--- loncom/interface/lonprintout.pm 2003/02/07 19:47:48 1.112 +++ loncom/interface/lonprintout.pm 2006/08/03 00:26:39 1.475 @@ -1,7 +1,8 @@ +# # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.112 2003/02/07 19:47:48 sakharuk Exp $ +# $Id: lonprintout.pm,v 1.475 2006/08/03 00:26:39 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,17 +26,6 @@ # # 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; @@ -49,1313 +39,3144 @@ use Apache::grades; use Apache::edit; use Apache::File(); use Apache::lonnavmaps; +use Apache::lonratedt; use POSIX qw(strftime); -use GDBM_File; +use Apache::lonlocal; +use Carp; +use lib '/home/httpd/lib/perl/'; +use LONCAPA; + +my %perm; +my %parmhash; +my $resources_printed; + + +# Format a header according to a format. +# + +# Substitutions: +# %a - Assignment name. +# %c - Course name. +# %n - Student name. +# +sub format_page_header { + my ($format, $assignment, $course, $student) = @_; + + # Default format? + + if ($format eq '') { + $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; + + } else { + $format =~ s/%a/$assignment/g; + $format =~ s/%c/$course/g; + $format =~ s/%n/$student/g; + } + + return $format; + +} -my %hash; -my $LaTeXwidth = 0; +# +# Convert a numeric code to letters +# +sub num_to_letters { + my ($num) = @_; + my @nums= split('',$num); + my @num_to_let=('A'..'Z'); + my $word; + foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } + return $word; +} +# Convert a letter code to numeric. +# +sub letters_to_num { + my ($letters) = @_; + my @letters = split('', uc($letters)); + my %substitution; + my $digit = 0; + foreach my $letter ('A'..'J') { + $substitution{$letter} = $digit; + $digit++; + } + # The substitution is done as below to preserve leading + # zeroes which are needed to keep the code size exact + # + my $result =""; + foreach my $letter (@letters) { + $result.=$substitution{$letter}; + } + return $result; +} -sub headerform { - my $r = shift; - $r->print(< - -LON-CAPA output for printing - - -
-ENDHEADER +# Determine if a code is a valid numeric code. Valid +# numeric codes must be comprised entirely of digits and +# have a correct number of digits. +# +# Parameters: +# value - proposed code value. +# num_digits - Number of digits required. +# +sub is_valid_numeric_code { + my ($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 = $num_letters)"; + } + return undef; +} - if ($ENV{'form.postdata'}=~m|^/res/|) { - $r->print(<Path to current document: $ENV{'form.postdata'}

-ENDHEADER1 +# 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. -sub menu_for_output { - my $r = shift; - my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu; - my $assignment = $title_for_sequence; - if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';} - if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';} - if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';} - $ENV{'form.postdata'} =~ s|http://[^/]+||; - my $subdir_to_print = $ENV{'form.postdata'}; - $subdir_to_print =~ m/\/([^\/]+)$/; - $subdir_to_print =~ s/\Q$1\E//; - $r->print(<What do you want to print? Make a choice.
- - - - Current document $title_for_single_resource -(prints what you just saw on the screen)
-ENDMENUOUT1 - if ($ENV{'form.postdata'}=~/\/res\//) { - $r->print(< Problem(s) from $title_for_sequence
- Problem(s) plus page(s) or html/xml file(s) from $title_for_sequence
-ENDMENUOUT2 - } - if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) { - $r->print(< All problems in this course (warning: this may be time consuming)
-
- All problems from $title_for_sequence for selected students

-ENDMENUOUT6 + 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; } - my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); - $subdirtoprint =~ s/\/[^\/]+$//; - if ((&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') and ($ENV{'form.postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) { - $r->print(< Problems from current subdirectory $subdir_to_print
-ENDMENUOUT4 - } - $r->print(<


-

And what page format do you prefer?

