--- loncom/interface/lonprintout.pm 2002/09/09 19:27:42 1.57 +++ loncom/interface/lonprintout.pm 2005/12/06 15:01:45 1.402 @@ -1,7 +1,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.57 2002/09/09 19:27:42 sakharuk Exp $ +# $Id: lonprintout.pm,v 1.402 2005/12/06 15:01:45 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,17 +25,6 @@ # # 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; @@ -48,926 +37,2806 @@ use Apache::inputtags; use Apache::grades; use Apache::edit; use Apache::File(); +use Apache::lonnavmaps; +use Apache::lonratedt; use POSIX qw(strftime); +use Apache::lonlocal; +my %perm; -sub headerform { - my $r = shift; - $r->print(< - -LON-CAPA output for printing - - -
-$ENV{'form.postdata'}

-ENDHEADER +# +# 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; +} -sub menu_for_output { - my $r = shift; - $r->print(<What do you want to print? Make a choice.
- - - Current document -(you will print what you see on the screen)
-ENDMENUOUT1 - if ((not $ENV{'request.role'}=~m/^au\./) and (not $ENV{'request.role'}=~m/^ca\./)) { - $r->print(< All problems from the primary sequence
- The whole primary sequence (problems plus all html and xml files)
- All problems from the top level sequence
-
-ENDMENUOUT2 +# Determine if a code entered by the user in a helper is valid. +# valid depends on the code type and the type of code selected. +# The type of code selected can either be numeric or +# Alphabetic. If alphabetic, the code, in fact is a simple +# substitution cipher for the actual numeric code: 0->A, 1->B ... +# We'll be nice and be case insensitive for alpha codes. +# Parameters: +# code_value - the value of the code the user typed in. +# code_option - The code type selected from the set in the scantron format +# table. +# Returns: +# undef - The code is valid. +# other - An error message indicating what's wrong. +# +sub is_code_valid { + my ($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') { + $code_type = 'number'; + } + } } - if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) { - $r->print(< Print assignment (all problems from the primary sequence) for group of students

-ENDMENUOUT6 - } - my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'}); - $subdirtoprint =~ s/\/[^\/]+$//; - if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') { - $r->print(< All problems from current subdirectory (where this particular problem is)
-ENDMENUOUT4 - } - $r->print(<


-

And what page format do you prefer?

- - - - - - -
- Landscape
- Portrait
- 		  - Number of columns: -
-
- -ENDMENUOUT5 + 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 additional_class_menu { - my $r = shift; - $r->print(< - - - -

Mark students which assignments 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(< - -  - -  - -

-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++; - } + return $courseidinfo; +} + +sub page_format_transformation { + my ($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'; + } else { + $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); } - $r->print(< - - - -ENDMENUOUT2 + ($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 $topmargintoinsert = ''; + if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} + my $fancypagestatement=''; + if ($numberofcolumns eq '2') { + $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; + } else { + $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; + } + 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 .= ''; - } - $r->print(< - - - - -Define page 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 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); + 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 latex_corrections { + + my ($number_of_columns,$result,$selectionmade) = @_; + +# $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/; + } 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{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,'