Annotation of loncom/interface/lonprintout.pm, revision 1.536

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.536   ! foxr        4: # $Id: lonprintout.pm,v 1.535 2008/06/19 00:28:42 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;
1.531     foxr       42: use Apache::entities;
                     43: 
1.515     foxr       44: use HTTP::Response;
1.511     foxr       45: 
1.491     albertel   46: use LONCAPA::map();
1.34      sakharuk   47: use POSIX qw(strftime);
1.255     www        48: use Apache::lonlocal;
1.429     foxr       49: use Carp;
1.439     www        50: use LONCAPA;
1.60      sakharuk   51: 
1.397     albertel   52: my %perm;
1.454     foxr       53: my %parmhash;
1.459     foxr       54: my $resources_printed;
1.454     foxr       55: 
1.515     foxr       56: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     57: #
                     58: 
                     59: my $ssi_error;			# True if there was an ssi error.
                     60: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     61: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     62: 
                     63: #
                     64: #  Our ssi max retry count.
                     65: #
                     66: 
                     67: my $ssi_retry_count = 5;	# Some arbitrary value.
                     68: 
                     69: 
                     70: 
1.498     foxr       71: # Fetch the contents of a resource, uninterpreted.
                     72: # This is used here to fetch a latex file to be included
                     73: # verbatim into the printout<
                     74: # NOTE: Ask Guy if there is a lonnet function similar to this?
                     75: #
                     76: # Parameters:
                     77: #   URL of the file
                     78: #
                     79: sub fetch_raw_resource {
                     80:     my ($url) = @_;
                     81: 
                     82:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr       83:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr       84: 
1.500     foxr       85:     if ($contents == -1) {
                     86: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr       87:     }
1.500     foxr       88:     return $contents;
1.498     foxr       89: 
                     90:     
                     91: }
                     92: 
1.511     foxr       93: #  Fetch the annotations associated with a URL and 
                     94: #  put a centered 'annotations:' title.
                     95: #  This is all suppressed if the annotations are empty.
                     96: #
                     97: sub annotate {
                     98:     my ($symb) = @_;
                     99: 
                    100:     my $annotation_text = &Apache::admannotations::get_annotation($symb, 1);
                    101: 
                    102: 
                    103:     my $result = "";
                    104: 
                    105:     if (length($annotation_text) > 0) {
                    106: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    107: 	$result .= "\n";
                    108: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    109: 	$result .= "\n\n";
                    110:     }
                    111:     return $result;
                    112: }
                    113: 
1.515     foxr      114: 
                    115: #
                    116: #   ssi_with_retries - Does the server side include of a resource.
                    117: #                      if the ssi call returns an error we'll retry it up to
                    118: #                      the number of times requested by the caller.
                    119: #                      If we still have a proble, no text is appended to the
                    120: #                      output and we set some global variables.
1.523     raeburn   121: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      122: #                      All of this is supposed to deal with the issues described
                    123: #                      in LonCAPA BZ 5631 see:
                    124: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    125: #                      by informing the user that this happened.
                    126: #
                    127: # Parameters:
                    128: #   resource   - The resource to include.  This is passed directly, without
                    129: #                interpretation to lonnet::ssi.
                    130: #   form       - The form hash parameters that guide the interpretation of the resource
                    131: #                
                    132: #   retries    - Number of retries allowed before giving up completely.
                    133: # Returns:
                    134: #   On success, returns the rendered resource identified by the resource parameter.
                    135: # Side Effects:
                    136: #   The following global variables can be set:
1.523     raeburn   137: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      138: #                               It is up to the caller to initialize this to false
                    139: #                               if desired.
1.523     raeburn   140: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      141: #                               of the resource that could not be rendered by the ssi
                    142: #                               call.
                    143: #    ssi_last_error           - The error string fetched from the ssi response
                    144: #                               in the event of an error.
                    145: #
                    146: sub ssi_with_retries {
                    147:     my ($resource, $retries, %form) = @_;
                    148: 
                    149: 
1.516     foxr      150:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    151:     if (!$response->is_success) {
1.515     foxr      152: 	$ssi_error               = 1;
                    153: 	$ssi_last_error_resource = $resource;
1.516     foxr      154: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   155:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      156: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      157:     }
1.516     foxr      158: 
                    159:     return $content;
                    160: 
1.515     foxr      161: }
                    162: 
1.524     www       163: sub get_student_view_with_retries {
                    164:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    165: 
                    166:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    167:     if (!$response->is_success) {
                    168:         $ssi_error               = 1;
1.526     www       169:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       170:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   171:         $content='\section*{!!! An error occurred !!!}';
1.526     www       172:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       173:     }
                    174:     return $content;
                    175: 
                    176: }
                    177: 
1.486     foxr      178: #
                    179: #   printf_style_subst  item format_string repl
                    180: #  
                    181: # Does printf style substitution for a format string that
                    182: # can have %[n]item in it.. wherever, %[n]item occurs,
                    183: # rep is substituted in format_string.  Note that
                    184: # [n] is an optional integer length.  If provided,
                    185: # repl is truncated to at most [n] characters prior to 
                    186: # substitution.
                    187: #
                    188: sub printf_style_subst {
                    189:     my ($item, $format_string, $repl) = @_;
1.490     foxr      190:     my $result = "";
                    191:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  192: 	my $fmt = $1;
                    193: 	my $size = $2;
1.486     foxr      194: 	my $subst = $repl;
                    195: 	if ($size ne "") {
                    196: 	    $subst = substr($subst, 0, $size);
1.490     foxr      197: 	    
                    198: 	    #  Here's a nice edge case.. supose the end of the
                    199: 	    #  substring is a \.  In that case may have  just
                    200: 	    #  chopped off a TeX escape... in that case, we append
                    201: 	    #   " " for the trailing character, and let the field 
                    202: 	    #  spill over a bit (sigh).
                    203: 	    #  We don't just chop off the last character in order to deal
                    204: 	    #  with one last pathology, and that would be if substr had
                    205: 	    #  trimmed us to e.g. \\\  
                    206: 
                    207: 
                    208: 	    if ($subst =~ /\\$/) {
                    209: 		$subst .= " ";
                    210: 	    }
1.486     foxr      211: 	}
1.490     foxr      212: 	my $item_pos = pos($format_string);
                    213: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    214:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      215:     }
1.490     foxr      216: 
                    217:     # Put the residual format string into the result:
                    218: 
                    219:     $result .= $format_string;
                    220: 
                    221:     return $result;
1.486     foxr      222: }
                    223: 
1.454     foxr      224: 
                    225: # Format a header according to a format.  
                    226: # 
                    227: 
                    228: # Substitutions:
                    229: #     %a    - Assignment name.
                    230: #     %c    - Course name.
                    231: #     %n    - Student name.
                    232: #
                    233: sub format_page_header {
1.486     foxr      234:     my ($width, $format, $assignment, $course, $student) = @_;
1.454     foxr      235:     
1.486     foxr      236:     $width = &recalcto_mm($width); # Get width in mm.
1.454     foxr      237:     #  Default format?
                    238: 
                    239:     if ($format eq '') {
1.486     foxr      240: 	# For the default format, we may need to truncate
                    241: 	# elements..  To do this we need to get the page width.
                    242: 	# we assume that each character is about 2mm in width.
                    243: 	# (correct for the header text size??).  We ignore
                    244: 	# any formatting (e.g. boldfacing in this).
                    245: 	# 
                    246: 	# - Allow the student/course to be one line.
                    247: 	#   but only truncate the course.
                    248: 	# - Allow the assignment to be 2 lines (wrapped).
                    249: 	#
                    250: 	my $chars_per_line = $width/2; # Character/textline.
                    251: 
                    252: 
                    253: 	my $firstline = "$student $course";
                    254: 	if (length($firstline) > $chars_per_line) {
                    255: 	    my $lastchar = $chars_per_line - length($student) - 1;
                    256: 	    if ($lastchar > 0) {
                    257: 		$course = substr($course, 0, $lastchar);
                    258: 	    } else {		# Nothing left of course:
                    259: 		$course = '';
                    260: 	    }
                    261: 	}
                    262: 	if (length($assignment) > $chars_per_line) {
                    263: 	    $assignment = substr($assignment, 0, $chars_per_line);
                    264: 	}
                    265: 	
1.454     foxr      266: 	$format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
                    267: 	
                    268:     } else {
1.486     foxr      269: 	# An open question is how to handle long user formatted page headers...
                    270: 	# A possible future is to support e.g. %na so that the user can control
                    271: 	# the truncation of the elements that can appear in the header.
                    272: 	#
                    273: 	$format =  &printf_style_subst("a", $format, $assignment);
                    274: 	$format =  &printf_style_subst("c", $format, $course);
                    275: 	$format =  &printf_style_subst("n", $format, $student);
1.489     foxr      276: 
                    277: 	# If the user put %'s in the format string, they  must be escaped
                    278: 	# to \% else LaTeX will think they are comments and terminate
                    279: 	# the line.. which is bad!!!
                    280: 
1.490     foxr      281: 
1.454     foxr      282:     }
                    283:     
                    284: 
                    285:     return $format;
                    286:     
                    287: }
1.397     albertel  288: 
1.385     foxr      289: #
                    290: #   Convert a numeric code to letters
                    291: #
                    292: sub num_to_letters {
                    293:     my ($num) = @_;
                    294:     my @nums= split('',$num);
                    295:     my @num_to_let=('A'..'Z');
                    296:     my $word;
                    297:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    298:     return $word;
                    299: }
                    300: #   Convert a letter code to numeric.
                    301: #
                    302: sub letters_to_num {
                    303:     my ($letters) = @_;
                    304:     my @letters = split('', uc($letters));
1.490     foxr      305:    my %substitution;
1.385     foxr      306:     my $digit = 0;
                    307:     foreach my $letter ('A'..'J') {
                    308: 	$substitution{$letter} = $digit;
                    309: 	$digit++;
                    310:     }
                    311:     #  The substitution is done as below to preserve leading
                    312:     #  zeroes which are needed to keep the code size exact
                    313:     #
                    314:     my $result ="";
                    315:     foreach my $letter (@letters) {
                    316: 	$result.=$substitution{$letter};
                    317:     }
                    318:     return $result;
                    319: }
                    320: 
1.383     foxr      321: #  Determine if a code is a valid numeric code.  Valid
                    322: #  numeric codes must be comprised entirely of digits and
1.384     albertel  323: #  have a correct number of digits.
1.383     foxr      324: #
                    325: #  Parameters:
                    326: #     value      - proposed code value.
1.384     albertel  327: #     num_digits - Number of digits required.
1.383     foxr      328: #
                    329: sub is_valid_numeric_code {
1.384     albertel  330:     my ($value, $num_digits) = @_;
1.383     foxr      331:     #   Remove leading/trailing whitespace;
1.387     foxr      332:     $value =~ s/^\s*//g;
                    333:     $value =~ s/\s*$//g;
1.383     foxr      334:     
                    335:     #  All digits?
1.387     foxr      336:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      337: 	return "Numeric code $value has invalid characters - must only be digits";
                    338:     }
1.384     albertel  339:     if (length($value) != $num_digits) {
                    340: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    341:     }
1.385     foxr      342:     return undef;
1.383     foxr      343: }
                    344: #   Determines if a code is a valid alhpa code.  Alpha codes
                    345: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  346: #   They also have a correct digit count.
1.383     foxr      347: # Parameters:
                    348: #     value          - Proposed code value.
1.384     albertel  349: #     num_letters    - correct number of letters.
1.383     foxr      350: # Note:
                    351: #    leading and trailing whitespace are ignored.
                    352: #
                    353: sub is_valid_alpha_code {
1.384     albertel  354:     my ($value, $num_letters) = @_;
1.383     foxr      355:     
                    356:      # strip leading and trailing spaces.
                    357: 
                    358:     $value =~ s/^\s*//g;
                    359:     $value =~ s/\s*$//g;
                    360: 
                    361:     #  All alphas in the right range?
1.384     albertel  362:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      363: 	return "Invalid letter code $value must only contain A-J";
                    364:     }
1.384     albertel  365:     if (length($value) != $num_letters) {
                    366: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    367:     }
1.385     foxr      368:     return undef;
1.383     foxr      369: }
                    370: 
1.382     foxr      371: #   Determine if a code entered by the user in a helper is valid.
                    372: #   valid depends on the code type and the type of code selected.
                    373: #   The type of code selected can either be numeric or 
                    374: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    375: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    376: #   We'll be nice and be case insensitive for alpha codes.
                    377: # Parameters:
                    378: #    code_value    - the value of the code the user typed in.
                    379: #    code_option   - The code type selected from the set in the scantron format
                    380: #                    table.
                    381: # Returns:
                    382: #    undef         - The code is valid.
                    383: #    other         - An error message indicating what's wrong.
                    384: #
                    385: sub is_code_valid {
                    386:     my ($code_value, $code_option) = @_;
1.383     foxr      387:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
                    388:     open(FG, $Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                    389:     foreach my $line (<FG>) {
                    390: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    391: 	if($name eq $code_option) {
                    392: 	    $code_length = $length;
                    393: 	    if($type eq 'number') {
                    394: 		$code_type = 'number';
                    395: 	    }
                    396: 	}
                    397:     }
                    398:     my $valid;
                    399:     if ($code_type eq 'number') {
1.385     foxr      400: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      401:     } else {
1.385     foxr      402: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      403:     }
1.382     foxr      404: 
                    405: }
                    406: 
1.341     foxr      407: #   Compare two students by name.  The students are in the form
                    408: #   returned by the helper:
                    409: #      user:domain:section:last,   first:status
                    410: #   This is a helper function for the perl sort built-in  therefore:
                    411: # Implicit Inputs:
                    412: #    $a     - The first element to compare (global)
                    413: #    $b     - The second element to compare (global)
                    414: # Returns:
                    415: #   -1   - $a < $b
                    416: #    0   - $a == $b
                    417: #   +1   - $a > $b
                    418: #   Note that the initial comparison is done on the last names with the
                    419: #   first names only used to break the tie.
                    420: #
                    421: #
                    422: sub compare_names {
                    423:     #  First split the names up into the primary fields.
                    424: 
                    425:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    426:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    427: 
                    428:     # Now split the last name and first name of each n:
                    429:     #
                    430: 
                    431:     my ($l1,$f1) = split(/,/, $n1);
                    432:     my ($l2,$f2) = split(/,/, $n2);
                    433: 
                    434:     # We don't bother to remove the leading/trailing whitespace from the
                    435:     # firstname, unless the last names compare identical.
                    436: 
                    437:     if($l1 lt $l2) {
                    438: 	return -1;
                    439:     }
                    440:     if($l1 gt $l2) {
                    441: 	return  1;
                    442:     }
                    443: 
                    444:     # Break the tie on the first name, but there are leading (possibly trailing
                    445:     # whitespaces to get rid of first 
                    446:     #
                    447:     $f1 =~ s/^\s+//;		# Remove leading...
                    448:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    449:     
                    450:     $f2 =~ s/^\s+//;
                    451:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    452: 
                    453:     if($f1 lt $f2) {
                    454: 	return -1;
                    455:     }
                    456:     if($f1 gt $f2) {
                    457: 	return 1;
                    458:     }
                    459:     
                    460:     #  Must be the same name.
                    461: 
                    462:     return 0;
                    463: }
                    464: 
1.71      sakharuk  465: sub latex_header_footer_remove {
                    466:     my $text = shift;
                    467:     $text =~ s/\\end{document}//;
                    468:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    469:     return $text;
                    470: }
1.423     foxr      471: #
                    472: #  If necessary, encapsulate text inside 
                    473: #  a minipage env.
                    474: #  necessity is determined by the problem_split param.
