Annotation of loncom/interface/lonprintout.pm, revision 1.568.2.3

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.568.2.3! foxr        5: # $Id: lonprintout.pm,v 1.568.2.2 2010/03/26 20:01:36 raeburn Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.511     foxr       48: 
1.491     albertel   49: use LONCAPA::map();
1.34      sakharuk   50: use POSIX qw(strftime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
                     79: #  Returns the text needd for a student chooser.
                     80: #  that text must still be parsed by the helper xml parser.
                     81: # Parameters:
                     82: #   this_state   - State name of the chooser.
                     83: #   sort_choice  - variable to hold the sorting choice.
                     84: #   variable     - Name of variable to hold students.
                     85: #   next_state   - State after chooser.
                     86: 
                     87: 
                     88: sub generate_student_chooser {
                     89:     my ($this_state, 
                     90: 	$sort_choice, 
                     91: 	$variable, 
                     92: 	$next_state) = @_;
                     93:     my $result = <<CHOOSE_STUDENTS;
                     94:   <state name="$this_state" title="Select Students and Resources">
                     95:       <message><b>Select sorting order of printout</b> </message>
                     96: 
                     97:     <choices variable="$sort_choice">
                     98:       <choice computer='0'>Sort by section then student</choice>
                     99:       <choice computer='1'>Sort by students across sections.</choice>
                    100:     </choices>
                    101: 
                    102:       <message><br /><hr /><br /> </message>
                    103:       <student multichoice='1' 
                    104:                variable="$variable" 
                    105:                nextstate="$next_state" 
                    106:                coursepersonnel="1" />
                    107:   </state>
                    108: 
                    109: CHOOSE_STUDENTS
                    110: 
                    111:   return $result;
                    112: }
                    113: 
                    114: # Generate the text needed for a resource chooser given the top level of
                    115: # the sequence/page
                    116: #
                    117: # Parameters:
                    118: #     this_state    - State name of the chooser.
                    119: #     prompt_text   - Text to use to prompt user.
                    120: #     resource_options - Resource tag options e.g.
                    121: #                        "multichoice='1', toponly='1', addstatus='1'"
                    122: #                     that control the selection and appearance of the
                    123: #                     resource selector.
                    124: #     variable      - Name of the variable to hold the choice
                    125: #     next_state    - Name of the next state the helper should transition
                    126: #                     to
                    127: #     top_url       - Top level URL within which to make the selector.
                    128: #                     If empty the top level sequence is shown.
                    129: #     filter        - How to filter the resources.
                    130: #     value_func    - <valuefunc> function.
                    131: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    132: #     start_new_option 
                    133: #                   - Fragment appended after valuefunc.
                    134: #
                    135: #
                    136: sub generate_resource_chooser {
                    137:     my ($this_state,
                    138: 	$prompt_text,
                    139: 	$resource_options,
                    140: 	$variable,
                    141: 	$next_state,
                    142: 	$top_url,
                    143: 	$filter,
                    144: 	$choice_func,
                    145: 	$value_func,
                    146: 	$start_new_option)  = @_;
                    147: 
                    148:     my $result = <<CHOOSE_RESOURCES;
                    149: <state name="$this_state" title="$prompt_text">
                    150:     <resource variable="$variable" $resource_options
                    151:               closeallpages="1">
                    152:       <nextstate>$next_state</nextstate>
                    153:       <filterfunc>return $filter;</filterfunc>
                    154: CHOOSE_RESOURCES
                    155:     if ($choice_func ne '') {
                    156: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    157:     }
                    158:     if ($top_url ne '') {
                    159: 	$result .=  "<mapurl>$top_url</mapurl>";
                    160:     }
                    161:     $result .= <<CHOOSE_RESOURCES;
                    162:       <valuefunc>return $value_func;</valuefunc>
                    163:       $start_new_option
                    164:       </resource>
                    165:     </state>
                    166: CHOOSE_RESOURCES
                    167: 
                    168:     return $result;
                    169: }
                    170: #
                    171: #   Generate the helper XML for a code choice helper dialog:
                    172: #
                    173: # Paramters:
                    174: #   $helper       - Reference to the helper.
                    175: #   $state        - Name of the state for the chooser.
                    176: #   $next_state   - Name fo the state to follow the chooser.
                    177: #   $bubble_types - Populates the bubble sheet type dropt down.
                    178: #   $code_selections - Provides set of code choices that have been used
                    179: #   $saved_codes  - Provides the list of saved codes.
                    180: #
                    181: # Returns;
                    182: #   The Xml of the code chooser.
                    183: #
                    184: sub generate_code_selector {
                    185:     my ($helper,
                    186: 	$state,
                    187: 	$next_state,
                    188: 	$bubble_types,
                    189: 	$code_selections,
                    190: 	$saved_codes) = @_;	# Unpack the parameters.
                    191: 
                    192:     my $result = <<CHOOSE_ANON1;
                    193:   <state name="$state" title="Specify CODEd Assignments">
                    194:     <nextstate>$next_state</nextstate>
                    195:     <message><h4>Fill out one of the forms below</h4></message>
                    196:     <message><br /><hr /> <br /></message>
                    197:     <message><h3>Generate new CODEd Assignments</h3></message>
                    198:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
                    199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                    200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                    204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    205: 	    return "You need to specify the number of assignments to print";
                    206: 	}
                    207: 	return undef;
                    208:        </validator>
                    209:     </string>
                    210:     <message></td></tr><tr><td></message>
                    211:     <message><b>Names to save the CODEs under for later:</b></message>
                    212:     <message></td><td></message>
                    213:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    214:     <message></td></tr><tr><td></message>
                    215:     <message><b>Bubble sheet type:</b></message>
                    216:     <message></td><td></message>
                    217:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    218:     $bubble_types
                    219:     </dropdown>
                    220:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    221:     <message></td></tr><tr><td></table></message>
                    222:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    223:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    224:     <string variable="SINGLE_CODE" size="10">
                    225:         <validator>
                    226: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    227: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    228: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    229: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    230: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                    231: 	   } else {
                    232: 	       return undef;	# Other forces control us.
                    233: 	   }
                    234:         </validator>
                    235:     </string>
                    236:     <message></td></tr><tr><td></message>
                    237:         $code_selections
                    238:     <message></td></tr></table></message>
                    239:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    240:     <message><b>Select saved CODEs:</b></message>
                    241:     <message></td><td></message>
                    242:     <dropdown variable="REUSE_OLD_CODES">
                    243:         $saved_codes
                    244:     </dropdown>
                    245:     <message></td></tr></table></message>
                    246:   </state>
                    247: CHOOSE_ANON1
                    248: 
                    249:    return $result;
                    250: }
                    251: 
                    252: #-----------------------------------------------------------------------
                    253: 
1.515     foxr      254: 
1.498     foxr      255: # Fetch the contents of a resource, uninterpreted.
                    256: # This is used here to fetch a latex file to be included
                    257: # verbatim into the printout<
                    258: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    259: #
                    260: # Parameters:
                    261: #   URL of the file
                    262: #
                    263: sub fetch_raw_resource {
                    264:     my ($url) = @_;
                    265: 
                    266:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      267:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      268: 
1.500     foxr      269:     if ($contents == -1) {
                    270: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      271:     }
1.500     foxr      272:     return $contents;
1.498     foxr      273: 
                    274:     
                    275: }
                    276: 
1.511     foxr      277: #  Fetch the annotations associated with a URL and 
                    278: #  put a centered 'annotations:' title.
                    279: #  This is all suppressed if the annotations are empty.
                    280: #
                    281: sub annotate {
                    282:     my ($symb) = @_;
                    283: 
1.559     foxr      284:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      285: 
                    286: 
                    287:     my $result = "";
                    288: 
                    289:     if (length($annotation_text) > 0) {
                    290: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    291: 	$result .= "\n";
                    292: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    293: 	$result .= "\n\n";
                    294:     }
                    295:     return $result;
                    296: }
                    297: 
1.556     foxr      298: #
                    299: #   Set a global document font size:
                    300: #   This is done by replacing \begin{document}
                    301: #   with \begin{document}{\some-font-directive
                    302: #   and \end{document} with
                    303: #   }\end{document
                    304: #
                    305: sub set_font_size {
                    306: 
                    307:     my ($text) = @_;
                    308: 
                    309:     $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    310:     $text =~ s/\\end{document}/}\\end{document}/;
                    311:     return $text;
                    312: 
                    313: 
                    314: }
                    315: 
1.550     foxr      316: # include_pdf - PDF files are included into the 
                    317: # output as follows:
                    318: #  - The PDF, if necessary, is replicated.
                    319: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    320: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    321: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    322: #
                    323: # Parameters:
                    324: #   pdf_uri   - URI of the PDF file to include.
                    325: #   
                    326: # Returns:
                    327: #  The LaTeX to include.
                    328: #
                    329: # Assumptions:
                    330: #    The uri is actually a PDF file
                    331: #    The postscript will have the includepsheader.ps included.
                    332: #
                    333: #
                    334: sub include_pdf {
                    335:     my ($pdf_uri) = @_;
                    336: 
                    337:     # Where is the file? If not local we'll need to repcopy it:'
                    338: 
                    339:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    340:     if (! -e $file) {
                    341: 	&Apache::lonnet::repcopy($file);
                    342: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    343:     }
                    344: 
                    345:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    346:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    347:     # need tob e converted for this print job:
                    348: 
                    349:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    350: 
                    351:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    352:     print FILE ("$file\n");
                    353:     close (FILE);
                    354: 
                    355:     # Construct the special to put out.  To do this we need to get the
                    356:     # resulting filename after conversion.  The file will have the same name
                    357:     # but will be in the user's spool directory with converted images.
                    358: 
                    359:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    360:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    361: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    362:     $base =~ s/ /\_/g;
                    363: 
                    364: 
1.551     foxr      365:     my $output = &print_latex_header();
1.550     foxr      366:     $output    .= '\special{ps: _begin_job_ ('
                    367: 	.$base.'.pdf.eps'.
                    368: 	')run _end_job_}';
                    369: 
                    370:     return $output;
                    371: 
                    372: 
                    373: }
                    374: 
1.515     foxr      375: 
                    376: #
1.559     foxr      377: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      378: #                      if the ssi call returns an error we'll retry it up to
                    379: #                      the number of times requested by the caller.
                    380: #                      If we still have a proble, no text is appended to the
                    381: #                      output and we set some global variables.
1.523     raeburn   382: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      383: #                      All of this is supposed to deal with the issues described
                    384: #                      in LonCAPA BZ 5631 see:
                    385: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    386: #                      by informing the user that this happened.
                    387: #
                    388: # Parameters:
                    389: #   resource   - The resource to include.  This is passed directly, without
                    390: #                interpretation to lonnet::ssi.
                    391: #   form       - The form hash parameters that guide the interpretation of the resource
                    392: #                
                    393: #   retries    - Number of retries allowed before giving up completely.
                    394: # Returns:
                    395: #   On success, returns the rendered resource identified by the resource parameter.
                    396: # Side Effects:
                    397: #   The following global variables can be set:
1.523     raeburn   398: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      399: #                               It is up to the caller to initialize this to false
                    400: #                               if desired.
1.523     raeburn   401: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      402: #                               of the resource that could not be rendered by the ssi
                    403: #                               call.
                    404: #    ssi_last_error           - The error string fetched from the ssi response
                    405: #                               in the event of an error.
                    406: #
                    407: sub ssi_with_retries {
                    408:     my ($resource, $retries, %form) = @_;
                    409: 
1.559     foxr      410:     my $target = $form{'grade_target'};
                    411:     my $aom    = $form{'answer_output_mode'};
                    412: 
                    413: 
1.515     foxr      414: 
1.516     foxr      415:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    416:     if (!$response->is_success) {
1.515     foxr      417: 	$ssi_error               = 1;
                    418: 	$ssi_last_error_resource = $resource;
1.516     foxr      419: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   420:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      421: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      422:     }
1.516     foxr      423: 
                    424:     return $content;
                    425: 
1.515     foxr      426: }
                    427: 
1.524     www       428: sub get_student_view_with_retries {
                    429:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    430: 
                    431:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    432:     if (!$response->is_success) {
                    433:         $ssi_error               = 1;
1.526     www       434:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       435:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   436:         $content='\section*{!!! An error occurred !!!}';
1.526     www       437:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       438:     }
                    439:     return $content;
                    440: 
                    441: }
                    442: 
1.486     foxr      443: #
                    444: #   printf_style_subst  item format_string repl
                    445: #  
                    446: # Does printf style substitution for a format string that
                    447: # can have %[n]item in it.. wherever, %[n]item occurs,
                    448: # rep is substituted in format_string.  Note that
                    449: # [n] is an optional integer length.  If provided,
                    450: # repl is truncated to at most [n] characters prior to 
                    451: # substitution.
                    452: #
                    453: sub printf_style_subst {
                    454:     my ($item, $format_string, $repl) = @_;
1.490     foxr      455:     my $result = "";
                    456:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  457: 	my $fmt = $1;
                    458: 	my $size = $2;
1.486     foxr      459: 	my $subst = $repl;
                    460: 	if ($size ne "") {
                    461: 	    $subst = substr($subst, 0, $size);
1.490     foxr      462: 	    
                    463: 	    #  Here's a nice edge case.. supose the end of the
                    464: 	    #  substring is a \.  In that case may have  just
                    465: 	    #  chopped off a TeX escape... in that case, we append
                    466: 	    #   " " for the trailing character, and let the field 
                    467: 	    #  spill over a bit (sigh).
                    468: 	    #  We don't just chop off the last character in order to deal
                    469: 	    #  with one last pathology, and that would be if substr had
                    470: 	    #  trimmed us to e.g. \\\  
                    471: 
                    472: 
                    473: 	    if ($subst =~ /\\$/) {
                    474: 		$subst .= " ";
                    475: 	    }
1.486     foxr      476: 	}
1.490     foxr      477: 	my $item_pos = pos($format_string);
                    478: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    479:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      480:     }
1.490     foxr      481: 
                    482:     # Put the residual format string into the result:
                    483: 
                    484:     $result .= $format_string;
                    485: 
                    486:     return $result;
1.486     foxr      487: }
                    488: 
1.454     foxr      489: 
                    490: # Format a header according to a format.  
                    491: # 
                    492: 
                    493: # Substitutions:
                    494: #     %a    - Assignment name.
                    495: #     %c    - Course name.
                    496: #     %n    - Student name.
1.537     foxr      497: #     %s    - The section if it is supplied.
1.454     foxr      498: #
                    499: sub format_page_header {
1.537     foxr      500:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    501: 
1.565     foxr      502: 
                    503: 
1.486     foxr      504:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      505:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    506: 
1.454     foxr      507:     #  Default format?
                    508: 
                    509:     if ($format eq '') {
1.486     foxr      510: 	# For the default format, we may need to truncate
                    511: 	# elements..  To do this we need to get the page width.
                    512: 	# we assume that each character is about 2mm in width.
                    513: 	# (correct for the header text size??).  We ignore
                    514: 	# any formatting (e.g. boldfacing in this).
                    515: 	# 
                    516: 	# - Allow the student/course to be one line.
                    517: 	#   but only truncate the course.
                    518: 	# - Allow the assignment to be 2 lines (wrapped).
                    519: 	#
1.565     foxr      520: 
1.537     foxr      521: 	
                    522: 
                    523: 	my $name_length    = int($chars_per_line *3 /4);
                    524: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      525: 
1.537     foxr      526: 	$format  = "%$name_length".'n';
1.486     foxr      527: 
1.537     foxr      528: 	if ($section) {
                    529: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      530: 	}
1.489     foxr      531: 
1.537     foxr      532: 	$format .= '\\\\%c \\\\ %a';
                    533:         
1.490     foxr      534: 
1.454     foxr      535:     }
1.537     foxr      536:     # An open question is how to handle long user formatted page headers...
                    537:     # A possible future is to support e.g. %na so that the user can control
                    538:     # the truncation of the elements that can appear in the header.
                    539:     #
                    540:     $format =  &printf_style_subst("a", $format, $assignment);
                    541:     $format =  &printf_style_subst("c", $format, $course);
                    542:     $format =  &printf_style_subst("n", $format, $student);
                    543:     $format =  &printf_style_subst("s", $format, $section);
                    544:     
                    545:     
                    546:     # If the user put %'s in the format string, they  must be escaped
                    547:     # to \% else LaTeX will think they are comments and terminate
                    548:     # the line.. which is bad!!!
