Annotation of loncom/interface/lonprintout.pm, revision 1.391

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.391   ! foxr        4: # $Id: lonprintout.pm,v 1.390 2005/09/01 18:35:15 albertel Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: 
                     31: use strict;
1.10      albertel   32: use Apache::Constants qw(:common :http);
1.2       sakharuk   33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.54      sakharuk   35: use Apache::loncommon;
1.13      sakharuk   36: use Apache::inputtags;
1.54      sakharuk   37: use Apache::grades;
1.13      sakharuk   38: use Apache::edit;
1.5       sakharuk   39: use Apache::File();
1.68      sakharuk   40: use Apache::lonnavmaps;
1.227     sakharuk   41: use Apache::lonratedt;
1.34      sakharuk   42: use POSIX qw(strftime);
1.255     www        43: use Apache::lonlocal;
1.60      sakharuk   44: 
1.375     foxr       45: my $resources_printed = '';
                     46: 
1.385     foxr       47: #
                     48: #   Convert a numeric code to letters
                     49: #
                     50: sub num_to_letters {
                     51:     my ($num) = @_;
                     52:     my @nums= split('',$num);
                     53:     my @num_to_let=('A'..'Z');
                     54:     my $word;
                     55:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                     56:     return $word;
                     57: }
                     58: #   Convert a letter code to numeric.
                     59: #
                     60: sub letters_to_num {
                     61:     my ($letters) = @_;
                     62:     my @letters = split('', uc($letters));
                     63:     my %substitution;
                     64:     my $digit = 0;
                     65:     foreach my $letter ('A'..'J') {
                     66: 	$substitution{$letter} = $digit;
                     67: 	$digit++;
                     68:     }
                     69:     #  The substitution is done as below to preserve leading
                     70:     #  zeroes which are needed to keep the code size exact
                     71:     #
                     72:     my $result ="";
                     73:     foreach my $letter (@letters) {
                     74: 	$result.=$substitution{$letter};
                     75:     }
                     76:     return $result;
                     77: }
                     78: 
1.383     foxr       79: #  Determine if a code is a valid numeric code.  Valid
                     80: #  numeric codes must be comprised entirely of digits and
1.384     albertel   81: #  have a correct number of digits.
1.383     foxr       82: #
                     83: #  Parameters:
                     84: #     value      - proposed code value.
1.384     albertel   85: #     num_digits - Number of digits required.
1.383     foxr       86: #
                     87: sub is_valid_numeric_code {
1.384     albertel   88:     my ($value, $num_digits) = @_;
1.383     foxr       89:     #   Remove leading/trailing whitespace;
1.387     foxr       90:     $value =~ s/^\s*//g;
                     91:     $value =~ s/\s*$//g;
1.383     foxr       92:     
                     93:     #  All digits?
1.387     foxr       94:     if ($value !~ /^[0-9]+$/) {
1.383     foxr       95: 	return "Numeric code $value has invalid characters - must only be digits";
                     96:     }
1.384     albertel   97:     if (length($value) != $num_digits) {
                     98: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                     99:     }
1.385     foxr      100:     return undef;
1.383     foxr      101: }
                    102: #   Determines if a code is a valid alhpa code.  Alpha codes
                    103: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  104: #   They also have a correct digit count.
1.383     foxr      105: # Parameters:
                    106: #     value          - Proposed code value.
1.384     albertel  107: #     num_letters    - correct number of letters.
1.383     foxr      108: # Note:
                    109: #    leading and trailing whitespace are ignored.
                    110: #
                    111: sub is_valid_alpha_code {
1.384     albertel  112:     my ($value, $num_letters) = @_;
1.383     foxr      113:     
                    114:      # strip leading and trailing spaces.
                    115: 
                    116:     $value =~ s/^\s*//g;
                    117:     $value =~ s/\s*$//g;
                    118: 
                    119:     #  All alphas in the right range?
1.384     albertel  120:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      121: 	return "Invalid letter code $value must only contain A-J";
                    122:     }
1.384     albertel  123:     if (length($value) != $num_letters) {
                    124: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    125:     }
1.385     foxr      126:     return undef;
1.383     foxr      127: }
                    128: 
1.382     foxr      129: #   Determine if a code entered by the user in a helper is valid.
                    130: #   valid depends on the code type and the type of code selected.
                    131: #   The type of code selected can either be numeric or 
                    132: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    133: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    134: #   We'll be nice and be case insensitive for alpha codes.
                    135: # Parameters:
                    136: #    code_value    - the value of the code the user typed in.
                    137: #    code_option   - The code type selected from the set in the scantron format
                    138: #                    table.
                    139: # Returns:
                    140: #    undef         - The code is valid.
                    141: #    other         - An error message indicating what's wrong.
                    142: #
                    143: sub is_code_valid {
                    144:     my ($code_value, $code_option) = @_;
1.383     foxr      145:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
                    146:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                    147:     foreach my $line (<FG>) {
                    148: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    149: 	if($name eq $code_option) {
                    150: 	    $code_length = $length;
                    151: 	    if($type eq 'number') {
                    152: 		$code_type = 'number';
                    153: 	    }
                    154: 	}
                    155:     }
                    156:     my $valid;
                    157:     if ($code_type eq 'number') {
1.385     foxr      158: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      159:     } else {
1.385     foxr      160: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      161:     }
1.382     foxr      162: 
                    163: }
                    164: 
1.341     foxr      165: #   Compare two students by name.  The students are in the form
                    166: #   returned by the helper:
                    167: #      user:domain:section:last,   first:status
                    168: #   This is a helper function for the perl sort built-in  therefore:
                    169: # Implicit Inputs:
                    170: #    $a     - The first element to compare (global)
                    171: #    $b     - The second element to compare (global)
                    172: # Returns:
                    173: #   -1   - $a < $b
                    174: #    0   - $a == $b
                    175: #   +1   - $a > $b
                    176: #   Note that the initial comparison is done on the last names with the
                    177: #   first names only used to break the tie.
                    178: #
                    179: #
                    180: sub compare_names {
                    181:     #  First split the names up into the primary fields.
                    182: 
                    183:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    184:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    185: 
                    186:     # Now split the last name and first name of each n:
                    187:     #
                    188: 
                    189:     my ($l1,$f1) = split(/,/, $n1);
                    190:     my ($l2,$f2) = split(/,/, $n2);
                    191: 
                    192:     # We don't bother to remove the leading/trailing whitespace from the
                    193:     # firstname, unless the last names compare identical.
                    194: 
                    195:     if($l1 lt $l2) {
                    196: 	return -1;
                    197:     }
                    198:     if($l1 gt $l2) {
                    199: 	return  1;
                    200:     }
                    201: 
                    202:     # Break the tie on the first name, but there are leading (possibly trailing
                    203:     # whitespaces to get rid of first 
                    204:     #
                    205:     $f1 =~ s/^\s+//;		# Remove leading...
                    206:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    207:     
                    208:     $f2 =~ s/^\s+//;
                    209:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    210: 
                    211:     if($f1 lt $f2) {
                    212: 	return -1;
                    213:     }
                    214:     if($f1 gt $f2) {
                    215: 	return 1;
                    216:     }
                    217:     
                    218:     #  Must be the same name.
                    219: 
                    220:     return 0;
                    221: }
                    222: 
1.71      sakharuk  223: sub latex_header_footer_remove {
                    224:     my $text = shift;
                    225:     $text =~ s/\\end{document}//;
                    226:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    227:     return $text;
                    228: }
                    229: 
                    230: 
1.37      sakharuk  231: sub character_chart {
                    232:     my $result = shift;	
1.116     sakharuk  233:     $result =~ s/&\#0?0?(7|9);//g;
                    234:     $result =~ s/&\#0?(10|13);//g;
                    235:     $result =~ s/&\#0?32;/ /g;
                    236:     $result =~ s/&\#0?33;/!/g;
                    237:     $result =~ s/&(\#0?34|quot);/\"/g;
                    238:     $result =~ s/&\#0?35;/\\\#/g;
                    239:     $result =~ s/&\#0?36;/\\\$/g;
                    240:     $result =~ s/&\#0?37;/\\%/g; 
                    241:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    242:     $result =~ s/&\#(0?39|146);/\'/g;
                    243:     $result =~ s/&\#0?40;/(/g;
                    244:     $result =~ s/&\#0?41;/)/g;
                    245:     $result =~ s/&\#0?42;/\*/g;
                    246:     $result =~ s/&\#0?43;/\+/g;
                    247:     $result =~ s/&\#(0?44|130);/,/g;
                    248:     $result =~ s/&\#0?45;/-/g;
                    249:     $result =~ s/&\#0?46;/\./g;
                    250:     $result =~ s/&\#0?47;/\//g;
                    251:     $result =~ s/&\#0?48;/0/g;
                    252:     $result =~ s/&\#0?49;/1/g;
                    253:     $result =~ s/&\#0?50;/2/g;
                    254:     $result =~ s/&\#0?51;/3/g;
                    255:     $result =~ s/&\#0?52;/4/g;
                    256:     $result =~ s/&\#0?53;/5/g;
                    257:     $result =~ s/&\#0?54;/6/g;
                    258:     $result =~ s/&\#0?55;/7/g;
                    259:     $result =~ s/&\#0?56;/8/g;
                    260:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  261:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  262:     $result =~ s/&\#0?59;/;/g;
                    263:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  264:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    265:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  266:     $result =~ s/&\#0?63;/\?/g;
                    267:     $result =~ s/&\#0?65;/A/g;
                    268:     $result =~ s/&\#0?66;/B/g;
                    269:     $result =~ s/&\#0?67;/C/g;
                    270:     $result =~ s/&\#0?68;/D/g;
                    271:     $result =~ s/&\#0?69;/E/g;
                    272:     $result =~ s/&\#0?70;/F/g;
                    273:     $result =~ s/&\#0?71;/G/g;
                    274:     $result =~ s/&\#0?72;/H/g;
                    275:     $result =~ s/&\#0?73;/I/g;
                    276:     $result =~ s/&\#0?74;/J/g;
                    277:     $result =~ s/&\#0?75;/K/g;
                    278:     $result =~ s/&\#0?76;/L/g;
                    279:     $result =~ s/&\#0?77;/M/g;
                    280:     $result =~ s/&\#0?78;/N/g;
                    281:     $result =~ s/&\#0?79;/O/g;
                    282:     $result =~ s/&\#0?80;/P/g;
                    283:     $result =~ s/&\#0?81;/Q/g;
                    284:     $result =~ s/&\#0?82;/R/g;
                    285:     $result =~ s/&\#0?83;/S/g;
                    286:     $result =~ s/&\#0?84;/T/g;
                    287:     $result =~ s/&\#0?85;/U/g;
                    288:     $result =~ s/&\#0?86;/V/g;
                    289:     $result =~ s/&\#0?87;/W/g;
                    290:     $result =~ s/&\#0?88;/X/g;
                    291:     $result =~ s/&\#0?89;/Y/g;
                    292:     $result =~ s/&\#0?90;/Z/g;
                    293:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  294:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  295:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  296:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  297:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    298:     $result =~ s/&\#(0?96|145);/\`/g;
                    299:     $result =~ s/&\#0?97;/a/g;
                    300:     $result =~ s/&\#0?98;/b/g;
                    301:     $result =~ s/&\#0?99;/c/g;
                    302:     $result =~ s/&\#100;/d/g;
                    303:     $result =~ s/&\#101;/e/g;
                    304:     $result =~ s/&\#102;/f/g;
                    305:     $result =~ s/&\#103;/g/g;
                    306:     $result =~ s/&\#104;/h/g;
                    307:     $result =~ s/&\#105;/i/g;
                    308:     $result =~ s/&\#106;/j/g;
                    309:     $result =~ s/&\#107;/k/g;
                    310:     $result =~ s/&\#108;/l/g;
                    311:     $result =~ s/&\#109;/m/g;
                    312:     $result =~ s/&\#110;/n/g;
                    313:     $result =~ s/&\#111;/o/g;
                    314:     $result =~ s/&\#112;/p/g;
                    315:     $result =~ s/&\#113;/q/g;
                    316:     $result =~ s/&\#114;/r/g;
                    317:     $result =~ s/&\#115;/s/g;
                    318:     $result =~ s/&\#116;/t/g;
                    319:     $result =~ s/&\#117;/u/g;
                    320:     $result =~ s/&\#118;/v/g;
                    321:     $result =~ s/&\#119;/w/g;
                    322:     $result =~ s/&\#120;/x/g;
                    323:     $result =~ s/&\#121;/y/g;
                    324:     $result =~ s/&\#122;/z/g;
                    325:     $result =~ s/&\#123;/\\{/g;
                    326:     $result =~ s/&\#124;/\|/g;
                    327:     $result =~ s/&\#125;/\\}/g;
                    328:     $result =~ s/&\#126;/\~/g;
                    329:     $result =~ s/&\#131;/\\textflorin /g;
                    330:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  331:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    332:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    333:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  334:     $result =~ s/&\#137;/\\textperthousand /g;
                    335:     $result =~ s/&\#140;/{\\OE}/g;
                    336:     $result =~ s/&\#147;/\`\`/g;
                    337:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  338:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  339:     $result =~ s/&\#150;/--/g;
                    340:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  341:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  342:     $result =~ s/&\#153;/\\texttrademark /g;
                    343:     $result =~ s/&\#156;/\\oe/g;
                    344:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  345:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  346:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    347:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    348:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    349:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    350:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    351:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    352:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    353:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    354:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    355:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  356:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  357:     $result =~ s/&(\#173|shy);/ - /g;
