loncom/interface/lonprintout.pm - diff

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Diff for /loncom/interface/lonprintout.pm between versions 1.93 and 1.232

-version 1.93, 2002/11/20 17:26:52
+version 1.232, 2003/09/09 13:31:08
  Line 49  use Apache::grades;
  use Apache::edit;
  use Apache::File();
  use Apache::lonnavmaps;
+ use Apache::lonratedt;
  use POSIX qw(strftime);
  use GDBM_File;
- Line 56  use GDBM_File;
+ Line 57  use GDBM_File;
  my %hash;
  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 menu_for_output {
+ sub character_chart {
-     my $r = shift;
+     my $result = shift;
-     my ($title_for_single_resource,$title_for_sequence,$title_for_main_map) = &details_for_menu;
+     $result =~ s/&\#0?0?(7|9);//g;
-     my $assignment = $title_for_sequence;
+     $result =~ s/&\#0?(10|13);//g;
-     if ($title_for_single_resource ne '') {$title_for_single_resource = '"'.$title_for_single_resource.'"';}
+     $result =~ s/&\#0?32;/ /g;
-     if ($title_for_sequence ne '') {$title_for_sequence = '"'.$title_for_sequence.'"';}
+     $result =~ s/&\#0?33;/!/g;
-     if ($title_for_main_map ne '') {$title_for_main_map = '"'.$title_for_main_map.'"';}
+     $result =~ s/&(\#0?34|quot);/\"/g;
-     my $subdir_to_print = $ENV{'form.postdata'};
+     $result =~ s/&\#0?35;/\\\#/g;
-     $subdir_to_print =~ m/\/([^\/]+)$/;
+     $result =~ s/&\#0?36;/\\\$/g;
-     $subdir_to_print =~ s/$1//;
+     $result =~ s/&\#0?37;/\\%/g;
-     $r->print(<<ENDMENUOUT1);
+     $result =~ s/&(\#0?38|amp);/\\&/g;
- <h1>What do you want to print? Make a choice.</h1><br />
+     $result =~ s/&\#(0?39|146);/\'/g;
- <input type="hidden" name="phase" value="two">
+     $result =~ s/&\#0?40;/(/g;
- <input type="hidden" name="url" value="$ENV{'form.postdata'}">
+     $result =~ s/&\#0?41;/)/g;
- <input type="hidden" name="assignment" value="$assignment">
+     $result =~ s/&\#0?42;/\*/g;
- <input type="radio" name="choice" value="Standard LaTeX output for current document" checked>  Current document <b>$title_for_single_resource</b>
+     $result =~ s/&\#0?43;/\+/g;
- (prints what you just saw on the screen)<br />
+     $result =~ s/&\#(0?44|130);/,/g;
- ENDMENUOUT1
+     $result =~ s/&\#0?45;/-/g;
-     if ($ENV{'form.postdata'}=~/\/res\//) {
+     $result =~ s/&\#0?46;/\./g;
- 	$r->print(<<ENDMENUOUT2);
+     $result =~ s/&\#0?47;/\//g;
- <input type="radio" name="choice" value="Standard LaTeX output for the primary sequence">  Problem(s) from <b>$title_for_sequence</b><br />
+     $result =~ s/&\#0?48;/0/g;
- <input type="radio" name="choice" value="Standard LaTeX output for whole primary sequence">  Problem(s) plus page(s) or html/xml file(s) from <b>$title_for_sequence</b><br />
+     $result =~ s/&\#0?49;/1/g;
- ENDMENUOUT2
+     $result =~ s/&\#0?50;/2/g;
-     }
+     $result =~ s/&\#0?51;/3/g;
-     if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($ENV{'form.postdata'}=~/\/res\//)) {
+     $result =~ s/&\#0?52;/4/g;
- 	$r->print(<<ENDMENUOUT6);
+     $result =~ s/&\#0?53;/5/g;
- <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 />
+     $result =~ s/&\#0?54;/6/g;
- <br />
+     $result =~ s/&\#0?55;/7/g;
- <input type="radio" name="choice" value="All class print">  All problems from <b>$title_for_sequence</b> for selected students<br /><br />
+     $result =~ s/&\#0?56;/8/g;
- ENDMENUOUT6
+     $result =~ s/&\#0?57;/9/g;
-     }
+     $result =~ s/&\#0?58;/:/g;
-       my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
+     $result =~ s/&\#0?59;/;/g;
-       $subdirtoprint =~ s/\/[^\/]+$//;
+     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
-       if ((&Apache::lonnet::allowed('bre',$subdirtoprint) eq 'F') and ($ENV{'form.postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) {
+     $result =~ s/&\#0?61;/\$=\$/g;
- 	  $r->print(<<ENDMENUOUT4);
+     $result =~ s/&(\#0?62|gt|\#155);/\$>\$/g;
-   <input type="radio" name="choice" value="Subdirectory print">  Problems from current subdirectory <b>$subdir_to_print</b><br />
+     $result =~ s/&\#0?63;/\?/g;
- ENDMENUOUT4
+     $result =~ s/&\#0?65;/A/g;
-       }
+     $result =~ s/&\#0?66;/B/g;
-     $r->print(<<ENDMENUOUT5);
+     $result =~ s/&\#0?67;/C/g;
- <br /><hr /><br />
+     $result =~ s/&\#0?68;/D/g;
- <h1>And what page format do you prefer?</h1>
+     $result =~ s/&\#0?69;/E/g;
- <table>
+     $result =~ s/&\#0?70;/F/g;
-  <tr>
+     $result =~ s/&\#0?71;/G/g;
-    <td>
+     $result =~ s/&\#0?72;/H/g;
-      <input type="radio" name="layout" value="CBI"> Landscape <br />
+     $result =~ s/&\#0?73;/I/g;
-      <input type="radio" name="layout" value="CAPA" checked>  Portrait <br />
+     $result =~ s/&\#0?74;/J/g;
-    </td>
+     $result =~ s/&\#0?75;/K/g;
-    <td>&nbsp;</td>
+     $result =~ s/&\#0?76;/L/g;
-    <td rawspan="2">
+     $result =~ s/&\#0?77;/M/g;
-      Number of columns: <select name="numberofcolumns">
+     $result =~ s/&\#0?78;/N/g;
-                          <option> 1 </option>
+     $result =~ s/&\#0?79;/O/g;
-                          <option selected> 2 </option>
+     $result =~ s/&\#0?80;/P/g;
-                         </select>
+     $result =~ s/&\#0?81;/Q/g;
-    </td>
+     $result =~ s/&\#0?82;/R/g;
-    <td rawspan="2">
+     $result =~ s/&\#0?83;/S/g;
-      Paper size (format [width x height]): <select name="papersize">
+     $result =~ s/&\#0?84;/T/g;
-                                             <option selected> Letter [8 1/2x11 in] </option>
+     $result =~ s/&\#0?85;/U/g;
-                                             <option> Legal [8 1/2x14 in] </option>
+     $result =~ s/&\#0?86;/V/g;
-                                             <option> Ledger/Tabloid [11x17 in] </option>
+     $result =~ s/&\#0?87;/W/g;
-                                             <option> Executive [7 1/2x10 in] </option>
+     $result =~ s/&\#0?88;/X/g;
-                                             <option> A2 [420x594 mm] </option>
+     $result =~ s/&\#0?89;/Y/g;
-                                             <option> A3 [297x420 mm] </option>
+     $result =~ s/&\#0?90;/Z/g;
-                                             <option> A4 [210x297 mm] </option>
+     $result =~ s/&\#0?91;/[/g;
-                                             <option> A5 [148x210 mm] </option>
+     $result =~ s/&\#0?92;/\$\\setminus\$/g;
-                                             <option> A6 [105x148 mm] </option>
+     $result =~ s/&\#0?93;/]/g;
-                                            </select>
+     $result =~ s/&\#(0?94|136);/\$\\wedge\$/g;
-    </td>
+     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
-  </tr>
+     $result =~ s/&\#(0?96|145);/\`/g;
- </table>
+     $result =~ s/&\#0?97;/a/g;
- </br>
+     $result =~ s/&\#0?98;/b/g;
- <input type="submit" value="Submit your choice">
+     $result =~ s/&\#0?99;/c/g;
- ENDMENUOUT5
+     $result =~ s/&\#100;/d/g;
+     $result =~ s/&\#101;/e/g;
+     $result =~ s/&\#102;/f/g;
+     $result =~ s/&\#103;/g/g;
+     $result =~ s/&\#104;/h/g;
+     $result =~ s/&\#105;/i/g;
+     $result =~ s/&\#106;/j/g;
+     $result =~ s/&\#107;/k/g;
+     $result =~ s/&\#108;/l/g;
+     $result =~ s/&\#109;/m/g;
+     $result =~ s/&\#110;/n/g;
+     $result =~ s/&\#111;/o/g;
+     $result =~ s/&\#112;/p/g;
+     $result =~ s/&\#113;/q/g;
+     $result =~ s/&\#114;/r/g;
+     $result =~ s/&\#115;/s/g;
+     $result =~ s/&\#116;/t/g;
+     $result =~ s/&\#117;/u/g;
+     $result =~ s/&\#118;/v/g;
+     $result =~ s/&\#119;/w/g;
+     $result =~ s/&\#120;/x/g;
+     $result =~ s/&\#121;/y/g;
+     $result =~ s/&\#122;/z/g;
+     $result =~ s/&\#123;/\\{/g;
+     $result =~ s/&\#124;/\|/g;
+     $result =~ s/&\#125;/\\}/g;
+     $result =~ s/&\#126;/\~/g;
+     $result =~ s/&\#131;/\\textflorin /g;
+     $result =~ s/&\#132;/\"/g;
+     $result =~ s/&\#133;/\$\\ldots\$/g;
+     $result =~ s/&\#134;/\$\\dagger\$/g;
+     $result =~ s/&\#135;/\$\\ddagger\$/g;
+     $result =~ s/&\#137;/\\textperthousand /g;
+     $result =~ s/&\#140;/{\\OE}/g;
+     $result =~ s/&\#147;/\`\`/g;
+     $result =~ s/&\#148;/\'\'/g;
+     $result =~ s/&\#149;/\$\\bullet\$/g;
+     $result =~ s/&\#150;/--/g;
+     $result =~ s/&\#151;/---/g;
+     $result =~ s/&\#152;/\$\\sim\$/g;
+     $result =~ s/&\#153;/\\texttrademark /g;
+     $result =~ s/&\#156;/\\oe/g;
+     $result =~ s/&\#159;/\\\"Y/g;
+     $result =~ s/&(\#160|nbsp);//g;
+     $result =~ s/&(\#161|iexcl);/!\`/g;
+     $result =~ s/&(\#162|cent);/\\textcent /g;
+     $result =~ s/&(\#163|pound);/\\pounds /g;
+     $result =~ s/&(\#164|curren);/\\textcurrency /g;
+     $result =~ s/&(\#165|yen);/\\textyen /g;
+     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
+     $result =~ s/&(\#167|sect);/\\textsection /g;
+     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
+     $result =~ s/&(\#169|copy);/\\copyright /g;
+     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
+     $result =~ s/&(\#172|not);/\$\\neg\$/g;
+     $result =~ s/&(\#173|shy);/ - /g;
+     $result =~ s/&(\#174|reg);/\\textregistered /g;
