--- loncom/interface/lonprintout.pm 2002/04/25 21:38:42 1.23
+++ loncom/interface/lonprintout.pm 2003/06/24 14:07:27 1.194
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Printout
#
-# $Id: lonprintout.pm,v 1.23 2002/04/25 21:38:42 sakharuk Exp $
+# $Id: lonprintout.pm,v 1.194 2003/06/24 14:07:27 sakharuk Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -43,214 +43,742 @@ use strict;
use Apache::Constants qw(:common :http);
use Apache::lonxml;
use Apache::lonnet;
+use Apache::loncommon;
use Apache::inputtags;
+use Apache::grades;
use Apache::edit;
use Apache::File();
+use Apache::lonnavmaps;
+use POSIX qw(strftime);
+use GDBM_File;
+my %hash;
+my $LaTeXwidth = 0;
-sub headerform {
- my $r = shift;
- $r->print(<<ENDHEADER);
-<html>
-<head>
-<title>LON-CAPA output for printing</title>
-</head>
-<body bgcolor="FFFFFF">
-<form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">
-<h1>What do you want to print? Make a choice.</h1><br />
-ENDHEADER
+
+sub latex_header_footer_remove {
+ my $text = shift;
+ $text =~ s/\\end{document}//;
+ $text =~ s/\\documentclass([^&]*)\\begin{document}//;
+ return $text;
}
-sub menu_for_output {
- my $r = shift;
- $r->print(<<ENDMENUOUT);
-<input type="hidden" name="phase" value="two">
-<input type="hidden" name="url" value="$ENV{'form.postdata'}">
-<input type="radio" name="choice" value="Standard LaTeX output for current document"> Current document
-(you will print what you see on the screen)<br />
-<input type="radio" name="choice" value="Standard LaTeX output for the primary sequence"> All problems from the primary sequence<br />
-<input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence"> The whole primary sequence (problems plus all html and xml files)<br />
-<input type="radio" name="choice" value="Standard LaTeX output for the top level sequence"> All problems from the top level sequence<br />
-<br /><hr /><br />
-<h1>And what page format do you prefer?</h1>
-<input type="radio" name="layout" value="CBI" checked> CBI <br />
-<input type="radio" name="layout" value="CAPA"> CAPA <br />
-<input type="submit" value="Submit your choice">
-</form>
-</body>
-</html>
-ENDMENUOUT
+sub character_chart {
+ my $result = shift;
+ $result =~ s/&\#0?0?(7|9);//g;
+ $result =~ s/&\#0?(10|13);//g;
+ $result =~ s/&\#0?32;/ /g;
+ $result =~ s/&\#0?33;/!/g;
+ $result =~ s/&(\#0?34|quot);/\"/g;
+ $result =~ s/&\#0?35;/\\\#/g;
+ $result =~ s/&\#0?36;/\\\$/g;
+ $result =~ s/&\#0?37;/\\%/g;
+ $result =~ s/&(\#0?38|amp);/\\&/g;
+ $result =~ s/&\#(0?39|146);/\'/g;
+ $result =~ s/&\#0?40;/(/g;
+ $result =~ s/&\#0?41;/)/g;
+ $result =~ s/&\#0?42;/\*/g;
+ $result =~ s/&\#0?43;/\+/g;
+ $result =~ s/&\#(0?44|130);/,/g;
+ $result =~ s/&\#0?45;/-/g;
+ $result =~ s/&\#0?46;/\./g;
+ $result =~ s/&\#0?47;/\//g;
+ $result =~ s/&\#0?48;/0/g;
+ $result =~ s/&\#0?49;/1/g;
+ $result =~ s/&\#0?50;/2/g;
+ $result =~ s/&\#0?51;/3/g;
+ $result =~ s/&\#0?52;/4/g;
+ $result =~ s/&\#0?53;/5/g;
+ $result =~ s/&\#0?54;/6/g;
+ $result =~ s/&\#0?55;/7/g;
+ $result =~ s/&\#0?56;/8/g;
+ $result =~ s/&\#0?57;/9/g;
+ $result =~ s/&\#0?58;/:/g;
+ $result =~ s/&\#0?59;/;/g;
+ $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
+ $result =~ s/&\#0?61;/\$=\$/g;
+ $result =~ s/&(\#0?62|gt|\#155);/\$>\$/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;/\$\\setminus\$/g;
+ $result =~ s/&\#0?93;/]/g;
+ $result =~ s/&\#(0?94|136);/\$\\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;/\$\\ldots\$/g;
+ $result =~ s/&\#134;/\$\\dagger\$/g;
+ $result =~ s/&\#135;/\$\\ddagger\$/g;
+ $result =~ s/&\#137;/\\textperthousand /g;
+ $result =~ s/&\#140;/{\\OE}/g;
+ $result =~ s/&\#147;/\`\`/g;
+ $result =~ s/&\#148;/\'\'/g;
+ $result =~ s/&\#149;/\$\\bullet\$/g;
+ $result =~ s/&\#150;/--/g;
+ $result =~ s/&\#151;/---/g;
+ $result =~ s/&\#152;/\$\\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);/\$\\neg\$/g;
+ $result =~ s/&(\#173|shy);/ - /g;
+ $result =~ s/&(\#174|reg);/\\textregistered /g;
