Annotation of loncom/interface/lonprintout.pm, revision 1.554.2.1

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.554.2.1! foxr        4: # $Id: lonprintout.pm,v 1.554 2009/06/02 12:20:14 bisitz 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;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.511     foxr       48: 
1.491     albertel   49: use LONCAPA::map();
1.34      sakharuk   50: use POSIX qw(strftime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.554.2.1! foxr       73: #  Font size:
        !            74: 
        !            75: my $font_size = 'normalsize';	# Default is normalsize...
        !            76: 
1.515     foxr       77: 
1.498     foxr       78: # Fetch the contents of a resource, uninterpreted.
                     79: # This is used here to fetch a latex file to be included
                     80: # verbatim into the printout<
                     81: # NOTE: Ask Guy if there is a lonnet function similar to this?
                     82: #
                     83: # Parameters:
                     84: #   URL of the file
                     85: #
                     86: sub fetch_raw_resource {
                     87:     my ($url) = @_;
                     88: 
                     89:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr       90:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr       91: 
1.500     foxr       92:     if ($contents == -1) {
                     93: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr       94:     }
1.500     foxr       95:     return $contents;
1.498     foxr       96: 
                     97:     
                     98: }
                     99: 
1.511     foxr      100: #  Fetch the annotations associated with a URL and 
                    101: #  put a centered 'annotations:' title.
                    102: #  This is all suppressed if the annotations are empty.
                    103: #
                    104: sub annotate {
                    105:     my ($symb) = @_;
                    106: 
                    107:     my $annotation_text = &Apache::admannotations::get_annotation($symb, 1);
                    108: 
                    109: 
                    110:     my $result = "";
                    111: 
                    112:     if (length($annotation_text) > 0) {
                    113: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    114: 	$result .= "\n";
                    115: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    116: 	$result .= "\n\n";
                    117:     }
                    118:     return $result;
                    119: }
                    120: 
1.554.2.1! foxr      121: #
        !           122: #   Set a global document font size:
        !           123: #   This is done by replacing \begin{document}
        !           124: #   with \begin{document}{\some-font-directive
        !           125: #   and \end{document} with
        !           126: #   }\end{document
        !           127: #
        !           128: sub set_font_size {
        !           129: 
        !           130:     my ($text) = @_;
        !           131: 
        !           132:     $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
        !           133:     $text =~ s/\\end{document}/}\\end{document}/;
        !           134:     return $text;
        !           135: 
        !           136: 
        !           137: }
        !           138: 
1.550     foxr      139: # include_pdf - PDF files are included into the 
                    140: # output as follows:
                    141: #  - The PDF, if necessary, is replicated.
                    142: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    143: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    144: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    145: #
                    146: # Parameters:
                    147: #   pdf_uri   - URI of the PDF file to include.
                    148: #   
                    149: # Returns:
                    150: #  The LaTeX to include.
                    151: #
                    152: # Assumptions:
                    153: #    The uri is actually a PDF file
                    154: #    The postscript will have the includepsheader.ps included.
                    155: #
                    156: #
                    157: sub include_pdf {
                    158:     my ($pdf_uri) = @_;
                    159: 
                    160:     # Where is the file? If not local we'll need to repcopy it:'
                    161: 
                    162:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    163:     if (! -e $file) {
                    164: 	&Apache::lonnet::repcopy($file);
                    165: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    166:     }
                    167: 
                    168:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    169:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    170:     # need tob e converted for this print job:
                    171: 
                    172:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    173: 
                    174:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    175:     print FILE ("$file\n");
                    176:     close (FILE);
                    177: 
                    178:     # Construct the special to put out.  To do this we need to get the
                    179:     # resulting filename after conversion.  The file will have the same name
                    180:     # but will be in the user's spool directory with converted images.
                    181: 
                    182:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    183:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    184: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    185:     $base =~ s/ /\_/g;
                    186: 
                    187: 
1.551     foxr      188:     my $output = &print_latex_header();
1.550     foxr      189:     $output    .= '\special{ps: _begin_job_ ('
                    190: 	.$base.'.pdf.eps'.
                    191: 	')run _end_job_}';
                    192: 
                    193:     return $output;
                    194: 
                    195: 
                    196: }
                    197: 
1.515     foxr      198: 
                    199: #
                    200: #   ssi_with_retries - Does the server side include of a resource.
                    201: #                      if the ssi call returns an error we'll retry it up to
                    202: #                      the number of times requested by the caller.
                    203: #                      If we still have a proble, no text is appended to the
                    204: #                      output and we set some global variables.
1.523     raeburn   205: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      206: #                      All of this is supposed to deal with the issues described
                    207: #                      in LonCAPA BZ 5631 see:
                    208: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    209: #                      by informing the user that this happened.
                    210: #
                    211: # Parameters:
                    212: #   resource   - The resource to include.  This is passed directly, without
                    213: #                interpretation to lonnet::ssi.
                    214: #   form       - The form hash parameters that guide the interpretation of the resource
                    215: #                
                    216: #   retries    - Number of retries allowed before giving up completely.
                    217: # Returns:
                    218: #   On success, returns the rendered resource identified by the resource parameter.
                    219: # Side Effects:
                    220: #   The following global variables can be set:
1.523     raeburn   221: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      222: #                               It is up to the caller to initialize this to false
                    223: #                               if desired.
1.523     raeburn   224: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      225: #                               of the resource that could not be rendered by the ssi
                    226: #                               call.
                    227: #    ssi_last_error           - The error string fetched from the ssi response
                    228: #                               in the event of an error.
                    229: #
                    230: sub ssi_with_retries {
                    231:     my ($resource, $retries, %form) = @_;
                    232: 
                    233: 
1.516     foxr      234:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    235:     if (!$response->is_success) {
1.515     foxr      236: 	$ssi_error               = 1;
                    237: 	$ssi_last_error_resource = $resource;
1.516     foxr      238: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   239:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      240: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      241:     }
1.516     foxr      242: 
                    243:     return $content;
                    244: 
1.515     foxr      245: }
                    246: 
1.524     www       247: sub get_student_view_with_retries {
                    248:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    249: 
                    250:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    251:     if (!$response->is_success) {
                    252:         $ssi_error               = 1;
1.526     www       253:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       254:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   255:         $content='\section*{!!! An error occurred !!!}';
1.526     www       256:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       257:     }
                    258:     return $content;
                    259: 
                    260: }
                    261: 
1.486     foxr      262: #
                    263: #   printf_style_subst  item format_string repl
                    264: #  
                    265: # Does printf style substitution for a format string that
                    266: # can have %[n]item in it.. wherever, %[n]item occurs,
                    267: # rep is substituted in format_string.  Note that
                    268: # [n] is an optional integer length.  If provided,
                    269: # repl is truncated to at most [n] characters prior to 
                    270: # substitution.
                    271: #
                    272: sub printf_style_subst {
                    273:     my ($item, $format_string, $repl) = @_;
1.490     foxr      274:     my $result = "";
                    275:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  276: 	my $fmt = $1;
                    277: 	my $size = $2;
1.486     foxr      278: 	my $subst = $repl;
                    279: 	if ($size ne "") {
                    280: 	    $subst = substr($subst, 0, $size);
1.490     foxr      281: 	    
                    282: 	    #  Here's a nice edge case.. supose the end of the
                    283: 	    #  substring is a \.  In that case may have  just
                    284: 	    #  chopped off a TeX escape... in that case, we append
                    285: 	    #   " " for the trailing character, and let the field 
                    286: 	    #  spill over a bit (sigh).
                    287: 	    #  We don't just chop off the last character in order to deal
                    288: 	    #  with one last pathology, and that would be if substr had
                    289: 	    #  trimmed us to e.g. \\\  
                    290: 
                    291: 
                    292: 	    if ($subst =~ /\\$/) {
                    293: 		$subst .= " ";
                    294: 	    }
1.486     foxr      295: 	}
1.490     foxr      296: 	my $item_pos = pos($format_string);
                    297: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    298:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      299:     }
1.490     foxr      300: 
                    301:     # Put the residual format string into the result:
                    302: 
                    303:     $result .= $format_string;
                    304: 
                    305:     return $result;
1.486     foxr      306: }
                    307: 
1.454     foxr      308: 
                    309: # Format a header according to a format.  
                    310: # 
                    311: 
                    312: # Substitutions:
                    313: #     %a    - Assignment name.
                    314: #     %c    - Course name.
                    315: #     %n    - Student name.
1.537     foxr      316: #     %s    - The section if it is supplied.
1.454     foxr      317: #
                    318: sub format_page_header {
1.537     foxr      319:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    320: 
1.454     foxr      321:     
1.486     foxr      322:     $width = &recalcto_mm($width); # Get width in mm.
1.454     foxr      323:     #  Default format?
                    324: 
                    325:     if ($format eq '') {
1.486     foxr      326: 	# For the default format, we may need to truncate
                    327: 	# elements..  To do this we need to get the page width.
                    328: 	# we assume that each character is about 2mm in width.
                    329: 	# (correct for the header text size??).  We ignore
                    330: 	# any formatting (e.g. boldfacing in this).
                    331: 	# 
                    332: 	# - Allow the student/course to be one line.
                    333: 	#   but only truncate the course.
                    334: 	# - Allow the assignment to be 2 lines (wrapped).
                    335: 	#
                    336: 	my $chars_per_line = $width/2; # Character/textline.
1.537     foxr      337: 	
                    338: 
                    339: 
                    340: 	my $name_length    = int($chars_per_line *3 /4);
                    341: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      342: 
1.537     foxr      343: 	$format  = "%$name_length".'n';
1.486     foxr      344: 
1.537     foxr      345: 	if ($section) {
                    346: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      347: 	}
1.489     foxr      348: 
1.537     foxr      349: 	$format .= '\\\\%c \\\\ %a';
                    350:         
1.490     foxr      351: 
1.454     foxr      352:     }
1.537     foxr      353:     # An open question is how to handle long user formatted page headers...
                    354:     # A possible future is to support e.g. %na so that the user can control
                    355:     # the truncation of the elements that can appear in the header.
                    356:     #
                    357:     $format =  &printf_style_subst("a", $format, $assignment);
                    358:     $format =  &printf_style_subst("c", $format, $course);
                    359:     $format =  &printf_style_subst("n", $format, $student);
                    360:     $format =  &printf_style_subst("s", $format, $section);
                    361:     
                    362:     
                    363:     # If the user put %'s in the format string, they  must be escaped
                    364:     # to \% else LaTeX will think they are comments and terminate
                    365:     # the line.. which is bad!!!
                    366:     
1.538     onken     367:     # If the user has role author, $course and $assignment are empty so
                    368:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    369:     if($format =~ /\\\\\s\\\\\s/) {
                    370:         #TODO find sensible caption for page header
                    371:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    372:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    373:     }
1.454     foxr      374:     
                    375: 
                    376:     return $format;
                    377:     
                    378: }
1.397     albertel  379: 
1.385     foxr      380: #
                    381: #   Convert a numeric code to letters
                    382: #
                    383: sub num_to_letters {
                    384:     my ($num) = @_;
                    385:     my @nums= split('',$num);
                    386:     my @num_to_let=('A'..'Z');
                    387:     my $word;
                    388:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    389:     return $word;
                    390: }
                    391: #   Convert a letter code to numeric.
                    392: #
                    393: sub letters_to_num {
                    394:     my ($letters) = @_;
                    395:     my @letters = split('', uc($letters));
1.490     foxr      396:    my %substitution;
1.385     foxr      397:     my $digit = 0;
                    398:     foreach my $letter ('A'..'J') {
                    399: 	$substitution{$letter} = $digit;
                    400: 	$digit++;
                    401:     }
                    402:     #  The substitution is done as below to preserve leading
                    403:     #  zeroes which are needed to keep the code size exact
                    404:     #
                    405:     my $result ="";
                    406:     foreach my $letter (@letters) {
                    407: 	$result.=$substitution{$letter};
                    408:     }
                    409:     return $result;
                    410: }
                    411: 
1.383     foxr      412: #  Determine if a code is a valid numeric code.  Valid
                    413: #  numeric codes must be comprised entirely of digits and
1.384     albertel  414: #  have a correct number of digits.
1.383     foxr      415: #
                    416: #  Parameters:
                    417: #     value      - proposed code value.
1.384     albertel  418: #     num_digits - Number of digits required.
1.383     foxr      419: #
                    420: sub is_valid_numeric_code {
1.384     albertel  421:     my ($value, $num_digits) = @_;
1.383     foxr      422:     #   Remove leading/trailing whitespace;
1.387     foxr      423:     $value =~ s/^\s*//g;
                    424:     $value =~ s/\s*$//g;
1.383     foxr      425:     
                    426:     #  All digits?
1.387     foxr      427:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      428: 	return "Numeric code $value has invalid characters - must only be digits";
                    429:     }
1.384     albertel  430:     if (length($value) != $num_digits) {
                    431: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    432:     }
1.385     foxr      433:     return undef;
1.383     foxr      434: }
                    435: #   Determines if a code is a valid alhpa code.  Alpha codes
                    436: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  437: #   They also have a correct digit count.
1.383     foxr      438: # Parameters:
                    439: #     value          - Proposed code value.
1.384     albertel  440: #     num_letters    - correct number of letters.
1.383     foxr      441: # Note:
                    442: #    leading and trailing whitespace are ignored.
                    443: #
                    444: sub is_valid_alpha_code {
1.384     albertel  445:     my ($value, $num_letters) = @_;
1.383     foxr      446:     
                    447:      # strip leading and trailing spaces.
                    448: 
                    449:     $value =~ s/^\s*//g;
                    450:     $value =~ s/\s*$//g;
                    451: 
                    452:     #  All alphas in the right range?
1.384     albertel  453:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      454: 	return "Invalid letter code $value must only contain A-J";
                    455:     }
1.384     albertel  456:     if (length($value) != $num_letters) {
                    457: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    458:     }
1.385     foxr      459:     return undef;
1.383     foxr      460: }
                    461: 
1.382     foxr      462: #   Determine if a code entered by the user in a helper is valid.
                    463: #   valid depends on the code type and the type of code selected.
                    464: #   The type of code selected can either be numeric or 
                    465: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    466: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    467: #   We'll be nice and be case insensitive for alpha codes.
                    468: # Parameters:
                    469: #    code_value    - the value of the code the user typed in.
                    470: #    code_option   - The code type selected from the set in the scantron format
                    471: #                    table.
                    472: # Returns:
                    473: #    undef         - The code is valid.
                    474: #    other         - An error message indicating what's wrong.
                    475: #
                    476: sub is_code_valid {
                    477:     my ($code_value, $code_option) = @_;
1.383     foxr      478:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   479:     my @lines = &Apache::grades::get_scantronformat_file();
                    480:     foreach my $line (@lines) {
1.383     foxr      481: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    482: 	if($name eq $code_option) {
                    483: 	    $code_length = $length;
                    484: 	    if($type eq 'number') {
                    485: 		$code_type = 'number';
                    486: 	    }
                    487: 	}
                    488:     }
                    489:     my $valid;
                    490:     if ($code_type eq 'number') {
1.385     foxr      491: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      492:     } else {
1.385     foxr      493: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      494:     }
1.382     foxr      495: 
                    496: }
                    497: 
1.341     foxr      498: #   Compare two students by name.  The students are in the form
                    499: #   returned by the helper:
                    500: #      user:domain:section:last,   first:status
                    501: #   This is a helper function for the perl sort built-in  therefore:
                    502: # Implicit Inputs:
                    503: #    $a     - The first element to compare (global)
                    504: #    $b     - The second element to compare (global)
                    505: # Returns:
                    506: #   -1   - $a < $b
                    507: #    0   - $a == $b
                    508: #   +1   - $a > $b
                    509: #   Note that the initial comparison is done on the last names with the
                    510: #   first names only used to break the tie.
                    511: #
                    512: #
                    513: sub compare_names {
                    514:     #  First split the names up into the primary fields.
