--- loncom/interface/lonprintout.pm 2003/03/13 18:35:12 1.129
+++ loncom/interface/lonprintout.pm 2003/05/13 20:42:39 1.165
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Printout
#
-# $Id: lonprintout.pm,v 1.129 2003/03/13 18:35:12 albertel Exp $
+# $Id: lonprintout.pm,v 1.165 2003/05/13 20:42:39 sakharuk 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 $result = shift;
@@ -1218,22 +1327,298 @@ sub latex_corrections {
}
+sub output_data_new {
+ my ($r,$helper) = @_;
+ $r->print(<<ENDPART);
+<html>
+<head>
+<title>LON-CAPA output for printing</title>
+</head>
+<body bgcolor="FFFFFF">
+<hr>
+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 $assignment = $ENV{'form.assignment'};
+ 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 $currentURL;
+ if ($helper->{'VARS'}->{'construction'} ne '1') {
+ #prins published resource
+ $currentURL=$helper->{'VARS'}->{'postdata'};
+ } else {
+ #prins resource from the construction space
+ $currentURL=$helper->{'VARS'}->{'filename'};
+ $currentURL=~s/\/home\//\/~/;
+ $currentURL=~s/public_html\///;
+ }
+ $selectionmade = 1;
+ if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
+ my %moreenv;
+ $moreenv{'form.grade_target'}='tex';
+ $moreenv{'request.filename'}=$currentURL;
+ $moreenv{'form.textwidth'}=$LaTeXwidth;
+ &Apache::lonnet::appenv(%moreenv);
+ my $texversion=&Apache::lonnet::ssi($currentURL);
+ &Apache::lonnet::delenv('form.grade_target');
+ &Apache::lonnet::delenv('form.textwidth');
+ &Apache::lonnet::delenv('form.counter');
+ if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ $moreenv{'form.grade_target'}='answer';
+ $moreenv{'form.print_answer'}='yes';
+ &Apache::lonnet::appenv(%moreenv);
+ my $answer=&Apache::lonnet::ssi($currentURL);
+ &Apache::lonnet::delenv('form.grade_target');
+ &Apache::lonnet::delenv('form.print_answer');
+# $r->print('<pre>'.$answer.'</pre>'); return OK;
+ $texversion=~s/(\\end{document})/$answer$1/;
+ }
+ $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'};
+ 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');
+ &Apache::lonnet::delenv('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}/;}
+ $result .= '\end{document}';
+ } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
+ #-- prints assignments for whole class or for selected students
+ $selectionmade=5;
+ my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
+ my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ #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 /:/,$person;
+ my ($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 $curresline (@master_seq) {
+ if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
+ my ($map,$id,$res_url) = split(/___/,$curresline);
+ if (&Apache::lonnet::allowed('bre',$res_url)) {
+ my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$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<$helper->{'VARS'}->{'EMPTY_PAGES'};$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);
+ $result .= '\end{document}';
+ &Apache::lonnet::delenv('form.textwidth');
+ } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
+ #prints selected problems from the subdirectory
+ $selectionmade = 6;
+ my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
+ @list_of_files=sort @list_of_files;
+ 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');
+ &Apache::lonnet::delenv('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 $result;
+
+#<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
+$r->print(<<FINALEND);
+<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
+</body>
+</html>
+FINALEND
+}
+
+
+
sub handler {
my $r = shift;
+ my $helper;
# A hook for me to work without disturbing Alex.
if (!$ENV{'form.jeremy'}) {
- printWizard($r);
- return OK;
- }
+ my $result = printHelper($r);
+ if (!ref($result)) {
+ return $result;
+ }
+ $helper = $result;
+
+
+
+ my $key;
+ foreach $key (keys %{$helper->{'VARS'}}) {
+ $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
+ }
+# return OK;
+
+
+ &output_data_new($r,$helper);
+
+
+
+
- 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; }
+
+ return OK;
+ }
+# 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; }
$r->content_type('text/html');
$r->send_http_header;
@@ -1281,9 +1666,9 @@ sub handler {
}
-use Apache::lonwizard;
+use Apache::lonhelper;
-sub printWizard {
+sub printHelper {
my $r = shift;
if ($ENV{'request.course.id'}) {
@@ -1311,73 +1696,241 @@ sub printWizard {
$r->send_http_header;
$r->rflush();
- my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
- if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
- my $url = $ENV{'form.postdata'};
- $resourceTitle = substr($url, rindex($url, '/') + 1);
+ # Unfortunately, this helper is so complicated we have to
+ # write it by hand
+
+ Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
+
+ my $helper = Apache::lonhelper::helper->new("Printing Wizard");
+ $helper->declareVar('symb');
+ $helper->declareVar('postdata');
+ $helper->declareVar('filename');
+ $helper->declareVar('construction');
+
+ # This will persistently load in the data we want from the
+ # very first screen.