                    475: #
                    476: sub encapsulate_minipage {
                    477:     my ($text) = @_;
1.427     albertel  478:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      479: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    480:     }
                    481:     return $text;
                    482: }
1.429     foxr      483: #
                    484: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    485: #  variables interact, this sub looks at these two parameters
                    486: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    487: #     all     - if SPLIT_PDFS eq 'all'.
                    488: #     1       - if SPLIT_PDFS eq 'oneper'
                    489: #     section - if SPLIT_PDFS eq 'sections'
                    490: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    491: #
                    492: sub adjust_number_to_print {
                    493:     my $helper = shift;
1.71      sakharuk  494: 
1.429     foxr      495:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    496:     
                    497:     if ($split_pdf eq 'all') {
                    498: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    499:     } elsif ($split_pdf eq 'oneper') {
                    500: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    501:     } elsif ($split_pdf eq 'sections') {
                    502: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    503:     } elsif ($split_pdf eq 'usenumber') {
                    504: 	#  Unmodified.
                    505:     } else {
                    506: 	# Error!!!!
1.536   ! foxr      507: 	
        !           508: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      509: 
                    510:     }
                    511: }
1.71      sakharuk  512: 
1.531     foxr      513: 
1.37      sakharuk  514: sub character_chart {
1.531     foxr      515:     my $result = shift;
                    516:     return  &Apache::entities::replace_entities($result);
                    517: }
                    518: 
                    519: sub old_character_chart {
1.37      sakharuk  520:     my $result = shift;	
1.116     sakharuk  521:     $result =~ s/&\#0?0?(7|9);//g;
                    522:     $result =~ s/&\#0?(10|13);//g;
                    523:     $result =~ s/&\#0?32;/ /g;
                    524:     $result =~ s/&\#0?33;/!/g;
                    525:     $result =~ s/&(\#0?34|quot);/\"/g;
                    526:     $result =~ s/&\#0?35;/\\\#/g;
                    527:     $result =~ s/&\#0?36;/\\\$/g;
                    528:     $result =~ s/&\#0?37;/\\%/g; 
                    529:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    530:     $result =~ s/&\#(0?39|146);/\'/g;
                    531:     $result =~ s/&\#0?40;/(/g;
                    532:     $result =~ s/&\#0?41;/)/g;
                    533:     $result =~ s/&\#0?42;/\*/g;
                    534:     $result =~ s/&\#0?43;/\+/g;
                    535:     $result =~ s/&\#(0?44|130);/,/g;
                    536:     $result =~ s/&\#0?45;/-/g;
                    537:     $result =~ s/&\#0?46;/\./g;
                    538:     $result =~ s/&\#0?47;/\//g;
                    539:     $result =~ s/&\#0?48;/0/g;
                    540:     $result =~ s/&\#0?49;/1/g;
                    541:     $result =~ s/&\#0?50;/2/g;
                    542:     $result =~ s/&\#0?51;/3/g;
                    543:     $result =~ s/&\#0?52;/4/g;
                    544:     $result =~ s/&\#0?53;/5/g;
                    545:     $result =~ s/&\#0?54;/6/g;
                    546:     $result =~ s/&\#0?55;/7/g;
                    547:     $result =~ s/&\#0?56;/8/g;
                    548:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  549:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  550:     $result =~ s/&\#0?59;/;/g;
                    551:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  552:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    553:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  554:     $result =~ s/&\#0?63;/\?/g;
                    555:     $result =~ s/&\#0?65;/A/g;
                    556:     $result =~ s/&\#0?66;/B/g;
                    557:     $result =~ s/&\#0?67;/C/g;
                    558:     $result =~ s/&\#0?68;/D/g;
                    559:     $result =~ s/&\#0?69;/E/g;
                    560:     $result =~ s/&\#0?70;/F/g;
                    561:     $result =~ s/&\#0?71;/G/g;
                    562:     $result =~ s/&\#0?72;/H/g;
                    563:     $result =~ s/&\#0?73;/I/g;
                    564:     $result =~ s/&\#0?74;/J/g;
                    565:     $result =~ s/&\#0?75;/K/g;
                    566:     $result =~ s/&\#0?76;/L/g;
                    567:     $result =~ s/&\#0?77;/M/g;
                    568:     $result =~ s/&\#0?78;/N/g;
                    569:     $result =~ s/&\#0?79;/O/g;
                    570:     $result =~ s/&\#0?80;/P/g;
                    571:     $result =~ s/&\#0?81;/Q/g;
                    572:     $result =~ s/&\#0?82;/R/g;
                    573:     $result =~ s/&\#0?83;/S/g;
                    574:     $result =~ s/&\#0?84;/T/g;
                    575:     $result =~ s/&\#0?85;/U/g;
                    576:     $result =~ s/&\#0?86;/V/g;
                    577:     $result =~ s/&\#0?87;/W/g;
                    578:     $result =~ s/&\#0?88;/X/g;
                    579:     $result =~ s/&\#0?89;/Y/g;
                    580:     $result =~ s/&\#0?90;/Z/g;
                    581:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  582:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  583:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  584:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  585:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    586:     $result =~ s/&\#(0?96|145);/\`/g;
                    587:     $result =~ s/&\#0?97;/a/g;
                    588:     $result =~ s/&\#0?98;/b/g;
                    589:     $result =~ s/&\#0?99;/c/g;
                    590:     $result =~ s/&\#100;/d/g;
                    591:     $result =~ s/&\#101;/e/g;
                    592:     $result =~ s/&\#102;/f/g;
                    593:     $result =~ s/&\#103;/g/g;
                    594:     $result =~ s/&\#104;/h/g;
                    595:     $result =~ s/&\#105;/i/g;
                    596:     $result =~ s/&\#106;/j/g;
                    597:     $result =~ s/&\#107;/k/g;
                    598:     $result =~ s/&\#108;/l/g;
                    599:     $result =~ s/&\#109;/m/g;
                    600:     $result =~ s/&\#110;/n/g;
                    601:     $result =~ s/&\#111;/o/g;
                    602:     $result =~ s/&\#112;/p/g;
                    603:     $result =~ s/&\#113;/q/g;
                    604:     $result =~ s/&\#114;/r/g;
                    605:     $result =~ s/&\#115;/s/g;
                    606:     $result =~ s/&\#116;/t/g;
                    607:     $result =~ s/&\#117;/u/g;
                    608:     $result =~ s/&\#118;/v/g;
                    609:     $result =~ s/&\#119;/w/g;
                    610:     $result =~ s/&\#120;/x/g;
                    611:     $result =~ s/&\#121;/y/g;
                    612:     $result =~ s/&\#122;/z/g;
                    613:     $result =~ s/&\#123;/\\{/g;
                    614:     $result =~ s/&\#124;/\|/g;
                    615:     $result =~ s/&\#125;/\\}/g;
                    616:     $result =~ s/&\#126;/\~/g;
                    617:     $result =~ s/&\#131;/\\textflorin /g;
                    618:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  619:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    620:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    621:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  622:     $result =~ s/&\#137;/\\textperthousand /g;
                    623:     $result =~ s/&\#140;/{\\OE}/g;
                    624:     $result =~ s/&\#147;/\`\`/g;
                    625:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  626:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  627:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  628:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  629:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  630:     $result =~ s/&\#153;/\\texttrademark /g;
                    631:     $result =~ s/&\#156;/\\oe/g;
                    632:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  633:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  634:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    635:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    636:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    637:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    638:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    639:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    640:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      641:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  642:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    643:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  644:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  645:     $result =~ s/&(\#173|shy);/ - /g;
                    646:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  647:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    648:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    649:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    650:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    651:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      652:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  653:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  654:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  655:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  656:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  657:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  658:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    659:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    660:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    661:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    662:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    663:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    664:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    665:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    666:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    667:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    668:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    669:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    670:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    671:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    672:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    673:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    674:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    675:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    676:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    677:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    678:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    679:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    680:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    681:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    682:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    683:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    684:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  685:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  686:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    687:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    688:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    689:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    690:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    691:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  692:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  693:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    694:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    695:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    696:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    697:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    698:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    699:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    700:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    701:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    702:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    703:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    704:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    705:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    706:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    707:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    708:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  709:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  710:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    711:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    712:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    713:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    714:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    715:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  716:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  717:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    718:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    719:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    720:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    721:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    722:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    723:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  724:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  725:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  726: #Greek Alphabet
1.281     sakharuk  727:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    728:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    729:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    730:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    731:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    732:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    733:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    734:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    735:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    736:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    737:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    738:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    739:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    740:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  741:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  742:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    743:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    744:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    745:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    746:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    747:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    748:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    749:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    750:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    751:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    752:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  753:     $result =~ s/&(Alpha|\#913);/A/g;
                    754:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  755:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    756:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  757:     $result =~ s/&(Epsilon|\#917);/E/g;
                    758:     $result =~ s/&(Zeta|\#918);/Z/g;
                    759:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  760:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  761:     $result =~ s/&(Iota|\#921);/I/g;
                    762:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  763:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  764:     $result =~ s/&(Mu|\#924);/M/g;
                    765:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  766:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  767:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  768:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  769:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  770:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  771:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  772:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    773:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  774:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  775:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    776:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  777: #Arrows (extended HTML 4.01)
1.281     sakharuk  778:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    779:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    780:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    781:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    782:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    783:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    784:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    785:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    786:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    787:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  788: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  789:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    790:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    791:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    792:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    793:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    794:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    795:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    796:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    797:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    798:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    799:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  800:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  801:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    802:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    803:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    804:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    805:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    806:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    807:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    808:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    809:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    810:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    811:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    812:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    813:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    814:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    815:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    816:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    817:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    818:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    819:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    820:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    821:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    822:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    823:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    824:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    825:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    826:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  827: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  828:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  829: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  830:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    831:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    832:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    833:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr      834: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr      835: 
1.495     foxr      836:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                    837:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                    838:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                    839:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                    840:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                    841:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                    842:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                    843:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                    844:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                    845:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                    846:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                    847:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                    848:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr      849: 
                    850:     # Left/right quotations:
                    851: 
                    852:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                    853:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                    854: 
                    855: 
1.37      sakharuk  856:     return $result;
                    857: }
1.41      sakharuk  858: 
                    859: 
1.327     albertel  860:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    861: my %page_formats=
                    862:     ('letter' => {
                    863: 	 'book' => {
1.493     foxr      864: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                    865: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel  866: 	 },
                    867: 	 'album' => {
1.496     foxr      868: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel  869: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel  870: 	 },
                    871:      },
                    872:      'legal' => {
                    873: 	 'book' => {
                    874: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr      875: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  876: 	 },
                    877: 	 'album' => {
1.376     albertel  878: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    879:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  880:           },
                    881:      },
                    882:      'tabloid' => {
                    883: 	 'book' => {
                    884: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    885: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    886: 	 },
                    887: 	 'album' => {
1.376     albertel  888: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    889: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  890:           },
                    891:      },
                    892:      'executive' => {
                    893: 	 'book' => {
                    894: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    895: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    896: 	 },
                    897: 	 'album' => {
                    898: 	     '1' => [],
                    899: 	     '2' => []
                    900:           },
                    901:      },
                    902:      'a2' => {
                    903: 	 'book' => {
                    904: 	     '1' => [],
                    905: 	     '2' => []
                    906: 	 },
                    907: 	 'album' => {
                    908: 	     '1' => [],
                    909: 	     '2' => []
                    910:           },
                    911:      },
                    912:      'a3' => {
                    913: 	 'book' => {
                    914: 	     '1' => [],
                    915: 	     '2' => []
                    916: 	 },
                    917: 	 'album' => {
                    918: 	     '1' => [],
                    919: 	     '2' => []
                    920:           },
                    921:      },
                    922:      'a4' => {
                    923: 	 'book' => {
1.493     foxr      924: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr      925: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel  926: 	 },
                    927: 	 'album' => {
1.496     foxr      928: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr      929: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel  930: 	 },
                    931:      },
                    932:      'a5' => {
                    933: 	 'book' => {
                    934: 	     '1' => [],
                    935: 	     '2' => []
                    936: 	 },
                    937: 	 'album' => {
                    938: 	     '1' => [],
                    939: 	     '2' => []
                    940:           },
                    941:      },
                    942:      'a6' => {
                    943: 	 'book' => {
                    944: 	     '1' => [],
                    945: 	     '2' => []
                    946: 	 },
                    947: 	 'album' => {
                    948: 	     '1' => [],
                    949: 	     '2' => []
                    950:           },
                    951:      },
                    952:      );
                    953: 
1.177     sakharuk  954: sub page_format {
1.140     sakharuk  955: #
1.326     sakharuk  956: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                    957: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                    958: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                    959: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                    960: #                        "A6 [105x148 mm]"
1.140     sakharuk  961: # 
                    962:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel  963:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk  964: }
1.76      sakharuk  965: 
                    966: 
1.126     albertel  967: sub get_name {
                    968:     my ($uname,$udom)=@_;
1.373     albertel  969:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                    970:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel  971:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel  972:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr      973:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel  974:     return $plainname;
1.126     albertel  975: }
                    976: 
1.213     albertel  977: sub get_course {
                    978:     my $courseidinfo;
1.373     albertel  979:     if (defined($env{'request.course.id'})) {
1.439     www       980: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel  981:     }
                    982:     return $courseidinfo;
                    983: }
1.177     sakharuk  984: 
1.76      sakharuk  985: sub page_format_transformation {
1.312     sakharuk  986:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk  987:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr      988: 
1.312     sakharuk  989:     if ($selectionmade eq '4') {
1.502     foxr      990: 	if ($choice eq 'all_problems') {
                    991: 	    $assignment='Problems from the Whole Course';
                    992: 	} else {
                    993: 	    $assignment='Resources from the Whole Course';
                    994: 	}
1.312     sakharuk  995:     } else {
                    996: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                    997:     }
1.261     sakharuk  998:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr      999: 
                   1000: 
1.126     albertel 1001:     my $name = &get_name();
1.213     albertel 1002:     my $courseidinfo = &get_course();
                   1003:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel 1004:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1005:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1006: 					   $courseidinfo, $name);
1.319     sakharuk 1007:     my $topmargintoinsert = '';
                   1008:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1009:     my $fancypagestatement='';
                   1010:     if ($numberofcolumns eq '2') {
1.455     albertel 1011: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1012:     } else {
1.455     albertel 1013: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1014:     }
1.140     sakharuk 1015:     if ($layout eq 'album') {
1.340     foxr     1016: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1017:     } elsif ($layout eq 'book') {
                   1018: 	if ($choice ne 'All class print') { 
1.340     foxr     1019: 	    $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 1020: 	} else {
1.340     foxr     1021: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1022: 	}
1.326     sakharuk 1023: 	if ($papersize eq 'a4') {
1.319     sakharuk 1024: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk 1025: 	}
                   1026:     }
1.214     sakharuk 1027:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1028:     if ($indexlist eq 'yes') {
                   1029: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1030: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1031:     }
1.140     sakharuk 1032:     return $text;
                   1033: }
                   1034: 
                   1035: 
1.33      sakharuk 1036: sub page_cleanup {
                   1037:     my $result = shift;	
1.65      sakharuk 1038:  
                   1039:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1040:     my $number_of_columns = $1;
1.33      sakharuk 1041:     my $insert = '{';
1.34      sakharuk 1042:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1043:     $insert .= '}';
1.65      sakharuk 1044:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1045:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1046:     return $result,$number_of_columns;
1.7       sakharuk 1047: }
1.5       sakharuk 1048: 
1.3       sakharuk 1049: 
1.60      sakharuk 1050: sub details_for_menu {
1.335     albertel 1051:     my ($helper)=@_;
1.373     albertel 1052:     my $postdata=$env{'form.postdata'};
1.335     albertel 1053:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1054:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1055:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1056:     return if ( $symbolic eq '');
                   1057: 
1.233     www      1058:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1059:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1060:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1061:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1062: 	$map =~ m|([^/]+)$|;
                   1063: 	$name_of_sequence = $1;
1.63      albertel 1064:     }
1.373     albertel 1065:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1066:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1067: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1068: 	$name_of_map = $1;
                   1069:     }
1.335     albertel 1070:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1071: }
                   1072: 
1.476     albertel 1073: sub copyright_line {
                   1074:     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 } ';
                   1075: }
                   1076: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1077: 
                   1078: sub latex_corrections {
1.408     albertel 1079:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1080: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1081:     my $copyright = &copyright_line();
1.408     albertel 1082:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1083: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1084:     } else {
1.476     albertel 1085: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1086:     }
1.476     albertel 1087:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1088:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1089:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1090: #-- LaTeX corrections     
                   1091:     my $first_comment = index($result,'<!--',0);
                   1092:     while ($first_comment != -1) {
                   1093: 	my $end_comment = index($result,'-->',$first_comment);
                   1094: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1095: 	$first_comment = index($result,'<!--',$first_comment);
                   1096:     }
                   1097:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1098:     #removes more than one empty space
                   1099:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1100:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1101:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1102:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1103:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1104:     #conversion of html characters to LaTeX equivalents
                   1105:     if ($result =~ m/&(\w+|#\d+);/) {
                   1106: 	$result = &character_chart($result);
                   1107:     }
                   1108:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1109:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1110:     return $result;
1.60      sakharuk 1111: }
                   1112: 
1.3       sakharuk 1113: 
1.214     sakharuk 1114: sub index_table {
                   1115:     my $currentURL = shift;
                   1116:     my $insex_string='';
                   1117:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1118:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1119:     return $insex_string;
                   1120: }
                   1121: 
                   1122: 
1.215     sakharuk 1123: sub IndexCreation {
                   1124:     my ($texversion,$currentURL)=@_;
                   1125:     my @key_words=split(/,/,&index_table($currentURL));
                   1126:     my $chunk='';
                   1127:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1128:     if ($st>0) {
                   1129: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1130: 	$chunk=substr($texversion,0,$st+1);
                   1131: 	substr($texversion,0,$st+1)=' ';
                   1132:     }
                   1133:     foreach my $key_word (@key_words) {
                   1134: 	if ($key_word=~/\S+/) {
                   1135: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1136: 	}
                   1137:     }			
                   1138:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1139:     return $texversion;
                   1140: }
                   1141: 
1.242     sakharuk 1142: sub print_latex_header {
                   1143:     my $mode=shift;
1.473     albertel 1144:     my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom';
1.397     albertel 1145:     if (($mode eq 'batchmode') || (!$perm{'pav'})) {
1.242     sakharuk 1146: 	$output.='\batchmode';
                   1147:     }
1.340     foxr     1148:     $output.='\newcommand{\keephidden}[1]{}\renewcommand{\deg}{$^{\circ}$}'."\n".
