[BACK]Return to lonprintout.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonprintout.pm between versions 1.90 and 1.324

version 1.90, 2002/11/18 15:20:56 version 1.324, 2004/08/13 18:06:14
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Internal Server Error Handler  
 #  
 # (Login Screen  
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,  
 # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)  
 #  
 # 3/1/1 Gerd Kortemeyer)  
 #  
 # 3/1 Gerd Kortemeyer  
 #  
 # 9/17 Alex Sakharuk  
 #  #
 package Apache::lonprintout;  package Apache::lonprintout;
   
Line 49  use Apache::grades; Line 38  use Apache::grades;
 use Apache::edit;  use Apache::edit;
 use Apache::File();  use Apache::File();
 use Apache::lonnavmaps;  use Apache::lonnavmaps;
   use Apache::lonratedt;
 use POSIX qw(strftime);  use POSIX qw(strftime);
   use Apache::lonlocal;
 use GDBM_File;  use GDBM_File;
   
   
 my %hash;  my %hash;
 my $LaTeXwidth = 0;  my $LaTeXwidth = 0;
   
 sub headerform {  
     my $r = shift;  sub latex_header_footer_remove {
     $r->print(<<ENDHEADER);      my $text = shift;
 <html>      $text =~ s/\\end{document}//;
 <head>      $text =~ s/\\documentclass([^&]*)\\begin{document}//;
 <title>LON-CAPA output for printing</title>      return $text;
 </head>  
 <body bgcolor="FFFFFF">  
 <form method="post" enctype="multipart/form-data" action="/adm/printout" name="printform">  
 ENDHEADER  
     if ($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) {   
     $r->print(<<ENDHEADER1);  
 <b>Path to current document: </b><tt>$ENV{'form.postdata'}</tt><p>  
 ENDHEADER1  
 }  }
   
   
   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;/\\ensuremath\{=\}/g;
       $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
       $result =~ s/&\#0?63;/\?/g;
       $result =~ s/&\#0?65;/A/g;
       $result =~ s/&\#0?66;/B/g;
       $result =~ s/&\#0?67;/C/g;
       $result =~ s/&\#0?68;/D/g;
       $result =~ s/&\#0?69;/E/g;
       $result =~ s/&\#0?70;/F/g;
       $result =~ s/&\#0?71;/G/g;
       $result =~ s/&\#0?72;/H/g;
       $result =~ s/&\#0?73;/I/g;
       $result =~ s/&\#0?74;/J/g;
       $result =~ s/&\#0?75;/K/g;
       $result =~ s/&\#0?76;/L/g;
       $result =~ s/&\#0?77;/M/g;
       $result =~ s/&\#0?78;/N/g;
       $result =~ s/&\#0?79;/O/g;
       $result =~ s/&\#0?80;/P/g;
       $result =~ s/&\#0?81;/Q/g;
       $result =~ s/&\#0?82;/R/g;
       $result =~ s/&\#0?83;/S/g;
       $result =~ s/&\#0?84;/T/g;
       $result =~ s/&\#0?85;/U/g;
       $result =~ s/&\#0?86;/V/g;
       $result =~ s/&\#0?87;/W/g;
       $result =~ s/&\#0?88;/X/g;
       $result =~ s/&\#0?89;/Y/g;
       $result =~ s/&\#0?90;/Z/g;
       $result =~ s/&\#0?91;/[/g;
       $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
       $result =~ s/&\#0?93;/]/g;
       $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
       $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
       $result =~ s/&\#(0?96|145);/\`/g;
       $result =~ s/&\#0?97;/a/g;
       $result =~ s/&\#0?98;/b/g;
       $result =~ s/&\#0?99;/c/g;
       $result =~ s/&\#100;/d/g;
       $result =~ s/&\#101;/e/g;
       $result =~ s/&\#102;/f/g;
       $result =~ s/&\#103;/g/g;
       $result =~ s/&\#104;/h/g;
       $result =~ s/&\#105;/i/g;
       $result =~ s/&\#106;/j/g;
       $result =~ s/&\#107;/k/g;
       $result =~ s/&\#108;/l/g;
       $result =~ s/&\#109;/m/g;
       $result =~ s/&\#110;/n/g;
       $result =~ s/&\#111;/o/g;
       $result =~ s/&\#112;/p/g;
       $result =~ s/&\#113;/q/g;
       $result =~ s/&\#114;/r/g;
       $result =~ s/&\#115;/s/g;
       $result =~ s/&\#116;/t/g;
       $result =~ s/&\#117;/u/g;
       $result =~ s/&\#118;/v/g;
       $result =~ s/&\#119;/w/g;
       $result =~ s/&\#120;/x/g;
       $result =~ s/&\#121;/y/g;
       $result =~ s/&\#122;/z/g;
       $result =~ s/&\#123;/\\{/g;
       $result =~ s/&\#124;/\|/g;
       $result =~ s/&\#125;/\\}/g;
       $result =~ s/&\#126;/\~/g;
       $result =~ s/&\#131;/\\textflorin /g;
       $result =~ s/&\#132;/\"/g;
       $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
       $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
       $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
       $result =~ s/&\#137;/\\textperthousand /g;
       $result =~ s/&\#140;/{\\OE}/g;
       $result =~ s/&\#147;/\`\`/g;
       $result =~ s/&\#148;/\'\'/g;
       $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
       $result =~ s/&\#150;/--/g;
       $result =~ s/&\#151;/---/g;
       $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
       $result =~ s/&\#153;/\\texttrademark /g;
       $result =~ s/&\#156;/\\oe/g;
       $result =~ s/&\#159;/\\\"Y/g;
       $result =~ s/&(\#160|nbsp);/~/g;
       $result =~ s/&(\#161|iexcl);/!\`/g;
       $result =~ s/&(\#162|cent);/\\textcent /g;
       $result =~ s/&(\#163|pound);/\\pounds /g; 
       $result =~ s/&(\#164|curren);/\\textcurrency /g;
       $result =~ s/&(\#165|yen);/\\textyen /g;
       $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
       $result =~ s/&(\#167|sect);/\\textsection /g;
       $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
       $result =~ s/&(\#169|copy);/\\copyright /g;
       $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
       $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
       $result =~ s/&(\#173|shy);/ - /g;
       $result =~ s/&(\#174|reg);/\\textregistered /g;
       $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
       $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
       $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
       $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
       $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
       $result =~ s/&(\#180|acute);/\\textacute /g;
       $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
       $result =~ s/&(\#182|para);/\\P/g;
       $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
       $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
       $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
       $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
       $result =~ s/&(\#188|frac14);/\\textonequarter /g;
       $result =~ s/&(\#189|frac12);/\\textonehalf /g;
       $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
       $result =~ s/&(\#191|iquest);/?\`/g;   
       $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
       $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
       $result =~ s/&(\#194|Acirc);/\\^{A}/g;
       $result =~ s/&(\#195|Atilde);/\\~{A}/g;
       $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
       $result =~ s/&(\#197|Aring);/{\\AA}/g;
       $result =~ s/&(\#198|AElig);/{\\AE}/g;
       $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
       $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
       $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
       $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
       $result =~ s/&(\#203|Euml);/\\\"{E}/g;
       $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
       $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
       $result =~ s/&(\#206|Icirc);/\\^{I}/g;
       $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
       $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
       $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
       $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
       $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
       $result =~ s/&(\#213|Otilde);/\\~{O}/g;
       $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
       $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
       $result =~ s/&(\#216|Oslash);/{\\O}/g;
       $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
       $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
       $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
       $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
       $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
       $result =~ s/&(\#223|szlig);/\\ss/g;
       $result =~ s/&(\#224|agrave);/\\\`{a}/g;
       $result =~ s/&(\#225|aacute);/\\\'{a}/g;
       $result =~ s/&(\#226|acirc);/\\^{a}/g;
       $result =~ s/&(\#227|atilde);/\\~{a}/g;
       $result =~ s/&(\#228|auml);/\\\"{a}/g;
       $result =~ s/&(\#229|aring);/{\\aa}/g;
       $result =~ s/&(\#230|aelig);/{\\ae}/g;
       $result =~ s/&(\#231|ccedil);/\\c{c}/g;
       $result =~ s/&(\#232|egrave);/\\\`{e}/g;
       $result =~ s/&(\#233|eacute);/\\\'{e}/g;
       $result =~ s/&(\#234|ecirc);/\\^{e}/g;
       $result =~ s/&(\#235|euml);/\\\"{e}/g;
       $result =~ s/&(\#236|igrave);/\\\`{i}/g;
       $result =~ s/&(\#237|iacute);/\\\'{i}/g;
       $result =~ s/&(\#238|icirc);/\\^{i}/g;
       $result =~ s/&(\#239|iuml);/\\\"{i}/g;
       $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
       $result =~ s/&(\#241|ntilde);/\\~{n}/g;
       $result =~ s/&(\#242|ograve);/\\\`{o}/g;
       $result =~ s/&(\#243|oacute);/\\\'{o}/g;
       $result =~ s/&(\#244|ocirc);/\\^{o}/g;
       $result =~ s/&(\#245|otilde);/\\~{o}/g;
       $result =~ s/&(\#246|ouml);/\\\"{o}/g;
       $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
       $result =~ s/&(\#248|oslash);/{\\o}/g;
       $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
       $result =~ s/&(\#250|uacute);/\\\'{u}/g;
       $result =~ s/&(\#251|ucirc);/\\^{u}/g;
       $result =~ s/&(\#252|uuml);/\\\"{u}/g;
       $result =~ s/&(\#253|yacute);/\\\'{y}/g;
       $result =~ s/&(\#255|yuml);/\\\"{y}/g;
       $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
   #Greek Alphabet
       $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
       $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
       $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
       $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
       $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
       $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
       $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
       $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
       $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
       $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
       $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
       $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
       $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
       $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
       $result =~ s/&(omicron|\#959);/o/g;
       $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
       $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
       $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
       $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
       $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
       $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
       $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
       $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
       $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
       $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
       $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
       $result =~ s/&(Alpha|\#913);/A/g;
       $result =~ s/&(Beta|\#914);/B/g;
       $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
       $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
       $result =~ s/&(Epsilon|\#917);/E/g;
       $result =~ s/&(Zeta|\#918);/Z/g;
       $result =~ s/&(Eta|\#919);/H/g;
       $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
       $result =~ s/&(Iota|\#921);/I/g;
       $result =~ s/&(Kappa|\#922);/K/g;
       $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
       $result =~ s/&(Mu|\#924);/M/g;
       $result =~ s/&(Nu|\#925);/N/g;
       $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
       $result =~ s/&(Omicron|\#927);/O/g;
       $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
       $result =~ s/&(Rho|\#929);/P/g;
       $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
       $result =~ s/&(Tau|\#932);/T/g;
       $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
       $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
       $result =~ s/&(Chi|\#935);/X/g;
       $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
       $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
   #Arrows (extended HTML 4.01)
       $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
       $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
       $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
       $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
       $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
       $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
       $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
       $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
       $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
       $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
   #Mathematical Operators (extended HTML 4.01)
       $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
       $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
       $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
       $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
       $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
       $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
       $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
       $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
       $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
       $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
       $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
       $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
       $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
       $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
       $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
       $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
       $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
       $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
       $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
       $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
       $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
       $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
       $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
       $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
       $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
       $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
       $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
       $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
       $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
       $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
       $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
       $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
       $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
       $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
       $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
       $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
       $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
   #Geometric Shapes (extended HTML 4.01)
       $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
   #Miscellaneous Symbols (extended HTML 4.01)
       $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
       $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
       $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
       $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
       return $result;
 }  }
   
