Annotation of loncom/interface/lonprintout.pm, revision 1.568.4.2

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.568.4.2! raeburn     5: # $Id: lonprintout.pm,v 1.568.4.1 2010/02/25 04:37:28 raeburn Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     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: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
                     79: #  Returns the text needd for a student chooser.
                     80: #  that text must still be parsed by the helper xml parser.
                     81: # Parameters:
                     82: #   this_state   - State name of the chooser.
                     83: #   sort_choice  - variable to hold the sorting choice.
                     84: #   variable     - Name of variable to hold students.
                     85: #   next_state   - State after chooser.
                     86: 
                     87: 
                     88: sub generate_student_chooser {
                     89:     my ($this_state, 
                     90: 	$sort_choice, 
                     91: 	$variable, 
                     92: 	$next_state) = @_;
                     93:     my $result = <<CHOOSE_STUDENTS;
                     94:   <state name="$this_state" title="Select Students and Resources">
                     95:       <message><b>Select sorting order of printout</b> </message>
                     96: 
                     97:     <choices variable="$sort_choice">
                     98:       <choice computer='0'>Sort by section then student</choice>
                     99:       <choice computer='1'>Sort by students across sections.</choice>
                    100:     </choices>
                    101: 
                    102:       <message><br /><hr /><br /> </message>
                    103:       <student multichoice='1' 
                    104:                variable="$variable" 
                    105:                nextstate="$next_state" 
                    106:                coursepersonnel="1" />
                    107:   </state>
                    108: 
                    109: CHOOSE_STUDENTS
                    110: 
                    111:   return $result;
                    112: }
                    113: 
                    114: # Generate the text needed for a resource chooser given the top level of
                    115: # the sequence/page
                    116: #
                    117: # Parameters:
                    118: #     this_state    - State name of the chooser.
                    119: #     prompt_text   - Text to use to prompt user.
                    120: #     resource_options - Resource tag options e.g.
                    121: #                        "multichoice='1', toponly='1', addstatus='1'"
                    122: #                     that control the selection and appearance of the
                    123: #                     resource selector.
                    124: #     variable      - Name of the variable to hold the choice
                    125: #     next_state    - Name of the next state the helper should transition
                    126: #                     to
                    127: #     top_url       - Top level URL within which to make the selector.
                    128: #                     If empty the top level sequence is shown.
                    129: #     filter        - How to filter the resources.
                    130: #     value_func    - <valuefunc> function.
                    131: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    132: #     start_new_option 
                    133: #                   - Fragment appended after valuefunc.
                    134: #
                    135: #
                    136: sub generate_resource_chooser {
                    137:     my ($this_state,
                    138: 	$prompt_text,
                    139: 	$resource_options,
                    140: 	$variable,
                    141: 	$next_state,
                    142: 	$top_url,
                    143: 	$filter,
                    144: 	$choice_func,
                    145: 	$value_func,
                    146: 	$start_new_option)  = @_;
                    147: 
                    148:     my $result = <<CHOOSE_RESOURCES;
                    149: <state name="$this_state" title="$prompt_text">
                    150:     <resource variable="$variable" $resource_options
                    151:               closeallpages="1">
                    152:       <nextstate>$next_state</nextstate>
                    153:       <filterfunc>return $filter;</filterfunc>
                    154: CHOOSE_RESOURCES
                    155:     if ($choice_func ne '') {
                    156: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    157:     }
                    158:     if ($top_url ne '') {
                    159: 	$result .=  "<mapurl>$top_url</mapurl>";
                    160:     }
                    161:     $result .= <<CHOOSE_RESOURCES;
                    162:       <valuefunc>return $value_func;</valuefunc>
                    163:       $start_new_option
                    164:       </resource>
                    165:     </state>
                    166: CHOOSE_RESOURCES
                    167: 
                    168:     return $result;
                    169: }
                    170: #
                    171: #   Generate the helper XML for a code choice helper dialog:
                    172: #
                    173: # Paramters:
                    174: #   $helper       - Reference to the helper.
                    175: #   $state        - Name of the state for the chooser.
                    176: #   $next_state   - Name fo the state to follow the chooser.
                    177: #   $bubble_types - Populates the bubble sheet type dropt down.
                    178: #   $code_selections - Provides set of code choices that have been used
                    179: #   $saved_codes  - Provides the list of saved codes.
                    180: #
                    181: # Returns;
                    182: #   The Xml of the code chooser.
                    183: #
                    184: sub generate_code_selector {
                    185:     my ($helper,
                    186: 	$state,
                    187: 	$next_state,
                    188: 	$bubble_types,
                    189: 	$code_selections,
                    190: 	$saved_codes) = @_;	# Unpack the parameters.
                    191: 
                    192:     my $result = <<CHOOSE_ANON1;
                    193:   <state name="$state" title="Specify CODEd Assignments">
                    194:     <nextstate>$next_state</nextstate>
                    195:     <message><h4>Fill out one of the forms below</h4></message>
                    196:     <message><br /><hr /> <br /></message>
                    197:     <message><h3>Generate new CODEd Assignments</h3></message>
                    198:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
                    199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                    200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                    204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    205: 	    return "You need to specify the number of assignments to print";
                    206: 	}
                    207: 	return undef;
                    208:        </validator>
                    209:     </string>
                    210:     <message></td></tr><tr><td></message>
                    211:     <message><b>Names to save the CODEs under for later:</b></message>
                    212:     <message></td><td></message>
                    213:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    214:     <message></td></tr><tr><td></message>
                    215:     <message><b>Bubble sheet type:</b></message>
                    216:     <message></td><td></message>
                    217:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    218:     $bubble_types
                    219:     </dropdown>
                    220:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    221:     <message></td></tr><tr><td></table></message>
                    222:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    223:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    224:     <string variable="SINGLE_CODE" size="10">
                    225:         <validator>
                    226: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    227: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    228: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    229: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    230: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                    231: 	   } else {
                    232: 	       return undef;	# Other forces control us.
                    233: 	   }
                    234:         </validator>
                    235:     </string>
                    236:     <message></td></tr><tr><td></message>
                    237:         $code_selections
                    238:     <message></td></tr></table></message>
                    239:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    240:     <message><b>Select saved CODEs:</b></message>
                    241:     <message></td><td></message>
                    242:     <dropdown variable="REUSE_OLD_CODES">
                    243:         $saved_codes
                    244:     </dropdown>
                    245:     <message></td></tr></table></message>
                    246:   </state>
                    247: CHOOSE_ANON1
                    248: 
                    249:    return $result;
                    250: }
                    251: 
                    252: #-----------------------------------------------------------------------
                    253: 
1.515     foxr      254: 
1.498     foxr      255: # Fetch the contents of a resource, uninterpreted.
                    256: # This is used here to fetch a latex file to be included
                    257: # verbatim into the printout<
                    258: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    259: #
                    260: # Parameters:
                    261: #   URL of the file
                    262: #
                    263: sub fetch_raw_resource {
                    264:     my ($url) = @_;
                    265: 
                    266:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      267:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      268: 
1.500     foxr      269:     if ($contents == -1) {
                    270: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      271:     }
1.500     foxr      272:     return $contents;
1.498     foxr      273: 
                    274:     
                    275: }
                    276: 
1.511     foxr      277: #  Fetch the annotations associated with a URL and 
                    278: #  put a centered 'annotations:' title.
                    279: #  This is all suppressed if the annotations are empty.
                    280: #
                    281: sub annotate {
                    282:     my ($symb) = @_;
                    283: 
1.559     foxr      284:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      285: 
                    286: 
                    287:     my $result = "";
                    288: 
                    289:     if (length($annotation_text) > 0) {
                    290: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    291: 	$result .= "\n";
                    292: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    293: 	$result .= "\n\n";
                    294:     }
                    295:     return $result;
                    296: }
                    297: 
1.556     foxr      298: #
                    299: #   Set a global document font size:
                    300: #   This is done by replacing \begin{document}
                    301: #   with \begin{document}{\some-font-directive
                    302: #   and \end{document} with
                    303: #   }\end{document
                    304: #
                    305: sub set_font_size {
                    306: 
                    307:     my ($text) = @_;
                    308: 
                    309:     $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    310:     $text =~ s/\\end{document}/}\\end{document}/;
                    311:     return $text;
                    312: 
                    313: 
                    314: }
                    315: 
1.550     foxr      316: # include_pdf - PDF files are included into the 
                    317: # output as follows:
                    318: #  - The PDF, if necessary, is replicated.
                    319: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    320: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    321: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    322: #
                    323: # Parameters:
                    324: #   pdf_uri   - URI of the PDF file to include.
                    325: #   
                    326: # Returns:
                    327: #  The LaTeX to include.
                    328: #
                    329: # Assumptions:
                    330: #    The uri is actually a PDF file
                    331: #    The postscript will have the includepsheader.ps included.
                    332: #
                    333: #
                    334: sub include_pdf {
                    335:     my ($pdf_uri) = @_;
                    336: 
                    337:     # Where is the file? If not local we'll need to repcopy it:'
                    338: 
                    339:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    340:     if (! -e $file) {
                    341: 	&Apache::lonnet::repcopy($file);
                    342: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    343:     }
                    344: 
                    345:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    346:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    347:     # need tob e converted for this print job:
                    348: 
                    349:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    350: 
                    351:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    352:     print FILE ("$file\n");
                    353:     close (FILE);
                    354: 
                    355:     # Construct the special to put out.  To do this we need to get the
                    356:     # resulting filename after conversion.  The file will have the same name
                    357:     # but will be in the user's spool directory with converted images.
                    358: 
                    359:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    360:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    361: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    362:     $base =~ s/ /\_/g;
                    363: 
                    364: 
1.551     foxr      365:     my $output = &print_latex_header();
1.550     foxr      366:     $output    .= '\special{ps: _begin_job_ ('
                    367: 	.$base.'.pdf.eps'.
                    368: 	')run _end_job_}';
                    369: 
                    370:     return $output;
                    371: 
                    372: 
                    373: }
                    374: 
1.515     foxr      375: 
                    376: #
1.559     foxr      377: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      378: #                      if the ssi call returns an error we'll retry it up to
                    379: #                      the number of times requested by the caller.
                    380: #                      If we still have a proble, no text is appended to the
                    381: #                      output and we set some global variables.
1.523     raeburn   382: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      383: #                      All of this is supposed to deal with the issues described
                    384: #                      in LonCAPA BZ 5631 see:
                    385: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    386: #                      by informing the user that this happened.
                    387: #
                    388: # Parameters:
                    389: #   resource   - The resource to include.  This is passed directly, without
                    390: #                interpretation to lonnet::ssi.
                    391: #   form       - The form hash parameters that guide the interpretation of the resource
                    392: #                
                    393: #   retries    - Number of retries allowed before giving up completely.
                    394: # Returns:
                    395: #   On success, returns the rendered resource identified by the resource parameter.
                    396: # Side Effects:
                    397: #   The following global variables can be set:
1.523     raeburn   398: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      399: #                               It is up to the caller to initialize this to false
                    400: #                               if desired.
1.523     raeburn   401: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      402: #                               of the resource that could not be rendered by the ssi
                    403: #                               call.
                    404: #    ssi_last_error           - The error string fetched from the ssi response
                    405: #                               in the event of an error.
                    406: #
                    407: sub ssi_with_retries {
                    408:     my ($resource, $retries, %form) = @_;
                    409: 
1.559     foxr      410:     my $target = $form{'grade_target'};
                    411:     my $aom    = $form{'answer_output_mode'};
                    412: 
                    413: 
1.515     foxr      414: 
1.516     foxr      415:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    416:     if (!$response->is_success) {
1.515     foxr      417: 	$ssi_error               = 1;
                    418: 	$ssi_last_error_resource = $resource;
1.516     foxr      419: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   420:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      421: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      422:     }
1.516     foxr      423: 
                    424:     return $content;
                    425: 
1.515     foxr      426: }
                    427: 
1.524     www       428: sub get_student_view_with_retries {
                    429:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    430: 
                    431:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    432:     if (!$response->is_success) {
                    433:         $ssi_error               = 1;
1.526     www       434:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       435:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   436:         $content='\section*{!!! An error occurred !!!}';
1.526     www       437:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       438:     }
                    439:     return $content;
                    440: 
                    441: }
                    442: 
1.486     foxr      443: #
                    444: #   printf_style_subst  item format_string repl
                    445: #  
                    446: # Does printf style substitution for a format string that
                    447: # can have %[n]item in it.. wherever, %[n]item occurs,
                    448: # rep is substituted in format_string.  Note that
                    449: # [n] is an optional integer length.  If provided,
                    450: # repl is truncated to at most [n] characters prior to 
                    451: # substitution.
                    452: #
                    453: sub printf_style_subst {
                    454:     my ($item, $format_string, $repl) = @_;
1.490     foxr      455:     my $result = "";
                    456:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  457: 	my $fmt = $1;
                    458: 	my $size = $2;
1.486     foxr      459: 	my $subst = $repl;
                    460: 	if ($size ne "") {
                    461: 	    $subst = substr($subst, 0, $size);
1.490     foxr      462: 	    
                    463: 	    #  Here's a nice edge case.. supose the end of the
                    464: 	    #  substring is a \.  In that case may have  just
                    465: 	    #  chopped off a TeX escape... in that case, we append
                    466: 	    #   " " for the trailing character, and let the field 
                    467: 	    #  spill over a bit (sigh).
                    468: 	    #  We don't just chop off the last character in order to deal
                    469: 	    #  with one last pathology, and that would be if substr had
                    470: 	    #  trimmed us to e.g. \\\  
                    471: 
                    472: 
                    473: 	    if ($subst =~ /\\$/) {
                    474: 		$subst .= " ";
                    475: 	    }
1.486     foxr      476: 	}
1.490     foxr      477: 	my $item_pos = pos($format_string);
                    478: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    479:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      480:     }
1.490     foxr      481: 
                    482:     # Put the residual format string into the result:
                    483: 
                    484:     $result .= $format_string;
                    485: 
                    486:     return $result;
1.486     foxr      487: }
                    488: 
1.454     foxr      489: 
                    490: # Format a header according to a format.  
                    491: # 
                    492: 
                    493: # Substitutions:
                    494: #     %a    - Assignment name.
                    495: #     %c    - Course name.
                    496: #     %n    - Student name.
1.537     foxr      497: #     %s    - The section if it is supplied.
1.454     foxr      498: #
                    499: sub format_page_header {
1.537     foxr      500:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    501: 
1.565     foxr      502: 
                    503: 
1.486     foxr      504:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      505:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    506: 
1.454     foxr      507:     #  Default format?
                    508: 
                    509:     if ($format eq '') {
1.486     foxr      510: 	# For the default format, we may need to truncate
                    511: 	# elements..  To do this we need to get the page width.
                    512: 	# we assume that each character is about 2mm in width.
                    513: 	# (correct for the header text size??).  We ignore
                    514: 	# any formatting (e.g. boldfacing in this).
                    515: 	# 
                    516: 	# - Allow the student/course to be one line.
                    517: 	#   but only truncate the course.
                    518: 	# - Allow the assignment to be 2 lines (wrapped).
                    519: 	#
1.565     foxr      520: 
1.537     foxr      521: 	
                    522: 
                    523: 	my $name_length    = int($chars_per_line *3 /4);
                    524: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      525: 
1.537     foxr      526: 	$format  = "%$name_length".'n';
1.486     foxr      527: 
1.537     foxr      528: 	if ($section) {
                    529: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      530: 	}
1.489     foxr      531: 
1.537     foxr      532: 	$format .= '\\\\%c \\\\ %a';
                    533:         
1.490     foxr      534: 
1.454     foxr      535:     }
1.537     foxr      536:     # An open question is how to handle long user formatted page headers...
                    537:     # A possible future is to support e.g. %na so that the user can control
                    538:     # the truncation of the elements that can appear in the header.
                    539:     #
                    540:     $format =  &printf_style_subst("a", $format, $assignment);
                    541:     $format =  &printf_style_subst("c", $format, $course);
                    542:     $format =  &printf_style_subst("n", $format, $student);
                    543:     $format =  &printf_style_subst("s", $format, $section);
                    544:     
                    545:     
                    546:     # If the user put %'s in the format string, they  must be escaped
                    547:     # to \% else LaTeX will think they are comments and terminate
                    548:     # the line.. which is bad!!!
                    549:     
1.538     onken     550:     # If the user has role author, $course and $assignment are empty so
                    551:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    552:     if($format =~ /\\\\\s\\\\\s/) {
                    553:         #TODO find sensible caption for page header
                    554:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    555:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    556:     }
1.565     foxr      557:     #
                    558:     #  We're going to trust LaTeX to break lines appropriately, but
                    559:     #  we'll truncate anything that's more than 3 lines worth of
                    560:     # text.  This is also assuming (which will probably end badly)
                    561:     # nobody's going to embed LaTeX control sequences in the title
                    562:     # header or rather that those control sequences won't get broken
                    563:     # by the stuff below.