                    358:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  359:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    360:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    361:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    362:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    363:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  364:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  365:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  366:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  367:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  368:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  369:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  370:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    371:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    372:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    373:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    374:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    375:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    376:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    377:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    378:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    379:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    380:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    381:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    382:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    383:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    384:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    385:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    386:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    387:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    388:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    389:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    390:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    391:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    392:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    393:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    394:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    395:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    396:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  397:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  398:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    399:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    400:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    401:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    402:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    403:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  404:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  405:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    406:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    407:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    408:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    409:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    410:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    411:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    412:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    413:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    414:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    415:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    416:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    417:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    418:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    419:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    420:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  421:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  422:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    423:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    424:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    425:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    426:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    427:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  428:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  429:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    430:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    431:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    432:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    433:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    434:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    435:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.281     sakharuk  436:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  437: #Greek Alphabet
1.281     sakharuk  438:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    439:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    440:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    441:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    442:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    443:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    444:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    445:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    446:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    447:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    448:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    449:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    450:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    451:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  452:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  453:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    454:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    455:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    456:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    457:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    458:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    459:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    460:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    461:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    462:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    463:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  464:     $result =~ s/&(Alpha|\#913);/A/g;
                    465:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  466:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    467:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  468:     $result =~ s/&(Epsilon|\#917);/E/g;
                    469:     $result =~ s/&(Zeta|\#918);/Z/g;
                    470:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  471:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  472:     $result =~ s/&(Iota|\#921);/I/g;
                    473:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  474:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  475:     $result =~ s/&(Mu|\#924);/M/g;
                    476:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  477:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  478:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  479:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  480:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  481:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  482:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  483:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    484:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  485:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  486:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    487:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  488: #Arrows (extended HTML 4.01)
1.281     sakharuk  489:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    490:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    491:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    492:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    493:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    494:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    495:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    496:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    497:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    498:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  499: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  500:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    501:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    502:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    503:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    504:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    505:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    506:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    507:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    508:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    509:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    510:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  511:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  512:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    513:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    514:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    515:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    516:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    517:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    518:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    519:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    520:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    521:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    522:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    523:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    524:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    525:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    526:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    527:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    528:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    529:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    530:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    531:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    532:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    533:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    534:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    535:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    536:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    537:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  538: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  539:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  540: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  541:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    542:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    543:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    544:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  545:     return $result;
                    546: }
1.41      sakharuk  547: 
                    548: 
1.327     albertel  549:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    550: my %page_formats=
                    551:     ('letter' => {
                    552: 	 'book' => {
1.349     albertel  553: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    554: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  555: 	 },
                    556: 	 'album' => {
1.338     albertel  557: 	     '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
1.327     albertel  558: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    559: 	 },
                    560:      },
                    561:      'legal' => {
                    562: 	 'book' => {
                    563: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    564: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    565: 	 },
                    566: 	 'album' => {
1.376     albertel  567: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    568:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  569:           },
                    570:      },
                    571:      'tabloid' => {
                    572: 	 'book' => {
                    573: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    574: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    575: 	 },
                    576: 	 'album' => {
1.376     albertel  577: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    578: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  579:           },
                    580:      },
                    581:      'executive' => {
                    582: 	 'book' => {
                    583: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    584: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    585: 	 },
                    586: 	 'album' => {
                    587: 	     '1' => [],
                    588: 	     '2' => []
                    589:           },
                    590:      },
                    591:      'a2' => {
                    592: 	 'book' => {
                    593: 	     '1' => [],
                    594: 	     '2' => []
                    595: 	 },
                    596: 	 'album' => {
                    597: 	     '1' => [],
                    598: 	     '2' => []
                    599:           },
                    600:      },
                    601:      'a3' => {
                    602: 	 'book' => {
                    603: 	     '1' => [],
                    604: 	     '2' => []
                    605: 	 },
                    606: 	 'album' => {
                    607: 	     '1' => [],
                    608: 	     '2' => []
                    609:           },
                    610:      },
                    611:      'a4' => {
                    612: 	 'book' => {
                    613: 	     '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
                    614: 	     '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
                    615: 	 },
                    616: 	 'album' => {
                    617: 	     '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
                    618: 	     '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
                    619: 	 },
                    620:      },
                    621:      'a5' => {
                    622: 	 'book' => {
                    623: 	     '1' => [],
                    624: 	     '2' => []
                    625: 	 },
                    626: 	 'album' => {
                    627: 	     '1' => [],
                    628: 	     '2' => []
                    629:           },
                    630:      },
                    631:      'a6' => {
                    632: 	 'book' => {
                    633: 	     '1' => [],
                    634: 	     '2' => []
                    635: 	 },
                    636: 	 'album' => {
                    637: 	     '1' => [],
                    638: 	     '2' => []
                    639:           },
                    640:      },
                    641:      );
                    642: 
1.177     sakharuk  643: sub page_format {
1.140     sakharuk  644: #
1.326     sakharuk  645: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    646: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    647: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    648: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    649: #                        "A6 [105x148 mm]"
1.140     sakharuk  650: # 
                    651:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  652:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  653: }
1.76      sakharuk  654: 
                    655: 
1.126     albertel  656: sub get_name {
                    657:     my ($uname,$udom)=@_;
1.373     albertel  658:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    659:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  660:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  661:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    662:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    663:     return $plainname;
1.126     albertel  664: }
                    665: 
1.213     albertel  666: sub get_course {
                    667:     my $courseidinfo;
1.373     albertel  668:     if (defined($env{'request.course.id'})) {
                    669: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  670:     }
                    671:     return $courseidinfo;
                    672: }
1.177     sakharuk  673: 
1.76      sakharuk  674: sub page_format_transformation {
1.312     sakharuk  675:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  676:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  677:     if ($selectionmade eq '4') {
                    678: 	$assignment='Problems from the Whole Course';
                    679:     } else {
                    680: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    681:     }
1.261     sakharuk  682:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  683:     my $name = &get_name();
1.213     albertel  684:     my $courseidinfo = &get_course();
                    685:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.319     sakharuk  686:     my $topmargintoinsert = '';
                    687:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  688:     my $fancypagestatement='';
                    689:     if ($numberofcolumns eq '2') {
                    690: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    691:     } else {
                    692: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    693:     }
1.140     sakharuk  694:     if ($layout eq 'album') {
1.340     foxr      695: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  696:     } elsif ($layout eq 'book') {
                    697: 	if ($choice ne 'All class print') { 
1.340     foxr      698: 	    $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  699: 	} else {
1.340     foxr      700: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  701: 	}
1.326     sakharuk  702: 	if ($papersize eq 'a4') {
1.319     sakharuk  703: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  704: 	}
                    705:     }
1.214     sakharuk  706:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    707:     if ($indexlist eq 'yes') {
                    708: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    709: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    710:     }
1.140     sakharuk  711:     return $text;
                    712: }
                    713: 
                    714: 
1.33      sakharuk  715: sub page_cleanup {
                    716:     my $result = shift;	
1.65      sakharuk  717:  
                    718:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  719:     my $number_of_columns = $1;
1.33      sakharuk  720:     my $insert = '{';
1.34      sakharuk  721:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  722:     $insert .= '}';
1.65      sakharuk  723:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  724:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    725:     return $result,$number_of_columns;
1.7       sakharuk  726: }
1.5       sakharuk  727: 
1.3       sakharuk  728: 
1.60      sakharuk  729: sub details_for_menu {
1.335     albertel  730:     my ($helper)=@_;
1.373     albertel  731:     my $postdata=$env{'form.postdata'};
1.335     albertel  732:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    733:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    734:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       735:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  736:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  737:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  738:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  739: 	$map =~ m|([^/]+)$|;
                    740: 	$name_of_sequence = $1;
1.63      albertel  741:     }
1.373     albertel  742:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel  743:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel  744: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel  745: 	$name_of_map = $1;
                    746:     }
1.335     albertel  747:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  748: }
                    749: 
                    750: 
                    751: sub latex_corrections {
                    752: 
1.316     sakharuk  753:     my ($number_of_columns,$result,$selectionmade) = @_;
1.76      sakharuk  754: 
1.185     sakharuk  755: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  756:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.316     sakharuk  757:     if ($selectionmade ne '1') {
