Annotation of loncom/interface/lonprintout.pm, revision 1.583.2.1

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.583.2.1! raeburn     5: # $Id: lonprintout.pm,v 1.583 2010/08/04 22:17:14 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>
1.579     foxr      199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    205: 
1.562     foxr      206: 	    return "You need to specify the number of assignments to print";
                    207: 	}
1.578     foxr      208:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    209:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    210:             return 'Specifying number of codes to print and a specific code is not compatible';
                    211:         }
1.562     foxr      212: 	return undef;
                    213:        </validator>
                    214:     </string>
                    215:     <message></td></tr><tr><td></message>
                    216:     <message><b>Names to save the CODEs under for later:</b></message>
                    217:     <message></td><td></message>
                    218:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    219:     <message></td></tr><tr><td></message>
                    220:     <message><b>Bubble sheet type:</b></message>
                    221:     <message></td><td></message>
                    222:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    223:     $bubble_types
                    224:     </dropdown>
                    225:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    226:     <message></td></tr><tr><td></table></message>
                    227:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    228:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    229:     <string variable="SINGLE_CODE" size="10">
                    230:         <validator>
                    231: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    232: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    233: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    234: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    235: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      236: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      237: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      238: 	   } else {
                    239: 	       return undef;	# Other forces control us.
                    240: 	   }
                    241:         </validator>
                    242:     </string>
                    243:     <message></td></tr><tr><td></message>
                    244:         $code_selections
                    245:     <message></td></tr></table></message>
                    246:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    247:     <message><b>Select saved CODEs:</b></message>
                    248:     <message></td><td></message>
                    249:     <dropdown variable="REUSE_OLD_CODES">
                    250:         $saved_codes
                    251:     </dropdown>
                    252:     <message></td></tr></table></message>
                    253:   </state>
                    254: CHOOSE_ANON1
                    255: 
                    256:    return $result;
                    257: }
                    258: 
                    259: #-----------------------------------------------------------------------
                    260: 
1.515     foxr      261: 
1.498     foxr      262: # Fetch the contents of a resource, uninterpreted.
                    263: # This is used here to fetch a latex file to be included
                    264: # verbatim into the printout<
                    265: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    266: #
                    267: # Parameters:
                    268: #   URL of the file
                    269: #
                    270: sub fetch_raw_resource {
                    271:     my ($url) = @_;
                    272: 
                    273:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      274:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      275: 
1.500     foxr      276:     if ($contents == -1) {
                    277: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      278:     }
1.500     foxr      279:     return $contents;
1.498     foxr      280: 
                    281:     
                    282: }
                    283: 
1.511     foxr      284: #  Fetch the annotations associated with a URL and 
                    285: #  put a centered 'annotations:' title.
                    286: #  This is all suppressed if the annotations are empty.
                    287: #
                    288: sub annotate {
                    289:     my ($symb) = @_;
                    290: 
1.559     foxr      291:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      292: 
                    293: 
                    294:     my $result = "";
                    295: 
                    296:     if (length($annotation_text) > 0) {
                    297: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    298: 	$result .= "\n";
                    299: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    300: 	$result .= "\n\n";
                    301:     }
                    302:     return $result;
                    303: }
                    304: 
1.556     foxr      305: #
                    306: #   Set a global document font size:
                    307: #   This is done by replacing \begin{document}
                    308: #   with \begin{document}{\some-font-directive
                    309: #   and \end{document} with
                    310: #   }\end{document
                    311: #
                    312: sub set_font_size {
                    313: 
                    314:     my ($text) = @_;
                    315: 
1.575     foxr      316:     # There appear to be cases where the font directive is empty.. in which
                    317:     # case the first substituion would  insert a spurious \ oh happy day.
                    318:     # as this has been the cause of much mystery and hair pulling _sigh_
                    319: 
                    320:     if ($font_size ne '') {
                    321: 
                    322: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    323:     }
1.556     foxr      324:     $text =~ s/\\end{document}/}\\end{document}/;
                    325:     return $text;
                    326: 
                    327: 
                    328: }
                    329: 
1.550     foxr      330: # include_pdf - PDF files are included into the 
                    331: # output as follows:
                    332: #  - The PDF, if necessary, is replicated.
                    333: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    334: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    335: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    336: #
                    337: # Parameters:
                    338: #   pdf_uri   - URI of the PDF file to include.
                    339: #   
                    340: # Returns:
                    341: #  The LaTeX to include.
                    342: #
                    343: # Assumptions:
                    344: #    The uri is actually a PDF file
                    345: #    The postscript will have the includepsheader.ps included.
                    346: #
                    347: #
                    348: sub include_pdf {
                    349:     my ($pdf_uri) = @_;
                    350: 
                    351:     # Where is the file? If not local we'll need to repcopy it:'
                    352: 
                    353:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    354:     if (! -e $file) {
                    355: 	&Apache::lonnet::repcopy($file);
                    356: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    357:     }
                    358: 
                    359:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    360:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    361:     # need tob e converted for this print job:
                    362: 
                    363:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    364: 
                    365:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    366:     print FILE ("$file\n");
                    367:     close (FILE);
                    368: 
                    369:     # Construct the special to put out.  To do this we need to get the
                    370:     # resulting filename after conversion.  The file will have the same name
                    371:     # but will be in the user's spool directory with converted images.
                    372: 
                    373:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    374:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    375: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    376:     $base =~ s/ /\_/g;
                    377: 
                    378: 
1.551     foxr      379:     my $output = &print_latex_header();
1.550     foxr      380:     $output    .= '\special{ps: _begin_job_ ('
                    381: 	.$base.'.pdf.eps'.
                    382: 	')run _end_job_}';
                    383: 
                    384:     return $output;
                    385: 
                    386: 
                    387: }
                    388: 
1.515     foxr      389: 
                    390: #
1.559     foxr      391: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      392: #                      if the ssi call returns an error we'll retry it up to
                    393: #                      the number of times requested by the caller.
                    394: #                      If we still have a proble, no text is appended to the
                    395: #                      output and we set some global variables.
1.523     raeburn   396: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      397: #                      All of this is supposed to deal with the issues described
                    398: #                      in LonCAPA BZ 5631 see:
                    399: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    400: #                      by informing the user that this happened.
                    401: #
                    402: # Parameters:
                    403: #   resource   - The resource to include.  This is passed directly, without
                    404: #                interpretation to lonnet::ssi.
                    405: #   form       - The form hash parameters that guide the interpretation of the resource
                    406: #                
                    407: #   retries    - Number of retries allowed before giving up completely.
                    408: # Returns:
                    409: #   On success, returns the rendered resource identified by the resource parameter.
                    410: # Side Effects:
                    411: #   The following global variables can be set:
1.523     raeburn   412: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      413: #                               It is up to the caller to initialize this to false
                    414: #                               if desired.
1.523     raeburn   415: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      416: #                               of the resource that could not be rendered by the ssi
                    417: #                               call.
                    418: #    ssi_last_error           - The error string fetched from the ssi response
                    419: #                               in the event of an error.
                    420: #
                    421: sub ssi_with_retries {
                    422:     my ($resource, $retries, %form) = @_;
                    423: 
1.559     foxr      424:     my $target = $form{'grade_target'};
                    425:     my $aom    = $form{'answer_output_mode'};
                    426: 
                    427: 
1.515     foxr      428: 
1.516     foxr      429:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    430:     if (!$response->is_success) {
1.515     foxr      431: 	$ssi_error               = 1;
                    432: 	$ssi_last_error_resource = $resource;
1.516     foxr      433: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   434:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      435: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      436:     }
1.516     foxr      437: 
                    438:     return $content;
                    439: 
1.515     foxr      440: }
                    441: 
1.524     www       442: sub get_student_view_with_retries {
                    443:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    444: 
                    445:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    446:     if (!$response->is_success) {
                    447:         $ssi_error               = 1;
1.526     www       448:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       449:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   450:         $content='\section*{!!! An error occurred !!!}';
1.526     www       451:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       452:     }
                    453:     return $content;
                    454: 
                    455: }
                    456: 
1.486     foxr      457: #
                    458: #   printf_style_subst  item format_string repl
                    459: #  
                    460: # Does printf style substitution for a format string that
                    461: # can have %[n]item in it.. wherever, %[n]item occurs,
                    462: # rep is substituted in format_string.  Note that
                    463: # [n] is an optional integer length.  If provided,
                    464: # repl is truncated to at most [n] characters prior to 
                    465: # substitution.
                    466: #
                    467: sub printf_style_subst {
                    468:     my ($item, $format_string, $repl) = @_;
1.490     foxr      469:     my $result = "";
                    470:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  471: 	my $fmt = $1;
                    472: 	my $size = $2;
1.486     foxr      473: 	my $subst = $repl;
                    474: 	if ($size ne "") {
                    475: 	    $subst = substr($subst, 0, $size);
1.490     foxr      476: 	    
                    477: 	    #  Here's a nice edge case.. supose the end of the
                    478: 	    #  substring is a \.  In that case may have  just
                    479: 	    #  chopped off a TeX escape... in that case, we append
                    480: 	    #   " " for the trailing character, and let the field 
                    481: 	    #  spill over a bit (sigh).
                    482: 	    #  We don't just chop off the last character in order to deal
                    483: 	    #  with one last pathology, and that would be if substr had
                    484: 	    #  trimmed us to e.g. \\\  
                    485: 
                    486: 
                    487: 	    if ($subst =~ /\\$/) {
                    488: 		$subst .= " ";
                    489: 	    }
1.486     foxr      490: 	}
1.490     foxr      491: 	my $item_pos = pos($format_string);
                    492: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    493:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      494:     }
1.490     foxr      495: 
                    496:     # Put the residual format string into the result:
                    497: 
                    498:     $result .= $format_string;
                    499: 
                    500:     return $result;
1.486     foxr      501: }
                    502: 
1.454     foxr      503: 
                    504: # Format a header according to a format.  
                    505: # 
                    506: 
                    507: # Substitutions:
                    508: #     %a    - Assignment name.
                    509: #     %c    - Course name.
                    510: #     %n    - Student name.
1.537     foxr      511: #     %s    - The section if it is supplied.
1.454     foxr      512: #
                    513: sub format_page_header {
1.583.2.1! raeburn   514:     my ($width, $format, $assignment, $course, $student) = @_;
1.537     foxr      515: 
1.565     foxr      516: 
                    517: 
1.486     foxr      518:     $width = &recalcto_mm($width); # Get width in mm.
1.583.2.1! raeburn   519:     my $chars_per_line = int($width/2);   # Character/textline.
1.565     foxr      520: 
1.454     foxr      521:     #  Default format?
                    522: 
                    523:     if ($format eq '') {
1.486     foxr      524: 	# For the default format, we may need to truncate
                    525: 	# elements..  To do this we need to get the page width.
                    526: 	# we assume that each character is about 2mm in width.
                    527: 	# (correct for the header text size??).  We ignore
                    528: 	# any formatting (e.g. boldfacing in this).
                    529: 	# 
                    530: 	# - Allow the student/course to be one line.
                    531: 	#   but only truncate the course.
                    532: 	# - Allow the assignment to be 2 lines (wrapped).
                    533: 	#
1.565     foxr      534: 
1.583.2.1! raeburn   535:         my $firstline = "$student $course";
        !           536:         if (length($firstline) > $chars_per_line) {
        !           537:             my $lastchar = $chars_per_line - length($student) - 1;
        !           538:             if ($lastchar > 0) {
        !           539:                 $course = substr($course, 0, $lastchar);
        !           540:             } else {            # Nothing left of course:
        !           541:                 $course = '';
        !           542:             }
        !           543:         }
        !           544:         if (length($assignment) > $chars_per_line) {
        !           545:             $assignment = substr($assignment, 0, $chars_per_line);
        !           546:         }
1.486     foxr      547: 
1.583.2.1! raeburn   548:         $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1.489     foxr      549: 
1.583.2.1! raeburn   550:     } else {
        !           551:         # An open question is how to handle long user formatted page headers...
        !           552:         # A possible future is to support e.g. %na so that the user can control
        !           553:         # the truncation of the elements that can appear in the header.
        !           554:         #
        !           555:         $format =  &printf_style_subst("a", $format, $assignment);
        !           556:         $format =  &printf_style_subst("c", $format, $course);
        !           557:         $format =  &printf_style_subst("n", $format, $student);
        !           558:     
        !           559:         # If the user put %'s in the format string, they must be escaped
        !           560:         # to \% else LaTeX will think they are comments and terminate
        !           561:         # the line.. which is bad!!!
1.490     foxr      562: 
1.454     foxr      563:     }
1.537     foxr      564:     
1.454     foxr      565:     return $format;
                    566: }
1.397     albertel  567: 
1.385     foxr      568: #
                    569: #   Convert a numeric code to letters
                    570: #
                    571: sub num_to_letters {
                    572:     my ($num) = @_;
                    573:     my @nums= split('',$num);
                    574:     my @num_to_let=('A'..'Z');
                    575:     my $word;
                    576:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    577:     return $word;
                    578: }
                    579: #   Convert a letter code to numeric.
                    580: #
                    581: sub letters_to_num {
                    582:     my ($letters) = @_;
                    583:     my @letters = split('', uc($letters));
1.490     foxr      584:    my %substitution;
1.385     foxr      585:     my $digit = 0;
                    586:     foreach my $letter ('A'..'J') {
                    587: 	$substitution{$letter} = $digit;
                    588: 	$digit++;
                    589:     }
                    590:     #  The substitution is done as below to preserve leading
                    591:     #  zeroes which are needed to keep the code size exact
                    592:     #
                    593:     my $result ="";
                    594:     foreach my $letter (@letters) {
                    595: 	$result.=$substitution{$letter};
                    596:     }
                    597:     return $result;
                    598: }
                    599: 
1.383     foxr      600: #  Determine if a code is a valid numeric code.  Valid
                    601: #  numeric codes must be comprised entirely of digits and
1.384     albertel  602: #  have a correct number of digits.
1.383     foxr      603: #
                    604: #  Parameters:
                    605: #     value      - proposed code value.
1.384     albertel  606: #     num_digits - Number of digits required.
1.383     foxr      607: #
                    608: sub is_valid_numeric_code {
1.384     albertel  609:     my ($value, $num_digits) = @_;
1.383     foxr      610:     #   Remove leading/trailing whitespace;
1.387     foxr      611:     $value =~ s/^\s*//g;
                    612:     $value =~ s/\s*$//g;
1.383     foxr      613:     
                    614:     #  All digits?
1.387     foxr      615:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      616: 	return "Numeric code $value has invalid characters - must only be digits";
                    617:     }
1.384     albertel  618:     if (length($value) != $num_digits) {
                    619: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    620:     }
1.385     foxr      621:     return undef;
1.383     foxr      622: }
                    623: #   Determines if a code is a valid alhpa code.  Alpha codes
                    624: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  625: #   They also have a correct digit count.
1.383     foxr      626: # Parameters:
                    627: #     value          - Proposed code value.
1.384     albertel  628: #     num_letters    - correct number of letters.
1.383     foxr      629: # Note:
                    630: #    leading and trailing whitespace are ignored.
                    631: #
                    632: sub is_valid_alpha_code {
1.384     albertel  633:     my ($value, $num_letters) = @_;
1.383     foxr      634:     
                    635:      # strip leading and trailing spaces.
                    636: 
                    637:     $value =~ s/^\s*//g;
                    638:     $value =~ s/\s*$//g;
                    639: 
                    640:     #  All alphas in the right range?
1.384     albertel  641:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      642: 	return "Invalid letter code $value must only contain A-J";
                    643:     }
1.384     albertel  644:     if (length($value) != $num_letters) {
                    645: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    646:     }
1.385     foxr      647:     return undef;
1.383     foxr      648: }
                    649: 
1.382     foxr      650: #   Determine if a code entered by the user in a helper is valid.
                    651: #   valid depends on the code type and the type of code selected.
                    652: #   The type of code selected can either be numeric or 
                    653: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    654: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    655: #   We'll be nice and be case insensitive for alpha codes.
                    656: # Parameters:
                    657: #    code_value    - the value of the code the user typed in.
                    658: #    code_option   - The code type selected from the set in the scantron format
                    659: #                    table.
                    660: # Returns:
                    661: #    undef         - The code is valid.
                    662: #    other         - An error message indicating what's wrong.
