--- loncom/interface/lonprintout.pm 2003/04/30 19:25:47 1.136 +++ loncom/interface/lonprintout.pm 2003/05/02 19:22:20 1.145 @@ -1,7 +1,7 @@ # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.136 2003/04/30 19:25:47 bowersj2 Exp $ +# $Id: lonprintout.pm,v 1.145 2003/05/02 19:22:20 bowersj2 Exp $ # # Copyright Michigan State University Board of Trustees # @@ -1106,7 +1106,86 @@ sub character_chart { # } elsif($papersize=~/A6/) { } return $textwidth,$textheight,$oddoffset,$evenoffset; +} + + +sub page_format_new { +# +#Correspondence between $papersize variable and real paper format: +# 0 - "Letter [8 1/2x11 in]" +# 1 - "Legal [8 1/2x14 in]" +# 2 - "Ledger/Tabloid [11x17 in]" +# 3 - "Executive [7 1/2x10 in]" +# 4 - "A2 [420x594 mm]" +# 5 - "A3 [297x420 mm]" +# 6 - "A4 [210x297 mm]" +# 7 - "A5 [148x210 mm]" +# 8 - "A6 [105x148 mm]" +# + my ($papersize,$layout,$numberofcolumns) = @_; + my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0); + if ($papersize eq '0') { + if ($layout eq 'book') { + if ($numberofcolumns == 1) { + $textwidth = '18 cm'; + $textheight = '25.9 cm'; + $oddoffset = '-0.57 in'; + $evenoffset = '-0.57 in'; + } elsif ($numberofcolumns == 2) { + $textwidth = '93 mm'; + $textheight = '25.9 cm'; + $oddoffset = '-0.57 in'; + $evenoffset = '-0.57 in'; + } + } elsif ($layout eq 'album') { + if ($numberofcolumns eq '1') { + $textwidth = '8.8 in'; + $textheight = '6.8 in'; + $oddoffset = '-40 pt'; + $evenoffset = '-60 pt'; + } elsif ($numberofcolumns == 2) { + $textwidth = '4.2 in'; + $textheight = '6.8 in'; + $oddoffset = '-40 pt'; + $evenoffset = '-60 pt'; + } + } +# } elsif($papersize eq '1') { +# } elsif($papersize eq '2') { +# } elsif($papersize eq '3'/) { + } elsif($papersize eq '6') { + if ($layout eq 'book') { + if ($numberofcolumns == 1) { + $textwidth = '18 cm'; + $textheight = '28 cm'; + $oddoffset = '-0.57 in'; + $evenoffset = '-0.57 in'; + } elsif ($numberofcolumns == 2) { + $textwidth = '96 mm'; + $textheight = '2 cm'; + $oddoffset = '-0.57 in'; + $evenoffset = '-0.57 in'; + } + } elsif ($layout eq 'album') { + if ($numberofcolumns eq '1') { + $textwidth = '8.5 in'; + $textheight = '7.7 in'; + $oddoffset = '-40 pt'; + $evenoffset = '-60 pt'; + } elsif ($numberofcolumns == 2) { + $textwidth = '3.9 in'; + $textheight = '7.7 in'; + $oddoffset = '-40 pt'; + $evenoffset = '-60 pt'; + } + } +# } elsif($papersize eq '5') { +# } elsif($papersize eq '4') { +# } elsif($papersize eq '7') { +# } elsif($papersize eq '8') { } + return $textwidth,$textheight,$oddoffset,$evenoffset; +} sub get_name { @@ -1148,6 +1227,36 @@ sub page_format_transformation { } +sub page_format_transformation_new { + my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_; + my ($textwidth,$textheight,$oddoffset,$evenoffset); + $assignment=~s/_/ /g; + if ($numberofcolumns != 1) { + ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$layout,$numberofcolumns); + } else { + ($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'}); + } + my $name = &get_name(); + if ($name =~ /^\s*$/) { + $name=&Apache::lonxml::latex_special_symbols($ENV{'user.name'},undef, + undef,'header'); + } + my $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'','','header'); + if ($layout eq 'album') { + $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$name}} \\hfill $courseidinfo} \\vskip 5 mm /; + } elsif ($layout eq 'book') { + if ($choice ne 'All class print') { + $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/; + } else { + $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1} \\vskip 5 mm /; + + } + } + return $text; +} + + + sub page_cleanup { my $result = shift; @@ -1218,6 +1327,334 @@ sub latex_corrections { } +sub output_data_new { + my ($r,$helper) = @_; + $r->print(< + +LON-CAPA output for printing + + +