                    549:     
1.538     onken     550:     # If the user has role author, $course and $assignment are empty so
                    551:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    552:     if($format =~ /\\\\\s\\\\\s/) {
                    553:         #TODO find sensible caption for page header
                    554:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    555:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    556:     }
1.565     foxr      557:     #
                    558:     #  We're going to trust LaTeX to break lines appropriately, but
                    559:     #  we'll truncate anything that's more than 3 lines worth of
                    560:     # text.  This is also assuming (which will probably end badly)
                    561:     # nobody's going to embed LaTeX control sequences in the title
                    562:     # header or rather that those control sequences won't get broken
                    563:     # by the stuff below.
                    564:     #
                    565:     my $total_length = 3*$chars_per_line;
                    566:     if (length($format) > $total_length) {
                    567: 	$format = substr($format, 0, $total_length);
                    568:     }
                    569: 
1.454     foxr      570: 
                    571:     return $format;
                    572:     
                    573: }
1.397     albertel  574: 
1.385     foxr      575: #
                    576: #   Convert a numeric code to letters
                    577: #
                    578: sub num_to_letters {
                    579:     my ($num) = @_;
                    580:     my @nums= split('',$num);
                    581:     my @num_to_let=('A'..'Z');
                    582:     my $word;
                    583:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    584:     return $word;
                    585: }
                    586: #   Convert a letter code to numeric.
                    587: #
                    588: sub letters_to_num {
                    589:     my ($letters) = @_;
                    590:     my @letters = split('', uc($letters));
1.490     foxr      591:    my %substitution;
1.385     foxr      592:     my $digit = 0;
                    593:     foreach my $letter ('A'..'J') {
                    594: 	$substitution{$letter} = $digit;
                    595: 	$digit++;
                    596:     }
                    597:     #  The substitution is done as below to preserve leading
                    598:     #  zeroes which are needed to keep the code size exact
                    599:     #
                    600:     my $result ="";
                    601:     foreach my $letter (@letters) {
                    602: 	$result.=$substitution{$letter};
                    603:     }
                    604:     return $result;
                    605: }
                    606: 
1.383     foxr      607: #  Determine if a code is a valid numeric code.  Valid
                    608: #  numeric codes must be comprised entirely of digits and
1.384     albertel  609: #  have a correct number of digits.
1.383     foxr      610: #
                    611: #  Parameters:
                    612: #     value      - proposed code value.
1.384     albertel  613: #     num_digits - Number of digits required.
1.383     foxr      614: #
                    615: sub is_valid_numeric_code {
1.384     albertel  616:     my ($value, $num_digits) = @_;
1.383     foxr      617:     #   Remove leading/trailing whitespace;
1.387     foxr      618:     $value =~ s/^\s*//g;
                    619:     $value =~ s/\s*$//g;
1.383     foxr      620:     
                    621:     #  All digits?
1.387     foxr      622:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      623: 	return "Numeric code $value has invalid characters - must only be digits";
                    624:     }
1.384     albertel  625:     if (length($value) != $num_digits) {
                    626: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    627:     }
1.385     foxr      628:     return undef;
1.383     foxr      629: }
                    630: #   Determines if a code is a valid alhpa code.  Alpha codes
                    631: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  632: #   They also have a correct digit count.
1.383     foxr      633: # Parameters:
                    634: #     value          - Proposed code value.
1.384     albertel  635: #     num_letters    - correct number of letters.
1.383     foxr      636: # Note:
                    637: #    leading and trailing whitespace are ignored.
                    638: #
                    639: sub is_valid_alpha_code {
1.384     albertel  640:     my ($value, $num_letters) = @_;
1.383     foxr      641:     
                    642:      # strip leading and trailing spaces.
                    643: 
                    644:     $value =~ s/^\s*//g;
                    645:     $value =~ s/\s*$//g;
                    646: 
                    647:     #  All alphas in the right range?
1.384     albertel  648:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      649: 	return "Invalid letter code $value must only contain A-J";
                    650:     }
1.384     albertel  651:     if (length($value) != $num_letters) {
                    652: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    653:     }
1.385     foxr      654:     return undef;
1.383     foxr      655: }
                    656: 
1.382     foxr      657: #   Determine if a code entered by the user in a helper is valid.
                    658: #   valid depends on the code type and the type of code selected.
                    659: #   The type of code selected can either be numeric or 
                    660: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    661: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    662: #   We'll be nice and be case insensitive for alpha codes.
                    663: # Parameters:
                    664: #    code_value    - the value of the code the user typed in.
                    665: #    code_option   - The code type selected from the set in the scantron format
                    666: #                    table.
                    667: # Returns:
                    668: #    undef         - The code is valid.
                    669: #    other         - An error message indicating what's wrong.
                    670: #
                    671: sub is_code_valid {
                    672:     my ($code_value, $code_option) = @_;
1.383     foxr      673:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   674:     my @lines = &Apache::grades::get_scantronformat_file();
                    675:     foreach my $line (@lines) {
1.383     foxr      676: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    677: 	if($name eq $code_option) {
                    678: 	    $code_length = $length;
                    679: 	    if($type eq 'number') {
                    680: 		$code_type = 'number';
                    681: 	    }
                    682: 	}
                    683:     }
                    684:     my $valid;
                    685:     if ($code_type eq 'number') {
1.385     foxr      686: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      687:     } else {
1.385     foxr      688: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      689:     }
1.382     foxr      690: 
                    691: }
                    692: 
1.341     foxr      693: #   Compare two students by name.  The students are in the form
                    694: #   returned by the helper:
                    695: #      user:domain:section:last,   first:status
                    696: #   This is a helper function for the perl sort built-in  therefore:
                    697: # Implicit Inputs:
                    698: #    $a     - The first element to compare (global)
                    699: #    $b     - The second element to compare (global)
                    700: # Returns:
                    701: #   -1   - $a < $b
                    702: #    0   - $a == $b
                    703: #   +1   - $a > $b
                    704: #   Note that the initial comparison is done on the last names with the
                    705: #   first names only used to break the tie.
                    706: #
                    707: #
                    708: sub compare_names {
                    709:     #  First split the names up into the primary fields.
                    710: 
                    711:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    712:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    713: 
                    714:     # Now split the last name and first name of each n:
                    715:     #
                    716: 
                    717:     my ($l1,$f1) = split(/,/, $n1);
                    718:     my ($l2,$f2) = split(/,/, $n2);
                    719: 
                    720:     # We don't bother to remove the leading/trailing whitespace from the
                    721:     # firstname, unless the last names compare identical.
                    722: 
                    723:     if($l1 lt $l2) {
                    724: 	return -1;
                    725:     }
                    726:     if($l1 gt $l2) {
                    727: 	return  1;
                    728:     }
                    729: 
                    730:     # Break the tie on the first name, but there are leading (possibly trailing
                    731:     # whitespaces to get rid of first 
                    732:     #
                    733:     $f1 =~ s/^\s+//;		# Remove leading...
                    734:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    735:     
                    736:     $f2 =~ s/^\s+//;
                    737:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    738: 
                    739:     if($f1 lt $f2) {
                    740: 	return -1;
                    741:     }
                    742:     if($f1 gt $f2) {
                    743: 	return 1;
                    744:     }
                    745:     
                    746:     #  Must be the same name.
                    747: 
                    748:     return 0;
                    749: }
                    750: 
1.71      sakharuk  751: sub latex_header_footer_remove {
                    752:     my $text = shift;
                    753:     $text =~ s/\\end{document}//;
                    754:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    755:     return $text;
                    756: }
1.423     foxr      757: #
                    758: #  If necessary, encapsulate text inside 
                    759: #  a minipage env.
                    760: #  necessity is determined by the problem_split param.
                    761: #
                    762: sub encapsulate_minipage {
                    763:     my ($text) = @_;
1.427     albertel  764:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      765: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    766:     }
                    767:     return $text;
                    768: }
1.429     foxr      769: #
                    770: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    771: #  variables interact, this sub looks at these two parameters
                    772: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    773: #     all     - if SPLIT_PDFS eq 'all'.
                    774: #     1       - if SPLIT_PDFS eq 'oneper'
                    775: #     section - if SPLIT_PDFS eq 'sections'
                    776: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    777: #
                    778: sub adjust_number_to_print {
                    779:     my $helper = shift;
1.71      sakharuk  780: 
1.429     foxr      781:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    782:     
                    783:     if ($split_pdf eq 'all') {
                    784: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    785:     } elsif ($split_pdf eq 'oneper') {
                    786: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    787:     } elsif ($split_pdf eq 'sections') {
                    788: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    789:     } elsif ($split_pdf eq 'usenumber') {
                    790: 	#  Unmodified.
                    791:     } else {
                    792: 	# Error!!!!
1.536     foxr      793: 	
                    794: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      795: 
                    796:     }
                    797: }
1.71      sakharuk  798: 
1.531     foxr      799: 
1.37      sakharuk  800: sub character_chart {
1.531     foxr      801:     my $result = shift;
                    802:     return  &Apache::entities::replace_entities($result);
                    803: }
                    804: 
                    805: sub old_character_chart {
1.37      sakharuk  806:     my $result = shift;	
1.116     sakharuk  807:     $result =~ s/&\#0?0?(7|9);//g;
                    808:     $result =~ s/&\#0?(10|13);//g;
                    809:     $result =~ s/&\#0?32;/ /g;
                    810:     $result =~ s/&\#0?33;/!/g;
                    811:     $result =~ s/&(\#0?34|quot);/\"/g;
                    812:     $result =~ s/&\#0?35;/\\\#/g;
                    813:     $result =~ s/&\#0?36;/\\\$/g;
                    814:     $result =~ s/&\#0?37;/\\%/g; 
                    815:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    816:     $result =~ s/&\#(0?39|146);/\'/g;
                    817:     $result =~ s/&\#0?40;/(/g;
                    818:     $result =~ s/&\#0?41;/)/g;
                    819:     $result =~ s/&\#0?42;/\*/g;
                    820:     $result =~ s/&\#0?43;/\+/g;
                    821:     $result =~ s/&\#(0?44|130);/,/g;
                    822:     $result =~ s/&\#0?45;/-/g;
                    823:     $result =~ s/&\#0?46;/\./g;
                    824:     $result =~ s/&\#0?47;/\//g;
                    825:     $result =~ s/&\#0?48;/0/g;
                    826:     $result =~ s/&\#0?49;/1/g;
                    827:     $result =~ s/&\#0?50;/2/g;
                    828:     $result =~ s/&\#0?51;/3/g;
                    829:     $result =~ s/&\#0?52;/4/g;
                    830:     $result =~ s/&\#0?53;/5/g;
                    831:     $result =~ s/&\#0?54;/6/g;
                    832:     $result =~ s/&\#0?55;/7/g;
                    833:     $result =~ s/&\#0?56;/8/g;
                    834:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  835:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  836:     $result =~ s/&\#0?59;/;/g;
                    837:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  838:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    839:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  840:     $result =~ s/&\#0?63;/\?/g;
                    841:     $result =~ s/&\#0?65;/A/g;
                    842:     $result =~ s/&\#0?66;/B/g;
                    843:     $result =~ s/&\#0?67;/C/g;
                    844:     $result =~ s/&\#0?68;/D/g;
                    845:     $result =~ s/&\#0?69;/E/g;
                    846:     $result =~ s/&\#0?70;/F/g;
                    847:     $result =~ s/&\#0?71;/G/g;
                    848:     $result =~ s/&\#0?72;/H/g;
                    849:     $result =~ s/&\#0?73;/I/g;
                    850:     $result =~ s/&\#0?74;/J/g;
                    851:     $result =~ s/&\#0?75;/K/g;
                    852:     $result =~ s/&\#0?76;/L/g;
                    853:     $result =~ s/&\#0?77;/M/g;
                    854:     $result =~ s/&\#0?78;/N/g;
                    855:     $result =~ s/&\#0?79;/O/g;
                    856:     $result =~ s/&\#0?80;/P/g;
                    857:     $result =~ s/&\#0?81;/Q/g;
                    858:     $result =~ s/&\#0?82;/R/g;
                    859:     $result =~ s/&\#0?83;/S/g;
                    860:     $result =~ s/&\#0?84;/T/g;
                    861:     $result =~ s/&\#0?85;/U/g;
                    862:     $result =~ s/&\#0?86;/V/g;
                    863:     $result =~ s/&\#0?87;/W/g;
                    864:     $result =~ s/&\#0?88;/X/g;
                    865:     $result =~ s/&\#0?89;/Y/g;
                    866:     $result =~ s/&\#0?90;/Z/g;
                    867:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  868:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  869:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  870:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  871:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    872:     $result =~ s/&\#(0?96|145);/\`/g;
                    873:     $result =~ s/&\#0?97;/a/g;
                    874:     $result =~ s/&\#0?98;/b/g;
                    875:     $result =~ s/&\#0?99;/c/g;
                    876:     $result =~ s/&\#100;/d/g;
                    877:     $result =~ s/&\#101;/e/g;
                    878:     $result =~ s/&\#102;/f/g;
                    879:     $result =~ s/&\#103;/g/g;
                    880:     $result =~ s/&\#104;/h/g;
                    881:     $result =~ s/&\#105;/i/g;
                    882:     $result =~ s/&\#106;/j/g;
                    883:     $result =~ s/&\#107;/k/g;
                    884:     $result =~ s/&\#108;/l/g;
                    885:     $result =~ s/&\#109;/m/g;
                    886:     $result =~ s/&\#110;/n/g;
                    887:     $result =~ s/&\#111;/o/g;
                    888:     $result =~ s/&\#112;/p/g;
                    889:     $result =~ s/&\#113;/q/g;
                    890:     $result =~ s/&\#114;/r/g;
                    891:     $result =~ s/&\#115;/s/g;
                    892:     $result =~ s/&\#116;/t/g;
                    893:     $result =~ s/&\#117;/u/g;
                    894:     $result =~ s/&\#118;/v/g;
                    895:     $result =~ s/&\#119;/w/g;
                    896:     $result =~ s/&\#120;/x/g;
                    897:     $result =~ s/&\#121;/y/g;
                    898:     $result =~ s/&\#122;/z/g;
                    899:     $result =~ s/&\#123;/\\{/g;
                    900:     $result =~ s/&\#124;/\|/g;
                    901:     $result =~ s/&\#125;/\\}/g;
                    902:     $result =~ s/&\#126;/\~/g;
                    903:     $result =~ s/&\#131;/\\textflorin /g;
                    904:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  905:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    906:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    907:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  908:     $result =~ s/&\#137;/\\textperthousand /g;
                    909:     $result =~ s/&\#140;/{\\OE}/g;
                    910:     $result =~ s/&\#147;/\`\`/g;
                    911:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  912:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  913:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  914:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  915:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  916:     $result =~ s/&\#153;/\\texttrademark /g;
                    917:     $result =~ s/&\#156;/\\oe/g;
                    918:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  919:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  920:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    921:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    922:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    923:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    924:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    925:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    926:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      927:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  928:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    929:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  930:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  931:     $result =~ s/&(\#173|shy);/ - /g;
                    932:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  933:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    934:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    935:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    936:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    937:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      938:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  939:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  940:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  941:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  942:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  943:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  944:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    945:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    946:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    947:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    948:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    949:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    950:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    951:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    952:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    953:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    954:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    955:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    956:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    957:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    958:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    959:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    960:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    961:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    962:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    963:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    964:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    965:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    966:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    967:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    968:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    969:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    970:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  971:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  972:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    973:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    974:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    975:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    976:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    977:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  978:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  979:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    980:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    981:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    982:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    983:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    984:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    985:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    986:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    987:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    988:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    989:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    990:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    991:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    992:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    993:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    994:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  995:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    997:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    998:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    999:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1000:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1001:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1002:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1003:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1004:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1005:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1006:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1007:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1008:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1009:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1010:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1011:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1012: #Greek Alphabet
1.281     sakharuk 1013:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1014:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1015:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1016:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1017:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1018:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1019:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1020:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1021:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1022:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1023:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1024:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1025:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1026:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1027:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1028:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1029:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1030:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1031:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1032:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1033:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1034:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1035:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1036:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1037:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1038:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1039:     $result =~ s/&(Alpha|\#913);/A/g;
                   1040:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1041:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1042:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1044:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1045:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1046:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1047:     $result =~ s/&(Iota|\#921);/I/g;
                   1048:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1049:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Mu|\#924);/M/g;
                   1051:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1052:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1054:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1055:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1056:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1057:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1058:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1059:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1060:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1061:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1062:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1063: #Arrows (extended HTML 4.01)
