--- loncom/interface/lonprintout.pm 2003/06/19 15:46:42 1.191 +++ loncom/interface/lonprintout.pm 2011/06/06 10:53:09 1.590 @@ -1,7 +1,8 @@ + # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.191 2003/06/19 15:46:42 bowersj2 Exp $ +# $Id: lonprintout.pm,v 1.590 2011/06/06 10:53:09 foxr Exp $ # # Copyright Michigan State University Board of Trustees # @@ -22,23 +23,10 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt -# # http://www.lon-capa.org/ # -# (Internal Server Error Handler -# -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) -# -# 3/1/1 Gerd Kortemeyer) -# -# 3/1 Gerd Kortemeyer -# -# 9/17 Alex Sakharuk # package Apache::lonprintout; - use strict; use Apache::Constants qw(:common :http); use Apache::lonxml; @@ -49,23 +37,960 @@ use Apache::grades; use Apache::edit; use Apache::File(); use Apache::lonnavmaps; +use Apache::admannotations; +use Apache::lonenc; +use Apache::entities; +use Apache::londefdef; + +use File::Basename; + +use HTTP::Response; +use LONCAPA::map(); use POSIX qw(strftime); -use GDBM_File; +use Apache::lonlocal; +use Carp; +use LONCAPA; + + +my %perm; +my %parmhash; +my $resources_printed; + +# 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_last_error_resource; # The resource URI that could not be fetched. +my $ssi_last_error; # The error text from the server. (e.g. 500 Server timed out). + +# +# Our ssi max retry count. +# + +my $ssi_retry_count = 5; # Some arbitrary value. + + +# Font size: + +my $font_size = 'normalsize'; # Default is normalsize... + +#---------------------------- Helper helpers. ------------------------- + +# BZ5209: +# Create the states needed to run the helper for incomplete problems from +# the current folder for selected students. +# This includes: +# - A resource selector limited to problems (incompleteness must be +# calculated on a student per student basis. +# - A student selector. +# - Tie in to the FORMAT of the print job. +# +# States: +# CHOOSE_INCOMPLETE_PEOPLE_SEQ - Resource selection. +# CHOOSE_STUDENTS_INCOMPLETE - Student selection. +# CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection +# Parameters: +# helper - the helper which already contains info about the current folder we can +# purloin. +# url - Top url of the sequence +# Return: +# XML that can be parsed by the helper to drive the state machine. +# +sub create_incomplete_folder_selstud_helper($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 %hash; -my $LaTeXwidth = 0; + 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 $resource_chooser; +} +# Returns the text neded for a student chooser. +# that text must still be parsed by the helper xml parser. +# Parameters: +# this_state - State name of the chooser. +# sort_choice - variable to hold the sorting choice. +# variable - Name of variable to hold students. +# next_state - State after chooser. + + +sub generate_student_chooser { + my ($this_state, + $sort_choice, + $variable, + $next_state) = @_; + my $result = < + Select sorting order of printout + + + Sort by section then student + Sort by students across sections. + + +

+ + + +CHOOSE_STUDENTS + + return $result; +} + +# Generate the text needed for a resource chooser given the top level of +# the sequence/page +# +# Parameters: +# this_state - State name of the chooser. +# prompt_text - Text to use to prompt user. +# resource_options - Resource tag options e.g. +# "multichoice='1', toponly='1', addstatus='1'" +# that control the selection and appearance of the +# resource selector. +# variable - Name of the variable to hold the choice +# next_state - Name of the next state the helper should transition +# to +# top_url - Top level URL within which to make the selector. +# If empty the top level sequence is shown. +# filter - How to filter the resources. +# value_func - function. +# choice_func - If not empty generates a with this function. +# start_new_option +# - Fragment appended after valuefunc. +# +# +sub generate_resource_chooser { + my ($this_state, + $prompt_text, + $resource_options, + $variable, + $next_state, + $top_url, + $filter, + $choice_func, + $value_func, + $start_new_option) = @_; + + my $result = < + + $next_state + return $filter; +CHOOSE_RESOURCES + if ($choice_func ne '') { + $result .= "return $choice_func;"; + } + if ($top_url ne '') { + $result .= "$top_url"; + } + $result .= <return $value_func; + $start_new_option + + +CHOOSE_RESOURCES + + return $result; +} +# +# Generate the helper XML for a code choice helper dialog: +# +# Paramters: +# $helper - Reference to the helper. +# $state - Name of the state for the chooser. +# $next_state - Name fo the state to follow the chooser. +# $bubble_types - Populates the bubble sheet type dropt down. +# $code_selections - Provides set of code choices that have been used +# $saved_codes - Provides the list of saved codes. +# +# Returns; +# The Xml of the code chooser. +# +sub generate_code_selector { + my ($helper, + $state, + $next_state, + $bubble_types, + $code_selections, + $saved_codes) = @_; # Unpack the parameters. + + my $result = < + $next_state +

Fill out one of the forms below

 +

+

Generate new CODEd Assignments

 +
Number of CODEd assignments to print: + + + if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && + !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && + !\$helper->{'VARS'}{'SINGLE_CODE'} && + !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) { + + return "You need to specify the number of assignments to print"; + } + 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; + + +
+ Names to save the CODEs under for later: + + +
+ Bubble sheet type: + + + $bubble_types + +
+
+

Print a Specific CODE


+
Enter a CODE to print: + + + if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && + !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && + !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { + return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, + \$helper->{'VARS'}{'CODE_OPTION'}); + } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){ + return 'Specifying a code name is incompatible with specifying number of codes.'; + } else { + return undef; # Other forces control us. + } + + +
+ $code_selections +
+

Reprint a Set of Saved CODEs

+ Select saved CODEs: + + + $saved_codes + +
+ +CHOOSE_ANON1 + + return $result; +} + +sub generate_format_selector { + my ($helper,$title,$nextstate, $thisstate) = @_; + my $secpdfoption; + my $state = 'PRINT_FORMATTING'; + if ($thisstate) { + $state = $thisstate; + } + unless (($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 = 'Each PDF contains exactly one section'; + } + return < + $nextstate +
How should the results be printed?
