Annotation of loncom/interface/lonprintout.pm, revision 1.581

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.581   ! bisitz      5: # $Id: lonprintout.pm,v 1.580 2010/05/24 21:56:00 raeburn Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.511     foxr       48: 
1.491     albertel   49: use LONCAPA::map();
1.34      sakharuk   50: use POSIX qw(strftime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
                     79: #  Returns the text needd for a student chooser.
                     80: #  that text must still be parsed by the helper xml parser.
                     81: # Parameters:
                     82: #   this_state   - State name of the chooser.
                     83: #   sort_choice  - variable to hold the sorting choice.
                     84: #   variable     - Name of variable to hold students.
                     85: #   next_state   - State after chooser.
                     86: 
                     87: 
                     88: sub generate_student_chooser {
                     89:     my ($this_state, 
                     90: 	$sort_choice, 
                     91: 	$variable, 
                     92: 	$next_state) = @_;
                     93:     my $result = <<CHOOSE_STUDENTS;
                     94:   <state name="$this_state" title="Select Students and Resources">
                     95:       <message><b>Select sorting order of printout</b> </message>
                     96: 
                     97:     <choices variable="$sort_choice">
                     98:       <choice computer='0'>Sort by section then student</choice>
                     99:       <choice computer='1'>Sort by students across sections.</choice>
                    100:     </choices>
                    101: 
                    102:       <message><br /><hr /><br /> </message>
                    103:       <student multichoice='1' 
                    104:                variable="$variable" 
                    105:                nextstate="$next_state" 
                    106:                coursepersonnel="1" />
                    107:   </state>
                    108: 
                    109: CHOOSE_STUDENTS
                    110: 
                    111:   return $result;
                    112: }
                    113: 
                    114: # Generate the text needed for a resource chooser given the top level of
                    115: # the sequence/page
                    116: #
                    117: # Parameters:
                    118: #     this_state    - State name of the chooser.
                    119: #     prompt_text   - Text to use to prompt user.
                    120: #     resource_options - Resource tag options e.g.
                    121: #                        "multichoice='1', toponly='1', addstatus='1'"
                    122: #                     that control the selection and appearance of the
                    123: #                     resource selector.
                    124: #     variable      - Name of the variable to hold the choice
                    125: #     next_state    - Name of the next state the helper should transition
                    126: #                     to
                    127: #     top_url       - Top level URL within which to make the selector.
                    128: #                     If empty the top level sequence is shown.
                    129: #     filter        - How to filter the resources.
                    130: #     value_func    - <valuefunc> function.
                    131: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    132: #     start_new_option 
                    133: #                   - Fragment appended after valuefunc.
                    134: #
                    135: #
                    136: sub generate_resource_chooser {
                    137:     my ($this_state,
                    138: 	$prompt_text,
                    139: 	$resource_options,
                    140: 	$variable,
                    141: 	$next_state,
                    142: 	$top_url,
                    143: 	$filter,
                    144: 	$choice_func,
                    145: 	$value_func,
                    146: 	$start_new_option)  = @_;
                    147: 
                    148:     my $result = <<CHOOSE_RESOURCES;
                    149: <state name="$this_state" title="$prompt_text">
                    150:     <resource variable="$variable" $resource_options
                    151:               closeallpages="1">
                    152:       <nextstate>$next_state</nextstate>
                    153:       <filterfunc>return $filter;</filterfunc>
                    154: CHOOSE_RESOURCES
                    155:     if ($choice_func ne '') {
                    156: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    157:     }
                    158:     if ($top_url ne '') {
                    159: 	$result .=  "<mapurl>$top_url</mapurl>";
                    160:     }
                    161:     $result .= <<CHOOSE_RESOURCES;
                    162:       <valuefunc>return $value_func;</valuefunc>
                    163:       $start_new_option
                    164:       </resource>
                    165:     </state>
                    166: CHOOSE_RESOURCES
                    167: 
                    168:     return $result;
                    169: }
                    170: #
                    171: #   Generate the helper XML for a code choice helper dialog:
                    172: #
                    173: # Paramters:
                    174: #   $helper       - Reference to the helper.
                    175: #   $state        - Name of the state for the chooser.
                    176: #   $next_state   - Name fo the state to follow the chooser.
                    177: #   $bubble_types - Populates the bubble sheet type dropt down.
                    178: #   $code_selections - Provides set of code choices that have been used
                    179: #   $saved_codes  - Provides the list of saved codes.
                    180: #
                    181: # Returns;
                    182: #   The Xml of the code chooser.
                    183: #
                    184: sub generate_code_selector {
                    185:     my ($helper,
                    186: 	$state,
                    187: 	$next_state,
                    188: 	$bubble_types,
                    189: 	$code_selections,
                    190: 	$saved_codes) = @_;	# Unpack the parameters.
                    191: 
                    192:     my $result = <<CHOOSE_ANON1;
                    193:   <state name="$state" title="Specify CODEd Assignments">
                    194:     <nextstate>$next_state</nextstate>
                    195:     <message><h4>Fill out one of the forms below</h4></message>
                    196:     <message><br /><hr /> <br /></message>
                    197:     <message><h3>Generate new CODEd Assignments</h3></message>
                    198:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    205: 
1.562     foxr      206: 	    return "You need to specify the number of assignments to print";
                    207: 	}
1.578     foxr      208:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    209:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    210:             return 'Specifying number of codes to print and a specific code is not compatible';
                    211:         }
1.562     foxr      212: 	return undef;
                    213:        </validator>
                    214:     </string>
                    215:     <message></td></tr><tr><td></message>
                    216:     <message><b>Names to save the CODEs under for later:</b></message>
                    217:     <message></td><td></message>
                    218:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    219:     <message></td></tr><tr><td></message>
                    220:     <message><b>Bubble sheet type:</b></message>
                    221:     <message></td><td></message>
                    222:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    223:     $bubble_types
                    224:     </dropdown>
                    225:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    226:     <message></td></tr><tr><td></table></message>
                    227:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    228:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    229:     <string variable="SINGLE_CODE" size="10">
                    230:         <validator>
                    231: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    232: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    233: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    234: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    235: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      236: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      237: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      238: 	   } else {
                    239: 	       return undef;	# Other forces control us.
                    240: 	   }
                    241:         </validator>
                    242:     </string>
                    243:     <message></td></tr><tr><td></message>
                    244:         $code_selections
                    245:     <message></td></tr></table></message>
                    246:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    247:     <message><b>Select saved CODEs:</b></message>
                    248:     <message></td><td></message>
                    249:     <dropdown variable="REUSE_OLD_CODES">
                    250:         $saved_codes
                    251:     </dropdown>
                    252:     <message></td></tr></table></message>
                    253:   </state>
                    254: CHOOSE_ANON1
                    255: 
                    256:    return $result;
                    257: }
                    258: 
                    259: #-----------------------------------------------------------------------
                    260: 
1.515     foxr      261: 
1.498     foxr      262: # Fetch the contents of a resource, uninterpreted.
                    263: # This is used here to fetch a latex file to be included
                    264: # verbatim into the printout<
                    265: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    266: #
                    267: # Parameters:
                    268: #   URL of the file
                    269: #
                    270: sub fetch_raw_resource {
                    271:     my ($url) = @_;
                    272: 
                    273:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      274:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      275: 
1.500     foxr      276:     if ($contents == -1) {
                    277: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      278:     }
1.500     foxr      279:     return $contents;
1.498     foxr      280: 
                    281:     
                    282: }
                    283: 
1.511     foxr      284: #  Fetch the annotations associated with a URL and 
                    285: #  put a centered 'annotations:' title.
                    286: #  This is all suppressed if the annotations are empty.
                    287: #
                    288: sub annotate {
                    289:     my ($symb) = @_;
                    290: 
1.559     foxr      291:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      292: 
                    293: 
                    294:     my $result = "";
                    295: 
                    296:     if (length($annotation_text) > 0) {
                    297: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    298: 	$result .= "\n";
                    299: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    300: 	$result .= "\n\n";
                    301:     }
                    302:     return $result;
                    303: }
                    304: 
1.556     foxr      305: #
                    306: #   Set a global document font size:
                    307: #   This is done by replacing \begin{document}
                    308: #   with \begin{document}{\some-font-directive
                    309: #   and \end{document} with
                    310: #   }\end{document
                    311: #
                    312: sub set_font_size {
                    313: 
                    314:     my ($text) = @_;
                    315: 
1.575     foxr      316:     # There appear to be cases where the font directive is empty.. in which
                    317:     # case the first substituion would  insert a spurious \ oh happy day.
                    318:     # as this has been the cause of much mystery and hair pulling _sigh_
                    319: 
                    320:     if ($font_size ne '') {
                    321: 
                    322: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    323:     }
1.556     foxr      324:     $text =~ s/\\end{document}/}\\end{document}/;
                    325:     return $text;
                    326: 
                    327: 
                    328: }
                    329: 
1.550     foxr      330: # include_pdf - PDF files are included into the 
                    331: # output as follows:
                    332: #  - The PDF, if necessary, is replicated.
                    333: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    334: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    335: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    336: #
                    337: # Parameters:
                    338: #   pdf_uri   - URI of the PDF file to include.
                    339: #   
                    340: # Returns:
                    341: #  The LaTeX to include.
                    342: #
                    343: # Assumptions:
                    344: #    The uri is actually a PDF file
                    345: #    The postscript will have the includepsheader.ps included.
                    346: #
                    347: #
                    348: sub include_pdf {
                    349:     my ($pdf_uri) = @_;
                    350: 
                    351:     # Where is the file? If not local we'll need to repcopy it:'
                    352: 
                    353:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    354:     if (! -e $file) {
                    355: 	&Apache::lonnet::repcopy($file);
                    356: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    357:     }
                    358: 
                    359:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    360:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    361:     # need tob e converted for this print job:
                    362: 
                    363:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    364: 
                    365:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    366:     print FILE ("$file\n");
                    367:     close (FILE);
                    368: 
                    369:     # Construct the special to put out.  To do this we need to get the
                    370:     # resulting filename after conversion.  The file will have the same name
                    371:     # but will be in the user's spool directory with converted images.
                    372: 
                    373:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    374:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    375: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    376:     $base =~ s/ /\_/g;
                    377: 
                    378: 
1.551     foxr      379:     my $output = &print_latex_header();
1.550     foxr      380:     $output    .= '\special{ps: _begin_job_ ('
                    381: 	.$base.'.pdf.eps'.
                    382: 	')run _end_job_}';
                    383: 
                    384:     return $output;
                    385: 
                    386: 
                    387: }
                    388: 
1.515     foxr      389: 
                    390: #
1.559     foxr      391: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      392: #                      if the ssi call returns an error we'll retry it up to
                    393: #                      the number of times requested by the caller.
                    394: #                      If we still have a proble, no text is appended to the
                    395: #                      output and we set some global variables.
1.523     raeburn   396: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      397: #                      All of this is supposed to deal with the issues described
                    398: #                      in LonCAPA BZ 5631 see:
                    399: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    400: #                      by informing the user that this happened.
                    401: #
                    402: # Parameters:
                    403: #   resource   - The resource to include.  This is passed directly, without
                    404: #                interpretation to lonnet::ssi.
                    405: #   form       - The form hash parameters that guide the interpretation of the resource
                    406: #                
                    407: #   retries    - Number of retries allowed before giving up completely.
                    408: # Returns:
                    409: #   On success, returns the rendered resource identified by the resource parameter.
                    410: # Side Effects:
                    411: #   The following global variables can be set:
1.523     raeburn   412: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      413: #                               It is up to the caller to initialize this to false
                    414: #                               if desired.
1.523     raeburn   415: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      416: #                               of the resource that could not be rendered by the ssi
                    417: #                               call.
                    418: #    ssi_last_error           - The error string fetched from the ssi response
                    419: #                               in the event of an error.
                    420: #
                    421: sub ssi_with_retries {
                    422:     my ($resource, $retries, %form) = @_;
                    423: 
1.559     foxr      424:     my $target = $form{'grade_target'};
                    425:     my $aom    = $form{'answer_output_mode'};
                    426: 
                    427: 
1.515     foxr      428: 
1.516     foxr      429:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    430:     if (!$response->is_success) {
1.515     foxr      431: 	$ssi_error               = 1;
                    432: 	$ssi_last_error_resource = $resource;
1.516     foxr      433: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   434:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      435: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      436:     }
1.516     foxr      437: 
                    438:     return $content;
                    439: 
1.515     foxr      440: }
                    441: 
1.524     www       442: sub get_student_view_with_retries {
                    443:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    444: 
                    445:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    446:     if (!$response->is_success) {
                    447:         $ssi_error               = 1;
1.526     www       448:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       449:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   450:         $content='\section*{!!! An error occurred !!!}';
1.526     www       451:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       452:     }
                    453:     return $content;
                    454: 
                    455: }
                    456: 
1.486     foxr      457: #
                    458: #   printf_style_subst  item format_string repl
                    459: #  
                    460: # Does printf style substitution for a format string that
                    461: # can have %[n]item in it.. wherever, %[n]item occurs,
                    462: # rep is substituted in format_string.  Note that
                    463: # [n] is an optional integer length.  If provided,
                    464: # repl is truncated to at most [n] characters prior to 
                    465: # substitution.
                    466: #
                    467: sub printf_style_subst {
                    468:     my ($item, $format_string, $repl) = @_;
1.490     foxr      469:     my $result = "";
                    470:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  471: 	my $fmt = $1;
                    472: 	my $size = $2;
1.486     foxr      473: 	my $subst = $repl;
                    474: 	if ($size ne "") {
                    475: 	    $subst = substr($subst, 0, $size);
1.490     foxr      476: 	    
                    477: 	    #  Here's a nice edge case.. supose the end of the
                    478: 	    #  substring is a \.  In that case may have  just
                    479: 	    #  chopped off a TeX escape... in that case, we append
                    480: 	    #   " " for the trailing character, and let the field 
                    481: 	    #  spill over a bit (sigh).
                    482: 	    #  We don't just chop off the last character in order to deal
                    483: 	    #  with one last pathology, and that would be if substr had
                    484: 	    #  trimmed us to e.g. \\\  
                    485: 
                    486: 
                    487: 	    if ($subst =~ /\\$/) {
                    488: 		$subst .= " ";
                    489: 	    }
1.486     foxr      490: 	}
1.490     foxr      491: 	my $item_pos = pos($format_string);
                    492: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    493:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      494:     }
1.490     foxr      495: 
                    496:     # Put the residual format string into the result:
                    497: 
                    498:     $result .= $format_string;
                    499: 
                    500:     return $result;
1.486     foxr      501: }
                    502: 
1.454     foxr      503: 
                    504: # Format a header according to a format.  
                    505: # 
                    506: 
                    507: # Substitutions:
                    508: #     %a    - Assignment name.
                    509: #     %c    - Course name.
                    510: #     %n    - Student name.
1.537     foxr      511: #     %s    - The section if it is supplied.
1.454     foxr      512: #
                    513: sub format_page_header {
1.537     foxr      514:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    515: 
1.565     foxr      516: 
                    517: 
1.486     foxr      518:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      519:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    520: 
1.454     foxr      521:     #  Default format?
                    522: 
                    523:     if ($format eq '') {
1.486     foxr      524: 	# For the default format, we may need to truncate
                    525: 	# elements..  To do this we need to get the page width.
                    526: 	# we assume that each character is about 2mm in width.
                    527: 	# (correct for the header text size??).  We ignore
                    528: 	# any formatting (e.g. boldfacing in this).
                    529: 	# 
                    530: 	# - Allow the student/course to be one line.
                    531: 	#   but only truncate the course.
                    532: 	# - Allow the assignment to be 2 lines (wrapped).
                    533: 	#
1.565     foxr      534: 
1.537     foxr      535: 	
                    536: 
                    537: 	my $name_length    = int($chars_per_line *3 /4);
                    538: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      539: 
1.537     foxr      540: 	$format  = "%$name_length".'n';
1.486     foxr      541: 
1.537     foxr      542: 	if ($section) {
                    543: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      544: 	}
1.489     foxr      545: 
1.537     foxr      546: 	$format .= '\\\\%c \\\\ %a';
                    547:         
1.490     foxr      548: 
1.454     foxr      549:     }
1.537     foxr      550:     # An open question is how to handle long user formatted page headers...
                    551:     # A possible future is to support e.g. %na so that the user can control
                    552:     # the truncation of the elements that can appear in the header.
                    553:     #
                    554:     $format =  &printf_style_subst("a", $format, $assignment);
                    555:     $format =  &printf_style_subst("c", $format, $course);
                    556:     $format =  &printf_style_subst("n", $format, $student);
                    557:     $format =  &printf_style_subst("s", $format, $section);
                    558:     
                    559:     
                    560:     # If the user put %'s in the format string, they  must be escaped
                    561:     # to \% else LaTeX will think they are comments and terminate
                    562:     # the line.. which is bad!!!
                    563:     
1.538     onken     564:     # If the user has role author, $course and $assignment are empty so
                    565:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    566:     if($format =~ /\\\\\s\\\\\s/) {
                    567:         #TODO find sensible caption for page header
                    568:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    569:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    570:     }
1.565     foxr      571:     #
                    572:     #  We're going to trust LaTeX to break lines appropriately, but
                    573:     #  we'll truncate anything that's more than 3 lines worth of
                    574:     # text.  This is also assuming (which will probably end badly)
                    575:     # nobody's going to embed LaTeX control sequences in the title
                    576:     # header or rather that those control sequences won't get broken
                    577:     # by the stuff below.