                    564:     #
                    565:     my $total_length = 3*$chars_per_line;
                    566:     if (length($format) > $total_length) {
                    567: 	$format = substr($format, 0, $total_length);
                    568:     }
                    569: 
1.454     foxr      570: 
                    571:     return $format;
                    572:     
                    573: }
1.397     albertel  574: 
1.385     foxr      575: #
                    576: #   Convert a numeric code to letters
                    577: #
                    578: sub num_to_letters {
                    579:     my ($num) = @_;
                    580:     my @nums= split('',$num);
                    581:     my @num_to_let=('A'..'Z');
                    582:     my $word;
                    583:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    584:     return $word;
                    585: }
                    586: #   Convert a letter code to numeric.
                    587: #
                    588: sub letters_to_num {
                    589:     my ($letters) = @_;
                    590:     my @letters = split('', uc($letters));
1.490     foxr      591:    my %substitution;
1.385     foxr      592:     my $digit = 0;
                    593:     foreach my $letter ('A'..'J') {
                    594: 	$substitution{$letter} = $digit;
                    595: 	$digit++;
                    596:     }
                    597:     #  The substitution is done as below to preserve leading
                    598:     #  zeroes which are needed to keep the code size exact
                    599:     #
                    600:     my $result ="";
                    601:     foreach my $letter (@letters) {
                    602: 	$result.=$substitution{$letter};
                    603:     }
                    604:     return $result;
                    605: }
                    606: 
1.383     foxr      607: #  Determine if a code is a valid numeric code.  Valid
                    608: #  numeric codes must be comprised entirely of digits and
1.384     albertel  609: #  have a correct number of digits.
1.383     foxr      610: #
                    611: #  Parameters:
                    612: #     value      - proposed code value.
1.384     albertel  613: #     num_digits - Number of digits required.
1.383     foxr      614: #
                    615: sub is_valid_numeric_code {
1.384     albertel  616:     my ($value, $num_digits) = @_;
1.383     foxr      617:     #   Remove leading/trailing whitespace;
1.387     foxr      618:     $value =~ s/^\s*//g;
                    619:     $value =~ s/\s*$//g;
1.383     foxr      620:     
                    621:     #  All digits?
1.387     foxr      622:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      623: 	return "Numeric code $value has invalid characters - must only be digits";
                    624:     }
1.384     albertel  625:     if (length($value) != $num_digits) {
                    626: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    627:     }
1.385     foxr      628:     return undef;
1.383     foxr      629: }
                    630: #   Determines if a code is a valid alhpa code.  Alpha codes
                    631: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  632: #   They also have a correct digit count.
1.383     foxr      633: # Parameters:
                    634: #     value          - Proposed code value.
1.384     albertel  635: #     num_letters    - correct number of letters.
1.383     foxr      636: # Note:
                    637: #    leading and trailing whitespace are ignored.
                    638: #
                    639: sub is_valid_alpha_code {
1.384     albertel  640:     my ($value, $num_letters) = @_;
1.383     foxr      641:     
                    642:      # strip leading and trailing spaces.
                    643: 
                    644:     $value =~ s/^\s*//g;
                    645:     $value =~ s/\s*$//g;
                    646: 
                    647:     #  All alphas in the right range?
1.384     albertel  648:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      649: 	return "Invalid letter code $value must only contain A-J";
                    650:     }
1.384     albertel  651:     if (length($value) != $num_letters) {
                    652: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    653:     }
1.385     foxr      654:     return undef;
1.383     foxr      655: }
                    656: 
1.382     foxr      657: #   Determine if a code entered by the user in a helper is valid.
                    658: #   valid depends on the code type and the type of code selected.
                    659: #   The type of code selected can either be numeric or 
                    660: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    661: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    662: #   We'll be nice and be case insensitive for alpha codes.
                    663: # Parameters:
                    664: #    code_value    - the value of the code the user typed in.
                    665: #    code_option   - The code type selected from the set in the scantron format
                    666: #                    table.
                    667: # Returns:
                    668: #    undef         - The code is valid.
                    669: #    other         - An error message indicating what's wrong.
                    670: #
                    671: sub is_code_valid {
                    672:     my ($code_value, $code_option) = @_;
1.383     foxr      673:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   674:     my @lines = &Apache::grades::get_scantronformat_file();
                    675:     foreach my $line (@lines) {
1.383     foxr      676: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    677: 	if($name eq $code_option) {
                    678: 	    $code_length = $length;
                    679: 	    if($type eq 'number') {
                    680: 		$code_type = 'number';
                    681: 	    }
                    682: 	}
                    683:     }
                    684:     my $valid;
                    685:     if ($code_type eq 'number') {
1.385     foxr      686: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      687:     } else {
1.385     foxr      688: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      689:     }
1.382     foxr      690: 
                    691: }
                    692: 
1.341     foxr      693: #   Compare two students by name.  The students are in the form
                    694: #   returned by the helper:
                    695: #      user:domain:section:last,   first:status
                    696: #   This is a helper function for the perl sort built-in  therefore:
                    697: # Implicit Inputs:
                    698: #    $a     - The first element to compare (global)
                    699: #    $b     - The second element to compare (global)
                    700: # Returns:
                    701: #   -1   - $a < $b
                    702: #    0   - $a == $b
                    703: #   +1   - $a > $b
                    704: #   Note that the initial comparison is done on the last names with the
                    705: #   first names only used to break the tie.
                    706: #
                    707: #
                    708: sub compare_names {
                    709:     #  First split the names up into the primary fields.
                    710: 
                    711:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    712:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    713: 
                    714:     # Now split the last name and first name of each n:
                    715:     #
                    716: 
                    717:     my ($l1,$f1) = split(/,/, $n1);
                    718:     my ($l2,$f2) = split(/,/, $n2);
                    719: 
                    720:     # We don't bother to remove the leading/trailing whitespace from the
                    721:     # firstname, unless the last names compare identical.
                    722: 
                    723:     if($l1 lt $l2) {
                    724: 	return -1;
                    725:     }
                    726:     if($l1 gt $l2) {
                    727: 	return  1;
                    728:     }
                    729: 
                    730:     # Break the tie on the first name, but there are leading (possibly trailing
                    731:     # whitespaces to get rid of first 
                    732:     #
                    733:     $f1 =~ s/^\s+//;		# Remove leading...
                    734:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    735:     
                    736:     $f2 =~ s/^\s+//;
                    737:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    738: 
                    739:     if($f1 lt $f2) {
                    740: 	return -1;
                    741:     }
                    742:     if($f1 gt $f2) {
                    743: 	return 1;
                    744:     }
                    745:     
                    746:     #  Must be the same name.
                    747: 
                    748:     return 0;
                    749: }
                    750: 
1.71      sakharuk  751: sub latex_header_footer_remove {
                    752:     my $text = shift;
                    753:     $text =~ s/\\end{document}//;
                    754:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    755:     return $text;
                    756: }
1.423     foxr      757: #
                    758: #  If necessary, encapsulate text inside 
                    759: #  a minipage env.
                    760: #  necessity is determined by the problem_split param.
                    761: #
                    762: sub encapsulate_minipage {
                    763:     my ($text) = @_;
1.427     albertel  764:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      765: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    766:     }
                    767:     return $text;
                    768: }
1.429     foxr      769: #
                    770: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    771: #  variables interact, this sub looks at these two parameters
                    772: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    773: #     all     - if SPLIT_PDFS eq 'all'.
                    774: #     1       - if SPLIT_PDFS eq 'oneper'
                    775: #     section - if SPLIT_PDFS eq 'sections'
                    776: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    777: #
                    778: sub adjust_number_to_print {
                    779:     my $helper = shift;
1.71      sakharuk  780: 
1.429     foxr      781:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    782:     
                    783:     if ($split_pdf eq 'all') {
                    784: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    785:     } elsif ($split_pdf eq 'oneper') {
                    786: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    787:     } elsif ($split_pdf eq 'sections') {
                    788: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    789:     } elsif ($split_pdf eq 'usenumber') {
                    790: 	#  Unmodified.
                    791:     } else {
                    792: 	# Error!!!!
1.536     foxr      793: 	
                    794: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      795: 
                    796:     }
                    797: }
1.71      sakharuk  798: 
1.531     foxr      799: 
1.37      sakharuk  800: sub character_chart {
1.531     foxr      801:     my $result = shift;
                    802:     return  &Apache::entities::replace_entities($result);
                    803: }
                    804: 
                    805: sub old_character_chart {
1.37      sakharuk  806:     my $result = shift;	
1.116     sakharuk  807:     $result =~ s/&\#0?0?(7|9);//g;
                    808:     $result =~ s/&\#0?(10|13);//g;
                    809:     $result =~ s/&\#0?32;/ /g;
                    810:     $result =~ s/&\#0?33;/!/g;
                    811:     $result =~ s/&(\#0?34|quot);/\"/g;
                    812:     $result =~ s/&\#0?35;/\\\#/g;
                    813:     $result =~ s/&\#0?36;/\\\$/g;
                    814:     $result =~ s/&\#0?37;/\\%/g; 
                    815:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    816:     $result =~ s/&\#(0?39|146);/\'/g;
                    817:     $result =~ s/&\#0?40;/(/g;
                    818:     $result =~ s/&\#0?41;/)/g;
                    819:     $result =~ s/&\#0?42;/\*/g;
                    820:     $result =~ s/&\#0?43;/\+/g;
                    821:     $result =~ s/&\#(0?44|130);/,/g;
                    822:     $result =~ s/&\#0?45;/-/g;
                    823:     $result =~ s/&\#0?46;/\./g;
                    824:     $result =~ s/&\#0?47;/\//g;
                    825:     $result =~ s/&\#0?48;/0/g;
                    826:     $result =~ s/&\#0?49;/1/g;
                    827:     $result =~ s/&\#0?50;/2/g;
                    828:     $result =~ s/&\#0?51;/3/g;
                    829:     $result =~ s/&\#0?52;/4/g;
                    830:     $result =~ s/&\#0?53;/5/g;
                    831:     $result =~ s/&\#0?54;/6/g;
                    832:     $result =~ s/&\#0?55;/7/g;
                    833:     $result =~ s/&\#0?56;/8/g;
                    834:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  835:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  836:     $result =~ s/&\#0?59;/;/g;
                    837:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  838:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    839:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  840:     $result =~ s/&\#0?63;/\?/g;
                    841:     $result =~ s/&\#0?65;/A/g;
                    842:     $result =~ s/&\#0?66;/B/g;
                    843:     $result =~ s/&\#0?67;/C/g;
                    844:     $result =~ s/&\#0?68;/D/g;
                    845:     $result =~ s/&\#0?69;/E/g;
                    846:     $result =~ s/&\#0?70;/F/g;
                    847:     $result =~ s/&\#0?71;/G/g;
                    848:     $result =~ s/&\#0?72;/H/g;
                    849:     $result =~ s/&\#0?73;/I/g;
                    850:     $result =~ s/&\#0?74;/J/g;
                    851:     $result =~ s/&\#0?75;/K/g;
                    852:     $result =~ s/&\#0?76;/L/g;
                    853:     $result =~ s/&\#0?77;/M/g;
                    854:     $result =~ s/&\#0?78;/N/g;
                    855:     $result =~ s/&\#0?79;/O/g;
                    856:     $result =~ s/&\#0?80;/P/g;
                    857:     $result =~ s/&\#0?81;/Q/g;
                    858:     $result =~ s/&\#0?82;/R/g;
                    859:     $result =~ s/&\#0?83;/S/g;
                    860:     $result =~ s/&\#0?84;/T/g;
                    861:     $result =~ s/&\#0?85;/U/g;
                    862:     $result =~ s/&\#0?86;/V/g;
                    863:     $result =~ s/&\#0?87;/W/g;
                    864:     $result =~ s/&\#0?88;/X/g;
                    865:     $result =~ s/&\#0?89;/Y/g;
                    866:     $result =~ s/&\#0?90;/Z/g;
                    867:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  868:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  869:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  870:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  871:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    872:     $result =~ s/&\#(0?96|145);/\`/g;
                    873:     $result =~ s/&\#0?97;/a/g;
                    874:     $result =~ s/&\#0?98;/b/g;
                    875:     $result =~ s/&\#0?99;/c/g;
                    876:     $result =~ s/&\#100;/d/g;
                    877:     $result =~ s/&\#101;/e/g;
                    878:     $result =~ s/&\#102;/f/g;
                    879:     $result =~ s/&\#103;/g/g;
                    880:     $result =~ s/&\#104;/h/g;
                    881:     $result =~ s/&\#105;/i/g;
                    882:     $result =~ s/&\#106;/j/g;
                    883:     $result =~ s/&\#107;/k/g;
                    884:     $result =~ s/&\#108;/l/g;
                    885:     $result =~ s/&\#109;/m/g;
                    886:     $result =~ s/&\#110;/n/g;
                    887:     $result =~ s/&\#111;/o/g;
                    888:     $result =~ s/&\#112;/p/g;
                    889:     $result =~ s/&\#113;/q/g;
                    890:     $result =~ s/&\#114;/r/g;
                    891:     $result =~ s/&\#115;/s/g;
                    892:     $result =~ s/&\#116;/t/g;
                    893:     $result =~ s/&\#117;/u/g;
                    894:     $result =~ s/&\#118;/v/g;
                    895:     $result =~ s/&\#119;/w/g;
                    896:     $result =~ s/&\#120;/x/g;
                    897:     $result =~ s/&\#121;/y/g;
                    898:     $result =~ s/&\#122;/z/g;
                    899:     $result =~ s/&\#123;/\\{/g;
                    900:     $result =~ s/&\#124;/\|/g;
                    901:     $result =~ s/&\#125;/\\}/g;
                    902:     $result =~ s/&\#126;/\~/g;
                    903:     $result =~ s/&\#131;/\\textflorin /g;
                    904:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  905:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    906:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    907:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  908:     $result =~ s/&\#137;/\\textperthousand /g;
                    909:     $result =~ s/&\#140;/{\\OE}/g;
                    910:     $result =~ s/&\#147;/\`\`/g;
                    911:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  912:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  913:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  914:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  915:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  916:     $result =~ s/&\#153;/\\texttrademark /g;
                    917:     $result =~ s/&\#156;/\\oe/g;
                    918:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  919:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  920:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    921:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    922:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    923:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    924:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    925:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    926:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      927:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  928:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    929:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  930:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  931:     $result =~ s/&(\#173|shy);/ - /g;
                    932:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  933:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    934:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    935:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    936:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    937:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      938:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  939:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  940:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  941:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  942:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  943:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  944:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    945:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    946:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    947:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    948:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    949:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    950:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    951:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    952:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    953:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    954:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    955:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    956:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    957:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    958:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    959:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    960:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    961:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    962:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    963:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    964:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    965:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    966:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    967:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    968:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    969:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    970:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  971:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  972:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    973:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    974:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    975:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    976:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    977:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  978:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  979:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    980:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    981:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    982:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    983:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    984:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    985:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    986:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    987:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    988:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    989:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    990:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    991:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    992:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    993:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    994:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  995:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    997:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    998:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    999:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1000:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1001:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1002:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1003:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1004:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1005:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1006:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1007:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1008:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1009:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1010:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1011:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1012: #Greek Alphabet
1.281     sakharuk 1013:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1014:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1015:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1016:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1017:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1018:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1019:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1020:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1021:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1022:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1023:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1024:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1025:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1026:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1027:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1028:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1029:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1030:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1031:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1032:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1033:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1034:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1035:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1036:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1037:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1038:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1039:     $result =~ s/&(Alpha|\#913);/A/g;
                   1040:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1041:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1042:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1044:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1045:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1046:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1047:     $result =~ s/&(Iota|\#921);/I/g;
                   1048:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1049:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Mu|\#924);/M/g;
                   1051:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1052:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1054:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1055:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1056:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1057:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1058:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1059:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1060:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1061:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1062:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1063: #Arrows (extended HTML 4.01)
