Annotation of loncom/interface/lonprintout.pm, revision 1.383

1.350     foxr        1: #  The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.383   ! foxr        4: # $Id: lonprintout.pm,v 1.382 2005/08/15 21:51:49 foxr Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: 
                     31: use strict;
1.10      albertel   32: use Apache::Constants qw(:common :http);
1.2       sakharuk   33: use Apache::lonxml;
                     34: use Apache::lonnet;
1.54      sakharuk   35: use Apache::loncommon;
1.13      sakharuk   36: use Apache::inputtags;
1.54      sakharuk   37: use Apache::grades;
1.13      sakharuk   38: use Apache::edit;
1.5       sakharuk   39: use Apache::File();
1.68      sakharuk   40: use Apache::lonnavmaps;
1.227     sakharuk   41: use Apache::lonratedt;
1.34      sakharuk   42: use POSIX qw(strftime);
1.255     www        43: use Apache::lonlocal;
1.60      sakharuk   44: 
1.375     foxr       45: my $resources_printed = '';
                     46: 
1.383   ! foxr       47: #  Determine if a code is a valid numeric code.  Valid
        !            48: #  numeric codes must be comprised entirely of digits and
        !            49: #  have a maximum number of allowable digits.
        !            50: #
        !            51: #  Parameters:
        !            52: #     value      - proposed code value.
        !            53: #     max_digits - Maximum digits allowed.
        !            54: #
        !            55: sub is_valid_numeric_code {
        !            56:     my ($value, $max_digits) = @_;
        !            57:     #   Remove leading/trailing whitespace;
        !            58:     $value =~ s/^\s*//;
        !            59:     $value =~ s/\s*$//;
        !            60:     
        !            61:     #  All digits?
        !            62: 
        !            63:     if ($value =~ /^[0-9]+$/) {
        !            64: 	if (length($value) <= $max_digits) {
        !            65: 	    return undef;
        !            66: 	} else {
        !            67: 	    return "Numeric code $value  has too many digits (max = $max_digits)";
        !            68: 	}
        !            69:     } else {
        !            70: 	return "Numeric code $value has invalid characters - must only be digits";
        !            71:     }
        !            72: }
        !            73: #   Determines if a code is a valid alhpa code.  Alpha codes
        !            74: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
        !            75: #   They also have a maximum digit count.
        !            76: # Parameters:
        !            77: #     value          - Proposed code value.
        !            78: #     max_letters    - Maximum number of letters.
        !            79: # Note:
        !            80: #    leading and trailing whitespace are ignored.
        !            81: #
        !            82: sub is_valid_alpha_code {
        !            83:     my ($value, $max_letters) = @_;
        !            84:     
        !            85:      # strip leading and trailing spaces.
        !            86: 
        !            87:     $value =~ s/^\s*//g;
        !            88:     $value =~ s/\s*$//g;
        !            89: 
        !            90:     #  All alphas in the right range?
        !            91: 
        !            92:     if ($value =~ /^[A-J,a-j]+$/) {
        !            93: 	if (length($value) <= $max_letters) {
        !            94: 	    return undef;
        !            95: 	} else {
        !            96: 	    return "Letter code $value has too many letters (max = $max_letters)";
        !            97: 	}
        !            98:     } else {
        !            99: 	return "Invalid letter code $value must only contain A-J";
        !           100:     }
        !           101: }
        !           102: 
1.382     foxr      103: #   Determine if a code entered by the user in a helper is valid.
                    104: #   valid depends on the code type and the type of code selected.
                    105: #   The type of code selected can either be numeric or 
                    106: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    107: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    108: #   We'll be nice and be case insensitive for alpha codes.
                    109: # Parameters:
                    110: #    code_value    - the value of the code the user typed in.
                    111: #    code_option   - The code type selected from the set in the scantron format
                    112: #                    table.
                    113: # Returns:
                    114: #    undef         - The code is valid.
                    115: #    other         - An error message indicating what's wrong.
                    116: #
                    117: sub is_code_valid {
                    118:     my ($code_value, $code_option) = @_;
1.383   ! foxr      119:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
        !           120:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
        !           121:     foreach my $line (<FG>) {
        !           122: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
        !           123: 	if($name eq $code_option) {
        !           124: 	    $code_length = $length;
        !           125: 	    if($type eq 'number') {
        !           126: 		$code_type = 'number';
        !           127: 	    }
        !           128: 	}
        !           129:     }
        !           130:     my $valid;
        !           131:     if ($code_type eq 'number') {
        !           132: 	$valid = &is_valid_numeric_code($code_value, $code_length);
        !           133:     } else {
        !           134: 	$valid = &is_valid_alpha_code($code_value, $code_length);
        !           135:     }
        !           136:   
1.382     foxr      137: 
1.383   ! foxr      138:     return "Entering a single code is not supported (yet): $code_type $code_length $valid";
1.382     foxr      139: }
                    140: 
1.341     foxr      141: #   Compare two students by name.  The students are in the form
                    142: #   returned by the helper:
                    143: #      user:domain:section:last,   first:status
                    144: #   This is a helper function for the perl sort built-in  therefore:
                    145: # Implicit Inputs:
                    146: #    $a     - The first element to compare (global)
                    147: #    $b     - The second element to compare (global)
                    148: # Returns:
                    149: #   -1   - $a < $b
                    150: #    0   - $a == $b
                    151: #   +1   - $a > $b
                    152: #   Note that the initial comparison is done on the last names with the
                    153: #   first names only used to break the tie.
                    154: #
                    155: #
                    156: sub compare_names {
                    157:     #  First split the names up into the primary fields.
                    158: 
                    159:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    160:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    161: 
                    162:     # Now split the last name and first name of each n:
                    163:     #
                    164: 
                    165:     my ($l1,$f1) = split(/,/, $n1);
                    166:     my ($l2,$f2) = split(/,/, $n2);
                    167: 
                    168:     # We don't bother to remove the leading/trailing whitespace from the
                    169:     # firstname, unless the last names compare identical.
                    170: 
                    171:     if($l1 lt $l2) {
                    172: 	return -1;
                    173:     }
                    174:     if($l1 gt $l2) {
                    175: 	return  1;
                    176:     }
                    177: 
                    178:     # Break the tie on the first name, but there are leading (possibly trailing
                    179:     # whitespaces to get rid of first 
                    180:     #
                    181:     $f1 =~ s/^\s+//;		# Remove leading...
                    182:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    183:     
                    184:     $f2 =~ s/^\s+//;
                    185:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    186: 
                    187:     if($f1 lt $f2) {
                    188: 	return -1;
                    189:     }
                    190:     if($f1 gt $f2) {
                    191: 	return 1;
                    192:     }
                    193:     
                    194:     #  Must be the same name.
                    195: 
                    196:     return 0;
                    197: }
                    198: 
1.71      sakharuk  199: sub latex_header_footer_remove {
                    200:     my $text = shift;
                    201:     $text =~ s/\\end{document}//;
                    202:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    203:     return $text;
                    204: }
                    205: 
                    206: 
1.37      sakharuk  207: sub character_chart {
                    208:     my $result = shift;	
1.116     sakharuk  209:     $result =~ s/&\#0?0?(7|9);//g;
                    210:     $result =~ s/&\#0?(10|13);//g;
                    211:     $result =~ s/&\#0?32;/ /g;
                    212:     $result =~ s/&\#0?33;/!/g;
                    213:     $result =~ s/&(\#0?34|quot);/\"/g;
                    214:     $result =~ s/&\#0?35;/\\\#/g;
                    215:     $result =~ s/&\#0?36;/\\\$/g;
                    216:     $result =~ s/&\#0?37;/\\%/g; 
                    217:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    218:     $result =~ s/&\#(0?39|146);/\'/g;
                    219:     $result =~ s/&\#0?40;/(/g;
                    220:     $result =~ s/&\#0?41;/)/g;
                    221:     $result =~ s/&\#0?42;/\*/g;
                    222:     $result =~ s/&\#0?43;/\+/g;
                    223:     $result =~ s/&\#(0?44|130);/,/g;
                    224:     $result =~ s/&\#0?45;/-/g;
                    225:     $result =~ s/&\#0?46;/\./g;
                    226:     $result =~ s/&\#0?47;/\//g;
                    227:     $result =~ s/&\#0?48;/0/g;
                    228:     $result =~ s/&\#0?49;/1/g;
                    229:     $result =~ s/&\#0?50;/2/g;
                    230:     $result =~ s/&\#0?51;/3/g;
                    231:     $result =~ s/&\#0?52;/4/g;
                    232:     $result =~ s/&\#0?53;/5/g;
                    233:     $result =~ s/&\#0?54;/6/g;
                    234:     $result =~ s/&\#0?55;/7/g;
                    235:     $result =~ s/&\#0?56;/8/g;
                    236:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  237:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  238:     $result =~ s/&\#0?59;/;/g;
                    239:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  240:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    241:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  242:     $result =~ s/&\#0?63;/\?/g;
                    243:     $result =~ s/&\#0?65;/A/g;
                    244:     $result =~ s/&\#0?66;/B/g;
                    245:     $result =~ s/&\#0?67;/C/g;
                    246:     $result =~ s/&\#0?68;/D/g;
                    247:     $result =~ s/&\#0?69;/E/g;
                    248:     $result =~ s/&\#0?70;/F/g;
                    249:     $result =~ s/&\#0?71;/G/g;
                    250:     $result =~ s/&\#0?72;/H/g;
                    251:     $result =~ s/&\#0?73;/I/g;
                    252:     $result =~ s/&\#0?74;/J/g;
                    253:     $result =~ s/&\#0?75;/K/g;
                    254:     $result =~ s/&\#0?76;/L/g;
                    255:     $result =~ s/&\#0?77;/M/g;
                    256:     $result =~ s/&\#0?78;/N/g;
                    257:     $result =~ s/&\#0?79;/O/g;
                    258:     $result =~ s/&\#0?80;/P/g;
                    259:     $result =~ s/&\#0?81;/Q/g;
                    260:     $result =~ s/&\#0?82;/R/g;
                    261:     $result =~ s/&\#0?83;/S/g;
                    262:     $result =~ s/&\#0?84;/T/g;
                    263:     $result =~ s/&\#0?85;/U/g;
                    264:     $result =~ s/&\#0?86;/V/g;
                    265:     $result =~ s/&\#0?87;/W/g;
                    266:     $result =~ s/&\#0?88;/X/g;
                    267:     $result =~ s/&\#0?89;/Y/g;
                    268:     $result =~ s/&\#0?90;/Z/g;
                    269:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  270:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  271:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  272:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  273:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    274:     $result =~ s/&\#(0?96|145);/\`/g;
                    275:     $result =~ s/&\#0?97;/a/g;
                    276:     $result =~ s/&\#0?98;/b/g;
                    277:     $result =~ s/&\#0?99;/c/g;
                    278:     $result =~ s/&\#100;/d/g;
                    279:     $result =~ s/&\#101;/e/g;
                    280:     $result =~ s/&\#102;/f/g;
                    281:     $result =~ s/&\#103;/g/g;
                    282:     $result =~ s/&\#104;/h/g;
                    283:     $result =~ s/&\#105;/i/g;
                    284:     $result =~ s/&\#106;/j/g;
                    285:     $result =~ s/&\#107;/k/g;
                    286:     $result =~ s/&\#108;/l/g;
                    287:     $result =~ s/&\#109;/m/g;
                    288:     $result =~ s/&\#110;/n/g;
                    289:     $result =~ s/&\#111;/o/g;
                    290:     $result =~ s/&\#112;/p/g;
                    291:     $result =~ s/&\#113;/q/g;
                    292:     $result =~ s/&\#114;/r/g;
                    293:     $result =~ s/&\#115;/s/g;
                    294:     $result =~ s/&\#116;/t/g;
                    295:     $result =~ s/&\#117;/u/g;
                    296:     $result =~ s/&\#118;/v/g;
                    297:     $result =~ s/&\#119;/w/g;
                    298:     $result =~ s/&\#120;/x/g;
                    299:     $result =~ s/&\#121;/y/g;
                    300:     $result =~ s/&\#122;/z/g;
                    301:     $result =~ s/&\#123;/\\{/g;
                    302:     $result =~ s/&\#124;/\|/g;
                    303:     $result =~ s/&\#125;/\\}/g;
                    304:     $result =~ s/&\#126;/\~/g;
                    305:     $result =~ s/&\#131;/\\textflorin /g;
                    306:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  307:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    308:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    309:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  310:     $result =~ s/&\#137;/\\textperthousand /g;
                    311:     $result =~ s/&\#140;/{\\OE}/g;
                    312:     $result =~ s/&\#147;/\`\`/g;
                    313:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  314:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.116     sakharuk  315:     $result =~ s/&\#150;/--/g;
                    316:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  317:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  318:     $result =~ s/&\#153;/\\texttrademark /g;
                    319:     $result =~ s/&\#156;/\\oe/g;
                    320:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  321:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  322:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    323:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    324:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    325:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    326:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    327:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    328:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    329:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    330:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    331:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  332:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  333:     $result =~ s/&(\#173|shy);/ - /g;
                    334:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  335:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    336:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    337:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    338:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    339:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  340:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  341:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  342:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  343:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  344:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  345:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  346:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    347:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    348:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    349:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    350:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    351:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    352:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    353:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    354:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    355:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    356:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    357:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    358:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    359:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    360:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    361:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    362:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    363:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    364:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    365:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    366:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    367:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    368:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    369:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    370:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    371:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    372:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  373:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  374:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    375:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    376:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    377:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    378:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    379:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  380:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  381:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    382:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    383:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    384:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    385:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    386:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    387:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    388:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    389:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    390:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    391:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    392:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    393:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    394:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    395:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    396:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  397:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  398:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    399:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    400:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    401:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    402:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    403:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  404:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  405:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    406:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    407:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    408:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    409:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    410:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    411:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.281     sakharuk  412:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  413: #Greek Alphabet
1.281     sakharuk  414:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    415:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    416:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    417:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    418:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    419:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    420:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    421:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    422:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    423:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    424:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    425:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    426:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    427:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  428:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  429:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    430:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    431:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    432:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    433:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    434:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    435:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    436:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    437:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    438:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    439:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  440:     $result =~ s/&(Alpha|\#913);/A/g;