                    758: 	$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/;
                    759:     } else {
                    760: 	$result =~ s/(\\end{document})/\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License  $1/;
                    761:     }
1.91      sakharuk  762:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    763:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  764: #-- LaTeX corrections     
                    765:     my $first_comment = index($result,'<!--',0);
                    766:     while ($first_comment != -1) {
                    767: 	my $end_comment = index($result,'-->',$first_comment);
                    768: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    769: 	$first_comment = index($result,'<!--',$first_comment);
                    770:     }
                    771:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel  772:     #removes more than one empty space
                    773:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk  774:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    775:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    776:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  777:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  778:     #conversion of html characters to LaTeX equivalents
                    779:     if ($result =~ m/&(\w+|#\d+);/) {
                    780: 	$result = &character_chart($result);
                    781:     }
                    782:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    783:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    784: 
                    785:     return $result;
1.60      sakharuk  786: }
                    787: 
1.3       sakharuk  788: 
1.214     sakharuk  789: sub index_table {
                    790:     my $currentURL = shift;
                    791:     my $insex_string='';
                    792:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    793:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    794:     return $insex_string;
                    795: }
                    796: 
                    797: 
1.215     sakharuk  798: sub IndexCreation {
                    799:     my ($texversion,$currentURL)=@_;
                    800:     my @key_words=split(/,/,&index_table($currentURL));
                    801:     my $chunk='';
                    802:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    803:     if ($st>0) {
                    804: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    805: 	$chunk=substr($texversion,0,$st+1);
                    806: 	substr($texversion,0,$st+1)=' ';
                    807:     }
                    808:     foreach my $key_word (@key_words) {
                    809: 	if ($key_word=~/\S+/) {
                    810: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    811: 	}
                    812:     }			
                    813:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    814:     return $texversion;
                    815: }
                    816: 
1.242     sakharuk  817: sub print_latex_header {
                    818:     my $mode=shift;
                    819:     my $output='\documentclass[letterpaper]{article}';
1.373     albertel  820:     if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
1.242     sakharuk  821: 	$output.='\batchmode';
                    822:     }
1.340     foxr      823:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
                    824: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      825: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
                    826: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      827: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    828: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    829: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    830: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    831: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    832: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    833: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    834: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    835: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    836: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    837: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    838: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    839: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  840:     return $output;	     
                    841: }
                    842: 
                    843: sub path_to_problem {
1.328     albertel  844:     my ($urlp,$colwidth)=@_;
1.242     sakharuk  845:     my $newurlp = '';
1.328     albertel  846:     $colwidth=~s/\s*mm\s*$//;
                    847: #characters average about 2 mm in width
1.360     albertel  848:     if (length($urlp)*2 > $colwidth) {
1.328     albertel  849: 	my @elements = split '/',$urlp;
                    850: 	my $curlength=0;
                    851: 	foreach my $element (@elements) {
                    852: 	    if ($curlength+(length($element)*2) > $colwidth) {
                    853: 		$newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    854: 		$curlength=0;
                    855: 	    } else {
                    856: 		$curlength+=length($element)*2;
1.242     sakharuk  857: 	    }
1.328     albertel  858: 	    $newurlp.='/'.$element;
1.242     sakharuk  859: 	}
1.253     sakharuk  860:     } else {
                    861: 	$newurlp=$urlp;
1.242     sakharuk  862:     }
                    863:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    864: }
1.215     sakharuk  865: 
1.275     sakharuk  866: sub recalcto_mm {
                    867:     my $textwidth=shift;
                    868:     my $LaTeXwidth;
1.339     albertel  869:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  870: 	$LaTeXwidth = $1*10;
1.339     albertel  871:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  872: 	$LaTeXwidth = $1;
1.339     albertel  873:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  874: 	$LaTeXwidth = $1*25.4;
                    875:     }
                    876:     $LaTeXwidth.=' mm';
                    877:     return $LaTeXwidth;
                    878: }
                    879: 
1.285     albertel  880: sub get_textwidth {
                    881:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  882:     my $textwidth=$LaTeXwidth;
1.285     albertel  883:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    884: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  885: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    886: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  887:     }
1.286     albertel  888:     return $textwidth;
1.285     albertel  889: }
                    890: 
1.296     sakharuk  891: 
                    892: sub unsupported {
1.307     sakharuk  893:     my ($currentURL,$mode)=@_;
                    894:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  895:     my $result.= &print_latex_header($mode);
1.301     sakharuk  896:     if ($currentURL=~/\/ext\//) {
1.296     sakharuk  897: 	$result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    898:     } else {
                    899: 	$result.=$currentURL;
                    900:     }
1.297     sakharuk  901:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  902:     return $result;
                    903: }
                    904: 
                    905: 
1.363     foxr      906: #
                    907: #   Retrieve the hash of page breaks.
                    908: #
                    909: #  Inputs:
                    910: #    helper   - reference to helper object.
                    911: #  Outputs
                    912: #    A reference to a page break hash.
                    913: #
                    914: #
                    915: 
                    916: sub get_page_breaks  {
                    917:     my ($helper) = @_;
                    918:     my %page_breaks;
                    919:     
                    920:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                    921: 	$page_breaks{$break} = 1;
                    922:     }
                    923:     
1.364     albertel  924:     return %page_breaks;
1.363     foxr      925: }
                    926: 
1.177     sakharuk  927: sub output_data {
1.184     sakharuk  928:     my ($r,$helper,$rparmhash) = @_;
                    929:     my %parmhash = %$rparmhash;
1.361     albertel  930:     my $html=&Apache::lonxml::xmlbegin();
1.187     www       931:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  932:     $r->print(<<ENDPART);
1.361     albertel  933: $html
                    934: <head>
                    935: <script type="text/javascript" language="Javascript">
1.264     sakharuk  936:     var editbrowser;
                    937:     function openbrowser(formname,elementname,only,omit) {
                    938:         var url = '/res/?';
                    939:         if (editbrowser == null) {
                    940:             url += 'launch=1&';
                    941:         }
                    942:         url += 'catalogmode=interactive&';
                    943:         url += 'mode=parmset&';
                    944:         url += 'form=' + formname + '&';
                    945:         if (only != null) {
                    946:             url += 'only=' + only + '&';
                    947:         } 
                    948:         if (omit != null) {
                    949:             url += 'omit=' + omit + '&';
                    950:         }
                    951:         url += 'element=' + elementname + '';
                    952:         var title = 'Browser';
                    953:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    954:         options += ',width=700,height=600';
                    955:         editbrowser = open(url,title,options,'1');
                    956:         editbrowser.focus();
                    957:     }
                    958: </script>
1.140     sakharuk  959: <title>LON-CAPA output for printing</title>
                    960: </head>
1.187     www       961: $bodytag
                    962: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  963: ENDPART
                    964: 
1.363     foxr      965: 
1.372     foxr      966: 
1.363     foxr      967:     # fetch the pagebreaks and store them in the course environment
                    968:     # The page breaks will be pulled into the hash %page_breaks which is
                    969:     # indexed by symb and contains 1's for each break.
                    970: 
1.373     albertel  971:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                    972:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr      973:     &Apache::loncommon::store_course_settings('print',
1.366     foxr      974: 					      {'pagebreaks'    => 'scalar',
                    975: 					       'lastprinttype' => 'scalar'});
1.363     foxr      976: 
1.364     albertel  977:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr      978: 
1.140     sakharuk  979:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    980:     my ($result,$selectionmade) = ('','');
                    981:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    982:     my @temporary_array=split /\|/,$format_from_helper;
                    983:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    984:     if ($laystyle eq 'L') {
                    985: 	$laystyle='album';
                    986:     } else {
                    987: 	$laystyle='book';
                    988:     }
1.177     sakharuk  989:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel  990:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk  991:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  992:     my @print_array=();
1.274     sakharuk  993:     my @student_names=();
1.360     albertel  994: 
                    995:     #  Common settings for the %form has:
                    996:     # In some cases these settings get overriddent by specific cases, but the
                    997:     # settings are common enough to make it worthwhile factoring them out
                    998:     # here.
                    999:     #
                   1000:     my %form;
                   1001:     $form{'grade_target'} = 'tex';
                   1002:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr     1003: 
                   1004:     # If form.showallfoils is set, then request all foils be shown:
                   1005:     # privilege will be enforced both by not allowing the 
                   1006:     # check box selecting this option to be presnt unless it's ok,
                   1007:     # and by lonresponse's priv. check.
                   1008:     # The if is here because lonresponse.pm only cares that
                   1009:     # showallfoils is defined, not what the value is.
                   1010: 
                   1011:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1012: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1013:     }
                   1014: 
1.140     sakharuk 1015:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1016:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1017: 	my ($currentURL,$cleanURL);
1.375     foxr     1018: 
1.162     sakharuk 1019: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1020:             #prints published resource
1.153     sakharuk 1021: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1022: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1023: 	} else {
1.185     sakharuk 1024:             #prints resource from the construction space
1.240     albertel 1025: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1026: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1027: 	    $cleanURL=$currentURL;
1.143     sakharuk 1028: 	}
1.140     sakharuk 1029: 	$selectionmade = 1;
1.343     albertel 1030: 	if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1031: 	    my $rndseed=time;
1.242     sakharuk 1032: 	    my $texversion='';
                   1033: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1034: 		my %moreenv;
1.343     albertel 1035: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk 1036: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1037: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1.373     albertel 1038: 		    my $dom = $env{'user.domain'};
                   1039: 		    my $user = $env{'user.name'};
1.265     sakharuk 1040: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                   1041: 		}
1.290     sakharuk 1042:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1043: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1044: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1045: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1046: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1047: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk 1048: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1049: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1050: 		}
                   1051: 		$form{'rndseed'}=$rndseed;
                   1052: 		&Apache::lonnet::appenv(%moreenv);
                   1053: 		&Apache::lonnet::delenv('form.counter');
                   1054: 		&Apache::lonxml::init_counter();
1.375     foxr     1055: 		$resources_printed .= $currentURL.':';
1.275     sakharuk 1056: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1057: 		&Apache::lonnet::delenv('form.counter');
                   1058: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1059: 	    }
1.242     sakharuk 1060: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1061: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1062: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1063: 		$form{'grade_target'}='answer';
1.167     albertel 1064: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1065: 		$form{'rndseed'}=$rndseed;
1.375     foxr     1066: 		$resources_printed .= $currentURL.':';
1.166     albertel 1067: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1068: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1069: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1070: 		} else {
                   1071: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1072: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1073: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel 1074: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1075: 		    } else {
                   1076: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1077: 			my $URLpath=$cleanURL;
1.245     sakharuk 1078: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1079: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1080: 		    }
1.242     sakharuk 1081: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1082: 		}
1.163     sakharuk 1083: 	    }
1.214     sakharuk 1084: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1085: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1086: 	    }
1.219     sakharuk 1087: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1088: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1089: 
                   1090: 	    }
1.162     sakharuk 1091: 	    $result .= $texversion;
                   1092: 	    if ($currentURL=~m/\.page\s*$/) {
                   1093: 		($result,$number_of_columns) = &page_cleanup($result);
                   1094: 	    }
1.227     sakharuk 1095:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                   1096:             #printing content of sequence from the construction space	
                   1097: 	    my $flag_latex_header_remove = 'NO'; 
                   1098: 	    my $rndseed=time;
1.231     albertel 1099: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1100: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1101: 	    }
1.227     sakharuk 1102: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1103: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                   1104: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                   1105: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                   1106: 		my $urlp=$2;
                   1107: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk 1108: 		    my $texversion='';
                   1109: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1110: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1111: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk 1112: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1113: 			$form{'rndseed'}=$rndseed;
1.375     foxr     1114: 			$resources_printed .=$urlp.':';
1.245     sakharuk 1115: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                   1116: 		    }
1.249     sakharuk 1117: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1118: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1119: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.380     foxr     1120: 			#  Don't permanently modify %$form...