1.281     sakharuk 1064:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1065:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1066:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1067:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1068:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1069:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1070:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1071:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1072:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1073:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1074: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1075:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1076:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1077:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1078:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1079:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1080:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1081:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1082:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1083:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1084:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1085:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1086:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1087:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1088:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1089:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1090:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1091:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1092:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1093:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1094:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1095:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1096:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1097:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1098:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1099:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1100:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1101:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1102:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1103:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1104:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1105:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1106:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1107:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1108:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1109:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1110:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1111:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1112:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1113: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1114:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1115: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1116:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1117:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1118:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1119:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1120: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1121: 
1.495     foxr     1122:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1123:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1124:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1125:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1126:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1127:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1128:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1129:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1130:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1131:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1132:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1133:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1134:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1135: 
                   1136:     # Left/right quotations:
                   1137: 
                   1138:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1139:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1140: 
                   1141: 
1.559     foxr     1142: 
1.37      sakharuk 1143:     return $result;
                   1144: }
1.41      sakharuk 1145: 
                   1146: 
1.327     albertel 1147:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1148: my %page_formats=
                   1149:     ('letter' => {
                   1150: 	 'book' => {
1.493     foxr     1151: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1152: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1153: 	 },
                   1154: 	 'album' => {
1.496     foxr     1155: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1156: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1157: 	 },
                   1158:      },
                   1159:      'legal' => {
                   1160: 	 'book' => {
                   1161: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1162: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1163: 	 },
                   1164: 	 'album' => {
1.376     albertel 1165: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1166:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1167:           },
                   1168:      },
                   1169:      'tabloid' => {
                   1170: 	 'book' => {
                   1171: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1172: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1173: 	 },
                   1174: 	 'album' => {
1.376     albertel 1175: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1176: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1177:           },
                   1178:      },
                   1179:      'executive' => {
                   1180: 	 'book' => {
                   1181: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1182: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1183: 	 },
                   1184: 	 'album' => {
                   1185: 	     '1' => [],
                   1186: 	     '2' => []
                   1187:           },
                   1188:      },
                   1189:      'a2' => {
                   1190: 	 'book' => {
                   1191: 	     '1' => [],
                   1192: 	     '2' => []
                   1193: 	 },
                   1194: 	 'album' => {
                   1195: 	     '1' => [],
                   1196: 	     '2' => []
                   1197:           },
                   1198:      },
                   1199:      'a3' => {
                   1200: 	 'book' => {
                   1201: 	     '1' => [],
                   1202: 	     '2' => []
                   1203: 	 },
                   1204: 	 'album' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207:           },
                   1208:      },
                   1209:      'a4' => {
                   1210: 	 'book' => {
1.493     foxr     1211: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1212: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1213: 	 },
                   1214: 	 'album' => {
1.496     foxr     1215: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1216: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1217: 	 },
                   1218:      },
                   1219:      'a5' => {
                   1220: 	 'book' => {
                   1221: 	     '1' => [],
                   1222: 	     '2' => []
                   1223: 	 },
                   1224: 	 'album' => {
                   1225: 	     '1' => [],
                   1226: 	     '2' => []
                   1227:           },
                   1228:      },
                   1229:      'a6' => {
                   1230: 	 'book' => {
                   1231: 	     '1' => [],
                   1232: 	     '2' => []
                   1233: 	 },
                   1234: 	 'album' => {
                   1235: 	     '1' => [],
                   1236: 	     '2' => []
                   1237:           },
                   1238:      },
                   1239:      );
                   1240: 
1.177     sakharuk 1241: sub page_format {
1.140     sakharuk 1242: #
1.326     sakharuk 1243: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1244: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1245: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1246: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1247: #                        "A6 [105x148 mm]"
1.140     sakharuk 1248: # 
                   1249:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1250:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1251: }
1.76      sakharuk 1252: 
                   1253: 
1.126     albertel 1254: sub get_name {
                   1255:     my ($uname,$udom)=@_;
1.373     albertel 1256:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1257:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1258:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1259:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1260:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1261:     return $plainname;
1.126     albertel 1262: }
                   1263: 
1.213     albertel 1264: sub get_course {
                   1265:     my $courseidinfo;
1.373     albertel 1266:     if (defined($env{'request.course.id'})) {
1.439     www      1267: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1268: 	my $sec = $env{'request.course.sec'};
                   1269: 	    
1.213     albertel 1270:     }
                   1271:     return $courseidinfo;
                   1272: }
1.177     sakharuk 1273: 
1.76      sakharuk 1274: sub page_format_transformation {
1.312     sakharuk 1275:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1276:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1277: 
1.312     sakharuk 1278:     if ($selectionmade eq '4') {
1.502     foxr     1279: 	if ($choice eq 'all_problems') {
1.561     bisitz   1280:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1281: 	} else {
1.561     bisitz   1282:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1283: 	}
1.312     sakharuk 1284:     } else {
                   1285: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1286:     }
1.261     sakharuk 1287:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1288: 
                   1289: 
1.126     albertel 1290:     my $name = &get_name();
1.213     albertel 1291:     my $courseidinfo = &get_course();
1.455     albertel 1292:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1293:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1294: 					   $courseidinfo, $name);
1.319     sakharuk 1295:     my $topmargintoinsert = '';
                   1296:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1297:     my $fancypagestatement='';
                   1298:     if ($numberofcolumns eq '2') {
1.455     albertel 1299: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1300:     } else {
1.455     albertel 1301: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1302:     }
1.140     sakharuk 1303:     if ($layout eq 'album') {
1.550     foxr     1304: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1305:     } elsif ($layout eq 'book') {
                   1306: 	if ($choice ne 'All class print') { 
1.550     foxr     1307: 	    $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 1308: 	} else {
1.550     foxr     1309: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1310: 	}
1.326     sakharuk 1311: 	if ($papersize eq 'a4') {
1.319     sakharuk 1312: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk 1313: 	}
                   1314:     }
1.214     sakharuk 1315:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1316:     if ($indexlist eq 'yes') {
                   1317: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1318: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1319:     }
1.140     sakharuk 1320:     return $text;
                   1321: }
                   1322: 
                   1323: 
1.33      sakharuk 1324: sub page_cleanup {
                   1325:     my $result = shift;	
1.65      sakharuk 1326:  
                   1327:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1328:     my $number_of_columns = $1;
1.33      sakharuk 1329:     my $insert = '{';
1.34      sakharuk 1330:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1331:     $insert .= '}';
1.65      sakharuk 1332:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1333:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1334:     return $result,$number_of_columns;
1.7       sakharuk 1335: }
1.5       sakharuk 1336: 
1.3       sakharuk 1337: 
1.60      sakharuk 1338: sub details_for_menu {
1.335     albertel 1339:     my ($helper)=@_;
1.373     albertel 1340:     my $postdata=$env{'form.postdata'};
1.335     albertel 1341:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1342:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1343:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1344:     return if ( $symbolic eq '');
                   1345: 
1.233     www      1346:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1347:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1348:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1349:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1350: 	$map =~ m|([^/]+)$|;
                   1351: 	$name_of_sequence = $1;
1.63      albertel 1352:     }
1.373     albertel 1353:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1354:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1355: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1356: 	$name_of_map = $1;
                   1357:     }
1.335     albertel 1358:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1359: }
                   1360: 
1.476     albertel 1361: sub copyright_line {
                   1362:     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 } ';
                   1363: }
                   1364: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1365: 
                   1366: sub latex_corrections {
1.408     albertel 1367:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1368: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1369:     my $copyright = &copyright_line();
1.408     albertel 1370:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1372:     } else {
1.476     albertel 1373: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1374:     }
1.476     albertel 1375:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1376:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1377:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1378: #-- LaTeX corrections     
                   1379:     my $first_comment = index($result,'<!--',0);
                   1380:     while ($first_comment != -1) {
                   1381: 	my $end_comment = index($result,'-->',$first_comment);
                   1382: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1383: 	$first_comment = index($result,'<!--',$first_comment);
                   1384:     }
                   1385:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1386:     #removes more than one empty space
                   1387:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1388:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1389:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1390:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1391:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1392:     #conversion of html characters to LaTeX equivalents
                   1393:     if ($result =~ m/&(\w+|#\d+);/) {
                   1394: 	$result = &character_chart($result);
                   1395:     }
                   1396:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1397:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1398:     return $result;
1.60      sakharuk 1399: }
                   1400: 
1.3       sakharuk 1401: 
1.214     sakharuk 1402: sub index_table {
                   1403:     my $currentURL = shift;
                   1404:     my $insex_string='';
                   1405:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1406:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1407:     return $insex_string;
                   1408: }
                   1409: 
                   1410: 
1.215     sakharuk 1411: sub IndexCreation {
                   1412:     my ($texversion,$currentURL)=@_;
                   1413:     my @key_words=split(/,/,&index_table($currentURL));
                   1414:     my $chunk='';
                   1415:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1416:     if ($st>0) {
                   1417: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1418: 	$chunk=substr($texversion,0,$st+1);
                   1419: 	substr($texversion,0,$st+1)=' ';
                   1420:     }
                   1421:     foreach my $key_word (@key_words) {
                   1422: 	if ($key_word=~/\S+/) {
                   1423: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1424: 	}
                   1425:     }			
                   1426:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1427:     return $texversion;
                   1428: }
                   1429: 
1.242     sakharuk 1430: sub print_latex_header {
                   1431:     my $mode=shift;
1.550     foxr     1432: 
                   1433:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1434: }
                   1435: 
                   1436: sub path_to_problem {
1.328     albertel 1437:     my ($urlp,$colwidth)=@_;
1.404     albertel 1438:     $urlp=&Apache::lonnet::clutter($urlp);
                   1439: 
1.242     sakharuk 1440:     my $newurlp = '';
1.328     albertel 1441:     $colwidth=~s/\s*mm\s*$//;
                   1442: #characters average about 2 mm in width
1.360     albertel 1443:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1444: 	my @elements = split('/',$urlp);
1.328     albertel 1445: 	my $curlength=0;
                   1446: 	foreach my $element (@elements) {
1.404     albertel 1447: 	    if ($element eq '') { next; }
1.328     albertel 1448: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1449: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1450: 		$curlength=length($element)*2;
1.328     albertel 1451: 	    } else {
                   1452: 		$curlength+=length($element)*2;
1.242     sakharuk 1453: 	    }
1.328     albertel 1454: 	    $newurlp.='/'.$element;
1.242     sakharuk 1455: 	}
1.253     sakharuk 1456:     } else {
                   1457: 	$newurlp=$urlp;
1.242     sakharuk 1458:     }
                   1459:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1460: }
1.215     sakharuk 1461: 
1.275     sakharuk 1462: sub recalcto_mm {
                   1463:     my $textwidth=shift;
                   1464:     my $LaTeXwidth;
1.339     albertel 1465:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1*10;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1;
1.339     albertel 1469:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1470: 	$LaTeXwidth = $1*25.4;
                   1471:     }
                   1472:     $LaTeXwidth.=' mm';
                   1473:     return $LaTeXwidth;
                   1474: }
                   1475: 
1.285     albertel 1476: sub get_textwidth {
                   1477:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1478:     my $textwidth=$LaTeXwidth;
1.285     albertel 1479:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1480: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1481: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1482: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1483:     }
1.286     albertel 1484:     return $textwidth;
1.285     albertel 1485: }
                   1486: 
1.296     sakharuk 1487: 
                   1488: sub unsupported {
1.414     albertel 1489:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1490:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1491:     my $result.= &print_latex_header($mode);
1.414     albertel 1492:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1493: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1494: 	my $title=&Apache::lonnet::gettitle($symb);
                   1495: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1496: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1497:     } else {
                   1498: 	$result.=$currentURL;
                   1499:     }
1.419     albertel 1500:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1501:     return $result;
                   1502: }
                   1503: 
1.559     foxr     1504: #
                   1505: #  Map from helper layout style to the book/album:
                   1506: #
                   1507: sub map_laystyle {
                   1508:     my ($laystyle) = @_;
                   1509:     if ($laystyle eq 'L') {
                   1510: 	$laystyle='album';
                   1511:     } else {
                   1512: 	$laystyle='book';
                   1513:     }
                   1514:     return $laystyle;
                   1515: }
                   1516: 
                   1517: sub print_page_in_course {
                   1518:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1519:     my %parmhash       = %$rparmhash;
                   1520:     my @page_resources = @$resources;
                   1521:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1522:     my $symb = $helper->{'VARS'}->{'symb'};
                   1523: 
                   1524: 
                   1525:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1526: 
                   1527: 
                   1528:     my @temporary_array=split /\|/,$format_from_helper;
                   1529:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1530:     $laystyle = &map_laystyle($laystyle);
                   1531:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1532: 								      $numberofcolumns);
                   1533:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1534: 
                   1535: 
                   1536:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1537:     my $result   =    &print_latex_header($mode);
1.559     foxr     1538:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1539: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1540: 	my $title=&Apache::lonnet::gettitle($symb);
                   1541: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1542:     } else {
                   1543: 	$result.=$currentURL;
                   1544:     }
                   1545:     $result .= '\\\\';
                   1546: 
                   1547:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1548: 	&Apache::lonnet::appenv({'construct.style' =>
                   1549: 				$helper->{'VARS'}->{'style_file'}});
                   1550:     } elsif ($env{'construct.style'}) {
                   1551: 	&Apache::lonnet::delenv('construct.style');
                   1552:     }
                   1553: 
                   1554:     # First is the overall page description.  This is then followed by the 
                   1555:     # components of the page. Each of which must be printed independently.
1.564     foxr     1556:     my $the_page = shift(@page_resources); 
1.559     foxr     1557: 
                   1558: 
                   1559:     foreach my $resource (@page_resources) {
                   1560: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1561: 	$result           .= $resource->title() . '\\\\';
                   1562: 
                   1563: 	# Recurse if a .page:
                   1564: 
                   1565: 	if ($resource_src =~ /.page$/i) {
                   1566: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1567: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1568: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1569: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
                   1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/)  {		
                   1574: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1575: 	    my %form;
                   1576: 	    my %moreenv;
                   1577: 
                   1578: 	    &Apache::lonxml::remember_problem_counter();
                   1579: 	    $moreenv{'request.filename'}=$urlp;
                   1580: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1581: 
                   1582: 	    $form{'grade_target'}  = 'tex';
                   1583: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
                   1584: 	    $form{'pdfFormFiels'} = $pdfFormFields; # 
                   1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
                   1688:     my $r=shift;
                   1689:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
                   1722:         $r->print('<hr />');
                   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.544     bisitz   1725: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
                   1733:                   .&Apache::loncommon::end_data_table()
                   1734:         );
1.400     albertel 1735:     }
                   1736:     if ($pdf_result) {
1.544     bisitz   1737: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1738:                   .&Apache::loncommon::start_data_table()
                   1739:                   .&Apache::loncommon::start_data_table_header_row()
                   1740:                   .'<th>'.&mt('Download').'</th>'
                   1741:                   .'<th>'.&mt('Creation Date').'</th>'
                   1742:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1743:                   .&Apache::loncommon::end_data_table_header_row()
                   1744:                   .$pdf_result
                   1745:                   .&Apache::loncommon::end_data_table()
                   1746:         );
1.396     albertel 1747:     }
1.395     www      1748: }
                   1749: 
                   1750: #
1.363     foxr     1751: #   Retrieve the hash of page breaks.
                   1752: #
                   1753: #  Inputs:
                   1754: #    helper   - reference to helper object.
                   1755: #  Outputs
                   1756: #    A reference to a page break hash.
                   1757: #
                   1758: #
1.562     foxr     1759: # use Data::Dumper;
1.418     foxr     1760: #sub dump_helper_vars {
                   1761: #    my ($helper) = @_;
                   1762: #    my $helpervars = Dumper($helper->{'VARS'});
                   1763: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1764: #}
1.363     foxr     1765: 
1.481     albertel 1766: sub get_page_breaks  {
                   1767:     my ($helper) = @_;
                   1768:     my %page_breaks;
                   1769: 
                   1770:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1771: 	$page_breaks{$break} = 1;
                   1772:     }
                   1773:     return %page_breaks;
                   1774: }
1.363     foxr     1775: 
1.459     foxr     1776: #  Output a sequence (recursively if neeed)
                   1777: #  from construction space.
                   1778: # Parameters:
                   1779: #    url     = URL of the sequence to print.
                   1780: #    helper  - Reference to the helper hash.
                   1781: #    form    - Copy of the format hash.
                   1782: #    LaTeXWidth
                   1783: # Returns:
                   1784: #   Text to add to the printout.
                   1785: #   NOTE if the first element of the outermost sequence
                   1786: #   is itself a sequence, the outermost caller may need to
                   1787: #   prefix the latex with the page headers stuff.
                   1788: #
                   1789: sub print_construction_sequence {
                   1790:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1791:     my $result;
                   1792:     my $rndseed=time;
                   1793:     if ($helper->{'VARS'}->{'curseed'}) {
                   1794: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1795:     }
1.491     albertel 1796:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1797:     # 
                   1798:     #  These make this all support recursing for subsequences.
                   1799:     #
1.491     albertel 1800:     my @order    = @LONCAPA::map::order;
                   1801:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1802:     for (my $member=0;$member<=$#order;$member++) {
                   1803: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1804: 	my $urlp=$2;
                   1805: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1806: 	    my $texversion='';
                   1807: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1808: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1809: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1810: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1811: 		$form{'rndseed'}=$rndseed;
                   1812: 		$resources_printed .=$urlp.':';
1.515     foxr     1813: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1814: 	    }
                   1815: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1816: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1817: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1818: 		#  Don't permanently modify %$form...
