Annotation of loncom/interface/lonprintout.pm, revision 1.568.4.3

1.562     foxr        1: #
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.568.4.3! raeburn     5: # $Id: lonprintout.pm,v 1.568.4.2 2010/02/25 04:55:30 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>
                    199:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                    200:        <validator>
                    201: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    202: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    203:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
                    204: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    205: 	    return "You need to specify the number of assignments to print";
                    206: 	}
                    207: 	return undef;
                    208:        </validator>
                    209:     </string>
                    210:     <message></td></tr><tr><td></message>
                    211:     <message><b>Names to save the CODEs under for later:</b></message>
                    212:     <message></td><td></message>
                    213:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    214:     <message></td></tr><tr><td></message>
                    215:     <message><b>Bubble sheet type:</b></message>
                    216:     <message></td><td></message>
                    217:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    218:     $bubble_types
                    219:     </dropdown>
                    220:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    221:     <message></td></tr><tr><td></table></message>
                    222:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    223:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    224:     <string variable="SINGLE_CODE" size="10">
                    225:         <validator>
                    226: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    227: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    228: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    229: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    230: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                    231: 	   } else {
                    232: 	       return undef;	# Other forces control us.
                    233: 	   }
                    234:         </validator>
                    235:     </string>
                    236:     <message></td></tr><tr><td></message>
                    237:         $code_selections
                    238:     <message></td></tr></table></message>
                    239:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    240:     <message><b>Select saved CODEs:</b></message>
                    241:     <message></td><td></message>
                    242:     <dropdown variable="REUSE_OLD_CODES">
                    243:         $saved_codes
                    244:     </dropdown>
                    245:     <message></td></tr></table></message>
                    246:   </state>
                    247: CHOOSE_ANON1
                    248: 
                    249:    return $result;
                    250: }
                    251: 
                    252: #-----------------------------------------------------------------------
                    253: 
1.515     foxr      254: 
1.498     foxr      255: # Fetch the contents of a resource, uninterpreted.
                    256: # This is used here to fetch a latex file to be included
                    257: # verbatim into the printout<
                    258: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    259: #
                    260: # Parameters:
                    261: #   URL of the file
                    262: #
                    263: sub fetch_raw_resource {
                    264:     my ($url) = @_;
                    265: 
                    266:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      267:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      268: 
1.500     foxr      269:     if ($contents == -1) {
                    270: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      271:     }
1.500     foxr      272:     return $contents;
1.498     foxr      273: 
                    274:     
                    275: }
                    276: 
1.511     foxr      277: #  Fetch the annotations associated with a URL and 
                    278: #  put a centered 'annotations:' title.
                    279: #  This is all suppressed if the annotations are empty.
                    280: #
                    281: sub annotate {
                    282:     my ($symb) = @_;
                    283: 
1.559     foxr      284:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      285: 
                    286: 
                    287:     my $result = "";
                    288: 
                    289:     if (length($annotation_text) > 0) {
                    290: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    291: 	$result .= "\n";
                    292: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    293: 	$result .= "\n\n";
                    294:     }
                    295:     return $result;
                    296: }
                    297: 
1.556     foxr      298: #
                    299: #   Set a global document font size:
                    300: #   This is done by replacing \begin{document}
                    301: #   with \begin{document}{\some-font-directive
                    302: #   and \end{document} with
                    303: #   }\end{document
                    304: #
                    305: sub set_font_size {
                    306: 
                    307:     my ($text) = @_;
                    308: 
                    309:     $text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    310:     $text =~ s/\\end{document}/}\\end{document}/;
                    311:     return $text;
                    312: 
                    313: 
                    314: }
                    315: 
1.550     foxr      316: # include_pdf - PDF files are included into the 
                    317: # output as follows:
                    318: #  - The PDF, if necessary, is replicated.
                    319: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    320: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    321: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    322: #
                    323: # Parameters:
                    324: #   pdf_uri   - URI of the PDF file to include.
