Diff for /loncom/interface/lonprintout.pm between versions 1.575.2.1 and 1.627.2.12

version 1.575.2.1, 2010/05/10 10:21:24 version 1.627.2.12, 2014/04/24 15:36:58
Line 1 Line 1
 #  
 # The LearningOnline Network  # The LearningOnline Network
 # Printout  # Printout
 #  #
Line 41  use Apache::admannotations; Line 40  use Apache::admannotations;
 use Apache::lonenc;  use Apache::lonenc;
 use Apache::entities;  use Apache::entities;
 use Apache::londefdef;  use Apache::londefdef;
   # use Apache::structurelags; # for language management.
   
 use File::Basename;  use File::Basename;
   
 use HTTP::Response;  use HTTP::Response;
   
 use LONCAPA::map();  use LONCAPA::map();
 use POSIX qw(strftime);  
 use Apache::lonlocal;  use Apache::lonlocal;
 use Carp;  use Carp;
 use LONCAPA;  use LONCAPA;
   
   
 my %perm;  my %perm;
 my %parmhash;  my %parmhash;
 my $resources_printed;  my $resources_printed;
Line 59  my $resources_printed; Line 58  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  my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out).
   ;    # 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:  #  Font size:
   
 my $font_size = 'normalsize';    # Default is normalsize...  my $font_size = 'normalsize'; # Default is normalsize...
   
 #----------------------------  Helper helpers. -------------------------  #----------------------------  Helper helpers. -------------------------
   
 #  Returns the text needd for a student chooser.  ## 
   # Filter function to determine if a resource is a printable sequence.
   #
   # @param $res -Resource to check.
   #
   # @return 1 - printable and a resource
   #         0 - either notm a sequence or not printable.
   #
   sub printable_sequence {
       my $res = shift;
   
       # Non-sequences are not listed:
   
       if (!$res->is_sequence()) {
    return 0;
       }
   
       # Person with pav or pfo can always print:
   
       if ($perm{'pav'} || $perm{'pfo'}) {
    return 1;
       }
   
       if ($res->is_sequence()) {
    my $symb = $res->symb();
    my $navmap   = $res->{NAV_MAP};
   
    # Find the first resource in the map:
   
    my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
    my $first    = $iterator->next();
   
    while (1) {
       if ($first == $iterator->END_ITERATOR) { last; }
       if (ref($first) && ! $first->is_sequence()) {last; }
       $first = $iterator->next();
    }
   
   
    # Might be an empty map:
   
    if (!ref($first)) {
       return 0;
    }
    my $partsref = $first->parts();
    my @parts    = @$partsref;
    my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
    return &printable($open, $close);
       }
       return 0;
   }
   
   # BZ5209:
   #    Create the states needed to run the helper for incomplete problems from
   #    the current folder for selected students.
   #    This includes:
   #    -  A resource selector limited to problems (incompleteness must be
   #       calculated on a student per student basis.
   #    -  A student selector.
   #    -  Tie in to the FORMAT of the print job.
   #
   # States:
   #   CHOOSE_INCOMPLETE_PEOPLE_SEQ      - Resource selection.
   #   CHOOSE_STUDENTS_INCOMPLETE        - Student selection.
   #   CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
   # Parameters:
   #    helper - the helper which already contains info about the current folder we can
   #             purloin.
   #    url    - Top url of the sequence
   # Return:
   #     XML that can be parsed by the helper to drive the state machine.
   #
   sub create_incomplete_folder_selstud_helper {
       my ($helper, $map)  = @_;
   
   
       my $symbFilter = '$res->shown_symb()';
       my $selFilter   = '$res->is_problem()';
   
   
       my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
         'Select problem(s) to print',
         'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
         'RESOURCES',
         'CHOOSE_STUDENTS_INCOMPLETE',
         $map,
         $selFilter,
         '',
         $symbFilter, 
         '');
   
       my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
    'student_sort',
    'STUDENTS',
    'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
   
       my $format_chooser = &generate_format_selector($helper,
    'Format of the print job',
    'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
   
       return $resource_chooser . $student_chooser . $format_chooser;
   }  
   
   
   # BZ 5209
   #     Create the states needed to run the helper for incomplete problems from
   #     the current folder for selected students.
   #     This includes:
   #     - A resource selector limited to problems.  (incompleteness must be calculated
   #       on a student per student basis.
   #     - A student selector.
   #     - Tie in to format for the print job.
   # States:
   #    INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
   #    INCOMPLETE_PROBLEMS_COURSE_STUDENTS  - Student selector.
   #    INCOMPLETE_PROBLEMS_COURSE_FORMAT    - Format selection.
   #
   # Parameters:
   #   helper   - Helper we are creating states for.
   # Returns:
   #   Text that can be parsed by the helper.
   # 
   
   sub create_incomplete_course_helper {
       my $helper = shift;
   
       my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
       my $symbfilter = '$res->shown_symb()';
       
       my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
         'Select problem(s) to print',
         'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
         'RESOURCES',
         'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
         '',
         $filter,
         '',
         $symbfilter,
         '');
   
       my $people_chooser  = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
       'student_sort',
       'STUDENTS',
       'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
   
       my $format = &generate_format_selector($helper,
      'Format of the print job',
      'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
   
       return $resource_chooser . $people_chooser . $format;
   
   
   }
   
   # BZ5209 
   #   Creates the states needed to run the print helper for a student
   #   that wants to print his incomplete problems from the current folder.
   # Parameters:
   #   $helper - helper we are generating states for.
   #   $map    - The map for which the student wants incomplete problems.
   # Returns:
   #   XML that defines the helper states being created.
   #
   # States:
   #   CHOOSE_INCOMPLETE_SEQ  - Resource selector.
   #
   sub create_incomplete_folder_helper {
       my ($helper, $map) = @_;
   
       my $filter    = '$res->is_problem()';
       $filter      .= ' && $res->resprintable() ';
       $filter      .= ' && $res->is_incomplete() ';
   
       my $symfilter = '$res->shown_symb()';
   
       my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
         'Select problem(s) to print',
         'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
         'RESOURCES',
         'PAGESIZE',
         $map,
         $filter, '', 
         $symfilter,
         '');
   
       return $resource_chooser;
   }
   
   
   #  Returns the text neded for a student chooser.
 #  that text must still be parsed by the helper xml parser.  #  that text must still be parsed by the helper xml parser.
 # Parameters:  # Parameters:
 #   this_state   - State name of the chooser.  #   this_state   - State name of the chooser.
Line 84  my $font_size = 'normalsize';    # Defau Line 272  my $font_size = 'normalsize';    # Defau
 #   variable     - Name of variable to hold students.  #   variable     - Name of variable to hold students.
 #   next_state   - State after chooser.  #   next_state   - State after chooser.
   
   
 sub generate_student_chooser {  sub generate_student_chooser {
     my ( $this_state, $sort_choice, $variable, $next_state ) = @_;      my ($this_state, 
    $sort_choice, 
    $variable, 
    $next_state) = @_;
     my $result = <<CHOOSE_STUDENTS;      my $result = <<CHOOSE_STUDENTS;
   <state name="$this_state" title="Select Students and Resources">    <state name="$this_state" title="Select Students and Resources">
       <message><b>Select sorting order of printout</b> </message>        <message><b>Select sorting order of printout</b> </message>
Line 104  sub generate_student_chooser { Line 296  sub generate_student_chooser {
   
 CHOOSE_STUDENTS  CHOOSE_STUDENTS
   
     return $result;    return $result;
 }  }
   
 # Generate the text needed for a resource chooser given the top level of  # Generate the text needed for a resource chooser given the top level of
Line 125  CHOOSE_STUDENTS Line 317  CHOOSE_STUDENTS
 #     filter        - How to filter the resources.  #     filter        - How to filter the resources.
 #     value_func    - <valuefunc> function.  #     value_func    - <valuefunc> function.
 #     choice_func   - If not empty generates a <choicefunc> with this function.  #     choice_func   - If not empty generates a <choicefunc> with this function.
 #     start_new_option  #     start_new_option 
 #                   - Fragment appended after valuefunc.  #                   - Fragment appended after valuefunc.
 #  #
 #  #
 sub generate_resource_chooser {  sub generate_resource_chooser {
     my (      my ($this_state,
         $this_state, $prompt_text, $resource_options,   $prompt_text,
         $variable,   $next_state,  $top_url,   $resource_options,
         $filter,     $choice_func, $value_func,   $variable,
         $start_new_option   $next_state,
     ) = @_;   $top_url,
    $filter,
    $choice_func,
    $value_func,
    $start_new_option)  = @_;
   
     my $result = <<CHOOSE_RESOURCES;      my $result = <<CHOOSE_RESOURCES;
 <state name="$this_state" title="$prompt_text">  <state name="$this_state" title="$prompt_text">
Line 144  sub generate_resource_chooser { Line 340  sub generate_resource_chooser {
       <nextstate>$next_state</nextstate>        <nextstate>$next_state</nextstate>
       <filterfunc>return $filter;</filterfunc>        <filterfunc>return $filter;</filterfunc>
 CHOOSE_RESOURCES  CHOOSE_RESOURCES
     if ( $choice_func ne '' ) {      if ($choice_func ne '') {
         $result .= "<choicefunc>return $choice_func;</choicefunc>";   $result .= "<choicefunc>return $choice_func;</choicefunc>";
     }      }
     if ( $top_url ne '' ) {      if ($top_url ne '') {
         $result .= "<mapurl>$top_url</mapurl>";   $result .=  "<mapurl>$top_url</mapurl>";
     }      }
     $result .= <<CHOOSE_RESOURCES;      $result .= <<CHOOSE_RESOURCES;
       <valuefunc>return $value_func;</valuefunc>        <valuefunc>return $value_func;</valuefunc>
Line 156  CHOOSE_RESOURCES Line 352  CHOOSE_RESOURCES
       </resource>        </resource>
     </state>      </state>
 CHOOSE_RESOURCES  CHOOSE_RESOURCES
   
     return $result;      return $result;
 }  }
   
 #  #
 #   Generate the helper XML for a code choice helper dialog:  #   Generate the helper XML for a code choice helper dialog:
 #  #
Line 175  CHOOSE_RESOURCES Line 369  CHOOSE_RESOURCES
 #   The Xml of the code chooser.  #   The Xml of the code chooser.
 #  #
 sub generate_code_selector {  sub generate_code_selector {
     my ( $helper, $state, $next_state, $bubble_types, $code_selections,      my ($helper,
         $saved_codes )   $state,
       = @_;    # Unpack the parameters.   $next_state,
    $bubble_types,
    $code_selections,
    $saved_codes) = @_; # Unpack the parameters.
   
     my $result = <<CHOOSE_ANON1;      my $result = <<CHOOSE_ANON1;
   <state name="$state" title="Specify CODEd Assignments">    <state name="$state" title="Specify CODEd Assignments">
Line 186  sub generate_code_selector { Line 383  sub generate_code_selector {
     <message><br /><hr /> <br /></message>      <message><br /><hr /> <br /></message>
     <message><h3>Generate new CODEd Assignments</h3></message>      <message><h3>Generate new CODEd Assignments</h3></message>
     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></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">      <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
        <validator>         <validator>
  if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&   if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
     !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&              !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
     !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
   
     return "You need to specify the number of assignments to print";      return "You need to specify the number of assignments to print";
  }   }
           if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
               return 'Specifying number of codes to print and a specific code is not compatible';
           }
  return undef;   return undef;
        </validator>         </validator>
     </string>      </string>
Line 202  sub generate_code_selector { Line 404  sub generate_code_selector {
     <message></td><td></message>      <message></td><td></message>
     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />      <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
     <message></td></tr><tr><td></message>      <message></td></tr><tr><td></message>
     <message><b>Bubble sheet type:</b></message>      <message><b>Bubblesheet type:</b></message>
     <message></td><td></message>      <message></td><td></message>
     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">      <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
     $bubble_types      $bubble_types
Line 218  sub generate_code_selector { Line 420  sub generate_code_selector {
       !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {        !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
       return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},        return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
       \$helper->{'VARS'}{'CODE_OPTION'});        \$helper->{'VARS'}{'CODE_OPTION'});
     } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
         return 'Specifying a code name is incompatible with specifying number of codes.';
    } else {     } else {
        return undef; # Other forces control us.         return undef; # Other forces control us.
    }     }
Line 236  sub generate_code_selector { Line 440  sub generate_code_selector {
   </state>    </state>
 CHOOSE_ANON1  CHOOSE_ANON1
   
     return $result;     return $result;
   }
   
   #  Returns the XML for choosing how assignments are to be formatted 
   #  that text must still be parsed by the helper xml parser.
   # Parameters: 3 (required)
   
   #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
   #                  to check if splitting PDFs by section can be offered.
   #   title        - Title for the current state. 
   #   this_state   - State name of the chooser.
   
   sub generate_format_selector {
       my ($helper,$title,$this_state) = @_;
       my $secpdfoption;
       unless (($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')  ) {
           $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
       }
       return <<RESOURCE_SELECTOR;
       <state name="$this_state" title="$title">
       <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
       <choices variable="EMPTY_PAGES">
         <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
         <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
         <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
         <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>
       <nextstate>PAGESIZE</nextstate>
       <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
       <choices variable="SPLIT_PDFS">
          <choice computer="all">All assignments in a single PDF file</choice>
          $secpdfoption
          <choice computer="oneper">Each PDF contains exactly one assignment</choice>
          <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
               Specify the number of assignments per PDF:</choice>
       </choices>
       </state>
   RESOURCE_SELECTOR
 }  }
   
 #-----------------------------------------------------------------------  #-----------------------------------------------------------------------
   
   # Computes an open and close date from a list of open/close dates for a resource's
   # parts.
   #
   # @param \@opens - reference to an array of open dates.
   # @param \@closes - reference to an array of close dates.
   #
   # @return ($open, $close) 
   #
   # @note If open/close dates are not defined they will be returned as undef
   # @note It is possible for there to be no overlap in which case -1,-1 
   #       will be returned.
   # @note The algorithm used is to take the latest open date and the earliest end date.
   #
   sub compute_open_window {
       my ($opensref, $closesref) = @_;
   
       my @opens   = @$opensref;
       my @closes  = @$closesref;
   
       # latest open date:
       my $latest_open;
   
       foreach my $open (@opens) {
    if (!defined($latest_open) || ($open > $latest_open)) {
       $latest_open = $open;
    }
       }
       # Earliest close:
   
       my $earliest_close;
       foreach my $close (@closes) {
    if (!defined($earliest_close) || ($close < $earliest_close)) {
       $earliest_close = $close;
    }
       }
   
       # If no overlap...both are -1 as promised.
   
       if (($earliest_close ne '') && ($latest_open ne '')
    && ($earliest_close < $latest_open)) {
    $latest_open  = -1;
    $earliest_close = -1;
       }
       
       return ($latest_open, $earliest_close);
     
   }
   
   ##
   #  Determines if 'now' is within the set of printable dates.
   #
   #  @param $open_date - Starting date/timestamp.
   #  @param $close_date - Ending date/timestamp.
   #
   #  @return 0 - Not open.
   #  @return 1 - open.
   #
   sub printable {
       my ($open_date, $close_date) = @_;
   
   
       my $now = time();
   
       # Have to do a bit of fancy footwork around undefined open/close dates:
   
       if ($open_date && ($open_date > $now)) {
    return 0;
       }
   
       if ($close_date && ($close_date < $now)) {
    return 0;
       }
       
       return 1;
   
   }
   
   ##
   # Returns the innermost print start/print end dates for a resource.
   # This is done by looking at the start/end dates for its parts and choosing
   # the intersection of those dates.
   # 
   # @param res - lonnvamaps::resource object that represents the resource.
   #
   # @return (opendate, closedate)
   #
   # @note If open/close dates are not defined they will be returned as undef
   # @note It is possible for there to be no overlap in which case -1,-1 
   #       will be returned.
   # @note The algorithm used is to take the latest open date and the earliest end date.
   #       For consistency with &printable() in lonnavmaps.pm determination of start
   #       date for printing checks printstartdate param first, then, if not set,
   #       opendate param, then, if not set, contentopen param.
   
   
   sub get_print_dates {
       my $res = shift;
       my $partsref = $res->parts();
       my @parts;
       if (ref($partsref) eq 'ARRAY') {
           @parts   = @{$partsref};
       }
       my $open_date;
       my $close_date;
       my @open_dates;
       my @close_dates;
   
   
       if (@parts) {
    foreach my $part (@parts) {
       my $partopen  = $res->parmval('printstartdate', $part);
       my $partclose = $res->parmval('printenddate',  $part);
               if (!$partopen) {
                   $partopen = $res->parmval('opendate',$part);
               }
               if (!$partopen) {
                   $partopen = $res->parmval('contentopen',$part);
               }
               if ($partopen) {
                   push(@open_dates, $partopen);
               }
               if ($partclose) {
                   push(@close_dates, $partclose);
               }
       push(@open_dates, $partopen);
       push(@close_dates, $partclose);
    }
       }
   
       ($open_date, $close_date)  = &compute_open_window(\@open_dates, \@close_dates);
   
       return ($open_date, $close_date);
   }
   
   ##
   # Get the dates for which a course says a resource can be printed.  This is like
   # get_print_dates but namvaps::course_print_dates are gotten...and not converted
   # to times either.
   #
   # @param $res - Reference to a resource has from lonnvampas::resource.
   #
   # @return (opendate, closedate)
   #
   sub course_print_dates {
       my $res = shift;
       my $partsref = $res->parts();
       my @parts    = @$partsref;
       my $open_date;
       my $close_date;
       my @open_dates;
       my @close_dates;
       my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
   
       # Don't bother looping over undefined or empty parts arraY;
   
       if (@parts) {
    foreach my $part (@parts) {
       my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
       push(@open_dates, $partopen);
       push(@close_dates, $partclose);
    }
    ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
       }
       return ($open_date, $close_date);
   }
   ##
   # Same as above but for the enclosing map:
   #
   sub map_print_dates {
       my $res = shift;
       my $partsref = $res->parts();
       my @parts    = @$partsref;
       my $open_date;
       my $close_date;
       my @open_dates;
       my @close_dates;
       my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
   
   
       # Don't bother looping over undefined or empty parts arraY;
   
       if (@parts) {
    foreach my $part (@parts) {
       my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
       push(@open_dates, $partopen);
       push(@close_dates, $partclose);
    }
    ($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
       }
       return ($open_date, $close_date);
   }
   
   # Determine if a resource is incomplete given the map:
   # Parameters:
   #   $username - Name of user for whom we are checking.
   #   $domain   - Domain of user we are checking.
   #   $map - map name.
   # Returns:
   #     0 - map is not incomplete.
   #     1 - map is incomplete.
   #
   sub incomplete {
       my ($username, $domain, $map) = @_;
   
   
       my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
       
   
       if (defined($navmap)) {
    my $res = $navmap->getResourceByUrl($map);
    my $result = $res->is_incomplete();
    return $result;
       } else {
    return 1;
       }
   }
   #
   #  When printing for students, the resoures and order of the
   #  resources may need to be altered if there are folders with
   #  random selectiopn or random ordering (or both) enabled.
   #  This sub computes the set of resources to print for a student
   #  modified both by random ordering and selection and filtered
   #  to only those that are in the original set selcted to be printed.
   #
   # Parameters:
   #   $map - The URL of the folder being printed.
   #          Used to determine which startResource and finishResource
   #          to use when using the navmap's getIterator method.
   #   $seq   - The original set of resources to print.
   #            (really an array of resource names (array of symb's).
   #   $who   - Student/domain for whome the sequence will be generated.
   #   $code  - CODE being printed when printing Problems/Resources
   #            from folder for CODEd assignments
   #
   # Implicit inputs:
   #   $
   # Returns:
   #   reference to an array of resources that can be passed to
   #   print_resources.
   # 
   sub master_seq_to_person_seq {
       my ($map, $seq, $who, $code, $nohidemap) = @_;
   
   
       my ($username, $userdomain, $usersection) = split(/:/, $who);
   
       # Toss the sequence up into a hash so that we have O(1) lookup time.
       # on the items that come out of the user's list of resources.
       #
   
       my %seq_hash = map {$_  => 1} @$seq;
       my @output_seq;
   
       my $unhidden;
       if ($perm{'pav'} && $perm{'vgr'} && $nohidemap) {
           $unhidden = &Apache::lonnet::clutter($map);
       }
       
       my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain,
                                                              $code,$unhidden);
       my ($start,$finish);
   
       if ($map) {
           my $mapres = $navmap->getResourceByUrl($map);
           if ($mapres->is_map()) {
               $start = $mapres->map_start();
               $finish = $mapres->map_finish();
           }
       }
       unless ($start && $finish) {
           $start = $navmap->firstResource();
           $finish = $navmap->finishResource();
       }
   
       my $iterator         = $navmap->getIterator($start,$finish,{},1);
   
       #  Iterate on the resource..select the items that are randomly selected
       #  and that are in the seq_has.  Presumably the iterator will take care
       # of the random ordering part of the deal.
       my $curres;
       while ($curres = $iterator->next()) {
    #
    #  Only process resources..that are not removed by randomout...
    #  and are selected for printint as well.
    #
   
           if (ref($curres) && ! $curres->randomout()) {
               my $currsymb = $curres->symb();
               if (exists($seq_hash{$currsymb})) {
                   push(@output_seq, $currsymb);
       }
    }
       }
   
       return \@output_seq; # for now.
       
