Annotation of loncom/interface/lonprintout.pm, revision 1.469

1.469   ! foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.469   ! foxr        5: # $Id: lonprintout.pm,v 1.468 2006/07/31 10:30:52 foxr Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: #
                     27: # http://www.lon-capa.org/
                     28: #
1.3       sakharuk   29: #
1.1       www        30: package Apache::lonprintout;
                     31: 
                     32: use strict;
1.10      albertel   33: use Apache::Constants qw(:common :http);
1.2       sakharuk   34: use Apache::lonxml;
                     35: use Apache::lonnet;
1.54      sakharuk   36: use Apache::loncommon;
1.13      sakharuk   37: use Apache::inputtags;
1.54      sakharuk   38: use Apache::grades;
1.13      sakharuk   39: use Apache::edit;
1.5       sakharuk   40: use Apache::File();
1.68      sakharuk   41: use Apache::lonnavmaps;
1.227     sakharuk   42: use Apache::lonratedt;
1.34      sakharuk   43: use POSIX qw(strftime);
1.255     www        44: use Apache::lonlocal;
1.429     foxr       45: use Carp;
1.439     www        46: use lib '/home/httpd/lib/perl/';
                     47: use LONCAPA;
1.60      sakharuk   48: 
1.397     albertel   49: my %perm;
1.454     foxr       50: my %parmhash;
1.459     foxr       51: my $resources_printed;
1.454     foxr       52: 
                     53: 
                     54: # Format a header according to a format.  
                     55: # 
                     56: 
                     57: # Substitutions:
                     58: #     %a    - Assignment name.
                     59: #     %c    - Course name.
                     60: #     %n    - Student name.
                     61: #
                     62: sub format_page_header {
                     63:     my ($format, $assignment, $course, $student) = @_;
                     64:     
                     65:     #  Default format?
                     66: 
                     67:     if ($format eq '') {
                     68: 	$format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
                     69: 	
                     70:     } else {
                     71: 	$format =~ s/%a/$assignment/g;
                     72: 	$format =~ s/%c/$course/g;
                     73: 	$format =~ s/%n/$student/g;
                     74:     }
                     75:     
                     76: 
                     77:     return $format;
                     78:     
                     79: }
1.397     albertel   80: 
1.385     foxr       81: #
                     82: #   Convert a numeric code to letters
                     83: #
                     84: sub num_to_letters {
                     85:     my ($num) = @_;
                     86:     my @nums= split('',$num);
                     87:     my @num_to_let=('A'..'Z');
                     88:     my $word;
                     89:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                     90:     return $word;
                     91: }
                     92: #   Convert a letter code to numeric.
                     93: #
                     94: sub letters_to_num {
                     95:     my ($letters) = @_;
                     96:     my @letters = split('', uc($letters));
                     97:     my %substitution;
                     98:     my $digit = 0;
                     99:     foreach my $letter ('A'..'J') {
                    100: 	$substitution{$letter} = $digit;
                    101: 	$digit++;
                    102:     }
                    103:     #  The substitution is done as below to preserve leading
                    104:     #  zeroes which are needed to keep the code size exact
                    105:     #
                    106:     my $result ="";
                    107:     foreach my $letter (@letters) {
                    108: 	$result.=$substitution{$letter};
                    109:     }
                    110:     return $result;
                    111: }
                    112: 
1.383     foxr      113: #  Determine if a code is a valid numeric code.  Valid
                    114: #  numeric codes must be comprised entirely of digits and
1.384     albertel  115: #  have a correct number of digits.
1.383     foxr      116: #
                    117: #  Parameters:
                    118: #     value      - proposed code value.
1.384     albertel  119: #     num_digits - Number of digits required.
1.383     foxr      120: #
                    121: sub is_valid_numeric_code {
1.384     albertel  122:     my ($value, $num_digits) = @_;
1.383     foxr      123:     #   Remove leading/trailing whitespace;
1.387     foxr      124:     $value =~ s/^\s*//g;
                    125:     $value =~ s/\s*$//g;
1.383     foxr      126:     
                    127:     #  All digits?
1.387     foxr      128:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      129: 	return "Numeric code $value has invalid characters - must only be digits";
                    130:     }
1.384     albertel  131:     if (length($value) != $num_digits) {
                    132: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    133:     }
1.385     foxr      134:     return undef;
1.383     foxr      135: }
                    136: #   Determines if a code is a valid alhpa code.  Alpha codes
                    137: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  138: #   They also have a correct digit count.
1.383     foxr      139: # Parameters:
                    140: #     value          - Proposed code value.
1.384     albertel  141: #     num_letters    - correct number of letters.
1.383     foxr      142: # Note:
                    143: #    leading and trailing whitespace are ignored.
                    144: #
                    145: sub is_valid_alpha_code {
1.384     albertel  146:     my ($value, $num_letters) = @_;
1.383     foxr      147:     
                    148:      # strip leading and trailing spaces.
                    149: 
                    150:     $value =~ s/^\s*//g;
                    151:     $value =~ s/\s*$//g;
                    152: 
                    153:     #  All alphas in the right range?
1.384     albertel  154:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      155: 	return "Invalid letter code $value must only contain A-J";
                    156:     }
1.384     albertel  157:     if (length($value) != $num_letters) {
                    158: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    159:     }
1.385     foxr      160:     return undef;
1.383     foxr      161: }
                    162: 
1.382     foxr      163: #   Determine if a code entered by the user in a helper is valid.
                    164: #   valid depends on the code type and the type of code selected.
                    165: #   The type of code selected can either be numeric or 
                    166: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    167: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    168: #   We'll be nice and be case insensitive for alpha codes.
                    169: # Parameters:
                    170: #    code_value    - the value of the code the user typed in.
                    171: #    code_option   - The code type selected from the set in the scantron format
                    172: #                    table.
                    173: # Returns:
                    174: #    undef         - The code is valid.
                    175: #    other         - An error message indicating what's wrong.
                    176: #
                    177: sub is_code_valid {
                    178:     my ($code_value, $code_option) = @_;
1.383     foxr      179:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
                    180:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                    181:     foreach my $line (<FG>) {
                    182: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    183: 	if($name eq $code_option) {
                    184: 	    $code_length = $length;
                    185: 	    if($type eq 'number') {
                    186: 		$code_type = 'number';
                    187: 	    }
                    188: 	}
                    189:     }
                    190:     my $valid;
                    191:     if ($code_type eq 'number') {
1.385     foxr      192: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      193:     } else {
1.385     foxr      194: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      195:     }
1.382     foxr      196: 
                    197: }
                    198: 
1.341     foxr      199: #   Compare two students by name.  The students are in the form
                    200: #   returned by the helper:
                    201: #      user:domain:section:last,   first:status
                    202: #   This is a helper function for the perl sort built-in  therefore:
                    203: # Implicit Inputs:
                    204: #    $a     - The first element to compare (global)
                    205: #    $b     - The second element to compare (global)
                    206: # Returns:
                    207: #   -1   - $a < $b
                    208: #    0   - $a == $b
                    209: #   +1   - $a > $b
                    210: #   Note that the initial comparison is done on the last names with the
                    211: #   first names only used to break the tie.
                    212: #
                    213: #
                    214: sub compare_names {
                    215:     #  First split the names up into the primary fields.
                    216: 
                    217:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    218:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    219: 
                    220:     # Now split the last name and first name of each n:
                    221:     #
                    222: 
                    223:     my ($l1,$f1) = split(/,/, $n1);
                    224:     my ($l2,$f2) = split(/,/, $n2);
                    225: 
                    226:     # We don't bother to remove the leading/trailing whitespace from the
                    227:     # firstname, unless the last names compare identical.
                    228: 
                    229:     if($l1 lt $l2) {
                    230: 	return -1;
                    231:     }
                    232:     if($l1 gt $l2) {
                    233: 	return  1;
                    234:     }
                    235: 
                    236:     # Break the tie on the first name, but there are leading (possibly trailing
                    237:     # whitespaces to get rid of first 
                    238:     #
                    239:     $f1 =~ s/^\s+//;		# Remove leading...
                    240:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    241:     
                    242:     $f2 =~ s/^\s+//;
                    243:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    244: 
                    245:     if($f1 lt $f2) {
                    246: 	return -1;
                    247:     }
                    248:     if($f1 gt $f2) {
                    249: 	return 1;
                    250:     }
                    251:     
                    252:     #  Must be the same name.
                    253: 
                    254:     return 0;
                    255: }
                    256: 
1.71      sakharuk  257: sub latex_header_footer_remove {
                    258:     my $text = shift;
                    259:     $text =~ s/\\end{document}//;
                    260:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    261:     return $text;
                    262: }
1.423     foxr      263: #
                    264: #  If necessary, encapsulate text inside 
                    265: #  a minipage env.
                    266: #  necessity is determined by the problem_split param.
                    267: #
                    268: sub encapsulate_minipage {
                    269:     my ($text) = @_;
1.427     albertel  270:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      271: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    272:     }
                    273:     return $text;
                    274: }
1.429     foxr      275: #
                    276: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    277: #  variables interact, this sub looks at these two parameters
                    278: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    279: #     all     - if SPLIT_PDFS eq 'all'.
                    280: #     1       - if SPLIT_PDFS eq 'oneper'
                    281: #     section - if SPLIT_PDFS eq 'sections'
                    282: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    283: #
                    284: sub adjust_number_to_print {
                    285:     my $helper = shift;
1.71      sakharuk  286: 
1.429     foxr      287:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    288:     
                    289:     if ($split_pdf eq 'all') {
                    290: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    291:     } elsif ($split_pdf eq 'oneper') {
                    292: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    293:     } elsif ($split_pdf eq 'sections') {
                    294: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    295:     } elsif ($split_pdf eq 'usenumber') {
                    296: 	#  Unmodified.
                    297:     } else {
                    298: 	# Error!!!!
