--- loncom/interface/lonprintout.pm 2004/08/31 13:41:54 1.329 +++ loncom/interface/lonprintout.pm 2008/04/04 16:46:23 1.519.2.4 @@ -1,7 +1,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.329 2004/08/31 13:41:54 sakharuk Exp $ +# $Id: lonprintout.pm,v 1.519.2.4 2008/04/04 16:46:23 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -22,7 +22,6 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt -# # http://www.lon-capa.org/ # # @@ -38,23 +37,473 @@ use Apache::grades; use Apache::edit; use Apache::File(); use Apache::lonnavmaps; -use Apache::lonratedt; +use Apache::admannotations; +use Apache::lonenc; +use HTTP::Response; + +use LONCAPA::map(); use POSIX qw(strftime); use Apache::lonlocal; -use GDBM_File; +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 $ssi_retry_count = 5; # Some arbitrary value. + + + +# Fetch the contents of a resource, uninterpreted. +# This is used here to fetch a latex file to be included +# verbatim into the printout< +# NOTE: Ask Guy if there is a lonnet function similar to this? +# +# Parameters: +# URL of the file +# +sub fetch_raw_resource { + my ($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; -my %hash; -my $LaTeXwidth = 0; + +} + +# Fetch the annotations associated with a URL and +# put a centered 'annotations:' title. +# This is all suppressed if the annotations are empty. +# +sub annotate { + my ($symb) = @_; + + my $annotation_text = &Apache::admannotations::get_annotation($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 $result; +} + + +# +# ssi_with_retries - Does the server side include of a resource. +# if the ssi call returns an error we'll retry it up to +# the number of times requested by the caller. +# If we still have a proble, no text is appended to the +# output and we set some global variables. +# to indicate to the caller an SSI error occurred. +# All of this is supposed to deal with the issues described +# in LonCAPA BZ 5631 see: +# http://bugs.lon-capa.org/show_bug.cgi?id=5631 +# by informing the user that this happened. +# +# Parameters: +# resource - The resource to include. This is passed directly, without +# interpretation to lonnet::ssi. +# form - The form hash parameters that guide the interpretation of the resource +# +# retries - Number of retries allowed before giving up completely. +# Returns: +# On success, returns the rendered resource identified by the resource parameter. +# Side Effects: +# The following global variables can be set: +# ssi_error - If an unrecoverable error occurred this becomes true. +# It is up to the caller to initialize this to false +# if desired. +# ssi_last_error_resource - If an unrecoverable error occurred, this is the value +# of the resource that could not be rendered by the ssi +# call. +# ssi_last_error - The error string fetched from the ssi response +# in the event of an error. +# +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + my ($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 $result; +} + + +# Format a header according to a format. +# + +# Substitutions: +# %a - Assignment name. +# %c - Course name. +# %n - Student name. +# +sub format_page_header { + my ($width, $format, $assignment, $course, $student) = @_; + + $width = &recalcto_mm($width); # Get width in mm. + # 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 $chars_per_line = $width/2; # Character/textline. + + + my $firstline = "$student $course"; + if (length($firstline) > $chars_per_line) { + my $lastchar = $chars_per_line - length($student) - 1; + if ($lastchar > 0) { + $course = substr($course, 0, $lastchar); + } else { # Nothing left of course: + $course = ''; + } + } + if (length($assignment) > $chars_per_line) { + $assignment = substr($assignment, 0, $chars_per_line); + } + + $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; + + } else { + # An open question is how to handle long user formatted page headers... + # A possible future is to support e.g. %na so that the user can control + # the truncation of the elements that can appear in the header. + # + $format = &printf_style_subst("a", $format, $assignment); + $format = &printf_style_subst("c", $format, $course); + $format = &printf_style_subst("n", $format, $student); + + # If the user put %'s in the format string, they must be escaped + # to \% else LaTeX will think they are comments and terminate + # the line.. which is bad!!! + + + } + + + 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. + open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); + foreach my $line () { + my ($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; @@ -164,7 +613,7 @@ sub character_chart { $result =~ s/&\#147;/\`\`/g; $result =~ s/&\#148;/\'\'/g; $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; - $result =~ s/&\#150;/--/g; + $result =~ s/&(\#150|\#8211);/--/g; $result =~ s/&\#151;/---/g; $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; $result =~ s/&\#153;/\\texttrademark /g; @@ -261,6 +710,7 @@ sub character_chart { $result =~ s/&(\#252|uuml);/\\\"{u}/g; $result =~ s/&(\#253|yacute);/\\\'{y}/g; $result =~ s/&(\#255|yuml);/\\\"{y}/g; + $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; #Greek Alphabet $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; @@ -336,6 +786,7 @@ sub character_chart { $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; @@ -369,6 +820,28 @@ sub character_chart { $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 $result; } @@ -377,22 +850,22 @@ sub character_chart { my %page_formats= ('letter' => { 'book' => { - '1' => [ '7.1 in','10.2 in', '-0.57 in','-0.57 in','0 in'], - '2' => ['3.66 in','10.2 in', '-0.57 in','-0.57 in','0 in'] + '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'], + '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'] }, 'album' => { - '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','0 in'], - '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in'] + '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','0.394 in'], + '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in'] }, }, 'legal' => { 'book' => { '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], - '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in'] + '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in'] }, 'album' => { - '1' => [], - '2' => [] + '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], + '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] }, }, 'tabloid' => { @@ -401,8 +874,8 @@ my %page_formats= '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] }, 'album' => { - '1' => [], - '2' => [] + '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], + '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] }, }, 'executive' => { @@ -437,12 +910,12 @@ my %page_formats= }, 'a4' => { 'book' => { - '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'], - '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in'] + '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'], + '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'] }, 'album' => { - '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'], - '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in'] + '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'], + '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm'] }, }, 'a5' => { @@ -482,18 +955,18 @@ sub page_format { sub get_name { my ($uname,$udom)=@_; - if (!defined($uname)) { $uname=$ENV{'user.name'}; } - if (!defined($udom)) { $udom=$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.'