                   1819: 		my %answerform = %form;
                   1820: 		$answerform{'grade_target'}='answer';
                   1821: 		$answerform{'answer_output_mode'}='tex';
                   1822: 		$answerform{'rndseed'}=$rndseed;
                   1823: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1824: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1825: 		$resources_printed .= $urlp.':';
1.515     foxr     1826: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1827: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1828: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1829: 		} else {
                   1830: 		    # If necessary, encapsulate answer in minipage:
                   1831: 		    
                   1832: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1833: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1834: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1835: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1836: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1837: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1838: 		    $body = &encapsulate_minipage($body);
                   1839: 		    $texversion.=$body;
                   1840: 		}
                   1841: 	    }
                   1842: 	    $texversion = &latex_header_footer_remove($texversion);
                   1843: 
                   1844: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1845: 		$texversion=&IndexCreation($texversion,$urlp);
                   1846: 	    }
                   1847: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1848: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1849: 	    }
                   1850: 	    $result.=$texversion;
                   1851: 
                   1852: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1853:  
1.459     foxr     1854: 	    # header:
                   1855: 
                   1856: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1857: 
                   1858: 	    # IF sequence, recurse:
                   1859: 	    
                   1860: 	    if ($urlp =~ /\.sequence$/) {
                   1861: 		my $sequence_url = $urlp;
                   1862: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1863: 		my $user         = $env{'user.name'};
                   1864: 
                   1865: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1866: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1867: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1868: 		$result .= &print_construction_sequence($sequence_url, 
                   1869: 							$helper, %form, 
                   1870: 							$LaTeXwidth);
                   1871: 	    }
1.550     foxr     1872: 	}
                   1873: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1874: 	    my $texversion;
                   1875: 	    if ($member != 0) {
                   1876: 		$texversion .= '\cleardoublepage';
                   1877: 	    }
                   1878: 
                   1879: 	    $texversion .= &include_pdf($urlp);
                   1880: 	    $texversion = &latex_header_footer_remove($texversion);
                   1881: 	    if ($member != $#order) {
                   1882: 		$texversion .= '\\ \cleardoublepage';
                   1883: 	    }
1.551     foxr     1884: 	    
                   1885: 	    $result .= $texversion;
1.550     foxr     1886: 	}
1.459     foxr     1887:     }
                   1888:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1889:     return $result;
                   1890: }
                   1891: 
1.177     sakharuk 1892: sub output_data {
1.568.4.2! raeburn  1893:     my ($r,$helper,$rparmhash,$is_custom) = @_;
1.184     sakharuk 1894:     my %parmhash = %$rparmhash;
1.515     foxr     1895:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1896:     $resources_printed = '';
1.556     foxr     1897:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     1898:     my $do_postprocessing = 1;
1.433     albertel 1899:     my $js = <<ENDPART;
                   1900: <script type="text/javascript">
1.264     sakharuk 1901:     var editbrowser;
                   1902:     function openbrowser(formname,elementname,only,omit) {
                   1903:         var url = '/res/?';
                   1904:         if (editbrowser == null) {
                   1905:             url += 'launch=1&';
                   1906:         }
                   1907:         url += 'catalogmode=interactive&';
                   1908:         url += 'mode=parmset&';
                   1909:         url += 'form=' + formname + '&';
                   1910:         if (only != null) {
                   1911:             url += 'only=' + only + '&';
                   1912:         } 
                   1913:         if (omit != null) {
                   1914:             url += 'omit=' + omit + '&';
                   1915:         }
                   1916:         url += 'element=' + elementname + '';
                   1917:         var title = 'Browser';
                   1918:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1919:         options += ',width=700,height=600';
                   1920:         editbrowser = open(url,title,options,'1');
                   1921:         editbrowser.focus();
                   1922:     }
                   1923: </script>
1.140     sakharuk 1924: ENDPART
                   1925: 
1.512     foxr     1926: 
1.558     bisitz   1927:     # Breadcrumbs
                   1928:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   1929:     my $brcrum = [{'href' => '',
                   1930:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   1931:                   {'href' => '',
                   1932:                    'text' => 'Preparing Printout'}];
                   1933: 
1.568.4.2! raeburn  1934:     if ($is_custom) {
        !          1935:         $brcrum = [{'href' => '',
        !          1936:                    'text' => 'Preparing Printout'}];
        !          1937:     }
        !          1938: 
1.558     bisitz   1939:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   1940:                                                      $js,
                   1941:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 1942:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1943: 
1.433     albertel 1944:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1945: 
1.363     foxr     1946:     # fetch the pagebreaks and store them in the course environment
                   1947:     # The page breaks will be pulled into the hash %page_breaks which is
                   1948:     # indexed by symb and contains 1's for each break.
                   1949: 
1.373     albertel 1950:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1951:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1952:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1953: 					      {'pagebreaks'    => 'scalar',
                   1954: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1955: 
1.364     albertel 1956:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1957: 
1.140     sakharuk 1958:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1959:     my ($result,$selectionmade) = ('','');
                   1960:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1961:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    1962:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     1963: 
                   1964:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 1965:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1966:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1967:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1968:     my @print_array=();
1.274     sakharuk 1969:     my @student_names=();
1.360     albertel 1970: 
1.512     foxr     1971:      
1.360     albertel 1972:     #  Common settings for the %form has:
                   1973:     # In some cases these settings get overriddent by specific cases, but the
                   1974:     # settings are common enough to make it worthwhile factoring them out
                   1975:     # here.
                   1976:     #
                   1977:     my %form;
                   1978:     $form{'grade_target'} = 'tex';
                   1979:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    1980:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     1981: 
                   1982:     # If form.showallfoils is set, then request all foils be shown:
                   1983:     # privilege will be enforced both by not allowing the 
                   1984:     # check box selecting this option to be presnt unless it's ok,
                   1985:     # and by lonresponse's priv. check.
                   1986:     # The if is here because lonresponse.pm only cares that
                   1987:     # showallfoils is defined, not what the value is.
                   1988: 
                   1989:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1990: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1991:     }
1.504     albertel 1992:     
                   1993:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1994: 	&Apache::lonnet::appenv({'construct.style' =>
                   1995: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1996:     } elsif ($env{'construct.style'}) {
1.549     raeburn  1997: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 1998:     }
                   1999: 
1.140     sakharuk 2000:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2001:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2002: 	my ($currentURL,$cleanURL);
1.375     foxr     2003: 
1.162     sakharuk 2004: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2005:             #prints published resource
1.153     sakharuk 2006: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2007: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2008: 	} else {
1.512     foxr     2009: 
1.185     sakharuk 2010:             #prints resource from the construction space
1.240     albertel 2011: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2012: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2013: 	    $cleanURL=$currentURL;
1.143     sakharuk 2014: 	}
1.140     sakharuk 2015: 	$selectionmade = 1;
1.413     albertel 2016: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2017: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2018: 	    my $rndseed=time;
1.242     sakharuk 2019: 	    my $texversion='';
                   2020: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2021: 		my %moreenv;
1.343     albertel 2022: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2023:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2024: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2025: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2026: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2027: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2028: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2029: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2030: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2031: 		    $form{'problem_split'}='yes';
                   2032: 		}
1.242     sakharuk 2033: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2034: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2035: 		}
                   2036: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2037: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2038: 
                   2039: 		&Apache::lonxml::clear_problem_counter();
                   2040: 
1.375     foxr     2041: 		$resources_printed .= $currentURL.':';
1.515     foxr     2042: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2043: 
1.511     foxr     2044: 		#  Add annotations if required:
                   2045: 	    
1.428     albertel 2046: 		&Apache::lonxml::clear_problem_counter();
                   2047: 
1.242     sakharuk 2048: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2049: 	    }
1.423     foxr     2050: 	    # current document with answers.. no need to encap in minipage
                   2051: 	    #  since there's only one answer.
                   2052: 
1.242     sakharuk 2053: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2054: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2055: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2056: 		$form{'grade_target'}='answer';
1.167     albertel 2057: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2058: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2059:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2060: 		    $form{'problemtype'}='exam';
                   2061: 		}
1.375     foxr     2062: 		$resources_printed .= $currentURL.':';
1.515     foxr     2063: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2064: 		
                   2065: 
1.242     sakharuk 2066: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2067: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2068: 		} else {
                   2069: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2070: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2071: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2072: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2073: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2074: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2075: 		    } else {
                   2076: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2077: 			my $URLpath=$cleanURL;
1.245     sakharuk 2078: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2079: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2080: 		    }
1.242     sakharuk 2081: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2082: 		}
1.511     foxr     2083: 
                   2084: 
                   2085: 		
                   2086: 
1.550     foxr     2087: 	    
1.511     foxr     2088: 	    }
                   2089: 	    # Print annotations.
                   2090: 
                   2091: 
                   2092: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2093: 		my $annotation .= &annotate($currentURL);
                   2094: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2095: 	    }
1.511     foxr     2096: 
                   2097: 
1.214     sakharuk 2098: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2099: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2100: 	    }
1.219     sakharuk 2101: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2102: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2103: 
                   2104: 	    }
1.162     sakharuk 2105: 	    $result .= $texversion;
                   2106: 	    if ($currentURL=~m/\.page\s*$/) {
                   2107: 		($result,$number_of_columns) = &page_cleanup($result);
                   2108: 	    }
1.413     albertel 2109:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2110: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2111:             #printing content of sequence from the construction space	
1.559     foxr     2112: 
                   2113: 
1.227     sakharuk 2114: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2115: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2116: 						    $LaTeXwidth);
                   2117: 	    $result .= '\end{document}';  
                   2118: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2119: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2120: 	    }
1.459     foxr     2121: 	    # End construction space sequence.
1.456     raeburn  2122: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2123: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2124: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2125: 		$resources_printed .= $currentURL.':';
1.567     foxr     2126: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2127: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2128: 		    my $annotation = &annotate($currentURL);
                   2129: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2130: 		}
1.258     sakharuk 2131: 		$result .= $texversion;
1.550     foxr     2132: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2133: 	    # For this sort of print of a single LaTeX file,
                   2134: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2135: 	    #
                   2136: 
                   2137: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2138: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2139: 		my $annotation = &annotate($currentURL);
                   2140: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2141: 	    }
                   2142: 
1.499     foxr     2143: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2144: 
1.550     foxr     2145: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2146: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2147: 	    $result .= '\end{document}';
1.559     foxr     2148: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2149: 
                   2150: 	    # Determine the set of resources in the map of the page:
                   2151: 
                   2152: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2153: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2154: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2155: 							$cleanURL, \@page_resources);
                   2156: 
                   2157:        
1.162     sakharuk 2158: 	} else {
1.414     albertel 2159: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2160: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2161: 	}
1.354     foxr     2162:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2163: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2164: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2165:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2166:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2167: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2168: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2169: 	     ) { 
1.511     foxr     2170: 
                   2171: 
1.141     sakharuk 2172:         #-- produce an output string
1.562     foxr     2173: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2174: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2175: 	    $selectionmade = 2;
1.562     foxr     2176: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2177: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2178: 	{
1.296     sakharuk 2179: 	    $selectionmade = 3;
1.536     foxr     2180: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2181: 		 ) {
1.296     sakharuk 2182: 	    $selectionmade = 4;
1.354     foxr     2183: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2184: 	    $selectionmade = 4;
1.296     sakharuk 2185: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2186: 	    $selectionmade = 7;
                   2187: 	}
1.193     sakharuk 2188: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2189: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2190: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2191: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2192: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2193: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2194: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2195: 	    $form{'problem_split'}='yes';
                   2196: 	}
1.141     sakharuk 2197: 	my $flag_latex_header_remove = 'NO';
                   2198: 	my $flag_page_in_sequence = 'NO';
                   2199: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2200: 	my $prevassignment='';
1.428     albertel 2201: 
                   2202: 	&Apache::lonxml::clear_problem_counter();
                   2203: 
1.416     foxr     2204: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2205: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2206: 
1.521     foxr     2207: 	    &Apache::lonenc::reset_enc();
                   2208: 
                   2209: 
1.350     foxr     2210: 	    # Note due to document structure, not allowed to put \newpage
                   2211: 	    # prior to the first resource
                   2212: 
1.351     foxr     2213: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2214: 		if($i != 0) {
                   2215: 		    $result.="\\newpage\n";
                   2216: 		}
                   2217: 	    }
1.564     foxr     2218: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2219: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2220: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2221: 
                   2222: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2223: 
1.267     sakharuk 2224: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2225: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2226: 	    my $texversion='';
1.413     albertel 2227: 	    if ($urlp!~m|^/adm/|
                   2228: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2229: 		$resources_printed .= $urlp.':';
1.428     albertel 2230: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2231: 		if ($flag_latex_header_remove eq 'NO') {
                   2232: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2233: 		    $flag_latex_header_remove = 'YES';
                   2234: 		}
1.515     foxr     2235: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2236: 		if ($urlp=~/\.page$/) {
                   2237: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2238: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2239: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2240: 		    $flag_page_in_sequence = 'YES';
                   2241: 		} 
1.428     albertel 2242: 
1.296     sakharuk 2243: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2244: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2245: 		    #  Don't permanently pervert the %form hash
                   2246: 		    my %answerform = %form;
                   2247: 		    $answerform{'grade_target'}='answer';
                   2248: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2249: 		    $resources_printed .= $urlp.':';
1.428     albertel 2250: 
                   2251: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2252: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2253: 
1.296     sakharuk 2254: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2255: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2256: 		    } else {
1.307     sakharuk 2257: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2258: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2259: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2260: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2261: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2262: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2263: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2264: 			    $body   .='\vskip 1 mm '.$answer;
                   2265: 			    $body    = &encapsulate_minipage($body);
                   2266: 			    $texversion .= $body;
1.296     sakharuk 2267: 			} else {
                   2268: 			    $texversion='';
                   2269: 			}
1.249     sakharuk 2270: 		    }
1.511     foxr     2271: 
1.246     sakharuk 2272: 		}
1.511     foxr     2273: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2274: 		    my $annotation .= &annotate($urlp);
                   2275: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2276: 		}
                   2277: 
1.296     sakharuk 2278: 		if ($flag_latex_header_remove ne 'NO') {
                   2279: 		    $texversion = &latex_header_footer_remove($texversion);
                   2280: 		} else {
                   2281: 		    $texversion =~ s/\\end{document}//;
                   2282: 		}
                   2283: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2284: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2285: 		}
                   2286: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2287: 		    my $name = &get_name();
                   2288: 		    my $courseidinfo = &get_course();
                   2289: 		    $prevassignment=$assignment;
1.455     albertel 2290: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2291: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2292: 							  $assignment, 
                   2293: 							  $courseidinfo, 
                   2294: 							  $name);
1.552     foxr     2295: 
1.417     foxr     2296: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2297: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2298: 		    } else {
1.455     albertel 2299: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2300: 		    }			
1.296     sakharuk 2301: 		}
                   2302: 		$result .= $texversion;
                   2303: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2304: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2305: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2306: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2307: 		$resources_printed .= $urlp.':';
1.567     foxr     2308: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2309: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2310: 		    my $annotation = &annotate($urlp);
                   2311: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2312: 		}
                   2313: 
1.301     sakharuk 2314: 		if ($flag_latex_header_remove ne 'NO') {
                   2315: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2316: 		} else {	
1.301     sakharuk 2317: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2318: 		}
                   2319: 		$result .= $texversion;
                   2320: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2321: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2322: 		if ($i > 0) {
                   2323: 		    $result .= '\cleardoublepage';
                   2324: 		}
                   2325: 		$result .= &include_pdf($urlp);
                   2326: 		if ($i != $#master_seq) {
                   2327: 		    if ($numberofcolumns eq '1') {
                   2328: 			$result .= '\newpage';
                   2329: 		    } else {
                   2330: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2331: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2332: 			#
                   2333: 			$result .= '\\ \cleardoublepage';
                   2334: 		    }
                   2335: 		}
                   2336: 		$flag_latex_header_remove = 'YES';
                   2337: 
1.141     sakharuk 2338: 	    } else {
1.414     albertel 2339: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2340: 					 $master_seq[$i]);
1.297     sakharuk 2341: 		if ($flag_latex_header_remove ne 'NO') {
                   2342: 		    $texversion = &latex_header_footer_remove($texversion);
                   2343: 		} else {
                   2344: 		    $texversion =~ s/\\end{document}//;
                   2345: 		}
                   2346: 		$result .= $texversion;
                   2347: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2348: 	    }	    
1.550     foxr     2349: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2350: 		last; 
                   2351: 	    }
1.141     sakharuk 2352: 	}
1.428     albertel 2353: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2354: 	if ($flag_page_in_sequence eq 'YES') {
                   2355: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2356: 	}	
1.141     sakharuk 2357: 	$result .= '\end{document}';
1.284     albertel 2358:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2359: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2360: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2361: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2362: 
                   2363: 
1.150     sakharuk 2364:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2365: 	 my $type;
1.536     foxr     2366: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2367: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2368: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2369: 	     $selectionmade=5;
1.284     albertel 2370: 	     $type='problems';
1.254     sakharuk 2371: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2372: 	     $selectionmade=8;
1.284     albertel 2373: 	     $type='resources';
1.254     sakharuk 2374: 	 }
1.150     sakharuk 2375: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2376: 	 #   The normal sort order is by section then by students within the
                   2377: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2378: 	 #   to override this and output the students by name.
                   2379: 	 #    Each element of the students array is of the form:
                   2380: 	 #       username:domain:section:last, first:status
                   2381: 	 #    
1.429     foxr     2382: 	 #  Note that student sort is not compatible with printing 
                   2383: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2384: 	 #   
1.429     foxr     2385: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2386: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2387: 	     @students = sort compare_names  @students;
                   2388: 	 }
1.429     foxr     2389: 	 &adjust_number_to_print($helper);
                   2390: 
1.278     albertel 2391:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2392: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2393: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2394: 	 }
1.429     foxr     2395: 	 # If we are splitting on section boundaries, we need 
                   2396: 	 # to remember that in split_on_sections and 
                   2397: 	 # print all of the students in the list.
