Annotation of loncom/interface/lonprintout.pm, revision 1.584

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.584   ! 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 $result;
1.486     foxr      501: }
                    502: 
1.454     foxr      503: 
                    504: # Format a header according to a format.  
                    505: # 
                    506: 
                    507: # Substitutions:
                    508: #     %a    - Assignment name.
                    509: #     %c    - Course name.
                    510: #     %n    - Student name.
1.537     foxr      511: #     %s    - The section if it is supplied.
1.454     foxr      512: #
                    513: sub format_page_header {
1.537     foxr      514:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    515: 
1.565     foxr      516: 
                    517: 
1.486     foxr      518:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      519:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    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: 
1.537     foxr      535: 	
                    536: 
                    537: 	my $name_length    = int($chars_per_line *3 /4);
                    538: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      539: 
1.537     foxr      540: 	$format  = "%$name_length".'n';
1.486     foxr      541: 
1.537     foxr      542: 	if ($section) {
                    543: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      544: 	}
1.489     foxr      545: 
1.537     foxr      546: 	$format .= '\\\\%c \\\\ %a';
                    547:         
1.490     foxr      548: 
1.454     foxr      549:     }
1.537     foxr      550:     # An open question is how to handle long user formatted page headers...
                    551:     # A possible future is to support e.g. %na so that the user can control
                    552:     # the truncation of the elements that can appear in the header.
                    553:     #
                    554:     $format =  &printf_style_subst("a", $format, $assignment);
                    555:     $format =  &printf_style_subst("c", $format, $course);
                    556:     $format =  &printf_style_subst("n", $format, $student);
                    557:     $format =  &printf_style_subst("s", $format, $section);
                    558:     
                    559:     
                    560:     # If the user put %'s in the format string, they  must be escaped
                    561:     # to \% else LaTeX will think they are comments and terminate
                    562:     # the line.. which is bad!!!
                    563:     
1.538     onken     564:     # If the user has role author, $course and $assignment are empty so
                    565:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    566:     if($format =~ /\\\\\s\\\\\s/) {
                    567:         #TODO find sensible caption for page header
                    568:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    569:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    570:     }
1.565     foxr      571:     #
                    572:     #  We're going to trust LaTeX to break lines appropriately, but
                    573:     #  we'll truncate anything that's more than 3 lines worth of
                    574:     # text.  This is also assuming (which will probably end badly)
                    575:     # nobody's going to embed LaTeX control sequences in the title
                    576:     # header or rather that those control sequences won't get broken
                    577:     # by the stuff below.
                    578:     #
                    579:     my $total_length = 3*$chars_per_line;
                    580:     if (length($format) > $total_length) {
                    581: 	$format = substr($format, 0, $total_length);
                    582:     }
                    583: 
1.454     foxr      584: 
                    585:     return $format;
                    586:     
                    587: }
1.397     albertel  588: 
1.385     foxr      589: #
                    590: #   Convert a numeric code to letters
                    591: #
                    592: sub num_to_letters {
                    593:     my ($num) = @_;
                    594:     my @nums= split('',$num);
                    595:     my @num_to_let=('A'..'Z');
                    596:     my $word;
                    597:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    598:     return $word;
                    599: }
                    600: #   Convert a letter code to numeric.
                    601: #
                    602: sub letters_to_num {
                    603:     my ($letters) = @_;
                    604:     my @letters = split('', uc($letters));
1.490     foxr      605:    my %substitution;
1.385     foxr      606:     my $digit = 0;
                    607:     foreach my $letter ('A'..'J') {
                    608: 	$substitution{$letter} = $digit;
                    609: 	$digit++;
                    610:     }
                    611:     #  The substitution is done as below to preserve leading
                    612:     #  zeroes which are needed to keep the code size exact
                    613:     #
                    614:     my $result ="";
                    615:     foreach my $letter (@letters) {
                    616: 	$result.=$substitution{$letter};
                    617:     }
                    618:     return $result;
                    619: }
                    620: 
1.383     foxr      621: #  Determine if a code is a valid numeric code.  Valid
                    622: #  numeric codes must be comprised entirely of digits and
1.384     albertel  623: #  have a correct number of digits.
1.383     foxr      624: #
                    625: #  Parameters:
                    626: #     value      - proposed code value.
1.384     albertel  627: #     num_digits - Number of digits required.
1.383     foxr      628: #
                    629: sub is_valid_numeric_code {
1.384     albertel  630:     my ($value, $num_digits) = @_;
1.383     foxr      631:     #   Remove leading/trailing whitespace;
1.387     foxr      632:     $value =~ s/^\s*//g;
                    633:     $value =~ s/\s*$//g;
1.383     foxr      634:     
                    635:     #  All digits?
1.387     foxr      636:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      637: 	return "Numeric code $value has invalid characters - must only be digits";
                    638:     }
1.384     albertel  639:     if (length($value) != $num_digits) {
                    640: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    641:     }
1.385     foxr      642:     return undef;
1.383     foxr      643: }
                    644: #   Determines if a code is a valid alhpa code.  Alpha codes
                    645: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  646: #   They also have a correct digit count.
1.383     foxr      647: # Parameters:
                    648: #     value          - Proposed code value.
1.384     albertel  649: #     num_letters    - correct number of letters.
1.383     foxr      650: # Note:
                    651: #    leading and trailing whitespace are ignored.
                    652: #
                    653: sub is_valid_alpha_code {
1.384     albertel  654:     my ($value, $num_letters) = @_;
1.383     foxr      655:     
                    656:      # strip leading and trailing spaces.
                    657: 
                    658:     $value =~ s/^\s*//g;
                    659:     $value =~ s/\s*$//g;
                    660: 
                    661:     #  All alphas in the right range?
1.384     albertel  662:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      663: 	return "Invalid letter code $value must only contain A-J";
                    664:     }
1.384     albertel  665:     if (length($value) != $num_letters) {
                    666: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    667:     }
1.385     foxr      668:     return undef;
1.383     foxr      669: }
                    670: 
1.382     foxr      671: #   Determine if a code entered by the user in a helper is valid.
                    672: #   valid depends on the code type and the type of code selected.
                    673: #   The type of code selected can either be numeric or 
                    674: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    675: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    676: #   We'll be nice and be case insensitive for alpha codes.
                    677: # Parameters:
                    678: #    code_value    - the value of the code the user typed in.
                    679: #    code_option   - The code type selected from the set in the scantron format
                    680: #                    table.
                    681: # Returns:
                    682: #    undef         - The code is valid.
                    683: #    other         - An error message indicating what's wrong.
                    684: #
                    685: sub is_code_valid {
                    686:     my ($code_value, $code_option) = @_;
1.383     foxr      687:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   688:     my @lines = &Apache::grades::get_scantronformat_file();
                    689:     foreach my $line (@lines) {
1.383     foxr      690: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    691: 	if($name eq $code_option) {
                    692: 	    $code_length = $length;
                    693: 	    if($type eq 'number') {
                    694: 		$code_type = 'number';
                    695: 	    }
                    696: 	}
                    697:     }
                    698:     my $valid;
                    699:     if ($code_type eq 'number') {
1.385     foxr      700: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      701:     } else {
1.385     foxr      702: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      703:     }
1.382     foxr      704: 
                    705: }
                    706: 
1.341     foxr      707: #   Compare two students by name.  The students are in the form
                    708: #   returned by the helper:
                    709: #      user:domain:section:last,   first:status
                    710: #   This is a helper function for the perl sort built-in  therefore:
                    711: # Implicit Inputs:
                    712: #    $a     - The first element to compare (global)
                    713: #    $b     - The second element to compare (global)
                    714: # Returns:
                    715: #   -1   - $a < $b
                    716: #    0   - $a == $b
                    717: #   +1   - $a > $b
                    718: #   Note that the initial comparison is done on the last names with the
                    719: #   first names only used to break the tie.
                    720: #
                    721: #
                    722: sub compare_names {
                    723:     #  First split the names up into the primary fields.
                    724: 
                    725:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    726:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    727: 
                    728:     # Now split the last name and first name of each n:
                    729:     #
                    730: 
                    731:     my ($l1,$f1) = split(/,/, $n1);
                    732:     my ($l2,$f2) = split(/,/, $n2);
                    733: 
                    734:     # We don't bother to remove the leading/trailing whitespace from the
                    735:     # firstname, unless the last names compare identical.
                    736: 
                    737:     if($l1 lt $l2) {
                    738: 	return -1;
                    739:     }
                    740:     if($l1 gt $l2) {
                    741: 	return  1;
                    742:     }
                    743: 
                    744:     # Break the tie on the first name, but there are leading (possibly trailing
                    745:     # whitespaces to get rid of first 
                    746:     #
                    747:     $f1 =~ s/^\s+//;		# Remove leading...
                    748:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    749:     
                    750:     $f2 =~ s/^\s+//;
                    751:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    752: 
                    753:     if($f1 lt $f2) {
                    754: 	return -1;
                    755:     }
                    756:     if($f1 gt $f2) {
                    757: 	return 1;
                    758:     }
                    759:     
                    760:     #  Must be the same name.
                    761: 
                    762:     return 0;
                    763: }
                    764: 
1.71      sakharuk  765: sub latex_header_footer_remove {
                    766:     my $text = shift;
                    767:     $text =~ s/\\end{document}//;
                    768:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    769:     return $text;
                    770: }
1.423     foxr      771: #
                    772: #  If necessary, encapsulate text inside 
                    773: #  a minipage env.
                    774: #  necessity is determined by the problem_split param.
                    775: #
                    776: sub encapsulate_minipage {
                    777:     my ($text) = @_;
1.427     albertel  778:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      779: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    780:     }
                    781:     return $text;
                    782: }
1.429     foxr      783: #
                    784: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    785: #  variables interact, this sub looks at these two parameters
                    786: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    787: #     all     - if SPLIT_PDFS eq 'all'.
                    788: #     1       - if SPLIT_PDFS eq 'oneper'
                    789: #     section - if SPLIT_PDFS eq 'sections'
                    790: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    791: #
                    792: sub adjust_number_to_print {
                    793:     my $helper = shift;
1.71      sakharuk  794: 
1.429     foxr      795:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    796:     
                    797:     if ($split_pdf eq 'all') {
                    798: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    799:     } elsif ($split_pdf eq 'oneper') {
                    800: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    801:     } elsif ($split_pdf eq 'sections') {
                    802: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    803:     } elsif ($split_pdf eq 'usenumber') {
                    804: 	#  Unmodified.
                    805:     } else {
                    806: 	# Error!!!!
1.536     foxr      807: 	
                    808: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      809: 
                    810:     }
                    811: }
1.71      sakharuk  812: 
1.531     foxr      813: 
1.37      sakharuk  814: sub character_chart {
1.531     foxr      815:     my $result = shift;
                    816:     return  &Apache::entities::replace_entities($result);
                    817: }
                    818: 
                    819: sub old_character_chart {
1.37      sakharuk  820:     my $result = shift;	
1.116     sakharuk  821:     $result =~ s/&\#0?0?(7|9);//g;
                    822:     $result =~ s/&\#0?(10|13);//g;
                    823:     $result =~ s/&\#0?32;/ /g;
                    824:     $result =~ s/&\#0?33;/!/g;
                    825:     $result =~ s/&(\#0?34|quot);/\"/g;
                    826:     $result =~ s/&\#0?35;/\\\#/g;
                    827:     $result =~ s/&\#0?36;/\\\$/g;
                    828:     $result =~ s/&\#0?37;/\\%/g; 
                    829:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    830:     $result =~ s/&\#(0?39|146);/\'/g;
                    831:     $result =~ s/&\#0?40;/(/g;
                    832:     $result =~ s/&\#0?41;/)/g;
                    833:     $result =~ s/&\#0?42;/\*/g;
                    834:     $result =~ s/&\#0?43;/\+/g;
                    835:     $result =~ s/&\#(0?44|130);/,/g;
                    836:     $result =~ s/&\#0?45;/-/g;
                    837:     $result =~ s/&\#0?46;/\./g;
                    838:     $result =~ s/&\#0?47;/\//g;
                    839:     $result =~ s/&\#0?48;/0/g;
                    840:     $result =~ s/&\#0?49;/1/g;
                    841:     $result =~ s/&\#0?50;/2/g;
                    842:     $result =~ s/&\#0?51;/3/g;
                    843:     $result =~ s/&\#0?52;/4/g;
                    844:     $result =~ s/&\#0?53;/5/g;
                    845:     $result =~ s/&\#0?54;/6/g;
                    846:     $result =~ s/&\#0?55;/7/g;
                    847:     $result =~ s/&\#0?56;/8/g;
                    848:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  849:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  850:     $result =~ s/&\#0?59;/;/g;
                    851:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  852:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    853:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  854:     $result =~ s/&\#0?63;/\?/g;
                    855:     $result =~ s/&\#0?65;/A/g;
                    856:     $result =~ s/&\#0?66;/B/g;
                    857:     $result =~ s/&\#0?67;/C/g;
                    858:     $result =~ s/&\#0?68;/D/g;
                    859:     $result =~ s/&\#0?69;/E/g;
                    860:     $result =~ s/&\#0?70;/F/g;
                    861:     $result =~ s/&\#0?71;/G/g;
                    862:     $result =~ s/&\#0?72;/H/g;
                    863:     $result =~ s/&\#0?73;/I/g;
                    864:     $result =~ s/&\#0?74;/J/g;
                    865:     $result =~ s/&\#0?75;/K/g;
                    866:     $result =~ s/&\#0?76;/L/g;
                    867:     $result =~ s/&\#0?77;/M/g;
                    868:     $result =~ s/&\#0?78;/N/g;
                    869:     $result =~ s/&\#0?79;/O/g;
                    870:     $result =~ s/&\#0?80;/P/g;
                    871:     $result =~ s/&\#0?81;/Q/g;
                    872:     $result =~ s/&\#0?82;/R/g;
                    873:     $result =~ s/&\#0?83;/S/g;
                    874:     $result =~ s/&\#0?84;/T/g;
                    875:     $result =~ s/&\#0?85;/U/g;
                    876:     $result =~ s/&\#0?86;/V/g;
                    877:     $result =~ s/&\#0?87;/W/g;
                    878:     $result =~ s/&\#0?88;/X/g;
                    879:     $result =~ s/&\#0?89;/Y/g;
                    880:     $result =~ s/&\#0?90;/Z/g;
                    881:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  882:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  883:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  884:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  885:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    886:     $result =~ s/&\#(0?96|145);/\`/g;
                    887:     $result =~ s/&\#0?97;/a/g;
                    888:     $result =~ s/&\#0?98;/b/g;
                    889:     $result =~ s/&\#0?99;/c/g;
                    890:     $result =~ s/&\#100;/d/g;
                    891:     $result =~ s/&\#101;/e/g;
                    892:     $result =~ s/&\#102;/f/g;
                    893:     $result =~ s/&\#103;/g/g;
                    894:     $result =~ s/&\#104;/h/g;
                    895:     $result =~ s/&\#105;/i/g;
                    896:     $result =~ s/&\#106;/j/g;
                    897:     $result =~ s/&\#107;/k/g;
                    898:     $result =~ s/&\#108;/l/g;
                    899:     $result =~ s/&\#109;/m/g;
                    900:     $result =~ s/&\#110;/n/g;
                    901:     $result =~ s/&\#111;/o/g;
                    902:     $result =~ s/&\#112;/p/g;
                    903:     $result =~ s/&\#113;/q/g;
                    904:     $result =~ s/&\#114;/r/g;
                    905:     $result =~ s/&\#115;/s/g;
                    906:     $result =~ s/&\#116;/t/g;
                    907:     $result =~ s/&\#117;/u/g;
                    908:     $result =~ s/&\#118;/v/g;
                    909:     $result =~ s/&\#119;/w/g;
                    910:     $result =~ s/&\#120;/x/g;
                    911:     $result =~ s/&\#121;/y/g;
                    912:     $result =~ s/&\#122;/z/g;
                    913:     $result =~ s/&\#123;/\\{/g;
                    914:     $result =~ s/&\#124;/\|/g;
                    915:     $result =~ s/&\#125;/\\}/g;
                    916:     $result =~ s/&\#126;/\~/g;
                    917:     $result =~ s/&\#131;/\\textflorin /g;
                    918:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  919:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    920:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    921:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  922:     $result =~ s/&\#137;/\\textperthousand /g;
                    923:     $result =~ s/&\#140;/{\\OE}/g;
                    924:     $result =~ s/&\#147;/\`\`/g;
                    925:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  926:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  927:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  928:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  929:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  930:     $result =~ s/&\#153;/\\texttrademark /g;
                    931:     $result =~ s/&\#156;/\\oe/g;
                    932:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  933:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  934:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    935:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    936:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    937:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    938:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    939:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    940:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      941:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  942:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    943:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  944:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  945:     $result =~ s/&(\#173|shy);/ - /g;
                    946:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  947:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    948:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    949:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    950:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    951:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      952:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  953:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  954:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  955:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  956:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  957:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  958:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    959:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    960:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    961:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    962:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    963:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    964:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    965:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    966:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    967:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    968:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    969:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    970:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    971:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    972:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    973:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    974:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    975:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    976:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    977:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    978:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    979:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    980:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    981:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    982:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    983:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    984:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  985:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  986:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    987:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    988:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    989:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    990:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    991:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  992:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  993:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    994:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    995:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    996:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    997:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    998:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    999:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1000:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1001:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1002:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1003:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1004:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1005:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1006:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1007:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1008:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1009:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1010:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1011:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1012:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1013:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1014:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1015:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1016:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1017:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1018:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1019:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1020:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1021:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1022:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1023:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1024:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1025:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1026: #Greek Alphabet