1.410     foxr     1149:    	    '\usepackage{multirow}'."\n".
1.340     foxr     1150: 	     '\usepackage{longtable}\usepackage{textcomp}\usepackage{makeidx}'."\n".
1.344     foxr     1151: 	     '\usepackage[dvips]{graphicx}\usepackage{epsfig}'."\n".
1.393     foxr     1152: 	     '\usepackage{wrapfig}'.
1.344     foxr     1153: 	     '\usepackage{picins}\usepackage{calc}'."\n".
1.531     foxr     1154: 	     '\usepackage[T1]{fontenc}'."\n".
1.534     foxr     1155: 	     '\usepackage[postscript]{ucs}'."\n".
1.533     foxr     1156: 	     '\usepackage[utf8x]{inputenc}'."\n".
1.535     raeburn  1157: 	     '\usepackage{pifont}'  . "\n".
1.531     foxr     1158: 	     '\usepackage{latexsym}'."\n".
1.527     foxr     1159: 	     '\usepackage{amsmath}'.
                   1160: 	     '\usepackage{amssymb}'.
                   1161: 	     '\usepackage{amsfonts}'.
                   1162: 	     '\usepackage{amsthm}'.
                   1163: 	     '\usepackage{amscd}'.
1.340     foxr     1164: 	     '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}'."\n".
                   1165: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}'."\n".
                   1166: 	     '\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}'."\n".
                   1167: 	     '\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}'."\n".
                   1168: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                   1169: 	     '\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'."\n".
                   1170: 	     '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large'."\n".
                   1171: 	     '\textbf{Index}} \newline \setlength{\rightmargin}{0in}'."\n".
                   1172: 	     '\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}'."\n".
                   1173: 	     '\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}'."\n".
                   1174: 	     '\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}'."\n".
                   1175: 	     '\setlength{\abovedisplayshortskip}{-0.04in}'."\n".
                   1176: 	     '\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}\begin{document}'."\n";
1.242     sakharuk 1177:     return $output;	     
                   1178: }
                   1179: 
                   1180: sub path_to_problem {
1.328     albertel 1181:     my ($urlp,$colwidth)=@_;
1.404     albertel 1182:     $urlp=&Apache::lonnet::clutter($urlp);
                   1183: 
1.242     sakharuk 1184:     my $newurlp = '';
1.328     albertel 1185:     $colwidth=~s/\s*mm\s*$//;
                   1186: #characters average about 2 mm in width
1.360     albertel 1187:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1188: 	my @elements = split('/',$urlp);
1.328     albertel 1189: 	my $curlength=0;
                   1190: 	foreach my $element (@elements) {
1.404     albertel 1191: 	    if ($element eq '') { next; }
1.328     albertel 1192: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1193: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1194: 		$curlength=length($element)*2;
1.328     albertel 1195: 	    } else {
                   1196: 		$curlength+=length($element)*2;
1.242     sakharuk 1197: 	    }
1.328     albertel 1198: 	    $newurlp.='/'.$element;
1.242     sakharuk 1199: 	}
1.253     sakharuk 1200:     } else {
                   1201: 	$newurlp=$urlp;
1.242     sakharuk 1202:     }
                   1203:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1204: }
1.215     sakharuk 1205: 
1.275     sakharuk 1206: sub recalcto_mm {
                   1207:     my $textwidth=shift;
                   1208:     my $LaTeXwidth;
1.339     albertel 1209:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1210: 	$LaTeXwidth = $1*10;
1.339     albertel 1211:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1212: 	$LaTeXwidth = $1;
1.339     albertel 1213:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1214: 	$LaTeXwidth = $1*25.4;
                   1215:     }
                   1216:     $LaTeXwidth.=' mm';
                   1217:     return $LaTeXwidth;
                   1218: }
                   1219: 
1.285     albertel 1220: sub get_textwidth {
                   1221:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1222:     my $textwidth=$LaTeXwidth;
1.285     albertel 1223:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1224: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1225: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1226: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1227:     }
1.286     albertel 1228:     return $textwidth;
1.285     albertel 1229: }
                   1230: 
1.296     sakharuk 1231: 
                   1232: sub unsupported {
1.414     albertel 1233:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1234:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1235:     my $result.= &print_latex_header($mode);
1.414     albertel 1236:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1237: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1238: 	my $title=&Apache::lonnet::gettitle($symb);
                   1239: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1240: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1241:     } else {
                   1242: 	$result.=$currentURL;
                   1243:     }
1.419     albertel 1244:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1245:     return $result;
                   1246: }
                   1247: 
                   1248: 
1.363     foxr     1249: #
1.395     www      1250: # List of recently generated print files
                   1251: #
                   1252: sub recently_generated {
                   1253:     my $r=shift;
                   1254:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1255:     my $zip_result;
                   1256:     my $pdf_result;
1.395     www      1257:     opendir(DIR,$prtspool);
1.400     albertel 1258: 
                   1259:     my @files = 
                   1260: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1261:     closedir(DIR);
1.400     albertel 1262: 
                   1263:     @files = sort {
                   1264: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1265: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1266: 	return $bctime <=> $actime;
                   1267:     } (@files);
                   1268: 
                   1269:     foreach my $filename (@files) {
                   1270: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1271: 	my ($cdev,$cino,$cmode,$cnlink,
                   1272: 	    $cuid,$cgid,$crdev,$csize,
                   1273: 	    $catime,$cmtime,$cctime,
                   1274: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
                   1275: 	my $result="<a href='/prtspool/$filename'>".
                   1276: 	    &mt('Generated [_1] ([_2] bytes)',
                   1277: 		&Apache::lonlocal::locallocaltime($cctime),$csize).
                   1278: 		'</a><br />';
                   1279: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1280: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1281:     }
                   1282:     if ($zip_result) {
                   1283: 	$r->print('<h4>'.&mt('Recently generated printout zip files')."</h4>\n"
                   1284: 		  .$zip_result);
                   1285:     }
                   1286:     if ($pdf_result) {
                   1287: 	$r->print('<h4>'.&mt('Recently generated printouts')."</h4>\n"
                   1288: 		  .$pdf_result);
1.396     albertel 1289:     }
1.395     www      1290: }
                   1291: 
                   1292: #
1.363     foxr     1293: #   Retrieve the hash of page breaks.
                   1294: #
                   1295: #  Inputs:
                   1296: #    helper   - reference to helper object.
                   1297: #  Outputs
                   1298: #    A reference to a page break hash.
                   1299: #
                   1300: #
1.418     foxr     1301: #use Data::Dumper;
                   1302: #sub dump_helper_vars {
                   1303: #    my ($helper) = @_;
                   1304: #    my $helpervars = Dumper($helper->{'VARS'});
                   1305: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1306: #}
1.363     foxr     1307: 
1.481     albertel 1308: sub get_page_breaks  {
                   1309:     my ($helper) = @_;
                   1310:     my %page_breaks;
                   1311: 
                   1312:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1313: 	$page_breaks{$break} = 1;
                   1314:     }
                   1315:     return %page_breaks;
                   1316: }
1.363     foxr     1317: 
1.459     foxr     1318: #  Output a sequence (recursively if neeed)
                   1319: #  from construction space.
                   1320: # Parameters:
                   1321: #    url     = URL of the sequence to print.
                   1322: #    helper  - Reference to the helper hash.
                   1323: #    form    - Copy of the format hash.
                   1324: #    LaTeXWidth
                   1325: # Returns:
                   1326: #   Text to add to the printout.
                   1327: #   NOTE if the first element of the outermost sequence
                   1328: #   is itself a sequence, the outermost caller may need to
                   1329: #   prefix the latex with the page headers stuff.
                   1330: #
                   1331: sub print_construction_sequence {
                   1332:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1333:     my $result;
                   1334:     my $rndseed=time;
                   1335:     if ($helper->{'VARS'}->{'curseed'}) {
                   1336: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1337:     }
1.491     albertel 1338:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1339:     # 
                   1340:     #  These make this all support recursing for subsequences.
                   1341:     #
1.491     albertel 1342:     my @order    = @LONCAPA::map::order;
                   1343:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1344:     for (my $member=0;$member<=$#order;$member++) {
                   1345: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1346: 	my $urlp=$2;
                   1347: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1348: 	    my $texversion='';
                   1349: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1350: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1351: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1352: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1353: 		$form{'rndseed'}=$rndseed;
                   1354: 		$resources_printed .=$urlp.':';
1.515     foxr     1355: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1356: 	    }
                   1357: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1358: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1359: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1360: 		#  Don't permanently modify %$form...
                   1361: 		my %answerform = %form;
                   1362: 		$answerform{'grade_target'}='answer';
                   1363: 		$answerform{'answer_output_mode'}='tex';
                   1364: 		$answerform{'rndseed'}=$rndseed;
                   1365: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1366: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1367: 		$resources_printed .= $urlp.':';
1.515     foxr     1368: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1369: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1370: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1371: 		} else {
                   1372: 		    # If necessary, encapsulate answer in minipage:
                   1373: 		    
                   1374: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1375: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1376: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1377: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1378: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1379: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1380: 		    $body = &encapsulate_minipage($body);
                   1381: 		    $texversion.=$body;
                   1382: 		}
                   1383: 	    }
                   1384: 	    $texversion = &latex_header_footer_remove($texversion);
                   1385: 
                   1386: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1387: 		$texversion=&IndexCreation($texversion,$urlp);
                   1388: 	    }
                   1389: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1390: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1391: 	    }
                   1392: 	    $result.=$texversion;
                   1393: 
                   1394: 	} elsif ($urlp=~/\.(sequence|page)$/) {
                   1395: 	    
                   1396: 	    # header:
                   1397: 
                   1398: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1399: 
                   1400: 	    # IF sequence, recurse:
                   1401: 	    
                   1402: 	    if ($urlp =~ /\.sequence$/) {
                   1403: 		my $sequence_url = $urlp;
                   1404: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1405: 		my $user         = $env{'user.name'};
                   1406: 
                   1407: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1408: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1409: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1410: 		$result .= &print_construction_sequence($sequence_url, 
                   1411: 							$helper, %form, 
                   1412: 							$LaTeXwidth);
                   1413: 	    }
                   1414: 	}  
                   1415:     }
                   1416:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1417:     return $result;
                   1418: }
                   1419: 
1.177     sakharuk 1420: sub output_data {
1.184     sakharuk 1421:     my ($r,$helper,$rparmhash) = @_;
                   1422:     my %parmhash = %$rparmhash;
1.515     foxr     1423:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1424:     $resources_printed = '';
1.499     foxr     1425:     my $do_postprocessing = 1;
1.433     albertel 1426:     my $js = <<ENDPART;
                   1427: <script type="text/javascript">
1.264     sakharuk 1428:     var editbrowser;
                   1429:     function openbrowser(formname,elementname,only,omit) {
                   1430:         var url = '/res/?';
                   1431:         if (editbrowser == null) {
                   1432:             url += 'launch=1&';
                   1433:         }
                   1434:         url += 'catalogmode=interactive&';
                   1435:         url += 'mode=parmset&';
                   1436:         url += 'form=' + formname + '&';
                   1437:         if (only != null) {
                   1438:             url += 'only=' + only + '&';
                   1439:         } 
                   1440:         if (omit != null) {
                   1441:             url += 'omit=' + omit + '&';
                   1442:         }
                   1443:         url += 'element=' + elementname + '';
                   1444:         var title = 'Browser';
                   1445:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1446:         options += ',width=700,height=600';
                   1447:         editbrowser = open(url,title,options,'1');
                   1448:         editbrowser.focus();
                   1449:     }
                   1450: </script>
1.140     sakharuk 1451: ENDPART
                   1452: 
1.512     foxr     1453: 
                   1454: 
1.433     albertel 1455:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);
                   1456:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1457: 
1.433     albertel 1458:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1459: 
1.363     foxr     1460:     # fetch the pagebreaks and store them in the course environment
                   1461:     # The page breaks will be pulled into the hash %page_breaks which is
                   1462:     # indexed by symb and contains 1's for each break.
                   1463: 
1.373     albertel 1464:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1465:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1466:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1467: 					      {'pagebreaks'    => 'scalar',
                   1468: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1469: 
1.364     albertel 1470:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1471: 
1.140     sakharuk 1472:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1473:     my ($result,$selectionmade) = ('','');
                   1474:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1475:     my @temporary_array=split /\|/,$format_from_helper;
                   1476:     my ($laystyle,$numberofcolumns,$papersize)=@temporary_array;
                   1477:     if ($laystyle eq 'L') {
                   1478: 	$laystyle='album';
                   1479:     } else {
                   1480: 	$laystyle='book';
                   1481:     }
1.177     sakharuk 1482:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1483:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1484:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1485:     my @print_array=();
1.274     sakharuk 1486:     my @student_names=();
1.360     albertel 1487: 
1.512     foxr     1488:      
1.360     albertel 1489:     #  Common settings for the %form has:
                   1490:     # In some cases these settings get overriddent by specific cases, but the
                   1491:     # settings are common enough to make it worthwhile factoring them out
                   1492:     # here.