+     $result =~ s/&(\#175|macr);/\$^{-}\$/g;
+     $result =~ s/&(\#176|deg);/\$^{\\circ}\$/g;
+     $result =~ s/&(\#177|plusmn);/\$\\pm\$/g;
+     $result =~ s/&(\#178|sup2);/\$^2\$/g;
+     $result =~ s/&(\#179|sup3);/\$^3\$/g;
+     $result =~ s/&(\#180|acute);/\\textacute /g;
+     $result =~ s/&(\#181|micro);/\$\\mu\$/g;
+     $result =~ s/&(\#182|para);/\\P/g;
+     $result =~ s/&(\#183|middot);/\$\\cdot\$/g;
+     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
+     $result =~ s/&(\#185|sup1);/\$^1\$/g;
+     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
+     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
+     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
+     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
+     $result =~ s/&(\#191|iquest);/?\`/g;
+     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
+     $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
+     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
+     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
+     $result =~ s/&(\#196|Auml);/\\\"{A}/g;
+     $result =~ s/&(\#197|Aring);/{\\AA}/g;
+     $result =~ s/&(\#198|AElig);/{\\AE}/g;
+     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
+     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
+     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
+     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
+     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
+     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
+     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
+     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
+     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
+     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
+     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
+     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
+     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
+     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
+     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
+     $result =~ s/&(\#215|times);/\$\\times\$/g;
+     $result =~ s/&(\#216|Oslash);/{\\O}/g;
+     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
+     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
+     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
+     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
+     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
+     $result =~ s/&(\#223|szlig);/\\ss/g;
+     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
+     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
+     $result =~ s/&(\#226|acirc);/\\^{a}/g;
+     $result =~ s/&(\#227|atilde);/\\~{a}/g;
+     $result =~ s/&(\#228|auml);/\\\"{a}/g;
+     $result =~ s/&(\#229|aring);/{\\aa}/g;
+     $result =~ s/&(\#230|aelig);/{\\ae}/g;
+     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
+     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
+     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
+     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
+     $result =~ s/&(\#235|euml);/\\\"{e}/g;
+     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
+     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
+     $result =~ s/&(\#238|icirc);/\\^{i}/g;
+     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
+     $result =~ s/&(\#240|eth);/\$\\partial\$/g;
+     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
+     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
+     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
+     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
+     $result =~ s/&(\#245|otilde);/\\~{o}/g;
+     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
+     $result =~ s/&(\#247|divide);/\$\\div\$/g;
+     $result =~ s/&(\#248|oslash);/{\\o}/g;
+     $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
+     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
+     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
+     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
+     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
+     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
+     $result =~ s/&\#952;/\$\\theta\$/g;
+ #Greek Alphabet
+     $result =~ s/&(alpha|\#945);/\$\\alpha \$/g;
+     $result =~ s/&(beta|\#946);/\$\\beta \$/g;
+     $result =~ s/&(gamma|\#947);/\$\\gamma \$/g;
+     $result =~ s/&(delta|\#948);/\$\\delta \$/g;
+     $result =~ s/&(epsilon|\#949);/\$\\epsilon \$/g;
+     $result =~ s/&(zeta|\#950);/\$\\zeta \$/g;
+     $result =~ s/&(eta|\#951);/\$\\eta \$/g;
+     $result =~ s/&(theta|\#952);/\$\\theta \$/g;
+     $result =~ s/&(iota|\#953);/\$\\iota \$/g;
+     $result =~ s/&(kappa|\#954);/\$\\kappa \$/g;
+     $result =~ s/&(lambda|\#955);/\$\\lambda \$/g;
+     $result =~ s/&(mu|\#956);/\$\\mu \$/g;
+     $result =~ s/&(nu|\#957);/\$\\nu \$/g;
+     $result =~ s/&(xi|\#958);/\$\\xi \$/g;
+     $result =~ s/&(omicron|\#959);/o/g;
+     $result =~ s/&(pi|\#960);/\$\\pi \$/g;
+     $result =~ s/&(rho|\#961);/\$\\rho \$/g;
+     $result =~ s/&(sigma|\#963);/\$\\sigma \$/g;
+     $result =~ s/&(tau|\#964);/\$\\tau \$/g;
+     $result =~ s/&(upsilon|\#965);/\$\\upsilon \$/g;
+     $result =~ s/&(phi|\#966);/\$\\phi \$/g;
+     $result =~ s/&(chi|\#967);/\$\\chi \$/g;
+     $result =~ s/&(psi|\#968);/\$\\psi \$/g;
+     $result =~ s/&(omega|\#969);/\$\\omega \$/g;
+     $result =~ s/&(thetasym|\#977);/\$\\vartheta \$/g;
+     $result =~ s/&(piv|\#982);/\$\\varpi \$/g;
+     $result =~ s/&(Alpha|\#913);/A/g;
+     $result =~ s/&(Beta|\#914);/B/g;
+     $result =~ s/&(Gamma|\#915);/\$\\Gamma \$/g;
+     $result =~ s/&(Delta|\#916);/\$\\Delta \$/g;
+     $result =~ s/&(Epsilon|\#917);/E/g;
+     $result =~ s/&(Zeta|\#918);/Z/g;
+     $result =~ s/&(Eta|\#919);/H/g;
+     $result =~ s/&(Theta|\#920);/\$\\Theta \$/g;
+     $result =~ s/&(Iota|\#921);/I/g;
+     $result =~ s/&(Kappa|\#922);/K/g;
+     $result =~ s/&(Lambda|\#923);/\$\\Lambda \$/g;
+     $result =~ s/&(Mu|\#924);/M/g;
+     $result =~ s/&(Nu|\#925);/N/g;
+     $result =~ s/&(Xi|\#926);/\$\\Xi \$/g;
+     $result =~ s/&(Omicron|\#927);/O/g;
+     $result =~ s/&(Pi|\#928);/\$\\Pi \$/g;
+     $result =~ s/&(Rho|\#929);/P/g;
+     $result =~ s/&(Sigma|\#931);/\$\\Sigma \$/g;
+     $result =~ s/&(Tau|\#932);/T/g;
+     $result =~ s/&(Upsilon|\#933);/\$\\Upsilon \$/g;
+     $result =~ s/&(Phi|\#934);/\$\\Phi \$/g;
+     $result =~ s/&(Chi|\#935);/X/g;
+     $result =~ s/&(Psi|\#936);/\$\\Psi \$/g;
+     $result =~ s/&(Omega|\#937);/\$\\Omega \$/g;
+ #Arrows (extended HTML 4.01)
+     $result =~ s/&(larr|\#8592);/\$\\leftarrow \$/g;
+     $result =~ s/&(uarr|\#8593);/\$\\uparrow \$/g;
+     $result =~ s/&(rarr|\#8594);/\$\\rightarrow \$/g;
+     $result =~ s/&(darr|\#8595);/\$\\downarrow \$/g;
+     $result =~ s/&(harr|\#8596);/\$\\leftrightarrow \$/g;
+     $result =~ s/&(lArr|\#8656);/\$\\Leftarrow \$/g;
+     $result =~ s/&(uArr|\#8657);/\$\\Uparrow \$/g;
+     $result =~ s/&(rArr|\#8658);/\$\\Rightarrow \$/g;
+     $result =~ s/&(dArr|\#8659);/\$\\Downarrow \$/g;
+     $result =~ s/&(hArr|\#8660);/\$\\Leftrightarrow \$/g;
+ #Mathematical Operators (extended HTML 4.01)
+     $result =~ s/&(forall|\#8704);/\$\\forall \$/g;
+     $result =~ s/&(part|\#8706);/\$\\partial \$/g;
+     $result =~ s/&(exist|\#8707);/\$\\exists \$/g;
+     $result =~ s/&(empty|\#8709);/\$\\emptyset \$/g;
+     $result =~ s/&(nabla|\#8711);/\$\\nabla \$/g;
+     $result =~ s/&(isin|\#8712);/\$\\in \$/g;
+     $result =~ s/&(notin|\#8713);/\$\\notin \$/g;
+     $result =~ s/&(ni|\#8715);/\$\\ni \$/g;
+     $result =~ s/&(prod|\#8719);/\$\\prod \$/g;
+     $result =~ s/&(sum|\#8721);/\$\\sum \$/g;
+     $result =~ s/&(minus|\#8722);/\$-\$/g;
+     $result =~ s/&(lowast|\#8727);/\$*\$/g;
+     $result =~ s/&(radic|\#8730);/\$\\surd \$/g;
+     $result =~ s/&(prop|\#8733);/\$\\propto \$/g;
+     $result =~ s/&(infin|\#8734);/\$\\infty \$/g;
+     $result =~ s/&(ang|\#8736);/\$\\angle \$/g;
+     $result =~ s/&(and|\#8743);/\$\\wedge \$/g;
+     $result =~ s/&(or|\#8744);/\$\\vee \$/g;
+     $result =~ s/&(cap|\#8745);/\$\\cap \$/g;
+     $result =~ s/&(cup|\#8746);/\$\\cup \$/g;
+     $result =~ s/&(int|\#8747);/\$\\int \$/g;
+     $result =~ s/&(sim|\#8764);/\$\\sim \$/g;
+     $result =~ s/&(cong|\#8773);/\$\\cong \$/g;
+     $result =~ s/&(asymp|\#8776);/\$\\approx \$/g;
+     $result =~ s/&(ne|\#8800);/\$\\not= \$/g;
+     $result =~ s/&(equiv|\#8801);/\$\\equiv \$/g;
+     $result =~ s/&(le|\#8804);/\$\\leq \$/g;
+     $result =~ s/&(ge|\#8805);/\$\\geq \$/g;
+     $result =~ s/&(sub|\#8834);/\$\\subset \$/g;
+     $result =~ s/&(sup|\#8835);/\$\\supset \$/g;
+     $result =~ s/&(nsub|\#8836);/\$\\not\\subset \$/g;
+     $result =~ s/&(sube|\#8838);/\$\\subseteq \$/g;
+     $result =~ s/&(supe|\#8839);/\$\\supseteq \$/g;
+     $result =~ s/&(oplus|\#8853);/\$\\oplus \$/g;
+     $result =~ s/&(otimes|\#8855);/\$\\otimes \$/g;
+     $result =~ s/&(perp|\#8869);/\$\\perp \$/g;