                    663: #
                    664: sub is_code_valid {
                    665:     my ($code_value, $code_option) = @_;
1.383     foxr      666:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   667:     my @lines = &Apache::grades::get_scantronformat_file();
                    668:     foreach my $line (@lines) {
1.383     foxr      669: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    670: 	if($name eq $code_option) {
                    671: 	    $code_length = $length;
                    672: 	    if($type eq 'number') {
                    673: 		$code_type = 'number';
                    674: 	    }
                    675: 	}
                    676:     }
                    677:     my $valid;
                    678:     if ($code_type eq 'number') {
1.385     foxr      679: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      680:     } else {
1.385     foxr      681: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      682:     }
1.382     foxr      683: 
                    684: }
                    685: 
1.341     foxr      686: #   Compare two students by name.  The students are in the form
                    687: #   returned by the helper:
                    688: #      user:domain:section:last,   first:status
                    689: #   This is a helper function for the perl sort built-in  therefore:
                    690: # Implicit Inputs:
                    691: #    $a     - The first element to compare (global)
                    692: #    $b     - The second element to compare (global)
                    693: # Returns:
                    694: #   -1   - $a < $b
                    695: #    0   - $a == $b
                    696: #   +1   - $a > $b
                    697: #   Note that the initial comparison is done on the last names with the
                    698: #   first names only used to break the tie.
                    699: #
                    700: #
                    701: sub compare_names {
                    702:     #  First split the names up into the primary fields.
                    703: 
                    704:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    705:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    706: 
                    707:     # Now split the last name and first name of each n:
                    708:     #
                    709: 
                    710:     my ($l1,$f1) = split(/,/, $n1);
                    711:     my ($l2,$f2) = split(/,/, $n2);
                    712: 
                    713:     # We don't bother to remove the leading/trailing whitespace from the
                    714:     # firstname, unless the last names compare identical.
                    715: 
                    716:     if($l1 lt $l2) {
                    717: 	return -1;
                    718:     }
                    719:     if($l1 gt $l2) {
                    720: 	return  1;
                    721:     }
                    722: 
                    723:     # Break the tie on the first name, but there are leading (possibly trailing
                    724:     # whitespaces to get rid of first 
                    725:     #
                    726:     $f1 =~ s/^\s+//;		# Remove leading...
                    727:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    728:     
                    729:     $f2 =~ s/^\s+//;
                    730:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    731: 
                    732:     if($f1 lt $f2) {
                    733: 	return -1;
                    734:     }
                    735:     if($f1 gt $f2) {
                    736: 	return 1;
                    737:     }
                    738:     
                    739:     #  Must be the same name.
                    740: 
                    741:     return 0;
                    742: }
                    743: 
1.71      sakharuk  744: sub latex_header_footer_remove {
                    745:     my $text = shift;
                    746:     $text =~ s/\\end{document}//;
                    747:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    748:     return $text;
                    749: }
1.423     foxr      750: #
                    751: #  If necessary, encapsulate text inside 
                    752: #  a minipage env.
                    753: #  necessity is determined by the problem_split param.
                    754: #
                    755: sub encapsulate_minipage {
                    756:     my ($text) = @_;
1.427     albertel  757:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      758: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    759:     }
                    760:     return $text;
                    761: }
1.429     foxr      762: #
                    763: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    764: #  variables interact, this sub looks at these two parameters
                    765: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    766: #     all     - if SPLIT_PDFS eq 'all'.
                    767: #     1       - if SPLIT_PDFS eq 'oneper'
                    768: #     section - if SPLIT_PDFS eq 'sections'
                    769: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    770: #
                    771: sub adjust_number_to_print {
                    772:     my $helper = shift;
1.71      sakharuk  773: 
1.429     foxr      774:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    775:     
                    776:     if ($split_pdf eq 'all') {
                    777: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    778:     } elsif ($split_pdf eq 'oneper') {
                    779: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    780:     } elsif ($split_pdf eq 'sections') {
                    781: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    782:     } elsif ($split_pdf eq 'usenumber') {
                    783: 	#  Unmodified.
                    784:     } else {
                    785: 	# Error!!!!
1.536     foxr      786: 	
                    787: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      788: 
                    789:     }
                    790: }
1.71      sakharuk  791: 
1.531     foxr      792: 
1.37      sakharuk  793: sub character_chart {
1.531     foxr      794:     my $result = shift;
                    795:     return  &Apache::entities::replace_entities($result);
                    796: }
                    797: 
                    798: sub old_character_chart {
1.37      sakharuk  799:     my $result = shift;	
1.116     sakharuk  800:     $result =~ s/&\#0?0?(7|9);//g;
                    801:     $result =~ s/&\#0?(10|13);//g;
                    802:     $result =~ s/&\#0?32;/ /g;
                    803:     $result =~ s/&\#0?33;/!/g;
                    804:     $result =~ s/&(\#0?34|quot);/\"/g;
                    805:     $result =~ s/&\#0?35;/\\\#/g;
                    806:     $result =~ s/&\#0?36;/\\\$/g;
                    807:     $result =~ s/&\#0?37;/\\%/g; 
                    808:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    809:     $result =~ s/&\#(0?39|146);/\'/g;
                    810:     $result =~ s/&\#0?40;/(/g;
                    811:     $result =~ s/&\#0?41;/)/g;
                    812:     $result =~ s/&\#0?42;/\*/g;
                    813:     $result =~ s/&\#0?43;/\+/g;
                    814:     $result =~ s/&\#(0?44|130);/,/g;
                    815:     $result =~ s/&\#0?45;/-/g;
                    816:     $result =~ s/&\#0?46;/\./g;
                    817:     $result =~ s/&\#0?47;/\//g;
                    818:     $result =~ s/&\#0?48;/0/g;
                    819:     $result =~ s/&\#0?49;/1/g;
                    820:     $result =~ s/&\#0?50;/2/g;
                    821:     $result =~ s/&\#0?51;/3/g;
                    822:     $result =~ s/&\#0?52;/4/g;
                    823:     $result =~ s/&\#0?53;/5/g;
                    824:     $result =~ s/&\#0?54;/6/g;
                    825:     $result =~ s/&\#0?55;/7/g;
                    826:     $result =~ s/&\#0?56;/8/g;
                    827:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  828:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  829:     $result =~ s/&\#0?59;/;/g;
                    830:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  831:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    832:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  833:     $result =~ s/&\#0?63;/\?/g;
                    834:     $result =~ s/&\#0?65;/A/g;
                    835:     $result =~ s/&\#0?66;/B/g;
                    836:     $result =~ s/&\#0?67;/C/g;
                    837:     $result =~ s/&\#0?68;/D/g;
                    838:     $result =~ s/&\#0?69;/E/g;
                    839:     $result =~ s/&\#0?70;/F/g;
                    840:     $result =~ s/&\#0?71;/G/g;
                    841:     $result =~ s/&\#0?72;/H/g;
                    842:     $result =~ s/&\#0?73;/I/g;
                    843:     $result =~ s/&\#0?74;/J/g;
                    844:     $result =~ s/&\#0?75;/K/g;
                    845:     $result =~ s/&\#0?76;/L/g;
                    846:     $result =~ s/&\#0?77;/M/g;
                    847:     $result =~ s/&\#0?78;/N/g;
                    848:     $result =~ s/&\#0?79;/O/g;
                    849:     $result =~ s/&\#0?80;/P/g;
                    850:     $result =~ s/&\#0?81;/Q/g;
                    851:     $result =~ s/&\#0?82;/R/g;
                    852:     $result =~ s/&\#0?83;/S/g;
                    853:     $result =~ s/&\#0?84;/T/g;
                    854:     $result =~ s/&\#0?85;/U/g;
                    855:     $result =~ s/&\#0?86;/V/g;
                    856:     $result =~ s/&\#0?87;/W/g;
                    857:     $result =~ s/&\#0?88;/X/g;
                    858:     $result =~ s/&\#0?89;/Y/g;
                    859:     $result =~ s/&\#0?90;/Z/g;
                    860:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  861:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  862:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  863:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  864:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    865:     $result =~ s/&\#(0?96|145);/\`/g;
                    866:     $result =~ s/&\#0?97;/a/g;
                    867:     $result =~ s/&\#0?98;/b/g;
                    868:     $result =~ s/&\#0?99;/c/g;
                    869:     $result =~ s/&\#100;/d/g;
                    870:     $result =~ s/&\#101;/e/g;
                    871:     $result =~ s/&\#102;/f/g;
                    872:     $result =~ s/&\#103;/g/g;
                    873:     $result =~ s/&\#104;/h/g;
                    874:     $result =~ s/&\#105;/i/g;
                    875:     $result =~ s/&\#106;/j/g;
                    876:     $result =~ s/&\#107;/k/g;
                    877:     $result =~ s/&\#108;/l/g;
                    878:     $result =~ s/&\#109;/m/g;
                    879:     $result =~ s/&\#110;/n/g;
                    880:     $result =~ s/&\#111;/o/g;
                    881:     $result =~ s/&\#112;/p/g;
                    882:     $result =~ s/&\#113;/q/g;
                    883:     $result =~ s/&\#114;/r/g;
                    884:     $result =~ s/&\#115;/s/g;
                    885:     $result =~ s/&\#116;/t/g;
                    886:     $result =~ s/&\#117;/u/g;
                    887:     $result =~ s/&\#118;/v/g;
                    888:     $result =~ s/&\#119;/w/g;
                    889:     $result =~ s/&\#120;/x/g;
                    890:     $result =~ s/&\#121;/y/g;
                    891:     $result =~ s/&\#122;/z/g;
                    892:     $result =~ s/&\#123;/\\{/g;
                    893:     $result =~ s/&\#124;/\|/g;
                    894:     $result =~ s/&\#125;/\\}/g;
                    895:     $result =~ s/&\#126;/\~/g;
                    896:     $result =~ s/&\#131;/\\textflorin /g;
                    897:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  898:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    899:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    900:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  901:     $result =~ s/&\#137;/\\textperthousand /g;
                    902:     $result =~ s/&\#140;/{\\OE}/g;
                    903:     $result =~ s/&\#147;/\`\`/g;
                    904:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  905:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  906:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  907:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  908:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  909:     $result =~ s/&\#153;/\\texttrademark /g;
                    910:     $result =~ s/&\#156;/\\oe/g;
                    911:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  912:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  913:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    914:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    915:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    916:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    917:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    918:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    919:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      920:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  921:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    922:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  923:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  924:     $result =~ s/&(\#173|shy);/ - /g;
                    925:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  926:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    927:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    928:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    929:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    930:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      931:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  932:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  933:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  934:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  935:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  936:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  937:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    938:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    939:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    940:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    941:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    942:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    943:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    944:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    945:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    946:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    947:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    948:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    949:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    950:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    951:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    952:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    953:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    954:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    955:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    956:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    957:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    958:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    959:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    960:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    961:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    962:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    963:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  964:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  965:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    966:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    967:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    968:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    969:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    970:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  971:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  972:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    973:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    974:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    975:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    976:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    977:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    978:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    979:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    980:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    981:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    982:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    983:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    984:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    985:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    986:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    987:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  988:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  989:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    990:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    991:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    992:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    993:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    994:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  995:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    997:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    998:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    999:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1000:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1001:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1002:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1003:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1004:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1005: #Greek Alphabet
1.281     sakharuk 1006:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1007:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1008:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1009:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1010:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1011:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1012:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1013:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1014:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1015:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1016:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1017:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1018:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1019:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1020:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1021:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1022:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1023:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1024:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1025:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1026:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1027:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1028:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1029:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1030:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1031:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1032:     $result =~ s/&(Alpha|\#913);/A/g;
                   1033:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1034:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1035:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1036:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1037:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1038:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1039:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1040:     $result =~ s/&(Iota|\#921);/I/g;
                   1041:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1042:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Mu|\#924);/M/g;
                   1044:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1045:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1046:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1047:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1048:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1049:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1051:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1052:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1054:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1055:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1056: #Arrows (extended HTML 4.01)
1.281     sakharuk 1057:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1058:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1059:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1060:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1061:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1062:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1063:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1064:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1065:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1066:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1067: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1068:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1069:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1070:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1071:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1072:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1073:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1074:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1075:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1076:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1077:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1078:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1079:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1080:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1081:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1082:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1083:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1084:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1085:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1086:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1087:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1088:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1089:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1090:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1091:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1092:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1093:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1094:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1095:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1096:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1097:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1098:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1099:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1100:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1101:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1102:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1103:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1104:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1105:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1106: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1107:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1108: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1109:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1110:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1111:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1112:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1113: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1114: 
1.495     foxr     1115:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1116:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1117:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1118:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1119:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1120:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1121:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1122:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1123:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1124:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1125:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1126:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1127:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1128: 
                   1129:     # Left/right quotations:
                   1130: 
                   1131:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1132:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1133: 
                   1134: 
1.559     foxr     1135: 
1.37      sakharuk 1136:     return $result;
                   1137: }
1.41      sakharuk 1138: 
                   1139: 
1.327     albertel 1140:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1141: my %page_formats=
                   1142:     ('letter' => {
                   1143: 	 'book' => {
1.493     foxr     1144: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1145: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1146: 	 },
                   1147: 	 'album' => {
1.496     foxr     1148: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1149: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1150: 	 },
                   1151:      },
                   1152:      'legal' => {
                   1153: 	 'book' => {
                   1154: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1155: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1156: 	 },
                   1157: 	 'album' => {
1.376     albertel 1158: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1159:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1160:           },
                   1161:      },
                   1162:      'tabloid' => {
                   1163: 	 'book' => {
                   1164: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1165: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1166: 	 },
                   1167: 	 'album' => {
1.376     albertel 1168: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1169: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1170:           },
                   1171:      },
                   1172:      'executive' => {
                   1173: 	 'book' => {
                   1174: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1175: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1176: 	 },
                   1177: 	 'album' => {
                   1178: 	     '1' => [],
                   1179: 	     '2' => []
                   1180:           },
                   1181:      },
                   1182:      'a2' => {
                   1183: 	 'book' => {
                   1184: 	     '1' => [],
                   1185: 	     '2' => []
                   1186: 	 },
                   1187: 	 'album' => {
                   1188: 	     '1' => [],
                   1189: 	     '2' => []
                   1190:           },
                   1191:      },
                   1192:      'a3' => {
                   1193: 	 'book' => {
                   1194: 	     '1' => [],
                   1195: 	     '2' => []
                   1196: 	 },
                   1197: 	 'album' => {
                   1198: 	     '1' => [],
                   1199: 	     '2' => []
                   1200:           },
                   1201:      },
                   1202:      'a4' => {
                   1203: 	 'book' => {
1.493     foxr     1204: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1205: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1206: 	 },
