Annotation of loncom/interface/lonprintout.pm, revision 1.426

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.426   ! foxr        4: # $Id: lonprintout.pm,v 1.425 2006/03/02 23:56:55 foxr Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: 
                     31: use strict;
1.10      albertel   32: use Apache::Constants qw(:common :http);
1.2       sakharuk   33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.54      sakharuk   35: use Apache::loncommon;
1.13      sakharuk   36: use Apache::inputtags;
1.54      sakharuk   37: use Apache::grades;
1.13      sakharuk   38: use Apache::edit;
1.5       sakharuk   39: use Apache::File();
1.68      sakharuk   40: use Apache::lonnavmaps;
1.227     sakharuk   41: use Apache::lonratedt;
1.34      sakharuk   42: use POSIX qw(strftime);
1.255     www        43: use Apache::lonlocal;
1.60      sakharuk   44: 
1.397     albertel   45: my %perm;
                     46: 
1.385     foxr       47: #
                     48: #   Convert a numeric code to letters
                     49: #
                     50: sub num_to_letters {
                     51:     my ($num) = @_;
                     52:     my @nums= split('',$num);
                     53:     my @num_to_let=('A'..'Z');
                     54:     my $word;
                     55:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                     56:     return $word;
                     57: }
                     58: #   Convert a letter code to numeric.
                     59: #
                     60: sub letters_to_num {
                     61:     my ($letters) = @_;
                     62:     my @letters = split('', uc($letters));
                     63:     my %substitution;
                     64:     my $digit = 0;
                     65:     foreach my $letter ('A'..'J') {
                     66: 	$substitution{$letter} = $digit;
                     67: 	$digit++;
                     68:     }
                     69:     #  The substitution is done as below to preserve leading
                     70:     #  zeroes which are needed to keep the code size exact
                     71:     #
                     72:     my $result ="";
                     73:     foreach my $letter (@letters) {
                     74: 	$result.=$substitution{$letter};
                     75:     }
                     76:     return $result;
                     77: }
                     78: 
1.383     foxr       79: #  Determine if a code is a valid numeric code.  Valid
                     80: #  numeric codes must be comprised entirely of digits and
1.384     albertel   81: #  have a correct number of digits.
1.383     foxr       82: #
                     83: #  Parameters:
                     84: #     value      - proposed code value.
1.384     albertel   85: #     num_digits - Number of digits required.
1.383     foxr       86: #
                     87: sub is_valid_numeric_code {
1.384     albertel   88:     my ($value, $num_digits) = @_;
1.383     foxr       89:     #   Remove leading/trailing whitespace;
1.387     foxr       90:     $value =~ s/^\s*//g;
                     91:     $value =~ s/\s*$//g;
1.383     foxr       92:     
                     93:     #  All digits?
1.387     foxr       94:     if ($value !~ /^[0-9]+$/) {
1.383     foxr       95: 	return "Numeric code $value has invalid characters - must only be digits";
                     96:     }
1.384     albertel   97:     if (length($value) != $num_digits) {
                     98: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                     99:     }
1.385     foxr      100:     return undef;
1.383     foxr      101: }
                    102: #   Determines if a code is a valid alhpa code.  Alpha codes
                    103: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  104: #   They also have a correct digit count.
1.383     foxr      105: # Parameters:
                    106: #     value          - Proposed code value.
1.384     albertel  107: #     num_letters    - correct number of letters.
1.383     foxr      108: # Note:
                    109: #    leading and trailing whitespace are ignored.
                    110: #
                    111: sub is_valid_alpha_code {
1.384     albertel  112:     my ($value, $num_letters) = @_;
1.383     foxr      113:     
                    114:      # strip leading and trailing spaces.
                    115: 
                    116:     $value =~ s/^\s*//g;
                    117:     $value =~ s/\s*$//g;
                    118: 
                    119:     #  All alphas in the right range?
1.384     albertel  120:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      121: 	return "Invalid letter code $value must only contain A-J";
                    122:     }
1.384     albertel  123:     if (length($value) != $num_letters) {
                    124: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    125:     }
1.385     foxr      126:     return undef;
1.383     foxr      127: }
                    128: 
1.382     foxr      129: #   Determine if a code entered by the user in a helper is valid.
                    130: #   valid depends on the code type and the type of code selected.
                    131: #   The type of code selected can either be numeric or 
                    132: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    133: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    134: #   We'll be nice and be case insensitive for alpha codes.
                    135: # Parameters:
                    136: #    code_value    - the value of the code the user typed in.
                    137: #    code_option   - The code type selected from the set in the scantron format
                    138: #                    table.
                    139: # Returns:
                    140: #    undef         - The code is valid.
                    141: #    other         - An error message indicating what's wrong.
                    142: #
                    143: sub is_code_valid {
                    144:     my ($code_value, $code_option) = @_;
1.383     foxr      145:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
                    146:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                    147:     foreach my $line (<FG>) {
                    148: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    149: 	if($name eq $code_option) {
                    150: 	    $code_length = $length;
                    151: 	    if($type eq 'number') {
                    152: 		$code_type = 'number';
                    153: 	    }
                    154: 	}
                    155:     }
                    156:     my $valid;
                    157:     if ($code_type eq 'number') {
1.385     foxr      158: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      159:     } else {
1.385     foxr      160: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      161:     }
1.382     foxr      162: 
                    163: }
                    164: 
1.341     foxr      165: #   Compare two students by name.  The students are in the form
                    166: #   returned by the helper:
                    167: #      user:domain:section:last,   first:status
                    168: #   This is a helper function for the perl sort built-in  therefore:
                    169: # Implicit Inputs:
                    170: #    $a     - The first element to compare (global)
                    171: #    $b     - The second element to compare (global)
                    172: # Returns:
                    173: #   -1   - $a < $b
                    174: #    0   - $a == $b
                    175: #   +1   - $a > $b
                    176: #   Note that the initial comparison is done on the last names with the
                    177: #   first names only used to break the tie.
                    178: #
                    179: #
                    180: sub compare_names {
                    181:     #  First split the names up into the primary fields.
                    182: 
                    183:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    184:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    185: 
                    186:     # Now split the last name and first name of each n:
                    187:     #
                    188: 
                    189:     my ($l1,$f1) = split(/,/, $n1);
                    190:     my ($l2,$f2) = split(/,/, $n2);
                    191: 
                    192:     # We don't bother to remove the leading/trailing whitespace from the
                    193:     # firstname, unless the last names compare identical.
                    194: 
                    195:     if($l1 lt $l2) {
                    196: 	return -1;
                    197:     }
                    198:     if($l1 gt $l2) {
                    199: 	return  1;
                    200:     }
                    201: 
                    202:     # Break the tie on the first name, but there are leading (possibly trailing
                    203:     # whitespaces to get rid of first 
                    204:     #
                    205:     $f1 =~ s/^\s+//;		# Remove leading...
                    206:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    207:     
                    208:     $f2 =~ s/^\s+//;
                    209:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    210: 
                    211:     if($f1 lt $f2) {
                    212: 	return -1;
                    213:     }
                    214:     if($f1 gt $f2) {
                    215: 	return 1;
                    216:     }
                    217:     
                    218:     #  Must be the same name.
                    219: 
                    220:     return 0;
                    221: }
                    222: 
1.71      sakharuk  223: sub latex_header_footer_remove {
                    224:     my $text = shift;
                    225:     $text =~ s/\\end{document}//;
                    226:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    227:     return $text;
                    228: }
1.423     foxr      229: #
                    230: #  If necessary, encapsulate text inside 
                    231: #  a minipage env.
                    232: #  necessity is determined by the problem_split param.
                    233: #
                    234: sub encapsulate_minipage {
                    235:     my ($text) = @_;
                    236:     if (!(env{'form.problem.split'} =~ /yes/i)) {
                    237: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    238:     }
                    239:     return $text;
                    240: }
1.71      sakharuk  241: 
                    242: 
1.37      sakharuk  243: sub character_chart {
                    244:     my $result = shift;	
1.116     sakharuk  245:     $result =~ s/&\#0?0?(7|9);//g;
                    246:     $result =~ s/&\#0?(10|13);//g;
                    247:     $result =~ s/&\#0?32;/ /g;
                    248:     $result =~ s/&\#0?33;/!/g;
                    249:     $result =~ s/&(\#0?34|quot);/\"/g;
                    250:     $result =~ s/&\#0?35;/\\\#/g;
                    251:     $result =~ s/&\#0?36;/\\\$/g;
                    252:     $result =~ s/&\#0?37;/\\%/g; 
                    253:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    254:     $result =~ s/&\#(0?39|146);/\'/g;
                    255:     $result =~ s/&\#0?40;/(/g;
                    256:     $result =~ s/&\#0?41;/)/g;
                    257:     $result =~ s/&\#0?42;/\*/g;
                    258:     $result =~ s/&\#0?43;/\+/g;
                    259:     $result =~ s/&\#(0?44|130);/,/g;
                    260:     $result =~ s/&\#0?45;/-/g;
                    261:     $result =~ s/&\#0?46;/\./g;
                    262:     $result =~ s/&\#0?47;/\//g;
                    263:     $result =~ s/&\#0?48;/0/g;
                    264:     $result =~ s/&\#0?49;/1/g;
                    265:     $result =~ s/&\#0?50;/2/g;
                    266:     $result =~ s/&\#0?51;/3/g;
                    267:     $result =~ s/&\#0?52;/4/g;
                    268:     $result =~ s/&\#0?53;/5/g;
                    269:     $result =~ s/&\#0?54;/6/g;
                    270:     $result =~ s/&\#0?55;/7/g;
                    271:     $result =~ s/&\#0?56;/8/g;
                    272:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  273:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  274:     $result =~ s/&\#0?59;/;/g;
                    275:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  276:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    277:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  278:     $result =~ s/&\#0?63;/\?/g;
                    279:     $result =~ s/&\#0?65;/A/g;
                    280:     $result =~ s/&\#0?66;/B/g;
                    281:     $result =~ s/&\#0?67;/C/g;
                    282:     $result =~ s/&\#0?68;/D/g;
                    283:     $result =~ s/&\#0?69;/E/g;
                    284:     $result =~ s/&\#0?70;/F/g;
                    285:     $result =~ s/&\#0?71;/G/g;
                    286:     $result =~ s/&\#0?72;/H/g;
                    287:     $result =~ s/&\#0?73;/I/g;
                    288:     $result =~ s/&\#0?74;/J/g;
                    289:     $result =~ s/&\#0?75;/K/g;
                    290:     $result =~ s/&\#0?76;/L/g;
                    291:     $result =~ s/&\#0?77;/M/g;
                    292:     $result =~ s/&\#0?78;/N/g;
                    293:     $result =~ s/&\#0?79;/O/g;
                    294:     $result =~ s/&\#0?80;/P/g;
                    295:     $result =~ s/&\#0?81;/Q/g;
                    296:     $result =~ s/&\#0?82;/R/g;
                    297:     $result =~ s/&\#0?83;/S/g;
                    298:     $result =~ s/&\#0?84;/T/g;
                    299:     $result =~ s/&\#0?85;/U/g;
                    300:     $result =~ s/&\#0?86;/V/g;
                    301:     $result =~ s/&\#0?87;/W/g;
                    302:     $result =~ s/&\#0?88;/X/g;
                    303:     $result =~ s/&\#0?89;/Y/g;
                    304:     $result =~ s/&\#0?90;/Z/g;
                    305:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  306:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  307:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  308:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  309:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    310:     $result =~ s/&\#(0?96|145);/\`/g;
                    311:     $result =~ s/&\#0?97;/a/g;
                    312:     $result =~ s/&\#0?98;/b/g;
                    313:     $result =~ s/&\#0?99;/c/g;
                    314:     $result =~ s/&\#100;/d/g;
                    315:     $result =~ s/&\#101;/e/g;
                    316:     $result =~ s/&\#102;/f/g;
                    317:     $result =~ s/&\#103;/g/g;
                    318:     $result =~ s/&\#104;/h/g;
                    319:     $result =~ s/&\#105;/i/g;
                    320:     $result =~ s/&\#106;/j/g;
                    321:     $result =~ s/&\#107;/k/g;
                    322:     $result =~ s/&\#108;/l/g;
                    323:     $result =~ s/&\#109;/m/g;
                    324:     $result =~ s/&\#110;/n/g;
                    325:     $result =~ s/&\#111;/o/g;
                    326:     $result =~ s/&\#112;/p/g;
                    327:     $result =~ s/&\#113;/q/g;
                    328:     $result =~ s/&\#114;/r/g;
                    329:     $result =~ s/&\#115;/s/g;
                    330:     $result =~ s/&\#116;/t/g;
                    331:     $result =~ s/&\#117;/u/g;
                    332:     $result =~ s/&\#118;/v/g;
                    333:     $result =~ s/&\#119;/w/g;
                    334:     $result =~ s/&\#120;/x/g;
                    335:     $result =~ s/&\#121;/y/g;
                    336:     $result =~ s/&\#122;/z/g;
                    337:     $result =~ s/&\#123;/\\{/g;
                    338:     $result =~ s/&\#124;/\|/g;
                    339:     $result =~ s/&\#125;/\\}/g;
                    340:     $result =~ s/&\#126;/\~/g;
                    341:     $result =~ s/&\#131;/\\textflorin /g;
                    342:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  343:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    344:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    345:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  346:     $result =~ s/&\#137;/\\textperthousand /g;
                    347:     $result =~ s/&\#140;/{\\OE}/g;
                    348:     $result =~ s/&\#147;/\`\`/g;
                    349:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  350:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  351:     $result =~ s/&\#150;/--/g;
                    352:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  353:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  354:     $result =~ s/&\#153;/\\texttrademark /g;
                    355:     $result =~ s/&\#156;/\\oe/g;
                    356:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  357:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  358:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    359:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    360:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    361:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    362:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    363:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    364:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    365:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    366:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    367:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  368:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  369:     $result =~ s/&(\#173|shy);/ - /g;
                    370:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  371:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    372:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    373:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    374:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    375:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  376:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  377:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  378:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  379:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  380:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  381:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  382:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    383:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    384:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    385:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    386:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    387:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    388:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    389:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    390:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    391:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    392:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    393:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    394:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    395:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    396:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    397:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    398:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    399:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    400:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    401:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    402:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    403:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    404:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    405:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    406:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    407:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    408:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  409:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  410:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    411:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    412:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    413:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    414:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    415:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  416:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  417:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    418:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    419:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    420:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    421:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    422:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    423:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    424:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    425:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    426:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    427:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    428:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    429:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    430:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    431:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    432:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  433:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  434:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    435:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    436:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    437:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    438:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    439:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  440:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  441:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    442:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    443:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    444:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    445:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    446:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    447:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  448:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  449:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  450: #Greek Alphabet
