\$/g;
- #    $result =~ s/&#140;//g;
-     $result =~ s/&#145;/`/g;
-     $result =~ s/&#146;/'/g;
-     $result =~ s/&#147;/``/g;
-     $result =~ s/&#148;/''/g;
-     $result =~ s/&#149;/\$\\bullet\$/g;
- #    $result =~ s/&#150;//g;
- #    $result =~ s/&#151;//g;
-     $result =~ s/&#152;/~/g;
- #    $result =~ s/&#153;//g;
- #    $result =~ s/&#154;//g;
-     $result =~ s/&#155;/\$>\$/g;
-     $result =~ s/&#156;/\\{\\oe\\}/g;
-     $result =~ s/&#159;/\\"\\{Y\\}/g;
-     $result =~ s/&#160;//g;
-     $result =~ s/&nbsp;//g;
-     $result =~ s/&#161;/!`/g;
-     $result =~ s/&iexcl;/!`/g; #`
- #    $result =~ s/&#162;//g;
- #    $result =~ s/&cent;//g;
-     $result =~ s/&#163;/\\pounds/g;
-     $result =~ s/&pound;/\\pounds/g;
- #    $result =~ s/&#164;//g;
- #    $result =~ s/&curren;//g;
- #    $result =~ s/&#165;//g;
- #    $result =~ s/&yen;//g;
- #    $result =~ s/&#166;//g;
- #    $result =~ s/&brvbar;//g;
- #    $result =~ s/&#167;//g;
- #    $result =~ s/&sect;//g;
- #    $result =~ s/&#168;//g;
- #    $result =~ s/&uml;//g;
-     $result =~ s/&#169;/\\copyright/g;
-     $result =~ s/&copy;/\\copyright/g;
- #    $result =~ s/&#170;//g;
- #    $result =~ s/&ordf;//g;
- #    $result =~ s/&#171;//g;
- #    $result =~ s/&laquo;//g;
-     $result =~ s/&#172;/\$\\neg\$/g;
-     $result =~ s/&not;/\$\\neg\$/g;
- #    $result =~ s/&#173;//g;
- #    $result =~ s/&shy;//g;
- #    $result =~ s/&#174;//g;
- #    $result =~ s/&reg;//g;
- #    $result =~ s/&#175;//g;
- #    $result =~ s/&macr;//g;
-     $result =~ s/&#176;/\$^{\\circ}\$/g;
-     $result =~ s/&deg;/\$^{\\circ}\$/g;
-     $result =~ s/&#177;/\$\\pm\$/g;
-     $result =~ s/&plusmn;/\$\\pm\$/g;
-     $result =~ s/&#178;/\$^2\$/g;
-     $result =~ s/&sup2;/\$^2\$/g;
-     $result =~ s/&#179;/\$^3\$/g;
-     $result =~ s/&sup3;/\$^3\$/g;
- #    $result =~ s/&#180;//g;
- #    $result =~ s/&acute;//g;
-     $result =~ s/&#181;/\$\\mu\$/g;
-     $result =~ s/&micro;/\$\\mu\$/g;
-     $result =~ s/&#182;/\\P/g;
-     $result =~ s/&para;/\\P/g;
-     $result =~ s/&#183;/\$\\cdot\$/g;
-     $result =~ s/&middot;/\$\\cdot\$/g;
- #    $result =~ s/&#184;//g;
- #    $result =~ s/&cedil;//g;
-     $result =~ s/&#185;/\$^1\$/g;
-     $result =~ s/&sup1;/\$^1\$/g;
- #    $result =~ s/&#186;//g;
- #    $result =~ s/&ordm;//g;
- #    $result =~ s/&#187;//g;
- #    $result =~ s/&raquo;//g;
- #    $result =~ s/&#188;//g;
- #    $result =~ s/&frac14;//g;
- #    $result =~ s/&#189;//g;
- #    $result =~ s/&frac12;//g;
- #    $result =~ s/&#190;//g;
- #    $result =~ s/&frac34;//g;
-     $result =~ s/&#191;/?`/g;
-     $result =~ s/&iquest;/?`/g;
-     $result =~ s/&#192;/\\`{A}/g;
-     $result =~ s/&Agrave;/\\`{A}/g;
-     $result =~ s/&#193;/\\'{A}/g;
-     $result =~ s/&Aacute;/\\'{A}/g;
-     $result =~ s/&#194;/\\^{A}/g;
-     $result =~ s/&Acirc;/\\^{A}/g;
-     $result =~ s/&#195;/\\~{A}/g;
-     $result =~ s/&Atilde;/\\~{A}/g;
-     $result =~ s/&#196;/\\"{A}/g;
-     $result =~ s/&Auml;/\\"{A}/g;
-     $result =~ s/&#197;/{\\AA}/g;
-     $result =~ s/&Aring;/{\\AA}/g;
-     $result =~ s/&#198;/{\\AE}/g;
-     $result =~ s/&AElig;/{\\AE}/g;
- #    $result =~ s/&#199;//g;
- #    $result =~ s/&Ccedil;//g;
-     $result =~ s/&#200;/\\`{E}/g;
-     $result =~ s/&Egrave;/\\`{E}/g;
-     $result =~ s/&#201;/\\'{E}/g;
-     $result =~ s/&Eacute;/\\'{E}/g;
-     $result =~ s/&#202;/\\^{E}/g;
-     $result =~ s/&Ecirc;/\\^{E}/g;
-     $result =~ s/&#203;/\\`{E}/g;
-     $result =~ s/&Euml;/\\`{E}/g;
-     $result =~ s/&#204;/\\`{I}/g;
-     $result =~ s/&Igrave;/\\`{I}/g;
-     $result =~ s/&#205;/\\'{I}/g;
-     $result =~ s/&Iacute;/\\'{I}/g;
-     $result =~ s/&#206;/\\^{I}/g;
-     $result =~ s/&Icirc;/\\^{I}/g;
-     $result =~ s/&#207;/\\"{I}/g;
-     $result =~ s/&Iuml;/\\"{I}/g;
- #    $result =~ s/&#208;//g;
- #    $result =~ s/&ETH;//g;
-     $result =~ s/&#209;/\\~{N}/g;
-     $result =~ s/&Ntilde;/\\~{N}/g;
-     $result =~ s/&#210;/\\`{O}/g;
-     $result =~ s/&Ograve;/\\`{O}/g;
-     $result =~ s/&#211;/\\'{O}/g;
-     $result =~ s/&Oacute;/\\'{O}/g;
-     $result =~ s/&#212;/\\^{O}/g;
-     $result =~ s/&Ocirc;/\\^{O}/g;
-     $result =~ s/&#213;/\\~{O}/g;
-     $result =~ s/&Otilde;/\\~{O}/g;
-     $result =~ s/&#214;/\\"{O}/g;
-     $result =~ s/&Ouml;/\\"{O}/g;
-     $result =~ s/&#215;/\$\\times\$/g;
-     $result =~ s/&times;/\$\\times\$/g;
-     $result =~ s/&#216;/{\\O}/g;
-     $result =~ s/&Oslash;/{\\O}/g;
-     $result =~ s/&#217;/\\`{U}/g;
-     $result =~ s/&Ugrave;/\\`{U}/g;
-     $result =~ s/&#218;/\\'{U}/g;
-     $result =~ s/&Uacute;/\\'{U}/g;
-     $result =~ s/&#219;/\\^{U}/g;
-     $result =~ s/&Ucirc;/\\^{U}/g;
-     $result =~ s/&#220;/\\"{U}/g;
-     $result =~ s/&Uuml;/\\"{U}/g;
-     $result =~ s/&#221;/\\'{Y}/g;
-     $result =~ s/&Yacute;/\\'{Y}/g;
- #    $result =~ s/&#222;//g;
- #    $result =~ s/&THORN;//g;
- #    $result =~ s/&#223;//g;
- #    $result =~ s/&szlig;//g;
-     $result =~ s/&#224;/\\`{a}/g;
-     $result =~ s/&agrave;/\\`{a}/g;
-     $result =~ s/&#225;/\\'{a}/g;
-     $result =~ s/&aacute;/\\'{a}/g;
-     $result =~ s/&#226;/\\^{a}/g;
-     $result =~ s/&acirc;/\\^{a}/g;
-     $result =~ s/&#227;/\\~{a}/g;
-     $result =~ s/&atilde;/\\~{a}/g;
-     $result =~ s/&#228;/\\"{a}/g;
-     $result =~ s/&auml;/\\"{a}/g;
-     $result =~ s/&#229;/{\\aa}/g;
-     $result =~ s/&aring;/{\\aa}/g;
-     $result =~ s/&#230;/{\\ae}/g;
-     $result =~ s/&aelig;/{\\ae}/g;
- #    $result =~ s/&#231;//g;
- #    $result =~ s/&ccedil;//g;
-     $result =~ s/&#232;/\\`{e}/g;
-     $result =~ s/&egrave;/\\`{e}/g;
-     $result =~ s/&#233;/\\'{e}/g;
-     $result =~ s/&eacute;/\\'{e}/g;
-     $result =~ s/&#234;/\\^{e}/g;
-     $result =~ s/&ecirc;/\\^{e}/g;
-     $result =~ s/&#235;/\\"{e}/g;
-     $result =~ s/&euml;/\\"{e}/g;
-     $result =~ s/&#236;/\\`{i}/g;
-     $result =~ s/&igrave;/\\`{i}/g;
-     $result =~ s/&#237;/\\'{i}/g;
-     $result =~ s/&iacute;/\\'{i}/g;
-     $result =~ s/&#238;/\\^{i}/g;
-     $result =~ s/&icirc;/\\^{i}/g;
-     $result =~ s/&#239;/\\"{i}/g;
-     $result =~ s/&iuml;/\\"{i}/g;
- #    $result =~ s/&#240;//g;
- #    $result =~ s/&eth;//g;
-     $result =~ s/&#241;/\\~{n}/g;
-     $result =~ s/&ntilde;/\\~{n}/g;
-     $result =~ s/&#242;/\\`{o}/g;
-     $result =~ s/&ograve;/\\`{o}/g;
-     $result =~ s/&#243;/\\'{o}/g;
-     $result =~ s/&oacute;/\\'{o}/g;
-     $result =~ s/&#244;/\\^{o}/g;
-     $result =~ s/&ocirc;/\\^{o}/g;
-     $result =~ s/&#245;/\\~{o}/g;
-     $result =~ s/&otilde;/\\~{o}/g;
-     $result =~ s/&#246;/\\"{o}/g;
-     $result =~ s/&ouml;/\\"{o}/g;
-     $result =~ s/&#247;/\$\\div\$/g;
-     $result =~ s/&divide;/\$\\div\$/g;
-     $result =~ s/&#248;/{\\o}/g;
-     $result =~ s/&oslash;/{\\o}/g;
-     $result =~ s/&#249;/\\`{u}/g;
-     $result =~ s/&ugrave;/\\`{u}/g;
-     $result =~ s/&#250;/\\'{u}/g;
-     $result =~ s/&uacute;/\\'{u}/g;
-     $result =~ s/&#251;/\\^{u}/g;
-     $result =~ s/&ucirc;/\\^{u}/g;
-     $result =~ s/&#252;/\\"{u}/g;
-     $result =~ s/&uuml;/\\"{u}/g;
-     $result =~ s/&#253;/\\'{y}/g;
-     $result =~ s/&yacute;/\\'{y}/g;
- #    $result =~ s/&#254;//g;
- #    $result =~ s/&thorn;//g;
-     $result =~ s/&#255;/\\"{y}/g;
-     $result =~ s/&yuml;/\\"{y}/g;
-     return $result;
  }
- #'"`
+ sub IndexCreation {
+     my ($texversion,$currentURL)=@_;
+     my @key_words=split(/,/,&index_table($currentURL));
+     my $chunk='';
+     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
+     if ($st>0) {
+ 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
+ 	$chunk=substr($texversion,0,$st+1);
+ 	substr($texversion,0,$st+1)=' ';
+     }
+     foreach my $key_word (@key_words) {
+ 	if ($key_word=~/\S+/) {
+ 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
+ 	}
+     }
+     if ($st>0) {substr($texversion,0,1)=$chunk;}