                   1207: 	 'album' => {
1.496     foxr     1208: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1209: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1210: 	 },
                   1211:      },
                   1212:      'a5' => {
                   1213: 	 'book' => {
                   1214: 	     '1' => [],
                   1215: 	     '2' => []
                   1216: 	 },
                   1217: 	 'album' => {
                   1218: 	     '1' => [],
                   1219: 	     '2' => []
                   1220:           },
                   1221:      },
                   1222:      'a6' => {
                   1223: 	 'book' => {
                   1224: 	     '1' => [],
                   1225: 	     '2' => []
                   1226: 	 },
                   1227: 	 'album' => {
                   1228: 	     '1' => [],
                   1229: 	     '2' => []
                   1230:           },
                   1231:      },
                   1232:      );
                   1233: 
1.177     sakharuk 1234: sub page_format {
1.140     sakharuk 1235: #
1.326     sakharuk 1236: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1237: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1238: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1239: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1240: #                        "A6 [105x148 mm]"
1.140     sakharuk 1241: # 
                   1242:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1243:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1244: }
1.76      sakharuk 1245: 
                   1246: 
1.126     albertel 1247: sub get_name {
                   1248:     my ($uname,$udom)=@_;
1.373     albertel 1249:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1250:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1251:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1252:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1253:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1254:     return $plainname;
1.126     albertel 1255: }
                   1256: 
1.213     albertel 1257: sub get_course {
                   1258:     my $courseidinfo;
1.373     albertel 1259:     if (defined($env{'request.course.id'})) {
1.439     www      1260: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel 1261:     }
                   1262:     return $courseidinfo;
                   1263: }
1.177     sakharuk 1264: 
1.76      sakharuk 1265: sub page_format_transformation {
1.312     sakharuk 1266:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1267:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1268: 
1.312     sakharuk 1269:     if ($selectionmade eq '4') {
1.502     foxr     1270: 	if ($choice eq 'all_problems') {
1.561     bisitz   1271:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1272: 	} else {
1.561     bisitz   1273:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1274: 	}
1.312     sakharuk 1275:     } else {
                   1276: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1277:     }
1.261     sakharuk 1278:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1279: 
                   1280: 
1.126     albertel 1281:     my $name = &get_name();
1.213     albertel 1282:     my $courseidinfo = &get_course();
1.583.2.1! raeburn  1283:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel 1284:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1285:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1286: 					   $courseidinfo, $name);
1.319     sakharuk 1287:     my $topmargintoinsert = '';
                   1288:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1289:     my $fancypagestatement='';
                   1290:     if ($numberofcolumns eq '2') {
1.455     albertel 1291: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1292:     } else {
1.455     albertel 1293: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1294:     }
1.140     sakharuk 1295:     if ($layout eq 'album') {
1.550     foxr     1296: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1297:     } elsif ($layout eq 'book') {
                   1298: 	if ($choice ne 'All class print') { 
1.550     foxr     1299: 	    $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 1300: 	} else {
1.550     foxr     1301: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1302: 	}
1.326     sakharuk 1303: 	if ($papersize eq 'a4') {
1.575     foxr     1304: 	    my $papersize_text;
                   1305: 	    if ($perm{'pav'}) {
                   1306: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1307: 	    } else {
                   1308: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1309: 	    }
                   1310: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1311: 	}
                   1312:     }
1.214     sakharuk 1313:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1314:     if ($indexlist eq 'yes') {
                   1315: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1316: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1317:     }
1.140     sakharuk 1318:     return $text;
                   1319: }
                   1320: 
                   1321: 
1.33      sakharuk 1322: sub page_cleanup {
                   1323:     my $result = shift;	
1.65      sakharuk 1324:  
                   1325:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1326:     my $number_of_columns = $1;
1.33      sakharuk 1327:     my $insert = '{';
1.34      sakharuk 1328:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1329:     $insert .= '}';
1.65      sakharuk 1330:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1331:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1332:     return $result,$number_of_columns;
1.7       sakharuk 1333: }
1.5       sakharuk 1334: 
1.3       sakharuk 1335: 
1.60      sakharuk 1336: sub details_for_menu {
1.335     albertel 1337:     my ($helper)=@_;
1.373     albertel 1338:     my $postdata=$env{'form.postdata'};
1.335     albertel 1339:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1340:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1341:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1342:     return if ( $symbolic eq '');
                   1343: 
1.233     www      1344:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1345:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1346:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1347:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1348: 	$map =~ m|([^/]+)$|;
                   1349: 	$name_of_sequence = $1;
1.63      albertel 1350:     }
1.373     albertel 1351:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1352:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1353: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1354: 	$name_of_map = $1;
                   1355:     }
1.335     albertel 1356:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1357: }
                   1358: 
1.476     albertel 1359: sub copyright_line {
                   1360:     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 } ';
                   1361: }
                   1362: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1363: 
                   1364: sub latex_corrections {
1.408     albertel 1365:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1366: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1367:     my $copyright = &copyright_line();
1.408     albertel 1368:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1369: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1370:     } else {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1372:     }
1.476     albertel 1373:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1374:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1375:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1376: #-- LaTeX corrections     
                   1377:     my $first_comment = index($result,'<!--',0);
                   1378:     while ($first_comment != -1) {
                   1379: 	my $end_comment = index($result,'-->',$first_comment);
                   1380: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1381: 	$first_comment = index($result,'<!--',$first_comment);
                   1382:     }
                   1383:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1384:     #removes more than one empty space
                   1385:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1386:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1387:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1388:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1389:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1390:     #conversion of html characters to LaTeX equivalents
                   1391:     if ($result =~ m/&(\w+|#\d+);/) {
                   1392: 	$result = &character_chart($result);
                   1393:     }
                   1394:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1395:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1396:     return $result;
1.60      sakharuk 1397: }
                   1398: 
1.3       sakharuk 1399: 
1.214     sakharuk 1400: sub index_table {
                   1401:     my $currentURL = shift;
                   1402:     my $insex_string='';
                   1403:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1404:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1405:     return $insex_string;
                   1406: }
                   1407: 
                   1408: 
1.215     sakharuk 1409: sub IndexCreation {
                   1410:     my ($texversion,$currentURL)=@_;
                   1411:     my @key_words=split(/,/,&index_table($currentURL));
                   1412:     my $chunk='';
                   1413:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1414:     if ($st>0) {
                   1415: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1416: 	$chunk=substr($texversion,0,$st+1);
                   1417: 	substr($texversion,0,$st+1)=' ';
                   1418:     }
                   1419:     foreach my $key_word (@key_words) {
                   1420: 	if ($key_word=~/\S+/) {
                   1421: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1422: 	}
                   1423:     }			
                   1424:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1425:     return $texversion;
                   1426: }
                   1427: 
1.242     sakharuk 1428: sub print_latex_header {
                   1429:     my $mode=shift;
1.550     foxr     1430: 
                   1431:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1432: }
                   1433: 
                   1434: sub path_to_problem {
1.328     albertel 1435:     my ($urlp,$colwidth)=@_;
1.404     albertel 1436:     $urlp=&Apache::lonnet::clutter($urlp);
                   1437: 
1.242     sakharuk 1438:     my $newurlp = '';
1.328     albertel 1439:     $colwidth=~s/\s*mm\s*$//;
                   1440: #characters average about 2 mm in width
1.360     albertel 1441:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1442: 	my @elements = split('/',$urlp);
1.328     albertel 1443: 	my $curlength=0;
                   1444: 	foreach my $element (@elements) {
1.404     albertel 1445: 	    if ($element eq '') { next; }
1.328     albertel 1446: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1447: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1448: 		$curlength=length($element)*2;
1.328     albertel 1449: 	    } else {
                   1450: 		$curlength+=length($element)*2;
1.242     sakharuk 1451: 	    }
1.328     albertel 1452: 	    $newurlp.='/'.$element;
1.242     sakharuk 1453: 	}
1.253     sakharuk 1454:     } else {
                   1455: 	$newurlp=$urlp;
1.242     sakharuk 1456:     }
                   1457:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1458: }
1.215     sakharuk 1459: 
1.275     sakharuk 1460: sub recalcto_mm {
                   1461:     my $textwidth=shift;
                   1462:     my $LaTeXwidth;
1.339     albertel 1463:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1464: 	$LaTeXwidth = $1*10;
1.339     albertel 1465:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1*25.4;
                   1469:     }
                   1470:     $LaTeXwidth.=' mm';
                   1471:     return $LaTeXwidth;
                   1472: }
                   1473: 
1.285     albertel 1474: sub get_textwidth {
                   1475:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1476:     my $textwidth=$LaTeXwidth;
1.285     albertel 1477:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1478: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1479: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1480: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1481:     }
1.286     albertel 1482:     return $textwidth;
1.285     albertel 1483: }
                   1484: 
1.296     sakharuk 1485: 
                   1486: sub unsupported {
1.414     albertel 1487:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1488:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1489:     my $result.= &print_latex_header($mode);
1.414     albertel 1490:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1491: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1492: 	my $title=&Apache::lonnet::gettitle($symb);
                   1493: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1494: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1495:     } else {
                   1496: 	$result.=$currentURL;
                   1497:     }
1.419     albertel 1498:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1499:     return $result;
                   1500: }
                   1501: 
1.559     foxr     1502: #
                   1503: #  Map from helper layout style to the book/album:
                   1504: #
                   1505: sub map_laystyle {
                   1506:     my ($laystyle) = @_;
                   1507:     if ($laystyle eq 'L') {
                   1508: 	$laystyle='album';
                   1509:     } else {
                   1510: 	$laystyle='book';
                   1511:     }
                   1512:     return $laystyle;
                   1513: }
                   1514: 
                   1515: sub print_page_in_course {
                   1516:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1517:     my %parmhash       = %$rparmhash;
                   1518:     my @page_resources = @$resources;
                   1519:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1520:     my $symb = $helper->{'VARS'}->{'symb'};
                   1521: 
                   1522: 
                   1523:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1524: 
                   1525: 
                   1526:     my @temporary_array=split /\|/,$format_from_helper;
                   1527:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1528:     $laystyle = &map_laystyle($laystyle);
                   1529:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1530: 								      $numberofcolumns);
                   1531:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1532: 
                   1533: 
                   1534:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1535:     my $result   =    &print_latex_header($mode);
1.559     foxr     1536:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1537: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1538: 	my $title=&Apache::lonnet::gettitle($symb);
                   1539: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1540:     } else {
1.582     raeburn  1541:         my $esc_currentURL= $currentURL;
                   1542:         $esc_currentURL =~ s/_/\\_/g;
                   1543: 	$result.=$esc_currentURL;
1.559     foxr     1544:     }
                   1545:     $result .= '\\\\';
                   1546: 
                   1547:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1548: 	&Apache::lonnet::appenv({'construct.style' =>
                   1549: 				$helper->{'VARS'}->{'style_file'}});
                   1550:     } elsif ($env{'construct.style'}) {
                   1551: 	&Apache::lonnet::delenv('construct.style');
                   1552:     }
                   1553: 
                   1554:     # First is the overall page description.  This is then followed by the 
                   1555:     # components of the page. Each of which must be printed independently.
1.564     foxr     1556:     my $the_page = shift(@page_resources); 
1.559     foxr     1557: 
                   1558: 
                   1559:     foreach my $resource (@page_resources) {
                   1560: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1561: 	$result           .= $resource->title() . '\\\\';
                   1562: 
                   1563: 	# Recurse if a .page:
                   1564: 
                   1565: 	if ($resource_src =~ /.page$/i) {
                   1566: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1567: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1568: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1569: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
1.582     raeburn  1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {		
1.559     foxr     1574: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1575: 	    my %form;
                   1576: 	    my %moreenv;
                   1577: 
                   1578: 	    &Apache::lonxml::remember_problem_counter();
                   1579: 	    $moreenv{'request.filename'}=$urlp;
                   1580: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1581: 
                   1582: 	    $form{'grade_target'}  = 'tex';
                   1583: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  1584: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
                   1688:     my $r=shift;
                   1689:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
                   1722:         $r->print('<hr />');
                   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.544     bisitz   1725: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
                   1733:                   .&Apache::loncommon::end_data_table()
                   1734:         );
1.400     albertel 1735:     }
                   1736:     if ($pdf_result) {
1.544     bisitz   1737: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1738:                   .&Apache::loncommon::start_data_table()
                   1739:                   .&Apache::loncommon::start_data_table_header_row()
                   1740:                   .'<th>'.&mt('Download').'</th>'
                   1741:                   .'<th>'.&mt('Creation Date').'</th>'
                   1742:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1743:                   .&Apache::loncommon::end_data_table_header_row()
                   1744:                   .$pdf_result
                   1745:                   .&Apache::loncommon::end_data_table()
                   1746:         );
1.396     albertel 1747:     }
1.395     www      1748: }
                   1749: 
                   1750: #
1.363     foxr     1751: #   Retrieve the hash of page breaks.
                   1752: #
                   1753: #  Inputs:
                   1754: #    helper   - reference to helper object.
                   1755: #  Outputs
                   1756: #    A reference to a page break hash.
                   1757: #
                   1758: #
1.562     foxr     1759: # use Data::Dumper;
1.569     foxr     1760: # sub dump_helper_vars {
1.418     foxr     1761: #    my ($helper) = @_;
                   1762: #    my $helpervars = Dumper($helper->{'VARS'});
                   1763: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1764: #}
1.363     foxr     1765: 
1.481     albertel 1766: sub get_page_breaks  {
                   1767:     my ($helper) = @_;
                   1768:     my %page_breaks;
                   1769: 
                   1770:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1771: 	$page_breaks{$break} = 1;
                   1772:     }
                   1773:     return %page_breaks;
                   1774: }
1.569     foxr     1775: # 
                   1776: #   Returns text to insert for any extra vskip prior to the resource.
                   1777: #   Parameters:
                   1778: #     helper   - Reference to the helper object driving the printout.
                   1779: #     resource - Identifies the resource about to be printed.
                   1780: #
                   1781: #   This is done as follows:
                   1782: #    POSSIBLE_RESOURCES has the list of possible resources.
                   1783: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     1784: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   1785: #                       mm. All others are 'in'.
1.569     foxr     1786: #    
                   1787: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   1788: #    of the EXTRASPACE value.
                   1789: #
                   1790: #   In order to speed this up for lengthy printouts, the first time,
                   1791: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   1792: #   EXTRASPACE is turned into an array.
                   1793: #
                   1794: 
                   1795: 
                   1796: my %possible_resources;
1.570     foxr     1797: my %extraspace_mm;
1.569     foxr     1798: my @extraspace;
                   1799: my $skips_loaded       = 0;
                   1800: 
                   1801: #  Function to load the skips hash and array
                   1802: 
                   1803: sub load_skips {
                   1804: 
                   1805:     my ($helper)  = @_;
                   1806: 
                   1807:     #  If this is the first time, unrap the resources and extra spaces:
                   1808: 
                   1809:     if (!$skips_loaded) {
                   1810: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   1811: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   1812: 	my $i = 0;
                   1813: 	foreach my $resource (@resource_list) {
                   1814: 	    $possible_resources{$resource} = $i;
                   1815: 	    $i++;
                   1816: 	}
1.570     foxr     1817: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   1818: 	    $extraspace_mm{$mm_resource} = 1;
                   1819: 	}
1.569     foxr     1820: 	$skips_loaded = 1;
                   1821:     }
                   1822: }
                   1823: 
                   1824: sub get_extra_vspaces {
                   1825:     my ($helper, $resource) = @_;
                   1826: 
                   1827:     &load_skips($helper);
                   1828: 
                   1829:     #  Lookup the resource in the possible resources hash.. that is the index
                   1830:     # into the extraspace array that gives us either an empty string or
                   1831:     # the number of mm to skip:
                   1832: 
                   1833:     my $index = $possible_resources{$resource};
                   1834:     my $skip  = $extraspace[$index];
                   1835: 
                   1836:     my $result = '';
                   1837:     if ($skip ne '') {
1.570     foxr     1838: 	my $units = 'in';
                   1839: 	if (defined($extraspace_mm{$resource})) {
                   1840: 	    $units = 'mm';
                   1841: 	}
                   1842: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     1843:     }
1.570     foxr     1844: 
                   1845: 	
1.569     foxr     1846:     return $result;
                   1847: 
                   1848: 
                   1849: }
                   1850: 
                   1851: #
                   1852: #  The resource chooser part of the helper needs more than just
                   1853: #  the value of the extraspaces var to recover the value into a text
                   1854: #  field option.  This sub produces the required format for the saved var:
                   1855: #  specifically 
                   1856: #    ||| separated fields of the form resourcename=value
                   1857: #
                   1858: #  Parameters:
                   1859: #    $helper     - Refers to the helper we are configuring
                   1860: #  Implicit input:
                   1861: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   1862: #                                          value.
1.570     foxr     1863: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     1864: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   1865: #                                          separated of course.
                   1866: #  Implicit outputs:
1.570     foxr     1867: #     $env{'form.extraspace'}
                   1868: #     $env{'form.extraspace_units'}
1.569     foxr     1869: #
                   1870: sub set_form_extraspace {
                   1871:     my ($helper) = @_;
                   1872: 
                   1873:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   1874:     # may not be the fastest, but this is once per print request so it's not so
                   1875:     # speed critical:
                   1876: 
                   1877:     &load_skips($helper);
                   1878: 
                   1879:     my $result = '';
                   1880: 
                   1881:     foreach my $resource (keys(%possible_resources)) {
                   1882: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   1883: 	$result  .= $resource .'=' . $vskip . '|||';
                   1884:     }
                   1885: 
                   1886:     $env{'form.extraspace'}  = $result;
1.570     foxr     1887:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     1888:     return $result;
                   1889:     
                   1890: }
1.363     foxr     1891: 
1.459     foxr     1892: #  Output a sequence (recursively if neeed)
                   1893: #  from construction space.
                   1894: # Parameters:
                   1895: #    url     = URL of the sequence to print.
                   1896: #    helper  - Reference to the helper hash.
                   1897: #    form    - Copy of the format hash.
                   1898: #    LaTeXWidth
                   1899: # Returns:
                   1900: #   Text to add to the printout.
                   1901: #   NOTE if the first element of the outermost sequence
                   1902: #   is itself a sequence, the outermost caller may need to
                   1903: #   prefix the latex with the page headers stuff.
                   1904: #
                   1905: sub print_construction_sequence {
                   1906:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1907:     my $result;
                   1908:     my $rndseed=time;
                   1909:     if ($helper->{'VARS'}->{'curseed'}) {
                   1910: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1911:     }
1.491     albertel 1912:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1913:     # 
                   1914:     #  These make this all support recursing for subsequences.
                   1915:     #
1.491     albertel 1916:     my @order    = @LONCAPA::map::order;
                   1917:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1918:     for (my $member=0;$member<=$#order;$member++) {
                   1919: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1920: 	my $urlp=$2;
                   1921: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1922: 	    my $texversion='';
                   1923: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1924: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1925: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1926: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1927: 		$form{'rndseed'}=$rndseed;
                   1928: 		$resources_printed .=$urlp.':';
1.515     foxr     1929: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1930: 	    }
                   1931: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1932: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1933: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1934: 		#  Don't permanently modify %$form...
