Annotation of loncom/interface/lonprintout.pm, revision 1.431

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.431   ! albertel    4: # $Id: lonprintout.pm,v 1.430 2006/03/15 16:17:53 albertel 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;
1.429     foxr       44: use Carp;
1.60      sakharuk   45: 
1.397     albertel   46: my %perm;
                     47: 
1.385     foxr       48: #
                     49: #   Convert a numeric code to letters
                     50: #
                     51: sub num_to_letters {
                     52:     my ($num) = @_;
                     53:     my @nums= split('',$num);
                     54:     my @num_to_let=('A'..'Z');
                     55:     my $word;
                     56:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                     57:     return $word;
                     58: }
                     59: #   Convert a letter code to numeric.
                     60: #
                     61: sub letters_to_num {
                     62:     my ($letters) = @_;
                     63:     my @letters = split('', uc($letters));
                     64:     my %substitution;
                     65:     my $digit = 0;
                     66:     foreach my $letter ('A'..'J') {
                     67: 	$substitution{$letter} = $digit;
                     68: 	$digit++;
                     69:     }
                     70:     #  The substitution is done as below to preserve leading
                     71:     #  zeroes which are needed to keep the code size exact
                     72:     #
                     73:     my $result ="";
                     74:     foreach my $letter (@letters) {
                     75: 	$result.=$substitution{$letter};
                     76:     }
                     77:     return $result;
                     78: }
                     79: 
1.383     foxr       80: #  Determine if a code is a valid numeric code.  Valid
                     81: #  numeric codes must be comprised entirely of digits and
1.384     albertel   82: #  have a correct number of digits.
1.383     foxr       83: #
                     84: #  Parameters:
                     85: #     value      - proposed code value.
1.384     albertel   86: #     num_digits - Number of digits required.
1.383     foxr       87: #
                     88: sub is_valid_numeric_code {
1.384     albertel   89:     my ($value, $num_digits) = @_;
1.383     foxr       90:     #   Remove leading/trailing whitespace;
1.387     foxr       91:     $value =~ s/^\s*//g;
                     92:     $value =~ s/\s*$//g;
1.383     foxr       93:     
                     94:     #  All digits?
1.387     foxr       95:     if ($value !~ /^[0-9]+$/) {
1.383     foxr       96: 	return "Numeric code $value has invalid characters - must only be digits";
                     97:     }
1.384     albertel   98:     if (length($value) != $num_digits) {
                     99: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    100:     }
1.385     foxr      101:     return undef;
1.383     foxr      102: }
                    103: #   Determines if a code is a valid alhpa code.  Alpha codes
                    104: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  105: #   They also have a correct digit count.
1.383     foxr      106: # Parameters:
                    107: #     value          - Proposed code value.
1.384     albertel  108: #     num_letters    - correct number of letters.
1.383     foxr      109: # Note:
                    110: #    leading and trailing whitespace are ignored.
                    111: #
                    112: sub is_valid_alpha_code {
1.384     albertel  113:     my ($value, $num_letters) = @_;
1.383     foxr      114:     
                    115:      # strip leading and trailing spaces.
                    116: 
                    117:     $value =~ s/^\s*//g;
                    118:     $value =~ s/\s*$//g;
                    119: 
                    120:     #  All alphas in the right range?
1.384     albertel  121:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      122: 	return "Invalid letter code $value must only contain A-J";
                    123:     }
1.384     albertel  124:     if (length($value) != $num_letters) {
                    125: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    126:     }
1.385     foxr      127:     return undef;
1.383     foxr      128: }
                    129: 
1.382     foxr      130: #   Determine if a code entered by the user in a helper is valid.
                    131: #   valid depends on the code type and the type of code selected.
                    132: #   The type of code selected can either be numeric or 
                    133: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    134: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    135: #   We'll be nice and be case insensitive for alpha codes.
                    136: # Parameters:
                    137: #    code_value    - the value of the code the user typed in.
                    138: #    code_option   - The code type selected from the set in the scantron format
                    139: #                    table.
                    140: # Returns:
                    141: #    undef         - The code is valid.
                    142: #    other         - An error message indicating what's wrong.
                    143: #
                    144: sub is_code_valid {
                    145:     my ($code_value, $code_option) = @_;
1.383     foxr      146:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
                    147:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                    148:     foreach my $line (<FG>) {
                    149: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    150: 	if($name eq $code_option) {
                    151: 	    $code_length = $length;
                    152: 	    if($type eq 'number') {
                    153: 		$code_type = 'number';
                    154: 	    }
                    155: 	}
                    156:     }
                    157:     my $valid;
                    158:     if ($code_type eq 'number') {
1.385     foxr      159: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      160:     } else {
1.385     foxr      161: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      162:     }
1.382     foxr      163: 
                    164: }
                    165: 
1.341     foxr      166: #   Compare two students by name.  The students are in the form
                    167: #   returned by the helper:
                    168: #      user:domain:section:last,   first:status
                    169: #   This is a helper function for the perl sort built-in  therefore:
                    170: # Implicit Inputs:
                    171: #    $a     - The first element to compare (global)
                    172: #    $b     - The second element to compare (global)
                    173: # Returns:
                    174: #   -1   - $a < $b
                    175: #    0   - $a == $b
                    176: #   +1   - $a > $b
                    177: #   Note that the initial comparison is done on the last names with the
                    178: #   first names only used to break the tie.
                    179: #
                    180: #
                    181: sub compare_names {
                    182:     #  First split the names up into the primary fields.
                    183: 
                    184:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    185:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    186: 
                    187:     # Now split the last name and first name of each n:
                    188:     #
                    189: 
                    190:     my ($l1,$f1) = split(/,/, $n1);
                    191:     my ($l2,$f2) = split(/,/, $n2);
                    192: 
                    193:     # We don't bother to remove the leading/trailing whitespace from the
                    194:     # firstname, unless the last names compare identical.
                    195: 
                    196:     if($l1 lt $l2) {
                    197: 	return -1;
                    198:     }
                    199:     if($l1 gt $l2) {
                    200: 	return  1;
                    201:     }
                    202: 
                    203:     # Break the tie on the first name, but there are leading (possibly trailing
                    204:     # whitespaces to get rid of first 
                    205:     #
                    206:     $f1 =~ s/^\s+//;		# Remove leading...
                    207:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    208:     
                    209:     $f2 =~ s/^\s+//;
                    210:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    211: 
                    212:     if($f1 lt $f2) {
                    213: 	return -1;
                    214:     }
                    215:     if($f1 gt $f2) {
                    216: 	return 1;
                    217:     }
                    218:     
                    219:     #  Must be the same name.
                    220: 
                    221:     return 0;
                    222: }
                    223: 
1.71      sakharuk  224: sub latex_header_footer_remove {
                    225:     my $text = shift;
                    226:     $text =~ s/\\end{document}//;
                    227:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    228:     return $text;
                    229: }
1.423     foxr      230: #
                    231: #  If necessary, encapsulate text inside 
                    232: #  a minipage env.
                    233: #  necessity is determined by the problem_split param.
                    234: #
                    235: sub encapsulate_minipage {
                    236:     my ($text) = @_;
1.427     albertel  237:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      238: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    239:     }
                    240:     return $text;
                    241: }
1.429     foxr      242: #
                    243: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    244: #  variables interact, this sub looks at these two parameters
                    245: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    246: #     all     - if SPLIT_PDFS eq 'all'.
                    247: #     1       - if SPLIT_PDFS eq 'oneper'
                    248: #     section - if SPLIT_PDFS eq 'sections'
                    249: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    250: #
                    251: sub adjust_number_to_print {
                    252:     my $helper = shift;
1.71      sakharuk  253: 
1.429     foxr      254:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    255:     
                    256:     if ($split_pdf eq 'all') {
                    257: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    258:     } elsif ($split_pdf eq 'oneper') {
                    259: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    260:     } elsif ($split_pdf eq 'sections') {
                    261: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    262:     } elsif ($split_pdf eq 'usenumber') {
                    263: 	#  Unmodified.
                    264:     } else {
                    265: 	# Error!!!!
                    266: 
                    267: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
                    268:     }
                    269: }
1.71      sakharuk  270: 
1.37      sakharuk  271: sub character_chart {
                    272:     my $result = shift;	
1.116     sakharuk  273:     $result =~ s/&\#0?0?(7|9);//g;
                    274:     $result =~ s/&\#0?(10|13);//g;
                    275:     $result =~ s/&\#0?32;/ /g;
                    276:     $result =~ s/&\#0?33;/!/g;
                    277:     $result =~ s/&(\#0?34|quot);/\"/g;
                    278:     $result =~ s/&\#0?35;/\\\#/g;
                    279:     $result =~ s/&\#0?36;/\\\$/g;
                    280:     $result =~ s/&\#0?37;/\\%/g; 
                    281:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    282:     $result =~ s/&\#(0?39|146);/\'/g;
                    283:     $result =~ s/&\#0?40;/(/g;
                    284:     $result =~ s/&\#0?41;/)/g;
                    285:     $result =~ s/&\#0?42;/\*/g;
                    286:     $result =~ s/&\#0?43;/\+/g;
                    287:     $result =~ s/&\#(0?44|130);/,/g;
                    288:     $result =~ s/&\#0?45;/-/g;
                    289:     $result =~ s/&\#0?46;/\./g;
                    290:     $result =~ s/&\#0?47;/\//g;
                    291:     $result =~ s/&\#0?48;/0/g;
                    292:     $result =~ s/&\#0?49;/1/g;
                    293:     $result =~ s/&\#0?50;/2/g;
                    294:     $result =~ s/&\#0?51;/3/g;
                    295:     $result =~ s/&\#0?52;/4/g;
                    296:     $result =~ s/&\#0?53;/5/g;
                    297:     $result =~ s/&\#0?54;/6/g;
                    298:     $result =~ s/&\#0?55;/7/g;
                    299:     $result =~ s/&\#0?56;/8/g;
                    300:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  301:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  302:     $result =~ s/&\#0?59;/;/g;
                    303:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  304:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    305:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  306:     $result =~ s/&\#0?63;/\?/g;
                    307:     $result =~ s/&\#0?65;/A/g;
                    308:     $result =~ s/&\#0?66;/B/g;
                    309:     $result =~ s/&\#0?67;/C/g;
                    310:     $result =~ s/&\#0?68;/D/g;
                    311:     $result =~ s/&\#0?69;/E/g;
                    312:     $result =~ s/&\#0?70;/F/g;
                    313:     $result =~ s/&\#0?71;/G/g;
                    314:     $result =~ s/&\#0?72;/H/g;
                    315:     $result =~ s/&\#0?73;/I/g;
                    316:     $result =~ s/&\#0?74;/J/g;
                    317:     $result =~ s/&\#0?75;/K/g;
                    318:     $result =~ s/&\#0?76;/L/g;
                    319:     $result =~ s/&\#0?77;/M/g;
                    320:     $result =~ s/&\#0?78;/N/g;
                    321:     $result =~ s/&\#0?79;/O/g;
                    322:     $result =~ s/&\#0?80;/P/g;
                    323:     $result =~ s/&\#0?81;/Q/g;
                    324:     $result =~ s/&\#0?82;/R/g;
                    325:     $result =~ s/&\#0?83;/S/g;
                    326:     $result =~ s/&\#0?84;/T/g;
                    327:     $result =~ s/&\#0?85;/U/g;
                    328:     $result =~ s/&\#0?86;/V/g;
                    329:     $result =~ s/&\#0?87;/W/g;
                    330:     $result =~ s/&\#0?88;/X/g;
                    331:     $result =~ s/&\#0?89;/Y/g;
                    332:     $result =~ s/&\#0?90;/Z/g;
                    333:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  334:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  335:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  336:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  337:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    338:     $result =~ s/&\#(0?96|145);/\`/g;
                    339:     $result =~ s/&\#0?97;/a/g;
                    340:     $result =~ s/&\#0?98;/b/g;
                    341:     $result =~ s/&\#0?99;/c/g;
                    342:     $result =~ s/&\#100;/d/g;
                    343:     $result =~ s/&\#101;/e/g;
                    344:     $result =~ s/&\#102;/f/g;
                    345:     $result =~ s/&\#103;/g/g;
                    346:     $result =~ s/&\#104;/h/g;
                    347:     $result =~ s/&\#105;/i/g;
                    348:     $result =~ s/&\#106;/j/g;
                    349:     $result =~ s/&\#107;/k/g;
                    350:     $result =~ s/&\#108;/l/g;
                    351:     $result =~ s/&\#109;/m/g;
                    352:     $result =~ s/&\#110;/n/g;
                    353:     $result =~ s/&\#111;/o/g;
                    354:     $result =~ s/&\#112;/p/g;
                    355:     $result =~ s/&\#113;/q/g;
                    356:     $result =~ s/&\#114;/r/g;
                    357:     $result =~ s/&\#115;/s/g;
                    358:     $result =~ s/&\#116;/t/g;
                    359:     $result =~ s/&\#117;/u/g;
                    360:     $result =~ s/&\#118;/v/g;
                    361:     $result =~ s/&\#119;/w/g;
                    362:     $result =~ s/&\#120;/x/g;
                    363:     $result =~ s/&\#121;/y/g;
                    364:     $result =~ s/&\#122;/z/g;
                    365:     $result =~ s/&\#123;/\\{/g;
                    366:     $result =~ s/&\#124;/\|/g;
                    367:     $result =~ s/&\#125;/\\}/g;
                    368:     $result =~ s/&\#126;/\~/g;
                    369:     $result =~ s/&\#131;/\\textflorin /g;
                    370:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  371:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    372:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    373:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  374:     $result =~ s/&\#137;/\\textperthousand /g;
                    375:     $result =~ s/&\#140;/{\\OE}/g;
                    376:     $result =~ s/&\#147;/\`\`/g;
                    377:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  378:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  379:     $result =~ s/&\#150;/--/g;
                    380:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  381:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  382:     $result =~ s/&\#153;/\\texttrademark /g;
                    383:     $result =~ s/&\#156;/\\oe/g;
                    384:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  385:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  386:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    387:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    388:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    389:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    390:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    391:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    392:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    393:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    394:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    395:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  396:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  397:     $result =~ s/&(\#173|shy);/ - /g;
                    398:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  399:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    400:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    401:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    402:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    403:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  404:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  405:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  406:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  407:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  408:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  409:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  410:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    411:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    412:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    413:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    414:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    415:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    416:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    417:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    418:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    419:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    420:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    421:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    422:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    423:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    424:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    425:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    426:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    427:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    428:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    429:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    430:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    431:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    432:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    433:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    434:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    435:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    436:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  437:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  438:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    439:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    440:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    441:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    442:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    443:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  444:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  445:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    446:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    447:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    448:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    449:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    450:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    451:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    452:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    453:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    454:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    455:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    456:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    457:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    458:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    459:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    460:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  461:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  462:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    463:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    464:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    465:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    466:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    467:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  468:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  469:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    470:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    471:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    472:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    473:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    474:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    475:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  476:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  477:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  478: #Greek Alphabet