                    578:     #
                    579:     my $total_length = 3*$chars_per_line;
                    580:     if (length($format) > $total_length) {
                    581: 	$format = substr($format, 0, $total_length);
                    582:     }
                    583: 
1.454     foxr      584: 
                    585:     return $format;
                    586:     
                    587: }
1.397     albertel  588: 
1.385     foxr      589: #
                    590: #   Convert a numeric code to letters
                    591: #
                    592: sub num_to_letters {
                    593:     my ($num) = @_;
                    594:     my @nums= split('',$num);
                    595:     my @num_to_let=('A'..'Z');
                    596:     my $word;
                    597:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    598:     return $word;
                    599: }
                    600: #   Convert a letter code to numeric.
                    601: #
                    602: sub letters_to_num {
                    603:     my ($letters) = @_;
                    604:     my @letters = split('', uc($letters));
1.490     foxr      605:    my %substitution;
1.385     foxr      606:     my $digit = 0;
                    607:     foreach my $letter ('A'..'J') {
                    608: 	$substitution{$letter} = $digit;
                    609: 	$digit++;
                    610:     }
                    611:     #  The substitution is done as below to preserve leading
                    612:     #  zeroes which are needed to keep the code size exact
                    613:     #
                    614:     my $result ="";
                    615:     foreach my $letter (@letters) {
                    616: 	$result.=$substitution{$letter};
                    617:     }
                    618:     return $result;
                    619: }
                    620: 
1.383     foxr      621: #  Determine if a code is a valid numeric code.  Valid
                    622: #  numeric codes must be comprised entirely of digits and
1.384     albertel  623: #  have a correct number of digits.
1.383     foxr      624: #
                    625: #  Parameters:
                    626: #     value      - proposed code value.
1.384     albertel  627: #     num_digits - Number of digits required.
1.383     foxr      628: #
                    629: sub is_valid_numeric_code {
1.384     albertel  630:     my ($value, $num_digits) = @_;
1.383     foxr      631:     #   Remove leading/trailing whitespace;
1.387     foxr      632:     $value =~ s/^\s*//g;
                    633:     $value =~ s/\s*$//g;
1.383     foxr      634:     
                    635:     #  All digits?
1.387     foxr      636:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      637: 	return "Numeric code $value has invalid characters - must only be digits";
                    638:     }
1.384     albertel  639:     if (length($value) != $num_digits) {
                    640: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    641:     }
1.385     foxr      642:     return undef;
1.383     foxr      643: }
                    644: #   Determines if a code is a valid alhpa code.  Alpha codes
                    645: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  646: #   They also have a correct digit count.
1.383     foxr      647: # Parameters:
                    648: #     value          - Proposed code value.
1.384     albertel  649: #     num_letters    - correct number of letters.
1.383     foxr      650: # Note:
                    651: #    leading and trailing whitespace are ignored.
                    652: #
                    653: sub is_valid_alpha_code {
1.384     albertel  654:     my ($value, $num_letters) = @_;
1.383     foxr      655:     
                    656:      # strip leading and trailing spaces.
                    657: 
                    658:     $value =~ s/^\s*//g;
                    659:     $value =~ s/\s*$//g;
                    660: 
                    661:     #  All alphas in the right range?
1.384     albertel  662:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      663: 	return "Invalid letter code $value must only contain A-J";
                    664:     }
1.384     albertel  665:     if (length($value) != $num_letters) {
                    666: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    667:     }
1.385     foxr      668:     return undef;
1.383     foxr      669: }
                    670: 
1.382     foxr      671: #   Determine if a code entered by the user in a helper is valid.
                    672: #   valid depends on the code type and the type of code selected.
                    673: #   The type of code selected can either be numeric or 
                    674: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    675: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    676: #   We'll be nice and be case insensitive for alpha codes.
                    677: # Parameters:
                    678: #    code_value    - the value of the code the user typed in.
                    679: #    code_option   - The code type selected from the set in the scantron format
                    680: #                    table.
                    681: # Returns:
                    682: #    undef         - The code is valid.
                    683: #    other         - An error message indicating what's wrong.
                    684: #
                    685: sub is_code_valid {
                    686:     my ($code_value, $code_option) = @_;
1.383     foxr      687:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   688:     my @lines = &Apache::grades::get_scantronformat_file();
                    689:     foreach my $line (@lines) {
1.383     foxr      690: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    691: 	if($name eq $code_option) {
                    692: 	    $code_length = $length;
                    693: 	    if($type eq 'number') {
                    694: 		$code_type = 'number';
                    695: 	    }
                    696: 	}
                    697:     }
                    698:     my $valid;
                    699:     if ($code_type eq 'number') {
1.385     foxr      700: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      701:     } else {
1.385     foxr      702: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      703:     }
1.382     foxr      704: 
                    705: }
                    706: 
1.341     foxr      707: #   Compare two students by name.  The students are in the form
                    708: #   returned by the helper:
                    709: #      user:domain:section:last,   first:status
                    710: #   This is a helper function for the perl sort built-in  therefore:
                    711: # Implicit Inputs:
                    712: #    $a     - The first element to compare (global)
                    713: #    $b     - The second element to compare (global)
                    714: # Returns:
                    715: #   -1   - $a < $b
                    716: #    0   - $a == $b
                    717: #   +1   - $a > $b
                    718: #   Note that the initial comparison is done on the last names with the
                    719: #   first names only used to break the tie.
                    720: #
                    721: #
                    722: sub compare_names {
                    723:     #  First split the names up into the primary fields.
                    724: 
                    725:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    726:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    727: 
                    728:     # Now split the last name and first name of each n:
                    729:     #
                    730: 
                    731:     my ($l1,$f1) = split(/,/, $n1);
                    732:     my ($l2,$f2) = split(/,/, $n2);
                    733: 
                    734:     # We don't bother to remove the leading/trailing whitespace from the
                    735:     # firstname, unless the last names compare identical.
                    736: 
                    737:     if($l1 lt $l2) {
                    738: 	return -1;
                    739:     }
                    740:     if($l1 gt $l2) {
                    741: 	return  1;
                    742:     }
                    743: 
                    744:     # Break the tie on the first name, but there are leading (possibly trailing
                    745:     # whitespaces to get rid of first 
                    746:     #
                    747:     $f1 =~ s/^\s+//;		# Remove leading...
                    748:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    749:     
                    750:     $f2 =~ s/^\s+//;
                    751:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    752: 
                    753:     if($f1 lt $f2) {
                    754: 	return -1;
                    755:     }
                    756:     if($f1 gt $f2) {
                    757: 	return 1;
                    758:     }
                    759:     
                    760:     #  Must be the same name.
                    761: 
                    762:     return 0;
                    763: }
                    764: 
1.71      sakharuk  765: sub latex_header_footer_remove {
                    766:     my $text = shift;
                    767:     $text =~ s/\\end{document}//;
                    768:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    769:     return $text;
                    770: }
1.423     foxr      771: #
                    772: #  If necessary, encapsulate text inside 
                    773: #  a minipage env.
                    774: #  necessity is determined by the problem_split param.
                    775: #
                    776: sub encapsulate_minipage {
                    777:     my ($text) = @_;
1.427     albertel  778:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      779: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    780:     }
                    781:     return $text;
                    782: }
1.429     foxr      783: #
                    784: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    785: #  variables interact, this sub looks at these two parameters
                    786: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    787: #     all     - if SPLIT_PDFS eq 'all'.
                    788: #     1       - if SPLIT_PDFS eq 'oneper'
                    789: #     section - if SPLIT_PDFS eq 'sections'
                    790: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    791: #
                    792: sub adjust_number_to_print {
                    793:     my $helper = shift;
1.71      sakharuk  794: 
1.429     foxr      795:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    796:     
                    797:     if ($split_pdf eq 'all') {
                    798: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    799:     } elsif ($split_pdf eq 'oneper') {
                    800: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    801:     } elsif ($split_pdf eq 'sections') {
                    802: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    803:     } elsif ($split_pdf eq 'usenumber') {
                    804: 	#  Unmodified.
                    805:     } else {
                    806: 	# Error!!!!
1.536     foxr      807: 	
                    808: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      809: 
                    810:     }
                    811: }
1.71      sakharuk  812: 
1.531     foxr      813: 
1.37      sakharuk  814: sub character_chart {
1.531     foxr      815:     my $result = shift;
                    816:     return  &Apache::entities::replace_entities($result);
                    817: }
                    818: 
                    819: sub old_character_chart {
1.37      sakharuk  820:     my $result = shift;	
1.116     sakharuk  821:     $result =~ s/&\#0?0?(7|9);//g;
                    822:     $result =~ s/&\#0?(10|13);//g;
                    823:     $result =~ s/&\#0?32;/ /g;
                    824:     $result =~ s/&\#0?33;/!/g;
                    825:     $result =~ s/&(\#0?34|quot);/\"/g;
                    826:     $result =~ s/&\#0?35;/\\\#/g;
                    827:     $result =~ s/&\#0?36;/\\\$/g;
                    828:     $result =~ s/&\#0?37;/\\%/g; 
                    829:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    830:     $result =~ s/&\#(0?39|146);/\'/g;
                    831:     $result =~ s/&\#0?40;/(/g;
                    832:     $result =~ s/&\#0?41;/)/g;
                    833:     $result =~ s/&\#0?42;/\*/g;
                    834:     $result =~ s/&\#0?43;/\+/g;
                    835:     $result =~ s/&\#(0?44|130);/,/g;
                    836:     $result =~ s/&\#0?45;/-/g;
                    837:     $result =~ s/&\#0?46;/\./g;
                    838:     $result =~ s/&\#0?47;/\//g;
                    839:     $result =~ s/&\#0?48;/0/g;
                    840:     $result =~ s/&\#0?49;/1/g;
                    841:     $result =~ s/&\#0?50;/2/g;
                    842:     $result =~ s/&\#0?51;/3/g;
                    843:     $result =~ s/&\#0?52;/4/g;
                    844:     $result =~ s/&\#0?53;/5/g;
                    845:     $result =~ s/&\#0?54;/6/g;
                    846:     $result =~ s/&\#0?55;/7/g;
                    847:     $result =~ s/&\#0?56;/8/g;
                    848:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  849:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  850:     $result =~ s/&\#0?59;/;/g;
                    851:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  852:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    853:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  854:     $result =~ s/&\#0?63;/\?/g;
                    855:     $result =~ s/&\#0?65;/A/g;
                    856:     $result =~ s/&\#0?66;/B/g;
                    857:     $result =~ s/&\#0?67;/C/g;
                    858:     $result =~ s/&\#0?68;/D/g;
                    859:     $result =~ s/&\#0?69;/E/g;
                    860:     $result =~ s/&\#0?70;/F/g;
                    861:     $result =~ s/&\#0?71;/G/g;
                    862:     $result =~ s/&\#0?72;/H/g;
                    863:     $result =~ s/&\#0?73;/I/g;
                    864:     $result =~ s/&\#0?74;/J/g;
                    865:     $result =~ s/&\#0?75;/K/g;
                    866:     $result =~ s/&\#0?76;/L/g;
                    867:     $result =~ s/&\#0?77;/M/g;
                    868:     $result =~ s/&\#0?78;/N/g;
                    869:     $result =~ s/&\#0?79;/O/g;
                    870:     $result =~ s/&\#0?80;/P/g;
                    871:     $result =~ s/&\#0?81;/Q/g;
                    872:     $result =~ s/&\#0?82;/R/g;
                    873:     $result =~ s/&\#0?83;/S/g;
                    874:     $result =~ s/&\#0?84;/T/g;
                    875:     $result =~ s/&\#0?85;/U/g;
                    876:     $result =~ s/&\#0?86;/V/g;
                    877:     $result =~ s/&\#0?87;/W/g;
                    878:     $result =~ s/&\#0?88;/X/g;
                    879:     $result =~ s/&\#0?89;/Y/g;
                    880:     $result =~ s/&\#0?90;/Z/g;
                    881:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  882:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  883:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  884:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  885:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    886:     $result =~ s/&\#(0?96|145);/\`/g;
                    887:     $result =~ s/&\#0?97;/a/g;
                    888:     $result =~ s/&\#0?98;/b/g;
                    889:     $result =~ s/&\#0?99;/c/g;
                    890:     $result =~ s/&\#100;/d/g;
                    891:     $result =~ s/&\#101;/e/g;
                    892:     $result =~ s/&\#102;/f/g;
                    893:     $result =~ s/&\#103;/g/g;
                    894:     $result =~ s/&\#104;/h/g;
                    895:     $result =~ s/&\#105;/i/g;
                    896:     $result =~ s/&\#106;/j/g;
                    897:     $result =~ s/&\#107;/k/g;
                    898:     $result =~ s/&\#108;/l/g;
                    899:     $result =~ s/&\#109;/m/g;
                    900:     $result =~ s/&\#110;/n/g;
                    901:     $result =~ s/&\#111;/o/g;
                    902:     $result =~ s/&\#112;/p/g;
                    903:     $result =~ s/&\#113;/q/g;
                    904:     $result =~ s/&\#114;/r/g;
                    905:     $result =~ s/&\#115;/s/g;
                    906:     $result =~ s/&\#116;/t/g;
                    907:     $result =~ s/&\#117;/u/g;
                    908:     $result =~ s/&\#118;/v/g;
                    909:     $result =~ s/&\#119;/w/g;
                    910:     $result =~ s/&\#120;/x/g;
                    911:     $result =~ s/&\#121;/y/g;
                    912:     $result =~ s/&\#122;/z/g;
                    913:     $result =~ s/&\#123;/\\{/g;
                    914:     $result =~ s/&\#124;/\|/g;
                    915:     $result =~ s/&\#125;/\\}/g;
                    916:     $result =~ s/&\#126;/\~/g;
                    917:     $result =~ s/&\#131;/\\textflorin /g;
                    918:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  919:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    920:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    921:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  922:     $result =~ s/&\#137;/\\textperthousand /g;
                    923:     $result =~ s/&\#140;/{\\OE}/g;
                    924:     $result =~ s/&\#147;/\`\`/g;
                    925:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  926:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  927:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  928:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  929:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  930:     $result =~ s/&\#153;/\\texttrademark /g;
                    931:     $result =~ s/&\#156;/\\oe/g;
                    932:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  933:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  934:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    935:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    936:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    937:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    938:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    939:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    940:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      941:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  942:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    943:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  944:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  945:     $result =~ s/&(\#173|shy);/ - /g;
                    946:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  947:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    948:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    949:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    950:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    951:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      952:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  953:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  954:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  955:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  956:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  957:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  958:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    959:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    960:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    961:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    962:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    963:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    964:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    965:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    966:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    967:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    968:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    969:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    970:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    971:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    972:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    973:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    974:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    975:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    976:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    977:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    978:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    979:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    980:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    981:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    982:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    983:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    984:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  985:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  986:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    987:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    988:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    989:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    990:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    991:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  992:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  993:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    994:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    995:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    996:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    997:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    998:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    999:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1000:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1001:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1002:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1003:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1004:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1005:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1006:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1007:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1008:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1009:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1010:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1011:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1012:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1013:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1014:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1015:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1016:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1017:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1018:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1019:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1020:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1021:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1022:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1023:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1024:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1025:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1026: #Greek Alphabet
1.281     sakharuk 1027:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1028:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1029:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1030:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1031:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1032:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1033:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1034:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1035:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1036:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1037:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1038:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1039:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1040:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1041:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1042:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1043:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1044:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1045:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1046:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1047:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1048:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1049:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1050:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1051:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1052:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Alpha|\#913);/A/g;
                   1054:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1055:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1056:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1057:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1058:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1059:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1060:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1061:     $result =~ s/&(Iota|\#921);/I/g;
                   1062:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1063:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1064:     $result =~ s/&(Mu|\#924);/M/g;
                   1065:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1066:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1067:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1068:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1069:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1070:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1071:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1072:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1073:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1074:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1075:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1076:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1077: #Arrows (extended HTML 4.01)
1.281     sakharuk 1078:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1079:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1080:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1081:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1082:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1083:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1084:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1085:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1086:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1087:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1088: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1089:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1090:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1091:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1092:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1093:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1094:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1095:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1096:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1097:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1098:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1099:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1100:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1101:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1102:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1103:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1104:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1105:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1106:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1107:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1108:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1109:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1110:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1111:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1112:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1113:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1114:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1115:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1116:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1117:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1118:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1119:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1120:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1121:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1122:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1123:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1124:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1125:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1126:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1127: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1128:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1129: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1130:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1131:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1132:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1133:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1134: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1135: 