   
 sub menu_for_output {  sub page_format {
     my $r = shift;  #
     my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu;  #Correspondence between $papersize variable and real paper format:
     my $assignment = $title_for_sequence;  # 0 - "Letter [8 1/2x11 in]"
     if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';}  # 1 - "Legal [8 1/2x14 in]"
     if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';}  # 2 - "Ledger/Tabloid [11x17 in]"
     if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';}  # 3 - "Executive [7 1/2x10 in]"
     my $subdir_to_print = $ENV{'form.postdata'};  # 4 - "A2 [420x594 mm]"
     $subdir_to_print =~ m/\/([^\/]+)$/;  # 5 - "A3 [297x420 mm]"
     $subdir_to_print =~ s/$1//;  # 6 - "A4 [210x297 mm]"
     $r->print(<<ENDMENUOUT1);  # 7 - "A5 [148x210 mm]"
 <h1>What do you want to print? Make a choice.</h1><br />  # 8 - "A6 [105x148 mm]"
 <input type="hidden" name="phase" value="two">  # 
 <input type="hidden" name="url" value="$ENV{'form.postdata'}">      my ($papersize,$layout,$numberofcolumns) = @_; 
 <input type="hidden" name="assignment" value="$assignment">      my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
 <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>      if ($papersize eq '0') {
 (prints what you just saw on the screen)<br />   if ($layout eq 'book') {
 ENDMENUOUT1      if ($numberofcolumns == 1) {
     if ($ENV{'form.postdata'}=~/\/res\//) {   $textwidth = '7.1 in';      #'18 cm';
  $r->print(<<ENDMENUOUT2);   $textheight = '10.2 in';    #'25.9 cm';
 <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Problem(s) from <b>$title_for_sequence</b><br />   $oddoffset = '-0.57 in';
 <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  Problem(s) plus page(s) or html/xml file(s) from <b>$title_for_sequence</b><br />   $evenoffset = '-0.57 in';
 ENDMENUOUT2      } elsif ($numberofcolumns == 2) {
     }   $textwidth = '3.66 in';     #'93 mm';
     if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) {    $textheight = '10.2 in';    #'25.9 cm';
  $r->print(<<ENDMENUOUT6);   $oddoffset = '-0.57 in';
 <input type="radio" name="choice" value="Standard LaTeX output for the top level sequence">  All problems in this course (<b>warning:</b> this may be time consuming) <br />   $evenoffset = '-0.57 in';
 <br />      }
 <input type="radio" name="choice" value="All class print">  All problems from <b>$title_for_sequence</b> for selected students<br /><br />   } elsif ($layout eq 'album') {
 ENDMENUOUT6      if ($numberofcolumns eq '1') {
    $textwidth = '8.8 in';
    $textheight = '6.8 in';
    $oddoffset = '-40 pt';
    $evenoffset = '-60 pt';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '4.4 in';
    $textheight = '6.8 in';
    $oddoffset = '-0.5 in';
    $evenoffset = '-1.5 in';
    $topmargin = '3.5 in';
       }
    }
       } elsif($papersize eq '1') {
    if ($layout eq 'book') {
       if ($numberofcolumns == 1) {
    $textwidth = '7.1 in';      
    $textheight = '13 in';    
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '3.66 in';     
    $textheight = '13 in';    
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       }
    } elsif ($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 = '4.4 in';
   # $textheight = '6.8 in';
   # $oddoffset = '-0.5 in';
   # $evenoffset = '-1.5 in';
   # $topmargin = '3.5 in';
       }
    }
       } elsif($papersize eq '2') {
    if ($layout eq 'book') {
       if ($numberofcolumns == 1) {
    $textwidth = '9.8 in';      
    $textheight = '16 in';    
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '4.9 in';     
    $textheight = '16 in';    
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       }
    } elsif ($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 = '4.4 in';
   # $textheight = '6.8 in';
   # $oddoffset = '-0.5 in';
   # $evenoffset = '-1.5 in';
   # $topmargin = '3.5 in';
       }
    }
       } elsif($papersize eq '3') {
    if ($layout eq 'book') {
       if ($numberofcolumns == 1) {
    $textwidth = '7 in';      
    $textheight = '9 in';    
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '3.5 in';     
    $textheight = '9 in';    
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       }
    } elsif ($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 = '4.4 in';
   # $textheight = '6.8 in';
   # $oddoffset = '-0.5 in';
   # $evenoffset = '-1.5 in';
   # $topmargin = '3.5 in';
       }
    }
       } elsif($papersize eq '6') {
    if ($layout eq 'book') {
       if ($numberofcolumns == 1) {
    $textwidth = '176 mm';
    $textheight = '272 mm';
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       } elsif ($numberofcolumns == 2) {
    $textwidth = '91 mm';
    $textheight = '272 mm';
    $oddoffset = '-0.57 in';
    $evenoffset = '-0.57 in';
    $topmargin = '-0.5 in';
       }
    } elsif ($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') {
     }      }
       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});      return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
       $subdirtoprint =~ s/\/[^\/]+$//;  
       if (&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') {  
   $r->print(<<ENDMENUOUT4);  
   <input type="radio" name="choice" value="Subdirectory print">  Problems from current subdirectory <b>$subdir_to_print</b><br />  
 ENDMENUOUT4  
       }  
     $r->print(<<ENDMENUOUT5);  
 <br /><hr /><br />  
 <h1>And what page format do you prefer?</h1>  
 <table>  
  <tr>  
    <td>  
      <input type="radio" name="layout" value="CBI"> Landscape <br />  
      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />  
    </td>  
    <td>&nbsp;</td>  
    <td rawspan="2">  
      Number of columns: <select name="numberofcolumns">  
                          <option> 1 </option>  
                          <option selected> 2 </option>  
                         </select>   
    </td>  
    <td rawspan="2">  
      Paper size (format [width x height]): <select name="papersize">  
                                             <option selected> Letter [8 1/2x11 in] </option>  
                                             <option> Legal [8 1/2x14 in] </option>  
                                             <option> Ledger/Tabloid [11x17 in] </option>  
                                             <option> Executive [7 1/2x10 in] </option>  
                                             <option> A2 [420x594 mm] </option>  
                                             <option> A3 [297x420 mm] </option>  
                                             <option> A4 [210x297 mm] </option>  
                                             <option> A5 [148x210 mm] </option>  
                                             <option> A6 [105x148 mm] </option>  
                                            </select>   
    </td>  
  </tr>  
 </table>  
 </br>   
 <input type="submit" value="Submit your choice">  
 ENDMENUOUT5  
 }  }
   
   
 sub sequence_content_menu {  sub get_name {
     my ($key_to,$r) = @_;      my ($uname,$udom)=@_;
     my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});      if (!defined($uname)) { $uname=$ENV{'user.name'}; }
     my @sequence = split('___',$symbolic);      if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
     my $primary_sequence = '/res/'.$sequence[0];         my $plainname=&Apache::loncommon::plainname($uname,$udom);
     my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]);      if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
     my @master_seq_view = @master_seq;      $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
     for (my $i=0;$i<=$#master_seq_view;$i++) {      return $plainname;
  $master_seq_view[$i]=~/\/([^\/]+)$/;  }
  $master_seq_view[$i]=$1;  
     }  sub get_course {
     $r->print(<<ENDMENUOUT1);      my $courseidinfo;
 <input type="hidden" name="url" value="$ENV{'form.url'}">      if (defined($ENV{'request.course.id'})) {
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">   $courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">  
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">  
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">  
 <h1>Mark item(s) which you want to print</h1>  
 <script>  
     function checkall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  
             if   
           (document.forms.printform.elements[i].name.indexOf('whatfile')==0) {  
       document.forms.printform.elements[i].checked=true;  
             }  
         }  
     }      }
     function uncheckall() {      return $courseidinfo;
  for (i=0; i<document.forms.printform.elements.length; i++) {  }
             if   
           (document.forms.printform.elements[i].name.indexOf('whatfile')==0) {  sub page_format_transformation {
       document.forms.printform.elements[i].checked=false;      my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
             }      my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
         }      if ($selectionmade eq '4') {
    $assignment='Problems from the Whole Course';
       } else {
    $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
     }      }
 </script>      ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
 <input type=button onClick="checkall()" value="Check All">&nbsp;      my $name = &get_name();
 <input type=button onClick="uncheckall()" value="Uncheck">      my $courseidinfo = &get_course();
 <p>      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
 ENDMENUOUT1      my $topmargintoinsert = '';
     my $inc=0;       if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
     for (my $i=0;$i<=$#master_seq_view;$i++) {      if ($layout eq 'album') {
       if ($key_to==1 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {      $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}} \\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1} /;
  $r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '.      } elsif ($layout eq 'book') {
                   $master_seq_view[$i]);  
         $inc++;   if ($choice ne 'All class print') { 
     } elsif ($key_to==0 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) {      $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\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}/;
  $r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '.   } else {
                   $master_seq_view[$i]);      $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\\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 /;
         $inc++;   }
       }   if ($papersize eq '6') {
       $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
    }
     }      }
     $r->print(<<ENDMENUOUT2);      if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
 <br />      if ($indexlist eq 'yes') {
 <input type="hidden" name="numberoffiles" value="$inc">   $text=~s/(\\begin{document})/\\makeindex $1/;
 <input type="hidden" name="phase" value="three">   $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
 <input type="submit" value="Submit">      }
 ENDMENUOUT2      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 problem_choice_menu {  sub details_for_menu {
     my $r = shift;  
     my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});      my $name_of_resourse = &Apache::lonnet::gettitle($ENV{'form.postdata'});
     $subdirtoprint =~ s/\/[^\/]+$//;      my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
     my @list_of_files = ();      my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
     if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {      $map=&Apache::lonnet::clutter($map);
  $subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//;      my $name_of_sequence = &Apache::lonnet::gettitle($map);
     } else {      if ($name_of_sequence =~ /^\s*$/) {
  $subdirtoprint =~ s/.*(\/res\/)/$1/;   $map =~ m|([^/]+)$|;
     }   $name_of_sequence = $1;
     my @content_directory = ();  
     if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {  
  @content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');  
     } else {  
  @content_directory = &Apache::lonnet::dirlist($subdirtoprint);  
     }      }
     for (my $iy=0;$iy<=$#content_directory;$iy++) {      my $name_of_map = &Apache::lonnet::gettitle($ENV{'request.course.uri'});
  my @tempo_array = split(/&/,$content_directory[$iy]);      if ($name_of_map =~ /^\s*$/) {
  if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) {   $ENV{'request.course.uri'} =~ m|([^/]+)$|;
     push(@list_of_files,$tempo_array[0]);   $name_of_map = $1;
  }  
     }  
     $subdirtoprint =~ s/\/$//;  
     for (my $i=0;$i<=$#list_of_files;$i++) {  
  $list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i];  
     }  
     $r->print(<<ENDMENUOUT1);  
 <input type="hidden" name="url" value="$ENV{'form.url'}">  
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">  
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">  
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">  
 <h1>Mark problems which you want to print</h1>  
 <script>  
     function checkall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  
             if   
           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {  
       document.forms.printform.elements[i].checked=true;  
             }  
         }  
     }      }
       return ($name_of_resourse,$name_of_sequence,$name_of_map);
   