1.281     sakharuk  479:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    480:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    481:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    482:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    483:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    484:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    485:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    486:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    487:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    488:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    489:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    490:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    491:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    492:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  493:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  494:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    495:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    496:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    497:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    498:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    499:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    500:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    501:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    502:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    503:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    504:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  505:     $result =~ s/&(Alpha|\#913);/A/g;
                    506:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  507:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    508:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  509:     $result =~ s/&(Epsilon|\#917);/E/g;
                    510:     $result =~ s/&(Zeta|\#918);/Z/g;
                    511:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  512:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  513:     $result =~ s/&(Iota|\#921);/I/g;
                    514:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  515:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  516:     $result =~ s/&(Mu|\#924);/M/g;
                    517:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  518:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  519:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  520:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  521:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  522:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  523:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  524:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    525:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  526:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  527:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    528:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  529: #Arrows (extended HTML 4.01)
1.281     sakharuk  530:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    531:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    532:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    533:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    534:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    535:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    536:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    537:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    538:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    539:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  540: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  541:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    542:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    543:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    544:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    545:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    546:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    547:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    548:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    549:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    550:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    551:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  552:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  553:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    554:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    555:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    556:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    557:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    558:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    559:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    560:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    561:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    562:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    563:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    564:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    565:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    566:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    567:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    568:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    569:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    570:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    571:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    572:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    573:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    574:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    575:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    576:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    577:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    578:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  579: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  580:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  581: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  582:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    583:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    584:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    585:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  586:     return $result;
                    587: }
1.41      sakharuk  588: 
                    589: 
1.327     albertel  590:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    591: my %page_formats=
                    592:     ('letter' => {
                    593: 	 'book' => {
1.349     albertel  594: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    595: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  596: 	 },
                    597: 	 'album' => {
1.338     albertel  598: 	     '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
1.327     albertel  599: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    600: 	 },
                    601:      },
                    602:      'legal' => {
                    603: 	 'book' => {
                    604: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    605: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    606: 	 },
                    607: 	 'album' => {
1.376     albertel  608: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    609:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  610:           },
                    611:      },
                    612:      'tabloid' => {
                    613: 	 'book' => {
                    614: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    615: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    616: 	 },
                    617: 	 'album' => {
1.376     albertel  618: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    619: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  620:           },
                    621:      },
                    622:      'executive' => {
                    623: 	 'book' => {
                    624: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    625: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    626: 	 },
                    627: 	 'album' => {
                    628: 	     '1' => [],
                    629: 	     '2' => []
                    630:           },
                    631:      },
                    632:      'a2' => {
                    633: 	 'book' => {
                    634: 	     '1' => [],
                    635: 	     '2' => []
                    636: 	 },
                    637: 	 'album' => {
                    638: 	     '1' => [],
                    639: 	     '2' => []
                    640:           },
                    641:      },
                    642:      'a3' => {
                    643: 	 'book' => {
                    644: 	     '1' => [],
                    645: 	     '2' => []
                    646: 	 },
                    647: 	 'album' => {
                    648: 	     '1' => [],
                    649: 	     '2' => []
                    650:           },
                    651:      },
                    652:      'a4' => {
                    653: 	 'book' => {
                    654: 	     '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
                    655: 	     '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
                    656: 	 },
                    657: 	 'album' => {
                    658: 	     '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
                    659: 	     '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
                    660: 	 },
                    661:      },
                    662:      'a5' => {
                    663: 	 'book' => {
                    664: 	     '1' => [],
                    665: 	     '2' => []
                    666: 	 },
                    667: 	 'album' => {
                    668: 	     '1' => [],
                    669: 	     '2' => []
                    670:           },
                    671:      },
                    672:      'a6' => {
                    673: 	 'book' => {
                    674: 	     '1' => [],
                    675: 	     '2' => []
                    676: 	 },
                    677: 	 'album' => {
                    678: 	     '1' => [],
                    679: 	     '2' => []
                    680:           },
                    681:      },
                    682:      );
                    683: 
1.177     sakharuk  684: sub page_format {
1.140     sakharuk  685: #
1.326     sakharuk  686: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    687: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    688: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    689: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    690: #                        "A6 [105x148 mm]"
1.140     sakharuk  691: # 
                    692:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  693:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  694: }
1.76      sakharuk  695: 
                    696: 
1.126     albertel  697: sub get_name {
                    698:     my ($uname,$udom)=@_;
1.373     albertel  699:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    700:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  701:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  702:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    703:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    704:     return $plainname;
1.126     albertel  705: }
                    706: 
1.213     albertel  707: sub get_course {
                    708:     my $courseidinfo;
1.373     albertel  709:     if (defined($env{'request.course.id'})) {
                    710: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  711:     }
                    712:     return $courseidinfo;
                    713: }
1.177     sakharuk  714: 
1.76      sakharuk  715: sub page_format_transformation {
1.312     sakharuk  716:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  717:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  718:     if ($selectionmade eq '4') {
                    719: 	$assignment='Problems from the Whole Course';
                    720:     } else {
                    721: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    722:     }
1.261     sakharuk  723:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  724:     my $name = &get_name();
1.213     albertel  725:     my $courseidinfo = &get_course();
                    726:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.319     sakharuk  727:     my $topmargintoinsert = '';
                    728:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  729:     my $fancypagestatement='';
                    730:     if ($numberofcolumns eq '2') {
                    731: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    732:     } else {
                    733: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    734:     }
1.140     sakharuk  735:     if ($layout eq 'album') {
1.340     foxr      736: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  737:     } elsif ($layout eq 'book') {
                    738: 	if ($choice ne 'All class print') { 
1.340     foxr      739: 	    $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  740: 	} else {
1.340     foxr      741: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  742: 	}
1.326     sakharuk  743: 	if ($papersize eq 'a4') {
1.319     sakharuk  744: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  745: 	}
                    746:     }
1.214     sakharuk  747:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    748:     if ($indexlist eq 'yes') {
                    749: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    750: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    751:     }
1.140     sakharuk  752:     return $text;
                    753: }
                    754: 
                    755: 
1.33      sakharuk  756: sub page_cleanup {
                    757:     my $result = shift;	
1.65      sakharuk  758:  
                    759:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  760:     my $number_of_columns = $1;
1.33      sakharuk  761:     my $insert = '{';
1.34      sakharuk  762:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  763:     $insert .= '}';
1.65      sakharuk  764:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  765:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    766:     return $result,$number_of_columns;
1.7       sakharuk  767: }
1.5       sakharuk  768: 
1.3       sakharuk  769: 
1.60      sakharuk  770: sub details_for_menu {
1.335     albertel  771:     my ($helper)=@_;
1.373     albertel  772:     my $postdata=$env{'form.postdata'};
1.335     albertel  773:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    774:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    775:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       776:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  777:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  778:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  779:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  780: 	$map =~ m|([^/]+)$|;
                    781: 	$name_of_sequence = $1;
1.63      albertel  782:     }
1.373     albertel  783:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel  784:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel  785: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel  786: 	$name_of_map = $1;
                    787:     }
1.335     albertel  788:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  789: }
                    790: 
                    791: 
                    792: sub latex_corrections {
1.408     albertel  793:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk  794: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  795:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.408     albertel  796:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
                    797: 	$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/;
                    798:     } else {
1.316     sakharuk  799: 	$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/;
                    800:     }
1.91      sakharuk  801:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    802:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  803: #-- LaTeX corrections     
                    804:     my $first_comment = index($result,'<!--',0);
                    805:     while ($first_comment != -1) {
                    806: 	my $end_comment = index($result,'-->',$first_comment);
                    807: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    808: 	$first_comment = index($result,'<!--',$first_comment);
                    809:     }
                    810:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel  811:     #removes more than one empty space
                    812:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk  813:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    814:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    815:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  816:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  817:     #conversion of html characters to LaTeX equivalents
                    818:     if ($result =~ m/&(\w+|#\d+);/) {
                    819: 	$result = &character_chart($result);
                    820:     }
                    821:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    822:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    823:     return $result;
1.60      sakharuk  824: }
                    825: 
1.3       sakharuk  826: 
1.214     sakharuk  827: sub index_table {
                    828:     my $currentURL = shift;
                    829:     my $insex_string='';
                    830:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    831:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    832:     return $insex_string;
                    833: }
                    834: 
                    835: 
1.215     sakharuk  836: sub IndexCreation {
                    837:     my ($texversion,$currentURL)=@_;
                    838:     my @key_words=split(/,/,&index_table($currentURL));
                    839:     my $chunk='';
                    840:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    841:     if ($st>0) {
                    842: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    843: 	$chunk=substr($texversion,0,$st+1);
                    844: 	substr($texversion,0,$st+1)=' ';
                    845:     }
                    846:     foreach my $key_word (@key_words) {
                    847: 	if ($key_word=~/\S+/) {
                    848: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    849: 	}
                    850:     }			
                    851:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    852:     return $texversion;
                    853: }
                    854: 
1.242     sakharuk  855: sub print_latex_header {
                    856:     my $mode=shift;
1.409     foxr      857:     my $output='\documentclass[letterpaper,twoside]{article}';
1.397     albertel  858:     if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1.242     sakharuk  859: 	$output.='\batchmode';
                    860:     }
1.340     foxr      861:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1.410     foxr      862:    	    '\usepackage{multirow}'."\n".
1.340     foxr      863: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      864: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1.393     foxr      865: 	     '\usepackage{wrapfig}'.
