Annotation of loncom/interface/lonprintout.pm, revision 1.568.2.4

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.568.2.4! raeburn     5: # $Id: lonprintout.pm,v 1.568.2.3 2010/03/30 10:40:35 foxr 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 $result;
1.486     foxr      487: }
                    488: 
1.454     foxr      489: 
                    490: # Format a header according to a format.  
                    491: # 
                    492: 
                    493: # Substitutions:
                    494: #     %a    - Assignment name.
                    495: #     %c    - Course name.
                    496: #     %n    - Student name.
                    497: #
                    498: sub format_page_header {
1.568.2.4! raeburn   499:     my ($width, $format, $assignment, $course, $student) = @_;
1.565     foxr      500: 
1.486     foxr      501:     $width = &recalcto_mm($width); # Get width in mm.
1.568.2.4! raeburn   502:     my $chars_per_line = int($width/2);   # Character/textline.
1.565     foxr      503: 
1.454     foxr      504:     #  Default format?
                    505: 
                    506:     if ($format eq '') {
1.486     foxr      507: 	# For the default format, we may need to truncate
                    508: 	# elements..  To do this we need to get the page width.
                    509: 	# we assume that each character is about 2mm in width.
                    510: 	# (correct for the header text size??).  We ignore
                    511: 	# any formatting (e.g. boldfacing in this).
                    512: 	# 
                    513: 	# - Allow the student/course to be one line.
                    514: 	#   but only truncate the course.
                    515: 	# - Allow the assignment to be 2 lines (wrapped).
                    516: 	#
1.565     foxr      517: 
1.568.2.4! raeburn   518:         my $firstline = "$student $course";
        !           519:         if (length($firstline) > $chars_per_line) {
        !           520:             my $lastchar = $chars_per_line - length($student) - 1;
        !           521:             if ($lastchar > 0) {
        !           522:                 $course = substr($course, 0, $lastchar);
        !           523:             } else {            # Nothing left of course:
        !           524:                 $course = '';
        !           525:             }
        !           526:         }
        !           527:         if (length($assignment) > $chars_per_line) {
        !           528:             $assignment = substr($assignment, 0, $chars_per_line);
        !           529:         }
1.489     foxr      530: 
1.568.2.4! raeburn   531:         $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1.490     foxr      532: 
1.568.2.4! raeburn   533:     } else {
        !           534:         # An open question is how to handle long user formatted page headers...
        !           535:         # A possible future is to support e.g. %na so that the user can control
        !           536:         # the truncation of the elements that can appear in the header.
        !           537:         #
        !           538:         $format =  &printf_style_subst("a", $format, $assignment);
        !           539:         $format =  &printf_style_subst("c", $format, $course);
        !           540:         $format =  &printf_style_subst("n", $format, $student);
        !           541: 
        !           542:         # If the user put %'s in the format string, they  must be escaped
        !           543:         # to \% else LaTeX will think they are comments and terminate
        !           544:         # the line.. which is bad!!!
1.454     foxr      545:     }
1.537     foxr      546:     
1.454     foxr      547:     return $format;
                    548: }
1.397     albertel  549: 
1.385     foxr      550: #
                    551: #   Convert a numeric code to letters
                    552: #
                    553: sub num_to_letters {
                    554:     my ($num) = @_;
                    555:     my @nums= split('',$num);
                    556:     my @num_to_let=('A'..'Z');
                    557:     my $word;
                    558:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    559:     return $word;
                    560: }
                    561: #   Convert a letter code to numeric.
                    562: #
                    563: sub letters_to_num {
                    564:     my ($letters) = @_;
                    565:     my @letters = split('', uc($letters));
1.490     foxr      566:    my %substitution;
1.385     foxr      567:     my $digit = 0;
                    568:     foreach my $letter ('A'..'J') {
                    569: 	$substitution{$letter} = $digit;
                    570: 	$digit++;
                    571:     }
                    572:     #  The substitution is done as below to preserve leading
                    573:     #  zeroes which are needed to keep the code size exact
                    574:     #
                    575:     my $result ="";
                    576:     foreach my $letter (@letters) {
                    577: 	$result.=$substitution{$letter};
                    578:     }
                    579:     return $result;
                    580: }
                    581: 
1.383     foxr      582: #  Determine if a code is a valid numeric code.  Valid
                    583: #  numeric codes must be comprised entirely of digits and
1.384     albertel  584: #  have a correct number of digits.
1.383     foxr      585: #
                    586: #  Parameters:
                    587: #     value      - proposed code value.
1.384     albertel  588: #     num_digits - Number of digits required.
1.383     foxr      589: #
                    590: sub is_valid_numeric_code {
1.384     albertel  591:     my ($value, $num_digits) = @_;
1.383     foxr      592:     #   Remove leading/trailing whitespace;
1.387     foxr      593:     $value =~ s/^\s*//g;
                    594:     $value =~ s/\s*$//g;
1.383     foxr      595:     
                    596:     #  All digits?
1.387     foxr      597:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      598: 	return "Numeric code $value has invalid characters - must only be digits";
                    599:     }
1.384     albertel  600:     if (length($value) != $num_digits) {
                    601: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    602:     }
1.385     foxr      603:     return undef;
1.383     foxr      604: }
                    605: #   Determines if a code is a valid alhpa code.  Alpha codes
                    606: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  607: #   They also have a correct digit count.
1.383     foxr      608: # Parameters:
                    609: #     value          - Proposed code value.
1.384     albertel  610: #     num_letters    - correct number of letters.
1.383     foxr      611: # Note:
                    612: #    leading and trailing whitespace are ignored.
                    613: #
                    614: sub is_valid_alpha_code {
1.384     albertel  615:     my ($value, $num_letters) = @_;
1.383     foxr      616:     
                    617:      # strip leading and trailing spaces.
                    618: 
                    619:     $value =~ s/^\s*//g;
                    620:     $value =~ s/\s*$//g;
                    621: 
                    622:     #  All alphas in the right range?
1.384     albertel  623:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      624: 	return "Invalid letter code $value must only contain A-J";
                    625:     }
1.384     albertel  626:     if (length($value) != $num_letters) {
                    627: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    628:     }
1.385     foxr      629:     return undef;
1.383     foxr      630: }
                    631: 
1.382     foxr      632: #   Determine if a code entered by the user in a helper is valid.
                    633: #   valid depends on the code type and the type of code selected.
                    634: #   The type of code selected can either be numeric or 
                    635: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    636: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    637: #   We'll be nice and be case insensitive for alpha codes.
                    638: # Parameters:
                    639: #    code_value    - the value of the code the user typed in.
                    640: #    code_option   - The code type selected from the set in the scantron format
                    641: #                    table.
                    642: # Returns:
                    643: #    undef         - The code is valid.
                    644: #    other         - An error message indicating what's wrong.
                    645: #
                    646: sub is_code_valid {
                    647:     my ($code_value, $code_option) = @_;
1.383     foxr      648:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   649:     my @lines = &Apache::grades::get_scantronformat_file();
                    650:     foreach my $line (@lines) {
1.383     foxr      651: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    652: 	if($name eq $code_option) {
                    653: 	    $code_length = $length;
                    654: 	    if($type eq 'number') {
                    655: 		$code_type = 'number';
                    656: 	    }
                    657: 	}
                    658:     }
                    659:     my $valid;
                    660:     if ($code_type eq 'number') {
1.385     foxr      661: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      662:     } else {
1.385     foxr      663: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      664:     }
1.382     foxr      665: 
                    666: }
                    667: 
1.341     foxr      668: #   Compare two students by name.  The students are in the form
                    669: #   returned by the helper:
                    670: #      user:domain:section:last,   first:status
                    671: #   This is a helper function for the perl sort built-in  therefore:
                    672: # Implicit Inputs:
                    673: #    $a     - The first element to compare (global)
                    674: #    $b     - The second element to compare (global)
                    675: # Returns:
                    676: #   -1   - $a < $b
                    677: #    0   - $a == $b
                    678: #   +1   - $a > $b
                    679: #   Note that the initial comparison is done on the last names with the
                    680: #   first names only used to break the tie.
                    681: #
                    682: #
                    683: sub compare_names {
                    684:     #  First split the names up into the primary fields.
                    685: 
                    686:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    687:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    688: 
                    689:     # Now split the last name and first name of each n:
                    690:     #
                    691: 
                    692:     my ($l1,$f1) = split(/,/, $n1);
                    693:     my ($l2,$f2) = split(/,/, $n2);
                    694: 
                    695:     # We don't bother to remove the leading/trailing whitespace from the
                    696:     # firstname, unless the last names compare identical.
                    697: 
                    698:     if($l1 lt $l2) {
                    699: 	return -1;
                    700:     }
                    701:     if($l1 gt $l2) {
                    702: 	return  1;
                    703:     }
                    704: 
                    705:     # Break the tie on the first name, but there are leading (possibly trailing
                    706:     # whitespaces to get rid of first 
                    707:     #
                    708:     $f1 =~ s/^\s+//;		# Remove leading...
                    709:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    710:     
                    711:     $f2 =~ s/^\s+//;
                    712:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    713: 
                    714:     if($f1 lt $f2) {
                    715: 	return -1;
                    716:     }
                    717:     if($f1 gt $f2) {
                    718: 	return 1;
                    719:     }
                    720:     
                    721:     #  Must be the same name.
                    722: 
                    723:     return 0;
                    724: }
                    725: 
1.71      sakharuk  726: sub latex_header_footer_remove {
                    727:     my $text = shift;
                    728:     $text =~ s/\\end{document}//;
                    729:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    730:     return $text;
                    731: }
1.423     foxr      732: #
                    733: #  If necessary, encapsulate text inside 
                    734: #  a minipage env.
                    735: #  necessity is determined by the problem_split param.
                    736: #
                    737: sub encapsulate_minipage {
                    738:     my ($text) = @_;
1.427     albertel  739:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      740: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    741:     }
                    742:     return $text;
                    743: }
1.429     foxr      744: #
                    745: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    746: #  variables interact, this sub looks at these two parameters
                    747: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    748: #     all     - if SPLIT_PDFS eq 'all'.
                    749: #     1       - if SPLIT_PDFS eq 'oneper'
                    750: #     section - if SPLIT_PDFS eq 'sections'
                    751: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    752: #
                    753: sub adjust_number_to_print {
                    754:     my $helper = shift;
1.71      sakharuk  755: 
1.429     foxr      756:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    757:     
                    758:     if ($split_pdf eq 'all') {
                    759: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    760:     } elsif ($split_pdf eq 'oneper') {
                    761: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    762:     } elsif ($split_pdf eq 'sections') {
                    763: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    764:     } elsif ($split_pdf eq 'usenumber') {
                    765: 	#  Unmodified.
                    766:     } else {
                    767: 	# Error!!!!
1.536     foxr      768: 	
                    769: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      770: 
                    771:     }
                    772: }
1.71      sakharuk  773: 
1.531     foxr      774: 
1.37      sakharuk  775: sub character_chart {
1.531     foxr      776:     my $result = shift;
                    777:     return  &Apache::entities::replace_entities($result);
                    778: }
                    779: 
                    780: sub old_character_chart {
1.37      sakharuk  781:     my $result = shift;	
1.116     sakharuk  782:     $result =~ s/&\#0?0?(7|9);//g;
                    783:     $result =~ s/&\#0?(10|13);//g;
                    784:     $result =~ s/&\#0?32;/ /g;
                    785:     $result =~ s/&\#0?33;/!/g;
                    786:     $result =~ s/&(\#0?34|quot);/\"/g;
                    787:     $result =~ s/&\#0?35;/\\\#/g;
                    788:     $result =~ s/&\#0?36;/\\\$/g;
                    789:     $result =~ s/&\#0?37;/\\%/g; 
                    790:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    791:     $result =~ s/&\#(0?39|146);/\'/g;
                    792:     $result =~ s/&\#0?40;/(/g;
                    793:     $result =~ s/&\#0?41;/)/g;
                    794:     $result =~ s/&\#0?42;/\*/g;
                    795:     $result =~ s/&\#0?43;/\+/g;
                    796:     $result =~ s/&\#(0?44|130);/,/g;
                    797:     $result =~ s/&\#0?45;/-/g;
                    798:     $result =~ s/&\#0?46;/\./g;
                    799:     $result =~ s/&\#0?47;/\//g;
                    800:     $result =~ s/&\#0?48;/0/g;
                    801:     $result =~ s/&\#0?49;/1/g;
                    802:     $result =~ s/&\#0?50;/2/g;
                    803:     $result =~ s/&\#0?51;/3/g;
                    804:     $result =~ s/&\#0?52;/4/g;
                    805:     $result =~ s/&\#0?53;/5/g;
                    806:     $result =~ s/&\#0?54;/6/g;
                    807:     $result =~ s/&\#0?55;/7/g;
                    808:     $result =~ s/&\#0?56;/8/g;
                    809:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  810:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  811:     $result =~ s/&\#0?59;/;/g;
                    812:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  813:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    814:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  815:     $result =~ s/&\#0?63;/\?/g;
                    816:     $result =~ s/&\#0?65;/A/g;
                    817:     $result =~ s/&\#0?66;/B/g;
                    818:     $result =~ s/&\#0?67;/C/g;
                    819:     $result =~ s/&\#0?68;/D/g;
                    820:     $result =~ s/&\#0?69;/E/g;
                    821:     $result =~ s/&\#0?70;/F/g;
                    822:     $result =~ s/&\#0?71;/G/g;
                    823:     $result =~ s/&\#0?72;/H/g;
                    824:     $result =~ s/&\#0?73;/I/g;
                    825:     $result =~ s/&\#0?74;/J/g;
                    826:     $result =~ s/&\#0?75;/K/g;
                    827:     $result =~ s/&\#0?76;/L/g;
                    828:     $result =~ s/&\#0?77;/M/g;
                    829:     $result =~ s/&\#0?78;/N/g;
                    830:     $result =~ s/&\#0?79;/O/g;
                    831:     $result =~ s/&\#0?80;/P/g;
                    832:     $result =~ s/&\#0?81;/Q/g;
                    833:     $result =~ s/&\#0?82;/R/g;
                    834:     $result =~ s/&\#0?83;/S/g;
                    835:     $result =~ s/&\#0?84;/T/g;
                    836:     $result =~ s/&\#0?85;/U/g;
                    837:     $result =~ s/&\#0?86;/V/g;
                    838:     $result =~ s/&\#0?87;/W/g;
                    839:     $result =~ s/&\#0?88;/X/g;
                    840:     $result =~ s/&\#0?89;/Y/g;
                    841:     $result =~ s/&\#0?90;/Z/g;
                    842:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  843:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  844:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  845:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  846:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    847:     $result =~ s/&\#(0?96|145);/\`/g;
                    848:     $result =~ s/&\#0?97;/a/g;
                    849:     $result =~ s/&\#0?98;/b/g;
                    850:     $result =~ s/&\#0?99;/c/g;
                    851:     $result =~ s/&\#100;/d/g;
                    852:     $result =~ s/&\#101;/e/g;
                    853:     $result =~ s/&\#102;/f/g;
                    854:     $result =~ s/&\#103;/g/g;
                    855:     $result =~ s/&\#104;/h/g;
                    856:     $result =~ s/&\#105;/i/g;
                    857:     $result =~ s/&\#106;/j/g;
                    858:     $result =~ s/&\#107;/k/g;
                    859:     $result =~ s/&\#108;/l/g;
                    860:     $result =~ s/&\#109;/m/g;
                    861:     $result =~ s/&\#110;/n/g;
                    862:     $result =~ s/&\#111;/o/g;
                    863:     $result =~ s/&\#112;/p/g;
                    864:     $result =~ s/&\#113;/q/g;
                    865:     $result =~ s/&\#114;/r/g;
                    866:     $result =~ s/&\#115;/s/g;
                    867:     $result =~ s/&\#116;/t/g;
                    868:     $result =~ s/&\#117;/u/g;
                    869:     $result =~ s/&\#118;/v/g;
                    870:     $result =~ s/&\#119;/w/g;
                    871:     $result =~ s/&\#120;/x/g;
                    872:     $result =~ s/&\#121;/y/g;
                    873:     $result =~ s/&\#122;/z/g;
                    874:     $result =~ s/&\#123;/\\{/g;
                    875:     $result =~ s/&\#124;/\|/g;
                    876:     $result =~ s/&\#125;/\\}/g;
                    877:     $result =~ s/&\#126;/\~/g;
                    878:     $result =~ s/&\#131;/\\textflorin /g;
                    879:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  880:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    881:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    882:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  883:     $result =~ s/&\#137;/\\textperthousand /g;
                    884:     $result =~ s/&\#140;/{\\OE}/g;
                    885:     $result =~ s/&\#147;/\`\`/g;
                    886:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  887:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  888:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  889:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  890:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  891:     $result =~ s/&\#153;/\\texttrademark /g;
                    892:     $result =~ s/&\#156;/\\oe/g;
                    893:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  894:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  895:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    896:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    897:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    898:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    899:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    900:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    901:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      902:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  903:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    904:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  905:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  906:     $result =~ s/&(\#173|shy);/ - /g;
                    907:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  908:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    909:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    910:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    911:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    912:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      913:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  914:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  915:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  916:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  917:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  918:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  919:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    920:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    921:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    922:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    923:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    924:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    925:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    926:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    927:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    928:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    929:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    930:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    931:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    932:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    933:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    934:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    935:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    936:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    937:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    938:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    939:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    940:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    941:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    942:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    943:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    944:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    945:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  946:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  947:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    948:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    949:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    950:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    951:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    952:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  953:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  954:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    955:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    956:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    957:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    958:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    959:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    960:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    961:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    962:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    963:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    964:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    965:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    966:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    967:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    968:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    969:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  970:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  971:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    972:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    973:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    974:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    975:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    976:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  977:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  978:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    979:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    980:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    981:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    982:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    983:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    984:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  985:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  986:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  987: #Greek Alphabet