1.281     sakharuk 1064:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1065:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1066:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1067:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1068:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1069:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1070:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1071:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1072:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1073:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1074: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1075:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1076:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1077:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1078:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1079:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1080:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1081:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1082:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1083:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1084:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1085:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1086:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1087:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1088:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1089:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1090:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1091:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1092:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1093:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1094:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1095:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1096:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1097:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1098:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1099:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1100:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1101:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1102:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1103:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1104:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1105:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1106:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1107:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1108:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1109:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1110:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1111:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1112:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1113: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1114:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1115: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1116:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1117:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1118:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1119:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1120: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1121: 
1.495     foxr     1122:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1123:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1124:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1125:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1126:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1127:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1128:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1129:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1130:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1131:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1132:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1133:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1134:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1135: 
                   1136:     # Left/right quotations:
                   1137: 
                   1138:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1139:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1140: 
                   1141: 
1.559     foxr     1142: 
1.37      sakharuk 1143:     return $result;
                   1144: }
1.41      sakharuk 1145: 
                   1146: 
1.327     albertel 1147:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1148: my %page_formats=
                   1149:     ('letter' => {
                   1150: 	 'book' => {
1.493     foxr     1151: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1152: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1153: 	 },
                   1154: 	 'album' => {
1.496     foxr     1155: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1156: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1157: 	 },
                   1158:      },
                   1159:      'legal' => {
                   1160: 	 'book' => {
                   1161: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1162: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1163: 	 },
                   1164: 	 'album' => {
1.376     albertel 1165: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1166:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1167:           },
                   1168:      },
                   1169:      'tabloid' => {
                   1170: 	 'book' => {
                   1171: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1172: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1173: 	 },
                   1174: 	 'album' => {
1.376     albertel 1175: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1176: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1177:           },
                   1178:      },
                   1179:      'executive' => {
                   1180: 	 'book' => {
                   1181: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1182: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1183: 	 },
                   1184: 	 'album' => {
                   1185: 	     '1' => [],
                   1186: 	     '2' => []
                   1187:           },
                   1188:      },
                   1189:      'a2' => {
                   1190: 	 'book' => {
                   1191: 	     '1' => [],
                   1192: 	     '2' => []
                   1193: 	 },
                   1194: 	 'album' => {
                   1195: 	     '1' => [],
                   1196: 	     '2' => []
                   1197:           },
                   1198:      },
                   1199:      'a3' => {
                   1200: 	 'book' => {
                   1201: 	     '1' => [],
                   1202: 	     '2' => []
                   1203: 	 },
                   1204: 	 'album' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207:           },
                   1208:      },
                   1209:      'a4' => {
                   1210: 	 'book' => {
1.493     foxr     1211: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1212: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1213: 	 },
                   1214: 	 'album' => {
1.496     foxr     1215: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1216: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1217: 	 },
                   1218:      },
                   1219:      'a5' => {
                   1220: 	 'book' => {
                   1221: 	     '1' => [],
                   1222: 	     '2' => []
                   1223: 	 },
                   1224: 	 'album' => {
                   1225: 	     '1' => [],
                   1226: 	     '2' => []
                   1227:           },
                   1228:      },
                   1229:      'a6' => {
                   1230: 	 'book' => {
                   1231: 	     '1' => [],
                   1232: 	     '2' => []
                   1233: 	 },
                   1234: 	 'album' => {
                   1235: 	     '1' => [],
                   1236: 	     '2' => []
                   1237:           },
                   1238:      },
                   1239:      );
                   1240: 
1.177     sakharuk 1241: sub page_format {
1.140     sakharuk 1242: #
1.326     sakharuk 1243: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1244: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1245: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1246: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1247: #                        "A6 [105x148 mm]"
1.140     sakharuk 1248: # 
                   1249:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1250:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1251: }
1.76      sakharuk 1252: 
                   1253: 
1.126     albertel 1254: sub get_name {
                   1255:     my ($uname,$udom)=@_;
1.373     albertel 1256:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1257:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1258:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1259:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1260:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1261:     return $plainname;
1.126     albertel 1262: }
                   1263: 
1.213     albertel 1264: sub get_course {
                   1265:     my $courseidinfo;
1.373     albertel 1266:     if (defined($env{'request.course.id'})) {
1.439     www      1267: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1268: 	my $sec = $env{'request.course.sec'};
                   1269: 	    
1.213     albertel 1270:     }
                   1271:     return $courseidinfo;
                   1272: }
1.177     sakharuk 1273: 
1.76      sakharuk 1274: sub page_format_transformation {
1.312     sakharuk 1275:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1276:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1277: 
1.312     sakharuk 1278:     if ($selectionmade eq '4') {
1.502     foxr     1279: 	if ($choice eq 'all_problems') {
1.561     bisitz   1280:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1281: 	} else {
1.561     bisitz   1282:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1283: 	}
1.312     sakharuk 1284:     } else {
                   1285: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1286:     }
1.261     sakharuk 1287:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1288: 
                   1289: 
1.126     albertel 1290:     my $name = &get_name();
1.213     albertel 1291:     my $courseidinfo = &get_course();
1.455     albertel 1292:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1293:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1294: 					   $courseidinfo, $name);
1.319     sakharuk 1295:     my $topmargintoinsert = '';
                   1296:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1297:     my $fancypagestatement='';
                   1298:     if ($numberofcolumns eq '2') {
1.455     albertel 1299: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1300:     } else {
1.455     albertel 1301: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1302:     }
1.140     sakharuk 1303:     if ($layout eq 'album') {
1.550     foxr     1304: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1305:     } elsif ($layout eq 'book') {
                   1306: 	if ($choice ne 'All class print') { 
1.550     foxr     1307: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk 1308: 	} else {
1.550     foxr     1309: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1310: 	}
1.326     sakharuk 1311: 	if ($papersize eq 'a4') {
1.568.2.3! foxr     1312: 	    $text =~ s/(\\begin{document})/$1\\\\special\{papersize=210mm,297mm\}/;
1.140     sakharuk 1313: 	}
                   1314:     }
1.214     sakharuk 1315:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1316:     if ($indexlist eq 'yes') {
                   1317: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1318: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1319:     }
1.140     sakharuk 1320:     return $text;
                   1321: }
                   1322: 
                   1323: 
1.33      sakharuk 1324: sub page_cleanup {
                   1325:     my $result = shift;	
1.65      sakharuk 1326:  
                   1327:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1328:     my $number_of_columns = $1;
1.33      sakharuk 1329:     my $insert = '{';
1.34      sakharuk 1330:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1331:     $insert .= '}';
1.65      sakharuk 1332:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1333:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1334:     return $result,$number_of_columns;
1.7       sakharuk 1335: }
1.5       sakharuk 1336: 
1.3       sakharuk 1337: 
1.60      sakharuk 1338: sub details_for_menu {
1.335     albertel 1339:     my ($helper)=@_;
1.373     albertel 1340:     my $postdata=$env{'form.postdata'};
1.335     albertel 1341:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1342:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1343:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1344:     return if ( $symbolic eq '');
                   1345: 
1.233     www      1346:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1347:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1348:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1349:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1350: 	$map =~ m|([^/]+)$|;
                   1351: 	$name_of_sequence = $1;
1.63      albertel 1352:     }
1.373     albertel 1353:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1354:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1355: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1356: 	$name_of_map = $1;
                   1357:     }
1.335     albertel 1358:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1359: }
                   1360: 
1.476     albertel 1361: sub copyright_line {
                   1362:     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
                   1363: }
                   1364: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1365: 
                   1366: sub latex_corrections {
1.408     albertel 1367:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1368: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1369:     my $copyright = &copyright_line();
1.408     albertel 1370:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1372:     } else {
1.476     albertel 1373: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1374:     }
1.476     albertel 1375:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1376:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1377:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1378: #-- LaTeX corrections     
                   1379:     my $first_comment = index($result,'<!--',0);
                   1380:     while ($first_comment != -1) {
                   1381: 	my $end_comment = index($result,'-->',$first_comment);
                   1382: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1383: 	$first_comment = index($result,'<!--',$first_comment);
                   1384:     }
                   1385:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1386:     #removes more than one empty space
                   1387:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1388:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1389:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1390:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1391:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1392:     #conversion of html characters to LaTeX equivalents
                   1393:     if ($result =~ m/&(\w+|#\d+);/) {
                   1394: 	$result = &character_chart($result);
                   1395:     }
                   1396:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1397:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1398:     return $result;
1.60      sakharuk 1399: }
                   1400: 
1.3       sakharuk 1401: 
1.214     sakharuk 1402: sub index_table {
                   1403:     my $currentURL = shift;
                   1404:     my $insex_string='';
                   1405:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1406:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1407:     return $insex_string;
                   1408: }
                   1409: 
                   1410: 
1.215     sakharuk 1411: sub IndexCreation {
                   1412:     my ($texversion,$currentURL)=@_;
                   1413:     my @key_words=split(/,/,&index_table($currentURL));
                   1414:     my $chunk='';
                   1415:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1416:     if ($st>0) {
                   1417: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1418: 	$chunk=substr($texversion,0,$st+1);
                   1419: 	substr($texversion,0,$st+1)=' ';
                   1420:     }
                   1421:     foreach my $key_word (@key_words) {
                   1422: 	if ($key_word=~/\S+/) {
                   1423: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1424: 	}
                   1425:     }			
                   1426:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1427:     return $texversion;
                   1428: }
                   1429: 
1.242     sakharuk 1430: sub print_latex_header {
                   1431:     my $mode=shift;
1.550     foxr     1432: 
                   1433:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1434: }
                   1435: 
                   1436: sub path_to_problem {
1.328     albertel 1437:     my ($urlp,$colwidth)=@_;
1.404     albertel 1438:     $urlp=&Apache::lonnet::clutter($urlp);
                   1439: 
1.242     sakharuk 1440:     my $newurlp = '';
1.328     albertel 1441:     $colwidth=~s/\s*mm\s*$//;
                   1442: #characters average about 2 mm in width
1.360     albertel 1443:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1444: 	my @elements = split('/',$urlp);
1.328     albertel 1445: 	my $curlength=0;
                   1446: 	foreach my $element (@elements) {
1.404     albertel 1447: 	    if ($element eq '') { next; }
1.328     albertel 1448: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1449: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1450: 		$curlength=length($element)*2;
1.328     albertel 1451: 	    } else {
                   1452: 		$curlength+=length($element)*2;
1.242     sakharuk 1453: 	    }
1.328     albertel 1454: 	    $newurlp.='/'.$element;
1.242     sakharuk 1455: 	}
1.253     sakharuk 1456:     } else {
                   1457: 	$newurlp=$urlp;
1.242     sakharuk 1458:     }
                   1459:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1460: }
1.215     sakharuk 1461: 
1.275     sakharuk 1462: sub recalcto_mm {
                   1463:     my $textwidth=shift;
                   1464:     my $LaTeXwidth;
1.339     albertel 1465:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1*10;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1;
1.339     albertel 1469:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1470: 	$LaTeXwidth = $1*25.4;
                   1471:     }
                   1472:     $LaTeXwidth.=' mm';
                   1473:     return $LaTeXwidth;
                   1474: }
                   1475: 
1.285     albertel 1476: sub get_textwidth {
                   1477:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1478:     my $textwidth=$LaTeXwidth;
1.285     albertel 1479:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1480: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1481: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1482: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1483:     }
1.286     albertel 1484:     return $textwidth;
1.285     albertel 1485: }
                   1486: 
1.296     sakharuk 1487: 
                   1488: sub unsupported {
1.414     albertel 1489:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1490:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1491:     my $result.= &print_latex_header($mode);
1.414     albertel 1492:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1493: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1494: 	my $title=&Apache::lonnet::gettitle($symb);
                   1495: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1496: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1497:     } else {
                   1498: 	$result.=$currentURL;
                   1499:     }
1.419     albertel 1500:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1501:     return $result;
                   1502: }
                   1503: 
1.559     foxr     1504: #
                   1505: #  Map from helper layout style to the book/album:
                   1506: #
                   1507: sub map_laystyle {
                   1508:     my ($laystyle) = @_;
                   1509:     if ($laystyle eq 'L') {
                   1510: 	$laystyle='album';
                   1511:     } else {
                   1512: 	$laystyle='book';
                   1513:     }
                   1514:     return $laystyle;
                   1515: }
                   1516: 
                   1517: sub print_page_in_course {
                   1518:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1519:     my %parmhash       = %$rparmhash;
                   1520:     my @page_resources = @$resources;
                   1521:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1522:     my $symb = $helper->{'VARS'}->{'symb'};
                   1523: 
                   1524: 
                   1525:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1526: 
                   1527: 
                   1528:     my @temporary_array=split /\|/,$format_from_helper;
                   1529:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1530:     $laystyle = &map_laystyle($laystyle);
                   1531:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1532: 								      $numberofcolumns);
                   1533:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1534: 
                   1535: 
                   1536:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1537:     my $result   =    &print_latex_header($mode);
1.559     foxr     1538:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1539: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1540: 	my $title=&Apache::lonnet::gettitle($symb);
                   1541: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1542:     } else {
                   1543: 	$result.=$currentURL;
                   1544:     }
                   1545:     $result .= '\\\\';
                   1546: 
                   1547:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1548: 	&Apache::lonnet::appenv({'construct.style' =>
                   1549: 				$helper->{'VARS'}->{'style_file'}});
                   1550:     } elsif ($env{'construct.style'}) {
                   1551: 	&Apache::lonnet::delenv('construct.style');
                   1552:     }
                   1553: 
                   1554:     # First is the overall page description.  This is then followed by the 
                   1555:     # components of the page. Each of which must be printed independently.
1.564     foxr     1556:     my $the_page = shift(@page_resources); 
1.559     foxr     1557: 
                   1558: 
                   1559:     foreach my $resource (@page_resources) {
                   1560: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1561: 	$result           .= $resource->title() . '\\\\';
                   1562: 
                   1563: 	# Recurse if a .page:
                   1564: 
                   1565: 	if ($resource_src =~ /.page$/i) {
                   1566: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1567: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1568: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1569: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
                   1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/)  {		
                   1574: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1575: 	    my %form;
                   1576: 	    my %moreenv;
                   1577: 
                   1578: 	    &Apache::lonxml::remember_problem_counter();
                   1579: 	    $moreenv{'request.filename'}=$urlp;
                   1580: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1581: 
                   1582: 	    $form{'grade_target'}  = 'tex';
                   1583: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.568.2.2  raeburn  1584: 	    $form{'pdfFormFields'} = 'no';
1.559     foxr     1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
                   1688:     my $r=shift;
                   1689:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
                   1722:         $r->print('<hr />');
                   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.544     bisitz   1725: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
                   1733:                   .&Apache::loncommon::end_data_table()
                   1734:         );
1.400     albertel 1735:     }
                   1736:     if ($pdf_result) {
1.544     bisitz   1737: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1738:                   .&Apache::loncommon::start_data_table()
                   1739:                   .&Apache::loncommon::start_data_table_header_row()
                   1740:                   .'<th>'.&mt('Download').'</th>'
                   1741:                   .'<th>'.&mt('Creation Date').'</th>'
                   1742:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1743:                   .&Apache::loncommon::end_data_table_header_row()
                   1744:                   .$pdf_result
                   1745:                   .&Apache::loncommon::end_data_table()
                   1746:         );
1.396     albertel 1747:     }
1.395     www      1748: }
                   1749: 
                   1750: #
1.363     foxr     1751: #   Retrieve the hash of page breaks.
                   1752: #
                   1753: #  Inputs:
                   1754: #    helper   - reference to helper object.
                   1755: #  Outputs
                   1756: #    A reference to a page break hash.
                   1757: #
                   1758: #
1.562     foxr     1759: # use Data::Dumper;
1.418     foxr     1760: #sub dump_helper_vars {
                   1761: #    my ($helper) = @_;
                   1762: #    my $helpervars = Dumper($helper->{'VARS'});
                   1763: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1764: #}
1.363     foxr     1765: 
1.481     albertel 1766: sub get_page_breaks  {
                   1767:     my ($helper) = @_;
                   1768:     my %page_breaks;
                   1769: 
                   1770:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1771: 	$page_breaks{$break} = 1;
                   1772:     }
                   1773:     return %page_breaks;
                   1774: }
1.363     foxr     1775: 
1.459     foxr     1776: #  Output a sequence (recursively if neeed)
                   1777: #  from construction space.
                   1778: # Parameters:
                   1779: #    url     = URL of the sequence to print.
                   1780: #    helper  - Reference to the helper hash.