                    515: 
                    516:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    517:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    518: 
                    519:     # Now split the last name and first name of each n:
                    520:     #
                    521: 
                    522:     my ($l1,$f1) = split(/,/, $n1);
                    523:     my ($l2,$f2) = split(/,/, $n2);
                    524: 
                    525:     # We don't bother to remove the leading/trailing whitespace from the
                    526:     # firstname, unless the last names compare identical.
                    527: 
                    528:     if($l1 lt $l2) {
                    529: 	return -1;
                    530:     }
                    531:     if($l1 gt $l2) {
                    532: 	return  1;
                    533:     }
                    534: 
                    535:     # Break the tie on the first name, but there are leading (possibly trailing
                    536:     # whitespaces to get rid of first 
                    537:     #
                    538:     $f1 =~ s/^\s+//;		# Remove leading...
                    539:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    540:     
                    541:     $f2 =~ s/^\s+//;
                    542:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    543: 
                    544:     if($f1 lt $f2) {
                    545: 	return -1;
                    546:     }
                    547:     if($f1 gt $f2) {
                    548: 	return 1;
                    549:     }
                    550:     
                    551:     #  Must be the same name.
                    552: 
                    553:     return 0;
                    554: }
                    555: 
1.71      sakharuk  556: sub latex_header_footer_remove {
                    557:     my $text = shift;
                    558:     $text =~ s/\\end{document}//;
                    559:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    560:     return $text;
                    561: }
1.423     foxr      562: #
                    563: #  If necessary, encapsulate text inside 
                    564: #  a minipage env.
                    565: #  necessity is determined by the problem_split param.
                    566: #
                    567: sub encapsulate_minipage {
                    568:     my ($text) = @_;
1.427     albertel  569:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      570: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    571:     }
                    572:     return $text;
                    573: }
1.429     foxr      574: #
                    575: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    576: #  variables interact, this sub looks at these two parameters
                    577: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    578: #     all     - if SPLIT_PDFS eq 'all'.
                    579: #     1       - if SPLIT_PDFS eq 'oneper'
                    580: #     section - if SPLIT_PDFS eq 'sections'
                    581: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    582: #
                    583: sub adjust_number_to_print {
                    584:     my $helper = shift;
1.71      sakharuk  585: 
1.429     foxr      586:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    587:     
                    588:     if ($split_pdf eq 'all') {
                    589: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    590:     } elsif ($split_pdf eq 'oneper') {
                    591: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    592:     } elsif ($split_pdf eq 'sections') {
                    593: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    594:     } elsif ($split_pdf eq 'usenumber') {
                    595: 	#  Unmodified.
                    596:     } else {
                    597: 	# Error!!!!
1.536     foxr      598: 	
                    599: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      600: 
                    601:     }
                    602: }
1.71      sakharuk  603: 
1.531     foxr      604: 
1.37      sakharuk  605: sub character_chart {
1.531     foxr      606:     my $result = shift;
                    607:     return  &Apache::entities::replace_entities($result);
                    608: }
                    609: 
                    610: sub old_character_chart {
1.37      sakharuk  611:     my $result = shift;	
1.116     sakharuk  612:     $result =~ s/&\#0?0?(7|9);//g;
                    613:     $result =~ s/&\#0?(10|13);//g;
                    614:     $result =~ s/&\#0?32;/ /g;
                    615:     $result =~ s/&\#0?33;/!/g;
                    616:     $result =~ s/&(\#0?34|quot);/\"/g;
                    617:     $result =~ s/&\#0?35;/\\\#/g;
                    618:     $result =~ s/&\#0?36;/\\\$/g;
                    619:     $result =~ s/&\#0?37;/\\%/g; 
                    620:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    621:     $result =~ s/&\#(0?39|146);/\'/g;
                    622:     $result =~ s/&\#0?40;/(/g;
                    623:     $result =~ s/&\#0?41;/)/g;
                    624:     $result =~ s/&\#0?42;/\*/g;
                    625:     $result =~ s/&\#0?43;/\+/g;
                    626:     $result =~ s/&\#(0?44|130);/,/g;
                    627:     $result =~ s/&\#0?45;/-/g;
                    628:     $result =~ s/&\#0?46;/\./g;
                    629:     $result =~ s/&\#0?47;/\//g;
                    630:     $result =~ s/&\#0?48;/0/g;
                    631:     $result =~ s/&\#0?49;/1/g;
                    632:     $result =~ s/&\#0?50;/2/g;
                    633:     $result =~ s/&\#0?51;/3/g;
                    634:     $result =~ s/&\#0?52;/4/g;
                    635:     $result =~ s/&\#0?53;/5/g;
                    636:     $result =~ s/&\#0?54;/6/g;
                    637:     $result =~ s/&\#0?55;/7/g;
                    638:     $result =~ s/&\#0?56;/8/g;
                    639:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  640:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  641:     $result =~ s/&\#0?59;/;/g;
                    642:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  643:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    644:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  645:     $result =~ s/&\#0?63;/\?/g;
                    646:     $result =~ s/&\#0?65;/A/g;
                    647:     $result =~ s/&\#0?66;/B/g;
                    648:     $result =~ s/&\#0?67;/C/g;
                    649:     $result =~ s/&\#0?68;/D/g;
                    650:     $result =~ s/&\#0?69;/E/g;
                    651:     $result =~ s/&\#0?70;/F/g;
                    652:     $result =~ s/&\#0?71;/G/g;
                    653:     $result =~ s/&\#0?72;/H/g;
                    654:     $result =~ s/&\#0?73;/I/g;
                    655:     $result =~ s/&\#0?74;/J/g;
                    656:     $result =~ s/&\#0?75;/K/g;
                    657:     $result =~ s/&\#0?76;/L/g;
                    658:     $result =~ s/&\#0?77;/M/g;
                    659:     $result =~ s/&\#0?78;/N/g;
                    660:     $result =~ s/&\#0?79;/O/g;
                    661:     $result =~ s/&\#0?80;/P/g;
                    662:     $result =~ s/&\#0?81;/Q/g;
                    663:     $result =~ s/&\#0?82;/R/g;
                    664:     $result =~ s/&\#0?83;/S/g;
                    665:     $result =~ s/&\#0?84;/T/g;
                    666:     $result =~ s/&\#0?85;/U/g;
                    667:     $result =~ s/&\#0?86;/V/g;
                    668:     $result =~ s/&\#0?87;/W/g;
                    669:     $result =~ s/&\#0?88;/X/g;
                    670:     $result =~ s/&\#0?89;/Y/g;
                    671:     $result =~ s/&\#0?90;/Z/g;
                    672:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  673:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  674:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  675:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  676:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    677:     $result =~ s/&\#(0?96|145);/\`/g;
                    678:     $result =~ s/&\#0?97;/a/g;
                    679:     $result =~ s/&\#0?98;/b/g;
                    680:     $result =~ s/&\#0?99;/c/g;
                    681:     $result =~ s/&\#100;/d/g;
                    682:     $result =~ s/&\#101;/e/g;
                    683:     $result =~ s/&\#102;/f/g;
                    684:     $result =~ s/&\#103;/g/g;
                    685:     $result =~ s/&\#104;/h/g;
                    686:     $result =~ s/&\#105;/i/g;
                    687:     $result =~ s/&\#106;/j/g;
                    688:     $result =~ s/&\#107;/k/g;
                    689:     $result =~ s/&\#108;/l/g;
                    690:     $result =~ s/&\#109;/m/g;
                    691:     $result =~ s/&\#110;/n/g;
                    692:     $result =~ s/&\#111;/o/g;
                    693:     $result =~ s/&\#112;/p/g;
                    694:     $result =~ s/&\#113;/q/g;
                    695:     $result =~ s/&\#114;/r/g;
                    696:     $result =~ s/&\#115;/s/g;
                    697:     $result =~ s/&\#116;/t/g;
                    698:     $result =~ s/&\#117;/u/g;
                    699:     $result =~ s/&\#118;/v/g;
                    700:     $result =~ s/&\#119;/w/g;
                    701:     $result =~ s/&\#120;/x/g;
                    702:     $result =~ s/&\#121;/y/g;
                    703:     $result =~ s/&\#122;/z/g;
                    704:     $result =~ s/&\#123;/\\{/g;
                    705:     $result =~ s/&\#124;/\|/g;
                    706:     $result =~ s/&\#125;/\\}/g;
                    707:     $result =~ s/&\#126;/\~/g;
                    708:     $result =~ s/&\#131;/\\textflorin /g;
                    709:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  710:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    711:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    712:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  713:     $result =~ s/&\#137;/\\textperthousand /g;
                    714:     $result =~ s/&\#140;/{\\OE}/g;
                    715:     $result =~ s/&\#147;/\`\`/g;
                    716:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  717:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  718:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  719:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  720:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  721:     $result =~ s/&\#153;/\\texttrademark /g;
                    722:     $result =~ s/&\#156;/\\oe/g;
                    723:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  724:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  725:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    726:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    727:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    728:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    729:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    730:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    731:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      732:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  733:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    734:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  735:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  736:     $result =~ s/&(\#173|shy);/ - /g;
                    737:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  738:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    739:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    740:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    741:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    742:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      743:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  744:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  745:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  746:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  747:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  748:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  749:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    750:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    751:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    752:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    753:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    754:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    755:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    756:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    757:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    758:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    759:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    760:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    761:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    762:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    763:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    764:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    765:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    766:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    767:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    768:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    769:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    770:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    771:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    772:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    773:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    774:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    775:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  776:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  777:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    778:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    779:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    780:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    781:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    782:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  783:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  784:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    785:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    786:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    787:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    788:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    789:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    790:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    791:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    792:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    793:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    794:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    795:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    796:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    797:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    798:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    799:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  800:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  801:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    802:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    803:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    804:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    805:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    806:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  807:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  808:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    809:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    810:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    811:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    812:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    813:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    814:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  815:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  816:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  817: #Greek Alphabet
1.281     sakharuk  818:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    819:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    820:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    821:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    822:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    823:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    824:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    825:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    826:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    827:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    828:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    829:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                    830:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                    831:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk  832:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk  833:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                    834:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                    835:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                    836:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                    837:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                    838:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                    839:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                    840:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                    841:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                    842:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                    843:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk  844:     $result =~ s/&(Alpha|\#913);/A/g;
                    845:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk  846:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                    847:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk  848:     $result =~ s/&(Epsilon|\#917);/E/g;
                    849:     $result =~ s/&(Zeta|\#918);/Z/g;
                    850:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk  851:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk  852:     $result =~ s/&(Iota|\#921);/I/g;
                    853:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk  854:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk  855:     $result =~ s/&(Mu|\#924);/M/g;
                    856:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk  857:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk  858:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk  859:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk  860:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk  861:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk  862:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk  863:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                    864:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk  865:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk  866:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                    867:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk  868: #Arrows (extended HTML 4.01)
1.281     sakharuk  869:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                    870:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                    871:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                    872:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                    873:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                    874:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                    875:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                    876:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                    877:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                    878:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk  879: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk  880:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                    881:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                    882:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                    883:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                    884:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                    885:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                    886:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                    887:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                    888:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                    889:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                    890:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel  891:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk  892:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                    893:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                    894:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                    895:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                    896:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                    897:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                    898:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                    899:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                    900:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                    901:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                    902:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                    903:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                    904:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                    905:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                    906:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                    907:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                    908:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                    909:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                    910:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                    911:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                    912:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                    913:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                    914:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                    915:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                    916:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                    917:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk  918: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk  919:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk  920: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk  921:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                    922:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                    923:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                    924:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr      925: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr      926: 
1.495     foxr      927:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                    928:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                    929:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                    930:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                    931:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                    932:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                    933:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                    934:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                    935:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                    936:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                    937:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                    938:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                    939:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr      940: 
                    941:     # Left/right quotations:
                    942: 
                    943:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                    944:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                    945: 
                    946: 
1.37      sakharuk  947:     return $result;
                    948: }
1.41      sakharuk  949: 
                    950: 
1.327     albertel  951:                   #width, height, oddsidemargin, evensidemargin, topmargin
                    952: my %page_formats=
                    953:     ('letter' => {
                    954: 	 'book' => {
1.493     foxr      955: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                    956: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel  957: 	 },
                    958: 	 'album' => {
1.496     foxr      959: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel  960: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel  961: 	 },
                    962:      },
                    963:      'legal' => {
                    964: 	 'book' => {
                    965: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr      966: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  967: 	 },
                    968: 	 'album' => {
1.376     albertel  969: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                    970:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel  971:           },
                    972:      },
                    973:      'tabloid' => {
                    974: 	 'book' => {
                    975: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                    976: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                    977: 	 },
                    978: 	 'album' => {
1.376     albertel  979: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                    980: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel  981:           },
                    982:      },
                    983:      'executive' => {
                    984: 	 'book' => {
                    985: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                    986: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                    987: 	 },
                    988: 	 'album' => {
                    989: 	     '1' => [],
                    990: 	     '2' => []
                    991:           },
                    992:      },
                    993:      'a2' => {
                    994: 	 'book' => {
                    995: 	     '1' => [],
                    996: 	     '2' => []
                    997: 	 },
