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# The LearningOnline Network # Printout # # $Id: lonprintout.pm,v 1.431 2006/03/15 22:11:04 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # # package Apache::lonprintout; use strict; use Apache::Constants qw(:common :http); use Apache::lonxml; use Apache::lonnet; use Apache::loncommon; use Apache::inputtags; use Apache::grades; use Apache::edit; use Apache::File(); use Apache::lonnavmaps; use Apache::lonratedt; use POSIX qw(strftime); use Apache::lonlocal; use Carp; my %perm; # # Convert a numeric code to letters # sub num_to_letters { my ($num) = @_; my @nums= split('',$num); my @num_to_let=('A'..'Z'); my $word; foreach my $digit (@nums) { $word.=$num_to_let[$digit]; } return $word; } # Convert a letter code to numeric. # sub letters_to_num { my ($letters) = @_; my @letters = split('', uc($letters)); my %substitution; my $digit = 0; foreach my $letter ('A'..'J') { $substitution{$letter} = $digit; $digit++; } # The substitution is done as below to preserve leading # zeroes which are needed to keep the code size exact # my $result =""; foreach my $letter (@letters) { $result.=$substitution{$letter}; } return $result; } # Determine if a code is a valid numeric code. Valid # numeric codes must be comprised entirely of digits and # have a correct number of digits. # # Parameters: # value - proposed code value. # num_digits - Number of digits required. # sub is_valid_numeric_code { my ($value, $num_digits) = @_; # Remove leading/trailing whitespace; $value =~ s/^\s*//g; $value =~ s/\s*$//g; # All digits? if ($value !~ /^[0-9]+$/) { return "Numeric code $value has invalid characters - must only be digits"; } if (length($value) != $num_digits) { return "Numeric code $value incorrect number of digits (correct = $num_digits)"; } return undef; } # Determines if a code is a valid alhpa code. Alpha codes # are ciphers that map [A-J,a-j] -> 0..9 0..9. # They also have a correct digit count. # Parameters: # value - Proposed code value. # num_letters - correct number of letters. # Note: # leading and trailing whitespace are ignored. # sub is_valid_alpha_code { my ($value, $num_letters) = @_; # strip leading and trailing spaces. $value =~ s/^\s*//g; $value =~ s/\s*$//g; # All alphas in the right range? if ($value !~ /^[A-J,a-j]+$/) { return "Invalid letter code $value must only contain A-J"; } if (length($value) != $num_letters) { return "Letter code $value has incorrect number of letters (correct = $num_letters)"; } return undef; } # Determine if a code entered by the user in a helper is valid. # valid depends on the code type and the type of code selected. # The type of code selected can either be numeric or # Alphabetic. If alphabetic, the code, in fact is a simple # substitution cipher for the actual numeric code: 0->A, 1->B ... # We'll be nice and be case insensitive for alpha codes. # Parameters: # code_value - the value of the code the user typed in. # code_option - The code type selected from the set in the scantron format # table. # Returns: # undef - The code is valid. # other - An error message indicating what's wrong. # sub is_code_valid { my ($code_value, $code_option) = @_; my ($code_type, $code_length) = ('letter', 6); # defaults. open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); foreach my $line (<FG>) { my ($name, $type, $length) = (split(/:/, $line))[0,2,4]; if($name eq $code_option) { $code_length = $length; if($type eq 'number') { $code_type = 'number'; } } } my $valid; if ($code_type eq 'number') { return &is_valid_numeric_code($code_value, $code_length); } else { return &is_valid_alpha_code($code_value, $code_length); } } # Compare two students by name. The students are in the form # returned by the helper: # user:domain:section:last, first:status # This is a helper function for the perl sort built-in therefore: # Implicit Inputs: # $a - The first element to compare (global) # $b - The second element to compare (global) # Returns: # -1 - $a < $b # 0 - $a == $b # +1 - $a > $b # Note that the initial comparison is done on the last names with the # first names only used to break the tie. # # sub compare_names { # First split the names up into the primary fields. my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a); my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b); # Now split the last name and first name of each n: # my ($l1,$f1) = split(/,/, $n1); my ($l2,$f2) = split(/,/, $n2); # We don't bother to remove the leading/trailing whitespace from the # firstname, unless the last names compare identical. if($l1 lt $l2) { return -1; } if($l1 gt $l2) { return 1; } # Break the tie on the first name, but there are leading (possibly trailing # whitespaces to get rid of first # $f1 =~ s/^\s+//; # Remove leading... $f1 =~ s/\s+$//; # Trailing spaces from first 1... $f2 =~ s/^\s+//; $f2 =~ s/\s+$//; # And the same for first 2... if($f1 lt $f2) { return -1; } if($f1 gt $f2) { return 1; } # Must be the same name. return 0; } sub latex_header_footer_remove { my $text = shift; $text =~ s/\\end{document}//; $text =~ s/\\documentclass([^&]*)\\begin{document}//; return $text; } # # If necessary, encapsulate text inside # a minipage env. # necessity is determined by the problem_split param. # sub encapsulate_minipage { my ($text) = @_; if (!($env{'form.problem.split'} =~ /yes/i)) { $text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}'; } return $text; } # # The NUMBER_TO_PRINT and SPLIT_PDFS # variables interact, this sub looks at these two parameters # and comes up with a final value for NUMBER_TO_PRINT which can be: # all - if SPLIT_PDFS eq 'all'. # 1 - if SPLIT_PDFS eq 'oneper' # section - if SPLIT_PDFS eq 'sections' # <unchanged> - if SPLIT_PDFS eq 'usenumber' # sub adjust_number_to_print { my $helper = shift; my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'}; if ($split_pdf eq 'all') { $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all'; } elsif ($split_pdf eq 'oneper') { $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1; } elsif ($split_pdf eq 'sections') { $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section'; } elsif ($split_pdf eq 'usenumber') { # Unmodified. } else { # Error!!!! croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print"; } } sub character_chart { my $result = shift; $result =~ s/&\#0?0?(7|9);//g; $result =~ s/&\#0?(10|13);//g; $result =~ s/&\#0?32;/ /g; $result =~ s/&\#0?33;/!/g; $result =~ s/&(\#0?34|quot);/\"/g; $result =~ s/&\#0?35;/\\\#/g; $result =~ s/&\#0?36;/\\\$/g; $result =~ s/&\#0?37;/\\%/g; $result =~ s/&(\#0?38|amp);/\\&/g; $result =~ s/&\#(0?39|146);/\'/g; $result =~ s/&\#0?40;/(/g; $result =~ s/&\#0?41;/)/g; $result =~ s/&\#0?42;/\*/g; $result =~ s/&\#0?43;/\+/g; $result =~ s/&\#(0?44|130);/,/g; $result =~ s/&\#0?45;/-/g; $result =~ s/&\#0?46;/\./g; $result =~ s/&\#0?47;/\//g; $result =~ s/&\#0?48;/0/g; $result =~ s/&\#0?49;/1/g; $result =~ s/&\#0?50;/2/g; $result =~ s/&\#0?51;/3/g; $result =~ s/&\#0?52;/4/g; $result =~ s/&\#0?53;/5/g; $result =~ s/&\#0?54;/6/g; $result =~ s/&\#0?55;/7/g; $result =~ s/&\#0?56;/8/g; $result =~ s/&\#0?57;/9/g; $result =~ s/&\#0?58;/:/g; $result =~ s/&\#0?59;/;/g; $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g; $result =~ s/&\#0?61;/\\ensuremath\{=\}/g; $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g; $result =~ s/&\#0?63;/\?/g; $result =~ s/&\#0?65;/A/g; $result =~ s/&\#0?66;/B/g; $result =~ s/&\#0?67;/C/g; $result =~ s/&\#0?68;/D/g; $result =~ s/&\#0?69;/E/g; $result =~ s/&\#0?70;/F/g; $result =~ s/&\#0?71;/G/g; $result =~ s/&\#0?72;/H/g; $result =~ s/&\#0?73;/I/g; $result =~ s/&\#0?74;/J/g; $result =~ s/&\#0?75;/K/g; $result =~ s/&\#0?76;/L/g; $result =~ s/&\#0?77;/M/g; $result =~ s/&\#0?78;/N/g; $result =~ s/&\#0?79;/O/g; $result =~ s/&\#0?80;/P/g; $result =~ s/&\#0?81;/Q/g; $result =~ s/&\#0?82;/R/g; $result =~ s/&\#0?83;/S/g; $result =~ s/&\#0?84;/T/g; $result =~ s/&\#0?85;/U/g; $result =~ s/&\#0?86;/V/g; $result =~ s/&\#0?87;/W/g; $result =~ s/&\#0?88;/X/g; $result =~ s/&\#0?89;/Y/g; $result =~ s/&\#0?90;/Z/g; $result =~ s/&\#0?91;/[/g; $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g; $result =~ s/&\#0?93;/]/g; $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g; $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g; $result =~ s/&\#(0?96|145);/\`/g; $result =~ s/&\#0?97;/a/g; $result =~ s/&\#0?98;/b/g; $result =~ s/&\#0?99;/c/g; $result =~ s/&\#100;/d/g; $result =~ s/&\#101;/e/g; $result =~ s/&\#102;/f/g; $result =~ s/&\#103;/g/g; $result =~ s/&\#104;/h/g; $result =~ s/&\#105;/i/g; $result =~ s/&\#106;/j/g; $result =~ s/&\#107;/k/g; $result =~ s/&\#108;/l/g; $result =~ s/&\#109;/m/g; $result =~ s/&\#110;/n/g; $result =~ s/&\#111;/o/g; $result =~ s/&\#112;/p/g; $result =~ s/&\#113;/q/g; $result =~ s/&\#114;/r/g; $result =~ s/&\#115;/s/g; $result =~ s/&\#116;/t/g; $result =~ s/&\#117;/u/g; $result =~ s/&\#118;/v/g; $result =~ s/&\#119;/w/g; $result =~ s/&\#120;/x/g; $result =~ s/&\#121;/y/g; $result =~ s/&\#122;/z/g; $result =~ s/&\#123;/\\{/g; $result =~ s/&\#124;/\|/g; $result =~ s/&\#125;/\\}/g; $result =~ s/&\#126;/\~/g; $result =~ s/&\#131;/\\textflorin /g; $result =~ s/&\#132;/\"/g; $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g; $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g; $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g; $result =~ s/&\#137;/\\textperthousand /g; $result =~ s/&\#140;/{\\OE}/g; $result =~ s/&\#147;/\`\`/g; $result =~ s/&\#148;/\'\'/g; $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g; $result =~ s/&\#150;/--/g; $result =~ s/&\#151;/---/g; $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g; $result =~ s/&\#153;/\\texttrademark /g; $result =~ s/&\#156;/\\oe/g; $result =~ s/&\#159;/\\\"Y/g; $result =~ s/&(\#160|nbsp);/~/g; $result =~ s/&(\#161|iexcl);/!\`/g; $result =~ s/&(\#162|cent);/\\textcent /g; $result =~ s/&(\#163|pound);/\\pounds /g; $result =~ s/&(\#164|curren);/\\textcurrency /g; $result =~ s/&(\#165|yen);/\\textyen /g; $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g; $result =~ s/&(\#167|sect);/\\textsection /g; $result =~ s/&(\#168|uml);/\\texthighdieresis /g; $result =~ s/&(\#169|copy);/\\copyright /g; $result =~ s/&(\#170|ordf);/\\textordfeminine /g; $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g; $result =~ s/&(\#173|shy);/ - /g; $result =~ s/&(\#174|reg);/\\textregistered /g; $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g; $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g; $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g; $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g; $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g; $result =~ s/&(\#180|acute);/\\textacute /g; $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g; $result =~ s/&(\#182|para);/\\P/g; $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g; $result =~ s/&(\#184|cedil);/\\c{\\strut}/g; $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g; $result =~ s/&(\#186|ordm);/\\textordmasculine /g; $result =~ s/&(\#188|frac14);/\\textonequarter /g; $result =~ s/&(\#189|frac12);/\\textonehalf /g; $result =~ s/&(\#190|frac34);/\\textthreequarters /g; $result =~ s/&(\#191|iquest);/?