                   1121: 			my %answerform = %form;
                   1122: 			$answerform{'grade_target'}='answer';
                   1123: 			$answerform{'answer_output_mode'}='tex';
                   1124: 			$answerform{'rndseed'}=$rndseed;
                   1125: 			$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.373     albertel 1126:                         if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.375     foxr     1127: 			$resources_printed .= $urlp.':';
1.380     foxr     1128: 			my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.245     sakharuk 1129: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1130: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1131: 			} else {
                   1132: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1133: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1134: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                   1135: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1136: 			}
1.227     sakharuk 1137: 		    }
                   1138: 		    if ($flag_latex_header_remove ne 'NO') {
                   1139: 			$texversion = &latex_header_footer_remove($texversion);
                   1140: 		    } else {
                   1141: 			$texversion =~ s/\\end{document}//;
                   1142: 		    }
                   1143: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1144: 			$texversion=&IndexCreation($texversion,$urlp);
                   1145: 		    }
1.232     sakharuk 1146: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1147: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1148: 		    }
                   1149: 		    $result.=$texversion;
                   1150: 		    $flag_latex_header_remove = 'YES';
                   1151: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1152: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1153: 		}  
                   1154: 	    }
1.228     sakharuk 1155: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1156: 	    $result .= '\end{document}';   
1.343     albertel 1157: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1158: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1159: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1160: 		$resources_printed .= $currentURL.':';
1.258     sakharuk 1161: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1162: 		$result .= $texversion;
1.162     sakharuk 1163: 	} else {
1.307     sakharuk 1164: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk 1165: 	}
1.354     foxr     1166:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1167:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1168:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1169: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1170: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1171:         #-- produce an output string
1.296     sakharuk 1172: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1173: 	    $selectionmade = 2;
                   1174: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1175: 	    $selectionmade = 3;
                   1176: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1177: 	    $selectionmade = 4;
1.354     foxr     1178: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1179: 	    $selectionmade = 4;
1.296     sakharuk 1180: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1181: 	    $selectionmade = 7;
                   1182: 	}
1.193     sakharuk 1183: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1184: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1185: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1186: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1187: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1188: 	my $flag_latex_header_remove = 'NO';
                   1189: 	my $flag_page_in_sequence = 'NO';
                   1190: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1191: 	my $prevassignment='';
1.270     sakharuk 1192: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk 1193: 	&Apache::lonxml::init_counter();
1.141     sakharuk 1194: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1195: 
                   1196: 	    # Note due to document structure, not allowed to put \newpage
                   1197: 	    # prior to the first resource
                   1198: 
1.351     foxr     1199: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1200: 		if($i != 0) {
                   1201: 		    $result.="\\newpage\n";
                   1202: 		}
                   1203: 	    }
1.236     albertel 1204: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1205: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1206: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel 1207: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                   1208: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk 1209: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1210: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1211: 	    my $texversion='';
1.296     sakharuk 1212: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1213: 		$resources_printed .= $urlp.':';
1.297     sakharuk 1214: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1215: 		if ($urlp=~/\.page$/) {
                   1216: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1217: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1218: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1219: 		    $flag_page_in_sequence = 'YES';
                   1220: 		} 
                   1221: 		my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1222: 		my $envfile=$env{'user.environment'};
1.296     sakharuk 1223: 		$envfile=~/\/([^\/]+)\.id$/;
                   1224: 		$envfile=$1;
                   1225: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1226: 		my $current_counter=$env{'form.counter'};
1.296     sakharuk 1227: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1228: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1229: 		    #  Don't permanently pervert the %form hash
                   1230: 		    my %answerform = %form;
                   1231: 		    $answerform{'grade_target'}='answer';
                   1232: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1233: 		    $resources_printed .= $urlp.':';
1.380     foxr     1234: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.296     sakharuk 1235: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1236: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1237: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1238: 		    } else {
1.307     sakharuk 1239: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1240: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1241: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                   1242: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1243: 			    $texversion.='\vskip 1 mm '.$answer;
                   1244: 			} else {
                   1245: 			    $texversion='';
                   1246: 			}
1.249     sakharuk 1247: 		    }
1.246     sakharuk 1248: 		}
1.296     sakharuk 1249: 		if ($flag_latex_header_remove ne 'NO') {
                   1250: 		    $texversion = &latex_header_footer_remove($texversion);
                   1251: 		} else {
                   1252: 		    $texversion =~ s/\\end{document}//;
                   1253: 		}
                   1254: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1255: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1256: 		}
                   1257: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1258: 		    my $name = &get_name();
                   1259: 		    my $courseidinfo = &get_course();
                   1260: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1261: 		    $prevassignment=$assignment;
1.334     albertel 1262: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1.296     sakharuk 1263: 		}
                   1264: 		$result .= $texversion;
                   1265: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1266: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1267: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1268: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1269: 		$resources_printed .= $urlp.':';
1.301     sakharuk 1270: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1271: 		if ($flag_latex_header_remove ne 'NO') {
                   1272: 		    $texversion = &latex_header_footer_remove($texversion);
                   1273: 		} else {
                   1274: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1275: 		}
                   1276: 		$result .= $texversion;
                   1277: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1278: 	    } else {
1.307     sakharuk 1279: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk 1280: 		if ($flag_latex_header_remove ne 'NO') {
                   1281: 		    $texversion = &latex_header_footer_remove($texversion);
                   1282: 		} else {
                   1283: 		    $texversion =~ s/\\end{document}//;
                   1284: 		}
                   1285: 		$result .= $texversion;
                   1286: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1287: 	    }	    
1.331     albertel 1288: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1289: 	}
                   1290: 	&Apache::lonnet::delenv('form.counter');
1.344     foxr     1291: 	if ($flag_page_in_sequence eq 'YES') {
                   1292: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1293: 	}	
1.141     sakharuk 1294: 	$result .= '\end{document}';
1.284     albertel 1295:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1296: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1297: 
                   1298: 
1.150     sakharuk 1299:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1300: 	 my $type;
1.254     sakharuk 1301: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1302: 	     $selectionmade=5;
1.284     albertel 1303: 	     $type='problems';
1.254     sakharuk 1304: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1305: 	     $selectionmade=8;
1.284     albertel 1306: 	     $type='resources';
1.254     sakharuk 1307: 	 }
1.150     sakharuk 1308: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1309: 	 #   The normal sort order is by section then by students within the
                   1310: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1311: 	 #   to override this and output the students by name.
                   1312: 	 #    Each element of the students array is of the form:
                   1313: 	 #       username:domain:section:last, first:status
                   1314: 	 #    
                   1315: 	 #   
                   1316: 	 if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
                   1317: 	     @students = sort compare_names  @students;
                   1318: 	 }
1.278     albertel 1319:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1320: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1321: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1322: 	 }
1.150     sakharuk 1323: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1324: 
1.150     sakharuk 1325: 	 #loop over students
                   1326: 	 my $flag_latex_header_remove = 'NO'; 
                   1327: 	 my %moreenv;
1.330     sakharuk 1328:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1329: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1330: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1331: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1332: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1333: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1334: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1335: 	 my $student_counter=-1;
1.150     sakharuk 1336: 	 foreach my $person (@students) {
1.350     foxr     1337: 
1.373     albertel 1338:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1339: 	     if (-e $duefile) {
                   1340: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1341: 		 print $temp_file "1969\n";
                   1342: 	     }
1.272     sakharuk 1343: 	     $student_counter++;
1.284     albertel 1344: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1.375     foxr     1345: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1346: 						     $person,$type,
                   1347: 						     \%moreenv,\@master_seq,
1.360     albertel 1348: 						     $flag_latex_header_remove,
                   1349: 						     $LaTeXwidth);
1.375     foxr     1350: 	     $resources_printed .= ":";
1.284     albertel 1351: 	     $print_array[$i].=$output;
                   1352: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1353: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1354: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1355: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1356: 	 }
                   1357: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1358: 	 $result .= $print_array[0].'  \end{document}';
                   1359:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1360: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1361: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1362: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1363: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1364: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1365: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     1366: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     1367: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   1368: 
1.381     albertel 1369: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1370: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1371: 	 my ($code_type,$code_length)=('letter',6);
                   1372: 	 foreach my $line (<FH>) {
                   1373: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1374: 	     if ($name eq $code_option) {
                   1375: 		 $code_length=$length;
                   1376: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1377: 	     }
                   1378: 	 }
1.288     albertel 1379: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1380: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.288     albertel 1381: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1382: 	 my @allcodes;
                   1383: 	 if ($old_name) {
1.381     albertel 1384: 	     my %result=&Apache::lonnet::get('CODEs',
                   1385: 					     [$old_name,"type\0$old_name"],
                   1386: 					     $cdom,$cnum);
                   1387: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1388: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1389: 	     $num_todo=scalar(@allcodes);
1.389     foxr     1390: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     1391: 	     $num_todo = 1;
                   1392: 	     @allcodes = ($selected_code);
1.385     foxr     1393: 	 } elsif ($single_code) {
                   1394: 
1.387     foxr     1395: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     1396: 	     # If an alpha code have to convert to numbers so it can be
                   1397: 	     # converted back to letters again :-)
                   1398: 	     #
                   1399: 	     if ($code_type ne 'number') {
                   1400: 		 $single_code = &letters_to_num($single_code);
                   1401: 	     }
                   1402: 	     @allcodes = ($single_code);
1.292     albertel 1403: 	 } else {
                   1404: 	     my %allcodes;
1.299     albertel 1405: 	     srand($seed);
1.292     albertel 1406: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1407: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1408: 					    $code_type);
1.292     albertel 1409: 	     }
                   1410: 	     if ($code_name) {
                   1411: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1412: 				      {
                   1413: 					$code_name =>join(',',keys(%allcodes)),
                   1414: 					"type\0$code_name" => $code_type
                   1415: 				      },
1.292     albertel 1416: 				      $cdom,$cnum);
                   1417: 	     }
                   1418: 	     @allcodes=keys(%allcodes);
                   1419: 	 }
1.336     albertel 1420: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1421: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1422: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1423: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1424: 	     $number_per_page=$num_todo;
                   1425: 	 }
                   1426: 	 my $flag_latex_header_remove = 'NO'; 
                   1427: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1428: 	 my $count=0;
1.292     albertel 1429: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1430: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 1431: 	     if ($code_type eq 'number') { 
                   1432: 		 $moreenv{'CODE'}=$code;
                   1433: 	     } else {
                   1434: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   1435: 	     }
1.375     foxr     1436: 	     my ($output,$fullname, $printed)=
1.288     albertel 1437: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1438: 				  \@master_seq,$flag_latex_header_remove,
                   1439: 				  $LaTeXwidth);
1.375     foxr     1440: 	     $resources_printed .= ":";
1.295     albertel 1441: 	     $print_array[$file_num].=$output;
1.288     albertel 1442: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1443: 				       &mt('last assignment').' '.$fullname);
                   1444: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1445: 	     $count++;
1.331     albertel 1446: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1447: 	 }
                   1448: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1449: 	 $result .= $print_array[0].'  \end{document}';
                   1450:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1451:     #prints selected problems from the subdirectory 
                   1452: 	$selectionmade = 6;