1.344     foxr      866: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      867: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    868: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    869: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    870: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    871: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    872: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    873: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    874: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    875: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    876: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    877: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    878: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    879: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  880:     return $output;	     
                    881: }
                    882: 
                    883: sub path_to_problem {
1.328     albertel  884:     my ($urlp,$colwidth)=@_;
1.404     albertel  885:     $urlp=&Apache::lonnet::clutter($urlp);
                    886: 
1.242     sakharuk  887:     my $newurlp = '';
1.328     albertel  888:     $colwidth=~s/\s*mm\s*$//;
                    889: #characters average about 2 mm in width
1.360     albertel  890:     if (length($urlp)*2 > $colwidth) {
1.404     albertel  891: 	my @elements = split('/',$urlp);
1.328     albertel  892: 	my $curlength=0;
                    893: 	foreach my $element (@elements) {
1.404     albertel  894: 	    if ($element eq '') { next; }
1.328     albertel  895: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel  896: 		$newurlp .=  '|\vskip -1 mm \verb|';
                    897: 		$curlength=length($element)*2;
1.328     albertel  898: 	    } else {
                    899: 		$curlength+=length($element)*2;
1.242     sakharuk  900: 	    }
1.328     albertel  901: 	    $newurlp.='/'.$element;
1.242     sakharuk  902: 	}
1.253     sakharuk  903:     } else {
                    904: 	$newurlp=$urlp;
1.242     sakharuk  905:     }
                    906:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    907: }
1.215     sakharuk  908: 
1.275     sakharuk  909: sub recalcto_mm {
                    910:     my $textwidth=shift;
                    911:     my $LaTeXwidth;
1.339     albertel  912:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  913: 	$LaTeXwidth = $1*10;
1.339     albertel  914:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  915: 	$LaTeXwidth = $1;
1.339     albertel  916:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  917: 	$LaTeXwidth = $1*25.4;
                    918:     }
                    919:     $LaTeXwidth.=' mm';
                    920:     return $LaTeXwidth;
                    921: }
                    922: 
1.285     albertel  923: sub get_textwidth {
                    924:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  925:     my $textwidth=$LaTeXwidth;
1.285     albertel  926:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    927: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  928: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    929: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  930:     }
1.286     albertel  931:     return $textwidth;
1.285     albertel  932: }
                    933: 
1.296     sakharuk  934: 
                    935: sub unsupported {
1.414     albertel  936:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk  937:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  938:     my $result.= &print_latex_header($mode);
1.414     albertel  939:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                    940: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                    941: 	my $title=&Apache::lonnet::gettitle($symb);
                    942: 	$title = &Apache::lonxml::latex_special_symbols($title);
                    943: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk  944:     } else {
                    945: 	$result.=$currentURL;
                    946:     }
1.419     albertel  947:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  948:     return $result;
                    949: }
                    950: 
                    951: 
1.363     foxr      952: #
1.395     www       953: # List of recently generated print files
                    954: #
                    955: sub recently_generated {
                    956:     my $r=shift;
                    957:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel  958:     my $zip_result;
                    959:     my $pdf_result;
1.395     www       960:     opendir(DIR,$prtspool);
1.400     albertel  961: 
                    962:     my @files = 
                    963: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www       964:     closedir(DIR);
1.400     albertel  965: 
                    966:     @files = sort {
                    967: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                    968: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                    969: 	return $bctime <=> $actime;
                    970:     } (@files);
                    971: 
                    972:     foreach my $filename (@files) {
                    973: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                    974: 	my ($cdev,$cino,$cmode,$cnlink,
                    975: 	    $cuid,$cgid,$crdev,$csize,
                    976: 	    $catime,$cmtime,$cctime,
                    977: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
                    978: 	my $result="<a href='/prtspool/$filename'>".
                    979: 	    &mt('Generated [_1] ([_2] bytes)',
                    980: 		&Apache::lonlocal::locallocaltime($cctime),$csize).
                    981: 		'</a><br />';
                    982: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                    983: 	if ($ext eq 'zip') { $zip_result .= $result; }
                    984:     }
                    985:     if ($zip_result) {
                    986: 	$r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
                    987: 		  .$zip_result);
                    988:     }
                    989:     if ($pdf_result) {
                    990: 	$r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
                    991: 		  .$pdf_result);
1.396     albertel  992:     }
1.395     www       993: }
                    994: 
                    995: #
1.363     foxr      996: #   Retrieve the hash of page breaks.
                    997: #
                    998: #  Inputs:
                    999: #    helper   - reference to helper object.
                   1000: #  Outputs
                   1001: #    A reference to a page break hash.
                   1002: #
                   1003: #
1.418     foxr     1004: #use Data::Dumper;
                   1005: #sub dump_helper_vars {
                   1006: #    my ($helper) = @_;
                   1007: #    my $helpervars = Dumper($helper->{'VARS'});
                   1008: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1009: #}
1.363     foxr     1010: 
                   1011: sub get_page_breaks  {
                   1012:     my ($helper) = @_;
                   1013:     my %page_breaks;
1.416     foxr     1014: 
1.363     foxr     1015:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1016: 	$page_breaks{$break} = 1;
                   1017:     }
1.364     albertel 1018:     return %page_breaks;
1.363     foxr     1019: }
                   1020: 
1.177     sakharuk 1021: sub output_data {
1.184     sakharuk 1022:     my ($r,$helper,$rparmhash) = @_;
                   1023:     my %parmhash = %$rparmhash;
1.392     albertel 1024:     my $resources_printed = '';
1.361     albertel 1025:     my $html=&Apache::lonxml::xmlbegin();
1.431   ! albertel 1026:     my $headtag     = &Apache::loncommon::headtag('Preparing Printout');
        !          1027:     my $end_headtag = &Apache::loncommon::endheadtag();
        !          1028:     my $bodytag     = &Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk 1029:     $r->print(<<ENDPART);
1.361     albertel 1030: $html
1.431   ! albertel 1031: $headtag
1.361     albertel 1032: <script type="text/javascript" language="Javascript">
1.264     sakharuk 1033:     var editbrowser;
                   1034:     function openbrowser(formname,elementname,only,omit) {
                   1035:         var url = '/res/?';
                   1036:         if (editbrowser == null) {
                   1037:             url += 'launch=1&';
                   1038:         }
                   1039:         url += 'catalogmode=interactive&';
                   1040:         url += 'mode=parmset&';
                   1041:         url += 'form=' + formname + '&';
                   1042:         if (only != null) {
                   1043:             url += 'only=' + only + '&';
                   1044:         } 
                   1045:         if (omit != null) {
                   1046:             url += 'omit=' + omit + '&';
                   1047:         }
                   1048:         url += 'element=' + elementname + '';
                   1049:         var title = 'Browser';
                   1050:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1051:         options += ',width=700,height=600';
                   1052:         editbrowser = open(url,title,options,'1');
                   1053:         editbrowser.focus();
                   1054:     }
                   1055: </script>
1.431   ! albertel 1056: $end_headtag
1.187     www      1057: $bodytag
1.402     albertel 1058: <p>
1.187     www      1059: Please stand by while processing your print request, this may take some time ...
1.402     albertel 1060: </p>
1.140     sakharuk 1061: ENDPART
                   1062: 
1.363     foxr     1063: 
1.372     foxr     1064: 
1.363     foxr     1065:     # fetch the pagebreaks and store them in the course environment
                   1066:     # The page breaks will be pulled into the hash %page_breaks which is
                   1067:     # indexed by symb and contains 1's for each break.
                   1068: 
1.373     albertel 1069:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1070:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1071:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1072: 					      {'pagebreaks'    => 'scalar',
                   1073: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1074: 
1.364     albertel 1075:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1076: 
1.140     sakharuk 1077:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1078:     my ($result,$selectionmade) = ('','');
                   1079:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1080:     my @temporary_array=split /\|/,$format_from_helper;
                   1081:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                   1082:     if ($laystyle eq 'L') {
                   1083: 	$laystyle='album';
                   1084:     } else {
                   1085: 	$laystyle='book';
                   1086:     }
1.177     sakharuk 1087:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1088:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1089:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1090:     my @print_array=();
1.274     sakharuk 1091:     my @student_names=();
1.360     albertel 1092: 
                   1093:     #  Common settings for the %form has:
                   1094:     # In some cases these settings get overriddent by specific cases, but the
                   1095:     # settings are common enough to make it worthwhile factoring them out
                   1096:     # here.
                   1097:     #
                   1098:     my %form;
                   1099:     $form{'grade_target'} = 'tex';
                   1100:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr     1101: 
                   1102:     # If form.showallfoils is set, then request all foils be shown:
                   1103:     # privilege will be enforced both by not allowing the 
                   1104:     # check box selecting this option to be presnt unless it's ok,
                   1105:     # and by lonresponse's priv. check.
                   1106:     # The if is here because lonresponse.pm only cares that
                   1107:     # showallfoils is defined, not what the value is.
                   1108: 
                   1109:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1110: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1111:     }
                   1112: 
1.140     sakharuk 1113:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1114:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1115: 	my ($currentURL,$cleanURL);
1.375     foxr     1116: 
1.162     sakharuk 1117: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1118:             #prints published resource
1.153     sakharuk 1119: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1120: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1121: 	} else {
1.185     sakharuk 1122:             #prints resource from the construction space
1.240     albertel 1123: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1124: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1125: 	    $cleanURL=$currentURL;
1.143     sakharuk 1126: 	}
1.140     sakharuk 1127: 	$selectionmade = 1;
1.413     albertel 1128: 	if ($cleanURL!~m|^/adm/|
                   1129: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1130: 	    my $rndseed=time;
1.242     sakharuk 1131: 	    my $texversion='';
                   1132: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1133: 		my %moreenv;
1.343     albertel 1134: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk 1135: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1136: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1.373     albertel 1137: 		    my $dom = $env{'user.domain'};
                   1138: 		    my $user = $env{'user.name'};
1.265     sakharuk 1139: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                   1140: 		}
1.290     sakharuk 1141:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1142: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1143: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1144: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1145: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1146: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk 1147: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1148: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1149: 		}
                   1150: 		$form{'rndseed'}=$rndseed;
                   1151: 		&Apache::lonnet::appenv(%moreenv);
1.428     albertel 1152: 
                   1153: 		&Apache::lonxml::clear_problem_counter();
                   1154: 
1.375     foxr     1155: 		$resources_printed .= $currentURL.':';
1.275     sakharuk 1156: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.428     albertel 1157: 
                   1158: 		&Apache::lonxml::clear_problem_counter();
                   1159: 
1.242     sakharuk 1160: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1161: 	    }
1.423     foxr     1162: 	    # current document with answers.. no need to encap in minipage
                   1163: 	    #  since there's only one answer.
                   1164: 
1.242     sakharuk 1165: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1166: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1167: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1168: 		$form{'grade_target'}='answer';
1.167     albertel 1169: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1170: 		$form{'rndseed'}=$rndseed;
1.401     albertel 1171:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1172: 		    $form{'problemtype'}='exam';
                   1173: 		}
1.375     foxr     1174: 		$resources_printed .= $currentURL.':';
1.166     albertel 1175: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1176: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1177: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1178: 		} else {
                   1179: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1180: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1181: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel 1182: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1183: 		    } else {
                   1184: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1185: 			my $URLpath=$cleanURL;
1.245     sakharuk 1186: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1187: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1188: 		    }
1.242     sakharuk 1189: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1190: 		}
1.163     sakharuk 1191: 	    }
1.214     sakharuk 1192: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1193: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1194: 	    }
1.219     sakharuk 1195: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1196: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1197: 
                   1198: 	    }
1.162     sakharuk 1199: 	    $result .= $texversion;
                   1200: 	    if ($currentURL=~m/\.page\s*$/) {
                   1201: 		($result,$number_of_columns) = &page_cleanup($result);
                   1202: 	    }
1.413     albertel 1203:         } elsif ($cleanURL!~m|^/adm/|
                   1204: 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 1205:             #printing content of sequence from the construction space	
                   1206: 	    my $flag_latex_header_remove = 'NO'; 
                   1207: 	    my $rndseed=time;
1.231     albertel 1208: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1209: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1210: 	    }
1.227     sakharuk 1211: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1212: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                   1213: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                   1214: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                   1215: 		my $urlp=$2;
                   1216: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk 1217: 		    my $texversion='';
                   1218: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1219: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1220: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk 1221: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1222: 			$form{'rndseed'}=$rndseed;
1.375     foxr     1223: 			$resources_printed .=$urlp.':';
1.245     sakharuk 1224: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                   1225: 		    }
1.249     sakharuk 1226: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1227: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1228: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.380     foxr     1229: 			#  Don't permanently modify %$form...