1.281     sakharuk  451:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    452:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    453:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    454:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    455:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    456:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    457:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    458:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    459:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    460:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    461:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    462:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    463:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    464:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  465:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  466:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    467:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    468:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    469:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    470:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    471:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    472:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    473:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    474:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    475:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    476:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  477:     $result =~ s/&(Alpha|\#913);/A/g;
                    478:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  479:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    480:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  481:     $result =~ s/&(Epsilon|\#917);/E/g;
                    482:     $result =~ s/&(Zeta|\#918);/Z/g;
                    483:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  484:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  485:     $result =~ s/&(Iota|\#921);/I/g;
                    486:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  487:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  488:     $result =~ s/&(Mu|\#924);/M/g;
                    489:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  490:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  491:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  492:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  493:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  494:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  495:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  496:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    497:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  498:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  499:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    500:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  501: #Arrows (extended HTML 4.01)
1.281     sakharuk  502:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    503:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    504:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    505:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    506:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    507:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    508:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    509:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    510:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    511:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  512: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  513:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    514:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    515:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    516:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    517:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    518:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    519:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    520:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    521:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    522:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    523:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  524:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  525:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    526:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    527:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    528:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    529:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    530:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    531:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    532:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    533:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    534:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    535:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    536:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    537:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    538:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    539:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    540:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    541:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    542:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    543:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    544:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    545:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    546:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    547:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    548:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    549:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    550:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  551: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  552:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  553: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  554:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    555:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    556:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    557:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  558:     return $result;
                    559: }
1.41      sakharuk  560: 
                    561: 
1.327     albertel  562:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    563: my %page_formats=
                    564:     ('letter' => {
                    565: 	 'book' => {
1.349     albertel  566: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    567: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  568: 	 },
                    569: 	 'album' => {
1.338     albertel  570: 	     '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
1.327     albertel  571: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    572: 	 },
                    573:      },
                    574:      'legal' => {
                    575: 	 'book' => {
                    576: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    577: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    578: 	 },
                    579: 	 'album' => {
1.376     albertel  580: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    581:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  582:           },
                    583:      },
                    584:      'tabloid' => {
                    585: 	 'book' => {
                    586: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    587: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    588: 	 },
                    589: 	 'album' => {
1.376     albertel  590: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    591: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  592:           },
                    593:      },
                    594:      'executive' => {
                    595: 	 'book' => {
                    596: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    597: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    598: 	 },
                    599: 	 'album' => {
                    600: 	     '1' => [],
                    601: 	     '2' => []
                    602:           },
                    603:      },
                    604:      'a2' => {
                    605: 	 'book' => {
                    606: 	     '1' => [],
                    607: 	     '2' => []
                    608: 	 },
                    609: 	 'album' => {
                    610: 	     '1' => [],
                    611: 	     '2' => []
                    612:           },
                    613:      },
                    614:      'a3' => {
                    615: 	 'book' => {
                    616: 	     '1' => [],
                    617: 	     '2' => []
                    618: 	 },
                    619: 	 'album' => {
                    620: 	     '1' => [],
                    621: 	     '2' => []
                    622:           },
                    623:      },
                    624:      'a4' => {
                    625: 	 'book' => {
                    626: 	     '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
                    627: 	     '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
                    628: 	 },
                    629: 	 'album' => {
                    630: 	     '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
                    631: 	     '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
                    632: 	 },
                    633:      },
                    634:      'a5' => {
                    635: 	 'book' => {
                    636: 	     '1' => [],
                    637: 	     '2' => []
                    638: 	 },
                    639: 	 'album' => {
                    640: 	     '1' => [],
                    641: 	     '2' => []
                    642:           },
                    643:      },
                    644:      'a6' => {
                    645: 	 'book' => {
                    646: 	     '1' => [],
                    647: 	     '2' => []
                    648: 	 },
                    649: 	 'album' => {
                    650: 	     '1' => [],
                    651: 	     '2' => []
                    652:           },
                    653:      },
                    654:      );
                    655: 
1.177     sakharuk  656: sub page_format {
1.140     sakharuk  657: #
1.326     sakharuk  658: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    659: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    660: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    661: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    662: #                        "A6 [105x148 mm]"
1.140     sakharuk  663: # 
                    664:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  665:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  666: }
1.76      sakharuk  667: 
                    668: 
1.126     albertel  669: sub get_name {
                    670:     my ($uname,$udom)=@_;
1.373     albertel  671:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    672:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  673:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  674:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    675:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    676:     return $plainname;
1.126     albertel  677: }
                    678: 
1.213     albertel  679: sub get_course {
                    680:     my $courseidinfo;
1.373     albertel  681:     if (defined($env{'request.course.id'})) {
                    682: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  683:     }
                    684:     return $courseidinfo;
                    685: }
1.177     sakharuk  686: 
1.76      sakharuk  687: sub page_format_transformation {
1.312     sakharuk  688:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  689:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  690:     if ($selectionmade eq '4') {
                    691: 	$assignment='Problems from the Whole Course';
                    692:     } else {
                    693: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    694:     }
1.261     sakharuk  695:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  696:     my $name = &get_name();
1.213     albertel  697:     my $courseidinfo = &get_course();
                    698:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.319     sakharuk  699:     my $topmargintoinsert = '';
                    700:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  701:     my $fancypagestatement='';
                    702:     if ($numberofcolumns eq '2') {
                    703: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    704:     } else {
                    705: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    706:     }
1.140     sakharuk  707:     if ($layout eq 'album') {
1.340     foxr      708: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  709:     } elsif ($layout eq 'book') {
                    710: 	if ($choice ne 'All class print') { 
1.340     foxr      711: 	    $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/;
1.140     sakharuk  712: 	} else {
1.340     foxr      713: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  714: 	}
1.326     sakharuk  715: 	if ($papersize eq 'a4') {
1.319     sakharuk  716: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  717: 	}
                    718:     }
1.214     sakharuk  719:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    720:     if ($indexlist eq 'yes') {
                    721: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    722: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    723:     }
1.140     sakharuk  724:     return $text;
                    725: }
                    726: 
                    727: 
1.33      sakharuk  728: sub page_cleanup {
                    729:     my $result = shift;	
1.65      sakharuk  730:  
                    731:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  732:     my $number_of_columns = $1;
1.33      sakharuk  733:     my $insert = '{';
1.34      sakharuk  734:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  735:     $insert .= '}';
1.65      sakharuk  736:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  737:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    738:     return $result,$number_of_columns;
1.7       sakharuk  739: }
1.5       sakharuk  740: 
1.3       sakharuk  741: 
1.60      sakharuk  742: sub details_for_menu {
1.335     albertel  743:     my ($helper)=@_;
1.373     albertel  744:     my $postdata=$env{'form.postdata'};
1.335     albertel  745:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    746:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    747:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       748:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  749:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  750:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  751:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  752: 	$map =~ m|([^/]+)$|;
                    753: 	$name_of_sequence = $1;
1.63      albertel  754:     }
1.373     albertel  755:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel  756:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel  757: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel  758: 	$name_of_map = $1;
                    759:     }
1.335     albertel  760:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  761: }
                    762: 
                    763: 
                    764: sub latex_corrections {
1.408     albertel  765:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk  766: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  767:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.408     albertel  768:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
                    769: 	$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/;
                    770:     } else {
1.316     sakharuk  771: 	$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/;
                    772:     }
1.91      sakharuk  773:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    774:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  775: #-- LaTeX corrections     
                    776:     my $first_comment = index($result,'<!--',0);
                    777:     while ($first_comment != -1) {
                    778: 	my $end_comment = index($result,'-->',$first_comment);
                    779: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    780: 	$first_comment = index($result,'<!--',$first_comment);
                    781:     }
                    782:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel  783:     #removes more than one empty space
                    784:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk  785:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    786:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    787:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  788:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  789:     #conversion of html characters to LaTeX equivalents
                    790:     if ($result =~ m/&(\w+|#\d+);/) {
                    791: 	$result = &character_chart($result);
                    792:     }
                    793:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    794:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    795:     return $result;
1.60      sakharuk  796: }
                    797: 
1.3       sakharuk  798: 
1.214     sakharuk  799: sub index_table {
                    800:     my $currentURL = shift;
                    801:     my $insex_string='';
                    802:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    803:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    804:     return $insex_string;
                    805: }
                    806: 
                    807: 
1.215     sakharuk  808: sub IndexCreation {
                    809:     my ($texversion,$currentURL)=@_;
                    810:     my @key_words=split(/,/,&index_table($currentURL));
                    811:     my $chunk='';
                    812:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    813:     if ($st>0) {
                    814: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    815: 	$chunk=substr($texversion,0,$st+1);
                    816: 	substr($texversion,0,$st+1)=' ';
                    817:     }
                    818:     foreach my $key_word (@key_words) {
                    819: 	if ($key_word=~/\S+/) {
                    820: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    821: 	}
                    822:     }			
                    823:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    824:     return $texversion;
                    825: }
                    826: 
1.242     sakharuk  827: sub print_latex_header {
                    828:     my $mode=shift;
1.409     foxr      829:     my $output='\documentclass[letterpaper,twoside]{article}';
1.397     albertel  830:     if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1.242     sakharuk  831: 	$output.='\batchmode';
                    832:     }
1.340     foxr      833:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1.410     foxr      834:    	    '\usepackage{multirow}'."\n".