1.281     sakharuk 1027:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1028:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1029:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1030:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1031:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1032:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1033:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1034:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1035:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1036:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1037:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1038:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1039:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1040:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1041:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1042:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1043:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1044:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1045:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1046:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1047:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1048:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1049:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1050:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1051:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1052:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Alpha|\#913);/A/g;
                   1054:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1055:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1056:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1057:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1058:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1059:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1060:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1061:     $result =~ s/&(Iota|\#921);/I/g;
                   1062:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1063:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1064:     $result =~ s/&(Mu|\#924);/M/g;
                   1065:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1066:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1067:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1068:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1069:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1070:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1071:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1072:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1073:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1074:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1075:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1076:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1077: #Arrows (extended HTML 4.01)
1.281     sakharuk 1078:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1079:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1080:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1081:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1082:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1083:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1084:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1085:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1086:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1087:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1088: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1089:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1090:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1091:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1092:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1093:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1094:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1095:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1096:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1097:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1098:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1099:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1100:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1101:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1102:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1103:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1104:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1105:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1106:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1107:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1108:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1109:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1110:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1111:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1112:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1113:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1114:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1115:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1116:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1117:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1118:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1119:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1120:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1121:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1122:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1123:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1124:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1125:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1126:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1127: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1128:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1129: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1130:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1131:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1132:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1133:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1134: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1135: 
1.495     foxr     1136:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1137:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1138:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1139:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1140:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1141:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1142:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1143:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1144:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1145:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1146:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1147:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1148:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1149: 
                   1150:     # Left/right quotations:
                   1151: 
                   1152:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1153:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1154: 
                   1155: 
1.559     foxr     1156: 
1.37      sakharuk 1157:     return $result;
                   1158: }
1.41      sakharuk 1159: 
                   1160: 
1.327     albertel 1161:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1162: my %page_formats=
                   1163:     ('letter' => {
                   1164: 	 'book' => {
1.493     foxr     1165: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1166: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1167: 	 },
                   1168: 	 'album' => {
1.496     foxr     1169: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1170: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1171: 	 },
                   1172:      },
                   1173:      'legal' => {
                   1174: 	 'book' => {
                   1175: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1176: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1177: 	 },
                   1178: 	 'album' => {
1.376     albertel 1179: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1180:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1181:           },
                   1182:      },
                   1183:      'tabloid' => {
                   1184: 	 'book' => {
                   1185: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1186: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1187: 	 },
                   1188: 	 'album' => {
1.376     albertel 1189: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1190: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1191:           },
                   1192:      },
                   1193:      'executive' => {
                   1194: 	 'book' => {
                   1195: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1196: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1197: 	 },
                   1198: 	 'album' => {
                   1199: 	     '1' => [],
                   1200: 	     '2' => []
                   1201:           },
                   1202:      },
                   1203:      'a2' => {
                   1204: 	 'book' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207: 	 },
                   1208: 	 'album' => {
                   1209: 	     '1' => [],
                   1210: 	     '2' => []
                   1211:           },
                   1212:      },
                   1213:      'a3' => {
                   1214: 	 'book' => {
                   1215: 	     '1' => [],
                   1216: 	     '2' => []
                   1217: 	 },
                   1218: 	 'album' => {
                   1219: 	     '1' => [],
                   1220: 	     '2' => []
                   1221:           },
                   1222:      },
                   1223:      'a4' => {
                   1224: 	 'book' => {
1.493     foxr     1225: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1226: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1227: 	 },
                   1228: 	 'album' => {
1.496     foxr     1229: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1230: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1231: 	 },
                   1232:      },
                   1233:      'a5' => {
                   1234: 	 'book' => {
                   1235: 	     '1' => [],
                   1236: 	     '2' => []
                   1237: 	 },
                   1238: 	 'album' => {
                   1239: 	     '1' => [],
                   1240: 	     '2' => []
                   1241:           },
                   1242:      },
                   1243:      'a6' => {
                   1244: 	 'book' => {
                   1245: 	     '1' => [],
                   1246: 	     '2' => []
                   1247: 	 },
                   1248: 	 'album' => {
                   1249: 	     '1' => [],
                   1250: 	     '2' => []
                   1251:           },
                   1252:      },
                   1253:      );
                   1254: 
1.177     sakharuk 1255: sub page_format {
1.140     sakharuk 1256: #
1.326     sakharuk 1257: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1258: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1259: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1260: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1261: #                        "A6 [105x148 mm]"
1.140     sakharuk 1262: # 
                   1263:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1264:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1265: }
1.76      sakharuk 1266: 
                   1267: 
1.126     albertel 1268: sub get_name {
                   1269:     my ($uname,$udom)=@_;
1.373     albertel 1270:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1271:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1272:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1273:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1274:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1275:     return $plainname;
1.126     albertel 1276: }
                   1277: 
1.213     albertel 1278: sub get_course {
                   1279:     my $courseidinfo;
1.373     albertel 1280:     if (defined($env{'request.course.id'})) {
1.439     www      1281: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1282: 	my $sec = $env{'request.course.sec'};
                   1283: 	    
1.213     albertel 1284:     }
                   1285:     return $courseidinfo;
                   1286: }
1.177     sakharuk 1287: 
1.76      sakharuk 1288: sub page_format_transformation {
1.312     sakharuk 1289:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1290:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1291: 
1.312     sakharuk 1292:     if ($selectionmade eq '4') {
1.502     foxr     1293: 	if ($choice eq 'all_problems') {
1.561     bisitz   1294:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1295: 	} else {
1.561     bisitz   1296:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1297: 	}
1.312     sakharuk 1298:     } else {
                   1299: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1300:     }
1.261     sakharuk 1301:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1302: 
                   1303: 
1.126     albertel 1304:     my $name = &get_name();
1.213     albertel 1305:     my $courseidinfo = &get_course();
1.455     albertel 1306:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1307:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1308: 					   $courseidinfo, $name);
1.319     sakharuk 1309:     my $topmargintoinsert = '';
                   1310:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1311:     my $fancypagestatement='';
                   1312:     if ($numberofcolumns eq '2') {
1.455     albertel 1313: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1314:     } else {
1.455     albertel 1315: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1316:     }
1.140     sakharuk 1317:     if ($layout eq 'album') {
1.550     foxr     1318: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1319:     } elsif ($layout eq 'book') {
                   1320: 	if ($choice ne 'All class print') { 
1.550     foxr     1321: 	    $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 1322: 	} else {
1.550     foxr     1323: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1324: 	}
1.326     sakharuk 1325: 	if ($papersize eq 'a4') {
1.575     foxr     1326: 	    my $papersize_text;
                   1327: 	    if ($perm{'pav'}) {
                   1328: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1329: 	    } else {
                   1330: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1331: 	    }
                   1332: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1333: 	}
                   1334:     }
1.214     sakharuk 1335:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1336:     if ($indexlist eq 'yes') {
                   1337: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1338: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1339:     }
1.140     sakharuk 1340:     return $text;
                   1341: }
                   1342: 
                   1343: 
1.33      sakharuk 1344: sub page_cleanup {
                   1345:     my $result = shift;	
1.65      sakharuk 1346:  
                   1347:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1348:     my $number_of_columns = $1;
1.33      sakharuk 1349:     my $insert = '{';
1.34      sakharuk 1350:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1351:     $insert .= '}';
1.65      sakharuk 1352:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1353:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1354:     return $result,$number_of_columns;
1.7       sakharuk 1355: }
1.5       sakharuk 1356: 
1.3       sakharuk 1357: 
1.60      sakharuk 1358: sub details_for_menu {
1.335     albertel 1359:     my ($helper)=@_;
1.373     albertel 1360:     my $postdata=$env{'form.postdata'};
1.335     albertel 1361:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1362:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1363:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1364:     return if ( $symbolic eq '');
                   1365: 
1.233     www      1366:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1367:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1368:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1369:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1370: 	$map =~ m|([^/]+)$|;
                   1371: 	$name_of_sequence = $1;
1.63      albertel 1372:     }
1.373     albertel 1373:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1374:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1375: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1376: 	$name_of_map = $1;
                   1377:     }
1.335     albertel 1378:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1379: }
                   1380: 
1.476     albertel 1381: sub copyright_line {
                   1382:     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 } ';
                   1383: }
                   1384: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1385: 
                   1386: sub latex_corrections {
1.408     albertel 1387:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1388: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1389:     my $copyright = &copyright_line();
1.408     albertel 1390:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1391: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1392:     } else {
1.476     albertel 1393: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1394:     }
1.476     albertel 1395:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1396:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1397:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1398: #-- LaTeX corrections     
                   1399:     my $first_comment = index($result,'<!--',0);
                   1400:     while ($first_comment != -1) {
                   1401: 	my $end_comment = index($result,'-->',$first_comment);
                   1402: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1403: 	$first_comment = index($result,'<!--',$first_comment);
                   1404:     }
                   1405:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1406:     #removes more than one empty space
                   1407:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1408:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1409:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1410:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1411:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1412:     #conversion of html characters to LaTeX equivalents
                   1413:     if ($result =~ m/&(\w+|#\d+);/) {
                   1414: 	$result = &character_chart($result);
                   1415:     }
                   1416:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1417:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1418:     return $result;
1.60      sakharuk 1419: }
                   1420: 
1.3       sakharuk 1421: 
1.214     sakharuk 1422: sub index_table {
                   1423:     my $currentURL = shift;
                   1424:     my $insex_string='';
                   1425:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1426:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1427:     return $insex_string;
                   1428: }
                   1429: 
                   1430: 
1.215     sakharuk 1431: sub IndexCreation {
                   1432:     my ($texversion,$currentURL)=@_;
                   1433:     my @key_words=split(/,/,&index_table($currentURL));
                   1434:     my $chunk='';
                   1435:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1436:     if ($st>0) {
                   1437: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1438: 	$chunk=substr($texversion,0,$st+1);
                   1439: 	substr($texversion,0,$st+1)=' ';
                   1440:     }
                   1441:     foreach my $key_word (@key_words) {
                   1442: 	if ($key_word=~/\S+/) {
                   1443: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1444: 	}
                   1445:     }			
                   1446:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1447:     return $texversion;
                   1448: }
                   1449: 
1.242     sakharuk 1450: sub print_latex_header {
                   1451:     my $mode=shift;
1.550     foxr     1452: 
                   1453:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1454: }
                   1455: 
                   1456: sub path_to_problem {
1.328     albertel 1457:     my ($urlp,$colwidth)=@_;
1.404     albertel 1458:     $urlp=&Apache::lonnet::clutter($urlp);
                   1459: 
1.242     sakharuk 1460:     my $newurlp = '';
1.328     albertel 1461:     $colwidth=~s/\s*mm\s*$//;
                   1462: #characters average about 2 mm in width
1.360     albertel 1463:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1464: 	my @elements = split('/',$urlp);
1.328     albertel 1465: 	my $curlength=0;
                   1466: 	foreach my $element (@elements) {
1.404     albertel 1467: 	    if ($element eq '') { next; }
1.328     albertel 1468: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1469: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1470: 		$curlength=length($element)*2;
1.328     albertel 1471: 	    } else {
                   1472: 		$curlength+=length($element)*2;
1.242     sakharuk 1473: 	    }
1.328     albertel 1474: 	    $newurlp.='/'.$element;
1.242     sakharuk 1475: 	}
1.253     sakharuk 1476:     } else {
                   1477: 	$newurlp=$urlp;
1.242     sakharuk 1478:     }
                   1479:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1480: }
1.215     sakharuk 1481: 
1.275     sakharuk 1482: sub recalcto_mm {
                   1483:     my $textwidth=shift;
                   1484:     my $LaTeXwidth;
1.339     albertel 1485:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1486: 	$LaTeXwidth = $1*10;
1.339     albertel 1487:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1488: 	$LaTeXwidth = $1;
1.339     albertel 1489:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1490: 	$LaTeXwidth = $1*25.4;
                   1491:     }
                   1492:     $LaTeXwidth.=' mm';
                   1493:     return $LaTeXwidth;
                   1494: }
                   1495: 
1.285     albertel 1496: sub get_textwidth {
                   1497:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1498:     my $textwidth=$LaTeXwidth;
1.285     albertel 1499:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1500: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1501: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1502: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1503:     }
1.286     albertel 1504:     return $textwidth;
1.285     albertel 1505: }
                   1506: 
1.296     sakharuk 1507: 
                   1508: sub unsupported {
1.414     albertel 1509:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1510:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1511:     my $result.= &print_latex_header($mode);
1.414     albertel 1512:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1513: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1514: 	my $title=&Apache::lonnet::gettitle($symb);
                   1515: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1516: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1517:     } else {
                   1518: 	$result.=$currentURL;
                   1519:     }
1.419     albertel 1520:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1521:     return $result;
                   1522: }
                   1523: 
1.559     foxr     1524: #
                   1525: #  Map from helper layout style to the book/album:
                   1526: #
                   1527: sub map_laystyle {
                   1528:     my ($laystyle) = @_;
                   1529:     if ($laystyle eq 'L') {
                   1530: 	$laystyle='album';
                   1531:     } else {
                   1532: 	$laystyle='book';
                   1533:     }
                   1534:     return $laystyle;
                   1535: }
                   1536: 
                   1537: sub print_page_in_course {
                   1538:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1539:     my %parmhash       = %$rparmhash;
                   1540:     my @page_resources = @$resources;
                   1541:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1542:     my $symb = $helper->{'VARS'}->{'symb'};
                   1543: 
                   1544: 
                   1545:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1546: 
                   1547: 
                   1548:     my @temporary_array=split /\|/,$format_from_helper;
                   1549:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1550:     $laystyle = &map_laystyle($laystyle);
                   1551:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1552: 								      $numberofcolumns);
                   1553:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1554: 
                   1555: 
                   1556:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1557:     my $result   =    &print_latex_header($mode);
1.559     foxr     1558:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1559: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1560: 	my $title=&Apache::lonnet::gettitle($symb);
                   1561: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1562:     } else {
1.582     raeburn  1563:         my $esc_currentURL= $currentURL;
                   1564:         $esc_currentURL =~ s/_/\\_/g;
                   1565: 	$result.=$esc_currentURL;
1.559     foxr     1566:     }
                   1567:     $result .= '\\\\';
                   1568: 
                   1569:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1570: 	&Apache::lonnet::appenv({'construct.style' =>
                   1571: 				$helper->{'VARS'}->{'style_file'}});
                   1572:     } elsif ($env{'construct.style'}) {
                   1573: 	&Apache::lonnet::delenv('construct.style');
                   1574:     }
                   1575: 
                   1576:     # First is the overall page description.  This is then followed by the 
                   1577:     # components of the page. Each of which must be printed independently.