+     return $texversion;
+ }
- sub additional_cleanup {
+ sub print_latex_header {
-     my $result = shift;
+     my $mode=shift;
-     my $first_app = index($result,'\documentclass',0);
+     my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
-     $first_app = index($result,'\documentclass',$first_app+5);
+     if (($mode eq 'batchmode') || (!$perm{'pav'})) {
-     while ($first_app != -1) {
+ 	$output.='\batchmode';
- 	my $second_app = index($result,'begin{document}',$first_app);
- 	$first_app = rindex($result,'\end{document}',$first_app);
- 	substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
- 	$first_app = index($result,'\documentclass',$first_app+5);
      }
+     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
+    	    '\usepackage{multirow}'."\n".
+ 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
+ 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
+ 	     '\usepackage{wrapfig}'.
+ 	     '\usepackage{picins}\usepackage{calc}'."\n".
+ 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
+ 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
+ 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
+ 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
+ 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
+ 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
+ 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
+ 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
+ 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
+ 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
+ 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
+ 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
+ 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
+     return $output;
+ }
+ sub path_to_problem {
+     my ($urlp,$colwidth)=@_;
+     $urlp=&Apache::lonnet::clutter($urlp);
+     my $newurlp = '';
+     $colwidth=~s/\s*mm\s*$//;
+ #characters average about 2 mm in width
+     if (length($urlp)*2 > $colwidth) {
+ 	my @elements = split('/',$urlp);
+ 	my $curlength=0;
+ 	foreach my $element (@elements) {
+ 	    if ($element eq '') { next; }
+ 	    if ($curlength+(length($element)*2) > $colwidth) {
+ 		$newurlp .=  '|\vskip -1 mm \verb|';
+ 		$curlength=length($element)*2;
+ 	    } else {
+ 		$curlength+=length($element)*2;
+ 	    }
+ 	    $newurlp.='/'.$element;
+ 	}
+     } else {
+ 	$newurlp=$urlp;
+     }
+     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
+ }
+ sub recalcto_mm {
+     my $textwidth=shift;
+     my $LaTeXwidth;
+     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
+ 	$LaTeXwidth = $1*10;
+     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
+ 	$LaTeXwidth = $1;
+     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
+ 	$LaTeXwidth = $1*25.4;
+     }
+     $LaTeXwidth.=' mm';
+     return $LaTeXwidth;
+ }
+ sub get_textwidth {
+     my ($helper,$LaTeXwidth)=@_;
+     my $textwidth=$LaTeXwidth;
+     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
+ 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
+ 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
+ 				$helper->{'VARS'}->{'pagesize.widthunit'});
+     }
+     return $textwidth;
+ }
+ sub unsupported {
+     my ($currentURL,$mode,$symb)=@_;
+     if ($mode ne '') {$mode='\\'.$mode}
+     my $result.= &print_latex_header($mode);
+     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
+ 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
+ 	my $title=&Apache::lonnet::gettitle($symb);
+ 	$title = &Apache::lonxml::latex_special_symbols($title);
+ 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
+     } else {
+ 	$result.=$currentURL;
+     }
+     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
      return $result;
  }
- sub page_cleanup {
-     my $result = shift;
-     $_ = $result;
+ #
-     m/\\end{document}(\d*)$/;
+ # List of recently generated print files
-     my $number_of_columns = $1;
+ #
-     my $insert = '{';
+ sub recently_generated {
-     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
+     my $r=shift;
-     $insert .= '}';
+     my $prtspool=$r->dir_config('lonPrtDir');
-     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE/$1$insert/g;
+     my $zip_result;
-     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
+     my $pdf_result;
-     $result =~ s/(\\vskip\s*\d+\s*mm)/}\\\\\\parbox{\\minipagewidth}{/g;
+     opendir(DIR,$prtspool);
-     $result =~ s/\\parbox{\\minipagewidth}{}\s*\\\\\s*(\\parbox{\\minipagewidth})/$1/g;
-     $result =~ s/\\parbox{\\minipagewidth}{\s*\\\\\\\\/\\parbox{\\minipagewidth}{/g;
+     my @files =
-     return $result,$number_of_columns;
+ 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
+     closedir(DIR);
+     @files = sort {
+ 	my ($actime) = (stat($prtspool.'/'.$a))[10];
+ 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
+ 	return $bctime <=> $actime;
+     } (@files);
+     foreach my $filename (@files) {
+ 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
+ 	my ($cdev,$cino,$cmode,$cnlink,
+ 	    $cuid,$cgid,$crdev,$csize,
+ 	    $catime,$cmtime,$cctime,
+ 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
+ 	my $result="<a href='/prtspool/$filename'>".
+ 	    &mt('Generated [_1] ([_2] bytes)',
+ 		&Apache::lonlocal::locallocaltime($cctime),$csize).
+ 		'</a><br />';
+ 	if ($ext eq 'pdf') { $pdf_result .= $result; }
+ 	if ($ext eq 'zip') { $zip_result .= $result; }
+     }
+     if ($zip_result) {
+ 	$r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
+ 		  .$zip_result);
+     }
+     if ($pdf_result) {
+ 	$r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
+ 		  .$pdf_result);
+     }
+ }
+ #
+ #   Retrieve the hash of page breaks.
+ #
+ #  Inputs:
+ #    helper   - reference to helper object.
+ #  Outputs
+ #    A reference to a page break hash.
+ #
+ #
+ #use Data::Dumper;
+ #sub dump_helper_vars {
+ #    my ($helper) = @_;
+ #    my $helpervars = Dumper($helper->{'VARS'});
+ #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
+ #}
+ sub get_page_breaks  {
+     my ($helper) = @_;
+     my %page_breaks;
+     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
+ 	$page_breaks{$break} = 1;
+     }
+     return %page_breaks;
+ }
+ #  Output a sequence (recursively if neeed)
+ #  from construction space.
+ # Parameters:
+ #    url     = URL of the sequence to print.
+ #    helper  - Reference to the helper hash.
+ #    form    - Copy of the format hash.
+ #    LaTeXWidth
+ # Returns:
+ #   Text to add to the printout.
+ #   NOTE if the first element of the outermost sequence
+ #   is itself a sequence, the outermost caller may need to
+ #   prefix the latex with the page headers stuff.
+ #
+ sub print_construction_sequence {
+     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
+     my $result;
+     my $rndseed=time;
+     if ($helper->{'VARS'}->{'curseed'}) {
+ 	$rndseed=$helper->{'VARS'}->{'curseed'};
+     }
+     my $errtext=&LONCAPA::map::mapread($currentURL);
+     #
+     #  These make this all support recursing for subsequences.
+     #
+     my @order    = @LONCAPA::map::order;
+     my @resources = @LONCAPA::map::resources;
+     for (my $member=0;$member<=$#order;$member++) {
+ 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
+ 	my $urlp=$2;
+ 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
+ 	    my $texversion='';
+ 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
+ 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
+ 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		$form{'rndseed'}=$rndseed;
+ 		$resources_printed .=$urlp.':';
+ 		$texversion=&Apache::lonnet::ssi($urlp,%form);
+ 	    }
+ 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
+ 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
+ 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
+ 		#  Don't permanently modify %$form...