                   1935: 		my %answerform = %form;
                   1936: 		$answerform{'grade_target'}='answer';
                   1937: 		$answerform{'answer_output_mode'}='tex';
                   1938: 		$answerform{'rndseed'}=$rndseed;
                   1939: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1940: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1941: 		$resources_printed .= $urlp.':';
1.515     foxr     1942: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1943: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1944: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1945: 		} else {
                   1946: 		    # If necessary, encapsulate answer in minipage:
                   1947: 		    
                   1948: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1949: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1950: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1951: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1952: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1953: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1954: 		    $body = &encapsulate_minipage($body);
                   1955: 		    $texversion.=$body;
                   1956: 		}
                   1957: 	    }
                   1958: 	    $texversion = &latex_header_footer_remove($texversion);
                   1959: 
                   1960: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1961: 		$texversion=&IndexCreation($texversion,$urlp);
                   1962: 	    }
                   1963: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1964: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1965: 	    }
                   1966: 	    $result.=$texversion;
                   1967: 
                   1968: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1969:  
1.459     foxr     1970: 	    # header:
                   1971: 
                   1972: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1973: 
                   1974: 	    # IF sequence, recurse:
                   1975: 	    
                   1976: 	    if ($urlp =~ /\.sequence$/) {
                   1977: 		my $sequence_url = $urlp;
                   1978: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1979: 		my $user         = $env{'user.name'};
                   1980: 
                   1981: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1982: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1983: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1984: 		$result .= &print_construction_sequence($sequence_url, 
                   1985: 							$helper, %form, 
                   1986: 							$LaTeXwidth);
                   1987: 	    }
1.550     foxr     1988: 	}
                   1989: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1990: 	    my $texversion;
                   1991: 	    if ($member != 0) {
                   1992: 		$texversion .= '\cleardoublepage';
                   1993: 	    }
                   1994: 
                   1995: 	    $texversion .= &include_pdf($urlp);
                   1996: 	    $texversion = &latex_header_footer_remove($texversion);
                   1997: 	    if ($member != $#order) {
                   1998: 		$texversion .= '\\ \cleardoublepage';
                   1999: 	    }
1.551     foxr     2000: 	    
                   2001: 	    $result .= $texversion;
1.550     foxr     2002: 	}
1.459     foxr     2003:     }
                   2004:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2005:     return $result;
                   2006: }
                   2007: 
1.177     sakharuk 2008: sub output_data {
1.184     sakharuk 2009:     my ($r,$helper,$rparmhash) = @_;
                   2010:     my %parmhash = %$rparmhash;
1.515     foxr     2011:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2012:     $resources_printed = '';
1.556     foxr     2013:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     2014:     my $do_postprocessing = 1;
1.433     albertel 2015:     my $js = <<ENDPART;
                   2016: <script type="text/javascript">
1.264     sakharuk 2017:     var editbrowser;
                   2018:     function openbrowser(formname,elementname,only,omit) {
                   2019:         var url = '/res/?';
                   2020:         if (editbrowser == null) {
                   2021:             url += 'launch=1&';
                   2022:         }
                   2023:         url += 'catalogmode=interactive&';
                   2024:         url += 'mode=parmset&';
                   2025:         url += 'form=' + formname + '&';
                   2026:         if (only != null) {
                   2027:             url += 'only=' + only + '&';
                   2028:         } 
                   2029:         if (omit != null) {
                   2030:             url += 'omit=' + omit + '&';
                   2031:         }
                   2032:         url += 'element=' + elementname + '';
                   2033:         var title = 'Browser';
                   2034:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2035:         options += ',width=700,height=600';
                   2036:         editbrowser = open(url,title,options,'1');
                   2037:         editbrowser.focus();
                   2038:     }
                   2039: </script>
1.140     sakharuk 2040: ENDPART
                   2041: 
1.512     foxr     2042: 
1.558     bisitz   2043:     # Breadcrumbs
                   2044:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2045:     my $brcrum = [{'href' => '',
                   2046:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2047:                   {'href' => '',
                   2048:                    'text' => 'Preparing Printout'}];
                   2049: 
                   2050:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2051:                                                      $js,
                   2052:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2053:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2054: 
1.433     albertel 2055:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2056: 
1.363     foxr     2057:     # fetch the pagebreaks and store them in the course environment
                   2058:     # The page breaks will be pulled into the hash %page_breaks which is
                   2059:     # indexed by symb and contains 1's for each break.
                   2060: 
1.373     albertel 2061:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2062:     &set_form_extraspace($helper);
1.373     albertel 2063:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     2064:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2065: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2066: 					       'extraspace'    => 'scalar',
1.570     foxr     2067: 					       'extraspace_units' => 'scalar',
1.366     foxr     2068: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2069:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2070: 
1.140     sakharuk 2071:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2072:     my ($result,$selectionmade) = ('','');
                   2073:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2074:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2075:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2076: 
                   2077:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2078:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2079:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2080:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2081:     my @print_array=();
1.274     sakharuk 2082:     my @student_names=();
1.360     albertel 2083: 
1.512     foxr     2084:      
1.360     albertel 2085:     #  Common settings for the %form has:
                   2086:     # In some cases these settings get overriddent by specific cases, but the
                   2087:     # settings are common enough to make it worthwhile factoring them out
                   2088:     # here.
                   2089:     #
                   2090:     my %form;
                   2091:     $form{'grade_target'} = 'tex';
                   2092:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2093:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2094: 
                   2095:     # If form.showallfoils is set, then request all foils be shown:
                   2096:     # privilege will be enforced both by not allowing the 
                   2097:     # check box selecting this option to be presnt unless it's ok,
                   2098:     # and by lonresponse's priv. check.
                   2099:     # The if is here because lonresponse.pm only cares that
                   2100:     # showallfoils is defined, not what the value is.
                   2101: 
                   2102:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2103: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2104:     }
1.504     albertel 2105:     
                   2106:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2107: 	&Apache::lonnet::appenv({'construct.style' =>
                   2108: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2109:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2110: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2111:     }
                   2112: 
1.140     sakharuk 2113:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2114:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2115: 	my ($currentURL,$cleanURL);
1.375     foxr     2116: 
1.162     sakharuk 2117: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2118:             #prints published resource
1.153     sakharuk 2119: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2120: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2121: 	} else {
1.512     foxr     2122: 
1.185     sakharuk 2123:             #prints resource from the construction space
1.240     albertel 2124: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2125: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2126: 	    $cleanURL=$currentURL;
1.143     sakharuk 2127: 	}
1.140     sakharuk 2128: 	$selectionmade = 1;
1.413     albertel 2129: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2130: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2131: 	    my $rndseed=time;
1.242     sakharuk 2132: 	    my $texversion='';
                   2133: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2134: 		my %moreenv;
1.343     albertel 2135: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2136:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2137: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2138: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2139: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2140: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2141: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2142: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2143: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2144: 		    $form{'problem_split'}='yes';
                   2145: 		}
1.242     sakharuk 2146: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2147: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2148: 		}
                   2149: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2150: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2151: 
                   2152: 		&Apache::lonxml::clear_problem_counter();
                   2153: 
1.375     foxr     2154: 		$resources_printed .= $currentURL.':';
1.515     foxr     2155: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2156: 
1.511     foxr     2157: 		#  Add annotations if required:
                   2158: 	    
1.428     albertel 2159: 		&Apache::lonxml::clear_problem_counter();
                   2160: 
1.242     sakharuk 2161: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2162: 	    }
1.423     foxr     2163: 	    # current document with answers.. no need to encap in minipage
                   2164: 	    #  since there's only one answer.
                   2165: 
1.242     sakharuk 2166: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2167: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2168: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2169: 		$form{'grade_target'}='answer';
1.167     albertel 2170: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2171: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2172:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2173: 		    $form{'problemtype'}='exam';
                   2174: 		}
1.375     foxr     2175: 		$resources_printed .= $currentURL.':';
1.515     foxr     2176: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2177: 		
                   2178: 
1.242     sakharuk 2179: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2180: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2181: 		} else {
                   2182: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2183: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2184: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2185: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2186: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2187: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2188: 		    } else {
                   2189: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2190: 			my $URLpath=$cleanURL;
1.245     sakharuk 2191: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2192: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2193: 		    }
1.242     sakharuk 2194: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2195: 		}
1.511     foxr     2196: 
                   2197: 
                   2198: 		
                   2199: 
1.550     foxr     2200: 	    
1.511     foxr     2201: 	    }
                   2202: 	    # Print annotations.
                   2203: 
                   2204: 
                   2205: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2206: 		my $annotation .= &annotate($currentURL);
                   2207: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2208: 	    }
1.511     foxr     2209: 
                   2210: 
1.214     sakharuk 2211: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2212: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2213: 	    }
1.219     sakharuk 2214: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2215: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2216: 
                   2217: 	    }
1.162     sakharuk 2218: 	    $result .= $texversion;
                   2219: 	    if ($currentURL=~m/\.page\s*$/) {
                   2220: 		($result,$number_of_columns) = &page_cleanup($result);
                   2221: 	    }
1.413     albertel 2222:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2223: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2224:             #printing content of sequence from the construction space	
1.559     foxr     2225: 
                   2226: 
1.227     sakharuk 2227: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2228: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2229: 						    $LaTeXwidth);
                   2230: 	    $result .= '\end{document}';  
                   2231: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2232: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2233: 	    }
1.459     foxr     2234: 	    # End construction space sequence.
1.456     raeburn  2235: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2236: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2237: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2238: 		$resources_printed .= $currentURL.':';
1.567     foxr     2239: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2240: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2241: 		    my $annotation = &annotate($currentURL);
                   2242: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2243: 		}
1.258     sakharuk 2244: 		$result .= $texversion;
1.550     foxr     2245: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2246: 	    # For this sort of print of a single LaTeX file,
                   2247: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2248: 	    #
                   2249: 
                   2250: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2251: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2252: 		my $annotation = &annotate($currentURL);
                   2253: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2254: 	    }
                   2255: 
1.499     foxr     2256: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2257: 
1.550     foxr     2258: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2259: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2260: 	    $result .= '\end{document}';
1.559     foxr     2261: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2262: 
                   2263: 	    # Determine the set of resources in the map of the page:
                   2264: 
                   2265: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2266: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2267: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2268: 							$cleanURL, \@page_resources);
                   2269: 
                   2270:        
1.162     sakharuk 2271: 	} else {
1.414     albertel 2272: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2273: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2274: 	}
1.354     foxr     2275:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2276: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2277: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2278:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2279:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2280: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2281: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
1.582     raeburn  2282: 	     ) {
1.511     foxr     2283: 
1.582     raeburn  2284:  
1.141     sakharuk 2285:         #-- produce an output string
1.562     foxr     2286: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2287: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2288: 	    $selectionmade = 2;
1.562     foxr     2289: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2290: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2291: 	{
1.296     sakharuk 2292: 	    $selectionmade = 3;
1.536     foxr     2293: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2294: 		 ) {
1.296     sakharuk 2295: 	    $selectionmade = 4;
1.354     foxr     2296: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2297: 	    $selectionmade = 4;
1.296     sakharuk 2298: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2299: 	    $selectionmade = 7;
                   2300: 	}
1.193     sakharuk 2301: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2302: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2303: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2304: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2305: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2306: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2307: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2308: 	    $form{'problem_split'}='yes';
                   2309: 	}
1.141     sakharuk 2310: 	my $flag_latex_header_remove = 'NO';
                   2311: 	my $flag_page_in_sequence = 'NO';
                   2312: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2313: 	my $prevassignment='';
1.428     albertel 2314: 
                   2315: 	&Apache::lonxml::clear_problem_counter();
                   2316: 
1.416     foxr     2317: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2318: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2319: 
1.521     foxr     2320: 	    &Apache::lonenc::reset_enc();
                   2321: 
                   2322: 
1.350     foxr     2323: 	    # Note due to document structure, not allowed to put \newpage
                   2324: 	    # prior to the first resource
                   2325: 
1.351     foxr     2326: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2327: 		if($i != 0) {
                   2328: 		    $result.="\\newpage\n";
                   2329: 		}
                   2330: 	    }
1.569     foxr     2331: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2332: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2333: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2334: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2335: 
                   2336: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2337: 
1.267     sakharuk 2338: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2339: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2340: 	    my $texversion='';
1.413     albertel 2341: 	    if ($urlp!~m|^/adm/|
                   2342: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2343: 		$resources_printed .= $urlp.':';
1.428     albertel 2344: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2345: 		if ($flag_latex_header_remove eq 'NO') {
                   2346: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2347:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2348:                             (($i==0) &&
                   2349:                              (($urlp=~/\.page$/) ||
                   2350:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ||
                   2351:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page')))) {
                   2352:                         $flag_latex_header_remove = 'YES';
                   2353:                     }
1.566     foxr     2354: 		}
1.515     foxr     2355: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2356: 		if ($urlp=~/\.page$/) {
                   2357: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2358: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2359: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2360: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2361: 		}
1.428     albertel 2362: 
1.296     sakharuk 2363: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2364: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2365: 		    #  Don't permanently pervert the %form hash
                   2366: 		    my %answerform = %form;
                   2367: 		    $answerform{'grade_target'}='answer';
                   2368: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2369: 		    $resources_printed .= $urlp.':';
1.428     albertel 2370: 
                   2371: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2372: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2373:                     if ($urlp =~ /\.page$/) {
                   2374:                         $answer =~ s/\\end{document}(\d*)$//;
                   2375:                     }
1.296     sakharuk 2376: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2377:                         if ($urlp =~ /\.page$/) {
                   2378:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2379:                             my $lastprob = pop(@probs);
                   2380:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2381:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2382:                         } else {
                   2383:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2384:                         }
1.249     sakharuk 2385: 		    } else {
1.582     raeburn  2386: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/) {
1.296     sakharuk 2387: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2388: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2389: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2390: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2391: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2392: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2393: 			    $body   .='\vskip 1 mm '.$answer;
                   2394: 			    $body    = &encapsulate_minipage($body);
                   2395: 			    $texversion .= $body;
1.296     sakharuk 2396: 			} else {
                   2397: 			    $texversion='';
                   2398: 			}
1.249     sakharuk 2399: 		    }
1.511     foxr     2400: 
1.246     sakharuk 2401: 		}
1.511     foxr     2402: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2403: 		    my $annotation .= &annotate($urlp);
                   2404: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2405: 		}
                   2406: 
1.296     sakharuk 2407: 		if ($flag_latex_header_remove ne 'NO') {
                   2408: 		    $texversion = &latex_header_footer_remove($texversion);
                   2409: 		} else {
                   2410: 		    $texversion =~ s/\\end{document}//;
                   2411: 		}
                   2412: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2413: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2414: 		}
                   2415: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2416: 		    my $name = &get_name();
                   2417: 		    my $courseidinfo = &get_course();
1.583.2.1! raeburn  2418:                     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.296     sakharuk 2419: 		    $prevassignment=$assignment;
1.455     albertel 2420: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2421: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2422: 							  $assignment, 
                   2423: 							  $courseidinfo, 
                   2424: 							  $name);
1.552     foxr     2425: 
1.417     foxr     2426: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2427: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2428: 		    } else {
1.455     albertel 2429: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2430: 		    }			
1.296     sakharuk 2431: 		}
                   2432: 		$result .= $texversion;
                   2433: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2434: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2435: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2436: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2437: 		$resources_printed .= $urlp.':';
1.567     foxr     2438: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2439: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2440: 		    my $annotation = &annotate($urlp);
                   2441: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2442: 		}
                   2443: 
1.301     sakharuk 2444: 		if ($flag_latex_header_remove ne 'NO') {
                   2445: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2446: 		} else {	
1.301     sakharuk 2447: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2448: 		}
                   2449: 		$result .= $texversion;
                   2450: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2451: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2452: 		if ($i > 0) {
                   2453: 		    $result .= '\cleardoublepage';
                   2454: 		}
1.580     raeburn  2455:                 my $texfrompdf = &include_pdf($urlp);
                   2456:                 if ($flag_latex_header_remove ne 'NO') {
                   2457:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   2458:                 }
                   2459:                 $result .= $texfrompdf;
1.550     foxr     2460: 		if ($i != $#master_seq) {
                   2461: 		    if ($numberofcolumns eq '1') {
                   2462: 			$result .= '\newpage';
                   2463: 		    } else {
                   2464: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2465: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2466: 			#
                   2467: 			$result .= '\\ \cleardoublepage';
                   2468: 		    }
                   2469: 		}
                   2470: 		$flag_latex_header_remove = 'YES';
                   2471: 
1.141     sakharuk 2472: 	    } else {
1.414     albertel 2473: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2474: 					 $master_seq[$i]);
1.297     sakharuk 2475: 		if ($flag_latex_header_remove ne 'NO') {
                   2476: 		    $texversion = &latex_header_footer_remove($texversion);
                   2477: 		} else {
                   2478: 		    $texversion =~ s/\\end{document}//;
                   2479: 		}
                   2480: 		$result .= $texversion;
                   2481: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  2482: 	    }
1.550     foxr     2483: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2484: 		last; 
                   2485: 	    }
1.141     sakharuk 2486: 	}
1.428     albertel 2487: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2488: 	if ($flag_page_in_sequence eq 'YES') {
                   2489: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2490: 	}	
1.141     sakharuk 2491: 	$result .= '\end{document}';
1.284     albertel 2492:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2493: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2494: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2495: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2496: 
                   2497: 
1.150     sakharuk 2498:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2499: 	 my $type;
1.536     foxr     2500: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2501: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2502: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2503: 	     $selectionmade=5;
1.284     albertel 2504: 	     $type='problems';
1.254     sakharuk 2505: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2506: 	     $selectionmade=8;
1.284     albertel 2507: 	     $type='resources';
1.254     sakharuk 2508: 	 }
1.150     sakharuk 2509: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2510: 	 #   The normal sort order is by section then by students within the
                   2511: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2512: 	 #   to override this and output the students by name.