                    998: 	 'album' => {
                    999: 	     '1' => [],
                   1000: 	     '2' => []
                   1001:           },
                   1002:      },
                   1003:      'a3' => {
                   1004: 	 'book' => {
                   1005: 	     '1' => [],
                   1006: 	     '2' => []
                   1007: 	 },
                   1008: 	 'album' => {
                   1009: 	     '1' => [],
                   1010: 	     '2' => []
                   1011:           },
                   1012:      },
                   1013:      'a4' => {
                   1014: 	 'book' => {
1.493     foxr     1015: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1016: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1017: 	 },
                   1018: 	 'album' => {
1.496     foxr     1019: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1020: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1021: 	 },
                   1022:      },
                   1023:      'a5' => {
                   1024: 	 'book' => {
                   1025: 	     '1' => [],
                   1026: 	     '2' => []
                   1027: 	 },
                   1028: 	 'album' => {
                   1029: 	     '1' => [],
                   1030: 	     '2' => []
                   1031:           },
                   1032:      },
                   1033:      'a6' => {
                   1034: 	 'book' => {
                   1035: 	     '1' => [],
                   1036: 	     '2' => []
                   1037: 	 },
                   1038: 	 'album' => {
                   1039: 	     '1' => [],
                   1040: 	     '2' => []
                   1041:           },
                   1042:      },
                   1043:      );
                   1044: 
1.177     sakharuk 1045: sub page_format {
1.140     sakharuk 1046: #
1.326     sakharuk 1047: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1048: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1049: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1050: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1051: #                        "A6 [105x148 mm]"
1.140     sakharuk 1052: # 
                   1053:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1054:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1055: }
1.76      sakharuk 1056: 
                   1057: 
1.126     albertel 1058: sub get_name {
                   1059:     my ($uname,$udom)=@_;
1.373     albertel 1060:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1061:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1062:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1063:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1064:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1065:     return $plainname;
1.126     albertel 1066: }
                   1067: 
1.213     albertel 1068: sub get_course {
                   1069:     my $courseidinfo;
1.373     albertel 1070:     if (defined($env{'request.course.id'})) {
1.439     www      1071: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1072: 	my $sec = $env{'request.course.sec'};
                   1073: 	    
1.213     albertel 1074:     }
                   1075:     return $courseidinfo;
                   1076: }
1.177     sakharuk 1077: 
1.76      sakharuk 1078: sub page_format_transformation {
1.312     sakharuk 1079:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1080:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1081: 
1.312     sakharuk 1082:     if ($selectionmade eq '4') {
1.502     foxr     1083: 	if ($choice eq 'all_problems') {
                   1084: 	    $assignment='Problems from the Whole Course';
                   1085: 	} else {
                   1086: 	    $assignment='Resources from the Whole Course';
                   1087: 	}
1.312     sakharuk 1088:     } else {
                   1089: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1090:     }
1.261     sakharuk 1091:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1092: 
                   1093: 
1.126     albertel 1094:     my $name = &get_name();
1.213     albertel 1095:     my $courseidinfo = &get_course();
1.455     albertel 1096:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1097:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1098: 					   $courseidinfo, $name);
1.319     sakharuk 1099:     my $topmargintoinsert = '';
                   1100:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1101:     my $fancypagestatement='';
                   1102:     if ($numberofcolumns eq '2') {
1.455     albertel 1103: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1104:     } else {
1.455     albertel 1105: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1106:     }
1.140     sakharuk 1107:     if ($layout eq 'album') {
1.550     foxr     1108: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1109:     } elsif ($layout eq 'book') {
                   1110: 	if ($choice ne 'All class print') { 
1.550     foxr     1111: 	    $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\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk 1112: 	} else {
1.550     foxr     1113: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1114: 	}
1.326     sakharuk 1115: 	if ($papersize eq 'a4') {
1.319     sakharuk 1116: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk 1117: 	}
                   1118:     }
1.214     sakharuk 1119:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1120:     if ($indexlist eq 'yes') {
                   1121: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1122: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1123:     }
1.140     sakharuk 1124:     return $text;
                   1125: }
                   1126: 
                   1127: 
1.33      sakharuk 1128: sub page_cleanup {
                   1129:     my $result = shift;	
1.65      sakharuk 1130:  
                   1131:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1132:     my $number_of_columns = $1;
1.33      sakharuk 1133:     my $insert = '{';
1.34      sakharuk 1134:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1135:     $insert .= '}';
1.65      sakharuk 1136:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1137:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1138:     return $result,$number_of_columns;
1.7       sakharuk 1139: }
1.5       sakharuk 1140: 
1.3       sakharuk 1141: 
1.60      sakharuk 1142: sub details_for_menu {
1.335     albertel 1143:     my ($helper)=@_;
1.373     albertel 1144:     my $postdata=$env{'form.postdata'};
1.335     albertel 1145:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1146:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1147:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1148:     return if ( $symbolic eq '');
                   1149: 
1.233     www      1150:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1151:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1152:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1153:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1154: 	$map =~ m|([^/]+)$|;
                   1155: 	$name_of_sequence = $1;
1.63      albertel 1156:     }
1.373     albertel 1157:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1158:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1159: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1160: 	$name_of_map = $1;
                   1161:     }
1.335     albertel 1162:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1163: }
                   1164: 
1.476     albertel 1165: sub copyright_line {
                   1166:     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 } ';
                   1167: }
                   1168: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1169: 
                   1170: sub latex_corrections {
1.408     albertel 1171:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1172: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1173:     my $copyright = &copyright_line();
1.408     albertel 1174:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1175: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1176:     } else {
1.476     albertel 1177: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1178:     }
1.476     albertel 1179:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1180:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1181:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1182: #-- LaTeX corrections     
                   1183:     my $first_comment = index($result,'<!--',0);
                   1184:     while ($first_comment != -1) {
                   1185: 	my $end_comment = index($result,'-->',$first_comment);
                   1186: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1187: 	$first_comment = index($result,'<!--',$first_comment);
                   1188:     }
                   1189:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1190:     #removes more than one empty space
                   1191:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1192:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1193:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1194:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1195:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1196:     #conversion of html characters to LaTeX equivalents
                   1197:     if ($result =~ m/&(\w+|#\d+);/) {
                   1198: 	$result = &character_chart($result);
                   1199:     }
                   1200:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1201:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1202:     return $result;
1.60      sakharuk 1203: }
                   1204: 
1.3       sakharuk 1205: 
1.214     sakharuk 1206: sub index_table {
                   1207:     my $currentURL = shift;
                   1208:     my $insex_string='';
                   1209:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1210:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1211:     return $insex_string;
                   1212: }
                   1213: 
                   1214: 
1.215     sakharuk 1215: sub IndexCreation {
                   1216:     my ($texversion,$currentURL)=@_;
                   1217:     my @key_words=split(/,/,&index_table($currentURL));
                   1218:     my $chunk='';
                   1219:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1220:     if ($st>0) {
                   1221: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1222: 	$chunk=substr($texversion,0,$st+1);
                   1223: 	substr($texversion,0,$st+1)=' ';
                   1224:     }
                   1225:     foreach my $key_word (@key_words) {
                   1226: 	if ($key_word=~/\S+/) {
                   1227: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1228: 	}
                   1229:     }			
                   1230:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1231:     return $texversion;
                   1232: }
                   1233: 
1.242     sakharuk 1234: sub print_latex_header {
                   1235:     my $mode=shift;
1.550     foxr     1236: 
                   1237:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1238: }
                   1239: 
                   1240: sub path_to_problem {
1.328     albertel 1241:     my ($urlp,$colwidth)=@_;
1.404     albertel 1242:     $urlp=&Apache::lonnet::clutter($urlp);
                   1243: 
1.242     sakharuk 1244:     my $newurlp = '';
1.328     albertel 1245:     $colwidth=~s/\s*mm\s*$//;
                   1246: #characters average about 2 mm in width
1.360     albertel 1247:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1248: 	my @elements = split('/',$urlp);
1.328     albertel 1249: 	my $curlength=0;
                   1250: 	foreach my $element (@elements) {
1.404     albertel 1251: 	    if ($element eq '') { next; }
1.328     albertel 1252: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1253: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1254: 		$curlength=length($element)*2;
1.328     albertel 1255: 	    } else {
                   1256: 		$curlength+=length($element)*2;
1.242     sakharuk 1257: 	    }
1.328     albertel 1258: 	    $newurlp.='/'.$element;
1.242     sakharuk 1259: 	}
1.253     sakharuk 1260:     } else {
                   1261: 	$newurlp=$urlp;
1.242     sakharuk 1262:     }
                   1263:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1264: }
1.215     sakharuk 1265: 
1.275     sakharuk 1266: sub recalcto_mm {
                   1267:     my $textwidth=shift;
                   1268:     my $LaTeXwidth;
1.339     albertel 1269:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1270: 	$LaTeXwidth = $1*10;
1.339     albertel 1271:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1272: 	$LaTeXwidth = $1;
1.339     albertel 1273:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1274: 	$LaTeXwidth = $1*25.4;
                   1275:     }
                   1276:     $LaTeXwidth.=' mm';
                   1277:     return $LaTeXwidth;
                   1278: }
                   1279: 
1.285     albertel 1280: sub get_textwidth {
                   1281:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1282:     my $textwidth=$LaTeXwidth;
1.285     albertel 1283:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1284: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1285: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1286: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1287:     }
1.286     albertel 1288:     return $textwidth;
1.285     albertel 1289: }
                   1290: 
1.296     sakharuk 1291: 
                   1292: sub unsupported {
1.414     albertel 1293:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1294:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1295:     my $result.= &print_latex_header($mode);
1.414     albertel 1296:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1297: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1298: 	my $title=&Apache::lonnet::gettitle($symb);
                   1299: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1300: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1301:     } else {
                   1302: 	$result.=$currentURL;
                   1303:     }
1.419     albertel 1304:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1305:     return $result;
                   1306: }
                   1307: 
                   1308: 
1.363     foxr     1309: #
1.395     www      1310: # List of recently generated print files
                   1311: #
                   1312: sub recently_generated {
                   1313:     my $r=shift;
                   1314:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1315:     my $zip_result;
                   1316:     my $pdf_result;
1.395     www      1317:     opendir(DIR,$prtspool);
1.400     albertel 1318: 
                   1319:     my @files = 
                   1320: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1321:     closedir(DIR);
1.400     albertel 1322: 
                   1323:     @files = sort {
                   1324: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1325: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1326: 	return $bctime <=> $actime;
                   1327:     } (@files);
                   1328: 
                   1329:     foreach my $filename (@files) {
                   1330: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1331: 	my ($cdev,$cino,$cmode,$cnlink,
                   1332: 	    $cuid,$cgid,$crdev,$csize,
                   1333: 	    $catime,$cmtime,$cctime,
                   1334: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1335:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1336: 	my $result=&Apache::loncommon::start_data_table_row()
                   1337:                   .'<td>'
                   1338:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1339:                   .'</td>'
                   1340:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1341:                   .'<td align="right">'.$csize.'</td>'
                   1342:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1343: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1344: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1345:     }
1.544     bisitz   1346:     if ($zip_result || $pdf_result) {
                   1347:         $r->print('<hr />');
                   1348:     }
1.400     albertel 1349:     if ($zip_result) {
1.544     bisitz   1350: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1351:                   .&Apache::loncommon::start_data_table()
                   1352:                   .&Apache::loncommon::start_data_table_header_row()
                   1353:                   .'<th>'.&mt('Download').'</th>'
                   1354:                   .'<th>'.&mt('Creation Date').'</th>'
                   1355:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1356:                   .&Apache::loncommon::end_data_table_header_row()
                   1357:                   .$zip_result
                   1358:                   .&Apache::loncommon::end_data_table()
                   1359:         );
1.400     albertel 1360:     }
                   1361:     if ($pdf_result) {
1.544     bisitz   1362: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1363:                   .&Apache::loncommon::start_data_table()
                   1364:                   .&Apache::loncommon::start_data_table_header_row()
                   1365:                   .'<th>'.&mt('Download').'</th>'
                   1366:                   .'<th>'.&mt('Creation Date').'</th>'
                   1367:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1368:                   .&Apache::loncommon::end_data_table_header_row()
                   1369:                   .$pdf_result
                   1370:                   .&Apache::loncommon::end_data_table()
                   1371:         );
1.396     albertel 1372:     }
1.395     www      1373: }
                   1374: 
                   1375: #
1.363     foxr     1376: #   Retrieve the hash of page breaks.
                   1377: #
                   1378: #  Inputs:
                   1379: #    helper   - reference to helper object.
                   1380: #  Outputs
                   1381: #    A reference to a page break hash.
                   1382: #
                   1383: #
1.418     foxr     1384: #use Data::Dumper;
                   1385: #sub dump_helper_vars {
                   1386: #    my ($helper) = @_;
                   1387: #    my $helpervars = Dumper($helper->{'VARS'});
                   1388: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1389: #}
1.363     foxr     1390: 
1.481     albertel 1391: sub get_page_breaks  {
                   1392:     my ($helper) = @_;
                   1393:     my %page_breaks;
                   1394: 
                   1395:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1396: 	$page_breaks{$break} = 1;
                   1397:     }
                   1398:     return %page_breaks;
                   1399: }
1.363     foxr     1400: 
1.459     foxr     1401: #  Output a sequence (recursively if neeed)
                   1402: #  from construction space.
                   1403: # Parameters:
                   1404: #    url     = URL of the sequence to print.
                   1405: #    helper  - Reference to the helper hash.
                   1406: #    form    - Copy of the format hash.
                   1407: #    LaTeXWidth
                   1408: # Returns:
                   1409: #   Text to add to the printout.
                   1410: #   NOTE if the first element of the outermost sequence
                   1411: #   is itself a sequence, the outermost caller may need to
                   1412: #   prefix the latex with the page headers stuff.
                   1413: #
                   1414: sub print_construction_sequence {
                   1415:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1416:     my $result;
                   1417:     my $rndseed=time;
                   1418:     if ($helper->{'VARS'}->{'curseed'}) {
                   1419: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1420:     }
1.491     albertel 1421:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1422:     # 
                   1423:     #  These make this all support recursing for subsequences.
                   1424:     #
1.491     albertel 1425:     my @order    = @LONCAPA::map::order;
                   1426:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1427:     for (my $member=0;$member<=$#order;$member++) {
                   1428: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1429: 	my $urlp=$2;
                   1430: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1431: 	    my $texversion='';
                   1432: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1433: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1434: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1435: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1436: 		$form{'rndseed'}=$rndseed;
                   1437: 		$resources_printed .=$urlp.':';
1.515     foxr     1438: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1439: 	    }
                   1440: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1441: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1442: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1443: 		#  Don't permanently modify %$form...
                   1444: 		my %answerform = %form;
                   1445: 		$answerform{'grade_target'}='answer';
                   1446: 		$answerform{'answer_output_mode'}='tex';
                   1447: 		$answerform{'rndseed'}=$rndseed;
                   1448: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1449: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1450: 		$resources_printed .= $urlp.':';
1.515     foxr     1451: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1452: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1453: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1454: 		} else {
                   1455: 		    # If necessary, encapsulate answer in minipage:
                   1456: 		    
                   1457: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1458: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1459: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1460: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1461: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1462: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1463: 		    $body = &encapsulate_minipage($body);
                   1464: 		    $texversion.=$body;
                   1465: 		}
                   1466: 	    }
                   1467: 	    $texversion = &latex_header_footer_remove($texversion);
                   1468: 
                   1469: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1470: 		$texversion=&IndexCreation($texversion,$urlp);
                   1471: 	    }
                   1472: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1473: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1474: 	    }
                   1475: 	    $result.=$texversion;
                   1476: 
                   1477: 	} elsif ($urlp=~/\.(sequence|page)$/) {
                   1478: 	    
                   1479: 	    # header:
                   1480: 
                   1481: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1482: 
                   1483: 	    # IF sequence, recurse:
                   1484: 	    
                   1485: 	    if ($urlp =~ /\.sequence$/) {
                   1486: 		my $sequence_url = $urlp;
                   1487: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1488: 		my $user         = $env{'user.name'};
                   1489: 
                   1490: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1491: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1492: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1493: 		$result .= &print_construction_sequence($sequence_url, 
                   1494: 							$helper, %form, 
                   1495: 							$LaTeXwidth);
                   1496: 	    }
1.550     foxr     1497: 	}
                   1498: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1499: 	    my $texversion;
                   1500: 	    if ($member != 0) {
                   1501: 		$texversion .= '\cleardoublepage';
                   1502: 	    }
                   1503: 
                   1504: 	    $texversion .= &include_pdf($urlp);
                   1505: 	    $texversion = &latex_header_footer_remove($texversion);
                   1506: 	    if ($member != $#order) {
                   1507: 		$texversion .= '\\ \cleardoublepage';
                   1508: 	    }
1.551     foxr     1509: 	    
                   1510: 	    $result .= $texversion;
1.550     foxr     1511: 	}
1.459     foxr     1512:     }
                   1513:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1514:     return $result;
                   1515: }
                   1516: 
1.177     sakharuk 1517: sub output_data {
1.184     sakharuk 1518:     my ($r,$helper,$rparmhash) = @_;
                   1519:     my %parmhash = %$rparmhash;
1.515     foxr     1520:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1521:     $resources_printed = '';
1.499     foxr     1522:     my $do_postprocessing = 1;
1.433     albertel 1523:     my $js = <<ENDPART;
                   1524: <script type="text/javascript">
1.264     sakharuk 1525:     var editbrowser;
                   1526:     function openbrowser(formname,elementname,only,omit) {
                   1527:         var url = '/res/?';
                   1528:         if (editbrowser == null) {
                   1529:             url += 'launch=1&';
                   1530:         }
                   1531:         url += 'catalogmode=interactive&';
                   1532:         url += 'mode=parmset&';
                   1533:         url += 'form=' + formname + '&';
                   1534:         if (only != null) {
                   1535:             url += 'only=' + only + '&';
                   1536:         } 
                   1537:         if (omit != null) {
                   1538:             url += 'omit=' + omit + '&';
                   1539:         }
                   1540:         url += 'element=' + elementname + '';
                   1541:         var title = 'Browser';
                   1542:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1543:         options += ',width=700,height=600';
                   1544:         editbrowser = open(url,title,options,'1');
                   1545:         editbrowser.focus();
                   1546:     }
                   1547: </script>
1.140     sakharuk 1548: ENDPART
                   1549: 
1.512     foxr     1550: 
                   1551: 
1.433     albertel 1552:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',$js);
                   1553:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1554: 
1.433     albertel 1555:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1556: 
1.363     foxr     1557:     # fetch the pagebreaks and store them in the course environment
                   1558:     # The page breaks will be pulled into the hash %page_breaks which is
                   1559:     # indexed by symb and contains 1's for each break.
