Annotation of loncom/interface/lonprintout.pm, revision 1.521

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.521   ! foxr        4: # $Id: lonprintout.pm,v 1.520 2008/03/12 02:45:07 raeburn 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: # http://www.lon-capa.org/
                     26: #
1.3       sakharuk   27: #
1.1       www        28: package Apache::lonprintout;
                     29: 
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521   ! foxr       41: use Apache::lonenc;
1.515     foxr       42: use HTTP::Response;
1.511     foxr       43: 
1.491     albertel   44: use LONCAPA::map();
1.34      sakharuk   45: use POSIX qw(strftime);
1.255     www        46: use Apache::lonlocal;
1.429     foxr       47: use Carp;
1.439     www        48: use LONCAPA;
1.60      sakharuk   49: 
1.397     albertel   50: my %perm;
1.454     foxr       51: my %parmhash;
1.459     foxr       52: my $resources_printed;
1.454     foxr       53: 
1.515     foxr       54: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     55: #
                     56: 
                     57: my $ssi_error;			# True if there was an ssi error.
                     58: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     59: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     60: 
                     61: #
                     62: #  Our ssi max retry count.
                     63: #
                     64: 
                     65: my $ssi_retry_count = 5;	# Some arbitrary value.
                     66: 
                     67: 
                     68: 
1.498     foxr       69: # Fetch the contents of a resource, uninterpreted.
                     70: # This is used here to fetch a latex file to be included
                     71: # verbatim into the printout<
                     72: # NOTE: Ask Guy if there is a lonnet function similar to this?
                     73: #
                     74: # Parameters:
                     75: #   URL of the file
                     76: #
                     77: sub fetch_raw_resource {
                     78:     my ($url) = @_;
                     79: 
                     80:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr       81:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr       82: 
1.500     foxr       83:     if ($contents == -1) {
                     84: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr       85:     }
1.500     foxr       86:     return $contents;
1.498     foxr       87: 
                     88:     
                     89: }
                     90: 
1.511     foxr       91: #  Fetch the annotations associated with a URL and 
                     92: #  put a centered 'annotations:' title.
                     93: #  This is all suppressed if the annotations are empty.
                     94: #
                     95: sub annotate {
                     96:     my ($symb) = @_;
                     97: 
                     98:     my $annotation_text = &Apache::admannotations::get_annotation($symb, 1);
                     99: 
                    100: 
                    101:     my $result = "";
                    102: 
                    103:     if (length($annotation_text) > 0) {
                    104: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    105: 	$result .= "\n";
                    106: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    107: 	$result .= "\n\n";
                    108:     }
                    109:     return $result;
                    110: }
                    111: 
1.515     foxr      112: 
                    113: #
                    114: #   ssi_with_retries - Does the server side include of a resource.
                    115: #                      if the ssi call returns an error we'll retry it up to
                    116: #                      the number of times requested by the caller.
                    117: #                      If we still have a proble, no text is appended to the
                    118: #                      output and we set some global variables.
                    119: #                      to indicate to the caller an SSI error occured.  
                    120: #                      All of this is supposed to deal with the issues described
                    121: #                      in LonCAPA BZ 5631 see:
                    122: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    123: #                      by informing the user that this happened.
                    124: #
                    125: # Parameters:
                    126: #   resource   - The resource to include.  This is passed directly, without
                    127: #                interpretation to lonnet::ssi.
                    128: #   form       - The form hash parameters that guide the interpretation of the resource
                    129: #                
                    130: #   retries    - Number of retries allowed before giving up completely.
                    131: # Returns:
                    132: #   On success, returns the rendered resource identified by the resource parameter.
                    133: # Side Effects:
                    134: #   The following global variables can be set:
                    135: #    ssi_error                - If an unrecoverable error occured this becomes true.
                    136: #                               It is up to the caller to initialize this to false
                    137: #                               if desired.
                    138: #    ssi_last_error_resource  - If an unrecoverable error occured, this is the value
                    139: #                               of the resource that could not be rendered by the ssi
                    140: #                               call.
                    141: #    ssi_last_error           - The error string fetched from the ssi response
                    142: #                               in the event of an error.
                    143: #
                    144: sub ssi_with_retries {
                    145:     my ($resource, $retries, %form) = @_;
                    146: 
                    147: 
1.516     foxr      148:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    149:     if (!$response->is_success) {
1.515     foxr      150: 	$ssi_error               = 1;
                    151: 	$ssi_last_error_resource = $resource;
1.516     foxr      152: 	$ssi_last_error          = $response->code . " " . $response->message;
1.519     foxr      153: 	
                    154: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      155:     }
1.516     foxr      156: 
                    157:     return $content;
                    158: 
1.515     foxr      159: }
                    160: 
1.486     foxr      161: #
                    162: #   printf_style_subst  item format_string repl
                    163: #  
                    164: # Does printf style substitution for a format string that
                    165: # can have %[n]item in it.. wherever, %[n]item occurs,
                    166: # rep is substituted in format_string.  Note that
                    167: # [n] is an optional integer length.  If provided,
                    168: # repl is truncated to at most [n] characters prior to 
                    169: # substitution.
                    170: #
                    171: sub printf_style_subst {
                    172:     my ($item, $format_string, $repl) = @_;
1.490     foxr      173:     my $result = "";
                    174:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  175: 	my $fmt = $1;
                    176: 	my $size = $2;
1.486     foxr      177: 	my $subst = $repl;
                    178: 	if ($size ne "") {
                    179: 	    $subst = substr($subst, 0, $size);
1.490     foxr      180: 	    
                    181: 	    #  Here's a nice edge case.. supose the end of the
                    182: 	    #  substring is a \.  In that case may have  just
                    183: 	    #  chopped off a TeX escape... in that case, we append
                    184: 	    #   " " for the trailing character, and let the field 
                    185: 	    #  spill over a bit (sigh).
                    186: 	    #  We don't just chop off the last character in order to deal
                    187: 	    #  with one last pathology, and that would be if substr had
                    188: 	    #  trimmed us to e.g. \\\  
                    189: 
                    190: 
                    191: 	    if ($subst =~ /\\$/) {
                    192: 		$subst .= " ";
                    193: 	    }
1.486     foxr      194: 	}
1.490     foxr      195: 	my $item_pos = pos($format_string);
                    196: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    197:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      198:     }
1.490     foxr      199: 
                    200:     # Put the residual format string into the result:
                    201: 
                    202:     $result .= $format_string;
                    203: 
                    204:     return $result;
1.486     foxr      205: }
                    206: 
1.454     foxr      207: 
                    208: # Format a header according to a format.  
                    209: # 
                    210: 
                    211: # Substitutions:
                    212: #     %a    - Assignment name.
                    213: #     %c    - Course name.
                    214: #     %n    - Student name.
                    215: #
                    216: sub format_page_header {
1.486     foxr      217:     my ($width, $format, $assignment, $course, $student) = @_;
1.454     foxr      218:     
1.486     foxr      219:     $width = &recalcto_mm($width); # Get width in mm.
1.454     foxr      220:     #  Default format?
                    221: 
                    222:     if ($format eq '') {
1.486     foxr      223: 	# For the default format, we may need to truncate
                    224: 	# elements..  To do this we need to get the page width.
                    225: 	# we assume that each character is about 2mm in width.
                    226: 	# (correct for the header text size??).  We ignore
                    227: 	# any formatting (e.g. boldfacing in this).
                    228: 	# 
                    229: 	# - Allow the student/course to be one line.
                    230: 	#   but only truncate the course.
                    231: 	# - Allow the assignment to be 2 lines (wrapped).
                    232: 	#
                    233: 	my $chars_per_line = $width/2; # Character/textline.
                    234: 
                    235: 
                    236: 	my $firstline = "$student $course";
                    237: 	if (length($firstline) > $chars_per_line) {
                    238: 	    my $lastchar = $chars_per_line - length($student) - 1;
                    239: 	    if ($lastchar > 0) {
                    240: 		$course = substr($course, 0, $lastchar);
                    241: 	    } else {		# Nothing left of course:
                    242: 		$course = '';
                    243: 	    }
                    244: 	}
                    245: 	if (length($assignment) > $chars_per_line) {
                    246: 	    $assignment = substr($assignment, 0, $chars_per_line);
                    247: 	}
                    248: 	
1.454     foxr      249: 	$format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
                    250: 	
                    251:     } else {
1.486     foxr      252: 	# An open question is how to handle long user formatted page headers...
                    253: 	# A possible future is to support e.g. %na so that the user can control
                    254: 	# the truncation of the elements that can appear in the header.
                    255: 	#
                    256: 	$format =  &printf_style_subst("a", $format, $assignment);
                    257: 	$format =  &printf_style_subst("c", $format, $course);
                    258: 	$format =  &printf_style_subst("n", $format, $student);
1.489     foxr      259: 
                    260: 	# If the user put %'s in the format string, they  must be escaped
                    261: 	# to \% else LaTeX will think they are comments and terminate
                    262: 	# the line.. which is bad!!!
                    263: 
1.490     foxr      264: 
1.454     foxr      265:     }
                    266:     
                    267: 
                    268:     return $format;
                    269:     
                    270: }
1.397     albertel  271: 
1.385     foxr      272: #
                    273: #   Convert a numeric code to letters
                    274: #
                    275: sub num_to_letters {
                    276:     my ($num) = @_;
                    277:     my @nums= split('',$num);
                    278:     my @num_to_let=('A'..'Z');
                    279:     my $word;
                    280:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    281:     return $word;
                    282: }
                    283: #   Convert a letter code to numeric.
                    284: #
                    285: sub letters_to_num {
                    286:     my ($letters) = @_;
                    287:     my @letters = split('', uc($letters));
1.490     foxr      288:    my %substitution;
1.385     foxr      289:     my $digit = 0;
                    290:     foreach my $letter ('A'..'J') {
                    291: 	$substitution{$letter} = $digit;
                    292: 	$digit++;
                    293:     }
                    294:     #  The substitution is done as below to preserve leading
                    295:     #  zeroes which are needed to keep the code size exact
                    296:     #
                    297:     my $result ="";
                    298:     foreach my $letter (@letters) {
                    299: 	$result.=$substitution{$letter};
                    300:     }
                    301:     return $result;
                    302: }
                    303: 
1.383     foxr      304: #  Determine if a code is a valid numeric code.  Valid
                    305: #  numeric codes must be comprised entirely of digits and
1.384     albertel  306: #  have a correct number of digits.
1.383     foxr      307: #
                    308: #  Parameters:
                    309: #     value      - proposed code value.
1.384     albertel  310: #     num_digits - Number of digits required.
1.383     foxr      311: #
                    312: sub is_valid_numeric_code {
1.384     albertel  313:     my ($value, $num_digits) = @_;
1.383     foxr      314:     #   Remove leading/trailing whitespace;
1.387     foxr      315:     $value =~ s/^\s*//g;
                    316:     $value =~ s/\s*$//g;
1.383     foxr      317:     
                    318:     #  All digits?
1.387     foxr      319:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      320: 	return "Numeric code $value has invalid characters - must only be digits";
                    321:     }
1.384     albertel  322:     if (length($value) != $num_digits) {
                    323: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    324:     }
1.385     foxr      325:     return undef;
1.383     foxr      326: }
                    327: #   Determines if a code is a valid alhpa code.  Alpha codes
                    328: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  329: #   They also have a correct digit count.
1.383     foxr      330: # Parameters:
                    331: #     value          - Proposed code value.
1.384     albertel  332: #     num_letters    - correct number of letters.
1.383     foxr      333: # Note:
                    334: #    leading and trailing whitespace are ignored.
                    335: #
                    336: sub is_valid_alpha_code {
1.384     albertel  337:     my ($value, $num_letters) = @_;
1.383     foxr      338:     
                    339:      # strip leading and trailing spaces.
                    340: 
                    341:     $value =~ s/^\s*//g;
                    342:     $value =~ s/\s*$//g;
                    343: 
                    344:     #  All alphas in the right range?
1.384     albertel  345:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      346: 	return "Invalid letter code $value must only contain A-J";
                    347:     }
1.384     albertel  348:     if (length($value) != $num_letters) {
                    349: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    350:     }
1.385     foxr      351:     return undef;
1.383     foxr      352: }
                    353: 
1.382     foxr      354: #   Determine if a code entered by the user in a helper is valid.
                    355: #   valid depends on the code type and the type of code selected.
                    356: #   The type of code selected can either be numeric or 
                    357: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    358: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    359: #   We'll be nice and be case insensitive for alpha codes.
                    360: # Parameters:
                    361: #    code_value    - the value of the code the user typed in.
                    362: #    code_option   - The code type selected from the set in the scantron format
                    363: #                    table.
                    364: # Returns:
                    365: #    undef         - The code is valid.
                    366: #    other         - An error message indicating what's wrong.
                    367: #
                    368: sub is_code_valid {
                    369:     my ($code_value, $code_option) = @_;
1.383     foxr      370:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
                    371:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                    372:     foreach my $line (<FG>) {
                    373: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    374: 	if($name eq $code_option) {
                    375: 	    $code_length = $length;
                    376: 	    if($type eq 'number') {
                    377: 		$code_type = 'number';
                    378: 	    }
                    379: 	}
                    380:     }
                    381:     my $valid;
                    382:     if ($code_type eq 'number') {
1.385     foxr      383: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      384:     } else {
1.385     foxr      385: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      386:     }
1.382     foxr      387: 
                    388: }
                    389: 
1.341     foxr      390: #   Compare two students by name.  The students are in the form
                    391: #   returned by the helper:
                    392: #      user:domain:section:last,   first:status
                    393: #   This is a helper function for the perl sort built-in  therefore:
                    394: # Implicit Inputs:
                    395: #    $a     - The first element to compare (global)
                    396: #    $b     - The second element to compare (global)
                    397: # Returns:
                    398: #   -1   - $a < $b
                    399: #    0   - $a == $b
                    400: #   +1   - $a > $b
                    401: #   Note that the initial comparison is done on the last names with the
                    402: #   first names only used to break the tie.
                    403: #
                    404: #
                    405: sub compare_names {
                    406:     #  First split the names up into the primary fields.
                    407: 
                    408:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    409:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    410: 
                    411:     # Now split the last name and first name of each n:
                    412:     #
                    413: 
                    414:     my ($l1,$f1) = split(/,/, $n1);
                    415:     my ($l2,$f2) = split(/,/, $n2);
                    416: 
                    417:     # We don't bother to remove the leading/trailing whitespace from the
                    418:     # firstname, unless the last names compare identical.
                    419: 
                    420:     if($l1 lt $l2) {
                    421: 	return -1;
                    422:     }
                    423:     if($l1 gt $l2) {
                    424: 	return  1;
                    425:     }
                    426: 
                    427:     # Break the tie on the first name, but there are leading (possibly trailing
                    428:     # whitespaces to get rid of first 
                    429:     #
                    430:     $f1 =~ s/^\s+//;		# Remove leading...
                    431:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    432:     
                    433:     $f2 =~ s/^\s+//;
                    434:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    435: 
                    436:     if($f1 lt $f2) {
                    437: 	return -1;
                    438:     }
                    439:     if($f1 gt $f2) {
                    440: 	return 1;
                    441:     }
                    442:     
                    443:     #  Must be the same name.