   }
   
   
 # 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
 # verbatim into the printout<  # verbatim into the printout<
Line 252  CHOOSE_ANON1 Line 794  CHOOSE_ANON1
 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::loncommon::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 .=   $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
           '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';   $result .= "\n";
         $result .= "\n";   $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex.
         $result .=   $result .= "\n\n";
           &Apache::lonxml::latex_special_symbols( $annotation_text, "" )  
           ;    # Escape latex.  
         $result .= "\n\n";  
     }      }
     return $result;      return $result;
 }  }
Line 300  sub set_font_size { Line 841  sub set_font_size {
     # case the first substituion would  insert a spurious \ oh happy day.      # case the first substituion would  insert a spurious \ oh happy day.
     # as this has been the cause of much mystery and hair pulling _sigh_      # as this has been the cause of much mystery and hair pulling _sigh_
   
     if ( $font_size ne '' ) {      if ($font_size ne '') {
   
         $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;   $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
     }      }
     $text =~ s/\\end{document}/}\\end{document}/;      $text =~ s/\\end{document}/}\\end{document}/;
     return $text;      return $text;
   
   
 }  }
   
 # include_pdf - PDF files are included into the  # include_pdf - PDF files are included into the 
 # output as follows:  # output as follows:
 #  - The PDF, if necessary, is replicated.  #  - The PDF, if necessary, is replicated.
 #  - The PDF is added to the list of files to convert to postscript (along with the images).  #  - The PDF is added to the list of files to convert to postscript (along with the images).
Line 318  sub set_font_size { Line 860  sub set_font_size {
 #  #
 # Parameters:  # Parameters:
 #   pdf_uri   - URI of the PDF file to include.  #   pdf_uri   - URI of the PDF file to include.
 #  #   
 # Returns:  # Returns:
 #  The LaTeX to include.  #  The LaTeX to include.
 #  #
Line 332  sub include_pdf { Line 874  sub include_pdf {
   
     # Where is the file? If not local we'll need to repcopy it:'      # Where is the file? If not local we'll need to repcopy it:'
   
     my $file = &Apache::lonnet::filelocation( '', $pdf_uri );      my $file = &Apache::lonnet::filelocation('', $pdf_uri);
     if ( !-e $file ) {      if (! -e $file) {
         &Apache::lonnet::repcopy($file);   &Apache::lonnet::repcopy($file);
         $file = &Apache::lonnet::filelocation( '', $pdf_uri );   $file = &Apache::lonnet::filelocation('',$pdf_uri);
     }      }
   
   #  The file isn ow replicated locally.. or it did not exist in the first place      #  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      # (unlikely).  If it did exist, add the pdf to the set of files/images that
   # need tob e converted for this print job:      # need tob e converted for this print job:
   
     $file =~ s|(.*)/res/|/home/httpd/html/res/|;      my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
       $file =~ s{(.*)/res/}{$londocroot/res/};
   
     open( FILE,      open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
 ">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"  
     );  
     print FILE ("$file\n");      print FILE ("$file\n");
     close(FILE);      close (FILE);
   
     # Construct the special to put out.  To do this we need to get the      # 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      # resulting filename after conversion.  The file will have the same name
     # but will be in the user's spool directory with converted images.      # but will be in the user's spool directory with converted images.
   
     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";      my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
     my ( $base, $path, $ext ) = &fileparse( $file, '.pdf' );      my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
   
 #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl  #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
     $base =~ s/ /\_/g;      $base =~ s/ /\_/g;
   
   
     my $output = &print_latex_header();      my $output = &print_latex_header();
     $output .=      $output    .= '\special{ps: _begin_job_ ('
       '\special{ps: _begin_job_ (' . $base . '.pdf.eps' . ')run _end_job_}';   .$base.'.pdf.eps'.
    ')run _end_job_}';
   
     return $output;      return $output;
   
   
   }
   ##
   #  Collect the various \select_language{language_name}
   #  latex tags to build a \usepackage[lang-list]{babel} which will
   #  appear just prior to the \begin{document} at the front of the concatenated
   #  set of resources:
   # @param doc - The string of latex to search/replace.
   # @return string
   # @retval - the modified document stringt.
   #
   sub collect_languages {
       my $doc = shift;
       my %languages;
       while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
    $languages{$1} = 1; # allows us to request each language exactly once.
       }
       my @lang_list = (keys(%languages)); # List of unique languages
       if (scalar @lang_list) {
    my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
    $doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
       }
       return $doc;
 }  }
   #-------------------------------------------------------------------
   
 #  #
 #   ssi_with_retries- Does the server side include of a resource.  #   ssi_with_retries- Does the server side include of a resource.
Line 374  sub include_pdf { Line 940  sub include_pdf {
 #                      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 384  sub include_pdf { Line 950  sub include_pdf {
 #   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 400  sub include_pdf { Line 966  sub include_pdf {
 #                               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 $target = $form{'grade_target'};
     my $aom    = $form{'answer_output_mode'};      my $aom    = $form{'answer_output_mode'};
   
     my ( $content, $response ) =  
       &Apache::loncommon::ssi_with_retries( $resource, $retries, %form );  
     if ( !$response->is_success ) {      my ($content, $response) = &Apache::loncommon::ssi_with_retries($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(          $content='\section*{!!! An error occurred !!!}';
             "Error in SSI resource: $resource Error: $ssi_last_error");  
     }      }
   
     return $content;      return $content;
Line 421  sub ssi_with_retries { Line 986  sub ssi_with_retries {
 }  }
   
 sub get_student_view_with_retries {  sub get_student_view_with_retries {
     my (      my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
         $curresline, $retries, $username, $userdomain,  
         $courseid,   $target,  $moreenv      my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
     ) = @_;      if (!$response->is_success) {
           $ssi_error               = 1;
     my ( $content, $response ) =          $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
       &Apache::loncommon::get_student_view_with_retries(          $ssi_last_error          = $response->code . " " . $response->message;
         $curresline, $retries, $username, $userdomain,          $content='\section*{!!! An error occurred !!!}';
         $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 447  sub get_student_view_with_retries { Line 1001  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 ( $subst =~ /\\$/ ) {  
                 $subst .= " ";      if ($subst =~ /\\$/) {
             }   $subst .= " ";
         }      }
         my $item_pos = pos($format_string);   }
         $result .=   my $item_pos = pos($format_string);
           substr( $format_string, 0, $item_pos - length($size) - 2 ) . $subst;   $result .= substr($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 491  sub printf_style_subst { Line 1045  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.
Line 501  sub printf_style_subst { Line 1056  sub printf_style_subst {
 #     %s    - The section if it is supplied.  #     %s    - The section if it is supplied.
 #  #
 sub format_page_header {  sub format_page_header {
     my ( $width, $format, $assignment, $course, $student, $section ) = @_;      my ($width, $format, $assignment, $course, $student) = @_;
   
     $width = &recalcto_mm($width);    # Get width in mm.  
     my $chars_per_line = int( $width / 1.6 );    # Character/textline.  
   
     #  Default format?  
   
     if ( $format eq '' ) {  
   
         # For the default format, we may need to truncate  
         # elements..  To do this we need to get the page width.  
         # we assume that each character is about 2mm in width.  
         # (correct for the header text size??).  We ignore  
         # any formatting (e.g. boldfacing in this).  
         #  
         # - Allow the student/course to be one line.  
         #   but only truncate the course.  
         # - Allow the assignment to be 2 lines (wrapped).  
         #  
   
         my $name_length = int( $chars_per_line * 3 / 4 );  
         my $sec_length  = int( $chars_per_line / 5 );  
   
         $format = "%$name_length" . 'n';      $width = &recalcto_mm($width); # Get width in mm.
       my $chars_per_line = int($width/2);   # Character/textline.
   
         if ($section) {      #  Default format?
             $format .= ' - Sec: ' . "%$sec_length" . 's';  
         }  
   
         $format .= '\\\\%c \\\\ %a';      if ($format eq '') {
    # For the default format, we may need to truncate
    # elements..  To do this we need to get the page width.
    # we assume that each character is about 2mm in width.
    # (correct for the header text size??).  We ignore
    # any formatting (e.g. boldfacing in this).
    # 
    # - Allow the student/course to be one line.
    #   but only truncate the course.
    # - Allow the assignment to be 2 lines (wrapped).
    #
   
           my $firstline = "$student $course";
           if (length($firstline) > $chars_per_line) {
               my $lastchar = $chars_per_line - length($student) - 1;
               if ($lastchar > 0) {
                   $course = substr($course, 0, $lastchar);
               } else {            # Nothing left of course:
                   $course = '';
               }
           }
           if (length($assignment) > $chars_per_line) {
               $assignment = substr($assignment, 0, $chars_per_line);
           }
   
           $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
   
       } else {
           # An open question is how to handle long user formatted page headers...
           # A possible future is to support e.g. %na so that the user can control
           # the truncation of the elements that can appear in the header.
           #
           $format =  &printf_style_subst("a", $format, $assignment);
           $format =  &printf_style_subst("c", $format, $course);
           $format =  &printf_style_subst("n", $format, $student);
   
           # If the user put %'s in the format string, they must be escaped
           # to \% else LaTeX will think they are comments and terminate
           # the line.. which is bad!!!
   
     }      }
   
     # An open question is how to handle long user formatted page headers...      return $format;
     # 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      # 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      # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
     if ( $format =~ /\\\\\s\\\\\s/ ) {      if($format =~ /\\\\\s\\\\\s/) {
   
         #TODO find sensible caption for page header          #TODO find sensible caption for page header
         my $testPrintout =          my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout ');
           '\\\\' . &mt('Construction Space') . ' \\\\' . &mt('Test-Printout ');  
         $format =~ s/\\\\\s\\\\\s/$testPrintout/;          $format =~ s/\\\\\s\\\\\s/$testPrintout/;
     }      }
   
     #      #
     #  We're going to trust LaTeX to break lines appropriately, but      #  We're going to trust LaTeX to break lines appropriately, but
     #  we'll truncate anything that's more than 3 lines worth of      #  we'll truncate anything that's more than 3 lines worth of
Line 565  sub format_page_header { Line 1125  sub format_page_header {
     # header or rather that those control sequences won't get broken      # header or rather that those control sequences won't get broken
     # by the stuff below.      # by the stuff below.
     #      #
     my $total_length = 3 * $chars_per_line;      my $total_length = 3*$chars_per_line;
     if ( length($format) > $total_length ) {      if (length($format) > $total_length) {
         $format = substr( $format, 0, $total_length );   $format = substr($format, 0, $total_length);
     }      }
   
     return $format;  
   
       return $format;
       
 }  }
   
 #  #
Line 579  sub format_page_header { Line 1140  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 617  sub letters_to_num { Line 1176  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   return "Numeric code $value has invalid characters - must only be digits";
           "Numeric code $value has invalid characters - must only be digits";      }
     }      if (length($value) != $num_digits) {
     if ( length($value) != $num_digits ) {   return "Numeric code $value incorrect number of digits (correct = $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 645  sub is_valid_numeric_code { Line 1200  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   return "Letter code $value has incorrect number of letters (correct = $num_letters)";
 "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 678  sub is_valid_alpha_code { Line 1232  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( /:/, $line ) )[ 0, 2, 4 ];          next if (($line =~ /^\#/) || ($line eq ''));
         if ( $name eq $code_option ) {   my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
             $code_length = $length;   if($name eq $code_option) {
             if ( $type eq 'number' ) {      $code_length = $length;
                 $code_type = 'number';      if($type eq '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, $code_length);
     }      } else {
     else {   return &is_valid_alpha_code($code_value, $code_length);
         return &is_valid_alpha_code( $code_value, $code_length );  
     }      }
   
 }  }
   #
   # Compare two students by section (Used to sort by section).
   #
   #  Implicit inputs, 
   #    $a - The first one
   #    $b - The second one.
   #
   #  Returns:
   #     a-section cmp b-section
   #
   sub compare_sections {
       my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
       my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
   
       return $s1 cmp $s2;
   }
   
 #   Compare two students by name.  The students are in the form  #   Compare two students by name.  The students are in the form
 #   returned by the helper:  #   returned by the helper:
Line 716  sub is_code_valid { Line 1286  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 765  sub latex_header_footer_remove { Line 1334  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 792  sub adjust_number_to_print { Line 1359  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 ( $split_pdf eq 'all' ) {      if ($split_pdf eq 'all') {
         $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
     }      } elsif ($split_pdf eq 'oneper') {
     elsif ( $split_pdf eq 'oneper' ) {   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
         $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;      } elsif ($split_pdf eq 'sections') {
     }   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
     elsif ( $split_pdf eq 'sections' ) {      } elsif ($split_pdf eq 'usenumber') {
         $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';   #  Unmodified.
     }      } else {
     elsif ( $split_pdf eq 'usenumber' ) {   # Error!!!!
   
         #  Unmodified.   croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
     }  
     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 830  sub old_character_chart { Line 1391  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 938  sub old_character_chart { Line 1499  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 964  sub old_character_chart { Line 1525  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 1020  sub old_character_chart { Line 1581  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 1028  sub old_character_chart { Line 1589  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 1080  sub old_character_chart { Line 1640  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 1092  sub old_character_chart { Line 1651  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 1132  sub old_character_chart { Line 1690  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 1163  sub old_character_chart { Line 1718  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  
 my %page_formats = (  
     'letter' => {  
         'book' => {  
             '1' => [ '7.1 in',  '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ],  
             '2' => [ '3.66 in', '9.8 in', '-0.57 in', '-0.57 in', '0.275 in' ]  
         },  
         'album' => {  
             '1' => [ '8.8 in', '6.8 in', '-0.55 in', '-0.55 in', '0.394 in' ],  
             '2' => [ '4.8 in', '6.8 in', '-0.5 in',  '-1.0 in',  '3.5 in' ]  
         },  
     },  
     'legal' => {  
         'book' => {  
             '1' => [ '7.1 in',  '13 in',, '-0.57 in', '-0.57 in', '-0.5 in' ],  
             '2' => [ '3.66 in', '13 in',  '-0.57 in', '-0.57 in', '-0.5 in' ]  
         },  
         'album' => {  
             '1' => [ '12 in',  '7.1 in',, '-0.57 in', '-0.57 in', '-0.5 in' ],  
             '2' => [ '6.0 in', '7.1 in',  '-1 in',    '-1 in',    '5 in' ]  
         },  
     },  
     'tabloid' => {  
         'book' => {  
             '1' => [ '9.8 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ],  
             '2' => [ '4.9 in', '16 in', '-0.57 in', '-0.57 in', '-0.5 in' ]  
         },  
         'album' => {  
             '1' => [ '16 in', '9.8 in', '-0.57 in', '-0.57 in', '-0.5 in' ],  
             '2' => [ '16 in', '4.9 in', '-0.57 in', '-0.57 in', '-0.5 in' ]  
         },  
     },  
     'executive' => {  
         'book' => {  
             '1' => [ '6.8 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ],  
             '2' => [ '3.1 in', '9 in', '-0.57 in', '-0.57 in', '1.2 in' ]  
         },  
         'album' => {  
             '1' => [],  
             '2' => []  
         },  
     },  
     'a2' => {  
         'book' => {  
             '1' => [],  
             '2' => []  
         },  
         'album' => {  
             '1' => [],  
             '2' => []  
         },  
     },  
     'a3' => {  
         'book' => {  
             '1' => [],  
             '2' => []  
         },  
         'album' => {  
             '1' => [],  
             '2' => []  
         },  
     },  
     'a4' => {  
         'book' => {  
             '1' =>  
               [ '17.6 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ],  
             '2' => [ '9.1 cm', '27.2 cm', '-1.397 cm', '-2.11 cm', '-1.27 cm' ]  
         },  
         'album' => {  
             '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' ]  
         },  
     },  
     'a5' => {  
         'book' => {  
             '1' => [],  
             '2' => []  
         },  
         'album' => {  
             '1' => [],  
             '2' => []  
         },  
     },  
     'a6' => {  
         'book' => {  
             '1' => [],  
             '2' => []  
         },  
         'album' => {  
             '1' => [],  
             '2' => []  
         },  
     },  
 );  
   
 sub page_format {                    #width, height, oddsidemargin, evensidemargin, topmargin
   my %page_formats=
       ('letter' => {
    'book' => {
        '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
        '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
    },
    'album' => {
        '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
        '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
    },
        },
        'legal' => {
    'book' => {
        '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
        '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
    },
    'album' => {
        '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
             },
        },
        'tabloid' => {
    'book' => {
        '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
        '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
    },
    'album' => {
        '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
        '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
             },
        },
        'executive' => {
    'book' => {
        '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
        '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a2' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a3' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a4' => {
    'book' => {
        '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
        '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
    },
    'album' => {
        '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']
    },
        },
        'a5' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        'a6' => {
    'book' => {
        '1' => [],
        '2' => []
    },
    'album' => {
        '1' => [],
        '2' => []
             },
        },
        );
   
   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(   $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
             &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 (      my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
         $papersize,       $layout,    $numberofcolumns,      my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
         $choice,          $text,      $assignment,  
         $tableofcontents, $indexlist, $selectionmade      if ($selectionmade eq '4') {
     ) = @_;   if ($choice eq 'all_problems') {
     my ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin );              $assignment=&mt('Problems from the Whole Course');
    } else {
     if ( $selectionmade eq '4' ) {              $assignment=&mt('Resources from the Whole Course');
         if ( $choice eq 'all_problems' ) {   }
             $assignment = &mt('Problems from the Whole Course');      } else {
         }   $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
         else {  
             $assignment = &mt('Resources from the Whole Course');  
         }  
     }  
     else {  
         $assignment =  
           &Apache::lonxml::latex_special_symbols( $assignment, 'header' );  
     }      }
     ( $textwidth, $textheight, $oddoffset, $evenoffset, $topmargin ) =      ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$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 =      $header_text     = &format_page_header($textwidth, $header_text, $assignment,
       &format_page_header( $textwidth, $header_text, $assignment, $courseidinfo,     $courseidinfo, $name);
         $name );  
     my $topmargintoinsert = '';      my $topmargintoinsert = '';
     if ( $topmargin ne '0' ) {      if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
         $topmargintoinsert = '\setlength{\topmargin}{' . $topmargin . '}';      my $fancypagestatement='';
     }      if ($numberofcolumns eq '2') {
     my $fancypagestatement = '';   $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
     if ( $numberofcolumns eq '2' ) {      } else {
         $fancypagestatement = "\\fancyhead{}\\fancyhead[LO]{$header_text}";   $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
     }      }
     else {      if ($layout eq 'album') {
         $fancypagestatement = "\\rhead{}\\chead{}\\lhead{$header_text}";      $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
     }      } elsif ($layout eq 'book') {
     if ( $layout eq 'album' ) {   if ($choice ne 'All class print') { 
         $text =~      $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/;
 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 /;   } 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 /;
     elsif ( $layout eq 'book' ) {   }
         if ( $choice ne 'All class print' ) {   if ($papersize eq 'a4') {
             $text =~      my $papersize_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/;      if ($perm{'pav'}) {
         }   $papersize_text = '\\special{papersize=210mm,297mm}';
         else {      } else {
             $text =~   $papersize_text = '\special{papersize=210mm,297mm}';
 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 /;      }
         }      $text =~ s/(\\begin{document})/$1$papersize_text/;
         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 ( $indexlist eq 'yes' ) {      if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
         $text =~ s/(\\begin{document})/\\makeindex $1/;      if ($indexlist eq 'yes') {
         $text =~ s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;   $text=~s/(\\begin{document})/\\makeindex $1/;
    $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
     }      }
     return $text;      return $text;
 }  }
   
 sub page_cleanup {  
     my $result = shift;  
   
   sub page_cleanup {
       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 =~      $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
 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      return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
 '\noindent\makebox[\textwidth/$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 =~   $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
 s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;      } else {
     }   $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
     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 =~      $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
 s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;  
     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;      $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
   #-- LaTeX corrections     
     #-- LaTeX corrections      my $first_comment = index($result,'<!--',0);
     my $first_comment = index( $result, '<!--', 0 );      while ($first_comment != -1) {
     while ( $first_comment != -1 ) {   my $end_comment = index($result,'-->',$first_comment);
         my $end_comment = index( $result, '-->', $first_comment );   substr($result,$first_comment,$end_comment-$first_comment+3) = '';
         substr( $result, $first_comment, $end_comment - $first_comment + 3 ) =   $first_comment = index($result,'<!--',$first_comment);
           '';  
         $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++ ) {   for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
             $st = ( index $texversion, '}', $st + 1 );   $chunk=substr($texversion,0,$st+1);
         }   substr($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;
   
     return &Apache::londefdef::latex_header($mode);      return &Apache::londefdef::latex_header($mode);
 }  }
   
 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
     #characters average about 2 mm in width      if (length($urlp)*2 > $colwidth) {
     if ( length($urlp) * 2 > $colwidth ) {   my @elements = split('/',$urlp);
         my @elements = split( '/', $urlp );   my $curlength=0;
         my $curlength = 0;   foreach my $element (@elements) {
         foreach my $element (@elements) {      if ($element eq '') { next; }
             if ( $element eq '' ) { next; }      if ($curlength+(length($element)*2) > $colwidth) {
             if ( $curlength + ( length($element) * 2 ) > $colwidth ) {   $newurlp .=  '|\vskip -1 mm \verb|';
                 $newurlp .= '|\vskip -1 mm \verb|';   $curlength=length($element)*2;
                 $curlength = length($element) * 2;      } else {
             }   $curlength+=length($element)*2;
             else {      }
                 $curlength += length($element) * 2;      $newurlp.='/'.$element;
             }   }
             $newurlp .= '/' . $element;      } else {
         }   $newurlp=$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/) {
     elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*mm/ ) {   $LaTeXwidth = $1;
         $LaTeXwidth = $1;      } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
    $LaTeXwidth = $1*25.4;
     }      }
     elsif ( $textwidth =~ /(-?\d+\.?\d*)\s*in/ ) {      $LaTeXwidth.=' mm';
         $LaTeXwidth = $1 * 25.4;  
     }  
     $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'}.' '.
         $textwidth =   $helper->{'VARS'}->{'pagesize.widthunit'});
           &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);          $currentURL=~s|^http://https://|https://|;
         $title = &Apache::lonxml::latex_special_symbols($title);   my $title=&Apache::lonnet::gettitle($symb);
         $result .=   $title = &Apache::lonxml::latex_special_symbols($title);
           ' \strut \\\\ ' . $title . ' \strut \\\\ ' . $currentURL . ' ';   $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
     }      } else {
     else {   $result.=$currentURL;
         $result .= $currentURL;  
     }      }
     $result .=      $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
 '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';  
     return $result;      return $result;
 }  }
   