+     $result =~ s/&(sdot|\#8901);/\$\\cdot \$/g;
+ #Geometric Shapes (extended HTML 4.01)
+     $result =~ s/&(loz|\#9674);/\$\\Diamond \$/g;
+ #Miscellaneous Symbols (extended HTML 4.01)
+     $result =~ s/&(spades|\#9824);/\$\\spadesuit \$/g;
+     $result =~ s/&(clubs|\#9827);/\$\\clubsuit \$/g;
+     $result =~ s/&(hearts|\#9829);/\$\\heartsuit \$/g;
+     $result =~ s/&(diams|\#9830);/\$\\diamondsuit \$/g;
+     return $result;
  }
- sub sequence_content_menu {
+ sub page_format {
-     my ($key_to,$r) = @_;
+ #
-     my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
+ #Correspondence between $papersize variable and real paper format:
-     my @sequence = split('___',$symbolic);
+ # 0 - "Letter [8 1/2x11 in]"
-     my $primary_sequence = '/res/'.$sequence[0];
+ # 1 - "Legal [8 1/2x14 in]"
-     my @master_seq = &coming_from_hash($primary_sequence,$sequence[0]);
+ # 2 - "Ledger/Tabloid [11x17 in]"
-     my @master_seq_view = @master_seq;
+ # 3 - "Executive [7 1/2x10 in]"
-     for (my $i=0;$i<=$#master_seq_view;$i++) {
+ # 4 - "A2 [420x594 mm]"
- 	$master_seq_view[$i]=~/\/([^\/]+)$/;
+ # 5 - "A3 [297x420 mm]"
- 	$master_seq_view[$i]=$1;
+ # 6 - "A4 [210x297 mm]"
-     }
+ # 7 - "A5 [148x210 mm]"
-     $r->print(<<ENDMENUOUT1);
+ # 8 - "A6 [105x148 mm]"
- <input type="hidden" name="url" value="$ENV{'form.url'}">
+ #
- <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+     my ($papersize,$layout,$numberofcolumns) = @_;
- <input type="hidden" name="layout" value="$ENV{'form.layout'}">
+     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = (0,0,0,0,0);
- <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
+     if ($papersize eq '0') {
- <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
+ 	if ($layout eq 'book') {
- <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+ 	    if ($numberofcolumns == 1) {
- <h1>Mark item(s) which you want to print</h1>
+ 		$textwidth = '7.1 in';      #'18 cm';
- <script>
+ 		$textheight = '10.2 in';    #'25.9 cm';
-     function checkall() {
+ 		$oddoffset = '-0.57 in';
- 	for (i=0; i<document.forms.printform.elements.length; i++) {
+ 		$evenoffset = '-0.57 in';
-             if
+ 	    } elsif ($numberofcolumns == 2) {
-           (document.forms.printform.elements[i].name.indexOf('whatfile')==0) {
+ 		$textwidth = '3.66 in';     #'93 mm';
- 	      document.forms.printform.elements[i].checked=true;
+ 		$textheight = '10.2 in';    #'25.9 cm';
-             }
+ 		$oddoffset = '-0.57 in';
-         }
+ 		$evenoffset = '-0.57 in';
-     }
+ 	    }
-     function uncheckall() {
+ 	} elsif ($layout eq 'album') {
- 	for (i=0; i<document.forms.printform.elements.length; i++) {
+ 	    if ($numberofcolumns eq '1') {
-             if
+ 		$textwidth = '8.8 in';
-           (document.forms.printform.elements[i].name.indexOf('whatfile')==0) {
+ 		$textheight = '6.8 in';
- 	      document.forms.printform.elements[i].checked=false;
+ 		$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') {
+ #    } elsif($papersize eq '2') {
+ #    } elsif($papersize eq '3'/) {
+     } elsif($papersize eq '6') {
+ 	if ($layout eq 'book') {
+ 	    if ($numberofcolumns == 1) {
+ 		$textwidth = '18 cm';
+ 		$textheight = '28 cm';
+ 		$oddoffset = '-0.57 in';
+ 		$evenoffset = '-0.57 in';
+ 	    } elsif ($numberofcolumns == 2) {
+ 		$textwidth = '96 mm';
+ 		$textheight = '2 cm';
+ 		$oddoffset = '-0.57 in';
+ 		$evenoffset = '-0.57 in';
+ 	    }
+ 	} elsif ($layout eq 'album') {
+ 	    if ($numberofcolumns eq '1') {
+ 		$textwidth = '8.5 in';
+ 		$textheight = '7.7 in';
+ 		$oddoffset = '-40 pt';
+ 		$evenoffset = '-60 pt';
+ 	    } elsif ($numberofcolumns == 2) {
+ 		$textwidth = '3.9 in';
+ 		$textheight = '7.7 in';
+ 		$oddoffset = '-40 pt';
+ 		$evenoffset = '-60 pt';
+ 	    }
+ 	}
+ #    } elsif($papersize eq '5') {
+ #    } elsif($papersize eq '4') {
+ #    } elsif($papersize eq '7') {
+ #    } elsif($papersize eq '8') {
      }
- </script>
+     return $textwidth,$textheight,$oddoffset,$evenoffset,$topmargin;
- <input type=button onClick="checkall()" value="Check All">&nbsp;
- <input type=button onClick="uncheckall()" value="Uncheck">
- <p>
- ENDMENUOUT1
-     my $inc=0;
-     for (my $i=0;$i<=$#master_seq_view;$i++) {
-       if ($key_to==1 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
- 	$r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '.
-                   $master_seq_view[$i]);
-         $inc++;
-     } elsif ($key_to==0 && $master_seq_view[$i]=~/\.(problem|exam|quiz|assess|survey|form|library|xml|htm|html|page)$/) {
- 	$r->print('<br /><input type=checkbox name="whatfile'.$inc.'" value="'.$master_seq[$i].'"> '.
-                   $master_seq_view[$i]);
-         $inc++;
-       }
-     }
-     $r->print(<<ENDMENUOUT2);
- <br />
- <input type="hidden" name="numberoffiles" value="$inc">
- <input type="hidden" name="phase" value="three">
- <input type="submit" value="Submit">
- ENDMENUOUT2
  }
- sub problem_choice_menu {
+ sub get_name {
-     my $r = shift;
+     my ($uname,$udom)=@_;
-     my $subdirtoprint = &Apache::lonnet::filelocation("",$ENV{'form.url'});
+     if (!defined($uname)) { $uname=$ENV{'user.name'}; }
-     $subdirtoprint =~ s/\/[^\/]+$//;
+     if (!defined($udom)) { $udom=$ENV{'user.domain'}; }
-     my @list_of_files = ();
+     my $plainname=&Apache::loncommon::plainname($uname,$udom);
-     if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
+     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
- 	$subdirtoprint =~ s/^[^~]*~(\w+)\//\/home\/$1\/public_html\//;
+     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
-     } else {
+     return $plainname;
- 	$subdirtoprint =~ s/.*(\/res\/)/$1/;
+ }
+ sub get_course {
+     my $courseidinfo;
+     if (defined($ENV{'request.course.id'})) {
+ 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($ENV{'course.'.$ENV{'request.course.id'}.'.description'}),'header');
      }
-     my @content_directory = ();
+     return $courseidinfo;
-     if ($ENV{'request.role'}=~m/^au\./ or $ENV{'request.role'}=~m/^ca\./) {
+ }
- 	@content_directory = &Apache::lonnet::dirlist($subdirtoprint,$ENV{'user.domain'}, $ENV{'user.name'},'');
+ sub page_format_transformation {
+     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist) = @_;
+     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
+     $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
+     if ($numberofcolumns != 1) {
+ 	($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
      } else {
- 	@content_directory = &Apache::lonnet::dirlist($subdirtoprint);
+ 	($textwidth,$textheight,$oddoffset,$evenoffset) = ($ENV{'form.width'},$ENV{'form.height'},$ENV{'form.leftmargin'},$ENV{'form.leftmargin'});
      }
-     for (my $iy=0;$iy<=$#content_directory;$iy++) {
+     my $name = &get_name();
- 	my @tempo_array = split(/&/,$content_directory[$iy]);
+     my $courseidinfo = &get_course();
- 	if ($tempo_array[0] =~ m/^[^\.]+\.(problem|exam|quiz|assess|survey|form|library)$/) {
+     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
- 	    push(@list_of_files,$tempo_array[0]);
+     if ($layout eq 'album') {
+ 	my $topmargintoinsert = '';
+ 	if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
+ 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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} /;
+     } elsif ($layout eq 'book') {
+ 	if ($choice ne 'All class print') {
+ 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\pagestyle{fancy}\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}/;
+ 	} else {
+ 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
  	}
      }
-     $subdirtoprint =~ s/\/$//;
+     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
-     for (my $i=0;$i<=$#list_of_files;$i++) {
+     if ($indexlist eq 'yes') {
- 	$list_of_files[$i] = $subdirtoprint.'/'.$list_of_files[$i];
+ 	$text=~s/(\\begin{document})/\\makeindex $1/;
-     }
+ 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
-     $r->print(<<ENDMENUOUT1);
- <input type="hidden" name="url" value="$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 $text;
+ }
-     function uncheckall() {
+ sub page_cleanup {
- 	for (i=0; i<document.forms.printform.elements.length; i++) {
+     my $result = shift;
-             if
-           (document.forms.printform.elements[i].name.indexOf('whattoprint')==0) {
+     $result =~ m/\\end{document}(\d*)$/;
- 	      document.forms.printform.elements[i].checked=false;
+     my $number_of_columns = $1;
-             }
+     my $insert = '{';
-         }
+     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
-     }
+     $insert .= '}';
- </script>
+     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
- <input type=button onClick="checkall()" value="Check All">&nbsp;
+     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
- <input type=button onClick="uncheckall()" value="Uncheck">
+     return $result,$number_of_columns;
- <p>
- ENDMENUOUT1
-     my $i=0;
-     foreach my $file (@list_of_files) {
- 	$r->print('<br /><input type=checkbox name="whattoprint'.$i.'" value="'.$file.'"> '.
