Annotation of loncom/interface/lonprintout.pm, revision 1.583.2.3

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.583.2.3! raeburn     5: # $Id: lonprintout.pm,v 1.583.2.2 2010/08/26 09:30:10 raeburn Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.511     foxr       48: 
1.491     albertel   49: use LONCAPA::map();
1.34      sakharuk   50: use POSIX qw(strftime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
                     79: #  Returns the text needd for a student chooser.
                     80: #  that text must still be parsed by the helper xml parser.
                     81: # Parameters:
                     82: #   this_state   - State name of the chooser.
                     83: #   sort_choice  - variable to hold the sorting choice.
                     84: #   variable     - Name of variable to hold students.
                     85: #   next_state   - State after chooser.
                     86: 
                     87: 
                     88: sub generate_student_chooser {
                     89:     my ($this_state, 
                     90: 	$sort_choice, 
                     91: 	$variable, 
                     92: 	$next_state) = @_;
                     93:     my $result = <<CHOOSE_STUDENTS;
                     94:   <state name="$this_state" title="Select Students and Resources">
                     95:       <message><b>Select sorting order of printout</b> </message>
                     96: 
                     97:     <choices variable="$sort_choice">
                     98:       <choice computer='0'>Sort by section then student</choice>
                     99:       <choice computer='1'>Sort by students across sections.</choice>
                    100:     </choices>
                    101: 
                    102:       <message><br /><hr /><br /> </message>
                    103:       <student multichoice='1' 
                    104:                variable="$variable" 
                    105:                nextstate="$next_state" 
                    106:                coursepersonnel="1" />
                    107:   </state>
                    108: 
                    109: CHOOSE_STUDENTS
                    110: 
                    111:   return $result;
                    112: }
                    113: 
                    114: # Generate the text needed for a resource chooser given the top level of
                    115: # the sequence/page
                    116: #
                    117: # Parameters:
                    118: #     this_state    - State name of the chooser.
                    119: #     prompt_text   - Text to use to prompt user.
                    120: #     resource_options - Resource tag options e.g.
                    121: #                        "multichoice='1', toponly='1', addstatus='1'"
                    122: #                     that control the selection and appearance of the
                    123: #                     resource selector.
                    124: #     variable      - Name of the variable to hold the choice
                    125: #     next_state    - Name of the next state the helper should transition
                    126: #                     to
                    127: #     top_url       - Top level URL within which to make the selector.
                    128: #                     If empty the top level sequence is shown.
                    129: #     filter        - How to filter the resources.
                    130: #     value_func    - <valuefunc> function.
                    131: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    132: #     start_new_option 
                    133: #                   - Fragment appended after valuefunc.
                    134: #
                    135: #
                    136: sub generate_resource_chooser {
                    137:     my ($this_state,
                    138: 	$prompt_text,
                    139: 	$resource_options,
                    140: 	$variable,
                    141: 	$next_state,
                    142: 	$top_url,
                    143: 	$filter,
                    144: 	$choice_func,
                    145: 	$value_func,
                    146: 	$start_new_option)  = @_;
                    147: 
                    148:     my $result = <<CHOOSE_RESOURCES;
                    149: <state name="$this_state" title="$prompt_text">
                    150:     <resource variable="$variable" $resource_options
                    151:               closeallpages="1">
                    152:       <nextstate>$next_state</nextstate>
                    153:       <filterfunc>return $filter;</filterfunc>
                    154: CHOOSE_RESOURCES
                    155:     if ($choice_func ne '') {
                    156: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    157:     }
                    158:     if ($top_url ne '') {
                    159: 	$result .=  "<mapurl>$top_url</mapurl>";
                    160:     }
                    161:     $result .= <<CHOOSE_RESOURCES;
                    162:       <valuefunc>return $value_func;</valuefunc>
                    163:       $start_new_option
                    164:       </resource>
                    165:     </state>
                    166: CHOOSE_RESOURCES
                    167: 
                    168:     return $result;
                    169: }
                    170: #
                    171: #   Generate the helper XML for a code choice helper dialog:
                    172: #
                    173: # Paramters:
                    174: #   $helper       - Reference to the helper.
                    175: #   $state        - Name of the state for the chooser.
                    176: #   $next_state   - Name fo the state to follow the chooser.
                    177: #   $bubble_types - Populates the bubble sheet type dropt down.
                    178: #   $code_selections - Provides set of code choices that have been used
                    179: #   $saved_codes  - Provides the list of saved codes.
                    180: #
                    181: # Returns;
                    182: #   The Xml of the code chooser.
                    183: #
                    184: sub generate_code_selector {
                    185:     my ($helper,
                    186: 	$state,
                    187: 	$next_state,
                    188: 	$bubble_types,
                    189: 	$code_selections,
                    190: 	$saved_codes) = @_;	# Unpack the parameters.
                    191: 
                    192:     my $result = <<CHOOSE_ANON1;
                    193:   <state name="$state" title="Specify CODEd Assignments">
                    194:     <nextstate>$next_state</nextstate>
                    195:     <message><h4>Fill out one of the forms below</h4></message>
                    196:     <message><br /><hr /> <br /></message>
                    197:     <message><h3>Generate new CODEd Assignments</h3></message>
                    198:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    205: 
1.562     foxr      206: 	    return "You need to specify the number of assignments to print";
                    207: 	}
1.578     foxr      208:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    209:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    210:             return 'Specifying number of codes to print and a specific code is not compatible';
                    211:         }
1.562     foxr      212: 	return undef;
                    213:        </validator>
                    214:     </string>
                    215:     <message></td></tr><tr><td></message>
                    216:     <message><b>Names to save the CODEs under for later:</b></message>
                    217:     <message></td><td></message>
                    218:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    219:     <message></td></tr><tr><td></message>
                    220:     <message><b>Bubble sheet type:</b></message>
                    221:     <message></td><td></message>
                    222:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    223:     $bubble_types
                    224:     </dropdown>
                    225:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    226:     <message></td></tr><tr><td></table></message>
                    227:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    228:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    229:     <string variable="SINGLE_CODE" size="10">
                    230:         <validator>
                    231: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    232: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    233: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    234: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    235: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      236: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      237: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      238: 	   } else {
                    239: 	       return undef;	# Other forces control us.
                    240: 	   }
                    241:         </validator>
                    242:     </string>
                    243:     <message></td></tr><tr><td></message>
                    244:         $code_selections
                    245:     <message></td></tr></table></message>
                    246:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    247:     <message><b>Select saved CODEs:</b></message>
                    248:     <message></td><td></message>
                    249:     <dropdown variable="REUSE_OLD_CODES">
                    250:         $saved_codes
                    251:     </dropdown>
                    252:     <message></td></tr></table></message>
                    253:   </state>
                    254: CHOOSE_ANON1
                    255: 
                    256:    return $result;
                    257: }
                    258: 
                    259: #-----------------------------------------------------------------------
                    260: 
1.515     foxr      261: 
1.498     foxr      262: # Fetch the contents of a resource, uninterpreted.
                    263: # This is used here to fetch a latex file to be included
                    264: # verbatim into the printout<
                    265: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    266: #
                    267: # Parameters:
                    268: #   URL of the file
                    269: #
                    270: sub fetch_raw_resource {
                    271:     my ($url) = @_;
                    272: 
                    273:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      274:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      275: 
1.500     foxr      276:     if ($contents == -1) {
                    277: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      278:     }
1.500     foxr      279:     return $contents;
1.498     foxr      280: 
                    281:     
                    282: }
                    283: 
1.511     foxr      284: #  Fetch the annotations associated with a URL and 
                    285: #  put a centered 'annotations:' title.
                    286: #  This is all suppressed if the annotations are empty.
                    287: #
                    288: sub annotate {
                    289:     my ($symb) = @_;
                    290: 
1.559     foxr      291:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      292: 
                    293: 
                    294:     my $result = "";
                    295: 
                    296:     if (length($annotation_text) > 0) {
                    297: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    298: 	$result .= "\n";
                    299: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    300: 	$result .= "\n\n";
                    301:     }
                    302:     return $result;
                    303: }
                    304: 
1.556     foxr      305: #
                    306: #   Set a global document font size:
                    307: #   This is done by replacing \begin{document}
                    308: #   with \begin{document}{\some-font-directive
                    309: #   and \end{document} with
                    310: #   }\end{document
                    311: #
                    312: sub set_font_size {
                    313: 
                    314:     my ($text) = @_;
                    315: 
1.575     foxr      316:     # There appear to be cases where the font directive is empty.. in which
                    317:     # case the first substituion would  insert a spurious \ oh happy day.
                    318:     # as this has been the cause of much mystery and hair pulling _sigh_
                    319: 
                    320:     if ($font_size ne '') {
                    321: 
                    322: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    323:     }
1.556     foxr      324:     $text =~ s/\\end{document}/}\\end{document}/;
                    325:     return $text;
                    326: 
                    327: 
                    328: }
                    329: 
1.550     foxr      330: # include_pdf - PDF files are included into the 
                    331: # output as follows:
                    332: #  - The PDF, if necessary, is replicated.
                    333: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    334: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    335: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    336: #
                    337: # Parameters:
                    338: #   pdf_uri   - URI of the PDF file to include.
                    339: #   
                    340: # Returns:
                    341: #  The LaTeX to include.
                    342: #
                    343: # Assumptions:
                    344: #    The uri is actually a PDF file
                    345: #    The postscript will have the includepsheader.ps included.
                    346: #
                    347: #
                    348: sub include_pdf {
                    349:     my ($pdf_uri) = @_;
                    350: 
                    351:     # Where is the file? If not local we'll need to repcopy it:'
                    352: 
                    353:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    354:     if (! -e $file) {
                    355: 	&Apache::lonnet::repcopy($file);
                    356: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    357:     }
                    358: 
                    359:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    360:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    361:     # need tob e converted for this print job:
                    362: 
                    363:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    364: 
                    365:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    366:     print FILE ("$file\n");
                    367:     close (FILE);
                    368: 
                    369:     # Construct the special to put out.  To do this we need to get the
                    370:     # resulting filename after conversion.  The file will have the same name
                    371:     # but will be in the user's spool directory with converted images.
                    372: 
                    373:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    374:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    375: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    376:     $base =~ s/ /\_/g;
                    377: 
                    378: 
1.551     foxr      379:     my $output = &print_latex_header();
1.550     foxr      380:     $output    .= '\special{ps: _begin_job_ ('
                    381: 	.$base.'.pdf.eps'.
                    382: 	')run _end_job_}';
                    383: 
                    384:     return $output;
                    385: 
                    386: 
                    387: }
                    388: 
1.515     foxr      389: 
                    390: #
1.559     foxr      391: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      392: #                      if the ssi call returns an error we'll retry it up to
                    393: #                      the number of times requested by the caller.
                    394: #                      If we still have a proble, no text is appended to the
                    395: #                      output and we set some global variables.
1.523     raeburn   396: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      397: #                      All of this is supposed to deal with the issues described
                    398: #                      in LonCAPA BZ 5631 see:
                    399: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    400: #                      by informing the user that this happened.
                    401: #
                    402: # Parameters:
                    403: #   resource   - The resource to include.  This is passed directly, without
                    404: #                interpretation to lonnet::ssi.
                    405: #   form       - The form hash parameters that guide the interpretation of the resource
                    406: #                
                    407: #   retries    - Number of retries allowed before giving up completely.
                    408: # Returns:
                    409: #   On success, returns the rendered resource identified by the resource parameter.
                    410: # Side Effects:
                    411: #   The following global variables can be set:
1.523     raeburn   412: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      413: #                               It is up to the caller to initialize this to false
                    414: #                               if desired.
1.523     raeburn   415: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      416: #                               of the resource that could not be rendered by the ssi
                    417: #                               call.
                    418: #    ssi_last_error           - The error string fetched from the ssi response
                    419: #                               in the event of an error.
                    420: #
                    421: sub ssi_with_retries {
                    422:     my ($resource, $retries, %form) = @_;
                    423: 
1.559     foxr      424:     my $target = $form{'grade_target'};
                    425:     my $aom    = $form{'answer_output_mode'};
                    426: 
                    427: 
1.515     foxr      428: 
1.516     foxr      429:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    430:     if (!$response->is_success) {
1.515     foxr      431: 	$ssi_error               = 1;
                    432: 	$ssi_last_error_resource = $resource;
1.516     foxr      433: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   434:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      435: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      436:     }
1.516     foxr      437: 
                    438:     return $content;
                    439: 
1.515     foxr      440: }
                    441: 
1.524     www       442: sub get_student_view_with_retries {
                    443:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    444: 
                    445:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    446:     if (!$response->is_success) {
                    447:         $ssi_error               = 1;
1.526     www       448:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       449:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   450:         $content='\section*{!!! An error occurred !!!}';
1.526     www       451:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       452:     }
                    453:     return $content;
                    454: 
                    455: }
                    456: 
1.486     foxr      457: #
                    458: #   printf_style_subst  item format_string repl
                    459: #  
                    460: # Does printf style substitution for a format string that
                    461: # can have %[n]item in it.. wherever, %[n]item occurs,
                    462: # rep is substituted in format_string.  Note that
                    463: # [n] is an optional integer length.  If provided,
                    464: # repl is truncated to at most [n] characters prior to 
                    465: # substitution.
                    466: #
                    467: sub printf_style_subst {
                    468:     my ($item, $format_string, $repl) = @_;
1.490     foxr      469:     my $result = "";
                    470:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  471: 	my $fmt = $1;
                    472: 	my $size = $2;
1.486     foxr      473: 	my $subst = $repl;
                    474: 	if ($size ne "") {
                    475: 	    $subst = substr($subst, 0, $size);
1.490     foxr      476: 	    
                    477: 	    #  Here's a nice edge case.. supose the end of the
                    478: 	    #  substring is a \.  In that case may have  just
                    479: 	    #  chopped off a TeX escape... in that case, we append
                    480: 	    #   " " for the trailing character, and let the field 
                    481: 	    #  spill over a bit (sigh).
                    482: 	    #  We don't just chop off the last character in order to deal
                    483: 	    #  with one last pathology, and that would be if substr had
                    484: 	    #  trimmed us to e.g. \\\  
                    485: 
                    486: 
                    487: 	    if ($subst =~ /\\$/) {
                    488: 		$subst .= " ";
                    489: 	    }
1.486     foxr      490: 	}
1.490     foxr      491: 	my $item_pos = pos($format_string);
                    492: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    493:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      494:     }
1.490     foxr      495: 
                    496:     # Put the residual format string into the result:
                    497: 
                    498:     $result .= $format_string;
                    499: 
                    500:     return $result;
1.486     foxr      501: }
                    502: 
1.454     foxr      503: 
                    504: # Format a header according to a format.  
                    505: # 
                    506: 
                    507: # Substitutions:
                    508: #     %a    - Assignment name.
                    509: #     %c    - Course name.
                    510: #     %n    - Student name.
1.537     foxr      511: #     %s    - The section if it is supplied.
1.454     foxr      512: #
                    513: sub format_page_header {
1.583.2.1  raeburn   514:     my ($width, $format, $assignment, $course, $student) = @_;
1.537     foxr      515: 
1.565     foxr      516: 
                    517: 
1.486     foxr      518:     $width = &recalcto_mm($width); # Get width in mm.
1.583.2.1  raeburn   519:     my $chars_per_line = int($width/2);   # Character/textline.
1.565     foxr      520: 
1.454     foxr      521:     #  Default format?
                    522: 
                    523:     if ($format eq '') {
1.486     foxr      524: 	# For the default format, we may need to truncate
                    525: 	# elements..  To do this we need to get the page width.
                    526: 	# we assume that each character is about 2mm in width.
                    527: 	# (correct for the header text size??).  We ignore
                    528: 	# any formatting (e.g. boldfacing in this).
                    529: 	# 
                    530: 	# - Allow the student/course to be one line.
                    531: 	#   but only truncate the course.
                    532: 	# - Allow the assignment to be 2 lines (wrapped).
                    533: 	#
1.565     foxr      534: 
1.583.2.1  raeburn   535:         my $firstline = "$student $course";
                    536:         if (length($firstline) > $chars_per_line) {
                    537:             my $lastchar = $chars_per_line - length($student) - 1;
                    538:             if ($lastchar > 0) {
                    539:                 $course = substr($course, 0, $lastchar);
                    540:             } else {            # Nothing left of course:
                    541:                 $course = '';
                    542:             }
                    543:         }
                    544:         if (length($assignment) > $chars_per_line) {
                    545:             $assignment = substr($assignment, 0, $chars_per_line);
                    546:         }
1.486     foxr      547: 
1.583.2.1  raeburn   548:         $format =  "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}";
1.489     foxr      549: 
1.583.2.1  raeburn   550:     } else {
                    551:         # An open question is how to handle long user formatted page headers...
                    552:         # A possible future is to support e.g. %na so that the user can control
                    553:         # the truncation of the elements that can appear in the header.
                    554:         #
                    555:         $format =  &printf_style_subst("a", $format, $assignment);
                    556:         $format =  &printf_style_subst("c", $format, $course);
                    557:         $format =  &printf_style_subst("n", $format, $student);
                    558:     
                    559:         # If the user put %'s in the format string, they must be escaped
                    560:         # to \% else LaTeX will think they are comments and terminate
                    561:         # the line.. which is bad!!!