                   1560: 
1.373     albertel 1561:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1562:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1563:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1564: 					      {'pagebreaks'    => 'scalar',
                   1565: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1566: 
1.364     albertel 1567:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1568: 
1.140     sakharuk 1569:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1570:     my ($result,$selectionmade) = ('','');
                   1571:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1572:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    1573:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.140     sakharuk 1574:     if ($laystyle eq 'L') {
                   1575: 	$laystyle='album';
                   1576:     } else {
                   1577: 	$laystyle='book';
                   1578:     }
1.177     sakharuk 1579:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1580:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1581:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1582:     my @print_array=();
1.274     sakharuk 1583:     my @student_names=();
1.360     albertel 1584: 
1.512     foxr     1585:      
1.360     albertel 1586:     #  Common settings for the %form has:
                   1587:     # In some cases these settings get overriddent by specific cases, but the
                   1588:     # settings are common enough to make it worthwhile factoring them out
                   1589:     # here.
                   1590:     #
                   1591:     my %form;
                   1592:     $form{'grade_target'} = 'tex';
                   1593:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    1594:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     1595: 
                   1596:     # If form.showallfoils is set, then request all foils be shown:
                   1597:     # privilege will be enforced both by not allowing the 
                   1598:     # check box selecting this option to be presnt unless it's ok,
                   1599:     # and by lonresponse's priv. check.
                   1600:     # The if is here because lonresponse.pm only cares that
                   1601:     # showallfoils is defined, not what the value is.
                   1602: 
                   1603:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1604: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1605:     }
1.504     albertel 1606:     
                   1607:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1608: 	&Apache::lonnet::appenv({'construct.style' =>
                   1609: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1610:     } elsif ($env{'construct.style'}) {
1.549     raeburn  1611: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 1612:     }
                   1613: 
1.372     foxr     1614: 
1.140     sakharuk 1615:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1616:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1617: 	my ($currentURL,$cleanURL);
1.375     foxr     1618: 
1.162     sakharuk 1619: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1620:             #prints published resource
1.153     sakharuk 1621: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1622: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1623: 	} else {
1.512     foxr     1624: 
1.185     sakharuk 1625:             #prints resource from the construction space
1.240     albertel 1626: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1627: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1628: 	    $cleanURL=$currentURL;
1.143     sakharuk 1629: 	}
1.140     sakharuk 1630: 	$selectionmade = 1;
1.413     albertel 1631: 	if ($cleanURL!~m|^/adm/|
                   1632: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1633: 	    my $rndseed=time;
1.242     sakharuk 1634: 	    my $texversion='';
                   1635: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1636: 		my %moreenv;
1.343     albertel 1637: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 1638:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1639: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1640: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1641: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1642: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1643: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1644: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1645: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1646: 		    $form{'problem_split'}='yes';
                   1647: 		}
1.242     sakharuk 1648: 		if ($helper->{'VARS'}->{'curseed'}) {
                   1649: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   1650: 		}
                   1651: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  1652: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 1653: 
                   1654: 		&Apache::lonxml::clear_problem_counter();
                   1655: 
1.375     foxr     1656: 		$resources_printed .= $currentURL.':';
1.515     foxr     1657: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 1658: 
1.511     foxr     1659: 		#  Add annotations if required:
                   1660: 	    
1.428     albertel 1661: 		&Apache::lonxml::clear_problem_counter();
                   1662: 
1.242     sakharuk 1663: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 1664: 	    }
1.423     foxr     1665: 	    # current document with answers.. no need to encap in minipage
                   1666: 	    #  since there's only one answer.
                   1667: 
1.242     sakharuk 1668: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1669: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     1670: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 1671: 		$form{'grade_target'}='answer';
1.167     albertel 1672: 		$form{'answer_output_mode'}='tex';
1.169     albertel 1673: 		$form{'rndseed'}=$rndseed;
1.401     albertel 1674:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1675: 		    $form{'problemtype'}='exam';
                   1676: 		}
1.375     foxr     1677: 		$resources_printed .= $currentURL.':';
1.515     foxr     1678: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     1679: 		
                   1680: 
1.242     sakharuk 1681: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1682: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1683: 		} else {
                   1684: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 1685: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 1686: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1687: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1688: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 1689: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 1690: 		    } else {
                   1691: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 1692: 			my $URLpath=$cleanURL;
1.245     sakharuk 1693: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 1694: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 1695: 		    }
1.242     sakharuk 1696: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1697: 		}
1.511     foxr     1698: 
                   1699: 
                   1700: 		
                   1701: 
1.550     foxr     1702: 	    
1.511     foxr     1703: 	    }
                   1704: 	    # Print annotations.
                   1705: 
                   1706: 
                   1707: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1708: 		my $annotation .= &annotate($currentURL);
                   1709: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 1710: 	    }
1.511     foxr     1711: 
                   1712: 
1.214     sakharuk 1713: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 1714: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 1715: 	    }
1.219     sakharuk 1716: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1717: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1718: 
                   1719: 	    }
1.162     sakharuk 1720: 	    $result .= $texversion;
                   1721: 	    if ($currentURL=~m/\.page\s*$/) {
                   1722: 		($result,$number_of_columns) = &page_cleanup($result);
                   1723: 	    }
1.413     albertel 1724:         } elsif ($cleanURL!~m|^/adm/|
                   1725: 		 && $currentURL=~/\.sequence$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 1726:             #printing content of sequence from the construction space	
                   1727: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.551     foxr     1728: #	    $result .= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.459     foxr     1729: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   1730: 						    $LaTeXwidth);
                   1731: 	    $result .= '\end{document}';  
                   1732: 	    if (!($result =~ /\\begin\{document\}/)) {
                   1733: 		$result = &print_latex_header() . $result;
1.227     sakharuk 1734: 	    }
1.459     foxr     1735: 	    # End construction space sequence.
1.456     raeburn  1736: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 1737: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 1738: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     1739: 		$resources_printed .= $currentURL.':';
1.515     foxr     1740: 		my $texversion=&ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     1741: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1742: 		    my $annotation = &annotate($currentURL);
                   1743: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   1744: 		}
1.258     sakharuk 1745: 		$result .= $texversion;
1.550     foxr     1746: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     1747: 	    # For this sort of print of a single LaTeX file,
                   1748: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   1749: 	    #
                   1750: 
                   1751: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     1752: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1753: 		my $annotation = &annotate($currentURL);
                   1754: 		$result =~ s/(\\end{document})/$annotation$1/;
                   1755: 	    }
                   1756: 
1.499     foxr     1757: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     1758: 
1.550     foxr     1759: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   1760: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     1761: 	    $result .= '\end{document}';
1.162     sakharuk 1762: 	} else {
1.414     albertel 1763: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1764: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 1765: 	}
1.354     foxr     1766:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.142     sakharuk 1767:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     1768:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   1769: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     1770: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   1771: 	     ) { 
1.511     foxr     1772: 
                   1773: 
1.141     sakharuk 1774:         #-- produce an output string
1.296     sakharuk 1775: 	if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems') {
                   1776: 	    $selectionmade = 2;
                   1777: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') {
                   1778: 	    $selectionmade = 3;
1.536     foxr     1779: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   1780: 		 ) {
1.296     sakharuk 1781: 	    $selectionmade = 4;
1.354     foxr     1782: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   1783: 	    $selectionmade = 4;
1.296     sakharuk 1784: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   1785: 	    $selectionmade = 7;
                   1786: 	}
1.193     sakharuk 1787: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1788: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 1789: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1790: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1791: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1792: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   1793: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   1794: 	    $form{'problem_split'}='yes';
                   1795: 	}
1.141     sakharuk 1796: 	my $flag_latex_header_remove = 'NO';
                   1797: 	my $flag_page_in_sequence = 'NO';
                   1798: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 1799: 	my $prevassignment='';
1.428     albertel 1800: 
                   1801: 	&Apache::lonxml::clear_problem_counter();
                   1802: 
1.416     foxr     1803: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 1804: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     1805: 
1.521     foxr     1806: 	    &Apache::lonenc::reset_enc();
                   1807: 
                   1808: 
1.350     foxr     1809: 	    # Note due to document structure, not allowed to put \newpage
                   1810: 	    # prior to the first resource
                   1811: 
1.351     foxr     1812: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     1813: 		if($i != 0) {
                   1814: 		    $result.="\\newpage\n";
                   1815: 		}
                   1816: 	    }
1.521     foxr     1817: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 1818: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 1819: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 1820: 
1.521     foxr     1821: 
1.407     albertel 1822: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     1823: 
1.267     sakharuk 1824: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 1825: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 1826: 	    my $texversion='';
1.413     albertel 1827: 	    if ($urlp!~m|^/adm/|
                   1828: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     1829: 		$resources_printed .= $urlp.':';
1.428     albertel 1830: 		&Apache::lonxml::remember_problem_counter();
1.515     foxr     1831: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 1832: 		if ($urlp=~/\.page$/) {
                   1833: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   1834: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   1835: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   1836: 		    $flag_page_in_sequence = 'YES';
                   1837: 		} 
1.428     albertel 1838: 
1.296     sakharuk 1839: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1840: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     1841: 		    #  Don't permanently pervert the %form hash
                   1842: 		    my %answerform = %form;
                   1843: 		    $answerform{'grade_target'}='answer';
                   1844: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     1845: 		    $resources_printed .= $urlp.':';
1.428     albertel 1846: 
                   1847: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     1848: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 1849: 
1.296     sakharuk 1850: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1851: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 1852: 		    } else {
1.307     sakharuk 1853: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 1854: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     1855: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 1856: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   1857: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   1858: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     1859: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   1860: 			    $body   .='\vskip 1 mm '.$answer;
                   1861: 			    $body    = &encapsulate_minipage($body);
                   1862: 			    $texversion .= $body;
1.296     sakharuk 1863: 			} else {
                   1864: 			    $texversion='';
                   1865: 			}
1.249     sakharuk 1866: 		    }
1.511     foxr     1867: 
1.246     sakharuk 1868: 		}
1.511     foxr     1869: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1870: 		    my $annotation .= &annotate($urlp);
                   1871: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1872: 		}
                   1873: 
1.296     sakharuk 1874: 		if ($flag_latex_header_remove ne 'NO') {
                   1875: 		    $texversion = &latex_header_footer_remove($texversion);
                   1876: 		} else {
                   1877: 		    $texversion =~ s/\\end{document}//;
                   1878: 		}
                   1879: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1880: 		    $texversion=&IndexCreation($texversion,$urlp);
                   1881: 		}
                   1882: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   1883: 		    my $name = &get_name();
                   1884: 		    my $courseidinfo = &get_course();
                   1885: 		    $prevassignment=$assignment;
1.455     albertel 1886: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     1887: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 1888: 							  $assignment, 
                   1889: 							  $courseidinfo, 
                   1890: 							  $name);
1.552     foxr     1891: 
1.417     foxr     1892: 		    if ($numberofcolumns eq '1') {
1.455     albertel 1893: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1894: 		    } else {
1.455     albertel 1895: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     1896: 		    }			
1.296     sakharuk 1897: 		}
                   1898: 		$result .= $texversion;
                   1899: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  1900: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 1901: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1902: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     1903: 		$resources_printed .= $urlp.':';
1.515     foxr     1904: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     1905: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1906: 		    my $annotation = &annotate($urlp);
                   1907: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   1908: 		}
                   1909: 
1.301     sakharuk 1910: 		if ($flag_latex_header_remove ne 'NO') {
                   1911: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     1912: 		} else {	
1.301     sakharuk 1913: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   1914: 		}
                   1915: 		$result .= $texversion;
                   1916: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     1917: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   1918: 		if ($i > 0) {
                   1919: 		    $result .= '\cleardoublepage';
                   1920: 		}
                   1921: 		$result .= &include_pdf($urlp);
                   1922: 		if ($i != $#master_seq) {
                   1923: 		    if ($numberofcolumns eq '1') {
                   1924: 			$result .= '\newpage';
                   1925: 		    } else {
                   1926: 			# the \\'s seem to be needed to let LaTeX know there's something
                   1927: 			# on the page since LaTeX seems to not like to clear an empty page.
                   1928: 			#
                   1929: 			$result .= '\\ \cleardoublepage';
                   1930: 		    }
                   1931: 		}
                   1932: 		$flag_latex_header_remove = 'YES';
                   1933: 
1.141     sakharuk 1934: 	    } else {
1.414     albertel 1935: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   1936: 					 $master_seq[$i]);
1.297     sakharuk 1937: 		if ($flag_latex_header_remove ne 'NO') {
                   1938: 		    $texversion = &latex_header_footer_remove($texversion);
                   1939: 		} else {
                   1940: 		    $texversion =~ s/\\end{document}//;
                   1941: 		}
                   1942: 		$result .= $texversion;
                   1943: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 1944: 	    }	    
1.550     foxr     1945: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   1946: 		last; 
                   1947: 	    }
1.141     sakharuk 1948: 	}
1.428     albertel 1949: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     1950: 	if ($flag_page_in_sequence eq 'YES') {
                   1951: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   1952: 	}	
1.141     sakharuk 1953: 	$result .= '\end{document}';
1.284     albertel 1954:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.536     foxr     1955: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 1956: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     1957: 
                   1958: 
1.150     sakharuk 1959:      #-- prints assignments for whole class or for selected students  
1.284     albertel 1960: 	 my $type;
1.536     foxr     1961: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
                   1962: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 1963: 	     $selectionmade=5;
1.284     albertel 1964: 	     $type='problems';
1.254     sakharuk 1965: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   1966: 	     $selectionmade=8;
1.284     albertel 1967: 	     $type='resources';
1.254     sakharuk 1968: 	 }
1.150     sakharuk 1969: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     1970: 	 #   The normal sort order is by section then by students within the
                   1971: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   1972: 	 #   to override this and output the students by name.
                   1973: 	 #    Each element of the students array is of the form:
                   1974: 	 #       username:domain:section:last, first:status
                   1975: 	 #    
1.429     foxr     1976: 	 #  Note that student sort is not compatible with printing 
                   1977: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     1978: 	 #   
1.429     foxr     1979: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   1980: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     1981: 	     @students = sort compare_names  @students;
                   1982: 	 }
1.429     foxr     1983: 	 &adjust_number_to_print($helper);
                   1984: 
1.278     albertel 1985:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   1986: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   1987: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   1988: 	 }
1.429     foxr     1989: 	 # If we are splitting on section boundaries, we need 
                   1990: 	 # to remember that in split_on_sections and 
                   1991: 	 # print all of the students in the list.
