Diff for /loncom/interface/lonprintout.pm between versions 1.536.2.3 and 1.575.2.1

version 1.536.2.3, 2008/10/02 17:40:34 version 1.575.2.1, 2010/05/10 10:21:24
Line 1 Line 1
   #
 # The LearningOnline Network  # The LearningOnline Network
 # Printout  # Printout
 #  #
Line 26 Line 27
 #  #
 #  #
 package Apache::lonprintout;  package Apache::lonprintout;
   
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::lonxml;  use Apache::lonxml;
Line 40  use Apache::lonnavmaps; Line 40  use Apache::lonnavmaps;
 use Apache::admannotations;  use Apache::admannotations;
 use Apache::lonenc;  use Apache::lonenc;
 use Apache::entities;  use Apache::entities;
   use Apache::londefdef;
   
   use File::Basename;
   
 use HTTP::Response;  use HTTP::Response;
   
Line 56  my $resources_printed; Line 59  my $resources_printed;
 # Global variables that describe errors in ssi calls detected  by ssi_with_retries.  # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
 #  #
   
 my $ssi_error; # True if there was an ssi error.  my $ssi_error;                  # True if there was an ssi error.
 my $ssi_last_error_resource; # The resource URI that could not be fetched.  my $ssi_last_error_resource;    # The resource URI that could not be fetched.
 my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).  my $ssi_last_error
     ;    # The error text from the server. (e.g. 500 Server timed out).
   
 #  #
 #  Our ssi max retry count.  #  Our ssi max retry count.
 #  #
   
 my $ssi_retry_count = 5; # Some arbitrary value.  my $ssi_retry_count = 5;    # Some arbitrary value.
   
   #  Font size:
   
   my $font_size = 'normalsize';    # Default is normalsize...
   
   #----------------------------  Helper helpers. -------------------------
   
   #  Returns the text needd for a student chooser.
   #  that text must still be parsed by the helper xml parser.
   # Parameters:
   #   this_state   - State name of the chooser.
   #   sort_choice  - variable to hold the sorting choice.
   #   variable     - Name of variable to hold students.
   #   next_state   - State after chooser.
   
   sub generate_student_chooser {
       my ( $this_state, $sort_choice, $variable, $next_state ) = @_;
       my $result = <<CHOOSE_STUDENTS;
     <state name="$this_state" title="Select Students and Resources">
         <message><b>Select sorting order of printout</b> </message>
   
       <choices variable="$sort_choice">
         <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="$variable" 
                  nextstate="$next_state" 
                  coursepersonnel="1" />
     </state>
   
   CHOOSE_STUDENTS
   
       return $result;
   }
   
   # Generate the text needed for a resource chooser given the top level of
   # the sequence/page
   #
   # Parameters:
   #     this_state    - State name of the chooser.
   #     prompt_text   - Text to use to prompt user.
   #     resource_options - Resource tag options e.g.
   #                        "multichoice='1', toponly='1', addstatus='1'"
   #                     that control the selection and appearance of the
   #                     resource selector.
   #     variable      - Name of the variable to hold the choice
   #     next_state    - Name of the next state the helper should transition
   #                     to
   #     top_url       - Top level URL within which to make the selector.
   #                     If empty the top level sequence is shown.
   #     filter        - How to filter the resources.
   #     value_func    - <valuefunc> function.
   #     choice_func   - If not empty generates a <choicefunc> with this function.
   #     start_new_option
   #                   - Fragment appended after valuefunc.
   #
   #
   sub generate_resource_chooser {
       my (
           $this_state, $prompt_text, $resource_options,
           $variable,   $next_state,  $top_url,
           $filter,     $choice_func, $value_func,
           $start_new_option
       ) = @_;
   
       my $result = <<CHOOSE_RESOURCES;
   <state name="$this_state" title="$prompt_text">
       <resource variable="$variable" $resource_options
                 closeallpages="1">
         <nextstate>$next_state</nextstate>
         <filterfunc>return $filter;</filterfunc>
   CHOOSE_RESOURCES
       if ( $choice_func ne '' ) {
           $result .= "<choicefunc>return $choice_func;</choicefunc>";
       }
       if ( $top_url ne '' ) {
           $result .= "<mapurl>$top_url</mapurl>";
       }
       $result .= <<CHOOSE_RESOURCES;
         <valuefunc>return $value_func;</valuefunc>
         $start_new_option
         </resource>
       </state>
   CHOOSE_RESOURCES
   
       return $result;
   }
   
   #
   #   Generate the helper XML for a code choice helper dialog:
   #
   # Paramters:
   #   $helper       - Reference to the helper.
   #   $state        - Name of the state for the chooser.
   #   $next_state   - Name fo the state to follow the chooser.
   #   $bubble_types - Populates the bubble sheet type dropt down.
   #   $code_selections - Provides set of code choices that have been used
   #   $saved_codes  - Provides the list of saved codes.
   #
   # Returns;
   #   The Xml of the code chooser.
   #
   sub generate_code_selector {
       my ( $helper, $state, $next_state, $bubble_types, $code_selections,
           $saved_codes )
         = @_;    # Unpack the parameters.
   
       my $result = <<CHOOSE_ANON1;
     <state name="$state" title="Specify CODEd Assignments">
       <nextstate>$next_state</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 save 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">
       $bubble_types
       </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_selections
       <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">
           $saved_codes
       </dropdown>
       <message></td></tr></table></message>
     </state>
   CHOOSE_ANON1
   
       return $result;
   }
   
   #-----------------------------------------------------------------------
   
 # Fetch the contents of a resource, uninterpreted.  # Fetch the contents of a resource, uninterpreted.
 # This is used here to fetch a latex file to be included  # This is used here to fetch a latex file to be included
Line 79  my $ssi_retry_count = 5; # Some arbitrar Line 252  my $ssi_retry_count = 5; # Some arbitrar
 sub fetch_raw_resource {  sub fetch_raw_resource {
     my ($url) = @_;      my ($url) = @_;
   
     my $filename  = &Apache::lonnet::filelocation("", $url);      my $filename = &Apache::lonnet::filelocation( "", $url );
     my $contents  = &Apache::lonnet::getfile($filename);      my $contents = &Apache::lonnet::getfile($filename);
   
     if ($contents == -1) {      if ( $contents == -1 ) {
  return "File open failed for $filename";      # This will bomb the print.          return "File open failed for $filename";    # This will bomb the print.
     }      }
     return $contents;      return $contents;
   
       
 }  }
   
 #  Fetch the annotations associated with a URL and   #  Fetch the annotations associated with a URL and
 #  put a centered 'annotations:' title.  #  put a centered 'annotations:' title.
 #  This is all suppressed if the annotations are empty.  #  This is all suppressed if the annotations are empty.
 #  #
 sub annotate {  sub annotate {
     my ($symb) = @_;      my ($symb) = @_;
   
     my $annotation_text = &Apache::admannotations::get_annotation($symb, 1);      my $annotation_text = &Apache::loncommon::get_annotation( $symb, 1 );
   
   
     my $result = "";      my $result = "";
   
     if (length($annotation_text) > 0) {      if ( length($annotation_text) > 0 ) {
  $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';          $result .=
  $result .= "\n";            '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
  $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.          $result .= "\n";
  $result .= "\n\n";          $result .=
             &Apache::lonxml::latex_special_symbols( $annotation_text, "" )
             ;    # Escape latex.
           $result .= "\n\n";
     }      }
     return $result;      return $result;
 }  }
   
   #
   #   Set a global document font size:
   #   This is done by replacing \begin{document}
   #   with \begin{document}{\some-font-directive
   #   and \end{document} with
   #   }\end{document
   #
   sub set_font_size {
   
       my ($text) = @_;
   
       # There appear to be cases where the font directive is empty.. in which
       # case the first substituion would  insert a spurious \ oh happy day.
       # as this has been the cause of much mystery and hair pulling _sigh_
   
       if ( $font_size ne '' ) {
   
           $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
       }
       $text =~ s/\\end{document}/}\\end{document}/;
       return $text;
   
   }
   
   # include_pdf - PDF files are included into the
   # output as follows:
   #  - The PDF, if necessary, is replicated.
   #  - The PDF is added to the list of files to convert to postscript (along with the images).
   #  - The LaTeX is added to include the final converted postscript in the file as an included
   #    job.  The assumption is that the includedpsheader.ps header will be included.
   #
   # Parameters:
   #   pdf_uri   - URI of the PDF file to include.
 #  #
 #   ssi_with_retries - Does the server side include of a resource.  # Returns:
   #  The LaTeX to include.
   #
   # Assumptions:
   #    The uri is actually a PDF file
   #    The postscript will have the includepsheader.ps included.
   #
   #
   sub include_pdf {
       my ($pdf_uri) = @_;
   
       # Where is the file? If not local we'll need to repcopy it:'
   
       my $file = &Apache::lonnet::filelocation( '', $pdf_uri );
       if ( !-e $file ) {
           &Apache::lonnet::repcopy($file);
           $file = &Apache::lonnet::filelocation( '', $pdf_uri );
       }
   
     #  The file isn ow replicated locally.. or it did not exist in the first place
     # (unlikely).  If it did exist, add the pdf to the set of files/images that
     # need tob e converted for this print job:
   
       $file =~ s|(.*)/res/|/home/httpd/html/res/|;
   
       open( FILE,
   ">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"
       );
       print FILE ("$file\n");
       close(FILE);
   
       # Construct the special to put out.  To do this we need to get the
       # resulting filename after conversion.  The file will have the same name
       # but will be in the user's spool directory with converted images.
   
       my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
       my ( $base, $path, $ext ) = &fileparse( $file, '.pdf' );
   
   #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
       $base =~ s/ /\_/g;
   
       my $output = &print_latex_header();
       $output .=
         '\special{ps: _begin_job_ (' . $base . '.pdf.eps' . ')run _end_job_}';
   
       return $output;
   
   }
   
   #
   #   ssi_with_retries- Does the server side include of a resource.
 #                      if the ssi call returns an error we'll retry it up to  #                      if the ssi call returns an error we'll retry it up to
 #                      the number of times requested by the caller.  #                      the number of times requested by the caller.
 #                      If we still have a proble, no text is appended to the  #                      If we still have a proble, no text is appended to the
 #                      output and we set some global variables.  #                      output and we set some global variables.
 #                      to indicate to the caller an SSI error occurred.    #                      to indicate to the caller an SSI error occurred.
 #                      All of this is supposed to deal with the issues described  #                      All of this is supposed to deal with the issues described
 #                      in LonCAPA BZ 5631 see:  #                      in LonCAPA BZ 5631 see:
 #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631  #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
Line 128  sub annotate { Line 384  sub annotate {
 #   resource   - The resource to include.  This is passed directly, without  #   resource   - The resource to include.  This is passed directly, without
 #                interpretation to lonnet::ssi.  #                interpretation to lonnet::ssi.
 #   form       - The form hash parameters that guide the interpretation of the resource  #   form       - The form hash parameters that guide the interpretation of the resource
 #                  #
 #   retries    - Number of retries allowed before giving up completely.  #   retries    - Number of retries allowed before giving up completely.
 # Returns:  # Returns:
 #   On success, returns the rendered resource identified by the resource parameter.  #   On success, returns the rendered resource identified by the resource parameter.
Line 144  sub annotate { Line 400  sub annotate {
 #                               in the event of an error.  #                               in the event of an error.
 #  #
 sub ssi_with_retries {  sub ssi_with_retries {
     my ($resource, $retries, %form) = @_;      my ( $resource, $retries, %form ) = @_;
   
       my $target = $form{'grade_target'};
       my $aom    = $form{'answer_output_mode'};
   
     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);      my ( $content, $response ) =
     if (!$response->is_success) {        &Apache::loncommon::ssi_with_retries( $resource, $retries, %form );
  $ssi_error               = 1;      if ( !$response->is_success ) {
  $ssi_last_error_resource = $resource;          $ssi_error               = 1;
  $ssi_last_error          = $response->code . " " . $response->message;          $ssi_last_error_resource = $resource;
         $content='\section*{!!! An error occurred !!!}';          $ssi_last_error          = $response->code . " " . $response->message;
  &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");          $content                 = '\section*{!!! An error occurred !!!}';
           &Apache::lonnet::logthis(
               "Error in SSI resource: $resource Error: $ssi_last_error");
     }      }
   
     return $content;      return $content;
Line 161  sub ssi_with_retries { Line 421  sub ssi_with_retries {
 }  }
   
 sub get_student_view_with_retries {  sub get_student_view_with_retries {
     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;      my (
           $curresline, $retries, $username, $userdomain,
     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);          $courseid,   $target,  $moreenv
     if (!$response->is_success) {      ) = @_;
         $ssi_error               = 1;  
         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;      my ( $content, $response ) =
         $ssi_last_error          = $response->code . " " . $response->message;        &Apache::loncommon::get_student_view_with_retries(
         $content='\section*{!!! An error occurred !!!}';          $curresline, $retries, $username, $userdomain,
         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");          $courseid,   $target,  $moreenv
         );
       if ( !$response->is_success ) {
           $ssi_error = 1;
           $ssi_last_error_resource =
             $curresline . ' for user ' . $username . ':' . $userdomain;
           $ssi_last_error = $response->code . " " . $response->message;
           $content        = '\section*{!!! An error occurred !!!}';
           &Apache::lonnet::logthis(
   "Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain"
           );
     }      }
     return $content;      return $content;
   
Line 177  sub get_student_view_with_retries { Line 447  sub get_student_view_with_retries {
   
 #  #
 #   printf_style_subst  item format_string repl  #   printf_style_subst  item format_string repl
 #    #
 # Does printf style substitution for a format string that  # Does printf style substitution for a format string that
 # can have %[n]item in it.. wherever, %[n]item occurs,  # can have %[n]item in it.. wherever, %[n]item occurs,
 # rep is substituted in format_string.  Note that  # rep is substituted in format_string.  Note that
 # [n] is an optional integer length.  If provided,  # [n] is an optional integer length.  If provided,
 # repl is truncated to at most [n] characters prior to   # repl is truncated to at most [n] characters prior to
 # substitution.  # substitution.
 #  #
 sub printf_style_subst {  sub printf_style_subst {
     my ($item, $format_string, $repl) = @_;      my ( $item, $format_string, $repl ) = @_;
     my $result = "";      my $result = "";
     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {      while ( $format_string =~ /(%)(\d*)\Q$item\E/g ) {
  my $fmt = $1;          my $fmt   = $1;
  my $size = $2;          my $size  = $2;
  my $subst = $repl;          my $subst = $repl;
  if ($size ne "") {          if ( $size ne "" ) {
     $subst = substr($subst, 0, $size);              $subst = substr( $subst, 0, $size );
       
     #  Here's a nice edge case.. supose the end of the              #  Here's a nice edge case.. supose the end of the
     #  substring is a \.  In that case may have  just              #  substring is a \.  In that case may have  just
     #  chopped off a TeX escape... in that case, we append              #  chopped off a TeX escape... in that case, we append
     #   " " for the trailing character, and let the field               #   " " for the trailing character, and let the field
     #  spill over a bit (sigh).              #  spill over a bit (sigh).
     #  We don't just chop off the last character in order to deal              #  We don't just chop off the last character in order to deal
     #  with one last pathology, and that would be if substr had              #  with one last pathology, and that would be if substr had
     #  trimmed us to e.g. \\\                #  trimmed us to e.g. \\\
   
               if ( $subst =~ /\\$/ ) {
     if ($subst =~ /\\$/) {                  $subst .= " ";
  $subst .= " ";              }
     }          }
  }          my $item_pos = pos($format_string);
  my $item_pos = pos($format_string);          $result .=
  $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;            substr( $format_string, 0, $item_pos - length($size) - 2 ) . $subst;
         $format_string = substr($format_string, pos($format_string));          $format_string = substr( $format_string, pos($format_string) );
     }      }
   
     # Put the residual format string into the result:      # Put the residual format string into the result:
Line 221  sub printf_style_subst { Line 491  sub printf_style_subst {
     return $result;      return $result;
 }  }
   
   # Format a header according to a format.
 # Format a header according to a format.    #
 #   
   
 # Substitutions:  # Substitutions:
 #     %a    - Assignment name.  #     %a    - Assignment name.
 #     %c    - Course name.  #     %c    - Course name.
 #     %n    - Student name.  #     %n    - Student name.
   #     %s    - The section if it is supplied.
 #  #
 sub format_page_header {  sub format_page_header {
     my ($width, $format, $assignment, $course, $student) = @_;      my ( $width, $format, $assignment, $course, $student, $section ) = @_;
       
     $width = &recalcto_mm($width); # Get width in mm.      $width = &recalcto_mm($width);    # Get width in mm.
       my $chars_per_line = int( $width / 1.6 );    # Character/textline.
   
     #  Default format?      #  Default format?
   
     if ($format eq '') {      if ( $format eq '' ) {
  # For the default format, we may need to truncate  
  # elements..  To do this we need to get the page width.          # For the default format, we may need to truncate
  # we assume that each character is about 2mm in width.          # elements..  To do this we need to get the page width.
  # (correct for the header text size??).  We ignore          # we assume that each character is about 2mm in width.
  # any formatting (e.g. boldfacing in this).          # (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 student/course to be one line.
  # - Allow the assignment to be 2 lines (wrapped).          #   but only truncate the course.
  #          # - Allow the assignment to be 2 lines (wrapped).
  my $chars_per_line = $width/2; # Character/textline.          #
   
           my $name_length = int( $chars_per_line * 3 / 4 );
  my $firstline = "$student $course";          my $sec_length  = int( $chars_per_line / 5 );
  if (length($firstline) > $chars_per_line) {  
     my $lastchar = $chars_per_line - length($student) - 1;          $format = "%$name_length" . 'n';
     if ($lastchar > 0) {  
  $course = substr($course, 0, $lastchar);          if ($section) {
     } else { # Nothing left of course:              $format .= ' - Sec: ' . "%$sec_length" . 's';
  $course = '';          }
     }  
  }          $format .= '\\\\%c \\\\ %a';
  if (length($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!!!  
   
       }
   
       # 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 );
       $format = &printf_style_subst( "s", $format, $section );
   
       # 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 the user has role author, $course and $assignment are empty so
       # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
       if ( $format =~ /\\\\\s\\\\\s/ ) {
   
           #TODO find sensible caption for page header
           my $testPrintout =
             '\\\\' . &mt('Construction Space') . ' \\\\' . &mt('Test-Printout ');
           $format =~ s/\\\\\s\\\\\s/$testPrintout/;
       }
   
       #
       #  We're going to trust LaTeX to break lines appropriately, but
       #  we'll truncate anything that's more than 3 lines worth of
       # text.  This is also assuming (which will probably end badly)
       # nobody's going to embed LaTeX control sequences in the title
       # header or rather that those control sequences won't get broken
       # by the stuff below.
       #
       my $total_length = 3 * $chars_per_line;
       if ( length($format) > $total_length ) {
           $format = substr( $format, 0, $total_length );
     }      }
       
   
     return $format;      return $format;
       
 }  }
   
 #  #
Line 291  sub format_page_header { Line 579  sub format_page_header {
 #  #
 sub num_to_letters {  sub num_to_letters {
     my ($num) = @_;      my ($num) = @_;
     my @nums= split('',$num);      my @nums = split( '', $num );
     my @num_to_let=('A'..'Z');      my @num_to_let = ( 'A' .. 'Z' );
     my $word;      my $word;
     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }      foreach my $digit (@nums) { $word .= $num_to_let[$digit]; }
     return $word;      return $word;
 }  }
   
 #   Convert a letter code to numeric.  #   Convert a letter code to numeric.
 #  #
 sub letters_to_num {  sub letters_to_num {
     my ($letters) = @_;      my ($letters) = @_;
     my @letters = split('', uc($letters));      my @letters = split( '', uc($letters) );
    my %substitution;      my %substitution;
     my $digit = 0;      my $digit = 0;
     foreach my $letter ('A'..'J') {      foreach my $letter ( 'A' .. 'J' ) {
  $substitution{$letter} = $digit;          $substitution{$letter} = $digit;
  $digit++;          $digit++;
     }      }
   
     #  The substitution is done as below to preserve leading      #  The substitution is done as below to preserve leading
     #  zeroes which are needed to keep the code size exact      #  zeroes which are needed to keep the code size exact
     #      #
     my $result ="";      my $result = "";
     foreach my $letter (@letters) {      foreach my $letter (@letters) {
  $result.=$substitution{$letter};          $result .= $substitution{$letter};
     }      }
     return $result;      return $result;
 }  }
Line 327  sub letters_to_num { Line 617  sub letters_to_num {
 #     num_digits - Number of digits required.  #     num_digits - Number of digits required.
 #  #
 sub is_valid_numeric_code {  sub is_valid_numeric_code {
     my ($value, $num_digits) = @_;      my ( $value, $num_digits ) = @_;
   
     #   Remove leading/trailing whitespace;      #   Remove leading/trailing whitespace;
     $value =~ s/^\s*//g;      $value =~ s/^\s*//g;
     $value =~ s/\s*$//g;      $value =~ s/\s*$//g;
       
     #  All digits?      #  All digits?
     if ($value !~ /^[0-9]+$/) {      if ( $value !~ /^[0-9]+$/ ) {
  return "Numeric code $value has invalid characters - must only be digits";          return
     }            "Numeric code $value has invalid characters - must only be digits";
     if (length($value) != $num_digits) {      }
  return "Numeric code $value incorrect number of digits (correct = $num_digits)";      if ( length($value) != $num_digits ) {
           return
   "Numeric code $value incorrect number of digits (correct = $num_digits)";
     }      }
     return undef;      return undef;
 }  }
   
 #   Determines if a code is a valid alhpa code.  Alpha codes  #   Determines if a code is a valid alhpa code.  Alpha codes
 #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.  #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
 #   They also have a correct digit count.  #   They also have a correct digit count.
Line 351  sub is_valid_numeric_code { Line 645  sub is_valid_numeric_code {
 #    leading and trailing whitespace are ignored.  #    leading and trailing whitespace are ignored.
 #  #
 sub is_valid_alpha_code {  sub is_valid_alpha_code {
     my ($value, $num_letters) = @_;      my ( $value, $num_letters ) = @_;
       
      # strip leading and trailing spaces.      # strip leading and trailing spaces.
   
     $value =~ s/^\s*//g;      $value =~ s/^\s*//g;
     $value =~ s/\s*$//g;      $value =~ s/\s*$//g;
   
     #  All alphas in the right range?      #  All alphas in the right range?
     if ($value !~ /^[A-J,a-j]+$/) {      if ( $value !~ /^[A-J,a-j]+$/ ) {
  return "Invalid letter code $value must only contain A-J";          return "Invalid letter code $value must only contain A-J";
     }      }
     if (length($value) != $num_letters) {      if ( length($value) != $num_letters ) {
  return "Letter code $value has incorrect number of letters (correct = $num_letters)";          return
   "Letter code $value has incorrect number of letters (correct = $num_letters)";
     }      }
     return undef;      return undef;
 }  }
   
 #   Determine if a code entered by the user in a helper is valid.  #   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.  #   valid depends on the code type and the type of code selected.
 #   The type of code selected can either be numeric or   #   The type of code selected can either be numeric or
 #   Alphabetic.  If alphabetic, the code, in fact is a simple  #   Alphabetic.  If alphabetic, the code, in fact is a simple
 #   substitution cipher for the actual numeric code: 0->A, 1->B ...  #   substitution cipher for the actual numeric code: 0->A, 1->B ...
 #   We'll be nice and be case insensitive for alpha codes.  #   We'll be nice and be case insensitive for alpha codes.
Line 383  sub is_valid_alpha_code { Line 678  sub is_valid_alpha_code {
 #    other         - An error message indicating what's wrong.  #    other         - An error message indicating what's wrong.
 #  #
 sub is_code_valid {  sub is_code_valid {
     my ($code_value, $code_option) = @_;      my ( $code_value, $code_option ) = @_;
     my ($code_type, $code_length) = ('letter', 6); # defaults.      my ( $code_type, $code_length ) = ( 'letter', 6 );    # defaults.
     my @lines = &Apache::grades::get_scantronformat_file();      my @lines = &Apache::grades::get_scantronformat_file();
     foreach my $line (@lines) {      foreach my $line (@lines) {
  my ($name, $type, $length) = (split(/:/, $line))[0,2,4];          my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ];
  if($name eq $code_option) {          if ( $name eq $code_option ) {
     $code_length = $length;              $code_length = $length;
     if($type eq 'number') {              if ( $type eq 'number' ) {
  $code_type = 'number';                  $code_type = 'number';
     }              }
  }          }
     }      }
     my $valid;      my $valid;
     if ($code_type eq 'number') {      if ( $code_type eq 'number' ) {
  return &is_valid_numeric_code($code_value, $code_length);          return &is_valid_numeric_code( $code_value, $code_length );
     } else {      }
  return &is_valid_alpha_code($code_value, $code_length);      else {
           return &is_valid_alpha_code( $code_value, $code_length );
     }      }
   
 }  }
Line 420  sub is_code_valid { Line 716  sub is_code_valid {
 #  #
 #  #
 sub compare_names {  sub compare_names {
   
     #  First split the names up into the primary fields.      #  First split the names up into the primary fields.
   
     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);      my ( $u1, $d1, $s1, $n1, $stat1 ) = split( /:/, $a );
     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);      my ( $u2, $d2, $s2, $n2, $stat2 ) = split( /:/, $b );
   
     # Now split the last name and first name of each n:      # Now split the last name and first name of each n:
     #      #
   
     my ($l1,$f1) = split(/,/, $n1);      my ( $l1, $f1 ) = split( /,/, $n1 );
     my ($l2,$f2) = split(/,/, $n2);      my ( $l2, $f2 ) = split( /,/, $n2 );
   
     # We don't bother to remove the leading/trailing whitespace from the      # We don't bother to remove the leading/trailing whitespace from the
     # firstname, unless the last names compare identical.      # firstname, unless the last names compare identical.
   
     if($l1 lt $l2) {      if ( $l1 lt $l2 ) {
  return -1;          return -1;
     }      }
     if($l1 gt $l2) {      if ( $l1 gt $l2 ) {
  return  1;          return 1;
     }      }
   
     # Break the tie on the first name, but there are leading (possibly trailing      # Break the tie on the first name, but there are leading (possibly trailing
     # whitespaces to get rid of first       # whitespaces to get rid of first
     #      #
     $f1 =~ s/^\s+//; # Remove leading...      $f1 =~ s/^\s+//;    # Remove leading...
     $f1 =~ s/\s+$//; # Trailing spaces from first 1...      $f1 =~ s/\s+$//;    # Trailing spaces from first 1...
       