1.495     foxr     1136:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1137:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1138:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1139:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1140:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1141:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1142:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1143:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1144:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1145:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1146:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1147:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1148:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1149: 
                   1150:     # Left/right quotations:
                   1151: 
                   1152:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1153:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1154: 
                   1155: 
1.559     foxr     1156: 
1.37      sakharuk 1157:     return $result;
                   1158: }
1.41      sakharuk 1159: 
                   1160: 
1.327     albertel 1161:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1162: my %page_formats=
                   1163:     ('letter' => {
                   1164: 	 'book' => {
1.493     foxr     1165: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1166: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1167: 	 },
                   1168: 	 'album' => {
1.496     foxr     1169: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1170: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1171: 	 },
                   1172:      },
                   1173:      'legal' => {
                   1174: 	 'book' => {
                   1175: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1176: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1177: 	 },
                   1178: 	 'album' => {
1.376     albertel 1179: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1180:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1181:           },
                   1182:      },
                   1183:      'tabloid' => {
                   1184: 	 'book' => {
                   1185: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1186: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1187: 	 },
                   1188: 	 'album' => {
1.376     albertel 1189: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1190: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1191:           },
                   1192:      },
                   1193:      'executive' => {
                   1194: 	 'book' => {
                   1195: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1196: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1197: 	 },
                   1198: 	 'album' => {
                   1199: 	     '1' => [],
                   1200: 	     '2' => []
                   1201:           },
                   1202:      },
                   1203:      'a2' => {
                   1204: 	 'book' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207: 	 },
                   1208: 	 'album' => {
                   1209: 	     '1' => [],
                   1210: 	     '2' => []
                   1211:           },
                   1212:      },
                   1213:      'a3' => {
                   1214: 	 'book' => {
                   1215: 	     '1' => [],
                   1216: 	     '2' => []
                   1217: 	 },
                   1218: 	 'album' => {
                   1219: 	     '1' => [],
                   1220: 	     '2' => []
                   1221:           },
                   1222:      },
                   1223:      'a4' => {
                   1224: 	 'book' => {
1.493     foxr     1225: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1226: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1227: 	 },
                   1228: 	 'album' => {
1.496     foxr     1229: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1230: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1231: 	 },
                   1232:      },
                   1233:      'a5' => {
                   1234: 	 'book' => {
                   1235: 	     '1' => [],
                   1236: 	     '2' => []
                   1237: 	 },
                   1238: 	 'album' => {
                   1239: 	     '1' => [],
                   1240: 	     '2' => []
                   1241:           },
                   1242:      },
                   1243:      'a6' => {
                   1244: 	 'book' => {
                   1245: 	     '1' => [],
                   1246: 	     '2' => []
                   1247: 	 },
                   1248: 	 'album' => {
                   1249: 	     '1' => [],
                   1250: 	     '2' => []
                   1251:           },
                   1252:      },
                   1253:      );
                   1254: 
1.177     sakharuk 1255: sub page_format {
1.140     sakharuk 1256: #
1.326     sakharuk 1257: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1258: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1259: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1260: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1261: #                        "A6 [105x148 mm]"
1.140     sakharuk 1262: # 
                   1263:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1264:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1265: }
1.76      sakharuk 1266: 
                   1267: 
1.126     albertel 1268: sub get_name {
                   1269:     my ($uname,$udom)=@_;
1.373     albertel 1270:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1271:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1272:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1273:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1274:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1275:     return $plainname;
1.126     albertel 1276: }
                   1277: 
1.213     albertel 1278: sub get_course {
                   1279:     my $courseidinfo;
1.373     albertel 1280:     if (defined($env{'request.course.id'})) {
1.439     www      1281: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1282: 	my $sec = $env{'request.course.sec'};
                   1283: 	    
1.213     albertel 1284:     }
                   1285:     return $courseidinfo;
                   1286: }
1.177     sakharuk 1287: 
1.76      sakharuk 1288: sub page_format_transformation {
1.312     sakharuk 1289:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1290:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1291: 
1.312     sakharuk 1292:     if ($selectionmade eq '4') {
1.502     foxr     1293: 	if ($choice eq 'all_problems') {
1.561     bisitz   1294:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1295: 	} else {
1.561     bisitz   1296:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1297: 	}
1.312     sakharuk 1298:     } else {
                   1299: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1300:     }
1.261     sakharuk 1301:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1302: 
                   1303: 
1.126     albertel 1304:     my $name = &get_name();
1.213     albertel 1305:     my $courseidinfo = &get_course();
1.455     albertel 1306:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1307:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1308: 					   $courseidinfo, $name);
1.319     sakharuk 1309:     my $topmargintoinsert = '';
                   1310:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1311:     my $fancypagestatement='';
                   1312:     if ($numberofcolumns eq '2') {
1.455     albertel 1313: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1314:     } else {
1.455     albertel 1315: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1316:     }
1.140     sakharuk 1317:     if ($layout eq 'album') {
1.550     foxr     1318: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1319:     } elsif ($layout eq 'book') {
                   1320: 	if ($choice ne 'All class print') { 
1.550     foxr     1321: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk 1322: 	} else {
1.550     foxr     1323: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1324: 	}
1.326     sakharuk 1325: 	if ($papersize eq 'a4') {
1.575     foxr     1326: 	    my $papersize_text;
                   1327: 	    if ($perm{'pav'}) {
                   1328: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1329: 	    } else {
                   1330: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1331: 	    }
                   1332: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1333: 	}
                   1334:     }
1.214     sakharuk 1335:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1336:     if ($indexlist eq 'yes') {
                   1337: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1338: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1339:     }
1.140     sakharuk 1340:     return $text;
                   1341: }
                   1342: 
                   1343: 
1.33      sakharuk 1344: sub page_cleanup {
                   1345:     my $result = shift;	
1.65      sakharuk 1346:  
                   1347:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1348:     my $number_of_columns = $1;
1.33      sakharuk 1349:     my $insert = '{';
1.34      sakharuk 1350:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1351:     $insert .= '}';
1.65      sakharuk 1352:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1353:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1354:     return $result,$number_of_columns;
1.7       sakharuk 1355: }
1.5       sakharuk 1356: 
1.3       sakharuk 1357: 
1.60      sakharuk 1358: sub details_for_menu {
1.335     albertel 1359:     my ($helper)=@_;
1.373     albertel 1360:     my $postdata=$env{'form.postdata'};
1.335     albertel 1361:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1362:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1363:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1364:     return if ( $symbolic eq '');
                   1365: 
1.233     www      1366:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1367:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1368:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1369:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1370: 	$map =~ m|([^/]+)$|;
                   1371: 	$name_of_sequence = $1;
1.63      albertel 1372:     }
1.373     albertel 1373:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1374:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1375: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1376: 	$name_of_map = $1;
                   1377:     }
1.335     albertel 1378:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1379: }
                   1380: 
1.476     albertel 1381: sub copyright_line {
                   1382:     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
                   1383: }
                   1384: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1385: 
                   1386: sub latex_corrections {
1.408     albertel 1387:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1388: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1389:     my $copyright = &copyright_line();
1.408     albertel 1390:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1391: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1392:     } else {
1.476     albertel 1393: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1394:     }
1.476     albertel 1395:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1396:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1397:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1398: #-- LaTeX corrections     
                   1399:     my $first_comment = index($result,'<!--',0);
                   1400:     while ($first_comment != -1) {
                   1401: 	my $end_comment = index($result,'-->',$first_comment);
                   1402: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1403: 	$first_comment = index($result,'<!--',$first_comment);
                   1404:     }
                   1405:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1406:     #removes more than one empty space
                   1407:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1408:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1409:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1410:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1411:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1412:     #conversion of html characters to LaTeX equivalents
                   1413:     if ($result =~ m/&(\w+|#\d+);/) {
                   1414: 	$result = &character_chart($result);
                   1415:     }
                   1416:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1417:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1418:     return $result;
1.60      sakharuk 1419: }
                   1420: 
1.3       sakharuk 1421: 
1.214     sakharuk 1422: sub index_table {
                   1423:     my $currentURL = shift;
                   1424:     my $insex_string='';
                   1425:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1426:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1427:     return $insex_string;
                   1428: }
                   1429: 
                   1430: 
1.215     sakharuk 1431: sub IndexCreation {
                   1432:     my ($texversion,$currentURL)=@_;
                   1433:     my @key_words=split(/,/,&index_table($currentURL));
                   1434:     my $chunk='';
                   1435:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1436:     if ($st>0) {
                   1437: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1438: 	$chunk=substr($texversion,0,$st+1);
                   1439: 	substr($texversion,0,$st+1)=' ';
                   1440:     }
                   1441:     foreach my $key_word (@key_words) {
                   1442: 	if ($key_word=~/\S+/) {
                   1443: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1444: 	}
                   1445:     }			
                   1446:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1447:     return $texversion;
                   1448: }
                   1449: 
1.242     sakharuk 1450: sub print_latex_header {
                   1451:     my $mode=shift;
1.550     foxr     1452: 
                   1453:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1454: }
                   1455: 
                   1456: sub path_to_problem {
1.328     albertel 1457:     my ($urlp,$colwidth)=@_;
1.404     albertel 1458:     $urlp=&Apache::lonnet::clutter($urlp);
                   1459: 
1.242     sakharuk 1460:     my $newurlp = '';
1.328     albertel 1461:     $colwidth=~s/\s*mm\s*$//;
                   1462: #characters average about 2 mm in width
1.360     albertel 1463:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1464: 	my @elements = split('/',$urlp);
1.328     albertel 1465: 	my $curlength=0;
                   1466: 	foreach my $element (@elements) {
1.404     albertel 1467: 	    if ($element eq '') { next; }
1.328     albertel 1468: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1469: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1470: 		$curlength=length($element)*2;
1.328     albertel 1471: 	    } else {
                   1472: 		$curlength+=length($element)*2;
1.242     sakharuk 1473: 	    }
1.328     albertel 1474: 	    $newurlp.='/'.$element;
1.242     sakharuk 1475: 	}
1.253     sakharuk 1476:     } else {
                   1477: 	$newurlp=$urlp;
1.242     sakharuk 1478:     }
                   1479:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1480: }
1.215     sakharuk 1481: 
1.275     sakharuk 1482: sub recalcto_mm {
                   1483:     my $textwidth=shift;
                   1484:     my $LaTeXwidth;
1.339     albertel 1485:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1486: 	$LaTeXwidth = $1*10;
1.339     albertel 1487:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1488: 	$LaTeXwidth = $1;
1.339     albertel 1489:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1490: 	$LaTeXwidth = $1*25.4;
                   1491:     }
                   1492:     $LaTeXwidth.=' mm';
                   1493:     return $LaTeXwidth;
                   1494: }
                   1495: 
1.285     albertel 1496: sub get_textwidth {
                   1497:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1498:     my $textwidth=$LaTeXwidth;
1.285     albertel 1499:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1500: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1501: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1502: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1503:     }
1.286     albertel 1504:     return $textwidth;
1.285     albertel 1505: }
                   1506: 
1.296     sakharuk 1507: 
                   1508: sub unsupported {
1.414     albertel 1509:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1510:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1511:     my $result.= &print_latex_header($mode);
1.414     albertel 1512:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1513: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1514: 	my $title=&Apache::lonnet::gettitle($symb);
                   1515: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1516: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1517:     } else {
                   1518: 	$result.=$currentURL;
                   1519:     }
1.419     albertel 1520:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1521:     return $result;
                   1522: }
                   1523: 
1.559     foxr     1524: #
                   1525: #  Map from helper layout style to the book/album:
                   1526: #
                   1527: sub map_laystyle {
                   1528:     my ($laystyle) = @_;
                   1529:     if ($laystyle eq 'L') {
                   1530: 	$laystyle='album';
                   1531:     } else {
                   1532: 	$laystyle='book';
                   1533:     }
                   1534:     return $laystyle;
                   1535: }
                   1536: 
                   1537: sub print_page_in_course {
                   1538:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1539:     my %parmhash       = %$rparmhash;
                   1540:     my @page_resources = @$resources;
                   1541:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1542:     my $symb = $helper->{'VARS'}->{'symb'};
                   1543: 
                   1544: 
                   1545:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1546: 
                   1547: 
                   1548:     my @temporary_array=split /\|/,$format_from_helper;
                   1549:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1550:     $laystyle = &map_laystyle($laystyle);
                   1551:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1552: 								      $numberofcolumns);
                   1553:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1554: 
                   1555: 
                   1556:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1557:     my $result   =    &print_latex_header($mode);
1.559     foxr     1558:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1559: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1560: 	my $title=&Apache::lonnet::gettitle($symb);
                   1561: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1562:     } else {
                   1563: 	$result.=$currentURL;
                   1564:     }
                   1565:     $result .= '\\\\';
                   1566: 
                   1567:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1568: 	&Apache::lonnet::appenv({'construct.style' =>
                   1569: 				$helper->{'VARS'}->{'style_file'}});
                   1570:     } elsif ($env{'construct.style'}) {
                   1571: 	&Apache::lonnet::delenv('construct.style');
                   1572:     }
                   1573: 
                   1574:     # First is the overall page description.  This is then followed by the 
                   1575:     # components of the page. Each of which must be printed independently.
1.564     foxr     1576:     my $the_page = shift(@page_resources); 
1.559     foxr     1577: 
                   1578: 
                   1579:     foreach my $resource (@page_resources) {
                   1580: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1581: 	$result           .= $resource->title() . '\\\\';
                   1582: 
                   1583: 	# Recurse if a .page:
                   1584: 
                   1585: 	if ($resource_src =~ /.page$/i) {
                   1586: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1587: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1588: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1589: 						       $resource_src, \@page_resources);
                   1590: 	}
                   1591: 	# these resources go through the XML transformer:
                   1592: 
1.576     raeburn  1593: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/)  {		
1.559     foxr     1594: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1595: 	    my %form;
                   1596: 	    my %moreenv;
                   1597: 
                   1598: 	    &Apache::lonxml::remember_problem_counter();
                   1599: 	    $moreenv{'request.filename'}=$urlp;
                   1600: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1601: 
                   1602: 	    $form{'grade_target'}  = 'tex';
                   1603: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  1604: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     1605: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1606: 	    
                   1607: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1608: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1609: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1610: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1611: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1612: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1613: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1614: 		$form{'problem_split'}='yes';
                   1615: 	    }
                   1616: 	    my $rndseed = time;
                   1617: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1618: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1619: 	    }
                   1620: 	    $form{'rndseed'}=$rndseed;
                   1621: 	    &Apache::lonnet::appenv(\%moreenv);
                   1622: 	    
                   1623: 	    &Apache::lonxml::clear_problem_counter();
                   1624: 
                   1625: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1626: 
                   1627: 
                   1628: 	    # current document with answers.. no need to encap in minipage
                   1629: 	    #  since there's only one answer.
                   1630: 
                   1631: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1632: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1633: 		my %answerform = %form;
                   1634: 
                   1635: 
                   1636: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1637: 		$answerform{'grade_target'}='answer';
                   1638: 		$answerform{'answer_output_mode'}='tex';
                   1639: 		$answerform{'rndseed'}=$rndseed;
                   1640:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1641: 		    $answerform{'problemtype'}='exam';
                   1642: 		}
                   1643: 		$resources_printed .= $urlp.':';
                   1644: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1645: 
                   1646: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1647: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1648: 		} else {
1.562     foxr     1649: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1650: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1651: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1652: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1653: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1654: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1655: 		    } else {
                   1656: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1657: 			my $URLpath=$urlp;
                   1658: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1659: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1660: 		    }
                   1661: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1662: 		}
                   1663: 
                   1664: 
                   1665: 		
                   1666: 
                   1667: 	    
                   1668: 	    }
                   1669: 	    # Print annotations.
                   1670: 
                   1671: 
                   1672: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1673: 		my $annotation .= &annotate($currentURL);
                   1674: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1675: 	    }
                   1676: 	    
                   1677: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1678: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1679: 	    }
                   1680: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1681: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1682: 
                   1683: 	    }
1.562     foxr     1684: 	    $texversion = &latex_header_footer_remove($texversion);
                   1685: 
                   1686: 	    # the first remaining line is a comment from londefdef the second
                   1687: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1688:             # (imperfect removal from header_footer_remove?
                   1689: 
                   1690: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1691: 
1.559     foxr     1692: 	    $result .= $texversion;
                   1693: 	    if ($currentURL=~m/\.page\s*$/) {
                   1694: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1695: 	    }
                   1696: 	}
                   1697:     }
                   1698: 
                   1699:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1700:     return $result;
                   1701: }
                   1702: 
1.296     sakharuk 1703: 
1.363     foxr     1704: #
1.395     www      1705: # List of recently generated print files
                   1706: #
                   1707: sub recently_generated {
                   1708:     my $r=shift;
                   1709:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1710:     my $zip_result;
                   1711:     my $pdf_result;
1.395     www      1712:     opendir(DIR,$prtspool);
1.400     albertel 1713: 
                   1714:     my @files = 
                   1715: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1716:     closedir(DIR);
1.400     albertel 1717: 
                   1718:     @files = sort {
                   1719: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1720: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1721: 	return $bctime <=> $actime;
                   1722:     } (@files);
                   1723: 
                   1724:     foreach my $filename (@files) {
                   1725: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1726: 	my ($cdev,$cino,$cmode,$cnlink,
                   1727: 	    $cuid,$cgid,$crdev,$csize,
                   1728: 	    $catime,$cmtime,$cctime,
                   1729: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1730:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1731: 	my $result=&Apache::loncommon::start_data_table_row()
                   1732:                   .'<td>'
                   1733:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1734:                   .'</td>'
                   1735:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1736:                   .'<td align="right">'.$csize.'</td>'
                   1737:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1738: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1739: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1740:     }
1.544     bisitz   1741:     if ($zip_result || $pdf_result) {
                   1742:         $r->print('<hr />');
                   1743:     }
1.400     albertel 1744:     if ($zip_result) {
1.544     bisitz   1745: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1746:                   .&Apache::loncommon::start_data_table()
                   1747:                   .&Apache::loncommon::start_data_table_header_row()
                   1748:                   .'<th>'.&mt('Download').'</th>'
                   1749:                   .'<th>'.&mt('Creation Date').'</th>'
                   1750:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1751:                   .&Apache::loncommon::end_data_table_header_row()
                   1752:                   .$zip_result
                   1753:                   .&Apache::loncommon::end_data_table()
                   1754:         );
1.400     albertel 1755:     }
                   1756:     if ($pdf_result) {
1.544     bisitz   1757: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1758:                   .&Apache::loncommon::start_data_table()
                   1759:                   .&Apache::loncommon::start_data_table_header_row()
                   1760:                   .'<th>'.&mt('Download').'</th>'
                   1761:                   .'<th>'.&mt('Creation Date').'</th>'
                   1762:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1763:                   .&Apache::loncommon::end_data_table_header_row()
                   1764:                   .$pdf_result
                   1765:                   .&Apache::loncommon::end_data_table()
                   1766:         );
1.396     albertel 1767:     }
1.395     www      1768: }
                   1769: 
                   1770: #
1.363     foxr     1771: #   Retrieve the hash of page breaks.