                   1230: 			my %answerform = %form;
                   1231: 			$answerform{'grade_target'}='answer';
                   1232: 			$answerform{'answer_output_mode'}='tex';
                   1233: 			$answerform{'rndseed'}=$rndseed;
                   1234: 			$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.373     albertel 1235:                         if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.375     foxr     1236: 			$resources_printed .= $urlp.':';
1.380     foxr     1237: 			my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.245     sakharuk 1238: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1239: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1240: 			} else {
1.423     foxr     1241: 			    # If necessary, encapsulate answer in minipage:
                   1242: 
1.245     sakharuk 1243: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.423     foxr     1244: 			    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1245: 			    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1246: 			    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1247: 			    $body = &encapsulate_minipage($body);
                   1248: 			    $texversion.=$body;
1.245     sakharuk 1249: 			}
1.227     sakharuk 1250: 		    }
                   1251: 		    if ($flag_latex_header_remove ne 'NO') {
                   1252: 			$texversion = &latex_header_footer_remove($texversion);
                   1253: 		    } else {
                   1254: 			$texversion =~ s/\\end{document}//;
                   1255: 		    }
                   1256: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1257: 			$texversion=&IndexCreation($texversion,$urlp);
                   1258: 		    }
1.232     sakharuk 1259: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1260: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1261: 		    }
                   1262: 		    $result.=$texversion;
                   1263: 		    $flag_latex_header_remove = 'YES';
                   1264: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1265: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1266: 		}  
                   1267: 	    }
1.228     sakharuk 1268: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1269: 	    $result .= '\end{document}';   
1.343     albertel 1270: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1271: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1272: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1273: 		$resources_printed .= $currentURL.':';
1.258     sakharuk 1274: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1275: 		$result .= $texversion;
1.162     sakharuk 1276: 	} else {
1.414     albertel 1277: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1278: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 1279: 	}
1.354     foxr     1280:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1281:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1282:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1283: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1284: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1285:         #-- produce an output string
1.296     sakharuk 1286: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1287: 	    $selectionmade = 2;
                   1288: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1289: 	    $selectionmade = 3;
                   1290: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1291: 	    $selectionmade = 4;
1.354     foxr     1292: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1293: 	    $selectionmade = 4;
1.296     sakharuk 1294: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1295: 	    $selectionmade = 7;
                   1296: 	}
1.193     sakharuk 1297: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1298: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1299: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1300: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1301: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1302: 	my $flag_latex_header_remove = 'NO';
                   1303: 	my $flag_page_in_sequence = 'NO';
                   1304: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1305: 	my $prevassignment='';
1.428     albertel 1306: 
                   1307: 	&Apache::lonxml::clear_problem_counter();
                   1308: 
1.416     foxr     1309: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 1310: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1311: 
                   1312: 	    # Note due to document structure, not allowed to put \newpage
                   1313: 	    # prior to the first resource
                   1314: 
1.351     foxr     1315: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1316: 		if($i != 0) {
                   1317: 		    $result.="\\newpage\n";
                   1318: 		}
                   1319: 	    }
1.407     albertel 1320: 	    my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1321: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1322: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 1323: 
                   1324: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.267     sakharuk 1325: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1326: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1327: 	    my $texversion='';
1.413     albertel 1328: 	    if ($urlp!~m|^/adm/|
                   1329: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1330: 		$resources_printed .= $urlp.':';
1.428     albertel 1331: 
                   1332: 		&Apache::lonxml::remember_problem_counter();
                   1333: 
1.297     sakharuk 1334: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1335: 		if ($urlp=~/\.page$/) {
                   1336: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1337: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1338: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1339: 		    $flag_page_in_sequence = 'YES';
                   1340: 		} 
1.428     albertel 1341: 
1.296     sakharuk 1342: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1343: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1344: 		    #  Don't permanently pervert the %form hash
                   1345: 		    my %answerform = %form;
                   1346: 		    $answerform{'grade_target'}='answer';
                   1347: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1348: 		    $resources_printed .= $urlp.':';
1.428     albertel 1349: 
                   1350: 		    &Apache::lonxml::restore_problem_counter();
1.380     foxr     1351: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.428     albertel 1352: 
1.296     sakharuk 1353: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1354: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1355: 		    } else {
1.307     sakharuk 1356: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1357: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.423     foxr     1358: 			    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
                   1359: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   1360: 			    $body   .='\vskip 1 mm '.$answer;
                   1361: 			    $body    = &encapsulate_minipage($body);
                   1362: 			    $texversion .= $body;
1.296     sakharuk 1363: 			} else {
                   1364: 			    $texversion='';
                   1365: 			}
1.249     sakharuk 1366: 		    }
1.246     sakharuk 1367: 		}
1.296     sakharuk 1368: 		if ($flag_latex_header_remove ne 'NO') {
                   1369: 		    $texversion = &latex_header_footer_remove($texversion);
                   1370: 		} else {
                   1371: 		    $texversion =~ s/\\end{document}//;
                   1372: 		}
                   1373: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1374: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1375: 		}
                   1376: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1377: 		    my $name = &get_name();
                   1378: 		    my $courseidinfo = &get_course();
                   1379: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1380: 		    $prevassignment=$assignment;
1.417     foxr     1381: 		    if ($numberofcolumns eq '1') {
1.416     foxr     1382: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
                   1383: 		    } else {
                   1384: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
                   1385: 		    }			
1.296     sakharuk 1386: 		}
                   1387: 		$result .= $texversion;
                   1388: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1389: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1390: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1391: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1392: 		$resources_printed .= $urlp.':';
1.301     sakharuk 1393: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1394: 		if ($flag_latex_header_remove ne 'NO') {
                   1395: 		    $texversion = &latex_header_footer_remove($texversion);
                   1396: 		} else {
                   1397: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1398: 		}
                   1399: 		$result .= $texversion;
                   1400: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1401: 	    } else {
1.414     albertel 1402: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1403: 					 $master_seq[$i]);
1.297     sakharuk 1404: 		if ($flag_latex_header_remove ne 'NO') {
                   1405: 		    $texversion = &latex_header_footer_remove($texversion);
                   1406: 		} else {
                   1407: 		    $texversion =~ s/\\end{document}//;
                   1408: 		}
                   1409: 		$result .= $texversion;
                   1410: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1411: 	    }	    
1.331     albertel 1412: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1413: 	}
1.428     albertel 1414: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     1415: 	if ($flag_page_in_sequence eq 'YES') {
                   1416: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1417: 	}	
1.141     sakharuk 1418: 	$result .= '\end{document}';
1.284     albertel 1419:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1420: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1421: 
                   1422: 
1.150     sakharuk 1423:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1424: 	 my $type;
1.254     sakharuk 1425: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1426: 	     $selectionmade=5;
1.284     albertel 1427: 	     $type='problems';
1.254     sakharuk 1428: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1429: 	     $selectionmade=8;
1.284     albertel 1430: 	     $type='resources';
1.254     sakharuk 1431: 	 }
1.150     sakharuk 1432: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1433: 	 #   The normal sort order is by section then by students within the
                   1434: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1435: 	 #   to override this and output the students by name.
                   1436: 	 #    Each element of the students array is of the form:
                   1437: 	 #       username:domain:section:last, first:status
                   1438: 	 #    
1.429     foxr     1439: 	 #  Note that student sort is not compatible with printing 
                   1440: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     1441: 	 #   
1.429     foxr     1442: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   1443: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     1444: 	     @students = sort compare_names  @students;
                   1445: 	 }
1.429     foxr     1446: 	 &adjust_number_to_print($helper);
                   1447: 
1.278     albertel 1448:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1449: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1450: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1451: 	 }
1.429     foxr     1452: 	 # If we are splitting on section boundaries, we need 
                   1453: 	 # to remember that in split_on_sections and 
                   1454: 	 # print all of the students in the list.
                   1455: 	 #
                   1456: 	 my $split_on_sections = 0;
                   1457: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   1458: 	     $split_on_sections = 1;
                   1459: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   1460: 	 }
1.150     sakharuk 1461: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1462: 
1.150     sakharuk 1463: 	 #loop over students
                   1464: 	 my $flag_latex_header_remove = 'NO'; 
                   1465: 	 my %moreenv;
1.330     sakharuk 1466:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1467: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1468: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1469: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1470: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1471: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1472: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1473: 	 my $student_counter=-1;
1.429     foxr     1474: 	 my $i = 0;
1.430     albertel 1475: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 1476: 	 foreach my $person (@students) {
1.350     foxr     1477: 
1.373     albertel 1478:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1479: 	     if (-e $duefile) {
                   1480: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1481: 		 print $temp_file "1969\n";
                   1482: 	     }
1.272     sakharuk 1483: 	     $student_counter++;
1.429     foxr     1484: 	     if ($split_on_sections) {
1.430     albertel 1485: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     1486: 		 if ($this_section ne $last_section) {
                   1487: 		     $i++;
                   1488: 		     $last_section = $this_section;
                   1489: 		 }
                   1490: 	     } else {
                   1491: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   1492: 	     }
1.375     foxr     1493: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1494: 						     $person,$type,
                   1495: 						     \%moreenv,\@master_seq,
1.360     albertel 1496: 						     $flag_latex_header_remove,
1.422     albertel 1497: 						     $LaTeXwidth);
1.375     foxr     1498: 	     $resources_printed .= ":";
1.284     albertel 1499: 	     $print_array[$i].=$output;
                   1500: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1501: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1502: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1503: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1504: 	 }
                   1505: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1506: 	 $result .= $print_array[0].'  \end{document}';
                   1507:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1508: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1509: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1510: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1511: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1512: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1513: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     1514: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     1515: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   1516: 
1.381     albertel 1517: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1518: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1519: 	 my ($code_type,$code_length)=('letter',6);
                   1520: 	 foreach my $line (<FH>) {
                   1521: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1522: 	     if ($name eq $code_option) {
                   1523: 		 $code_length=$length;
                   1524: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1525: 	     }
                   1526: 	 }
1.288     albertel 1527: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1528: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 1529:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 1530: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1531: 	 my @allcodes;
                   1532: 	 if ($old_name) {
1.381     albertel 1533: 	     my %result=&Apache::lonnet::get('CODEs',
                   1534: 					     [$old_name,"type\0$old_name"],
                   1535: 					     $cdom,$cnum);
                   1536: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1537: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1538: 	     $num_todo=scalar(@allcodes);
1.389     foxr     1539: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     1540: 	     $num_todo = 1;
                   1541: 	     @allcodes = ($selected_code);
1.385     foxr     1542: 	 } elsif ($single_code) {
                   1543: 
1.387     foxr     1544: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     1545: 	     # If an alpha code have to convert to numbers so it can be
                   1546: 	     # converted back to letters again :-)
                   1547: 	     #
                   1548: 	     if ($code_type ne 'number') {
                   1549: 		 $single_code = &letters_to_num($single_code);
                   1550: 	     }
                   1551: 	     @allcodes = ($single_code);
1.292     albertel 1552: 	 } else {
                   1553: 	     my %allcodes;
1.299     albertel 1554: 	     srand($seed);
1.292     albertel 1555: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1556: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1557: 					    $code_type);
1.292     albertel 1558: 	     }
                   1559: 	     if ($code_name) {
                   1560: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1561: 				      {
                   1562: 					$code_name =>join(',',keys(%allcodes)),
                   1563: 					"type\0$code_name" => $code_type
                   1564: 				      },
1.292     albertel 1565: 				      $cdom,$cnum);
                   1566: 	     }
                   1567: 	     @allcodes=keys(%allcodes);
                   1568: 	 }
1.336     albertel 1569: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1570: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1571: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1572: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1573: 	     $number_per_page=$num_todo;
                   1574: 	 }
                   1575: 	 my $flag_latex_header_remove = 'NO'; 
                   1576: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1577: 	 my $count=0;
1.292     albertel 1578: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1579: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 1580: 	     if ($code_type eq 'number') { 
                   1581: 		 $moreenv{'CODE'}=$code;