                    444: 
                    445:     return 0;
                    446: }
                    447: 
1.71      sakharuk  448: sub latex_header_footer_remove {
                    449:     my $text = shift;
                    450:     $text =~ s/\\end{document}//;
                    451:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    452:     return $text;
                    453: }
1.423     foxr      454: #
                    455: #  If necessary, encapsulate text inside 
                    456: #  a minipage env.
                    457: #  necessity is determined by the problem_split param.
                    458: #
                    459: sub encapsulate_minipage {
                    460:     my ($text) = @_;
1.427     albertel  461:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      462: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    463:     }
                    464:     return $text;
                    465: }
1.429     foxr      466: #
                    467: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    468: #  variables interact, this sub looks at these two parameters
                    469: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    470: #     all     - if SPLIT_PDFS eq 'all'.
                    471: #     1       - if SPLIT_PDFS eq 'oneper'
                    472: #     section - if SPLIT_PDFS eq 'sections'
                    473: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    474: #
                    475: sub adjust_number_to_print {
                    476:     my $helper = shift;
1.71      sakharuk  477: 
1.429     foxr      478:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    479:     
                    480:     if ($split_pdf eq 'all') {
                    481: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    482:     } elsif ($split_pdf eq 'oneper') {
                    483: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    484:     } elsif ($split_pdf eq 'sections') {
                    485: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    486:     } elsif ($split_pdf eq 'usenumber') {
                    487: 	#  Unmodified.
                    488:     } else {
                    489: 	# Error!!!!
                    490: 
                    491: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
                    492:     }
                    493: }
1.71      sakharuk  494: 
1.37      sakharuk  495: sub character_chart {
                    496:     my $result = shift;	
1.116     sakharuk  497:     $result =~ s/&\#0?0?(7|9);//g;
                    498:     $result =~ s/&\#0?(10|13);//g;
                    499:     $result =~ s/&\#0?32;/ /g;
                    500:     $result =~ s/&\#0?33;/!/g;
                    501:     $result =~ s/&(\#0?34|quot);/\"/g;
                    502:     $result =~ s/&\#0?35;/\\\#/g;
                    503:     $result =~ s/&\#0?36;/\\\$/g;
                    504:     $result =~ s/&\#0?37;/\\%/g; 
                    505:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    506:     $result =~ s/&\#(0?39|146);/\'/g;
                    507:     $result =~ s/&\#0?40;/(/g;
                    508:     $result =~ s/&\#0?41;/)/g;
                    509:     $result =~ s/&\#0?42;/\*/g;
                    510:     $result =~ s/&\#0?43;/\+/g;
                    511:     $result =~ s/&\#(0?44|130);/,/g;
                    512:     $result =~ s/&\#0?45;/-/g;
                    513:     $result =~ s/&\#0?46;/\./g;
                    514:     $result =~ s/&\#0?47;/\//g;
                    515:     $result =~ s/&\#0?48;/0/g;
                    516:     $result =~ s/&\#0?49;/1/g;
                    517:     $result =~ s/&\#0?50;/2/g;
                    518:     $result =~ s/&\#0?51;/3/g;
                    519:     $result =~ s/&\#0?52;/4/g;
                    520:     $result =~ s/&\#0?53;/5/g;
                    521:     $result =~ s/&\#0?54;/6/g;
                    522:     $result =~ s/&\#0?55;/7/g;
                    523:     $result =~ s/&\#0?56;/8/g;
                    524:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  525:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  526:     $result =~ s/&\#0?59;/;/g;
                    527:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  528:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    529:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  530:     $result =~ s/&\#0?63;/\?/g;
                    531:     $result =~ s/&\#0?65;/A/g;
                    532:     $result =~ s/&\#0?66;/B/g;
                    533:     $result =~ s/&\#0?67;/C/g;
                    534:     $result =~ s/&\#0?68;/D/g;
                    535:     $result =~ s/&\#0?69;/E/g;
                    536:     $result =~ s/&\#0?70;/F/g;
                    537:     $result =~ s/&\#0?71;/G/g;
                    538:     $result =~ s/&\#0?72;/H/g;
                    539:     $result =~ s/&\#0?73;/I/g;
                    540:     $result =~ s/&\#0?74;/J/g;
                    541:     $result =~ s/&\#0?75;/K/g;
                    542:     $result =~ s/&\#0?76;/L/g;
                    543:     $result =~ s/&\#0?77;/M/g;
                    544:     $result =~ s/&\#0?78;/N/g;
                    545:     $result =~ s/&\#0?79;/O/g;
                    546:     $result =~ s/&\#0?80;/P/g;
                    547:     $result =~ s/&\#0?81;/Q/g;
                    548:     $result =~ s/&\#0?82;/R/g;
                    549:     $result =~ s/&\#0?83;/S/g;
                    550:     $result =~ s/&\#0?84;/T/g;
                    551:     $result =~ s/&\#0?85;/U/g;
                    552:     $result =~ s/&\#0?86;/V/g;
                    553:     $result =~ s/&\#0?87;/W/g;
                    554:     $result =~ s/&\#0?88;/X/g;
                    555:     $result =~ s/&\#0?89;/Y/g;
                    556:     $result =~ s/&\#0?90;/Z/g;
                    557:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  558:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  559:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  560:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  561:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    562:     $result =~ s/&\#(0?96|145);/\`/g;
                    563:     $result =~ s/&\#0?97;/a/g;
                    564:     $result =~ s/&\#0?98;/b/g;
                    565:     $result =~ s/&\#0?99;/c/g;
                    566:     $result =~ s/&\#100;/d/g;
                    567:     $result =~ s/&\#101;/e/g;
                    568:     $result =~ s/&\#102;/f/g;
                    569:     $result =~ s/&\#103;/g/g;
                    570:     $result =~ s/&\#104;/h/g;
                    571:     $result =~ s/&\#105;/i/g;
                    572:     $result =~ s/&\#106;/j/g;
                    573:     $result =~ s/&\#107;/k/g;
                    574:     $result =~ s/&\#108;/l/g;
                    575:     $result =~ s/&\#109;/m/g;
                    576:     $result =~ s/&\#110;/n/g;
                    577:     $result =~ s/&\#111;/o/g;
                    578:     $result =~ s/&\#112;/p/g;
                    579:     $result =~ s/&\#113;/q/g;
                    580:     $result =~ s/&\#114;/r/g;
                    581:     $result =~ s/&\#115;/s/g;
                    582:     $result =~ s/&\#116;/t/g;
                    583:     $result =~ s/&\#117;/u/g;
                    584:     $result =~ s/&\#118;/v/g;
                    585:     $result =~ s/&\#119;/w/g;
                    586:     $result =~ s/&\#120;/x/g;
                    587:     $result =~ s/&\#121;/y/g;
                    588:     $result =~ s/&\#122;/z/g;
                    589:     $result =~ s/&\#123;/\\{/g;
                    590:     $result =~ s/&\#124;/\|/g;
                    591:     $result =~ s/&\#125;/\\}/g;
                    592:     $result =~ s/&\#126;/\~/g;
                    593:     $result =~ s/&\#131;/\\textflorin /g;
                    594:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  595:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    596:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    597:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  598:     $result =~ s/&\#137;/\\textperthousand /g;
                    599:     $result =~ s/&\#140;/{\\OE}/g;
                    600:     $result =~ s/&\#147;/\`\`/g;
                    601:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  602:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  603:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  604:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  605:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  606:     $result =~ s/&\#153;/\\texttrademark /g;
                    607:     $result =~ s/&\#156;/\\oe/g;
                    608:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  609:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  610:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    611:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    612:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    613:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    614:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    615:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    616:     $result =~ s/&(\#167|sect);/\\textsection /g;
                    617:     $result =~ s/&(\#168|uml);/\\texthighdieresis /g;
                    618:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    619:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  620:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  621:     $result =~ s/&(\#173|shy);/ - /g;
                    622:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  623:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    624:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    625:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    626:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    627:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.116     sakharuk  628:     $result =~ s/&(\#180|acute);/\\textacute /g;
1.281     sakharuk  629:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  630:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  631:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  632:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  633:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  634:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    635:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    636:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    637:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    638:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    639:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    640:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    641:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    642:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    643:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    644:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    645:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    646:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    647:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    648:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    649:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    650:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    651:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    652:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    653:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    654:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    655:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    656:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    657:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    658:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    659:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    660:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  661:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  662:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    663:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    664:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    665:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    666:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    667:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  668:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  669:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    670:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    671:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    672:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    673:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    674:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    675:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    676:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    677:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    678:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    679:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    680:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    681:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    682:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    683:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    684:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  685:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  686:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    687:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    688:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    689:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    690:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    691:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  692:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  693:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    694:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    695:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    696:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    697:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    698:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    699:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  700:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  701:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  702: #Greek Alphabet
1.281     sakharuk  703:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    704:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    705:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    706:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    707:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    708:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    709:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    710:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    711:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    712:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    713:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    714:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    715:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    716:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  717:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  718:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    719:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    720:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    721:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    722:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    723:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    724:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    725:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    726:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    727:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    728:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  729:     $result =~ s/&(Alpha|\#913);/A/g;
                    730:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  731:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    732:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  733:     $result =~ s/&(Epsilon|\#917);/E/g;
                    734:     $result =~ s/&(Zeta|\#918);/Z/g;
                    735:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  736:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  737:     $result =~ s/&(Iota|\#921);/I/g;
                    738:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  739:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  740:     $result =~ s/&(Mu|\#924);/M/g;
                    741:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  742:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  743:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  744:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  745:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  746:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  747:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  748:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    749:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  750:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  751:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    752:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  753: #Arrows (extended HTML 4.01)
1.281     sakharuk  754:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    755:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    756:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    757:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    758:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    759:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    760:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    761:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    762:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    763:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  764: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  765:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    766:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    767:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    768:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    769:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    770:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    771:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    772:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    773:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    774:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    775:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  776:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  777:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    778:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    779:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    780:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    781:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    782:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    783:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    784:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    785:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    786:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    787:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    788:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    789:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    790:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    791:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    792:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    793:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    794:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    795:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    796:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    797:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    798:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    799:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    800:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    801:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    802:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  803: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  804:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  805: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  806:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    807:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    808:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    809:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr      810: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr      811: 
1.495     foxr      812:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                    813:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                    814:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                    815:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                    816:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                    817:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                    818:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                    819:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                    820:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                    821:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                    822:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                    823:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                    824:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr      825: 
                    826:     # Left/right quotations:
                    827: 
                    828:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                    829:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                    830: 
                    831: 
1.37      sakharuk  832:     return $result;
                    833: }
1.41      sakharuk  834: 
                    835: 
1.327     albertel  836:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    837: my %page_formats=
                    838:     ('letter' => {
                    839: 	 'book' => {
1.493     foxr      840: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                    841: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel  842: 	 },
                    843: 	 'album' => {
1.496     foxr      844: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel  845: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel  846: 	 },
                    847:      },
                    848:      'legal' => {
                    849: 	 'book' => {
                    850: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr      851: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  852: 	 },
                    853: 	 'album' => {
1.376     albertel  854: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    855:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  856:           },
                    857:      },
                    858:      'tabloid' => {
                    859: 	 'book' => {
                    860: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    861: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    862: 	 },
                    863: 	 'album' => {
1.376     albertel  864: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    865: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  866:           },
                    867:      },
                    868:      'executive' => {
                    869: 	 'book' => {
                    870: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    871: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    872: 	 },
                    873: 	 'album' => {
                    874: 	     '1' => [],
                    875: 	     '2' => []
                    876:           },
                    877:      },
                    878:      'a2' => {
                    879: 	 'book' => {
                    880: 	     '1' => [],
                    881: 	     '2' => []
                    882: 	 },
                    883: 	 'album' => {
                    884: 	     '1' => [],
                    885: 	     '2' => []
                    886:           },
                    887:      },
                    888:      'a3' => {
                    889: 	 'book' => {
                    890: 	     '1' => [],
                    891: 	     '2' => []
                    892: 	 },
                    893: 	 'album' => {
                    894: 	     '1' => [],
                    895: 	     '2' => []
                    896:           },
                    897:      },
                    898:      'a4' => {
                    899: 	 'book' => {
1.493     foxr      900: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr      901: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel  902: 	 },
                    903: 	 'album' => {
1.496     foxr      904: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr      905: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel  906: 	 },
                    907:      },
                    908:      'a5' => {
                    909: 	 'book' => {
                    910: 	     '1' => [],
                    911: 	     '2' => []
                    912: 	 },
                    913: 	 'album' => {
                    914: 	     '1' => [],
                    915: 	     '2' => []
                    916:           },
                    917:      },
                    918:      'a6' => {
                    919: 	 'book' => {
                    920: 	     '1' => [],
                    921: 	     '2' => []
                    922: 	 },
                    923: 	 'album' => {
                    924: 	     '1' => [],
                    925: 	     '2' => []
                    926:           },
                    927:      },
                    928:      );
                    929: 
1.177     sakharuk  930: sub page_format {
1.140     sakharuk  931: #
1.326     sakharuk  932: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    933: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    934: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    935: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    936: #                        "A6 [105x148 mm]"
1.140     sakharuk  937: # 
                    938:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  939:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  940: }
1.76      sakharuk  941: 
                    942: 
1.126     albertel  943: sub get_name {
                    944:     my ($uname,$udom)=@_;
1.373     albertel  945:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    946:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  947:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  948:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr      949:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel  950:     return $plainname;
1.126     albertel  951: }
                    952: 
1.213     albertel  953: sub get_course {
                    954:     my $courseidinfo;
1.373     albertel  955:     if (defined($env{'request.course.id'})) {
1.439     www       956: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  957:     }
                    958:     return $courseidinfo;
                    959: }
1.177     sakharuk  960: 
1.76      sakharuk  961: sub page_format_transformation {
1.312     sakharuk  962:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  963:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr      964: 
1.312     sakharuk  965:     if ($selectionmade eq '4') {
1.502     foxr      966: 	if ($choice eq 'all_problems') {
                    967: 	    $assignment='Problems from the Whole Course';
                    968: 	} else {
                    969: 	    $assignment='Resources from the Whole Course';
                    970: 	}
1.312     sakharuk  971:     } else {
                    972: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    973:     }
1.261     sakharuk  974:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr      975: 
                    976: 
1.126     albertel  977:     my $name = &get_name();
1.213     albertel  978:     my $courseidinfo = &get_course();
                    979:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel  980:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr      981:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel  982: 					   $courseidinfo, $name);
1.319     sakharuk  983:     my $topmargintoinsert = '';
                    984:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk  985:     my $fancypagestatement='';
                    986:     if ($numberofcolumns eq '2') {
1.455     albertel  987: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk  988:     } else {
1.455     albertel  989: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk  990:     }
1.140     sakharuk  991:     if ($layout eq 'album') {
1.340     foxr      992: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk  993:     } elsif ($layout eq 'book') {
                    994: 	if ($choice ne 'All class print') { 
1.340     foxr      995: 	    $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  996: 	} else {
1.340     foxr      997: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk  998: 	}
1.326     sakharuk  999: 	if ($papersize eq 'a4') {
1.319     sakharuk 1000: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk 1001: 	}
                   1002:     }
1.214     sakharuk 1003:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1004:     if ($indexlist eq 'yes') {
                   1005: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1006: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1007:     }
1.140     sakharuk 1008:     return $text;
                   1009: }
                   1010: 
                   1011: 
1.33      sakharuk 1012: sub page_cleanup {
                   1013:     my $result = shift;	
1.65      sakharuk 1014:  
                   1015:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1016:     my $number_of_columns = $1;
1.33      sakharuk 1017:     my $insert = '{';
1.34      sakharuk 1018:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1019:     $insert .= '}';
1.65      sakharuk 1020:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1021:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1022:     return $result,$number_of_columns;
1.7       sakharuk 1023: }
1.5       sakharuk 1024: 
1.3       sakharuk 1025: 
1.60      sakharuk 1026: sub details_for_menu {
1.335     albertel 1027:     my ($helper)=@_;
1.373     albertel 1028:     my $postdata=$env{'form.postdata'};
1.335     albertel 1029:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1030:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1031:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1032:     return if ( $symbolic eq '');
                   1033: 
1.233     www      1034:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1035:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1036:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1037:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1038: 	$map =~ m|([^/]+)$|;
                   1039: 	$name_of_sequence = $1;
1.63      albertel 1040:     }
1.373     albertel 1041:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1042:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1043: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1044: 	$name_of_map = $1;
                   1045:     }
1.335     albertel 1046:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1047: }
                   1048: 
1.476     albertel 1049: sub copyright_line {
                   1050:     return '\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 } ';
                   1051: }
                   1052: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1053: 
                   1054: sub latex_corrections {
1.408     albertel 1055:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1056: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1057:     my $copyright = &copyright_line();
1.408     albertel 1058:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1059: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1060:     } else {
1.476     albertel 1061: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1062:     }
1.476     albertel 1063:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1064:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1065:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1066: #-- LaTeX corrections     
                   1067:     my $first_comment = index($result,'<!--',0);
                   1068:     while ($first_comment != -1) {
                   1069: 	my $end_comment = index($result,'-->',$first_comment);
                   1070: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1071: 	$first_comment = index($result,'<!--',$first_comment);
                   1072:     }
                   1073:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1074:     #removes more than one empty space
                   1075:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1076:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1077:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1078:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1079:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1080:     #conversion of html characters to LaTeX equivalents
                   1081:     if ($result =~ m/&(\w+|#\d+);/) {
                   1082: 	$result = &character_chart($result);
                   1083:     }
                   1084:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1085:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1086:     return $result;
1.60      sakharuk 1087: }
                   1088: 
1.3       sakharuk 1089: 
1.214     sakharuk 1090: sub index_table {
                   1091:     my $currentURL = shift;
                   1092:     my $insex_string='';
                   1093:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1094:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1095:     return $insex_string;
                   1096: }
                   1097: 
                   1098: 
1.215     sakharuk 1099: sub IndexCreation {
                   1100:     my ($texversion,$currentURL)=@_;
                   1101:     my @key_words=split(/,/,&index_table($currentURL));
                   1102:     my $chunk='';
                   1103:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1104:     if ($st>0) {
                   1105: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1106: 	$chunk=substr($texversion,0,$st+1);
                   1107: 	substr($texversion,0,$st+1)=' ';
                   1108:     }
                   1109:     foreach my $key_word (@key_words) {
                   1110: 	if ($key_word=~/\S+/) {
                   1111: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1112: 	}
                   1113:     }			
                   1114:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1115:     return $texversion;
                   1116: }
                   1117: 
1.242     sakharuk 1118: sub print_latex_header {
                   1119:     my $mode=shift;
1.473     albertel 1120:     my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
1.397     albertel 1121:     if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1.242     sakharuk 1122: 	$output.='\batchmode';
                   1123:     }
1.340     foxr     1124:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1.410     foxr     1125:    	    '\usepackage{multirow}'."\n".