+ $result =~ s/&(\#175|macr);/\$^{-}\$/g;
+ $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
+ $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
+ $result =~ s/&(\#178|sup2);/\$^2\$/g;
+ $result =~ s/&(\#179|sup3);/\$^3\$/g;
+ $result =~ s/&(\#180|acute);/\\textacute /g;
+ $result =~ s/&(\#181|micro);/\$\\mu\$/g;
+ $result =~ s/&(\#182|para);/\\P/g;
+ $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
+ $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
+ $result =~ s/&(\#185|sup1);/\$^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);/\$\\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);/\$\\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);/\$\\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/&\#952;/\$\\theta\$/g;
+#Greek Alphabet
+ $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
+ $result =~ s/&(beta|\#946);/\$\\beta \$/g;
+ $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
+ $result =~ s/&(delta|\#948);/\$\\delta \$/g;
+ $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
+ $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
+ $result =~ s/&(eta|\#951);/\$\\eta \$/g;
+ $result =~ s/&(theta|\#952);/\$\\theta \$/g;
+ $result =~ s/&(iota|\#953);/\$\\iota \$/g;
+ $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
+ $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
+ $result =~ s/&(mu|\#956);/\$\\mu \$/g;
+ $result =~ s/&(nu|\#957);/\$\\nu \$/g;
+ $result =~ s/&(xi|\#958);/\$\\xi \$/g;
+ $result =~ s/&(pi|\#960);/\$\\pi \$/g;
+ $result =~ s/&(rho|\#961);/\$\\rho \$/g;
+ $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
+ $result =~ s/&(tau|\#964);/\$\\tau \$/g;
+ $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
+ $result =~ s/&(phi|\#966);/\$\\phi \$/g;
+ $result =~ s/&(chi|\#967);/\$\\chi \$/g;
+ $result =~ s/&(psi|\#968);/\$\\psi \$/g;
+ $result =~ s/&(omega|\#969);/\$\\omega \$/g;
+ $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
+ $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
+ $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
+ $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
+ $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
+ $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
+ $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
+ $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
+ $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
+ $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
+ $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
+ return $result;
+}
+
+
+sub page_format {
+#
+#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 = '7.1 in'; #'18 cm';
+ $textheight = '10.2 in'; #'25.9 cm';
+ $oddoffset = '-0.57 in';
+ $evenoffset = '-0.57 in';
+ } elsif ($numberofcolumns == 2) {
+ $textwidth = '3.66 in'; #'93 mm';
+ $textheight = '10.2 in'; #'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 {
+ my ($uname,$udom)=@_;
+ if (!defined($uname)) { $uname=$ENV{'user.name'}; }
+ if (!defined($udom)) { $uname=$ENV{'user.domain'}; }
+ my $plainname=&Apache::loncommon::plainname($uname,$udom);
+ if ($plainname=~/^\s*$/) { $plainname=$uname; }
+ return &Apache::lonxml::latex_special_symbols($plainname,undef,undef,
+ 'header');
+}
+
+
+sub page_format_transformation {
+ my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;
+ my ($textwidth,$textheight,$oddoffset,$evenoffset);
+ $assignment=~s/_/ /g;
+ if ($numberofcolumns != 1) {
+ ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$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;
+
+ $result =~ m/\\end{document}(\d*)$/;
+ 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 $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
+ my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
+ my ($map,$id,$resource)=split(/___/,$symbolic);
+ $map=&Apache::lonnet::clutter($map);
+ my $name_of_sequence;
+ $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
+ if ($name_of_sequence =~ /^\s*$/) {