                   1772: #
                   1773: #  Inputs:
                   1774: #    helper   - reference to helper object.
                   1775: #  Outputs
                   1776: #    A reference to a page break hash.
                   1777: #
                   1778: #
1.562     foxr     1779: # use Data::Dumper;
1.569     foxr     1780: # sub dump_helper_vars {
1.418     foxr     1781: #    my ($helper) = @_;
                   1782: #    my $helpervars = Dumper($helper->{'VARS'});
                   1783: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1784: #}
1.363     foxr     1785: 
1.481     albertel 1786: sub get_page_breaks  {
                   1787:     my ($helper) = @_;
                   1788:     my %page_breaks;
                   1789: 
                   1790:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1791: 	$page_breaks{$break} = 1;
                   1792:     }
                   1793:     return %page_breaks;
                   1794: }
1.569     foxr     1795: # 
                   1796: #   Returns text to insert for any extra vskip prior to the resource.
                   1797: #   Parameters:
                   1798: #     helper   - Reference to the helper object driving the printout.
                   1799: #     resource - Identifies the resource about to be printed.
                   1800: #
                   1801: #   This is done as follows:
                   1802: #    POSSIBLE_RESOURCES has the list of possible resources.
                   1803: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     1804: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   1805: #                       mm. All others are 'in'.
1.569     foxr     1806: #    
                   1807: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   1808: #    of the EXTRASPACE value.
                   1809: #
                   1810: #   In order to speed this up for lengthy printouts, the first time,
                   1811: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   1812: #   EXTRASPACE is turned into an array.
                   1813: #
                   1814: 
                   1815: 
                   1816: my %possible_resources;
1.570     foxr     1817: my %extraspace_mm;
1.569     foxr     1818: my @extraspace;
                   1819: my $skips_loaded       = 0;
                   1820: 
                   1821: #  Function to load the skips hash and array
                   1822: 
                   1823: sub load_skips {
                   1824: 
                   1825:     my ($helper)  = @_;
                   1826: 
                   1827:     #  If this is the first time, unrap the resources and extra spaces:
                   1828: 
                   1829:     if (!$skips_loaded) {
                   1830: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   1831: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   1832: 	my $i = 0;
                   1833: 	foreach my $resource (@resource_list) {
                   1834: 	    $possible_resources{$resource} = $i;
                   1835: 	    $i++;
                   1836: 	}
1.570     foxr     1837: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   1838: 	    $extraspace_mm{$mm_resource} = 1;
                   1839: 	}
1.569     foxr     1840: 	$skips_loaded = 1;
                   1841:     }
                   1842: }
                   1843: 
                   1844: sub get_extra_vspaces {
                   1845:     my ($helper, $resource) = @_;
                   1846: 
                   1847:     &load_skips($helper);
                   1848: 
                   1849:     #  Lookup the resource in the possible resources hash.. that is the index
                   1850:     # into the extraspace array that gives us either an empty string or
                   1851:     # the number of mm to skip:
                   1852: 
                   1853:     my $index = $possible_resources{$resource};
                   1854:     my $skip  = $extraspace[$index];
                   1855: 
                   1856:     my $result = '';
                   1857:     if ($skip ne '') {
1.570     foxr     1858: 	my $units = 'in';
                   1859: 	if (defined($extraspace_mm{$resource})) {
                   1860: 	    $units = 'mm';
                   1861: 	}
                   1862: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     1863:     }
1.570     foxr     1864: 
                   1865: 	
1.569     foxr     1866:     return $result;
                   1867: 
                   1868: 
                   1869: }
                   1870: 
                   1871: #
                   1872: #  The resource chooser part of the helper needs more than just
                   1873: #  the value of the extraspaces var to recover the value into a text
                   1874: #  field option.  This sub produces the required format for the saved var:
                   1875: #  specifically 
                   1876: #    ||| separated fields of the form resourcename=value
                   1877: #
                   1878: #  Parameters:
                   1879: #    $helper     - Refers to the helper we are configuring
                   1880: #  Implicit input:
                   1881: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   1882: #                                          value.
1.570     foxr     1883: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     1884: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   1885: #                                          separated of course.
                   1886: #  Implicit outputs:
1.570     foxr     1887: #     $env{'form.extraspace'}
                   1888: #     $env{'form.extraspace_units'}
1.569     foxr     1889: #
                   1890: sub set_form_extraspace {
                   1891:     my ($helper) = @_;
                   1892: 
                   1893:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   1894:     # may not be the fastest, but this is once per print request so it's not so
                   1895:     # speed critical:
                   1896: 
                   1897:     &load_skips($helper);
                   1898: 
                   1899:     my $result = '';
                   1900: 
                   1901:     foreach my $resource (keys(%possible_resources)) {
                   1902: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   1903: 	$result  .= $resource .'=' . $vskip . '|||';
                   1904:     }
                   1905: 
                   1906:     $env{'form.extraspace'}  = $result;
1.570     foxr     1907:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     1908:     return $result;
                   1909:     
                   1910: }
1.363     foxr     1911: 
1.459     foxr     1912: #  Output a sequence (recursively if neeed)
                   1913: #  from construction space.
                   1914: # Parameters:
                   1915: #    url     = URL of the sequence to print.
                   1916: #    helper  - Reference to the helper hash.
                   1917: #    form    - Copy of the format hash.
                   1918: #    LaTeXWidth
                   1919: # Returns:
                   1920: #   Text to add to the printout.
                   1921: #   NOTE if the first element of the outermost sequence
                   1922: #   is itself a sequence, the outermost caller may need to
                   1923: #   prefix the latex with the page headers stuff.
                   1924: #
                   1925: sub print_construction_sequence {
                   1926:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1927:     my $result;
                   1928:     my $rndseed=time;
                   1929:     if ($helper->{'VARS'}->{'curseed'}) {
                   1930: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1931:     }
1.491     albertel 1932:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1933:     # 
                   1934:     #  These make this all support recursing for subsequences.
                   1935:     #
1.491     albertel 1936:     my @order    = @LONCAPA::map::order;
                   1937:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1938:     for (my $member=0;$member<=$#order;$member++) {
                   1939: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1940: 	my $urlp=$2;
                   1941: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1942: 	    my $texversion='';
                   1943: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1944: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1945: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1946: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1947: 		$form{'rndseed'}=$rndseed;
                   1948: 		$resources_printed .=$urlp.':';
1.515     foxr     1949: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1950: 	    }
                   1951: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1952: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1953: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1954: 		#  Don't permanently modify %$form...
                   1955: 		my %answerform = %form;
                   1956: 		$answerform{'grade_target'}='answer';
                   1957: 		$answerform{'answer_output_mode'}='tex';
                   1958: 		$answerform{'rndseed'}=$rndseed;
                   1959: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1960: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1961: 		$resources_printed .= $urlp.':';
1.515     foxr     1962: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1963: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1964: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1965: 		} else {
                   1966: 		    # If necessary, encapsulate answer in minipage:
                   1967: 		    
                   1968: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1969: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1970: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1971: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1972: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1973: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1974: 		    $body = &encapsulate_minipage($body);
                   1975: 		    $texversion.=$body;
                   1976: 		}
                   1977: 	    }
                   1978: 	    $texversion = &latex_header_footer_remove($texversion);
                   1979: 
                   1980: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1981: 		$texversion=&IndexCreation($texversion,$urlp);
                   1982: 	    }
                   1983: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1984: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1985: 	    }
                   1986: 	    $result.=$texversion;
                   1987: 
                   1988: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1989:  
1.459     foxr     1990: 	    # header:
                   1991: 
                   1992: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1993: 
                   1994: 	    # IF sequence, recurse:
                   1995: 	    
                   1996: 	    if ($urlp =~ /\.sequence$/) {
                   1997: 		my $sequence_url = $urlp;
                   1998: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1999: 		my $user         = $env{'user.name'};
                   2000: 
                   2001: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   2002: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   2003: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   2004: 		$result .= &print_construction_sequence($sequence_url, 
                   2005: 							$helper, %form, 
                   2006: 							$LaTeXwidth);
                   2007: 	    }
1.550     foxr     2008: 	}
                   2009: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2010: 	    my $texversion;
                   2011: 	    if ($member != 0) {
                   2012: 		$texversion .= '\cleardoublepage';
                   2013: 	    }
                   2014: 
                   2015: 	    $texversion .= &include_pdf($urlp);
                   2016: 	    $texversion = &latex_header_footer_remove($texversion);
                   2017: 	    if ($member != $#order) {
                   2018: 		$texversion .= '\\ \cleardoublepage';
                   2019: 	    }
1.551     foxr     2020: 	    
                   2021: 	    $result .= $texversion;
1.550     foxr     2022: 	}
1.459     foxr     2023:     }
                   2024:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2025:     return $result;
                   2026: }
                   2027: 
1.177     sakharuk 2028: sub output_data {
1.184     sakharuk 2029:     my ($r,$helper,$rparmhash) = @_;
                   2030:     my %parmhash = %$rparmhash;
1.515     foxr     2031:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2032:     $resources_printed = '';
1.556     foxr     2033:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     2034:     my $do_postprocessing = 1;
1.433     albertel 2035:     my $js = <<ENDPART;
                   2036: <script type="text/javascript">
1.264     sakharuk 2037:     var editbrowser;
                   2038:     function openbrowser(formname,elementname,only,omit) {
                   2039:         var url = '/res/?';
                   2040:         if (editbrowser == null) {
                   2041:             url += 'launch=1&';
                   2042:         }
                   2043:         url += 'catalogmode=interactive&';
                   2044:         url += 'mode=parmset&';
                   2045:         url += 'form=' + formname + '&';
                   2046:         if (only != null) {
                   2047:             url += 'only=' + only + '&';
                   2048:         } 
                   2049:         if (omit != null) {
                   2050:             url += 'omit=' + omit + '&';
                   2051:         }
                   2052:         url += 'element=' + elementname + '';
                   2053:         var title = 'Browser';
                   2054:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2055:         options += ',width=700,height=600';
                   2056:         editbrowser = open(url,title,options,'1');
                   2057:         editbrowser.focus();
                   2058:     }
                   2059: </script>
1.140     sakharuk 2060: ENDPART
                   2061: 
1.512     foxr     2062: 
1.558     bisitz   2063:     # Breadcrumbs
                   2064:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2065:     my $brcrum = [{'href' => '',
                   2066:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2067:                   {'href' => '',
                   2068:                    'text' => 'Preparing Printout'}];
                   2069: 
                   2070:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2071:                                                      $js,
                   2072:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2073:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2074: 
1.433     albertel 2075:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2076: 
1.363     foxr     2077:     # fetch the pagebreaks and store them in the course environment
                   2078:     # The page breaks will be pulled into the hash %page_breaks which is
                   2079:     # indexed by symb and contains 1's for each break.
                   2080: 
1.373     albertel 2081:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2082:     &set_form_extraspace($helper);
1.373     albertel 2083:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     2084:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2085: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2086: 					       'extraspace'    => 'scalar',
1.570     foxr     2087: 					       'extraspace_units' => 'scalar',
1.366     foxr     2088: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2089:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2090: 
1.140     sakharuk 2091:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2092:     my ($result,$selectionmade) = ('','');
                   2093:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2094:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2095:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2096: 
                   2097:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2098:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2099:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2100:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2101:     my @print_array=();
1.274     sakharuk 2102:     my @student_names=();
1.360     albertel 2103: 
1.512     foxr     2104:      
1.360     albertel 2105:     #  Common settings for the %form has:
                   2106:     # In some cases these settings get overriddent by specific cases, but the
                   2107:     # settings are common enough to make it worthwhile factoring them out
                   2108:     # here.
                   2109:     #
                   2110:     my %form;
                   2111:     $form{'grade_target'} = 'tex';
                   2112:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2113:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2114: 
                   2115:     # If form.showallfoils is set, then request all foils be shown:
                   2116:     # privilege will be enforced both by not allowing the 
                   2117:     # check box selecting this option to be presnt unless it's ok,
                   2118:     # and by lonresponse's priv. check.
                   2119:     # The if is here because lonresponse.pm only cares that
                   2120:     # showallfoils is defined, not what the value is.
                   2121: 
                   2122:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2123: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2124:     }
1.504     albertel 2125:     
                   2126:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2127: 	&Apache::lonnet::appenv({'construct.style' =>
                   2128: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2129:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2130: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2131:     }
                   2132: 
1.372     foxr     2133: 
1.140     sakharuk 2134:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2135:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2136: 	my ($currentURL,$cleanURL);
1.375     foxr     2137: 
1.162     sakharuk 2138: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2139:             #prints published resource
1.153     sakharuk 2140: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2141: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2142: 	} else {
1.512     foxr     2143: 
1.185     sakharuk 2144:             #prints resource from the construction space
1.240     albertel 2145: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2146: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2147: 	    $cleanURL=$currentURL;
1.143     sakharuk 2148: 	}
1.140     sakharuk 2149: 	$selectionmade = 1;
1.413     albertel 2150: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2151: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2152: 	    my $rndseed=time;
1.242     sakharuk 2153: 	    my $texversion='';
                   2154: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2155: 		my %moreenv;
1.343     albertel 2156: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2157:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2158: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2159: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2160: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2161: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2162: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2163: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2164: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2165: 		    $form{'problem_split'}='yes';
                   2166: 		}
1.242     sakharuk 2167: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2168: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2169: 		}
                   2170: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2171: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2172: 
                   2173: 		&Apache::lonxml::clear_problem_counter();
                   2174: 
1.375     foxr     2175: 		$resources_printed .= $currentURL.':';
1.515     foxr     2176: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2177: 
1.511     foxr     2178: 		#  Add annotations if required:
                   2179: 	    
1.428     albertel 2180: 		&Apache::lonxml::clear_problem_counter();
                   2181: 
1.242     sakharuk 2182: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2183: 	    }
1.423     foxr     2184: 	    # current document with answers.. no need to encap in minipage
                   2185: 	    #  since there's only one answer.
                   2186: 
1.242     sakharuk 2187: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2188: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2189: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2190: 		$form{'grade_target'}='answer';
1.167     albertel 2191: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2192: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2193:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2194: 		    $form{'problemtype'}='exam';
                   2195: 		}
1.375     foxr     2196: 		$resources_printed .= $currentURL.':';
1.515     foxr     2197: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2198: 		
                   2199: 
1.242     sakharuk 2200: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2201: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2202: 		} else {
                   2203: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2204: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2205: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2206: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2207: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2208: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2209: 		    } else {
                   2210: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2211: 			my $URLpath=$cleanURL;
1.245     sakharuk 2212: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2213: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2214: 		    }
1.242     sakharuk 2215: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2216: 		}
1.511     foxr     2217: 
                   2218: 
                   2219: 		
                   2220: 
1.550     foxr     2221: 	    
1.511     foxr     2222: 	    }
                   2223: 	    # Print annotations.
                   2224: 
                   2225: 
                   2226: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2227: 		my $annotation .= &annotate($currentURL);
                   2228: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2229: 	    }
1.511     foxr     2230: 
                   2231: 
1.214     sakharuk 2232: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2233: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2234: 	    }
1.219     sakharuk 2235: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2236: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2237: 
                   2238: 	    }
1.162     sakharuk 2239: 	    $result .= $texversion;
                   2240: 	    if ($currentURL=~m/\.page\s*$/) {
                   2241: 		($result,$number_of_columns) = &page_cleanup($result);
                   2242: 	    }
1.413     albertel 2243:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2244: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2245:             #printing content of sequence from the construction space	
1.559     foxr     2246: 
                   2247: 
1.227     sakharuk 2248: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2249: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2250: 						    $LaTeXwidth);
                   2251: 	    $result .= '\end{document}';  
                   2252: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2253: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2254: 	    }
1.459     foxr     2255: 	    # End construction space sequence.