                   2513: 	 #    Each element of the students array is of the form:
                   2514: 	 #       username:domain:section:last, first:status
                   2515: 	 #    
1.429     foxr     2516: 	 #  Note that student sort is not compatible with printing 
                   2517: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2518: 	 #   
1.429     foxr     2519: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2520: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2521: 	     @students = sort compare_names  @students;
                   2522: 	 }
1.429     foxr     2523: 	 &adjust_number_to_print($helper);
                   2524: 
1.278     albertel 2525:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2526: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2527: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2528: 	 }
1.429     foxr     2529: 	 # If we are splitting on section boundaries, we need 
                   2530: 	 # to remember that in split_on_sections and 
                   2531: 	 # print all of the students in the list.
                   2532: 	 #
                   2533: 	 my $split_on_sections = 0;
                   2534: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2535: 	     $split_on_sections = 1;
                   2536: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2537: 	 }
1.150     sakharuk 2538: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2539: 
1.150     sakharuk 2540: 	 #loop over students
1.562     foxr     2541: 
                   2542:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2543: 	 my %moreenv;
1.330     sakharuk 2544:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2545: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2546: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2547: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2548: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2549: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2550: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2551: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2552: 	     $moreenv{'problem_split'}='yes';
                   2553: 	 }
1.318     albertel 2554: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2555: 	 my $student_counter=-1;
1.429     foxr     2556: 	 my $i = 0;
1.430     albertel 2557: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2558: 	 foreach my $person (@students) {
1.350     foxr     2559: 
1.373     albertel 2560:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2561: 	     if (-e $duefile) {
                   2562: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2563: 		 print $temp_file "1969\n";
                   2564: 	     }
1.272     sakharuk 2565: 	     $student_counter++;
1.429     foxr     2566: 	     if ($split_on_sections) {
1.430     albertel 2567: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2568: 		 if ($this_section ne $last_section) {
                   2569: 		     $i++;
                   2570: 		     $last_section = $this_section;
                   2571: 		 }
                   2572: 	     } else {
                   2573: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2574: 	     }
1.375     foxr     2575: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2576: 						     $person,$type,
                   2577: 						     \%moreenv,\@master_seq,
1.360     albertel 2578: 						     $flag_latex_header_remove,
1.422     albertel 2579: 						     $LaTeXwidth);
1.375     foxr     2580: 	     $resources_printed .= ":";
1.284     albertel 2581: 	     $print_array[$i].=$output;
                   2582: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   2583: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2584: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 2585: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2586: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2587: 	 }
                   2588: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2589: 	 $result .= $print_array[0].'  \end{document}';
                   2590:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2591: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2592: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2593: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2594: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2595: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2596: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2597: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2598: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2599: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2600: 
1.381     albertel 2601: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2602:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2603: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2604: 	 foreach my $line (@lines) {
1.381     albertel 2605: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2606: 	     if ($name eq $code_option) {
                   2607: 		 $code_length=$length;
                   2608: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2609: 	     }
                   2610: 	 }
1.288     albertel 2611: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2612: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2613:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2614: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2615: 	 my @allcodes;
                   2616: 	 if ($old_name) {
1.381     albertel 2617: 	     my %result=&Apache::lonnet::get('CODEs',
                   2618: 					     [$old_name,"type\0$old_name"],
                   2619: 					     $cdom,$cnum);
                   2620: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2621: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2622: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2623: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2624: 	     $num_todo = 1;
                   2625: 	     @allcodes = ($selected_code);
1.385     foxr     2626: 	 } elsif ($single_code) {
                   2627: 
1.387     foxr     2628: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2629: 	     # If an alpha code have to convert to numbers so it can be
                   2630: 	     # converted back to letters again :-)
                   2631: 	     #
                   2632: 	     if ($code_type ne 'number') {
                   2633: 		 $single_code = &letters_to_num($single_code);
                   2634: 	     }
                   2635: 	     @allcodes = ($single_code);
1.292     albertel 2636: 	 } else {
                   2637: 	     my %allcodes;
1.299     albertel 2638: 	     srand($seed);
1.292     albertel 2639: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2640: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2641: 					    $code_type);
1.292     albertel 2642: 	     }
                   2643: 	     if ($code_name) {
                   2644: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2645: 				      {
                   2646: 					$code_name =>join(',',keys(%allcodes)),
                   2647: 					"type\0$code_name" => $code_type
                   2648: 				      },
1.292     albertel 2649: 				      $cdom,$cnum);
                   2650: 	     }
                   2651: 	     @allcodes=keys(%allcodes);
                   2652: 	 }
1.336     albertel 2653: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2654: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2655: 	 &adjust_number_to_print($helper);
1.336     albertel 2656: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2657: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2658: 	     $number_per_page=$num_todo;
                   2659: 	 }
                   2660: 	 my $flag_latex_header_remove = 'NO'; 
                   2661: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2662: 	 my $count=0;
1.292     albertel 2663: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2664: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2665: 	     if ($code_type eq 'number') { 
                   2666: 		 $moreenv{'CODE'}=$code;
                   2667: 	     } else {
                   2668: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2669: 	     }
1.375     foxr     2670: 	     my ($output,$fullname, $printed)=
1.288     albertel 2671: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2672: 				  \@master_seq,$flag_latex_header_remove,
                   2673: 				  $LaTeXwidth);
1.375     foxr     2674: 	     $resources_printed .= ":";
1.295     albertel 2675: 	     $print_array[$file_num].=$output;
1.288     albertel 2676: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2677: 				       &mt('last assignment').' '.$fullname);
                   2678: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2679: 	     $count++;
1.331     albertel 2680: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2681: 	 }
                   2682: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2683: 	 $result .= $print_array[0].'  \end{document}';
                   2684:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2685:     #prints selected problems from the subdirectory 
                   2686: 	$selectionmade = 6;
                   2687:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2688: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2689: 	my $flag_latex_header_remove = 'NO'; 
                   2690: 	my $rndseed=time;
1.230     albertel 2691: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2692: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2693: 	}
1.151     sakharuk 2694: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2695: 
                   2696: 	    &Apache::lonenc::reset_enc();
                   2697: 
1.152     sakharuk 2698: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2699: 	    $urlp=~s|//|/|;
1.152     sakharuk 2700: 	    if ($urlp=~/\//) {
1.353     foxr     2701: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2702: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2703: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2704: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2705: 		} else {
1.302     sakharuk 2706: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2707: 		}
1.375     foxr     2708: 		$resources_printed .= $urlp.':';
1.515     foxr     2709: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2710: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2711: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2712: 		    #  Don't permanently pervert %form:
                   2713: 		    my %answerform = %form;
                   2714: 		    $answerform{'grade_target'}='answer';
                   2715: 		    $answerform{'answer_output_mode'}='tex';
                   2716: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2717: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2718: 		    $resources_printed .= $urlp.':';
1.515     foxr     2719: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2720: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2721: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2722: 		    } else {
1.253     sakharuk 2723: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2724: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2725: 			    $texversion.='\vskip 0 mm \noindent ';
                   2726: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2727: 			} else {
                   2728: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2729: 			    my $URLpath=$urlp;
                   2730: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2731: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2732: 			}
                   2733: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2734: 		    }
1.174     sakharuk 2735: 		}
1.515     foxr     2736:                 #this chunk is responsible for printing the path to problem
                   2737: 
1.253     sakharuk 2738: 		my $newurlp=$urlp;
                   2739: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2740: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2741: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2742: 		if ($flag_latex_header_remove ne 'NO') {
                   2743: 		    $texversion = &latex_header_footer_remove($texversion);
                   2744: 		} else {
                   2745: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2746: 		}
                   2747: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2748: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2749: 		}
1.219     sakharuk 2750: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2751: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2752: 		    
                   2753: 		}
1.152     sakharuk 2754: 		$result .= $texversion;
                   2755: 	    }
                   2756: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2757: 	}
1.175     sakharuk 2758: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2759: 	$result .= '\end{document}';      	
1.140     sakharuk 2760:     }
                   2761: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2762: 
                   2763:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2764: 
                   2765:     if ($do_postprocessing) {
                   2766: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2767: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2768: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2769: 	#if ($numberofcolumns == 1) {
1.451     albertel 2770: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2771: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2772: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2773: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2774: 	#}
                   2775:     }
1.367     foxr     2776: 
1.515     foxr     2777:     # Set URLback if this is a construction space print so we can provide
                   2778:     # a link to the resource being edited.
                   2779:     #
1.274     sakharuk 2780: 
1.276     sakharuk 2781:     my $URLback=''; #link to original document
1.510     albertel 2782:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2783: 	#prints resource from the construction space
                   2784: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2785: 	if ($URLback=~/([^?]+)/) {
                   2786: 	    $URLback=$1;
                   2787: 	    $URLback=~s|^/~|/priv/|;
                   2788: 	}
1.276     sakharuk 2789:     }
1.556     foxr     2790:     #
                   2791:     # Final adjustment of the font size:
                   2792:     #
                   2793: 
                   2794:     $result = set_font_size($result);
1.375     foxr     2795: 
1.525     www      2796: #-- writing .tex file in prtspool 
                   2797:     my $temp_file;
                   2798:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2799:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2800:     if (!($#print_array>0)) { 
                   2801:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2802: 	  $r->log_error("Couldn't open $filename for output $!");
                   2803: 	  return SERVER_ERROR; 
                   2804:        }
                   2805:        print $temp_file $result;
                   2806:        my $begin=index($result,'\begin{document}',0);
                   2807:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2808:     } else {
1.525     www      2809:        my $begin=index($result,'\begin{document}',0);
                   2810:        my $inc=substr($result,0,$begin+16);
                   2811:        for (my $i=0;$i<=$#print_array;$i++) {
                   2812: 	  if ($i==0) {
                   2813: 	      $print_array[$i]=$result;
                   2814: 	  } else {
                   2815: 	      $print_array[$i].='\end{document}';
                   2816: 	      $print_array[$i] = 
                   2817: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2818: 				   $selectionmade, 
                   2819: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2820: 	    
1.525     www      2821: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2822: 	      substr($print_array[$i],0,$anobegin)='';
                   2823: 	      $print_array[$i]=$inc.$print_array[$i];
                   2824: 	  }
                   2825: 	  my $temp_file;
                   2826: 	  my $newfilename=$filename;
                   2827: 	  my $num=$i+1;
                   2828: 	  $newfilename =~s/\.tex$//; 
                   2829: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2830: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2831: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2832: 	      return SERVER_ERROR; 
                   2833: 	  }
                   2834: 	  print $temp_file $print_array[$i];
                   2835:        }
                   2836:     }
                   2837:     my $student_names='';
                   2838:     if ($#print_array>0) {
                   2839:         for (my $i=0;$i<=$#print_array;$i++) {
                   2840:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2841: 	}
1.525     www      2842:     } else {
                   2843: 	if ($#student_names>-1) {
                   2844: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2845: 	} else {
1.525     www      2846:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2847: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2848: 				    $env{'request.course.sec'},$fullname).
                   2849: 					'_ENDPERSON_'.'_END_';
                   2850: 	}
1.525     www      2851:      }
1.515     foxr     2852: 	
1.525     www      2853:      # logic for now is too complex to trace if this has been defined
                   2854:      #  yet.
                   2855:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2856:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2857:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2858: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2859: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2860: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2861: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2862: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2863: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2864: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2865: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2866: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2867: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2868:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2869: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2870: 				"cgi.$identifier.courseid" => $cnum, 
                   2871: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2872: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2873: 	
1.525     www      2874:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2875:     my $continue_text = &mt('Continue');
1.525     www      2876:     # If there's been an unrecoverable SSI error, report it to the user
                   2877:     if ($ssi_error) {
                   2878:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2879:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2880:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2881:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2882:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2883:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2884:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2885:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2886:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2887:     } else {
1.515     foxr     2888: 	$r->print(<<FINALEND);
1.317     albertel 2889: <br />
1.288     albertel 2890: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2891: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2892: $end_page
1.140     sakharuk 2893: FINALEND
1.528     raeburn  2894:     }                                     # endif ssi errors.
1.140     sakharuk 2895: }
                   2896: 
1.288     albertel 2897: 
                   2898: sub get_CODE {
1.381     albertel 2899:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2900:     my $max='1'.'0'x$size;
                   2901:     my $newcode;
                   2902:     while(1) {
1.392     albertel 2903: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2904: 	if (!exists($$all_codes{$newcode})) {
                   2905: 	    $$all_codes{$newcode}=1;
1.381     albertel 2906: 	    if ($type eq 'number' ) {
                   2907: 		return $newcode;
                   2908: 	    } else {
                   2909: 		return &num_to_letters($newcode);
                   2910: 	    }
1.288     albertel 2911: 	}
                   2912:     }
                   2913: }
1.140     sakharuk 2914: 
1.284     albertel 2915: sub print_resources {
1.360     albertel 2916:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2917: 	$LaTeXwidth)=@_;
1.284     albertel 2918:     my $current_output = ''; 
1.375     foxr     2919:     my $printed = '';
1.284     albertel 2920:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2921:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2922:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2923:     if ($person =~ 'anon') {
1.492     foxr     2924: 	$namepostfix .="Name: ";
1.288     albertel 2925: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2926:     }
1.444     foxr     2927:     #  Fullname may have special latex characters that need \ prefixing:
                   2928:     #
                   2929: 
1.350     foxr     2930:     my $i           = 0;
1.284     albertel 2931:     #goes through all resources, checks if they are available for 
                   2932:     #current student, and produces output   
1.428     albertel 2933: 
                   2934:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2935:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2936:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2937:     #
1.441     foxr     2938:     #   end each student with a 
1.440     foxr     2939:     #   Special that allows the post processor to even out the page
                   2940:     #   counts later.  Nasty problem this... it would be really
                   2941:     #   nice to put the special in as a postscript comment
1.441     foxr     2942:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2943:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2944:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2945:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2946:     #
1.568     foxr     2947:     my $syllabus_first = 0;
1.284     albertel 2948:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2949: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2950: 	    if($i != 0) {
                   2951: 		$current_output.= "\\newpage\n";
                   2952: 	    }
                   2953: 	}
1.569     foxr     2954: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     2955: 	$i++;
1.511     foxr     2956: 
1.284     albertel 2957: 	if ( !($type eq 'problems' && 
1.582     raeburn  2958: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) {
1.284     albertel 2959: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2960: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2961: 		if ($res_url!~m|^ext/|
1.413     albertel 2962: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2963: 		    $printed .= $curresline.':';
1.428     albertel 2964: 		    &Apache::lonxml::remember_problem_counter();    
                   2965: 
1.526     www      2966: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  2967:                     if ($res_url =~ /\.page$/) {
                   2968:                         if ($remove_latex_header eq 'NO') {
                   2969:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   2970:                                 $rendered = &print_latex_header().$rendered;
                   2971:                             }
                   2972:                         }
                   2973:                         if ($remove_latex_header eq 'YES') {
                   2974:                             $rendered = &latex_header_footer_remove($rendered);
                   2975:                         } else {
                   2976:                             $rendered =~ s/\\end{document}\d*//;
                   2977:                         }
                   2978:                     }
1.305     sakharuk 2979: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2980: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2981: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2982: 			my %answerenv = %{$moreenv};
                   2983: 			$answerenv{'answer_output_mode'}='tex';
                   2984: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2985: 			
                   2986: 			&Apache::lonxml::restore_problem_counter();
                   2987: 
1.380     foxr     2988: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2989: 
1.305     sakharuk 2990: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2991: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2992: 			} else {
1.423     foxr     2993: 
                   2994: 			    
                   2995: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2996:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   2997:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   2998:                             }
1.477     albertel 2999: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3000: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3001: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3002: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3003: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3004: 			    $body     = &encapsulate_minipage($body);
                   3005: 			    $rendered = $header.$body;
1.305     sakharuk 3006: 			}
                   3007: 		    }
1.511     foxr     3008: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3009: 			my $url = &Apache::lonnet::clutter($res_url);
                   3010: 			my $annotation = &annotate($url);
                   3011: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3012: 		    }
1.562     foxr     3013: 		    my $junk;
1.305     sakharuk 3014: 		    if ($remove_latex_header eq 'YES') {
                   3015: 			$rendered = &latex_header_footer_remove($rendered);
                   3016: 		    } else {
                   3017: 			$rendered =~ s/\\end{document}//;
                   3018: 		    }
                   3019: 		    $current_output .= $rendered;		    
1.456     raeburn  3020: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3021: 		    if ($i == 1) {
                   3022: 			$syllabus_first = 1;
                   3023: 		    }
1.375     foxr     3024: 		    $printed .= $curresline.':';
1.528     raeburn  3025: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3026: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3027: 			my $url = &Apache::lonnet::clutter($res_url);
                   3028: 			my $annotation = &annotate($url);
                   3029: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3030: 		    }
1.305     sakharuk 3031: 		    if ($remove_latex_header eq 'YES') {
                   3032: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3033: 		    } else {
1.305     sakharuk 3034: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3035: 		    }
1.421     foxr     3036: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3037: 		} elsif($res_url = ~/\.pdf$/) {
                   3038: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3039: 		    my $rendered  = &include_pdf($url);
                   3040: 		    if ($remove_latex_header ne 'NO') {
                   3041: 			$rendered = &latex_header_footer_remove($rendered);
                   3042: 		    }
                   3043: 		    $current_output .= $rendered;
1.284     albertel 3044: 		} else {
1.414     albertel 3045: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3046: 		    if ($remove_latex_header ne 'NO') {
                   3047: 			$rendered = &latex_header_footer_remove($rendered);
                   3048: 		    } else {
                   3049: 			$rendered =~ s/\\end{document}//;
                   3050: 		    }
                   3051: 		    $current_output .= $rendered;
1.284     albertel 3052: 		}
                   3053: 	    }
                   3054: 	    $remove_latex_header = 'YES';
1.550     foxr     3055: 	} 
1.331     albertel 3056: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3057:     }
1.552     foxr     3058: 
1.583     raeburn  3059:     if ($syllabus_first) {
                   3060:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3061:     }
1.284     albertel 3062:     my $courseidinfo = &get_course();
1.583.2.1! raeburn  3063:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
        !          3064:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1.284     albertel 3065:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3066:     my $header_line =
1.486     foxr     3067: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.583.2.1! raeburn  3068: 			    $currentassignment, $courseidinfo, $fullname);
1.476     albertel 3069:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3070: 	                                         : '\fancyhead[LO]';
                   3071:     $header_line = $header_start.'{'.$header_line.'}';
1.583     raeburn  3072:     if ($current_output=~/\\documentclass/) {
1.476     albertel 3073: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 3074:     } else {
1.476     albertel 3075: 	my $blankpages = 
                   3076: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3077: 	    
                   3078: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3079: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3080: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3081: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3082:     }
1.440     foxr     3083:     #
                   3084:     #  Close the student bracketing.