                   1992: 	 #
                   1993: 	 my $split_on_sections = 0;
                   1994: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   1995: 	     $split_on_sections = 1;
                   1996: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   1997: 	 }
1.150     sakharuk 1998: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     1999: 
1.150     sakharuk 2000: 	 #loop over students
1.552     foxr     2001: 	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2002: 	 my %moreenv;
1.330     sakharuk 2003:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2004: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2005: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2006: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2007: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2008: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2009: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2010: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2011: 	     $moreenv{'problem_split'}='yes';
                   2012: 	 }
1.318     albertel 2013: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2014: 	 my $student_counter=-1;
1.429     foxr     2015: 	 my $i = 0;
1.430     albertel 2016: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2017: 	 foreach my $person (@students) {
1.350     foxr     2018: 
1.373     albertel 2019:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2020: 	     if (-e $duefile) {
                   2021: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2022: 		 print $temp_file "1969\n";
                   2023: 	     }
1.272     sakharuk 2024: 	     $student_counter++;
1.429     foxr     2025: 	     if ($split_on_sections) {
1.430     albertel 2026: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2027: 		 if ($this_section ne $last_section) {
                   2028: 		     $i++;
                   2029: 		     $last_section = $this_section;
                   2030: 		 }
                   2031: 	     } else {
                   2032: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2033: 	     }
1.375     foxr     2034: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2035: 						     $person,$type,
                   2036: 						     \%moreenv,\@master_seq,
1.360     albertel 2037: 						     $flag_latex_header_remove,
1.422     albertel 2038: 						     $LaTeXwidth);
1.375     foxr     2039: 	     $resources_printed .= ":";
1.284     albertel 2040: 	     $print_array[$i].=$output;
                   2041: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2042: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2043: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2044: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2045: 	 }
                   2046: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2047: 	 $result .= $print_array[0].'  \end{document}';
                   2048:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                   2049: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2050: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2051: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2052: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2053: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2054: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2055: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2056: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2057: 
1.381     albertel 2058: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2059:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2060: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2061: 	 foreach my $line (@lines) {
1.381     albertel 2062: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2063: 	     if ($name eq $code_option) {
                   2064: 		 $code_length=$length;
                   2065: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2066: 	     }
                   2067: 	 }
1.288     albertel 2068: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2069: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2070:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2071: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2072: 	 my @allcodes;
                   2073: 	 if ($old_name) {
1.381     albertel 2074: 	     my %result=&Apache::lonnet::get('CODEs',
                   2075: 					     [$old_name,"type\0$old_name"],
                   2076: 					     $cdom,$cnum);
                   2077: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2078: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2079: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2080: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2081: 	     $num_todo = 1;
                   2082: 	     @allcodes = ($selected_code);
1.385     foxr     2083: 	 } elsif ($single_code) {
                   2084: 
1.387     foxr     2085: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2086: 	     # If an alpha code have to convert to numbers so it can be
                   2087: 	     # converted back to letters again :-)
                   2088: 	     #
                   2089: 	     if ($code_type ne 'number') {
                   2090: 		 $single_code = &letters_to_num($single_code);
                   2091: 	     }
                   2092: 	     @allcodes = ($single_code);
1.292     albertel 2093: 	 } else {
                   2094: 	     my %allcodes;
1.299     albertel 2095: 	     srand($seed);
1.292     albertel 2096: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2097: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2098: 					    $code_type);
1.292     albertel 2099: 	     }
                   2100: 	     if ($code_name) {
                   2101: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2102: 				      {
                   2103: 					$code_name =>join(',',keys(%allcodes)),
                   2104: 					"type\0$code_name" => $code_type
                   2105: 				      },
1.292     albertel 2106: 				      $cdom,$cnum);
                   2107: 	     }
                   2108: 	     @allcodes=keys(%allcodes);
                   2109: 	 }
1.336     albertel 2110: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2111: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2112: 	 &adjust_number_to_print($helper);
1.336     albertel 2113: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2114: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2115: 	     $number_per_page=$num_todo;
                   2116: 	 }
                   2117: 	 my $flag_latex_header_remove = 'NO'; 
                   2118: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2119: 	 my $count=0;
1.292     albertel 2120: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2121: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2122: 	     if ($code_type eq 'number') { 
                   2123: 		 $moreenv{'CODE'}=$code;
                   2124: 	     } else {
                   2125: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2126: 	     }
1.375     foxr     2127: 	     my ($output,$fullname, $printed)=
1.288     albertel 2128: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2129: 				  \@master_seq,$flag_latex_header_remove,
                   2130: 				  $LaTeXwidth);
1.375     foxr     2131: 	     $resources_printed .= ":";
1.295     albertel 2132: 	     $print_array[$file_num].=$output;
1.288     albertel 2133: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2134: 				       &mt('last assignment').' '.$fullname);
                   2135: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2136: 	     $count++;
1.331     albertel 2137: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2138: 	 }
                   2139: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2140: 	 $result .= $print_array[0].'  \end{document}';
                   2141:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2142:     #prints selected problems from the subdirectory 
                   2143: 	$selectionmade = 6;
                   2144:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2145: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2146: 	my $flag_latex_header_remove = 'NO'; 
                   2147: 	my $rndseed=time;
1.230     albertel 2148: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2149: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2150: 	}
1.151     sakharuk 2151: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2152: 
                   2153: 	    &Apache::lonenc::reset_enc();
                   2154: 
1.152     sakharuk 2155: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2156: 	    $urlp=~s|//|/|;
1.152     sakharuk 2157: 	    if ($urlp=~/\//) {
1.353     foxr     2158: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2159: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2160: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2161: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2162: 		} else {
1.302     sakharuk 2163: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2164: 		}
1.375     foxr     2165: 		$resources_printed .= $urlp.':';
1.515     foxr     2166: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2167: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2168: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2169: 		    #  Don't permanently pervert %form:
                   2170: 		    my %answerform = %form;
                   2171: 		    $answerform{'grade_target'}='answer';
                   2172: 		    $answerform{'answer_output_mode'}='tex';
                   2173: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2174: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2175: 		    $resources_printed .= $urlp.':';
1.515     foxr     2176: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2177: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2178: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2179: 		    } else {
1.253     sakharuk 2180: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2181: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2182: 			    $texversion.='\vskip 0 mm \noindent ';
                   2183: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2184: 			} else {
                   2185: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2186: 			    my $URLpath=$urlp;
                   2187: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2188: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2189: 			}
                   2190: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2191: 		    }
1.174     sakharuk 2192: 		}
1.515     foxr     2193:                 #this chunk is responsible for printing the path to problem
                   2194: 
1.253     sakharuk 2195: 		my $newurlp=$urlp;
                   2196: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2197: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2198: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2199: 		if ($flag_latex_header_remove ne 'NO') {
                   2200: 		    $texversion = &latex_header_footer_remove($texversion);
                   2201: 		} else {
                   2202: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2203: 		}
                   2204: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2205: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2206: 		}
1.219     sakharuk 2207: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2208: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2209: 		    
                   2210: 		}
1.152     sakharuk 2211: 		$result .= $texversion;
                   2212: 	    }
                   2213: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2214: 	}
1.175     sakharuk 2215: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2216: 	$result .= '\end{document}';      	
1.140     sakharuk 2217:     }
                   2218: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2219: 
                   2220:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2221: 
                   2222:     if ($do_postprocessing) {
                   2223: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2224: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2225: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2226: 	#if ($numberofcolumns == 1) {
1.451     albertel 2227: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2228: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2229: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2230: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2231: 	#}
                   2232:     }
1.367     foxr     2233: 
1.515     foxr     2234:     # Set URLback if this is a construction space print so we can provide
                   2235:     # a link to the resource being edited.
                   2236:     #
1.274     sakharuk 2237: 
1.276     sakharuk 2238:     my $URLback=''; #link to original document
1.510     albertel 2239:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2240: 	#prints resource from the construction space
                   2241: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2242: 	if ($URLback=~/([^?]+)/) {
                   2243: 	    $URLback=$1;
                   2244: 	    $URLback=~s|^/~|/priv/|;
                   2245: 	}
1.276     sakharuk 2246:     }
1.554.2.1! foxr     2247:     #
        !          2248:     # Final adjustment of the font size:
        !          2249:     #
        !          2250: 
        !          2251:     $result = set_font_size($result);
1.375     foxr     2252: 
1.525     www      2253: #-- writing .tex file in prtspool 
                   2254:     my $temp_file;
                   2255:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2256:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2257:     if (!($#print_array>0)) { 
                   2258:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2259: 	  $r->log_error("Couldn't open $filename for output $!");
                   2260: 	  return SERVER_ERROR; 
                   2261:        }
                   2262:        print $temp_file $result;
                   2263:        my $begin=index($result,'\begin{document}',0);
                   2264:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2265:     } else {
1.525     www      2266:        my $begin=index($result,'\begin{document}',0);
                   2267:        my $inc=substr($result,0,$begin+16);
                   2268:        for (my $i=0;$i<=$#print_array;$i++) {
                   2269: 	  if ($i==0) {
                   2270: 	      $print_array[$i]=$result;
                   2271: 	  } else {
                   2272: 	      $print_array[$i].='\end{document}';
                   2273: 	      $print_array[$i] = 
                   2274: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2275: 				   $selectionmade, 
                   2276: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2277: 	    
1.525     www      2278: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2279: 	      substr($print_array[$i],0,$anobegin)='';
                   2280: 	      $print_array[$i]=$inc.$print_array[$i];
                   2281: 	  }
                   2282: 	  my $temp_file;
                   2283: 	  my $newfilename=$filename;
                   2284: 	  my $num=$i+1;
                   2285: 	  $newfilename =~s/\.tex$//; 
                   2286: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2287: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2288: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2289: 	      return SERVER_ERROR; 
                   2290: 	  }
                   2291: 	  print $temp_file $print_array[$i];
                   2292:        }
                   2293:     }
                   2294:     my $student_names='';
                   2295:     if ($#print_array>0) {
                   2296:         for (my $i=0;$i<=$#print_array;$i++) {
                   2297:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2298: 	}
1.525     www      2299:     } else {
                   2300: 	if ($#student_names>-1) {
                   2301: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2302: 	} else {
1.525     www      2303:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2304: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2305: 				    $env{'request.course.sec'},$fullname).
                   2306: 					'_ENDPERSON_'.'_END_';
                   2307: 	}
1.525     www      2308:      }
1.515     foxr     2309: 	
1.525     www      2310:      # logic for now is too complex to trace if this has been defined
                   2311:      #  yet.
                   2312:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2313:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2314:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2315: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2316: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2317: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2318: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2319: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2320: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2321: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2322: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2323: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2324: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2325:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2326: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2327: 				"cgi.$identifier.courseid" => $cnum, 
                   2328: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2329: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2330: 	
1.525     www      2331:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2332:     my $continue_text = &mt('Continue');
1.525     www      2333:     # If there's been an unrecoverable SSI error, report it to the user
                   2334:     if ($ssi_error) {
                   2335:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2336:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2337:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2338:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2339:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2340:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2341:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2342:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2343:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2344:     } else {
1.515     foxr     2345: 	$r->print(<<FINALEND);
1.317     albertel 2346: <br />
1.288     albertel 2347: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2348: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2349: $end_page
1.140     sakharuk 2350: FINALEND
1.528     raeburn  2351:     }                                     # endif ssi errors.
1.140     sakharuk 2352: }
                   2353: 
1.288     albertel 2354: 
                   2355: sub get_CODE {
1.381     albertel 2356:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2357:     my $max='1'.'0'x$size;
                   2358:     my $newcode;
                   2359:     while(1) {
1.392     albertel 2360: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2361: 	if (!exists($$all_codes{$newcode})) {
                   2362: 	    $$all_codes{$newcode}=1;
1.381     albertel 2363: 	    if ($type eq 'number' ) {
                   2364: 		return $newcode;
                   2365: 	    } else {
                   2366: 		return &num_to_letters($newcode);
                   2367: 	    }
1.288     albertel 2368: 	}
                   2369:     }
                   2370: }
1.140     sakharuk 2371: 
1.284     albertel 2372: sub print_resources {
1.360     albertel 2373:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2374: 	$LaTeXwidth)=@_;
1.284     albertel 2375:     my $current_output = ''; 
1.375     foxr     2376:     my $printed = '';
1.284     albertel 2377:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2378:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2379:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2380:     if ($person =~ 'anon') {
1.492     foxr     2381: 	$namepostfix .="Name: ";
1.288     albertel 2382: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2383:     }
1.444     foxr     2384:     #  Fullname may have special latex characters that need \ prefixing:
                   2385:     #
                   2386: 
1.350     foxr     2387:     my $i           = 0;
1.284     albertel 2388:     #goes through all resources, checks if they are available for 
                   2389:     #current student, and produces output   
1.428     albertel 2390: 
                   2391:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2392:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2393:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2394:     #
1.441     foxr     2395:     #   end each student with a 
1.440     foxr     2396:     #   Special that allows the post processor to even out the page
                   2397:     #   counts later.  Nasty problem this... it would be really
                   2398:     #   nice to put the special in as a postscript comment
1.441     foxr     2399:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2400:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2401:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2402:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2403:     #
1.363     foxr     2404: 
1.511     foxr     2405: 
1.284     albertel 2406:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2407: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2408: 	    if($i != 0) {
                   2409: 		$current_output.= "\\newpage\n";
                   2410: 	    }
                   2411: 	}
                   2412: 	$i++;
1.511     foxr     2413: 
1.284     albertel 2414: 	if ( !($type eq 'problems' && 
                   2415: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2416: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2417: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2418: 		if ($res_url!~m|^ext/|
1.413     albertel 2419: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2420: 		    $printed .= $curresline.':';
1.428     albertel 2421: 
                   2422: 		    &Apache::lonxml::remember_problem_counter();    
                   2423: 
1.526     www      2424: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.428     albertel 2425: 
1.305     sakharuk 2426: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2427: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2428: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2429: 			my %answerenv = %{$moreenv};
                   2430: 			$answerenv{'answer_output_mode'}='tex';
                   2431: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2432: 			
                   2433: 			&Apache::lonxml::restore_problem_counter();
                   2434: 
1.380     foxr     2435: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2436: 
1.305     sakharuk 2437: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2438: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2439: 			} else {
1.423     foxr     2440: 
                   2441: 			    
                   2442: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2443: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2444: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2445: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2446: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2447: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2448: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2449: 			    $body     = &encapsulate_minipage($body);
                   2450: 			    $rendered = $header.$body;
1.305     sakharuk 2451: 			}
                   2452: 		    }
1.511     foxr     2453: 
                   2454: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2455: 			my $url = &Apache::lonnet::clutter($res_url);
                   2456: 			my $annotation = &annotate($url);
                   2457: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2458: 		    }
1.305     sakharuk 2459: 		    if ($remove_latex_header eq 'YES') {
                   2460: 			$rendered = &latex_header_footer_remove($rendered);
                   2461: 		    } else {
                   2462: 			$rendered =~ s/\\end{document}//;
                   2463: 		    }
                   2464: 		    $current_output .= $rendered;		    
1.456     raeburn  2465: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.375     foxr     2466: 		    $printed .= $curresline.':';
1.528     raeburn  2467: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2468: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2469: 			my $url = &Apache::lonnet::clutter($res_url);
                   2470: 			my $annotation = &annotate($url);
                   2471: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2472: 		    }
1.305     sakharuk 2473: 		    if ($remove_latex_header eq 'YES') {
                   2474: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2475: 		    } else {
1.305     sakharuk 2476: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2477: 		    }
1.421     foxr     2478: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2479: 		} elsif($res_url = ~/\.pdf$/) {
                   2480: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2481: 		    my $rendered  = &include_pdf($url);
                   2482: 		    if ($remove_latex_header ne 'NO') {
                   2483: 			$rendered = &latex_header_footer_remove($rendered);
                   2484: 		    }
                   2485: 		    $current_output .= $rendered;
1.284     albertel 2486: 		} else {
1.414     albertel 2487: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2488: 		    if ($remove_latex_header ne 'NO') {
                   2489: 			$rendered = &latex_header_footer_remove($rendered);
                   2490: 		    } else {
                   2491: 			$rendered =~ s/\\end{document}//;
                   2492: 		    }
                   2493: 		    $current_output .= $rendered;
1.284     albertel 2494: 		}
                   2495: 	    }
                   2496: 	    $remove_latex_header = 'YES';
1.550     foxr     2497: 	} 
1.331     albertel 2498: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2499:     }
1.552     foxr     2500: 
                   2501: 
1.284     albertel 2502:     my $courseidinfo = &get_course();
                   2503:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2504:     my $header_line =
1.486     foxr     2505: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     2506: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 2507:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2508: 	                                         : '\fancyhead[LO]';
                   2509:     $header_line = $header_start.'{'.$header_line.'}';
1.284     albertel 2510:     if ($current_output=~/\\documentclass/) {
1.476     albertel 2511: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 2512:     } else {
1.476     albertel 2513: 	my $blankpages = 
                   2514: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2515: 	    
                   2516: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2517: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2518: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2519: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2520:     }
1.440     foxr     2521:     #
                   2522:     #  Close the student bracketing.
                   2523:     #
1.375     foxr     2524:     return ($current_output,$fullname, $printed);
1.284     albertel 2525: 
                   2526: }
1.140     sakharuk 2527: 
1.3       sakharuk 2528: sub handler {
                   2529: 
                   2530:     my $r = shift;
1.397     albertel 2531:     
                   2532:     &init_perm();
1.114     bowersj2 2533: 
1.416     foxr     2534: 
1.67      www      2535: 
1.397     albertel 2536:     my $helper = printHelper($r);
                   2537:     if (!ref($helper)) {
                   2538: 	return $helper;
1.60      sakharuk 2539:     }
1.177     sakharuk 2540:    
1.184     sakharuk 2541: 
1.454     foxr     2542:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2543:  
1.416     foxr     2544: 
1.350     foxr     2545: 
                   2546: 
1.367     foxr     2547:     #  If a figure conversion queue file exists for this user.domain
                   2548:     # we delete it since it can only be bad (if it were good, printout.pl
                   2549:     # would have deleted it the last time around.