   }
   
     function uncheckall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  sub latex_corrections {
             if   
           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {      my ($number_of_columns,$result,$selectionmade) = @_;
       document.forms.printform.elements[i].checked=false;  
             }  #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
         }      $result =~ s/\$number_of_columns/$number_of_columns/g;
       if ($selectionmade ne '1') {
    $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
       } else {
    $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
     }      }
 </script>      $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
 <input type=button onClick="checkall()" value="Check All">&nbsp;      $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
 <input type=button onClick="uncheckall()" value="Uncheck">  #-- LaTeX corrections     
 <p>      my $first_comment = index($result,'<!--',0);
 ENDMENUOUT1      while ($first_comment != -1) {
     my $i=0;   my $end_comment = index($result,'-->',$first_comment);
     foreach my $file (@list_of_files) {   substr($result,$first_comment,$end_comment-$first_comment+3) = '';
  $r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.   $first_comment = index($result,'<!--',$first_comment);
                   $file);  
  $i++;  
     }      }
     $r->print(<<ENDMENUOUT2);      $result =~ s/^\s+$//gm; #remove empty lines
 <br />      $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">      $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
 <input type="hidden" name="numberofproblems" value="$i">      $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
 <input type="hidden" name="phase" value="three">      $result =~ s/{\\par }\s*\\\\/\\\\/gm;
 <input type="submit" value="Submit">      $result =~ s/\\\\\s+\[/ \[/g;
 ENDMENUOUT2      #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 additional_class_menu {  sub index_table {
     my $r = shift;      my $currentURL = shift;
     $r->print(<<ENDMENUOUT1);      my $insex_string='';
 <input type="hidden" name="url" value="$ENV{'form.url'}">      $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">      $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">      return $insex_string;
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">  }
 <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">  
 <h1>Select student(s) whose assignment you want to print</h1>  
 ENDMENUOUT1  
     my %courselist=&Apache::lonnet::dump(  
                    'classlist',  
    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
     my $now=time;  
     $r->print(<<ENDDISHEADER);  
 <script>  
     function checkall() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  
             if   
           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {  
       document.forms.printform.elements[i].checked=true;  
             }  
         }  
     }  
   
     function checksec() {  
  for (i=0; i<document.forms.printform.elements.length; i++) {  sub IndexCreation {
             if       my ($texversion,$currentURL)=@_;
           (document.forms.printform.elements[i].value.indexOf      my @key_words=split(/,/,&index_table($currentURL));
            (document.forms.printform.chksec.value)==0) {      my $chunk='';
       document.forms.printform.elements[i].checked=true;      my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
             }      if ($st>0) {
         }   for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
    $chunk=substr($texversion,0,$st+1);
    substr($texversion,0,$st+1)=' ';
       }
       foreach my $key_word (@key_words) {
    if ($key_word=~/\S+/) {
       $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
    }
       }
       if ($st>0) {substr($texversion,0,1)=$chunk;}
       return $texversion;
   }
   
   sub print_latex_header {
       my $mode=shift;
       my $output='\documentclass[letterpaper]{article}';
       if ($mode eq 'batchmode') {
    $output.='\batchmode';
       }
       $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'.
        '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'.
        '\usepackage[dvips]{graphicx}\usepackage{epsfig}\usepackage{calc}'.
        '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'.
        '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'.
        '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'.
        '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'.
        '\setlength{\abovedisplayshortskip}{-0.04in}'.
        '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
        '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'.
        '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'.
        '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'.
        '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'.
        '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'.
        '\setlength{\abovedisplayshortskip}{-0.04in}'.
        '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}';
       return $output;     
   }
   
   sub path_to_problem {
       my ($urlp,$LaTeXwidth)=@_;
       my $newurlp = '';
       $LaTeXwidth=~s/\s*mm\s*$//;
       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--;
    }
       }
    }
       } else {
    $newurlp=$urlp;
     }      }
       return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
   }
   
     function uncheckall() {  sub recalcto_mm {
  for (i=0; i<document.forms.printform.elements.length; i++) {      my $textwidth=shift;
             if       my $LaTeXwidth;
           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {      if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
       document.forms.printform.elements[i].checked=false;   $LaTeXwidth = $1*10;
             }      } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
         }   $LaTeXwidth = $1;
       } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
    $LaTeXwidth = $1*25.4;
     }      }
 </script>      $LaTeXwidth.=' mm';
 <input type=button onClick="checkall()" value="Check All">&nbsp;      return $LaTeXwidth;
 <input type=button onClick="checksec()" value="Check Section/Group">  }
 <input type=text size=5 name=chksec>&nbsp;  
 <input type=button onClick="uncheckall()" value="Uncheck">  sub get_textwidth {
 <p>      my ($helper,$LaTeXwidth)=@_;
 ENDDISHEADER      my $textwidth=$LaTeXwidth;
     my $i = 0;      if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
     foreach (sort keys %courselist) {   $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
         my ($end,$start)=split(/\:/,$courselist{$_});   $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
         my $active=1;   $helper->{'VARS'}->{'pagesize.widthunit'});
         if (($end) && ($now>$end)) { $active=0; }  
         if ($active) {  
            my ($sname,$sdom)=split(/\:/,$_);  
            my %reply=&Apache::lonnet::get('environment',  
               ['firstname','middlename','lastname','generation'],  
               $sdom,$sname);  
            my $section=&Apache::lonnet::usection  
        ($sdom,$sname,$ENV{'request.course.id'});  
            $r->print(  
         '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.  
       $reply{'firstname'}.' '.   
                       $reply{'middlename'}.' '.  
                       $reply{'lastname'}.' '.  
                       $reply{'generation'}.  
                       ' ('.$_.') '.$section);  
    $i++;  
         }   
     }      }
     $r->print(<<ENDMENUOUT2);      return $textwidth;
 <br />Number of blank pages to add: <select name="addedpages"><option selected>0</option>  
                                                               <option>1</option>  
                                                               <option>2</option>  
                                                               <option>3</option>  
                                     </select>  
 <br />   
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">  
 <input type="hidden" name="numberofstudents" value="$i">  
 <input type="hidden" name="phase" value="three">  
 <input type="submit" value="Submit">  
 ENDMENUOUT2  
 }  }
   
   
 sub additional_print_menu {   sub unsupported {
     my $r = shift;      my ($currentURL,$mode)=@_;
     my $what_to_print = '';      if ($mode ne '') {$mode='\\'.$mode}
     for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {      my $result.= &print_latex_header($mode);
  $what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';      if ($currentURL=~/\/ext\//) {
     }   $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
     for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {      } else {
  $what_to_print .= '<input type="hidden" name="whattoprint'.$i.'" value="'.$ENV{'form.whattoprint'.$i}.'">';   $result.=$currentURL;
     }      }
     for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {      $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
  $what_to_print .= '<input type="hidden" name="whatfile'.$i.'" value="'.$ENV{'form.whatfile'.$i}.'">';      return $result;
     }  
     $r->print(<<ENDMENUOUT);  
     $what_to_print  
 <input type="hidden" name="url" value="$ENV{'form.url'}">  
 <input type="hidden" name="choice" value="$ENV{'form.choice'}">  
 <input type="hidden" name="layout" value="$ENV{'form.layout'}">  
 <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">  
 <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">  
 <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">  
 <input type="hidden" name="numberoffiles" value="$ENV{'form.numberoffiles'}">  
 <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">  
 <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">  
 <input type="hidden" name="addedpages" value="$ENV{'form.addedpages'}">  
 Define one column layout parameters: <br />  
 <b>Width</b>: <input type="text" name="width" width="8" value="9cm"> <br />  
 <b>Height</b>: <input type="text" name="height" width="8" value="25.9cm"> <br />  
 <b>Left margin</b>: <input type="text" name="leftmargin" width="8" value="-0.57in"> <br />  
 <input type="hidden" name="phase" value="four">  
 <input type="submit" value="Submit">  
 </form>  
 </body>  
 </html>  
 ENDMENUOUT  
 }  }
   
   
 sub output_data {  sub output_data {
     my $r = shift;      my ($r,$helper,$rparmhash) = @_;
       my %parmhash = %$rparmhash;
       my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
     $r->print(<<ENDPART);      $r->print(<<ENDPART);
 <html>  <html>
   <script type="text/javascript" language="Javascript" >
       var editbrowser;
       function openbrowser(formname,elementname,only,omit) {
           var url = '/res/?';
           if (editbrowser == null) {
               url += 'launch=1&';
           }
           url += 'catalogmode=interactive&';
           url += 'mode=parmset&';
           url += 'form=' + formname + '&';
           if (only != null) {
               url += 'only=' + only + '&';
           } 
           if (omit != null) {
               url += 'omit=' + omit + '&';
           }
           url += 'element=' + elementname + '';
           var title = 'Browser';
           var options = 'scrollbars=1,resizable=1,menubar=0';
           options += ',width=700,height=600';
           editbrowser = open(url,title,options,'1');
           editbrowser.focus();
       }
   </script>
 <head>  <head>
 <title>LON-CAPA output for printing</title>  <title>LON-CAPA output for printing</title>
 </head>  </head>
 <body bgcolor="FFFFFF">  $bodytag
 <hr>  Please stand by while processing your print request, this may take some time ...
 ENDPART  ENDPART
   
     my $choice = $ENV{'form.choice'};      my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
     my $layout = $ENV{'form.layout'};      my ($result,$selectionmade) = ('','');
     my $numberofcolumns = $ENV{'form.numberofcolumns'};    
     my $papersize = $ENV{'form.papersize'};            
     my $laystyle = 'book';  
     my $assignment =  $ENV{'form.assignment'};  
     if ($choice eq 'Subdirectory print') {  
  if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}  
  if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}  
  if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}  
     }  
     if (($choice eq 'Standard LaTeX output for current document') && ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./)) {  
  if ($ENV{'form.layout'} eq '') {$layout = 'CAPA';}  
  if ($ENV{'form.papersize'} eq '') {$papersize = 'Letter [8 1/2x11 in]';}  
  if ($ENV{'form.numberofcolumns'} eq '') {$numberofcolumns = 2;}  
     }  
     my $result = '';  
     my $number_of_columns = 1; #used only for pages to determine the width of the cell      my $number_of_columns = 1; #used only for pages to determine the width of the cell
     my $selectionmade = '';      my @temporary_array=split /\|/,$format_from_helper;
     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);      my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
     my $LaTeXwidth;      if ($laystyle eq 'L') {
     $laystyle='album';
     if ($textwidth=~/(\d+\s*cm)/) {      } else {
  $LaTeXwidth = $1*10;   $laystyle='book';
     } elsif ($textwidth=~/(\d+\s*mm)/) {  
  $LaTeXwidth = $1;  
     }      }
     if ($choice eq 'Standard LaTeX output for current document') {      my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
       #-- single document - problem, page, html, xml        my $assignment =  $ENV{'form.assignment'};
       $selectionmade = 1;      my $LaTeXwidth=&recalcto_mm($textwidth); 
       my %moreenv;      my @print_array=();
       $moreenv{'form.grade_target'}='tex';      my @student_names=();
       if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) {      
   $ENV{'form.url'}=~s/http:\/\/[^\/]+//;      if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
       }        #-- single document - problem, page, html, xml, ...
       $moreenv{'request.filename'}=$ENV{'form.url'};   my $currentURL;
       $moreenv{'form.textwidth'}=$LaTeXwidth;   if ($helper->{'VARS'}->{'construction'} ne '1') {
       &Apache::lonnet::appenv(%moreenv);              #prints published resource
       my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});      $currentURL=$helper->{'VARS'}->{'postdata'};
       &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');   } else {
       $result .= $texversion;              #prints resource from the construction space
       if ($ENV{'form.url'}=~m/\.page\s*$/) {      $currentURL='/'.$helper->{'VARS'}->{'filename'};
   ($result,$number_of_columns) = &page_cleanup($result);      if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
       }   }
     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or    $selectionmade = 1;
              $choice eq 'Standard LaTeX output for whole primary sequence') {   if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
       #-- minimal sequence to which the current document belongs      my $rndseed=time;
         #-- where is the primary sequence containing file?      my $texversion='';
         my @master_seq = ();      if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
  for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {   my %moreenv;
     if ($ENV{'form.whatfile'.$i}=~/\S/) {   $moreenv{'request.filename'}=$currentURL;
  push @master_seq,$ENV{'form.whatfile'.$i};   if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
       $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
       my $dom = $ENV{'user.domain'};
       my $user = $ENV{'user.name'};
       my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
    }
    my %form;
                   if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
    $form{'grade_target'}='tex';
    $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
    if ($helper->{'VARS'}->{'curseed'}) {
       $rndseed=$helper->{'VARS'}->{'curseed'};
    }
    $form{'rndseed'}=$rndseed;
    &Apache::lonnet::appenv(%moreenv);
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonxml::init_counter();
    $texversion.=&Apache::lonnet::ssi($currentURL,%form);
    &Apache::lonnet::delenv('form.counter');
    &Apache::lonnet::delenv('request.filename');
       }
       if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
    my %form;
    $form{'grade_target'}='answer';
    $form{'answer_output_mode'}='tex';
    $form{'rndseed'}=$rndseed;
    my $answer=&Apache::lonnet::ssi($currentURL,%form);
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
    } else {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       if ($helper->{'VARS'}->{'construction'} ne '1') {
    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
       } else {
    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
    my $URLpath=$currentURL;
    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
       }
       $texversion.='\vskip 1 mm '.$answer.'\end{document}';
    }
       }
       if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
    $texversion=&IndexCreation($texversion,$currentURL);
       }
       if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
   