Line 1576  sub unsupported { Line 2092  sub unsupported {
 #  #
 sub map_laystyle {  sub map_laystyle {
     my ($laystyle) = @_;      my ($laystyle) = @_;
     if ( $laystyle eq 'L' ) {      if ($laystyle eq 'L') {
         $laystyle = 'album';   $laystyle='album';
     }      } else {
     else {   $laystyle='book';
         $laystyle = 'book';  
     }      }
     return $laystyle;      return $laystyle;
 }  }
   
 sub print_page_in_course {  sub print_page_in_course {
     my ( $helper, $rparmhash, $currentURL, $resources ) = @_;      my ($helper, $rparmhash, $currentURL, $resources) = @_;
   
     my %parmhash       = %$rparmhash;      my %parmhash       = %$rparmhash;
     my @page_resources = @$resources;      my @page_resources = @$resources;
     my $mode           = $helper->{'VARS'}->{'LATEX_TYPE'};      my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
     my $symb           = $helper->{'VARS'}->{'symb'};      my $symb = $helper->{'VARS'}->{'symb'};
   
   
     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};      my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
   
     my @temporary_array = split /\|/, $format_from_helper;  
     my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) =      my @temporary_array=split /\|/,$format_from_helper;
       @temporary_array;      my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
     $laystyle = &map_laystyle($laystyle);      $laystyle = &map_laystyle($laystyle);
     my ( $textwidth, $textheight, $oddoffset, $evenoffset ) =      my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
       &page_format( $papersize, $laystyle, $numberofcolumns );        $numberofcolumns);
     my $LaTeXwidth = &recalcto_mm($textwidth);      my $LaTeXwidth=&recalcto_mm($textwidth); 
   
     if ( $mode ne '' ) { $mode = '\\' . $mode }  
     my $result = &print_latex_header($mode);      if ($mode ne '') {$mode='\\'.$mode}
     if ( $currentURL =~ m|^(/adm/wrapper/)?ext/| ) {      my $result   =    &print_latex_header($mode);
         $currentURL =~ s|^(/adm/wrapper/)?ext/|http://|;      if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
         my $title = &Apache::lonnet::gettitle($symb);   $currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
         $title = &Apache::lonxml::latex_special_symbols($title);   my $title=&Apache::lonnet::gettitle($symb);
     }   $title = &Apache::lonxml::latex_special_symbols($title);
     else {      } else {
         $result .= $currentURL;          my $esc_currentURL= $currentURL;
           $esc_currentURL =~ s/_/\\_/g;
    $result.=$esc_currentURL;
     }      }
     $result .= '\\\\';      $result .= '\\\\';
   
     if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) {      if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
         &Apache::lonnet::appenv(   &Apache::lonnet::appenv({'construct.style' =>
             { 'construct.style' => $helper->{'VARS'}->{'style_file'} } );   $helper->{'VARS'}->{'style_file'}});
     }      } elsif ($env{'construct.style'}) {
     elsif ( $env{'construct.style'} ) {   &Apache::lonnet::delenv('construct.style');
         &Apache::lonnet::delenv('construct.style');  
     }      }
   
     # First is the overall page description.  This is then followed by the      # First is the overall page description.  This is then followed by the 
     # components of the page. Each of which must be printed independently.      # components of the page. Each of which must be printed independently.
     my $the_page = shift(@page_resources);      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';      foreach my $resource (@page_resources) {
             $form{'textwidth'}    = &get_textwidth( $helper, $LaTeXwidth );   my $resource_src   = $resource->src(); # Essentially the URL of the resource.
             $form{'pdfFormFiels'} = $pdfFormFields;                           #   $result           .= $resource->title() . '\\\\';
             $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   # Recurse if a .page:
             #  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 ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {   if ($resource_src =~ /.page$/i) {
                     $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;      my $navmap         = Apache::lonnavmaps::navmap->new();
                 }      my @page_resources = $navmap->retrieveResources($resource_src);
                 else {      $result           .= &print_page_in_course($helper, $rparmhash, 
                     $texversion =         $resource_src, \@page_resources);
                       &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} );          } elsif ($resource->ext()) {
                     if ( $helper->{'VARS'}->{'construction'} ne '1' ) {              $result .= &unsupported($currentURL,$mode,$symb);
                         my $title =   }
                           &Apache::lonnet::gettitle(   # these resources go through the XML transformer:
                             $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}';  
                 }  
   
             }   elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {
   
             # Print annotations.      my $urlp = &Apache::lonnet::clutter($resource_src);
   
             if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {      my %form;
                 my $annotation .= &annotate($currentURL);      my %moreenv;
                 $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;  
             }  
   
             if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {      &Apache::lonxml::remember_problem_counter();
                 $texversion = &IndexCreation( $texversion, $currentURL );      $moreenv{'request.filename'}=$urlp;
             }      if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
             if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) {  
                 $texversion =~      $form{'grade_target'}  = 'tex';
 s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;      $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
       $form{'pdfFormFields'} = 'no'; # 
       $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{'.
                           &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
    $texversion.=&path_to_problem($urlp,$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);      $texversion = &latex_header_footer_remove($texversion);
   
             # the first remaining line is a comment from londefdef the second      # the first remaining line is a comment from londefdef the second
             # line  seems to be an extraneous \vskip 1mm \\\\ :      # line  seems to be an extraneous \vskip 1mm \\\\ :
             # (imperfect removal from header_footer_remove?              # (imperfect removal from header_footer_remove?
   
             $texversion =~ s/\\vskip 1mm \\\\\\\\//;      $texversion =~ s/\\vskip 1mm \\\\\\\\//;
   
             $result .= $texversion;      $result .= $texversion;
             if ( $currentURL =~ m/\.page\s*$/ ) {      if ($currentURL=~m/\.page\s*$/) {
                 ( $result, $numberofcolumns ) = &page_cleanup($result);   ($result,$numberofcolumns) = &page_cleanup($result);
             }      }
         }   }
     }      }
   
     $result .=      $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
 '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';  
     return $result;      return $result;
 }  }
   
   
 #  #
 # List of recently generated print files  # List of recently generated print files
 #  #
 sub recently_generated {  sub recently_generated {
     my $r        = shift;      my ($prtspool) = @_;
     my $prtspool = $r->dir_config('lonPrtDir');      my $output;
     my $zip_result;      my $zip_result;
     my $pdf_result;      my $pdf_result;
     opendir( DIR, $prtspool );      opendir(DIR,$prtspool);
   
     my @files =      my @files = 
       grep(   grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
         /^$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)$/);
         my (   my ($cdev,$cino,$cmode,$cnlink,
             $cdev,   $cino,     $cmode, $cnlink, $cuid,      $cuid,$cgid,$crdev,$csize,
             $cgid,   $crdev,    $csize, $catime, $cmtime,      $catime,$cmtime,$cctime,
             $cctime, $cblksize, $cblocks      $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
         ) = stat( $prtspool . '/' . $filename );          my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
         my $ext_text = 'pdf' ? &mt('PDF File') : &mt('Zip File');   my $result=&Apache::loncommon::start_data_table_row()
         my $result =                    .'<td>'
             &Apache::loncommon::start_data_table_row() . '<td>'                    .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
           . '<a href="/prtspool/'                    .'</td>'
           . $filename . '">'                    .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
           . $ext_text . '</a>' . '</td>' . '<td>'                    .'<td align="right">'.$csize.'</td>'
           . &Apache::lonlocal::locallocaltime($cctime) . '</td>'                    .&Apache::loncommon::end_data_table_row();
           . '<td align="right">'   if ($ext eq 'pdf') { $pdf_result .= $result; }
           . $csize . '</td>'   if ($ext eq 'zip') { $zip_result .= $result; }
           . &Apache::loncommon::end_data_table_row();  
         if ( $ext eq 'pdf' ) { $pdf_result .= $result; }  
         if ( $ext eq 'zip' ) { $zip_result .= $result; }  
     }      }
     if ( $zip_result || $pdf_result ) {      if ($zip_result || $pdf_result) {
         $r->print('<hr />');          $output ='<hr />';
     }      }
     if ($zip_result) {      if ($zip_result) {
         $r->print( '<h3>'   $output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
               . &mt('Recently generated printout zip files')                    .&Apache::loncommon::start_data_table()
               . "</h3>\n"                    .&Apache::loncommon::start_data_table_header_row()
               . &Apache::loncommon::start_data_table()                    .'<th>'.&mt('Download').'</th>'
               . &Apache::loncommon::start_data_table_header_row() . '<th>'                    .'<th>'.&mt('Creation Date').'</th>'
               . &mt('Download') . '</th>' . '<th>'                    .'<th>'.&mt('File Size (Bytes)').'</th>'
               . &mt('Creation Date') . '</th>' . '<th>'                    .&Apache::loncommon::end_data_table_header_row()
               . &mt('File Size (Bytes)') . '</th>'                    .$zip_result
               . &Apache::loncommon::end_data_table_header_row()                    .&Apache::loncommon::end_data_table();
               . $zip_result  
               . &Apache::loncommon::end_data_table() );  
     }      }
     if ($pdf_result) {      if ($pdf_result) {
         $r->print( '<h3>'   $output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
               . &mt('Recently generated printouts')                    .&Apache::loncommon::start_data_table()
               . "</h3>\n"                    .&Apache::loncommon::start_data_table_header_row()
               . &Apache::loncommon::start_data_table()                    .'<th>'.&mt('Download').'</th>'
               . &Apache::loncommon::start_data_table_header_row() . '<th>'                    .'<th>'.&mt('Creation Date').'</th>'
               . &mt('Download') . '</th>' . '<th>'                    .'<th>'.&mt('File Size (Bytes)').'</th>'
               . &mt('Creation Date') . '</th>' . '<th>'                    .&Apache::loncommon::end_data_table_header_row()
               . &mt('File Size (Bytes)') . '</th>'                    .$pdf_result
               . &Apache::loncommon::end_data_table_header_row()                    .&Apache::loncommon::end_data_table();
               . $pdf_result  
               . &Apache::loncommon::end_data_table() );  
     }      }
       return $output;
 }  }
   
 #  #
Line 1860  sub recently_generated { Line 2354  sub recently_generated {
 #    &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.  #   Returns text to insert for any extra vskip prior to the resource.
 #   Parameters:  #   Parameters:
 #     helper   - Reference to the helper object driving the printout.  #     helper   - Reference to the helper object driving the printout.
Line 1881  sub get_page_breaks { Line 2374  sub get_page_breaks {
 #    EXTRASPACE         has the list of extra space values.  #    EXTRASPACE         has the list of extra space values.
 #    EXTRASPACE_UNITS   is the set of resources for which the units are  #    EXTRASPACE_UNITS   is the set of resources for which the units are
 #                       mm. All others are 'in'.  #                       mm. All others are 'in'.
 #  #    
 #    The resource is found in the POSSIBLE_RESOURCES to get the index  #    The resource is found in the POSSIBLE_RESOURCES to get the index
 #    of the EXTRASPACE value.  #    of the EXTRASPACE value.
 #  #
Line 1890  sub get_page_breaks { Line 2383  sub get_page_breaks {
 #   EXTRASPACE is turned into an array.  #   EXTRASPACE is turned into an array.
 #  #
   
   
 my %possible_resources;  my %possible_resources;
 my %extraspace_mm;  my %extraspace_mm;
 my @extraspace;  my @extraspace;
 my $skips_loaded = 0;  my $skips_loaded       = 0;
   
 #  Function to load the skips hash and array  #  Function to load the skips hash and array
   
 sub load_skips {  sub load_skips {
   
     my ($helper) = @_;      my ($helper)  = @_;
   
     #  If this is the first time, unrap the resources and extra spaces:      #  If this is the first time, unrap the resources and extra spaces:
   
     if ( !$skips_loaded ) {      if (!$skips_loaded) {
         @extraspace = ( split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'} ) );   @extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
         my @resource_list =   my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
           ( split( /\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'} ) );   my $i = 0;
         my $i = 0;   foreach my $resource (@resource_list) {
         foreach my $resource (@resource_list) {      $possible_resources{$resource} = $i;
             $possible_resources{$resource} = $i;      $i++;
             $i++;   }
         }   foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
         foreach my $mm_resource (      $extraspace_mm{$mm_resource} = 1;
             split( /\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'} ) )   }
         {   $skips_loaded = 1;
             $extraspace_mm{$mm_resource} = 1;  
         }  
         $skips_loaded = 1;  
     }      }
 }  }
   
 sub get_extra_vspaces {  sub get_extra_vspaces {
     my ( $helper, $resource ) = @_;      my ($helper, $resource) = @_;
   
     &load_skips($helper);      &load_skips($helper);
   
Line 1934  sub get_extra_vspaces { Line 2425  sub get_extra_vspaces {
     my $skip  = $extraspace[$index];      my $skip  = $extraspace[$index];
   
     my $result = '';      my $result = '';
     if ( $skip ne '' ) {      if ($skip ne '') {
         my $units = 'in';   my $units = 'in';
         if ( defined( $extraspace_mm{$resource} ) ) {   if (defined($extraspace_mm{$resource})) {
             $units = 'mm';      $units = 'mm';
         }   }
         $result = '\vskip ' . $skip . ' ' . $units;   $result = '\vskip '.$skip.' '.$units;
     }      }
   
   
     return $result;      return $result;
   
   
 }  }
   
 #  #
 #  The resource chooser part of the helper needs more than just  #  The resource chooser part of the helper needs more than just
 #  the value of the extraspaces var to recover the value into a text  #  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:  #  field option.  This sub produces the required format for the saved var:
 #  specifically  #  specifically 
 #    ||| separated fields of the form resourcename=value  #    ||| separated fields of the form resourcename=value
 #  #
 #  Parameters:  #  Parameters:
Line 1976  sub set_form_extraspace { Line 2469  sub set_form_extraspace {
   
     my $result = '';      my $result = '';
   
     foreach my $resource ( keys(%possible_resources) ) {      foreach my $resource (keys(%possible_resources)) {
         my $vskip = $extraspace[ $possible_resources{$resource} ];   my $vskip = $extraspace[$possible_resources{$resource}];
         $result .= $resource . '=' . $vskip . '|||';   $result  .= $resource .'=' . $vskip . '|||';
     }      }
   
     $env{'form.extraspace'}       = $result;      $env{'form.extraspace'}  = $result;
     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};      $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
     return $result;      return $result;
       
 }  }
   
 #  Output a sequence (recursively if neeed)  #  Output a sequence (recursively if neeed)
Line 2001  sub set_form_extraspace { Line 2494  sub set_form_extraspace {
 #   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 $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$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++ ) {  
         $resources[ $order[$member] ] =~ /^([^:]*):([^:]*):/;  
         my $urlp = $2;  
         if ( $urlp =~  
 /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/  
           )  
         {  
             my $texversion = '';  
             if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) {  
                 $form{'problem_split'}  = $parmhash{'problem_stream_switch'};  
                 $form{'suppress_tries'} = $parmhash{'suppress_tries'};  
                 $form{'latex_type'}     = $helper->{'VARS'}->{'LATEX_TYPE'};  
                 $form{'rndseed'}        = $rndseed;  
                 $resources_printed .= $urlp . ':';  
                 $texversion =  
                   &ssi_with_retries( $urlp, $ssi_retry_count, %form );  
             }  
             if (  
                 (  
                        ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )  
                     || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' )  
                 )  
                 && ( $urlp =~  
                     /\.(problem|exam|quiz|assess|survey|form|library|page)$/ )  
               )  
             {  
   
                 #  Don't permanently modify %$form...  
                 my %answerform = %form;  
                 $answerform{'grade_target'}       = 'answer';  
                 $answerform{'answer_output_mode'} = 'tex';  
                 $answerform{'rndseed'}            = $rndseed;  
                 $answerform{'problem_split'} =  
                   $parmhash{'problem_stream_switch'};  
                 if ( $urlp =~ /\/res\// ) {  
                     $env{'request.state'} = 'published';  
                 }  
                 $resources_printed .= $urlp . ':';  
                 my $answer =  
                   &ssi_with_retries( $urlp, $ssi_retry_count, %answerform );  
   
                 if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {  
                     $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;  
                 }  
                 else {  
   
                     # If necessary, encapsulate answer in minipage:  
   
                     $texversion =  
                       &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} );  
                     my $title =  
                       &Apache::lonnet::gettitle( $helper->{'VARS'}->{'symb'} );  
                     $title = &Apache::lonxml::latex_special_symbols($title);  
                     my $body =  
                         '\vskip 0 mm \noindent\textbf{'   
                       . $title  
                       . '}\vskip 0 mm ';  
                     $body .= &path_to_problem( $urlp, $LaTeXwidth );  
                     $body .= '\vskip 1 mm ' . $answer . '\end{document}';  
                     $body = &encapsulate_minipage($body);  
                     $texversion .= $body;  
                 }  
             }  
             $texversion = &latex_header_footer_remove($texversion);  
   
             if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {  
                 $texversion = &IndexCreation( $texversion, $urlp );  
             }  
             if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) {  
                 $texversion =~  
 s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;  
             }  
             $result .= $texversion;  
   
         }  
         elsif ( $urlp =~ /\.(sequence|page)$/ ) {  
   
             # header:  
   
             $result .=  
                 '\strut\newline\noindent Sequence/page '   
               . $urlp  
               . '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';  
   
             # IF sequence, recurse:  
   
             if ( $urlp =~ /\.sequence$/ ) {  
                 my $sequence_url = $urlp;  
                 my $domain = $env{'user.domain'};  # Constr. space only on local  
                 my $user   = $env{'user.name'};  
   
                 $sequence_url =~ s/^\/res\/$domain/\/home/;      for (my $member=0;$member<=$#order;$member++) {
                 $sequence_url =~ s/^(\/home\/$user)/$1\/public_html/;   $resources[$order[$member]]=~/^([^:]*):([^:]*):/;
    my $urlp=$2;
               # $sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;   if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                 $result .=      my $texversion='';
                   &print_construction_sequence( $sequence_url, $helper, %form,      if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                     $LaTeXwidth );   $form{'problem_split'}=$parmhash{'problem_stream_switch'};
             }   $form{'suppress_tries'}=$parmhash{'suppress_tries'};
         }   $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
         elsif ( $urlp =~ /\.pdf$/i ) {   $form{'rndseed'}=$rndseed;
             my $texversion;   $resources_printed .=$urlp.':';
             if ( $member != 0 ) {   $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
                 $texversion .= '\cleardoublepage';      }
             }      if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
    ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
             $texversion .= &include_pdf($urlp);         ($urlp=~/$LONCAPA::assess_page_re/)) {
             $texversion = &latex_header_footer_remove($texversion);   #  Don't permanently modify %$form...
             if ( $member != $#order ) {   my %answerform = %form;
                 $texversion .= '\\ \cleardoublepage';   $answerform{'grade_target'}='answer';
             }   $answerform{'answer_output_mode'}='tex';
    $answerform{'rndseed'}=$rndseed;
             $result .= $texversion;   $answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
         }   if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
     }   $resources_printed .= $urlp.':';
     if ( $helper->{VARS}->{'construction'} eq '1' ) {   my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
         $result =~ s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;   if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
    } else {
       # If necessary, encapsulate answer in minipage:
       
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
       $title = &Apache::lonxml::latex_special_symbols($title);
       my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
       $body.=&path_to_problem($urlp,$LaTeXwidth);
       $body.='\vskip 1 mm '.$answer.'\end{document}';
       $body = &encapsulate_minipage($body);
       $texversion.=$body;
    }
       }
       $texversion = &latex_header_footer_remove($texversion);
   
       if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
    $texversion=&IndexCreation($texversion,$urlp);
       }
       if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
       }
       $result.=$texversion;
   
    } elsif ($urlp=~/\.(sequence|page)$/) {
    
       # header:
   
       $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
   
       # IF sequence, recurse:
       
       if ($urlp =~ /\.sequence$/) {
    $result .= &print_construction_sequence($urlp, 
    $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\} /;}
     return $result;      return $result;
 }  }
   
   #
   #  Top level for generating print output.
   #
   #  May call print_resources if multiple resources will be printed.
   #
   #  The main driver is $selectionmade which reflects the type of print out
   #  requested:
   #   Value    Print type:
   #   1        Print resource that's being looked at.
   #   2        Print problems in a map or in a page.
   #   3        Print pages in a map or resources in a page.
   #   4        Print all problems  or all resources.
   #   5        Print problems for seleted students.
   #   6        Print selected problems from a folder.
   #   7        Print print selected resources from some scope.
   #   8        Print resources for selected students.
   #
   #BZ 5209
   #   2        map_incomplete_problems_seq Print incomplete problems from the current
   #            folder in student context.
   #   5      map_incomplete_problems_people_seq Print incomplete problems from the
   #            current folder in privileged context.
   #    5      incomplete_problems_selpeople_course Print incomplete problems for
   #            selected people from the entire course.
   #
   #   Item 101 has much the same processing as 8,
   #
   #  Differences:  Item 101, 102 require per-student filtering of the resource
   #  set so that only the incomplete resources are printed.
   #  For item 100, filtering was done at the helper level.
   