                   1493:     #
                   1494:     my %form;
                   1495:     $form{'grade_target'} = 'tex';
                   1496:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.372     foxr     1497: 
                   1498:     # If form.showallfoils is set, then request all foils be shown:
                   1499:     # privilege will be enforced both by not allowing the 
                   1500:     # check box selecting this option to be presnt unless it's ok,
                   1501:     # and by lonresponse's priv. check.
                   1502:     # The if is here because lonresponse.pm only cares that
                   1503:     # showallfoils is defined, not what the value is.
                   1504: 
                   1505:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1506: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1507:     }
1.504     albertel 1508:     
                   1509:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1510: 	&Apache::lonnet::appenv({'construct.style' =>
                   1511: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1512:     } elsif ($env{'construct.style'}) {
                   1513: 	&Apache::lonnet::delenv('construct\\.style');
                   1514:     }
                   1515: 
1.372     foxr     1516: 
1.140     sakharuk 1517:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1518:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1519: 	my ($currentURL,$cleanURL);
1.375     foxr     1520: 
1.162     sakharuk 1521: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1522:             #prints published resource
1.153     sakharuk 1523: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1524: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1525: 	} else {
1.512     foxr     1526: 
1.185     sakharuk 1527:             #prints resource from the construction space
1.240     albertel 1528: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1529: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1530: 	    $cleanURL=$currentURL;
1.143     sakharuk 1531: 	}
1.140     sakharuk 1532: 	$selectionmade = 1;
1.413     albertel 1533: 	if ($cleanURL!~m|^/adm/|
                   1534: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1535: 	    my $rndseed=time;
1.242     sakharuk 1536: 	    my $texversion='';
                   1537: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1538: 		my %moreenv;
1.343     albertel 1539: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 1540:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1541: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1542: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1543: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1544: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1545: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1546: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1547: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1548: 		    $form{'problem_split'}='yes';
                   1549: 		}
1.242     sakharuk 1550: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1551: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1552: 		}
                   1553: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  1554: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 1555: 
                   1556: 		&Apache::lonxml::clear_problem_counter();
                   1557: 
1.375     foxr     1558: 		$resources_printed .= $currentURL.':';
1.515     foxr     1559: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 1560: 
1.511     foxr     1561: 		#  Add annotations if required:
                   1562: 	    
1.428     albertel 1563: 		&Apache::lonxml::clear_problem_counter();
                   1564: 
1.242     sakharuk 1565: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1566: 	    }
1.423     foxr     1567: 	    # current document with answers.. no need to encap in minipage
                   1568: 	    #  since there's only one answer.
                   1569: 
1.242     sakharuk 1570: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1571: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1572: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1573: 		$form{'grade_target'}='answer';
1.167     albertel 1574: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1575: 		$form{'rndseed'}=$rndseed;
1.401     albertel 1576:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1577: 		    $form{'problemtype'}='exam';
                   1578: 		}
1.375     foxr     1579: 		$resources_printed .= $currentURL.':';
1.515     foxr     1580: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     1581: 		
                   1582: 
1.242     sakharuk 1583: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1584: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1585: 		} else {
                   1586: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1587: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 1588: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1589: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1590: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 1591: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1592: 		    } else {
                   1593: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1594: 			my $URLpath=$cleanURL;
1.245     sakharuk 1595: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 1596: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 1597: 		    }
1.242     sakharuk 1598: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1599: 		}
1.511     foxr     1600: 
                   1601: 
                   1602: 		
                   1603: 
                   1604: 	    }
                   1605: 	    # Print annotations.
                   1606: 
                   1607: 
                   1608: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1609: 		my $annotation .= &annotate($currentURL);
                   1610: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 1611: 	    }
1.511     foxr     1612: 
                   1613: 
1.214     sakharuk 1614: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1615: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1616: 	    }
1.219     sakharuk 1617: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1618: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1619: 
                   1620: 	    }
1.162     sakharuk 1621: 	    $result .= $texversion;
                   1622: 	    if ($currentURL=~m/\.page\s*$/) {
                   1623: 		($result,$number_of_columns) = &page_cleanup($result);
                   1624: 	    }
1.413     albertel 1625:         } elsif ($cleanURL!~m|^/adm/|
                   1626: 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 1627:             #printing content of sequence from the construction space	
                   1628: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     1629: 	    $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   1630: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   1631: 						    $LaTeXwidth);
                   1632: 	    $result .= '\end{document}';  
                   1633: 	    if (!($result =~ /\\begin\{document\}/)) {
                   1634: 		$result = &print_latex_header() . $result;
1.227     sakharuk 1635: 	    }
1.459     foxr     1636: 	    # End construction space sequence.
1.456     raeburn  1637: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1638: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1639: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1640: 		$resources_printed .= $currentURL.':';
1.515     foxr     1641: 		my $texversion=&ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     1642: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1643: 		    my $annotation = &annotate($currentURL);
                   1644: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   1645: 		}
1.258     sakharuk 1646: 		$result .= $texversion;
1.498     foxr     1647: 	} elsif ($cleanURL =~/.tex$/) {
                   1648: 	    # For this sort of print of a single LaTeX file,
                   1649: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   1650: 	    #
                   1651: 
                   1652: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     1653: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1654: 		my $annotation = &annotate($currentURL);
                   1655: 		$result =~ s/(\\end{document})/$annotation$1/;
                   1656: 	    }
                   1657: 
1.499     foxr     1658: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     1659: 
1.162     sakharuk 1660: 	} else {
1.414     albertel 1661: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1662: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 1663: 	}
1.354     foxr     1664:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1665:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1666:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1667: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536   ! foxr     1668: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
        !          1669: 	     ) { 
1.511     foxr     1670: 
                   1671: 
1.141     sakharuk 1672:         #-- produce an output string
1.296     sakharuk 1673: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1674: 	    $selectionmade = 2;
                   1675: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1676: 	    $selectionmade = 3;
1.536   ! foxr     1677: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
        !          1678: 		 ) {
1.296     sakharuk 1679: 	    $selectionmade = 4;
1.354     foxr     1680: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1681: 	    $selectionmade = 4;
1.296     sakharuk 1682: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1683: 	    $selectionmade = 7;
                   1684: 	}
1.193     sakharuk 1685: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1686: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1687: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1688: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1689: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1690: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   1691: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   1692: 	    $form{'problem_split'}='yes';
                   1693: 	}
1.141     sakharuk 1694: 	my $flag_latex_header_remove = 'NO';
                   1695: 	my $flag_page_in_sequence = 'NO';
                   1696: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1697: 	my $prevassignment='';
1.428     albertel 1698: 
                   1699: 	&Apache::lonxml::clear_problem_counter();
                   1700: 
1.416     foxr     1701: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 1702: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1703: 
1.521     foxr     1704: 	    &Apache::lonenc::reset_enc();
                   1705: 
                   1706: 
1.350     foxr     1707: 	    # Note due to document structure, not allowed to put \newpage
                   1708: 	    # prior to the first resource
                   1709: 
1.351     foxr     1710: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1711: 		if($i != 0) {
                   1712: 		    $result.="\\newpage\n";
                   1713: 		}
                   1714: 	    }
1.521     foxr     1715: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1716: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1717: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 1718: 
1.521     foxr     1719: 
1.407     albertel 1720: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     1721: 
1.267     sakharuk 1722: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1723: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1724: 	    my $texversion='';
1.413     albertel 1725: 	    if ($urlp!~m|^/adm/|
                   1726: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1727: 		$resources_printed .= $urlp.':';
1.428     albertel 1728: 		&Apache::lonxml::remember_problem_counter();
1.515     foxr     1729: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 1730: 		if ($urlp=~/\.page$/) {
                   1731: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1732: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1733: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1734: 		    $flag_page_in_sequence = 'YES';
                   1735: 		} 
1.428     albertel 1736: 
1.296     sakharuk 1737: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1738: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1739: 		    #  Don't permanently pervert the %form hash
                   1740: 		    my %answerform = %form;
                   1741: 		    $answerform{'grade_target'}='answer';
                   1742: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1743: 		    $resources_printed .= $urlp.':';
1.428     albertel 1744: 
                   1745: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     1746: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 1747: 
1.296     sakharuk 1748: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1749: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1750: 		    } else {
1.307     sakharuk 1751: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1752: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1753: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   1754: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   1755: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     1756: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   1757: 			    $body   .='\vskip 1 mm '.$answer;
                   1758: 			    $body    = &encapsulate_minipage($body);
                   1759: 			    $texversion .= $body;
1.296     sakharuk 1760: 			} else {
                   1761: 			    $texversion='';
                   1762: 			}
1.249     sakharuk 1763: 		    }
1.511     foxr     1764: 
1.246     sakharuk 1765: 		}
1.511     foxr     1766: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1767: 		    my $annotation .= &annotate($urlp);
                   1768: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1769: 		}
                   1770: 
1.296     sakharuk 1771: 		if ($flag_latex_header_remove ne 'NO') {
                   1772: 		    $texversion = &latex_header_footer_remove($texversion);
                   1773: 		} else {
                   1774: 		    $texversion =~ s/\\end{document}//;
                   1775: 		}
                   1776: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1777: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1778: 		}
                   1779: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1780: 		    my $name = &get_name();
                   1781: 		    my $courseidinfo = &get_course();
                   1782: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   1783: 		    $prevassignment=$assignment;
1.455     albertel 1784: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     1785: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 1786: 							  $assignment, 
                   1787: 							  $courseidinfo, 
                   1788: 							  $name);
1.417     foxr     1789: 		    if ($numberofcolumns eq '1') {
1.455     albertel 1790: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1791: 		    } else {
1.455     albertel 1792: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1793: 		    }			
1.296     sakharuk 1794: 		}
                   1795: 		$result .= $texversion;
                   1796: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  1797: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 1798: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1799: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1800: 		$resources_printed .= $urlp.':';
1.515     foxr     1801: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     1802: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1803: 		    my $annotation = &annotate($urlp);
                   1804: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   1805: 		}
                   1806: 
1.301     sakharuk 1807: 		if ($flag_latex_header_remove ne 'NO') {
                   1808: 		    $texversion = &latex_header_footer_remove($texversion);
                   1809: 		} else {
                   1810: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1811: 		}
                   1812: 		$result .= $texversion;
                   1813: 		$flag_latex_header_remove = 'YES'; 
1.141     sakharuk 1814: 	    } else {
1.414     albertel 1815: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1816: 					 $master_seq[$i]);
1.297     sakharuk 1817: 		if ($flag_latex_header_remove ne 'NO') {
                   1818: 		    $texversion = &latex_header_footer_remove($texversion);
                   1819: 		} else {
                   1820: 		    $texversion =~ s/\\end{document}//;
                   1821: 		}
                   1822: 		$result .= $texversion;
                   1823: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1824: 	    }	    
1.331     albertel 1825: 	    if (&Apache::loncommon::connection_aborted($r)) { last; }
1.141     sakharuk 1826: 	}
1.428     albertel 1827: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     1828: 	if ($flag_page_in_sequence eq 'YES') {
                   1829: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1830: 	}	
1.141     sakharuk 1831: 	$result .= '\end{document}';
1.284     albertel 1832:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.536   ! foxr     1833: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 1834: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1835: 
                   1836: 
1.150     sakharuk 1837:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1838: 	 my $type;
1.536   ! foxr     1839: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
        !          1840: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 1841: 	     $selectionmade=5;
1.284     albertel 1842: 	     $type='problems';
1.254     sakharuk 1843: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1844: 	     $selectionmade=8;
1.284     albertel 1845: 	     $type='resources';
1.254     sakharuk 1846: 	 }
1.150     sakharuk 1847: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1848: 	 #   The normal sort order is by section then by students within the
                   1849: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1850: 	 #   to override this and output the students by name.
                   1851: 	 #    Each element of the students array is of the form:
                   1852: 	 #       username:domain:section:last, first:status
                   1853: 	 #    
1.429     foxr     1854: 	 #  Note that student sort is not compatible with printing 
                   1855: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     1856: 	 #   
1.429     foxr     1857: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   1858: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     1859: 	     @students = sort compare_names  @students;
                   1860: 	 }
1.429     foxr     1861: 	 &adjust_number_to_print($helper);
                   1862: 
1.278     albertel 1863:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1864: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1865: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1866: 	 }
1.429     foxr     1867: 	 # If we are splitting on section boundaries, we need 
                   1868: 	 # to remember that in split_on_sections and 
                   1869: 	 # print all of the students in the list.
