Annotation of loncom/interface/lonprintout.pm, revision 1.583.2.4

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.583.2.4! raeburn     5: # $Id: lonprintout.pm,v 1.583.2.3 2010/09/02 00:17:36 raeburn Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.511     foxr       48: 
1.491     albertel   49: use LONCAPA::map();
1.34      sakharuk   50: use POSIX qw(strftime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
                     79: #  Returns the text needd for a student chooser.
                     80: #  that text must still be parsed by the helper xml parser.
                     81: # Parameters:
                     82: #   this_state   - State name of the chooser.
                     83: #   sort_choice  - variable to hold the sorting choice.
                     84: #   variable     - Name of variable to hold students.
                     85: #   next_state   - State after chooser.
                     86: 
                     87: 
                     88: sub generate_student_chooser {
                     89:     my ($this_state, 
                     90: 	$sort_choice, 
                     91: 	$variable, 
                     92: 	$next_state) = @_;
                     93:     my $result = <<CHOOSE_STUDENTS;
                     94:   <state name="$this_state" title="Select Students and Resources">
                     95:       <message><b>Select sorting order of printout</b> </message>
                     96: 
                     97:     <choices variable="$sort_choice">
                     98:       <choice computer='0'>Sort by section then student</choice>
                     99:       <choice computer='1'>Sort by students across sections.</choice>
                    100:     </choices>
                    101: 
                    102:       <message><br /><hr /><br /> </message>
                    103:       <student multichoice='1' 
                    104:                variable="$variable" 
                    105:                nextstate="$next_state" 
                    106:                coursepersonnel="1" />
                    107:   </state>
                    108: 
                    109: CHOOSE_STUDENTS
                    110: 
                    111:   return $result;
                    112: }
                    113: 
                    114: # Generate the text needed for a resource chooser given the top level of
                    115: # the sequence/page
                    116: #
                    117: # Parameters:
                    118: #     this_state    - State name of the chooser.
                    119: #     prompt_text   - Text to use to prompt user.
                    120: #     resource_options - Resource tag options e.g.
                    121: #                        "multichoice='1', toponly='1', addstatus='1'"
                    122: #                     that control the selection and appearance of the
                    123: #                     resource selector.
                    124: #     variable      - Name of the variable to hold the choice
                    125: #     next_state    - Name of the next state the helper should transition
                    126: #                     to
                    127: #     top_url       - Top level URL within which to make the selector.
                    128: #                     If empty the top level sequence is shown.
                    129: #     filter        - How to filter the resources.
                    130: #     value_func    - <valuefunc> function.
                    131: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    132: #     start_new_option 
                    133: #                   - Fragment appended after valuefunc.
                    134: #
                    135: #
                    136: sub generate_resource_chooser {
                    137:     my ($this_state,
                    138: 	$prompt_text,
                    139: 	$resource_options,
                    140: 	$variable,
                    141: 	$next_state,
                    142: 	$top_url,
                    143: 	$filter,
                    144: 	$choice_func,
                    145: 	$value_func,
                    146: 	$start_new_option)  = @_;
                    147: 
                    148:     my $result = <<CHOOSE_RESOURCES;
                    149: <state name="$this_state" title="$prompt_text">
                    150:     <resource variable="$variable" $resource_options
                    151:               closeallpages="1">
                    152:       <nextstate>$next_state</nextstate>
                    153:       <filterfunc>return $filter;</filterfunc>
                    154: CHOOSE_RESOURCES
                    155:     if ($choice_func ne '') {
                    156: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    157:     }
                    158:     if ($top_url ne '') {
                    159: 	$result .=  "<mapurl>$top_url</mapurl>";
                    160:     }
                    161:     $result .= <<CHOOSE_RESOURCES;
                    162:       <valuefunc>return $value_func;</valuefunc>
                    163:       $start_new_option
                    164:       </resource>
                    165:     </state>
                    166: CHOOSE_RESOURCES
                    167: 
                    168:     return $result;
                    169: }
                    170: #
                    171: #   Generate the helper XML for a code choice helper dialog:
                    172: #
                    173: # Paramters:
                    174: #   $helper       - Reference to the helper.
                    175: #   $state        - Name of the state for the chooser.
                    176: #   $next_state   - Name fo the state to follow the chooser.
                    177: #   $bubble_types - Populates the bubble sheet type dropt down.
                    178: #   $code_selections - Provides set of code choices that have been used
                    179: #   $saved_codes  - Provides the list of saved codes.
                    180: #
                    181: # Returns;
                    182: #   The Xml of the code chooser.
                    183: #
                    184: sub generate_code_selector {
                    185:     my ($helper,
                    186: 	$state,
                    187: 	$next_state,
                    188: 	$bubble_types,
                    189: 	$code_selections,
                    190: 	$saved_codes) = @_;	# Unpack the parameters.
                    191: 
                    192:     my $result = <<CHOOSE_ANON1;
                    193:   <state name="$state" title="Specify CODEd Assignments">
                    194:     <nextstate>$next_state</nextstate>
                    195:     <message><h4>Fill out one of the forms below</h4></message>
                    196:     <message><br /><hr /> <br /></message>
                    197:     <message><h3>Generate new CODEd Assignments</h3></message>
                    198:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    205: 
1.562     foxr      206: 	    return "You need to specify the number of assignments to print";
                    207: 	}
1.578     foxr      208:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    209:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    210:             return 'Specifying number of codes to print and a specific code is not compatible';
                    211:         }
1.562     foxr      212: 	return undef;
                    213:        </validator>
                    214:     </string>
                    215:     <message></td></tr><tr><td></message>
                    216:     <message><b>Names to save the CODEs under for later:</b></message>
                    217:     <message></td><td></message>
                    218:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    219:     <message></td></tr><tr><td></message>
                    220:     <message><b>Bubble sheet type:</b></message>
                    221:     <message></td><td></message>
                    222:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    223:     $bubble_types
                    224:     </dropdown>
                    225:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    226:     <message></td></tr><tr><td></table></message>
                    227:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    228:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    229:     <string variable="SINGLE_CODE" size="10">
                    230:         <validator>
                    231: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    232: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    233: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    234: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    235: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      236: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      237: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      238: 	   } else {
                    239: 	       return undef;	# Other forces control us.
                    240: 	   }
                    241:         </validator>
                    242:     </string>
                    243:     <message></td></tr><tr><td></message>
                    244:         $code_selections
                    245:     <message></td></tr></table></message>
                    246:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    247:     <message><b>Select saved CODEs:</b></message>
                    248:     <message></td><td></message>
                    249:     <dropdown variable="REUSE_OLD_CODES">
                    250:         $saved_codes
                    251:     </dropdown>
                    252:     <message></td></tr></table></message>
                    253:   </state>
                    254: CHOOSE_ANON1
                    255: 
                    256:    return $result;
                    257: }
                    258: 
                    259: #-----------------------------------------------------------------------
                    260: 
1.515     foxr      261: 
1.498     foxr      262: # Fetch the contents of a resource, uninterpreted.
                    263: # This is used here to fetch a latex file to be included
                    264: # verbatim into the printout<
                    265: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    266: #
                    267: # Parameters:
                    268: #   URL of the file
                    269: #
                    270: sub fetch_raw_resource {
                    271:     my ($url) = @_;
                    272: 
                    273:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      274:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      275: 
1.500     foxr      276:     if ($contents == -1) {
                    277: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      278:     }
1.500     foxr      279:     return $contents;
1.498     foxr      280: 
                    281:     
                    282: }
                    283: 
1.511     foxr      284: #  Fetch the annotations associated with a URL and 
                    285: #  put a centered 'annotations:' title.
                    286: #  This is all suppressed if the annotations are empty.
                    287: #
                    288: sub annotate {
                    289:     my ($symb) = @_;
                    290: 
1.559     foxr      291:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      292: 
                    293: 
                    294:     my $result = "";
                    295: 
                    296:     if (length($annotation_text) > 0) {
                    297: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    298: 	$result .= "\n";
                    299: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    300: 	$result .= "\n\n";
                    301:     }
                    302:     return $result;
                    303: }
                    304: 
1.556     foxr      305: #
                    306: #   Set a global document font size:
                    307: #   This is done by replacing \begin{document}
                    308: #   with \begin{document}{\some-font-directive
                    309: #   and \end{document} with
                    310: #   }\end{document
                    311: #
                    312: sub set_font_size {
                    313: 
                    314:     my ($text) = @_;
                    315: 
1.575     foxr      316:     # There appear to be cases where the font directive is empty.. in which
                    317:     # case the first substituion would  insert a spurious \ oh happy day.
                    318:     # as this has been the cause of much mystery and hair pulling _sigh_
                    319: 
                    320:     if ($font_size ne '') {
                    321: 
                    322: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    323:     }
1.556     foxr      324:     $text =~ s/\\end{document}/}\\end{document}/;
                    325:     return $text;
                    326: 
                    327: 
                    328: }
                    329: 
1.550     foxr      330: # include_pdf - PDF files are included into the 
                    331: # output as follows:
                    332: #  - The PDF, if necessary, is replicated.
                    333: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    334: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    335: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    336: #
                    337: # Parameters:
                    338: #   pdf_uri   - URI of the PDF file to include.
                    339: #   
                    340: # Returns:
                    341: #  The LaTeX to include.
                    342: #
                    343: # Assumptions:
                    344: #    The uri is actually a PDF file
                    345: #    The postscript will have the includepsheader.ps included.
                    346: #
                    347: #
                    348: sub include_pdf {
                    349:     my ($pdf_uri) = @_;
                    350: 
                    351:     # Where is the file? If not local we'll need to repcopy it:'
                    352: 
                    353:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    354:     if (! -e $file) {
                    355: 	&Apache::lonnet::repcopy($file);
                    356: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    357:     }
                    358: 
                    359:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    360:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    361:     # need tob e converted for this print job:
                    362: 
                    363:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    364: 
                    365:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    366:     print FILE ("$file\n");
                    367:     close (FILE);
                    368: 
                    369:     # Construct the special to put out.  To do this we need to get the
                    370:     # resulting filename after conversion.  The file will have the same name
                    371:     # but will be in the user's spool directory with converted images.
                    372: 
                    373:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    374:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    375: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    376:     $base =~ s/ /\_/g;
                    377: 
                    378: 
1.551     foxr      379:     my $output = &print_latex_header();
1.550     foxr      380:     $output    .= '\special{ps: _begin_job_ ('
                    381: 	.$base.'.pdf.eps'.
                    382: 	')run _end_job_}';
                    383: 
                    384:     return $output;
                    385: 
                    386: 
                    387: }
                    388: 
1.515     foxr      389: 
                    390: #
1.559     foxr      391: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      392: #                      if the ssi call returns an error we'll retry it up to
                    393: #                      the number of times requested by the caller.
                    394: #                      If we still have a proble, no text is appended to the
                    395: #                      output and we set some global variables.
1.523     raeburn   396: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      397: #                      All of this is supposed to deal with the issues described
                    398: #                      in LonCAPA BZ 5631 see:
                    399: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    400: #                      by informing the user that this happened.
                    401: #
                    402: # Parameters:
                    403: #   resource   - The resource to include.  This is passed directly, without
                    404: #                interpretation to lonnet::ssi.
                    405: #   form       - The form hash parameters that guide the interpretation of the resource
                    406: #                
                    407: #   retries    - Number of retries allowed before giving up completely.
                    408: # Returns:
                    409: #   On success, returns the rendered resource identified by the resource parameter.
                    410: # Side Effects:
                    411: #   The following global variables can be set:
1.523     raeburn   412: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      413: #                               It is up to the caller to initialize this to false
                    414: #                               if desired.
1.523     raeburn   415: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      416: #                               of the resource that could not be rendered by the ssi
                    417: #                               call.
                    418: #    ssi_last_error           - The error string fetched from the ssi response
                    419: #                               in the event of an error.
                    420: #
                    421: sub ssi_with_retries {
                    422:     my ($resource, $retries, %form) = @_;
                    423: 
1.559     foxr      424:     my $target = $form{'grade_target'};
                    425:     my $aom    = $form{'answer_output_mode'};
                    426: 
                    427: 
1.515     foxr      428: 
1.516     foxr      429:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    430:     if (!$response->is_success) {
1.515     foxr      431: 	$ssi_error               = 1;
                    432: 	$ssi_last_error_resource = $resource;
1.516     foxr      433: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   434:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      435: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      436:     }
1.516     foxr      437: 
                    438:     return $content;
                    439: 
1.515     foxr      440: }
                    441: 
1.524     www       442: sub get_student_view_with_retries {
                    443:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    444: 
                    445:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    446:     if (!$response->is_success) {
                    447:         $ssi_error               = 1;
1.526     www       448:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       449:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   450:         $content='\section*{!!! An error occurred !!!}';
1.526     www       451:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       452:     }
                    453:     return $content;
                    454: 
                    455: }
                    456: 
1.486     foxr      457: #
                    458: #   printf_style_subst  item format_string repl
                    459: #  
                    460: # Does printf style substitution for a format string that
                    461: # can have %[n]item in it.. wherever, %[n]item occurs,
                    462: # rep is substituted in format_string.  Note that
                    463: # [n] is an optional integer length.  If provided,
                    464: # repl is truncated to at most [n] characters prior to 
                    465: # substitution.
                    466: #
                    467: sub printf_style_subst {
                    468:     my ($item, $format_string, $repl) = @_;
1.490     foxr      469:     my $result = "";
                    470:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  471: 	my $fmt = $1;
                    472: 	my $size = $2;
1.486     foxr      473: 	my $subst = $repl;
                    474: 	if ($size ne "") {
                    475: 	    $subst = substr($subst, 0, $size);
1.490     foxr      476: 	    
                    477: 	    #  Here's a nice edge case.. supose the end of the
                    478: 	    #  substring is a \.  In that case may have  just
                    479: 	    #  chopped off a TeX escape... in that case, we append
                    480: 	    #   " " for the trailing character, and let the field 
                    481: 	    #  spill over a bit (sigh).
                    482: 	    #  We don't just chop off the last character in order to deal
                    483: 	    #  with one last pathology, and that would be if substr had
                    484: 	    #  trimmed us to e.g. \\\  
                    485: 
                    486: 
                    487: 	    if ($subst =~ /\\$/) {
                    488: 		$subst .= " ";
                    489: 	    }
1.486     foxr      490: 	}
1.490     foxr      491: 	my $item_pos = pos($format_string);
                    492: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    493:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      494:     }
1.490     foxr      495: 
                    496:     # Put the residual format string into the result:
                    497: 
                    498:     $result .= $format_string;
                    499: 
                    500:     return $result;
1.486     foxr      501: }
                    502: 
1.454     foxr      503: 
                    504: # Format a header according to a format.  
                    505: # 
                    506: 
                    507: # Substitutions:
                    508: #     %a    - Assignment name.
                    509: #     %c    - Course name.
                    510: #     %n    - Student name.
1.537     foxr      511: #     %s    - The section if it is supplied.
1.454     foxr      512: #
                    513: sub format_page_header {
1.583.2.1  raeburn   514:     my ($width, $format, $assignment, $course, $student) = @_;
1.537     foxr      515: 
1.565     foxr      516: 
                    517: 
1.486     foxr      518:     $width = &recalcto_mm($width); # Get width in mm.
1.583.2.1  raeburn   519:     my $chars_per_line = int($width/2);   # Character/textline.
1.565     foxr      520: 
1.454     foxr      521:     #  Default format?
                    522: 
                    523:     if ($format eq '') {
1.486     foxr      524: 	# For the default format, we may need to truncate
                    525: 	# elements..  To do this we need to get the page width.
                    526: 	# we assume that each character is about 2mm in width.
                    527: 	# (correct for the header text size??).  We ignore
                    528: 	# any formatting (e.g. boldfacing in this).
                    529: 	# 
                    530: 	# - Allow the student/course to be one line.
                    531: 	#   but only truncate the course.
                    532: 	# - Allow the assignment to be 2 lines (wrapped).
                    533: 	#
1.565     foxr      534: 
1.583.2.1  raeburn   535:         my $firstline = "$student $course";
                    536:         if (length($firstline) > $chars_per_line) {
                    537:             my $lastchar = $chars_per_line - length($student) - 1;
                    538:             if ($lastchar > 0) {
                    539:                 $course = substr($course, 0, $lastchar);
                    540:             } else {            # Nothing left of course:
                    541:                 $course = '';
                    542:             }
                    543:         }
                    544:         if (length($assignment) > $chars_per_line) {
                    545:             $assignment = substr($assignment, 0, $chars_per_line);
                    546:         }
1.486     foxr      547: 
1.583.2.1  raeburn   548:         $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1.489     foxr      549: 
1.583.2.1  raeburn   550:     } else {
                    551:         # An open question is how to handle long user formatted page headers...
                    552:         # A possible future is to support e.g. %na so that the user can control
                    553:         # the truncation of the elements that can appear in the header.
                    554:         #
                    555:         $format =  &printf_style_subst("a", $format, $assignment);
                    556:         $format =  &printf_style_subst("c", $format, $course);
                    557:         $format =  &printf_style_subst("n", $format, $student);
                    558:     
                    559:         # If the user put %'s in the format string, they must be escaped
                    560:         # to \% else LaTeX will think they are comments and terminate
                    561:         # the line.. which is bad!!!