 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'};      $font_size = $helper->{'VARS'}->{'fontsize'};
       my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
     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 2169  sub output_data { Line 2659  sub output_data {
 </script>  </script>
 ENDPART  ENDPART
   
   
     # Breadcrumbs      # Breadcrumbs
     #FIXME: Choose better/different breadcrumbs?!? Links?      #FIXME: Choose better/different breadcrumbs?!? Links?
     my $brcrum = [      my $brcrum = [{'href' => '',
         {                     'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
             'href' => '',                    {'href' => '',
             'text' => 'Helper'                     'text' => 'Preparing Printout'}];
         },    #FIXME: Different origin possible than print out helper?  
         {      my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
             'href' => '',                                                       $js,
             'text' => 'Preparing Printout'                                                       {'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, { 'bread_crumbs' => $brcrum, } );  
     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" );      $r->print($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'}  = $helper->{'VARS'}->{'FINISHPAGE'};
     &set_form_extraspace($helper);      &set_form_extraspace($helper);
     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'};      $env{'form.lastprinttype'} = $print_type; 
     &Apache::loncommon::store_course_settings(      &Apache::loncommon::store_course_settings('print',
         'print',        {'pagebreaks'    => 'scalar',
         {         'extraspace'    => 'scalar',
             'pagebreaks'       => 'scalar',         'extraspace_units' => 'scalar',
             'extraspace'       => 'scalar',         'lastprinttype' => 'scalar'});
             'extraspace_units' => 'scalar',      my %page_breaks  = &get_page_breaks($helper);
             '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 =      my $number_of_columns = 1; #used only for pages to determine the width of the cell
       1;    #used only for pages to determine the width of the cell      my @temporary_array=split /\|/,$format_from_helper;
     my @temporary_array = split /\|/, $format_from_helper;      my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
     my ( $laystyle, $numberofcolumns, $papersize, $pdfFormFields ) =  
       @temporary_array;  
   
     $laystyle = &map_laystyle($laystyle);      $laystyle = &map_laystyle($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;      $form{'pdfFormFields'} = 'no';
   
     # 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'}) {
    &Apache::lonnet::delenv('construct.style');
       }
   
       if ($print_type eq 'current_document') {
         #-- single document - problem, page, html, xml, ...
    my ($currentURL,$cleanURL);
   
     if ( $helper->{'VARS'}->{'style_file'} =~ /\w/ ) {   if ($helper->{'VARS'}->{'construction'} ne '1') {
         &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' ) {  
   
         #-- single document - problem, page, html, xml, ...  
         my ( $currentURL, $cleanURL );  
   
         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; }      $cleanURL=$currentURL;
             $cleanURL = $currentURL;   }
         }   $selectionmade = 1;
         $selectionmade = 1;        
         if (   $cleanURL !~ m|^/adm/|   if ($cleanURL!~m|^/adm/|
             && $cleanURL =~      && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
 /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/      my $rndseed=time;
           )      my $texversion='';
         {      if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
             my $rndseed    = time;   my %moreenv;
             my $texversion = '';   $moreenv{'request.filename'}=$cleanURL;
             if ( $helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only' ) {                  if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                 my %moreenv;   $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                 $moreenv{'request.filename'} = $cleanURL;   $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                 if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) {   $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                     $form{'problemtype'} = 'exam';   $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                 }   $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                 $form{'problem_split'}  = $parmhash{'problem_stream_switch'};   if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                 $form{'suppress_tries'} = $parmhash{'suppress_tries'};      ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                 $form{'latex_type'}     = $helper->{'VARS'}->{'LATEX_TYPE'};      $form{'problem_split'}='yes';
                 $form{'print_discussions'} =   }
                   $helper->{'VARS'}->{'PRINT_DISCUSSIONS'};   if ($helper->{'VARS'}->{'curseed'}) {
                 $form{'print_annotations'} =      $rndseed=$helper->{'VARS'}->{'curseed'};
                   $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};   }
                 if (   ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' )   $form{'rndseed'}=$rndseed;
                     || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) )   &Apache::lonnet::appenv(\%moreenv);
                 {  
                     $form{'problem_split'} = 'yes';   &Apache::lonxml::clear_problem_counter();
                 }  
                 if ( $helper->{'VARS'}->{'curseed'} ) {   $resources_printed .= $currentURL.':';
                     $rndseed = $helper->{'VARS'}->{'curseed'};   $texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
                 }  
                 $form{'rndseed'} = $rndseed;   #  Add annotations if required:
                 &Apache::lonnet::appenv( \%moreenv );      
    &Apache::lonxml::clear_problem_counter();
                 &Apache::lonxml::clear_problem_counter();  
    &Apache::lonnet::delenv('request.filename');
                 $resources_printed .= $currentURL . ':';      }
                 $texversion .=      # current document with answers.. no need to encap in minipage
                   &ssi_with_retries( $currentURL, $ssi_retry_count, %form );      #  since there's only one answer.
   
                 #  Add annotations if required:      if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                 &Apache::lonxml::clear_problem_counter();  
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                 &Apache::lonnet::delenv('request.filename');   $form{'grade_target'}='answer';
             }   $form{'answer_output_mode'}='tex';
    $form{'rndseed'}=$rndseed;
             # current document with answers.. no need to encap in minipage                  if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
             #  since there's only one answer.      $form{'problemtype'}='exam';
    }
             if (   ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )   $resources_printed .= $currentURL.':';
                 || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) )   my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
             {  
                 $form{'problem_split'} = $parmhash{'problem_stream_switch'};  
                 $form{'grade_target'}  = 'answer';   if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                 $form{'answer_output_mode'} = 'tex';      $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                 $form{'rndseed'}            = $rndseed;   } else {
                 if ( $helper->{'VARS'}->{'probstatus'} eq 'exam' ) {      $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                     $form{'problemtype'} = 'exam';      if ($helper->{'VARS'}->{'construction'} ne '1') {
                 }   my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                 $resources_printed .= $currentURL . ':';   $title = &Apache::lonxml::latex_special_symbols($title);
                 my $answer =   $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   &ssi_with_retries( $currentURL, $ssi_retry_count, %form );   $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
       } else {
                 if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {   $texversion.='\vskip 0 mm \noindent\textbf{'.
                     $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;                          &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
                 }  
                 else {   $texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
                     $texversion =      }
                       &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} );      $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                     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      # Print annotations.
                           . '}\vskip 0 mm ';  
                         $texversion .=  
                           &path_to_problem( $cleanURL, $LaTeXwidth );      if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                     }   my $annotation .= &annotate($currentURL);
                     else {   $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                         $texversion .=      }
 '\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';  
                         my $URLpath = $cleanURL;  
                         $URLpath =~ s/~([^\/]+)/public_html\/$1\/$1/;      if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                         $texversion .=   $texversion=&IndexCreation($texversion,$currentURL);
                           &path_to_problem( $URLpath, $LaTeXwidth );      }
                     }      if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                     $texversion .= '\vskip 1 mm ' . $answer . '\end{document}';   $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                 }  
       }
             }      $result .= $texversion;
       if ($currentURL=~m/\.page\s*$/) {
             # Print annotations.   ($result,$number_of_columns) = &page_cleanup($result);
       }
             if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {          } elsif ($cleanURL!~m|^/adm/|
                 my $annotation .= &annotate($currentURL);   && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                 $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$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() . $result;  
             }   } elsif ($cleanURL =~ /\.pdf$/i) {
       $result .= &include_pdf($cleanURL);
             # End construction space sequence.      $result .= '\end{document}';
         }   } elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
         elsif ( $cleanURL =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) {  
             $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'};      # Determine the set of resources in the map of the page:
             if ( $currentURL =~ /\/syllabus$/ ) { $currentURL =~ s/\/res//; }  
             $resources_printed .= $currentURL . ':';      my $navmap         =  Apache::lonnavmaps::navmap->new();
             my $texversion =      my @page_resources =  $navmap->retrieveResources($cleanURL);
               &ssi_with_retries( $currentURL, $ssi_retry_count, %form );      $result           .=  &print_page_in_course($helper, $rparmhash,
             if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {   $cleanURL, \@page_resources);
                 my $annotation = &annotate($currentURL);  
                 $texversion =~ s/(\\end{document})/$annotation$1/;         
             }   } else {
             $result .= $texversion;      $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
         }    $helper->{'VARS'}->{'symb'});
         elsif ( $cleanURL =~ /\.tex$/ ) {   }
       } elsif (($print_type eq 'map_problems')          or
            # For this sort of print of a single LaTeX file,       ($print_type eq 'map_problems_in_page')  or
            # We can just print the LaTeX file as it is uninterpreted in any way:       ($print_type eq 'map_resources_in_page') or
            #               ($print_type eq 'map_problems_pages')    or
                ($print_type eq 'all_problems')          or
             $result = &fetch_raw_resource($currentURL);       ($print_type eq 'all_resources')         or # BUGBUG
             if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {       ($print_type eq 'select_sequences')      or
                 my $annotation = &annotate($currentURL);       ($print_type eq 'map_incomplete_problems_seq')
                 $result =~ s/(\\end{document})/$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 (   ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems' )   if (($print_type eq 'map_problems')                or
             or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page' ) )      ($print_type eq 'map_incomplete_problems_seq') or
         {      ($print_type eq 'map_problems_in_page') ) {
             $selectionmade = 2;      $selectionmade = 2;
         }   } elsif (($print_type eq 'map_problems_pages') or
         elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages' )   ($print_type eq 'map_resources_in_page'))
             or ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page' )   {
           )      $selectionmade = 3;
         {   } elsif (($print_type eq 'all_problems') 
             $selectionmade = 3;   ) {
         }      $selectionmade = 4;
         elsif ( ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems' ) ) {   } elsif ($print_type eq 'all_resources') {  #BUGBUG
             $selectionmade = 4;      $selectionmade = 4;
         }   } elsif ($print_type eq 'select_sequences') {
         elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources' ) { #BUGBUG      $selectionmade = 7;
             $selectionmade = 4;   }
         }  
         elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences' ) {  
             $selectionmade = 7;  
         }  
         $form{'problem_split'}     = $parmhash{'problem_stream_switch'};  
         $form{'suppress_tries'}    = $parmhash{'suppress_tries'};  
         $form{'latex_type'}        = $helper->{'VARS'}->{'LATEX_TYPE'};  
         $form{'print_discussions'} = $helper->{'VARS'}->{'PRINT_DISCUSSIONS'};  
         $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 $flag_latex_header_remove = 'NO';  
         my $flag_page_in_sequence    = 'NO';  
         my @master_seq     = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};  
         my $prevassignment = '';  
   
         &Apache::lonxml::clear_problem_counter();  
   
         my $pbreakresources = keys %page_breaks;  
         for ( my $i = 0 ; $i <= $#master_seq ; $i++ ) {  
   
             &Apache::lonenc::reset_enc();  
   
             # Note due to document structure, not allowed to put \newpage  
             # prior to the first resource  
   
             if ( defined $page_breaks{ $master_seq[$i] } ) {  
                 if ( $i != 0 ) {  
                     $result .= "\\newpage\n";  
                 }  
             }  
             $result .= &get_extra_vspaces( $helper, $master_seq[$i] );  
             my ( $sequence, $middle_thingy, $urlp ) =  
               &Apache::lonnet::decode_symb( $master_seq[$i] );  
             $urlp = &Apache::lonnet::clutter($urlp);  
             $form{'symb'} = $master_seq[$i];  
   
             my $assignment =  
               &Apache::lonxml::latex_special_symbols(  
                 &Apache::lonnet::gettitle($sequence), 'header' )  
               ;    #title of the assignment which contains this problem  
   
             if ( $selectionmade == 7 ) {   $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                 $helper->{VARS}->{'assignment'} = $assignment;   $form{'suppress_tries'}=$parmhash{'suppress_tries'};
             }   $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
             if ( $i == 0 ) { $prevassignment = $assignment; }   $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
             my $texversion = '';   $form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
             if (   $urlp !~ m|^/adm/|   if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                 && $urlp =~      ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
 /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/      $form{'problem_split'}='yes';
               )   }
             {   my $flag_latex_header_remove = 'NO';
                 $resources_printed .= $urlp . ':';   my $flag_page_in_sequence = 'NO';
                 &Apache::lonxml::remember_problem_counter();   my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                 if ( $flag_latex_header_remove eq 'NO' ) {   my $prevassignment='';
                     $texversion .=  
                       &print_latex_header( $helper->{'VARS'}->{'LATEX_TYPE'} )   &Apache::lonxml::clear_problem_counter();
                       ;    # RF  
                     $flag_latex_header_remove = 'YES';   my $pbreakresources = keys %page_breaks;
                 }   for (my $i=0;$i<=$#master_seq;$i++) {
                 $texversion .=  
                   &ssi_with_retries( $urlp, $ssi_retry_count, %form );      &Apache::lonenc::reset_enc();
                 if ( $urlp =~ /\.page$/ ) {  
                     ( $texversion, my $number_of_columns_page ) =  
                       &page_cleanup($texversion);      # Note due to document structure, not allowed to put \newpage
                     if ( $number_of_columns_page > $number_of_columns ) {      # prior to the first resource
                         $number_of_columns = $number_of_columns_page;  
       if (defined $page_breaks{$master_seq[$i]}) {
    if($i != 0) {
       $result.="\\newpage\n";
    }
       }
       $result .= &get_extra_vspaces($helper, $master_seq[$i]);
       my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
       $urlp=&Apache::lonnet::clutter($urlp);
       $form{'symb'}=$master_seq[$i];
   