                   1870: 	 #
                   1871: 	 my $split_on_sections = 0;
                   1872: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   1873: 	     $split_on_sections = 1;
                   1874: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   1875: 	 }
1.150     sakharuk 1876: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1877: 
1.150     sakharuk 1878: 	 #loop over students
                   1879: 	 my $flag_latex_header_remove = 'NO'; 
                   1880: 	 my %moreenv;
1.330     sakharuk 1881:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 1882: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 1883: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1884: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     1885: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     1886: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     1887: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   1888: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1889: 	     $moreenv{'problem_split'}='yes';
                   1890: 	 }
1.318     albertel 1891: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 1892: 	 my $student_counter=-1;
1.429     foxr     1893: 	 my $i = 0;
1.430     albertel 1894: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 1895: 	 foreach my $person (@students) {
1.350     foxr     1896: 
1.373     albertel 1897:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 1898: 	     if (-e $duefile) {
                   1899: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   1900: 		 print $temp_file "1969\n";
                   1901: 	     }
1.272     sakharuk 1902: 	     $student_counter++;
1.429     foxr     1903: 	     if ($split_on_sections) {
1.430     albertel 1904: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     1905: 		 if ($this_section ne $last_section) {
                   1906: 		     $i++;
                   1907: 		     $last_section = $this_section;
                   1908: 		 }
                   1909: 	     } else {
                   1910: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   1911: 	     }
1.375     foxr     1912: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     1913: 						     $person,$type,
                   1914: 						     \%moreenv,\@master_seq,
1.360     albertel 1915: 						     $flag_latex_header_remove,
1.422     albertel 1916: 						     $LaTeXwidth);
1.375     foxr     1917: 	     $resources_printed .= ":";
1.284     albertel 1918: 	     $print_array[$i].=$output;
                   1919: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   1920: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   1921: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 1922: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 1923: 	 }
                   1924: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   1925: 	 $result .= $print_array[0].'  \end{document}';
                   1926:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   1927: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 1928: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   1929: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 1930: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   1931: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 1932: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     1933: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     1934: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   1935: 
1.381     albertel 1936: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
                   1937: 	 open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   1938: 	 my ($code_type,$code_length)=('letter',6);
                   1939: 	 foreach my $line (<FH>) {
                   1940: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   1941: 	     if ($name eq $code_option) {
                   1942: 		 $code_length=$length;
                   1943: 		 if ($type eq 'number') { $code_type = 'number'; }
                   1944: 	     }
                   1945: 	 }
1.288     albertel 1946: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     1947: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 1948:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 1949: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 1950: 	 my @allcodes;
                   1951: 	 if ($old_name) {
1.381     albertel 1952: 	     my %result=&Apache::lonnet::get('CODEs',
                   1953: 					     [$old_name,"type\0$old_name"],
                   1954: 					     $cdom,$cnum);
                   1955: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 1956: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 1957: 	     $num_todo=scalar(@allcodes);
1.389     foxr     1958: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     1959: 	     $num_todo = 1;
                   1960: 	     @allcodes = ($selected_code);
1.385     foxr     1961: 	 } elsif ($single_code) {
                   1962: 
1.387     foxr     1963: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     1964: 	     # If an alpha code have to convert to numbers so it can be
                   1965: 	     # converted back to letters again :-)
                   1966: 	     #
                   1967: 	     if ($code_type ne 'number') {
                   1968: 		 $single_code = &letters_to_num($single_code);
                   1969: 	     }
                   1970: 	     @allcodes = ($single_code);
1.292     albertel 1971: 	 } else {
                   1972: 	     my %allcodes;
1.299     albertel 1973: 	     srand($seed);
1.292     albertel 1974: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 1975: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   1976: 					    $code_type);
1.292     albertel 1977: 	     }
                   1978: 	     if ($code_name) {
                   1979: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 1980: 				      {
                   1981: 					$code_name =>join(',',keys(%allcodes)),
                   1982: 					"type\0$code_name" => $code_type
                   1983: 				      },
1.292     albertel 1984: 				      $cdom,$cnum);
                   1985: 	     }
                   1986: 	     @allcodes=keys(%allcodes);
                   1987: 	 }
1.336     albertel 1988: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   1989: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 1990: 	 &adjust_number_to_print($helper);
1.336     albertel 1991: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   1992: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   1993: 	     $number_per_page=$num_todo;
                   1994: 	 }
                   1995: 	 my $flag_latex_header_remove = 'NO'; 
                   1996: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 1997: 	 my $count=0;
1.292     albertel 1998: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 1999: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2000: 	     if ($code_type eq 'number') { 
                   2001: 		 $moreenv{'CODE'}=$code;
                   2002: 	     } else {
                   2003: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2004: 	     }
1.375     foxr     2005: 	     my ($output,$fullname, $printed)=
1.288     albertel 2006: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2007: 				  \@master_seq,$flag_latex_header_remove,
                   2008: 				  $LaTeXwidth);
1.375     foxr     2009: 	     $resources_printed .= ":";
1.295     albertel 2010: 	     $print_array[$file_num].=$output;
1.288     albertel 2011: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2012: 				       &mt('last assignment').' '.$fullname);
                   2013: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2014: 	     $count++;
1.331     albertel 2015: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2016: 	 }
                   2017: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2018: 	 $result .= $print_array[0].'  \end{document}';
                   2019:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2020:     #prints selected problems from the subdirectory 
                   2021: 	$selectionmade = 6;
                   2022:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2023: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2024: 	my $flag_latex_header_remove = 'NO'; 
                   2025: 	my $rndseed=time;
1.230     albertel 2026: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2027: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2028: 	}
1.151     sakharuk 2029: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2030: 
                   2031: 	    &Apache::lonenc::reset_enc();
                   2032: 
1.152     sakharuk 2033: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2034: 	    $urlp=~s|//|/|;
1.152     sakharuk 2035: 	    if ($urlp=~/\//) {
1.353     foxr     2036: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2037: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2038: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2039: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2040: 		} else {
1.302     sakharuk 2041: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2042: 		}
1.375     foxr     2043: 		$resources_printed .= $urlp.':';
1.515     foxr     2044: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2045: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2046: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2047: 		    #  Don't permanently pervert %form:
                   2048: 		    my %answerform = %form;
                   2049: 		    $answerform{'grade_target'}='answer';
                   2050: 		    $answerform{'answer_output_mode'}='tex';
                   2051: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2052: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2053: 		    $resources_printed .= $urlp.':';
1.515     foxr     2054: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2055: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2056: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2057: 		    } else {
1.253     sakharuk 2058: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2059: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2060: 			    $texversion.='\vskip 0 mm \noindent ';
                   2061: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2062: 			} else {
                   2063: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2064: 			    my $URLpath=$urlp;
                   2065: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2066: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2067: 			}
                   2068: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2069: 		    }
1.174     sakharuk 2070: 		}
1.515     foxr     2071:                 #this chunk is responsible for printing the path to problem
                   2072: 
1.253     sakharuk 2073: 		my $newurlp=$urlp;
                   2074: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2075: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2076: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2077: 		if ($flag_latex_header_remove ne 'NO') {
                   2078: 		    $texversion = &latex_header_footer_remove($texversion);
                   2079: 		} else {
                   2080: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2081: 		}
                   2082: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2083: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2084: 		}
1.219     sakharuk 2085: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2086: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2087: 		    
                   2088: 		}
1.152     sakharuk 2089: 		$result .= $texversion;
                   2090: 	    }
                   2091: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2092: 	}
1.175     sakharuk 2093: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2094: 	$result .= '\end{document}';      	
1.140     sakharuk 2095:     }
                   2096: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2097: 
                   2098:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2099: 
                   2100:     if ($do_postprocessing) {
                   2101: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2102: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2103: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2104: 	#if ($numberofcolumns == 1) {
1.451     albertel 2105: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2106: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2107: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2108: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2109: 	#}
                   2110:     }
1.367     foxr     2111: 
1.515     foxr     2112:     # Set URLback if this is a construction space print so we can provide
                   2113:     # a link to the resource being edited.
                   2114:     #
1.274     sakharuk 2115: 
1.276     sakharuk 2116:     my $URLback=''; #link to original document
1.510     albertel 2117:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2118: 	#prints resource from the construction space
                   2119: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2120: 	if ($URLback=~/([^?]+)/) {
                   2121: 	    $URLback=$1;
                   2122: 	    $URLback=~s|^/~|/priv/|;
                   2123: 	}
1.276     sakharuk 2124:     }
1.375     foxr     2125: 
1.525     www      2126: #-- writing .tex file in prtspool 
                   2127:     my $temp_file;
                   2128:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2129:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2130:     if (!($#print_array>0)) { 
                   2131:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2132: 	  $r->log_error("Couldn't open $filename for output $!");
                   2133: 	  return SERVER_ERROR; 
                   2134:        }
                   2135:        print $temp_file $result;
                   2136:        my $begin=index($result,'\begin{document}',0);
                   2137:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2138:     } else {
1.525     www      2139:        my $begin=index($result,'\begin{document}',0);
                   2140:        my $inc=substr($result,0,$begin+16);
                   2141:        for (my $i=0;$i<=$#print_array;$i++) {
                   2142: 	  if ($i==0) {
                   2143: 	      $print_array[$i]=$result;
                   2144: 	  } else {
                   2145: 	      $print_array[$i].='\end{document}';
                   2146: 	      $print_array[$i] = 
                   2147: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2148: 				   $selectionmade, 
                   2149: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2150: 	    
1.525     www      2151: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2152: 	      substr($print_array[$i],0,$anobegin)='';
                   2153: 	      $print_array[$i]=$inc.$print_array[$i];
                   2154: 	  }
                   2155: 	  my $temp_file;
                   2156: 	  my $newfilename=$filename;
                   2157: 	  my $num=$i+1;
                   2158: 	  $newfilename =~s/\.tex$//; 
                   2159: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2160: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2161: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2162: 	      return SERVER_ERROR; 
                   2163: 	  }
                   2164: 	  print $temp_file $print_array[$i];
                   2165:        }
                   2166:     }
                   2167:     my $student_names='';
                   2168:     if ($#print_array>0) {
                   2169:         for (my $i=0;$i<=$#print_array;$i++) {
                   2170:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2171: 	}
1.525     www      2172:     } else {
                   2173: 	if ($#student_names>-1) {
                   2174: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2175: 	} else {
1.525     www      2176:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2177: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2178: 				    $env{'request.course.sec'},$fullname).
                   2179: 					'_ENDPERSON_'.'_END_';
                   2180: 	}
1.525     www      2181:      }
1.515     foxr     2182: 	
1.525     www      2183:      # logic for now is too complex to trace if this has been defined
                   2184:      #  yet.
                   2185:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2186:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2187:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2188: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2189: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2190: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2191: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2192: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2193: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2194: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2195: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2196: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2197: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2198:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2199: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2200: 				"cgi.$identifier.courseid" => $cnum, 
                   2201: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2202: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2203: 	
1.525     www      2204:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2205:     my $continue_text = &mt('Continue');
1.525     www      2206:     # If there's been an unrecoverable SSI error, report it to the user
                   2207:     if ($ssi_error) {
                   2208:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
                   2209:         $r->print('<br /><h2>'.&mt('An unrecoverable network error occurred:').'</h2><p>  '.
1.526     www      2210:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2211:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2212:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2213:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2214:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2215:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2216:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2217:     } else {
1.515     foxr     2218: 	$r->print(<<FINALEND);
1.317     albertel 2219: <br />
1.288     albertel 2220: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2221: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2222: $end_page
1.140     sakharuk 2223: FINALEND
1.528     raeburn  2224:     }                                     # endif ssi errors.
1.140     sakharuk 2225: }
                   2226: 
1.288     albertel 2227: 
                   2228: sub get_CODE {
1.381     albertel 2229:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2230:     my $max='1'.'0'x$size;
                   2231:     my $newcode;
                   2232:     while(1) {
1.392     albertel 2233: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2234: 	if (!exists($$all_codes{$newcode})) {
                   2235: 	    $$all_codes{$newcode}=1;
1.381     albertel 2236: 	    if ($type eq 'number' ) {
                   2237: 		return $newcode;
                   2238: 	    } else {
                   2239: 		return &num_to_letters($newcode);
                   2240: 	    }
1.288     albertel 2241: 	}
                   2242:     }
                   2243: }
1.140     sakharuk 2244: 
1.284     albertel 2245: sub print_resources {
1.360     albertel 2246:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2247: 	$LaTeXwidth)=@_;
1.284     albertel 2248:     my $current_output = ''; 
1.375     foxr     2249:     my $printed = '';
1.284     albertel 2250:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2251:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2252:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2253:     if ($person =~ 'anon') {
1.492     foxr     2254: 	$namepostfix .="Name: ";
1.288     albertel 2255: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2256:     }
1.444     foxr     2257:     #  Fullname may have special latex characters that need \ prefixing:
                   2258:     #
                   2259: 
1.350     foxr     2260:     my $i           = 0;
1.284     albertel 2261:     #goes through all resources, checks if they are available for 
                   2262:     #current student, and produces output   
1.428     albertel 2263: 
                   2264:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2265:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2266:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2267:     #
1.441     foxr     2268:     #   end each student with a 
1.440     foxr     2269:     #   Special that allows the post processor to even out the page
                   2270:     #   counts later.  Nasty problem this... it would be really
                   2271:     #   nice to put the special in as a postscript comment
1.441     foxr     2272:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2273:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2274:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2275:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2276:     #
1.363     foxr     2277: 
1.511     foxr     2278: 
1.284     albertel 2279:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2280: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2281: 	    if($i != 0) {
                   2282: 		$current_output.= "\\newpage\n";
                   2283: 	    }
                   2284: 	}
                   2285: 	$i++;
1.511     foxr     2286: 
1.284     albertel 2287: 	if ( !($type eq 'problems' && 
                   2288: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2289: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2290: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2291: 		if ($res_url!~m|^ext/|
1.413     albertel 2292: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2293: 		    $printed .= $curresline.':';
1.428     albertel 2294: 
                   2295: 		    &Apache::lonxml::remember_problem_counter();    
                   2296: 
1.526     www      2297: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 2298: 
1.305     sakharuk 2299: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2300: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2301: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2302: 			my %answerenv = %{$moreenv};
                   2303: 			$answerenv{'answer_output_mode'}='tex';
                   2304: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2305: 			
                   2306: 			&Apache::lonxml::restore_problem_counter();
                   2307: 
1.380     foxr     2308: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2309: 
1.305     sakharuk 2310: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2311: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2312: 			} else {
1.423     foxr     2313: 
                   2314: 			    
                   2315: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2316: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2317: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2318: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2319: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2320: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2321: 			    $body     = &encapsulate_minipage($body);
                   2322: 			    $rendered = $header.$body;
1.305     sakharuk 2323: 			}
                   2324: 		    }
1.511     foxr     2325: 
                   2326: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2327: 			my $url = &Apache::lonnet::clutter($res_url);
                   2328: 			my $annotation = &annotate($url);
                   2329: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2330: 		    }
1.305     sakharuk 2331: 		    if ($remove_latex_header eq 'YES') {
                   2332: 			$rendered = &latex_header_footer_remove($rendered);
                   2333: 		    } else {
                   2334: 			$rendered =~ s/\\end{document}//;
                   2335: 		    }
                   2336: 		    $current_output .= $rendered;		    
1.456     raeburn  2337: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     2338: 		    $printed .= $curresline.':';
1.528     raeburn  2339: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2340: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2341: 			my $url = &Apache::lonnet::clutter($res_url);
                   2342: 			my $annotation = &annotate($url);
                   2343: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2344: 		    }
1.305     sakharuk 2345: 		    if ($remove_latex_header eq 'YES') {
                   2346: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2347: 		    } else {
1.305     sakharuk 2348: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2349: 		    }
1.421     foxr     2350: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
                   2351: 
1.284     albertel 2352: 		} else {
1.414     albertel 2353: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2354: 		    if ($remove_latex_header ne 'NO') {
                   2355: 			$rendered = &latex_header_footer_remove($rendered);
                   2356: 		    } else {
                   2357: 			$rendered =~ s/\\end{document}//;
                   2358: 		    }
                   2359: 		    $current_output .= $rendered;
1.284     albertel 2360: 		}
                   2361: 	    }
                   2362: 	    $remove_latex_header = 'YES';
                   2363: 	}
1.331     albertel 2364: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2365:     }
                   2366:     my $courseidinfo = &get_course();
                   2367:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   2368:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
                   2369:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2370:     my $header_line =
1.486     foxr     2371: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.476     albertel 2372: 			    $currentassignment, $courseidinfo, $fullname);
                   2373:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2374: 	                                         : '\fancyhead[LO]';
                   2375:     $header_line = $header_start.'{'.$header_line.'}';
                   2376: 
1.284     albertel 2377:     if ($current_output=~/\\documentclass/) {
1.476     albertel 2378: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 2379:     } else {
1.476     albertel 2380: 	my $blankpages = 
                   2381: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2382: 	    
                   2383: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2384: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2385: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2386: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2387:     }
1.440     foxr     2388:     #
                   2389:     #  Close the student bracketing.
                   2390:     #
1.375     foxr     2391:     return ($current_output,$fullname, $printed);
1.284     albertel 2392: 
                   2393: }
1.140     sakharuk 2394: 
1.3       sakharuk 2395: sub handler {
                   2396: 
                   2397:     my $r = shift;
1.397     albertel 2398:     
                   2399:     &init_perm();
1.114     bowersj2 2400: 
1.416     foxr     2401: 
1.67      www      2402: 
1.397     albertel 2403:     my $helper = printHelper($r);
                   2404:     if (!ref($helper)) {
                   2405: 	return $helper;
1.60      sakharuk 2406:     }
1.177     sakharuk 2407:    
1.184     sakharuk 2408: 
1.454     foxr     2409:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2410:  
1.416     foxr     2411: 
1.350     foxr     2412: 
                   2413: 
1.367     foxr     2414:     #  If a figure conversion queue file exists for this user.domain
                   2415:     # we delete it since it can only be bad (if it were good, printout.pl
                   2416:     # would have deleted it the last time around.