1.490     foxr      562: 
1.454     foxr      563:     }
1.537     foxr      564:     
1.454     foxr      565:     return $format;
                    566: }
1.397     albertel  567: 
1.385     foxr      568: #
                    569: #   Convert a numeric code to letters
                    570: #
                    571: sub num_to_letters {
                    572:     my ($num) = @_;
                    573:     my @nums= split('',$num);
                    574:     my @num_to_let=('A'..'Z');
                    575:     my $word;
                    576:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    577:     return $word;
                    578: }
                    579: #   Convert a letter code to numeric.
                    580: #
                    581: sub letters_to_num {
                    582:     my ($letters) = @_;
                    583:     my @letters = split('', uc($letters));
1.490     foxr      584:    my %substitution;
1.385     foxr      585:     my $digit = 0;
                    586:     foreach my $letter ('A'..'J') {
                    587: 	$substitution{$letter} = $digit;
                    588: 	$digit++;
                    589:     }
                    590:     #  The substitution is done as below to preserve leading
                    591:     #  zeroes which are needed to keep the code size exact
                    592:     #
                    593:     my $result ="";
                    594:     foreach my $letter (@letters) {
                    595: 	$result.=$substitution{$letter};
                    596:     }
                    597:     return $result;
                    598: }
                    599: 
1.383     foxr      600: #  Determine if a code is a valid numeric code.  Valid
                    601: #  numeric codes must be comprised entirely of digits and
1.384     albertel  602: #  have a correct number of digits.
1.383     foxr      603: #
                    604: #  Parameters:
                    605: #     value      - proposed code value.
1.384     albertel  606: #     num_digits - Number of digits required.
1.383     foxr      607: #
                    608: sub is_valid_numeric_code {
1.384     albertel  609:     my ($value, $num_digits) = @_;
1.383     foxr      610:     #   Remove leading/trailing whitespace;
1.387     foxr      611:     $value =~ s/^\s*//g;
                    612:     $value =~ s/\s*$//g;
1.383     foxr      613:     
                    614:     #  All digits?
1.387     foxr      615:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      616: 	return "Numeric code $value has invalid characters - must only be digits";
                    617:     }
1.384     albertel  618:     if (length($value) != $num_digits) {
                    619: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    620:     }
1.385     foxr      621:     return undef;
1.383     foxr      622: }
                    623: #   Determines if a code is a valid alhpa code.  Alpha codes
                    624: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  625: #   They also have a correct digit count.
1.383     foxr      626: # Parameters:
                    627: #     value          - Proposed code value.
1.384     albertel  628: #     num_letters    - correct number of letters.
1.383     foxr      629: # Note:
                    630: #    leading and trailing whitespace are ignored.
                    631: #
                    632: sub is_valid_alpha_code {
1.384     albertel  633:     my ($value, $num_letters) = @_;
1.383     foxr      634:     
                    635:      # strip leading and trailing spaces.
                    636: 
                    637:     $value =~ s/^\s*//g;
                    638:     $value =~ s/\s*$//g;
                    639: 
                    640:     #  All alphas in the right range?
1.384     albertel  641:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      642: 	return "Invalid letter code $value must only contain A-J";
                    643:     }
1.384     albertel  644:     if (length($value) != $num_letters) {
                    645: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    646:     }
1.385     foxr      647:     return undef;
1.383     foxr      648: }
                    649: 
1.382     foxr      650: #   Determine if a code entered by the user in a helper is valid.
                    651: #   valid depends on the code type and the type of code selected.
                    652: #   The type of code selected can either be numeric or 
                    653: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    654: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    655: #   We'll be nice and be case insensitive for alpha codes.
                    656: # Parameters:
                    657: #    code_value    - the value of the code the user typed in.
                    658: #    code_option   - The code type selected from the set in the scantron format
                    659: #                    table.
                    660: # Returns:
                    661: #    undef         - The code is valid.
                    662: #    other         - An error message indicating what's wrong.
                    663: #
                    664: sub is_code_valid {
                    665:     my ($code_value, $code_option) = @_;
1.383     foxr      666:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   667:     my @lines = &Apache::grades::get_scantronformat_file();
                    668:     foreach my $line (@lines) {
1.383     foxr      669: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    670: 	if($name eq $code_option) {
                    671: 	    $code_length = $length;
                    672: 	    if($type eq 'number') {
                    673: 		$code_type = 'number';
                    674: 	    }
                    675: 	}
                    676:     }
                    677:     my $valid;
                    678:     if ($code_type eq 'number') {
1.385     foxr      679: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      680:     } else {
1.385     foxr      681: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      682:     }
1.382     foxr      683: 
                    684: }
                    685: 
1.341     foxr      686: #   Compare two students by name.  The students are in the form
                    687: #   returned by the helper:
                    688: #      user:domain:section:last,   first:status
                    689: #   This is a helper function for the perl sort built-in  therefore:
                    690: # Implicit Inputs:
                    691: #    $a     - The first element to compare (global)
                    692: #    $b     - The second element to compare (global)
                    693: # Returns:
                    694: #   -1   - $a < $b
                    695: #    0   - $a == $b
                    696: #   +1   - $a > $b
                    697: #   Note that the initial comparison is done on the last names with the
                    698: #   first names only used to break the tie.
                    699: #
                    700: #
                    701: sub compare_names {
                    702:     #  First split the names up into the primary fields.
                    703: 
                    704:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    705:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    706: 
                    707:     # Now split the last name and first name of each n:
                    708:     #
                    709: 
                    710:     my ($l1,$f1) = split(/,/, $n1);
                    711:     my ($l2,$f2) = split(/,/, $n2);
                    712: 
                    713:     # We don't bother to remove the leading/trailing whitespace from the
                    714:     # firstname, unless the last names compare identical.
                    715: 
                    716:     if($l1 lt $l2) {
                    717: 	return -1;
                    718:     }
                    719:     if($l1 gt $l2) {
                    720: 	return  1;
                    721:     }
                    722: 
                    723:     # Break the tie on the first name, but there are leading (possibly trailing
                    724:     # whitespaces to get rid of first 
                    725:     #
                    726:     $f1 =~ s/^\s+//;		# Remove leading...
                    727:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    728:     
                    729:     $f2 =~ s/^\s+//;
                    730:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    731: 
                    732:     if($f1 lt $f2) {
                    733: 	return -1;
                    734:     }
                    735:     if($f1 gt $f2) {
                    736: 	return 1;
                    737:     }
                    738:     
                    739:     #  Must be the same name.
                    740: 
                    741:     return 0;
                    742: }
                    743: 
1.71      sakharuk  744: sub latex_header_footer_remove {
                    745:     my $text = shift;
                    746:     $text =~ s/\\end{document}//;
                    747:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    748:     return $text;
                    749: }
1.423     foxr      750: #
                    751: #  If necessary, encapsulate text inside 
                    752: #  a minipage env.
                    753: #  necessity is determined by the problem_split param.
                    754: #
                    755: sub encapsulate_minipage {
                    756:     my ($text) = @_;
1.427     albertel  757:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      758: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    759:     }
                    760:     return $text;
                    761: }
1.429     foxr      762: #
                    763: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    764: #  variables interact, this sub looks at these two parameters
                    765: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    766: #     all     - if SPLIT_PDFS eq 'all'.
                    767: #     1       - if SPLIT_PDFS eq 'oneper'
                    768: #     section - if SPLIT_PDFS eq 'sections'
                    769: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    770: #
                    771: sub adjust_number_to_print {
                    772:     my $helper = shift;
1.71      sakharuk  773: 
1.429     foxr      774:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    775:     
                    776:     if ($split_pdf eq 'all') {
                    777: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    778:     } elsif ($split_pdf eq 'oneper') {
                    779: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    780:     } elsif ($split_pdf eq 'sections') {
                    781: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    782:     } elsif ($split_pdf eq 'usenumber') {
                    783: 	#  Unmodified.
                    784:     } else {
                    785: 	# Error!!!!
1.536     foxr      786: 	
                    787: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      788: 
                    789:     }
                    790: }
1.71      sakharuk  791: 
1.531     foxr      792: 
1.37      sakharuk  793: sub character_chart {
1.531     foxr      794:     my $result = shift;
                    795:     return  &Apache::entities::replace_entities($result);
                    796: }
                    797: 
                    798: sub old_character_chart {
1.37      sakharuk  799:     my $result = shift;	
1.116     sakharuk  800:     $result =~ s/&\#0?0?(7|9);//g;
                    801:     $result =~ s/&\#0?(10|13);//g;
                    802:     $result =~ s/&\#0?32;/ /g;
                    803:     $result =~ s/&\#0?33;/!/g;
                    804:     $result =~ s/&(\#0?34|quot);/\"/g;
                    805:     $result =~ s/&\#0?35;/\\\#/g;
                    806:     $result =~ s/&\#0?36;/\\\$/g;
                    807:     $result =~ s/&\#0?37;/\\%/g; 
                    808:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    809:     $result =~ s/&\#(0?39|146);/\'/g;
                    810:     $result =~ s/&\#0?40;/(/g;
                    811:     $result =~ s/&\#0?41;/)/g;
                    812:     $result =~ s/&\#0?42;/\*/g;
                    813:     $result =~ s/&\#0?43;/\+/g;
                    814:     $result =~ s/&\#(0?44|130);/,/g;
                    815:     $result =~ s/&\#0?45;/-/g;
                    816:     $result =~ s/&\#0?46;/\./g;
                    817:     $result =~ s/&\#0?47;/\//g;
                    818:     $result =~ s/&\#0?48;/0/g;
                    819:     $result =~ s/&\#0?49;/1/g;
                    820:     $result =~ s/&\#0?50;/2/g;
                    821:     $result =~ s/&\#0?51;/3/g;
                    822:     $result =~ s/&\#0?52;/4/g;
                    823:     $result =~ s/&\#0?53;/5/g;
                    824:     $result =~ s/&\#0?54;/6/g;
                    825:     $result =~ s/&\#0?55;/7/g;
                    826:     $result =~ s/&\#0?56;/8/g;
                    827:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  828:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  829:     $result =~ s/&\#0?59;/;/g;
                    830:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  831:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    832:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  833:     $result =~ s/&\#0?63;/\?/g;
                    834:     $result =~ s/&\#0?65;/A/g;
                    835:     $result =~ s/&\#0?66;/B/g;
                    836:     $result =~ s/&\#0?67;/C/g;
                    837:     $result =~ s/&\#0?68;/D/g;
                    838:     $result =~ s/&\#0?69;/E/g;
                    839:     $result =~ s/&\#0?70;/F/g;
                    840:     $result =~ s/&\#0?71;/G/g;
                    841:     $result =~ s/&\#0?72;/H/g;
                    842:     $result =~ s/&\#0?73;/I/g;
                    843:     $result =~ s/&\#0?74;/J/g;
                    844:     $result =~ s/&\#0?75;/K/g;
                    845:     $result =~ s/&\#0?76;/L/g;
                    846:     $result =~ s/&\#0?77;/M/g;
                    847:     $result =~ s/&\#0?78;/N/g;
                    848:     $result =~ s/&\#0?79;/O/g;
                    849:     $result =~ s/&\#0?80;/P/g;
                    850:     $result =~ s/&\#0?81;/Q/g;
                    851:     $result =~ s/&\#0?82;/R/g;
                    852:     $result =~ s/&\#0?83;/S/g;
                    853:     $result =~ s/&\#0?84;/T/g;
                    854:     $result =~ s/&\#0?85;/U/g;
                    855:     $result =~ s/&\#0?86;/V/g;
                    856:     $result =~ s/&\#0?87;/W/g;
                    857:     $result =~ s/&\#0?88;/X/g;
                    858:     $result =~ s/&\#0?89;/Y/g;
                    859:     $result =~ s/&\#0?90;/Z/g;
                    860:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  861:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  862:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  863:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  864:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    865:     $result =~ s/&\#(0?96|145);/\`/g;
                    866:     $result =~ s/&\#0?97;/a/g;
                    867:     $result =~ s/&\#0?98;/b/g;
                    868:     $result =~ s/&\#0?99;/c/g;
                    869:     $result =~ s/&\#100;/d/g;
                    870:     $result =~ s/&\#101;/e/g;
                    871:     $result =~ s/&\#102;/f/g;
                    872:     $result =~ s/&\#103;/g/g;
                    873:     $result =~ s/&\#104;/h/g;
                    874:     $result =~ s/&\#105;/i/g;
                    875:     $result =~ s/&\#106;/j/g;
                    876:     $result =~ s/&\#107;/k/g;
                    877:     $result =~ s/&\#108;/l/g;
                    878:     $result =~ s/&\#109;/m/g;
                    879:     $result =~ s/&\#110;/n/g;
                    880:     $result =~ s/&\#111;/o/g;
                    881:     $result =~ s/&\#112;/p/g;
                    882:     $result =~ s/&\#113;/q/g;
                    883:     $result =~ s/&\#114;/r/g;
                    884:     $result =~ s/&\#115;/s/g;
                    885:     $result =~ s/&\#116;/t/g;
                    886:     $result =~ s/&\#117;/u/g;
                    887:     $result =~ s/&\#118;/v/g;
                    888:     $result =~ s/&\#119;/w/g;
                    889:     $result =~ s/&\#120;/x/g;
                    890:     $result =~ s/&\#121;/y/g;
                    891:     $result =~ s/&\#122;/z/g;
                    892:     $result =~ s/&\#123;/\\{/g;
                    893:     $result =~ s/&\#124;/\|/g;
                    894:     $result =~ s/&\#125;/\\}/g;
                    895:     $result =~ s/&\#126;/\~/g;
                    896:     $result =~ s/&\#131;/\\textflorin /g;
                    897:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  898:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    899:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    900:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  901:     $result =~ s/&\#137;/\\textperthousand /g;
                    902:     $result =~ s/&\#140;/{\\OE}/g;
                    903:     $result =~ s/&\#147;/\`\`/g;
                    904:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  905:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  906:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  907:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  908:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  909:     $result =~ s/&\#153;/\\texttrademark /g;
                    910:     $result =~ s/&\#156;/\\oe/g;
                    911:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  912:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  913:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    914:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    915:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    916:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    917:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    918:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    919:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      920:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  921:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    922:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  923:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  924:     $result =~ s/&(\#173|shy);/ - /g;
                    925:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  926:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    927:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    928:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    929:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    930:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      931:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  932:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  933:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  934:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  935:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  936:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  937:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    938:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    939:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    940:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    941:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    942:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    943:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    944:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    945:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    946:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    947:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    948:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    949:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    950:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    951:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    952:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    953:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    954:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    955:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    956:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    957:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    958:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    959:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    960:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    961:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    962:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    963:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  964:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  965:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    966:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    967:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    968:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    969:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    970:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  971:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  972:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    973:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    974:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    975:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    976:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    977:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    978:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    979:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    980:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    981:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    982:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    983:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    984:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    985:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    986:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    987:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  988:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  989:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    990:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    991:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    992:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                    993:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                    994:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk  995:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                    997:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                    998:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                    999:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1000:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1001:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1002:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1003:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1004:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1005: #Greek Alphabet
1.281     sakharuk 1006:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1007:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1008:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1009:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1010:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1011:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1012:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1013:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1014:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1015:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1016:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1017:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1018:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1019:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1020:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1021:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1022:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1023:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1024:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1025:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1026:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1027:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1028:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1029:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1030:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1031:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1032:     $result =~ s/&(Alpha|\#913);/A/g;
                   1033:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1034:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1035:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1036:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1037:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1038:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1039:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1040:     $result =~ s/&(Iota|\#921);/I/g;
                   1041:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1042:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Mu|\#924);/M/g;
                   1044:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1045:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1046:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1047:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1048:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1049:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1051:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1052:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1054:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1055:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1056: #Arrows (extended HTML 4.01)
1.281     sakharuk 1057:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1058:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1059:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1060:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1061:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1062:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1063:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1064:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1065:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1066:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1067: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1068:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1069:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1070:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1071:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1072:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1073:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1074:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1075:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1076:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1077:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1078:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1079:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1080:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1081:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1082:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1083:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1084:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1085:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1086:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1087:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1088:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1089:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1090:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1091:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1092:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1093:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1094:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1095:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1096:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1097:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1098:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1099:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1100:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1101:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1102:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1103:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1104:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1105:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1106: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1107:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1108: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1109:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1110:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1111:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1112:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1113: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1114: 