                   1453:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1454: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1455: 	my $flag_latex_header_remove = 'NO'; 
                   1456: 	my $rndseed=time;
1.230     albertel 1457: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1458: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1459: 	}
1.151     sakharuk 1460: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1461: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1462: 	    $urlp=~s|//|/|;
1.152     sakharuk 1463: 	    if ($urlp=~/\//) {
1.353     foxr     1464: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1465: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1466: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1467: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1468: 		} else {
1.302     sakharuk 1469: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1470: 		}
1.375     foxr     1471: 		$resources_printed .= $urlp.':';
1.166     albertel 1472: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1473: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1474: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1475: 		    #  Don't permanently pervert %form:
                   1476: 		    my %answerform = %form;
                   1477: 		    $answerform{'grade_target'}='answer';
                   1478: 		    $answerform{'answer_output_mode'}='tex';
                   1479: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1480: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     1481: 		    $resources_printed .= $urlp.':';
1.380     foxr     1482: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.251     sakharuk 1483: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1484: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1485: 		    } else {
1.253     sakharuk 1486: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1487: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1488: 			    $texversion.='\vskip 0 mm \noindent ';
                   1489: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1490: 			} else {
                   1491: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1492: 			    my $URLpath=$urlp;
                   1493: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1494: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1495: 			}
                   1496: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1497: 		    }
1.174     sakharuk 1498: 		}
1.151     sakharuk 1499:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1500: 		my $newurlp=$urlp;
                   1501: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1502: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1503: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1504: 		if ($flag_latex_header_remove ne 'NO') {
                   1505: 		    $texversion = &latex_header_footer_remove($texversion);
                   1506: 		} else {
                   1507: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1508: 		}
                   1509: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1510: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1511: 		}
1.219     sakharuk 1512: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1513: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1514: 		    
                   1515: 		}
1.152     sakharuk 1516: 		$result .= $texversion;
                   1517: 	    }
                   1518: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1519: 	}
1.175     sakharuk 1520: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1521: 	$result .= '\end{document}';      	
1.140     sakharuk 1522:     }
                   1523: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1524:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.316     sakharuk 1525:     $result = &latex_corrections($number_of_columns,$result,$selectionmade);
                   1526:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1.190     sakharuk 1527:     #changes page's parameters for the one column output 
1.195     sakharuk 1528:     if ($numberofcolumns == 1) {
1.339     albertel 1529: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1530: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1531: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1532: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1533:     }
1.367     foxr     1534: 
1.140     sakharuk 1535: #-- writing .tex file in prtspool 
                   1536:     my $temp_file;
1.277     albertel 1537:     my $identifier = &Apache::loncommon::get_cgi_id();
1.379     foxr     1538:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.277     albertel 1539:     if (!($#print_array>0)) { 
                   1540: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1541: 	    $r->log_error("Couldn't open $filename for output $!");
                   1542: 	    return SERVER_ERROR; 
                   1543: 	}
                   1544: 	print $temp_file $result;
                   1545: 	my $begin=index($result,'\begin{document}',0);
                   1546: 	my $inc=substr($result,0,$begin+16);
                   1547:     } else {
                   1548: 	my $begin=index($result,'\begin{document}',0);
                   1549: 	my $inc=substr($result,0,$begin+16);
                   1550:         for (my $i=0;$i<=$#print_array;$i++) {
                   1551: 	    if ($i==0) {
                   1552: 		$print_array[$i]=$result;
                   1553: 	    } else {
                   1554: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1555: 		substr($print_array[$i],0,$anobegin)='';
                   1556: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1557: 	    }
1.272     sakharuk 1558: 	    my $temp_file;
1.273     sakharuk 1559: 	    my $newfilename=$filename;
1.277     albertel 1560: 	    my $num=$i+1;
1.379     foxr     1561: 	    $newfilename =~s/\.tex$//; 
                   1562: 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1.272     sakharuk 1563: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1564: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1565: 		return SERVER_ERROR; 
                   1566: 	    }
                   1567: 	    print $temp_file $print_array[$i];
                   1568: 	}
                   1569:     }
1.274     sakharuk 1570:     my $student_names='';
                   1571:     if ($#print_array>0) {
                   1572: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1573: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1574: 	}
1.277     albertel 1575:     } else {
1.278     albertel 1576: 	if ($#student_names>-1) {
                   1577: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1578: 	} else {
1.373     albertel 1579: 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   1580: 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   1581: 				$env{'request.course.sec'},$fullname).
1.278     albertel 1582: 				    '_ENDPERSON_'.'_END_';
                   1583: 	}
1.274     sakharuk 1584:     }
                   1585: 
1.276     sakharuk 1586:     my $URLback=''; #link to original document
                   1587:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1588: 	#prints published resource
1.342     albertel 1589: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1590:     } else {
                   1591: 	#prints resource from the construction space
                   1592: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1593: 	if ($URLback=~/([^?]+)/) {
                   1594: 	    $URLback=$1;
                   1595: 	    $URLback=~s|^/~|/priv/|;
                   1596: 	}
1.276     sakharuk 1597:     }
1.375     foxr     1598:     # logic for now is too complex to trace if this has been defined
                   1599:     #  yet.
                   1600:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1601:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.257     sakharuk 1602:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1603:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1604:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1605: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1606:                             'cgi.'.$identifier.'.selection' => $selectionmade,
1.375     foxr     1607: 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1608: 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   1609: 			    'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
                   1610:                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   1611:                             'cgi.'.$identifier.'.studentnames' => $student_names,
                   1612:                             'cgi.'.$identifier.'.backref' => $URLback,);
                   1613:     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
                   1614: 			    "cgi.$identifier.domain"  => $env{'user.domain'},
                   1615: 			    "cgi.$identifier.courseid" => $cnum, 
                   1616: 			    "cgi.$identifier.coursedom" => $cdom, 
                   1617: 			    "cgi.$identifier.resources" => $resources_printed);
                   1618: 
1.140     sakharuk 1619: $r->print(<<FINALEND);
1.317     albertel 1620: <br />
1.288     albertel 1621: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1622: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.140     sakharuk 1623: </body>
                   1624: </html>
                   1625: FINALEND
                   1626: }
                   1627: 
1.288     albertel 1628: 
                   1629: sub get_CODE {
1.381     albertel 1630:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 1631:     my $max='1'.'0'x$size;
                   1632:     my $newcode;
                   1633:     while(1) {
1.293     albertel 1634: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1635: 	if (!exists($$all_codes{$newcode})) {
                   1636: 	    $$all_codes{$newcode}=1;
1.381     albertel 1637: 	    if ($type eq 'number' ) {
                   1638: 		return $newcode;
                   1639: 	    } else {
                   1640: 		return &num_to_letters($newcode);
                   1641: 	    }
1.288     albertel 1642: 	}
                   1643:     }
                   1644: }
1.140     sakharuk 1645: 
1.284     albertel 1646: sub print_resources {
1.360     albertel 1647:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
                   1648: 	$LaTeXwidth)=@_;
1.284     albertel 1649:     my $current_output = ''; 
1.375     foxr     1650:     my $printed = '';
1.284     albertel 1651:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1652:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1653:     my $namepostfix;
1.288     albertel 1654:     if ($person =~ 'anon') {
1.323     sakharuk 1655: 	$namepostfix="\\\\Name: ";
1.288     albertel 1656: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1657:     }
1.350     foxr     1658:     my $i           = 0;
1.284     albertel 1659:     #goes through all resources, checks if they are available for 
                   1660:     #current student, and produces output   
                   1661:     &Apache::lonnet::delenv('form.counter');
                   1662:     &Apache::lonxml::init_counter();
1.363     foxr     1663: 
1.364     albertel 1664:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1665: 
1.284     albertel 1666:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1667: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1668: 	    if($i != 0) {
                   1669: 		$current_output.= "\\newpage\n";
                   1670: 	    }
                   1671: 	}
                   1672: 	$i++;
1.284     albertel 1673: 	if ( !($type eq 'problems' && 
                   1674: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1675: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1676: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1677: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1678: 		    $printed .= $curresline.':';
1.373     albertel 1679: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 1680: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1681: 		    my $envfile=$env{'user.environment'};
1.305     sakharuk 1682: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1683: 		    $envfile=$1;
                   1684: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1685: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1686: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1687: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1688: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   1689: 			my %answerenv = %{$moreenv};
                   1690: 			$answerenv{'answer_output_mode'}='tex';
                   1691: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1692: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.305     sakharuk 1693: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1694: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1695: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1696: 			} else {
                   1697: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1698: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1699: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1700: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1701: 			}
                   1702: 		    }
                   1703: 		    if ($remove_latex_header eq 'YES') {
                   1704: 			$rendered = &latex_header_footer_remove($rendered);
                   1705: 		    } else {
                   1706: 			$rendered =~ s/\\end{document}//;
                   1707: 		    }
                   1708: 		    $current_output .= $rendered;		    
                   1709: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     1710: 		    $printed .= $curresline.':';
1.373     albertel 1711: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 1712: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1713: 		    my $envfile=$env{'user.environment'};
1.305     sakharuk 1714: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1715: 		    $envfile=$1;
                   1716: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1717: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1718: 		    if ($remove_latex_header eq 'YES') {
                   1719: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1720: 		    } else {
1.305     sakharuk 1721: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1722: 		    }
1.305     sakharuk 1723: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1724: 		} else {
1.307     sakharuk 1725: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1726: 		    if ($remove_latex_header ne 'NO') {
                   1727: 			$rendered = &latex_header_footer_remove($rendered);
                   1728: 		    } else {
                   1729: 			$rendered =~ s/\\end{document}//;
                   1730: 		    }
                   1731: 		    $current_output .= $rendered;
1.284     albertel 1732: 		}
                   1733: 	    }
                   1734: 	    $remove_latex_header = 'YES';
                   1735: 	}
1.331     albertel 1736: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1737:     }
                   1738:     my $courseidinfo = &get_course();
                   1739:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1740:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1741:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1742:     if ($current_output=~/\\documentclass/) {
1.334     albertel 1743: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1.284     albertel 1744:     } else {
                   1745: 	my $blankpages = '';
                   1746: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.334     albertel 1747: 	$current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$fullname.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$currentassignment.'}'.$namepostfix.'}} \vskip 5 mm '.$current_output;
1.284     albertel 1748:     }
1.375     foxr     1749:     return ($current_output,$fullname, $printed);
1.284     albertel 1750: 
                   1751: }
1.140     sakharuk 1752: 
1.3       sakharuk 1753: sub handler {
                   1754: 
                   1755:     my $r = shift;
1.131     bowersj2 1756:     my $helper;
1.114     bowersj2 1757: 
1.150     sakharuk 1758: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1759: #    if ($loaderror) { return $loaderror; }
                   1760: #    $loaderror=
                   1761: #       &Apache::lonnet::overloaderror($r,
1.373     albertel 1762: #         $env{'course.'.$env{'request.course.id'}.'.home'});
1.150     sakharuk 1763: #    if ($loaderror) { return $loaderror; }
1.67      www      1764: 
1.177     sakharuk 1765:     my $result = printHelper($r);
                   1766:     if (!ref($result)) {
                   1767: 	return $result;
1.60      sakharuk 1768:     }
1.177     sakharuk 1769:     $helper = $result;
                   1770:    
                   1771: #	my $key; 
                   1772: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1773: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1774: #	}
1.373     albertel 1775: #	foreach $key (keys %env) {
                   1776: #	    $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1.264     sakharuk 1777: #	}
1.177     sakharuk 1778: #	return OK;
1.184     sakharuk 1779: 
1.373     albertel 1780:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     1781:  
1.207     sakharuk 1782: #	my $key; 
1.200     sakharuk 1783: #	foreach $key (keys %parmhash) {
                   1784: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1785: #	}
1.353     foxr     1786: #
1.350     foxr     1787: 
                   1788: 
1.367     foxr     1789:     #  If a figure conversion queue file exists for this user.domain
                   1790:     # we delete it since it can only be bad (if it were good, printout.pl
                   1791:     # would have deleted it the last time around.