                    441:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  442:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    443:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  444:     $result =~ s/&(Epsilon|\#917);/E/g;
                    445:     $result =~ s/&(Zeta|\#918);/Z/g;
                    446:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  447:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  448:     $result =~ s/&(Iota|\#921);/I/g;
                    449:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  450:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  451:     $result =~ s/&(Mu|\#924);/M/g;
                    452:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  453:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  454:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  455:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  456:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  457:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  458:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  459:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    460:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  461:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  462:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    463:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  464: #Arrows (extended HTML 4.01)
1.281     sakharuk  465:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    466:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    467:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    468:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    469:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    470:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    471:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    472:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    473:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    474:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  475: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  476:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    477:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    478:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    479:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    480:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    481:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    482:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    483:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    484:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    485:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    486:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
                    487:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    488:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    489:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    490:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    491:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    492:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    493:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    494:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    495:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    496:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    497:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    498:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    499:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    500:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    501:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    502:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    503:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    504:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    505:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    506:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    507:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    508:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    509:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    510:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    511:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    512:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  513: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  514:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  515: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  516:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    517:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    518:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    519:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.37      sakharuk  520:     return $result;
                    521: }
1.41      sakharuk  522: 
                    523: 
1.327     albertel  524:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    525: my %page_formats=
                    526:     ('letter' => {
                    527: 	 'book' => {
1.349     albertel  528: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'],
                    529: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm']
1.327     albertel  530: 	 },
                    531: 	 'album' => {
1.338     albertel  532: 	     '1' => [ '8.8 in', '6.8 in','-40 pt in',  '-60 pt','1 cm'],
1.327     albertel  533: 	     '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in']
                    534: 	 },
                    535:      },
                    536:      'legal' => {
                    537: 	 'book' => {
                    538: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    539: 	     '2' => ['3.16 in','13 in','-0.57 in','-0.57 in','-0.5 in']
                    540: 	 },
                    541: 	 'album' => {
1.376     albertel  542: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    543:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  544:           },
                    545:      },
                    546:      'tabloid' => {
                    547: 	 'book' => {
                    548: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    549: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    550: 	 },
                    551: 	 'album' => {
1.376     albertel  552: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    553: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  554:           },
                    555:      },
                    556:      'executive' => {
                    557: 	 'book' => {
                    558: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    559: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    560: 	 },
                    561: 	 'album' => {
                    562: 	     '1' => [],
                    563: 	     '2' => []
                    564:           },
                    565:      },
                    566:      'a2' => {
                    567: 	 'book' => {
                    568: 	     '1' => [],
                    569: 	     '2' => []
                    570: 	 },
                    571: 	 'album' => {
                    572: 	     '1' => [],
                    573: 	     '2' => []
                    574:           },
                    575:      },
                    576:      'a3' => {
                    577: 	 'book' => {
                    578: 	     '1' => [],
                    579: 	     '2' => []
                    580: 	 },
                    581: 	 'album' => {
                    582: 	     '1' => [],
                    583: 	     '2' => []
                    584:           },
                    585:      },
                    586:      'a4' => {
                    587: 	 'book' => {
                    588: 	     '1' => ['176 mm','272 mm','-40 pt in','-60 pt','-0.5 in'],
                    589: 	     '2' => [ '91 mm','272 mm','-40 pt in','-60 pt','-0.5 in']
                    590: 	 },
                    591: 	 'album' => {
                    592: 	     '1' => ['8.5 in','7.7 in','-40 pt in','-60 pt','0 in'],
                    593: 	     '2' => ['3.9 in','7.7 in','-40 pt in','-60 pt','0 in']
                    594: 	 },
                    595:      },
                    596:      'a5' => {
                    597: 	 'book' => {
                    598: 	     '1' => [],
                    599: 	     '2' => []
                    600: 	 },
                    601: 	 'album' => {
                    602: 	     '1' => [],
                    603: 	     '2' => []
                    604:           },
                    605:      },
                    606:      'a6' => {
                    607: 	 'book' => {
                    608: 	     '1' => [],
                    609: 	     '2' => []
                    610: 	 },
                    611: 	 'album' => {
                    612: 	     '1' => [],
                    613: 	     '2' => []
                    614:           },
                    615:      },
                    616:      );
                    617: 
1.177     sakharuk  618: sub page_format {
1.140     sakharuk  619: #
1.326     sakharuk  620: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    621: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    622: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    623: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    624: #                        "A6 [105x148 mm]"
1.140     sakharuk  625: # 
                    626:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  627:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  628: }
1.76      sakharuk  629: 
                    630: 
1.126     albertel  631: sub get_name {
                    632:     my ($uname,$udom)=@_;
1.373     albertel  633:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    634:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  635:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  636:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
                    637:     $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
                    638:     return $plainname;
1.126     albertel  639: }
                    640: 
1.213     albertel  641: sub get_course {
                    642:     my $courseidinfo;
1.373     albertel  643:     if (defined($env{'request.course.id'})) {
                    644: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  645:     }
                    646:     return $courseidinfo;
                    647: }
1.177     sakharuk  648: 
1.76      sakharuk  649: sub page_format_transformation {
1.312     sakharuk  650:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  651:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.312     sakharuk  652:     if ($selectionmade eq '4') {
                    653: 	$assignment='Problems from the Whole Course';
                    654:     } else {
                    655: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    656:     }
1.261     sakharuk  657:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.126     albertel  658:     my $name = &get_name();
1.213     albertel  659:     my $courseidinfo = &get_course();
                    660:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.319     sakharuk  661:     my $topmargintoinsert = '';
                    662:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  663:     my $fancypagestatement='';
                    664:     if ($numberofcolumns eq '2') {
                    665: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    666:     } else {
                    667: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{\\textbf{$name} $courseidinfo \\hfill \\thepage \\\\ \\textit{$assignment}}";
                    668:     }
1.140     sakharuk  669:     if ($layout eq 'album') {
1.340     foxr      670: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  671:     } elsif ($layout eq 'book') {
                    672: 	if ($choice ne 'All class print') { 
1.340     foxr      673: 	    $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  674: 	} else {
1.340     foxr      675: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  676: 	}
1.326     sakharuk  677: 	if ($papersize eq 'a4') {
1.319     sakharuk  678: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk  679: 	}
                    680:     }
1.214     sakharuk  681:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                    682:     if ($indexlist eq 'yes') {
                    683: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                    684: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                    685:     }
1.140     sakharuk  686:     return $text;
                    687: }
                    688: 
                    689: 
1.33      sakharuk  690: sub page_cleanup {
                    691:     my $result = shift;	
1.65      sakharuk  692:  
                    693:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk  694:     my $number_of_columns = $1;
1.33      sakharuk  695:     my $insert = '{';
1.34      sakharuk  696:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk  697:     $insert .= '}';
1.65      sakharuk  698:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk  699:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                    700:     return $result,$number_of_columns;
1.7       sakharuk  701: }
1.5       sakharuk  702: 
1.3       sakharuk  703: 
1.60      sakharuk  704: sub details_for_menu {
1.335     albertel  705:     my ($helper)=@_;
1.373     albertel  706:     my $postdata=$env{'form.postdata'};
1.335     albertel  707:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                    708:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                    709:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.233     www       710:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel  711:     $map=&Apache::lonnet::clutter($map);
1.269     albertel  712:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel  713:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel  714: 	$map =~ m|([^/]+)$|;
                    715: 	$name_of_sequence = $1;
1.63      albertel  716:     }
1.373     albertel  717:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel  718:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel  719: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel  720: 	$name_of_map = $1;
                    721:     }
1.335     albertel  722:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk  723: }
                    724: 
                    725: 
                    726: sub latex_corrections {
                    727: 
1.316     sakharuk  728:     my ($number_of_columns,$result,$selectionmade) = @_;
1.76      sakharuk  729: 
1.185     sakharuk  730: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.76      sakharuk  731:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.316     sakharuk  732:     if ($selectionmade ne '1') {
                    733: 	$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/;
                    734:     } else {
                    735: 	$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/;
                    736:     }
1.91      sakharuk  737:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                    738:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk  739: #-- LaTeX corrections     
                    740:     my $first_comment = index($result,'<!--',0);
                    741:     while ($first_comment != -1) {
                    742: 	my $end_comment = index($result,'-->',$first_comment);
                    743: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                    744: 	$first_comment = index($result,'<!--',$first_comment);
                    745:     }
                    746:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel  747:     #removes more than one empty space
                    748:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk  749:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                    750:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                    751:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk  752:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk  753:     #conversion of html characters to LaTeX equivalents
                    754:     if ($result =~ m/&(\w+|#\d+);/) {
                    755: 	$result = &character_chart($result);
                    756:     }
                    757:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                    758:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                    759: 
                    760:     return $result;
1.60      sakharuk  761: }
                    762: 
1.3       sakharuk  763: 
1.214     sakharuk  764: sub index_table {
                    765:     my $currentURL = shift;
                    766:     my $insex_string='';
                    767:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                    768:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                    769:     return $insex_string;
                    770: }
                    771: 
                    772: 
1.215     sakharuk  773: sub IndexCreation {
                    774:     my ($texversion,$currentURL)=@_;
                    775:     my @key_words=split(/,/,&index_table($currentURL));
                    776:     my $chunk='';
                    777:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                    778:     if ($st>0) {
                    779: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                    780: 	$chunk=substr($texversion,0,$st+1);
                    781: 	substr($texversion,0,$st+1)=' ';
                    782:     }
                    783:     foreach my $key_word (@key_words) {
                    784: 	if ($key_word=~/\S+/) {
                    785: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                    786: 	}
                    787:     }			
                    788:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                    789:     return $texversion;
                    790: }
                    791: 
1.242     sakharuk  792: sub print_latex_header {
                    793:     my $mode=shift;
                    794:     my $output='\documentclass[letterpaper]{article}';
1.373     albertel  795:     if (($mode eq 'batchmode') || (!$env{'request.role.adv'})) {
1.242     sakharuk  796: 	$output.='\batchmode';
                    797:     }
1.340     foxr      798:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
                    799: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr      800: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
                    801: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.340     foxr      802: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                    803: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                    804: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                    805: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                    806: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    807: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                    808: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                    809: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                    810: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                    811: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                    812: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                    813: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                    814: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk  815:     return $output;	     
                    816: }
                    817: 
                    818: sub path_to_problem {
1.328     albertel  819:     my ($urlp,$colwidth)=@_;
1.242     sakharuk  820:     my $newurlp = '';
1.328     albertel  821:     $colwidth=~s/\s*mm\s*$//;
                    822: #characters average about 2 mm in width
1.360     albertel  823:     if (length($urlp)*2 > $colwidth) {
1.328     albertel  824: 	my @elements = split '/',$urlp;
                    825: 	my $curlength=0;
                    826: 	foreach my $element (@elements) {
                    827: 	    if ($curlength+(length($element)*2) > $colwidth) {
                    828: 		$newurlp .=  '|\vskip -1 mm \noindent \verb|';
                    829: 		$curlength=0;
                    830: 	    } else {
                    831: 		$curlength+=length($element)*2;
1.242     sakharuk  832: 	    }
1.328     albertel  833: 	    $newurlp.='/'.$element;
1.242     sakharuk  834: 	}
1.253     sakharuk  835:     } else {
                    836: 	$newurlp=$urlp;
1.242     sakharuk  837:     }
                    838:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                    839: }
1.215     sakharuk  840: 
1.275     sakharuk  841: sub recalcto_mm {
                    842:     my $textwidth=shift;
                    843:     my $LaTeXwidth;
1.339     albertel  844:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk  845: 	$LaTeXwidth = $1*10;
1.339     albertel  846:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk  847: 	$LaTeXwidth = $1;
1.339     albertel  848:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk  849: 	$LaTeXwidth = $1*25.4;
                    850:     }
                    851:     $LaTeXwidth.=' mm';
                    852:     return $LaTeXwidth;
                    853: }
                    854: 
1.285     albertel  855: sub get_textwidth {
                    856:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel  857:     my $textwidth=$LaTeXwidth;
1.285     albertel  858:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                    859: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel  860: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                    861: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel  862:     }
1.286     albertel  863:     return $textwidth;
1.285     albertel  864: }
                    865: 
1.296     sakharuk  866: 
                    867: sub unsupported {
1.307     sakharuk  868:     my ($currentURL,$mode)=@_;
                    869:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk  870:     my $result.= &print_latex_header($mode);
1.301     sakharuk  871:     if ($currentURL=~/\/ext\//) {
1.296     sakharuk  872: 	$result.=' \strut \\\\ THIS IS EXTERNAL RESOURCE WITH URL \strut \\\\ '.$currentURL.' ';
                    873:     } else {
                    874: 	$result.=$currentURL;
                    875:     }
1.297     sakharuk  876:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk  877:     return $result;
                    878: }
                    879: 
                    880: 
1.363     foxr      881: #
                    882: #   Retrieve the hash of page breaks.