+ENDPART + + my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; + my ($result,$selectionmade) = ('',''); + my $number_of_columns = 1; #used only for pages to determine the width of the cell + my @temporary_array=split /\|/,$format_from_helper; + my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; + if ($laystyle eq 'L') { + $laystyle='album'; + } else { + $laystyle='book'; + } + my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format_new($papersize,$laystyle,$numberofcolumns); + + + + +# 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;} +# } + + +# my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns); +# if ($numberofcolumns == 1) { +# $textwidth=$ENV{'form.width'}; +# $textheight=$ENV{'form.height'}; +# } + my $LaTeXwidth; + if ($textwidth=~/(\d+)\s*cm/) { + $LaTeXwidth = $1*10; + } elsif ($textwidth=~/(\d+)\s*mm/) { + $LaTeXwidth = $1; + } elsif ($textwidth=~/(\d+)\s*in/) { + $LaTeXwidth = $1*25.4; + } + $LaTeXwidth.=' mm'; + + + if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { + #-- single document - problem, page, html, xml, ... + my $currentURL; + if (defined $helper->{'VARS'}->{'url'}) { + $currentURL=$helper->{'VARS'}->{'url'}; + } else { + $currentURL=$helper->{'VARS'}->{'postdata'}; + } + $selectionmade = 1; + if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { + my %moreenv; + $moreenv{'form.grade_target'}='tex'; + if (&Apache::lonnet::allowed('bre',$currentURL)) { + $currentURL=~s/http:\/\/[^\/]+//; + } + $moreenv{'request.filename'}=$currentURL; + $moreenv{'form.textwidth'}=$LaTeXwidth; + &Apache::lonnet::appenv(%moreenv); + my $texversion=&Apache::lonnet::ssi($currentURL); + &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter'); + $result .= $texversion; + if ($currentURL=~m/\.page\s*$/) { + ($result,$number_of_columns) = &page_cleanup($result); + } + } else { +# $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: '; +# if ($ENV{'form.url'}=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { +# $result.=$1; +# } else { +# $result.=$ENV{'form.url'}; +# } +# $result.=' \end{document}' + } + + + } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or + ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or + ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) { + #-- produce an output string + my $flag_latex_header_remove = 'NO'; + my $flag_page_in_sequence = 'NO'; + my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; + +# foreach my $key (@master_seq) { +# $r->print(' '.$key.'
'); +# } +# return OK; + + for (my $i=0;$i<=$#master_seq;$i++) { + $master_seq[$i]=~/___\d+___(.*)$/; + my $urlp='/res/'.$1; + if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { + $selectionmade = 2; + } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { + $selectionmade = 3; + } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { + $selectionmade = 4; + } + my %moreenv; + $moreenv{'form.grade_target'}='tex'; + $moreenv{'form.textwidth'}=$LaTeXwidth; + &Apache::lonnet::appenv(%moreenv); + #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]"); + my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$master_seq[$i])); + &Apache::lonnet::delenv('form.grade_target','form.textwidth'); + if ($urlp=~/\.page$/) { + ($texversion,my $number_of_columns_page) = &page_cleanup($texversion); + if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} + $texversion =~ s/\\end{document}\d*/\\end{document}/; + $flag_page_in_sequence = 'YES'; + } + if ($flag_latex_header_remove ne 'NO') { + $texversion = &latex_header_footer_remove($texversion); + } else { + $texversion =~ s/\\end{document}//; + } + $result .= $texversion; + $flag_latex_header_remove = 'YES'; + } + &Apache::lonnet::delenv('form.counter'); + if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;} + $result .= '\end{document}'; +# } elsif ($choice eq 'Standard LaTeX output for the top level sequence') { +# # where is the main sequence of the course? +# $selectionmade = 4; +# my $main_seq=&Apache::lonnet::clutter($ENV{'request.course.uri'}); +# my @file_seq = &coming_from_hash($main_seq); +# for (my $i=0;$i<=$#file_seq;$i++) { +# my ($path,$title,$symb) = split /&&/,$file_seq[$i]; +# $file_seq[$i] = $path.'&&'.