     $f2 =~ s/^\s+//;      $f2 =~ s/^\s+//;
     $f2 =~ s/\s+$//; # And the same for first 2...      $f2 =~ s/\s+$//;    # And the same for first 2...
   
     if($f1 lt $f2) {      if ( $f1 lt $f2 ) {
  return -1;          return -1;
     }      }
     if($f1 gt $f2) {      if ( $f1 gt $f2 ) {
  return 1;          return 1;
     }      }
       
     #  Must be the same name.      #  Must be the same name.
   
     return 0;      return 0;
Line 468  sub latex_header_footer_remove { Line 765  sub latex_header_footer_remove {
     $text =~ s/\\documentclass([^&]*)\\begin{document}//;      $text =~ s/\\documentclass([^&]*)\\begin{document}//;
     return $text;      return $text;
 }  }
   
 #  #
 #  If necessary, encapsulate text inside   #  If necessary, encapsulate text inside
 #  a minipage env.  #  a minipage env.
 #  necessity is determined by the problem_split param.  #  necessity is determined by the problem_split param.
 #  #
 sub encapsulate_minipage {  sub encapsulate_minipage {
     my ($text) = @_;      my ($text) = @_;
     if (!($env{'form.problem.split'} =~ /yes/i)) {      if ( !( $env{'form.problem.split'} =~ /yes/i ) ) {
  $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';          $text = '\begin{minipage}{\textwidth}' . $text . '\end{minipage}';
     }      }
     return $text;      return $text;
 }  }
   
 #  #
 #  The NUMBER_TO_PRINT and SPLIT_PDFS  #  The NUMBER_TO_PRINT and SPLIT_PDFS
 #  variables interact, this sub looks at these two parameters  #  variables interact, this sub looks at these two parameters
Line 493  sub adjust_number_to_print { Line 792  sub adjust_number_to_print {
     my $helper = shift;      my $helper = shift;
   
     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};      my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
       
     if ($split_pdf eq 'all') {  
  $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';  
     } elsif ($split_pdf eq 'oneper') {  
  $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;  
     } elsif ($split_pdf eq 'sections') {  
  $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';  
     } elsif ($split_pdf eq 'usenumber') {  
  #  Unmodified.  
     } else {  
  # Error!!!!  
   
  croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";  
   
       if ( $split_pdf eq 'all' ) {
           $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
     }      }
 }      elsif ( $split_pdf eq 'oneper' ) {
           $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
       }
       elsif ( $split_pdf eq 'sections' ) {
           $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
       }
       elsif ( $split_pdf eq 'usenumber' ) {
   
           #  Unmodified.
       }
       else {
   
           # Error!!!!
   
           croak
             "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
   
       }
   }
   
 sub character_chart {  sub character_chart {
     my $result = shift;      my $result = shift;
     return  &Apache::entities::replace_entities($result);      return &Apache::entities::replace_entities($result);
 }  }
   
 sub old_character_chart {  sub old_character_chart {
     my $result = shift;      my $result = shift;
     $result =~ s/&\#0?0?(7|9);//g;      $result =~ s/&\#0?0?(7|9);//g;
     $result =~ s/&\#0?(10|13);//g;      $result =~ s/&\#0?(10|13);//g;
     $result =~ s/&\#0?32;/ /g;      $result =~ s/&\#0?32;/ /g;
Line 525  sub old_character_chart { Line 830  sub old_character_chart {
     $result =~ s/&(\#0?34|quot);/\"/g;      $result =~ s/&(\#0?34|quot);/\"/g;
     $result =~ s/&\#0?35;/\\\#/g;      $result =~ s/&\#0?35;/\\\#/g;
     $result =~ s/&\#0?36;/\\\$/g;      $result =~ s/&\#0?36;/\\\$/g;
     $result =~ s/&\#0?37;/\\%/g;       $result =~ s/&\#0?37;/\\%/g;
     $result =~ s/&(\#0?38|amp);/\\&/g;       $result =~ s/&(\#0?38|amp);/\\&/g;
     $result =~ s/&\#(0?39|146);/\'/g;      $result =~ s/&\#(0?39|146);/\'/g;
     $result =~ s/&\#0?40;/(/g;      $result =~ s/&\#0?40;/(/g;
     $result =~ s/&\#0?41;/)/g;      $result =~ s/&\#0?41;/)/g;
Line 633  sub old_character_chart { Line 938  sub old_character_chart {
     $result =~ s/&(\#160|nbsp);/~/g;      $result =~ s/&(\#160|nbsp);/~/g;
     $result =~ s/&(\#161|iexcl);/!\`/g;      $result =~ s/&(\#161|iexcl);/!\`/g;
     $result =~ s/&(\#162|cent);/\\textcent /g;      $result =~ s/&(\#162|cent);/\\textcent /g;
     $result =~ s/&(\#163|pound);/\\pounds /g;       $result =~ s/&(\#163|pound);/\\pounds /g;
     $result =~ s/&(\#164|curren);/\\textcurrency /g;      $result =~ s/&(\#164|curren);/\\textcurrency /g;
     $result =~ s/&(\#165|yen);/\\textyen /g;      $result =~ s/&(\#165|yen);/\\textyen /g;
     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;      $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
Line 659  sub old_character_chart { Line 964  sub old_character_chart {
     $result =~ s/&(\#188|frac14);/\\textonequarter /g;      $result =~ s/&(\#188|frac14);/\\textonequarter /g;
     $result =~ s/&(\#189|frac12);/\\textonehalf /g;      $result =~ s/&(\#189|frac12);/\\textonehalf /g;
     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;      $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
     $result =~ s/&(\#191|iquest);/?\`/g;         $result =~ s/&(\#191|iquest);/?\`/g;
     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;        $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
     $result =~ s/&(\#193|Aacute);/\\\'{A}/g;       $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
     $result =~ s/&(\#194|Acirc);/\\^{A}/g;      $result =~ s/&(\#194|Acirc);/\\^{A}/g;
     $result =~ s/&(\#195|Atilde);/\\~{A}/g;      $result =~ s/&(\#195|Atilde);/\\~{A}/g;
     $result =~ s/&(\#196|Auml);/\\\"{A}/g;       $result =~ s/&(\#196|Auml);/\\\"{A}/g;
     $result =~ s/&(\#197|Aring);/{\\AA}/g;      $result =~ s/&(\#197|Aring);/{\\AA}/g;
     $result =~ s/&(\#198|AElig);/{\\AE}/g;      $result =~ s/&(\#198|AElig);/{\\AE}/g;
     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;      $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;        $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;          $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;      $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
     $result =~ s/&(\#203|Euml);/\\\"{E}/g;      $result =~ s/&(\#203|Euml);/\\\"{E}/g;
     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;      $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;          $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
     $result =~ s/&(\#206|Icirc);/\\^{I}/g;      $result =~ s/&(\#206|Icirc);/\\^{I}/g;
     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;          $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;      $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;      $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;      $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;      $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
     $result =~ s/&(\#213|Otilde);/\\~{O}/g;      $result =~ s/&(\#213|Otilde);/\\~{O}/g;
     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;          $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;      $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
     $result =~ s/&(\#216|Oslash);/{\\O}/g;      $result =~ s/&(\#216|Oslash);/{\\O}/g;
     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;          $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;      $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;      $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;      $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
Line 715  sub old_character_chart { Line 1020  sub old_character_chart {
     $result =~ s/&(\#246|ouml);/\\\"{o}/g;      $result =~ s/&(\#246|ouml);/\\\"{o}/g;
     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;      $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
     $result =~ s/&(\#248|oslash);/{\\o}/g;      $result =~ s/&(\#248|oslash);/{\\o}/g;
     $result =~ s/&(\#249|ugrave);/\\\`{u}/g;       $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
     $result =~ s/&(\#250|uacute);/\\\'{u}/g;      $result =~ s/&(\#250|uacute);/\\\'{u}/g;
     $result =~ s/&(\#251|ucirc);/\\^{u}/g;      $result =~ s/&(\#251|ucirc);/\\^{u}/g;
     $result =~ s/&(\#252|uuml);/\\\"{u}/g;      $result =~ s/&(\#252|uuml);/\\\"{u}/g;
Line 723  sub old_character_chart { Line 1028  sub old_character_chart {
     $result =~ s/&(\#255|yuml);/\\\"{y}/g;      $result =~ s/&(\#255|yuml);/\\\"{y}/g;
     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;      $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;      $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
 #Greek Alphabet  
       #Greek Alphabet
     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;      $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;      $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;      $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
Line 774  sub old_character_chart { Line 1080  sub old_character_chart {
     $result =~ s/&(Chi|\#935);/X/g;      $result =~ s/&(Chi|\#935);/X/g;
     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;      $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;      $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
 #Arrows (extended HTML 4.01)  
       #Arrows (extended HTML 4.01)
     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;      $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;      $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;      $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
Line 785  sub old_character_chart { Line 1092  sub old_character_chart {
     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;      $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;      $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;      $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
 #Mathematical Operators (extended HTML 4.01)  
       #Mathematical Operators (extended HTML 4.01)
     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;      $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;      $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;      $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
Line 824  sub old_character_chart { Line 1132  sub old_character_chart {
     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;      $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;      $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;      $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
 #Geometric Shapes (extended HTML 4.01)  
       #Geometric Shapes (extended HTML 4.01)
     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;      $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
 #Miscellaneous Symbols (extended HTML 4.01)  
       #Miscellaneous Symbols (extended HTML 4.01)
     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;      $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;      $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;      $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;      $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
 #   Chemically useful 'things' contributed by Hon Kie (bug 4652).  
       #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
   
     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;      $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;      $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
Line 852  sub old_character_chart { Line 1163  sub old_character_chart {
     $result =~ s/&(ldquo|#8220);/\`\`/g;      $result =~ s/&(ldquo|#8220);/\`\`/g;
     $result =~ s/&(rdquo|#8221);/\'\'/g;      $result =~ s/&(rdquo|#8221);/\'\'/g;
   
   
     return $result;      return $result;
 }  }
   
   #width, height, oddsidemargin, evensidemargin, topmargin
                   #width, height, oddsidemargin, evensidemargin, topmargin  my %page_formats = (
 my %page_formats=      'letter' => {
     ('letter' => {          'book' => {
  'book' => {              '1' => [ '7.1 in',  '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ],
      '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' ]
      '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']          },
  },          'album' => {
  'album' => {              '1' => [ '8.8 in', '6.8 in', '-0.55 in', '-0.55 in', '0.394 in' ],
      '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],              '2' => [ '4.8 in', '6.8 in', '-0.5 in',  '-1.0 in',  '3.5 in' ]
      '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']          },
  },      },
      },      'legal' => {
      'legal' => {          'book' => {
  'book' => {              '1' => [ '7.1 in',  '13 in',, '-0.57 in', '-0.57 in', '-0.5 in' ],
      '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],              '2' => [ '3.66 in', '13 in',  '-0.57 in', '-0.57 in', '-0.5 in' ]
      '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']          },
  },          'album' => {
  'album' => {              '1' => [ '12 in',  '7.1 in',, '-0.57 in', '-0.57 in', '-0.5 in' ],
      '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' ]
              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']          },
           },      },
      },      'tabloid' => {
      'tabloid' => {          'book' => {
  'book' => {              '1' => [ '9.8 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ],
      '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' ]
      '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']          },
  },          'album' => {
  'album' => {              '1' => [ '16 in', '9.8 in', '-0.57 in', '-0.57 in', '-0.5 in' ],
      '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' ]
      '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']          },
           },      },
      },      'executive' => {
      'executive' => {          'book' => {
  'book' => {              '1' => [ '6.8 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ],
      '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' ]
      '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']          },
  },          'album' => {
  'album' => {              '1' => [],
      '1' => [],              '2' => []
      '2' => []          },
           },      },
      },      'a2' => {
      'a2' => {          'book' => {
  'book' => {              '1' => [],
      '1' => [],              '2' => []
      '2' => []          },
  },          'album' => {
  'album' => {              '1' => [],
      '1' => [],              '2' => []
      '2' => []          },
           },      },
      },      'a3' => {
      'a3' => {          'book' => {
  'book' => {              '1' => [],
      '1' => [],              '2' => []
      '2' => []          },
  },          'album' => {
  'album' => {              '1' => [],
      '1' => [],              '2' => []
      '2' => []          },
           },      },
      },      'a4' => {
      'a4' => {          'book' => {
  'book' => {              '1' =>
      '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],                [ '17.6 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ],
      '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']              '2' => [ '9.1 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ]
  },          },
  'album' => {          'album' => {
      '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],              '1' => [ '21.59 cm', '19.558 cm', '-1.397cm',  '-2.11 cm', '0 cm' ],
      '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']              '2' => [ '9.91 cm',  '19.558 cm', '-1.397 cm', '-2.11 cm', '0 cm' ]
  },          },
      },      },
      'a5' => {      'a5' => {
  'book' => {          'book' => {
      '1' => [],              '1' => [],
      '2' => []              '2' => []
  },          },
  'album' => {          'album' => {
      '1' => [],              '1' => [],
      '2' => []              '2' => []
           },          },
      },      },
      'a6' => {      'a6' => {
  'book' => {          'book' => {
      '1' => [],              '1' => [],
      '2' => []              '2' => []
  },          },
  'album' => {          'album' => {
      '1' => [],              '1' => [],
      '2' => []              '2' => []
           },          },
      },      },
      );  );
   
 sub page_format {  sub page_format {
   
 #  #
 #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",  #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
 #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",  #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
 #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",  #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
 #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",  #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
 #                        "A6 [105x148 mm]"  #                        "A6 [105x148 mm]"
 #   #
     my ($papersize,$layout,$numberofcolumns) = @_;       my ( $papersize, $layout, $numberofcolumns ) = @_;
     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};      return @{ $page_formats{$papersize}->{$layout}->{$numberofcolumns} };
 }  }
   
   
 sub get_name {  sub get_name {
     my ($uname,$udom)=@_;      my ( $uname, $udom ) = @_;
     if (!defined($uname)) { $uname=$env{'user.name'}; }      if ( !defined($uname) ) { $uname = $env{'user.name'}; }
     if (!defined($udom)) { $udom=$env{'user.domain'}; }      if ( !defined($udom) )  { $udom  = $env{'user.domain'}; }
     my $plainname=&Apache::loncommon::plainname($uname,$udom);      my $plainname = &Apache::loncommon::plainname( $uname, $udom );
     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }      if ( $plainname =~ /^\s*$/ ) { $plainname = $uname . '@' . $udom; }
    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');      $plainname = &Apache::lonxml::latex_special_symbols( $plainname, 'header' );
     return $plainname;      return $plainname;
 }  }
   
 sub get_course {  sub get_course {
     my $courseidinfo;      my $courseidinfo;
     if (defined($env{'request.course.id'})) {      if ( defined( $env{'request.course.id'} ) ) {
  $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');          $courseidinfo = &Apache::lonxml::latex_special_symbols(
               &unescape(
                   $env{ 'course.' . $env{'request.course.id'} . '.description' }
               ),
               'header'
           );
           my $sec = $env{'request.course.sec'};
   
     }      }
     return $courseidinfo;      return $courseidinfo;
 }  }
   
 sub page_format_transformation {  sub page_format_transformation {
     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;       my (
     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);          $papersize,       $layout,    $numberofcolumns,
           $choice,          $text,      $assignment,
     if ($selectionmade eq '4') {          $tableofcontents, $indexlist, $selectionmade
  if ($choice eq 'all_problems') {      ) = @_;
     $assignment='Problems from the Whole Course';      my ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin );
  } else {  
     $assignment='Resources from the Whole Course';      if ( $selectionmade eq '4' ) {
  }          if ( $choice eq 'all_problems' ) {
     } else {              $assignment = &mt('Problems from the Whole Course');
  $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');          }
           else {
               $assignment = &mt('Resources from the Whole Course');
           }
     }      }
     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);      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 $name         = &get_name();
     my $courseidinfo = &get_course();      my $courseidinfo = &get_course();
     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }  
     my $header_text  = $parmhash{'print_header_format'};      my $header_text  = $parmhash{'print_header_format'};
     $header_text     = &format_page_header($textwidth, $header_text, $assignment,      $header_text =
    $courseidinfo, $name);        &format_page_header( $textwidth, $header_text, $assignment, $courseidinfo,
           $name );
     my $topmargintoinsert = '';      my $topmargintoinsert = '';
     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}      if ( $topmargin ne '0' ) {
     my $fancypagestatement='';          $topmargintoinsert = '\setlength{\topmargin}{' . $topmargin . '}';
     if ($numberofcolumns eq '2') {      }
  $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";      my $fancypagestatement = '';
     } else {      if ( $numberofcolumns eq '2' ) {
  $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";          $fancypagestatement = "\\fancyhead{}\\fancyhead[LO]{$header_text}";
     }      }
     if ($layout eq 'album') {      else {
     $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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 /;          $fancypagestatement = "\\rhead{}\\chead{}\\lhead{$header_text}";
     } elsif ($layout eq 'book') {      }
  if ($choice ne 'All class print') {       if ( $layout eq 'album' ) {
     $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/;          $text =~
  } else {  s/\\begin{document}/\\setlength{\\oddsidemargin}{$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\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
     $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 /;      }
  }      elsif ( $layout eq 'book' ) {
  if ($papersize eq 'a4') {          if ( $choice ne 'All class print' ) {
     $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;              $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\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
           }
           else {
               $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{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
           }
           if ( $papersize eq 'a4' ) {
               my $papersize_text;
               if ( $perm{'pav'} ) {
                   $papersize_text = '\\special{papersize=210mm,297mm}';
               }
               else {
                   $papersize_text = '\special{papersize=210mm,297mm}';
               }
               $text =~ s/(\\begin{document})/$1$papersize_text/;
           }
     }      }
     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}      if ( $tableofcontents eq 'yes' ) {
     if ($indexlist eq 'yes') {          $text =~ s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;
  $text=~s/(\\begin{document})/\\makeindex $1/;      }
  $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;      if ( $indexlist eq 'yes' ) {
           $text =~ s/(\\begin{document})/\\makeindex $1/;
           $text =~ s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
     }      }
     return $text;      return $text;
 }  }
   
   
 sub page_cleanup {  sub page_cleanup {
     my $result = shift;      my $result = shift;
    
     $result =~ m/\\end{document}(\d*)$/;      $result =~ m/\\end{document}(\d*)$/;
     my $number_of_columns = $1;      my $number_of_columns = $1;
     my $insert = '{';      my $insert            = '{';
     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }      for ( my $id = 1 ; $id <= $number_of_columns ; $id++ ) { $insert .= 'l'; }
     $insert .= '}';      $insert .= '}';
     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;      $result =~
   s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;      $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
     return $result,$number_of_columns;      return $result, $number_of_columns;
 }  }
   
   
 sub details_for_menu {  sub details_for_menu {
     my ($helper)=@_;      my ($helper) = @_;
     my $postdata=$env{'form.postdata'};      my $postdata = $env{'form.postdata'};
     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }      if ( !$postdata ) { $postdata = $helper->{VARS}{'postdata'}; }
     my $name_of_resource = &Apache::lonnet::gettitle($postdata);      my $name_of_resource = &Apache::lonnet::gettitle($postdata);
     my $symbolic = &Apache::lonnet::symbread($postdata);      my $symbolic         = &Apache::lonnet::symbread($postdata);
     return if ( $symbolic eq '');      return if ( $symbolic eq '' );
   
     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);      my ( $map, $id, $resource ) = &Apache::lonnet::decode_symb($symbolic);
     $map=&Apache::lonnet::clutter($map);      $map = &Apache::lonnet::clutter($map);
     my $name_of_sequence = &Apache::lonnet::gettitle($map);      my $name_of_sequence = &Apache::lonnet::gettitle($map);
     if ($name_of_sequence =~ /^\s*$/) {      if ( $name_of_sequence =~ /^\s*$/ ) {
  $map =~ m|([^/]+)$|;          $map =~ m|([^/]+)$|;
  $name_of_sequence = $1;          $name_of_sequence = $1;
     }      }
     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});      my $name_of_map = &Apache::lonnet::gettitle( $env{'request.course.uri'} );
     if ($name_of_map =~ /^\s*$/) {      if ( $name_of_map =~ /^\s*$/ ) {
  $env{'request.course.uri'} =~ m|([^/]+)$|;          $env{'request.course.uri'} =~ m|([^/]+)$|;
  $name_of_map = $1;          $name_of_map = $1;
     }      }
     return ($name_of_resource,$name_of_sequence,$name_of_map);      return ( $name_of_resource, $name_of_sequence, $name_of_map );
 }  }
   
 sub copyright_line {  sub copyright_line {
     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';      return
   '\noindent\makebox[\textwidth/$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";  my $end_of_student = "\n" . '\special{ps:ENDOFSTUDENTSTAMP}' . "\n";
   
 sub latex_corrections {  sub latex_corrections {
     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;      my ( $number_of_columns, $result, $selectionmade, $answer_mode ) = @_;
   
 #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;  #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
     my $copyright = &copyright_line();      my $copyright = &copyright_line();
     if ($selectionmade eq '1' || $answer_mode eq 'only') {      if ( $selectionmade eq '1' || $answer_mode eq 'only' ) {
  $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;          $result =~
     } else {  s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
  $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $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;      $result =~ s/\$number_of_columns/$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\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;      $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
 #-- LaTeX corrections       
     my $first_comment = index($result,'<!--',0);      #-- LaTeX corrections
     while ($first_comment != -1) {      my $first_comment = index( $result, '<!--', 0 );
  my $end_comment = index($result,'-->',$first_comment);      while ( $first_comment != -1 ) {
  substr($result,$first_comment,$end_comment-$first_comment+3) = '';          my $end_comment = index( $result, '-->', $first_comment );
  $first_comment = index($result,'<!--',$first_comment);          substr( $result, $first_comment, $end_comment - $first_comment + 3 ) =
             '';
           $first_comment = index( $result, '<!--', $first_comment );
     }      }
     $result =~ s/^\s+$//gm; #remove empty lines      $result =~ s/^\s+$//gm;    #remove empty lines
     #removes more than one empty space                                 #removes more than one empty space
     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;      $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;      $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;      $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
     $result =~ s/{\\par }\s*\\\\/\\\\/gm;      $result =~ s/{\\par }\s*\\\\/\\\\/gm;
     $result =~ s/\\\\\s+\[/ \[/g;      $result =~ s/\\\\\s+\[/ \[/g;
   