       my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
   
       if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
       if ($i==0) {$prevassignment=$assignment;}
       my $texversion='';
       if ($urlp!~m|^/adm/|
    && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
    $resources_printed .= $urlp.':';
    &Apache::lonxml::remember_problem_counter();
    if ($flag_latex_header_remove eq 'NO') {
       $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                       unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                               (($i==0) &&
                                (($urlp=~/\.page$/) ||
                                 ($print_type eq 'map_problems_in_page') ||
                                 ($print_type eq 'map_resources_in_page')))) {
                           $flag_latex_header_remove = 'YES';
                     }                      }
                     $texversion =~ s/\\end{document}\d*/\\end{document}/;   }
                     $flag_page_in_sequence = 'YES';   $texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
                 }   if ($urlp=~/\.page$/) {
       ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                 if (   ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )      if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                     || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) )      $texversion =~ s/\\end{document}\d*/\\end{document}/;
                 {      $flag_page_in_sequence = 'YES';
    }
                     #  Don't permanently pervert the %form hash  
                     my %answerform = %form;   if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                     $answerform{'grade_target'}       = 'answer';     ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                     $answerform{'answer_output_mode'} = 'tex';      #  Don't permanently pervert the %form hash
                     $resources_printed .= $urlp . ':';      my %answerform = %form;
       $answerform{'grade_target'}='answer';
                     &Apache::lonxml::restore_problem_counter();      $answerform{'answer_output_mode'}='tex';
                     my $answer =      $resources_printed .= $urlp.':';
                       &ssi_with_retries( $urlp, $ssi_retry_count, %answerform );  
       &Apache::lonxml::restore_problem_counter();
                     if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {      my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
                         $texversion =~                      if ($urlp =~ /\.page$/) {
                           s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;                          $answer =~ s/\\end{document}(\d*)$//;
                     }                      }
                     else {      if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                         if ( $urlp =~                          if ($urlp =~ /\.page$/) {
                             /\.(problem|exam|quiz|assess|survey|form|library)$/                              my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                           )                              my $lastprob = pop(@probs);
                         {                              $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                             $texversion =                              $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                               &print_latex_header(                          } else {
                                 $helper->{'VARS'}->{'LATEX_TYPE'} );                              $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                             $texversion =~ s/\\begin{document}//;  
                             my $title =  
                               &Apache::lonnet::gettitle( $master_seq[$i] );  
                             $title =  
                               &Apache::lonxml::latex_special_symbols($title);  
                             my $body =  
                                 '\vskip 0 mm \noindent\textbf{'   
                               . $title  
                               . '}\vskip 0 mm ';  
                             $body .= &path_to_problem( $urlp, $LaTeXwidth );  
                             $body .= '\vskip 1 mm ' . $answer;  
                             $body = &encapsulate_minipage($body);  
                             $texversion .= $body;  
                         }                          }
                         else {      } else {
                             $texversion = '';   if ($urlp=~/$LONCAPA::assess_page_re/) {
                         }      $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                     }  #    $texversion =~ s/\\begin{document}//; # FIXME
       my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                 }      $title = &Apache::lonxml::latex_special_symbols($title);
                 if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {      my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                     my $annotation .= &annotate($urlp);      $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                     $texversion =~      $body   .='\vskip 1 mm '.$answer;
                       s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;      $body    = &encapsulate_minipage($body);
                 }      $texversion .= $body;
    } else {
                 if ( $flag_latex_header_remove ne 'NO' ) {      $texversion='';
                     $texversion = &latex_header_footer_remove($texversion);   }
                 }      }
                 else {  
                     $texversion =~ s/\\end{document}//;   }
                 }   if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                 if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {      my $annotation .= &annotate($urlp);
                     $texversion = &IndexCreation( $texversion, $urlp );      $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                 }   }
                 if (    ( $selectionmade == 4 )  
                     and ( $assignment ne $prevassignment ) )   if ($flag_latex_header_remove ne 'NO') {
                 {      $texversion = &latex_header_footer_remove($texversion);
                     my $name         = &get_name();   } else {
                     my $courseidinfo = &get_course();      $texversion =~ s/\\end{document}//;
                     $prevassignment = $assignment;   }
                     my $header_text = $parmhash{'print_header_format'};   if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                     $header_text = &format_page_header(      $texversion=&IndexCreation($texversion,$urlp);
                         $textwidth,    $header_text, $assignment,   }
                         $courseidinfo, $name   if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                     );      my $name = &get_name();
       my $courseidinfo = &get_course();
                     if ( $numberofcolumns eq '1' ) {                      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                         $result .=      $prevassignment=$assignment;
 '\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'      my $header_text = $parmhash{'print_header_format'};
                           . $header_text      $header_text    = &format_page_header($textwidth, $header_text,
                           . '}} \vskip 5 mm ';    $assignment, 
                     }    $courseidinfo, 
                     else {    $name);
                         $result .=      if ($numberofcolumns eq '1') {
 '\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'   $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
                           . $header_text      } else {
                           . '}} \vskip 5 mm ';   $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
                     }      }
                 }   }
                 $result .= $texversion;   $result .= $texversion;
                 $flag_latex_header_remove = 'YES';   $flag_latex_header_remove = 'YES';   
             }      } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
             elsif ( $urlp =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ ) {   $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                 $form{'latex_type'} = $helper->{'VARS'}->{'LATEX_TYPE'};   if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
                 if ( $urlp =~ /\/syllabus$/ ) { $urlp =~ s/\/res//; }   $resources_printed .= $urlp.':';
                 $resources_printed .= $urlp . ':';   my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                 my $texversion =   if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   &ssi_with_retries( $urlp, $ssi_retry_count, %form );      my $annotation = &annotate($urlp);
                 if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {      $texversion =~ s/(\\end{document)/$annotation$1/;
                     my $annotation = &annotate($urlp);   }
                     $texversion =~ s/(\\end{document)/$annotation$1/;  
                 }   if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
                 if ( $flag_latex_header_remove ne 'NO' ) {   } else {
                     $texversion = &latex_header_footer_remove($texversion);      $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                 }   }
                 else {   $result .= $texversion;
                     $texversion =~   $flag_latex_header_remove = 'YES'; 
 s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;      } elsif ($urlp=~ /\.pdf$/i) {
                 }   if ($i > 0) {
                 $result .= $texversion;      $result .= '\cleardoublepage';
                 $flag_latex_header_remove = 'YES';   }
             }                  my $texfrompdf = &include_pdf($urlp);
             elsif ( $urlp =~ /\.pdf$/i ) {                  if ($flag_latex_header_remove ne 'NO') {
                 if ( $i > 0 ) {                      $texfrompdf = &latex_header_footer_remove($texfrompdf);
                     $result .= '\cleardoublepage';                  }
                 }                  $result .= $texfrompdf;
                 $result .= &include_pdf($urlp);   if ($i != $#master_seq) {
                 if ( $i != $#master_seq ) {      if ($numberofcolumns eq '1') {
                     if ( $numberofcolumns eq '1' ) {   $result .= '\newpage';
                         $result .= '\newpage';      } else {
                     }   # the \\'s seem to be needed to let LaTeX know there's something
                     else {   # on the page since LaTeX seems to not like to clear an empty page.
    #
              # the \\'s seem to be needed to let LaTeX know there's something   $result .= '\\ \cleardoublepage';
              # on the page since LaTeX seems to not like to clear an empty page.      }
              #   }
                         $result .= '\\ \cleardoublepage';   $flag_latex_header_remove = 'YES';
                     }  
                 }      } else {
                 $flag_latex_header_remove = 'YES';   $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
    $master_seq[$i]);
             }   if ($flag_latex_header_remove ne 'NO') {
             else {      $texversion = &latex_header_footer_remove($texversion);
                 $texversion =   } else {
                   &unsupported( $urlp, $helper->{'VARS'}->{'LATEX_TYPE'},      $texversion =~ s/\\end{document}//;
                     $master_seq[$i] );   }
                 if ( $flag_latex_header_remove ne 'NO' ) {   $result .= $texversion;
                     $texversion = &latex_header_footer_remove($texversion);   $flag_latex_header_remove = 'YES';   
                 }      }
                 else {      if (&Apache::loncommon::connection_aborted($r)) { 
                     $texversion =~ s/\\end{document}//;   last; 
                 }      }
                 $result .= $texversion;   }
                 $flag_latex_header_remove = 'YES';   &Apache::lonxml::clear_problem_counter();
             }   if ($flag_page_in_sequence eq 'YES') {
             if ( &Apache::loncommon::connection_aborted($r) ) {      $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                 last;   }
             }   $result .= '\end{document}';
         }       } elsif (($print_type eq 'problems_for_students')           ||
         &Apache::lonxml::clear_problem_counter();        ($print_type eq 'problems_for_students_from_page') ||
         if ( $flag_page_in_sequence eq 'YES' ) {        ($print_type eq 'all_problems_students')           ||
             $result =~        ($print_type eq 'resources_for_students')          ||
               s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;        ($print_type eq 'incomplete_problems_selpeople_course') ||
         }        ($print_type eq 'map_incomplete_problems_people_seq')){
         $result .= '\end{document}';  
     }  
     elsif (       #-- prints assignments for whole class or for selected students  
         ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' )   my $type;
         || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq   if (($print_type eq 'problems_for_students')           ||
             'problems_for_students_from_page' )       ($print_type eq 'problems_for_students_from_page') ||
         || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' )       ($print_type eq 'all_problems_students')           ||
         || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' )       ($print_type eq 'incomplete_problems_selpeople_course') ||
       )       ($print_type eq 'map_incomplete_problems_people_seq')) {
     {       $selectionmade=5;
        $type='problems';
         #-- prints assignments for whole class or for selected students   } elsif ($print_type eq 'resources_for_students') {
         my $type;       $selectionmade=8;
         if (       $type='resources';
             ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students' )   }
             || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq   my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
                 'problems_for_students_from_page' )   #   The normal sort order is by section then by students within the
             || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students' )   #   section. If the helper var student_sort is 1, then the user has elected
           )   #   to override this and output the students by name.
         {   #    Each element of the students array is of the form:
             $selectionmade = 5;   #       username:domain:section:last, first:status
             $type          = 'problems';   #    
         }   #  Note that student sort is not compatible with printing 
         elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students' )   #  1 section per pdf...so that setting overrides.
         {   #   
             $selectionmade = 8;   if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
             $type          = 'resources';       ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
         }       @students = sort compare_names  @students;
         my @students = split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};   } else {
        @students = sort compare_sections @students; 
      #   The normal sort order is by section then by students within the   }
      #   section. If the helper var student_sort is 1, then the user has elected   &adjust_number_to_print($helper);
      #   to override this and output the students by name.  
      #    Each element of the students array is of the form:           if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
      #       username:domain:section:last, first:status       $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
      #       $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
      #  Note that student sort is not compatible with printing   }
      #  1 section per pdf...so that setting overrides.   # If we are splitting on section boundaries, we need 
      #   # to remember that in split_on_sections and 
         if (   ( $helper->{'VARS'}->{'student_sort'} eq 1 )   # print all of the students in the list.
             && ( $helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections" ) )   #
         {   my $split_on_sections = 0;
             @students = sort compare_names @students;   if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
         }       $split_on_sections = 1;
         &adjust_number_to_print($helper);       $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
    }
         if (   $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0'   my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
             || $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' )  
         {           my $map;
             $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students + 1;           if ($helper->{VARS}->{'symb'}) {
         }               ($map, my $id, my $resource) =
                    &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
         # 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.   #loop over students
         #  
         my $split_on_sections = 0;    my $flag_latex_header_remove = 'NO';
         if ( $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section' ) {   my %moreenv;
             $split_on_sections = 1;           $moreenv{'instructor_comments'}='hide';
             $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students + 1;   $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
         }   $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
         my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};   $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
    $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
         #loop over students   $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
         my $flag_latex_header_remove = 'NO';       ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
         my %moreenv;       $moreenv{'problem_split'}='yes';
         $moreenv{'instructor_comments'} = 'hide';   }
         $moreenv{'textwidth'} = &get_textwidth( $helper, $LaTeXwidth );   my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
         $moreenv{'print_discussions'} =   my $student_counter=-1;
           $helper->{'VARS'}->{'PRINT_DISCUSSIONS'};   my $i = 0;
         $moreenv{'print_annotations'} =   my $last_section = (split(/:/,$students[0]))[2];
           $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};   foreach my $person (@students) {
         $moreenv{'problem_split'}  = $parmhash{'problem_stream_switch'};               my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
         $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};       if (-e $duefile) {
    my $temp_file = Apache::File->new('>>'.$duefile);
         if (   ( $helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes' )   print $temp_file "1969\n";
             || ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) )       }
         {       $student_counter++;
             $moreenv{'problem_split'} = 'yes';       if ($split_on_sections) {
         }   my $this_section = (split(/:/,$person))[2];
         my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin(   if ($this_section ne $last_section) {
             $r, 'Print Status',       $i++;
             'Class Print Status',       $last_section = $this_section;
             $#students + 1,   }
             'inline', '75'       } else {
         );   $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
         my $student_counter = -1;       }
         my $i               = 0;       my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
         my $last_section    = ( split( /:/, $students[0] ) )[2];                                                         $person, undef, 1);
         foreach my $person (@students) {       my ($output,$fullname, $printed)=&print_resources($r,$helper,
        $person,$type,
             my $duefile =       \%moreenv,  $actual_seq,
 "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";       $flag_latex_header_remove,
             if ( -e $duefile ) {       $LaTeXwidth);
                 my $temp_file = Apache::File->new( '>>' . $duefile );       $resources_printed .= ":";
                 print $temp_file "1969\n";       $print_array[$i].=$output;
             }       $student_names[$i].=$person.':'.$fullname.'_END_';
             $student_counter++;  #     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
             if ($split_on_sections) {       &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
                 my $this_section = ( split( /:/, $person ) )[2];       $flag_latex_header_remove = 'YES';
                 if ( $this_section ne $last_section ) {       if (&Apache::loncommon::connection_aborted($r)) { last; }
                     $i++;   }
                     $last_section = $this_section;   &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                 }   $result .= $print_array[0].'  \end{document}';
             }       } elsif (($print_type eq 'problems_for_anon')      ||
             else {        ($print_type eq 'problems_for_anon_page') ||
                 $i = int(        ($print_type eq 'resources_for_anon')  ) { 
                     $student_counter / $helper->{'VARS'}{'NUMBER_TO_PRINT'} );   my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
             }   my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
             my ( $output, $fullname, $printed ) =   my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
               &print_resources( $r, $helper, $person, $type, \%moreenv,   my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
                 \@master_seq, $flag_latex_header_remove, $LaTeXwidth );   my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
             $resources_printed .= ":";   my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
             $print_array[$i]   .= $output;   my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
             $student_names[$i] .= $person . ':' . $fullname . '_END_';   my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
             &Apache::lonhtmlcommon::Increment_PrgWin( $r, \%prog_state,           my @lines = &Apache::grades::get_scantronformat_file();
                 &mt('last student') . ' ' . $fullname );   my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
             $flag_latex_header_remove = 'YES';   foreach my $line (@lines) {
             if ( &Apache::loncommon::connection_aborted($r) ) { last; }               chomp($line);
         }       my ($name,$type,$length,$bubbles_per_item) = 
         &Apache::lonhtmlcommon::Close_PrgWin( $r, \%prog_state );                   (split(/:/,$line))[0,2,4,17];
         $result .= $print_array[0] . '  \end{document}';       if ($name eq $code_option) {
     }   $code_length=$length;
     elsif (( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon' )   if ($type eq 'number') { $code_type = 'number'; }
         || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page' )                   chomp($bubbles_per_item); 
         || ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon' ) )                   if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
     {                       $bubbles_per_row = $bubbles_per_item; 
         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     = $helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};           my ($randomorder,$randompick,$map);
         my $old_name      = $helper->{'VARS'}->{'REUSE_OLD_CODES'};           if ($helper->{VARS}{'symb'}) {
         my $single_code   = $helper->{'VARS'}->{'SINGLE_CODE'};               ($map, my $id, my $resource) =
         my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};                   &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
                my $navmap = Apache::lonnavmaps::navmap->new();
         my $code_option = $helper->{'VARS'}->{'CODE_OPTION'};               if (defined($navmap)) {
         my @lines       = &Apache::grades::get_scantronformat_file();                   if ($map) {
         my ( $code_type, $code_length ) = ( 'letter', 6 );                       my $mapres = $navmap->getResourceByUrl($map);
         foreach my $line (@lines) {                       $randomorder = $mapres->randomorder();
             my ( $name, $type, $length ) = ( split( /:/, $line ) )[ 0, 2, 4 ];                       $randompick = $mapres->randompick();
             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'};
         my %moreenv = ( 'textwidth' => &get_textwidth( $helper, $LaTeXwidth ) );           $moreenv{'instructor_comments'}='hide';
         $moreenv{'problem_split'}       = $parmhash{'problem_stream_switch'};           $moreenv{'bubbles_per_row'} = $bubbles_per_row;
         $moreenv{'instructor_comments'} = 'hide';   my $seed=time+($$<<16)+($$);
         my $seed = time + ( $$ << 16 ) + ($$);   my @allcodes;
         my @allcodes;   if ($old_name) {
         if ($old_name) {       my %result=&Apache::lonnet::get('CODEs',
             my %result =       [$old_name,"type\0$old_name"],
               &Apache::lonnet::get( 'CODEs', [ $old_name, "type\0$old_name" ],       $cdom,$cnum);
                 $cdom, $cnum );       $code_type=$result{"type\0$old_name"};
             $code_type = $result{"type\0$old_name"};       @allcodes=split(',',$result{$old_name});
             @allcodes  = split( ',', $result{$old_name} );       $num_todo=scalar(@allcodes);
             $num_todo  = scalar(@allcodes);   } elsif ($selected_code) { # Selection value is always numeric.
         }       $num_todo = 1;
         elsif ($selected_code) {    # Selection value is always numeric.       @allcodes = ($selected_code);
             $num_todo = 1;   } elsif ($single_code) {
             @allcodes = ($selected_code);  
         }       $num_todo    = 1; # Unconditionally one code to do.
         elsif ($single_code) {       # If an alpha code have to convert to numbers so it can be
        # converted back to letters again :-)
             $num_todo = 1;          # Unconditionally one code to do.       #
                  # If an alpha code have to convert to numbers so it can be       if ($code_type ne 'number') {
                  # converted back to letters again :-)   $single_code = &letters_to_num($single_code);
                  #       }
             if ( $code_type ne 'number' ) {       @allcodes = ($single_code);
                 $single_code = &letters_to_num($single_code);   } else {
             }       my %allcodes;
             @allcodes = ($single_code);       srand($seed);
         }       for (my $i=0;$i<$num_todo;$i++) {
         else {   $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
             my %allcodes;      $code_type);
             srand($seed);       }
             for ( my $i = 0 ; $i < $num_todo ; $i++ ) {       if ($code_name) {
                 $moreenv{'CODE'} =   &Apache::lonnet::put('CODEs',
                   &get_CODE( \%allcodes, $i, $seed, $code_length, $code_type );        {
             }   $code_name =>join(',',keys(%allcodes)),
             if ($code_name) {   "type\0$code_name" => $code_type
                 &Apache::lonnet::put(        },
                     'CODEs',        $cdom,$cnum);
                     {       }
                         $code_name         => join( ',', keys(%allcodes) ),       @allcodes=keys(%allcodes);
                         "type\0$code_name" => $code_type   }
                     },   my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                     $cdom, $cnum   my ($type) = split(/_/,$print_type);
                 );   &adjust_number_to_print($helper);
             }   my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
             @allcodes = keys(%allcodes);   if ($number_per_page eq '0' || $number_per_page eq 'all'
         }       || $number_per_page eq 'section') {
         my @master_seq = split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};       $number_per_page=$num_todo > 0 ? $num_todo : 1;
         my ($type) = split( /_/, $helper->{'VARS'}->{'PRINT_TYPE'} );   }
         &adjust_number_to_print($helper);   my $flag_latex_header_remove = 'NO'; 
         my $number_per_page = $helper->{'VARS'}->{'NUMBER_TO_PRINT'};   my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
         if ( $number_per_page eq '0' || $number_per_page eq 'all' ) {   my $count=0;
             $number_per_page = $num_todo;   foreach my $code (sort(@allcodes)) {
         }       my $file_num=int($count/$number_per_page);
         my $flag_latex_header_remove = 'NO';       if ($code_type eq 'number') { 
         my %prog_state =   $moreenv{'CODE'}=$code;
           &Apache::lonhtmlcommon::Create_PrgWin( $r, 'Print Status',       } else {
             'Class Print Status',   $moreenv{'CODE'}=&num_to_letters($code);
             $num_todo, 'inline', '75' );       }
         my $count = 0;               my $actual_seq = \@master_seq;
         foreach my $code ( sort(@allcodes) ) {               if ($randomorder || $randompick) {
             my $file_num = int( $count / $number_per_page );                   $env{'form.CODE'} = $moreenv{'CODE'};
             if ( $code_type eq 'number' ) {                   $actual_seq = master_seq_to_person_seq($map, \@master_seq,
                 $moreenv{'CODE'} = $code;                                                          undef,
             }                                                          $moreenv{'CODE'}, 1);
             else {                   delete($env{'form.CODE'});
                 $moreenv{'CODE'} = &num_to_letters($code);               }
             }       my ($output,$fullname, $printed)=
             my ( $output, $fullname, $printed ) =   &print_resources($r,$helper,'anonymous',$type,\%moreenv,
               &print_resources( $r, $helper, 'anonymous', $type, \%moreenv,    $actual_seq,$flag_latex_header_remove,
                 \@master_seq, $flag_latex_header_remove, $LaTeXwidth );    $LaTeXwidth);
             $resources_printed .= ":";       $resources_printed .= ":";
             $print_array[$file_num] .= $output;       $print_array[$file_num].=$output;
             &Apache::lonhtmlcommon::Increment_PrgWin( $r, \%prog_state,       &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                 &mt('last assignment') . ' ' . $fullname );         &mt('last assignment').' '.$fullname);
             $flag_latex_header_remove = 'YES';       $flag_latex_header_remove = 'YES';
             $count++;       $count++;
             if ( &Apache::loncommon::connection_aborted($r) ) { last; }       if (&Apache::loncommon::connection_aborted($r)) { last; }
         }   }
         &Apache::lonhtmlcommon::Close_PrgWin( $r, \%prog_state );   &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
         $result .= $print_array[0] . '  \end{document}';   $result .= $print_array[0].'  \end{document}';
     }       } elsif ($print_type eq 'problems_from_directory') {      
     elsif ( $helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory' ) {      #prints selected problems from the subdirectory 
    $selectionmade = 6;
         #prints selected problems from the subdirectory          my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
         $selectionmade = 6;   @list_of_files=sort @list_of_files;
         my @list_of_files = split /\|\|\|/, $helper->{'VARS'}->{'FILES'};   my $flag_latex_header_remove = 'NO'; 
         @list_of_files = sort @list_of_files;   my $rndseed=time;
         my $flag_latex_header_remove = 'NO';   if ($helper->{'VARS'}->{'curseed'}) {
         my $rndseed                  = time;      $rndseed=$helper->{'VARS'}->{'curseed'};
         if ( $helper->{'VARS'}->{'curseed'} ) {   }
             $rndseed = $helper->{'VARS'}->{'curseed'};   for (my $i=0;$i<=$#list_of_files;$i++) {
         }  
         for ( my $i = 0 ; $i <= $#list_of_files ; $i++ ) {  
   
             &Apache::lonenc::reset_enc();  
   
             my $urlp = $list_of_files[$i];      &Apache::lonenc::reset_enc();
             $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;
    $urlp =~ s|^$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{'.
                                            &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
       $texversion.=&path_to_problem ($urlp,$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 $newurlp=&path_to_problem($urlp,$LaTeXwidth);
                 if ( $newurlp =~ /~/ ) {   $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
                     $newurlp =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;   if ($flag_latex_header_remove ne 'NO') {
                 }      $texversion = &latex_header_footer_remove($texversion);
                 $newurlp = &path_to_problem( $newurlp, $LaTeXwidth );   } else {
                 $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;      $texversion =~ s/\\end{document}//;
                 if ( $flag_latex_header_remove ne 'NO' ) {   }
                     $texversion = &latex_header_footer_remove($texversion);   if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                 }      $texversion=&IndexCreation($texversion,$urlp);
                 else {   }
                     $texversion =~ s/\\end{document}//;   if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                 }      $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                 if ( $helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes' ) {      
                     $texversion = &IndexCreation( $texversion, $urlp );   }
                 }   $result .= $texversion;
                 if ( $helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes' ) {      }
                     $texversion =~      $flag_latex_header_remove = 'YES';  
 s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;   }
    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
                 }   $result .= '\end{document}';      
                 $result .= $texversion;  
             }  
             $flag_latex_header_remove = 'YES';  
         }  
         if ( $helper->{VARS}->{'construction'} eq '1' ) {  
             $result =~ s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;  
         }  
         $result .= '\end{document}';  
     }      }
   
 #-------------------------------------------------------- corrections for the different page formats  #-------------------------------------------------------- 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(   $result = &page_format_transformation($papersize,
             $papersize,        $laystyle,$numberofcolumns,
             $laystyle,        $print_type,$result,
             $numberofcolumns,        $helper->{VARS}->{'assignment'},
             $helper->{'VARS'}->{'PRINT_TYPE'},        $helper->{'VARS'}->{'TABLE_CONTENTS'},
             $result,        $helper->{'VARS'}->{'TABLE_INDEX'},
             $helper->{VARS}->{'assignment'},        $selectionmade);
             $helper->{'VARS'}->{'TABLE_CONTENTS'},   $result = &latex_corrections($number_of_columns,$result,$selectionmade,
             $helper->{'VARS'}->{'TABLE_INDEX'},       $helper->{'VARS'}->{'ANSWER_TYPE'});
             $selectionmade   #if ($numberofcolumns == 1) {
         );   $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
         $result =   $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
           &latex_corrections( $number_of_columns, $result, $selectionmade,   $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
             $helper->{'VARS'}->{'ANSWER_TYPE'} );   $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
    #}
         #if ($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') {
    $URLback=$helper->{'VARS'}->{'filename'};
         #prints resource from the construction space  
         $URLback = '/' . $helper->{'VARS'}->{'filename'};  
         if ( $URLback =~ /([^?]+)/ ) {  
             $URLback = $1;  
             $URLback =~ s|^/~|/priv/|;  
         }  
     }      }
   
     #      #
     # Final adjustment of the font size:      # Final adjustment of the font size:
     #      #
   
     $result = set_font_size($result);      $result = set_font_size($result);
   
     #-- writing .tex file in prtspool      # Insert any babel headers required.
     my $temp_file;  
     my $identifier = &Apache::loncommon::get_cgi_id();  
     my $filename =  
 "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";  
     if ( !( $#print_array > 0 ) ) {  
         unless ( $temp_file = Apache::File->new( '>' . $filename ) ) {  
             $r->log_error("Couldn't open $filename for output $!");  
             return SERVER_ERROR;  
         }  
         print $temp_file $result;  
         my $begin = index( $result, '\begin{document}', 0 );  
         my $inc = substr( $result, 0, $begin + 16 );  
     }  
     else {  
         my $begin = index( $result, '\begin{document}', 0 );  
         my $inc = substr( $result, 0, $begin + 16 );  
         for ( my $i = 0 ; $i <= $#print_array ; $i++ ) {  
             if ( $i == 0 ) {  
                 $print_array[$i] = $result;  
             }  
             else {  
                 $print_array[$i] .= '\end{document}';  
                 $print_array[$i] =  
                   &latex_corrections( $number_of_columns, $print_array[$i],  
                     $selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'} );  
   
                 my $anobegin =  
                   index( $print_array[$i], '\setcounter{page}', 0 );  
                 substr( $print_array[$i], 0, $anobegin ) = '';  
                 $print_array[$i] = $inc . $print_array[$i];  
             }  
             my $temp_file;  
             my $newfilename = $filename;  
             my $num         = $i + 1;  
             $newfilename =~ s/\.tex$//;  
             $newfilename = sprintf( "%s_%03d.tex", $newfilename, $num );  
             unless ( $temp_file = Apache::File->new( '>' . $newfilename ) ) {  
                 $r->log_error("Couldn't open $newfilename for output $!");  
                 return SERVER_ERROR;  
             }  
             print $temp_file $print_array[$i];  
         }  
     }  
     my $student_names = '';  
     if ( $#print_array > 0 ) {  
         for ( my $i = 0 ; $i <= $#print_array ; $i++ ) {  
             $student_names .= $student_names[$i] . '_ENDPERSON_';  
         }  
     }  
     else {  
         if ( $#student_names > -1 ) {  
             $student_names = $student_names[0] . '_ENDPERSON_';  
         }  
         else {  
             my $fullname = &get_name( $env{'user.name'}, $env{'user.domain'} );  
             $student_names = join( ':',  
                 $env{'user.name'}, $env{'user.domain'},  
                 $env{'request.course.sec'}, $fullname )  
               . '_ENDPERSON_' . '_END_';  
         }  
     }  
   