                   2417: 
1.373     albertel 2418:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2419:     if(-e $conversion_queuefile) {
                   2420: 	unlink $conversion_queuefile;
                   2421:     }
1.515     foxr     2422:     
                   2423: 
1.184     sakharuk 2424:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2425:     return OK;
1.60      sakharuk 2426: } 
1.2       sakharuk 2427: 
1.131     bowersj2 2428: use Apache::lonhelper;
1.130     sakharuk 2429: 
1.223     bowersj2 2430: sub addMessage {
                   2431:     my $text = shift;
                   2432:     my $paramHash = Apache::lonhelper::getParamHash();
                   2433:     $paramHash->{MESSAGE_TEXT} = $text;
                   2434:     Apache::lonhelper::message->new();
                   2435: }
                   2436: 
1.416     foxr     2437: 
1.238     bowersj2 2438: 
1.397     albertel 2439: sub init_perm {
                   2440:     undef(%perm);
                   2441:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2442:     if (!$perm{'pav'}) {
                   2443: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2444: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2445:     }
1.465     albertel 2446:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2447:     if (!$perm{'pfo'}) {
                   2448: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2449: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2450:     }
                   2451: }
                   2452: 
1.507     albertel 2453: sub get_randomly_ordered_warning {
                   2454:     my ($helper,$map) = @_;
                   2455: 
                   2456:     my $message;
                   2457: 
                   2458:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   2459:     my $navmap = Apache::lonnavmaps::navmap->new();
                   2460:     my $res = $navmap->getResourceByUrl($map);
                   2461:     if ($res) {
                   2462: 	my $func = 
                   2463: 	    sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   2464: 	my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   2465: 	if (@matches) {
1.508     albertel 2466: 	    $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
1.507     albertel 2467: 	}
                   2468:     }
                   2469:     if ($message) {
                   2470: 	return '<message type="warning">'.$message.'</message>';
                   2471:     }
                   2472:     return;
                   2473: }
                   2474: 
1.131     bowersj2 2475: sub printHelper {
1.115     bowersj2 2476:     my $r = shift;
                   2477: 
                   2478:     if ($r->header_only) {
1.373     albertel 2479:         if ($env{'browser.mathml'}) {
1.241     www      2480:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 2481:         } else {
1.241     www      2482:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 2483:         }
                   2484:         $r->send_http_header;
                   2485:         return OK;
1.115     bowersj2 2486:     }
                   2487: 
1.131     bowersj2 2488:     # Send header, nocache
1.373     albertel 2489:     if ($env{'browser.mathml'}) {
1.241     www      2490:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 2491:     } else {
1.241     www      2492:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 2493:     }
                   2494:     &Apache::loncommon::no_cache($r);
                   2495:     $r->send_http_header;
                   2496:     $r->rflush();
                   2497: 
1.131     bowersj2 2498:     # Unfortunately, this helper is so complicated we have to
                   2499:     # write it by hand
                   2500: 
                   2501:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   2502:     
1.176     bowersj2 2503:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 2504:     $helper->declareVar('symb');
1.156     bowersj2 2505:     $helper->declareVar('postdata');    
1.290     sakharuk 2506:     $helper->declareVar('curseed'); 
                   2507:     $helper->declareVar('probstatus');   
1.156     bowersj2 2508:     $helper->declareVar('filename');
                   2509:     $helper->declareVar('construction');
1.178     sakharuk 2510:     $helper->declareVar('assignment');
1.262     sakharuk 2511:     $helper->declareVar('style_file');
1.340     foxr     2512:     $helper->declareVar('student_sort');
1.363     foxr     2513:     $helper->declareVar('FINISHPAGE');
1.366     foxr     2514:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     2515:     $helper->declareVar("showallfoils");
1.483     foxr     2516:     $helper->declareVar("STUDENTS");
1.363     foxr     2517: 
1.518     foxr     2518: 
                   2519:    
                   2520: 
                   2521: 
1.363     foxr     2522:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     2523:     # But we only do this in the initial state so that they are allowed to change.
                   2524:     #
1.366     foxr     2525: 
1.416     foxr     2526:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     2527:     
                   2528:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     2529: 						{'pagebreaks'  => 'scalar',
                   2530: 					         'lastprinttype' => 'scalar'});
                   2531:     
1.483     foxr     2532:     # This will persistently load in the data we want from the
                   2533:     # very first screen.
1.394     foxr     2534:     
                   2535:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   2536: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   2537: 	    
                   2538: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2539: 	} else {
                   2540: 	    my $state = $env{"form.CURRENT_STATE"};
                   2541: 	    if ($state eq "START") {
                   2542: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2543: 	    }
                   2544: 	}
                   2545: 	
1.366     foxr     2546:     }
1.481     albertel 2547: 
1.483     foxr     2548: 
1.156     bowersj2 2549:     # Detect whether we're coming from construction space
1.373     albertel 2550:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 2551:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 2552:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 2553:     } else {
1.373     albertel 2554:         if ($env{'form.postdata'}) {
                   2555:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 2556: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   2557: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   2558: 	    }
1.156     bowersj2 2559:         }
1.373     albertel 2560:         if ($env{'form.symb'}) {
                   2561:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 2562:         }
1.373     albertel 2563:         if ($env{'form.url'}) {
1.156     bowersj2 2564:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   2565:         }
1.416     foxr     2566: 
1.157     bowersj2 2567:     }
1.481     albertel 2568: 
1.373     albertel 2569:     if ($env{'form.symb'}) {
                   2570:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 2571:     }
1.373     albertel 2572:     if ($env{'form.url'}) {
1.140     sakharuk 2573:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 2574: 
1.140     sakharuk 2575:     }
1.343     albertel 2576:     $helper->{VARS}->{'symb'}=
                   2577: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 2578:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 2579:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 2580: 
1.156     bowersj2 2581:     
1.146     bowersj2 2582:     # Extract map
                   2583:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 2584:     my ($map, $id, $url);
                   2585:     my $subdir;
1.483     foxr     2586:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 2587: 
                   2588:     # Get the resource name from construction space
                   2589:     if ($helper->{VARS}->{'construction'}) {
                   2590:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   2591:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   2592:         $subdir = substr($helper->{VARS}->{'filename'},
                   2593:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 2594:     } else {
1.482     albertel 2595: 	if ($symb ne '') {
                   2596: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   2597: 	    $helper->{VARS}->{'postdata'} = 
                   2598: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   2599: 	} else {
                   2600: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     2601: 	    $is_published=1;	# From resource space.
1.482     albertel 2602: 	}
                   2603: 	$url = &Apache::lonnet::clutter($url);
1.481     albertel 2604: 
1.156     bowersj2 2605:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 2606:             my $postdata = $helper->{VARS}->{'postdata'};
                   2607:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 2608:         }
                   2609:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 2610:     }
1.373     albertel 2611:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   2612: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 2613:     }
1.373     albertel 2614:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     2615: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 2616:     }
1.115     bowersj2 2617: 
1.192     bowersj2 2618:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   2619: 
1.481     albertel 2620:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 2621: 
1.131     bowersj2 2622:     # "Delete everything after the last slash."
1.119     bowersj2 2623:     $subdir =~ s|/[^/]+$||;
                   2624: 
1.131     bowersj2 2625:     # What can be printed is a very dynamic decision based on
                   2626:     # lots of factors. So we need to dynamically build this list.
                   2627:     # To prevent security leaks, states are only added to the wizard
                   2628:     # if they can be reached, which ensures manipulating the form input
                   2629:     # won't allow anyone to reach states they shouldn't have permission
                   2630:     # to reach.
                   2631: 
                   2632:     # printChoices is tracking the kind of printing the user can
                   2633:     # do, and will be used in a choices construction later.
                   2634:     # In the meantime we will be adding states and elements to
                   2635:     # the helper by hand.
                   2636:     my $printChoices = [];
                   2637:     my $paramHash;
1.130     sakharuk 2638: 
1.240     albertel 2639:     if ($resourceTitle) {
1.458     www      2640:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 2641:     }
                   2642: 
1.238     bowersj2 2643:     # Useful filter strings
1.287     albertel 2644:     my $isProblem = '($res->is_problem()||$res->contains_problem) ';
1.238     bowersj2 2645:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.287     albertel 2646:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence()';
                   2647:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 2648:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   2649:     my $isMap = '$res->is_map()';
1.342     albertel 2650:     my $symbFilter = '$res->shown_symb()';
                   2651:     my $urlValue = '$res->link()';
1.238     bowersj2 2652: 
                   2653:     $helper->declareVar('SEQUENCE');
                   2654: 
1.465     albertel 2655:     # If we're in a sequence...
1.416     foxr     2656: 
1.465     albertel 2657:     my $start_new_option;
                   2658:     if ($perm{'pav'}) {
                   2659: 	$start_new_option = 
                   2660: 	    "<option text='".&mt('Start new page<br />before selected').
                   2661: 	    "' variable='FINISHPAGE' />";
                   2662:     }
1.238     bowersj2 2663: 
1.483     foxr     2664:     if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
1.350     foxr     2665: 
1.243     bowersj2 2666: 	$helper->{VARS}->{'postdata'} &&
                   2667: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 2668:         # Allow problems from sequence
1.458     www      2669:         push @{$printChoices}, [&mt('Selected <b>Problems</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 2670:         # Allow all resources from sequence
1.458     www      2671:         push @{$printChoices}, [&mt('Selected <b>Resources</b> in folder <b><i>[_1]</i></b>',$sequenceTitle), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.465     albertel 2672: 
1.131     bowersj2 2673:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 2674:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1.435     foxr     2675:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2676:               closeallpages="1">
1.144     bowersj2 2677:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2678:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 2679:       <mapurl>$map</mapurl>
1.238     bowersj2 2680:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2681:       $start_new_option
1.131     bowersj2 2682:       </resource>
                   2683:     </state>
                   2684: 
1.155     sakharuk 2685:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1.435     foxr     2686:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2687:               closeallpages="1">
1.144     bowersj2 2688:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2689:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2690:       <mapurl>$map</mapurl>
1.238     bowersj2 2691:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2692:       $start_new_option
1.131     bowersj2 2693:       </resource>
                   2694:     </state>
                   2695: HELPERFRAGMENT
1.121     bowersj2 2696: 
1.326     sakharuk 2697: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2698:     }
                   2699: 
1.397     albertel 2700:     # If the user has pfo (print for otheres) allow them to print all 
1.354     foxr     2701:     # problems and resources  in the entier course, optionally for selected students
1.483     foxr     2702:     if ($perm{'pfo'} &&  !$is_published  &&
1.481     albertel 2703:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
                   2704: 
1.509     albertel 2705:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   2706: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536   ! foxr     2707: 	push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
1.284     albertel 2708:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2709:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1.287     albertel 2710:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2711: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2712:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2713:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2714:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2715:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2716:       $start_new_option
1.284     albertel 2717:     </resource>
                   2718:   </state>
1.354     foxr     2719:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2720:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2721:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2722:       <nextstate>PAGESIZE</nextstate>
                   2723:       <filterfunc>return $isNotMap; </filterfunc>
                   2724:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2725:       $start_new_option
1.354     foxr     2726:     </resource>
                   2727:   </state>
1.536   ! foxr     2728:   <state name="ALL_PROBLEMS_STUDENTS" title="Select Problem(s) to print">
        !          2729:     <resource variable="RESOURCES" toponly='0' multichoice="1"
        !          2730: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
        !          2731:       <nextstate>STUDENTS1</nextstate>
        !          2732:       <filterfunc>return $isProblemOrMap;</filterfunc>
        !          2733:       <choicefunc>return $isNotMap;</choicefunc>
        !          2734:       <valuefunc>return $symbFilter;</valuefunc>
        !          2735:       $start_new_option
        !          2736:     </resource>
        !          2737:   </state>
        !          2738:   <state name="STUDENTS1" title="Select People">
        !          2739:       <message><b>Select sorting order of printout</b> </message>
        !          2740:     <choices variable='student_sort'>
        !          2741:       <choice computer='0'>Sort by section then student</choice>
        !          2742:       <choice computer='1'>Sort by students across sections.</choice>
        !          2743:     </choices>
        !          2744:       <message><br /><hr /><br /> </message>
        !          2745:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
        !          2746:   </state>
        !          2747: 
1.284     albertel 2748: ALL_PROBLEMS
1.132     bowersj2 2749: 
1.284     albertel 2750: 	if ($helper->{VARS}->{'assignment'}) {
1.483     foxr     2751: 	    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      2752: 	    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 2753: 	}
1.424     foxr     2754: 
1.507     albertel 2755: 	my $randomly_ordered_warning = 
                   2756: 	    &get_randomly_ordered_warning($helper,$map);
                   2757: 
1.424     foxr     2758: 	# resource_selector will hold a few states that:
                   2759: 	#   - Allow resources to be selected for printing.
                   2760: 	#   - Determine pagination between assignments.
                   2761: 	#   - Determine how many assignments should be bundled into a single PDF.
                   2762:         # TODO:
                   2763: 	#    Probably good to do things like separate this up into several vars, each
                   2764: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   2765: 	#    and next states for better mix and match capability
                   2766: 	#
1.284     albertel 2767: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2768:     <state name="SELECT_PROBLEMS" title="Select resources to print">
1.507     albertel 2769:     $randomly_ordered_warning
                   2770: 
1.424     foxr     2771:    <nextstate>PRINT_FORMATTING</nextstate> 
1.284     albertel 2772:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2773:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2774:               closeallpages="1">
1.254     sakharuk 2775:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2776:       <mapurl>$map</mapurl>
1.254     sakharuk 2777:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2778:       $start_new_option
1.147     bowersj2 2779:       </resource>
1.424     foxr     2780:     </state>
                   2781:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 2782:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2783:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2784:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2785:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2786:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2787:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2788:     </choices>
1.424     foxr     2789:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2790:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2791:     <choices variable="SPLIT_PDFS">
                   2792:        <choice computer="all">All assignments in a single PDF file</choice>
                   2793:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2794:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2795:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2796:             Specify the number of assignments per PDF:</choice>
1.429     foxr     2797:     </choices>
1.424     foxr     2798:     </state>
1.284     albertel 2799: RESOURCE_SELECTOR
                   2800: 
                   2801:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2802:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.485     albertel 2803:       <message><b>Select sorting order of printout</b> </message>
1.340     foxr     2804:     <choices variable='student_sort'>
                   2805:       <choice computer='0'>Sort by section then student</choice>
                   2806:       <choice computer='1'>Sort by students across sections.</choice>
                   2807:     </choices>
1.437     foxr     2808:       <message><br /><hr /><br /> </message>
1.425     foxr     2809:       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
1.424     foxr     2810:   </state>
1.284     albertel 2811:     $resource_selector
1.131     bowersj2 2812: CHOOSE_STUDENTS
1.292     albertel 2813: 
1.373     albertel 2814: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2815: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2816:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2817: 	my $namechoice='<choice></choice>';
1.337     albertel 2818: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2819: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2820: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2821: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2822: 	}
1.389     foxr     2823: 
                   2824: 
                   2825: 	my %code_values;
1.405     albertel 2826: 	my %codes_to_print;
1.411     albertel 2827: 	foreach my $key (@names) {
1.389     foxr     2828: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 2829: 	    foreach my $key (keys(%code_values)) {
                   2830: 		$codes_to_print{$key} = 1;
1.388     foxr     2831: 	    }
                   2832: 	}
1.389     foxr     2833: 
1.452     albertel 2834: 	my $code_selection;
1.405     albertel 2835: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     2836: 	    my $choice  = $code;
                   2837: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2838: 		$choice = &letters_to_num($code);
                   2839: 	    }
1.432     albertel 2840: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     2841: 	}
1.436     albertel 2842: 	if (%codes_to_print) {
                   2843: 	    $code_selection .='   
1.472     albertel 2844: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 2845: 		<message></td><td></message>
1.452     albertel 2846: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   2847:                   <choice></choice>
1.448     albertel 2848:                   <exec>
                   2849:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   2850:                   </exec>
1.452     albertel 2851: 		</dropdown>
1.468     foxr     2852: 	    <message></td></tr><tr><td></message>
1.436     albertel 2853:             '.$/;
1.448     albertel 2854: 
1.436     albertel 2855: 	}
1.432     albertel 2856: 
                   2857: 	
1.381     albertel 2858: 	open(FH,$Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   2859: 	my $codechoice='';
                   2860: 	foreach my $line (<FH>) {
                   2861: 	    my ($name,$description,$code_type,$code_length)=
                   2862: 		(split(/:/,$line))[0,1,2,4];
                   2863: 	    if ($code_length > 0 && 
                   2864: 		$code_type =~/^(letter|number|-1)/) {
                   2865: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   2866: 	    }
                   2867: 	}
                   2868: 	if ($codechoice eq '') {
                   2869: 	    $codechoice='<choice computer="default">Default</choice>';
                   2870: 	}
1.284     albertel 2871:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1.468     foxr     2872:   <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
1.424     foxr     2873:     <nextstate>SELECT_PROBLEMS</nextstate>
1.468     foxr     2874:     <message><h4>Fill out one of the forms below</h4></message>
                   2875:     <message><br /><hr /> <br /></message>
                   2876:     <message><h3>Generate new CODEd Assignments</h3></message>
                   2877:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 2878:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2879:        <validator>
                   2880: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     2881: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2882:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   2883: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2884: 	    return "You need to specify the number of assignments to print";
                   2885: 	}
                   2886: 	return undef;
                   2887:        </validator>
                   2888:     </string>
                   2889:     <message></td></tr><tr><td></message>
1.501     albertel 2890:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 2891:     <message></td><td></message>
                   2892:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   2893:     <message></td></tr><tr><td></message>
                   2894:     <message><b>Bubble sheet type:</b></message>
                   2895:     <message></td><td></message>
                   2896:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   2897:     $codechoice
                   2898:     </dropdown>
1.468     foxr     2899:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                   2900:     <message></td></tr><tr><td></table></message>
1.472     albertel 2901:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
1.468     foxr     2902:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 2903:     <string variable="SINGLE_CODE" size="10">
1.382     foxr     2904:         <validator>
                   2905: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     2906: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   2907: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     2908: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   2909: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   2910: 	   } else {
                   2911: 	       return undef;	# Other forces control us.