1.495     foxr     1115:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1116:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1117:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1118:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1119:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1120:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1121:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1122:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1123:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1124:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1125:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1126:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1127:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1128: 
                   1129:     # Left/right quotations:
                   1130: 
                   1131:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1132:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1133: 
                   1134: 
1.559     foxr     1135: 
1.37      sakharuk 1136:     return $result;
                   1137: }
1.41      sakharuk 1138: 
                   1139: 
1.327     albertel 1140:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1141: my %page_formats=
                   1142:     ('letter' => {
                   1143: 	 'book' => {
1.493     foxr     1144: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1145: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1146: 	 },
                   1147: 	 'album' => {
1.496     foxr     1148: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1149: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1150: 	 },
                   1151:      },
                   1152:      'legal' => {
                   1153: 	 'book' => {
                   1154: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1155: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1156: 	 },
                   1157: 	 'album' => {
1.376     albertel 1158: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1159:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1160:           },
                   1161:      },
                   1162:      'tabloid' => {
                   1163: 	 'book' => {
                   1164: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1165: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1166: 	 },
                   1167: 	 'album' => {
1.376     albertel 1168: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1169: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1170:           },
                   1171:      },
                   1172:      'executive' => {
                   1173: 	 'book' => {
                   1174: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1175: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1176: 	 },
                   1177: 	 'album' => {
                   1178: 	     '1' => [],
                   1179: 	     '2' => []
                   1180:           },
                   1181:      },
                   1182:      'a2' => {
                   1183: 	 'book' => {
                   1184: 	     '1' => [],
                   1185: 	     '2' => []
                   1186: 	 },
                   1187: 	 'album' => {
                   1188: 	     '1' => [],
                   1189: 	     '2' => []
                   1190:           },
                   1191:      },
                   1192:      'a3' => {
                   1193: 	 'book' => {
                   1194: 	     '1' => [],
                   1195: 	     '2' => []
                   1196: 	 },
                   1197: 	 'album' => {
                   1198: 	     '1' => [],
                   1199: 	     '2' => []
                   1200:           },
                   1201:      },
                   1202:      'a4' => {
                   1203: 	 'book' => {
1.493     foxr     1204: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1205: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1206: 	 },
                   1207: 	 'album' => {
1.496     foxr     1208: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1209: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1210: 	 },
                   1211:      },
                   1212:      'a5' => {
                   1213: 	 'book' => {
                   1214: 	     '1' => [],
                   1215: 	     '2' => []
                   1216: 	 },
                   1217: 	 'album' => {
                   1218: 	     '1' => [],
                   1219: 	     '2' => []
                   1220:           },
                   1221:      },
                   1222:      'a6' => {
                   1223: 	 'book' => {
                   1224: 	     '1' => [],
                   1225: 	     '2' => []
                   1226: 	 },
                   1227: 	 'album' => {
                   1228: 	     '1' => [],
                   1229: 	     '2' => []
                   1230:           },
                   1231:      },
                   1232:      );
                   1233: 
1.177     sakharuk 1234: sub page_format {
1.140     sakharuk 1235: #
1.326     sakharuk 1236: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1237: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1238: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1239: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1240: #                        "A6 [105x148 mm]"
1.140     sakharuk 1241: # 
                   1242:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1243:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1244: }
1.76      sakharuk 1245: 
                   1246: 
1.126     albertel 1247: sub get_name {
                   1248:     my ($uname,$udom)=@_;
1.373     albertel 1249:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1250:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1251:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1252:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1253:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1254:     return $plainname;
1.126     albertel 1255: }
                   1256: 
1.213     albertel 1257: sub get_course {
                   1258:     my $courseidinfo;
1.373     albertel 1259:     if (defined($env{'request.course.id'})) {
1.439     www      1260: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.213     albertel 1261:     }
                   1262:     return $courseidinfo;
                   1263: }
1.177     sakharuk 1264: 
1.76      sakharuk 1265: sub page_format_transformation {
1.312     sakharuk 1266:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1267:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1268: 
1.312     sakharuk 1269:     if ($selectionmade eq '4') {
1.502     foxr     1270: 	if ($choice eq 'all_problems') {
1.561     bisitz   1271:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1272: 	} else {
1.561     bisitz   1273:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1274: 	}
1.312     sakharuk 1275:     } else {
                   1276: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1277:     }
1.261     sakharuk 1278:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1279: 
                   1280: 
1.126     albertel 1281:     my $name = &get_name();
1.213     albertel 1282:     my $courseidinfo = &get_course();
1.583.2.1  raeburn  1283:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.455     albertel 1284:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1285:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1286: 					   $courseidinfo, $name);
1.319     sakharuk 1287:     my $topmargintoinsert = '';
                   1288:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1289:     my $fancypagestatement='';
                   1290:     if ($numberofcolumns eq '2') {
1.455     albertel 1291: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1292:     } else {
1.455     albertel 1293: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1294:     }
1.140     sakharuk 1295:     if ($layout eq 'album') {
1.550     foxr     1296: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1297:     } elsif ($layout eq 'book') {
                   1298: 	if ($choice ne 'All class print') { 
1.550     foxr     1299: 	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
1.140     sakharuk 1300: 	} else {
1.550     foxr     1301: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1302: 	}
1.326     sakharuk 1303: 	if ($papersize eq 'a4') {
1.575     foxr     1304: 	    my $papersize_text;
                   1305: 	    if ($perm{'pav'}) {
                   1306: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1307: 	    } else {
                   1308: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1309: 	    }
                   1310: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1311: 	}
                   1312:     }
1.214     sakharuk 1313:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1314:     if ($indexlist eq 'yes') {
                   1315: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1316: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1317:     }
1.140     sakharuk 1318:     return $text;
                   1319: }
                   1320: 
                   1321: 
1.33      sakharuk 1322: sub page_cleanup {
                   1323:     my $result = shift;	
1.65      sakharuk 1324:  
                   1325:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1326:     my $number_of_columns = $1;
1.33      sakharuk 1327:     my $insert = '{';
1.34      sakharuk 1328:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1329:     $insert .= '}';
1.65      sakharuk 1330:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1331:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1332:     return $result,$number_of_columns;
1.7       sakharuk 1333: }
1.5       sakharuk 1334: 
1.3       sakharuk 1335: 
1.60      sakharuk 1336: sub details_for_menu {
1.335     albertel 1337:     my ($helper)=@_;
1.373     albertel 1338:     my $postdata=$env{'form.postdata'};
1.335     albertel 1339:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1340:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1341:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1342:     return if ( $symbolic eq '');
                   1343: 
1.233     www      1344:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1345:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1346:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1347:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1348: 	$map =~ m|([^/]+)$|;
                   1349: 	$name_of_sequence = $1;
1.63      albertel 1350:     }
1.373     albertel 1351:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1352:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1353: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1354: 	$name_of_map = $1;
                   1355:     }
1.335     albertel 1356:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1357: }
                   1358: 
1.476     albertel 1359: sub copyright_line {
                   1360:     return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } ';
                   1361: }
                   1362: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1363: 
                   1364: sub latex_corrections {
1.408     albertel 1365:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1366: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1367:     my $copyright = &copyright_line();
1.408     albertel 1368:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1369: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1370:     } else {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1372:     }
1.476     albertel 1373:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1374:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1375:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1376: #-- LaTeX corrections     
                   1377:     my $first_comment = index($result,'<!--',0);
                   1378:     while ($first_comment != -1) {
                   1379: 	my $end_comment = index($result,'-->',$first_comment);
                   1380: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1381: 	$first_comment = index($result,'<!--',$first_comment);
                   1382:     }
                   1383:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1384:     #removes more than one empty space
                   1385:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1386:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1387:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1388:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1389:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1390:     #conversion of html characters to LaTeX equivalents
                   1391:     if ($result =~ m/&(\w+|#\d+);/) {
                   1392: 	$result = &character_chart($result);
                   1393:     }
                   1394:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1395:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1396:     return $result;
1.60      sakharuk 1397: }
                   1398: 
1.3       sakharuk 1399: 
1.214     sakharuk 1400: sub index_table {
                   1401:     my $currentURL = shift;
                   1402:     my $insex_string='';
                   1403:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1404:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1405:     return $insex_string;
                   1406: }
                   1407: 
                   1408: 
1.215     sakharuk 1409: sub IndexCreation {
                   1410:     my ($texversion,$currentURL)=@_;
                   1411:     my @key_words=split(/,/,&index_table($currentURL));
                   1412:     my $chunk='';
                   1413:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1414:     if ($st>0) {
                   1415: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1416: 	$chunk=substr($texversion,0,$st+1);
                   1417: 	substr($texversion,0,$st+1)=' ';
                   1418:     }
                   1419:     foreach my $key_word (@key_words) {
                   1420: 	if ($key_word=~/\S+/) {
                   1421: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1422: 	}
                   1423:     }			
                   1424:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1425:     return $texversion;
                   1426: }
                   1427: 
1.242     sakharuk 1428: sub print_latex_header {
                   1429:     my $mode=shift;
1.550     foxr     1430: 
                   1431:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1432: }
                   1433: 
                   1434: sub path_to_problem {
1.328     albertel 1435:     my ($urlp,$colwidth)=@_;
1.404     albertel 1436:     $urlp=&Apache::lonnet::clutter($urlp);
                   1437: 
1.242     sakharuk 1438:     my $newurlp = '';
1.328     albertel 1439:     $colwidth=~s/\s*mm\s*$//;
                   1440: #characters average about 2 mm in width
1.360     albertel 1441:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1442: 	my @elements = split('/',$urlp);
1.328     albertel 1443: 	my $curlength=0;
                   1444: 	foreach my $element (@elements) {
1.404     albertel 1445: 	    if ($element eq '') { next; }
1.328     albertel 1446: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1447: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1448: 		$curlength=length($element)*2;
1.328     albertel 1449: 	    } else {
                   1450: 		$curlength+=length($element)*2;
1.242     sakharuk 1451: 	    }
1.328     albertel 1452: 	    $newurlp.='/'.$element;
1.242     sakharuk 1453: 	}
1.253     sakharuk 1454:     } else {
                   1455: 	$newurlp=$urlp;
1.242     sakharuk 1456:     }
                   1457:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1458: }
1.215     sakharuk 1459: 
1.275     sakharuk 1460: sub recalcto_mm {
                   1461:     my $textwidth=shift;
                   1462:     my $LaTeXwidth;
1.339     albertel 1463:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1464: 	$LaTeXwidth = $1*10;
1.339     albertel 1465:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1*25.4;
                   1469:     }
                   1470:     $LaTeXwidth.=' mm';
                   1471:     return $LaTeXwidth;
                   1472: }
                   1473: 
1.285     albertel 1474: sub get_textwidth {
                   1475:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1476:     my $textwidth=$LaTeXwidth;
1.285     albertel 1477:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1478: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1479: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1480: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1481:     }
1.286     albertel 1482:     return $textwidth;
1.285     albertel 1483: }
                   1484: 
1.296     sakharuk 1485: 
                   1486: sub unsupported {
1.414     albertel 1487:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1488:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1489:     my $result.= &print_latex_header($mode);
1.414     albertel 1490:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1491: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1492: 	my $title=&Apache::lonnet::gettitle($symb);
                   1493: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1494: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1495:     } else {
                   1496: 	$result.=$currentURL;
                   1497:     }
1.419     albertel 1498:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1499:     return $result;
                   1500: }
                   1501: 
1.559     foxr     1502: #
                   1503: #  Map from helper layout style to the book/album:
                   1504: #
                   1505: sub map_laystyle {
                   1506:     my ($laystyle) = @_;
                   1507:     if ($laystyle eq 'L') {
                   1508: 	$laystyle='album';
                   1509:     } else {
                   1510: 	$laystyle='book';
                   1511:     }
                   1512:     return $laystyle;
                   1513: }
                   1514: 
                   1515: sub print_page_in_course {
                   1516:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1517:     my %parmhash       = %$rparmhash;
                   1518:     my @page_resources = @$resources;
                   1519:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1520:     my $symb = $helper->{'VARS'}->{'symb'};
                   1521: 
                   1522: 
                   1523:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1524: 
                   1525: 
                   1526:     my @temporary_array=split /\|/,$format_from_helper;
                   1527:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1528:     $laystyle = &map_laystyle($laystyle);
                   1529:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1530: 								      $numberofcolumns);
                   1531:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1532: 
                   1533: 
                   1534:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1535:     my $result   =    &print_latex_header($mode);
1.559     foxr     1536:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1537: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1538: 	my $title=&Apache::lonnet::gettitle($symb);
                   1539: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1540:     } else {
1.582     raeburn  1541:         my $esc_currentURL= $currentURL;
                   1542:         $esc_currentURL =~ s/_/\\_/g;
                   1543: 	$result.=$esc_currentURL;
1.559     foxr     1544:     }
                   1545:     $result .= '\\\\';
                   1546: 
                   1547:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1548: 	&Apache::lonnet::appenv({'construct.style' =>
                   1549: 				$helper->{'VARS'}->{'style_file'}});
                   1550:     } elsif ($env{'construct.style'}) {
                   1551: 	&Apache::lonnet::delenv('construct.style');
                   1552:     }
                   1553: 
                   1554:     # First is the overall page description.  This is then followed by the 
                   1555:     # components of the page. Each of which must be printed independently.
1.564     foxr     1556:     my $the_page = shift(@page_resources); 
1.559     foxr     1557: 
                   1558: 
                   1559:     foreach my $resource (@page_resources) {
                   1560: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1561: 	$result           .= $resource->title() . '\\\\';
                   1562: 
                   1563: 	# Recurse if a .page:
                   1564: 
                   1565: 	if ($resource_src =~ /.page$/i) {
                   1566: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1567: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1568: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1569: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
1.582     raeburn  1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {		
1.559     foxr     1574: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
                   1575: 	    my %form;
                   1576: 	    my %moreenv;
                   1577: 
                   1578: 	    &Apache::lonxml::remember_problem_counter();
                   1579: 	    $moreenv{'request.filename'}=$urlp;
                   1580: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1581: 
                   1582: 	    $form{'grade_target'}  = 'tex';
                   1583: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.583.2.2  raeburn  1584:             $form{'pdfFormFields'} = 'no';
1.559     foxr     1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
1.583.2.3! raeburn  1688:     my ($prtspool) = @_;
        !          1689:     my $output;
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
1.583.2.3! raeburn  1722:         $output ='<hr />';
1.544     bisitz   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.583.2.3! raeburn  1725: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
1.583.2.3! raeburn  1733:                   .&Apache::loncommon::end_data_table();
1.400     albertel 1734:     }
                   1735:     if ($pdf_result) {
1.583.2.3! raeburn  1736: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   1737:                   .&Apache::loncommon::start_data_table()
                   1738:                   .&Apache::loncommon::start_data_table_header_row()
                   1739:                   .'<th>'.&mt('Download').'</th>'
                   1740:                   .'<th>'.&mt('Creation Date').'</th>'
                   1741:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1742:                   .&Apache::loncommon::end_data_table_header_row()
                   1743:                   .$pdf_result
1.583.2.3! raeburn  1744:                   .&Apache::loncommon::end_data_table();
1.396     albertel 1745:     }
1.583.2.3! raeburn  1746:     return $output;
1.395     www      1747: }
                   1748: 
                   1749: #
1.363     foxr     1750: #   Retrieve the hash of page breaks.
                   1751: #
                   1752: #  Inputs:
                   1753: #    helper   - reference to helper object.
                   1754: #  Outputs
                   1755: #    A reference to a page break hash.
                   1756: #
                   1757: #
1.562     foxr     1758: # use Data::Dumper;
1.569     foxr     1759: # sub dump_helper_vars {
1.418     foxr     1760: #    my ($helper) = @_;
                   1761: #    my $helpervars = Dumper($helper->{'VARS'});
                   1762: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1763: #}
1.363     foxr     1764: 
1.481     albertel 1765: sub get_page_breaks  {
                   1766:     my ($helper) = @_;
                   1767:     my %page_breaks;
                   1768: 
                   1769:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1770: 	$page_breaks{$break} = 1;
                   1771:     }
                   1772:     return %page_breaks;
                   1773: }
1.569     foxr     1774: # 
                   1775: #   Returns text to insert for any extra vskip prior to the resource.
                   1776: #   Parameters:
                   1777: #     helper   - Reference to the helper object driving the printout.
                   1778: #     resource - Identifies the resource about to be printed.
                   1779: #
                   1780: #   This is done as follows:
                   1781: #    POSSIBLE_RESOURCES has the list of possible resources.
                   1782: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     1783: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   1784: #                       mm. All others are 'in'.
1.569     foxr     1785: #    
                   1786: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   1787: #    of the EXTRASPACE value.
                   1788: #
                   1789: #   In order to speed this up for lengthy printouts, the first time,
                   1790: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   1791: #   EXTRASPACE is turned into an array.
                   1792: #
                   1793: 
                   1794: 
                   1795: my %possible_resources;
1.570     foxr     1796: my %extraspace_mm;
1.569     foxr     1797: my @extraspace;
                   1798: my $skips_loaded       = 0;
                   1799: 
                   1800: #  Function to load the skips hash and array
                   1801: 
                   1802: sub load_skips {
                   1803: 
                   1804:     my ($helper)  = @_;
                   1805: 
                   1806:     #  If this is the first time, unrap the resources and extra spaces:
                   1807: 
                   1808:     if (!$skips_loaded) {
                   1809: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   1810: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   1811: 	my $i = 0;
                   1812: 	foreach my $resource (@resource_list) {
                   1813: 	    $possible_resources{$resource} = $i;
                   1814: 	    $i++;
                   1815: 	}
1.570     foxr     1816: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   1817: 	    $extraspace_mm{$mm_resource} = 1;
                   1818: 	}
1.569     foxr     1819: 	$skips_loaded = 1;
                   1820:     }
                   1821: }
                   1822: 
                   1823: sub get_extra_vspaces {
                   1824:     my ($helper, $resource) = @_;
                   1825: 
                   1826:     &load_skips($helper);
                   1827: 
                   1828:     #  Lookup the resource in the possible resources hash.. that is the index
                   1829:     # into the extraspace array that gives us either an empty string or
                   1830:     # the number of mm to skip:
                   1831: 
                   1832:     my $index = $possible_resources{$resource};
                   1833:     my $skip  = $extraspace[$index];
                   1834: 
                   1835:     my $result = '';
                   1836:     if ($skip ne '') {
1.570     foxr     1837: 	my $units = 'in';
                   1838: 	if (defined($extraspace_mm{$resource})) {
                   1839: 	    $units = 'mm';
                   1840: 	}
                   1841: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     1842:     }
1.570     foxr     1843: 
                   1844: 	
1.569     foxr     1845:     return $result;
                   1846: 
                   1847: 
                   1848: }
                   1849: 
                   1850: #
                   1851: #  The resource chooser part of the helper needs more than just
                   1852: #  the value of the extraspaces var to recover the value into a text
                   1853: #  field option.  This sub produces the required format for the saved var:
                   1854: #  specifically 
                   1855: #    ||| separated fields of the form resourcename=value
                   1856: #
                   1857: #  Parameters:
                   1858: #    $helper     - Refers to the helper we are configuring
                   1859: #  Implicit input:
                   1860: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   1861: #                                          value.