                    883: #
                    884: #  Inputs:
                    885: #    helper   - reference to helper object.
                    886: #  Outputs
                    887: #    A reference to a page break hash.
                    888: #
                    889: #
                    890: 
                    891: sub get_page_breaks  {
                    892:     my ($helper) = @_;
                    893:     my %page_breaks;
                    894:     
                    895:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                    896: 	$page_breaks{$break} = 1;
                    897:     }
                    898:     
1.364     albertel  899:     return %page_breaks;
1.363     foxr      900: }
                    901: 
1.177     sakharuk  902: sub output_data {
1.184     sakharuk  903:     my ($r,$helper,$rparmhash) = @_;
                    904:     my %parmhash = %$rparmhash;
1.361     albertel  905:     my $html=&Apache::lonxml::xmlbegin();
1.187     www       906:     my $bodytag=&Apache::loncommon::bodytag('Preparing Printout');
1.140     sakharuk  907:     $r->print(<<ENDPART);
1.361     albertel  908: $html
                    909: <head>
                    910: <script type="text/javascript" language="Javascript">
1.264     sakharuk  911:     var editbrowser;
                    912:     function openbrowser(formname,elementname,only,omit) {
                    913:         var url = '/res/?';
                    914:         if (editbrowser == null) {
                    915:             url += 'launch=1&';
                    916:         }
                    917:         url += 'catalogmode=interactive&';
                    918:         url += 'mode=parmset&';
                    919:         url += 'form=' + formname + '&';
                    920:         if (only != null) {
                    921:             url += 'only=' + only + '&';
                    922:         } 
                    923:         if (omit != null) {
                    924:             url += 'omit=' + omit + '&';
                    925:         }
                    926:         url += 'element=' + elementname + '';
                    927:         var title = 'Browser';
                    928:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    929:         options += ',width=700,height=600';
                    930:         editbrowser = open(url,title,options,'1');
                    931:         editbrowser.focus();
                    932:     }
                    933: </script>
1.140     sakharuk  934: <title>LON-CAPA output for printing</title>
                    935: </head>
1.187     www       936: $bodytag
                    937: Please stand by while processing your print request, this may take some time ...
1.140     sakharuk  938: ENDPART
                    939: 
1.363     foxr      940: 
1.372     foxr      941: 
1.363     foxr      942:     # fetch the pagebreaks and store them in the course environment
                    943:     # The page breaks will be pulled into the hash %page_breaks which is
                    944:     # indexed by symb and contains 1's for each break.
                    945: 
1.373     albertel  946:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                    947:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr      948:     &Apache::loncommon::store_course_settings('print',
1.366     foxr      949: 					      {'pagebreaks'    => 'scalar',
                    950: 					       'lastprinttype' => 'scalar'});
1.363     foxr      951: 
1.364     albertel  952:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr      953: 
1.140     sakharuk  954:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                    955:     my ($result,$selectionmade) = ('','');
                    956:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                    957:     my @temporary_array=split /\|/,$format_from_helper;
                    958:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                    959:     if ($laystyle eq 'L') {
                    960: 	$laystyle='album';
                    961:     } else {
                    962: 	$laystyle='book';
                    963:     }
1.177     sakharuk  964:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel  965:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk  966:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk  967:     my @print_array=();
1.274     sakharuk  968:     my @student_names=();
1.360     albertel  969: 
                    970:     #  Common settings for the %form has:
                    971:     # In some cases these settings get overriddent by specific cases, but the
                    972:     # settings are common enough to make it worthwhile factoring them out
                    973:     # here.
                    974:     #
                    975:     my %form;
                    976:     $form{'grade_target'} = 'tex';
                    977:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr      978: 
                    979:     # If form.showallfoils is set, then request all foils be shown:
                    980:     # privilege will be enforced both by not allowing the 
                    981:     # check box selecting this option to be presnt unless it's ok,
                    982:     # and by lonresponse's priv. check.
                    983:     # The if is here because lonresponse.pm only cares that
                    984:     # showallfoils is defined, not what the value is.
                    985: 
                    986:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                    987: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                    988:     }
                    989: 
1.140     sakharuk  990:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk  991:       #-- single document - problem, page, html, xml, ...
1.343     albertel  992: 	my ($currentURL,$cleanURL);
1.375     foxr      993: 
1.162     sakharuk  994: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk  995:             #prints published resource
1.153     sakharuk  996: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel  997: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk  998: 	} else {
1.185     sakharuk  999:             #prints resource from the construction space
1.240     albertel 1000: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1001: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1002: 	    $cleanURL=$currentURL;
1.143     sakharuk 1003: 	}
1.140     sakharuk 1004: 	$selectionmade = 1;
1.343     albertel 1005: 	if ($cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1006: 	    my $rndseed=time;
1.242     sakharuk 1007: 	    my $texversion='';
                   1008: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1009: 		my %moreenv;
1.343     albertel 1010: 		$moreenv{'request.filename'}=$cleanURL;
1.265     sakharuk 1011: 		if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1012: 		    $moreenv{'construct.style'}=$helper->{'VARS'}->{'style_file'};
1.373     albertel 1013: 		    my $dom = $env{'user.domain'};
                   1014: 		    my $user = $env{'user.name'};
1.265     sakharuk 1015: 		    my $put_result = &Apache::lonnet::put('environment',{'construct.style'=>$helper->{'VARS'}->{'style_file'}},$dom,$user);
                   1016: 		}
1.290     sakharuk 1017:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1018: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1019: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1020: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1021: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1022: 		if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.242     sakharuk 1023: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1024: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1025: 		}
                   1026: 		$form{'rndseed'}=$rndseed;
                   1027: 		&Apache::lonnet::appenv(%moreenv);
                   1028: 		&Apache::lonnet::delenv('form.counter');
                   1029: 		&Apache::lonxml::init_counter();
1.375     foxr     1030: 		$resources_printed .= $currentURL.':';
1.275     sakharuk 1031: 		$texversion.=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1032: 		&Apache::lonnet::delenv('form.counter');
                   1033: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1034: 	    }
1.242     sakharuk 1035: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1036: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1037: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1038: 		$form{'grade_target'}='answer';
1.167     albertel 1039: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1040: 		$form{'rndseed'}=$rndseed;
1.375     foxr     1041: 		$resources_printed .= $currentURL.':';
1.166     albertel 1042: 		my $answer=&Apache::lonnet::ssi($currentURL,%form);
1.242     sakharuk 1043: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1044: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1045: 		} else {
                   1046: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1047: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1048: 			$texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
1.343     albertel 1049: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1050: 		    } else {
                   1051: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1052: 			my $URLpath=$cleanURL;
1.245     sakharuk 1053: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1054: 			$texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1055: 		    }
1.242     sakharuk 1056: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1057: 		}
1.163     sakharuk 1058: 	    }
1.214     sakharuk 1059: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1060: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1061: 	    }
1.219     sakharuk 1062: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1063: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1064: 
                   1065: 	    }
1.162     sakharuk 1066: 	    $result .= $texversion;
                   1067: 	    if ($currentURL=~m/\.page\s*$/) {
                   1068: 		($result,$number_of_columns) = &page_cleanup($result);
                   1069: 	    }
1.227     sakharuk 1070:         } elsif ($currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
                   1071:             #printing content of sequence from the construction space	
                   1072: 	    my $flag_latex_header_remove = 'NO'; 
                   1073: 	    my $rndseed=time;
1.231     albertel 1074: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1075: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1076: 	    }
1.227     sakharuk 1077: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1078: 	    my $errtext=&Apache::lonratedt::mapread($currentURL);
                   1079: 	    for (my $member=0;$member<=$#Apache::lonratedt::order;$member++) {
                   1080: 		$Apache::lonratedt::resources[$Apache::lonratedt::order[$member]]=~/^([^:]*):([^:]*):/;
                   1081: 		my $urlp=$2;
                   1082: 		if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.245     sakharuk 1083: 		    my $texversion='';
                   1084: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1085: 			$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1086: 			$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.245     sakharuk 1087: 			$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1088: 			$form{'rndseed'}=$rndseed;
1.375     foxr     1089: 			$resources_printed .=$urlp.':';
1.245     sakharuk 1090: 			$texversion=&Apache::lonnet::ssi($urlp,%form);
                   1091: 		    }
1.249     sakharuk 1092: 		    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1093: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1094: 		       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
1.380     foxr     1095: 			#  Don't permanently modify %$form...