1.490     foxr      562: 
1.454     foxr      563:     }
1.537     foxr      564:     
1.454     foxr      565:     return $format;
                    566: }
1.397     albertel  567: 
1.385     foxr      568: #
                    569: #   Convert a numeric code to letters
                    570: #
                    571: sub num_to_letters {
                    572:     my ($num) = @_;
                    573:     my @nums= split('',$num);
                    574:     my @num_to_let=('A'..'Z');
                    575:     my $word;
                    576:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    577:     return $word;
                    578: }
                    579: #   Convert a letter code to numeric.
                    580: #
                    581: sub letters_to_num {
                    582:     my ($letters) = @_;
                    583:     my @letters = split('', uc($letters));
1.490     foxr      584:    my %substitution;
1.385     foxr      585:     my $digit = 0;
                    586:     foreach my $letter ('A'..'J') {
                    587: 	$substitution{$letter} = $digit;
                    588: 	$digit++;
                    589:     }
                    590:     #  The substitution is done as below to preserve leading
                    591:     #  zeroes which are needed to keep the code size exact
                    592:     #
                    593:     my $result ="";
                    594:     foreach my $letter (@letters) {
                    595: 	$result.=$substitution{$letter};
                    596:     }
                    597:     return $result;
                    598: }
                    599: 
1.383     foxr      600: #  Determine if a code is a valid numeric code.  Valid
                    601: #  numeric codes must be comprised entirely of digits and
1.384     albertel  602: #  have a correct number of digits.
1.383     foxr      603: #
                    604: #  Parameters:
                    605: #     value      - proposed code value.
1.384     albertel  606: #     num_digits - Number of digits required.
1.383     foxr      607: #
                    608: sub is_valid_numeric_code {
1.384     albertel  609:     my ($value, $num_digits) = @_;
1.383     foxr      610:     #   Remove leading/trailing whitespace;
1.387     foxr      611:     $value =~ s/^\s*//g;
                    612:     $value =~ s/\s*$//g;
1.383     foxr      613:     
                    614:     #  All digits?
1.387     foxr      615:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      616: 	return "Numeric code $value has invalid characters - must only be digits";
                    617:     }
1.384     albertel  618:     if (length($value) != $num_digits) {
                    619: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    620:     }
1.385     foxr      621:     return undef;
1.383     foxr      622: }
                    623: #   Determines if a code is a valid alhpa code.  Alpha codes
                    624: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  625: #   They also have a correct digit count.
1.383     foxr      626: # Parameters:
                    627: #     value          - Proposed code value.
1.384     albertel  628: #     num_letters    - correct number of letters.
1.383     foxr      629: # Note:
                    630: #    leading and trailing whitespace are ignored.
                    631: #
                    632: sub is_valid_alpha_code {
1.384     albertel  633:     my ($value, $num_letters) = @_;
1.383     foxr      634:     
                    635:      # strip leading and trailing spaces.
                    636: 
                    637:     $value =~ s/^\s*//g;
                    638:     $value =~ s/\s*$//g;
                    639: 
                    640:     #  All alphas in the right range?
1.384     albertel  641:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      642: 	return "Invalid letter code $value must only contain A-J";
                    643:     }
1.384     albertel  644:     if (length($value) != $num_letters) {
                    645: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    646:     }
1.385     foxr      647:     return undef;
1.383     foxr      648: }
                    649: 
1.382     foxr      650: #   Determine if a code entered by the user in a helper is valid.
                    651: #   valid depends on the code type and the type of code selected.
                    652: #   The type of code selected can either be numeric or 
                    653: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    654: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    655: #   We'll be nice and be case insensitive for alpha codes.
                    656: # Parameters:
                    657: #    code_value    - the value of the code the user typed in.
                    658: #    code_option   - The code type selected from the set in the scantron format
                    659: #                    table.
                    660: # Returns:
                    661: #    undef         - The code is valid.
                    662: #    other         - An error message indicating what's wrong.
                    663: #
                    664: sub is_code_valid {
                    665:     my ($code_value, $code_option) = @_;
1.383     foxr      666:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   667:     my @lines = &Apache::grades::get_scantronformat_file();
                    668:     foreach my $line (@lines) {
1.383     foxr      669: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    670: 	if($name eq $code_option) {
                    671: 	    $code_length = $length;
                    672: 	    if($type eq 'number') {
                    673: 		$code_type = 'number';
                    674: 	    }
                    675: 	}
                    676:     }
                    677:     my $valid;
                    678:     if ($code_type eq 'number') {
1.385     foxr      679: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      680:     } else {
1.385     foxr      681: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      682:     }
1.382     foxr      683: 
                    684: }
                    685: 
1.341     foxr      686: #   Compare two students by name.  The students are in the form
                    687: #   returned by the helper:
                    688: #      user:domain:section:last,   first:status
                    689: #   This is a helper function for the perl sort built-in  therefore:
                    690: # Implicit Inputs:
                    691: #    $a     - The first element to compare (global)
                    692: #    $b     - The second element to compare (global)
                    693: # Returns:
                    694: #   -1   - $a < $b
                    695: #    0   - $a == $b
                    696: #   +1   - $a > $b
                    697: #   Note that the initial comparison is done on the last names with the
                    698: #   first names only used to break the tie.
                    699: #
                    700: #
                    701: sub compare_names {
                    702:     #  First split the names up into the primary fields.
                    703: 
                    704:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    705:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    706: 
                    707:     # Now split the last name and first name of each n:
                    708:     #
                    709: 
                    710:     my ($l1,$f1) = split(/,/, $n1);
                    711:     my ($l2,$f2) = split(/,/, $n2);
                    712: 
                    713:     # We don't bother to remove the leading/trailing whitespace from the
                    714:     # firstname, unless the last names compare identical.
                    715: 
                    716:     if($l1 lt $l2) {
                    717: 	return -1;
                    718:     }
                    719:     if($l1 gt $l2) {
                    720: 	return  1;
                    721:     }
                    722: 
                    723:     # Break the tie on the first name, but there are leading (possibly trailing
                    724:     # whitespaces to get rid of first 
                    725:     #
                    726:     $f1 =~ s/^\s+//;		# Remove leading...
                    727:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    728:     
                    729:     $f2 =~ s/^\s+//;
                    730:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    731: 
                    732:     if($f1 lt $f2) {
                    733: 	return -1;
                    734:     }
                    735:     if($f1 gt $f2) {
                    736: 	return 1;
                    737:     }
                    738:     
                    739:     #  Must be the same name.
                    740: 
                    741:     return 0;
                    742: }
                    743: 
1.71      sakharuk  744: sub latex_header_footer_remove {
                    745:     my $text = shift;
                    746:     $text =~ s/\\end{document}//;
                    747:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    748:     return $text;
                    749: }
1.423     foxr      750: #
                    751: #  If necessary, encapsulate text inside 
                    752: #  a minipage env.
                    753: #  necessity is determined by the problem_split param.
                    754: #
                    755: sub encapsulate_minipage {
                    756:     my ($text) = @_;
1.427     albertel  757:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      758: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    759:     }
                    760:     return $text;
                    761: }
1.429     foxr      762: #
                    763: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    764: #  variables interact, this sub looks at these two parameters
                    765: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    766: #     all     - if SPLIT_PDFS eq 'all'.
                    767: #     1       - if SPLIT_PDFS eq 'oneper'
                    768: #     section - if SPLIT_PDFS eq 'sections'
                    769: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    770: #
                    771: sub adjust_number_to_print {
                    772:     my $helper = shift;
1.71      sakharuk  773: 
1.429     foxr      774:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    775:     
                    776:     if ($split_pdf eq 'all') {
                    777: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    778:     } elsif ($split_pdf eq 'oneper') {
                    779: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    780:     } elsif ($split_pdf eq 'sections') {
                    781: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    782:     } elsif ($split_pdf eq 'usenumber') {
                    783: 	#  Unmodified.
                    784:     } else {
                    785: 	# Error!!!!
1.536     foxr      786: 	
                    787: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      788: 
                    789:     }
                    790: }
1.71      sakharuk  791: 
1.531     foxr      792: 
1.37      sakharuk  793: sub character_chart {
1.531     foxr      794:     my $result = shift;
                    795:     return  &Apache::entities::replace_entities($result);
                    796: }
                    797: 
                    798: sub old_character_chart {
1.37      sakharuk  799:     my $result = shift;	
1.116     sakharuk  800:     $result =~ s/&\#0?0?(7|9);//g;
                    801:     $result =~ s/&\#0?(10|13);//g;
                    802:     $result =~ s/&\#0?32;/ /g;
                    803:     $result =~ s/&\#0?33;/!/g;
                    804:     $result =~ s/&(\#0?34|quot);/\"/g;
                    805:     $result =~ s/&\#0?35;/\\\#/g;
                    806:     $result =~ s/&\#0?36;/\\\$/g;
                    807:     $result =~ s/&\#0?37;/\\%/g; 
                    808:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    809:     $result =~ s/&\#(0?39|146);/\'/g;
                    810:     $result =~ s/&\#0?40;/(/g;
                    811:     $result =~ s/&\#0?41;/)/g;
                    812:     $result =~ s/&\#0?42;/\*/g;
                    813:     $result =~ s/&\#0?43;/\+/g;
                    814:     $result =~ s/&\#(0?44|130);/,/g;
                    815:     $result =~ s/&\#0?45;/-/g;
                    816:     $result =~ s/&\#0?46;/\./g;
                    817:     $result =~ s/&\#0?47;/\//g;
                    818:     $result =~ s/&\#0?48;/0/g;
                    819:     $result =~ s/&\#0?49;/1/g;
                    820:     $result =~ s/&\#0?50;/2/g;
                    821:     $result =~ s/&\#0?51;/3/g;
                    822:     $result =~ s/&\#0?52;/4/g;
                    823:     $result =~ s/&\#0?53;/5/g;
                    824:     $result =~ s/&\#0?54;/6/g;
                    825:     $result =~ s/&\#0?55;/7/g;
                    826:     $result =~ s/&\#0?56;/8/g;
                    827:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  828:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  829:     $result =~ s/&\#0?59;/;/g;
                    830:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  831:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    832:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  833:     $result =~ s/&\#0?63;/\?/g;
                    834:     $result =~ s/&\#0?65;/A/g;
                    835:     $result =~ s/&\#0?66;/B/g;
                    836:     $result =~ s/&\#0?67;/C/g;
                    837:     $result =~ s/&\#0?68;/D/g;
                    838:     $result =~ s/&\#0?69;/E/g;
                    839:     $result =~ s/&\#0?70;/F/g;
                    840:     $result =~ s/&\#0?71;/G/g;
                    841:     $result =~ s/&\#0?72;/H/g;
                    842:     $result =~ s/&\#0?73;/I/g;
                    843:     $result =~ s/&\#0?74;/J/g;
                    844:     $result =~ s/&\#0?75;/K/g;
                    845:     $result =~ s/&\#0?76;/L/g;
                    846:     $result =~ s/&\#0?77;/M/g;
                    847:     $result =~ s/&\#0?78;/N/g;
                    848:     $result =~ s/&\#0?79;/O/g;
                    849:     $result =~ s/&\#0?80;/P/g;
                    850:     $result =~ s/&\#0?81;/Q/g;
                    851:     $result =~ s/&\#0?82;/R/g;
                    852:     $result =~ s/&\#0?83;/S/g;
                    853:     $result =~ s/&\#0?84;/T/g;
                    854:     $result =~ s/&\#0?85;/U/g;
                    855:     $result =~ s/&\#0?86;/V/g;
                    856:     $result =~ s/&\#0?87;/W/g;
                    857:     $result =~ s/&\#0?88;/X/g;
                    858:     $result =~ s/&\#0?89;/Y/g;
                    859:     $result =~ s/&\#0?90;/Z/g;
                    860:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  861:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  862:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  863:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  864:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    865:     $result =~ s/&\#(0?96|145);/\`/g;
                    866:     $result =~ s/&\#0?97;/a/g;
                    867:     $result =~ s/&\#0?98;/b/g;
                    868:     $result =~ s/&\#0?99;/c/g;
                    869:     $result =~ s/&\#100;/d/g;
                    870:     $result =~ s/&\#101;/e/g;
                    871:     $result =~ s/&\#102;/f/g;
                    872:     $result =~ s/&\#103;/g/g;
                    873:     $result =~ s/&\#104;/h/g;
                    874:     $result =~ s/&\#105;/i/g;
                    875:     $result =~ s/&\#106;/j/g;
                    876:     $result =~ s/&\#107;/k/g;
                    877:     $result =~ s/&\#108;/l/g;
                    878:     $result =~ s/&\#109;/m/g;
                    879:     $result =~ s/&\#110;/n/g;
                    880:     $result =~ s/&\#111;/o/g;
                    881:     $result =~ s/&\#112;/p/g;
                    882:     $result =~ s/&\#113;/q/g;
                    883:     $result =~ s/&\#114;/r/g;
                    884:     $result =~ s/&\#115;/s/g;
                    885:     $result =~ s/&\#116;/t/g;
                    886:     $result =~ s/&\#117;/u/g;
                    887:     $result =~ s/&\#118;/v/g;
                    888:     $result =~ s/&\#119;/w/g;
                    889:     $result =~ s/&\#120;/x/g;
                    890:     $result =~ s/&\#121;/y/g;
                    891:     $result =~ s/&\#122;/z/g;
                    892:     $result =~ s/&\#123;/\\{/g;
                    893:     $result =~ s/&\#124;/\|/g;
                    894:     $result =~ s/&\#125;/\\}/g;
                    895:     $result =~ s/&\#126;/\~/g;
                    896:     $result =~ s/&\#131;/\\textflorin /g;
                    897:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  898:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    899:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    900:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  901:     $result =~ s/&\#137;/\\textperthousand /g;
                    902:     $result =~ s/&\#140;/{\\OE}/g;
                    903:     $result =~ s/&\#147;/\`\`/g;
                    904:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  905:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  906:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  907:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  908:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  909:     $result =~ s/&\#153;/\\texttrademark /g;
                    910:     $result =~ s/&\#156;/\\oe/g;
                    911:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  912:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  913:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    914:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    915:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    916:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    917:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    918:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    919:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      920:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  921:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    922:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  923:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  924:     $result =~ s/&(\#173|shy);/ - /g;
                    925:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  926:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    927:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    928:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    929:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    930:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      931:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  932:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  933:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  934:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  935:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  936:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  937:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    938:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    939:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    940:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    941:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    942:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    943:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    944:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    945:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    946:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    947:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    948:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    949:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    950:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    951:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    952:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    953:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    954:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    955:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    956:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    957:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    958:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    959:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    960:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    961:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    962:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    963:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  964:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  965:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    966:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    967:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    968:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    969:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    970:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  971:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  972:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    973:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    974:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    975:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    976:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    977:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    978:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    979:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    980:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    981:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    982:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    983:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    984:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    985:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    986:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    987:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  988:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  989:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    990:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    991:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    992:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    993:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    994:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  995:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    997:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    998:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    999:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1000:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1001:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1002:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1003:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1004:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1005: #Greek Alphabet
1.281     sakharuk 1006:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1007:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1008:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1009:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1010:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1011:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1012:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1013:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1014:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1015:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1016:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1017:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1018:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1019:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1020:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1021:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1022:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1023:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1024:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1025:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1026:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1027:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1028:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1029:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1030:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1031:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1032:     $result =~ s/&(Alpha|\#913);/A/g;
                   1033:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1034:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1035:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1036:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1037:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1038:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1039:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1040:     $result =~ s/&(Iota|\#921);/I/g;
                   1041:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1042:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Mu|\#924);/M/g;
                   1044:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1045:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1046:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1047:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1048:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1049:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1051:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1052:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1054:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1055:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1056: #Arrows (extended HTML 4.01)
1.281     sakharuk 1057:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1058:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1059:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1060:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1061:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1062:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1063:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1064:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1065:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1066:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1067: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1068:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1069:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1070:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1071:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1072:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1073:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1074:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1075:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1076:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1077:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1078:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1079:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1080:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1081:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1082:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1083:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1084:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1085:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1086:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1087:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1088:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1089:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1090:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1091:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1092:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1093:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1094:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1095:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1096:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1097:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1098:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1099:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1100:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1101:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1102:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1103:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1104:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1105:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1106: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1107:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1108: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1109:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1110:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1111:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1112:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1113: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1114: 