       }
       $result .= $texversion;
       if ($currentURL=~m/\.page\s*$/) {
    ($result,$number_of_columns) = &page_cleanup($result);
       }
           } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
               #printing content of sequence from the construction space
       my $flag_latex_header_remove = 'NO'; 
       my $rndseed=time;
       if ($helper->{'VARS'}->{'curseed'}) {
    $rndseed=$helper->{'VARS'}->{'curseed'};
       }
       $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
       my $errtext=&Apache::lonratedt::mapread($currentURL);
       for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
    $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
    my $urlp=$2;
    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
       my $texversion='';
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
    my %form;
    $form{'grade_target'}='tex';
    $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'rndseed'}=$rndseed;
    $texversion=&Apache::lonnet::ssi($urlp,%form);
       }
       if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
          ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
    my %form;
    $form{'grade_target'}='answer';
    $form{'answer_output_mode'}='tex';
    $form{'rndseed'}=$rndseed;
                           if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
    my $answer=&Apache::lonnet::ssi($urlp,%form);
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
    } else {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
       $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
       $texversion.='\vskip 1 mm '.$answer.'\end{document}';
    }
       }
       if ($flag_latex_header_remove ne 'NO') {
    $texversion = &latex_header_footer_remove($texversion);
       } else {
    $texversion =~ s/\\end{document}//;
       }
       if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
    $texversion=&IndexCreation($texversion,$urlp);
       }
       if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
       }
       $result.=$texversion;
       $flag_latex_header_remove = 'YES';
    } elsif ($urlp=~/\.(sequence|page)$/) {
       $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
    }  
     }      }
       if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
       $result .= '\end{document}';   
    } elsif ($currentURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
    my %form;
    $form{'grade_target'}='tex';
    $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
    my $texversion=&Apache::lonnet::ssi($currentURL,%form);
    $result .= $texversion;
    } else {
       $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
  }   }
       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or
        ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
         #-- produce an output string          #-- produce an output string
    if ($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') {
       $selectionmade = 4;
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
       $selectionmade = 7;
    }
    my %form=();   
    $form{'grade_target'}='tex';
    $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
  my $flag_latex_header_remove = 'NO';   my $flag_latex_header_remove = 'NO';
  my $flag_page_in_sequence = 'NO';   my $flag_page_in_sequence = 'NO';
  for (my $i=0;$i<=$#master_seq;$i++) {   my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
            my ($urlp,$symb) = split /&&/, $master_seq[$i];   my $prevassignment='';
     if ($choice eq 'Standard LaTeX output for the primary sequence') {  
               $selectionmade = 2;  
     } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') {  
               $selectionmade = 3;  
     }  
    my %moreenv;  
    $moreenv{'form.grade_target'}='tex';  
    $moreenv{'form.textwidth'}=$LaTeXwidth;  
    &Apache::lonnet::appenv(%moreenv);  
    &Apache::lonnet::logthis("Trying to get $urlp with symb $symb");  
    my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));  
    &Apache::lonnet::delenv('form.grade_target','form.textwidth');  
    if ($urlp =~ m/\.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;           
    $flag_latex_header_remove = 'YES';     
  }  
  &Apache::lonnet::delenv('form.counter');   &Apache::lonnet::delenv('form.counter');
  if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}   &Apache::lonxml::init_counter();
  $result .= '\end{document}';   for (my $i=0;$i<=$#master_seq;$i++) {
     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {      my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
         # where is the main sequence of the course?      $urlp=&Apache::lonnet::clutter($urlp);
  $selectionmade = 4;      $form{'symb'}=$master_seq[$i];
  my $main_seq = '/res/'.$ENV{'request.course.uri'};      my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
  my @file_seq = &coming_from_hash_whole($main_seq);      my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
  my $flag_latex_header_remove = 'NO';      if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
         #-- produce an output string      if ($i==0) {$prevassignment=$assignment;}
  for (my $i=0;$i<=$#file_seq;$i++) {      #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
             my ($urlp,$symb) = split /&&/, $file_seq[$i];      my $texversion='';
     $urlp=~s/\/home\/httpd\/html//;          if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
             if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) {   $texversion.=&Apache::lonnet::ssi($urlp,%form);
  my %moreenv;   if ($urlp=~/\.page$/) {
  $moreenv{'form.grade_target'}='tex';      ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
  $moreenv{'form.textwidth'}=$LaTeXwidth;      if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
  &Apache::lonnet::appenv(%moreenv);      $texversion =~ s/\\end{document}\d*/\\end{document}/;
  my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));      $flag_page_in_sequence = 'YES';
  &Apache::lonnet::delenv('form.grade_target','form.textwidth');       } 
    my $lonidsdir=$r->dir_config('lonIDsDir');
    my $envfile=$ENV{'user.environment'};
    $envfile=~/\/([^\/]+)\.id$/;
    $envfile=$1;
    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
    my $current_counter=$ENV{'form.counter'};
    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
      ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
       my %form;
       $form{'grade_target'}='answer';
       $form{'answer_output_mode'}='tex';
       my $answer=&Apache::lonnet::ssi($urlp,%form);
       &Apache::lonnet::appenv(('form.counter' => $current_counter));
       if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
       } else {
    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
       $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
       $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
       $texversion.='\vskip 1 mm '.$answer;
    } else {
       $texversion='';
    }
       }
    }
  if ($flag_latex_header_remove ne 'NO') {   if ($flag_latex_header_remove ne 'NO') {
     $texversion = &latex_header_footer_remove($texversion);      $texversion = &latex_header_footer_remove($texversion);
  } else {   } else {
     $texversion =~ s/\\end{document}//;      $texversion =~ s/\\end{document}//;
  }   }
  $result .= $texversion;     if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
  $flag_latex_header_remove = 'YES';      $texversion=&IndexCreation($texversion,$urlp);
     }  
  }      
  $result .= '\end{document}';  
     } elsif ($choice eq 'All class print') {   
     #-- prints assignments for whole class or for selected students    
  $selectionmade = 5;  
         my @students = ();  
  for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {  
     if ($ENV{'form.whomtoprint'.$i}=~/:/) {  
  push @students,$ENV{'form.whomtoprint'.$i};  
     }  
  }  
  #where is the primary sequence containing current resource (the same for all students)?  
  my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});  
  my @sequence = split('___',$symbolic);  
  my $primary_sequence = '/res/'.$sequence[0];  
  my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]);   
         #loop over students  
  my $flag_latex_header_remove = 'NO';   
  my %moreenv;  
  $moreenv{'form.textwidth'}=$LaTeXwidth;  
  &Apache::lonnet::appenv(%moreenv);  
  foreach my $person (@students) {  
     my $current_output = '';   
     my ($usersection,$username,$userdomain) = split /:/,$person;  
     my $fullname = &Apache::grades::get_fullname($username,$userdomain);  
             #goes through all resources, checks if they are available for current student, and produces output     
     foreach my $curresline (@master_seq)  {  
  my ($curres,$symb) = split /&&/, $curresline;  
                 if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {  
     my ($map,$id,$res_url) = split(/___/,$symb);  
     if (&Apache::lonnet::allowed('bre',$res_url)) {  
  my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,  
                                                                         $ENV{'request.course.id'},'tex');  
  if ($flag_latex_header_remove eq 'YES') {  
     $rendered = &latex_header_footer_remove($rendered);  
  } else {  
     $rendered =~ s/\\end{document}//;  
  }  
  $current_output .= $rendered;  
     }  
     $flag_latex_header_remove = 'YES';  
  }   }
     }   if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
     if ($current_output=~/\\documentclass/) {      my $name = &get_name();
  my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};      my $courseidinfo = &get_course();
  $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\pagestyle{myheadings}\\markboth{}{{$courseidinfo  - $assignment}}\\begin{document}\\noindent\\textit{\\textbf{$fullname}}\\vskip 3 mm /;      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
       $prevassignment=$assignment;
       $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES';   
       } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
    my %form;
    $form{'grade_target'}='tex';
    $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
    my $texversion=&Apache::lonnet::ssi($urlp,%form);
    if ($flag_latex_header_remove ne 'NO') {
       $texversion = &latex_header_footer_remove($texversion);
    } else {
       $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
    }
    $result .= $texversion;
    $flag_latex_header_remove = 'YES'; 
     } else {      } else {
  my $blanspages = '';   $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
  for (my $j=0;$j<$ENV{'form.addedpages'};$j++) {$blanspages.='\clearpage\strut\clearpage';}   if ($flag_latex_header_remove ne 'NO') {
  $current_output = '\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License } \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\textit{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;      $texversion = &latex_header_footer_remove($texversion);
     }   } else {
     $result .= $current_output;      $texversion =~ s/\\end{document}//;
     &Apache::lonnet::delenv('form.counter');   }
    $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}';   $result .= '\end{document}';
  &Apache::lonnet::delenv('form.textwidth');       } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
     } elsif ($choice eq 'Subdirectory print') {              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
        #-- prints assignments for whole class or for selected students  
    my $type;
    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
        $selectionmade=5;
        $type='problems';
    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
        $selectionmade=8;
        $type='resources';
    }
    my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
            if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
        $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
    }
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    #loop over students
    my $flag_latex_header_remove = 'NO'; 
    my %moreenv;
    $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
    $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
    if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
    my $student_counter=-1;
    foreach my $person (@students) {
                my $duefile="/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.due";
        if (-e $duefile) {
    my $temp_file = Apache::File->new('>>'.$duefile);
    print $temp_file "1969\n";
        }
        $student_counter++;
        my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
        my ($output,$fullname)=&print_resources($r,$helper,$person,$type,\%moreenv,\@master_seq,$flag_latex_header_remove);
        $print_array[$i].=$output;
        $student_names[$i].=$person.':'.$fullname.'_END_';
        &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
        $flag_latex_header_remove = 'YES';
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $result .= $print_array[0].'  \end{document}';
        } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
         ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
    my $cdom =$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
    my $cnum =$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
    my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
    my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
    my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
    my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
    my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
    my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
    if ($number_per_page eq '0' || $number_per_page eq 'all') {
        $number_per_page=$num_todo;
    }
    my $flag_latex_header_remove = 'NO'; 
    my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
    my $seed=time+($$<<16)+($$);
    my @allcodes;
    if ($old_name) {
        my %result=&Apache::lonnet::get('CODEs',[$old_name],$cdom,$cnum);
        @allcodes=split(',',$result{$old_name});
    } else {
        my %allcodes;
        srand($seed);
        for (my $i=0;$i<$num_todo;$i++) {
    $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,'6');
        }
        if ($code_name) {
    &Apache::lonnet::put('CODEs',
         {$code_name =>join(',',keys(%allcodes))},
         $cdom,$cnum);
        }
        @allcodes=keys(%allcodes);
    }
    my $count=0;
    foreach my $code (sort(@allcodes)) {
        my $file_num=int($count/$number_per_page);
        $moreenv{'CODE'}=&num_to_letters($code);
        my ($output,$fullname)=
    &print_resources($r,$helper,'anonymous',$type,\%moreenv,
     \@master_seq,$flag_latex_header_remove);
        $print_array[$file_num].=$output;
        &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
          &mt('last assignment').' '.$fullname);
        $flag_latex_header_remove = 'YES';
        $count++;
    }
    &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
    $result .= $print_array[0].'  \end{document}';
        } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
     #prints selected problems from the subdirectory       #prints selected problems from the subdirectory 
  $selectionmade = 6;   $selectionmade = 6;
         my @list_of_files = ();          my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
  for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {   @list_of_files=sort @list_of_files;
     if ($ENV{'form.whattoprint'.$i}=~/^\//) {   my $flag_latex_header_remove = 'NO'; 
  push @list_of_files,$ENV{'form.whattoprint'.$i};   my $rndseed=time;
     }   if ($helper->{'VARS'}->{'curseed'}) {
  }      $rndseed=$helper->{'VARS'}->{'curseed'};
  my $flag_latex_header_remove = 'NO';     }
  for (my $i=0;$i<=$#list_of_files;$i++) {   for (my $i=0;$i<=$#list_of_files;$i++) {
     my $urlp = $list_of_files[$i];      my $urlp = $list_of_files[$i];
       $urlp=~s|//|/|;
     if ($urlp=~/\//) {      if ($urlp=~/\//) {
  my %moreenv;   my %form;
  $moreenv{'form.grade_target'}='tex';   $form{'grade_target'}='tex';
  $moreenv{'form.textwidth'}=$LaTeXwidth;   $form{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
  &Apache::lonnet::appenv(%moreenv);   $form{'rndseed'}=$rndseed;
  if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {    if ($urlp =~ m|/home/([^/]+)/public_html|) {
     $urlp =~ s/\/home\/([^\/]*)\/public_html/\/~$1/;       $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
    } else {
       $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
  }   }
  my $texversion=&Apache::lonnet::ssi($urlp);   my $texversion=&Apache::lonnet::ssi($urlp,%form);
  &Apache::lonnet::delenv('form.grade_target','form.textwidth');   if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                 #this chunck is responsible for printing the path to problem     ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
  my $newurlp = '';      my %form;
  my $HowMany = length($urlp)*2;      $form{'grade_target'}='answer';
  if ($HowMany > $LaTeXwidth) {      $form{'answer_output_mode'}='tex';
     my @temporrary = split '/',$urlp;      $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
     my $HowManyNew = 0;      $form{'rndseed'}=$rndseed;
     for (my $ii=0;$ii<=$#temporrary;$ii++) {      my $answer=&Apache::lonnet::ssi($urlp,%form);
  if ($temporrary[$ii] ne '') {      if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
     $HowManyNew += length($temporrary[$ii])*2;   $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
     if ($HowManyNew < $LaTeXwidth ) {      } else {
  $newurlp .=  '/'.$temporrary[$ii];   $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
     } else {   if ($helper->{'VARS'}->{'construction'} ne '1') {
  $HowManyNew = 0;      $texversion.='\vskip 0 mm \noindent ';
  $newurlp .=  '|\vskip -1 mm \noindent \verb|';      $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
  $ii--;   } else {
     }      $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
       my $URLpath=$urlp;
       $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
       $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
  }   }
    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
     }      }
  }   }
  $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 {\\small\\noindent\\verb|$newurlp\|\\vskip 0 mm}/;                  #this chunck is responsible for printing the path to problem
    my $newurlp=$urlp;
    if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
    $newurlp=&path_to_problem($newurlp,$LaTeXwidth);
    $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
  if ($flag_latex_header_remove ne 'NO') {   if ($flag_latex_header_remove ne 'NO') {
     $texversion = &latex_header_footer_remove($texversion);      $texversion = &latex_header_footer_remove($texversion);
  } else {   } else {
     $texversion =~ s/\\end{document}//;      $texversion =~ s/\\end{document}//;
  }   }
    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
       $texversion=&IndexCreation($texversion,$urlp);
    }
    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
       $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
       