\`/g; $result =~ s/&(\#192|Agrave);/\\\`{A}/g; $result =~ s/&(\#193|Aacute);/\\\'{A}/g; $result =~ s/&(\#194|Acirc);/\\^{A}/g; $result =~ s/&(\#195|Atilde);/\\~{A}/g; $result =~ s/&(\#196|Auml);/\\\"{A}/g; $result =~ s/&(\#197|Aring);/{\\AA}/g; $result =~ s/&(\#198|AElig);/{\\AE}/g; $result =~ s/&(\#199|Ccedil);/\\c{c}/g; $result =~ s/&(\#200|Egrave);/\\\`{E}/g; $result =~ s/&(\#201|Eacute);/\\\'{E}/g; $result =~ s/&(\#202|Ecirc);/\\^{E}/g; $result =~ s/&(\#203|Euml);/\\\"{E}/g; $result =~ s/&(\#204|Igrave);/\\\`{I}/g; $result =~ s/&(\#205|Iacute);/\\\'{I}/g; $result =~ s/&(\#206|Icirc);/\\^{I}/g; $result =~ s/&(\#207|Iuml);/\\\"{I}/g; $result =~ s/&(\#209|Ntilde);/\\~{N}/g; $result =~ s/&(\#210|Ograve);/\\\`{O}/g; $result =~ s/&(\#211|Oacute);/\\\'{O}/g; $result =~ s/&(\#212|Ocirc);/\\^{O}/g; $result =~ s/&(\#213|Otilde);/\\~{O}/g; $result =~ s/&(\#214|Ouml);/\\\"{O}/g; $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g; $result =~ s/&(\#216|Oslash);/{\\O}/g; $result =~ s/&(\#217|Ugrave);/\\\`{U}/g; $result =~ s/&(\#218|Uacute);/\\\'{U}/g; $result =~ s/&(\#219|Ucirc);/\\^{U}/g; $result =~ s/&(\#220|Uuml);/\\\"{U}/g; $result =~ s/&(\#221|Yacute);/\\\'{Y}/g; $result =~ s/&(\#223|szlig);/{\\ss}/g; $result =~ s/&(\#224|agrave);/\\\`{a}/g; $result =~ s/&(\#225|aacute);/\\\'{a}/g; $result =~ s/&(\#226|acirc);/\\^{a}/g; $result =~ s/&(\#227|atilde);/\\~{a}/g; $result =~ s/&(\#228|auml);/\\\"{a}/g; $result =~ s/&(\#229|aring);/{\\aa}/g; $result =~ s/&(\#230|aelig);/{\\ae}/g; $result =~ s/&(\#231|ccedil);/\\c{c}/g; $result =~ s/&(\#232|egrave);/\\\`{e}/g; $result =~ s/&(\#233|eacute);/\\\'{e}/g; $result =~ s/&(\#234|ecirc);/\\^{e}/g; $result =~ s/&(\#235|euml);/\\\"{e}/g; $result =~ s/&(\#236|igrave);/\\\`{i}/g; $result =~ s/&(\#237|iacute);/\\\'{i}/g; $result =~ s/&(\#238|icirc);/\\^{i}/g; $result =~ s/&(\#239|iuml);/\\\"{i}/g; $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g; $result =~ s/&(\#241|ntilde);/\\~{n}/g; $result =~ s/&(\#242|ograve);/\\\`{o}/g; $result =~ s/&(\#243|oacute);/\\\'{o}/g; $result =~ s/&(\#244|ocirc);/\\^{o}/g; $result =~ s/&(\#245|otilde);/\\~{o}/g; $result =~ s/&(\#246|ouml);/\\\"{o}/g; $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g; $result =~ s/&(\#248|oslash);/{\\o}/g; $result =~ s/&(\#249|ugrave);/\\\`{u}/g; $result =~ s/&(\#250|uacute);/\\\'{u}/g; $result =~ s/&(\#251|ucirc);/\\^{u}/g; $result =~ s/&(\#252|uuml);/\\\"{u}/g; $result =~ s/&(\#253|yacute);/\\\'{y}/g; $result =~ s/&(\#255|yuml);/\\\"{y}/g; $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g; $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g; #Greek Alphabet $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g; $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g; $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g; $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g; $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g; $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g; $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g; $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g; $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g; $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g; $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g; $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g; $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g; $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g; $result =~ s/&(omicron|\#959);/o/g; $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g; $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g; $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g; $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g; $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g; $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g; $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g; $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g; $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g; $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g; $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g; $result =~ s/&(Alpha|\#913);/A/g; $result =~ s/&(Beta|\#914);/B/g; $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g; $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g; $result =~ s/&(Epsilon|\#917);/E/g; $result =~ s/&(Zeta|\#918);/Z/g; $result =~ s/&(Eta|\#919);/H/g; $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g; $result =~ s/&(Iota|\#921);/I/g; $result =~ s/&(Kappa|\#922);/K/g; $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g; $result =~ s/&(Mu|\#924);/M/g; $result =~ s/&(Nu|\#925);/N/g; $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g; $result =~ s/&(Omicron|\#927);/O/g; $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g; $result =~ s/&(Rho|\#929);/P/g; $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g; $result =~ s/&(Tau|\#932);/T/g; $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g; $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g; $result =~ s/&(Chi|\#935);/X/g; $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g; $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g; #Arrows (extended HTML 4.01) $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g; $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g; $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g; $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g; $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g; $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g; $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g; $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g; $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g; $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g; #Mathematical Operators (extended HTML 4.01) $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g; $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g; $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g; $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g; $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g; $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g; $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g; $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g; $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g; $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g; $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g; $result =~ s/–/\\ensuremath\{-\}/g; $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g; $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g; $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g; $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g; $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g; $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g; $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g; $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g; $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g; $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g; $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g; $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g; $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g; $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g; $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g; $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g; $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g; $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g; $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g; $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g; $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g; $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g; $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g; $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g; $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g; $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g; #Geometric Shapes (extended HTML 4.01) $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g; #Miscellaneous Symbols (extended HTML 4.01) $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g; $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g; $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g; $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g; return $result; } #width, height, oddsidemargin, evensidemargin, topmargin my %page_formats= ('letter' => { 'book' => { '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'], '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'] }, 'album' => { '1' => [ '8.8 in', '6.8 in','-40 pt in', '-60 pt','1 cm'], '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in'] }, }, 'legal' => { 'book' => { '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'], '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in'] }, 'album' => { '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'], '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in'] }, }, 'tabloid' => { 'book' => { '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'], '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in'] }, 'album' => { '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'], '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in'] }, }, 'executive' => { 'book' => { '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'], '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in'] }, 'album' => { '1' => [], '2' => [] }, }, 'a2' => { 'book' => { '1' => [], '2' => [] }, 'album' => { '1' => [], '2' => [] }, }, 'a3' => { 'book' => { '1' => [], '2' => [] }, 'album' => { '1' => [], '2' => [] }, }, 'a4' => { 'book' => { '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'], '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in'] }, 'album' => { '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'], '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in'] }, }, 'a5' => { 'book' => { '1' => [], '2' => [] }, 'album' => { '1' => [], '2' => [] }, }, 'a6' => { 'book' => { '1' => [], '2' => [] }, 'album' => { '1' => [], '2' => [] }, }, ); sub page_format { # #Supported paper format: "Letter [8 1/2x11 in]", "Legal [8 1/2x14 in]", # "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]", # "A2 [420x594 mm]", "A3 [297x420 mm]", # "A4 [210x297 mm]", "A5 [148x210 mm]", # "A6 [105x148 mm]" # my ($papersize,$layout,$numberofcolumns) = @_; return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}}; } sub get_name { my ($uname,$udom)=@_; if (!defined($uname)) { $uname=$env{'user.name'}; } if (!defined($udom)) { $udom=$env{'user.domain'}; } my $plainname=&Apache::loncommon::plainname($uname,$udom); if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; } $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header'); return $plainname; } 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'); } return $courseidinfo; } sub page_format_transformation { my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin); if ($selectionmade eq '4') { $assignment='Problems from the Whole Course'; } else { $assignment=&Apache::lonxml::latex_special_symbols($assignment,'header'); } ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin); my $name = &get_name(); my $courseidinfo = &get_course(); if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } my $topmargintoinsert = ''; if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} my $fancypagestatement=''; if ($numberofcolumns eq '2') { $fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; } else { $fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}"; } if ($layout eq 'album') { $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /; } elsif ($layout eq 'book') { if ($choice ne 'All class print') { $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/; } else { $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1} \\vskip 5 mm\n /; } if ($papersize eq 'a4') { $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/; } } if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;} if ($indexlist eq 'yes') { $text=~s/(\\begin{document})/\\makeindex $1/; $text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/; } return $text; } sub page_cleanup { my $result = shift; $result =~ m/\\end{document}(\d*)$/; my $number_of_columns = $1; my $insert = '{'; for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; } $insert .= '}'; $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g; $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g; return $result,$number_of_columns; } sub details_for_menu { my ($helper)=@_; my $postdata=$env{'form.postdata'}; if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } my $name_of_resource = &Apache::lonnet::gettitle($postdata); my $symbolic = &Apache::lonnet::symbread($postdata); my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); $map=&Apache::lonnet::clutter($map); my $name_of_sequence = &Apache::lonnet::gettitle($map); if ($name_of_sequence =~ /^\s*$/) { $map =~ m|([^/]+)$|; $name_of_sequence = $1; } my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'}); if ($name_of_map =~ /^\s*$/) { $env{'request.course.uri'} =~ m|([^/]+)$|; $name_of_map = $1; } return ($name_of_resource,$name_of_sequence,$name_of_map); } sub latex_corrections { my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; $result =~ s/\$number_of_columns/$number_of_columns/g; if ($selectionmade eq '1' || $answer_mode eq 'only') { $result =~ s/(\\end{document})/\\strut\\vskip 0 mm\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; } else { $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; } $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 #removes more than one empty space $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge; $result =~ s/\\\\\s*\\vskip/\\vskip/gm; $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g; $result =~ s/{\\par }\s*\\\\/\\\\/gm; $result =~ s/\\\\\s+\[/ \[/g; #conversion of html characters to LaTeX equivalents if ($result =~ m/&(\w+|#\d+);/) { $result = &character_chart($result); } $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g; $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g; return $result; } sub index_table { my $currentURL = shift; my $insex_string=''; $currentURL=~s/\.([^\/+])$/\.$1\.meta/; $insex_string=&Apache::lonnet::metadata($currentURL,'keywords'); return $insex_string; } sub IndexCreation { my ($texversion,$currentURL)=@_; my @key_words=split(/,/,&index_table($currentURL)); my $chunk=''; my $st=index $texversion,'\addcontentsline{toc}{subsection}{'; if ($st>0) { for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);} $chunk=substr($texversion,0,$st+1); substr($texversion,0,$st+1)=' '; } foreach my $key_word (@key_words) { if ($key_word=~/\S+/) { $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i; } } if ($st>0) {substr($texversion,0,1)=$chunk;} return $texversion; } sub print_latex_header { my $mode=shift; my $output='\documentclass[letterpaper,twoside]{article}'; if (($mode eq 'batchmode') || (!$perm{'pav'})) { $output.='\batchmode'; } $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n". '\usepackage{multirow}'."\n". '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n". '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n". '\usepackage{wrapfig}'. '\usepackage{picins}\usepackage{calc}'."\n". '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n". '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n". '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n". '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n". '\setlength{\abovedisplayshortskip}{-0.04in}'."\n". '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n". '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n". '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n". '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n". '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n". '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n". '\setlength{\abovedisplayshortskip}{-0.04in}'."\n". '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n"; return $output; } sub path_to_problem { my ($urlp,$colwidth)=@_; $urlp=&Apache::lonnet::clutter($urlp); my $newurlp = ''; $colwidth=~s/\s*mm\s*$//; #characters average about 2 mm in width if (length($urlp)*2 > $colwidth) { my @elements = split('/',$urlp); my $curlength=0; foreach my $element (@elements) { if ($element eq '') { next; } if ($curlength+(length($element)*2) > $colwidth) { $newurlp .= '|\vskip -1 mm \verb|'; $curlength=length($element)*2; } else { $curlength+=length($element)*2; } $newurlp.='/'.$element; } } else { $newurlp=$urlp; } return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}'; } sub recalcto_mm { my $textwidth=shift; my $LaTeXwidth; if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) { $LaTeXwidth = $1*10; } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) { $LaTeXwidth = $1; } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) { $LaTeXwidth = $1*25.4; } $LaTeXwidth.=' mm'; return $LaTeXwidth; } sub get_textwidth { my ($helper,$LaTeXwidth)=@_; my $textwidth=$LaTeXwidth; if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ && $helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) { $textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '. $helper->{'VARS'}->{'pagesize.widthunit'}); } return $textwidth; } sub unsupported { my ($currentURL,$mode,$symb)=@_; if ($mode ne '') {$mode='\\'.$mode} my $result.= &print_latex_header($mode); if ($currentURL=~m|^(/adm/wrapper/)?ext/|) { $currentURL=~s|^(/adm/wrapper/)?ext/|http://|; my $title=&Apache::lonnet::gettitle($symb); $title = &Apache::lonxml::latex_special_symbols($title); $result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' '; } else { $result.=$currentURL; } $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}'; return $result; } # # List of recently generated print files # sub recently_generated { my $r=shift; my $prtspool=$r->dir_config('lonPrtDir'); my $zip_result; my $pdf_result; opendir(DIR,$prtspool); my @files = grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR)); closedir(DIR); @files = sort { my ($actime) = (stat($prtspool.'/'.$a))[10]; my ($bctime) = (stat($prtspool.'/'.$b))[10]; return $bctime <=> $actime; } (@files); foreach my $filename (@files) { my ($ext) = ($filename =~ m/(pdf|zip)$/); my ($cdev,$cino,$cmode,$cnlink, $cuid,$cgid,$crdev,$csize, $catime,$cmtime,$cctime, $cblksize,$cblocks)=stat($prtspool.'/'.$filename); my $result="<a href='/prtspool/$filename'>". &mt('Generated [_1] ([_2] bytes)', &Apache::lonlocal::locallocaltime($cctime),$csize). '</a><br />'; if ($ext eq 'pdf') { $pdf_result .= $result; } if ($ext eq 'zip') { $zip_result .= $result; } } if ($zip_result) { $r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n" .$zip_result); } if ($pdf_result) { $r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n" .$pdf_result); } } # # Retrieve the hash of page breaks. # # Inputs: # helper - reference to helper object. # Outputs # A reference to a page break hash. # # #use Data::Dumper; #sub dump_helper_vars { # my ($helper) = @_; # my $helpervars = Dumper($helper->{'VARS'}); # &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars"); #} sub get_page_breaks { my ($helper) = @_; my %page_breaks; foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) { $page_breaks{$break} = 1; } return %page_breaks; } sub output_data { my ($r,$helper,$rparmhash) = @_; my %parmhash = %$rparmhash; my $resources_printed = ''; my $html=&Apache::lonxml::xmlbegin(); my $headtag = &Apache::loncommon::headtag('Preparing Printout'); my $end_headtag = &Apache::loncommon::endheadtag(); my $bodytag = &Apache::loncommon::bodytag('Preparing Printout'); $r->print(<<ENDPART); $html $headtag <script type="text/javascript" language="Javascript"> var editbrowser; function openbrowser(formname,elementname,only,omit) { var url = '/res/?'; if (editbrowser == null) { url += 'launch=1&'; } url += 'catalogmode=interactive&'; url += 'mode=parmset&'; url += 'form=' + formname + '&'; if (only != null) { url += 'only=' + only + '&'; } if (omit != null) { url += 'omit=' + omit + '&'; } url += 'element=' + elementname + ''; var title = 'Browser'; var options = 'scrollbars=1,resizable=1,menubar=0'; options += ',width=700,height=600'; editbrowser = open(url,title,options,'1'); editbrowser.focus(); } </script> $end_headtag $bodytag <p> Please stand by while processing your print request, this may take some time ... </p> ENDPART # fetch the pagebreaks and store them in the course environment # The page breaks will be pulled into the hash %page_breaks which is # indexed by symb and contains 1's for each break. $env{'form.pagebreaks'} = $helper->{'VARS'}->{'FINISHPAGE'}; $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; &Apache::loncommon::store_course_settings('print', {'pagebreaks' => 'scalar', 'lastprinttype' => 'scalar'}); my %page_breaks = &get_page_breaks($helper); my $format_from_helper = $helper->{'VARS'}->{'FORMAT'}; my ($result,$selectionmade) = ('',''); my $number_of_columns = 1; #used only for pages to determine the width of the cell my @temporary_array=split /\|/,$format_from_helper; my ($laystyle,$numberofcolumns,$papersize)=@temporary_array; if ($laystyle eq 'L') { $laystyle='album'; } else { $laystyle='book'; } my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns); my $assignment = $env{'form.assignment'}; my $LaTeXwidth=&recalcto_mm($textwidth); my @print_array=(); my @student_names=(); # Common settings for the %form has: # In some cases these settings get overriddent by specific cases, but the # settings are common enough to make it worthwhile factoring them out # here. # my %form; $form{'grade_target'} = 'tex'; $form{'textwidth'} = &get_textwidth($helper, $LaTeXwidth); # If form.showallfoils is set, then request all foils be shown: # privilege will be enforced both by not allowing the # check box selecting this option to be presnt unless it's ok, # and by lonresponse's priv. check. # The if is here because lonresponse.pm only cares that # showallfoils is defined, not what the value is. if ($helper->{'VARS'}->{'showallfoils'} eq "1") { $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'}; } if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') { #-- single document - problem, page, html, xml, ... my ($currentURL,$cleanURL); if ($helper->{'VARS'}->{'construction'} ne '1') { #prints published resource $currentURL=$helper->{'VARS'}->{'postdata'}; $cleanURL=&Apache::lonenc::check_decrypt($currentURL); } else { #prints resource from the construction space $currentURL='/'.