1.281     sakharuk  988:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    989:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    990:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    991:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    992:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    993:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    994:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                    995:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                    996:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                    997:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                    998:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                    999:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1000:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1001:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1002:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1003:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1004:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1005:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1006:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1007:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1008:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1009:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1010:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1011:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1012:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1013:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1014:     $result =~ s/&(Alpha|\#913);/A/g;
                   1015:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1016:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1017:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1018:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1019:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1020:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1021:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1022:     $result =~ s/&(Iota|\#921);/I/g;
                   1023:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1024:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1025:     $result =~ s/&(Mu|\#924);/M/g;
                   1026:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1027:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1028:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1029:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1030:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1031:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1032:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1033:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1034:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1035:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1036:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1037:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1038: #Arrows (extended HTML 4.01)
1.281     sakharuk 1039:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1040:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1041:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1042:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1043:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1044:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1045:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1046:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1047:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1048:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1049: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1050:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1051:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1052:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1053:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1054:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1055:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1056:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1057:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1058:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1059:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1060:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1061:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1062:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1063:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1064:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1065:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1066:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1067:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1068:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1069:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1070:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1071:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1072:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1073:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1074:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1075:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1076:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1077:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1078:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1079:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1080:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1081:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1082:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1083:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1084:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1085:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1086:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1087:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1088: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1089:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1090: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1091:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1092:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1093:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1094:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1095: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1096: 
1.495     foxr     1097:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1098:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1099:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1100:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1101:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1102:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1103:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1104:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1105:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1106:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1107:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1108:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1109:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1110: 
                   1111:     # Left/right quotations:
                   1112: 
                   1113:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1114:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1115: 
                   1116: 
1.559     foxr     1117: 
1.37      sakharuk 1118:     return $result;
                   1119: }
1.41      sakharuk 1120: 
                   1121: 
1.327     albertel 1122:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1123: my %page_formats=
                   1124:     ('letter' => {
                   1125: 	 'book' => {
1.493     foxr     1126: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1127: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1128: 	 },
                   1129: 	 'album' => {
1.496     foxr     1130: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1131: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1132: 	 },
                   1133:      },
                   1134:      'legal' => {
                   1135: 	 'book' => {
                   1136: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1137: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1138: 	 },
                   1139: 	 'album' => {
1.376     albertel 1140: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1141:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1142:           },
                   1143:      },
                   1144:      'tabloid' => {
                   1145: 	 'book' => {
                   1146: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1147: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1148: 	 },
                   1149: 	 'album' => {
1.376     albertel 1150: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1151: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1152:           },
                   1153:      },
                   1154:      'executive' => {
                   1155: 	 'book' => {
                   1156: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1157: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1158: 	 },
                   1159: 	 'album' => {
                   1160: 	     '1' => [],
                   1161: 	     '2' => []
                   1162:           },
                   1163:      },
                   1164:      'a2' => {
                   1165: 	 'book' => {
                   1166: 	     '1' => [],
                   1167: 	     '2' => []
                   1168: 	 },
                   1169: 	 'album' => {
                   1170: 	     '1' => [],
                   1171: 	     '2' => []
                   1172:           },
                   1173:      },
                   1174:      'a3' => {
                   1175: 	 'book' => {
                   1176: 	     '1' => [],
                   1177: 	     '2' => []
                   1178: 	 },
                   1179: 	 'album' => {
                   1180: 	     '1' => [],
                   1181: 	     '2' => []
                   1182:           },
                   1183:      },
                   1184:      'a4' => {
                   1185: 	 'book' => {
1.493     foxr     1186: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1187: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1188: 	 },
                   1189: 	 'album' => {
1.496     foxr     1190: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1191: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1192: 	 },
                   1193:      },
                   1194:      'a5' => {
                   1195: 	 'book' => {
                   1196: 	     '1' => [],
                   1197: 	     '2' => []
                   1198: 	 },
                   1199: 	 'album' => {
                   1200: 	     '1' => [],
                   1201: 	     '2' => []
                   1202:           },
                   1203:      },
                   1204:      'a6' => {
                   1205: 	 'book' => {
                   1206: 	     '1' => [],
                   1207: 	     '2' => []
                   1208: 	 },
                   1209: 	 'album' => {
                   1210: 	     '1' => [],
                   1211: 	     '2' => []
                   1212:           },
                   1213:      },
                   1214:      );
                   1215: 
1.177     sakharuk 1216: sub page_format {
1.140     sakharuk 1217: #
1.326     sakharuk 1218: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1219: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1220: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1221: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1222: #                        "A6 [105x148 mm]"
1.140     sakharuk 1223: # 
                   1224:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1225:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1226: }
1.76      sakharuk 1227: 
                   1228: 
1.126     albertel 1229: sub get_name {
                   1230:     my ($uname,$udom)=@_;
1.373     albertel 1231:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1232:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1233:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1234:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1235:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1236:     return $plainname;
1.126     albertel 1237: }
                   1238: 
1.213     albertel 1239: sub get_course {
                   1240:     my $courseidinfo;
1.373     albertel 1241:     if (defined($env{'request.course.id'})) {
1.439     www      1242: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel 1243:     }
                   1244:     return $courseidinfo;
                   1245: }
1.177     sakharuk 1246: 
1.76      sakharuk 1247: sub page_format_transformation {
1.312     sakharuk 1248:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1249:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1250: 
1.312     sakharuk 1251:     if ($selectionmade eq '4') {
1.502     foxr     1252: 	if ($choice eq 'all_problems') {
1.561     bisitz   1253:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1254: 	} else {
1.561     bisitz   1255:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1256: 	}
1.312     sakharuk 1257:     } else {
                   1258: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1259:     }
1.261     sakharuk 1260:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1261: 
                   1262: 
1.126     albertel 1263:     my $name = &get_name();
1.213     albertel 1264:     my $courseidinfo = &get_course();
1.568.2.4! raeburn  1265:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel 1266:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1267:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1268: 					   $courseidinfo, $name);
1.319     sakharuk 1269:     my $topmargintoinsert = '';
                   1270:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1271:     my $fancypagestatement='';
                   1272:     if ($numberofcolumns eq '2') {
1.455     albertel 1273: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1274:     } else {
1.455     albertel 1275: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1276:     }
1.140     sakharuk 1277:     if ($layout eq 'album') {
1.550     foxr     1278: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1279:     } elsif ($layout eq 'book') {
                   1280: 	if ($choice ne 'All class print') { 
1.550     foxr     1281: 	    $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 1282: 	} else {
1.550     foxr     1283: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1284: 	}
1.326     sakharuk 1285: 	if ($papersize eq 'a4') {
1.568.2.3  foxr     1286: 	    $text =~ s/(\\begin{document})/$1\\\\special\{papersize=210mm,297mm\}/;
1.140     sakharuk 1287: 	}
                   1288:     }
1.214     sakharuk 1289:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1290:     if ($indexlist eq 'yes') {
                   1291: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1292: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1293:     }
1.140     sakharuk 1294:     return $text;
                   1295: }
                   1296: 
                   1297: 
1.33      sakharuk 1298: sub page_cleanup {
                   1299:     my $result = shift;	
1.65      sakharuk 1300:  
                   1301:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1302:     my $number_of_columns = $1;
1.33      sakharuk 1303:     my $insert = '{';
1.34      sakharuk 1304:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1305:     $insert .= '}';
1.65      sakharuk 1306:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1307:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1308:     return $result,$number_of_columns;
1.7       sakharuk 1309: }
1.5       sakharuk 1310: 
1.3       sakharuk 1311: 
1.60      sakharuk 1312: sub details_for_menu {
1.335     albertel 1313:     my ($helper)=@_;
1.373     albertel 1314:     my $postdata=$env{'form.postdata'};
1.335     albertel 1315:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1316:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1317:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1318:     return if ( $symbolic eq '');
                   1319: 
1.233     www      1320:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1321:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1322:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1323:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1324: 	$map =~ m|([^/]+)$|;
                   1325: 	$name_of_sequence = $1;
1.63      albertel 1326:     }
1.373     albertel 1327:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1328:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1329: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1330: 	$name_of_map = $1;
                   1331:     }
1.335     albertel 1332:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1333: }
                   1334: 
1.476     albertel 1335: sub copyright_line {
                   1336:     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 } ';
                   1337: }
                   1338: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1339: 
                   1340: sub latex_corrections {
1.408     albertel 1341:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1342: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1343:     my $copyright = &copyright_line();
1.408     albertel 1344:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1345: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1346:     } else {
1.476     albertel 1347: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1348:     }
1.476     albertel 1349:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1350:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1351:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1352: #-- LaTeX corrections     
                   1353:     my $first_comment = index($result,'<!--',0);
                   1354:     while ($first_comment != -1) {
                   1355: 	my $end_comment = index($result,'-->',$first_comment);
                   1356: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1357: 	$first_comment = index($result,'<!--',$first_comment);
                   1358:     }
                   1359:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1360:     #removes more than one empty space
                   1361:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1362:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1363:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1364:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1365:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1366:     #conversion of html characters to LaTeX equivalents
                   1367:     if ($result =~ m/&(\w+|#\d+);/) {
                   1368: 	$result = &character_chart($result);
                   1369:     }
                   1370:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1371:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1372:     return $result;
1.60      sakharuk 1373: }
                   1374: 
1.3       sakharuk 1375: 
1.214     sakharuk 1376: sub index_table {
                   1377:     my $currentURL = shift;
                   1378:     my $insex_string='';
                   1379:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1380:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1381:     return $insex_string;
                   1382: }
                   1383: 
                   1384: 
1.215     sakharuk 1385: sub IndexCreation {
                   1386:     my ($texversion,$currentURL)=@_;
                   1387:     my @key_words=split(/,/,&index_table($currentURL));
                   1388:     my $chunk='';
                   1389:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1390:     if ($st>0) {
                   1391: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1392: 	$chunk=substr($texversion,0,$st+1);
                   1393: 	substr($texversion,0,$st+1)=' ';
                   1394:     }
                   1395:     foreach my $key_word (@key_words) {
                   1396: 	if ($key_word=~/\S+/) {
                   1397: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1398: 	}
                   1399:     }			
                   1400:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1401:     return $texversion;
                   1402: }
                   1403: 
1.242     sakharuk 1404: sub print_latex_header {
                   1405:     my $mode=shift;
1.550     foxr     1406: 
                   1407:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1408: }
                   1409: 
                   1410: sub path_to_problem {
1.328     albertel 1411:     my ($urlp,$colwidth)=@_;
1.404     albertel 1412:     $urlp=&Apache::lonnet::clutter($urlp);
                   1413: 
1.242     sakharuk 1414:     my $newurlp = '';
1.328     albertel 1415:     $colwidth=~s/\s*mm\s*$//;
                   1416: #characters average about 2 mm in width
1.360     albertel 1417:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1418: 	my @elements = split('/',$urlp);
1.328     albertel 1419: 	my $curlength=0;
                   1420: 	foreach my $element (@elements) {
1.404     albertel 1421: 	    if ($element eq '') { next; }
1.328     albertel 1422: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1423: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1424: 		$curlength=length($element)*2;
1.328     albertel 1425: 	    } else {
                   1426: 		$curlength+=length($element)*2;
1.242     sakharuk 1427: 	    }
1.328     albertel 1428: 	    $newurlp.='/'.$element;
1.242     sakharuk 1429: 	}
1.253     sakharuk 1430:     } else {
                   1431: 	$newurlp=$urlp;
1.242     sakharuk 1432:     }
                   1433:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1434: }
1.215     sakharuk 1435: 
1.275     sakharuk 1436: sub recalcto_mm {
                   1437:     my $textwidth=shift;
                   1438:     my $LaTeXwidth;
1.339     albertel 1439:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1440: 	$LaTeXwidth = $1*10;
1.339     albertel 1441:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1442: 	$LaTeXwidth = $1;
1.339     albertel 1443:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1444: 	$LaTeXwidth = $1*25.4;
                   1445:     }
                   1446:     $LaTeXwidth.=' mm';
                   1447:     return $LaTeXwidth;
                   1448: }
                   1449: 
1.285     albertel 1450: sub get_textwidth {
                   1451:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1452:     my $textwidth=$LaTeXwidth;
1.285     albertel 1453:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1454: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1455: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1456: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1457:     }
1.286     albertel 1458:     return $textwidth;
1.285     albertel 1459: }
                   1460: 
1.296     sakharuk 1461: 
                   1462: sub unsupported {
1.414     albertel 1463:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1464:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1465:     my $result.= &print_latex_header($mode);
1.414     albertel 1466:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1467: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1468: 	my $title=&Apache::lonnet::gettitle($symb);
                   1469: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1470: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1471:     } else {
                   1472: 	$result.=$currentURL;
                   1473:     }
1.419     albertel 1474:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1475:     return $result;
                   1476: }
                   1477: 
1.559     foxr     1478: #
                   1479: #  Map from helper layout style to the book/album:
                   1480: #
                   1481: sub map_laystyle {
                   1482:     my ($laystyle) = @_;
                   1483:     if ($laystyle eq 'L') {
                   1484: 	$laystyle='album';
                   1485:     } else {
                   1486: 	$laystyle='book';
                   1487:     }
                   1488:     return $laystyle;
                   1489: }
                   1490: 
                   1491: sub print_page_in_course {
                   1492:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1493:     my %parmhash       = %$rparmhash;
                   1494:     my @page_resources = @$resources;
                   1495:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1496:     my $symb = $helper->{'VARS'}->{'symb'};
                   1497: 
                   1498: 
                   1499:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1500: 
                   1501: 
                   1502:     my @temporary_array=split /\|/,$format_from_helper;
                   1503:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1504:     $laystyle = &map_laystyle($laystyle);
                   1505:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1506: 								      $numberofcolumns);
                   1507:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1508: 
                   1509: 
                   1510:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1511:     my $result   =    &print_latex_header($mode);
1.559     foxr     1512:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1513: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1514: 	my $title=&Apache::lonnet::gettitle($symb);
                   1515: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1516:     } else {
                   1517: 	$result.=$currentURL;
                   1518:     }
                   1519:     $result .= '\\\\';
                   1520: 
                   1521:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1522: 	&Apache::lonnet::appenv({'construct.style' =>
                   1523: 				$helper->{'VARS'}->{'style_file'}});
                   1524:     } elsif ($env{'construct.style'}) {
                   1525: 	&Apache::lonnet::delenv('construct.style');
                   1526:     }
                   1527: 
                   1528:     # First is the overall page description.  This is then followed by the 
                   1529:     # components of the page. Each of which must be printed independently.