+ # Detect whether we're coming from construction space
+ if ($ENV{'form.postdata'} =~ /http:\/\// ) {
+ $ENV{'form.postdata'} =~ /http:\/\/[a-zA-Z.]+\/~([a-zA-Z0-9]+)\/(.*)/;
+ $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2";
+ $helper->{VARS}->{'construction'} = 1;
+ } else {
+ if ($ENV{'form.postdata'}) {
+ $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
+ }
+ if ($ENV{'form.symb'}) {
+ $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
+ }
+ if ($ENV{'form.url'}) {
+ $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
+ }
}
- my $wizard = Apache::lonwizard->new("Printing Wizard", $ENV{QUERY_STRING});
- # PRINT_TYPE: What the user wants to print (current docs,
- # whole sequence, etc.
- $wizard->declareVars(['PRINT_TYPE', 'FORMAT', 'postdata', 'url',
- 'symb', 'RESOURCES', 'FILES', 'STUDENTS']);
+ if ($ENV{'form.symb'}) {
+ $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
+ }
+ if ($ENV{'form.url'}) {
+ $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
+ }
+
+ my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
+ $helper->{VARS}->{'assignment'} = $sequenceTitle;
+
+
# Extract map
- my $symb = $wizard->{VARS}->{'symb'};
- my ($map, $id, $url) = split(/__/, $symb);
+ my $symb = $helper->{VARS}->{'symb'};
+ my ($map, $id, $url);
+ my $subdir;
+
+ # Get the resource name from construction space
+ if ($helper->{VARS}->{'construction'}) {
+ $resourceTitle = substr($helper->{VARS}->{'filename'},
+ rindex($helper->{VARS}->{'filename'}, '/')+1);
+ $subdir = substr($helper->{VARS}->{'filename'},
+ 0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
+ } else {
+ ($map, $id, $url) = split(/___/, $symb);
+ $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
- my $subdir = &Apache::lonnet::filelocation("", $ENV{'form.url'});
+ if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
+ my $url = $helper->{VARS}->{'postdata'};
+ $resourceTitle = substr($url, rindex($url, '/') + 1);
+ }
+ $subdir = &Apache::lonnet::filelocation("", $url);
+ }
+
+ Apache::lonhelper::registerHelperTags();
# "Delete everything after the last slash."
$subdir =~ s|/[^/]+$||;
+ if (not $helper->{VARS}->{'construction'}) {
+ $subdir='/home/httpd/html/res/'.$subdir;
+ }
- # This really ought to be in some repository in loncommon or
- # something where it can just be grabbed.
- my $problemFilter = sub {
- my $name = shift;
- return $name =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/;
- };
# What can be printed is a very dynamic decision based on
# lots of factors. So we need to dynamically build this list.
# To prevent security leaks, states are only added to the wizard
- # if they can be reached, which ensures manipulating the querystring
+ # if they can be reached, which ensures manipulating the form input
# won't allow anyone to reach states they shouldn't have permission
# to reach.
- my $printChoices = [];
- # We can always print the current screen.
- push @{$printChoices}, ['current_document', "<b>$resourceTitle</b> (exactly what was on the screen)", 'CHOOSE_FORMAT'];
- if ($ENV{'form.postdata'}=~ /\/res\//) {
- # Allow problems from sequence
- push @{$printChoices}, ['map_problems', "Problems from <b>$sequenceTitle</b>", 'CHOOSE_PROBLEMS'];
- Apache::lonwizard::resource_multichoice->new($wizard, "CHOOSE_PROBLEMS", 'Select Problems', "Select problems to print from <b>$sequenceTitle</b>:", 'CHOOSE_FORMAT', 'RESOURCES', sub {my $res = shift; return $res->is_problem()}, undef, $map);
+ # printChoices is tracking the kind of printing the user can
+ # do, and will be used in a choices construction later.