+ $map =~ m|([^/]+)$|;
+ $name_of_sequence = $1;
+ }
+ my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
+ if ($name_of_map =~ /^\s*$/) {
+ $ENV{'request.course.uri'} =~ m|([^/]+)$|;
+ $name_of_map = $1;
+ }
+ return ($name_of_resourse,$name_of_sequence,$name_of_map);
+
}
+sub latex_corrections {
+
+ my ($number_of_columns,$result) = @_;
+
+# $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
+ $result =~ s/\$number_of_columns/$number_of_columns/g;
+ $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,'<!--',0);
+ while ($first_comment != -1) {
+ my $end_comment = index($result,'-->',$first_comment);
+ substr($result,$first_comment,$end_comment-$first_comment+3) = '';
+ $first_comment = index($result,'<!--',$first_comment);
+ }
+ $result =~ s/^\s+$//gm; #remove empty lines
+ $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
+ $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
+ $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
+ $result =~ s/{\\par }\s*\\\\/\\\\/gm;
+ $result =~ s/\\\\\s+\[/ \[/g;
+ $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
+ #conversion of html characters to LaTeX equivalents
+ if ($result =~ m/&(\w+|#\d+);/) {
+ $result = &character_chart($result);
+ }
+ $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
+ $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
+
+ return $result;
+}
sub output_data {
- my $r = shift;
+ my ($r,$helper,$rparmhash) = @_;
+ my %parmhash = %$rparmhash;
+ my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
$r->print(<<ENDPART);
<html>
<head>
<title>LON-CAPA output for printing</title>
</head>
-<body bgcolor="FFFFFF">
-<hr>
+$bodytag
+Please stand by while processing your print request, this may take some time ...
ENDPART
- my $choice = $ENV{'form.choice'};
- my $layout = $ENV{'form.layout'};
- my $laystyle = 'book';
- my $result = '';
- my %mystyle;
- my $filename;
-
- if ($choice eq 'Standard LaTeX output for current document') {
- my %moreenv;
- my $currequest=$ENV{'request.filename'};
- $moreenv{'form.grade_target'}='tex';
- $moreenv{'request.filename'}=$ENV{'form.url'};
- &Apache::lonnet::appenv(%moreenv);
- my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
- &Apache::lonnet::delenv('form.grade_target');
- %moreenv = ();
- $moreenv{'request.filename'}=$currequest;
- &Apache::lonnet::appenv(%moreenv);
- $result .= $texversion;
-
- } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or $choice eq 'Standard LaTeX output for whole primary sequence') {
-#-- where is the primary sequence containing file?
- my %moreenv;
- my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
- $_ = $symbolic;
- m/([^_]+)_/;
- my $primary_sequence = '/res/'.$1;
-#-- open and analyses the primary sequence
- my $sequence_file=&Apache::lonnet::filelocation("",$primary_sequence);
- my $sequencefilecontents=&Apache::lonnet::getfile($sequence_file);
- my @master_seq = &content_map($sequencefilecontents);
-#-- produce an output string
+ 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,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
+ my $assignment = $ENV{'form.assignment'};
+ my $LaTeXwidth;
+ if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
+ $LaTeXwidth = $1*10;
+ } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
+ $LaTeXwidth = $1;
+ } elsif ($textwidth=~/(\d+\.?\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') {
+ #prints published resource
+ $currentURL=$helper->{'VARS'}->{'postdata'};
+ } else {
+ #prints 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;
+ $moreenv{'request.filename'}=$currentURL;
+ my %form;
+ $form{'grade_target'}='tex';
+ $form{'textwidth'}=$LaTeXwidth;
+ my $rndseed=time;
+ $form{'rndseed'}=$rndseed;
+ &Apache::lonnet::appenv(%moreenv);
+ my $texversion=&Apache::lonnet::ssi($currentURL,%form);
+ &Apache::lonnet::delenv('form.counter');
+ &Apache::lonnet::delenv('request.filename');
+ if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ my %form;