                    325: #   
                    326: # Returns:
                    327: #  The LaTeX to include.
                    328: #
                    329: # Assumptions:
                    330: #    The uri is actually a PDF file
                    331: #    The postscript will have the includepsheader.ps included.
                    332: #
                    333: #
                    334: sub include_pdf {
                    335:     my ($pdf_uri) = @_;
                    336: 
                    337:     # Where is the file? If not local we'll need to repcopy it:'
                    338: 
                    339:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    340:     if (! -e $file) {
                    341: 	&Apache::lonnet::repcopy($file);
                    342: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    343:     }
                    344: 
                    345:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    346:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    347:     # need tob e converted for this print job:
                    348: 
                    349:     $file =~ s|(.*)/res/|/home/httpd/html/res/|;
                    350: 
                    351:     open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
                    352:     print FILE ("$file\n");
                    353:     close (FILE);
                    354: 
                    355:     # Construct the special to put out.  To do this we need to get the
                    356:     # resulting filename after conversion.  The file will have the same name
                    357:     # but will be in the user's spool directory with converted images.
                    358: 
                    359:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    360:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    361: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    362:     $base =~ s/ /\_/g;
                    363: 
                    364: 
1.551     foxr      365:     my $output = &print_latex_header();
1.550     foxr      366:     $output    .= '\special{ps: _begin_job_ ('
                    367: 	.$base.'.pdf.eps'.
                    368: 	')run _end_job_}';
                    369: 
                    370:     return $output;
                    371: 
                    372: 
                    373: }
                    374: 
1.515     foxr      375: 
                    376: #
1.559     foxr      377: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      378: #                      if the ssi call returns an error we'll retry it up to
                    379: #                      the number of times requested by the caller.
                    380: #                      If we still have a proble, no text is appended to the
                    381: #                      output and we set some global variables.
1.523     raeburn   382: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      383: #                      All of this is supposed to deal with the issues described
                    384: #                      in LonCAPA BZ 5631 see:
                    385: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    386: #                      by informing the user that this happened.
                    387: #
                    388: # Parameters:
                    389: #   resource   - The resource to include.  This is passed directly, without
                    390: #                interpretation to lonnet::ssi.
                    391: #   form       - The form hash parameters that guide the interpretation of the resource
                    392: #                
                    393: #   retries    - Number of retries allowed before giving up completely.
                    394: # Returns:
                    395: #   On success, returns the rendered resource identified by the resource parameter.
                    396: # Side Effects:
                    397: #   The following global variables can be set:
1.523     raeburn   398: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      399: #                               It is up to the caller to initialize this to false
                    400: #                               if desired.
1.523     raeburn   401: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      402: #                               of the resource that could not be rendered by the ssi
                    403: #                               call.
                    404: #    ssi_last_error           - The error string fetched from the ssi response
                    405: #                               in the event of an error.
                    406: #
                    407: sub ssi_with_retries {
                    408:     my ($resource, $retries, %form) = @_;
                    409: 
1.559     foxr      410:     my $target = $form{'grade_target'};
                    411:     my $aom    = $form{'answer_output_mode'};
                    412: 
                    413: 
1.515     foxr      414: 
1.516     foxr      415:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    416:     if (!$response->is_success) {
1.515     foxr      417: 	$ssi_error               = 1;
                    418: 	$ssi_last_error_resource = $resource;
1.516     foxr      419: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   420:         $content='\section*{!!! An error occurred !!!}';	
1.519     foxr      421: 	&Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
1.515     foxr      422:     }
1.516     foxr      423: 
                    424:     return $content;
                    425: 
1.515     foxr      426: }
                    427: 
1.524     www       428: sub get_student_view_with_retries {
                    429:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    430: 
                    431:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    432:     if (!$response->is_success) {
                    433:         $ssi_error               = 1;
1.526     www       434:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       435:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   436:         $content='\section*{!!! An error occurred !!!}';
1.526     www       437:         &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error User: $username:$userdomain");
1.524     www       438:     }
                    439:     return $content;
                    440: 
                    441: }
                    442: 
1.486     foxr      443: #
                    444: #   printf_style_subst  item format_string repl
                    445: #  
                    446: # Does printf style substitution for a format string that
                    447: # can have %[n]item in it.. wherever, %[n]item occurs,
                    448: # rep is substituted in format_string.  Note that
                    449: # [n] is an optional integer length.  If provided,
                    450: # repl is truncated to at most [n] characters prior to 
                    451: # substitution.