1.564     foxr     1530:     my $the_page = shift(@page_resources); 
1.559     foxr     1531: 
                   1532: 
                   1533:     foreach my $resource (@page_resources) {
                   1534: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1535: 	$result           .= $resource->title() . '\\\\';
                   1536: 
                   1537: 	# Recurse if a .page:
                   1538: 
                   1539: 	if ($resource_src =~ /.page$/i) {
                   1540: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1541: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1542: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1543: 						       $resource_src, \@page_resources);
                   1544: 	}
                   1545: 	# these resources go through the XML transformer:
                   1546: 
                   1547: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/)  {		
                   1548: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1549: 	    my %form;
                   1550: 	    my %moreenv;
                   1551: 
                   1552: 	    &Apache::lonxml::remember_problem_counter();
                   1553: 	    $moreenv{'request.filename'}=$urlp;
                   1554: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1555: 
                   1556: 	    $form{'grade_target'}  = 'tex';
                   1557: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.568.2.2  raeburn  1558: 	    $form{'pdfFormFields'} = 'no';
1.559     foxr     1559: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1560: 	    
                   1561: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1562: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1563: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1564: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1565: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1566: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1567: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1568: 		$form{'problem_split'}='yes';
                   1569: 	    }
                   1570: 	    my $rndseed = time;
                   1571: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1572: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1573: 	    }
                   1574: 	    $form{'rndseed'}=$rndseed;
                   1575: 	    &Apache::lonnet::appenv(\%moreenv);
                   1576: 	    
                   1577: 	    &Apache::lonxml::clear_problem_counter();
                   1578: 
                   1579: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1580: 
                   1581: 
                   1582: 	    # current document with answers.. no need to encap in minipage
                   1583: 	    #  since there's only one answer.
                   1584: 
                   1585: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1586: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1587: 		my %answerform = %form;
                   1588: 
                   1589: 
                   1590: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1591: 		$answerform{'grade_target'}='answer';
                   1592: 		$answerform{'answer_output_mode'}='tex';
                   1593: 		$answerform{'rndseed'}=$rndseed;
                   1594:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1595: 		    $answerform{'problemtype'}='exam';
                   1596: 		}
                   1597: 		$resources_printed .= $urlp.':';
                   1598: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1599: 
                   1600: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1601: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1602: 		} else {
1.562     foxr     1603: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1604: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1605: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1606: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1607: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1608: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1609: 		    } else {
                   1610: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1611: 			my $URLpath=$urlp;
                   1612: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1613: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1614: 		    }
                   1615: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1616: 		}
                   1617: 
                   1618: 
                   1619: 		
                   1620: 
                   1621: 	    
                   1622: 	    }
                   1623: 	    # Print annotations.
                   1624: 
                   1625: 
                   1626: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1627: 		my $annotation .= &annotate($currentURL);
                   1628: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1629: 	    }
                   1630: 	    
                   1631: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1632: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1633: 	    }
                   1634: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1635: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1636: 
                   1637: 	    }
1.562     foxr     1638: 	    $texversion = &latex_header_footer_remove($texversion);
                   1639: 
                   1640: 	    # the first remaining line is a comment from londefdef the second
                   1641: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1642:             # (imperfect removal from header_footer_remove?
                   1643: 
                   1644: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1645: 
1.559     foxr     1646: 	    $result .= $texversion;
                   1647: 	    if ($currentURL=~m/\.page\s*$/) {
                   1648: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1649: 	    }
                   1650: 	}
                   1651:     }
                   1652: 
                   1653:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1654:     return $result;
                   1655: }
                   1656: 
1.296     sakharuk 1657: 
1.363     foxr     1658: #
1.395     www      1659: # List of recently generated print files
                   1660: #
                   1661: sub recently_generated {
                   1662:     my $r=shift;
                   1663:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1664:     my $zip_result;
                   1665:     my $pdf_result;
1.395     www      1666:     opendir(DIR,$prtspool);
1.400     albertel 1667: 
                   1668:     my @files = 
                   1669: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1670:     closedir(DIR);
1.400     albertel 1671: 
                   1672:     @files = sort {
                   1673: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1674: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1675: 	return $bctime <=> $actime;
                   1676:     } (@files);
                   1677: 
                   1678:     foreach my $filename (@files) {
                   1679: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1680: 	my ($cdev,$cino,$cmode,$cnlink,
                   1681: 	    $cuid,$cgid,$crdev,$csize,
                   1682: 	    $catime,$cmtime,$cctime,
                   1683: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1684:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1685: 	my $result=&Apache::loncommon::start_data_table_row()
                   1686:                   .'<td>'
                   1687:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1688:                   .'</td>'
                   1689:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1690:                   .'<td align="right">'.$csize.'</td>'
                   1691:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1692: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1693: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1694:     }
1.544     bisitz   1695:     if ($zip_result || $pdf_result) {
                   1696:         $r->print('<hr />');
                   1697:     }
1.400     albertel 1698:     if ($zip_result) {
1.544     bisitz   1699: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1700:                   .&Apache::loncommon::start_data_table()
                   1701:                   .&Apache::loncommon::start_data_table_header_row()
                   1702:                   .'<th>'.&mt('Download').'</th>'
                   1703:                   .'<th>'.&mt('Creation Date').'</th>'
                   1704:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1705:                   .&Apache::loncommon::end_data_table_header_row()
                   1706:                   .$zip_result
                   1707:                   .&Apache::loncommon::end_data_table()
                   1708:         );
1.400     albertel 1709:     }
                   1710:     if ($pdf_result) {
1.544     bisitz   1711: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1712:                   .&Apache::loncommon::start_data_table()
                   1713:                   .&Apache::loncommon::start_data_table_header_row()
                   1714:                   .'<th>'.&mt('Download').'</th>'
                   1715:                   .'<th>'.&mt('Creation Date').'</th>'
                   1716:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1717:                   .&Apache::loncommon::end_data_table_header_row()
                   1718:                   .$pdf_result
                   1719:                   .&Apache::loncommon::end_data_table()
                   1720:         );
1.396     albertel 1721:     }
1.395     www      1722: }
                   1723: 
                   1724: #
1.363     foxr     1725: #   Retrieve the hash of page breaks.
                   1726: #
                   1727: #  Inputs:
                   1728: #    helper   - reference to helper object.
                   1729: #  Outputs
                   1730: #    A reference to a page break hash.
                   1731: #
                   1732: #
1.562     foxr     1733: # use Data::Dumper;
1.418     foxr     1734: #sub dump_helper_vars {
                   1735: #    my ($helper) = @_;
                   1736: #    my $helpervars = Dumper($helper->{'VARS'});
                   1737: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1738: #}
1.363     foxr     1739: 
1.481     albertel 1740: sub get_page_breaks  {
                   1741:     my ($helper) = @_;
                   1742:     my %page_breaks;
                   1743: 
                   1744:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1745: 	$page_breaks{$break} = 1;
                   1746:     }
                   1747:     return %page_breaks;
                   1748: }
1.363     foxr     1749: 
1.459     foxr     1750: #  Output a sequence (recursively if neeed)
                   1751: #  from construction space.
                   1752: # Parameters:
                   1753: #    url     = URL of the sequence to print.
                   1754: #    helper  - Reference to the helper hash.
                   1755: #    form    - Copy of the format hash.
                   1756: #    LaTeXWidth
                   1757: # Returns:
                   1758: #   Text to add to the printout.
                   1759: #   NOTE if the first element of the outermost sequence
                   1760: #   is itself a sequence, the outermost caller may need to
                   1761: #   prefix the latex with the page headers stuff.
                   1762: #
                   1763: sub print_construction_sequence {
                   1764:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1765:     my $result;
                   1766:     my $rndseed=time;
                   1767:     if ($helper->{'VARS'}->{'curseed'}) {
                   1768: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1769:     }
1.491     albertel 1770:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1771:     # 
                   1772:     #  These make this all support recursing for subsequences.
                   1773:     #
1.491     albertel 1774:     my @order    = @LONCAPA::map::order;
                   1775:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1776:     for (my $member=0;$member<=$#order;$member++) {
                   1777: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1778: 	my $urlp=$2;
                   1779: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1780: 	    my $texversion='';
                   1781: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1782: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1783: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1784: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1785: 		$form{'rndseed'}=$rndseed;
                   1786: 		$resources_printed .=$urlp.':';
1.515     foxr     1787: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1788: 	    }
                   1789: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1790: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1791: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1792: 		#  Don't permanently modify %$form...
                   1793: 		my %answerform = %form;
                   1794: 		$answerform{'grade_target'}='answer';
                   1795: 		$answerform{'answer_output_mode'}='tex';
                   1796: 		$answerform{'rndseed'}=$rndseed;
                   1797: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1798: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1799: 		$resources_printed .= $urlp.':';
1.515     foxr     1800: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1801: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1802: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1803: 		} else {
                   1804: 		    # If necessary, encapsulate answer in minipage:
                   1805: 		    
                   1806: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1807: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1808: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1809: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1810: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1811: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1812: 		    $body = &encapsulate_minipage($body);
                   1813: 		    $texversion.=$body;
                   1814: 		}
                   1815: 	    }
                   1816: 	    $texversion = &latex_header_footer_remove($texversion);
                   1817: 
                   1818: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1819: 		$texversion=&IndexCreation($texversion,$urlp);
                   1820: 	    }
                   1821: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1822: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1823: 	    }
                   1824: 	    $result.=$texversion;
                   1825: 
                   1826: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1827:  
1.459     foxr     1828: 	    # header:
                   1829: 
                   1830: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1831: 
                   1832: 	    # IF sequence, recurse:
                   1833: 	    
                   1834: 	    if ($urlp =~ /\.sequence$/) {
                   1835: 		my $sequence_url = $urlp;
                   1836: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1837: 		my $user         = $env{'user.name'};
                   1838: 
                   1839: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1840: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1841: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1842: 		$result .= &print_construction_sequence($sequence_url, 
                   1843: 							$helper, %form, 
                   1844: 							$LaTeXwidth);
                   1845: 	    }
1.550     foxr     1846: 	}
                   1847: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1848: 	    my $texversion;
                   1849: 	    if ($member != 0) {
                   1850: 		$texversion .= '\cleardoublepage';
                   1851: 	    }
                   1852: 
                   1853: 	    $texversion .= &include_pdf($urlp);
                   1854: 	    $texversion = &latex_header_footer_remove($texversion);
                   1855: 	    if ($member != $#order) {
                   1856: 		$texversion .= '\\ \cleardoublepage';
                   1857: 	    }
1.551     foxr     1858: 	    
                   1859: 	    $result .= $texversion;
1.550     foxr     1860: 	}
1.459     foxr     1861:     }
                   1862:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1863:     return $result;
                   1864: }
                   1865: 
1.177     sakharuk 1866: sub output_data {
1.184     sakharuk 1867:     my ($r,$helper,$rparmhash) = @_;
                   1868:     my %parmhash = %$rparmhash;
1.515     foxr     1869:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1870:     $resources_printed = '';
1.556     foxr     1871:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     1872:     my $do_postprocessing = 1;
1.433     albertel 1873:     my $js = <<ENDPART;
                   1874: <script type="text/javascript">
1.264     sakharuk 1875:     var editbrowser;
                   1876:     function openbrowser(formname,elementname,only,omit) {
                   1877:         var url = '/res/?';
                   1878:         if (editbrowser == null) {
                   1879:             url += 'launch=1&';
                   1880:         }
                   1881:         url += 'catalogmode=interactive&';
                   1882:         url += 'mode=parmset&';
                   1883:         url += 'form=' + formname + '&';
                   1884:         if (only != null) {
                   1885:             url += 'only=' + only + '&';
                   1886:         } 
                   1887:         if (omit != null) {
                   1888:             url += 'omit=' + omit + '&';
                   1889:         }
                   1890:         url += 'element=' + elementname + '';
                   1891:         var title = 'Browser';
                   1892:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1893:         options += ',width=700,height=600';
                   1894:         editbrowser = open(url,title,options,'1');
                   1895:         editbrowser.focus();
                   1896:     }
                   1897: </script>
1.140     sakharuk 1898: ENDPART
                   1899: 
1.512     foxr     1900: 
1.558     bisitz   1901:     # Breadcrumbs
                   1902:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   1903:     my $brcrum = [{'href' => '',
                   1904:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   1905:                   {'href' => '',
                   1906:                    'text' => 'Preparing Printout'}];
                   1907: 
                   1908:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   1909:                                                      $js,
                   1910:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 1911:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1912: 
1.433     albertel 1913:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1914: 
1.363     foxr     1915:     # fetch the pagebreaks and store them in the course environment
                   1916:     # The page breaks will be pulled into the hash %page_breaks which is
                   1917:     # indexed by symb and contains 1's for each break.
                   1918: 
1.373     albertel 1919:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1920:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1921:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1922: 					      {'pagebreaks'    => 'scalar',
                   1923: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1924: 
1.364     albertel 1925:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1926: 
1.140     sakharuk 1927:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1928:     my ($result,$selectionmade) = ('','');
                   1929:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1930:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    1931:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     1932: 
                   1933:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 1934:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1935:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1936:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1937:     my @print_array=();
1.274     sakharuk 1938:     my @student_names=();
1.360     albertel 1939: 
1.512     foxr     1940:      
1.360     albertel 1941:     #  Common settings for the %form has:
                   1942:     # In some cases these settings get overriddent by specific cases, but the
                   1943:     # settings are common enough to make it worthwhile factoring them out
                   1944:     # here.