    }
  $result .= $texversion;   $result .= $texversion;
     }      }
     $flag_latex_header_remove = 'YES';        $flag_latex_header_remove = 'YES';  
  }   }
    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
  $result .= '\end{document}';         $result .= '\end{document}';      
     }      }
 #-------------------------------------------------------- corrections for the different page formats  #-------------------------------------------------------- corrections for the different page formats
     $result = &page_format_transformation($papersize,$layout,$numberofcolumns,$choice,$result,$assignment);      $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
     if ($layout eq 'CBI') {      $result = &latex_corrections($number_of_columns,$result,$selectionmade);
         $laystyle = 'album';      for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
     }  
     $result = &latex_corrections($number_of_columns,$result);  
     #changes page's parameters for the one column output       #changes page's parameters for the one column output 
     if ($ENV{'form.numberofcolumns'} == 1) {      if ($numberofcolumns == 1) {
  $result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;   $result =~ s/\\textwidth\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
  $result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;   $result =~ s/\\textheight\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
  $result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;   $result =~ s/\\evensidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
  $result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;   $result =~ s/\\oddsidemargin\s*=\s*\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
     }      }
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
     my $temp_file;      my $temp_file;
     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";      my $identifier = &Apache::loncommon::get_cgi_id();
     unless ($temp_file = Apache::File->new('>'.$filename)) {      my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".$identifier.".tex";
  $r->log_error("Couldn't open $filename for output $!");      if (!($#print_array>0)) { 
  return SERVER_ERROR;    unless ($temp_file = Apache::File->new('>'.$filename)) {
     }       $r->log_error("Couldn't open $filename for output $!");
     print $temp_file $result;      return SERVER_ERROR; 
    }
    print $temp_file $result;
    my $begin=index($result,'\begin{document}',0);
    my $inc=substr($result,0,$begin+16);
       } else {
    my $begin=index($result,'\begin{document}',0);
    my $inc=substr($result,0,$begin+16);
           for (my $i=0;$i<=$#print_array;$i++) {
       if ($i==0) {
    $print_array[$i]=$result;
       } else {
    my $anobegin=index($print_array[$i],'\setcounter{page}',0);
    substr($print_array[$i],0,$anobegin)='';
    $print_array[$i]=$inc.$print_array[$i].'\end{document}';
       }
       my $temp_file;
       my $newfilename=$filename;
       my $num=$i+1;
       $newfilename =~s/\.tex$/_$num\.tex/; 
       unless ($temp_file = Apache::File->new('>'.$newfilename)) {
    $r->log_error("Couldn't open $newfilename for output $!");
    return SERVER_ERROR; 
       }
       print $temp_file $print_array[$i];
    }
       }
       my $student_names='';
       if ($#print_array>0) {
    for (my $i=0;$i<=$#print_array;$i++) {
       $student_names.=$student_names[$i].'_ENDPERSON_';
    }
       } else {
    if ($#student_names>-1) {
       $student_names=$student_names[0].'_ENDPERSON_';
    } else {
       my $fullname = &get_name($ENV{'user.name'},$ENV{'user.domain'});
       $student_names=join(':',$ENV{'user.name'},$ENV{'user.domain'},
    $ENV{'request.course.sec'},$fullname).
       '_ENDPERSON_'.'_END_';
    }
       }
   
       my $URLback=''; #link to original document
       if ($helper->{'VARS'}->{'construction'} ne '1') {
    #prints published resource
    $URLback=$helper->{'VARS'}->{'postdata'};
       } else {
    #prints resource from the construction space
    $URLback='/'.$helper->{'VARS'}->{'filename'};
    if ($URLback=~/([^?]+)/) {
       $URLback=$1;
       $URLback=~s|^/~|/priv/|;
    }
       }
   
       &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                               'cgi.'.$identifier.'.layout'  => $laystyle,
                               'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
       'cgi.'.$identifier.'.paper'  => $papersize,
                               'cgi.'.$identifier.'.selection' => $selectionmade,
       'cgi.'.$identifier.'tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
       'cgi.'.$identifier.'tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
       'cgi.'.$identifier.'role' => $ENV{'request.role.adv'},
                               'cgi.'.$identifier.'numberoffiles' => $#print_array,
                               'cgi.'.$identifier.'studentnames' => $student_names,
                               'cgi.'.$identifier.'backref' => $URLback,);
    
 $r->print(<<FINALEND);  $r->print(<<FINALEND);
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">  <br />
   <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
   <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
 </body>  </body>
 </html>  </html>
 FINALEND  FINALEND
 }  }
   
   sub num_to_letters {
 sub coming_from_hash_whole {      my ($num) = @_;
       my @nums= split('',$num);
     my $mainsequence = shift;      my @num_to_let=('A'..'Z');
     my @resourcelist = ();      my $word;
     my $mapid = $hash{'map_pc_'.$mainsequence};      foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
     my $mapstart = $hash{'map_start_'.$mainsequence};      return $word;
     my $mapfinish = $hash{'map_finish_'.$mainsequence};  
     my $current_resource = $mapstart;  
     while ($current_resource ne $mapfinish) {  
  if ($hash{'src_'.$current_resource}=~/\.sequence$/) {  
     push @resourcelist,&coming_from_hash_whole($hash{'src_'.$current_resource});  
  } else {  
             $mainsequence =~ /\/res\/(.*)$/;  
     my $presymb = $1;  
     my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};  
             if ($rid=~/,/) {  
  my @rid = split /,/, $rid;  
  foreach my $rid_element (@rid) {  
     if ($rid_element =~ m/^$mapid\.(\d*)/) {  
  $rid = $1;   
  last;  
     }  
  }  
     } else {  
  $rid =~ m/^$mapid\.(\d*)/;  
                 $rid = $1;    
     }  
     $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;  
     my $symb = $presymb.'___'.$rid.'___'.$1;      
     push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;  
  }  
  $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};  
     }  
     return @resourcelist;  
 }  }
   
   sub get_CODE {
       my ($all_codes,$num,$seed,$size)=@_;
       my $max='1'.'0'x$size;
       my $newcode;
       while(1) {
    $newcode=sprintf("%06d",int(rand($max)));
    if (!exists($$all_codes{$newcode})) {
       $$all_codes{$newcode}=1;
       return &num_to_letters($newcode);
    }
       }
   }
   