-                   $file);
- 	$i++;
-     }
-     $r->print(<<ENDMENUOUT2);
- <br />
- <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
- <input type="hidden" name="numberofproblems" value="$i">
- <input type="hidden" name="phase" value="three">
- <input type="submit" value="Submit">
- ENDMENUOUT2
  }
- sub additional_class_menu {
+ sub details_for_menu {
-     my $r = shift;
-     $r->print(<<ENDMENUOUT1);
- <input type="hidden" name="url" value="$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="$ENV{'form.numberofcolumns'}">
- <input type="hidden" name="assignment" value="$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() {
+     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
- 	for (i=0; i<document.forms.printform.elements.length; i++) {
+     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
-             if
+     my ($map,$id,$resource)=split(/___/,$symbolic);
-           (document.forms.printform.elements[i].value.indexOf
+     $map=&Apache::lonnet::clutter($map);
-            (document.forms.printform.chksec.value)==0) {
+     my $name_of_sequence;
- 	      document.forms.printform.elements[i].checked=true;
+     $name_of_sequence = $hash{'title_'.$hash{'ids_'.$map}};
-             }
+     if ($name_of_sequence =~ /^\s*$/) {
-         }
+ 	$map =~ m|([^/]+)$|;
+ 	$name_of_sequence = $1;
+     }
+     my $name_of_map = $hash{'title_'.$hash{'ids_'.&Apache::lonnet::clutter($ENV{'request.course.uri'})}};
+     if ($name_of_map =~ /^\s*$/) {
+ 	$ENV{'request.course.uri'} =~ m|([^/]+)$|;
+ 	$name_of_map = $1;
      }
+     return ($name_of_resourse,$name_of_sequence,$name_of_map);
-     function uncheckall() {
+ }
- 	for (i=0; i<document.forms.printform.elements.length; i++) {
-             if
-           (document.forms.printform.elements[i].name.indexOf('whomtoprint')==0) {
+ sub latex_corrections {
- 	      document.forms.printform.elements[i].checked=false;
-             }
+     my ($number_of_columns,$result) = @_;
-         }
+ #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
+     $result =~ s/\$number_of_columns/$number_of_columns/g;
+     $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
+     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
+     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
+ #-- LaTeX corrections
+     my $first_comment = index($result,'<!--',0);
+     while ($first_comment != -1) {
+ 	my $end_comment = index($result,'-->',$first_comment);
+ 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
+ 	$first_comment = index($result,'<!--',$first_comment);
+     }
+     $result =~ s/^\s+$//gm; #remove empty lines
+     $result =~ s/(\s)(\s+)/$1/g; #removes more than one empty space
+     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
+     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
+     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
+ 	$result =~ s/\\\\\s+\[/ \[/g;
+     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
+     #conversion of html characters to LaTeX equivalents
+     if ($result =~ m/&(\w+|#\d+);/) {
+ 	$result = &character_chart($result);
      }
- </script>
+     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
- <input type=button onClick="checkall()" value="Check All">&nbsp;
+     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
- <input type=button onClick="checksec()" value="Check Section/Group">
- <input type=text size=5 name=chksec>&nbsp;
+     return $result;
- <input type=button onClick="uncheckall()" value="Uncheck">
- <p>
- ENDDISHEADER
-     my $i = 0;
-     foreach (sort keys %courselist) {
-         my ($end,$start)=split(/\:/,$courselist{$_});
-         my $active=1;
-         if (($end) && ($now>$end)) { $active=0; }
-         if ($active) {
-            my ($sname,$sdom)=split(/\:/,$_);
-            my %reply=&Apache::lonnet::get('environment',
-               ['firstname','middlename','lastname','generation'],
-               $sdom,$sname);
-            my $section=&Apache::lonnet::usection
- 	       ($sdom,$sname,$ENV{'request.course.id'});
-            $r->print(
-         '<br /><input type=checkbox name="whomtoprint'.$i.'" value="'.$section.':'.$_.'"> '.
- 		      $reply{'firstname'}.' '.
-                       $reply{'middlename'}.' '.
-                       $reply{'lastname'}.' '.
-                       $reply{'generation'}.
-                       ' ('.$_.') '.$section);
- 	   $i++;
-         }
-     }
-     $r->print(<<ENDMENUOUT2);
- <br />Number of blank pages to add: <select name="addedpages"><option selected>0</option>
-                                                               <option>1</option>
-                                                               <option>2</option>
-                                                               <option>3</option>
-                                     </select>
- <br />
- <input type="hidden" name="papersize" value="$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 index_table {
-     my $r = shift;
+     my $currentURL = shift;
-     my $what_to_print = '';
+     my $insex_string='';
-     for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
+     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
- 	$what_to_print .= '<input type="hidden" name="whomtoprint'.$i.'" value="'.$ENV{'form.whomtoprint'.$i}.'">';
+     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
-     }
+     return $insex_string;
-     for (my $i=0; $i<$ENV{'form.numberofproblems'};$i++) {
+ }
- 	$what_to_print .= '<input type="hidden" name="whattoprint'.$i.'" value="'.$ENV{'form.whattoprint'.$i}.'">';
-     }
-     for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {
+ sub IndexCreation {
- 	$what_to_print .= '<input type="hidden" name="whatfile'.$i.'" value="'.$ENV{'form.whatfile'.$i}.'">';
+     my ($texversion,$currentURL)=@_;
-     }
+     my @key_words=split(/,/,&index_table($currentURL));
-     $r->print(<<ENDMENUOUT);
+     my $chunk='';
-     $what_to_print
+     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
- <input type="hidden" name="url" value="$ENV{'form.url'}">
+     if ($st>0) {
- <input type="hidden" name="choice" value="$ENV{'form.choice'}">
+ 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
- <input type="hidden" name="layout" value="$ENV{'form.layout'}">
+ 	$chunk=substr($texversion,0,$st+1);
- <input type="hidden" name="papersize" value="$ENV{'form.papersize'}">
+ 	substr($texversion,0,$st+1)=' ';
- <input type="hidden" name="numberofstudents" value="$ENV{'form.numberofstudents'}">
+     }
- <input type="hidden" name="numberofproblems" value="$ENV{'form.numberofproblems'}">
+     foreach my $key_word (@key_words) {
- <input type="hidden" name="numberoffiles" value="$ENV{'form.numberoffiles'}">
+ 	if ($key_word=~/\S+/) {
- <input type="hidden" name="numberofcolumns" value="$ENV{'form.numberofcolumns'}">
+ 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
- <input type="hidden" name="assignment" value="$ENV{'form.assignment'}">
+ 	}
- <input type="hidden" name="addedpages" value="$ENV{'form.addedpages'}">
+     }
- Define one column layout parameters: <br />
+     if ($st>0) {substr($texversion,0,1)=$chunk;}
- <b>Width</b>: <input type="text" name="width" width="8" value="9cm"> <br />
+     return $texversion;
- <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 {
-     my $r = shift;
+     my ($r,$helper,$rparmhash) = @_;
+     my %parmhash = %$rparmhash;
+     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
      $r->print(<<ENDPART);
  <html>
  <head>
  <title>LON-CAPA output for printing</title>
  </head>
- <body bgcolor="FFFFFF">
+ $bodytag
- <hr>
+ Please stand by while processing your print request, this may take some time ...
  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 $selectionmade = '';
+     my @temporary_array=split /\|/,$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 {
+ 	$laystyle='book';
+     }
+     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
+     my $assignment =  $ENV{'form.assignment'};
+     my $LaTeXwidth;
+     if ($textwidth=~/(\d+\.?\d*)\s*cm/) {
  	$LaTeXwidth = $1*10;
-     } elsif ($textwidth=~/(\d+\s*mm)/) {
+     } elsif ($textwidth=~/(\d+\.?\d*)\s*mm/) {
  	$LaTeXwidth = $1;
+     } elsif ($textwidth=~/(\d+\.?\d*)\s*in/) {
+ 	$LaTeXwidth = $1*25.4;
      }
-     if ($choice eq 'Standard LaTeX output for current document') {
+     $LaTeXwidth.=' mm';
-       #-- single document - problem, page, html, xml
-       $selectionmade = 1;
+     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
-       if ($ENV{'form.url'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
+       #-- single document - problem, page, html, xml, ...
-         my %moreenv;
+ 	my $currentURL;
-         $moreenv{'form.grade_target'}='tex';
+ 	if ($helper->{'VARS'}->{'construction'} ne '1') {
-         if (&Apache::lonnet::allowed('bre',$ENV{'form.url'})) {
+             #prints published resource
- 	  $ENV{'form.url'}=~s/http:\/\/[^\/]+//;
+ 	    $currentURL=$helper->{'VARS'}->{'postdata'};
-         }
+ 	} else {
-         $moreenv{'request.filename'}=$ENV{'form.url'};
+             #prints resource from the construction space
-         $moreenv{'form.textwidth'}=$LaTeXwidth;
+ 	    $currentURL=$helper->{'VARS'}->{'filename'};
-         &Apache::lonnet::appenv(%moreenv);
+ 	    $currentURL=~s/\/home\//\/~/;
-         my $texversion=&Apache::lonnet::ssi($ENV{'form.url'});
+ 	    $currentURL=~s/public_html\///;
-         &Apache::lonnet::delenv('form.grade_target','form.textwidth','form.counter');
+ 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
-         $result .= $texversion;
+ 	}
-         if ($ENV{'form.url'}=~m/\.page\s*$/) {
+ 	$selectionmade = 1;
- 	  ($result,$number_of_columns) = &page_cleanup($result);
+ 	if ($currentURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
-         }
+ 	    my %moreenv;
-       } else{
+ 	    $moreenv{'request.filename'}=$currentURL;
-         $result='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}You are trying to print eather sequence or something simular. Currently this option is not supported. Sorry for the inconvenience. Bye. Your current URL is '.$ENV{'form.url'}.' \end{document}'
+ 	    my %form;
-       }
+ 	    $form{'grade_target'}='tex';
-     } elsif ($choice eq 'Standard LaTeX output for the primary sequence' or
+ 	    $form{'textwidth'}=$LaTeXwidth;
-              $choice eq 'Standard LaTeX output for whole primary sequence') {
+ 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
-       #-- minimal sequence to which the current document belongs
+ 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
-         #-- where is the primary sequence containing file?