@'.$udom; } - $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); + $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); return $plainname; } sub get_course { my $courseidinfo; - if (defined($ENV{'request.course.id'})) { - $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header'); + if (defined($env{'request.course.id'})) { + $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); } return $courseidinfo; } @@ -501,30 +974,40 @@ sub get_course { sub page_format_transformation { my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); + if ($selectionmade eq '4') { - $assignment='Problems from the Whole Course'; + if ($choice eq 'all_problems') { + $assignment='Problems from the Whole Course'; + } else { + $assignment='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(); my $courseidinfo = &get_course(); if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } + my $header_text = $parmhash{'print_header_format'}; + $header_text = &format_page_header($textwidth, $header_text, $assignment, + $courseidinfo, $name); my $topmargintoinsert = ''; if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} my $fancypagestatement=''; if ($numberofcolumns eq '2') { - $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; + $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}"; } else { - $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; + $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}"; } if ($layout eq 'album') { - $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /; + $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; } elsif ($layout eq 'book') { if ($choice ne 'All class print') { - $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}$fancypagestatement\\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\\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 $topmargintoinsert\\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= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; } if ($papersize eq 'a4') { $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/; @@ -554,9 +1037,13 @@ sub page_cleanup { sub details_for_menu { + my ($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 $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'}); - my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'}); my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); $map=&Apache::lonnet::clutter($map); my $name_of_sequence = &Apache::lonnet::gettitle($map); @@ -564,27 +1051,29 @@ sub details_for_menu { $map =~ m|([^/]+)$|; $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 ($name_of_map =~ /^\s*$/) { - $ENV{'request.course.uri'} =~ m|([^/]+)$|; + $env{'request.course.uri'} =~ m|([^/]+)$|; $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,$result,$selectionmade) = @_; - + my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; - $result =~ s/\$number_of_columns/$number_of_columns/g; - if ($selectionmade ne '1') { - $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\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/; + 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\\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{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; } + $result =~ s/\$number_of_columns/$number_of_columns/g; $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; #-- LaTeX corrections @@ -595,7 +1084,8 @@ sub latex_corrections { $first_comment = index($result,' ELEMENTHTML return $result; } -# If the user didn't select 1 column, skip this state. + sub preprocess { my $self = shift; my $helper = Apache::lonhelper::getHelper(); my $format = $helper->{VARS}->{$self->{'formatvar'}}; - if (substr($format, 2, 1) ne '1') { - $helper->changeState($self->{NEXTSTATE}); + + # If the user does not have 'pav' privilege, set default widths and + # on to the next state right away. + # + if (!$perm{'pav'}) { + my $var = $self->{'variable'}; + my $format = $helper->{VARS}->{$self->{'formatvar'}}; + + my ($laystyle, $cols, $papersize) = split(/\|/, $format); + ($papersize) = split(/ /, $papersize); + + + if ($laystyle eq 'L') { + $laystyle = 'album'; + } else { + $laystyle = 'book'; + } + # Figure out some good defaults for the print out and set them: + + my %size; + ($size{'width'}, + $size{'height'}, + $size{'lmargin'})= + &Apache::lonprintout::page_format($papersize, $laystyle, $cols); + + foreach my $dim ('width', 'height', 'lmargin') { + my ($value, $units) = split(/ /, $size{$dim}); + + $helper->{VARS}->{"$var.".$dim} = $value; + $helper->{VARS}->{"$var.".$dim.'unit'} = $units; + + } + + + # Transition to the next state + + $helper->changeState($self->{NEXTSTATE}); } return 1; @@ -2213,26 +3614,34 @@ sub postprocess { my $var = $self->{'variable'}; my $helper = Apache::lonhelper->getHelper(); - my $width = $helper->{VARS}->{$var .'.width'} = $ENV{"form.${var}.width"}; - my $height = $helper->{VARS}->{$var .'.height'} = $ENV{"form.${var}.height"}; - my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $ENV{"form.${var}.lmargin"}; - $helper->{VARS}->{$var .'.widthunit'} = $ENV{"form.${var}.widthunit"}; - $helper->{VARS}->{$var .'.heightunit'} = $ENV{"form.${var}.heightunit"}; - $helper->{VARS}->{$var .'.lmarginunit'} = $ENV{"form.${var}.lmarginunit"}; + my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; + my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; + my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; + $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; + $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; + $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; my $error = ''; # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed # by an optional period, followed by digits, ending the string - if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { + if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) { $error .= "Invalid width; please type only a number.
\n"; } - if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { + if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) { $error .= "Invalid height; please type only a number.
\n"; } - if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { + if ($lmargin !~ /^-?[0-9]*(\.[0-9]*)?$/) { $error .= "Invalid left margin; please type only a number.
\n"; + } else { + # Adjust for LaTeX 1.0 inch margin: + + if ($env{"form.${var}.lmarginunit"} eq "in") { + $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1; + } else { + $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54; + } } if (!$error) {