1.340     foxr     1126: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr     1127: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1.393     foxr     1128: 	     '\usepackage{wrapfig}'.
1.344     foxr     1129: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.517     foxr     1130: 	     '\usepackage[utf8]{inputenc}'."\n".
1.340     foxr     1131: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                   1132: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                   1133: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                   1134: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                   1135: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                   1136: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                   1137: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                   1138: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                   1139: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                   1140: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                   1141: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                   1142: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                   1143: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk 1144:     return $output;	     
                   1145: }
                   1146: 
                   1147: sub path_to_problem {
1.328     albertel 1148:     my ($urlp,$colwidth)=@_;
1.404     albertel 1149:     $urlp=&Apache::lonnet::clutter($urlp);
                   1150: 
1.242     sakharuk 1151:     my $newurlp = '';
1.328     albertel 1152:     $colwidth=~s/\s*mm\s*$//;
                   1153: #characters average about 2 mm in width
1.360     albertel 1154:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1155: 	my @elements = split('/',$urlp);
1.328     albertel 1156: 	my $curlength=0;
                   1157: 	foreach my $element (@elements) {
1.404     albertel 1158: 	    if ($element eq '') { next; }
1.328     albertel 1159: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1160: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1161: 		$curlength=length($element)*2;
1.328     albertel 1162: 	    } else {
                   1163: 		$curlength+=length($element)*2;
1.242     sakharuk 1164: 	    }
1.328     albertel 1165: 	    $newurlp.='/'.$element;
1.242     sakharuk 1166: 	}
1.253     sakharuk 1167:     } else {
                   1168: 	$newurlp=$urlp;
1.242     sakharuk 1169:     }
                   1170:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1171: }
1.215     sakharuk 1172: 
1.275     sakharuk 1173: sub recalcto_mm {
                   1174:     my $textwidth=shift;
                   1175:     my $LaTeXwidth;
1.339     albertel 1176:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1177: 	$LaTeXwidth = $1*10;
1.339     albertel 1178:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1179: 	$LaTeXwidth = $1;
1.339     albertel 1180:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1181: 	$LaTeXwidth = $1*25.4;
                   1182:     }
                   1183:     $LaTeXwidth.=' mm';
                   1184:     return $LaTeXwidth;
                   1185: }
                   1186: 
1.285     albertel 1187: sub get_textwidth {
                   1188:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1189:     my $textwidth=$LaTeXwidth;
1.285     albertel 1190:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1191: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1192: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1193: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1194:     }
1.286     albertel 1195:     return $textwidth;
1.285     albertel 1196: }
                   1197: 
1.296     sakharuk 1198: 
                   1199: sub unsupported {
1.414     albertel 1200:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1201:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1202:     my $result.= &print_latex_header($mode);
1.414     albertel 1203:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1204: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1205: 	my $title=&Apache::lonnet::gettitle($symb);
                   1206: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1207: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1208:     } else {
                   1209: 	$result.=$currentURL;
                   1210:     }
1.419     albertel 1211:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1212:     return $result;
                   1213: }
                   1214: 
                   1215: 
1.363     foxr     1216: #
1.395     www      1217: # List of recently generated print files
                   1218: #
                   1219: sub recently_generated {
                   1220:     my $r=shift;
                   1221:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1222:     my $zip_result;
                   1223:     my $pdf_result;
1.395     www      1224:     opendir(DIR,$prtspool);
1.400     albertel 1225: 
                   1226:     my @files = 
                   1227: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1228:     closedir(DIR);
1.400     albertel 1229: 
                   1230:     @files = sort {
                   1231: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1232: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1233: 	return $bctime <=> $actime;
                   1234:     } (@files);
                   1235: 
                   1236:     foreach my $filename (@files) {
                   1237: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1238: 	my ($cdev,$cino,$cmode,$cnlink,
                   1239: 	    $cuid,$cgid,$crdev,$csize,
                   1240: 	    $catime,$cmtime,$cctime,
                   1241: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
                   1242: 	my $result="<a href='/prtspool/$filename'>".
                   1243: 	    &mt('Generated [_1] ([_2] bytes)',
                   1244: 		&Apache::lonlocal::locallocaltime($cctime),$csize).
                   1245: 		'</a><br />';
                   1246: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1247: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1248:     }
                   1249:     if ($zip_result) {
                   1250: 	$r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
                   1251: 		  .$zip_result);
                   1252:     }
                   1253:     if ($pdf_result) {
                   1254: 	$r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
                   1255: 		  .$pdf_result);
1.396     albertel 1256:     }
1.395     www      1257: }
                   1258: 
                   1259: #
1.363     foxr     1260: #   Retrieve the hash of page breaks.
                   1261: #
                   1262: #  Inputs:
                   1263: #    helper   - reference to helper object.
                   1264: #  Outputs
                   1265: #    A reference to a page break hash.
                   1266: #
                   1267: #
1.418     foxr     1268: #use Data::Dumper;
                   1269: #sub dump_helper_vars {
                   1270: #    my ($helper) = @_;
                   1271: #    my $helpervars = Dumper($helper->{'VARS'});
                   1272: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1273: #}
1.363     foxr     1274: 
1.481     albertel 1275: sub get_page_breaks  {
                   1276:     my ($helper) = @_;
                   1277:     my %page_breaks;
                   1278: 
                   1279:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1280: 	$page_breaks{$break} = 1;
                   1281:     }
                   1282:     return %page_breaks;
                   1283: }
1.363     foxr     1284: 
1.459     foxr     1285: #  Output a sequence (recursively if neeed)
                   1286: #  from construction space.
                   1287: # Parameters:
                   1288: #    url     = URL of the sequence to print.
                   1289: #    helper  - Reference to the helper hash.
                   1290: #    form    - Copy of the format hash.
                   1291: #    LaTeXWidth
                   1292: # Returns:
                   1293: #   Text to add to the printout.
                   1294: #   NOTE if the first element of the outermost sequence
                   1295: #   is itself a sequence, the outermost caller may need to
                   1296: #   prefix the latex with the page headers stuff.
                   1297: #
                   1298: sub print_construction_sequence {
                   1299:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1300:     my $result;
                   1301:     my $rndseed=time;
                   1302:     if ($helper->{'VARS'}->{'curseed'}) {
                   1303: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1304:     }
1.491     albertel 1305:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1306:     # 
                   1307:     #  These make this all support recursing for subsequences.
                   1308:     #
1.491     albertel 1309:     my @order    = @LONCAPA::map::order;
                   1310:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1311:     for (my $member=0;$member<=$#order;$member++) {
                   1312: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1313: 	my $urlp=$2;
                   1314: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1315: 	    my $texversion='';
                   1316: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1317: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1318: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1319: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1320: 		$form{'rndseed'}=$rndseed;
                   1321: 		$resources_printed .=$urlp.':';
1.515     foxr     1322: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1323: 	    }
                   1324: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1325: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1326: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1327: 		#  Don't permanently modify %$form...
                   1328: 		my %answerform = %form;
                   1329: 		$answerform{'grade_target'}='answer';
                   1330: 		$answerform{'answer_output_mode'}='tex';
                   1331: 		$answerform{'rndseed'}=$rndseed;
                   1332: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1333: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1334: 		$resources_printed .= $urlp.':';
1.515     foxr     1335: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1336: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1337: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1338: 		} else {
                   1339: 		    # If necessary, encapsulate answer in minipage:
                   1340: 		    
                   1341: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1342: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1343: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1344: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1345: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1346: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1347: 		    $body = &encapsulate_minipage($body);
                   1348: 		    $texversion.=$body;
                   1349: 		}
                   1350: 	    }
                   1351: 	    $texversion = &latex_header_footer_remove($texversion);
                   1352: 
                   1353: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1354: 		$texversion=&IndexCreation($texversion,$urlp);
                   1355: 	    }
                   1356: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1357: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1358: 	    }
                   1359: 	    $result.=$texversion;
                   1360: 
                   1361: 	} elsif ($urlp=~/\.(sequence|page)$/) {
                   1362: 	    
                   1363: 	    # header:
                   1364: 
                   1365: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1366: 
                   1367: 	    # IF sequence, recurse:
                   1368: 	    
                   1369: 	    if ($urlp =~ /\.sequence$/) {
                   1370: 		my $sequence_url = $urlp;
                   1371: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1372: 		my $user         = $env{'user.name'};
                   1373: 
                   1374: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1375: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1376: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1377: 		$result .= &print_construction_sequence($sequence_url, 
                   1378: 							$helper, %form, 
                   1379: 							$LaTeXwidth);
                   1380: 	    }
                   1381: 	}  
                   1382:     }
                   1383:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1384:     return $result;
                   1385: }
                   1386: 
1.177     sakharuk 1387: sub output_data {
1.184     sakharuk 1388:     my ($r,$helper,$rparmhash) = @_;
                   1389:     my %parmhash = %$rparmhash;
1.515     foxr     1390:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1391:     $resources_printed = '';
1.499     foxr     1392:     my $do_postprocessing = 1;
1.433     albertel 1393:     my $js = <<ENDPART;
                   1394: <script type="text/javascript">
1.264     sakharuk 1395:     var editbrowser;
                   1396:     function openbrowser(formname,elementname,only,omit) {
                   1397:         var url = '/res/?';
                   1398:         if (editbrowser == null) {
                   1399:             url += 'launch=1&';
                   1400:         }
                   1401:         url += 'catalogmode=interactive&';
                   1402:         url += 'mode=parmset&';
                   1403:         url += 'form=' + formname + '&';
                   1404:         if (only != null) {
                   1405:             url += 'only=' + only + '&';
                   1406:         } 
                   1407:         if (omit != null) {
                   1408:             url += 'omit=' + omit + '&';
                   1409:         }
                   1410:         url += 'element=' + elementname + '';
                   1411:         var title = 'Browser';
                   1412:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1413:         options += ',width=700,height=600';
                   1414:         editbrowser = open(url,title,options,'1');
                   1415:         editbrowser.focus();
                   1416:     }
                   1417: </script>
1.140     sakharuk 1418: ENDPART
                   1419: 
1.512     foxr     1420: 
                   1421: 
1.433     albertel 1422:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);
                   1423:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1424: 
1.433     albertel 1425:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1426: 
1.363     foxr     1427:     # fetch the pagebreaks and store them in the course environment
                   1428:     # The page breaks will be pulled into the hash %page_breaks which is
                   1429:     # indexed by symb and contains 1's for each break.
                   1430: 
1.373     albertel 1431:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1432:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1433:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1434: 					      {'pagebreaks'    => 'scalar',
                   1435: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1436: 
1.364     albertel 1437:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1438: 
1.140     sakharuk 1439:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1440:     my ($result,$selectionmade) = ('','');
                   1441:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1442:     my @temporary_array=split /\|/,$format_from_helper;
                   1443:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                   1444:     if ($laystyle eq 'L') {
                   1445: 	$laystyle='album';
                   1446:     } else {
                   1447: 	$laystyle='book';
                   1448:     }
1.177     sakharuk 1449:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1450:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1451:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1452:     my @print_array=();
1.274     sakharuk 1453:     my @student_names=();
1.360     albertel 1454: 
1.512     foxr     1455:      
1.360     albertel 1456:     #  Common settings for the %form has:
                   1457:     # In some cases these settings get overriddent by specific cases, but the
                   1458:     # settings are common enough to make it worthwhile factoring them out
                   1459:     # here.
                   1460:     #
                   1461:     my %form;
                   1462:     $form{'grade_target'} = 'tex';
                   1463:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr     1464: 
                   1465:     # If form.showallfoils is set, then request all foils be shown:
                   1466:     # privilege will be enforced both by not allowing the 
                   1467:     # check box selecting this option to be presnt unless it's ok,
                   1468:     # and by lonresponse's priv. check.
                   1469:     # The if is here because lonresponse.pm only cares that
                   1470:     # showallfoils is defined, not what the value is.