1.495     foxr     1115:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1116:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1117:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1118:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1119:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1120:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1121:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1122:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1123:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1124:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1125:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1126:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1127:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1128: 
                   1129:     # Left/right quotations:
                   1130: 
                   1131:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1132:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1133: 
                   1134: 
1.559     foxr     1135: 
1.37      sakharuk 1136:     return $result;
                   1137: }
1.41      sakharuk 1138: 
                   1139: 
1.327     albertel 1140:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1141: my %page_formats=
                   1142:     ('letter' => {
                   1143: 	 'book' => {
1.493     foxr     1144: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1145: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1146: 	 },
                   1147: 	 'album' => {
1.496     foxr     1148: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1149: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1150: 	 },
                   1151:      },
                   1152:      'legal' => {
                   1153: 	 'book' => {
                   1154: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1155: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1156: 	 },
                   1157: 	 'album' => {
1.376     albertel 1158: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1159:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1160:           },
                   1161:      },
                   1162:      'tabloid' => {
                   1163: 	 'book' => {
                   1164: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1165: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1166: 	 },
                   1167: 	 'album' => {
1.376     albertel 1168: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1169: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1170:           },
                   1171:      },
                   1172:      'executive' => {
                   1173: 	 'book' => {
                   1174: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1175: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1176: 	 },
                   1177: 	 'album' => {
                   1178: 	     '1' => [],
                   1179: 	     '2' => []
                   1180:           },
                   1181:      },
                   1182:      'a2' => {
                   1183: 	 'book' => {
                   1184: 	     '1' => [],
                   1185: 	     '2' => []
                   1186: 	 },
                   1187: 	 'album' => {
                   1188: 	     '1' => [],
                   1189: 	     '2' => []
                   1190:           },
                   1191:      },
                   1192:      'a3' => {
                   1193: 	 'book' => {
                   1194: 	     '1' => [],
                   1195: 	     '2' => []
                   1196: 	 },
                   1197: 	 'album' => {
                   1198: 	     '1' => [],
                   1199: 	     '2' => []
                   1200:           },
                   1201:      },
                   1202:      'a4' => {
                   1203: 	 'book' => {
1.493     foxr     1204: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1205: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1206: 	 },
                   1207: 	 'album' => {
1.496     foxr     1208: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1209: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1210: 	 },
                   1211:      },
                   1212:      'a5' => {
                   1213: 	 'book' => {
                   1214: 	     '1' => [],
                   1215: 	     '2' => []
                   1216: 	 },
                   1217: 	 'album' => {
                   1218: 	     '1' => [],
                   1219: 	     '2' => []
                   1220:           },
                   1221:      },
                   1222:      'a6' => {
                   1223: 	 'book' => {
                   1224: 	     '1' => [],
                   1225: 	     '2' => []
                   1226: 	 },
                   1227: 	 'album' => {
                   1228: 	     '1' => [],
                   1229: 	     '2' => []
                   1230:           },
                   1231:      },
                   1232:      );
                   1233: 
1.177     sakharuk 1234: sub page_format {
1.140     sakharuk 1235: #
1.326     sakharuk 1236: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1237: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1238: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1239: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1240: #                        "A6 [105x148 mm]"
1.140     sakharuk 1241: # 
                   1242:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1243:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1244: }
1.76      sakharuk 1245: 
                   1246: 
1.126     albertel 1247: sub get_name {
                   1248:     my ($uname,$udom)=@_;
1.373     albertel 1249:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1250:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1251:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1252:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1253:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1254:     return $plainname;
1.126     albertel 1255: }
                   1256: 
1.213     albertel 1257: sub get_course {
                   1258:     my $courseidinfo;
1.373     albertel 1259:     if (defined($env{'request.course.id'})) {
1.439     www      1260: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel 1261:     }
                   1262:     return $courseidinfo;
                   1263: }
1.177     sakharuk 1264: 
1.76      sakharuk 1265: sub page_format_transformation {
1.312     sakharuk 1266:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1267:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1268: 
1.312     sakharuk 1269:     if ($selectionmade eq '4') {
1.502     foxr     1270: 	if ($choice eq 'all_problems') {
1.561     bisitz   1271:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1272: 	} else {
1.561     bisitz   1273:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1274: 	}
1.312     sakharuk 1275:     } else {
                   1276: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1277:     }
1.261     sakharuk 1278:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1279: 
                   1280: 
1.126     albertel 1281:     my $name = &get_name();
1.213     albertel 1282:     my $courseidinfo = &get_course();
1.583.2.1  raeburn  1283:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel 1284:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1285:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1286: 					   $courseidinfo, $name);
1.319     sakharuk 1287:     my $topmargintoinsert = '';
                   1288:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1289:     my $fancypagestatement='';
                   1290:     if ($numberofcolumns eq '2') {
1.455     albertel 1291: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1292:     } else {
1.455     albertel 1293: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1294:     }
1.140     sakharuk 1295:     if ($layout eq 'album') {
1.550     foxr     1296: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1297:     } elsif ($layout eq 'book') {
                   1298: 	if ($choice ne 'All class print') { 
1.550     foxr     1299: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk 1300: 	} else {
1.550     foxr     1301: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1302: 	}
1.326     sakharuk 1303: 	if ($papersize eq 'a4') {
1.575     foxr     1304: 	    my $papersize_text;
                   1305: 	    if ($perm{'pav'}) {
                   1306: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1307: 	    } else {
                   1308: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1309: 	    }
                   1310: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1311: 	}
                   1312:     }
1.214     sakharuk 1313:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1314:     if ($indexlist eq 'yes') {
                   1315: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1316: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1317:     }
1.140     sakharuk 1318:     return $text;
                   1319: }
                   1320: 
                   1321: 
1.33      sakharuk 1322: sub page_cleanup {
                   1323:     my $result = shift;	
1.65      sakharuk 1324:  
                   1325:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1326:     my $number_of_columns = $1;
1.33      sakharuk 1327:     my $insert = '{';
1.34      sakharuk 1328:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1329:     $insert .= '}';
1.65      sakharuk 1330:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1331:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1332:     return $result,$number_of_columns;
1.7       sakharuk 1333: }
1.5       sakharuk 1334: 
1.3       sakharuk 1335: 
1.60      sakharuk 1336: sub details_for_menu {
1.335     albertel 1337:     my ($helper)=@_;
1.373     albertel 1338:     my $postdata=$env{'form.postdata'};
1.335     albertel 1339:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1340:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1341:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1342:     return if ( $symbolic eq '');
                   1343: 
1.233     www      1344:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1345:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1346:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1347:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1348: 	$map =~ m|([^/]+)$|;
                   1349: 	$name_of_sequence = $1;
1.63      albertel 1350:     }
1.373     albertel 1351:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1352:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1353: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1354: 	$name_of_map = $1;
                   1355:     }
1.335     albertel 1356:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1357: }
                   1358: 
1.476     albertel 1359: sub copyright_line {
                   1360:     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
                   1361: }
                   1362: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1363: 
                   1364: sub latex_corrections {
1.408     albertel 1365:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1366: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1367:     my $copyright = &copyright_line();
1.408     albertel 1368:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1369: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1370:     } else {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1372:     }
1.476     albertel 1373:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1374:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1375:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1376: #-- LaTeX corrections     
                   1377:     my $first_comment = index($result,'<!--',0);
                   1378:     while ($first_comment != -1) {
                   1379: 	my $end_comment = index($result,'-->',$first_comment);
                   1380: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1381: 	$first_comment = index($result,'<!--',$first_comment);
                   1382:     }
                   1383:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1384:     #removes more than one empty space
                   1385:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1386:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1387:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1388:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1389:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1390:     #conversion of html characters to LaTeX equivalents
                   1391:     if ($result =~ m/&(\w+|#\d+);/) {
                   1392: 	$result = &character_chart($result);
                   1393:     }
                   1394:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1395:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1396:     return $result;
1.60      sakharuk 1397: }
                   1398: 
1.3       sakharuk 1399: 
1.214     sakharuk 1400: sub index_table {
                   1401:     my $currentURL = shift;
                   1402:     my $insex_string='';
                   1403:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1404:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1405:     return $insex_string;
                   1406: }
                   1407: 
                   1408: 
1.215     sakharuk 1409: sub IndexCreation {
                   1410:     my ($texversion,$currentURL)=@_;
                   1411:     my @key_words=split(/,/,&index_table($currentURL));
                   1412:     my $chunk='';
                   1413:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1414:     if ($st>0) {
                   1415: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1416: 	$chunk=substr($texversion,0,$st+1);
                   1417: 	substr($texversion,0,$st+1)=' ';
                   1418:     }
                   1419:     foreach my $key_word (@key_words) {
                   1420: 	if ($key_word=~/\S+/) {
                   1421: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1422: 	}
                   1423:     }			
                   1424:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1425:     return $texversion;
                   1426: }
                   1427: 
1.242     sakharuk 1428: sub print_latex_header {
                   1429:     my $mode=shift;
1.550     foxr     1430: 
                   1431:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1432: }
                   1433: 
                   1434: sub path_to_problem {
1.328     albertel 1435:     my ($urlp,$colwidth)=@_;
1.404     albertel 1436:     $urlp=&Apache::lonnet::clutter($urlp);
                   1437: 
1.242     sakharuk 1438:     my $newurlp = '';
1.328     albertel 1439:     $colwidth=~s/\s*mm\s*$//;
                   1440: #characters average about 2 mm in width
1.360     albertel 1441:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1442: 	my @elements = split('/',$urlp);
1.328     albertel 1443: 	my $curlength=0;
                   1444: 	foreach my $element (@elements) {
1.404     albertel 1445: 	    if ($element eq '') { next; }
1.328     albertel 1446: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1447: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1448: 		$curlength=length($element)*2;
1.328     albertel 1449: 	    } else {
                   1450: 		$curlength+=length($element)*2;
1.242     sakharuk 1451: 	    }
1.328     albertel 1452: 	    $newurlp.='/'.$element;
1.242     sakharuk 1453: 	}
1.253     sakharuk 1454:     } else {
                   1455: 	$newurlp=$urlp;
1.242     sakharuk 1456:     }
                   1457:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1458: }
1.215     sakharuk 1459: 
1.275     sakharuk 1460: sub recalcto_mm {
                   1461:     my $textwidth=shift;
                   1462:     my $LaTeXwidth;
1.339     albertel 1463:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1464: 	$LaTeXwidth = $1*10;
1.339     albertel 1465:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1*25.4;
                   1469:     }
                   1470:     $LaTeXwidth.=' mm';
                   1471:     return $LaTeXwidth;
                   1472: }
                   1473: 
1.285     albertel 1474: sub get_textwidth {
                   1475:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1476:     my $textwidth=$LaTeXwidth;
1.285     albertel 1477:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1478: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1479: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1480: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1481:     }
1.286     albertel 1482:     return $textwidth;
1.285     albertel 1483: }
                   1484: 
1.296     sakharuk 1485: 
                   1486: sub unsupported {
1.414     albertel 1487:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1488:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1489:     my $result.= &print_latex_header($mode);
1.414     albertel 1490:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1491: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1492: 	my $title=&Apache::lonnet::gettitle($symb);
                   1493: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1494: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1495:     } else {
                   1496: 	$result.=$currentURL;
                   1497:     }
1.419     albertel 1498:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1499:     return $result;
                   1500: }
                   1501: 
1.559     foxr     1502: #
                   1503: #  Map from helper layout style to the book/album:
                   1504: #
                   1505: sub map_laystyle {
                   1506:     my ($laystyle) = @_;
                   1507:     if ($laystyle eq 'L') {
                   1508: 	$laystyle='album';
                   1509:     } else {
                   1510: 	$laystyle='book';
                   1511:     }
                   1512:     return $laystyle;
                   1513: }
                   1514: 
                   1515: sub print_page_in_course {
                   1516:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1517:     my %parmhash       = %$rparmhash;
                   1518:     my @page_resources = @$resources;
                   1519:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1520:     my $symb = $helper->{'VARS'}->{'symb'};
                   1521: 
                   1522: 
                   1523:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1524: 
                   1525: 
                   1526:     my @temporary_array=split /\|/,$format_from_helper;
                   1527:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1528:     $laystyle = &map_laystyle($laystyle);
                   1529:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1530: 								      $numberofcolumns);
                   1531:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1532: 
                   1533: 
                   1534:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1535:     my $result   =    &print_latex_header($mode);
1.559     foxr     1536:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1537: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1538: 	my $title=&Apache::lonnet::gettitle($symb);
                   1539: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1540:     } else {
1.582     raeburn  1541:         my $esc_currentURL= $currentURL;
                   1542:         $esc_currentURL =~ s/_/\\_/g;
                   1543: 	$result.=$esc_currentURL;
1.559     foxr     1544:     }
                   1545:     $result .= '\\\\';
                   1546: 
                   1547:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1548: 	&Apache::lonnet::appenv({'construct.style' =>
                   1549: 				$helper->{'VARS'}->{'style_file'}});
                   1550:     } elsif ($env{'construct.style'}) {
                   1551: 	&Apache::lonnet::delenv('construct.style');
                   1552:     }
                   1553: 
                   1554:     # First is the overall page description.  This is then followed by the 
                   1555:     # components of the page. Each of which must be printed independently.
1.564     foxr     1556:     my $the_page = shift(@page_resources); 
1.559     foxr     1557: 
                   1558: 
                   1559:     foreach my $resource (@page_resources) {
                   1560: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1561: 	$result           .= $resource->title() . '\\\\';
                   1562: 
                   1563: 	# Recurse if a .page:
                   1564: 
                   1565: 	if ($resource_src =~ /.page$/i) {
                   1566: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1567: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1568: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1569: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
1.582     raeburn  1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {		
1.559     foxr     1574: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1575: 	    my %form;
                   1576: 	    my %moreenv;
                   1577: 
                   1578: 	    &Apache::lonxml::remember_problem_counter();
                   1579: 	    $moreenv{'request.filename'}=$urlp;
                   1580: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1581: 
                   1582: 	    $form{'grade_target'}  = 'tex';
                   1583: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.583.2.2  raeburn  1584:             $form{'pdfFormFields'} = 'no';
1.559     foxr     1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
1.583.2.3  raeburn  1688:     my ($prtspool) = @_;
                   1689:     my $output;
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
1.583.2.3  raeburn  1722:         $output ='<hr />';
1.544     bisitz   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.583.2.3  raeburn  1725: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
1.583.2.3  raeburn  1733:                   .&Apache::loncommon::end_data_table();
1.400     albertel 1734:     }
                   1735:     if ($pdf_result) {
1.583.2.3  raeburn  1736: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   1737:                   .&Apache::loncommon::start_data_table()
                   1738:                   .&Apache::loncommon::start_data_table_header_row()
                   1739:                   .'<th>'.&mt('Download').'</th>'
                   1740:                   .'<th>'.&mt('Creation Date').'</th>'
                   1741:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1742:                   .&Apache::loncommon::end_data_table_header_row()
                   1743:                   .$pdf_result
1.583.2.3  raeburn  1744:                   .&Apache::loncommon::end_data_table();
1.396     albertel 1745:     }
1.583.2.3  raeburn  1746:     return $output;
1.395     www      1747: }
                   1748: 
                   1749: #
1.363     foxr     1750: #   Retrieve the hash of page breaks.
                   1751: #
                   1752: #  Inputs:
                   1753: #    helper   - reference to helper object.
                   1754: #  Outputs
                   1755: #    A reference to a page break hash.
                   1756: #
                   1757: #
1.562     foxr     1758: # use Data::Dumper;
1.569     foxr     1759: # sub dump_helper_vars {
1.418     foxr     1760: #    my ($helper) = @_;
                   1761: #    my $helpervars = Dumper($helper->{'VARS'});
                   1762: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1763: #}
1.363     foxr     1764: 
1.481     albertel 1765: sub get_page_breaks  {
                   1766:     my ($helper) = @_;
                   1767:     my %page_breaks;
                   1768: 
                   1769:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1770: 	$page_breaks{$break} = 1;
                   1771:     }
                   1772:     return %page_breaks;
                   1773: }
1.569     foxr     1774: # 
                   1775: #   Returns text to insert for any extra vskip prior to the resource.
                   1776: #   Parameters:
                   1777: #     helper   - Reference to the helper object driving the printout.
                   1778: #     resource - Identifies the resource about to be printed.
                   1779: #
                   1780: #   This is done as follows:
                   1781: #    POSSIBLE_RESOURCES has the list of possible resources.
                   1782: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     1783: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   1784: #                       mm. All others are 'in'.
1.569     foxr     1785: #    
                   1786: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   1787: #    of the EXTRASPACE value.
                   1788: #
                   1789: #   In order to speed this up for lengthy printouts, the first time,
                   1790: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   1791: #   EXTRASPACE is turned into an array.
                   1792: #
                   1793: 
                   1794: 
                   1795: my %possible_resources;
1.570     foxr     1796: my %extraspace_mm;
1.569     foxr     1797: my @extraspace;
                   1798: my $skips_loaded       = 0;
                   1799: 
                   1800: #  Function to load the skips hash and array
                   1801: 
                   1802: sub load_skips {
                   1803: 
                   1804:     my ($helper)  = @_;
                   1805: 
                   1806:     #  If this is the first time, unrap the resources and extra spaces:
                   1807: 
                   1808:     if (!$skips_loaded) {
                   1809: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   1810: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   1811: 	my $i = 0;
                   1812: 	foreach my $resource (@resource_list) {
                   1813: 	    $possible_resources{$resource} = $i;
                   1814: 	    $i++;
                   1815: 	}
1.570     foxr     1816: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   1817: 	    $extraspace_mm{$mm_resource} = 1;
                   1818: 	}
1.569     foxr     1819: 	$skips_loaded = 1;
                   1820:     }
                   1821: }
                   1822: 
                   1823: sub get_extra_vspaces {
                   1824:     my ($helper, $resource) = @_;
                   1825: 
                   1826:     &load_skips($helper);
                   1827: 
                   1828:     #  Lookup the resource in the possible resources hash.. that is the index
                   1829:     # into the extraspace array that gives us either an empty string or
                   1830:     # the number of mm to skip:
                   1831: 
                   1832:     my $index = $possible_resources{$resource};
                   1833:     my $skip  = $extraspace[$index];
                   1834: 
                   1835:     my $result = '';
                   1836:     if ($skip ne '') {
1.570     foxr     1837: 	my $units = 'in';
                   1838: 	if (defined($extraspace_mm{$resource})) {
                   1839: 	    $units = 'mm';
                   1840: 	}
                   1841: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     1842:     }
1.570     foxr     1843: 
                   1844: 	
1.569     foxr     1845:     return $result;
                   1846: 
                   1847: 
                   1848: }
                   1849: 
                   1850: #
                   1851: #  The resource chooser part of the helper needs more than just
                   1852: #  the value of the extraspaces var to recover the value into a text
                   1853: #  field option.  This sub produces the required format for the saved var:
                   1854: #  specifically 
                   1855: #    ||| separated fields of the form resourcename=value
                   1856: #
                   1857: #  Parameters:
                   1858: #    $helper     - Refers to the helper we are configuring
                   1859: #  Implicit input:
                   1860: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   1861: #                                          value.