                   1582: 	     } else {
                   1583: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   1584: 	     }
1.375     foxr     1585: 	     my ($output,$fullname, $printed)=
1.288     albertel 1586: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1587: 				  \@master_seq,$flag_latex_header_remove,
                   1588: 				  $LaTeXwidth);
1.375     foxr     1589: 	     $resources_printed .= ":";
1.295     albertel 1590: 	     $print_array[$file_num].=$output;
1.288     albertel 1591: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1592: 				       &mt('last assignment').' '.$fullname);
                   1593: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1594: 	     $count++;
1.331     albertel 1595: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1596: 	 }
                   1597: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1598: 	 $result .= $print_array[0].'  \end{document}';
                   1599:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1600:     #prints selected problems from the subdirectory 
                   1601: 	$selectionmade = 6;
                   1602:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1603: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1604: 	my $flag_latex_header_remove = 'NO'; 
                   1605: 	my $rndseed=time;
1.230     albertel 1606: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1607: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1608: 	}
1.151     sakharuk 1609: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1610: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1611: 	    $urlp=~s|//|/|;
1.152     sakharuk 1612: 	    if ($urlp=~/\//) {
1.353     foxr     1613: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1614: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1615: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1616: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1617: 		} else {
1.302     sakharuk 1618: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1619: 		}
1.375     foxr     1620: 		$resources_printed .= $urlp.':';
1.166     albertel 1621: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1622: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1623: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1624: 		    #  Don't permanently pervert %form:
                   1625: 		    my %answerform = %form;
                   1626: 		    $answerform{'grade_target'}='answer';
                   1627: 		    $answerform{'answer_output_mode'}='tex';
                   1628: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1629: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     1630: 		    $resources_printed .= $urlp.':';
1.380     foxr     1631: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.251     sakharuk 1632: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1633: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1634: 		    } else {
1.253     sakharuk 1635: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1636: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1637: 			    $texversion.='\vskip 0 mm \noindent ';
                   1638: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1639: 			} else {
                   1640: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1641: 			    my $URLpath=$urlp;
                   1642: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1643: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1644: 			}
                   1645: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1646: 		    }
1.174     sakharuk 1647: 		}
1.151     sakharuk 1648:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1649: 		my $newurlp=$urlp;
                   1650: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1651: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1652: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1653: 		if ($flag_latex_header_remove ne 'NO') {
                   1654: 		    $texversion = &latex_header_footer_remove($texversion);
                   1655: 		} else {
                   1656: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1657: 		}
                   1658: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1659: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1660: 		}
1.219     sakharuk 1661: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1662: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1663: 		    
                   1664: 		}
1.152     sakharuk 1665: 		$result .= $texversion;
                   1666: 	    }
                   1667: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1668: 	}
1.175     sakharuk 1669: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1670: 	$result .= '\end{document}';      	
1.140     sakharuk 1671:     }
                   1672: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1673:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.408     albertel 1674:     $result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   1675: 				 $helper->{'VARS'}->{'ANSWER_TYPE'});
                   1676:     for (my $i=1;$i<=$#print_array;$i++) {
                   1677: 	$print_array[$i] = 
                   1678: 	    &latex_corrections($number_of_columns,$print_array[$i],
                   1679: 			       $selectionmade, 
                   1680: 			       $helper->{'VARS'}->{'ANSWER_TYPE'});
                   1681:     }
1.190     sakharuk 1682:     #changes page's parameters for the one column output 
1.195     sakharuk 1683:     if ($numberofcolumns == 1) {
1.339     albertel 1684: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1685: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1686: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1687: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1688:     }
1.367     foxr     1689: 
1.140     sakharuk 1690: #-- writing .tex file in prtspool 
                   1691:     my $temp_file;
1.277     albertel 1692:     my $identifier = &Apache::loncommon::get_cgi_id();
1.379     foxr     1693:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.277     albertel 1694:     if (!($#print_array>0)) { 
                   1695: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1696: 	    $r->log_error("Couldn't open $filename for output $!");
                   1697: 	    return SERVER_ERROR; 
                   1698: 	}
                   1699: 	print $temp_file $result;
                   1700: 	my $begin=index($result,'\begin{document}',0);
                   1701: 	my $inc=substr($result,0,$begin+16);
                   1702:     } else {
                   1703: 	my $begin=index($result,'\begin{document}',0);
                   1704: 	my $inc=substr($result,0,$begin+16);
                   1705:         for (my $i=0;$i<=$#print_array;$i++) {
                   1706: 	    if ($i==0) {
                   1707: 		$print_array[$i]=$result;
                   1708: 	    } else {
                   1709: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1710: 		substr($print_array[$i],0,$anobegin)='';
                   1711: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1712: 	    }
1.272     sakharuk 1713: 	    my $temp_file;
1.273     sakharuk 1714: 	    my $newfilename=$filename;
1.277     albertel 1715: 	    my $num=$i+1;
1.379     foxr     1716: 	    $newfilename =~s/\.tex$//; 
                   1717: 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1.272     sakharuk 1718: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1719: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1720: 		return SERVER_ERROR; 
                   1721: 	    }
                   1722: 	    print $temp_file $print_array[$i];
                   1723: 	}
                   1724:     }
1.274     sakharuk 1725:     my $student_names='';
                   1726:     if ($#print_array>0) {
                   1727: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1728: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1729: 	}
1.277     albertel 1730:     } else {
1.278     albertel 1731: 	if ($#student_names>-1) {
                   1732: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1733: 	} else {
1.373     albertel 1734: 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   1735: 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   1736: 				$env{'request.course.sec'},$fullname).
1.278     albertel 1737: 				    '_ENDPERSON_'.'_END_';
                   1738: 	}
1.274     sakharuk 1739:     }
                   1740: 
1.276     sakharuk 1741:     my $URLback=''; #link to original document
                   1742:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1743: 	#prints published resource
1.342     albertel 1744: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1745:     } else {
                   1746: 	#prints resource from the construction space
                   1747: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1748: 	if ($URLback=~/([^?]+)/) {
                   1749: 	    $URLback=$1;
                   1750: 	    $URLback=~s|^/~|/priv/|;
                   1751: 	}
1.276     sakharuk 1752:     }
1.375     foxr     1753:     # logic for now is too complex to trace if this has been defined
                   1754:     #  yet.
                   1755:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1756:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.257     sakharuk 1757:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1758:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1759:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1760: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1761:                             'cgi.'.$identifier.'.selection' => $selectionmade,
1.375     foxr     1762: 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1763: 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.397     albertel 1764: 			    'cgi.'.$identifier.'.role' => $perm{'pav'},
1.375     foxr     1765:                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   1766:                             'cgi.'.$identifier.'.studentnames' => $student_names,
                   1767:                             'cgi.'.$identifier.'.backref' => $URLback,);
                   1768:     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
                   1769: 			    "cgi.$identifier.domain"  => $env{'user.domain'},
                   1770: 			    "cgi.$identifier.courseid" => $cnum, 
                   1771: 			    "cgi.$identifier.coursedom" => $cdom, 
                   1772: 			    "cgi.$identifier.resources" => $resources_printed);
                   1773: 
1.431   ! albertel 1774:     my $end_page = &Apache::loncommon::end_page();
        !          1775:     $r->print(<<FINALEND);
1.317     albertel 1776: <br />
1.288     albertel 1777: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1778: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.431   ! albertel 1779: $end_page
1.140     sakharuk 1780: FINALEND
                   1781: }
                   1782: 
1.288     albertel 1783: 
                   1784: sub get_CODE {
1.381     albertel 1785:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 1786:     my $max='1'.'0'x$size;
                   1787:     my $newcode;
                   1788:     while(1) {
1.392     albertel 1789: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 1790: 	if (!exists($$all_codes{$newcode})) {
                   1791: 	    $$all_codes{$newcode}=1;
1.381     albertel 1792: 	    if ($type eq 'number' ) {
                   1793: 		return $newcode;
                   1794: 	    } else {
                   1795: 		return &num_to_letters($newcode);
                   1796: 	    }
1.288     albertel 1797: 	}
                   1798:     }
                   1799: }
1.140     sakharuk 1800: 
1.284     albertel 1801: sub print_resources {
1.360     albertel 1802:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 1803: 	$LaTeXwidth)=@_;
1.284     albertel 1804:     my $current_output = ''; 
1.375     foxr     1805:     my $printed = '';
1.284     albertel 1806:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1807:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1808:     my $namepostfix;
1.288     albertel 1809:     if ($person =~ 'anon') {
1.323     sakharuk 1810: 	$namepostfix="\\\\Name: ";
1.288     albertel 1811: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1812:     }
1.350     foxr     1813:     my $i           = 0;
1.284     albertel 1814:     #goes through all resources, checks if they are available for 
                   1815:     #current student, and produces output   
1.428     albertel 1816: 
                   1817:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 1818:     my %page_breaks  = &get_page_breaks($helper);
1.417     foxr     1819:     my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
                   1820:     my $columns_in_format = $format_array[1];
1.363     foxr     1821: 
1.284     albertel 1822:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1823: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1824: 	    if($i != 0) {
                   1825: 		$current_output.= "\\newpage\n";
                   1826: 	    }
                   1827: 	}
                   1828: 	$i++;
1.284     albertel 1829: 	if ( !($type eq 'problems' && 
                   1830: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1831: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1832: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 1833: 		if ($res_url!~m|^ext/|
1.413     albertel 1834: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1835: 		    $printed .= $curresline.':';
1.428     albertel 1836: 
                   1837: 		    &Apache::lonxml::remember_problem_counter();    
                   1838: 
1.373     albertel 1839: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 1840: 
1.305     sakharuk 1841: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1842: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1843: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   1844: 			my %answerenv = %{$moreenv};
                   1845: 			$answerenv{'answer_output_mode'}='tex';
                   1846: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 1847: 			
                   1848: 			&Apache::lonxml::restore_problem_counter();
                   1849: 
1.380     foxr     1850: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 1851: 
1.305     sakharuk 1852: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1853: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1854: 			} else {
1.423     foxr     1855: 
                   1856: 			    
                   1857: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1858: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1859: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);			    
                   1860: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   1861: 			    $body     = &encapsulate_minipage($body);
                   1862: 			    $rendered = $header.$body;
1.305     sakharuk 1863: 			}
                   1864: 		    }
                   1865: 		    if ($remove_latex_header eq 'YES') {
                   1866: 			$rendered = &latex_header_footer_remove($rendered);
                   1867: 		    } else {
                   1868: 			$rendered =~ s/\\end{document}//;
                   1869: 		    }
                   1870: 		    $current_output .= $rendered;		    
                   1871: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     1872: 		    $printed .= $curresline.':';
1.373     albertel 1873: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 1874: 
1.305     sakharuk 1875: 		    if ($remove_latex_header eq 'YES') {
                   1876: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1877: 		    } else {
1.305     sakharuk 1878: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1879: 		    }
1.421     foxr     1880: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
                   1881: 
1.284     albertel 1882: 		} else {
1.414     albertel 1883: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 1884: 		    if ($remove_latex_header ne 'NO') {
                   1885: 			$rendered = &latex_header_footer_remove($rendered);
                   1886: 		    } else {
                   1887: 			$rendered =~ s/\\end{document}//;
                   1888: 		    }
                   1889: 		    $current_output .= $rendered;
1.284     albertel 1890: 		}
                   1891: 	    }
                   1892: 	    $remove_latex_header = 'YES';
                   1893: 	}
1.331     albertel 1894: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1895:     }
                   1896:     my $courseidinfo = &get_course();
                   1897:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1898:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1899:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1900:     if ($current_output=~/\\documentclass/) {
1.417     foxr     1901: 	if ($columns_in_format == 1) {
1.416     foxr     1902: 	    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
                   1903: 	} else {
                   1904: 	    	    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
                   1905: 
                   1906: 	}
1.284     albertel 1907:     } else {
                   1908: 	my $blankpages = '';
                   1909: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.417     foxr     1910: 	if ($columns_in_format == 1) {
1.416     foxr     1911: 	    $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
                   1912: 	} else {
                   1913: 	   $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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;
                   1914: 	}
1.284     albertel 1915:     }
1.375     foxr     1916:     return ($current_output,$fullname, $printed);
1.284     albertel 1917: 
                   1918: }
1.140     sakharuk 1919: 
1.3       sakharuk 1920: sub handler {
                   1921: 
                   1922:     my $r = shift;
1.397     albertel 1923:     
                   1924:     &init_perm();
1.114     bowersj2 1925: 
1.416     foxr     1926: 
1.67      www      1927: 
1.397     albertel 1928:     my $helper = printHelper($r);
                   1929:     if (!ref($helper)) {
                   1930: 	return $helper;
1.60      sakharuk 1931:     }
1.177     sakharuk 1932:    
1.184     sakharuk 1933: 
1.373     albertel 1934:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     1935:  
1.416     foxr     1936: 
1.350     foxr     1937: 
                   1938: 
1.367     foxr     1939:     #  If a figure conversion queue file exists for this user.domain
                   1940:     # we delete it since it can only be bad (if it were good, printout.pl
                   1941:     # would have deleted it the last time around.