                   2398: 	 #
                   2399: 	 my $split_on_sections = 0;
                   2400: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2401: 	     $split_on_sections = 1;
                   2402: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2403: 	 }
1.150     sakharuk 2404: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2405: 
1.150     sakharuk 2406: 	 #loop over students
1.562     foxr     2407: 
                   2408:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2409: 	 my %moreenv;
1.330     sakharuk 2410:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2411: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2412: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2413: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2414: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2415: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2416: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2417: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2418: 	     $moreenv{'problem_split'}='yes';
                   2419: 	 }
1.318     albertel 2420: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2421: 	 my $student_counter=-1;
1.429     foxr     2422: 	 my $i = 0;
1.430     albertel 2423: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2424: 	 foreach my $person (@students) {
1.350     foxr     2425: 
1.373     albertel 2426:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2427: 	     if (-e $duefile) {
                   2428: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2429: 		 print $temp_file "1969\n";
                   2430: 	     }
1.272     sakharuk 2431: 	     $student_counter++;
1.429     foxr     2432: 	     if ($split_on_sections) {
1.430     albertel 2433: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2434: 		 if ($this_section ne $last_section) {
                   2435: 		     $i++;
                   2436: 		     $last_section = $this_section;
                   2437: 		 }
                   2438: 	     } else {
                   2439: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2440: 	     }
1.375     foxr     2441: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2442: 						     $person,$type,
                   2443: 						     \%moreenv,\@master_seq,
1.360     albertel 2444: 						     $flag_latex_header_remove,
1.422     albertel 2445: 						     $LaTeXwidth);
1.375     foxr     2446: 	     $resources_printed .= ":";
1.284     albertel 2447: 	     $print_array[$i].=$output;
                   2448: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2449: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2450: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2451: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2452: 	 }
                   2453: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2454: 	 $result .= $print_array[0].'  \end{document}';
                   2455:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2456: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2457: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2458: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2459: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2460: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2461: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2462: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2463: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2464: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2465: 
1.381     albertel 2466: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2467:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2468: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2469: 	 foreach my $line (@lines) {
1.381     albertel 2470: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2471: 	     if ($name eq $code_option) {
                   2472: 		 $code_length=$length;
                   2473: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2474: 	     }
                   2475: 	 }
1.288     albertel 2476: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2477: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2478:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2479: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2480: 	 my @allcodes;
                   2481: 	 if ($old_name) {
1.381     albertel 2482: 	     my %result=&Apache::lonnet::get('CODEs',
                   2483: 					     [$old_name,"type\0$old_name"],
                   2484: 					     $cdom,$cnum);
                   2485: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2486: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2487: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2488: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2489: 	     $num_todo = 1;
                   2490: 	     @allcodes = ($selected_code);
1.385     foxr     2491: 	 } elsif ($single_code) {
                   2492: 
1.387     foxr     2493: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2494: 	     # If an alpha code have to convert to numbers so it can be
                   2495: 	     # converted back to letters again :-)
                   2496: 	     #
                   2497: 	     if ($code_type ne 'number') {
                   2498: 		 $single_code = &letters_to_num($single_code);
                   2499: 	     }
                   2500: 	     @allcodes = ($single_code);
1.292     albertel 2501: 	 } else {
                   2502: 	     my %allcodes;
1.299     albertel 2503: 	     srand($seed);
1.292     albertel 2504: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2505: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2506: 					    $code_type);
1.292     albertel 2507: 	     }
                   2508: 	     if ($code_name) {
                   2509: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2510: 				      {
                   2511: 					$code_name =>join(',',keys(%allcodes)),
                   2512: 					"type\0$code_name" => $code_type
                   2513: 				      },
1.292     albertel 2514: 				      $cdom,$cnum);
                   2515: 	     }
                   2516: 	     @allcodes=keys(%allcodes);
                   2517: 	 }
1.336     albertel 2518: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2519: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2520: 	 &adjust_number_to_print($helper);
1.336     albertel 2521: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2522: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2523: 	     $number_per_page=$num_todo;
                   2524: 	 }
                   2525: 	 my $flag_latex_header_remove = 'NO'; 
                   2526: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2527: 	 my $count=0;
1.292     albertel 2528: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2529: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2530: 	     if ($code_type eq 'number') { 
                   2531: 		 $moreenv{'CODE'}=$code;
                   2532: 	     } else {
                   2533: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2534: 	     }
1.375     foxr     2535: 	     my ($output,$fullname, $printed)=
1.288     albertel 2536: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2537: 				  \@master_seq,$flag_latex_header_remove,
                   2538: 				  $LaTeXwidth);
1.375     foxr     2539: 	     $resources_printed .= ":";
1.295     albertel 2540: 	     $print_array[$file_num].=$output;
1.288     albertel 2541: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2542: 				       &mt('last assignment').' '.$fullname);
                   2543: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2544: 	     $count++;
1.331     albertel 2545: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2546: 	 }
                   2547: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2548: 	 $result .= $print_array[0].'  \end{document}';
                   2549:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2550:     #prints selected problems from the subdirectory 
                   2551: 	$selectionmade = 6;
                   2552:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2553: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2554: 	my $flag_latex_header_remove = 'NO'; 
                   2555: 	my $rndseed=time;
1.230     albertel 2556: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2557: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2558: 	}
1.151     sakharuk 2559: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2560: 
                   2561: 	    &Apache::lonenc::reset_enc();
                   2562: 
1.152     sakharuk 2563: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2564: 	    $urlp=~s|//|/|;
1.152     sakharuk 2565: 	    if ($urlp=~/\//) {
1.353     foxr     2566: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2567: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2568: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2569: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2570: 		} else {
1.302     sakharuk 2571: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2572: 		}
1.375     foxr     2573: 		$resources_printed .= $urlp.':';
1.515     foxr     2574: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2575: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2576: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2577: 		    #  Don't permanently pervert %form:
                   2578: 		    my %answerform = %form;
                   2579: 		    $answerform{'grade_target'}='answer';
                   2580: 		    $answerform{'answer_output_mode'}='tex';
                   2581: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2582: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2583: 		    $resources_printed .= $urlp.':';
1.515     foxr     2584: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2585: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2586: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2587: 		    } else {
1.253     sakharuk 2588: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2589: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2590: 			    $texversion.='\vskip 0 mm \noindent ';
                   2591: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2592: 			} else {
                   2593: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2594: 			    my $URLpath=$urlp;
                   2595: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2596: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2597: 			}
                   2598: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2599: 		    }
1.174     sakharuk 2600: 		}
1.515     foxr     2601:                 #this chunk is responsible for printing the path to problem
                   2602: 
1.253     sakharuk 2603: 		my $newurlp=$urlp;
                   2604: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2605: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2606: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2607: 		if ($flag_latex_header_remove ne 'NO') {
                   2608: 		    $texversion = &latex_header_footer_remove($texversion);
                   2609: 		} else {
                   2610: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2611: 		}
                   2612: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2613: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2614: 		}
1.219     sakharuk 2615: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2616: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2617: 		    
                   2618: 		}
1.152     sakharuk 2619: 		$result .= $texversion;
                   2620: 	    }
                   2621: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2622: 	}
1.175     sakharuk 2623: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2624: 	$result .= '\end{document}';      	
1.140     sakharuk 2625:     }
                   2626: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2627: 
                   2628:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2629: 
                   2630:     if ($do_postprocessing) {
                   2631: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2632: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2633: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2634: 	#if ($numberofcolumns == 1) {
1.451     albertel 2635: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2636: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2637: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2638: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2639: 	#}
                   2640:     }
1.367     foxr     2641: 
1.515     foxr     2642:     # Set URLback if this is a construction space print so we can provide
                   2643:     # a link to the resource being edited.
                   2644:     #
1.274     sakharuk 2645: 
1.276     sakharuk 2646:     my $URLback=''; #link to original document
1.510     albertel 2647:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2648: 	#prints resource from the construction space
                   2649: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2650: 	if ($URLback=~/([^?]+)/) {
                   2651: 	    $URLback=$1;
                   2652: 	    $URLback=~s|^/~|/priv/|;
                   2653: 	}
1.276     sakharuk 2654:     }
1.556     foxr     2655:     #
                   2656:     # Final adjustment of the font size:
                   2657:     #
                   2658: 
                   2659:     $result = set_font_size($result);
1.375     foxr     2660: 
1.525     www      2661: #-- writing .tex file in prtspool 
                   2662:     my $temp_file;
                   2663:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2664:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2665:     if (!($#print_array>0)) { 
                   2666:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2667: 	  $r->log_error("Couldn't open $filename for output $!");
                   2668: 	  return SERVER_ERROR; 
                   2669:        }
                   2670:        print $temp_file $result;
                   2671:        my $begin=index($result,'\begin{document}',0);
                   2672:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2673:     } else {
1.525     www      2674:        my $begin=index($result,'\begin{document}',0);
                   2675:        my $inc=substr($result,0,$begin+16);
                   2676:        for (my $i=0;$i<=$#print_array;$i++) {
                   2677: 	  if ($i==0) {
                   2678: 	      $print_array[$i]=$result;
                   2679: 	  } else {
                   2680: 	      $print_array[$i].='\end{document}';
                   2681: 	      $print_array[$i] = 
                   2682: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2683: 				   $selectionmade, 
                   2684: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2685: 	    
1.525     www      2686: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2687: 	      substr($print_array[$i],0,$anobegin)='';
                   2688: 	      $print_array[$i]=$inc.$print_array[$i];
                   2689: 	  }
                   2690: 	  my $temp_file;
                   2691: 	  my $newfilename=$filename;
                   2692: 	  my $num=$i+1;
                   2693: 	  $newfilename =~s/\.tex$//; 
                   2694: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2695: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2696: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2697: 	      return SERVER_ERROR; 
                   2698: 	  }
                   2699: 	  print $temp_file $print_array[$i];
                   2700:        }
                   2701:     }
                   2702:     my $student_names='';
                   2703:     if ($#print_array>0) {
                   2704:         for (my $i=0;$i<=$#print_array;$i++) {
                   2705:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2706: 	}
1.525     www      2707:     } else {
                   2708: 	if ($#student_names>-1) {
                   2709: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2710: 	} else {
1.525     www      2711:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2712: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2713: 				    $env{'request.course.sec'},$fullname).
                   2714: 					'_ENDPERSON_'.'_END_';
                   2715: 	}
1.525     www      2716:      }
1.515     foxr     2717: 	
1.525     www      2718:      # logic for now is too complex to trace if this has been defined
                   2719:      #  yet.
                   2720:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2721:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2722:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2723: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2724: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2725: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2726: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2727: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2728: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2729: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2730: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2731: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2732: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2733:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2734: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2735: 				"cgi.$identifier.courseid" => $cnum, 
                   2736: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2737: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2738: 	
1.525     www      2739:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2740:     my $continue_text = &mt('Continue');
1.525     www      2741:     # If there's been an unrecoverable SSI error, report it to the user
                   2742:     if ($ssi_error) {
                   2743:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2744:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2745:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2746:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2747:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2748:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2749:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2750:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2751:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2752:     } else {
1.515     foxr     2753: 	$r->print(<<FINALEND);
1.317     albertel 2754: <br />
1.288     albertel 2755: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2756: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2757: $end_page
1.140     sakharuk 2758: FINALEND
1.528     raeburn  2759:     }                                     # endif ssi errors.
1.140     sakharuk 2760: }
                   2761: 
1.288     albertel 2762: 
                   2763: sub get_CODE {
1.381     albertel 2764:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2765:     my $max='1'.'0'x$size;
                   2766:     my $newcode;
                   2767:     while(1) {
1.392     albertel 2768: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2769: 	if (!exists($$all_codes{$newcode})) {
                   2770: 	    $$all_codes{$newcode}=1;
1.381     albertel 2771: 	    if ($type eq 'number' ) {
                   2772: 		return $newcode;
                   2773: 	    } else {
                   2774: 		return &num_to_letters($newcode);
                   2775: 	    }
1.288     albertel 2776: 	}
                   2777:     }
                   2778: }
1.140     sakharuk 2779: 
1.284     albertel 2780: sub print_resources {
1.360     albertel 2781:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2782: 	$LaTeXwidth)=@_;
1.284     albertel 2783:     my $current_output = ''; 
1.375     foxr     2784:     my $printed = '';
1.284     albertel 2785:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2786:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2787:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2788:     if ($person =~ 'anon') {
1.492     foxr     2789: 	$namepostfix .="Name: ";
1.288     albertel 2790: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2791:     }
1.444     foxr     2792:     #  Fullname may have special latex characters that need \ prefixing:
                   2793:     #
                   2794: 
1.350     foxr     2795:     my $i           = 0;
1.284     albertel 2796:     #goes through all resources, checks if they are available for 
                   2797:     #current student, and produces output   
1.428     albertel 2798: 
                   2799:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2800:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2801:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2802:     #
1.441     foxr     2803:     #   end each student with a 
1.440     foxr     2804:     #   Special that allows the post processor to even out the page
                   2805:     #   counts later.  Nasty problem this... it would be really
                   2806:     #   nice to put the special in as a postscript comment
1.441     foxr     2807:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2808:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2809:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2810:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2811:     #
1.568     foxr     2812:     my $syllabus_first = 0;
1.284     albertel 2813:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2814: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2815: 	    if($i != 0) {
                   2816: 		$current_output.= "\\newpage\n";
                   2817: 	    }
                   2818: 	}
                   2819: 	$i++;
1.511     foxr     2820: 
1.284     albertel 2821: 	if ( !($type eq 'problems' && 
                   2822: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2823: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2824: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2825: 		if ($res_url!~m|^ext/|
1.413     albertel 2826: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2827: 		    $printed .= $curresline.':';
1.428     albertel 2828: 		    &Apache::lonxml::remember_problem_counter();    
                   2829: 
1.526     www      2830: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2831: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2832: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2833: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2834: 			my %answerenv = %{$moreenv};
                   2835: 			$answerenv{'answer_output_mode'}='tex';
                   2836: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2837: 			
                   2838: 			&Apache::lonxml::restore_problem_counter();
                   2839: 
1.380     foxr     2840: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2841: 
1.305     sakharuk 2842: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2843: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2844: 			} else {
1.423     foxr     2845: 
                   2846: 			    
                   2847: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2848: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2849: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2850: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2851: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2852: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2853: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2854: 			    $body     = &encapsulate_minipage($body);
                   2855: 			    $rendered = $header.$body;
1.305     sakharuk 2856: 			}
                   2857: 		    }
1.511     foxr     2858: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2859: 			my $url = &Apache::lonnet::clutter($res_url);
                   2860: 			my $annotation = &annotate($url);
                   2861: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2862: 		    }
1.562     foxr     2863: 		    my $junk;
1.305     sakharuk 2864: 		    if ($remove_latex_header eq 'YES') {
                   2865: 			$rendered = &latex_header_footer_remove($rendered);
                   2866: 		    } else {
                   2867: 			$rendered =~ s/\\end{document}//;
                   2868: 		    }
                   2869: 		    $current_output .= $rendered;		    
1.456     raeburn  2870: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     2871: 		    if ($i == 1) {
                   2872: 			$syllabus_first = 1;
                   2873: 		    }
1.375     foxr     2874: 		    $printed .= $curresline.':';
1.528     raeburn  2875: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2876: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2877: 			my $url = &Apache::lonnet::clutter($res_url);
                   2878: 			my $annotation = &annotate($url);
                   2879: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2880: 		    }
1.305     sakharuk 2881: 		    if ($remove_latex_header eq 'YES') {
                   2882: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2883: 		    } else {
1.305     sakharuk 2884: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2885: 		    }
1.421     foxr     2886: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2887: 		} elsif($res_url = ~/\.pdf$/) {
                   2888: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2889: 		    my $rendered  = &include_pdf($url);
                   2890: 		    if ($remove_latex_header ne 'NO') {
                   2891: 			$rendered = &latex_header_footer_remove($rendered);
                   2892: 		    }
                   2893: 		    $current_output .= $rendered;
1.284     albertel 2894: 		} else {
1.414     albertel 2895: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2896: 		    if ($remove_latex_header ne 'NO') {
                   2897: 			$rendered = &latex_header_footer_remove($rendered);
                   2898: 		    } else {
                   2899: 			$rendered =~ s/\\end{document}//;
                   2900: 		    }
                   2901: 		    $current_output .= $rendered;
1.284     albertel 2902: 		}
                   2903: 	    }
                   2904: 	    $remove_latex_header = 'YES';
1.550     foxr     2905: 	} 
1.331     albertel 2906: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2907:     }
1.552     foxr     2908: 
                   2909: 
1.284     albertel 2910:     my $courseidinfo = &get_course();
                   2911:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2912:     my $header_line =
1.486     foxr     2913: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     2914: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 2915:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2916: 	                                         : '\fancyhead[LO]';
                   2917:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     2918:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 2919: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     2920:     } elsif ($syllabus_first) {
                   2921: 
                   2922: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 2923:     } else {
1.476     albertel 2924: 	my $blankpages = 
                   2925: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2926: 	    
                   2927: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2928: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2929: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2930: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2931:     }
1.440     foxr     2932:     #
                   2933:     #  Close the student bracketing.