     #conversion of html characters to LaTeX equivalents      #conversion of html characters to LaTeX equivalents
     if ($result =~ m/&(\w+|#\d+);/) {      if ( $result =~ m/&(\w+|#\d+);/ ) {
  $result = &character_chart($result);          $result = &character_chart($result);
     }      }
     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;      $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;      $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
     return $result;      return $result;
 }  }
   
   
 sub index_table {  sub index_table {
     my $currentURL = shift;      my $currentURL   = shift;
     my $insex_string='';      my $insex_string = '';
     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;      $currentURL =~ s/\.([^\/+])$/\.$1\.meta/;
     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');      $insex_string = &Apache::lonnet::metadata( $currentURL, 'keywords' );
     return $insex_string;      return $insex_string;
 }  }
   
   
 sub IndexCreation {  sub IndexCreation {
     my ($texversion,$currentURL)=@_;      my ( $texversion, $currentURL ) = @_;
     my @key_words=split(/,/,&index_table($currentURL));      my @key_words = split( /,/, &index_table($currentURL) );
     my $chunk='';      my $chunk     = '';
     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';      my $st        = index $texversion, '\addcontentsline{toc}{subsection}{';
     if ($st>0) {      if ( $st > 0 ) {
  for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}          for ( my $i = 0 ; $i < 3 ; $i++ ) {
  $chunk=substr($texversion,0,$st+1);              $st = ( index $texversion, '}', $st + 1 );
  substr($texversion,0,$st+1)=' ';          }
           $chunk = substr( $texversion, 0, $st + 1 );
           substr( $texversion, 0, $st + 1 ) = ' ';
     }      }
     foreach my $key_word (@key_words) {      foreach my $key_word (@key_words) {
  if ($key_word=~/\S+/) {          if ( $key_word =~ /\S+/ ) {
     $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;              $texversion =~ s/\b($key_word)\b/$1 \\index{$key_word} /i;
  }          }
     }      }
     if ($st>0) {substr($texversion,0,1)=$chunk;}      if ( $st > 0 ) { substr( $texversion, 0, 1 ) = $chunk; }
     return $texversion;      return $texversion;
 }  }
   
 sub print_latex_header {  sub print_latex_header {
     my $mode=shift;      my $mode = shift;
     my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';  
     if (($mode eq 'batchmode') || (!$perm{'pav'})) {      return &Apache::londefdef::latex_header($mode);
  $output.='\batchmode';  
     }  
     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\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".  
      '\usepackage[T1]{fontenc}'."\n".  
              '\usepackage{lmodern}'."\n".  
      '\usepackage[postscript]{ucs}'."\n".  
      '\usepackage[utf8x]{inputenc}'."\n".  
      '\usepackage{pifont}'  . "\n".  
      '\usepackage{latexsym}'."\n".  
      '\usepackage{amsmath}'.  
      '\usepackage{amssymb}'.  
      '\usepackage{amsfonts}'.  
      '\usepackage{amsthm}'.  
      '\usepackage{amscd}'.  
      '\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 {  sub path_to_problem {
     my ($urlp,$colwidth)=@_;      my ( $urlp, $colwidth ) = @_;
     $urlp=&Apache::lonnet::clutter($urlp);      $urlp = &Apache::lonnet::clutter($urlp);
   
     my $newurlp = '';      my $newurlp = '';
     $colwidth=~s/\s*mm\s*$//;      $colwidth =~ s/\s*mm\s*$//;
 #characters average about 2 mm in width  
     if (length($urlp)*2 > $colwidth) {      #characters average about 2 mm in width
  my @elements = split('/',$urlp);      if ( length($urlp) * 2 > $colwidth ) {
  my $curlength=0;          my @elements = split( '/', $urlp );
  foreach my $element (@elements) {          my $curlength = 0;
     if ($element eq '') { next; }          foreach my $element (@elements) {
     if ($curlength+(length($element)*2) > $colwidth) {              if ( $element eq '' ) { next; }
  $newurlp .=  '|\vskip -1 mm \verb|';              if ( $curlength + ( length($element) * 2 ) > $colwidth ) {
  $curlength=length($element)*2;                  $newurlp .= '|\vskip -1 mm \verb|';
     } else {                  $curlength = length($element) * 2;
  $curlength+=length($element)*2;              }
     }              else {
     $newurlp.='/'.$element;                  $curlength += length($element) * 2;
  }              }
     } else {              $newurlp .= '/' . $element;
  $newurlp=$urlp;          }
       }
       else {
           $newurlp = $urlp;
     }      }
     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';      return '{\small\noindent\verb|' . $newurlp . '|\vskip 0 mm}';
 }  }
   
 sub recalcto_mm {  sub recalcto_mm {
     my $textwidth=shift;      my $textwidth = shift;
     my $LaTeXwidth;      my $LaTeXwidth;
     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {      if ( $textwidth =~ /(-?\d+\.?\d*)\s*cm/ ) {
  $LaTeXwidth = $1*10;          $LaTeXwidth = $1 * 10;
     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {      }
  $LaTeXwidth = $1;      elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*mm/ ) {
     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {          $LaTeXwidth = $1;
  $LaTeXwidth = $1*25.4;      }
       elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*in/ ) {
           $LaTeXwidth = $1 * 25.4;
     }      }
     $LaTeXwidth.=' mm';      $LaTeXwidth .= ' mm';
     return $LaTeXwidth;      return $LaTeXwidth;
 }  }
   
 sub get_textwidth {  sub get_textwidth {
     my ($helper,$LaTeXwidth)=@_;      my ( $helper, $LaTeXwidth ) = @_;
     my $textwidth=$LaTeXwidth;      my $textwidth = $LaTeXwidth;
     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&      if (   $helper->{'VARS'}->{'pagesize.width'} =~ /\d+/
  $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {          && $helper->{'VARS'}->{'pagesize.widthunit'} =~ /\w+/ )
  $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.      {
  $helper->{'VARS'}->{'pagesize.widthunit'});          $textwidth =
             &recalcto_mm( $helper->{'VARS'}->{'pagesize.width'} . ' '
                 . $helper->{'VARS'}->{'pagesize.widthunit'} );
     }      }
     return $textwidth;      return $textwidth;
 }  }
   
   
 sub unsupported {  sub unsupported {
     my ($currentURL,$mode,$symb)=@_;      my ( $currentURL, $mode, $symb ) = @_;
     if ($mode ne '') {$mode='\\'.$mode}      if ( $mode ne '' ) { $mode = '\\' . $mode }
     my $result.= &print_latex_header($mode);      my $result .= &print_latex_header($mode);
     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {      if ( $currentURL =~ m|^(/adm/wrapper/)?ext/| ) {
  $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;          $currentURL =~ s|^(/adm/wrapper/)?ext/|http://|;
  my $title=&Apache::lonnet::gettitle($symb);          my $title = &Apache::lonnet::gettitle($symb);
  $title = &Apache::lonxml::latex_special_symbols($title);          $title = &Apache::lonxml::latex_special_symbols($title);
  $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';          $result .=
     } else {            ' \strut \\\\ ' . $title . ' \strut \\\\ ' . $currentURL . ' ';
  $result.=$currentURL;      }
       else {
           $result .= $currentURL;
     }      }
     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';      $result .=
   '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
     return $result;      return $result;
 }  }
   
   #
   #  Map from helper layout style to the book/album:
   #
   sub map_laystyle {
       my ($laystyle) = @_;
       if ( $laystyle eq 'L' ) {
           $laystyle = 'album';
       }
       else {
           $laystyle = 'book';
       }
       return $laystyle;
   }
   
   sub print_page_in_course {
       my ( $helper, $rparmhash, $currentURL, $resources ) = @_;
       my %parmhash       = %$rparmhash;
       my @page_resources = @$resources;
       my $mode           = $helper->{'VARS'}->{'LATEX_TYPE'};
       my $symb           = $helper->{'VARS'}->{'symb'};
   
       my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
   
       my @temporary_array = split /\|/, $format_from_helper;
       my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) =
         @temporary_array;
       $laystyle = &map_laystyle($laystyle);
       my ( $textwidth, $textheight, $oddoffset, $evenoffset ) =
         &page_format( $papersize, $laystyle, $numberofcolumns );
       my $LaTeXwidth = &recalcto_mm($textwidth);
   
       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);
       }
       else {
           $result .= $currentURL;
       }
       $result .= '\\\\';
   
       if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) {
           &Apache::lonnet::appenv(
               { 'construct.style' => $helper->{'VARS'}->{'style_file'} } );
       }
       elsif ( $env{'construct.style'} ) {
           &Apache::lonnet::delenv('construct.style');
       }
   
       # First is the overall page description.  This is then followed by the
       # components of the page. Each of which must be printed independently.
       my $the_page = shift(@page_resources);
   
       foreach my $resource (@page_resources) {
           my $resource_src =
             $resource->src();    # Essentially the URL of the resource.
           $result .= $resource->title() . '\\\\';
   
           # Recurse if a .page:
   
           if ( $resource_src =~ /.page$/i ) {
               my $navmap         = Apache::lonnavmaps::navmap->new();
               my @page_resources = $navmap->retrieveResources($resource_src);
               $result .=
                 &print_page_in_course( $helper, $rparmhash, $resource_src,
                   \@page_resources );
           }
   
           # these resources go through the XML transformer:
   
           elsif ( $resource_src =~
   /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/
             )
           {
               my $urlp = &Apache::lonnet::clutter($resource_src);
               my %form;
               my %moreenv;
   
               &Apache::lonxml::remember_problem_counter();
               $moreenv{'request.filename'} = $urlp;
               if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) {
                   $form{'problemtype'} = 'exam';
               }
   
               $form{'grade_target'} = 'tex';
               $form{'textwidth'}    = &get_textwidth( $helper, $LaTeXwidth );
               $form{'pdfFormFiels'} = $pdfFormFields;                           #
               $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
   
               $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'};
               $form{'print_annotations'} =
                 $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
               if (   ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' )
                   || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) )
               {
                   $form{'problem_split'} = 'yes';
               }
               my $rndseed = time;
               if ( $helper->{'VARS'}->{'curseed'} ) {
                   $rndseed = $helper->{'VARS'}->{'curseed'};
               }
               $form{'rndseed'} = $rndseed;
               &Apache::lonnet::appenv( \%moreenv );
   
               &Apache::lonxml::clear_problem_counter();
   
               my $texversion =
                 &ssi_with_retries( $urlp, $ssi_retry_count, %form );
   
               # 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' ) )
               {
                   my %answerform = %form;
   
                   $answerform{'problem_split'} =
                     $parmhash{'problem_stream_switch'};
                   $answerform{'grade_target'}       = 'answer';
                   $answerform{'answer_output_mode'} = 'tex';
                   $answerform{'rndseed'}            = $rndseed;
                   if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) {
                       $answerform{'problemtype'} = 'exam';
                   }
                   $resources_printed .= $urlp . ':';
                   my $answer =
                     &ssi_with_retries( $urlp, $ssi_retry_count, %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' ) {
                           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( $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}';
                   }
   
               }
   
               # Print annotations.
   
               if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
                   my $annotation .= &annotate($currentURL);
                   $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
               }
   
               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 /;
   
               }
               $texversion = &latex_header_footer_remove($texversion);
   
               # the first remaining line is a comment from londefdef the second
               # line  seems to be an extraneous \vskip 1mm \\\\ :
               # (imperfect removal from header_footer_remove?
   
               $texversion =~ s/\\vskip 1mm \\\\\\\\//;
   
               $result .= $texversion;
               if ( $currentURL =~ m/\.page\s*$/ ) {
                   ( $result, $numberofcolumns ) = &page_cleanup($result);
               }
           }
       }
   
       $result .=
   '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
       return $result;
   }
   
 #  #
 # List of recently generated print files  # List of recently generated print files
 #  #
 sub recently_generated {  sub recently_generated {
     my $r=shift;      my $r        = shift;
     my $prtspool=$r->dir_config('lonPrtDir');      my $prtspool = $r->dir_config('lonPrtDir');
     my $zip_result;      my $zip_result;
     my $pdf_result;      my $pdf_result;
     opendir(DIR,$prtspool);      opendir( DIR, $prtspool );
   
     my @files =       my @files =
  grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));        grep(
           /^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,
           readdir(DIR) );
     closedir(DIR);      closedir(DIR);
   
     @files = sort {      @files = sort {
  my ($actime) = (stat($prtspool.'/'.$a))[10];          my ($actime) = ( stat( $prtspool . '/' . $a ) )[10];
  my ($bctime) = (stat($prtspool.'/'.$b))[10];          my ($bctime) = ( stat( $prtspool . '/' . $b ) )[10];
  return $bctime <=> $actime;          return $bctime <=> $actime;
     } (@files);      } (@files);
   
     foreach my $filename (@files) {      foreach my $filename (@files) {
  my ($ext) = ($filename =~ m/(pdf|zip)$/);          my ($ext) = ( $filename =~ m/(pdf|zip)$/ );
  my ($cdev,$cino,$cmode,$cnlink,          my (
     $cuid,$cgid,$crdev,$csize,              $cdev,   $cino,     $cmode, $cnlink, $cuid,
     $catime,$cmtime,$cctime,              $cgid,   $crdev,    $csize, $catime, $cmtime,
     $cblksize,$cblocks)=stat($prtspool.'/'.$filename);              $cctime, $cblksize, $cblocks
  my $result="<a href='/prtspool/$filename'>".          ) = stat( $prtspool . '/' . $filename );
     &mt('Generated [_1] ([_2] bytes)',          my $ext_text = 'pdf' ? &mt('PDF File') : &mt('Zip File');
  &Apache::lonlocal::locallocaltime($cctime),$csize).          my $result =
  '</a><br />';              &Apache::loncommon::start_data_table_row() . '<td>'
  if ($ext eq 'pdf') { $pdf_result .= $result; }            . '<a href="/prtspool/'
  if ($ext eq 'zip') { $zip_result .= $result; }            . $filename . '">'
             . $ext_text . '</a>' . '</td>' . '<td>'
             . &Apache::lonlocal::locallocaltime($cctime) . '</td>'
             . '<td align="right">'
             . $csize . '</td>'
             . &Apache::loncommon::end_data_table_row();
           if ( $ext eq 'pdf' ) { $pdf_result .= $result; }
           if ( $ext eq 'zip' ) { $zip_result .= $result; }
       }
       if ( $zip_result || $pdf_result ) {
           $r->print('<hr />');
     }      }
     if ($zip_result) {      if ($zip_result) {
  $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"          $r->print( '<h3>'
   .$zip_result);                . &mt('Recently generated printout zip files')
                 . "</h3>\n"
                 . &Apache::loncommon::start_data_table()
                 . &Apache::loncommon::start_data_table_header_row() . '<th>'
                 . &mt('Download') . '</th>' . '<th>'
                 . &mt('Creation Date') . '</th>' . '<th>'
                 . &mt('File Size (Bytes)') . '</th>'
                 . &Apache::loncommon::end_data_table_header_row()
                 . $zip_result
                 . &Apache::loncommon::end_data_table() );
     }      }
     if ($pdf_result) {      if ($pdf_result) {
  $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"          $r->print( '<h3>'
   .$pdf_result);                . &mt('Recently generated printouts')
                 . "</h3>\n"
                 . &Apache::loncommon::start_data_table()
                 . &Apache::loncommon::start_data_table_header_row() . '<th>'
                 . &mt('Download') . '</th>' . '<th>'
                 . &mt('Creation Date') . '</th>' . '<th>'
                 . &mt('File Size (Bytes)') . '</th>'
                 . &Apache::loncommon::end_data_table_header_row()
                 . $pdf_result
                 . &Apache::loncommon::end_data_table() );
     }      }
 }  }
   
Line 1299  sub recently_generated { Line 1853  sub recently_generated {
 #    A reference to a page break hash.  #    A reference to a page break hash.
 #  #
 #  #
 #use Data::Dumper;  # use Data::Dumper;
 #sub dump_helper_vars {  # sub dump_helper_vars {
 #    my ($helper) = @_;  #    my ($helper) = @_;
 #    my $helpervars = Dumper($helper->{'VARS'});  #    my $helpervars = Dumper($helper->{'VARS'});
 #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");  #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
 #}  #}
   
 sub get_page_breaks  {  sub get_page_breaks {
     my ($helper) = @_;      my ($helper) = @_;
     my %page_breaks;      my %page_breaks;
   
     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {      foreach my $break ( split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'} ) {
  $page_breaks{$break} = 1;          $page_breaks{$break} = 1;
     }      }
     return %page_breaks;      return %page_breaks;
 }  }
   
   #
   #   Returns text to insert for any extra vskip prior to the resource.
   #   Parameters:
   #     helper   - Reference to the helper object driving the printout.
   #     resource - Identifies the resource about to be printed.
   #
   #   This is done as follows:
   #    POSSIBLE_RESOURCES has the list of possible resources.
   #    EXTRASPACE         has the list of extra space values.
   #    EXTRASPACE_UNITS   is the set of resources for which the units are
   #                       mm. All others are 'in'.
   #
   #    The resource is found in the POSSIBLE_RESOURCES to get the index
   #    of the EXTRASPACE value.
   #
   #   In order to speed this up for lengthy printouts, the first time,
   #   POSSIBLE_RESOURCES is turned into a look up hash and
   #   EXTRASPACE is turned into an array.
   #
   
   my %possible_resources;
   my %extraspace_mm;
   my @extraspace;
   my $skips_loaded = 0;
   
   #  Function to load the skips hash and array
   
   sub load_skips {
   
       my ($helper) = @_;
   
       #  If this is the first time, unrap the resources and extra spaces:
   
       if ( !$skips_loaded ) {
           @extraspace = ( split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'} ) );
           my @resource_list =
             ( split( /\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} ) );
           my $i = 0;
           foreach my $resource (@resource_list) {
               $possible_resources{$resource} = $i;
               $i++;
           }
           foreach my $mm_resource (
               split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'} ) )
           {
               $extraspace_mm{$mm_resource} = 1;
           }
           $skips_loaded = 1;
       }
   }
   
   sub get_extra_vspaces {
       my ( $helper, $resource ) = @_;
   
       &load_skips($helper);
   
       #  Lookup the resource in the possible resources hash.. that is the index
       # into the extraspace array that gives us either an empty string or
       # the number of mm to skip:
   
       my $index = $possible_resources{$resource};
       my $skip  = $extraspace[$index];
   
       my $result = '';
       if ( $skip ne '' ) {
           my $units = 'in';
           if ( defined( $extraspace_mm{$resource} ) ) {
               $units = 'mm';
           }
           $result = '\vskip ' . $skip . ' ' . $units;
       }
   
       return $result;
   
   }
   
   #
   #  The resource chooser part of the helper needs more than just
   #  the value of the extraspaces var to recover the value into a text
   #  field option.  This sub produces the required format for the saved var:
   #  specifically
   #    ||| separated fields of the form resourcename=value
   #
   #  Parameters:
   #    $helper     - Refers to the helper we are configuring
   #  Implicit input:
   #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
   #                                          value.
   #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
   #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
   #                                          separated of course.
   #  Implicit outputs:
   #     $env{'form.extraspace'}
   #     $env{'form.extraspace_units'}
   #
   sub set_form_extraspace {
       my ($helper) = @_;
   
       # the most convenient way to do this is to drive from the skips arrays/hash.
       # may not be the fastest, but this is once per print request so it's not so
       # speed critical:
   
       &load_skips($helper);
   
       my $result = '';
   
       foreach my $resource ( keys(%possible_resources) ) {
           my $vskip = $extraspace[ $possible_resources{$resource} ];
           $result .= $resource . '=' . $vskip . '|||';
       }
   
       $env{'form.extraspace'}       = $result;
       $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
       return $result;
   
   }
   
 #  Output a sequence (recursively if neeed)  #  Output a sequence (recursively if neeed)
 #  from construction space.  #  from construction space.
 # Parameters:  # Parameters:
Line 1330  sub get_page_breaks  { Line 2001  sub get_page_breaks  {
 #   prefix the latex with the page headers stuff.  #   prefix the latex with the page headers stuff.
 #  #
 sub print_construction_sequence {  sub print_construction_sequence {
     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;      my ( $currentURL, $helper, %form, $LaTeXwidth ) = @_;
     my $result;      my $result;
     my $rndseed=time;      my $rndseed = time;
     if ($helper->{'VARS'}->{'curseed'}) {      if ( $helper->{'VARS'}->{'curseed'} ) {
  $rndseed=$helper->{'VARS'}->{'curseed'};          $rndseed = $helper->{'VARS'}->{'curseed'};
     }      }
     my $errtext=&LONCAPA::map::mapread($currentURL);      my $errtext = &LONCAPA::map::mapread($currentURL);
     #   
       #
     #  These make this all support recursing for subsequences.      #  These make this all support recursing for subsequences.
     #      #
     my @order    = @LONCAPA::map::order;      my @order     = @LONCAPA::map::order;
     my @resources = @LONCAPA::map::resources;       my @resources = @LONCAPA::map::resources;
     for (my $member=0;$member<=$#order;$member++) {      for ( my $member = 0 ; $member <= $#order ; $member++ ) {
  $resources[$order[$member]]=~/^([^:]*):([^:]*):/;          $resources[ $order[$member] ] =~ /^([^:]*):([^:]*):/;
  my $urlp=$2;          my $urlp = $2;
  if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {          if ( $urlp =~
     my $texversion='';  /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/
     if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {            )
  $form{'problem_split'}=$parmhash{'problem_stream_switch'};          {
  $form{'suppress_tries'}=$parmhash{'suppress_tries'};              my $texversion = '';
  $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};              if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) {
  $form{'rndseed'}=$rndseed;                  $form{'problem_split'}  = $parmhash{'problem_stream_switch'};
  $resources_printed .=$urlp.':';                  $form{'suppress_tries'} = $parmhash{'suppress_tries'};
  $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);                  $form{'latex_type'}     = $helper->{'VARS'}->{'LATEX_TYPE'};
     }                  $form{'rndseed'}        = $rndseed;
     if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||                  $resources_printed .= $urlp . ':';
  ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&                   $texversion =
        ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {                    &ssi_with_retries( $urlp, $ssi_retry_count, %form );
  #  Don't permanently modify %$form...              }
  my %answerform = %form;              if (
  $answerform{'grade_target'}='answer';                  (
  $answerform{'answer_output_mode'}='tex';                         ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )
  $answerform{'rndseed'}=$rndseed;                      || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' )
  $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};                  )
  if ($urlp=~/\/res\//) {$env{'request.state'}='published';}                  && ( $urlp =~
  $resources_printed .= $urlp.':';                      /\.(problem|exam|quiz|assess|survey|form|library|page)$/ )
  my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);                )
  if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {              {
     $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;  
  } else {                  #  Don't permanently modify %$form...
     # If necessary, encapsulate answer in minipage:                  my %answerform = %form;
                       $answerform{'grade_target'}       = 'answer';
     $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});                  $answerform{'answer_output_mode'} = 'tex';
     my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});                  $answerform{'rndseed'}            = $rndseed;
     $title = &Apache::lonxml::latex_special_symbols($title);                  $answerform{'problem_split'} =
     my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';                    $parmhash{'problem_stream_switch'};
     $body.=&path_to_problem($urlp,$LaTeXwidth);                  if ( $urlp =~ /\/res\// ) {
     $body.='\vskip 1 mm '.$answer.'\end{document}';                      $env{'request.state'} = 'published';
     $body = &encapsulate_minipage($body);                  }
     $texversion.=$body;                  $resources_printed .= $urlp . ':';
  }                  my $answer =
     }                    &ssi_with_retries( $urlp, $ssi_retry_count, %answerform );
     $texversion = &latex_header_footer_remove($texversion);  
                   if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {
     if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {                      $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
  $texversion=&IndexCreation($texversion,$urlp);                  }
     }                  else {
     if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {  
  $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;                      # If necessary, encapsulate answer in minipage:
     }  
     $result.=$texversion;                      $texversion =
                         &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} );
  } elsif ($urlp=~/\.(sequence|page)$/) {                      my $title =
                             &Apache::lonnet::gettitle( $helper->{'VARS'}->{'symb'} );
     # header:                      $title = &Apache::lonxml::latex_special_symbols($title);
                       my $body =
     $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';                          '\vskip 0 mm \noindent\textbf{' 
                         . $title
     # IF sequence, recurse:                        . '}\vskip 0 mm ';
                           $body .= &path_to_problem( $urlp, $LaTeXwidth );
     if ($urlp =~ /\.sequence$/) {                      $body .= '\vskip 1 mm ' . $answer . '\end{document}';
  my $sequence_url = $urlp;                      $body = &encapsulate_minipage($body);
  my $domain       = $env{'user.domain'}; # Constr. space only on local                      $texversion .= $body;
  my $user         = $env{'user.name'};                  }
               }
  $sequence_url    =~ s/^\/res\/$domain/\/home/;              $texversion = &latex_header_footer_remove($texversion);
  $sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;  
 # $sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;              if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {
  $result .= &print_construction_sequence($sequence_url,                   $texversion = &IndexCreation( $texversion, $urlp );
  $helper, %form,               }
  $LaTeXwidth);              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 );
               }
           }
           elsif ( $urlp =~ /\.pdf$/i ) {
               my $texversion;
               if ( $member != 0 ) {
                   $texversion .= '\cleardoublepage';
               }
   
               $texversion .= &include_pdf($urlp);
               $texversion = &latex_header_footer_remove($texversion);
               if ( $member != $#order ) {
                   $texversion .= '\\ \cleardoublepage';
               }
   
               $result .= $texversion;
           }
       }
       if ( $helper->{VARS}->{'construction'} eq '1' ) {
           $result =~ s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;
     }      }
     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}  
     return $result;      return $result;
 }  }
   
 sub output_data {  sub output_data {
     my ($r,$helper,$rparmhash) = @_;      my ( $r, $helper, $rparmhash ) = @_;
     my %parmhash = %$rparmhash;      my %parmhash = %$rparmhash;
     $ssi_error = 0; # This will be set nonzero by failing ssi's.      $ssi_error         = 0;    # This will be set nonzero by failing ssi's.
     $resources_printed = '';      $resources_printed = '';
       $font_size = $helper->{'VARS'}->{'fontsize'};
     my $do_postprocessing = 1;      my $do_postprocessing = 1;
     my $js = <<ENDPART;      my $js                = <<ENDPART;
 <script type="text/javascript">  <script type="text/javascript">
     var editbrowser;      var editbrowser;
     function openbrowser(formname,elementname,only,omit) {      function openbrowser(formname,elementname,only,omit) {
Line 1451  sub output_data { Line 2169  sub output_data {
 </script>  </script>
 ENDPART  ENDPART
   
       # Breadcrumbs
       #FIXME: Choose better/different breadcrumbs?!? Links?
       my $brcrum = [
           {
               'href' => '',
               'text' => 'Helper'
           },    #FIXME: Different origin possible than print out helper?
           {
               'href' => '',
               'text' => 'Preparing Printout'
           }
       ];
   
       my $start_page = &Apache::loncommon::start_page( 'Preparing Printout',
           $js, { 'bread_crumbs' => $brcrum, } );
       my $msg = &mt(
   'Please stand by while processing your print request, this may take some time ...'
       );
   
     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);      $r->print( $start_page . "\n<p>\n$msg\n</p>\n" );
     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');  
   
     $r->print($start_page."\n<p>\n$msg\n</p>\n");  
   
     # fetch the pagebreaks and store them in the course environment      # fetch the pagebreaks and store them in the course environment
     # The page breaks will be pulled into the hash %page_breaks which is      # The page breaks will be pulled into the hash %page_breaks which is
     # indexed by symb and contains 1's for each break.      # indexed by symb and contains 1's for each break.
   