                   1096: 			my %answerform = %form;
                   1097: 			$answerform{'grade_target'}='answer';
                   1098: 			$answerform{'answer_output_mode'}='tex';
                   1099: 			$answerform{'rndseed'}=$rndseed;
                   1100: 			$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.373     albertel 1101:                         if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.375     foxr     1102: 			$resources_printed .= $urlp.':';
1.380     foxr     1103: 			my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.245     sakharuk 1104: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1105: 			    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1106: 			} else {
                   1107: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1108: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
                   1109: 			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
                   1110: 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1111: 			}
1.227     sakharuk 1112: 		    }
                   1113: 		    if ($flag_latex_header_remove ne 'NO') {
                   1114: 			$texversion = &latex_header_footer_remove($texversion);
                   1115: 		    } else {
                   1116: 			$texversion =~ s/\\end{document}//;
                   1117: 		    }
                   1118: 		    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1119: 			$texversion=&IndexCreation($texversion,$urlp);
                   1120: 		    }
1.232     sakharuk 1121: 		    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URpL'} eq 'yes') {
1.227     sakharuk 1122: 			$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1123: 		    }
                   1124: 		    $result.=$texversion;
                   1125: 		    $flag_latex_header_remove = 'YES';
                   1126: 		} elsif ($urlp=~/\.(sequence|page)$/) {
1.229     sakharuk 1127: 		    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
1.227     sakharuk 1128: 		}  
                   1129: 	    }
1.228     sakharuk 1130: 	    if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.227     sakharuk 1131: 	    $result .= '\end{document}';   
1.343     albertel 1132: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1133: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1134: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1135: 		$resources_printed .= $currentURL.':';
1.258     sakharuk 1136: 		my $texversion=&Apache::lonnet::ssi($currentURL,%form);
                   1137: 		$result .= $texversion;
1.162     sakharuk 1138: 	} else {
1.307     sakharuk 1139: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'});
1.162     sakharuk 1140: 	}
1.354     foxr     1141:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1142:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1143:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1144: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1145: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.141     sakharuk 1146:         #-- produce an output string
1.296     sakharuk 1147: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1148: 	    $selectionmade = 2;
                   1149: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1150: 	    $selectionmade = 3;
                   1151: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1152: 	    $selectionmade = 4;
1.354     foxr     1153: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1154: 	    $selectionmade = 4;
1.296     sakharuk 1155: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1156: 	    $selectionmade = 7;
                   1157: 	}
1.193     sakharuk 1158: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1159: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1160: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1161: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1162: 	if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$form{'problem_split'}='yes';}
1.141     sakharuk 1163: 	my $flag_latex_header_remove = 'NO';
                   1164: 	my $flag_page_in_sequence = 'NO';
                   1165: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1166: 	my $prevassignment='';
1.270     sakharuk 1167: 	&Apache::lonnet::delenv('form.counter');
1.201     sakharuk 1168: 	&Apache::lonxml::init_counter();
1.141     sakharuk 1169: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1170: 
                   1171: 	    # Note due to document structure, not allowed to put \newpage
                   1172: 	    # prior to the first resource
                   1173: 
1.351     foxr     1174: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1175: 		if($i != 0) {
                   1176: 		    $result.="\\newpage\n";
                   1177: 		}
                   1178: 	    }
1.236     albertel 1179: 	    my (undef,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1180: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1181: 	    $form{'symb'}=$master_seq[$i];
1.236     albertel 1182: 	    my ($sequence)=&Apache::lonnet::decode_symb($master_seq[$i]);
                   1183: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #tittle of the assignment which contains this problem
1.267     sakharuk 1184: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1185: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1186: 	    my $texversion='';
1.296     sakharuk 1187: 	    if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1188: 		$resources_printed .= $urlp.':';
1.297     sakharuk 1189: 		$texversion.=&Apache::lonnet::ssi($urlp,%form);
1.296     sakharuk 1190: 		if ($urlp=~/\.page$/) {
                   1191: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1192: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1193: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1194: 		    $flag_page_in_sequence = 'YES';
                   1195: 		} 
                   1196: 		my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1197: 		my $envfile=$env{'user.environment'};
1.296     sakharuk 1198: 		$envfile=~/\/([^\/]+)\.id$/;
                   1199: 		$envfile=$1;
                   1200: 		&Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1201: 		my $current_counter=$env{'form.counter'};
1.296     sakharuk 1202: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1203: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1204: 		    #  Don't permanently pervert the %form hash
                   1205: 		    my %answerform = %form;
                   1206: 		    $answerform{'grade_target'}='answer';
                   1207: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1208: 		    $resources_printed .= $urlp.':';
1.380     foxr     1209: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.296     sakharuk 1210: 		    &Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1211: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1212: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1213: 		    } else {
1.307     sakharuk 1214: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1215: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1216: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($urlp).'}\vskip 0 mm ';
                   1217: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1218: 			    $texversion.='\vskip 1 mm '.$answer;
                   1219: 			} else {
                   1220: 			    $texversion='';
                   1221: 			}
1.249     sakharuk 1222: 		    }
1.246     sakharuk 1223: 		}
1.296     sakharuk 1224: 		if ($flag_latex_header_remove ne 'NO') {
                   1225: 		    $texversion = &latex_header_footer_remove($texversion);
                   1226: 		} else {
                   1227: 		    $texversion =~ s/\\end{document}//;
                   1228: 		}
                   1229: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1230: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1231: 		}
                   1232: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1233: 		    my $name = &get_name();
                   1234: 		    my $courseidinfo = &get_course();
                   1235: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1236: 		    $prevassignment=$assignment;
1.334     albertel 1237: 		    $result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{\\textit{\\textbf{'.$name.'}}'.$courseidinfo.' \\hfill \\thepage \\\\ \\textit{'.$assignment.'}}} \vskip 5 mm ';
1.296     sakharuk 1238: 		}
                   1239: 		$result .= $texversion;
                   1240: 		$flag_latex_header_remove = 'YES';   
1.301     sakharuk 1241: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
                   1242: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1243: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1244: 		$resources_printed .= $urlp.':';
1.301     sakharuk 1245: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
                   1246: 		if ($flag_latex_header_remove ne 'NO') {
                   1247: 		    $texversion = &latex_header_footer_remove($texversion);
                   1248: 		} else {
                   1249: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1250: 		}
                   1251: 		$result .= $texversion;
                   1252: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1253: 	    } else {
1.307     sakharuk 1254: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'});
1.297     sakharuk 1255: 		if ($flag_latex_header_remove ne 'NO') {
                   1256: 		    $texversion = &latex_header_footer_remove($texversion);
                   1257: 		} else {
                   1258: 		    $texversion =~ s/\\end{document}//;
                   1259: 		}
                   1260: 		$result .= $texversion;
                   1261: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1262: 	    }	    
1.331     albertel 1263: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1264: 	}
                   1265: 	&Apache::lonnet::delenv('form.counter');
1.344     foxr     1266: 	if ($flag_page_in_sequence eq 'YES') {
                   1267: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1268: 	}	
1.141     sakharuk 1269: 	$result .= '\end{document}';
1.284     albertel 1270:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1271: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1272: 
                   1273: 
1.150     sakharuk 1274:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1275: 	 my $type;
1.254     sakharuk 1276: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1277: 	     $selectionmade=5;
1.284     albertel 1278: 	     $type='problems';
1.254     sakharuk 1279: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1280: 	     $selectionmade=8;
1.284     albertel 1281: 	     $type='resources';
1.254     sakharuk 1282: 	 }
1.150     sakharuk 1283: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1284: 	 #   The normal sort order is by section then by students within the
                   1285: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1286: 	 #   to override this and output the students by name.
                   1287: 	 #    Each element of the students array is of the form:
                   1288: 	 #       username:domain:section:last, first:status
                   1289: 	 #    
                   1290: 	 #   
                   1291: 	 if ($helper->{'VARS'}->{'student_sort'}    eq 1) {
                   1292: 	     @students = sort compare_names  @students;
                   1293: 	 }
1.278     albertel 1294:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1295: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1296: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1297: 	 }
1.150     sakharuk 1298: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1299: 
1.150     sakharuk 1300: 	 #loop over students
                   1301: 	 my $flag_latex_header_remove = 'NO'; 
                   1302: 	 my %moreenv;
1.330     sakharuk 1303:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1304: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1305: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.353     foxr     1306: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1307: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.309     sakharuk 1308: 	 if ($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') {$moreenv{'problem_split'}='yes';}
1.318     albertel 1309: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1310: 	 my $student_counter=-1;
1.150     sakharuk 1311: 	 foreach my $person (@students) {
1.350     foxr     1312: 
1.373     albertel 1313:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1314: 	     if (-e $duefile) {
                   1315: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1316: 		 print $temp_file "1969\n";
                   1317: 	     }
1.272     sakharuk 1318: 	     $student_counter++;
1.284     albertel 1319: 	     my $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
1.375     foxr     1320: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1321: 						     $person,$type,
                   1322: 						     \%moreenv,\@master_seq,
1.360     albertel 1323: 						     $flag_latex_header_remove,
                   1324: 						     $LaTeXwidth);
1.375     foxr     1325: 	     $resources_printed .= ":";
1.284     albertel 1326: 	     $print_array[$i].=$output;
                   1327: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1328: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1329: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1330: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1331: 	 }
                   1332: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1333: 	 $result .= $print_array[0].'  \end{document}';
                   1334:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1335: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1336: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1337: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1338: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1339: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1340: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.381     albertel 1341: 	 
                   1342: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1343: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1344: 	 my ($code_type,$code_length)=('letter',6);
                   1345: 	 foreach my $line (<FH>) {
                   1346: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1347: 	     if ($name eq $code_option) {
                   1348: 		 $code_length=$length;
                   1349: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1350: 	     }
                   1351: 	 }
1.288     albertel 1352: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1353: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.288     albertel 1354: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1355: 	 my @allcodes;
                   1356: 	 if ($old_name) {
1.381     albertel 1357: 	     my %result=&Apache::lonnet::get('CODEs',
                   1358: 					     [$old_name,"type\0$old_name"],
                   1359: 					     $cdom,$cnum);
                   1360: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1361: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1362: 	     $num_todo=scalar(@allcodes);
1.292     albertel 1363: 	 } else {
                   1364: 	     my %allcodes;
1.299     albertel 1365: 	     srand($seed);
1.292     albertel 1366: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1367: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1368: 					    $code_type);
1.292     albertel 1369: 	     }
                   1370: 	     if ($code_name) {
                   1371: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1372: 				      {
                   1373: 					$code_name =>join(',',keys(%allcodes)),
                   1374: 					"type\0$code_name" => $code_type
                   1375: 				      },
1.292     albertel 1376: 				      $cdom,$cnum);
                   1377: 	     }
                   1378: 	     @allcodes=keys(%allcodes);
                   1379: 	 }
1.336     albertel 1380: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1381: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
                   1382: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1383: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1384: 	     $number_per_page=$num_todo;
                   1385: 	 }
                   1386: 	 my $flag_latex_header_remove = 'NO'; 
                   1387: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1388: 	 my $count=0;
1.292     albertel 1389: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1390: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 1391: 	     if ($code_type eq 'number') { 
                   1392: 		 $moreenv{'CODE'}=$code;
                   1393: 	     } else {
                   1394: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   1395: 	     }
1.375     foxr     1396: 	     my ($output,$fullname, $printed)=
1.288     albertel 1397: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1398: 				  \@master_seq,$flag_latex_header_remove,
                   1399: 				  $LaTeXwidth);
1.375     foxr     1400: 	     $resources_printed .= ":";
1.295     albertel 1401: 	     $print_array[$file_num].=$output;
1.288     albertel 1402: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1403: 				       &mt('last assignment').' '.$fullname);
                   1404: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1405: 	     $count++;
1.331     albertel 1406: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1407: 	 }
                   1408: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1409: 	 $result .= $print_array[0].'  \end{document}';
                   1410:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1411:     #prints selected problems from the subdirectory 
                   1412: 	$selectionmade = 6;
                   1413:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1414: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1415: 	my $flag_latex_header_remove = 'NO'; 
                   1416: 	my $rndseed=time;
1.230     albertel 1417: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1418: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1419: 	}
1.151     sakharuk 1420: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.152     sakharuk 1421: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1422: 	    $urlp=~s|//|/|;
1.152     sakharuk 1423: 	    if ($urlp=~/\//) {
1.353     foxr     1424: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 1425: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 1426: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   1427: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   1428: 		} else {
1.302     sakharuk 1429: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 1430: 		}
1.375     foxr     1431: 		$resources_printed .= $urlp.':';
1.166     albertel 1432: 		my $texversion=&Apache::lonnet::ssi($urlp,%form);
1.251     sakharuk 1433: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 1434: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1435: 		    #  Don't permanently pervert %form:
                   1436: 		    my %answerform = %form;
                   1437: 		    $answerform{'grade_target'}='answer';
                   1438: 		    $answerform{'answer_output_mode'}='tex';
                   1439: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1440: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     1441: 		    $resources_printed .= $urlp.':';
1.380     foxr     1442: 		    my $answer=&Apache::lonnet::ssi($urlp,%answerform);
1.251     sakharuk 1443: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1444: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1445: 		    } else {
1.253     sakharuk 1446: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1447: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1448: 			    $texversion.='\vskip 0 mm \noindent ';
                   1449: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   1450: 			} else {
                   1451: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1452: 			    my $URLpath=$urlp;
                   1453: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1454: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   1455: 			}
                   1456: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 1457: 		    }
1.174     sakharuk 1458: 		}
1.151     sakharuk 1459:                 #this chunck is responsible for printing the path to problem
1.253     sakharuk 1460: 		my $newurlp=$urlp;
                   1461: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   1462: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 1463: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 1464: 		if ($flag_latex_header_remove ne 'NO') {
                   1465: 		    $texversion = &latex_header_footer_remove($texversion);
                   1466: 		} else {
                   1467: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 1468: 		}
                   1469: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1470: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 1471: 		}
1.219     sakharuk 1472: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1473: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1474: 		    
                   1475: 		}
1.152     sakharuk 1476: 		$result .= $texversion;
                   1477: 	    }
                   1478: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 1479: 	}
1.175     sakharuk 1480: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 1481: 	$result .= '\end{document}';      	
1.140     sakharuk 1482:     }
                   1483: #-------------------------------------------------------- corrections for the different page formats
1.312     sakharuk 1484:     $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
1.316     sakharuk 1485:     $result = &latex_corrections($number_of_columns,$result,$selectionmade);
                   1486:     for (my $i=1;$i<=$#print_array;$i++) {$print_array[$i] = &latex_corrections($number_of_columns,$print_array[$i],$selectionmade);}
1.190     sakharuk 1487:     #changes page's parameters for the one column output 
1.195     sakharuk 1488:     if ($numberofcolumns == 1) {
1.339     albertel 1489: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   1490: 	$result =~ s/\\textheight\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   1491: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   1492: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.195     sakharuk 1493:     }
1.367     foxr     1494: 
1.140     sakharuk 1495: #-- writing .tex file in prtspool 
                   1496:     my $temp_file;
1.277     albertel 1497:     my $identifier = &Apache::loncommon::get_cgi_id();
1.379     foxr     1498:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.277     albertel 1499:     if (!($#print_array>0)) { 
                   1500: 	unless ($temp_file = Apache::File->new('>'.$filename)) {
                   1501: 	    $r->log_error("Couldn't open $filename for output $!");
                   1502: 	    return SERVER_ERROR; 
                   1503: 	}
                   1504: 	print $temp_file $result;
                   1505: 	my $begin=index($result,'\begin{document}',0);
                   1506: 	my $inc=substr($result,0,$begin+16);
                   1507:     } else {
                   1508: 	my $begin=index($result,'\begin{document}',0);
                   1509: 	my $inc=substr($result,0,$begin+16);
                   1510:         for (my $i=0;$i<=$#print_array;$i++) {
                   1511: 	    if ($i==0) {
                   1512: 		$print_array[$i]=$result;
                   1513: 	    } else {
                   1514: 		my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   1515: 		substr($print_array[$i],0,$anobegin)='';
                   1516: 		$print_array[$i]=$inc.$print_array[$i].'\end{document}';
                   1517: 	    }
1.272     sakharuk 1518: 	    my $temp_file;
1.273     sakharuk 1519: 	    my $newfilename=$filename;
1.277     albertel 1520: 	    my $num=$i+1;
1.379     foxr     1521: 	    $newfilename =~s/\.tex$//; 
                   1522: 	    $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
1.272     sakharuk 1523: 	    unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   1524: 		$r->log_error("Couldn't open $newfilename for output $!");
                   1525: 		return SERVER_ERROR; 
                   1526: 	    }
                   1527: 	    print $temp_file $print_array[$i];
                   1528: 	}
                   1529:     }
1.274     sakharuk 1530:     my $student_names='';
                   1531:     if ($#print_array>0) {
                   1532: 	for (my $i=0;$i<=$#print_array;$i++) {
                   1533: 	    $student_names.=$student_names[$i].'_ENDPERSON_';
                   1534: 	}
1.277     albertel 1535:     } else {
1.278     albertel 1536: 	if ($#student_names>-1) {
                   1537: 	    $student_names=$student_names[0].'_ENDPERSON_';
                   1538: 	} else {
1.373     albertel 1539: 	    my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   1540: 	    $student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   1541: 				$env{'request.course.sec'},$fullname).