 + + Start each student\'s assignment on a new page/column (add a pagefeed after each assignment) + Add one empty page/column after each student\'s assignment + Add two empty pages/column after each student\'s assignment + Add three empty pages/column after each student\'s assignment + + PAGESIZE +
How do you want assignments split into PDF files? + + All assignments in a single PDF file + $secpdfoption + Each PDF contains exactly one assignment + + Specify the number of assignments per PDF: + + +RESOURCE_SELECTOR +} + +#----------------------------------------------------------------------- + + +# Fetch the contents of a resource, uninterpreted. +# This is used here to fetch a latex file to be included +# verbatim into the printout< +# NOTE: Ask Guy if there is a lonnet function similar to this? +# +# Parameters: +# URL of the file +# +sub fetch_raw_resource { + my ($url) = @_; + + my $filename = &Apache::lonnet::filelocation("", $url); + my $contents = &Apache::lonnet::getfile($filename); + + if ($contents == -1) { + return "File open failed for $filename"; # This will bomb the print. + } + return $contents; + + +} + +# Fetch the annotations associated with a URL and +# put a centered 'annotations:' title. +# This is all suppressed if the annotations are empty. +# +sub annotate { + my ($symb) = @_; + + my $annotation_text = &Apache::loncommon::get_annotation($symb, 1); + + + my $result = ""; + + if (length($annotation_text) > 0) { + $result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ '; + $result .= "\n"; + $result .= &Apache::lonxml::latex_special_symbols($annotation_text,""); # Escape latex. + $result .= "\n\n"; + } + return $result; +} + +# +# Set a global document font size: +# This is done by replacing \begin{document} +# with \begin{document}{\some-font-directive +# and \end{document} with +# }\end{document +# +sub set_font_size { + + my ($text) = @_; + + # There appear to be cases where the font directive is empty.. in which + # case the first substituion would insert a spurious \ oh happy day. + # as this has been the cause of much mystery and hair pulling _sigh_ + + if ($font_size ne '') { + + $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/; + } + $text =~ s/\\end{document}/}\\end{document}/; + return $text; + + +} + +# include_pdf - PDF files are included into the +# output as follows: +# - The PDF, if necessary, is replicated. +# - The PDF is added to the list of files to convert to postscript (along with the images). +# - The LaTeX is added to include the final converted postscript in the file as an included +# job. The assumption is that the includedpsheader.ps header will be included. +# +# Parameters: +# pdf_uri - URI of the PDF file to include. +# +# Returns: +# The LaTeX to include. +# +# Assumptions: +# The uri is actually a PDF file +# The postscript will have the includepsheader.ps included. +# +# +sub include_pdf { + my ($pdf_uri) = @_; + + # Where is the file? If not local we'll need to repcopy it:' + + my $file = &Apache::lonnet::filelocation('', $pdf_uri); + if (! -e $file) { + &Apache::lonnet::repcopy($file); + $file = &Apache::lonnet::filelocation('',$pdf_uri); + } + + # The file isn ow replicated locally.. or it did not exist in the first place + # (unlikely). If it did exist, add the pdf to the set of files/images that + # need tob e converted for this print job: + + $file =~ s|(.*)/res/|/home/httpd/html/res/|; + + open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"); + print FILE ("$file\n"); + close (FILE); + + # Construct the special to put out. To do this we need to get the + # resulting filename after conversion. The file will have the same name + # but will be in the user's spool directory with converted images. + + my $dirname = "/home/httpd/prtspool/$env{'user.name'}/"; + my ( $base, $path, $ext) = &fileparse($file, '.pdf'); +# my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl + $base =~ s/ /\_/g; + + + my $output = &print_latex_header(); + $output .= '\special{ps: _begin_job_ (' + .$base.'.pdf.eps'. + ')run _end_job_}'; + + return $output; + + +} + + +# +# ssi_with_retries- Does the server side include of a resource. +# if the ssi call returns an error we'll retry it up to +# the number of times requested by the caller. +# If we still have a proble, no text is appended to the +# output and we set some global variables. +# to indicate to the caller an SSI error occurred. +# All of this is supposed to deal with the issues described +# in LonCAPA BZ 5631 see: +# http://bugs.lon-capa.org/show_bug.cgi?id=5631 +# by informing the user that this happened. +# +# Parameters: +# resource - The resource to include. This is passed directly, without +# interpretation to lonnet::ssi. +# form - The form hash parameters that guide the interpretation of the resource +# +# retries - Number of retries allowed before giving up completely. +# Returns: +# On success, returns the rendered resource identified by the resource parameter. +# Side Effects: +# The following global variables can be set: +# ssi_error - If an unrecoverable error occurred this becomes true. +# It is up to the caller to initialize this to false +# if desired. +# ssi_last_error_resource - If an unrecoverable error occurred, this is the value +# of the resource that could not be rendered by the ssi +# call. +# ssi_last_error - The error string fetched from the ssi response +# in the event of an error. +# +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + + my $target = $form{'grade_target'}; + my $aom = $form{'answer_output_mode'}; + + + + my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); + if (!