                    452: #
                    453: sub printf_style_subst {
                    454:     my ($item, $format_string, $repl) = @_;
1.490     foxr      455:     my $result = "";
                    456:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  457: 	my $fmt = $1;
                    458: 	my $size = $2;
1.486     foxr      459: 	my $subst = $repl;
                    460: 	if ($size ne "") {
                    461: 	    $subst = substr($subst, 0, $size);
1.490     foxr      462: 	    
                    463: 	    #  Here's a nice edge case.. supose the end of the
                    464: 	    #  substring is a \.  In that case may have  just
                    465: 	    #  chopped off a TeX escape... in that case, we append
                    466: 	    #   " " for the trailing character, and let the field 
                    467: 	    #  spill over a bit (sigh).
                    468: 	    #  We don't just chop off the last character in order to deal
                    469: 	    #  with one last pathology, and that would be if substr had
                    470: 	    #  trimmed us to e.g. \\\  
                    471: 
                    472: 
                    473: 	    if ($subst =~ /\\$/) {
                    474: 		$subst .= " ";
                    475: 	    }
1.486     foxr      476: 	}
1.490     foxr      477: 	my $item_pos = pos($format_string);
                    478: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    479:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      480:     }
1.490     foxr      481: 
                    482:     # Put the residual format string into the result:
                    483: 
                    484:     $result .= $format_string;
                    485: 
                    486:     return $result;
1.486     foxr      487: }
                    488: 
1.454     foxr      489: 
                    490: # Format a header according to a format.  
                    491: # 
                    492: 
                    493: # Substitutions:
                    494: #     %a    - Assignment name.
                    495: #     %c    - Course name.
                    496: #     %n    - Student name.
1.537     foxr      497: #     %s    - The section if it is supplied.
1.454     foxr      498: #
                    499: sub format_page_header {
1.537     foxr      500:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    501: 
1.565     foxr      502: 
                    503: 
1.486     foxr      504:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      505:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    506: 
1.454     foxr      507:     #  Default format?
                    508: 
                    509:     if ($format eq '') {
1.486     foxr      510: 	# For the default format, we may need to truncate
                    511: 	# elements..  To do this we need to get the page width.
                    512: 	# we assume that each character is about 2mm in width.
                    513: 	# (correct for the header text size??).  We ignore
                    514: 	# any formatting (e.g. boldfacing in this).
                    515: 	# 
                    516: 	# - Allow the student/course to be one line.
                    517: 	#   but only truncate the course.
                    518: 	# - Allow the assignment to be 2 lines (wrapped).
                    519: 	#
1.565     foxr      520: 
1.537     foxr      521: 	
                    522: 
                    523: 	my $name_length    = int($chars_per_line *3 /4);
                    524: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      525: 
1.537     foxr      526: 	$format  = "%$name_length".'n';
1.486     foxr      527: 
1.537     foxr      528: 	if ($section) {
                    529: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      530: 	}
1.489     foxr      531: 
1.537     foxr      532: 	$format .= '\\\\%c \\\\ %a';
                    533:         
1.490     foxr      534: 
1.454     foxr      535:     }
1.537     foxr      536:     # An open question is how to handle long user formatted page headers...
                    537:     # A possible future is to support e.g. %na so that the user can control
                    538:     # the truncation of the elements that can appear in the header.