                   1945:     #
                   1946:     my %form;
                   1947:     $form{'grade_target'} = 'tex';
                   1948:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.568.2.2  raeburn  1949:     $form{'pdfFormFields'} = 'no';
1.372     foxr     1950: 
                   1951:     # If form.showallfoils is set, then request all foils be shown:
                   1952:     # privilege will be enforced both by not allowing the 
                   1953:     # check box selecting this option to be presnt unless it's ok,
                   1954:     # and by lonresponse's priv. check.
                   1955:     # The if is here because lonresponse.pm only cares that
                   1956:     # showallfoils is defined, not what the value is.
                   1957: 
                   1958:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1959: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1960:     }
1.504     albertel 1961:     
                   1962:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1963: 	&Apache::lonnet::appenv({'construct.style' =>
                   1964: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1965:     } elsif ($env{'construct.style'}) {
1.549     raeburn  1966: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 1967:     }
                   1968: 
1.372     foxr     1969: 
1.140     sakharuk 1970:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1971:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1972: 	my ($currentURL,$cleanURL);
1.375     foxr     1973: 
1.162     sakharuk 1974: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1975:             #prints published resource
1.153     sakharuk 1976: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1977: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1978: 	} else {
1.512     foxr     1979: 
1.185     sakharuk 1980:             #prints resource from the construction space
1.240     albertel 1981: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1982: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1983: 	    $cleanURL=$currentURL;
1.143     sakharuk 1984: 	}
1.140     sakharuk 1985: 	$selectionmade = 1;
1.413     albertel 1986: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     1987: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1988: 	    my $rndseed=time;
1.242     sakharuk 1989: 	    my $texversion='';
                   1990: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1991: 		my %moreenv;
1.343     albertel 1992: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 1993:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 1994: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 1995: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 1996: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 1997: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     1998: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1999: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2000: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2001: 		    $form{'problem_split'}='yes';
                   2002: 		}
1.242     sakharuk 2003: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2004: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2005: 		}
                   2006: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2007: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2008: 
                   2009: 		&Apache::lonxml::clear_problem_counter();
                   2010: 
1.375     foxr     2011: 		$resources_printed .= $currentURL.':';
1.515     foxr     2012: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2013: 
1.511     foxr     2014: 		#  Add annotations if required:
                   2015: 	    
1.428     albertel 2016: 		&Apache::lonxml::clear_problem_counter();
                   2017: 
1.242     sakharuk 2018: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2019: 	    }
1.423     foxr     2020: 	    # current document with answers.. no need to encap in minipage
                   2021: 	    #  since there's only one answer.
                   2022: 
1.242     sakharuk 2023: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2024: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2025: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2026: 		$form{'grade_target'}='answer';
1.167     albertel 2027: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2028: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2029:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2030: 		    $form{'problemtype'}='exam';
                   2031: 		}
1.375     foxr     2032: 		$resources_printed .= $currentURL.':';
1.515     foxr     2033: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2034: 		
                   2035: 
1.242     sakharuk 2036: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2037: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2038: 		} else {
                   2039: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2040: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2041: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2042: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2043: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2044: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2045: 		    } else {
                   2046: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2047: 			my $URLpath=$cleanURL;
1.245     sakharuk 2048: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2049: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2050: 		    }
1.242     sakharuk 2051: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2052: 		}
1.511     foxr     2053: 
                   2054: 
                   2055: 		
                   2056: 
1.550     foxr     2057: 	    
1.511     foxr     2058: 	    }
                   2059: 	    # Print annotations.
                   2060: 
                   2061: 
                   2062: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2063: 		my $annotation .= &annotate($currentURL);
                   2064: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2065: 	    }
1.511     foxr     2066: 
                   2067: 
1.214     sakharuk 2068: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2069: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2070: 	    }
1.219     sakharuk 2071: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2072: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2073: 
                   2074: 	    }
1.162     sakharuk 2075: 	    $result .= $texversion;
                   2076: 	    if ($currentURL=~m/\.page\s*$/) {
                   2077: 		($result,$number_of_columns) = &page_cleanup($result);
                   2078: 	    }
1.413     albertel 2079:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2080: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2081:             #printing content of sequence from the construction space	
1.559     foxr     2082: 
                   2083: 
1.227     sakharuk 2084: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2085: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2086: 						    $LaTeXwidth);
                   2087: 	    $result .= '\end{document}';  
                   2088: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2089: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2090: 	    }
1.459     foxr     2091: 	    # End construction space sequence.
1.456     raeburn  2092: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2093: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2094: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2095: 		$resources_printed .= $currentURL.':';
1.567     foxr     2096: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2097: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2098: 		    my $annotation = &annotate($currentURL);
                   2099: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2100: 		}
1.258     sakharuk 2101: 		$result .= $texversion;
1.550     foxr     2102: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2103: 	    # For this sort of print of a single LaTeX file,
                   2104: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2105: 	    #
                   2106: 
                   2107: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2108: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2109: 		my $annotation = &annotate($currentURL);
                   2110: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2111: 	    }
                   2112: 
1.499     foxr     2113: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2114: 
1.550     foxr     2115: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2116: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2117: 	    $result .= '\end{document}';
1.559     foxr     2118: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2119: 
                   2120: 	    # Determine the set of resources in the map of the page:
                   2121: 
                   2122: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2123: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2124: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2125: 							$cleanURL, \@page_resources);
                   2126: 
                   2127:        
1.162     sakharuk 2128: 	} else {
1.414     albertel 2129: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2130: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2131: 	}
1.354     foxr     2132:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2133: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2134: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2135:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2136:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2137: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2138: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2139: 	     ) { 
1.511     foxr     2140: 
                   2141: 
1.141     sakharuk 2142:         #-- produce an output string
1.562     foxr     2143: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2144: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2145: 	    $selectionmade = 2;
1.562     foxr     2146: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2147: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2148: 	{
1.296     sakharuk 2149: 	    $selectionmade = 3;
1.536     foxr     2150: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2151: 		 ) {
1.296     sakharuk 2152: 	    $selectionmade = 4;
1.354     foxr     2153: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2154: 	    $selectionmade = 4;
1.296     sakharuk 2155: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2156: 	    $selectionmade = 7;
                   2157: 	}
1.193     sakharuk 2158: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2159: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2160: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2161: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2162: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2163: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2164: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2165: 	    $form{'problem_split'}='yes';
                   2166: 	}
1.141     sakharuk 2167: 	my $flag_latex_header_remove = 'NO';
                   2168: 	my $flag_page_in_sequence = 'NO';
                   2169: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2170: 	my $prevassignment='';
1.428     albertel 2171: 
                   2172: 	&Apache::lonxml::clear_problem_counter();
                   2173: 
1.416     foxr     2174: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2175: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2176: 
1.521     foxr     2177: 	    &Apache::lonenc::reset_enc();
                   2178: 
                   2179: 
1.350     foxr     2180: 	    # Note due to document structure, not allowed to put \newpage
                   2181: 	    # prior to the first resource
                   2182: 
1.351     foxr     2183: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2184: 		if($i != 0) {
                   2185: 		    $result.="\\newpage\n";
                   2186: 		}
                   2187: 	    }
1.564     foxr     2188: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2189: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2190: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2191: 
                   2192: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2193: 
1.267     sakharuk 2194: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2195: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2196: 	    my $texversion='';
1.413     albertel 2197: 	    if ($urlp!~m|^/adm/|
                   2198: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2199: 		$resources_printed .= $urlp.':';
1.428     albertel 2200: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2201: 		if ($flag_latex_header_remove eq 'NO') {
                   2202: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2203: 		    $flag_latex_header_remove = 'YES';
                   2204: 		}
1.515     foxr     2205: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2206: 		if ($urlp=~/\.page$/) {
                   2207: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2208: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2209: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2210: 		    $flag_page_in_sequence = 'YES';
                   2211: 		} 
1.428     albertel 2212: 
1.296     sakharuk 2213: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2214: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2215: 		    #  Don't permanently pervert the %form hash
                   2216: 		    my %answerform = %form;
                   2217: 		    $answerform{'grade_target'}='answer';
                   2218: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2219: 		    $resources_printed .= $urlp.':';
1.428     albertel 2220: 
                   2221: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2222: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2223: 
1.296     sakharuk 2224: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2225: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2226: 		    } else {
1.307     sakharuk 2227: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2228: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2229: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2230: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2231: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2232: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2233: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2234: 			    $body   .='\vskip 1 mm '.$answer;
                   2235: 			    $body    = &encapsulate_minipage($body);
                   2236: 			    $texversion .= $body;
1.296     sakharuk 2237: 			} else {
                   2238: 			    $texversion='';
                   2239: 			}
1.249     sakharuk 2240: 		    }
1.511     foxr     2241: 
1.246     sakharuk 2242: 		}
1.511     foxr     2243: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2244: 		    my $annotation .= &annotate($urlp);
                   2245: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2246: 		}
                   2247: 
1.296     sakharuk 2248: 		if ($flag_latex_header_remove ne 'NO') {
                   2249: 		    $texversion = &latex_header_footer_remove($texversion);
                   2250: 		} else {
                   2251: 		    $texversion =~ s/\\end{document}//;
                   2252: 		}
                   2253: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2254: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2255: 		}
                   2256: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2257: 		    my $name = &get_name();
                   2258: 		    my $courseidinfo = &get_course();
1.568.2.4! raeburn  2259: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.296     sakharuk 2260: 		    $prevassignment=$assignment;
1.455     albertel 2261: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2262: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2263: 							  $assignment, 
                   2264: 							  $courseidinfo, 
                   2265: 							  $name);
1.552     foxr     2266: 
1.417     foxr     2267: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2268: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2269: 		    } else {
1.455     albertel 2270: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2271: 		    }			
1.296     sakharuk 2272: 		}
                   2273: 		$result .= $texversion;
                   2274: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2275: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2276: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2277: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2278: 		$resources_printed .= $urlp.':';
1.567     foxr     2279: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2280: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2281: 		    my $annotation = &annotate($urlp);
                   2282: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2283: 		}
                   2284: 
1.301     sakharuk 2285: 		if ($flag_latex_header_remove ne 'NO') {
                   2286: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2287: 		} else {	
1.301     sakharuk 2288: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2289: 		}
                   2290: 		$result .= $texversion;
                   2291: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2292: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2293: 		if ($i > 0) {
                   2294: 		    $result .= '\cleardoublepage';
                   2295: 		}
                   2296: 		$result .= &include_pdf($urlp);
                   2297: 		if ($i != $#master_seq) {
                   2298: 		    if ($numberofcolumns eq '1') {
                   2299: 			$result .= '\newpage';
                   2300: 		    } else {
                   2301: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2302: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2303: 			#
                   2304: 			$result .= '\\ \cleardoublepage';
                   2305: 		    }
                   2306: 		}
                   2307: 		$flag_latex_header_remove = 'YES';
                   2308: 
1.141     sakharuk 2309: 	    } else {
1.414     albertel 2310: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2311: 					 $master_seq[$i]);
1.297     sakharuk 2312: 		if ($flag_latex_header_remove ne 'NO') {
                   2313: 		    $texversion = &latex_header_footer_remove($texversion);
                   2314: 		} else {
                   2315: 		    $texversion =~ s/\\end{document}//;
                   2316: 		}
                   2317: 		$result .= $texversion;
                   2318: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2319: 	    }	    
1.550     foxr     2320: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2321: 		last; 
                   2322: 	    }
1.141     sakharuk 2323: 	}
1.428     albertel 2324: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2325: 	if ($flag_page_in_sequence eq 'YES') {
                   2326: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2327: 	}	
1.141     sakharuk 2328: 	$result .= '\end{document}';
1.284     albertel 2329:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2330: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2331: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2332: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2333: 
                   2334: 
1.150     sakharuk 2335:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2336: 	 my $type;
1.536     foxr     2337: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2338: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2339: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2340: 	     $selectionmade=5;
1.284     albertel 2341: 	     $type='problems';
1.254     sakharuk 2342: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2343: 	     $selectionmade=8;
1.284     albertel 2344: 	     $type='resources';
1.254     sakharuk 2345: 	 }
1.150     sakharuk 2346: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2347: 	 #   The normal sort order is by section then by students within the
                   2348: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2349: 	 #   to override this and output the students by name.
                   2350: 	 #    Each element of the students array is of the form:
                   2351: 	 #       username:domain:section:last, first:status
                   2352: 	 #    
1.429     foxr     2353: 	 #  Note that student sort is not compatible with printing 
                   2354: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2355: 	 #   
1.429     foxr     2356: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2357: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2358: 	     @students = sort compare_names  @students;
                   2359: 	 }
1.429     foxr     2360: 	 &adjust_number_to_print($helper);
                   2361: 
1.278     albertel 2362:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2363: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2364: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2365: 	 }
1.429     foxr     2366: 	 # If we are splitting on section boundaries, we need 
                   2367: 	 # to remember that in split_on_sections and 
                   2368: 	 # print all of the students in the list.