                   3085:     #
1.375     foxr     3086:     return ($current_output,$fullname, $printed);
1.284     albertel 3087: 
                   3088: }
1.140     sakharuk 3089: 
1.3       sakharuk 3090: sub handler {
                   3091: 
                   3092:     my $r = shift;
1.397     albertel 3093:     
                   3094:     &init_perm();
1.114     bowersj2 3095: 
1.416     foxr     3096: 
1.67      www      3097: 
1.397     albertel 3098:     my $helper = printHelper($r);
                   3099:     if (!ref($helper)) {
                   3100: 	return $helper;
1.60      sakharuk 3101:     }
1.177     sakharuk 3102:    
1.184     sakharuk 3103: 
1.454     foxr     3104:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3105:  
1.416     foxr     3106: 
1.350     foxr     3107: 
                   3108: 
1.367     foxr     3109:     #  If a figure conversion queue file exists for this user.domain
                   3110:     # we delete it since it can only be bad (if it were good, printout.pl
                   3111:     # would have deleted it the last time around.
                   3112: 
1.373     albertel 3113:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3114:     if(-e $conversion_queuefile) {
                   3115: 	unlink $conversion_queuefile;
                   3116:     }
1.515     foxr     3117:     
                   3118: 
1.184     sakharuk 3119:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3120:     return OK;
1.60      sakharuk 3121: } 
1.2       sakharuk 3122: 
1.131     bowersj2 3123: use Apache::lonhelper;
1.130     sakharuk 3124: 
1.223     bowersj2 3125: sub addMessage {
                   3126:     my $text = shift;
                   3127:     my $paramHash = Apache::lonhelper::getParamHash();
                   3128:     $paramHash->{MESSAGE_TEXT} = $text;
                   3129:     Apache::lonhelper::message->new();
                   3130: }
                   3131: 
1.416     foxr     3132: 
1.238     bowersj2 3133: 
1.397     albertel 3134: sub init_perm {
                   3135:     undef(%perm);
                   3136:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3137:     if (!$perm{'pav'}) {
                   3138: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3139: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3140:     }
1.465     albertel 3141:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3142:     if (!$perm{'pfo'}) {
                   3143: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3144: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3145:     }
                   3146: }
                   3147: 
1.507     albertel 3148: sub get_randomly_ordered_warning {
                   3149:     my ($helper,$map) = @_;
                   3150: 
                   3151:     my $message;
                   3152: 
                   3153:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3154:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3155:     if (defined($navmap)) {
                   3156:         my $res = $navmap->getResourceByUrl($map);
                   3157:         if ($res) {
                   3158: 	    my $func = 
                   3159: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3160: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3161: 	    if (@matches) {
                   3162: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3163: 	    }
                   3164:         }
                   3165:         if ($message) {
                   3166: 	    return '<message type="warning">'.$message.'</message>';
                   3167:         }
                   3168:     } else {
                   3169:         $message = "Retrieval of information about ordering of resources failed."; 
                   3170:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3171:     }
                   3172:     return;
                   3173: }
                   3174: 
1.131     bowersj2 3175: sub printHelper {
1.115     bowersj2 3176:     my $r = shift;
                   3177: 
                   3178:     if ($r->header_only) {
1.373     albertel 3179:         if ($env{'browser.mathml'}) {
1.241     www      3180:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3181:         } else {
1.241     www      3182:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3183:         }
                   3184:         $r->send_http_header;
                   3185:         return OK;
1.115     bowersj2 3186:     }
                   3187: 
1.131     bowersj2 3188:     # Send header, nocache
1.373     albertel 3189:     if ($env{'browser.mathml'}) {
1.241     www      3190:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3191:     } else {
1.241     www      3192:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3193:     }
                   3194:     &Apache::loncommon::no_cache($r);
                   3195:     $r->send_http_header;
                   3196:     $r->rflush();
                   3197: 
1.131     bowersj2 3198:     # Unfortunately, this helper is so complicated we have to
                   3199:     # write it by hand
                   3200: 
                   3201:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3202:     
1.176     bowersj2 3203:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3204:     $helper->declareVar('symb');
1.156     bowersj2 3205:     $helper->declareVar('postdata');    
1.290     sakharuk 3206:     $helper->declareVar('curseed'); 
                   3207:     $helper->declareVar('probstatus');   
1.156     bowersj2 3208:     $helper->declareVar('filename');
                   3209:     $helper->declareVar('construction');
1.178     sakharuk 3210:     $helper->declareVar('assignment');
1.262     sakharuk 3211:     $helper->declareVar('style_file');
1.340     foxr     3212:     $helper->declareVar('student_sort');
1.363     foxr     3213:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3214:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3215:     $helper->declareVar("showallfoils");
1.483     foxr     3216:     $helper->declareVar("STUDENTS");
1.569     foxr     3217:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3218: 
                   3219:    
                   3220: 
                   3221: 
1.569     foxr     3222:     #  The page breaks and extra spaces
                   3223:     #  can get loaded initially from the course environment:
1.394     foxr     3224:     # But we only do this in the initial state so that they are allowed to change.
                   3225:     #
1.366     foxr     3226: 
1.363     foxr     3227:     
                   3228:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3229: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3230: 						 'extraspace'  => 'scalar',
1.570     foxr     3231: 						 'extraspace_units' => 'scalar',
1.366     foxr     3232: 					         'lastprinttype' => 'scalar'});
                   3233:     
1.483     foxr     3234:     # This will persistently load in the data we want from the
                   3235:     # very first screen.
1.394     foxr     3236:     
                   3237:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3238: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3239: 	    
                   3240: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3241: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3242: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3243: 	} else {
                   3244: 	    my $state = $env{"form.CURRENT_STATE"};
                   3245: 	    if ($state eq "START") {
                   3246: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3247: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3248: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3249: 		
1.394     foxr     3250: 	    }
                   3251: 	}
                   3252: 	
1.366     foxr     3253:     }
1.481     albertel 3254: 
1.156     bowersj2 3255:     # Detect whether we're coming from construction space
1.373     albertel 3256:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3257:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3258:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3259:     } else {
1.373     albertel 3260:         if ($env{'form.postdata'}) {
                   3261:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3262: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3263: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3264: 	    }
1.156     bowersj2 3265:         }
1.373     albertel 3266:         if ($env{'form.symb'}) {
                   3267:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3268:         }
1.373     albertel 3269:         if ($env{'form.url'}) {
1.156     bowersj2 3270:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3271:         }
1.416     foxr     3272: 
1.157     bowersj2 3273:     }
1.481     albertel 3274: 
1.373     albertel 3275:     if ($env{'form.symb'}) {
                   3276:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3277:     }
1.373     albertel 3278:     if ($env{'form.url'}) {
1.140     sakharuk 3279:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3280: 
1.140     sakharuk 3281:     }
1.343     albertel 3282:     $helper->{VARS}->{'symb'}=
                   3283: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3284:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3285:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3286: 
1.156     bowersj2 3287:     
1.146     bowersj2 3288:     # Extract map
                   3289:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3290:     my ($map, $id, $url);
                   3291:     my $subdir;
1.483     foxr     3292:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3293: 
                   3294:     # Get the resource name from construction space
                   3295:     if ($helper->{VARS}->{'construction'}) {
                   3296:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3297:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3298:         $subdir = substr($helper->{VARS}->{'filename'},
                   3299:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3300:     } else {
1.562     foxr     3301: 	# From course space:
                   3302: 
1.482     albertel 3303: 	if ($symb ne '') {
                   3304: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3305: 	    $helper->{VARS}->{'postdata'} = 
                   3306: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3307: 	} else {
                   3308: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3309: 	    $is_published=1;	# From resource space.
1.482     albertel 3310: 	}
                   3311: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3312:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3313:             my $postdata = $helper->{VARS}->{'postdata'};
                   3314:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3315:         }
                   3316:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3317:     }
1.373     albertel 3318:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3319: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3320:     }
1.373     albertel 3321:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3322: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3323:     }
1.115     bowersj2 3324: 
1.192     bowersj2 3325:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3326: 
1.481     albertel 3327:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3328: 
1.131     bowersj2 3329:     # "Delete everything after the last slash."
1.119     bowersj2 3330:     $subdir =~ s|/[^/]+$||;
                   3331: 
1.131     bowersj2 3332:     # What can be printed is a very dynamic decision based on
                   3333:     # lots of factors. So we need to dynamically build this list.
                   3334:     # To prevent security leaks, states are only added to the wizard
                   3335:     # if they can be reached, which ensures manipulating the form input
                   3336:     # won't allow anyone to reach states they shouldn't have permission
                   3337:     # to reach.
                   3338: 
                   3339:     # printChoices is tracking the kind of printing the user can
                   3340:     # do, and will be used in a choices construction later.
                   3341:     # In the meantime we will be adding states and elements to
                   3342:     # the helper by hand.
                   3343:     my $printChoices = [];
                   3344:     my $paramHash;
1.130     sakharuk 3345: 
1.240     albertel 3346:     if ($resourceTitle) {
1.458     www      3347:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3348:     }
                   3349: 
1.238     bowersj2 3350:     # Useful filter strings
1.540     raeburn  3351:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3352:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3353:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3354:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3355:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3356:     my $isMap = '$res->is_map()';
1.342     albertel 3357:     my $symbFilter = '$res->shown_symb()';
                   3358:     my $urlValue = '$res->link()';
1.238     bowersj2 3359: 
                   3360:     $helper->declareVar('SEQUENCE');
                   3361: 
1.465     albertel 3362:     # If we're in a sequence...
1.416     foxr     3363: 
1.465     albertel 3364:     my $start_new_option;
                   3365:     if ($perm{'pav'}) {
                   3366: 	$start_new_option = 
                   3367: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     3368: 	    "' variable='FINISHPAGE' />".
1.570     foxr     3369: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     3370: 	    "' variable='EXTRASPACE' type='text' />" .
                   3371: 	    "<option " .
1.570     foxr     3372: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   3373: 	    "<option text='".&mt('Space units<br />check for mm').
                   3374: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   3375: 	    ;
                   3376: 	    
1.569     foxr     3377: 
1.465     albertel 3378:     }
1.238     bowersj2 3379: 
1.562     foxr     3380:     # If not construction space user can print the components of a page:
                   3381: 
                   3382:     my $page_ispage;
                   3383:     my $page_title;
                   3384:     if (!$helper->{VARS}->{'construction'}) {
                   3385: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3386: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3387: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3388: 	if (defined($page_navmap)) {
                   3389: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3390: 	    if(defined($page_resources[0])) {
                   3391: 		$page_ispage       = $page_resources[0]->is_page();
                   3392: 		$page_title     = $page_resources[0]->title();
                   3393: 		my $resourcesymb   = $page_resources[0]->symb();
                   3394: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3395: 		if ($page_ispage) {
                   3396: 		    push @{$printChoices}, 
                   3397: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3398: 		     'map_problems_in_page', 
                   3399: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3400: 		    push @{$printChoices}, 
                   3401: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3402: 		     'map_resources_in_page', 
                   3403: 		     'CHOOSE_RESOURCES_PAGE'];
                   3404: 		}
1.562     foxr     3405:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3406: 							'Select Problem(s) to print',
                   3407: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3408: 							'RESOURCES',
                   3409: 							'PAGESIZE',
                   3410: 							$url,
                   3411: 							$isProblem, '',  $symbFilter,
                   3412: 							$start_new_option);
                   3413: 
                   3414: 
                   3415:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3416: 						    'Select Resource(s) to print',
                   3417: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3418: 						    'RESOURCES',
                   3419: 						    'PAGESIZE',
                   3420: 						    $url,
                   3421: 						    $isNotMap, '', $symbFilter,
                   3422: 						    $start_new_option);
                   3423: 
                   3424: 						    
                   3425: 
                   3426: 
                   3427: 
                   3428: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3429: 	
1.563     foxr     3430: 	    }
                   3431: 	}
1.562     foxr     3432:     }
                   3433: 
                   3434:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3435: 	$helper->{VARS}->{'postdata'} &&
                   3436: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3437:         # Allow problems from sequence
1.562     foxr     3438:         push @{$printChoices}, 
                   3439: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3440: 	     'map_problems', 
                   3441: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3442:         # Allow all resources from sequence
1.562     foxr     3443:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3444: 				'map_problems_pages', 
                   3445: 				'CHOOSE_PROBLEMS_HTML'];
                   3446:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3447: 							'Select Problem(s) to print',
                   3448: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3449: 							'RESOURCES',
                   3450: 							'PAGESIZE',
                   3451: 							$map,
                   3452: 							$isProblem, '',
                   3453: 							$symbFilter,
                   3454: 							$start_new_option);
                   3455: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3456: 						      'Select Resource(s) to print',
                   3457: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3458: 						      'RESOURCES',
                   3459: 						      'PAGESIZE',
                   3460: 						      $map,
                   3461: 						      $isNotMap, '',
                   3462: 						      $symbFilter,
                   3463: 						      $start_new_option);
1.121     bowersj2 3464: 
1.326     sakharuk 3465: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3466:     }
                   3467: 
1.546     bisitz   3468:     # If the user has pfo (print for others) allow them to print all 
                   3469:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3470:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3471:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3472:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3473: 
1.509     albertel 3474:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3475: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3476: 	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     3477: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3478:   <state name="STUDENTS1" title="Select People">
                   3479:       <message><b>Select sorting order of printout</b> </message>
                   3480:     <choices variable='student_sort'>
                   3481:       <choice computer='0'>Sort by section then student</choice>
                   3482:       <choice computer='1'>Sort by students across sections.</choice>
                   3483:     </choices>
                   3484:       <message><br /><hr /><br /> </message>
                   3485:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3486:   </state>
1.284     albertel 3487: ALL_PROBLEMS
1.562     foxr     3488:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3489: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3490: 							      'SelectProblem(s) to print',
                   3491: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3492: 							      'RESOURCES',
                   3493: 							      'PAGESIZE',
                   3494: 							      '',
                   3495: 							      $isProblemOrMap, $isNotMap,
                   3496: 							      $symbFilter,
                   3497: 							      $start_new_option) .