$symb; +# } +# my $flag_latex_header_remove = 'NO'; +# #-- produce an output string +# for (my $i=0;$i<=$#file_seq;$i++) { +# if (not $file_seq[$i]=~/^&&/) { +# my ($urlp,$symb) = split /&&/, $file_seq[$i]; +# $urlp=~s/\/home\/httpd\/html//; +# if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) { +# my %moreenv; +# $moreenv{'form.grade_target'}='tex'; +# $moreenv{'form.textwidth'}=$LaTeXwidth; +# &Apache::lonnet::appenv(%moreenv); +# my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb)); +# &Apache::lonnet::delenv('form.grade_target','form.textwidth'); +# if ($flag_latex_header_remove ne 'NO') { +# $texversion = &latex_header_footer_remove($texversion); +# } else { +# $texversion =~ s/\\end{document}//; +# } +# $result .= $texversion; +# $flag_latex_header_remove = 'YES'; +# } +# } +# } +# $result .= '\end{document}'; +# } elsif ($choice eq 'All class print') { +# #-- prints assignments for whole class or for selected students +# $selectionmade = 5; +# my @students = (); +# for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) { +# if ($ENV{'form.whomtoprint'.$i}=~/:/) { +# push @students,$ENV{'form.whomtoprint'.$i}; +# } +# } +# #where is the primary sequence containing current resource (the same for all students)? +# my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'}); +# my @sequence = split('___',$symbolic); +# my $primary_sequence; +# +# $primary_sequence=&Apache::lonnet::clutter($sequence[0]); +# my @master_seq = &coming_from_hash($primary_sequence); +# for (my $i=0;$i<=$#master_seq;$i++) { +# my ($path,$title,$symb) = split /&&/,$master_seq[$i]; +# $master_seq[$i] = $path.'&&'.$symb; +# } +# #loop over students +# my $flag_latex_header_remove = 'NO'; +# my %moreenv; +# $moreenv{'form.textwidth'}=$LaTeXwidth; +# &Apache::lonnet::appenv(%moreenv); +# my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1); +# foreach my $person (@students) { +# my $current_output = ''; +# my ($usersection,$username,$userdomain) = split /:/,$person; +# my $fullname = &get_name($username,$userdomain); +# #goes through all resources, checks if they are available for current student, and produces output +# foreach my $curresline (@master_seq) { +# my ($curres,$symb) = split /&&/, $curresline; +# if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) { +# my ($map,$id,$res_url) = split(/___/,$symb); +# if (&Apache::lonnet::allowed('bre',$res_url)) { +# my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain, +# $ENV{'request.course.id'},'tex'); +# if ($flag_latex_header_remove eq 'YES') { +# $rendered = &latex_header_footer_remove($rendered); +# } else { +# $rendered =~ s/\\end{document}//; +# } +# $current_output .= $rendered; +# } +# $flag_latex_header_remove = 'YES'; +# } +# } +# my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; +# if ($current_output=~/\\documentclass/) { +# $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\vskip 3 mm /; +# } else { +# my $blanspages = ''; +# for (my $j=0;$j<$ENV{'form.addedpages'};$j++) {$blanspages.='\clearpage\strut\clearpage';} +# $current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}\hskip 1.4in } \vskip 5 mm '.$current_output; +# } +# $result .= $current_output; +# &Apache::lonnet::delenv('form.counter'); +# &Apache::lonxml::init_counter(); +# &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, +# 'last student '.$fullname); +# } +# &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); +# $result .= '\end{document}'; +# &Apache::lonnet::delenv('form.textwidth'); +# } elsif ($choice eq 'Subdirectory print') { +# #prints selected problems from the subdirectory +# $selectionmade = 6; +# my @list_of_files = (); +# for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) { +# if ($ENV{'form.whattoprint'.$i}=~/^\//) { +# push @list_of_files,$ENV{'form.whattoprint'.