                    299: 
                    300: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
                    301:     }
                    302: }
1.71      sakharuk  303: 
1.37      sakharuk  304: sub character_chart {
                    305:     my $result = shift;	
1.116     sakharuk  306:     $result =~ s/&\#0?0?(7|9);//g;
                    307:     $result =~ s/&\#0?(10|13);//g;
                    308:     $result =~ s/&\#0?32;/ /g;
                    309:     $result =~ s/&\#0?33;/!/g;
                    310:     $result =~ s/&(\#0?34|quot);/\"/g;
                    311:     $result =~ s/&\#0?35;/\\\#/g;
                    312:     $result =~ s/&\#0?36;/\\\$/g;
                    313:     $result =~ s/&\#0?37;/\\%/g; 
                    314:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    315:     $result =~ s/&\#(0?39|146);/\'/g;
                    316:     $result =~ s/&\#0?40;/(/g;
                    317:     $result =~ s/&\#0?41;/)/g;
                    318:     $result =~ s/&\#0?42;/\*/g;
                    319:     $result =~ s/&\#0?43;/\+/g;
                    320:     $result =~ s/&\#(0?44|130);/,/g;
                    321:     $result =~ s/&\#0?45;/-/g;
                    322:     $result =~ s/&\#0?46;/\./g;
                    323:     $result =~ s/&\#0?47;/\//g;
                    324:     $result =~ s/&\#0?48;/0/g;
                    325:     $result =~ s/&\#0?49;/1/g;
                    326:     $result =~ s/&\#0?50;/2/g;
                    327:     $result =~ s/&\#0?51;/3/g;
                    328:     $result =~ s/&\#0?52;/4/g;
                    329:     $result =~ s/&\#0?53;/5/g;
                    330:     $result =~ s/&\#0?54;/6/g;
                    331:     $result =~ s/&\#0?55;/7/g;
                    332:     $result =~ s/&\#0?56;/8/g;
                    333:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  334:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  335:     $result =~ s/&\#0?59;/;/g;
                    336:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  337:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    338:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  339:     $result =~ s/&\#0?63;/\?/g;
                    340:     $result =~ s/&\#0?65;/A/g;
                    341:     $result =~ s/&\#0?66;/B/g;
                    342:     $result =~ s/&\#0?67;/C/g;
                    343:     $result =~ s/&\#0?68;/D/g;
                    344:     $result =~ s/&\#0?69;/E/g;
                    345:     $result =~ s/&\#0?70;/F/g;
                    346:     $result =~ s/&\#0?71;/G/g;
                    347:     $result =~ s/&\#0?72;/H/g;
                    348:     $result =~ s/&\#0?73;/I/g;
                    349:     $result =~ s/&\#0?74;/J/g;
                    350:     $result =~ s/&\#0?75;/K/g;
                    351:     $result =~ s/&\#0?76;/L/g;
                    352:     $result =~ s/&\#0?77;/M/g;
                    353:     $result =~ s/&\#0?78;/N/g;
                    354:     $result =~ s/&\#0?79;/O/g;
                    355:     $result =~ s/&\#0?80;/P/g;
                    356:     $result =~ s/&\#0?81;/Q/g;
                    357:     $result =~ s/&\#0?82;/R/g;
                    358:     $result =~ s/&\#0?83;/S/g;
                    359:     $result =~ s/&\#0?84;/T/g;
                    360:     $result =~ s/&\#0?85;/U/g;
                    361:     $result =~ s/&\#0?86;/V/g;
                    362:     $result =~ s/&\#0?87;/W/g;
                    363:     $result =~ s/&\#0?88;/X/g;
                    364:     $result =~ s/&\#0?89;/Y/g;
                    365:     $result =~ s/&\#0?90;/Z/g;
                    366:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  367:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  368:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  369:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  370:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    371:     $result =~ s/&\#(0?96|145);/\`/g;
                    372:     $result =~ s/&\#0?97;/a/g;
                    373:     $result =~ s/&\#0?98;/b/g;
                    374:     $result =~ s/&\#0?99;/c/g;
                    375:     $result =~ s/&\#100;/d/g;
                    376:     $result =~ s/&\#101;/e/g;
                    377:     $result =~ s/&\#102;/f/g;
                    378:     $result =~ s/&\#103;/g/g;
                    379:     $result =~ s/&\#104;/h/g;
                    380:     $result =~ s/&\#105;/i/g;
                    381:     $result =~ s/&\#106;/j/g;
                    382:     $result =~ s/&\#107;/k/g;
                    383:     $result =~ s/&\#108;/l/g;
                    384:     $result =~ s/&\#109;/m/g;
                    385:     $result =~ s/&\#110;/n/g;
                    386:     $result =~ s/&\#111;/o/g;
                    387:     $result =~ s/&\#112;/p/g;
                    388:     $result =~ s/&\#113;/q/g;
                    389:     $result =~ s/&\#114;/r/g;
                    390:     $result =~ s/&\#115;/s/g;
                    391:     $result =~ s/&\#116;/t/g;
                    392:     $result =~ s/&\#117;/u/g;
                    393:     $result =~ s/&\#118;/v/g;
                    394:     $result =~ s/&\#119;/w/g;
                    395:     $result =~ s/&\#120;/x/g;
                    396:     $result =~ s/&\#121;/y/g;
                    397:     $result =~ s/&\#122;/z/g;
                    398:     $result =~ s/&\#123;/\\{/g;
                    399:     $result =~ s/&\#124;/\|/g;
                    400:     $result =~ s/&\#125;/\\}/g;
                    401:     $result =~ s/&\#126;/\~/g;
                    402:     $result =~ s/&\#131;/\\textflorin /g;
                    403:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  404:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    405:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    406:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  407:     $result =~ s/&\#137;/\\textperthousand /g;
                    408:     $result =~ s/&\#140;/{\\OE}/g;
                    409:     $result =~ s/&\#147;/\`\`/g;
                    410:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  411:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  412:     $result =~ s/&\#150;/--/g;
                    413:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  414:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  415:     $result =~ s/&\#153;/\\texttrademark /g;
                    416:     $result =~ s/&\#156;/\\oe/g;
                    417:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  418:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  419:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    420:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    421:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    422:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    423:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    424:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    425:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    426:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    427:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    428:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  429:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  430:     $result =~ s/&(\#173|shy);/ - /g;
                    431:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  432:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    433:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    434:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    435:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    436:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  437:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  438:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  439:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  440:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  441:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  442:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  443:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    444:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    445:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    446:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    447:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    448:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    449:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    450:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    451:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    452:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    453:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    454:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    455:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    456:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    457:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    458:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    459:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    460:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    461:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    462:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    463:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    464:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    465:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    466:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    467:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    468:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    469:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  470:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  471:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    472:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    473:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    474:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    475:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    476:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  477:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  478:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    479:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    480:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    481:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    482:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    483:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    484:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    485:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    486:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    487:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    488:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    489:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    490:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    491:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    492:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    493:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  494:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  495:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    496:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    497:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    498:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    499:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    500:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  501:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  502:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    503:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    504:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    505:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    506:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    507:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    508:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  509:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  510:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  511: #Greek Alphabet
1.281     sakharuk  512:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    513:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    514:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    515:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    516:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    517:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    518:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    519:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    520:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    521:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    522:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    523:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    524:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    525:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  526:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  527:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    528:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    529:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    530:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    531:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    532:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    533:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    534:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    535:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    536:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    537:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  538:     $result =~ s/&(Alpha|\#913);/A/g;
                    539:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  540:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    541:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  542:     $result =~ s/&(Epsilon|\#917);/E/g;
                    543:     $result =~ s/&(Zeta|\#918);/Z/g;
                    544:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  545:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  546:     $result =~ s/&(Iota|\#921);/I/g;
                    547:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  548:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  549:     $result =~ s/&(Mu|\#924);/M/g;
                    550:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  551:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  552:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  553:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  554:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  555:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  556:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  557:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    558:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  559:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  560:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    561:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  562: #Arrows (extended HTML 4.01)
1.281     sakharuk  563:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    564:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    565:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    566:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    567:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    568:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    569:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    570:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    571:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    572:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  573: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  574:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    575:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    576:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    577:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    578:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    579:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    580:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    581:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    582:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    583:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    584:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  585:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  586:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    587:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    588:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    589:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    590:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    591:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    592:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    593:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    594:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    595:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    596:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    597:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    598:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    599:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    600:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    601:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    602:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    603:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    604:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    605:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    606:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    607:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    608:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    609:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    610:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    611:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  612: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  613:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  614: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  615:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    616:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    617:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    618:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  619:     return $result;
                    620: }
1.41      sakharuk  621: 
                    622: 
1.327     albertel  623:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    624: my %page_formats=
                    625:     ('letter' => {
                    626: 	 'book' => {
1.349     albertel  627: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    628: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  629: 	 },
                    630: 	 'album' => {
1.463     foxr      631: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.83 in','1 cm'],
1.327     albertel  632: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    633: 	 },
                    634:      },
                    635:      'legal' => {
                    636: 	 'book' => {
                    637: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    638: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    639: 	 },
                    640: 	 'album' => {
1.376     albertel  641: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    642:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  643:           },
                    644:      },
                    645:      'tabloid' => {
                    646: 	 'book' => {
                    647: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    648: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    649: 	 },
                    650: 	 'album' => {
1.376     albertel  651: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    652: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  653:           },
                    654:      },
                    655:      'executive' => {
                    656: 	 'book' => {
                    657: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    658: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    659: 	 },
                    660: 	 'album' => {
                    661: 	     '1' => [],
                    662: 	     '2' => []
                    663:           },
                    664:      },
                    665:      'a2' => {
                    666: 	 'book' => {
                    667: 	     '1' => [],
                    668: 	     '2' => []
                    669: 	 },
                    670: 	 'album' => {
                    671: 	     '1' => [],
                    672: 	     '2' => []
                    673:           },
                    674:      },
                    675:      'a3' => {
                    676: 	 'book' => {
                    677: 	     '1' => [],
                    678: 	     '2' => []
                    679: 	 },
                    680: 	 'album' => {
                    681: 	     '1' => [],
                    682: 	     '2' => []
                    683:           },
                    684:      },
                    685:      'a4' => {
                    686: 	 'book' => {
1.463     foxr      687: 	     '1' => ['17.6 cm','27.2 cm','-0.55  in','-0.83 in','-0.5 in'],
                    688: 	     '2' => [ '9.1 cm','27.2 cm','-0.55  in','-0.83 in','-0.5 in']
1.327     albertel  689: 	 },
                    690: 	 'album' => {
1.463     foxr      691: 	     '1' => ['8.5 in','7.7 in','-0.55 in','-0.83 in','0 in'],
                    692: 	     '2' => ['3.9 in','7.7 in','-0.55 in','-0.83 in','0 in']
1.327     albertel  693: 	 },
                    694:      },
                    695:      'a5' => {
                    696: 	 'book' => {
                    697: 	     '1' => [],
                    698: 	     '2' => []
                    699: 	 },
                    700: 	 'album' => {
                    701: 	     '1' => [],
                    702: 	     '2' => []
                    703:           },
                    704:      },
                    705:      'a6' => {
                    706: 	 'book' => {
                    707: 	     '1' => [],
                    708: 	     '2' => []
                    709: 	 },
                    710: 	 'album' => {
                    711: 	     '1' => [],
                    712: 	     '2' => []
                    713:           },
                    714:      },
                    715:      );
                    716: 
1.177     sakharuk  717: sub page_format {
1.140     sakharuk  718: #
1.326     sakharuk  719: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    720: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    721: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    722: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    723: #                        "A6 [105x148 mm]"
1.140     sakharuk  724: # 
                    725:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  726:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  727: }
1.76      sakharuk  728: 
                    729: 
1.126     albertel  730: sub get_name {
                    731:     my ($uname,$udom)=@_;
1.373     albertel  732:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    733:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  734:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  735:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr      736:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel  737:     return $plainname;
1.126     albertel  738: }
                    739: 
1.213     albertel  740: sub get_course {
                    741:     my $courseidinfo;
1.373     albertel  742:     if (defined($env{'request.course.id'})) {
1.439     www       743: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  744:     }
                    745:     return $courseidinfo;
                    746: }
1.177     sakharuk  747: 
1.76      sakharuk  748: sub page_format_transformation {
1.312     sakharuk  749:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  750:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr      751: 
1.312     sakharuk  752:     if ($selectionmade eq '4') {
                    753: 	$assignment='Problems from the Whole Course';
                    754:     } else {
                    755: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    756:     }
1.261     sakharuk  757:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr      758: 
                    759: 
1.126     albertel  760:     my $name = &get_name();
1.213     albertel  761:     my $courseidinfo = &get_course();
                    762:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel  763:     my $header_text  = $parmhash{'print_header_format'};
                    764:     $header_text     = &format_page_header($header_text, $assignment,
                    765: 					   $courseidinfo, $name);
1.319     sakharuk  766:     my $topmargintoinsert = '';
                    767:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  768:     my $fancypagestatement='';
                    769:     if ($numberofcolumns eq '2') {
1.455     albertel  770: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk  771:     } else {
1.455     albertel  772: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk  773:     }
1.140     sakharuk  774:     if ($layout eq 'album') {
1.340     foxr      775: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  776:     } elsif ($layout eq 'book') {
                    777: 	if ($choice ne 'All class print') { 
1.340     foxr      778: 	    $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  779: 	} else {
1.340     foxr      780: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  781: 	}
1.326     sakharuk  782: 	if ($papersize eq 'a4') {
1.319     sakharuk  783: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  784: 	}
                    785:     }
1.214     sakharuk  786:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    787:     if ($indexlist eq 'yes') {
                    788: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    789: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    790:     }
1.140     sakharuk  791:     return $text;
                    792: }
                    793: 
                    794: 
1.33      sakharuk  795: sub page_cleanup {
                    796:     my $result = shift;	
1.65      sakharuk  797:  
                    798:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  799:     my $number_of_columns = $1;
1.33      sakharuk  800:     my $insert = '{';
1.34      sakharuk  801:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  802:     $insert .= '}';
1.65      sakharuk  803:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  804:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    805:     return $result,$number_of_columns;
1.7       sakharuk  806: }
1.5       sakharuk  807: 
1.3       sakharuk  808: 
1.60      sakharuk  809: sub details_for_menu {
1.335     albertel  810:     my ($helper)=@_;
1.373     albertel  811:     my $postdata=$env{'form.postdata'};
1.335     albertel  812:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    813:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    814:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       815:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  816:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  817:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  818:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  819: 	$map =~ m|([^/]+)$|;
                    820: 	$name_of_sequence = $1;
1.63      albertel  821:     }
1.373     albertel  822:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel  823:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel  824: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel  825: 	$name_of_map = $1;
                    826:     }
1.335     albertel  827:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  828: }
                    829: 
                    830: 
                    831: sub latex_corrections {
1.408     albertel  832:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk  833: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  834:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.408     albertel  835:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
                    836: 	$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/;
                    837:     } else {
1.316     sakharuk  838: 	$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/;
                    839:     }
1.91      sakharuk  840:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    841:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  842: #-- LaTeX corrections     
                    843:     my $first_comment = index($result,'<!--',0);
                    844:     while ($first_comment != -1) {
                    845: 	my $end_comment = index($result,'-->',$first_comment);
                    846: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    847: 	$first_comment = index($result,'<!--',$first_comment);
                    848:     }
                    849:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel  850:     #removes more than one empty space
                    851:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk  852:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    853:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    854:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  855:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  856:     #conversion of html characters to LaTeX equivalents
                    857:     if ($result =~ m/&(\w+|#\d+);/) {
                    858: 	$result = &character_chart($result);
                    859:     }
                    860:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    861:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    862:     return $result;
1.60      sakharuk  863: }
                    864: 
1.3       sakharuk  865: 
1.214     sakharuk  866: sub index_table {
                    867:     my $currentURL = shift;
                    868:     my $insex_string='';
                    869:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    870:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    871:     return $insex_string;
                    872: }
                    873: 
                    874: 
1.215     sakharuk  875: sub IndexCreation {
                    876:     my ($texversion,$currentURL)=@_;
                    877:     my @key_words=split(/,/,&index_table($currentURL));
                    878:     my $chunk='';
                    879:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    880:     if ($st>0) {
                    881: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    882: 	$chunk=substr($texversion,0,$st+1);
                    883: 	substr($texversion,0,$st+1)=' ';
                    884:     }
                    885:     foreach my $key_word (@key_words) {
                    886: 	if ($key_word=~/\S+/) {
                    887: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    888: 	}
                    889:     }			
                    890:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    891:     return $texversion;
                    892: }
                    893: 
1.242     sakharuk  894: sub print_latex_header {
                    895:     my $mode=shift;
1.409     foxr      896:     my $output='\documentclass[letterpaper,twoside]{article}';
1.397     albertel  897:     if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1.242     sakharuk  898: 	$output.='\batchmode';
                    899:     }
1.340     foxr      900:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1.410     foxr      901:    	    '\usepackage{multirow}'."\n".