                    539:     #
                    540:     $format =  &printf_style_subst("a", $format, $assignment);
                    541:     $format =  &printf_style_subst("c", $format, $course);
                    542:     $format =  &printf_style_subst("n", $format, $student);
                    543:     $format =  &printf_style_subst("s", $format, $section);
                    544:     
                    545:     
                    546:     # If the user put %'s in the format string, they  must be escaped
                    547:     # to \% else LaTeX will think they are comments and terminate
                    548:     # the line.. which is bad!!!
                    549:     
1.538     onken     550:     # If the user has role author, $course and $assignment are empty so
                    551:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    552:     if($format =~ /\\\\\s\\\\\s/) {
                    553:         #TODO find sensible caption for page header
                    554:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    555:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    556:     }
1.565     foxr      557:     #
                    558:     #  We're going to trust LaTeX to break lines appropriately, but
                    559:     #  we'll truncate anything that's more than 3 lines worth of
                    560:     # text.  This is also assuming (which will probably end badly)
                    561:     # nobody's going to embed LaTeX control sequences in the title
                    562:     # header or rather that those control sequences won't get broken
                    563:     # by the stuff below.
                    564:     #
                    565:     my $total_length = 3*$chars_per_line;
                    566:     if (length($format) > $total_length) {
                    567: 	$format = substr($format, 0, $total_length);
                    568:     }
                    569: 
1.454     foxr      570: 
                    571:     return $format;
                    572:     
                    573: }
1.397     albertel  574: 
1.385     foxr      575: #
                    576: #   Convert a numeric code to letters
                    577: #
                    578: sub num_to_letters {
                    579:     my ($num) = @_;
                    580:     my @nums= split('',$num);
                    581:     my @num_to_let=('A'..'Z');
                    582:     my $word;
                    583:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    584:     return $word;
                    585: }
                    586: #   Convert a letter code to numeric.
                    587: #
                    588: sub letters_to_num {
                    589:     my ($letters) = @_;
                    590:     my @letters = split('', uc($letters));
1.490     foxr      591:    my %substitution;
1.385     foxr      592:     my $digit = 0;
                    593:     foreach my $letter ('A'..'J') {
                    594: 	$substitution{$letter} = $digit;
                    595: 	$digit++;
                    596:     }
                    597:     #  The substitution is done as below to preserve leading
                    598:     #  zeroes which are needed to keep the code size exact
                    599:     #
                    600:     my $result ="";
                    601:     foreach my $letter (@letters) {
                    602: 	$result.=$substitution{$letter};
                    603:     }
                    604:     return $result;
                    605: }
                    606: 
1.383     foxr      607: #  Determine if a code is a valid numeric code.  Valid
                    608: #  numeric codes must be comprised entirely of digits and
1.384     albertel  609: #  have a correct number of digits.
1.383     foxr      610: #
                    611: #  Parameters:
                    612: #     value      - proposed code value.
1.384     albertel  613: #     num_digits - Number of digits required.
1.383     foxr      614: #
                    615: sub is_valid_numeric_code {
1.384     albertel  616:     my ($value, $num_digits) = @_;
1.383     foxr      617:     #   Remove leading/trailing whitespace;
1.387     foxr      618:     $value =~ s/^\s*//g;
                    619:     $value =~ s/\s*$//g;
1.383     foxr      620:     
                    621:     #  All digits?
1.387     foxr      622:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      623: 	return "Numeric code $value has invalid characters - must only be digits";
                    624:     }
1.384     albertel  625:     if (length($value) != $num_digits) {
                    626: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    627:     }
1.385     foxr      628:     return undef;
1.383     foxr      629: }
                    630: #   Determines if a code is a valid alhpa code.  Alpha codes
                    631: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  632: #   They also have a correct digit count.
1.383     foxr      633: # Parameters:
                    634: #     value          - Proposed code value.