1.340     foxr      835: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      836: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1.393     foxr      837: 	     '\usepackage{wrapfig}'.
1.344     foxr      838: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      839: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    840: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    841: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    842: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    843: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    844: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    845: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    846: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    847: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    848: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    849: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    850: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    851: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  852:     return $output;	     
                    853: }
                    854: 
                    855: sub path_to_problem {
1.328     albertel  856:     my ($urlp,$colwidth)=@_;
1.404     albertel  857:     $urlp=&Apache::lonnet::clutter($urlp);
                    858: 
1.242     sakharuk  859:     my $newurlp = '';
1.328     albertel  860:     $colwidth=~s/\s*mm\s*$//;
                    861: #characters average about 2 mm in width
1.360     albertel  862:     if (length($urlp)*2 > $colwidth) {
1.404     albertel  863: 	my @elements = split('/',$urlp);
1.328     albertel  864: 	my $curlength=0;
                    865: 	foreach my $element (@elements) {
1.404     albertel  866: 	    if ($element eq '') { next; }
1.328     albertel  867: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel  868: 		$newurlp .=  '|\vskip -1 mm \verb|';
                    869: 		$curlength=length($element)*2;
1.328     albertel  870: 	    } else {
                    871: 		$curlength+=length($element)*2;
1.242     sakharuk  872: 	    }
1.328     albertel  873: 	    $newurlp.='/'.$element;
1.242     sakharuk  874: 	}
1.253     sakharuk  875:     } else {
                    876: 	$newurlp=$urlp;
1.242     sakharuk  877:     }
                    878:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    879: }
1.215     sakharuk  880: 
1.275     sakharuk  881: sub recalcto_mm {
                    882:     my $textwidth=shift;
                    883:     my $LaTeXwidth;
1.339     albertel  884:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  885: 	$LaTeXwidth = $1*10;
1.339     albertel  886:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  887: 	$LaTeXwidth = $1;
1.339     albertel  888:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  889: 	$LaTeXwidth = $1*25.4;
                    890:     }
                    891:     $LaTeXwidth.=' mm';
                    892:     return $LaTeXwidth;
                    893: }
                    894: 
1.285     albertel  895: sub get_textwidth {
                    896:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  897:     my $textwidth=$LaTeXwidth;
1.285     albertel  898:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    899: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  900: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    901: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  902:     }
1.286     albertel  903:     return $textwidth;
1.285     albertel  904: }
                    905: 
1.296     sakharuk  906: 
                    907: sub unsupported {
1.414     albertel  908:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk  909:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  910:     my $result.= &print_latex_header($mode);
1.414     albertel  911:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                    912: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                    913: 	my $title=&Apache::lonnet::gettitle($symb);
                    914: 	$title = &Apache::lonxml::latex_special_symbols($title);
                    915: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk  916:     } else {
                    917: 	$result.=$currentURL;
                    918:     }
1.419     albertel  919:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  920:     return $result;
                    921: }
                    922: 
                    923: 
1.363     foxr      924: #
1.395     www       925: # List of recently generated print files
                    926: #
                    927: sub recently_generated {
                    928:     my $r=shift;
                    929:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel  930:     my $zip_result;
                    931:     my $pdf_result;
1.395     www       932:     opendir(DIR,$prtspool);
1.400     albertel  933: 
                    934:     my @files = 
                    935: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www       936:     closedir(DIR);
1.400     albertel  937: 
                    938:     @files = sort {
                    939: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                    940: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                    941: 	return $bctime <=> $actime;
                    942:     } (@files);
                    943: 
                    944:     foreach my $filename (@files) {
                    945: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                    946: 	my ($cdev,$cino,$cmode,$cnlink,
                    947: 	    $cuid,$cgid,$crdev,$csize,
                    948: 	    $catime,$cmtime,$cctime,
                    949: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
                    950: 	my $result="<a href='/prtspool/$filename'>".
                    951: 	    &mt('Generated [_1] ([_2] bytes)',
                    952: 		&Apache::lonlocal::locallocaltime($cctime),$csize).
                    953: 		'</a><br />';
                    954: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                    955: 	if ($ext eq 'zip') { $zip_result .= $result; }
                    956:     }
                    957:     if ($zip_result) {
                    958: 	$r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
                    959: 		  .$zip_result);
                    960:     }
                    961:     if ($pdf_result) {
                    962: 	$r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
                    963: 		  .$pdf_result);
1.396     albertel  964:     }
1.395     www       965: }
                    966: 
                    967: #
1.363     foxr      968: #   Retrieve the hash of page breaks.
                    969: #
                    970: #  Inputs:
                    971: #    helper   - reference to helper object.
                    972: #  Outputs
                    973: #    A reference to a page break hash.
                    974: #
                    975: #
1.418     foxr      976: #use Data::Dumper;
                    977: #sub dump_helper_vars {
                    978: #    my ($helper) = @_;
                    979: #    my $helpervars = Dumper($helper->{'VARS'});
                    980: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                    981: #}
1.363     foxr      982: 
                    983: sub get_page_breaks  {
                    984:     my ($helper) = @_;
                    985:     my %page_breaks;
1.416     foxr      986: 
1.363     foxr      987:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                    988: 	$page_breaks{$break} = 1;
                    989:     }
1.364     albertel  990:     return %page_breaks;
1.363     foxr      991: }
                    992: 
1.177     sakharuk  993: sub output_data {
1.184     sakharuk  994:     my ($r,$helper,$rparmhash) = @_;
                    995:     my %parmhash = %$rparmhash;
1.392     albertel  996:     my $resources_printed = '';
1.361     albertel  997:     my $html=&Apache::lonxml::xmlbegin();
1.187     www       998:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  999:     $r->print(<<ENDPART);
1.361     albertel 1000: $html
                   1001: <head>
                   1002: <script type="text/javascript" language="Javascript">
1.264     sakharuk 1003:     var editbrowser;
                   1004:     function openbrowser(formname,elementname,only,omit) {
                   1005:         var url = '/res/?';
                   1006:         if (editbrowser == null) {
                   1007:             url += 'launch=1&';
                   1008:         }
                   1009:         url += 'catalogmode=interactive&';
                   1010:         url += 'mode=parmset&';
                   1011:         url += 'form=' + formname + '&';
                   1012:         if (only != null) {
                   1013:             url += 'only=' + only + '&';
                   1014:         } 
                   1015:         if (omit != null) {
                   1016:             url += 'omit=' + omit + '&';
                   1017:         }
                   1018:         url += 'element=' + elementname + '';
                   1019:         var title = 'Browser';
                   1020:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1021:         options += ',width=700,height=600';
                   1022:         editbrowser = open(url,title,options,'1');
                   1023:         editbrowser.focus();
                   1024:     }
                   1025: </script>
1.140     sakharuk 1026: <title>LON-CAPA output for printing</title>
                   1027: </head>
1.187     www      1028: $bodytag
1.402     albertel 1029: <p>
1.187     www      1030: Please stand by while processing your print request, this may take some time ...
1.402     albertel 1031: </p>
1.140     sakharuk 1032: ENDPART
                   1033: 
1.363     foxr     1034: 
1.372     foxr     1035: 
1.363     foxr     1036:     # fetch the pagebreaks and store them in the course environment
                   1037:     # The page breaks will be pulled into the hash %page_breaks which is
                   1038:     # indexed by symb and contains 1's for each break.
                   1039: 
1.373     albertel 1040:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1041:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1042:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1043: 					      {'pagebreaks'    => 'scalar',
                   1044: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1045: 
1.364     albertel 1046:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1047: 
1.140     sakharuk 1048:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1049:     my ($result,$selectionmade) = ('','');
                   1050:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1051:     my @temporary_array=split /\|/,$format_from_helper;
                   1052:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                   1053:     if ($laystyle eq 'L') {
                   1054: 	$laystyle='album';
                   1055:     } else {
                   1056: 	$laystyle='book';
                   1057:     }
1.177     sakharuk 1058:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1059:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1060:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1061:     my @print_array=();
1.274     sakharuk 1062:     my @student_names=();
1.360     albertel 1063: 
                   1064:     #  Common settings for the %form has:
                   1065:     # In some cases these settings get overriddent by specific cases, but the
                   1066:     # settings are common enough to make it worthwhile factoring them out
                   1067:     # here.
                   1068:     #
                   1069:     my %form;
                   1070:     $form{'grade_target'} = 'tex';
                   1071:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr     1072: 
                   1073:     # If form.showallfoils is set, then request all foils be shown:
                   1074:     # privilege will be enforced both by not allowing the 
                   1075:     # check box selecting this option to be presnt unless it's ok,
                   1076:     # and by lonresponse's priv. check.
                   1077:     # The if is here because lonresponse.pm only cares that
                   1078:     # showallfoils is defined, not what the value is.
                   1079: 
                   1080:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1081: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1082:     }
                   1083: 
1.140     sakharuk 1084:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1085:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1086: 	my ($currentURL,$cleanURL);
1.375     foxr     1087: 
1.162     sakharuk 1088: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1089:             #prints published resource
1.153     sakharuk 1090: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1091: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1092: 	} else {
1.185     sakharuk 1093:             #prints resource from the construction space
1.240     albertel 1094: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1095: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1096: 	    $cleanURL=$currentURL;
1.143     sakharuk 1097: 	}
1.140     sakharuk 1098: 	$selectionmade = 1;
1.413     albertel 1099: 	if ($cleanURL!~m|^/adm/|
                   1100: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1101: 	    my $rndseed=time;
1.242     sakharuk 1102: 	    my $texversion='';
                   1103: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1104: 		my %moreenv;
1.343     albertel 1105: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk 1106: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1107: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1.373     albertel 1108: 		    my $dom = $env{'user.domain'};
                   1109: 		    my $user = $env{'user.name'};
1.265     sakharuk 1110: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                   1111: 		}
1.290     sakharuk 1112:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1113: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1114: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1115: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1116: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1117: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk 1118: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1119: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1120: 		}
                   1121: 		$form{'rndseed'}=$rndseed;
                   1122: 		&Apache::lonnet::appenv(%moreenv);
                   1123: 		&Apache::lonnet::delenv('form.counter');
                   1124: 		&Apache::lonxml::init_counter();
1.403     albertel 1125: 		&Apache::lonxml::store_counter();
1.375     foxr     1126: 		$resources_printed .= $currentURL.':';
1.275     sakharuk 1127: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1128: 		&Apache::lonnet::delenv('form.counter');
                   1129: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1130: 	    }
1.423     foxr     1131: 	    # current document with answers.. no need to encap in minipage
                   1132: 	    #  since there's only one answer.
                   1133: 
1.242     sakharuk 1134: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1135: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1136: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1137: 		$form{'grade_target'}='answer';
1.167     albertel 1138: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1139: 		$form{'rndseed'}=$rndseed;
1.401     albertel 1140:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1141: 		    $form{'problemtype'}='exam';
                   1142: 		}
1.375     foxr     1143: 		$resources_printed .= $currentURL.':';
1.166     albertel 1144: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1145: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1146: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1147: 		} else {
                   1148: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1149: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1150: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel 1151: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1152: 		    } else {
                   1153: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1154: 			my $URLpath=$cleanURL;
1.245     sakharuk 1155: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1156: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1157: 		    }
1.242     sakharuk 1158: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1159: 		}
1.163     sakharuk 1160: 	    }
1.214     sakharuk 1161: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1162: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1163: 	    }
1.219     sakharuk 1164: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1165: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1166: 
                   1167: 	    }
1.162     sakharuk 1168: 	    $result .= $texversion;
                   1169: 	    if ($currentURL=~m/\.page\s*$/) {
                   1170: 		($result,$number_of_columns) = &page_cleanup($result);
                   1171: 	    }
1.413     albertel 1172:         } elsif ($cleanURL!~m|^/adm/|
                   1173: 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 1174:             #printing content of sequence from the construction space	
                   1175: 	    my $flag_latex_header_remove = 'NO'; 
                   1176: 	    my $rndseed=time;
1.231     albertel 1177: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1178: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1179: 	    }
1.227     sakharuk 1180: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1181: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                   1182: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                   1183: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                   1184: 		my $urlp=$2;
                   1185: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk 1186: 		    my $texversion='';
                   1187: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1188: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1189: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk 1190: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1191: 			$form{'rndseed'}=$rndseed;
1.375     foxr     1192: 			$resources_printed .=$urlp.':';
1.245     sakharuk 1193: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                   1194: 		    }
1.249     sakharuk 1195: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1196: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1197: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.380     foxr     1198: 			#  Don't permanently modify %$form...
