Annotation of loncom/interface/lonprintout.pm, revision 1.568.2.7

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.568.2.7! raeburn     5: # $Id: lonprintout.pm,v 1.568.2.6 2010/05/22 13:36:55 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: 
1.568.2.5  raeburn   309:     # There appear to be cases where the font directive is empty.. in which
                    310:     # case the first substituion would  insert a spurious \ oh happy day.
                    311:     # as this has been the cause of much mystery and hair pulling _sigh_
1.556     foxr      312: 
1.568.2.5  raeburn   313:     if ($font_size ne '') {
1.556     foxr      314: 
1.568.2.5  raeburn   315:         $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    316:     }
                    317:     $text =~ s/\\end{document}/}\\end{document}/;
                    318:     return $text;
1.556     foxr      319: }
                    320: 
1.550     foxr      321: # include_pdf - PDF files are included into the 
                    322: # output as follows:
                    323: #  - The PDF, if necessary, is replicated.
                    324: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    325: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    326: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    327: #
                    328: # Parameters:
                    329: #   pdf_uri   - URI of the PDF file to include.
                    330: #   
                    331: # Returns:
                    332: #  The LaTeX to include.
                    333: #
                    334: # Assumptions:
                    335: #    The uri is actually a PDF file
                    336: #    The postscript will have the includepsheader.ps included.
                    337: #
                    338: #
                    339: sub include_pdf {
                    340:     my ($pdf_uri) = @_;
                    341: 
                    342:     # Where is the file? If not local we'll need to repcopy it:'
                    343: 
                    344:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    345:     if (! -e $file) {
                    346: 	&Apache::lonnet::repcopy($file);
                    347: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    348:     }
                    349: 
                    350:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    351:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    352:     # need tob e converted for this print job:
                    353: 
                    354:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    355: 
                    356:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    357:     print FILE ("$file\n");
                    358:     close (FILE);
                    359: 
                    360:     # Construct the special to put out.  To do this we need to get the
                    361:     # resulting filename after conversion.  The file will have the same name
                    362:     # but will be in the user's spool directory with converted images.
                    363: 
                    364:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    365:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    366: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    367:     $base =~ s/ /\_/g;
                    368: 
                    369: 
1.551     foxr      370:     my $output = &print_latex_header();
1.550     foxr      371:     $output    .= '\special{ps: _begin_job_ ('
                    372: 	.$base.'.pdf.eps'.
                    373: 	')run _end_job_}';
                    374: 
                    375:     return $output;
                    376: 
                    377: 
                    378: }
                    379: 
1.515     foxr      380: 
                    381: #
1.559     foxr      382: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      383: #                      if the ssi call returns an error we'll retry it up to
                    384: #                      the number of times requested by the caller.
                    385: #                      If we still have a proble, no text is appended to the
                    386: #                      output and we set some global variables.
1.523     raeburn   387: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      388: #                      All of this is supposed to deal with the issues described
                    389: #                      in LonCAPA BZ 5631 see:
                    390: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    391: #                      by informing the user that this happened.
                    392: #
                    393: # Parameters:
                    394: #   resource   - The resource to include.  This is passed directly, without
                    395: #                interpretation to lonnet::ssi.
                    396: #   form       - The form hash parameters that guide the interpretation of the resource
                    397: #                
                    398: #   retries    - Number of retries allowed before giving up completely.
                    399: # Returns:
                    400: #   On success, returns the rendered resource identified by the resource parameter.
                    401: # Side Effects:
                    402: #   The following global variables can be set:
1.523     raeburn   403: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      404: #                               It is up to the caller to initialize this to false
                    405: #                               if desired.
1.523     raeburn   406: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      407: #                               of the resource that could not be rendered by the ssi
                    408: #                               call.
                    409: #    ssi_last_error           - The error string fetched from the ssi response
                    410: #                               in the event of an error.
                    411: #
                    412: sub ssi_with_retries {
                    413:     my ($resource, $retries, %form) = @_;
                    414: 
1.559     foxr      415:     my $target = $form{'grade_target'};
                    416:     my $aom    = $form{'answer_output_mode'};
                    417: 
                    418: 
1.515     foxr      419: 
1.516     foxr      420:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    421:     if (!$response->is_success) {
1.515     foxr      422: 	$ssi_error               = 1;
                    423: 	$ssi_last_error_resource = $resource;
1.516     foxr      424: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   425:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      426: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      427:     }
1.516     foxr      428: 
                    429:     return $content;
                    430: 
1.515     foxr      431: }
                    432: 
1.524     www       433: sub get_student_view_with_retries {
                    434:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    435: 
                    436:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    437:     if (!$response->is_success) {
                    438:         $ssi_error               = 1;
1.526     www       439:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       440:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   441:         $content='\section*{!!! An error occurred !!!}';
1.526     www       442:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       443:     }
                    444:     return $content;
                    445: 
                    446: }
                    447: 
1.486     foxr      448: #
                    449: #   printf_style_subst  item format_string repl
                    450: #  
                    451: # Does printf style substitution for a format string that
                    452: # can have %[n]item in it.. wherever, %[n]item occurs,
                    453: # rep is substituted in format_string.  Note that
                    454: # [n] is an optional integer length.  If provided,
                    455: # repl is truncated to at most [n] characters prior to 
                    456: # substitution.
                    457: #
                    458: sub printf_style_subst {
                    459:     my ($item, $format_string, $repl) = @_;
1.490     foxr      460:     my $result = "";
                    461:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  462: 	my $fmt = $1;
                    463: 	my $size = $2;
1.486     foxr      464: 	my $subst = $repl;
                    465: 	if ($size ne "") {
                    466: 	    $subst = substr($subst, 0, $size);
1.490     foxr      467: 	    
                    468: 	    #  Here's a nice edge case.. supose the end of the
                    469: 	    #  substring is a \.  In that case may have  just
                    470: 	    #  chopped off a TeX escape... in that case, we append
                    471: 	    #   " " for the trailing character, and let the field 
                    472: 	    #  spill over a bit (sigh).
                    473: 	    #  We don't just chop off the last character in order to deal
                    474: 	    #  with one last pathology, and that would be if substr had
                    475: 	    #  trimmed us to e.g. \\\  
                    476: 
                    477: 
                    478: 	    if ($subst =~ /\\$/) {
                    479: 		$subst .= " ";
                    480: 	    }
1.486     foxr      481: 	}
1.490     foxr      482: 	my $item_pos = pos($format_string);
                    483: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    484:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      485:     }
1.490     foxr      486: 
                    487:     # Put the residual format string into the result:
                    488: 
                    489:     $result .= $format_string;
                    490: 
                    491:     return $result;
1.486     foxr      492: }
                    493: 
1.454     foxr      494: 
                    495: # Format a header according to a format.  
                    496: # 
                    497: 
                    498: # Substitutions:
                    499: #     %a    - Assignment name.
                    500: #     %c    - Course name.
                    501: #     %n    - Student name.
                    502: #
                    503: sub format_page_header {
1.568.2.4  raeburn   504:     my ($width, $format, $assignment, $course, $student) = @_;
1.565     foxr      505: 
1.486     foxr      506:     $width = &recalcto_mm($width); # Get width in mm.
1.568.2.4  raeburn   507:     my $chars_per_line = int($width/2);   # Character/textline.
1.565     foxr      508: 
1.454     foxr      509:     #  Default format?
                    510: 
                    511:     if ($format eq '') {
1.486     foxr      512: 	# For the default format, we may need to truncate
                    513: 	# elements..  To do this we need to get the page width.
                    514: 	# we assume that each character is about 2mm in width.
                    515: 	# (correct for the header text size??).  We ignore
                    516: 	# any formatting (e.g. boldfacing in this).
                    517: 	# 
                    518: 	# - Allow the student/course to be one line.
                    519: 	#   but only truncate the course.
                    520: 	# - Allow the assignment to be 2 lines (wrapped).
                    521: 	#
1.565     foxr      522: 
1.568.2.4  raeburn   523:         my $firstline = "$student $course";
                    524:         if (length($firstline) > $chars_per_line) {
                    525:             my $lastchar = $chars_per_line - length($student) - 1;
                    526:             if ($lastchar > 0) {
                    527:                 $course = substr($course, 0, $lastchar);
                    528:             } else {            # Nothing left of course:
                    529:                 $course = '';
                    530:             }
                    531:         }
                    532:         if (length($assignment) > $chars_per_line) {
                    533:             $assignment = substr($assignment, 0, $chars_per_line);
                    534:         }
1.489     foxr      535: 
1.568.2.4  raeburn   536:         $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1.490     foxr      537: 
1.568.2.4  raeburn   538:     } else {
                    539:         # An open question is how to handle long user formatted page headers...
                    540:         # A possible future is to support e.g. %na so that the user can control
                    541:         # the truncation of the elements that can appear in the header.
                    542:         #
                    543:         $format =  &printf_style_subst("a", $format, $assignment);
                    544:         $format =  &printf_style_subst("c", $format, $course);
                    545:         $format =  &printf_style_subst("n", $format, $student);
                    546: 
                    547:         # If the user put %'s in the format string, they  must be escaped
                    548:         # to \% else LaTeX will think they are comments and terminate
                    549:         # the line.. which is bad!!!
1.454     foxr      550:     }
1.537     foxr      551:     
1.454     foxr      552:     return $format;
                    553: }
1.397     albertel  554: 
1.385     foxr      555: #
                    556: #   Convert a numeric code to letters
                    557: #
                    558: sub num_to_letters {
                    559:     my ($num) = @_;
                    560:     my @nums= split('',$num);
                    561:     my @num_to_let=('A'..'Z');
                    562:     my $word;
                    563:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    564:     return $word;
                    565: }
                    566: #   Convert a letter code to numeric.
                    567: #
                    568: sub letters_to_num {
                    569:     my ($letters) = @_;
                    570:     my @letters = split('', uc($letters));
1.490     foxr      571:    my %substitution;
1.385     foxr      572:     my $digit = 0;
                    573:     foreach my $letter ('A'..'J') {
                    574: 	$substitution{$letter} = $digit;
                    575: 	$digit++;
                    576:     }
                    577:     #  The substitution is done as below to preserve leading
                    578:     #  zeroes which are needed to keep the code size exact
                    579:     #
                    580:     my $result ="";
                    581:     foreach my $letter (@letters) {
                    582: 	$result.=$substitution{$letter};
                    583:     }
                    584:     return $result;
                    585: }
                    586: 
1.383     foxr      587: #  Determine if a code is a valid numeric code.  Valid
                    588: #  numeric codes must be comprised entirely of digits and
1.384     albertel  589: #  have a correct number of digits.
1.383     foxr      590: #
                    591: #  Parameters:
                    592: #     value      - proposed code value.
1.384     albertel  593: #     num_digits - Number of digits required.
1.383     foxr      594: #
                    595: sub is_valid_numeric_code {
1.384     albertel  596:     my ($value, $num_digits) = @_;
1.383     foxr      597:     #   Remove leading/trailing whitespace;
1.387     foxr      598:     $value =~ s/^\s*//g;
                    599:     $value =~ s/\s*$//g;
1.383     foxr      600:     
                    601:     #  All digits?
1.387     foxr      602:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      603: 	return "Numeric code $value has invalid characters - must only be digits";
                    604:     }
1.384     albertel  605:     if (length($value) != $num_digits) {
                    606: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    607:     }
1.385     foxr      608:     return undef;
1.383     foxr      609: }
                    610: #   Determines if a code is a valid alhpa code.  Alpha codes
                    611: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  612: #   They also have a correct digit count.
1.383     foxr      613: # Parameters:
                    614: #     value          - Proposed code value.
1.384     albertel  615: #     num_letters    - correct number of letters.
1.383     foxr      616: # Note:
                    617: #    leading and trailing whitespace are ignored.
                    618: #
                    619: sub is_valid_alpha_code {
1.384     albertel  620:     my ($value, $num_letters) = @_;
1.383     foxr      621:     
                    622:      # strip leading and trailing spaces.
                    623: 
                    624:     $value =~ s/^\s*//g;
                    625:     $value =~ s/\s*$//g;
                    626: 
                    627:     #  All alphas in the right range?
1.384     albertel  628:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      629: 	return "Invalid letter code $value must only contain A-J";
                    630:     }
1.384     albertel  631:     if (length($value) != $num_letters) {
                    632: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    633:     }
1.385     foxr      634:     return undef;
1.383     foxr      635: }
                    636: 
1.382     foxr      637: #   Determine if a code entered by the user in a helper is valid.
                    638: #   valid depends on the code type and the type of code selected.
                    639: #   The type of code selected can either be numeric or 
                    640: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    641: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    642: #   We'll be nice and be case insensitive for alpha codes.
                    643: # Parameters:
                    644: #    code_value    - the value of the code the user typed in.
                    645: #    code_option   - The code type selected from the set in the scantron format
                    646: #                    table.
                    647: # Returns:
                    648: #    undef         - The code is valid.
                    649: #    other         - An error message indicating what's wrong.
                    650: #
                    651: sub is_code_valid {
                    652:     my ($code_value, $code_option) = @_;
1.383     foxr      653:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   654:     my @lines = &Apache::grades::get_scantronformat_file();
                    655:     foreach my $line (@lines) {
1.383     foxr      656: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    657: 	if($name eq $code_option) {
                    658: 	    $code_length = $length;
                    659: 	    if($type eq 'number') {
                    660: 		$code_type = 'number';
                    661: 	    }
                    662: 	}
                    663:     }
                    664:     my $valid;
                    665:     if ($code_type eq 'number') {
1.385     foxr      666: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      667:     } else {
1.385     foxr      668: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      669:     }
1.382     foxr      670: 
                    671: }
                    672: 
1.341     foxr      673: #   Compare two students by name.  The students are in the form
                    674: #   returned by the helper:
                    675: #      user:domain:section:last,   first:status
                    676: #   This is a helper function for the perl sort built-in  therefore:
                    677: # Implicit Inputs:
                    678: #    $a     - The first element to compare (global)
                    679: #    $b     - The second element to compare (global)
                    680: # Returns:
                    681: #   -1   - $a < $b
                    682: #    0   - $a == $b
                    683: #   +1   - $a > $b
                    684: #   Note that the initial comparison is done on the last names with the
                    685: #   first names only used to break the tie.
                    686: #
                    687: #
                    688: sub compare_names {
                    689:     #  First split the names up into the primary fields.
                    690: 
                    691:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    692:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    693: 
                    694:     # Now split the last name and first name of each n:
                    695:     #
                    696: 
                    697:     my ($l1,$f1) = split(/,/, $n1);
                    698:     my ($l2,$f2) = split(/,/, $n2);
                    699: 
                    700:     # We don't bother to remove the leading/trailing whitespace from the
                    701:     # firstname, unless the last names compare identical.
                    702: 
                    703:     if($l1 lt $l2) {
                    704: 	return -1;
                    705:     }
                    706:     if($l1 gt $l2) {
                    707: 	return  1;
                    708:     }
                    709: 
                    710:     # Break the tie on the first name, but there are leading (possibly trailing
                    711:     # whitespaces to get rid of first 
                    712:     #
                    713:     $f1 =~ s/^\s+//;		# Remove leading...
                    714:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    715:     
                    716:     $f2 =~ s/^\s+//;
                    717:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    718: 
                    719:     if($f1 lt $f2) {
                    720: 	return -1;
                    721:     }
                    722:     if($f1 gt $f2) {
                    723: 	return 1;
                    724:     }
                    725:     
                    726:     #  Must be the same name.
                    727: 
                    728:     return 0;
                    729: }
                    730: 
1.71      sakharuk  731: sub latex_header_footer_remove {
                    732:     my $text = shift;
                    733:     $text =~ s/\\end{document}//;
                    734:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    735:     return $text;
                    736: }
1.423     foxr      737: #
                    738: #  If necessary, encapsulate text inside 
                    739: #  a minipage env.
                    740: #  necessity is determined by the problem_split param.
                    741: #
                    742: sub encapsulate_minipage {
                    743:     my ($text) = @_;
1.427     albertel  744:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      745: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    746:     }
                    747:     return $text;
                    748: }
1.429     foxr      749: #
                    750: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    751: #  variables interact, this sub looks at these two parameters
                    752: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    753: #     all     - if SPLIT_PDFS eq 'all'.