$helper->{'VARS'}->{'filename'}; if ($currentURL=~/([^?]+)/) {$currentURL=$1;} $cleanURL=$currentURL; } $selectionmade = 1; if ($cleanURL!~m|^/adm/| && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { my $rndseed=time; my $texversion=''; if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { my %moreenv; $moreenv{'request.filename'}=$cleanURL; if ($helper->{'VARS'}->{'style_file'}=~/\w/) { $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'}; my $dom = $env{'user.domain'}; my $user = $env{'user.name'}; my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user); } if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';} $form{'problem_split'}=$parmhash{'problem_stream_switch'}; $form{'suppress_tries'}=$parmhash{'suppress_tries'}; $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';} if ($helper->{'VARS'}->{'curseed'}) { $rndseed=$helper->{'VARS'}->{'curseed'}; } $form{'rndseed'}=$rndseed; &Apache::lonnet::appenv(%moreenv); &Apache::lonxml::clear_problem_counter(); $resources_printed .= $currentURL.':'; $texversion.=&Apache::lonnet::ssi($currentURL,%form); &Apache::lonxml::clear_problem_counter(); &Apache::lonnet::delenv('request.filename'); } # current document with answers.. no need to encap in minipage # since there's only one answer. if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { $form{'problem_split'}=$parmhash{'problem_stream_switch'}; $form{'grade_target'}='answer'; $form{'answer_output_mode'}='tex'; $form{'rndseed'}=$rndseed; if ($helper->{'VARS'}->{'probstatus'} eq 'exam') { $form{'problemtype'}='exam'; } $resources_printed .= $currentURL.':'; my $answer=&Apache::lonnet::ssi($currentURL,%form); if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; } else { $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); if ($helper->{'VARS'}->{'construction'} ne '1') { $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); } else { $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; my $URLpath=$cleanURL; $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); } $texversion.='\vskip 1 mm '.$answer.'\end{document}'; } } if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { $texversion=&IndexCreation($texversion,$currentURL); } if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') { $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /; } $result .= $texversion; if ($currentURL=~m/\.page\s*$/) { ($result,$number_of_columns) = &page_cleanup($result); } } elsif ($cleanURL!~m|^/adm/| && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') { #printing content of sequence from the construction space my $flag_latex_header_remove = 'NO'; my $rndseed=time; if ($helper->{'VARS'}->{'curseed'}) { $rndseed=$helper->{'VARS'}->{'curseed'}; } $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|; my $errtext=&Apache::lonratedt::mapread($currentURL); for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) { $Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/; my $urlp=$2; if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) { my $texversion=''; if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') { $form{'problem_split'}=$parmhash{'problem_stream_switch'}; $form{'suppress_tries'}=$parmhash{'suppress_tries'}; $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; $form{'rndseed'}=$rndseed; $resources_printed .=$urlp.':'; $texversion=&Apache::lonnet::ssi($urlp,%form); } if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) { # Don't permanently modify %$form... my %answerform = %form; $answerform{'grade_target'}='answer'; $answerform{'answer_output_mode'}='tex'; $answerform{'rndseed'}=$rndseed; $answerform{'problem_split'}=$parmhash{'problem_stream_switch'}; if ($urlp=~/\/res\//) {$env{'request.state'}='published';} $resources_printed .= $urlp.':'; my $answer=&Apache::lonnet::ssi($urlp,%answerform); if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; } else { # If necessary, encapsulate answer in minipage: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; $body.=&path_to_problem($urlp,$LaTeXwidth); $body.='\vskip 1 mm '.$answer.'\end{document}'; $body = &encapsulate_minipage($body); $texversion.=$body; } } if ($flag_latex_header_remove ne 'NO') { $texversion = &latex_header_footer_remove($texversion); } else { $texversion =~ s/\\end{document}//; } if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { $texversion=&IndexCreation($texversion,$urlp); } if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') { $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /; } $result.=$texversion; $flag_latex_header_remove = 'YES'; } elsif ($urlp=~/\.(sequence|page)$/) { $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent '; } } if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;} $result .= '\end{document}'; } elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;} $resources_printed .= $currentURL.':'; my $texversion=&Apache::lonnet::ssi($currentURL,%form); $result .= $texversion; } else { $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'}, $helper->{'VARS'}->{'symb'}); } } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') or ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') or ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') or # BUGBUG ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { #-- produce an output string if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') { $selectionmade = 2; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') { $selectionmade = 3; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') { $selectionmade = 4; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') { #BUGBUG $selectionmade = 4; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') { $selectionmade = 7; } $form{'problem_split'}=$parmhash{'problem_stream_switch'}; $form{'suppress_tries'}=$parmhash{'suppress_tries'}; $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';} my $flag_latex_header_remove = 'NO'; my $flag_page_in_sequence = 'NO'; my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; my $prevassignment=''; &Apache::lonxml::clear_problem_counter(); my $pbreakresources = keys %page_breaks; for (my $i=0;$i<=$#master_seq;$i++) { # Note due to document structure, not allowed to put \newpage # prior to the first resource if (defined $page_breaks{$master_seq[$i]}) { if($i != 0) { $result.="\\newpage\n"; } } my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]); $urlp=&Apache::lonnet::clutter($urlp); $form{'symb'}=$master_seq[$i]; my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;} if ($i==0) {$prevassignment=$assignment;} my $texversion=''; if ($urlp!~m|^/adm/| && $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { $resources_printed .= $urlp.':'; &Apache::lonxml::remember_problem_counter(); $texversion.=&Apache::lonnet::ssi($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}/; $flag_page_in_sequence = 'YES'; } if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { # Don't permanently pervert the %form hash my %answerform = %form; $answerform{'grade_target'}='answer'; $answerform{'answer_output_mode'}='tex'; $resources_printed .= $urlp.':'; &Apache::lonxml::restore_problem_counter(); my $answer=&Apache::lonnet::ssi($urlp,%answerform); if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; } else { if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm '; $body .= &path_to_problem ($urlp,$LaTeXwidth); $body .='\vskip 1 mm '.$answer; $body = &encapsulate_minipage($body); $texversion .= $body; } else { $texversion=''; } } } if ($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,$urlp); } if (($selectionmade == 4) and ($assignment ne $prevassignment)) { my $name = &get_name(); my $courseidinfo = &get_course(); if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } $prevassignment=$assignment; if ($numberofcolumns eq '1') { $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm '; } else { $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm '; } } $result .= $texversion; $flag_latex_header_remove = 'YES'; } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;} $resources_printed .= $urlp.':'; my $texversion=&Apache::lonnet::ssi($urlp,%form); if ($flag_latex_header_remove ne 'NO') { $texversion = &latex_header_footer_remove($texversion); } else { $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/; } $result .= $texversion; $flag_latex_header_remove = 'YES'; } else { $texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'}, $master_seq[$i]); if ($flag_latex_header_remove ne 'NO') { $texversion = &latex_header_footer_remove($texversion); } else { $texversion =~ s/\\end{document}//; } $result .= $texversion; $flag_latex_header_remove = 'YES'; } if (&Apache::loncommon::connection_aborted($r)) { last; } } &Apache::lonxml::clear_problem_counter(); if ($flag_page_in_sequence eq 'YES') { $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/; } $result .= '\end{document}'; } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){ #-- prints assignments for whole class or for selected students my $type; if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') { $selectionmade=5; $type='problems'; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') { $selectionmade=8; $type='resources'; } my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'}; # The normal sort order is by section then by students within the # section. If the helper var student_sort is 1, then the user has elected # to override this and output the students by name. # Each element of the students array is of the form: # username:domain:section:last, first:status # # Note that student sort is not compatible with printing # 1 section per pdf...so that setting overrides. # if (($helper->{'VARS'}->{'student_sort'} eq 1) && ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) { @students = sort compare_names @students; } &adjust_number_to_print($helper); if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' || $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) { $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1; } # If we are splitting on section boundaries, we need # to remember that in split_on_sections and # print all of the students in the list. # my $split_on_sections = 0; if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') { $split_on_sections = 1; $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1; } my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; #loop over students my $flag_latex_header_remove = 'NO'; my %moreenv; $moreenv{'instructor_comments'}='hide'; $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth); $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'}; $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'}; if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';} my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75'); my $student_counter=-1; my $i = 0; my $last_section = (split(/:/,$students[0]))[2]; foreach my $person (@students) { my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due"; if (-e $duefile) { my $temp_file = Apache::File->new('>>'.