                   1199: 			my %answerform = %form;
                   1200: 			$answerform{'grade_target'}='answer';
                   1201: 			$answerform{'answer_output_mode'}='tex';
                   1202: 			$answerform{'rndseed'}=$rndseed;
                   1203: 			$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.373     albertel 1204:                         if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.375     foxr     1205: 			$resources_printed .= $urlp.':';
1.380     foxr     1206: 			my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.245     sakharuk 1207: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1208: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1209: 			} else {
1.423     foxr     1210: 			    # If necessary, encapsulate answer in minipage:
                   1211: 
1.245     sakharuk 1212: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.423     foxr     1213: 			    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1214: 			    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1215: 			    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1216: 			    $body = &encapsulate_minipage($body);
                   1217: 			    $texversion.=$body;
1.245     sakharuk 1218: 			}
1.227     sakharuk 1219: 		    }
                   1220: 		    if ($flag_latex_header_remove ne 'NO') {
                   1221: 			$texversion = &latex_header_footer_remove($texversion);
                   1222: 		    } else {
                   1223: 			$texversion =~ s/\\end{document}//;
                   1224: 		    }
                   1225: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1226: 			$texversion=&IndexCreation($texversion,$urlp);
                   1227: 		    }
1.232     sakharuk 1228: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1229: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1230: 		    }
                   1231: 		    $result.=$texversion;
                   1232: 		    $flag_latex_header_remove = 'YES';
                   1233: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1234: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1235: 		}  
                   1236: 	    }
1.228     sakharuk 1237: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1238: 	    $result .= '\end{document}';   
1.343     albertel 1239: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1240: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1241: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1242: 		$resources_printed .= $currentURL.':';
1.258     sakharuk 1243: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1244: 		$result .= $texversion;
1.162     sakharuk 1245: 	} else {
1.414     albertel 1246: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1247: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 1248: 	}
1.354     foxr     1249:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1250:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1251:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1252: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1253: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1254:         #-- produce an output string
1.296     sakharuk 1255: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1256: 	    $selectionmade = 2;
                   1257: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1258: 	    $selectionmade = 3;
                   1259: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1260: 	    $selectionmade = 4;
1.354     foxr     1261: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1262: 	    $selectionmade = 4;
1.296     sakharuk 1263: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1264: 	    $selectionmade = 7;
                   1265: 	}
1.193     sakharuk 1266: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1267: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1268: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1269: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1270: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1271: 	my $flag_latex_header_remove = 'NO';
                   1272: 	my $flag_page_in_sequence = 'NO';
                   1273: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1274: 	my $prevassignment='';
1.270     sakharuk 1275: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk 1276: 	&Apache::lonxml::init_counter();
1.403     albertel 1277: 	&Apache::lonxml::store_counter();
1.416     foxr     1278: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 1279: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1280: 
                   1281: 	    # Note due to document structure, not allowed to put \newpage
                   1282: 	    # prior to the first resource
                   1283: 
1.351     foxr     1284: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1285: 		if($i != 0) {
                   1286: 		    $result.="\\newpage\n";
                   1287: 		}
                   1288: 	    }
1.407     albertel 1289: 	    my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1290: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1291: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 1292: 
                   1293: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.267     sakharuk 1294: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1295: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1296: 	    my $texversion='';
1.413     albertel 1297: 	    if ($urlp!~m|^/adm/|
                   1298: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1299: 		$resources_printed .= $urlp.':';
1.403     albertel 1300: 		my $pre_counter=$env{'form.counter'};
1.297     sakharuk 1301: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1302: 		if ($urlp=~/\.page$/) {
                   1303: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1304: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1305: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1306: 		    $flag_page_in_sequence = 'YES';
                   1307: 		} 
1.403     albertel 1308: 		my ($envfile) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
                   1309: 		&Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
                   1310: 							 $envfile);
1.373     albertel 1311: 		my $current_counter=$env{'form.counter'};
1.296     sakharuk 1312: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1313: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1314: 		    #  Don't permanently pervert the %form hash
                   1315: 		    my %answerform = %form;
                   1316: 		    $answerform{'grade_target'}='answer';
                   1317: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1318: 		    $resources_printed .= $urlp.':';
1.403     albertel 1319: 		    &Apache::lonnet::appenv(('form.counter' => $pre_counter));
1.380     foxr     1320: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.296     sakharuk 1321: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1322: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1323: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1324: 		    } else {
1.307     sakharuk 1325: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1326: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.423     foxr     1327: 			    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
                   1328: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   1329: 			    $body   .='\vskip 1 mm '.$answer;
                   1330: 			    $body    = &encapsulate_minipage($body);
                   1331: 			    $texversion .= $body;
1.296     sakharuk 1332: 			} else {
                   1333: 			    $texversion='';
                   1334: 			}
1.249     sakharuk 1335: 		    }
1.246     sakharuk 1336: 		}
1.296     sakharuk 1337: 		if ($flag_latex_header_remove ne 'NO') {
                   1338: 		    $texversion = &latex_header_footer_remove($texversion);
                   1339: 		} else {
                   1340: 		    $texversion =~ s/\\end{document}//;
                   1341: 		}
                   1342: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1343: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1344: 		}
                   1345: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1346: 		    my $name = &get_name();
                   1347: 		    my $courseidinfo = &get_course();
                   1348: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1349: 		    $prevassignment=$assignment;
1.417     foxr     1350: 		    if ($numberofcolumns eq '1') {
1.416     foxr     1351: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
                   1352: 		    } else {
                   1353: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
                   1354: 		    }			
1.296     sakharuk 1355: 		}
                   1356: 		$result .= $texversion;
                   1357: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1358: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1359: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1360: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1361: 		$resources_printed .= $urlp.':';
1.301     sakharuk 1362: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1363: 		if ($flag_latex_header_remove ne 'NO') {
                   1364: 		    $texversion = &latex_header_footer_remove($texversion);
                   1365: 		} else {
                   1366: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1367: 		}
                   1368: 		$result .= $texversion;
                   1369: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1370: 	    } else {
1.414     albertel 1371: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1372: 					 $master_seq[$i]);
1.297     sakharuk 1373: 		if ($flag_latex_header_remove ne 'NO') {
                   1374: 		    $texversion = &latex_header_footer_remove($texversion);
                   1375: 		} else {
                   1376: 		    $texversion =~ s/\\end{document}//;
                   1377: 		}
                   1378: 		$result .= $texversion;
                   1379: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1380: 	    }	    
1.331     albertel 1381: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1382: 	}
                   1383: 	&Apache::lonnet::delenv('form.counter');
1.344     foxr     1384: 	if ($flag_page_in_sequence eq 'YES') {
                   1385: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1386: 	}	
1.141     sakharuk 1387: 	$result .= '\end{document}';
1.284     albertel 1388:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1389: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1390: 
                   1391: 
1.150     sakharuk 1392:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1393: 	 my $type;
1.254     sakharuk 1394: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1395: 	     $selectionmade=5;
1.284     albertel 1396: 	     $type='problems';
1.254     sakharuk 1397: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1398: 	     $selectionmade=8;
1.284     albertel 1399: 	     $type='resources';
1.254     sakharuk 1400: 	 }
1.150     sakharuk 1401: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1402: 	 #   The normal sort order is by section then by students within the
                   1403: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1404: 	 #   to override this and output the students by name.
                   1405: 	 #    Each element of the students array is of the form:
                   1406: 	 #       username:domain:section:last, first:status
                   1407: 	 #    
                   1408: 	 #   
                   1409: 	 if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
                   1410: 	     @students = sort compare_names  @students;
                   1411: 	 }
1.278     albertel 1412:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1413: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1414: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1415: 	 }
1.150     sakharuk 1416: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1417: 
1.150     sakharuk 1418: 	 #loop over students
                   1419: 	 my $flag_latex_header_remove = 'NO'; 
                   1420: 	 my %moreenv;
1.330     sakharuk 1421:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1422: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1423: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1424: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1425: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1426: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1427: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1428: 	 my $student_counter=-1;
1.150     sakharuk 1429: 	 foreach my $person (@students) {
1.350     foxr     1430: 
1.373     albertel 1431:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1432: 	     if (-e $duefile) {
                   1433: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1434: 		 print $temp_file "1969\n";
                   1435: 	     }
1.272     sakharuk 1436: 	     $student_counter++;
1.284     albertel 1437: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1.375     foxr     1438: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1439: 						     $person,$type,
                   1440: 						     \%moreenv,\@master_seq,
1.360     albertel 1441: 						     $flag_latex_header_remove,
1.422     albertel 1442: 						     $LaTeXwidth);
1.375     foxr     1443: 	     $resources_printed .= ":";
1.284     albertel 1444: 	     $print_array[$i].=$output;
                   1445: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1446: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1447: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1448: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1449: 	 }
                   1450: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1451: 	 $result .= $print_array[0].'  \end{document}';
                   1452:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1453: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1454: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1455: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1456: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1457: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1458: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     1459: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     1460: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   1461: 
1.381     albertel 1462: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1463: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1464: 	 my ($code_type,$code_length)=('letter',6);
                   1465: 	 foreach my $line (<FH>) {
                   1466: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1467: 	     if ($name eq $code_option) {
                   1468: 		 $code_length=$length;
                   1469: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1470: 	     }
                   1471: 	 }
1.288     albertel 1472: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1473: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 1474:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 1475: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1476: 	 my @allcodes;
                   1477: 	 if ($old_name) {
1.381     albertel 1478: 	     my %result=&Apache::lonnet::get('CODEs',
                   1479: 					     [$old_name,"type\0$old_name"],
                   1480: 					     $cdom,$cnum);
                   1481: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1482: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1483: 	     $num_todo=scalar(@allcodes);
1.389     foxr     1484: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     1485: 	     $num_todo = 1;
                   1486: 	     @allcodes = ($selected_code);
1.385     foxr     1487: 	 } elsif ($single_code) {
                   1488: 
1.387     foxr     1489: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     1490: 	     # If an alpha code have to convert to numbers so it can be
                   1491: 	     # converted back to letters again :-)
                   1492: 	     #
                   1493: 	     if ($code_type ne 'number') {
                   1494: 		 $single_code = &letters_to_num($single_code);
                   1495: 	     }
                   1496: 	     @allcodes = ($single_code);
1.292     albertel 1497: 	 } else {
                   1498: 	     my %allcodes;
1.299     albertel 1499: 	     srand($seed);
1.292     albertel 1500: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1501: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1502: 					    $code_type);
1.292     albertel 1503: 	     }
                   1504: 	     if ($code_name) {
                   1505: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1506: 				      {
                   1507: 					$code_name =>join(',',keys(%allcodes)),
                   1508: 					"type\0$code_name" => $code_type
                   1509: 				      },
1.292     albertel 1510: 				      $cdom,$cnum);
                   1511: 	     }
                   1512: 	     @allcodes=keys(%allcodes);
                   1513: 	 }
1.336     albertel 1514: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1515: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1516: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1517: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1518: 	     $number_per_page=$num_todo;
                   1519: 	 }
                   1520: 	 my $flag_latex_header_remove = 'NO'; 
                   1521: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1522: 	 my $count=0;
1.292     albertel 1523: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1524: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 1525: 	     if ($code_type eq 'number') { 
                   1526: 		 $moreenv{'CODE'}=$code;
                   1527: 	     } else {
                   1528: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   1529: 	     }
1.375     foxr     1530: 	     my ($output,$fullname, $printed)=
1.288     albertel 1531: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1532: 				  \@master_seq,$flag_latex_header_remove,
                   1533: 				  $LaTeXwidth);
1.375     foxr     1534: 	     $resources_printed .= ":";
1.295     albertel 1535: 	     $print_array[$file_num].=$output;
1.288     albertel 1536: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1537: 				       &mt('last assignment').' '.$fullname);
                   1538: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1539: 	     $count++;
1.331     albertel 1540: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1541: 	 }