1.570     foxr     1862: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     1863: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   1864: #                                          separated of course.
                   1865: #  Implicit outputs:
1.570     foxr     1866: #     $env{'form.extraspace'}
                   1867: #     $env{'form.extraspace_units'}
1.569     foxr     1868: #
                   1869: sub set_form_extraspace {
                   1870:     my ($helper) = @_;
                   1871: 
                   1872:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   1873:     # may not be the fastest, but this is once per print request so it's not so
                   1874:     # speed critical:
                   1875: 
                   1876:     &load_skips($helper);
                   1877: 
                   1878:     my $result = '';
                   1879: 
                   1880:     foreach my $resource (keys(%possible_resources)) {
                   1881: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   1882: 	$result  .= $resource .'=' . $vskip . '|||';
                   1883:     }
                   1884: 
                   1885:     $env{'form.extraspace'}  = $result;
1.570     foxr     1886:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     1887:     return $result;
                   1888:     
                   1889: }
1.363     foxr     1890: 
1.459     foxr     1891: #  Output a sequence (recursively if neeed)
                   1892: #  from construction space.
                   1893: # Parameters:
                   1894: #    url     = URL of the sequence to print.
                   1895: #    helper  - Reference to the helper hash.
                   1896: #    form    - Copy of the format hash.
                   1897: #    LaTeXWidth
                   1898: # Returns:
                   1899: #   Text to add to the printout.
                   1900: #   NOTE if the first element of the outermost sequence
                   1901: #   is itself a sequence, the outermost caller may need to
                   1902: #   prefix the latex with the page headers stuff.
                   1903: #
                   1904: sub print_construction_sequence {
                   1905:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1906:     my $result;
                   1907:     my $rndseed=time;
                   1908:     if ($helper->{'VARS'}->{'curseed'}) {
                   1909: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1910:     }
1.491     albertel 1911:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1912:     # 
                   1913:     #  These make this all support recursing for subsequences.
                   1914:     #
1.491     albertel 1915:     my @order    = @LONCAPA::map::order;
                   1916:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1917:     for (my $member=0;$member<=$#order;$member++) {
                   1918: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1919: 	my $urlp=$2;
                   1920: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1921: 	    my $texversion='';
                   1922: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1923: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1924: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1925: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1926: 		$form{'rndseed'}=$rndseed;
                   1927: 		$resources_printed .=$urlp.':';
1.515     foxr     1928: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1929: 	    }
                   1930: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1931: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1932: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1933: 		#  Don't permanently modify %$form...
                   1934: 		my %answerform = %form;
                   1935: 		$answerform{'grade_target'}='answer';
                   1936: 		$answerform{'answer_output_mode'}='tex';
                   1937: 		$answerform{'rndseed'}=$rndseed;
                   1938: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1939: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1940: 		$resources_printed .= $urlp.':';
1.515     foxr     1941: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1942: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1943: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1944: 		} else {
                   1945: 		    # If necessary, encapsulate answer in minipage:
                   1946: 		    
                   1947: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1948: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1949: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1950: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1951: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1952: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1953: 		    $body = &encapsulate_minipage($body);
                   1954: 		    $texversion.=$body;
                   1955: 		}
                   1956: 	    }
                   1957: 	    $texversion = &latex_header_footer_remove($texversion);
                   1958: 
                   1959: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1960: 		$texversion=&IndexCreation($texversion,$urlp);
                   1961: 	    }
                   1962: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1963: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1964: 	    }
                   1965: 	    $result.=$texversion;
                   1966: 
                   1967: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1968:  
1.459     foxr     1969: 	    # header:
                   1970: 
                   1971: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1972: 
                   1973: 	    # IF sequence, recurse:
                   1974: 	    
                   1975: 	    if ($urlp =~ /\.sequence$/) {
                   1976: 		my $sequence_url = $urlp;
                   1977: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1978: 		my $user         = $env{'user.name'};
                   1979: 
                   1980: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1981: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1982: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1983: 		$result .= &print_construction_sequence($sequence_url, 
                   1984: 							$helper, %form, 
                   1985: 							$LaTeXwidth);
                   1986: 	    }
1.550     foxr     1987: 	}
                   1988: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1989: 	    my $texversion;
                   1990: 	    if ($member != 0) {
                   1991: 		$texversion .= '\cleardoublepage';
                   1992: 	    }
                   1993: 
                   1994: 	    $texversion .= &include_pdf($urlp);
                   1995: 	    $texversion = &latex_header_footer_remove($texversion);
                   1996: 	    if ($member != $#order) {
                   1997: 		$texversion .= '\\ \cleardoublepage';
                   1998: 	    }
1.551     foxr     1999: 	    
                   2000: 	    $result .= $texversion;
1.550     foxr     2001: 	}
1.459     foxr     2002:     }
                   2003:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2004:     return $result;
                   2005: }
                   2006: 
1.177     sakharuk 2007: sub output_data {
1.184     sakharuk 2008:     my ($r,$helper,$rparmhash) = @_;
                   2009:     my %parmhash = %$rparmhash;
1.515     foxr     2010:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2011:     $resources_printed = '';
1.556     foxr     2012:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     2013:     my $do_postprocessing = 1;
1.433     albertel 2014:     my $js = <<ENDPART;
                   2015: <script type="text/javascript">
1.264     sakharuk 2016:     var editbrowser;
                   2017:     function openbrowser(formname,elementname,only,omit) {
                   2018:         var url = '/res/?';
                   2019:         if (editbrowser == null) {
                   2020:             url += 'launch=1&';
                   2021:         }
                   2022:         url += 'catalogmode=interactive&';
                   2023:         url += 'mode=parmset&';
                   2024:         url += 'form=' + formname + '&';
                   2025:         if (only != null) {
                   2026:             url += 'only=' + only + '&';
                   2027:         } 
                   2028:         if (omit != null) {
                   2029:             url += 'omit=' + omit + '&';
                   2030:         }
                   2031:         url += 'element=' + elementname + '';
                   2032:         var title = 'Browser';
                   2033:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2034:         options += ',width=700,height=600';
                   2035:         editbrowser = open(url,title,options,'1');
                   2036:         editbrowser.focus();
                   2037:     }
                   2038: </script>
1.140     sakharuk 2039: ENDPART
                   2040: 
1.512     foxr     2041: 
1.558     bisitz   2042:     # Breadcrumbs
                   2043:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2044:     my $brcrum = [{'href' => '',
                   2045:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2046:                   {'href' => '',
                   2047:                    'text' => 'Preparing Printout'}];
                   2048: 
                   2049:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2050:                                                      $js,
                   2051:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2052:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2053: 
1.433     albertel 2054:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2055: 
1.363     foxr     2056:     # fetch the pagebreaks and store them in the course environment
                   2057:     # The page breaks will be pulled into the hash %page_breaks which is
                   2058:     # indexed by symb and contains 1's for each break.
                   2059: 
1.373     albertel 2060:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2061:     &set_form_extraspace($helper);
1.373     albertel 2062:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     2063:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2064: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2065: 					       'extraspace'    => 'scalar',
1.570     foxr     2066: 					       'extraspace_units' => 'scalar',
1.366     foxr     2067: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2068:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2069: 
1.140     sakharuk 2070:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2071:     my ($result,$selectionmade) = ('','');
                   2072:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2073:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2074:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2075: 
                   2076:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2077:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2078:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2079:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2080:     my @print_array=();
1.274     sakharuk 2081:     my @student_names=();
1.360     albertel 2082: 
1.512     foxr     2083:      
1.360     albertel 2084:     #  Common settings for the %form has:
                   2085:     # In some cases these settings get overriddent by specific cases, but the
                   2086:     # settings are common enough to make it worthwhile factoring them out
                   2087:     # here.
                   2088:     #
                   2089:     my %form;
                   2090:     $form{'grade_target'} = 'tex';
                   2091:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.583.2.2  raeburn  2092:     $form{'pdfFormFields'} = 'no';
1.372     foxr     2093: 
                   2094:     # If form.showallfoils is set, then request all foils be shown:
                   2095:     # privilege will be enforced both by not allowing the 
                   2096:     # check box selecting this option to be presnt unless it's ok,
                   2097:     # and by lonresponse's priv. check.
                   2098:     # The if is here because lonresponse.pm only cares that
                   2099:     # showallfoils is defined, not what the value is.
                   2100: 
                   2101:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2102: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2103:     }
1.504     albertel 2104:     
                   2105:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2106: 	&Apache::lonnet::appenv({'construct.style' =>
                   2107: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2108:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2109: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2110:     }
                   2111: 
1.140     sakharuk 2112:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2113:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2114: 	my ($currentURL,$cleanURL);
1.375     foxr     2115: 
1.162     sakharuk 2116: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2117:             #prints published resource
1.153     sakharuk 2118: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2119: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2120: 	} else {
1.512     foxr     2121: 
1.185     sakharuk 2122:             #prints resource from the construction space
1.240     albertel 2123: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2124: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2125: 	    $cleanURL=$currentURL;
1.143     sakharuk 2126: 	}
1.140     sakharuk 2127: 	$selectionmade = 1;
1.413     albertel 2128: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2129: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2130: 	    my $rndseed=time;
1.242     sakharuk 2131: 	    my $texversion='';
                   2132: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2133: 		my %moreenv;
1.343     albertel 2134: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2135:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2136: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2137: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2138: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2139: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2140: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2141: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2142: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2143: 		    $form{'problem_split'}='yes';
                   2144: 		}
1.242     sakharuk 2145: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2146: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2147: 		}
                   2148: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2149: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2150: 
                   2151: 		&Apache::lonxml::clear_problem_counter();
                   2152: 
1.375     foxr     2153: 		$resources_printed .= $currentURL.':';
1.515     foxr     2154: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2155: 
1.511     foxr     2156: 		#  Add annotations if required:
                   2157: 	    
1.428     albertel 2158: 		&Apache::lonxml::clear_problem_counter();
                   2159: 
1.242     sakharuk 2160: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2161: 	    }
1.423     foxr     2162: 	    # current document with answers.. no need to encap in minipage
                   2163: 	    #  since there's only one answer.
                   2164: 
1.242     sakharuk 2165: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2166: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2167: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2168: 		$form{'grade_target'}='answer';
1.167     albertel 2169: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2170: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2171:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2172: 		    $form{'problemtype'}='exam';
                   2173: 		}
1.375     foxr     2174: 		$resources_printed .= $currentURL.':';
1.515     foxr     2175: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2176: 		
                   2177: 
1.242     sakharuk 2178: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2179: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2180: 		} else {
                   2181: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2182: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2183: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2184: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2185: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2186: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2187: 		    } else {
                   2188: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2189: 			my $URLpath=$cleanURL;
1.245     sakharuk 2190: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2191: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2192: 		    }
1.242     sakharuk 2193: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2194: 		}
1.511     foxr     2195: 
                   2196: 
                   2197: 		
                   2198: 
1.550     foxr     2199: 	    
1.511     foxr     2200: 	    }
                   2201: 	    # Print annotations.
                   2202: 
                   2203: 
                   2204: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2205: 		my $annotation .= &annotate($currentURL);
                   2206: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2207: 	    }
1.511     foxr     2208: 
                   2209: 
1.214     sakharuk 2210: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2211: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2212: 	    }
1.219     sakharuk 2213: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2214: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2215: 
                   2216: 	    }
1.162     sakharuk 2217: 	    $result .= $texversion;
                   2218: 	    if ($currentURL=~m/\.page\s*$/) {
                   2219: 		($result,$number_of_columns) = &page_cleanup($result);
                   2220: 	    }
1.413     albertel 2221:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2222: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2223:             #printing content of sequence from the construction space	
1.559     foxr     2224: 
                   2225: 
1.227     sakharuk 2226: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2227: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2228: 						    $LaTeXwidth);
                   2229: 	    $result .= '\end{document}';  
                   2230: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2231: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2232: 	    }
1.459     foxr     2233: 	    # End construction space sequence.
1.456     raeburn  2234: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2235: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2236: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2237: 		$resources_printed .= $currentURL.':';
1.567     foxr     2238: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2239: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2240: 		    my $annotation = &annotate($currentURL);
                   2241: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2242: 		}
1.258     sakharuk 2243: 		$result .= $texversion;
1.550     foxr     2244: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2245: 	    # For this sort of print of a single LaTeX file,
                   2246: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2247: 	    #
                   2248: 
                   2249: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2250: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2251: 		my $annotation = &annotate($currentURL);
                   2252: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2253: 	    }
                   2254: 
1.499     foxr     2255: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2256: 
1.550     foxr     2257: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2258: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2259: 	    $result .= '\end{document}';
1.559     foxr     2260: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2261: 
                   2262: 	    # Determine the set of resources in the map of the page:
                   2263: 
                   2264: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2265: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2266: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2267: 							$cleanURL, \@page_resources);
                   2268: 
                   2269:        
1.162     sakharuk 2270: 	} else {
1.414     albertel 2271: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2272: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2273: 	}
1.354     foxr     2274:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2275: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2276: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2277:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2278:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2279: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2280: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
1.582     raeburn  2281: 	     ) {
1.511     foxr     2282: 
1.582     raeburn  2283:  
1.141     sakharuk 2284:         #-- produce an output string
1.562     foxr     2285: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2286: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2287: 	    $selectionmade = 2;
1.562     foxr     2288: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2289: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2290: 	{
1.296     sakharuk 2291: 	    $selectionmade = 3;
1.536     foxr     2292: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2293: 		 ) {
1.296     sakharuk 2294: 	    $selectionmade = 4;
1.354     foxr     2295: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2296: 	    $selectionmade = 4;
1.296     sakharuk 2297: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2298: 	    $selectionmade = 7;
                   2299: 	}
1.193     sakharuk 2300: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2301: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2302: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2303: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2304: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2305: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2306: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2307: 	    $form{'problem_split'}='yes';
                   2308: 	}
1.141     sakharuk 2309: 	my $flag_latex_header_remove = 'NO';
                   2310: 	my $flag_page_in_sequence = 'NO';
                   2311: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2312: 	my $prevassignment='';
1.428     albertel 2313: 
                   2314: 	&Apache::lonxml::clear_problem_counter();
                   2315: 
1.416     foxr     2316: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2317: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2318: 
1.521     foxr     2319: 	    &Apache::lonenc::reset_enc();
                   2320: 
                   2321: 
1.350     foxr     2322: 	    # Note due to document structure, not allowed to put \newpage
                   2323: 	    # prior to the first resource
                   2324: 
1.351     foxr     2325: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2326: 		if($i != 0) {
                   2327: 		    $result.="\\newpage\n";
                   2328: 		}
                   2329: 	    }
1.569     foxr     2330: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2331: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2332: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2333: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2334: 
                   2335: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2336: 
1.267     sakharuk 2337: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2338: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2339: 	    my $texversion='';
1.413     albertel 2340: 	    if ($urlp!~m|^/adm/|
                   2341: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2342: 		$resources_printed .= $urlp.':';
1.428     albertel 2343: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2344: 		if ($flag_latex_header_remove eq 'NO') {
                   2345: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2346:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2347:                             (($i==0) &&
                   2348:                              (($urlp=~/\.page$/) ||
                   2349:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ||
                   2350:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page')))) {
                   2351:                         $flag_latex_header_remove = 'YES';
                   2352:                     }
1.566     foxr     2353: 		}
1.515     foxr     2354: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2355: 		if ($urlp=~/\.page$/) {
                   2356: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2357: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2358: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2359: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2360: 		}
1.428     albertel 2361: 
1.296     sakharuk 2362: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2363: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2364: 		    #  Don't permanently pervert the %form hash
                   2365: 		    my %answerform = %form;
                   2366: 		    $answerform{'grade_target'}='answer';
                   2367: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2368: 		    $resources_printed .= $urlp.':';
1.428     albertel 2369: 
                   2370: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2371: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2372:                     if ($urlp =~ /\.page$/) {
                   2373:                         $answer =~ s/\\end{document}(\d*)$//;
                   2374:                     }
1.296     sakharuk 2375: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2376:                         if ($urlp =~ /\.page$/) {
                   2377:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2378:                             my $lastprob = pop(@probs);
                   2379:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2380:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2381:                         } else {
                   2382:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2383:                         }
1.249     sakharuk 2384: 		    } else {
1.582     raeburn  2385: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/) {
1.296     sakharuk 2386: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2387: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2388: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2389: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2390: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2391: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2392: 			    $body   .='\vskip 1 mm '.$answer;
                   2393: 			    $body    = &encapsulate_minipage($body);
                   2394: 			    $texversion .= $body;
1.296     sakharuk 2395: 			} else {
                   2396: 			    $texversion='';
                   2397: 			}
1.249     sakharuk 2398: 		    }
1.511     foxr     2399: 
1.246     sakharuk 2400: 		}
1.511     foxr     2401: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2402: 		    my $annotation .= &annotate($urlp);
                   2403: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2404: 		}
                   2405: 
1.296     sakharuk 2406: 		if ($flag_latex_header_remove ne 'NO') {
                   2407: 		    $texversion = &latex_header_footer_remove($texversion);
                   2408: 		} else {
                   2409: 		    $texversion =~ s/\\end{document}//;
                   2410: 		}
                   2411: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2412: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2413: 		}
                   2414: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2415: 		    my $name = &get_name();
                   2416: 		    my $courseidinfo = &get_course();
1.583.2.1  raeburn  2417:                     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.296     sakharuk 2418: 		    $prevassignment=$assignment;
1.455     albertel 2419: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2420: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2421: 							  $assignment, 
                   2422: 							  $courseidinfo, 
                   2423: 							  $name);
1.552     foxr     2424: 
1.417     foxr     2425: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2426: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2427: 		    } else {
1.455     albertel 2428: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2429: 		    }			
1.296     sakharuk 2430: 		}
                   2431: 		$result .= $texversion;
                   2432: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2433: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2434: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2435: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2436: 		$resources_printed .= $urlp.':';
1.567     foxr     2437: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2438: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2439: 		    my $annotation = &annotate($urlp);
                   2440: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2441: 		}
                   2442: 
1.301     sakharuk 2443: 		if ($flag_latex_header_remove ne 'NO') {
                   2444: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2445: 		} else {	
1.301     sakharuk 2446: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2447: 		}
                   2448: 		$result .= $texversion;
                   2449: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2450: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2451: 		if ($i > 0) {
                   2452: 		    $result .= '\cleardoublepage';
                   2453: 		}
1.580     raeburn  2454:                 my $texfrompdf = &include_pdf($urlp);
                   2455:                 if ($flag_latex_header_remove ne 'NO') {
                   2456:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   2457:                 }
                   2458:                 $result .= $texfrompdf;
1.550     foxr     2459: 		if ($i != $#master_seq) {
                   2460: 		    if ($numberofcolumns eq '1') {
                   2461: 			$result .= '\newpage';
                   2462: 		    } else {
                   2463: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2464: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2465: 			#
                   2466: 			$result .= '\\ \cleardoublepage';
                   2467: 		    }
                   2468: 		}
                   2469: 		$flag_latex_header_remove = 'YES';
                   2470: 
1.141     sakharuk 2471: 	    } else {
1.414     albertel 2472: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2473: 					 $master_seq[$i]);
1.297     sakharuk 2474: 		if ($flag_latex_header_remove ne 'NO') {
                   2475: 		    $texversion = &latex_header_footer_remove($texversion);
                   2476: 		} else {
                   2477: 		    $texversion =~ s/\\end{document}//;
                   2478: 		}
                   2479: 		$result .= $texversion;
                   2480: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  2481: 	    }
1.550     foxr     2482: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2483: 		last; 
                   2484: 	    }
1.141     sakharuk 2485: 	}
1.428     albertel 2486: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2487: 	if ($flag_page_in_sequence eq 'YES') {
                   2488: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2489: 	}	
1.141     sakharuk 2490: 	$result .= '\end{document}';
1.284     albertel 2491:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2492: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2493: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2494: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2495: 
                   2496: 
1.150     sakharuk 2497:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2498: 	 my $type;
1.536     foxr     2499: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2500: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2501: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2502: 	     $selectionmade=5;
1.284     albertel 2503: 	     $type='problems';
1.254     sakharuk 2504: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2505: 	     $selectionmade=8;
1.284     albertel 2506: 	     $type='resources';
1.254     sakharuk 2507: 	 }
1.150     sakharuk 2508: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2509: 	 #   The normal sort order is by section then by students within the
                   2510: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2511: 	 #   to override this and output the students by name.