1.384     albertel  635: #     num_letters    - correct number of letters.
1.383     foxr      636: # Note:
                    637: #    leading and trailing whitespace are ignored.
                    638: #
                    639: sub is_valid_alpha_code {
1.384     albertel  640:     my ($value, $num_letters) = @_;
1.383     foxr      641:     
                    642:      # strip leading and trailing spaces.
                    643: 
                    644:     $value =~ s/^\s*//g;
                    645:     $value =~ s/\s*$//g;
                    646: 
                    647:     #  All alphas in the right range?
1.384     albertel  648:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      649: 	return "Invalid letter code $value must only contain A-J";
                    650:     }
1.384     albertel  651:     if (length($value) != $num_letters) {
                    652: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    653:     }
1.385     foxr      654:     return undef;
1.383     foxr      655: }
                    656: 
1.382     foxr      657: #   Determine if a code entered by the user in a helper is valid.
                    658: #   valid depends on the code type and the type of code selected.
                    659: #   The type of code selected can either be numeric or 
                    660: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    661: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    662: #   We'll be nice and be case insensitive for alpha codes.
                    663: # Parameters:
                    664: #    code_value    - the value of the code the user typed in.
                    665: #    code_option   - The code type selected from the set in the scantron format
                    666: #                    table.
                    667: # Returns:
                    668: #    undef         - The code is valid.
                    669: #    other         - An error message indicating what's wrong.
                    670: #
                    671: sub is_code_valid {
                    672:     my ($code_value, $code_option) = @_;
1.383     foxr      673:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   674:     my @lines = &Apache::grades::get_scantronformat_file();
                    675:     foreach my $line (@lines) {
1.383     foxr      676: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    677: 	if($name eq $code_option) {
                    678: 	    $code_length = $length;
                    679: 	    if($type eq 'number') {
                    680: 		$code_type = 'number';
                    681: 	    }
                    682: 	}
                    683:     }
                    684:     my $valid;
                    685:     if ($code_type eq 'number') {
1.385     foxr      686: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      687:     } else {
1.385     foxr      688: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      689:     }
1.382     foxr      690: 
                    691: }
                    692: 
1.341     foxr      693: #   Compare two students by name.  The students are in the form
                    694: #   returned by the helper:
                    695: #      user:domain:section:last,   first:status
                    696: #   This is a helper function for the perl sort built-in  therefore:
                    697: # Implicit Inputs:
                    698: #    $a     - The first element to compare (global)
                    699: #    $b     - The second element to compare (global)
                    700: # Returns:
                    701: #   -1   - $a < $b
                    702: #    0   - $a == $b
                    703: #   +1   - $a > $b
                    704: #   Note that the initial comparison is done on the last names with the
                    705: #   first names only used to break the tie.
                    706: #
                    707: #
                    708: sub compare_names {
                    709:     #  First split the names up into the primary fields.
                    710: 
                    711:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    712:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                    713: 
                    714:     # Now split the last name and first name of each n:
                    715:     #
                    716: 
                    717:     my ($l1,$f1) = split(/,/, $n1);
                    718:     my ($l2,$f2) = split(/,/, $n2);
                    719: 
                    720:     # We don't bother to remove the leading/trailing whitespace from the
                    721:     # firstname, unless the last names compare identical.
                    722: 
                    723:     if($l1 lt $l2) {
                    724: 	return -1;
                    725:     }
                    726:     if($l1 gt $l2) {
                    727: 	return  1;
                    728:     }
                    729: 
                    730:     # Break the tie on the first name, but there are leading (possibly trailing
                    731:     # whitespaces to get rid of first 
                    732:     #
                    733:     $f1 =~ s/^\s+//;		# Remove leading...
                    734:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                    735:     
                    736:     $f2 =~ s/^\s+//;
                    737:     $f2 =~ s/\s+$//;		# And the same for first 2...