                   1542: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1543: 	 $result .= $print_array[0].'  \end{document}';
                   1544:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1545:     #prints selected problems from the subdirectory 
                   1546: 	$selectionmade = 6;
                   1547:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1548: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1549: 	my $flag_latex_header_remove = 'NO'; 
                   1550: 	my $rndseed=time;
1.230     albertel 1551: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1552: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1553: 	}
1.151     sakharuk 1554: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1555: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1556: 	    $urlp=~s|//|/|;
1.152     sakharuk 1557: 	    if ($urlp=~/\//) {
1.353     foxr     1558: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1559: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1560: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1561: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1562: 		} else {
1.302     sakharuk 1563: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1564: 		}
1.375     foxr     1565: 		$resources_printed .= $urlp.':';
1.166     albertel 1566: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1567: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1568: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1569: 		    #  Don't permanently pervert %form:
                   1570: 		    my %answerform = %form;
                   1571: 		    $answerform{'grade_target'}='answer';
                   1572: 		    $answerform{'answer_output_mode'}='tex';
                   1573: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1574: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     1575: 		    $resources_printed .= $urlp.':';
1.380     foxr     1576: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.251     sakharuk 1577: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1578: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1579: 		    } else {
1.253     sakharuk 1580: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1581: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1582: 			    $texversion.='\vskip 0 mm \noindent ';
                   1583: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1584: 			} else {
                   1585: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1586: 			    my $URLpath=$urlp;
                   1587: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1588: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1589: 			}
                   1590: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1591: 		    }
1.174     sakharuk 1592: 		}
1.151     sakharuk 1593:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1594: 		my $newurlp=$urlp;
                   1595: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1596: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1597: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1598: 		if ($flag_latex_header_remove ne 'NO') {
                   1599: 		    $texversion = &latex_header_footer_remove($texversion);
                   1600: 		} else {
                   1601: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1602: 		}
                   1603: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1604: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1605: 		}
1.219     sakharuk 1606: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1607: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1608: 		    
                   1609: 		}
1.152     sakharuk 1610: 		$result .= $texversion;
                   1611: 	    }
                   1612: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1613: 	}
1.175     sakharuk 1614: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1615: 	$result .= '\end{document}';      	
1.140     sakharuk 1616:     }
                   1617: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1618:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.408     albertel 1619:     $result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   1620: 				 $helper->{'VARS'}->{'ANSWER_TYPE'});
                   1621:     for (my $i=1;$i<=$#print_array;$i++) {
                   1622: 	$print_array[$i] = 
                   1623: 	    &latex_corrections($number_of_columns,$print_array[$i],
                   1624: 			       $selectionmade, 
                   1625: 			       $helper->{'VARS'}->{'ANSWER_TYPE'});
                   1626:     }
1.190     sakharuk 1627:     #changes page's parameters for the one column output 
1.195     sakharuk 1628:     if ($numberofcolumns == 1) {
1.339     albertel 1629: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1630: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1631: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1632: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1633:     }
1.367     foxr     1634: 
1.140     sakharuk 1635: #-- writing .tex file in prtspool 
                   1636:     my $temp_file;
1.277     albertel 1637:     my $identifier = &Apache::loncommon::get_cgi_id();
1.379     foxr     1638:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.277     albertel 1639:     if (!($#print_array>0)) { 
                   1640: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1641: 	    $r->log_error("Couldn't open $filename for output $!");
                   1642: 	    return SERVER_ERROR; 
                   1643: 	}
                   1644: 	print $temp_file $result;
                   1645: 	my $begin=index($result,'\begin{document}',0);
                   1646: 	my $inc=substr($result,0,$begin+16);
                   1647:     } else {
                   1648: 	my $begin=index($result,'\begin{document}',0);
                   1649: 	my $inc=substr($result,0,$begin+16);
                   1650:         for (my $i=0;$i<=$#print_array;$i++) {
                   1651: 	    if ($i==0) {
                   1652: 		$print_array[$i]=$result;
                   1653: 	    } else {
                   1654: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1655: 		substr($print_array[$i],0,$anobegin)='';
                   1656: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1657: 	    }
1.272     sakharuk 1658: 	    my $temp_file;
1.273     sakharuk 1659: 	    my $newfilename=$filename;
1.277     albertel 1660: 	    my $num=$i+1;
1.379     foxr     1661: 	    $newfilename =~s/\.tex$//; 
                   1662: 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1.272     sakharuk 1663: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1664: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1665: 		return SERVER_ERROR; 
                   1666: 	    }
                   1667: 	    print $temp_file $print_array[$i];
                   1668: 	}
                   1669:     }
1.274     sakharuk 1670:     my $student_names='';
                   1671:     if ($#print_array>0) {
                   1672: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1673: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1674: 	}
1.277     albertel 1675:     } else {
1.278     albertel 1676: 	if ($#student_names>-1) {
                   1677: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1678: 	} else {
1.373     albertel 1679: 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   1680: 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   1681: 				$env{'request.course.sec'},$fullname).
1.278     albertel 1682: 				    '_ENDPERSON_'.'_END_';
                   1683: 	}
1.274     sakharuk 1684:     }
                   1685: 
1.276     sakharuk 1686:     my $URLback=''; #link to original document
                   1687:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1688: 	#prints published resource
1.342     albertel 1689: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1690:     } else {
                   1691: 	#prints resource from the construction space
                   1692: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1693: 	if ($URLback=~/([^?]+)/) {
                   1694: 	    $URLback=$1;
                   1695: 	    $URLback=~s|^/~|/priv/|;
                   1696: 	}
1.276     sakharuk 1697:     }
1.375     foxr     1698:     # logic for now is too complex to trace if this has been defined
                   1699:     #  yet.
                   1700:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1701:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.257     sakharuk 1702:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1703:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1704:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1705: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1706:                             'cgi.'.$identifier.'.selection' => $selectionmade,
1.375     foxr     1707: 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1708: 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.397     albertel 1709: 			    'cgi.'.$identifier.'.role' => $perm{'pav'},
1.375     foxr     1710:                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   1711:                             'cgi.'.$identifier.'.studentnames' => $student_names,
                   1712:                             'cgi.'.$identifier.'.backref' => $URLback,);
                   1713:     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
                   1714: 			    "cgi.$identifier.domain"  => $env{'user.domain'},
                   1715: 			    "cgi.$identifier.courseid" => $cnum, 
                   1716: 			    "cgi.$identifier.coursedom" => $cdom, 
                   1717: 			    "cgi.$identifier.resources" => $resources_printed);
                   1718: 
1.140     sakharuk 1719: $r->print(<<FINALEND);
1.317     albertel 1720: <br />
1.288     albertel 1721: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1722: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.140     sakharuk 1723: </body>
                   1724: </html>
                   1725: FINALEND
                   1726: }
                   1727: 
1.288     albertel 1728: 
                   1729: sub get_CODE {
1.381     albertel 1730:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 1731:     my $max='1'.'0'x$size;
                   1732:     my $newcode;
                   1733:     while(1) {
1.392     albertel 1734: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 1735: 	if (!exists($$all_codes{$newcode})) {
                   1736: 	    $$all_codes{$newcode}=1;
1.381     albertel 1737: 	    if ($type eq 'number' ) {
                   1738: 		return $newcode;
                   1739: 	    } else {
                   1740: 		return &num_to_letters($newcode);
                   1741: 	    }
1.288     albertel 1742: 	}
                   1743:     }
                   1744: }
1.140     sakharuk 1745: 
1.284     albertel 1746: sub print_resources {
1.360     albertel 1747:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 1748: 	$LaTeXwidth)=@_;
1.284     albertel 1749:     my $current_output = ''; 
1.375     foxr     1750:     my $printed = '';
1.284     albertel 1751:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1752:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1753:     my $namepostfix;
1.288     albertel 1754:     if ($person =~ 'anon') {
1.323     sakharuk 1755: 	$namepostfix="\\\\Name: ";
1.288     albertel 1756: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1757:     }
1.350     foxr     1758:     my $i           = 0;
1.284     albertel 1759:     #goes through all resources, checks if they are available for 
                   1760:     #current student, and produces output   
                   1761:     &Apache::lonnet::delenv('form.counter');
                   1762:     &Apache::lonxml::init_counter();
1.403     albertel 1763:     &Apache::lonxml::store_counter();
1.364     albertel 1764:     my %page_breaks  = &get_page_breaks($helper);
1.417     foxr     1765:     my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
                   1766:     my $columns_in_format = $format_array[1];
1.363     foxr     1767: 
1.284     albertel 1768:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1769: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1770: 	    if($i != 0) {
                   1771: 		$current_output.= "\\newpage\n";
                   1772: 	    }
                   1773: 	}
                   1774: 	$i++;
1.284     albertel 1775: 	if ( !($type eq 'problems' && 
                   1776: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1777: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1778: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 1779: 		if ($res_url!~m|^ext/|
1.413     albertel 1780: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1781: 		    $printed .= $curresline.':';
1.403     albertel 1782: 		    my $pre_counter=$env{'form.counter'};
1.373     albertel 1783: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.403     albertel 1784: 		    my ($envfile) =
                   1785: 			( $env{'user.environment'} =~ m|/([^/]+)\.id$| );
                   1786: 		    &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
                   1787: 							     $envfile);
1.373     albertel 1788: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1789: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1790: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1791: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   1792: 			my %answerenv = %{$moreenv};
                   1793: 			$answerenv{'answer_output_mode'}='tex';
                   1794: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.403     albertel 1795: 			&Apache::lonnet::appenv(('form.counter' => $pre_counter));
1.380     foxr     1796: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.305     sakharuk 1797: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1798: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1799: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1800: 			} else {
1.423     foxr     1801: 
                   1802: 			    
                   1803: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1804: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1805: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);			    
                   1806: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   1807: 			    $body     = &encapsulate_minipage($body);
                   1808: 			    $rendered = $header.$body;
1.305     sakharuk 1809: 			}
                   1810: 		    }
                   1811: 		    if ($remove_latex_header eq 'YES') {
                   1812: 			$rendered = &latex_header_footer_remove($rendered);
                   1813: 		    } else {
                   1814: 			$rendered =~ s/\\end{document}//;
                   1815: 		    }
                   1816: 		    $current_output .= $rendered;		    
                   1817: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     1818: 		    $printed .= $curresline.':';
1.373     albertel 1819: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.403     albertel 1820: 		    my ($envfile) = 
1.408     albertel 1821: 			( $env{'user.environment'} =~ m|/([^/]+)\.id$| );
1.403     albertel 1822: 		    &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
                   1823: 							     $envfile);
1.373     albertel 1824: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1825: 		    if ($remove_latex_header eq 'YES') {
                   1826: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1827: 		    } else {
1.305     sakharuk 1828: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1829: 		    }
1.421     foxr     1830: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
                   1831: 
1.284     albertel 1832: 		} else {
1.414     albertel 1833: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 1834: 		    if ($remove_latex_header ne 'NO') {
                   1835: 			$rendered = &latex_header_footer_remove($rendered);
                   1836: 		    } else {
                   1837: 			$rendered =~ s/\\end{document}//;
                   1838: 		    }
                   1839: 		    $current_output .= $rendered;
1.284     albertel 1840: 		}
                   1841: 	    }
                   1842: 	    $remove_latex_header = 'YES';
                   1843: 	}
1.331     albertel 1844: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1845:     }
                   1846:     my $courseidinfo = &get_course();
                   1847:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1848:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1849:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1850:     if ($current_output=~/\\documentclass/) {
1.417     foxr     1851: 	if ($columns_in_format == 1) {
1.416     foxr     1852: 	    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
                   1853: 	} else {
                   1854: 	    	    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
                   1855: 
                   1856: 	}
1.284     albertel 1857:     } else {
                   1858: 	my $blankpages = '';
                   1859: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.417     foxr     1860: 	if ($columns_in_format == 1) {
1.416     foxr     1861: 	    $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
                   1862: 	} else {
                   1863: 	   $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
                   1864: 	}
1.284     albertel 1865:     }
1.375     foxr     1866:     return ($current_output,$fullname, $printed);
1.284     albertel 1867: 
                   1868: }
1.140     sakharuk 1869: 
1.3       sakharuk 1870: sub handler {
                   1871: 
                   1872:     my $r = shift;
1.397     albertel 1873:     
                   1874:     &init_perm();
1.114     bowersj2 1875: 
1.416     foxr     1876: 
1.67      www      1877: 
1.397     albertel 1878:     my $helper = printHelper($r);
                   1879:     if (!ref($helper)) {
                   1880: 	return $helper;
1.60      sakharuk 1881:     }
1.177     sakharuk 1882:    
1.184     sakharuk 1883: 
1.373     albertel 1884:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     1885:  
1.416     foxr     1886: 
1.350     foxr     1887: 
                   1888: 
1.367     foxr     1889:     #  If a figure conversion queue file exists for this user.domain
                   1890:     # we delete it since it can only be bad (if it were good, printout.pl
                   1891:     # would have deleted it the last time around.