                   2934:     #
1.375     foxr     2935:     return ($current_output,$fullname, $printed);
1.284     albertel 2936: 
                   2937: }
1.140     sakharuk 2938: 
1.3       sakharuk 2939: sub handler {
                   2940: 
                   2941:     my $r = shift;
1.397     albertel 2942:     
                   2943:     &init_perm();
1.114     bowersj2 2944: 
1.568.4.2! raeburn  2945:     my ($helper,$is_custom);
        !          2946:     if ((&Apache::loncommon::needs_gci_custom()) &&
        !          2947:         ($env{'request.role.domain'} eq 'gcitest')) {
        !          2948:         if ($r->header_only) {
        !          2949:             if ($env{'browser.mathml'}) {
        !          2950:                 &Apache::loncommon::content_type($r,'text/xml');
        !          2951:             } else {
        !          2952:                 &Apache::loncommon::content_type($r,'text/html');
        !          2953:             }
        !          2954:             $r->send_http_header;
        !          2955:             return OK;
        !          2956:         }
        !          2957:         # Send header, nocache
        !          2958:         if ($env{'browser.mathml'}) {
        !          2959:             &Apache::loncommon::content_type($r,'text/xml');
        !          2960:         } else {
        !          2961:             &Apache::loncommon::content_type($r,'text/html');
        !          2962:         }
        !          2963:         &Apache::loncommon::no_cache($r);
        !          2964:         $r->send_http_header;
        !          2965:         $r->rflush();
1.416     foxr     2966: 
1.568.4.2! raeburn  2967:         my ($navmap_error,$resources,@master_seq);
        !          2968:         my $navmap = Apache::lonnavmaps::navmap->new();
        !          2969:         if (!defined($navmap)) {
        !          2970:             my $brcrum = [{'href' => '',
        !          2971:                            'text' => 'Preparing Printout'}];
        !          2972: 
        !          2973:             my $start_page  =
        !          2974:                 &Apache::loncommon::start_page('Preparing Printout','',
        !          2975:                                                {'bread_crumbs' => $brcrum,});
        !          2976:             my $endpage = &Apache::loncommon::end_page();
        !          2977: 
        !          2978:             my $navmap_error = '<span class="LC_error">'.&mt('An error occurred retrieving information about the course.').'<br />'.&mt('It is recommended that you re-select the concept test by clicking on the "Review Questions" tab and then clicking on the "Manage Tests" tab again.').'</span>';
        !          2979:             $r->print($start_page.$navmap_error.$endpage);
        !          2980:             return OK;
        !          2981:         } else {
        !          2982:             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
        !          2983:             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
        !          2984:             my @allres=$navmap->retrieveResources('/uploaded/'.$cdom.'/'.$cnum.'/default_1261144274.sequence');
        !          2985:             foreach my $resource (@allres) {
        !          2986:                 next if ($resource->is_map());
        !          2987:                 my $symb = $resource->symb();
        !          2988:                 push(@master_seq,$symb);
        !          2989:             }
        !          2990:             $resources = join('|||',@master_seq);
        !          2991:             my ($sequence,$middle_thingy,$urlp) =
        !          2992:                 &Apache::lonnet::decode_symb($master_seq[0]);
        !          2993: 
        !          2994:             my $assignment = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header');
        !          2995: 
        !          2996:             $helper = {
        !          2997:                    VARS => {
        !          2998:                             ANON_CODE_STORAGE_NAME => '',
        !          2999:                             ANSWER_TYPE => 'yes',
        !          3000:                             CODE_OPTION => '',
        !          3001:                             EMPTY_PAGES => '',
        !          3002:                             FINISHPAGE => '',
        !          3003:                             FORMAT => 'P|1|letter|no',
        !          3004:                             LATEX_TYPE => 'batchmode',
        !          3005:                             NUMBER_TO_PRINT_TOTAL => '',
        !          3006:                             PRINT_ANNOTATIONS => 'no',
        !          3007:                             PRINT_DISCUSSIONS => 'no',
        !          3008:                             PRINT_TYPE => 'map_problems',
        !          3009:                             RESOURCES => $resources,
        !          3010:                             REUSE_OLD_CODES => '',
        !          3011:                             SEQUENCE => '',
        !          3012:                             SINGLE_CODE => '',
        !          3013:                             SPLIT_PDFS => '',
        !          3014:                             STUDENTS => '',
        !          3015:                             TABLE_CONTENTS => 'no',
        !          3016:                             TABLE_INDEX => 'no',
        !          3017:                             assignment => $assignment,
        !          3018:                             construction => '',
        !          3019:                             curseed => '',
        !          3020:                             filename => '',
        !          3021:                             fontsize => 'normalsize',
        !          3022:                             pagesize => '',
        !          3023:                             'pagesize.height' => '9.8',
        !          3024:                             'pagesize.heightunit' => 'in',
        !          3025:                             'pagesize.lmargin' => '-0.57',
        !          3026:                             'pagesize.lmarginunit' => 'in',
        !          3027:                             'pagesize.width' => '7.1',
        !          3028:                             'pagesize.widthunit' => 'in',
        !          3029:                             postdata => $urlp,
        !          3030:                             probstatus => '',
        !          3031:                             showallfoils => '',
        !          3032:                             student_sort => '',
        !          3033:                             style_file => '',
        !          3034:                             symb => $master_seq[0],
        !          3035:                            }
        !          3036:                          };
        !          3037:             $env{'form.assignment'} = $assignment;
        !          3038:             $is_custom = 1;
        !          3039:         }
        !          3040:     } else {
        !          3041:         $helper = printHelper($r);
        !          3042:         if (!ref($helper)) {
        !          3043:             return $helper;
        !          3044:         }
1.60      sakharuk 3045:     }
1.184     sakharuk 3046: 
1.454     foxr     3047:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.350     foxr     3048: 
                   3049: 
1.367     foxr     3050:     #  If a figure conversion queue file exists for this user.domain
                   3051:     # we delete it since it can only be bad (if it were good, printout.pl
                   3052:     # would have deleted it the last time around.
                   3053: 
1.373     albertel 3054:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3055:     if(-e $conversion_queuefile) {
1.568.4.2! raeburn  3056:         unlink $conversion_queuefile;
1.367     foxr     3057:     }
1.515     foxr     3058: 
1.568.4.2! raeburn  3059: 
        !          3060:     &output_data($r,$helper,\%parmhash,$is_custom);
1.2       sakharuk 3061:     return OK;
1.568.4.2! raeburn  3062: }
1.2       sakharuk 3063: 
1.131     bowersj2 3064: use Apache::lonhelper;
1.130     sakharuk 3065: 
1.223     bowersj2 3066: sub addMessage {
                   3067:     my $text = shift;
                   3068:     my $paramHash = Apache::lonhelper::getParamHash();
                   3069:     $paramHash->{MESSAGE_TEXT} = $text;
                   3070:     Apache::lonhelper::message->new();
                   3071: }
                   3072: 
1.416     foxr     3073: 
1.238     bowersj2 3074: 
1.397     albertel 3075: sub init_perm {
                   3076:     undef(%perm);
                   3077:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3078:     if (!$perm{'pav'}) {
                   3079: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3080: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3081:     }
1.465     albertel 3082:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3083:     if (!$perm{'pfo'}) {
                   3084: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3085: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3086:     }
                   3087: }
                   3088: 
1.507     albertel 3089: sub get_randomly_ordered_warning {
                   3090:     my ($helper,$map) = @_;
                   3091: 
                   3092:     my $message;
                   3093: 
                   3094:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3095:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3096:     if (defined($navmap)) {
                   3097:         my $res = $navmap->getResourceByUrl($map);
                   3098:         if ($res) {
                   3099: 	    my $func = 
                   3100: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3101: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3102: 	    if (@matches) {
                   3103: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3104: 	    }
                   3105:         }
                   3106:         if ($message) {
                   3107: 	    return '<message type="warning">'.$message.'</message>';
                   3108:         }
                   3109:     } else {
                   3110:         $message = "Retrieval of information about ordering of resources failed."; 
                   3111:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3112:     }
                   3113:     return;
                   3114: }
                   3115: 
1.131     bowersj2 3116: sub printHelper {
1.115     bowersj2 3117:     my $r = shift;
                   3118: 
                   3119:     if ($r->header_only) {
1.373     albertel 3120:         if ($env{'browser.mathml'}) {
1.241     www      3121:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3122:         } else {
1.241     www      3123:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3124:         }
                   3125:         $r->send_http_header;
                   3126:         return OK;
1.115     bowersj2 3127:     }
                   3128: 
1.131     bowersj2 3129:     # Send header, nocache
1.373     albertel 3130:     if ($env{'browser.mathml'}) {
1.241     www      3131:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3132:     } else {
1.241     www      3133:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3134:     }
                   3135:     &Apache::loncommon::no_cache($r);
                   3136:     $r->send_http_header;
                   3137:     $r->rflush();
                   3138: 
1.131     bowersj2 3139:     # Unfortunately, this helper is so complicated we have to
                   3140:     # write it by hand
                   3141: 
                   3142:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3143:     
1.176     bowersj2 3144:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3145:     $helper->declareVar('symb');
1.156     bowersj2 3146:     $helper->declareVar('postdata');    
1.290     sakharuk 3147:     $helper->declareVar('curseed'); 
                   3148:     $helper->declareVar('probstatus');   
1.156     bowersj2 3149:     $helper->declareVar('filename');
                   3150:     $helper->declareVar('construction');
1.178     sakharuk 3151:     $helper->declareVar('assignment');
1.262     sakharuk 3152:     $helper->declareVar('style_file');
1.340     foxr     3153:     $helper->declareVar('student_sort');
1.363     foxr     3154:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3155:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3156:     $helper->declareVar("showallfoils");
1.483     foxr     3157:     $helper->declareVar("STUDENTS");
1.363     foxr     3158: 
1.518     foxr     3159: 
                   3160:    
                   3161: 
                   3162: 
1.363     foxr     3163:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     3164:     # But we only do this in the initial state so that they are allowed to change.
                   3165:     #
1.366     foxr     3166: 
1.416     foxr     3167:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     3168:     
                   3169:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3170: 						{'pagebreaks'  => 'scalar',
                   3171: 					         'lastprinttype' => 'scalar'});
                   3172:     
1.483     foxr     3173:     # This will persistently load in the data we want from the
                   3174:     # very first screen.
1.394     foxr     3175:     
                   3176:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3177: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3178: 	    
                   3179: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3180: 	} else {
                   3181: 	    my $state = $env{"form.CURRENT_STATE"};
                   3182: 	    if ($state eq "START") {
                   3183: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3184: 	    }
                   3185: 	}
                   3186: 	
1.366     foxr     3187:     }
1.481     albertel 3188: 
1.156     bowersj2 3189:     # Detect whether we're coming from construction space
1.373     albertel 3190:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3191:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3192:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3193:     } else {
1.373     albertel 3194:         if ($env{'form.postdata'}) {
                   3195:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3196: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3197: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3198: 	    }
1.156     bowersj2 3199:         }
1.373     albertel 3200:         if ($env{'form.symb'}) {
                   3201:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3202:         }
1.373     albertel 3203:         if ($env{'form.url'}) {
1.156     bowersj2 3204:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3205:         }
1.416     foxr     3206: 
1.157     bowersj2 3207:     }
1.481     albertel 3208: 
1.373     albertel 3209:     if ($env{'form.symb'}) {
                   3210:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3211:     }
1.373     albertel 3212:     if ($env{'form.url'}) {
1.140     sakharuk 3213:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3214: 
1.140     sakharuk 3215:     }
1.343     albertel 3216:     $helper->{VARS}->{'symb'}=
                   3217: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3218:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3219:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3220: 
1.156     bowersj2 3221:     
1.146     bowersj2 3222:     # Extract map
                   3223:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3224:     my ($map, $id, $url);
                   3225:     my $subdir;
1.483     foxr     3226:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3227: 
                   3228:     # Get the resource name from construction space
                   3229:     if ($helper->{VARS}->{'construction'}) {
                   3230:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3231:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3232:         $subdir = substr($helper->{VARS}->{'filename'},
                   3233:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3234:     } else {
1.562     foxr     3235: 	# From course space:
                   3236: 
1.482     albertel 3237: 	if ($symb ne '') {
                   3238: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3239: 	    $helper->{VARS}->{'postdata'} = 
                   3240: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3241: 	} else {
                   3242: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3243: 	    $is_published=1;	# From resource space.
1.482     albertel 3244: 	}
                   3245: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3246:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3247:             my $postdata = $helper->{VARS}->{'postdata'};
                   3248:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3249:         }
                   3250:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3251:     }
1.373     albertel 3252:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3253: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3254:     }
1.373     albertel 3255:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3256: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3257:     }
1.115     bowersj2 3258: 
1.192     bowersj2 3259:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3260: 
1.481     albertel 3261:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3262: 
1.131     bowersj2 3263:     # "Delete everything after the last slash."
1.119     bowersj2 3264:     $subdir =~ s|/[^/]+$||;
                   3265: 
1.131     bowersj2 3266:     # What can be printed is a very dynamic decision based on
                   3267:     # lots of factors. So we need to dynamically build this list.
                   3268:     # To prevent security leaks, states are only added to the wizard
                   3269:     # if they can be reached, which ensures manipulating the form input
                   3270:     # won't allow anyone to reach states they shouldn't have permission
                   3271:     # to reach.
                   3272: 
                   3273:     # printChoices is tracking the kind of printing the user can
                   3274:     # do, and will be used in a choices construction later.
                   3275:     # In the meantime we will be adding states and elements to
                   3276:     # the helper by hand.
                   3277:     my $printChoices = [];
                   3278:     my $paramHash;
1.130     sakharuk 3279: 
1.240     albertel 3280:     if ($resourceTitle) {
1.458     www      3281:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3282:     }
                   3283: 
1.238     bowersj2 3284:     # Useful filter strings
1.540     raeburn  3285:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3286:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3287:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3288:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3289:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3290:     my $isMap = '$res->is_map()';
1.342     albertel 3291:     my $symbFilter = '$res->shown_symb()';
                   3292:     my $urlValue = '$res->link()';
1.238     bowersj2 3293: 
                   3294:     $helper->declareVar('SEQUENCE');
                   3295: 
1.465     albertel 3296:     # If we're in a sequence...
1.416     foxr     3297: 
1.465     albertel 3298:     my $start_new_option;
                   3299:     if ($perm{'pav'}) {
                   3300: 	$start_new_option = 
                   3301: 	    "<option text='".&mt('Start new page<br />before selected').
                   3302: 	    "' variable='FINISHPAGE' />";
                   3303:     }
1.238     bowersj2 3304: 
1.562     foxr     3305:     # If not construction space user can print the components of a page:
                   3306: 
                   3307:     my $page_ispage;
                   3308:     my $page_title;
                   3309:     if (!$helper->{VARS}->{'construction'}) {
                   3310: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3311: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3312: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3313: 	if (defined($page_navmap)) {
                   3314: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3315: 	    if(defined($page_resources[0])) {
                   3316: 		$page_ispage       = $page_resources[0]->is_page();
                   3317: 		$page_title     = $page_resources[0]->title();
                   3318: 		my $resourcesymb   = $page_resources[0]->symb();
                   3319: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3320: 		if ($page_ispage) {
                   3321: 		    push @{$printChoices}, 
                   3322: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3323: 		     'map_problems_in_page', 
                   3324: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3325: 		    push @{$printChoices}, 
                   3326: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3327: 		     'map_resources_in_page', 
                   3328: 		     'CHOOSE_RESOURCES_PAGE'];
                   3329: 		}
1.562     foxr     3330:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3331: 							'Select Problem(s) to print',
                   3332: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3333: 							'RESOURCES',
                   3334: 							'PAGESIZE',
                   3335: 							$url,
                   3336: 							$isProblem, '',  $symbFilter,
                   3337: 							$start_new_option);
                   3338: 
                   3339: 
                   3340:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3341: 						    'Select Resource(s) to print',
                   3342: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3343: 						    'RESOURCES',
                   3344: 						    'PAGESIZE',
                   3345: 						    $url,
                   3346: 						    $isNotMap, '', $symbFilter,
                   3347: 						    $start_new_option);
                   3348: 
                   3349: 						    
                   3350: 
                   3351: 
                   3352: 
                   3353: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3354: 	
1.563     foxr     3355: 	    }
                   3356: 	}
1.562     foxr     3357:     }
                   3358: 
                   3359:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3360: 	$helper->{VARS}->{'postdata'} &&
                   3361: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3362:         # Allow problems from sequence
1.562     foxr     3363:         push @{$printChoices}, 
                   3364: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3365: 	     'map_problems', 
                   3366: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3367:         # Allow all resources from sequence
1.562     foxr     3368:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3369: 				'map_problems_pages', 
                   3370: 				'CHOOSE_PROBLEMS_HTML'];
                   3371:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3372: 							'Select Problem(s) to print',
                   3373: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3374: 							'RESOURCES',
                   3375: 							'PAGESIZE',
                   3376: 							$map,
                   3377: 							$isProblem, '',
                   3378: 							$symbFilter,
                   3379: 							$start_new_option);
                   3380: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3381: 						      'Select Resource(s) to print',
                   3382: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3383: 						      'RESOURCES',
                   3384: 						      'PAGESIZE',
                   3385: 						      $map,
                   3386: 						      $isNotMap, '',
                   3387: 						      $symbFilter,
                   3388: 						      $start_new_option);
1.121     bowersj2 3389: 
1.326     sakharuk 3390: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3391:     }
                   3392: 
1.546     bisitz   3393:     # If the user has pfo (print for others) allow them to print all 
                   3394:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3395:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3396:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3397:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3398: 
1.509     albertel 3399:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3400: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3401: 	push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
1.562     foxr     3402: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3403:   <state name="STUDENTS1" title="Select People">
                   3404:       <message><b>Select sorting order of printout</b> </message>
                   3405:     <choices variable='student_sort'>
                   3406:       <choice computer='0'>Sort by section then student</choice>
                   3407:       <choice computer='1'>Sort by students across sections.</choice>
                   3408:     </choices>
                   3409:       <message><br /><hr /><br /> </message>
                   3410:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3411:   </state>
1.284     albertel 3412: ALL_PROBLEMS
1.562     foxr     3413:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3414: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3415: 							      'SelectProblem(s) to print',
                   3416: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3417: 							      'RESOURCES',
                   3418: 							      'PAGESIZE',
                   3419: 							      '',
                   3420: 							      $isProblemOrMap, $isNotMap,
                   3421: 							      $symbFilter,
                   3422: 							      $start_new_option) .