+ $form{'grade_target'}='answer';
+ $form{'answer_output_mode'}='tex';
+ $form{'rndseed'}=$rndseed;
+ my $answer=&Apache::lonnet::ssi($currentURL,%form);
+ $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$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 %form=();
+ $form{'grade_target'}='tex';
+ $form{'textwidth'}=$LaTeXwidth;
+ $form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ my $flag_latex_header_remove = 'NO';
+ my $flag_page_in_sequence = 'NO';
+ my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ my $prevassignment='';
for (my $i=0;$i<=$#master_seq;$i++) {
- $_ = $master_seq[$i];
- m/\"(.*)\"/;
- $_ = $1;
- my $urlp = $1;
- if ($choice eq 'Standard LaTeX output for the primary sequence') {
- if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
- my %moreenv;
- $moreenv{'form.grade_target'}='tex';
- &Apache::lonnet::appenv(%moreenv);
- my $texversion=&Apache::lonnet::ssi($urlp);
- &Apache::lonnet::delenv('form.grade_target');
- $result .= $texversion;
- }
+ $master_seq[$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;
+ }
+ $form{'symb'}=$master_seq[$i];
+ $master_seq[$i]=~/\/([^\/]+)\.sequence_/;
+ my $assignment=' '.$1.' ';
+ #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
+ my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ 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 {
- $moreenv{'form.grade_target'}='tex';
- &Apache::lonnet::appenv(%moreenv);
- my $texversion=&Apache::lonnet::ssi($urlp);
- &Apache::lonnet::delenv('form.grade_target');
- $result .= $texversion;
+ $texversion =~ s/\\end{document}//;
}
- }
-#-- additional cleanup for output
- my $first_app = index($result,'\documentclass',0);
- $first_app = index($result,'\documentclass',$first_app+5);
- while ($first_app != -1) {
- my $second_app = index($result,'begin{document}',$first_app);
- $first_app = rindex($result,'\end{document}',$first_app);
- substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
- $first_app = index($result,'\documentclass',$first_app+5);
- }
- } elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
- my @master_seq = ();
- my @add_file_seq = ();
-#-- where is the main sequence of the course?
- my $main_seq = '/res/'.$ENV{'request.course.uri'};
- my $file=&Apache::lonnet::filelocation("",$main_seq);
- my $filecontents=&Apache::lonnet::getfile($file);
- my @file_seq = &content_map($filecontents);
-#-- do we have any other sequence inside?
- my $i=0;
- while ($i<=$#file_seq) {
- $_ = $file_seq[$i];
- if (/\.sequence$/) {
- $file = &Apache::lonnet::filelocation("",$file_seq[$i]);
- $filecontents=&Apache::lonnet::getfile($file);
- @add_file_seq = &content_map($filecontents);
- splice(@file_seq,$i,1,@add_file_seq);
- @add_file_seq = ();
- $i = -1;
+ if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ my %form;
+ $form{'grade_target'}='answer';
+ $form{'answer_output_mode'}='tex';
+ my $answer=&Apache::lonnet::ssi($urlp,%form);
+ $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ }
+# $result .= $texversion;
+ if (($selectionmade == 4) and ($assignment ne $prevassignment) and ($i>1)) {
+ 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');
+ $prevassignment=$assignment;
+ $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
}
- $i++;
+ $result .= $texversion;
+ $flag_latex_header_remove = 'YES';
}
- @master_seq = @file_seq;
-#-- produce an output string
- for (my $i=0;$i<=$#master_seq;$i++) {
- $_ = $master_seq[$i];
- m/\"(.*)\"/;
- $_ = $1;
- my $urlp = $1;
- if (/\.(problem|exam|quiz|assess|survey|form|library)/) {
- my %moreenv;
- $moreenv{'form.grade_target'}='tex';
- &Apache::lonnet::appenv(%moreenv);
- my $texversion=&Apache::lonnet::ssi($urlp);
- &Apache::lonnet::delenv('form.grade_target');
- $result .= $texversion;
+ &Apache::lonnet::delenv('form.counter');
+ if ($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 {
+ $rendered =~ s/\\end{document}//;
+ }
+ if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ my %form;