+ 	    my $rndseed=time;
-         my @master_seq = ();
+ 	    if ($helper->{'VARS'}->{'curseed'}) {
- 	for (my $i=0; $i<$ENV{'form.numberoffiles'};$i++) {
+ 		$rndseed=$helper->{'VARS'}->{'curseed'};
- 	    if ($ENV{'form.whatfile'.$i}=~/\S/) {
- 		push @master_seq,$ENV{'form.whatfile'.$i};
  	    }
+ 	    $form{'rndseed'}=$rndseed;
+ 	    &Apache::lonnet::appenv(%moreenv);
+ 	    &Apache::lonnet::delenv('form.counter');
+ 	    &Apache::lonxml::init_counter();
+ 	    my $texversion=&Apache::lonnet::ssi($currentURL,%form);
+ 	    &Apache::lonnet::delenv('form.counter');
+ 	    &Apache::lonnet::delenv('request.filename');
+ 	    if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 		my %form;
+ 		$form{'grade_target'}='answer';
+ 		$form{'answer_output_mode'}='tex';
+ 		$form{'rndseed'}=$rndseed;
+ 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
+ 		$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ 	    }
+ 	    if ($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 %form;
+ 		    $form{'grade_target'}='tex';
+ 		    $form{'textwidth'}=$LaTeXwidth;
+ 		    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		    $form{'rndseed'}=$rndseed;
+ 		    my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ 		    if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 			my %form;
+ 			$form{'grade_target'}='answer';
+ 			$form{'answer_output_mode'}='tex';
+ 			$form{'rndseed'}=$rndseed;
+                         if ($urlp=~/\/res\//) {$ENV{'request.state'}='published';}
+ 			####my $answer=' SSSSSS '.$ENV{'request.state'}.' FFFFFFF ';
+ 			my $answer=&Apache::lonnet::ssi($urlp,%form);
+ 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+ 		    }
+ 		    if ($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}';
+ 	} else {
+ 	  $result.='\documentclass[letterpaper]{article}\usepackage{calc}\begin{document}Printout of this type of document is currently not supported: ';
+ 	  if ($currentURL=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) {
+ 	      $result.=$1;
+ 	  } elsif ($currentURL=~/\/ext\//) {
+ 	      $result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
+ 	  } else {
+ 	      $result.=$currentURL;
+ 	  }
+ 	  $result.=' \end{document}'
  	}
+     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or
+              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
+              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')) {
          #-- produce an output string
+ 	my %form=();
+ 	$form{'grade_target'}='tex';
+ 	$form{'textwidth'}=$LaTeXwidth;
+ 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
+ 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
  	my $flag_latex_header_remove = 'NO';
  	my $flag_page_in_sequence = 'NO';
+ 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
+ 	my $prevassignment='';
+ 	&Apache::lonnet::delenv('form.counter');
+ 	&Apache::lonxml::init_counter();
  	for (my $i=0;$i<=$#master_seq;$i++) {
-            my ($urlp,$symb) = split /&&/, $master_seq[$i];
+ 	    $master_seq[$i]=~/___\d+___(.*)$/;
- 	    if ($choice eq 'Standard LaTeX output for the primary sequence') {
+ 	    my $urlp='/res/'.$1;
-               $selectionmade = 2;
+ 	    if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
- 	    } elsif ($choice eq 'Standard LaTeX output for whole primary sequence') {
+ 		$selectionmade = 2;
-               $selectionmade = 3;
+ 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
+ 		$selectionmade = 3;
+ 	    } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
+ 		$selectionmade = 4;
+ 	    }
+ 	    $form{'symb'}=$master_seq[$i];
+ 	    $master_seq[$i]=~/(.*)___\d*___/;
+ 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($1),'header'); #tittle of the assignment which contains this problem
+ 	    #&Apache::lonnet::logthis("Trying to get $urlp with symb $master_seq[$i]");
+ 	    my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ 	    if ($urlp=~/\.page$/) {
+ 		($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
+ 		if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
+ 		$texversion =~ s/\\end{document}\d*/\\end{document}/;
+ 		$flag_page_in_sequence = 'YES';
+ 	    }
+ 	    if ($flag_latex_header_remove ne 'NO') {
+ 		$texversion = &latex_header_footer_remove($texversion);
+ 	    } else {
+ 		$texversion =~ s/\\end{document}//;
  	    }
- 	   my %moreenv;
+ 	    if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
- 	   $moreenv{'form.grade_target'}='tex';
+ 		my %form;
- 	   $moreenv{'form.textwidth'}=$LaTeXwidth;
+ 		$form{'grade_target'}='answer';
- 	   &Apache::lonnet::appenv(%moreenv);
+ 		$form{'answer_output_mode'}='tex';
- 	   &Apache::lonnet::logthis("Trying to get $urlp with symb $symb");
+ 		my $answer=&Apache::lonnet::ssi($urlp,%form);
- 	   my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
+ 		$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
- 	   &Apache::lonnet::delenv('form.grade_target','form.textwidth');
+ 	    }
- 	   if ($urlp =~ m/\.page/) {
+ 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
- 	     ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
+ 		$texversion=&IndexCreation($texversion,$urlp);
- 	     if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
+ 	    }
- 	     $texversion =~ s/\\end{document}\d*/\\end{document}/;
+ 	    if (($selectionmade == 4) and ($assignment ne $prevassignment) and ($i>=1)) {
- 	     $flag_page_in_sequence = 'YES';
+ 		my ($name,$courseidinfo) = &get_name;
- 	   }
+ 		$courseidinfo = &get_course();
- 	   if ($flag_latex_header_remove ne 'NO') {
+ 		if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
- 	     $texversion = &latex_header_footer_remove($texversion);
+ 		$prevassignment=$assignment;
- 	   } else {
+ 		$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip -5 mm ';
- 	     $texversion =~ s/\\end{document}//;
+ 	    }
- 	   }
+ 	    $result .= $texversion;
- 	   $result .= $texversion;
+ 	    $flag_latex_header_remove = 'YES';
- 	   $flag_latex_header_remove = 'YES';
  	}
  	&Apache::lonnet::delenv('form.counter');
  	if ($flag_page_in_sequence eq 'YES') {$result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;}
  	$result .= '\end{document}';
-     }  elsif ($choice eq 'Standard LaTeX output for the top level sequence') {
+      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
-         # where is the main sequence of the course?
+      #-- prints assignments for whole class or for selected students
- 	$selectionmade = 4;
+ 	 $selectionmade=5;
- 	my $main_seq = '/res/'.$ENV{'request.course.uri'};
+ 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
- 	my @file_seq = &coming_from_hash_whole($main_seq);
+ 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
- 	my $flag_latex_header_remove = 'NO';
+ 	 #loop over students
-         #-- produce an output string
+ 	 my $flag_latex_header_remove = 'NO';
- 	for (my $i=0;$i<=$#file_seq;$i++) {
+ 	 my %moreenv;
-             my ($urlp,$symb) = split /&&/, $file_seq[$i];
+ 	 $moreenv{'form.textwidth'}=$LaTeXwidth;
- 	    $urlp=~s/\/home\/httpd\/html//;
+ 	 &Apache::lonnet::appenv(%moreenv);
-             if ($urlp=~m/\.(problem|exam|quiz|assess|survey|form|library)/) {
+ 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1);
- 		my %moreenv;
+ 	 foreach my $person (@students) {
- 		$moreenv{'form.grade_target'}='tex';
- 		$moreenv{'form.textwidth'}=$LaTeXwidth;
- 		&Apache::lonnet::appenv(%moreenv);
- 		my $texversion=&Apache::lonnet::ssi($urlp,('symb'=>$symb));
- 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');
- 		if ($flag_latex_header_remove ne 'NO') {
- 		    $texversion = &latex_header_footer_remove($texversion);
- 		} else {
- 		    $texversion =~ s/\\end{document}//;
- 		}
- 		$result .= $texversion;
- 		$flag_latex_header_remove = 'YES';
- 	    }
- 	}
- 	$result .= '\end{document}';
-     } elsif ($choice eq 'All class print') {
-     #-- prints assignments for whole class or for selected students
- 	$selectionmade = 5;
-         my @students = ();
- 	for (my $i=0; $i<$ENV{'form.numberofstudents'};$i++) {
- 	    if ($ENV{'form.whomtoprint'.$i}=~/:/) {
- 		push @students,$ENV{'form.whomtoprint'.$i};
- 	    }
- 	}
- 	#where is the primary sequence containing current resource (the same for all students)?