                   1792: 
1.373     albertel 1793:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     1794:     if(-e $conversion_queuefile) {
                   1795: 	unlink $conversion_queuefile;
                   1796:     }
1.184     sakharuk 1797:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1798:     return OK;
1.60      sakharuk 1799: } 
1.2       sakharuk 1800: 
1.131     bowersj2 1801: use Apache::lonhelper;
1.130     sakharuk 1802: 
1.223     bowersj2 1803: sub addMessage {
                   1804:     my $text = shift;
                   1805:     my $paramHash = Apache::lonhelper::getParamHash();
                   1806:     $paramHash->{MESSAGE_TEXT} = $text;
                   1807:     Apache::lonhelper::message->new();
                   1808: }
                   1809: 
1.238     bowersj2 1810: use Data::Dumper;
                   1811: 
1.131     bowersj2 1812: sub printHelper {
1.115     bowersj2 1813:     my $r = shift;
                   1814: 
                   1815:     if ($r->header_only) {
1.373     albertel 1816:         if ($env{'browser.mathml'}) {
1.241     www      1817:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1818:         } else {
1.241     www      1819:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1820:         }
                   1821:         $r->send_http_header;
                   1822:         return OK;
1.115     bowersj2 1823:     }
                   1824: 
1.131     bowersj2 1825:     # Send header, nocache
1.373     albertel 1826:     if ($env{'browser.mathml'}) {
1.241     www      1827:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1828:     } else {
1.241     www      1829:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1830:     }
                   1831:     &Apache::loncommon::no_cache($r);
                   1832:     $r->send_http_header;
                   1833:     $r->rflush();
                   1834: 
1.131     bowersj2 1835:     # Unfortunately, this helper is so complicated we have to
                   1836:     # write it by hand
                   1837: 
                   1838:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1839:     
1.176     bowersj2 1840:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1841:     $helper->declareVar('symb');
1.156     bowersj2 1842:     $helper->declareVar('postdata');    
1.290     sakharuk 1843:     $helper->declareVar('curseed'); 
                   1844:     $helper->declareVar('probstatus');   
1.156     bowersj2 1845:     $helper->declareVar('filename');
                   1846:     $helper->declareVar('construction');
1.178     sakharuk 1847:     $helper->declareVar('assignment');
1.262     sakharuk 1848:     $helper->declareVar('style_file');
1.340     foxr     1849:     $helper->declareVar('student_sort');
1.363     foxr     1850:     $helper->declareVar('FINISHPAGE');
1.366     foxr     1851:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     1852:     $helper->declareVar("showallfoils");
1.363     foxr     1853: 
                   1854:     #  The page breaks can get loaded initially from the course environment:
1.366     foxr     1855: 
1.373     albertel 1856:     if((!defined($env{"form.CURRENT_STATE"}))  ||
                   1857:        ($env{'form.CURRENT_STATE'} == "START")) {
1.366     foxr     1858: 	$helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
                   1859:     }
                   1860: 
                   1861: 
1.363     foxr     1862:     
                   1863:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     1864: 						{'pagebreaks'  => 'scalar',
                   1865: 					         'lastprinttype' => 'scalar'});
1.363     foxr     1866: 
1.366     foxr     1867:     
1.373     albertel 1868:     if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
                   1869: 	$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.366     foxr     1870:     }
                   1871:     
1.131     bowersj2 1872:     
                   1873:     # This will persistently load in the data we want from the
                   1874:     # very first screen.
1.156     bowersj2 1875:     # Detect whether we're coming from construction space
1.373     albertel 1876:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1877:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1878:         $helper->{VARS}->{'construction'} = 1;
                   1879:     } else {
1.373     albertel 1880:         if ($env{'form.postdata'}) {
                   1881:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.156     bowersj2 1882:         }
1.373     albertel 1883:         if ($env{'form.symb'}) {
                   1884:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 1885:         }
1.373     albertel 1886:         if ($env{'form.url'}) {
1.156     bowersj2 1887:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1888:         }
1.157     bowersj2 1889:     }
1.156     bowersj2 1890: 
1.373     albertel 1891:     if ($env{'form.symb'}) {
                   1892:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 1893:     }
1.373     albertel 1894:     if ($env{'form.url'}) {
1.140     sakharuk 1895:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1896: 
1.140     sakharuk 1897:     }
1.343     albertel 1898:     $helper->{VARS}->{'symb'}=
                   1899: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 1900:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 1901:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1902: 
1.156     bowersj2 1903:     
1.146     bowersj2 1904:     # Extract map
                   1905:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1906:     my ($map, $id, $url);
                   1907:     my $subdir;
                   1908: 
                   1909:     # Get the resource name from construction space
                   1910:     if ($helper->{VARS}->{'construction'}) {
                   1911:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1912:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1913:         $subdir = substr($helper->{VARS}->{'filename'},
                   1914:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1915:     } else {
1.233     www      1916:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 1917:         $helper->{VARS}->{'postdata'} = 
                   1918: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 1919: 
1.156     bowersj2 1920:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1921:             my $postdata = $helper->{VARS}->{'postdata'};
                   1922:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1923:         }
                   1924:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1925:     }
1.373     albertel 1926:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   1927: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 1928:     }
1.373     albertel 1929:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   1930: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1.290     sakharuk 1931:     }
1.115     bowersj2 1932: 
1.192     bowersj2 1933:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.373     albertel 1934:     my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
                   1935: 			   $env{'request.role'}=~m/^in\./ or
                   1936: 			   $env{'request.role'}=~m/^ta\./);
1.192     bowersj2 1937: 
1.131     bowersj2 1938:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1939: 
1.131     bowersj2 1940:     # "Delete everything after the last slash."
1.119     bowersj2 1941:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1942:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1943: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1944:     }
1.189     bowersj2 1945:     # "Remove all duplicate slashes."
                   1946:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1947: 
1.131     bowersj2 1948:     # What can be printed is a very dynamic decision based on
                   1949:     # lots of factors. So we need to dynamically build this list.
                   1950:     # To prevent security leaks, states are only added to the wizard
                   1951:     # if they can be reached, which ensures manipulating the form input
                   1952:     # won't allow anyone to reach states they shouldn't have permission
                   1953:     # to reach.
                   1954: 
                   1955:     # printChoices is tracking the kind of printing the user can
                   1956:     # do, and will be used in a choices construction later.
                   1957:     # In the meantime we will be adding states and elements to
                   1958:     # the helper by hand.
                   1959:     my $printChoices = [];
                   1960:     my $paramHash;
1.130     sakharuk 1961: 
1.240     albertel 1962:     if ($resourceTitle) {
1.291     sakharuk 1963:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1964:     }
                   1965: 
1.238     bowersj2 1966:     # Useful filter strings
1.287     albertel 1967:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1968:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1969:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1970:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1971:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1972:     my $isMap = '$res->is_map()';
1.342     albertel 1973:     my $symbFilter = '$res->shown_symb()';
                   1974:     my $urlValue = '$res->link()';
1.238     bowersj2 1975: 
                   1976:     $helper->declareVar('SEQUENCE');
                   1977: 
                   1978:     # Useful for debugging: Dump the help vars
1.366     foxr     1979: #    $r->print(Dumper($helper->{VARS}));
                   1980: #    $r->print($map);
1.238     bowersj2 1981: 
1.131     bowersj2 1982:     # If we're in a sequence...
1.235     bowersj2 1983:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     1984: 
1.243     bowersj2 1985: 	$helper->{VARS}->{'postdata'} &&
                   1986: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1987:         # Allow problems from sequence
1.291     sakharuk 1988:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1989:         # Allow all resources from sequence
1.291     sakharuk 1990:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1991: 
1.131     bowersj2 1992:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1993:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1994:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1995:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1996:               closeallpages="1">
1.144     bowersj2 1997:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1998:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1999:       <mapurl>$map</mapurl>
1.238     bowersj2 2000:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2001:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 2002:       </resource>
                   2003:     </state>
                   2004: 
1.155     sakharuk 2005:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   2006:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2007:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2008:               closeallpages="1">
1.144     bowersj2 2009:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 2010:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2011:       <mapurl>$map</mapurl>
1.238     bowersj2 2012:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2013:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 2014:       </resource>
                   2015:     </state>
                   2016: HELPERFRAGMENT
1.121     bowersj2 2017: 
1.326     sakharuk 2018: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2019:     }
                   2020: 
1.354     foxr     2021:     # If the user is privileged, allow them to print all 
                   2022:     # problems and resources  in the entier course, optionally for selected students
1.306     sakharuk 2023:     if ($userPriviledged && 
                   2024:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     2025: 
1.254     sakharuk 2026:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     2027: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 2028:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2029:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   2030:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 2031:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2032: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2033:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2034:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2035:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2036:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2037:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 2038:     </resource>
                   2039:   </state>
1.354     foxr     2040:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2041:     <message>(Mark them then click "next" button) <br /> </message>
                   2042:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2043:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2044:       <nextstate>PAGESIZE</nextstate>
                   2045:       <filterfunc>return $isNotMap; </filterfunc>
                   2046:       <valuefunc>return $symbFilter;</valuefunc>
                   2047:       <option text='NewPage' variable='FINISHPAGE' />
                   2048:     </resource>
                   2049:   </state>
1.284     albertel 2050: ALL_PROBLEMS
1.132     bowersj2 2051: 
1.284     albertel 2052: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2053: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'problems_for_students', 'CHOOSE_STUDENTS'];
                   2054: 	    push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 2055: 	}
                   2056: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   2057:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2058:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2059:               closeallpages="1">
1.254     sakharuk 2060:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2061:       <mapurl>$map</mapurl>
1.254     sakharuk 2062:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2063:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 2064:       </resource>
1.155     sakharuk 2065:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2066:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2067:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2068:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2069:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2070:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2071:     </choices>
                   2072:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   2073:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   2074: RESOURCE_SELECTOR
                   2075: 
                   2076:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2077:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.370     foxr     2078:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
1.352     foxr     2079:       <message><b>Select sort order</b> </message>
1.340     foxr     2080:     <choices variable='student_sort'>
                   2081:       <choice computer='0'>Sort by section then student</choice>
                   2082:       <choice computer='1'>Sort by students across sections.</choice>
                   2083:     </choices>
1.284     albertel 2084:     $resource_selector
                   2085:   </state>
1.131     bowersj2 2086: CHOOSE_STUDENTS
1.292     albertel 2087: 
1.373     albertel 2088: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2089: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2090:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2091: 	my $namechoice='<choice></choice>';
1.337     albertel 2092: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2093: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2094: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2095: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2096: 	}
1.389     foxr     2097: 
                   2098: 
1.388     foxr     2099:         my %all_codes = &Apache::lonnet::get('CODEs',
                   2100: 					     \@names, $cdom,$cnum);
1.389     foxr     2101: 	my %code_values;
1.388     foxr     2102: 	my @all_code_array;
                   2103: 	foreach my $key (keys %all_codes) {
1.389     foxr     2104: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
                   2105: 	    foreach my $key (keys %code_values) {
                   2106: 		push (@all_code_array, "$key");
1.388     foxr     2107: 	    }
                   2108: 	}
1.389     foxr     2109: 
1.388     foxr     2110: 	my $code_selection = "<choice></choice>\n";
1.389     foxr     2111: 	foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
                   2112: 	    my $choice  = $code;
                   2113: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2114: 		$choice = &letters_to_num($code);
                   2115: 	    }
                   2116: 	    $code_selection .= '   <choice computer="'.$choice.'">'.$code."</choice>\n";
1.388     foxr     2117: 	}
1.381     albertel 2118: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2119: 	my $codechoice='';
                   2120: 	foreach my $line (<FH>) {
                   2121: 	    my ($name,$description,$code_type,$code_length)=
                   2122: 		(split(/:/,$line))[0,1,2,4];
                   2123: 	    if ($code_length > 0 && 
                   2124: 		$code_type =~/^(letter|number|-1)/) {
                   2125: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2126: 	    }
                   2127: 	}
                   2128: 	if ($codechoice eq '') {
                   2129: 	    $codechoice='<choice computer="default">Default</choice>';
                   2130: 	}
1.284     albertel 2131:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   2132:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 2133:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 2134:     <message><hr width='33%' /></message>
                   2135:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   2136:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2137:        <validator>
                   2138: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2139: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2140:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   2141: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2142: 	    return "You need to specify the number of assignments to print";
                   2143: 	}
                   2144: 	return undef;
                   2145:        </validator>
                   2146:     </string>
                   2147:     <message></td></tr><tr><td></message>
1.382     foxr     2148:     <message><b>Value of CODE to print?</b></td><td></message>
                   2149:     <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
                   2150:         <validator>
                   2151: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2152: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2153: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     2154: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2155: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2156: 	   } else {
                   2157: 	       return undef;	# Other forces control us.