                   1781: #    form    - Copy of the format hash.
                   1782: #    LaTeXWidth
                   1783: # Returns:
                   1784: #   Text to add to the printout.
                   1785: #   NOTE if the first element of the outermost sequence
                   1786: #   is itself a sequence, the outermost caller may need to
                   1787: #   prefix the latex with the page headers stuff.
                   1788: #
                   1789: sub print_construction_sequence {
                   1790:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1791:     my $result;
                   1792:     my $rndseed=time;
                   1793:     if ($helper->{'VARS'}->{'curseed'}) {
                   1794: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1795:     }
1.491     albertel 1796:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1797:     # 
                   1798:     #  These make this all support recursing for subsequences.
                   1799:     #
1.491     albertel 1800:     my @order    = @LONCAPA::map::order;
                   1801:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1802:     for (my $member=0;$member<=$#order;$member++) {
                   1803: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1804: 	my $urlp=$2;
                   1805: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1806: 	    my $texversion='';
                   1807: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1808: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1809: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1810: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1811: 		$form{'rndseed'}=$rndseed;
                   1812: 		$resources_printed .=$urlp.':';
1.515     foxr     1813: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1814: 	    }
                   1815: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1816: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1817: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1818: 		#  Don't permanently modify %$form...
                   1819: 		my %answerform = %form;
                   1820: 		$answerform{'grade_target'}='answer';
                   1821: 		$answerform{'answer_output_mode'}='tex';
                   1822: 		$answerform{'rndseed'}=$rndseed;
                   1823: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1824: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1825: 		$resources_printed .= $urlp.':';
1.515     foxr     1826: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1827: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1828: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1829: 		} else {
                   1830: 		    # If necessary, encapsulate answer in minipage:
                   1831: 		    
                   1832: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1833: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1834: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1835: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1836: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1837: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1838: 		    $body = &encapsulate_minipage($body);
                   1839: 		    $texversion.=$body;
                   1840: 		}
                   1841: 	    }
                   1842: 	    $texversion = &latex_header_footer_remove($texversion);
                   1843: 
                   1844: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1845: 		$texversion=&IndexCreation($texversion,$urlp);
                   1846: 	    }
                   1847: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1848: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1849: 	    }
                   1850: 	    $result.=$texversion;
                   1851: 
                   1852: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1853:  
1.459     foxr     1854: 	    # header:
                   1855: 
                   1856: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1857: 
                   1858: 	    # IF sequence, recurse:
                   1859: 	    
                   1860: 	    if ($urlp =~ /\.sequence$/) {
                   1861: 		my $sequence_url = $urlp;
                   1862: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1863: 		my $user         = $env{'user.name'};
                   1864: 
                   1865: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1866: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1867: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1868: 		$result .= &print_construction_sequence($sequence_url, 
                   1869: 							$helper, %form, 
                   1870: 							$LaTeXwidth);
                   1871: 	    }
1.550     foxr     1872: 	}
                   1873: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1874: 	    my $texversion;
                   1875: 	    if ($member != 0) {
                   1876: 		$texversion .= '\cleardoublepage';
                   1877: 	    }
                   1878: 
                   1879: 	    $texversion .= &include_pdf($urlp);
                   1880: 	    $texversion = &latex_header_footer_remove($texversion);
                   1881: 	    if ($member != $#order) {
                   1882: 		$texversion .= '\\ \cleardoublepage';
                   1883: 	    }
1.551     foxr     1884: 	    
                   1885: 	    $result .= $texversion;
1.550     foxr     1886: 	}
1.459     foxr     1887:     }
                   1888:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1889:     return $result;
                   1890: }
                   1891: 
1.177     sakharuk 1892: sub output_data {
1.184     sakharuk 1893:     my ($r,$helper,$rparmhash) = @_;
                   1894:     my %parmhash = %$rparmhash;
1.515     foxr     1895:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1896:     $resources_printed = '';
1.556     foxr     1897:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     1898:     my $do_postprocessing = 1;
1.433     albertel 1899:     my $js = <<ENDPART;
                   1900: <script type="text/javascript">
1.264     sakharuk 1901:     var editbrowser;
                   1902:     function openbrowser(formname,elementname,only,omit) {
                   1903:         var url = '/res/?';
                   1904:         if (editbrowser == null) {
                   1905:             url += 'launch=1&';
                   1906:         }
                   1907:         url += 'catalogmode=interactive&';
                   1908:         url += 'mode=parmset&';
                   1909:         url += 'form=' + formname + '&';
                   1910:         if (only != null) {
                   1911:             url += 'only=' + only + '&';
                   1912:         } 
                   1913:         if (omit != null) {
                   1914:             url += 'omit=' + omit + '&';
                   1915:         }
                   1916:         url += 'element=' + elementname + '';
                   1917:         var title = 'Browser';
                   1918:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1919:         options += ',width=700,height=600';
                   1920:         editbrowser = open(url,title,options,'1');
                   1921:         editbrowser.focus();
                   1922:     }
                   1923: </script>
1.140     sakharuk 1924: ENDPART
                   1925: 
1.512     foxr     1926: 
1.558     bisitz   1927:     # Breadcrumbs
                   1928:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   1929:     my $brcrum = [{'href' => '',
                   1930:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   1931:                   {'href' => '',
                   1932:                    'text' => 'Preparing Printout'}];
                   1933: 
                   1934:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   1935:                                                      $js,
                   1936:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 1937:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1938: 
1.433     albertel 1939:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1940: 
1.363     foxr     1941:     # fetch the pagebreaks and store them in the course environment
                   1942:     # The page breaks will be pulled into the hash %page_breaks which is
                   1943:     # indexed by symb and contains 1's for each break.
                   1944: 
1.373     albertel 1945:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1946:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1947:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1948: 					      {'pagebreaks'    => 'scalar',
                   1949: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1950: 
1.364     albertel 1951:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1952: 
1.140     sakharuk 1953:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1954:     my ($result,$selectionmade) = ('','');
                   1955:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1956:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    1957:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     1958: 
                   1959:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 1960:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1961:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1962:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1963:     my @print_array=();
1.274     sakharuk 1964:     my @student_names=();
1.360     albertel 1965: 
1.512     foxr     1966:      
1.360     albertel 1967:     #  Common settings for the %form has:
                   1968:     # In some cases these settings get overriddent by specific cases, but the
                   1969:     # settings are common enough to make it worthwhile factoring them out
                   1970:     # here.
                   1971:     #
                   1972:     my %form;
                   1973:     $form{'grade_target'} = 'tex';
                   1974:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.568.2.2  raeburn  1975:     $form{'pdfFormFields'} = 'no';
1.372     foxr     1976: 
                   1977:     # If form.showallfoils is set, then request all foils be shown:
                   1978:     # privilege will be enforced both by not allowing the 
                   1979:     # check box selecting this option to be presnt unless it's ok,
                   1980:     # and by lonresponse's priv. check.
                   1981:     # The if is here because lonresponse.pm only cares that
                   1982:     # showallfoils is defined, not what the value is.
                   1983: 
                   1984:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1985: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1986:     }
1.504     albertel 1987:     
                   1988:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1989: 	&Apache::lonnet::appenv({'construct.style' =>
                   1990: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1991:     } elsif ($env{'construct.style'}) {
1.549     raeburn  1992: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 1993:     }
                   1994: 
1.372     foxr     1995: 
1.140     sakharuk 1996:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1997:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1998: 	my ($currentURL,$cleanURL);
1.375     foxr     1999: 
1.162     sakharuk 2000: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2001:             #prints published resource
1.153     sakharuk 2002: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2003: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2004: 	} else {
1.512     foxr     2005: 
1.185     sakharuk 2006:             #prints resource from the construction space
1.240     albertel 2007: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2008: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2009: 	    $cleanURL=$currentURL;
1.143     sakharuk 2010: 	}
1.140     sakharuk 2011: 	$selectionmade = 1;
1.413     albertel 2012: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2013: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2014: 	    my $rndseed=time;
1.242     sakharuk 2015: 	    my $texversion='';
                   2016: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2017: 		my %moreenv;
1.343     albertel 2018: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2019:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2020: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2021: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2022: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2023: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2024: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2025: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2026: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2027: 		    $form{'problem_split'}='yes';
                   2028: 		}
1.242     sakharuk 2029: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2030: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2031: 		}
                   2032: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2033: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2034: 
                   2035: 		&Apache::lonxml::clear_problem_counter();
                   2036: 
1.375     foxr     2037: 		$resources_printed .= $currentURL.':';
1.515     foxr     2038: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2039: 
1.511     foxr     2040: 		#  Add annotations if required:
                   2041: 	    
1.428     albertel 2042: 		&Apache::lonxml::clear_problem_counter();
                   2043: 
1.242     sakharuk 2044: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2045: 	    }
1.423     foxr     2046: 	    # current document with answers.. no need to encap in minipage
                   2047: 	    #  since there's only one answer.
                   2048: 
1.242     sakharuk 2049: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2050: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2051: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2052: 		$form{'grade_target'}='answer';
1.167     albertel 2053: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2054: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2055:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2056: 		    $form{'problemtype'}='exam';
                   2057: 		}
1.375     foxr     2058: 		$resources_printed .= $currentURL.':';
1.515     foxr     2059: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2060: 		
                   2061: 
1.242     sakharuk 2062: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2063: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2064: 		} else {
                   2065: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2066: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2067: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2068: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2069: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2070: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2071: 		    } else {
                   2072: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2073: 			my $URLpath=$cleanURL;
1.245     sakharuk 2074: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2075: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2076: 		    }
1.242     sakharuk 2077: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2078: 		}
1.511     foxr     2079: 
                   2080: 
                   2081: 		
                   2082: 
1.550     foxr     2083: 	    
1.511     foxr     2084: 	    }
                   2085: 	    # Print annotations.
                   2086: 
                   2087: 
                   2088: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2089: 		my $annotation .= &annotate($currentURL);
                   2090: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2091: 	    }
1.511     foxr     2092: 
                   2093: 
1.214     sakharuk 2094: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2095: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2096: 	    }
1.219     sakharuk 2097: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2098: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2099: 
                   2100: 	    }
1.162     sakharuk 2101: 	    $result .= $texversion;
                   2102: 	    if ($currentURL=~m/\.page\s*$/) {
                   2103: 		($result,$number_of_columns) = &page_cleanup($result);
                   2104: 	    }
1.413     albertel 2105:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2106: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2107:             #printing content of sequence from the construction space	
1.559     foxr     2108: 
                   2109: 
1.227     sakharuk 2110: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2111: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2112: 						    $LaTeXwidth);
                   2113: 	    $result .= '\end{document}';  
                   2114: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2115: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2116: 	    }
1.459     foxr     2117: 	    # End construction space sequence.
1.456     raeburn  2118: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2119: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2120: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2121: 		$resources_printed .= $currentURL.':';
1.567     foxr     2122: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2123: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2124: 		    my $annotation = &annotate($currentURL);
                   2125: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2126: 		}
1.258     sakharuk 2127: 		$result .= $texversion;
1.550     foxr     2128: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2129: 	    # For this sort of print of a single LaTeX file,
                   2130: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2131: 	    #
                   2132: 
                   2133: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2134: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2135: 		my $annotation = &annotate($currentURL);
                   2136: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2137: 	    }
                   2138: 
1.499     foxr     2139: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2140: 
1.550     foxr     2141: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2142: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2143: 	    $result .= '\end{document}';
1.559     foxr     2144: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2145: 
                   2146: 	    # Determine the set of resources in the map of the page:
                   2147: 
                   2148: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2149: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2150: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2151: 							$cleanURL, \@page_resources);
                   2152: 
                   2153:        
1.162     sakharuk 2154: 	} else {
1.414     albertel 2155: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2156: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2157: 	}
1.354     foxr     2158:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2159: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2160: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2161:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2162:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2163: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2164: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2165: 	     ) { 
1.511     foxr     2166: 
                   2167: 
1.141     sakharuk 2168:         #-- produce an output string
1.562     foxr     2169: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2170: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2171: 	    $selectionmade = 2;
1.562     foxr     2172: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2173: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2174: 	{
1.296     sakharuk 2175: 	    $selectionmade = 3;
1.536     foxr     2176: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2177: 		 ) {
1.296     sakharuk 2178: 	    $selectionmade = 4;
1.354     foxr     2179: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2180: 	    $selectionmade = 4;
1.296     sakharuk 2181: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2182: 	    $selectionmade = 7;
                   2183: 	}
1.193     sakharuk 2184: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2185: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2186: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2187: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2188: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2189: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2190: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2191: 	    $form{'problem_split'}='yes';
                   2192: 	}
1.141     sakharuk 2193: 	my $flag_latex_header_remove = 'NO';
                   2194: 	my $flag_page_in_sequence = 'NO';
                   2195: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2196: 	my $prevassignment='';
1.428     albertel 2197: 
                   2198: 	&Apache::lonxml::clear_problem_counter();
                   2199: 
1.416     foxr     2200: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2201: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2202: 
1.521     foxr     2203: 	    &Apache::lonenc::reset_enc();
                   2204: 
                   2205: 
1.350     foxr     2206: 	    # Note due to document structure, not allowed to put \newpage
                   2207: 	    # prior to the first resource
                   2208: 
1.351     foxr     2209: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2210: 		if($i != 0) {
                   2211: 		    $result.="\\newpage\n";
                   2212: 		}
                   2213: 	    }
1.564     foxr     2214: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2215: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2216: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2217: 
                   2218: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2219: 
1.267     sakharuk 2220: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2221: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2222: 	    my $texversion='';
1.413     albertel 2223: 	    if ($urlp!~m|^/adm/|
                   2224: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2225: 		$resources_printed .= $urlp.':';
1.428     albertel 2226: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2227: 		if ($flag_latex_header_remove eq 'NO') {
                   2228: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2229: 		    $flag_latex_header_remove = 'YES';
                   2230: 		}
1.515     foxr     2231: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2232: 		if ($urlp=~/\.page$/) {
                   2233: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2234: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2235: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2236: 		    $flag_page_in_sequence = 'YES';
                   2237: 		} 
1.428     albertel 2238: 
1.296     sakharuk 2239: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2240: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2241: 		    #  Don't permanently pervert the %form hash
                   2242: 		    my %answerform = %form;
                   2243: 		    $answerform{'grade_target'}='answer';
                   2244: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2245: 		    $resources_printed .= $urlp.':';
1.428     albertel 2246: 
                   2247: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2248: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2249: 
1.296     sakharuk 2250: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2251: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2252: 		    } else {
1.307     sakharuk 2253: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2254: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2255: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2256: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2257: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2258: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2259: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2260: 			    $body   .='\vskip 1 mm '.$answer;
                   2261: 			    $body    = &encapsulate_minipage($body);
                   2262: 			    $texversion .= $body;
1.296     sakharuk 2263: 			} else {
                   2264: 			    $texversion='';
                   2265: 			}
1.249     sakharuk 2266: 		    }
1.511     foxr     2267: 
1.246     sakharuk 2268: 		}
1.511     foxr     2269: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2270: 		    my $annotation .= &annotate($urlp);
                   2271: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2272: 		}
                   2273: 
1.296     sakharuk 2274: 		if ($flag_latex_header_remove ne 'NO') {
                   2275: 		    $texversion = &latex_header_footer_remove($texversion);
                   2276: 		} else {
                   2277: 		    $texversion =~ s/\\end{document}//;
                   2278: 		}
                   2279: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2280: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2281: 		}
                   2282: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2283: 		    my $name = &get_name();
                   2284: 		    my $courseidinfo = &get_course();
                   2285: 		    $prevassignment=$assignment;
1.455     albertel 2286: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2287: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2288: 							  $assignment, 
                   2289: 							  $courseidinfo, 
                   2290: 							  $name);
1.552     foxr     2291: 
1.417     foxr     2292: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2293: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2294: 		    } else {
1.455     albertel 2295: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2296: 		    }			
1.296     sakharuk 2297: 		}
                   2298: 		$result .= $texversion;
                   2299: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2300: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2301: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2302: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2303: 		$resources_printed .= $urlp.':';
1.567     foxr     2304: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2305: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2306: 		    my $annotation = &annotate($urlp);
                   2307: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2308: 		}
                   2309: 
1.301     sakharuk 2310: 		if ($flag_latex_header_remove ne 'NO') {
                   2311: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2312: 		} else {	
1.301     sakharuk 2313: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2314: 		}
                   2315: 		$result .= $texversion;
                   2316: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2317: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2318: 		if ($i > 0) {
                   2319: 		    $result .= '\cleardoublepage';
                   2320: 		}
                   2321: 		$result .= &include_pdf($urlp);
                   2322: 		if ($i != $#master_seq) {
                   2323: 		    if ($numberofcolumns eq '1') {
                   2324: 			$result .= '\newpage';
                   2325: 		    } else {
                   2326: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2327: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2328: 			#
                   2329: 			$result .= '\\ \cleardoublepage';
                   2330: 		    }
                   2331: 		}
                   2332: 		$flag_latex_header_remove = 'YES';
                   2333: 
1.141     sakharuk 2334: 	    } else {
1.414     albertel 2335: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2336: 					 $master_seq[$i]);
1.297     sakharuk 2337: 		if ($flag_latex_header_remove ne 'NO') {
                   2338: 		    $texversion = &latex_header_footer_remove($texversion);
                   2339: 		} else {
                   2340: 		    $texversion =~ s/\\end{document}//;
                   2341: 		}
                   2342: 		$result .= $texversion;
                   2343: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2344: 	    }	    
1.550     foxr     2345: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2346: 		last; 
                   2347: 	    }
1.141     sakharuk 2348: 	}
1.428     albertel 2349: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2350: 	if ($flag_page_in_sequence eq 'YES') {
                   2351: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2352: 	}	
1.141     sakharuk 2353: 	$result .= '\end{document}';
1.284     albertel 2354:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2355: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2356: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2357: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2358: 
                   2359: 
1.150     sakharuk 2360:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2361: 	 my $type;
1.536     foxr     2362: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2363: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2364: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2365: 	     $selectionmade=5;
1.284     albertel 2366: 	     $type='problems';
1.254     sakharuk 2367: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2368: 	     $selectionmade=8;
1.284     albertel 2369: 	     $type='resources';
1.254     sakharuk 2370: 	 }
1.150     sakharuk 2371: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2372: 	 #   The normal sort order is by section then by students within the
                   2373: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2374: 	 #   to override this and output the students by name.