                   3498: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3499: 							      'Select Resource(s) to print',
                   3500: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3501: 							      'RESOURCES',
                   3502: 							      'PAGESIZE',
                   3503: 							      '',
                   3504: 							      $isNotMap,'',$symbFilter,
                   3505: 							      $start_new_option) .
                   3506: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3507: 							      'Select Problem(s) to print',
                   3508: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3509: 							      'RESOURCES',
                   3510: 							      'STUDENTS1',
                   3511: 							      '',
                   3512: 							      $isProblemOrMap,'' , $symbFilter,
                   3513: 							      $start_new_option) .
                   3514: 				     $suffixXml
                   3515: 				   );
1.132     bowersj2 3516: 
1.284     albertel 3517: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3518: 
                   3519: 	    # If we were looking at a page, allow a selection of problems from the page
                   3520: 	    # either for selected students or for coded assignments.
                   3521: 
                   3522: 	    if ($page_ispage) {
                   3523: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3524: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3525: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3526: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3527: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3528: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3529: 	    }
                   3530: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3531: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3532: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3533: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3534: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3535: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3536: 	}
1.424     foxr     3537: 
1.507     albertel 3538: 	my $randomly_ordered_warning = 
                   3539: 	    &get_randomly_ordered_warning($helper,$map);
                   3540: 
1.424     foxr     3541: 	# resource_selector will hold a few states that:
                   3542: 	#   - Allow resources to be selected for printing.
                   3543: 	#   - Determine pagination between assignments.
                   3544: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3545:         # TODO:
                   3546: 	#    Probably good to do things like separate this up into several vars, each
                   3547: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3548: 	#    and next states for better mix and match capability
                   3549: 	#
1.562     foxr     3550: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3551: 							  'Select resources to print',
                   3552: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3553: 							  'RESOURCES', 
                   3554: 							  'PRINT_FORMATTING',
1.571     droeschl 3555: 							  $map,
1.562     foxr     3556: 							  $isProblem, '', $symbFilter,
                   3557: 							  $start_new_option);
                   3558: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3559:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3560:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3561:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3562:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3563:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3564:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3565:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3566:     </choices>
1.424     foxr     3567:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3568:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3569:     <choices variable="SPLIT_PDFS">
                   3570:        <choice computer="all">All assignments in a single PDF file</choice>
                   3571:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3572:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3573:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3574:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3575:     </choices>
1.424     foxr     3576:     </state>
1.284     albertel 3577: RESOURCE_SELECTOR
1.562     foxr     3578:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3579: 							'Select Problem(s) to print',
                   3580: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3581: 							'RESOURCES',
                   3582: 							'PRINT_FORMATTING',
                   3583: 							$url,
                   3584: 							$isProblem, '',  $symbFilter,
                   3585: 							$start_new_option);
                   3586: 
                   3587: 
                   3588: # Generate student choosers.
                   3589: 
                   3590: 
1.284     albertel 3591: 
1.562     foxr     3592:         &Apache::lonxml::xmlparse($r, 'helper',
                   3593: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3594: 							    'student_sort',
                   3595: 							    'STUDENTS',
                   3596: 							    'CHOOSE_STUDENTS_PAGE'));
                   3597: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3598: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3599: 							    'student_sort',
                   3600: 							    'STUDENTS',
                   3601: 							    'SELECT_PROBLEMS'));
                   3602: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3603: 
1.373     albertel 3604: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3605: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3606:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3607: 	my $namechoice='<choice></choice>';
1.337     albertel 3608: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3609: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3610: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3611: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3612: 	}
1.389     foxr     3613: 
                   3614: 
                   3615: 	my %code_values;
1.405     albertel 3616: 	my %codes_to_print;
1.411     albertel 3617: 	foreach my $key (@names) {
1.389     foxr     3618: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3619: 	    foreach my $key (keys(%code_values)) {
                   3620: 		$codes_to_print{$key} = 1;
1.388     foxr     3621: 	    }
                   3622: 	}
1.389     foxr     3623: 
1.452     albertel 3624: 	my $code_selection;
1.405     albertel 3625: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3626: 	    my $choice  = $code;
                   3627: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3628: 		$choice = &letters_to_num($code);
                   3629: 	    }
1.432     albertel 3630: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3631: 	}
1.436     albertel 3632: 	if (%codes_to_print) {
                   3633: 	    $code_selection .='   
1.472     albertel 3634: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3635: 		<message></td><td></message>
1.452     albertel 3636: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3637:                   <choice></choice>
1.448     albertel 3638:                   <exec>
                   3639:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3640:                   </exec>
1.452     albertel 3641: 		</dropdown>
1.468     foxr     3642: 	    <message></td></tr><tr><td></message>
1.436     albertel 3643:             '.$/;
1.448     albertel 3644: 
1.436     albertel 3645: 	}
1.432     albertel 3646: 
1.542     raeburn  3647:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3648: 	my $codechoice='';
1.542     raeburn  3649: 	foreach my $line (@lines) {
1.381     albertel 3650: 	    my ($name,$description,$code_type,$code_length)=
                   3651: 		(split(/:/,$line))[0,1,2,4];
                   3652: 	    if ($code_length > 0 && 
                   3653: 		$code_type =~/^(letter|number|-1)/) {
                   3654: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3655: 	    }
                   3656: 	}
                   3657: 	if ($codechoice eq '') {
                   3658: 	    $codechoice='<choice computer="default">Default</choice>';
                   3659: 	}
1.562     foxr     3660: 	my $anon1 = &generate_code_selector($helper, 
                   3661: 					    'CHOOSE_ANON1',
                   3662: 					    'SELECT_PROBLEMS',
                   3663: 					    $codechoice,
                   3664: 					    $code_selection,
                   3665: 					    $namechoice) . $resource_selector;
                   3666: 					    
                   3667: 					    
                   3668:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3669: 
                   3670: 	my $anon_page = &generate_code_selector($helper,
                   3671: 						'CHOOSE_ANON1_PAGE',
                   3672: 						'SELECT_PROBLEMS_PAGE',
                   3673: 						$codechoice,
                   3674: 						$code_selection,
                   3675: 						$namechoice) .
                   3676: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3677: 						   'Select Problem(s) to print',
                   3678: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3679: 						   'RESOURCES',
                   3680: 						   'PRINT_FORMATTING',
                   3681: 						   $url,
                   3682: 						   $isProblem, '',  $symbFilter,
                   3683: 						   $start_new_option);
                   3684: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3685: 
1.272     sakharuk 3686: 
1.254     sakharuk 3687: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3688: 	    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'];
                   3689: 	    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 3690: 	}
1.284     albertel 3691: 	    
                   3692: 
                   3693: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3694:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3695:     $randomly_ordered_warning
1.424     foxr     3696:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3697:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3698:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3699:               closeallpages="1">
1.254     sakharuk 3700:       <filterfunc>return $isNotMap;</filterfunc>
                   3701:       <mapurl>$map</mapurl>
                   3702:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3703:       $start_new_option
1.254     sakharuk 3704:       </resource>
1.424     foxr     3705:     </state>
1.562     foxr     3706: 
1.424     foxr     3707:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3708:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3709:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3710:     <choices variable="EMPTY_PAGES">
                   3711:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3712:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3713:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3714:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3715:     </choices>
1.424     foxr     3716:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3717:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3718:     <choices variable="SPLIT_PDFS">
                   3719:        <choice computer="all">All assignments in a single PDF file</choice>
                   3720:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3721:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3722:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3723:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3724:     </choices>
1.424     foxr     3725:     </state>
1.284     albertel 3726: RESOURCE_SELECTOR
                   3727: 
                   3728: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3729:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3730:     <choices variable='student_sort'>
                   3731:       <choice computer='0'>Sort by section then student</choice>
                   3732:       <choice computer='1'>Sort by students across sections.</choice>
                   3733:     </choices>
1.437     foxr     3734:     <message><br /><hr /><br /></message>
1.426     foxr     3735:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3736: 
1.424     foxr     3737:     </state>
1.284     albertel 3738:     $resource_selector
1.254     sakharuk 3739: CHOOSE_STUDENTS1
                   3740: 
1.284     albertel 3741: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3742:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3743:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3744:     <message><h4>Fill out one of the forms below</h4></message>
                   3745:     <message><br /><hr /> <br /></message>
                   3746:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3747:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     3748:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 3749:        <validator>
                   3750: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3751: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3752: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3753: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3754: 	    return "You need to specify the number of assignments to print";
                   3755: 	}
1.578     foxr     3756:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   3757:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   3758:             return 'Specifying number of codes to print and a specific code is not compatible';
                   3759:         }
1.362     albertel 3760: 	return undef;
                   3761:        </validator>
                   3762:     </string>
                   3763:     <message></td></tr><tr><td></message>
1.501     albertel 3764:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3765:     <message></td><td></message>
                   3766:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3767:     <message></td></tr><tr><td></message>
                   3768:     <message><b>Bubble sheet type:</b></message>
                   3769:     <message></td><td></message>
                   3770:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3771:     $codechoice
                   3772:     </dropdown>
1.472     albertel 3773:     <message></td></tr><tr><td></table></message>
                   3774:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3775:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3776:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3777:         <validator>
                   3778: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3779: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3780: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3781: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3782: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     3783: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     3784: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     3785: 	   } else {
                   3786: 	       return undef;	# Other forces control us.
                   3787: 	   }
                   3788:         </validator>
                   3789:     </string>
1.472     albertel 3790:     <message></td></tr><tr><td></message>
1.432     albertel 3791:         $code_selection
1.472     albertel 3792:     <message></td></tr></table></message>
                   3793:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3794:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3795:     <message></td><td></message>
1.294     albertel 3796:     <dropdown variable="REUSE_OLD_CODES">
                   3797:         $namechoice
                   3798:     </dropdown>
1.412     albertel 3799:     <message></td></tr></table></message>
1.424     foxr     3800:   </state>
1.284     albertel 3801:     $resource_selector
                   3802: CHOOSE_ANON2
1.481     albertel 3803:     }
                   3804: 
1.121     bowersj2 3805:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3806:     if (($perm{'pav'} 
1.482     albertel 3807: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3808: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3809: 	    ||
                   3810: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3811: 	     && 
                   3812: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3813: 	    )) 
                   3814: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3815: 	) {
                   3816: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3817:         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 3818:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3819:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3820: 
1.138     bowersj2 3821:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3822:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3823:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3824: CHOOSE_FROM_SUBDIR
                   3825:         
1.238     bowersj2 3826:         # this is broken up because I really want interpolation above,
                   3827:         # and I really DON'T want it below
1.139     bowersj2 3828:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3829:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3830: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3831:       </filefilter>
1.138     bowersj2 3832:       </files>
1.131     bowersj2 3833:     </state>
                   3834: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3835:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3836:     }
1.238     bowersj2 3837: 
                   3838:     # Allow the user to select any sequence in the course, feed it to
                   3839:     # another resource selector for that sequence
1.483     foxr     3840:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3841: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3842: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3843: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3844: 	#Escape apostrophes and backslashes for Perl
                   3845: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3846: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3847: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3848:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3849:     <message>Select the sequence to print resources from:</message>
                   3850:     <resource variable="SEQUENCE">
                   3851:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3852:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3853:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3854:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3855: 	</choicefunc>
1.238     bowersj2 3856:       </resource>
                   3857:     </state>
                   3858:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3859:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3860:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3861:               closeallpages="1">
1.238     bowersj2 3862:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3863:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3864:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3865:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3866:       $start_new_option
1.238     bowersj2 3867:       </resource>
                   3868:     </state>
                   3869: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3870: }
1.481     albertel 3871: 
1.131     bowersj2 3872:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3873:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3874:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3875:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3876:     Apache::lonhelper::message->new();
                   3877:     $paramHash = Apache::lonhelper::getParamHash();
                   3878:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3879:     $paramHash->{CHOICES} = $printChoices;
                   3880:     Apache::lonhelper::choices->new();
1.161     bowersj2 3881: 
1.223     bowersj2 3882:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3883:                           # to close it later)
                   3884: 
1.397     albertel 3885:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3886: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3887: 	&addMessage('<br />'
                   3888:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3889:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3890:                    .&Apache::lonhtmlcommon::row_title(
                   3891:                        '<label for="ANSWER_TYPE_forminput">'
                   3892:                       .&mt('Print Answers')
                   3893:                       .'</label>'
                   3894:                     )
                   3895:         );
1.161     bowersj2 3896:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3897: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3898: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3899:         $paramHash->{CHOICES} = [
1.242     sakharuk 3900:                                    ['Without Answers', 'yes'],
                   3901:                                    ['With Answers', 'no'],
1.368     albertel 3902:                                    ['Only Answers', 'only']
1.289     sakharuk 3903:                                 ];
1.210     sakharuk 3904:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3905: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3906: 	$startedTable = 1;
1.556     foxr     3907: 
                   3908: #
                   3909: #  Select font size.
                   3910: #
                   3911: 
                   3912:             $helper->declareVar('fontsize');
                   3913:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3914:             my $xmlfrag = << "FONT_SELECTION";
                   3915: 
                   3916:           
                   3917:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3918:             <defaultvalue>
                   3919: 		  return 'normalsize';
                   3920:             </defaultvalue>
                   3921:             <choice computer='tiny'>Tiny</choice>
                   3922:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3923:             <choice computer='footnotesize'>Footnote Size</choice>
                   3924:             <choice computer='small'>Small</choice>
                   3925:             <choice computer='normalsize'>Normal (default)</choice>
                   3926:             <choice computer='large'>larger than normal</choice>
                   3927:             <choice computer='Large'>Even larger than normal</choice>
                   3928:             <choice computer='LARGE'>Still larger than normal</choice>
                   3929:             <choice computer='huge'>huge font size</choice>
                   3930:             <choice computer='Huge'>Largest possible size</choice>
                   3931:             </dropdown>
                   3932: FONT_SELECTION
                   3933:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3934:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3935:     }
1.209     sakharuk 3936: 
1.397     albertel 3937:     if ($perm{'pav'}) {
1.223     bowersj2 3938: 	if (!$startedTable) {
1.497     www      3939: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3940:                        '<label for="LATEX_TYPE_forminput">'.
                   3941:                        &mt('LaTeX mode').
                   3942:                        "</label>: </td><td>");
1.223     bowersj2 3943: 	    $startedTable = 1;
                   3944: 	} else {
1.544     bisitz   3945: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3946:                            '<label for="LATEX_TYPE_forminput">'
                   3947:                            .&mt('LaTeX mode')
                   3948:                            .'</label>'
                   3949:                         )
                   3950:             );
1.223     bowersj2 3951: 	}
1.203     sakharuk 3952:         $paramHash = Apache::lonhelper::getParamHash();
                   3953: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3954: 	$helper->declareVar('LATEX_TYPE');  
                   3955: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3956: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3957: 				     ['standard LaTeX mode', 'standard'], 
                   3958: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3959: 	} else {
                   3960: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3961: 				     ['LaTeX batchmode', 'batchmode'],
                   3962: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3963: 	}
1.210     sakharuk 3964:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3965:  
1.544     bisitz   3966: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3967:                    .&Apache::lonhtmlcommon::row_title(
                   3968:                         '<label for="TABLE_CONTENTS_forminput">'
                   3969:                        .&mt('Print Table of Contents')
                   3970:                        .'</label>'
                   3971:                     )
                   3972:         );
1.209     sakharuk 3973:         $paramHash = Apache::lonhelper::getParamHash();
                   3974: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3975: 	$helper->declareVar('TABLE_CONTENTS');         
                   3976:         $paramHash->{CHOICES} = [
1.223     bowersj2 3977:                                    ['No', 'no'],
                   3978:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3979:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3980: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3981:         
1.220     sakharuk 3982: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3983: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3984:                             '<label for="TABLE_INDEX_forminput">'
                   3985:                            .&mt('Print Index')
                   3986:                            .'</label>'
                   3987:                         )
                   3988:             );
1.220     sakharuk 3989: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3990: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3991: 	    $helper->declareVar('TABLE_INDEX');         
                   3992: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3993: 				     ['No', 'no'],
                   3994: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3995: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3996:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3997:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3998:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3999:                            .&mt('Print Discussions')
                   4000:                            .'</label>'
                   4001:                         )
                   4002:             );
1.309     sakharuk 4003: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4004: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4005: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4006: 	    $paramHash->{CHOICES} = [
                   4007: 				     ['No', 'no'],
                   4008: 				     ['Yes', 'yes'] ];
                   4009: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4010:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4011: 
1.511     foxr     4012: 	    # Prompt for printing annotations too.