                   1471: 
                   1472:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1473: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1474:     }
1.504     albertel 1475:     
                   1476:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1477: 	&Apache::lonnet::appenv({'construct.style' =>
                   1478: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1479:     } elsif ($env{'construct.style'}) {
                   1480: 	&Apache::lonnet::delenv('construct\\.style');
                   1481:     }
                   1482: 
1.372     foxr     1483: 
1.140     sakharuk 1484:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1485:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1486: 	my ($currentURL,$cleanURL);
1.375     foxr     1487: 
1.162     sakharuk 1488: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1489:             #prints published resource
1.153     sakharuk 1490: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1491: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1492: 	} else {
1.512     foxr     1493: 
1.185     sakharuk 1494:             #prints resource from the construction space
1.240     albertel 1495: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1496: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1497: 	    $cleanURL=$currentURL;
1.143     sakharuk 1498: 	}
1.140     sakharuk 1499: 	$selectionmade = 1;
1.413     albertel 1500: 	if ($cleanURL!~m|^/adm/|
                   1501: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1502: 	    my $rndseed=time;
1.242     sakharuk 1503: 	    my $texversion='';
                   1504: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1505: 		my %moreenv;
1.343     albertel 1506: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 1507:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1508: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1509: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1510: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1511: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1512: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1513: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1514: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1515: 		    $form{'problem_split'}='yes';
                   1516: 		}
1.242     sakharuk 1517: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1518: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1519: 		}
                   1520: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  1521: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 1522: 
                   1523: 		&Apache::lonxml::clear_problem_counter();
                   1524: 
1.375     foxr     1525: 		$resources_printed .= $currentURL.':';
1.515     foxr     1526: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 1527: 
1.511     foxr     1528: 		#  Add annotations if required:
                   1529: 	    
1.428     albertel 1530: 		&Apache::lonxml::clear_problem_counter();
                   1531: 
1.242     sakharuk 1532: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1533: 	    }
1.423     foxr     1534: 	    # current document with answers.. no need to encap in minipage
                   1535: 	    #  since there's only one answer.
                   1536: 
1.242     sakharuk 1537: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1538: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1539: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1540: 		$form{'grade_target'}='answer';
1.167     albertel 1541: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1542: 		$form{'rndseed'}=$rndseed;
1.401     albertel 1543:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1544: 		    $form{'problemtype'}='exam';
                   1545: 		}
1.375     foxr     1546: 		$resources_printed .= $currentURL.':';
1.515     foxr     1547: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     1548: 		
                   1549: 
1.242     sakharuk 1550: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1551: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1552: 		} else {
                   1553: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1554: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 1555: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1556: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1557: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 1558: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1559: 		    } else {
                   1560: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1561: 			my $URLpath=$cleanURL;
1.245     sakharuk 1562: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 1563: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 1564: 		    }
1.242     sakharuk 1565: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1566: 		}
1.511     foxr     1567: 
                   1568: 
                   1569: 		
                   1570: 
                   1571: 	    }
                   1572: 	    # Print annotations.
                   1573: 
                   1574: 
                   1575: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1576: 		my $annotation .= &annotate($currentURL);
                   1577: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 1578: 	    }
1.511     foxr     1579: 
                   1580: 
1.214     sakharuk 1581: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1582: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1583: 	    }
1.219     sakharuk 1584: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1585: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1586: 
                   1587: 	    }
1.162     sakharuk 1588: 	    $result .= $texversion;
                   1589: 	    if ($currentURL=~m/\.page\s*$/) {
                   1590: 		($result,$number_of_columns) = &page_cleanup($result);
                   1591: 	    }
1.413     albertel 1592:         } elsif ($cleanURL!~m|^/adm/|
                   1593: 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 1594:             #printing content of sequence from the construction space	
                   1595: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     1596: 	    $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1597: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   1598: 						    $LaTeXwidth);
                   1599: 	    $result .= '\end{document}';  
                   1600: 	    if (!($result =~ /\\begin\{document\}/)) {
                   1601: 		$result = &print_latex_header() . $result;
1.227     sakharuk 1602: 	    }
1.459     foxr     1603: 	    # End construction space sequence.
1.456     raeburn  1604: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1605: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1606: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1607: 		$resources_printed .= $currentURL.':';
1.515     foxr     1608: 		my $texversion=&ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     1609: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1610: 		    my $annotation = &annotate($currentURL);
                   1611: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   1612: 		}
1.258     sakharuk 1613: 		$result .= $texversion;
1.498     foxr     1614: 	} elsif ($cleanURL =~/.tex$/) {
                   1615: 	    # For this sort of print of a single LaTeX file,
                   1616: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   1617: 	    #
                   1618: 
                   1619: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     1620: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1621: 		my $annotation = &annotate($currentURL);
                   1622: 		$result =~ s/(\\end{document})/$annotation$1/;
                   1623: 	    }
                   1624: 
1.499     foxr     1625: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     1626: 
1.162     sakharuk 1627: 	} else {
1.414     albertel 1628: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1629: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 1630: 	}
1.354     foxr     1631:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1632:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1633:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1634: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.252     sakharuk 1635: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences')) { 
1.511     foxr     1636: 
                   1637: 
1.141     sakharuk 1638:         #-- produce an output string
1.296     sakharuk 1639: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1640: 	    $selectionmade = 2;
                   1641: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1642: 	    $selectionmade = 3;
                   1643: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') {
                   1644: 	    $selectionmade = 4;
1.354     foxr     1645: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1646: 	    $selectionmade = 4;
1.296     sakharuk 1647: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1648: 	    $selectionmade = 7;
                   1649: 	}
1.193     sakharuk 1650: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1651: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1652: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1653: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1654: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1655: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   1656: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   1657: 	    $form{'problem_split'}='yes';
                   1658: 	}
1.141     sakharuk 1659: 	my $flag_latex_header_remove = 'NO';
                   1660: 	my $flag_page_in_sequence = 'NO';
                   1661: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1662: 	my $prevassignment='';
1.428     albertel 1663: 
                   1664: 	&Apache::lonxml::clear_problem_counter();
                   1665: 
1.416     foxr     1666: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 1667: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1668: 
1.521   ! foxr     1669: 	    &Apache::lonenc::reset_enc();
        !          1670: 
        !          1671: 
1.350     foxr     1672: 	    # Note due to document structure, not allowed to put \newpage
                   1673: 	    # prior to the first resource
                   1674: 
1.351     foxr     1675: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1676: 		if($i != 0) {
                   1677: 		    $result.="\\newpage\n";
                   1678: 		}
                   1679: 	    }
1.521   ! foxr     1680: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1681: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1682: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 1683: 
1.521   ! foxr     1684: 
1.407     albertel 1685: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521   ! foxr     1686: 
1.267     sakharuk 1687: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1688: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1689: 	    my $texversion='';
1.413     albertel 1690: 	    if ($urlp!~m|^/adm/|
                   1691: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1692: 		$resources_printed .= $urlp.':';
1.428     albertel 1693: 		&Apache::lonxml::remember_problem_counter();
1.515     foxr     1694: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 1695: 		if ($urlp=~/\.page$/) {
                   1696: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1697: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1698: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1699: 		    $flag_page_in_sequence = 'YES';
                   1700: 		} 
1.428     albertel 1701: 
1.296     sakharuk 1702: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1703: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1704: 		    #  Don't permanently pervert the %form hash
                   1705: 		    my %answerform = %form;
                   1706: 		    $answerform{'grade_target'}='answer';
                   1707: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1708: 		    $resources_printed .= $urlp.':';
1.428     albertel 1709: 
                   1710: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     1711: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 1712: 
1.296     sakharuk 1713: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1714: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1715: 		    } else {
1.307     sakharuk 1716: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1717: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1718: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   1719: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   1720: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     1721: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   1722: 			    $body   .='\vskip 1 mm '.$answer;
                   1723: 			    $body    = &encapsulate_minipage($body);
                   1724: 			    $texversion .= $body;
1.296     sakharuk 1725: 			} else {
                   1726: 			    $texversion='';
                   1727: 			}
1.249     sakharuk 1728: 		    }
1.511     foxr     1729: 
1.246     sakharuk 1730: 		}
1.511     foxr     1731: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1732: 		    my $annotation .= &annotate($urlp);
                   1733: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1734: 		}
                   1735: 
1.296     sakharuk 1736: 		if ($flag_latex_header_remove ne 'NO') {
                   1737: 		    $texversion = &latex_header_footer_remove($texversion);
                   1738: 		} else {
                   1739: 		    $texversion =~ s/\\end{document}//;
                   1740: 		}
                   1741: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1742: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1743: 		}
                   1744: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1745: 		    my $name = &get_name();
                   1746: 		    my $courseidinfo = &get_course();
                   1747: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1748: 		    $prevassignment=$assignment;
1.455     albertel 1749: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     1750: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 1751: 							  $assignment, 
                   1752: 							  $courseidinfo, 
                   1753: 							  $name);
1.417     foxr     1754: 		    if ($numberofcolumns eq '1') {
1.455     albertel 1755: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1756: 		    } else {
1.455     albertel 1757: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1758: 		    }			
1.296     sakharuk 1759: 		}
                   1760: 		$result .= $texversion;
                   1761: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  1762: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 1763: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1764: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1765: 		$resources_printed .= $urlp.':';
1.515     foxr     1766: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     1767: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1768: 		    my $annotation = &annotate($urlp);
                   1769: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   1770: 		}
                   1771: 
1.301     sakharuk 1772: 		if ($flag_latex_header_remove ne 'NO') {
                   1773: 		    $texversion = &latex_header_footer_remove($texversion);
                   1774: 		} else {
                   1775: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1776: 		}
                   1777: 		$result .= $texversion;
                   1778: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1779: 	    } else {
1.414     albertel 1780: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1781: 					 $master_seq[$i]);
1.297     sakharuk 1782: 		if ($flag_latex_header_remove ne 'NO') {
                   1783: 		    $texversion = &latex_header_footer_remove($texversion);
                   1784: 		} else {
                   1785: 		    $texversion =~ s/\\end{document}//;
                   1786: 		}
                   1787: 		$result .= $texversion;
                   1788: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1789: 	    }	    
1.331     albertel 1790: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1791: 	}
1.428     albertel 1792: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     1793: 	if ($flag_page_in_sequence eq 'YES') {
                   1794: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1795: 	}	
1.141     sakharuk 1796: 	$result .= '\end{document}';
1.284     albertel 1797:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1798: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1799: 
                   1800: 
1.150     sakharuk 1801:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1802: 	 my $type;
1.254     sakharuk 1803: 	 if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') {
                   1804: 	     $selectionmade=5;
1.284     albertel 1805: 	     $type='problems';
1.254     sakharuk 1806: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1807: 	     $selectionmade=8;
1.284     albertel 1808: 	     $type='resources';
1.254     sakharuk 1809: 	 }
1.150     sakharuk 1810: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1811: 	 #   The normal sort order is by section then by students within the
                   1812: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1813: 	 #   to override this and output the students by name.
                   1814: 	 #    Each element of the students array is of the form:
                   1815: 	 #       username:domain:section:last, first:status
                   1816: 	 #    
1.429     foxr     1817: 	 #  Note that student sort is not compatible with printing 
                   1818: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     1819: 	 #   
1.429     foxr     1820: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   1821: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     1822: 	     @students = sort compare_names  @students;
                   1823: 	 }
1.429     foxr     1824: 	 &adjust_number_to_print($helper);
                   1825: 
1.278     albertel 1826:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1827: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1828: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1829: 	 }
1.429     foxr     1830: 	 # If we are splitting on section boundaries, we need 
                   1831: 	 # to remember that in split_on_sections and 
                   1832: 	 # print all of the students in the list.