1.340     foxr      902: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      903: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1.393     foxr      904: 	     '\usepackage{wrapfig}'.
1.344     foxr      905: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      906: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    907: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    908: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    909: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    910: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    911: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    912: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    913: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    914: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    915: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    916: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    917: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    918: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  919:     return $output;	     
                    920: }
                    921: 
                    922: sub path_to_problem {
1.328     albertel  923:     my ($urlp,$colwidth)=@_;
1.404     albertel  924:     $urlp=&Apache::lonnet::clutter($urlp);
                    925: 
1.242     sakharuk  926:     my $newurlp = '';
1.328     albertel  927:     $colwidth=~s/\s*mm\s*$//;
                    928: #characters average about 2 mm in width
1.360     albertel  929:     if (length($urlp)*2 > $colwidth) {
1.404     albertel  930: 	my @elements = split('/',$urlp);
1.328     albertel  931: 	my $curlength=0;
                    932: 	foreach my $element (@elements) {
1.404     albertel  933: 	    if ($element eq '') { next; }
1.328     albertel  934: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel  935: 		$newurlp .=  '|\vskip -1 mm \verb|';
                    936: 		$curlength=length($element)*2;
1.328     albertel  937: 	    } else {
                    938: 		$curlength+=length($element)*2;
1.242     sakharuk  939: 	    }
1.328     albertel  940: 	    $newurlp.='/'.$element;
1.242     sakharuk  941: 	}
1.253     sakharuk  942:     } else {
                    943: 	$newurlp=$urlp;
1.242     sakharuk  944:     }
                    945:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    946: }
1.215     sakharuk  947: 
1.275     sakharuk  948: sub recalcto_mm {
                    949:     my $textwidth=shift;
                    950:     my $LaTeXwidth;
1.339     albertel  951:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  952: 	$LaTeXwidth = $1*10;
1.339     albertel  953:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  954: 	$LaTeXwidth = $1;
1.339     albertel  955:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  956: 	$LaTeXwidth = $1*25.4;
                    957:     }
                    958:     $LaTeXwidth.=' mm';
                    959:     return $LaTeXwidth;
                    960: }
                    961: 
1.285     albertel  962: sub get_textwidth {
                    963:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  964:     my $textwidth=$LaTeXwidth;
1.285     albertel  965:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    966: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  967: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    968: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  969:     }
1.286     albertel  970:     return $textwidth;
1.285     albertel  971: }
                    972: 
1.296     sakharuk  973: 
                    974: sub unsupported {
1.414     albertel  975:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk  976:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  977:     my $result.= &print_latex_header($mode);
1.414     albertel  978:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                    979: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                    980: 	my $title=&Apache::lonnet::gettitle($symb);
                    981: 	$title = &Apache::lonxml::latex_special_symbols($title);
                    982: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk  983:     } else {
                    984: 	$result.=$currentURL;
                    985:     }
1.419     albertel  986:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  987:     return $result;
                    988: }
                    989: 
                    990: 
1.363     foxr      991: #
1.395     www       992: # List of recently generated print files
                    993: #
                    994: sub recently_generated {
                    995:     my $r=shift;
                    996:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel  997:     my $zip_result;
                    998:     my $pdf_result;
1.395     www       999:     opendir(DIR,$prtspool);
1.400     albertel 1000: 
                   1001:     my @files = 
                   1002: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1003:     closedir(DIR);
1.400     albertel 1004: 
                   1005:     @files = sort {
                   1006: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1007: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1008: 	return $bctime <=> $actime;
                   1009:     } (@files);
                   1010: 
                   1011:     foreach my $filename (@files) {
                   1012: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1013: 	my ($cdev,$cino,$cmode,$cnlink,
                   1014: 	    $cuid,$cgid,$crdev,$csize,
                   1015: 	    $catime,$cmtime,$cctime,
                   1016: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
                   1017: 	my $result="<a href='/prtspool/$filename'>".
                   1018: 	    &mt('Generated [_1] ([_2] bytes)',
                   1019: 		&Apache::lonlocal::locallocaltime($cctime),$csize).
                   1020: 		'</a><br />';
                   1021: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1022: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1023:     }
                   1024:     if ($zip_result) {
                   1025: 	$r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
                   1026: 		  .$zip_result);
                   1027:     }
                   1028:     if ($pdf_result) {
                   1029: 	$r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
                   1030: 		  .$pdf_result);
1.396     albertel 1031:     }
1.395     www      1032: }
                   1033: 
                   1034: #
1.363     foxr     1035: #   Retrieve the hash of page breaks.
                   1036: #
                   1037: #  Inputs:
                   1038: #    helper   - reference to helper object.
                   1039: #  Outputs
                   1040: #    A reference to a page break hash.
                   1041: #
                   1042: #
1.418     foxr     1043: #use Data::Dumper;
                   1044: #sub dump_helper_vars {
                   1045: #    my ($helper) = @_;
                   1046: #    my $helpervars = Dumper($helper->{'VARS'});
                   1047: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1048: #}
1.363     foxr     1049: 
                   1050: sub get_page_breaks  {
                   1051:     my ($helper) = @_;
                   1052:     my %page_breaks;
1.416     foxr     1053: 
1.363     foxr     1054:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1055: 	$page_breaks{$break} = 1;
                   1056:     }
1.364     albertel 1057:     return %page_breaks;
1.363     foxr     1058: }
                   1059: 
1.459     foxr     1060: #  Output a sequence (recursively if neeed)
                   1061: #  from construction space.
                   1062: # Parameters:
                   1063: #    url     = URL of the sequence to print.
                   1064: #    helper  - Reference to the helper hash.
                   1065: #    form    - Copy of the format hash.
                   1066: #    LaTeXWidth
                   1067: # Returns:
                   1068: #   Text to add to the printout.
                   1069: #   NOTE if the first element of the outermost sequence
                   1070: #   is itself a sequence, the outermost caller may need to
                   1071: #   prefix the latex with the page headers stuff.
                   1072: #
                   1073: sub print_construction_sequence {
                   1074:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1075:     my $result;
                   1076:     my $rndseed=time;
                   1077:     if ($helper->{'VARS'}->{'curseed'}) {
                   1078: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1079:     }
                   1080:     my $errtext=&Apache::lonratedt::mapread($currentURL);
                   1081:     # 
                   1082:     #  These make this all support recursing for subsequences.
                   1083:     #
                   1084:     my @order    = @Apache::lonratedt::order;
                   1085:     my @resources = @Apache::lonratedt::resources; 
                   1086:     for (my $member=0;$member<=$#order;$member++) {
                   1087: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1088: 	my $urlp=$2;
                   1089: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1090: 	    my $texversion='';
                   1091: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1092: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1093: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1094: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1095: 		$form{'rndseed'}=$rndseed;
                   1096: 		$resources_printed .=$urlp.':';
                   1097: 		$texversion=&Apache::lonnet::ssi($urlp,%form);
                   1098: 	    }
                   1099: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1100: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1101: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1102: 		#  Don't permanently modify %$form...
                   1103: 		my %answerform = %form;
                   1104: 		$answerform{'grade_target'}='answer';
                   1105: 		$answerform{'answer_output_mode'}='tex';
                   1106: 		$answerform{'rndseed'}=$rndseed;
                   1107: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1108: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
                   1109: 		$resources_printed .= $urlp.':';
                   1110: 		my $answer=&Apache::lonnet::ssi($urlp,%answerform);
                   1111: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1112: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1113: 		} else {
                   1114: 		    # If necessary, encapsulate answer in minipage:
                   1115: 		    
                   1116: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1117: 		    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1118: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1119: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1120: 		    $body = &encapsulate_minipage($body);
                   1121: 		    $texversion.=$body;
                   1122: 		}
                   1123: 	    }
                   1124: 	    $texversion = &latex_header_footer_remove($texversion);
                   1125: 
                   1126: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1127: 		$texversion=&IndexCreation($texversion,$urlp);
                   1128: 	    }
                   1129: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1130: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1131: 	    }
                   1132: 	    $result.=$texversion;
                   1133: 
                   1134: 	} elsif ($urlp=~/\.(sequence|page)$/) {
                   1135: 	    
                   1136: 	    # header:
                   1137: 
                   1138: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1139: 
                   1140: 	    # IF sequence, recurse:
                   1141: 	    
                   1142: 	    if ($urlp =~ /\.sequence$/) {
                   1143: 		my $sequence_url = $urlp;
                   1144: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1145: 		my $user         = $env{'user.name'};
                   1146: 
                   1147: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1148: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1149: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1150: 		$result .= &print_construction_sequence($sequence_url, 
                   1151: 							$helper, %form, 
                   1152: 							$LaTeXwidth);
                   1153: 	    }
                   1154: 	}  
                   1155:     }
                   1156:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1157:     return $result;
                   1158: }
                   1159: 
1.177     sakharuk 1160: sub output_data {
1.184     sakharuk 1161:     my ($r,$helper,$rparmhash) = @_;
                   1162:     my %parmhash = %$rparmhash;
1.459     foxr     1163:     $resources_printed = '';
1.433     albertel 1164:     my $js = <<ENDPART;
                   1165: <script type="text/javascript">
1.264     sakharuk 1166:     var editbrowser;
                   1167:     function openbrowser(formname,elementname,only,omit) {
                   1168:         var url = '/res/?';
                   1169:         if (editbrowser == null) {
                   1170:             url += 'launch=1&';
                   1171:         }
                   1172:         url += 'catalogmode=interactive&';
                   1173:         url += 'mode=parmset&';
                   1174:         url += 'form=' + formname + '&';
                   1175:         if (only != null) {
                   1176:             url += 'only=' + only + '&';
                   1177:         } 
                   1178:         if (omit != null) {
                   1179:             url += 'omit=' + omit + '&';
                   1180:         }
                   1181:         url += 'element=' + elementname + '';
                   1182:         var title = 'Browser';
                   1183:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1184:         options += ',width=700,height=600';
                   1185:         editbrowser = open(url,title,options,'1');
                   1186:         editbrowser.focus();
                   1187:     }
                   1188: </script>
1.140     sakharuk 1189: ENDPART
                   1190: 
1.433     albertel 1191:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);
                   1192:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1193: 
1.433     albertel 1194:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1195: 
1.363     foxr     1196:     # fetch the pagebreaks and store them in the course environment
                   1197:     # The page breaks will be pulled into the hash %page_breaks which is
                   1198:     # indexed by symb and contains 1's for each break.
                   1199: 
1.373     albertel 1200:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1201:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1202:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1203: 					      {'pagebreaks'    => 'scalar',
                   1204: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1205: 
1.364     albertel 1206:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1207: 
1.140     sakharuk 1208:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1209:     my ($result,$selectionmade) = ('','');
                   1210:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1211:     my @temporary_array=split /\|/,$format_from_helper;
                   1212:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                   1213:     if ($laystyle eq 'L') {
                   1214: 	$laystyle='album';
                   1215:     } else {
                   1216: 	$laystyle='book';
                   1217:     }
1.177     sakharuk 1218:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1219:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1220:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1221:     my @print_array=();
1.274     sakharuk 1222:     my @student_names=();
1.360     albertel 1223: 
                   1224:     #  Common settings for the %form has:
                   1225:     # In some cases these settings get overriddent by specific cases, but the
                   1226:     # settings are common enough to make it worthwhile factoring them out
                   1227:     # here.
                   1228:     #
                   1229:     my %form;
                   1230:     $form{'grade_target'} = 'tex';
                   1231:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr     1232: 
                   1233:     # If form.showallfoils is set, then request all foils be shown:
                   1234:     # privilege will be enforced both by not allowing the 
                   1235:     # check box selecting this option to be presnt unless it's ok,
                   1236:     # and by lonresponse's priv. check.
                   1237:     # The if is here because lonresponse.pm only cares that
                   1238:     # showallfoils is defined, not what the value is.
                   1239: 
                   1240:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1241: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1242:     }
                   1243: 
1.140     sakharuk 1244:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1245:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1246: 	my ($currentURL,$cleanURL);
1.375     foxr     1247: 
1.162     sakharuk 1248: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1249:             #prints published resource
1.153     sakharuk 1250: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1251: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1252: 	} else {
1.185     sakharuk 1253:             #prints resource from the construction space
1.240     albertel 1254: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1255: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1256: 	    $cleanURL=$currentURL;
1.143     sakharuk 1257: 	}
1.140     sakharuk 1258: 	$selectionmade = 1;
1.413     albertel 1259: 	if ($cleanURL!~m|^/adm/|
                   1260: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1261: 	    my $rndseed=time;
1.242     sakharuk 1262: 	    my $texversion='';
                   1263: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1264: 		my %moreenv;
1.343     albertel 1265: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk 1266: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1267: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1.373     albertel 1268: 		    my $dom = $env{'user.domain'};
                   1269: 		    my $user = $env{'user.name'};
1.265     sakharuk 1270: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                   1271: 		}
1.290     sakharuk 1272:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1273: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1274: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1275: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1276: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1277: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk 1278: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1279: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1280: 		}
                   1281: 		$form{'rndseed'}=$rndseed;
                   1282: 		&Apache::lonnet::appenv(%moreenv);
1.428     albertel 1283: 
                   1284: 		&Apache::lonxml::clear_problem_counter();
                   1285: 
1.375     foxr     1286: 		$resources_printed .= $currentURL.':';
1.275     sakharuk 1287: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.428     albertel 1288: 
                   1289: 		&Apache::lonxml::clear_problem_counter();
                   1290: 
1.242     sakharuk 1291: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1292: 	    }
1.423     foxr     1293: 	    # current document with answers.. no need to encap in minipage
                   1294: 	    #  since there's only one answer.