+ $form{'answer_output_mode'}='tex';
+ my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
+ $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
+ }
+ $current_output .= $rendered;
+ }
+ $flag_latex_header_remove = 'YES';
+ }
+ }
+ my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ if ($current_output=~/\\documentclass/) {
+ $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}} - $courseidinfo \\hfill \\thepage \\\\ \\textit{$helper->{VARS}->{'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 '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}} - '.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$helper->{VARS}->{'assignment'}.'}}} \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);
}
-#-- additional cleanup for output
- my $first_app = index($result,'\documentclass',0);
- $first_app = index($result,'\documentclass',$first_app+5);
- while ($first_app != -1) {
- my $second_app = index($result,'begin{document}',$first_app);
- $first_app = rindex($result,'\end{document}',$first_app);
- substr($result,$first_app,$second_app-$first_app+15) = '\vskip 3 mm';
- $first_app = index($result,'\documentclass',$first_app+5);
+ &Apache::lonhtmlcommon::Close_PrgWin($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';
+ my $rndseed=time;
+ for (my $i=0;$i<=$#list_of_files;$i++) {
+ my $urlp = $list_of_files[$i];
+ if ($urlp=~/\//) {
+ my %form;
+ $form{'grade_target'}='tex';
+ $form{'textwidth'}=$LaTeXwidth;
+ $form{'rndseed'}=$rndseed;
+ if ($urlp =~ m|/home/([^/]+)/public_html|) {
+ $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
+ } else {
+ $urlp =~ s|^/home/httpd/html||;
+ }
+ my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ my %form;
+ $form{'grade_target'}='answer';
+ $form{'answer_output_mode'}='tex';
+ $form{'rndseed'}=$rndseed;
+ my $answer=&Apache::lonnet::ssi($urlp,%form);
+ $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ }
+ #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;
+ }
+ $flag_latex_header_remove = 'YES';
}
+ if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
+ $result .= '\end{document}';
}
-#-- corrections for the different page formats
- if ($layout eq 'CBI') {
- $result =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{-40pt}\\setlength{\\evensidemargin}{-60pt}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{4\.4in}\\setlength{\\textheight}{6\.8in}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt} \\begin{document}/;
- $laystyle = 'album';
- } elsif ($layout eq 'CAPA') {
- my $courseidinfo = $ENV{'request.role'};
- $_ = $courseidinfo;
- m/.*\/(.*)/;
- $courseidinfo = $ENV{'course.physnet_'.$1.'.description'};
- $result =~ s/\\documentclass\[letterpaper\]{article}/\\documentclass\[twocolumn\]{article}/;
- $result =~ s/\\begin{document}/\\textheight 25\.9cm\\oddsidemargin = -0\.57in\\evensidemargin = -0\.57in\\textwidth= 7\.7in\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}}\\hskip 1\.4in $courseidinfo \\vskip 5 mm /;
- $result =~ s/\\includegraphics/\\includegraphics\[width=9\.0 cm\]/g;
- $result =~ s/(\\end{document})/\\newline\\noindent\\makebox\[9.0cm\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Dept\. of Physics and Astronomy, MSU\\makebox\[1.5cm\]\[b\]{\\hfill}LON-CAPA\\copyright MSU GNU\/GPS $1/;
- }
-#-- LaTeX corrections
- my $first_comment = index($result,'<!--',0);
- while ($first_comment != -1) {
- my $end_comment = index($result,'-->',$first_comment);
- substr($result,$first_comment,$end_comment-$first_comment+3) = '';
- $first_comment = index($result,'<!--',$first_comment);
- }
- $result =~ s/^\s+$//gm; #remove empty lines
- $result =~ s/%/\\%/g; #corrects %
- $result =~ s/(\s)+/$1/g; #removes more than one empty space
- $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
- $result =~ s/ (<|>|) / \$$1\$ /g; #corrects < or >
- $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent/g;
- $result =~ s/{\\par }\s*\\\\/\\\\/gm;
-#-- Do all of eps figures exist?