1.456     raeburn  2256: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2257: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2258: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2259: 		$resources_printed .= $currentURL.':';
1.567     foxr     2260: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2261: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2262: 		    my $annotation = &annotate($currentURL);
                   2263: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2264: 		}
1.258     sakharuk 2265: 		$result .= $texversion;
1.550     foxr     2266: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2267: 	    # For this sort of print of a single LaTeX file,
                   2268: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2269: 	    #
                   2270: 
                   2271: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2272: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2273: 		my $annotation = &annotate($currentURL);
                   2274: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2275: 	    }
                   2276: 
1.499     foxr     2277: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2278: 
1.550     foxr     2279: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2280: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2281: 	    $result .= '\end{document}';
1.559     foxr     2282: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2283: 
                   2284: 	    # Determine the set of resources in the map of the page:
                   2285: 
                   2286: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2287: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2288: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2289: 							$cleanURL, \@page_resources);
                   2290: 
                   2291:        
1.162     sakharuk 2292: 	} else {
1.414     albertel 2293: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2294: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2295: 	}
1.354     foxr     2296:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2297: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2298: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2299:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2300:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2301: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2302: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2303: 	     ) { 
1.511     foxr     2304: 
                   2305: 
1.141     sakharuk 2306:         #-- produce an output string
1.562     foxr     2307: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2308: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2309: 	    $selectionmade = 2;
1.562     foxr     2310: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2311: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2312: 	{
1.296     sakharuk 2313: 	    $selectionmade = 3;
1.536     foxr     2314: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2315: 		 ) {
1.296     sakharuk 2316: 	    $selectionmade = 4;
1.354     foxr     2317: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2318: 	    $selectionmade = 4;
1.296     sakharuk 2319: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2320: 	    $selectionmade = 7;
                   2321: 	}
1.193     sakharuk 2322: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2323: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2324: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2325: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2326: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2327: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2328: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2329: 	    $form{'problem_split'}='yes';
                   2330: 	}
1.141     sakharuk 2331: 	my $flag_latex_header_remove = 'NO';
                   2332: 	my $flag_page_in_sequence = 'NO';
                   2333: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2334: 	my $prevassignment='';
1.428     albertel 2335: 
                   2336: 	&Apache::lonxml::clear_problem_counter();
                   2337: 
1.416     foxr     2338: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2339: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2340: 
1.521     foxr     2341: 	    &Apache::lonenc::reset_enc();
                   2342: 
                   2343: 
1.350     foxr     2344: 	    # Note due to document structure, not allowed to put \newpage
                   2345: 	    # prior to the first resource
                   2346: 
1.351     foxr     2347: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2348: 		if($i != 0) {
                   2349: 		    $result.="\\newpage\n";
                   2350: 		}
                   2351: 	    }
1.569     foxr     2352: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2353: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2354: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2355: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2356: 
                   2357: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2358: 
1.267     sakharuk 2359: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2360: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2361: 	    my $texversion='';
1.413     albertel 2362: 	    if ($urlp!~m|^/adm/|
                   2363: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2364: 		$resources_printed .= $urlp.':';
1.428     albertel 2365: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2366: 		if ($flag_latex_header_remove eq 'NO') {
                   2367: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2368: 		    $flag_latex_header_remove = 'YES';
                   2369: 		}
1.515     foxr     2370: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2371: 		if ($urlp=~/\.page$/) {
                   2372: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2373: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2374: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2375: 		    $flag_page_in_sequence = 'YES';
                   2376: 		} 
1.428     albertel 2377: 
1.296     sakharuk 2378: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2379: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2380: 		    #  Don't permanently pervert the %form hash
                   2381: 		    my %answerform = %form;
                   2382: 		    $answerform{'grade_target'}='answer';
                   2383: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2384: 		    $resources_printed .= $urlp.':';
1.428     albertel 2385: 
                   2386: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2387: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2388: 
1.296     sakharuk 2389: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2390: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2391: 		    } else {
1.307     sakharuk 2392: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2393: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2394: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2395: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2396: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2397: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2398: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2399: 			    $body   .='\vskip 1 mm '.$answer;
                   2400: 			    $body    = &encapsulate_minipage($body);
                   2401: 			    $texversion .= $body;
1.296     sakharuk 2402: 			} else {
                   2403: 			    $texversion='';
                   2404: 			}
1.249     sakharuk 2405: 		    }
1.511     foxr     2406: 
1.246     sakharuk 2407: 		}
1.511     foxr     2408: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2409: 		    my $annotation .= &annotate($urlp);
                   2410: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2411: 		}
                   2412: 
1.296     sakharuk 2413: 		if ($flag_latex_header_remove ne 'NO') {
                   2414: 		    $texversion = &latex_header_footer_remove($texversion);
                   2415: 		} else {
                   2416: 		    $texversion =~ s/\\end{document}//;
                   2417: 		}
                   2418: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2419: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2420: 		}
                   2421: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2422: 		    my $name = &get_name();
                   2423: 		    my $courseidinfo = &get_course();
                   2424: 		    $prevassignment=$assignment;
1.455     albertel 2425: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2426: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2427: 							  $assignment, 
                   2428: 							  $courseidinfo, 
                   2429: 							  $name);
1.552     foxr     2430: 
1.417     foxr     2431: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2432: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2433: 		    } else {
1.455     albertel 2434: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2435: 		    }			
1.296     sakharuk 2436: 		}
                   2437: 		$result .= $texversion;
                   2438: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2439: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2440: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2441: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2442: 		$resources_printed .= $urlp.':';
1.567     foxr     2443: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2444: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2445: 		    my $annotation = &annotate($urlp);
                   2446: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2447: 		}
                   2448: 
1.301     sakharuk 2449: 		if ($flag_latex_header_remove ne 'NO') {
                   2450: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2451: 		} else {	
1.301     sakharuk 2452: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2453: 		}
                   2454: 		$result .= $texversion;
                   2455: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2456: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2457: 		if ($i > 0) {
                   2458: 		    $result .= '\cleardoublepage';
                   2459: 		}
1.580     raeburn  2460:                 my $texfrompdf = &include_pdf($urlp);
                   2461:                 if ($flag_latex_header_remove ne 'NO') {
                   2462:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   2463:                 }
                   2464:                 $result .= $texfrompdf;
1.550     foxr     2465: 		if ($i != $#master_seq) {
                   2466: 		    if ($numberofcolumns eq '1') {
                   2467: 			$result .= '\newpage';
                   2468: 		    } else {
                   2469: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2470: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2471: 			#
                   2472: 			$result .= '\\ \cleardoublepage';
                   2473: 		    }
                   2474: 		}
                   2475: 		$flag_latex_header_remove = 'YES';
                   2476: 
1.141     sakharuk 2477: 	    } else {
1.414     albertel 2478: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2479: 					 $master_seq[$i]);
1.297     sakharuk 2480: 		if ($flag_latex_header_remove ne 'NO') {
                   2481: 		    $texversion = &latex_header_footer_remove($texversion);
                   2482: 		} else {
                   2483: 		    $texversion =~ s/\\end{document}//;
                   2484: 		}
                   2485: 		$result .= $texversion;
                   2486: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2487: 	    }	    
1.550     foxr     2488: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2489: 		last; 
                   2490: 	    }
1.141     sakharuk 2491: 	}
1.428     albertel 2492: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2493: 	if ($flag_page_in_sequence eq 'YES') {
                   2494: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2495: 	}	
1.141     sakharuk 2496: 	$result .= '\end{document}';
1.284     albertel 2497:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2498: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2499: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2500: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2501: 
                   2502: 
1.150     sakharuk 2503:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2504: 	 my $type;
1.536     foxr     2505: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2506: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2507: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2508: 	     $selectionmade=5;
1.284     albertel 2509: 	     $type='problems';
1.254     sakharuk 2510: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2511: 	     $selectionmade=8;
1.284     albertel 2512: 	     $type='resources';
1.254     sakharuk 2513: 	 }
1.150     sakharuk 2514: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2515: 	 #   The normal sort order is by section then by students within the
                   2516: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2517: 	 #   to override this and output the students by name.
                   2518: 	 #    Each element of the students array is of the form:
                   2519: 	 #       username:domain:section:last, first:status
                   2520: 	 #    
1.429     foxr     2521: 	 #  Note that student sort is not compatible with printing 
                   2522: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2523: 	 #   
1.429     foxr     2524: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2525: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2526: 	     @students = sort compare_names  @students;
                   2527: 	 }
1.429     foxr     2528: 	 &adjust_number_to_print($helper);
                   2529: 
1.278     albertel 2530:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2531: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2532: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2533: 	 }
1.429     foxr     2534: 	 # If we are splitting on section boundaries, we need 
                   2535: 	 # to remember that in split_on_sections and 
                   2536: 	 # print all of the students in the list.
                   2537: 	 #
                   2538: 	 my $split_on_sections = 0;
                   2539: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2540: 	     $split_on_sections = 1;
                   2541: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2542: 	 }
1.150     sakharuk 2543: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2544: 
1.150     sakharuk 2545: 	 #loop over students
1.562     foxr     2546: 
                   2547:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2548: 	 my %moreenv;
1.330     sakharuk 2549:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2550: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2551: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2552: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2553: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2554: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2555: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2556: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2557: 	     $moreenv{'problem_split'}='yes';
                   2558: 	 }
1.318     albertel 2559: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2560: 	 my $student_counter=-1;
1.429     foxr     2561: 	 my $i = 0;
1.430     albertel 2562: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2563: 	 foreach my $person (@students) {
1.350     foxr     2564: 
1.373     albertel 2565:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2566: 	     if (-e $duefile) {
                   2567: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2568: 		 print $temp_file "1969\n";
                   2569: 	     }
1.272     sakharuk 2570: 	     $student_counter++;
1.429     foxr     2571: 	     if ($split_on_sections) {
1.430     albertel 2572: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2573: 		 if ($this_section ne $last_section) {
                   2574: 		     $i++;
                   2575: 		     $last_section = $this_section;
                   2576: 		 }
                   2577: 	     } else {
                   2578: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2579: 	     }
1.375     foxr     2580: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2581: 						     $person,$type,
                   2582: 						     \%moreenv,\@master_seq,
1.360     albertel 2583: 						     $flag_latex_header_remove,
1.422     albertel 2584: 						     $LaTeXwidth);
1.375     foxr     2585: 	     $resources_printed .= ":";
1.284     albertel 2586: 	     $print_array[$i].=$output;
                   2587: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581   ! bisitz   2588: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
        !          2589: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 2590: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2591: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2592: 	 }
                   2593: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2594: 	 $result .= $print_array[0].'  \end{document}';
                   2595:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2596: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2597: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2598: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2599: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2600: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2601: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2602: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2603: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2604: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2605: 
1.381     albertel 2606: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2607:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2608: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2609: 	 foreach my $line (@lines) {
1.381     albertel 2610: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2611: 	     if ($name eq $code_option) {
                   2612: 		 $code_length=$length;
                   2613: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2614: 	     }
                   2615: 	 }
1.288     albertel 2616: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2617: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2618:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2619: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2620: 	 my @allcodes;
                   2621: 	 if ($old_name) {
1.381     albertel 2622: 	     my %result=&Apache::lonnet::get('CODEs',
                   2623: 					     [$old_name,"type\0$old_name"],
                   2624: 					     $cdom,$cnum);
                   2625: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2626: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2627: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2628: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2629: 	     $num_todo = 1;
                   2630: 	     @allcodes = ($selected_code);
1.385     foxr     2631: 	 } elsif ($single_code) {
                   2632: 
1.387     foxr     2633: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2634: 	     # If an alpha code have to convert to numbers so it can be
                   2635: 	     # converted back to letters again :-)
                   2636: 	     #
                   2637: 	     if ($code_type ne 'number') {
                   2638: 		 $single_code = &letters_to_num($single_code);
                   2639: 	     }
                   2640: 	     @allcodes = ($single_code);
1.292     albertel 2641: 	 } else {
                   2642: 	     my %allcodes;
1.299     albertel 2643: 	     srand($seed);
1.292     albertel 2644: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2645: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2646: 					    $code_type);
1.292     albertel 2647: 	     }
                   2648: 	     if ($code_name) {
                   2649: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2650: 				      {
                   2651: 					$code_name =>join(',',keys(%allcodes)),
                   2652: 					"type\0$code_name" => $code_type
                   2653: 				      },
1.292     albertel 2654: 				      $cdom,$cnum);
                   2655: 	     }
                   2656: 	     @allcodes=keys(%allcodes);
                   2657: 	 }
1.336     albertel 2658: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2659: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2660: 	 &adjust_number_to_print($helper);
1.336     albertel 2661: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2662: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2663: 	     $number_per_page=$num_todo;
                   2664: 	 }
                   2665: 	 my $flag_latex_header_remove = 'NO'; 
                   2666: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2667: 	 my $count=0;
1.292     albertel 2668: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2669: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2670: 	     if ($code_type eq 'number') { 
                   2671: 		 $moreenv{'CODE'}=$code;
                   2672: 	     } else {
                   2673: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2674: 	     }
1.375     foxr     2675: 	     my ($output,$fullname, $printed)=
1.288     albertel 2676: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2677: 				  \@master_seq,$flag_latex_header_remove,
                   2678: 				  $LaTeXwidth);
1.375     foxr     2679: 	     $resources_printed .= ":";
1.295     albertel 2680: 	     $print_array[$file_num].=$output;
1.288     albertel 2681: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2682: 				       &mt('last assignment').' '.$fullname);
                   2683: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2684: 	     $count++;
1.331     albertel 2685: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2686: 	 }
                   2687: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2688: 	 $result .= $print_array[0].'  \end{document}';
                   2689:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2690:     #prints selected problems from the subdirectory 
                   2691: 	$selectionmade = 6;
                   2692:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2693: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2694: 	my $flag_latex_header_remove = 'NO'; 
                   2695: 	my $rndseed=time;
1.230     albertel 2696: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2697: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2698: 	}
1.151     sakharuk 2699: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2700: 
                   2701: 	    &Apache::lonenc::reset_enc();
                   2702: 
1.152     sakharuk 2703: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2704: 	    $urlp=~s|//|/|;
1.152     sakharuk 2705: 	    if ($urlp=~/\//) {
1.353     foxr     2706: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2707: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2708: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2709: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2710: 		} else {
1.302     sakharuk 2711: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2712: 		}
1.375     foxr     2713: 		$resources_printed .= $urlp.':';
1.515     foxr     2714: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2715: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2716: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2717: 		    #  Don't permanently pervert %form:
                   2718: 		    my %answerform = %form;
                   2719: 		    $answerform{'grade_target'}='answer';
                   2720: 		    $answerform{'answer_output_mode'}='tex';
                   2721: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2722: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2723: 		    $resources_printed .= $urlp.':';
1.515     foxr     2724: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2725: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2726: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2727: 		    } else {
1.253     sakharuk 2728: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2729: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2730: 			    $texversion.='\vskip 0 mm \noindent ';
                   2731: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2732: 			} else {
                   2733: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2734: 			    my $URLpath=$urlp;
                   2735: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2736: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2737: 			}
                   2738: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2739: 		    }
1.174     sakharuk 2740: 		}
1.515     foxr     2741:                 #this chunk is responsible for printing the path to problem
                   2742: 
1.253     sakharuk 2743: 		my $newurlp=$urlp;
                   2744: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2745: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2746: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2747: 		if ($flag_latex_header_remove ne 'NO') {
                   2748: 		    $texversion = &latex_header_footer_remove($texversion);
                   2749: 		} else {
                   2750: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2751: 		}
                   2752: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2753: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2754: 		}
1.219     sakharuk 2755: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2756: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2757: 		    
                   2758: 		}
1.152     sakharuk 2759: 		$result .= $texversion;
                   2760: 	    }
                   2761: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2762: 	}
1.175     sakharuk 2763: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2764: 	$result .= '\end{document}';      	
1.140     sakharuk 2765:     }
                   2766: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2767: 
                   2768:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2769: 
                   2770:     if ($do_postprocessing) {
                   2771: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2772: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2773: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2774: 	#if ($numberofcolumns == 1) {
1.451     albertel 2775: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2776: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2777: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2778: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2779: 	#}
                   2780:     }
1.367     foxr     2781: 
1.515     foxr     2782:     # Set URLback if this is a construction space print so we can provide
                   2783:     # a link to the resource being edited.
                   2784:     #
1.274     sakharuk 2785: 
1.276     sakharuk 2786:     my $URLback=''; #link to original document
1.510     albertel 2787:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2788: 	#prints resource from the construction space
                   2789: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2790: 	if ($URLback=~/([^?]+)/) {
                   2791: 	    $URLback=$1;
                   2792: 	    $URLback=~s|^/~|/priv/|;
                   2793: 	}
1.276     sakharuk 2794:     }
1.556     foxr     2795:     #
                   2796:     # Final adjustment of the font size:
                   2797:     #
                   2798: 
                   2799:     $result = set_font_size($result);
1.375     foxr     2800: 
1.525     www      2801: #-- writing .tex file in prtspool 
                   2802:     my $temp_file;
                   2803:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2804:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2805:     if (!($#print_array>0)) { 
                   2806:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2807: 	  $r->log_error("Couldn't open $filename for output $!");
                   2808: 	  return SERVER_ERROR; 
                   2809:        }
                   2810:        print $temp_file $result;
                   2811:        my $begin=index($result,'\begin{document}',0);
                   2812:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2813:     } else {
1.525     www      2814:        my $begin=index($result,'\begin{document}',0);
                   2815:        my $inc=substr($result,0,$begin+16);
                   2816:        for (my $i=0;$i<=$#print_array;$i++) {
                   2817: 	  if ($i==0) {
                   2818: 	      $print_array[$i]=$result;
                   2819: 	  } else {
                   2820: 	      $print_array[$i].='\end{document}';
                   2821: 	      $print_array[$i] = 
                   2822: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2823: 				   $selectionmade, 
                   2824: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2825: 	    
1.525     www      2826: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2827: 	      substr($print_array[$i],0,$anobegin)='';
                   2828: 	      $print_array[$i]=$inc.$print_array[$i];
                   2829: 	  }
                   2830: 	  my $temp_file;
                   2831: 	  my $newfilename=$filename;
                   2832: 	  my $num=$i+1;
                   2833: 	  $newfilename =~s/\.tex$//; 
                   2834: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2835: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2836: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2837: 	      return SERVER_ERROR; 
                   2838: 	  }
                   2839: 	  print $temp_file $print_array[$i];
                   2840:        }
                   2841:     }
                   2842:     my $student_names='';
                   2843:     if ($#print_array>0) {
                   2844:         for (my $i=0;$i<=$#print_array;$i++) {
                   2845:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2846: 	}
1.525     www      2847:     } else {
                   2848: 	if ($#student_names>-1) {
                   2849: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2850: 	} else {
1.525     www      2851:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2852: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2853: 				    $env{'request.course.sec'},$fullname).
                   2854: 					'_ENDPERSON_'.'_END_';
                   2855: 	}
1.525     www      2856:      }
1.515     foxr     2857: 	
1.525     www      2858:      # logic for now is too complex to trace if this has been defined
                   2859:      #  yet.
                   2860:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2861:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2862:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2863: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2864: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2865: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2866: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2867: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2868: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2869: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2870: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2871: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2872: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2873:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2874: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2875: 				"cgi.$identifier.courseid" => $cnum, 
                   2876: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2877: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2878: 	
1.525     www      2879:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2880:     my $continue_text = &mt('Continue');
1.525     www      2881:     # If there's been an unrecoverable SSI error, report it to the user
                   2882:     if ($ssi_error) {
                   2883:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2884:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2885:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2886:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2887:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2888:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2889:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2890:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2891:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2892:     } else {
1.515     foxr     2893: 	$r->print(<<FINALEND);
1.317     albertel 2894: <br />
1.288     albertel 2895: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2896: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2897: $end_page
1.140     sakharuk 2898: FINALEND
1.528     raeburn  2899:     }                                     # endif ssi errors.