1.564     foxr     1578:     my $the_page = shift(@page_resources); 
1.559     foxr     1579: 
                   1580: 
                   1581:     foreach my $resource (@page_resources) {
                   1582: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1583: 	$result           .= $resource->title() . '\\\\';
                   1584: 
                   1585: 	# Recurse if a .page:
                   1586: 
                   1587: 	if ($resource_src =~ /.page$/i) {
                   1588: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1589: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1590: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1591: 						       $resource_src, \@page_resources);
                   1592: 	}
                   1593: 	# these resources go through the XML transformer:
                   1594: 
1.582     raeburn  1595: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {		
1.559     foxr     1596: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1597: 	    my %form;
                   1598: 	    my %moreenv;
                   1599: 
                   1600: 	    &Apache::lonxml::remember_problem_counter();
                   1601: 	    $moreenv{'request.filename'}=$urlp;
                   1602: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1603: 
                   1604: 	    $form{'grade_target'}  = 'tex';
                   1605: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  1606: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     1607: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1608: 	    
                   1609: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1610: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1611: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1612: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1613: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1614: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1615: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1616: 		$form{'problem_split'}='yes';
                   1617: 	    }
                   1618: 	    my $rndseed = time;
                   1619: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1620: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1621: 	    }
                   1622: 	    $form{'rndseed'}=$rndseed;
                   1623: 	    &Apache::lonnet::appenv(\%moreenv);
                   1624: 	    
                   1625: 	    &Apache::lonxml::clear_problem_counter();
                   1626: 
                   1627: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1628: 
                   1629: 
                   1630: 	    # current document with answers.. no need to encap in minipage
                   1631: 	    #  since there's only one answer.
                   1632: 
                   1633: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1634: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1635: 		my %answerform = %form;
                   1636: 
                   1637: 
                   1638: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1639: 		$answerform{'grade_target'}='answer';
                   1640: 		$answerform{'answer_output_mode'}='tex';
                   1641: 		$answerform{'rndseed'}=$rndseed;
                   1642:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1643: 		    $answerform{'problemtype'}='exam';
                   1644: 		}
                   1645: 		$resources_printed .= $urlp.':';
                   1646: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1647: 
                   1648: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1649: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1650: 		} else {
1.562     foxr     1651: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1652: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1653: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1654: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1655: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1656: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1657: 		    } else {
                   1658: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1659: 			my $URLpath=$urlp;
                   1660: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1661: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1662: 		    }
                   1663: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1664: 		}
                   1665: 
                   1666: 
                   1667: 		
                   1668: 
                   1669: 	    
                   1670: 	    }
                   1671: 	    # Print annotations.
                   1672: 
                   1673: 
                   1674: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1675: 		my $annotation .= &annotate($currentURL);
                   1676: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1677: 	    }
                   1678: 	    
                   1679: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1680: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1681: 	    }
                   1682: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1683: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1684: 
                   1685: 	    }
1.562     foxr     1686: 	    $texversion = &latex_header_footer_remove($texversion);
                   1687: 
                   1688: 	    # the first remaining line is a comment from londefdef the second
                   1689: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1690:             # (imperfect removal from header_footer_remove?
                   1691: 
                   1692: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1693: 
1.559     foxr     1694: 	    $result .= $texversion;
                   1695: 	    if ($currentURL=~m/\.page\s*$/) {
                   1696: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1697: 	    }
                   1698: 	}
                   1699:     }
                   1700: 
                   1701:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1702:     return $result;
                   1703: }
                   1704: 
1.296     sakharuk 1705: 
1.363     foxr     1706: #
1.395     www      1707: # List of recently generated print files
                   1708: #
                   1709: sub recently_generated {
1.584   ! raeburn  1710:     my ($prtspool) = @_;
        !          1711:     my $output;
1.400     albertel 1712:     my $zip_result;
                   1713:     my $pdf_result;
1.395     www      1714:     opendir(DIR,$prtspool);
1.400     albertel 1715: 
                   1716:     my @files = 
                   1717: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1718:     closedir(DIR);
1.400     albertel 1719: 
                   1720:     @files = sort {
                   1721: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1722: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1723: 	return $bctime <=> $actime;
                   1724:     } (@files);
                   1725: 
                   1726:     foreach my $filename (@files) {
                   1727: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1728: 	my ($cdev,$cino,$cmode,$cnlink,
                   1729: 	    $cuid,$cgid,$crdev,$csize,
                   1730: 	    $catime,$cmtime,$cctime,
                   1731: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1732:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1733: 	my $result=&Apache::loncommon::start_data_table_row()
                   1734:                   .'<td>'
                   1735:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1736:                   .'</td>'
                   1737:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1738:                   .'<td align="right">'.$csize.'</td>'
                   1739:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1740: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1741: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1742:     }
1.544     bisitz   1743:     if ($zip_result || $pdf_result) {
1.584   ! raeburn  1744:         $output ='<hr />';
1.544     bisitz   1745:     }
1.400     albertel 1746:     if ($zip_result) {
1.584   ! raeburn  1747: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   1748:                   .&Apache::loncommon::start_data_table()
                   1749:                   .&Apache::loncommon::start_data_table_header_row()
                   1750:                   .'<th>'.&mt('Download').'</th>'
                   1751:                   .'<th>'.&mt('Creation Date').'</th>'
                   1752:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1753:                   .&Apache::loncommon::end_data_table_header_row()
                   1754:                   .$zip_result
1.584   ! raeburn  1755:                   .&Apache::loncommon::end_data_table();
1.400     albertel 1756:     }
                   1757:     if ($pdf_result) {
1.584   ! raeburn  1758: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   1759:                   .&Apache::loncommon::start_data_table()
                   1760:                   .&Apache::loncommon::start_data_table_header_row()
                   1761:                   .'<th>'.&mt('Download').'</th>'
                   1762:                   .'<th>'.&mt('Creation Date').'</th>'
                   1763:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1764:                   .&Apache::loncommon::end_data_table_header_row()
                   1765:                   .$pdf_result
1.584   ! raeburn  1766:                   .&Apache::loncommon::end_data_table();
1.396     albertel 1767:     }
1.584   ! raeburn  1768:     return $output;
1.395     www      1769: }
                   1770: 
                   1771: #
1.363     foxr     1772: #   Retrieve the hash of page breaks.
                   1773: #
                   1774: #  Inputs:
                   1775: #    helper   - reference to helper object.
                   1776: #  Outputs
                   1777: #    A reference to a page break hash.
                   1778: #
                   1779: #
1.562     foxr     1780: # use Data::Dumper;
1.569     foxr     1781: # sub dump_helper_vars {
1.418     foxr     1782: #    my ($helper) = @_;
                   1783: #    my $helpervars = Dumper($helper->{'VARS'});
                   1784: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1785: #}
1.363     foxr     1786: 
1.481     albertel 1787: sub get_page_breaks  {
                   1788:     my ($helper) = @_;
                   1789:     my %page_breaks;
                   1790: 
                   1791:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1792: 	$page_breaks{$break} = 1;
                   1793:     }
                   1794:     return %page_breaks;
                   1795: }
1.569     foxr     1796: # 
                   1797: #   Returns text to insert for any extra vskip prior to the resource.
                   1798: #   Parameters:
                   1799: #     helper   - Reference to the helper object driving the printout.
                   1800: #     resource - Identifies the resource about to be printed.
                   1801: #
                   1802: #   This is done as follows:
                   1803: #    POSSIBLE_RESOURCES has the list of possible resources.
                   1804: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     1805: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   1806: #                       mm. All others are 'in'.
1.569     foxr     1807: #    
                   1808: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   1809: #    of the EXTRASPACE value.
                   1810: #
                   1811: #   In order to speed this up for lengthy printouts, the first time,
                   1812: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   1813: #   EXTRASPACE is turned into an array.
                   1814: #
                   1815: 
                   1816: 
                   1817: my %possible_resources;
1.570     foxr     1818: my %extraspace_mm;
1.569     foxr     1819: my @extraspace;
                   1820: my $skips_loaded       = 0;
                   1821: 
                   1822: #  Function to load the skips hash and array
                   1823: 
                   1824: sub load_skips {
                   1825: 
                   1826:     my ($helper)  = @_;
                   1827: 
                   1828:     #  If this is the first time, unrap the resources and extra spaces:
                   1829: 
                   1830:     if (!$skips_loaded) {
                   1831: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   1832: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   1833: 	my $i = 0;
                   1834: 	foreach my $resource (@resource_list) {
                   1835: 	    $possible_resources{$resource} = $i;
                   1836: 	    $i++;
                   1837: 	}
1.570     foxr     1838: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   1839: 	    $extraspace_mm{$mm_resource} = 1;
                   1840: 	}
1.569     foxr     1841: 	$skips_loaded = 1;
                   1842:     }
                   1843: }
                   1844: 
                   1845: sub get_extra_vspaces {
                   1846:     my ($helper, $resource) = @_;
                   1847: 
                   1848:     &load_skips($helper);
                   1849: 
                   1850:     #  Lookup the resource in the possible resources hash.. that is the index
                   1851:     # into the extraspace array that gives us either an empty string or
                   1852:     # the number of mm to skip:
                   1853: 
                   1854:     my $index = $possible_resources{$resource};
                   1855:     my $skip  = $extraspace[$index];
                   1856: 
                   1857:     my $result = '';
                   1858:     if ($skip ne '') {
1.570     foxr     1859: 	my $units = 'in';
                   1860: 	if (defined($extraspace_mm{$resource})) {
                   1861: 	    $units = 'mm';
                   1862: 	}
                   1863: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     1864:     }
1.570     foxr     1865: 
                   1866: 	
1.569     foxr     1867:     return $result;
                   1868: 
                   1869: 
                   1870: }
                   1871: 
                   1872: #
                   1873: #  The resource chooser part of the helper needs more than just
                   1874: #  the value of the extraspaces var to recover the value into a text
                   1875: #  field option.  This sub produces the required format for the saved var:
                   1876: #  specifically 
                   1877: #    ||| separated fields of the form resourcename=value
                   1878: #
                   1879: #  Parameters:
                   1880: #    $helper     - Refers to the helper we are configuring
                   1881: #  Implicit input:
                   1882: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   1883: #                                          value.
1.570     foxr     1884: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     1885: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   1886: #                                          separated of course.
                   1887: #  Implicit outputs:
1.570     foxr     1888: #     $env{'form.extraspace'}
                   1889: #     $env{'form.extraspace_units'}
1.569     foxr     1890: #
                   1891: sub set_form_extraspace {
                   1892:     my ($helper) = @_;
                   1893: 
                   1894:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   1895:     # may not be the fastest, but this is once per print request so it's not so
                   1896:     # speed critical:
                   1897: 
                   1898:     &load_skips($helper);
                   1899: 
                   1900:     my $result = '';
                   1901: 
                   1902:     foreach my $resource (keys(%possible_resources)) {
                   1903: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   1904: 	$result  .= $resource .'=' . $vskip . '|||';
                   1905:     }
                   1906: 
                   1907:     $env{'form.extraspace'}  = $result;
1.570     foxr     1908:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     1909:     return $result;
                   1910:     
                   1911: }
1.363     foxr     1912: 
1.459     foxr     1913: #  Output a sequence (recursively if neeed)
                   1914: #  from construction space.
                   1915: # Parameters:
                   1916: #    url     = URL of the sequence to print.
                   1917: #    helper  - Reference to the helper hash.
                   1918: #    form    - Copy of the format hash.
                   1919: #    LaTeXWidth
                   1920: # Returns:
                   1921: #   Text to add to the printout.
                   1922: #   NOTE if the first element of the outermost sequence
                   1923: #   is itself a sequence, the outermost caller may need to
                   1924: #   prefix the latex with the page headers stuff.
                   1925: #
                   1926: sub print_construction_sequence {
                   1927:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1928:     my $result;
                   1929:     my $rndseed=time;
                   1930:     if ($helper->{'VARS'}->{'curseed'}) {
                   1931: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1932:     }
1.491     albertel 1933:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1934:     # 
                   1935:     #  These make this all support recursing for subsequences.
                   1936:     #
1.491     albertel 1937:     my @order    = @LONCAPA::map::order;
                   1938:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1939:     for (my $member=0;$member<=$#order;$member++) {
                   1940: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1941: 	my $urlp=$2;
                   1942: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1943: 	    my $texversion='';
                   1944: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1945: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1946: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1947: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1948: 		$form{'rndseed'}=$rndseed;
                   1949: 		$resources_printed .=$urlp.':';
1.515     foxr     1950: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1951: 	    }
                   1952: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1953: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1954: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1955: 		#  Don't permanently modify %$form...
                   1956: 		my %answerform = %form;
                   1957: 		$answerform{'grade_target'}='answer';
                   1958: 		$answerform{'answer_output_mode'}='tex';
                   1959: 		$answerform{'rndseed'}=$rndseed;
                   1960: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1961: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1962: 		$resources_printed .= $urlp.':';
1.515     foxr     1963: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1964: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1965: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1966: 		} else {
                   1967: 		    # If necessary, encapsulate answer in minipage:
                   1968: 		    
                   1969: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1970: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1971: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1972: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1973: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1974: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1975: 		    $body = &encapsulate_minipage($body);
                   1976: 		    $texversion.=$body;
                   1977: 		}
                   1978: 	    }
                   1979: 	    $texversion = &latex_header_footer_remove($texversion);
                   1980: 
                   1981: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1982: 		$texversion=&IndexCreation($texversion,$urlp);
                   1983: 	    }
                   1984: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1985: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1986: 	    }
                   1987: 	    $result.=$texversion;
                   1988: 
                   1989: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1990:  
1.459     foxr     1991: 	    # header:
                   1992: 
                   1993: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1994: 
                   1995: 	    # IF sequence, recurse:
                   1996: 	    
                   1997: 	    if ($urlp =~ /\.sequence$/) {
                   1998: 		my $sequence_url = $urlp;
                   1999: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   2000: 		my $user         = $env{'user.name'};
                   2001: 
                   2002: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   2003: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   2004: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   2005: 		$result .= &print_construction_sequence($sequence_url, 
                   2006: 							$helper, %form, 
                   2007: 							$LaTeXwidth);
                   2008: 	    }
1.550     foxr     2009: 	}
                   2010: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2011: 	    my $texversion;
                   2012: 	    if ($member != 0) {
                   2013: 		$texversion .= '\cleardoublepage';
                   2014: 	    }
                   2015: 
                   2016: 	    $texversion .= &include_pdf($urlp);
                   2017: 	    $texversion = &latex_header_footer_remove($texversion);
                   2018: 	    if ($member != $#order) {
                   2019: 		$texversion .= '\\ \cleardoublepage';
                   2020: 	    }
1.551     foxr     2021: 	    
                   2022: 	    $result .= $texversion;
1.550     foxr     2023: 	}
1.459     foxr     2024:     }
                   2025:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2026:     return $result;
                   2027: }
                   2028: 
1.177     sakharuk 2029: sub output_data {
1.184     sakharuk 2030:     my ($r,$helper,$rparmhash) = @_;
                   2031:     my %parmhash = %$rparmhash;
1.515     foxr     2032:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2033:     $resources_printed = '';
1.556     foxr     2034:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     2035:     my $do_postprocessing = 1;
1.433     albertel 2036:     my $js = <<ENDPART;
                   2037: <script type="text/javascript">
1.264     sakharuk 2038:     var editbrowser;
                   2039:     function openbrowser(formname,elementname,only,omit) {
                   2040:         var url = '/res/?';
                   2041:         if (editbrowser == null) {
                   2042:             url += 'launch=1&';
                   2043:         }
                   2044:         url += 'catalogmode=interactive&';
                   2045:         url += 'mode=parmset&';
                   2046:         url += 'form=' + formname + '&';
                   2047:         if (only != null) {
                   2048:             url += 'only=' + only + '&';
                   2049:         } 
                   2050:         if (omit != null) {
                   2051:             url += 'omit=' + omit + '&';
                   2052:         }
                   2053:         url += 'element=' + elementname + '';
                   2054:         var title = 'Browser';
                   2055:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2056:         options += ',width=700,height=600';
                   2057:         editbrowser = open(url,title,options,'1');
                   2058:         editbrowser.focus();
                   2059:     }
                   2060: </script>
1.140     sakharuk 2061: ENDPART
                   2062: 
1.512     foxr     2063: 
1.558     bisitz   2064:     # Breadcrumbs
                   2065:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2066:     my $brcrum = [{'href' => '',
                   2067:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2068:                   {'href' => '',
                   2069:                    'text' => 'Preparing Printout'}];
                   2070: 
                   2071:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2072:                                                      $js,
                   2073:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2074:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2075: 
1.433     albertel 2076:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2077: 
1.363     foxr     2078:     # fetch the pagebreaks and store them in the course environment
                   2079:     # The page breaks will be pulled into the hash %page_breaks which is
                   2080:     # indexed by symb and contains 1's for each break.