1.570     foxr     1862: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     1863: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   1864: #                                          separated of course.
                   1865: #  Implicit outputs:
1.570     foxr     1866: #     $env{'form.extraspace'}
                   1867: #     $env{'form.extraspace_units'}
1.569     foxr     1868: #
                   1869: sub set_form_extraspace {
                   1870:     my ($helper) = @_;
                   1871: 
                   1872:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   1873:     # may not be the fastest, but this is once per print request so it's not so
                   1874:     # speed critical:
                   1875: 
                   1876:     &load_skips($helper);
                   1877: 
                   1878:     my $result = '';
                   1879: 
                   1880:     foreach my $resource (keys(%possible_resources)) {
                   1881: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   1882: 	$result  .= $resource .'=' . $vskip . '|||';
                   1883:     }
                   1884: 
                   1885:     $env{'form.extraspace'}  = $result;
1.570     foxr     1886:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     1887:     return $result;
                   1888:     
                   1889: }
1.363     foxr     1890: 
1.459     foxr     1891: #  Output a sequence (recursively if neeed)
                   1892: #  from construction space.
                   1893: # Parameters:
                   1894: #    url     = URL of the sequence to print.
                   1895: #    helper  - Reference to the helper hash.
                   1896: #    form    - Copy of the format hash.
                   1897: #    LaTeXWidth
                   1898: # Returns:
                   1899: #   Text to add to the printout.
                   1900: #   NOTE if the first element of the outermost sequence
                   1901: #   is itself a sequence, the outermost caller may need to
                   1902: #   prefix the latex with the page headers stuff.
                   1903: #
                   1904: sub print_construction_sequence {
                   1905:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1906:     my $result;
                   1907:     my $rndseed=time;
                   1908:     if ($helper->{'VARS'}->{'curseed'}) {
                   1909: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1910:     }
1.491     albertel 1911:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1912:     # 
                   1913:     #  These make this all support recursing for subsequences.
                   1914:     #
1.491     albertel 1915:     my @order    = @LONCAPA::map::order;
                   1916:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1917:     for (my $member=0;$member<=$#order;$member++) {
                   1918: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1919: 	my $urlp=$2;
                   1920: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1921: 	    my $texversion='';
                   1922: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1923: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1924: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1925: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1926: 		$form{'rndseed'}=$rndseed;
                   1927: 		$resources_printed .=$urlp.':';
1.515     foxr     1928: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1929: 	    }
                   1930: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1931: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1932: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1933: 		#  Don't permanently modify %$form...
                   1934: 		my %answerform = %form;
                   1935: 		$answerform{'grade_target'}='answer';
                   1936: 		$answerform{'answer_output_mode'}='tex';
                   1937: 		$answerform{'rndseed'}=$rndseed;
                   1938: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1939: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1940: 		$resources_printed .= $urlp.':';
1.515     foxr     1941: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1942: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1943: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1944: 		} else {
                   1945: 		    # If necessary, encapsulate answer in minipage:
                   1946: 		    
                   1947: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1948: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1949: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1950: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1951: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1952: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1953: 		    $body = &encapsulate_minipage($body);
                   1954: 		    $texversion.=$body;
                   1955: 		}
                   1956: 	    }
                   1957: 	    $texversion = &latex_header_footer_remove($texversion);
                   1958: 
                   1959: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1960: 		$texversion=&IndexCreation($texversion,$urlp);
                   1961: 	    }
                   1962: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1963: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1964: 	    }
                   1965: 	    $result.=$texversion;
                   1966: 
                   1967: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1968:  
1.459     foxr     1969: 	    # header:
                   1970: 
                   1971: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1972: 
                   1973: 	    # IF sequence, recurse:
                   1974: 	    
                   1975: 	    if ($urlp =~ /\.sequence$/) {
                   1976: 		my $sequence_url = $urlp;
                   1977: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1978: 		my $user         = $env{'user.name'};
                   1979: 
                   1980: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1981: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1982: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1983: 		$result .= &print_construction_sequence($sequence_url, 
                   1984: 							$helper, %form, 
                   1985: 							$LaTeXwidth);
                   1986: 	    }
1.550     foxr     1987: 	}
                   1988: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1989: 	    my $texversion;
                   1990: 	    if ($member != 0) {
                   1991: 		$texversion .= '\cleardoublepage';
                   1992: 	    }
                   1993: 
                   1994: 	    $texversion .= &include_pdf($urlp);
                   1995: 	    $texversion = &latex_header_footer_remove($texversion);
                   1996: 	    if ($member != $#order) {
                   1997: 		$texversion .= '\\ \cleardoublepage';
                   1998: 	    }
1.551     foxr     1999: 	    
                   2000: 	    $result .= $texversion;
1.550     foxr     2001: 	}
1.459     foxr     2002:     }
                   2003:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2004:     return $result;
                   2005: }
                   2006: 
1.177     sakharuk 2007: sub output_data {
1.184     sakharuk 2008:     my ($r,$helper,$rparmhash) = @_;
                   2009:     my %parmhash = %$rparmhash;
1.515     foxr     2010:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2011:     $resources_printed = '';
1.556     foxr     2012:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     2013:     my $do_postprocessing = 1;
1.433     albertel 2014:     my $js = <<ENDPART;
                   2015: <script type="text/javascript">
1.264     sakharuk 2016:     var editbrowser;
                   2017:     function openbrowser(formname,elementname,only,omit) {
                   2018:         var url = '/res/?';
                   2019:         if (editbrowser == null) {
                   2020:             url += 'launch=1&';
                   2021:         }
                   2022:         url += 'catalogmode=interactive&';
                   2023:         url += 'mode=parmset&';
                   2024:         url += 'form=' + formname + '&';
                   2025:         if (only != null) {
                   2026:             url += 'only=' + only + '&';
                   2027:         } 
                   2028:         if (omit != null) {
                   2029:             url += 'omit=' + omit + '&';
                   2030:         }
                   2031:         url += 'element=' + elementname + '';
                   2032:         var title = 'Browser';
                   2033:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2034:         options += ',width=700,height=600';
                   2035:         editbrowser = open(url,title,options,'1');
                   2036:         editbrowser.focus();
                   2037:     }
                   2038: </script>
1.140     sakharuk 2039: ENDPART
                   2040: 
1.512     foxr     2041: 
1.558     bisitz   2042:     # Breadcrumbs
                   2043:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2044:     my $brcrum = [{'href' => '',
                   2045:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2046:                   {'href' => '',
                   2047:                    'text' => 'Preparing Printout'}];
                   2048: 
                   2049:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2050:                                                      $js,
                   2051:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2052:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2053: 
1.433     albertel 2054:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2055: 
1.363     foxr     2056:     # fetch the pagebreaks and store them in the course environment
                   2057:     # The page breaks will be pulled into the hash %page_breaks which is
                   2058:     # indexed by symb and contains 1's for each break.
                   2059: 
1.373     albertel 2060:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2061:     &set_form_extraspace($helper);
1.373     albertel 2062:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     2063:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2064: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2065: 					       'extraspace'    => 'scalar',
1.570     foxr     2066: 					       'extraspace_units' => 'scalar',
1.366     foxr     2067: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2068:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2069: 
1.140     sakharuk 2070:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2071:     my ($result,$selectionmade) = ('','');
                   2072:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2073:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2074:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2075: 
                   2076:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2077:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2078:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2079:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2080:     my @print_array=();
1.274     sakharuk 2081:     my @student_names=();
1.360     albertel 2082: 
1.512     foxr     2083:      
1.360     albertel 2084:     #  Common settings for the %form has:
                   2085:     # In some cases these settings get overriddent by specific cases, but the
                   2086:     # settings are common enough to make it worthwhile factoring them out
                   2087:     # here.
                   2088:     #
                   2089:     my %form;
                   2090:     $form{'grade_target'} = 'tex';
                   2091:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.583.2.2  raeburn  2092:     $form{'pdfFormFields'} = 'no';
1.372     foxr     2093: 
                   2094:     # If form.showallfoils is set, then request all foils be shown:
                   2095:     # privilege will be enforced both by not allowing the 
                   2096:     # check box selecting this option to be presnt unless it's ok,
                   2097:     # and by lonresponse's priv. check.
                   2098:     # The if is here because lonresponse.pm only cares that
                   2099:     # showallfoils is defined, not what the value is.
                   2100: 
                   2101:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2102: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2103:     }
1.504     albertel 2104:     
                   2105:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2106: 	&Apache::lonnet::appenv({'construct.style' =>
                   2107: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2108:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2109: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2110:     }
                   2111: 
1.140     sakharuk 2112:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2113:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2114: 	my ($currentURL,$cleanURL);
1.375     foxr     2115: 
1.162     sakharuk 2116: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2117:             #prints published resource
1.153     sakharuk 2118: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2119: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2120: 	} else {
1.512     foxr     2121: 
1.185     sakharuk 2122:             #prints resource from the construction space
1.240     albertel 2123: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2124: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2125: 	    $cleanURL=$currentURL;
1.143     sakharuk 2126: 	}
1.140     sakharuk 2127: 	$selectionmade = 1;
1.413     albertel 2128: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2129: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2130: 	    my $rndseed=time;
1.242     sakharuk 2131: 	    my $texversion='';
                   2132: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2133: 		my %moreenv;
1.343     albertel 2134: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2135:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2136: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2137: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2138: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2139: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2140: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2141: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2142: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2143: 		    $form{'problem_split'}='yes';
                   2144: 		}
1.242     sakharuk 2145: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2146: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2147: 		}
                   2148: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2149: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2150: 
                   2151: 		&Apache::lonxml::clear_problem_counter();
                   2152: 
1.375     foxr     2153: 		$resources_printed .= $currentURL.':';
1.515     foxr     2154: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2155: 
1.511     foxr     2156: 		#  Add annotations if required:
                   2157: 	    
1.428     albertel 2158: 		&Apache::lonxml::clear_problem_counter();
                   2159: 
1.242     sakharuk 2160: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2161: 	    }
1.423     foxr     2162: 	    # current document with answers.. no need to encap in minipage
                   2163: 	    #  since there's only one answer.
                   2164: 
1.242     sakharuk 2165: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2166: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2167: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2168: 		$form{'grade_target'}='answer';
1.167     albertel 2169: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2170: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2171:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2172: 		    $form{'problemtype'}='exam';
                   2173: 		}
1.375     foxr     2174: 		$resources_printed .= $currentURL.':';
1.515     foxr     2175: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2176: 		
                   2177: 
1.242     sakharuk 2178: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2179: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2180: 		} else {
                   2181: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2182: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2183: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2184: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2185: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2186: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2187: 		    } else {
                   2188: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2189: 			my $URLpath=$cleanURL;
1.245     sakharuk 2190: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2191: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2192: 		    }
1.242     sakharuk 2193: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2194: 		}
1.511     foxr     2195: 
                   2196: 
                   2197: 		
                   2198: 
1.550     foxr     2199: 	    
1.511     foxr     2200: 	    }
                   2201: 	    # Print annotations.
                   2202: 
                   2203: 
                   2204: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2205: 		my $annotation .= &annotate($currentURL);
                   2206: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2207: 	    }
1.511     foxr     2208: 
                   2209: 
1.214     sakharuk 2210: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2211: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2212: 	    }
1.219     sakharuk 2213: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2214: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2215: 
                   2216: 	    }
1.162     sakharuk 2217: 	    $result .= $texversion;
                   2218: 	    if ($currentURL=~m/\.page\s*$/) {
                   2219: 		($result,$number_of_columns) = &page_cleanup($result);
                   2220: 	    }
1.413     albertel 2221:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2222: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2223:             #printing content of sequence from the construction space	
1.559     foxr     2224: 
                   2225: 
1.227     sakharuk 2226: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2227: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2228: 						    $LaTeXwidth);
                   2229: 	    $result .= '\end{document}';  
                   2230: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2231: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2232: 	    }
1.459     foxr     2233: 	    # End construction space sequence.
1.456     raeburn  2234: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2235: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2236: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2237: 		$resources_printed .= $currentURL.':';
1.567     foxr     2238: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2239: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2240: 		    my $annotation = &annotate($currentURL);
                   2241: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2242: 		}
1.258     sakharuk 2243: 		$result .= $texversion;
1.550     foxr     2244: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2245: 	    # For this sort of print of a single LaTeX file,
                   2246: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2247: 	    #
                   2248: 
                   2249: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2250: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2251: 		my $annotation = &annotate($currentURL);
                   2252: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2253: 	    }
                   2254: 
1.499     foxr     2255: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2256: 
1.550     foxr     2257: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2258: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2259: 	    $result .= '\end{document}';
1.559     foxr     2260: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2261: 
                   2262: 	    # Determine the set of resources in the map of the page:
                   2263: 
                   2264: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2265: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2266: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2267: 							$cleanURL, \@page_resources);
                   2268: 
                   2269:        
1.162     sakharuk 2270: 	} else {
1.414     albertel 2271: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2272: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2273: 	}
1.354     foxr     2274:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2275: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2276: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2277:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2278:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2279: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2280: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
1.582     raeburn  2281: 	     ) {
1.511     foxr     2282: 
1.582     raeburn  2283:  
1.141     sakharuk 2284:         #-- produce an output string
1.562     foxr     2285: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2286: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2287: 	    $selectionmade = 2;
1.562     foxr     2288: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2289: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2290: 	{
1.296     sakharuk 2291: 	    $selectionmade = 3;
1.536     foxr     2292: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2293: 		 ) {
1.296     sakharuk 2294: 	    $selectionmade = 4;
1.354     foxr     2295: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2296: 	    $selectionmade = 4;
1.296     sakharuk 2297: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2298: 	    $selectionmade = 7;
                   2299: 	}
1.193     sakharuk 2300: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2301: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2302: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2303: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2304: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2305: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2306: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2307: 	    $form{'problem_split'}='yes';
                   2308: 	}
1.141     sakharuk 2309: 	my $flag_latex_header_remove = 'NO';
                   2310: 	my $flag_page_in_sequence = 'NO';
                   2311: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2312: 	my $prevassignment='';
1.428     albertel 2313: 
                   2314: 	&Apache::lonxml::clear_problem_counter();
                   2315: 
1.416     foxr     2316: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2317: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2318: 
1.521     foxr     2319: 	    &Apache::lonenc::reset_enc();
                   2320: 
                   2321: 
1.350     foxr     2322: 	    # Note due to document structure, not allowed to put \newpage
                   2323: 	    # prior to the first resource
                   2324: 
1.351     foxr     2325: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2326: 		if($i != 0) {
                   2327: 		    $result.="\\newpage\n";
                   2328: 		}
                   2329: 	    }
1.569     foxr     2330: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2331: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2332: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2333: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2334: 
                   2335: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2336: 
1.267     sakharuk 2337: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2338: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2339: 	    my $texversion='';
1.413     albertel 2340: 	    if ($urlp!~m|^/adm/|
                   2341: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2342: 		$resources_printed .= $urlp.':';
1.428     albertel 2343: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2344: 		if ($flag_latex_header_remove eq 'NO') {
                   2345: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2346:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2347:                             (($i==0) &&
                   2348:                              (($urlp=~/\.page$/) ||
                   2349:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ||
                   2350:                               ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page')))) {
                   2351:                         $flag_latex_header_remove = 'YES';
                   2352:                     }
1.566     foxr     2353: 		}
1.515     foxr     2354: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2355: 		if ($urlp=~/\.page$/) {
                   2356: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2357: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2358: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2359: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2360: 		}
1.428     albertel 2361: 
1.296     sakharuk 2362: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2363: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2364: 		    #  Don't permanently pervert the %form hash
                   2365: 		    my %answerform = %form;
                   2366: 		    $answerform{'grade_target'}='answer';
                   2367: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2368: 		    $resources_printed .= $urlp.':';
1.428     albertel 2369: 
                   2370: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2371: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2372:                     if ($urlp =~ /\.page$/) {
                   2373:                         $answer =~ s/\\end{document}(\d*)$//;
                   2374:                     }
1.296     sakharuk 2375: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2376:                         if ($urlp =~ /\.page$/) {
                   2377:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2378:                             my $lastprob = pop(@probs);
                   2379:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2380:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2381:                         } else {
                   2382:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2383:                         }
1.249     sakharuk 2384: 		    } else {
1.582     raeburn  2385: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/) {
1.296     sakharuk 2386: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2387: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2388: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2389: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2390: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2391: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2392: 			    $body   .='\vskip 1 mm '.$answer;
                   2393: 			    $body    = &encapsulate_minipage($body);
                   2394: 			    $texversion .= $body;
1.296     sakharuk 2395: 			} else {
                   2396: 			    $texversion='';
                   2397: 			}
1.249     sakharuk 2398: 		    }
1.511     foxr     2399: 
1.246     sakharuk 2400: 		}
1.511     foxr     2401: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2402: 		    my $annotation .= &annotate($urlp);
                   2403: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2404: 		}
                   2405: 
1.296     sakharuk 2406: 		if ($flag_latex_header_remove ne 'NO') {
                   2407: 		    $texversion = &latex_header_footer_remove($texversion);
                   2408: 		} else {
                   2409: 		    $texversion =~ s/\\end{document}//;
                   2410: 		}
                   2411: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2412: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2413: 		}
                   2414: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2415: 		    my $name = &get_name();
                   2416: 		    my $courseidinfo = &get_course();
1.583.2.1  raeburn  2417:                     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
1.296     sakharuk 2418: 		    $prevassignment=$assignment;
1.455     albertel 2419: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2420: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2421: 							  $assignment, 
                   2422: 							  $courseidinfo, 
                   2423: 							  $name);
1.552     foxr     2424: 
1.417     foxr     2425: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2426: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2427: 		    } else {
1.455     albertel 2428: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2429: 		    }			
1.296     sakharuk 2430: 		}
                   2431: 		$result .= $texversion;
                   2432: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2433: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2434: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2435: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2436: 		$resources_printed .= $urlp.':';
1.567     foxr     2437: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2438: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2439: 		    my $annotation = &annotate($urlp);
                   2440: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2441: 		}
                   2442: 
1.301     sakharuk 2443: 		if ($flag_latex_header_remove ne 'NO') {
                   2444: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2445: 		} else {	
1.301     sakharuk 2446: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2447: 		}
                   2448: 		$result .= $texversion;
                   2449: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2450: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2451: 		if ($i > 0) {
                   2452: 		    $result .= '\cleardoublepage';
                   2453: 		}
1.580     raeburn  2454:                 my $texfrompdf = &include_pdf($urlp);
                   2455:                 if ($flag_latex_header_remove ne 'NO') {
                   2456:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   2457:                 }
                   2458:                 $result .= $texfrompdf;
1.550     foxr     2459: 		if ($i != $#master_seq) {
                   2460: 		    if ($numberofcolumns eq '1') {
                   2461: 			$result .= '\newpage';
                   2462: 		    } else {
                   2463: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2464: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2465: 			#
                   2466: 			$result .= '\\ \cleardoublepage';
                   2467: 		    }
                   2468: 		}
                   2469: 		$flag_latex_header_remove = 'YES';
                   2470: 
1.141     sakharuk 2471: 	    } else {
1.414     albertel 2472: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2473: 					 $master_seq[$i]);
1.297     sakharuk 2474: 		if ($flag_latex_header_remove ne 'NO') {
                   2475: 		    $texversion = &latex_header_footer_remove($texversion);
                   2476: 		} else {
                   2477: 		    $texversion =~ s/\\end{document}//;
                   2478: 		}
                   2479: 		$result .= $texversion;
                   2480: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  2481: 	    }
1.550     foxr     2482: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2483: 		last; 
                   2484: 	    }
1.141     sakharuk 2485: 	}
1.428     albertel 2486: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2487: 	if ($flag_page_in_sequence eq 'YES') {
                   2488: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2489: 	}	
1.141     sakharuk 2490: 	$result .= '\end{document}';
1.284     albertel 2491:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2492: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2493: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2494: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2495: 
                   2496: 
1.150     sakharuk 2497:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2498: 	 my $type;
1.536     foxr     2499: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2500: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2501: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2502: 	     $selectionmade=5;
1.284     albertel 2503: 	     $type='problems';
1.254     sakharuk 2504: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2505: 	     $selectionmade=8;
1.284     albertel 2506: 	     $type='resources';
1.254     sakharuk 2507: 	 }
1.150     sakharuk 2508: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2509: 	 #   The normal sort order is by section then by students within the
                   2510: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2511: 	 #   to override this and output the students by name.