                   2375: 	 #    Each element of the students array is of the form:
                   2376: 	 #       username:domain:section:last, first:status
                   2377: 	 #    
1.429     foxr     2378: 	 #  Note that student sort is not compatible with printing 
                   2379: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2380: 	 #   
1.429     foxr     2381: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2382: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2383: 	     @students = sort compare_names  @students;
                   2384: 	 }
1.429     foxr     2385: 	 &adjust_number_to_print($helper);
                   2386: 
1.278     albertel 2387:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2388: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2389: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2390: 	 }
1.429     foxr     2391: 	 # If we are splitting on section boundaries, we need 
                   2392: 	 # to remember that in split_on_sections and 
                   2393: 	 # print all of the students in the list.
                   2394: 	 #
                   2395: 	 my $split_on_sections = 0;
                   2396: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2397: 	     $split_on_sections = 1;
                   2398: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2399: 	 }
1.150     sakharuk 2400: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2401: 
1.150     sakharuk 2402: 	 #loop over students
1.562     foxr     2403: 
                   2404:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2405: 	 my %moreenv;
1.330     sakharuk 2406:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2407: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2408: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2409: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2410: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2411: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2412: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2413: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2414: 	     $moreenv{'problem_split'}='yes';
                   2415: 	 }
1.318     albertel 2416: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2417: 	 my $student_counter=-1;
1.429     foxr     2418: 	 my $i = 0;
1.430     albertel 2419: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2420: 	 foreach my $person (@students) {
1.350     foxr     2421: 
1.373     albertel 2422:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2423: 	     if (-e $duefile) {
                   2424: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2425: 		 print $temp_file "1969\n";
                   2426: 	     }
1.272     sakharuk 2427: 	     $student_counter++;
1.429     foxr     2428: 	     if ($split_on_sections) {
1.430     albertel 2429: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2430: 		 if ($this_section ne $last_section) {
                   2431: 		     $i++;
                   2432: 		     $last_section = $this_section;
                   2433: 		 }
                   2434: 	     } else {
                   2435: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2436: 	     }
1.375     foxr     2437: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2438: 						     $person,$type,
                   2439: 						     \%moreenv,\@master_seq,
1.360     albertel 2440: 						     $flag_latex_header_remove,
1.422     albertel 2441: 						     $LaTeXwidth);
1.375     foxr     2442: 	     $resources_printed .= ":";
1.284     albertel 2443: 	     $print_array[$i].=$output;
                   2444: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2445: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2446: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2447: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2448: 	 }
                   2449: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2450: 	 $result .= $print_array[0].'  \end{document}';
                   2451:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2452: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2453: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2454: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2455: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2456: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2457: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2458: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2459: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2460: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2461: 
1.381     albertel 2462: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2463:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2464: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2465: 	 foreach my $line (@lines) {
1.381     albertel 2466: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2467: 	     if ($name eq $code_option) {
                   2468: 		 $code_length=$length;
                   2469: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2470: 	     }
                   2471: 	 }
1.288     albertel 2472: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2473: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2474:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2475: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2476: 	 my @allcodes;
                   2477: 	 if ($old_name) {
1.381     albertel 2478: 	     my %result=&Apache::lonnet::get('CODEs',
                   2479: 					     [$old_name,"type\0$old_name"],
                   2480: 					     $cdom,$cnum);
                   2481: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2482: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2483: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2484: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2485: 	     $num_todo = 1;
                   2486: 	     @allcodes = ($selected_code);
1.385     foxr     2487: 	 } elsif ($single_code) {
                   2488: 
1.387     foxr     2489: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2490: 	     # If an alpha code have to convert to numbers so it can be
                   2491: 	     # converted back to letters again :-)
                   2492: 	     #
                   2493: 	     if ($code_type ne 'number') {
                   2494: 		 $single_code = &letters_to_num($single_code);
                   2495: 	     }
                   2496: 	     @allcodes = ($single_code);
1.292     albertel 2497: 	 } else {
                   2498: 	     my %allcodes;
1.299     albertel 2499: 	     srand($seed);
1.292     albertel 2500: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2501: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2502: 					    $code_type);
1.292     albertel 2503: 	     }
                   2504: 	     if ($code_name) {
                   2505: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2506: 				      {
                   2507: 					$code_name =>join(',',keys(%allcodes)),
                   2508: 					"type\0$code_name" => $code_type
                   2509: 				      },
1.292     albertel 2510: 				      $cdom,$cnum);
                   2511: 	     }
                   2512: 	     @allcodes=keys(%allcodes);
                   2513: 	 }
1.336     albertel 2514: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2515: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2516: 	 &adjust_number_to_print($helper);
1.336     albertel 2517: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2518: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2519: 	     $number_per_page=$num_todo;
                   2520: 	 }
                   2521: 	 my $flag_latex_header_remove = 'NO'; 
                   2522: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2523: 	 my $count=0;
1.292     albertel 2524: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2525: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2526: 	     if ($code_type eq 'number') { 
                   2527: 		 $moreenv{'CODE'}=$code;
                   2528: 	     } else {
                   2529: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2530: 	     }
1.375     foxr     2531: 	     my ($output,$fullname, $printed)=
1.288     albertel 2532: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2533: 				  \@master_seq,$flag_latex_header_remove,
                   2534: 				  $LaTeXwidth);
1.375     foxr     2535: 	     $resources_printed .= ":";
1.295     albertel 2536: 	     $print_array[$file_num].=$output;
1.288     albertel 2537: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2538: 				       &mt('last assignment').' '.$fullname);
                   2539: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2540: 	     $count++;
1.331     albertel 2541: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2542: 	 }
                   2543: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2544: 	 $result .= $print_array[0].'  \end{document}';
                   2545:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2546:     #prints selected problems from the subdirectory 
                   2547: 	$selectionmade = 6;
                   2548:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2549: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2550: 	my $flag_latex_header_remove = 'NO'; 
                   2551: 	my $rndseed=time;
1.230     albertel 2552: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2553: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2554: 	}
1.151     sakharuk 2555: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2556: 
                   2557: 	    &Apache::lonenc::reset_enc();
                   2558: 
1.152     sakharuk 2559: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2560: 	    $urlp=~s|//|/|;
1.152     sakharuk 2561: 	    if ($urlp=~/\//) {
1.353     foxr     2562: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2563: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2564: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2565: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2566: 		} else {
1.302     sakharuk 2567: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2568: 		}
1.375     foxr     2569: 		$resources_printed .= $urlp.':';
1.515     foxr     2570: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2571: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2572: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2573: 		    #  Don't permanently pervert %form:
                   2574: 		    my %answerform = %form;
                   2575: 		    $answerform{'grade_target'}='answer';
                   2576: 		    $answerform{'answer_output_mode'}='tex';
                   2577: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2578: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2579: 		    $resources_printed .= $urlp.':';
1.515     foxr     2580: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2581: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2582: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2583: 		    } else {
1.253     sakharuk 2584: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2585: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2586: 			    $texversion.='\vskip 0 mm \noindent ';
                   2587: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2588: 			} else {
                   2589: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2590: 			    my $URLpath=$urlp;
                   2591: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2592: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2593: 			}
                   2594: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2595: 		    }
1.174     sakharuk 2596: 		}
1.515     foxr     2597:                 #this chunk is responsible for printing the path to problem
                   2598: 
1.253     sakharuk 2599: 		my $newurlp=$urlp;
                   2600: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2601: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2602: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2603: 		if ($flag_latex_header_remove ne 'NO') {
                   2604: 		    $texversion = &latex_header_footer_remove($texversion);
                   2605: 		} else {
                   2606: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2607: 		}
                   2608: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2609: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2610: 		}
1.219     sakharuk 2611: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2612: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2613: 		    
                   2614: 		}
1.152     sakharuk 2615: 		$result .= $texversion;
                   2616: 	    }
                   2617: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2618: 	}
1.175     sakharuk 2619: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2620: 	$result .= '\end{document}';      	
1.140     sakharuk 2621:     }
                   2622: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2623: 
                   2624:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2625: 
                   2626:     if ($do_postprocessing) {
                   2627: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2628: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2629: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2630: 	#if ($numberofcolumns == 1) {
1.451     albertel 2631: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2632: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2633: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2634: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2635: 	#}
                   2636:     }
1.367     foxr     2637: 
1.515     foxr     2638:     # Set URLback if this is a construction space print so we can provide
                   2639:     # a link to the resource being edited.
                   2640:     #
1.274     sakharuk 2641: 
1.276     sakharuk 2642:     my $URLback=''; #link to original document
1.510     albertel 2643:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2644: 	#prints resource from the construction space
                   2645: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2646: 	if ($URLback=~/([^?]+)/) {
                   2647: 	    $URLback=$1;
                   2648: 	    $URLback=~s|^/~|/priv/|;
                   2649: 	}
1.276     sakharuk 2650:     }
1.556     foxr     2651:     #
                   2652:     # Final adjustment of the font size:
                   2653:     #
                   2654: 
                   2655:     $result = set_font_size($result);
1.375     foxr     2656: 
1.525     www      2657: #-- writing .tex file in prtspool 
                   2658:     my $temp_file;
                   2659:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2660:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2661:     if (!($#print_array>0)) { 
                   2662:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2663: 	  $r->log_error("Couldn't open $filename for output $!");
                   2664: 	  return SERVER_ERROR; 
                   2665:        }
                   2666:        print $temp_file $result;
                   2667:        my $begin=index($result,'\begin{document}',0);
                   2668:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2669:     } else {
1.525     www      2670:        my $begin=index($result,'\begin{document}',0);
                   2671:        my $inc=substr($result,0,$begin+16);
                   2672:        for (my $i=0;$i<=$#print_array;$i++) {
                   2673: 	  if ($i==0) {
                   2674: 	      $print_array[$i]=$result;
                   2675: 	  } else {
                   2676: 	      $print_array[$i].='\end{document}';
                   2677: 	      $print_array[$i] = 
                   2678: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2679: 				   $selectionmade, 
                   2680: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2681: 	    
1.525     www      2682: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2683: 	      substr($print_array[$i],0,$anobegin)='';
                   2684: 	      $print_array[$i]=$inc.$print_array[$i];
                   2685: 	  }
                   2686: 	  my $temp_file;
                   2687: 	  my $newfilename=$filename;
                   2688: 	  my $num=$i+1;
                   2689: 	  $newfilename =~s/\.tex$//; 
                   2690: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2691: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2692: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2693: 	      return SERVER_ERROR; 
                   2694: 	  }
                   2695: 	  print $temp_file $print_array[$i];
                   2696:        }
                   2697:     }
                   2698:     my $student_names='';
                   2699:     if ($#print_array>0) {
                   2700:         for (my $i=0;$i<=$#print_array;$i++) {
                   2701:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2702: 	}
1.525     www      2703:     } else {
                   2704: 	if ($#student_names>-1) {
                   2705: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2706: 	} else {
1.525     www      2707:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2708: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2709: 				    $env{'request.course.sec'},$fullname).
                   2710: 					'_ENDPERSON_'.'_END_';
                   2711: 	}
1.525     www      2712:      }
1.515     foxr     2713: 	
1.525     www      2714:      # logic for now is too complex to trace if this has been defined
                   2715:      #  yet.
                   2716:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2717:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2718:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2719: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2720: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2721: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2722: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2723: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2724: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2725: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2726: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2727: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2728: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2729:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2730: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2731: 				"cgi.$identifier.courseid" => $cnum, 
                   2732: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2733: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2734: 	
1.525     www      2735:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2736:     my $continue_text = &mt('Continue');
1.525     www      2737:     # If there's been an unrecoverable SSI error, report it to the user
                   2738:     if ($ssi_error) {
                   2739:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2740:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2741:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2742:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2743:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2744:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2745:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2746:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2747:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2748:     } else {
1.515     foxr     2749: 	$r->print(<<FINALEND);
1.317     albertel 2750: <br />
1.288     albertel 2751: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2752: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2753: $end_page
1.140     sakharuk 2754: FINALEND
1.528     raeburn  2755:     }                                     # endif ssi errors.