+ # In the meantime we will be adding states and elements to
+ # the helper by hand.
+ my $printChoices = [];
+ my $paramHash;
+
+ if ($resourceTitle) {
+ push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE'];
+ }
+ $r->print($helper->{VARS}->{'postdata'});
+
+ # If we're in a sequence...
+ if ($helper->{'VARS'}->{'construction'} ne '1') {
+ # Allow problems from sequence
+ push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];
# Allow all resources from sequence
- push @{$printChoices}, ['map_problems_pages', "Problems and pages from <b>$sequenceTitle</b>", 'CHOOSE_PROBLEMS_HTML'];
- Apache::lonwizard::resource_multichoice->new($wizard, "CHOOSE_PROBLEMS_HTML", 'Select Resources', "Select resources to print from <b>$sequenceTitle</b>:", "CHOOSE_FORMAT", 'RESOURCES', sub {my $res = shift; return !$res->is_map()}, undef, $map);
+ push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
+
+ my $isProblem = '$res->is_problem();';
+ my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
+ my $isNotMap = '!$res->is_map();';
+ my $symb = '$res->symb();';
+ my $helperFragment = <<HELPERFRAGMENT;
+ <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
+ <message>(mark them then click "next" button) <br /></message>
+ <resource variable="RESOURCES" multichoice="1" toponly='1'>
+ <nextstate>PAGESIZE</nextstate>
+ <filterfunc>return $isProblem</filterfunc>
+ <mapurl>$map</mapurl>
+ <valuefunc>return $symb</valuefunc>
+ </resource>
+ </state>
+
+ <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
+ <message>(mark them then click "next" button) <br /></message>
+ <resource variable="RESOURCES" multichoice="1" toponly='1'>
+ <nextstate>PAGESIZE</nextstate>
+ <filterfunc>return $isNotMap;</filterfunc>
+ <mapurl>$map</mapurl>
+ <valuefunc>return $symb</valuefunc>
+ </resource>
+ </state>
+HELPERFRAGMENT
+
+ &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
}
# If the user is priviledged, allow them to print all
# problems in the course, optionally for selected students
- if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) {
- push @{$printChoices}, ['all_problems', '<b>All problems</b> in course (may take a lot of time)', 'CHOOSE_FORMAT'];
- push @{$printChoices}, ['problems_for_students', "Problems from <b>$sequenceTitle</b> for selected students", 'CHOOSE_STUDENTS'];
- Apache::lonwizard::choose_student->new($wizard, "CHOOSE_STUDENTS", "Choose Students", "Select the students you wish to print the problems for:", 'CHOOSE_FORMAT', 'STUDENTS', 1);
+ if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
+ push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS'];
+ push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];
+
+ my $isProblem = '$res->is_problem();';
+ my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
+ my $symb = '$res->symb();';
+ &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
+ <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
+ <message>(mark them then click "next" button) <br /></message>
+ <resource variable="RESOURCES" multichoice="1">
+ <nextstate>PAGESIZE</nextstate>
+ <filterfunc>return $isProblemOrMap</filterfunc>
+ <choicefunc>return $isProblem</choicefunc>
+ <valuefunc>return $symb</valuefunc>
+ </resource>
+ </state>
+
+ <state name="CHOOSE_STUDENTS" title="Choose Students whose assignments you want to print">
+ <message>(do not forget to select assignment itself - make another selection below) <br /></message>
+ <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
+ <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
+ <resource variable="RESOURCES" multichoice="1">
+ <filterfunc>return $isProblem</filterfunc>
+ <mapurl>$map</mapurl>
+ <valuefunc>return $symb</valuefunc>
+ </resource>
+ <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
+ <choices variable="EMPTY_PAGES">
+ <choice computer='0'>Print students assignments without separations (as uniform flow)</choice>
+ <choice computer='1'>Start student assignment from new page (add pagefeed after each student)</choice>