- - - - - - - -
- Landscape
- Portrait
- 		  - Number of columns: - - Paper size (format [width x height]): -
-
- -ENDMENUOUT5 + # 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 $helper = shift; -sub sequence_content_menu { - my ($key_to,$r) = @_; - my $primary_sequence; - my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); - my @sequence = split('___',$symbolic); - if ($sequence[0]=~/^uploaded/) {$primary_sequence = '/'.$sequence[0];} - else {$primary_sequence = '/res/'.$sequence[0];} - my @master_seq = &coming_from_hash($primary_sequence); - my @titles_master_seq = (); - for (my $i=0;$i<=$#master_seq;$i++) { - my ($path,$title,$symb) = split /&&/,$master_seq[$i]; - $master_seq[$i] = $path.'&&'.$symb; - push @titles_master_seq, $title; - } - my @master_seq_view = @master_seq; - if ($ENV{'user.adv'}) { - for (my $i=0;$i<=$#master_seq_view;$i++) { - $master_seq_view[$i]=~/___\d+___(.+)$/; - $master_seq_view[$i]='/'.$1; - } + 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 { - for (my $i=0;$i<=$#master_seq_view;$i++) { - $master_seq_view[$i]=' '; - } - } - $r->print(< - - - - - -

Mark item(s) which you want to print

- -DDD=$#titles_master_seq $titles_master_seq[0]
-  -  - -

-ENDMENUOUT1 - my $inc=0; - for (my $i=0;$i<=$#master_seq_view;$i++) { - if ($key_to==1 && $master_seq[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { - $r->print('
'."\n".''. - $titles_master_seq[$i].'   '.$master_seq_view[$i].''); - $inc++; - } elsif ($key_to==0 && $master_seq[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) { - $r->print('
'."\n".''. - $titles_master_seq[$i].'   '.$master_seq_view[$i].''); - $inc++; - } - } - $r->print(<
- - -  -  - -ENDMENUOUT2 +} +sub character_chart { + my $result = shift; + $result =~ s/&\#0?0?(7|9);//g; + $result =~ s/&\#0?(10|13);//g; + $result =~ s/&\#0?32;/ /g; + $result =~ s/&\#0?33;/!/g; + $result =~ s/&(\#0?34|quot);/\"/g; + $result =~ s/&\#0?35;/\\\#/g; + $result =~ s/&\#0?36;/\\\$/g; + $result =~ s/&\#0?37;/\\%/g; + $result =~ s/&(\#0?38|amp);/\\&/g; + $result =~ s/&\#(0?39|146);/\'/g; + $result =~ s/&\#0?40;/(/g; + $result =~ s/&\#0?41;/)/g; + $result =~ s/&\#0?42;/\*/g; + $result =~ s/&\#0?43;/\+/g; + $result =~ s/&\#(0?44|130);/,/g; + $result =~ s/&\#0?45;/-/g; + $result =~ s/&\#0?46;/\./g; + $result =~ s/&\#0?47;/\//g; + $result =~ s/&\#0?48;/0/g; + $result =~ s/&\#0?49;/1/g; + $result =~ s/&\#0?50;/2/g; + $result =~ s/&\#0?51;/3/g; + $result =~ s/&\#0?52;/4/g; + $result =~ s/&\#0?53;/5/g; + $result =~ s/&\#0?54;/6/g; + $result =~ s/&\#0?55;/7/g; + $result =~ s/&\#0?56;/8/g; + $result =~ s/&\#0?57;/9/g; + $result =~ s/&\#0?58;/:/g; + $result =~ s/&\#0?59;/;/g; + $result =~ s/&(\#0?60|lt|\#139);/\$<\$/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; + $result =~ s/&\#0?67;/C/g; + $result =~ s/&\#0?68;/D/g; + $result =~ s/&\#0?69;/E/g; + $result =~ s/&\#0?70;/F/g; + $result =~ s/&\#0?71;/G/g; + $result =~ s/&\#0?72;/H/g; + $result =~ s/&\#0?73;/I/g; + $result =~ s/&\#0?74;/J/g; + $result =~ s/&\#0?75;/K/g; + $result =~ s/&\#0?76;/L/g; + $result =~ s/&\#0?77;/M/g; + $result =~ s/&\#0?78;/N/g; + $result =~ s/&\#0?79;/O/g; + $result =~ s/&\#0?80;/P/g; + $result =~ s/&\#0?81;/Q/g; + $result =~ s/&\#0?82;/R/g; + $result =~ s/&\#0?83;/S/g; + $result =~ s/&\#0?84;/T/g; + $result =~ s/&\#0?85;/U/g; + $result =~ s/&\#0?86;/V/g; + $result =~ s/&\#0?87;/W/g; + $result =~ s/&\#0?88;/X/g; + $result =~ s/&\#0?89;/Y/g; + $result =~ s/&\#0?90;/Z/g; + $result =~ s/&\#0?91;/[/g; + $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; + $result =~ s/&\#0?93;/]/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; + $result =~ s/&\#0?98;/b/g; + $result =~ s/&\#0?99;/c/g; + $result =~ s/&\#100;/d/g; + $result =~ s/&\#101;/e/g; + $result =~ s/&\#102;/f/g; + $result =~ s/&\#103;/g/g; + $result =~ s/&\#104;/h/g; + $result =~ s/&\#105;/i/g; + $result =~ s/&\#106;/j/g; + $result =~ s/&\#107;/k/g; + $result =~ s/&\#108;/l/g; + $result =~ s/&\#109;/m/g; + $result =~ s/&\#110;/n/g; + $result =~ s/&\#111;/o/g; + $result =~ s/&\#112;/p/g; + $result =~ s/&\#113;/q/g; + $result =~ s/&\#114;/r/g; + $result =~ s/&\#115;/s/g; + $result =~ s/&\#116;/t/g; + $result =~ s/&\#117;/u/g; + $result =~ s/&\#118;/v/g; + $result =~ s/&\#119;/w/g; + $result =~ s/&\#120;/x/g; + $result =~ s/&\#121;/y/g; + $result =~ s/&\#122;/z/g; + $result =~ s/&\#123;/\\{/g; + $result =~ s/&\#124;/\|/g; + $result =~ s/&\#125;/\\}/g; + $result =~ s/&\#126;/\~/g; + $result =~ s/&\#131;/\\textflorin /g; + $result =~ s/&\#132;/\"/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;/\\ensuremath\{\\bullet\}/g; + $result =~ s/&\#150;/--/g; + $result =~ s/&\#151;/---/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/&(\#161|iexcl);/!\`/g; + $result =~ s/&(\#162|cent);/\\textcent /g; + $result =~ s/&(\#163|pound);/\\pounds /g; + $result =~ s/&(\#164|curren);/\\textcurrency /g; + $result =~ s/&(\#165|yen);/\\textyen /g; + $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; + $result =~ s/&(\#167|sect);/\\textsection /g; + $result =~ s/&(\#168|uml);/\\texthighdieresis /g; + $result =~ s/&(\#169|copy);/\\copyright /g; + $result =~ s/&(\#170|ordf);/\\textordfeminine /g; + $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; + $result =~ s/&(\#173|shy);/ - /g; + $result =~ s/&(\#174|reg);/\\textregistered /g; + $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; + $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; + $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; + $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; + $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; + $result =~ s/&(\#180|acute);/\\textacute /g; + $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; + $result =~ s/&(\#182|para);/\\P/g; + $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; + $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; + $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; + $result =~ s/&(\#186|ordm);/\\textordmasculine /g; + $result =~ s/&(\#188|frac14);/\\textonequarter /g; + $result =~ s/&(\#189|frac12);/\\textonehalf /g; + $result =~ s/&(\#190|frac34);/\\textthreequarters /g; + $result =~ s/&(\#191|iquest);/?