+ 		my %answerform = %form;
+ 		$answerform{'grade_target'}='answer';
+ 		$answerform{'answer_output_mode'}='tex';
+ 		$answerform{'rndseed'}=$rndseed;
+ 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
+ 		$resources_printed .= $urlp.':';
+ 		my $answer=&Apache::lonnet::ssi($urlp,%answerform);
+ 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ 		} else {
+ 		    # If necessary, encapsulate answer in minipage:
+ 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
+ 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
+ 		    $title = &Apache::lonxml::latex_special_symbols($title);
+ 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
+ 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
+ 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
+ 		    $body = &encapsulate_minipage($body);
+ 		    $texversion.=$body;
+ 		}
+ 	    }
+ 	    $texversion = &latex_header_footer_remove($texversion);
+ 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
+ 		$texversion=&IndexCreation($texversion,$urlp);
+ 	    }
+ 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
+ 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
+ 	    }
+ 	    $result.=$texversion;
+ 	} elsif ($urlp=~/\.(sequence|page)$/) {
+ 	    # header:
+ 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
+ 	    # IF sequence, recurse:
+ 	    if ($urlp =~ /\.sequence$/) {
+ 		my $sequence_url = $urlp;
+ 		my $domain       = $env{'user.domain'};	# Constr. space only on local
+ 		my $user         = $env{'user.name'};
+ 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
+ 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
+ #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
+ 		$result .= &print_construction_sequence($sequence_url,
+ 							$helper, %form,
+ 							$LaTeXwidth);
+ 	    }
+ 	}
+     }
+     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
+     return $result;
  }
- sub content_map {
+ sub output_data {
- #-- find a list of files to print
+     my ($r,$helper,$rparmhash) = @_;
-     my $map_string = shift;
+     my %parmhash = %$rparmhash;
-     my @number_seq = ();
+     $resources_printed = '';
-     my @file_seq = ();
+     my $js = <<ENDPART;
-     my $startlink = index($map_string,'<link',0);
+ <script type="text/javascript">
-     my $endlink = index($map_string,'</link>',$startlink);
+     var editbrowser;
-     my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
+     function openbrowser(formname,elementname,only,omit) {
-     $_ = $chunk;
+         var url = '/res/?';
-     m/from=\"(\d+)\"/;
+         if (editbrowser == null) {
-     push @number_seq,$1;
+             url += 'launch=1&';
-     while ($startlink != -1) {
+         }
- 	$endlink = index($map_string,'</link>',$startlink);
+         url += 'catalogmode=interactive&';
- 	$chunk = substr($map_string,$startlink,$endlink-$startlink+7);
+         url += 'mode=parmset&';
- 	substr($map_string,$startlink,$endlink-$startlink+7) = '';
+         url += 'form=' + formname + '&';
- 	$_ = $chunk;
+         if (only != null) {
-         m/to=\"(\d+)\"/;
+             url += 'only=' + only + '&';
- 	push @number_seq,$1;
+         }
- 	$startlink = index($map_string,'from="'.$1.'"',0);
+         if (omit != null) {
- 	$startlink = rindex($map_string,'<link ',$startlink);
+             url += 'omit=' + omit + '&';
-     }
+         }
-     my $stalink = index($map_string,' to="'.$number_seq[0].'"',0);
+         url += 'element=' + elementname + '';
-     while ($stalink != -1) {
+         var title = 'Browser';
- 	$startlink = rindex($map_string,'<link ',$stalink);
+         var options = 'scrollbars=1,resizable=1,menubar=0';
- 	$endlink = index($map_string,'</link>',$startlink);
+         options += ',width=700,height=600';
- 	$chunk = substr($map_string,$startlink,$endlink-$startlink+7);
+         editbrowser = open(url,title,options,'1');
- 	substr($map_string,$startlink,$endlink-$startlink+7) = '';
+         editbrowser.focus();
- 	$_ = $chunk;
+     }
-         m/from=\"(\d+)\"/;
+ </script>
- 	unshift @number_seq,$1;
+ ENDPART
- 	$stalink = index($map_string,' to="'.$number_seq[0].'"',0);
-     }
+     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);
-     for (my $i=0;$i<=$#number_seq;$i++) {
+     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
- 	$stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
-         {
+     $r->print($start_page."\n<p>\n$msg\n</p>\n");
- 	    my $ahed1 = index($map_string,'src="',$stalink);
- 	    my $ahed2 = index($map_string,'</resource>',$stalink);
+     # fetch the pagebreaks and store them in the course environment
- 	    if ($ahed1 != -1) {
+     # The page breaks will be pulled into the hash %page_breaks which is
- 		if ($ahed1 < $ahed2) {
+     # indexed by symb and contains 1's for each break.
- 		    $startlink = $ahed1;
+     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
+     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
+     &Apache::loncommon::store_course_settings('print',
+ 					      {'pagebreaks'    => 'scalar',
+ 					       'lastprinttype' => 'scalar'});
+     my %page_breaks  = &get_page_breaks($helper);
+     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
+     my ($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,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
+     my $assignment =  $env{'form.assignment'};
+     my $LaTeXwidth=&recalcto_mm($textwidth);
+     my @print_array=();
+     my @student_names=();
+     #  Common settings for the %form has:
+     # In some cases these settings get overriddent by specific cases, but the
+     # settings are common enough to make it worthwhile factoring them out
+     # here.
+     #
+     my %form;
+     $form{'grade_target'} = 'tex';
+     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
+     # If form.showallfoils is set, then request all foils be shown:
+     # privilege will be enforced both by not allowing the
+     # check box selecting this option to be presnt unless it's ok,
+     # and by lonresponse's priv. check.
+     # The if is here because lonresponse.pm only cares that
+     # showallfoils is defined, not what the value is.
+     if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
+ 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
+     }
+     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
+       #-- single document - problem, page, html, xml, ...
+ 	my ($currentURL,$cleanURL);
+ 	if ($helper->{'VARS'}->{'construction'} ne '1') {
+             #prints published resource
+ 	    $currentURL=$helper->{'VARS'}->{'postdata'};
+ 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
+ 	} else {
+             #prints resource from the construction space
+ 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
+ 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
+ 	    $cleanURL=$currentURL;
+ 	}
+ 	$selectionmade = 1;
+ 	if ($cleanURL!~m|^/adm/|
+ 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
+ 	    my $rndseed=time;
+ 	    my $texversion='';
+ 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
+ 		my %moreenv;
+ 		$moreenv{'request.filename'}=$cleanURL;
+ 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
+ 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
+ 		    my $dom = $env{'user.domain'};
+ 		    my $user = $env{'user.name'};
+ 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
+ 		}
+                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
+ 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
+ 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
+ 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
+ 		if ($helper->{'VARS'}->{'curseed'}) {
+ 		    $rndseed=$helper->{'VARS'}->{'curseed'};
+ 		}
+ 		$form{'rndseed'}=$rndseed;
+ 		&Apache::lonnet::appenv(%moreenv);
+ 		&Apache::lonxml::clear_problem_counter();
+ 		$resources_printed .= $currentURL.':';
+ 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
+ 		&Apache::lonxml::clear_problem_counter();
+ 		&Apache::lonnet::delenv('request.filename');
+ 	    }
+ 	    # current document with answers.. no need to encap in minipage
+ 	    #  since there's only one answer.
+ 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
+ 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
+ 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 		$form{'grade_target'}='answer';
+ 		$form{'answer_output_mode'}='tex';
+ 		$form{'rndseed'}=$rndseed;
+                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
+ 		    $form{'problemtype'}='exam';
+ 		}
+ 		$resources_printed .= $currentURL.':';
+ 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
+ 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ 		} else {
+ 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
+ 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
+ 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
+ 			$title = &Apache::lonxml::latex_special_symbols($title);
+ 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
+ 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
+ 		    } else {
+ 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
+ 			my $URLpath=$cleanURL;
+ 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
+ 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
+ 		    }
+ 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
+ 		}
+ 	    }
+ 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
+ 		$texversion=&IndexCreation($texversion,$currentURL);
+ 	    }
+ 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
+ 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
+ 	    }
+ 	    $result .= $texversion;
+ 	    if ($currentURL=~m/\.page\s*$/) {
+ 		($result,$number_of_columns) = &page_cleanup($result);
+ 	    }
+         } elsif ($cleanURL!~m|^/adm/|
+ 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
+             #printing content of sequence from the construction space
+ 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
+ 	    $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
+ 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
+ 						    $LaTeXwidth);
+ 	    $result .= '\end{document}';
+ 	    if (!($result =~ /\\begin\{document\}/)) {
+ 		$result = &print_latex_header() . $result;
+ 	    }
+ 	    # End construction space sequence.