                   2550: 
1.373     albertel 2551:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2552:     if(-e $conversion_queuefile) {
                   2553: 	unlink $conversion_queuefile;
                   2554:     }
1.515     foxr     2555:     
                   2556: 
1.184     sakharuk 2557:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2558:     return OK;
1.60      sakharuk 2559: } 
1.2       sakharuk 2560: 
1.131     bowersj2 2561: use Apache::lonhelper;
1.130     sakharuk 2562: 
1.223     bowersj2 2563: sub addMessage {
                   2564:     my $text = shift;
                   2565:     my $paramHash = Apache::lonhelper::getParamHash();
                   2566:     $paramHash->{MESSAGE_TEXT} = $text;
                   2567:     Apache::lonhelper::message->new();
                   2568: }
                   2569: 
1.416     foxr     2570: 
1.238     bowersj2 2571: 
1.397     albertel 2572: sub init_perm {
                   2573:     undef(%perm);
                   2574:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2575:     if (!$perm{'pav'}) {
                   2576: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2577: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2578:     }
1.465     albertel 2579:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2580:     if (!$perm{'pfo'}) {
                   2581: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2582: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2583:     }
                   2584: }
                   2585: 
1.507     albertel 2586: sub get_randomly_ordered_warning {
                   2587:     my ($helper,$map) = @_;
                   2588: 
                   2589:     my $message;
                   2590: 
                   2591:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   2592:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  2593:     if (defined($navmap)) {
                   2594:         my $res = $navmap->getResourceByUrl($map);
                   2595:         if ($res) {
                   2596: 	    my $func = 
                   2597: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   2598: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   2599: 	    if (@matches) {
                   2600: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   2601: 	    }
                   2602:         }
                   2603:         if ($message) {
                   2604: 	    return '<message type="warning">'.$message.'</message>';
                   2605:         }
                   2606:     } else {
                   2607:         $message = "Retrieval of information about ordering of resources failed."; 
                   2608:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 2609:     }
                   2610:     return;
                   2611: }
                   2612: 
1.131     bowersj2 2613: sub printHelper {
1.115     bowersj2 2614:     my $r = shift;
                   2615: 
                   2616:     if ($r->header_only) {
1.373     albertel 2617:         if ($env{'browser.mathml'}) {
1.241     www      2618:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 2619:         } else {
1.241     www      2620:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 2621:         }
                   2622:         $r->send_http_header;
                   2623:         return OK;
1.115     bowersj2 2624:     }
                   2625: 
1.131     bowersj2 2626:     # Send header, nocache
1.373     albertel 2627:     if ($env{'browser.mathml'}) {
1.241     www      2628:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 2629:     } else {
1.241     www      2630:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 2631:     }
                   2632:     &Apache::loncommon::no_cache($r);
                   2633:     $r->send_http_header;
                   2634:     $r->rflush();
                   2635: 
1.131     bowersj2 2636:     # Unfortunately, this helper is so complicated we have to
                   2637:     # write it by hand
                   2638: 
                   2639:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   2640:     
1.176     bowersj2 2641:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 2642:     $helper->declareVar('symb');
1.156     bowersj2 2643:     $helper->declareVar('postdata');    
1.290     sakharuk 2644:     $helper->declareVar('curseed'); 
                   2645:     $helper->declareVar('probstatus');   
1.156     bowersj2 2646:     $helper->declareVar('filename');
                   2647:     $helper->declareVar('construction');
1.178     sakharuk 2648:     $helper->declareVar('assignment');
1.262     sakharuk 2649:     $helper->declareVar('style_file');
1.340     foxr     2650:     $helper->declareVar('student_sort');
1.363     foxr     2651:     $helper->declareVar('FINISHPAGE');
1.366     foxr     2652:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     2653:     $helper->declareVar("showallfoils");
1.483     foxr     2654:     $helper->declareVar("STUDENTS");
1.363     foxr     2655: 
1.518     foxr     2656: 
                   2657:    
                   2658: 
                   2659: 
1.363     foxr     2660:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     2661:     # But we only do this in the initial state so that they are allowed to change.
                   2662:     #
1.366     foxr     2663: 
1.416     foxr     2664:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     2665:     
                   2666:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     2667: 						{'pagebreaks'  => 'scalar',
                   2668: 					         'lastprinttype' => 'scalar'});
                   2669:     
1.483     foxr     2670:     # This will persistently load in the data we want from the
                   2671:     # very first screen.
1.394     foxr     2672:     
                   2673:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   2674: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   2675: 	    
                   2676: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2677: 	} else {
                   2678: 	    my $state = $env{"form.CURRENT_STATE"};
                   2679: 	    if ($state eq "START") {
                   2680: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   2681: 	    }
                   2682: 	}
                   2683: 	
1.366     foxr     2684:     }
1.481     albertel 2685: 
1.156     bowersj2 2686:     # Detect whether we're coming from construction space
1.373     albertel 2687:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 2688:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 2689:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 2690:     } else {
1.373     albertel 2691:         if ($env{'form.postdata'}) {
                   2692:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 2693: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   2694: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   2695: 	    }
1.156     bowersj2 2696:         }
1.373     albertel 2697:         if ($env{'form.symb'}) {
                   2698:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 2699:         }
1.373     albertel 2700:         if ($env{'form.url'}) {
1.156     bowersj2 2701:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   2702:         }
1.416     foxr     2703: 
1.157     bowersj2 2704:     }
1.481     albertel 2705: 
1.373     albertel 2706:     if ($env{'form.symb'}) {
                   2707:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 2708:     }
1.373     albertel 2709:     if ($env{'form.url'}) {
1.140     sakharuk 2710:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 2711: 
1.140     sakharuk 2712:     }
1.343     albertel 2713:     $helper->{VARS}->{'symb'}=
                   2714: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 2715:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 2716:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 2717: 
1.156     bowersj2 2718:     
1.146     bowersj2 2719:     # Extract map
                   2720:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 2721:     my ($map, $id, $url);
                   2722:     my $subdir;
1.483     foxr     2723:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 2724: 
                   2725:     # Get the resource name from construction space
                   2726:     if ($helper->{VARS}->{'construction'}) {
                   2727:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   2728:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   2729:         $subdir = substr($helper->{VARS}->{'filename'},
                   2730:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 2731:     } else {
1.482     albertel 2732: 	if ($symb ne '') {
                   2733: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   2734: 	    $helper->{VARS}->{'postdata'} = 
                   2735: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   2736: 	} else {
                   2737: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     2738: 	    $is_published=1;	# From resource space.
1.482     albertel 2739: 	}
                   2740: 	$url = &Apache::lonnet::clutter($url);
1.481     albertel 2741: 
1.156     bowersj2 2742:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 2743:             my $postdata = $helper->{VARS}->{'postdata'};
                   2744:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 2745:         }
                   2746:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 2747:     }
1.373     albertel 2748:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   2749: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 2750:     }
1.373     albertel 2751:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     2752: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 2753:     }
1.115     bowersj2 2754: 
1.192     bowersj2 2755:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   2756: 
1.481     albertel 2757:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 2758: 
1.131     bowersj2 2759:     # "Delete everything after the last slash."
1.119     bowersj2 2760:     $subdir =~ s|/[^/]+$||;
                   2761: 
1.131     bowersj2 2762:     # What can be printed is a very dynamic decision based on
                   2763:     # lots of factors. So we need to dynamically build this list.
                   2764:     # To prevent security leaks, states are only added to the wizard
                   2765:     # if they can be reached, which ensures manipulating the form input
                   2766:     # won't allow anyone to reach states they shouldn't have permission
                   2767:     # to reach.
                   2768: 
                   2769:     # printChoices is tracking the kind of printing the user can
                   2770:     # do, and will be used in a choices construction later.
                   2771:     # In the meantime we will be adding states and elements to
                   2772:     # the helper by hand.
                   2773:     my $printChoices = [];
                   2774:     my $paramHash;
1.130     sakharuk 2775: 
1.240     albertel 2776:     if ($resourceTitle) {
1.458     www      2777:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 2778:     }
                   2779: 
1.238     bowersj2 2780:     # Useful filter strings
1.540     raeburn  2781:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 2782:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  2783:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 2784:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 2785:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   2786:     my $isMap = '$res->is_map()';
1.342     albertel 2787:     my $symbFilter = '$res->shown_symb()';
                   2788:     my $urlValue = '$res->link()';
1.238     bowersj2 2789: 
                   2790:     $helper->declareVar('SEQUENCE');
                   2791: 
1.465     albertel 2792:     # If we're in a sequence...
1.416     foxr     2793: 
1.465     albertel 2794:     my $start_new_option;
                   2795:     if ($perm{'pav'}) {
                   2796: 	$start_new_option = 
                   2797: 	    "<option text='".&mt('Start new page<br />before selected').
                   2798: 	    "' variable='FINISHPAGE' />";
                   2799:     }
1.238     bowersj2 2800: 
1.483     foxr     2801:     if (($helper->{'VARS'}->{'construction'} ne '1' ) &&
1.243     bowersj2 2802: 	$helper->{VARS}->{'postdata'} &&
                   2803: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 2804:         # Allow problems from sequence
1.546     bisitz   2805:         push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 'map_problems', 'CHOOSE_PROBLEMS'];
1.131     bowersj2 2806:         # Allow all resources from sequence
1.546     bisitz   2807:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 'map_problems_pages', 'CHOOSE_PROBLEMS_HTML'];
1.465     albertel 2808: 
1.131     bowersj2 2809:         my $helperFragment = <<HELPERFRAGMENT;
1.155     sakharuk 2810:   <state name="CHOOSE_PROBLEMS" title="Select Problem(s) to print">
1.435     foxr     2811:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2812:               closeallpages="1">
1.144     bowersj2 2813:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2814:       <filterfunc>return $isProblem;</filterfunc>
1.131     bowersj2 2815:       <mapurl>$map</mapurl>
1.238     bowersj2 2816:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2817:       $start_new_option
1.131     bowersj2 2818:       </resource>
                   2819:     </state>
                   2820: 
1.155     sakharuk 2821:   <state name="CHOOSE_PROBLEMS_HTML" title="Select Resource(s) to print">
1.435     foxr     2822:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 2823:               closeallpages="1">
1.144     bowersj2 2824:       <nextstate>PAGESIZE</nextstate>
1.435     foxr     2825:       <filterfunc>return $isNotMap;</filterfunc>
1.131     bowersj2 2826:       <mapurl>$map</mapurl>
1.238     bowersj2 2827:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2828:       $start_new_option
1.131     bowersj2 2829:       </resource>
                   2830:     </state>
                   2831: HELPERFRAGMENT
1.121     bowersj2 2832: 
1.326     sakharuk 2833: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 2834:     }
                   2835: 
1.546     bisitz   2836:     # If the user has pfo (print for others) allow them to print all 
                   2837:     # problems and resources  in the entire course, optionally for selected students
1.483     foxr     2838:     if ($perm{'pfo'} &&  !$is_published  &&
1.481     albertel 2839:         ($helper->{VARS}->{'postdata'}=~/\/res\// || $helper->{VARS}->{'postdata'}=~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
                   2840: 
1.509     albertel 2841:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   2842: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     2843: 	push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
1.284     albertel 2844:          &Apache::lonxml::xmlparse($r, 'helper', <<ALL_PROBLEMS);
1.155     sakharuk 2845:   <state name="ALL_PROBLEMS" title="Select Problem(s) to print">
1.287     albertel 2846:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2847: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
1.144     bowersj2 2848:       <nextstate>PAGESIZE</nextstate>
1.192     bowersj2 2849:       <filterfunc>return $isProblemOrMap;</filterfunc>
1.287     albertel 2850:       <choicefunc>return $isNotMap;</choicefunc>
1.238     bowersj2 2851:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2852:       $start_new_option
1.284     albertel 2853:     </resource>
                   2854:   </state>
1.354     foxr     2855:   <state name="ALL_RESOURCES" title="Select Resource(s) to print">
                   2856:     <resource variable="RESOURCES" toponly='0' multichoice='1'
                   2857:               suppressEmptySequences='0' addstatus='1' closeallpages='1'>
                   2858:       <nextstate>PAGESIZE</nextstate>
                   2859:       <filterfunc>return $isNotMap; </filterfunc>
                   2860:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2861:       $start_new_option
1.354     foxr     2862:     </resource>
                   2863:   </state>
1.536     foxr     2864:   <state name="ALL_PROBLEMS_STUDENTS" title="Select Problem(s) to print">
                   2865:     <resource variable="RESOURCES" toponly='0' multichoice="1"
                   2866: 	suppressEmptySequences='0' addstatus="1" closeallpages="1">
                   2867:       <nextstate>STUDENTS1</nextstate>
                   2868:       <filterfunc>return $isProblemOrMap;</filterfunc>
                   2869:       <choicefunc>return $isNotMap;</choicefunc>
                   2870:       <valuefunc>return $symbFilter;</valuefunc>
                   2871:       $start_new_option
                   2872:     </resource>
                   2873:   </state>
                   2874:   <state name="STUDENTS1" title="Select People">
                   2875:       <message><b>Select sorting order of printout</b> </message>
                   2876:     <choices variable='student_sort'>
                   2877:       <choice computer='0'>Sort by section then student</choice>
                   2878:       <choice computer='1'>Sort by students across sections.</choice>
                   2879:     </choices>
                   2880:       <message><br /><hr /><br /> </message>
                   2881:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   2882:   </state>
                   2883: 
1.284     albertel 2884: ALL_PROBLEMS
1.132     bowersj2 2885: 
1.284     albertel 2886: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   2887: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'problems_for_students', 'CHOOSE_STUDENTS'];
                   2888: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 2889: 	}
1.424     foxr     2890: 
1.507     albertel 2891: 	my $randomly_ordered_warning = 
                   2892: 	    &get_randomly_ordered_warning($helper,$map);
                   2893: 
1.424     foxr     2894: 	# resource_selector will hold a few states that:
                   2895: 	#   - Allow resources to be selected for printing.
                   2896: 	#   - Determine pagination between assignments.
                   2897: 	#   - Determine how many assignments should be bundled into a single PDF.