                   2512: 	 #    Each element of the students array is of the form:
                   2513: 	 #       username:domain:section:last, first:status
                   2514: 	 #    
1.429     foxr     2515: 	 #  Note that student sort is not compatible with printing 
                   2516: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2517: 	 #   
1.429     foxr     2518: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2519: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2520: 	     @students = sort compare_names  @students;
                   2521: 	 }
1.429     foxr     2522: 	 &adjust_number_to_print($helper);
                   2523: 
1.278     albertel 2524:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2525: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2526: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2527: 	 }
1.429     foxr     2528: 	 # If we are splitting on section boundaries, we need 
                   2529: 	 # to remember that in split_on_sections and 
                   2530: 	 # print all of the students in the list.
                   2531: 	 #
                   2532: 	 my $split_on_sections = 0;
                   2533: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2534: 	     $split_on_sections = 1;
                   2535: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2536: 	 }
1.150     sakharuk 2537: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2538: 
1.150     sakharuk 2539: 	 #loop over students
1.562     foxr     2540: 
                   2541:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2542: 	 my %moreenv;
1.330     sakharuk 2543:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2544: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2545: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2546: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2547: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2548: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2549: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2550: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2551: 	     $moreenv{'problem_split'}='yes';
                   2552: 	 }
1.318     albertel 2553: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2554: 	 my $student_counter=-1;
1.429     foxr     2555: 	 my $i = 0;
1.430     albertel 2556: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2557: 	 foreach my $person (@students) {
1.350     foxr     2558: 
1.373     albertel 2559:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2560: 	     if (-e $duefile) {
                   2561: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2562: 		 print $temp_file "1969\n";
                   2563: 	     }
1.272     sakharuk 2564: 	     $student_counter++;
1.429     foxr     2565: 	     if ($split_on_sections) {
1.430     albertel 2566: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2567: 		 if ($this_section ne $last_section) {
                   2568: 		     $i++;
                   2569: 		     $last_section = $this_section;
                   2570: 		 }
                   2571: 	     } else {
                   2572: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2573: 	     }
1.375     foxr     2574: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2575: 						     $person,$type,
                   2576: 						     \%moreenv,\@master_seq,
1.360     albertel 2577: 						     $flag_latex_header_remove,
1.422     albertel 2578: 						     $LaTeXwidth);
1.375     foxr     2579: 	     $resources_printed .= ":";
1.284     albertel 2580: 	     $print_array[$i].=$output;
                   2581: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   2582: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2583: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 2584: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2585: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2586: 	 }
                   2587: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2588: 	 $result .= $print_array[0].'  \end{document}';
                   2589:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2590: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2591: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2592: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2593: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2594: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2595: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2596: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2597: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2598: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2599: 
1.381     albertel 2600: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2601:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2602: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2603: 	 foreach my $line (@lines) {
1.381     albertel 2604: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2605: 	     if ($name eq $code_option) {
                   2606: 		 $code_length=$length;
                   2607: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2608: 	     }
                   2609: 	 }
1.288     albertel 2610: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2611: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2612:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2613: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2614: 	 my @allcodes;
                   2615: 	 if ($old_name) {
1.381     albertel 2616: 	     my %result=&Apache::lonnet::get('CODEs',
                   2617: 					     [$old_name,"type\0$old_name"],
                   2618: 					     $cdom,$cnum);
                   2619: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2620: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2621: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2622: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2623: 	     $num_todo = 1;
                   2624: 	     @allcodes = ($selected_code);
1.385     foxr     2625: 	 } elsif ($single_code) {
                   2626: 
1.387     foxr     2627: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2628: 	     # If an alpha code have to convert to numbers so it can be
                   2629: 	     # converted back to letters again :-)
                   2630: 	     #
                   2631: 	     if ($code_type ne 'number') {
                   2632: 		 $single_code = &letters_to_num($single_code);
                   2633: 	     }
                   2634: 	     @allcodes = ($single_code);
1.292     albertel 2635: 	 } else {
                   2636: 	     my %allcodes;
1.299     albertel 2637: 	     srand($seed);
1.292     albertel 2638: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2639: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2640: 					    $code_type);
1.292     albertel 2641: 	     }
                   2642: 	     if ($code_name) {
                   2643: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2644: 				      {
                   2645: 					$code_name =>join(',',keys(%allcodes)),
                   2646: 					"type\0$code_name" => $code_type
                   2647: 				      },
1.292     albertel 2648: 				      $cdom,$cnum);
                   2649: 	     }
                   2650: 	     @allcodes=keys(%allcodes);
                   2651: 	 }
1.336     albertel 2652: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2653: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2654: 	 &adjust_number_to_print($helper);
1.336     albertel 2655: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2656: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2657: 	     $number_per_page=$num_todo;
                   2658: 	 }
                   2659: 	 my $flag_latex_header_remove = 'NO'; 
                   2660: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2661: 	 my $count=0;
1.292     albertel 2662: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2663: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2664: 	     if ($code_type eq 'number') { 
                   2665: 		 $moreenv{'CODE'}=$code;
                   2666: 	     } else {
                   2667: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2668: 	     }
1.375     foxr     2669: 	     my ($output,$fullname, $printed)=
1.288     albertel 2670: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2671: 				  \@master_seq,$flag_latex_header_remove,
                   2672: 				  $LaTeXwidth);
1.375     foxr     2673: 	     $resources_printed .= ":";
1.295     albertel 2674: 	     $print_array[$file_num].=$output;
1.288     albertel 2675: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2676: 				       &mt('last assignment').' '.$fullname);
                   2677: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2678: 	     $count++;
1.331     albertel 2679: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2680: 	 }
                   2681: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2682: 	 $result .= $print_array[0].'  \end{document}';
                   2683:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2684:     #prints selected problems from the subdirectory 
                   2685: 	$selectionmade = 6;
                   2686:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2687: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2688: 	my $flag_latex_header_remove = 'NO'; 
                   2689: 	my $rndseed=time;
1.230     albertel 2690: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2691: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2692: 	}
1.151     sakharuk 2693: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2694: 
                   2695: 	    &Apache::lonenc::reset_enc();
                   2696: 
1.152     sakharuk 2697: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2698: 	    $urlp=~s|//|/|;
1.152     sakharuk 2699: 	    if ($urlp=~/\//) {
1.353     foxr     2700: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2701: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2702: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2703: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2704: 		} else {
1.302     sakharuk 2705: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2706: 		}
1.375     foxr     2707: 		$resources_printed .= $urlp.':';
1.515     foxr     2708: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2709: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2710: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2711: 		    #  Don't permanently pervert %form:
                   2712: 		    my %answerform = %form;
                   2713: 		    $answerform{'grade_target'}='answer';
                   2714: 		    $answerform{'answer_output_mode'}='tex';
                   2715: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2716: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2717: 		    $resources_printed .= $urlp.':';
1.515     foxr     2718: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2719: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2720: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2721: 		    } else {
1.253     sakharuk 2722: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2723: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2724: 			    $texversion.='\vskip 0 mm \noindent ';
                   2725: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2726: 			} else {
                   2727: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2728: 			    my $URLpath=$urlp;
                   2729: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2730: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2731: 			}
                   2732: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2733: 		    }
1.174     sakharuk 2734: 		}
1.515     foxr     2735:                 #this chunk is responsible for printing the path to problem
                   2736: 
1.253     sakharuk 2737: 		my $newurlp=$urlp;
                   2738: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2739: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2740: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2741: 		if ($flag_latex_header_remove ne 'NO') {
                   2742: 		    $texversion = &latex_header_footer_remove($texversion);
                   2743: 		} else {
                   2744: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2745: 		}
                   2746: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2747: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2748: 		}
1.219     sakharuk 2749: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2750: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2751: 		    
                   2752: 		}
1.152     sakharuk 2753: 		$result .= $texversion;
                   2754: 	    }
                   2755: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2756: 	}
1.175     sakharuk 2757: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2758: 	$result .= '\end{document}';      	
1.140     sakharuk 2759:     }
                   2760: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2761: 
                   2762:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2763: 
                   2764:     if ($do_postprocessing) {
                   2765: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2766: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2767: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2768: 	#if ($numberofcolumns == 1) {
1.451     albertel 2769: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2770: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2771: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2772: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2773: 	#}
                   2774:     }
1.367     foxr     2775: 
1.515     foxr     2776:     # Set URLback if this is a construction space print so we can provide
                   2777:     # a link to the resource being edited.
                   2778:     #
1.274     sakharuk 2779: 
1.276     sakharuk 2780:     my $URLback=''; #link to original document
1.510     albertel 2781:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2782: 	#prints resource from the construction space
                   2783: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2784: 	if ($URLback=~/([^?]+)/) {
                   2785: 	    $URLback=$1;
                   2786: 	    $URLback=~s|^/~|/priv/|;
                   2787: 	}
1.276     sakharuk 2788:     }
1.556     foxr     2789:     #
                   2790:     # Final adjustment of the font size:
                   2791:     #
                   2792: 
                   2793:     $result = set_font_size($result);
1.375     foxr     2794: 
1.525     www      2795: #-- writing .tex file in prtspool 
                   2796:     my $temp_file;
                   2797:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2798:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2799:     if (!($#print_array>0)) { 
                   2800:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2801: 	  $r->log_error("Couldn't open $filename for output $!");
                   2802: 	  return SERVER_ERROR; 
                   2803:        }
                   2804:        print $temp_file $result;
                   2805:        my $begin=index($result,'\begin{document}',0);
                   2806:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2807:     } else {
1.525     www      2808:        my $begin=index($result,'\begin{document}',0);
                   2809:        my $inc=substr($result,0,$begin+16);
                   2810:        for (my $i=0;$i<=$#print_array;$i++) {
                   2811: 	  if ($i==0) {
                   2812: 	      $print_array[$i]=$result;
                   2813: 	  } else {
                   2814: 	      $print_array[$i].='\end{document}';
                   2815: 	      $print_array[$i] = 
                   2816: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2817: 				   $selectionmade, 
                   2818: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2819: 	    
1.525     www      2820: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2821: 	      substr($print_array[$i],0,$anobegin)='';
                   2822: 	      $print_array[$i]=$inc.$print_array[$i];
                   2823: 	  }
                   2824: 	  my $temp_file;
                   2825: 	  my $newfilename=$filename;
                   2826: 	  my $num=$i+1;
                   2827: 	  $newfilename =~s/\.tex$//; 
                   2828: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2829: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2830: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2831: 	      return SERVER_ERROR; 
                   2832: 	  }
                   2833: 	  print $temp_file $print_array[$i];
                   2834:        }
                   2835:     }
                   2836:     my $student_names='';
                   2837:     if ($#print_array>0) {
                   2838:         for (my $i=0;$i<=$#print_array;$i++) {
                   2839:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2840: 	}
1.525     www      2841:     } else {
                   2842: 	if ($#student_names>-1) {
                   2843: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2844: 	} else {
1.525     www      2845:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2846: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2847: 				    $env{'request.course.sec'},$fullname).
                   2848: 					'_ENDPERSON_'.'_END_';
                   2849: 	}
1.525     www      2850:      }
1.515     foxr     2851: 	
1.525     www      2852:      # logic for now is too complex to trace if this has been defined
                   2853:      #  yet.
                   2854:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2855:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2856:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2857: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2858: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2859: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2860: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2861: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2862: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2863: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2864: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2865: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2866: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2867:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2868: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2869: 				"cgi.$identifier.courseid" => $cnum, 
                   2870: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2871: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2872: 	
1.525     www      2873:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2874:     my $continue_text = &mt('Continue');
1.525     www      2875:     # If there's been an unrecoverable SSI error, report it to the user
                   2876:     if ($ssi_error) {
                   2877:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2878:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2879:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2880:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2881:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2882:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2883:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2884:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2885:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2886:     } else {
1.515     foxr     2887: 	$r->print(<<FINALEND);
1.317     albertel 2888: <br />
1.288     albertel 2889: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2890: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2891: $end_page
1.140     sakharuk 2892: FINALEND
1.528     raeburn  2893:     }                                     # endif ssi errors.