1.278     albertel 1542: 				    '_ENDPERSON_'.'_END_';
                   1543: 	}
1.274     sakharuk 1544:     }
                   1545: 
1.276     sakharuk 1546:     my $URLback=''; #link to original document
                   1547:     if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1548: 	#prints published resource
1.342     albertel 1549: 	$URLback=&Apache::lonnet::escape('/adm/flip?postdata=return:');
1.276     sakharuk 1550:     } else {
                   1551: 	#prints resource from the construction space
                   1552: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 1553: 	if ($URLback=~/([^?]+)/) {
                   1554: 	    $URLback=$1;
                   1555: 	    $URLback=~s|^/~|/priv/|;
                   1556: 	}
1.276     sakharuk 1557:     }
1.375     foxr     1558:     # logic for now is too complex to trace if this has been defined
                   1559:     #  yet.
                   1560:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1561:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.257     sakharuk 1562:     &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,
                   1563:                             'cgi.'.$identifier.'.layout'  => $laystyle,
                   1564:                             'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
1.303     sakharuk 1565: 			    'cgi.'.$identifier.'.paper'  => $papersize,
1.257     sakharuk 1566:                             'cgi.'.$identifier.'.selection' => $selectionmade,
1.375     foxr     1567: 			    'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   1568: 			    'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   1569: 			    'cgi.'.$identifier.'.role' => $env{'request.role.adv'},
                   1570:                             'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   1571:                             'cgi.'.$identifier.'.studentnames' => $student_names,
                   1572:                             'cgi.'.$identifier.'.backref' => $URLback,);
                   1573:     &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},
                   1574: 			    "cgi.$identifier.domain"  => $env{'user.domain'},
                   1575: 			    "cgi.$identifier.courseid" => $cnum, 
                   1576: 			    "cgi.$identifier.coursedom" => $cdom, 
                   1577: 			    "cgi.$identifier.resources" => $resources_printed);
                   1578: 
1.140     sakharuk 1579: $r->print(<<FINALEND);
1.317     albertel 1580: <br />
1.288     albertel 1581: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 1582: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.140     sakharuk 1583: </body>
                   1584: </html>
                   1585: FINALEND
                   1586: }
                   1587: 
1.288     albertel 1588: sub num_to_letters {
                   1589:     my ($num) = @_;
                   1590:     my @nums= split('',$num);
                   1591:     my @num_to_let=('A'..'Z');
                   1592:     my $word;
                   1593:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1594:     return $word;
                   1595: }
                   1596: 
                   1597: sub get_CODE {
1.381     albertel 1598:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 1599:     my $max='1'.'0'x$size;
                   1600:     my $newcode;
                   1601:     while(1) {
1.293     albertel 1602: 	$newcode=sprintf("%06d",int(rand($max)));
1.288     albertel 1603: 	if (!exists($$all_codes{$newcode})) {
                   1604: 	    $$all_codes{$newcode}=1;
1.381     albertel 1605: 	    if ($type eq 'number' ) {
                   1606: 		return $newcode;
                   1607: 	    } else {
                   1608: 		return &num_to_letters($newcode);
                   1609: 	    }
1.288     albertel 1610: 	}
                   1611:     }
                   1612: }
1.140     sakharuk 1613: 
1.284     albertel 1614: sub print_resources {
1.360     albertel 1615:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
                   1616: 	$LaTeXwidth)=@_;
1.284     albertel 1617:     my $current_output = ''; 
1.375     foxr     1618:     my $printed = '';
1.284     albertel 1619:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   1620:     my $fullname = &get_name($username,$userdomain);
1.323     sakharuk 1621:     my $namepostfix;
1.288     albertel 1622:     if ($person =~ 'anon') {
1.323     sakharuk 1623: 	$namepostfix="\\\\Name: ";
1.288     albertel 1624: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   1625:     }
1.350     foxr     1626:     my $i           = 0;
1.284     albertel 1627:     #goes through all resources, checks if they are available for 
                   1628:     #current student, and produces output   
                   1629:     &Apache::lonnet::delenv('form.counter');
                   1630:     &Apache::lonxml::init_counter();
1.363     foxr     1631: 
1.364     albertel 1632:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1633: 
1.284     albertel 1634:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     1635: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     1636: 	    if($i != 0) {
                   1637: 		$current_output.= "\\newpage\n";
                   1638: 	    }
                   1639: 	}
                   1640: 	$i++;
1.284     albertel 1641: 	if ( !($type eq 'problems' && 
                   1642: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   1643: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   1644: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.305     sakharuk 1645: 		if ($res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1646: 		    $printed .= $curresline.':';
1.373     albertel 1647: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 1648: 		    my $lonidsdir=$r->dir_config('lonIDsDir');
1.373     albertel 1649: 		    my $envfile=$env{'user.environment'};
1.305     sakharuk 1650: 		    $envfile=~/\/([^\/]+)\.id$/;
                   1651: 		    $envfile=$1;
                   1652: 		    &Apache::lonnet::transfer_profile_to_env($lonidsdir,$envfile);
1.373     albertel 1653: 		    my $current_counter=$env{'form.counter'};
1.305     sakharuk 1654: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1655: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1656: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   1657: 			my %answerenv = %{$moreenv};
                   1658: 			$answerenv{'answer_output_mode'}='tex';
                   1659: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1660: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.305     sakharuk 1661: 			&Apache::lonnet::appenv(('form.counter' => $current_counter));
                   1662: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1663: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   1664: 			} else {
                   1665: 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1666: 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
                   1667: 			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
                   1668: 			    $rendered.='\vskip 1 mm '.$ansrendered;
                   1669: 			}
                   1670: 		    }
                   1671: 		    if ($remove_latex_header eq 'YES') {
                   1672: 			$rendered = &latex_header_footer_remove($rendered);
                   1673: 		    } else {
                   1674: 			$rendered =~ s/\\end{document}//;
                   1675: 		    }
                   1676: 		    $current_output .= $rendered;		    
                   1677: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
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 ($remove_latex_header eq 'YES') {
                   1687: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 1688: 		    } else {
1.305     sakharuk 1689: 			$rendered =~ s/\\end{document}//;
1.284     albertel 1690: 		    }
1.305     sakharuk 1691: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.284     albertel 1692: 		} else {
1.307     sakharuk 1693: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'});
1.305     sakharuk 1694: 		    if ($remove_latex_header ne 'NO') {
                   1695: 			$rendered = &latex_header_footer_remove($rendered);
                   1696: 		    } else {
                   1697: 			$rendered =~ s/\\end{document}//;
                   1698: 		    }
                   1699: 		    $current_output .= $rendered;
1.284     albertel 1700: 		}
                   1701: 	    }
                   1702: 	    $remove_latex_header = 'YES';
                   1703: 	}
1.331     albertel 1704: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1705:     }
                   1706:     my $courseidinfo = &get_course();
                   1707:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1708:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   1709:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   1710:     if ($current_output=~/\\documentclass/) {
1.334     albertel 1711: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{\\textit{\\textbf{$fullname}}$courseidinfo \\hfill \\thepage \\\\ \\textit{$currentassignment}$namepostfix}}\\vskip 5 mm /;
1.284     albertel 1712:     } else {
                   1713: 	my $blankpages = '';
                   1714: 	for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';}
1.334     albertel 1715: 	$current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$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 1716:     }
1.375     foxr     1717:     return ($current_output,$fullname, $printed);
1.284     albertel 1718: 
                   1719: }
1.140     sakharuk 1720: 
1.3       sakharuk 1721: sub handler {
                   1722: 
                   1723:     my $r = shift;
1.131     bowersj2 1724:     my $helper;
1.114     bowersj2 1725: 
1.150     sakharuk 1726: #    my $loaderror=&Apache::lonnet::overloaderror($r);
                   1727: #    if ($loaderror) { return $loaderror; }
                   1728: #    $loaderror=
                   1729: #       &Apache::lonnet::overloaderror($r,
1.373     albertel 1730: #         $env{'course.'.$env{'request.course.id'}.'.home'});
1.150     sakharuk 1731: #    if ($loaderror) { return $loaderror; }
1.67      www      1732: 
1.177     sakharuk 1733:     my $result = printHelper($r);
                   1734:     if (!ref($result)) {
                   1735: 	return $result;
1.60      sakharuk 1736:     }
1.177     sakharuk 1737:     $helper = $result;
                   1738:    
                   1739: #	my $key; 
                   1740: #	foreach $key (keys %{$helper->{'VARS'}}) {
                   1741: #	    $r->print(' '.$key.'->'.$helper->{'VARS'}->{$key}.'<-<br />');
                   1742: #	}
1.373     albertel 1743: #	foreach $key (keys %env) {
                   1744: #	    $r->print(' '.$key.'->'.$env{$key}.'<-<br />');
1.264     sakharuk 1745: #	}
1.177     sakharuk 1746: #	return OK;
1.184     sakharuk 1747: 
1.373     albertel 1748:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     1749:  
1.207     sakharuk 1750: #	my $key; 
1.200     sakharuk 1751: #	foreach $key (keys %parmhash) {
                   1752: #	    $r->print(' '.$key.'->'.$parmhash{$key}.'<-<br />');
                   1753: #	}
1.353     foxr     1754: #
1.350     foxr     1755: 
                   1756: 
1.367     foxr     1757:     #  If a figure conversion queue file exists for this user.domain
                   1758:     # we delete it since it can only be bad (if it were good, printout.pl
                   1759:     # would have deleted it the last time around.