                   1942: 
1.373     albertel 1943:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     1944:     if(-e $conversion_queuefile) {
                   1945: 	unlink $conversion_queuefile;
                   1946:     }
1.184     sakharuk 1947:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1948:     return OK;
1.60      sakharuk 1949: } 
1.2       sakharuk 1950: 
1.131     bowersj2 1951: use Apache::lonhelper;
1.130     sakharuk 1952: 
1.223     bowersj2 1953: sub addMessage {
                   1954:     my $text = shift;
                   1955:     my $paramHash = Apache::lonhelper::getParamHash();
                   1956:     $paramHash->{MESSAGE_TEXT} = $text;
                   1957:     Apache::lonhelper::message->new();
                   1958: }
                   1959: 
1.416     foxr     1960: 
1.238     bowersj2 1961: 
1.397     albertel 1962: sub init_perm {
                   1963:     undef(%perm);
                   1964:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   1965:     if (!$perm{'pav'}) {
                   1966: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   1967: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   1968:     }
                   1969:     $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   1970:     if (!$perm{'pfo'}) {
                   1971: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   1972: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   1973:     }
                   1974: }
                   1975: 
1.131     bowersj2 1976: sub printHelper {
1.115     bowersj2 1977:     my $r = shift;
                   1978: 
                   1979:     if ($r->header_only) {
1.373     albertel 1980:         if ($env{'browser.mathml'}) {
1.241     www      1981:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1982:         } else {
1.241     www      1983:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1984:         }
                   1985:         $r->send_http_header;
                   1986:         return OK;
1.115     bowersj2 1987:     }
                   1988: 
1.131     bowersj2 1989:     # Send header, nocache
1.373     albertel 1990:     if ($env{'browser.mathml'}) {
1.241     www      1991:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1992:     } else {
1.241     www      1993:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1994:     }
                   1995:     &Apache::loncommon::no_cache($r);
                   1996:     $r->send_http_header;
                   1997:     $r->rflush();
                   1998: 
1.131     bowersj2 1999:     # Unfortunately, this helper is so complicated we have to
                   2000:     # write it by hand
                   2001: 
                   2002:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   2003:     
1.176     bowersj2 2004:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 2005:     $helper->declareVar('symb');
1.156     bowersj2 2006:     $helper->declareVar('postdata');    
1.290     sakharuk 2007:     $helper->declareVar('curseed'); 
                   2008:     $helper->declareVar('probstatus');   
1.156     bowersj2 2009:     $helper->declareVar('filename');
                   2010:     $helper->declareVar('construction');
1.178     sakharuk 2011:     $helper->declareVar('assignment');
1.262     sakharuk 2012:     $helper->declareVar('style_file');
1.340     foxr     2013:     $helper->declareVar('student_sort');
1.363     foxr     2014:     $helper->declareVar('FINISHPAGE');
1.366     foxr     2015:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     2016:     $helper->declareVar("showallfoils");
1.363     foxr     2017: 
                   2018:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     2019:     # But we only do this in the initial state so that they are allowed to change.
                   2020:     #
1.366     foxr     2021: 
1.416     foxr     2022:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     2023:     
                   2024:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     2025: 						{'pagebreaks'  => 'scalar',
                   2026: 					         'lastprinttype' => 'scalar'});
                   2027:     
1.394     foxr     2028:     
                   2029:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   2030: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   2031: 	    
                   2032: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2033: 	} else {
                   2034: 	    my $state = $env{"form.CURRENT_STATE"};
                   2035: 	    if ($state eq "START") {
                   2036: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2037: 	    }
                   2038: 	}
                   2039: 	
1.366     foxr     2040:     }
1.416     foxr     2041: 
1.131     bowersj2 2042:     
                   2043:     # This will persistently load in the data we want from the
                   2044:     # very first screen.
1.156     bowersj2 2045:     # Detect whether we're coming from construction space
1.373     albertel 2046:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 2047:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 2048:         $helper->{VARS}->{'construction'} = 1;
                   2049:     } else {
1.373     albertel 2050:         if ($env{'form.postdata'}) {
                   2051:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.156     bowersj2 2052:         }
1.373     albertel 2053:         if ($env{'form.symb'}) {
                   2054:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 2055:         }
1.373     albertel 2056:         if ($env{'form.url'}) {
1.156     bowersj2 2057:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   2058:         }
1.416     foxr     2059: 
1.157     bowersj2 2060:     }
1.156     bowersj2 2061: 
1.373     albertel 2062:     if ($env{'form.symb'}) {
                   2063:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 2064:     }
1.373     albertel 2065:     if ($env{'form.url'}) {
1.140     sakharuk 2066:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 2067: 
1.140     sakharuk 2068:     }
1.343     albertel 2069:     $helper->{VARS}->{'symb'}=
                   2070: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 2071:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 2072:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 2073: 
1.156     bowersj2 2074:     
1.146     bowersj2 2075:     # Extract map
                   2076:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 2077:     my ($map, $id, $url);
                   2078:     my $subdir;
                   2079: 
                   2080:     # Get the resource name from construction space
                   2081:     if ($helper->{VARS}->{'construction'}) {
                   2082:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   2083:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   2084:         $subdir = substr($helper->{VARS}->{'filename'},
                   2085:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   2086:     } else {
1.233     www      2087:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 2088:         $helper->{VARS}->{'postdata'} = 
                   2089: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 2090: 
1.156     bowersj2 2091:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 2092:             my $postdata = $helper->{VARS}->{'postdata'};
                   2093:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 2094:         }
                   2095:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 2096:     }
1.373     albertel 2097:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   2098: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 2099:     }
1.373     albertel 2100:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   2101: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1.290     sakharuk 2102:     }
1.115     bowersj2 2103: 
1.192     bowersj2 2104:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   2105: 
1.131     bowersj2 2106:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 2107: 
1.131     bowersj2 2108:     # "Delete everything after the last slash."
1.119     bowersj2 2109:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 2110:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 2111: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 2112:     }
1.189     bowersj2 2113:     # "Remove all duplicate slashes."
                   2114:     $subdir =~ s|/+|/|g;
1.119     bowersj2 2115: 
1.131     bowersj2 2116:     # What can be printed is a very dynamic decision based on
                   2117:     # lots of factors. So we need to dynamically build this list.
                   2118:     # To prevent security leaks, states are only added to the wizard
                   2119:     # if they can be reached, which ensures manipulating the form input
                   2120:     # won't allow anyone to reach states they shouldn't have permission
                   2121:     # to reach.
                   2122: 
                   2123:     # printChoices is tracking the kind of printing the user can
                   2124:     # do, and will be used in a choices construction later.
                   2125:     # In the meantime we will be adding states and elements to
                   2126:     # the helper by hand.
                   2127:     my $printChoices = [];
                   2128:     my $paramHash;
1.130     sakharuk 2129: 
1.240     albertel 2130:     if ($resourceTitle) {
1.291     sakharuk 2131:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 2132:     }
                   2133: 
1.238     bowersj2 2134:     # Useful filter strings
1.287     albertel 2135:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 2136:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 2137:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   2138:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 2139:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   2140:     my $isMap = '$res->is_map()';
1.342     albertel 2141:     my $symbFilter = '$res->shown_symb()';
                   2142:     my $urlValue = '$res->link()';
1.238     bowersj2 2143: 
                   2144:     $helper->declareVar('SEQUENCE');
                   2145: 
1.416     foxr     2146: 
1.238     bowersj2 2147: 
1.131     bowersj2 2148:     # If we're in a sequence...
1.235     bowersj2 2149:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     2150: 
1.243     bowersj2 2151: 	$helper->{VARS}->{'postdata'} &&
                   2152: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 2153:         # Allow problems from sequence
1.291     sakharuk 2154:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 2155:         # Allow all resources from sequence
1.291     sakharuk 2156:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 2157: 
1.131     bowersj2 2158:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 2159:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   2160:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2161:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2162:               closeallpages="1">
1.144     bowersj2 2163:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2164:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 2165:       <mapurl>$map</mapurl>
1.238     bowersj2 2166:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2167:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 2168:       </resource>
                   2169:     </state>
                   2170: 
1.155     sakharuk 2171:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   2172:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2173:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2174:               closeallpages="1">
1.144     bowersj2 2175:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 2176:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2177:       <mapurl>$map</mapurl>
1.238     bowersj2 2178:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2179:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 2180:       </resource>
                   2181:     </state>
                   2182: HELPERFRAGMENT
1.121     bowersj2 2183: 
1.326     sakharuk 2184: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2185:     }
                   2186: 
1.397     albertel 2187:     # If the user has pfo (print for otheres) allow them to print all 
1.354     foxr     2188:     # problems and resources  in the entier course, optionally for selected students
1.397     albertel 2189:     if ($perm{'pfo'} && 
1.306     sakharuk 2190:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     2191: 
1.254     sakharuk 2192:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     2193: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 2194:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2195:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   2196:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2197:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2198: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2199:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2200:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2201:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2202:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2203:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 2204:     </resource>
                   2205:   </state>
1.354     foxr     2206:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2207:     <message>(Mark them then click "next" button) <br /> </message>
                   2208:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2209:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2210:       <nextstate>PAGESIZE</nextstate>
                   2211:       <filterfunc>return $isNotMap; </filterfunc>
                   2212:       <valuefunc>return $symbFilter;</valuefunc>
                   2213:       <option text='NewPage' variable='FINISHPAGE' />
                   2214:     </resource>
                   2215:   </state>
1.284     albertel 2216: ALL_PROBLEMS
1.132     bowersj2 2217: 
1.284     albertel 2218: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2219: 	    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'];
                   2220: 	    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 2221: 	}
1.424     foxr     2222: 
                   2223: 	# resource_selector will hold a few states that:
                   2224: 	#   - Allow resources to be selected for printing.
                   2225: 	#   - Determine pagination between assignments.
                   2226: 	#   - Determine how many assignments should be bundled into a single PDF.