                   2081: 
1.373     albertel 2082:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2083:     &set_form_extraspace($helper);
1.373     albertel 2084:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     2085:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2086: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2087: 					       'extraspace'    => 'scalar',
1.570     foxr     2088: 					       'extraspace_units' => 'scalar',
1.366     foxr     2089: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2090:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2091: 
1.140     sakharuk 2092:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2093:     my ($result,$selectionmade) = ('','');
                   2094:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2095:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2096:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2097: 
                   2098:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2099:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2100:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2101:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2102:     my @print_array=();
1.274     sakharuk 2103:     my @student_names=();
1.360     albertel 2104: 
1.512     foxr     2105:      
1.360     albertel 2106:     #  Common settings for the %form has:
                   2107:     # In some cases these settings get overriddent by specific cases, but the
                   2108:     # settings are common enough to make it worthwhile factoring them out
                   2109:     # here.
                   2110:     #
                   2111:     my %form;
                   2112:     $form{'grade_target'} = 'tex';
                   2113:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2114:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2115: 
                   2116:     # If form.showallfoils is set, then request all foils be shown:
                   2117:     # privilege will be enforced both by not allowing the 
                   2118:     # check box selecting this option to be presnt unless it's ok,
                   2119:     # and by lonresponse's priv. check.
                   2120:     # The if is here because lonresponse.pm only cares that
                   2121:     # showallfoils is defined, not what the value is.
                   2122: 
                   2123:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2124: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2125:     }
1.504     albertel 2126:     
                   2127:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2128: 	&Apache::lonnet::appenv({'construct.style' =>
                   2129: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2130:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2131: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2132:     }
                   2133: 
1.140     sakharuk 2134:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2135:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2136: 	my ($currentURL,$cleanURL);
1.375     foxr     2137: 
1.162     sakharuk 2138: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2139:             #prints published resource
1.153     sakharuk 2140: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2141: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2142: 	} else {
1.512     foxr     2143: 
1.185     sakharuk 2144:             #prints resource from the construction space
1.240     albertel 2145: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2146: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2147: 	    $cleanURL=$currentURL;
1.143     sakharuk 2148: 	}
1.140     sakharuk 2149: 	$selectionmade = 1;
1.413     albertel 2150: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2151: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2152: 	    my $rndseed=time;
1.242     sakharuk 2153: 	    my $texversion='';
                   2154: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2155: 		my %moreenv;
1.343     albertel 2156: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2157:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2158: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2159: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2160: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2161: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2162: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2163: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2164: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2165: 		    $form{'problem_split'}='yes';
                   2166: 		}
1.242     sakharuk 2167: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2168: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2169: 		}
                   2170: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2171: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2172: 
                   2173: 		&Apache::lonxml::clear_problem_counter();
                   2174: 
1.375     foxr     2175: 		$resources_printed .= $currentURL.':';
1.515     foxr     2176: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2177: 
1.511     foxr     2178: 		#  Add annotations if required:
                   2179: 	    
1.428     albertel 2180: 		&Apache::lonxml::clear_problem_counter();
                   2181: 
1.242     sakharuk 2182: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2183: 	    }
1.423     foxr     2184: 	    # current document with answers.. no need to encap in minipage
                   2185: 	    #  since there's only one answer.
                   2186: 
1.242     sakharuk 2187: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2188: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2189: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2190: 		$form{'grade_target'}='answer';
1.167     albertel 2191: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2192: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2193:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2194: 		    $form{'problemtype'}='exam';
                   2195: 		}
1.375     foxr     2196: 		$resources_printed .= $currentURL.':';
1.515     foxr     2197: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2198: 		
                   2199: 
1.242     sakharuk 2200: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2201: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2202: 		} else {
                   2203: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2204: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2205: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2206: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2207: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2208: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2209: 		    } else {
                   2210: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2211: 			my $URLpath=$cleanURL;
1.245     sakharuk 2212: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2213: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2214: 		    }
1.242     sakharuk 2215: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2216: 		}
1.511     foxr     2217: 
                   2218: 
                   2219: 		
                   2220: 
1.550     foxr     2221: 	    
1.511     foxr     2222: 	    }
                   2223: 	    # Print annotations.
                   2224: 
                   2225: 
                   2226: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2227: 		my $annotation .= &annotate($currentURL);
                   2228: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2229: 	    }
1.511     foxr     2230: 
                   2231: 
1.214     sakharuk 2232: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2233: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2234: 	    }
1.219     sakharuk 2235: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2236: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2237: 
                   2238: 	    }
1.162     sakharuk 2239: 	    $result .= $texversion;
                   2240: 	    if ($currentURL=~m/\.page\s*$/) {
                   2241: 		($result,$number_of_columns) = &page_cleanup($result);
                   2242: 	    }
1.413     albertel 2243:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2244: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2245:             #printing content of sequence from the construction space	
1.559     foxr     2246: 
                   2247: 
1.227     sakharuk 2248: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2249: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2250: 						    $LaTeXwidth);
                   2251: 	    $result .= '\end{document}';  
                   2252: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2253: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2254: 	    }
1.459     foxr     2255: 	    # End construction space sequence.
1.456     raeburn  2256: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2257: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2258: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2259: 		$resources_printed .= $currentURL.':';
1.567     foxr     2260: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2261: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2262: 		    my $annotation = &annotate($currentURL);
                   2263: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2264: 		}
1.258     sakharuk 2265: 		$result .= $texversion;
1.550     foxr     2266: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2267: 	    # For this sort of print of a single LaTeX file,
                   2268: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2269: 	    #
                   2270: 
                   2271: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2272: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2273: 		my $annotation = &annotate($currentURL);
                   2274: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2275: 	    }
                   2276: 
1.499     foxr     2277: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2278: 
1.550     foxr     2279: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2280: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2281: 	    $result .= '\end{document}';
1.559     foxr     2282: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2283: 
                   2284: 	    # Determine the set of resources in the map of the page:
                   2285: 
                   2286: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2287: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2288: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2289: 							$cleanURL, \@page_resources);
                   2290: 
                   2291:        
1.162     sakharuk 2292: 	} else {
1.414     albertel 2293: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2294: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2295: 	}
1.354     foxr     2296:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2297: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2298: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2299:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2300:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2301: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2302: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
1.582     raeburn  2303: 	     ) {
1.511     foxr     2304: 
1.582     raeburn  2305:  
1.141     sakharuk 2306:         #-- produce an output string
1.562     foxr     2307: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2308: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2309: 	    $selectionmade = 2;
1.562     foxr     2310: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2311: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2312: 	{
1.296     sakharuk 2313: 	    $selectionmade = 3;
1.536     foxr     2314: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2315: 		 ) {
1.296     sakharuk 2316: 	    $selectionmade = 4;
1.354     foxr     2317: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2318: 	    $selectionmade = 4;
1.296     sakharuk 2319: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2320: 	    $selectionmade = 7;
                   2321: 	}
1.193     sakharuk 2322: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2323: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2324: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2325: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2326: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2327: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2328: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2329: 	    $form{'problem_split'}='yes';
                   2330: 	}
1.141     sakharuk 2331: 	my $flag_latex_header_remove = 'NO';
                   2332: 	my $flag_page_in_sequence = 'NO';
                   2333: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2334: 	my $prevassignment='';
1.428     albertel 2335: 
                   2336: 	&Apache::lonxml::clear_problem_counter();
                   2337: 
1.416     foxr     2338: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2339: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2340: 
1.521     foxr     2341: 	    &Apache::lonenc::reset_enc();
                   2342: 
                   2343: 
1.350     foxr     2344: 	    # Note due to document structure, not allowed to put \newpage
                   2345: 	    # prior to the first resource
                   2346: 
1.351     foxr     2347: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2348: 		if($i != 0) {
                   2349: 		    $result.="\\newpage\n";
                   2350: 		}
                   2351: 	    }
1.569     foxr     2352: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2353: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2354: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2355: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2356: 
                   2357: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2358: 
1.267     sakharuk 2359: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2360: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2361: 	    my $texversion='';
1.413     albertel 2362: 	    if ($urlp!~m|^/adm/|
                   2363: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2364: 		$resources_printed .= $urlp.':';
1.428     albertel 2365: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2366: 		if ($flag_latex_header_remove eq 'NO') {
                   2367: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2368:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2369:                             (($i==0) &&
                   2370:                              (($urlp=~/\.page$/) ||
                   2371:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ||
                   2372:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page')))) {
                   2373:                         $flag_latex_header_remove = 'YES';
                   2374:                     }
1.566     foxr     2375: 		}
1.515     foxr     2376: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2377: 		if ($urlp=~/\.page$/) {
                   2378: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2379: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2380: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2381: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2382: 		}
1.428     albertel 2383: 
1.296     sakharuk 2384: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2385: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2386: 		    #  Don't permanently pervert the %form hash
                   2387: 		    my %answerform = %form;
                   2388: 		    $answerform{'grade_target'}='answer';
                   2389: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2390: 		    $resources_printed .= $urlp.':';
1.428     albertel 2391: 
                   2392: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2393: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2394:                     if ($urlp =~ /\.page$/) {
                   2395:                         $answer =~ s/\\end{document}(\d*)$//;
                   2396:                     }
1.296     sakharuk 2397: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2398:                         if ($urlp =~ /\.page$/) {
                   2399:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2400:                             my $lastprob = pop(@probs);
                   2401:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2402:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2403:                         } else {
                   2404:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2405:                         }
1.249     sakharuk 2406: 		    } else {
1.582     raeburn  2407: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/) {
1.296     sakharuk 2408: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2409: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2410: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2411: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2412: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2413: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2414: 			    $body   .='\vskip 1 mm '.$answer;
                   2415: 			    $body    = &encapsulate_minipage($body);
                   2416: 			    $texversion .= $body;
1.296     sakharuk 2417: 			} else {
                   2418: 			    $texversion='';
                   2419: 			}
1.249     sakharuk 2420: 		    }
1.511     foxr     2421: 
1.246     sakharuk 2422: 		}
1.511     foxr     2423: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2424: 		    my $annotation .= &annotate($urlp);
                   2425: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2426: 		}
                   2427: 
1.296     sakharuk 2428: 		if ($flag_latex_header_remove ne 'NO') {
                   2429: 		    $texversion = &latex_header_footer_remove($texversion);
                   2430: 		} else {
                   2431: 		    $texversion =~ s/\\end{document}//;
                   2432: 		}
                   2433: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2434: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2435: 		}
                   2436: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2437: 		    my $name = &get_name();
                   2438: 		    my $courseidinfo = &get_course();
                   2439: 		    $prevassignment=$assignment;
1.455     albertel 2440: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2441: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2442: 							  $assignment, 
                   2443: 							  $courseidinfo, 
                   2444: 							  $name);
1.552     foxr     2445: 
1.417     foxr     2446: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2447: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2448: 		    } else {
1.455     albertel 2449: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2450: 		    }			
1.296     sakharuk 2451: 		}
                   2452: 		$result .= $texversion;
                   2453: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2454: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2455: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2456: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2457: 		$resources_printed .= $urlp.':';
1.567     foxr     2458: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2459: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2460: 		    my $annotation = &annotate($urlp);
                   2461: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2462: 		}
                   2463: 
1.301     sakharuk 2464: 		if ($flag_latex_header_remove ne 'NO') {
                   2465: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2466: 		} else {	
1.301     sakharuk 2467: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2468: 		}
                   2469: 		$result .= $texversion;
                   2470: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2471: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2472: 		if ($i > 0) {
                   2473: 		    $result .= '\cleardoublepage';
                   2474: 		}
1.580     raeburn  2475:                 my $texfrompdf = &include_pdf($urlp);
                   2476:                 if ($flag_latex_header_remove ne 'NO') {
                   2477:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   2478:                 }
                   2479:                 $result .= $texfrompdf;
1.550     foxr     2480: 		if ($i != $#master_seq) {
                   2481: 		    if ($numberofcolumns eq '1') {
                   2482: 			$result .= '\newpage';
                   2483: 		    } else {
                   2484: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2485: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2486: 			#
                   2487: 			$result .= '\\ \cleardoublepage';
                   2488: 		    }
                   2489: 		}
                   2490: 		$flag_latex_header_remove = 'YES';
                   2491: 
1.141     sakharuk 2492: 	    } else {
1.414     albertel 2493: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2494: 					 $master_seq[$i]);
1.297     sakharuk 2495: 		if ($flag_latex_header_remove ne 'NO') {
                   2496: 		    $texversion = &latex_header_footer_remove($texversion);
                   2497: 		} else {
                   2498: 		    $texversion =~ s/\\end{document}//;
                   2499: 		}
                   2500: 		$result .= $texversion;
                   2501: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  2502: 	    }
1.550     foxr     2503: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2504: 		last; 
                   2505: 	    }
1.141     sakharuk 2506: 	}
1.428     albertel 2507: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2508: 	if ($flag_page_in_sequence eq 'YES') {
                   2509: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2510: 	}	
1.141     sakharuk 2511: 	$result .= '\end{document}';
1.284     albertel 2512:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2513: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2514: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2515: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2516: 
                   2517: 
1.150     sakharuk 2518:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2519: 	 my $type;
1.536     foxr     2520: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2521: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2522: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2523: 	     $selectionmade=5;
1.284     albertel 2524: 	     $type='problems';
1.254     sakharuk 2525: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2526: 	     $selectionmade=8;
1.284     albertel 2527: 	     $type='resources';
1.254     sakharuk 2528: 	 }
1.150     sakharuk 2529: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2530: 	 #   The normal sort order is by section then by students within the
                   2531: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2532: 	 #   to override this and output the students by name.
                   2533: 	 #    Each element of the students array is of the form:
                   2534: 	 #       username:domain:section:last, first:status
                   2535: 	 #    
1.429     foxr     2536: 	 #  Note that student sort is not compatible with printing 
                   2537: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2538: 	 #   
1.429     foxr     2539: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2540: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2541: 	     @students = sort compare_names  @students;
                   2542: 	 }
1.429     foxr     2543: 	 &adjust_number_to_print($helper);
                   2544: 
1.278     albertel 2545:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2546: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2547: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2548: 	 }
1.429     foxr     2549: 	 # If we are splitting on section boundaries, we need 
                   2550: 	 # to remember that in split_on_sections and 
                   2551: 	 # print all of the students in the list.