+ 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
+ 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
+ 		$resources_printed .= $currentURL.':';
+ 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
+ 		$result .= $texversion;
+ 	} else {
+ 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
+ 				  $helper->{'VARS'}->{'symb'});
+ 	}
+     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
+              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
+              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
+ 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
+ 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) {
+         #-- produce an output string
+ 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
+ 	    $selectionmade = 2;
+ 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
+ 	    $selectionmade = 3;
+ 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
+ 	    $selectionmade = 4;
+ 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
+ 	    $selectionmade = 4;
+ 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
+ 	    $selectionmade = 7;
+ 	}
+ 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
+ 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
+ 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
+ 	my $flag_latex_header_remove = 'NO';
+ 	my $flag_page_in_sequence = 'NO';
+ 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ 	my $prevassignment='';
+ 	&Apache::lonxml::clear_problem_counter();
+ 	my $pbreakresources = keys %page_breaks;
+ 	for (my $i=0;$i<=$#master_seq;$i++) {
+ 	    # Note due to document structure, not allowed to put \newpage
+ 	    # prior to the first resource
+ 	    if (defined $page_breaks{$master_seq[$i]}) {
+ 		if($i != 0) {
+ 		    $result.="\\newpage\n";
+ 		}
+ 	    }
+ 	    my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
+ 	    $urlp=&Apache::lonnet::clutter($urlp);
+ 	    $form{'symb'}=$master_seq[$i];
+ 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
+ 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
+ 	    if ($i==0) {$prevassignment=$assignment;}
+ 	    my $texversion='';
+ 	    if ($urlp!~m|^/adm/|
+ 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
+ 		$resources_printed .= $urlp.':';
+ 		&Apache::lonxml::remember_problem_counter();
+ 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
+ 		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}/;
+ 		    $flag_page_in_sequence = 'YES';
+ 		}
+ 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
+ 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
+ 		    #  Don't permanently pervert the %form hash
+ 		    my %answerform = %form;
+ 		    $answerform{'grade_target'}='answer';
+ 		    $answerform{'answer_output_mode'}='tex';
+ 		    $resources_printed .= $urlp.':';
+ 		    &Apache::lonxml::restore_problem_counter();
+ 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
+ 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ 		    } else {
+ 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
+ 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
+ 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
+ 			    $title = &Apache::lonxml::latex_special_symbols($title);
+ 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
+ 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
+ 			    $body   .='\vskip 1 mm '.$answer;
+ 			    $body    = &encapsulate_minipage($body);
+ 			    $texversion .= $body;
+ 			} else {
+ 			    $texversion='';
+ 			}
+ 		    }
+ 		}
+ 		if ($flag_latex_header_remove ne 'NO') {
+ 		    $texversion = &latex_header_footer_remove($texversion);
+ 		} else {
+ 		    $texversion =~ s/\\end{document}//;
+ 		}
+ 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
+ 		    $texversion=&IndexCreation($texversion,$urlp);
+ 		}
+ 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
+ 		    my $name = &get_name();
+ 		    my $courseidinfo = &get_course();
+ 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
+ 		    $prevassignment=$assignment;
+ 		    my $header_text = $parmhash{'print_header_format'};
+ 		    $header_text    = &format_page_header($textwidth, $header_text,
+ 							  $assignment,
+ 							  $courseidinfo,
+ 							  $name);
+ 		    if ($numberofcolumns eq '1') {
+ 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
+ 		    } else {
+ 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
+ 		    }
+ 		}
+ 		$result .= $texversion;
+ 		$flag_latex_header_remove = 'YES';
+ 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
+ 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
+ 		$resources_printed .= $urlp.':';
+ 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ 		if ($flag_latex_header_remove ne 'NO') {
+ 		    $texversion = &latex_header_footer_remove($texversion);
+ 		} else {
+ 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
+ 		}
+ 		$result .= $texversion;
+ 		$flag_latex_header_remove = 'YES';
+ 	    } else {
+ 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
+ 					 $master_seq[$i]);
+ 		if ($flag_latex_header_remove ne 'NO') {
+ 		    $texversion = &latex_header_footer_remove($texversion);
+ 		} else {
+ 		    $texversion =~ s/\\end{document}//;
+ 		}
+ 		$result .= $texversion;
+ 		$flag_latex_header_remove = 'YES';
+ 	    }
+ 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
+ 	}
+ 	&Apache::lonxml::clear_problem_counter();
+ 	if ($flag_page_in_sequence eq 'YES') {
+ 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
+ 	}
+ 	$result .= '\end{document}';
+      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
+ 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
+      #-- prints assignments for whole class or for selected students
+ 	 my $type;
+ 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
+ 	     $selectionmade=5;
+ 	     $type='problems';
+ 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
+ 	     $selectionmade=8;
+ 	     $type='resources';
+ 	 }
+ 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
+ 	 #   The normal sort order is by section then by students within the
+ 	 #   section. If the helper var student_sort is 1, then the user has elected
+ 	 #   to override this and output the students by name.
+ 	 #    Each element of the students array is of the form:
+ 	 #       username:domain:section:last, first:status
+ 	 #
+ 	 #  Note that student sort is not compatible with printing
+ 	 #  1 section per pdf...so that setting overrides.
+ 	 #
+ 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  &&
+ 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
+ 	     @students = sort compare_names  @students;
+ 	 }
+ 	 &adjust_number_to_print($helper);
+          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
+ 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
+ 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
+ 	 }
+ 	 # If we are splitting on section boundaries, we need
+ 	 # to remember that in split_on_sections and
+ 	 # print all of the students in the list.
+ 	 #
+ 	 my $split_on_sections = 0;
+ 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
+ 	     $split_on_sections = 1;
+ 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
+ 	 }
+ 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ 	 #loop over students
+ 	 my $flag_latex_header_remove = 'NO';
+ 	 my %moreenv;
+          $moreenv{'instructor_comments'}='hide';
+ 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
+ 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
+ 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
+ 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
+ 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
+ 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
+ 	 my $student_counter=-1;
+ 	 my $i = 0;
+ 	 my $last_section = (split(/:/,$students[0]))[2];
+ 	 foreach my $person (@students) {
+              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
+ 	     if (-e $duefile) {
+ 		 my $temp_file = Apache::File->new('>>'.$duefile);
+ 		 print $temp_file "1969\n";
+ 	     }
+ 	     $student_counter++;
+ 	     if ($split_on_sections) {
+ 		 my $this_section = (split(/:/,$person))[2];
+ 		 if ($this_section ne $last_section) {
+ 		     $i++;
+ 		     $last_section = $this_section;
+ 		 }
+ 	     } else {
+ 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
+ 	     }
+ 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
+ 						     $person,$type,
+ 						     \%moreenv,\@master_seq,
+ 						     $flag_latex_header_remove,
+ 						     $LaTeXwidth);
+ 	     $resources_printed .= ":";
+ 	     $print_array[$i].=$output;
+ 	     $student_names[$i].=$person.':'.$fullname.'_END_';
+ 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
+ 	     $flag_latex_header_remove = 'YES';
+ 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
+ 	 }
+ 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ 	 $result .= $print_array[0].'  \end{document}';
+      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
+ 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {
+ 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
+ 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
+ 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
+ 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
+ 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
+ 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
+ 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
+ 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
+ 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+ 	 my ($code_type,$code_length)=('letter',6);
+ 	 foreach my $line (<FH>) {
+ 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
+ 	     if ($name eq $code_option) {
+ 		 $code_length=$length;
+ 		 if ($type eq 'number') { $code_type = 'number'; }
+ 	     }
+ 	 }
+ 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
+ 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
+          $moreenv{'instructor_comments'}='hide';
+ 	 my $seed=time+($$<<16)+($$);
+ 	 my @allcodes;
+ 	 if ($old_name) {
+ 	     my %result=&Apache::lonnet::get('CODEs',
+ 					     [$old_name,"type\0$old_name"],
+ 					     $cdom,$cnum);
+ 	     $code_type=$result{"type\0$old_name"};
+ 	     @allcodes=split(',',$result{$old_name});
+ 	     $num_todo=scalar(@allcodes);
+ 	 } elsif ($selected_code) { # Selection value is always numeric.
+ 	     $num_todo = 1;
+ 	     @allcodes = ($selected_code);
+ 	 } elsif ($single_code) {
+ 	     $num_todo    = 1;	# Unconditionally one code to do.