                   1892: 
1.373     albertel 1893:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     1894:     if(-e $conversion_queuefile) {
                   1895: 	unlink $conversion_queuefile;
                   1896:     }
1.184     sakharuk 1897:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1898:     return OK;
1.60      sakharuk 1899: } 
1.2       sakharuk 1900: 
1.131     bowersj2 1901: use Apache::lonhelper;
1.130     sakharuk 1902: 
1.223     bowersj2 1903: sub addMessage {
                   1904:     my $text = shift;
                   1905:     my $paramHash = Apache::lonhelper::getParamHash();
                   1906:     $paramHash->{MESSAGE_TEXT} = $text;
                   1907:     Apache::lonhelper::message->new();
                   1908: }
                   1909: 
1.416     foxr     1910: 
1.238     bowersj2 1911: 
1.397     albertel 1912: sub init_perm {
                   1913:     undef(%perm);
                   1914:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   1915:     if (!$perm{'pav'}) {
                   1916: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   1917: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   1918:     }
                   1919:     $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   1920:     if (!$perm{'pfo'}) {
                   1921: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   1922: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   1923:     }
                   1924: }
                   1925: 
1.131     bowersj2 1926: sub printHelper {
1.115     bowersj2 1927:     my $r = shift;
                   1928: 
                   1929:     if ($r->header_only) {
1.373     albertel 1930:         if ($env{'browser.mathml'}) {
1.241     www      1931:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1932:         } else {
1.241     www      1933:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1934:         }
                   1935:         $r->send_http_header;
                   1936:         return OK;
1.115     bowersj2 1937:     }
                   1938: 
1.131     bowersj2 1939:     # Send header, nocache
1.373     albertel 1940:     if ($env{'browser.mathml'}) {
1.241     www      1941:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1942:     } else {
1.241     www      1943:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1944:     }
                   1945:     &Apache::loncommon::no_cache($r);
                   1946:     $r->send_http_header;
                   1947:     $r->rflush();
                   1948: 
1.131     bowersj2 1949:     # Unfortunately, this helper is so complicated we have to
                   1950:     # write it by hand
                   1951: 
                   1952:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1953:     
1.176     bowersj2 1954:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1955:     $helper->declareVar('symb');
1.156     bowersj2 1956:     $helper->declareVar('postdata');    
1.290     sakharuk 1957:     $helper->declareVar('curseed'); 
                   1958:     $helper->declareVar('probstatus');   
1.156     bowersj2 1959:     $helper->declareVar('filename');
                   1960:     $helper->declareVar('construction');
1.178     sakharuk 1961:     $helper->declareVar('assignment');
1.262     sakharuk 1962:     $helper->declareVar('style_file');
1.340     foxr     1963:     $helper->declareVar('student_sort');
1.363     foxr     1964:     $helper->declareVar('FINISHPAGE');
1.366     foxr     1965:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     1966:     $helper->declareVar("showallfoils");
1.363     foxr     1967: 
                   1968:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     1969:     # But we only do this in the initial state so that they are allowed to change.
                   1970:     #
1.366     foxr     1971: 
1.416     foxr     1972:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     1973:     
                   1974:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     1975: 						{'pagebreaks'  => 'scalar',
                   1976: 					         'lastprinttype' => 'scalar'});
                   1977:     
1.394     foxr     1978:     
                   1979:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   1980: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   1981: 	    
                   1982: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   1983: 	} else {
                   1984: 	    my $state = $env{"form.CURRENT_STATE"};
                   1985: 	    if ($state eq "START") {
                   1986: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   1987: 	    }
                   1988: 	}
                   1989: 	
1.366     foxr     1990:     }
1.416     foxr     1991: 
1.131     bowersj2 1992:     
                   1993:     # This will persistently load in the data we want from the
                   1994:     # very first screen.
1.156     bowersj2 1995:     # Detect whether we're coming from construction space
1.373     albertel 1996:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1997:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1998:         $helper->{VARS}->{'construction'} = 1;
                   1999:     } else {
1.373     albertel 2000:         if ($env{'form.postdata'}) {
                   2001:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.156     bowersj2 2002:         }
1.373     albertel 2003:         if ($env{'form.symb'}) {
                   2004:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 2005:         }
1.373     albertel 2006:         if ($env{'form.url'}) {
1.156     bowersj2 2007:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   2008:         }
1.416     foxr     2009: 
1.157     bowersj2 2010:     }
1.156     bowersj2 2011: 
1.373     albertel 2012:     if ($env{'form.symb'}) {
                   2013:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 2014:     }
1.373     albertel 2015:     if ($env{'form.url'}) {
1.140     sakharuk 2016:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 2017: 
1.140     sakharuk 2018:     }
1.343     albertel 2019:     $helper->{VARS}->{'symb'}=
                   2020: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 2021:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 2022:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 2023: 
1.156     bowersj2 2024:     
1.146     bowersj2 2025:     # Extract map
                   2026:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 2027:     my ($map, $id, $url);
                   2028:     my $subdir;
                   2029: 
                   2030:     # Get the resource name from construction space
                   2031:     if ($helper->{VARS}->{'construction'}) {
                   2032:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   2033:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   2034:         $subdir = substr($helper->{VARS}->{'filename'},
                   2035:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   2036:     } else {
1.233     www      2037:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 2038:         $helper->{VARS}->{'postdata'} = 
                   2039: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 2040: 
1.156     bowersj2 2041:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 2042:             my $postdata = $helper->{VARS}->{'postdata'};
                   2043:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 2044:         }
                   2045:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 2046:     }
1.373     albertel 2047:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   2048: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 2049:     }
1.373     albertel 2050:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   2051: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1.290     sakharuk 2052:     }
1.115     bowersj2 2053: 
1.192     bowersj2 2054:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   2055: 
1.131     bowersj2 2056:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 2057: 
1.131     bowersj2 2058:     # "Delete everything after the last slash."
1.119     bowersj2 2059:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 2060:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 2061: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 2062:     }
1.189     bowersj2 2063:     # "Remove all duplicate slashes."
                   2064:     $subdir =~ s|/+|/|g;
1.119     bowersj2 2065: 
1.131     bowersj2 2066:     # What can be printed is a very dynamic decision based on
                   2067:     # lots of factors. So we need to dynamically build this list.
                   2068:     # To prevent security leaks, states are only added to the wizard
                   2069:     # if they can be reached, which ensures manipulating the form input
                   2070:     # won't allow anyone to reach states they shouldn't have permission
                   2071:     # to reach.
                   2072: 
                   2073:     # printChoices is tracking the kind of printing the user can
                   2074:     # do, and will be used in a choices construction later.
                   2075:     # In the meantime we will be adding states and elements to
                   2076:     # the helper by hand.
                   2077:     my $printChoices = [];
                   2078:     my $paramHash;
1.130     sakharuk 2079: 
1.240     albertel 2080:     if ($resourceTitle) {
1.291     sakharuk 2081:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 2082:     }
                   2083: 
1.238     bowersj2 2084:     # Useful filter strings
1.287     albertel 2085:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 2086:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 2087:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   2088:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 2089:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   2090:     my $isMap = '$res->is_map()';
1.342     albertel 2091:     my $symbFilter = '$res->shown_symb()';
                   2092:     my $urlValue = '$res->link()';
1.238     bowersj2 2093: 
                   2094:     $helper->declareVar('SEQUENCE');
                   2095: 
1.416     foxr     2096: 
1.238     bowersj2 2097: 
1.131     bowersj2 2098:     # If we're in a sequence...
1.235     bowersj2 2099:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     2100: 
1.243     bowersj2 2101: 	$helper->{VARS}->{'postdata'} &&
                   2102: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 2103:         # Allow problems from sequence
1.291     sakharuk 2104:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 2105:         # Allow all resources from sequence
1.291     sakharuk 2106:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 2107: 
1.131     bowersj2 2108:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 2109:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   2110:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2111:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2112:               closeallpages="1">
1.144     bowersj2 2113:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2114:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 2115:       <mapurl>$map</mapurl>
1.238     bowersj2 2116:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2117:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 2118:       </resource>
                   2119:     </state>
                   2120: 
1.155     sakharuk 2121:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   2122:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2123:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2124:               closeallpages="1">
1.144     bowersj2 2125:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 2126:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2127:       <mapurl>$map</mapurl>
1.238     bowersj2 2128:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2129:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 2130:       </resource>
                   2131:     </state>
                   2132: HELPERFRAGMENT
1.121     bowersj2 2133: 
1.326     sakharuk 2134: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2135:     }
                   2136: 
1.397     albertel 2137:     # If the user has pfo (print for otheres) allow them to print all 
1.354     foxr     2138:     # problems and resources  in the entier course, optionally for selected students
1.397     albertel 2139:     if ($perm{'pfo'} && 
1.306     sakharuk 2140:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     2141: 
1.254     sakharuk 2142:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     2143: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 2144:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2145:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   2146:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2147:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2148: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2149:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2150:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2151:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2152:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2153:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 2154:     </resource>
                   2155:   </state>
1.354     foxr     2156:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2157:     <message>(Mark them then click "next" button) <br /> </message>
                   2158:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2159:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2160:       <nextstate>PAGESIZE</nextstate>
                   2161:       <filterfunc>return $isNotMap; </filterfunc>
                   2162:       <valuefunc>return $symbFilter;</valuefunc>
                   2163:       <option text='NewPage' variable='FINISHPAGE' />
                   2164:     </resource>
                   2165:   </state>
1.284     albertel 2166: ALL_PROBLEMS
1.132     bowersj2 2167: 
1.284     albertel 2168: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2169: 	    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'];
                   2170: 	    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'];
1.284     albertel 2171: 	}
1.424     foxr     2172: 
                   2173: 	# resource_selector will hold a few states that:
                   2174: 	#   - Allow resources to be selected for printing.
                   2175: 	#   - Determine pagination between assignments.
                   2176: 	#   - Determine how many assignments should be bundled into a single PDF.