$duefile); print $temp_file "1969\n"; } $student_counter++; if ($split_on_sections) { my $this_section = (split(/:/,$person))[2]; if ($this_section ne $last_section) { $i++; $last_section = $this_section; } } else { $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'}); } my ($output,$fullname, $printed)=&print_resources($r,$helper, $person,$type, \%moreenv,\@master_seq, $flag_latex_header_remove, $LaTeXwidth); $resources_printed .= ":"; $print_array[$i].=$output; $student_names[$i].=$person.':'.$fullname.'_END_'; &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname); $flag_latex_header_remove = 'YES'; if (&Apache::loncommon::connection_aborted($r)) { last; } } &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); $result .= $print_array[0].' \end{document}'; } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon') || ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ) { my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'}; my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'}; my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'}; my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'}; my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'}; my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'}; my $code_option=$helper->{'VARS'}->{'CODE_OPTION'}; open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); my ($code_type,$code_length)=('letter',6); foreach my $line (<FH>) { my ($name,$type,$length) = (split(/:/,$line))[0,2,4]; if ($name eq $code_option) { $code_length=$length; if ($type eq 'number') { $code_type = 'number'; } } } my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth)); $moreenv{'problem_split'} = $parmhash{'problem_stream_switch'}; $moreenv{'instructor_comments'}='hide'; my $seed=time+($$<<16)+($$); my @allcodes; if ($old_name) { my %result=&Apache::lonnet::get('CODEs', [$old_name,"type\0$old_name"], $cdom,$cnum); $code_type=$result{"type\0$old_name"}; @allcodes=split(',',$result{$old_name}); $num_todo=scalar(@allcodes); } elsif ($selected_code) { # Selection value is always numeric. $num_todo = 1; @allcodes = ($selected_code); } elsif ($single_code) { $num_todo = 1; # Unconditionally one code to do. # If an alpha code have to convert to numbers so it can be # converted back to letters again :-) # if ($code_type ne 'number') { $single_code = &letters_to_num($single_code); } @allcodes = ($single_code); } else { my %allcodes; srand($seed); for (my $i=0;$i<$num_todo;$i++) { $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length, $code_type); } if ($code_name) { &Apache::lonnet::put('CODEs', { $code_name =>join(',',keys(%allcodes)), "type\0$code_name" => $code_type }, $cdom,$cnum); } @allcodes=keys(%allcodes); } my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'}; my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'}); my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'}; if ($number_per_page eq '0' || $number_per_page eq 'all') { $number_per_page=$num_todo; } my $flag_latex_header_remove = 'NO'; my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75'); my $count=0; foreach my $code (sort(@allcodes)) { my $file_num=int($count/$number_per_page); if ($code_type eq 'number') { $moreenv{'CODE'}=$code; } else { $moreenv{'CODE'}=&num_to_letters($code); } my ($output,$fullname, $printed)= &print_resources($r,$helper,'anonymous',$type,\%moreenv, \@master_seq,$flag_latex_header_remove, $LaTeXwidth); $resources_printed .= ":"; $print_array[$file_num].=$output; &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, &mt('last assignment').' '.$fullname); $flag_latex_header_remove = 'YES'; $count++; if (&Apache::loncommon::connection_aborted($r)) { last; } } &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); $result .= $print_array[0].' \end{document}'; } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') { #prints selected problems from the subdirectory $selectionmade = 6; my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'}; @list_of_files=sort @list_of_files; my $flag_latex_header_remove = 'NO'; my $rndseed=time; if ($helper->{'VARS'}->{'curseed'}) { $rndseed=$helper->{'VARS'}->{'curseed'}; } for (my $i=0;$i<=$#list_of_files;$i++) { my $urlp = $list_of_files[$i]; $urlp=~s|//|/|; if ($urlp=~/\//) { $form{'problem_split'}=$parmhash{'problem_stream_switch'}; $form{'rndseed'}=$rndseed; if ($urlp =~ m|/home/([^/]+)/public_html|) { $urlp =~ s|/home/([^/]*)/public_html|/~$1|; } else { $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||; } $resources_printed .= $urlp.':'; my $texversion=&Apache::lonnet::ssi($urlp,%form); if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { # Don't permanently pervert %form: my %answerform = %form; $answerform{'grade_target'}='answer'; $answerform{'answer_output_mode'}='tex'; $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; $answerform{'rndseed'}=$rndseed; $resources_printed .= $urlp.':'; my $answer=&Apache::lonnet::ssi($urlp,%answerform); if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/; } else { $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); if ($helper->{'VARS'}->{'construction'} ne '1') { $texversion.='\vskip 0 mm \noindent '; $texversion.=&path_to_problem ($urlp,$LaTeXwidth); } else { $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; my $URLpath=$urlp; $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/; $texversion.=&path_to_problem ($URLpath,$LaTeXwidth); } $texversion.='\vskip 1 mm '.$answer.'\end{document}'; } } #this chunck is responsible for printing the path to problem my $newurlp=$urlp; if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;} $newurlp=&path_to_problem($newurlp,$LaTeXwidth); $texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/; if ($flag_latex_header_remove ne 'NO') { $texversion = &latex_header_footer_remove($texversion); } else { $texversion =~ s/\\end{document}//; } if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') { $texversion=&IndexCreation($texversion,$urlp); } if ($helper->{'VARS'}->{'CONSTR_RESOURSE_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,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade); $result = &latex_corrections($number_of_columns,$result,$selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'}); for (my $i=1;$i<=$#print_array;$i++) { $print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i], $selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'}); } #changes page's parameters for the one column output if ($numberofcolumns == 1) { $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; $result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; } #-- writing .tex file in prtspool my $temp_file; my $identifier = &Apache::loncommon::get_cgi_id(); my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex"; if (!($#print_array>0)) { unless ($temp_file = Apache::File->new('>'.$filename)) { $r->log_error("Couldn't open $filename for output $!"); return SERVER_ERROR; } print $temp_file $result; my $begin=index($result,'\begin{document}',0); my $inc=substr($result,0,$begin+16); } else { my $begin=index($result,'\begin{document}',0); my $inc=substr($result,0,$begin+16); for (my $i=0;$i<=$#print_array;$i++) { if ($i==0) { $print_array[$i]=$result; } else { my $anobegin=index($print_array[$i],'\setcounter{page}',0); substr($print_array[$i],0,$anobegin)=''; $print_array[$i]=$inc.$print_array[$i].'\end{document}'; } my $temp_file; my $newfilename=$filename; my $num=$i+1; $newfilename =~s/\.tex$//; $newfilename=sprintf("%s_%03d.tex",$newfilename, $num); unless ($temp_file = Apache::File->new('>'.$newfilename)) { $r->log_error("Couldn't open $newfilename for output $!"); return SERVER_ERROR; } print $temp_file $print_array[$i]; } } my $student_names=''; if ($#print_array>0) { for (my $i=0;$i<=$#print_array;$i++) { $student_names.=$student_names[$i].'_ENDPERSON_'; } } else { if ($#student_names>-1) { $student_names=$student_names[0].'_ENDPERSON_'; } else { my $fullname = &get_name($env{'user.name'},$env{'user.domain'}); $student_names=join(':',$env{'user.name'},$env{'user.domain'}, $env{'request.course.sec'},$fullname). '_ENDPERSON_'.'_END_'; } } my $URLback=''; #link to original document if ($helper->{'VARS'}->{'construction'} ne '1') { #prints published resource $URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:'); } else { #prints resource from the construction space $URLback='/'.$helper->{'VARS'}->{'filename'}; if ($URLback=~/([^?]+)/) { $URLback=$1; $URLback=~s|^/~|/priv/|; } } # logic for now is too complex to trace if this has been defined # yet. my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; &Apache::lonnet::appenv('cgi.'.$identifier.'.file' => $filename, 'cgi.'.$identifier.'.layout' => $laystyle, 'cgi.'.$identifier.'.numcol' => $numberofcolumns, 'cgi.'.$identifier.'.paper' => $papersize, 'cgi.'.$identifier.'.selection' => $selectionmade, 'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'}, 'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'}, 'cgi.'.$identifier.'.role' => $perm{'pav'}, 'cgi.'.$identifier.'.numberoffiles' => $#print_array, 'cgi.'.$identifier.'.studentnames' => $student_names, 'cgi.'.$identifier.'.backref' => $URLback,); &Apache::lonnet::appenv("cgi.$identifier.user" => $env{'user.name'}, "cgi.$identifier.domain" => $env{'user.domain'}, "cgi.$identifier.courseid" => $cnum, "cgi.$identifier.coursedom" => $cdom, "cgi.$identifier.resources" => $resources_printed); my $end_page = &Apache::loncommon::end_page(); $r->print(<<FINALEND); <br /> <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" /> <a href="/cgi-bin/printout.pl?$identifier">Continue</a> $end_page FINALEND } sub get_CODE { my ($all_codes,$num,$seed,$size,$type)=@_; my $max='1'.'0'x$size; my $newcode; while(1) { $newcode=sprintf("%0".