\`/g; + $result =~ s/&(\#192|Agrave);/\\\`{A}/g; + $result =~ s/&(\#193|Aacute);/\\\'{A}/g; + $result =~ s/&(\#194|Acirc);/\\^{A}/g; + $result =~ s/&(\#195|Atilde);/\\~{A}/g; + $result =~ s/&(\#196|Auml);/\\\"{A}/g; + $result =~ s/&(\#197|Aring);/{\\AA}/g; + $result =~ s/&(\#198|AElig);/{\\AE}/g; + $result =~ s/&(\#199|Ccedil);/\\c{c}/g; + $result =~ s/&(\#200|Egrave);/\\\`{E}/g; + $result =~ s/&(\#201|Eacute);/\\\'{E}/g; + $result =~ s/&(\#202|Ecirc);/\\^{E}/g; + $result =~ s/&(\#203|Euml);/\\\"{E}/g; + $result =~ s/&(\#204|Igrave);/\\\`{I}/g; + $result =~ s/&(\#205|Iacute);/\\\'{I}/g; + $result =~ s/&(\#206|Icirc);/\\^{I}/g; + $result =~ s/&(\#207|Iuml);/\\\"{I}/g; + $result =~ s/&(\#209|Ntilde);/\\~{N}/g; + $result =~ s/&(\#210|Ograve);/\\\`{O}/g; + $result =~ s/&(\#211|Oacute);/\\\'{O}/g; + $result =~ s/&(\#212|Ocirc);/\\^{O}/g; + $result =~ s/&(\#213|Otilde);/\\~{O}/g; + $result =~ s/&(\#214|Ouml);/\\\"{O}/g; + $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; + $result =~ s/&(\#216|Oslash);/{\\O}/g; + $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; + $result =~ s/&(\#218|Uacute);/\\\'{U}/g; + $result =~ s/&(\#219|Ucirc);/\\^{U}/g; + $result =~ s/&(\#220|Uuml);/\\\"{U}/g; + $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; + $result =~ s/&(\#223|szlig);/{\\ss}/g; + $result =~ s/&(\#224|agrave);/\\\`{a}/g; + $result =~ s/&(\#225|aacute);/\\\'{a}/g; + $result =~ s/&(\#226|acirc);/\\^{a}/g; + $result =~ s/&(\#227|atilde);/\\~{a}/g; + $result =~ s/&(\#228|auml);/\\\"{a}/g; + $result =~ s/&(\#229|aring);/{\\aa}/g; + $result =~ s/&(\#230|aelig);/{\\ae}/g; + $result =~ s/&(\#231|ccedil);/\\c{c}/g; + $result =~ s/&(\#232|egrave);/\\\`{e}/g; + $result =~ s/&(\#233|eacute);/\\\'{e}/g; + $result =~ s/&(\#234|ecirc);/\\^{e}/g; + $result =~ s/&(\#235|euml);/\\\"{e}/g; + $result =~ s/&(\#236|igrave);/\\\`{i}/g; + $result =~ s/&(\#237|iacute);/\\\'{i}/g; + $result =~ s/&(\#238|icirc);/\\^{i}/g; + $result =~ s/&(\#239|iuml);/\\\"{i}/g; + $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; + $result =~ s/&(\#241|ntilde);/\\~{n}/g; + $result =~ s/&(\#242|ograve);/\\\`{o}/g; + $result =~ s/&(\#243|oacute);/\\\'{o}/g; + $result =~ s/&(\#244|ocirc);/\\^{o}/g; + $result =~ s/&(\#245|otilde);/\\~{o}/g; + $result =~ s/&(\#246|ouml);/\\\"{o}/g; + $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; + $result =~ s/&(\#248|oslash);/{\\o}/g; + $result =~ s/&(\#249|ugrave);/\\\`{u}/g; + $result =~ s/&(\#250|uacute);/\\\'{u}/g; + $result =~ s/&(\#251|ucirc);/\\^{u}/g; + $result =~ s/&(\#252|uuml);/\\\"{u}/g; + $result =~ s/&(\#253|yacute);/\\\'{y}/g; + $result =~ s/&(\#255|yuml);/\\\"{y}/g; + $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; + $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; +#Greek Alphabet + $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; + $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; + $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; + $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; + $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; + $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; + $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; + $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; + $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; + $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; + $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; + $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; + $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; + $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; + $result =~ s/&(omicron|\#959);/o/g; + $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; + $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; + $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; + $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; + $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; + $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; + $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; + $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; + $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; + $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; + $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; + $result =~ s/&(Alpha|\#913);/A/g; + $result =~ s/&(Beta|\#914);/B/g; + $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; + $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; + $result =~ s/&(Epsilon|\#917);/E/g; + $result =~ s/&(Zeta|\#918);/Z/g; + $result =~ s/&(Eta|\#919);/H/g; + $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; + $result =~ s/&(Iota|\#921);/I/g; + $result =~ s/&(Kappa|\#922);/K/g; + $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; + $result =~ s/&(Mu|\#924);/M/g; + $result =~ s/&(Nu|\#925);/N/g; + $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; + $result =~ s/&(Omicron|\#927);/O/g; + $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; + $result =~ s/&(Rho|\#929);/P/g; + $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; + $result =~ s/&(Tau|\#932);/T/g; + $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; + $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; + $result =~ s/&(Chi|\#935);/X/g; + $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; + $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; +#Arrows (extended HTML 4.01) + $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; + $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; + $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; + $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; + $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; + $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; + $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; + $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; + $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; + $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; +#Mathematical