                    754: #     1       - if SPLIT_PDFS eq 'oneper'
                    755: #     section - if SPLIT_PDFS eq 'sections'
                    756: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    757: #
                    758: sub adjust_number_to_print {
                    759:     my $helper = shift;
1.71      sakharuk  760: 
1.429     foxr      761:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    762:     
                    763:     if ($split_pdf eq 'all') {
                    764: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    765:     } elsif ($split_pdf eq 'oneper') {
                    766: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    767:     } elsif ($split_pdf eq 'sections') {
                    768: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    769:     } elsif ($split_pdf eq 'usenumber') {
                    770: 	#  Unmodified.
                    771:     } else {
                    772: 	# Error!!!!
1.536     foxr      773: 	
                    774: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      775: 
                    776:     }
                    777: }
1.71      sakharuk  778: 
1.531     foxr      779: 
1.37      sakharuk  780: sub character_chart {
1.531     foxr      781:     my $result = shift;
                    782:     return  &Apache::entities::replace_entities($result);
                    783: }
                    784: 
                    785: sub old_character_chart {
1.37      sakharuk  786:     my $result = shift;	
1.116     sakharuk  787:     $result =~ s/&\#0?0?(7|9);//g;
                    788:     $result =~ s/&\#0?(10|13);//g;
                    789:     $result =~ s/&\#0?32;/ /g;
                    790:     $result =~ s/&\#0?33;/!/g;
                    791:     $result =~ s/&(\#0?34|quot);/\"/g;
                    792:     $result =~ s/&\#0?35;/\\\#/g;
                    793:     $result =~ s/&\#0?36;/\\\$/g;
                    794:     $result =~ s/&\#0?37;/\\%/g; 
                    795:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    796:     $result =~ s/&\#(0?39|146);/\'/g;
                    797:     $result =~ s/&\#0?40;/(/g;
                    798:     $result =~ s/&\#0?41;/)/g;
                    799:     $result =~ s/&\#0?42;/\*/g;
                    800:     $result =~ s/&\#0?43;/\+/g;
                    801:     $result =~ s/&\#(0?44|130);/,/g;
                    802:     $result =~ s/&\#0?45;/-/g;
                    803:     $result =~ s/&\#0?46;/\./g;
                    804:     $result =~ s/&\#0?47;/\//g;
                    805:     $result =~ s/&\#0?48;/0/g;
                    806:     $result =~ s/&\#0?49;/1/g;
                    807:     $result =~ s/&\#0?50;/2/g;
                    808:     $result =~ s/&\#0?51;/3/g;
                    809:     $result =~ s/&\#0?52;/4/g;
                    810:     $result =~ s/&\#0?53;/5/g;
                    811:     $result =~ s/&\#0?54;/6/g;
                    812:     $result =~ s/&\#0?55;/7/g;
                    813:     $result =~ s/&\#0?56;/8/g;
                    814:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  815:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  816:     $result =~ s/&\#0?59;/;/g;
                    817:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  818:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    819:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  820:     $result =~ s/&\#0?63;/\?/g;
                    821:     $result =~ s/&\#0?65;/A/g;
                    822:     $result =~ s/&\#0?66;/B/g;
                    823:     $result =~ s/&\#0?67;/C/g;
                    824:     $result =~ s/&\#0?68;/D/g;
                    825:     $result =~ s/&\#0?69;/E/g;
                    826:     $result =~ s/&\#0?70;/F/g;
                    827:     $result =~ s/&\#0?71;/G/g;
                    828:     $result =~ s/&\#0?72;/H/g;
                    829:     $result =~ s/&\#0?73;/I/g;
                    830:     $result =~ s/&\#0?74;/J/g;
                    831:     $result =~ s/&\#0?75;/K/g;
                    832:     $result =~ s/&\#0?76;/L/g;
                    833:     $result =~ s/&\#0?77;/M/g;
                    834:     $result =~ s/&\#0?78;/N/g;
                    835:     $result =~ s/&\#0?79;/O/g;
                    836:     $result =~ s/&\#0?80;/P/g;
                    837:     $result =~ s/&\#0?81;/Q/g;
                    838:     $result =~ s/&\#0?82;/R/g;
                    839:     $result =~ s/&\#0?83;/S/g;
                    840:     $result =~ s/&\#0?84;/T/g;
                    841:     $result =~ s/&\#0?85;/U/g;
                    842:     $result =~ s/&\#0?86;/V/g;
                    843:     $result =~ s/&\#0?87;/W/g;
                    844:     $result =~ s/&\#0?88;/X/g;
                    845:     $result =~ s/&\#0?89;/Y/g;
                    846:     $result =~ s/&\#0?90;/Z/g;
                    847:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  848:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  849:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  850:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  851:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    852:     $result =~ s/&\#(0?96|145);/\`/g;
                    853:     $result =~ s/&\#0?97;/a/g;
                    854:     $result =~ s/&\#0?98;/b/g;
                    855:     $result =~ s/&\#0?99;/c/g;
                    856:     $result =~ s/&\#100;/d/g;
                    857:     $result =~ s/&\#101;/e/g;
                    858:     $result =~ s/&\#102;/f/g;
                    859:     $result =~ s/&\#103;/g/g;
                    860:     $result =~ s/&\#104;/h/g;
                    861:     $result =~ s/&\#105;/i/g;
                    862:     $result =~ s/&\#106;/j/g;
                    863:     $result =~ s/&\#107;/k/g;
                    864:     $result =~ s/&\#108;/l/g;
                    865:     $result =~ s/&\#109;/m/g;
                    866:     $result =~ s/&\#110;/n/g;
                    867:     $result =~ s/&\#111;/o/g;
                    868:     $result =~ s/&\#112;/p/g;
                    869:     $result =~ s/&\#113;/q/g;
                    870:     $result =~ s/&\#114;/r/g;
                    871:     $result =~ s/&\#115;/s/g;
                    872:     $result =~ s/&\#116;/t/g;
                    873:     $result =~ s/&\#117;/u/g;
                    874:     $result =~ s/&\#118;/v/g;
                    875:     $result =~ s/&\#119;/w/g;
                    876:     $result =~ s/&\#120;/x/g;
                    877:     $result =~ s/&\#121;/y/g;
                    878:     $result =~ s/&\#122;/z/g;
                    879:     $result =~ s/&\#123;/\\{/g;
                    880:     $result =~ s/&\#124;/\|/g;
                    881:     $result =~ s/&\#125;/\\}/g;
                    882:     $result =~ s/&\#126;/\~/g;
                    883:     $result =~ s/&\#131;/\\textflorin /g;
                    884:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  885:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    886:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    887:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  888:     $result =~ s/&\#137;/\\textperthousand /g;
                    889:     $result =~ s/&\#140;/{\\OE}/g;
                    890:     $result =~ s/&\#147;/\`\`/g;
                    891:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  892:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  893:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  894:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  895:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  896:     $result =~ s/&\#153;/\\texttrademark /g;
                    897:     $result =~ s/&\#156;/\\oe/g;
                    898:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  899:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  900:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    901:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    902:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    903:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    904:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    905:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    906:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      907:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  908:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    909:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  910:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  911:     $result =~ s/&(\#173|shy);/ - /g;
                    912:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  913:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    914:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    915:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    916:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    917:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      918:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  919:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  920:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  921:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  922:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  923:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  924:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    925:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    926:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    927:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    928:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    929:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    930:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    931:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    932:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    933:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    934:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    935:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    936:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    937:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    938:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    939:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    940:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    941:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    942:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    943:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    944:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    945:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    946:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    947:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    948:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    949:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    950:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  951:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  952:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    953:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    954:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    955:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    956:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    957:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  958:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  959:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    960:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    961:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    962:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    963:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    964:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    965:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    966:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    967:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    968:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    969:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    970:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    971:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    972:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    973:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    974:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  975:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  976:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    977:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    978:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    979:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    980:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    981:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  982:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  983:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    984:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    985:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    986:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                    987:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                    988:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                    989:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel  990:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk  991:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk  992: #Greek Alphabet
1.281     sakharuk  993:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                    994:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                    995:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                    996:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                    997:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                    998:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                    999:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1000:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1001:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1002:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1003:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1004:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1005:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1006:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1007:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1008:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1009:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1010:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1011:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1012:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1013:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1014:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1015:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1016:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1017:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1018:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1019:     $result =~ s/&(Alpha|\#913);/A/g;
                   1020:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1021:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1022:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1023:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1024:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1025:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1026:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1027:     $result =~ s/&(Iota|\#921);/I/g;
                   1028:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1029:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1030:     $result =~ s/&(Mu|\#924);/M/g;
                   1031:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1032:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1033:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1034:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1035:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1036:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1037:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1038:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1039:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1040:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1041:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1042:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1043: #Arrows (extended HTML 4.01)
1.281     sakharuk 1044:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1045:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1046:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1047:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1048:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1049:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1050:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1051:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1052:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1053:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1054: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1055:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1056:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1057:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1058:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1059:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1060:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1061:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1062:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1063:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1064:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1065:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1066:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1067:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1068:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1069:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1070:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1071:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1072:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1073:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1074:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1075:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1076:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1077:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1078:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1079:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1080:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1081:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1082:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1083:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1084:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1085:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1086:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1087:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1088:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1089:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1090:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1091:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1092:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1093: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1094:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1095: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1096:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1097:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1098:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1099:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1100: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1101: 
1.495     foxr     1102:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1103:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1104:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1105:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1106:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1107:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1108:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1109:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1110:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1111:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1112:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1113:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1114:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1115: 
                   1116:     # Left/right quotations:
                   1117: 
                   1118:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1119:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1120: 
                   1121: 
1.559     foxr     1122: 
1.37      sakharuk 1123:     return $result;
                   1124: }
1.41      sakharuk 1125: 
                   1126: 
1.327     albertel 1127:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1128: my %page_formats=
                   1129:     ('letter' => {
                   1130: 	 'book' => {
1.493     foxr     1131: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1132: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1133: 	 },
                   1134: 	 'album' => {
1.496     foxr     1135: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1136: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1137: 	 },
                   1138:      },
                   1139:      'legal' => {
                   1140: 	 'book' => {
                   1141: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1142: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1143: 	 },
                   1144: 	 'album' => {
1.376     albertel 1145: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1146:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1147:           },
                   1148:      },
                   1149:      'tabloid' => {
                   1150: 	 'book' => {
                   1151: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1152: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1153: 	 },
                   1154: 	 'album' => {
1.376     albertel 1155: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1156: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1157:           },
                   1158:      },
                   1159:      'executive' => {
                   1160: 	 'book' => {
                   1161: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1162: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1163: 	 },
                   1164: 	 'album' => {
                   1165: 	     '1' => [],
                   1166: 	     '2' => []
                   1167:           },
                   1168:      },
                   1169:      'a2' => {
                   1170: 	 'book' => {
                   1171: 	     '1' => [],
                   1172: 	     '2' => []
                   1173: 	 },
                   1174: 	 'album' => {
                   1175: 	     '1' => [],
                   1176: 	     '2' => []
                   1177:           },
                   1178:      },
                   1179:      'a3' => {
                   1180: 	 'book' => {
                   1181: 	     '1' => [],
                   1182: 	     '2' => []
                   1183: 	 },
                   1184: 	 'album' => {
                   1185: 	     '1' => [],
                   1186: 	     '2' => []
                   1187:           },
                   1188:      },
                   1189:      'a4' => {
                   1190: 	 'book' => {
1.493     foxr     1191: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1192: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1193: 	 },
                   1194: 	 'album' => {
1.496     foxr     1195: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1196: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1197: 	 },
                   1198:      },
                   1199:      'a5' => {
                   1200: 	 'book' => {
                   1201: 	     '1' => [],
                   1202: 	     '2' => []
                   1203: 	 },
                   1204: 	 'album' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207:           },
                   1208:      },
                   1209:      'a6' => {
                   1210: 	 'book' => {
                   1211: 	     '1' => [],
                   1212: 	     '2' => []
                   1213: 	 },
                   1214: 	 'album' => {
                   1215: 	     '1' => [],
                   1216: 	     '2' => []
                   1217:           },
                   1218:      },
                   1219:      );
                   1220: 
1.177     sakharuk 1221: sub page_format {
1.140     sakharuk 1222: #
1.326     sakharuk 1223: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1224: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1225: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1226: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1227: #                        "A6 [105x148 mm]"
1.140     sakharuk 1228: # 
                   1229:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1230:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1231: }
1.76      sakharuk 1232: 
                   1233: 
1.126     albertel 1234: sub get_name {
                   1235:     my ($uname,$udom)=@_;
1.373     albertel 1236:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1237:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1238:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1239:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1240:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1241:     return $plainname;
1.126     albertel 1242: }
                   1243: 
1.213     albertel 1244: sub get_course {
                   1245:     my $courseidinfo;
1.373     albertel 1246:     if (defined($env{'request.course.id'})) {
1.439     www      1247: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel 1248:     }
                   1249:     return $courseidinfo;
                   1250: }
1.177     sakharuk 1251: 
1.76      sakharuk 1252: sub page_format_transformation {
1.312     sakharuk 1253:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1254:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1255: 
1.312     sakharuk 1256:     if ($selectionmade eq '4') {
1.502     foxr     1257: 	if ($choice eq 'all_problems') {
1.561     bisitz   1258:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1259: 	} else {
1.561     bisitz   1260:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1261: 	}
1.312     sakharuk 1262:     } else {
                   1263: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1264:     }