                   2552: 	 #
                   2553: 	 my $split_on_sections = 0;
                   2554: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2555: 	     $split_on_sections = 1;
                   2556: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2557: 	 }
1.150     sakharuk 2558: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2559: 
1.150     sakharuk 2560: 	 #loop over students
1.562     foxr     2561: 
                   2562:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2563: 	 my %moreenv;
1.330     sakharuk 2564:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2565: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2566: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2567: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2568: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2569: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2570: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2571: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2572: 	     $moreenv{'problem_split'}='yes';
                   2573: 	 }
1.318     albertel 2574: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2575: 	 my $student_counter=-1;
1.429     foxr     2576: 	 my $i = 0;
1.430     albertel 2577: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2578: 	 foreach my $person (@students) {
1.350     foxr     2579: 
1.373     albertel 2580:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2581: 	     if (-e $duefile) {
                   2582: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2583: 		 print $temp_file "1969\n";
                   2584: 	     }
1.272     sakharuk 2585: 	     $student_counter++;
1.429     foxr     2586: 	     if ($split_on_sections) {
1.430     albertel 2587: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2588: 		 if ($this_section ne $last_section) {
                   2589: 		     $i++;
                   2590: 		     $last_section = $this_section;
                   2591: 		 }
                   2592: 	     } else {
                   2593: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2594: 	     }
1.375     foxr     2595: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2596: 						     $person,$type,
                   2597: 						     \%moreenv,\@master_seq,
1.360     albertel 2598: 						     $flag_latex_header_remove,
1.422     albertel 2599: 						     $LaTeXwidth);
1.375     foxr     2600: 	     $resources_printed .= ":";
1.284     albertel 2601: 	     $print_array[$i].=$output;
                   2602: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   2603: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2604: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 2605: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2606: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2607: 	 }
                   2608: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2609: 	 $result .= $print_array[0].'  \end{document}';
                   2610:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2611: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2612: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2613: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2614: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2615: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2616: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2617: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2618: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2619: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2620: 
1.381     albertel 2621: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2622:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2623: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2624: 	 foreach my $line (@lines) {
1.381     albertel 2625: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2626: 	     if ($name eq $code_option) {
                   2627: 		 $code_length=$length;
                   2628: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2629: 	     }
                   2630: 	 }
1.288     albertel 2631: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2632: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2633:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2634: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2635: 	 my @allcodes;
                   2636: 	 if ($old_name) {
1.381     albertel 2637: 	     my %result=&Apache::lonnet::get('CODEs',
                   2638: 					     [$old_name,"type\0$old_name"],
                   2639: 					     $cdom,$cnum);
                   2640: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2641: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2642: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2643: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2644: 	     $num_todo = 1;
                   2645: 	     @allcodes = ($selected_code);
1.385     foxr     2646: 	 } elsif ($single_code) {
                   2647: 
1.387     foxr     2648: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2649: 	     # If an alpha code have to convert to numbers so it can be
                   2650: 	     # converted back to letters again :-)
                   2651: 	     #
                   2652: 	     if ($code_type ne 'number') {
                   2653: 		 $single_code = &letters_to_num($single_code);
                   2654: 	     }
                   2655: 	     @allcodes = ($single_code);
1.292     albertel 2656: 	 } else {
                   2657: 	     my %allcodes;
1.299     albertel 2658: 	     srand($seed);
1.292     albertel 2659: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2660: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2661: 					    $code_type);
1.292     albertel 2662: 	     }
                   2663: 	     if ($code_name) {
                   2664: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2665: 				      {
                   2666: 					$code_name =>join(',',keys(%allcodes)),
                   2667: 					"type\0$code_name" => $code_type
                   2668: 				      },
1.292     albertel 2669: 				      $cdom,$cnum);
                   2670: 	     }
                   2671: 	     @allcodes=keys(%allcodes);
                   2672: 	 }
1.336     albertel 2673: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2674: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2675: 	 &adjust_number_to_print($helper);
1.336     albertel 2676: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2677: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2678: 	     $number_per_page=$num_todo;
                   2679: 	 }
                   2680: 	 my $flag_latex_header_remove = 'NO'; 
                   2681: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2682: 	 my $count=0;
1.292     albertel 2683: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2684: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2685: 	     if ($code_type eq 'number') { 
                   2686: 		 $moreenv{'CODE'}=$code;
                   2687: 	     } else {
                   2688: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2689: 	     }
1.375     foxr     2690: 	     my ($output,$fullname, $printed)=
1.288     albertel 2691: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2692: 				  \@master_seq,$flag_latex_header_remove,
                   2693: 				  $LaTeXwidth);
1.375     foxr     2694: 	     $resources_printed .= ":";
1.295     albertel 2695: 	     $print_array[$file_num].=$output;
1.288     albertel 2696: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2697: 				       &mt('last assignment').' '.$fullname);
                   2698: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2699: 	     $count++;
1.331     albertel 2700: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2701: 	 }
                   2702: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2703: 	 $result .= $print_array[0].'  \end{document}';
                   2704:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2705:     #prints selected problems from the subdirectory 
                   2706: 	$selectionmade = 6;
                   2707:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2708: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2709: 	my $flag_latex_header_remove = 'NO'; 
                   2710: 	my $rndseed=time;
1.230     albertel 2711: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2712: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2713: 	}
1.151     sakharuk 2714: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2715: 
                   2716: 	    &Apache::lonenc::reset_enc();
                   2717: 
1.152     sakharuk 2718: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2719: 	    $urlp=~s|//|/|;
1.152     sakharuk 2720: 	    if ($urlp=~/\//) {
1.353     foxr     2721: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2722: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2723: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2724: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2725: 		} else {
1.302     sakharuk 2726: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2727: 		}
1.375     foxr     2728: 		$resources_printed .= $urlp.':';
1.515     foxr     2729: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2730: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2731: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2732: 		    #  Don't permanently pervert %form:
                   2733: 		    my %answerform = %form;
                   2734: 		    $answerform{'grade_target'}='answer';
                   2735: 		    $answerform{'answer_output_mode'}='tex';
                   2736: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2737: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2738: 		    $resources_printed .= $urlp.':';
1.515     foxr     2739: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2740: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2741: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2742: 		    } else {
1.253     sakharuk 2743: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2744: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2745: 			    $texversion.='\vskip 0 mm \noindent ';
                   2746: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2747: 			} else {
                   2748: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2749: 			    my $URLpath=$urlp;
                   2750: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2751: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2752: 			}
                   2753: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2754: 		    }
1.174     sakharuk 2755: 		}
1.515     foxr     2756:                 #this chunk is responsible for printing the path to problem
                   2757: 
1.253     sakharuk 2758: 		my $newurlp=$urlp;
                   2759: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2760: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2761: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2762: 		if ($flag_latex_header_remove ne 'NO') {
                   2763: 		    $texversion = &latex_header_footer_remove($texversion);
                   2764: 		} else {
                   2765: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2766: 		}
                   2767: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2768: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2769: 		}
1.219     sakharuk 2770: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2771: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2772: 		    
                   2773: 		}
1.152     sakharuk 2774: 		$result .= $texversion;
                   2775: 	    }
                   2776: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2777: 	}
1.175     sakharuk 2778: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2779: 	$result .= '\end{document}';      	
1.140     sakharuk 2780:     }
                   2781: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2782: 
                   2783:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2784: 
                   2785:     if ($do_postprocessing) {
                   2786: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2787: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2788: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2789: 	#if ($numberofcolumns == 1) {
1.451     albertel 2790: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2791: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2792: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2793: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2794: 	#}
                   2795:     }
1.367     foxr     2796: 
1.515     foxr     2797:     # Set URLback if this is a construction space print so we can provide
                   2798:     # a link to the resource being edited.
                   2799:     #
1.274     sakharuk 2800: 
1.276     sakharuk 2801:     my $URLback=''; #link to original document
1.510     albertel 2802:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2803: 	#prints resource from the construction space
                   2804: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2805: 	if ($URLback=~/([^?]+)/) {
                   2806: 	    $URLback=$1;
                   2807: 	    $URLback=~s|^/~|/priv/|;
                   2808: 	}
1.276     sakharuk 2809:     }
1.556     foxr     2810:     #
                   2811:     # Final adjustment of the font size:
                   2812:     #
                   2813: 
                   2814:     $result = set_font_size($result);
1.375     foxr     2815: 
1.525     www      2816: #-- writing .tex file in prtspool 
                   2817:     my $temp_file;
                   2818:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2819:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2820:     if (!($#print_array>0)) { 
                   2821:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2822: 	  $r->log_error("Couldn't open $filename for output $!");
                   2823: 	  return SERVER_ERROR; 
                   2824:        }
                   2825:        print $temp_file $result;
                   2826:        my $begin=index($result,'\begin{document}',0);
                   2827:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2828:     } else {
1.525     www      2829:        my $begin=index($result,'\begin{document}',0);
                   2830:        my $inc=substr($result,0,$begin+16);
                   2831:        for (my $i=0;$i<=$#print_array;$i++) {
                   2832: 	  if ($i==0) {
                   2833: 	      $print_array[$i]=$result;
                   2834: 	  } else {
                   2835: 	      $print_array[$i].='\end{document}';
                   2836: 	      $print_array[$i] = 
                   2837: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2838: 				   $selectionmade, 
                   2839: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2840: 	    
1.525     www      2841: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2842: 	      substr($print_array[$i],0,$anobegin)='';
                   2843: 	      $print_array[$i]=$inc.$print_array[$i];
                   2844: 	  }
                   2845: 	  my $temp_file;
                   2846: 	  my $newfilename=$filename;
                   2847: 	  my $num=$i+1;
                   2848: 	  $newfilename =~s/\.tex$//; 
                   2849: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2850: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2851: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2852: 	      return SERVER_ERROR; 
                   2853: 	  }
                   2854: 	  print $temp_file $print_array[$i];
                   2855:        }
                   2856:     }
                   2857:     my $student_names='';
                   2858:     if ($#print_array>0) {
                   2859:         for (my $i=0;$i<=$#print_array;$i++) {
                   2860:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2861: 	}
1.525     www      2862:     } else {
                   2863: 	if ($#student_names>-1) {
                   2864: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2865: 	} else {
1.525     www      2866:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2867: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2868: 				    $env{'request.course.sec'},$fullname).
                   2869: 					'_ENDPERSON_'.'_END_';
                   2870: 	}
1.525     www      2871:      }
1.515     foxr     2872: 	
1.525     www      2873:      # logic for now is too complex to trace if this has been defined
                   2874:      #  yet.
                   2875:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2876:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2877:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2878: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2879: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2880: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2881: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2882: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2883: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2884: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2885: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2886: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2887: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2888:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2889: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2890: 				"cgi.$identifier.courseid" => $cnum, 
                   2891: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2892: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2893: 	
1.525     www      2894:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2895:     my $continue_text = &mt('Continue');
1.525     www      2896:     # If there's been an unrecoverable SSI error, report it to the user
                   2897:     if ($ssi_error) {
                   2898:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2899:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2900:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2901:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2902:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2903:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2904:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2905:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2906:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2907:     } else {
1.515     foxr     2908: 	$r->print(<<FINALEND);
1.317     albertel 2909: <br />
1.288     albertel 2910: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2911: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2912: $end_page
1.140     sakharuk 2913: FINALEND
1.528     raeburn  2914:     }                                     # endif ssi errors.
1.140     sakharuk 2915: }
                   2916: 
1.288     albertel 2917: 
                   2918: sub get_CODE {
1.381     albertel 2919:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2920:     my $max='1'.'0'x$size;
                   2921:     my $newcode;
                   2922:     while(1) {
1.392     albertel 2923: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2924: 	if (!exists($$all_codes{$newcode})) {
                   2925: 	    $$all_codes{$newcode}=1;
1.381     albertel 2926: 	    if ($type eq 'number' ) {
                   2927: 		return $newcode;
                   2928: 	    } else {
                   2929: 		return &num_to_letters($newcode);
                   2930: 	    }
1.288     albertel 2931: 	}
                   2932:     }
                   2933: }
1.140     sakharuk 2934: 
1.284     albertel 2935: sub print_resources {
1.360     albertel 2936:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2937: 	$LaTeXwidth)=@_;
1.284     albertel 2938:     my $current_output = ''; 
1.375     foxr     2939:     my $printed = '';
1.284     albertel 2940:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2941:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2942:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2943:     if ($person =~ 'anon') {
1.492     foxr     2944: 	$namepostfix .="Name: ";
1.288     albertel 2945: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2946:     }
1.444     foxr     2947:     #  Fullname may have special latex characters that need \ prefixing:
                   2948:     #
                   2949: 
1.350     foxr     2950:     my $i           = 0;
1.284     albertel 2951:     #goes through all resources, checks if they are available for 
                   2952:     #current student, and produces output   
1.428     albertel 2953: 
                   2954:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2955:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2956:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2957:     #
1.441     foxr     2958:     #   end each student with a 
1.440     foxr     2959:     #   Special that allows the post processor to even out the page
                   2960:     #   counts later.  Nasty problem this... it would be really
                   2961:     #   nice to put the special in as a postscript comment
1.441     foxr     2962:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2963:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2964:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2965:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2966:     #
1.568     foxr     2967:     my $syllabus_first = 0;
1.284     albertel 2968:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2969: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2970: 	    if($i != 0) {
                   2971: 		$current_output.= "\\newpage\n";
                   2972: 	    }
                   2973: 	}
1.569     foxr     2974: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     2975: 	$i++;
1.511     foxr     2976: 
1.284     albertel 2977: 	if ( !($type eq 'problems' && 
1.582     raeburn  2978: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) {
1.284     albertel 2979: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2980: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2981: 		if ($res_url!~m|^ext/|
1.413     albertel 2982: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2983: 		    $printed .= $curresline.':';
1.428     albertel 2984: 		    &Apache::lonxml::remember_problem_counter();    
                   2985: 
1.526     www      2986: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  2987:                     if ($res_url =~ /\.page$/) {
                   2988:                         if ($remove_latex_header eq 'NO') {
                   2989:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   2990:                                 $rendered = &print_latex_header().$rendered;
                   2991:                             }
                   2992:                         }
                   2993:                         if ($remove_latex_header eq 'YES') {
                   2994:                             $rendered = &latex_header_footer_remove($rendered);
                   2995:                         } else {
                   2996:                             $rendered =~ s/\\end{document}\d*//;
                   2997:                         }
                   2998:                     }
1.305     sakharuk 2999: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3000: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3001: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   3002: 			my %answerenv = %{$moreenv};
                   3003: 			$answerenv{'answer_output_mode'}='tex';
                   3004: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 3005: 			
                   3006: 			&Apache::lonxml::restore_problem_counter();
                   3007: 
1.380     foxr     3008: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 3009: 
1.305     sakharuk 3010: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3011: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   3012: 			} else {
1.423     foxr     3013: 
                   3014: 			    
                   3015: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  3016:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   3017:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   3018:                             }
1.477     albertel 3019: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3020: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3021: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3022: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3023: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3024: 			    $body     = &encapsulate_minipage($body);
                   3025: 			    $rendered = $header.$body;
1.305     sakharuk 3026: 			}
                   3027: 		    }
1.511     foxr     3028: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3029: 			my $url = &Apache::lonnet::clutter($res_url);
                   3030: 			my $annotation = &annotate($url);
                   3031: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3032: 		    }
1.562     foxr     3033: 		    my $junk;
1.305     sakharuk 3034: 		    if ($remove_latex_header eq 'YES') {
                   3035: 			$rendered = &latex_header_footer_remove($rendered);
                   3036: 		    } else {
                   3037: 			$rendered =~ s/\\end{document}//;
                   3038: 		    }
                   3039: 		    $current_output .= $rendered;		    
1.456     raeburn  3040: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3041: 		    if ($i == 1) {
                   3042: 			$syllabus_first = 1;
                   3043: 		    }
1.375     foxr     3044: 		    $printed .= $curresline.':';
1.528     raeburn  3045: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3046: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3047: 			my $url = &Apache::lonnet::clutter($res_url);
                   3048: 			my $annotation = &annotate($url);
                   3049: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3050: 		    }
1.305     sakharuk 3051: 		    if ($remove_latex_header eq 'YES') {
                   3052: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3053: 		    } else {
1.305     sakharuk 3054: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3055: 		    }
1.421     foxr     3056: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3057: 		} elsif($res_url = ~/\.pdf$/) {
                   3058: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3059: 		    my $rendered  = &include_pdf($url);
                   3060: 		    if ($remove_latex_header ne 'NO') {
                   3061: 			$rendered = &latex_header_footer_remove($rendered);
                   3062: 		    }
                   3063: 		    $current_output .= $rendered;
1.284     albertel 3064: 		} else {
1.414     albertel 3065: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3066: 		    if ($remove_latex_header ne 'NO') {
                   3067: 			$rendered = &latex_header_footer_remove($rendered);
                   3068: 		    } else {
                   3069: 			$rendered =~ s/\\end{document}//;
                   3070: 		    }
                   3071: 		    $current_output .= $rendered;
1.284     albertel 3072: 		}
                   3073: 	    }
                   3074: 	    $remove_latex_header = 'YES';
1.550     foxr     3075: 	} 
1.331     albertel 3076: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3077:     }
1.552     foxr     3078: 
1.583     raeburn  3079:     if ($syllabus_first) {
                   3080:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3081:     }
1.284     albertel 3082:     my $courseidinfo = &get_course();
                   3083:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3084:     my $header_line =
1.486     foxr     3085: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     3086: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 3087:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3088: 	                                         : '\fancyhead[LO]';
                   3089:     $header_line = $header_start.'{'.$header_line.'}';
1.583     raeburn  3090:     if ($current_output=~/\\documentclass/) {
1.476     albertel 3091: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 3092:     } else {
1.476     albertel 3093: 	my $blankpages = 
                   3094: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3095: 	    
                   3096: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3097: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3098: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3099: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3100:     }
1.440     foxr     3101:     #
                   3102:     #  Close the student bracketing.