$response->is_success) { + $ssi_error = 1; + $ssi_last_error_resource = $resource; + $ssi_last_error = $response->code . " " . $response->message; + $content='\section*{!!! An error occurred !!!}'; + &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error"); + } + + return $content; + +} + +sub get_student_view_with_retries { + my ($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; + $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 $content; + +} + +# +# printf_style_subst item format_string repl +# +# Does printf style substitution for a format string that +# can have %[n]item in it.. wherever, %[n]item occurs, +# rep is substituted in format_string. Note that +# [n] is an optional integer length. If provided, +# repl is truncated to at most [n] characters prior to +# substitution. +# +sub printf_style_subst { + my ($item, $format_string, $repl) = @_; + my $result = ""; + while ($format_string =~ /(%)(\d*)\Q$item\E/g ) { + my $fmt = $1; + my $size = $2; + my $subst = $repl; + if ($size ne "") { + $subst = substr($subst, 0, $size); + + # Here's a nice edge case.. supose the end of the + # substring is a \. In that case may have just + # chopped off a TeX escape... in that case, we append + # " " for the trailing character, and let the field + # spill over a bit (sigh). + # We don't just chop off the last character in order to deal + # with one last pathology, and that would be if substr had + # trimmed us to e.g. \\\ + + + if ($subst =~ /\\$/) { + $subst .= " "; + } + } + my $item_pos = pos($format_string); + $result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst; + $format_string = substr($format_string, pos($format_string)); + } + + # Put the residual format string into the result: + + $result .= $format_string; + + return $result; +} + + +# Format a header according to a format. +# + +# Substitutions: +# %a - Assignment name. +# %c - Course name. +# %n - Student name. +# %s - The section if it is supplied. +# +sub format_page_header { + my ($width, $format, $assignment, $course, $student, $section) = @_; + + + + $width = &recalcto_mm($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'; + + if ($section) { + $format .= ' - Sec: '."%$sec_length".'s'; + } + + $format .= '\\\\%c \\\\ %a'; + + + } + # An open question is how to handle long user formatted page headers... + # A possible future is to support e.g. %na so that the user can control + # the truncation of the elements that can appear in the header. + # + $format = &printf_style_subst("a", $format, $assignment); + $format = &printf_style_subst("c", $format, $course); + $format = &printf_style_subst("n", $format, $student); + $format = &printf_style_subst("s", $format, $section); + + + # If the user put %'s in the format string, they must be escaped + # to \% else LaTeX will think they are comments and terminate + # the line.. which is bad!!! + + # If the user has role author, $course and $assignment are empty so + # there is '\\ \\ ' in the page header. That's cause a error in LaTeX + if($format =~ /\\\\\s\\\\\s/) { + #TODO find sensible caption for page header + my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout '); + $format =~ s/\\\\\s\\\\\s/$testPrintout/; + } + # + # We're going to trust LaTeX to break lines appropriately, but + # we'll truncate anything that's more than 3 lines worth of + # text. This is also assuming (which will probably end badly) + # nobody's going to embed LaTeX control sequences in the title + # header or rather that those control sequences won't get broken + # by the stuff below. + # + my $total_length = 3*$chars_per_line; + if (length($format) > $total_length) { + $format = substr($format, 0, $total_length); + } + + + return $format; + +} + +# +# Convert a numeric code to letters +# +sub num_to_letters { + my ($num) = @_; + my @nums= split('',$num); + my @num_to_let=('A'..'Z'); + my $word; + foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } + return $word; +} +# Convert a letter code to numeric. +# +sub letters_to_num { + my ($letters) = @_; + my @letters = split('', uc($letters)); + my %substitution; + my $digit = 0; + foreach my $letter ('A'..'J') { + $substitution{$letter} = $digit; + $digit++; + } + # The substitution is done as below to preserve leading + # zeroes which are needed to keep the code size exact + # + my $result =""; + foreach my $letter (@letters) { + $result.=$substitution{$letter}; + } + return $result; +} + +# Determine if a code is a valid numeric code. Valid +# numeric codes must be comprised entirely of digits and +# have a correct number of digits. +# +# Parameters: +# value - proposed code value. +# num_digits - Number of digits required. +# +sub is_valid_numeric_code { + my ($value, $num_digits) = @_; + # Remove leading/trailing whitespace; + $value =~ s/^\s*//g; + $value =~ s/\s*$//g; + + # All digits? + if ($value !