                   1295: 
1.242     sakharuk 1296: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1297: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1298: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1299: 		$form{'grade_target'}='answer';
1.167     albertel 1300: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1301: 		$form{'rndseed'}=$rndseed;
1.401     albertel 1302:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1303: 		    $form{'problemtype'}='exam';
                   1304: 		}
1.375     foxr     1305: 		$resources_printed .= $currentURL.':';
1.166     albertel 1306: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1307: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1308: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1309: 		} else {
                   1310: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1311: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1312: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel 1313: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1314: 		    } else {
                   1315: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1316: 			my $URLpath=$cleanURL;
1.245     sakharuk 1317: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1318: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1319: 		    }
1.242     sakharuk 1320: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1321: 		}
1.163     sakharuk 1322: 	    }
1.214     sakharuk 1323: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1324: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1325: 	    }
1.219     sakharuk 1326: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1327: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1328: 
                   1329: 	    }
1.162     sakharuk 1330: 	    $result .= $texversion;
                   1331: 	    if ($currentURL=~m/\.page\s*$/) {
                   1332: 		($result,$number_of_columns) = &page_cleanup($result);
                   1333: 	    }
1.413     albertel 1334:         } elsif ($cleanURL!~m|^/adm/|
                   1335: 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 1336:             #printing content of sequence from the construction space	
                   1337: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     1338: 	    $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1339: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   1340: 						    $LaTeXwidth);
                   1341: 	    $result .= '\end{document}';  
                   1342: 	    if (!($result =~ /\\begin\{document\}/)) {
                   1343: 		$result = &print_latex_header() . $result;
1.227     sakharuk 1344: 	    }
1.459     foxr     1345: 	    # End construction space sequence.
1.456     raeburn  1346: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1347: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1348: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1349: 		$resources_printed .= $currentURL.':';
1.258     sakharuk 1350: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1351: 		$result .= $texversion;
1.162     sakharuk 1352: 	} else {
1.414     albertel 1353: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1354: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 1355: 	}
1.354     foxr     1356:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1357:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1358:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1359: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1360: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1361:         #-- produce an output string
1.296     sakharuk 1362: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1363: 	    $selectionmade = 2;
                   1364: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1365: 	    $selectionmade = 3;
                   1366: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1367: 	    $selectionmade = 4;
1.354     foxr     1368: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1369: 	    $selectionmade = 4;
1.296     sakharuk 1370: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1371: 	    $selectionmade = 7;
                   1372: 	}
1.193     sakharuk 1373: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1374: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1375: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1376: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1377: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1378: 	my $flag_latex_header_remove = 'NO';
                   1379: 	my $flag_page_in_sequence = 'NO';
                   1380: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1381: 	my $prevassignment='';
1.428     albertel 1382: 
                   1383: 	&Apache::lonxml::clear_problem_counter();
                   1384: 
1.416     foxr     1385: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 1386: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1387: 
                   1388: 	    # Note due to document structure, not allowed to put \newpage
                   1389: 	    # prior to the first resource
                   1390: 
1.351     foxr     1391: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1392: 		if($i != 0) {
                   1393: 		    $result.="\\newpage\n";
                   1394: 		}
                   1395: 	    }
1.407     albertel 1396: 	    my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1397: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1398: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 1399: 
                   1400: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.267     sakharuk 1401: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1402: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1403: 	    my $texversion='';
1.413     albertel 1404: 	    if ($urlp!~m|^/adm/|
                   1405: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1406: 		$resources_printed .= $urlp.':';
1.428     albertel 1407: 
                   1408: 		&Apache::lonxml::remember_problem_counter();
1.297     sakharuk 1409: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1410: 		if ($urlp=~/\.page$/) {
                   1411: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1412: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1413: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1414: 		    $flag_page_in_sequence = 'YES';
                   1415: 		} 
1.428     albertel 1416: 
1.296     sakharuk 1417: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1418: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1419: 		    #  Don't permanently pervert the %form hash
                   1420: 		    my %answerform = %form;
                   1421: 		    $answerform{'grade_target'}='answer';
                   1422: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1423: 		    $resources_printed .= $urlp.':';
1.428     albertel 1424: 
                   1425: 		    &Apache::lonxml::restore_problem_counter();
1.380     foxr     1426: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.428     albertel 1427: 
1.296     sakharuk 1428: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1429: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1430: 		    } else {
1.307     sakharuk 1431: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1432: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.423     foxr     1433: 			    my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm ';
                   1434: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   1435: 			    $body   .='\vskip 1 mm '.$answer;
                   1436: 			    $body    = &encapsulate_minipage($body);
                   1437: 			    $texversion .= $body;
1.296     sakharuk 1438: 			} else {
                   1439: 			    $texversion='';
                   1440: 			}
1.249     sakharuk 1441: 		    }
1.246     sakharuk 1442: 		}
1.296     sakharuk 1443: 		if ($flag_latex_header_remove ne 'NO') {
                   1444: 		    $texversion = &latex_header_footer_remove($texversion);
                   1445: 		} else {
                   1446: 		    $texversion =~ s/\\end{document}//;
                   1447: 		}
                   1448: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1449: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1450: 		}
                   1451: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1452: 		    my $name = &get_name();
                   1453: 		    my $courseidinfo = &get_course();
                   1454: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1455: 		    $prevassignment=$assignment;
1.455     albertel 1456: 		    my $header_text = $parmhash{'print_header_format'};
                   1457: 		    $header_text    = &format_page_header($header_text,
                   1458: 							  $assignment, 
                   1459: 							  $courseidinfo, 
                   1460: 							  $name);
1.417     foxr     1461: 		    if ($numberofcolumns eq '1') {
1.455     albertel 1462: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1463: 		    } else {
1.455     albertel 1464: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1465: 		    }			
1.296     sakharuk 1466: 		}
                   1467: 		$result .= $texversion;
                   1468: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  1469: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 1470: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1471: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1472: 		$resources_printed .= $urlp.':';
1.301     sakharuk 1473: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1474: 		if ($flag_latex_header_remove ne 'NO') {
                   1475: 		    $texversion = &latex_header_footer_remove($texversion);
                   1476: 		} else {
                   1477: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1478: 		}
                   1479: 		$result .= $texversion;
                   1480: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1481: 	    } else {
1.414     albertel 1482: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1483: 					 $master_seq[$i]);
1.297     sakharuk 1484: 		if ($flag_latex_header_remove ne 'NO') {
                   1485: 		    $texversion = &latex_header_footer_remove($texversion);
                   1486: 		} else {
                   1487: 		    $texversion =~ s/\\end{document}//;
                   1488: 		}
                   1489: 		$result .= $texversion;
                   1490: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1491: 	    }	    
1.331     albertel 1492: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1493: 	}
1.428     albertel 1494: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     1495: 	if ($flag_page_in_sequence eq 'YES') {
                   1496: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1497: 	}	
1.141     sakharuk 1498: 	$result .= '\end{document}';
1.284     albertel 1499:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1500: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1501: 
                   1502: 
1.150     sakharuk 1503:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1504: 	 my $type;
1.254     sakharuk 1505: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1506: 	     $selectionmade=5;
1.284     albertel 1507: 	     $type='problems';
1.254     sakharuk 1508: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1509: 	     $selectionmade=8;
1.284     albertel 1510: 	     $type='resources';
1.254     sakharuk 1511: 	 }
1.150     sakharuk 1512: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1513: 	 #   The normal sort order is by section then by students within the
                   1514: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1515: 	 #   to override this and output the students by name.
                   1516: 	 #    Each element of the students array is of the form:
                   1517: 	 #       username:domain:section:last, first:status
                   1518: 	 #    
1.429     foxr     1519: 	 #  Note that student sort is not compatible with printing 
                   1520: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     1521: 	 #   
1.429     foxr     1522: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   1523: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     1524: 	     @students = sort compare_names  @students;
                   1525: 	 }
1.429     foxr     1526: 	 &adjust_number_to_print($helper);
                   1527: 
1.278     albertel 1528:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1529: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1530: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1531: 	 }
1.429     foxr     1532: 	 # If we are splitting on section boundaries, we need 
                   1533: 	 # to remember that in split_on_sections and 
                   1534: 	 # print all of the students in the list.
                   1535: 	 #
                   1536: 	 my $split_on_sections = 0;
                   1537: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   1538: 	     $split_on_sections = 1;
                   1539: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   1540: 	 }
1.150     sakharuk 1541: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1542: 
1.150     sakharuk 1543: 	 #loop over students
                   1544: 	 my $flag_latex_header_remove = 'NO'; 
                   1545: 	 my %moreenv;
1.330     sakharuk 1546:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1547: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1548: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1549: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1550: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1551: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1552: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1553: 	 my $student_counter=-1;
1.429     foxr     1554: 	 my $i = 0;
1.430     albertel 1555: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 1556: 	 foreach my $person (@students) {
1.350     foxr     1557: 
1.373     albertel 1558:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1559: 	     if (-e $duefile) {
                   1560: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1561: 		 print $temp_file "1969\n";
                   1562: 	     }
1.272     sakharuk 1563: 	     $student_counter++;
1.429     foxr     1564: 	     if ($split_on_sections) {
1.430     albertel 1565: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     1566: 		 if ($this_section ne $last_section) {
                   1567: 		     $i++;
                   1568: 		     $last_section = $this_section;
                   1569: 		 }
                   1570: 	     } else {
                   1571: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   1572: 	     }
1.375     foxr     1573: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1574: 						     $person,$type,
                   1575: 						     \%moreenv,\@master_seq,
1.360     albertel 1576: 						     $flag_latex_header_remove,
1.422     albertel 1577: 						     $LaTeXwidth);
1.375     foxr     1578: 	     $resources_printed .= ":";
1.284     albertel 1579: 	     $print_array[$i].=$output;
                   1580: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1581: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1582: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1583: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1584: 	 }
                   1585: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1586: 	 $result .= $print_array[0].'  \end{document}';
                   1587:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1588: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1589: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1590: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1591: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1592: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1593: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     1594: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     1595: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   1596: 
1.381     albertel 1597: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1598: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1599: 	 my ($code_type,$code_length)=('letter',6);
                   1600: 	 foreach my $line (<FH>) {
                   1601: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1602: 	     if ($name eq $code_option) {
                   1603: 		 $code_length=$length;
                   1604: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1605: 	     }
                   1606: 	 }
1.288     albertel 1607: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1608: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 1609:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 1610: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1611: 	 my @allcodes;
                   1612: 	 if ($old_name) {
1.381     albertel 1613: 	     my %result=&Apache::lonnet::get('CODEs',
                   1614: 					     [$old_name,"type\0$old_name"],
                   1615: 					     $cdom,$cnum);
                   1616: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1617: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1618: 	     $num_todo=scalar(@allcodes);
1.389     foxr     1619: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     1620: 	     $num_todo = 1;
                   1621: 	     @allcodes = ($selected_code);
1.385     foxr     1622: 	 } elsif ($single_code) {
                   1623: 
1.387     foxr     1624: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     1625: 	     # If an alpha code have to convert to numbers so it can be
                   1626: 	     # converted back to letters again :-)
                   1627: 	     #
                   1628: 	     if ($code_type ne 'number') {
                   1629: 		 $single_code = &letters_to_num($single_code);
                   1630: 	     }
                   1631: 	     @allcodes = ($single_code);
1.292     albertel 1632: 	 } else {
                   1633: 	     my %allcodes;
1.299     albertel 1634: 	     srand($seed);
1.292     albertel 1635: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1636: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1637: 					    $code_type);
1.292     albertel 1638: 	     }
                   1639: 	     if ($code_name) {
                   1640: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1641: 				      {
                   1642: 					$code_name =>join(',',keys(%allcodes)),
                   1643: 					"type\0$code_name" => $code_type
                   1644: 				      },
1.292     albertel 1645: 				      $cdom,$cnum);
                   1646: 	     }
                   1647: 	     @allcodes=keys(%allcodes);
                   1648: 	 }
1.336     albertel 1649: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1650: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 1651: 	 &adjust_number_to_print($helper);
1.336     albertel 1652: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1653: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1654: 	     $number_per_page=$num_todo;
                   1655: 	 }
                   1656: 	 my $flag_latex_header_remove = 'NO'; 
                   1657: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1658: 	 my $count=0;
1.292     albertel 1659: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1660: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 1661: 	     if ($code_type eq 'number') { 
                   1662: 		 $moreenv{'CODE'}=$code;
                   1663: 	     } else {
                   1664: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   1665: 	     }
1.375     foxr     1666: 	     my ($output,$fullname, $printed)=
1.288     albertel 1667: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1668: 				  \@master_seq,$flag_latex_header_remove,
                   1669: 				  $LaTeXwidth);