                   1833: 	 #
                   1834: 	 my $split_on_sections = 0;
                   1835: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   1836: 	     $split_on_sections = 1;
                   1837: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   1838: 	 }
1.150     sakharuk 1839: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1840: 
1.150     sakharuk 1841: 	 #loop over students
                   1842: 	 my $flag_latex_header_remove = 'NO'; 
                   1843: 	 my %moreenv;
1.330     sakharuk 1844:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1845: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1846: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1847: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     1848: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1849: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     1850: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   1851: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1852: 	     $moreenv{'problem_split'}='yes';
                   1853: 	 }
1.318     albertel 1854: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1855: 	 my $student_counter=-1;
1.429     foxr     1856: 	 my $i = 0;
1.430     albertel 1857: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 1858: 	 foreach my $person (@students) {
1.350     foxr     1859: 
1.373     albertel 1860:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1861: 	     if (-e $duefile) {
                   1862: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1863: 		 print $temp_file "1969\n";
                   1864: 	     }
1.272     sakharuk 1865: 	     $student_counter++;
1.429     foxr     1866: 	     if ($split_on_sections) {
1.430     albertel 1867: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     1868: 		 if ($this_section ne $last_section) {
                   1869: 		     $i++;
                   1870: 		     $last_section = $this_section;
                   1871: 		 }
                   1872: 	     } else {
                   1873: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   1874: 	     }
1.375     foxr     1875: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1876: 						     $person,$type,
                   1877: 						     \%moreenv,\@master_seq,
1.360     albertel 1878: 						     $flag_latex_header_remove,
1.422     albertel 1879: 						     $LaTeXwidth);
1.375     foxr     1880: 	     $resources_printed .= ":";
1.284     albertel 1881: 	     $print_array[$i].=$output;
                   1882: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1883: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1884: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1885: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1886: 	 }
                   1887: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1888: 	 $result .= $print_array[0].'  \end{document}';
                   1889:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1890: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1891: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1892: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1893: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1894: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1895: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     1896: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     1897: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   1898: 
1.381     albertel 1899: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1900: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1901: 	 my ($code_type,$code_length)=('letter',6);
                   1902: 	 foreach my $line (<FH>) {
                   1903: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1904: 	     if ($name eq $code_option) {
                   1905: 		 $code_length=$length;
                   1906: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1907: 	     }
                   1908: 	 }
1.288     albertel 1909: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1910: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 1911:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 1912: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1913: 	 my @allcodes;
                   1914: 	 if ($old_name) {
1.381     albertel 1915: 	     my %result=&Apache::lonnet::get('CODEs',
                   1916: 					     [$old_name,"type\0$old_name"],
                   1917: 					     $cdom,$cnum);
                   1918: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1919: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1920: 	     $num_todo=scalar(@allcodes);
1.389     foxr     1921: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     1922: 	     $num_todo = 1;
                   1923: 	     @allcodes = ($selected_code);
1.385     foxr     1924: 	 } elsif ($single_code) {
                   1925: 
1.387     foxr     1926: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     1927: 	     # If an alpha code have to convert to numbers so it can be
                   1928: 	     # converted back to letters again :-)
                   1929: 	     #
                   1930: 	     if ($code_type ne 'number') {
                   1931: 		 $single_code = &letters_to_num($single_code);
                   1932: 	     }
                   1933: 	     @allcodes = ($single_code);
1.292     albertel 1934: 	 } else {
                   1935: 	     my %allcodes;
1.299     albertel 1936: 	     srand($seed);
1.292     albertel 1937: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1938: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1939: 					    $code_type);
1.292     albertel 1940: 	     }
                   1941: 	     if ($code_name) {
                   1942: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1943: 				      {
                   1944: 					$code_name =>join(',',keys(%allcodes)),
                   1945: 					"type\0$code_name" => $code_type
                   1946: 				      },
1.292     albertel 1947: 				      $cdom,$cnum);
                   1948: 	     }
                   1949: 	     @allcodes=keys(%allcodes);
                   1950: 	 }
1.336     albertel 1951: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1952: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 1953: 	 &adjust_number_to_print($helper);
1.336     albertel 1954: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1955: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1956: 	     $number_per_page=$num_todo;
                   1957: 	 }
                   1958: 	 my $flag_latex_header_remove = 'NO'; 
                   1959: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1960: 	 my $count=0;
1.292     albertel 1961: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1962: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 1963: 	     if ($code_type eq 'number') { 
                   1964: 		 $moreenv{'CODE'}=$code;
                   1965: 	     } else {
                   1966: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   1967: 	     }
1.375     foxr     1968: 	     my ($output,$fullname, $printed)=
1.288     albertel 1969: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 1970: 				  \@master_seq,$flag_latex_header_remove,
                   1971: 				  $LaTeXwidth);
1.375     foxr     1972: 	     $resources_printed .= ":";
1.295     albertel 1973: 	     $print_array[$file_num].=$output;
1.288     albertel 1974: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   1975: 				       &mt('last assignment').' '.$fullname);
                   1976: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 1977: 	     $count++;
1.331     albertel 1978: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 1979: 	 }
                   1980: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1981: 	 $result .= $print_array[0].'  \end{document}';
                   1982:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 1983:     #prints selected problems from the subdirectory 
                   1984: 	$selectionmade = 6;
                   1985:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 1986: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 1987: 	my $flag_latex_header_remove = 'NO'; 
                   1988: 	my $rndseed=time;
1.230     albertel 1989: 	if ($helper->{'VARS'}->{'curseed'}) {
                   1990: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1991: 	}
1.151     sakharuk 1992: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521   ! foxr     1993: 
        !          1994: 	    &Apache::lonenc::reset_enc();
        !          1995: 
1.152     sakharuk 1996: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 1997: 	    $urlp=~s|//|/|;
1.152     sakharuk 1998: 	    if ($urlp=~/\//) {
1.353     foxr     1999: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2000: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2001: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2002: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2003: 		} else {
1.302     sakharuk 2004: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2005: 		}
1.375     foxr     2006: 		$resources_printed .= $urlp.':';
1.515     foxr     2007: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2008: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2009: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2010: 		    #  Don't permanently pervert %form:
                   2011: 		    my %answerform = %form;
                   2012: 		    $answerform{'grade_target'}='answer';
                   2013: 		    $answerform{'answer_output_mode'}='tex';
                   2014: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2015: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2016: 		    $resources_printed .= $urlp.':';
1.515     foxr     2017: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2018: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2019: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2020: 		    } else {
1.253     sakharuk 2021: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2022: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2023: 			    $texversion.='\vskip 0 mm \noindent ';
                   2024: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2025: 			} else {
                   2026: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2027: 			    my $URLpath=$urlp;
                   2028: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2029: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2030: 			}
                   2031: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2032: 		    }
1.174     sakharuk 2033: 		}
1.515     foxr     2034:                 #this chunk is responsible for printing the path to problem
                   2035: 
1.253     sakharuk 2036: 		my $newurlp=$urlp;
                   2037: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2038: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2039: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2040: 		if ($flag_latex_header_remove ne 'NO') {
                   2041: 		    $texversion = &latex_header_footer_remove($texversion);
                   2042: 		} else {
                   2043: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2044: 		}
                   2045: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2046: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2047: 		}
1.219     sakharuk 2048: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2049: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2050: 		    
                   2051: 		}
1.152     sakharuk 2052: 		$result .= $texversion;
                   2053: 	    }
                   2054: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2055: 	}
1.175     sakharuk 2056: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2057: 	$result .= '\end{document}';      	
1.140     sakharuk 2058:     }
                   2059: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2060: 
                   2061:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2062: 
                   2063:     if ($do_postprocessing) {
                   2064: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2065: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2066: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2067: 	#if ($numberofcolumns == 1) {
1.451     albertel 2068: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2069: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2070: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2071: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2072: 	#}
                   2073:     }
1.367     foxr     2074: 
1.515     foxr     2075:     # Set URLback if this is a construction space print so we can provide
                   2076:     # a link to the resource being edited.
                   2077:     #
1.274     sakharuk 2078: 
1.276     sakharuk 2079:     my $URLback=''; #link to original document
1.510     albertel 2080:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2081: 	#prints resource from the construction space
                   2082: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2083: 	if ($URLback=~/([^?]+)/) {
                   2084: 	    $URLback=$1;
                   2085: 	    $URLback=~s|^/~|/priv/|;
                   2086: 	}
1.276     sakharuk 2087:     }
1.375     foxr     2088: 
1.515     foxr     2089: 
                   2090:     # If there's been an unrecoverable SSI error, report it to the user
                   2091:     # otherwise, we can write the tex file.
                   2092:     #
                   2093: 
                   2094:     if ($ssi_error) {
                   2095: 	my $end_page = &Apache::loncommon::end_page();
                   2096: 	$r->print(<<ERROR_END);
                   2097: <br />
                   2098: <h2>An unrecoverable error occured:</h2>
                   2099: <p>
                   2100:   I was not able to render one of the print resources ($ssi_last_error_resource) 
                   2101: due to an unrecoverable error communicating with a server:
                   2102: <br />
                   2103: $ssi_last_error;
                   2104: <br />
                   2105: </p>
                   2106: <p>
                   2107: I recommend that you try printing again later as this may mean the server was just 
                   2108: temporarily unavailable, or is down for maintenance.  If this error persists, then
                   2109: please contact your LonCAPA support folks for assistance and diagnosis. 
                   2110: <br />
                   2111: <br />
                   2112: We apologize for the inconvenience.
                   2113: </p>
                   2114: $end_page
                   2115: ERROR_END
                   2116:     } else {
                   2117: 
                   2118: #-- writing .tex file in prtspool 
                   2119: 	my $temp_file;
                   2120: 	my $identifier = &Apache::loncommon::get_cgi_id();
                   2121: 	my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2122: 	if (!($#print_array>0)) { 
                   2123: 	    unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2124: 		$r->log_error("Couldn't open $filename for output $!");
                   2125: 		return SERVER_ERROR; 
                   2126: 	    }
                   2127: 	    print $temp_file $result;
                   2128: 	    my $begin=index($result,'\begin{document}',0);
                   2129: 	    my $inc=substr($result,0,$begin+16);
                   2130: 	} else {
                   2131: 	    my $begin=index($result,'\begin{document}',0);
                   2132: 	    my $inc=substr($result,0,$begin+16);
                   2133: 	    for (my $i=0;$i<=$#print_array;$i++) {
                   2134: 		if ($i==0) {
                   2135: 		    $print_array[$i]=$result;
                   2136: 		} else {
                   2137: 		    $print_array[$i].='\end{document}';
                   2138: 		    $print_array[$i] = 
                   2139: 			&latex_corrections($number_of_columns,$print_array[$i],
                   2140: 					   $selectionmade, 
                   2141: 					   $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2142: 		    
                   2143: 		    my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2144: 		    substr($print_array[$i],0,$anobegin)='';
                   2145: 		    $print_array[$i]=$inc.$print_array[$i];
                   2146: 		}
                   2147: 		my $temp_file;
                   2148: 		my $newfilename=$filename;
                   2149: 		my $num=$i+1;
                   2150: 		$newfilename =~s/\.tex$//; 
                   2151: 		$newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2152: 		unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2153: 		    $r->log_error("Couldn't open $newfilename for output $!");
                   2154: 		    return SERVER_ERROR; 
                   2155: 		}
                   2156: 		print $temp_file $print_array[$i];
                   2157: 	    }
                   2158: 	    
                   2159: 	}
                   2160: 	my $student_names='';
                   2161: 	if ($#print_array>0) {
                   2162: 	    for (my $i=0;$i<=$#print_array;$i++) {
                   2163: 		$student_names.=$student_names[$i].'_ENDPERSON_';
                   2164: 	    }
                   2165: 	} else {
                   2166: 	    if ($#student_names>-1) {
                   2167: 		$student_names=$student_names[0].'_ENDPERSON_';
                   2168: 	    } else {
                   2169: 		my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2170: 		$student_names=join(':',$env{'user.name'},$env{'user.domain'},
                   2171: 				    $env{'request.course.sec'},$fullname).
                   2172: 					'_ENDPERSON_'.'_END_';
                   2173: 	    }
                   2174: 	}
                   2175: 	
                   2176: 	# logic for now is too complex to trace if this has been defined
                   2177: 	#  yet.
                   2178: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2179: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.520     raeburn  2180: 	&Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2181: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2182: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2183: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2184: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2185: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2186: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2187: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2188: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2189: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2190: 				'cgi.'.$identifier.'.backref' => $URLback,});
                   2191: 	&Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2192: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2193: 				"cgi.$identifier.courseid" => $cnum, 
                   2194: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2195: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2196: 	
                   2197: 	my $end_page = &Apache::loncommon::end_page();
                   2198: 	$r->print(<<FINALEND);
1.317     albertel 2199: <br />
1.288     albertel 2200: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.317     albertel 2201: <a href="/cgi-bin/printout.pl?$identifier">Continue</a>
1.431     albertel 2202: $end_page
1.140     sakharuk 2203: FINALEND
1.515     foxr     2204:   }                                       # endif ssi errors.
1.140     sakharuk 2205: }
                   2206: 
1.288     albertel 2207: 
                   2208: sub get_CODE {
1.381     albertel 2209:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2210:     my $max='1'.'0'x$size;
                   2211:     my $newcode;
                   2212:     while(1) {
1.392     albertel 2213: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2214: 	if (!exists($$all_codes{$newcode})) {
                   2215: 	    $$all_codes{$newcode}=1;
1.381     albertel 2216: 	    if ($type eq 'number' ) {
                   2217: 		return $newcode;
                   2218: 	    } else {
                   2219: 		return &num_to_letters($newcode);
                   2220: 	    }
1.288     albertel 2221: 	}
                   2222:     }
                   2223: }
1.140     sakharuk 2224: 
1.284     albertel 2225: sub print_resources {
1.360     albertel 2226:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2227: 	$LaTeXwidth)=@_;
1.284     albertel 2228:     my $current_output = ''; 
1.375     foxr     2229:     my $printed = '';
1.284     albertel 2230:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2231:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2232:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2233:     if ($person =~ 'anon') {
1.492     foxr     2234: 	$namepostfix .="Name: ";
1.288     albertel 2235: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2236:     }
1.444     foxr     2237:     #  Fullname may have special latex characters that need \ prefixing:
                   2238:     #
                   2239: 
1.350     foxr     2240:     my $i           = 0;
1.284     albertel 2241:     #goes through all resources, checks if they are available for 
                   2242:     #current student, and produces output   
1.428     albertel 2243: 
                   2244:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2245:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2246:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2247:     #
1.441     foxr     2248:     #   end each student with a 
1.440     foxr     2249:     #   Special that allows the post processor to even out the page
                   2250:     #   counts later.  Nasty problem this... it would be really
                   2251:     #   nice to put the special in as a postscript comment
1.441     foxr     2252:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2253:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2254:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2255:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2256:     #
1.363     foxr     2257: 
1.511     foxr     2258: 
1.284     albertel 2259:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2260: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2261: 	    if($i != 0) {
                   2262: 		$current_output.= "\\newpage\n";
                   2263: 	    }
                   2264: 	}
                   2265: 	$i++;
1.511     foxr     2266: 
1.284     albertel 2267: 	if ( !($type eq 'problems' && 
                   2268: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2269: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2270: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2271: 		if ($res_url!~m|^ext/|
1.413     albertel 2272: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2273: 		    $printed .= $curresline.':';
1.428     albertel 2274: 
                   2275: 		    &Apache::lonxml::remember_problem_counter();    
                   2276: 
1.373     albertel 2277: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 2278: 
1.305     sakharuk 2279: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2280: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2281: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2282: 			my %answerenv = %{$moreenv};
                   2283: 			$answerenv{'answer_output_mode'}='tex';
                   2284: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2285: 			
                   2286: 			&Apache::lonxml::restore_problem_counter();
                   2287: 
1.380     foxr     2288: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2289: 
1.305     sakharuk 2290: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2291: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2292: 			} else {
1.423     foxr     2293: 
                   2294: 			    
                   2295: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2296: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2297: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2298: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2299: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2300: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2301: 			    $body     = &encapsulate_minipage($body);
                   2302: 			    $rendered = $header.$body;
1.305     sakharuk 2303: 			}
                   2304: 		    }
1.511     foxr     2305: 
                   2306: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2307: 			my $url = &Apache::lonnet::clutter($res_url);
                   2308: 			my $annotation = &annotate($url);
                   2309: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2310: 		    }
1.305     sakharuk 2311: 		    if ($remove_latex_header eq 'YES') {
                   2312: 			$rendered = &latex_header_footer_remove($rendered);
                   2313: 		    } else {
                   2314: 			$rendered =~ s/\\end{document}//;
                   2315: 		    }
                   2316: 		    $current_output .= $rendered;		    
1.456     raeburn  2317: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     2318: 		    $printed .= $curresline.':';
1.373     albertel 2319: 		    my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2320: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2321: 			my $url = &Apache::lonnet::clutter($res_url);
                   2322: 			my $annotation = &annotate($url);
                   2323: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2324: 		    }
1.305     sakharuk 2325: 		    if ($remove_latex_header eq 'YES') {
                   2326: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2327: 		    } else {
1.305     sakharuk 2328: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2329: 		    }
1.421     foxr     2330: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
                   2331: 
1.284     albertel 2332: 		} else {
1.414     albertel 2333: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2334: 		    if ($remove_latex_header ne 'NO') {
                   2335: 			$rendered = &latex_header_footer_remove($rendered);
                   2336: 		    } else {
                   2337: 			$rendered =~ s/\\end{document}//;
                   2338: 		    }
                   2339: 		    $current_output .= $rendered;
1.284     albertel 2340: 		}
                   2341: 	    }
                   2342: 	    $remove_latex_header = 'YES';
                   2343: 	}
1.331     albertel 2344: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2345:     }
                   2346:     my $courseidinfo = &get_course();
                   2347:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   2348:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   2349:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2350:     my $header_line =
1.486     foxr     2351: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.476     albertel 2352: 			    $currentassignment, $courseidinfo, $fullname);
                   2353:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2354: 	                                         : '\fancyhead[LO]';
                   2355:     $header_line = $header_start.'{'.$header_line.'}';
                   2356: 
1.284     albertel 2357:     if ($current_output=~/\\documentclass/) {
1.476     albertel 2358: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 2359:     } else {
1.476     albertel 2360: 	my $blankpages = 
                   2361: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2362: 	    
                   2363: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2364: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2365: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2366: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2367:     }
1.440     foxr     2368:     #
                   2369:     #  Close the student bracketing.
                   2370:     #
1.375     foxr     2371:     return ($current_output,$fullname, $printed);
1.284     albertel 2372: 
                   2373: }
1.140     sakharuk 2374: 
1.3       sakharuk 2375: sub handler {
                   2376: 
                   2377:     my $r = shift;
1.397     albertel 2378:     
                   2379:     &init_perm();
1.114     bowersj2 2380: 
1.416     foxr     2381: 
1.67      www      2382: 
1.397     albertel 2383:     my $helper = printHelper($r);
                   2384:     if (!ref($helper)) {
                   2385: 	return $helper;
1.60      sakharuk 2386:     }
1.177     sakharuk 2387:    
1.184     sakharuk 2388: 
1.454     foxr     2389:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2390:  
1.416     foxr     2391: 
1.350     foxr     2392: 
                   2393: 
1.367     foxr     2394:     #  If a figure conversion queue file exists for this user.domain
                   2395:     # we delete it since it can only be bad (if it were good, printout.pl
                   2396:     # would have deleted it the last time around.