1.140     sakharuk 2756: }
                   2757: 
1.288     albertel 2758: 
                   2759: sub get_CODE {
1.381     albertel 2760:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2761:     my $max='1'.'0'x$size;
                   2762:     my $newcode;
                   2763:     while(1) {
1.392     albertel 2764: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2765: 	if (!exists($$all_codes{$newcode})) {
                   2766: 	    $$all_codes{$newcode}=1;
1.381     albertel 2767: 	    if ($type eq 'number' ) {
                   2768: 		return $newcode;
                   2769: 	    } else {
                   2770: 		return &num_to_letters($newcode);
                   2771: 	    }
1.288     albertel 2772: 	}
                   2773:     }
                   2774: }
1.140     sakharuk 2775: 
1.284     albertel 2776: sub print_resources {
1.360     albertel 2777:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2778: 	$LaTeXwidth)=@_;
1.284     albertel 2779:     my $current_output = ''; 
1.375     foxr     2780:     my $printed = '';
1.284     albertel 2781:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2782:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2783:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2784:     if ($person =~ 'anon') {
1.492     foxr     2785: 	$namepostfix .="Name: ";
1.288     albertel 2786: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2787:     }
1.444     foxr     2788:     #  Fullname may have special latex characters that need \ prefixing:
                   2789:     #
                   2790: 
1.350     foxr     2791:     my $i           = 0;
1.284     albertel 2792:     #goes through all resources, checks if they are available for 
                   2793:     #current student, and produces output   
1.428     albertel 2794: 
                   2795:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2796:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2797:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2798:     #
1.441     foxr     2799:     #   end each student with a 
1.440     foxr     2800:     #   Special that allows the post processor to even out the page
                   2801:     #   counts later.  Nasty problem this... it would be really
                   2802:     #   nice to put the special in as a postscript comment
1.441     foxr     2803:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2804:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2805:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2806:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2807:     #
1.568     foxr     2808:     my $syllabus_first = 0;
1.284     albertel 2809:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2810: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2811: 	    if($i != 0) {
                   2812: 		$current_output.= "\\newpage\n";
                   2813: 	    }
                   2814: 	}
                   2815: 	$i++;
1.511     foxr     2816: 
1.284     albertel 2817: 	if ( !($type eq 'problems' && 
                   2818: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2819: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2820: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2821: 		if ($res_url!~m|^ext/|
1.413     albertel 2822: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2823: 		    $printed .= $curresline.':';
1.428     albertel 2824: 		    &Apache::lonxml::remember_problem_counter();    
                   2825: 
1.526     www      2826: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2827: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2828: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2829: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2830: 			my %answerenv = %{$moreenv};
                   2831: 			$answerenv{'answer_output_mode'}='tex';
                   2832: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2833: 			
                   2834: 			&Apache::lonxml::restore_problem_counter();
                   2835: 
1.380     foxr     2836: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2837: 
1.305     sakharuk 2838: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2839: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2840: 			} else {
1.423     foxr     2841: 
                   2842: 			    
                   2843: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2844: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2845: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2846: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2847: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2848: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2849: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2850: 			    $body     = &encapsulate_minipage($body);
                   2851: 			    $rendered = $header.$body;
1.305     sakharuk 2852: 			}
                   2853: 		    }
1.511     foxr     2854: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2855: 			my $url = &Apache::lonnet::clutter($res_url);
                   2856: 			my $annotation = &annotate($url);
                   2857: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2858: 		    }
1.562     foxr     2859: 		    my $junk;
1.305     sakharuk 2860: 		    if ($remove_latex_header eq 'YES') {
                   2861: 			$rendered = &latex_header_footer_remove($rendered);
                   2862: 		    } else {
                   2863: 			$rendered =~ s/\\end{document}//;
                   2864: 		    }
                   2865: 		    $current_output .= $rendered;		    
1.456     raeburn  2866: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     2867: 		    if ($i == 1) {
                   2868: 			$syllabus_first = 1;
                   2869: 		    }
1.375     foxr     2870: 		    $printed .= $curresline.':';
1.528     raeburn  2871: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2872: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2873: 			my $url = &Apache::lonnet::clutter($res_url);
                   2874: 			my $annotation = &annotate($url);
                   2875: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2876: 		    }
1.305     sakharuk 2877: 		    if ($remove_latex_header eq 'YES') {
                   2878: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2879: 		    } else {
1.305     sakharuk 2880: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2881: 		    }
1.421     foxr     2882: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2883: 		} elsif($res_url = ~/\.pdf$/) {
                   2884: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2885: 		    my $rendered  = &include_pdf($url);
                   2886: 		    if ($remove_latex_header ne 'NO') {
                   2887: 			$rendered = &latex_header_footer_remove($rendered);
                   2888: 		    }
                   2889: 		    $current_output .= $rendered;
1.284     albertel 2890: 		} else {
1.414     albertel 2891: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2892: 		    if ($remove_latex_header ne 'NO') {
                   2893: 			$rendered = &latex_header_footer_remove($rendered);
                   2894: 		    } else {
                   2895: 			$rendered =~ s/\\end{document}//;
                   2896: 		    }
                   2897: 		    $current_output .= $rendered;
1.284     albertel 2898: 		}
                   2899: 	    }
                   2900: 	    $remove_latex_header = 'YES';
1.550     foxr     2901: 	} 
1.331     albertel 2902: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2903:     }
1.552     foxr     2904: 
                   2905: 
1.284     albertel 2906:     my $courseidinfo = &get_course();
                   2907:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2908:     my $header_line =
1.486     foxr     2909: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     2910: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 2911:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2912: 	                                         : '\fancyhead[LO]';
                   2913:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     2914:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 2915: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     2916:     } elsif ($syllabus_first) {
                   2917: 
                   2918: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 2919:     } else {
1.476     albertel 2920: 	my $blankpages = 
                   2921: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2922: 	    
                   2923: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2924: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2925: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2926: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2927:     }
1.440     foxr     2928:     #
                   2929:     #  Close the student bracketing.
                   2930:     #
1.375     foxr     2931:     return ($current_output,$fullname, $printed);
1.284     albertel 2932: 
                   2933: }
1.140     sakharuk 2934: 
1.3       sakharuk 2935: sub handler {
                   2936: 
                   2937:     my $r = shift;
1.397     albertel 2938:     
                   2939:     &init_perm();
1.114     bowersj2 2940: 
1.416     foxr     2941: 
1.67      www      2942: 
1.397     albertel 2943:     my $helper = printHelper($r);
                   2944:     if (!ref($helper)) {
                   2945: 	return $helper;
1.60      sakharuk 2946:     }
1.177     sakharuk 2947:    
1.184     sakharuk 2948: 
1.454     foxr     2949:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2950:  
1.416     foxr     2951: 
1.350     foxr     2952: 
                   2953: 
1.367     foxr     2954:     #  If a figure conversion queue file exists for this user.domain
                   2955:     # we delete it since it can only be bad (if it were good, printout.pl
                   2956:     # would have deleted it the last time around.
                   2957: 
1.373     albertel 2958:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2959:     if(-e $conversion_queuefile) {
                   2960: 	unlink $conversion_queuefile;
                   2961:     }
1.515     foxr     2962:     
                   2963: 
1.184     sakharuk 2964:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2965:     return OK;
1.60      sakharuk 2966: } 
1.2       sakharuk 2967: 
1.131     bowersj2 2968: use Apache::lonhelper;
1.130     sakharuk 2969: 
1.223     bowersj2 2970: sub addMessage {
                   2971:     my $text = shift;
                   2972:     my $paramHash = Apache::lonhelper::getParamHash();
                   2973:     $paramHash->{MESSAGE_TEXT} = $text;
                   2974:     Apache::lonhelper::message->new();
                   2975: }
                   2976: 
1.416     foxr     2977: 
1.238     bowersj2 2978: 
1.397     albertel 2979: sub init_perm {
                   2980:     undef(%perm);
                   2981:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2982:     if (!$perm{'pav'}) {
                   2983: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2984: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2985:     }
1.465     albertel 2986:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2987:     if (!$perm{'pfo'}) {
                   2988: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2989: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2990:     }
                   2991: }
                   2992: 
1.507     albertel 2993: sub get_randomly_ordered_warning {
                   2994:     my ($helper,$map) = @_;
                   2995: 
                   2996:     my $message;
                   2997: 
                   2998:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   2999:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3000:     if (defined($navmap)) {
                   3001:         my $res = $navmap->getResourceByUrl($map);
                   3002:         if ($res) {
                   3003: 	    my $func = 
                   3004: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3005: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3006: 	    if (@matches) {
                   3007: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3008: 	    }
                   3009:         }
                   3010:         if ($message) {
                   3011: 	    return '<message type="warning">'.$message.'</message>';
                   3012:         }
                   3013:     } else {
                   3014:         $message = "Retrieval of information about ordering of resources failed."; 
                   3015:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3016:     }
                   3017:     return;
                   3018: }
                   3019: 
1.131     bowersj2 3020: sub printHelper {
1.115     bowersj2 3021:     my $r = shift;
                   3022: 
                   3023:     if ($r->header_only) {
1.373     albertel 3024:         if ($env{'browser.mathml'}) {
1.241     www      3025:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3026:         } else {
1.241     www      3027:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3028:         }
                   3029:         $r->send_http_header;
                   3030:         return OK;
1.115     bowersj2 3031:     }
                   3032: 
1.131     bowersj2 3033:     # Send header, nocache
1.373     albertel 3034:     if ($env{'browser.mathml'}) {
1.241     www      3035:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3036:     } else {
1.241     www      3037:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3038:     }
                   3039:     &Apache::loncommon::no_cache($r);
                   3040:     $r->send_http_header;
                   3041:     $r->rflush();
                   3042: 
1.131     bowersj2 3043:     # Unfortunately, this helper is so complicated we have to
                   3044:     # write it by hand
                   3045: 
                   3046:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3047:     
1.176     bowersj2 3048:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3049:     $helper->declareVar('symb');
1.156     bowersj2 3050:     $helper->declareVar('postdata');    
1.290     sakharuk 3051:     $helper->declareVar('curseed'); 
                   3052:     $helper->declareVar('probstatus');   
1.156     bowersj2 3053:     $helper->declareVar('filename');
                   3054:     $helper->declareVar('construction');
1.178     sakharuk 3055:     $helper->declareVar('assignment');
1.262     sakharuk 3056:     $helper->declareVar('style_file');
1.340     foxr     3057:     $helper->declareVar('student_sort');
1.363     foxr     3058:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3059:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3060:     $helper->declareVar("showallfoils");
1.483     foxr     3061:     $helper->declareVar("STUDENTS");
1.363     foxr     3062: 
1.518     foxr     3063: 
                   3064:    
                   3065: 
                   3066: 
1.363     foxr     3067:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     3068:     # But we only do this in the initial state so that they are allowed to change.
                   3069:     #
1.366     foxr     3070: 
1.416     foxr     3071:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     3072:     
                   3073:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3074: 						{'pagebreaks'  => 'scalar',
                   3075: 					         'lastprinttype' => 'scalar'});
                   3076:     
1.483     foxr     3077:     # This will persistently load in the data we want from the
                   3078:     # very first screen.
1.394     foxr     3079:     
                   3080:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3081: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3082: 	    
                   3083: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3084: 	} else {
                   3085: 	    my $state = $env{"form.CURRENT_STATE"};
                   3086: 	    if ($state eq "START") {
                   3087: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3088: 	    }
                   3089: 	}
                   3090: 	
1.366     foxr     3091:     }
1.481     albertel 3092: 
1.156     bowersj2 3093:     # Detect whether we're coming from construction space
1.373     albertel 3094:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3095:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3096:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3097:     } else {
1.373     albertel 3098:         if ($env{'form.postdata'}) {
                   3099:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3100: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3101: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3102: 	    }
1.156     bowersj2 3103:         }
1.373     albertel 3104:         if ($env{'form.symb'}) {
                   3105:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3106:         }
1.373     albertel 3107:         if ($env{'form.url'}) {
1.156     bowersj2 3108:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3109:         }
1.416     foxr     3110: 
1.157     bowersj2 3111:     }
1.481     albertel 3112: 
1.373     albertel 3113:     if ($env{'form.symb'}) {
                   3114:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3115:     }
1.373     albertel 3116:     if ($env{'form.url'}) {
1.140     sakharuk 3117:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3118: 
1.140     sakharuk 3119:     }
1.343     albertel 3120:     $helper->{VARS}->{'symb'}=
                   3121: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3122:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3123:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3124: 
1.156     bowersj2 3125:     
1.146     bowersj2 3126:     # Extract map
                   3127:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3128:     my ($map, $id, $url);
                   3129:     my $subdir;
1.483     foxr     3130:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3131: 
                   3132:     # Get the resource name from construction space
                   3133:     if ($helper->{VARS}->{'construction'}) {
                   3134:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3135:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3136:         $subdir = substr($helper->{VARS}->{'filename'},
                   3137:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3138:     } else {
1.562     foxr     3139: 	# From course space:
                   3140: 
1.482     albertel 3141: 	if ($symb ne '') {
                   3142: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3143: 	    $helper->{VARS}->{'postdata'} = 
                   3144: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3145: 	} else {
                   3146: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3147: 	    $is_published=1;	# From resource space.
1.482     albertel 3148: 	}
                   3149: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3150:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3151:             my $postdata = $helper->{VARS}->{'postdata'};
                   3152:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3153:         }
                   3154:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3155:     }
1.373     albertel 3156:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3157: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3158:     }
1.373     albertel 3159:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3160: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3161:     }
1.115     bowersj2 3162: 
1.192     bowersj2 3163:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3164: 
1.481     albertel 3165:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3166: 
1.131     bowersj2 3167:     # "Delete everything after the last slash."
1.119     bowersj2 3168:     $subdir =~ s|/[^/]+$||;
                   3169: 
1.131     bowersj2 3170:     # What can be printed is a very dynamic decision based on
                   3171:     # lots of factors. So we need to dynamically build this list.
                   3172:     # To prevent security leaks, states are only added to the wizard
                   3173:     # if they can be reached, which ensures manipulating the form input
                   3174:     # won't allow anyone to reach states they shouldn't have permission
                   3175:     # to reach.
                   3176: 
                   3177:     # printChoices is tracking the kind of printing the user can
                   3178:     # do, and will be used in a choices construction later.
                   3179:     # In the meantime we will be adding states and elements to
                   3180:     # the helper by hand.
                   3181:     my $printChoices = [];
                   3182:     my $paramHash;
1.130     sakharuk 3183: 
1.240     albertel 3184:     if ($resourceTitle) {
1.458     www      3185:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3186:     }
                   3187: 
1.238     bowersj2 3188:     # Useful filter strings
1.540     raeburn  3189:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3190:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3191:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3192:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3193:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3194:     my $isMap = '$res->is_map()';
1.342     albertel 3195:     my $symbFilter = '$res->shown_symb()';
                   3196:     my $urlValue = '$res->link()';
1.238     bowersj2 3197: 
                   3198:     $helper->declareVar('SEQUENCE');
                   3199: 
1.465     albertel 3200:     # If we're in a sequence...
1.416     foxr     3201: 
1.465     albertel 3202:     my $start_new_option;
                   3203:     if ($perm{'pav'}) {
                   3204: 	$start_new_option = 
                   3205: 	    "<option text='".&mt('Start new page<br />before selected').
                   3206: 	    "' variable='FINISHPAGE' />";
                   3207:     }
1.238     bowersj2 3208: 
1.562     foxr     3209:     # If not construction space user can print the components of a page:
                   3210: 
                   3211:     my $page_ispage;
                   3212:     my $page_title;
                   3213:     if (!$helper->{VARS}->{'construction'}) {
                   3214: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3215: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3216: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3217: 	if (defined($page_navmap)) {
                   3218: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3219: 	    if(defined($page_resources[0])) {
                   3220: 		$page_ispage       = $page_resources[0]->is_page();
                   3221: 		$page_title     = $page_resources[0]->title();
                   3222: 		my $resourcesymb   = $page_resources[0]->symb();
                   3223: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3224: 		if ($page_ispage) {
                   3225: 		    push @{$printChoices}, 
                   3226: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3227: 		     'map_problems_in_page', 
                   3228: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3229: 		    push @{$printChoices}, 
                   3230: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3231: 		     'map_resources_in_page', 
                   3232: 		     'CHOOSE_RESOURCES_PAGE'];
                   3233: 		}
1.562     foxr     3234:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3235: 							'Select Problem(s) to print',
                   3236: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3237: 							'RESOURCES',
                   3238: 							'PAGESIZE',
                   3239: 							$url,
                   3240: 							$isProblem, '',  $symbFilter,
                   3241: 							$start_new_option);
                   3242: 
                   3243: 
                   3244:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3245: 						    'Select Resource(s) to print',
                   3246: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3247: 						    'RESOURCES',
                   3248: 						    'PAGESIZE',
                   3249: 						    $url,
                   3250: 						    $isNotMap, '', $symbFilter,
                   3251: 						    $start_new_option);
                   3252: 
                   3253: 						    
                   3254: 
                   3255: 
                   3256: 
                   3257: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3258: 	
1.563     foxr     3259: 	    }
                   3260: 	}
1.562     foxr     3261:     }
                   3262: 
                   3263:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3264: 	$helper->{VARS}->{'postdata'} &&
                   3265: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3266:         # Allow problems from sequence
1.562     foxr     3267:         push @{$printChoices}, 
                   3268: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3269: 	     'map_problems', 
                   3270: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3271:         # Allow all resources from sequence
1.562     foxr     3272:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3273: 				'map_problems_pages', 
                   3274: 				'CHOOSE_PROBLEMS_HTML'];
                   3275:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3276: 							'Select Problem(s) to print',
                   3277: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3278: 							'RESOURCES',
                   3279: 							'PAGESIZE',
                   3280: 							$map,
                   3281: 							$isProblem, '',
                   3282: 							$symbFilter,
                   3283: 							$start_new_option);
                   3284: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3285: 						      'Select Resource(s) to print',
                   3286: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3287: 						      'RESOURCES',
                   3288: 						      'PAGESIZE',
                   3289: 						      $map,
                   3290: 						      $isNotMap, '',
                   3291: 						      $symbFilter,
                   3292: 						      $start_new_option);
1.121     bowersj2 3293: 
1.326     sakharuk 3294: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3295:     }
                   3296: 
1.546     bisitz   3297:     # If the user has pfo (print for others) allow them to print all 
                   3298:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3299:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3300:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3301:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3302: 
1.509     albertel 3303:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3304: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3305: 	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     3306: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3307:   <state name="STUDENTS1" title="Select People">
                   3308:       <message><b>Select sorting order of printout</b> </message>
                   3309:     <choices variable='student_sort'>
                   3310:       <choice computer='0'>Sort by section then student</choice>
                   3311:       <choice computer='1'>Sort by students across sections.</choice>
                   3312:     </choices>
                   3313:       <message><br /><hr /><br /> </message>
                   3314:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3315:   </state>
1.284     albertel 3316: ALL_PROBLEMS
1.562     foxr     3317:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3318: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3319: 							      'SelectProblem(s) to print',
                   3320: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3321: 							      'RESOURCES',
                   3322: 							      'PAGESIZE',
                   3323: 							      '',
                   3324: 							      $isProblemOrMap, $isNotMap,
                   3325: 							      $symbFilter,
                   3326: 							      $start_new_option) .