 sub coming_from_hash {  sub print_resources {
       my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header)=@_;
     my ($mainsequence,$symb) = @_;      my $current_output = ''; 
     my @resourcelist = ();      my ($username,$userdomain,$usersection) = split /:/,$person;
     my $mapid = $hash{'map_pc_'.$mainsequence};      my $fullname = &get_name($username,$userdomain);
     my $mapstart = $hash{'map_start_'.$mainsequence};      my $namepostfix;
     my $mapfinish = $hash{'map_finish_'.$mainsequence};      if ($person =~ 'anon') {
     my ($presymb) = split(/___/,$symb);   $namepostfix="\\\\Name: ";
     $presymb = $presymb.'___';   $fullname = "CODE - ".$moreenv->{'CODE'};
     my $current_resource = $mapstart;      }
     while ($current_resource ne $mapfinish) {      #goes through all resources, checks if they are available for 
  if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {      #current student, and produces output   
     my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};      &Apache::lonnet::delenv('form.counter');
             if ($rid=~/,/) {      &Apache::lonxml::init_counter();
  my @rid = split /,/, $rid;      foreach my $curresline (@{$master_seq})  {
  foreach my $rid_element (@rid) {   if ( !($type eq 'problems' && 
     if ($rid_element =~ m/^$mapid\.(\d*)/) {         ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
  $rid = $1;       my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
  last;      if (&Apache::lonnet::allowed('bre',$res_url)) {
    if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
       my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
       my $lonidsdir=$r->dir_config('lonIDsDir');
       my $envfile=$ENV{'user.environment'};
       $envfile=~/\/([^\/]+)\.id$/;
       $envfile=$1;
       &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
       my $current_counter=$ENV{'form.counter'};
       if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
          ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
    my %form;
    $form{'answer_output_mode'}='tex';
    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
    my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
    &Apache::lonnet::appenv(('form.counter' => $current_counter));
    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
       $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
    } else {
       $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
       $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
       $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
       $rendered.='\vskip 1 mm '.$ansrendered;
    }
       }
       if ($remove_latex_header eq 'YES') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
     }      }
       $current_output .= $rendered;    
    } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
       my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$ENV{'request.course.id'},'tex',$moreenv);
       my $lonidsdir=$r->dir_config('lonIDsDir');
       my $envfile=$ENV{'user.environment'};
       $envfile=~/\/([^\/]+)\.id$/;
       $envfile=$1;
       &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
       my $current_counter=$ENV{'form.counter'};
       if ($remove_latex_header eq 'YES') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
       }
       $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
    } else {
       my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
       if ($remove_latex_header ne 'NO') {
    $rendered = &latex_header_footer_remove($rendered);
       } else {
    $rendered =~ s/\\end{document}//;
       }
       $current_output .= $rendered;
  }   }
     } else {  
  $rid =~ m/^$mapid\.(\d*)/;  
                 $rid = $1;    
     }      }
     $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;      $remove_latex_header = 'YES';
     $symb = $presymb.$rid.'___'.$1;  
     push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;  
  } else {  
     push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});  
  }   }
  $current_resource = $hash{'goesto_'.$hash{'to_'.$current_resource}};  
     }      }
     #needs if final resource in the map (type="finish") contains something      my $courseidinfo = &get_course();
     if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {      if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
     my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};      if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
             if ($rid=~/,/) {      my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
  my @rid = split /,/, $rid;      if ($current_output=~/\\documentclass/) {
  foreach my $rid_element (@rid) {   $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}\\vskip 3 mm /;
     if ($rid_element =~ m/^$mapid\.(\d*)/) {  
  $rid = $1;   
  last;  
     }  
  }  
     } else {  
  $rid =~ m/^$mapid\.(\d*)/;  
                 $rid = $1;    
     }  
     $hash{'src_'.$current_resource} =~ m/\/res\/(.*)$/;  
     $symb = $presymb.$rid.'___'.$1;  
  push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;  
     } else {      } else {
  push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});   my $blankpages = '';
    for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
    $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip -5 mm '.$current_output;
     }      }
     return @resourcelist;      return ($current_output,$fullname);
   
 }  }
   
   sub handler {
   
 sub latex_header_footer_remove {      my $r = shift;
       my $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; }
   
       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 />');
   # }
   # foreach $key (keys %ENV) {
   #    $r->print(' '.$key.'->'.$ENV{$key}.'<-<br />');
   # }
   # return OK;
   
       my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
       
   # my $key; 
   # foreach $key (keys %parmhash) {
   #    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
   # }
   # return OK;
   
       &output_data($r,$helper,\%parmhash);
       return OK;
   } 
   
   use Apache::lonhelper;
   
   sub addMessage {
     my $text = shift;      my $text = shift;
     $text =~ s/\\end{document}//;      my $paramHash = Apache::lonhelper::getParamHash();
     $text =~ s/\\documentclass([^&]*)\\begin{document}//;      $paramHash->{MESSAGE_TEXT} = $text;
     return $text;      Apache::lonhelper::message->new();
 }  }
   
   use Data::Dumper;
   
 sub character_chart {  sub printHelper {
     my $result = shift;      my $r = shift;
     $result =~ s/&#0?0?7;//g;  
     $result =~ s/&#0?0?9;//g;  
     $result =~ s/&#0?10;//g;  
     $result =~ s/&#0?13;//g;  
     $result =~ s/&#0?32;/ /g;  
     $result =~ s/&#0?33;/!/g;  
     $result =~ s/&#0?34;/"/g;  
     $result =~ s/&quot;/"/g;   #"  
     $result =~ s/&#0?35;/\\#/g;  
 #    $result =~ s/&#0?36;/\\\$/g;  
     $result =~ s/&#0?37;/\\%/g;   
     $result =~ s/&#0?38;/\\&/g;   
     $result =~ s/&amp;/\\&/g;  
     $result =~ s/&#0?39;/'/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;/,/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;/\$<\$/g;  
     $result =~ s/&lt;/\$<\$/g;  
     $result =~ s/&#0?61;/\$=\$/g;  
     $result =~ s/&#0?62;/\$>\$/g;  
     $result =~ s/&gt;/\$>\$/g;  
     $result =~ s/&#0?63;/?/g;  
 #    $result =~ s/&#0?64;//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;/\\/g;  
     $result =~ s/&#0?93;/]/g;  
 #    $result =~ s/&#0?94;//g;  
 #    $result =~ s/&#0?95;//g;  
     $result =~ s/&#0?96;/`/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/&#130;/,/g;  
 #    $result =~ s/&#131;//g;  
     $result =~ s/&#132;/''/g;  
     $result =~ s/&#133;/\$\\ldots\$/g;  
     $result =~ s/&#134;/\$\\dagger\$/g;  
     $result =~ s/&#135;/\$\\ddagger\$/g;  
 #    $result =~ s/&#136;//g;  
 #    $result =~ s/&#137;//g;  
 #    $result =~ s/&#138;//g;  
     $result =~ s/&#139;/\$<\$/g;  
 #    $result =~ s/&#140;//g;  
     $result =~ s/&#145;/`/g;  
     $result =~ s/&#146;/'/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;/~/g;  
 #    $result =~ s/&#153;//g;  
 #    $result =~ s/&#154;//g;  
     $result =~ s/&#155;/\$>\$/g;  
     $result =~ s/&#156;/\\{\\oe\\}/g;  
     $result =~ s/&#159;/\\"\\{Y\\}/g;  
     $result =~ s/&#160;//g;  
     $result =~ s/&nbsp;//g;  
     $result =~ s/&#161;/!`/g;  
     $result =~ s/&iexcl;/!`/g; #`  
 #    $result =~ s/&#162;//g;  
 #    $result =~ s/&cent;//g;  
     $result =~ s/&#163;/\\pounds/g;   
     $result =~ s/&pound;/\\pounds/g;  
 #    $result =~ s/&#164;//g;  
 #    $result =~ s/&curren;//g;  
 #    $result =~ s/&#165;//g;  
 #    $result =~ s/&yen;//g;  
 #    $result =~ s/&#166;//g;  
 #    $result =~ s/&brvbar;//g;  
 #    $result =~ s/&#167;//g;  
 #    $result =~ s/&sect;//g;  
 #    $result =~ s/&#168;//g;  
 #    $result =~ s/&uml;//g;  
     $result =~ s/&#169;/\\copyright/g;  
     $result =~ s/&copy;/\\copyright/g;  
 #    $result =~ s/&#170;//g;  
 #    $result =~ s/&ordf;//g;  
 #    $result =~ s/&#171;//g;  
 #    $result =~ s/&laquo;//g;  
     $result =~ s/&#172;/\$\\neg\$/g;  
     $result =~ s/&not;/\$\\neg\$/g;  
 #    $result =~ s/&#173;//g;  
 #    $result =~ s/&shy;//g;  
 #    $result =~ s/&#174;//g;  
 #    $result =~ s/&reg;//g;  
 #    $result =~ s/&#175;//g;  
 #    $result =~ s/&macr;//g;  
     $result =~ s/&#176;/\$^{\\circ}\$/g;  
     $result =~ s/&deg;/\$^{\\circ}\$/g;  
     $result =~ s/&#177;/\$\\pm\$/g;  
     $result =~ s/&plusmn;/\$\\pm\$/g;  
     $result =~ s/&#178;/\$^2\$/g;  
     $result =~ s/&sup2;/\$^2\$/g;  
     $result =~ s/&#179;/\$^3\$/g;  
     $result =~ s/&sup3;/\$^3\$/g;  
 #    $result =~ s/&#180;//g;  
 #    $result =~ s/&acute;//g;  
     $result =~ s/&#181;/\$\\mu\$/g;  
     $result =~ s/&micro;/\$\\mu\$/g;  
     $result =~ s/&#182;/\\P/g;  
     $result =~ s/&para;/\\P/g;  
     $result =~ s/&#183;/\$\\cdot\$/g;  
     $result =~ s/&middot;/\$\\cdot\$/g;  
 #    $result =~ s/&#184;//g;  
 #    $result =~ s/&cedil;//g;  
     $result =~ s/&#185;/\$^1\$/g;  
     $result =~ s/&sup1;/\$^1\$/g;  
 #    $result =~ s/&#186;//g;  
 #    $result =~ s/&ordm;//g;  
 #    $result =~ s/&#187;//g;  
 #    $result =~ s/&raquo;//g;  
 #    $result =~ s/&#188;//g;  
 #    $result =~ s/&frac14;//g;  
 #    $result =~ s/&#189;//g;  
 #    $result =~ s/&frac12;//g;  
 #    $result =~ s/&#190;//g;  
 #    $result =~ s/&frac34;//g;  
     $result =~ s/&#191;/?`/g;     
     $result =~ s/&iquest;/?`/g;      #`  
     $result =~ s/&#192;/\\`{A}/g;   
     $result =~ s/&Agrave;/\\`{A}/g;  #`   
     $result =~ s/&#193;/\\'{A}/g;   
     $result =~ s/&Aacute;/\\'{A}/g;  #'  
     $result =~ s/&#194;/\\^{A}/g;  
     $result =~ s/&Acirc;/\\^{A}/g;  
     $result =~ s/&#195;/\\~{A}/g;  
     $result =~ s/&Atilde;/\\~{A}/g;  
     $result =~ s/&#196;/\\"{A}/g;   
     $result =~ s/&Auml;/\\"{A}/g;    #"  
     $result =~ s/&#197;/{\\AA}/g;  
     $result =~ s/&Aring;/{\\AA}/g;  
     $result =~ s/&#198;/{\\AE}/g;  
     $result =~ s/&AElig;/{\\AE}/g;  
 #    $result =~ s/&#199;//g;  
 #    $result =~ s/&Ccedil;//g;  
     $result =~ s/&#200;/\\`{E}/g;    
     $result =~ s/&Egrave;/\\`{E}/g;  #`  
     $result =~ s/&#201;/\\'{E}/g;    #'  
     $result =~ s/&Eacute;/\\'{E}/g;  #'  
     $result =~ s/&#202;/\\^{E}/g;  
     $result =~ s/&Ecirc;/\\^{E}/g;  
     $result =~ s/&#203;/\\`{E}/g;  
     $result =~ s/&Euml;/\\`{E}/g;    #`  
     $result =~ s/&#204;/\\`{I}/g;  
     $result =~ s/&Igrave;/\\`{I}/g;  #`  
     $result =~ s/&#205;/\\'{I}/g;      
     $result =~ s/&Iacute;/\\'{I}/g;  #'  
     $result =~ s/&#206;/\\^{I}/g;  
     $result =~ s/&Icirc;/\\^{I}/g;  
     $result =~ s/&#207;/\\"{I}/g;      
     $result =~ s/&Iuml;/\\"{I}/g;    #"  
 #    $result =~ s/&#208;//g;  
 #    $result =~ s/&ETH;//g;  
     $result =~ s/&#209;/\\~{N}/g;  
     $result =~ s/&Ntilde;/\\~{N}/g;  
     $result =~ s/&#210;/\\`{O}/g;  
     $result =~ s/&Ograve;/\\`{O}/g;  #`  
     $result =~ s/&#211;/\\'{O}/g;  
     $result =~ s/&Oacute;/\\'{O}/g;  #'  
     $result =~ s/&#212;/\\^{O}/g;  
     $result =~ s/&Ocirc;/\\^{O}/g;  
     $result =~ s/&#213;/\\~{O}/g;  
     $result =~ s/&Otilde;/\\~{O}/g;  
     $result =~ s/&#214;/\\"{O}/g;      
     $result =~ s/&Ouml;/\\"{O}/g;    #"  
     $result =~ s/&#215;/\$\\times\$/g;  
     $result =~ s/&times;/\$\\times\$/g;  
     $result =~ s/&#216;/{\\O}/g;  
     $result =~ s/&Oslash;/{\\O}/g;  
     $result =~ s/&#217;/\\`{U}/g;      
     $result =~ s/&Ugrave;/\\`{U}/g;  #`  
     $result =~ s/&#218;/\\'{U}/g;    #'  
     $result =~ s/&Uacute;/\\'{U}/g;  #'  
     $result =~ s/&#219;/\\^{U}/g;  
     $result =~ s/&Ucirc;/\\^{U}/g;  
     $result =~ s/&#220;/\\"{U}/g;    #"  
     $result =~ s/&Uuml;/\\"{U}/g;    #"  
     $result =~ s/&#221;/\\'{Y}/g;  
     $result =~ s/&Yacute;/\\'{Y}/g;  #'  
 #    $result =~ s/&#222;//g;  
 #    $result =~ s/&THORN;//g;  
 #    $result =~ s/&#223;//g;  
 #    $result =~ s/&szlig;//g;  
     $result =~ s/&#224;/\\`{a}/g;  
     $result =~ s/&agrave;/\\`{a}/g;  #`  
     $result =~ s/&#225;/\\'{a}/g;  
     $result =~ s/&aacute;/\\'{a}/g;  #'  
     $result =~ s/&#226;/\\^{a}/g;  
     $result =~ s/&acirc;/\\^{a}/g;  
     $result =~ s/&#227;/\\~{a}/g;  
     $result =~ s/&atilde;/\\~{a}/g;  
     $result =~ s/&#228;/\\"{a}/g;  
     $result =~ s/&auml;/\\"{a}/g;    #"  
     $result =~ s/&#229;/{\\aa}/g;  
     $result =~ s/&aring;/{\\aa}/g;  
     $result =~ s/&#230;/{\\ae}/g;  
     $result =~ s/&aelig;/{\\ae}/g;  
 #    $result =~ s/&#231;//g;  
 #    $result =~ s/&ccedil;//g;  
     $result =~ s/&#232;/\\`{e}/g;  
     $result =~ s/&egrave;/\\`{e}/g;  #`  
     $result =~ s/&#233;/\\'{e}/g;  
     $result =~ s/&eacute;/\\'{e}/g;  #'  
     $result =~ s/&#234;/\\^{e}/g;  
     $result =~ s/&ecirc;/\\^{e}/g;  
     $result =~ s/&#235;/\\"{e}/g;  
     $result =~ s/&euml;/\\"{e}/g;    #"  
     $result =~ s/&#236;/\\`{i}/g;  
     $result =~ s/&igrave;/\\`{i}/g;  #`  
     $result =~ s/&#237;/\\'{i}/g;  
     $result =~ s/&iacute;/\\'{i}/g;  #'  
     $result =~ s/&#238;/\\^{i}/g;  
     $result =~ s/&icirc;/\\^{i}/g;  
     $result =~ s/&#239;/\\"{i}/g;  
     $result =~ s/&iuml;/\\"{i}/g;    #"  
 #    $result =~ s/&#240;//g;  
 #    $result =~ s/&eth;//g;  
     $result =~ s/&#241;/\\~{n}/g;  
     $result =~ s/&ntilde;/\\~{n}/g;  
     $result =~ s/&#242;/\\`{o}/g;  
     $result =~ s/&ograve;/\\`{o}/g;  #`  
     $result =~ s/&#243;/\\'{o}/g;  
     $result =~ s/&oacute;/\\'{o}/g;  #'  
     $result =~ s/&#244;/\\^{o}/g;  
     $result =~ s/&ocirc;/\\^{o}/g;  
     $result =~ s/&#245;/\\~{o}/g;  
     $result =~ s/&otilde;/\\~{o}/g;  
     $result =~ s/&#246;/\\"{o}/g;  
     $result =~ s/&ouml;/\\"{o}/g;    #"  
     $result =~ s/&#247;/\$\\div\$/g;  
     $result =~ s/&divide;/\$\\div\$/g;  
     $result =~ s/&#248;/{\\o}/g;  
     $result =~ s/&oslash;/{\\o}/g;  
     $result =~ s/&#249;/\\`{u}/g;   
     $result =~ s/&ugrave;/\\`{u}/g;  #`   
     $result =~ s/&#250;/\\'{u}/g;  
     $result =~ s/&uacute;/\\'{u}/g;  #'  
     $result =~ s/&#251;/\\^{u}/g;  
     $result =~ s/&ucirc;/\\^{u}/g;  
     $result =~ s/&#252;/\\"{u}/g;  
     $result =~ s/&uuml;/\\"{u}/g;    #"  
     $result =~ s/&#253;/\\'{y}/g;  
     $result =~ s/&yacute;/\\'{y}/g;  #'  
 #    $result =~ s/&#254;//g;  
 #    $result =~ s/&thorn;//g;  
     $result =~ s/&#255;/\\"{y}/g;  
     $result =~ s/&yuml;/\\"{y}/g;    #"  
     $result =~ s/&#952;/\$\\theta\$/g; #converts theta from html into tex  
     return $result;  
 }  
   