1.140     sakharuk 2900: }
                   2901: 
1.288     albertel 2902: 
                   2903: sub get_CODE {
1.381     albertel 2904:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2905:     my $max='1'.'0'x$size;
                   2906:     my $newcode;
                   2907:     while(1) {
1.392     albertel 2908: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2909: 	if (!exists($$all_codes{$newcode})) {
                   2910: 	    $$all_codes{$newcode}=1;
1.381     albertel 2911: 	    if ($type eq 'number' ) {
                   2912: 		return $newcode;
                   2913: 	    } else {
                   2914: 		return &num_to_letters($newcode);
                   2915: 	    }
1.288     albertel 2916: 	}
                   2917:     }
                   2918: }
1.140     sakharuk 2919: 
1.284     albertel 2920: sub print_resources {
1.360     albertel 2921:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2922: 	$LaTeXwidth)=@_;
1.284     albertel 2923:     my $current_output = ''; 
1.375     foxr     2924:     my $printed = '';
1.284     albertel 2925:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2926:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2927:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2928:     if ($person =~ 'anon') {
1.492     foxr     2929: 	$namepostfix .="Name: ";
1.288     albertel 2930: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2931:     }
1.444     foxr     2932:     #  Fullname may have special latex characters that need \ prefixing:
                   2933:     #
                   2934: 
1.350     foxr     2935:     my $i           = 0;
1.284     albertel 2936:     #goes through all resources, checks if they are available for 
                   2937:     #current student, and produces output   
1.428     albertel 2938: 
                   2939:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2940:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2941:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2942:     #
1.441     foxr     2943:     #   end each student with a 
1.440     foxr     2944:     #   Special that allows the post processor to even out the page
                   2945:     #   counts later.  Nasty problem this... it would be really
                   2946:     #   nice to put the special in as a postscript comment
1.441     foxr     2947:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2948:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2949:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2950:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2951:     #
1.568     foxr     2952:     my $syllabus_first = 0;
1.284     albertel 2953:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2954: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2955: 	    if($i != 0) {
                   2956: 		$current_output.= "\\newpage\n";
                   2957: 	    }
                   2958: 	}
1.569     foxr     2959: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     2960: 	$i++;
1.511     foxr     2961: 
1.284     albertel 2962: 	if ( !($type eq 'problems' && 
                   2963: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2964: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2965: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2966: 		if ($res_url!~m|^ext/|
1.413     albertel 2967: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2968: 		    $printed .= $curresline.':';
1.428     albertel 2969: 		    &Apache::lonxml::remember_problem_counter();    
                   2970: 
1.526     www      2971: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2972: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2973: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2974: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2975: 			my %answerenv = %{$moreenv};
                   2976: 			$answerenv{'answer_output_mode'}='tex';
                   2977: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2978: 			
                   2979: 			&Apache::lonxml::restore_problem_counter();
                   2980: 
1.380     foxr     2981: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2982: 
1.305     sakharuk 2983: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2984: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2985: 			} else {
1.423     foxr     2986: 
                   2987: 			    
                   2988: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2989: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2990: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2991: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2992: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2993: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2994: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2995: 			    $body     = &encapsulate_minipage($body);
                   2996: 			    $rendered = $header.$body;
1.305     sakharuk 2997: 			}
                   2998: 		    }
1.511     foxr     2999: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3000: 			my $url = &Apache::lonnet::clutter($res_url);
                   3001: 			my $annotation = &annotate($url);
                   3002: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3003: 		    }
1.562     foxr     3004: 		    my $junk;
1.305     sakharuk 3005: 		    if ($remove_latex_header eq 'YES') {
                   3006: 			$rendered = &latex_header_footer_remove($rendered);
                   3007: 		    } else {
                   3008: 			$rendered =~ s/\\end{document}//;
                   3009: 		    }
                   3010: 		    $current_output .= $rendered;		    
1.456     raeburn  3011: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3012: 		    if ($i == 1) {
                   3013: 			$syllabus_first = 1;
                   3014: 		    }
1.375     foxr     3015: 		    $printed .= $curresline.':';
1.528     raeburn  3016: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3017: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3018: 			my $url = &Apache::lonnet::clutter($res_url);
                   3019: 			my $annotation = &annotate($url);
                   3020: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3021: 		    }
1.305     sakharuk 3022: 		    if ($remove_latex_header eq 'YES') {
                   3023: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3024: 		    } else {
1.305     sakharuk 3025: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3026: 		    }
1.421     foxr     3027: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3028: 		} elsif($res_url = ~/\.pdf$/) {
                   3029: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3030: 		    my $rendered  = &include_pdf($url);
                   3031: 		    if ($remove_latex_header ne 'NO') {
                   3032: 			$rendered = &latex_header_footer_remove($rendered);
                   3033: 		    }
                   3034: 		    $current_output .= $rendered;
1.284     albertel 3035: 		} else {
1.414     albertel 3036: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3037: 		    if ($remove_latex_header ne 'NO') {
                   3038: 			$rendered = &latex_header_footer_remove($rendered);
                   3039: 		    } else {
                   3040: 			$rendered =~ s/\\end{document}//;
                   3041: 		    }
                   3042: 		    $current_output .= $rendered;
1.284     albertel 3043: 		}
                   3044: 	    }
                   3045: 	    $remove_latex_header = 'YES';
1.550     foxr     3046: 	} 
1.331     albertel 3047: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3048:     }
1.552     foxr     3049: 
                   3050: 
1.284     albertel 3051:     my $courseidinfo = &get_course();
                   3052:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3053:     my $header_line =
1.486     foxr     3054: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     3055: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 3056:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3057: 	                                         : '\fancyhead[LO]';
                   3058:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     3059:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 3060: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     3061:     } elsif ($syllabus_first) {
                   3062: 
                   3063: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 3064:     } else {
1.476     albertel 3065: 	my $blankpages = 
                   3066: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3067: 	    
                   3068: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3069: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3070: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3071: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3072:     }
1.440     foxr     3073:     #
                   3074:     #  Close the student bracketing.
                   3075:     #
1.375     foxr     3076:     return ($current_output,$fullname, $printed);
1.284     albertel 3077: 
                   3078: }
1.140     sakharuk 3079: 
1.3       sakharuk 3080: sub handler {
                   3081: 
                   3082:     my $r = shift;
1.397     albertel 3083:     
                   3084:     &init_perm();
1.114     bowersj2 3085: 
1.416     foxr     3086: 
1.67      www      3087: 
1.397     albertel 3088:     my $helper = printHelper($r);
                   3089:     if (!ref($helper)) {
                   3090: 	return $helper;
1.60      sakharuk 3091:     }
1.177     sakharuk 3092:    
1.184     sakharuk 3093: 
1.454     foxr     3094:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3095:  
1.416     foxr     3096: 
1.350     foxr     3097: 
                   3098: 
1.367     foxr     3099:     #  If a figure conversion queue file exists for this user.domain
                   3100:     # we delete it since it can only be bad (if it were good, printout.pl
                   3101:     # would have deleted it the last time around.
                   3102: 
1.373     albertel 3103:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3104:     if(-e $conversion_queuefile) {
                   3105: 	unlink $conversion_queuefile;
                   3106:     }
1.515     foxr     3107:     
                   3108: 
1.184     sakharuk 3109:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3110:     return OK;
1.60      sakharuk 3111: } 
1.2       sakharuk 3112: 
1.131     bowersj2 3113: use Apache::lonhelper;
1.130     sakharuk 3114: 
1.223     bowersj2 3115: sub addMessage {
                   3116:     my $text = shift;
                   3117:     my $paramHash = Apache::lonhelper::getParamHash();
                   3118:     $paramHash->{MESSAGE_TEXT} = $text;
                   3119:     Apache::lonhelper::message->new();
                   3120: }
                   3121: 
1.416     foxr     3122: 
1.238     bowersj2 3123: 
1.397     albertel 3124: sub init_perm {
                   3125:     undef(%perm);
                   3126:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3127:     if (!$perm{'pav'}) {
                   3128: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3129: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3130:     }
1.465     albertel 3131:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3132:     if (!$perm{'pfo'}) {
                   3133: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3134: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3135:     }
                   3136: }
                   3137: 
1.507     albertel 3138: sub get_randomly_ordered_warning {
                   3139:     my ($helper,$map) = @_;
                   3140: 
                   3141:     my $message;
                   3142: 
                   3143:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3144:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3145:     if (defined($navmap)) {
                   3146:         my $res = $navmap->getResourceByUrl($map);
                   3147:         if ($res) {
                   3148: 	    my $func = 
                   3149: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3150: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3151: 	    if (@matches) {
                   3152: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3153: 	    }
                   3154:         }
                   3155:         if ($message) {
                   3156: 	    return '<message type="warning">'.$message.'</message>';
                   3157:         }
                   3158:     } else {
                   3159:         $message = "Retrieval of information about ordering of resources failed."; 
                   3160:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3161:     }
                   3162:     return;
                   3163: }
                   3164: 
1.131     bowersj2 3165: sub printHelper {
1.115     bowersj2 3166:     my $r = shift;
                   3167: 
                   3168:     if ($r->header_only) {
1.373     albertel 3169:         if ($env{'browser.mathml'}) {
1.241     www      3170:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3171:         } else {
1.241     www      3172:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3173:         }
                   3174:         $r->send_http_header;
                   3175:         return OK;
1.115     bowersj2 3176:     }
                   3177: 
1.131     bowersj2 3178:     # Send header, nocache
1.373     albertel 3179:     if ($env{'browser.mathml'}) {
1.241     www      3180:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3181:     } else {
1.241     www      3182:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3183:     }
                   3184:     &Apache::loncommon::no_cache($r);
                   3185:     $r->send_http_header;
                   3186:     $r->rflush();
                   3187: 
1.131     bowersj2 3188:     # Unfortunately, this helper is so complicated we have to
                   3189:     # write it by hand
                   3190: 
                   3191:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3192:     
1.176     bowersj2 3193:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3194:     $helper->declareVar('symb');
1.156     bowersj2 3195:     $helper->declareVar('postdata');    
1.290     sakharuk 3196:     $helper->declareVar('curseed'); 
                   3197:     $helper->declareVar('probstatus');   
1.156     bowersj2 3198:     $helper->declareVar('filename');
                   3199:     $helper->declareVar('construction');
1.178     sakharuk 3200:     $helper->declareVar('assignment');
1.262     sakharuk 3201:     $helper->declareVar('style_file');
1.340     foxr     3202:     $helper->declareVar('student_sort');
1.363     foxr     3203:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3204:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3205:     $helper->declareVar("showallfoils");
1.483     foxr     3206:     $helper->declareVar("STUDENTS");
1.569     foxr     3207:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3208: 
                   3209:    
                   3210: 
                   3211: 
1.569     foxr     3212:     #  The page breaks and extra spaces
                   3213:     #  can get loaded initially from the course environment:
1.394     foxr     3214:     # But we only do this in the initial state so that they are allowed to change.
                   3215:     #
1.366     foxr     3216: 
1.363     foxr     3217:     
                   3218:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3219: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3220: 						 'extraspace'  => 'scalar',
1.570     foxr     3221: 						 'extraspace_units' => 'scalar',
1.366     foxr     3222: 					         'lastprinttype' => 'scalar'});
                   3223:     
1.483     foxr     3224:     # This will persistently load in the data we want from the
                   3225:     # very first screen.
1.394     foxr     3226:     
                   3227:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3228: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3229: 	    
                   3230: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3231: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3232: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3233: 	} else {
                   3234: 	    my $state = $env{"form.CURRENT_STATE"};
                   3235: 	    if ($state eq "START") {
                   3236: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3237: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3238: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3239: 		
1.394     foxr     3240: 	    }
                   3241: 	}
                   3242: 	
1.366     foxr     3243:     }
1.481     albertel 3244: 
1.156     bowersj2 3245:     # Detect whether we're coming from construction space
1.373     albertel 3246:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3247:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3248:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3249:     } else {
1.373     albertel 3250:         if ($env{'form.postdata'}) {
                   3251:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3252: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3253: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3254: 	    }
1.156     bowersj2 3255:         }
1.373     albertel 3256:         if ($env{'form.symb'}) {
                   3257:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3258:         }
1.373     albertel 3259:         if ($env{'form.url'}) {
1.156     bowersj2 3260:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3261:         }
1.416     foxr     3262: 
1.157     bowersj2 3263:     }
1.481     albertel 3264: 
1.373     albertel 3265:     if ($env{'form.symb'}) {
                   3266:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3267:     }
1.373     albertel 3268:     if ($env{'form.url'}) {
1.140     sakharuk 3269:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3270: 
1.140     sakharuk 3271:     }
1.343     albertel 3272:     $helper->{VARS}->{'symb'}=
                   3273: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3274:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3275:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3276: 
1.156     bowersj2 3277:     
1.146     bowersj2 3278:     # Extract map
                   3279:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3280:     my ($map, $id, $url);
                   3281:     my $subdir;
1.483     foxr     3282:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3283: 
                   3284:     # Get the resource name from construction space
                   3285:     if ($helper->{VARS}->{'construction'}) {
                   3286:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3287:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3288:         $subdir = substr($helper->{VARS}->{'filename'},
                   3289:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3290:     } else {
1.562     foxr     3291: 	# From course space:
                   3292: 
1.482     albertel 3293: 	if ($symb ne '') {
                   3294: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3295: 	    $helper->{VARS}->{'postdata'} = 
                   3296: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3297: 	} else {
                   3298: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3299: 	    $is_published=1;	# From resource space.
1.482     albertel 3300: 	}
                   3301: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3302:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3303:             my $postdata = $helper->{VARS}->{'postdata'};
                   3304:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3305:         }
                   3306:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3307:     }
1.373     albertel 3308:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3309: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3310:     }
1.373     albertel 3311:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3312: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3313:     }
1.115     bowersj2 3314: 
1.192     bowersj2 3315:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3316: 
1.481     albertel 3317:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3318: 
1.131     bowersj2 3319:     # "Delete everything after the last slash."
1.119     bowersj2 3320:     $subdir =~ s|/[^/]+$||;
                   3321: 
1.131     bowersj2 3322:     # What can be printed is a very dynamic decision based on
                   3323:     # lots of factors. So we need to dynamically build this list.
                   3324:     # To prevent security leaks, states are only added to the wizard
                   3325:     # if they can be reached, which ensures manipulating the form input
                   3326:     # won't allow anyone to reach states they shouldn't have permission
                   3327:     # to reach.
                   3328: 
                   3329:     # printChoices is tracking the kind of printing the user can
                   3330:     # do, and will be used in a choices construction later.
                   3331:     # In the meantime we will be adding states and elements to
                   3332:     # the helper by hand.
                   3333:     my $printChoices = [];
                   3334:     my $paramHash;
1.130     sakharuk 3335: 
1.240     albertel 3336:     if ($resourceTitle) {
1.458     www      3337:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3338:     }
                   3339: 
1.238     bowersj2 3340:     # Useful filter strings
1.540     raeburn  3341:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3342:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3343:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3344:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3345:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3346:     my $isMap = '$res->is_map()';
1.342     albertel 3347:     my $symbFilter = '$res->shown_symb()';
                   3348:     my $urlValue = '$res->link()';
1.238     bowersj2 3349: 
                   3350:     $helper->declareVar('SEQUENCE');
                   3351: 
1.465     albertel 3352:     # If we're in a sequence...
1.416     foxr     3353: 
1.465     albertel 3354:     my $start_new_option;
                   3355:     if ($perm{'pav'}) {
                   3356: 	$start_new_option = 
                   3357: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     3358: 	    "' variable='FINISHPAGE' />".
1.570     foxr     3359: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     3360: 	    "' variable='EXTRASPACE' type='text' />" .
                   3361: 	    "<option " .
1.570     foxr     3362: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   3363: 	    "<option text='".&mt('Space units<br />check for mm').