                   2898:         # TODO:
                   2899: 	#    Probably good to do things like separate this up into several vars, each
                   2900: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   2901: 	#    and next states for better mix and match capability
                   2902: 	#
1.284     albertel 2903: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     2904:     <state name="SELECT_PROBLEMS" title="Select resources to print">
1.507     albertel 2905:     $randomly_ordered_warning
                   2906: 
1.424     foxr     2907:    <nextstate>PRINT_FORMATTING</nextstate> 
1.284     albertel 2908:    <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 2909:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   2910:               closeallpages="1">
1.254     sakharuk 2911:       <filterfunc>return $isProblem;</filterfunc>
1.148     bowersj2 2912:       <mapurl>$map</mapurl>
1.254     sakharuk 2913:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 2914:       $start_new_option
1.147     bowersj2 2915:       </resource>
1.424     foxr     2916:     </state>
                   2917:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 2918:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 2919:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 2920:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   2921:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   2922:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   2923:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 2924:     </choices>
1.424     foxr     2925:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     2926:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   2927:     <choices variable="SPLIT_PDFS">
                   2928:        <choice computer="all">All assignments in a single PDF file</choice>
                   2929:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   2930:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 2931:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   2932:             Specify the number of assignments per PDF:</choice>
1.429     foxr     2933:     </choices>
1.424     foxr     2934:     </state>
1.284     albertel 2935: RESOURCE_SELECTOR
                   2936: 
                   2937:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS);
                   2938:   <state name="CHOOSE_STUDENTS" title="Select Students and Resources">
1.485     albertel 2939:       <message><b>Select sorting order of printout</b> </message>
1.340     foxr     2940:     <choices variable='student_sort'>
                   2941:       <choice computer='0'>Sort by section then student</choice>
                   2942:       <choice computer='1'>Sort by students across sections.</choice>
                   2943:     </choices>
1.437     foxr     2944:       <message><br /><hr /><br /> </message>
1.425     foxr     2945:       <student multichoice='1' variable="STUDENTS" nextstate="SELECT_PROBLEMS" coursepersonnel="1"/>
1.424     foxr     2946:   </state>
1.284     albertel 2947:     $resource_selector
1.131     bowersj2 2948: CHOOSE_STUDENTS
1.292     albertel 2949: 
1.373     albertel 2950: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2951: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 2952:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   2953: 	my $namechoice='<choice></choice>';
1.337     albertel 2954: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 2955: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 2956: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 2957: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   2958: 	}
1.389     foxr     2959: 
                   2960: 
                   2961: 	my %code_values;
1.405     albertel 2962: 	my %codes_to_print;
1.411     albertel 2963: 	foreach my $key (@names) {
1.389     foxr     2964: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 2965: 	    foreach my $key (keys(%code_values)) {
                   2966: 		$codes_to_print{$key} = 1;
1.388     foxr     2967: 	    }
                   2968: 	}
1.389     foxr     2969: 
1.452     albertel 2970: 	my $code_selection;
1.405     albertel 2971: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     2972: 	    my $choice  = $code;
                   2973: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   2974: 		$choice = &letters_to_num($code);
                   2975: 	    }
1.432     albertel 2976: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     2977: 	}
1.436     albertel 2978: 	if (%codes_to_print) {
                   2979: 	    $code_selection .='   
1.472     albertel 2980: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 2981: 		<message></td><td></message>
1.452     albertel 2982: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   2983:                   <choice></choice>
1.448     albertel 2984:                   <exec>
                   2985:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   2986:                   </exec>
1.452     albertel 2987: 		</dropdown>
1.468     foxr     2988: 	    <message></td></tr><tr><td></message>
1.436     albertel 2989:             '.$/;
1.448     albertel 2990: 
1.436     albertel 2991: 	}
1.432     albertel 2992: 
1.542     raeburn  2993:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2994: 	my $codechoice='';
1.542     raeburn  2995: 	foreach my $line (@lines) {
1.381     albertel 2996: 	    my ($name,$description,$code_type,$code_length)=
                   2997: 		(split(/:/,$line))[0,1,2,4];
                   2998: 	    if ($code_length > 0 && 
                   2999: 		$code_type =~/^(letter|number|-1)/) {
                   3000: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3001: 	    }
                   3002: 	}
                   3003: 	if ($codechoice eq '') {
                   3004: 	    $codechoice='<choice computer="default">Default</choice>';
                   3005: 	}
1.284     albertel 3006:         &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON1);
1.468     foxr     3007:   <state name="CHOOSE_ANON1" title="Specify CODEd Assignments">
1.424     foxr     3008:     <nextstate>SELECT_PROBLEMS</nextstate>
1.468     foxr     3009:     <message><h4>Fill out one of the forms below</h4></message>
                   3010:     <message><br /><hr /> <br /></message>
                   3011:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3012:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3013:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3014:        <validator>
                   3015: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.382     foxr     3016: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3017:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                   3018: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3019: 	    return "You need to specify the number of assignments to print";
                   3020: 	}
                   3021: 	return undef;
                   3022:        </validator>
                   3023:     </string>
                   3024:     <message></td></tr><tr><td></message>
1.501     albertel 3025:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3026:     <message></td><td></message>
                   3027:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3028:     <message></td></tr><tr><td></message>
                   3029:     <message><b>Bubble sheet type:</b></message>
                   3030:     <message></td><td></message>
                   3031:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3032:     $codechoice
                   3033:     </dropdown>
1.468     foxr     3034:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                   3035:     <message></td></tr><tr><td></table></message>
1.472     albertel 3036:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
1.468     foxr     3037:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3038:     <string variable="SINGLE_CODE" size="10">
1.382     foxr     3039:         <validator>
                   3040: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3041: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3042: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.382     foxr     3043: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3044: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3045: 	   } else {
                   3046: 	       return undef;	# Other forces control us.
                   3047: 	   }
                   3048:         </validator>
                   3049:     </string>
1.472     albertel 3050:     <message></td></tr><tr><td></message>
1.432     albertel 3051:         $code_selection
1.468     foxr     3052:     <message></td></tr></table></message>
1.472     albertel 3053:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
1.468     foxr     3054:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3055:     <message></td><td></message>
1.292     albertel 3056:     <dropdown variable="REUSE_OLD_CODES">
                   3057:         $namechoice
                   3058:     </dropdown>
1.412     albertel 3059:     <message></td></tr></table></message>
1.284     albertel 3060:   </state>
1.424     foxr     3061:   $resource_selector
1.284     albertel 3062: CHOOSE_ANON1
1.254     sakharuk 3063: 
1.272     sakharuk 3064: 
1.254     sakharuk 3065: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3066: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   3067: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]CODEd assignments[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_anon', 'CHOOSE_ANON2'];
1.254     sakharuk 3068: 	}
1.284     albertel 3069: 	    
                   3070: 
                   3071: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3072:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3073:     $randomly_ordered_warning
                   3074: 
1.424     foxr     3075:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3076:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3077:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3078:               closeallpages="1">
1.254     sakharuk 3079:       <filterfunc>return $isNotMap;</filterfunc>
                   3080:       <mapurl>$map</mapurl>
                   3081:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3082:       $start_new_option
1.254     sakharuk 3083:       </resource>
1.424     foxr     3084:     </state>
                   3085:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3086:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3087:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3088:     <choices variable="EMPTY_PAGES">
                   3089:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3090:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3091:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3092:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3093:     </choices>
1.424     foxr     3094:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3095:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3096:     <choices variable="SPLIT_PDFS">
                   3097:        <choice computer="all">All assignments in a single PDF file</choice>
                   3098:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3099:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3100:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3101:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3102:     </choices>
1.424     foxr     3103:     </state>
1.284     albertel 3104: RESOURCE_SELECTOR
                   3105: 
                   3106: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3107:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3108:     <choices variable='student_sort'>
                   3109:       <choice computer='0'>Sort by section then student</choice>
                   3110:       <choice computer='1'>Sort by students across sections.</choice>
                   3111:     </choices>
1.437     foxr     3112:     <message><br /><hr /><br /></message>
1.426     foxr     3113:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3114: 
1.424     foxr     3115:     </state>
1.284     albertel 3116:     $resource_selector
1.254     sakharuk 3117: CHOOSE_STUDENTS1
                   3118: 
1.284     albertel 3119: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3120:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3121:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3122:     <message><h4>Fill out one of the forms below</h4></message>
                   3123:     <message><br /><hr /> <br /></message>
                   3124:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3125:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3126:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3127:        <validator>
                   3128: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3129: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3130: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3131: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3132: 	    return "You need to specify the number of assignments to print";
                   3133: 	}
                   3134: 	return undef;
                   3135:        </validator>
                   3136:     </string>
                   3137:     <message></td></tr><tr><td></message>
1.501     albertel 3138:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3139:     <message></td><td></message>
                   3140:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3141:     <message></td></tr><tr><td></message>
                   3142:     <message><b>Bubble sheet type:</b></message>
                   3143:     <message></td><td></message>
                   3144:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3145:     $codechoice
                   3146:     </dropdown>
1.472     albertel 3147:     <message></td></tr><tr><td></table></message>
                   3148:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3149:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3150:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3151:         <validator>
                   3152: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3153: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3154: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3155: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3156: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3157: 	   } else {
                   3158: 	       return undef;	# Other forces control us.
                   3159: 	   }
                   3160:         </validator>
                   3161:     </string>
1.472     albertel 3162:     <message></td></tr><tr><td></message>
1.432     albertel 3163:         $code_selection
1.472     albertel 3164:     <message></td></tr></table></message>
                   3165:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3166:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3167:     <message></td><td></message>
1.294     albertel 3168:     <dropdown variable="REUSE_OLD_CODES">
                   3169:         $namechoice
                   3170:     </dropdown>
1.412     albertel 3171:     <message></td></tr></table></message>
1.424     foxr     3172:   </state>
1.284     albertel 3173:     $resource_selector
                   3174: CHOOSE_ANON2
1.481     albertel 3175:     }
                   3176: 
1.121     bowersj2 3177:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3178:     if (($perm{'pav'} 
1.482     albertel 3179: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3180: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3181: 	    ||
                   3182: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3183: 	     && 
                   3184: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3185: 	    )) 
                   3186: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3187: 	) {
1.238     bowersj2 3188: 
1.482     albertel 3189: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3190:         push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from current subdirectory [_3]','<b>','</b>','<b><i>'.$pretty_dir.'</i></b>','<b>','</b>'), 'problems_from_directory', 'CHOOSE_FROM_SUBDIR'];
1.139     bowersj2 3191:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3192:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3193: 
1.138     bowersj2 3194:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3195:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3196:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3197: CHOOSE_FROM_SUBDIR
                   3198:         
1.238     bowersj2 3199:         # this is broken up because I really want interpolation above,
                   3200:         # and I really DON'T want it below
1.139     bowersj2 3201:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3202:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3203: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3204:       </filefilter>
1.138     bowersj2 3205:       </files>
1.131     bowersj2 3206:     </state>
                   3207: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3208:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3209:     }
1.238     bowersj2 3210: 
                   3211:     # Allow the user to select any sequence in the course, feed it to
                   3212:     # another resource selector for that sequence
1.483     foxr     3213:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3214: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3215: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3216: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3217: 	#Escape apostrophes and backslashes for Perl
                   3218: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3219: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3220: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3221:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3222:     <message>Select the sequence to print resources from:</message>
                   3223:     <resource variable="SEQUENCE">
                   3224:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3225:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3226:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3227:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3228: 	</choicefunc>
1.238     bowersj2 3229:       </resource>
                   3230:     </state>
                   3231:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3232:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3233:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3234:               closeallpages="1">
1.238     bowersj2 3235:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3236:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3237:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3238:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3239:       $start_new_option
1.238     bowersj2 3240:       </resource>
                   3241:     </state>
                   3242: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3243: }
1.481     albertel 3244: 
1.131     bowersj2 3245:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3246:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3247:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3248:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3249:     Apache::lonhelper::message->new();
                   3250:     $paramHash = Apache::lonhelper::getParamHash();
                   3251:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3252:     $paramHash->{CHOICES} = $printChoices;
                   3253:     Apache::lonhelper::choices->new();
1.161     bowersj2 3254: 
1.223     bowersj2 3255:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3256:                           # to close it later)
                   3257: 
1.397     albertel 3258:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3259: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3260: 	&addMessage('<br />'
                   3261:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3262:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3263: #                  .&Apache::lonhtmlcommon::row_headline()
                   3264: #                  .'<h3>'.&mt('Print Options').'</h3>'
                   3265: #                  .&Apache::lonhtmlcommon::row_closure()
                   3266:                    .&Apache::lonhtmlcommon::row_title(
                   3267:                        '<label for="ANSWER_TYPE_forminput">'
                   3268:                       .&mt('Print Answers')
                   3269:                       .'</label>'
                   3270:                     )
                   3271:         );
1.161     bowersj2 3272:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3273: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3274: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3275:         $paramHash->{CHOICES} = [
1.242     sakharuk 3276:                                    ['Without Answers', 'yes'],
                   3277:                                    ['With Answers', 'no'],
1.368     albertel 3278:                                    ['Only Answers', 'only']
1.289     sakharuk 3279:                                 ];
1.210     sakharuk 3280:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3281: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3282: 	$startedTable = 1;
1.161     bowersj2 3283:     }
1.209     sakharuk 3284: 
1.397     albertel 3285:     if ($perm{'pav'}) {
1.223     bowersj2 3286: 	if (!$startedTable) {
1.497     www      3287: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3288:                        '<label for="LATEX_TYPE_forminput">'.
                   3289:                        &mt('LaTeX mode').
                   3290:                        "</label>: </td><td>");
1.223     bowersj2 3291: 	    $startedTable = 1;
                   3292: 	} else {
1.544     bisitz   3293: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3294:                            '<label for="LATEX_TYPE_forminput">'
                   3295:                            .&mt('LaTeX mode')
                   3296:                            .'</label>'
                   3297:                         )
                   3298:             );
1.223     bowersj2 3299: 	}
1.203     sakharuk 3300:         $paramHash = Apache::lonhelper::getParamHash();
                   3301: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3302: 	$helper->declareVar('LATEX_TYPE');  
                   3303: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3304: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3305: 				     ['standard LaTeX mode', 'standard'], 
                   3306: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3307: 	} else {
                   3308: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3309: 				     ['LaTeX batchmode', 'batchmode'],
                   3310: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3311: 	}
1.210     sakharuk 3312:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3313:  
1.544     bisitz   3314: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3315:                    .&Apache::lonhtmlcommon::row_title(
                   3316:                         '<label for="TABLE_CONTENTS_forminput">'
                   3317:                        .&mt('Print Table of Contents')
                   3318:                        .'</label>'
                   3319:                     )
                   3320:         );
1.209     sakharuk 3321:         $paramHash = Apache::lonhelper::getParamHash();
                   3322: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3323: 	$helper->declareVar('TABLE_CONTENTS');         
                   3324:         $paramHash->{CHOICES} = [
1.223     bowersj2 3325:                                    ['No', 'no'],
                   3326:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3327:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3328: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3329:         
1.220     sakharuk 3330: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3331: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3332:                             '<label for="TABLE_INDEX_forminput">'
                   3333:                            .&mt('Print Index')
                   3334:                            .'</label>'
                   3335:                         )
                   3336:             );
1.220     sakharuk 3337: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3338: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3339: 	    $helper->declareVar('TABLE_INDEX');         
                   3340: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3341: 				     ['No', 'no'],
                   3342: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3343: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3344:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3345:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3346:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3347:                            .&mt('Print Discussions')
                   3348:                            .'</label>'
                   3349:                         )
                   3350:             );
1.309     sakharuk 3351: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3352: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3353: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3354: 	    $paramHash->{CHOICES} = [
                   3355: 				     ['No', 'no'],
                   3356: 				     ['Yes', 'yes'] ];
                   3357: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3358:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3359: 
1.511     foxr     3360: 	    # Prompt for printing annotations too.