       if ($ENV{'request.course.id'}) {
    my $fn=$ENV{'request.course.fn'};
    tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
       }
   
     sub page_format {      if ($r->header_only) {
  my ($papersize,$layout,$numberofcolumns) = @_;           if ($ENV{'browser.mathml'}) {
  my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);              &Apache::loncommon::content_type($r,'text/xml');
  if ($papersize=~/Letter/) {          } else {
     if ($layout eq 'CAPA') {              &Apache::loncommon::content_type($r,'text/html');
  if ($numberofcolumns == 1) {          }
     $textwidth = '18 cm';          $r->send_http_header;
     $textheight = '25.9 cm';          return OK;
     $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 'CBI') {  
  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=~/Legal/) {  
 #    } elsif($papersize=~/Ledger/) {  
 #    } elsif($papersize=~/Executive/) {  
     } elsif($papersize=~/A4/) {  
     if ($layout eq 'CAPA') {  
  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 'CBI') {  
  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=~/A3/) {  
 #    } elsif($papersize=~/A2/) {  
 #    } elsif($papersize=~/A5/) {  
 #    } elsif($papersize=~/A6/) {  
  }  
  return $textwidth,$textheight,$oddoffset,$evenoffset;  
     }      }
   
       # Send header, nocache
       if ($ENV{'browser.mathml'}) {
           &Apache::loncommon::content_type($r,'text/xml');
       } else {
           &Apache::loncommon::content_type($r,'text/html');
       }
       &Apache::loncommon::no_cache($r);
       $r->send_http_header;
       $r->rflush();
   
 sub page_format_transformation {      # Unfortunately, this helper is so complicated we have to
  my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;       # write it by hand
  my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);  
  my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};      Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
  if ($layout eq 'CBI') {      
     $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\topmargin}{200pt}\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\parindent}{20pt}\\setlength{\\marginparwidth}{90pt}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm} \\begin{document}\\setcounter{page}{1}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fbox{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}}} \\hfill  $courseidinfo} \\vskip 5 mm /;      my $helper = Apache::lonhelper::helper->new("Printing Helper");
  } elsif ($layout eq 'CAPA') {      $helper->declareVar('symb');
      if ($choice ne 'All class print') {       $helper->declareVar('postdata');    
  $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\markboth{}{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}} $courseidinfo  - $assignment}\\pagestyle{myheadings}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}/;      $helper->declareVar('curseed'); 
     } else {      $helper->declareVar('probstatus');   
  $text =~ s/\\begin{document}/\\setlength{\\textheight}{$textheight}\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\textwidth}{$textwidth}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;      $helper->declareVar('filename');
     }      $helper->declareVar('construction');
       $helper->declareVar('assignment');
       $helper->declareVar('style_file');
       
       # This will persistently load in the data we want from the
       # very first screen.
       # Detect whether we're coming from construction space
       if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
           $helper->{VARS}->{'filename'} = "~$1/$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, $url) = &Apache::lonnet::decode_symb($symb);
           $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
   
           if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
               my $postdata = $helper->{VARS}->{'postdata'};
               $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
           }
           $subdir = &Apache::lonnet::filelocation("", $url);
       }
       if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
    $helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
       }
       if (!$helper->{VARS}->{'probstatus'} && $ENV{'form.problemtype'}) {
    $helper->{VARS}->{'probstatus'}=$ENV{'form.problemtype'};
       }
   
       my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
       my $userPriviledged = ($ENV{'request.role'}=~m/^cc\./ or
      $ENV{'request.role'}=~m/^in\./ or
      $ENV{'request.role'}=~m/^ta\./);
   
       Apache::lonhelper::registerHelperTags();
   
       # "Delete everything after the last slash."
       $subdir =~ s|/[^/]+$||;
       if (not $helper->{VARS}->{'construction'}) {
    $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/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><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
       }
   
       # Useful filter strings
       my $isProblem = '($res->is_problem()||$res->contains_problem) ';
       $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
       my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
       my $isNotMap = '!$res->is_sequence()';
       $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
       my $isMap = '$res->is_map()';
       my $symbFilter = '$res->symb()';
       my $urlValue = '$res->src()';
   
       $helper->declareVar('SEQUENCE');
   
       # Useful for debugging: Dump the help vars
       #$r->print(Dumper($helper->{VARS}));
       #$r->print($map);
   
       # If we're in a sequence...
       if (($helper->{'VARS'}->{'construction'} ne '1') &&
    $helper->{VARS}->{'postdata'} &&
    $helper->{VARS}->{'assignment'}) {
           # Allow problems from sequence
           push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
           # Allow all resources from sequence
           push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
   
           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' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblem;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</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' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isNotMap;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</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 ($userPriviledged && 
           ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
           push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
            &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
     <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
       <message>(mark them then click "next" button) <br /></message>
       <resource variable="RESOURCES" toponly='0' multichoice="1"
    suppressEmptySequences='0' addstatus="1" closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblemOrMap;</filterfunc>
         <choicefunc>return $isNotMap;</choicefunc>
         <valuefunc>return $symbFilter;</valuefunc>
       </resource>
     </state>
   ALL_PROBLEMS
   
    if ($helper->{VARS}->{'assignment'}) {
       push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
       push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
  }   }
  return $text;   my $resource_selector=<<RESOURCE_SELECTOR;
 }     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                 closeallpages="1">
         <filterfunc>return $isProblem;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</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/column (add a pagefeed after each assignment)</choice>
         <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
         <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
         <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>
       <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
       <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
   RESOURCE_SELECTOR
   
           &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
     <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
         <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
       $resource_selector
     </state>
   CHOOSE_STUDENTS
   
    my $cdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
    my $cnum = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
           my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
    my $namechoice='<choice></choice>';
    foreach my $name (@names) {
       if ($name =~ /^error: 2 /) { next; }
       $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
    }
           &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
     <state name="CHOOSE_ANON1" title="Select Students and Resources">
       <nextstate>PAGESIZE</nextstate>
       <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
       <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
       <message><br /><b>Names to store the CODEs under for later:</b></message>
       <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
       <message><hr width='33%' /></message>
       <message><b>Reprint a set of saved CODEs:</b></message>
       <dropdown variable="REUSE_OLD_CODES">
           $namechoice
       </dropdown>
       <message><hr width='33%' /></message>
       $resource_selector
     </state>
   CHOOSE_ANON1
   
   
    if ($helper->{VARS}->{'assignment'}) {
       push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
       push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
    }
       