                   2512: 	 #    Each element of the students array is of the form:
                   2513: 	 #       username:domain:section:last, first:status
                   2514: 	 #    
1.429     foxr     2515: 	 #  Note that student sort is not compatible with printing 
                   2516: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2517: 	 #   
1.429     foxr     2518: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2519: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2520: 	     @students = sort compare_names  @students;
                   2521: 	 }
1.429     foxr     2522: 	 &adjust_number_to_print($helper);
                   2523: 
1.278     albertel 2524:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2525: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2526: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2527: 	 }
1.429     foxr     2528: 	 # If we are splitting on section boundaries, we need 
                   2529: 	 # to remember that in split_on_sections and 
                   2530: 	 # print all of the students in the list.
                   2531: 	 #
                   2532: 	 my $split_on_sections = 0;
                   2533: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2534: 	     $split_on_sections = 1;
                   2535: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2536: 	 }
1.150     sakharuk 2537: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2538: 
1.150     sakharuk 2539: 	 #loop over students
1.562     foxr     2540: 
                   2541:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2542: 	 my %moreenv;
1.330     sakharuk 2543:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2544: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2545: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2546: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2547: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2548: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2549: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2550: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2551: 	     $moreenv{'problem_split'}='yes';
                   2552: 	 }
1.318     albertel 2553: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2554: 	 my $student_counter=-1;
1.429     foxr     2555: 	 my $i = 0;
1.430     albertel 2556: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2557: 	 foreach my $person (@students) {
1.350     foxr     2558: 
1.373     albertel 2559:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2560: 	     if (-e $duefile) {
                   2561: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2562: 		 print $temp_file "1969\n";
                   2563: 	     }
1.272     sakharuk 2564: 	     $student_counter++;
1.429     foxr     2565: 	     if ($split_on_sections) {
1.430     albertel 2566: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2567: 		 if ($this_section ne $last_section) {
                   2568: 		     $i++;
                   2569: 		     $last_section = $this_section;
                   2570: 		 }
                   2571: 	     } else {
                   2572: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2573: 	     }
1.375     foxr     2574: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2575: 						     $person,$type,
                   2576: 						     \%moreenv,\@master_seq,
1.360     albertel 2577: 						     $flag_latex_header_remove,
1.422     albertel 2578: 						     $LaTeXwidth);
1.375     foxr     2579: 	     $resources_printed .= ":";
1.284     albertel 2580: 	     $print_array[$i].=$output;
                   2581: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   2582: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2583: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 2584: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2585: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2586: 	 }
                   2587: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2588: 	 $result .= $print_array[0].'  \end{document}';
                   2589:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2590: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2591: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2592: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2593: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2594: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2595: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2596: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2597: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2598: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2599: 
1.381     albertel 2600: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2601:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2602: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2603: 	 foreach my $line (@lines) {
1.381     albertel 2604: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2605: 	     if ($name eq $code_option) {
                   2606: 		 $code_length=$length;
                   2607: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2608: 	     }
                   2609: 	 }
1.288     albertel 2610: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2611: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2612:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2613: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2614: 	 my @allcodes;
                   2615: 	 if ($old_name) {
1.381     albertel 2616: 	     my %result=&Apache::lonnet::get('CODEs',
                   2617: 					     [$old_name,"type\0$old_name"],
                   2618: 					     $cdom,$cnum);
                   2619: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2620: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2621: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2622: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2623: 	     $num_todo = 1;
                   2624: 	     @allcodes = ($selected_code);
1.385     foxr     2625: 	 } elsif ($single_code) {
                   2626: 
1.387     foxr     2627: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2628: 	     # If an alpha code have to convert to numbers so it can be
                   2629: 	     # converted back to letters again :-)
                   2630: 	     #
                   2631: 	     if ($code_type ne 'number') {
                   2632: 		 $single_code = &letters_to_num($single_code);
                   2633: 	     }
                   2634: 	     @allcodes = ($single_code);
1.292     albertel 2635: 	 } else {
                   2636: 	     my %allcodes;
1.299     albertel 2637: 	     srand($seed);
1.292     albertel 2638: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2639: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2640: 					    $code_type);
1.292     albertel 2641: 	     }
                   2642: 	     if ($code_name) {
                   2643: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2644: 				      {
                   2645: 					$code_name =>join(',',keys(%allcodes)),
                   2646: 					"type\0$code_name" => $code_type
                   2647: 				      },
1.292     albertel 2648: 				      $cdom,$cnum);
                   2649: 	     }
                   2650: 	     @allcodes=keys(%allcodes);
                   2651: 	 }
1.336     albertel 2652: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2653: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2654: 	 &adjust_number_to_print($helper);
1.336     albertel 2655: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2656: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2657: 	     $number_per_page=$num_todo;
                   2658: 	 }
                   2659: 	 my $flag_latex_header_remove = 'NO'; 
                   2660: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2661: 	 my $count=0;
1.292     albertel 2662: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2663: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2664: 	     if ($code_type eq 'number') { 
                   2665: 		 $moreenv{'CODE'}=$code;
                   2666: 	     } else {
                   2667: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2668: 	     }
1.375     foxr     2669: 	     my ($output,$fullname, $printed)=
1.288     albertel 2670: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2671: 				  \@master_seq,$flag_latex_header_remove,
                   2672: 				  $LaTeXwidth);
1.375     foxr     2673: 	     $resources_printed .= ":";
1.295     albertel 2674: 	     $print_array[$file_num].=$output;
1.288     albertel 2675: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2676: 				       &mt('last assignment').' '.$fullname);
                   2677: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2678: 	     $count++;
1.331     albertel 2679: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2680: 	 }
                   2681: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2682: 	 $result .= $print_array[0].'  \end{document}';
                   2683:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2684:     #prints selected problems from the subdirectory 
                   2685: 	$selectionmade = 6;
                   2686:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2687: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2688: 	my $flag_latex_header_remove = 'NO'; 
                   2689: 	my $rndseed=time;
1.230     albertel 2690: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2691: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2692: 	}
1.151     sakharuk 2693: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2694: 
                   2695: 	    &Apache::lonenc::reset_enc();
                   2696: 
1.152     sakharuk 2697: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2698: 	    $urlp=~s|//|/|;
1.152     sakharuk 2699: 	    if ($urlp=~/\//) {
1.353     foxr     2700: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2701: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2702: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2703: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2704: 		} else {
1.302     sakharuk 2705: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2706: 		}
1.375     foxr     2707: 		$resources_printed .= $urlp.':';
1.515     foxr     2708: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2709: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2710: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2711: 		    #  Don't permanently pervert %form:
                   2712: 		    my %answerform = %form;
                   2713: 		    $answerform{'grade_target'}='answer';
                   2714: 		    $answerform{'answer_output_mode'}='tex';
                   2715: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2716: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2717: 		    $resources_printed .= $urlp.':';
1.515     foxr     2718: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2719: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2720: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2721: 		    } else {
1.253     sakharuk 2722: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2723: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2724: 			    $texversion.='\vskip 0 mm \noindent ';
                   2725: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2726: 			} else {
                   2727: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2728: 			    my $URLpath=$urlp;
                   2729: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2730: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2731: 			}
                   2732: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2733: 		    }
1.174     sakharuk 2734: 		}
1.515     foxr     2735:                 #this chunk is responsible for printing the path to problem
                   2736: 
1.253     sakharuk 2737: 		my $newurlp=$urlp;
                   2738: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2739: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2740: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2741: 		if ($flag_latex_header_remove ne 'NO') {
                   2742: 		    $texversion = &latex_header_footer_remove($texversion);
                   2743: 		} else {
                   2744: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2745: 		}
                   2746: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2747: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2748: 		}
1.219     sakharuk 2749: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2750: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2751: 		    
                   2752: 		}
1.152     sakharuk 2753: 		$result .= $texversion;
                   2754: 	    }
                   2755: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2756: 	}
1.175     sakharuk 2757: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2758: 	$result .= '\end{document}';      	
1.140     sakharuk 2759:     }
                   2760: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2761: 
                   2762:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2763: 
                   2764:     if ($do_postprocessing) {
                   2765: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2766: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2767: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2768: 	#if ($numberofcolumns == 1) {
1.451     albertel 2769: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2770: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2771: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2772: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2773: 	#}
                   2774:     }
1.367     foxr     2775: 
1.515     foxr     2776:     # Set URLback if this is a construction space print so we can provide
                   2777:     # a link to the resource being edited.
                   2778:     #
1.274     sakharuk 2779: 
1.276     sakharuk 2780:     my $URLback=''; #link to original document
1.510     albertel 2781:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2782: 	#prints resource from the construction space
                   2783: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2784: 	if ($URLback=~/([^?]+)/) {
                   2785: 	    $URLback=$1;
                   2786: 	    $URLback=~s|^/~|/priv/|;
                   2787: 	}
1.276     sakharuk 2788:     }
1.556     foxr     2789:     #
                   2790:     # Final adjustment of the font size:
                   2791:     #
                   2792: 
                   2793:     $result = set_font_size($result);
1.375     foxr     2794: 
1.525     www      2795: #-- writing .tex file in prtspool 
                   2796:     my $temp_file;
                   2797:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2798:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2799:     if (!($#print_array>0)) { 
                   2800:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2801: 	  $r->log_error("Couldn't open $filename for output $!");
                   2802: 	  return SERVER_ERROR; 
                   2803:        }
                   2804:        print $temp_file $result;
                   2805:        my $begin=index($result,'\begin{document}',0);
                   2806:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2807:     } else {
1.525     www      2808:        my $begin=index($result,'\begin{document}',0);
                   2809:        my $inc=substr($result,0,$begin+16);
                   2810:        for (my $i=0;$i<=$#print_array;$i++) {
                   2811: 	  if ($i==0) {
                   2812: 	      $print_array[$i]=$result;
                   2813: 	  } else {
                   2814: 	      $print_array[$i].='\end{document}';
                   2815: 	      $print_array[$i] = 
                   2816: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2817: 				   $selectionmade, 
                   2818: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2819: 	    
1.525     www      2820: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2821: 	      substr($print_array[$i],0,$anobegin)='';
                   2822: 	      $print_array[$i]=$inc.$print_array[$i];
                   2823: 	  }
                   2824: 	  my $temp_file;
                   2825: 	  my $newfilename=$filename;
                   2826: 	  my $num=$i+1;
                   2827: 	  $newfilename =~s/\.tex$//; 
                   2828: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2829: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2830: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2831: 	      return SERVER_ERROR; 
                   2832: 	  }
                   2833: 	  print $temp_file $print_array[$i];
                   2834:        }
                   2835:     }
                   2836:     my $student_names='';
                   2837:     if ($#print_array>0) {
                   2838:         for (my $i=0;$i<=$#print_array;$i++) {
                   2839:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2840: 	}
1.525     www      2841:     } else {
                   2842: 	if ($#student_names>-1) {
                   2843: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2844: 	} else {
1.525     www      2845:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2846: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2847: 				    $env{'request.course.sec'},$fullname).
                   2848: 					'_ENDPERSON_'.'_END_';
                   2849: 	}
1.525     www      2850:      }
1.515     foxr     2851: 	
1.525     www      2852:      # logic for now is too complex to trace if this has been defined
                   2853:      #  yet.
                   2854:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2855:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2856:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2857: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2858: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2859: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2860: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2861: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2862: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2863: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2864: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2865: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2866: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2867:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2868: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2869: 				"cgi.$identifier.courseid" => $cnum, 
                   2870: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2871: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2872: 	
1.525     www      2873:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2874:     my $continue_text = &mt('Continue');
1.525     www      2875:     # If there's been an unrecoverable SSI error, report it to the user
                   2876:     if ($ssi_error) {
                   2877:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2878:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2879:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2880:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2881:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2882:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2883:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2884:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2885:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2886:     } else {
1.515     foxr     2887: 	$r->print(<<FINALEND);
1.317     albertel 2888: <br />
1.288     albertel 2889: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2890: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2891: $end_page
1.140     sakharuk 2892: FINALEND
1.528     raeburn  2893:     }                                     # endif ssi errors.