+ 	     # If an alpha code have to convert to numbers so it can be
+ 	     # converted back to letters again :-)
+ 	     #
+ 	     if ($code_type ne 'number') {
+ 		 $single_code = &letters_to_num($single_code);
+ 	     }
+ 	     @allcodes = ($single_code);
+ 	 } else {
+ 	     my %allcodes;
+ 	     srand($seed);
+ 	     for (my $i=0;$i<$num_todo;$i++) {
+ 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
+ 					    $code_type);
+ 	     }
+ 	     if ($code_name) {
+ 		 &Apache::lonnet::put('CODEs',
+ 				      {
+ 					$code_name =>join(',',keys(%allcodes)),
+ 					"type\0$code_name" => $code_type
+ 				      },
+ 				      $cdom,$cnum);
+ 	     }
+ 	     @allcodes=keys(%allcodes);
+ 	 }
+ 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
+ 	 &adjust_number_to_print($helper);
+ 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
+ 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
+ 	     $number_per_page=$num_todo;
+ 	 }
+ 	 my $flag_latex_header_remove = 'NO';
+ 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
+ 	 my $count=0;
+ 	 foreach my $code (sort(@allcodes)) {
+ 	     my $file_num=int($count/$number_per_page);
+ 	     if ($code_type eq 'number') {
+ 		 $moreenv{'CODE'}=$code;
+ 	     } else {
+ 		 $moreenv{'CODE'}=&num_to_letters($code);
+ 	     }
+ 	     my ($output,$fullname, $printed)=
+ 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
+ 				  \@master_seq,$flag_latex_header_remove,
+ 				  $LaTeXwidth);
+ 	     $resources_printed .= ":";
+ 	     $print_array[$file_num].=$output;
+ 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+ 				       &mt('last assignment').' '.$fullname);
+ 	     $flag_latex_header_remove = 'YES';
+ 	     $count++;
+ 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
+ 	 }
+ 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
+ 	 $result .= $print_array[0].'  \end{document}';
+      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
+     #prints selected problems from the subdirectory
+ 	$selectionmade = 6;
+         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
+ 	@list_of_files=sort @list_of_files;
+ 	my $flag_latex_header_remove = 'NO';
+ 	my $rndseed=time;
+ 	if ($helper->{'VARS'}->{'curseed'}) {
+ 	    $rndseed=$helper->{'VARS'}->{'curseed'};
+ 	}
+ 	for (my $i=0;$i<=$#list_of_files;$i++) {
+ 	    my $urlp = $list_of_files[$i];
+ 	    $urlp=~s|//|/|;
+ 	    if ($urlp=~/\//) {
+ 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 		$form{'rndseed'}=$rndseed;
+ 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
+ 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
+ 		} else {
+ 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
+ 		}
+ 		$resources_printed .= $urlp.':';
+ 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
+ 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
+ 		    #  Don't permanently pervert %form:
+ 		    my %answerform = %form;
+ 		    $answerform{'grade_target'}='answer';
+ 		    $answerform{'answer_output_mode'}='tex';
+ 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		    $answerform{'rndseed'}=$rndseed;
+ 		    $resources_printed .= $urlp.':';
+ 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
+ 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ 		    } else {
+ 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
+ 			if ($helper->{'VARS'}->{'construction'} ne '1') {
+ 			    $texversion.='\vskip 0 mm \noindent ';
+ 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
+ 			} else {
+ 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
+ 			    my $URLpath=$urlp;
+ 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
+ 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
+ 			}
+ 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
+ 		    }
+ 		}
+                 #this chunck is responsible for printing the path to problem
+ 		my $newurlp=$urlp;
+ 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
+ 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
+ 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
+ 		if ($flag_latex_header_remove ne 'NO') {
+ 		    $texversion = &latex_header_footer_remove($texversion);
  		} else {
- 		    $startlink = rindex($map_string,'src="',$stalink);
+ 		    $texversion =~ s/\\end{document}//;
  		}
+ 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
+ 		    $texversion=&IndexCreation($texversion,$urlp);
+ 		}
+ 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
+ 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
+ 		}
+ 		$result .= $texversion;
+ 	    }
+ 	    $flag_latex_header_remove = 'YES';
+ 	}
+ 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
+ 	$result .= '\end{document}';
+     }
+ #-------------------------------------------------------- corrections for the different page formats
+     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
+     $result = &latex_corrections($number_of_columns,$result,$selectionmade,
+ 				 $helper->{'VARS'}->{'ANSWER_TYPE'});
+     #if ($numberofcolumns == 1) {
+ 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
+ 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
+ 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
+ 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
+     #}
+ #-- writing .tex file in prtspool
+     my $temp_file;
+     my $identifier = &Apache::loncommon::get_cgi_id();
+     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
+     if (!($#print_array>0)) {
+ 	unless ($temp_file = Apache::File->new('>'.$filename)) {
+ 	    $r->log_error("Couldn't open $filename for output $!");
+ 	    return SERVER_ERROR;
+ 	}
+ 	print $temp_file $result;
+ 	my $begin=index($result,'\begin{document}',0);
+ 	my $inc=substr($result,0,$begin+16);
+     } else {
+ 	my $begin=index($result,'\begin{document}',0);
+ 	my $inc=substr($result,0,$begin+16);
+         for (my $i=0;$i<=$#print_array;$i++) {
+ 	    if ($i==0) {
+ 		$print_array[$i]=$result;
  	    } else {
- 		$startlink = rindex($map_string,'src="',$stalink);
+ 		$print_array[$i].='\end{document}';
+ 		$print_array[$i] =
+ 		    &latex_corrections($number_of_columns,$print_array[$i],
+ 				       $selectionmade,
+ 				       $helper->{'VARS'}->{'ANSWER_TYPE'});
+ 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
+ 		substr($print_array[$i],0,$anobegin)='';
+ 		$print_array[$i]=$inc.$print_array[$i];
  	    }
+ 	    my $temp_file;
+ 	    my $newfilename=$filename;
+ 	    my $num=$i+1;
+ 	    $newfilename =~s/\.tex$//;
+ 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
+ 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
+ 		$r->log_error("Couldn't open $newfilename for output $!");
+ 		return SERVER_ERROR;
+ 	    }
+ 	    print $temp_file $print_array[$i];
+ 	}
+     }
+     my $student_names='';
+     if ($#print_array>0) {
+ 	for (my $i=0;$i<=$#print_array;$i++) {
+ 	    $student_names.=$student_names[$i].'_ENDPERSON_';
+ 	}
+     } else {
+ 	if ($#student_names>-1) {
+ 	    $student_names=$student_names[0].'_ENDPERSON_';
+ 	} else {
+ 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
+ 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
+ 				$env{'request.course.sec'},$fullname).
+ 				    '_ENDPERSON_'.'_END_';
+ 	}
+     }
+     my $URLback=''; #link to original document
+     if ($helper->{'VARS'}->{'construction'} ne '1') {
+ 	#prints published resource
+ 	$URLback=&escape('/adm/flip?postdata=return:');
+     } else {
+ 	#prints resource from the construction space
+ 	$URLback='/'.$helper->{'VARS'}->{'filename'};
+ 	if ($URLback=~/([^?]+)/) {
+ 	    $URLback=$1;
+ 	    $URLback=~s|^/~|/priv/|;
  	}
- 	$startlink = index($map_string,'"',$startlink);
- 	$endlink = index($map_string,'"',$startlink+1);
- 	$chunk = substr($map_string,$startlink,$endlink-$startlink+1);
- 	push @file_seq,$chunk;
      }
-     return @file_seq;
+     # logic for now is too complex to trace if this has been defined
+     #  yet.
+     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
+                             'cgi.'.$identifier.'.layout'  => $laystyle,
+                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
+ 			    'cgi.'.$identifier.'.paper'  => $papersize,
+                             'cgi.'.$identifier.'.selection' => $selectionmade,
+ 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
+ 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
+ 			    'cgi.'.$identifier.'.role' => $perm{'pav'},
+                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
+                             'cgi.'.$identifier.'.studentnames' => $student_names,
+                             'cgi.'.$identifier.'.backref' => $URLback,);
+     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
+ 			    "cgi.$identifier.domain"  => $env{'user.domain'},
+ 			    "cgi.$identifier.courseid" => $cnum,
+ 			    "cgi.$identifier.coursedom" => $cdom,
+ 			    "cgi.$identifier.resources" => $resources_printed);
+     my $end_page = &Apache::loncommon::end_page();
+     $r->print(<<FINALEND);
+ <br />
+ <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
+ <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
+ $end_page
+ FINALEND
  }
+ sub get_CODE {
+     my ($all_codes,$num,$seed,$size,$type)=@_;
+     my $max='1'.'0'x$size;
+     my $newcode;
+     while(1) {
+ 	$newcode=sprintf("%0".$size."d",int(rand($max)));
+ 	if (!exists($$all_codes{$newcode})) {
+ 	    $$all_codes{$newcode}=1;
+ 	    if ($type eq 'number' ) {
+ 		return $newcode;
+ 	    } else {
+ 		return &num_to_letters($newcode);
+ 	    }
+ 	}
+     }
+ }
+ sub print_resources {
+     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
+ 	$LaTeXwidth)=@_;
+     my $current_output = '';
+     my $printed = '';
+     my ($username,$userdomain,$usersection) = split /:/,$person;
+     my $fullname = &get_name($username,$userdomain);
+     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
+     if ($person =~ 'anon') {
+ 	$namepostfix .="Name: ";
+ 	$fullname = "CODE - ".$moreenv->{'CODE'};
+     }
+     #  Fullname may have special latex characters that need \ prefixing:
+     #
+     my $i           = 0;
+     #goes through all resources, checks if they are available for
+     #current student, and produces output
+     &Apache::lonxml::clear_problem_counter();
+     my %page_breaks  = &get_page_breaks($helper);
+     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
+     #
+     #   end each student with a
+     #   Special that allows the post processor to even out the page
+     #   counts later.  Nasty problem this... it would be really
+     #   nice to put the special in as a postscript comment
+     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
+     #   The special gets passed the \ and dvips puts it in the output file
+     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
+     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
+     #
+     foreach my $curresline (@{$master_seq})  {
+ 	if (defined $page_breaks{$curresline}) {
+ 	    if($i != 0) {
+ 		$current_output.= "\\newpage\n";
+ 	    }
+ 	}
+ 	$i++;
+ 	if ( !($type eq 'problems' &&
+ 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
+ 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
+ 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
+ 		if ($res_url!~m|^ext/|
+ 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
+ 		    $printed .= $curresline.':';
+ 		    &Apache::lonxml::remember_problem_counter();
+ 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
+ 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
+ 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
+ 			#   Use a copy of the hash so we don't pervert it on future loop passes.