- 	my $symbolic = &Apache::lonnet::symbread($ENV{'form.url'});
- 	my @sequence = split('___',$symbolic);
- 	my $primary_sequence = '/res/'.$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 /:/,$person;
+ #	    my ($usersection,$username,$userdomain) = split /:/,$person;
- 	    my $fullname = &Apache::grades::get_fullname($username,$userdomain);
+ 	    my ($username,$userdomain) = split /:/,$person;
+ 	    my $fullname = &get_name($username,$userdomain);
+ 	    if ($parmhash{'anonymous_quiz'}=~/yes/) {$fullname=' ';} #put here something reasonable for anonymous exams or quiz
              #goes through all resources, checks if they are available for current student, and produces output
+ 	    &Apache::lonnet::delenv('form.counter');
+ 	    &Apache::lonxml::init_counter();
  	    foreach my $curresline (@master_seq)  {
- 		my ($curres,$symb) = split /&&/, $curresline;
+ 		if ($curresline=~ m/\.(problem|exam|quiz|assess|survey|form|library)$/) {
-                 if ($curres=~ m/\.(problem|exam|quiz|assess|survey|form|library)/) {
+ 		    my ($map,$id,$res_url) = split(/___/,$curresline);
- 		    my ($map,$id,$res_url) = split(/___/,$symb);
  		    if (&Apache::lonnet::allowed('bre',$res_url)) {
- 			my $rendered = &Apache::loncommon::get_student_view($symb,$username,$userdomain,
+ 			my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,
                                                                          $ENV{'request.course.id'},'tex');
  			if ($flag_latex_header_remove eq 'YES') {
  			    $rendered = &latex_header_footer_remove($rendered);
  			} else {
  			    $rendered =~ s/\\end{document}//;
  			}
+ 			if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 			    my %form;
+ 			    $form{'answer_output_mode'}='tex';
+ 			    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 			    my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$ENV{'request.course.id'},%form);
+ 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
+ 			}
  			$current_output .= $rendered;
  		    }
  		    $flag_latex_header_remove = 'YES';
  		}
  	    }
+ 	    my $courseidinfo = &get_course();
+ 	    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
+ 	    my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
  	    if ($current_output=~/\\documentclass/) {
- 		my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ 		$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}}\\vskip 3 mm /;
- 		$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\pagestyle{myheadings}\\markboth{}{{$courseidinfo  - $assignment}}\\begin{document}\\noindent\\textit{\\textbf{$fullname}}\\vskip 3 mm /;
  	    } else {
  		my $blanspages = '';
- 		for (my $j=0;$j<$ENV{'form.addedpages'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
+ 		for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blanspages.='\clearpage\strut\clearpage';}
- 		$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License } \\vskip 3mm'.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\textit{\textbf{'.$fullname.'}}\hskip 1.4in } \vskip 5 mm '.$current_output;
+ 		$current_output = '\strut\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blanspages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}}} \vskip -5 mm '.$current_output;
  	    }
  	    $result .= $current_output;
  	    &Apache::lonnet::delenv('form.counter');
+ 	    &Apache::lonxml::init_counter();
+ 	    &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
+ 						    'last student '.$fullname);
  	}
+ 	&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
  	$result .= '\end{document}';
  	&Apache::lonnet::delenv('form.textwidth');
-     } elsif ($choice eq 'Subdirectory print') {
+     } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {
      #prints selected problems from the subdirectory
  	$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++) {
  	    my $urlp = $list_of_files[$i];
  	    if ($urlp=~/\//) {
- 		my %moreenv;
+ 		my %form;
- 		$moreenv{'form.grade_target'}='tex';
+ 		$form{'grade_target'}='tex';
- 		$moreenv{'form.textwidth'}=$LaTeXwidth;
+ 		$form{'textwidth'}=$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|^/home/httpd/html||;
+ 		}
+ 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
+ 		if($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
+ 		    my %form;
+ 		    $form{'grade_target'}='answer';
+ 		    $form{'answer_output_mode'}='tex';
+ 		    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
+ 		    $form{'rndseed'}=$rndseed;
+ 		    my $answer=&Apache::lonnet::ssi($urlp,%form);
+ 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
  		}
- 		my $texversion=&Apache::lonnet::ssi($urlp);
- 		&Apache::lonnet::delenv('form.grade_target','form.textwidth');
                  #this chunck is responsible for printing the path to problem
  		my $newurlp = '';
  		my $HowMany = length($urlp)*2;
- Line 640  ENDPART
+ Line 943  ENDPART
  		} else {
  		    $texversion =~ s/\\end{document}//;
  		}
+ 		if ($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;
  	    }
  	    $flag_latex_header_remove = 'YES';
  	}
+ 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
  	$result .= '\end{document}';
      }
  #-------------------------------------------------------- corrections for the different page formats
-     $result = &page_format_transformation($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'},$helper->{'VARS'}->{'TABLE_INDEX'});
-     if ($layout eq 'CBI') {
-         $laystyle = 'album';
-     }
      $result = &latex_corrections($number_of_columns,$result);
      #changes page's parameters for the one column output
-     if ($ENV{'form.numberofcolumns'} == 1) {
+     if ($numberofcolumns == 1) {
- 	$result =~ s/\\textwidth= 9cm/\\textwidth= $ENV{'form.width'}/;
+ 	$result =~ s/\\textwidth= 9cm/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
- 	$result =~ s/\\textheight 25\.9cm/\\textheight $ENV{'form.height'}/;
+ 	$result =~ s/\\textheight 25\.9cm/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
- 	$result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $ENV{'form.leftmargin'}/;
+ 	$result =~ s/\\evensidemargin = -0\.57in/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
- 	$result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $ENV{'form.leftmargin'}/;
+ 	$result =~ s/\\oddsidemargin = -0\.57in/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
+     }
+     if ($helper->{'VARS'}->{'TABLE_CONTENTS'} eq 'yes') {$selectionmade*=10;}
+     if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
+ 	if ($selectionmade<10) {$selectionmade*=100;} else {$selectionmade*=10;}
      }
+     if ($ENV{'request.role.adv'}) {$selectionmade*=10000;}
  #-- writing .tex file in prtspool
      my $temp_file;
      my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout_".time."_".rand(10000000).".tex";
- Line 667  ENDPART
+ Line 980  ENDPART
  	return SERVER_ERROR;
      }
      print $temp_file $result;
  $r->print(<<FINALEND);
  <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$filename&$laystyle&$numberofcolumns&$selectionmade">
  </body>
- Line 675  FINALEND
+ Line 989  FINALEND
  }
- sub coming_from_hash_whole {
-     my $mainsequence = shift;
+ sub handler {
-     my @resourcelist = ();
-     my $mapid = $hash{'map_pc_'.$mainsequence};
+     my $r = shift;
-     my $mapstart = $hash{'map_start_'.$mainsequence};
+     my $helper;
-     my $mapfinish = $hash{'map_finish_'.$mainsequence};
-     my $current_resource = $mapstart;
+ #    my $loaderror=&Apache::lonnet::overloaderror($r);
-     while ($current_resource ne $mapfinish) {
+ #    if ($loaderror) { return $loaderror; }
- 	if ($hash{'src_'.$current_resource}=~/\.sequence$/) {
+ #    $loaderror=
- 	    push @resourcelist,&coming_from_hash_whole($hash{'src_'.$current_resource});
+ #       &Apache::lonnet::overloaderror($r,
- 	} else {
+ #         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
-             $mainsequence =~ /\/res\/(.*)$/;
+ #    if ($loaderror) { return $loaderror; }
- 	    my $presymb = $1;
- 	    my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
+     my $result = printHelper($r);
-             if ($rid=~/,/) {
+     if (!ref($result)) {
- 		my @rid = split /,/, $rid;
+ 	return $result;
- 		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;
+     $helper = $result;
+ #	my $key;
+ #	foreach $key (keys %{$helper->{'VARS'}}) {
+ #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
+ #	}
+ #	return OK;
+     my %parmhash=&Apache::lonnet::coursedescription($ENV{'request.course.id'});
+ #	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 $paramHash = Apache::lonhelper::getParamHash();
+     $paramHash->{MESSAGE_TEXT} = $text;
+     Apache::lonhelper::message->new();
  }
+ sub printHelper {
+     my $r = shift;
- sub coming_from_hash {
+     if ($ENV{'request.course.id'}) {
+ 	my $fn=$ENV{'request.course.fn'};
+ 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
+     }
-     my ($mainsequence,$symb) = @_;
+     if ($r->header_only) {
-     my @resourcelist = ();
+         if ($ENV{'browser.mathml'}) {
-     my $mapid = $hash{'map_pc_'.$mainsequence};
+             $r->content_type('text/xml');
-     my $mapstart = $hash{'map_start_'.$mainsequence};
+         } else {
-     my $mapfinish = $hash{'map_finish_'.$mainsequence};
+             $r->content_type('text/html');
-     my ($presymb) = split(/___/,$symb);
+         }
-     $presymb = $presymb.'___';
+         $r->send_http_header;
-     my $current_resource = $mapstart;
+         return OK;
-     while ($current_resource ne $mapfinish) {
- 	if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {
- 	    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\/(.*)$/;
- 	    $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
-     if (not $hash{'src_'.$current_resource}=~/\.sequence$/) {
+     # Send header, nocache
- 		    my $rid = $hash{'ids_'.$hash{'src_'.$current_resource}};
+     if ($ENV{'browser.mathml'}) {
-             if ($rid=~/,/) {
+         $r->content_type('text/xml');
- 		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\/(.*)$/;
- 	    $symb = $presymb.$rid.'___'.$1;
- 	push @resourcelist,$hash{'src_'.$current_resource}.'&&'.$symb;
      } else {
- 	push @resourcelist,&coming_from_hash($hash{'src_'.$current_resource});
+         $r->content_type('text/html');
      }
-     return @resourcelist;
+     &Apache::loncommon::no_cache($r);
- }
+     $r->send_http_header;
+     $r->rflush();
+     # Unfortunately, this helper is so complicated we have to
+     # write it by hand
- sub latex_header_footer_remove {
+     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
-     my $text = shift;
-     $text =~ s/\\end{document}//;
+     my $helper = Apache::lonhelper::helper->new("Printing Helper");
-     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
+     $helper->declareVar('symb');
-     return $text;
+     $helper->declareVar('postdata');
- }
+     $helper->declareVar('curseed');
+     $helper->declareVar('filename');
+     $helper->declareVar('construction');
+     $helper->declareVar('assignment');
+     # This will persistently load in the data we want from the
+     # very first screen.
+     # Detect whether we're coming from construction space
+     if ($ENV{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
+         $helper->{VARS}->{'filename'} = "/home/$1/public_html/$2";
+         $helper->{VARS}->{'construction'} = 1;
+     } else {
+         if ($ENV{'form.postdata'}) {
+             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($ENV{'form.postdata'});
+         }
+         if ($ENV{'form.symb'}) {
+             $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
+         }
+         if ($ENV{'form.url'}) {
+             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
+         }
+     }
+     if ($ENV{'form.symb'}) {
+         $helper->{VARS}->{'symb'} = $ENV{'form.symb'};
+     }
+     if ($ENV{'form.url'}) {
+         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
- sub character_chart {
+     }
-     my $result = shift;
-     $result =~ s/&#0?0?7;//g;
+     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu;
-     $result =~ s/&#0?0?9;//g;
+     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
-     $result =~ s/&#0?10;//g;
-     $result =~ s/&#0?13;//g;
-     $result =~ s/&#0?32;/ /g;
+     # Extract map
-     $result =~ s/&#0?33;/!/g;
+     my $symb = $helper->{VARS}->{'symb'};
-     $result =~ s/&#0?34;/"/g;
+     my ($map, $id, $url);
-     $result =~ s/&quot;/"/g;   #"
+     my $subdir;
-     $result =~ s/&#0?35;/\\#/g;
- #    $result =~ s/&#0?36;/\\\$/g;
+     # Get the resource name from construction space
-     $result =~ s/&#0?37;/\\%/g;
+     if ($helper->{VARS}->{'construction'}) {
-     $result =~ s/&#0?38;/\\&/g;
+         $resourceTitle = substr($helper->{VARS}->{'filename'},
-     $result =~ s/&amp;/\\&/g;
+                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
-     $result =~ s/&#0?39;/'/g;
+         $subdir = substr($helper->{VARS}->{'filename'},
-     $result =~ s/&#0?40;/(/g;
+, rindex($helper->{VARS}->{'filename'}, '/') + 1);
-     $result =~ s/&#0?41;/)/g;
+     } else {
-     $result =~ s/&#0?42;/\*/g;
+         ($map, $id, $url) = split(/___/, $symb);
-     $result =~ s/&#0?43;/\+/g;
+         $helper->{VARS}->{'postdata'} = Apache::lonnet::clutter($url);
-     $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 $result;
- }
+         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
+             my $url = $helper->{VARS}->{'postdata'};
+             $resourceTitle = substr($url, rindex($url, '/') + 1);
+         }
+         $subdir = &Apache::lonnet::filelocation("", $url);
+     }
+     if (!$helper->{VARS}->{'curseed'} && $ENV{'form.curseed'}) {
+ 	$helper->{VARS}->{'curseed'}=$ENV{'form.curseed'};
+     }
-     sub page_format {
+     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
- 	my ($papersize,$layout,$numberofcolumns) = @_;
- 	my ($textwidth,$textheight,$oddoffset,$evenoffset) = (0,0,0,0);
+     Apache::lonhelper::registerHelperTags();
- 	if ($papersize=~/Letter/) {
- 	    if ($layout eq 'CAPA') {
+     # "Delete everything after the last slash."