                   2158: 	   }
                   2159:         </validator>
                   2160:     </string>
                   2161:     <message></td></tr><tr><td></message>
1.388     foxr     2162:     <message><b>Choose single code from list</b></message>
                   2163:     <message></td><td></message>
                   2164:     <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   2165:     $code_selection
                   2166:     </dropdown>
                   2167:     <message></td></tr><tr><td></message>
1.362     albertel 2168:     <message><b>Names to store the CODEs under for later:</b></message>
                   2169:     <message></td><td></message>
1.288     albertel 2170:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.381     albertel 2171:     <message></td></tr><tr><td></message>
                   2172:     <message><b>Bubble sheet type:</b></message>
                   2173:     <message></td><td></message>
                   2174:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2175:     $codechoice
                   2176:     </dropdown>
1.362     albertel 2177:     <message></td></tr></table></message>
1.292     albertel 2178:     <message><hr width='33%' /></message>
                   2179:     <message><b>Reprint a set of saved CODEs:</b></message>
                   2180:     <dropdown variable="REUSE_OLD_CODES">
                   2181:         $namechoice
                   2182:     </dropdown>
1.284     albertel 2183:     <message><hr width='33%' /></message>
                   2184:     $resource_selector
                   2185:   </state>
                   2186: CHOOSE_ANON1
1.254     sakharuk 2187: 
1.272     sakharuk 2188: 
1.254     sakharuk 2189: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2190: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('selected students')."</b>", 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   2191: 	    push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('from')." <b><i>$sequenceTitle</i></b> ".&mt('for')." <b>".&mt('anonymous students')."</b>", 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 2192: 	}
1.284     albertel 2193: 	    
                   2194: 
                   2195: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 2196:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2197:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2198:               closeallpages="1">
1.254     sakharuk 2199:       <filterfunc>return $isNotMap;</filterfunc>
                   2200:       <mapurl>$map</mapurl>
                   2201:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2202:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 2203:       </resource>
                   2204:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2205:     <choices variable="EMPTY_PAGES">
                   2206:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2207:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2208:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2209:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2210:     </choices>
                   2211:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   2212:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   2213: RESOURCE_SELECTOR
                   2214: 
                   2215: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2216:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.370     foxr     2217:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
1.340     foxr     2218:     <choices variable='student_sort'>
                   2219:       <choice computer='0'>Sort by section then student</choice>
                   2220:       <choice computer='1'>Sort by students across sections.</choice>
                   2221:     </choices>
                   2222: 
1.284     albertel 2223:     $resource_selector
1.254     sakharuk 2224:     </state>
                   2225: CHOOSE_STUDENTS1
                   2226: 
1.284     albertel 2227: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   2228:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 2229:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 2230:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   2231:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2232:        <validator>
                   2233: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     2234: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2235: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   2236: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2237: 	    return "You need to specify the number of assignments to print";
                   2238: 	}
                   2239: 	return undef;
                   2240:        </validator>
                   2241:     </string>
                   2242:     <message></td></tr><tr><td></message>
1.386     foxr     2243:     <message><b>Value of CODE to print?</b></td><td></message>
                   2244:     <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
                   2245:         <validator>
                   2246: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2247: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2248: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     2249: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2250: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2251: 	   } else {
                   2252: 	       return undef;	# Other forces control us.
                   2253: 	   }
                   2254:         </validator>
                   2255:     </string>
                   2256:     <message></td></tr><tr><td></message>
1.388     foxr     2257:     <message><b>Choose single code from list</b></message>
                   2258:     <message></td><td></message>
                   2259:     <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   2260:     $code_selection
                   2261:     </dropdown>
                   2262:     <message></td></tr><tr><td></message>
1.362     albertel 2263:     <message><b>Names to store the CODEs under for later:</b></message>
                   2264:     <message></td><td></message>
1.294     albertel 2265:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.381     albertel 2266:     <message></td></tr><tr><td></message>
                   2267:     <message><b>Bubble sheet type:</b></message>
                   2268:     <message></td><td></message>
                   2269:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2270:     $codechoice
                   2271:     </dropdown>
1.362     albertel 2272:     <message></td></tr></table></message>
1.294     albertel 2273:     <message><hr width='33%' /></message>
                   2274:     <message><b>Reprint a set of saved CODEs:</b></message>
                   2275:     <dropdown variable="REUSE_OLD_CODES">
                   2276:         $namechoice
                   2277:     </dropdown>
1.284     albertel 2278:     <message><hr width='33%' /></message>
                   2279:     $resource_selector
                   2280:   </state>
                   2281: CHOOSE_ANON2
1.121     bowersj2 2282:     }
                   2283: 
                   2284:     # FIXME: That RE should come from a library somewhere.
1.373     albertel 2285:     if ((((&Apache::lonnet::allowed('bre',$subdir) eq 'F') and ($helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)) or defined $helper->{'VARS'}->{'construction'}) and $env{'request.role.adv'} and $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 2286:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2287: 
1.131     bowersj2 2288:         my $f = '$filename';
1.139     bowersj2 2289:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2290:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   2291:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 2292:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2293:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2294:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2295: CHOOSE_FROM_SUBDIR
                   2296:         
1.238     bowersj2 2297:         # this is broken up because I really want interpolation above,
                   2298:         # and I really DON'T want it below
1.139     bowersj2 2299:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2300:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2301: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2302:       </filefilter>
1.138     bowersj2 2303:       </files>
1.131     bowersj2 2304:     </state>
                   2305: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2306:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2307:     }
1.238     bowersj2 2308: 
                   2309:     # Allow the user to select any sequence in the course, feed it to
                   2310:     # another resource selector for that sequence
1.239     bowersj2 2311:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 2312: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 2313: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2314: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2315: 	#Escape apostrophes and backslashes for Perl
                   2316: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2317: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2318: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2319:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2320:     <message>Select the sequence to print resources from:</message>
                   2321:     <resource variable="SEQUENCE">
                   2322:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2323:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2324:       <valuefunc>return $urlValue;</valuefunc>
1.391   ! foxr     2325:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
        !          2326: 	</choicefunc>
1.350     foxr     2327:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2328:       </resource>
                   2329:     </state>
                   2330:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2331:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2332:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2333:               closeallpages="1">
1.238     bowersj2 2334:       <nextstate>PAGESIZE</nextstate>
                   2335:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2336:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2337:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2338:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2339:       </resource>
                   2340:     </state>
                   2341: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2342: }
1.131     bowersj2 2343: 
                   2344:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2345:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2346:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2347:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2348:     Apache::lonhelper::message->new();
                   2349:     $paramHash = Apache::lonhelper::getParamHash();
                   2350:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2351:     $paramHash->{CHOICES} = $printChoices;
                   2352:     Apache::lonhelper::choices->new();
1.161     bowersj2 2353: 
1.223     bowersj2 2354:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2355:                           # to close it later)
                   2356: 
1.373     albertel 2357:     if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 2358: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2359: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2360:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2361: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2362: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2363:         $paramHash->{CHOICES} = [
1.242     sakharuk 2364:                                    ['Without Answers', 'yes'],
                   2365:                                    ['With Answers', 'no'],
1.368     albertel 2366:                                    ['Only Answers', 'only']
1.289     sakharuk 2367:                                 ];
1.210     sakharuk 2368:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2369: 	addMessage("</td></tr>");
                   2370: 	$startedTable = 1;
1.161     bowersj2 2371:     }
1.209     sakharuk 2372: 
1.373     albertel 2373:     if ($env{'request.role.adv'}) {
1.223     bowersj2 2374: 	if (!$startedTable) {
                   2375: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2376: 	    $startedTable = 1;
                   2377: 	} else {
                   2378: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2379: 	}
1.203     sakharuk 2380:         $paramHash = Apache::lonhelper::getParamHash();
                   2381: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2382: 	$helper->declareVar('LATEX_TYPE');  
                   2383: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2384: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2385: 				     ['standard LaTeX mode', 'standard'], 
                   2386: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2387: 	} else {
                   2388: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2389: 				     ['LaTeX batchmode', 'batchmode'],
                   2390: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2391: 	}
1.210     sakharuk 2392:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2393:  
1.223     bowersj2 2394: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2395:         $paramHash = Apache::lonhelper::getParamHash();
                   2396: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2397: 	$helper->declareVar('TABLE_CONTENTS');         
                   2398:         $paramHash->{CHOICES} = [
1.223     bowersj2 2399:                                    ['No', 'no'],
                   2400:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2401:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2402: 	addMessage("</td></tr>");
1.214     sakharuk 2403:         
1.220     sakharuk 2404: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2405: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2406: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2407: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2408: 	    $helper->declareVar('TABLE_INDEX');         
                   2409: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2410: 				     ['No', 'no'],
                   2411: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2412: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2413: 	    addMessage("</td></tr>");
1.309     sakharuk 2414: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2415: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2416: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2417: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2418: 	    $paramHash->{CHOICES} = [
                   2419: 				     ['No', 'no'],
                   2420: 				     ['Yes', 'yes'] ];
                   2421: 	    Apache::lonhelper::dropdown->new();
                   2422: 	    addMessage("</td></tr>");
1.372     foxr     2423: 
                   2424:             #  If advanced roles, then allow to show all foils.