1.261     sakharuk 1265:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1266: 
                   1267: 
1.126     albertel 1268:     my $name = &get_name();
1.213     albertel 1269:     my $courseidinfo = &get_course();
1.568.2.4  raeburn  1270:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel 1271:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1272:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1273: 					   $courseidinfo, $name);
1.319     sakharuk 1274:     my $topmargintoinsert = '';
                   1275:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1276:     my $fancypagestatement='';
                   1277:     if ($numberofcolumns eq '2') {
1.455     albertel 1278: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1279:     } else {
1.455     albertel 1280: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1281:     }
1.140     sakharuk 1282:     if ($layout eq 'album') {
1.550     foxr     1283: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1284:     } elsif ($layout eq 'book') {
                   1285: 	if ($choice ne 'All class print') { 
1.550     foxr     1286: 	    $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 1287: 	} else {
1.550     foxr     1288: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1289: 	}
1.326     sakharuk 1290: 	if ($papersize eq 'a4') {
1.568.2.5  raeburn  1291:             my $papersize_text;
                   1292:             if ($perm{'pav'}) {
                   1293:                 $papersize_text = '\\special{papersize=210mm,297mm}';
                   1294:             } else {
                   1295:                 $papersize_text = '\special{papersize=210mm,297mm}';
                   1296:             }
                   1297:             $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1298: 	}
                   1299:     }
1.214     sakharuk 1300:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1301:     if ($indexlist eq 'yes') {
                   1302: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1303: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1304:     }
1.140     sakharuk 1305:     return $text;
                   1306: }
                   1307: 
                   1308: 
1.33      sakharuk 1309: sub page_cleanup {
                   1310:     my $result = shift;	
1.65      sakharuk 1311:  
                   1312:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1313:     my $number_of_columns = $1;
1.33      sakharuk 1314:     my $insert = '{';
1.34      sakharuk 1315:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1316:     $insert .= '}';
1.65      sakharuk 1317:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1318:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1319:     return $result,$number_of_columns;
1.7       sakharuk 1320: }
1.5       sakharuk 1321: 
1.3       sakharuk 1322: 
1.60      sakharuk 1323: sub details_for_menu {
1.335     albertel 1324:     my ($helper)=@_;
1.373     albertel 1325:     my $postdata=$env{'form.postdata'};
1.335     albertel 1326:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1327:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1328:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1329:     return if ( $symbolic eq '');
                   1330: 
1.233     www      1331:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1332:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1333:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1334:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1335: 	$map =~ m|([^/]+)$|;
                   1336: 	$name_of_sequence = $1;
1.63      albertel 1337:     }
1.373     albertel 1338:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1339:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1340: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1341: 	$name_of_map = $1;
                   1342:     }
1.335     albertel 1343:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1344: }
                   1345: 
1.476     albertel 1346: sub copyright_line {
                   1347:     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 } ';
                   1348: }
                   1349: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1350: 
                   1351: sub latex_corrections {
1.408     albertel 1352:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1353: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1354:     my $copyright = &copyright_line();
1.408     albertel 1355:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1356: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1357:     } else {
1.476     albertel 1358: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1359:     }
1.476     albertel 1360:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1361:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1362:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1363: #-- LaTeX corrections     
                   1364:     my $first_comment = index($result,'<!--',0);
                   1365:     while ($first_comment != -1) {
                   1366: 	my $end_comment = index($result,'-->',$first_comment);
                   1367: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1368: 	$first_comment = index($result,'<!--',$first_comment);
                   1369:     }
                   1370:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1371:     #removes more than one empty space
                   1372:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1373:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1374:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1375:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1376:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1377:     #conversion of html characters to LaTeX equivalents
                   1378:     if ($result =~ m/&(\w+|#\d+);/) {
                   1379: 	$result = &character_chart($result);
                   1380:     }
                   1381:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1382:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1383:     return $result;
1.60      sakharuk 1384: }
                   1385: 
1.3       sakharuk 1386: 
1.214     sakharuk 1387: sub index_table {
                   1388:     my $currentURL = shift;
                   1389:     my $insex_string='';
                   1390:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1391:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1392:     return $insex_string;
                   1393: }
                   1394: 
                   1395: 
1.215     sakharuk 1396: sub IndexCreation {
                   1397:     my ($texversion,$currentURL)=@_;
                   1398:     my @key_words=split(/,/,&index_table($currentURL));
                   1399:     my $chunk='';
                   1400:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1401:     if ($st>0) {
                   1402: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1403: 	$chunk=substr($texversion,0,$st+1);
                   1404: 	substr($texversion,0,$st+1)=' ';
                   1405:     }
                   1406:     foreach my $key_word (@key_words) {
                   1407: 	if ($key_word=~/\S+/) {
                   1408: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1409: 	}
                   1410:     }			
                   1411:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1412:     return $texversion;
                   1413: }
                   1414: 
1.242     sakharuk 1415: sub print_latex_header {
                   1416:     my $mode=shift;
1.550     foxr     1417: 
                   1418:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1419: }
                   1420: 
                   1421: sub path_to_problem {
1.328     albertel 1422:     my ($urlp,$colwidth)=@_;
1.404     albertel 1423:     $urlp=&Apache::lonnet::clutter($urlp);
                   1424: 
1.242     sakharuk 1425:     my $newurlp = '';
1.328     albertel 1426:     $colwidth=~s/\s*mm\s*$//;
                   1427: #characters average about 2 mm in width
1.360     albertel 1428:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1429: 	my @elements = split('/',$urlp);
1.328     albertel 1430: 	my $curlength=0;
                   1431: 	foreach my $element (@elements) {
1.404     albertel 1432: 	    if ($element eq '') { next; }
1.328     albertel 1433: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1434: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1435: 		$curlength=length($element)*2;
1.328     albertel 1436: 	    } else {
                   1437: 		$curlength+=length($element)*2;
1.242     sakharuk 1438: 	    }
1.328     albertel 1439: 	    $newurlp.='/'.$element;
1.242     sakharuk 1440: 	}
1.253     sakharuk 1441:     } else {
                   1442: 	$newurlp=$urlp;
1.242     sakharuk 1443:     }
                   1444:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1445: }
1.215     sakharuk 1446: 
1.275     sakharuk 1447: sub recalcto_mm {
                   1448:     my $textwidth=shift;
                   1449:     my $LaTeXwidth;
1.339     albertel 1450:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1451: 	$LaTeXwidth = $1*10;
1.339     albertel 1452:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1453: 	$LaTeXwidth = $1;
1.339     albertel 1454:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1455: 	$LaTeXwidth = $1*25.4;
                   1456:     }
                   1457:     $LaTeXwidth.=' mm';
                   1458:     return $LaTeXwidth;
                   1459: }
                   1460: 
1.285     albertel 1461: sub get_textwidth {
                   1462:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1463:     my $textwidth=$LaTeXwidth;
1.285     albertel 1464:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1465: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1466: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1467: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1468:     }
1.286     albertel 1469:     return $textwidth;
1.285     albertel 1470: }
                   1471: 
1.296     sakharuk 1472: 
                   1473: sub unsupported {
1.414     albertel 1474:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1475:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1476:     my $result.= &print_latex_header($mode);
1.414     albertel 1477:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1478: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1479: 	my $title=&Apache::lonnet::gettitle($symb);
                   1480: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1481: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1482:     } else {
                   1483: 	$result.=$currentURL;
                   1484:     }
1.419     albertel 1485:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1486:     return $result;
                   1487: }
                   1488: 
1.559     foxr     1489: #
                   1490: #  Map from helper layout style to the book/album:
                   1491: #
                   1492: sub map_laystyle {
                   1493:     my ($laystyle) = @_;
                   1494:     if ($laystyle eq 'L') {
                   1495: 	$laystyle='album';
                   1496:     } else {
                   1497: 	$laystyle='book';
                   1498:     }
                   1499:     return $laystyle;
                   1500: }
                   1501: 
                   1502: sub print_page_in_course {
                   1503:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1504:     my %parmhash       = %$rparmhash;
                   1505:     my @page_resources = @$resources;
                   1506:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1507:     my $symb = $helper->{'VARS'}->{'symb'};
                   1508: 
                   1509: 
                   1510:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1511: 
                   1512: 
                   1513:     my @temporary_array=split /\|/,$format_from_helper;
                   1514:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1515:     $laystyle = &map_laystyle($laystyle);
                   1516:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1517: 								      $numberofcolumns);
                   1518:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1519: 
                   1520: 
                   1521:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1522:     my $result   =    &print_latex_header($mode);
1.559     foxr     1523:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1524: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1525: 	my $title=&Apache::lonnet::gettitle($symb);
                   1526: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1527:     } else {
                   1528: 	$result.=$currentURL;
                   1529:     }
                   1530:     $result .= '\\\\';
                   1531: 
                   1532:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1533: 	&Apache::lonnet::appenv({'construct.style' =>
                   1534: 				$helper->{'VARS'}->{'style_file'}});
                   1535:     } elsif ($env{'construct.style'}) {
                   1536: 	&Apache::lonnet::delenv('construct.style');
                   1537:     }
                   1538: 
                   1539:     # First is the overall page description.  This is then followed by the 
                   1540:     # components of the page. Each of which must be printed independently.
1.564     foxr     1541:     my $the_page = shift(@page_resources); 
1.559     foxr     1542: 
                   1543: 
                   1544:     foreach my $resource (@page_resources) {
                   1545: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1546: 	$result           .= $resource->title() . '\\\\';
                   1547: 
                   1548: 	# Recurse if a .page:
                   1549: 
                   1550: 	if ($resource_src =~ /.page$/i) {
                   1551: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1552: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1553: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1554: 						       $resource_src, \@page_resources);
                   1555: 	}
                   1556: 	# these resources go through the XML transformer:
                   1557: 
1.568.2.6  raeburn  1558: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/)  {		
1.559     foxr     1559: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1560: 	    my %form;
                   1561: 	    my %moreenv;
                   1562: 
                   1563: 	    &Apache::lonxml::remember_problem_counter();
                   1564: 	    $moreenv{'request.filename'}=$urlp;
                   1565: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1566: 
                   1567: 	    $form{'grade_target'}  = 'tex';
                   1568: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.568.2.2  raeburn  1569: 	    $form{'pdfFormFields'} = 'no';
1.559     foxr     1570: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1571: 	    
                   1572: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1573: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1574: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1575: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1576: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1577: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1578: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1579: 		$form{'problem_split'}='yes';
                   1580: 	    }
                   1581: 	    my $rndseed = time;
                   1582: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1583: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1584: 	    }
                   1585: 	    $form{'rndseed'}=$rndseed;
                   1586: 	    &Apache::lonnet::appenv(\%moreenv);
                   1587: 	    
                   1588: 	    &Apache::lonxml::clear_problem_counter();
                   1589: 
                   1590: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1591: 
                   1592: 
                   1593: 	    # current document with answers.. no need to encap in minipage
                   1594: 	    #  since there's only one answer.
                   1595: 
                   1596: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1597: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1598: 		my %answerform = %form;
                   1599: 
                   1600: 
                   1601: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1602: 		$answerform{'grade_target'}='answer';
                   1603: 		$answerform{'answer_output_mode'}='tex';
                   1604: 		$answerform{'rndseed'}=$rndseed;
                   1605:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1606: 		    $answerform{'problemtype'}='exam';
                   1607: 		}
                   1608: 		$resources_printed .= $urlp.':';
                   1609: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1610: 
                   1611: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1612: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1613: 		} else {
1.562     foxr     1614: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1615: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1616: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1617: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1618: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1619: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1620: 		    } else {
                   1621: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1622: 			my $URLpath=$urlp;
                   1623: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1624: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1625: 		    }
                   1626: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1627: 		}
                   1628: 
                   1629: 
                   1630: 		
                   1631: 
                   1632: 	    
                   1633: 	    }
                   1634: 	    # Print annotations.
                   1635: 
                   1636: 
                   1637: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1638: 		my $annotation .= &annotate($currentURL);
                   1639: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1640: 	    }
                   1641: 	    
                   1642: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1643: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1644: 	    }
                   1645: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1646: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1647: 
                   1648: 	    }
1.562     foxr     1649: 	    $texversion = &latex_header_footer_remove($texversion);
                   1650: 
                   1651: 	    # the first remaining line is a comment from londefdef the second
                   1652: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1653:             # (imperfect removal from header_footer_remove?
                   1654: 
                   1655: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1656: 
1.559     foxr     1657: 	    $result .= $texversion;
                   1658: 	    if ($currentURL=~m/\.page\s*$/) {
                   1659: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1660: 	    }
                   1661: 	}
                   1662:     }
                   1663: 
                   1664:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1665:     return $result;
                   1666: }
                   1667: 
1.296     sakharuk 1668: 
1.363     foxr     1669: #
1.395     www      1670: # List of recently generated print files
                   1671: #
                   1672: sub recently_generated {
                   1673:     my $r=shift;
                   1674:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1675:     my $zip_result;
                   1676:     my $pdf_result;
1.395     www      1677:     opendir(DIR,$prtspool);
1.400     albertel 1678: 
                   1679:     my @files = 
                   1680: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1681:     closedir(DIR);
1.400     albertel 1682: 
                   1683:     @files = sort {
                   1684: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1685: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1686: 	return $bctime <=> $actime;
                   1687:     } (@files);
                   1688: 
                   1689:     foreach my $filename (@files) {
                   1690: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1691: 	my ($cdev,$cino,$cmode,$cnlink,
                   1692: 	    $cuid,$cgid,$crdev,$csize,
                   1693: 	    $catime,$cmtime,$cctime,
                   1694: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1695:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1696: 	my $result=&Apache::loncommon::start_data_table_row()
                   1697:                   .'<td>'
                   1698:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1699:                   .'</td>'
                   1700:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1701:                   .'<td align="right">'.$csize.'</td>'
                   1702:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1703: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1704: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1705:     }
1.544     bisitz   1706:     if ($zip_result || $pdf_result) {
                   1707:         $r->print('<hr />');
                   1708:     }
1.400     albertel 1709:     if ($zip_result) {
1.544     bisitz   1710: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1711:                   .&Apache::loncommon::start_data_table()
                   1712:                   .&Apache::loncommon::start_data_table_header_row()
                   1713:                   .'<th>'.&mt('Download').'</th>'
                   1714:                   .'<th>'.&mt('Creation Date').'</th>'
                   1715:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1716:                   .&Apache::loncommon::end_data_table_header_row()
                   1717:                   .$zip_result
                   1718:                   .&Apache::loncommon::end_data_table()
                   1719:         );
1.400     albertel 1720:     }
                   1721:     if ($pdf_result) {
1.544     bisitz   1722: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1723:                   .&Apache::loncommon::start_data_table()
                   1724:                   .&Apache::loncommon::start_data_table_header_row()
                   1725:                   .'<th>'.&mt('Download').'</th>'
                   1726:                   .'<th>'.&mt('Creation Date').'</th>'
                   1727:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1728:                   .&Apache::loncommon::end_data_table_header_row()
                   1729:                   .$pdf_result
                   1730:                   .&Apache::loncommon::end_data_table()
                   1731:         );
1.396     albertel 1732:     }
1.395     www      1733: }
                   1734: 
                   1735: #
1.363     foxr     1736: #   Retrieve the hash of page breaks.
                   1737: #
                   1738: #  Inputs:
                   1739: #    helper   - reference to helper object.
                   1740: #  Outputs
                   1741: #    A reference to a page break hash.
                   1742: #
                   1743: #
1.562     foxr     1744: # use Data::Dumper;
1.418     foxr     1745: #sub dump_helper_vars {
                   1746: #    my ($helper) = @_;
                   1747: #    my $helpervars = Dumper($helper->{'VARS'});
                   1748: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1749: #}
1.363     foxr     1750: 
1.481     albertel 1751: sub get_page_breaks  {
                   1752:     my ($helper) = @_;
                   1753:     my %page_breaks;
                   1754: 
                   1755:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1756: 	$page_breaks{$break} = 1;
                   1757:     }
                   1758:     return %page_breaks;
                   1759: }
1.363     foxr     1760: 
1.459     foxr     1761: #  Output a sequence (recursively if neeed)
                   1762: #  from construction space.
                   1763: # Parameters:
                   1764: #    url     = URL of the sequence to print.
                   1765: #    helper  - Reference to the helper hash.
                   1766: #    form    - Copy of the format hash.
                   1767: #    LaTeXWidth
                   1768: # Returns:
                   1769: #   Text to add to the printout.
                   1770: #   NOTE if the first element of the outermost sequence
                   1771: #   is itself a sequence, the outermost caller may need to
                   1772: #   prefix the latex with the page headers stuff.
                   1773: #
                   1774: sub print_construction_sequence {
                   1775:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1776:     my $result;
                   1777:     my $rndseed=time;
                   1778:     if ($helper->{'VARS'}->{'curseed'}) {
                   1779: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1780:     }
1.491     albertel 1781:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1782:     # 
                   1783:     #  These make this all support recursing for subsequences.
                   1784:     #
1.491     albertel 1785:     my @order    = @LONCAPA::map::order;
                   1786:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1787:     for (my $member=0;$member<=$#order;$member++) {
                   1788: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1789: 	my $urlp=$2;
                   1790: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1791: 	    my $texversion='';
                   1792: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1793: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1794: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1795: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1796: 		$form{'rndseed'}=$rndseed;
                   1797: 		$resources_printed .=$urlp.':';
1.515     foxr     1798: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1799: 	    }
                   1800: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1801: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1802: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1803: 		#  Don't permanently modify %$form...