                   3361: 		
1.545     bisitz   3362: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3363:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3364:                            .&mt('Print Annotations')
                   3365:                            .'</label>'
                   3366:                         )
                   3367:             );
1.511     foxr     3368: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3369: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3370: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3371: 	    $paramHash->{CHOICES} = [
                   3372: 				     ['No', 'no'],
                   3373: 				     ['Yes', 'yes']];
                   3374: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3375:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3376: 
1.545     bisitz   3377:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3378: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3379: 	    $paramHash->{'multichoice'} = "true";
                   3380: 	    $paramHash->{'allowempty'}  = "true";
                   3381: 	    $paramHash->{'variable'}   = "showallfoils";
                   3382: 	    $paramHash->{'CHOICES'} = [ ["Show all foils", "1"] ];
                   3383: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3384:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3385: 	}
1.219     sakharuk 3386: 
1.230     albertel 3387: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3388: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3389:             my $randseedtext=&mt("Use random seed");
                   3390:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3391:             my $selectfiletext=&mt("Select style file");
1.497     www      3392: 
1.544     bisitz   3393: 	    my $xmlfrag .= '<message>'
                   3394:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3395:                                               .$randseedtext
                   3396:                                               .'</label>'
                   3397:              )
                   3398:             .'</message>
                   3399:             <string variable="curseed" size="15" maxlength="15">
                   3400:                 <defaultvalue>
                   3401:                    return '.$helper->{VARS}->{'curseed'}.';
                   3402:                 </defaultvalue>'
                   3403:             .'</string>'
                   3404:             .'<message>'
                   3405:             .&Apache::lonhtmlcommon::row_closure()
                   3406:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3407:                                               .$stylefiletext
                   3408:                                               .'</label>'
                   3409:              )
                   3410:             .'</message>
1.504     albertel 3411:              <string variable="style_file" size="40">
1.544     bisitz   3412:                 <defaultvalue>
                   3413:                     return '.$stylevalue.';
                   3414:                 </defaultvalue>
                   3415:              </string><message>&nbsp;'
                   3416: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   3417: .$selectfiletext.'</a>'
                   3418:             .&Apache::lonhtmlcommon::row_closure()
                   3419:             .&Apache::lonhtmlcommon::row_title(&mt('Show all foils'))
                   3420:             .'</message>
1.371     foxr     3421: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   3422:                 <choice computer="1">&nbsp;</choice>
                   3423:              </choices>'
                   3424: 	    .'<message>'
                   3425:             .&Apache::lonhtmlcommon::row_closure()
                   3426:             .'</message>';
1.230     albertel 3427:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3428: 
                   3429: 
1.544     bisitz   3430:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     3431: 	    #
                   3432: 	    # Initial value from construction space:
                   3433: 	    #
                   3434: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   3435: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   3436: 	    }
1.518     foxr     3437: 	    $xmlfrag = << "PROBTYPE";
                   3438: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   3439: 		   <defaultvalue>
                   3440: 		      return "$helper->{VARS}->{'probstatus'}";
                   3441:                    </defaultvalue>
                   3442: 		   <choice computer="problem">Homework Problem</choice>
                   3443: 		   <choice computer="exam">Exam Problem</choice>
                   3444: 		   <choice computer="survey">Survey question</choice>
                   3445: 		</dropdown>
                   3446: PROBTYPE
                   3447:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3448: 	    
1.544     bisitz   3449:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     3450: 
1.544     bisitz   3451:         }
1.223     bowersj2 3452:     }
1.264     sakharuk 3453: 
                   3454: 
                   3455: 
1.218     sakharuk 3456: 
1.223     bowersj2 3457:     if ($startedTable) {
1.544     bisitz   3458:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 3459:     }
1.161     bowersj2 3460: 
1.131     bowersj2 3461:     Apache::lonprintout::page_format_state->new("FORMAT");
                   3462: 
1.144     bowersj2 3463:     # Generate the PAGESIZE state which will offer the user the margin
                   3464:     # choices if they select one column
                   3465:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   3466:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   3467: 
                   3468: 
1.131     bowersj2 3469:     $helper->process();
                   3470: 
1.416     foxr     3471: 
1.131     bowersj2 3472:     # MANUAL BAILOUT CONDITION:
                   3473:     # If we're in the "final" state, bailout and return to handler
                   3474:     if ($helper->{STATE} eq 'FINAL') {
                   3475:         return $helper;
                   3476:     }    
1.130     sakharuk 3477: 
1.131     bowersj2 3478:     $r->print($helper->display());
1.395     www      3479:     if ($helper->{STATE} eq 'START') {
                   3480: 	&recently_generated($r);
                   3481:     }
1.333     albertel 3482:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 3483: 
                   3484:     return OK;
                   3485: }
                   3486: 
1.1       www      3487: 
                   3488: 1;
1.119     bowersj2 3489: 
                   3490: package Apache::lonprintout::page_format_state;
                   3491: 
                   3492: =pod
                   3493: 
1.131     bowersj2 3494: =head1 Helper element: page_format_state
                   3495: 
                   3496: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 3497: 
1.131     bowersj2 3498: Apache::lonprintout::page_format_state is an element that gives the 
                   3499: user an opportunity to select the page layout they wish to print 
                   3500: with: Number of columns, portrait/landscape, and paper size. If you 
                   3501: want to change the paper size choices, change the @paperSize array 
                   3502: contents in this package.
1.119     bowersj2 3503: 
1.131     bowersj2 3504: page_format_state is always directly invoked in lonprintout.pm, so there
                   3505: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 3506: 
                   3507: =over 4
                   3508: 
1.131     bowersj2 3509: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 3510: 
                   3511: =back
                   3512: 
                   3513: =cut
                   3514: 
1.131     bowersj2 3515: use Apache::lonhelper;
1.119     bowersj2 3516: 
                   3517: no strict;
1.131     bowersj2 3518: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 3519: use strict;
1.266     sakharuk 3520: use Apache::lonlocal;
1.373     albertel 3521: use Apache::lonnet;
1.119     bowersj2 3522: 
                   3523: my $maxColumns = 2;
1.376     albertel 3524: # it'd be nice if these all worked
                   3525: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   3526: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   3527: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   3528: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 3529: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 3530: 		 "a4 [210x297 mm]");
1.119     bowersj2 3531: 
                   3532: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   3533: #                   Paper type
                   3534: 
                   3535: sub new { 
1.131     bowersj2 3536:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 3537: 
1.135     bowersj2 3538:     shift;
                   3539: 
1.131     bowersj2 3540:     $self->{'variable'} = shift;
1.134     bowersj2 3541:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 3542:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 3543:     bless($self);
1.119     bowersj2 3544:     return $self;
                   3545: }
                   3546: 
                   3547: sub render {
                   3548:     my $self = shift;
1.131     bowersj2 3549:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 3550:     my $result = '';
1.131     bowersj2 3551:     my $var = $self->{'variable'};
1.266     sakharuk 3552:     my $PageLayout=&mt('Page layout');
                   3553:     my $NumberOfColumns=&mt('Number of columns');
                   3554:     my $PaperType=&mt('Paper type');
1.506     albertel 3555:     my $landscape=&mt('Landscape');
                   3556:     my $portrait=&mt('Portrait');
1.539     onken    3557:     my $pdfFormLabel=&mt('PDF-Formfields');
                   3558:     my $with=&mt('with Formfields');
                   3559:     my $without=&mt('without Formfields');
1.544     bisitz   3560:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   3561:             .&Apache::loncommon::start_data_table()
                   3562:             .&Apache::loncommon::start_data_table_header_row()
                   3563:             .'<th>'.$PageLayout.'</th>'
                   3564:             .'<th>'.$NumberOfColumns.'</th>'
                   3565:             .'<th>'.$PaperType.'</th>'
                   3566:             .'<th>'.$pdfFormLabel.'</th>'
                   3567:             .&Apache::loncommon::end_data_table_header_row()
                   3568:             .&Apache::loncommon::start_data_table_row()
                   3569:     .'<td>'
                   3570:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   3571:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   3572:     .'</td>';
1.119     bowersj2 3573: 
1.544     bisitz   3574:     $result.='<td align="center">'
                   3575:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 3576: 
                   3577:     my $i;
                   3578:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 3579:         if ($i == 2) {
1.553     bisitz   3580:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 3581:         } else {
1.553     bisitz   3582:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 3583:         }
                   3584:     }
                   3585: 
                   3586:     $result .= "</select></td><td>\n";
                   3587:     $result .= "<select name='${var}.paper'>\n";
                   3588: 
1.373     albertel 3589:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 3590:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   3591:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 3592:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 3593:     $i = 0;
                   3594:     foreach (@paperSize) {
1.326     sakharuk 3595: 	$_=~/(\w+)/;
                   3596: 	my $papersize=$1;
1.304     sakharuk 3597:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   3598:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 3599:         } else {
1.553     bisitz   3600:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 3601:         }
                   3602:         $i++;
                   3603:     }
1.539     onken    3604:     $result .= <<HTML;
                   3605:         </select>
                   3606:     </td>
                   3607:     <td align='center'>
                   3608:         <select name='${var}.pdfFormFields'>
1.553     bisitz   3609:             <option selected="selected" value="no">$without</option>
                   3610:             <option value="yes">$with</option>
1.539     onken    3611:         </select>
                   3612:     </td>
                   3613: HTML
1.544     bisitz   3614:     $result.=&Apache::loncommon::end_data_table_row()
                   3615:             .&Apache::loncommon::end_data_table();
1.539     onken    3616: 
1.119     bowersj2 3617:     return $result;
1.135     bowersj2 3618: }
                   3619: 
                   3620: sub postprocess {
                   3621:     my $self = shift;
                   3622: 
                   3623:     my $var = $self->{'variable'};
1.136     bowersj2 3624:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 3625:     $helper->{VARS}->{$var} = 
1.373     albertel 3626:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    3627:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 3628:     return 1;
1.119     bowersj2 3629: }
                   3630: 
                   3631: 1;
1.144     bowersj2 3632: 
                   3633: package Apache::lonprintout::page_size_state;
                   3634: 
                   3635: =pod
                   3636: 
                   3637: =head1 Helper element: page_size_state
                   3638: 
                   3639: See lonhelper.pm documentation for discussion of the helper framework.
                   3640: 
                   3641: Apache::lonprintout::page_size_state is an element that gives the 
                   3642: user the opportunity to further refine the page settings if they
                   3643: select a single-column page.
                   3644: 
                   3645: page_size_state is always directly invoked in lonprintout.pm, so there
                   3646: is no tag interface. You actually pass parameters to the constructor.
                   3647: 
                   3648: =over 4
                   3649: 
                   3650: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   3651: 
                   3652: =back
                   3653: 
                   3654: =cut
                   3655: 
                   3656: use Apache::lonhelper;
1.373     albertel 3657: use Apache::lonnet;
1.144     bowersj2 3658: no strict;
                   3659: @ISA = ("Apache::lonhelper::element");
                   3660: use strict;
                   3661: 
                   3662: 
                   3663: 
                   3664: sub new { 
                   3665:     my $self = Apache::lonhelper::element->new();
                   3666: 
                   3667:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   3668:            # package descriptor)... - Jeremy
                   3669: 
                   3670:     $self->{'variable'} = shift;
                   3671:     my $helper = Apache::lonhelper::getHelper();
                   3672:     $helper->declareVar($self->{'variable'});
                   3673: 
                   3674:     # The variable name of the format element, so we can look into 
                   3675:     # $helper->{VARS} to figure out whether the columns are one or two
                   3676:     $self->{'formatvar'} = shift;
                   3677: 
1.463     foxr     3678: 
1.144     bowersj2 3679:     $self->{NEXTSTATE} = shift;
                   3680:     bless($self);
1.467     foxr     3681: 
1.144     bowersj2 3682:     return $self;
                   3683: }
                   3684: 
                   3685: sub render {
                   3686:     my $self = shift;
                   3687:     my $helper = Apache::lonhelper::getHelper();
                   3688:     my $result = '';
                   3689:     my $var = $self->{'variable'};
                   3690: 
1.467     foxr     3691: 
                   3692: 
1.144     bowersj2 3693:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 3694:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 3695:     }
                   3696: 
1.438     foxr     3697:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     3698: 
                   3699:     # Use format to get sensible defaults for the margins:
                   3700: 
                   3701: 
                   3702:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3703:     ($papersize)                      = split(/ /, $papersize);
                   3704: 
                   3705: 
                   3706:     if ($laystyle eq 'L') {
                   3707: 	$laystyle = 'album';
                   3708:     } else {
                   3709: 	$laystyle = 'book';
                   3710:     }
                   3711: 
                   3712: 
1.464     albertel 3713:     my %size;
                   3714:     ($size{'width_and_units'},
                   3715:      $size{'height_and_units'},
                   3716:      $size{'margin_and_units'})=
                   3717: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     3718:     
1.464     albertel 3719:     foreach my $dimension ('width','height','margin') {
                   3720: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   3721: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   3722:        	
                   3723: 	foreach my $unit ('cm','in') {
                   3724: 	    $size{$dimension.'_options'} .= '<option ';
                   3725: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   3726: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   3727: 	    }
                   3728: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   3729: 	}
1.438     foxr     3730:     }
                   3731: 
1.470     foxr     3732:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   3733: 
                   3734:     if ($size{'margin_unit'} eq 'in') {
                   3735: 	$size{'margin'} += 1;
                   3736:     }  else {
                   3737: 	$size{'margin'} += 2.54;
                   3738:     }
1.548     bisitz   3739:     my %lt = &Apache::lonlocal::texthash(
                   3740:         'format' => 'How should each column be formatted?',
                   3741:         'width'  => 'Width',
                   3742:         'height' => 'Height',
                   3743:         'margin' => 'Left Margin'
                   3744:     );
                   3745: 
                   3746:     $result .= '<p>'.$lt{'format'}.'</p>'
                   3747:               .&Apache::lonhtmlcommon::start_pick_box()
                   3748:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   3749:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   3750:               .'<select name="'.$var.'.widthunit">'
                   3751:               .$size{'width_options'}
                   3752:               .'</select>'
                   3753:               .&Apache::lonhtmlcommon::row_closure()
                   3754:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   3755:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   3756:               .'<select name="'.$var.'.heightunit">'
                   3757:               .$size{'height_options'}
                   3758:               .'</select>'
                   3759:               .&Apache::lonhtmlcommon::row_closure()
                   3760:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   3761:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   3762:               .'<select name="'.$var.'.lmarginunit">'
                   3763:               .$size{'margin_options'}
                   3764:               .'</select>'
                   3765:               .&Apache::lonhtmlcommon::row_closure(1)
                   3766:               .&Apache::lonhtmlcommon::end_pick_box();
                   3767:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   3768:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 3769: 
                   3770:     return $result;
                   3771: }
                   3772: 
1.470     foxr     3773: 
1.144     bowersj2 3774: sub preprocess {
                   3775:     my $self = shift;
                   3776:     my $helper = Apache::lonhelper::getHelper();
                   3777: 
                   3778:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     3779: 
                   3780:     #  If the user does not have 'pav' privilege, set default widths and
                   3781:     #  on to the next state right away.
                   3782:     #
                   3783:     if (!$perm{'pav'}) {
                   3784: 	my $var = $self->{'variable'};
                   3785: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   3786: 	
                   3787: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   3788: 	($papersize)                      = split(/ /, $papersize);
                   3789: 	
                   3790: 	
                   3791: 	if ($laystyle eq 'L') {
                   3792: 	    $laystyle = 'album';
                   3793: 	} else {
                   3794: 	    $laystyle = 'book';
                   3795: 	}
                   3796: 	#  Figure out some good defaults for the print out and set them:
                   3797: 	
                   3798: 	my %size;
                   3799: 	($size{'width'},
                   3800: 	 $size{'height'},
                   3801: 	 $size{'lmargin'})=
                   3802: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   3803: 	
                   3804: 	foreach my $dim ('width', 'height', 'lmargin') {
                   3805: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     3806: 	    	    
1.467     foxr     3807: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   3808: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   3809: 	    
                   3810: 	}
                   3811: 	
                   3812: 
                   3813: 	# Transition to the next state
                   3814: 
                   3815: 	$helper->changeState($self->{NEXTSTATE});
                   3816:     }
1.144     bowersj2 3817:    
                   3818:     return 1;
                   3819: }
                   3820: 
                   3821: sub postprocess {
                   3822:     my $self = shift;
                   3823: 
                   3824:     my $var = $self->{'variable'};
                   3825:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 3826:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   3827:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   3828:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   3829:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   3830:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   3831:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 3832: 
                   3833:     my $error = '';
                   3834: 
                   3835:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   3836:     # by an optional period, followed by digits, ending the string
                   3837: 
1.464     albertel 3838:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3839:         $error .= "Invalid width; please type only a number.<br />\n";
                   3840:     }
1.464     albertel 3841:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3842:         $error .= "Invalid height; please type only a number.<br />\n";
                   3843:     }
1.464     albertel 3844:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 3845:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     3846:     } else {
                   3847: 	# Adjust for LaTeX 1.0 inch margin:
                   3848: 
                   3849: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   3850: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   3851: 	} else {
                   3852: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   3853: 	}
1.144     bowersj2 3854:     }
                   3855: 
                   3856:     if (!$error) {
                   3857:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   3858:         return 1;
                   3859:     } else {
                   3860:         $self->{ERROR_MSG} = $error;
                   3861:         return 0;
                   3862:     }
                   3863: }
                   3864: 
                   3865: 
1.119     bowersj2 3866: 
1.1       www      3867: __END__
1.6       sakharuk 3868: 

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