                    738: 
                    739:     if($f1 lt $f2) {
                    740: 	return -1;
                    741:     }
                    742:     if($f1 gt $f2) {
                    743: 	return 1;
                    744:     }
                    745:     
                    746:     #  Must be the same name.
                    747: 
                    748:     return 0;
                    749: }
                    750: 
1.71      sakharuk  751: sub latex_header_footer_remove {
                    752:     my $text = shift;
                    753:     $text =~ s/\\end{document}//;
                    754:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                    755:     return $text;
                    756: }
1.423     foxr      757: #
                    758: #  If necessary, encapsulate text inside 
                    759: #  a minipage env.
                    760: #  necessity is determined by the problem_split param.
                    761: #
                    762: sub encapsulate_minipage {
                    763:     my ($text) = @_;
1.427     albertel  764:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr      765: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                    766:     }
                    767:     return $text;
                    768: }
1.429     foxr      769: #
                    770: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                    771: #  variables interact, this sub looks at these two parameters
                    772: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                    773: #     all     - if SPLIT_PDFS eq 'all'.
                    774: #     1       - if SPLIT_PDFS eq 'oneper'
                    775: #     section - if SPLIT_PDFS eq 'sections'
                    776: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                    777: #
                    778: sub adjust_number_to_print {
                    779:     my $helper = shift;
1.71      sakharuk  780: 
1.429     foxr      781:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                    782:     
                    783:     if ($split_pdf eq 'all') {
                    784: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                    785:     } elsif ($split_pdf eq 'oneper') {
                    786: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                    787:     } elsif ($split_pdf eq 'sections') {
                    788: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                    789:     } elsif ($split_pdf eq 'usenumber') {
                    790: 	#  Unmodified.
                    791:     } else {
                    792: 	# Error!!!!
1.536     foxr      793: 	
                    794: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr      795: 
                    796:     }
                    797: }
1.71      sakharuk  798: 
1.531     foxr      799: 
1.37      sakharuk  800: sub character_chart {
1.531     foxr      801:     my $result = shift;
                    802:     return  &Apache::entities::replace_entities($result);
                    803: }
                    804: 
                    805: sub old_character_chart {
1.37      sakharuk  806:     my $result = shift;	
1.116     sakharuk  807:     $result =~ s/&\#0?0?(7|9);//g;
                    808:     $result =~ s/&\#0?(10|13);//g;
                    809:     $result =~ s/&\#0?32;/ /g;
                    810:     $result =~ s/&\#0?33;/!/g;
                    811:     $result =~ s/&(\#0?34|quot);/\"/g;
                    812:     $result =~ s/&\#0?35;/\\\#/g;
                    813:     $result =~ s/&\#0?36;/\\\$/g;
                    814:     $result =~ s/&\#0?37;/\\%/g; 
                    815:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                    816:     $result =~ s/&\#(0?39|146);/\'/g;
                    817:     $result =~ s/&\#0?40;/(/g;
                    818:     $result =~ s/&\#0?41;/)/g;
                    819:     $result =~ s/&\#0?42;/\*/g;
                    820:     $result =~ s/&\#0?43;/\+/g;
                    821:     $result =~ s/&\#(0?44|130);/,/g;
                    822:     $result =~ s/&\#0?45;/-/g;
                    823:     $result =~ s/&\#0?46;/\./g;
                    824:     $result =~ s/&\#0?47;/\//g;
                    825:     $result =~ s/&\#0?48;/0/g;
                    826:     $result =~ s/&\#0?49;/1/g;
                    827:     $result =~ s/&\#0?50;/2/g;