1.140     sakharuk 2894: }
                   2895: 
1.288     albertel 2896: 
                   2897: sub get_CODE {
1.381     albertel 2898:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2899:     my $max='1'.'0'x$size;
                   2900:     my $newcode;
                   2901:     while(1) {
1.392     albertel 2902: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2903: 	if (!exists($$all_codes{$newcode})) {
                   2904: 	    $$all_codes{$newcode}=1;
1.381     albertel 2905: 	    if ($type eq 'number' ) {
                   2906: 		return $newcode;
                   2907: 	    } else {
                   2908: 		return &num_to_letters($newcode);
                   2909: 	    }
1.288     albertel 2910: 	}
                   2911:     }
                   2912: }
1.140     sakharuk 2913: 
1.284     albertel 2914: sub print_resources {
1.360     albertel 2915:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2916: 	$LaTeXwidth)=@_;
1.284     albertel 2917:     my $current_output = ''; 
1.375     foxr     2918:     my $printed = '';
1.284     albertel 2919:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2920:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2921:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2922:     if ($person =~ 'anon') {
1.492     foxr     2923: 	$namepostfix .="Name: ";
1.288     albertel 2924: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2925:     }
1.444     foxr     2926:     #  Fullname may have special latex characters that need \ prefixing:
                   2927:     #
                   2928: 
1.350     foxr     2929:     my $i           = 0;
1.284     albertel 2930:     #goes through all resources, checks if they are available for 
                   2931:     #current student, and produces output   
1.428     albertel 2932: 
                   2933:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2934:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2935:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2936:     #
1.441     foxr     2937:     #   end each student with a 
1.440     foxr     2938:     #   Special that allows the post processor to even out the page
                   2939:     #   counts later.  Nasty problem this... it would be really
                   2940:     #   nice to put the special in as a postscript comment
1.441     foxr     2941:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2942:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2943:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2944:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2945:     #
1.568     foxr     2946:     my $syllabus_first = 0;
1.284     albertel 2947:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2948: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2949: 	    if($i != 0) {
                   2950: 		$current_output.= "\\newpage\n";
                   2951: 	    }
                   2952: 	}
1.569     foxr     2953: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     2954: 	$i++;
1.511     foxr     2955: 
1.284     albertel 2956: 	if ( !($type eq 'problems' && 
1.582     raeburn  2957: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) {
1.284     albertel 2958: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2959: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2960: 		if ($res_url!~m|^ext/|
1.413     albertel 2961: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2962: 		    $printed .= $curresline.':';
1.428     albertel 2963: 		    &Apache::lonxml::remember_problem_counter();    
                   2964: 
1.526     www      2965: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  2966:                     if ($res_url =~ /\.page$/) {
                   2967:                         if ($remove_latex_header eq 'NO') {
                   2968:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   2969:                                 $rendered = &print_latex_header().$rendered;
                   2970:                             }
                   2971:                         }
                   2972:                         if ($remove_latex_header eq 'YES') {
                   2973:                             $rendered = &latex_header_footer_remove($rendered);
                   2974:                         } else {
                   2975:                             $rendered =~ s/\\end{document}\d*//;
                   2976:                         }
                   2977:                     }
1.305     sakharuk 2978: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2979: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2980: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2981: 			my %answerenv = %{$moreenv};
                   2982: 			$answerenv{'answer_output_mode'}='tex';
                   2983: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2984: 			
                   2985: 			&Apache::lonxml::restore_problem_counter();
                   2986: 
1.380     foxr     2987: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2988: 
1.305     sakharuk 2989: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2990: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2991: 			} else {
1.423     foxr     2992: 
                   2993: 			    
                   2994: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2995:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   2996:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   2997:                             }
1.477     albertel 2998: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2999: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3000: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3001: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3002: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3003: 			    $body     = &encapsulate_minipage($body);
                   3004: 			    $rendered = $header.$body;
1.305     sakharuk 3005: 			}
                   3006: 		    }
1.511     foxr     3007: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3008: 			my $url = &Apache::lonnet::clutter($res_url);
                   3009: 			my $annotation = &annotate($url);
                   3010: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3011: 		    }
1.562     foxr     3012: 		    my $junk;
1.305     sakharuk 3013: 		    if ($remove_latex_header eq 'YES') {
                   3014: 			$rendered = &latex_header_footer_remove($rendered);
                   3015: 		    } else {
                   3016: 			$rendered =~ s/\\end{document}//;
                   3017: 		    }
                   3018: 		    $current_output .= $rendered;		    
1.456     raeburn  3019: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3020: 		    if ($i == 1) {
                   3021: 			$syllabus_first = 1;
                   3022: 		    }
1.375     foxr     3023: 		    $printed .= $curresline.':';
1.528     raeburn  3024: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3025: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3026: 			my $url = &Apache::lonnet::clutter($res_url);
                   3027: 			my $annotation = &annotate($url);
                   3028: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3029: 		    }
1.305     sakharuk 3030: 		    if ($remove_latex_header eq 'YES') {
                   3031: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3032: 		    } else {
1.305     sakharuk 3033: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3034: 		    }
1.421     foxr     3035: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3036: 		} elsif($res_url = ~/\.pdf$/) {
                   3037: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3038: 		    my $rendered  = &include_pdf($url);
                   3039: 		    if ($remove_latex_header ne 'NO') {
                   3040: 			$rendered = &latex_header_footer_remove($rendered);
                   3041: 		    }
                   3042: 		    $current_output .= $rendered;
1.284     albertel 3043: 		} else {
1.414     albertel 3044: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3045: 		    if ($remove_latex_header ne 'NO') {
                   3046: 			$rendered = &latex_header_footer_remove($rendered);
                   3047: 		    } else {
                   3048: 			$rendered =~ s/\\end{document}//;
                   3049: 		    }
                   3050: 		    $current_output .= $rendered;
1.284     albertel 3051: 		}
                   3052: 	    }
                   3053: 	    $remove_latex_header = 'YES';
1.550     foxr     3054: 	} 
1.331     albertel 3055: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3056:     }
1.552     foxr     3057: 
1.583     raeburn  3058:     if ($syllabus_first) {
                   3059:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3060:     }
1.284     albertel 3061:     my $courseidinfo = &get_course();
1.583.2.1  raeburn  3062:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   3063:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1.284     albertel 3064:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3065:     my $header_line =
1.486     foxr     3066: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.583.2.1  raeburn  3067: 			    $currentassignment, $courseidinfo, $fullname);
1.476     albertel 3068:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3069: 	                                         : '\fancyhead[LO]';
                   3070:     $header_line = $header_start.'{'.$header_line.'}';
1.583     raeburn  3071:     if ($current_output=~/\\documentclass/) {
1.476     albertel 3072: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 3073:     } else {
1.476     albertel 3074: 	my $blankpages = 
                   3075: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3076: 	    
                   3077: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3078: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3079: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3080: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3081:     }
1.440     foxr     3082:     #
                   3083:     #  Close the student bracketing.
                   3084:     #
1.375     foxr     3085:     return ($current_output,$fullname, $printed);
1.284     albertel 3086: 
                   3087: }
1.140     sakharuk 3088: 
1.3       sakharuk 3089: sub handler {
                   3090: 
                   3091:     my $r = shift;
1.397     albertel 3092:     
                   3093:     &init_perm();
1.114     bowersj2 3094: 
1.416     foxr     3095: 
1.67      www      3096: 
1.397     albertel 3097:     my $helper = printHelper($r);
                   3098:     if (!ref($helper)) {
                   3099: 	return $helper;
1.60      sakharuk 3100:     }
1.177     sakharuk 3101:    
1.184     sakharuk 3102: 
1.454     foxr     3103:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3104:  
1.416     foxr     3105: 
1.350     foxr     3106: 
                   3107: 
1.367     foxr     3108:     #  If a figure conversion queue file exists for this user.domain
                   3109:     # we delete it since it can only be bad (if it were good, printout.pl
                   3110:     # would have deleted it the last time around.
                   3111: 
1.373     albertel 3112:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3113:     if(-e $conversion_queuefile) {
                   3114: 	unlink $conversion_queuefile;
                   3115:     }
1.515     foxr     3116:     
                   3117: 
1.184     sakharuk 3118:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3119:     return OK;
1.60      sakharuk 3120: } 
1.2       sakharuk 3121: 
1.131     bowersj2 3122: use Apache::lonhelper;
1.130     sakharuk 3123: 
1.223     bowersj2 3124: sub addMessage {
                   3125:     my $text = shift;
                   3126:     my $paramHash = Apache::lonhelper::getParamHash();
                   3127:     $paramHash->{MESSAGE_TEXT} = $text;
                   3128:     Apache::lonhelper::message->new();
                   3129: }
                   3130: 
1.416     foxr     3131: 
1.238     bowersj2 3132: 
1.397     albertel 3133: sub init_perm {
                   3134:     undef(%perm);
                   3135:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3136:     if (!$perm{'pav'}) {
                   3137: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3138: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3139:     }
1.465     albertel 3140:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3141:     if (!$perm{'pfo'}) {
                   3142: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3143: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3144:     }
1.583.2.4! raeburn  3145:     $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
        !          3146:     if (!$perm{'vgr'}) {
        !          3147:         $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
        !          3148:                    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
        !          3149:     }
1.397     albertel 3150: }
                   3151: 
1.507     albertel 3152: sub get_randomly_ordered_warning {
                   3153:     my ($helper,$map) = @_;
                   3154: 
                   3155:     my $message;
                   3156: 
                   3157:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3158:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3159:     if (defined($navmap)) {
                   3160:         my $res = $navmap->getResourceByUrl($map);
                   3161:         if ($res) {
                   3162: 	    my $func = 
                   3163: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3164: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3165: 	    if (@matches) {
                   3166: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3167: 	    }
                   3168:         }
                   3169:         if ($message) {
                   3170: 	    return '<message type="warning">'.$message.'</message>';
                   3171:         }
                   3172:     } else {
                   3173:         $message = "Retrieval of information about ordering of resources failed."; 
                   3174:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3175:     }
                   3176:     return;
                   3177: }
                   3178: 
1.131     bowersj2 3179: sub printHelper {
1.115     bowersj2 3180:     my $r = shift;
                   3181: 
                   3182:     if ($r->header_only) {
1.373     albertel 3183:         if ($env{'browser.mathml'}) {
1.241     www      3184:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3185:         } else {
1.241     www      3186:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3187:         }
                   3188:         $r->send_http_header;
                   3189:         return OK;
1.115     bowersj2 3190:     }
                   3191: 
1.131     bowersj2 3192:     # Send header, nocache
1.373     albertel 3193:     if ($env{'browser.mathml'}) {
1.241     www      3194:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3195:     } else {
1.241     www      3196:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3197:     }
                   3198:     &Apache::loncommon::no_cache($r);
                   3199:     $r->send_http_header;
                   3200:     $r->rflush();
                   3201: 
1.131     bowersj2 3202:     # Unfortunately, this helper is so complicated we have to
                   3203:     # write it by hand
                   3204: 
                   3205:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3206:     
1.176     bowersj2 3207:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3208:     $helper->declareVar('symb');
1.156     bowersj2 3209:     $helper->declareVar('postdata');    
1.290     sakharuk 3210:     $helper->declareVar('curseed'); 
                   3211:     $helper->declareVar('probstatus');   
1.156     bowersj2 3212:     $helper->declareVar('filename');
                   3213:     $helper->declareVar('construction');
1.178     sakharuk 3214:     $helper->declareVar('assignment');
1.262     sakharuk 3215:     $helper->declareVar('style_file');
1.340     foxr     3216:     $helper->declareVar('student_sort');
1.363     foxr     3217:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3218:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3219:     $helper->declareVar("showallfoils");
1.483     foxr     3220:     $helper->declareVar("STUDENTS");
1.569     foxr     3221:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3222: 
                   3223:    
                   3224: 
                   3225: 
1.569     foxr     3226:     #  The page breaks and extra spaces
                   3227:     #  can get loaded initially from the course environment:
1.394     foxr     3228:     # But we only do this in the initial state so that they are allowed to change.
                   3229:     #
1.366     foxr     3230: 
1.363     foxr     3231:     
                   3232:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3233: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3234: 						 'extraspace'  => 'scalar',
1.570     foxr     3235: 						 'extraspace_units' => 'scalar',
1.366     foxr     3236: 					         'lastprinttype' => 'scalar'});
                   3237:     
1.483     foxr     3238:     # This will persistently load in the data we want from the
                   3239:     # very first screen.
1.394     foxr     3240:     
                   3241:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3242: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3243: 	    
                   3244: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3245: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3246: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3247: 	} else {
                   3248: 	    my $state = $env{"form.CURRENT_STATE"};
                   3249: 	    if ($state eq "START") {
                   3250: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3251: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3252: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3253: 		
1.394     foxr     3254: 	    }
                   3255: 	}
                   3256: 	
1.366     foxr     3257:     }
1.481     albertel 3258: 
1.156     bowersj2 3259:     # Detect whether we're coming from construction space
1.373     albertel 3260:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3261:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3262:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3263:     } else {
1.373     albertel 3264:         if ($env{'form.postdata'}) {
                   3265:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3266: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3267: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3268: 	    }
1.156     bowersj2 3269:         }
1.373     albertel 3270:         if ($env{'form.symb'}) {
                   3271:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3272:         }
1.373     albertel 3273:         if ($env{'form.url'}) {
1.156     bowersj2 3274:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3275:         }
1.416     foxr     3276: 
1.157     bowersj2 3277:     }
1.481     albertel 3278: 
1.373     albertel 3279:     if ($env{'form.symb'}) {
                   3280:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3281:     }
1.373     albertel 3282:     if ($env{'form.url'}) {
1.140     sakharuk 3283:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3284: 
1.140     sakharuk 3285:     }
1.343     albertel 3286:     $helper->{VARS}->{'symb'}=
                   3287: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3288:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3289:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3290: 
1.156     bowersj2 3291:     
1.146     bowersj2 3292:     # Extract map
                   3293:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3294:     my ($map, $id, $url);
                   3295:     my $subdir;
1.483     foxr     3296:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3297: 
                   3298:     # Get the resource name from construction space
                   3299:     if ($helper->{VARS}->{'construction'}) {
                   3300:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3301:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3302:         $subdir = substr($helper->{VARS}->{'filename'},
                   3303:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3304:     } else {
1.562     foxr     3305: 	# From course space:
                   3306: 
1.482     albertel 3307: 	if ($symb ne '') {
                   3308: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3309: 	    $helper->{VARS}->{'postdata'} = 
                   3310: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3311: 	} else {
                   3312: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3313: 	    $is_published=1;	# From resource space.
1.482     albertel 3314: 	}
                   3315: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3316:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3317:             my $postdata = $helper->{VARS}->{'postdata'};
                   3318:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3319:         }
                   3320:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3321:     }
1.373     albertel 3322:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3323: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3324:     }
1.373     albertel 3325:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3326: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3327:     }
1.115     bowersj2 3328: 
1.192     bowersj2 3329:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3330: 
1.481     albertel 3331:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3332: 
1.131     bowersj2 3333:     # "Delete everything after the last slash."
1.119     bowersj2 3334:     $subdir =~ s|/[^/]+$||;
                   3335: 
1.131     bowersj2 3336:     # What can be printed is a very dynamic decision based on
                   3337:     # lots of factors. So we need to dynamically build this list.
                   3338:     # To prevent security leaks, states are only added to the wizard
                   3339:     # if they can be reached, which ensures manipulating the form input
                   3340:     # won't allow anyone to reach states they shouldn't have permission
                   3341:     # to reach.
                   3342: 
                   3343:     # printChoices is tracking the kind of printing the user can
                   3344:     # do, and will be used in a choices construction later.
                   3345:     # In the meantime we will be adding states and elements to
                   3346:     # the helper by hand.
                   3347:     my $printChoices = [];
                   3348:     my $paramHash;
1.130     sakharuk 3349: 
1.240     albertel 3350:     if ($resourceTitle) {
1.458     www      3351:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3352:     }
                   3353: 
1.238     bowersj2 3354:     # Useful filter strings
1.540     raeburn  3355:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3356:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3357:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3358:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3359:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3360:     my $isMap = '$res->is_map()';
1.342     albertel 3361:     my $symbFilter = '$res->shown_symb()';
                   3362:     my $urlValue = '$res->link()';
1.238     bowersj2 3363: 
                   3364:     $helper->declareVar('SEQUENCE');
                   3365: 
1.465     albertel 3366:     # If we're in a sequence...
1.416     foxr     3367: 
1.465     albertel 3368:     my $start_new_option;
                   3369:     if ($perm{'pav'}) {
                   3370: 	$start_new_option = 
                   3371: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     3372: 	    "' variable='FINISHPAGE' />".
1.570     foxr     3373: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     3374: 	    "' variable='EXTRASPACE' type='text' />" .
                   3375: 	    "<option " .
1.570     foxr     3376: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   3377: 	    "<option text='".&mt('Space units<br />check for mm').
                   3378: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   3379: 	    ;
                   3380: 	    
1.569     foxr     3381: 
1.465     albertel 3382:     }
1.238     bowersj2 3383: 
1.562     foxr     3384:     # If not construction space user can print the components of a page:
                   3385: 
                   3386:     my $page_ispage;
                   3387:     my $page_title;
                   3388:     if (!$helper->{VARS}->{'construction'}) {
                   3389: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3390: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3391: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3392: 	if (defined($page_navmap)) {
                   3393: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3394: 	    if(defined($page_resources[0])) {
                   3395: 		$page_ispage       = $page_resources[0]->is_page();
                   3396: 		$page_title     = $page_resources[0]->title();
                   3397: 		my $resourcesymb   = $page_resources[0]->symb();
                   3398: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3399: 		if ($page_ispage) {
                   3400: 		    push @{$printChoices}, 
                   3401: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3402: 		     'map_problems_in_page', 
                   3403: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3404: 		    push @{$printChoices}, 
                   3405: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3406: 		     'map_resources_in_page', 
                   3407: 		     'CHOOSE_RESOURCES_PAGE'];
                   3408: 		}
1.562     foxr     3409:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3410: 							'Select Problem(s) to print',
                   3411: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3412: 							'RESOURCES',
                   3413: 							'PAGESIZE',
                   3414: 							$url,
                   3415: 							$isProblem, '',  $symbFilter,
                   3416: 							$start_new_option);
                   3417: 
                   3418: 
                   3419:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3420: 						    'Select Resource(s) to print',
                   3421: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3422: 						    'RESOURCES',
                   3423: 						    'PAGESIZE',
                   3424: 						    $url,
                   3425: 						    $isNotMap, '', $symbFilter,
                   3426: 						    $start_new_option);
                   3427: 
                   3428: 						    
                   3429: 
                   3430: 
                   3431: 
                   3432: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3433: 	
1.563     foxr     3434: 	    }
                   3435: 	}
1.562     foxr     3436:     }
                   3437: 
                   3438:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3439: 	$helper->{VARS}->{'postdata'} &&
                   3440: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3441:         # Allow problems from sequence
1.562     foxr     3442:         push @{$printChoices}, 
                   3443: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3444: 	     'map_problems', 
                   3445: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3446:         # Allow all resources from sequence
1.562     foxr     3447:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3448: 				'map_problems_pages', 
                   3449: 				'CHOOSE_PROBLEMS_HTML'];
                   3450:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3451: 							'Select Problem(s) to print',
                   3452: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3453: 							'RESOURCES',
                   3454: 							'PAGESIZE',
                   3455: 							$map,
                   3456: 							$isProblem, '',
                   3457: 							$symbFilter,
                   3458: 							$start_new_option);
                   3459: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3460: 						      'Select Resource(s) to print',
                   3461: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3462: 						      'RESOURCES',
                   3463: 						      'PAGESIZE',
                   3464: 						      $map,
                   3465: 						      $isNotMap, '',
                   3466: 						      $symbFilter,
                   3467: 						      $start_new_option);
1.121     bowersj2 3468: 
1.326     sakharuk 3469: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3470:     }
                   3471: 
1.546     bisitz   3472:     # If the user has pfo (print for others) allow them to print all 
                   3473:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3474:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3475:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3476:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3477: 
1.509     albertel 3478:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3479: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3480: 	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     3481: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3482:   <state name="STUDENTS1" title="Select People">
                   3483:       <message><b>Select sorting order of printout</b> </message>
                   3484:     <choices variable='student_sort'>
                   3485:       <choice computer='0'>Sort by section then student</choice>
                   3486:       <choice computer='1'>Sort by students across sections.</choice>
                   3487:     </choices>
                   3488:       <message><br /><hr /><br /> </message>
                   3489:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3490:   </state>
1.284     albertel 3491: ALL_PROBLEMS
1.562     foxr     3492:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3493: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3494: 							      'SelectProblem(s) to print',
                   3495: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3496: 							      'RESOURCES',
                   3497: 							      'PAGESIZE',
                   3498: 							      '',
                   3499: 							      $isProblemOrMap, $isNotMap,
                   3500: 							      $symbFilter,
                   3501: 							      $start_new_option) .