1.375     foxr     1670: 	     $resources_printed .= ":";
1.295     albertel 1671: 	     $print_array[$file_num].=$output;
1.288     albertel 1672: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1673: 				       &mt('last assignment').' '.$fullname);
                   1674: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1675: 	     $count++;
1.331     albertel 1676: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1677: 	 }
                   1678: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1679: 	 $result .= $print_array[0].'  \end{document}';
                   1680:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1681:     #prints selected problems from the subdirectory 
                   1682: 	$selectionmade = 6;
                   1683:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1684: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1685: 	my $flag_latex_header_remove = 'NO'; 
                   1686: 	my $rndseed=time;
1.230     albertel 1687: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1688: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1689: 	}
1.151     sakharuk 1690: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1691: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1692: 	    $urlp=~s|//|/|;
1.152     sakharuk 1693: 	    if ($urlp=~/\//) {
1.353     foxr     1694: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1695: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1696: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1697: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1698: 		} else {
1.302     sakharuk 1699: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1700: 		}
1.375     foxr     1701: 		$resources_printed .= $urlp.':';
1.166     albertel 1702: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1703: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1704: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1705: 		    #  Don't permanently pervert %form:
                   1706: 		    my %answerform = %form;
                   1707: 		    $answerform{'grade_target'}='answer';
                   1708: 		    $answerform{'answer_output_mode'}='tex';
                   1709: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1710: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     1711: 		    $resources_printed .= $urlp.':';
1.380     foxr     1712: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.251     sakharuk 1713: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1714: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1715: 		    } else {
1.253     sakharuk 1716: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1717: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1718: 			    $texversion.='\vskip 0 mm \noindent ';
                   1719: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1720: 			} else {
                   1721: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1722: 			    my $URLpath=$urlp;
                   1723: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1724: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1725: 			}
                   1726: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1727: 		    }
1.174     sakharuk 1728: 		}
1.151     sakharuk 1729:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1730: 		my $newurlp=$urlp;
                   1731: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1732: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1733: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1734: 		if ($flag_latex_header_remove ne 'NO') {
                   1735: 		    $texversion = &latex_header_footer_remove($texversion);
                   1736: 		} else {
                   1737: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1738: 		}
                   1739: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1740: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1741: 		}
1.219     sakharuk 1742: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1743: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1744: 		    
                   1745: 		}
1.152     sakharuk 1746: 		$result .= $texversion;
                   1747: 	    }
                   1748: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1749: 	}
1.175     sakharuk 1750: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1751: 	$result .= '\end{document}';      	
1.140     sakharuk 1752:     }
                   1753: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1754:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.408     albertel 1755:     $result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   1756: 				 $helper->{'VARS'}->{'ANSWER_TYPE'});
                   1757:     for (my $i=1;$i<=$#print_array;$i++) {
                   1758: 	$print_array[$i] = 
                   1759: 	    &latex_corrections($number_of_columns,$print_array[$i],
                   1760: 			       $selectionmade, 
                   1761: 			       $helper->{'VARS'}->{'ANSWER_TYPE'});
                   1762:     }
1.464     albertel 1763:     #if ($numberofcolumns == 1) {
1.451     albertel 1764: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1765: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1766: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1767: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.464     albertel 1768:     #}
1.367     foxr     1769: 
1.140     sakharuk 1770: #-- writing .tex file in prtspool 
                   1771:     my $temp_file;
1.277     albertel 1772:     my $identifier = &Apache::loncommon::get_cgi_id();
1.379     foxr     1773:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.277     albertel 1774:     if (!($#print_array>0)) { 
                   1775: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1776: 	    $r->log_error("Couldn't open $filename for output $!");
                   1777: 	    return SERVER_ERROR; 
                   1778: 	}
                   1779: 	print $temp_file $result;
                   1780: 	my $begin=index($result,'\begin{document}',0);
                   1781: 	my $inc=substr($result,0,$begin+16);
                   1782:     } else {
                   1783: 	my $begin=index($result,'\begin{document}',0);
                   1784: 	my $inc=substr($result,0,$begin+16);
                   1785:         for (my $i=0;$i<=$#print_array;$i++) {
                   1786: 	    if ($i==0) {
                   1787: 		$print_array[$i]=$result;
                   1788: 	    } else {
                   1789: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1790: 		substr($print_array[$i],0,$anobegin)='';
                   1791: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1792: 	    }
1.272     sakharuk 1793: 	    my $temp_file;
1.273     sakharuk 1794: 	    my $newfilename=$filename;
1.277     albertel 1795: 	    my $num=$i+1;
1.379     foxr     1796: 	    $newfilename =~s/\.tex$//; 
                   1797: 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1.272     sakharuk 1798: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1799: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1800: 		return SERVER_ERROR; 
                   1801: 	    }
                   1802: 	    print $temp_file $print_array[$i];
                   1803: 	}
                   1804:     }
1.274     sakharuk 1805:     my $student_names='';
                   1806:     if ($#print_array>0) {
                   1807: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1808: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1809: 	}
1.277     albertel 1810:     } else {
1.278     albertel 1811: 	if ($#student_names>-1) {
                   1812: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1813: 	} else {
1.373     albertel 1814: 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   1815: 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   1816: 				$env{'request.course.sec'},$fullname).
1.278     albertel 1817: 				    '_ENDPERSON_'.'_END_';
                   1818: 	}
1.274     sakharuk 1819:     }
                   1820: 
1.276     sakharuk 1821:     my $URLback=''; #link to original document
                   1822:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1823: 	#prints published resource
1.439     www      1824: 	$URLback=&escape('/adm/flip?postdata=return:');
1.276     sakharuk 1825:     } else {
                   1826: 	#prints resource from the construction space
                   1827: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1828: 	if ($URLback=~/([^?]+)/) {
                   1829: 	    $URLback=$1;
                   1830: 	    $URLback=~s|^/~|/priv/|;
                   1831: 	}
1.276     sakharuk 1832:     }
1.375     foxr     1833:     # logic for now is too complex to trace if this has been defined
                   1834:     #  yet.
                   1835:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1836:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.257     sakharuk 1837:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1838:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1839:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1840: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1841:                             'cgi.'.$identifier.'.selection' => $selectionmade,
1.375     foxr     1842: 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1843: 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
1.397     albertel 1844: 			    'cgi.'.$identifier.'.role' => $perm{'pav'},
1.375     foxr     1845:                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   1846:                             'cgi.'.$identifier.'.studentnames' => $student_names,
                   1847:                             'cgi.'.$identifier.'.backref' => $URLback,);
                   1848:     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
                   1849: 			    "cgi.$identifier.domain"  => $env{'user.domain'},
                   1850: 			    "cgi.$identifier.courseid" => $cnum, 
                   1851: 			    "cgi.$identifier.coursedom" => $cdom, 
                   1852: 			    "cgi.$identifier.resources" => $resources_printed);
                   1853: 
1.431     albertel 1854:     my $end_page = &Apache::loncommon::end_page();
                   1855:     $r->print(<<FINALEND);
1.317     albertel 1856: <br />
1.288     albertel 1857: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1858: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.431     albertel 1859: $end_page
1.140     sakharuk 1860: FINALEND
                   1861: }
                   1862: 
1.288     albertel 1863: 
                   1864: sub get_CODE {
1.381     albertel 1865:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 1866:     my $max='1'.'0'x$size;
                   1867:     my $newcode;
                   1868:     while(1) {
1.392     albertel 1869: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 1870: 	if (!exists($$all_codes{$newcode})) {
                   1871: 	    $$all_codes{$newcode}=1;
1.381     albertel 1872: 	    if ($type eq 'number' ) {
                   1873: 		return $newcode;
                   1874: 	    } else {
                   1875: 		return &num_to_letters($newcode);
                   1876: 	    }
1.288     albertel 1877: 	}
                   1878:     }
                   1879: }
1.140     sakharuk 1880: 
1.284     albertel 1881: sub print_resources {
1.360     albertel 1882:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 1883: 	$LaTeXwidth)=@_;
1.284     albertel 1884:     my $current_output = ''; 
1.375     foxr     1885:     my $printed = '';
1.284     albertel 1886:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1887:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1888:     my $namepostfix;
1.288     albertel 1889:     if ($person =~ 'anon') {
1.323     sakharuk 1890: 	$namepostfix="\\\\Name: ";
1.288     albertel 1891: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1892:     }
1.444     foxr     1893:     #  Fullname may have special latex characters that need \ prefixing:
                   1894:     #
                   1895: 
1.350     foxr     1896:     my $i           = 0;
1.284     albertel 1897:     #goes through all resources, checks if they are available for 
                   1898:     #current student, and produces output   
1.428     albertel 1899: 
                   1900:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 1901:     my %page_breaks  = &get_page_breaks($helper);
1.417     foxr     1902:     my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'});
                   1903:     my $columns_in_format = $format_array[1];
1.440     foxr     1904:     #
1.441     foxr     1905:     #   end each student with a 
1.440     foxr     1906:     #   Special that allows the post processor to even out the page
                   1907:     #   counts later.  Nasty problem this... it would be really
                   1908:     #   nice to put the special in as a postscript comment
1.441     foxr     1909:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     1910:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     1911:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   1912:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     1913:     #
1.363     foxr     1914: 
1.284     albertel 1915:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1916: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1917: 	    if($i != 0) {
                   1918: 		$current_output.= "\\newpage\n";
                   1919: 	    }
                   1920: 	}
                   1921: 	$i++;
1.284     albertel 1922: 	if ( !($type eq 'problems' && 
                   1923: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1924: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1925: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 1926: 		if ($res_url!~m|^ext/|
1.413     albertel 1927: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1928: 		    $printed .= $curresline.':';
1.428     albertel 1929: 
                   1930: 		    &Apache::lonxml::remember_problem_counter();    
                   1931: 
1.373     albertel 1932: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 1933: 
1.305     sakharuk 1934: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1935: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1936: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   1937: 			my %answerenv = %{$moreenv};
                   1938: 			$answerenv{'answer_output_mode'}='tex';
                   1939: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 1940: 			
                   1941: 			&Apache::lonxml::restore_problem_counter();
                   1942: 
1.380     foxr     1943: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 1944: 
1.305     sakharuk 1945: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1946: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1947: 			} else {
1.423     foxr     1948: 
                   1949: 			    
                   1950: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1951: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1952: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);			    
                   1953: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   1954: 			    $body     = &encapsulate_minipage($body);
                   1955: 			    $rendered = $header.$body;
1.305     sakharuk 1956: 			}
                   1957: 		    }
                   1958: 		    if ($remove_latex_header eq 'YES') {
                   1959: 			$rendered = &latex_header_footer_remove($rendered);
                   1960: 		    } else {
                   1961: 			$rendered =~ s/\\end{document}//;
                   1962: 		    }
                   1963: 		    $current_output .= $rendered;		    
1.456     raeburn  1964: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     1965: 		    $printed .= $curresline.':';
1.373     albertel 1966: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 1967: 
1.305     sakharuk 1968: 		    if ($remove_latex_header eq 'YES') {
                   1969: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1970: 		    } else {
1.305     sakharuk 1971: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1972: 		    }
1.421     foxr     1973: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
                   1974: 
1.284     albertel 1975: 		} else {
1.414     albertel 1976: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 1977: 		    if ($remove_latex_header ne 'NO') {
                   1978: 			$rendered = &latex_header_footer_remove($rendered);
                   1979: 		    } else {
                   1980: 			$rendered =~ s/\\end{document}//;
                   1981: 		    }
                   1982: 		    $current_output .= $rendered;
1.284     albertel 1983: 		}
                   1984: 	    }
                   1985: 	    $remove_latex_header = 'YES';
                   1986: 	}
1.331     albertel 1987: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1988:     }
                   1989:     my $courseidinfo = &get_course();
                   1990:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1991:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1992:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.454     foxr     1993:     my $HeaderLine = $parmhash{'print_header_format'};
                   1994:     $HeaderLine = format_page_header($HeaderLine, $currentassignment, $courseidinfo, $fullname);
1.284     albertel 1995:     if ($current_output=~/\\documentclass/) {
1.417     foxr     1996: 	if ($columns_in_format == 1) {
1.454     foxr     1997: 	    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{$HeaderLine$namepostfix}}\\vskip 5 mm /;
1.416     foxr     1998: 	} else {
1.454     foxr     1999: 	    	    $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{$HeaderLine$namepostfix}}\\vskip 5 mm /;
1.416     foxr     2000: 
                   2001: 	}
1.284     albertel 2002:     } else {
                   2003: 	my $blankpages = '';
                   2004: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.417     foxr     2005: 	if ($columns_in_format == 1) {
1.454     foxr     2006: 	    $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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 '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output;
1.416     foxr     2007: 	} else {
1.454     foxr     2008: 	   $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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 '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output;
1.416     foxr     2009: 	}
1.284     albertel 2010:     }
1.440     foxr     2011:     #
                   2012:     #  Close the student bracketing.
                   2013:     #
1.443     foxr     2014:     $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n";
1.375     foxr     2015:     return ($current_output,$fullname, $printed);
1.284     albertel 2016: 
                   2017: }
1.140     sakharuk 2018: 
1.3       sakharuk 2019: sub handler {
                   2020: 
                   2021:     my $r = shift;
1.397     albertel 2022:     
                   2023:     &init_perm();
1.114     bowersj2 2024: 
1.416     foxr     2025: 
1.67      www      2026: 
1.397     albertel 2027:     my $helper = printHelper($r);
                   2028:     if (!ref($helper)) {
                   2029: 	return $helper;
1.60      sakharuk 2030:     }
1.177     sakharuk 2031:    
1.184     sakharuk 2032: 
1.454     foxr     2033:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2034:  
1.416     foxr     2035: 
1.350     foxr     2036: 
                   2037: 
1.367     foxr     2038:     #  If a figure conversion queue file exists for this user.domain
                   2039:     # we delete it since it can only be bad (if it were good, printout.pl
                   2040:     # would have deleted it the last time around.