- 		if ($numberofcolumns == 1) {
+     $subdir =~ s|/[^/]+$||;
- 		    $textwidth = '18 cm';
+     if (not $helper->{VARS}->{'construction'}) {
- 		    $textheight = '25.9 cm';
+ 	$subdir='/home/httpd/html/res/'.$subdir;
- 		    $oddoffset = '-0.57 in';
+     }
- 		    $evenoffset = '-0.57 in';
+     # "Remove all duplicate slashes."
- 		} elsif ($numberofcolumns == 2) {
+     $subdir =~ s|/+|/|g;
- 		    $textwidth = '93 mm';
- 		    $textheight = '25.9 cm';
+     # What can be printed is a very dynamic decision based on
- 		    $oddoffset = '-0.57 in';
+     # lots of factors. So we need to dynamically build this list.
- 		    $evenoffset = '-0.57 in';
+     # To prevent security leaks, states are only added to the wizard
- 		}
+     # if they can be reached, which ensures manipulating the form input
- 	    } elsif ($layout eq 'CBI') {
+     # won't allow anyone to reach states they shouldn't have permission
- 		if ($numberofcolumns eq '1') {
+     # to reach.
- 		    $textwidth = '8.8 in';
- 		    $textheight = '6.8 in';
+     # printChoices is tracking the kind of printing the user can
- 		    $oddoffset = '-40 pt';
+     # do, and will be used in a choices construction later.
- 		    $evenoffset = '-60 pt';
+     # In the meantime we will be adding states and elements to
- 		} elsif ($numberofcolumns == 2) {
+     # the helper by hand.
- 		    $textwidth = '4.2 in';
+     my $printChoices = [];
- 		    $textheight = '6.8 in';
+     my $paramHash;
- 		    $oddoffset = '-40 pt';
- 		    $evenoffset = '-60 pt';
+     if ($resourceTitle) {
- 		}
+         push @{$printChoices}, ["<b>$resourceTitle</b> (prints what you just saw on the screen)", 'current_document', 'PAGESIZE'];
- 	    }
+     }
- #    } elsif($papersize=~/Legal/) {
- #    } elsif($papersize=~/Ledger/) {
+ #    $r->print($helper->{VARS}->{'postdata'});
- #    } elsif($papersize=~/Executive/) {
-     } elsif($papersize=~/A4/) {
+     # If we're in a sequence...
- 	    if ($layout eq 'CAPA') {
+     if ($helper->{'VARS'}->{'construction'} ne '1') {
- 		if ($numberofcolumns == 1) {
+         # Allow problems from sequence
- 		    $textwidth = '18 cm';
+         push @{$printChoices}, ["Problem(s) from <b>$sequenceTitle</b>", 'map_problems', 'CHOOSE_PROBLEMS'];
- 		    $textheight = '28 cm';
+         # Allow all resources from sequence
- 		    $oddoffset = '-0.57 in';
+         push @{$printChoices}, ["Everything (problem(s), page(s), html/xml file(s)) from <b>$sequenceTitle</b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
- 		    $evenoffset = '-0.57 in';
- 		} elsif ($numberofcolumns == 2) {
+         my $isProblem = '$res->is_problem()';
- 		    $textwidth = '96 mm';
+ 	$isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
- 		    $textheight = '2 cm';
+         my $isProblemOrMap = '$res->is_problem() || $res->is_map()';
- 		    $oddoffset = '-0.57 in';
+         my $isNotMap = '!$res->is_map()';
- 		    $evenoffset = '-0.57 in';
+ 	$isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
- 		}
+         my $symb = '$res->symb()';
- 	    } elsif ($layout eq 'CBI') {
+         my $helperFragment = <<HELPERFRAGMENT;
- 		if ($numberofcolumns eq '1') {
+   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
- 		    $textwidth = '8.5 in';
+     <message>(mark them then click "next" button) <br /></message>
- 		    $textheight = '7.7 in';
+     <resource variable="RESOURCES" multichoice="1" toponly='1'>
- 		    $oddoffset = '-40 pt';
+       <nextstate>PAGESIZE</nextstate>
- 		    $evenoffset = '-60 pt';
+       <filterfunc>return $isProblem;</filterfunc>
- 		} elsif ($numberofcolumns == 2) {
+       <mapurl>$map</mapurl>
- 		    $textwidth = '3.9 in';
+       <valuefunc>return $symb;</valuefunc>
- 		    $textheight = '7.7 in';
+       </resource>
- 		    $oddoffset = '-40 pt';
+     </state>
- 		    $evenoffset = '-60 pt';
- 		}
+   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
- 	    }
+     <message>(mark them then click "next" button) <br /></message>
- #    } elsif($papersize=~/A3/) {
+     <resource variable="RESOURCES" multichoice="1" toponly='1'>
- #    } elsif($papersize=~/A2/) {
+       <nextstate>PAGESIZE</nextstate>
- #    } elsif($papersize=~/A5/) {
+       <filterfunc>return $isNotMap;</filterfunc>
- #    } elsif($papersize=~/A6/) {
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symb;</valuefunc>
+       </resource>
+     </state>
+ HELPERFRAGMENT
+         &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
+     }
+     # If the user is priviledged, allow them to print all
+     # problems in the course, optionally for selected students
+     if (($ENV{'request.role'}=~m/^cc\./ or $ENV{'request.role'}=~m/^in\./ or $ENV{'request.role'}=~m/^ta\./) and ($helper->{VARS}->{'postdata'}=~/\/res\//)) {
+         push @{$printChoices}, ['<b>Problems</b> in this course', 'all_problems', 'ALL_PROBLEMS'];
+         push @{$printChoices}, ["Problems from <b>$sequenceTitle</b> for selected students", 'problems_for_students', 'CHOOSE_STUDENTS'];
+         my $isProblem = '$res->is_problem()';
+ 	$isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
+         my $isProblemOrMap = '($res->is_problem() || $res->is_map())';
+ 	$isProblemOrMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
+         my $symb = '$res->symb()';
+         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
+   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
+     <message>(mark them then click "next" button) <br /></message>
+     <resource variable="RESOURCES" multichoice="1" suppressEmptySequences='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filterfunc>return $isProblemOrMap;</filterfunc>
+       <choicefunc>return $isProblem;</choicefunc>
+       <valuefunc>return $symb;</valuefunc>
+       </resource>
+     </state>
+   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
+     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" />
+     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
+     <resource variable="RESOURCES" multichoice="1">
+       <filterfunc>return $isProblem</filterfunc>
+       <mapurl>$map</mapurl>
+       <valuefunc>return $symb</valuefunc>
+       </resource>
+     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
+     <choices variable="EMPTY_PAGES">
+       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
+       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
+       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
+       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
+       </choices>
+     </state>
+ CHOOSE_STUDENTS
+     }
+     # FIXME: That RE should come from a library somewhere.
+     if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $ENV{'request.role.adv'}) {
+         push @{$printChoices}, ["Problems from current subdirectory <b>$subdir</b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
+         my $f = '$filename';
+         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
+   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
+     <message>(mark them then click "next" button) <br /></message>
+     <files variable="FILES" multichoice='1'>
+       <nextstate>PAGESIZE</nextstate>
+       <filechoice>return '$subdir';</filechoice>
+ CHOOSE_FROM_SUBDIR
+         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
+       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
+ 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
+       </filefilter>
+       </files>
+     </state>
+ CHOOSE_FROM_SUBDIR
+         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
+     }
+     # Generate the first state, to select which resources get printed.
+     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 With Answers:</td><td>");
+         $paramHash = Apache::lonhelper::getParamHash();
+ 	$paramHash->{'variable'} = 'ANSWER_TYPE';
+ 	$helper->declareVar('ANSWER_TYPE');
+         $paramHash->{CHOICES} = [
+                                    ['No', 'yes'],
+                                    ['Yes', 'no'] ];
+         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();
+ 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
+         $paramHash = Apache::lonhelper::getParamHash();
+ 	$paramHash->{'variable'} = 'TABLE_CONTENTS';
+ 	$helper->declareVar('TABLE_CONTENTS');
+         $paramHash->{CHOICES} = [
+                                    ['No', 'no'],
+                                    ['Yes', 'yes'] ];
+         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');
+ 	    $paramHash->{CHOICES} = [
+ 				     ['No', 'no'],
+ 				     ['Yes', 'yes'] ];
+ 	    Apache::lonhelper::dropdown->new();
+ 	    addMessage("</td></tr>");
+ 	}
+ 	if ($helper->{VARS}->{'construction'}) {
+ 	    addMessage("<tr><td align='right'>Print With URL: </td><td>");
+ 	    $paramHash = Apache::lonhelper::getParamHash();
+ 	    $paramHash->{'variable'} = 'CONSTR_RESOURSE_URL';
+ 	    $helper->declareVar('CONSTR_RESOURSE_URL');
+ 	    $paramHash->{CHOICES} = [
+ 				     ['No', 'no'],
+ 				     ['Yes', 'yes'] ];
+ 	    Apache::lonhelper::dropdown->new();
+ 	    addMessage("</td></tr>");
+ 	}
+ 	if ($helper->{'VARS'}->{'construction'}) {
+ 	    my $xmlfrag .= <<'RNDSEED';
+ 	    <message><tr><td align='right'>Use random seed: </td><td></message>
+ 	    <string variable="curseed" size="15" maxlength="15">
+ 		<defaultvalue>
+ 	            return $helper->{VARS}->{'curseed'};
+ 	        </defaultvalue>
+ 	     </string>
+              <message></td></tr></message>
+ RNDSEED
+             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
  	}
- 	return $textwidth,$textheight,$oddoffset,$evenoffset;
      }
+     if ($startedTable) {
+ 	addMessage("</table>");
+     }
- sub page_format_transformation {
+     Apache::lonprintout::page_format_state->new("FORMAT");
- 	my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment) = @_;
- 	my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$layout,$numberofcolumns);
+     # Generate the PAGESIZE state which will offer the user the margin
- 	my $courseidinfo = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+     # choices if they select one column
- 	if ($layout eq 'CBI') {
+     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
- 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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  $courseidinfo} \\vskip 5 mm /;
+     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
- 	} elsif ($layout eq 'CAPA') {
-  	    if ($choice ne 'All class print') {
- 		$text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\setlength{\\topmargin}{1cm}\\setlength{\\headheight}{1cm}\\setlength{\\headsep}{0.5cm}\\markboth{}{\\textbf{$ENV{'environment.firstname'} $ENV{'environment.lastname'}} $courseidinfo  - $assignment}\\pagestyle{myheadings}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}/;
+     $helper->process();
- 	    } else {
- 		$text =~ s/\\begin{document}/\\setlength{\\textheight}{$textheight}\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}\\setlength{\\textwidth}{$textwidth}\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\begin{document}\\voffset=-1\.8cm\\setcounter{page}{1}  \\vskip 5 mm /;
+     # MANUAL BAILOUT CONDITION:
- 	    }
+     # If we're in the "final" state, bailout and return to handler
- 	}
+     if ($helper->{STATE} eq 'FINAL') {
- 	return $text;
+         return $helper;
+     }
+     $r->print($helper->display());
+     Apache::lonhelper::unregisterHelperTags();
+     untie %hash;
+     return OK;
  }
- sub page_cleanup {
+;
-     my $result = shift;
+ package Apache::lonprintout::page_format_state;
-     $result =~ m/\\end{document}(\d*)$/;
-     my $number_of_columns = $1;
+ =pod
-     my $insert = '{';
-     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
+ =head1 Helper element: page_format_state
-     $insert .= '}';
-     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
+ See lonhelper.pm documentation for discussion of the helper framework.