+ 			my %answerenv = %{$moreenv};
+ 			$answerenv{'answer_output_mode'}='tex';
+ 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 			&Apache::lonxml::restore_problem_counter();
+ 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
+ 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
+ 			} else {
+ 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
+ 			    my $title = &Apache::lonnet::gettitle($curresline);
+ 			    $title = &Apache::lonxml::latex_special_symbols($title);
+ 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
+ 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
+ 			    $body     .='\vskip 1 mm '.$ansrendered;
+ 			    $body     = &encapsulate_minipage($body);
+ 			    $rendered = $header.$body;
+ 			}
+ 		    }
+ 		    if ($remove_latex_header eq 'YES') {
+ 			$rendered = &latex_header_footer_remove($rendered);
+ 		    } else {
+ 			$rendered =~ s/\\end{document}//;
+ 		    }
+ 		    $current_output .= $rendered;
+ 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
+ 		    $printed .= $curresline.':';
+ 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
+ 		    if ($remove_latex_header eq 'YES') {
+ 			$rendered = &latex_header_footer_remove($rendered);
+ 		    } else {
+ 			$rendered =~ s/\\end{document}//;
+ 		    }
+ 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
+ 		} else {
+ 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
+ 		    if ($remove_latex_header ne 'NO') {
+ 			$rendered = &latex_header_footer_remove($rendered);
+ 		    } else {
+ 			$rendered =~ s/\\end{document}//;
+ 		    }
+ 		    $current_output .= $rendered;
+ 		}
+ 	    }
+ 	    $remove_latex_header = 'YES';
+ 	}
+ 	if (&Apache::loncommon::connection_aborted($r)) { last; }
+     }
+     my $courseidinfo = &get_course();
+     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
+     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
+     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
+     my $header_line =
+ 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
+ 			    $currentassignment, $courseidinfo, $fullname);
+     my $header_start = ($columns_in_format == 1) ? '\lhead'
+ 	                                         : '\fancyhead[LO]';
+     $header_line = $header_start.'{'.$header_line.'}';
+     if ($current_output=~/\\documentclass/) {
+ 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
+     } else {
+ 	my $blankpages =
+ 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
+ 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
+ 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
+ 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
+ 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
+     }
+     #
+     #  Close the student bracketing.
+     #
+     return ($current_output,$fullname, $printed);
+ }
  sub handler {
      my $r = shift;
-     $r->content_type('text/html');
+     &init_perm();
+     my $helper = printHelper($r);
+     if (!ref($helper)) {
+ 	return $helper;
+     }
+     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
+     #  If a figure conversion queue file exists for this user.domain
+     # we delete it since it can only be bad (if it were good, printout.pl
+     # would have deleted it the last time around.
+     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
+     if(-e $conversion_queuefile) {
+ 	unlink $conversion_queuefile;
+     }
+     &output_data($r,$helper,\%parmhash);
+     return OK;
+ }
+ use Apache::lonhelper;
+ sub addMessage {
+     my $text = shift;
+     my $paramHash = Apache::lonhelper::getParamHash();
+     $paramHash->{MESSAGE_TEXT} = $text;
+     Apache::lonhelper::message->new();
+ }
+ sub init_perm {
+     undef(%perm);
+     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
+     if (!$perm{'pav'}) {
+ 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
+ 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
+     }
+     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
+     if (!$perm{'pfo'}) {
+ 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
+ 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
+     }
+ }
+ sub printHelper {
+     my $r = shift;
+     if ($r->header_only) {
+         if ($env{'browser.mathml'}) {
+             &Apache::loncommon::content_type($r,'text/xml');
+         } else {
+             &Apache::loncommon::content_type($r,'text/html');
+         }
+         $r->send_http_header;
+         return OK;
+     }
+     # Send header, nocache
+     if ($env{'browser.mathml'}) {
+         &Apache::loncommon::content_type($r,'text/xml');
+     } else {
+         &Apache::loncommon::content_type($r,'text/html');
+     }
+     &Apache::loncommon::no_cache($r);
      $r->send_http_header;
+     $r->rflush();
- #-- start form
+     # Unfortunately, this helper is so complicated we have to
-     &headerform($r);
+     # write it by hand
- #-- menu for output
-     unless  ($ENV{'form.phase'}) {
+     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
- 	&menu_for_output($r);
-     }
+     my $helper = Apache::lonhelper::helper->new("Printing Helper");
- #-- additional menu for class printing
+     $helper->declareVar('symb');
-      if ($ENV{'form.phase'} eq 'two') {
+     $helper->declareVar('postdata');
- 	 if($ENV{'form.choice'} eq 'All class print') {
+     $helper->declareVar('curseed');
- 	     &additional_class_menu($r);
+     $helper->declareVar('probstatus');
- 	 } else {
+     $helper->declareVar('filename');
- 	     $ENV{'form.phase'} = 'three';
+     $helper->declareVar('construction');
- 	 }
+     $helper->declareVar('assignment');
-      }
+     $helper->declareVar('style_file');
- #-- additional menu for page layout (one column case)
+     $helper->declareVar('student_sort');
-     if ($ENV{'form.phase'} eq 'three') {
+     $helper->declareVar('FINISHPAGE');
- 	if($ENV{'form.numberofcolumns'} == 1) {
+     $helper->declareVar('PRINT_TYPE');
- 	    &additional_print_menu($r);
+     $helper->declareVar("showallfoils");
+     $helper->declareVar("STUDENTS");
+     #  The page breaks can get loaded initially from the course environment:
+     # But we only do this in the initial state so that they are allowed to change.
+     #
+     # $helper->{VARS}->{FINISHPAGE} = '';
+     &Apache::loncommon::restore_course_settings('print',
+ 						{'pagebreaks'  => 'scalar',
+ 					         'lastprinttype' => 'scalar'});
+     # This will persistently load in the data we want from the
+     # very first screen.
+     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
+ 	if (!defined ($env{"form.CURRENT_STATE"})) {
+ 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
+ 	} else {
+ 	    my $state = $env{"form.CURRENT_STATE"};
+ 	    if ($state eq "START") {
+ 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
+ 	    }
+ 	}
+     }
+     # Detect whether we're coming from construction space
+     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
+         $helper->{VARS}->{'filename'} = "~$1/$2";
+         $helper->{VARS}->{'construction'} = 1;
+     } else {
+         if ($env{'form.postdata'}) {
+             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
+ 	    if ( $helper->{VARS}->{'symb'} eq '') {
+ 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
+ 	    }
+         }
+         if ($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'});
+     }
+     $helper->{VARS}->{'symb'}=
+ 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
+     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
+     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
+     # Extract map
+     my $symb = $helper->{VARS}->{'symb'};
+     my ($map, $id, $url);
+     my $subdir;
+     my $is_published=0;		# True when printing from resource space.
+     # Get the resource name from construction space
+     if ($helper->{VARS}->{'construction'}) {
+         $resourceTitle = substr($helper->{VARS}->{'filename'},
+                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
+         $subdir = substr($helper->{VARS}->{'filename'},
+, rindex($helper->{VARS}->{'filename'}, '/') + 1);
+     } else {
+ 	if ($symb ne '') {
+ 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
+ 	    $helper->{VARS}->{'postdata'} =
+ 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
+ 	} else {
+ 	    $url = $helper->{VARS}->{'postdata'};
+ 	    $is_published=1;	# From resource space.
+ 	}
+ 	$url = &Apache::lonnet::clutter($url);
+         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
+             my $postdata = $helper->{VARS}->{'postdata'};
+             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
+         }
+         $subdir = &Apache::lonnet::filelocation("", $url);
+     }
+     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
+ 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
+     }
+     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
+ 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
+     }
+     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
+     Apache::lonhelper::registerHelperTags();
+     # "Delete everything after the last slash."
+     $subdir =~ s|/[^/]+$||;
+     # 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 @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
+     }
+     # Useful filter strings
+     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
+     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
+     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
+     my $isNotMap = '!$res->is_sequence()';
+     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
+     my $isMap = '$res->is_map()';
+     my $symbFilter = '$res->shown_symb()';
+     my $urlValue = '$res->link()';
+     $helper->declareVar('SEQUENCE');
+     # If we're in a sequence...
+     my $start_new_option;
+     if ($perm{'pav'}) {
+ 	$start_new_option =
+ 	    "<option text='".&mt('Start new page<br />before selected').
+ 	    "' variable='FINISHPAGE' />";
+     }
+     if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
+ 	$helper->{VARS}->{'postdata'} &&
+ 	$helper->{VARS}->{'assignment'}) {
+         # Allow problems from sequence
+         push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
+         # Allow all resources from sequence
+         push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
+         my $helperFragment = <<HELPERFRAGMENT;
+   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
+     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
+               closeallpages="1">
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isProblem;</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+       </resource>
+     </state>
+   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
+     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
+               closeallpages="1">
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isNotMap;</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+       </resource>
+     </state>
+ HELPERFRAGMENT
+ 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
+     }
+     # If the user has pfo (print for otheres) allow them to print all
+     # problems and resources  in the entier course, optionally for selected students
+     if ($perm{'pfo'} &&  !$is_published  &&
+         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
+         push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
+ 	push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
+          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
+   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
+     <resource variable="RESOURCES" toponly='0' multichoice="1"
+ 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isProblemOrMap;</filterfunc>
+       <choicefunc>return $isNotMap;</choicefunc>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+     </resource>
+   </state>
+   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
+     <resource variable="RESOURCES" toponly='0' multichoice='1'
+               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isNotMap; </filterfunc>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+     </resource>
+   </state>
+ ALL_PROBLEMS
+ 	if ($helper->{VARS}->{'assignment'}) {
+ 	    push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS'];
+ 	    push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'problems_for_anon', 'CHOOSE_ANON1'];
+ 	}
+ 	# resource_selector will hold a few states that:
+ 	#   - Allow resources to be selected for printing.
+ 	#   - Determine pagination between assignments.
+ 	#   - Determine how many assignments should be bundled into a single PDF.