                   2177:         # TODO:
                   2178: 	#    Probably good to do things like separate this up into several vars, each
                   2179: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   2180: 	#    and next states for better mix and match capability
                   2181: 	#
1.284     albertel 2182: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2183:     <state name="SELECT_PROBLEMS" title="Select resources to print">
                   2184:    <nextstate>PRINT_FORMATTING</nextstate> 
1.284     albertel 2185:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2186:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2187:               closeallpages="1">
1.254     sakharuk 2188:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2189:       <mapurl>$map</mapurl>
1.254     sakharuk 2190:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2191:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 2192:       </resource>
1.424     foxr     2193:     </state>
                   2194:     <state name="PRINT_FORMATTING" title="How should results be printed?">
                   2195:     <nextstate>NUMBER_PER_PDF</nextstate>
1.155     sakharuk 2196:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2197:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2198:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2199:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2200:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2201:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2202:     </choices>
1.424     foxr     2203:     </state>
                   2204:     <state name="NUMBER_PER_PDF" title="Number printed at once">
                   2205:     <nextstate>PAGESIZE</nextstate>
1.284     albertel 2206:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   2207:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1.424     foxr     2208:     </state>
1.284     albertel 2209: RESOURCE_SELECTOR
                   2210: 
                   2211:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2212:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.352     foxr     2213:       <message><b>Select sort order</b> </message>
1.340     foxr     2214:     <choices variable='student_sort'>
                   2215:       <choice computer='0'>Sort by section then student</choice>
                   2216:       <choice computer='1'>Sort by students across sections.</choice>
                   2217:     </choices>
1.425     foxr     2218:       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
1.424     foxr     2219:   </state>
1.284     albertel 2220:     $resource_selector
1.131     bowersj2 2221: CHOOSE_STUDENTS
1.292     albertel 2222: 
1.373     albertel 2223: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2224: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2225:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2226: 	my $namechoice='<choice></choice>';
1.337     albertel 2227: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2228: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2229: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2230: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2231: 	}
1.389     foxr     2232: 
                   2233: 
                   2234: 	my %code_values;
1.405     albertel 2235: 	my %codes_to_print;
1.411     albertel 2236: 	foreach my $key (@names) {
1.389     foxr     2237: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 2238: 	    foreach my $key (keys(%code_values)) {
                   2239: 		$codes_to_print{$key} = 1;
1.388     foxr     2240: 	    }
                   2241: 	}
1.389     foxr     2242: 
1.388     foxr     2243: 	my $code_selection = "<choice></choice>\n";
1.405     albertel 2244: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     2245: 	    my $choice  = $code;
                   2246: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2247: 		$choice = &letters_to_num($code);
                   2248: 	    }
                   2249: 	    $code_selection .= '   <choice computer="'.$choice.'">'.$code."</choice>\n";
1.388     foxr     2250: 	}
1.381     albertel 2251: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2252: 	my $codechoice='';
                   2253: 	foreach my $line (<FH>) {
                   2254: 	    my ($name,$description,$code_type,$code_length)=
                   2255: 		(split(/:/,$line))[0,1,2,4];
                   2256: 	    if ($code_length > 0 && 
                   2257: 		$code_type =~/^(letter|number|-1)/) {
                   2258: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2259: 	    }
                   2260: 	}
                   2261: 	if ($codechoice eq '') {
                   2262: 	    $codechoice='<choice computer="default">Default</choice>';
                   2263: 	}
1.284     albertel 2264:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   2265:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.424     foxr     2266:     <nextstate>SELECT_PROBLEMS</nextstate>
1.412     albertel 2267:     <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
1.362     albertel 2268:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2269:        <validator>
                   2270: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2271: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2272:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   2273: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2274: 	    return "You need to specify the number of assignments to print";
                   2275: 	}
                   2276: 	return undef;
                   2277:        </validator>
                   2278:     </string>
                   2279:     <message></td></tr><tr><td></message>
1.412     albertel 2280:     <message><b>Names to store the CODEs under for later:</b></message>
                   2281:     <message></td><td></message>
                   2282:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2283:     <message></td></tr><tr><td></message>
                   2284:     <message><b>Bubble sheet type:</b></message>
                   2285:     <message></td><td></message>
                   2286:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2287:     $codechoice
                   2288:     </dropdown>
                   2289:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2290:     <message></td></tr><tr><td></message>
                   2291:     <message><b>Enter a CODE to print:</b></td><td></message>
                   2292:     <string variable="SINGLE_CODE" size="10">
1.382     foxr     2293:         <validator>
                   2294: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2295: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2296: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     2297: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2298: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2299: 	   } else {
                   2300: 	       return undef;	# Other forces control us.
                   2301: 	   }
                   2302:         </validator>
                   2303:     </string>
1.412     albertel 2304:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2305:     <message><b>Reprint a set of saved CODEs:</b></message>
1.381     albertel 2306:     <message></td><td></message>
1.292     albertel 2307:     <dropdown variable="REUSE_OLD_CODES">
                   2308:         $namechoice
                   2309:     </dropdown>
1.412     albertel 2310:     <message></td></tr></table></message>
1.284     albertel 2311:     <message><hr width='33%' /></message>
                   2312:   </state>
1.424     foxr     2313:   $resource_selector
1.284     albertel 2314: CHOOSE_ANON1
1.254     sakharuk 2315: 
1.272     sakharuk 2316: 
1.254     sakharuk 2317: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2318: 	    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'];
                   2319: 	    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'];
1.254     sakharuk 2320: 	}
1.284     albertel 2321: 	    
                   2322: 
                   2323: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2324:     <state name="SELECT_RESOURCES" title="Select Resources">
                   2325:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 2326:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2327:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2328:               closeallpages="1">
1.254     sakharuk 2329:       <filterfunc>return $isNotMap;</filterfunc>
                   2330:       <mapurl>$map</mapurl>
                   2331:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2332:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 2333:       </resource>
1.424     foxr     2334:     </state>
                   2335:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   2336:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 2337:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2338:     <choices variable="EMPTY_PAGES">
                   2339:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2340:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2341:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2342:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2343:     </choices>
1.424     foxr     2344:     </state>
                   2345:     <state name="NUMBER_PER_PDF title="Number assingnments per pdf">
                   2346:     <nextstate>PAGESIZE</nextstate>
1.284     albertel 2347:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   2348:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1.424     foxr     2349:     </state>
1.284     albertel 2350: RESOURCE_SELECTOR
                   2351: 
                   2352: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2353:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     2354:     <choices variable='student_sort'>
                   2355:       <choice computer='0'>Sort by section then student</choice>
                   2356:       <choice computer='1'>Sort by students across sections.</choice>
                   2357:     </choices>
1.426   ! foxr     2358:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     2359: 
1.424     foxr     2360:     </state>
1.284     albertel 2361:     $resource_selector
1.254     sakharuk 2362: CHOOSE_STUDENTS1
                   2363: 
1.284     albertel 2364: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   2365:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.424     foxr     2366:     <nextstate>SELECT_RESOURCES</nextstate>
1.412     albertel 2367:     <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
1.362     albertel 2368:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2369:        <validator>
                   2370: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     2371: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2372: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   2373: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2374: 	    return "You need to specify the number of assignments to print";
                   2375: 	}
                   2376: 	return undef;
                   2377:        </validator>
                   2378:     </string>
                   2379:     <message></td></tr><tr><td></message>
1.412     albertel 2380:     <message><b>Names to store the CODEs under for later:</b></message>
                   2381:     <message></td><td></message>
                   2382:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2383:     <message></td></tr><tr><td></message>
                   2384:     <message><b>Bubble sheet type:</b></message>
                   2385:     <message></td><td></message>
                   2386:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2387:     $codechoice
                   2388:     </dropdown>
                   2389:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2390:     <message></td></tr><tr><td></message>
                   2391:     <message><b>Enter a CODE to print:</b></td><td></message>
                   2392:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     2393:         <validator>
                   2394: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2395: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2396: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     2397: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2398: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2399: 	   } else {
                   2400: 	       return undef;	# Other forces control us.
                   2401: 	   }
                   2402:         </validator>
                   2403:     </string>
1.412     albertel 2404:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2405:     <message><b>Reprint a set of saved CODEs:</b></message>
1.381     albertel 2406:     <message></td><td></message>
1.294     albertel 2407:     <dropdown variable="REUSE_OLD_CODES">
                   2408:         $namechoice
                   2409:     </dropdown>
1.412     albertel 2410:     <message></td></tr></table></message>
1.284     albertel 2411:     <message><hr width='33%' /></message>
1.424     foxr     2412:   </state>
1.284     albertel 2413:     $resource_selector
                   2414: CHOOSE_ANON2
1.121     bowersj2 2415:     }
                   2416: 
                   2417:     # FIXME: That RE should come from a library somewhere.
1.397     albertel 2418:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 2419:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2420: 
1.131     bowersj2 2421:         my $f = '$filename';
1.139     bowersj2 2422:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2423:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   2424:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 2425:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2426:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2427:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2428: CHOOSE_FROM_SUBDIR
                   2429:         
1.238     bowersj2 2430:         # this is broken up because I really want interpolation above,
                   2431:         # and I really DON'T want it below
1.139     bowersj2 2432:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2433:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2434: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2435:       </filefilter>
1.138     bowersj2 2436:       </files>
1.131     bowersj2 2437:     </state>
                   2438: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2439:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2440:     }
1.238     bowersj2 2441: 
                   2442:     # Allow the user to select any sequence in the course, feed it to
                   2443:     # another resource selector for that sequence
1.239     bowersj2 2444:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 2445: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 2446: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2447: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2448: 	#Escape apostrophes and backslashes for Perl
                   2449: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2450: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2451: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2452:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2453:     <message>Select the sequence to print resources from:</message>
                   2454:     <resource variable="SEQUENCE">
                   2455:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2456:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2457:       <valuefunc>return $urlValue;</valuefunc>
1.391     foxr     2458:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   2459: 	</choicefunc>
1.238     bowersj2 2460:       </resource>
                   2461:     </state>
                   2462:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2463:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2464:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2465:               closeallpages="1">
1.238     bowersj2 2466:       <nextstate>PAGESIZE</nextstate>
                   2467:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2468:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2469:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2470:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2471:       </resource>
                   2472:     </state>
                   2473: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2474: }
1.131     bowersj2 2475: 
                   2476:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2477:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2478:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2479:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2480:     Apache::lonhelper::message->new();
                   2481:     $paramHash = Apache::lonhelper::getParamHash();
                   2482:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2483:     $paramHash->{CHOICES} = $printChoices;
                   2484:     Apache::lonhelper::choices->new();
1.161     bowersj2 2485: 
1.223     bowersj2 2486:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2487:                           # to close it later)
                   2488: 
1.397     albertel 2489:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 2490: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2491: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2492:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2493: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2494: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2495:         $paramHash->{CHOICES} = [
1.242     sakharuk 2496:                                    ['Without Answers', 'yes'],
                   2497:                                    ['With Answers', 'no'],
1.368     albertel 2498:                                    ['Only Answers', 'only']
1.289     sakharuk 2499:                                 ];
1.210     sakharuk 2500:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2501: 	addMessage("</td></tr>");
                   2502: 	$startedTable = 1;
1.161     bowersj2 2503:     }
1.209     sakharuk 2504: 
1.397     albertel 2505:     if ($perm{'pav'}) {
1.223     bowersj2 2506: 	if (!$startedTable) {
                   2507: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2508: 	    $startedTable = 1;
                   2509: 	} else {
                   2510: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2511: 	}
1.203     sakharuk 2512:         $paramHash = Apache::lonhelper::getParamHash();
                   2513: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2514: 	$helper->declareVar('LATEX_TYPE');  
                   2515: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2516: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2517: 				     ['standard LaTeX mode', 'standard'], 
                   2518: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2519: 	} else {
                   2520: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2521: 				     ['LaTeX batchmode', 'batchmode'],
                   2522: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2523: 	}
1.210     sakharuk 2524:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2525:  
1.223     bowersj2 2526: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2527:         $paramHash = Apache::lonhelper::getParamHash();
                   2528: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2529: 	$helper->declareVar('TABLE_CONTENTS');         
                   2530:         $paramHash->{CHOICES} = [
1.223     bowersj2 2531:                                    ['No', 'no'],
                   2532:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2533:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2534: 	addMessage("</td></tr>");
1.214     sakharuk 2535:         
1.220     sakharuk 2536: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2537: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2538: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2539: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2540: 	    $helper->declareVar('TABLE_INDEX');         
                   2541: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2542: 				     ['No', 'no'],
                   2543: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2544: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2545: 	    addMessage("</td></tr>");
1.309     sakharuk 2546: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2547: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2548: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2549: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2550: 	    $paramHash->{CHOICES} = [
                   2551: 				     ['No', 'no'],
                   2552: 				     ['Yes', 'yes'] ];
                   2553: 	    Apache::lonhelper::dropdown->new();
                   2554: 	    addMessage("</td></tr>");
1.372     foxr     2555: 
1.397     albertel 2556: 	    addMessage("<tr><td align = 'right'>  </td><td>");
                   2557: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2558: 	    $paramHash->{'multichoice'} = "true";
                   2559: 	    $paramHash->{'allowempty'}  = "true";
                   2560: 	    $paramHash->{'variable'}   = "showallfoils";
                   2561: 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   2562: 	    Apache::lonhelper::choices->new();
                   2563: 	    addMessage("</td></tr>");
1.220     sakharuk 2564: 	}
1.219     sakharuk 2565: 
1.230     albertel 2566: 	if ($helper->{'VARS'}->{'construction'}) { 
1.373     albertel 2567: 	    my $stylevalue=$env{'construct.style'};
1.265     sakharuk 2568: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2569: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2570: 	    <string variable="curseed" size="15" maxlength="15">
                   2571: 		<defaultvalue>
                   2572: 	            return $helper->{VARS}->{'curseed'};
                   2573: 	        </defaultvalue>
1.262     sakharuk 2574: 	    </string>
1.264     sakharuk 2575: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.415     albertel 2576:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
1.371     foxr     2577: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2578:                 <choice computer="1">Show all foils?</choice>
                   2579:              </choices>
1.378     albertel 2580: 	     <message></td></tr></message>
1.230     albertel 2581: RNDSEED
                   2582:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.373     albertel 2583: 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
1.371     foxr     2584: 	    
1.372     foxr     2585: 	} 
1.223     bowersj2 2586:     }
1.264     sakharuk 2587: 
                   2588: 
                   2589: 
1.218     sakharuk 2590: 
1.223     bowersj2 2591:     if ($startedTable) {
                   2592: 	addMessage("</table>");
1.215     sakharuk 2593:     }
1.161     bowersj2 2594: 
1.131     bowersj2 2595:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2596: 
1.144     bowersj2 2597:     # Generate the PAGESIZE state which will offer the user the margin
                   2598:     # choices if they select one column
                   2599:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2600:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2601: 
                   2602: 
1.131     bowersj2 2603:     $helper->process();
                   2604: 
1.416     foxr     2605: 
1.131     bowersj2 2606:     # MANUAL BAILOUT CONDITION:
                   2607:     # If we're in the "final" state, bailout and return to handler
                   2608:     if ($helper->{STATE} eq 'FINAL') {
                   2609:         return $helper;
                   2610:     }    
1.130     sakharuk 2611: 
1.131     bowersj2 2612:     $r->print($helper->display());
1.395     www      2613:     if ($helper->{STATE} eq 'START') {
                   2614: 	&recently_generated($r);
                   2615:     }
1.333     albertel 2616:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2617: 
                   2618:     return OK;
                   2619: }
                   2620: 
1.1       www      2621: 
                   2622: 1;
1.119     bowersj2 2623: 
                   2624: package Apache::lonprintout::page_format_state;
                   2625: 
                   2626: =pod
                   2627: 
1.131     bowersj2 2628: =head1 Helper element: page_format_state
                   2629: 
                   2630: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2631: 
1.131     bowersj2 2632: Apache::lonprintout::page_format_state is an element that gives the 
                   2633: user an opportunity to select the page layout they wish to print 
                   2634: with: Number of columns, portrait/landscape, and paper size. If you 
                   2635: want to change the paper size choices, change the @paperSize array 
                   2636: contents in this package.