-     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
-     return $result,$number_of_columns;
+ Apache::lonprintout::page_format_state is an element that gives the
+ user an opportunity to select the page layout they wish to print
+ with: Number of columns, portrait/landscape, and paper size. If you
+ want to change the paper size choices, change the @paperSize array
+ contents in this package.
+ page_format_state is always directly invoked in lonprintout.pm, so there
+ is no tag interface. You actually pass parameters to the constructor.
+ =over 4
+ =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
+ =back
+ =cut
+ use Apache::lonhelper;
+ no strict;
+ @ISA = ("Apache::lonhelper::element");
+ use strict;
+ my $maxColumns = 2;
+ my @paperSize = ("Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]",
+                  "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
+                  "A2 [420x594 mm]", "A3 [297x420 mm]", "A4 [210x297 mm]",
+                  "A5 [148x210 mm]", "A6 [105x148 mm]" );
+ # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
+ #                   Paper type
+ sub new {
+     my $self = Apache::lonhelper::element->new();
+     shift;
+     $self->{'variable'} = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     $helper->declareVar($self->{'variable'});
+     bless($self);
+     return $self;
  }
+ sub render {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $result = '';
+     my $var = $self->{'variable'};
- sub details_for_menu {
+     $result .= <<STATEHTML;
-     my $name_of_resourse = $hash{'title_'.$hash{'ids_'.$ENV{'form.postdata'}}};
+ <hr width="33%" />
-     my $symbolic = &Apache::lonnet::symbread($ENV{'form.postdata'});
+ <table cellpadding="3">
-     my ($map,$id,$resource)=split(/___/,$symbolic);
+   <tr>
-     my $name_of_sequence = $hash{'title_'.$hash{'ids_/res/'.$map}};
+     <td align="center"><b>Page layout</b></td>
-     if ($name_of_sequence =~ /^\s*$/) {
+     <td align="center"><b>Number of columns</b></td>
-       $map =~ m|([^/]+)$|;
+     <td align="center"><b>Paper type</b></td>
-       $name_of_sequence = $1;
+   </tr>
+   <tr>
+     <td>
+       <input type="radio" name="${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";
+         }
      }
-     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);
+     $result .= "</select></td><td>\n";
+     $result .= "<select name='${var}.paper'>\n";
+     $i = 0;
+     foreach (@paperSize) {
+         if ($i == 0) {
+             $result .= "<option selected value='$i'>" . $paperSize[$i] . "</option>\n";
+         } else {
+             $result .= "<option value='$i'>" . $paperSize[$i] . "</option>\n";
+         }
+         $i++;
+     }
+     $result .= "</select></td></tr></table>";
+     return $result;
  }
+ sub postprocess {
+     my $self = shift;
- sub latex_corrections {
+     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 ($number_of_columns,$result) = @_;
+;
-     $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
+ package Apache::lonprintout::page_size_state;
-     $result =~ s/\$number_of_columns/$number_of_columns/g;
-     $result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
+ =pod
-     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
-     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
+ =head1 Helper element: page_size_state
- #-- LaTeX corrections
-     my $first_comment = index($result,'<!--',0);
+ See lonhelper.pm documentation for discussion of the helper framework.
-     while ($first_comment != -1) {
- 	my $end_comment = index($result,'-->',$first_comment);
+ Apache::lonprintout::page_size_state is an element that gives the
- 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
+ user the opportunity to further refine the page settings if they
- 	$first_comment = index($result,'<!--',$first_comment);
+ select a single-column page.
-     }
-     $result =~ s/^\s+$//gm; #remove empty lines
+ page_size_state is always directly invoked in lonprintout.pm, so there
-     $result =~ s/(\s)+/$1/g; #removes more than one empty space
+ is no tag interface. You actually pass parameters to the constructor.
-     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
-     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
+ =over 4
-     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
- 	$result =~ s/\\\\\s+\[/ \[/g;
+ =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
-     $result =~ s/\b__+\b/\\makebox\[1 cm\]\[b\]{\\hrulefill}/g;
-     #conversion of html characters to LaTeX equivalents
+ =back
-     if ($result =~ m/&(\w+|#\d+);/) {
- 	$result = &character_chart($result);
+ =cut
+ use Apache::lonhelper;
+ no strict;
+ @ISA = ("Apache::lonhelper::element");
+ use strict;
+ sub new {
+     my $self = Apache::lonhelper::element->new();
+     shift; # disturbs me (probably prevents subclassing) but works (drops
+            # package descriptor)... - Jeremy
+     $self->{'variable'} = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     $helper->declareVar($self->{'variable'});
+     # The variable name of the format element, so we can look into
+     # $helper->{VARS} to figure out whether the columns are one or two
+     $self->{'formatvar'} = shift;
+     # The state to transition to after selection, or after discovering
+     # the cols are not set to 1
+     $self->{NEXTSTATE} = shift;
+     bless($self);
+     return $self;
+ }
+ sub render {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $result = '';
+     my $var = $self->{'variable'};
+     if (defined $self->{ERROR_MSG}) {
+         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
      }
-     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
-     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
+     $result .= <<ELEMENTHTML;
+ <p>How should the column be formatted?</p>
+ <table cellpadding='3'>
+   <tr>
+     <td align='right'><b>Width</b>:</td>
+     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
+     <td align='left'>
+       <select name='$var.widthunit'>
+         <option>cm</option><option>in</option>
+       </select>
+     </td>
+   </tr>
+   <tr>
+     <td align='right'><b>Height</b>:</td>
+     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
+     <td align='left'>
+       <select name='$var.heightunit'>
+         <option>cm</option><option>in</option>
+       </select>
+     </td>
+   </tr>
+   <tr>
+     <td align='right'><b>Left margin</b>:</td>
+     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
+     <td align='left'>
+       <select name='$var.lmarginunit'>
+         <option>cm</option><option>in</option>
+       </select>
+     </td>
+   </tr>
+ </table>
+ <p>Hint: Some instructors like to leave scratch space for the student by
+ making the width much smaller then the width of the page.</p>
+ ELEMENTHTML
      return $result;
  }
+ # If the user didn't select 1 column, skip this state.
+ sub preprocess {
+     my $self = shift;
+     my $helper = Apache::lonhelper::getHelper();
+     my $format = $helper->{VARS}->{$self->{'formatvar'}};
+     if (substr($format, 2, 1) ne '1') {
+         $helper->changeState($self->{NEXTSTATE});
+     }
+     return 1;
+ }
- sub handler {
+ sub postprocess {
+     my $self = shift;
-     my $r = 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 $loaderror=&Apache::lonnet::overloaderror($r);
+     my $error = '';
-     if ($loaderror) { return $loaderror; }
-     $loaderror=
-        &Apache::lonnet::overloaderror($r,
-          $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
-     if ($loaderror) { return $loaderror; }
-     $r->content_type('text/html');
+     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
-     $r->send_http_header;
+     # by an optional period, followed by digits, ending the string
-     $r->print(&Apache::loncommon::bodytag("Printing"));
-     if ($ENV{'request.course.id'}) {
+     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
- 	my $fn=$ENV{'request.course.fn'};
+         $error .= "Invalid width; please type only a number.<br />\n";
- 	tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640);
+     }
+     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
+         $error .= "Invalid height; please type only a number.<br />\n";
+     }
+     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
+         $error .= "Invalid left margin; please type only a number.<br />\n";
      }
- #-- start form
+     if (!$error) {
-     &headerform($r);
+         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
- #-- menu for output
+         return 1;
-     unless  ($ENV{'form.phase'}) {
+     } else {
- 	&menu_for_output($r);
+         $self->{ERROR_MSG} = $error;
-     }
+         return 0;
- #-- additional menu for class printing
-      if ($ENV{'form.phase'} eq 'two') {
- 	 if($ENV{'form.choice'} eq 'Standard LaTeX output for whole primary sequence') {
- 	     &sequence_content_menu(0,$r);
- 	 } elsif($ENV{'form.choice'} eq 'Standard LaTeX output for the primary sequence') {
- 	     &sequence_content_menu(1,$r);
- 	 } elsif($ENV{'form.choice'} eq 'All class print') {
- 	     &additional_class_menu($r);
- 	 } elsif($ENV{'form.choice'} eq 'Subdirectory print') {
- 	     &problem_choice_menu($r);
- 	 } else {
- 	     $ENV{'form.phase'} = 'three';
- 	 }
-      }
- #-- additional menu for page layout (one column case)
-     if ($ENV{'form.phase'} eq 'three') {
- 	if($ENV{'form.numberofcolumns'} == 1) {
- 	    &additional_print_menu($r);
- 	} else {
- 	    $ENV{'form.phase'} = 'four';
- 	}
      }
- #-- core part
+ }
-     if ($ENV{'form.phase'} eq 'four') {
- 	&output_data($r);
-     }
-     untie %hash;
-     return OK;
- }
-;
  __END__

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	Added in v.1.232