- my $needconvert = 0;
- $_ = $result;
- if (/\\needepsconversion/) { $needconvert = 1; }
+#-------------------------------------------------------- corrections for the different page formats
+ $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'});
+ $result = &latex_corrections($number_of_columns,$result);
+ #changes page's parameters for the one column output
+# if ($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;
- $filename = "/home/httpd/prtspool/$ENV{'user.name'}$ENV{'user.domain'}temp$ENV{'user.login.time'}.tex";
+ 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&$laystyle&$needconvert">
+<meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
</body>
</html>
FINALEND
@@ -258,94 +786,587 @@ FINALEND
+sub handler {
-sub content_map {
-#-- find a list of files to print
- my $map_string = shift;
- my @number_seq = ();
- my @file_seq = ();
- my $startlink = index($map_string,'<link',0);
- my $endlink = index($map_string,'</link>',$startlink);
- my $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
- $_ = $chunk;
- m/from=\"(\d+)\"/;
- push @number_seq,$1;
- while ($startlink != -1) {
- $endlink = index($map_string,'</link>',$startlink);
- $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
- substr($map_string,$startlink,$endlink-$startlink+7) = '';
- $_ = $chunk;
- m/to=\"(\d+)\"/;
- push @number_seq,$1;
- $startlink = index($map_string,'from="'.$1.'"',$startlink);
- $startlink = rindex($map_string,'<link ',$startlink);
- }
- my $stalink = index($map_string,' to="'.$number_seq[0].'"',$startlink);
- while ($stalink != -1) {
- $startlink = rindex($map_string,'<link ',$stalink);
- $endlink = index($map_string,'</link>',$startlink);
- $chunk = substr($map_string,$startlink,$endlink-$startlink+7);
- substr($map_string,$startlink,$endlink-$startlink+7) = '';
- $_ = $chunk;
- m/from=\"(\d+)\"/;
- unshift @number_seq,$1;
- $stalink = index($map_string,' to="'.$number_seq[0].'"',0);
- }
- for (my $i=0;$i<=$#number_seq;$i++) {
- $stalink = index($map_string,' id="'.$number_seq[$i].'"',0);
- {
- my $ahed1 = index($map_string,'src="',$stalink);
- my $ahed2 = index($map_string,'</resource>',$stalink);
- if ($ahed1 != -1) {
- if ($ahed1 < $ahed2) {
- $startlink = $ahed1;
- } else {
- $startlink = rindex($map_string,'src="',$stalink);
- }
- } else {
- $startlink = rindex($map_string,'src="',$stalink);
- }
+ my $r = shift;
+ my $helper;
- }
- $startlink = index($map_string,'"',$startlink);
- $endlink = index($map_string,'"',$startlink+1);
- $chunk = substr($map_string,$startlink,$endlink-$startlink+1);
- push @file_seq,$chunk;
+# 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; }
+
+ my $result = printHelper($r);
+ if (!ref($result)) {
+ return $result;
}
- return @file_seq;
-}
+ $helper = $result;
+
+# my $key;
+# foreach $key (keys %{$helper->{'VARS'}}) {
+# $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
+# }
+# return OK;
+ my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
+
+ &output_data($r,$helper,\%parmhash);
+ return OK;
+}
-sub handler {
+use Apache::lonhelper;
+sub printHelper {
my $r = shift;
- $r->content_type('text/html');
+
+ if ($ENV{'request.course.id'}) {
+ my $fn=$ENV{'request.course.fn'};
+ tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
+ }
+
+ if ($r->header_only) {
+ if ($ENV{'browser.mathml'}) {
+ $r->content_type('text/xml');
+ } else {
+ $r->content_type('text/html');
+ }
+ $r->send_http_header;
+ return OK;
+ }
+
+ # Send header, nocache
+ if ($ENV{'browser.mathml'}) {
+ $r->content_type('text/xml');
+ } else {
+ $r->content_type('text/html');
+ }
+ &Apache::loncommon::no_cache($r);
$r->send_http_header;
+ $r->rflush();
-#-- start form
- &headerform($r);
-#-- menu for output
- unless ($ENV{'form.phase'}) {
- &menu_for_output($r);
- }
-#-- core part
- if ($ENV{'form.phase'} eq 'two') {
- &output_data($r);
+ # 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 Helper");
+ $helper->declareVar('symb');
+ $helper->declareVar('postdata');
+ $helper->declareVar('filename');
+ $helper->declareVar('construction');
+ $helper->declareVar('assignment');
+
+ # This will persistently load in the data we want from the
+ # very first screen.