                   2227:         # TODO:
                   2228: 	#    Probably good to do things like separate this up into several vars, each
                   2229: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   2230: 	#    and next states for better mix and match capability
                   2231: 	#
1.284     albertel 2232: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2233:     <state name="SELECT_PROBLEMS" title="Select resources to print">
                   2234:    <nextstate>PRINT_FORMATTING</nextstate> 
1.284     albertel 2235:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2236:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2237:               closeallpages="1">
1.254     sakharuk 2238:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2239:       <mapurl>$map</mapurl>
1.254     sakharuk 2240:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2241:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 2242:       </resource>
1.424     foxr     2243:     </state>
                   2244:     <state name="PRINT_FORMATTING" title="How should results be printed?">
                   2245:     <nextstate>NUMBER_PER_PDF</nextstate>
1.155     sakharuk 2246:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2247:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2248:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2249:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2250:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2251:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2252:     </choices>
1.424     foxr     2253:     </state>
                   2254:     <state name="NUMBER_PER_PDF" title="Number printed at once">
                   2255:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2256:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2257:     <choices variable="SPLIT_PDFS">
                   2258:        <choice computer="all">All assignments in a single PDF file</choice>
                   2259:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2260:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                   2261:        <choice computer="usenumber">Specify Number:</choice>
                   2262:     </choices>
1.284     albertel 2263:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1.424     foxr     2264:     </state>
1.284     albertel 2265: RESOURCE_SELECTOR
                   2266: 
                   2267:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2268:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.352     foxr     2269:       <message><b>Select sort order</b> </message>
1.340     foxr     2270:     <choices variable='student_sort'>
                   2271:       <choice computer='0'>Sort by section then student</choice>
                   2272:       <choice computer='1'>Sort by students across sections.</choice>
                   2273:     </choices>
1.425     foxr     2274:       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
1.424     foxr     2275:   </state>
1.284     albertel 2276:     $resource_selector
1.131     bowersj2 2277: CHOOSE_STUDENTS
1.292     albertel 2278: 
1.373     albertel 2279: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2280: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2281:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2282: 	my $namechoice='<choice></choice>';
1.337     albertel 2283: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2284: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2285: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2286: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2287: 	}
1.389     foxr     2288: 
                   2289: 
                   2290: 	my %code_values;
1.405     albertel 2291: 	my %codes_to_print;
1.411     albertel 2292: 	foreach my $key (@names) {
1.389     foxr     2293: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 2294: 	    foreach my $key (keys(%code_values)) {
                   2295: 		$codes_to_print{$key} = 1;
1.388     foxr     2296: 	    }
                   2297: 	}
1.389     foxr     2298: 
1.388     foxr     2299: 	my $code_selection = "<choice></choice>\n";
1.405     albertel 2300: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     2301: 	    my $choice  = $code;
                   2302: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2303: 		$choice = &letters_to_num($code);
                   2304: 	    }
                   2305: 	    $code_selection .= '   <choice computer="'.$choice.'">'.$code."</choice>\n";
1.388     foxr     2306: 	}
1.381     albertel 2307: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2308: 	my $codechoice='';
                   2309: 	foreach my $line (<FH>) {
                   2310: 	    my ($name,$description,$code_type,$code_length)=
                   2311: 		(split(/:/,$line))[0,1,2,4];
                   2312: 	    if ($code_length > 0 && 
                   2313: 		$code_type =~/^(letter|number|-1)/) {
                   2314: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2315: 	    }
                   2316: 	}
                   2317: 	if ($codechoice eq '') {
                   2318: 	    $codechoice='<choice computer="default">Default</choice>';
                   2319: 	}
1.284     albertel 2320:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   2321:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.424     foxr     2322:     <nextstate>SELECT_PROBLEMS</nextstate>
1.412     albertel 2323:     <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
1.362     albertel 2324:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2325:        <validator>
                   2326: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2327: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2328:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   2329: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2330: 	    return "You need to specify the number of assignments to print";
                   2331: 	}
                   2332: 	return undef;
                   2333:        </validator>
                   2334:     </string>
                   2335:     <message></td></tr><tr><td></message>
1.412     albertel 2336:     <message><b>Names to store the CODEs under for later:</b></message>
                   2337:     <message></td><td></message>
                   2338:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2339:     <message></td></tr><tr><td></message>
                   2340:     <message><b>Bubble sheet type:</b></message>
                   2341:     <message></td><td></message>
                   2342:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2343:     $codechoice
                   2344:     </dropdown>
                   2345:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2346:     <message></td></tr><tr><td></message>
                   2347:     <message><b>Enter a CODE to print:</b></td><td></message>
                   2348:     <string variable="SINGLE_CODE" size="10">
1.382     foxr     2349:         <validator>
                   2350: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2351: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2352: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     2353: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2354: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2355: 	   } else {
                   2356: 	       return undef;	# Other forces control us.
                   2357: 	   }
                   2358:         </validator>
                   2359:     </string>
1.412     albertel 2360:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2361:     <message><b>Reprint a set of saved CODEs:</b></message>
1.381     albertel 2362:     <message></td><td></message>
1.292     albertel 2363:     <dropdown variable="REUSE_OLD_CODES">
                   2364:         $namechoice
                   2365:     </dropdown>
1.412     albertel 2366:     <message></td></tr></table></message>
1.284     albertel 2367:     <message><hr width='33%' /></message>
                   2368:   </state>
1.424     foxr     2369:   $resource_selector
1.284     albertel 2370: CHOOSE_ANON1
1.254     sakharuk 2371: 
1.272     sakharuk 2372: 
1.254     sakharuk 2373: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2374: 	    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'];
                   2375: 	    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 2376: 	}
1.284     albertel 2377: 	    
                   2378: 
                   2379: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2380:     <state name="SELECT_RESOURCES" title="Select Resources">
                   2381:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 2382:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2383:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2384:               closeallpages="1">
1.254     sakharuk 2385:       <filterfunc>return $isNotMap;</filterfunc>
                   2386:       <mapurl>$map</mapurl>
                   2387:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2388:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 2389:       </resource>
1.424     foxr     2390:     </state>
                   2391:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   2392:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 2393:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2394:     <choices variable="EMPTY_PAGES">
                   2395:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2396:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2397:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2398:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2399:     </choices>
1.424     foxr     2400:     </state>
1.429     foxr     2401:     <state name="NUMBER_PER_PDF" title="Number assignments per pdf">
1.424     foxr     2402:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2403:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2404:     <choices variable="SPLIT_PDFS">
                   2405:        <choice computer="all">All assignments in a single PDF file</choice>
                   2406:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2407:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                   2408:        <choice computer="usenumber">Specify Number:</choice>
                   2409:     </choices>
1.284     albertel 2410:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
1.424     foxr     2411:     </state>
1.284     albertel 2412: RESOURCE_SELECTOR
                   2413: 
                   2414: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2415:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     2416:     <choices variable='student_sort'>
                   2417:       <choice computer='0'>Sort by section then student</choice>
                   2418:       <choice computer='1'>Sort by students across sections.</choice>
                   2419:     </choices>
1.426     foxr     2420:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     2421: 
1.424     foxr     2422:     </state>
1.284     albertel 2423:     $resource_selector
1.254     sakharuk 2424: CHOOSE_STUDENTS1
                   2425: 
1.284     albertel 2426: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   2427:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.424     foxr     2428:     <nextstate>SELECT_RESOURCES</nextstate>
1.412     albertel 2429:     <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
1.362     albertel 2430:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2431:        <validator>
                   2432: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     2433: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2434: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   2435: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2436: 	    return "You need to specify the number of assignments to print";
                   2437: 	}
                   2438: 	return undef;
                   2439:        </validator>
                   2440:     </string>
                   2441:     <message></td></tr><tr><td></message>
1.412     albertel 2442:     <message><b>Names to store the CODEs under for later:</b></message>
                   2443:     <message></td><td></message>
                   2444:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2445:     <message></td></tr><tr><td></message>
                   2446:     <message><b>Bubble sheet type:</b></message>
                   2447:     <message></td><td></message>
                   2448:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2449:     $codechoice
                   2450:     </dropdown>
                   2451:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2452:     <message></td></tr><tr><td></message>
                   2453:     <message><b>Enter a CODE to print:</b></td><td></message>
                   2454:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     2455:         <validator>
                   2456: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2457: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2458: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     2459: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2460: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2461: 	   } else {
                   2462: 	       return undef;	# Other forces control us.
                   2463: 	   }
                   2464:         </validator>
                   2465:     </string>
1.412     albertel 2466:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2467:     <message><b>Reprint a set of saved CODEs:</b></message>
1.381     albertel 2468:     <message></td><td></message>
1.294     albertel 2469:     <dropdown variable="REUSE_OLD_CODES">
                   2470:         $namechoice
                   2471:     </dropdown>
1.412     albertel 2472:     <message></td></tr></table></message>
1.284     albertel 2473:     <message><hr width='33%' /></message>
1.424     foxr     2474:   </state>
1.284     albertel 2475:     $resource_selector
                   2476: CHOOSE_ANON2
1.121     bowersj2 2477:     }
                   2478: 
                   2479:     # FIXME: That RE should come from a library somewhere.
1.397     albertel 2480:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 2481:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2482: 
1.131     bowersj2 2483:         my $f = '$filename';
1.139     bowersj2 2484:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2485:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   2486:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 2487:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2488:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2489:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2490: CHOOSE_FROM_SUBDIR
                   2491:         
1.238     bowersj2 2492:         # this is broken up because I really want interpolation above,
                   2493:         # and I really DON'T want it below
1.139     bowersj2 2494:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2495:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2496: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2497:       </filefilter>
1.138     bowersj2 2498:       </files>
1.131     bowersj2 2499:     </state>
                   2500: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2501:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2502:     }
1.238     bowersj2 2503: 
                   2504:     # Allow the user to select any sequence in the course, feed it to
                   2505:     # another resource selector for that sequence
1.239     bowersj2 2506:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 2507: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 2508: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2509: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2510: 	#Escape apostrophes and backslashes for Perl
                   2511: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2512: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2513: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2514:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2515:     <message>Select the sequence to print resources from:</message>
                   2516:     <resource variable="SEQUENCE">
                   2517:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2518:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2519:       <valuefunc>return $urlValue;</valuefunc>
1.391     foxr     2520:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   2521: 	</choicefunc>
1.238     bowersj2 2522:       </resource>
                   2523:     </state>
                   2524:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2525:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2526:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2527:               closeallpages="1">
1.238     bowersj2 2528:       <nextstate>PAGESIZE</nextstate>
                   2529:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2530:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2531:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2532:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2533:       </resource>
                   2534:     </state>
                   2535: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2536: }
1.131     bowersj2 2537: 
                   2538:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2539:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2540:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2541:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2542:     Apache::lonhelper::message->new();
                   2543:     $paramHash = Apache::lonhelper::getParamHash();
                   2544:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2545:     $paramHash->{CHOICES} = $printChoices;
                   2546:     Apache::lonhelper::choices->new();
1.161     bowersj2 2547: 
1.223     bowersj2 2548:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2549:                           # to close it later)
                   2550: 
1.397     albertel 2551:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 2552: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2553: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2554:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2555: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2556: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2557:         $paramHash->{CHOICES} = [
1.242     sakharuk 2558:                                    ['Without Answers', 'yes'],
                   2559:                                    ['With Answers', 'no'],
1.368     albertel 2560:                                    ['Only Answers', 'only']
1.289     sakharuk 2561:                                 ];
1.210     sakharuk 2562:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2563: 	addMessage("</td></tr>");
                   2564: 	$startedTable = 1;
1.161     bowersj2 2565:     }
1.209     sakharuk 2566: 
1.397     albertel 2567:     if ($perm{'pav'}) {
1.223     bowersj2 2568: 	if (!$startedTable) {
                   2569: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2570: 	    $startedTable = 1;
                   2571: 	} else {
                   2572: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2573: 	}
1.203     sakharuk 2574:         $paramHash = Apache::lonhelper::getParamHash();
                   2575: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2576: 	$helper->declareVar('LATEX_TYPE');  
                   2577: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2578: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2579: 				     ['standard LaTeX mode', 'standard'], 
                   2580: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2581: 	} else {
                   2582: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2583: 				     ['LaTeX batchmode', 'batchmode'],
                   2584: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2585: 	}
1.210     sakharuk 2586:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2587:  
1.223     bowersj2 2588: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2589:         $paramHash = Apache::lonhelper::getParamHash();
                   2590: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2591: 	$helper->declareVar('TABLE_CONTENTS');         
                   2592:         $paramHash->{CHOICES} = [
1.223     bowersj2 2593:                                    ['No', 'no'],
                   2594:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2595:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2596: 	addMessage("</td></tr>");
1.214     sakharuk 2597:         
1.220     sakharuk 2598: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2599: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2600: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2601: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2602: 	    $helper->declareVar('TABLE_INDEX');         
                   2603: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2604: 				     ['No', 'no'],
                   2605: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2606: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2607: 	    addMessage("</td></tr>");
1.309     sakharuk 2608: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2609: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2610: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2611: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2612: 	    $paramHash->{CHOICES} = [
                   2613: 				     ['No', 'no'],
                   2614: 				     ['Yes', 'yes'] ];
                   2615: 	    Apache::lonhelper::dropdown->new();
                   2616: 	    addMessage("</td></tr>");
1.372     foxr     2617: 
1.397     albertel 2618: 	    addMessage("<tr><td align = 'right'>  </td><td>");
                   2619: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2620: 	    $paramHash->{'multichoice'} = "true";
                   2621: 	    $paramHash->{'allowempty'}  = "true";
                   2622: 	    $paramHash->{'variable'}   = "showallfoils";
                   2623: 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   2624: 	    Apache::lonhelper::choices->new();
                   2625: 	    addMessage("</td></tr>");
1.220     sakharuk 2626: 	}
1.219     sakharuk 2627: 
1.230     albertel 2628: 	if ($helper->{'VARS'}->{'construction'}) { 
1.373     albertel 2629: 	    my $stylevalue=$env{'construct.style'};
1.265     sakharuk 2630: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2631: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2632: 	    <string variable="curseed" size="15" maxlength="15">
                   2633: 		<defaultvalue>
                   2634: 	            return $helper->{VARS}->{'curseed'};
                   2635: 	        </defaultvalue>
1.262     sakharuk 2636: 	    </string>
1.264     sakharuk 2637: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.415     albertel 2638:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
1.371     foxr     2639: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2640:                 <choice computer="1">Show all foils?</choice>
                   2641:              </choices>
1.378     albertel 2642: 	     <message></td></tr></message>
1.230     albertel 2643: RNDSEED
                   2644:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.373     albertel 2645: 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
1.371     foxr     2646: 	    
1.372     foxr     2647: 	} 
1.223     bowersj2 2648:     }
1.264     sakharuk 2649: 
                   2650: 
                   2651: 
1.218     sakharuk 2652: 
1.223     bowersj2 2653:     if ($startedTable) {
                   2654: 	addMessage("</table>");
1.215     sakharuk 2655:     }
1.161     bowersj2 2656: 
1.131     bowersj2 2657:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2658: 
1.144     bowersj2 2659:     # Generate the PAGESIZE state which will offer the user the margin
                   2660:     # choices if they select one column
                   2661:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2662:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2663: 
                   2664: 
1.131     bowersj2 2665:     $helper->process();
                   2666: 
1.416     foxr     2667: 
1.131     bowersj2 2668:     # MANUAL BAILOUT CONDITION:
                   2669:     # If we're in the "final" state, bailout and return to handler
                   2670:     if ($helper->{STATE} eq 'FINAL') {
                   2671:         return $helper;
                   2672:     }    
1.130     sakharuk 2673: 
1.131     bowersj2 2674:     $r->print($helper->display());
1.395     www      2675:     if ($helper->{STATE} eq 'START') {
                   2676: 	&recently_generated($r);
                   2677:     }
1.333     albertel 2678:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2679: 
                   2680:     return OK;
                   2681: }
                   2682: 
1.1       www      2683: 
                   2684: 1;
1.119     bowersj2 2685: 
                   2686: package Apache::lonprintout::page_format_state;
                   2687: 
                   2688: =pod
                   2689: 
1.131     bowersj2 2690: =head1 Helper element: page_format_state
                   2691: 
                   2692: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2693: 
1.131     bowersj2 2694: Apache::lonprintout::page_format_state is an element that gives the 
                   2695: user an opportunity to select the page layout they wish to print 
                   2696: with: Number of columns, portrait/landscape, and paper size. If you 
                   2697: want to change the paper size choices, change the @paperSize array 
                   2698: contents in this package.