Operators (extended HTML 4.01) + $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; + $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; + $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; + $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; + $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; + $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; + $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; + $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; + $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; + $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; + $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; + $result =~ s/–/\\ensuremath\{-\}/g; + $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; + $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; + $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; + $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; + $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; + $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; + $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; + $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; + $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; + $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; + $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; + $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; + $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; + $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; + $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; + $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; + $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; + $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; + $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; + $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; + $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; + $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; + $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; + $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; + $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; + $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; +#Geometric Shapes (extended HTML 4.01) + $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; +#Miscellaneous Symbols (extended HTML 4.01) + $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; + $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; + $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; + $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; + return $result; } -sub problem_choice_menu { - my $r = shift; - my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); - $subdirtoprint =~ s/\/[^\/]+$//; - my @list_of_files = (); - my @content_directory = (); - if ($subdirtoprint =~ m|/home/([^/]+)/public_html|) { - #localmachine CSTR space - my $user=$1; - my $domain=$Apache::lonnet::perlvar{'lonDefDomain'}; - @content_directory = &Apache::lonnet::dirlist($subdirtoprint, - $domain, $user,''); - } else { - #local library server res space (allows to print only from the own library server) - @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},''); + #width, height, oddsidemargin, evensidemargin, topmargin +my %page_formats= + ('letter' => { + 'book' => { + '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'], + '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'] + }, + 'album' => { + '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.83 in','1 cm'], + '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in'] + }, + }, + 'legal' => { + 'book' => { + '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], + '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in'] + }, + 'album' => { + '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], + '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] + }, + }, + 'tabloid' => { + 'book' => { + '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'], + '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] + }, + 'album' => { + '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], + '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] + }, + }, + 'executive' => { + 'book' => { + '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'], + '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in'] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a2' => { + 'book' => { + '1' => [], + '2' => [] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a3' => { + 'book' => { + '1' => [], + '2' => [] + }, + 'album' => { + '1' => [], + '2' => [] + }, + }, + 'a4' => { + 'book' => { + '1' => ['17.6 cm','27.2 cm','-0.55 in','-0.83 in','-0.5 in'], + '2' => [ '9.1 cm','27.2 cm','-0.55 in','-0.83 in','-0.5 in'] + }, + 'album' => { + '1' => ['8.5 in','7.7 in','-0.55 in','-0.83 in','0 in'], + '2' => ['3.9 in','7.7 in','-0.55 in','-0.83 in','0 in'] + }, + }, + '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]", +# "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) = @_; + return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; +} + + +sub get_name { + my ($uname,$udom)=@_; + if (!defined($uname)) { $uname=$env{'user.name'}; } + if (!defined($udom)) { $udom=$env{'user.domain'}; } + my $plainname=&Apache::loncommon::plainname($uname,$udom); + if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } + $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); + return $plainname; +} + +sub get_course { + my $courseidinfo; + if (defined($env{'request.course.id'})) { + $courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header'); } - for (my $iy=0;$iy<=$#content_directory;$iy++) { - my @tempo_array = split(/&/,$content_directory[$iy]); - if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) { - push(@list_of_files,$tempo_array[0]); - } - } - $subdirtoprint =~ s/\/$//; - for (my $i=0;$i<=$#list_of_files;$i++) { - $list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i]; - } - $r->print(< - - - -