                   2369: 	 #
                   2370: 	 my $split_on_sections = 0;
                   2371: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2372: 	     $split_on_sections = 1;
                   2373: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2374: 	 }
1.150     sakharuk 2375: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2376: 
1.150     sakharuk 2377: 	 #loop over students
1.562     foxr     2378: 
                   2379:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2380: 	 my %moreenv;
1.330     sakharuk 2381:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2382: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2383: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2384: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2385: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2386: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2387: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2388: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2389: 	     $moreenv{'problem_split'}='yes';
                   2390: 	 }
1.318     albertel 2391: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2392: 	 my $student_counter=-1;
1.429     foxr     2393: 	 my $i = 0;
1.430     albertel 2394: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2395: 	 foreach my $person (@students) {
1.350     foxr     2396: 
1.373     albertel 2397:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2398: 	     if (-e $duefile) {
                   2399: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2400: 		 print $temp_file "1969\n";
                   2401: 	     }
1.272     sakharuk 2402: 	     $student_counter++;
1.429     foxr     2403: 	     if ($split_on_sections) {
1.430     albertel 2404: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2405: 		 if ($this_section ne $last_section) {
                   2406: 		     $i++;
                   2407: 		     $last_section = $this_section;
                   2408: 		 }
                   2409: 	     } else {
                   2410: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2411: 	     }
1.375     foxr     2412: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2413: 						     $person,$type,
                   2414: 						     \%moreenv,\@master_seq,
1.360     albertel 2415: 						     $flag_latex_header_remove,
1.422     albertel 2416: 						     $LaTeXwidth);
1.375     foxr     2417: 	     $resources_printed .= ":";
1.284     albertel 2418: 	     $print_array[$i].=$output;
                   2419: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2420: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2421: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2422: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2423: 	 }
                   2424: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2425: 	 $result .= $print_array[0].'  \end{document}';
                   2426:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2427: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2428: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2429: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2430: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2431: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2432: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2433: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2434: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2435: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2436: 
1.381     albertel 2437: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2438:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2439: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2440: 	 foreach my $line (@lines) {
1.381     albertel 2441: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2442: 	     if ($name eq $code_option) {
                   2443: 		 $code_length=$length;
                   2444: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2445: 	     }
                   2446: 	 }
1.288     albertel 2447: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2448: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2449:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2450: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2451: 	 my @allcodes;
                   2452: 	 if ($old_name) {
1.381     albertel 2453: 	     my %result=&Apache::lonnet::get('CODEs',
                   2454: 					     [$old_name,"type\0$old_name"],
                   2455: 					     $cdom,$cnum);
                   2456: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2457: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2458: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2459: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2460: 	     $num_todo = 1;
                   2461: 	     @allcodes = ($selected_code);
1.385     foxr     2462: 	 } elsif ($single_code) {
                   2463: 
1.387     foxr     2464: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2465: 	     # If an alpha code have to convert to numbers so it can be
                   2466: 	     # converted back to letters again :-)
                   2467: 	     #
                   2468: 	     if ($code_type ne 'number') {
                   2469: 		 $single_code = &letters_to_num($single_code);
                   2470: 	     }
                   2471: 	     @allcodes = ($single_code);
1.292     albertel 2472: 	 } else {
                   2473: 	     my %allcodes;
1.299     albertel 2474: 	     srand($seed);
1.292     albertel 2475: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2476: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2477: 					    $code_type);
1.292     albertel 2478: 	     }
                   2479: 	     if ($code_name) {
                   2480: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2481: 				      {
                   2482: 					$code_name =>join(',',keys(%allcodes)),
                   2483: 					"type\0$code_name" => $code_type
                   2484: 				      },
1.292     albertel 2485: 				      $cdom,$cnum);
                   2486: 	     }
                   2487: 	     @allcodes=keys(%allcodes);
                   2488: 	 }
1.336     albertel 2489: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2490: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2491: 	 &adjust_number_to_print($helper);
1.336     albertel 2492: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2493: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2494: 	     $number_per_page=$num_todo;
                   2495: 	 }
                   2496: 	 my $flag_latex_header_remove = 'NO'; 
                   2497: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2498: 	 my $count=0;
1.292     albertel 2499: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2500: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2501: 	     if ($code_type eq 'number') { 
                   2502: 		 $moreenv{'CODE'}=$code;
                   2503: 	     } else {
                   2504: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2505: 	     }
1.375     foxr     2506: 	     my ($output,$fullname, $printed)=
1.288     albertel 2507: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2508: 				  \@master_seq,$flag_latex_header_remove,
                   2509: 				  $LaTeXwidth);
1.375     foxr     2510: 	     $resources_printed .= ":";
1.295     albertel 2511: 	     $print_array[$file_num].=$output;
1.288     albertel 2512: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2513: 				       &mt('last assignment').' '.$fullname);
                   2514: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2515: 	     $count++;
1.331     albertel 2516: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2517: 	 }
                   2518: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2519: 	 $result .= $print_array[0].'  \end{document}';
                   2520:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2521:     #prints selected problems from the subdirectory 
                   2522: 	$selectionmade = 6;
                   2523:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2524: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2525: 	my $flag_latex_header_remove = 'NO'; 
                   2526: 	my $rndseed=time;
1.230     albertel 2527: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2528: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2529: 	}
1.151     sakharuk 2530: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2531: 
                   2532: 	    &Apache::lonenc::reset_enc();
                   2533: 
1.152     sakharuk 2534: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2535: 	    $urlp=~s|//|/|;
1.152     sakharuk 2536: 	    if ($urlp=~/\//) {
1.353     foxr     2537: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2538: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2539: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2540: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2541: 		} else {
1.302     sakharuk 2542: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2543: 		}
1.375     foxr     2544: 		$resources_printed .= $urlp.':';
1.515     foxr     2545: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2546: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2547: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2548: 		    #  Don't permanently pervert %form:
                   2549: 		    my %answerform = %form;
                   2550: 		    $answerform{'grade_target'}='answer';
                   2551: 		    $answerform{'answer_output_mode'}='tex';
                   2552: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2553: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2554: 		    $resources_printed .= $urlp.':';
1.515     foxr     2555: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2556: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2557: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2558: 		    } else {
1.253     sakharuk 2559: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2560: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2561: 			    $texversion.='\vskip 0 mm \noindent ';
                   2562: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2563: 			} else {
                   2564: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2565: 			    my $URLpath=$urlp;
                   2566: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2567: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2568: 			}
                   2569: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2570: 		    }
1.174     sakharuk 2571: 		}
1.515     foxr     2572:                 #this chunk is responsible for printing the path to problem
                   2573: 
1.253     sakharuk 2574: 		my $newurlp=$urlp;
                   2575: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2576: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2577: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2578: 		if ($flag_latex_header_remove ne 'NO') {
                   2579: 		    $texversion = &latex_header_footer_remove($texversion);
                   2580: 		} else {
                   2581: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2582: 		}
                   2583: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2584: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2585: 		}
1.219     sakharuk 2586: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2587: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2588: 		    
                   2589: 		}
1.152     sakharuk 2590: 		$result .= $texversion;
                   2591: 	    }
                   2592: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2593: 	}
1.175     sakharuk 2594: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2595: 	$result .= '\end{document}';      	
1.140     sakharuk 2596:     }
                   2597: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2598: 
                   2599:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2600: 
                   2601:     if ($do_postprocessing) {
                   2602: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2603: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2604: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2605: 	#if ($numberofcolumns == 1) {
1.451     albertel 2606: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2607: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2608: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2609: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2610: 	#}
                   2611:     }
1.367     foxr     2612: 
1.515     foxr     2613:     # Set URLback if this is a construction space print so we can provide
                   2614:     # a link to the resource being edited.
                   2615:     #
1.274     sakharuk 2616: 
1.276     sakharuk 2617:     my $URLback=''; #link to original document
1.510     albertel 2618:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2619: 	#prints resource from the construction space
                   2620: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2621: 	if ($URLback=~/([^?]+)/) {
                   2622: 	    $URLback=$1;
                   2623: 	    $URLback=~s|^/~|/priv/|;
                   2624: 	}
1.276     sakharuk 2625:     }
1.556     foxr     2626:     #
                   2627:     # Final adjustment of the font size:
                   2628:     #
                   2629: 
                   2630:     $result = set_font_size($result);
1.375     foxr     2631: 
1.525     www      2632: #-- writing .tex file in prtspool 
                   2633:     my $temp_file;
                   2634:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2635:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2636:     if (!($#print_array>0)) { 
                   2637:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2638: 	  $r->log_error("Couldn't open $filename for output $!");
                   2639: 	  return SERVER_ERROR; 
                   2640:        }
                   2641:        print $temp_file $result;
                   2642:        my $begin=index($result,'\begin{document}',0);
                   2643:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2644:     } else {
1.525     www      2645:        my $begin=index($result,'\begin{document}',0);
                   2646:        my $inc=substr($result,0,$begin+16);
                   2647:        for (my $i=0;$i<=$#print_array;$i++) {
                   2648: 	  if ($i==0) {
                   2649: 	      $print_array[$i]=$result;
                   2650: 	  } else {
                   2651: 	      $print_array[$i].='\end{document}';
                   2652: 	      $print_array[$i] = 
                   2653: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2654: 				   $selectionmade, 
                   2655: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2656: 	    
1.525     www      2657: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2658: 	      substr($print_array[$i],0,$anobegin)='';
                   2659: 	      $print_array[$i]=$inc.$print_array[$i];
                   2660: 	  }
                   2661: 	  my $temp_file;
                   2662: 	  my $newfilename=$filename;
                   2663: 	  my $num=$i+1;
                   2664: 	  $newfilename =~s/\.tex$//; 
                   2665: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2666: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2667: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2668: 	      return SERVER_ERROR; 
                   2669: 	  }
                   2670: 	  print $temp_file $print_array[$i];
                   2671:        }
                   2672:     }
                   2673:     my $student_names='';
                   2674:     if ($#print_array>0) {
                   2675:         for (my $i=0;$i<=$#print_array;$i++) {
                   2676:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2677: 	}
1.525     www      2678:     } else {
                   2679: 	if ($#student_names>-1) {
                   2680: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2681: 	} else {
1.525     www      2682:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2683: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2684: 				    $env{'request.course.sec'},$fullname).
                   2685: 					'_ENDPERSON_'.'_END_';
                   2686: 	}
1.525     www      2687:      }
1.515     foxr     2688: 	
1.525     www      2689:      # logic for now is too complex to trace if this has been defined
                   2690:      #  yet.
                   2691:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2692:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2693:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2694: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2695: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2696: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2697: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2698: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2699: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2700: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2701: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2702: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2703: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2704:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2705: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2706: 				"cgi.$identifier.courseid" => $cnum, 
                   2707: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2708: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2709: 	
1.525     www      2710:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2711:     my $continue_text = &mt('Continue');
1.525     www      2712:     # If there's been an unrecoverable SSI error, report it to the user
                   2713:     if ($ssi_error) {
                   2714:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2715:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2716:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2717:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2718:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2719:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2720:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2721:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2722:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2723:     } else {
1.515     foxr     2724: 	$r->print(<<FINALEND);
1.317     albertel 2725: <br />
1.288     albertel 2726: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2727: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2728: $end_page
1.140     sakharuk 2729: FINALEND
1.528     raeburn  2730:     }                                     # endif ssi errors.
1.140     sakharuk 2731: }
                   2732: 
1.288     albertel 2733: 
                   2734: sub get_CODE {
1.381     albertel 2735:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2736:     my $max='1'.'0'x$size;
                   2737:     my $newcode;
                   2738:     while(1) {
1.392     albertel 2739: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2740: 	if (!exists($$all_codes{$newcode})) {
                   2741: 	    $$all_codes{$newcode}=1;
1.381     albertel 2742: 	    if ($type eq 'number' ) {
                   2743: 		return $newcode;
                   2744: 	    } else {
                   2745: 		return &num_to_letters($newcode);
                   2746: 	    }
1.288     albertel 2747: 	}
                   2748:     }
                   2749: }
1.140     sakharuk 2750: 
1.284     albertel 2751: sub print_resources {
1.360     albertel 2752:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2753: 	$LaTeXwidth)=@_;
1.284     albertel 2754:     my $current_output = ''; 
1.375     foxr     2755:     my $printed = '';
1.284     albertel 2756:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2757:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2758:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2759:     if ($person =~ 'anon') {
1.492     foxr     2760: 	$namepostfix .="Name: ";
1.288     albertel 2761: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2762:     }
1.444     foxr     2763:     #  Fullname may have special latex characters that need \ prefixing:
                   2764:     #
                   2765: 
1.350     foxr     2766:     my $i           = 0;
1.284     albertel 2767:     #goes through all resources, checks if they are available for 
                   2768:     #current student, and produces output   
1.428     albertel 2769: 
                   2770:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2771:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2772:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2773:     #
1.441     foxr     2774:     #   end each student with a 
1.440     foxr     2775:     #   Special that allows the post processor to even out the page
                   2776:     #   counts later.  Nasty problem this... it would be really
                   2777:     #   nice to put the special in as a postscript comment
1.441     foxr     2778:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2779:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2780:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2781:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2782:     #
1.568     foxr     2783:     my $syllabus_first = 0;
1.284     albertel 2784:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2785: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2786: 	    if($i != 0) {
                   2787: 		$current_output.= "\\newpage\n";
                   2788: 	    }
                   2789: 	}
                   2790: 	$i++;
1.511     foxr     2791: 
1.284     albertel 2792: 	if ( !($type eq 'problems' && 
                   2793: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2794: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2795: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2796: 		if ($res_url!~m|^ext/|
1.413     albertel 2797: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2798: 		    $printed .= $curresline.':';
1.428     albertel 2799: 		    &Apache::lonxml::remember_problem_counter();    
                   2800: 
1.526     www      2801: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2802: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2803: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2804: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2805: 			my %answerenv = %{$moreenv};
                   2806: 			$answerenv{'answer_output_mode'}='tex';
                   2807: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2808: 			
                   2809: 			&Apache::lonxml::restore_problem_counter();
                   2810: 
1.380     foxr     2811: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2812: 
1.305     sakharuk 2813: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2814: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2815: 			} else {
1.423     foxr     2816: 
                   2817: 			    
                   2818: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2819: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2820: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2821: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2822: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2823: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2824: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2825: 			    $body     = &encapsulate_minipage($body);
                   2826: 			    $rendered = $header.$body;
1.305     sakharuk 2827: 			}
                   2828: 		    }
1.511     foxr     2829: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2830: 			my $url = &Apache::lonnet::clutter($res_url);
                   2831: 			my $annotation = &annotate($url);
                   2832: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2833: 		    }
1.562     foxr     2834: 		    my $junk;
1.305     sakharuk 2835: 		    if ($remove_latex_header eq 'YES') {
                   2836: 			$rendered = &latex_header_footer_remove($rendered);
                   2837: 		    } else {
                   2838: 			$rendered =~ s/\\end{document}//;
                   2839: 		    }
                   2840: 		    $current_output .= $rendered;		    
1.456     raeburn  2841: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     2842: 		    if ($i == 1) {
                   2843: 			$syllabus_first = 1;
                   2844: 		    }
1.375     foxr     2845: 		    $printed .= $curresline.':';
1.528     raeburn  2846: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2847: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2848: 			my $url = &Apache::lonnet::clutter($res_url);
                   2849: 			my $annotation = &annotate($url);
                   2850: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2851: 		    }
1.305     sakharuk 2852: 		    if ($remove_latex_header eq 'YES') {
                   2853: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2854: 		    } else {
1.305     sakharuk 2855: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2856: 		    }
1.421     foxr     2857: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2858: 		} elsif($res_url = ~/\.pdf$/) {
                   2859: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2860: 		    my $rendered  = &include_pdf($url);
                   2861: 		    if ($remove_latex_header ne 'NO') {
                   2862: 			$rendered = &latex_header_footer_remove($rendered);
                   2863: 		    }
                   2864: 		    $current_output .= $rendered;
1.284     albertel 2865: 		} else {
1.414     albertel 2866: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2867: 		    if ($remove_latex_header ne 'NO') {
                   2868: 			$rendered = &latex_header_footer_remove($rendered);
                   2869: 		    } else {
                   2870: 			$rendered =~ s/\\end{document}//;
                   2871: 		    }
                   2872: 		    $current_output .= $rendered;
1.284     albertel 2873: 		}
                   2874: 	    }
                   2875: 	    $remove_latex_header = 'YES';
1.550     foxr     2876: 	} 
1.331     albertel 2877: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2878:     }
1.552     foxr     2879: 
                   2880: 
1.284     albertel 2881:     my $courseidinfo = &get_course();
1.568.2.4! raeburn  2882:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
        !          2883:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1.284     albertel 2884:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2885:     my $header_line =
1.486     foxr     2886: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.568.2.4! raeburn  2887: 			    $currentassignment, $courseidinfo, $fullname);
1.476     albertel 2888:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2889: 	                                         : '\fancyhead[LO]';
                   2890:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     2891:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 2892: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     2893:     } elsif ($syllabus_first) {
                   2894: 
                   2895: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 2896:     } else {
1.476     albertel 2897: 	my $blankpages = 
                   2898: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2899: 	    
                   2900: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2901: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2902: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2903: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2904:     }
1.440     foxr     2905:     #
                   2906:     #  Close the student bracketing.