1.119     bowersj2 2699: 
1.131     bowersj2 2700: page_format_state is always directly invoked in lonprintout.pm, so there
                   2701: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2702: 
                   2703: =over 4
                   2704: 
1.131     bowersj2 2705: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2706: 
                   2707: =back
                   2708: 
                   2709: =cut
                   2710: 
1.131     bowersj2 2711: use Apache::lonhelper;
1.119     bowersj2 2712: 
                   2713: no strict;
1.131     bowersj2 2714: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2715: use strict;
1.266     sakharuk 2716: use Apache::lonlocal;
1.373     albertel 2717: use Apache::lonnet;
1.119     bowersj2 2718: 
                   2719: my $maxColumns = 2;
1.376     albertel 2720: # it'd be nice if these all worked
                   2721: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   2722: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   2723: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2724: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 2725: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 2726: 		 "a4 [210x297 mm]");
1.119     bowersj2 2727: 
                   2728: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2729: #                   Paper type
                   2730: 
                   2731: sub new { 
1.131     bowersj2 2732:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2733: 
1.135     bowersj2 2734:     shift;
                   2735: 
1.131     bowersj2 2736:     $self->{'variable'} = shift;
1.134     bowersj2 2737:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2738:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2739:     bless($self);
1.119     bowersj2 2740:     return $self;
                   2741: }
                   2742: 
                   2743: sub render {
                   2744:     my $self = shift;
1.131     bowersj2 2745:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2746:     my $result = '';
1.131     bowersj2 2747:     my $var = $self->{'variable'};
1.266     sakharuk 2748:     my $PageLayout=&mt('Page layout');
                   2749:     my $NumberOfColumns=&mt('Number of columns');
                   2750:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2751:     $result .= <<STATEHTML;
                   2752: 
1.223     bowersj2 2753: <hr width="33%" />
1.119     bowersj2 2754: <table cellpadding="3">
                   2755:   <tr>
1.266     sakharuk 2756:     <td align="center"><b>$PageLayout</b></td>
                   2757:     <td align="center"><b>$NumberOfColumns</b></td>
                   2758:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2759:   </tr>
                   2760:   <tr>
                   2761:     <td>
1.376     albertel 2762:       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
                   2763:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
1.119     bowersj2 2764:     </td>
1.155     sakharuk 2765:     <td align="center">
1.119     bowersj2 2766:       <select name="${var}.cols">
                   2767: STATEHTML
                   2768: 
                   2769:     my $i;
                   2770:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2771:         if ($i == 2) {
1.119     bowersj2 2772:             $result .= "<option value='$i' selected>$i</option>\n";
                   2773:         } else {
                   2774:             $result .= "<option value='$i'>$i</option>\n";
                   2775:         }
                   2776:     }
                   2777: 
                   2778:     $result .= "</select></td><td>\n";
                   2779:     $result .= "<select name='${var}.paper'>\n";
                   2780: 
1.373     albertel 2781:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 2782:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   2783:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 2784:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2785:     $i = 0;
                   2786:     foreach (@paperSize) {
1.326     sakharuk 2787: 	$_=~/(\w+)/;
                   2788: 	my $papersize=$1;
1.304     sakharuk 2789:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2790:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2791:         } else {
1.326     sakharuk 2792:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2793:         }
                   2794:         $i++;
                   2795:     }
                   2796:     $result .= "</select></td></tr></table>";
                   2797:     return $result;
1.135     bowersj2 2798: }
                   2799: 
                   2800: sub postprocess {
                   2801:     my $self = shift;
                   2802: 
                   2803:     my $var = $self->{'variable'};
1.136     bowersj2 2804:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2805:     $helper->{VARS}->{$var} = 
1.373     albertel 2806:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   2807:         $env{"form.$var.paper"};
1.135     bowersj2 2808:     return 1;
1.119     bowersj2 2809: }
                   2810: 
                   2811: 1;
1.144     bowersj2 2812: 
                   2813: package Apache::lonprintout::page_size_state;
                   2814: 
                   2815: =pod
                   2816: 
                   2817: =head1 Helper element: page_size_state
                   2818: 
                   2819: See lonhelper.pm documentation for discussion of the helper framework.
                   2820: 
                   2821: Apache::lonprintout::page_size_state is an element that gives the 
                   2822: user the opportunity to further refine the page settings if they
                   2823: select a single-column page.
                   2824: 
                   2825: page_size_state is always directly invoked in lonprintout.pm, so there
                   2826: is no tag interface. You actually pass parameters to the constructor.
                   2827: 
                   2828: =over 4
                   2829: 
                   2830: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2831: 
                   2832: =back
                   2833: 
                   2834: =cut
                   2835: 
                   2836: use Apache::lonhelper;
1.373     albertel 2837: use Apache::lonnet;
1.144     bowersj2 2838: no strict;
                   2839: @ISA = ("Apache::lonhelper::element");
                   2840: use strict;
                   2841: 
                   2842: 
                   2843: 
                   2844: sub new { 
                   2845:     my $self = Apache::lonhelper::element->new();
                   2846: 
                   2847:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2848:            # package descriptor)... - Jeremy
                   2849: 
                   2850:     $self->{'variable'} = shift;
                   2851:     my $helper = Apache::lonhelper::getHelper();
                   2852:     $helper->declareVar($self->{'variable'});
                   2853: 
                   2854:     # The variable name of the format element, so we can look into 
                   2855:     # $helper->{VARS} to figure out whether the columns are one or two
                   2856:     $self->{'formatvar'} = shift;
                   2857: 
                   2858:     # The state to transition to after selection, or after discovering
                   2859:     # the cols are not set to 1
                   2860:     $self->{NEXTSTATE} = shift;
                   2861:     bless($self);
                   2862:     return $self;
                   2863: }
                   2864: 
                   2865: sub render {
                   2866:     my $self = shift;
                   2867:     my $helper = Apache::lonhelper::getHelper();
                   2868:     my $result = '';
                   2869:     my $var = $self->{'variable'};
                   2870: 
                   2871:     if (defined $self->{ERROR_MSG}) {
                   2872:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2873:     }
                   2874: 
                   2875:     $result .= <<ELEMENTHTML;
                   2876: 
                   2877: <p>How should the column be formatted?</p>
                   2878: 
                   2879: <table cellpadding='3'>
                   2880:   <tr>
                   2881:     <td align='right'><b>Width</b>:</td>
                   2882:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2883:     <td align='left'>
                   2884:       <select name='$var.widthunit'>
                   2885:         <option>cm</option><option>in</option>
                   2886:       </select>
                   2887:     </td>
                   2888:   </tr>
                   2889:   <tr>
                   2890:     <td align='right'><b>Height</b>:</td>
                   2891:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2892:     <td align='left'>
                   2893:       <select name='$var.heightunit'>
                   2894:         <option>cm</option><option>in</option>
                   2895:       </select>
                   2896:     </td>
                   2897:   </tr>
                   2898:   <tr>
                   2899:     <td align='right'><b>Left margin</b>:</td>
                   2900:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2901:     <td align='left'>
1.186     bowersj2 2902:       <select name='$var.lmarginunit'>
1.144     bowersj2 2903:         <option>cm</option><option>in</option>
                   2904:       </select>
                   2905:     </td>
                   2906:   </tr>
                   2907: </table>
                   2908: 
                   2909: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2910: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2911: 
                   2912: ELEMENTHTML
                   2913: 
                   2914:     return $result;
                   2915: }
                   2916: 
                   2917: # If the user didn't select 1 column, skip this state.
                   2918: sub preprocess {
                   2919:     my $self = shift;
                   2920:     my $helper = Apache::lonhelper::getHelper();
                   2921: 
                   2922:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2923:     if (substr($format, 2, 1) ne '1') {
                   2924:         $helper->changeState($self->{NEXTSTATE});
                   2925:     }
                   2926:    
                   2927:     return 1;
                   2928: }
                   2929: 
                   2930: sub postprocess {
                   2931:     my $self = shift;
                   2932: 
                   2933:     my $var = $self->{'variable'};
                   2934:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 2935:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   2936:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   2937:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   2938:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   2939:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   2940:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 2941: 
                   2942:     my $error = '';
                   2943: 
                   2944:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2945:     # by an optional period, followed by digits, ending the string
                   2946: 
                   2947:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2948:         $error .= "Invalid width; please type only a number.<br />\n";
                   2949:     }
                   2950:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2951:         $error .= "Invalid height; please type only a number.<br />\n";
                   2952:     }
                   2953:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2954:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2955:     }
                   2956: 
                   2957:     if (!$error) {
                   2958:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2959:         return 1;
                   2960:     } else {
                   2961:         $self->{ERROR_MSG} = $error;
                   2962:         return 0;
                   2963:     }
                   2964: }
                   2965: 
                   2966: 
1.119     bowersj2 2967: 
1.1       www      2968: __END__
1.6       sakharuk 2969: 

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