Mark problems which you want to print

- -  -  - -

-ENDMENUOUT1 - my $i=0; - foreach my $file (sort @list_of_files) { - $r->print('
'. - $file); - $i++; + if ($layout eq 'album') { + $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; + } elsif ($layout eq 'book') { + if ($choice ne 'All class print') { + $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; + } else { + $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})/$1\\special{papersize=210mm,297mm}/; + } + } + if ($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/; } - $r->print(<
- - - -  -  - -ENDMENUOUT2 + return $text; } -sub additional_class_menu { - my $r = shift; - $r->print(< - - - - -

Select student(s) whose assignment you want to print

-ENDMENUOUT1 - my %courselist=&Apache::lonnet::dump( - 'classlist', - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); - my $now=time; - $r->print(< - function checkall() { - for (i=0; i{VARS}{'postdata'}; } + my $name_of_resource = &Apache::lonnet::gettitle($postdata); + my $symbolic = &Apache::lonnet::symbread($postdata); + my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); + $map=&Apache::lonnet::clutter($map); + my $name_of_sequence = &Apache::lonnet::gettitle($map); + if ($name_of_sequence =~ /^\s*$/) { + $map =~ m|([^/]+)$|; + $name_of_sequence = $1; } + my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); + if ($name_of_map =~ /^\s*$/) { + $env{'request.course.uri'} =~ m|([^/]+)$|; + $name_of_map = $1; + } + return ($name_of_resource,$name_of_sequence,$name_of_map); +} - function uncheckall() { - for (i=0; i -  - -  - -