                   3423: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3424: 							      'Select Resource(s) to print',
                   3425: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3426: 							      'RESOURCES',
                   3427: 							      'PAGESIZE',
                   3428: 							      '',
                   3429: 							      $isNotMap,'',$symbFilter,
                   3430: 							      $start_new_option) .
                   3431: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3432: 							      'Select Problem(s) to print',
                   3433: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3434: 							      'RESOURCES',
                   3435: 							      'STUDENTS1',
                   3436: 							      '',
                   3437: 							      $isProblemOrMap,'' , $symbFilter,
                   3438: 							      $start_new_option) .
                   3439: 				     $suffixXml
                   3440: 				   );
1.132     bowersj2 3441: 
1.284     albertel 3442: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3443: 
                   3444: 	    # If we were looking at a page, allow a selection of problems from the page
                   3445: 	    # either for selected students or for coded assignments.
                   3446: 
                   3447: 	    if ($page_ispage) {
                   3448: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3449: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3450: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3451: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3452: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3453: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3454: 	    }
                   3455: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3456: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3457: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3458: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3459: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3460: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3461: 	}
1.424     foxr     3462: 
1.507     albertel 3463: 	my $randomly_ordered_warning = 
                   3464: 	    &get_randomly_ordered_warning($helper,$map);
                   3465: 
1.424     foxr     3466: 	# resource_selector will hold a few states that:
                   3467: 	#   - Allow resources to be selected for printing.
                   3468: 	#   - Determine pagination between assignments.
                   3469: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3470:         # TODO:
                   3471: 	#    Probably good to do things like separate this up into several vars, each
                   3472: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3473: 	#    and next states for better mix and match capability
                   3474: 	#
1.562     foxr     3475: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3476: 							  'Select resources to print',
                   3477: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3478: 							  'RESOURCES', 
                   3479: 							  'PRINT_FORMATTING',
1.568.4.1  raeburn  3480: 							  $map,
1.562     foxr     3481: 							  $isProblem, '', $symbFilter,
                   3482: 							  $start_new_option);
                   3483: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3484:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3485:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3486:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3487:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3488:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3489:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3490:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3491:     </choices>
1.424     foxr     3492:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3493:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3494:     <choices variable="SPLIT_PDFS">
                   3495:        <choice computer="all">All assignments in a single PDF file</choice>
                   3496:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3497:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3498:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3499:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3500:     </choices>
1.424     foxr     3501:     </state>
1.284     albertel 3502: RESOURCE_SELECTOR
1.562     foxr     3503:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3504: 							'Select Problem(s) to print',
                   3505: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3506: 							'RESOURCES',
                   3507: 							'PRINT_FORMATTING',
                   3508: 							$url,
                   3509: 							$isProblem, '',  $symbFilter,
                   3510: 							$start_new_option);
                   3511: 
                   3512: 
                   3513: # Generate student choosers.
                   3514: 
                   3515: 
1.284     albertel 3516: 
1.562     foxr     3517:         &Apache::lonxml::xmlparse($r, 'helper',
                   3518: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3519: 							    'student_sort',
                   3520: 							    'STUDENTS',
                   3521: 							    'CHOOSE_STUDENTS_PAGE'));
                   3522: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3523: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3524: 							    'student_sort',
                   3525: 							    'STUDENTS',
                   3526: 							    'SELECT_PROBLEMS'));
                   3527: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3528: 
1.373     albertel 3529: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3530: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3531:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3532: 	my $namechoice='<choice></choice>';
1.337     albertel 3533: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3534: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3535: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3536: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3537: 	}
1.389     foxr     3538: 
                   3539: 
                   3540: 	my %code_values;
1.405     albertel 3541: 	my %codes_to_print;
1.411     albertel 3542: 	foreach my $key (@names) {
1.389     foxr     3543: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3544: 	    foreach my $key (keys(%code_values)) {
                   3545: 		$codes_to_print{$key} = 1;
1.388     foxr     3546: 	    }
                   3547: 	}
1.389     foxr     3548: 
1.452     albertel 3549: 	my $code_selection;
1.405     albertel 3550: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3551: 	    my $choice  = $code;
                   3552: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3553: 		$choice = &letters_to_num($code);
                   3554: 	    }
1.432     albertel 3555: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3556: 	}
1.436     albertel 3557: 	if (%codes_to_print) {
                   3558: 	    $code_selection .='   
1.472     albertel 3559: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3560: 		<message></td><td></message>
1.452     albertel 3561: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3562:                   <choice></choice>
1.448     albertel 3563:                   <exec>
                   3564:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3565:                   </exec>
1.452     albertel 3566: 		</dropdown>
1.468     foxr     3567: 	    <message></td></tr><tr><td></message>
1.436     albertel 3568:             '.$/;
1.448     albertel 3569: 
1.436     albertel 3570: 	}
1.432     albertel 3571: 
1.542     raeburn  3572:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3573: 	my $codechoice='';
1.542     raeburn  3574: 	foreach my $line (@lines) {
1.381     albertel 3575: 	    my ($name,$description,$code_type,$code_length)=
                   3576: 		(split(/:/,$line))[0,1,2,4];
                   3577: 	    if ($code_length > 0 && 
                   3578: 		$code_type =~/^(letter|number|-1)/) {
                   3579: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3580: 	    }
                   3581: 	}
                   3582: 	if ($codechoice eq '') {
                   3583: 	    $codechoice='<choice computer="default">Default</choice>';
                   3584: 	}
1.562     foxr     3585: 	my $anon1 = &generate_code_selector($helper, 
                   3586: 					    'CHOOSE_ANON1',
                   3587: 					    'SELECT_PROBLEMS',
                   3588: 					    $codechoice,
                   3589: 					    $code_selection,
                   3590: 					    $namechoice) . $resource_selector;
                   3591: 					    
                   3592: 					    
                   3593:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3594: 
                   3595: 	my $anon_page = &generate_code_selector($helper,
                   3596: 						'CHOOSE_ANON1_PAGE',
                   3597: 						'SELECT_PROBLEMS_PAGE',
                   3598: 						$codechoice,
                   3599: 						$code_selection,
                   3600: 						$namechoice) .
                   3601: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3602: 						   'Select Problem(s) to print',
                   3603: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3604: 						   'RESOURCES',
                   3605: 						   'PRINT_FORMATTING',
                   3606: 						   $url,
                   3607: 						   $isProblem, '',  $symbFilter,
                   3608: 						   $start_new_option);
                   3609: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3610: 
1.272     sakharuk 3611: 
1.254     sakharuk 3612: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3613: 	    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'];
                   3614: 	    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 3615: 	}
1.284     albertel 3616: 	    
                   3617: 
                   3618: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3619:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3620:     $randomly_ordered_warning
1.424     foxr     3621:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3622:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3623:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3624:               closeallpages="1">
1.254     sakharuk 3625:       <filterfunc>return $isNotMap;</filterfunc>
                   3626:       <mapurl>$map</mapurl>
                   3627:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3628:       $start_new_option
1.254     sakharuk 3629:       </resource>
1.424     foxr     3630:     </state>
1.562     foxr     3631: 
1.424     foxr     3632:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3633:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3634:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3635:     <choices variable="EMPTY_PAGES">
                   3636:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3637:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3638:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3639:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3640:     </choices>
1.424     foxr     3641:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3642:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3643:     <choices variable="SPLIT_PDFS">
                   3644:        <choice computer="all">All assignments in a single PDF file</choice>
                   3645:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3646:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3647:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3648:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3649:     </choices>
1.424     foxr     3650:     </state>
1.284     albertel 3651: RESOURCE_SELECTOR
                   3652: 
                   3653: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3654:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3655:     <choices variable='student_sort'>
                   3656:       <choice computer='0'>Sort by section then student</choice>
                   3657:       <choice computer='1'>Sort by students across sections.</choice>
                   3658:     </choices>
1.437     foxr     3659:     <message><br /><hr /><br /></message>
1.426     foxr     3660:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3661: 
1.424     foxr     3662:     </state>
1.284     albertel 3663:     $resource_selector
1.254     sakharuk 3664: CHOOSE_STUDENTS1
                   3665: 
1.284     albertel 3666: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3667:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3668:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3669:     <message><h4>Fill out one of the forms below</h4></message>
                   3670:     <message><br /><hr /> <br /></message>
                   3671:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3672:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3673:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3674:        <validator>
                   3675: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3676: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3677: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3678: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3679: 	    return "You need to specify the number of assignments to print";
                   3680: 	}
                   3681: 	return undef;
                   3682:        </validator>
                   3683:     </string>
                   3684:     <message></td></tr><tr><td></message>
1.501     albertel 3685:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3686:     <message></td><td></message>
                   3687:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3688:     <message></td></tr><tr><td></message>
                   3689:     <message><b>Bubble sheet type:</b></message>
                   3690:     <message></td><td></message>
                   3691:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3692:     $codechoice
                   3693:     </dropdown>
1.472     albertel 3694:     <message></td></tr><tr><td></table></message>
                   3695:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3696:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3697:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3698:         <validator>
                   3699: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3700: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3701: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3702: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3703: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3704: 	   } else {
                   3705: 	       return undef;	# Other forces control us.
                   3706: 	   }
                   3707:         </validator>
                   3708:     </string>
1.472     albertel 3709:     <message></td></tr><tr><td></message>
1.432     albertel 3710:         $code_selection
1.472     albertel 3711:     <message></td></tr></table></message>
                   3712:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3713:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3714:     <message></td><td></message>
1.294     albertel 3715:     <dropdown variable="REUSE_OLD_CODES">
                   3716:         $namechoice
                   3717:     </dropdown>
1.412     albertel 3718:     <message></td></tr></table></message>
1.424     foxr     3719:   </state>
1.284     albertel 3720:     $resource_selector
                   3721: CHOOSE_ANON2
1.481     albertel 3722:     }
                   3723: 
1.121     bowersj2 3724:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3725:     if (($perm{'pav'} 
1.482     albertel 3726: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3727: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3728: 	    ||
                   3729: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3730: 	     && 
                   3731: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3732: 	    )) 
                   3733: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3734: 	) {
                   3735: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3736:         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 3737:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3738:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3739: 
1.138     bowersj2 3740:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3741:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3742:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3743: CHOOSE_FROM_SUBDIR
                   3744:         
1.238     bowersj2 3745:         # this is broken up because I really want interpolation above,
                   3746:         # and I really DON'T want it below
1.139     bowersj2 3747:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3748:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3749: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3750:       </filefilter>
1.138     bowersj2 3751:       </files>
1.131     bowersj2 3752:     </state>
                   3753: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3754:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3755:     }
1.238     bowersj2 3756: 
                   3757:     # Allow the user to select any sequence in the course, feed it to
                   3758:     # another resource selector for that sequence
1.483     foxr     3759:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3760: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3761: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3762: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3763: 	#Escape apostrophes and backslashes for Perl
                   3764: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3765: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3766: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3767:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3768:     <message>Select the sequence to print resources from:</message>
                   3769:     <resource variable="SEQUENCE">
                   3770:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3771:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3772:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3773:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3774: 	</choicefunc>
1.238     bowersj2 3775:       </resource>
                   3776:     </state>
                   3777:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3778:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3779:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3780:               closeallpages="1">
1.238     bowersj2 3781:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3782:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3783:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3784:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3785:       $start_new_option
1.238     bowersj2 3786:       </resource>
                   3787:     </state>
                   3788: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3789: }
1.481     albertel 3790: 
1.131     bowersj2 3791:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3792:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3793:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3794:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3795:     Apache::lonhelper::message->new();
                   3796:     $paramHash = Apache::lonhelper::getParamHash();
                   3797:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3798:     $paramHash->{CHOICES} = $printChoices;
                   3799:     Apache::lonhelper::choices->new();
1.161     bowersj2 3800: 
1.223     bowersj2 3801:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3802:                           # to close it later)
                   3803: 
1.397     albertel 3804:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3805: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3806: 	&addMessage('<br />'
                   3807:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3808:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3809:                    .&Apache::lonhtmlcommon::row_title(
                   3810:                        '<label for="ANSWER_TYPE_forminput">'
                   3811:                       .&mt('Print Answers')
                   3812:                       .'</label>'
                   3813:                     )
                   3814:         );
1.161     bowersj2 3815:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3816: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3817: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3818:         $paramHash->{CHOICES} = [
1.242     sakharuk 3819:                                    ['Without Answers', 'yes'],
                   3820:                                    ['With Answers', 'no'],
1.368     albertel 3821:                                    ['Only Answers', 'only']
1.289     sakharuk 3822:                                 ];
1.210     sakharuk 3823:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3824: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3825: 	$startedTable = 1;
1.556     foxr     3826: 
                   3827: #
                   3828: #  Select font size.
                   3829: #
                   3830: 
                   3831:             $helper->declareVar('fontsize');
                   3832:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3833:             my $xmlfrag = << "FONT_SELECTION";
                   3834: 
                   3835:           
                   3836:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3837:             <defaultvalue>
                   3838: 		  return 'normalsize';
                   3839:             </defaultvalue>
                   3840:             <choice computer='tiny'>Tiny</choice>
                   3841:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3842:             <choice computer='footnotesize'>Footnote Size</choice>
                   3843:             <choice computer='small'>Small</choice>
                   3844:             <choice computer='normalsize'>Normal (default)</choice>
                   3845:             <choice computer='large'>larger than normal</choice>
                   3846:             <choice computer='Large'>Even larger than normal</choice>
                   3847:             <choice computer='LARGE'>Still larger than normal</choice>
                   3848:             <choice computer='huge'>huge font size</choice>
                   3849:             <choice computer='Huge'>Largest possible size</choice>
                   3850:             </dropdown>
                   3851: FONT_SELECTION
                   3852:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3853:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3854:     }
1.209     sakharuk 3855: 
1.397     albertel 3856:     if ($perm{'pav'}) {
1.223     bowersj2 3857: 	if (!$startedTable) {
1.497     www      3858: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3859:                        '<label for="LATEX_TYPE_forminput">'.
                   3860:                        &mt('LaTeX mode').
                   3861:                        "</label>: </td><td>");
1.223     bowersj2 3862: 	    $startedTable = 1;
                   3863: 	} else {
1.544     bisitz   3864: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3865:                            '<label for="LATEX_TYPE_forminput">'
                   3866:                            .&mt('LaTeX mode')
                   3867:                            .'</label>'
                   3868:                         )
                   3869:             );
1.223     bowersj2 3870: 	}
1.203     sakharuk 3871:         $paramHash = Apache::lonhelper::getParamHash();
                   3872: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3873: 	$helper->declareVar('LATEX_TYPE');  
                   3874: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3875: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3876: 				     ['standard LaTeX mode', 'standard'], 
                   3877: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3878: 	} else {
                   3879: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3880: 				     ['LaTeX batchmode', 'batchmode'],
                   3881: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3882: 	}
1.210     sakharuk 3883:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3884:  
1.544     bisitz   3885: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3886:                    .&Apache::lonhtmlcommon::row_title(
                   3887:                         '<label for="TABLE_CONTENTS_forminput">'
                   3888:                        .&mt('Print Table of Contents')
                   3889:                        .'</label>'
                   3890:                     )
                   3891:         );
1.209     sakharuk 3892:         $paramHash = Apache::lonhelper::getParamHash();
                   3893: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3894: 	$helper->declareVar('TABLE_CONTENTS');         
                   3895:         $paramHash->{CHOICES} = [
1.223     bowersj2 3896:                                    ['No', 'no'],
                   3897:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3898:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3899: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3900:         
1.220     sakharuk 3901: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3902: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3903:                             '<label for="TABLE_INDEX_forminput">'
                   3904:                            .&mt('Print Index')
                   3905:                            .'</label>'
                   3906:                         )
                   3907:             );
1.220     sakharuk 3908: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3909: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3910: 	    $helper->declareVar('TABLE_INDEX');         
                   3911: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3912: 				     ['No', 'no'],
                   3913: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3914: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3915:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3916:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3917:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3918:                            .&mt('Print Discussions')
                   3919:                            .'</label>'
                   3920:                         )
                   3921:             );
1.309     sakharuk 3922: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3923: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3924: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3925: 	    $paramHash->{CHOICES} = [
                   3926: 				     ['No', 'no'],
                   3927: 				     ['Yes', 'yes'] ];
                   3928: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3929:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3930: 
1.511     foxr     3931: 	    # Prompt for printing annotations too.