                   1804: 		my %answerform = %form;
                   1805: 		$answerform{'grade_target'}='answer';
                   1806: 		$answerform{'answer_output_mode'}='tex';
                   1807: 		$answerform{'rndseed'}=$rndseed;
                   1808: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1809: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1810: 		$resources_printed .= $urlp.':';
1.515     foxr     1811: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1812: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1813: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1814: 		} else {
                   1815: 		    # If necessary, encapsulate answer in minipage:
                   1816: 		    
                   1817: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1818: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1819: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1820: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1821: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1822: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1823: 		    $body = &encapsulate_minipage($body);
                   1824: 		    $texversion.=$body;
                   1825: 		}
                   1826: 	    }
                   1827: 	    $texversion = &latex_header_footer_remove($texversion);
                   1828: 
                   1829: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1830: 		$texversion=&IndexCreation($texversion,$urlp);
                   1831: 	    }
                   1832: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1833: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1834: 	    }
                   1835: 	    $result.=$texversion;
                   1836: 
                   1837: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1838:  
1.459     foxr     1839: 	    # header:
                   1840: 
                   1841: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1842: 
                   1843: 	    # IF sequence, recurse:
                   1844: 	    
                   1845: 	    if ($urlp =~ /\.sequence$/) {
                   1846: 		my $sequence_url = $urlp;
                   1847: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1848: 		my $user         = $env{'user.name'};
                   1849: 
                   1850: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1851: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1852: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1853: 		$result .= &print_construction_sequence($sequence_url, 
                   1854: 							$helper, %form, 
                   1855: 							$LaTeXwidth);
                   1856: 	    }
1.550     foxr     1857: 	}
                   1858: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1859: 	    my $texversion;
                   1860: 	    if ($member != 0) {
                   1861: 		$texversion .= '\cleardoublepage';
                   1862: 	    }
                   1863: 
                   1864: 	    $texversion .= &include_pdf($urlp);
                   1865: 	    $texversion = &latex_header_footer_remove($texversion);
                   1866: 	    if ($member != $#order) {
                   1867: 		$texversion .= '\\ \cleardoublepage';
                   1868: 	    }
1.551     foxr     1869: 	    
                   1870: 	    $result .= $texversion;
1.550     foxr     1871: 	}
1.459     foxr     1872:     }
                   1873:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1874:     return $result;
                   1875: }
                   1876: 
1.177     sakharuk 1877: sub output_data {
1.184     sakharuk 1878:     my ($r,$helper,$rparmhash) = @_;
                   1879:     my %parmhash = %$rparmhash;
1.515     foxr     1880:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1881:     $resources_printed = '';
1.556     foxr     1882:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     1883:     my $do_postprocessing = 1;
1.433     albertel 1884:     my $js = <<ENDPART;
                   1885: <script type="text/javascript">
1.264     sakharuk 1886:     var editbrowser;
                   1887:     function openbrowser(formname,elementname,only,omit) {
                   1888:         var url = '/res/?';
                   1889:         if (editbrowser == null) {
                   1890:             url += 'launch=1&';
                   1891:         }
                   1892:         url += 'catalogmode=interactive&';
                   1893:         url += 'mode=parmset&';
                   1894:         url += 'form=' + formname + '&';
                   1895:         if (only != null) {
                   1896:             url += 'only=' + only + '&';
                   1897:         } 
                   1898:         if (omit != null) {
                   1899:             url += 'omit=' + omit + '&';
                   1900:         }
                   1901:         url += 'element=' + elementname + '';
                   1902:         var title = 'Browser';
                   1903:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1904:         options += ',width=700,height=600';
                   1905:         editbrowser = open(url,title,options,'1');
                   1906:         editbrowser.focus();
                   1907:     }
                   1908: </script>
1.140     sakharuk 1909: ENDPART
                   1910: 
1.512     foxr     1911: 
1.558     bisitz   1912:     # Breadcrumbs
                   1913:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   1914:     my $brcrum = [{'href' => '',
                   1915:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   1916:                   {'href' => '',
                   1917:                    'text' => 'Preparing Printout'}];
                   1918: 
                   1919:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   1920:                                                      $js,
                   1921:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 1922:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1923: 
1.433     albertel 1924:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1925: 
1.363     foxr     1926:     # fetch the pagebreaks and store them in the course environment
                   1927:     # The page breaks will be pulled into the hash %page_breaks which is
                   1928:     # indexed by symb and contains 1's for each break.
                   1929: 
1.373     albertel 1930:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1931:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1932:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1933: 					      {'pagebreaks'    => 'scalar',
                   1934: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1935: 
1.364     albertel 1936:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1937: 
1.140     sakharuk 1938:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1939:     my ($result,$selectionmade) = ('','');
                   1940:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1941:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    1942:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     1943: 
                   1944:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 1945:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1946:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1947:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1948:     my @print_array=();
1.274     sakharuk 1949:     my @student_names=();
1.360     albertel 1950: 
1.512     foxr     1951:      
1.360     albertel 1952:     #  Common settings for the %form has:
                   1953:     # In some cases these settings get overriddent by specific cases, but the
                   1954:     # settings are common enough to make it worthwhile factoring them out
                   1955:     # here.
                   1956:     #
                   1957:     my %form;
                   1958:     $form{'grade_target'} = 'tex';
                   1959:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.568.2.2  raeburn  1960:     $form{'pdfFormFields'} = 'no';
1.372     foxr     1961: 
                   1962:     # If form.showallfoils is set, then request all foils be shown:
                   1963:     # privilege will be enforced both by not allowing the 
                   1964:     # check box selecting this option to be presnt unless it's ok,
                   1965:     # and by lonresponse's priv. check.
                   1966:     # The if is here because lonresponse.pm only cares that
                   1967:     # showallfoils is defined, not what the value is.
                   1968: 
                   1969:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1970: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1971:     }
1.504     albertel 1972:     
                   1973:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1974: 	&Apache::lonnet::appenv({'construct.style' =>
                   1975: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1976:     } elsif ($env{'construct.style'}) {
1.549     raeburn  1977: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 1978:     }
                   1979: 
1.372     foxr     1980: 
1.140     sakharuk 1981:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 1982:       #-- single document - problem, page, html, xml, ...
1.343     albertel 1983: 	my ($currentURL,$cleanURL);
1.375     foxr     1984: 
1.162     sakharuk 1985: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 1986:             #prints published resource
1.153     sakharuk 1987: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 1988: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 1989: 	} else {
1.512     foxr     1990: 
1.185     sakharuk 1991:             #prints resource from the construction space
1.240     albertel 1992: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 1993: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 1994: 	    $cleanURL=$currentURL;
1.143     sakharuk 1995: 	}
1.140     sakharuk 1996: 	$selectionmade = 1;
1.413     albertel 1997: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     1998: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 1999: 	    my $rndseed=time;
1.242     sakharuk 2000: 	    my $texversion='';
                   2001: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2002: 		my %moreenv;
1.343     albertel 2003: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2004:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2005: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2006: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2007: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2008: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2009: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2010: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2011: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2012: 		    $form{'problem_split'}='yes';
                   2013: 		}
1.242     sakharuk 2014: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2015: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2016: 		}
                   2017: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2018: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2019: 
                   2020: 		&Apache::lonxml::clear_problem_counter();
                   2021: 
1.375     foxr     2022: 		$resources_printed .= $currentURL.':';
1.515     foxr     2023: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2024: 
1.511     foxr     2025: 		#  Add annotations if required:
                   2026: 	    
1.428     albertel 2027: 		&Apache::lonxml::clear_problem_counter();
                   2028: 
1.242     sakharuk 2029: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2030: 	    }
1.423     foxr     2031: 	    # current document with answers.. no need to encap in minipage
                   2032: 	    #  since there's only one answer.
                   2033: 
1.242     sakharuk 2034: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2035: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2036: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2037: 		$form{'grade_target'}='answer';
1.167     albertel 2038: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2039: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2040:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2041: 		    $form{'problemtype'}='exam';
                   2042: 		}
1.375     foxr     2043: 		$resources_printed .= $currentURL.':';
1.515     foxr     2044: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2045: 		
                   2046: 
1.242     sakharuk 2047: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2048: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2049: 		} else {
                   2050: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2051: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2052: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2053: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2054: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2055: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2056: 		    } else {
                   2057: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2058: 			my $URLpath=$cleanURL;
1.245     sakharuk 2059: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2060: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2061: 		    }
1.242     sakharuk 2062: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2063: 		}
1.511     foxr     2064: 
                   2065: 
                   2066: 		
                   2067: 
1.550     foxr     2068: 	    
1.511     foxr     2069: 	    }
                   2070: 	    # Print annotations.
                   2071: 
                   2072: 
                   2073: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2074: 		my $annotation .= &annotate($currentURL);
                   2075: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2076: 	    }
1.511     foxr     2077: 
                   2078: 
1.214     sakharuk 2079: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2080: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2081: 	    }
1.219     sakharuk 2082: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2083: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2084: 
                   2085: 	    }
1.162     sakharuk 2086: 	    $result .= $texversion;
                   2087: 	    if ($currentURL=~m/\.page\s*$/) {
                   2088: 		($result,$number_of_columns) = &page_cleanup($result);
                   2089: 	    }
1.413     albertel 2090:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2091: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2092:             #printing content of sequence from the construction space	
1.559     foxr     2093: 
                   2094: 
1.227     sakharuk 2095: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2096: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2097: 						    $LaTeXwidth);
                   2098: 	    $result .= '\end{document}';  
                   2099: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2100: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2101: 	    }
1.459     foxr     2102: 	    # End construction space sequence.
1.456     raeburn  2103: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2104: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2105: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2106: 		$resources_printed .= $currentURL.':';
1.567     foxr     2107: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2108: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2109: 		    my $annotation = &annotate($currentURL);
                   2110: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2111: 		}
1.258     sakharuk 2112: 		$result .= $texversion;
1.550     foxr     2113: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2114: 	    # For this sort of print of a single LaTeX file,
                   2115: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2116: 	    #
                   2117: 
                   2118: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2119: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2120: 		my $annotation = &annotate($currentURL);
                   2121: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2122: 	    }
                   2123: 
1.499     foxr     2124: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2125: 
1.550     foxr     2126: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2127: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2128: 	    $result .= '\end{document}';
1.559     foxr     2129: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2130: 
                   2131: 	    # Determine the set of resources in the map of the page:
                   2132: 
                   2133: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2134: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2135: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2136: 							$cleanURL, \@page_resources);
                   2137: 
                   2138:        
1.162     sakharuk 2139: 	} else {
1.414     albertel 2140: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2141: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2142: 	}
1.354     foxr     2143:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2144: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2145: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2146:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2147:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2148: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2149: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2150: 	     ) { 
1.511     foxr     2151: 
                   2152: 
1.141     sakharuk 2153:         #-- produce an output string
1.562     foxr     2154: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2155: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2156: 	    $selectionmade = 2;
1.562     foxr     2157: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2158: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2159: 	{
1.296     sakharuk 2160: 	    $selectionmade = 3;
1.536     foxr     2161: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2162: 		 ) {
1.296     sakharuk 2163: 	    $selectionmade = 4;
1.354     foxr     2164: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2165: 	    $selectionmade = 4;
1.296     sakharuk 2166: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2167: 	    $selectionmade = 7;
                   2168: 	}
1.193     sakharuk 2169: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2170: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2171: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2172: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2173: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2174: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2175: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2176: 	    $form{'problem_split'}='yes';
                   2177: 	}
1.141     sakharuk 2178: 	my $flag_latex_header_remove = 'NO';
                   2179: 	my $flag_page_in_sequence = 'NO';
                   2180: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2181: 	my $prevassignment='';
1.428     albertel 2182: 
                   2183: 	&Apache::lonxml::clear_problem_counter();
                   2184: 
1.416     foxr     2185: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2186: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2187: 
1.521     foxr     2188: 	    &Apache::lonenc::reset_enc();
                   2189: 
                   2190: 
1.350     foxr     2191: 	    # Note due to document structure, not allowed to put \newpage
                   2192: 	    # prior to the first resource
                   2193: 
1.351     foxr     2194: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2195: 		if($i != 0) {
                   2196: 		    $result.="\\newpage\n";
                   2197: 		}
                   2198: 	    }
1.564     foxr     2199: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2200: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2201: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2202: 
                   2203: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2204: 
1.267     sakharuk 2205: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2206: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2207: 	    my $texversion='';
1.413     albertel 2208: 	    if ($urlp!~m|^/adm/|
                   2209: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2210: 		$resources_printed .= $urlp.':';
1.428     albertel 2211: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2212: 		if ($flag_latex_header_remove eq 'NO') {
                   2213: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2214: 		    $flag_latex_header_remove = 'YES';
                   2215: 		}
1.515     foxr     2216: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2217: 		if ($urlp=~/\.page$/) {
                   2218: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2219: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2220: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2221: 		    $flag_page_in_sequence = 'YES';
                   2222: 		} 
1.428     albertel 2223: 
1.296     sakharuk 2224: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2225: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2226: 		    #  Don't permanently pervert the %form hash
                   2227: 		    my %answerform = %form;
                   2228: 		    $answerform{'grade_target'}='answer';
                   2229: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2230: 		    $resources_printed .= $urlp.':';
1.428     albertel 2231: 
                   2232: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2233: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2234: 
1.296     sakharuk 2235: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2236: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2237: 		    } else {
1.307     sakharuk 2238: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2239: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2240: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2241: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2242: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2243: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2244: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2245: 			    $body   .='\vskip 1 mm '.$answer;
                   2246: 			    $body    = &encapsulate_minipage($body);
                   2247: 			    $texversion .= $body;
1.296     sakharuk 2248: 			} else {
                   2249: 			    $texversion='';
                   2250: 			}
1.249     sakharuk 2251: 		    }
1.511     foxr     2252: 
1.246     sakharuk 2253: 		}
1.511     foxr     2254: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2255: 		    my $annotation .= &annotate($urlp);
                   2256: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2257: 		}
                   2258: 
1.296     sakharuk 2259: 		if ($flag_latex_header_remove ne 'NO') {
                   2260: 		    $texversion = &latex_header_footer_remove($texversion);
                   2261: 		} else {
                   2262: 		    $texversion =~ s/\\end{document}//;
                   2263: 		}
                   2264: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2265: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2266: 		}
                   2267: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2268: 		    my $name = &get_name();
                   2269: 		    my $courseidinfo = &get_course();
1.568.2.4  raeburn  2270: 		    if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.296     sakharuk 2271: 		    $prevassignment=$assignment;
1.455     albertel 2272: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2273: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2274: 							  $assignment, 
                   2275: 							  $courseidinfo, 
                   2276: 							  $name);
1.552     foxr     2277: 
1.417     foxr     2278: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2279: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2280: 		    } else {
1.455     albertel 2281: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2282: 		    }			
1.296     sakharuk 2283: 		}
                   2284: 		$result .= $texversion;
                   2285: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2286: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2287: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2288: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2289: 		$resources_printed .= $urlp.':';
1.567     foxr     2290: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2291: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2292: 		    my $annotation = &annotate($urlp);
                   2293: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2294: 		}
                   2295: 
1.301     sakharuk 2296: 		if ($flag_latex_header_remove ne 'NO') {
                   2297: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2298: 		} else {	
1.301     sakharuk 2299: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2300: 		}
                   2301: 		$result .= $texversion;
                   2302: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2303: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2304: 		if ($i > 0) {
                   2305: 		    $result .= '\cleardoublepage';
                   2306: 		}
1.568.2.7! raeburn  2307:                 my $texfrompdf = &include_pdf($urlp);
        !          2308:                 if ($flag_latex_header_remove ne 'NO') {
        !          2309:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
        !          2310:                 }
        !          2311:                 $result .= $texfrompdf;
1.550     foxr     2312: 		if ($i != $#master_seq) {
                   2313: 		    if ($numberofcolumns eq '1') {
                   2314: 			$result .= '\newpage';
                   2315: 		    } else {
                   2316: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2317: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2318: 			#
                   2319: 			$result .= '\\ \cleardoublepage';
                   2320: 		    }
                   2321: 		}
                   2322: 		$flag_latex_header_remove = 'YES';
                   2323: 
1.141     sakharuk 2324: 	    } else {
1.414     albertel 2325: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2326: 					 $master_seq[$i]);
1.297     sakharuk 2327: 		if ($flag_latex_header_remove ne 'NO') {
                   2328: 		    $texversion = &latex_header_footer_remove($texversion);
                   2329: 		} else {
                   2330: 		    $texversion =~ s/\\end{document}//;
                   2331: 		}
                   2332: 		$result .= $texversion;
                   2333: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2334: 	    }	    
1.550     foxr     2335: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2336: 		last; 
                   2337: 	    }
1.141     sakharuk 2338: 	}
1.428     albertel 2339: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2340: 	if ($flag_page_in_sequence eq 'YES') {
                   2341: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2342: 	}	
1.141     sakharuk 2343: 	$result .= '\end{document}';
1.284     albertel 2344:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2345: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2346: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2347: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2348: 
                   2349: 
1.150     sakharuk 2350:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2351: 	 my $type;
1.536     foxr     2352: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2353: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2354: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2355: 	     $selectionmade=5;
1.284     albertel 2356: 	     $type='problems';
1.254     sakharuk 2357: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2358: 	     $selectionmade=8;
1.284     albertel 2359: 	     $type='resources';
1.254     sakharuk 2360: 	 }
1.150     sakharuk 2361: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2362: 	 #   The normal sort order is by section then by students within the
                   2363: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2364: 	 #   to override this and output the students by name.