     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};      $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'};
     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};       &set_form_extraspace($helper);
     &Apache::loncommon::store_course_settings('print',      $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};
       {'pagebreaks'    => 'scalar',      &Apache::loncommon::store_course_settings(
        'lastprinttype' => 'scalar'});          'print',
           {
     my %page_breaks  = &get_page_breaks($helper);              'pagebreaks'       => 'scalar',
               'extraspace'       => 'scalar',
               'extraspace_units' => 'scalar',
               'lastprinttype'    => 'scalar'
           }
       );
       my %page_breaks = &get_page_breaks($helper);
   
     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};      my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
     my ($result,$selectionmade) = ('','');      my ( $result, $selectionmade ) = ( '', '' );
     my $number_of_columns = 1; #used only for pages to determine the width of the cell      my $number_of_columns =
     my @temporary_array=split /\|/,$format_from_helper;        1;    #used only for pages to determine the width of the cell
     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;      my @temporary_array = split /\|/, $format_from_helper;
     if ($laystyle eq 'L') {      my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) =
  $laystyle='album';        @temporary_array;
     } else {  
  $laystyle='book';      $laystyle = &map_laystyle($laystyle);
     }      my ( $textwidth, $textheight, $oddoffset, $evenoffset ) =
     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);        &page_format( $papersize, $laystyle, $numberofcolumns );
     my $assignment =  $env{'form.assignment'};      my $assignment    = $env{'form.assignment'};
     my $LaTeXwidth=&recalcto_mm($textwidth);       my $LaTeXwidth    = &recalcto_mm($textwidth);
     my @print_array=();      my @print_array   = ();
     my @student_names=();      my @student_names = ();
   
        
     #  Common settings for the %form has:      #  Common settings for the %form has:
     # In some cases these settings get overriddent by specific cases, but the      # In some cases these settings get overriddent by specific cases, but the
     # settings are common enough to make it worthwhile factoring them out      # settings are common enough to make it worthwhile factoring them out
     # here.      # here.
     #      #
     my %form;      my %form;
     $form{'grade_target'} = 'tex';      $form{'grade_target'}  = 'tex';
     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);      $form{'textwidth'}     = &get_textwidth( $helper, $LaTeXwidth );
       $form{'pdfFormFields'} = $pdfFormFields;
   
     # If form.showallfoils is set, then request all foils be shown:      # If form.showallfoils is set, then request all foils be shown:
     # privilege will be enforced both by not allowing the       # privilege will be enforced both by not allowing the
     # check box selecting this option to be presnt unless it's ok,      # check box selecting this option to be presnt unless it's ok,
     # and by lonresponse's priv. check.      # and by lonresponse's priv. check.
     # The if is here because lonresponse.pm only cares that      # The if is here because lonresponse.pm only cares that
     # showallfoils is defined, not what the value is.      # showallfoils is defined, not what the value is.
   
     if ($helper->{'VARS'}->{'showallfoils'} eq "1") {       if ( $helper->{'VARS'}->{'showallfoils'} eq "1" ) {
  $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};          $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
       }
   
       if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) {
           &Apache::lonnet::appenv(
               { 'construct.style' => $helper->{'VARS'}->{'style_file'} } );
     }      }
           elsif ( $env{'construct.style'} ) {
     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {          &Apache::lonnet::delenv('construct.style');
  &Apache::lonnet::appenv({'construct.style' =>  
  $helper->{'VARS'}->{'style_file'}});  
     } elsif ($env{'construct.style'}) {  
  &Apache::lonnet::delenv('construct\\.style');  
     }      }
   
       if ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document' ) {
   
     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {          #-- single document - problem, page, html, xml, ...
       #-- single document - problem, page, html, xml, ...          my ( $currentURL, $cleanURL );
  my ($currentURL,$cleanURL);  
           if ( $helper->{'VARS'}->{'construction'} ne '1' ) {
   
  if ($helper->{'VARS'}->{'construction'} ne '1') {  
             #prints published resource              #prints published resource
     $currentURL=$helper->{'VARS'}->{'postdata'};              $currentURL = $helper->{'VARS'}->{'postdata'};
     $cleanURL=&Apache::lonenc::check_decrypt($currentURL);              $cleanURL   = &Apache::lonenc::check_decrypt($currentURL);
  } else {          }
           else {
   
             #prints resource from the construction space              #prints resource from the construction space
     $currentURL='/'.$helper->{'VARS'}->{'filename'};              $currentURL = '/' . $helper->{'VARS'}->{'filename'};
     if ($currentURL=~/([^?]+)/) {$currentURL=$1;}              if ( $currentURL =~ /([^?]+)/ ) { $currentURL = $1; }
     $cleanURL=$currentURL;              $cleanURL = $currentURL;
  }          }
  $selectionmade = 1;          $selectionmade = 1;
  if ($cleanURL!~m|^/adm/|          if (   $cleanURL !~ m|^/adm/|
     && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {              && $cleanURL =~
     my $rndseed=time;  /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/
     my $texversion='';            )
     if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {          {
  my %moreenv;              my $rndseed    = time;
  $moreenv{'request.filename'}=$cleanURL;              my $texversion = '';
                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}              if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) {
  $form{'problem_split'}=$parmhash{'problem_stream_switch'};                  my %moreenv;
  $form{'suppress_tries'}=$parmhash{'suppress_tries'};                  $moreenv{'request.filename'} = $cleanURL;
  $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};                  if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) {
  $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};                      $form{'problemtype'} = 'exam';
  $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};                  }
  if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||                  $form{'problem_split'}  = $parmhash{'problem_stream_switch'};
     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {                  $form{'suppress_tries'} = $parmhash{'suppress_tries'};
     $form{'problem_split'}='yes';                  $form{'latex_type'}     = $helper->{'VARS'}->{'LATEX_TYPE'};
  }                  $form{'print_discussions'} =
  if ($helper->{'VARS'}->{'curseed'}) {                    $helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
     $rndseed=$helper->{'VARS'}->{'curseed'};                  $form{'print_annotations'} =
  }                    $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
  $form{'rndseed'}=$rndseed;                  if (   ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' )
  &Apache::lonnet::appenv(\%moreenv);                      || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) )
                   {
  &Apache::lonxml::clear_problem_counter();                      $form{'problem_split'} = 'yes';
                   }
  $resources_printed .= $currentURL.':';                  if ( $helper->{'VARS'}->{'curseed'} ) {
  $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);                      $rndseed = $helper->{'VARS'}->{'curseed'};
                   }
  #  Add annotations if required:                  $form{'rndseed'} = $rndseed;
                       &Apache::lonnet::appenv( \%moreenv );
  &Apache::lonxml::clear_problem_counter();  
                   &Apache::lonxml::clear_problem_counter();
  &Apache::lonnet::delenv('request.filename');  
     }                  $resources_printed .= $currentURL . ':';
     # current document with answers.. no need to encap in minipage                  $texversion .=
     #  since there's only one answer.                    &ssi_with_retries( $currentURL, $ssi_retry_count, %form );
   
     if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||                  #  Add annotations if required:
        ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {  
  $form{'problem_split'}=$parmhash{'problem_stream_switch'};                  &Apache::lonxml::clear_problem_counter();
  $form{'grade_target'}='answer';  
  $form{'answer_output_mode'}='tex';                  &Apache::lonnet::delenv('request.filename');
  $form{'rndseed'}=$rndseed;              }
                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {  
     $form{'problemtype'}='exam';              # current document with answers.. no need to encap in minipage
  }              #  since there's only one answer.
  $resources_printed .= $currentURL.':';  
  my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);              if (   ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )
                   || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) )
               {
  if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {                  $form{'problem_split'} = $parmhash{'problem_stream_switch'};
     $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;                  $form{'grade_target'}  = 'answer';
  } else {                  $form{'answer_output_mode'} = 'tex';
     $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});                  $form{'rndseed'}            = $rndseed;
     if ($helper->{'VARS'}->{'construction'} ne '1') {                  if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) {
  my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});                      $form{'problemtype'} = 'exam';
  $title = &Apache::lonxml::latex_special_symbols($title);                  }
  $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';                  $resources_printed .= $currentURL . ':';
  $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);                  my $answer =
     } else {                    &ssi_with_retries( $currentURL, $ssi_retry_count, %form );
  $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';  
  my $URLpath=$cleanURL;                  if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {
  $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;                      $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
  $texversion.=&path_to_problem($URLpath,$LaTeXwidth);                  }
     }                  else {
     $texversion.='\vskip 1 mm '.$answer.'\end{document}';                      $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);
     # Print annotations.                          $texversion .=
                               '\vskip 0 mm \noindent\textbf{' 
                             . $title
     if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {                            . '}\vskip 0 mm ';
  my $annotation .= &annotate($currentURL);                          $texversion .=
  $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;                            &path_to_problem( $cleanURL, $LaTeXwidth );
     }                      }
                       else {
                           $texversion .=
     if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {  '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
  $texversion=&IndexCreation($texversion,$currentURL);                          my $URLpath = $cleanURL;
     }                          $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/;
     if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {                          $texversion .=
  $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;                            &path_to_problem( $URLpath, $LaTeXwidth );
                       }
     }                      $texversion .= '\vskip 1 mm ' . $answer . '\end{document}';
     $result .= $texversion;                  }
     if ($currentURL=~m/\.page\s*$/) {  
  ($result,$number_of_columns) = &page_cleanup($result);              }
     }  
         } elsif ($cleanURL!~m|^/adm/|              # Print annotations.
  && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {  
             #printing content of sequence from the construction space              if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
     $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;                  my $annotation .= &annotate($currentURL);
     $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});                  $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
     $result .= &print_construction_sequence($currentURL, $helper, %form,              }
     $LaTeXwidth);  
     $result .= '\end{document}';                if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {
     if (!($result =~ /\\begin\{document\}/)) {                  $texversion = &IndexCreation( $texversion, $currentURL );
  $result = &print_latex_header() . $result;              }
     }              if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) {
     # End construction space sequence.                  $texversion =~
  } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {   s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
  $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};  
  if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}              }
  $resources_printed .= $currentURL.':';              $result .= $texversion;
  my $texversion=&ssi_with_retries($currentURL, $ssi_retry_count, %form);              if ( $currentURL =~ m/\.page\s*$/ ) {
  if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {                  ( $result, $number_of_columns ) = &page_cleanup($result);
     my $annotation = &annotate($currentURL);              }
     $texversion    =~ s/(\\end{document})/$annotation$1/;          }
  }          elsif ($cleanURL !~ m|^/adm/|
  $result .= $texversion;              && $currentURL =~ /\.(sequence|page)$/
  } elsif ($cleanURL =~/.tex$/) {              && $helper->{'VARS'}->{'construction'} eq '1' )
     # For this sort of print of a single LaTeX file,          {
     # We can just print the LaTeX file as it is uninterpreted in any way:  
     #              #printing content of sequence from the construction space
   
     $result = &fetch_raw_resource($currentURL);              $currentURL =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
     if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {              $result .=
  my $annotation = &annotate($currentURL);                &print_construction_sequence( $currentURL, $helper, %form,
  $result =~ s/(\\end{document})/$annotation$1/;                  $LaTeXwidth );
     }              $result .= '\end{document}';
               if ( !( $result =~ /\\begin\{document\}/ ) ) {
     $do_postprocessing = 0; # Don't massage the result.                  $result = &print_latex_header() . $result;
               }
  } else {  
     $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},              # End construction space sequence.
   $helper->{'VARS'}->{'symb'});          }
  }          elsif ( $cleanURL =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) {
     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or              $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'};
              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or              if ( $currentURL =~ /\/syllabus$/ ) { $currentURL =~ s/\/res//; }
              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or              $resources_printed .= $currentURL . ':';
      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG              my $texversion =
      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')                 &ssi_with_retries( $currentURL, $ssi_retry_count, %form );
      ) {               if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
                   my $annotation = &annotate($currentURL);
                   $texversion =~ s/(\\end{document})/$annotation$1/;
               }
               $result .= $texversion;
           }
           elsif ( $cleanURL =~ /\.tex$/ ) {
   
              # For this sort of print of a single LaTeX file,
              # We can just print the LaTeX file as it is uninterpreted in any way:
              #
   
               $result = &fetch_raw_resource($currentURL);
               if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
                   my $annotation = &annotate($currentURL);
                   $result =~ s/(\\end{document})/$annotation$1/;
               }
   
               $do_postprocessing = 0;    # Don't massage the result.
   
           }
           elsif ( $cleanURL =~ /\.pdf$/i ) {
               $result .= &include_pdf($cleanURL);
               $result .= '\end{document}';
           }
           elsif ( $cleanURL =~ /\.page$/i )
           {    #  Print page in non construction space contexts.
   
               # Determine the set of resources in the map of the page:
   
               my $navmap         = Apache::lonnavmaps::navmap->new();
               my @page_resources = $navmap->retrieveResources($cleanURL);
               $result .= &print_page_in_course( $helper, $rparmhash, $cleanURL,
                   \@page_resources );
   
           }
           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_in_page' )
           or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' )
           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          #-- produce an output string
  if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {          if (   ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems' )
     $selectionmade = 2;              or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page' ) )
  } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {          {
     $selectionmade = 3;              $selectionmade = 2;
  } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')           }
  ) {          elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages' )
     $selectionmade = 4;              or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' )
  } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG            )
     $selectionmade = 4;          {
  } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {              $selectionmade = 3;
     $selectionmade = 7;          }
  }          elsif ( ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems' ) ) {
  $form{'problem_split'}=$parmhash{'problem_stream_switch'};              $selectionmade = 4;
  $form{'suppress_tries'}=$parmhash{'suppress_tries'};          }
  $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};          elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources' ) { #BUGBUG
  $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};              $selectionmade = 4;
  $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};          }
  if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||          elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences' ) {
     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {              $selectionmade = 7;
     $form{'problem_split'}='yes';          }
  }          $form{'problem_split'}     = $parmhash{'problem_stream_switch'};
  my $flag_latex_header_remove = 'NO';          $form{'suppress_tries'}    = $parmhash{'suppress_tries'};
  my $flag_page_in_sequence = 'NO';          $form{'latex_type'}        = $helper->{'VARS'}->{'LATEX_TYPE'};
  my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};          $form{'print_discussions'} = $helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
  my $prevassignment='';          $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
           if (   ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' )
  &Apache::lonxml::clear_problem_counter();              || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) )
           {
  my $pbreakresources = keys %page_breaks;              $form{'problem_split'} = 'yes';
  for (my $i=0;$i<=$#master_seq;$i++) {          }
           my $flag_latex_header_remove = 'NO';
     &Apache::lonenc::reset_enc();          my $flag_page_in_sequence    = 'NO';
           my @master_seq     = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
           my $prevassignment = '';
     # Note due to document structure, not allowed to put \newpage  
     # prior to the first resource          &Apache::lonxml::clear_problem_counter();
   
     if (defined $page_breaks{$master_seq[$i]}) {          my $pbreakresources = keys %page_breaks;
  if($i != 0) {          for ( my $i = 0 ; $i <= $#master_seq ; $i++ ) {
     $result.="\\newpage\n";  
  }              &Apache::lonenc::reset_enc();
     }  
     my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);              # Note due to document structure, not allowed to put \newpage
     $urlp=&Apache::lonnet::clutter($urlp);              # prior to the first resource
     $form{'symb'}=$master_seq[$i];  
               if ( defined $page_breaks{ $master_seq[$i] } ) {
                   if ( $i != 0 ) {
     my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem                      $result .= "\\newpage\n";
                   }
     if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}              }
     if ($i==0) {$prevassignment=$assignment;}              $result .= &get_extra_vspaces( $helper, $master_seq[$i] );
     my $texversion='';              my ( $sequence, $middle_thingy, $urlp ) =
     if ($urlp!~m|^/adm/|                &Apache::lonnet::decode_symb( $master_seq[$i] );
  && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {              $urlp = &Apache::lonnet::clutter($urlp);
  $resources_printed .= $urlp.':';              $form{'symb'} = $master_seq[$i];
  &Apache::lonxml::remember_problem_counter();  
  $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);              my $assignment =
  if ($urlp=~/\.page$/) {                &Apache::lonxml::latex_special_symbols(
     ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);                  &Apache::lonnet::gettitle($sequence), 'header' )
     if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}                 ;    #title of the assignment which contains this problem
     $texversion =~ s/\\end{document}\d*/\\end{document}/;  
     $flag_page_in_sequence = 'YES';              if ( $selectionmade == 7 ) {
  }                   $helper->{VARS}->{'assignment'} = $assignment;
               }
  if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||              if ( $i == 0 ) { $prevassignment = $assignment; }
    ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {              my $texversion = '';
     #  Don't permanently pervert the %form hash              if (   $urlp !~ m|^/adm/|
     my %answerform = %form;                  && $urlp =~
     $answerform{'grade_target'}='answer';  /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/
     $answerform{'answer_output_mode'}='tex';                )
     $resources_printed .= $urlp.':';              {
                   $resources_printed .= $urlp . ':';
     &Apache::lonxml::restore_problem_counter();                  &Apache::lonxml::remember_problem_counter();
     my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);                  if ( $flag_latex_header_remove eq 'NO' ) {
                       $texversion .=
     if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {                        &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} )
  $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;                        ;    # RF
     } else {                      $flag_latex_header_remove = 'YES';
  if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {                  }
     $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});                  $texversion .=
     my $title = &Apache::lonnet::gettitle($master_seq[$i]);                    &ssi_with_retries( $urlp, $ssi_retry_count, %form );
     $title = &Apache::lonxml::latex_special_symbols($title);                  if ( $urlp =~ /\.page$/ ) {
     my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';                      ( $texversion, my $number_of_columns_page ) =
     $body   .= &path_to_problem ($urlp,$LaTeXwidth);                        &page_cleanup($texversion);
     $body   .='\vskip 1 mm '.$answer;                      if ( $number_of_columns_page > $number_of_columns ) {
     $body    = &encapsulate_minipage($body);                          $number_of_columns = $number_of_columns_page;
     $texversion .= $body;                      }
  } else {                      $texversion =~ s/\\end{document}\d*/\\end{document}/;
     $texversion='';                      $flag_page_in_sequence = 'YES';
  }                  }
     }  
                   if (   ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )
  }                      || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) )
  if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {                  {
     my $annotation .= &annotate($urlp);  
     $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;                      #  Don't permanently pervert the %form hash
  }                      my %answerform = %form;
                       $answerform{'grade_target'}       = 'answer';
  if ($flag_latex_header_remove ne 'NO') {                      $answerform{'answer_output_mode'} = 'tex';
     $texversion = &latex_header_footer_remove($texversion);                      $resources_printed .= $urlp . ':';
  } else {  
     $texversion =~ s/\\end{document}//;                      &Apache::lonxml::restore_problem_counter();
  }                      my $answer =
  if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {                        &ssi_with_retries( $urlp, $ssi_retry_count, %answerform );
     $texversion=&IndexCreation($texversion,$urlp);  
  }                      if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {
  if (($selectionmade == 4) and ($assignment ne $prevassignment)) {                          $texversion =~
     my $name = &get_name();                            s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
     my $courseidinfo = &get_course();                      }
     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }                      else {
     $prevassignment=$assignment;                          if ( $urlp =~
     my $header_text = $parmhash{'print_header_format'};                              /\.(problem|exam|quiz|assess|survey|form|library)$/
     $header_text    = &format_page_header($textwidth, $header_text,                            )
   $assignment,                           {
   $courseidinfo,                               $texversion =
   $name);                                &print_latex_header(
     if ($numberofcolumns eq '1') {                                  $helper->{'VARS'}->{'LATEX_TYPE'} );
  $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';                              $texversion =~ s/\\begin{document}//;
     } else {                              my $title =
  $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';                                &Apache::lonnet::gettitle( $master_seq[$i] );
     }                              $title =
  }                                &Apache::lonxml::latex_special_symbols($title);
  $result .= $texversion;                              my $body =
  $flag_latex_header_remove = 'YES';                                     '\vskip 0 mm \noindent\textbf{' 
     } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {                                 . $title
  $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};                                . '}\vskip 0 mm ';
  if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}                              $body .= &path_to_problem( $urlp, $LaTeXwidth );
  $resources_printed .= $urlp.':';                              $body .= '\vskip 1 mm ' . $answer;
  my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);                              $body = &encapsulate_minipage($body);
  if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {                              $texversion .= $body;
     my $annotation = &annotate($urlp);                          }
     $texversion =~ s/(\\end{document)/$annotation$1/;                          else {
  }                              $texversion = '';
                           }
  if ($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\}/;                  if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
  }                      my $annotation .= &annotate($urlp);
  $result .= $texversion;                      $texversion =~
  $flag_latex_header_remove = 'YES';                         s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
     } else {                  }
  $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},  
  $master_seq[$i]);                  if ( $flag_latex_header_remove ne 'NO' ) {
  if ($flag_latex_header_remove ne 'NO') {                      $texversion = &latex_header_footer_remove($texversion);
     $texversion = &latex_header_footer_remove($texversion);                  }
  } else {                  else {
     $texversion =~ s/\\end{document}//;                      $texversion =~ s/\\end{document}//;
  }                  }
  $result .= $texversion;                  if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {
  $flag_latex_header_remove = 'YES';                         $texversion = &IndexCreation( $texversion, $urlp );
     }                      }
     if (&Apache::loncommon::connection_aborted($r)) { last; }                  if (    ( $selectionmade == 4 )
  }                      and ( $assignment ne $prevassignment ) )
  &Apache::lonxml::clear_problem_counter();                  {
  if ($flag_page_in_sequence eq 'YES') {                      my $name         = &get_name();
     $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;                      my $courseidinfo = &get_course();
  }                      $prevassignment = $assignment;
  $result .= '\end{document}';                      my $header_text = $parmhash{'print_header_format'};
      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||                      $header_text = &format_page_header(
       ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||                          $textwidth,    $header_text, $assignment,
       ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){                          $courseidinfo, $name
                       );
   