+         # TODO:
+ 	#    Probably good to do things like separate this up into several vars, each
+ 	#    with one state, and use REGEXPs at inclusion time to set state names
+ 	#    and next states for better mix and match capability
+ 	#
+ 	my $resource_selector=<<RESOURCE_SELECTOR;
+     <state name="SELECT_PROBLEMS" title="Select resources to print">
+    <nextstate>PRINT_FORMATTING</nextstate>
+    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
+     <resource variable="RESOURCES" multichoice="1" addstatus="1"
+               closeallpages="1">
+       <filterfunc>return $isProblem;</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+       </resource>
+     </state>
+     <state name="PRINT_FORMATTING" title="How should results be printed?">
+     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
+     <choices variable="EMPTY_PAGES">
+       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
+       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
+       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
+       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
+     </choices>
+     <nextstate>PAGESIZE</nextstate>
+     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
+     <choices variable="SPLIT_PDFS">
+        <choice computer="all">All assignments in a single PDF file</choice>
+        <choice computer="sections">Each PDF contains exactly one section</choice>
+        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
+        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
+             Specify the number of assignments per PDF:</choice>
+     </choices>
+     </state>
+ RESOURCE_SELECTOR
+         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
+   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
+       <message><b>Select sorting order of printout</b> </message>
+     <choices variable='student_sort'>
+       <choice computer='0'>Sort by section then student</choice>
+       <choice computer='1'>Sort by students across sections.</choice>
+     </choices>
+       <message><br /><hr /><br /> </message>
+       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
+   </state>
+     $resource_selector
+ CHOOSE_STUDENTS
+ 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
+ 	my $namechoice='<choice></choice>';
+ 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
+ 	    if ($name =~ /^error: 2 /) { next; }
+ 	    if ($name =~ /^type\0/) { next; }
+ 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
+ 	}
+ 	my %code_values;
+ 	my %codes_to_print;
+ 	foreach my $key (@names) {
+ 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
+ 	    foreach my $key (keys(%code_values)) {
+ 		$codes_to_print{$key} = 1;
+ 	    }
+ 	}
+ 	my $code_selection;
+ 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
+ 	    my $choice  = $code;
+ 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
+ 		$choice = &letters_to_num($code);
+ 	    }
+ 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
+ 	}
+ 	if (%codes_to_print) {
+ 	    $code_selection .='
+ 	    <message><b>Choose single CODE from list:</b></message>
+ 		<message></td><td></message>
+ 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
+                   <choice></choice>
+                   <exec>
+                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
+                   </exec>
+ 		</dropdown>
+ 	    <message></td></tr><tr><td></message>
+             '.$/;
+ 	}
+ 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
+ 	my $codechoice='';
+ 	foreach my $line (<FH>) {
+ 	    my ($name,$description,$code_type,$code_length)=
+ 		(split(/:/,$line))[0,1,2,4];
+ 	    if ($code_length > 0 &&
+ 		$code_type =~/^(letter|number|-1)/) {
+ 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
+ 	    }
+ 	}
+ 	if ($codechoice eq '') {
+ 	    $codechoice='<choice computer="default">Default</choice>';
+ 	}
+         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
+   <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
+     <nextstate>SELECT_PROBLEMS</nextstate>
+     <message><h4>Fill out one of the forms below</h4></message>
+     <message><br /><hr /> <br /></message>
+     <message><h3>Generate new CODEd Assignments</h3></message>
+     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
+     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
+        <validator>
+ 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
+ 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
+             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
+ 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
+ 	    return "You need to specify the number of assignments to print";
+ 	}
+ 	return undef;
+        </validator>
+     </string>
+     <message></td></tr><tr><td></message>
+     <message><b>Names to store the CODEs under for later:</b></message>
+     <message></td><td></message>
+     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
+     <message></td></tr><tr><td></message>
+     <message><b>Bubble sheet type:</b></message>
+     <message></td><td></message>
+     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
+     $codechoice
+     </dropdown>
+     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
+     <message></td></tr><tr><td></table></message>
+     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
+     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
+     <string variable="SINGLE_CODE" size="10">
+         <validator>
+ 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
+ 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
+ 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
+ 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
+ 						      \$helper->{'VARS'}{'CODE_OPTION'});
+ 	   } else {
+ 	       return undef;	# Other forces control us.
+ 	   }
+         </validator>
+     </string>
+     <message></td></tr><tr><td></message>
+         $code_selection
+     <message></td></tr></table></message>
+     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
+     <message><b>Select saved CODEs:</b></message>
+     <message></td><td></message>
+     <dropdown variable="REUSE_OLD_CODES">
+         $namechoice
+     </dropdown>
+     <message></td></tr></table></message>
+   </state>
+   $resource_selector
+ CHOOSE_ANON1
+ 	if ($helper->{VARS}->{'assignment'}) {
+ 	    push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1'];
+ 	    push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2'];
+ 	}
+ 	$resource_selector=<<RESOURCE_SELECTOR;
+     <state name="SELECT_RESOURCES" title="Select Resources">
+     <nextstate>PRINT_FORMATTING</nextstate>
+     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
+     <resource variable="RESOURCES" multichoice="1" addstatus="1"
+               closeallpages="1">
+       <filterfunc>return $isNotMap;</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+       </resource>
+     </state>
+     <state name="PRINT_FORMATTING" title="Format of the print job">
+     <nextstate>NUMBER_PER_PDF</nextstate>
+     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
+     <choices variable="EMPTY_PAGES">
+       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
+       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
+       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
+       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
+     </choices>
+     <nextstate>PAGESIZE</nextstate>
+     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
+     <choices variable="SPLIT_PDFS">
+        <choice computer="all">All assignments in a single PDF file</choice>
+        <choice computer="sections">Each PDF contains exactly one section</choice>
+        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
+        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
+            Specify the number of assignments per PDF:</choice>
+     </choices>
+     </state>
+ RESOURCE_SELECTOR
+ 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
+   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
+     <choices variable='student_sort'>
+       <choice computer='0'>Sort by section then student</choice>
+       <choice computer='1'>Sort by students across sections.</choice>
+     </choices>
+     <message><br /><hr /><br /></message>
+     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
+     </state>
+     $resource_selector
+ CHOOSE_STUDENTS1
+ 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
+   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
+     <nextstate>SELECT_RESOURCES</nextstate>
+     <message><h4>Fill out one of the forms below</h4></message>
+     <message><br /><hr /> <br /></message>
+     <message><h3>Generate new CODEd Assignments</h3></message>
+     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
+     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
+        <validator>
+ 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
+ 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
+ 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
+ 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
+ 	    return "You need to specify the number of assignments to print";
+ 	}
+ 	return undef;
+        </validator>
+     </string>
+     <message></td></tr><tr><td></message>
+     <message><b>Names to store the CODEs under for later:</b></message>
+     <message></td><td></message>
+     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
+     <message></td></tr><tr><td></message>
+     <message><b>Bubble sheet type:</b></message>
+     <message></td><td></message>
+     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
+     $codechoice
+     </dropdown>
+     <message></td></tr><tr><td></table></message>
+     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
+     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
+     <string variable="SINGLE_CODE" size="10">
+         <validator>
+ 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
+ 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
+ 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
+ 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
+ 						      \$helper->{'VARS'}{'CODE_OPTION'});
+ 	   } else {
+ 	       return undef;	# Other forces control us.
+ 	   }
+         </validator>
+     </string>
+     <message></td></tr><tr><td></message>
+         $code_selection
+     <message></td></tr></table></message>
+     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
+     <message><b>Select saved CODEs:</b></message>
+     <message></td><td></message>
+     <dropdown variable="REUSE_OLD_CODES">
+         $namechoice
+     </dropdown>
+     <message></td></tr></table></message>
+   </state>
+     $resource_selector
+ CHOOSE_ANON2
+     }
+     # FIXME: That RE should come from a library somewhere.
+     if (($perm{'pav'}
+ 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
+ 	&& (defined($helper->{'VARS'}->{'construction'})
+ 	    ||
+ 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
+ 	     &&
+ 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
+ 	    ))
+ 	&& $helper->{VARS}->{'assignment'} eq ""
+ 	) {
+ 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
+         push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
+         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
+   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
+     <files variable="FILES" multichoice='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filechoice>return '$subdir';</filechoice>
+ CHOOSE_FROM_SUBDIR
+         # this is broken up because I really want interpolation above,
+         # and I really DON'T want it below
+         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
+       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
+ 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
+       </filefilter>
+       </files>
+     </state>
+ CHOOSE_FROM_SUBDIR
+         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
+     }
+     # Allow the user to select any sequence in the course, feed it to
+     # another resource selector for that sequence
+     if (!$helper->{VARS}->{'construction'} && !$is_published) {
+ 	push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
+ 			      'select_sequences', 'CHOOSE_SEQUENCE'];
+ 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
+ 	#Escape apostrophes and backslashes for Perl
+ 	$escapedSequenceName =~ s/\\/\\\\/g;
+ 	$escapedSequenceName =~ s/'/\\'/g;
+ 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
+   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
+     <message>Select the sequence to print resources from:</message>
+     <resource variable="SEQUENCE">
+       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
+       <filterfunc>return \$res->is_sequence;</filterfunc>
+       <valuefunc>return $urlValue;</valuefunc>
+       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
+ 	</choicefunc>
+       </resource>
+     </state>
+   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
+     <message>(mark desired resources then click "next" button) <br /></message>
+     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
+               closeallpages="1">
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isNotMap</filterfunc>
+       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
+       <valuefunc>return $symbFilter;</valuefunc>
+       $start_new_option
+       </resource>
+     </state>
+ CHOOSE_FROM_ANY_SEQUENCE
+ }
+     # Generate the first state, to select which resources get printed.