                   3327: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3328: 							      'Select Resource(s) to print',
                   3329: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3330: 							      'RESOURCES',
                   3331: 							      'PAGESIZE',
                   3332: 							      '',
                   3333: 							      $isNotMap,'',$symbFilter,
                   3334: 							      $start_new_option) .
                   3335: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3336: 							      'Select Problem(s) to print',
                   3337: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3338: 							      'RESOURCES',
                   3339: 							      'STUDENTS1',
                   3340: 							      '',
                   3341: 							      $isProblemOrMap,'' , $symbFilter,
                   3342: 							      $start_new_option) .
                   3343: 				     $suffixXml
                   3344: 				   );
1.132     bowersj2 3345: 
1.284     albertel 3346: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3347: 
                   3348: 	    # If we were looking at a page, allow a selection of problems from the page
                   3349: 	    # either for selected students or for coded assignments.
                   3350: 
                   3351: 	    if ($page_ispage) {
                   3352: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3353: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3354: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3355: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3356: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3357: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3358: 	    }
                   3359: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3360: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3361: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3362: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3363: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3364: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3365: 	}
1.424     foxr     3366: 
1.507     albertel 3367: 	my $randomly_ordered_warning = 
                   3368: 	    &get_randomly_ordered_warning($helper,$map);
                   3369: 
1.424     foxr     3370: 	# resource_selector will hold a few states that:
                   3371: 	#   - Allow resources to be selected for printing.
                   3372: 	#   - Determine pagination between assignments.
                   3373: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3374:         # TODO:
                   3375: 	#    Probably good to do things like separate this up into several vars, each
                   3376: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3377: 	#    and next states for better mix and match capability
                   3378: 	#
1.562     foxr     3379: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3380: 							  'Select resources to print',
                   3381: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3382: 							  'RESOURCES', 
                   3383: 							  'PRINT_FORMATTING',
1.568.2.1  raeburn  3384: 							  $map,
1.562     foxr     3385: 							  $isProblem, '', $symbFilter,
                   3386: 							  $start_new_option);
                   3387: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3388:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3389:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3390:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3391:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3392:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3393:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3394:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3395:     </choices>
1.424     foxr     3396:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3397:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3398:     <choices variable="SPLIT_PDFS">
                   3399:        <choice computer="all">All assignments in a single PDF file</choice>
                   3400:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3401:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3402:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3403:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3404:     </choices>
1.424     foxr     3405:     </state>
1.284     albertel 3406: RESOURCE_SELECTOR
1.562     foxr     3407:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3408: 							'Select Problem(s) to print',
                   3409: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3410: 							'RESOURCES',
                   3411: 							'PRINT_FORMATTING',
                   3412: 							$url,
                   3413: 							$isProblem, '',  $symbFilter,
                   3414: 							$start_new_option);
                   3415: 
                   3416: 
                   3417: # Generate student choosers.
                   3418: 
                   3419: 
1.284     albertel 3420: 
1.562     foxr     3421:         &Apache::lonxml::xmlparse($r, 'helper',
                   3422: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3423: 							    'student_sort',
                   3424: 							    'STUDENTS',
                   3425: 							    'CHOOSE_STUDENTS_PAGE'));
                   3426: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3427: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3428: 							    'student_sort',
                   3429: 							    'STUDENTS',
                   3430: 							    'SELECT_PROBLEMS'));
                   3431: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3432: 
1.373     albertel 3433: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3434: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3435:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3436: 	my $namechoice='<choice></choice>';
1.337     albertel 3437: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3438: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3439: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3440: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3441: 	}
1.389     foxr     3442: 
                   3443: 
                   3444: 	my %code_values;
1.405     albertel 3445: 	my %codes_to_print;
1.411     albertel 3446: 	foreach my $key (@names) {
1.389     foxr     3447: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3448: 	    foreach my $key (keys(%code_values)) {
                   3449: 		$codes_to_print{$key} = 1;
1.388     foxr     3450: 	    }
                   3451: 	}
1.389     foxr     3452: 
1.452     albertel 3453: 	my $code_selection;
1.405     albertel 3454: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3455: 	    my $choice  = $code;
                   3456: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3457: 		$choice = &letters_to_num($code);
                   3458: 	    }
1.432     albertel 3459: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3460: 	}
1.436     albertel 3461: 	if (%codes_to_print) {
                   3462: 	    $code_selection .='   
1.472     albertel 3463: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3464: 		<message></td><td></message>
1.452     albertel 3465: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3466:                   <choice></choice>
1.448     albertel 3467:                   <exec>
                   3468:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3469:                   </exec>
1.452     albertel 3470: 		</dropdown>
1.468     foxr     3471: 	    <message></td></tr><tr><td></message>
1.436     albertel 3472:             '.$/;
1.448     albertel 3473: 
1.436     albertel 3474: 	}
1.432     albertel 3475: 
1.542     raeburn  3476:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3477: 	my $codechoice='';
1.542     raeburn  3478: 	foreach my $line (@lines) {
1.381     albertel 3479: 	    my ($name,$description,$code_type,$code_length)=
                   3480: 		(split(/:/,$line))[0,1,2,4];
                   3481: 	    if ($code_length > 0 && 
                   3482: 		$code_type =~/^(letter|number|-1)/) {
                   3483: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3484: 	    }
                   3485: 	}
                   3486: 	if ($codechoice eq '') {
                   3487: 	    $codechoice='<choice computer="default">Default</choice>';
                   3488: 	}
1.562     foxr     3489: 	my $anon1 = &generate_code_selector($helper, 
                   3490: 					    'CHOOSE_ANON1',
                   3491: 					    'SELECT_PROBLEMS',
                   3492: 					    $codechoice,
                   3493: 					    $code_selection,
                   3494: 					    $namechoice) . $resource_selector;
                   3495: 					    
                   3496: 					    
                   3497:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3498: 
                   3499: 	my $anon_page = &generate_code_selector($helper,
                   3500: 						'CHOOSE_ANON1_PAGE',
                   3501: 						'SELECT_PROBLEMS_PAGE',
                   3502: 						$codechoice,
                   3503: 						$code_selection,
                   3504: 						$namechoice) .
                   3505: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3506: 						   'Select Problem(s) to print',
                   3507: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3508: 						   'RESOURCES',
                   3509: 						   'PRINT_FORMATTING',
                   3510: 						   $url,
                   3511: 						   $isProblem, '',  $symbFilter,
                   3512: 						   $start_new_option);
                   3513: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3514: 
1.272     sakharuk 3515: 
1.254     sakharuk 3516: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3517: 	    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'];
                   3518: 	    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 3519: 	}
1.284     albertel 3520: 	    
                   3521: 
                   3522: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3523:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3524:     $randomly_ordered_warning
1.424     foxr     3525:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3526:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3527:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3528:               closeallpages="1">
1.254     sakharuk 3529:       <filterfunc>return $isNotMap;</filterfunc>
                   3530:       <mapurl>$map</mapurl>
                   3531:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3532:       $start_new_option
1.254     sakharuk 3533:       </resource>
1.424     foxr     3534:     </state>
1.562     foxr     3535: 
1.424     foxr     3536:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3537:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3538:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3539:     <choices variable="EMPTY_PAGES">
                   3540:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3541:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3542:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3543:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3544:     </choices>
1.424     foxr     3545:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3546:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3547:     <choices variable="SPLIT_PDFS">
                   3548:        <choice computer="all">All assignments in a single PDF file</choice>
                   3549:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3550:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3551:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3552:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3553:     </choices>
1.424     foxr     3554:     </state>
1.284     albertel 3555: RESOURCE_SELECTOR
                   3556: 
                   3557: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3558:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3559:     <choices variable='student_sort'>
                   3560:       <choice computer='0'>Sort by section then student</choice>
                   3561:       <choice computer='1'>Sort by students across sections.</choice>
                   3562:     </choices>
1.437     foxr     3563:     <message><br /><hr /><br /></message>
1.426     foxr     3564:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3565: 
1.424     foxr     3566:     </state>
1.284     albertel 3567:     $resource_selector
1.254     sakharuk 3568: CHOOSE_STUDENTS1
                   3569: 
1.284     albertel 3570: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3571:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3572:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3573:     <message><h4>Fill out one of the forms below</h4></message>
                   3574:     <message><br /><hr /> <br /></message>
                   3575:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3576:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3577:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3578:        <validator>
                   3579: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3580: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3581: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3582: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3583: 	    return "You need to specify the number of assignments to print";
                   3584: 	}
                   3585: 	return undef;
                   3586:        </validator>
                   3587:     </string>
                   3588:     <message></td></tr><tr><td></message>
1.501     albertel 3589:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3590:     <message></td><td></message>
                   3591:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3592:     <message></td></tr><tr><td></message>
                   3593:     <message><b>Bubble sheet type:</b></message>
                   3594:     <message></td><td></message>
                   3595:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3596:     $codechoice
                   3597:     </dropdown>
1.472     albertel 3598:     <message></td></tr><tr><td></table></message>
                   3599:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3600:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3601:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3602:         <validator>
                   3603: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3604: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3605: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3606: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3607: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3608: 	   } else {
                   3609: 	       return undef;	# Other forces control us.
                   3610: 	   }
                   3611:         </validator>
                   3612:     </string>
1.472     albertel 3613:     <message></td></tr><tr><td></message>
1.432     albertel 3614:         $code_selection
1.472     albertel 3615:     <message></td></tr></table></message>
                   3616:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3617:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3618:     <message></td><td></message>
1.294     albertel 3619:     <dropdown variable="REUSE_OLD_CODES">
                   3620:         $namechoice
                   3621:     </dropdown>
1.412     albertel 3622:     <message></td></tr></table></message>
1.424     foxr     3623:   </state>
1.284     albertel 3624:     $resource_selector
                   3625: CHOOSE_ANON2
1.481     albertel 3626:     }
                   3627: 
1.121     bowersj2 3628:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3629:     if (($perm{'pav'} 
1.482     albertel 3630: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3631: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3632: 	    ||
                   3633: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3634: 	     && 
                   3635: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3636: 	    )) 
                   3637: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3638: 	) {
                   3639: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3640:         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 3641:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3642:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3643: 
1.138     bowersj2 3644:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3645:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3646:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3647: CHOOSE_FROM_SUBDIR
                   3648:         
1.238     bowersj2 3649:         # this is broken up because I really want interpolation above,
                   3650:         # and I really DON'T want it below
1.139     bowersj2 3651:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3652:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3653: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3654:       </filefilter>
1.138     bowersj2 3655:       </files>
1.131     bowersj2 3656:     </state>
                   3657: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3658:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3659:     }
1.238     bowersj2 3660: 
                   3661:     # Allow the user to select any sequence in the course, feed it to
                   3662:     # another resource selector for that sequence
1.483     foxr     3663:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3664: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3665: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3666: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3667: 	#Escape apostrophes and backslashes for Perl
                   3668: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3669: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3670: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3671:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3672:     <message>Select the sequence to print resources from:</message>
                   3673:     <resource variable="SEQUENCE">
                   3674:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3675:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3676:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3677:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3678: 	</choicefunc>
1.238     bowersj2 3679:       </resource>
                   3680:     </state>
                   3681:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3682:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3683:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3684:               closeallpages="1">
1.238     bowersj2 3685:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3686:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3687:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3688:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3689:       $start_new_option
1.238     bowersj2 3690:       </resource>
                   3691:     </state>
                   3692: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3693: }
1.481     albertel 3694: 
1.131     bowersj2 3695:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3696:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3697:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3698:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3699:     Apache::lonhelper::message->new();
                   3700:     $paramHash = Apache::lonhelper::getParamHash();
                   3701:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3702:     $paramHash->{CHOICES} = $printChoices;
                   3703:     Apache::lonhelper::choices->new();
1.161     bowersj2 3704: 
1.223     bowersj2 3705:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3706:                           # to close it later)
                   3707: 
1.397     albertel 3708:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3709: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3710: 	&addMessage('<br />'
                   3711:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3712:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3713:                    .&Apache::lonhtmlcommon::row_title(
                   3714:                        '<label for="ANSWER_TYPE_forminput">'
                   3715:                       .&mt('Print Answers')
                   3716:                       .'</label>'
                   3717:                     )
                   3718:         );
1.161     bowersj2 3719:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3720: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3721: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3722:         $paramHash->{CHOICES} = [
1.242     sakharuk 3723:                                    ['Without Answers', 'yes'],
                   3724:                                    ['With Answers', 'no'],
1.368     albertel 3725:                                    ['Only Answers', 'only']
1.289     sakharuk 3726:                                 ];
1.210     sakharuk 3727:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3728: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3729: 	$startedTable = 1;
1.556     foxr     3730: 
                   3731: #
                   3732: #  Select font size.
                   3733: #
                   3734: 
                   3735:             $helper->declareVar('fontsize');
                   3736:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3737:             my $xmlfrag = << "FONT_SELECTION";
                   3738: 
                   3739:           
                   3740:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3741:             <defaultvalue>
                   3742: 		  return 'normalsize';
                   3743:             </defaultvalue>
                   3744:             <choice computer='tiny'>Tiny</choice>
                   3745:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3746:             <choice computer='footnotesize'>Footnote Size</choice>
                   3747:             <choice computer='small'>Small</choice>
                   3748:             <choice computer='normalsize'>Normal (default)</choice>
                   3749:             <choice computer='large'>larger than normal</choice>
                   3750:             <choice computer='Large'>Even larger than normal</choice>
                   3751:             <choice computer='LARGE'>Still larger than normal</choice>
                   3752:             <choice computer='huge'>huge font size</choice>
                   3753:             <choice computer='Huge'>Largest possible size</choice>
                   3754:             </dropdown>
                   3755: FONT_SELECTION
                   3756:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3757:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3758:     }
1.209     sakharuk 3759: 
1.397     albertel 3760:     if ($perm{'pav'}) {
1.223     bowersj2 3761: 	if (!$startedTable) {
1.497     www      3762: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3763:                        '<label for="LATEX_TYPE_forminput">'.
                   3764:                        &mt('LaTeX mode').
                   3765:                        "</label>: </td><td>");
1.223     bowersj2 3766: 	    $startedTable = 1;
                   3767: 	} else {
1.544     bisitz   3768: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3769:                            '<label for="LATEX_TYPE_forminput">'
                   3770:                            .&mt('LaTeX mode')
                   3771:                            .'</label>'
                   3772:                         )
                   3773:             );
1.223     bowersj2 3774: 	}
1.203     sakharuk 3775:         $paramHash = Apache::lonhelper::getParamHash();
                   3776: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3777: 	$helper->declareVar('LATEX_TYPE');  
                   3778: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3779: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3780: 				     ['standard LaTeX mode', 'standard'], 
                   3781: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3782: 	} else {
                   3783: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3784: 				     ['LaTeX batchmode', 'batchmode'],
                   3785: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3786: 	}
1.210     sakharuk 3787:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3788:  
1.544     bisitz   3789: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3790:                    .&Apache::lonhtmlcommon::row_title(
                   3791:                         '<label for="TABLE_CONTENTS_forminput">'
                   3792:                        .&mt('Print Table of Contents')
                   3793:                        .'</label>'
                   3794:                     )
                   3795:         );
1.209     sakharuk 3796:         $paramHash = Apache::lonhelper::getParamHash();
                   3797: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3798: 	$helper->declareVar('TABLE_CONTENTS');         
                   3799:         $paramHash->{CHOICES} = [
1.223     bowersj2 3800:                                    ['No', 'no'],
                   3801:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3802:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3803: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3804:         
1.220     sakharuk 3805: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3806: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3807:                             '<label for="TABLE_INDEX_forminput">'
                   3808:                            .&mt('Print Index')
                   3809:                            .'</label>'
                   3810:                         )
                   3811:             );
1.220     sakharuk 3812: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3813: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3814: 	    $helper->declareVar('TABLE_INDEX');         
                   3815: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3816: 				     ['No', 'no'],
                   3817: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3818: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3819:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3820:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3821:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3822:                            .&mt('Print Discussions')
                   3823:                            .'</label>'
                   3824:                         )
                   3825:             );
1.309     sakharuk 3826: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3827: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3828: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3829: 	    $paramHash->{CHOICES} = [
                   3830: 				     ['No', 'no'],
                   3831: 				     ['Yes', 'yes'] ];
                   3832: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3833:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3834: 
1.511     foxr     3835: 	    # Prompt for printing annotations too.