      #-- prints assignments for whole class or for selected students                        if ( $numberofcolumns eq '1' ) {
  my $type;                          $result .=
  if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||  '\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'
      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {                            . $header_text
      $selectionmade=5;                            . '}} \vskip 5 mm ';
      $type='problems';                      }
  } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {                      else {
      $selectionmade=8;                          $result .=
      $type='resources';  '\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'
  }                            . $header_text
  my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};                            . '}} \vskip 5 mm ';
  #   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.                  $result .= $texversion;
  #    Each element of the students array is of the form:                  $flag_latex_header_remove = 'YES';
  #       username:domain:section:last, first:status              }
  #                  elsif ( $urlp =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) {
  #  Note that student sort is not compatible with printing                   $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'};
  #  1 section per pdf...so that setting overrides.                  if ( $urlp =~ /\/syllabus$/ ) { $urlp =~ s/\/res//; }
  #                     $resources_printed .= $urlp . ':';
  if (($helper->{'VARS'}->{'student_sort'}    eq 1)  &&                   my $texversion =
      ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {                    &ssi_with_retries( $urlp, $ssi_retry_count, %form );
      @students = sort compare_names  @students;                  if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
  }                      my $annotation = &annotate($urlp);
  &adjust_number_to_print($helper);                      $texversion =~ s/(\\end{document)/$annotation$1/;
                   }
          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||  
      $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {                  if ( $flag_latex_header_remove ne 'NO' ) {
      $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;                      $texversion = &latex_header_footer_remove($texversion);
  }                  }
  # If we are splitting on section boundaries, we need                   else {
  # to remember that in split_on_sections and                       $texversion =~
  # print all of the students in the list.  s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
  #                  }
  my $split_on_sections = 0;                  $result .= $texversion;
  if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {                  $flag_latex_header_remove = 'YES';
      $split_on_sections = 1;              }
      $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;              elsif ( $urlp =~ /\.pdf$/i ) {
  }                  if ( $i > 0 ) {
  my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};                      $result .= '\cleardoublepage';
                   }
  #loop over students                  $result .= &include_pdf($urlp);
  my $flag_latex_header_remove = 'NO';                   if ( $i != $#master_seq ) {
  my %moreenv;                      if ( $numberofcolumns eq '1' ) {
          $moreenv{'instructor_comments'}='hide';                          $result .= '\newpage';
  $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);                      }
  $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};                      else {
  $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};  
  $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};               # the \\'s seem to be needed to let LaTeX know there's something
  $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};               # on the page since LaTeX seems to not like to clear an empty page.
  if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||               #
      ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {                          $result .= '\\ \cleardoublepage';
      $moreenv{'problem_split'}='yes';                      }
  }                  }
  my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');                  $flag_latex_header_remove = 'YES';
  my $student_counter=-1;  
  my $i = 0;              }
  my $last_section = (split(/:/,$students[0]))[2];              else {
  foreach my $person (@students) {                  $texversion =
                     &unsupported( $urlp, $helper->{'VARS'}->{'LATEX_TYPE'},
              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";                      $master_seq[$i] );
      if (-e $duefile) {                  if ( $flag_latex_header_remove ne 'NO' ) {
  my $temp_file = Apache::File->new('>>'.$duefile);                      $texversion = &latex_header_footer_remove($texversion);
  print $temp_file "1969\n";                  }
      }                  else {
      $student_counter++;                      $texversion =~ s/\\end{document}//;
      if ($split_on_sections) {                  }
  my $this_section = (split(/:/,$person))[2];                  $result .= $texversion;
  if ($this_section ne $last_section) {                  $flag_latex_header_remove = 'YES';
      $i++;              }
      $last_section = $this_section;              if ( &Apache::loncommon::connection_aborted($r) ) {
  }                  last;
      } else {              }
  $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});          }
      }          &Apache::lonxml::clear_problem_counter();
      my ($output,$fullname, $printed)=&print_resources($r,$helper,          if ( $flag_page_in_sequence eq 'YES' ) {
      $person,$type,              $result =~
      \%moreenv,\@master_seq,                s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
      $flag_latex_header_remove,          }
      $LaTeXwidth);          $result .= '\end{document}';
      $resources_printed .= ":";      }
      $print_array[$i].=$output;      elsif (
      $student_names[$i].=$person.':'.$fullname.'_END_';          ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' )
      &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);          || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq
      $flag_latex_header_remove = 'YES';              'problems_for_students_from_page' )
      if (&Apache::loncommon::connection_aborted($r)) { last; }          || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' )
  }          || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' )
  &Apache::lonhtmlcommon::Close_PrgWin($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')  ) {           #-- prints assignments for whole class or for selected students
  my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};          my $type;
  my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};          if (
  my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};              ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' )
  my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};              || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq
  my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};                  'problems_for_students_from_page' )
  my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};              || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' )
  my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};            )
           {
  my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};              $selectionmade = 5;
          my @lines = &Apache::grades::get_scantronformat_file();              $type          = 'problems';
  my ($code_type,$code_length)=('letter',6);          }
  foreach my $line (@lines) {          elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' )
      my ($name,$type,$length) = (split(/:/,$line))[0,2,4];          {
      if ($name eq $code_option) {              $selectionmade = 8;
  $code_length=$length;              $type          = 'resources';
  if ($type eq 'number') { $code_type = 'number'; }          }
      }          my @students = split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
  }  
  my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));       #   The normal sort order is by section then by students within the
  $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};       #   section. If the helper var student_sort is 1, then the user has elected
          $moreenv{'instructor_comments'}='hide';       #   to override this and output the students by name.
  my $seed=time+($$<<16)+($$);       #    Each element of the students array is of the form:
  my @allcodes;       #       username:domain:section:last, first:status
  if ($old_name) {       #
      my %result=&Apache::lonnet::get('CODEs',       #  Note that student sort is not compatible with printing
      [$old_name,"type\0$old_name"],       #  1 section per pdf...so that setting overrides.
      $cdom,$cnum);       #
      $code_type=$result{"type\0$old_name"};          if (   ( $helper->{'VARS'}->{'student_sort'} eq 1 )
      @allcodes=split(',',$result{$old_name});              && ( $helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections" ) )
      $num_todo=scalar(@allcodes);          {
  } elsif ($selected_code) { # Selection value is always numeric.              @students = sort compare_names @students;
      $num_todo = 1;          }
      @allcodes = ($selected_code);          &adjust_number_to_print($helper);
  } elsif ($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++) {  
   
     &Apache::lonenc::reset_enc();          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{'print_annotations'} =
             $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
           $moreenv{'problem_split'}  = $parmhash{'problem_stream_switch'};
           $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
   
           if (   ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' )
               || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} 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 'problems_for_anon_page' )
           || ( $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'};
           my @lines       = &Apache::grades::get_scantronformat_file();
           my ( $code_type, $code_length ) = ( 'letter', 6 );
           foreach my $line (@lines) {
               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++ ) {
   
               &Apache::lonenc::reset_enc();
   
               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 =
                     &ssi_with_retries( $urlp, $ssi_retry_count, %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 =
                         &ssi_with_retries( $urlp, $ssi_retry_count, %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}';
                       }
                   }
   
     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 $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);  
  if(($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 $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);  
     if ($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 chunk is responsible for printing the path to problem                  #this chunk is responsible for printing the path to problem
   
  my $newurlp=$urlp;                  my $newurlp = $urlp;
  if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}                  if ( $newurlp =~ /~/ ) {
  $newurlp=&path_to_problem($newurlp,$LaTeXwidth);                      $newurlp =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
  $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;                  }
  if ($flag_latex_header_remove ne 'NO') {                  $newurlp = &path_to_problem( $newurlp, $LaTeXwidth );
     $texversion = &latex_header_footer_remove($texversion);                  $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
  } else {                  if ( $flag_latex_header_remove ne 'NO' ) {
     $texversion =~ s/\\end{document}//;                      $texversion = &latex_header_footer_remove($texversion);
  }                  }
  if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {                  else {
     $texversion=&IndexCreation($texversion,$urlp);                      $texversion =~ s/\\end{document}//;
  }                  }
  if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {                  if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {
     $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;                      $texversion = &IndexCreation( $texversion, $urlp );
                       }
  }                  if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) {
  $result .= $texversion;                      $texversion =~
     }  s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
     $flag_latex_header_remove = 'YES';    
  }                  }
  if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}                  $result .= $texversion;
  $result .= '\end{document}';                    }
               $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  #-------------------------------------------------------- corrections for the different page formats
   
     # Only post process if that has not been turned off e.g. by a raw latex resource.  # Only post process if that has not been turned off e.g. by a raw latex resource.
   
     if ($do_postprocessing) {      if ($do_postprocessing) {
  $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);          $result = &page_format_transformation(
  $result = &latex_corrections($number_of_columns,$result,$selectionmade,              $papersize,
      $helper->{'VARS'}->{'ANSWER_TYPE'});              $laystyle,
  #if ($numberofcolumns == 1) {              $numberofcolumns,
  $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;              $helper->{'VARS'}->{'PRINT_TYPE'},
  $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;              $result,
  $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;              $helper->{VARS}->{'assignment'},
  $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;              $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'} /;
   
           #}
     }      }
   
     # Set URLback if this is a construction space print so we can provide      # Set URLback if this is a construction space print so we can provide
     # a link to the resource being edited.      # a link to the resource being edited.
     #      #
   
     my $URLback=''; #link to original document      my $URLback = '';    #link to original document
     if ($helper->{'VARS'}->{'construction'} eq '1') {      if ( $helper->{'VARS'}->{'construction'} eq '1' ) {
  #prints resource from the construction space  
  $URLback='/'.$helper->{'VARS'}->{'filename'};          #prints resource from the construction space
  if ($URLback=~/([^?]+)/) {          $URLback = '/' . $helper->{'VARS'}->{'filename'};
     $URLback=$1;          if ( $URLback =~ /([^?]+)/ ) {
     $URLback=~s|^/~|/priv/|;              $URLback = $1;
  }              $URLback =~ s|^/~|/priv/|;
           }
     }      }
   
 #-- writing .tex file in prtspool       #
       # Final adjustment of the font size:
       #
   
       $result = set_font_size($result);
   
       #-- writing .tex file in prtspool
     my $temp_file;      my $temp_file;
     my $identifier = &Apache::loncommon::get_cgi_id();      my $identifier = &Apache::loncommon::get_cgi_id();
     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";      my $filename =
     if (!($#print_array>0)) {   "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
        unless ($temp_file = Apache::File->new('>'.$filename)) {      if ( !( $#print_array > 0 ) ) {
   $r->log_error("Couldn't open $filename for output $!");          unless ( $temp_file = Apache::File->new( '>' . $filename ) ) {
   return SERVER_ERROR;               $r->log_error("Couldn't open $filename for output $!");
        }              return SERVER_ERROR;
        print $temp_file $result;          }
        my $begin=index($result,'\begin{document}',0);          print $temp_file $result;
        my $inc=substr($result,0,$begin+16);           my $begin = index( $result, '\begin{document}', 0 );
     } else {          my $inc = substr( $result, 0, $begin + 16 );
        my $begin=index($result,'\begin{document}',0);      }
        my $inc=substr($result,0,$begin+16);      else {
        for (my $i=0;$i<=$#print_array;$i++) {          my $begin = index( $result, '\begin{document}', 0 );
   if ($i==0) {          my $inc = substr( $result, 0, $begin + 16 );
       $print_array[$i]=$result;          for ( my $i = 0 ; $i <= $#print_array ; $i++ ) {
   } else {              if ( $i == 0 ) {
       $print_array[$i].='\end{document}';                  $print_array[$i] = $result;
       $print_array[$i] =               }
  &latex_corrections($number_of_columns,$print_array[$i],              else {
    $selectionmade,                   $print_array[$i] .= '\end{document}';
    $helper->{'VARS'}->{'ANSWER_TYPE'});                  $print_array[$i] =
                         &latex_corrections( $number_of_columns, $print_array[$i],
       my $anobegin=index($print_array[$i],'\setcounter{page}',0);                      $selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'} );
       substr($print_array[$i],0,$anobegin)='';  
       $print_array[$i]=$inc.$print_array[$i];                  my $anobegin =
   }                    index( $print_array[$i], '\setcounter{page}', 0 );
   my $temp_file;                  substr( $print_array[$i], 0, $anobegin ) = '';
   my $newfilename=$filename;                  $print_array[$i] = $inc . $print_array[$i];
   my $num=$i+1;              }
   $newfilename =~s/\.tex$//;               my $temp_file;
   $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);              my $newfilename = $filename;
   unless ($temp_file = Apache::File->new('>'.$newfilename)) {              my $num         = $i + 1;
       $r->log_error("Couldn't open $newfilename for output $!");              $newfilename =~ s/\.tex$//;
       return SERVER_ERROR;               $newfilename = sprintf( "%s_%03d.tex", $newfilename, $num );
   }              unless ( $temp_file = Apache::File->new( '>' . $newfilename ) ) {
   print $temp_file $print_array[$i];                  $r->log_error("Couldn't open $newfilename for output $!");
        }                  return SERVER_ERROR;
     }              }
     my $student_names='';              print $temp_file $print_array[$i];
     if ($#print_array>0) {          }
         for (my $i=0;$i<=$#print_array;$i++) {      }
    $student_names.=$student_names[$i].'_ENDPERSON_';      my $student_names = '';
  }      if ( $#print_array > 0 ) {
     } else {          for ( my $i = 0 ; $i <= $#print_array ; $i++ ) {
  if ($#student_names>-1) {              $student_names .= $student_names[$i] . '_ENDPERSON_';
    $student_names=$student_names[0].'_ENDPERSON_';          }
  } else {      }
            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});      else {
    $student_names=join(':',$env{'user.name'},$env{'user.domain'},          if ( $#student_names > -1 ) {
     $env{'request.course.sec'},$fullname).              $student_names = $student_names[0] . '_ENDPERSON_';
  '_ENDPERSON_'.'_END_';          }
  }          else {
      }              my $fullname = &get_name( $env{'user.name'}, $env{'user.domain'} );
               $student_names = join( ':',
      # logic for now is too complex to trace if this has been defined                  $env{'user.name'}, $env{'user.domain'},
      #  yet.                  $env{'request.course.sec'}, $fullname )
      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};                . '_ENDPERSON_' . '_END_';
      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};          }
      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,      }
  'cgi.'.$identifier.'.layout'  => $laystyle,  
  'cgi.'.$identifier.'.numcol'  => $numberofcolumns,      # logic for now is too complex to trace if this has been defined
  'cgi.'.$identifier.'.paper'  => $papersize,      #  yet.
  'cgi.'.$identifier.'.selection' => $selectionmade,      my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' };
  'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},      my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' };
  'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},      &Apache::lonnet::appenv(
  'cgi.'.$identifier.'.role' => $perm{'pav'},          {
  'cgi.'.$identifier.'.numberoffiles' => $#print_array,              'cgi.' . $identifier . '.file'      => $filename,
  'cgi.'.$identifier.'.studentnames' => $student_names,              'cgi.' . $identifier . '.layout'    => $laystyle,
  'cgi.'.$identifier.'.backref' => $URLback,});              'cgi.' . $identifier . '.numcol'    => $numberofcolumns,
     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},              'cgi.' . $identifier . '.paper'     => $papersize,
  "cgi.$identifier.domain"  => $env{'user.domain'},              'cgi.' . $identifier . '.selection' => $selectionmade,
  "cgi.$identifier.courseid" => $cnum,               'cgi.'
  "cgi.$identifier.coursedom" => $cdom,                 . $identifier
  "cgi.$identifier.resources" => $resources_printed});                . '.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
               'cgi.'
     my $end_page = &Apache::loncommon::end_page();                . $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();
     my $continue_text = &mt('Continue');      my $continue_text = &mt('Continue');
   
     # If there's been an unrecoverable SSI error, report it to the user      # If there's been an unrecoverable SSI error, report it to the user
     if ($ssi_error) {      if ($ssi_error) {
         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');          my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
         $r->print('<br /><h2>'.&mt('An unrecoverable network error occurred:').'</h2><p>  '.          $r->print(
                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').                  '<br /><p class="LC_error">'
                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.                . &mt('An unrecoverable network error occurred:')
                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.                . '</p><p>'
                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').                . &mt(
                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.  'At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:'
                   &mt('We apologize for the inconvenience.').'</p>'.                )
                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);                . '<br />'
     } else {                . $ssi_last_error_resource
  $r->print(<<FINALEND);                . '<br />'
                 . $ssi_last_error
                 . '</p><p>'
                 . &mt(
   'You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.'
                 )
                 . '<br />'
                 . &mt(
   'You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.'
                 )
                 . '<br />'
                 . &mt(
   'If the error persists, please contact the [_1] for assistance.',
                   $helpurl
                 )
                 . '</p><p>'
                 . &mt('We apologize for the inconvenience.') . '</p>'
                 . '<a href="/cgi-bin/printout.pl?'
                 . $identifier . '">'
                 . $continue_text . '</a>'
                 . $end_page
           );
       }
       else {
           $r->print(<<FINALEND);
 <br />  <br />
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />  <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
 <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>  <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
 $end_page  $end_page
 FINALEND  FINALEND
     }                                     # endif ssi errors.      }    # endif ssi errors.
 }  }
   
   
 sub get_CODE {  sub get_CODE {
     my ($all_codes,$num,$seed,$size,$type)=@_;      my ( $all_codes, $num, $seed, $size, $type ) = @_;
     my $max='1'.'0'x$size;      my $max = '1' . '0' x $size;
     my $newcode;      my $newcode;
     while(1) {      while (1) {
  $newcode=sprintf("%0".$size."d",int(rand($max)));          $newcode = sprintf( "%0" . $size . "d", int( rand($max) ) );
  if (!exists($$all_codes{$newcode})) {          if ( !exists( $$all_codes{$newcode} ) ) {
     $$all_codes{$newcode}=1;              $$all_codes{$newcode} = 1;
     if ($type eq 'number' ) {              if ( $type eq 'number' ) {
  return $newcode;                  return $newcode;
     } else {              }
  return &num_to_letters($newcode);              else {
     }                  return &num_to_letters($newcode);
  }              }
           }
     }      }
 }  }
   
 sub print_resources {  sub print_resources {
     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,      my ( $r, $helper, $person, $type, $moreenv, $master_seq,
  $LaTeXwidth)=@_;          $remove_latex_header, $LaTeXwidth )
     my $current_output = '';         = @_;
     my $printed = '';      my $current_output = '';
     my ($username,$userdomain,$usersection) = split /:/,$person;      my $printed        = '';
     my $fullname = &get_name($username,$userdomain);      my ( $username, $userdomain, $usersection ) = split /:/, $person;
     my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.      my $fullname = &get_name( $username, $userdomain );
     if ($person =~ 'anon') {      my $namepostfix =
  $namepostfix .="Name: ";        "\\\\";    # Both anon and not anon should get the same vspace.
  $fullname = "CODE - ".$moreenv->{'CODE'};      if ( $person =~ 'anon' ) {
           $namepostfix .= "Name: ";
           $fullname = "CODE - " . $moreenv->{'CODE'};
     }      }
   
     #  Fullname may have special latex characters that need \ prefixing:      #  Fullname may have special latex characters that need \ prefixing:
     #      #
   
     my $i           = 0;      my $i = 0;
     #goes through all resources, checks if they are available for   
     #current student, and produces output         #goes through all resources, checks if they are available for
       #current student, and produces output
   
     &Apache::lonxml::clear_problem_counter();      &Apache::lonxml::clear_problem_counter();
     my %page_breaks  = &get_page_breaks($helper);      my %page_breaks = &get_page_breaks($helper);
     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];      my $columns_in_format = ( split( /\|/, $helper->{'VARS'}->{'FORMAT'} ) )[1];
   
     #      #
     #   end each student with a       #   end each student with a
     #   Special that allows the post processor to even out the page      #   Special that allows the post processor to even out the page
     #   counts later.  Nasty problem this... it would be really      #   counts later.  Nasty problem this... it would be really
     #   nice to put the special in as a postscript comment      #   nice to put the special in as a postscript comment
Line 2275  sub print_resources { Line 3291  sub print_resources {
     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the      #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.      #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
     #      #
       my $syllabus_first = 0;
       foreach my $curresline ( @{$master_seq} ) {
           if ( defined $page_breaks{$curresline} ) {
               if ( $i != 0 ) {
                   $current_output .= "\\newpage\n";
               }
           }
           $current_output .= &get_extra_vspaces( $helper, $curresline );
           $i++;
   
           if (
     foreach my $curresline (@{$master_seq})  {              !(
  if (defined $page_breaks{$curresline}) {                  $type eq 'problems'
     if($i != 0) {                  && ( $curresline !~
  $current_output.= "\\newpage\n";                      m/\.(problem|exam|quiz|assess|survey|form|library)$/ )
     }              )
  }            )
  $i++;          {
               my ( $map, $id, $res_url ) =
  if ( !($type eq 'problems' &&                 &Apache::lonnet::decode_symb($curresline);
        ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {              if ( &Apache::lonnet::allowed( 'bre', $res_url ) ) {
     my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);                  if (   $res_url !~ m|^ext/|
     if (&Apache::lonnet::allowed('bre',$res_url)) {                      && $res_url =~
  if ($res_url!~m|^ext/|  /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/
     && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {                    )
     $printed .= $curresline.':';                  {
                       $printed .= $curresline . ':';
     &Apache::lonxml::remember_problem_counter();                          &Apache::lonxml::remember_problem_counter();
   
     my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);                      my $rendered =
                         &get_student_view_with_retries( $curresline,
     if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||                          $ssi_retry_count, $username, $userdomain,
        ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {                          $env{'request.course.id'},
  #   Use a copy of the hash so we don't pervert it on future loop passes.                          'tex', $moreenv );
  my %answerenv = %{$moreenv};                      if (   ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )
  $answerenv{'answer_output_mode'}='tex';                          || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) )
  $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};                      {
   
  &Apache::lonxml::restore_problem_counter();          #   Use a copy of the hash so we don't pervert it on future loop passes.
                           my %answerenv = %{$moreenv};
  my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);                          $answerenv{'answer_output_mode'} = 'tex';
                           $answerenv{'latex_type'} =
  if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {                            $helper->{'VARS'}->{'LATEX_TYPE'};
     $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;  
  } else {                          &Apache::lonxml::restore_problem_counter();
   