     # logic for now is too complex to trace if this has been defined      $result       = &collect_languages($result);
     #  yet.  
     my $cnum = $env{ 'course.' . $env{'request.course.id'} . '.num' };  
     my $cdom = $env{ 'course.' . $env{'request.course.id'} . '.domain' };  
     &Apache::lonnet::appenv(  
         {  
             'cgi.' . $identifier . '.file'      => $filename,  
             'cgi.' . $identifier . '.layout'    => $laystyle,  
             'cgi.' . $identifier . '.numcol'    => $numberofcolumns,  
             'cgi.' . $identifier . '.paper'     => $papersize,  
             'cgi.' . $identifier . '.selection' => $selectionmade,  
             'cgi.'  
               . $identifier  
               . '.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},  
             'cgi.'  
               . $identifier  
               . '.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},  
             'cgi.' . $identifier . '.role'          => $perm{'pav'},  
             'cgi.' . $identifier . '.numberoffiles' => $#print_array,  
             'cgi.' . $identifier . '.studentnames'  => $student_names,  
             'cgi.' . $identifier . '.backref'       => $URLback,  
         }  
     );  
     &Apache::lonnet::appenv(  
         {  
             "cgi.$identifier.user"      => $env{'user.name'},  
             "cgi.$identifier.domain"    => $env{'user.domain'},  
             "cgi.$identifier.courseid"  => $cnum,  
             "cgi.$identifier.coursedom" => $cdom,  
             "cgi.$identifier.resources" => $resources_printed  
         }  
     );  
   
     my $end_page      = &Apache::loncommon::end_page();  
     my $continue_text = &mt('Continue');  
   
   #-- writing .tex file in prtspool 
       my $temp_file;
       my $identifier = &Apache::loncommon::get_cgi_id();
       my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
       if (!($#print_array>0)) { 
          unless ($temp_file = Apache::File->new('>'.$filename)) {
     $r->log_error("Couldn't open $filename for output $!");
     return SERVER_ERROR; 
          }
          print $temp_file $result;
          my $begin=index($result,'\begin{document}',0);
          my $inc=substr($result,0,$begin+16); 
       } else {
          my $begin=index($result,'\begin{document}',0);
          my $inc=substr($result,0,$begin+16);
          for (my $i=0;$i<=$#print_array;$i++) {
     if ($i==0) {
         $print_array[$i]=$result;
     } else {
         $print_array[$i].='\end{document}';
         $print_array[$i] = 
    &latex_corrections($number_of_columns,$print_array[$i],
      $selectionmade, 
      $helper->{'VARS'}->{'ANSWER_TYPE'});
       
         my $anobegin=index($print_array[$i],'\setcounter{page}',0);
         substr($print_array[$i],0,$anobegin)='';
         $print_array[$i]=$inc.$print_array[$i];
     }
     my $temp_file;
     my $newfilename=$filename;
     my $num=$i+1;
     $newfilename =~s/\.tex$//; 
     $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
     unless ($temp_file = Apache::File->new('>'.$newfilename)) {
         $r->log_error("Couldn't open $newfilename for output $!");
         return SERVER_ERROR; 
     }
     print $temp_file $print_array[$i];
          }
       }
       my $student_names='';
       if ($#print_array>0) {
           for (my $i=0;$i<=$#print_array;$i++) {
      $student_names.=$student_names[$i].'_ENDPERSON_';
    }
       } else {
    if ($#student_names>-1) {
      $student_names=$student_names[0].'_ENDPERSON_';
    } else {
              my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
      $student_names=join(':',$env{'user.name'},$env{'user.domain'},
       $env{'request.course.sec'},$fullname).
    '_ENDPERSON_'.'_END_';
    }
        }
   
        # logic for now is too complex to trace if this has been defined
        #  yet.
        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
        &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
    'cgi.'.$identifier.'.layout'  => $laystyle,
    'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
    'cgi.'.$identifier.'.paper'  => $papersize,
    'cgi.'.$identifier.'.selection' => $selectionmade,
    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
    'cgi.'.$identifier.'.role' => $perm{'pav'},
    'cgi.'.$identifier.'.numberoffiles' => $#print_array,
    'cgi.'.$identifier.'.studentnames' => $student_names,
    'cgi.'.$identifier.'.backref' => $URLback,});
       &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
    "cgi.$identifier.domain"  => $env{'user.domain'},
    "cgi.$identifier.courseid" => $cnum, 
    "cgi.$identifier.coursedom" => $cdom, 
    "cgi.$identifier.resources" => $resources_printed});
   
       my $end_page = &Apache::loncommon::end_page();
       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(          $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
                 '<br /><p class="LC_error">'                    &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
               . &mt('An unrecoverable network error occurred:')                    '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
               . '</p><p>'                    '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
               . &mt(                    &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
 'At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:'                    '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
               )                    &mt('We apologize for the inconvenience.').'</p>'.
               . '<br />'                    '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
               . $ssi_last_error_resource      } else {
               . '<br />'   $r->print(<<FINALEND);
               . $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 $newcode;
             }      } else {
             else {   return &num_to_letters($newcode);
                 return &num_to_letters($newcode);      }
             }   }
         }  
     }      }
 }  }
   
 sub print_resources {  sub print_resources {
     my ( $r, $helper, $person, $type, $moreenv, $master_seq,      my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
         $remove_latex_header, $LaTeXwidth )   $LaTeXwidth)=@_;
       = @_;      my $current_output = ''; 
     my $current_output = '';      my $printed = '';
     my $printed        = '';      my ($username,$userdomain,$usersection) = split /:/,$person;
     my ( $username, $userdomain, $usersection ) = split /:/, $person;      my $fullname = &get_name($username,$userdomain);
     my $fullname = &get_name( $username, $userdomain );      my $namepostfix = "\\\\"; # Both anon and not anon should get the same vspace.
     my $namepostfix =  
       "\\\\";    # Both anon and not anon should get the same vspace.  
     if ( $person =~ 'anon' ) {      #
         $namepostfix .= "Name: ";      # Figure out if we need to filter the output by
         $fullname = "CODE - " . $moreenv->{'CODE'};      # the incomplete problems for that person
       #
       my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
       my $print_incomplete = 0;
       if (($print_type eq 'map_incomplete_problems_people_seq')   ||
    ($print_type eq 'incomplete_problems_selpeople_course')) {
    $print_incomplete = 1;
       }
       if ($person eq 'anonymous') {
    $namepostfix .=&mt('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;
       my $actually_printed = 0; # Count of resources printed.
     #goes through all resources, checks if they are available for      #goes through all resources, checks if they are available for 
     #current student, and produces output      #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 3291  sub print_resources { Line 3616  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;      my $syllabus_first = 0;
     foreach my $curresline ( @{$master_seq} ) {      my $current_assignment = "";
         if ( defined $page_breaks{$curresline} ) {      my $assignment;
             if ( $i != 0 ) {      my $courseidinfo = &get_course();
                 $current_output .= "\\newpage\n";      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
             }      if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
         }  
         $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 !~   $current_output.= "\\newpage\n";
                     m/\.(problem|exam|quiz|assess|survey|form|library)$/ )      }
             )   }
           )   $current_output .= &get_extra_vspaces($helper, $curresline);
         {   $i++;
             my ( $map, $id, $res_url ) =   my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
               &Apache::lonnet::decode_symb($curresline);  
             if ( &Apache::lonnet::allowed( 'bre', $res_url ) ) {   # See if we need to emit a new header:
                 if (   $res_url !~ m|^ext/|  
                     && $res_url =~   if ( !($type eq 'problems' && 
 /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/         ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
                   )      if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
                 {   next;
                     $printed .= $curresline . ':';      }
                     &Apache::lonxml::remember_problem_counter();      $actually_printed++; # we're going to print one.
   
                     my $rendered =      if (&Apache::lonnet::allowed('bre',$res_url)) {
                       &get_student_view_with_retries( $curresline,   if ($res_url!~m|^ext/|
                         $ssi_retry_count, $username, $userdomain,      && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
                         $env{'request.course.id'},      $printed .= $curresline.':';
                         'tex', $moreenv );      &Apache::lonxml::remember_problem_counter();    
                     if (   ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' )  
                         || ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only' ) )      my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
                     {                      if ($res_url =~ /\.page$/) {
                           if ($remove_latex_header eq 'NO') {
         #   Use a copy of the hash so we don't pervert it on future loop passes.                              if (!($rendered =~ /\\begin\{document\}/)) {
                         my %answerenv = %{$moreenv};                                  $rendered = &print_latex_header().$rendered;
                         $answerenv{'answer_output_mode'} = 'tex';                              }
                         $answerenv{'latex_type'} =  
                           $helper->{'VARS'}->{'LATEX_TYPE'};  
   
                         &Apache::lonxml::restore_problem_counter();  
   
                         my $ansrendered =  
                           &Apache::loncommon::get_student_answers( $curresline,  
                             $username, $userdomain, $env{'request.course.id'},  
                             %answerenv );  
   
                         if ( $helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no' ) {  
                             $rendered =~  
                               s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;  
                         }                          }
                         else {  ;
                           if ($remove_latex_header eq 'YES') {
                             my $header =                              $rendered = &latex_header_footer_remove($rendered);
                               &print_latex_header(                          } else {
                                 $helper->{'VARS'}->{'LATEX_TYPE'} );                              $rendered =~ s/\\end{document}\d*//;
                             $header =~ s/\\begin{document}//;    #<<<<<  
                             my $title = &Apache::lonnet::gettitle($curresline);  
                             $title =  
                               &Apache::lonxml::latex_special_symbols($title);  
                             my $body =  
                                 '\vskip 0 mm \noindent\textbf{'   
                               . $title  
                               . '}\vskip 0 mm ';  
                             $body .= &path_to_problem( $res_url, $LaTeXwidth );  
                             $body .= '\vskip 1 mm ' . $ansrendered;  
                             $body     = &encapsulate_minipage($body);  
                             $rendered = $header . $body;  
                         }                          }
                     }                      }
                     if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {      if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                         my $url        = &Apache::lonnet::clutter($res_url);         ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                         my $annotation = &annotate($url);   #   Use a copy of the hash so we don't pervert it on future loop passes.
                         $rendered =~   my %answerenv = %{$moreenv};
                           s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;   $answerenv{'answer_output_mode'}='tex';
                     }  
                     my $junk;  
                     if ( $remove_latex_header eq 'YES' ) {   $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                         $rendered = &latex_header_footer_remove($rendered);  
                     }   &Apache::lonxml::restore_problem_counter();
                     else {  
                         $rendered =~ s/\\end{document}//;   my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
                     }  
                     $current_output .= $rendered;   if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                 }      $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                 elsif (   } else {
                     $res_url =~ /\/(smppg|syllabus|aboutme|bulletinboard)$/ )  
                 {      
                     if ( $i == 1 ) {      my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                         $syllabus_first = 1;                              unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                     }                                  $header =~ s/\\begin{document}//;     #<<<<<
                     $printed .= $curresline . ':';                              }
                     my $rendered =      my $title = &Apache::lonnet::gettitle($curresline);
                       &get_student_view_with_retries( $curresline,      $title = &Apache::lonxml::latex_special_symbols($title);
                         $ssi_retry_count, $username, $userdomain,      my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                         $env{'request.course.id'},      $body     .=&path_to_problem($res_url,$LaTeXwidth);
                         'tex', $moreenv );      $body     .='\vskip 1 mm '.$ansrendered;
                     if ( $helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes' ) {      $body     = &encapsulate_minipage($body);
                         my $url        = &Apache::lonnet::clutter($res_url);      $rendered = $header.$body;
                         my $annotation = &annotate($url);   }
                         $annotation =~ s/(\\end{document})/$annotation$1/;      }
                     }      if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                     if ( $remove_latex_header eq 'YES' ) {   my $url = &Apache::lonnet::clutter($res_url);
                         $rendered = &latex_header_footer_remove($rendered);   my $annotation = &annotate($url);
                     }   $rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                     else {      }
                         $rendered =~ s/\\end{document}//;      my $junk;
                     }      if ($remove_latex_header eq 'YES') {
                     $current_output .= $rendered   $rendered = &latex_header_footer_remove($rendered);
                       . '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';      } else {
                 }   $rendered =~ s/\\end{document}//;
                 elsif ( $res_url = ~/\.pdf$/ ) {      }
                     my $url      = &Apache::lonnet::clutter($res_url);      $current_output .= $rendered;    
                     my $rendered = &include_pdf($url);   } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
                     if ( $remove_latex_header ne 'NO' ) {      if ($i == 1) {
                         $rendered = &latex_header_footer_remove($rendered);   $syllabus_first = 1;
                     }      }
                     $current_output .= $rendered;      $printed .= $curresline.':';
                 }      my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
                 else {      if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                     my $rendered =   my $url = &Apache::lonnet::clutter($res_url);
                       &unsupported( $res_url, $helper->{'VARS'}->{'LATEX_TYPE'},   my $annotation = &annotate($url);
                         $curresline );   $annotation    =~ s/(\\end{document})/$annotation$1/;
                     if ( $remove_latex_header ne 'NO' ) {      }
                         $rendered = &latex_header_footer_remove($rendered);      if ($remove_latex_header eq 'YES') {
                     }   $rendered = &latex_header_footer_remove($rendered);
                     else {      } else {
                         $rendered =~ s/\\end{document}//;   $rendered =~ s/\\end{document}//;
                     }      }
                     $current_output .= $rendered;      $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);
             $remove_latex_header = 'YES';      my $rendered  = &include_pdf($url);
         }      if ($remove_latex_header ne 'NO') {
         if ( &Apache::loncommon::connection_aborted($r) ) { last; }   $rendered = &latex_header_footer_remove($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';
    }
    $assignment = &Apache::lonxml::latex_special_symbols(
       &Apache::lonnet::gettitle($map), 'header');
    if (($assignment ne $current_assignment) && ($assignment ne "")) {
       my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
     $assignment, $courseidinfo, 
     $fullname);
       my $header_start = ($columns_in_format == 1) ? '\lhead'
    : '\fancyhead[LO]';
       $header_line = $header_start.'{'.$header_line.'}';
       $current_output = $current_output . $header_line;
       $current_assignment = $assignment;
    }
   
    if (&Apache::loncommon::connection_aborted($r)) { last; }
     }      }
       # If we are printing incomplete it's possible we don't have
       # anything to print.  The print subsystem is not so good at handling
       # that so we're going to generate a stub that says there are no
       # incomplete resources for the person.
       #
   
     my $courseidinfo = &get_course();      if ($actually_printed == 0) {
     my $currentassignment =   $current_output  = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
       &Apache::lonxml::latex_special_symbols( $helper->{VARS}->{'assignment'},   if ($remove_latex_header eq "NO") {
         'header' );      $current_output = &print_latex_header() . $current_output;
     my $header_line =   } else {
       &format_page_header( $LaTeXwidth, $parmhash{'print_header_format'},      $current_output = &latex_header_footer_remove($current_output);
         $currentassignment, $courseidinfo, $fullname, $usersection );   }
     my $header_start =  
       ( $columns_in_format == 1 )  
       ? '\lhead'  
       : '\fancyhead[LO]';  
     $header_line = $header_start . '{' . $header_line . '}';  
     if ( $current_output =~ /\\documentclass/ && ( !$syllabus_first ) ) {  
         $current_output =~  
 s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;  
     }  
     elsif ($syllabus_first) {  
   
         $current_output =~ s/\\\\ Last updated:/Last updated:/;  
     }  
     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;  
     }      }
   
       if ($syllabus_first) {
           $current_output =~ s/\\\\ Last updated:/Last updated:/
       }
       my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
       my $header_line =
           &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
                               $currentassignment, $courseidinfo, $fullname);
       my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]';
       my $newheader = $header_start.'{'.$header_line.'}';
   
       if ($current_output=~/\\documentclass/) {
    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
       } else {
    my $blankpages = 
       '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
   
    $current_output = '\strut\vspace*{-6 mm}\\newline'.
       &copyright_line().' \newpage '.$blankpages.$end_of_student.
       '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
       $newheader.$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 printing_blocked {
       my ($r,$blocktext) = @_;
       my $title = &mt('Preparing Printout');
       &Apache::lonhtmlcommon::clear_breadcrumbs();
       &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
                                               text=> $title});
       my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
       &Apache::loncommon::content_type($r,'text/html');
       &Apache::loncommon::no_cache($r);
       $r->send_http_header;
       $r->print(&Apache::loncommon::start_page('Preparing Printout').
                 $breadcrumbs.
                 $blocktext.
                 &Apache::loncommon::end_page());
       return;
   }
   
 sub handler {  sub handler {
   
     my $r = shift;      my $r = shift;
   
       if ($env{'request.course.id'}) {
           my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
           my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
           my ($blocked,$blocktext) = 
               &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
           if ($blocked) {
               my $checkrole = "cm./$cdom/$cnum";
               if ($env{'request.course.sec'} ne '') {
                   $checkrole .= "/$env{'request.course.sec'}";
               }
               unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && 
                       ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
                   &printing_blocked($r,$blocktext);
                   return OK;
               }
           }
       }
       
     &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 =      my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
       "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";      if(-e $conversion_queuefile) {
     if ( -e $conversion_queuefile ) {   unlink $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'} =   $perm{'pav'}=&Apache::lonnet::allowed('pav',
           &Apache::lonnet::allowed( 'pav',    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
             $env{'request.course.id'} . '/' . $env{'request.course.sec'} );      }
     }      $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
     $perm{'pfo'} = &Apache::lonnet::allowed( 'pfo', $env{'request.course.id'} );      if (!$perm{'pfo'}) {
     if ( !$perm{'pfo'} ) {   $perm{'pfo'}=&Apache::lonnet::allowed('pfo',
         $perm{'pfo'} =    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
           &Apache::lonnet::allowed( 'pfo',      }
             $env{'request.course.id'} . '/' . $env{'request.course.sec'} );      $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
       if (!$perm{'vgr'}) {
           $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
                      $env{'request.course.id'}.'/'.$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 $navmap = Apache::lonnavmaps::navmap->new();
     if ( defined($navmap) ) {      if (defined($navmap)) {
         my $res = $navmap->getResourceByUrl($map);          my $res = $navmap->getResourceByUrl($map);
         if ($res) {          if ($res) {
             my $func =      my $func = 
               sub { return ( $_[0]->is_map() && $_[0]->randomorder ); };          sub { return ($_[0]->is_map() && $_[0]->randomorder); };
             my @matches = $navmap->retrieveResources( $res, $func, 1, 1, 1 );      my @matches = $navmap->retrieveResources($res, $func,1,1,1);
             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>';  
         }          }
     }      } else {
     else {          $message = "Retrieval of information about ordering of resources failed."; 
         $message =          return '<message type="warning">'.$message.'</message>';
           "Retrieval of information about ordering of resources failed.";  
         return '<message type="warning">' . $message . '</message>';  
     }      }
     return;      return;
 }  }
Line 3561  sub get_randomly_ordered_warning { Line 3920  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 {
         else {              &Apache::loncommon::content_type($r,'text/html');
             &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 {
     else {          &Apache::loncommon::content_type($r,'text/html');
         &Apache::loncommon::content_type( $r, 'text/html' );  
     }      }
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
Line 3586  sub printHelper { Line 3943  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 3604  sub printHelper { Line 3961  sub printHelper {
     $helper->declareVar("STUDENTS");      $helper->declareVar("STUDENTS");
     $helper->declareVar("EXTRASPACE");      $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"} ) ) {  
   
             $helper->{VARS}->{FINISHPAGE}       = $env{'form.pagebreaks'};  
             $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'};  
   
             }      #  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"})) {
       
       $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
       $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'};
   
       }
    }
   
     }      }
   
     # Detect whether we're coming from construction space      # Detect whether we're coming from construction space
     if (      if ($env{'form.postdata'}=~m{^/priv}) {
         $env{'form.postdata'} =~ /^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/ )          $helper->{VARS}->{'filename'} = $env{'form.postdata'};
     {  
         $helper->{VARS}->{'filename'}     = "~$1/$2";  
         $helper->{VARS}->{'construction'} = 1;          $helper->{VARS}->{'construction'} = 1;
     }      } else {
     else {          if ($env{'form.postdata'}) {
         if ( $env{'form.postdata'} ) {              $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
             $helper->{VARS}->{'symb'} =      if ( $helper->{VARS}->{'symb'} eq '') {
               &Apache::lonnet::symbread( $env{'form.postdata'} );   $helper->{VARS}->{'postdata'} = $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'} =              $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
               &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'} =          $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
           &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, $mapTitle ) =      my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
       &details_for_menu($helper);      if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
     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.
       my $res_printable = 1; # By default the current resource is printable.    
       my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
       my $res_printstartdate;
       my $res_printenddate;
       my $map_open = 0;
       my $map_close = 0xffffffff;
       my $course_open = 0;
       my $course_close = 0xffffffff;
   
     # 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 {
     else {   # From course space:
   
         # From course space:   if ($symb ne '') {
       ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
         if ( $symb ne '' ) {      $helper->{VARS}->{'postdata'} = 
             ( $map, $id, $url ) = &Apache::lonnet::decode_symb($symb);   &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
             $helper->{VARS}->{'postdata'} =      my $navmap = Apache::lonnavmaps::navmap->new();
               &Apache::lonenc::check_encrypt( &Apache::lonnet::clutter($url) );      my $res   = $navmap->getBySymb($symb);
         }      $res_printable  = $res->resprintable() || $userCanPrint; #printability in course context
         else {      ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
             $url          = $helper->{VARS}->{'postdata'};      ($course_open, $course_close) = &course_print_dates($res);
             $is_published = 1;                            # From resource space.      ($map_open, $map_close)       = &map_print_dates($res);
         }  
         $url = &Apache::lonnet::clutter($url);   } else {
         if ( !$resourceTitle )      # Resource space.
         {    # 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'} ) {  
         $helper->{VARS}->{'probstatus'} = $env{'form.problemstatus'};      if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
    $helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
     }      }
   