                   2397: 
1.373     albertel 2398:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2399:     if(-e $conversion_queuefile) {
                   2400: 	unlink $conversion_queuefile;
                   2401:     }
1.515     foxr     2402:     
                   2403: 
1.184     sakharuk 2404:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2405:     return OK;
1.60      sakharuk 2406: } 
1.2       sakharuk 2407: 
1.131     bowersj2 2408: use Apache::lonhelper;
1.130     sakharuk 2409: 
1.223     bowersj2 2410: sub addMessage {
                   2411:     my $text = shift;
                   2412:     my $paramHash = Apache::lonhelper::getParamHash();
                   2413:     $paramHash->{MESSAGE_TEXT} = $text;
                   2414:     Apache::lonhelper::message->new();
                   2415: }
                   2416: 
1.416     foxr     2417: 
1.238     bowersj2 2418: 
1.397     albertel 2419: sub init_perm {
                   2420:     undef(%perm);
                   2421:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2422:     if (!$perm{'pav'}) {
                   2423: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2424: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2425:     }
1.465     albertel 2426:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2427:     if (!$perm{'pfo'}) {
                   2428: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2429: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2430:     }
                   2431: }
                   2432: 
1.507     albertel 2433: sub get_randomly_ordered_warning {
                   2434:     my ($helper,$map) = @_;
                   2435: 
                   2436:     my $message;
                   2437: 
                   2438:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   2439:     my $navmap = Apache::lonnavmaps::navmap->new();
                   2440:     my $res = $navmap->getResourceByUrl($map);
                   2441:     if ($res) {
                   2442: 	my $func = 
                   2443: 	    sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   2444: 	my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   2445: 	if (@matches) {
1.508     albertel 2446: 	    $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
1.507     albertel 2447: 	}
                   2448:     }
                   2449:     if ($message) {
                   2450: 	return '<message type="warning">'.$message.'</message>';
                   2451:     }
                   2452:     return;
                   2453: }
                   2454: 
1.131     bowersj2 2455: sub printHelper {
1.115     bowersj2 2456:     my $r = shift;
                   2457: 
                   2458:     if ($r->header_only) {
1.373     albertel 2459:         if ($env{'browser.mathml'}) {
1.241     www      2460:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 2461:         } else {
1.241     www      2462:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 2463:         }
                   2464:         $r->send_http_header;
                   2465:         return OK;
1.115     bowersj2 2466:     }
                   2467: 
1.131     bowersj2 2468:     # Send header, nocache
1.373     albertel 2469:     if ($env{'browser.mathml'}) {
1.241     www      2470:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 2471:     } else {
1.241     www      2472:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 2473:     }
                   2474:     &Apache::loncommon::no_cache($r);
                   2475:     $r->send_http_header;
                   2476:     $r->rflush();
                   2477: 
1.131     bowersj2 2478:     # Unfortunately, this helper is so complicated we have to
                   2479:     # write it by hand
                   2480: 
                   2481:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   2482:     
1.176     bowersj2 2483:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 2484:     $helper->declareVar('symb');
1.156     bowersj2 2485:     $helper->declareVar('postdata');    
1.290     sakharuk 2486:     $helper->declareVar('curseed'); 
                   2487:     $helper->declareVar('probstatus');   
1.156     bowersj2 2488:     $helper->declareVar('filename');
                   2489:     $helper->declareVar('construction');
1.178     sakharuk 2490:     $helper->declareVar('assignment');
1.262     sakharuk 2491:     $helper->declareVar('style_file');
1.340     foxr     2492:     $helper->declareVar('student_sort');
1.363     foxr     2493:     $helper->declareVar('FINISHPAGE');
1.366     foxr     2494:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     2495:     $helper->declareVar("showallfoils");
1.483     foxr     2496:     $helper->declareVar("STUDENTS");
1.363     foxr     2497: 
1.518     foxr     2498: 
                   2499:    
                   2500: 
                   2501: 
1.363     foxr     2502:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     2503:     # But we only do this in the initial state so that they are allowed to change.
                   2504:     #
1.366     foxr     2505: 
1.416     foxr     2506:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     2507:     
                   2508:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     2509: 						{'pagebreaks'  => 'scalar',
                   2510: 					         'lastprinttype' => 'scalar'});
                   2511:     
1.483     foxr     2512:     # This will persistently load in the data we want from the
                   2513:     # very first screen.
1.394     foxr     2514:     
                   2515:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   2516: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   2517: 	    
                   2518: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2519: 	} else {
                   2520: 	    my $state = $env{"form.CURRENT_STATE"};
                   2521: 	    if ($state eq "START") {
                   2522: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2523: 	    }
                   2524: 	}
                   2525: 	
1.366     foxr     2526:     }
1.481     albertel 2527: 
1.483     foxr     2528: 
1.156     bowersj2 2529:     # Detect whether we're coming from construction space
1.373     albertel 2530:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 2531:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 2532:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 2533:     } else {
1.373     albertel 2534:         if ($env{'form.postdata'}) {
                   2535:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 2536: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   2537: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   2538: 	    }
1.156     bowersj2 2539:         }
1.373     albertel 2540:         if ($env{'form.symb'}) {
                   2541:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 2542:         }
1.373     albertel 2543:         if ($env{'form.url'}) {
1.156     bowersj2 2544:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   2545:         }
1.416     foxr     2546: 
1.157     bowersj2 2547:     }
1.481     albertel 2548: 
1.373     albertel 2549:     if ($env{'form.symb'}) {
                   2550:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 2551:     }
1.373     albertel 2552:     if ($env{'form.url'}) {
1.140     sakharuk 2553:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 2554: 
1.140     sakharuk 2555:     }
1.343     albertel 2556:     $helper->{VARS}->{'symb'}=
                   2557: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 2558:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 2559:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 2560: 
1.156     bowersj2 2561:     
1.146     bowersj2 2562:     # Extract map
                   2563:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 2564:     my ($map, $id, $url);
                   2565:     my $subdir;
1.483     foxr     2566:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 2567: 
                   2568:     # Get the resource name from construction space
                   2569:     if ($helper->{VARS}->{'construction'}) {
                   2570:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   2571:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   2572:         $subdir = substr($helper->{VARS}->{'filename'},
                   2573:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 2574:     } else {
1.482     albertel 2575: 	if ($symb ne '') {
                   2576: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   2577: 	    $helper->{VARS}->{'postdata'} = 
                   2578: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   2579: 	} else {
                   2580: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     2581: 	    $is_published=1;	# From resource space.
1.482     albertel 2582: 	}
                   2583: 	$url = &Apache::lonnet::clutter($url);
1.481     albertel 2584: 
1.156     bowersj2 2585:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 2586:             my $postdata = $helper->{VARS}->{'postdata'};
                   2587:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 2588:         }
                   2589:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 2590:     }
1.373     albertel 2591:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   2592: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 2593:     }
1.373     albertel 2594:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     2595: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 2596:     }
1.115     bowersj2 2597: 
1.192     bowersj2 2598:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   2599: 
1.481     albertel 2600:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 2601: 
1.131     bowersj2 2602:     # "Delete everything after the last slash."
1.119     bowersj2 2603:     $subdir =~ s|/[^/]+$||;
                   2604: 
1.131     bowersj2 2605:     # What can be printed is a very dynamic decision based on
                   2606:     # lots of factors. So we need to dynamically build this list.
                   2607:     # To prevent security leaks, states are only added to the wizard
                   2608:     # if they can be reached, which ensures manipulating the form input
                   2609:     # won't allow anyone to reach states they shouldn't have permission
                   2610:     # to reach.
                   2611: 
                   2612:     # printChoices is tracking the kind of printing the user can
                   2613:     # do, and will be used in a choices construction later.
                   2614:     # In the meantime we will be adding states and elements to
                   2615:     # the helper by hand.
                   2616:     my $printChoices = [];
                   2617:     my $paramHash;
1.130     sakharuk 2618: 
1.240     albertel 2619:     if ($resourceTitle) {
1.458     www      2620:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 2621:     }
                   2622: 
1.238     bowersj2 2623:     # Useful filter strings
1.287     albertel 2624:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 2625:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 2626:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   2627:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 2628:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   2629:     my $isMap = '$res->is_map()';
1.342     albertel 2630:     my $symbFilter = '$res->shown_symb()';
                   2631:     my $urlValue = '$res->link()';
1.238     bowersj2 2632: 
                   2633:     $helper->declareVar('SEQUENCE');
                   2634: 
1.465     albertel 2635:     # If we're in a sequence...
1.416     foxr     2636: 
1.465     albertel 2637:     my $start_new_option;
                   2638:     if ($perm{'pav'}) {
                   2639: 	$start_new_option = 
                   2640: 	    "<option text='".&mt('Start new page<br />before selected').
                   2641: 	    "' variable='FINISHPAGE' />";
                   2642:     }
1.238     bowersj2 2643: 
1.483     foxr     2644:     if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
1.350     foxr     2645: 
1.243     bowersj2 2646: 	$helper->{VARS}->{'postdata'} &&
                   2647: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 2648:         # Allow problems from sequence
1.458     www      2649:         push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 2650:         # Allow all resources from sequence
1.458     www      2651:         push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.465     albertel 2652: 
1.131     bowersj2 2653:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 2654:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1.435     foxr     2655:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2656:               closeallpages="1">
1.144     bowersj2 2657:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2658:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 2659:       <mapurl>$map</mapurl>
1.238     bowersj2 2660:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2661:       $start_new_option
1.131     bowersj2 2662:       </resource>
                   2663:     </state>
                   2664: 
1.155     sakharuk 2665:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1.435     foxr     2666:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2667:               closeallpages="1">
1.144     bowersj2 2668:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2669:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2670:       <mapurl>$map</mapurl>
1.238     bowersj2 2671:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2672:       $start_new_option
1.131     bowersj2 2673:       </resource>
                   2674:     </state>
                   2675: HELPERFRAGMENT
1.121     bowersj2 2676: 
1.326     sakharuk 2677: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2678:     }
                   2679: 
1.397     albertel 2680:     # If the user has pfo (print for otheres) allow them to print all 
1.354     foxr     2681:     # problems and resources  in the entier course, optionally for selected students
1.483     foxr     2682:     if ($perm{'pfo'} &&  !$is_published  &&
1.481     albertel 2683:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
                   2684: 
1.509     albertel 2685:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   2686: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.284     albertel 2687:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2688:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1.287     albertel 2689:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2690: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2691:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2692:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2693:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2694:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2695:       $start_new_option
1.284     albertel 2696:     </resource>
                   2697:   </state>
1.354     foxr     2698:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2699:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2700:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2701:       <nextstate>PAGESIZE</nextstate>
                   2702:       <filterfunc>return $isNotMap; </filterfunc>
                   2703:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2704:       $start_new_option
1.354     foxr     2705:     </resource>
                   2706:   </state>
1.284     albertel 2707: ALL_PROBLEMS
1.132     bowersj2 2708: 
1.284     albertel 2709: 	if ($helper->{VARS}->{'assignment'}) {
1.483     foxr     2710: 	    push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'problems_for_students', 'CHOOSE_STUDENTS'];
1.474     www      2711: 	    push @{$printChoices}, [&mt("Selected <b>Problems</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 2712: 	}
1.424     foxr     2713: 
1.507     albertel 2714: 	my $randomly_ordered_warning = 
                   2715: 	    &get_randomly_ordered_warning($helper,$map);
                   2716: 
1.424     foxr     2717: 	# resource_selector will hold a few states that:
                   2718: 	#   - Allow resources to be selected for printing.
                   2719: 	#   - Determine pagination between assignments.
                   2720: 	#   - Determine how many assignments should be bundled into a single PDF.
                   2721:         # TODO:
                   2722: 	#    Probably good to do things like separate this up into several vars, each
                   2723: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   2724: 	#    and next states for better mix and match capability
                   2725: 	#
1.284     albertel 2726: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2727:     <state name="SELECT_PROBLEMS" title="Select resources to print">
1.507     albertel 2728:     $randomly_ordered_warning
                   2729: 
1.424     foxr     2730:    <nextstate>PRINT_FORMATTING</nextstate> 
1.284     albertel 2731:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2732:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2733:               closeallpages="1">
1.254     sakharuk 2734:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2735:       <mapurl>$map</mapurl>
1.254     sakharuk 2736:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2737:       $start_new_option
1.147     bowersj2 2738:       </resource>
1.424     foxr     2739:     </state>
                   2740:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 2741:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2742:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2743:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2744:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2745:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2746:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2747:     </choices>
1.424     foxr     2748:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2749:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2750:     <choices variable="SPLIT_PDFS">
                   2751:        <choice computer="all">All assignments in a single PDF file</choice>
                   2752:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2753:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2754:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2755:             Specify the number of assignments per PDF:</choice>
1.429     foxr     2756:     </choices>
1.424     foxr     2757:     </state>
1.284     albertel 2758: RESOURCE_SELECTOR
                   2759: 
                   2760:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2761:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.485     albertel 2762:       <message><b>Select sorting order of printout</b> </message>
1.340     foxr     2763:     <choices variable='student_sort'>
                   2764:       <choice computer='0'>Sort by section then student</choice>
                   2765:       <choice computer='1'>Sort by students across sections.</choice>
                   2766:     </choices>
1.437     foxr     2767:       <message><br /><hr /><br /> </message>
1.425     foxr     2768:       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
1.424     foxr     2769:   </state>
1.284     albertel 2770:     $resource_selector
1.131     bowersj2 2771: CHOOSE_STUDENTS
1.292     albertel 2772: 
1.373     albertel 2773: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2774: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2775:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2776: 	my $namechoice='<choice></choice>';
1.337     albertel 2777: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2778: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2779: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2780: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2781: 	}
1.389     foxr     2782: 
                   2783: 
                   2784: 	my %code_values;
1.405     albertel 2785: 	my %codes_to_print;
1.411     albertel 2786: 	foreach my $key (@names) {
1.389     foxr     2787: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 2788: 	    foreach my $key (keys(%code_values)) {
                   2789: 		$codes_to_print{$key} = 1;
1.388     foxr     2790: 	    }
                   2791: 	}
1.389     foxr     2792: 
1.452     albertel 2793: 	my $code_selection;
1.405     albertel 2794: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     2795: 	    my $choice  = $code;
                   2796: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2797: 		$choice = &letters_to_num($code);
                   2798: 	    }
1.432     albertel 2799: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     2800: 	}
1.436     albertel 2801: 	if (%codes_to_print) {
                   2802: 	    $code_selection .='   
1.472     albertel 2803: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 2804: 		<message></td><td></message>
1.452     albertel 2805: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   2806:                   <choice></choice>
1.448     albertel 2807:                   <exec>
                   2808:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   2809:                   </exec>
1.452     albertel 2810: 		</dropdown>
1.468     foxr     2811: 	    <message></td></tr><tr><td></message>
1.436     albertel 2812:             '.$/;
1.448     albertel 2813: 
1.436     albertel 2814: 	}
1.432     albertel 2815: 
                   2816: 	
1.381     albertel 2817: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2818: 	my $codechoice='';
                   2819: 	foreach my $line (<FH>) {
                   2820: 	    my ($name,$description,$code_type,$code_length)=
                   2821: 		(split(/:/,$line))[0,1,2,4];
                   2822: 	    if ($code_length > 0 && 
                   2823: 		$code_type =~/^(letter|number|-1)/) {
                   2824: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2825: 	    }
                   2826: 	}
                   2827: 	if ($codechoice eq '') {
                   2828: 	    $codechoice='<choice computer="default">Default</choice>';
                   2829: 	}
1.284     albertel 2830:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1.468     foxr     2831:   <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
1.424     foxr     2832:     <nextstate>SELECT_PROBLEMS</nextstate>
1.468     foxr     2833:     <message><h4>Fill out one of the forms below</h4></message>
                   2834:     <message><br /><hr /> <br /></message>
                   2835:     <message><h3>Generate new CODEd Assignments</h3></message>
                   2836:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 2837:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2838:        <validator>
                   2839: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2840: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2841:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   2842: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2843: 	    return "You need to specify the number of assignments to print";
                   2844: 	}
                   2845: 	return undef;
                   2846:        </validator>
                   2847:     </string>
                   2848:     <message></td></tr><tr><td></message>
1.501     albertel 2849:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 2850:     <message></td><td></message>
                   2851:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2852:     <message></td></tr><tr><td></message>
                   2853:     <message><b>Bubble sheet type:</b></message>
                   2854:     <message></td><td></message>
                   2855:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2856:     $codechoice
                   2857:     </dropdown>
1.468     foxr     2858:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                   2859:     <message></td></tr><tr><td></table></message>
1.472     albertel 2860:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
1.468     foxr     2861:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 2862:     <string variable="SINGLE_CODE" size="10">
1.382     foxr     2863:         <validator>
                   2864: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2865: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2866: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     2867: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2868: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2869: 	   } else {
                   2870: 	       return undef;	# Other forces control us.