$size."d",int(rand($max))); if (!exists($$all_codes{$newcode})) { $$all_codes{$newcode}=1; if ($type eq 'number' ) { return $newcode; } else { return &num_to_letters($newcode); } } } } sub print_resources { my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header, $LaTeXwidth)=@_; my $current_output = ''; my $printed = ''; my ($username,$userdomain,$usersection) = split /:/,$person; my $fullname = &get_name($username,$userdomain); my $namepostfix; if ($person =~ 'anon') { $namepostfix="\\\\Name: "; $fullname = "CODE - ".$moreenv->{'CODE'}; } my $i = 0; #goes through all resources, checks if they are available for #current student, and produces output &Apache::lonxml::clear_problem_counter(); my %page_breaks = &get_page_breaks($helper); my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'}); my $columns_in_format = $format_array[1]; foreach my $curresline (@{$master_seq}) { if (defined $page_breaks{$curresline}) { if($i != 0) { $current_output.= "\\newpage\n"; } } $i++; if ( !($type eq 'problems' && ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) { my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline); if (&Apache::lonnet::allowed('bre',$res_url)) { if ($res_url!~m|^ext/| && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) { $printed .= $curresline.':'; &Apache::lonxml::remember_problem_counter(); my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') || ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) { # Use a copy of the hash so we don't pervert it on future loop passes. my %answerenv = %{$moreenv}; $answerenv{'answer_output_mode'}='tex'; $answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'}; &Apache::lonxml::restore_problem_counter(); my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv); if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') { $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/; } else { my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm '; $body .=&path_to_problem($res_url,$LaTeXwidth); $body .='\vskip 1 mm '.$ansrendered; $body = &encapsulate_minipage($body); $rendered = $header.$body; } } if ($remove_latex_header eq 'YES') { $rendered = &latex_header_footer_remove($rendered); } else { $rendered =~ s/\\end{document}//; } $current_output .= $rendered; } elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { $printed .= $curresline.':'; my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv); if ($remove_latex_header eq 'YES') { $rendered = &latex_header_footer_remove($rendered); } else { $rendered =~ s/\\end{document}//; } $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut '; } else { my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline); if ($remove_latex_header ne 'NO') { $rendered = &latex_header_footer_remove($rendered); } else { $rendered =~ s/\\end{document}//; } $current_output .= $rendered; } } $remove_latex_header = 'YES'; } if (&Apache::loncommon::connection_aborted($r)) { last; } } my $courseidinfo = &get_course(); if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); if ($current_output=~/\\documentclass/) { if ($columns_in_format == 1) { $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /; } else { $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /; } } else { my $blankpages = ''; for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';} if ($columns_in_format == 1) { $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output; } else { $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output; } } return ($current_output,$fullname, $printed); } sub handler { my $r = shift; &init_perm(); my $helper = printHelper($r); if (!ref($helper)) { return $helper; } my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); # If a figure conversion queue file exists for this user.domain # we delete it since it can only be bad (if it were good, printout.pl # would have deleted it the last time around. my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat"; if(-e $conversion_queuefile) { unlink $conversion_queuefile; } &output_data($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 init_perm { undef(%perm); $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); if (!$perm{'pav'}) { $perm{'pav'}=&Apache::lonnet::allowed('pav', $env{'request.course.id'}.'/'.$env{'request.course.sec'}); } $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); if (!$perm{'pfo'}) { $perm{'pfo'}=&Apache::lonnet::allowed('pfo', $env{'request.course.id'}.'/'.$env{'request.course.sec'}); } } sub printHelper { my $r = shift; if ($r->header_only) { if ($env{'browser.mathml'}) { &Apache::loncommon::content_type($r,'text/xml'); } else { &Apache::loncommon::content_type($r,'text/html'); } $r->send_http_header; return OK; } # Send header, nocache if ($env{'browser.mathml'}) { &Apache::loncommon::content_type($r,'text/xml'); } else { &Apache::loncommon::content_type($r,'text/html'); } &Apache::loncommon::no_cache($r); $r->send_http_header; $r->rflush(); # Unfortunately, this helper is so complicated we have to # write it by hand Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING}); my $helper = Apache::lonhelper::helper->new("Printing Helper"); $helper->declareVar('symb'); $helper->declareVar('postdata'); $helper->declareVar('curseed'); $helper->declareVar('probstatus'); $helper->declareVar('filename'); $helper->declareVar('construction'); $helper->declareVar('assignment'); $helper->declareVar('style_file'); $helper->declareVar('student_sort'); $helper->declareVar('FINISHPAGE'); $helper->declareVar('PRINT_TYPE'); $helper->declareVar("showallfoils"); # The page breaks can get loaded initially from the course environment: # But we only do this in the initial state so that they are allowed to change. # # $helper->{VARS}->{FINISHPAGE} = ''; &Apache::loncommon::restore_course_settings('print', {'pagebreaks' => 'scalar', 'lastprinttype' => 'scalar'}); if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { if (!defined ($env{"form.CURRENT_STATE"})) { $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; } else { my $state = $env{"form.CURRENT_STATE"}; if ($state eq "START") { $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'}; } } } # This will persistently load in the data we want from the # very first screen. # Detect whether we're coming from construction space if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { $helper->{VARS}->{'filename'} = "~$1/$2"; $helper->{VARS}->{'construction'} = 1; } else { if ($env{'form.postdata'}) { $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); } if ($env{'form.symb'}) { $helper->{VARS}->{'symb'} = $env{'form.symb'}; } if ($env{'form.url'}) { $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); } } if ($env{'form.symb'}) { $helper->{VARS}->{'symb'} = $env{'form.symb'}; } if ($env{'form.url'}) { $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'}); } $helper->{VARS}->{'symb'}= &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'}); my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper); if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;} # Extract map my $symb = $helper->{VARS}->{'symb'}; my ($map, $id, $url); my $subdir; # Get the resource name from construction space if ($helper->{VARS}->{'construction'}) { $resourceTitle = substr($helper->{VARS}->{'filename'}, rindex($helper->{VARS}->{'filename'}, '/')+1); $subdir = substr($helper->{VARS}->{'filename'}, 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); } else { ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); $helper->{VARS}->{'postdata'} = &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); if (!$resourceTitle) { # if the resource doesn't have a title, use the filename my $postdata = $helper->{VARS}->{'postdata'}; $resourceTitle = substr($postdata, rindex($postdata, '/') + 1); } $subdir = &Apache::lonnet::filelocation("", $url); } if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) { $helper->{VARS}->{'curseed'}=$env{'form.curseed'}; } if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) { $helper->{VARS}->{'probstatus'}=$env{'form.problemtype'}; } my $userCanSeeHidden = Apache::lonnavmaps::advancedUser(); Apache::lonhelper::registerHelperTags(); # "Delete everything after the last slash." $subdir =~ s|/[^/]+$||; if (not $helper->{VARS}->{'construction'}) { $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir; } # "Remove all duplicate slashes." $subdir =~ s|/+|/|g; # What can be printed is a very dynamic decision based on # lots of factors. So we need to dynamically build this list. # To prevent security leaks, states are only added to the wizard # if they can be reached, which ensures manipulating the form input # won't allow anyone to reach states they shouldn't have permission # to reach. # printChoices is tracking the kind of printing the user can # do, and will be used in a choices construction later. # In the meantime we will be adding states and elements to # the helper by hand. my $printChoices = []; my $paramHash; if ($resourceTitle) { push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE']; } # Useful filter strings my $isProblem = '($res->is_problem()||$res->contains_problem) '; $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden; my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()'; my $isNotMap = '!$res->is_sequence()'; $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden; my $isMap = '$res->is_map()'; my $symbFilter = '$res->shown_symb()'; my $urlValue = '$res->link()'; $helper->declareVar('SEQUENCE'); # If we're in a sequence... if (($helper->{'VARS'}->{'construction'} ne '1') && $helper->{VARS}->{'postdata'} && $helper->{VARS}->{'assignment'}) { # Allow problems from sequence push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS']; # Allow all resources from sequence push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML']; my $helperFragment = <<HELPERFRAGMENT; <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print"> <message>(mark them then click "next" button) <br /></message> <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" closeallpages="1"> <nextstate>PAGESIZE</nextstate> <filterfunc>return $isProblem;</filterfunc> <mapurl>$map</mapurl> <valuefunc>return $symbFilter;</valuefunc> <option text='Newpage' variable='FINISHPAGE' /> </resource> </state> <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print"> <message>(mark them then click "next" button) <br /></message> <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" closeallpages="1"> <nextstate>PAGESIZE</nextstate> <filterfunc>return $isNotMap;</filterfunc> <mapurl>$map</mapurl> <valuefunc>return $symbFilter;</valuefunc> <option text='Newpage' variable='FINISHPAGE' /> </resource> </state> HELPERFRAGMENT &Apache::lonxml::xmlparse($r, 'helper', $helperFragment); } # If the user has pfo (print for otheres) allow them to print all # problems and resources in the entier course, optionally for selected students if ($perm{'pfo'} && ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS']; push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES']; &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS); <state name="ALL_PROBLEMS" title="Select Problem(s) to print"> <message>(mark them then click "next" button) <br /></message> <resource variable="RESOURCES" toponly='0' multichoice="1" suppressEmptySequences='0' addstatus="1" closeallpages="1"> <nextstate>PAGESIZE</nextstate> <filterfunc>return $isProblemOrMap;</filterfunc> <choicefunc>return $isNotMap;</choicefunc> <valuefunc>return $symbFilter;</valuefunc> <option text='Newpage' variable='FINISHPAGE' /> </resource> </state> <state name="ALL_RESOURCES" title="Select Resource(s) to print"> <message>(Mark them then click "next" button) <br /> </message> <resource variable="RESOURCES" toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'> <nextstate>PAGESIZE</nextstate> <filterfunc>return $isNotMap; </filterfunc> <valuefunc>return $symbFilter;</valuefunc> <option text='NewPage' variable='FINISHPAGE' /> </resource> </state> ALL_PROBLEMS if ($helper->{VARS}->{'assignment'}) { push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS']; push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1']; } # resource_selector will hold a few states that: # - Allow resources to be selected for printing. # - Determine pagination between assignments. # - Determine how many assignments should be bundled into a single PDF. # TODO: # Probably good to do things like separate this up into several vars, each # with one state, and use REGEXPs at inclusion time to set state names # and next states for better mix and match capability # my $resource_selector=<<RESOURCE_SELECTOR; <state name="SELECT_PROBLEMS" title="Select resources to print"> <nextstate>PRINT_FORMATTING</nextstate> <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> <resource variable="RESOURCES" multichoice="1" addstatus="1" closeallpages="1"> <filterfunc>return $isProblem;</filterfunc> <mapurl>$map</mapurl> <valuefunc>return $symbFilter;</valuefunc> <option text='New Page' variable='FINISHPAGE' /> </resource> </state> <state name="PRINT_FORMATTING" title="How should results be printed?"> <nextstate>NUMBER_PER_PDF</nextstate> <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> <choices variable="EMPTY_PAGES"> <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> </choices> </state> <state name="NUMBER_PER_PDF" title="Number printed at once"> <nextstate>PAGESIZE</nextstate> <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> <choices variable="SPLIT_PDFS"> <choice computer="all">All assignments in a single PDF file</choice> <choice computer="sections">Each PDF contains exactly one section</choice> <choice computer="oneper">Each PDF contains exactly one assignment</choice> <choice computer="usenumber">Specify Number:</choice> </choices> <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string> </state> RESOURCE_SELECTOR &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS); <state name="CHOOSE_STUDENTS" title="Select Students and Resources"> <message><b>Select sort order</b> </message> <choices variable='student_sort'> <choice computer='0'>Sort by section then student</choice> <choice computer='1'>Sort by students across sections.</choice> </choices> <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/> </state> $resource_selector CHOOSE_STUDENTS my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); my $namechoice='<choice></choice>'; foreach my $name (sort {uc($a) cmp uc($b)} @names) { if ($name =~ /^error: 2 /) { next; } if ($name =~ /^type\0/) { next; } $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>'; } my %code_values; my %codes_to_print; foreach my $key (@names) { %code_values = &Apache::grades::get_codes($key, $cdom, $cnum); foreach my $key (keys(%code_values)) { $codes_to_print{$key} = 1; } } my $code_selection = "<choice></choice>\n"; foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) { my $choice = $code; if ($code =~ /^[A-Z]+$/) { # Alpha code $choice = &letters_to_num($code); } $code_selection .= ' <choice computer="'.$choice.'">'.$code."</choice>\n"; } open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); my $codechoice=''; foreach my $line (<FH>) { my ($name,$description,$code_type,$code_length)= (split(/:/,$line))[0,1,2,4]; if ($code_length > 0 && $code_type =~/^(letter|number|-1)/) { $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>'; } } if ($codechoice eq '') { $codechoice='<choice computer="default">Default</choice>'; } &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1); <state name="CHOOSE_ANON1" title="Select Students and Resources"> <nextstate>SELECT_PROBLEMS</nextstate> <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message> <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> <validator> if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && !\$helper->{'VARS'}{'SINGLE_CODE'} && !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { return "You need to specify the number of assignments to print"; } return undef; </validator> </string> <message></td></tr><tr><td></message> <message><b>Names to store the CODEs under for later:</b></message> <message></td><td></message> <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> <message></td></tr><tr><td></message> <message><b>Bubble sheet type:</b></message> <message></td><td></message> <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> $codechoice </dropdown> <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message> <message></td></tr><tr><td></message> <message><b>Enter a CODE to print:</b></td><td></message> <string variable="SINGLE_CODE" size="10"> <validator> if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, \$helper->{'VARS'}{'CODE_OPTION'}); } else { return undef; # Other forces control us. } </validator> </string> <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message> <message><b>Reprint a set of saved CODEs:</b></message> <message></td><td></message> <dropdown variable="REUSE_OLD_CODES"> $namechoice </dropdown> <message></td></tr></table></message> <message><hr width='33%' /></message> </state> $resource_selector CHOOSE_ANON1 if ($helper->{VARS}->{'assignment'}) { push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1']; push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2']; } $resource_selector=<<RESOURCE_SELECTOR; <state name="SELECT_RESOURCES" title="Select Resources"> <nextstate>PRINT_FORMATTING</nextstate> <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message> <resource variable="RESOURCES" multichoice="1" addstatus="1" closeallpages="1"> <filterfunc>return $isNotMap;</filterfunc> <mapurl>$map</mapurl> <valuefunc>return $symbFilter;</valuefunc> <option text='Newpage' variable='FINISHPAGE' /> </resource> </state> <state name="PRINT_FORMATTING" title="Format of the print job"> <nextstate>NUMBER_PER_PDF</nextstate> <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message> <choices variable="EMPTY_PAGES"> <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice> <choice computer='1'>Add one empty page/column after each student\'s assignment</choice> <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice> <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice> </choices> </state> <state name="NUMBER_PER_PDF" title="Number assignments per pdf"> <nextstate>PAGESIZE</nextstate> <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message> <choices variable="SPLIT_PDFS"> <choice computer="all">All assignments in a single PDF file</choice> <choice computer="sections">Each PDF contains exactly one section</choice> <choice computer="oneper">Each PDF contains exactly one assignment</choice> <choice computer="usenumber">Specify Number:</choice> </choices> <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string> </state> RESOURCE_SELECTOR &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1); <state name="CHOOSE_STUDENTS1" title="Select Students and Resources"> <choices variable='student_sort'> <choice computer='0'>Sort by section then student</choice> <choice computer='1'>Sort by students across sections.</choice> </choices> <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" /> </state> $resource_selector CHOOSE_STUDENTS1 &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2); <state name="CHOOSE_ANON2" title="Select Students and Resources"> <nextstate>SELECT_RESOURCES</nextstate> <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message> <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"> <validator> if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) && !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && !\$helper->{'VARS'}{'SINGLE_CODE'} && !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { return "You need to specify the number of assignments to print"; } return undef; </validator> </string> <message></td></tr><tr><td></message> <message><b>Names to store the CODEs under for later:</b></message> <message></td><td></message> <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" /> <message></td></tr><tr><td></message> <message><b>Bubble sheet type:</b></message> <message></td><td></message> <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0"> $codechoice </dropdown> <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message> <message></td></tr><tr><td></message> <message><b>Enter a CODE to print:</b></td><td></message> <string variable="SINGLE_CODE" size="10"> <validator> if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'} && !\$helper->{'VARS'}{'REUSE_OLD_CODES'} && !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) { return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'}, \$helper->{'VARS'}{'CODE_OPTION'}); } else { return undef; # Other forces control us. } </validator> </string> <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message> <message><b>Reprint a set of saved CODEs:</b></message> <message></td><td></message> <dropdown variable="REUSE_OLD_CODES"> $namechoice </dropdown> <message></td></tr></table></message> <message><hr width='33%' /></message> </state> $resource_selector CHOOSE_ANON2 } # FIXME: That RE should come from a library somewhere. if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $perm{'pav'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') { push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR']; my $f = '$filename'; my $xmlfrag = <<CHOOSE_FROM_SUBDIR; <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print"> <message>(mark them then click "next" button) <br /></message> <files variable="FILES" multichoice='1'> <nextstate>PAGESIZE</nextstate> <filechoice>return '$subdir';</filechoice> CHOOSE_FROM_SUBDIR # this is broken up because I really want interpolation above, # and I really DON'T want it below $xmlfrag .= <<'CHOOSE_FROM_SUBDIR'; <filefilter>return Apache::lonhelper::files::not_old_version($filename) && $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/; </filefilter> </files> </state> CHOOSE_FROM_SUBDIR &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); } # Allow the user to select any sequence in the course, feed it to # another resource selector for that sequence if (!