+ <choice computer='2'>Add one emty page after each student assignment</choice>
+ <choice computer='3'>Add two emty page after each student assignment</choice>
+ </choices>
+ </state>
+CHOOSE_STUDENTS
}
# FIXME: That RE should come from a library somewhere.
- if ((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($ENV{'form.postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) {
- push @{$printChoices}, ['problems_from_directory', "Problems from <b>$subdir</b>", 'CHOOSE_FROM_SUBDIR'];
- Apache::lonwizard::choose_files->new($wizard, "CHOOSE_FROM_SUBDIR", "Select Files","Select problems you wish to print from <b>$subdir</b>:", 'CHOOSE_FORMAT', 'FILES', $subdir, $problemFilter);
- }
+ if (((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) {
+ push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
+
+ my $f = '$filename';
+ my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
+ <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
+ <message>(mark them then click "next" button) <br /></message>
+ <files variable="FILES" multichoice='1'>
+ <nextstate>PAGESIZE</nextstate>
+ <filechoice>return '$subdir';</filechoice>
+CHOOSE_FROM_SUBDIR
+
+ $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
+ <filefilter>return $filename =~
+ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/;
+ </filefilter>
+ </files>
+ </state>
+CHOOSE_FROM_SUBDIR
+ &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
+ }
+
+ # Generate the first state, to select which resources get printed.
+ Apache::lonhelper::state->new("START", "What do you want to print? Make a choice.");
+ $paramHash = Apache::lonhelper::getParamHash();
+ $paramHash->{MESSAGE_TEXT} = "";
+ Apache::lonhelper::message->new();
+ $paramHash = Apache::lonhelper::getParamHash();
+ $paramHash->{'variable'} = 'PRINT_TYPE';
+ $helper->declareVar('PRINT_TYPE');
+ $paramHash->{CHOICES} = $printChoices;
+ Apache::lonhelper::choices->new();
+
+ if ($ENV{'request.role.adv'}) {
+ $paramHash = Apache::lonhelper::getParamHash();
+ $paramHash->{MESSAGE_TEXT} = "<br /><big><b><i>Next option is available only for advanced users:</i></b></big><br />";
+ Apache::lonhelper::message->new();
+ $paramHash = Apache::lonhelper::getParamHash();
+ $paramHash->{'variable'} = 'ANSWER_TYPE';
+ $helper->declareVar('ANSWER_TYPE');
+ $paramHash->{CHOICES} = [
+ ['Print without answer', 'yes'],
+ ['Print with answers', 'no'] ];
+ 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');
+
+
+ $helper->process();
+
+ # MANUAL BAILOUT CONDITION:
+ # If we're in the "final" state, bailout and return to handler
+ if ($helper->{STATE} eq 'FINAL') {
+ return $helper;
+ }
- # Despite the appearance of states before here, this is the first state.
- Apache::lonwizard::switch_state->new($wizard, "START", "Selecting Resources to Print", "PRINT_TYPE", $printChoices, "What do you want to print?");
- Apache::lonprintout::page_format_state->new($wizard, "CHOOSE_FORMAT", "Page Format", "FORMAT");
+ $r->print($helper->display());
- $r->print($wizard->display());
+ Apache::lonhelper::unregisterHelperTags();
untie %hash;
@@ -1391,24 +1944,31 @@ package Apache::lonprintout::page_format
=pod
-=head1 Wizard state: page_format_state
+=head1 Helper element: page_format_state
-See lonwizard.pm documentation for discussion of the wizard framework.
+See lonhelper.pm documentation for discussion of the helper framework.
-Apache::lonprintout::page_format_state is a state that gives the user an opportunity to select the page layout they wish to print with: Number of columns, portrait/landscape, and paper size. If you want to change the paper size choices, change the @paperSize array contents in this package.
+Apache::lonprintout::page_format_state is an element that gives the
+user an opportunity to select the page layout they wish to print
+with: Number of columns, portrait/landscape, and paper size. If you
+want to change the paper size choices, change the @paperSize array
+contents in this package.
+
+page_format_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<new>(parentLonWizReference, stateName, stateTitle, varName, nextState): varName is where the print information will be stored in the format FIXME. nextState is the state that follows this one.