                   3836: 		
1.545     bisitz   3837: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3838:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3839:                            .&mt('Print Annotations')
                   3840:                            .'</label>'
                   3841:                         )
                   3842:             );
1.511     foxr     3843: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3844: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3845: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3846: 	    $paramHash->{CHOICES} = [
                   3847: 				     ['No', 'no'],
                   3848: 				     ['Yes', 'yes']];
                   3849: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3850:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3851: 
1.545     bisitz   3852:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3853: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3854: 	    $paramHash->{'multichoice'} = "true";
                   3855: 	    $paramHash->{'allowempty'}  = "true";
                   3856: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   3857: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 3858: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3859:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3860: 	}
1.219     sakharuk 3861: 
1.230     albertel 3862: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3863: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3864:             my $randseedtext=&mt("Use random seed");
                   3865:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3866:             my $selectfiletext=&mt("Select style file");
1.497     www      3867: 
1.544     bisitz   3868: 	    my $xmlfrag .= '<message>'
                   3869:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3870:                                               .$randseedtext
                   3871:                                               .'</label>'
                   3872:              )
                   3873:             .'</message>
                   3874:             <string variable="curseed" size="15" maxlength="15">
                   3875:                 <defaultvalue>
                   3876:                    return '.$helper->{VARS}->{'curseed'}.';
                   3877:                 </defaultvalue>'
                   3878:             .'</string>'
                   3879:             .'<message>'
                   3880:             .&Apache::lonhtmlcommon::row_closure()
                   3881:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3882:                                               .$stylefiletext
                   3883:                                               .'</label>'
                   3884:              )
                   3885:             .'</message>
1.504     albertel 3886:              <string variable="style_file" size="40">
1.544     bisitz   3887:                 <defaultvalue>
                   3888:                     return '.$stylevalue.';
                   3889:                 </defaultvalue>
                   3890:              </string><message>&nbsp;'
                   3891: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   3892: .$selectfiletext.'</a>'
                   3893:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   3894:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   3895:             .'</message>
1.371     foxr     3896: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   3897:                 <choice computer="1">&nbsp;</choice>
                   3898:              </choices>'
                   3899: 	    .'<message>'
                   3900:             .&Apache::lonhtmlcommon::row_closure()
                   3901:             .'</message>';
1.230     albertel 3902:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3903: 
                   3904: 
1.544     bisitz   3905:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     3906: 	    #
                   3907: 	    # Initial value from construction space:
                   3908: 	    #
                   3909: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   3910: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   3911: 	    }
1.518     foxr     3912: 	    $xmlfrag = << "PROBTYPE";
                   3913: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   3914: 		   <defaultvalue>
                   3915: 		      return "$helper->{VARS}->{'probstatus'}";
                   3916:                    </defaultvalue>
                   3917: 		   <choice computer="problem">Homework Problem</choice>
                   3918: 		   <choice computer="exam">Exam Problem</choice>
                   3919: 		   <choice computer="survey">Survey question</choice>
                   3920: 		</dropdown>
                   3921: PROBTYPE
                   3922:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   3923:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     3924: 
1.556     foxr     3925: 
                   3926: 
1.544     bisitz   3927:         }
1.223     bowersj2 3928:     }
1.264     sakharuk 3929: 
                   3930: 
                   3931: 
1.218     sakharuk 3932: 
1.223     bowersj2 3933:     if ($startedTable) {
1.544     bisitz   3934:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 3935:     }
1.161     bowersj2 3936: 
1.131     bowersj2 3937:     Apache::lonprintout::page_format_state->new("FORMAT");
                   3938: 
1.144     bowersj2 3939:     # Generate the PAGESIZE state which will offer the user the margin
                   3940:     # choices if they select one column
                   3941:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   3942:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   3943: 
                   3944: 
1.131     bowersj2 3945:     $helper->process();
                   3946: 
1.416     foxr     3947: 
1.131     bowersj2 3948:     # MANUAL BAILOUT CONDITION:
                   3949:     # If we're in the "final" state, bailout and return to handler
                   3950:     if ($helper->{STATE} eq 'FINAL') {
                   3951:         return $helper;
                   3952:     }    
1.130     sakharuk 3953: 
1.131     bowersj2 3954:     $r->print($helper->display());
1.395     www      3955:     if ($helper->{STATE} eq 'START') {
                   3956: 	&recently_generated($r);
                   3957:     }
1.333     albertel 3958:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 3959: 
                   3960:     return OK;
                   3961: }
                   3962: 
1.1       www      3963: 
                   3964: 1;
1.119     bowersj2 3965: 
                   3966: package Apache::lonprintout::page_format_state;
                   3967: 
                   3968: =pod
                   3969: 
1.131     bowersj2 3970: =head1 Helper element: page_format_state
                   3971: 
                   3972: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 3973: 
1.131     bowersj2 3974: Apache::lonprintout::page_format_state is an element that gives the 
                   3975: user an opportunity to select the page layout they wish to print 
                   3976: with: Number of columns, portrait/landscape, and paper size. If you 
                   3977: want to change the paper size choices, change the @paperSize array 
                   3978: contents in this package.
1.119     bowersj2 3979: 
1.131     bowersj2 3980: page_format_state is always directly invoked in lonprintout.pm, so there
                   3981: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 3982: 
                   3983: =over 4
                   3984: 
1.131     bowersj2 3985: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 3986: 
                   3987: =back
                   3988: 
                   3989: =cut
                   3990: 
1.131     bowersj2 3991: use Apache::lonhelper;
1.119     bowersj2 3992: 
                   3993: no strict;
1.131     bowersj2 3994: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 3995: use strict;
1.266     sakharuk 3996: use Apache::lonlocal;
1.373     albertel 3997: use Apache::lonnet;
1.119     bowersj2 3998: 
                   3999: my $maxColumns = 2;
1.376     albertel 4000: # it'd be nice if these all worked
                   4001: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4002: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4003: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4004: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4005: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4006: 		 "a4 [210x297 mm]");
1.119     bowersj2 4007: 
                   4008: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4009: #                   Paper type
                   4010: 
                   4011: sub new { 
1.131     bowersj2 4012:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4013: 
1.135     bowersj2 4014:     shift;
                   4015: 
1.131     bowersj2 4016:     $self->{'variable'} = shift;
1.134     bowersj2 4017:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4018:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4019:     bless($self);
1.119     bowersj2 4020:     return $self;
                   4021: }
                   4022: 
                   4023: sub render {
                   4024:     my $self = shift;
1.131     bowersj2 4025:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4026:     my $result = '';
1.131     bowersj2 4027:     my $var = $self->{'variable'};
1.266     sakharuk 4028:     my $PageLayout=&mt('Page layout');
                   4029:     my $NumberOfColumns=&mt('Number of columns');
                   4030:     my $PaperType=&mt('Paper type');
1.506     albertel 4031:     my $landscape=&mt('Landscape');
                   4032:     my $portrait=&mt('Portrait');
1.556     foxr     4033:     
                   4034: 
1.544     bisitz   4035:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4036:             .&Apache::loncommon::start_data_table()
                   4037:             .&Apache::loncommon::start_data_table_header_row()
                   4038:             .'<th>'.$PageLayout.'</th>'
                   4039:             .'<th>'.$NumberOfColumns.'</th>'
                   4040:             .'<th>'.$PaperType.'</th>'
                   4041:             .&Apache::loncommon::end_data_table_header_row()
                   4042:             .&Apache::loncommon::start_data_table_row()
                   4043:     .'<td>'
                   4044:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4045:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4046:     .'</td>';
1.119     bowersj2 4047: 
1.544     bisitz   4048:     $result.='<td align="center">'
                   4049:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4050: 
                   4051:     my $i;
                   4052:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4053:         if ($i == 2) {
1.553     bisitz   4054:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4055:         } else {
1.553     bisitz   4056:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4057:         }
                   4058:     }
                   4059: 
                   4060:     $result .= "</select></td><td>\n";
                   4061:     $result .= "<select name='${var}.paper'>\n";
                   4062: 
1.373     albertel 4063:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4064:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4065:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4066:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4067:     $i = 0;
                   4068:     foreach (@paperSize) {
1.326     sakharuk 4069: 	$_=~/(\w+)/;
                   4070: 	my $papersize=$1;
1.304     sakharuk 4071:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4072:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4073:         } else {
1.553     bisitz   4074:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4075:         }
                   4076:         $i++;
                   4077:     }
1.539     onken    4078:     $result .= <<HTML;
                   4079:         </select>
1.568.2.2  raeburn  4080:         <hidden name="${var}.pdfFormFields" value="no" />
1.539     onken    4081:     </td>
                   4082: HTML
1.544     bisitz   4083:     $result.=&Apache::loncommon::end_data_table_row()
                   4084:             .&Apache::loncommon::end_data_table();
1.539     onken    4085: 
1.119     bowersj2 4086:     return $result;
1.135     bowersj2 4087: }
                   4088: 
                   4089: sub postprocess {
                   4090:     my $self = shift;
                   4091: 
                   4092:     my $var = $self->{'variable'};
1.136     bowersj2 4093:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4094:     $helper->{VARS}->{$var} = 
1.373     albertel 4095:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4096:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4097:     return 1;
1.119     bowersj2 4098: }
                   4099: 
                   4100: 1;
1.144     bowersj2 4101: 
                   4102: package Apache::lonprintout::page_size_state;
                   4103: 
                   4104: =pod
                   4105: 
                   4106: =head1 Helper element: page_size_state
                   4107: 
                   4108: See lonhelper.pm documentation for discussion of the helper framework.
                   4109: 
                   4110: Apache::lonprintout::page_size_state is an element that gives the 
                   4111: user the opportunity to further refine the page settings if they
                   4112: select a single-column page.
                   4113: 
                   4114: page_size_state is always directly invoked in lonprintout.pm, so there
                   4115: is no tag interface. You actually pass parameters to the constructor.
                   4116: 
                   4117: =over 4
                   4118: 
                   4119: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4120: 
                   4121: =back
                   4122: 
                   4123: =cut
                   4124: 
                   4125: use Apache::lonhelper;
1.373     albertel 4126: use Apache::lonnet;
1.144     bowersj2 4127: no strict;
                   4128: @ISA = ("Apache::lonhelper::element");
                   4129: use strict;
                   4130: 
                   4131: 
                   4132: 
                   4133: sub new { 
                   4134:     my $self = Apache::lonhelper::element->new();
                   4135: 
                   4136:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4137:            # package descriptor)... - Jeremy
                   4138: 
                   4139:     $self->{'variable'} = shift;
                   4140:     my $helper = Apache::lonhelper::getHelper();
                   4141:     $helper->declareVar($self->{'variable'});
                   4142: 
                   4143:     # The variable name of the format element, so we can look into 
                   4144:     # $helper->{VARS} to figure out whether the columns are one or two
                   4145:     $self->{'formatvar'} = shift;
                   4146: 
1.463     foxr     4147: 
1.144     bowersj2 4148:     $self->{NEXTSTATE} = shift;
                   4149:     bless($self);
1.467     foxr     4150: 
1.144     bowersj2 4151:     return $self;
                   4152: }
                   4153: 
                   4154: sub render {
                   4155:     my $self = shift;
                   4156:     my $helper = Apache::lonhelper::getHelper();
                   4157:     my $result = '';
                   4158:     my $var = $self->{'variable'};
                   4159: 
1.467     foxr     4160: 
                   4161: 
1.144     bowersj2 4162:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4163:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4164:     }
                   4165: 
1.438     foxr     4166:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4167: 
                   4168:     # Use format to get sensible defaults for the margins:
                   4169: 
                   4170: 
                   4171:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4172:     ($papersize)                      = split(/ /, $papersize);
                   4173: 
1.559     foxr     4174:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4175: 
                   4176: 
                   4177: 
1.464     albertel 4178:     my %size;
                   4179:     ($size{'width_and_units'},
                   4180:      $size{'height_and_units'},
                   4181:      $size{'margin_and_units'})=
                   4182: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4183:     
1.464     albertel 4184:     foreach my $dimension ('width','height','margin') {
                   4185: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4186: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4187:        	
                   4188: 	foreach my $unit ('cm','in') {
                   4189: 	    $size{$dimension.'_options'} .= '<option ';
                   4190: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4191: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4192: 	    }
                   4193: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4194: 	}
1.438     foxr     4195:     }
                   4196: 
1.470     foxr     4197:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4198: 
                   4199:     if ($size{'margin_unit'} eq 'in') {
                   4200: 	$size{'margin'} += 1;
                   4201:     }  else {
                   4202: 	$size{'margin'} += 2.54;
                   4203:     }
1.548     bisitz   4204:     my %lt = &Apache::lonlocal::texthash(
                   4205:         'format' => 'How should each column be formatted?',
                   4206:         'width'  => 'Width',
                   4207:         'height' => 'Height',
                   4208:         'margin' => 'Left Margin'
                   4209:     );
                   4210: 
                   4211:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4212:               .&Apache::lonhtmlcommon::start_pick_box()
                   4213:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4214:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4215:               .'<select name="'.$var.'.widthunit">'
                   4216:               .$size{'width_options'}
                   4217:               .'</select>'
                   4218:               .&Apache::lonhtmlcommon::row_closure()
                   4219:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4220:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4221:               .'<select name="'.$var.'.heightunit">'
                   4222:               .$size{'height_options'}
                   4223:               .'</select>'
                   4224:               .&Apache::lonhtmlcommon::row_closure()
                   4225:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4226:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4227:               .'<select name="'.$var.'.lmarginunit">'
                   4228:               .$size{'margin_options'}
                   4229:               .'</select>'
                   4230:               .&Apache::lonhtmlcommon::row_closure(1)
                   4231:               .&Apache::lonhtmlcommon::end_pick_box();
                   4232:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4233:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4234: 
                   4235:     return $result;
                   4236: }
                   4237: 
1.470     foxr     4238: 
1.144     bowersj2 4239: sub preprocess {
                   4240:     my $self = shift;
                   4241:     my $helper = Apache::lonhelper::getHelper();
                   4242: 
                   4243:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4244: 
                   4245:     #  If the user does not have 'pav' privilege, set default widths and
                   4246:     #  on to the next state right away.
                   4247:     #
                   4248:     if (!$perm{'pav'}) {
                   4249: 	my $var = $self->{'variable'};
                   4250: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4251: 	
                   4252: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4253: 	($papersize)                      = split(/ /, $papersize);
                   4254: 	
                   4255: 	
1.560     foxr     4256: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4257: 
1.467     foxr     4258: 	#  Figure out some good defaults for the print out and set them:
                   4259: 	
                   4260: 	my %size;
                   4261: 	($size{'width'},
                   4262: 	 $size{'height'},
                   4263: 	 $size{'lmargin'})=
                   4264: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4265: 	
                   4266: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4267: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4268: 	    	    
1.467     foxr     4269: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4270: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4271: 	    
                   4272: 	}
                   4273: 	
                   4274: 
                   4275: 	# Transition to the next state
                   4276: 
                   4277: 	$helper->changeState($self->{NEXTSTATE});
                   4278:     }
1.144     bowersj2 4279:    
                   4280:     return 1;
                   4281: }
                   4282: 
                   4283: sub postprocess {
                   4284:     my $self = shift;
                   4285: 
                   4286:     my $var = $self->{'variable'};
                   4287:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4288:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4289:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4290:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4291:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4292:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4293:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4294: 
                   4295:     my $error = '';
                   4296: 
                   4297:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4298:     # by an optional period, followed by digits, ending the string
                   4299: 
1.464     albertel 4300:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4301:         $error .= "Invalid width; please type only a number.<br />\n";
                   4302:     }
1.464     albertel 4303:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4304:         $error .= "Invalid height; please type only a number.<br />\n";
                   4305:     }
1.464     albertel 4306:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4307:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4308:     } else {
                   4309: 	# Adjust for LaTeX 1.0 inch margin:
                   4310: 
                   4311: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4312: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4313: 	} else {
                   4314: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4315: 	}
1.144     bowersj2 4316:     }
                   4317: 
                   4318:     if (!$error) {
                   4319:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4320:         return 1;
                   4321:     } else {
                   4322:         $self->{ERROR_MSG} = $error;
                   4323:         return 0;
                   4324:     }
                   4325: }
                   4326: 
                   4327: 
1.119     bowersj2 4328: 
1.1       www      4329: __END__
1.6       sakharuk 4330: 

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