1.140     sakharuk 2894: }
                   2895: 
1.288     albertel 2896: 
                   2897: sub get_CODE {
1.381     albertel 2898:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2899:     my $max='1'.'0'x$size;
                   2900:     my $newcode;
                   2901:     while(1) {
1.392     albertel 2902: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2903: 	if (!exists($$all_codes{$newcode})) {
                   2904: 	    $$all_codes{$newcode}=1;
1.381     albertel 2905: 	    if ($type eq 'number' ) {
                   2906: 		return $newcode;
                   2907: 	    } else {
                   2908: 		return &num_to_letters($newcode);
                   2909: 	    }
1.288     albertel 2910: 	}
                   2911:     }
                   2912: }
1.140     sakharuk 2913: 
1.284     albertel 2914: sub print_resources {
1.360     albertel 2915:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2916: 	$LaTeXwidth)=@_;
1.284     albertel 2917:     my $current_output = ''; 
1.375     foxr     2918:     my $printed = '';
1.284     albertel 2919:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2920:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2921:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2922:     if ($person =~ 'anon') {
1.492     foxr     2923: 	$namepostfix .="Name: ";
1.288     albertel 2924: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2925:     }
1.444     foxr     2926:     #  Fullname may have special latex characters that need \ prefixing:
                   2927:     #
                   2928: 
1.350     foxr     2929:     my $i           = 0;
1.284     albertel 2930:     #goes through all resources, checks if they are available for 
                   2931:     #current student, and produces output   
1.428     albertel 2932: 
                   2933:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2934:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2935:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2936:     #
1.441     foxr     2937:     #   end each student with a 
1.440     foxr     2938:     #   Special that allows the post processor to even out the page
                   2939:     #   counts later.  Nasty problem this... it would be really
                   2940:     #   nice to put the special in as a postscript comment
1.441     foxr     2941:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2942:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2943:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2944:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2945:     #
1.568     foxr     2946:     my $syllabus_first = 0;
1.284     albertel 2947:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2948: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2949: 	    if($i != 0) {
                   2950: 		$current_output.= "\\newpage\n";
                   2951: 	    }
                   2952: 	}
1.569     foxr     2953: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     2954: 	$i++;
1.511     foxr     2955: 
1.284     albertel 2956: 	if ( !($type eq 'problems' && 
1.582     raeburn  2957: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) ) {
1.284     albertel 2958: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2959: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2960: 		if ($res_url!~m|^ext/|
1.413     albertel 2961: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2962: 		    $printed .= $curresline.':';
1.428     albertel 2963: 		    &Apache::lonxml::remember_problem_counter();    
                   2964: 
1.526     www      2965: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  2966:                     if ($res_url =~ /\.page$/) {
                   2967:                         if ($remove_latex_header eq 'NO') {
                   2968:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   2969:                                 $rendered = &print_latex_header().$rendered;
                   2970:                             }
                   2971:                         }
                   2972:                         if ($remove_latex_header eq 'YES') {
                   2973:                             $rendered = &latex_header_footer_remove($rendered);
                   2974:                         } else {
                   2975:                             $rendered =~ s/\\end{document}\d*//;
                   2976:                         }
                   2977:                     }
1.305     sakharuk 2978: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2979: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2980: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2981: 			my %answerenv = %{$moreenv};
                   2982: 			$answerenv{'answer_output_mode'}='tex';
                   2983: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2984: 			
                   2985: 			&Apache::lonxml::restore_problem_counter();
                   2986: 
1.380     foxr     2987: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2988: 
1.305     sakharuk 2989: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2990: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2991: 			} else {
1.423     foxr     2992: 
                   2993: 			    
                   2994: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2995:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   2996:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   2997:                             }
1.477     albertel 2998: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2999: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3000: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3001: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3002: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3003: 			    $body     = &encapsulate_minipage($body);
                   3004: 			    $rendered = $header.$body;
1.305     sakharuk 3005: 			}
                   3006: 		    }
1.511     foxr     3007: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3008: 			my $url = &Apache::lonnet::clutter($res_url);
                   3009: 			my $annotation = &annotate($url);
                   3010: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3011: 		    }
1.562     foxr     3012: 		    my $junk;
1.305     sakharuk 3013: 		    if ($remove_latex_header eq 'YES') {
                   3014: 			$rendered = &latex_header_footer_remove($rendered);
                   3015: 		    } else {
                   3016: 			$rendered =~ s/\\end{document}//;
                   3017: 		    }
                   3018: 		    $current_output .= $rendered;		    
1.456     raeburn  3019: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3020: 		    if ($i == 1) {
                   3021: 			$syllabus_first = 1;
                   3022: 		    }
1.375     foxr     3023: 		    $printed .= $curresline.':';
1.528     raeburn  3024: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3025: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3026: 			my $url = &Apache::lonnet::clutter($res_url);
                   3027: 			my $annotation = &annotate($url);
                   3028: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3029: 		    }
1.305     sakharuk 3030: 		    if ($remove_latex_header eq 'YES') {
                   3031: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3032: 		    } else {
1.305     sakharuk 3033: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3034: 		    }
1.421     foxr     3035: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3036: 		} elsif($res_url = ~/\.pdf$/) {
                   3037: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3038: 		    my $rendered  = &include_pdf($url);
                   3039: 		    if ($remove_latex_header ne 'NO') {
                   3040: 			$rendered = &latex_header_footer_remove($rendered);
                   3041: 		    }
                   3042: 		    $current_output .= $rendered;
1.284     albertel 3043: 		} else {
1.414     albertel 3044: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3045: 		    if ($remove_latex_header ne 'NO') {
                   3046: 			$rendered = &latex_header_footer_remove($rendered);
                   3047: 		    } else {
                   3048: 			$rendered =~ s/\\end{document}//;
                   3049: 		    }
                   3050: 		    $current_output .= $rendered;
1.284     albertel 3051: 		}
                   3052: 	    }
                   3053: 	    $remove_latex_header = 'YES';
1.550     foxr     3054: 	} 
1.331     albertel 3055: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3056:     }
1.552     foxr     3057: 
1.583     raeburn  3058:     if ($syllabus_first) {
                   3059:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3060:     }
1.284     albertel 3061:     my $courseidinfo = &get_course();
1.583.2.1  raeburn  3062:     if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo }
                   3063:     if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection}
1.284     albertel 3064:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3065:     my $header_line =
1.486     foxr     3066: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.583.2.1  raeburn  3067: 			    $currentassignment, $courseidinfo, $fullname);
1.476     albertel 3068:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3069: 	                                         : '\fancyhead[LO]';
                   3070:     $header_line = $header_start.'{'.$header_line.'}';
1.583     raeburn  3071:     if ($current_output=~/\\documentclass/) {
1.476     albertel 3072: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 3073:     } else {
1.476     albertel 3074: 	my $blankpages = 
                   3075: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3076: 	    
                   3077: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3078: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3079: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3080: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3081:     }
1.440     foxr     3082:     #
                   3083:     #  Close the student bracketing.
                   3084:     #
1.375     foxr     3085:     return ($current_output,$fullname, $printed);
1.284     albertel 3086: 
                   3087: }
1.140     sakharuk 3088: 
1.3       sakharuk 3089: sub handler {
                   3090: 
                   3091:     my $r = shift;
1.397     albertel 3092:     
                   3093:     &init_perm();
1.114     bowersj2 3094: 
1.416     foxr     3095: 
1.67      www      3096: 
1.397     albertel 3097:     my $helper = printHelper($r);
                   3098:     if (!ref($helper)) {
                   3099: 	return $helper;
1.60      sakharuk 3100:     }
1.177     sakharuk 3101:    
1.184     sakharuk 3102: 
1.454     foxr     3103:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3104:  
1.416     foxr     3105: 
1.350     foxr     3106: 
                   3107: 
1.367     foxr     3108:     #  If a figure conversion queue file exists for this user.domain
                   3109:     # we delete it since it can only be bad (if it were good, printout.pl
                   3110:     # would have deleted it the last time around.
                   3111: 
1.373     albertel 3112:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3113:     if(-e $conversion_queuefile) {
                   3114: 	unlink $conversion_queuefile;
                   3115:     }
1.515     foxr     3116:     
                   3117: 
1.184     sakharuk 3118:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3119:     return OK;
1.60      sakharuk 3120: } 
1.2       sakharuk 3121: 
1.131     bowersj2 3122: use Apache::lonhelper;
1.130     sakharuk 3123: 
1.223     bowersj2 3124: sub addMessage {
                   3125:     my $text = shift;
                   3126:     my $paramHash = Apache::lonhelper::getParamHash();
                   3127:     $paramHash->{MESSAGE_TEXT} = $text;
                   3128:     Apache::lonhelper::message->new();
                   3129: }
                   3130: 
1.416     foxr     3131: 
1.238     bowersj2 3132: 
1.397     albertel 3133: sub init_perm {
                   3134:     undef(%perm);
                   3135:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3136:     if (!$perm{'pav'}) {
                   3137: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3138: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3139:     }
1.465     albertel 3140:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3141:     if (!$perm{'pfo'}) {
                   3142: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3143: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3144:     }
                   3145: }
                   3146: 
1.507     albertel 3147: sub get_randomly_ordered_warning {
                   3148:     my ($helper,$map) = @_;
                   3149: 
                   3150:     my $message;
                   3151: 
                   3152:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3153:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3154:     if (defined($navmap)) {
                   3155:         my $res = $navmap->getResourceByUrl($map);
                   3156:         if ($res) {
                   3157: 	    my $func = 
                   3158: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3159: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3160: 	    if (@matches) {
                   3161: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3162: 	    }
                   3163:         }
                   3164:         if ($message) {
                   3165: 	    return '<message type="warning">'.$message.'</message>';
                   3166:         }
                   3167:     } else {
                   3168:         $message = "Retrieval of information about ordering of resources failed."; 
                   3169:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3170:     }
                   3171:     return;
                   3172: }
                   3173: 
1.131     bowersj2 3174: sub printHelper {
1.115     bowersj2 3175:     my $r = shift;
                   3176: 
                   3177:     if ($r->header_only) {
1.373     albertel 3178:         if ($env{'browser.mathml'}) {
1.241     www      3179:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3180:         } else {
1.241     www      3181:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3182:         }
                   3183:         $r->send_http_header;
                   3184:         return OK;
1.115     bowersj2 3185:     }
                   3186: 
1.131     bowersj2 3187:     # Send header, nocache
1.373     albertel 3188:     if ($env{'browser.mathml'}) {
1.241     www      3189:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3190:     } else {
1.241     www      3191:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3192:     }
                   3193:     &Apache::loncommon::no_cache($r);
                   3194:     $r->send_http_header;
                   3195:     $r->rflush();
                   3196: 
1.131     bowersj2 3197:     # Unfortunately, this helper is so complicated we have to
                   3198:     # write it by hand
                   3199: 
                   3200:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3201:     
1.176     bowersj2 3202:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3203:     $helper->declareVar('symb');
1.156     bowersj2 3204:     $helper->declareVar('postdata');    
1.290     sakharuk 3205:     $helper->declareVar('curseed'); 
                   3206:     $helper->declareVar('probstatus');   
1.156     bowersj2 3207:     $helper->declareVar('filename');
                   3208:     $helper->declareVar('construction');
1.178     sakharuk 3209:     $helper->declareVar('assignment');
1.262     sakharuk 3210:     $helper->declareVar('style_file');
1.340     foxr     3211:     $helper->declareVar('student_sort');
1.363     foxr     3212:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3213:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3214:     $helper->declareVar("showallfoils");
1.483     foxr     3215:     $helper->declareVar("STUDENTS");
1.569     foxr     3216:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3217: 
                   3218:    
                   3219: 
                   3220: 
1.569     foxr     3221:     #  The page breaks and extra spaces
                   3222:     #  can get loaded initially from the course environment:
1.394     foxr     3223:     # But we only do this in the initial state so that they are allowed to change.
                   3224:     #
1.366     foxr     3225: 
1.363     foxr     3226:     
                   3227:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3228: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3229: 						 'extraspace'  => 'scalar',
1.570     foxr     3230: 						 'extraspace_units' => 'scalar',
1.366     foxr     3231: 					         'lastprinttype' => 'scalar'});
                   3232:     
1.483     foxr     3233:     # This will persistently load in the data we want from the
                   3234:     # very first screen.
1.394     foxr     3235:     
                   3236:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3237: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3238: 	    
                   3239: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3240: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3241: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3242: 	} else {
                   3243: 	    my $state = $env{"form.CURRENT_STATE"};
                   3244: 	    if ($state eq "START") {
                   3245: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3246: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3247: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3248: 		
1.394     foxr     3249: 	    }
                   3250: 	}
                   3251: 	
1.366     foxr     3252:     }
1.481     albertel 3253: 
1.156     bowersj2 3254:     # Detect whether we're coming from construction space
1.373     albertel 3255:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3256:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3257:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3258:     } else {
1.373     albertel 3259:         if ($env{'form.postdata'}) {
                   3260:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3261: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3262: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3263: 	    }
1.156     bowersj2 3264:         }
1.373     albertel 3265:         if ($env{'form.symb'}) {
                   3266:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3267:         }
1.373     albertel 3268:         if ($env{'form.url'}) {
1.156     bowersj2 3269:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3270:         }
1.416     foxr     3271: 
1.157     bowersj2 3272:     }
1.481     albertel 3273: 
1.373     albertel 3274:     if ($env{'form.symb'}) {
                   3275:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3276:     }
1.373     albertel 3277:     if ($env{'form.url'}) {
1.140     sakharuk 3278:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3279: 
1.140     sakharuk 3280:     }
1.343     albertel 3281:     $helper->{VARS}->{'symb'}=
                   3282: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3283:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3284:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3285: 
1.156     bowersj2 3286:     
1.146     bowersj2 3287:     # Extract map
                   3288:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3289:     my ($map, $id, $url);
                   3290:     my $subdir;
1.483     foxr     3291:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3292: 
                   3293:     # Get the resource name from construction space
                   3294:     if ($helper->{VARS}->{'construction'}) {
                   3295:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3296:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3297:         $subdir = substr($helper->{VARS}->{'filename'},
                   3298:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3299:     } else {
1.562     foxr     3300: 	# From course space:
                   3301: 
1.482     albertel 3302: 	if ($symb ne '') {
                   3303: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3304: 	    $helper->{VARS}->{'postdata'} = 
                   3305: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3306: 	} else {
                   3307: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3308: 	    $is_published=1;	# From resource space.
1.482     albertel 3309: 	}
                   3310: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3311:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3312:             my $postdata = $helper->{VARS}->{'postdata'};
                   3313:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3314:         }
                   3315:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3316:     }
1.373     albertel 3317:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3318: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3319:     }
1.373     albertel 3320:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3321: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3322:     }
1.115     bowersj2 3323: 
1.192     bowersj2 3324:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3325: 
1.481     albertel 3326:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3327: 
1.131     bowersj2 3328:     # "Delete everything after the last slash."
1.119     bowersj2 3329:     $subdir =~ s|/[^/]+$||;
                   3330: 
1.131     bowersj2 3331:     # What can be printed is a very dynamic decision based on
                   3332:     # lots of factors. So we need to dynamically build this list.
                   3333:     # To prevent security leaks, states are only added to the wizard
                   3334:     # if they can be reached, which ensures manipulating the form input
                   3335:     # won't allow anyone to reach states they shouldn't have permission
                   3336:     # to reach.
                   3337: 
                   3338:     # printChoices is tracking the kind of printing the user can
                   3339:     # do, and will be used in a choices construction later.
                   3340:     # In the meantime we will be adding states and elements to
                   3341:     # the helper by hand.
                   3342:     my $printChoices = [];
                   3343:     my $paramHash;
1.130     sakharuk 3344: 
1.240     albertel 3345:     if ($resourceTitle) {
1.458     www      3346:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3347:     }
                   3348: 
1.238     bowersj2 3349:     # Useful filter strings
1.540     raeburn  3350:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3351:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3352:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3353:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3354:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3355:     my $isMap = '$res->is_map()';
1.342     albertel 3356:     my $symbFilter = '$res->shown_symb()';
                   3357:     my $urlValue = '$res->link()';
1.238     bowersj2 3358: 
                   3359:     $helper->declareVar('SEQUENCE');
                   3360: 
1.465     albertel 3361:     # If we're in a sequence...
1.416     foxr     3362: 
1.465     albertel 3363:     my $start_new_option;
                   3364:     if ($perm{'pav'}) {
                   3365: 	$start_new_option = 
                   3366: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     3367: 	    "' variable='FINISHPAGE' />".
1.570     foxr     3368: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     3369: 	    "' variable='EXTRASPACE' type='text' />" .
                   3370: 	    "<option " .
1.570     foxr     3371: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   3372: 	    "<option text='".&mt('Space units<br />check for mm').
                   3373: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   3374: 	    ;
                   3375: 	    
1.569     foxr     3376: 
1.465     albertel 3377:     }
1.238     bowersj2 3378: 
1.562     foxr     3379:     # If not construction space user can print the components of a page:
                   3380: 
                   3381:     my $page_ispage;
                   3382:     my $page_title;
                   3383:     if (!$helper->{VARS}->{'construction'}) {
                   3384: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3385: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3386: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3387: 	if (defined($page_navmap)) {
                   3388: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3389: 	    if(defined($page_resources[0])) {
                   3390: 		$page_ispage       = $page_resources[0]->is_page();
                   3391: 		$page_title     = $page_resources[0]->title();
                   3392: 		my $resourcesymb   = $page_resources[0]->symb();
                   3393: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3394: 		if ($page_ispage) {
                   3395: 		    push @{$printChoices}, 
                   3396: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3397: 		     'map_problems_in_page', 
                   3398: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3399: 		    push @{$printChoices}, 
                   3400: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3401: 		     'map_resources_in_page', 
                   3402: 		     'CHOOSE_RESOURCES_PAGE'];
                   3403: 		}
1.562     foxr     3404:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3405: 							'Select Problem(s) to print',
                   3406: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3407: 							'RESOURCES',
                   3408: 							'PAGESIZE',
                   3409: 							$url,
                   3410: 							$isProblem, '',  $symbFilter,
                   3411: 							$start_new_option);
                   3412: 
                   3413: 
                   3414:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3415: 						    'Select Resource(s) to print',
                   3416: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3417: 						    'RESOURCES',
                   3418: 						    'PAGESIZE',
                   3419: 						    $url,
                   3420: 						    $isNotMap, '', $symbFilter,
                   3421: 						    $start_new_option);
                   3422: 
                   3423: 						    
                   3424: 
                   3425: 
                   3426: 
                   3427: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3428: 	
1.563     foxr     3429: 	    }
                   3430: 	}
1.562     foxr     3431:     }
                   3432: 
                   3433:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3434: 	$helper->{VARS}->{'postdata'} &&
                   3435: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3436:         # Allow problems from sequence
1.562     foxr     3437:         push @{$printChoices}, 
                   3438: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3439: 	     'map_problems', 
                   3440: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3441:         # Allow all resources from sequence
1.562     foxr     3442:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3443: 				'map_problems_pages', 
                   3444: 				'CHOOSE_PROBLEMS_HTML'];
                   3445:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3446: 							'Select Problem(s) to print',
                   3447: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3448: 							'RESOURCES',
                   3449: 							'PAGESIZE',
                   3450: 							$map,
                   3451: 							$isProblem, '',
                   3452: 							$symbFilter,
                   3453: 							$start_new_option);
                   3454: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3455: 						      'Select Resource(s) to print',
                   3456: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3457: 						      'RESOURCES',
                   3458: 						      'PAGESIZE',
                   3459: 						      $map,
                   3460: 						      $isNotMap, '',
                   3461: 						      $symbFilter,
                   3462: 						      $start_new_option);
1.121     bowersj2 3463: 
1.326     sakharuk 3464: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3465:     }
                   3466: 
1.546     bisitz   3467:     # If the user has pfo (print for others) allow them to print all 
                   3468:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3469:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3470:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3471:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3472: 
1.509     albertel 3473:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3474: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3475: 	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     3476: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3477:   <state name="STUDENTS1" title="Select People">
                   3478:       <message><b>Select sorting order of printout</b> </message>
                   3479:     <choices variable='student_sort'>
                   3480:       <choice computer='0'>Sort by section then student</choice>
                   3481:       <choice computer='1'>Sort by students across sections.</choice>
                   3482:     </choices>
                   3483:       <message><br /><hr /><br /> </message>
                   3484:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3485:   </state>
1.284     albertel 3486: ALL_PROBLEMS
1.562     foxr     3487:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3488: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3489: 							      'SelectProblem(s) to print',
                   3490: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3491: 							      'RESOURCES',
                   3492: 							      'PAGESIZE',
                   3493: 							      '',
                   3494: 							      $isProblemOrMap, $isNotMap,
                   3495: 							      $symbFilter,
                   3496: 							      $start_new_option) .