                   3103:     #
1.375     foxr     3104:     return ($current_output,$fullname, $printed);
1.284     albertel 3105: 
                   3106: }
1.140     sakharuk 3107: 
1.3       sakharuk 3108: sub handler {
                   3109: 
                   3110:     my $r = shift;
1.397     albertel 3111:     
                   3112:     &init_perm();
1.114     bowersj2 3113: 
1.416     foxr     3114: 
1.67      www      3115: 
1.397     albertel 3116:     my $helper = printHelper($r);
                   3117:     if (!ref($helper)) {
                   3118: 	return $helper;
1.60      sakharuk 3119:     }
1.177     sakharuk 3120:    
1.184     sakharuk 3121: 
1.454     foxr     3122:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3123:  
1.416     foxr     3124: 
1.350     foxr     3125: 
                   3126: 
1.367     foxr     3127:     #  If a figure conversion queue file exists for this user.domain
                   3128:     # we delete it since it can only be bad (if it were good, printout.pl
                   3129:     # would have deleted it the last time around.
                   3130: 
1.373     albertel 3131:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3132:     if(-e $conversion_queuefile) {
                   3133: 	unlink $conversion_queuefile;
                   3134:     }
1.515     foxr     3135:     
                   3136: 
1.184     sakharuk 3137:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3138:     return OK;
1.60      sakharuk 3139: } 
1.2       sakharuk 3140: 
1.131     bowersj2 3141: use Apache::lonhelper;
1.130     sakharuk 3142: 
1.223     bowersj2 3143: sub addMessage {
                   3144:     my $text = shift;
                   3145:     my $paramHash = Apache::lonhelper::getParamHash();
                   3146:     $paramHash->{MESSAGE_TEXT} = $text;
                   3147:     Apache::lonhelper::message->new();
                   3148: }
                   3149: 
1.416     foxr     3150: 
1.238     bowersj2 3151: 
1.397     albertel 3152: sub init_perm {
                   3153:     undef(%perm);
                   3154:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3155:     if (!$perm{'pav'}) {
                   3156: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3157: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3158:     }
1.465     albertel 3159:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3160:     if (!$perm{'pfo'}) {
                   3161: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3162: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3163:     }
                   3164: }
                   3165: 
1.507     albertel 3166: sub get_randomly_ordered_warning {
                   3167:     my ($helper,$map) = @_;
                   3168: 
                   3169:     my $message;
                   3170: 
                   3171:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3172:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3173:     if (defined($navmap)) {
                   3174:         my $res = $navmap->getResourceByUrl($map);
                   3175:         if ($res) {
                   3176: 	    my $func = 
                   3177: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3178: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3179: 	    if (@matches) {
                   3180: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3181: 	    }
                   3182:         }
                   3183:         if ($message) {
                   3184: 	    return '<message type="warning">'.$message.'</message>';
                   3185:         }
                   3186:     } else {
                   3187:         $message = "Retrieval of information about ordering of resources failed."; 
                   3188:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3189:     }
                   3190:     return;
                   3191: }
                   3192: 
1.131     bowersj2 3193: sub printHelper {
1.115     bowersj2 3194:     my $r = shift;
                   3195: 
                   3196:     if ($r->header_only) {
1.373     albertel 3197:         if ($env{'browser.mathml'}) {
1.241     www      3198:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3199:         } else {
1.241     www      3200:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3201:         }
                   3202:         $r->send_http_header;
                   3203:         return OK;
1.115     bowersj2 3204:     }
                   3205: 
1.131     bowersj2 3206:     # Send header, nocache
1.373     albertel 3207:     if ($env{'browser.mathml'}) {
1.241     www      3208:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3209:     } else {
1.241     www      3210:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3211:     }
                   3212:     &Apache::loncommon::no_cache($r);
                   3213:     $r->send_http_header;
                   3214:     $r->rflush();
                   3215: 
1.131     bowersj2 3216:     # Unfortunately, this helper is so complicated we have to
                   3217:     # write it by hand
                   3218: 
                   3219:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3220:     
1.176     bowersj2 3221:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3222:     $helper->declareVar('symb');
1.156     bowersj2 3223:     $helper->declareVar('postdata');    
1.290     sakharuk 3224:     $helper->declareVar('curseed'); 
                   3225:     $helper->declareVar('probstatus');   
1.156     bowersj2 3226:     $helper->declareVar('filename');
                   3227:     $helper->declareVar('construction');
1.178     sakharuk 3228:     $helper->declareVar('assignment');
1.262     sakharuk 3229:     $helper->declareVar('style_file');
1.340     foxr     3230:     $helper->declareVar('student_sort');
1.363     foxr     3231:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3232:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3233:     $helper->declareVar("showallfoils");
1.483     foxr     3234:     $helper->declareVar("STUDENTS");
1.569     foxr     3235:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3236: 
                   3237:    
                   3238: 
                   3239: 
1.569     foxr     3240:     #  The page breaks and extra spaces
                   3241:     #  can get loaded initially from the course environment:
1.394     foxr     3242:     # But we only do this in the initial state so that they are allowed to change.
                   3243:     #
1.366     foxr     3244: 
1.363     foxr     3245:     
                   3246:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3247: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3248: 						 'extraspace'  => 'scalar',
1.570     foxr     3249: 						 'extraspace_units' => 'scalar',
1.366     foxr     3250: 					         'lastprinttype' => 'scalar'});
                   3251:     
1.483     foxr     3252:     # This will persistently load in the data we want from the
                   3253:     # very first screen.
1.394     foxr     3254:     
                   3255:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3256: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3257: 	    
                   3258: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3259: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3260: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3261: 	} else {
                   3262: 	    my $state = $env{"form.CURRENT_STATE"};
                   3263: 	    if ($state eq "START") {
                   3264: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3265: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3266: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3267: 		
1.394     foxr     3268: 	    }
                   3269: 	}
                   3270: 	
1.366     foxr     3271:     }
1.481     albertel 3272: 
1.156     bowersj2 3273:     # Detect whether we're coming from construction space
1.373     albertel 3274:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3275:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3276:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3277:     } else {
1.373     albertel 3278:         if ($env{'form.postdata'}) {
                   3279:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3280: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3281: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3282: 	    }
1.156     bowersj2 3283:         }
1.373     albertel 3284:         if ($env{'form.symb'}) {
                   3285:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3286:         }
1.373     albertel 3287:         if ($env{'form.url'}) {
1.156     bowersj2 3288:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3289:         }
1.416     foxr     3290: 
1.157     bowersj2 3291:     }
1.481     albertel 3292: 
1.373     albertel 3293:     if ($env{'form.symb'}) {
                   3294:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3295:     }
1.373     albertel 3296:     if ($env{'form.url'}) {
1.140     sakharuk 3297:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3298: 
1.140     sakharuk 3299:     }
1.343     albertel 3300:     $helper->{VARS}->{'symb'}=
                   3301: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3302:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3303:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3304: 
1.156     bowersj2 3305:     
1.146     bowersj2 3306:     # Extract map
                   3307:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3308:     my ($map, $id, $url);
                   3309:     my $subdir;
1.483     foxr     3310:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3311: 
                   3312:     # Get the resource name from construction space
                   3313:     if ($helper->{VARS}->{'construction'}) {
                   3314:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3315:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3316:         $subdir = substr($helper->{VARS}->{'filename'},
                   3317:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3318:     } else {
1.562     foxr     3319: 	# From course space:
                   3320: 
1.482     albertel 3321: 	if ($symb ne '') {
                   3322: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3323: 	    $helper->{VARS}->{'postdata'} = 
                   3324: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3325: 	} else {
                   3326: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3327: 	    $is_published=1;	# From resource space.
1.482     albertel 3328: 	}
                   3329: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3330:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3331:             my $postdata = $helper->{VARS}->{'postdata'};
                   3332:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3333:         }
                   3334:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3335:     }
1.373     albertel 3336:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3337: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3338:     }
1.373     albertel 3339:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3340: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3341:     }
1.115     bowersj2 3342: 
1.192     bowersj2 3343:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3344: 
1.481     albertel 3345:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3346: 
1.131     bowersj2 3347:     # "Delete everything after the last slash."
1.119     bowersj2 3348:     $subdir =~ s|/[^/]+$||;
                   3349: 
1.131     bowersj2 3350:     # What can be printed is a very dynamic decision based on
                   3351:     # lots of factors. So we need to dynamically build this list.
                   3352:     # To prevent security leaks, states are only added to the wizard
                   3353:     # if they can be reached, which ensures manipulating the form input
                   3354:     # won't allow anyone to reach states they shouldn't have permission
                   3355:     # to reach.
                   3356: 
                   3357:     # printChoices is tracking the kind of printing the user can
                   3358:     # do, and will be used in a choices construction later.
                   3359:     # In the meantime we will be adding states and elements to
                   3360:     # the helper by hand.
                   3361:     my $printChoices = [];
                   3362:     my $paramHash;
1.130     sakharuk 3363: 
1.240     albertel 3364:     if ($resourceTitle) {
1.458     www      3365:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3366:     }
                   3367: 
1.238     bowersj2 3368:     # Useful filter strings
1.540     raeburn  3369:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3370:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3371:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3372:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3373:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3374:     my $isMap = '$res->is_map()';
1.342     albertel 3375:     my $symbFilter = '$res->shown_symb()';
                   3376:     my $urlValue = '$res->link()';
1.238     bowersj2 3377: 
                   3378:     $helper->declareVar('SEQUENCE');
                   3379: 
1.465     albertel 3380:     # If we're in a sequence...
1.416     foxr     3381: 
1.465     albertel 3382:     my $start_new_option;
                   3383:     if ($perm{'pav'}) {
                   3384: 	$start_new_option = 
                   3385: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     3386: 	    "' variable='FINISHPAGE' />".
1.570     foxr     3387: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     3388: 	    "' variable='EXTRASPACE' type='text' />" .
                   3389: 	    "<option " .
1.570     foxr     3390: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   3391: 	    "<option text='".&mt('Space units<br />check for mm').
                   3392: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   3393: 	    ;
                   3394: 	    
1.569     foxr     3395: 
1.465     albertel 3396:     }
1.238     bowersj2 3397: 
1.562     foxr     3398:     # If not construction space user can print the components of a page:
                   3399: 
                   3400:     my $page_ispage;
                   3401:     my $page_title;
                   3402:     if (!$helper->{VARS}->{'construction'}) {
                   3403: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3404: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3405: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3406: 	if (defined($page_navmap)) {
                   3407: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3408: 	    if(defined($page_resources[0])) {
                   3409: 		$page_ispage       = $page_resources[0]->is_page();
                   3410: 		$page_title     = $page_resources[0]->title();
                   3411: 		my $resourcesymb   = $page_resources[0]->symb();
                   3412: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3413: 		if ($page_ispage) {
                   3414: 		    push @{$printChoices}, 
                   3415: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3416: 		     'map_problems_in_page', 
                   3417: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3418: 		    push @{$printChoices}, 
                   3419: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3420: 		     'map_resources_in_page', 
                   3421: 		     'CHOOSE_RESOURCES_PAGE'];
                   3422: 		}
1.562     foxr     3423:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3424: 							'Select Problem(s) to print',
                   3425: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3426: 							'RESOURCES',
                   3427: 							'PAGESIZE',
                   3428: 							$url,
                   3429: 							$isProblem, '',  $symbFilter,
                   3430: 							$start_new_option);
                   3431: 
                   3432: 
                   3433:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3434: 						    'Select Resource(s) to print',
                   3435: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3436: 						    'RESOURCES',
                   3437: 						    'PAGESIZE',
                   3438: 						    $url,
                   3439: 						    $isNotMap, '', $symbFilter,
                   3440: 						    $start_new_option);
                   3441: 
                   3442: 						    
                   3443: 
                   3444: 
                   3445: 
                   3446: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3447: 	
1.563     foxr     3448: 	    }
                   3449: 	}
1.562     foxr     3450:     }
                   3451: 
                   3452:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3453: 	$helper->{VARS}->{'postdata'} &&
                   3454: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3455:         # Allow problems from sequence
1.562     foxr     3456:         push @{$printChoices}, 
                   3457: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3458: 	     'map_problems', 
                   3459: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3460:         # Allow all resources from sequence
1.562     foxr     3461:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3462: 				'map_problems_pages', 
                   3463: 				'CHOOSE_PROBLEMS_HTML'];
                   3464:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3465: 							'Select Problem(s) to print',
                   3466: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3467: 							'RESOURCES',
                   3468: 							'PAGESIZE',
                   3469: 							$map,
                   3470: 							$isProblem, '',
                   3471: 							$symbFilter,
                   3472: 							$start_new_option);
                   3473: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3474: 						      'Select Resource(s) to print',
                   3475: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3476: 						      'RESOURCES',
                   3477: 						      'PAGESIZE',
                   3478: 						      $map,
                   3479: 						      $isNotMap, '',
                   3480: 						      $symbFilter,
                   3481: 						      $start_new_option);
1.121     bowersj2 3482: 
1.326     sakharuk 3483: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3484:     }
                   3485: 
1.546     bisitz   3486:     # If the user has pfo (print for others) allow them to print all 
                   3487:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3488:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3489:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3490:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3491: 
1.509     albertel 3492:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3493: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3494: 	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     3495: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3496:   <state name="STUDENTS1" title="Select People">
                   3497:       <message><b>Select sorting order of printout</b> </message>
                   3498:     <choices variable='student_sort'>
                   3499:       <choice computer='0'>Sort by section then student</choice>
                   3500:       <choice computer='1'>Sort by students across sections.</choice>
                   3501:     </choices>
                   3502:       <message><br /><hr /><br /> </message>
                   3503:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3504:   </state>
1.284     albertel 3505: ALL_PROBLEMS
1.562     foxr     3506:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3507: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3508: 							      'SelectProblem(s) to print',
                   3509: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3510: 							      'RESOURCES',
                   3511: 							      'PAGESIZE',
                   3512: 							      '',
                   3513: 							      $isProblemOrMap, $isNotMap,
                   3514: 							      $symbFilter,
                   3515: 							      $start_new_option) .
                   3516: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3517: 							      'Select Resource(s) to print',
                   3518: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3519: 							      'RESOURCES',
                   3520: 							      'PAGESIZE',
                   3521: 							      '',
                   3522: 							      $isNotMap,'',$symbFilter,
                   3523: 							      $start_new_option) .
                   3524: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3525: 							      'Select Problem(s) to print',
                   3526: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3527: 							      'RESOURCES',
                   3528: 							      'STUDENTS1',
                   3529: 							      '',
                   3530: 							      $isProblemOrMap,'' , $symbFilter,
                   3531: 							      $start_new_option) .
                   3532: 				     $suffixXml
                   3533: 				   );
1.132     bowersj2 3534: 
1.284     albertel 3535: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3536: 
                   3537: 	    # If we were looking at a page, allow a selection of problems from the page
                   3538: 	    # either for selected students or for coded assignments.