                   2041: 
1.373     albertel 2042:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2043:     if(-e $conversion_queuefile) {
                   2044: 	unlink $conversion_queuefile;
                   2045:     }
1.184     sakharuk 2046:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2047:     return OK;
1.60      sakharuk 2048: } 
1.2       sakharuk 2049: 
1.131     bowersj2 2050: use Apache::lonhelper;
1.130     sakharuk 2051: 
1.223     bowersj2 2052: sub addMessage {
                   2053:     my $text = shift;
                   2054:     my $paramHash = Apache::lonhelper::getParamHash();
                   2055:     $paramHash->{MESSAGE_TEXT} = $text;
                   2056:     Apache::lonhelper::message->new();
                   2057: }
                   2058: 
1.416     foxr     2059: 
1.238     bowersj2 2060: 
1.397     albertel 2061: sub init_perm {
                   2062:     undef(%perm);
                   2063:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2064:     if (!$perm{'pav'}) {
                   2065: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2066: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2067:     }
1.465     albertel 2068:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2069:     if (!$perm{'pfo'}) {
                   2070: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2071: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2072:     }
                   2073: }
                   2074: 
1.131     bowersj2 2075: sub printHelper {
1.115     bowersj2 2076:     my $r = shift;
                   2077: 
                   2078:     if ($r->header_only) {
1.373     albertel 2079:         if ($env{'browser.mathml'}) {
1.241     www      2080:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 2081:         } else {
1.241     www      2082:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 2083:         }
                   2084:         $r->send_http_header;
                   2085:         return OK;
1.115     bowersj2 2086:     }
                   2087: 
1.131     bowersj2 2088:     # Send header, nocache
1.373     albertel 2089:     if ($env{'browser.mathml'}) {
1.241     www      2090:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 2091:     } else {
1.241     www      2092:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 2093:     }
                   2094:     &Apache::loncommon::no_cache($r);
                   2095:     $r->send_http_header;
                   2096:     $r->rflush();
                   2097: 
1.131     bowersj2 2098:     # Unfortunately, this helper is so complicated we have to
                   2099:     # write it by hand
                   2100: 
                   2101:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   2102:     
1.176     bowersj2 2103:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 2104:     $helper->declareVar('symb');
1.156     bowersj2 2105:     $helper->declareVar('postdata');    
1.290     sakharuk 2106:     $helper->declareVar('curseed'); 
                   2107:     $helper->declareVar('probstatus');   
1.156     bowersj2 2108:     $helper->declareVar('filename');
                   2109:     $helper->declareVar('construction');
1.178     sakharuk 2110:     $helper->declareVar('assignment');
1.262     sakharuk 2111:     $helper->declareVar('style_file');
1.340     foxr     2112:     $helper->declareVar('student_sort');
1.363     foxr     2113:     $helper->declareVar('FINISHPAGE');
1.366     foxr     2114:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     2115:     $helper->declareVar("showallfoils");
1.363     foxr     2116: 
                   2117:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     2118:     # But we only do this in the initial state so that they are allowed to change.
                   2119:     #
1.366     foxr     2120: 
1.416     foxr     2121:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     2122:     
                   2123:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     2124: 						{'pagebreaks'  => 'scalar',
                   2125: 					         'lastprinttype' => 'scalar'});
                   2126:     
1.394     foxr     2127:     
                   2128:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   2129: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   2130: 	    
                   2131: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2132: 	} else {
                   2133: 	    my $state = $env{"form.CURRENT_STATE"};
                   2134: 	    if ($state eq "START") {
                   2135: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2136: 	    }
                   2137: 	}
                   2138: 	
1.366     foxr     2139:     }
1.416     foxr     2140: 
1.131     bowersj2 2141:     
                   2142:     # This will persistently load in the data we want from the
                   2143:     # very first screen.
1.156     bowersj2 2144:     # Detect whether we're coming from construction space
1.373     albertel 2145:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 2146:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 2147:         $helper->{VARS}->{'construction'} = 1;
                   2148:     } else {
1.373     albertel 2149:         if ($env{'form.postdata'}) {
                   2150:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.156     bowersj2 2151:         }
1.373     albertel 2152:         if ($env{'form.symb'}) {
                   2153:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 2154:         }
1.373     albertel 2155:         if ($env{'form.url'}) {
1.156     bowersj2 2156:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   2157:         }
1.416     foxr     2158: 
1.157     bowersj2 2159:     }
1.156     bowersj2 2160: 
1.373     albertel 2161:     if ($env{'form.symb'}) {
                   2162:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 2163:     }
1.373     albertel 2164:     if ($env{'form.url'}) {
1.140     sakharuk 2165:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 2166: 
1.140     sakharuk 2167:     }
1.343     albertel 2168:     $helper->{VARS}->{'symb'}=
                   2169: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 2170:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 2171:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 2172: 
1.156     bowersj2 2173:     
1.146     bowersj2 2174:     # Extract map
                   2175:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 2176:     my ($map, $id, $url);
                   2177:     my $subdir;
                   2178: 
                   2179:     # Get the resource name from construction space
                   2180:     if ($helper->{VARS}->{'construction'}) {
                   2181:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   2182:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   2183:         $subdir = substr($helper->{VARS}->{'filename'},
                   2184:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   2185:     } else {
1.233     www      2186:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 2187:         $helper->{VARS}->{'postdata'} = 
                   2188: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 2189: 
1.156     bowersj2 2190:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 2191:             my $postdata = $helper->{VARS}->{'postdata'};
                   2192:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 2193:         }
                   2194:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 2195:     }
1.373     albertel 2196:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   2197: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 2198:     }
1.373     albertel 2199:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   2200: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1.290     sakharuk 2201:     }
1.115     bowersj2 2202: 
1.192     bowersj2 2203:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   2204: 
1.131     bowersj2 2205:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 2206: 
1.131     bowersj2 2207:     # "Delete everything after the last slash."
1.119     bowersj2 2208:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 2209:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 2210: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 2211:     }
1.189     bowersj2 2212:     # "Remove all duplicate slashes."
                   2213:     $subdir =~ s|/+|/|g;
1.119     bowersj2 2214: 
1.131     bowersj2 2215:     # What can be printed is a very dynamic decision based on
                   2216:     # lots of factors. So we need to dynamically build this list.
                   2217:     # To prevent security leaks, states are only added to the wizard
                   2218:     # if they can be reached, which ensures manipulating the form input
                   2219:     # won't allow anyone to reach states they shouldn't have permission
                   2220:     # to reach.
                   2221: 
                   2222:     # printChoices is tracking the kind of printing the user can
                   2223:     # do, and will be used in a choices construction later.
                   2224:     # In the meantime we will be adding states and elements to
                   2225:     # the helper by hand.
                   2226:     my $printChoices = [];
                   2227:     my $paramHash;
1.130     sakharuk 2228: 
1.240     albertel 2229:     if ($resourceTitle) {
1.458     www      2230:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 2231:     }
                   2232: 
1.238     bowersj2 2233:     # Useful filter strings
1.287     albertel 2234:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 2235:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 2236:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   2237:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 2238:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   2239:     my $isMap = '$res->is_map()';
1.342     albertel 2240:     my $symbFilter = '$res->shown_symb()';
                   2241:     my $urlValue = '$res->link()';
1.238     bowersj2 2242: 
                   2243:     $helper->declareVar('SEQUENCE');
                   2244: 
1.465     albertel 2245:     # If we're in a sequence...
1.416     foxr     2246: 
1.465     albertel 2247:     my $start_new_option;
                   2248:     if ($perm{'pav'}) {
                   2249: 	$start_new_option = 
                   2250: 	    "<option text='".&mt('Start new page<br />before selected').
                   2251: 	    "' variable='FINISHPAGE' />";
                   2252:     }
1.238     bowersj2 2253: 
1.235     bowersj2 2254:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     2255: 
1.243     bowersj2 2256: 	$helper->{VARS}->{'postdata'} &&
                   2257: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 2258:         # Allow problems from sequence
1.458     www      2259:         push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 2260:         # Allow all resources from sequence
1.458     www      2261:         push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.465     albertel 2262: 
1.131     bowersj2 2263:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 2264:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1.435     foxr     2265:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2266:               closeallpages="1">
1.144     bowersj2 2267:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2268:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 2269:       <mapurl>$map</mapurl>
1.238     bowersj2 2270:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2271:       $start_new_option
1.131     bowersj2 2272:       </resource>
                   2273:     </state>
                   2274: 
1.155     sakharuk 2275:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1.435     foxr     2276:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2277:               closeallpages="1">
1.144     bowersj2 2278:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2279:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2280:       <mapurl>$map</mapurl>
1.238     bowersj2 2281:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2282:       $start_new_option
1.131     bowersj2 2283:       </resource>
                   2284:     </state>
                   2285: HELPERFRAGMENT
1.121     bowersj2 2286: 
1.326     sakharuk 2287: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2288:     }
                   2289: 
1.397     albertel 2290:     # If the user has pfo (print for otheres) allow them to print all 
1.354     foxr     2291:     # problems and resources  in the entier course, optionally for selected students
1.397     albertel 2292:     if ($perm{'pfo'} && 
1.456     raeburn  2293:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     2294: 
1.458     www      2295:         push @{$printChoices}, ['Selected <b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
                   2296: 	push @{$printChoices}, ['Selected <b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 2297:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2298:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1.287     albertel 2299:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2300: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2301:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2302:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2303:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2304:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2305:       $start_new_option
1.284     albertel 2306:     </resource>
                   2307:   </state>
1.354     foxr     2308:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2309:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2310:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2311:       <nextstate>PAGESIZE</nextstate>
                   2312:       <filterfunc>return $isNotMap; </filterfunc>
                   2313:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2314:       $start_new_option
1.354     foxr     2315:     </resource>
                   2316:   </state>
1.284     albertel 2317: ALL_PROBLEMS
1.132     bowersj2 2318: 
1.284     albertel 2319: 	if ($helper->{VARS}->{'assignment'}) {
1.458     www      2320: 	    push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>selected students</b>",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS'];
                   2321: 	    push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>anonymous students</b>",$sequenceTitle), 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 2322: 	}
1.424     foxr     2323: 
                   2324: 	# resource_selector will hold a few states that:
                   2325: 	#   - Allow resources to be selected for printing.
                   2326: 	#   - Determine pagination between assignments.
                   2327: 	#   - Determine how many assignments should be bundled into a single PDF.
                   2328:         # TODO:
                   2329: 	#    Probably good to do things like separate this up into several vars, each
                   2330: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   2331: 	#    and next states for better mix and match capability
                   2332: 	#
1.284     albertel 2333: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2334:     <state name="SELECT_PROBLEMS" title="Select resources to print">
                   2335:    <nextstate>PRINT_FORMATTING</nextstate> 
1.284     albertel 2336:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2337:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2338:               closeallpages="1">
1.254     sakharuk 2339:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2340:       <mapurl>$map</mapurl>
1.254     sakharuk 2341:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2342:       $start_new_option
1.147     bowersj2 2343:       </resource>
1.424     foxr     2344:     </state>
                   2345:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 2346:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2347:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2348:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2349:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2350:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2351:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2352:     </choices>
1.424     foxr     2353:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2354:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2355:     <choices variable="SPLIT_PDFS">
                   2356:        <choice computer="all">All assignments in a single PDF file</choice>
                   2357:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2358:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2359:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2360:             Specify the number of assignments per PDF:</choice>
1.429     foxr     2361:     </choices>
1.424     foxr     2362:     </state>
1.284     albertel 2363: RESOURCE_SELECTOR
                   2364: 
                   2365:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2366:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.352     foxr     2367:       <message><b>Select sort order</b> </message>
1.340     foxr     2368:     <choices variable='student_sort'>
                   2369:       <choice computer='0'>Sort by section then student</choice>
                   2370:       <choice computer='1'>Sort by students across sections.</choice>
                   2371:     </choices>
1.437     foxr     2372:       <message><br /><hr /><br /> </message>
1.425     foxr     2373:       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
1.424     foxr     2374:   </state>
1.284     albertel 2375:     $resource_selector
1.131     bowersj2 2376: CHOOSE_STUDENTS
1.292     albertel 2377: 
1.373     albertel 2378: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2379: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2380:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2381: 	my $namechoice='<choice></choice>';
1.337     albertel 2382: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2383: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2384: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2385: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2386: 	}
1.389     foxr     2387: 
                   2388: 
                   2389: 	my %code_values;
1.405     albertel 2390: 	my %codes_to_print;
1.411     albertel 2391: 	foreach my $key (@names) {
1.389     foxr     2392: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 2393: 	    foreach my $key (keys(%code_values)) {
                   2394: 		$codes_to_print{$key} = 1;
1.388     foxr     2395: 	    }
                   2396: 	}
1.389     foxr     2397: 
1.452     albertel 2398: 	my $code_selection;
1.405     albertel 2399: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     2400: 	    my $choice  = $code;
                   2401: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2402: 		$choice = &letters_to_num($code);
                   2403: 	    }
1.432     albertel 2404: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     2405: 	}
1.436     albertel 2406: 	if (%codes_to_print) {
                   2407: 	    $code_selection .='   
1.448     albertel 2408: 	    <message><b>Choose single code from list</b></message>
                   2409: 		<message></td><td></message>
1.452     albertel 2410: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   2411:                   <choice></choice>
1.448     albertel 2412:                   <exec>
                   2413:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   2414:                   </exec>
1.452     albertel 2415: 		</dropdown>
1.468     foxr     2416: 	    <message></td></tr><tr><td></message>
1.436     albertel 2417:             '.$/;
1.448     albertel 2418: 
1.436     albertel 2419: 	}
1.432     albertel 2420: 
                   2421: 	
1.381     albertel 2422: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2423: 	my $codechoice='';
                   2424: 	foreach my $line (<FH>) {
                   2425: 	    my ($name,$description,$code_type,$code_length)=
                   2426: 		(split(/:/,$line))[0,1,2,4];
                   2427: 	    if ($code_length > 0 && 
                   2428: 		$code_type =~/^(letter|number|-1)/) {
                   2429: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2430: 	    }
                   2431: 	}
                   2432: 	if ($codechoice eq '') {
                   2433: 	    $codechoice='<choice computer="default">Default</choice>';
                   2434: 	}
1.284     albertel 2435:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1.468     foxr     2436:   <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
1.424     foxr     2437:     <nextstate>SELECT_PROBLEMS</nextstate>
1.468     foxr     2438:     <message><h4>Fill out one of the forms below</h4></message>
                   2439:     <message><br /><hr /> <br /></message>
                   2440:     <message><h3>Generate new CODEd Assignments</h3></message>
                   2441:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 2442:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2443:        <validator>
                   2444: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2445: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2446:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   2447: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2448: 	    return "You need to specify the number of assignments to print";
                   2449: 	}
                   2450: 	return undef;
                   2451:        </validator>
                   2452:     </string>
                   2453:     <message></td></tr><tr><td></message>
1.412     albertel 2454:     <message><b>Names to store the CODEs under for later:</b></message>
                   2455:     <message></td><td></message>
                   2456:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2457:     <message></td></tr><tr><td></message>
                   2458:     <message><b>Bubble sheet type:</b></message>
                   2459:     <message></td><td></message>
                   2460:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2461:     $codechoice
                   2462:     </dropdown>
1.468     foxr     2463:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                   2464:     <message></td></tr><tr><td></table></message>
                   2465:     <message><br /><hr /><h3>Print a Specific Code </h3><br /><table></message>
                   2466:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 2467:     <string variable="SINGLE_CODE" size="10">
1.382     foxr     2468:         <validator>
                   2469: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2470: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2471: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     2472: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2473: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2474: 	   } else {
                   2475: 	       return undef;	# Other forces control us.