                   2912: 	   }
                   2913:         </validator>
                   2914:     </string>
1.472     albertel 2915:     <message></td></tr><tr><td></message>
1.432     albertel 2916:         $code_selection
1.468     foxr     2917:     <message></td></tr></table></message>
1.472     albertel 2918:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
1.468     foxr     2919:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 2920:     <message></td><td></message>
1.292     albertel 2921:     <dropdown variable="REUSE_OLD_CODES">
                   2922:         $namechoice
                   2923:     </dropdown>
1.412     albertel 2924:     <message></td></tr></table></message>
1.284     albertel 2925:   </state>
1.424     foxr     2926:   $resource_selector
1.284     albertel 2927: CHOOSE_ANON1
1.254     sakharuk 2928: 
1.272     sakharuk 2929: 
1.254     sakharuk 2930: 	if ($helper->{VARS}->{'assignment'}) {
1.483     foxr     2931: 	    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 2932: 	    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 2933: 	}
1.284     albertel 2934: 	    
                   2935: 
                   2936: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2937:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 2938:     $randomly_ordered_warning
                   2939: 
1.424     foxr     2940:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 2941:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2942:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2943:               closeallpages="1">
1.254     sakharuk 2944:       <filterfunc>return $isNotMap;</filterfunc>
                   2945:       <mapurl>$map</mapurl>
                   2946:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2947:       $start_new_option
1.254     sakharuk 2948:       </resource>
1.424     foxr     2949:     </state>
                   2950:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   2951:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 2952:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   2953:     <choices variable="EMPTY_PAGES">
                   2954:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2955:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2956:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2957:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2958:     </choices>
1.424     foxr     2959:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2960:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2961:     <choices variable="SPLIT_PDFS">
                   2962:        <choice computer="all">All assignments in a single PDF file</choice>
                   2963:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2964:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2965:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2966:            Specify the number of assignments per PDF:</choice>
1.429     foxr     2967:     </choices>
1.424     foxr     2968:     </state>
1.284     albertel 2969: RESOURCE_SELECTOR
                   2970: 
                   2971: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   2972:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     2973:     <choices variable='student_sort'>
                   2974:       <choice computer='0'>Sort by section then student</choice>
                   2975:       <choice computer='1'>Sort by students across sections.</choice>
                   2976:     </choices>
1.437     foxr     2977:     <message><br /><hr /><br /></message>
1.426     foxr     2978:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     2979: 
1.424     foxr     2980:     </state>
1.284     albertel 2981:     $resource_selector
1.254     sakharuk 2982: CHOOSE_STUDENTS1
                   2983: 
1.284     albertel 2984: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 2985:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     2986:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 2987:     <message><h4>Fill out one of the forms below</h4></message>
                   2988:     <message><br /><hr /> <br /></message>
                   2989:     <message><h3>Generate new CODEd Assignments</h3></message>
                   2990:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 2991:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   2992:        <validator>
                   2993: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     2994: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     2995: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   2996: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 2997: 	    return "You need to specify the number of assignments to print";
                   2998: 	}
                   2999: 	return undef;
                   3000:        </validator>
                   3001:     </string>
                   3002:     <message></td></tr><tr><td></message>
1.501     albertel 3003:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3004:     <message></td><td></message>
                   3005:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3006:     <message></td></tr><tr><td></message>
                   3007:     <message><b>Bubble sheet type:</b></message>
                   3008:     <message></td><td></message>
                   3009:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3010:     $codechoice
                   3011:     </dropdown>
1.472     albertel 3012:     <message></td></tr><tr><td></table></message>
                   3013:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3014:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3015:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3016:         <validator>
                   3017: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3018: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3019: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3020: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3021: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3022: 	   } else {
                   3023: 	       return undef;	# Other forces control us.
                   3024: 	   }
                   3025:         </validator>
                   3026:     </string>
1.472     albertel 3027:     <message></td></tr><tr><td></message>
1.432     albertel 3028:         $code_selection
1.472     albertel 3029:     <message></td></tr></table></message>
                   3030:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3031:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3032:     <message></td><td></message>
1.294     albertel 3033:     <dropdown variable="REUSE_OLD_CODES">
                   3034:         $namechoice
                   3035:     </dropdown>
1.412     albertel 3036:     <message></td></tr></table></message>
1.424     foxr     3037:   </state>
1.284     albertel 3038:     $resource_selector
                   3039: CHOOSE_ANON2
1.481     albertel 3040:     }
                   3041: 
1.121     bowersj2 3042:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3043:     if (($perm{'pav'} 
1.482     albertel 3044: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3045: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3046: 	    ||
                   3047: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3048: 	     && 
                   3049: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3050: 	    )) 
                   3051: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3052: 	) {
1.238     bowersj2 3053: 
1.482     albertel 3054: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
                   3055:         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 3056:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3057:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3058: 
1.138     bowersj2 3059:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3060:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3061:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3062: CHOOSE_FROM_SUBDIR
                   3063:         
1.238     bowersj2 3064:         # this is broken up because I really want interpolation above,
                   3065:         # and I really DON'T want it below
1.139     bowersj2 3066:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3067:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3068: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3069:       </filefilter>
1.138     bowersj2 3070:       </files>
1.131     bowersj2 3071:     </state>
                   3072: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3073:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3074:     }
1.238     bowersj2 3075: 
                   3076:     # Allow the user to select any sequence in the course, feed it to
                   3077:     # another resource selector for that sequence
1.483     foxr     3078:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3079: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3080: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3081: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3082: 	#Escape apostrophes and backslashes for Perl
                   3083: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3084: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3085: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3086:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3087:     <message>Select the sequence to print resources from:</message>
                   3088:     <resource variable="SEQUENCE">
                   3089:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3090:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3091:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3092:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3093: 	</choicefunc>
1.238     bowersj2 3094:       </resource>
                   3095:     </state>
                   3096:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3097:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3098:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3099:               closeallpages="1">
1.238     bowersj2 3100:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3101:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3102:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3103:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3104:       $start_new_option
1.238     bowersj2 3105:       </resource>
                   3106:     </state>
                   3107: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3108: }
1.481     albertel 3109: 
1.131     bowersj2 3110:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3111:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3112:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3113:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3114:     Apache::lonhelper::message->new();
                   3115:     $paramHash = Apache::lonhelper::getParamHash();
                   3116:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3117:     $paramHash->{CHOICES} = $printChoices;
                   3118:     Apache::lonhelper::choices->new();
1.161     bowersj2 3119: 
1.223     bowersj2 3120:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3121:                           # to close it later)
                   3122: 
1.397     albertel 3123:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3124: 	($helper->{VARS}->{'construction'} eq '1')) {
1.497     www      3125: 	addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3126:                    '<label for="ANSWER_TYPE_forminput">'.
                   3127:                    &mt('Print').
                   3128:                    "</label>: </td><td>");
1.161     bowersj2 3129:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3130: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3131: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3132:         $paramHash->{CHOICES} = [
1.242     sakharuk 3133:                                    ['Without Answers', 'yes'],
                   3134:                                    ['With Answers', 'no'],
1.368     albertel 3135:                                    ['Only Answers', 'only']
1.289     sakharuk 3136:                                 ];
1.210     sakharuk 3137:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 3138: 	addMessage("</td></tr>");
                   3139: 	$startedTable = 1;
1.161     bowersj2 3140:     }
1.209     sakharuk 3141: 
1.397     albertel 3142:     if ($perm{'pav'}) {
1.223     bowersj2 3143: 	if (!$startedTable) {
1.497     www      3144: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3145:                        '<label for="LATEX_TYPE_forminput">'.
                   3146:                        &mt('LaTeX mode').
                   3147:                        "</label>: </td><td>");
1.223     bowersj2 3148: 	    $startedTable = 1;
                   3149: 	} else {
1.497     www      3150: 	    addMessage("<tr><td align='right'>".
                   3151:                        '<label for="LATEX_TYPE_forminput">'.
                   3152:                         &mt('LaTeX mode').
                   3153:                        "</label>: </td><td>");
1.223     bowersj2 3154: 	}
1.203     sakharuk 3155:         $paramHash = Apache::lonhelper::getParamHash();
                   3156: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3157: 	$helper->declareVar('LATEX_TYPE');  
                   3158: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3159: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3160: 				     ['standard LaTeX mode', 'standard'], 
                   3161: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3162: 	} else {
                   3163: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3164: 				     ['LaTeX batchmode', 'batchmode'],
                   3165: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3166: 	}
1.210     sakharuk 3167:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3168:  
1.497     www      3169: 	addMessage("</td></tr><tr><td align='right'>".
1.506     albertel 3170:                    '<label for="TABLE_CONTENTS_forminput">'.
1.497     www      3171:                    &mt('Print Table of Contents').
                   3172:                    "</label>: </td><td>");
1.209     sakharuk 3173:         $paramHash = Apache::lonhelper::getParamHash();
                   3174: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3175: 	$helper->declareVar('TABLE_CONTENTS');         
                   3176:         $paramHash->{CHOICES} = [
1.223     bowersj2 3177:                                    ['No', 'no'],
                   3178:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3179:         Apache::lonhelper::dropdown->new();
1.223     bowersj2 3180: 	addMessage("</td></tr>");
1.214     sakharuk 3181:         
1.220     sakharuk 3182: 	if (not $helper->{VARS}->{'construction'}) {
1.497     www      3183: 	    addMessage("<tr><td align='right'>".
                   3184:                        '<label for="TABLE_INDEX_forminput">'.
                   3185:                        &mt('Print Index').
                   3186:                        "</label>: </td><td>");
1.220     sakharuk 3187: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3188: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3189: 	    $helper->declareVar('TABLE_INDEX');         
                   3190: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3191: 				     ['No', 'no'],
                   3192: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3193: 	    Apache::lonhelper::dropdown->new();
1.223     bowersj2 3194: 	    addMessage("</td></tr>");
1.497     www      3195: 	    addMessage("<tr><td align='right'>".
                   3196:                        '<label for="PRINT_DISCUSSIONS_forminput">'.
                   3197:                        &mt('Print Discussions').
                   3198:                        "</label>: </td><td>");
1.309     sakharuk 3199: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3200: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3201: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3202: 	    $paramHash->{CHOICES} = [
                   3203: 				     ['No', 'no'],
                   3204: 				     ['Yes', 'yes'] ];
                   3205: 	    Apache::lonhelper::dropdown->new();
                   3206: 	    addMessage("</td></tr>");
1.372     foxr     3207: 
1.511     foxr     3208: 	    # Prompt for printing annotations too.
                   3209: 		
                   3210: 	    addMessage("<tr><td align='right'>".
                   3211: 		       '<label for="PRINT_ANNOTATIONS_forminput">'.
                   3212: 		       &mt('Print Annotations').
                   3213: 		       "</label>:</td><td>");
                   3214: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3215: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3216: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3217: 	    $paramHash->{CHOICES} = [
                   3218: 				     ['No', 'no'],
                   3219: 				     ['Yes', 'yes']];
                   3220: 	    Apache::lonhelper::dropdown->new();
                   3221: 	    addMessage("</td></tr>");
                   3222: 
1.397     albertel 3223: 	    addMessage("<tr><td align = 'right'>  </td><td>");
                   3224: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3225: 	    $paramHash->{'multichoice'} = "true";
                   3226: 	    $paramHash->{'allowempty'}  = "true";
                   3227: 	    $paramHash->{'variable'}   = "showallfoils";
                   3228: 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   3229: 	    Apache::lonhelper::choices->new();
                   3230: 	    addMessage("</td></tr>");
1.220     sakharuk 3231: 	}
1.219     sakharuk 3232: 
1.230     albertel 3233: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3234: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3235:             my $randseedtext=&mt("Use random seed");
                   3236:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3237:             my $selectfiletext=&mt("Select style file");
1.497     www      3238: 
1.265     sakharuk 3239: 	    my $xmlfrag .= <<"RNDSEED";
1.497     www      3240: 	    <message><tr><td align='right'>
                   3241:             <label for="curseed_forminput">$randseedtext</label>:
                   3242:             </td><td></message>
1.230     albertel 3243: 	    <string variable="curseed" size="15" maxlength="15">
                   3244: 		<defaultvalue>
                   3245: 	            return $helper->{VARS}->{'curseed'};
                   3246: 	        </defaultvalue>
1.262     sakharuk 3247: 	    </string>
1.497     www      3248: 	     <message></td></tr><tr><td align="right">
1.503     albertel 3249:              <label for="style_file">$stylefiletext</label>:
1.497     www      3250:              </td><td></message>
1.504     albertel 3251:              <string variable="style_file" size="40">
                   3252: 		<defaultvalue>
1.505     albertel 3253: 	            return $stylevalue;
1.504     albertel 3254: 	        </defaultvalue>
1.506     albertel 3255:              </string><message>&nbsp; <a href="javascript:openbrowser('helpform','style_file_forminput','sty')">$selectfiletext</a> </td></tr><tr><td></td><td align="left"></message>
1.371     foxr     3256: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.506     albertel 3257:                 <choice computer="1">Show all foils</choice>
1.371     foxr     3258:              </choices>
1.378     albertel 3259: 	     <message></td></tr></message>
1.230     albertel 3260: RNDSEED
                   3261:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3262: 
                   3263: 
                   3264: 	    addMessage("<tr><td>Problem Type:</td><td>");
                   3265: 	    #
                   3266: 	    # Initial value from construction space:
                   3267: 	    #
                   3268: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   3269: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   3270: 	    }
1.518     foxr     3271: 	    $xmlfrag = << "PROBTYPE";
                   3272: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   3273: 		   <defaultvalue>
                   3274: 		      return "$helper->{VARS}->{'probstatus'}";
                   3275:                    </defaultvalue>
                   3276: 		   <choice computer="problem">Homework Problem</choice>
                   3277: 		   <choice computer="exam">Exam Problem</choice>
                   3278: 		   <choice computer="survey">Survey question</choice>
                   3279: 		</dropdown>
                   3280: PROBTYPE
                   3281:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3282: 	    
1.512     foxr     3283: 	    addMessage("</td></tr>"); 
                   3284: 
1.372     foxr     3285: 	} 
1.223     bowersj2 3286:     }
1.264     sakharuk 3287: 
                   3288: 
                   3289: 
1.218     sakharuk 3290: 
1.223     bowersj2 3291:     if ($startedTable) {
                   3292: 	addMessage("</table>");
1.215     sakharuk 3293:     }
1.161     bowersj2 3294: 
1.131     bowersj2 3295:     Apache::lonprintout::page_format_state->new("FORMAT");
                   3296: 
1.144     bowersj2 3297:     # Generate the PAGESIZE state which will offer the user the margin
                   3298:     # choices if they select one column
                   3299:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   3300:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   3301: 
                   3302: 
1.131     bowersj2 3303:     $helper->process();
                   3304: 
1.416     foxr     3305: 
1.131     bowersj2 3306:     # MANUAL BAILOUT CONDITION:
                   3307:     # If we're in the "final" state, bailout and return to handler
                   3308:     if ($helper->{STATE} eq 'FINAL') {
                   3309:         return $helper;
                   3310:     }    
1.130     sakharuk 3311: 
1.131     bowersj2 3312:     $r->print($helper->display());
1.395     www      3313:     if ($helper->{STATE} eq 'START') {
                   3314: 	&recently_generated($r);
                   3315:     }
1.333     albertel 3316:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 3317: 
                   3318:     return OK;
                   3319: }
                   3320: 
1.1       www      3321: 
                   3322: 1;
1.119     bowersj2 3323: 
                   3324: package Apache::lonprintout::page_format_state;
                   3325: 
                   3326: =pod
                   3327: 
1.131     bowersj2 3328: =head1 Helper element: page_format_state
                   3329: 
                   3330: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 3331: 
1.131     bowersj2 3332: Apache::lonprintout::page_format_state is an element that gives the 
                   3333: user an opportunity to select the page layout they wish to print 
                   3334: with: Number of columns, portrait/landscape, and paper size. If you 
                   3335: want to change the paper size choices, change the @paperSize array 
                   3336: contents in this package.