                   3502: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3503: 							      'Select Resource(s) to print',
                   3504: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3505: 							      'RESOURCES',
                   3506: 							      'PAGESIZE',
                   3507: 							      '',
                   3508: 							      $isNotMap,'',$symbFilter,
                   3509: 							      $start_new_option) .
                   3510: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3511: 							      'Select Problem(s) to print',
                   3512: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3513: 							      'RESOURCES',
                   3514: 							      'STUDENTS1',
                   3515: 							      '',
                   3516: 							      $isProblemOrMap,'' , $symbFilter,
                   3517: 							      $start_new_option) .
                   3518: 				     $suffixXml
                   3519: 				   );
1.132     bowersj2 3520: 
1.284     albertel 3521: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3522: 
                   3523: 	    # If we were looking at a page, allow a selection of problems from the page
                   3524: 	    # either for selected students or for coded assignments.
                   3525: 
                   3526: 	    if ($page_ispage) {
                   3527: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3528: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3529: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3530: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3531: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3532: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3533: 	    }
                   3534: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3535: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3536: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3537: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3538: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3539: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3540: 	}
1.424     foxr     3541: 
1.507     albertel 3542: 	my $randomly_ordered_warning = 
                   3543: 	    &get_randomly_ordered_warning($helper,$map);
                   3544: 
1.424     foxr     3545: 	# resource_selector will hold a few states that:
                   3546: 	#   - Allow resources to be selected for printing.
                   3547: 	#   - Determine pagination between assignments.
                   3548: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3549:         # TODO:
                   3550: 	#    Probably good to do things like separate this up into several vars, each
                   3551: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3552: 	#    and next states for better mix and match capability
                   3553: 	#
1.562     foxr     3554: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3555: 							  'Select resources to print',
                   3556: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3557: 							  'RESOURCES', 
                   3558: 							  'PRINT_FORMATTING',
1.571     droeschl 3559: 							  $map,
1.562     foxr     3560: 							  $isProblem, '', $symbFilter,
                   3561: 							  $start_new_option);
                   3562: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3563:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3564:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3565:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3566:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3567:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3568:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3569:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3570:     </choices>
1.424     foxr     3571:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3572:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3573:     <choices variable="SPLIT_PDFS">
                   3574:        <choice computer="all">All assignments in a single PDF file</choice>
                   3575:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3576:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3577:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3578:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3579:     </choices>
1.424     foxr     3580:     </state>
1.284     albertel 3581: RESOURCE_SELECTOR
1.562     foxr     3582:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3583: 							'Select Problem(s) to print',
                   3584: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3585: 							'RESOURCES',
                   3586: 							'PRINT_FORMATTING',
                   3587: 							$url,
                   3588: 							$isProblem, '',  $symbFilter,
                   3589: 							$start_new_option);
                   3590: 
                   3591: 
                   3592: # Generate student choosers.
                   3593: 
                   3594: 
1.284     albertel 3595: 
1.562     foxr     3596:         &Apache::lonxml::xmlparse($r, 'helper',
                   3597: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3598: 							    'student_sort',
                   3599: 							    'STUDENTS',
                   3600: 							    'CHOOSE_STUDENTS_PAGE'));
                   3601: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3602: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3603: 							    'student_sort',
                   3604: 							    'STUDENTS',
                   3605: 							    'SELECT_PROBLEMS'));
                   3606: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3607: 
1.373     albertel 3608: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3609: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3610:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3611: 	my $namechoice='<choice></choice>';
1.337     albertel 3612: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3613: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3614: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3615: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3616: 	}
1.389     foxr     3617: 
                   3618: 
                   3619: 	my %code_values;
1.405     albertel 3620: 	my %codes_to_print;
1.411     albertel 3621: 	foreach my $key (@names) {
1.389     foxr     3622: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3623: 	    foreach my $key (keys(%code_values)) {
                   3624: 		$codes_to_print{$key} = 1;
1.388     foxr     3625: 	    }
                   3626: 	}
1.389     foxr     3627: 
1.452     albertel 3628: 	my $code_selection;
1.405     albertel 3629: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3630: 	    my $choice  = $code;
                   3631: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3632: 		$choice = &letters_to_num($code);
                   3633: 	    }
1.432     albertel 3634: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3635: 	}
1.436     albertel 3636: 	if (%codes_to_print) {
                   3637: 	    $code_selection .='   
1.472     albertel 3638: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3639: 		<message></td><td></message>
1.452     albertel 3640: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3641:                   <choice></choice>
1.448     albertel 3642:                   <exec>
                   3643:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3644:                   </exec>
1.452     albertel 3645: 		</dropdown>
1.468     foxr     3646: 	    <message></td></tr><tr><td></message>
1.436     albertel 3647:             '.$/;
1.448     albertel 3648: 
1.436     albertel 3649: 	}
1.432     albertel 3650: 
1.542     raeburn  3651:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3652: 	my $codechoice='';
1.542     raeburn  3653: 	foreach my $line (@lines) {
1.381     albertel 3654: 	    my ($name,$description,$code_type,$code_length)=
                   3655: 		(split(/:/,$line))[0,1,2,4];
                   3656: 	    if ($code_length > 0 && 
                   3657: 		$code_type =~/^(letter|number|-1)/) {
                   3658: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3659: 	    }
                   3660: 	}
                   3661: 	if ($codechoice eq '') {
                   3662: 	    $codechoice='<choice computer="default">Default</choice>';
                   3663: 	}
1.562     foxr     3664: 	my $anon1 = &generate_code_selector($helper, 
                   3665: 					    'CHOOSE_ANON1',
                   3666: 					    'SELECT_PROBLEMS',
                   3667: 					    $codechoice,
                   3668: 					    $code_selection,
                   3669: 					    $namechoice) . $resource_selector;
                   3670: 					    
                   3671: 					    
                   3672:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3673: 
                   3674: 	my $anon_page = &generate_code_selector($helper,
                   3675: 						'CHOOSE_ANON1_PAGE',
                   3676: 						'SELECT_PROBLEMS_PAGE',
                   3677: 						$codechoice,
                   3678: 						$code_selection,
                   3679: 						$namechoice) .
                   3680: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3681: 						   'Select Problem(s) to print',
                   3682: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3683: 						   'RESOURCES',
                   3684: 						   'PRINT_FORMATTING',
                   3685: 						   $url,
                   3686: 						   $isProblem, '',  $symbFilter,
                   3687: 						   $start_new_option);
                   3688: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3689: 
1.272     sakharuk 3690: 
1.254     sakharuk 3691: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3692: 	    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'];
                   3693: 	    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 3694: 	}
1.284     albertel 3695: 	    
                   3696: 
                   3697: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3698:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3699:     $randomly_ordered_warning
1.424     foxr     3700:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3701:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3702:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3703:               closeallpages="1">
1.254     sakharuk 3704:       <filterfunc>return $isNotMap;</filterfunc>
                   3705:       <mapurl>$map</mapurl>
                   3706:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3707:       $start_new_option
1.254     sakharuk 3708:       </resource>
1.424     foxr     3709:     </state>
1.562     foxr     3710: 
1.424     foxr     3711:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3712:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3713:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3714:     <choices variable="EMPTY_PAGES">
                   3715:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3716:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3717:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3718:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3719:     </choices>
1.424     foxr     3720:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3721:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3722:     <choices variable="SPLIT_PDFS">
                   3723:        <choice computer="all">All assignments in a single PDF file</choice>
                   3724:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3725:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3726:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3727:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3728:     </choices>
1.424     foxr     3729:     </state>
1.284     albertel 3730: RESOURCE_SELECTOR
                   3731: 
                   3732: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3733:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3734:     <choices variable='student_sort'>
                   3735:       <choice computer='0'>Sort by section then student</choice>
                   3736:       <choice computer='1'>Sort by students across sections.</choice>
                   3737:     </choices>
1.437     foxr     3738:     <message><br /><hr /><br /></message>
1.426     foxr     3739:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3740: 
1.424     foxr     3741:     </state>
1.284     albertel 3742:     $resource_selector
1.254     sakharuk 3743: CHOOSE_STUDENTS1
                   3744: 
1.284     albertel 3745: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3746:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3747:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3748:     <message><h4>Fill out one of the forms below</h4></message>
                   3749:     <message><br /><hr /> <br /></message>
                   3750:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3751:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     3752:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 3753:        <validator>
                   3754: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3755: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3756: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3757: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3758: 	    return "You need to specify the number of assignments to print";
                   3759: 	}
1.578     foxr     3760:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   3761:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   3762:             return 'Specifying number of codes to print and a specific code is not compatible';
                   3763:         }
1.362     albertel 3764: 	return undef;
                   3765:        </validator>
                   3766:     </string>
                   3767:     <message></td></tr><tr><td></message>
1.501     albertel 3768:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3769:     <message></td><td></message>
                   3770:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3771:     <message></td></tr><tr><td></message>
                   3772:     <message><b>Bubble sheet type:</b></message>
                   3773:     <message></td><td></message>
                   3774:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3775:     $codechoice
                   3776:     </dropdown>
1.472     albertel 3777:     <message></td></tr><tr><td></table></message>
                   3778:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3779:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3780:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3781:         <validator>
                   3782: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3783: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3784: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3785: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3786: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     3787: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     3788: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     3789: 	   } else {
                   3790: 	       return undef;	# Other forces control us.
                   3791: 	   }
                   3792:         </validator>
                   3793:     </string>
1.472     albertel 3794:     <message></td></tr><tr><td></message>
1.432     albertel 3795:         $code_selection
1.472     albertel 3796:     <message></td></tr></table></message>
                   3797:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3798:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3799:     <message></td><td></message>
1.294     albertel 3800:     <dropdown variable="REUSE_OLD_CODES">
                   3801:         $namechoice
                   3802:     </dropdown>
1.412     albertel 3803:     <message></td></tr></table></message>
1.424     foxr     3804:   </state>
1.284     albertel 3805:     $resource_selector
                   3806: CHOOSE_ANON2
1.481     albertel 3807:     }
                   3808: 
1.121     bowersj2 3809:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3810:     if (($perm{'pav'} 
1.482     albertel 3811: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3812: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3813: 	    ||
                   3814: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3815: 	     && 
                   3816: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3817: 	    )) 
                   3818: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3819: 	) {
                   3820: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3821:         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 3822:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3823:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3824: 
1.138     bowersj2 3825:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3826:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3827:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3828: CHOOSE_FROM_SUBDIR
                   3829:         
1.238     bowersj2 3830:         # this is broken up because I really want interpolation above,
                   3831:         # and I really DON'T want it below
1.139     bowersj2 3832:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3833:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3834: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3835:       </filefilter>
1.138     bowersj2 3836:       </files>
1.131     bowersj2 3837:     </state>
                   3838: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3839:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3840:     }
1.238     bowersj2 3841: 
                   3842:     # Allow the user to select any sequence in the course, feed it to
                   3843:     # another resource selector for that sequence
1.483     foxr     3844:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3845: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3846: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3847: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3848: 	#Escape apostrophes and backslashes for Perl
                   3849: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3850: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3851: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3852:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3853:     <message>Select the sequence to print resources from:</message>
                   3854:     <resource variable="SEQUENCE">
                   3855:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3856:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3857:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3858:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3859: 	</choicefunc>
1.238     bowersj2 3860:       </resource>
                   3861:     </state>
                   3862:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3863:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3864:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3865:               closeallpages="1">
1.238     bowersj2 3866:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3867:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3868:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3869:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3870:       $start_new_option
1.238     bowersj2 3871:       </resource>
                   3872:     </state>
                   3873: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3874: }
1.481     albertel 3875: 
1.131     bowersj2 3876:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3877:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3878:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3879:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3880:     Apache::lonhelper::message->new();
                   3881:     $paramHash = Apache::lonhelper::getParamHash();
                   3882:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3883:     $paramHash->{CHOICES} = $printChoices;
                   3884:     Apache::lonhelper::choices->new();
1.161     bowersj2 3885: 
1.223     bowersj2 3886:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3887:                           # to close it later)
                   3888: 
1.583.2.4! raeburn  3889:     if (($perm{'pav'} and $perm{'vgr'}) or 
1.170     sakharuk 3890: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3891: 	&addMessage('<br />'
                   3892:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3893:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3894:                    .&Apache::lonhtmlcommon::row_title(
                   3895:                        '<label for="ANSWER_TYPE_forminput">'
                   3896:                       .&mt('Print Answers')
                   3897:                       .'</label>'
                   3898:                     )
                   3899:         );
1.161     bowersj2 3900:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3901: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3902: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3903:         $paramHash->{CHOICES} = [
1.242     sakharuk 3904:                                    ['Without Answers', 'yes'],
                   3905:                                    ['With Answers', 'no'],
1.368     albertel 3906:                                    ['Only Answers', 'only']
1.289     sakharuk 3907:                                 ];
1.210     sakharuk 3908:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3909: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3910: 	$startedTable = 1;
1.556     foxr     3911: 
                   3912: #
                   3913: #  Select font size.
                   3914: #
                   3915: 
                   3916:             $helper->declareVar('fontsize');
                   3917:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3918:             my $xmlfrag = << "FONT_SELECTION";
                   3919: 
                   3920:           
                   3921:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3922:             <defaultvalue>
                   3923: 		  return 'normalsize';
                   3924:             </defaultvalue>
                   3925:             <choice computer='tiny'>Tiny</choice>
                   3926:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3927:             <choice computer='footnotesize'>Footnote Size</choice>
                   3928:             <choice computer='small'>Small</choice>
                   3929:             <choice computer='normalsize'>Normal (default)</choice>
                   3930:             <choice computer='large'>larger than normal</choice>
                   3931:             <choice computer='Large'>Even larger than normal</choice>
                   3932:             <choice computer='LARGE'>Still larger than normal</choice>
                   3933:             <choice computer='huge'>huge font size</choice>
                   3934:             <choice computer='Huge'>Largest possible size</choice>
                   3935:             </dropdown>
                   3936: FONT_SELECTION
                   3937:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3938:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3939:     }
1.209     sakharuk 3940: 
1.397     albertel 3941:     if ($perm{'pav'}) {
1.223     bowersj2 3942: 	if (!$startedTable) {
1.497     www      3943: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3944:                        '<label for="LATEX_TYPE_forminput">'.
                   3945:                        &mt('LaTeX mode').
                   3946:                        "</label>: </td><td>");
1.223     bowersj2 3947: 	    $startedTable = 1;
                   3948: 	} else {
1.544     bisitz   3949: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3950:                            '<label for="LATEX_TYPE_forminput">'
                   3951:                            .&mt('LaTeX mode')
                   3952:                            .'</label>'
                   3953:                         )
                   3954:             );
1.223     bowersj2 3955: 	}
1.203     sakharuk 3956:         $paramHash = Apache::lonhelper::getParamHash();
                   3957: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3958: 	$helper->declareVar('LATEX_TYPE');  
                   3959: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3960: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3961: 				     ['standard LaTeX mode', 'standard'], 
                   3962: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3963: 	} else {
                   3964: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3965: 				     ['LaTeX batchmode', 'batchmode'],
                   3966: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3967: 	}
1.210     sakharuk 3968:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3969:  
1.544     bisitz   3970: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3971:                    .&Apache::lonhtmlcommon::row_title(
                   3972:                         '<label for="TABLE_CONTENTS_forminput">'
                   3973:                        .&mt('Print Table of Contents')
                   3974:                        .'</label>'
                   3975:                     )
                   3976:         );
1.209     sakharuk 3977:         $paramHash = Apache::lonhelper::getParamHash();
                   3978: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3979: 	$helper->declareVar('TABLE_CONTENTS');         
                   3980:         $paramHash->{CHOICES} = [
1.223     bowersj2 3981:                                    ['No', 'no'],
                   3982:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3983:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3984: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3985:         
1.220     sakharuk 3986: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3987: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3988:                             '<label for="TABLE_INDEX_forminput">'
                   3989:                            .&mt('Print Index')
                   3990:                            .'</label>'
                   3991:                         )
                   3992:             );
1.220     sakharuk 3993: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3994: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3995: 	    $helper->declareVar('TABLE_INDEX');         
                   3996: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3997: 				     ['No', 'no'],
                   3998: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3999: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4000:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   4001:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   4002:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   4003:                            .&mt('Print Discussions')
                   4004:                            .'</label>'
                   4005:                         )
                   4006:             );
1.309     sakharuk 4007: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4008: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4009: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4010: 	    $paramHash->{CHOICES} = [
                   4011: 				     ['No', 'no'],
                   4012: 				     ['Yes', 'yes'] ];
                   4013: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4014:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4015: 
1.511     foxr     4016: 	    # Prompt for printing annotations too.