                   1760: 
1.373     albertel 1761:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     1762:     if(-e $conversion_queuefile) {
                   1763: 	unlink $conversion_queuefile;
                   1764:     }
1.184     sakharuk 1765:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 1766:     return OK;
1.60      sakharuk 1767: } 
1.2       sakharuk 1768: 
1.131     bowersj2 1769: use Apache::lonhelper;
1.130     sakharuk 1770: 
1.223     bowersj2 1771: sub addMessage {
                   1772:     my $text = shift;
                   1773:     my $paramHash = Apache::lonhelper::getParamHash();
                   1774:     $paramHash->{MESSAGE_TEXT} = $text;
                   1775:     Apache::lonhelper::message->new();
                   1776: }
                   1777: 
1.238     bowersj2 1778: use Data::Dumper;
                   1779: 
1.131     bowersj2 1780: sub printHelper {
1.115     bowersj2 1781:     my $r = shift;
                   1782: 
                   1783:     if ($r->header_only) {
1.373     albertel 1784:         if ($env{'browser.mathml'}) {
1.241     www      1785:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 1786:         } else {
1.241     www      1787:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 1788:         }
                   1789:         $r->send_http_header;
                   1790:         return OK;
1.115     bowersj2 1791:     }
                   1792: 
1.131     bowersj2 1793:     # Send header, nocache
1.373     albertel 1794:     if ($env{'browser.mathml'}) {
1.241     www      1795:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 1796:     } else {
1.241     www      1797:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 1798:     }
                   1799:     &Apache::loncommon::no_cache($r);
                   1800:     $r->send_http_header;
                   1801:     $r->rflush();
                   1802: 
1.131     bowersj2 1803:     # Unfortunately, this helper is so complicated we have to
                   1804:     # write it by hand
                   1805: 
                   1806:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   1807:     
1.176     bowersj2 1808:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 1809:     $helper->declareVar('symb');
1.156     bowersj2 1810:     $helper->declareVar('postdata');    
1.290     sakharuk 1811:     $helper->declareVar('curseed'); 
                   1812:     $helper->declareVar('probstatus');   
1.156     bowersj2 1813:     $helper->declareVar('filename');
                   1814:     $helper->declareVar('construction');
1.178     sakharuk 1815:     $helper->declareVar('assignment');
1.262     sakharuk 1816:     $helper->declareVar('style_file');
1.340     foxr     1817:     $helper->declareVar('student_sort');
1.363     foxr     1818:     $helper->declareVar('FINISHPAGE');
1.366     foxr     1819:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     1820:     $helper->declareVar("showallfoils");
1.363     foxr     1821: 
                   1822:     #  The page breaks can get loaded initially from the course environment:
1.366     foxr     1823: 
1.373     albertel 1824:     if((!defined($env{"form.CURRENT_STATE"}))  ||
                   1825:        ($env{'form.CURRENT_STATE'} == "START")) {
1.366     foxr     1826: 	$helper->{VARS}->{FINISHPAGE} = ""; # In case they did a back e.g.
                   1827:     }
                   1828: 
                   1829: 
1.363     foxr     1830:     
                   1831:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     1832: 						{'pagebreaks'  => 'scalar',
                   1833: 					         'lastprinttype' => 'scalar'});
1.363     foxr     1834: 
1.366     foxr     1835:     
1.373     albertel 1836:     if("$helper->{VARS}->{PRINT_TYPE}" eq "$env{'form.lastprinttype'}") {
                   1837: 	$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.366     foxr     1838:     }
                   1839:     
1.131     bowersj2 1840:     
                   1841:     # This will persistently load in the data we want from the
                   1842:     # very first screen.
1.156     bowersj2 1843:     # Detect whether we're coming from construction space
1.373     albertel 1844:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 1845:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 1846:         $helper->{VARS}->{'construction'} = 1;
                   1847:     } else {
1.373     albertel 1848:         if ($env{'form.postdata'}) {
                   1849:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.156     bowersj2 1850:         }
1.373     albertel 1851:         if ($env{'form.symb'}) {
                   1852:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 1853:         }
1.373     albertel 1854:         if ($env{'form.url'}) {
1.156     bowersj2 1855:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   1856:         }
1.157     bowersj2 1857:     }
1.156     bowersj2 1858: 
1.373     albertel 1859:     if ($env{'form.symb'}) {
                   1860:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 1861:     }
1.373     albertel 1862:     if ($env{'form.url'}) {
1.140     sakharuk 1863:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 1864: 
1.140     sakharuk 1865:     }
1.343     albertel 1866:     $helper->{VARS}->{'symb'}=
                   1867: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 1868:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 1869:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.140     sakharuk 1870: 
1.156     bowersj2 1871:     
1.146     bowersj2 1872:     # Extract map
                   1873:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 1874:     my ($map, $id, $url);
                   1875:     my $subdir;
                   1876: 
                   1877:     # Get the resource name from construction space
                   1878:     if ($helper->{VARS}->{'construction'}) {
                   1879:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   1880:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   1881:         $subdir = substr($helper->{VARS}->{'filename'},
                   1882:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
                   1883:     } else {
1.233     www      1884:         ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.343     albertel 1885:         $helper->{VARS}->{'postdata'} = 
                   1886: 	    &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.146     bowersj2 1887: 
1.156     bowersj2 1888:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 1889:             my $postdata = $helper->{VARS}->{'postdata'};
                   1890:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 1891:         }
                   1892:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 1893:     }
1.373     albertel 1894:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   1895: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 1896:     }
1.373     albertel 1897:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   1898: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemtype'};
1.290     sakharuk 1899:     }
1.115     bowersj2 1900: 
1.192     bowersj2 1901:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
1.373     albertel 1902:     my $userPriviledged = ($env{'request.role'}=~m/^cc\./ or
                   1903: 			   $env{'request.role'}=~m/^in\./ or
                   1904: 			   $env{'request.role'}=~m/^ta\./);
1.192     bowersj2 1905: 
1.131     bowersj2 1906:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 1907: 
1.131     bowersj2 1908:     # "Delete everything after the last slash."
1.119     bowersj2 1909:     $subdir =~ s|/[^/]+$||;
1.162     sakharuk 1910:     if (not $helper->{VARS}->{'construction'}) {
1.302     sakharuk 1911: 	$subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir;
1.153     sakharuk 1912:     }
1.189     bowersj2 1913:     # "Remove all duplicate slashes."
                   1914:     $subdir =~ s|/+|/|g;
1.119     bowersj2 1915: 
1.131     bowersj2 1916:     # What can be printed is a very dynamic decision based on
                   1917:     # lots of factors. So we need to dynamically build this list.
                   1918:     # To prevent security leaks, states are only added to the wizard
                   1919:     # if they can be reached, which ensures manipulating the form input
                   1920:     # won't allow anyone to reach states they shouldn't have permission
                   1921:     # to reach.
                   1922: 
                   1923:     # printChoices is tracking the kind of printing the user can
                   1924:     # do, and will be used in a choices construction later.
                   1925:     # In the meantime we will be adding states and elements to
                   1926:     # the helper by hand.
                   1927:     my $printChoices = [];
                   1928:     my $paramHash;
1.130     sakharuk 1929: 
1.240     albertel 1930:     if ($resourceTitle) {
1.291     sakharuk 1931:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('what you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 1932:     }
                   1933: 
1.238     bowersj2 1934:     # Useful filter strings
1.287     albertel 1935:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 1936:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 1937:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   1938:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 1939:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   1940:     my $isMap = '$res->is_map()';
1.342     albertel 1941:     my $symbFilter = '$res->shown_symb()';
                   1942:     my $urlValue = '$res->link()';
1.238     bowersj2 1943: 
                   1944:     $helper->declareVar('SEQUENCE');
                   1945: 
                   1946:     # Useful for debugging: Dump the help vars
1.366     foxr     1947: #    $r->print(Dumper($helper->{VARS}));
                   1948: #    $r->print($map);
1.238     bowersj2 1949: 
1.131     bowersj2 1950:     # If we're in a sequence...
1.235     bowersj2 1951:     if (($helper->{'VARS'}->{'construction'} ne '1') &&
1.350     foxr     1952: 
1.243     bowersj2 1953: 	$helper->{VARS}->{'postdata'} &&
                   1954: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 1955:         # Allow problems from sequence
1.291     sakharuk 1956:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 1957:         # Allow all resources from sequence
1.291     sakharuk 1958:         push @{$printChoices}, ["<b>".&mt('Resources')."</b> ".&mt('in')." <b><i>$sequenceTitle</i></b>", 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.130     sakharuk 1959: 
1.131     bowersj2 1960:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 1961:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
                   1962:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1963:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1964:               closeallpages="1">
1.144     bowersj2 1965:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 1966:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 1967:       <mapurl>$map</mapurl>
1.238     bowersj2 1968:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1969:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1970:       </resource>
                   1971:     </state>
                   1972: 
1.155     sakharuk 1973:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
                   1974:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1975:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   1976:               closeallpages="1">
1.144     bowersj2 1977:       <nextstate>PAGESIZE</nextstate>
1.145     bowersj2 1978:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 1979:       <mapurl>$map</mapurl>
1.238     bowersj2 1980:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     1981:       <option text='Newpage' variable='FINISHPAGE' />
1.131     bowersj2 1982:       </resource>
                   1983:     </state>
                   1984: HELPERFRAGMENT
1.121     bowersj2 1985: 
1.326     sakharuk 1986: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 1987:     }
                   1988: 
1.354     foxr     1989:     # If the user is privileged, allow them to print all 
                   1990:     # problems and resources  in the entier course, optionally for selected students
1.306     sakharuk 1991:     if ($userPriviledged && 
                   1992:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.350     foxr     1993: 
1.254     sakharuk 1994:         push @{$printChoices}, ['<b>Problems</b> from <b>entire course</b>', 'all_problems', 'ALL_PROBLEMS'];
1.354     foxr     1995: 	push @{$printChoices}, ['<b>Resources</b> from <b>entire course</b>', 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 1996:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 1997:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
                   1998:     <message>(mark them then click "next" button) <br /></message>
1.287     albertel 1999:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2000: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2001:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2002:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2003:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2004:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2005:       <option text='Newpage' variable='FINISHPAGE' />
1.284     albertel 2006:     </resource>
                   2007:   </state>
1.354     foxr     2008:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2009:     <message>(Mark them then click "next" button) <br /> </message>
                   2010:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2011:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2012:       <nextstate>PAGESIZE</nextstate>
                   2013:       <filterfunc>return $isNotMap; </filterfunc>
                   2014:       <valuefunc>return $symbFilter;</valuefunc>
                   2015:       <option text='NewPage' variable='FINISHPAGE' />
                   2016:     </resource>
                   2017:   </state>
1.284     albertel 2018: ALL_PROBLEMS
1.132     bowersj2 2019: 
1.284     albertel 2020: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2021: 	    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'];
                   2022: 	    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 2023: 	}
                   2024: 	my $resource_selector=<<RESOURCE_SELECTOR;
                   2025:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2026:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2027:               closeallpages="1">
1.254     sakharuk 2028:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2029:       <mapurl>$map</mapurl>
1.254     sakharuk 2030:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2031:       <option text='New Page' variable='FINISHPAGE' />
1.147     bowersj2 2032:       </resource>
1.155     sakharuk 2033:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2034:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2035:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2036:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2037:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2038:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2039:     </choices>
                   2040:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   2041:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   2042: RESOURCE_SELECTOR
                   2043: 
                   2044:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2045:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.370     foxr     2046:       <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1"/>
1.352     foxr     2047:       <message><b>Select sort order</b> </message>
1.340     foxr     2048:     <choices variable='student_sort'>
                   2049:       <choice computer='0'>Sort by section then student</choice>
                   2050:       <choice computer='1'>Sort by students across sections.</choice>
                   2051:     </choices>
1.284     albertel 2052:     $resource_selector
                   2053:   </state>
1.131     bowersj2 2054: CHOOSE_STUDENTS
1.292     albertel 2055: 
1.373     albertel 2056: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2057: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2058:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2059: 	my $namechoice='<choice></choice>';
1.337     albertel 2060: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2061: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2062: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2063: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2064: 	}
1.381     albertel 2065: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2066: 	my $codechoice='';
                   2067: 	foreach my $line (<FH>) {
                   2068: 	    my ($name,$description,$code_type,$code_length)=
                   2069: 		(split(/:/,$line))[0,1,2,4];
                   2070: 	    if ($code_length > 0 && 
                   2071: 		$code_type =~/^(letter|number|-1)/) {
                   2072: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2073: 	    }
                   2074: 	}
                   2075: 	if ($codechoice eq '') {
                   2076: 	    $codechoice='<choice computer="default">Default</choice>';
                   2077: 	}
1.284     albertel 2078:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
                   2079:   <state name="CHOOSE_ANON1" title="Select Students and Resources">
1.288     albertel 2080:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 2081:     <message><hr width='33%' /></message>
                   2082:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   2083:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2084:        <validator>
                   2085: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2086: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                   2087:             !\$helper->{'VARS'}{'SINGLE_CODE'}) {
1.362     albertel 2088: 	    return "You need to specify the number of assignments to print";
                   2089: 	}
                   2090: 	return undef;
                   2091:        </validator>
                   2092:     </string>
                   2093:     <message></td></tr><tr><td></message>
1.382     foxr     2094:     <message><b>Value of CODE to print?</b></td><td></message>
                   2095:     <string variable="SINGLE_CODE" size="10" defaultvalue="zzzz">
                   2096:         <validator>
                   2097:            # Not sure of exact call context so...