                   3497: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3498: 							      'Select Resource(s) to print',
                   3499: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3500: 							      'RESOURCES',
                   3501: 							      'PAGESIZE',
                   3502: 							      '',
                   3503: 							      $isNotMap,'',$symbFilter,
                   3504: 							      $start_new_option) .
                   3505: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3506: 							      'Select Problem(s) to print',
                   3507: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3508: 							      'RESOURCES',
                   3509: 							      'STUDENTS1',
                   3510: 							      '',
                   3511: 							      $isProblemOrMap,'' , $symbFilter,
                   3512: 							      $start_new_option) .
                   3513: 				     $suffixXml
                   3514: 				   );
1.132     bowersj2 3515: 
1.284     albertel 3516: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3517: 
                   3518: 	    # If we were looking at a page, allow a selection of problems from the page
                   3519: 	    # either for selected students or for coded assignments.
                   3520: 
                   3521: 	    if ($page_ispage) {
                   3522: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3523: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3524: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3525: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3526: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3527: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3528: 	    }
                   3529: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3530: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3531: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3532: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3533: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3534: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3535: 	}
1.424     foxr     3536: 
1.507     albertel 3537: 	my $randomly_ordered_warning = 
                   3538: 	    &get_randomly_ordered_warning($helper,$map);
                   3539: 
1.424     foxr     3540: 	# resource_selector will hold a few states that:
                   3541: 	#   - Allow resources to be selected for printing.
                   3542: 	#   - Determine pagination between assignments.
                   3543: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3544:         # TODO:
                   3545: 	#    Probably good to do things like separate this up into several vars, each
                   3546: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3547: 	#    and next states for better mix and match capability
                   3548: 	#
1.562     foxr     3549: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3550: 							  'Select resources to print',
                   3551: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3552: 							  'RESOURCES', 
                   3553: 							  'PRINT_FORMATTING',
1.571     droeschl 3554: 							  $map,
1.562     foxr     3555: 							  $isProblem, '', $symbFilter,
                   3556: 							  $start_new_option);
                   3557: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3558:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3559:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3560:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3561:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3562:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3563:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3564:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3565:     </choices>
1.424     foxr     3566:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3567:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3568:     <choices variable="SPLIT_PDFS">
                   3569:        <choice computer="all">All assignments in a single PDF file</choice>
                   3570:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3571:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3572:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3573:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3574:     </choices>
1.424     foxr     3575:     </state>
1.284     albertel 3576: RESOURCE_SELECTOR
1.562     foxr     3577:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3578: 							'Select Problem(s) to print',
                   3579: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3580: 							'RESOURCES',
                   3581: 							'PRINT_FORMATTING',
                   3582: 							$url,
                   3583: 							$isProblem, '',  $symbFilter,
                   3584: 							$start_new_option);
                   3585: 
                   3586: 
                   3587: # Generate student choosers.
                   3588: 
                   3589: 
1.284     albertel 3590: 
1.562     foxr     3591:         &Apache::lonxml::xmlparse($r, 'helper',
                   3592: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3593: 							    'student_sort',
                   3594: 							    'STUDENTS',
                   3595: 							    'CHOOSE_STUDENTS_PAGE'));
                   3596: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3597: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3598: 							    'student_sort',
                   3599: 							    'STUDENTS',
                   3600: 							    'SELECT_PROBLEMS'));
                   3601: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3602: 
1.373     albertel 3603: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3604: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3605:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3606: 	my $namechoice='<choice></choice>';
1.337     albertel 3607: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3608: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3609: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3610: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3611: 	}
1.389     foxr     3612: 
                   3613: 
                   3614: 	my %code_values;
1.405     albertel 3615: 	my %codes_to_print;
1.411     albertel 3616: 	foreach my $key (@names) {
1.389     foxr     3617: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3618: 	    foreach my $key (keys(%code_values)) {
                   3619: 		$codes_to_print{$key} = 1;
1.388     foxr     3620: 	    }
                   3621: 	}
1.389     foxr     3622: 
1.452     albertel 3623: 	my $code_selection;
1.405     albertel 3624: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3625: 	    my $choice  = $code;
                   3626: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3627: 		$choice = &letters_to_num($code);
                   3628: 	    }
1.432     albertel 3629: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3630: 	}
1.436     albertel 3631: 	if (%codes_to_print) {
                   3632: 	    $code_selection .='   
1.472     albertel 3633: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3634: 		<message></td><td></message>
1.452     albertel 3635: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3636:                   <choice></choice>
1.448     albertel 3637:                   <exec>
                   3638:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3639:                   </exec>
1.452     albertel 3640: 		</dropdown>
1.468     foxr     3641: 	    <message></td></tr><tr><td></message>
1.436     albertel 3642:             '.$/;
1.448     albertel 3643: 
1.436     albertel 3644: 	}
1.432     albertel 3645: 
1.542     raeburn  3646:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3647: 	my $codechoice='';
1.542     raeburn  3648: 	foreach my $line (@lines) {
1.381     albertel 3649: 	    my ($name,$description,$code_type,$code_length)=
                   3650: 		(split(/:/,$line))[0,1,2,4];
                   3651: 	    if ($code_length > 0 && 
                   3652: 		$code_type =~/^(letter|number|-1)/) {
                   3653: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3654: 	    }
                   3655: 	}
                   3656: 	if ($codechoice eq '') {
                   3657: 	    $codechoice='<choice computer="default">Default</choice>';
                   3658: 	}
1.562     foxr     3659: 	my $anon1 = &generate_code_selector($helper, 
                   3660: 					    'CHOOSE_ANON1',
                   3661: 					    'SELECT_PROBLEMS',
                   3662: 					    $codechoice,
                   3663: 					    $code_selection,
                   3664: 					    $namechoice) . $resource_selector;
                   3665: 					    
                   3666: 					    
                   3667:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3668: 
                   3669: 	my $anon_page = &generate_code_selector($helper,
                   3670: 						'CHOOSE_ANON1_PAGE',
                   3671: 						'SELECT_PROBLEMS_PAGE',
                   3672: 						$codechoice,
                   3673: 						$code_selection,
                   3674: 						$namechoice) .
                   3675: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3676: 						   'Select Problem(s) to print',
                   3677: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3678: 						   'RESOURCES',
                   3679: 						   'PRINT_FORMATTING',
                   3680: 						   $url,
                   3681: 						   $isProblem, '',  $symbFilter,
                   3682: 						   $start_new_option);
                   3683: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3684: 
1.272     sakharuk 3685: 
1.254     sakharuk 3686: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3687: 	    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'];
                   3688: 	    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 3689: 	}
1.284     albertel 3690: 	    
                   3691: 
                   3692: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3693:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3694:     $randomly_ordered_warning
1.424     foxr     3695:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3696:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3697:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3698:               closeallpages="1">
1.254     sakharuk 3699:       <filterfunc>return $isNotMap;</filterfunc>
                   3700:       <mapurl>$map</mapurl>
                   3701:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3702:       $start_new_option
1.254     sakharuk 3703:       </resource>
1.424     foxr     3704:     </state>
1.562     foxr     3705: 
1.424     foxr     3706:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3707:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3708:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3709:     <choices variable="EMPTY_PAGES">
                   3710:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3711:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3712:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3713:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3714:     </choices>
1.424     foxr     3715:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3716:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3717:     <choices variable="SPLIT_PDFS">
                   3718:        <choice computer="all">All assignments in a single PDF file</choice>
                   3719:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3720:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3721:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3722:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3723:     </choices>
1.424     foxr     3724:     </state>
1.284     albertel 3725: RESOURCE_SELECTOR
                   3726: 
                   3727: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3728:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3729:     <choices variable='student_sort'>
                   3730:       <choice computer='0'>Sort by section then student</choice>
                   3731:       <choice computer='1'>Sort by students across sections.</choice>
                   3732:     </choices>
1.437     foxr     3733:     <message><br /><hr /><br /></message>
1.426     foxr     3734:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3735: 
1.424     foxr     3736:     </state>
1.284     albertel 3737:     $resource_selector
1.254     sakharuk 3738: CHOOSE_STUDENTS1
                   3739: 
1.284     albertel 3740: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3741:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3742:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3743:     <message><h4>Fill out one of the forms below</h4></message>
                   3744:     <message><br /><hr /> <br /></message>
                   3745:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3746:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     3747:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 3748:        <validator>
                   3749: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3750: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3751: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3752: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3753: 	    return "You need to specify the number of assignments to print";
                   3754: 	}
1.578     foxr     3755:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   3756:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   3757:             return 'Specifying number of codes to print and a specific code is not compatible';
                   3758:         }
1.362     albertel 3759: 	return undef;
                   3760:        </validator>
                   3761:     </string>
                   3762:     <message></td></tr><tr><td></message>
1.501     albertel 3763:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3764:     <message></td><td></message>
                   3765:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3766:     <message></td></tr><tr><td></message>
                   3767:     <message><b>Bubble sheet type:</b></message>
                   3768:     <message></td><td></message>
                   3769:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3770:     $codechoice
                   3771:     </dropdown>
1.472     albertel 3772:     <message></td></tr><tr><td></table></message>
                   3773:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3774:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3775:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3776:         <validator>
                   3777: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3778: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3779: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3780: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3781: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     3782: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     3783: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     3784: 	   } else {
                   3785: 	       return undef;	# Other forces control us.
                   3786: 	   }
                   3787:         </validator>
                   3788:     </string>
1.472     albertel 3789:     <message></td></tr><tr><td></message>
1.432     albertel 3790:         $code_selection
1.472     albertel 3791:     <message></td></tr></table></message>
                   3792:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3793:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3794:     <message></td><td></message>
1.294     albertel 3795:     <dropdown variable="REUSE_OLD_CODES">
                   3796:         $namechoice
                   3797:     </dropdown>
1.412     albertel 3798:     <message></td></tr></table></message>
1.424     foxr     3799:   </state>
1.284     albertel 3800:     $resource_selector
                   3801: CHOOSE_ANON2
1.481     albertel 3802:     }
                   3803: 
1.121     bowersj2 3804:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3805:     if (($perm{'pav'} 
1.482     albertel 3806: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3807: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3808: 	    ||
                   3809: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3810: 	     && 
                   3811: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3812: 	    )) 
                   3813: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3814: 	) {
                   3815: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3816:         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 3817:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3818:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3819: 
1.138     bowersj2 3820:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3821:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3822:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3823: CHOOSE_FROM_SUBDIR
                   3824:         
1.238     bowersj2 3825:         # this is broken up because I really want interpolation above,
                   3826:         # and I really DON'T want it below
1.139     bowersj2 3827:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3828:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3829: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3830:       </filefilter>
1.138     bowersj2 3831:       </files>
1.131     bowersj2 3832:     </state>
                   3833: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3834:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3835:     }
1.238     bowersj2 3836: 
                   3837:     # Allow the user to select any sequence in the course, feed it to
                   3838:     # another resource selector for that sequence
1.483     foxr     3839:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3840: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3841: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3842: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3843: 	#Escape apostrophes and backslashes for Perl
                   3844: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3845: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3846: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3847:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3848:     <message>Select the sequence to print resources from:</message>
                   3849:     <resource variable="SEQUENCE">
                   3850:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3851:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3852:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3853:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3854: 	</choicefunc>
1.238     bowersj2 3855:       </resource>
                   3856:     </state>
                   3857:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3858:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3859:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3860:               closeallpages="1">
1.238     bowersj2 3861:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3862:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3863:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3864:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3865:       $start_new_option
1.238     bowersj2 3866:       </resource>
                   3867:     </state>
                   3868: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3869: }
1.481     albertel 3870: 
1.131     bowersj2 3871:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3872:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3873:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3874:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3875:     Apache::lonhelper::message->new();
                   3876:     $paramHash = Apache::lonhelper::getParamHash();
                   3877:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3878:     $paramHash->{CHOICES} = $printChoices;
                   3879:     Apache::lonhelper::choices->new();
1.161     bowersj2 3880: 
1.223     bowersj2 3881:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3882:                           # to close it later)
                   3883: 
1.397     albertel 3884:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3885: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3886: 	&addMessage('<br />'
                   3887:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3888:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3889:                    .&Apache::lonhtmlcommon::row_title(
                   3890:                        '<label for="ANSWER_TYPE_forminput">'
                   3891:                       .&mt('Print Answers')
                   3892:                       .'</label>'
                   3893:                     )
                   3894:         );
1.161     bowersj2 3895:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3896: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3897: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3898:         $paramHash->{CHOICES} = [
1.242     sakharuk 3899:                                    ['Without Answers', 'yes'],
                   3900:                                    ['With Answers', 'no'],
1.368     albertel 3901:                                    ['Only Answers', 'only']
1.289     sakharuk 3902:                                 ];
1.210     sakharuk 3903:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3904: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3905: 	$startedTable = 1;
1.556     foxr     3906: 
                   3907: #
                   3908: #  Select font size.
                   3909: #
                   3910: 
                   3911:             $helper->declareVar('fontsize');
                   3912:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3913:             my $xmlfrag = << "FONT_SELECTION";
                   3914: 
                   3915:           
                   3916:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3917:             <defaultvalue>
                   3918: 		  return 'normalsize';
                   3919:             </defaultvalue>
                   3920:             <choice computer='tiny'>Tiny</choice>
                   3921:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3922:             <choice computer='footnotesize'>Footnote Size</choice>
                   3923:             <choice computer='small'>Small</choice>
                   3924:             <choice computer='normalsize'>Normal (default)</choice>
                   3925:             <choice computer='large'>larger than normal</choice>
                   3926:             <choice computer='Large'>Even larger than normal</choice>
                   3927:             <choice computer='LARGE'>Still larger than normal</choice>
                   3928:             <choice computer='huge'>huge font size</choice>
                   3929:             <choice computer='Huge'>Largest possible size</choice>
                   3930:             </dropdown>
                   3931: FONT_SELECTION
                   3932:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3933:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3934:     }
1.209     sakharuk 3935: 
1.397     albertel 3936:     if ($perm{'pav'}) {
1.223     bowersj2 3937: 	if (!$startedTable) {
1.497     www      3938: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3939:                        '<label for="LATEX_TYPE_forminput">'.
                   3940:                        &mt('LaTeX mode').
                   3941:                        "</label>: </td><td>");
1.223     bowersj2 3942: 	    $startedTable = 1;
                   3943: 	} else {
1.544     bisitz   3944: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3945:                            '<label for="LATEX_TYPE_forminput">'
                   3946:                            .&mt('LaTeX mode')
                   3947:                            .'</label>'
                   3948:                         )
                   3949:             );
1.223     bowersj2 3950: 	}
1.203     sakharuk 3951:         $paramHash = Apache::lonhelper::getParamHash();
                   3952: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3953: 	$helper->declareVar('LATEX_TYPE');  
                   3954: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3955: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3956: 				     ['standard LaTeX mode', 'standard'], 
                   3957: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3958: 	} else {
                   3959: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3960: 				     ['LaTeX batchmode', 'batchmode'],
                   3961: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3962: 	}
1.210     sakharuk 3963:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3964:  
1.544     bisitz   3965: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3966:                    .&Apache::lonhtmlcommon::row_title(
                   3967:                         '<label for="TABLE_CONTENTS_forminput">'
                   3968:                        .&mt('Print Table of Contents')
                   3969:                        .'</label>'
                   3970:                     )
                   3971:         );
1.209     sakharuk 3972:         $paramHash = Apache::lonhelper::getParamHash();
                   3973: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3974: 	$helper->declareVar('TABLE_CONTENTS');         
                   3975:         $paramHash->{CHOICES} = [
1.223     bowersj2 3976:                                    ['No', 'no'],
                   3977:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3978:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3979: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3980:         
1.220     sakharuk 3981: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3982: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3983:                             '<label for="TABLE_INDEX_forminput">'
                   3984:                            .&mt('Print Index')
                   3985:                            .'</label>'
                   3986:                         )
                   3987:             );
1.220     sakharuk 3988: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3989: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3990: 	    $helper->declareVar('TABLE_INDEX');         
                   3991: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3992: 				     ['No', 'no'],
                   3993: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3994: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3995:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3996:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3997:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3998:                            .&mt('Print Discussions')
                   3999:                            .'</label>'
                   4000:                         )
                   4001:             );
1.309     sakharuk 4002: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4003: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4004: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4005: 	    $paramHash->{CHOICES} = [
                   4006: 				     ['No', 'no'],
                   4007: 				     ['Yes', 'yes'] ];
                   4008: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4009:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4010: 
1.511     foxr     4011: 	    # Prompt for printing annotations too.