                   2365: 	 #    Each element of the students array is of the form:
                   2366: 	 #       username:domain:section:last, first:status
                   2367: 	 #    
1.429     foxr     2368: 	 #  Note that student sort is not compatible with printing 
                   2369: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2370: 	 #   
1.429     foxr     2371: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2372: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2373: 	     @students = sort compare_names  @students;
                   2374: 	 }
1.429     foxr     2375: 	 &adjust_number_to_print($helper);
                   2376: 
1.278     albertel 2377:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2378: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2379: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2380: 	 }
1.429     foxr     2381: 	 # If we are splitting on section boundaries, we need 
                   2382: 	 # to remember that in split_on_sections and 
                   2383: 	 # print all of the students in the list.
                   2384: 	 #
                   2385: 	 my $split_on_sections = 0;
                   2386: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2387: 	     $split_on_sections = 1;
                   2388: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2389: 	 }
1.150     sakharuk 2390: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2391: 
1.150     sakharuk 2392: 	 #loop over students
1.562     foxr     2393: 
                   2394:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2395: 	 my %moreenv;
1.330     sakharuk 2396:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2397: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2398: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2399: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2400: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2401: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2402: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2403: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2404: 	     $moreenv{'problem_split'}='yes';
                   2405: 	 }
1.318     albertel 2406: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2407: 	 my $student_counter=-1;
1.429     foxr     2408: 	 my $i = 0;
1.430     albertel 2409: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2410: 	 foreach my $person (@students) {
1.350     foxr     2411: 
1.373     albertel 2412:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2413: 	     if (-e $duefile) {
                   2414: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2415: 		 print $temp_file "1969\n";
                   2416: 	     }
1.272     sakharuk 2417: 	     $student_counter++;
1.429     foxr     2418: 	     if ($split_on_sections) {
1.430     albertel 2419: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2420: 		 if ($this_section ne $last_section) {
                   2421: 		     $i++;
                   2422: 		     $last_section = $this_section;
                   2423: 		 }
                   2424: 	     } else {
                   2425: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2426: 	     }
1.375     foxr     2427: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2428: 						     $person,$type,
                   2429: 						     \%moreenv,\@master_seq,
1.360     albertel 2430: 						     $flag_latex_header_remove,
1.422     albertel 2431: 						     $LaTeXwidth);
1.375     foxr     2432: 	     $resources_printed .= ":";
1.284     albertel 2433: 	     $print_array[$i].=$output;
                   2434: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2435: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2436: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2437: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2438: 	 }
                   2439: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2440: 	 $result .= $print_array[0].'  \end{document}';
                   2441:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2442: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2443: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2444: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2445: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2446: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2447: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2448: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2449: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2450: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2451: 
1.381     albertel 2452: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2453:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2454: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2455: 	 foreach my $line (@lines) {
1.381     albertel 2456: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2457: 	     if ($name eq $code_option) {
                   2458: 		 $code_length=$length;
                   2459: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2460: 	     }
                   2461: 	 }
1.288     albertel 2462: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2463: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2464:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2465: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2466: 	 my @allcodes;
                   2467: 	 if ($old_name) {
1.381     albertel 2468: 	     my %result=&Apache::lonnet::get('CODEs',
                   2469: 					     [$old_name,"type\0$old_name"],
                   2470: 					     $cdom,$cnum);
                   2471: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2472: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2473: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2474: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2475: 	     $num_todo = 1;
                   2476: 	     @allcodes = ($selected_code);
1.385     foxr     2477: 	 } elsif ($single_code) {
                   2478: 
1.387     foxr     2479: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2480: 	     # If an alpha code have to convert to numbers so it can be
                   2481: 	     # converted back to letters again :-)
                   2482: 	     #
                   2483: 	     if ($code_type ne 'number') {
                   2484: 		 $single_code = &letters_to_num($single_code);
                   2485: 	     }
                   2486: 	     @allcodes = ($single_code);
1.292     albertel 2487: 	 } else {
                   2488: 	     my %allcodes;
1.299     albertel 2489: 	     srand($seed);
1.292     albertel 2490: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2491: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2492: 					    $code_type);
1.292     albertel 2493: 	     }
                   2494: 	     if ($code_name) {
                   2495: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2496: 				      {
                   2497: 					$code_name =>join(',',keys(%allcodes)),
                   2498: 					"type\0$code_name" => $code_type
                   2499: 				      },
1.292     albertel 2500: 				      $cdom,$cnum);
                   2501: 	     }
                   2502: 	     @allcodes=keys(%allcodes);
                   2503: 	 }
1.336     albertel 2504: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2505: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2506: 	 &adjust_number_to_print($helper);
1.336     albertel 2507: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2508: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2509: 	     $number_per_page=$num_todo;
                   2510: 	 }
                   2511: 	 my $flag_latex_header_remove = 'NO'; 
                   2512: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2513: 	 my $count=0;
1.292     albertel 2514: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2515: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2516: 	     if ($code_type eq 'number') { 
                   2517: 		 $moreenv{'CODE'}=$code;
                   2518: 	     } else {
                   2519: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2520: 	     }
1.375     foxr     2521: 	     my ($output,$fullname, $printed)=
1.288     albertel 2522: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2523: 				  \@master_seq,$flag_latex_header_remove,
                   2524: 				  $LaTeXwidth);
1.375     foxr     2525: 	     $resources_printed .= ":";
1.295     albertel 2526: 	     $print_array[$file_num].=$output;
1.288     albertel 2527: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2528: 				       &mt('last assignment').' '.$fullname);
                   2529: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2530: 	     $count++;
1.331     albertel 2531: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2532: 	 }
                   2533: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2534: 	 $result .= $print_array[0].'  \end{document}';
                   2535:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2536:     #prints selected problems from the subdirectory 
                   2537: 	$selectionmade = 6;
                   2538:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2539: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2540: 	my $flag_latex_header_remove = 'NO'; 
                   2541: 	my $rndseed=time;
1.230     albertel 2542: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2543: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2544: 	}
1.151     sakharuk 2545: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2546: 
                   2547: 	    &Apache::lonenc::reset_enc();
                   2548: 
1.152     sakharuk 2549: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2550: 	    $urlp=~s|//|/|;
1.152     sakharuk 2551: 	    if ($urlp=~/\//) {
1.353     foxr     2552: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2553: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2554: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2555: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2556: 		} else {
1.302     sakharuk 2557: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2558: 		}
1.375     foxr     2559: 		$resources_printed .= $urlp.':';
1.515     foxr     2560: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2561: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2562: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2563: 		    #  Don't permanently pervert %form:
                   2564: 		    my %answerform = %form;
                   2565: 		    $answerform{'grade_target'}='answer';
                   2566: 		    $answerform{'answer_output_mode'}='tex';
                   2567: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2568: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2569: 		    $resources_printed .= $urlp.':';
1.515     foxr     2570: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2571: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2572: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2573: 		    } else {
1.253     sakharuk 2574: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2575: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2576: 			    $texversion.='\vskip 0 mm \noindent ';
                   2577: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2578: 			} else {
                   2579: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2580: 			    my $URLpath=$urlp;
                   2581: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2582: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2583: 			}
                   2584: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2585: 		    }
1.174     sakharuk 2586: 		}
1.515     foxr     2587:                 #this chunk is responsible for printing the path to problem
                   2588: 
1.253     sakharuk 2589: 		my $newurlp=$urlp;
                   2590: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2591: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2592: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2593: 		if ($flag_latex_header_remove ne 'NO') {
                   2594: 		    $texversion = &latex_header_footer_remove($texversion);
                   2595: 		} else {
                   2596: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2597: 		}
                   2598: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2599: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2600: 		}
1.219     sakharuk 2601: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2602: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2603: 		    
                   2604: 		}
1.152     sakharuk 2605: 		$result .= $texversion;
                   2606: 	    }
                   2607: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2608: 	}
1.175     sakharuk 2609: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2610: 	$result .= '\end{document}';      	
1.140     sakharuk 2611:     }
                   2612: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2613: 
                   2614:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2615: 
                   2616:     if ($do_postprocessing) {
                   2617: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2618: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2619: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2620: 	#if ($numberofcolumns == 1) {
1.451     albertel 2621: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2622: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2623: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2624: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2625: 	#}
                   2626:     }
1.367     foxr     2627: 
1.515     foxr     2628:     # Set URLback if this is a construction space print so we can provide
                   2629:     # a link to the resource being edited.
                   2630:     #
1.274     sakharuk 2631: 
1.276     sakharuk 2632:     my $URLback=''; #link to original document
1.510     albertel 2633:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2634: 	#prints resource from the construction space
                   2635: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2636: 	if ($URLback=~/([^?]+)/) {
                   2637: 	    $URLback=$1;
                   2638: 	    $URLback=~s|^/~|/priv/|;
                   2639: 	}
1.276     sakharuk 2640:     }
1.556     foxr     2641:     #
                   2642:     # Final adjustment of the font size:
                   2643:     #
                   2644: 
                   2645:     $result = set_font_size($result);
1.375     foxr     2646: 
1.525     www      2647: #-- writing .tex file in prtspool 
                   2648:     my $temp_file;
                   2649:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2650:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2651:     if (!($#print_array>0)) { 
                   2652:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2653: 	  $r->log_error("Couldn't open $filename for output $!");
                   2654: 	  return SERVER_ERROR; 
                   2655:        }
                   2656:        print $temp_file $result;
                   2657:        my $begin=index($result,'\begin{document}',0);
                   2658:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2659:     } else {
1.525     www      2660:        my $begin=index($result,'\begin{document}',0);
                   2661:        my $inc=substr($result,0,$begin+16);
                   2662:        for (my $i=0;$i<=$#print_array;$i++) {
                   2663: 	  if ($i==0) {
                   2664: 	      $print_array[$i]=$result;
                   2665: 	  } else {
                   2666: 	      $print_array[$i].='\end{document}';
                   2667: 	      $print_array[$i] = 
                   2668: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2669: 				   $selectionmade, 
                   2670: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2671: 	    
1.525     www      2672: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2673: 	      substr($print_array[$i],0,$anobegin)='';
                   2674: 	      $print_array[$i]=$inc.$print_array[$i];
                   2675: 	  }
                   2676: 	  my $temp_file;
                   2677: 	  my $newfilename=$filename;
                   2678: 	  my $num=$i+1;
                   2679: 	  $newfilename =~s/\.tex$//; 
                   2680: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2681: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2682: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2683: 	      return SERVER_ERROR; 
                   2684: 	  }
                   2685: 	  print $temp_file $print_array[$i];
                   2686:        }
                   2687:     }
                   2688:     my $student_names='';
                   2689:     if ($#print_array>0) {
                   2690:         for (my $i=0;$i<=$#print_array;$i++) {
                   2691:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2692: 	}
1.525     www      2693:     } else {
                   2694: 	if ($#student_names>-1) {
                   2695: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2696: 	} else {
1.525     www      2697:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2698: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2699: 				    $env{'request.course.sec'},$fullname).
                   2700: 					'_ENDPERSON_'.'_END_';
                   2701: 	}
1.525     www      2702:      }
1.515     foxr     2703: 	
1.525     www      2704:      # logic for now is too complex to trace if this has been defined
                   2705:      #  yet.
                   2706:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2707:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2708:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2709: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2710: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2711: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2712: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2713: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2714: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2715: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2716: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2717: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2718: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2719:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2720: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2721: 				"cgi.$identifier.courseid" => $cnum, 
                   2722: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2723: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2724: 	
1.525     www      2725:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2726:     my $continue_text = &mt('Continue');
1.525     www      2727:     # If there's been an unrecoverable SSI error, report it to the user
                   2728:     if ($ssi_error) {
                   2729:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2730:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2731:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2732:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2733:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2734:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2735:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2736:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2737:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2738:     } else {
1.515     foxr     2739: 	$r->print(<<FINALEND);
1.317     albertel 2740: <br />
1.288     albertel 2741: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2742: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2743: $end_page
1.140     sakharuk 2744: FINALEND
1.528     raeburn  2745:     }                                     # endif ssi errors.
1.140     sakharuk 2746: }
                   2747: 
1.288     albertel 2748: 
                   2749: sub get_CODE {
1.381     albertel 2750:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2751:     my $max='1'.'0'x$size;
                   2752:     my $newcode;
                   2753:     while(1) {
1.392     albertel 2754: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2755: 	if (!exists($$all_codes{$newcode})) {
                   2756: 	    $$all_codes{$newcode}=1;
1.381     albertel 2757: 	    if ($type eq 'number' ) {
                   2758: 		return $newcode;
                   2759: 	    } else {
                   2760: 		return &num_to_letters($newcode);
                   2761: 	    }
1.288     albertel 2762: 	}
                   2763:     }
                   2764: }
1.140     sakharuk 2765: 
1.284     albertel 2766: sub print_resources {
1.360     albertel 2767:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2768: 	$LaTeXwidth)=@_;
1.284     albertel 2769:     my $current_output = ''; 
1.375     foxr     2770:     my $printed = '';
1.284     albertel 2771:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2772:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2773:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2774:     if ($person =~ 'anon') {
1.492     foxr     2775: 	$namepostfix .="Name: ";
1.288     albertel 2776: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2777:     }
1.444     foxr     2778:     #  Fullname may have special latex characters that need \ prefixing:
                   2779:     #
                   2780: 
1.350     foxr     2781:     my $i           = 0;
1.284     albertel 2782:     #goes through all resources, checks if they are available for 
                   2783:     #current student, and produces output   
1.428     albertel 2784: 
                   2785:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2786:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2787:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2788:     #
1.441     foxr     2789:     #   end each student with a 
1.440     foxr     2790:     #   Special that allows the post processor to even out the page
                   2791:     #   counts later.  Nasty problem this... it would be really
                   2792:     #   nice to put the special in as a postscript comment
1.441     foxr     2793:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2794:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2795:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2796:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2797:     #
1.568     foxr     2798:     my $syllabus_first = 0;
1.284     albertel 2799:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2800: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2801: 	    if($i != 0) {
                   2802: 		$current_output.= "\\newpage\n";
                   2803: 	    }
                   2804: 	}
                   2805: 	$i++;
1.511     foxr     2806: 
1.284     albertel 2807: 	if ( !($type eq 'problems' && 
                   2808: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2809: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2810: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2811: 		if ($res_url!~m|^ext/|
1.413     albertel 2812: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2813: 		    $printed .= $curresline.':';
1.428     albertel 2814: 		    &Apache::lonxml::remember_problem_counter();    
                   2815: 
1.526     www      2816: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2817: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2818: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2819: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2820: 			my %answerenv = %{$moreenv};
                   2821: 			$answerenv{'answer_output_mode'}='tex';
                   2822: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2823: 			
                   2824: 			&Apache::lonxml::restore_problem_counter();
                   2825: 
1.380     foxr     2826: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2827: 
1.305     sakharuk 2828: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2829: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2830: 			} else {
1.423     foxr     2831: 
                   2832: 			    
                   2833: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2834: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2835: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2836: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2837: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2838: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2839: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2840: 			    $body     = &encapsulate_minipage($body);
                   2841: 			    $rendered = $header.$body;
1.305     sakharuk 2842: 			}
                   2843: 		    }
1.511     foxr     2844: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2845: 			my $url = &Apache::lonnet::clutter($res_url);
                   2846: 			my $annotation = &annotate($url);
                   2847: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2848: 		    }
1.562     foxr     2849: 		    my $junk;
1.305     sakharuk 2850: 		    if ($remove_latex_header eq 'YES') {
                   2851: 			$rendered = &latex_header_footer_remove($rendered);
                   2852: 		    } else {
                   2853: 			$rendered =~ s/\\end{document}//;
                   2854: 		    }
                   2855: 		    $current_output .= $rendered;		    
1.456     raeburn  2856: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     2857: 		    if ($i == 1) {
                   2858: 			$syllabus_first = 1;
                   2859: 		    }
1.375     foxr     2860: 		    $printed .= $curresline.':';
1.528     raeburn  2861: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2862: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2863: 			my $url = &Apache::lonnet::clutter($res_url);
                   2864: 			my $annotation = &annotate($url);
                   2865: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2866: 		    }
1.305     sakharuk 2867: 		    if ($remove_latex_header eq 'YES') {
                   2868: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2869: 		    } else {
1.305     sakharuk 2870: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2871: 		    }
1.421     foxr     2872: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2873: 		} elsif($res_url = ~/\.pdf$/) {
                   2874: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2875: 		    my $rendered  = &include_pdf($url);
                   2876: 		    if ($remove_latex_header ne 'NO') {
                   2877: 			$rendered = &latex_header_footer_remove($rendered);
                   2878: 		    }
                   2879: 		    $current_output .= $rendered;
1.284     albertel 2880: 		} else {
1.414     albertel 2881: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2882: 		    if ($remove_latex_header ne 'NO') {
                   2883: 			$rendered = &latex_header_footer_remove($rendered);
                   2884: 		    } else {
                   2885: 			$rendered =~ s/\\end{document}//;
                   2886: 		    }
                   2887: 		    $current_output .= $rendered;
1.284     albertel 2888: 		}
                   2889: 	    }
                   2890: 	    $remove_latex_header = 'YES';
1.550     foxr     2891: 	} 
1.331     albertel 2892: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2893:     }
1.552     foxr     2894: 
                   2895: 
1.284     albertel 2896:     my $courseidinfo = &get_course();
1.568.2.4  raeburn  2897:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   2898:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1.284     albertel 2899:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2900:     my $header_line =
1.486     foxr     2901: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.568.2.4  raeburn  2902: 			    $currentassignment, $courseidinfo, $fullname);
1.476     albertel 2903:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2904: 	                                         : '\fancyhead[LO]';
                   2905:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     2906:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 2907: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     2908:     } elsif ($syllabus_first) {
                   2909: 
                   2910: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 2911:     } else {
1.476     albertel 2912: 	my $blankpages = 
                   2913: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2914: 	    
                   2915: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2916: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2917: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2918: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2919:     }
1.440     foxr     2920:     #
                   2921:     #  Close the student bracketing.