                   2098: 	   use Apache::lonprintout;
                   2099: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                   2100: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   2101: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2102: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2103: 	   } else {
                   2104: 	       return undef;	# Other forces control us.
                   2105: 	   }
                   2106:         </validator>
                   2107:     </string>
                   2108:     <message></td></tr><tr><td></message>
1.362     albertel 2109:     <message><b>Names to store the CODEs under for later:</b></message>
                   2110:     <message></td><td></message>
1.288     albertel 2111:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.381     albertel 2112:     <message></td></tr><tr><td></message>
                   2113:     <message><b>Bubble sheet type:</b></message>
                   2114:     <message></td><td></message>
                   2115:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2116:     $codechoice
                   2117:     </dropdown>
1.362     albertel 2118:     <message></td></tr></table></message>
1.292     albertel 2119:     <message><hr width='33%' /></message>
                   2120:     <message><b>Reprint a set of saved CODEs:</b></message>
                   2121:     <dropdown variable="REUSE_OLD_CODES">
                   2122:         $namechoice
                   2123:     </dropdown>
1.284     albertel 2124:     <message><hr width='33%' /></message>
                   2125:     $resource_selector
                   2126:   </state>
                   2127: CHOOSE_ANON1
1.254     sakharuk 2128: 
1.272     sakharuk 2129: 
1.254     sakharuk 2130: 	if ($helper->{VARS}->{'assignment'}) {
1.291     sakharuk 2131: 	    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'];
                   2132: 	    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 2133: 	}
1.284     albertel 2134: 	    
                   2135: 
                   2136: 	$resource_selector=<<RESOURCE_SELECTOR;
1.254     sakharuk 2137:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2138:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2139:               closeallpages="1">
1.254     sakharuk 2140:       <filterfunc>return $isNotMap;</filterfunc>
                   2141:       <mapurl>$map</mapurl>
                   2142:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2143:       <option text='Newpage' variable='FINISHPAGE' />
1.254     sakharuk 2144:       </resource>
                   2145:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2146:     <choices variable="EMPTY_PAGES">
                   2147:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2148:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2149:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2150:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2151:     </choices>
                   2152:     <message><hr width='33%' /><b>Number of assignments printed at the same time: </b></message>
                   2153:     <string variable="NUMBER_TO_PRINT" maxlength="5" size="5"><defaultvalue>"all"</defaultvalue></string>
                   2154: RESOURCE_SELECTOR
                   2155: 
                   2156: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2157:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.370     foxr     2158:     <student multichoice='1' variable="STUDENTS" nextstate="PAGESIZE" coursepersonnel="1" />
1.340     foxr     2159:     <choices variable='student_sort'>
                   2160:       <choice computer='0'>Sort by section then student</choice>
                   2161:       <choice computer='1'>Sort by students across sections.</choice>
                   2162:     </choices>
                   2163: 
1.284     albertel 2164:     $resource_selector
1.254     sakharuk 2165:     </state>
                   2166: CHOOSE_STUDENTS1
                   2167: 
1.284     albertel 2168: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
                   2169:   <state name="CHOOSE_ANON2" title="Select Students and Resources">
1.294     albertel 2170:     <nextstate>PAGESIZE</nextstate>
1.362     albertel 2171:     <message><table><tr><td><b>Number of anonymous assignments to print?</b></td><td></message>
                   2172:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2173:        <validator>
                   2174: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                   2175: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}) {
                   2176: 	    return "You need to specify the number of assignments to print";
                   2177: 	}
                   2178: 	return undef;
                   2179:        </validator>
                   2180:     </string>
                   2181:     <message></td></tr><tr><td></message>
                   2182:     <message><b>Names to store the CODEs under for later:</b></message>
                   2183:     <message></td><td></message>
1.294     albertel 2184:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
1.381     albertel 2185:     <message></td></tr><tr><td></message>
                   2186:     <message><b>Bubble sheet type:</b></message>
                   2187:     <message></td><td></message>
                   2188:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2189:     $codechoice
                   2190:     </dropdown>
1.362     albertel 2191:     <message></td></tr></table></message>
1.294     albertel 2192:     <message><hr width='33%' /></message>
                   2193:     <message><b>Reprint a set of saved CODEs:</b></message>
                   2194:     <dropdown variable="REUSE_OLD_CODES">
                   2195:         $namechoice
                   2196:     </dropdown>
1.284     albertel 2197:     <message><hr width='33%' /></message>
                   2198:     $resource_selector
                   2199:   </state>
                   2200: CHOOSE_ANON2
1.121     bowersj2 2201:     }
                   2202: 
                   2203:     # FIXME: That RE should come from a library somewhere.
1.373     albertel 2204:     if ((((&Apache::lonnet::allowed('bre',$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 $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/') {    
1.291     sakharuk 2205:         push @{$printChoices}, ["<b>".&mt('Problems')."</b> ".&mt('from current subdirectory')." <b><i>$subdir</i></b>", 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.238     bowersj2 2206: 
1.131     bowersj2 2207:         my $f = '$filename';
1.139     bowersj2 2208:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.155     sakharuk 2209:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$subdir</small></b> to print">
                   2210:     <message>(mark them then click "next" button) <br /></message>
1.138     bowersj2 2211:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 2212:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 2213:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 2214: CHOOSE_FROM_SUBDIR
                   2215:         
1.238     bowersj2 2216:         # this is broken up because I really want interpolation above,
                   2217:         # and I really DON'T want it below
1.139     bowersj2 2218:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 2219:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   2220: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 2221:       </filefilter>
1.138     bowersj2 2222:       </files>
1.131     bowersj2 2223:     </state>
                   2224: CHOOSE_FROM_SUBDIR
1.139     bowersj2 2225:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 2226:     }
1.238     bowersj2 2227: 
                   2228:     # Allow the user to select any sequence in the course, feed it to
                   2229:     # another resource selector for that sequence
1.239     bowersj2 2230:     if (!$helper->{VARS}->{'construction'}) {
1.254     sakharuk 2231: 	push @$printChoices, ["<b>Resources</b> from <b>selected sequence</b> in course",
1.249     sakharuk 2232: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 2233: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   2234: 	#Escape apostrophes and backslashes for Perl
                   2235: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   2236: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 2237: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 2238:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   2239:     <message>Select the sequence to print resources from:</message>
                   2240:     <resource variable="SEQUENCE">
                   2241:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   2242:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   2243:       <valuefunc>return $urlValue;</valuefunc>
1.350     foxr     2244:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2245:       </resource>
                   2246:     </state>
                   2247:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   2248:     <message>(mark desired resources then click "next" button) <br /></message>
1.287     albertel 2249:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
                   2250:               closeallpages="1">
1.238     bowersj2 2251:       <nextstate>PAGESIZE</nextstate>
                   2252:       <filterfunc>return $isProblem</filterfunc>
1.244     bowersj2 2253:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 2254:       <valuefunc>return $symbFilter;</valuefunc>
1.350     foxr     2255:       <option text='Newpage' variable='FINISHPAGE' />
1.238     bowersj2 2256:       </resource>
                   2257:     </state>
                   2258: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 2259: }
1.131     bowersj2 2260: 
                   2261:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 2262:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 2263:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 2264:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 2265:     Apache::lonhelper::message->new();
                   2266:     $paramHash = Apache::lonhelper::getParamHash();
                   2267:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   2268:     $paramHash->{CHOICES} = $printChoices;
                   2269:     Apache::lonhelper::choices->new();
1.161     bowersj2 2270: 
1.223     bowersj2 2271:     my $startedTable = 0; # have we started an HTML table yet? (need
                   2272:                           # to close it later)
                   2273: 
1.373     albertel 2274:     if (($env{'request.role.adv'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 2275: 	($helper->{VARS}->{'construction'} eq '1')) {
1.242     sakharuk 2276: 	addMessage("<hr width='33%' /><table><tr><td align='right'>Print: </td><td>");
1.161     bowersj2 2277:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 2278: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   2279: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 2280:         $paramHash->{CHOICES} = [
1.242     sakharuk 2281:                                    ['Without Answers', 'yes'],
                   2282:                                    ['With Answers', 'no'],
1.368     albertel 2283:                                    ['Only Answers', 'only']
1.289     sakharuk 2284:                                 ];
1.210     sakharuk 2285:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2286: 	addMessage("</td></tr>");
                   2287: 	$startedTable = 1;
1.161     bowersj2 2288:     }
1.209     sakharuk 2289: 
1.373     albertel 2290:     if ($env{'request.role.adv'}) {
1.223     bowersj2 2291: 	if (!$startedTable) {
                   2292: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>LaTeX mode: </td><td>");
                   2293: 	    $startedTable = 1;
                   2294: 	} else {
                   2295: 	    addMessage("<tr><td align='right'>LaTeX mode: </td><td>");
                   2296: 	}
1.203     sakharuk 2297:         $paramHash = Apache::lonhelper::getParamHash();
                   2298: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   2299: 	$helper->declareVar('LATEX_TYPE');  
                   2300: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   2301: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2302: 				     ['standard LaTeX mode', 'standard'], 
                   2303: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 2304: 	} else {
                   2305: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2306: 				     ['LaTeX batchmode', 'batchmode'],
                   2307: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 2308: 	}
1.210     sakharuk 2309:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 2310:  
1.223     bowersj2 2311: 	addMessage("</td></tr><tr><td align='right'>Print Table of Contents: </td><td>");
1.209     sakharuk 2312:         $paramHash = Apache::lonhelper::getParamHash();
                   2313: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   2314: 	$helper->declareVar('TABLE_CONTENTS');         
                   2315:         $paramHash->{CHOICES} = [
1.223     bowersj2 2316:                                    ['No', 'no'],
                   2317:                                    ['Yes', 'yes'] ];
1.210     sakharuk 2318:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 2319: 	addMessage("</td></tr>");
1.214     sakharuk 2320:         
1.220     sakharuk 2321: 	if (not $helper->{VARS}->{'construction'}) {
1.223     bowersj2 2322: 	    addMessage("<tr><td align='right'>Print Index: </td><td>");
1.220     sakharuk 2323: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2324: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   2325: 	    $helper->declareVar('TABLE_INDEX');         
                   2326: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 2327: 				     ['No', 'no'],
                   2328: 				     ['Yes', 'yes'] ];
1.220     sakharuk 2329: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 2330: 	    addMessage("</td></tr>");
1.309     sakharuk 2331: 	    addMessage("<tr><td align='right'>Print Discussions: </td><td>");
                   2332: 	    $paramHash = Apache::lonhelper::getParamHash();
                   2333: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   2334: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   2335: 	    $paramHash->{CHOICES} = [
                   2336: 				     ['No', 'no'],
                   2337: 				     ['Yes', 'yes'] ];
                   2338: 	    Apache::lonhelper::dropdown->new();
                   2339: 	    addMessage("</td></tr>");
1.372     foxr     2340: 
                   2341:             #  If advanced roles, then allow to show all foils.