1.119     bowersj2 3337: 
1.131     bowersj2 3338: page_format_state is always directly invoked in lonprintout.pm, so there
                   3339: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 3340: 
                   3341: =over 4
                   3342: 
1.131     bowersj2 3343: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 3344: 
                   3345: =back
                   3346: 
                   3347: =cut
                   3348: 
1.131     bowersj2 3349: use Apache::lonhelper;
1.119     bowersj2 3350: 
                   3351: no strict;
1.131     bowersj2 3352: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 3353: use strict;
1.266     sakharuk 3354: use Apache::lonlocal;
1.373     albertel 3355: use Apache::lonnet;
1.119     bowersj2 3356: 
                   3357: my $maxColumns = 2;
1.376     albertel 3358: # it'd be nice if these all worked
                   3359: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   3360: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   3361: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   3362: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 3363: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 3364: 		 "a4 [210x297 mm]");
1.119     bowersj2 3365: 
                   3366: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   3367: #                   Paper type
                   3368: 
                   3369: sub new { 
1.131     bowersj2 3370:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 3371: 
1.135     bowersj2 3372:     shift;
                   3373: 
1.131     bowersj2 3374:     $self->{'variable'} = shift;
1.134     bowersj2 3375:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 3376:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 3377:     bless($self);
1.119     bowersj2 3378:     return $self;
                   3379: }
                   3380: 
                   3381: sub render {
                   3382:     my $self = shift;
1.131     bowersj2 3383:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 3384:     my $result = '';
1.131     bowersj2 3385:     my $var = $self->{'variable'};
1.266     sakharuk 3386:     my $PageLayout=&mt('Page layout');
                   3387:     my $NumberOfColumns=&mt('Number of columns');
                   3388:     my $PaperType=&mt('Paper type');
1.506     albertel 3389:     my $landscape=&mt('Landscape');
                   3390:     my $portrait=&mt('Portrait');
1.119     bowersj2 3391:     $result .= <<STATEHTML;
                   3392: 
1.223     bowersj2 3393: <hr width="33%" />
1.119     bowersj2 3394: <table cellpadding="3">
                   3395:   <tr>
1.266     sakharuk 3396:     <td align="center"><b>$PageLayout</b></td>
                   3397:     <td align="center"><b>$NumberOfColumns</b></td>
                   3398:     <td align="center"><b>$PaperType</b></td>
1.119     bowersj2 3399:   </tr>
                   3400:   <tr>
                   3401:     <td>
1.506     albertel 3402:       <label><input type="radio" name="${var}.layout" value="L" /> $landscape </label><br />
                   3403:       <label><input type="radio" name="${var}.layout" value="P" checked='1'  /> $portrait </label>
1.119     bowersj2 3404:     </td>
1.155     sakharuk 3405:     <td align="center">
1.119     bowersj2 3406:       <select name="${var}.cols">
                   3407: STATEHTML
                   3408: 
                   3409:     my $i;
                   3410:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 3411:         if ($i == 2) {
1.119     bowersj2 3412:             $result .= "<option value='$i' selected>$i</option>\n";
                   3413:         } else {
                   3414:             $result .= "<option value='$i'>$i</option>\n";
                   3415:         }
                   3416:     }
                   3417: 
                   3418:     $result .= "</select></td><td>\n";
                   3419:     $result .= "<select name='${var}.paper'>\n";
                   3420: 
1.373     albertel 3421:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 3422:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   3423:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 3424:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 3425:     $i = 0;
                   3426:     foreach (@paperSize) {
1.326     sakharuk 3427: 	$_=~/(\w+)/;
                   3428: 	my $papersize=$1;
1.304     sakharuk 3429:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.326     sakharuk 3430:             $result .= "<option selected value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 3431:         } else {
1.326     sakharuk 3432:             $result .= "<option value='$papersize'>" . $paperSize[$i] . "</option>\n";
1.119     bowersj2 3433:         }
                   3434:         $i++;
                   3435:     }
                   3436:     $result .= "</select></td></tr></table>";
                   3437:     return $result;
1.135     bowersj2 3438: }
                   3439: 
                   3440: sub postprocess {
                   3441:     my $self = shift;
                   3442: 
                   3443:     my $var = $self->{'variable'};
1.136     bowersj2 3444:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 3445:     $helper->{VARS}->{$var} = 
1.373     albertel 3446:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
                   3447:         $env{"form.$var.paper"};
1.135     bowersj2 3448:     return 1;
1.119     bowersj2 3449: }
                   3450: 
                   3451: 1;
1.144     bowersj2 3452: 
                   3453: package Apache::lonprintout::page_size_state;
                   3454: 
                   3455: =pod
                   3456: 
                   3457: =head1 Helper element: page_size_state
                   3458: 
                   3459: See lonhelper.pm documentation for discussion of the helper framework.
                   3460: 
                   3461: Apache::lonprintout::page_size_state is an element that gives the 
                   3462: user the opportunity to further refine the page settings if they
                   3463: select a single-column page.
                   3464: 
                   3465: page_size_state is always directly invoked in lonprintout.pm, so there
                   3466: is no tag interface. You actually pass parameters to the constructor.
                   3467: 
                   3468: =over 4
                   3469: 
                   3470: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   3471: 
                   3472: =back
                   3473: 
                   3474: =cut
                   3475: 
                   3476: use Apache::lonhelper;
1.373     albertel 3477: use Apache::lonnet;
1.144     bowersj2 3478: no strict;
                   3479: @ISA = ("Apache::lonhelper::element");
                   3480: use strict;
                   3481: 
                   3482: 
                   3483: 
                   3484: sub new { 
                   3485:     my $self = Apache::lonhelper::element->new();
                   3486: 
                   3487:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   3488:            # package descriptor)... - Jeremy
                   3489: 
                   3490:     $self->{'variable'} = shift;
                   3491:     my $helper = Apache::lonhelper::getHelper();
                   3492:     $helper->declareVar($self->{'variable'});
                   3493: 
                   3494:     # The variable name of the format element, so we can look into 
                   3495:     # $helper->{VARS} to figure out whether the columns are one or two
                   3496:     $self->{'formatvar'} = shift;
                   3497: 
1.463     foxr     3498: 
1.144     bowersj2 3499:     $self->{NEXTSTATE} = shift;
                   3500:     bless($self);
1.467     foxr     3501: 
1.144     bowersj2 3502:     return $self;
                   3503: }
                   3504: 
                   3505: sub render {
                   3506:     my $self = shift;
                   3507:     my $helper = Apache::lonhelper::getHelper();
                   3508:     my $result = '';
                   3509:     my $var = $self->{'variable'};
                   3510: 
1.467     foxr     3511: 
                   3512: 
1.144     bowersj2 3513:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 3514:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 3515:     }
                   3516: 
1.438     foxr     3517:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     3518: 
                   3519:     # Use format to get sensible defaults for the margins:
                   3520: 
                   3521: 
                   3522:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3523:     ($papersize)                      = split(/ /, $papersize);
                   3524: 
                   3525: 
                   3526:     if ($laystyle eq 'L') {
                   3527: 	$laystyle = 'album';
                   3528:     } else {
                   3529: 	$laystyle = 'book';
                   3530:     }
                   3531: 
                   3532: 
1.464     albertel 3533:     my %size;
                   3534:     ($size{'width_and_units'},
                   3535:      $size{'height_and_units'},
                   3536:      $size{'margin_and_units'})=
                   3537: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     3538:     
1.464     albertel 3539:     foreach my $dimension ('width','height','margin') {
                   3540: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   3541: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   3542:        	
                   3543: 	foreach my $unit ('cm','in') {
                   3544: 	    $size{$dimension.'_options'} .= '<option ';
                   3545: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   3546: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   3547: 	    }
                   3548: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   3549: 	}
1.438     foxr     3550:     }
                   3551: 
1.470     foxr     3552:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   3553: 
                   3554:     if ($size{'margin_unit'} eq 'in') {
                   3555: 	$size{'margin'} += 1;
                   3556:     }  else {
                   3557: 	$size{'margin'} += 2.54;
                   3558:     }
1.506     albertel 3559:     my %text = ('format' => 'How should each column be formatted?',
                   3560: 		'width'  => 'Width:',
                   3561: 		'height' => 'Height:',
                   3562: 		'margin' => 'Left Margin:',);
                   3563:     %text = &Apache::lonlocal::texthash(%text);
                   3564: 
1.144     bowersj2 3565:     $result .= <<ELEMENTHTML;
                   3566: 
1.506     albertel 3567: <p>$text{'format'}</p>
1.144     bowersj2 3568: 
                   3569: <table cellpadding='3'>
                   3570:   <tr>
1.506     albertel 3571:     <td align='right'><b>$text{'width'}</b></td>
1.464     albertel 3572:     <td align='left'><input type='text' name='$var.width' value="$size{'width'}" size='4' /></td>
1.144     bowersj2 3573:     <td align='left'>
                   3574:       <select name='$var.widthunit'>
1.464     albertel 3575:       $size{'width_options'}
1.144     bowersj2 3576:       </select>
                   3577:     </td>
                   3578:   </tr>
                   3579:   <tr>
1.506     albertel 3580:     <td align='right'><b>$text{'height'}</b></td>
1.464     albertel 3581:     <td align='left'><input type='text' name="$var.height" value="$size{'height'}" size='4' /></td>
1.144     bowersj2 3582:     <td align='left'>
                   3583:       <select name='$var.heightunit'>
1.464     albertel 3584:       $size{'height_options'}
1.144     bowersj2 3585:       </select>
                   3586:     </td>
                   3587:   </tr>
                   3588:   <tr>
1.506     albertel 3589:     <td align='right'><b>$text{'margin'}</b></td>
1.464     albertel 3590:     <td align='left'><input type='text' name='$var.lmargin' value="$size{'margin'}" size='4' /></td>
1.144     bowersj2 3591:     <td align='left'>
1.186     bowersj2 3592:       <select name='$var.lmarginunit'>
1.464     albertel 3593:       $size{'margin_options'}
1.144     bowersj2 3594:       </select>
                   3595:     </td>
                   3596:   </tr>
                   3597: </table>
                   3598: 
1.464     albertel 3599: <!--<p>Hint: Some instructors like to leave scratch space for the student by
                   3600: making the width much smaller than the width of the page.</p>-->
1.144     bowersj2 3601: 
                   3602: ELEMENTHTML
                   3603: 
                   3604:     return $result;
                   3605: }
                   3606: 
1.470     foxr     3607: 
1.144     bowersj2 3608: sub preprocess {
                   3609:     my $self = shift;
                   3610:     my $helper = Apache::lonhelper::getHelper();
                   3611: 
                   3612:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     3613: 
                   3614:     #  If the user does not have 'pav' privilege, set default widths and
                   3615:     #  on to the next state right away.
                   3616:     #
                   3617:     if (!$perm{'pav'}) {
                   3618: 	my $var = $self->{'variable'};
                   3619: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   3620: 	
                   3621: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3622: 	($papersize)                      = split(/ /, $papersize);
                   3623: 	
                   3624: 	
                   3625: 	if ($laystyle eq 'L') {
                   3626: 	    $laystyle = 'album';
                   3627: 	} else {
                   3628: 	    $laystyle = 'book';
                   3629: 	}
                   3630: 	#  Figure out some good defaults for the print out and set them:
                   3631: 	
                   3632: 	my %size;
                   3633: 	($size{'width'},
                   3634: 	 $size{'height'},
                   3635: 	 $size{'lmargin'})=
                   3636: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   3637: 	
                   3638: 	foreach my $dim ('width', 'height', 'lmargin') {
                   3639: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     3640: 	    	    
1.467     foxr     3641: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   3642: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   3643: 	    
                   3644: 	}
                   3645: 	
                   3646: 
                   3647: 	# Transition to the next state
                   3648: 
                   3649: 	$helper->changeState($self->{NEXTSTATE});
                   3650:     }
1.144     bowersj2 3651:    
                   3652:     return 1;
                   3653: }
                   3654: 
                   3655: sub postprocess {
                   3656:     my $self = shift;
                   3657: 
                   3658:     my $var = $self->{'variable'};
                   3659:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 3660:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   3661:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   3662:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   3663:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   3664:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   3665:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 3666: 
                   3667:     my $error = '';
                   3668: 
                   3669:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   3670:     # by an optional period, followed by digits, ending the string
                   3671: 
1.464     albertel 3672:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3673:         $error .= "Invalid width; please type only a number.<br />\n";
                   3674:     }
1.464     albertel 3675:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3676:         $error .= "Invalid height; please type only a number.<br />\n";
                   3677:     }
1.464     albertel 3678:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3679:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     3680:     } else {
                   3681: 	# Adjust for LaTeX 1.0 inch margin:
                   3682: 
                   3683: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   3684: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   3685: 	} else {
                   3686: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   3687: 	}
1.144     bowersj2 3688:     }
                   3689: 
                   3690:     if (!$error) {
                   3691:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   3692:         return 1;
                   3693:     } else {
                   3694:         $self->{ERROR_MSG} = $error;
                   3695:         return 0;
                   3696:     }
                   3697: }
                   3698: 
                   3699: 
1.119     bowersj2 3700: 
1.1       www      3701: __END__
1.6       sakharuk 3702: 

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