                   2871: 	   }
                   2872:         </validator>
                   2873:     </string>
1.472     albertel 2874:     <message></td></tr><tr><td></message>
1.432     albertel 2875:         $code_selection
1.468     foxr     2876:     <message></td></tr></table></message>
1.472     albertel 2877:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
1.468     foxr     2878:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 2879:     <message></td><td></message>
1.292     albertel 2880:     <dropdown variable="REUSE_OLD_CODES">
                   2881:         $namechoice
                   2882:     </dropdown>
1.412     albertel 2883:     <message></td></tr></table></message>
1.284     albertel 2884:   </state>
1.424     foxr     2885:   $resource_selector
1.284     albertel 2886: CHOOSE_ANON1
1.254     sakharuk 2887: 
1.272     sakharuk 2888: 
1.254     sakharuk 2889: 	if ($helper->{VARS}->{'assignment'}) {
1.483     foxr     2890: 	    push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>selected people</b>",$sequenceTitle), 'resources_for_students', 'CHOOSE_STUDENTS1'];
1.472     albertel 2891: 	    push @{$printChoices}, [&mt("Selected <b>Resources</b> from folder <b><i>[_1]</i></b> for <b>CODEd assignments</b>",$sequenceTitle), 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 2892: 	}
1.284     albertel 2893: 	    
                   2894: 
                   2895: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2896:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 2897:     $randomly_ordered_warning
                   2898: 
1.424     foxr     2899:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 2900:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2901:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2902:               closeallpages="1">
1.254     sakharuk 2903:       <filterfunc>return $isNotMap;</filterfunc>
                   2904:       <mapurl>$map</mapurl>
                   2905:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2906:       $start_new_option
1.254     sakharuk 2907:       </resource>
1.424     foxr     2908:     </state>
                   2909:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   2910:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 2911:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2912:     <choices variable="EMPTY_PAGES">
                   2913:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2914:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2915:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2916:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2917:     </choices>
1.424     foxr     2918:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2919:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2920:     <choices variable="SPLIT_PDFS">
                   2921:        <choice computer="all">All assignments in a single PDF file</choice>
                   2922:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2923:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2924:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2925:            Specify the number of assignments per PDF:</choice>
1.429     foxr     2926:     </choices>
1.424     foxr     2927:     </state>
1.284     albertel 2928: RESOURCE_SELECTOR
                   2929: 
                   2930: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2931:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     2932:     <choices variable='student_sort'>
                   2933:       <choice computer='0'>Sort by section then student</choice>
                   2934:       <choice computer='1'>Sort by students across sections.</choice>
                   2935:     </choices>
1.437     foxr     2936:     <message><br /><hr /><br /></message>
1.426     foxr     2937:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     2938: 
1.424     foxr     2939:     </state>
1.284     albertel 2940:     $resource_selector
1.254     sakharuk 2941: CHOOSE_STUDENTS1
                   2942: 
1.284     albertel 2943: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 2944:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     2945:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 2946:     <message><h4>Fill out one of the forms below</h4></message>
                   2947:     <message><br /><hr /> <br /></message>
                   2948:     <message><h3>Generate new CODEd Assignments</h3></message>
                   2949:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 2950:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2951:        <validator>
                   2952: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     2953: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2954: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   2955: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2956: 	    return "You need to specify the number of assignments to print";
                   2957: 	}
                   2958: 	return undef;
                   2959:        </validator>
                   2960:     </string>
                   2961:     <message></td></tr><tr><td></message>
1.501     albertel 2962:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 2963:     <message></td><td></message>
                   2964:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2965:     <message></td></tr><tr><td></message>
                   2966:     <message><b>Bubble sheet type:</b></message>
                   2967:     <message></td><td></message>
                   2968:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2969:     $codechoice
                   2970:     </dropdown>
1.472     albertel 2971:     <message></td></tr><tr><td></table></message>
                   2972:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   2973:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 2974:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     2975:         <validator>
                   2976: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2977: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2978: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     2979: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2980: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2981: 	   } else {
                   2982: 	       return undef;	# Other forces control us.
                   2983: 	   }
                   2984:         </validator>
                   2985:     </string>
1.472     albertel 2986:     <message></td></tr><tr><td></message>
1.432     albertel 2987:         $code_selection
1.472     albertel 2988:     <message></td></tr></table></message>
                   2989:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   2990:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 2991:     <message></td><td></message>
1.294     albertel 2992:     <dropdown variable="REUSE_OLD_CODES">
                   2993:         $namechoice
                   2994:     </dropdown>
1.412     albertel 2995:     <message></td></tr></table></message>
1.424     foxr     2996:   </state>
1.284     albertel 2997:     $resource_selector
                   2998: CHOOSE_ANON2
1.481     albertel 2999:     }
                   3000: 
1.121     bowersj2 3001:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3002:     if (($perm{'pav'} 
1.482     albertel 3003: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3004: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3005: 	    ||
                   3006: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3007: 	     && 
                   3008: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3009: 	    )) 
                   3010: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3011: 	) {
1.238     bowersj2 3012: 
1.482     albertel 3013: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
                   3014:         push @{$printChoices}, [&mt("Selected <b>Problems</b> from current subdirectory <b><i>[_1]</i></b>",$pretty_dir), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.139     bowersj2 3015:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3016:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3017: 
1.138     bowersj2 3018:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3019:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3020:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3021: CHOOSE_FROM_SUBDIR
                   3022:         
1.238     bowersj2 3023:         # this is broken up because I really want interpolation above,
                   3024:         # and I really DON'T want it below
1.139     bowersj2 3025:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3026:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3027: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3028:       </filefilter>
1.138     bowersj2 3029:       </files>
1.131     bowersj2 3030:     </state>
                   3031: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3032:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3033:     }
1.238     bowersj2 3034: 
                   3035:     # Allow the user to select any sequence in the course, feed it to
                   3036:     # another resource selector for that sequence
1.483     foxr     3037:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3038: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3039: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3040: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3041: 	#Escape apostrophes and backslashes for Perl
                   3042: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3043: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3044: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3045:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3046:     <message>Select the sequence to print resources from:</message>
                   3047:     <resource variable="SEQUENCE">
                   3048:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3049:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3050:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3051:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3052: 	</choicefunc>
1.238     bowersj2 3053:       </resource>
                   3054:     </state>
                   3055:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3056:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3057:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3058:               closeallpages="1">
1.238     bowersj2 3059:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3060:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3061:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3062:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3063:       $start_new_option
1.238     bowersj2 3064:       </resource>
                   3065:     </state>
                   3066: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3067: }
1.481     albertel 3068: 
1.131     bowersj2 3069:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3070:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3071:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3072:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3073:     Apache::lonhelper::message->new();
                   3074:     $paramHash = Apache::lonhelper::getParamHash();
                   3075:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3076:     $paramHash->{CHOICES} = $printChoices;
                   3077:     Apache::lonhelper::choices->new();
1.161     bowersj2 3078: 
1.223     bowersj2 3079:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3080:                           # to close it later)
                   3081: 
1.397     albertel 3082:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3083: 	($helper->{VARS}->{'construction'} eq '1')) {
1.497     www      3084: 	addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3085:                    '<label for="ANSWER_TYPE_forminput">'.
                   3086:                    &mt('Print').
                   3087:                    "</label>: </td><td>");
1.161     bowersj2 3088:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3089: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3090: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3091:         $paramHash->{CHOICES} = [
1.242     sakharuk 3092:                                    ['Without Answers', 'yes'],
                   3093:                                    ['With Answers', 'no'],
1.368     albertel 3094:                                    ['Only Answers', 'only']
1.289     sakharuk 3095:                                 ];
1.210     sakharuk 3096:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 3097: 	addMessage("</td></tr>");
                   3098: 	$startedTable = 1;
1.161     bowersj2 3099:     }
1.209     sakharuk 3100: 
1.397     albertel 3101:     if ($perm{'pav'}) {
1.223     bowersj2 3102: 	if (!$startedTable) {
1.497     www      3103: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3104:                        '<label for="LATEX_TYPE_forminput">'.
                   3105:                        &mt('LaTeX mode').
                   3106:                        "</label>: </td><td>");
1.223     bowersj2 3107: 	    $startedTable = 1;
                   3108: 	} else {
1.497     www      3109: 	    addMessage("<tr><td align='right'>".
                   3110:                        '<label for="LATEX_TYPE_forminput">'.
                   3111:                         &mt('LaTeX mode').
                   3112:                        "</label>: </td><td>");
1.223     bowersj2 3113: 	}
1.203     sakharuk 3114:         $paramHash = Apache::lonhelper::getParamHash();
                   3115: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3116: 	$helper->declareVar('LATEX_TYPE');  
                   3117: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3118: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3119: 				     ['standard LaTeX mode', 'standard'], 
                   3120: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3121: 	} else {
                   3122: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3123: 				     ['LaTeX batchmode', 'batchmode'],
                   3124: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3125: 	}
1.210     sakharuk 3126:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3127:  
1.497     www      3128: 	addMessage("</td></tr><tr><td align='right'>".
1.506     albertel 3129:                    '<label for="TABLE_CONTENTS_forminput">'.
1.497     www      3130:                    &mt('Print Table of Contents').
                   3131:                    "</label>: </td><td>");
1.209     sakharuk 3132:         $paramHash = Apache::lonhelper::getParamHash();
                   3133: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3134: 	$helper->declareVar('TABLE_CONTENTS');         
                   3135:         $paramHash->{CHOICES} = [
1.223     bowersj2 3136:                                    ['No', 'no'],
                   3137:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3138:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 3139: 	addMessage("</td></tr>");
1.214     sakharuk 3140:         
1.220     sakharuk 3141: 	if (not $helper->{VARS}->{'construction'}) {
1.497     www      3142: 	    addMessage("<tr><td align='right'>".
                   3143:                        '<label for="TABLE_INDEX_forminput">'.
                   3144:                        &mt('Print Index').
                   3145:                        "</label>: </td><td>");
1.220     sakharuk 3146: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3147: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3148: 	    $helper->declareVar('TABLE_INDEX');         
                   3149: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3150: 				     ['No', 'no'],
                   3151: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3152: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 3153: 	    addMessage("</td></tr>");
1.497     www      3154: 	    addMessage("<tr><td align='right'>".
                   3155:                        '<label for="PRINT_DISCUSSIONS_forminput">'.
                   3156:                        &mt('Print Discussions').
                   3157:                        "</label>: </td><td>");
1.309     sakharuk 3158: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3159: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3160: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3161: 	    $paramHash->{CHOICES} = [
                   3162: 				     ['No', 'no'],
                   3163: 				     ['Yes', 'yes'] ];
                   3164: 	    Apache::lonhelper::dropdown->new();
                   3165: 	    addMessage("</td></tr>");
1.372     foxr     3166: 
1.511     foxr     3167: 	    # Prompt for printing annotations too.
                   3168: 		
                   3169: 	    addMessage("<tr><td align='right'>".
                   3170: 		       '<label for="PRINT_ANNOTATIONS_forminput">'.
                   3171: 		       &mt('Print Annotations').