                   2922:     #
1.375     foxr     2923:     return ($current_output,$fullname, $printed);
1.284     albertel 2924: 
                   2925: }
1.140     sakharuk 2926: 
1.3       sakharuk 2927: sub handler {
                   2928: 
                   2929:     my $r = shift;
1.397     albertel 2930:     
                   2931:     &init_perm();
1.114     bowersj2 2932: 
1.416     foxr     2933: 
1.67      www      2934: 
1.397     albertel 2935:     my $helper = printHelper($r);
                   2936:     if (!ref($helper)) {
                   2937: 	return $helper;
1.60      sakharuk 2938:     }
1.177     sakharuk 2939:    
1.184     sakharuk 2940: 
1.454     foxr     2941:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     2942:  
1.416     foxr     2943: 
1.350     foxr     2944: 
                   2945: 
1.367     foxr     2946:     #  If a figure conversion queue file exists for this user.domain
                   2947:     # we delete it since it can only be bad (if it were good, printout.pl
                   2948:     # would have deleted it the last time around.
                   2949: 
1.373     albertel 2950:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     2951:     if(-e $conversion_queuefile) {
                   2952: 	unlink $conversion_queuefile;
                   2953:     }
1.515     foxr     2954:     
                   2955: 
1.184     sakharuk 2956:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 2957:     return OK;
1.60      sakharuk 2958: } 
1.2       sakharuk 2959: 
1.131     bowersj2 2960: use Apache::lonhelper;
1.130     sakharuk 2961: 
1.223     bowersj2 2962: sub addMessage {
                   2963:     my $text = shift;
                   2964:     my $paramHash = Apache::lonhelper::getParamHash();
                   2965:     $paramHash->{MESSAGE_TEXT} = $text;
                   2966:     Apache::lonhelper::message->new();
                   2967: }
                   2968: 
1.416     foxr     2969: 
1.238     bowersj2 2970: 
1.397     albertel 2971: sub init_perm {
                   2972:     undef(%perm);
                   2973:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   2974:     if (!$perm{'pav'}) {
                   2975: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   2976: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2977:     }
1.465     albertel 2978:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 2979:     if (!$perm{'pfo'}) {
                   2980: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   2981: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   2982:     }
                   2983: }
                   2984: 
1.507     albertel 2985: sub get_randomly_ordered_warning {
                   2986:     my ($helper,$map) = @_;
                   2987: 
                   2988:     my $message;
                   2989: 
                   2990:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   2991:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  2992:     if (defined($navmap)) {
                   2993:         my $res = $navmap->getResourceByUrl($map);
                   2994:         if ($res) {
                   2995: 	    my $func = 
                   2996: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   2997: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   2998: 	    if (@matches) {
                   2999: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3000: 	    }
                   3001:         }
                   3002:         if ($message) {
                   3003: 	    return '<message type="warning">'.$message.'</message>';
                   3004:         }
                   3005:     } else {
                   3006:         $message = "Retrieval of information about ordering of resources failed."; 
                   3007:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3008:     }
                   3009:     return;
                   3010: }
                   3011: 
1.131     bowersj2 3012: sub printHelper {
1.115     bowersj2 3013:     my $r = shift;
                   3014: 
                   3015:     if ($r->header_only) {
1.373     albertel 3016:         if ($env{'browser.mathml'}) {
1.241     www      3017:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3018:         } else {
1.241     www      3019:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3020:         }
                   3021:         $r->send_http_header;
                   3022:         return OK;
1.115     bowersj2 3023:     }
                   3024: 
1.131     bowersj2 3025:     # Send header, nocache
1.373     albertel 3026:     if ($env{'browser.mathml'}) {
1.241     www      3027:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3028:     } else {
1.241     www      3029:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3030:     }
                   3031:     &Apache::loncommon::no_cache($r);
                   3032:     $r->send_http_header;
                   3033:     $r->rflush();
                   3034: 
1.131     bowersj2 3035:     # Unfortunately, this helper is so complicated we have to
                   3036:     # write it by hand
                   3037: 
                   3038:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3039:     
1.176     bowersj2 3040:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3041:     $helper->declareVar('symb');
1.156     bowersj2 3042:     $helper->declareVar('postdata');    
1.290     sakharuk 3043:     $helper->declareVar('curseed'); 
                   3044:     $helper->declareVar('probstatus');   
1.156     bowersj2 3045:     $helper->declareVar('filename');
                   3046:     $helper->declareVar('construction');
1.178     sakharuk 3047:     $helper->declareVar('assignment');
1.262     sakharuk 3048:     $helper->declareVar('style_file');
1.340     foxr     3049:     $helper->declareVar('student_sort');
1.363     foxr     3050:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3051:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3052:     $helper->declareVar("showallfoils");
1.483     foxr     3053:     $helper->declareVar("STUDENTS");
1.363     foxr     3054: 
1.518     foxr     3055: 
                   3056:    
                   3057: 
                   3058: 
1.363     foxr     3059:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     3060:     # But we only do this in the initial state so that they are allowed to change.
                   3061:     #
1.366     foxr     3062: 
1.416     foxr     3063:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     3064:     
                   3065:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3066: 						{'pagebreaks'  => 'scalar',
                   3067: 					         'lastprinttype' => 'scalar'});
                   3068:     
1.483     foxr     3069:     # This will persistently load in the data we want from the
                   3070:     # very first screen.
1.394     foxr     3071:     
                   3072:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3073: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3074: 	    
                   3075: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3076: 	} else {
                   3077: 	    my $state = $env{"form.CURRENT_STATE"};
                   3078: 	    if ($state eq "START") {
                   3079: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3080: 	    }
                   3081: 	}
                   3082: 	
1.366     foxr     3083:     }
1.481     albertel 3084: 
1.156     bowersj2 3085:     # Detect whether we're coming from construction space
1.373     albertel 3086:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3087:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3088:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3089:     } else {
1.373     albertel 3090:         if ($env{'form.postdata'}) {
                   3091:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3092: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3093: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3094: 	    }
1.156     bowersj2 3095:         }
1.373     albertel 3096:         if ($env{'form.symb'}) {
                   3097:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3098:         }
1.373     albertel 3099:         if ($env{'form.url'}) {
1.156     bowersj2 3100:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3101:         }
1.416     foxr     3102: 
1.157     bowersj2 3103:     }
1.481     albertel 3104: 
1.373     albertel 3105:     if ($env{'form.symb'}) {
                   3106:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3107:     }
1.373     albertel 3108:     if ($env{'form.url'}) {
1.140     sakharuk 3109:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3110: 
1.140     sakharuk 3111:     }
1.343     albertel 3112:     $helper->{VARS}->{'symb'}=
                   3113: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3114:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3115:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3116: 
1.156     bowersj2 3117:     
1.146     bowersj2 3118:     # Extract map
                   3119:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3120:     my ($map, $id, $url);
                   3121:     my $subdir;
1.483     foxr     3122:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3123: 
                   3124:     # Get the resource name from construction space
                   3125:     if ($helper->{VARS}->{'construction'}) {
                   3126:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3127:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3128:         $subdir = substr($helper->{VARS}->{'filename'},
                   3129:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3130:     } else {
1.562     foxr     3131: 	# From course space:
                   3132: 
1.482     albertel 3133: 	if ($symb ne '') {
                   3134: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3135: 	    $helper->{VARS}->{'postdata'} = 
                   3136: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3137: 	} else {
                   3138: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3139: 	    $is_published=1;	# From resource space.
1.482     albertel 3140: 	}
                   3141: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3142:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3143:             my $postdata = $helper->{VARS}->{'postdata'};
                   3144:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3145:         }
                   3146:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3147:     }
1.373     albertel 3148:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3149: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3150:     }
1.373     albertel 3151:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3152: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3153:     }
1.115     bowersj2 3154: 
1.192     bowersj2 3155:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3156: 
1.481     albertel 3157:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3158: 
1.131     bowersj2 3159:     # "Delete everything after the last slash."
1.119     bowersj2 3160:     $subdir =~ s|/[^/]+$||;
                   3161: 
1.131     bowersj2 3162:     # What can be printed is a very dynamic decision based on
                   3163:     # lots of factors. So we need to dynamically build this list.
                   3164:     # To prevent security leaks, states are only added to the wizard
                   3165:     # if they can be reached, which ensures manipulating the form input
                   3166:     # won't allow anyone to reach states they shouldn't have permission
                   3167:     # to reach.
                   3168: 
                   3169:     # printChoices is tracking the kind of printing the user can
                   3170:     # do, and will be used in a choices construction later.
                   3171:     # In the meantime we will be adding states and elements to
                   3172:     # the helper by hand.
                   3173:     my $printChoices = [];
                   3174:     my $paramHash;
1.130     sakharuk 3175: 
1.240     albertel 3176:     if ($resourceTitle) {
1.458     www      3177:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3178:     }
                   3179: 
1.238     bowersj2 3180:     # Useful filter strings
1.540     raeburn  3181:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3182:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3183:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3184:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3185:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3186:     my $isMap = '$res->is_map()';
1.342     albertel 3187:     my $symbFilter = '$res->shown_symb()';
                   3188:     my $urlValue = '$res->link()';
1.238     bowersj2 3189: 
                   3190:     $helper->declareVar('SEQUENCE');
                   3191: 
1.465     albertel 3192:     # If we're in a sequence...
1.416     foxr     3193: 
1.465     albertel 3194:     my $start_new_option;
                   3195:     if ($perm{'pav'}) {
                   3196: 	$start_new_option = 
                   3197: 	    "<option text='".&mt('Start new page<br />before selected').
                   3198: 	    "' variable='FINISHPAGE' />";
                   3199:     }
1.238     bowersj2 3200: 
1.562     foxr     3201:     # If not construction space user can print the components of a page:
                   3202: 
                   3203:     my $page_ispage;
                   3204:     my $page_title;
                   3205:     if (!$helper->{VARS}->{'construction'}) {
                   3206: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3207: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3208: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3209: 	if (defined($page_navmap)) {
                   3210: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3211: 	    if(defined($page_resources[0])) {
                   3212: 		$page_ispage       = $page_resources[0]->is_page();
                   3213: 		$page_title     = $page_resources[0]->title();
                   3214: 		my $resourcesymb   = $page_resources[0]->symb();
                   3215: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3216: 		if ($page_ispage) {
                   3217: 		    push @{$printChoices}, 
                   3218: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3219: 		     'map_problems_in_page', 
                   3220: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3221: 		    push @{$printChoices}, 
                   3222: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3223: 		     'map_resources_in_page', 
                   3224: 		     'CHOOSE_RESOURCES_PAGE'];
                   3225: 		}
1.562     foxr     3226:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3227: 							'Select Problem(s) to print',
                   3228: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3229: 							'RESOURCES',
                   3230: 							'PAGESIZE',
                   3231: 							$url,
                   3232: 							$isProblem, '',  $symbFilter,
                   3233: 							$start_new_option);
                   3234: 
                   3235: 
                   3236:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3237: 						    'Select Resource(s) to print',
                   3238: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3239: 						    'RESOURCES',
                   3240: 						    'PAGESIZE',
                   3241: 						    $url,
                   3242: 						    $isNotMap, '', $symbFilter,
                   3243: 						    $start_new_option);
                   3244: 
                   3245: 						    
                   3246: 
                   3247: 
                   3248: 
                   3249: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3250: 	
1.563     foxr     3251: 	    }
                   3252: 	}
1.562     foxr     3253:     }
                   3254: 
                   3255:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3256: 	$helper->{VARS}->{'postdata'} &&
                   3257: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3258:         # Allow problems from sequence
1.562     foxr     3259:         push @{$printChoices}, 
                   3260: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3261: 	     'map_problems', 
                   3262: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3263:         # Allow all resources from sequence
1.562     foxr     3264:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3265: 				'map_problems_pages', 
                   3266: 				'CHOOSE_PROBLEMS_HTML'];
                   3267:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3268: 							'Select Problem(s) to print',
                   3269: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3270: 							'RESOURCES',
                   3271: 							'PAGESIZE',
                   3272: 							$map,
                   3273: 							$isProblem, '',
                   3274: 							$symbFilter,
                   3275: 							$start_new_option);
                   3276: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3277: 						      'Select Resource(s) to print',
                   3278: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3279: 						      'RESOURCES',
                   3280: 						      'PAGESIZE',
                   3281: 						      $map,
                   3282: 						      $isNotMap, '',
                   3283: 						      $symbFilter,
                   3284: 						      $start_new_option);
1.121     bowersj2 3285: 
1.326     sakharuk 3286: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3287:     }
                   3288: 
1.546     bisitz   3289:     # If the user has pfo (print for others) allow them to print all 
                   3290:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3291:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3292:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3293:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3294: 
1.509     albertel 3295:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3296: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3297: 	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     3298: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3299:   <state name="STUDENTS1" title="Select People">
                   3300:       <message><b>Select sorting order of printout</b> </message>
                   3301:     <choices variable='student_sort'>
                   3302:       <choice computer='0'>Sort by section then student</choice>
                   3303:       <choice computer='1'>Sort by students across sections.</choice>
                   3304:     </choices>
                   3305:       <message><br /><hr /><br /> </message>
                   3306:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3307:   </state>
1.284     albertel 3308: ALL_PROBLEMS
1.562     foxr     3309:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3310: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3311: 							      'SelectProblem(s) to print',
                   3312: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3313: 							      'RESOURCES',
                   3314: 							      'PAGESIZE',
                   3315: 							      '',
                   3316: 							      $isProblemOrMap, $isNotMap,
                   3317: 							      $symbFilter,
                   3318: 							      $start_new_option) .
                   3319: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3320: 							      'Select Resource(s) to print',
                   3321: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3322: 							      'RESOURCES',
                   3323: 							      'PAGESIZE',
                   3324: 							      '',
                   3325: 							      $isNotMap,'',$symbFilter,
                   3326: 							      $start_new_option) .
                   3327: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3328: 							      'Select Problem(s) to print',
                   3329: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3330: 							      'RESOURCES',
                   3331: 							      'STUDENTS1',
                   3332: 							      '',
                   3333: 							      $isProblemOrMap,'' , $symbFilter,
                   3334: 							      $start_new_option) .