                   3364: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   3365: 	    ;
                   3366: 	    
1.569     foxr     3367: 
1.465     albertel 3368:     }
1.238     bowersj2 3369: 
1.562     foxr     3370:     # If not construction space user can print the components of a page:
                   3371: 
                   3372:     my $page_ispage;
                   3373:     my $page_title;
                   3374:     if (!$helper->{VARS}->{'construction'}) {
                   3375: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3376: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3377: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3378: 	if (defined($page_navmap)) {
                   3379: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3380: 	    if(defined($page_resources[0])) {
                   3381: 		$page_ispage       = $page_resources[0]->is_page();
                   3382: 		$page_title     = $page_resources[0]->title();
                   3383: 		my $resourcesymb   = $page_resources[0]->symb();
                   3384: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3385: 		if ($page_ispage) {
                   3386: 		    push @{$printChoices}, 
                   3387: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3388: 		     'map_problems_in_page', 
                   3389: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3390: 		    push @{$printChoices}, 
                   3391: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3392: 		     'map_resources_in_page', 
                   3393: 		     'CHOOSE_RESOURCES_PAGE'];
                   3394: 		}
1.562     foxr     3395:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3396: 							'Select Problem(s) to print',
                   3397: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3398: 							'RESOURCES',
                   3399: 							'PAGESIZE',
                   3400: 							$url,
                   3401: 							$isProblem, '',  $symbFilter,
                   3402: 							$start_new_option);
                   3403: 
                   3404: 
                   3405:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3406: 						    'Select Resource(s) to print',
                   3407: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3408: 						    'RESOURCES',
                   3409: 						    'PAGESIZE',
                   3410: 						    $url,
                   3411: 						    $isNotMap, '', $symbFilter,
                   3412: 						    $start_new_option);
                   3413: 
                   3414: 						    
                   3415: 
                   3416: 
                   3417: 
                   3418: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3419: 	
1.563     foxr     3420: 	    }
                   3421: 	}
1.562     foxr     3422:     }
                   3423: 
                   3424:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3425: 	$helper->{VARS}->{'postdata'} &&
                   3426: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3427:         # Allow problems from sequence
1.562     foxr     3428:         push @{$printChoices}, 
                   3429: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3430: 	     'map_problems', 
                   3431: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3432:         # Allow all resources from sequence
1.562     foxr     3433:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3434: 				'map_problems_pages', 
                   3435: 				'CHOOSE_PROBLEMS_HTML'];
                   3436:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3437: 							'Select Problem(s) to print',
                   3438: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3439: 							'RESOURCES',
                   3440: 							'PAGESIZE',
                   3441: 							$map,
                   3442: 							$isProblem, '',
                   3443: 							$symbFilter,
                   3444: 							$start_new_option);
                   3445: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3446: 						      'Select Resource(s) to print',
                   3447: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3448: 						      'RESOURCES',
                   3449: 						      'PAGESIZE',
                   3450: 						      $map,
                   3451: 						      $isNotMap, '',
                   3452: 						      $symbFilter,
                   3453: 						      $start_new_option);
1.121     bowersj2 3454: 
1.326     sakharuk 3455: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3456:     }
                   3457: 
1.546     bisitz   3458:     # If the user has pfo (print for others) allow them to print all 
                   3459:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3460:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3461:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3462:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3463: 
1.509     albertel 3464:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3465: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3466: 	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     3467: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3468:   <state name="STUDENTS1" title="Select People">
                   3469:       <message><b>Select sorting order of printout</b> </message>
                   3470:     <choices variable='student_sort'>
                   3471:       <choice computer='0'>Sort by section then student</choice>
                   3472:       <choice computer='1'>Sort by students across sections.</choice>
                   3473:     </choices>
                   3474:       <message><br /><hr /><br /> </message>
                   3475:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3476:   </state>
1.284     albertel 3477: ALL_PROBLEMS
1.562     foxr     3478:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3479: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3480: 							      'SelectProblem(s) to print',
                   3481: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3482: 							      'RESOURCES',
                   3483: 							      'PAGESIZE',
                   3484: 							      '',
                   3485: 							      $isProblemOrMap, $isNotMap,
                   3486: 							      $symbFilter,
                   3487: 							      $start_new_option) .
                   3488: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3489: 							      'Select Resource(s) to print',
                   3490: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3491: 							      'RESOURCES',
                   3492: 							      'PAGESIZE',
                   3493: 							      '',
                   3494: 							      $isNotMap,'',$symbFilter,
                   3495: 							      $start_new_option) .
                   3496: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3497: 							      'Select Problem(s) to print',
                   3498: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3499: 							      'RESOURCES',
                   3500: 							      'STUDENTS1',
                   3501: 							      '',
                   3502: 							      $isProblemOrMap,'' , $symbFilter,
                   3503: 							      $start_new_option) .
                   3504: 				     $suffixXml
                   3505: 				   );
1.132     bowersj2 3506: 
1.284     albertel 3507: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3508: 
                   3509: 	    # If we were looking at a page, allow a selection of problems from the page
                   3510: 	    # either for selected students or for coded assignments.
                   3511: 
                   3512: 	    if ($page_ispage) {
                   3513: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3514: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3515: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3516: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3517: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3518: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3519: 	    }
                   3520: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3521: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3522: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3523: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3524: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3525: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3526: 	}
1.424     foxr     3527: 
1.507     albertel 3528: 	my $randomly_ordered_warning = 
                   3529: 	    &get_randomly_ordered_warning($helper,$map);
                   3530: 
1.424     foxr     3531: 	# resource_selector will hold a few states that:
                   3532: 	#   - Allow resources to be selected for printing.
                   3533: 	#   - Determine pagination between assignments.
                   3534: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3535:         # TODO:
                   3536: 	#    Probably good to do things like separate this up into several vars, each
                   3537: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3538: 	#    and next states for better mix and match capability
                   3539: 	#
1.562     foxr     3540: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3541: 							  'Select resources to print',
                   3542: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3543: 							  'RESOURCES', 
                   3544: 							  'PRINT_FORMATTING',
1.571     droeschl 3545: 							  $map,
1.562     foxr     3546: 							  $isProblem, '', $symbFilter,
                   3547: 							  $start_new_option);
                   3548: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3549:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3550:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3551:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3552:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3553:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3554:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3555:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3556:     </choices>
1.424     foxr     3557:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3558:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3559:     <choices variable="SPLIT_PDFS">
                   3560:        <choice computer="all">All assignments in a single PDF file</choice>
                   3561:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3562:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3563:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3564:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3565:     </choices>
1.424     foxr     3566:     </state>
1.284     albertel 3567: RESOURCE_SELECTOR
1.562     foxr     3568:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3569: 							'Select Problem(s) to print',
                   3570: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3571: 							'RESOURCES',
                   3572: 							'PRINT_FORMATTING',
                   3573: 							$url,
                   3574: 							$isProblem, '',  $symbFilter,
                   3575: 							$start_new_option);
                   3576: 
                   3577: 
                   3578: # Generate student choosers.
                   3579: 
                   3580: 
1.284     albertel 3581: 
1.562     foxr     3582:         &Apache::lonxml::xmlparse($r, 'helper',
                   3583: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3584: 							    'student_sort',
                   3585: 							    'STUDENTS',
                   3586: 							    'CHOOSE_STUDENTS_PAGE'));
                   3587: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3588: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3589: 							    'student_sort',
                   3590: 							    'STUDENTS',
                   3591: 							    'SELECT_PROBLEMS'));
                   3592: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3593: 
1.373     albertel 3594: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3595: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3596:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3597: 	my $namechoice='<choice></choice>';
1.337     albertel 3598: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3599: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3600: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3601: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3602: 	}
1.389     foxr     3603: 
                   3604: 
                   3605: 	my %code_values;
1.405     albertel 3606: 	my %codes_to_print;
1.411     albertel 3607: 	foreach my $key (@names) {
1.389     foxr     3608: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3609: 	    foreach my $key (keys(%code_values)) {
                   3610: 		$codes_to_print{$key} = 1;
1.388     foxr     3611: 	    }
                   3612: 	}
1.389     foxr     3613: 
1.452     albertel 3614: 	my $code_selection;
1.405     albertel 3615: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3616: 	    my $choice  = $code;
                   3617: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3618: 		$choice = &letters_to_num($code);
                   3619: 	    }
1.432     albertel 3620: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3621: 	}
1.436     albertel 3622: 	if (%codes_to_print) {
                   3623: 	    $code_selection .='   
1.472     albertel 3624: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3625: 		<message></td><td></message>
1.452     albertel 3626: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3627:                   <choice></choice>
1.448     albertel 3628:                   <exec>
                   3629:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3630:                   </exec>
1.452     albertel 3631: 		</dropdown>
1.468     foxr     3632: 	    <message></td></tr><tr><td></message>
1.436     albertel 3633:             '.$/;
1.448     albertel 3634: 
1.436     albertel 3635: 	}
1.432     albertel 3636: 
1.542     raeburn  3637:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3638: 	my $codechoice='';
1.542     raeburn  3639: 	foreach my $line (@lines) {
1.381     albertel 3640: 	    my ($name,$description,$code_type,$code_length)=
                   3641: 		(split(/:/,$line))[0,1,2,4];
                   3642: 	    if ($code_length > 0 && 
                   3643: 		$code_type =~/^(letter|number|-1)/) {
                   3644: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3645: 	    }
                   3646: 	}
                   3647: 	if ($codechoice eq '') {
                   3648: 	    $codechoice='<choice computer="default">Default</choice>';
                   3649: 	}
1.562     foxr     3650: 	my $anon1 = &generate_code_selector($helper, 
                   3651: 					    'CHOOSE_ANON1',
                   3652: 					    'SELECT_PROBLEMS',
                   3653: 					    $codechoice,
                   3654: 					    $code_selection,
                   3655: 					    $namechoice) . $resource_selector;
                   3656: 					    
                   3657: 					    
                   3658:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3659: 
                   3660: 	my $anon_page = &generate_code_selector($helper,
                   3661: 						'CHOOSE_ANON1_PAGE',
                   3662: 						'SELECT_PROBLEMS_PAGE',
                   3663: 						$codechoice,
                   3664: 						$code_selection,
                   3665: 						$namechoice) .
                   3666: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3667: 						   'Select Problem(s) to print',
                   3668: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3669: 						   'RESOURCES',
                   3670: 						   'PRINT_FORMATTING',
                   3671: 						   $url,
                   3672: 						   $isProblem, '',  $symbFilter,
                   3673: 						   $start_new_option);
                   3674: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3675: 
1.272     sakharuk 3676: 
1.254     sakharuk 3677: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3678: 	    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'];
                   3679: 	    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 3680: 	}
1.284     albertel 3681: 	    
                   3682: 
                   3683: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3684:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3685:     $randomly_ordered_warning
1.424     foxr     3686:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3687:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3688:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3689:               closeallpages="1">
1.254     sakharuk 3690:       <filterfunc>return $isNotMap;</filterfunc>
                   3691:       <mapurl>$map</mapurl>
                   3692:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3693:       $start_new_option
1.254     sakharuk 3694:       </resource>
1.424     foxr     3695:     </state>
1.562     foxr     3696: 
1.424     foxr     3697:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3698:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3699:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3700:     <choices variable="EMPTY_PAGES">
                   3701:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3702:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3703:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3704:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3705:     </choices>
1.424     foxr     3706:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3707:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3708:     <choices variable="SPLIT_PDFS">
                   3709:        <choice computer="all">All assignments in a single PDF file</choice>
                   3710:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3711:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3712:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3713:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3714:     </choices>
1.424     foxr     3715:     </state>
1.284     albertel 3716: RESOURCE_SELECTOR
                   3717: 
                   3718: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3719:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3720:     <choices variable='student_sort'>
                   3721:       <choice computer='0'>Sort by section then student</choice>
                   3722:       <choice computer='1'>Sort by students across sections.</choice>
                   3723:     </choices>
1.437     foxr     3724:     <message><br /><hr /><br /></message>
1.426     foxr     3725:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3726: 
1.424     foxr     3727:     </state>
1.284     albertel 3728:     $resource_selector
1.254     sakharuk 3729: CHOOSE_STUDENTS1
                   3730: 
1.284     albertel 3731: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3732:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3733:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3734:     <message><h4>Fill out one of the forms below</h4></message>
                   3735:     <message><br /><hr /> <br /></message>
                   3736:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3737:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     3738:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 3739:        <validator>
                   3740: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3741: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3742: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3743: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3744: 	    return "You need to specify the number of assignments to print";
                   3745: 	}
1.578     foxr     3746:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   3747:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   3748:             return 'Specifying number of codes to print and a specific code is not compatible';
                   3749:         }
1.362     albertel 3750: 	return undef;
                   3751:        </validator>
                   3752:     </string>
                   3753:     <message></td></tr><tr><td></message>
1.501     albertel 3754:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3755:     <message></td><td></message>
                   3756:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3757:     <message></td></tr><tr><td></message>
                   3758:     <message><b>Bubble sheet type:</b></message>
                   3759:     <message></td><td></message>
                   3760:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3761:     $codechoice
                   3762:     </dropdown>
1.472     albertel 3763:     <message></td></tr><tr><td></table></message>
                   3764:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3765:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3766:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3767:         <validator>
                   3768: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3769: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3770: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3771: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3772: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     3773: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     3774: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     3775: 	   } else {
                   3776: 	       return undef;	# Other forces control us.
                   3777: 	   }
                   3778:         </validator>
                   3779:     </string>
1.472     albertel 3780:     <message></td></tr><tr><td></message>
1.432     albertel 3781:         $code_selection
1.472     albertel 3782:     <message></td></tr></table></message>
                   3783:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3784:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3785:     <message></td><td></message>
1.294     albertel 3786:     <dropdown variable="REUSE_OLD_CODES">
                   3787:         $namechoice
                   3788:     </dropdown>
1.412     albertel 3789:     <message></td></tr></table></message>
1.424     foxr     3790:   </state>
1.284     albertel 3791:     $resource_selector
                   3792: CHOOSE_ANON2
1.481     albertel 3793:     }
                   3794: 
1.121     bowersj2 3795:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3796:     if (($perm{'pav'} 
1.482     albertel 3797: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3798: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3799: 	    ||
                   3800: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3801: 	     && 
                   3802: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3803: 	    )) 
                   3804: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3805: 	) {
                   3806: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3807:         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 3808:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3809:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3810: 
1.138     bowersj2 3811:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3812:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3813:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3814: CHOOSE_FROM_SUBDIR
                   3815:         
1.238     bowersj2 3816:         # this is broken up because I really want interpolation above,
                   3817:         # and I really DON'T want it below
1.139     bowersj2 3818:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3819:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3820: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3821:       </filefilter>
1.138     bowersj2 3822:       </files>
1.131     bowersj2 3823:     </state>
                   3824: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3825:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3826:     }
1.238     bowersj2 3827: 
                   3828:     # Allow the user to select any sequence in the course, feed it to
                   3829:     # another resource selector for that sequence
1.483     foxr     3830:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3831: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3832: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3833: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3834: 	#Escape apostrophes and backslashes for Perl
                   3835: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3836: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3837: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3838:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3839:     <message>Select the sequence to print resources from:</message>
                   3840:     <resource variable="SEQUENCE">
                   3841:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3842:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3843:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3844:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3845: 	</choicefunc>
1.238     bowersj2 3846:       </resource>
                   3847:     </state>
                   3848:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3849:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3850:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3851:               closeallpages="1">
1.238     bowersj2 3852:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3853:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3854:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3855:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3856:       $start_new_option
1.238     bowersj2 3857:       </resource>
                   3858:     </state>
                   3859: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3860: }
1.481     albertel 3861: 
1.131     bowersj2 3862:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3863:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3864:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3865:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3866:     Apache::lonhelper::message->new();
                   3867:     $paramHash = Apache::lonhelper::getParamHash();
                   3868:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3869:     $paramHash->{CHOICES} = $printChoices;
                   3870:     Apache::lonhelper::choices->new();
1.161     bowersj2 3871: 
1.223     bowersj2 3872:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3873:                           # to close it later)
                   3874: 
1.397     albertel 3875:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3876: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3877: 	&addMessage('<br />'
                   3878:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3879:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3880:                    .&Apache::lonhtmlcommon::row_title(
                   3881:                        '<label for="ANSWER_TYPE_forminput">'
                   3882:                       .&mt('Print Answers')
                   3883:                       .'</label>'
                   3884:                     )
                   3885:         );
1.161     bowersj2 3886:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3887: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3888: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3889:         $paramHash->{CHOICES} = [
1.242     sakharuk 3890:                                    ['Without Answers', 'yes'],
                   3891:                                    ['With Answers', 'no'],
1.368     albertel 3892:                                    ['Only Answers', 'only']
1.289     sakharuk 3893:                                 ];
1.210     sakharuk 3894:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3895: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3896: 	$startedTable = 1;
1.556     foxr     3897: 
                   3898: #
                   3899: #  Select font size.
                   3900: #
                   3901: 
                   3902:             $helper->declareVar('fontsize');
                   3903:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3904:             my $xmlfrag = << "FONT_SELECTION";
                   3905: 
                   3906:           
                   3907:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3908:             <defaultvalue>
                   3909: 		  return 'normalsize';
                   3910:             </defaultvalue>
                   3911:             <choice computer='tiny'>Tiny</choice>
                   3912:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3913:             <choice computer='footnotesize'>Footnote Size</choice>
                   3914:             <choice computer='small'>Small</choice>
                   3915:             <choice computer='normalsize'>Normal (default)</choice>
                   3916:             <choice computer='large'>larger than normal</choice>
                   3917:             <choice computer='Large'>Even larger than normal</choice>
                   3918:             <choice computer='LARGE'>Still larger than normal</choice>
                   3919:             <choice computer='huge'>huge font size</choice>
                   3920:             <choice computer='Huge'>Largest possible size</choice>
                   3921:             </dropdown>
                   3922: FONT_SELECTION
                   3923:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3924:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3925:     }
1.209     sakharuk 3926: 
1.397     albertel 3927:     if ($perm{'pav'}) {
1.223     bowersj2 3928: 	if (!$startedTable) {
1.497     www      3929: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3930:                        '<label for="LATEX_TYPE_forminput">'.
                   3931:                        &mt('LaTeX mode').