                   2907:     #
1.375     foxr     2908:     return ($current_output,$fullname, $printed);
1.284     albertel 2909: 
                   2910: }
1.140     sakharuk 2911: 
1.3       sakharuk 2912: sub handler {
                   2913: 
                   2914:     my $r = shift;
1.397     albertel 2915:     
                   2916:     &init_perm();
1.114     bowersj2 2917: 
1.416     foxr     2918: 
1.67      www      2919: 
1.397     albertel 2920:     my $helper = printHelper($r);
                   2921:     if (!ref($helper)) {
                   2922: 	return $helper;
1.60      sakharuk 2923:     }
1.177     sakharuk 2924:    
1.184     sakharuk 2925: 
1.454     foxr     2926:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2927:  
1.416     foxr     2928: 
1.350     foxr     2929: 
                   2930: 
1.367     foxr     2931:     #  If a figure conversion queue file exists for this user.domain
                   2932:     # we delete it since it can only be bad (if it were good, printout.pl
                   2933:     # would have deleted it the last time around.
                   2934: 
1.373     albertel 2935:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2936:     if(-e $conversion_queuefile) {
                   2937: 	unlink $conversion_queuefile;
                   2938:     }
1.515     foxr     2939:     
                   2940: 
1.184     sakharuk 2941:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2942:     return OK;
1.60      sakharuk 2943: } 
1.2       sakharuk 2944: 
1.131     bowersj2 2945: use Apache::lonhelper;
1.130     sakharuk 2946: 
1.223     bowersj2 2947: sub addMessage {
                   2948:     my $text = shift;
                   2949:     my $paramHash = Apache::lonhelper::getParamHash();
                   2950:     $paramHash->{MESSAGE_TEXT} = $text;
                   2951:     Apache::lonhelper::message->new();
                   2952: }
                   2953: 
1.416     foxr     2954: 
1.238     bowersj2 2955: 
1.397     albertel 2956: sub init_perm {
                   2957:     undef(%perm);
                   2958:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2959:     if (!$perm{'pav'}) {
                   2960: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2961: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2962:     }
1.465     albertel 2963:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2964:     if (!$perm{'pfo'}) {
                   2965: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2966: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2967:     }
                   2968: }
                   2969: 
1.507     albertel 2970: sub get_randomly_ordered_warning {
                   2971:     my ($helper,$map) = @_;
                   2972: 
                   2973:     my $message;
                   2974: 
                   2975:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   2976:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  2977:     if (defined($navmap)) {
                   2978:         my $res = $navmap->getResourceByUrl($map);
                   2979:         if ($res) {
                   2980: 	    my $func = 
                   2981: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   2982: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   2983: 	    if (@matches) {
                   2984: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   2985: 	    }
                   2986:         }
                   2987:         if ($message) {
                   2988: 	    return '<message type="warning">'.$message.'</message>';
                   2989:         }
                   2990:     } else {
                   2991:         $message = "Retrieval of information about ordering of resources failed."; 
                   2992:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 2993:     }
                   2994:     return;
                   2995: }
                   2996: 
1.131     bowersj2 2997: sub printHelper {
1.115     bowersj2 2998:     my $r = shift;
                   2999: 
                   3000:     if ($r->header_only) {
1.373     albertel 3001:         if ($env{'browser.mathml'}) {
1.241     www      3002:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3003:         } else {
1.241     www      3004:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3005:         }
                   3006:         $r->send_http_header;
                   3007:         return OK;
1.115     bowersj2 3008:     }
                   3009: 
1.131     bowersj2 3010:     # Send header, nocache
1.373     albertel 3011:     if ($env{'browser.mathml'}) {
1.241     www      3012:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3013:     } else {
1.241     www      3014:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3015:     }
                   3016:     &Apache::loncommon::no_cache($r);
                   3017:     $r->send_http_header;
                   3018:     $r->rflush();
                   3019: 
1.131     bowersj2 3020:     # Unfortunately, this helper is so complicated we have to
                   3021:     # write it by hand
                   3022: 
                   3023:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3024:     
1.176     bowersj2 3025:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3026:     $helper->declareVar('symb');
1.156     bowersj2 3027:     $helper->declareVar('postdata');    
1.290     sakharuk 3028:     $helper->declareVar('curseed'); 
                   3029:     $helper->declareVar('probstatus');   
1.156     bowersj2 3030:     $helper->declareVar('filename');
                   3031:     $helper->declareVar('construction');
1.178     sakharuk 3032:     $helper->declareVar('assignment');
1.262     sakharuk 3033:     $helper->declareVar('style_file');
1.340     foxr     3034:     $helper->declareVar('student_sort');
1.363     foxr     3035:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3036:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3037:     $helper->declareVar("showallfoils");
1.483     foxr     3038:     $helper->declareVar("STUDENTS");
1.363     foxr     3039: 
1.518     foxr     3040: 
                   3041:    
                   3042: 
                   3043: 
1.363     foxr     3044:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     3045:     # But we only do this in the initial state so that they are allowed to change.
                   3046:     #
1.366     foxr     3047: 
1.416     foxr     3048:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     3049:     
                   3050:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3051: 						{'pagebreaks'  => 'scalar',
                   3052: 					         'lastprinttype' => 'scalar'});
                   3053:     
1.483     foxr     3054:     # This will persistently load in the data we want from the
                   3055:     # very first screen.
1.394     foxr     3056:     
                   3057:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3058: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3059: 	    
                   3060: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3061: 	} else {
                   3062: 	    my $state = $env{"form.CURRENT_STATE"};
                   3063: 	    if ($state eq "START") {
                   3064: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3065: 	    }
                   3066: 	}
                   3067: 	
1.366     foxr     3068:     }
1.481     albertel 3069: 
1.156     bowersj2 3070:     # Detect whether we're coming from construction space
1.373     albertel 3071:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3072:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3073:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3074:     } else {
1.373     albertel 3075:         if ($env{'form.postdata'}) {
                   3076:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3077: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3078: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3079: 	    }
1.156     bowersj2 3080:         }
1.373     albertel 3081:         if ($env{'form.symb'}) {
                   3082:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3083:         }
1.373     albertel 3084:         if ($env{'form.url'}) {
1.156     bowersj2 3085:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3086:         }
1.416     foxr     3087: 
1.157     bowersj2 3088:     }
1.481     albertel 3089: 
1.373     albertel 3090:     if ($env{'form.symb'}) {
                   3091:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3092:     }
1.373     albertel 3093:     if ($env{'form.url'}) {
1.140     sakharuk 3094:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3095: 
1.140     sakharuk 3096:     }
1.343     albertel 3097:     $helper->{VARS}->{'symb'}=
                   3098: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3099:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3100:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3101: 
1.156     bowersj2 3102:     
1.146     bowersj2 3103:     # Extract map
                   3104:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3105:     my ($map, $id, $url);
                   3106:     my $subdir;
1.483     foxr     3107:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3108: 
                   3109:     # Get the resource name from construction space
                   3110:     if ($helper->{VARS}->{'construction'}) {
                   3111:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3112:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3113:         $subdir = substr($helper->{VARS}->{'filename'},
                   3114:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3115:     } else {
1.562     foxr     3116: 	# From course space:
                   3117: 
1.482     albertel 3118: 	if ($symb ne '') {
                   3119: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3120: 	    $helper->{VARS}->{'postdata'} = 
                   3121: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3122: 	} else {
                   3123: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3124: 	    $is_published=1;	# From resource space.
1.482     albertel 3125: 	}
                   3126: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3127:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3128:             my $postdata = $helper->{VARS}->{'postdata'};
                   3129:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3130:         }
                   3131:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3132:     }
1.373     albertel 3133:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3134: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3135:     }
1.373     albertel 3136:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3137: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3138:     }
1.115     bowersj2 3139: 
1.192     bowersj2 3140:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3141: 
1.481     albertel 3142:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3143: 
1.131     bowersj2 3144:     # "Delete everything after the last slash."
1.119     bowersj2 3145:     $subdir =~ s|/[^/]+$||;
                   3146: 
1.131     bowersj2 3147:     # What can be printed is a very dynamic decision based on
                   3148:     # lots of factors. So we need to dynamically build this list.
                   3149:     # To prevent security leaks, states are only added to the wizard
                   3150:     # if they can be reached, which ensures manipulating the form input
                   3151:     # won't allow anyone to reach states they shouldn't have permission
                   3152:     # to reach.
                   3153: 
                   3154:     # printChoices is tracking the kind of printing the user can
                   3155:     # do, and will be used in a choices construction later.
                   3156:     # In the meantime we will be adding states and elements to
                   3157:     # the helper by hand.
                   3158:     my $printChoices = [];
                   3159:     my $paramHash;
1.130     sakharuk 3160: 
1.240     albertel 3161:     if ($resourceTitle) {
1.458     www      3162:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3163:     }
                   3164: 
1.238     bowersj2 3165:     # Useful filter strings
1.540     raeburn  3166:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3167:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3168:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3169:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3170:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3171:     my $isMap = '$res->is_map()';
1.342     albertel 3172:     my $symbFilter = '$res->shown_symb()';
                   3173:     my $urlValue = '$res->link()';
1.238     bowersj2 3174: 
                   3175:     $helper->declareVar('SEQUENCE');
                   3176: 
1.465     albertel 3177:     # If we're in a sequence...
1.416     foxr     3178: 
1.465     albertel 3179:     my $start_new_option;
                   3180:     if ($perm{'pav'}) {
                   3181: 	$start_new_option = 
                   3182: 	    "<option text='".&mt('Start new page<br />before selected').
                   3183: 	    "' variable='FINISHPAGE' />";
                   3184:     }
1.238     bowersj2 3185: 
1.562     foxr     3186:     # If not construction space user can print the components of a page:
                   3187: 
                   3188:     my $page_ispage;
                   3189:     my $page_title;
                   3190:     if (!$helper->{VARS}->{'construction'}) {
                   3191: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3192: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3193: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3194: 	if (defined($page_navmap)) {
                   3195: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3196: 	    if(defined($page_resources[0])) {
                   3197: 		$page_ispage       = $page_resources[0]->is_page();
                   3198: 		$page_title     = $page_resources[0]->title();
                   3199: 		my $resourcesymb   = $page_resources[0]->symb();
                   3200: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3201: 		if ($page_ispage) {
                   3202: 		    push @{$printChoices}, 
                   3203: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3204: 		     'map_problems_in_page', 
                   3205: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3206: 		    push @{$printChoices}, 
                   3207: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3208: 		     'map_resources_in_page', 
                   3209: 		     'CHOOSE_RESOURCES_PAGE'];
                   3210: 		}
1.562     foxr     3211:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3212: 							'Select Problem(s) to print',
                   3213: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3214: 							'RESOURCES',
                   3215: 							'PAGESIZE',
                   3216: 							$url,
                   3217: 							$isProblem, '',  $symbFilter,
                   3218: 							$start_new_option);
                   3219: 
                   3220: 
                   3221:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3222: 						    'Select Resource(s) to print',
                   3223: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3224: 						    'RESOURCES',
                   3225: 						    'PAGESIZE',
                   3226: 						    $url,
                   3227: 						    $isNotMap, '', $symbFilter,
                   3228: 						    $start_new_option);
                   3229: 
                   3230: 						    
                   3231: 
                   3232: 
                   3233: 
                   3234: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3235: 	
1.563     foxr     3236: 	    }
                   3237: 	}
1.562     foxr     3238:     }
                   3239: 
                   3240:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3241: 	$helper->{VARS}->{'postdata'} &&
                   3242: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3243:         # Allow problems from sequence
1.562     foxr     3244:         push @{$printChoices}, 
                   3245: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3246: 	     'map_problems', 
                   3247: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3248:         # Allow all resources from sequence
1.562     foxr     3249:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3250: 				'map_problems_pages', 
                   3251: 				'CHOOSE_PROBLEMS_HTML'];
                   3252:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3253: 							'Select Problem(s) to print',
                   3254: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3255: 							'RESOURCES',
                   3256: 							'PAGESIZE',
                   3257: 							$map,
                   3258: 							$isProblem, '',
                   3259: 							$symbFilter,
                   3260: 							$start_new_option);
                   3261: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3262: 						      'Select Resource(s) to print',
                   3263: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3264: 						      'RESOURCES',
                   3265: 						      'PAGESIZE',
                   3266: 						      $map,
                   3267: 						      $isNotMap, '',
                   3268: 						      $symbFilter,
                   3269: 						      $start_new_option);
1.121     bowersj2 3270: 
1.326     sakharuk 3271: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3272:     }
                   3273: 
1.546     bisitz   3274:     # If the user has pfo (print for others) allow them to print all 
                   3275:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3276:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3277:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3278:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3279: 
1.509     albertel 3280:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3281: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3282: 	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     3283: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3284:   <state name="STUDENTS1" title="Select People">
                   3285:       <message><b>Select sorting order of printout</b> </message>
                   3286:     <choices variable='student_sort'>
                   3287:       <choice computer='0'>Sort by section then student</choice>
                   3288:       <choice computer='1'>Sort by students across sections.</choice>
                   3289:     </choices>
                   3290:       <message><br /><hr /><br /> </message>
                   3291:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3292:   </state>
1.284     albertel 3293: ALL_PROBLEMS
1.562     foxr     3294:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3295: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3296: 							      'SelectProblem(s) to print',
                   3297: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3298: 							      'RESOURCES',
                   3299: 							      'PAGESIZE',
                   3300: 							      '',
                   3301: 							      $isProblemOrMap, $isNotMap,
                   3302: 							      $symbFilter,
                   3303: 							      $start_new_option) .
                   3304: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3305: 							      'Select Resource(s) to print',
                   3306: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3307: 							      'RESOURCES',
                   3308: 							      'PAGESIZE',
                   3309: 							      '',
                   3310: 							      $isNotMap,'',$symbFilter,
                   3311: 							      $start_new_option) .
                   3312: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3313: 							      'Select Problem(s) to print',
                   3314: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3315: 							      'RESOURCES',
                   3316: 							      'STUDENTS1',
                   3317: 							      '',
                   3318: 							      $isProblemOrMap,'' , $symbFilter,
                   3319: 							      $start_new_option) .
                   3320: 				     $suffixXml
                   3321: 				   );
1.132     bowersj2 3322: 
1.284     albertel 3323: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3324: 
                   3325: 	    # If we were looking at a page, allow a selection of problems from the page
                   3326: 	    # either for selected students or for coded assignments.
                   3327: 
                   3328: 	    if ($page_ispage) {
                   3329: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3330: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3331: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3332: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3333: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3334: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3335: 	    }
                   3336: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3337: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3338: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3339: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3340: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3341: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3342: 	}
1.424     foxr     3343: 
1.507     albertel 3344: 	my $randomly_ordered_warning = 
                   3345: 	    &get_randomly_ordered_warning($helper,$map);
                   3346: 
1.424     foxr     3347: 	# resource_selector will hold a few states that:
                   3348: 	#   - Allow resources to be selected for printing.
                   3349: 	#   - Determine pagination between assignments.
                   3350: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3351:         # TODO:
                   3352: 	#    Probably good to do things like separate this up into several vars, each
                   3353: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3354: 	#    and next states for better mix and match capability
                   3355: 	#
1.562     foxr     3356: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3357: 							  'Select resources to print',
                   3358: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3359: 							  'RESOURCES', 
                   3360: 							  'PRINT_FORMATTING',
1.568.2.1  raeburn  3361: 							  $map,
1.562     foxr     3362: 							  $isProblem, '', $symbFilter,
                   3363: 							  $start_new_option);
                   3364: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3365:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3366:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3367:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3368:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3369:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3370:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3371:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3372:     </choices>
1.424     foxr     3373:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3374:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3375:     <choices variable="SPLIT_PDFS">
                   3376:        <choice computer="all">All assignments in a single PDF file</choice>
                   3377:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3378:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3379:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3380:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3381:     </choices>
1.424     foxr     3382:     </state>
1.284     albertel 3383: RESOURCE_SELECTOR
1.562     foxr     3384:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3385: 							'Select Problem(s) to print',
                   3386: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3387: 							'RESOURCES',
                   3388: 							'PRINT_FORMATTING',
                   3389: 							$url,
                   3390: 							$isProblem, '',  $symbFilter,
                   3391: 							$start_new_option);
                   3392: 
                   3393: 
                   3394: # Generate student choosers.