~ /^[0-9]+$/) { + return "Numeric code $value has invalid characters - must only be digits"; + } + if (length($value) != $num_digits) { + return "Numeric code $value incorrect number of digits (correct = $num_digits)"; + } + return undef; +} +# Determines if a code is a valid alhpa code. Alpha codes +# are ciphers that map [A-J,a-j] -> 0..9 0..9. +# They also have a correct digit count. +# Parameters: +# value - Proposed code value. +# num_letters - correct number of letters. +# Note: +# leading and trailing whitespace are ignored. +# +sub is_valid_alpha_code { + my ($value, $num_letters) = @_; + + # strip leading and trailing spaces. + + $value =~ s/^\s*//g; + $value =~ s/\s*$//g; + + # All alphas in the right range? + if ($value !~ /^[A-J,a-j]+$/) { + return "Invalid letter code $value must only contain A-J"; + } + if (length($value) != $num_letters) { + return "Letter code $value has incorrect number of letters (correct = $num_letters)"; + } + return undef; +} + +# Determine if a code entered by the user in a helper is valid. +# valid depends on the code type and the type of code selected. +# The type of code selected can either be numeric or +# Alphabetic. If alphabetic, the code, in fact is a simple +# substitution cipher for the actual numeric code: 0->A, 1->B ... +# We'll be nice and be case insensitive for alpha codes. +# Parameters: +# code_value - the value of the code the user typed in. +# code_option - The code type selected from the set in the scantron format +# table. +# Returns: +# undef - The code is valid. +# other - An error message indicating what's wrong. +# +sub is_code_valid { + my ($code_value, $code_option) = @_; + my ($code_type, $code_length) = ('letter', 6); # defaults. + my @lines = &Apache::grades::get_scantronformat_file(); + foreach my $line (@lines) { + my ($name, $type, $length) = (split(/:/, $line))[0,2,4]; + if($name eq $code_option) { + $code_length = $length; + if($type eq 'number') { + $code_type = 'number'; + } + } + } + my $valid; + if ($code_type eq 'number') { + return &is_valid_numeric_code($code_value, $code_length); + } else { + return &is_valid_alpha_code($code_value, $code_length); + } + +} + +# Compare two students by name. The students are in the form +# returned by the helper: +# user:domain:section:last, first:status +# This is a helper function for the perl sort built-in therefore: +# Implicit Inputs: +# $a - The first element to compare (global) +# $b - The second element to compare (global) +# Returns: +# -1 - $a < $b +# 0 - $a == $b +# +1 - $a > $b +# Note that the initial comparison is done on the last names with the +# first names only used to break the tie. +# +# +sub compare_names { + # First split the names up into the primary fields. + + my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); + my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); + + # Now split the last name and first name of each n: + # + + my ($l1,$f1) = split(/,/, $n1); + my ($l2,$f2) = split(/,/, $n2); + + # We don't bother to remove the leading/trailing whitespace from the + # firstname, unless the last names compare identical. + + if($l1 lt $l2) { + return -1; + } + if($l1 gt $l2) { + return 1; + } + + # Break the tie on the first name, but there are leading (possibly trailing + # whitespaces to get rid of first + # + $f1 =~ s/^\s+//; # Remove leading... + $f1 =~ s/\s+$//; # Trailing spaces from first 1... + + $f2 =~ s/^\s+//; + $f2 =~ s/\s+$//; # And the same for first 2... + + if($f1 lt $f2) { + return -1; + } + if($f1 gt $f2) { + return 1; + } + + # Must be the same name. + + return 0; +} + sub latex_header_footer_remove { my $text = shift; $text =~ s/\\end{document}//; $text =~ s/\\documentclass([^&]*)\\begin{document}//; return $text; } +# +# If necessary, encapsulate text inside +# a minipage env. +# necessity is determined by the problem_split param. +# +sub encapsulate_minipage { + my ($text) = @_; + if (!($env{'form.problem.split'} =~ /yes/i)) { + $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}'; + } + return $text; +} +# +# The NUMBER_TO_PRINT and SPLIT_PDFS +# variables interact, this sub looks at these two parameters +# and comes up with a final value for NUMBER_TO_PRINT which can be: +# all - if SPLIT_PDFS eq 'all'. +# 1 - if SPLIT_PDFS eq 'oneper' +# section - if SPLIT_PDFS eq 'sections' +# - if SPLIT_PDFS eq 'usenumber' +# +sub adjust_number_to_print { + my $helper = shift; + + my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; + + if ($split_pdf eq 'all') { + $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; + } elsif ($split_pdf eq 'oneper') { + $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; + } elsif ($split_pdf eq 'sections') { + $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; + } elsif ($split_pdf eq 'usenumber') { + # Unmodified. + } else { + # Error!!!! + + croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; + + } +} sub character_chart { + my $result = shift; + return &Apache::entities::replace_entities($result); +} + +sub old_character_chart { my $result = shift; $result =~ s/&\#0?0?(7|9);//g; $result =~ s/&\#0?(10|13);//g; @@ -98,8 +1023,8 @@ sub character_chart { $result =~ s/&\#0?58;/:/g; $result =~ s/&\#0?59;/;/g; $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; - $result =~ s/&\#0?61;/\$=\$/g; - $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g; + $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; + $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; $result =~ s/&\#0?63;/\?