+=item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
=back
=cut
-use Apache::lonwizard;
+use Apache::lonhelper;
no strict;
-@ISA = ("Apache::lonwizard::state");
+@ISA = ("Apache::lonhelper::element");
use strict;
my $maxColumns = 2;
@@ -1421,48 +1981,44 @@ my @paperSize = ("Letter [8 1/2x11 in]",
# Paper type
sub new {
- my $proto = shift;
- my $class = ref($proto) || $proto;
- my $self = bless $proto->SUPER::new(shift, shift, shift);
+ my $self = Apache::lonhelper::element->new();
+
+ shift;
- $self->{VAR_NAME} = shift;
- $self->{NEXT_STATE} = shift;
+ $self->{'variable'} = shift;
+ my $helper = Apache::lonhelper::getHelper();
+ $helper->declareVar($self->{'variable'});
+ bless($self);
return $self;
}
sub render {
my $self = shift;
- my $wizard = $self->{WIZARD};
+ my $helper = Apache::lonhelper::getHelper();
my $result = '';
- my $var = $self->{VAR_NAME};
- my $curVal = $self->{WIZARD}->{VARS}->{$var};
-
- my ($layout, $cols, $paper) = split(/\|/, $curVal);
-
- my $landscapeChecked = ($layout ne "L")? '' : 'checked ';
- my $portraitChecked = $landscapeChecked ? '' : 'checked ';
+ my $var = $self->{'variable'};
$result .= <<STATEHTML;
-<p>How should the printing be formatted?</p>
+<p><big><i><b>What page format do you prefer?</b></i></big></p>
<table cellpadding="3">
<tr>
- <td align="center"><b>Layout</b></td>
- <td align="center"><b>Columns</b></td>
+ <td align="center"><b>Page layout</b></td>
+ <td align="center"><b>Number of columns</b></td>
<td align="center"><b>Paper type</b></td>
</tr>
<tr>
<td>
- <input type="radio" name="${var}.layout" value="L" $landscapeChecked> Landscape<br />
- <input type="radio" name="${var}.layout" value="P" $portraitChecked> Portrait
+ <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
+ <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
</td>
- <td>
+ <td align="center">
<select name="${var}.cols">
STATEHTML
my $i;
for ($i = 1; $i <= $maxColumns; $i++) {
- if ($i == $cols) {
+ if ($i == 2) {
$result .= "<option value='$i' selected>$i</option>\n";
} else {
$result .= "<option value='$i'>$i</option>\n";
@@ -1474,7 +2030,7 @@ STATEHTML
$i = 0;
foreach (@paperSize) {
- if ($paper == $i) {
+ if ($i == 0) {
$result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
} else {
$result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
@@ -1483,11 +2039,176 @@ STATEHTML
}
$result .= "</select></td></tr></table>";
- $result .= '<input type="hidden" name="printWizDone" value="1" />';
return $result;
}
+sub postprocess {
+ my $self = shift;
+
+ my $var = $self->{'variable'};
+ my $helper = Apache::lonhelper->getHelper();
+ $helper->{VARS}->{$var} =
+ $ENV{"form.$var.layout"} . '|' . $ENV{"form.$var.cols"} . '|' .
+ $ENV{"form.$var.paper"};
+ return 1;
+}
+
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<new>(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 .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
+ }
+
+ $result .= <<ELEMENTHTML;
+
+<p>How should the column be formatted?</p>
+
+<table cellpadding='3'>
+ <tr>
+ <td align='right'><b>Width</b>:</td>
+ <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
+ <td align='left'>
+ <select name='$var.widthunit'>
+ <option>cm</option><option>in</option>
+ </select>
+ </td>
+ </tr>
+ <tr>
+ <td align='right'><b>Height</b>:</td>
+ <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
+ <td align='left'>
+ <select name='$var.heightunit'>
+ <option>cm</option><option>in</option>
+ </select>
+ </td>
+ </tr>
+ <tr>
+ <td align='right'><b>Left margin</b>:</td>
+ <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
+ <td align='left'>
+ <select name='$var.heightunit'>
+ <option>cm</option><option>in</option>
+ </select>
+ </td>
+ </tr>
+</table>
+
+<p>Hint: Some instructors like to leave scratch space for the student by
+making the width much smaller then the width of the page.</p>
+
+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 ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) {
+ $error .= "Invalid width; please type only a number.<br />\n";
+ }
+ if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) {
+ $error .= "Invalid height; please type only a number.<br />\n";
+ }
+ if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) {
+ $error .= "Invalid left margin; please type only a number.<br />\n";
+ }
+
+ if (!$error) {
+ Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
+ return 1;
+ } else {
+ $self->{ERROR_MSG} = $error;
+ return 0;
+ }
+}
+
+
+
__END__