+ # Detect whether we're coming from construction space
+ if ($ENV{'form.postdata'} =~ /http:\/\// ) {
+ $ENV{'form.postdata'} =~ /http:\/\/[^\/]+\/~([^\/]+)\/(.*)/;
+ $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'});
+ }
+ }
+
+ 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,$mapTitle) = &details_for_menu;
+ if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
+
+
+ # Extract map
+ 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);
+
+ 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);
+ }
+
+ my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
+
+ Apache::lonhelper::registerHelperTags();
+
+ # "Delete everything after the last slash."
+ $subdir =~ s|/[^/]+$||;
+ if (not $helper->{VARS}->{'construction'}) {
+ $subdir='/home/httpd/html/res/'.$subdir;
+ }
+ # "Remove all duplicate slashes."
+ $subdir =~ s|/+|/|g;
+
+ # 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 form input
+ # won't allow anyone to reach states they shouldn't have permission
+ # to reach.
+
+ # 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}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
+
+ my $isProblem = '$res->is_problem()';
+ $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
+ my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
+ my $isNotMap = '!$res->is_map()';
+ $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
+ 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 $ENV{'request.role'}=~m/^ta\./) and ($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()';
+ $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
+ my $isProblemOrMap = '($res->is_problem() || $res->is_map())';
+ $isProblemOrMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
+ 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" suppressEmptySequences='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">
+ <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 $symb</valuefunc>
+ </resource>
+ <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
+ <choices variable="EMPTY_PAGES">
+ <choice computer='0'>Start each student\'s assignment on a new page (add a pagefeed after each assignment)</choice>
+ <choice computer='1'>Add one empty page after each student\'s assignment</choice>
+ <choice computer='2'>Add two empty pages after each student\'s assignment</choice>
+ </choices>
+ </state>
+CHOOSE_STUDENTS
+ }
+
+ # FIXME: That RE should come from a library somewhere.
+ if ((((&Apache::lonnet::allowed('bre',$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'}) and $ENV{'request.role.adv'}) {
+ push @{$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'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or
+ ($helper->{VARS}->{'construction'} eq '1')) {
+ $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;
+ }
+
+ $r->print($helper->display());
+
+ Apache::lonhelper::unregisterHelperTags();
+
+ untie %hash;
+
return OK;
+}
-}
1;
-__END__
+package Apache::lonprintout::page_format_state;
+=pod
+=head1 Helper element: page_format_state
+
+See lonhelper.pm documentation for discussion of the helper framework.
+
+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>(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;
+
+my $maxColumns = 2;
+my @paperSize = ("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]" );
+
+# Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
+# Paper type
+
+sub new {
+ my $self = Apache::lonhelper::element->new();
+
+ shift;
+
+ $self->{'variable'} = shift;
+ my $helper = Apache::lonhelper::getHelper();
+ $helper->declareVar($self->{'variable'});
+ bless($self);
+ return $self;
+}
+
+sub render {
+ my $self = shift;
+ my $helper = Apache::lonhelper::getHelper();
+ my $result = '';
+ my $var = $self->{'variable'};
+
+ $result .= <<STATEHTML;
+
+<p><big><i><b>What page format do you prefer?</b></i></big></p>
+<table cellpadding="3">
+ <tr>
+ <td align="center"><b>Page layout</b></td>
+ <td align="center"><b>Number of columns</b></td>
+ <td align="center"><b>Paper type</b></td>
+ </tr>
+ <tr>
+ <td>
+ <input type="radio" name="${var}.layout" value="L" /> Landscape<br />
+ <input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait
+ </td>
+ <td align="center">
+ <select name="${var}.cols">
+STATEHTML
+
+ my $i;
+ for ($i = 1; $i <= $maxColumns; $i++) {
+ if ($i == 2) {
+ $result .= "<option value='$i' selected>$i</option>\n";
+ } else {
+ $result .= "<option value='$i'>$i</option>\n";
+ }
+ }
+
+ $result .= "</select></td><td>\n";
+ $result .= "<select name='${var}.paper'>\n";
+
+ $i = 0;
+ foreach (@paperSize) {
+ if ($i == 0) {
+ $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
+ } else {
+ $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
+ }
+ $i++;
+ }
+
+ $result .= "</select></td></tr></table>";
+ 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.lmarginunit'>
+ <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__
-#### Test block
-# my $ere;
-# foreach $ere (%ENV) {
-# $result .= ' SS '.$ere.' => '.$ENV{$ere}.' FF '."\n\n";
-# }
-####