                   3335: 				     $suffixXml
                   3336: 				   );
1.132     bowersj2 3337: 
1.284     albertel 3338: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3339: 
                   3340: 	    # If we were looking at a page, allow a selection of problems from the page
                   3341: 	    # either for selected students or for coded assignments.
                   3342: 
                   3343: 	    if ($page_ispage) {
                   3344: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3345: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3346: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3347: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3348: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3349: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3350: 	    }
                   3351: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3352: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3353: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3354: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3355: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3356: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3357: 	}
1.424     foxr     3358: 
1.507     albertel 3359: 	my $randomly_ordered_warning = 
                   3360: 	    &get_randomly_ordered_warning($helper,$map);
                   3361: 
1.424     foxr     3362: 	# resource_selector will hold a few states that:
                   3363: 	#   - Allow resources to be selected for printing.
                   3364: 	#   - Determine pagination between assignments.
                   3365: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3366:         # TODO:
                   3367: 	#    Probably good to do things like separate this up into several vars, each
                   3368: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3369: 	#    and next states for better mix and match capability
                   3370: 	#
1.562     foxr     3371: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3372: 							  'Select resources to print',
                   3373: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3374: 							  'RESOURCES', 
                   3375: 							  'PRINT_FORMATTING',
1.568.2.1  raeburn  3376: 							  $map,
1.562     foxr     3377: 							  $isProblem, '', $symbFilter,
                   3378: 							  $start_new_option);
                   3379: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3380:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3381:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3382:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3383:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3384:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3385:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3386:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3387:     </choices>
1.424     foxr     3388:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3389:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3390:     <choices variable="SPLIT_PDFS">
                   3391:        <choice computer="all">All assignments in a single PDF file</choice>
                   3392:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3393:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3394:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3395:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3396:     </choices>
1.424     foxr     3397:     </state>
1.284     albertel 3398: RESOURCE_SELECTOR
1.562     foxr     3399:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3400: 							'Select Problem(s) to print',
                   3401: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3402: 							'RESOURCES',
                   3403: 							'PRINT_FORMATTING',
                   3404: 							$url,
                   3405: 							$isProblem, '',  $symbFilter,
                   3406: 							$start_new_option);
                   3407: 
                   3408: 
                   3409: # Generate student choosers.
                   3410: 
                   3411: 
1.284     albertel 3412: 
1.562     foxr     3413:         &Apache::lonxml::xmlparse($r, 'helper',
                   3414: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3415: 							    'student_sort',
                   3416: 							    'STUDENTS',
                   3417: 							    'CHOOSE_STUDENTS_PAGE'));
                   3418: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3419: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3420: 							    'student_sort',
                   3421: 							    'STUDENTS',
                   3422: 							    'SELECT_PROBLEMS'));
                   3423: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3424: 
1.373     albertel 3425: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3426: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3427:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3428: 	my $namechoice='<choice></choice>';
1.337     albertel 3429: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3430: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3431: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3432: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3433: 	}
1.389     foxr     3434: 
                   3435: 
                   3436: 	my %code_values;
1.405     albertel 3437: 	my %codes_to_print;
1.411     albertel 3438: 	foreach my $key (@names) {
1.389     foxr     3439: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3440: 	    foreach my $key (keys(%code_values)) {
                   3441: 		$codes_to_print{$key} = 1;
1.388     foxr     3442: 	    }
                   3443: 	}
1.389     foxr     3444: 
1.452     albertel 3445: 	my $code_selection;
1.405     albertel 3446: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3447: 	    my $choice  = $code;
                   3448: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3449: 		$choice = &letters_to_num($code);
                   3450: 	    }
1.432     albertel 3451: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3452: 	}
1.436     albertel 3453: 	if (%codes_to_print) {
                   3454: 	    $code_selection .='   
1.472     albertel 3455: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3456: 		<message></td><td></message>
1.452     albertel 3457: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3458:                   <choice></choice>
1.448     albertel 3459:                   <exec>
                   3460:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3461:                   </exec>
1.452     albertel 3462: 		</dropdown>
1.468     foxr     3463: 	    <message></td></tr><tr><td></message>
1.436     albertel 3464:             '.$/;
1.448     albertel 3465: 
1.436     albertel 3466: 	}
1.432     albertel 3467: 
1.542     raeburn  3468:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3469: 	my $codechoice='';
1.542     raeburn  3470: 	foreach my $line (@lines) {
1.381     albertel 3471: 	    my ($name,$description,$code_type,$code_length)=
                   3472: 		(split(/:/,$line))[0,1,2,4];
                   3473: 	    if ($code_length > 0 && 
                   3474: 		$code_type =~/^(letter|number|-1)/) {
                   3475: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3476: 	    }
                   3477: 	}
                   3478: 	if ($codechoice eq '') {
                   3479: 	    $codechoice='<choice computer="default">Default</choice>';
                   3480: 	}
1.562     foxr     3481: 	my $anon1 = &generate_code_selector($helper, 
                   3482: 					    'CHOOSE_ANON1',
                   3483: 					    'SELECT_PROBLEMS',
                   3484: 					    $codechoice,
                   3485: 					    $code_selection,
                   3486: 					    $namechoice) . $resource_selector;
                   3487: 					    
                   3488: 					    
                   3489:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3490: 
                   3491: 	my $anon_page = &generate_code_selector($helper,
                   3492: 						'CHOOSE_ANON1_PAGE',
                   3493: 						'SELECT_PROBLEMS_PAGE',
                   3494: 						$codechoice,
                   3495: 						$code_selection,
                   3496: 						$namechoice) .
                   3497: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3498: 						   'Select Problem(s) to print',
                   3499: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3500: 						   'RESOURCES',
                   3501: 						   'PRINT_FORMATTING',
                   3502: 						   $url,
                   3503: 						   $isProblem, '',  $symbFilter,
                   3504: 						   $start_new_option);
                   3505: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3506: 
1.272     sakharuk 3507: 
1.254     sakharuk 3508: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3509: 	    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'];
                   3510: 	    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 3511: 	}
1.284     albertel 3512: 	    
                   3513: 
                   3514: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3515:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3516:     $randomly_ordered_warning
1.424     foxr     3517:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3518:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3519:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3520:               closeallpages="1">
1.254     sakharuk 3521:       <filterfunc>return $isNotMap;</filterfunc>
                   3522:       <mapurl>$map</mapurl>
                   3523:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3524:       $start_new_option
1.254     sakharuk 3525:       </resource>
1.424     foxr     3526:     </state>
1.562     foxr     3527: 
1.424     foxr     3528:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3529:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3530:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3531:     <choices variable="EMPTY_PAGES">
                   3532:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3533:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3534:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3535:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3536:     </choices>
1.424     foxr     3537:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3538:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3539:     <choices variable="SPLIT_PDFS">
                   3540:        <choice computer="all">All assignments in a single PDF file</choice>
                   3541:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3542:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3543:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3544:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3545:     </choices>
1.424     foxr     3546:     </state>
1.284     albertel 3547: RESOURCE_SELECTOR
                   3548: 
                   3549: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3550:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3551:     <choices variable='student_sort'>
                   3552:       <choice computer='0'>Sort by section then student</choice>
                   3553:       <choice computer='1'>Sort by students across sections.</choice>
                   3554:     </choices>
1.437     foxr     3555:     <message><br /><hr /><br /></message>
1.426     foxr     3556:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3557: 
1.424     foxr     3558:     </state>
1.284     albertel 3559:     $resource_selector
1.254     sakharuk 3560: CHOOSE_STUDENTS1
                   3561: 
1.284     albertel 3562: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3563:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3564:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3565:     <message><h4>Fill out one of the forms below</h4></message>
                   3566:     <message><br /><hr /> <br /></message>
                   3567:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3568:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3569:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3570:        <validator>
                   3571: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3572: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3573: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3574: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3575: 	    return "You need to specify the number of assignments to print";
                   3576: 	}
                   3577: 	return undef;
                   3578:        </validator>
                   3579:     </string>
                   3580:     <message></td></tr><tr><td></message>
1.501     albertel 3581:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3582:     <message></td><td></message>
                   3583:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3584:     <message></td></tr><tr><td></message>
                   3585:     <message><b>Bubble sheet type:</b></message>
                   3586:     <message></td><td></message>
                   3587:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3588:     $codechoice
                   3589:     </dropdown>
1.472     albertel 3590:     <message></td></tr><tr><td></table></message>
                   3591:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3592:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3593:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3594:         <validator>
                   3595: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3596: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3597: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3598: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3599: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3600: 	   } else {
                   3601: 	       return undef;	# Other forces control us.
                   3602: 	   }
                   3603:         </validator>
                   3604:     </string>
1.472     albertel 3605:     <message></td></tr><tr><td></message>
1.432     albertel 3606:         $code_selection
1.472     albertel 3607:     <message></td></tr></table></message>
                   3608:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3609:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3610:     <message></td><td></message>
1.294     albertel 3611:     <dropdown variable="REUSE_OLD_CODES">
                   3612:         $namechoice
                   3613:     </dropdown>
1.412     albertel 3614:     <message></td></tr></table></message>
1.424     foxr     3615:   </state>
1.284     albertel 3616:     $resource_selector
                   3617: CHOOSE_ANON2
1.481     albertel 3618:     }
                   3619: 
1.121     bowersj2 3620:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3621:     if (($perm{'pav'} 
1.482     albertel 3622: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3623: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3624: 	    ||
                   3625: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3626: 	     && 
                   3627: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3628: 	    )) 
                   3629: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3630: 	) {
                   3631: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3632:         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 3633:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3634:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3635: 
1.138     bowersj2 3636:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3637:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3638:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3639: CHOOSE_FROM_SUBDIR
                   3640:         
1.238     bowersj2 3641:         # this is broken up because I really want interpolation above,
                   3642:         # and I really DON'T want it below
1.139     bowersj2 3643:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3644:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3645: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3646:       </filefilter>
1.138     bowersj2 3647:       </files>
1.131     bowersj2 3648:     </state>
                   3649: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3650:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3651:     }
1.238     bowersj2 3652: 
                   3653:     # Allow the user to select any sequence in the course, feed it to
                   3654:     # another resource selector for that sequence
1.483     foxr     3655:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3656: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3657: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3658: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3659: 	#Escape apostrophes and backslashes for Perl
                   3660: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3661: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3662: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3663:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3664:     <message>Select the sequence to print resources from:</message>
                   3665:     <resource variable="SEQUENCE">
                   3666:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3667:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3668:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3669:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3670: 	</choicefunc>
1.238     bowersj2 3671:       </resource>
                   3672:     </state>
                   3673:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3674:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3675:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3676:               closeallpages="1">
1.238     bowersj2 3677:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3678:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3679:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3680:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3681:       $start_new_option
1.238     bowersj2 3682:       </resource>
                   3683:     </state>
                   3684: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3685: }
1.481     albertel 3686: 
1.131     bowersj2 3687:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3688:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3689:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3690:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3691:     Apache::lonhelper::message->new();
                   3692:     $paramHash = Apache::lonhelper::getParamHash();
                   3693:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3694:     $paramHash->{CHOICES} = $printChoices;
                   3695:     Apache::lonhelper::choices->new();
1.161     bowersj2 3696: 
1.223     bowersj2 3697:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3698:                           # to close it later)
                   3699: 
1.397     albertel 3700:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3701: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3702: 	&addMessage('<br />'
                   3703:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3704:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3705:                    .&Apache::lonhtmlcommon::row_title(
                   3706:                        '<label for="ANSWER_TYPE_forminput">'
                   3707:                       .&mt('Print Answers')
                   3708:                       .'</label>'
                   3709:                     )
                   3710:         );
1.161     bowersj2 3711:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3712: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3713: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3714:         $paramHash->{CHOICES} = [
1.242     sakharuk 3715:                                    ['Without Answers', 'yes'],
                   3716:                                    ['With Answers', 'no'],
1.368     albertel 3717:                                    ['Only Answers', 'only']
1.289     sakharuk 3718:                                 ];
1.210     sakharuk 3719:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3720: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3721: 	$startedTable = 1;
1.556     foxr     3722: 
                   3723: #
                   3724: #  Select font size.
                   3725: #
                   3726: 
                   3727:             $helper->declareVar('fontsize');
                   3728:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3729:             my $xmlfrag = << "FONT_SELECTION";
                   3730: 
                   3731:           
                   3732:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3733:             <defaultvalue>
                   3734: 		  return 'normalsize';
                   3735:             </defaultvalue>
                   3736:             <choice computer='tiny'>Tiny</choice>
                   3737:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3738:             <choice computer='footnotesize'>Footnote Size</choice>
                   3739:             <choice computer='small'>Small</choice>
                   3740:             <choice computer='normalsize'>Normal (default)</choice>
                   3741:             <choice computer='large'>larger than normal</choice>
                   3742:             <choice computer='Large'>Even larger than normal</choice>
                   3743:             <choice computer='LARGE'>Still larger than normal</choice>
                   3744:             <choice computer='huge'>huge font size</choice>
                   3745:             <choice computer='Huge'>Largest possible size</choice>
                   3746:             </dropdown>
                   3747: FONT_SELECTION
                   3748:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3749:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3750:     }
1.209     sakharuk 3751: 
1.397     albertel 3752:     if ($perm{'pav'}) {
1.223     bowersj2 3753: 	if (!$startedTable) {
1.497     www      3754: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3755:                        '<label for="LATEX_TYPE_forminput">'.
                   3756:                        &mt('LaTeX mode').
                   3757:                        "</label>: </td><td>");
1.223     bowersj2 3758: 	    $startedTable = 1;
                   3759: 	} else {
1.544     bisitz   3760: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3761:                            '<label for="LATEX_TYPE_forminput">'
                   3762:                            .&mt('LaTeX mode')
                   3763:                            .'</label>'
                   3764:                         )
                   3765:             );
1.223     bowersj2 3766: 	}
1.203     sakharuk 3767:         $paramHash = Apache::lonhelper::getParamHash();
                   3768: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3769: 	$helper->declareVar('LATEX_TYPE');  
                   3770: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3771: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3772: 				     ['standard LaTeX mode', 'standard'], 
                   3773: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3774: 	} else {
                   3775: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3776: 				     ['LaTeX batchmode', 'batchmode'],
                   3777: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3778: 	}
1.210     sakharuk 3779:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3780:  
1.544     bisitz   3781: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3782:                    .&Apache::lonhtmlcommon::row_title(
                   3783:                         '<label for="TABLE_CONTENTS_forminput">'
                   3784:                        .&mt('Print Table of Contents')
                   3785:                        .'</label>'
                   3786:                     )
                   3787:         );
1.209     sakharuk 3788:         $paramHash = Apache::lonhelper::getParamHash();
                   3789: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3790: 	$helper->declareVar('TABLE_CONTENTS');         
                   3791:         $paramHash->{CHOICES} = [
1.223     bowersj2 3792:                                    ['No', 'no'],
                   3793:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3794:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3795: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3796:         
1.220     sakharuk 3797: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3798: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3799:                             '<label for="TABLE_INDEX_forminput">'
                   3800:                            .&mt('Print Index')
                   3801:                            .'</label>'
                   3802:                         )
                   3803:             );
1.220     sakharuk 3804: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3805: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3806: 	    $helper->declareVar('TABLE_INDEX');         
                   3807: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3808: 				     ['No', 'no'],
                   3809: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3810: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3811:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3812:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3813:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3814:                            .&mt('Print Discussions')
                   3815:                            .'</label>'
                   3816:                         )
                   3817:             );
1.309     sakharuk 3818: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3819: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3820: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3821: 	    $paramHash->{CHOICES} = [
                   3822: 				     ['No', 'no'],
                   3823: 				     ['Yes', 'yes'] ];
                   3824: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3825:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3826: 
1.511     foxr     3827: 	    # Prompt for printing annotations too.