     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();      my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
Line 3745  sub printHelper { Line 4108  sub printHelper {
     my $printChoices = [];      my $printChoices = [];
     my $paramHash;      my $paramHash;
   
     if ($resourceTitle) {      # If there is a current resource and it is printable
         push @{$printChoices},      # Give that as a choice.
           [  
             "<b><i>$resourceTitle</i></b> ("      if ($resourceTitle && $res_printable) {
               . &mt('the resource you just saw on the screen') . ")",          push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
             'current_document', 'PAGESIZE'      } 
           ];  
     }  
   
     # Useful filter strings      # Useful filter strings
     my $isProblem =  
       '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';      my $isPrintable = ' && $res->resprintable()';
   
       my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
       $isProblem .= $isPrintable unless $userCanPrint;
     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;      $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
     my $isProblemOrMap =      my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
 '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';      $isProblemOrMap .= $isPrintable unless $userCanPrint;
     my $isNotMap = '!$res->is_sequence()';      my $isNotMap = '(!$res->is_sequence())';
       $isNotMap .= $isPrintable unless $userCanPrint;
     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;      $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
     my $isMap      = '$res->is_map()';      my $isMap = '$res->is_map()';
     my $symbFilter = '$res->shown_symb()';      $isMap .= $isPrintable unless $userCanPrint;
     my $urlValue   = '$res->link()';      my $symbFilter = '$res->shown_symb() ';
       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='"      "<option text='".&mt('Start new page[_1]before selected','<br />').
           . &mt('Start new page<br />before selected')      "' variable='FINISHPAGE' />".
           . "' variable='FINISHPAGE' />"      "<option text='".&mt('Extra space[_1]before selected','<br />').
           . "<option text='"      "' variable='EXTRASPACE' type='text' />" .
           . &mt('Extra space<br />before selected')      "<option " .
           . "' variable='EXTRASPACE' type='text' />"      "' variable='POSSIBLE_RESOURCES' type='hidden' />".
           . "<option "      "<option text='".&mt('Space units[_1]check for mm','<br />').
           . "' variable='POSSIBLE_RESOURCES' type='hidden' />"      "' variable='EXTRASPACE_UNITS' type='checkbox' />"
           . "<option text='"      ;
           . &mt('Space units<br />check for mm')      
           . "' variable='EXTRASPACE_UNITS' type='checkbox' />";  
   
     }      }
   
Line 3791  sub printHelper { Line 4156  sub printHelper {
   
     my $page_ispage;      my $page_ispage;
     my $page_title;      my $page_title;
     if ( !$helper->{VARS}->{'construction'} ) {      if (!$helper->{VARS}->{'construction'}) {
         my $varspostdata   = $helper->{VARS}->{'postdata'};   my $varspostdata = $helper->{VARS}->{'postdata'};
         my $varsassignment = $helper->{VARS}->{'assignment'};   my $varsassignment = $helper->{VARS}->{'assignment'};
         my $page_navmap    = Apache::lonnavmaps::navmap->new();   my $page_navmap         = Apache::lonnavmaps::navmap->new();
         if ( defined($page_navmap) ) {   if (defined($page_navmap)) {
             my @page_resources = $page_navmap->retrieveResources($url);      my @page_resources      = $page_navmap->retrieveResources($url);
             if ( defined( $page_resources[0] ) ) {      if(defined($page_resources[0])) {
                 $page_ispage = $page_resources[0]->is_page();   $page_ispage       = $page_resources[0]->is_page();
                 $page_title  = $page_resources[0]->title();   $page_title     = $page_resources[0]->title();
                 my $resourcesymb = $page_resources[0]->symb();   my $resourcesymb   = $page_resources[0]->symb();
                 my ( $pagemap, $pageid, $pageurl ) =   my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   &Apache::lonnet::decode_symb($symb);   if ($page_ispage) {
                 if ($page_ispage) {      push @{$printChoices}, 
                     push @{$printChoices},      [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                       [       'map_problems_in_page', 
                         &mt(       'CHOOSE_PROBLEMS_PAGE'];
                             'Selected [_1]Problems[_2] from page [_3]',      push @{$printChoices}, 
                             '<b>', '</b>', '<b><i>' . $page_title . '</i></b>'      [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                         ),       'map_resources_in_page', 
                         'map_problems_in_page',       'CHOOSE_RESOURCES_PAGE'];
                         'CHOOSE_PROBLEMS_PAGE'   }
                       ];          my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                     push @{$printChoices},   'Select Problem(s) to print',
                       [   "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                         &mt(   'RESOURCES',
                             'Selected [_1]Resources[_2] from page [_3]',   'PAGESIZE',
                             '<b>', '</b>', '<b><i>' . $page_title . '</i></b>'   $url,
                         ),   $isProblem, '',  $symbFilter,
                         'map_resources_in_page',   $start_new_option);
                         'CHOOSE_RESOURCES_PAGE'  
                       ];  
                 }        $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                 my $helperFragment = &generate_resource_chooser(      'Select Resource(s) to print',
                     'CHOOSE_PROBLEMS_PAGE',      'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                     'Select Problem(s) to print',      'RESOURCES',
 "multichoice='1' toponly='1' addstatus='1' closeallpages='1'",      'PAGESIZE',
                     'RESOURCES',      $url,
                     'PAGESIZE',      $isNotMap, '', $symbFilter,
                     $url,      $start_new_option);
                     $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  
                 );  
   
                 &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment );  
   
             }  
         }   &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
   
       }
    }
     }      }
   
     if (   ( $helper->{'VAR'}->{'construction'} ne '1' )      if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
         && $helper->{VARS}->{'postdata'}   $helper->{VARS}->{'postdata'} &&
         && $helper->{VARS}->{'assignment'} )   $helper->{VARS}->{'assignment'}) {
     {  
    # BZ 5209 - Print incomplete problems from sequence:
    # the exact form of this depends on whether or not we are privileged or a mere
    # plebe of s student:
   
    my $printSelector = 'map_incomplete_problems_seq';
    my $nextState     = 'CHOOSE_INCOMPLETE_SEQ';
    my $textSuffix    = '';
   
    if ($userCanPrint)  {
       $printSelector = 'map_incomplete_problems_people_seq';
       $nextState     = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
       $textSuffix    = ' for selected students';
       my $helperStates =
    &create_incomplete_folder_selstud_helper($helper, $map); 
       &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
    } else {
       if (&printable($map_open, $map_close)) {
    my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
       } else {
    # TODO: Figure out how to break the news...this folder is not printable.
       }
    }
   
    if ($userCanPrint || &printable($map_open, $map_close)) {
       push(@{$printChoices},
    [&mt('Selected  [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
         '<b>', '</b>',
         '<b><i>'. $sequenceTitle . '</b></i>'),
     $printSelector,
     $nextState]);
    }
         # Allow problems from sequence          # Allow problems from sequence
         push @{$printChoices},   if ($userCanPrint || &printable($map_open, $map_close)) {
           [      push @{$printChoices}, 
             &mt(      [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                 'Selected [_1]Problems[_2] from folder [_3]',       'map_problems', 
                 '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>'       'CHOOSE_PROBLEMS'];
             ),      # Allow all resources from sequence
             'map_problems',      push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
             'CHOOSE_PROBLEMS'      'map_problems_pages', 
           ];      'CHOOSE_PROBLEMS_HTML'];
       my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
         # Allow all resources from sequence      'Select Problem(s) to print',
         push @{$printChoices},      'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
           [      'RESOURCES',
             &mt(      'PAGESIZE',
                 'Selected [_1]Resources[_2] from folder [_3]',      $map,
                 '<b>', '</b>', '<b><i>' . $sequenceTitle . '</i></b>'      $isProblem, '',
             ),      $symbFilter,
             'map_problems_pages',      $start_new_option);
             'CHOOSE_PROBLEMS_HTML'      $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
           ];    'Select Resource(s) to print',
         my $helperFragment = &generate_resource_chooser(    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
             'CHOOSE_PROBLEMS',    'RESOURCES',
             'Select Problem(s) to print',    'PAGESIZE',
             'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',    $map,
             'RESOURCES',    $isNotMap, '',
             'PAGESIZE',    $symbFilter,
             $map,    $start_new_option);
             $isProblem,      
             '',      &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
             $symbFilter,   } else {
             $start_new_option      # TODO: Figure out how to tell them the folder is not printable.
         );   }
         $helperFragment .= &generate_resource_chooser(  
             'CHOOSE_PROBLEMS_HTML',  
             'Select Resource(s) to print',  
             'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',  
             'RESOURCES',  
             'PAGESIZE',  
             $map,  
             $isNotMap,  
             '',  
             $symbFilter,  
             $start_new_option  
         );  
   
         &Apache::lonxml::xmlparse( $r, 'helper', $helperFragment );  
     }      }
    # If the user has pfo (print for others) allow them to print all 
 # If the user has pfo (print for others) allow them to print all   # problems and resources  in the entire course, optionally for selected students
 # problems and resources  in the entire course, optionally for selected students   my $post_data = $helper->{VARS}->{'postdata'};
     my $post_data = $helper->{VARS}->{'postdata'};      
     if (      if ($perm{'pfo'} &&  !$is_published  &&
            $perm{'pfo'}          ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
         && !$is_published  
         && (   $post_data =~ /\/res\//   # BZ 5209 - incomplete problems from entire course:
             || $post_data =~ /\/(syllabus|smppg|aboutme|bulletinboard)$/ )  
       )   push(@{$printChoices},
     {       [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
         'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
         push @{$printChoices},   my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
           [  
             &mtn('Selected <b>Problems</b> from <b>entire course</b>'),   &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
             'all_problems', 'ALL_PROBLEMS'  
           ];   #  Selected problems/resources from entire course:
         push @{$printChoices},  
           [          push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
             &mtn('Selected <b>Resources</b> from <b>entire course</b>'),   push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
             '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 $suffixXml = <<ALL_PROBLEMS;
         push @{$printChoices},  
           [  
             &mtn(  
 'Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'  
             ),  
             'all_problems_students',  
             'ALL_PROBLEMS_STUDENTS'  
           ];  
         my $suffixXml = <<ALL_PROBLEMS;  
   <state name="STUDENTS1" title="Select People">    <state name="STUDENTS1" title="Select People">
       <message><b>Select sorting order of printout</b> </message>        <message><b>Select sorting order of printout</b> </message>
     <choices variable='student_sort'>      <choices variable='student_sort'>
Line 3949  sub printHelper { Line 4308  sub printHelper {
       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>        <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
   </state>    </state>
 ALL_PROBLEMS  ALL_PROBLEMS
         &Apache::lonxml::xmlparse(           &Apache::lonxml::xmlparse($r, 'helper', 
             $r, 'helper',     &generate_resource_chooser('ALL_PROBLEMS',
             &generate_resource_chooser(        'Select Problem(s) to print',
                 'ALL_PROBLEMS',        'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                 'SelectProblem(s) to print',        'RESOURCES',
 'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',        'PAGESIZE',
                 'RESOURCES',        '',
                 'PAGESIZE',        $isProblemOrMap, $isNotMap,
                 '',        $symbFilter,
                 $isProblemOrMap,        $start_new_option) .
                 $isNotMap,     &generate_resource_chooser('ALL_RESOURCES',
                 $symbFilter,        'Select Resource(s) to print',
                 $start_new_option        " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
               )        'RESOURCES',
               . &generate_resource_chooser(        'PAGESIZE',
                 'ALL_RESOURCES',        '',
                 'Select Resource(s) to print',        $isNotMap,'',$symbFilter,
 " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",        $start_new_option) .
                 'RESOURCES',     &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                 'PAGESIZE',        'Select Problem(s) to print',
                 '',        'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                 $isNotMap,        'RESOURCES',
                 '',        'STUDENTS1',
                 $symbFilter,        '',
                 $start_new_option        $isProblemOrMap,'' , $symbFilter,
               )        $start_new_option) .
               . &generate_resource_chooser(       $suffixXml
                 'ALL_PROBLEMS_STUDENTS',     );
                 'Select Problem(s) to print',  
 'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',   if ($helper->{VARS}->{'assignment'}) {
                 'RESOURCES',  
                 'STUDENTS1',      # If we were looking at a page, allow a selection of problems from the page
                 '',      # either for selected students or for coded assignments.
                 $isProblemOrMap,  
                 '',      if ($page_ispage) {
                 $symbFilter,   push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                 $start_new_option      '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
               )   'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
               . $suffixXml   push @{$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'];
         if ( $helper->{VARS}->{'assignment'} ) {      }
       push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
      # If we were looking at a page, allow a selection of problems from the page   '<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
      # either for selected students or for coded assignments.      'problems_for_students', 'CHOOSE_STUDENTS'];
       push @{$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 ($page_ispage) {   my $randomly_ordered_warning = 
                 push @{$printChoices},              &get_randomly_ordered_warning($helper, $map);
                   [  
                     &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'  
               ];  
         }  
   
         my $randomly_ordered_warning =   # resource_selector will hold a few states that:
           &get_randomly_ordered_warning( $helper, $map );   #   - Allow resources to be selected for printing.
    #   - Determine pagination between assignments.
    #   - Determine how many assignments should be bundled into a single PDF.
           # TODO:
    #    Probably good to do things like separate this up into several vars, each
    #    with one state, and use REGEXPs at inclusion time to set state names
    #    and next states for better mix and match capability
    #
    my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
     'Select resources to print',
     'multichoice="1" addstatus="1" closeallpages="1"',
     'RESOURCES', 
     'PRINT_FORMATTING',
     $map,
     $isProblem, '', $symbFilter,
     $start_new_option);
    $resource_selector .=  &generate_format_selector($helper,
                                                            'How should results be printed?',
                                                            'PRINT_FORMATTING').
                                  &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.
   
    # resource_selector will hold a few states that:  
    #   - Allow resources to be selected for printing.  
    #   - Determine pagination between assignments.  
    #   - Determine how many assignments should be bundled into a single PDF.  
    # TODO:  
    #    Probably good to do things like separate this up into several vars, each  
    #    with one state, and use REGEXPs at inclusion time to set state names  
    #    and next states for better mix and match capability  
    #  
         my $resource_selector = &generate_resource_chooser(  
             'SELECT_PROBLEMS',  
             'Select resources to print',  
             'multichoice="1" addstatus="1" closeallpages="1"',  
             'RESOURCES',  
             'PRINT_FORMATTING',  
             $map,  
             $isProblem,  
             '',  
             $symbFilter,  
             $start_new_option  
         );  
         $resource_selector .= <<RESOURCE_SELECTOR;  
     <state name="PRINT_FORMATTING" title="How should results be printed?">  
     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>  
     <choices variable="EMPTY_PAGES">  
       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>  
       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>  
       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>  
       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>  
     </choices>  
     <nextstate>PAGESIZE</nextstate>  
     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>  
     <choices variable="SPLIT_PDFS">  
        <choice computer="all">All assignments in a single PDF file</choice>  
        <choice computer="sections">Each PDF contains exactly one section</choice>  
        <choice computer="oneper">Each PDF contains exactly one assignment</choice>  
        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">  
             Specify the number of assignments per PDF:</choice>  
     </choices>  
     </state>  
 RESOURCE_SELECTOR  
         $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(          &Apache::lonxml::xmlparse($r, 'helper',
             $r, 'helper',    &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
             &generate_student_chooser(      'student_sort',
                 'CHOOSE_TGT_STUDENTS_PAGE', 'student_sort',      'STUDENTS',
                 'STUDENTS',                 'CHOOSE_STUDENTS_PAGE'      'CHOOSE_STUDENTS_PAGE'));
             )   &Apache::lonxml::xmlparse($r, 'helper', 
         );    &generate_student_chooser('CHOOSE_STUDENTS',
         &Apache::lonxml::xmlparse(      'student_sort',
             $r, 'helper',      'STUDENTS',
             &generate_student_chooser(      'SELECT_PROBLEMS'));
                 'CHOOSE_STUDENTS', 'student_sort',   &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
                 'STUDENTS',        'SELECT_PROBLEMS'  
             )   my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
         );   my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
         &Apache::lonxml::xmlparse( $r, 'helper', $resource_selector );          my @names=&Apache::lonnet::getkeys('CODEs',$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 $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 %code_values;
         my %codes_to_print;   my %codes_to_print;
         foreach my $key (@names) {   foreach my $key (@names) {
             %code_values = &Apache::grades::get_codes( $key, $cdom, $cnum );      %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
             foreach my $key ( keys(%code_values) ) {      foreach my $key (keys(%code_values)) {
                 $codes_to_print{$key} = 1;   $codes_to_print{$key} = 1;
             }      }
         }   }
   
         my $code_selection;   my $code_selection;
         foreach   foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
           my $code ( sort { uc($a) cmp uc($b) } ( keys(%codes_to_print) ) )      my $choice  = $code;
         {      if ($code =~ /^[A-Z]+$/) { # Alpha code
             my $choice = $code;   $choice = &letters_to_num($code);
             if ( $code =~ /^[A-Z]+$/ ) {    # Alpha code      }
                 $choice = &letters_to_num($code);      push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
             }   }
             push( @{ $helper->{DATA}{ALL_CODE_CHOICES} }, [ $code, $choice ] );   if (%codes_to_print) {
         }      $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 4167  RESOURCE_SELECTOR Line 4446  RESOURCE_SELECTOR
                   </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>';
    }
    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);
   
         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>';  
         }  
         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'  
               ];  
         }  
   
         $resource_selector = <<RESOURCE_SELECTOR;   if ($helper->{VARS}->{'assignment'}) {
   
       # Assignment printing:
   
       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;
     <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>
Line 4255  RESOURCE_SELECTOR Line 4512  RESOURCE_SELECTOR
       $start_new_option        $start_new_option
       </resource>        </resource>
     </state>      </state>
   
     <state name="PRINT_FORMATTING" title="Format of the print job">  
     <nextstate>NUMBER_PER_PDF</nextstate>  
     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>  
     <choices variable="EMPTY_PAGES">  
       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>  
       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>  
       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>  
       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>  
     </choices>  
     <nextstate>PAGESIZE</nextstate>  
     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>  
     <choices variable="SPLIT_PDFS">  
        <choice computer="all">All assignments in a single PDF file</choice>  
        <choice computer="sections">Each PDF contains exactly one section</choice>  
        <choice computer="oneper">Each PDF contains exactly one assignment</choice>  
        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">  
            Specify the number of assignments per PDF:</choice>  
     </choices>  
     </state>  
 RESOURCE_SELECTOR  RESOURCE_SELECTOR
   
         &Apache::lonxml::xmlparse( $r, 'helper', <<CHOOSE_STUDENTS1);          $resource_selector .= &generate_format_selector($helper,
                                                           'Format of the print job',
                                                           'PRINT_FORMATTING');
    &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 4290  RESOURCE_SELECTOR Line 4530  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>
     <message><br /><hr /> <br /></message>      <message><br /><hr /> <br /></message>
     <message><h3>Generate new CODEd Assignments</h3></message>      <message><h3>Generate new CODEd Assignments</h3></message>
     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></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">      <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
        <validator>         <validator>
  if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&   if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
     !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
Line 4305  CHOOSE_STUDENTS1 Line 4545  CHOOSE_STUDENTS1
     !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
     return "You need to specify the number of assignments to print";      return "You need to specify the number of assignments to print";
  }   }
           if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
               return 'Specifying number of codes to print and a specific code is not compatible';
           }
  return undef;   return undef;
        </validator>         </validator>
     </string>      </string>
Line 4313  CHOOSE_STUDENTS1 Line 4557  CHOOSE_STUDENTS1
     <message></td><td></message>      <message></td><td></message>
     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />      <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
     <message></td></tr><tr><td></message>      <message></td></tr><tr><td></message>
     <message><b>Bubble sheet type:</b></message>      <message><b>Bubblesheet type:</b></message>
     <message></td><td></message>      <message></td><td></message>
     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">      <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
     $codechoice      $codechoice
Line 4328  CHOOSE_STUDENTS1 Line 4572  CHOOSE_STUDENTS1
       !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {        !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
       return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},        return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
       \$helper->{'VARS'}{'CODE_OPTION'});        \$helper->{'VARS'}{'CODE_OPTION'});
     } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
         return 'Specifying a code name is incompatible specifying number of codes.';
    } else {     } else {
        return undef; # Other forces control us.         return undef; # Other forces control us.
    }     }
Line 4349  CHOOSE_ANON2 Line 4595  CHOOSE_ANON2
     }      }
   