-ENDDISHEADER - my $i = 0; - foreach (sort keys %courselist) { - my ($end,$start)=split(/\:/,$courselist{$_}); - my $active=1; - if (($end) && ($now>$end)) { $active=0; } - if ($active) { - my ($sname,$sdom)=split(/\:/,$_); - my %reply=&Apache::lonnet::get('environment', - ['firstname','middlename','lastname','generation'], - $sdom,$sname); - my $section=&Apache::lonnet::usection - ($sdom,$sname,$ENV{'request.course.id'}); - $r->print( - '
'. - $reply{'firstname'}.' '. - $reply{'middlename'}.' '. - $reply{'lastname'}.' '. - $reply{'generation'}. - ' ('.$_.') '.$section); - $i++; - } + $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; + $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; +#-- LaTeX corrections + my $first_comment = index($result,'',$first_comment); + substr($result,$first_comment,$end_comment-$first_comment+3) = ''; + $first_comment = index($result,'',$first_comment); - substr($result,$first_comment,$end_comment-$first_comment+3) = ''; - $first_comment = index($result,' + +ELEMENTHTML return $result; } -sub handler { +sub preprocess { + my $self = shift; + my $helper = Apache::lonhelper::getHelper(); + + my $format = $helper->{VARS}->{$self->{'formatvar'}}; + + # If the user does not have 'pav' privilege, set default widths and + # on to the next state right away. + # + if (!$perm{'pav'}) { + my $var = $self->{'variable'}; + my $format = $helper->{VARS}->{$self->{'formatvar'}}; + + my ($laystyle, $cols, $papersize) = split(/\|/, $format); + ($papersize) = split(/ /, $papersize); + + + if ($laystyle eq 'L') { + $laystyle = 'album'; + } else { + $laystyle = 'book'; + } + # Figure out some good defaults for the print out and set them: + + my %size; + ($size{'width'}, + $size{'height'}, + $size{'lmargin'})= + &Apache::lonprintout::page_format($papersize, $laystyle, $cols); + + foreach my $dim ('width', 'height', 'lmargin') { + my ($value, $units) = split(/ /, $size{$dim}); + + $helper->{VARS}->{"$var.".$dim} = $value; + $helper->{VARS}->{"$var.".$dim.'unit'} = $units; + + } + - my $r = shift; + # Transition to the next state + + $helper->changeState($self->{NEXTSTATE}); + } + + return 1; +} - my $loaderror=&Apache::lonnet::overloaderror($r); - if ($loaderror) { return $loaderror; } - $loaderror= - &Apache::lonnet::overloaderror($r, - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); - if ($loaderror) { return $loaderror; } +sub postprocess { + my $self = shift; - $r->content_type('text/html'); - $r->send_http_header; - $r->print(&Apache::loncommon::bodytag("Printing")); + my $var = $self->{'variable'}; + my $helper = Apache::lonhelper->getHelper(); + my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; + my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; + my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; + $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; + $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; + $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; + + my $error = ''; + + # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed + # by an optional period, followed by digits, ending the string - if ($ENV{'request.course.id'}) { - my $fn=$ENV{'request.course.fn'}; - tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640); - } - -#-- start form - &headerform($r); -#-- menu for output - unless ($ENV{'form.phase'}) { - &menu_for_output($r); - } -#-- additional menu for class printing - if ($ENV{'form.phase'} eq 'two') { - if($ENV{'form.choice'} eq 'Standard LaTeX output for whole primary sequence') { - &sequence_content_menu(0,$r); - } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') { - &sequence_content_menu(1,$r); - } elsif($ENV{'form.choice'} eq 'All class print') { - &additional_class_menu($r); - } elsif($ENV{'form.choice'} eq 'Subdirectory print') { - &problem_choice_menu($r); - } else { - $ENV{'form.phase'} = 'three'; - } - } -#-- additional menu for page layout (one column case) - if ($ENV{'form.phase'} eq 'three') { - if($ENV{'form.numberofcolumns'} == 1) { - &additional_print_menu($r); + if ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) { + $error .= "Invalid width; please type only a number.
\n"; + } + if ($height !~ /^-?[0-9]*(\.[0-9]*)?$/) { + $error .= "Invalid height; please type only a number.
\n"; + } + if ($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 { - $ENV{'form.phase'} = 'four'; + $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54; } } -#-- core part - if ($ENV{'form.phase'} eq 'four') { - &output_data($r); - } - untie %hash; - return OK; - -} + + if (!$error) { + Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); + return 1; + } else { + $self->{ERROR_MSG} = $error; + return 0; + } +} + -1; __END__ 500 Internal Server Error

Internal Server Error

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