                   2476: 	   }
                   2477:         </validator>
                   2478:     </string>
1.468     foxr     2479:     <message></td</tr><tr><td></message>
1.432     albertel 2480:         $code_selection
1.468     foxr     2481:     <message></td></tr></table></message>
                   2482:     <message><hr /><h3>Reprint a Set of Saved Codes</h3><table><tr><td></message>
                   2483:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 2484:     <message></td><td></message>
1.292     albertel 2485:     <dropdown variable="REUSE_OLD_CODES">
                   2486:         $namechoice
                   2487:     </dropdown>
1.412     albertel 2488:     <message></td></tr></table></message>
1.284     albertel 2489:   </state>
1.424     foxr     2490:   $resource_selector
1.284     albertel 2491: CHOOSE_ANON1
1.254     sakharuk 2492: 
1.272     sakharuk 2493: 
1.254     sakharuk 2494: 	if ($helper->{VARS}->{'assignment'}) {
1.458     www      2495: 	    push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>selected students</b>",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   2496: 	    push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>anonymous students</b>",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 2497: 	}
1.284     albertel 2498: 	    
                   2499: 
                   2500: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2501:     <state name="SELECT_RESOURCES" title="Select Resources">
                   2502:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 2503:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2504:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2505:               closeallpages="1">
1.254     sakharuk 2506:       <filterfunc>return $isNotMap;</filterfunc>
                   2507:       <mapurl>$map</mapurl>
                   2508:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2509:       $start_new_option
1.254     sakharuk 2510:       </resource>
1.424     foxr     2511:     </state>
                   2512:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   2513:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 2514:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2515:     <choices variable="EMPTY_PAGES">
                   2516:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2517:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2518:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2519:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2520:     </choices>
1.424     foxr     2521:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2522:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2523:     <choices variable="SPLIT_PDFS">
                   2524:        <choice computer="all">All assignments in a single PDF file</choice>
                   2525:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2526:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2527:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2528:            Specify the number of assignments per PDF:</choice>
1.429     foxr     2529:     </choices>
1.424     foxr     2530:     </state>
1.284     albertel 2531: RESOURCE_SELECTOR
                   2532: 
                   2533: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2534:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     2535:     <choices variable='student_sort'>
                   2536:       <choice computer='0'>Sort by section then student</choice>
                   2537:       <choice computer='1'>Sort by students across sections.</choice>
                   2538:     </choices>
1.437     foxr     2539:     <message><br /><hr /><br /></message>
1.426     foxr     2540:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     2541: 
1.424     foxr     2542:     </state>
1.284     albertel 2543:     $resource_selector
1.254     sakharuk 2544: CHOOSE_STUDENTS1
                   2545: 
1.284     albertel 2546: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   2547:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.424     foxr     2548:     <nextstate>SELECT_RESOURCES</nextstate>
1.412     albertel 2549:     <message><table><tr><td><b>Number of anonymous assignments to print:</b></td><td></message>
1.362     albertel 2550:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2551:        <validator>
                   2552: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     2553: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2554: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   2555: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2556: 	    return "You need to specify the number of assignments to print";
                   2557: 	}
                   2558: 	return undef;
                   2559:        </validator>
                   2560:     </string>
                   2561:     <message></td></tr><tr><td></message>
1.412     albertel 2562:     <message><b>Names to store the CODEs under for later:</b></message>
                   2563:     <message></td><td></message>
                   2564:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2565:     <message></td></tr><tr><td></message>
                   2566:     <message><b>Bubble sheet type:</b></message>
                   2567:     <message></td><td></message>
                   2568:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2569:     $codechoice
                   2570:     </dropdown>
                   2571:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
                   2572:     <message></td></tr><tr><td></message>
                   2573:     <message><b>Enter a CODE to print:</b></td><td></message>
                   2574:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     2575:         <validator>
                   2576: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2577: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2578: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     2579: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2580: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2581: 	   } else {
                   2582: 	       return undef;	# Other forces control us.
                   2583: 	   }
                   2584:         </validator>
                   2585:     </string>
1.412     albertel 2586:     <message></td></tr><tr><td colspan="2"><hr width='33%' /></td></tr><tr><td></message>
1.432     albertel 2587:         $code_selection
1.412     albertel 2588:     <message><b>Reprint a set of saved CODEs:</b></message>
1.381     albertel 2589:     <message></td><td></message>
1.294     albertel 2590:     <dropdown variable="REUSE_OLD_CODES">
                   2591:         $namechoice
                   2592:     </dropdown>
1.412     albertel 2593:     <message></td></tr></table></message>
1.284     albertel 2594:     <message><hr width='33%' /></message>
1.424     foxr     2595:   </state>
1.284     albertel 2596:     $resource_selector
                   2597: CHOOSE_ANON2
1.121     bowersj2 2598:     }
                   2599: 
                   2600:     # FIXME: That RE should come from a library somewhere.
1.397     albertel 2601:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.458     www      2602:         push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$subdir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2603: 
1.131     bowersj2 2604:         my $f = '$filename';
1.139     bowersj2 2605:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2606:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
1.458     www      2607: 
1.138     bowersj2 2608:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2609:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2610:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2611: CHOOSE_FROM_SUBDIR
                   2612:         
1.238     bowersj2 2613:         # this is broken up because I really want interpolation above,
                   2614:         # and I really DON'T want it below
1.139     bowersj2 2615:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2616:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2617: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2618:       </filefilter>
1.138     bowersj2 2619:       </files>
1.131     bowersj2 2620:     </state>
                   2621: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2622:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2623:     }
1.238     bowersj2 2624: 
                   2625:     # Allow the user to select any sequence in the course, feed it to
                   2626:     # another resource selector for that sequence
1.239     bowersj2 2627:     if (!$helper->{VARS}->{'construction'}) {
1.458     www      2628: 	push @$printChoices, ["Selected <b>Resources</b> from <b>selected folder</b> in course",
1.249     sakharuk 2629: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2630: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2631: 	#Escape apostrophes and backslashes for Perl
                   2632: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2633: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2634: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2635:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2636:     <message>Select the sequence to print resources from:</message>
                   2637:     <resource variable="SEQUENCE">
                   2638:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2639:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2640:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     2641:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     2642: 	</choicefunc>
1.238     bowersj2 2643:       </resource>
                   2644:     </state>
                   2645:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2646:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     2647:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2648:               closeallpages="1">
1.238     bowersj2 2649:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 2650:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 2651:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2652:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2653:       $start_new_option
1.238     bowersj2 2654:       </resource>
                   2655:     </state>
                   2656: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2657: }
1.131     bowersj2 2658: 
                   2659:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2660:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2661:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2662:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2663:     Apache::lonhelper::message->new();
                   2664:     $paramHash = Apache::lonhelper::getParamHash();
                   2665:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2666:     $paramHash->{CHOICES} = $printChoices;
                   2667:     Apache::lonhelper::choices->new();
1.161     bowersj2 2668: 
1.223     bowersj2 2669:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2670:                           # to close it later)
                   2671: 
1.397     albertel 2672:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 2673: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2674: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2675:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2676: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2677: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2678:         $paramHash->{CHOICES} = [
1.242     sakharuk 2679:                                    ['Without Answers', 'yes'],
                   2680:                                    ['With Answers', 'no'],
1.368     albertel 2681:                                    ['Only Answers', 'only']
1.289     sakharuk 2682:                                 ];
1.210     sakharuk 2683:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2684: 	addMessage("</td></tr>");
                   2685: 	$startedTable = 1;
1.161     bowersj2 2686:     }
1.209     sakharuk 2687: 
1.397     albertel 2688:     if ($perm{'pav'}) {
1.223     bowersj2 2689: 	if (!$startedTable) {
                   2690: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2691: 	    $startedTable = 1;
                   2692: 	} else {
                   2693: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2694: 	}
1.203     sakharuk 2695:         $paramHash = Apache::lonhelper::getParamHash();
                   2696: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2697: 	$helper->declareVar('LATEX_TYPE');  
                   2698: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2699: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2700: 				     ['standard LaTeX mode', 'standard'], 
                   2701: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2702: 	} else {
                   2703: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2704: 				     ['LaTeX batchmode', 'batchmode'],
                   2705: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2706: 	}
1.210     sakharuk 2707:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2708:  
1.223     bowersj2 2709: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2710:         $paramHash = Apache::lonhelper::getParamHash();
                   2711: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2712: 	$helper->declareVar('TABLE_CONTENTS');         
                   2713:         $paramHash->{CHOICES} = [
1.223     bowersj2 2714:                                    ['No', 'no'],
                   2715:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2716:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2717: 	addMessage("</td></tr>");
1.214     sakharuk 2718:         
1.220     sakharuk 2719: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2720: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2721: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2722: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2723: 	    $helper->declareVar('TABLE_INDEX');         
                   2724: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2725: 				     ['No', 'no'],
                   2726: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2727: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2728: 	    addMessage("</td></tr>");
1.309     sakharuk 2729: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2730: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2731: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2732: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2733: 	    $paramHash->{CHOICES} = [
                   2734: 				     ['No', 'no'],
                   2735: 				     ['Yes', 'yes'] ];
                   2736: 	    Apache::lonhelper::dropdown->new();
                   2737: 	    addMessage("</td></tr>");
1.372     foxr     2738: 
1.397     albertel 2739: 	    addMessage("<tr><td align = 'right'>  </td><td>");
                   2740: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2741: 	    $paramHash->{'multichoice'} = "true";
                   2742: 	    $paramHash->{'allowempty'}  = "true";
                   2743: 	    $paramHash->{'variable'}   = "showallfoils";
                   2744: 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   2745: 	    Apache::lonhelper::choices->new();
                   2746: 	    addMessage("</td></tr>");
1.220     sakharuk 2747: 	}
1.219     sakharuk 2748: 
1.230     albertel 2749: 	if ($helper->{'VARS'}->{'construction'}) { 
1.373     albertel 2750: 	    my $stylevalue=$env{'construct.style'};
1.265     sakharuk 2751: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2752: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2753: 	    <string variable="curseed" size="15" maxlength="15">
                   2754: 		<defaultvalue>
                   2755: 	            return $helper->{VARS}->{'curseed'};
                   2756: 	        </defaultvalue>
1.262     sakharuk 2757: 	    </string>
1.264     sakharuk 2758: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.415     albertel 2759:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file_value','sty')">Select style file</a> </td><tr><td></message>
1.371     foxr     2760: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2761:                 <choice computer="1">Show all foils?</choice>
                   2762:              </choices>
1.378     albertel 2763: 	     <message></td></tr></message>
1.230     albertel 2764: RNDSEED
                   2765:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.373     albertel 2766: 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
1.371     foxr     2767: 	    
1.372     foxr     2768: 	} 
1.223     bowersj2 2769:     }
1.264     sakharuk 2770: 
                   2771: 
                   2772: 
1.218     sakharuk 2773: 
1.223     bowersj2 2774:     if ($startedTable) {
                   2775: 	addMessage("</table>");
1.215     sakharuk 2776:     }
1.161     bowersj2 2777: 
1.131     bowersj2 2778:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2779: 
1.144     bowersj2 2780:     # Generate the PAGESIZE state which will offer the user the margin
                   2781:     # choices if they select one column
                   2782:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2783:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2784: 
                   2785: 
1.131     bowersj2 2786:     $helper->process();
                   2787: 
1.416     foxr     2788: 
1.131     bowersj2 2789:     # MANUAL BAILOUT CONDITION:
                   2790:     # If we're in the "final" state, bailout and return to handler
                   2791:     if ($helper->{STATE} eq 'FINAL') {
                   2792:         return $helper;
                   2793:     }    
1.130     sakharuk 2794: 
1.131     bowersj2 2795:     $r->print($helper->display());
1.395     www      2796:     if ($helper->{STATE} eq 'START') {
                   2797: 	&recently_generated($r);
                   2798:     }
1.333     albertel 2799:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2800: 
                   2801:     return OK;
                   2802: }
                   2803: 
1.1       www      2804: 
                   2805: 1;
1.119     bowersj2 2806: 
                   2807: package Apache::lonprintout::page_format_state;
                   2808: 
                   2809: =pod
                   2810: 
1.131     bowersj2 2811: =head1 Helper element: page_format_state
                   2812: 
                   2813: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2814: 
1.131     bowersj2 2815: Apache::lonprintout::page_format_state is an element that gives the 
                   2816: user an opportunity to select the page layout they wish to print 
                   2817: with: Number of columns, portrait/landscape, and paper size. If you 
                   2818: want to change the paper size choices, change the @paperSize array 
                   2819: contents in this package.