                               my $ansrendered =
     my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});                            &Apache::loncommon::get_student_answers( $curresline,
     my $title = &Apache::lonnet::gettitle($curresline);                              $username, $userdomain, $env{'request.course.id'},
     $title = &Apache::lonxml::latex_special_symbols($title);                              %answerenv );
     my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';  
     $body     .=&path_to_problem($res_url,$LaTeXwidth);                          if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {
     $body     .='\vskip 1 mm '.$ansrendered;                              $rendered =~
     $body     = &encapsulate_minipage($body);                                s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
     $rendered = $header.$body;                          }
  }                          else {
     }  
                               my $header =
     if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {                                &print_latex_header(
  my $url = &Apache::lonnet::clutter($res_url);                                  $helper->{'VARS'}->{'LATEX_TYPE'} );
  my $annotation = &annotate($url);                              $header =~ s/\\begin{document}//;    #<<<<<
  $rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;                              my $title = &Apache::lonnet::gettitle($curresline);
     }                              $title =
     if ($remove_latex_header eq 'YES') {                                &Apache::lonxml::latex_special_symbols($title);
  $rendered = &latex_header_footer_remove($rendered);                              my $body =
     } else {                                  '\vskip 0 mm \noindent\textbf{' 
  $rendered =~ s/\\end{document}//;                                . $title
     }                                . '}\vskip 0 mm ';
     $current_output .= $rendered;                                  $body .= &path_to_problem( $res_url, $LaTeXwidth );
  } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {                              $body .= '\vskip 1 mm ' . $ansrendered;
     $printed .= $curresline.':';                              $body     = &encapsulate_minipage($body);
     my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);                              $rendered = $header . $body;
     if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {                          }
  my $url = &Apache::lonnet::clutter($res_url);                      }
  my $annotation = &annotate($url);                      if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
  $annotation    =~ s/(\\end{document})/$annotation$1/;                          my $url        = &Apache::lonnet::clutter($res_url);
     }                          my $annotation = &annotate($url);
     if ($remove_latex_header eq 'YES') {                          $rendered =~
  $rendered = &latex_header_footer_remove($rendered);                            s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
     } else {                      }
  $rendered =~ s/\\end{document}//;                      my $junk;
     }                      if ( $remove_latex_header eq 'YES' ) {
     $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';                          $rendered = &latex_header_footer_remove($rendered);
                       }
  } else {                      else {
     my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);                          $rendered =~ s/\\end{document}//;
     if ($remove_latex_header ne 'NO') {                      }
  $rendered = &latex_header_footer_remove($rendered);                      $current_output .= $rendered;
     } else {                  }
  $rendered =~ s/\\end{document}//;                  elsif (
     }                      $res_url =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ )
     $current_output .= $rendered;                  {
  }                      if ( $i == 1 ) {
     }                          $syllabus_first = 1;
     $remove_latex_header = 'YES';                      }
  }                      $printed .= $curresline . ':';
  if (&Apache::loncommon::connection_aborted($r)) { last; }                      my $rendered =
                         &get_student_view_with_retries( $curresline,
                           $ssi_retry_count, $username, $userdomain,
                           $env{'request.course.id'},
                           'tex', $moreenv );
                       if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {
                           my $url        = &Apache::lonnet::clutter($res_url);
                           my $annotation = &annotate($url);
                           $annotation =~ s/(\\end{document})/$annotation$1/;
                       }
                       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 ';
                   }
                   elsif ( $res_url = ~/\.pdf$/ ) {
                       my $url      = &Apache::lonnet::clutter($res_url);
                       my $rendered = &include_pdf($url);
                       if ( $remove_latex_header ne 'NO' ) {
                           $rendered = &latex_header_footer_remove($rendered);
                       }
                       $current_output .= $rendered;
                   }
                   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();      my $courseidinfo = &get_course();
     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }      my $currentassignment =
     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}        &Apache::lonxml::latex_special_symbols( $helper->{VARS}->{'assignment'},
     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');          'header' );
     my $header_line =      my $header_line =
  &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},        &format_page_header( $LaTeXwidth, $parmhash{'print_header_format'},
     $currentassignment, $courseidinfo, $fullname);          $currentassignment, $courseidinfo, $fullname, $usersection );
     my $header_start = ($columns_in_format == 1) ? '\lhead'      my $header_start =
                                          : '\fancyhead[LO]';        ( $columns_in_format == 1 )
     $header_line = $header_start.'{'.$header_line.'}';        ? '\lhead'
         : '\fancyhead[LO]';
     if ($current_output=~/\\documentclass/) {      $header_line = $header_start . '{' . $header_line . '}';
  $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;      if ( $current_output =~ /\\documentclass/ && ( !$syllabus_first ) ) {
     } else {          $current_output =~
  my $blankpages =   s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
     '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};      }
           elsif ($syllabus_first) {
  $current_output = '\strut\vspace*{-6 mm}\\newline'.  
     &copyright_line().' \newpage '.$blankpages.$end_of_student.          $current_output =~ s/\\\\ Last updated:/Last updated:/;
     '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.      }
     $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;      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.      #  Close the student bracketing.
     #      #
     return ($current_output,$fullname, $printed);      return ( $current_output, $fullname, $printed );
   
 }  }
   
 sub handler {  sub handler {
   
     my $r = shift;      my $r = shift;
       
     &init_perm();  
   
   
       &init_perm();
   
     my $helper = printHelper($r);      my $helper = printHelper($r);
     if (!ref($helper)) {      if ( !ref($helper) ) {
  return $helper;          return $helper;
     }      }
      
   
     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});  
    
   
   
       %parmhash = &Apache::lonnet::coursedescription( $env{'request.course.id'} );
   
     #  If a figure conversion queue file exists for this user.domain      #  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      # we delete it since it can only be bad (if it were good, printout.pl
     # would have deleted it the last time around.      # would have deleted it the last time around.
   
     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";      my $conversion_queuefile =
     if(-e $conversion_queuefile) {        "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
  unlink $conversion_queuefile;      if ( -e $conversion_queuefile ) {
           unlink $conversion_queuefile;
     }      }
       
   
     &output_data($r,$helper,\%parmhash);      &output_data( $r, $helper, \%parmhash );
     return OK;      return OK;
 }   }
   
 use Apache::lonhelper;  use Apache::lonhelper;
   
 sub addMessage {  sub addMessage {
     my $text = shift;      my $text      = shift;
     my $paramHash = Apache::lonhelper::getParamHash();      my $paramHash = Apache::lonhelper::getParamHash();
     $paramHash->{MESSAGE_TEXT} = $text;      $paramHash->{MESSAGE_TEXT} = $text;
     Apache::lonhelper::message->new();      Apache::lonhelper::message->new();
 }  }
   
   
   
 sub init_perm {  sub init_perm {
     undef(%perm);      undef(%perm);
     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});      $perm{'pav'} = &Apache::lonnet::allowed( 'pav', $env{'request.course.id'} );
     if (!$perm{'pav'}) {      if ( !$perm{'pav'} ) {
  $perm{'pav'}=&Apache::lonnet::allowed('pav',          $perm{'pav'} =
   $env{'request.course.id'}.'/'.$env{'request.course.sec'});            &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'} );
  $perm{'pfo'}=&Apache::lonnet::allowed('pfo',      if ( !$perm{'pfo'} ) {
   $env{'request.course.id'}.'/'.$env{'request.course.sec'});          $perm{'pfo'} =
             &Apache::lonnet::allowed( 'pfo',
               $env{'request.course.id'} . '/' . $env{'request.course.sec'} );
     }      }
 }  }
   
 sub get_randomly_ordered_warning {  sub get_randomly_ordered_warning {
     my ($helper,$map) = @_;      my ( $helper, $map ) = @_;
   
     my $message;      my $message;
   
     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};      my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
     my $navmap = Apache::lonnavmaps::navmap->new();      my $navmap = Apache::lonnavmaps::navmap->new();
     my $res = $navmap->getResourceByUrl($map);      if ( defined($navmap) ) {
     if ($res) {          my $res = $navmap->getResourceByUrl($map);
  my $func =           if ($res) {
     sub { return ($_[0]->is_map() && $_[0]->randomorder); };              my $func =
  my @matches = $navmap->retrieveResources($res, $func,1,1,1);                sub { return ( $_[0]->is_map() && $_[0]->randomorder ); };
  if (@matches) {              my @matches = $navmap->retrieveResources( $res, $func, 1, 1, 1 );
     $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";              if (@matches) {
  }                  $message =
   "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
               }
           }
           if ($message) {
               return '<message type="warning">' . $message . '</message>';
           }
     }      }
     if ($message) {      else {
  return '<message type="warning">'.$message.'</message>';          $message =
             "Retrieval of information about ordering of resources failed.";
           return '<message type="warning">' . $message . '</message>';
     }      }
     return;      return;
 }  }
Line 2476  sub get_randomly_ordered_warning { Line 3561  sub get_randomly_ordered_warning {
 sub printHelper {  sub printHelper {
     my $r = shift;      my $r = shift;
   
     if ($r->header_only) {      if ( $r->header_only ) {
         if ($env{'browser.mathml'}) {          if ( $env{'browser.mathml'} ) {
             &Apache::loncommon::content_type($r,'text/xml');              &Apache::loncommon::content_type( $r, 'text/xml' );
         } else {          }
             &Apache::loncommon::content_type($r,'text/html');          else {
               &Apache::loncommon::content_type( $r, 'text/html' );
         }          }
         $r->send_http_header;          $r->send_http_header;
         return OK;          return OK;
     }      }
   
     # Send header, nocache      # Send header, nocache
     if ($env{'browser.mathml'}) {      if ( $env{'browser.mathml'} ) {
         &Apache::loncommon::content_type($r,'text/xml');          &Apache::loncommon::content_type( $r, 'text/xml' );
     } else {      }
         &Apache::loncommon::content_type($r,'text/html');      else {
           &Apache::loncommon::content_type( $r, 'text/html' );
     }      }
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
Line 2499  sub printHelper { Line 3586  sub printHelper {
     # Unfortunately, this helper is so complicated we have to      # Unfortunately, this helper is so complicated we have to
     # write it by hand      # write it by hand
   
     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});      Apache::loncommon::get_unprocessed_cgi( $ENV{QUERY_STRING} );
       
     my $helper = Apache::lonhelper::helper->new("Printing Helper");      my $helper = Apache::lonhelper::helper->new("Printing Helper");
     $helper->declareVar('symb');      $helper->declareVar('symb');
     $helper->declareVar('postdata');          $helper->declareVar('postdata');
     $helper->declareVar('curseed');       $helper->declareVar('curseed');
     $helper->declareVar('probstatus');         $helper->declareVar('probstatus');
     $helper->declareVar('filename');      $helper->declareVar('filename');
     $helper->declareVar('construction');      $helper->declareVar('construction');
     $helper->declareVar('assignment');      $helper->declareVar('assignment');
Line 2515  sub printHelper { Line 3602  sub printHelper {
     $helper->declareVar('PRINT_TYPE');      $helper->declareVar('PRINT_TYPE');
     $helper->declareVar("showallfoils");      $helper->declareVar("showallfoils");
     $helper->declareVar("STUDENTS");      $helper->declareVar("STUDENTS");
       $helper->declareVar("EXTRASPACE");
   
     #  The page breaks and extra spaces
     #  can get loaded initially from the course environment:
     # But we only do this in the initial state so that they are allowed to change.
     #
   
       &Apache::loncommon::restore_course_settings(
           'print',
           {
               'pagebreaks'       => 'scalar',
               'extraspace'       => 'scalar',
               'extraspace_units' => '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"} ) ) {
   
     #  The page breaks can get loaded initially from the course environment:              $helper->{VARS}->{FINISHPAGE}       = $env{'form.pagebreaks'};
     # But we only do this in the initial state so that they are allowed to change.              $helper->{VARS}->{EXTRASPACE}       = $env{'form.extraspace'};
     #              $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
           }
           else {
               my $state = $env{"form.CURRENT_STATE"};
               if ( $state eq "START" ) {
                   $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
                   $helper->{VARS}->{EXTRASPACE_UNITS} =
                     $env{'form.extraspace_units'};
   
     # $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      # Detect whether we're coming from construction space
     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {      if (
         $helper->{VARS}->{'filename'} = "~$1/$2";          $env{'form.postdata'} =~ /^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/ )
       {
           $helper->{VARS}->{'filename'}     = "~$1/$2";
         $helper->{VARS}->{'construction'} = 1;          $helper->{VARS}->{'construction'} = 1;
     } else {      }
         if ($env{'form.postdata'}) {      else {
             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});          if ( $env{'form.postdata'} ) {
     if ( $helper->{VARS}->{'symb'} eq '') {              $helper->{VARS}->{'symb'} =
  $helper->{VARS}->{'postdata'} = $env{'form.postdata'};                &Apache::lonnet::symbread( $env{'form.postdata'} );
     }              if ( $helper->{VARS}->{'symb'} eq '' ) {
                   $helper->{VARS}->{'postdata'} = $env{'form.postdata'};
               }
         }          }
         if ($env{'form.symb'}) {          if ( $env{'form.symb'} ) {
             $helper->{VARS}->{'symb'} = $env{'form.symb'};              $helper->{VARS}->{'symb'} = $env{'form.symb'};
         }          }
         if ($env{'form.url'}) {          if ( $env{'form.url'} ) {
             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});              $helper->{VARS}->{'symb'} =
                 &Apache::lonnet::symbread( $helper->{VARS}->{'postdata'} );
         }          }
   
     }      }
   
     if ($env{'form.symb'}) {      if ( $env{'form.symb'} ) {
         $helper->{VARS}->{'symb'} = $env{'form.symb'};          $helper->{VARS}->{'symb'} = $env{'form.symb'};
     }      }
     if ($env{'form.url'}) {      if ( $env{'form.url'} ) {
         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});          $helper->{VARS}->{'symb'} =
             &Apache::lonnet::symbread( $helper->{VARS}->{'postdata'} );
   
     }      }
     $helper->{VARS}->{'symb'}=      $helper->{VARS}->{'symb'} =
  &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});        &Apache::lonenc::check_encrypt( $helper->{VARS}->{'symb'} );
     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);      my ( $resourceTitle, $sequenceTitle, $mapTitle ) =
     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}        &details_for_menu($helper);
       if ( $sequenceTitle ne '' ) {
           $helper->{VARS}->{'assignment'} = $sequenceTitle;
       }
   
       
     # Extract map      # Extract map
     my $symb = $helper->{VARS}->{'symb'};      my $symb = $helper->{VARS}->{'symb'};
     my ($map, $id, $url);      my ( $map, $id, $url );
     my $subdir;      my $subdir;
     my $is_published=0; # True when printing from resource space.      my $is_published = 0;    # True when printing from resource space.
   
     # Get the resource name from construction space      # Get the resource name from construction space
     if ($helper->{VARS}->{'construction'}) {      if ( $helper->{VARS}->{'construction'} ) {
         $resourceTitle = substr($helper->{VARS}->{'filename'},           $resourceTitle = substr( $helper->{VARS}->{'filename'},
                                 rindex($helper->{VARS}->{'filename'}, '/')+1);              rindex( $helper->{VARS}->{'filename'}, '/' ) + 1 );
         $subdir = substr($helper->{VARS}->{'filename'},          $subdir = substr( $helper->{VARS}->{'filename'},
                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);              0, rindex( $helper->{VARS}->{'filename'}, '/' ) + 1 );
     } else {      }
  if ($symb ne '') {      else {
     ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);  
     $helper->{VARS}->{'postdata'} =           # From course space:
  &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));  
  } else {          if ( $symb ne '' ) {
     $url = $helper->{VARS}->{'postdata'};              ( $map, $id, $url ) = &Apache::lonnet::decode_symb($symb);
     $is_published=1; # From resource space.              $helper->{VARS}->{'postdata'} =
  }                &Apache::lonenc::check_encrypt( &Apache::lonnet::clutter($url) );
  $url = &Apache::lonnet::clutter($url);          }
           else {
         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename              $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'};              my $postdata = $helper->{VARS}->{'postdata'};
             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);              $resourceTitle = substr( $postdata, rindex( $postdata, '/' ) + 1 );
         }          }
         $subdir = &Apache::lonnet::filelocation("", $url);          $subdir = &Apache::lonnet::filelocation( "", $url );
     }      }
     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {      if ( !$helper->{VARS}->{'curseed'} && $env{'form.curseed'} ) {
  $helper->{VARS}->{'curseed'}=$env{'form.curseed'};          $helper->{VARS}->{'curseed'} = $env{'form.curseed'};
     }      }
     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {      if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} ) {
  $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};          $helper->{VARS}->{'probstatus'} = $env{'form.problemstatus'};
     }      }
   
     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();      my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
Line 2638  sub printHelper { Line 3746  sub printHelper {
     my $paramHash;      my $paramHash;
   
     if ($resourceTitle) {      if ($resourceTitle) {
         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];          push @{$printChoices},
             [
               "<b><i>$resourceTitle</i></b> ("
                 . &mt('the resource you just saw on the screen') . ")",
               'current_document', 'PAGESIZE'
             ];
     }      }
   
     # Useful filter strings      # Useful filter strings
     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';      my $isProblem =
         '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;      $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';      my $isProblemOrMap =
   '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
     my $isNotMap = '!$res->is_sequence()';      my $isNotMap = '!$res->is_sequence()';
     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;      $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
     my $isMap = '$res->is_map()';      my $isMap      = '$res->is_map()';
     my $symbFilter = '$res->shown_symb()';      my $symbFilter = '$res->shown_symb()';
     my $urlValue = '$res->link()';      my $urlValue   = '$res->link()';
   
     $helper->declareVar('SEQUENCE');      $helper->declareVar('SEQUENCE');
   
     # If we're in a sequence...      # If we're in a sequence...
   
     my $start_new_option;      my $start_new_option;
     if ($perm{'pav'}) {      if ( $perm{'pav'} ) {
  $start_new_option =           $start_new_option =
     "<option text='".&mt('Start new page<br />before selected').              "<option text='"
     "' variable='FINISHPAGE' />";            . &mt('Start new page<br />before selected')
     }            . "' variable='FINISHPAGE' />"
             . "<option text='"
     if (($helper->{'VARS'}->{'construction'} ne '1' ) &&            . &mt('Extra space<br />before selected')
             . "' variable='EXTRASPACE' type='text' />"
             . "<option "
             . "' variable='POSSIBLE_RESOURCES' type='hidden' />"
             . "<option text='"
             . &mt('Space units<br />check for mm')
             . "' variable='EXTRASPACE_UNITS' type='checkbox' />";
   
       }
   
       # If not construction space user can print the components of a page:
   
       my $page_ispage;
       my $page_title;
       if ( !$helper->{VARS}->{'construction'} ) {
           my $varspostdata   = $helper->{VARS}->{'postdata'};
           my $varsassignment = $helper->{VARS}->{'assignment'};
           my $page_navmap    = Apache::lonnavmaps::navmap->new();
           if ( defined($page_navmap) ) {
               my @page_resources = $page_navmap->retrieveResources($url);
               if ( defined( $page_resources[0] ) ) {
                   $page_ispage = $page_resources[0]->is_page();
                   $page_title  = $page_resources[0]->title();
                   my $resourcesymb = $page_resources[0]->symb();
                   my ( $pagemap, $pageid, $pageurl ) =
                     &Apache::lonnet::decode_symb($symb);
                   if ($page_ispage) {
                       push @{$printChoices},
                         [
                           &mt(
                               'Selected [_1]Problems[_2] from page [_3]',
                               '<b>', '</b>', '<b><i>' . $page_title . '</i></b>'
                           ),
                           'map_problems_in_page',
                           'CHOOSE_PROBLEMS_PAGE'
                         ];
                       push @{$printChoices},
                         [
                           &mt(
                               'Selected [_1]Resources[_2] from page [_3]',
                               '<b>', '</b>', '<b><i>' . $page_title . '</i></b>'
                           ),
                           'map_resources_in_page',
                           'CHOOSE_RESOURCES_PAGE'
                         ];
                   }
                   my $helperFragment = &generate_resource_chooser(
                       'CHOOSE_PROBLEMS_PAGE',
                       'Select Problem(s) to print',
   "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                       'RESOURCES',
                       'PAGESIZE',
                       $url,
                       $isProblem,
                       '',
                       $symbFilter,
                       $start_new_option
                   );
   
                   $helperFragment .= &generate_resource_chooser(
                       'CHOOSE_RESOURCES_PAGE',
                       'Select Resource(s) to print',
   'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                       'RESOURCES',
                       'PAGESIZE',
                       $url,
                       $isNotMap,
                       '',
                       $symbFilter,
                       $start_new_option
                   );
   
  $helper->{VARS}->{'postdata'} &&                  &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment );
  $helper->{VARS}->{'assignment'}) {  
         # Allow problems from sequence  
         push @{$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">      if (   ( $helper->{'VAR'}->{'construction'} ne '1' )
     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"          && $helper->{VARS}->{'postdata'}
               closeallpages="1">          && $helper->{VARS}->{'assignment'} )
       <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', $helperFragment);          # Allow problems from sequence
     }          push @{$printChoices},
             [
               &mt(
                   'Selected [_1]Problems[_2] from folder [_3]',
                   '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>'
               ),
               'map_problems',
               'CHOOSE_PROBLEMS'
             ];
   
     # If the user has pfo (print for otheres) allow them to print all           # Allow all resources from sequence
     # problems and resources  in the entier course, optionally for selected students          push @{$printChoices},
     if ($perm{'pfo'} &&  !$is_published  &&            [
         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {               &mt(
                   'Selected [_1]Resources[_2] from folder [_3]',
         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];                  '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>'
  push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];              ),
  push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];              'map_problems_pages',
          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);              'CHOOSE_PROBLEMS_HTML'
   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">            ];
     <resource variable="RESOURCES" toponly='0' multichoice="1"          my $helperFragment = &generate_resource_chooser(
  suppressEmptySequences='0' addstatus="1" closeallpages="1">              'CHOOSE_PROBLEMS',
       <nextstate>PAGESIZE</nextstate>              'Select Problem(s) to print',
       <filterfunc>return $isProblemOrMap;</filterfunc>              'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
       <choicefunc>return $isNotMap;</choicefunc>              'RESOURCES',
       <valuefunc>return $symbFilter;</valuefunc>              'PAGESIZE',
       $start_new_option              $map,
     </resource>              $isProblem,
   </state>              '',
   <state name="ALL_RESOURCES" title="Select Resource(s) to print">              $symbFilter,
     <resource variable="RESOURCES" toponly='0' multichoice='1'              $start_new_option
               suppressEmptySequences='0' addstatus='1' closeallpages='1'>          );
       <nextstate>PAGESIZE</nextstate>          $helperFragment .= &generate_resource_chooser(
       <filterfunc>return $isNotMap; </filterfunc>              'CHOOSE_PROBLEMS_HTML',
       <valuefunc>return $symbFilter;</valuefunc>              'Select Resource(s) to print',
       $start_new_option              'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
     </resource>              'RESOURCES',
   </state>              'PAGESIZE',
   <state name="ALL_PROBLEMS_STUDENTS" title="Select Problem(s) to print">              $map,
     <resource variable="RESOURCES" toponly='0' multichoice="1"              $isNotMap,
  suppressEmptySequences='0' addstatus="1" closeallpages="1">              '',
       <nextstate>STUDENTS1</nextstate>              $symbFilter,
       <filterfunc>return $isProblemOrMap;</filterfunc>              $start_new_option
       <choicefunc>return $isNotMap;</choicefunc>          );
       <valuefunc>return $symbFilter;</valuefunc>  
       $start_new_option          &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment );
     </resource>      }
   </state>  
   # If the user has pfo (print for others) allow them to print all
   # problems and resources  in the entire course, optionally for selected students
       my $post_data = $helper->{VARS}->{'postdata'};
       if (
              $perm{'pfo'}
           && !$is_published
           && (   $post_data =~ /\/res\//
               || $post_data =~ /\/(syllabus|smppg|aboutme|bulletinboard)$/ )
         )
       {
   
           push @{$printChoices},
             [
               &mtn('Selected <b>Problems</b> from <b>entire course</b>'),
               'all_problems', 'ALL_PROBLEMS'
             ];
           push @{$printChoices},
             [
               &mtn('Selected <b>Resources</b> from <b>entire course</b>'),
               'all_resources', 'ALL_RESOURCES'
             ];
           push @{$printChoices},
             [
               &mtn(
   'Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'
               ),
               'all_problems_students',
               'ALL_PROBLEMS_STUDENTS'
             ];
           my $suffixXml = <<ALL_PROBLEMS;
   <state name="STUDENTS1" title="Select People">    <state name="STUDENTS1" title="Select People">
       <message><b>Select sorting order of printout</b> </message>        <message><b>Select sorting order of printout</b> </message>
     <choices variable='student_sort'>      <choices variable='student_sort'>
Line 2745  HELPERFRAGMENT Line 3948  HELPERFRAGMENT
       <message><br /><hr /><br /> </message>        <message><br /><hr /><br /> </message>
       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>        <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
   </state>    </state>
   