+     Apache::lonhelper::state->new("START", "Select Printing Options:");
+     $paramHash = Apache::lonhelper::getParamHash();
+     $paramHash->{MESSAGE_TEXT} = "";
+     Apache::lonhelper::message->new();
+     $paramHash = Apache::lonhelper::getParamHash();
+     $paramHash->{'variable'} = 'PRINT_TYPE';
+     $paramHash->{CHOICES} = $printChoices;
+     Apache::lonhelper::choices->new();
+     my $startedTable = 0; # have we started an HTML table yet? (need
+                           # to close it later)
+     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or
+ 	($helper->{VARS}->{'construction'} eq '1')) {
+ 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
+         $paramHash = Apache::lonhelper::getParamHash();
+ 	$paramHash->{'variable'} = 'ANSWER_TYPE';
+ 	$helper->declareVar('ANSWER_TYPE');
+         $paramHash->{CHOICES} = [
+                                    ['Without Answers', 'yes'],
+                                    ['With Answers', 'no'],
+                                    ['Only Answers', 'only']
+                                 ];
+         Apache::lonhelper::dropdown->new();
+ 	addMessage("</td></tr>");
+ 	$startedTable = 1;
+     }
+     if ($perm{'pav'}) {
+ 	if (!$startedTable) {
+ 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
+ 	    $startedTable = 1;
  	} else {
- 	    $ENV{'form.phase'} = 'four';
+ 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
  	}
+         $paramHash = Apache::lonhelper::getParamHash();
+ 	$paramHash->{'variable'} = 'LATEX_TYPE';
+ 	$helper->declareVar('LATEX_TYPE');
+ 	if ($helper->{VARS}->{'construction'} eq '1') {
+ 	    $paramHash->{CHOICES} = [
+ 				     ['standard LaTeX mode', 'standard'],
+ 				     ['LaTeX batchmode', 'batchmode'], ];
+ 	} else {
+ 	    $paramHash->{CHOICES} = [
+ 				     ['LaTeX batchmode', 'batchmode'],
+ 				     ['standard LaTeX mode', 'standard'] ];
+ 	}
+         Apache::lonhelper::dropdown->new();
+ 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
+         $paramHash = Apache::lonhelper::getParamHash();
+ 	$paramHash->{'variable'} = 'TABLE_CONTENTS';
+ 	$helper->declareVar('TABLE_CONTENTS');
+         $paramHash->{CHOICES} = [
+                                    ['No', 'no'],
+                                    ['Yes', 'yes'] ];
+         Apache::lonhelper::dropdown->new();
+ 	addMessage("</td></tr>");
+ 	if (not $helper->{VARS}->{'construction'}) {
+ 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
+ 	    $paramHash = Apache::lonhelper::getParamHash();
+ 	    $paramHash->{'variable'} = 'TABLE_INDEX';
+ 	    $helper->declareVar('TABLE_INDEX');
+ 	    $paramHash->{CHOICES} = [
+ 				     ['No', 'no'],
+ 				     ['Yes', 'yes'] ];
+ 	    Apache::lonhelper::dropdown->new();
+ 	    addMessage("</td></tr>");
+ 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
+ 	    $paramHash = Apache::lonhelper::getParamHash();
+ 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
+ 	    $helper->declareVar('PRINT_DISCUSSIONS');
+ 	    $paramHash->{CHOICES} = [
+ 				     ['No', 'no'],
+ 				     ['Yes', 'yes'] ];
+ 	    Apache::lonhelper::dropdown->new();
+ 	    addMessage("</td></tr>");
+ 	    addMessage("<tr><td align = 'right'>  </td><td>");
+ 	    $paramHash = Apache::lonhelper::getParamHash();
+ 	    $paramHash->{'multichoice'} = "true";
+ 	    $paramHash->{'allowempty'}  = "true";
+ 	    $paramHash->{'variable'}   = "showallfoils";
+ 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
+ 	    Apache::lonhelper::choices->new();
+ 	    addMessage("</td></tr>");
+ 	}
+ 	if ($helper->{'VARS'}->{'construction'}) {
+ 	    my $stylevalue=$env{'construct.style'};
+ 	    my $xmlfrag .= <<"RNDSEED";
+ 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
+ 	    <string variable="curseed" size="15" maxlength="15">
+ 		<defaultvalue>
+ 	            return $helper->{VARS}->{'curseed'};
+ 	        </defaultvalue>
+ 	    </string>
+ 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
+              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
+ 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
+                 <choice computer="1">Show all foils?</choice>
+              </choices>
+ 	     <message></td></tr></message>
+ RNDSEED
+             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
+ 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
+ 	}
      }
- #-- core part
-     if ($ENV{'form.phase'} eq 'four') {
- 	&output_data($r);
+     if ($startedTable) {
+ 	addMessage("</table>");
      }
+     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());
+     if ($helper->{STATE} eq 'START') {
+ 	&recently_generated($r);
+     }
+     &Apache::lonhelper::unregisterHelperTags();
      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;
+ use Apache::lonlocal;
+ use Apache::lonnet;
+ my $maxColumns = 2;
+ # it'd be nice if these all worked
+ #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
+ #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
+ #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
+ #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
+ my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
+ 		 "a4 [210x297 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'};
+     my $PageLayout=&mt('Page layout');
+     my $NumberOfColumns=&mt('Number of columns');
+     my $PaperType=&mt('Paper type');
+     $result .= <<STATEHTML;
+ <hr width="33%" />
+ <table cellpadding="3">
+   <tr>
+     <td align="center"><b>$PageLayout</b></td>
+     <td align="center"><b>$NumberOfColumns</b></td>
+     <td align="center"><b>$PaperType</b></td>
+   </tr>
+   <tr>
+     <td>
+       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
+       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
+     </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";
+     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
+     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
+     $DefaultPaperSize=~s/\s//g;
+     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
+     $i = 0;
+     foreach (@paperSize) {
+ 	$_=~/(\w+)/;
+ 	my $papersize=$1;
+         if ($paperSize[$i]=~/$DefaultPaperSize/) {
+             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
+         } else {
+             $result .= "<option value='$papersize'>" . $paperSize[$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;
+ use Apache::lonnet;
+ no strict;
+ @ISA = ("Apache::lonhelper::element");
+ use strict;
- #### Test block
+ sub new {
- #    my $ere;
+     my $self = Apache::lonhelper::element->new();
- #    foreach $ere (%ENV) {
- #	$result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
+     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;
+     $self->{NEXTSTATE} = shift;
+     bless($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 /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
+     }
+     my $format = $helper->{VARS}->{$self->{'formatvar'}};
+     # Use format to get sensible defaults for the margins:
+     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
+     ($papersize)                      = split(/ /, $papersize);
+     if ($laystyle eq 'L') {
+ 	$laystyle = 'album';
+     } else {
+ 	$laystyle = 'book';
+     }
+     my %size;
+     ($size{'width_and_units'},
+      $size{'height_and_units'},
+      $size{'margin_and_units'})=
+ 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
+     foreach my $dimension ('width','height','margin') {
+ 	($size{$dimension},$size{$dimension.'_unit'}) =
+ 	    split(/ +/, $size{$dimension.'_and_units'},2);
+ 	foreach my $unit ('cm','in') {
+ 	    $size{$dimension.'_options'} .= '<option ';
+ 	    if ($size{$dimension.'_unit'} eq $unit) {
+ 		$size{$dimension.'_options'} .= 'selected="selected" ';
+ 	    }
+ 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
+ 	}
+     }
+     # Adjust margin for LaTeX margin: .. requires units == cm or in.
+     if ($size{'margin_unit'} eq 'in') {
+ 	$size{'margin'} += 1;
+     }  else {
+ 	$size{'margin'} += 2.54;
+     }
+     $result .= <<ELEMENTHTML;
+ <p>How should each column be formatted?</p>
+ <table cellpadding='3'>
+   <tr>
+     <td align='right'><b>Width</b>:</td>
+     <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
+     <td align='left'>
+       <select name='$var.widthunit'>
+       $size{'width_options'}
+       </select>
+     </td>
+   </tr>
+   <tr>
+     <td align='right'><b>Height</b>:</td>
+     <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
+     <td align='left'>
+       <select name='$var.heightunit'>
+       $size{'height_options'}
+       </select>
+     </td>
+   </tr>
+   <tr>
+     <td align='right'><b>Left margin</b>:</td>
+     <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
+     <td align='left'>
+       <select name='$var.lmarginunit'>
+       $size{'margin_options'}
+       </select>
+     </td>
+   </tr>
+ </table>
+ <!--<p>Hint: Some instructors like to leave scratch space for the student by
+ making the width much smaller than the width of the page.</p>-->
+ ELEMENTHTML
+     return $result;
+ }
+ sub preprocess {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $format = $helper->{VARS}->{$self->{'formatvar'}};
+     #  If the user does not have 'pav' privilege, set default widths and
+     #  on to the next state right away.
+     #
+     if (!$perm{'pav'}) {
+ 	my $var = $self->{'variable'};
+ 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
+ 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
+ 	($papersize)                      = split(/ /, $papersize);
+ 	if ($laystyle eq 'L') {
+ 	    $laystyle = 'album';
+ 	} else {
+ 	    $laystyle = 'book';
+ 	}
+ 	#  Figure out some good defaults for the print out and set them:
+ 	my %size;
+ 	($size{'width'},
+ 	 $size{'height'},
+ 	 $size{'lmargin'})=
+ 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
+ 	foreach my $dim ('width', 'height', 'lmargin') {
+ 	    my ($value, $units) = split(/ /, $size{$dim});
+ 	    $helper->{VARS}->{"$var.".$dim}      = $value;
+ 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
+ 	}
+ 	# Transition to the next state
+ 	$helper->changeState($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]*)?$/) {
+         $error .= "Invalid left margin; please type only a number.<br />\n";
+     } else {
+ 	# Adjust for LaTeX 1.0 inch margin:
+ 	if ($env{"form.${var}.lmarginunit"} eq "in") {
+ 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
+ 	} else {
+ 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
+ 	}
+     }
+     if (!$error) {
+         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
+         return 1;
+     } else {
+         $self->{ERROR_MSG} = $error;
+         return 0;
+     }
+ }
+ __END__

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