$i}; +# } +# } +# my $flag_latex_header_remove = 'NO'; +# for (my $i=0;$i<=$#list_of_files;$i++) { +# my $urlp = $list_of_files[$i]; +# if ($urlp=~/\//) { +# my %moreenv; +# $moreenv{'form.grade_target'}='tex'; +# $moreenv{'form.textwidth'}=$LaTeXwidth; +# &Apache::lonnet::appenv(%moreenv); +# if ($urlp =~ m|/home/([^/]+)/public_html|) { +# $urlp =~ s|/home/([^/]*)/public_html|/~$1|; +# } else { +# $urlp =~ s|^/home/httpd/html||; +# } +# my $texversion=&Apache::lonnet::ssi($urlp); +# &Apache::lonnet::delenv('form.grade_target','form.textwidth'); +# #this chunck is responsible for printing the path to problem +# my $newurlp = ''; +# my $HowMany = length($urlp)*2; +# if ($HowMany > $LaTeXwidth) { +# my @temporrary = split '/',$urlp; +# my $HowManyNew = 0; +# for (my $ii=0;$ii<=$#temporrary;$ii++) { +# if ($temporrary[$ii] ne '') { +# $HowManyNew += length($temporrary[$ii])*2; +# if ($HowManyNew < $LaTeXwidth ) { +# $newurlp .= '/'.$temporrary[$ii]; +# } else { +# $HowManyNew = 0; +# $newurlp .= '|\vskip -1 mm \noindent \verb|'; +# $ii--; +# } +# } +# } +# } +# $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/; +# if ($flag_latex_header_remove ne 'NO') { +# $texversion = &latex_header_footer_remove($texversion); +# } else { +# $texversion =~ s/\\end{document}//; +# } +# $result .= $texversion; +# } +# $flag_latex_header_remove = 'YES'; +# } +# $result .= '\end{document}'; + } +#-------------------------------------------------------- corrections for the different page formats + $result = &page_format_transformation_new($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'}); +# if ($layout eq 'CBI') { +# $laystyle = 'album'; +# } + $result = &latex_corrections($number_of_columns,$result); +# #changes page's parameters for the one column output +# if ($ENV{'form.numberofcolumns'} == 1) { +# $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/; +# $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/; +# $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/; +# $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/; +# } +#-- writing .tex file in prtspool + my $temp_file; + my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex"; + unless ($temp_file = Apache::File->new('>'.$filename)) { + $r->log_error("Couldn't open $filename for output $!"); + return SERVER_ERROR; + } + print $temp_file $result; + +# +$r->print(< + + +FINALEND +} + + + sub handler { my $r = shift; @@ -1230,8 +1667,24 @@ sub handler { return $result; } $helper = $result; - } + + +# my $key; +# foreach $key (keys %{$helper->{'VARS'}}) { +# $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'
'); +# } +# return OK; + + + &output_data_new($r,$helper); + + + + + + return OK; + } my $loaderror=&Apache::lonnet::overloaderror($r); if ($loaderror) { return $loaderror; } $loaderror= @@ -1324,17 +1777,19 @@ sub printHelper { # This will persistently load in the data we want from the # very first screen. - if (defined($ENV{'form.symb'})) { - $helper->{VARS}->{'symb'} = $ENV{'form.symb'}; - } if (defined($ENV{'form.postdata'})) { $helper->{VARS}->{'postdata'} = $ENV{'form.postdata'}; } + if (defined($ENV{'form.symb'})) { + $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); + } if (defined($ENV{'form.url'})) { - $helper->{VARS}->{'url'} = $ENV{'form.url'}; + $helper->{VARS}->{'url'} = $helper->{VARS}->{'postdata'}; } my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu; + $helper->{VARS}->{'assignment'} = $sequenceTitle; + if (!$resourceTitle) { # if the resource doesn't have a title, use the filename my $url = $helper->{VARS}->{'postdata'}; $resourceTitle = substr($url, rindex($url, '/') + 1); @@ -1366,7 +1821,7 @@ sub printHelper { my $paramHash; # We can always print the current screen. - push @{$printChoices}, ["$resourceTitle (exactly what was on the screen)", 'current_document', 'FINAL']; + push @{$printChoices}, ["$resourceTitle (exactly what was on the screen)", 'current_document', 'PAGESIZE']; # If we're in a sequence... if ($helper->{VARS}->{'postdata'} =~ /\/res\//) { @@ -1382,10 +1837,9 @@ sub printHelper { my $helperFragment = < Select problems to print: - - FINAL - return $isProblemOrMap - return $isProblem + + PAGESIZE + return $isProblem $map return $symb @@ -1393,9 +1847,9 @@ sub printHelper { Select resources to print: - - FINAL - return $isNotMap; + + PAGESIZE + return $isNotMap; $map return $symb @@ -1418,7 +1872,7 @@ HELPERFRAGMENT Select problems to print: - FINAL + PAGESIZE return $isProblemOrMap return $isProblem return $symb @@ -1427,7 +1881,7 @@ HELPERFRAGMENT Select the students you wish to print the problems for: - + CHOOSE_STUDENTS } @@ -1437,17 +1891,22 @@ CHOOSE_STUDENTS push @{$printChoices}, ["Problems from $subdir", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; my $f = '$filename'; - &Apache::lonxml::xmlparse($r, 'helper', < Select problems you wish to print from $subdir - - FINAL - $subdir - return $f =~ + + PAGESIZE + return '$subdir'; +CHOOSE_FROM_SUBDIR + + $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; + return $filename =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/; + CHOOSE_FROM_SUBDIR + &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); } # Generate the first state, to select which resources get printed. @@ -1457,10 +1916,17 @@ CHOOSE_FROM_SUBDIR Apache::lonhelper::message->new(); $paramHash = Apache::lonhelper::getParamHash(); $paramHash->{'variable'} = 'PRINT_TYPE'; + $helper->declareVar('PRINT_TYPE'); $paramHash->{CHOICES} = $printChoices; Apache::lonhelper::choices->new(); Apache::lonprintout::page_format_state->new("FORMAT"); + # Generate the PAGESIZE state which will offer the user the margin + # choices if they select one column + Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); + Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); + + $helper->process(); # MANUAL BAILOUT CONDITION: @@ -1538,9 +2004,6 @@ sub render { my $helper = Apache::lonhelper::getHelper(); my $result = ''; my $var = $self->{'variable'}; - my $curVal = $helper->{VARS}->{$var}; - - my ($layout, $cols, $paper) = split(/\|/, $curVal); $result .= <\n"; } else { $result .= "\n"; @@ -1599,5 +2062,160 @@ sub postprocess { 1; +package Apache::lonprintout::page_size_state; + +=pod + +=head1 Helper element: page_size_state + +See lonhelper.pm documentation for discussion of the helper framework. + +Apache::lonprintout::page_size_state is an element that gives the +user the opportunity to further refine the page settings if they +select a single-column page. + +page_size_state is always directly invoked in lonprintout.pm, so there +is no tag interface. You actually pass parameters to the constructor. + +=over 4 + +=item * B(varName): varName is where the print information will be stored in the format FIXME. + +=back + +=cut + +use Apache::lonhelper; + +no strict; +@ISA = ("Apache::lonhelper::element"); +use strict; + + + +sub new { + my $self = Apache::lonhelper::element->new(); + + shift; # disturbs me (probably prevents subclassing) but works (drops + # package descriptor)... - Jeremy + + $self->{'variable'} = shift; + my $helper = Apache::lonhelper::getHelper(); + $helper->declareVar($self->{'variable'}); + + # The variable name of the format element, so we can look into + # $helper->{VARS} to figure out whether the columns are one or two + $self->{'formatvar'} = shift; + + # The state to transition to after selection, or after discovering + # the cols are not set to 1 + $self->{NEXTSTATE} = shift; + bless($self); + return $self; +} + +sub render { + my $self = shift; + my $helper = Apache::lonhelper::getHelper(); + my $result = ''; + my $var = $self->{'variable'}; + + if (defined $self->{ERROR_MSG}) { + $result .= '
' . $self->{ERROR_MSG} . '
'; + } + + $result .= <How should the column be formatted?

+ + + + + + + + + + + + + + + + + +
Width: + +
Height: + +
Left margin: + +
+ +

Hint: Some instructors like to leave scratch space for the student by +making the width much smaller then the width of the page.

+ +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}); + } + + return 1; +} + +sub postprocess { + my $self = shift; + + 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]*)?$/) { + $error .= "Invalid left margin; please type only a number.
\n"; + } + + if (!$error) { + Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); + return 1; + } else { + $self->{ERROR_MSG} = $error; + return 0; + } +} + + + __END__