/g; $result =~ s/&\#0?65;/A/g; $result =~ s/&\#0?66;/B/g; @@ -128,9 +1053,9 @@ sub character_chart { $result =~ s/&\#0?89;/Y/g; $result =~ s/&\#0?90;/Z/g; $result =~ s/&\#0?91;/[/g; - $result =~ s/&\#0?92;/\$\\setminus\$/g; + $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; $result =~ s/&\#0?93;/]/g; - $result =~ s/&\#(0?94|136);/\$\\wedge\$/g; + $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; $result =~ s/&\#(0?96|145);/\`/g; $result =~ s/&\#0?97;/a/g; @@ -165,21 +1090,21 @@ sub character_chart { $result =~ s/&\#126;/\~/g; $result =~ s/&\#131;/\\textflorin /g; $result =~ s/&\#132;/\"/g; - $result =~ s/&\#133;/\$\\ldots\$/g; - $result =~ s/&\#134;/\$\\dagger\$/g; - $result =~ s/&\#135;/\$\\ddagger\$/g; + $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; + $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; + $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; $result =~ s/&\#137;/\\textperthousand /g; $result =~ s/&\#140;/{\\OE}/g; $result =~ s/&\#147;/\`\`/g; $result =~ s/&\#148;/\'\'/g; - $result =~ s/&\#149;/\$\\bullet\$/g; - $result =~ s/&\#150;/--/g; + $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; + $result =~ s/&(\#150|\#8211);/--/g; $result =~ s/&\#151;/---/g; - $result =~ s/&\#152;/\$\\sim\$/g; + $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; $result =~ s/&\#153;/\\texttrademark /g; $result =~ s/&\#156;/\\oe/g; $result =~ s/&\#159;/\\\"Y/g; - $result =~ s/&(\#160|nbsp);//g; + $result =~ s/&(\#160|nbsp);/~/g; $result =~ s/&(\#161|iexcl);/!\`/g; $result =~ s/&(\#162|cent);/\\textcent /g; $result =~ s/&(\#163|pound);/\\pounds /g; @@ -187,23 +1112,23 @@ sub character_chart { $result =~ s/&(\#165|yen);/\\textyen /g; $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; $result =~ s/&(\#167|sect);/\\textsection /g; - $result =~ s/&(\#168|uml);/\\texthighdieresis /g; + $result =~ s/&(\#168|uml);/\\"\{\} /g; $result =~ s/&(\#169|copy);/\\copyright /g; $result =~ s/&(\#170|ordf);/\\textordfeminine /g; - $result =~ s/&(\#172|not);/\$\\neg\$/g; + $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; $result =~ s/&(\#173|shy);/ - /g; $result =~ s/&(\#174|reg);/\\textregistered /g; - $result =~ s/&(\#175|macr);/\$^{-}\$/g; - $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g; - $result =~ s/&(\#177|plusmn);/\$\\pm\$/g; - $result =~ s/&(\#178|sup2);/\$^2\$/g; - $result =~ s/&(\#179|sup3);/\$^3\$/g; - $result =~ s/&(\#180|acute);/\\textacute /g; - $result =~ s/&(\#181|micro);/\$\\mu\$/g; + $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; + $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; + $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; + $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; + $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; + $result =~ s/&(\#180|acute);/\\'\{\} /g; + $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; $result =~ s/&(\#182|para);/\\P/g; - $result =~ s/&(\#183|middot);/\$\\cdot\$/g; + $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; - $result =~ s/&(\#185|sup1);/\$^1\$/g; + $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; $result =~ s/&(\#186|ordm);/\\textordmasculine /g; $result =~ s/&(\#188|frac14);/\\textonequarter /g; $result =~ s/&(\#189|frac12);/\\textonehalf /g; @@ -231,14 +1156,14 @@ sub character_chart { $result =~ s/&(\#212|Ocirc);/\\^{O}/g; $result =~ s/&(\#213|Otilde);/\\~{O}/g; $result =~ s/&(\#214|Ouml);/\\\"{O}/g; - $result =~ s/&(\#215|times);/\$\\times\$/g; + $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; $result =~ s/&(\#216|Oslash);/{\\O}/g; $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; $result =~ s/&(\#218|Uacute);/\\\'{U}/g; $result =~ s/&(\#219|Ucirc);/\\^{U}/g; $result =~ s/&(\#220|Uuml);/\\\"{U}/g; $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; - $result =~ s/&(\#223|szlig);/\\ss/g; + $result =~ s/&(\#223|szlig);/{\\ss}/g; $result =~ s/&(\#224|agrave);/\\\`{a}/g; $result =~ s/&(\#225|aacute);/\\\'{a}/g; $result =~ s/&(\#226|acirc);/\\^{a}/g; @@ -255,14 +1180,14 @@ sub character_chart { $result =~ s/&(\#237|iacute);/\\\'{i}/g; $result =~ s/&(\#238|icirc);/\\^{i}/g; $result =~ s/&(\#239|iuml);/\\\"{i}/g; - $result =~ s/&(\#240|eth);/\$\\partial\$/g; + $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; $result =~ s/&(\#241|ntilde);/\\~{n}/g; $result =~ s/&(\#242|ograve);/\\\`{o}/g; $result =~ s/&(\#243|oacute);/\\\'{o}/g; $result =~ s/&(\#244|ocirc);/\\^{o}/g; $result =~ s/&(\#245|otilde);/\\~{o}/g; $result =~ s/&(\#246|ouml);/\\\"{o}/g; - $result =~ s/&(\#247|divide);/\$\\div\$/g; + $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; $result =~ s/&(\#248|oslash);/{\\o}/g; $result =~ s/&(\#249|ugrave);/\\\`{u}/g; $result =~ s/&(\#250|uacute);/\\\'{u}/g; @@ -270,160 +1195,322 @@ sub character_chart { $result =~ s/&(\#252|uuml);/\\\"{u}/g; $result =~ s/&(\#253|yacute);/\\\'{y}/g; $result =~ s/&(\#255|yuml);/\\\"{y}/g; - $result =~ s/&\#952;/\$\\theta\$/g; + $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; + $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; #Greek Alphabet - $result =~ s/&(alpha|\#945);/\$\\alpha \$/g; - $result =~ s/&(beta|\#946);/\$\\beta \$/g; - $result =~ s/&(gamma|\#947);/\$\\gamma \$/g; - $result =~ s/&(delta|\#948);/\$\\delta \$/g; - $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g; - $result =~ s/&(zeta|\#950);/\$\\zeta \$/g; - $result =~ s/&(eta|\#951);/\$\\eta \$/g; - $result =~ s/&(theta|\#952);/\$\\theta \$/g; - $result =~ s/&(iota|\#953);/\$\\iota \$/g; - $result =~ s/&(kappa|\#954);/\$\\kappa \$/g; - $result =~ s/&(lambda|\#955);/\$\\lambda \$/g; - $result =~ s/&(mu|\#956);/\$\\mu \$/g; - $result =~ s/&(nu|\#957);/\$\\nu \$/g; - $result =~ s/&(xi|\#958);/\$\\xi \$/g; - $result =~ s/&(pi|\#960);/\$\\pi \$/g; - $result =~ s/&(rho|\#961);/\$\\rho \$/g; - $result =~ s/&(sigma|\#963);/\$\\sigma \$/g; - $result =~ s/&(tau|\#964);/\$\\tau \$/g; - $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g; - $result =~ s/&(phi|\#966);/\$\\phi \$/g; - $result =~ s/&(chi|\#967);/\$\\chi \$/g; - $result =~ s/&(psi|\#968);/\$\\psi \$/g; - $result =~ s/&(omega|\#969);/\$\\omega \$/g; - $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g; - $result =~ s/&(Delta|\#916);/\$\\Delta \$/g; - $result =~ s/&(Theta|\#920);/\$\\Theta \$/g; - $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g; - $result =~ s/&(Xi|\#926);/\$\\Xi \$/g; - $result =~ s/&(Pi|\#928);/\$\\Pi \$/g; - $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g; - $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g; - $result =~ s/&(Phi|\#934);/\$\\Phi \$/g; - $result =~ s/&(Psi|\#936);/\$\\Psi \$/g; - $result =~ s/&(Omega|\#937);/\$\\Omega \$/g; + $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; + $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; + $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; + $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; + $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; + $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; + $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; + $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; + $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; + $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; + $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; + $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; + $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; + $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; + $result =~ s/&(omicron|\#959);/o/g; + $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; + $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; + $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; + $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; + $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; + $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; + $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; + $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; + $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; + $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; + $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; + $result =~ s/&(Alpha|\#913);/A/g; + $result =~ s/&(Beta|\#914);/B/g; + $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; + $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; + $result =~ s/&(Epsilon|\#917);/E/g; + $result =~ s/&(Zeta|\#918);/Z/g; + $result =~ s/&(Eta|\#919);/H/g; + $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; + $result =~ s/&(Iota|\#921);/I/g; + $result =~ s/&(Kappa|\#922);/K/g; + $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; + $result =~ s/&(Mu|\#924);/M/g; + $result =~ s/&(Nu|\#925);/N/g; + $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; + $result =~ s/&(Omicron|\#927);/O/g; + $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; + $result =~ s/&(Rho|\#929);/P/g; + $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; + $result =~ s/&(Tau|\#932);/T/g; + $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; + $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; + $result =~ s/&(Chi|\#935);/X/g; + $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; + $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; +#Arrows (extended HTML 4.01) + $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; + $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; + $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; + $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; + $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; + $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; + $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; + $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; + $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; + $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; +#Mathematical Operators (extended HTML 4.01) + $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; + $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; + $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; + $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; + $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; + $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; + $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; + $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; + $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; + $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; + $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; + $result =~ s/–/\\ensuremath\{-\}/g; + $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; + $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; + $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; + $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; + $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; + $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; + $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; + $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; + $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; + $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; + $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; + $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; + $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; + $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; + $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; + $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; + $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; + $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; + $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; + $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; + $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; + $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; + $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; + $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; + $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; + $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; +#Geometric Shapes (extended HTML 4.01) + $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; +#Miscellaneous Symbols (extended HTML 4.01) + $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; + $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; + $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; + $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; +# Chemically useful 'things' contributed by Hon Kie (bug 4652). + + $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g; + $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g; + $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g; + $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g; + $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g; + $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g; + $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g; + $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g; + $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g; + $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g; + $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g; + $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g; + $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g; + + # Left/right quotations: + + $result =~ s/&(ldquo|#8220);/\`\`/g; + $result =~ s/&(rdquo|#8221);/\'\'/g; + + + return $result; } + #width, height, oddsidemargin, evensidemargin, topmargin +my %page_formats= + ('letter' => { + 'book' => { + '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'], + '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'] + }, + 'album' => { + '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','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 { # -#Correspondence between $papersize variable and real paper format: -# 0 - "Letter [8 1/2x11 in]" -# 1 - "Legal [8 1/2x14 in]" -# 2 - "Ledger/Tabloid [11x17 in]" -# 3 - "Executive [7 1/2x10 in]" -# 4 - "A2 [420x594 mm]" -# 5 - "A3 [297x420 mm]" -# 6 - "A4 [210x297 mm]" -# 7 - "A5 [148x210 mm]" -# 8 - "A6 [105x148 mm]" +#Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", +# "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", +# "A2 [420x594 mm]", "A3 [297x420 mm]", +# "A4 [210x297 mm]", "A5 [148x210 mm]", +# "A6 [105x148 mm]" # my ($papersize,$layout,$numberofcolumns) = @_; - my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0); - if ($papersize eq '0') { - if ($layout eq 'book') { - if ($numberofcolumns == 1) { - $textwidth = '7.1 in'; #'18 cm'; - $textheight = '10.2 in'; #'25.9 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } elsif ($numberofcolumns == 2) { - $textwidth = '3.66 in'; #'93 mm'; - $textheight = '10.2 in'; #'25.9 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } - } elsif ($layout eq 'album') { - if ($numberofcolumns eq '1') { - $textwidth = '8.8 in'; - $textheight = '6.8 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } elsif ($numberofcolumns == 2) { - $textwidth = '4.2 in'; - $textheight = '6.8 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } - } -# } elsif($papersize eq '1') { -# } elsif($papersize eq '2') { -# } elsif($papersize eq '3'/) { - } elsif($papersize eq '6') { - if ($layout eq 'book') { - if ($numberofcolumns == 1) { - $textwidth = '18 cm'; - $textheight = '28 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } elsif ($numberofcolumns == 2) { - $textwidth = '96 mm'; - $textheight = '2 cm'; - $oddoffset = '-0.57 in'; - $evenoffset = '-0.57 in'; - } - } elsif ($layout eq 'album') { - if ($numberofcolumns eq '1') { - $textwidth = '8.5 in'; - $textheight = '7.7 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } elsif ($numberofcolumns == 2) { - $textwidth = '3.9 in'; - $textheight = '7.7 in'; - $oddoffset = '-40 pt'; - $evenoffset = '-60 pt'; - } - } -# } elsif($papersize eq '5') { -# } elsif($papersize eq '4') { -# } elsif($papersize