$helper->{VARS}->{'construction'}) { push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course", 'select_sequences', 'CHOOSE_SEQUENCE']; my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'}; #Escape apostrophes and backslashes for Perl $escapedSequenceName =~ s/\\/\\\\/g; $escapedSequenceName =~ s/'/\\'/g; &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE); <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From"> <message>Select the sequence to print resources from:</message> <resource variable="SEQUENCE"> <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate> <filterfunc>return \$res->is_sequence;</filterfunc> <valuefunc>return $urlValue;</valuefunc> <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0); </choicefunc> </resource> </state> <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print"> <message>(mark desired resources then click "next" button) <br /></message> <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1" closeallpages="1"> <nextstate>PAGESIZE</nextstate> <filterfunc>return $isProblem</filterfunc> <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl> <valuefunc>return $symbFilter;</valuefunc> <option text='Newpage' variable='FINISHPAGE' /> </resource> </state> CHOOSE_FROM_ANY_SEQUENCE } # 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'; $paramHash->{CHOICES} = $printChoices; Apache::lonhelper::choices->new(); my $startedTable = 0; # have we started an HTML table yet? (need # to close it later) if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or ($helper->{VARS}->{'construction'} eq '1')) { addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>"); $paramHash = Apache::lonhelper::getParamHash(); $paramHash->{'variable'} = 'ANSWER_TYPE'; $helper->declareVar('ANSWER_TYPE'); $paramHash->{CHOICES} = [ ['Without Answers', 'yes'], ['With Answers', 'no'], ['Only Answers', 'only'] ]; Apache::lonhelper::dropdown->new(); addMessage("</td></tr>"); $startedTable = 1; } if ($perm{'pav'}) { 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>"); addMessage("<tr><td align='right'>Print Discussions: </td><td>"); $paramHash = Apache::lonhelper::getParamHash(); $paramHash->{'variable'} = 'PRINT_DISCUSSIONS'; $helper->declareVar('PRINT_DISCUSSIONS'); $paramHash->{CHOICES} = [ ['No', 'no'], ['Yes', 'yes'] ]; Apache::lonhelper::dropdown->new(); addMessage("</td></tr>"); addMessage("<tr><td align = 'right'> </td><td>"); $paramHash = Apache::lonhelper::getParamHash(); $paramHash->{'multichoice'} = "true"; $paramHash->{'allowempty'} = "true"; $paramHash->{'variable'} = "showallfoils"; $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ]; Apache::lonhelper::choices->new(); addMessage("</td></tr>"); } if ($helper->{'VARS'}->{'construction'}) { my $stylevalue=$env{'construct.style'}; my $xmlfrag .= <<"RNDSEED"; <message><tr><td align='right'>Use random seed: </td><td></message> <string variable="curseed" size="15" maxlength="15"> <defaultvalue> return $helper->{VARS}->{'curseed'}; </defaultvalue> </string> <message></td></tr><tr><td align="right">Use style file:</td><td></message> <message><input type="text" size="40" name="style_file_value" value="$stylevalue" /> <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message> <choices allowempty="1" multichoice="true" variable="showallfoils"> <choice computer="1">Show all foils?</choice> </choices> <message></td></tr></message> RNDSEED &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag); $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'}; } } if ($startedTable) { addMessage("</table>"); } Apache::lonprintout::page_format_state->new("FORMAT"); # Generate the PAGESIZE state which will offer the user the margin # choices if they select one column Apache::lonhelper::state->new("PAGESIZE", "Set Margins"); Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL'); $helper->process(); # MANUAL BAILOUT CONDITION: # If we're in the "final" state, bailout and return to handler if ($helper->{STATE} eq 'FINAL') { return $helper; } $r->print($helper->display()); if ($helper->{STATE} eq 'START') { &recently_generated($r); } &Apache::lonhelper::unregisterHelperTags(); return OK; } 1; package Apache::lonprintout::page_format_state; =pod =head1 Helper element: page_format_state See lonhelper.pm documentation for discussion of the helper framework. Apache::lonprintout::page_format_state is an element that gives the user an opportunity to select the page layout they wish to print with: Number of columns, portrait/landscape, and paper size. If you want to change the paper size choices, change the @paperSize array contents in this package. page_format_state is always directly invoked in lonprintout.pm, so there is no tag interface. You actually pass parameters to the constructor. =over 4 =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. =back =cut use Apache::lonhelper; no strict; @ISA = ("Apache::lonhelper::element"); use strict; use Apache::lonlocal; use Apache::lonnet; my $maxColumns = 2; # it'd be nice if these all worked #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", # "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]", # "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", # "a5 [148x210 mm]", "a6 [105x148 mm]" ); my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", "a4 [210x297 mm]"); # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum | # Paper type sub new { my $self = Apache::lonhelper::element->new(); shift; $self->{'variable'} = shift; my $helper = Apache::lonhelper::getHelper(); $helper->declareVar($self->{'variable'}); bless($self); return $self; } sub render { my $self = shift; my $helper = Apache::lonhelper::getHelper(); my $result = ''; my $var = $self->{'variable'}; my $PageLayout=&mt('Page layout'); my $NumberOfColumns=&mt('Number of columns'); my $PaperType=&mt('Paper type'); $result .= <<STATEHTML; <hr width="33%" /> <table cellpadding="3"> <tr> <td align="center"><b>$PageLayout</b></td> <td align="center"><b>$NumberOfColumns</b></td> <td align="center"><b>$PaperType</b></td> </tr> <tr> <td> <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br /> <label><input type="radio" name="${var}.layout" value="P" checked='1' /> Portrait </label> </td> <td align="center"> <select name="${var}.cols"> STATEHTML my $i; for ($i = 1; $i <= $maxColumns; $i++) { if ($i == 2) { $result .= "<option value='$i' selected>$i</option>\n"; } else { $result .= "<option value='$i'>$i</option>\n"; } } $result .= "</select></td><td>\n"; $result .= "<select name='${var}.paper'>\n"; my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'}); my $DefaultPaperSize=lc($parmhash{'default_paper_size'}); $DefaultPaperSize=~s/\s//g; if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';} $i = 0; foreach (@paperSize) { $_=~/(\w+)/; my $papersize=$1; if ($paperSize[$i]=~/$DefaultPaperSize/) { $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n"; } else { $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n"; } $i++; } $result .= "</select></td></tr></table>"; return $result; } sub postprocess { my $self = shift; my $var = $self->{'variable'}; my $helper = Apache::lonhelper->getHelper(); $helper->{VARS}->{$var} = $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' . $env{"form.$var.paper"}; return 1; } 1; package Apache::lonprintout::page_size_state; =pod =head1 Helper element: page_size_state See lonhelper.pm documentation for discussion of the helper framework. Apache::lonprintout::page_size_state is an element that gives the user the opportunity to further refine the page settings if they select a single-column page. page_size_state is always directly invoked in lonprintout.pm, so there is no tag interface. You actually pass parameters to the constructor. =over 4 =item * B<new>(varName): varName is where the print information will be stored in the format FIXME. =back =cut use Apache::lonhelper; use Apache::lonnet; no strict; @ISA = ("Apache::lonhelper::element"); use strict; sub new { my $self = Apache::lonhelper::element->new(); shift; # disturbs me (probably prevents subclassing) but works (drops # package descriptor)... - Jeremy $self->{'variable'} = shift; my $helper = Apache::lonhelper::getHelper(); $helper->declareVar($self->{'variable'}); # The variable name of the format element, so we can look into # $helper->{VARS} to figure out whether the columns are one or two $self->{'formatvar'} = shift; # The state to transition to after selection, or after discovering # the cols are not set to 1 $self->{NEXTSTATE} = shift; bless($self); return $self; } sub render { my $self = shift; my $helper = Apache::lonhelper::getHelper(); my $result = ''; my $var = $self->{'variable'}; if (defined $self->{ERROR_MSG}) { $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />'; } $result .= <<ELEMENTHTML; <p>How should the column be formatted?</p> <table cellpadding='3'> <tr> <td align='right'><b>Width</b>:</td> <td align='left'><input type='text' name='$var.width' value='18' size='4'></td> <td align='left'> <select name='$var.widthunit'> <option>cm</option><option>in</option> </select> </td> </tr> <tr> <td align='right'><b>Height</b>:</td> <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td> <td align='left'> <select name='$var.heightunit'> <option>cm</option><option>in</option> </select> </td> </tr> <tr> <td align='right'><b>Left margin</b>:</td> <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td> <td align='left'> <select name='$var.lmarginunit'> <option>cm</option><option>in</option> </select> </td> </tr> </table> <p>Hint: Some instructors like to leave scratch space for the student by making the width much smaller than the width of the page.</p> ELEMENTHTML return $result; } # If the user didn't select 1 column, skip this state. sub preprocess { my $self = shift; my $helper = Apache::lonhelper::getHelper(); my $format = $helper->{VARS}->{$self->{'formatvar'}}; if (substr($format, 2, 1) ne '1') { $helper->changeState($self->{NEXTSTATE}); } return 1; } sub postprocess { my $self = shift; my $var = $self->{'variable'}; my $helper = Apache::lonhelper->getHelper(); my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; my $error = ''; # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed # by an optional period, followed by digits, ending the string if ($width !~ /^-?[0-9]+(\.[0-9]*)?$/) { $error .= "Invalid width; please type only a number.<br />\n"; } if ($height !~ /^-?[0-9]+(\.[0-9]*)?$/) { $error .= "Invalid height; please type only a number.<br />\n"; } if ($lmargin !~ /^-?[0-9]+(\.[0-9]*)?$/) { $error .= "Invalid left margin; please type only a number.<br />\n"; } if (!$error) { Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE}); return 1; } else { $self->{ERROR_MSG} = $error; return 0; } } __END__