                   3539: 
                   3540: 	    if ($page_ispage) {
                   3541: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3542: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3543: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3544: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3545: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3546: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3547: 	    }
                   3548: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3549: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3550: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3551: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3552: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3553: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3554: 	}
1.424     foxr     3555: 
1.507     albertel 3556: 	my $randomly_ordered_warning = 
                   3557: 	    &get_randomly_ordered_warning($helper,$map);
                   3558: 
1.424     foxr     3559: 	# resource_selector will hold a few states that:
                   3560: 	#   - Allow resources to be selected for printing.
                   3561: 	#   - Determine pagination between assignments.
                   3562: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3563:         # TODO:
                   3564: 	#    Probably good to do things like separate this up into several vars, each
                   3565: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3566: 	#    and next states for better mix and match capability
                   3567: 	#
1.562     foxr     3568: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3569: 							  'Select resources to print',
                   3570: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3571: 							  'RESOURCES', 
                   3572: 							  'PRINT_FORMATTING',
1.571     droeschl 3573: 							  $map,
1.562     foxr     3574: 							  $isProblem, '', $symbFilter,
                   3575: 							  $start_new_option);
                   3576: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3577:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3578:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3579:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3580:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3581:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3582:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3583:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3584:     </choices>
1.424     foxr     3585:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3586:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3587:     <choices variable="SPLIT_PDFS">
                   3588:        <choice computer="all">All assignments in a single PDF file</choice>
                   3589:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3590:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3591:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3592:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3593:     </choices>
1.424     foxr     3594:     </state>
1.284     albertel 3595: RESOURCE_SELECTOR
1.562     foxr     3596:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3597: 							'Select Problem(s) to print',
                   3598: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3599: 							'RESOURCES',
                   3600: 							'PRINT_FORMATTING',
                   3601: 							$url,
                   3602: 							$isProblem, '',  $symbFilter,
                   3603: 							$start_new_option);
                   3604: 
                   3605: 
                   3606: # Generate student choosers.
                   3607: 
                   3608: 
1.284     albertel 3609: 
1.562     foxr     3610:         &Apache::lonxml::xmlparse($r, 'helper',
                   3611: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3612: 							    'student_sort',
                   3613: 							    'STUDENTS',
                   3614: 							    'CHOOSE_STUDENTS_PAGE'));
                   3615: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3616: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3617: 							    'student_sort',
                   3618: 							    'STUDENTS',
                   3619: 							    'SELECT_PROBLEMS'));
                   3620: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3621: 
1.373     albertel 3622: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3623: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3624:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3625: 	my $namechoice='<choice></choice>';
1.337     albertel 3626: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3627: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3628: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3629: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3630: 	}
1.389     foxr     3631: 
                   3632: 
                   3633: 	my %code_values;
1.405     albertel 3634: 	my %codes_to_print;
1.411     albertel 3635: 	foreach my $key (@names) {
1.389     foxr     3636: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3637: 	    foreach my $key (keys(%code_values)) {
                   3638: 		$codes_to_print{$key} = 1;
1.388     foxr     3639: 	    }
                   3640: 	}
1.389     foxr     3641: 
1.452     albertel 3642: 	my $code_selection;
1.405     albertel 3643: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3644: 	    my $choice  = $code;
                   3645: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3646: 		$choice = &letters_to_num($code);
                   3647: 	    }
1.432     albertel 3648: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3649: 	}
1.436     albertel 3650: 	if (%codes_to_print) {
                   3651: 	    $code_selection .='   
1.472     albertel 3652: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3653: 		<message></td><td></message>
1.452     albertel 3654: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3655:                   <choice></choice>
1.448     albertel 3656:                   <exec>
                   3657:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3658:                   </exec>
1.452     albertel 3659: 		</dropdown>
1.468     foxr     3660: 	    <message></td></tr><tr><td></message>
1.436     albertel 3661:             '.$/;
1.448     albertel 3662: 
1.436     albertel 3663: 	}
1.432     albertel 3664: 
1.542     raeburn  3665:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3666: 	my $codechoice='';
1.542     raeburn  3667: 	foreach my $line (@lines) {
1.381     albertel 3668: 	    my ($name,$description,$code_type,$code_length)=
                   3669: 		(split(/:/,$line))[0,1,2,4];
                   3670: 	    if ($code_length > 0 && 
                   3671: 		$code_type =~/^(letter|number|-1)/) {
                   3672: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3673: 	    }
                   3674: 	}
                   3675: 	if ($codechoice eq '') {
                   3676: 	    $codechoice='<choice computer="default">Default</choice>';
                   3677: 	}
1.562     foxr     3678: 	my $anon1 = &generate_code_selector($helper, 
                   3679: 					    'CHOOSE_ANON1',
                   3680: 					    'SELECT_PROBLEMS',
                   3681: 					    $codechoice,
                   3682: 					    $code_selection,
                   3683: 					    $namechoice) . $resource_selector;
                   3684: 					    
                   3685: 					    
                   3686:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3687: 
                   3688: 	my $anon_page = &generate_code_selector($helper,
                   3689: 						'CHOOSE_ANON1_PAGE',
                   3690: 						'SELECT_PROBLEMS_PAGE',
                   3691: 						$codechoice,
                   3692: 						$code_selection,
                   3693: 						$namechoice) .
                   3694: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3695: 						   'Select Problem(s) to print',
                   3696: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3697: 						   'RESOURCES',
                   3698: 						   'PRINT_FORMATTING',
                   3699: 						   $url,
                   3700: 						   $isProblem, '',  $symbFilter,
                   3701: 						   $start_new_option);
                   3702: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3703: 
1.272     sakharuk 3704: 
1.254     sakharuk 3705: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3706: 	    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'];
                   3707: 	    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 3708: 	}
1.284     albertel 3709: 	    
                   3710: 
                   3711: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3712:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3713:     $randomly_ordered_warning
1.424     foxr     3714:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3715:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3716:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3717:               closeallpages="1">
1.254     sakharuk 3718:       <filterfunc>return $isNotMap;</filterfunc>
                   3719:       <mapurl>$map</mapurl>
                   3720:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3721:       $start_new_option
1.254     sakharuk 3722:       </resource>
1.424     foxr     3723:     </state>
1.562     foxr     3724: 
1.424     foxr     3725:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3726:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3727:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3728:     <choices variable="EMPTY_PAGES">
                   3729:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3730:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3731:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3732:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3733:     </choices>
1.424     foxr     3734:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3735:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3736:     <choices variable="SPLIT_PDFS">
                   3737:        <choice computer="all">All assignments in a single PDF file</choice>
                   3738:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3739:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3740:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3741:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3742:     </choices>
1.424     foxr     3743:     </state>
1.284     albertel 3744: RESOURCE_SELECTOR
                   3745: 
                   3746: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3747:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3748:     <choices variable='student_sort'>
                   3749:       <choice computer='0'>Sort by section then student</choice>
                   3750:       <choice computer='1'>Sort by students across sections.</choice>
                   3751:     </choices>
1.437     foxr     3752:     <message><br /><hr /><br /></message>
1.426     foxr     3753:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3754: 
1.424     foxr     3755:     </state>
1.284     albertel 3756:     $resource_selector
1.254     sakharuk 3757: CHOOSE_STUDENTS1
                   3758: 
1.284     albertel 3759: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3760:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3761:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3762:     <message><h4>Fill out one of the forms below</h4></message>
                   3763:     <message><br /><hr /> <br /></message>
                   3764:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3765:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     3766:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 3767:        <validator>
                   3768: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3769: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3770: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3771: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3772: 	    return "You need to specify the number of assignments to print";
                   3773: 	}
1.578     foxr     3774:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   3775:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   3776:             return 'Specifying number of codes to print and a specific code is not compatible';
                   3777:         }
1.362     albertel 3778: 	return undef;
                   3779:        </validator>
                   3780:     </string>
                   3781:     <message></td></tr><tr><td></message>
1.501     albertel 3782:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3783:     <message></td><td></message>
                   3784:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3785:     <message></td></tr><tr><td></message>
                   3786:     <message><b>Bubble sheet type:</b></message>
                   3787:     <message></td><td></message>
                   3788:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3789:     $codechoice
                   3790:     </dropdown>
1.472     albertel 3791:     <message></td></tr><tr><td></table></message>
                   3792:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3793:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3794:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3795:         <validator>
                   3796: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3797: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3798: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3799: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3800: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     3801: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     3802: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     3803: 	   } else {
                   3804: 	       return undef;	# Other forces control us.
                   3805: 	   }
                   3806:         </validator>
                   3807:     </string>
1.472     albertel 3808:     <message></td></tr><tr><td></message>
1.432     albertel 3809:         $code_selection
1.472     albertel 3810:     <message></td></tr></table></message>
                   3811:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3812:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3813:     <message></td><td></message>
1.294     albertel 3814:     <dropdown variable="REUSE_OLD_CODES">
                   3815:         $namechoice
                   3816:     </dropdown>
1.412     albertel 3817:     <message></td></tr></table></message>
1.424     foxr     3818:   </state>
1.284     albertel 3819:     $resource_selector
                   3820: CHOOSE_ANON2
1.481     albertel 3821:     }
                   3822: 
1.121     bowersj2 3823:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3824:     if (($perm{'pav'} 
1.482     albertel 3825: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3826: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3827: 	    ||
                   3828: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3829: 	     && 
                   3830: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3831: 	    )) 
                   3832: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3833: 	) {
                   3834: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3835:         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 3836:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3837:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3838: 
1.138     bowersj2 3839:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3840:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3841:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3842: CHOOSE_FROM_SUBDIR
                   3843:         
1.238     bowersj2 3844:         # this is broken up because I really want interpolation above,
                   3845:         # and I really DON'T want it below
1.139     bowersj2 3846:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3847:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3848: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3849:       </filefilter>
1.138     bowersj2 3850:       </files>
1.131     bowersj2 3851:     </state>
                   3852: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3853:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3854:     }
1.238     bowersj2 3855: 
                   3856:     # Allow the user to select any sequence in the course, feed it to
                   3857:     # another resource selector for that sequence
1.483     foxr     3858:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3859: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3860: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3861: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3862: 	#Escape apostrophes and backslashes for Perl
                   3863: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3864: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3865: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3866:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3867:     <message>Select the sequence to print resources from:</message>
                   3868:     <resource variable="SEQUENCE">
                   3869:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3870:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3871:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3872:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3873: 	</choicefunc>
1.238     bowersj2 3874:       </resource>
                   3875:     </state>
                   3876:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3877:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3878:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3879:               closeallpages="1">
1.238     bowersj2 3880:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3881:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3882:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3883:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3884:       $start_new_option
1.238     bowersj2 3885:       </resource>
                   3886:     </state>
                   3887: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3888: }
1.481     albertel 3889: 
1.131     bowersj2 3890:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3891:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3892:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3893:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3894:     Apache::lonhelper::message->new();
                   3895:     $paramHash = Apache::lonhelper::getParamHash();
                   3896:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3897:     $paramHash->{CHOICES} = $printChoices;
                   3898:     Apache::lonhelper::choices->new();
1.161     bowersj2 3899: 
1.223     bowersj2 3900:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3901:                           # to close it later)
                   3902: 
1.397     albertel 3903:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3904: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3905: 	&addMessage('<br />'
                   3906:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3907:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3908:                    .&Apache::lonhtmlcommon::row_title(
                   3909:                        '<label for="ANSWER_TYPE_forminput">'
                   3910:                       .&mt('Print Answers')
                   3911:                       .'</label>'
                   3912:                     )
                   3913:         );
1.161     bowersj2 3914:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3915: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3916: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3917:         $paramHash->{CHOICES} = [
1.242     sakharuk 3918:                                    ['Without Answers', 'yes'],
                   3919:                                    ['With Answers', 'no'],
1.368     albertel 3920:                                    ['Only Answers', 'only']
1.289     sakharuk 3921:                                 ];
1.210     sakharuk 3922:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3923: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3924: 	$startedTable = 1;
1.556     foxr     3925: 
                   3926: #
                   3927: #  Select font size.
                   3928: #
                   3929: 
                   3930:             $helper->declareVar('fontsize');
                   3931:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3932:             my $xmlfrag = << "FONT_SELECTION";
                   3933: 
                   3934:           
                   3935:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3936:             <defaultvalue>
                   3937: 		  return 'normalsize';
                   3938:             </defaultvalue>
                   3939:             <choice computer='tiny'>Tiny</choice>
                   3940:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3941:             <choice computer='footnotesize'>Footnote Size</choice>
                   3942:             <choice computer='small'>Small</choice>
                   3943:             <choice computer='normalsize'>Normal (default)</choice>
                   3944:             <choice computer='large'>larger than normal</choice>
                   3945:             <choice computer='Large'>Even larger than normal</choice>
                   3946:             <choice computer='LARGE'>Still larger than normal</choice>
                   3947:             <choice computer='huge'>huge font size</choice>
                   3948:             <choice computer='Huge'>Largest possible size</choice>
                   3949:             </dropdown>
                   3950: FONT_SELECTION
                   3951:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3952:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3953:     }
1.209     sakharuk 3954: 
1.397     albertel 3955:     if ($perm{'pav'}) {
1.223     bowersj2 3956: 	if (!$startedTable) {
1.497     www      3957: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3958:                        '<label for="LATEX_TYPE_forminput">'.
                   3959:                        &mt('LaTeX mode').
                   3960:                        "</label>: </td><td>");
1.223     bowersj2 3961: 	    $startedTable = 1;
                   3962: 	} else {
1.544     bisitz   3963: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3964:                            '<label for="LATEX_TYPE_forminput">'
                   3965:                            .&mt('LaTeX mode')
                   3966:                            .'</label>'
                   3967:                         )
                   3968:             );
1.223     bowersj2 3969: 	}
1.203     sakharuk 3970:         $paramHash = Apache::lonhelper::getParamHash();
                   3971: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3972: 	$helper->declareVar('LATEX_TYPE');  
                   3973: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3974: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3975: 				     ['standard LaTeX mode', 'standard'], 
                   3976: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3977: 	} else {
                   3978: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3979: 				     ['LaTeX batchmode', 'batchmode'],
                   3980: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3981: 	}
1.210     sakharuk 3982:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3983:  
1.544     bisitz   3984: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3985:                    .&Apache::lonhtmlcommon::row_title(
                   3986:                         '<label for="TABLE_CONTENTS_forminput">'
                   3987:                        .&mt('Print Table of Contents')
                   3988:                        .'</label>'
                   3989:                     )
                   3990:         );
1.209     sakharuk 3991:         $paramHash = Apache::lonhelper::getParamHash();
                   3992: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3993: 	$helper->declareVar('TABLE_CONTENTS');         
                   3994:         $paramHash->{CHOICES} = [
1.223     bowersj2 3995:                                    ['No', 'no'],
                   3996:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3997:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3998: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3999:         
1.220     sakharuk 4000: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   4001: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4002:                             '<label for="TABLE_INDEX_forminput">'
                   4003:                            .&mt('Print Index')
                   4004:                            .'</label>'
                   4005:                         )
                   4006:             );
1.220     sakharuk 4007: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4008: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   4009: 	    $helper->declareVar('TABLE_INDEX');         
                   4010: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4011: 				     ['No', 'no'],
                   4012: 				     ['Yes', 'yes'] ];
1.220     sakharuk 4013: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4014:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   4015:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   4016:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   4017:                            .&mt('Print Discussions')
                   4018:                            .'</label>'
                   4019:                         )
                   4020:             );
1.309     sakharuk 4021: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4022: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4023: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4024: 	    $paramHash->{CHOICES} = [
                   4025: 				     ['No', 'no'],
                   4026: 				     ['Yes', 'yes'] ];
                   4027: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4028:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4029: 
1.511     foxr     4030: 	    # Prompt for printing annotations too.