                   3395: 
                   3396: 
1.284     albertel 3397: 
1.562     foxr     3398:         &Apache::lonxml::xmlparse($r, 'helper',
                   3399: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3400: 							    'student_sort',
                   3401: 							    'STUDENTS',
                   3402: 							    'CHOOSE_STUDENTS_PAGE'));
                   3403: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3404: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3405: 							    'student_sort',
                   3406: 							    'STUDENTS',
                   3407: 							    'SELECT_PROBLEMS'));
                   3408: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3409: 
1.373     albertel 3410: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3411: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3412:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3413: 	my $namechoice='<choice></choice>';
1.337     albertel 3414: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3415: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3416: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3417: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3418: 	}
1.389     foxr     3419: 
                   3420: 
                   3421: 	my %code_values;
1.405     albertel 3422: 	my %codes_to_print;
1.411     albertel 3423: 	foreach my $key (@names) {
1.389     foxr     3424: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3425: 	    foreach my $key (keys(%code_values)) {
                   3426: 		$codes_to_print{$key} = 1;
1.388     foxr     3427: 	    }
                   3428: 	}
1.389     foxr     3429: 
1.452     albertel 3430: 	my $code_selection;
1.405     albertel 3431: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3432: 	    my $choice  = $code;
                   3433: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3434: 		$choice = &letters_to_num($code);
                   3435: 	    }
1.432     albertel 3436: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3437: 	}
1.436     albertel 3438: 	if (%codes_to_print) {
                   3439: 	    $code_selection .='   
1.472     albertel 3440: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3441: 		<message></td><td></message>
1.452     albertel 3442: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3443:                   <choice></choice>
1.448     albertel 3444:                   <exec>
                   3445:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3446:                   </exec>
1.452     albertel 3447: 		</dropdown>
1.468     foxr     3448: 	    <message></td></tr><tr><td></message>
1.436     albertel 3449:             '.$/;
1.448     albertel 3450: 
1.436     albertel 3451: 	}
1.432     albertel 3452: 
1.542     raeburn  3453:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3454: 	my $codechoice='';
1.542     raeburn  3455: 	foreach my $line (@lines) {
1.381     albertel 3456: 	    my ($name,$description,$code_type,$code_length)=
                   3457: 		(split(/:/,$line))[0,1,2,4];
                   3458: 	    if ($code_length > 0 && 
                   3459: 		$code_type =~/^(letter|number|-1)/) {
                   3460: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3461: 	    }
                   3462: 	}
                   3463: 	if ($codechoice eq '') {
                   3464: 	    $codechoice='<choice computer="default">Default</choice>';
                   3465: 	}
1.562     foxr     3466: 	my $anon1 = &generate_code_selector($helper, 
                   3467: 					    'CHOOSE_ANON1',
                   3468: 					    'SELECT_PROBLEMS',
                   3469: 					    $codechoice,
                   3470: 					    $code_selection,
                   3471: 					    $namechoice) . $resource_selector;
                   3472: 					    
                   3473: 					    
                   3474:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3475: 
                   3476: 	my $anon_page = &generate_code_selector($helper,
                   3477: 						'CHOOSE_ANON1_PAGE',
                   3478: 						'SELECT_PROBLEMS_PAGE',
                   3479: 						$codechoice,
                   3480: 						$code_selection,
                   3481: 						$namechoice) .
                   3482: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3483: 						   'Select Problem(s) to print',
                   3484: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3485: 						   'RESOURCES',
                   3486: 						   'PRINT_FORMATTING',
                   3487: 						   $url,
                   3488: 						   $isProblem, '',  $symbFilter,
                   3489: 						   $start_new_option);
                   3490: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3491: 
1.272     sakharuk 3492: 
1.254     sakharuk 3493: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3494: 	    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'];
                   3495: 	    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 3496: 	}
1.284     albertel 3497: 	    
                   3498: 
                   3499: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3500:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3501:     $randomly_ordered_warning
1.424     foxr     3502:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3503:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3504:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3505:               closeallpages="1">
1.254     sakharuk 3506:       <filterfunc>return $isNotMap;</filterfunc>
                   3507:       <mapurl>$map</mapurl>
                   3508:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3509:       $start_new_option
1.254     sakharuk 3510:       </resource>
1.424     foxr     3511:     </state>
1.562     foxr     3512: 
1.424     foxr     3513:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3514:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3515:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3516:     <choices variable="EMPTY_PAGES">
                   3517:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3518:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3519:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3520:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3521:     </choices>
1.424     foxr     3522:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3523:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3524:     <choices variable="SPLIT_PDFS">
                   3525:        <choice computer="all">All assignments in a single PDF file</choice>
                   3526:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3527:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3528:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3529:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3530:     </choices>
1.424     foxr     3531:     </state>
1.284     albertel 3532: RESOURCE_SELECTOR
                   3533: 
                   3534: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3535:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3536:     <choices variable='student_sort'>
                   3537:       <choice computer='0'>Sort by section then student</choice>
                   3538:       <choice computer='1'>Sort by students across sections.</choice>
                   3539:     </choices>
1.437     foxr     3540:     <message><br /><hr /><br /></message>
1.426     foxr     3541:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3542: 
1.424     foxr     3543:     </state>
1.284     albertel 3544:     $resource_selector
1.254     sakharuk 3545: CHOOSE_STUDENTS1
                   3546: 
1.284     albertel 3547: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3548:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3549:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3550:     <message><h4>Fill out one of the forms below</h4></message>
                   3551:     <message><br /><hr /> <br /></message>
                   3552:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3553:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3554:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3555:        <validator>
                   3556: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3557: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3558: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3559: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3560: 	    return "You need to specify the number of assignments to print";
                   3561: 	}
                   3562: 	return undef;
                   3563:        </validator>
                   3564:     </string>
                   3565:     <message></td></tr><tr><td></message>
1.501     albertel 3566:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3567:     <message></td><td></message>
                   3568:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3569:     <message></td></tr><tr><td></message>
                   3570:     <message><b>Bubble sheet type:</b></message>
                   3571:     <message></td><td></message>
                   3572:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3573:     $codechoice
                   3574:     </dropdown>
1.472     albertel 3575:     <message></td></tr><tr><td></table></message>
                   3576:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3577:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3578:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3579:         <validator>
                   3580: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3581: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3582: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3583: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3584: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3585: 	   } else {
                   3586: 	       return undef;	# Other forces control us.
                   3587: 	   }
                   3588:         </validator>
                   3589:     </string>
1.472     albertel 3590:     <message></td></tr><tr><td></message>
1.432     albertel 3591:         $code_selection
1.472     albertel 3592:     <message></td></tr></table></message>
                   3593:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3594:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3595:     <message></td><td></message>
1.294     albertel 3596:     <dropdown variable="REUSE_OLD_CODES">
                   3597:         $namechoice
                   3598:     </dropdown>
1.412     albertel 3599:     <message></td></tr></table></message>
1.424     foxr     3600:   </state>
1.284     albertel 3601:     $resource_selector
                   3602: CHOOSE_ANON2
1.481     albertel 3603:     }
                   3604: 
1.121     bowersj2 3605:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3606:     if (($perm{'pav'} 
1.482     albertel 3607: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3608: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3609: 	    ||
                   3610: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3611: 	     && 
                   3612: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3613: 	    )) 
                   3614: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3615: 	) {
                   3616: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3617:         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 3618:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3619:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3620: 
1.138     bowersj2 3621:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3622:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3623:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3624: CHOOSE_FROM_SUBDIR
                   3625:         
1.238     bowersj2 3626:         # this is broken up because I really want interpolation above,
                   3627:         # and I really DON'T want it below
1.139     bowersj2 3628:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3629:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3630: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3631:       </filefilter>
1.138     bowersj2 3632:       </files>
1.131     bowersj2 3633:     </state>
                   3634: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3635:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3636:     }
1.238     bowersj2 3637: 
                   3638:     # Allow the user to select any sequence in the course, feed it to
                   3639:     # another resource selector for that sequence
1.483     foxr     3640:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3641: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3642: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3643: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3644: 	#Escape apostrophes and backslashes for Perl
                   3645: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3646: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3647: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3648:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3649:     <message>Select the sequence to print resources from:</message>
                   3650:     <resource variable="SEQUENCE">
                   3651:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3652:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3653:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3654:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3655: 	</choicefunc>
1.238     bowersj2 3656:       </resource>
                   3657:     </state>
                   3658:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3659:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3660:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3661:               closeallpages="1">
1.238     bowersj2 3662:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3663:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3664:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3665:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3666:       $start_new_option
1.238     bowersj2 3667:       </resource>
                   3668:     </state>
                   3669: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3670: }
1.481     albertel 3671: 
1.131     bowersj2 3672:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3673:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3674:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3675:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3676:     Apache::lonhelper::message->new();
                   3677:     $paramHash = Apache::lonhelper::getParamHash();
                   3678:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3679:     $paramHash->{CHOICES} = $printChoices;
                   3680:     Apache::lonhelper::choices->new();
1.161     bowersj2 3681: 
1.223     bowersj2 3682:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3683:                           # to close it later)
                   3684: 
1.397     albertel 3685:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3686: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3687: 	&addMessage('<br />'
                   3688:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3689:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3690:                    .&Apache::lonhtmlcommon::row_title(
                   3691:                        '<label for="ANSWER_TYPE_forminput">'
                   3692:                       .&mt('Print Answers')
                   3693:                       .'</label>'
                   3694:                     )
                   3695:         );
1.161     bowersj2 3696:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3697: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3698: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3699:         $paramHash->{CHOICES} = [
1.242     sakharuk 3700:                                    ['Without Answers', 'yes'],
                   3701:                                    ['With Answers', 'no'],
1.368     albertel 3702:                                    ['Only Answers', 'only']
1.289     sakharuk 3703:                                 ];
1.210     sakharuk 3704:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3705: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3706: 	$startedTable = 1;
1.556     foxr     3707: 
                   3708: #
                   3709: #  Select font size.
                   3710: #
                   3711: 
                   3712:             $helper->declareVar('fontsize');
                   3713:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3714:             my $xmlfrag = << "FONT_SELECTION";
                   3715: 
                   3716:           
                   3717:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3718:             <defaultvalue>
                   3719: 		  return 'normalsize';
                   3720:             </defaultvalue>
                   3721:             <choice computer='tiny'>Tiny</choice>
                   3722:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3723:             <choice computer='footnotesize'>Footnote Size</choice>
                   3724:             <choice computer='small'>Small</choice>
                   3725:             <choice computer='normalsize'>Normal (default)</choice>
                   3726:             <choice computer='large'>larger than normal</choice>
                   3727:             <choice computer='Large'>Even larger than normal</choice>
                   3728:             <choice computer='LARGE'>Still larger than normal</choice>
                   3729:             <choice computer='huge'>huge font size</choice>
                   3730:             <choice computer='Huge'>Largest possible size</choice>
                   3731:             </dropdown>
                   3732: FONT_SELECTION
                   3733:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3734:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3735:     }
1.209     sakharuk 3736: 
1.397     albertel 3737:     if ($perm{'pav'}) {
1.223     bowersj2 3738: 	if (!$startedTable) {
1.497     www      3739: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3740:                        '<label for="LATEX_TYPE_forminput">'.
                   3741:                        &mt('LaTeX mode').
                   3742:                        "</label>: </td><td>");
1.223     bowersj2 3743: 	    $startedTable = 1;
                   3744: 	} else {
1.544     bisitz   3745: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3746:                            '<label for="LATEX_TYPE_forminput">'
                   3747:                            .&mt('LaTeX mode')
                   3748:                            .'</label>'
                   3749:                         )
                   3750:             );
1.223     bowersj2 3751: 	}
1.203     sakharuk 3752:         $paramHash = Apache::lonhelper::getParamHash();
                   3753: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3754: 	$helper->declareVar('LATEX_TYPE');  
                   3755: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3756: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3757: 				     ['standard LaTeX mode', 'standard'], 
                   3758: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3759: 	} else {
                   3760: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3761: 				     ['LaTeX batchmode', 'batchmode'],
                   3762: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3763: 	}
1.210     sakharuk 3764:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3765:  
1.544     bisitz   3766: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3767:                    .&Apache::lonhtmlcommon::row_title(
                   3768:                         '<label for="TABLE_CONTENTS_forminput">'
                   3769:                        .&mt('Print Table of Contents')
                   3770:                        .'</label>'
                   3771:                     )
                   3772:         );
1.209     sakharuk 3773:         $paramHash = Apache::lonhelper::getParamHash();
                   3774: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3775: 	$helper->declareVar('TABLE_CONTENTS');         
                   3776:         $paramHash->{CHOICES} = [
1.223     bowersj2 3777:                                    ['No', 'no'],
                   3778:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3779:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3780: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3781:         
1.220     sakharuk 3782: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3783: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3784:                             '<label for="TABLE_INDEX_forminput">'
                   3785:                            .&mt('Print Index')
                   3786:                            .'</label>'
                   3787:                         )
                   3788:             );
1.220     sakharuk 3789: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3790: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3791: 	    $helper->declareVar('TABLE_INDEX');         
                   3792: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3793: 				     ['No', 'no'],
                   3794: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3795: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3796:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3797:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3798:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3799:                            .&mt('Print Discussions')
                   3800:                            .'</label>'
                   3801:                         )
                   3802:             );
1.309     sakharuk 3803: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3804: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3805: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3806: 	    $paramHash->{CHOICES} = [
                   3807: 				     ['No', 'no'],
                   3808: 				     ['Yes', 'yes'] ];
                   3809: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3810:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3811: 
1.511     foxr     3812: 	    # Prompt for printing annotations too.