 ALL_PROBLEMS  ALL_PROBLEMS
           &Apache::lonxml::xmlparse(
               $r, 'helper',
               &generate_resource_chooser(
                   'ALL_PROBLEMS',
                   'SelectProblem(s) to print',
   'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   'RESOURCES',
                   'PAGESIZE',
                   '',
                   $isProblemOrMap,
                   $isNotMap,
                   $symbFilter,
                   $start_new_option
                 )
                 . &generate_resource_chooser(
                   'ALL_RESOURCES',
                   'Select Resource(s) to print',
   " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   'RESOURCES',
                   'PAGESIZE',
                   '',
                   $isNotMap,
                   '',
                   $symbFilter,
                   $start_new_option
                 )
                 . &generate_resource_chooser(
                   'ALL_PROBLEMS_STUDENTS',
                   'Select Problem(s) to print',
   'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   'RESOURCES',
                   'STUDENTS1',
                   '',
                   $isProblemOrMap,
                   '',
                   $symbFilter,
                   $start_new_option
                 )
                 . $suffixXml
           );
   
           if ( $helper->{VARS}->{'assignment'} ) {
   
        # If we were looking at a page, allow a selection of problems from the page
        # either for selected students or for coded assignments.
   
               if ($page_ispage) {
                   push @{$printChoices},
                     [
                       &mt(
   'Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                           '<b>',
                           '</b>',
                           '<b><i>' . $page_title . '</i></b>',
                           '<b>',
                           '</b>'
                       ),
                       'problems_for_students_from_page',
                       'CHOOSE_TGT_STUDENTS_PAGE'
                     ];
                   push @{$printChoices},
                     [
                       &mt(
   'Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                           '<b>',
                           '</b>',
                           '<b><i>' . $page_title . '</i></b>',
                           '<b>',
                           '</b>'
                       ),
                       'problems_for_anon_page',
                       'CHOOSE_ANON1_PAGE'
                     ];
               }
               push @{$printChoices},
                 [
                   &mt(
   'Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                       '<b>',
                       '</b>',
                       '<b><i>' . $sequenceTitle . '</i></b>',
                       '<b>',
                       '</b>'
                   ),
                   'problems_for_students',
                   'CHOOSE_STUDENTS'
                 ];
               push @{$printChoices},
                 [
                   &mt(
   'Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                       '<b>',
                       '</b>',
                       '<b><i>' . $sequenceTitle . '</i></b>',
                       '<b>',
                       '</b>'
                   ),
                   'problems_for_anon',
                   'CHOOSE_ANON1'
                 ];
           }
   
  if ($helper->{VARS}->{'assignment'}) {          my $randomly_ordered_warning =
     push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS'];            &get_randomly_ordered_warning( $helper, $map );
     push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'problems_for_anon', 'CHOOSE_ANON1'];  
  }  
   
  my $randomly_ordered_warning =   
     &get_randomly_ordered_warning($helper,$map);  
   
  # resource_selector will hold a few states that:     # resource_selector will hold a few states that:
  #   - Allow resources to be selected for printing.     #   - Allow resources to be selected for printing.
  #   - Determine pagination between assignments.     #   - Determine pagination between assignments.
  #   - Determine how many assignments should be bundled into a single PDF.     #   - Determine how many assignments should be bundled into a single PDF.
         # TODO:     # TODO:
  #    Probably good to do things like separate this up into several vars, each     #    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     #    with one state, and use REGEXPs at inclusion time to set state names
  #    and next states for better mix and match capability     #    and next states for better mix and match capability
  #     #
  my $resource_selector=<<RESOURCE_SELECTOR;          my $resource_selector = &generate_resource_chooser(
     <state name="SELECT_PROBLEMS" title="Select resources to print">              'SELECT_PROBLEMS',
     $randomly_ordered_warning              'Select resources to print',
               'multichoice="1" addstatus="1" closeallpages="1"',
    <nextstate>PRINT_FORMATTING</nextstate>               'RESOURCES',
    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>              'PRINT_FORMATTING',
     <resource variable="RESOURCES" multichoice="1" addstatus="1"               $map,
               closeallpages="1">              $isProblem,
       <filterfunc>return $isProblem;</filterfunc>              '',
       <mapurl>$map</mapurl>              $symbFilter,
       <valuefunc>return $symbFilter;</valuefunc>              $start_new_option
       $start_new_option          );
       </resource>          $resource_selector .= <<RESOURCE_SELECTOR;
     </state>  
     <state name="PRINT_FORMATTING" title="How should results be printed?">      <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>      <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
     <choices variable="EMPTY_PAGES">      <choices variable="EMPTY_PAGES">
Line 2798  ALL_PROBLEMS Line 4095  ALL_PROBLEMS
     </choices>      </choices>
     </state>      </state>
 RESOURCE_SELECTOR  RESOURCE_SELECTOR
           $resource_selector .= &generate_resource_chooser(
               'CHOOSE_STUDENTS_PAGE',
               'Select Problem(s) to print',
               "multichoice='1' addstatus='1' closeallpages ='1'",
               'RESOURCES',
               'PRINT_FORMATTING',
               $url,
               $isProblem,
               '',
               $symbFilter,
               $start_new_option
           );
   
           # Generate student choosers.
   
           &Apache::lonxml::xmlparse(
               $r, 'helper',
               &generate_student_chooser(
                   'CHOOSE_TGT_STUDENTS_PAGE', 'student_sort',
                   'STUDENTS',                 'CHOOSE_STUDENTS_PAGE'
               )
           );
           &Apache::lonxml::xmlparse(
               $r, 'helper',
               &generate_student_chooser(
                   'CHOOSE_STUDENTS', 'student_sort',
                   'STUDENTS',        'SELECT_PROBLEMS'
               )
           );
           &Apache::lonxml::xmlparse( $r, 'helper', $resource_selector );
   
           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>';
           }
   
         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);          my %code_values;
   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">          my %codes_to_print;
       <message><b>Select sorting order of printout</b> </message>          foreach my $key (@names) {
     <choices variable='student_sort'>              %code_values = &Apache::grades::get_codes( $key, $cdom, $cnum );
       <choice computer='0'>Sort by section then student</choice>              foreach my $key ( keys(%code_values) ) {
       <choice computer='1'>Sort by students across sections.</choice>                  $codes_to_print{$key} = 1;
     </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;          my $code_selection;
  foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {          foreach
     my $choice  = $code;            my $code ( sort { uc($a) cmp uc($b) } ( keys(%codes_to_print) ) )
     if ($code =~ /^[A-Z]+$/) { # Alpha code          {
  $choice = &letters_to_num($code);              my $choice = $code;
     }              if ( $code =~ /^[A-Z]+$/ ) {    # Alpha code
     push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);                  $choice = &letters_to_num($code);
  }              }
  if (%codes_to_print) {              push( @{ $helper->{DATA}{ALL_CODE_CHOICES} }, [ $code, $choice ] );
     $code_selection .='             }
           if (%codes_to_print) {
               $code_selection .= '   
     <message><b>Choose single CODE from list:</b></message>      <message><b>Choose single CODE from list:</b></message>
  <message></td><td></message>   <message></td><td></message>
  <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">   <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
Line 2851  CHOOSE_STUDENTS Line 4167  CHOOSE_STUDENTS
                   </exec>                    </exec>
  </dropdown>   </dropdown>
     <message></td></tr><tr><td></message>      <message></td></tr><tr><td></message>
             '.$/;              ' . $/;
   
  }  
   
         my @lines = &Apache::grades::get_scantronformat_file();  
  my $codechoice='';  
  foreach my $line (@lines) {  
     my ($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 save 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 ($helper->{VARS}->{'assignment'}) {          my @lines      = &Apache::grades::get_scantronformat_file();
     push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1'];          my $codechoice = '';
     push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2'];          foreach my $line (@lines) {
  }              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>';
           }
           my $anon1 =
             &generate_code_selector( $helper, 'CHOOSE_ANON1', 'SELECT_PROBLEMS',
               $codechoice, $code_selection, $namechoice )
             . $resource_selector;
   
           &Apache::lonxml::xmlparse( $r, 'helper', $anon1 );
   
           my $anon_page =
             &generate_code_selector( $helper, 'CHOOSE_ANON1_PAGE',
               'SELECT_PROBLEMS_PAGE', $codechoice, $code_selection, $namechoice )
             . &generate_resource_chooser(
               'SELECT_PROBLEMS_PAGE',
               'Select Problem(s) to print',
               "multichoice='1' addstatus='1' closeallpages ='1'",
               'RESOURCES',
               'PRINT_FORMATTING',
               $url,
               $isProblem,
               '',
               $symbFilter,
               $start_new_option
             );
           &Apache::lonxml::xmlparse( $r, 'helper', $anon_page );
   
           if ( $helper->{VARS}->{'assignment'} ) {
               push @{$printChoices},
                 [
                   &mt(
   'Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]',
                       '<b>',
                       '</b>',
                       '<b><i>' . $sequenceTitle . '</i></b>',
                       '<b>',
                       '</b>'
                   ),
                   'resources_for_students',
                   'CHOOSE_STUDENTS1'
                 ];
               push @{$printChoices},
                 [
                   &mt(
   'Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                       '<b>',
                       '</b>',
                       '<b><i>' . $sequenceTitle . '</i></b>',
                       '<b>',
                       '</b>'
                   ),
                   'resources_for_anon',
                   'CHOOSE_ANON2'
                 ];
           }
   
  $resource_selector=<<RESOURCE_SELECTOR;          $resource_selector = <<RESOURCE_SELECTOR;
     <state name="SELECT_RESOURCES" title="Select Resources">      <state name="SELECT_RESOURCES" title="Select Resources">
     $randomly_ordered_warning      $randomly_ordered_warning
   
     <nextstate>PRINT_FORMATTING</nextstate>      <nextstate>PRINT_FORMATTING</nextstate>
     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>      <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
     <resource variable="RESOURCES" multichoice="1" addstatus="1"       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
Line 2947  CHOOSE_ANON1 Line 4255  CHOOSE_ANON1
       $start_new_option        $start_new_option
       </resource>        </resource>
     </state>      </state>
   
     <state name="PRINT_FORMATTING" title="Format of the print job">      <state name="PRINT_FORMATTING" title="Format of the print job">
     <nextstate>NUMBER_PER_PDF</nextstate>      <nextstate>NUMBER_PER_PDF</nextstate>
     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>      <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
Line 2968  CHOOSE_ANON1 Line 4277  CHOOSE_ANON1
     </state>      </state>
 RESOURCE_SELECTOR  RESOURCE_SELECTOR
   
  &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);          &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_STUDENTS1);
   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">    <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
     <choices variable='student_sort'>      <choices variable='student_sort'>
       <choice computer='0'>Sort by section then student</choice>        <choice computer='0'>Sort by section then student</choice>
Line 2981  RESOURCE_SELECTOR Line 4290  RESOURCE_SELECTOR
     $resource_selector      $resource_selector
 CHOOSE_STUDENTS1  CHOOSE_STUDENTS1
   
  &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);          &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_ANON2);
   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">    <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
     <nextstate>SELECT_RESOURCES</nextstate>      <nextstate>SELECT_RESOURCES</nextstate>
     <message><h4>Fill out one of the forms below</h4></message>      <message><h4>Fill out one of the forms below</h4></message>
Line 3040  CHOOSE_ANON2 Line 4349  CHOOSE_ANON2
     }      }
   
     # FIXME: That RE should come from a library somewhere.      # FIXME: That RE should come from a library somewhere.
     if (($perm{'pav'}       if (
  && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'          (
  && (defined($helper->{'VARS'}->{'construction'})                 $perm{'pav'} 
     ||              && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}
     (&Apache::lonnet::allowed('bre',$subdir) eq 'F'              . '/res/'
      &&               && (
      $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)                  defined( $helper->{'VARS'}->{'construction'} )
     ))                   || (   &Apache::lonnet::allowed( 'bre', $subdir ) eq 'F'
  && $helper->{VARS}->{'assignment'} eq ""                      && $helper->{VARS}->{'postdata'} =~
  ) {  /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/
                   )
  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'];          )
           && $helper->{VARS}->{'assignment'} eq ""
         )
       {
           my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
           push @{$printChoices},
             [
               &mt(
                   'Selected [_1]Problems[_2] from current subdirectory [_3]',
                   '<b>',
                   '</b>',
                   '<b><i>' . $pretty_dir . '</i></b>',
                   '<b>',
                   '</b>'
               ),
               'problems_from_directory',
               'CHOOSE_FROM_SUBDIR'
             ];
         my $xmlfrag = <<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">    <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
   
Line 3060  CHOOSE_ANON2 Line 4386  CHOOSE_ANON2
       <nextstate>PAGESIZE</nextstate>        <nextstate>PAGESIZE</nextstate>
       <filechoice>return '$subdir';</filechoice>        <filechoice>return '$subdir';</filechoice>
 CHOOSE_FROM_SUBDIR  CHOOSE_FROM_SUBDIR
           
         # this is broken up because I really want interpolation above,          # this is broken up because I really want interpolation above,
         # and I really DON'T want it below          # and I really DON'T want it below
         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';          $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
Line 3070  CHOOSE_FROM_SUBDIR Line 4396  CHOOSE_FROM_SUBDIR
       </files>        </files>
     </state>      </state>
 CHOOSE_FROM_SUBDIR  CHOOSE_FROM_SUBDIR
         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);          &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag );
     }      }
   
     # Allow the user to select any sequence in the course, feed it to      # Allow the user to select any sequence in the course, feed it to
     # another resource selector for that sequence      # another resource selector for that sequence
     if (!$helper->{VARS}->{'construction'} && !$is_published) {      if ( !$helper->{VARS}->{'construction'} && !$is_published ) {
  push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),          push @$printChoices,
       'select_sequences', 'CHOOSE_SEQUENCE'];            [
  my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};              &mtn(
  #Escape apostrophes and backslashes for Perl  "Selected <b>Resources</b> from <b>selected folder</b> in course"
  $escapedSequenceName =~ s/\\/\\\\/g;              ),
  $escapedSequenceName =~ s/'/\\'/g;              'select_sequences',
  &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);              '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">    <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
     <message>Select the sequence to print resources from:</message>      <message>Select the sequence to print resources from:</message>
     <resource variable="SEQUENCE">      <resource variable="SEQUENCE">
Line 3105  CHOOSE_FROM_SUBDIR Line 4438  CHOOSE_FROM_SUBDIR
       </resource>        </resource>
     </state>      </state>
 CHOOSE_FROM_ANY_SEQUENCE  CHOOSE_FROM_ANY_SEQUENCE
 }      }
   
     # Generate the first state, to select which resources get printed.      # Generate the first state, to select which resources get printed.
     Apache::lonhelper::state->new("START", "Select Printing Options:");      Apache::lonhelper::state->new( "START", "Select Printing Options:" );
     $paramHash = Apache::lonhelper::getParamHash();      $paramHash = Apache::lonhelper::getParamHash();
     $paramHash->{MESSAGE_TEXT} = "";      $paramHash->{MESSAGE_TEXT} = "";
     Apache::lonhelper::message->new();      Apache::lonhelper::message->new();
     $paramHash = Apache::lonhelper::getParamHash();      $paramHash               = Apache::lonhelper::getParamHash();
     $paramHash->{'variable'} = 'PRINT_TYPE';      $paramHash->{'variable'} = 'PRINT_TYPE';
     $paramHash->{CHOICES} = $printChoices;      $paramHash->{CHOICES}    = $printChoices;
     Apache::lonhelper::choices->new();      Apache::lonhelper::choices->new();
   
     my $startedTable = 0; # have we started an HTML table yet? (need      my $startedTable = 0;    # have we started an HTML table yet? (need
                           # to close it later)                               # to close it later)
   
     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or       if (
  ($helper->{VARS}->{'construction'} eq '1')) {          (
  addMessage("<hr width='33%' /><table><tr><td align='right'>".                  $perm{'pav'}
                    '<label for="ANSWER_TYPE_forminput">'.              and &Apache::lonnet::allowed( 'vgr', $env{'request.course.id'} )
                    &mt('Print').          )
                    "</label>: </td><td>");          or ( $helper->{VARS}->{'construction'} eq '1' )
         )
       {
           &addMessage(
                   '<br />' . '<h3>'
                 . &mt('Print Options') . '</h3>'
                 . &Apache::lonhtmlcommon::start_pick_box()
                 . &Apache::lonhtmlcommon::row_title(
                       '<label for="ANSWER_TYPE_forminput">'
                     . &mt('Print Answers')
                     . '</label>'
                 )
           );
         $paramHash = Apache::lonhelper::getParamHash();          $paramHash = Apache::lonhelper::getParamHash();
  $paramHash->{'variable'} = 'ANSWER_TYPE';             $paramHash->{'variable'} = 'ANSWER_TYPE';
  $helper->declareVar('ANSWER_TYPE');                   $helper->declareVar('ANSWER_TYPE');
         $paramHash->{CHOICES} = [          $paramHash->{CHOICES} = [
                                    ['Without Answers', 'yes'],              [ 'Without Answers', 'yes' ],
                                    ['With Answers', 'no'],              [ 'With Answers',    'no' ],
                                    ['Only Answers', 'only']              [ 'Only Answers',    'only' ]
                                 ];          ];
         Apache::lonhelper::dropdown->new();          Apache::lonhelper::dropdown->new();
  addMessage("</td></tr>");          &addMessage( &Apache::lonhtmlcommon::row_closure() );
  $startedTable = 1;          $startedTable = 1;
     }  
   
     if ($perm{'pav'}) {          #
  if (!$startedTable) {          #  Select font size.
     addMessage("<hr width='33%' /><table><tr><td align='right'>".          #
                        '<label for="LATEX_TYPE_forminput">'.  
                        &mt('LaTeX mode').          $helper->declareVar('fontsize');
                        "</label>: </td><td>");          &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Font Size') ) );
     $startedTable = 1;          my $xmlfrag = << "FONT_SELECTION";
  } else {  
     addMessage("<tr><td align='right'>".            
                        '<label for="LATEX_TYPE_forminput">'.              <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                         &mt('LaTeX mode').              <defaultvalue>
                        "</label>: </td><td>");    return 'normalsize';
  }              </defaultvalue>
               <choice computer='tiny'>Tiny</choice>
               <choice computer='sub/superscriptsize'>Script Size</choice>
               <choice computer='footnotesize'>Footnote Size</choice>
               <choice computer='small'>Small</choice>
               <choice computer='normalsize'>Normal (default)</choice>
               <choice computer='large'>larger than normal</choice>
               <choice computer='Large'>Even larger than normal</choice>
               <choice computer='LARGE'>Still larger than normal</choice>
               <choice computer='huge'>huge font size</choice>
               <choice computer='Huge'>Largest possible size</choice>
               </dropdown>
   FONT_SELECTION
           &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag );
           &addMessage( &Apache::lonhtmlcommon::row_closure(1) );
       }
   
       if ( $perm{'pav'} ) {
           if ( !$startedTable ) {
               addMessage( "<hr width='33%' /><table><tr><td align='right'>"
                     . '<label for="LATEX_TYPE_forminput">'
                     . &mt('LaTeX mode')
                     . "</label>: </td><td>" );
               $startedTable = 1;
           }
           else {
               &addMessage(
                   &Apache::lonhtmlcommon::row_title(
                           '<label for="LATEX_TYPE_forminput">'
                         . &mt('LaTeX mode')
                         . '</label>'
                   )
               );
           }
         $paramHash = Apache::lonhelper::getParamHash();          $paramHash = Apache::lonhelper::getParamHash();
  $paramHash->{'variable'} = 'LATEX_TYPE';             $paramHash->{'variable'} = 'LATEX_TYPE';
  $helper->declareVar('LATEX_TYPE');            $helper->declareVar('LATEX_TYPE');
  if ($helper->{VARS}->{'construction'} eq '1') {                 if ( $helper->{VARS}->{'construction'} eq '1' ) {
     $paramHash->{CHOICES} = [              $paramHash->{CHOICES} = [
      ['standard LaTeX mode', 'standard'],                   [ 'standard LaTeX mode', 'standard' ],
      ['LaTeX batchmode', 'batchmode'], ];                  [ 'LaTeX batchmode',     'batchmode' ],
  } else {              ];
     $paramHash->{CHOICES} = [          }
      ['LaTeX batchmode', 'batchmode'],          else {
      ['standard LaTeX mode', 'standard'] ];              $paramHash->{CHOICES} = [
  }                  [ 'LaTeX batchmode',     'batchmode' ],
                   [ 'standard LaTeX mode', 'standard' ]
               ];
           }
         Apache::lonhelper::dropdown->new();          Apache::lonhelper::dropdown->new();
    
  addMessage("</td></tr><tr><td align='right'>".          &addMessage(
                    '<label for="TABLE_CONTENTS_forminput">'.              &Apache::lonhtmlcommon::row_closure()
                    &mt('Print Table of Contents').                . &Apache::lonhtmlcommon::row_title(
                    "</label>: </td><td>");                      '<label for="TABLE_CONTENTS_forminput">'
                     . &mt('Print Table of Contents')
                     . '</label>'
                 )
           );
         $paramHash = Apache::lonhelper::getParamHash();          $paramHash = Apache::lonhelper::getParamHash();
  $paramHash->{'variable'} = 'TABLE_CONTENTS';             $paramHash->{'variable'} = 'TABLE_CONTENTS';
  $helper->declareVar('TABLE_CONTENTS');                   $helper->declareVar('TABLE_CONTENTS');
         $paramHash->{CHOICES} = [          $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];
                                    ['No', 'no'],  
                                    ['Yes', 'yes'] ];  
         Apache::lonhelper::dropdown->new();          Apache::lonhelper::dropdown->new();
  addMessage("</td></tr>");          &addMessage( &Apache::lonhtmlcommon::row_closure() );
           
  if (not $helper->{VARS}->{'construction'}) {          if ( not $helper->{VARS}->{'construction'} ) {
     addMessage("<tr><td align='right'>".              &addMessage(
                        '<label for="TABLE_INDEX_forminput">'.                  &Apache::lonhtmlcommon::row_title(
                        &mt('Print Index').                          '<label for="TABLE_INDEX_forminput">'
                        "</label>: </td><td>");                        . &mt('Print Index')
     $paramHash = Apache::lonhelper::getParamHash();                        . '</label>'
     $paramHash->{'variable'} = 'TABLE_INDEX';                     )
     $helper->declareVar('TABLE_INDEX');                       );
     $paramHash->{CHOICES} = [              $paramHash = Apache::lonhelper::getParamHash();
      ['No', 'no'],              $paramHash->{'variable'} = 'TABLE_INDEX';
      ['Yes', 'yes'] ];              $helper->declareVar('TABLE_INDEX');
     Apache::lonhelper::dropdown->new();              $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];
     addMessage("</td></tr>");              Apache::lonhelper::dropdown->new();
     addMessage("<tr><td align='right'>".              &addMessage( &Apache::lonhtmlcommon::row_closure() );
                        '<label for="PRINT_DISCUSSIONS_forminput">'.              &addMessage(
                        &mt('Print Discussions').                  &Apache::lonhtmlcommon::row_title(
                        "</label>: </td><td>");                          '<label for="PRINT_DISCUSSIONS_forminput">'
     $paramHash = Apache::lonhelper::getParamHash();                        . &mt('Print Discussions')
     $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';                           . '</label>'
     $helper->declareVar('PRINT_DISCUSSIONS');                           )
     $paramHash->{CHOICES} = [              );
      ['No', 'no'],              $paramHash = Apache::lonhelper::getParamHash();
      ['Yes', 'yes'] ];              $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
     Apache::lonhelper::dropdown->new();              $helper->declareVar('PRINT_DISCUSSIONS');
     addMessage("</td></tr>");              $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];
               Apache::lonhelper::dropdown->new();
     # Prompt for printing annotations too.              &addMessage( &Apache::lonhtmlcommon::row_closure() );
   