     # FIXME: That RE should come from a library somewhere.      # FIXME: That RE should come from a library somewhere.
     if (      if (($perm{'pav'} 
         (   && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                $perm{'pav'}    && (defined($helper->{'VARS'}->{'construction'})
             && $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}      ||
             . '/res/'      (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
             && (       && 
                 defined( $helper->{'VARS'}->{'construction'} )       $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
                 || (   &Apache::lonnet::allowed( 'bre', $subdir ) eq 'F'      )) 
                     && $helper->{VARS}->{'postdata'} =~   && $helper->{VARS}->{'assignment'} eq ""
 /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/   ) {
                 )   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'];
         )  
         && $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 4386  CHOOSE_ANON2 Line 4614  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 4396  CHOOSE_FROM_SUBDIR Line 4624  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 @$printChoices,   push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
           [        'select_sequences', 'CHOOSE_SEQUENCE'];
             &mtn(   my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
 "Selected <b>Resources</b> from <b>selected folder</b> in course"   #Escape apostrophes and backslashes for Perl
             ),   $escapedSequenceName =~ s/\\/\\\\/g;
             'select_sequences',   $escapedSequenceName =~ s/'/\\'/g;
             'CHOOSE_SEQUENCE'   &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_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">
       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>        <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
       <filterfunc>return \$res->is_sequence;</filterfunc>        <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
       <valuefunc>return $urlValue;</valuefunc>        <valuefunc>return $urlValue;</valuefunc>
       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);        <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
  </choicefunc>   </choicefunc>
Line 4438  CHOOSE_FROM_SUBDIR Line 4659  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:");
       if (!$res_printable) {
           my $now = time;
           my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate);
           my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate);
           my $noprintmsg;
           if (($res_printenddate) && ($res_printenddate < $now)) {
                   $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])',
                                     $shownprintend);
           } else {
               if (($res_printstartdate) && ($res_printstartdate > $now)) {
                   if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) {
                       $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]',
                                     $shownprintstart,$shownprintend);
                   } elsif (!$res_printenddate) {
                       $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]',
                                         $shownprintstart);
                   } else {
                       $noprintmsg = &mt('Printing for current resource is unavailable');
                   }
               }
           }
   
           if ($noprintmsg) {
               $paramHash = Apache::lonhelper::getParamHash();
               $paramHash->{MESSAGE_TEXT} =
                   '<p class="LC_info">'.$noprintmsg.'</p>';
               Apache::lonhelper::message->new();
           }
       }
       $paramHash = Apache::lonhelper::getParamHash();
     $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 (      if (($perm{'pav'} and $perm{'vgr'}) or 
         (   ($helper->{VARS}->{'construction'} eq '1')) {
                 $perm{'pav'}   &addMessage('<br />'
             and &Apache::lonnet::allowed( 'vgr', $env{'request.course.id'} )                     .'<h3>'.&mt('Print Options').'</h3>'
         )                     .&Apache::lonhtmlcommon::start_pick_box()
         or ( $helper->{VARS}->{'construction'} eq '1' )                     .&Apache::lonhtmlcommon::row_title(
       )                         '<label for="ANSWER_TYPE_forminput">'
     {                        .&mt('Print Answers')
         &addMessage(                        .'</label>'
                 '<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( &Apache::lonhtmlcommon::row_closure() );   &addMessage(&Apache::lonhtmlcommon::row_closure());
         $startedTable = 1;   $startedTable = 1;
   
         #  #
         #  Select font size.  #  Select font size.
         #  #
   
         $helper->declareVar('fontsize');              $helper->declareVar('fontsize');
         &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Font Size') ) );              &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
         my $xmlfrag = << "FONT_SELECTION";              my $xmlfrag = << "FONT_SELECTION";
   
                       
             <dropdown variable='fontsize' multichoice='0', allowempty='0'>              <dropdown variable='fontsize' multichoice='0', allowempty='0'>
Line 4508  CHOOSE_FROM_ANY_SEQUENCE Line 4752  CHOOSE_FROM_ANY_SEQUENCE
             <choice computer='Huge'>Largest possible size</choice>              <choice computer='Huge'>Largest possible size</choice>
             </dropdown>              </dropdown>
 FONT_SELECTION  FONT_SELECTION
         &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag );              &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
         &addMessage( &Apache::lonhtmlcommon::row_closure(1) );              &addMessage(&Apache::lonhtmlcommon::row_closure(1));
     }      }
   
     if ( $perm{'pav'} ) {      if ($perm{'pav'}) {
         if ( !$startedTable ) {   if (!$startedTable) {
             addMessage( "<hr width='33%' /><table><tr><td align='right'>"      addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   . '<label for="LATEX_TYPE_forminput">'                         '<label for="LATEX_TYPE_forminput">'.
                   . &mt('LaTeX mode')                         &mt('LaTeX mode').
                   . "</label>: </td><td>" );                         "</label>: </td><td>");
             $startedTable = 1;      $startedTable = 1;
         }   } else {
         else {      &addMessage(&Apache::lonhtmlcommon::row_title(
             &addMessage(                             '<label for="LATEX_TYPE_forminput">'
                 &Apache::lonhtmlcommon::row_title(                             .&mt('LaTeX mode')
                         '<label for="LATEX_TYPE_forminput">'                             .'</label>'
                       . &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} = [
         else {       ['LaTeX batchmode', 'batchmode'],
             $paramHash->{CHOICES} = [       ['standard LaTeX mode', 'standard'] ];
                 [ 'LaTeX batchmode',     'batchmode' ],   }
                 [ 'standard LaTeX mode', 'standard' ]  
             ];  
         }  
         Apache::lonhelper::dropdown->new();          Apache::lonhelper::dropdown->new();
    
         &addMessage(   &addMessage(&Apache::lonhtmlcommon::row_closure()
             &Apache::lonhtmlcommon::row_closure()                     .&Apache::lonhtmlcommon::row_title(
               . &Apache::lonhtmlcommon::row_title(                          '<label for="TABLE_CONTENTS_forminput">'
                     '<label for="TABLE_CONTENTS_forminput">'                         .&mt('Print Table of Contents')
                   . &mt('Print Table of Contents')                         .'</label>'
                   . '</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} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];          $paramHash->{CHOICES} = [
                                      ['No', 'no'],
                                      ['Yes', 'yes'] ];
         Apache::lonhelper::dropdown->new();          Apache::lonhelper::dropdown->new();
         &addMessage( &Apache::lonhtmlcommon::row_closure() );   &addMessage(&Apache::lonhtmlcommon::row_closure());
           
         if ( not $helper->{VARS}->{'construction'} ) {   if (not $helper->{VARS}->{'construction'}) {
             &addMessage(      &addMessage(&Apache::lonhtmlcommon::row_title(
                 &Apache::lonhtmlcommon::row_title(                              '<label for="TABLE_INDEX_forminput">'
                         '<label for="TABLE_INDEX_forminput">'                             .&mt('Print Index')
                       . &mt('Print Index')                             .'</label>'
                       . '</label>'                          )
                 )  
             );              );
             $paramHash = Apache::lonhelper::getParamHash();      $paramHash = Apache::lonhelper::getParamHash();
             $paramHash->{'variable'} = 'TABLE_INDEX';      $paramHash->{'variable'} = 'TABLE_INDEX';   
             $helper->declareVar('TABLE_INDEX');      $helper->declareVar('TABLE_INDEX');         
             $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];      $paramHash->{CHOICES} = [
             Apache::lonhelper::dropdown->new();       ['No', 'no'],
             &addMessage( &Apache::lonhtmlcommon::row_closure() );       ['Yes', 'yes'] ];
             &addMessage(      Apache::lonhelper::dropdown->new();
                 &Apache::lonhtmlcommon::row_title(              &addMessage(&Apache::lonhtmlcommon::row_closure());
                         '<label for="PRINT_DISCUSSIONS_forminput">'              &addMessage(&Apache::lonhtmlcommon::row_title(
                       . &mt('Print Discussions')                              '<label for="PRINT_DISCUSSIONS_forminput">'
                       . '</label>'                             .&mt('Print Discussions')
                 )                             .'</label>'
                           )
             );              );
             $paramHash = Apache::lonhelper::getParamHash();      $paramHash = Apache::lonhelper::getParamHash();
             $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';      $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
             $helper->declareVar('PRINT_DISCUSSIONS');      $helper->declareVar('PRINT_DISCUSSIONS');         
             $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];      $paramHash->{CHOICES} = [
             Apache::lonhelper::dropdown->new();       ['No', 'no'],
             &addMessage( &Apache::lonhtmlcommon::row_closure() );       ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
             # Prompt for printing annotations too.              &addMessage(&Apache::lonhtmlcommon::row_closure());
   
             &addMessage(      # Prompt for printing annotations too.
                 &Apache::lonhtmlcommon::row_title(  
                         '<label for="PRINT_ANNOTATIONS_forminput">'      &addMessage(&Apache::lonhtmlcommon::row_title(
                       . &mt('Print Annotations')                              '<label for="PRINT_ANNOTATIONS_forminput">'
                       . '</label>'                             .&mt('Print Annotations')
                 )                             .'</label>'
                           )
             );              );
             $paramHash = Apache::lonhelper::getParamHash();      $paramHash = Apache::lonhelper::getParamHash();
             $paramHash->{'variable'} = "PRINT_ANNOTATIONS";      $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
             $helper->declareVar("PRINT_ANNOTATIONS");      $helper->declareVar("PRINT_ANNOTATIONS");
             $paramHash->{CHOICES} = [ [ 'No', 'no' ], [ 'Yes', 'yes' ] ];      $paramHash->{CHOICES} = [
             Apache::lonhelper::dropdown->new();       ['No', 'no'],
             &addMessage( &Apache::lonhtmlcommon::row_closure() );       ['Yes', 'yes']];
       Apache::lonhelper::dropdown->new();
             &addMessage( &Apache::lonhtmlcommon::row_title( &mt('Foils') ) );              &addMessage(&Apache::lonhtmlcommon::row_closure());
             $paramHash                  = Apache::lonhelper::getParamHash();  
             $paramHash->{'multichoice'} = "true";              &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
             $paramHash->{'allowempty'}  = "true";      $paramHash = Apache::lonhelper::getParamHash();
             $paramHash->{'variable'}    = "showallfoils";      $paramHash->{'multichoice'} = "true";
             $paramHash->{'CHOICES'} = [ [ &mt('Show All Foils'), "1" ] ];      $paramHash->{'allowempty'}  = "true";
             Apache::lonhelper::choices->new();      $paramHash->{'variable'}   = "showallfoils";
             &addMessage( &Apache::lonhtmlcommon::row_closure(1) );      $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 .=      my $xmlfrag .= '<message>'
               '<message>'              .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
               . &Apache::lonhtmlcommon::row_title(                                                .$randseedtext
                 '<label for="curseed_forminput">' . $randseedtext . '</label>' )                                                .'</label>'
               . '</message>               )
               .'</message>
             <string variable="curseed" size="15" maxlength="15">              <string variable="curseed" size="15" maxlength="15">
                 <defaultvalue>                  <defaultvalue>
                    return ' . $helper->{VARS}->{'curseed'} . ';                     return '.$helper->{VARS}->{'curseed'}.';
                 </defaultvalue>'                  </defaultvalue>'
               . '</string>'              .'</string>'
               . '<message>'              .'<message>'
               . &Apache::lonhtmlcommon::row_closure()              .&Apache::lonhtmlcommon::row_closure()
               . &Apache::lonhtmlcommon::row_title(              .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                 '<label for="style_file">' . $stylefiletext . '</label>' )                                                .$stylefiletext
               . '</message>                                                .'</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;'               </string><message>&nbsp;'
               . qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|  .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
               . $selectfiletext . '</a>'  .$selectfiletext.'</a>'
               . &Apache::lonhtmlcommon::row_closure()              .&Apache::lonhtmlcommon::row_closure()
               . &Apache::lonhtmlcommon::row_title( &mt('Show All Foils') )              .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
               . '</message>              .'</message>
      <choices allowempty="1" multichoice="true" variable="showallfoils">       <choices allowempty="1" multichoice="true" variable="showallfoils">
                 <choice computer="1">&nbsp;</choice>                  <choice computer="1">&nbsp;</choice>
              </choices>'               </choices>'
               . '<message>'      .'<message>'
               . &Apache::lonhtmlcommon::row_closure()              .&Apache::lonhtmlcommon::row_closure()
               . '</message>';              .'</message>';
             &Apache::lonxml::xmlparse( $r, 'helper', $xmlfrag );              &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
   
             &addMessage(  
                 &Apache::lonhtmlcommon::row_title( &mt('Problem Type') ) );              &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
       #
             #      # Initial value from construction space:
             # Initial value from construction space:      #
             #      if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
             if ( !$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'} )   $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
             {      }
                 $helper->{VARS}->{'probstatus'} =      $xmlfrag = << "PROBTYPE";
                   $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 4676  FONT_SELECTION Line 4919  FONT_SELECTION
                    ,choice computer="anonsurvey"Anonymous 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(&Apache::lonhtmlcommon::row_closure(1));
   
   
   
         }          }
     }      }
   
   
   
   
     if ($startedTable) {      if ($startedTable) {
         &addMessage( &Apache::lonhtmlcommon::end_pick_box() );          &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() );      my $footer;
     if ( $helper->{STATE} eq 'START' ) {      if ($helper->{STATE} eq 'START') {
         &recently_generated($r);          my $prtspool=$r->dir_config('lonPrtDir'); 
    $footer = &recently_generated($prtspool);
     }      }
       $r->print($helper->display($footer));
     &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 4746  use Apache::lonlocal; Line 4999  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 =  my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
   ( "letter [8 1/2x11 in]", "legal [8 1/2x14 in]", "a4 [210x297 mm]" );   "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');
     my $pdfFormLabel    = &mt('PDF-Formfields');      
     my $with            = &mt('with Formfields');  
     my $without         = &mt('without Formfields');      $result.='<h3>'.&mt('Layout Options').'</h3>'
               .&Apache::loncommon::start_data_table()
     $result .= '<h3>'              .&Apache::loncommon::start_data_table_header_row()
       . &mt('Layout Options') . '</h3>'              .'<th>'.$PageLayout.'</th>'
       . &Apache::loncommon::start_data_table()              .'<th>'.$NumberOfColumns.'</th>'
       . &Apache::loncommon::start_data_table_header_row() . '<th>'              .'<th>'.$PaperType.'</th>'
       . $PageLayout . '</th>' . '<th>'              .&Apache::loncommon::end_data_table_header_row()
       . $NumberOfColumns . '</th>' . '<th>'              .&Apache::loncommon::start_data_table_row()
       . $PaperType . '</th>' . '<th>'      .'<td>'
       . $pdfFormLabel . '</th>'      .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
       . &Apache::loncommon::end_data_table_header_row()      .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
       . &Apache::loncommon::start_data_table_row() . '<td>'      .'</td>';
       . '<label><input type="radio" name="'  
       . ${var}  
       . '.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">';      $result.='<td align="center">'
               .'<select name="'.${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 .=              $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
                 '<option value="'           } else {
               . $i              $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
               . '" 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 =      my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
       &Apache::lonnet::coursedescription( $env{'request.course.id'} );      my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
     my $DefaultPaperSize = lc( $parmhash{'default_paper_size'} );      $DefaultPaperSize=~s/\s//g;
     $DefaultPaperSize =~ s/\s//g;      if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
     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 .=              $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
                 '<option selected="selected" value="'          } else {
               . $papersize . '">'              $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
               . $paperSize[$i]  
               . '</option>' . "\n";  
         }  
         else {  
             $result .=  
                 '<option value="'  
               . $papersize . '">'  
               . $paperSize[$i]  
               . '</option>' . "\n";  
         }          }
         $i++;          $i++;
     }      }
     $result .= <<HTML;      $result .= <<HTML;
         </select>          </select>
     </td>      </td>
     <td align='center'>  
         <select name='${var}.pdfFormFields'>  
             <option selected="selected" value="no">$without</option>  
             <option value="yes">$with</option>  
         </select>  
     </td>  
 HTML  HTML
     $result .= &Apache::loncommon::end_data_table_row()      $result.=&Apache::loncommon::end_data_table_row()
       . &Apache::loncommon::end_data_table();              .&Apache::loncommon::end_data_table();
   
     return $result;      return $result;
 }  }
Line 4869  HTML Line 5090  HTML
 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.layout"} . '|' . $env{"form.$var.cols"} . '|' .
       . $env{"form.$var.cols"} . '|'          $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
       . $env{"form.$var.paper"} . '|'  
       . $env{"form.$var.pdfFormFields"};  
     return 1;      return 1;
 }  }
   
Line 4910  no strict; Line 5129  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 4931  sub new { Line 5153  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 .=  
             '<br /><span class="LC_error">'      if (defined $self->{ERROR_MSG}) {
           . $self->{ERROR_MSG}          $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
           . '</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(/\|/, $format);
       ($papersize)                      = split(/ /, $papersize);
   
     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);      $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
   
   
   
     my %size;      my %size;
     (      ($size{'width_and_units'},
         $size{'width_and_units'},       $size{'height_and_units'},
         $size{'height_and_units'},       $size{'margin_and_units'})=
         $size{'margin_and_units'}   &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
     ) = &Apache::lonprintout::page_format( $papersize, $laystyle, $cols );      
       foreach my $dimension ('width','height','margin') {
     foreach my $dimension ( 'width', 'height', 'margin' ) {   ($size{$dimension},$size{$dimension.'_unit'}) =
         ( $size{$dimension}, $size{ $dimension . '_unit' } ) =      split(/ +/, $size{$dimension.'_and_units'},2);
           split( / +/, $size{ $dimension . '_and_units' }, 2 );         
    foreach my $unit ('cm','in') {
         foreach my $unit ( 'cm', 'in' ) {      $size{$dimension.'_options'} .= '<option ';
             $size{ $dimension . '_options' } .= '<option ';      if ($size{$dimension.'_unit'} eq $unit) {
             if ( $size{ $dimension . '_unit' } eq $unit ) {   $size{$dimension.'_options'} .= 'selected="selected" ';
                 $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 {
     else {   $size{'margin'} += 2.54;
         $size{'margin'} += 2.54;  
     }      }
     my %lt = &Apache::lonlocal::texthash(      my %lt = &Apache::lonlocal::texthash(
         'format' => 'How should each column be formatted?',          'format' => 'How should each column be formatted?',
Line 4987  sub render { Line 5209  sub render {
         'margin' => 'Left Margin'          'margin' => 'Left Margin'
     );      );
   
     $result .= '<p>'      $result .= '<p>'.$lt{'format'}.'</p>'
       . $lt{'format'} . '</p>'                .&Apache::lonhtmlcommon::start_pick_box()
       . &Apache::lonhtmlcommon::start_pick_box()                .&Apache::lonhtmlcommon::row_title($lt{'width'})
       . &Apache::lonhtmlcommon::row_title( $lt{'width'} )                .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
       . '<input type="text" name="'                .'<select name="'.$var.'.widthunit">'
       . $var                .$size{'width_options'}
       . '.width" value="'                .'</select>'
       . $size{'width'}                .&Apache::lonhtmlcommon::row_closure()
       . '" size="4" />'                .&Apache::lonhtmlcommon::row_title($lt{'height'})
       . '<select name="'                .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
       . $var                .'<select name="'.$var.'.heightunit">'
       . '.widthunit">'                .$size{'height_options'}
       . $size{'width_options'}                .'</select>'
       . '</select>'                .&Apache::lonhtmlcommon::row_closure()
       . &Apache::lonhtmlcommon::row_closure()                .&Apache::lonhtmlcommon::row_title($lt{'margin'})
       . &Apache::lonhtmlcommon::row_title( $lt{'height'} )                .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
       . '<input type="text" name="'                .'<select name="'.$var.'.lmarginunit">'
       . $var                .$size{'margin_options'}
       . '.height" value="'                .'</select>'
       . $size{'height'}                .&Apache::lonhtmlcommon::row_closure(1)
       . '" size="4" />'                .&Apache::lonhtmlcommon::end_pick_box();
       . '<select name="'  
       . $var  
       . '.heightunit">'  
       . $size{'height_options'}  
       . '</select>'  
       . &Apache::lonhtmlcommon::row_closure()  
       . &Apache::lonhtmlcommon::row_title( $lt{'margin'} )  
       . '<input type="text" name="'  
       . $var  
       . '.lmargin" value="'  
       . $size{'margin'}  
       . '" size="4" />'  
       . '<select name="'  
       . $var  
       . '.lmarginunit">'  
       . $size{'margin_options'}  
       . '</select>'  
       . &Apache::lonhtmlcommon::row_closure(1)  
       . &Apache::lonhtmlcommon::end_pick_box();  
   
     # <p>Hint: Some instructors like to leave scratch space for the student by      # <p>Hint: Some instructors like to leave scratch space for the student by
     # making the width much smaller than the width of the page.</p>      # 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);  
    $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
         #  Figure out some good defaults for the print out and set them:  
    #  Figure out some good defaults for the print out and set them:
         my %size;  
         ( $size{'width'}, $size{'height'}, $size{'lmargin'} ) =   my %size;
           &Apache::lonprintout::page_format( $papersize, $laystyle, $cols );   ($size{'width'},
    $size{'height'},
         foreach my $dim ( 'width', 'height', 'lmargin' ) {   $size{'lmargin'})=
             my ( $value, $units ) = split( / /, $size{$dim} );       &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
   
             $helper->{VARS}->{ "$var." . $dim } = $value;   foreach my $dim ('width', 'height', 'lmargin') {
             $helper->{VARS}->{ "$var." . $dim . 'unit' } = $units;      my ($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' } =      my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
       $env{"form.${var}.width"};      my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
     my $height = $helper->{VARS}->{ $var . '.height' } =      my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
       $env{"form.${var}.height"};      $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
     my $lmargin = $helper->{VARS}->{ $var . '.lmargin' } =      $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
       $env{"form.${var}.lmargin"};      $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
     $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 {
     else {   # Adjust for LaTeX 1.0 inch margin:
   
         # Adjust for LaTeX 1.0 inch margin:  
   
         if ( $env{"form.${var}.lmarginunit"} eq "in" ) {   if ($env{"form.${var}.lmarginunit"} eq "in") {
             $helper->{VARS}->{ $var . '.lmargin' } = $lmargin - 1;      $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
         }   } else {
         else {      $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
             $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;
     }      }

Removed from v.1.575.2.1  
changed lines
  Added in v.1.627.2.12


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