                   3813: 		
1.545     bisitz   3814: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3815:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3816:                            .&mt('Print Annotations')
                   3817:                            .'</label>'
                   3818:                         )
                   3819:             );
1.511     foxr     3820: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3821: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3822: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3823: 	    $paramHash->{CHOICES} = [
                   3824: 				     ['No', 'no'],
                   3825: 				     ['Yes', 'yes']];
                   3826: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3827:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3828: 
1.545     bisitz   3829:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3830: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3831: 	    $paramHash->{'multichoice'} = "true";
                   3832: 	    $paramHash->{'allowempty'}  = "true";
                   3833: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   3834: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 3835: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3836:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3837: 	}
1.219     sakharuk 3838: 
1.230     albertel 3839: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3840: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3841:             my $randseedtext=&mt("Use random seed");
                   3842:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3843:             my $selectfiletext=&mt("Select style file");
1.497     www      3844: 
1.544     bisitz   3845: 	    my $xmlfrag .= '<message>'
                   3846:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3847:                                               .$randseedtext
                   3848:                                               .'</label>'
                   3849:              )
                   3850:             .'</message>
                   3851:             <string variable="curseed" size="15" maxlength="15">
                   3852:                 <defaultvalue>
                   3853:                    return '.$helper->{VARS}->{'curseed'}.';
                   3854:                 </defaultvalue>'
                   3855:             .'</string>'
                   3856:             .'<message>'
                   3857:             .&Apache::lonhtmlcommon::row_closure()
                   3858:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3859:                                               .$stylefiletext
                   3860:                                               .'</label>'
                   3861:              )
                   3862:             .'</message>
1.504     albertel 3863:              <string variable="style_file" size="40">
1.544     bisitz   3864:                 <defaultvalue>
                   3865:                     return '.$stylevalue.';
                   3866:                 </defaultvalue>
                   3867:              </string><message>&nbsp;'
                   3868: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   3869: .$selectfiletext.'</a>'
                   3870:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   3871:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   3872:             .'</message>
1.371     foxr     3873: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   3874:                 <choice computer="1">&nbsp;</choice>
                   3875:              </choices>'
                   3876: 	    .'<message>'
                   3877:             .&Apache::lonhtmlcommon::row_closure()
                   3878:             .'</message>';
1.230     albertel 3879:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3880: 
                   3881: 
1.544     bisitz   3882:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     3883: 	    #
                   3884: 	    # Initial value from construction space:
                   3885: 	    #
                   3886: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   3887: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   3888: 	    }
1.518     foxr     3889: 	    $xmlfrag = << "PROBTYPE";
                   3890: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   3891: 		   <defaultvalue>
                   3892: 		      return "$helper->{VARS}->{'probstatus'}";
                   3893:                    </defaultvalue>
                   3894: 		   <choice computer="problem">Homework Problem</choice>
                   3895: 		   <choice computer="exam">Exam Problem</choice>
                   3896: 		   <choice computer="survey">Survey question</choice>
                   3897: 		</dropdown>
                   3898: PROBTYPE
                   3899:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   3900:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     3901: 
1.556     foxr     3902: 
                   3903: 
1.544     bisitz   3904:         }
1.223     bowersj2 3905:     }
1.264     sakharuk 3906: 
                   3907: 
                   3908: 
1.218     sakharuk 3909: 
1.223     bowersj2 3910:     if ($startedTable) {
1.544     bisitz   3911:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 3912:     }
1.161     bowersj2 3913: 
1.131     bowersj2 3914:     Apache::lonprintout::page_format_state->new("FORMAT");
                   3915: 
1.144     bowersj2 3916:     # Generate the PAGESIZE state which will offer the user the margin
                   3917:     # choices if they select one column
                   3918:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   3919:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   3920: 
                   3921: 
1.131     bowersj2 3922:     $helper->process();
                   3923: 
1.416     foxr     3924: 
1.131     bowersj2 3925:     # MANUAL BAILOUT CONDITION:
                   3926:     # If we're in the "final" state, bailout and return to handler
                   3927:     if ($helper->{STATE} eq 'FINAL') {
                   3928:         return $helper;
                   3929:     }    
1.130     sakharuk 3930: 
1.131     bowersj2 3931:     $r->print($helper->display());
1.395     www      3932:     if ($helper->{STATE} eq 'START') {
                   3933: 	&recently_generated($r);
                   3934:     }
1.333     albertel 3935:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 3936: 
                   3937:     return OK;
                   3938: }
                   3939: 
1.1       www      3940: 
                   3941: 1;
1.119     bowersj2 3942: 
                   3943: package Apache::lonprintout::page_format_state;
                   3944: 
                   3945: =pod
                   3946: 
1.131     bowersj2 3947: =head1 Helper element: page_format_state
                   3948: 
                   3949: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 3950: 
1.131     bowersj2 3951: Apache::lonprintout::page_format_state is an element that gives the 
                   3952: user an opportunity to select the page layout they wish to print 
                   3953: with: Number of columns, portrait/landscape, and paper size. If you 
                   3954: want to change the paper size choices, change the @paperSize array 
                   3955: contents in this package.
1.119     bowersj2 3956: 
1.131     bowersj2 3957: page_format_state is always directly invoked in lonprintout.pm, so there
                   3958: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 3959: 
                   3960: =over 4
                   3961: 
1.131     bowersj2 3962: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 3963: 
                   3964: =back
                   3965: 
                   3966: =cut
                   3967: 
1.131     bowersj2 3968: use Apache::lonhelper;
1.119     bowersj2 3969: 
                   3970: no strict;
1.131     bowersj2 3971: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 3972: use strict;
1.266     sakharuk 3973: use Apache::lonlocal;
1.373     albertel 3974: use Apache::lonnet;
1.119     bowersj2 3975: 
                   3976: my $maxColumns = 2;
1.376     albertel 3977: # it'd be nice if these all worked
                   3978: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   3979: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   3980: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   3981: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 3982: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 3983: 		 "a4 [210x297 mm]");
1.119     bowersj2 3984: 
                   3985: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   3986: #                   Paper type
                   3987: 
                   3988: sub new { 
1.131     bowersj2 3989:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 3990: 
1.135     bowersj2 3991:     shift;
                   3992: 
1.131     bowersj2 3993:     $self->{'variable'} = shift;
1.134     bowersj2 3994:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 3995:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 3996:     bless($self);
1.119     bowersj2 3997:     return $self;
                   3998: }
                   3999: 
                   4000: sub render {
                   4001:     my $self = shift;
1.131     bowersj2 4002:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4003:     my $result = '';
1.131     bowersj2 4004:     my $var = $self->{'variable'};
1.266     sakharuk 4005:     my $PageLayout=&mt('Page layout');
                   4006:     my $NumberOfColumns=&mt('Number of columns');
                   4007:     my $PaperType=&mt('Paper type');
1.506     albertel 4008:     my $landscape=&mt('Landscape');
                   4009:     my $portrait=&mt('Portrait');
1.556     foxr     4010:     
                   4011: 
1.544     bisitz   4012:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4013:             .&Apache::loncommon::start_data_table()
                   4014:             .&Apache::loncommon::start_data_table_header_row()
                   4015:             .'<th>'.$PageLayout.'</th>'
                   4016:             .'<th>'.$NumberOfColumns.'</th>'
                   4017:             .'<th>'.$PaperType.'</th>'
                   4018:             .&Apache::loncommon::end_data_table_header_row()
                   4019:             .&Apache::loncommon::start_data_table_row()
                   4020:     .'<td>'
                   4021:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4022:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4023:     .'</td>';
1.119     bowersj2 4024: 
1.544     bisitz   4025:     $result.='<td align="center">'
                   4026:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4027: 
                   4028:     my $i;
                   4029:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4030:         if ($i == 2) {
1.553     bisitz   4031:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4032:         } else {
1.553     bisitz   4033:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4034:         }
                   4035:     }
                   4036: 
                   4037:     $result .= "</select></td><td>\n";
                   4038:     $result .= "<select name='${var}.paper'>\n";
                   4039: 
1.373     albertel 4040:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4041:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4042:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4043:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4044:     $i = 0;
                   4045:     foreach (@paperSize) {
1.326     sakharuk 4046: 	$_=~/(\w+)/;
                   4047: 	my $papersize=$1;
1.304     sakharuk 4048:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4049:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4050:         } else {
1.553     bisitz   4051:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4052:         }
                   4053:         $i++;
                   4054:     }
1.539     onken    4055:     $result .= <<HTML;
                   4056:         </select>
1.568.2.2  raeburn  4057:         <hidden name="${var}.pdfFormFields" value="no" />
1.539     onken    4058:     </td>
                   4059: HTML
1.544     bisitz   4060:     $result.=&Apache::loncommon::end_data_table_row()
                   4061:             .&Apache::loncommon::end_data_table();
1.539     onken    4062: 
1.119     bowersj2 4063:     return $result;
1.135     bowersj2 4064: }
                   4065: 
                   4066: sub postprocess {
                   4067:     my $self = shift;
                   4068: 
                   4069:     my $var = $self->{'variable'};
1.136     bowersj2 4070:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4071:     $helper->{VARS}->{$var} = 
1.373     albertel 4072:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4073:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4074:     return 1;
1.119     bowersj2 4075: }
                   4076: 
                   4077: 1;
1.144     bowersj2 4078: 
                   4079: package Apache::lonprintout::page_size_state;
                   4080: 
                   4081: =pod
                   4082: 
                   4083: =head1 Helper element: page_size_state
                   4084: 
                   4085: See lonhelper.pm documentation for discussion of the helper framework.
                   4086: 
                   4087: Apache::lonprintout::page_size_state is an element that gives the 
                   4088: user the opportunity to further refine the page settings if they
                   4089: select a single-column page.
                   4090: 
                   4091: page_size_state is always directly invoked in lonprintout.pm, so there
                   4092: is no tag interface. You actually pass parameters to the constructor.
                   4093: 
                   4094: =over 4
                   4095: 
                   4096: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4097: 
                   4098: =back
                   4099: 
                   4100: =cut
                   4101: 
                   4102: use Apache::lonhelper;
1.373     albertel 4103: use Apache::lonnet;
1.144     bowersj2 4104: no strict;
                   4105: @ISA = ("Apache::lonhelper::element");
                   4106: use strict;
                   4107: 
                   4108: 
                   4109: 
                   4110: sub new { 
                   4111:     my $self = Apache::lonhelper::element->new();
                   4112: 
                   4113:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4114:            # package descriptor)... - Jeremy
                   4115: 
                   4116:     $self->{'variable'} = shift;
                   4117:     my $helper = Apache::lonhelper::getHelper();
                   4118:     $helper->declareVar($self->{'variable'});
                   4119: 
                   4120:     # The variable name of the format element, so we can look into 
                   4121:     # $helper->{VARS} to figure out whether the columns are one or two
                   4122:     $self->{'formatvar'} = shift;
                   4123: 
1.463     foxr     4124: 
1.144     bowersj2 4125:     $self->{NEXTSTATE} = shift;
                   4126:     bless($self);
1.467     foxr     4127: 
1.144     bowersj2 4128:     return $self;
                   4129: }
                   4130: 
                   4131: sub render {
                   4132:     my $self = shift;
                   4133:     my $helper = Apache::lonhelper::getHelper();
                   4134:     my $result = '';
                   4135:     my $var = $self->{'variable'};
                   4136: 
1.467     foxr     4137: 
                   4138: 
1.144     bowersj2 4139:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4140:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4141:     }
                   4142: 
1.438     foxr     4143:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4144: 
                   4145:     # Use format to get sensible defaults for the margins:
                   4146: 
                   4147: 
                   4148:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4149:     ($papersize)                      = split(/ /, $papersize);
                   4150: 
1.559     foxr     4151:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4152: 
                   4153: 
                   4154: 
1.464     albertel 4155:     my %size;
                   4156:     ($size{'width_and_units'},
                   4157:      $size{'height_and_units'},
                   4158:      $size{'margin_and_units'})=
                   4159: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4160:     
1.464     albertel 4161:     foreach my $dimension ('width','height','margin') {
                   4162: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4163: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4164:        	
                   4165: 	foreach my $unit ('cm','in') {
                   4166: 	    $size{$dimension.'_options'} .= '<option ';
                   4167: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4168: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4169: 	    }
                   4170: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4171: 	}
1.438     foxr     4172:     }
                   4173: 
1.470     foxr     4174:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4175: 
                   4176:     if ($size{'margin_unit'} eq 'in') {
                   4177: 	$size{'margin'} += 1;
                   4178:     }  else {
                   4179: 	$size{'margin'} += 2.54;
                   4180:     }
1.548     bisitz   4181:     my %lt = &Apache::lonlocal::texthash(
                   4182:         'format' => 'How should each column be formatted?',
                   4183:         'width'  => 'Width',
                   4184:         'height' => 'Height',
                   4185:         'margin' => 'Left Margin'
                   4186:     );
                   4187: 
                   4188:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4189:               .&Apache::lonhtmlcommon::start_pick_box()
                   4190:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4191:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4192:               .'<select name="'.$var.'.widthunit">'
                   4193:               .$size{'width_options'}
                   4194:               .'</select>'
                   4195:               .&Apache::lonhtmlcommon::row_closure()
                   4196:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4197:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4198:               .'<select name="'.$var.'.heightunit">'
                   4199:               .$size{'height_options'}
                   4200:               .'</select>'
                   4201:               .&Apache::lonhtmlcommon::row_closure()
                   4202:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4203:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4204:               .'<select name="'.$var.'.lmarginunit">'
                   4205:               .$size{'margin_options'}
                   4206:               .'</select>'
                   4207:               .&Apache::lonhtmlcommon::row_closure(1)
                   4208:               .&Apache::lonhtmlcommon::end_pick_box();
                   4209:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4210:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4211: 
                   4212:     return $result;
                   4213: }
                   4214: 
1.470     foxr     4215: 
1.144     bowersj2 4216: sub preprocess {
                   4217:     my $self = shift;
                   4218:     my $helper = Apache::lonhelper::getHelper();
                   4219: 
                   4220:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4221: 
                   4222:     #  If the user does not have 'pav' privilege, set default widths and
                   4223:     #  on to the next state right away.
                   4224:     #
                   4225:     if (!$perm{'pav'}) {
                   4226: 	my $var = $self->{'variable'};
                   4227: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4228: 	
                   4229: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4230: 	($papersize)                      = split(/ /, $papersize);
                   4231: 	
                   4232: 	
1.560     foxr     4233: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4234: 
1.467     foxr     4235: 	#  Figure out some good defaults for the print out and set them:
                   4236: 	
                   4237: 	my %size;
                   4238: 	($size{'width'},
                   4239: 	 $size{'height'},
                   4240: 	 $size{'lmargin'})=
                   4241: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4242: 	
                   4243: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4244: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4245: 	    	    
1.467     foxr     4246: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4247: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4248: 	    
                   4249: 	}
                   4250: 	
                   4251: 
                   4252: 	# Transition to the next state
                   4253: 
                   4254: 	$helper->changeState($self->{NEXTSTATE});
                   4255:     }
1.144     bowersj2 4256:    
                   4257:     return 1;
                   4258: }
                   4259: 
                   4260: sub postprocess {
                   4261:     my $self = shift;
                   4262: 
                   4263:     my $var = $self->{'variable'};
                   4264:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4265:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4266:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4267:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4268:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4269:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4270:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4271: 
                   4272:     my $error = '';
                   4273: 
                   4274:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4275:     # by an optional period, followed by digits, ending the string
                   4276: 
1.464     albertel 4277:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4278:         $error .= "Invalid width; please type only a number.<br />\n";
                   4279:     }
1.464     albertel 4280:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4281:         $error .= "Invalid height; please type only a number.<br />\n";
                   4282:     }
1.464     albertel 4283:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4284:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4285:     } else {
                   4286: 	# Adjust for LaTeX 1.0 inch margin:
                   4287: 
                   4288: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4289: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4290: 	} else {
                   4291: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4292: 	}
1.144     bowersj2 4293:     }
                   4294: 
                   4295:     if (!$error) {
                   4296:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4297:         return 1;
                   4298:     } else {
                   4299:         $self->{ERROR_MSG} = $error;
                   4300:         return 0;
                   4301:     }
                   4302: }
                   4303: 
                   4304: 
1.119     bowersj2 4305: 
1.1       www      4306: __END__
1.6       sakharuk 4307: 

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