                   4012: 		
1.545     bisitz   4013: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4014:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4015:                            .&mt('Print Annotations')
                   4016:                            .'</label>'
                   4017:                         )
                   4018:             );
1.511     foxr     4019: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4020: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4021: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4022: 	    $paramHash->{CHOICES} = [
                   4023: 				     ['No', 'no'],
                   4024: 				     ['Yes', 'yes']];
                   4025: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4026:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4027: 
1.545     bisitz   4028:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4029: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4030: 	    $paramHash->{'multichoice'} = "true";
                   4031: 	    $paramHash->{'allowempty'}  = "true";
                   4032: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4033: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4034: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4035:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4036: 	}
1.219     sakharuk 4037: 
1.230     albertel 4038: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4039: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4040:             my $randseedtext=&mt("Use random seed");
                   4041:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4042:             my $selectfiletext=&mt("Select style file");
1.497     www      4043: 
1.544     bisitz   4044: 	    my $xmlfrag .= '<message>'
                   4045:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4046:                                               .$randseedtext
                   4047:                                               .'</label>'
                   4048:              )
                   4049:             .'</message>
                   4050:             <string variable="curseed" size="15" maxlength="15">
                   4051:                 <defaultvalue>
                   4052:                    return '.$helper->{VARS}->{'curseed'}.';
                   4053:                 </defaultvalue>'
                   4054:             .'</string>'
                   4055:             .'<message>'
                   4056:             .&Apache::lonhtmlcommon::row_closure()
                   4057:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4058:                                               .$stylefiletext
                   4059:                                               .'</label>'
                   4060:              )
                   4061:             .'</message>
1.504     albertel 4062:              <string variable="style_file" size="40">
1.544     bisitz   4063:                 <defaultvalue>
                   4064:                     return '.$stylevalue.';
                   4065:                 </defaultvalue>
                   4066:              </string><message>&nbsp;'
                   4067: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4068: .$selectfiletext.'</a>'
                   4069:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4070:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4071:             .'</message>
1.371     foxr     4072: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4073:                 <choice computer="1">&nbsp;</choice>
                   4074:              </choices>'
                   4075: 	    .'<message>'
                   4076:             .&Apache::lonhtmlcommon::row_closure()
                   4077:             .'</message>';
1.230     albertel 4078:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4079: 
                   4080: 
1.544     bisitz   4081:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4082: 	    #
                   4083: 	    # Initial value from construction space:
                   4084: 	    #
                   4085: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4086: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4087: 	    }
1.518     foxr     4088: 	    $xmlfrag = << "PROBTYPE";
                   4089: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4090: 		   <defaultvalue>
                   4091: 		      return "$helper->{VARS}->{'probstatus'}";
                   4092:                    </defaultvalue>
                   4093: 		   <choice computer="problem">Homework Problem</choice>
                   4094: 		   <choice computer="exam">Exam Problem</choice>
                   4095: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4096:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4097: 		</dropdown>
                   4098: PROBTYPE
                   4099:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4100:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4101: 
1.556     foxr     4102: 
                   4103: 
1.544     bisitz   4104:         }
1.223     bowersj2 4105:     }
1.264     sakharuk 4106: 
                   4107: 
                   4108: 
1.218     sakharuk 4109: 
1.223     bowersj2 4110:     if ($startedTable) {
1.544     bisitz   4111:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4112:     }
1.161     bowersj2 4113: 
1.131     bowersj2 4114:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4115: 
1.144     bowersj2 4116:     # Generate the PAGESIZE state which will offer the user the margin
                   4117:     # choices if they select one column
                   4118:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4119:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4120: 
                   4121: 
1.131     bowersj2 4122:     $helper->process();
                   4123: 
1.416     foxr     4124: 
1.131     bowersj2 4125:     # MANUAL BAILOUT CONDITION:
                   4126:     # If we're in the "final" state, bailout and return to handler
                   4127:     if ($helper->{STATE} eq 'FINAL') {
                   4128:         return $helper;
                   4129:     }    
1.130     sakharuk 4130: 
1.583.2.3! raeburn  4131:     my $footer;
1.395     www      4132:     if ($helper->{STATE} eq 'START') {
1.583.2.3! raeburn  4133:         my $prtspool=$r->dir_config('lonPrtDir');
        !          4134:         $footer = &recently_generated($prtspool);
1.395     www      4135:     }
1.583.2.3! raeburn  4136:     $r->print($helper->display($footer));
1.333     albertel 4137:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4138: 
                   4139:     return OK;
                   4140: }
                   4141: 
1.1       www      4142: 
                   4143: 1;
1.119     bowersj2 4144: 
                   4145: package Apache::lonprintout::page_format_state;
                   4146: 
                   4147: =pod
                   4148: 
1.131     bowersj2 4149: =head1 Helper element: page_format_state
                   4150: 
                   4151: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4152: 
1.131     bowersj2 4153: Apache::lonprintout::page_format_state is an element that gives the 
                   4154: user an opportunity to select the page layout they wish to print 
                   4155: with: Number of columns, portrait/landscape, and paper size. If you 
                   4156: want to change the paper size choices, change the @paperSize array 
                   4157: contents in this package.
1.119     bowersj2 4158: 
1.131     bowersj2 4159: page_format_state is always directly invoked in lonprintout.pm, so there
                   4160: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4161: 
                   4162: =over 4
                   4163: 
1.131     bowersj2 4164: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4165: 
                   4166: =back
                   4167: 
                   4168: =cut
                   4169: 
1.131     bowersj2 4170: use Apache::lonhelper;
1.119     bowersj2 4171: 
                   4172: no strict;
1.131     bowersj2 4173: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4174: use strict;
1.266     sakharuk 4175: use Apache::lonlocal;
1.373     albertel 4176: use Apache::lonnet;
1.119     bowersj2 4177: 
                   4178: my $maxColumns = 2;
1.376     albertel 4179: # it'd be nice if these all worked
                   4180: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4181: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4182: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4183: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4184: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4185: 		 "a4 [210x297 mm]");
1.119     bowersj2 4186: 
                   4187: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4188: #                   Paper type
                   4189: 
                   4190: sub new { 
1.131     bowersj2 4191:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4192: 
1.135     bowersj2 4193:     shift;
                   4194: 
1.131     bowersj2 4195:     $self->{'variable'} = shift;
1.134     bowersj2 4196:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4197:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4198:     bless($self);
1.119     bowersj2 4199:     return $self;
                   4200: }
                   4201: 
                   4202: sub render {
                   4203:     my $self = shift;
1.131     bowersj2 4204:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4205:     my $result = '';
1.131     bowersj2 4206:     my $var = $self->{'variable'};
1.266     sakharuk 4207:     my $PageLayout=&mt('Page layout');
                   4208:     my $NumberOfColumns=&mt('Number of columns');
                   4209:     my $PaperType=&mt('Paper type');
1.506     albertel 4210:     my $landscape=&mt('Landscape');
                   4211:     my $portrait=&mt('Portrait');
1.556     foxr     4212:     
                   4213: 
1.544     bisitz   4214:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4215:             .&Apache::loncommon::start_data_table()
                   4216:             .&Apache::loncommon::start_data_table_header_row()
                   4217:             .'<th>'.$PageLayout.'</th>'
                   4218:             .'<th>'.$NumberOfColumns.'</th>'
                   4219:             .'<th>'.$PaperType.'</th>'
                   4220:             .&Apache::loncommon::end_data_table_header_row()
                   4221:             .&Apache::loncommon::start_data_table_row()
                   4222:     .'<td>'
                   4223:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4224:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4225:     .'</td>';
1.119     bowersj2 4226: 
1.544     bisitz   4227:     $result.='<td align="center">'
                   4228:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4229: 
                   4230:     my $i;
                   4231:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4232:         if ($i == 2) {
1.553     bisitz   4233:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4234:         } else {
1.553     bisitz   4235:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4236:         }
                   4237:     }
                   4238: 
                   4239:     $result .= "</select></td><td>\n";
                   4240:     $result .= "<select name='${var}.paper'>\n";
                   4241: 
1.373     albertel 4242:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4243:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4244:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4245:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4246:     $i = 0;
                   4247:     foreach (@paperSize) {
1.326     sakharuk 4248: 	$_=~/(\w+)/;
                   4249: 	my $papersize=$1;
1.304     sakharuk 4250:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4251:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4252:         } else {
1.553     bisitz   4253:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4254:         }
                   4255:         $i++;
                   4256:     }
1.539     onken    4257:     $result .= <<HTML;
                   4258:         </select>
                   4259:     </td>
                   4260: HTML
1.544     bisitz   4261:     $result.=&Apache::loncommon::end_data_table_row()
                   4262:             .&Apache::loncommon::end_data_table();
1.539     onken    4263: 
1.119     bowersj2 4264:     return $result;
1.135     bowersj2 4265: }
                   4266: 
                   4267: sub postprocess {
                   4268:     my $self = shift;
                   4269: 
                   4270:     my $var = $self->{'variable'};
1.136     bowersj2 4271:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4272:     $helper->{VARS}->{$var} = 
1.373     albertel 4273:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4274:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4275:     return 1;
1.119     bowersj2 4276: }
                   4277: 
                   4278: 1;
1.144     bowersj2 4279: 
                   4280: package Apache::lonprintout::page_size_state;
                   4281: 
                   4282: =pod
                   4283: 
                   4284: =head1 Helper element: page_size_state
                   4285: 
                   4286: See lonhelper.pm documentation for discussion of the helper framework.
                   4287: 
                   4288: Apache::lonprintout::page_size_state is an element that gives the 
                   4289: user the opportunity to further refine the page settings if they
                   4290: select a single-column page.
                   4291: 
                   4292: page_size_state is always directly invoked in lonprintout.pm, so there
                   4293: is no tag interface. You actually pass parameters to the constructor.
                   4294: 
                   4295: =over 4
                   4296: 
                   4297: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4298: 
                   4299: =back
                   4300: 
                   4301: =cut
                   4302: 
                   4303: use Apache::lonhelper;
1.373     albertel 4304: use Apache::lonnet;
1.144     bowersj2 4305: no strict;
                   4306: @ISA = ("Apache::lonhelper::element");
                   4307: use strict;
                   4308: 
                   4309: 
                   4310: 
                   4311: sub new { 
                   4312:     my $self = Apache::lonhelper::element->new();
                   4313: 
                   4314:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4315:            # package descriptor)... - Jeremy
                   4316: 
                   4317:     $self->{'variable'} = shift;
                   4318:     my $helper = Apache::lonhelper::getHelper();
                   4319:     $helper->declareVar($self->{'variable'});
                   4320: 
                   4321:     # The variable name of the format element, so we can look into 
                   4322:     # $helper->{VARS} to figure out whether the columns are one or two
                   4323:     $self->{'formatvar'} = shift;
                   4324: 
1.463     foxr     4325: 
1.144     bowersj2 4326:     $self->{NEXTSTATE} = shift;
                   4327:     bless($self);
1.467     foxr     4328: 
1.144     bowersj2 4329:     return $self;
                   4330: }
                   4331: 
                   4332: sub render {
                   4333:     my $self = shift;
                   4334:     my $helper = Apache::lonhelper::getHelper();
                   4335:     my $result = '';
                   4336:     my $var = $self->{'variable'};
                   4337: 
1.467     foxr     4338: 
                   4339: 
1.144     bowersj2 4340:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4341:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4342:     }
                   4343: 
1.438     foxr     4344:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4345: 
                   4346:     # Use format to get sensible defaults for the margins:
                   4347: 
                   4348: 
                   4349:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4350:     ($papersize)                      = split(/ /, $papersize);
                   4351: 
1.559     foxr     4352:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4353: 
                   4354: 
                   4355: 
1.464     albertel 4356:     my %size;
                   4357:     ($size{'width_and_units'},
                   4358:      $size{'height_and_units'},
                   4359:      $size{'margin_and_units'})=
                   4360: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4361:     
1.464     albertel 4362:     foreach my $dimension ('width','height','margin') {
                   4363: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4364: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4365:        	
                   4366: 	foreach my $unit ('cm','in') {
                   4367: 	    $size{$dimension.'_options'} .= '<option ';
                   4368: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4369: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4370: 	    }
                   4371: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4372: 	}
1.438     foxr     4373:     }
                   4374: 
1.470     foxr     4375:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4376: 
                   4377:     if ($size{'margin_unit'} eq 'in') {
                   4378: 	$size{'margin'} += 1;
                   4379:     }  else {
                   4380: 	$size{'margin'} += 2.54;
                   4381:     }
1.548     bisitz   4382:     my %lt = &Apache::lonlocal::texthash(
                   4383:         'format' => 'How should each column be formatted?',
                   4384:         'width'  => 'Width',
                   4385:         'height' => 'Height',
                   4386:         'margin' => 'Left Margin'
                   4387:     );
                   4388: 
                   4389:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4390:               .&Apache::lonhtmlcommon::start_pick_box()
                   4391:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4392:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4393:               .'<select name="'.$var.'.widthunit">'
                   4394:               .$size{'width_options'}
                   4395:               .'</select>'
                   4396:               .&Apache::lonhtmlcommon::row_closure()
                   4397:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4398:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4399:               .'<select name="'.$var.'.heightunit">'
                   4400:               .$size{'height_options'}
                   4401:               .'</select>'
                   4402:               .&Apache::lonhtmlcommon::row_closure()
                   4403:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4404:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4405:               .'<select name="'.$var.'.lmarginunit">'
                   4406:               .$size{'margin_options'}
                   4407:               .'</select>'
                   4408:               .&Apache::lonhtmlcommon::row_closure(1)
                   4409:               .&Apache::lonhtmlcommon::end_pick_box();
                   4410:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4411:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4412: 
                   4413:     return $result;
                   4414: }
                   4415: 
1.470     foxr     4416: 
1.144     bowersj2 4417: sub preprocess {
                   4418:     my $self = shift;
                   4419:     my $helper = Apache::lonhelper::getHelper();
                   4420: 
                   4421:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4422: 
                   4423:     #  If the user does not have 'pav' privilege, set default widths and
                   4424:     #  on to the next state right away.
                   4425:     #
                   4426:     if (!$perm{'pav'}) {
                   4427: 	my $var = $self->{'variable'};
                   4428: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4429: 	
                   4430: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4431: 	($papersize)                      = split(/ /, $papersize);
                   4432: 	
                   4433: 	
1.560     foxr     4434: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4435: 
1.467     foxr     4436: 	#  Figure out some good defaults for the print out and set them:
                   4437: 	
                   4438: 	my %size;
                   4439: 	($size{'width'},
                   4440: 	 $size{'height'},
                   4441: 	 $size{'lmargin'})=
                   4442: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4443: 	
                   4444: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4445: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4446: 	    	    
1.467     foxr     4447: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4448: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4449: 	    
                   4450: 	}
                   4451: 	
                   4452: 
                   4453: 	# Transition to the next state
                   4454: 
                   4455: 	$helper->changeState($self->{NEXTSTATE});
                   4456:     }
1.144     bowersj2 4457:    
                   4458:     return 1;
                   4459: }
                   4460: 
                   4461: sub postprocess {
                   4462:     my $self = shift;
                   4463: 
                   4464:     my $var = $self->{'variable'};
                   4465:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4466:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4467:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4468:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4469:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4470:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4471:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4472: 
                   4473:     my $error = '';
                   4474: 
                   4475:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4476:     # by an optional period, followed by digits, ending the string
                   4477: 
1.464     albertel 4478:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4479:         $error .= "Invalid width; please type only a number.<br />\n";
                   4480:     }
1.464     albertel 4481:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4482:         $error .= "Invalid height; please type only a number.<br />\n";
                   4483:     }
1.464     albertel 4484:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4485:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4486:     } else {
                   4487: 	# Adjust for LaTeX 1.0 inch margin:
                   4488: 
                   4489: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4490: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4491: 	} else {
                   4492: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4493: 	}
1.144     bowersj2 4494:     }
                   4495: 
                   4496:     if (!$error) {
                   4497:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4498:         return 1;
                   4499:     } else {
                   4500:         $self->{ERROR_MSG} = $error;
                   4501:         return 0;
                   4502:     }
                   4503: }
                   4504: 
                   4505: 
1.119     bowersj2 4506: 
1.1       www      4507: __END__
1.6       sakharuk 4508: 

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