                   4013: 		
1.545     bisitz   4014: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4015:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4016:                            .&mt('Print Annotations')
                   4017:                            .'</label>'
                   4018:                         )
                   4019:             );
1.511     foxr     4020: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4021: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4022: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4023: 	    $paramHash->{CHOICES} = [
                   4024: 				     ['No', 'no'],
                   4025: 				     ['Yes', 'yes']];
                   4026: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4027:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4028: 
1.545     bisitz   4029:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4030: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4031: 	    $paramHash->{'multichoice'} = "true";
                   4032: 	    $paramHash->{'allowempty'}  = "true";
                   4033: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4034: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4035: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4036:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4037: 	}
1.219     sakharuk 4038: 
1.230     albertel 4039: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4040: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4041:             my $randseedtext=&mt("Use random seed");
                   4042:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4043:             my $selectfiletext=&mt("Select style file");
1.497     www      4044: 
1.544     bisitz   4045: 	    my $xmlfrag .= '<message>'
                   4046:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4047:                                               .$randseedtext
                   4048:                                               .'</label>'
                   4049:              )
                   4050:             .'</message>
                   4051:             <string variable="curseed" size="15" maxlength="15">
                   4052:                 <defaultvalue>
                   4053:                    return '.$helper->{VARS}->{'curseed'}.';
                   4054:                 </defaultvalue>'
                   4055:             .'</string>'
                   4056:             .'<message>'
                   4057:             .&Apache::lonhtmlcommon::row_closure()
                   4058:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4059:                                               .$stylefiletext
                   4060:                                               .'</label>'
                   4061:              )
                   4062:             .'</message>
1.504     albertel 4063:              <string variable="style_file" size="40">
1.544     bisitz   4064:                 <defaultvalue>
                   4065:                     return '.$stylevalue.';
                   4066:                 </defaultvalue>
                   4067:              </string><message>&nbsp;'
                   4068: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4069: .$selectfiletext.'</a>'
                   4070:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4071:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4072:             .'</message>
1.371     foxr     4073: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4074:                 <choice computer="1">&nbsp;</choice>
                   4075:              </choices>'
                   4076: 	    .'<message>'
                   4077:             .&Apache::lonhtmlcommon::row_closure()
                   4078:             .'</message>';
1.230     albertel 4079:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4080: 
                   4081: 
1.544     bisitz   4082:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4083: 	    #
                   4084: 	    # Initial value from construction space:
                   4085: 	    #
                   4086: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4087: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4088: 	    }
1.518     foxr     4089: 	    $xmlfrag = << "PROBTYPE";
                   4090: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4091: 		   <defaultvalue>
                   4092: 		      return "$helper->{VARS}->{'probstatus'}";
                   4093:                    </defaultvalue>
                   4094: 		   <choice computer="problem">Homework Problem</choice>
                   4095: 		   <choice computer="exam">Exam Problem</choice>
                   4096: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4097:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4098: 		</dropdown>
                   4099: PROBTYPE
                   4100:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4101:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4102: 
1.556     foxr     4103: 
                   4104: 
1.544     bisitz   4105:         }
1.223     bowersj2 4106:     }
1.264     sakharuk 4107: 
                   4108: 
                   4109: 
1.218     sakharuk 4110: 
1.223     bowersj2 4111:     if ($startedTable) {
1.544     bisitz   4112:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4113:     }
1.161     bowersj2 4114: 
1.131     bowersj2 4115:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4116: 
1.144     bowersj2 4117:     # Generate the PAGESIZE state which will offer the user the margin
                   4118:     # choices if they select one column
                   4119:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4120:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4121: 
                   4122: 
1.131     bowersj2 4123:     $helper->process();
                   4124: 
1.416     foxr     4125: 
1.131     bowersj2 4126:     # MANUAL BAILOUT CONDITION:
                   4127:     # If we're in the "final" state, bailout and return to handler
                   4128:     if ($helper->{STATE} eq 'FINAL') {
                   4129:         return $helper;
                   4130:     }    
1.130     sakharuk 4131: 
1.131     bowersj2 4132:     $r->print($helper->display());
1.395     www      4133:     if ($helper->{STATE} eq 'START') {
                   4134: 	&recently_generated($r);
                   4135:     }
1.333     albertel 4136:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4137: 
                   4138:     return OK;
                   4139: }
                   4140: 
1.1       www      4141: 
                   4142: 1;
1.119     bowersj2 4143: 
                   4144: package Apache::lonprintout::page_format_state;
                   4145: 
                   4146: =pod
                   4147: 
1.131     bowersj2 4148: =head1 Helper element: page_format_state
                   4149: 
                   4150: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4151: 
1.131     bowersj2 4152: Apache::lonprintout::page_format_state is an element that gives the 
                   4153: user an opportunity to select the page layout they wish to print 
                   4154: with: Number of columns, portrait/landscape, and paper size. If you 
                   4155: want to change the paper size choices, change the @paperSize array 
                   4156: contents in this package.
1.119     bowersj2 4157: 
1.131     bowersj2 4158: page_format_state is always directly invoked in lonprintout.pm, so there
                   4159: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4160: 
                   4161: =over 4
                   4162: 
1.131     bowersj2 4163: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4164: 
                   4165: =back
                   4166: 
                   4167: =cut
                   4168: 
1.131     bowersj2 4169: use Apache::lonhelper;
1.119     bowersj2 4170: 
                   4171: no strict;
1.131     bowersj2 4172: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4173: use strict;
1.266     sakharuk 4174: use Apache::lonlocal;
1.373     albertel 4175: use Apache::lonnet;
1.119     bowersj2 4176: 
                   4177: my $maxColumns = 2;
1.376     albertel 4178: # it'd be nice if these all worked
                   4179: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4180: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4181: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4182: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4183: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4184: 		 "a4 [210x297 mm]");
1.119     bowersj2 4185: 
                   4186: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4187: #                   Paper type
                   4188: 
                   4189: sub new { 
1.131     bowersj2 4190:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4191: 
1.135     bowersj2 4192:     shift;
                   4193: 
1.131     bowersj2 4194:     $self->{'variable'} = shift;
1.134     bowersj2 4195:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4196:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4197:     bless($self);
1.119     bowersj2 4198:     return $self;
                   4199: }
                   4200: 
                   4201: sub render {
                   4202:     my $self = shift;
1.131     bowersj2 4203:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4204:     my $result = '';
1.131     bowersj2 4205:     my $var = $self->{'variable'};
1.266     sakharuk 4206:     my $PageLayout=&mt('Page layout');
                   4207:     my $NumberOfColumns=&mt('Number of columns');
                   4208:     my $PaperType=&mt('Paper type');
1.506     albertel 4209:     my $landscape=&mt('Landscape');
                   4210:     my $portrait=&mt('Portrait');
1.539     onken    4211:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4212:     my $with=&mt('with Formfields');
                   4213:     my $without=&mt('without Formfields');
1.556     foxr     4214:     
                   4215: 
1.544     bisitz   4216:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4217:             .&Apache::loncommon::start_data_table()
                   4218:             .&Apache::loncommon::start_data_table_header_row()
                   4219:             .'<th>'.$PageLayout.'</th>'
                   4220:             .'<th>'.$NumberOfColumns.'</th>'
                   4221:             .'<th>'.$PaperType.'</th>'
                   4222:             .'<th>'.$pdfFormLabel.'</th>'
                   4223:             .&Apache::loncommon::end_data_table_header_row()
                   4224:             .&Apache::loncommon::start_data_table_row()
                   4225:     .'<td>'
                   4226:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4227:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4228:     .'</td>';
1.119     bowersj2 4229: 
1.544     bisitz   4230:     $result.='<td align="center">'
                   4231:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4232: 
                   4233:     my $i;
                   4234:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4235:         if ($i == 2) {
1.553     bisitz   4236:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4237:         } else {
1.553     bisitz   4238:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4239:         }
                   4240:     }
                   4241: 
                   4242:     $result .= "</select></td><td>\n";
                   4243:     $result .= "<select name='${var}.paper'>\n";
                   4244: 
1.373     albertel 4245:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4246:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4247:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4248:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4249:     $i = 0;
                   4250:     foreach (@paperSize) {
1.326     sakharuk 4251: 	$_=~/(\w+)/;
                   4252: 	my $papersize=$1;
1.304     sakharuk 4253:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4254:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4255:         } else {
1.553     bisitz   4256:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4257:         }
                   4258:         $i++;
                   4259:     }
1.539     onken    4260:     $result .= <<HTML;
                   4261:         </select>
                   4262:     </td>
                   4263:     <td align='center'>
                   4264:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4265:             <option selected="selected" value="no">$without</option>
                   4266:             <option value="yes">$with</option>
1.539     onken    4267:         </select>
                   4268:     </td>
                   4269: HTML
1.544     bisitz   4270:     $result.=&Apache::loncommon::end_data_table_row()
                   4271:             .&Apache::loncommon::end_data_table();
1.539     onken    4272: 
1.119     bowersj2 4273:     return $result;
1.135     bowersj2 4274: }
                   4275: 
                   4276: sub postprocess {
                   4277:     my $self = shift;
                   4278: 
                   4279:     my $var = $self->{'variable'};
1.136     bowersj2 4280:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4281:     $helper->{VARS}->{$var} = 
1.373     albertel 4282:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4283:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4284:     return 1;
1.119     bowersj2 4285: }
                   4286: 
                   4287: 1;
1.144     bowersj2 4288: 
                   4289: package Apache::lonprintout::page_size_state;
                   4290: 
                   4291: =pod
                   4292: 
                   4293: =head1 Helper element: page_size_state
                   4294: 
                   4295: See lonhelper.pm documentation for discussion of the helper framework.
                   4296: 
                   4297: Apache::lonprintout::page_size_state is an element that gives the 
                   4298: user the opportunity to further refine the page settings if they
                   4299: select a single-column page.
                   4300: 
                   4301: page_size_state is always directly invoked in lonprintout.pm, so there
                   4302: is no tag interface. You actually pass parameters to the constructor.
                   4303: 
                   4304: =over 4
                   4305: 
                   4306: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4307: 
                   4308: =back
                   4309: 
                   4310: =cut
                   4311: 
                   4312: use Apache::lonhelper;
1.373     albertel 4313: use Apache::lonnet;
1.144     bowersj2 4314: no strict;
                   4315: @ISA = ("Apache::lonhelper::element");
                   4316: use strict;
                   4317: 
                   4318: 
                   4319: 
                   4320: sub new { 
                   4321:     my $self = Apache::lonhelper::element->new();
                   4322: 
                   4323:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4324:            # package descriptor)... - Jeremy
                   4325: 
                   4326:     $self->{'variable'} = shift;
                   4327:     my $helper = Apache::lonhelper::getHelper();
                   4328:     $helper->declareVar($self->{'variable'});
                   4329: 
                   4330:     # The variable name of the format element, so we can look into 
                   4331:     # $helper->{VARS} to figure out whether the columns are one or two
                   4332:     $self->{'formatvar'} = shift;
                   4333: 
1.463     foxr     4334: 
1.144     bowersj2 4335:     $self->{NEXTSTATE} = shift;
                   4336:     bless($self);
1.467     foxr     4337: 
1.144     bowersj2 4338:     return $self;
                   4339: }
                   4340: 
                   4341: sub render {
                   4342:     my $self = shift;
                   4343:     my $helper = Apache::lonhelper::getHelper();
                   4344:     my $result = '';
                   4345:     my $var = $self->{'variable'};
                   4346: 
1.467     foxr     4347: 
                   4348: 
1.144     bowersj2 4349:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4350:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4351:     }
                   4352: 
1.438     foxr     4353:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4354: 
                   4355:     # Use format to get sensible defaults for the margins:
                   4356: 
                   4357: 
                   4358:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4359:     ($papersize)                      = split(/ /, $papersize);
                   4360: 
1.559     foxr     4361:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4362: 
                   4363: 
                   4364: 
1.464     albertel 4365:     my %size;
                   4366:     ($size{'width_and_units'},
                   4367:      $size{'height_and_units'},
                   4368:      $size{'margin_and_units'})=
                   4369: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4370:     
1.464     albertel 4371:     foreach my $dimension ('width','height','margin') {
                   4372: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4373: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4374:        	
                   4375: 	foreach my $unit ('cm','in') {
                   4376: 	    $size{$dimension.'_options'} .= '<option ';
                   4377: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4378: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4379: 	    }
                   4380: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4381: 	}
1.438     foxr     4382:     }
                   4383: 
1.470     foxr     4384:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4385: 
                   4386:     if ($size{'margin_unit'} eq 'in') {
                   4387: 	$size{'margin'} += 1;
                   4388:     }  else {
                   4389: 	$size{'margin'} += 2.54;
                   4390:     }
1.548     bisitz   4391:     my %lt = &Apache::lonlocal::texthash(
                   4392:         'format' => 'How should each column be formatted?',
                   4393:         'width'  => 'Width',
                   4394:         'height' => 'Height',
                   4395:         'margin' => 'Left Margin'
                   4396:     );
                   4397: 
                   4398:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4399:               .&Apache::lonhtmlcommon::start_pick_box()
                   4400:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4401:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4402:               .'<select name="'.$var.'.widthunit">'
                   4403:               .$size{'width_options'}
                   4404:               .'</select>'
                   4405:               .&Apache::lonhtmlcommon::row_closure()
                   4406:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4407:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4408:               .'<select name="'.$var.'.heightunit">'
                   4409:               .$size{'height_options'}
                   4410:               .'</select>'
                   4411:               .&Apache::lonhtmlcommon::row_closure()
                   4412:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4413:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4414:               .'<select name="'.$var.'.lmarginunit">'
                   4415:               .$size{'margin_options'}
                   4416:               .'</select>'
                   4417:               .&Apache::lonhtmlcommon::row_closure(1)
                   4418:               .&Apache::lonhtmlcommon::end_pick_box();
                   4419:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4420:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4421: 
                   4422:     return $result;
                   4423: }
                   4424: 
1.470     foxr     4425: 
1.144     bowersj2 4426: sub preprocess {
                   4427:     my $self = shift;
                   4428:     my $helper = Apache::lonhelper::getHelper();
                   4429: 
                   4430:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4431: 
                   4432:     #  If the user does not have 'pav' privilege, set default widths and
                   4433:     #  on to the next state right away.
                   4434:     #
                   4435:     if (!$perm{'pav'}) {
                   4436: 	my $var = $self->{'variable'};
                   4437: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4438: 	
                   4439: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4440: 	($papersize)                      = split(/ /, $papersize);
                   4441: 	
                   4442: 	
1.560     foxr     4443: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4444: 
1.467     foxr     4445: 	#  Figure out some good defaults for the print out and set them:
                   4446: 	
                   4447: 	my %size;
                   4448: 	($size{'width'},
                   4449: 	 $size{'height'},
                   4450: 	 $size{'lmargin'})=
                   4451: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4452: 	
                   4453: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4454: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4455: 	    	    
1.467     foxr     4456: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4457: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4458: 	    
                   4459: 	}
                   4460: 	
                   4461: 
                   4462: 	# Transition to the next state
                   4463: 
                   4464: 	$helper->changeState($self->{NEXTSTATE});
                   4465:     }
1.144     bowersj2 4466:    
                   4467:     return 1;
                   4468: }
                   4469: 
                   4470: sub postprocess {
                   4471:     my $self = shift;
                   4472: 
                   4473:     my $var = $self->{'variable'};
                   4474:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4475:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4476:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4477:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4478:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4479:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4480:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4481: 
                   4482:     my $error = '';
                   4483: 
                   4484:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4485:     # by an optional period, followed by digits, ending the string
                   4486: 
1.464     albertel 4487:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4488:         $error .= "Invalid width; please type only a number.<br />\n";
                   4489:     }
1.464     albertel 4490:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4491:         $error .= "Invalid height; please type only a number.<br />\n";
                   4492:     }
1.464     albertel 4493:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4494:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4495:     } else {
                   4496: 	# Adjust for LaTeX 1.0 inch margin:
                   4497: 
                   4498: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4499: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4500: 	} else {
                   4501: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4502: 	}
1.144     bowersj2 4503:     }
                   4504: 
                   4505:     if (!$error) {
                   4506:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4507:         return 1;
                   4508:     } else {
                   4509:         $self->{ERROR_MSG} = $error;
                   4510:         return 0;
                   4511:     }
                   4512: }
                   4513: 
                   4514: 
1.119     bowersj2 4515: 
1.1       www      4516: __END__
1.6       sakharuk 4517: 

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>