1.119     bowersj2 2820: 
1.131     bowersj2 2821: page_format_state is always directly invoked in lonprintout.pm, so there
                   2822: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2823: 
                   2824: =over 4
                   2825: 
1.131     bowersj2 2826: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2827: 
                   2828: =back
                   2829: 
                   2830: =cut
                   2831: 
1.131     bowersj2 2832: use Apache::lonhelper;
1.119     bowersj2 2833: 
                   2834: no strict;
1.131     bowersj2 2835: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2836: use strict;
1.266     sakharuk 2837: use Apache::lonlocal;
1.373     albertel 2838: use Apache::lonnet;
1.119     bowersj2 2839: 
                   2840: my $maxColumns = 2;
1.376     albertel 2841: # it'd be nice if these all worked
                   2842: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   2843: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   2844: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2845: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 2846: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 2847: 		 "a4 [210x297 mm]");
1.119     bowersj2 2848: 
                   2849: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2850: #                   Paper type
                   2851: 
                   2852: sub new { 
1.131     bowersj2 2853:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2854: 
1.135     bowersj2 2855:     shift;
                   2856: 
1.131     bowersj2 2857:     $self->{'variable'} = shift;
1.134     bowersj2 2858:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2859:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2860:     bless($self);
1.119     bowersj2 2861:     return $self;
                   2862: }
                   2863: 
                   2864: sub render {
                   2865:     my $self = shift;
1.131     bowersj2 2866:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2867:     my $result = '';
1.131     bowersj2 2868:     my $var = $self->{'variable'};
1.266     sakharuk 2869:     my $PageLayout=&mt('Page layout');
                   2870:     my $NumberOfColumns=&mt('Number of columns');
                   2871:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2872:     $result .= <<STATEHTML;
                   2873: 
1.223     bowersj2 2874: <hr width="33%" />
1.119     bowersj2 2875: <table cellpadding="3">
                   2876:   <tr>
1.266     sakharuk 2877:     <td align="center"><b>$PageLayout</b></td>
                   2878:     <td align="center"><b>$NumberOfColumns</b></td>
                   2879:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2880:   </tr>
                   2881:   <tr>
                   2882:     <td>
1.376     albertel 2883:       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
                   2884:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
1.119     bowersj2 2885:     </td>
1.155     sakharuk 2886:     <td align="center">
1.119     bowersj2 2887:       <select name="${var}.cols">
                   2888: STATEHTML
                   2889: 
                   2890:     my $i;
                   2891:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2892:         if ($i == 2) {
1.119     bowersj2 2893:             $result .= "<option value='$i' selected>$i</option>\n";
                   2894:         } else {
                   2895:             $result .= "<option value='$i'>$i</option>\n";
                   2896:         }
                   2897:     }
                   2898: 
                   2899:     $result .= "</select></td><td>\n";
                   2900:     $result .= "<select name='${var}.paper'>\n";
                   2901: 
1.373     albertel 2902:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 2903:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   2904:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 2905:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2906:     $i = 0;
                   2907:     foreach (@paperSize) {
1.326     sakharuk 2908: 	$_=~/(\w+)/;
                   2909: 	my $papersize=$1;
1.304     sakharuk 2910:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2911:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2912:         } else {
1.326     sakharuk 2913:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2914:         }
                   2915:         $i++;
                   2916:     }
                   2917:     $result .= "</select></td></tr></table>";
                   2918:     return $result;
1.135     bowersj2 2919: }
                   2920: 
                   2921: sub postprocess {
                   2922:     my $self = shift;
                   2923: 
                   2924:     my $var = $self->{'variable'};
1.136     bowersj2 2925:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2926:     $helper->{VARS}->{$var} = 
1.373     albertel 2927:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   2928:         $env{"form.$var.paper"};
1.135     bowersj2 2929:     return 1;
1.119     bowersj2 2930: }
                   2931: 
                   2932: 1;
1.144     bowersj2 2933: 
                   2934: package Apache::lonprintout::page_size_state;
                   2935: 
                   2936: =pod
                   2937: 
                   2938: =head1 Helper element: page_size_state
                   2939: 
                   2940: See lonhelper.pm documentation for discussion of the helper framework.
                   2941: 
                   2942: Apache::lonprintout::page_size_state is an element that gives the 
                   2943: user the opportunity to further refine the page settings if they
                   2944: select a single-column page.
                   2945: 
                   2946: page_size_state is always directly invoked in lonprintout.pm, so there
                   2947: is no tag interface. You actually pass parameters to the constructor.
                   2948: 
                   2949: =over 4
                   2950: 
                   2951: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2952: 
                   2953: =back
                   2954: 
                   2955: =cut
                   2956: 
                   2957: use Apache::lonhelper;
1.373     albertel 2958: use Apache::lonnet;
1.144     bowersj2 2959: no strict;
                   2960: @ISA = ("Apache::lonhelper::element");
                   2961: use strict;
                   2962: 
                   2963: 
                   2964: 
                   2965: sub new { 
                   2966:     my $self = Apache::lonhelper::element->new();
                   2967: 
                   2968:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2969:            # package descriptor)... - Jeremy
                   2970: 
                   2971:     $self->{'variable'} = shift;
                   2972:     my $helper = Apache::lonhelper::getHelper();
                   2973:     $helper->declareVar($self->{'variable'});
                   2974: 
                   2975:     # The variable name of the format element, so we can look into 
                   2976:     # $helper->{VARS} to figure out whether the columns are one or two
                   2977:     $self->{'formatvar'} = shift;
                   2978: 
1.463     foxr     2979: 
1.144     bowersj2 2980:     $self->{NEXTSTATE} = shift;
                   2981:     bless($self);
1.467     foxr     2982: 
1.144     bowersj2 2983:     return $self;
                   2984: }
                   2985: 
                   2986: sub render {
                   2987:     my $self = shift;
                   2988:     my $helper = Apache::lonhelper::getHelper();
                   2989:     my $result = '';
                   2990:     my $var = $self->{'variable'};
                   2991: 
1.467     foxr     2992: 
                   2993: 
1.144     bowersj2 2994:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 2995:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 2996:     }
                   2997: 
1.438     foxr     2998:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     2999: 
                   3000:     # Use format to get sensible defaults for the margins:
                   3001: 
                   3002: 
                   3003:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3004:     ($papersize)                      = split(/ /, $papersize);
                   3005: 
                   3006: 
                   3007:     if ($laystyle eq 'L') {
                   3008: 	$laystyle = 'album';
                   3009:     } else {
                   3010: 	$laystyle = 'book';
                   3011:     }
                   3012: 
                   3013: 
1.464     albertel 3014:     my %size;
                   3015:     ($size{'width_and_units'},
                   3016:      $size{'height_and_units'},
                   3017:      $size{'margin_and_units'})=
                   3018: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     3019:     
1.464     albertel 3020:     foreach my $dimension ('width','height','margin') {
                   3021: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   3022: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   3023:        	
                   3024: 	foreach my $unit ('cm','in') {
                   3025: 	    $size{$dimension.'_options'} .= '<option ';
                   3026: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   3027: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   3028: 	    }
                   3029: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   3030: 	}
1.438     foxr     3031:     }
                   3032: 
1.144     bowersj2 3033:     $result .= <<ELEMENTHTML;
                   3034: 
1.463     foxr     3035: 
                   3036: 
1.464     albertel 3037: <p>How should each column be formatted?</p>
1.144     bowersj2 3038: 
                   3039: <table cellpadding='3'>
                   3040:   <tr>
                   3041:     <td align='right'><b>Width</b>:</td>
1.464     albertel 3042:     <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
1.144     bowersj2 3043:     <td align='left'>
                   3044:       <select name='$var.widthunit'>
1.464     albertel 3045:       $size{'width_options'}
1.144     bowersj2 3046:       </select>
                   3047:     </td>
                   3048:   </tr>
                   3049:   <tr>
                   3050:     <td align='right'><b>Height</b>:</td>
1.464     albertel 3051:     <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
1.144     bowersj2 3052:     <td align='left'>
                   3053:       <select name='$var.heightunit'>
1.464     albertel 3054:       $size{'height_options'}
1.144     bowersj2 3055:       </select>
                   3056:     </td>
                   3057:   </tr>
                   3058:   <tr>
                   3059:     <td align='right'><b>Left margin</b>:</td>
1.464     albertel 3060:     <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
1.144     bowersj2 3061:     <td align='left'>
1.186     bowersj2 3062:       <select name='$var.lmarginunit'>
1.464     albertel 3063:       $size{'margin_options'}
1.144     bowersj2 3064:       </select>
                   3065:     </td>
                   3066:   </tr>
                   3067: </table>
                   3068: 
1.464     albertel 3069: <!--<p>Hint: Some instructors like to leave scratch space for the student by
                   3070: making the width much smaller than the width of the page.</p>-->
1.144     bowersj2 3071: 
                   3072: ELEMENTHTML
                   3073: 
                   3074:     return $result;
                   3075: }
                   3076: 
                   3077: # If the user didn't select 1 column, skip this state.
                   3078: sub preprocess {
                   3079:     my $self = shift;
                   3080:     my $helper = Apache::lonhelper::getHelper();
                   3081: 
                   3082:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     3083: 
                   3084:     #  If the user does not have 'pav' privilege, set default widths and
                   3085:     #  on to the next state right away.
                   3086:     #
                   3087:     if (!$perm{'pav'}) {
                   3088: 	my $var = $self->{'variable'};
                   3089: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   3090: 	
                   3091: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3092: 	($papersize)                      = split(/ /, $papersize);
                   3093: 	
                   3094: 	
                   3095: 	if ($laystyle eq 'L') {
                   3096: 	    $laystyle = 'album';
                   3097: 	} else {
                   3098: 	    $laystyle = 'book';
                   3099: 	}
                   3100: 	#  Figure out some good defaults for the print out and set them:
                   3101: 	
                   3102: 	my %size;
                   3103: 	($size{'width'},
                   3104: 	 $size{'height'},
                   3105: 	 $size{'lmargin'})=
                   3106: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   3107: 	
                   3108: 	foreach my $dim ('width', 'height', 'lmargin') {
                   3109: 	    my ($value, $units) = split(/ /, $size{$dim});
                   3110: 	    
                   3111: 	    &Apache::lonnet::logthis("$dim : $value : $units");
                   3112: 	    
                   3113: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   3114: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   3115: 	    
                   3116: 	}
                   3117: 	
                   3118: 
                   3119: 	# Transition to the next state
                   3120: 
                   3121: 	$helper->changeState($self->{NEXTSTATE});
                   3122:     }
1.144     bowersj2 3123:    
                   3124:     return 1;
                   3125: }
                   3126: 
                   3127: sub postprocess {
                   3128:     my $self = shift;
                   3129: 
                   3130:     my $var = $self->{'variable'};
                   3131:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 3132:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   3133:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   3134:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   3135:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   3136:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   3137:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 3138: 
                   3139:     my $error = '';
                   3140: 
                   3141:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   3142:     # by an optional period, followed by digits, ending the string
                   3143: 
1.464     albertel 3144:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3145:         $error .= "Invalid width; please type only a number.<br />\n";
                   3146:     }
1.464     albertel 3147:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3148:         $error .= "Invalid height; please type only a number.<br />\n";
                   3149:     }
1.464     albertel 3150:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3151:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   3152:     }
                   3153: 
                   3154:     if (!$error) {
                   3155:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   3156:         return 1;
                   3157:     } else {
                   3158:         $self->{ERROR_MSG} = $error;
                   3159:         return 0;
                   3160:     }
                   3161: }
                   3162: 
                   3163: 
1.119     bowersj2 3164: 
1.1       www      3165: __END__
1.6       sakharuk 3166: 

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>