1.119     bowersj2 2637: 
1.131     bowersj2 2638: page_format_state is always directly invoked in lonprintout.pm, so there
                   2639: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2640: 
                   2641: =over 4
                   2642: 
1.131     bowersj2 2643: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2644: 
                   2645: =back
                   2646: 
                   2647: =cut
                   2648: 
1.131     bowersj2 2649: use Apache::lonhelper;
1.119     bowersj2 2650: 
                   2651: no strict;
1.131     bowersj2 2652: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2653: use strict;
1.266     sakharuk 2654: use Apache::lonlocal;
1.373     albertel 2655: use Apache::lonnet;
1.119     bowersj2 2656: 
                   2657: my $maxColumns = 2;
1.376     albertel 2658: # it'd be nice if these all worked
                   2659: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   2660: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   2661: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2662: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 2663: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 2664: 		 "a4 [210x297 mm]");
1.119     bowersj2 2665: 
                   2666: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2667: #                   Paper type
                   2668: 
                   2669: sub new { 
1.131     bowersj2 2670:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2671: 
1.135     bowersj2 2672:     shift;
                   2673: 
1.131     bowersj2 2674:     $self->{'variable'} = shift;
1.134     bowersj2 2675:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2676:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2677:     bless($self);
1.119     bowersj2 2678:     return $self;
                   2679: }
                   2680: 
                   2681: sub render {
                   2682:     my $self = shift;
1.131     bowersj2 2683:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2684:     my $result = '';
1.131     bowersj2 2685:     my $var = $self->{'variable'};
1.266     sakharuk 2686:     my $PageLayout=&mt('Page layout');
                   2687:     my $NumberOfColumns=&mt('Number of columns');
                   2688:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2689:     $result .= <<STATEHTML;
                   2690: 
1.223     bowersj2 2691: <hr width="33%" />
1.119     bowersj2 2692: <table cellpadding="3">
                   2693:   <tr>
1.266     sakharuk 2694:     <td align="center"><b>$PageLayout</b></td>
                   2695:     <td align="center"><b>$NumberOfColumns</b></td>
                   2696:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2697:   </tr>
                   2698:   <tr>
                   2699:     <td>
1.376     albertel 2700:       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
                   2701:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
1.119     bowersj2 2702:     </td>
1.155     sakharuk 2703:     <td align="center">
1.119     bowersj2 2704:       <select name="${var}.cols">
                   2705: STATEHTML
                   2706: 
                   2707:     my $i;
                   2708:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2709:         if ($i == 2) {
1.119     bowersj2 2710:             $result .= "<option value='$i' selected>$i</option>\n";
                   2711:         } else {
                   2712:             $result .= "<option value='$i'>$i</option>\n";
                   2713:         }
                   2714:     }
                   2715: 
                   2716:     $result .= "</select></td><td>\n";
                   2717:     $result .= "<select name='${var}.paper'>\n";
                   2718: 
1.373     albertel 2719:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 2720:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   2721:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 2722:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2723:     $i = 0;
                   2724:     foreach (@paperSize) {
1.326     sakharuk 2725: 	$_=~/(\w+)/;
                   2726: 	my $papersize=$1;
1.304     sakharuk 2727:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2728:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2729:         } else {
1.326     sakharuk 2730:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2731:         }
                   2732:         $i++;
                   2733:     }
                   2734:     $result .= "</select></td></tr></table>";
                   2735:     return $result;
1.135     bowersj2 2736: }
                   2737: 
                   2738: sub postprocess {
                   2739:     my $self = shift;
                   2740: 
                   2741:     my $var = $self->{'variable'};
1.136     bowersj2 2742:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2743:     $helper->{VARS}->{$var} = 
1.373     albertel 2744:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   2745:         $env{"form.$var.paper"};
1.135     bowersj2 2746:     return 1;
1.119     bowersj2 2747: }
                   2748: 
                   2749: 1;
1.144     bowersj2 2750: 
                   2751: package Apache::lonprintout::page_size_state;
                   2752: 
                   2753: =pod
                   2754: 
                   2755: =head1 Helper element: page_size_state
                   2756: 
                   2757: See lonhelper.pm documentation for discussion of the helper framework.
                   2758: 
                   2759: Apache::lonprintout::page_size_state is an element that gives the 
                   2760: user the opportunity to further refine the page settings if they
                   2761: select a single-column page.
                   2762: 
                   2763: page_size_state is always directly invoked in lonprintout.pm, so there
                   2764: is no tag interface. You actually pass parameters to the constructor.
                   2765: 
                   2766: =over 4
                   2767: 
                   2768: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2769: 
                   2770: =back
                   2771: 
                   2772: =cut
                   2773: 
                   2774: use Apache::lonhelper;
1.373     albertel 2775: use Apache::lonnet;
1.144     bowersj2 2776: no strict;
                   2777: @ISA = ("Apache::lonhelper::element");
                   2778: use strict;
                   2779: 
                   2780: 
                   2781: 
                   2782: sub new { 
                   2783:     my $self = Apache::lonhelper::element->new();
                   2784: 
                   2785:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2786:            # package descriptor)... - Jeremy
                   2787: 
                   2788:     $self->{'variable'} = shift;
                   2789:     my $helper = Apache::lonhelper::getHelper();
                   2790:     $helper->declareVar($self->{'variable'});
                   2791: 
                   2792:     # The variable name of the format element, so we can look into 
                   2793:     # $helper->{VARS} to figure out whether the columns are one or two
                   2794:     $self->{'formatvar'} = shift;
                   2795: 
                   2796:     # The state to transition to after selection, or after discovering
                   2797:     # the cols are not set to 1
                   2798:     $self->{NEXTSTATE} = shift;
                   2799:     bless($self);
                   2800:     return $self;
                   2801: }
                   2802: 
                   2803: sub render {
                   2804:     my $self = shift;
                   2805:     my $helper = Apache::lonhelper::getHelper();
                   2806:     my $result = '';
                   2807:     my $var = $self->{'variable'};
                   2808: 
                   2809:     if (defined $self->{ERROR_MSG}) {
                   2810:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2811:     }
                   2812: 
                   2813:     $result .= <<ELEMENTHTML;
                   2814: 
                   2815: <p>How should the column be formatted?</p>
                   2816: 
                   2817: <table cellpadding='3'>
                   2818:   <tr>
                   2819:     <td align='right'><b>Width</b>:</td>
                   2820:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2821:     <td align='left'>
                   2822:       <select name='$var.widthunit'>
                   2823:         <option>cm</option><option>in</option>
                   2824:       </select>
                   2825:     </td>
                   2826:   </tr>
                   2827:   <tr>
                   2828:     <td align='right'><b>Height</b>:</td>
                   2829:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2830:     <td align='left'>
                   2831:       <select name='$var.heightunit'>
                   2832:         <option>cm</option><option>in</option>
                   2833:       </select>
                   2834:     </td>
                   2835:   </tr>
                   2836:   <tr>
                   2837:     <td align='right'><b>Left margin</b>:</td>
                   2838:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2839:     <td align='left'>
1.186     bowersj2 2840:       <select name='$var.lmarginunit'>
1.144     bowersj2 2841:         <option>cm</option><option>in</option>
                   2842:       </select>
                   2843:     </td>
                   2844:   </tr>
                   2845: </table>
                   2846: 
                   2847: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2848: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2849: 
                   2850: ELEMENTHTML
                   2851: 
                   2852:     return $result;
                   2853: }
                   2854: 
                   2855: # If the user didn't select 1 column, skip this state.
                   2856: sub preprocess {
                   2857:     my $self = shift;
                   2858:     my $helper = Apache::lonhelper::getHelper();
                   2859: 
                   2860:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2861:     if (substr($format, 2, 1) ne '1') {
                   2862:         $helper->changeState($self->{NEXTSTATE});
                   2863:     }
                   2864:    
                   2865:     return 1;
                   2866: }
                   2867: 
                   2868: sub postprocess {
                   2869:     my $self = shift;
                   2870: 
                   2871:     my $var = $self->{'variable'};
                   2872:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 2873:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   2874:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   2875:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   2876:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   2877:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   2878:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 2879: 
                   2880:     my $error = '';
                   2881: 
                   2882:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2883:     # by an optional period, followed by digits, ending the string
                   2884: 
                   2885:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2886:         $error .= "Invalid width; please type only a number.<br />\n";
                   2887:     }
                   2888:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2889:         $error .= "Invalid height; please type only a number.<br />\n";
                   2890:     }
                   2891:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2892:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2893:     }
                   2894: 
                   2895:     if (!$error) {
                   2896:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2897:         return 1;
                   2898:     } else {
                   2899:         $self->{ERROR_MSG} = $error;
                   2900:         return 0;
                   2901:     }
                   2902: }
                   2903: 
                   2904: 
1.119     bowersj2 2905: 
1.1       www      2906: __END__
1.6       sakharuk 2907: 

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