                   4017: 		
1.545     bisitz   4018: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4019:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4020:                            .&mt('Print Annotations')
                   4021:                            .'</label>'
                   4022:                         )
                   4023:             );
1.511     foxr     4024: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4025: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4026: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4027: 	    $paramHash->{CHOICES} = [
                   4028: 				     ['No', 'no'],
                   4029: 				     ['Yes', 'yes']];
                   4030: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4031:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4032: 
1.545     bisitz   4033:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4034: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4035: 	    $paramHash->{'multichoice'} = "true";
                   4036: 	    $paramHash->{'allowempty'}  = "true";
                   4037: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4038: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4039: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4040:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4041: 	}
1.219     sakharuk 4042: 
1.230     albertel 4043: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4044: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4045:             my $randseedtext=&mt("Use random seed");
                   4046:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4047:             my $selectfiletext=&mt("Select style file");
1.497     www      4048: 
1.544     bisitz   4049: 	    my $xmlfrag .= '<message>'
                   4050:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4051:                                               .$randseedtext
                   4052:                                               .'</label>'
                   4053:              )
                   4054:             .'</message>
                   4055:             <string variable="curseed" size="15" maxlength="15">
                   4056:                 <defaultvalue>
                   4057:                    return '.$helper->{VARS}->{'curseed'}.';
                   4058:                 </defaultvalue>'
                   4059:             .'</string>'
                   4060:             .'<message>'
                   4061:             .&Apache::lonhtmlcommon::row_closure()
                   4062:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4063:                                               .$stylefiletext
                   4064:                                               .'</label>'
                   4065:              )
                   4066:             .'</message>
1.504     albertel 4067:              <string variable="style_file" size="40">
1.544     bisitz   4068:                 <defaultvalue>
                   4069:                     return '.$stylevalue.';
                   4070:                 </defaultvalue>
                   4071:              </string><message>&nbsp;'
                   4072: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4073: .$selectfiletext.'</a>'
                   4074:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4075:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4076:             .'</message>
1.371     foxr     4077: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4078:                 <choice computer="1">&nbsp;</choice>
                   4079:              </choices>'
                   4080: 	    .'<message>'
                   4081:             .&Apache::lonhtmlcommon::row_closure()
                   4082:             .'</message>';
1.230     albertel 4083:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4084: 
                   4085: 
1.544     bisitz   4086:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4087: 	    #
                   4088: 	    # Initial value from construction space:
                   4089: 	    #
                   4090: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4091: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4092: 	    }
1.518     foxr     4093: 	    $xmlfrag = << "PROBTYPE";
                   4094: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4095: 		   <defaultvalue>
                   4096: 		      return "$helper->{VARS}->{'probstatus'}";
                   4097:                    </defaultvalue>
                   4098: 		   <choice computer="problem">Homework Problem</choice>
                   4099: 		   <choice computer="exam">Exam Problem</choice>
                   4100: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4101:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4102: 		</dropdown>
                   4103: PROBTYPE
                   4104:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4105:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4106: 
1.556     foxr     4107: 
                   4108: 
1.544     bisitz   4109:         }
1.223     bowersj2 4110:     }
1.264     sakharuk 4111: 
                   4112: 
                   4113: 
1.218     sakharuk 4114: 
1.223     bowersj2 4115:     if ($startedTable) {
1.544     bisitz   4116:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4117:     }
1.161     bowersj2 4118: 
1.131     bowersj2 4119:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4120: 
1.144     bowersj2 4121:     # Generate the PAGESIZE state which will offer the user the margin
                   4122:     # choices if they select one column
                   4123:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4124:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4125: 
                   4126: 
1.131     bowersj2 4127:     $helper->process();
                   4128: 
1.416     foxr     4129: 
1.131     bowersj2 4130:     # MANUAL BAILOUT CONDITION:
                   4131:     # If we're in the "final" state, bailout and return to handler
                   4132:     if ($helper->{STATE} eq 'FINAL') {
                   4133:         return $helper;
                   4134:     }    
1.130     sakharuk 4135: 
1.583.2.3  raeburn  4136:     my $footer;
1.395     www      4137:     if ($helper->{STATE} eq 'START') {
1.583.2.3  raeburn  4138:         my $prtspool=$r->dir_config('lonPrtDir');
                   4139:         $footer = &recently_generated($prtspool);
1.395     www      4140:     }
1.583.2.3  raeburn  4141:     $r->print($helper->display($footer));
1.333     albertel 4142:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4143: 
                   4144:     return OK;
                   4145: }
                   4146: 
1.1       www      4147: 
                   4148: 1;
1.119     bowersj2 4149: 
                   4150: package Apache::lonprintout::page_format_state;
                   4151: 
                   4152: =pod
                   4153: 
1.131     bowersj2 4154: =head1 Helper element: page_format_state
                   4155: 
                   4156: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4157: 
1.131     bowersj2 4158: Apache::lonprintout::page_format_state is an element that gives the 
                   4159: user an opportunity to select the page layout they wish to print 
                   4160: with: Number of columns, portrait/landscape, and paper size. If you 
                   4161: want to change the paper size choices, change the @paperSize array 
                   4162: contents in this package.
1.119     bowersj2 4163: 
1.131     bowersj2 4164: page_format_state is always directly invoked in lonprintout.pm, so there
                   4165: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4166: 
                   4167: =over 4
                   4168: 
1.131     bowersj2 4169: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4170: 
                   4171: =back
                   4172: 
                   4173: =cut
                   4174: 
1.131     bowersj2 4175: use Apache::lonhelper;
1.119     bowersj2 4176: 
                   4177: no strict;
1.131     bowersj2 4178: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4179: use strict;
1.266     sakharuk 4180: use Apache::lonlocal;
1.373     albertel 4181: use Apache::lonnet;
1.119     bowersj2 4182: 
                   4183: my $maxColumns = 2;
1.376     albertel 4184: # it'd be nice if these all worked
                   4185: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4186: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4187: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4188: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4189: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4190: 		 "a4 [210x297 mm]");
1.119     bowersj2 4191: 
                   4192: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4193: #                   Paper type
                   4194: 
                   4195: sub new { 
1.131     bowersj2 4196:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4197: 
1.135     bowersj2 4198:     shift;
                   4199: 
1.131     bowersj2 4200:     $self->{'variable'} = shift;
1.134     bowersj2 4201:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4202:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4203:     bless($self);
1.119     bowersj2 4204:     return $self;
                   4205: }
                   4206: 
                   4207: sub render {
                   4208:     my $self = shift;
1.131     bowersj2 4209:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4210:     my $result = '';
1.131     bowersj2 4211:     my $var = $self->{'variable'};
1.266     sakharuk 4212:     my $PageLayout=&mt('Page layout');
                   4213:     my $NumberOfColumns=&mt('Number of columns');
                   4214:     my $PaperType=&mt('Paper type');
1.506     albertel 4215:     my $landscape=&mt('Landscape');
                   4216:     my $portrait=&mt('Portrait');
1.556     foxr     4217:     
                   4218: 
1.544     bisitz   4219:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4220:             .&Apache::loncommon::start_data_table()
                   4221:             .&Apache::loncommon::start_data_table_header_row()
                   4222:             .'<th>'.$PageLayout.'</th>'
                   4223:             .'<th>'.$NumberOfColumns.'</th>'
                   4224:             .'<th>'.$PaperType.'</th>'
                   4225:             .&Apache::loncommon::end_data_table_header_row()
                   4226:             .&Apache::loncommon::start_data_table_row()
                   4227:     .'<td>'
                   4228:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4229:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4230:     .'</td>';
1.119     bowersj2 4231: 
1.544     bisitz   4232:     $result.='<td align="center">'
                   4233:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4234: 
                   4235:     my $i;
                   4236:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4237:         if ($i == 2) {
1.553     bisitz   4238:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4239:         } else {
1.553     bisitz   4240:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4241:         }
                   4242:     }
                   4243: 
                   4244:     $result .= "</select></td><td>\n";
                   4245:     $result .= "<select name='${var}.paper'>\n";
                   4246: 
1.373     albertel 4247:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4248:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4249:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4250:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4251:     $i = 0;
                   4252:     foreach (@paperSize) {
1.326     sakharuk 4253: 	$_=~/(\w+)/;
                   4254: 	my $papersize=$1;
1.304     sakharuk 4255:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4256:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4257:         } else {
1.553     bisitz   4258:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4259:         }
                   4260:         $i++;
                   4261:     }
1.539     onken    4262:     $result .= <<HTML;
                   4263:         </select>
                   4264:     </td>
                   4265: HTML
1.544     bisitz   4266:     $result.=&Apache::loncommon::end_data_table_row()
                   4267:             .&Apache::loncommon::end_data_table();
1.539     onken    4268: 
1.119     bowersj2 4269:     return $result;
1.135     bowersj2 4270: }
                   4271: 
                   4272: sub postprocess {
                   4273:     my $self = shift;
                   4274: 
                   4275:     my $var = $self->{'variable'};
1.136     bowersj2 4276:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4277:     $helper->{VARS}->{$var} = 
1.373     albertel 4278:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4279:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4280:     return 1;
1.119     bowersj2 4281: }
                   4282: 
                   4283: 1;
1.144     bowersj2 4284: 
                   4285: package Apache::lonprintout::page_size_state;
                   4286: 
                   4287: =pod
                   4288: 
                   4289: =head1 Helper element: page_size_state
                   4290: 
                   4291: See lonhelper.pm documentation for discussion of the helper framework.
                   4292: 
                   4293: Apache::lonprintout::page_size_state is an element that gives the 
                   4294: user the opportunity to further refine the page settings if they
                   4295: select a single-column page.
                   4296: 
                   4297: page_size_state is always directly invoked in lonprintout.pm, so there
                   4298: is no tag interface. You actually pass parameters to the constructor.
                   4299: 
                   4300: =over 4
                   4301: 
                   4302: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4303: 
                   4304: =back
                   4305: 
                   4306: =cut
                   4307: 
                   4308: use Apache::lonhelper;
1.373     albertel 4309: use Apache::lonnet;
1.144     bowersj2 4310: no strict;
                   4311: @ISA = ("Apache::lonhelper::element");
                   4312: use strict;
                   4313: 
                   4314: 
                   4315: 
                   4316: sub new { 
                   4317:     my $self = Apache::lonhelper::element->new();
                   4318: 
                   4319:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4320:            # package descriptor)... - Jeremy
                   4321: 
                   4322:     $self->{'variable'} = shift;
                   4323:     my $helper = Apache::lonhelper::getHelper();
                   4324:     $helper->declareVar($self->{'variable'});
                   4325: 
                   4326:     # The variable name of the format element, so we can look into 
                   4327:     # $helper->{VARS} to figure out whether the columns are one or two
                   4328:     $self->{'formatvar'} = shift;
                   4329: 
1.463     foxr     4330: 
1.144     bowersj2 4331:     $self->{NEXTSTATE} = shift;
                   4332:     bless($self);
1.467     foxr     4333: 
1.144     bowersj2 4334:     return $self;
                   4335: }
                   4336: 
                   4337: sub render {
                   4338:     my $self = shift;
                   4339:     my $helper = Apache::lonhelper::getHelper();
                   4340:     my $result = '';
                   4341:     my $var = $self->{'variable'};
                   4342: 
1.467     foxr     4343: 
                   4344: 
1.144     bowersj2 4345:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4346:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4347:     }
                   4348: 
1.438     foxr     4349:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4350: 
                   4351:     # Use format to get sensible defaults for the margins:
                   4352: 
                   4353: 
                   4354:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4355:     ($papersize)                      = split(/ /, $papersize);
                   4356: 
1.559     foxr     4357:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4358: 
                   4359: 
                   4360: 
1.464     albertel 4361:     my %size;
                   4362:     ($size{'width_and_units'},
                   4363:      $size{'height_and_units'},
                   4364:      $size{'margin_and_units'})=
                   4365: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4366:     
1.464     albertel 4367:     foreach my $dimension ('width','height','margin') {
                   4368: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4369: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4370:        	
                   4371: 	foreach my $unit ('cm','in') {
                   4372: 	    $size{$dimension.'_options'} .= '<option ';
                   4373: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4374: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4375: 	    }
                   4376: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4377: 	}
1.438     foxr     4378:     }
                   4379: 
1.470     foxr     4380:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4381: 
                   4382:     if ($size{'margin_unit'} eq 'in') {
                   4383: 	$size{'margin'} += 1;
                   4384:     }  else {
                   4385: 	$size{'margin'} += 2.54;
                   4386:     }
1.548     bisitz   4387:     my %lt = &Apache::lonlocal::texthash(
                   4388:         'format' => 'How should each column be formatted?',
                   4389:         'width'  => 'Width',
                   4390:         'height' => 'Height',
                   4391:         'margin' => 'Left Margin'
                   4392:     );
                   4393: 
                   4394:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4395:               .&Apache::lonhtmlcommon::start_pick_box()
                   4396:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4397:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4398:               .'<select name="'.$var.'.widthunit">'
                   4399:               .$size{'width_options'}
                   4400:               .'</select>'
                   4401:               .&Apache::lonhtmlcommon::row_closure()
                   4402:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4403:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4404:               .'<select name="'.$var.'.heightunit">'
                   4405:               .$size{'height_options'}
                   4406:               .'</select>'
                   4407:               .&Apache::lonhtmlcommon::row_closure()
                   4408:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4409:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4410:               .'<select name="'.$var.'.lmarginunit">'
                   4411:               .$size{'margin_options'}
                   4412:               .'</select>'
                   4413:               .&Apache::lonhtmlcommon::row_closure(1)
                   4414:               .&Apache::lonhtmlcommon::end_pick_box();
                   4415:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4416:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4417: 
                   4418:     return $result;
                   4419: }
                   4420: 
1.470     foxr     4421: 
1.144     bowersj2 4422: sub preprocess {
                   4423:     my $self = shift;
                   4424:     my $helper = Apache::lonhelper::getHelper();
                   4425: 
                   4426:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4427: 
                   4428:     #  If the user does not have 'pav' privilege, set default widths and
                   4429:     #  on to the next state right away.
                   4430:     #
                   4431:     if (!$perm{'pav'}) {
                   4432: 	my $var = $self->{'variable'};
                   4433: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4434: 	
                   4435: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4436: 	($papersize)                      = split(/ /, $papersize);
                   4437: 	
                   4438: 	
1.560     foxr     4439: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4440: 
1.467     foxr     4441: 	#  Figure out some good defaults for the print out and set them:
                   4442: 	
                   4443: 	my %size;
                   4444: 	($size{'width'},
                   4445: 	 $size{'height'},
                   4446: 	 $size{'lmargin'})=
                   4447: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4448: 	
                   4449: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4450: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4451: 	    	    
1.467     foxr     4452: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4453: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4454: 	    
                   4455: 	}
                   4456: 	
                   4457: 
                   4458: 	# Transition to the next state
                   4459: 
                   4460: 	$helper->changeState($self->{NEXTSTATE});
                   4461:     }
1.144     bowersj2 4462:    
                   4463:     return 1;
                   4464: }
                   4465: 
                   4466: sub postprocess {
                   4467:     my $self = shift;
                   4468: 
                   4469:     my $var = $self->{'variable'};
                   4470:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4471:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4472:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4473:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4474:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4475:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4476:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4477: 
                   4478:     my $error = '';
                   4479: 
                   4480:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4481:     # by an optional period, followed by digits, ending the string
                   4482: 
1.464     albertel 4483:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4484:         $error .= "Invalid width; please type only a number.<br />\n";
                   4485:     }
1.464     albertel 4486:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4487:         $error .= "Invalid height; please type only a number.<br />\n";
                   4488:     }
1.464     albertel 4489:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4490:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4491:     } else {
                   4492: 	# Adjust for LaTeX 1.0 inch margin:
                   4493: 
                   4494: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4495: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4496: 	} else {
                   4497: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4498: 	}
1.144     bowersj2 4499:     }
                   4500: 
                   4501:     if (!$error) {
                   4502:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4503:         return 1;
                   4504:     } else {
                   4505:         $self->{ERROR_MSG} = $error;
                   4506:         return 0;
                   4507:     }
                   4508: }
                   4509: 
                   4510: 
1.119     bowersj2 4511: 
1.1       www      4512: __END__
1.6       sakharuk 4513: 

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