                   3932:                        "</label>: </td><td>");
1.223     bowersj2 3933: 	    $startedTable = 1;
                   3934: 	} else {
1.544     bisitz   3935: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3936:                            '<label for="LATEX_TYPE_forminput">'
                   3937:                            .&mt('LaTeX mode')
                   3938:                            .'</label>'
                   3939:                         )
                   3940:             );
1.223     bowersj2 3941: 	}
1.203     sakharuk 3942:         $paramHash = Apache::lonhelper::getParamHash();
                   3943: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3944: 	$helper->declareVar('LATEX_TYPE');  
                   3945: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3946: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3947: 				     ['standard LaTeX mode', 'standard'], 
                   3948: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3949: 	} else {
                   3950: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3951: 				     ['LaTeX batchmode', 'batchmode'],
                   3952: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3953: 	}
1.210     sakharuk 3954:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3955:  
1.544     bisitz   3956: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3957:                    .&Apache::lonhtmlcommon::row_title(
                   3958:                         '<label for="TABLE_CONTENTS_forminput">'
                   3959:                        .&mt('Print Table of Contents')
                   3960:                        .'</label>'
                   3961:                     )
                   3962:         );
1.209     sakharuk 3963:         $paramHash = Apache::lonhelper::getParamHash();
                   3964: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3965: 	$helper->declareVar('TABLE_CONTENTS');         
                   3966:         $paramHash->{CHOICES} = [
1.223     bowersj2 3967:                                    ['No', 'no'],
                   3968:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3969:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3970: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3971:         
1.220     sakharuk 3972: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3973: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3974:                             '<label for="TABLE_INDEX_forminput">'
                   3975:                            .&mt('Print Index')
                   3976:                            .'</label>'
                   3977:                         )
                   3978:             );
1.220     sakharuk 3979: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3980: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3981: 	    $helper->declareVar('TABLE_INDEX');         
                   3982: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3983: 				     ['No', 'no'],
                   3984: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3985: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3986:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3987:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3988:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3989:                            .&mt('Print Discussions')
                   3990:                            .'</label>'
                   3991:                         )
                   3992:             );
1.309     sakharuk 3993: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3994: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3995: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3996: 	    $paramHash->{CHOICES} = [
                   3997: 				     ['No', 'no'],
                   3998: 				     ['Yes', 'yes'] ];
                   3999: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4000:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4001: 
1.511     foxr     4002: 	    # Prompt for printing annotations too.
                   4003: 		
1.545     bisitz   4004: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4005:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4006:                            .&mt('Print Annotations')
                   4007:                            .'</label>'
                   4008:                         )
                   4009:             );
1.511     foxr     4010: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4011: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4012: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4013: 	    $paramHash->{CHOICES} = [
                   4014: 				     ['No', 'no'],
                   4015: 				     ['Yes', 'yes']];
                   4016: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4017:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4018: 
1.545     bisitz   4019:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4020: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4021: 	    $paramHash->{'multichoice'} = "true";
                   4022: 	    $paramHash->{'allowempty'}  = "true";
                   4023: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4024: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4025: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4026:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4027: 	}
1.219     sakharuk 4028: 
1.230     albertel 4029: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4030: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4031:             my $randseedtext=&mt("Use random seed");
                   4032:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4033:             my $selectfiletext=&mt("Select style file");
1.497     www      4034: 
1.544     bisitz   4035: 	    my $xmlfrag .= '<message>'
                   4036:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4037:                                               .$randseedtext
                   4038:                                               .'</label>'
                   4039:              )
                   4040:             .'</message>
                   4041:             <string variable="curseed" size="15" maxlength="15">
                   4042:                 <defaultvalue>
                   4043:                    return '.$helper->{VARS}->{'curseed'}.';
                   4044:                 </defaultvalue>'
                   4045:             .'</string>'
                   4046:             .'<message>'
                   4047:             .&Apache::lonhtmlcommon::row_closure()
                   4048:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4049:                                               .$stylefiletext
                   4050:                                               .'</label>'
                   4051:              )
                   4052:             .'</message>
1.504     albertel 4053:              <string variable="style_file" size="40">
1.544     bisitz   4054:                 <defaultvalue>
                   4055:                     return '.$stylevalue.';
                   4056:                 </defaultvalue>
                   4057:              </string><message>&nbsp;'
                   4058: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4059: .$selectfiletext.'</a>'
                   4060:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4061:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4062:             .'</message>
1.371     foxr     4063: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4064:                 <choice computer="1">&nbsp;</choice>
                   4065:              </choices>'
                   4066: 	    .'<message>'
                   4067:             .&Apache::lonhtmlcommon::row_closure()
                   4068:             .'</message>';
1.230     albertel 4069:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4070: 
                   4071: 
1.544     bisitz   4072:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4073: 	    #
                   4074: 	    # Initial value from construction space:
                   4075: 	    #
                   4076: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4077: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4078: 	    }
1.518     foxr     4079: 	    $xmlfrag = << "PROBTYPE";
                   4080: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4081: 		   <defaultvalue>
                   4082: 		      return "$helper->{VARS}->{'probstatus'}";
                   4083:                    </defaultvalue>
                   4084: 		   <choice computer="problem">Homework Problem</choice>
                   4085: 		   <choice computer="exam">Exam Problem</choice>
                   4086: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4087:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4088: 		</dropdown>
                   4089: PROBTYPE
                   4090:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4091:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4092: 
1.556     foxr     4093: 
                   4094: 
1.544     bisitz   4095:         }
1.223     bowersj2 4096:     }
1.264     sakharuk 4097: 
                   4098: 
                   4099: 
1.218     sakharuk 4100: 
1.223     bowersj2 4101:     if ($startedTable) {
1.544     bisitz   4102:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4103:     }
1.161     bowersj2 4104: 
1.131     bowersj2 4105:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4106: 
1.144     bowersj2 4107:     # Generate the PAGESIZE state which will offer the user the margin
                   4108:     # choices if they select one column
                   4109:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4110:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4111: 
                   4112: 
1.131     bowersj2 4113:     $helper->process();
                   4114: 
1.416     foxr     4115: 
1.131     bowersj2 4116:     # MANUAL BAILOUT CONDITION:
                   4117:     # If we're in the "final" state, bailout and return to handler
                   4118:     if ($helper->{STATE} eq 'FINAL') {
                   4119:         return $helper;
                   4120:     }    
1.130     sakharuk 4121: 
1.131     bowersj2 4122:     $r->print($helper->display());
1.395     www      4123:     if ($helper->{STATE} eq 'START') {
                   4124: 	&recently_generated($r);
                   4125:     }
1.333     albertel 4126:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4127: 
                   4128:     return OK;
                   4129: }
                   4130: 
1.1       www      4131: 
                   4132: 1;
1.119     bowersj2 4133: 
                   4134: package Apache::lonprintout::page_format_state;
                   4135: 
                   4136: =pod
                   4137: 
1.131     bowersj2 4138: =head1 Helper element: page_format_state
                   4139: 
                   4140: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4141: 
1.131     bowersj2 4142: Apache::lonprintout::page_format_state is an element that gives the 
                   4143: user an opportunity to select the page layout they wish to print 
                   4144: with: Number of columns, portrait/landscape, and paper size. If you 
                   4145: want to change the paper size choices, change the @paperSize array 
                   4146: contents in this package.
1.119     bowersj2 4147: 
1.131     bowersj2 4148: page_format_state is always directly invoked in lonprintout.pm, so there
                   4149: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4150: 
                   4151: =over 4
                   4152: 
1.131     bowersj2 4153: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4154: 
                   4155: =back
                   4156: 
                   4157: =cut
                   4158: 
1.131     bowersj2 4159: use Apache::lonhelper;
1.119     bowersj2 4160: 
                   4161: no strict;
1.131     bowersj2 4162: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4163: use strict;
1.266     sakharuk 4164: use Apache::lonlocal;
1.373     albertel 4165: use Apache::lonnet;
1.119     bowersj2 4166: 
                   4167: my $maxColumns = 2;
1.376     albertel 4168: # it'd be nice if these all worked
                   4169: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4170: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4171: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4172: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4173: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4174: 		 "a4 [210x297 mm]");
1.119     bowersj2 4175: 
                   4176: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4177: #                   Paper type
                   4178: 
                   4179: sub new { 
1.131     bowersj2 4180:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4181: 
1.135     bowersj2 4182:     shift;
                   4183: 
1.131     bowersj2 4184:     $self->{'variable'} = shift;
1.134     bowersj2 4185:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4186:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4187:     bless($self);
1.119     bowersj2 4188:     return $self;
                   4189: }
                   4190: 
                   4191: sub render {
                   4192:     my $self = shift;
1.131     bowersj2 4193:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4194:     my $result = '';
1.131     bowersj2 4195:     my $var = $self->{'variable'};
1.266     sakharuk 4196:     my $PageLayout=&mt('Page layout');
                   4197:     my $NumberOfColumns=&mt('Number of columns');
                   4198:     my $PaperType=&mt('Paper type');
1.506     albertel 4199:     my $landscape=&mt('Landscape');
                   4200:     my $portrait=&mt('Portrait');
1.539     onken    4201:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4202:     my $with=&mt('with Formfields');
                   4203:     my $without=&mt('without Formfields');
1.556     foxr     4204:     
                   4205: 
1.544     bisitz   4206:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4207:             .&Apache::loncommon::start_data_table()
                   4208:             .&Apache::loncommon::start_data_table_header_row()
                   4209:             .'<th>'.$PageLayout.'</th>'
                   4210:             .'<th>'.$NumberOfColumns.'</th>'
                   4211:             .'<th>'.$PaperType.'</th>'
                   4212:             .'<th>'.$pdfFormLabel.'</th>'
                   4213:             .&Apache::loncommon::end_data_table_header_row()
                   4214:             .&Apache::loncommon::start_data_table_row()
                   4215:     .'<td>'
                   4216:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4217:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4218:     .'</td>';
1.119     bowersj2 4219: 
1.544     bisitz   4220:     $result.='<td align="center">'
                   4221:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4222: 
                   4223:     my $i;
                   4224:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4225:         if ($i == 2) {
1.553     bisitz   4226:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4227:         } else {
1.553     bisitz   4228:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4229:         }
                   4230:     }
                   4231: 
                   4232:     $result .= "</select></td><td>\n";
                   4233:     $result .= "<select name='${var}.paper'>\n";
                   4234: 
1.373     albertel 4235:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4236:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4237:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4238:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4239:     $i = 0;
                   4240:     foreach (@paperSize) {
1.326     sakharuk 4241: 	$_=~/(\w+)/;
                   4242: 	my $papersize=$1;
1.304     sakharuk 4243:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4244:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4245:         } else {
1.553     bisitz   4246:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4247:         }
                   4248:         $i++;
                   4249:     }
1.539     onken    4250:     $result .= <<HTML;
                   4251:         </select>
                   4252:     </td>
                   4253:     <td align='center'>
                   4254:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4255:             <option selected="selected" value="no">$without</option>
                   4256:             <option value="yes">$with</option>
1.539     onken    4257:         </select>
                   4258:     </td>
                   4259: HTML
1.544     bisitz   4260:     $result.=&Apache::loncommon::end_data_table_row()
                   4261:             .&Apache::loncommon::end_data_table();
1.539     onken    4262: 
1.119     bowersj2 4263:     return $result;
1.135     bowersj2 4264: }
                   4265: 
                   4266: sub postprocess {
                   4267:     my $self = shift;
                   4268: 
                   4269:     my $var = $self->{'variable'};
1.136     bowersj2 4270:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4271:     $helper->{VARS}->{$var} = 
1.373     albertel 4272:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4273:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4274:     return 1;
1.119     bowersj2 4275: }
                   4276: 
                   4277: 1;
1.144     bowersj2 4278: 
                   4279: package Apache::lonprintout::page_size_state;
                   4280: 
                   4281: =pod
                   4282: 
                   4283: =head1 Helper element: page_size_state
                   4284: 
                   4285: See lonhelper.pm documentation for discussion of the helper framework.
                   4286: 
                   4287: Apache::lonprintout::page_size_state is an element that gives the 
                   4288: user the opportunity to further refine the page settings if they
                   4289: select a single-column page.
                   4290: 
                   4291: page_size_state is always directly invoked in lonprintout.pm, so there
                   4292: is no tag interface. You actually pass parameters to the constructor.
                   4293: 
                   4294: =over 4
                   4295: 
                   4296: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4297: 
                   4298: =back
                   4299: 
                   4300: =cut
                   4301: 
                   4302: use Apache::lonhelper;
1.373     albertel 4303: use Apache::lonnet;
1.144     bowersj2 4304: no strict;
                   4305: @ISA = ("Apache::lonhelper::element");
                   4306: use strict;
                   4307: 
                   4308: 
                   4309: 
                   4310: sub new { 
                   4311:     my $self = Apache::lonhelper::element->new();
                   4312: 
                   4313:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4314:            # package descriptor)... - Jeremy
                   4315: 
                   4316:     $self->{'variable'} = shift;
                   4317:     my $helper = Apache::lonhelper::getHelper();
                   4318:     $helper->declareVar($self->{'variable'});
                   4319: 
                   4320:     # The variable name of the format element, so we can look into 
                   4321:     # $helper->{VARS} to figure out whether the columns are one or two
                   4322:     $self->{'formatvar'} = shift;
                   4323: 
1.463     foxr     4324: 
1.144     bowersj2 4325:     $self->{NEXTSTATE} = shift;
                   4326:     bless($self);
1.467     foxr     4327: 
1.144     bowersj2 4328:     return $self;
                   4329: }
                   4330: 
                   4331: sub render {
                   4332:     my $self = shift;
                   4333:     my $helper = Apache::lonhelper::getHelper();
                   4334:     my $result = '';
                   4335:     my $var = $self->{'variable'};
                   4336: 
1.467     foxr     4337: 
                   4338: 
1.144     bowersj2 4339:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4340:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4341:     }
                   4342: 
1.438     foxr     4343:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4344: 
                   4345:     # Use format to get sensible defaults for the margins:
                   4346: 
                   4347: 
                   4348:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4349:     ($papersize)                      = split(/ /, $papersize);
                   4350: 
1.559     foxr     4351:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4352: 
                   4353: 
                   4354: 
1.464     albertel 4355:     my %size;
                   4356:     ($size{'width_and_units'},
                   4357:      $size{'height_and_units'},
                   4358:      $size{'margin_and_units'})=
                   4359: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4360:     
1.464     albertel 4361:     foreach my $dimension ('width','height','margin') {
                   4362: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4363: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4364:        	
                   4365: 	foreach my $unit ('cm','in') {
                   4366: 	    $size{$dimension.'_options'} .= '<option ';
                   4367: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4368: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4369: 	    }
                   4370: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4371: 	}
1.438     foxr     4372:     }
                   4373: 
1.470     foxr     4374:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4375: 
                   4376:     if ($size{'margin_unit'} eq 'in') {
                   4377: 	$size{'margin'} += 1;
                   4378:     }  else {
                   4379: 	$size{'margin'} += 2.54;
                   4380:     }
1.548     bisitz   4381:     my %lt = &Apache::lonlocal::texthash(
                   4382:         'format' => 'How should each column be formatted?',
                   4383:         'width'  => 'Width',
                   4384:         'height' => 'Height',
                   4385:         'margin' => 'Left Margin'
                   4386:     );
                   4387: 
                   4388:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4389:               .&Apache::lonhtmlcommon::start_pick_box()
                   4390:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4391:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4392:               .'<select name="'.$var.'.widthunit">'
                   4393:               .$size{'width_options'}
                   4394:               .'</select>'
                   4395:               .&Apache::lonhtmlcommon::row_closure()
                   4396:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4397:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4398:               .'<select name="'.$var.'.heightunit">'
                   4399:               .$size{'height_options'}
                   4400:               .'</select>'
                   4401:               .&Apache::lonhtmlcommon::row_closure()
                   4402:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4403:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4404:               .'<select name="'.$var.'.lmarginunit">'
                   4405:               .$size{'margin_options'}
                   4406:               .'</select>'
                   4407:               .&Apache::lonhtmlcommon::row_closure(1)
                   4408:               .&Apache::lonhtmlcommon::end_pick_box();
                   4409:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4410:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4411: 
                   4412:     return $result;
                   4413: }
                   4414: 
1.470     foxr     4415: 
1.144     bowersj2 4416: sub preprocess {
                   4417:     my $self = shift;
                   4418:     my $helper = Apache::lonhelper::getHelper();
                   4419: 
                   4420:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4421: 
                   4422:     #  If the user does not have 'pav' privilege, set default widths and
                   4423:     #  on to the next state right away.
                   4424:     #
                   4425:     if (!$perm{'pav'}) {
                   4426: 	my $var = $self->{'variable'};
                   4427: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4428: 	
                   4429: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4430: 	($papersize)                      = split(/ /, $papersize);
                   4431: 	
                   4432: 	
1.560     foxr     4433: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4434: 
1.467     foxr     4435: 	#  Figure out some good defaults for the print out and set them:
                   4436: 	
                   4437: 	my %size;
                   4438: 	($size{'width'},
                   4439: 	 $size{'height'},
                   4440: 	 $size{'lmargin'})=
                   4441: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4442: 	
                   4443: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4444: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4445: 	    	    
1.467     foxr     4446: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4447: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4448: 	    
                   4449: 	}
                   4450: 	
                   4451: 
                   4452: 	# Transition to the next state
                   4453: 
                   4454: 	$helper->changeState($self->{NEXTSTATE});
                   4455:     }
1.144     bowersj2 4456:    
                   4457:     return 1;
                   4458: }
                   4459: 
                   4460: sub postprocess {
                   4461:     my $self = shift;
                   4462: 
                   4463:     my $var = $self->{'variable'};
                   4464:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4465:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4466:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4467:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4468:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4469:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4470:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4471: 
                   4472:     my $error = '';
                   4473: 
                   4474:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4475:     # by an optional period, followed by digits, ending the string
                   4476: 
1.464     albertel 4477:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4478:         $error .= "Invalid width; please type only a number.<br />\n";
                   4479:     }
1.464     albertel 4480:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4481:         $error .= "Invalid height; please type only a number.<br />\n";
                   4482:     }
1.464     albertel 4483:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4484:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4485:     } else {
                   4486: 	# Adjust for LaTeX 1.0 inch margin:
                   4487: 
                   4488: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4489: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4490: 	} else {
                   4491: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4492: 	}
1.144     bowersj2 4493:     }
                   4494: 
                   4495:     if (!$error) {
                   4496:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4497:         return 1;
                   4498:     } else {
                   4499:         $self->{ERROR_MSG} = $error;
                   4500:         return 0;
                   4501:     }
                   4502: }
                   4503: 
                   4504: 
1.119     bowersj2 4505: 
1.1       www      4506: __END__
1.6       sakharuk 4507: 

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