                   4031: 		
1.545     bisitz   4032: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4033:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4034:                            .&mt('Print Annotations')
                   4035:                            .'</label>'
                   4036:                         )
                   4037:             );
1.511     foxr     4038: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4039: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4040: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4041: 	    $paramHash->{CHOICES} = [
                   4042: 				     ['No', 'no'],
                   4043: 				     ['Yes', 'yes']];
                   4044: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4045:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4046: 
1.545     bisitz   4047:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4048: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4049: 	    $paramHash->{'multichoice'} = "true";
                   4050: 	    $paramHash->{'allowempty'}  = "true";
                   4051: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4052: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4053: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4054:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4055: 	}
1.219     sakharuk 4056: 
1.230     albertel 4057: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4058: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4059:             my $randseedtext=&mt("Use random seed");
                   4060:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4061:             my $selectfiletext=&mt("Select style file");
1.497     www      4062: 
1.544     bisitz   4063: 	    my $xmlfrag .= '<message>'
                   4064:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4065:                                               .$randseedtext
                   4066:                                               .'</label>'
                   4067:              )
                   4068:             .'</message>
                   4069:             <string variable="curseed" size="15" maxlength="15">
                   4070:                 <defaultvalue>
                   4071:                    return '.$helper->{VARS}->{'curseed'}.';
                   4072:                 </defaultvalue>'
                   4073:             .'</string>'
                   4074:             .'<message>'
                   4075:             .&Apache::lonhtmlcommon::row_closure()
                   4076:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4077:                                               .$stylefiletext
                   4078:                                               .'</label>'
                   4079:              )
                   4080:             .'</message>
1.504     albertel 4081:              <string variable="style_file" size="40">
1.544     bisitz   4082:                 <defaultvalue>
                   4083:                     return '.$stylevalue.';
                   4084:                 </defaultvalue>
                   4085:              </string><message>&nbsp;'
                   4086: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4087: .$selectfiletext.'</a>'
                   4088:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4089:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4090:             .'</message>
1.371     foxr     4091: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4092:                 <choice computer="1">&nbsp;</choice>
                   4093:              </choices>'
                   4094: 	    .'<message>'
                   4095:             .&Apache::lonhtmlcommon::row_closure()
                   4096:             .'</message>';
1.230     albertel 4097:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4098: 
                   4099: 
1.544     bisitz   4100:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4101: 	    #
                   4102: 	    # Initial value from construction space:
                   4103: 	    #
                   4104: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4105: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4106: 	    }
1.518     foxr     4107: 	    $xmlfrag = << "PROBTYPE";
                   4108: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4109: 		   <defaultvalue>
                   4110: 		      return "$helper->{VARS}->{'probstatus'}";
                   4111:                    </defaultvalue>
                   4112: 		   <choice computer="problem">Homework Problem</choice>
                   4113: 		   <choice computer="exam">Exam Problem</choice>
                   4114: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4115:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4116: 		</dropdown>
                   4117: PROBTYPE
                   4118:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4119:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4120: 
1.556     foxr     4121: 
                   4122: 
1.544     bisitz   4123:         }
1.223     bowersj2 4124:     }
1.264     sakharuk 4125: 
                   4126: 
                   4127: 
1.218     sakharuk 4128: 
1.223     bowersj2 4129:     if ($startedTable) {
1.544     bisitz   4130:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4131:     }
1.161     bowersj2 4132: 
1.131     bowersj2 4133:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4134: 
1.144     bowersj2 4135:     # Generate the PAGESIZE state which will offer the user the margin
                   4136:     # choices if they select one column
                   4137:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4138:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4139: 
                   4140: 
1.131     bowersj2 4141:     $helper->process();
                   4142: 
1.416     foxr     4143: 
1.131     bowersj2 4144:     # MANUAL BAILOUT CONDITION:
                   4145:     # If we're in the "final" state, bailout and return to handler
                   4146:     if ($helper->{STATE} eq 'FINAL') {
                   4147:         return $helper;
                   4148:     }    
1.130     sakharuk 4149: 
1.584   ! raeburn  4150:     my $footer;
1.395     www      4151:     if ($helper->{STATE} eq 'START') {
1.584   ! raeburn  4152:         my $prtspool=$r->dir_config('lonPrtDir'); 
        !          4153: 	$footer = &recently_generated($prtspool);
1.395     www      4154:     }
1.584   ! raeburn  4155:     $r->print($helper->display($footer));
1.333     albertel 4156:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4157: 
                   4158:     return OK;
                   4159: }
                   4160: 
1.1       www      4161: 
                   4162: 1;
1.119     bowersj2 4163: 
                   4164: package Apache::lonprintout::page_format_state;
                   4165: 
                   4166: =pod
                   4167: 
1.131     bowersj2 4168: =head1 Helper element: page_format_state
                   4169: 
                   4170: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4171: 
1.131     bowersj2 4172: Apache::lonprintout::page_format_state is an element that gives the 
                   4173: user an opportunity to select the page layout they wish to print 
                   4174: with: Number of columns, portrait/landscape, and paper size. If you 
                   4175: want to change the paper size choices, change the @paperSize array 
                   4176: contents in this package.
1.119     bowersj2 4177: 
1.131     bowersj2 4178: page_format_state is always directly invoked in lonprintout.pm, so there
                   4179: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4180: 
                   4181: =over 4
                   4182: 
1.131     bowersj2 4183: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4184: 
                   4185: =back
                   4186: 
                   4187: =cut
                   4188: 
1.131     bowersj2 4189: use Apache::lonhelper;
1.119     bowersj2 4190: 
                   4191: no strict;
1.131     bowersj2 4192: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4193: use strict;
1.266     sakharuk 4194: use Apache::lonlocal;
1.373     albertel 4195: use Apache::lonnet;
1.119     bowersj2 4196: 
                   4197: my $maxColumns = 2;
1.376     albertel 4198: # it'd be nice if these all worked
                   4199: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4200: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4201: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4202: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4203: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4204: 		 "a4 [210x297 mm]");
1.119     bowersj2 4205: 
                   4206: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4207: #                   Paper type
                   4208: 
                   4209: sub new { 
1.131     bowersj2 4210:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4211: 
1.135     bowersj2 4212:     shift;
                   4213: 
1.131     bowersj2 4214:     $self->{'variable'} = shift;
1.134     bowersj2 4215:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4216:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4217:     bless($self);
1.119     bowersj2 4218:     return $self;
                   4219: }
                   4220: 
                   4221: sub render {
                   4222:     my $self = shift;
1.131     bowersj2 4223:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4224:     my $result = '';
1.131     bowersj2 4225:     my $var = $self->{'variable'};
1.266     sakharuk 4226:     my $PageLayout=&mt('Page layout');
                   4227:     my $NumberOfColumns=&mt('Number of columns');
                   4228:     my $PaperType=&mt('Paper type');
1.506     albertel 4229:     my $landscape=&mt('Landscape');
                   4230:     my $portrait=&mt('Portrait');
1.539     onken    4231:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4232:     my $with=&mt('with Formfields');
                   4233:     my $without=&mt('without Formfields');
1.556     foxr     4234:     
                   4235: 
1.544     bisitz   4236:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4237:             .&Apache::loncommon::start_data_table()
                   4238:             .&Apache::loncommon::start_data_table_header_row()
                   4239:             .'<th>'.$PageLayout.'</th>'
                   4240:             .'<th>'.$NumberOfColumns.'</th>'
                   4241:             .'<th>'.$PaperType.'</th>'
                   4242:             .'<th>'.$pdfFormLabel.'</th>'
                   4243:             .&Apache::loncommon::end_data_table_header_row()
                   4244:             .&Apache::loncommon::start_data_table_row()
                   4245:     .'<td>'
                   4246:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4247:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4248:     .'</td>';
1.119     bowersj2 4249: 
1.544     bisitz   4250:     $result.='<td align="center">'
                   4251:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4252: 
                   4253:     my $i;
                   4254:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4255:         if ($i == 2) {
1.553     bisitz   4256:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4257:         } else {
1.553     bisitz   4258:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4259:         }
                   4260:     }
                   4261: 
                   4262:     $result .= "</select></td><td>\n";
                   4263:     $result .= "<select name='${var}.paper'>\n";
                   4264: 
1.373     albertel 4265:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4266:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4267:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4268:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4269:     $i = 0;
                   4270:     foreach (@paperSize) {
1.326     sakharuk 4271: 	$_=~/(\w+)/;
                   4272: 	my $papersize=$1;
1.304     sakharuk 4273:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4274:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4275:         } else {
1.553     bisitz   4276:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4277:         }
                   4278:         $i++;
                   4279:     }
1.539     onken    4280:     $result .= <<HTML;
                   4281:         </select>
                   4282:     </td>
                   4283:     <td align='center'>
                   4284:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4285:             <option selected="selected" value="no">$without</option>
                   4286:             <option value="yes">$with</option>
1.539     onken    4287:         </select>
                   4288:     </td>
                   4289: HTML
1.544     bisitz   4290:     $result.=&Apache::loncommon::end_data_table_row()
                   4291:             .&Apache::loncommon::end_data_table();
1.539     onken    4292: 
1.119     bowersj2 4293:     return $result;
1.135     bowersj2 4294: }
                   4295: 
                   4296: sub postprocess {
                   4297:     my $self = shift;
                   4298: 
                   4299:     my $var = $self->{'variable'};
1.136     bowersj2 4300:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4301:     $helper->{VARS}->{$var} = 
1.373     albertel 4302:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4303:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4304:     return 1;
1.119     bowersj2 4305: }
                   4306: 
                   4307: 1;
1.144     bowersj2 4308: 
                   4309: package Apache::lonprintout::page_size_state;
                   4310: 
                   4311: =pod
                   4312: 
                   4313: =head1 Helper element: page_size_state
                   4314: 
                   4315: See lonhelper.pm documentation for discussion of the helper framework.
                   4316: 
                   4317: Apache::lonprintout::page_size_state is an element that gives the 
                   4318: user the opportunity to further refine the page settings if they
                   4319: select a single-column page.
                   4320: 
                   4321: page_size_state is always directly invoked in lonprintout.pm, so there
                   4322: is no tag interface. You actually pass parameters to the constructor.
                   4323: 
                   4324: =over 4
                   4325: 
                   4326: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4327: 
                   4328: =back
                   4329: 
                   4330: =cut
                   4331: 
                   4332: use Apache::lonhelper;
1.373     albertel 4333: use Apache::lonnet;
1.144     bowersj2 4334: no strict;
                   4335: @ISA = ("Apache::lonhelper::element");
                   4336: use strict;
                   4337: 
                   4338: 
                   4339: 
                   4340: sub new { 
                   4341:     my $self = Apache::lonhelper::element->new();
                   4342: 
                   4343:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4344:            # package descriptor)... - Jeremy
                   4345: 
                   4346:     $self->{'variable'} = shift;
                   4347:     my $helper = Apache::lonhelper::getHelper();
                   4348:     $helper->declareVar($self->{'variable'});
                   4349: 
                   4350:     # The variable name of the format element, so we can look into 
                   4351:     # $helper->{VARS} to figure out whether the columns are one or two
                   4352:     $self->{'formatvar'} = shift;
                   4353: 
1.463     foxr     4354: 
1.144     bowersj2 4355:     $self->{NEXTSTATE} = shift;
                   4356:     bless($self);
1.467     foxr     4357: 
1.144     bowersj2 4358:     return $self;
                   4359: }
                   4360: 
                   4361: sub render {
                   4362:     my $self = shift;
                   4363:     my $helper = Apache::lonhelper::getHelper();
                   4364:     my $result = '';
                   4365:     my $var = $self->{'variable'};
                   4366: 
1.467     foxr     4367: 
                   4368: 
1.144     bowersj2 4369:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4370:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4371:     }
                   4372: 
1.438     foxr     4373:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4374: 
                   4375:     # Use format to get sensible defaults for the margins:
                   4376: 
                   4377: 
                   4378:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4379:     ($papersize)                      = split(/ /, $papersize);
                   4380: 
1.559     foxr     4381:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4382: 
                   4383: 
                   4384: 
1.464     albertel 4385:     my %size;
                   4386:     ($size{'width_and_units'},
                   4387:      $size{'height_and_units'},
                   4388:      $size{'margin_and_units'})=
                   4389: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4390:     
1.464     albertel 4391:     foreach my $dimension ('width','height','margin') {
                   4392: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4393: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4394:        	
                   4395: 	foreach my $unit ('cm','in') {
                   4396: 	    $size{$dimension.'_options'} .= '<option ';
                   4397: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4398: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4399: 	    }
                   4400: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4401: 	}
1.438     foxr     4402:     }
                   4403: 
1.470     foxr     4404:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4405: 
                   4406:     if ($size{'margin_unit'} eq 'in') {
                   4407: 	$size{'margin'} += 1;
                   4408:     }  else {
                   4409: 	$size{'margin'} += 2.54;
                   4410:     }
1.548     bisitz   4411:     my %lt = &Apache::lonlocal::texthash(
                   4412:         'format' => 'How should each column be formatted?',
                   4413:         'width'  => 'Width',
                   4414:         'height' => 'Height',
                   4415:         'margin' => 'Left Margin'
                   4416:     );
                   4417: 
                   4418:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4419:               .&Apache::lonhtmlcommon::start_pick_box()
                   4420:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4421:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4422:               .'<select name="'.$var.'.widthunit">'
                   4423:               .$size{'width_options'}
                   4424:               .'</select>'
                   4425:               .&Apache::lonhtmlcommon::row_closure()
                   4426:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4427:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4428:               .'<select name="'.$var.'.heightunit">'
                   4429:               .$size{'height_options'}
                   4430:               .'</select>'
                   4431:               .&Apache::lonhtmlcommon::row_closure()
                   4432:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4433:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4434:               .'<select name="'.$var.'.lmarginunit">'
                   4435:               .$size{'margin_options'}
                   4436:               .'</select>'
                   4437:               .&Apache::lonhtmlcommon::row_closure(1)
                   4438:               .&Apache::lonhtmlcommon::end_pick_box();
                   4439:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4440:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4441: 
                   4442:     return $result;
                   4443: }
                   4444: 
1.470     foxr     4445: 
1.144     bowersj2 4446: sub preprocess {
                   4447:     my $self = shift;
                   4448:     my $helper = Apache::lonhelper::getHelper();
                   4449: 
                   4450:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4451: 
                   4452:     #  If the user does not have 'pav' privilege, set default widths and
                   4453:     #  on to the next state right away.
                   4454:     #
                   4455:     if (!$perm{'pav'}) {
                   4456: 	my $var = $self->{'variable'};
                   4457: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4458: 	
                   4459: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4460: 	($papersize)                      = split(/ /, $papersize);
                   4461: 	
                   4462: 	
1.560     foxr     4463: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4464: 
1.467     foxr     4465: 	#  Figure out some good defaults for the print out and set them:
                   4466: 	
                   4467: 	my %size;
                   4468: 	($size{'width'},
                   4469: 	 $size{'height'},
                   4470: 	 $size{'lmargin'})=
                   4471: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4472: 	
                   4473: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4474: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4475: 	    	    
1.467     foxr     4476: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4477: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4478: 	    
                   4479: 	}
                   4480: 	
                   4481: 
                   4482: 	# Transition to the next state
                   4483: 
                   4484: 	$helper->changeState($self->{NEXTSTATE});
                   4485:     }
1.144     bowersj2 4486:    
                   4487:     return 1;
                   4488: }
                   4489: 
                   4490: sub postprocess {
                   4491:     my $self = shift;
                   4492: 
                   4493:     my $var = $self->{'variable'};
                   4494:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4495:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4496:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4497:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4498:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4499:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4500:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4501: 
                   4502:     my $error = '';
                   4503: 
                   4504:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4505:     # by an optional period, followed by digits, ending the string
                   4506: 
1.464     albertel 4507:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4508:         $error .= "Invalid width; please type only a number.<br />\n";
                   4509:     }
1.464     albertel 4510:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4511:         $error .= "Invalid height; please type only a number.<br />\n";
                   4512:     }
1.464     albertel 4513:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4514:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4515:     } else {
                   4516: 	# Adjust for LaTeX 1.0 inch margin:
                   4517: 
                   4518: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4519: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4520: 	} else {
                   4521: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4522: 	}
1.144     bowersj2 4523:     }
                   4524: 
                   4525:     if (!$error) {
                   4526:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4527:         return 1;
                   4528:     } else {
                   4529:         $self->{ERROR_MSG} = $error;
                   4530:         return 0;
                   4531:     }
                   4532: }
                   4533: 
                   4534: 
1.119     bowersj2 4535: 
1.1       www      4536: __END__
1.6       sakharuk 4537: 

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