--- loncom/interface/lonprintout.pm 2003/01/13 21:20:51 1.104 +++ loncom/interface/lonprintout.pm 2008/03/24 00:03:05 1.519.2.2 @@ -1,7 +1,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.104 2003/01/13 21:20:51 sakharuk Exp $ +# $Id: lonprintout.pm,v 1.519.2.2 2008/03/24 00:03:05 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -22,20 +22,8 @@ # 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; @@ -49,1302 +37,3621 @@ use Apache::grades; use Apache::edit; use Apache::File(); use Apache::lonnavmaps; +use Apache::admannotations; +use Apache::lonenc; +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 %hash; -my $LaTeXwidth = 0; +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). -sub headerform { - my $r = shift; - $r->print(< - -LON-CAPA output for printing - - -
-ENDHEADER +# +# Our ssi max retry count. +# + +my $ssi_retry_count = 5; # Some arbitrary value. - if ($ENV{'form.postdata'}=~m|^/res/|) { - $r->print(<Path to current document: $ENV{'form.postdata'}

-ENDHEADER1 + + +# 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) = @_; -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 $annotation_text = &Apache::admannotations::get_annotation($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"; } - 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 + return $result; } -sub sequence_content_menu { - my ($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($primary_sequence,$sequence[0]); - my @master_seq_view = sort @master_seq; - @master_seq = sort @master_seq; - for (my $i=0;$i<=$#master_seq_view;$i++) { - $master_seq_view[$i]=~/\/([^\/]+)$/; - $master_seq_view[$i]=$1; - } - $r->print(< - - - - - -

Mark item(s) which you want to print

- -  - -

-ENDMENUOUT1 - my $inc=0; - for (my $i=0;$i<=$#master_seq_view;$i++) { - if ($key_to==1 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { - $r->print('
'."\n". - $master_seq_view[$i]); - $inc++; - } elsif ($key_to==0 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) { - $r->print('
'. - $master_seq_view[$i]); - $inc++; - } + + # 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!!! + + } - $r->print(< - - - -ENDMENUOUT2 + + 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; +} -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, $user,''); +# Determine if a code is a valid numeric code. Valid +# numeric codes must be comprised entirely of digits and +# have a correct number of digits. +# +# Parameters: +# value - proposed code value. +# num_digits - Number of digits required. +# +sub is_valid_numeric_code { + my ($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, $code_length); } else { - @content_directory = &Apache::lonnet::dirlist($subdirtoprint); + return &is_valid_alpha_code($code_value, $code_length); } - 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); - $i++; + if($f1 gt $f2) { + return 1; } - $r->print(< - - - - -ENDMENUOUT2 + + # 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!!!! -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\}/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|\#8211);/--/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; +# 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 { +# +#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'); } + return $courseidinfo; +} - 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); - $i++; - } + ($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') { + $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}"; + } else { + $fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}"; } - $r->print(<Number of blank pages to add: -
- - - - -ENDMENUOUT2 + if ($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/; + } + return $text; } -sub additional_print_menu { - my $r = shift; - my $what_to_print = ''; - for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) { - $what_to_print .= ''; - } - for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) { - $what_to_print .= ''; - } - for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) { - $what_to_print .= ''; - } - $r->print(< - - - - - - - - - -Define one column layout parameters:
-Width:
-Height:
-Left margin:
- - - - - -ENDMENUOUT +sub page_cleanup { + my $result = shift; + + $result =~ m/\\end{document}(\d*)$/; + my $number_of_columns = $1; + my $insert = '{'; + for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } + $insert .= '}'; + $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; + $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; + return $result,$number_of_columns; } -sub output_data { - my $r = shift; - $r->print(< - -LON-CAPA output for printing - - -

-ENDPART +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 ( $symbolic eq ''); + + my ($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); +} + +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"; - my $choice = $ENV{'form.choice'}; - my $layout = $ENV{'form.layout'}; - my $numberofcolumns = $ENV{'form.numberofcolumns'}; - my $papersize = $ENV{'form.papersize'}; - my $laystyle = 'book'; - my $assignment = $ENV{'form.assignment'}; - if ($choice eq 'Subdirectory print') { - if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';} - if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';} - if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;} - } - if (($choice eq 'Standard LaTeX output for current document') && - ($ENV{'form.url'}=~m|^/~|)) { - if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';} - if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';} - if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;} +sub latex_corrections { + 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/; } - my $result = ''; - my $number_of_columns = 1; #used only for pages to determine the width of the cell - my $selectionmade = ''; - my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns); - if ($numberofcolumns == 1) { - $textwidth=$ENV{'form.width'}; - $textheight=$ENV{'form.height'}; + $result =~ s/\$number_of_columns/$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 + 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 - 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; } + $helper->changeState($self->{NEXTSTATE}); + } + + return 1; +} - $r->content_type('text/html'); - $r->send_http_header; - $r->print(&Apache::loncommon::bodytag("Printing")); +sub postprocess { + my $self = shift; - if ($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); + 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 ($width !~ /^-?[0-9]*(\.[0-9]*)?$/) { + $error .= "Invalid width; please type only a number.
\n"; + } + if ($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__