eq '7') { -# } elsif($papersize eq '8') { - } - return $textwidth,$textheight,$oddoffset,$evenoffset; + return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; } sub get_name { my ($uname,$udom)=@_; - if (!defined($uname)) { $uname=$ENV{'user.name'}; } - if (!defined($udom)) { $uname=$ENV{'user.domain'}; } + if (!defined($uname)) { $uname=$env{'user.name'}; } + if (!defined($udom)) { $udom=$env{'user.domain'}; } my $plainname=&Apache::loncommon::plainname($uname,$udom); - if ($plainname=~/^\s*$/) { $plainname=$uname; } - return &Apache::lonxml::latex_special_symbols($plainname,undef,undef, - 'header'); + if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } + $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); + return $plainname; } +sub get_course { + my $courseidinfo; + if (defined($env{'request.course.id'})) { + $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); + my $sec = $env{'request.course.sec'}; + + } + return $courseidinfo; +} sub page_format_transformation { - my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_; - my ($textwidth,$textheight,$oddoffset,$evenoffset); - $assignment=~s/_/ /g; - if ($numberofcolumns != 1) { - ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns); + my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; + my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); + + if ($selectionmade eq '4') { + if ($choice eq 'all_problems') { + $assignment=&mt('Problems from the Whole Course'); } else { - ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'}); + $assignment=&mt('Resources from the Whole Course'); } + } else { + $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); + } + ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); + + my $name = &get_name(); - if ($name =~ /^\s*$/) { - $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef, - undef,'header'); + my $courseidinfo = &get_course(); + my $header_text = $parmhash{'print_header_format'}; + $header_text = &format_page_header($textwidth, $header_text, $assignment, + $courseidinfo, $name); + my $topmargintoinsert = ''; + if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} + my $fancypagestatement=''; + if ($numberofcolumns eq '2') { + $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}"; + } else { + $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}"; } - my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header'); if ($layout eq 'album') { - $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill $courseidinfo} \\vskip 5 mm /; + $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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 ($choice ne 'All class print') { - $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/; + $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; } else { - $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /; + $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; + } + if ($papersize eq 'a4') { + my $papersize_text; + if ($perm{'pav'}) { + $papersize_text = '\\special{papersize=210mm,297mm}'; + } else { + $papersize_text = '\special{papersize=210mm,297mm}'; + } + $text =~ s/(\\begin{document})/$1$papersize_text/; } } + if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} + if ($indexlist eq 'yes') { + $text=~s/(\\begin{document})/\\makeindex $1/; + $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; + } return $text; } @@ -443,34 +1530,43 @@ sub page_cleanup { sub details_for_menu { + my ($helper)=@_; + my $postdata=$env{'form.postdata'}; + if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } + my $name_of_resource = &Apache::lonnet::gettitle($postdata); + my $symbolic = &Apache::lonnet::symbread($postdata); + return if ( $symbolic eq ''); - my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}}; - my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); - my ($map,$id,$resource)=split(/___/,$symbolic); + my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); $map=&Apache::lonnet::clutter($map); - my $name_of_sequence; - $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}}; + my $name_of_sequence = &Apache::lonnet::gettitle($map); if ($name_of_sequence =~ /^\s*$/) { $map =~ m|([^/]+)$|; $name_of_sequence = $1; } - my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}}; + my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); if ($name_of_map =~ /^\s*$/) { - $ENV{'request.course.uri'} =~ m|([^/]+)$|; + $env{'request.course.uri'} =~ m|([^/]+)$|; $name_of_map = $1; } - return ($name_of_resourse,$name_of_sequence,$name_of_map); - + return ($name_of_resource,$name_of_sequence,$name_of_map); } +sub copyright_line { + return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; +} +my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n"; sub latex_corrections { - - my ($number_of_columns,$result) = @_; - + my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; + my $copyright = ©right_line(); + if ($selectionmade eq '1' || $answer_mode eq 'only') { + $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; + } else { + $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; + } $result =~ s/\$number_of_columns/$number_of_columns/g; - $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; #-- LaTeX corrections @@ -481,262 +1577,1413 @@ sub latex_corrections { $first_comment = index($result,'