                   2342: 
1.374     albertel 2343:             if ($env{'request.role.adv'}) {
1.372     foxr     2344: 		addMessage("<tr><td align = 'right'>  </td><td>");
                   2345: 		$paramHash = Apache::lonhelper::getParamHash();
                   2346: 		$paramHash->{'multichoice'} = "true";
                   2347: 		$paramHash->{'allowempty'}  = "true";
                   2348: 		$paramHash->{'variable'}   = "showallfoils";
                   2349: 		$paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   2350: 		Apache::lonhelper::choices->new();
                   2351: 		addMessage("</td></tr>");
                   2352:             }
                   2353: 
1.220     sakharuk 2354: 	}
1.219     sakharuk 2355: 
1.230     albertel 2356: 	if ($helper->{'VARS'}->{'construction'}) { 
1.373     albertel 2357: 	    my $stylevalue=$env{'construct.style'};
1.265     sakharuk 2358: 	    my $xmlfrag .= <<"RNDSEED";
1.290     sakharuk 2359: 	    <message><tr><td align='right'>Use random seed:  </td><td></message>
1.230     albertel 2360: 	    <string variable="curseed" size="15" maxlength="15">
                   2361: 		<defaultvalue>
                   2362: 	            return $helper->{VARS}->{'curseed'};
                   2363: 	        </defaultvalue>
1.262     sakharuk 2364: 	    </string>
1.264     sakharuk 2365: 	     <message></td></tr><tr><td align="right">Use style file:</td><td></message>
1.378     albertel 2366:              <message><input type="text" size="40" name="style_file_value" value="$stylevalue"  />&nbsp; <a href="javascript:openbrowser('helpform','style_file','sty')">Select style file</a> </td><tr><td></message>
1.371     foxr     2367: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
                   2368:                 <choice computer="1">Show all foils?</choice>
                   2369:              </choices>
1.378     albertel 2370: 	     <message></td></tr></message>
1.230     albertel 2371: RNDSEED
                   2372:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.373     albertel 2373: 	    $helper->{'VARS'}->{'style_file'}=$env{'form.style_file_value'};
1.371     foxr     2374: 	    
1.372     foxr     2375: 	} 
                   2376: 
1.223     bowersj2 2377:     }
1.264     sakharuk 2378: 
                   2379: 
                   2380: 
1.218     sakharuk 2381: 
1.223     bowersj2 2382:     if ($startedTable) {
                   2383: 	addMessage("</table>");
1.215     sakharuk 2384:     }
1.161     bowersj2 2385: 
1.131     bowersj2 2386:     Apache::lonprintout::page_format_state->new("FORMAT");
                   2387: 
1.144     bowersj2 2388:     # Generate the PAGESIZE state which will offer the user the margin
                   2389:     # choices if they select one column
                   2390:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   2391:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   2392: 
                   2393: 
1.131     bowersj2 2394:     $helper->process();
                   2395: 
                   2396:     # MANUAL BAILOUT CONDITION:
                   2397:     # If we're in the "final" state, bailout and return to handler
                   2398:     if ($helper->{STATE} eq 'FINAL') {
                   2399:         return $helper;
                   2400:     }    
1.130     sakharuk 2401: 
1.131     bowersj2 2402:     $r->print($helper->display());
1.130     sakharuk 2403: 
1.333     albertel 2404:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 2405: 
                   2406:     return OK;
                   2407: }
                   2408: 
1.1       www      2409: 
                   2410: 1;
1.119     bowersj2 2411: 
                   2412: package Apache::lonprintout::page_format_state;
                   2413: 
                   2414: =pod
                   2415: 
1.131     bowersj2 2416: =head1 Helper element: page_format_state
                   2417: 
                   2418: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 2419: 
1.131     bowersj2 2420: Apache::lonprintout::page_format_state is an element that gives the 
                   2421: user an opportunity to select the page layout they wish to print 
                   2422: with: Number of columns, portrait/landscape, and paper size. If you 
                   2423: want to change the paper size choices, change the @paperSize array 
                   2424: contents in this package.
1.119     bowersj2 2425: 
1.131     bowersj2 2426: page_format_state is always directly invoked in lonprintout.pm, so there
                   2427: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 2428: 
                   2429: =over 4
                   2430: 
1.131     bowersj2 2431: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 2432: 
                   2433: =back
                   2434: 
                   2435: =cut
                   2436: 
1.131     bowersj2 2437: use Apache::lonhelper;
1.119     bowersj2 2438: 
                   2439: no strict;
1.131     bowersj2 2440: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 2441: use strict;
1.266     sakharuk 2442: use Apache::lonlocal;
1.373     albertel 2443: use Apache::lonnet;
1.119     bowersj2 2444: 
                   2445: my $maxColumns = 2;
1.376     albertel 2446: # it'd be nice if these all worked
                   2447: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   2448: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   2449: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   2450: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 2451: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 2452: 		 "a4 [210x297 mm]");
1.119     bowersj2 2453: 
                   2454: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   2455: #                   Paper type
                   2456: 
                   2457: sub new { 
1.131     bowersj2 2458:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 2459: 
1.135     bowersj2 2460:     shift;
                   2461: 
1.131     bowersj2 2462:     $self->{'variable'} = shift;
1.134     bowersj2 2463:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 2464:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 2465:     bless($self);
1.119     bowersj2 2466:     return $self;
                   2467: }
                   2468: 
                   2469: sub render {
                   2470:     my $self = shift;
1.131     bowersj2 2471:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 2472:     my $result = '';
1.131     bowersj2 2473:     my $var = $self->{'variable'};
1.266     sakharuk 2474:     my $PageLayout=&mt('Page layout');
                   2475:     my $NumberOfColumns=&mt('Number of columns');
                   2476:     my $PaperType=&mt('Paper type');
1.119     bowersj2 2477:     $result .= <<STATEHTML;
                   2478: 
1.223     bowersj2 2479: <hr width="33%" />
1.119     bowersj2 2480: <table cellpadding="3">
                   2481:   <tr>
1.266     sakharuk 2482:     <td align="center"><b>$PageLayout</b></td>
                   2483:     <td align="center"><b>$NumberOfColumns</b></td>
                   2484:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 2485:   </tr>
                   2486:   <tr>
                   2487:     <td>
1.376     albertel 2488:       <label><input type="radio" name="${var}.layout" value="L" /> Landscape </label><br />
                   2489:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> Portrait </label>
1.119     bowersj2 2490:     </td>
1.155     sakharuk 2491:     <td align="center">
1.119     bowersj2 2492:       <select name="${var}.cols">
                   2493: STATEHTML
                   2494: 
                   2495:     my $i;
                   2496:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 2497:         if ($i == 2) {
1.119     bowersj2 2498:             $result .= "<option value='$i' selected>$i</option>\n";
                   2499:         } else {
                   2500:             $result .= "<option value='$i'>$i</option>\n";
                   2501:         }
                   2502:     }
                   2503: 
                   2504:     $result .= "</select></td><td>\n";
                   2505:     $result .= "<select name='${var}.paper'>\n";
                   2506: 
1.373     albertel 2507:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.304     sakharuk 2508:     my $DefaultPaperSize=$parmhash{'default_paper_size'};
                   2509:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 2510:     $i = 0;
                   2511:     foreach (@paperSize) {
1.326     sakharuk 2512: 	$_=~/(\w+)/;
                   2513: 	my $papersize=$1;
1.304     sakharuk 2514:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 2515:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2516:         } else {
1.326     sakharuk 2517:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 2518:         }
                   2519:         $i++;
                   2520:     }
                   2521:     $result .= "</select></td></tr></table>";
                   2522:     return $result;
1.135     bowersj2 2523: }
                   2524: 
                   2525: sub postprocess {
                   2526:     my $self = shift;
                   2527: 
                   2528:     my $var = $self->{'variable'};
1.136     bowersj2 2529:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 2530:     $helper->{VARS}->{$var} = 
1.373     albertel 2531:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   2532:         $env{"form.$var.paper"};
1.135     bowersj2 2533:     return 1;
1.119     bowersj2 2534: }
                   2535: 
                   2536: 1;
1.144     bowersj2 2537: 
                   2538: package Apache::lonprintout::page_size_state;
                   2539: 
                   2540: =pod
                   2541: 
                   2542: =head1 Helper element: page_size_state
                   2543: 
                   2544: See lonhelper.pm documentation for discussion of the helper framework.
                   2545: 
                   2546: Apache::lonprintout::page_size_state is an element that gives the 
                   2547: user the opportunity to further refine the page settings if they
                   2548: select a single-column page.
                   2549: 
                   2550: page_size_state is always directly invoked in lonprintout.pm, so there
                   2551: is no tag interface. You actually pass parameters to the constructor.
                   2552: 
                   2553: =over 4
                   2554: 
                   2555: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   2556: 
                   2557: =back
                   2558: 
                   2559: =cut
                   2560: 
                   2561: use Apache::lonhelper;
1.373     albertel 2562: use Apache::lonnet;
1.144     bowersj2 2563: no strict;
                   2564: @ISA = ("Apache::lonhelper::element");
                   2565: use strict;
                   2566: 
                   2567: 
                   2568: 
                   2569: sub new { 
                   2570:     my $self = Apache::lonhelper::element->new();
                   2571: 
                   2572:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   2573:            # package descriptor)... - Jeremy
                   2574: 
                   2575:     $self->{'variable'} = shift;
                   2576:     my $helper = Apache::lonhelper::getHelper();
                   2577:     $helper->declareVar($self->{'variable'});
                   2578: 
                   2579:     # The variable name of the format element, so we can look into 
                   2580:     # $helper->{VARS} to figure out whether the columns are one or two
                   2581:     $self->{'formatvar'} = shift;
                   2582: 
                   2583:     # The state to transition to after selection, or after discovering
                   2584:     # the cols are not set to 1
                   2585:     $self->{NEXTSTATE} = shift;
                   2586:     bless($self);
                   2587:     return $self;
                   2588: }
                   2589: 
                   2590: sub render {
                   2591:     my $self = shift;
                   2592:     my $helper = Apache::lonhelper::getHelper();
                   2593:     my $result = '';
                   2594:     my $var = $self->{'variable'};
                   2595: 
                   2596:     if (defined $self->{ERROR_MSG}) {
                   2597:         $result .= '<br /><font color="#FF0000">' . $self->{ERROR_MSG} . '</font><br />';
                   2598:     }
                   2599: 
                   2600:     $result .= <<ELEMENTHTML;
                   2601: 
                   2602: <p>How should the column be formatted?</p>
                   2603: 
                   2604: <table cellpadding='3'>
                   2605:   <tr>
                   2606:     <td align='right'><b>Width</b>:</td>
                   2607:     <td align='left'><input type='text' name='$var.width' value='18' size='4'></td>
                   2608:     <td align='left'>
                   2609:       <select name='$var.widthunit'>
                   2610:         <option>cm</option><option>in</option>
                   2611:       </select>
                   2612:     </td>
                   2613:   </tr>
                   2614:   <tr>
                   2615:     <td align='right'><b>Height</b>:</td>
                   2616:     <td align='left'><input type='text' name="$var.height" value="25.9" size='4'></td>
                   2617:     <td align='left'>
                   2618:       <select name='$var.heightunit'>
                   2619:         <option>cm</option><option>in</option>
                   2620:       </select>
                   2621:     </td>
                   2622:   </tr>
                   2623:   <tr>
                   2624:     <td align='right'><b>Left margin</b>:</td>
                   2625:     <td align='left'><input type='text' name='$var.lmargin' value='-1.5' size='4'></td>
                   2626:     <td align='left'>
1.186     bowersj2 2627:       <select name='$var.lmarginunit'>
1.144     bowersj2 2628:         <option>cm</option><option>in</option>
                   2629:       </select>
                   2630:     </td>
                   2631:   </tr>
                   2632: </table>
                   2633: 
                   2634: <p>Hint: Some instructors like to leave scratch space for the student by
1.280     albertel 2635: making the width much smaller than the width of the page.</p>
1.144     bowersj2 2636: 
                   2637: ELEMENTHTML
                   2638: 
                   2639:     return $result;
                   2640: }
                   2641: 
                   2642: # If the user didn't select 1 column, skip this state.
                   2643: sub preprocess {
                   2644:     my $self = shift;
                   2645:     my $helper = Apache::lonhelper::getHelper();
                   2646: 
                   2647:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   2648:     if (substr($format, 2, 1) ne '1') {
                   2649:         $helper->changeState($self->{NEXTSTATE});
                   2650:     }
                   2651:    
                   2652:     return 1;
                   2653: }
                   2654: 
                   2655: sub postprocess {
                   2656:     my $self = shift;
                   2657: 
                   2658:     my $var = $self->{'variable'};
                   2659:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 2660:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   2661:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   2662:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   2663:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   2664:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   2665:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 2666: 
                   2667:     my $error = '';
                   2668: 
                   2669:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   2670:     # by an optional period, followed by digits, ending the string
                   2671: 
                   2672:     if ($width !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2673:         $error .= "Invalid width; please type only a number.<br />\n";
                   2674:     }
                   2675:     if ($height !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2676:         $error .= "Invalid height; please type only a number.<br />\n";
                   2677:     }
                   2678:     if ($lmargin !~  /^-?[0-9]+(\.[0-9]*)?$/) {
                   2679:         $error .= "Invalid left margin; please type only a number.<br />\n";
                   2680:     }
                   2681: 
                   2682:     if (!$error) {
                   2683:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   2684:         return 1;
                   2685:     } else {
                   2686:         $self->{ERROR_MSG} = $error;
                   2687:         return 0;
                   2688:     }
                   2689: }
                   2690: 
                   2691: 
1.119     bowersj2 2692: 
1.1       www      2693: __END__
1.6       sakharuk 2694: 

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