                   2425: 
1.374     albertel 2426:             if ($env{'request.role.adv'}) {
1.372     foxr     2427: 		addMessage("<tr><td align = 'right'>  </td><td>");
                   2428: 		$paramHash = Apache::lonhelper::getParamHash();
                   2429: 		$paramHash->{'multichoice'} = "true";
                   2430: 		$paramHash->{'allowempty'}  = "true";
                   2431: 		$paramHash->{'variable'}   = "showallfoils";
                   2432: 		$paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   2433: 		Apache::lonhelper::choices->new();
                   2434: 		addMessage("</td></tr>");
                   2435:             }
                   2436: 
1.220     sakharuk 2437: 	}
1.219     sakharuk 2438: 
1.230     albertel 2439: 	if ($helper->{'VARS'}->{'construction'}) { 
1.373     albertel 2440: 	    my $stylevalue=$env{'construct.style'};
1.265     sakharuk 2441: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2442: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2443: 	    <string variable="curseed" size="15" maxlength="15">
                   2444: 		<defaultvalue>
                   2445: 	            return $helper->{VARS}->{'curseed'};
                   2446: 	        </defaultvalue>
1.262     sakharuk 2447: 	    </string>
1.264     sakharuk 2448: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.378     albertel 2449:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
1.371     foxr     2450: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2451:                 <choice computer="1">Show all foils?</choice>
                   2452:              </choices>
1.378     albertel 2453: 	     <message></td></tr></message>
1.230     albertel 2454: RNDSEED
                   2455:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.373     albertel 2456: 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
1.371     foxr     2457: 	    
1.372     foxr     2458: 	} 
                   2459: 
1.223     bowersj2 2460:     }
1.264     sakharuk 2461: 
                   2462: 
                   2463: 
1.218     sakharuk 2464: 
1.223     bowersj2 2465:     if ($startedTable) {
                   2466: 	addMessage("</table>");
1.215     sakharuk 2467:     }
1.161     bowersj2 2468: 
1.131     bowersj2 2469:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2470: 
1.144     bowersj2 2471:     # Generate the PAGESIZE state which will offer the user the margin
                   2472:     # choices if they select one column
                   2473:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2474:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2475: 
                   2476: 
1.131     bowersj2 2477:     $helper->process();
                   2478: 
                   2479:     # MANUAL BAILOUT CONDITION:
                   2480:     # If we're in the "final" state, bailout and return to handler
                   2481:     if ($helper->{STATE} eq 'FINAL') {
                   2482:         return $helper;
                   2483:     }    
1.130     sakharuk 2484: 
1.131     bowersj2 2485:     $r->print($helper->display());
1.130     sakharuk 2486: 
1.333     albertel 2487:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2488: 
                   2489:     return OK;
                   2490: }
                   2491: 
1.1       www      2492: 
                   2493: 1;
1.119     bowersj2 2494: 
                   2495: package Apache::lonprintout::page_format_state;
                   2496: 
                   2497: =pod
                   2498: 
1.131     bowersj2 2499: =head1 Helper element: page_format_state
                   2500: 
                   2501: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2502: 
1.131     bowersj2 2503: Apache::lonprintout::page_format_state is an element that gives the 
                   2504: user an opportunity to select the page layout they wish to print 
                   2505: with: Number of columns, portrait/landscape, and paper size. If you 
                   2506: want to change the paper size choices, change the @paperSize array 
                   2507: contents in this package.
1.119     bowersj2 2508: 
1.131     bowersj2 2509: page_format_state is always directly invoked in lonprintout.pm, so there
                   2510: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2511: 
                   2512: =over 4
                   2513: 
1.131     bowersj2 2514: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2515: 
                   2516: =back
                   2517: 
                   2518: =cut
                   2519: 
1.131     bowersj2 2520: use Apache::lonhelper;
1.119     bowersj2 2521: 
                   2522: no strict;
1.131     bowersj2 2523: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2524: use strict;
1.266     sakharuk 2525: use Apache::lonlocal;
1.373     albertel 2526: use Apache::lonnet;
1.119     bowersj2 2527: 
                   2528: my $maxColumns = 2;
1.376     albertel 2529: # it'd be nice if these all worked
                   2530: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   2531: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   2532: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2533: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 2534: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 2535: 		 "a4 [210x297 mm]");
1.119     bowersj2 2536: 
                   2537: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2538: #                   Paper type
                   2539: 
                   2540: sub new { 
1.131     bowersj2 2541:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2542: 
1.135     bowersj2 2543:     shift;
                   2544: 
1.131     bowersj2 2545:     $self->{'variable'} = shift;
1.134     bowersj2 2546:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2547:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2548:     bless($self);
1.119     bowersj2 2549:     return $self;
                   2550: }
                   2551: 
                   2552: sub render {
                   2553:     my $self = shift;
1.131     bowersj2 2554:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2555:     my $result = '';
1.131     bowersj2 2556:     my $var = $self->{'variable'};
1.266     sakharuk 2557:     my $PageLayout=&mt('Page layout');
                   2558:     my $NumberOfColumns=&mt('Number of columns');
                   2559:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2560:     $result .= <<STATEHTML;
                   2561: 
1.223     bowersj2 2562: <hr width="33%" />
1.119     bowersj2 2563: <table cellpadding="3">
                   2564:   <tr>
1.266     sakharuk 2565:     <td align="center"><b>$PageLayout</b></td>
                   2566:     <td align="center"><b>$NumberOfColumns</b></td>
                   2567:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2568:   </tr>
                   2569:   <tr>
                   2570:     <td>
1.376     albertel 2571:       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
                   2572:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
1.119     bowersj2 2573:     </td>
1.155     sakharuk 2574:     <td align="center">
1.119     bowersj2 2575:       <select name="${var}.cols">
                   2576: STATEHTML
                   2577: 
                   2578:     my $i;
                   2579:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2580:         if ($i == 2) {
1.119     bowersj2 2581:             $result .= "<option value='$i' selected>$i</option>\n";
                   2582:         } else {
                   2583:             $result .= "<option value='$i'>$i</option>\n";
                   2584:         }
                   2585:     }
                   2586: 
                   2587:     $result .= "</select></td><td>\n";
                   2588:     $result .= "<select name='${var}.paper'>\n";
                   2589: 
1.373     albertel 2590:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.304     sakharuk 2591:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   2592:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2593:     $i = 0;
                   2594:     foreach (@paperSize) {
1.326     sakharuk 2595: 	$_=~/(\w+)/;
                   2596: 	my $papersize=$1;
1.304     sakharuk 2597:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2598:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2599:         } else {
1.326     sakharuk 2600:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2601:         }
                   2602:         $i++;
                   2603:     }
                   2604:     $result .= "</select></td></tr></table>";
                   2605:     return $result;
1.135     bowersj2 2606: }
                   2607: 
                   2608: sub postprocess {
                   2609:     my $self = shift;
                   2610: 
                   2611:     my $var = $self->{'variable'};
1.136     bowersj2 2612:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2613:     $helper->{VARS}->{$var} = 
1.373     albertel 2614:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   2615:         $env{"form.$var.paper"};
1.135     bowersj2 2616:     return 1;
1.119     bowersj2 2617: }
                   2618: 
                   2619: 1;
1.144     bowersj2 2620: 
                   2621: package Apache::lonprintout::page_size_state;
                   2622: 
                   2623: =pod
                   2624: 
                   2625: =head1 Helper element: page_size_state
                   2626: 
                   2627: See lonhelper.pm documentation for discussion of the helper framework.
                   2628: 
                   2629: Apache::lonprintout::page_size_state is an element that gives the 
                   2630: user the opportunity to further refine the page settings if they
                   2631: select a single-column page.
                   2632: 
                   2633: page_size_state is always directly invoked in lonprintout.pm, so there
                   2634: is no tag interface. You actually pass parameters to the constructor.
                   2635: 
                   2636: =over 4
                   2637: 
                   2638: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2639: 
                   2640: =back
                   2641: 
                   2642: =cut
                   2643: 
                   2644: use Apache::lonhelper;
1.373     albertel 2645: use Apache::lonnet;
1.144     bowersj2 2646: no strict;
                   2647: @ISA = ("Apache::lonhelper::element");
                   2648: use strict;
                   2649: 
                   2650: 
                   2651: 
                   2652: sub new { 
                   2653:     my $self = Apache::lonhelper::element->new();
                   2654: 
                   2655:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2656:            # package descriptor)... - Jeremy
                   2657: 
                   2658:     $self->{'variable'} = shift;
                   2659:     my $helper = Apache::lonhelper::getHelper();
                   2660:     $helper->declareVar($self->{'variable'});
                   2661: 
                   2662:     # The variable name of the format element, so we can look into 
                   2663:     # $helper->{VARS} to figure out whether the columns are one or two
                   2664:     $self->{'formatvar'} = shift;
                   2665: 
                   2666:     # The state to transition to after selection, or after discovering
                   2667:     # the cols are not set to 1
                   2668:     $self->{NEXTSTATE} = shift;
                   2669:     bless($self);
                   2670:     return $self;
                   2671: }
                   2672: 
                   2673: sub render {
                   2674:     my $self = shift;
                   2675:     my $helper = Apache::lonhelper::getHelper();
                   2676:     my $result = '';
                   2677:     my $var = $self->{'variable'};
                   2678: 
                   2679:     if (defined $self->{ERROR_MSG}) {
                   2680:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2681:     }
                   2682: 
                   2683:     $result .= <<ELEMENTHTML;
                   2684: 
                   2685: <p>How should the column be formatted?</p>
                   2686: 
                   2687: <table cellpadding='3'>
                   2688:   <tr>
                   2689:     <td align='right'><b>Width</b>:</td>
                   2690:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2691:     <td align='left'>
                   2692:       <select name='$var.widthunit'>
                   2693:         <option>cm</option><option>in</option>
                   2694:       </select>
                   2695:     </td>
                   2696:   </tr>
                   2697:   <tr>
                   2698:     <td align='right'><b>Height</b>:</td>
                   2699:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2700:     <td align='left'>
                   2701:       <select name='$var.heightunit'>
                   2702:         <option>cm</option><option>in</option>
                   2703:       </select>
                   2704:     </td>
                   2705:   </tr>
                   2706:   <tr>
                   2707:     <td align='right'><b>Left margin</b>:</td>
                   2708:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2709:     <td align='left'>
1.186     bowersj2 2710:       <select name='$var.lmarginunit'>
1.144     bowersj2 2711:         <option>cm</option><option>in</option>
                   2712:       </select>
                   2713:     </td>
                   2714:   </tr>
                   2715: </table>
                   2716: 
                   2717: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2718: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2719: 
                   2720: ELEMENTHTML
                   2721: 
                   2722:     return $result;
                   2723: }
                   2724: 
                   2725: # If the user didn't select 1 column, skip this state.
                   2726: sub preprocess {
                   2727:     my $self = shift;
                   2728:     my $helper = Apache::lonhelper::getHelper();
                   2729: 
                   2730:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2731:     if (substr($format, 2, 1) ne '1') {
                   2732:         $helper->changeState($self->{NEXTSTATE});
                   2733:     }
                   2734:    
                   2735:     return 1;
                   2736: }
                   2737: 
                   2738: sub postprocess {
                   2739:     my $self = shift;
                   2740: 
                   2741:     my $var = $self->{'variable'};
                   2742:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 2743:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   2744:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   2745:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   2746:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   2747:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   2748:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 2749: 
                   2750:     my $error = '';
                   2751: 
                   2752:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2753:     # by an optional period, followed by digits, ending the string
                   2754: 
                   2755:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2756:         $error .= "Invalid width; please type only a number.<br />\n";
                   2757:     }
                   2758:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2759:         $error .= "Invalid height; please type only a number.<br />\n";
                   2760:     }
                   2761:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2762:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2763:     }
                   2764: 
                   2765:     if (!$error) {
                   2766:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2767:         return 1;
                   2768:     } else {
                   2769:         $self->{ERROR_MSG} = $error;
                   2770:         return 0;
                   2771:     }
                   2772: }
                   2773: 
                   2774: 
1.119     bowersj2 2775: 
1.1       www      2776: __END__
1.6       sakharuk 2777: 

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