   
    $resource_selector=<<RESOURCE_SELECTOR;
       <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
       <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                 closeallpages="1">
         <filterfunc>return $isNotMap;</filterfunc>
         <mapurl>$map</mapurl>
         <valuefunc>return $symbFilter;</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/column (add a pagefeed after each assignment)</choice>
         <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
         <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
         <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
       </choices>
       <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
       <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
   RESOURCE_SELECTOR
   
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
     <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
       $resource_selector
       </state>
   CHOOSE_STUDENTS1
   
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
     <state name="CHOOSE_ANON2" title="Select Students and Resources">
       <nextstate>PAGESIZE</nextstate>
       <message><hr width='33%' /><b>Number of anonymous assignments to print?</b></message>
       <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"></string>
       <message><br /><b>Names to store the CODEs under for later:</b></message>
       <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
       <message><hr width='33%' /></message>
       <message><b>Reprint a set of saved CODEs:</b></message>
       <dropdown variable="REUSE_OLD_CODES">
           $namechoice
       </dropdown>
       <message><hr width='33%' /></message>
       $resource_selector
     </state>
   CHOOSE_ANON2
       }
   
       # 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'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
           push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></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
           
           # this is broken up because I really want interpolation above,
           # and I really DON'T want it below
           $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
         <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
     $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
         </filefilter>
         </files>
       </state>
   CHOOSE_FROM_SUBDIR
           &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       }
   
       # Allow the user to select any sequence in the course, feed it to
       # another resource selector for that sequence
       if (!$helper->{VARS}->{'construction'}) {
    push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
         'select_sequences', 'CHOOSE_SEQUENCE'];
    my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
    #Escape apostrophes and backslashes for Perl
    $escapedSequenceName =~ s/\\/\\\\/g;
    $escapedSequenceName =~ s/'/\\'/g;
    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
     <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
       <message>Select the sequence to print resources from:</message>
       <resource variable="SEQUENCE">
         <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
         <filterfunc>return \$res->is_sequence;</filterfunc>
         <valuefunc>return $urlValue;</valuefunc>
         </resource>
       </state>
     <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
       <message>(mark desired resources then click "next" button) <br /></message>
       <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                 closeallpages="1">
         <nextstate>PAGESIZE</nextstate>
         <filterfunc>return $isProblem</filterfunc>
         <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
         <valuefunc>return $symbFilter;</valuefunc>
         </resource>
       </state>
   CHOOSE_FROM_ANY_SEQUENCE
   }
   
 sub page_cleanup {      # Generate the first state, to select which resources get printed.
     my $result = shift;      Apache::lonhelper::state->new("START", "Select Printing Options:");
       $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();
   
       my $startedTable = 0; # have we started an HTML table yet? (need
                             # to close it later)
   
       if (($ENV{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) or 
    ($helper->{VARS}->{'construction'} eq '1')) {
    addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'ANSWER_TYPE';   
    $helper->declareVar('ANSWER_TYPE');         
           $paramHash->{CHOICES} = [
                                      ['Without Answers', 'yes'],
                                      ['With Answers', 'no'],
                                      ['Only Answers', 'only'],
                                      ['As Exam Problem', 'exam']
                                   ];
           Apache::lonhelper::dropdown->new();
    addMessage("</td></tr>");
    $startedTable = 1;
       }
   
       if ($ENV{'request.role.adv'}) {
    if (!$startedTable) {
       addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
       $startedTable = 1;
    } else {
       addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
    }
           $paramHash = Apache::lonhelper::getParamHash();
    $paramHash->{'variable'} = 'LATEX_TYPE';   
    $helper->declareVar('LATEX_TYPE');  
    if ($helper->{VARS}->{'construction'} eq '1') {       
       $paramHash->{CHOICES} = [
        ['standard LaTeX mode', 'standard'], 
        ['LaTeX batchmode', 'batchmode'], ];
    } else {
       $paramHash->{CHOICES} = [
        ['LaTeX batchmode', 'batchmode'],
        ['standard LaTeX mode', 'standard'] ];
    }
           Apache::lonhelper::dropdown->new();
     
     $result =~ m/\\end{document}(\d*)$/;   addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
     my $number_of_columns = $1;          $paramHash = Apache::lonhelper::getParamHash();
     my $insert = '{';   $paramHash->{'variable'} = 'TABLE_CONTENTS';   
     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }   $helper->declareVar('TABLE_CONTENTS');         
     $insert .= '}';          $paramHash->{CHOICES} = [
     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;                                     ['No', 'no'],
     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;                                     ['Yes', 'yes'] ];
     return $result,$number_of_columns;          Apache::lonhelper::dropdown->new();
 }   addMessage("</td></tr>");
           
    if (not $helper->{VARS}->{'construction'}) {
       addMessage("<tr><td align='right'>Print Index: </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'TABLE_INDEX';   
       $helper->declareVar('TABLE_INDEX');         
       $paramHash->{CHOICES} = [
        ['No', 'no'],
        ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
       addMessage("</td></tr>");
       addMessage("<tr><td align='right'>Print Discussions: </td><td>");
       $paramHash = Apache::lonhelper::getParamHash();
       $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
       $helper->declareVar('PRINT_DISCUSSIONS');         
       $paramHash->{CHOICES} = [
        ['No', 'no'],
        ['Yes', 'yes'] ];
       Apache::lonhelper::dropdown->new();
       addMessage("</td></tr>");
    }
   
    if ($helper->{'VARS'}->{'construction'}) { 
       my $stylevalue=$ENV{'construct.style'};
       my $xmlfrag .= <<"RNDSEED";
       <message><tr><td align='right'>Use random seed:  </td><td></message>
       <string variable="curseed" size="15" maxlength="15">
    <defaultvalue>
               return $helper->{VARS}->{'curseed'};
           </defaultvalue>
       </string>
        <message></td></tr><tr><td align="right">Use style file:</td><td></message>
                <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><td></message>
                <message></td></tr></message>
   RNDSEED
               &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       $helper->{'VARS'}->{'style_file'}=$ENV{'form.style_file_value'};
    }
       }
   
 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);      if ($startedTable) {
     my $name_of_sequence = $hash{'title_'.$hash{'ids_/res/'.$map}};   addMessage("</table>");
     if ($name_of_sequence =~ /^\s*$/) {  
       $map =~ m|([^/]+)$|;  
       $name_of_sequence = $1;  
     }      }
     my $name_of_map = $hash{'title_'.$hash{'ids_/res/'.$ENV{'request.course.uri'}}};  
     if ($name_of_map =~ /^\s*$/) {  
       $ENV{'request.course.uri'} =~ m|([^/]+)$|;  
       $name_of_map = $1;  
     }    
     return ($name_of_resourse,$name_of_sequence,$name_of_map);  
   
       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;
 }  }
   
   
 sub latex_corrections {  1;
   
     my ($number_of_columns,$result) = @_;  package Apache::lonprintout::page_format_state;
   
     $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;  =pod
     $result =~ s/\$number_of_columns/$number_of_columns/g;  
     $result =~ s/(\\end{document})/\\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/;  =head1 Helper element: page_format_state
     $result =~ s/(\\end{longtable}\s*)(\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;  
     $result =~ s/(\\end{longtable}\s*)\\newline/$1/g;  See lonhelper.pm documentation for discussion of the helper framework.
 #-- LaTeX corrections       
     my $first_comment = index($result,'<!--',0);  Apache::lonprintout::page_format_state is an element that gives the 
     while ($first_comment != -1) {  user an opportunity to select the page layout they wish to print 
  my $end_comment = index($result,'-->',$first_comment);  with: Number of columns, portrait/landscape, and paper size. If you 
  substr($result,$first_comment,$end_comment-$first_comment+3) = '';  want to change the paper size choices, change the @paperSize array 
  $first_comment = index($result,'<!--',$first_comment);  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;
   use Apache::lonlocal;
   
   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'};
       my $PageLayout=&mt('Page layout');
       my $NumberOfColumns=&mt('Number of columns');
       my $PaperType=&mt('Paper type');
       $result .= <<STATEHTML;
   
   <hr width="33%" />
   <table cellpadding="3">
     <tr>
       <td align="center"><b>$PageLayout</b></td>
       <td align="center"><b>$NumberOfColumns</b></td>
       <td align="center"><b>$PaperType</b></td>
     </tr>
     <tr>
       <td>
         <input type="radio" name="${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";
           }
     }      }
     $result =~ s/^\s+$//gm; #remove empty lines  
     $result =~ s/(\s)+/$1/g; #removes more than one empty space      $result .= "</select></td><td>\n";
     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;      $result .= "<select name='${var}.paper'>\n";
     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;  
     $result =~ s/{\\par }\s*\\\\/\\\\/gm;      my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
  $result =~ s/\\\\\s+\[/ \[/g;      my $DefaultPaperSize=$parmhash{'default_paper_size'};
     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;      if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
     #conversion of html characters to LaTeX equivalents      $i = 0;
     if ($result =~ m/&(\w+|#\d+);/) {      foreach (@paperSize) {
  $result = &character_chart($result);          if ($paperSize[$i]=~/$DefaultPaperSize/) {
               $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
           } else {
               $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
           }
           $i++;
     }      }
     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;  
     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;  
   
       $result .= "</select></td></tr></table>";
     return $result;      return $result;
 }  }
   
   sub postprocess {
       my $self = shift;
   
 sub handler {      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;
   }
   
     my $r = shift;  1;
   
     my $loaderror=&Apache::lonnet::overloaderror($r);  package Apache::lonprintout::page_size_state;
     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');  =pod
     $r->send_http_header;  
     $r->print(&Apache::loncommon::bodytag("Printing"));  
   
     if ($ENV{'request.course.id'}) {  =head1 Helper element: page_size_state
  my $fn=$ENV{'request.course.fn'};  
  tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);  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 />';
     }      }
   
 #-- start form      $result .= <<ELEMENTHTML;
     &headerform($r);  
 #-- menu for output  <p>How should the column be formatted?</p>
     unless  ($ENV{'form.phase'}) {  
  &menu_for_output($r);  <table cellpadding='3'>
     }    <tr>
 #-- additional menu for class printing      <td align='right'><b>Width</b>:</td>
      if ($ENV{'form.phase'} eq 'two') {      <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
  if($ENV{'form.choice'} eq 'Standard LaTeX output for whole primary sequence') {      <td align='left'>
      &sequence_content_menu(0,$r);        <select name='$var.widthunit'>
  } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') {          <option>cm</option><option>in</option>
      &sequence_content_menu(1,$r);        </select>
  } elsif($ENV{'form.choice'} eq 'All class print') {      </td>
      &additional_class_menu($r);    </tr>
  } elsif($ENV{'form.choice'} eq 'Subdirectory print') {    <tr>
      &problem_choice_menu($r);      <td align='right'><b>Height</b>:</td>
  } else {      <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
      $ENV{'form.phase'} = 'three';      <td align='left'>
  }        <select name='$var.heightunit'>
      }          <option>cm</option><option>in</option>
 #-- additional menu for page layout (one column case)        </select>
     if ($ENV{'form.phase'} eq 'three') {      </td>
  if($ENV{'form.numberofcolumns'} == 1) {    </tr>
     &additional_print_menu($r);    <tr>
  } else {      <td align='right'><b>Left margin</b>:</td>
     $ENV{'form.phase'} = 'four';      <td align='left'><input type='text' name='$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 than 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});
     }      }
 #-- core part   
     if ($ENV{'form.phase'} eq 'four') {  
  &output_data($r);  
     }  
     untie %hash;  
     return OK;  
         
 }       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;
       }
   }
   
   
   
 1;  
 __END__  __END__
   
Removed from v.1.90  
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  Added in v.1.324

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