                   3828: 		
1.545     bisitz   3829: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3830:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3831:                            .&mt('Print Annotations')
                   3832:                            .'</label>'
                   3833:                         )
                   3834:             );
1.511     foxr     3835: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3836: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3837: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3838: 	    $paramHash->{CHOICES} = [
                   3839: 				     ['No', 'no'],
                   3840: 				     ['Yes', 'yes']];
                   3841: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3842:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3843: 
1.545     bisitz   3844:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3845: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3846: 	    $paramHash->{'multichoice'} = "true";
                   3847: 	    $paramHash->{'allowempty'}  = "true";
                   3848: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   3849: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 3850: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3851:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3852: 	}
1.219     sakharuk 3853: 
1.230     albertel 3854: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3855: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3856:             my $randseedtext=&mt("Use random seed");
                   3857:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3858:             my $selectfiletext=&mt("Select style file");
1.497     www      3859: 
1.544     bisitz   3860: 	    my $xmlfrag .= '<message>'
                   3861:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3862:                                               .$randseedtext
                   3863:                                               .'</label>'
                   3864:              )
                   3865:             .'</message>
                   3866:             <string variable="curseed" size="15" maxlength="15">
                   3867:                 <defaultvalue>
                   3868:                    return '.$helper->{VARS}->{'curseed'}.';
                   3869:                 </defaultvalue>'
                   3870:             .'</string>'
                   3871:             .'<message>'
                   3872:             .&Apache::lonhtmlcommon::row_closure()
                   3873:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3874:                                               .$stylefiletext
                   3875:                                               .'</label>'
                   3876:              )
                   3877:             .'</message>
1.504     albertel 3878:              <string variable="style_file" size="40">
1.544     bisitz   3879:                 <defaultvalue>
                   3880:                     return '.$stylevalue.';
                   3881:                 </defaultvalue>
                   3882:              </string><message>&nbsp;'
                   3883: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   3884: .$selectfiletext.'</a>'
                   3885:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   3886:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   3887:             .'</message>
1.371     foxr     3888: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   3889:                 <choice computer="1">&nbsp;</choice>
                   3890:              </choices>'
                   3891: 	    .'<message>'
                   3892:             .&Apache::lonhtmlcommon::row_closure()
                   3893:             .'</message>';
1.230     albertel 3894:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     3895: 
                   3896: 
1.544     bisitz   3897:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     3898: 	    #
                   3899: 	    # Initial value from construction space:
                   3900: 	    #
                   3901: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   3902: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   3903: 	    }
1.518     foxr     3904: 	    $xmlfrag = << "PROBTYPE";
                   3905: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   3906: 		   <defaultvalue>
                   3907: 		      return "$helper->{VARS}->{'probstatus'}";
                   3908:                    </defaultvalue>
                   3909: 		   <choice computer="problem">Homework Problem</choice>
                   3910: 		   <choice computer="exam">Exam Problem</choice>
                   3911: 		   <choice computer="survey">Survey question</choice>
                   3912: 		</dropdown>
                   3913: PROBTYPE
                   3914:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   3915:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     3916: 
1.556     foxr     3917: 
                   3918: 
1.544     bisitz   3919:         }
1.223     bowersj2 3920:     }
1.264     sakharuk 3921: 
                   3922: 
                   3923: 
1.218     sakharuk 3924: 
1.223     bowersj2 3925:     if ($startedTable) {
1.544     bisitz   3926:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 3927:     }
1.161     bowersj2 3928: 
1.131     bowersj2 3929:     Apache::lonprintout::page_format_state->new("FORMAT");
                   3930: 
1.144     bowersj2 3931:     # Generate the PAGESIZE state which will offer the user the margin
                   3932:     # choices if they select one column
                   3933:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   3934:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   3935: 
                   3936: 
1.131     bowersj2 3937:     $helper->process();
                   3938: 
1.416     foxr     3939: 
1.131     bowersj2 3940:     # MANUAL BAILOUT CONDITION:
                   3941:     # If we're in the "final" state, bailout and return to handler
                   3942:     if ($helper->{STATE} eq 'FINAL') {
                   3943:         return $helper;
                   3944:     }    
1.130     sakharuk 3945: 
1.131     bowersj2 3946:     $r->print($helper->display());
1.395     www      3947:     if ($helper->{STATE} eq 'START') {
                   3948: 	&recently_generated($r);
                   3949:     }
1.333     albertel 3950:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 3951: 
                   3952:     return OK;
                   3953: }
                   3954: 
1.1       www      3955: 
                   3956: 1;
1.119     bowersj2 3957: 
                   3958: package Apache::lonprintout::page_format_state;
                   3959: 
                   3960: =pod
                   3961: 
1.131     bowersj2 3962: =head1 Helper element: page_format_state
                   3963: 
                   3964: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 3965: 
1.131     bowersj2 3966: Apache::lonprintout::page_format_state is an element that gives the 
                   3967: user an opportunity to select the page layout they wish to print 
                   3968: with: Number of columns, portrait/landscape, and paper size. If you 
                   3969: want to change the paper size choices, change the @paperSize array 
                   3970: contents in this package.
1.119     bowersj2 3971: 
1.131     bowersj2 3972: page_format_state is always directly invoked in lonprintout.pm, so there
                   3973: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 3974: 
                   3975: =over 4
                   3976: 
1.131     bowersj2 3977: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 3978: 
                   3979: =back
                   3980: 
                   3981: =cut
                   3982: 
1.131     bowersj2 3983: use Apache::lonhelper;
1.119     bowersj2 3984: 
                   3985: no strict;
1.131     bowersj2 3986: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 3987: use strict;
1.266     sakharuk 3988: use Apache::lonlocal;
1.373     albertel 3989: use Apache::lonnet;
1.119     bowersj2 3990: 
                   3991: my $maxColumns = 2;
1.376     albertel 3992: # it'd be nice if these all worked
                   3993: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   3994: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   3995: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   3996: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 3997: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 3998: 		 "a4 [210x297 mm]");
1.119     bowersj2 3999: 
                   4000: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4001: #                   Paper type
                   4002: 
                   4003: sub new { 
1.131     bowersj2 4004:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4005: 
1.135     bowersj2 4006:     shift;
                   4007: 
1.131     bowersj2 4008:     $self->{'variable'} = shift;
1.134     bowersj2 4009:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4010:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4011:     bless($self);
1.119     bowersj2 4012:     return $self;
                   4013: }
                   4014: 
                   4015: sub render {
                   4016:     my $self = shift;
1.131     bowersj2 4017:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4018:     my $result = '';
1.131     bowersj2 4019:     my $var = $self->{'variable'};
1.266     sakharuk 4020:     my $PageLayout=&mt('Page layout');
                   4021:     my $NumberOfColumns=&mt('Number of columns');
                   4022:     my $PaperType=&mt('Paper type');
1.506     albertel 4023:     my $landscape=&mt('Landscape');
                   4024:     my $portrait=&mt('Portrait');
1.556     foxr     4025:     
                   4026: 
1.544     bisitz   4027:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4028:             .&Apache::loncommon::start_data_table()
                   4029:             .&Apache::loncommon::start_data_table_header_row()
                   4030:             .'<th>'.$PageLayout.'</th>'
                   4031:             .'<th>'.$NumberOfColumns.'</th>'
                   4032:             .'<th>'.$PaperType.'</th>'
                   4033:             .&Apache::loncommon::end_data_table_header_row()
                   4034:             .&Apache::loncommon::start_data_table_row()
                   4035:     .'<td>'
                   4036:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4037:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4038:     .'</td>';
1.119     bowersj2 4039: 
1.544     bisitz   4040:     $result.='<td align="center">'
                   4041:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4042: 
                   4043:     my $i;
                   4044:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4045:         if ($i == 2) {
1.553     bisitz   4046:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4047:         } else {
1.553     bisitz   4048:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4049:         }
                   4050:     }
                   4051: 
                   4052:     $result .= "</select></td><td>\n";
                   4053:     $result .= "<select name='${var}.paper'>\n";
                   4054: 
1.373     albertel 4055:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4056:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4057:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4058:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4059:     $i = 0;
                   4060:     foreach (@paperSize) {
1.326     sakharuk 4061: 	$_=~/(\w+)/;
                   4062: 	my $papersize=$1;
1.304     sakharuk 4063:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4064:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4065:         } else {
1.553     bisitz   4066:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4067:         }
                   4068:         $i++;
                   4069:     }
1.539     onken    4070:     $result .= <<HTML;
                   4071:         </select>
1.568.2.2  raeburn  4072:         <hidden name="${var}.pdfFormFields" value="no" />
1.539     onken    4073:     </td>
                   4074: HTML
1.544     bisitz   4075:     $result.=&Apache::loncommon::end_data_table_row()
                   4076:             .&Apache::loncommon::end_data_table();
1.539     onken    4077: 
1.119     bowersj2 4078:     return $result;
1.135     bowersj2 4079: }
                   4080: 
                   4081: sub postprocess {
                   4082:     my $self = shift;
                   4083: 
                   4084:     my $var = $self->{'variable'};
1.136     bowersj2 4085:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4086:     $helper->{VARS}->{$var} = 
1.373     albertel 4087:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4088:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4089:     return 1;
1.119     bowersj2 4090: }
                   4091: 
                   4092: 1;
1.144     bowersj2 4093: 
                   4094: package Apache::lonprintout::page_size_state;
                   4095: 
                   4096: =pod
                   4097: 
                   4098: =head1 Helper element: page_size_state
                   4099: 
                   4100: See lonhelper.pm documentation for discussion of the helper framework.
                   4101: 
                   4102: Apache::lonprintout::page_size_state is an element that gives the 
                   4103: user the opportunity to further refine the page settings if they
                   4104: select a single-column page.
                   4105: 
                   4106: page_size_state is always directly invoked in lonprintout.pm, so there
                   4107: is no tag interface. You actually pass parameters to the constructor.
                   4108: 
                   4109: =over 4
                   4110: 
                   4111: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4112: 
                   4113: =back
                   4114: 
                   4115: =cut
                   4116: 
                   4117: use Apache::lonhelper;
1.373     albertel 4118: use Apache::lonnet;
1.144     bowersj2 4119: no strict;
                   4120: @ISA = ("Apache::lonhelper::element");
                   4121: use strict;
                   4122: 
                   4123: 
                   4124: 
                   4125: sub new { 
                   4126:     my $self = Apache::lonhelper::element->new();
                   4127: 
                   4128:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4129:            # package descriptor)... - Jeremy
                   4130: 
                   4131:     $self->{'variable'} = shift;
                   4132:     my $helper = Apache::lonhelper::getHelper();
                   4133:     $helper->declareVar($self->{'variable'});
                   4134: 
                   4135:     # The variable name of the format element, so we can look into 
                   4136:     # $helper->{VARS} to figure out whether the columns are one or two
                   4137:     $self->{'formatvar'} = shift;
                   4138: 
1.463     foxr     4139: 
1.144     bowersj2 4140:     $self->{NEXTSTATE} = shift;
                   4141:     bless($self);
1.467     foxr     4142: 
1.144     bowersj2 4143:     return $self;
                   4144: }
                   4145: 
                   4146: sub render {
                   4147:     my $self = shift;
                   4148:     my $helper = Apache::lonhelper::getHelper();
                   4149:     my $result = '';
                   4150:     my $var = $self->{'variable'};
                   4151: 
1.467     foxr     4152: 
                   4153: 
1.144     bowersj2 4154:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4155:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4156:     }
                   4157: 
1.438     foxr     4158:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4159: 
                   4160:     # Use format to get sensible defaults for the margins:
                   4161: 
                   4162: 
                   4163:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4164:     ($papersize)                      = split(/ /, $papersize);
                   4165: 
1.559     foxr     4166:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4167: 
                   4168: 
                   4169: 
1.464     albertel 4170:     my %size;
                   4171:     ($size{'width_and_units'},
                   4172:      $size{'height_and_units'},
                   4173:      $size{'margin_and_units'})=
                   4174: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4175:     
1.464     albertel 4176:     foreach my $dimension ('width','height','margin') {
                   4177: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4178: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4179:        	
                   4180: 	foreach my $unit ('cm','in') {
                   4181: 	    $size{$dimension.'_options'} .= '<option ';
                   4182: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4183: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4184: 	    }
                   4185: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4186: 	}
1.438     foxr     4187:     }
                   4188: 
1.470     foxr     4189:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4190: 
                   4191:     if ($size{'margin_unit'} eq 'in') {
                   4192: 	$size{'margin'} += 1;
                   4193:     }  else {
                   4194: 	$size{'margin'} += 2.54;
                   4195:     }
1.548     bisitz   4196:     my %lt = &Apache::lonlocal::texthash(
                   4197:         'format' => 'How should each column be formatted?',
                   4198:         'width'  => 'Width',
                   4199:         'height' => 'Height',
                   4200:         'margin' => 'Left Margin'
                   4201:     );
                   4202: 
                   4203:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4204:               .&Apache::lonhtmlcommon::start_pick_box()
                   4205:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4206:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4207:               .'<select name="'.$var.'.widthunit">'
                   4208:               .$size{'width_options'}
                   4209:               .'</select>'
                   4210:               .&Apache::lonhtmlcommon::row_closure()
                   4211:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4212:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4213:               .'<select name="'.$var.'.heightunit">'
                   4214:               .$size{'height_options'}
                   4215:               .'</select>'
                   4216:               .&Apache::lonhtmlcommon::row_closure()
                   4217:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4218:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4219:               .'<select name="'.$var.'.lmarginunit">'
                   4220:               .$size{'margin_options'}
                   4221:               .'</select>'
                   4222:               .&Apache::lonhtmlcommon::row_closure(1)
                   4223:               .&Apache::lonhtmlcommon::end_pick_box();
                   4224:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4225:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4226: 
                   4227:     return $result;
                   4228: }
                   4229: 
1.470     foxr     4230: 
1.144     bowersj2 4231: sub preprocess {
                   4232:     my $self = shift;
                   4233:     my $helper = Apache::lonhelper::getHelper();
                   4234: 
                   4235:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4236: 
                   4237:     #  If the user does not have 'pav' privilege, set default widths and
                   4238:     #  on to the next state right away.
                   4239:     #
                   4240:     if (!$perm{'pav'}) {
                   4241: 	my $var = $self->{'variable'};
                   4242: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4243: 	
                   4244: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4245: 	($papersize)                      = split(/ /, $papersize);
                   4246: 	
                   4247: 	
1.560     foxr     4248: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4249: 
1.467     foxr     4250: 	#  Figure out some good defaults for the print out and set them:
                   4251: 	
                   4252: 	my %size;
                   4253: 	($size{'width'},
                   4254: 	 $size{'height'},
                   4255: 	 $size{'lmargin'})=
                   4256: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4257: 	
                   4258: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4259: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4260: 	    	    
1.467     foxr     4261: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4262: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4263: 	    
                   4264: 	}
                   4265: 	
                   4266: 
                   4267: 	# Transition to the next state
                   4268: 
                   4269: 	$helper->changeState($self->{NEXTSTATE});
                   4270:     }
1.144     bowersj2 4271:    
                   4272:     return 1;
                   4273: }
                   4274: 
                   4275: sub postprocess {
                   4276:     my $self = shift;
                   4277: 
                   4278:     my $var = $self->{'variable'};
                   4279:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4280:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4281:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4282:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4283:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4284:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4285:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4286: 
                   4287:     my $error = '';
                   4288: 
                   4289:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4290:     # by an optional period, followed by digits, ending the string
                   4291: 
1.464     albertel 4292:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4293:         $error .= "Invalid width; please type only a number.<br />\n";
                   4294:     }
1.464     albertel 4295:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4296:         $error .= "Invalid height; please type only a number.<br />\n";
                   4297:     }
1.464     albertel 4298:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4299:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4300:     } else {
                   4301: 	# Adjust for LaTeX 1.0 inch margin:
                   4302: 
                   4303: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4304: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4305: 	} else {
                   4306: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4307: 	}
1.144     bowersj2 4308:     }
                   4309: 
                   4310:     if (!$error) {
                   4311:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4312:         return 1;
                   4313:     } else {
                   4314:         $self->{ERROR_MSG} = $error;
                   4315:         return 0;
                   4316:     }
                   4317: }
                   4318: 
                   4319: 
1.119     bowersj2 4320: 
1.1       www      4321: __END__
1.6       sakharuk 4322: 

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