     addMessage("<tr><td align='right'>".              # Prompt for printing annotations too.
        '<label for="PRINT_ANNOTATIONS_forminput">'.  
        &mt('Print Annotations').              &addMessage(
        "</label>:</td><td>");                  &Apache::lonhtmlcommon::row_title(
     $paramHash = Apache::lonhelper::getParamHash();                          '<label for="PRINT_ANNOTATIONS_forminput">'
     $paramHash->{'variable'} = "PRINT_ANNOTATIONS";                        . &mt('Print Annotations')
     $helper->declareVar("PRINT_ANNOTATIONS");                        . '</label>'
     $paramHash->{CHOICES} = [                  )
      ['No', 'no'],              );
      ['Yes', 'yes']];              $paramHash = Apache::lonhelper::getParamHash();
     Apache::lonhelper::dropdown->new();              $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
     addMessage("</td></tr>");              $helper->declareVar("PRINT_ANNOTATIONS");
               $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];
     addMessage("<tr><td align = 'right'>  </td><td>");              Apache::lonhelper::dropdown->new();
     $paramHash = Apache::lonhelper::getParamHash();              &addMessage( &Apache::lonhtmlcommon::row_closure() );
     $paramHash->{'multichoice'} = "true";  
     $paramHash->{'allowempty'}  = "true";              &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Foils') ) );
     $paramHash->{'variable'}   = "showallfoils";              $paramHash                  = Apache::lonhelper::getParamHash();
     $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];              $paramHash->{'multichoice'} = "true";
     Apache::lonhelper::choices->new();              $paramHash->{'allowempty'}  = "true";
     addMessage("</td></tr>");              $paramHash->{'variable'}    = "showallfoils";
  }              $paramHash->{'CHOICES'} = [ [ &mt('Show All Foils'), "1" ] ];
               Apache::lonhelper::choices->new();
               &addMessage( &Apache::lonhtmlcommon::row_closure(1) );
           }
   
  if ($helper->{'VARS'}->{'construction'}) {           if ( $helper->{'VARS'}->{'construction'} ) {
     my $stylevalue='$Apache::lonnet::env{"construct.style"}';              my $stylevalue     = '$Apache::lonnet::env{"construct.style"}';
             my $randseedtext=&mt("Use random seed");              my $randseedtext   = &mt("Use random seed");
             my $stylefiletext=&mt("Use style file");              my $stylefiletext  = &mt("Use style file");
             my $selectfiletext=&mt("Select style file");              my $selectfiletext = &mt("Select style file");
   
     my $xmlfrag .= <<"RNDSEED";              my $xmlfrag .=
     <message><tr><td align='right'>                '<message>'
             <label for="curseed_forminput">$randseedtext</label>:                . &Apache::lonhtmlcommon::row_title(
             </td><td></message>                  '<label for="curseed_forminput">' . $randseedtext . '</label>' )
     <string variable="curseed" size="15" maxlength="15">                . '</message>
  <defaultvalue>              <string variable="curseed" size="15" maxlength="15">
             return $helper->{VARS}->{'curseed'};                  <defaultvalue>
         </defaultvalue>                     return ' . $helper->{VARS}->{'curseed'} . ';
     </string>                  </defaultvalue>'
      <message></td></tr><tr><td align="right">                . '</string>'
              <label for="style_file">$stylefiletext</label>:                . '<message>'
              </td><td></message>                . &Apache::lonhtmlcommon::row_closure()
                 . &Apache::lonhtmlcommon::row_title(
                   '<label for="style_file">' . $stylefiletext . '</label>' )
                 . '</message>
              <string variable="style_file" size="40">               <string variable="style_file" size="40">
  <defaultvalue>                  <defaultvalue>
             return $stylevalue;                      return ' . $stylevalue . ';
         </defaultvalue>                  </defaultvalue>
              </string><message>&nbsp; <a href="javascript:openbrowser('helpform','style_file_forminput','sty')">$selectfiletext</a> </td></tr><tr><td></td><td align="left"></message>               </string><message>&nbsp;'
                 . qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                 . $selectfiletext . '</a>'
                 . &Apache::lonhtmlcommon::row_closure()
                 . &Apache::lonhtmlcommon::row_title( &mt('Show All Foils') )
                 . '</message>
      <choices allowempty="1" multichoice="true" variable="showallfoils">       <choices allowempty="1" multichoice="true" variable="showallfoils">
                 <choice computer="1">Show all foils</choice>                  <choice computer="1">&nbsp;</choice>
              </choices>               </choices>'
      <message></td></tr></message>                . '<message>'
 RNDSEED                . &Apache::lonhtmlcommon::row_closure()
             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);                . '</message>';
               &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag );
   
     addMessage("<tr><td>Problem Type:</td><td>");              &addMessage(
     #                  &Apache::lonhtmlcommon::row_title( &mt('Problem Type') ) );
     # Initial value from construction space:  
     #              #
     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {              # Initial value from construction space:
  $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value              #
     }              if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} )
     $xmlfrag = << "PROBTYPE";              {
                   $helper->{VARS}->{'probstatus'} =
                     $env{'form.problemtype'};    # initial value
               }
               $xmlfrag = << "PROBTYPE";
  <dropdown variable="probstatus" multichoice="0" allowempty="0">   <dropdown variable="probstatus" multichoice="0" allowempty="0">
    <defaultvalue>     <defaultvalue>
       return "$helper->{VARS}->{'probstatus'}";        return "$helper->{VARS}->{'probstatus'}";
Line 3276  RNDSEED Line 4673  RNDSEED
    <choice computer="problem">Homework Problem</choice>     <choice computer="problem">Homework Problem</choice>
    <choice computer="exam">Exam Problem</choice>     <choice computer="exam">Exam Problem</choice>
    <choice computer="survey">Survey question</choice>     <choice computer="survey">Survey question</choice>
                      ,choice computer="anonsurvey"Anonymous survey question</choice>
  </dropdown>   </dropdown>
 PROBTYPE  PROBTYPE
             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);              &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag );
                   &addMessage( &Apache::lonhtmlcommon::row_closure(1) );
     addMessage("</td></tr>");   
   
  }           }
     }      }
   
   
   
   
     if ($startedTable) {      if ($startedTable) {
  addMessage("</table>");          &addMessage( &Apache::lonhtmlcommon::end_pick_box() );
     }      }
   
     Apache::lonprintout::page_format_state->new("FORMAT");      Apache::lonprintout::page_format_state->new("FORMAT");
   
     # Generate the PAGESIZE state which will offer the user the margin      # Generate the PAGESIZE state which will offer the user the margin
     # choices if they select one column      # choices if they select one column
     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");      Apache::lonhelper::state->new( "PAGESIZE", "Set Margins" );
     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');      Apache::lonprintout::page_size_state->new( 'pagesize', 'FORMAT', 'FINAL' );
   
   
     $helper->process();      $helper->process();
   
   
     # MANUAL BAILOUT CONDITION:      # MANUAL BAILOUT CONDITION:
     # If we're in the "final" state, bailout and return to handler      # If we're in the "final" state, bailout and return to handler
     if ($helper->{STATE} eq 'FINAL') {      if ( $helper->{STATE} eq 'FINAL' ) {
         return $helper;          return $helper;
     }          }
   
     $r->print($helper->display());      $r->print( $helper->display() );
     if ($helper->{STATE} eq 'START') {      if ( $helper->{STATE} eq 'START' ) {
  &recently_generated($r);          &recently_generated($r);
     }      }
     &Apache::lonhelper::unregisterHelperTags();      &Apache::lonhelper::unregisterHelperTags();
   
     return OK;      return OK;
 }  }
   
   
 1;  1;
   
 package Apache::lonprintout::page_format_state;  package Apache::lonprintout::page_format_state;
Line 3355  use Apache::lonlocal; Line 4746  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   
 my $maxColumns = 2;  my $maxColumns = 2;
   
 # it'd be nice if these all worked  # it'd be nice if these all worked
 #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",   #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
 #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",  #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
 #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",   #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
 #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );  #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
 my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",   my @paperSize =
  "a4 [210x297 mm]");    ( "letter [8 1/2x11 in]", "legal [8 1/2x14 in]", "a4 [210x297 mm]" );
   
 # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |  # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
 #                   Paper type  #                   Paper type
   
 sub new {   sub new {
     my $self = Apache::lonhelper::element->new();      my $self = Apache::lonhelper::element->new();
   
     shift;      shift;
   
     $self->{'variable'} = shift;      $self->{'variable'} = shift;
     my $helper = Apache::lonhelper::getHelper();      my $helper = Apache::lonhelper::getHelper();
     $helper->declareVar($self->{'variable'});      $helper->declareVar( $self->{'variable'} );
     bless($self);      bless($self);
     return $self;      return $self;
 }  }
   
 sub render {  sub render {
     my $self = shift;      my $self            = shift;
     my $helper = Apache::lonhelper::getHelper();      my $helper          = Apache::lonhelper::getHelper();
     my $result = '';      my $result          = '';
     my $var = $self->{'variable'};      my $var             = $self->{'variable'};
     my $PageLayout=&mt('Page layout');      my $PageLayout      = &mt('Page layout');
     my $NumberOfColumns=&mt('Number of columns');      my $NumberOfColumns = &mt('Number of columns');
     my $PaperType=&mt('Paper type');      my $PaperType       = &mt('Paper type');
     my $landscape=&mt('Landscape');      my $landscape       = &mt('Landscape');
     my $portrait=&mt('Portrait');      my $portrait        = &mt('Portrait');
     $result .= <<STATEHTML;      my $pdfFormLabel    = &mt('PDF-Formfields');
       my $with            = &mt('with Formfields');
 <hr width="33%" />      my $without         = &mt('without Formfields');
 <table cellpadding="3">  
   <tr>      $result .= '<h3>'
     <td align="center"><b>$PageLayout</b></td>        . &mt('Layout Options') . '</h3>'
     <td align="center"><b>$NumberOfColumns</b></td>        . &Apache::loncommon::start_data_table()
     <td align="center"><b>$PaperType</b></td>        . &Apache::loncommon::start_data_table_header_row() . '<th>'
   </tr>        . $PageLayout . '</th>' . '<th>'
   <tr>        . $NumberOfColumns . '</th>' . '<th>'
     <td>        . $PaperType . '</th>' . '<th>'
       <label><input type="radio" name="${var}.layout" value="L" /> $landscape </label><br />        . $pdfFormLabel . '</th>'
       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> $portrait </label>        . &Apache::loncommon::end_data_table_header_row()
     </td>        . &Apache::loncommon::start_data_table_row() . '<td>'
     <td align="center">        . '<label><input type="radio" name="'
       <select name="${var}.cols">        . ${var}
 STATEHTML        . '.layout" value="L" />'
         . $landscape
         . '</label><br />'
         . '<label><input type="radio" name="'
         . ${var}
         . '.layout" value="P" checked="checked" />'
         . $portrait
         . '</label>' . '</td>';
   
       $result .= '<td align="center">' . '<select name="' . ${var} . '.cols">';
   
     my $i;      my $i;
     for ($i = 1; $i <= $maxColumns; $i++) {      for ( $i = 1 ; $i <= $maxColumns ; $i++ ) {
         if ($i == 2) {          if ( $i == 2 ) {
             $result .= "<option value='$i' selected>$i</option>\n";              $result .=
         } else {                  '<option value="' 
             $result .= "<option value='$i'>$i</option>\n";                . $i
                 . '" selected="selected">'
                 . $i
                 . '</option>' . "\n";
           }
           else {
               $result .= '<option value="' . $i . '">' . $i . '</option>' . "\n";
         }          }
     }      }
   
     $result .= "</select></td><td>\n";      $result .= "</select></td><td>\n";
     $result .= "<select name='${var}.paper'>\n";      $result .= "<select name='${var}.paper'>\n";
   
     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});      my %parmhash =
     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});        &Apache::lonnet::coursedescription( $env{'request.course.id'} );
     $DefaultPaperSize=~s/\s//g;      my $DefaultPaperSize = lc( $parmhash{'default_paper_size'} );
     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}      $DefaultPaperSize =~ s/\s//g;
       if ( $DefaultPaperSize eq '' ) { $DefaultPaperSize = 'letter'; }
     $i = 0;      $i = 0;
     foreach (@paperSize) {      foreach (@paperSize) {
  $_=~/(\w+)/;          $_ =~ /(\w+)/;
  my $papersize=$1;          my $papersize = $1;
         if ($paperSize[$i]=~/$DefaultPaperSize/) {          if ( $paperSize[$i] =~ /$DefaultPaperSize/ ) {
             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";              $result .=
         } else {                  '<option selected="selected" value="'
             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";                . $papersize . '">'
                 . $paperSize[$i]
                 . '</option>' . "\n";
           }
           else {
               $result .=
                   '<option value="'
                 . $papersize . '">'
                 . $paperSize[$i]
                 . '</option>' . "\n";
         }          }
         $i++;          $i++;
     }      }
     $result .= "</select></td></tr></table>";      $result .= <<HTML;
           </select>
       </td>
       <td align='center'>
           <select name='${var}.pdfFormFields'>
               <option selected="selected" value="no">$without</option>
               <option value="yes">$with</option>
           </select>
       </td>
   HTML
       $result .= &Apache::loncommon::end_data_table_row()
         . &Apache::loncommon::end_data_table();
   
     return $result;      return $result;
 }  }
   
 sub postprocess {  sub postprocess {
     my $self = shift;      my $self = shift;
   
     my $var = $self->{'variable'};      my $var    = $self->{'variable'};
     my $helper = Apache::lonhelper->getHelper();      my $helper = Apache::lonhelper->getHelper();
     $helper->{VARS}->{$var} =       $helper->{VARS}->{$var} =
         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .          $env{"form.$var.layout"} . '|'
         $env{"form.$var.paper"};        . $env{"form.$var.cols"} . '|'
         . $env{"form.$var.paper"} . '|'
         . $env{"form.$var.pdfFormFields"};
     return 1;      return 1;
 }  }
   
Line 3479  no strict; Line 4910  no strict;
 @ISA = ("Apache::lonhelper::element");  @ISA = ("Apache::lonhelper::element");
 use strict;  use strict;
   
   sub new {
   
 sub new {   
     my $self = Apache::lonhelper::element->new();      my $self = Apache::lonhelper::element->new();
   
     shift; # disturbs me (probably prevents subclassing) but works (drops      shift;    # disturbs me (probably prevents subclassing) but works (drops
            # package descriptor)... - Jeremy                # package descriptor)... - Jeremy
   
     $self->{'variable'} = shift;      $self->{'variable'} = shift;
     my $helper = Apache::lonhelper::getHelper();      my $helper = Apache::lonhelper::getHelper();
     $helper->declareVar($self->{'variable'});      $helper->declareVar( $self->{'variable'} );
   
     # The variable name of the format element, so we can look into       # The variable name of the format element, so we can look into
     # $helper->{VARS} to figure out whether the columns are one or two      # $helper->{VARS} to figure out whether the columns are one or two
     $self->{'formatvar'} = shift;      $self->{'formatvar'} = shift;
   
   
     $self->{NEXTSTATE} = shift;      $self->{NEXTSTATE} = shift;
     bless($self);      bless($self);
   
Line 3503  sub new { Line 4931  sub new {
 }  }
   
 sub render {  sub render {
     my $self = shift;      my $self   = shift;
     my $helper = Apache::lonhelper::getHelper();      my $helper = Apache::lonhelper::getHelper();
     my $result = '';      my $result = '';
     my $var = $self->{'variable'};      my $var    = $self->{'variable'};
   
       if ( defined $self->{ERROR_MSG} ) {
           $result .=
     if (defined $self->{ERROR_MSG}) {              '<br /><span class="LC_error">'
         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';            . $self->{ERROR_MSG}
             . '</span><br />';
     }      }
   
     my $format = $helper->{VARS}->{$self->{'formatvar'}};      my $format = $helper->{VARS}->{ $self->{'formatvar'} };
   
     # Use format to get sensible defaults for the margins:      # Use format to get sensible defaults for the margins:
   
       my ( $laystyle, $cols, $papersize ) = split( /\|/, $format );
       ($papersize) = split( / /, $papersize );
   
     my ($laystyle, $cols, $papersize) = split(/\|/, $format);      $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
     ($papersize)                      = split(/ /, $papersize);  
   
   
     if ($laystyle eq 'L') {  
  $laystyle = 'album';  
     } else {  
  $laystyle = 'book';  
     }  
   
   
     my %size;      my %size;
     ($size{'width_and_units'},      (
      $size{'height_and_units'},          $size{'width_and_units'},
      $size{'margin_and_units'})=          $size{'height_and_units'},
  &Apache::lonprintout::page_format($papersize, $laystyle, $cols);          $size{'margin_and_units'}
           ) = &Apache::lonprintout::page_format( $papersize, $laystyle, $cols );
     foreach my $dimension ('width','height','margin') {  
  ($size{$dimension},$size{$dimension.'_unit'}) =      foreach my $dimension ( 'width', 'height', 'margin' ) {
     split(/ +/, $size{$dimension.'_and_units'},2);          ( $size{$dimension}, $size{ $dimension . '_unit' } ) =
                    split( / +/, $size{ $dimension . '_and_units' }, 2 );
  foreach my $unit ('cm','in') {  
     $size{$dimension.'_options'} .= '<option ';          foreach my $unit ( 'cm', 'in' ) {
     if ($size{$dimension.'_unit'} eq $unit) {              $size{ $dimension . '_options' } .= '<option ';
  $size{$dimension.'_options'} .= 'selected="selected" ';              if ( $size{ $dimension . '_unit' } eq $unit ) {
     }                  $size{ $dimension . '_options' } .= 'selected="selected" ';
     $size{$dimension.'_options'} .= '>'.$unit.'</option>';              }
  }              $size{ $dimension . '_options' } .= '>' . $unit . '</option>';
           }
     }      }
   
     # Adjust margin for LaTeX margin: .. requires units == cm or in.      # Adjust margin for LaTeX margin: .. requires units == cm or in.
   
     if ($size{'margin_unit'} eq 'in') {      if ( $size{'margin_unit'} eq 'in' ) {
  $size{'margin'} += 1;          $size{'margin'} += 1;
     }  else {      }
  $size{'margin'} += 2.54;      else {
     }          $size{'margin'} += 2.54;
     my %text = ('format' => 'How should each column be formatted?',      }
  'width'  => 'Width:',      my %lt = &Apache::lonlocal::texthash(
  'height' => 'Height:',          'format' => 'How should each column be formatted?',
  'margin' => 'Left Margin:',);          'width'  => 'Width',
     %text = &Apache::lonlocal::texthash(%text);          'height' => 'Height',
           'margin' => 'Left Margin'
     $result .= <<ELEMENTHTML;      );
   
 <p>$text{'format'}</p>      $result .= '<p>'
         . $lt{'format'} . '</p>'
 <table cellpadding='3'>        . &Apache::lonhtmlcommon::start_pick_box()
   <tr>        . &Apache::lonhtmlcommon::row_title( $lt{'width'} )
     <td align='right'><b>$text{'width'}</b></td>        . '<input type="text" name="'
     <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>        . $var
     <td align='left'>        . '.width" value="'
       <select name='$var.widthunit'>        . $size{'width'}
       $size{'width_options'}        . '" size="4" />'
       </select>        . '<select name="'
     </td>        . $var
   </tr>        . '.widthunit">'
   <tr>        . $size{'width_options'}
     <td align='right'><b>$text{'height'}</b></td>        . '</select>'
     <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>        . &Apache::lonhtmlcommon::row_closure()
     <td align='left'>        . &Apache::lonhtmlcommon::row_title( $lt{'height'} )
       <select name='$var.heightunit'>        . '<input type="text" name="'
       $size{'height_options'}        . $var
       </select>        . '.height" value="'
     </td>        . $size{'height'}
   </tr>        . '" size="4" />'
   <tr>        . '<select name="'
     <td align='right'><b>$text{'margin'}</b></td>        . $var
     <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>        . '.heightunit">'
     <td align='left'>        . $size{'height_options'}
       <select name='$var.lmarginunit'>        . '</select>'
       $size{'margin_options'}        . &Apache::lonhtmlcommon::row_closure()
       </select>        . &Apache::lonhtmlcommon::row_title( $lt{'margin'} )
     </td>        . '<input type="text" name="'
   </tr>        . $var
 </table>        . '.lmargin" value="'
         . $size{'margin'}
 <!--<p>Hint: Some instructors like to leave scratch space for the student by        . '" size="4" />'
 making the width much smaller than the width of the page.</p>-->        . '<select name="'
         . $var
         . '.lmarginunit">'
         . $size{'margin_options'}
         . '</select>'
         . &Apache::lonhtmlcommon::row_closure(1)
         . &Apache::lonhtmlcommon::end_pick_box();
   
 ELEMENTHTML      # <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>
   
     return $result;      return $result;
 }  }
   
   
 sub preprocess {  sub preprocess {
     my $self = shift;      my $self   = shift;
     my $helper = Apache::lonhelper::getHelper();      my $helper = Apache::lonhelper::getHelper();
   
     my $format = $helper->{VARS}->{$self->{'formatvar'}};      my $format = $helper->{VARS}->{ $self->{'formatvar'} };
   
     #  If the user does not have 'pav' privilege, set default widths and      #  If the user does not have 'pav' privilege, set default widths and
     #  on to the next state right away.      #  on to the next state right away.
     #      #
     if (!$perm{'pav'}) {      if ( !$perm{'pav'} ) {
  my $var = $self->{'variable'};          my $var    = $self->{'variable'};
  my $format = $helper->{VARS}->{$self->{'formatvar'}};          my $format = $helper->{VARS}->{ $self->{'formatvar'} };
   
  my ($laystyle, $cols, $papersize) = split(/\|/, $format);          my ( $laystyle, $cols, $papersize ) = split( /\|/, $format );
  ($papersize)                      = split(/ /, $papersize);          ($papersize) = split( / /, $papersize );
   
           $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
  if ($laystyle eq 'L') {  
     $laystyle = 'album';          #  Figure out some good defaults for the print out and set them:
  } else {  
     $laystyle = 'book';          my %size;
  }          ( $size{'width'}, $size{'height'}, $size{'lmargin'} ) =
  #  Figure out some good defaults for the print out and set them:            &Apache::lonprintout::page_format( $papersize, $laystyle, $cols );
   
  my %size;          foreach my $dim ( 'width', 'height', 'lmargin' ) {
  ($size{'width'},              my ( $value, $units ) = split( / /, $size{$dim} );
  $size{'height'},  
  $size{'lmargin'})=              $helper->{VARS}->{ "$var." . $dim } = $value;
      &Apache::lonprintout::page_format($papersize, $laystyle, $cols);              $helper->{VARS}->{ "$var." . $dim . 'unit' } = $units;
   
  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          # Transition to the next state
   
  $helper->changeState($self->{NEXTSTATE});          $helper->changeState( $self->{NEXTSTATE} );
     }      }
      
     return 1;      return 1;
 }  }
   
 sub postprocess {  sub postprocess {
     my $self = shift;      my $self = shift;
   
     my $var = $self->{'variable'};      my $var    = $self->{'variable'};
     my $helper = Apache::lonhelper->getHelper();      my $helper = Apache::lonhelper->getHelper();
     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};       my $width  = $helper->{VARS}->{ $var . '.width' } =
     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};         $env{"form.${var}.width"};
     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};       my $height = $helper->{VARS}->{ $var . '.height' } =
     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};         $env{"form.${var}.height"};
     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};       my $lmargin = $helper->{VARS}->{ $var . '.lmargin' } =
     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};         $env{"form.${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 = '';      my $error = '';
   
     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed       # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
     # by an optional period, followed by digits, ending the string      # by an optional period, followed by digits, ending the string
   
     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {      if ( $width !~ /^-?[0-9]*(\.[0-9]*)?$/ ) {
         $error .= "Invalid width; please type only a number.<br />\n";          $error .= "Invalid width; please type only a number.<br />\n";
     }      }
     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {      if ( $height !~ /^-?[0-9]*(\.[0-9]*)?$/ ) {
         $error .= "Invalid height; please type only a number.<br />\n";          $error .= "Invalid height; please type only a number.<br />\n";
     }      }
     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {      if ( $lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/ ) {
         $error .= "Invalid left margin; please type only a number.<br />\n";          $error .= "Invalid left margin; please type only a number.<br />\n";
     } else {      }
  # Adjust for LaTeX 1.0 inch margin:      else {
   
  if ($env{"form.${var}.lmarginunit"} eq "in") {          # Adjust for LaTeX 1.0 inch margin:
     $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;  
  } else {          if ( $env{"form.${var}.lmarginunit"} eq "in" ) {
     $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;              $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 1;
  }          }
           else {
               $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 2.54;
           }
     }      }
   
     if (!$error) {      if ( !$error ) {
         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});          Apache::lonhelper::getHelper()->changeState( $self->{NEXTSTATE} );
         return 1;          return 1;
     } else {      }
       else {
         $self->{ERROR_MSG} = $error;          $self->{ERROR_MSG} = $error;
         return 0;          return 0;
     }      }
 }  }
   
   
   
 __END__  __END__
   

Removed from v.1.536.2.3  
changed lines
  Added in v.1.575.2.1


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