                   3172: 		       "</label>:</td><td>");
                   3173: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3174: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3175: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3176: 	    $paramHash->{CHOICES} = [
                   3177: 				     ['No', 'no'],
                   3178: 				     ['Yes', 'yes']];
                   3179: 	    Apache::lonhelper::dropdown->new();
                   3180: 	    addMessage("</td></tr>");
                   3181: 
1.397     albertel 3182: 	    addMessage("<tr><td align = 'right'>  </td><td>");
                   3183: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3184: 	    $paramHash->{'multichoice'} = "true";
                   3185: 	    $paramHash->{'allowempty'}  = "true";
                   3186: 	    $paramHash->{'variable'}   = "showallfoils";
                   3187: 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   3188: 	    Apache::lonhelper::choices->new();
                   3189: 	    addMessage("</td></tr>");
1.220     sakharuk 3190: 	}
1.219     sakharuk 3191: 
1.230     albertel 3192: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3193: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3194:             my $randseedtext=&mt("Use random seed");
                   3195:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3196:             my $selectfiletext=&mt("Select style file");
1.497     www      3197: 
1.265     sakharuk 3198: 	    my $xmlfrag .= <<"RNDSEED";
1.497     www      3199: 	    <message><tr><td align='right'>
                   3200:             <label for="curseed_forminput">$randseedtext</label>:
                   3201:             </td><td></message>
1.230     albertel 3202: 	    <string variable="curseed" size="15" maxlength="15">
                   3203: 		<defaultvalue>
                   3204: 	            return $helper->{VARS}->{'curseed'};
                   3205: 	        </defaultvalue>
1.262     sakharuk 3206: 	    </string>
1.497     www      3207: 	     <message></td></tr><tr><td align="right">
1.503     albertel 3208:              <label for="style_file">$stylefiletext</label>:
1.497     www      3209:              </td><td></message>
1.504     albertel 3210:              <string variable="style_file" size="40">
                   3211: 		<defaultvalue>
1.505     albertel 3212: 	            return $stylevalue;
1.504     albertel 3213: 	        </defaultvalue>
1.506     albertel 3214:              </string><message>&nbsp; <a href="javascript:openbrowser('helpform','style_file_forminput','sty')">$selectfiletext</a> </td></tr><tr><td></td><td align="left"></message>
1.371     foxr     3215: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.506     albertel 3216:                 <choice computer="1">Show all foils</choice>
1.371     foxr     3217:              </choices>
1.378     albertel 3218: 	     <message></td></tr></message>
1.230     albertel 3219: RNDSEED
                   3220:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3221: 
                   3222: 
                   3223: 	    addMessage("<tr><td>Problem Type:</td><td>");
                   3224: 	    #
                   3225: 	    # Initial value from construction space:
                   3226: 	    #
                   3227: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   3228: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   3229: 	    }
1.518     foxr     3230: 	    $xmlfrag = << "PROBTYPE";
                   3231: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   3232: 		   <defaultvalue>
                   3233: 		      return "$helper->{VARS}->{'probstatus'}";
                   3234:                    </defaultvalue>
                   3235: 		   <choice computer="problem">Homework Problem</choice>
                   3236: 		   <choice computer="exam">Exam Problem</choice>
                   3237: 		   <choice computer="survey">Survey question</choice>
                   3238: 		</dropdown>
                   3239: PROBTYPE
                   3240:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3241: 	    
1.512     foxr     3242: 	    addMessage("</td></tr>"); 
                   3243: 
1.372     foxr     3244: 	} 
1.223     bowersj2 3245:     }
1.264     sakharuk 3246: 
                   3247: 
                   3248: 
1.218     sakharuk 3249: 
1.223     bowersj2 3250:     if ($startedTable) {
                   3251: 	addMessage("</table>");
1.215     sakharuk 3252:     }
1.161     bowersj2 3253: 
1.131     bowersj2 3254:     Apache::lonprintout::page_format_state->new("FORMAT");
                   3255: 
1.144     bowersj2 3256:     # Generate the PAGESIZE state which will offer the user the margin
                   3257:     # choices if they select one column
                   3258:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   3259:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   3260: 
                   3261: 
1.131     bowersj2 3262:     $helper->process();
                   3263: 
1.416     foxr     3264: 
1.131     bowersj2 3265:     # MANUAL BAILOUT CONDITION:
                   3266:     # If we're in the "final" state, bailout and return to handler
                   3267:     if ($helper->{STATE} eq 'FINAL') {
                   3268:         return $helper;
                   3269:     }    
1.130     sakharuk 3270: 
1.131     bowersj2 3271:     $r->print($helper->display());
1.395     www      3272:     if ($helper->{STATE} eq 'START') {
                   3273: 	&recently_generated($r);
                   3274:     }
1.333     albertel 3275:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 3276: 
                   3277:     return OK;
                   3278: }
                   3279: 
1.1       www      3280: 
                   3281: 1;
1.119     bowersj2 3282: 
                   3283: package Apache::lonprintout::page_format_state;
                   3284: 
                   3285: =pod
                   3286: 
1.131     bowersj2 3287: =head1 Helper element: page_format_state
                   3288: 
                   3289: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 3290: 
1.131     bowersj2 3291: Apache::lonprintout::page_format_state is an element that gives the 
                   3292: user an opportunity to select the page layout they wish to print 
                   3293: with: Number of columns, portrait/landscape, and paper size. If you 
                   3294: want to change the paper size choices, change the @paperSize array 
                   3295: contents in this package.
1.119     bowersj2 3296: 
1.131     bowersj2 3297: page_format_state is always directly invoked in lonprintout.pm, so there
                   3298: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 3299: 
                   3300: =over 4
                   3301: 
1.131     bowersj2 3302: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 3303: 
                   3304: =back
                   3305: 
                   3306: =cut
                   3307: 
1.131     bowersj2 3308: use Apache::lonhelper;
1.119     bowersj2 3309: 
                   3310: no strict;
1.131     bowersj2 3311: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 3312: use strict;
1.266     sakharuk 3313: use Apache::lonlocal;
1.373     albertel 3314: use Apache::lonnet;
1.119     bowersj2 3315: 
                   3316: my $maxColumns = 2;
1.376     albertel 3317: # it'd be nice if these all worked
                   3318: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   3319: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   3320: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   3321: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 3322: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 3323: 		 "a4 [210x297 mm]");
1.119     bowersj2 3324: 
                   3325: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   3326: #                   Paper type
                   3327: 
                   3328: sub new { 
1.131     bowersj2 3329:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 3330: 
1.135     bowersj2 3331:     shift;
                   3332: 
1.131     bowersj2 3333:     $self->{'variable'} = shift;
1.134     bowersj2 3334:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 3335:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 3336:     bless($self);
1.119     bowersj2 3337:     return $self;
                   3338: }
                   3339: 
                   3340: sub render {
                   3341:     my $self = shift;
1.131     bowersj2 3342:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 3343:     my $result = '';
1.131     bowersj2 3344:     my $var = $self->{'variable'};
1.266     sakharuk 3345:     my $PageLayout=&mt('Page layout');
                   3346:     my $NumberOfColumns=&mt('Number of columns');
                   3347:     my $PaperType=&mt('Paper type');
1.506     albertel 3348:     my $landscape=&mt('Landscape');
                   3349:     my $portrait=&mt('Portrait');
1.119     bowersj2 3350:     $result .= <<STATEHTML;
                   3351: 
1.223     bowersj2 3352: <hr width="33%" />
1.119     bowersj2 3353: <table cellpadding="3">
                   3354:   <tr>
1.266     sakharuk 3355:     <td align="center"><b>$PageLayout</b></td>
                   3356:     <td align="center"><b>$NumberOfColumns</b></td>
                   3357:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 3358:   </tr>
                   3359:   <tr>
                   3360:     <td>
1.506     albertel 3361:       <label><input type="radio" name="${var}.layout" value="L" /> $landscape </label><br />
                   3362:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> $portrait </label>
1.119     bowersj2 3363:     </td>
1.155     sakharuk 3364:     <td align="center">
1.119     bowersj2 3365:       <select name="${var}.cols">
                   3366: STATEHTML
                   3367: 
                   3368:     my $i;
                   3369:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 3370:         if ($i == 2) {
1.119     bowersj2 3371:             $result .= "<option value='$i' selected>$i</option>\n";
                   3372:         } else {
                   3373:             $result .= "<option value='$i'>$i</option>\n";
                   3374:         }
                   3375:     }
                   3376: 
                   3377:     $result .= "</select></td><td>\n";
                   3378:     $result .= "<select name='${var}.paper'>\n";
                   3379: 
1.373     albertel 3380:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 3381:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   3382:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 3383:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 3384:     $i = 0;
                   3385:     foreach (@paperSize) {
1.326     sakharuk 3386: 	$_=~/(\w+)/;
                   3387: 	my $papersize=$1;
1.304     sakharuk 3388:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 3389:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 3390:         } else {
1.326     sakharuk 3391:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 3392:         }
                   3393:         $i++;
                   3394:     }
                   3395:     $result .= "</select></td></tr></table>";
                   3396:     return $result;
1.135     bowersj2 3397: }
                   3398: 
                   3399: sub postprocess {
                   3400:     my $self = shift;
                   3401: 
                   3402:     my $var = $self->{'variable'};
1.136     bowersj2 3403:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 3404:     $helper->{VARS}->{$var} = 
1.373     albertel 3405:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   3406:         $env{"form.$var.paper"};
1.135     bowersj2 3407:     return 1;
1.119     bowersj2 3408: }
                   3409: 
                   3410: 1;
1.144     bowersj2 3411: 
                   3412: package Apache::lonprintout::page_size_state;
                   3413: 
                   3414: =pod
                   3415: 
                   3416: =head1 Helper element: page_size_state
                   3417: 
                   3418: See lonhelper.pm documentation for discussion of the helper framework.
                   3419: 
                   3420: Apache::lonprintout::page_size_state is an element that gives the 
                   3421: user the opportunity to further refine the page settings if they
                   3422: select a single-column page.
                   3423: 
                   3424: page_size_state is always directly invoked in lonprintout.pm, so there
                   3425: is no tag interface. You actually pass parameters to the constructor.
                   3426: 
                   3427: =over 4
                   3428: 
                   3429: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   3430: 
                   3431: =back
                   3432: 
                   3433: =cut
                   3434: 
                   3435: use Apache::lonhelper;
1.373     albertel 3436: use Apache::lonnet;
1.144     bowersj2 3437: no strict;
                   3438: @ISA = ("Apache::lonhelper::element");
                   3439: use strict;
                   3440: 
                   3441: 
                   3442: 
                   3443: sub new { 
                   3444:     my $self = Apache::lonhelper::element->new();
                   3445: 
                   3446:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   3447:            # package descriptor)... - Jeremy
                   3448: 
                   3449:     $self->{'variable'} = shift;
                   3450:     my $helper = Apache::lonhelper::getHelper();
                   3451:     $helper->declareVar($self->{'variable'});
                   3452: 
                   3453:     # The variable name of the format element, so we can look into 
                   3454:     # $helper->{VARS} to figure out whether the columns are one or two
                   3455:     $self->{'formatvar'} = shift;
                   3456: 
1.463     foxr     3457: 
1.144     bowersj2 3458:     $self->{NEXTSTATE} = shift;
                   3459:     bless($self);
1.467     foxr     3460: 
1.144     bowersj2 3461:     return $self;
                   3462: }
                   3463: 
                   3464: sub render {
                   3465:     my $self = shift;
                   3466:     my $helper = Apache::lonhelper::getHelper();
                   3467:     my $result = '';
                   3468:     my $var = $self->{'variable'};
                   3469: 
1.467     foxr     3470: 
                   3471: 
1.144     bowersj2 3472:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 3473:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 3474:     }
                   3475: 
1.438     foxr     3476:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     3477: 
                   3478:     # Use format to get sensible defaults for the margins:
                   3479: 
                   3480: 
                   3481:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3482:     ($papersize)                      = split(/ /, $papersize);
                   3483: 
                   3484: 
                   3485:     if ($laystyle eq 'L') {
                   3486: 	$laystyle = 'album';
                   3487:     } else {
                   3488: 	$laystyle = 'book';
                   3489:     }
                   3490: 
                   3491: 
1.464     albertel 3492:     my %size;
                   3493:     ($size{'width_and_units'},
                   3494:      $size{'height_and_units'},
                   3495:      $size{'margin_and_units'})=
                   3496: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     3497:     
1.464     albertel 3498:     foreach my $dimension ('width','height','margin') {
                   3499: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   3500: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   3501:        	
                   3502: 	foreach my $unit ('cm','in') {
                   3503: 	    $size{$dimension.'_options'} .= '<option ';
                   3504: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   3505: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   3506: 	    }
                   3507: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   3508: 	}
1.438     foxr     3509:     }
                   3510: 
1.470     foxr     3511:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   3512: 
                   3513:     if ($size{'margin_unit'} eq 'in') {
                   3514: 	$size{'margin'} += 1;
                   3515:     }  else {
                   3516: 	$size{'margin'} += 2.54;
                   3517:     }
1.506     albertel 3518:     my %text = ('format' => 'How should each column be formatted?',
                   3519: 		'width'  => 'Width:',
                   3520: 		'height' => 'Height:',
                   3521: 		'margin' => 'Left Margin:',);
                   3522:     %text = &Apache::lonlocal::texthash(%text);
                   3523: 
1.144     bowersj2 3524:     $result .= <<ELEMENTHTML;
                   3525: 
1.506     albertel 3526: <p>$text{'format'}</p>
1.144     bowersj2 3527: 
                   3528: <table cellpadding='3'>
                   3529:   <tr>
1.506     albertel 3530:     <td align='right'><b>$text{'width'}</b></td>
1.464     albertel 3531:     <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
1.144     bowersj2 3532:     <td align='left'>
                   3533:       <select name='$var.widthunit'>
1.464     albertel 3534:       $size{'width_options'}
1.144     bowersj2 3535:       </select>
                   3536:     </td>
                   3537:   </tr>
                   3538:   <tr>
1.506     albertel 3539:     <td align='right'><b>$text{'height'}</b></td>
1.464     albertel 3540:     <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
1.144     bowersj2 3541:     <td align='left'>
                   3542:       <select name='$var.heightunit'>
1.464     albertel 3543:       $size{'height_options'}
1.144     bowersj2 3544:       </select>
                   3545:     </td>
                   3546:   </tr>
                   3547:   <tr>
1.506     albertel 3548:     <td align='right'><b>$text{'margin'}</b></td>
1.464     albertel 3549:     <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
1.144     bowersj2 3550:     <td align='left'>
1.186     bowersj2 3551:       <select name='$var.lmarginunit'>
1.464     albertel 3552:       $size{'margin_options'}
1.144     bowersj2 3553:       </select>
                   3554:     </td>
                   3555:   </tr>
                   3556: </table>
                   3557: 
1.464     albertel 3558: <!--<p>Hint: Some instructors like to leave scratch space for the student by
                   3559: making the width much smaller than the width of the page.</p>-->
1.144     bowersj2 3560: 
                   3561: ELEMENTHTML
                   3562: 
                   3563:     return $result;
                   3564: }
                   3565: 
1.470     foxr     3566: 
1.144     bowersj2 3567: sub preprocess {
                   3568:     my $self = shift;
                   3569:     my $helper = Apache::lonhelper::getHelper();
                   3570: 
                   3571:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     3572: 
                   3573:     #  If the user does not have 'pav' privilege, set default widths and
                   3574:     #  on to the next state right away.
                   3575:     #
                   3576:     if (!$perm{'pav'}) {
                   3577: 	my $var = $self->{'variable'};
                   3578: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   3579: 	
                   3580: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3581: 	($papersize)                      = split(/ /, $papersize);
                   3582: 	
                   3583: 	
                   3584: 	if ($laystyle eq 'L') {
                   3585: 	    $laystyle = 'album';
                   3586: 	} else {
                   3587: 	    $laystyle = 'book';
                   3588: 	}
                   3589: 	#  Figure out some good defaults for the print out and set them:
                   3590: 	
                   3591: 	my %size;
                   3592: 	($size{'width'},
                   3593: 	 $size{'height'},
                   3594: 	 $size{'lmargin'})=
                   3595: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   3596: 	
                   3597: 	foreach my $dim ('width', 'height', 'lmargin') {
                   3598: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     3599: 	    	    
1.467     foxr     3600: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   3601: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   3602: 	    
                   3603: 	}
                   3604: 	
                   3605: 
                   3606: 	# Transition to the next state
                   3607: 
                   3608: 	$helper->changeState($self->{NEXTSTATE});
                   3609:     }
1.144     bowersj2 3610:    
                   3611:     return 1;
                   3612: }
                   3613: 
                   3614: sub postprocess {
                   3615:     my $self = shift;
                   3616: 
                   3617:     my $var = $self->{'variable'};
                   3618:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 3619:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   3620:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   3621:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   3622:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   3623:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   3624:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 3625: 
                   3626:     my $error = '';
                   3627: 
                   3628:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   3629:     # by an optional period, followed by digits, ending the string
                   3630: 
1.464     albertel 3631:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3632:         $error .= "Invalid width; please type only a number.<br />\n";
                   3633:     }
1.464     albertel 3634:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3635:         $error .= "Invalid height; please type only a number.<br />\n";
                   3636:     }
1.464     albertel 3637:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3638:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     3639:     } else {
                   3640: 	# Adjust for LaTeX 1.0 inch margin:
                   3641: 
                   3642: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   3643: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   3644: 	} else {
                   3645: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   3646: 	}
1.144     bowersj2 3647:     }
                   3648: 
                   3649:     if (!$error) {
                   3650:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   3651:         return 1;
                   3652:     } else {
                   3653:         $self->{ERROR_MSG} = $error;
                   3654:         return 0;
                   3655:     }
                   3656: }
                   3657: 
                   3658: 
1.119     bowersj2 3659: 
1.1       www      3660: __END__
1.6       sakharuk 3661: 

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