                   3932: 		
1.545     bisitz   3933: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3934:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3935:                            .&mt('Print Annotations')
                   3936:                            .'</label>'
                   3937:                         )
                   3938:             );
1.511     foxr     3939: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3940: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3941: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3942: 	    $paramHash->{CHOICES} = [
                   3943: 				     ['No', 'no'],
                   3944: 				     ['Yes', 'yes']];
                   3945: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3946:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3947: 
1.545     bisitz   3948:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3949: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3950: 	    $paramHash->{'multichoice'} = "true";
                   3951: 	    $paramHash->{'allowempty'}  = "true";
                   3952: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   3953: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 3954: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3955:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3956: 	}
1.219     sakharuk 3957: 
1.230     albertel 3958: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3959: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3960:             my $randseedtext=&mt("Use random seed");
                   3961:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3962:             my $selectfiletext=&mt("Select style file");
1.497     www      3963: 
1.544     bisitz   3964: 	    my $xmlfrag .= '<message>'
                   3965:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3966:                                               .$randseedtext
                   3967:                                               .'</label>'
                   3968:              )
                   3969:             .'</message>
                   3970:             <string variable="curseed" size="15" maxlength="15">
                   3971:                 <defaultvalue>
                   3972:                    return '.$helper->{VARS}->{'curseed'}.';
                   3973:                 </defaultvalue>'
                   3974:             .'</string>'
                   3975:             .'<message>'
                   3976:             .&Apache::lonhtmlcommon::row_closure()
                   3977:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3978:                                               .$stylefiletext
                   3979:                                               .'</label>'
                   3980:              )
                   3981:             .'</message>
1.504     albertel 3982:              <string variable="style_file" size="40">
1.544     bisitz   3983:                 <defaultvalue>
                   3984:                     return '.$stylevalue.';
                   3985:                 </defaultvalue>
                   3986:              </string><message>&nbsp;'
                   3987: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   3988: .$selectfiletext.'</a>'
                   3989:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   3990:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   3991:             .'</message>
1.371     foxr     3992: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   3993:                 <choice computer="1">&nbsp;</choice>
                   3994:              </choices>'
                   3995: 	    .'<message>'
                   3996:             .&Apache::lonhtmlcommon::row_closure()
                   3997:             .'</message>';
1.230     albertel 3998:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3999: 
                   4000: 
1.544     bisitz   4001:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4002: 	    #
                   4003: 	    # Initial value from construction space:
                   4004: 	    #
                   4005: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4006: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4007: 	    }
1.518     foxr     4008: 	    $xmlfrag = << "PROBTYPE";
                   4009: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4010: 		   <defaultvalue>
                   4011: 		      return "$helper->{VARS}->{'probstatus'}";
                   4012:                    </defaultvalue>
                   4013: 		   <choice computer="problem">Homework Problem</choice>
                   4014: 		   <choice computer="exam">Exam Problem</choice>
                   4015: 		   <choice computer="survey">Survey question</choice>
                   4016: 		</dropdown>
                   4017: PROBTYPE
                   4018:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4019:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4020: 
1.556     foxr     4021: 
                   4022: 
1.544     bisitz   4023:         }
1.223     bowersj2 4024:     }
1.264     sakharuk 4025: 
                   4026: 
                   4027: 
1.218     sakharuk 4028: 
1.223     bowersj2 4029:     if ($startedTable) {
1.544     bisitz   4030:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4031:     }
1.161     bowersj2 4032: 
1.131     bowersj2 4033:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4034: 
1.144     bowersj2 4035:     # Generate the PAGESIZE state which will offer the user the margin
                   4036:     # choices if they select one column
                   4037:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4038:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4039: 
                   4040: 
1.131     bowersj2 4041:     $helper->process();
                   4042: 
1.416     foxr     4043: 
1.131     bowersj2 4044:     # MANUAL BAILOUT CONDITION:
                   4045:     # If we're in the "final" state, bailout and return to handler
                   4046:     if ($helper->{STATE} eq 'FINAL') {
                   4047:         return $helper;
                   4048:     }    
1.130     sakharuk 4049: 
1.131     bowersj2 4050:     $r->print($helper->display());
1.395     www      4051:     if ($helper->{STATE} eq 'START') {
                   4052: 	&recently_generated($r);
                   4053:     }
1.333     albertel 4054:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4055: 
                   4056:     return OK;
                   4057: }
                   4058: 
1.1       www      4059: 
                   4060: 1;
1.119     bowersj2 4061: 
                   4062: package Apache::lonprintout::page_format_state;
                   4063: 
                   4064: =pod
                   4065: 
1.131     bowersj2 4066: =head1 Helper element: page_format_state
                   4067: 
                   4068: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4069: 
1.131     bowersj2 4070: Apache::lonprintout::page_format_state is an element that gives the 
                   4071: user an opportunity to select the page layout they wish to print 
                   4072: with: Number of columns, portrait/landscape, and paper size. If you 
                   4073: want to change the paper size choices, change the @paperSize array 
                   4074: contents in this package.
1.119     bowersj2 4075: 
1.131     bowersj2 4076: page_format_state is always directly invoked in lonprintout.pm, so there
                   4077: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4078: 
                   4079: =over 4
                   4080: 
1.131     bowersj2 4081: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4082: 
                   4083: =back
                   4084: 
                   4085: =cut
                   4086: 
1.131     bowersj2 4087: use Apache::lonhelper;
1.119     bowersj2 4088: 
                   4089: no strict;
1.131     bowersj2 4090: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4091: use strict;
1.266     sakharuk 4092: use Apache::lonlocal;
1.373     albertel 4093: use Apache::lonnet;
1.119     bowersj2 4094: 
                   4095: my $maxColumns = 2;
1.376     albertel 4096: # it'd be nice if these all worked
                   4097: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4098: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4099: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4100: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4101: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4102: 		 "a4 [210x297 mm]");
1.119     bowersj2 4103: 
                   4104: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4105: #                   Paper type
                   4106: 
                   4107: sub new { 
1.131     bowersj2 4108:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4109: 
1.135     bowersj2 4110:     shift;
                   4111: 
1.131     bowersj2 4112:     $self->{'variable'} = shift;
1.134     bowersj2 4113:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4114:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4115:     bless($self);
1.119     bowersj2 4116:     return $self;
                   4117: }
                   4118: 
                   4119: sub render {
                   4120:     my $self = shift;
1.131     bowersj2 4121:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4122:     my $result = '';
1.131     bowersj2 4123:     my $var = $self->{'variable'};
1.266     sakharuk 4124:     my $PageLayout=&mt('Page layout');
                   4125:     my $NumberOfColumns=&mt('Number of columns');
                   4126:     my $PaperType=&mt('Paper type');
1.506     albertel 4127:     my $landscape=&mt('Landscape');
                   4128:     my $portrait=&mt('Portrait');
1.539     onken    4129:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4130:     my $with=&mt('with Formfields');
                   4131:     my $without=&mt('without Formfields');
1.556     foxr     4132:     
                   4133: 
1.544     bisitz   4134:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4135:             .&Apache::loncommon::start_data_table()
                   4136:             .&Apache::loncommon::start_data_table_header_row()
                   4137:             .'<th>'.$PageLayout.'</th>'
                   4138:             .'<th>'.$NumberOfColumns.'</th>'
                   4139:             .'<th>'.$PaperType.'</th>'
                   4140:             .'<th>'.$pdfFormLabel.'</th>'
                   4141:             .&Apache::loncommon::end_data_table_header_row()
                   4142:             .&Apache::loncommon::start_data_table_row()
                   4143:     .'<td>'
                   4144:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4145:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4146:     .'</td>';
1.119     bowersj2 4147: 
1.544     bisitz   4148:     $result.='<td align="center">'
                   4149:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4150: 
                   4151:     my $i;
                   4152:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4153:         if ($i == 2) {
1.553     bisitz   4154:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4155:         } else {
1.553     bisitz   4156:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4157:         }
                   4158:     }
                   4159: 
                   4160:     $result .= "</select></td><td>\n";
                   4161:     $result .= "<select name='${var}.paper'>\n";
                   4162: 
1.373     albertel 4163:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4164:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4165:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4166:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4167:     $i = 0;
                   4168:     foreach (@paperSize) {
1.326     sakharuk 4169: 	$_=~/(\w+)/;
                   4170: 	my $papersize=$1;
1.304     sakharuk 4171:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4172:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4173:         } else {
1.553     bisitz   4174:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4175:         }
                   4176:         $i++;
                   4177:     }
1.539     onken    4178:     $result .= <<HTML;
                   4179:         </select>
                   4180:     </td>
                   4181:     <td align='center'>
                   4182:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4183:             <option selected="selected" value="no">$without</option>
                   4184:             <option value="yes">$with</option>
1.539     onken    4185:         </select>
                   4186:     </td>
                   4187: HTML
1.544     bisitz   4188:     $result.=&Apache::loncommon::end_data_table_row()
                   4189:             .&Apache::loncommon::end_data_table();
1.539     onken    4190: 
1.119     bowersj2 4191:     return $result;
1.135     bowersj2 4192: }
                   4193: 
                   4194: sub postprocess {
                   4195:     my $self = shift;
                   4196: 
                   4197:     my $var = $self->{'variable'};
1.136     bowersj2 4198:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4199:     $helper->{VARS}->{$var} = 
1.373     albertel 4200:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4201:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4202:     return 1;
1.119     bowersj2 4203: }
                   4204: 
                   4205: 1;
1.144     bowersj2 4206: 
                   4207: package Apache::lonprintout::page_size_state;
                   4208: 
                   4209: =pod
                   4210: 
                   4211: =head1 Helper element: page_size_state
                   4212: 
                   4213: See lonhelper.pm documentation for discussion of the helper framework.
                   4214: 
                   4215: Apache::lonprintout::page_size_state is an element that gives the 
                   4216: user the opportunity to further refine the page settings if they
                   4217: select a single-column page.
                   4218: 
                   4219: page_size_state is always directly invoked in lonprintout.pm, so there
                   4220: is no tag interface. You actually pass parameters to the constructor.
                   4221: 
                   4222: =over 4
                   4223: 
                   4224: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4225: 
                   4226: =back
                   4227: 
                   4228: =cut
                   4229: 
                   4230: use Apache::lonhelper;
1.373     albertel 4231: use Apache::lonnet;
1.144     bowersj2 4232: no strict;
                   4233: @ISA = ("Apache::lonhelper::element");
                   4234: use strict;
                   4235: 
                   4236: 
                   4237: 
                   4238: sub new { 
                   4239:     my $self = Apache::lonhelper::element->new();
                   4240: 
                   4241:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4242:            # package descriptor)... - Jeremy
                   4243: 
                   4244:     $self->{'variable'} = shift;
                   4245:     my $helper = Apache::lonhelper::getHelper();
                   4246:     $helper->declareVar($self->{'variable'});
                   4247: 
                   4248:     # The variable name of the format element, so we can look into 
                   4249:     # $helper->{VARS} to figure out whether the columns are one or two
                   4250:     $self->{'formatvar'} = shift;
                   4251: 
1.463     foxr     4252: 
1.144     bowersj2 4253:     $self->{NEXTSTATE} = shift;
                   4254:     bless($self);
1.467     foxr     4255: 
1.144     bowersj2 4256:     return $self;
                   4257: }
                   4258: 
                   4259: sub render {
                   4260:     my $self = shift;
                   4261:     my $helper = Apache::lonhelper::getHelper();
                   4262:     my $result = '';
                   4263:     my $var = $self->{'variable'};
                   4264: 
1.467     foxr     4265: 
                   4266: 
1.144     bowersj2 4267:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4268:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4269:     }
                   4270: 
1.438     foxr     4271:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4272: 
                   4273:     # Use format to get sensible defaults for the margins:
                   4274: 
                   4275: 
                   4276:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4277:     ($papersize)                      = split(/ /, $papersize);
                   4278: 
1.559     foxr     4279:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4280: 
                   4281: 
                   4282: 
1.464     albertel 4283:     my %size;
                   4284:     ($size{'width_and_units'},
                   4285:      $size{'height_and_units'},
                   4286:      $size{'margin_and_units'})=
                   4287: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4288:     
1.464     albertel 4289:     foreach my $dimension ('width','height','margin') {
                   4290: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4291: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4292:        	
                   4293: 	foreach my $unit ('cm','in') {
                   4294: 	    $size{$dimension.'_options'} .= '<option ';
                   4295: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4296: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4297: 	    }
                   4298: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4299: 	}
1.438     foxr     4300:     }
                   4301: 
1.470     foxr     4302:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4303: 
                   4304:     if ($size{'margin_unit'} eq 'in') {
                   4305: 	$size{'margin'} += 1;
                   4306:     }  else {
                   4307: 	$size{'margin'} += 2.54;
                   4308:     }
1.548     bisitz   4309:     my %lt = &Apache::lonlocal::texthash(
                   4310:         'format' => 'How should each column be formatted?',
                   4311:         'width'  => 'Width',
                   4312:         'height' => 'Height',
                   4313:         'margin' => 'Left Margin'
                   4314:     );
                   4315: 
                   4316:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4317:               .&Apache::lonhtmlcommon::start_pick_box()
                   4318:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4319:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4320:               .'<select name="'.$var.'.widthunit">'
                   4321:               .$size{'width_options'}
                   4322:               .'</select>'
                   4323:               .&Apache::lonhtmlcommon::row_closure()
                   4324:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4325:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4326:               .'<select name="'.$var.'.heightunit">'
                   4327:               .$size{'height_options'}
                   4328:               .'</select>'
                   4329:               .&Apache::lonhtmlcommon::row_closure()
                   4330:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4331:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4332:               .'<select name="'.$var.'.lmarginunit">'
                   4333:               .$size{'margin_options'}
                   4334:               .'</select>'
                   4335:               .&Apache::lonhtmlcommon::row_closure(1)
                   4336:               .&Apache::lonhtmlcommon::end_pick_box();
                   4337:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4338:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4339: 
                   4340:     return $result;
                   4341: }
                   4342: 
1.470     foxr     4343: 
1.144     bowersj2 4344: sub preprocess {
                   4345:     my $self = shift;
                   4346:     my $helper = Apache::lonhelper::getHelper();
                   4347: 
                   4348:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4349: 
                   4350:     #  If the user does not have 'pav' privilege, set default widths and
                   4351:     #  on to the next state right away.
                   4352:     #
                   4353:     if (!$perm{'pav'}) {
                   4354: 	my $var = $self->{'variable'};
                   4355: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4356: 	
                   4357: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4358: 	($papersize)                      = split(/ /, $papersize);
                   4359: 	
                   4360: 	
1.560     foxr     4361: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4362: 
1.467     foxr     4363: 	#  Figure out some good defaults for the print out and set them:
                   4364: 	
                   4365: 	my %size;
                   4366: 	($size{'width'},
                   4367: 	 $size{'height'},
                   4368: 	 $size{'lmargin'})=
                   4369: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4370: 	
                   4371: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4372: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4373: 	    	    
1.467     foxr     4374: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4375: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4376: 	    
                   4377: 	}
                   4378: 	
                   4379: 
                   4380: 	# Transition to the next state
                   4381: 
                   4382: 	$helper->changeState($self->{NEXTSTATE});
                   4383:     }
1.144     bowersj2 4384:    
                   4385:     return 1;
                   4386: }
                   4387: 
                   4388: sub postprocess {
                   4389:     my $self = shift;
                   4390: 
                   4391:     my $var = $self->{'variable'};
                   4392:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4393:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4394:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4395:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4396:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4397:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4398:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4399: 
                   4400:     my $error = '';
                   4401: 
                   4402:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4403:     # by an optional period, followed by digits, ending the string
                   4404: 
1.464     albertel 4405:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4406:         $error .= "Invalid width; please type only a number.<br />\n";
                   4407:     }
1.464     albertel 4408:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4409:         $error .= "Invalid height; please type only a number.<br />\n";
                   4410:     }
1.464     albertel 4411:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4412:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4413:     } else {
                   4414: 	# Adjust for LaTeX 1.0 inch margin:
                   4415: 
                   4416: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4417: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4418: 	} else {
                   4419: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4420: 	}
1.144     bowersj2 4421:     }
                   4422: 
                   4423:     if (!$error) {
                   4424:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4425:         return 1;
                   4426:     } else {
                   4427:         $self->{ERROR_MSG} = $error;
                   4428:         return 0;
                   4429:     }
                   4430: }
                   4431: 
                   4432: 
1.119     bowersj2 4433: 
1.1       www      4434: __END__
1.6       sakharuk 4435: 

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