                    828:     $result =~ s/&\#0?51;/3/g;
                    829:     $result =~ s/&\#0?52;/4/g;
                    830:     $result =~ s/&\#0?53;/5/g;
                    831:     $result =~ s/&\#0?54;/6/g;
                    832:     $result =~ s/&\#0?55;/7/g;
                    833:     $result =~ s/&\#0?56;/8/g;
                    834:     $result =~ s/&\#0?57;/9/g;
1.269     albertel  835:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk  836:     $result =~ s/&\#0?59;/;/g;
                    837:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk  838:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                    839:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk  840:     $result =~ s/&\#0?63;/\?/g;
                    841:     $result =~ s/&\#0?65;/A/g;
                    842:     $result =~ s/&\#0?66;/B/g;
                    843:     $result =~ s/&\#0?67;/C/g;
                    844:     $result =~ s/&\#0?68;/D/g;
                    845:     $result =~ s/&\#0?69;/E/g;
                    846:     $result =~ s/&\#0?70;/F/g;
                    847:     $result =~ s/&\#0?71;/G/g;
                    848:     $result =~ s/&\#0?72;/H/g;
                    849:     $result =~ s/&\#0?73;/I/g;
                    850:     $result =~ s/&\#0?74;/J/g;
                    851:     $result =~ s/&\#0?75;/K/g;
                    852:     $result =~ s/&\#0?76;/L/g;
                    853:     $result =~ s/&\#0?77;/M/g;
                    854:     $result =~ s/&\#0?78;/N/g;
                    855:     $result =~ s/&\#0?79;/O/g;
                    856:     $result =~ s/&\#0?80;/P/g;
                    857:     $result =~ s/&\#0?81;/Q/g;
                    858:     $result =~ s/&\#0?82;/R/g;
                    859:     $result =~ s/&\#0?83;/S/g;
                    860:     $result =~ s/&\#0?84;/T/g;
                    861:     $result =~ s/&\#0?85;/U/g;
                    862:     $result =~ s/&\#0?86;/V/g;
                    863:     $result =~ s/&\#0?87;/W/g;
                    864:     $result =~ s/&\#0?88;/X/g;
                    865:     $result =~ s/&\#0?89;/Y/g;
                    866:     $result =~ s/&\#0?90;/Z/g;
                    867:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk  868:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk  869:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk  870:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk  871:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                    872:     $result =~ s/&\#(0?96|145);/\`/g;
                    873:     $result =~ s/&\#0?97;/a/g;
                    874:     $result =~ s/&\#0?98;/b/g;
                    875:     $result =~ s/&\#0?99;/c/g;
                    876:     $result =~ s/&\#100;/d/g;
                    877:     $result =~ s/&\#101;/e/g;
                    878:     $result =~ s/&\#102;/f/g;
                    879:     $result =~ s/&\#103;/g/g;
                    880:     $result =~ s/&\#104;/h/g;
                    881:     $result =~ s/&\#105;/i/g;
                    882:     $result =~ s/&\#106;/j/g;
                    883:     $result =~ s/&\#107;/k/g;
                    884:     $result =~ s/&\#108;/l/g;
                    885:     $result =~ s/&\#109;/m/g;
                    886:     $result =~ s/&\#110;/n/g;
                    887:     $result =~ s/&\#111;/o/g;
                    888:     $result =~ s/&\#112;/p/g;
                    889:     $result =~ s/&\#113;/q/g;
                    890:     $result =~ s/&\#114;/r/g;
                    891:     $result =~ s/&\#115;/s/g;
                    892:     $result =~ s/&\#116;/t/g;
                    893:     $result =~ s/&\#117;/u/g;
                    894:     $result =~ s/&\#118;/v/g;
                    895:     $result =~ s/&\#119;/w/g;
                    896:     $result =~ s/&\#120;/x/g;
                    897:     $result =~ s/&\#121;/y/g;
                    898:     $result =~ s/&\#122;/z/g;
                    899:     $result =~ s/&\#123;/\\{/g;
                    900:     $result =~ s/&\#124;/\|/g;
                    901:     $result =~ s/&\#125;/\\}/g;
                    902:     $result =~ s/&\#126;/\~/g;
                    903:     $result =~ s/&\#131;/\\textflorin /g;
                    904:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk  905:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                    906:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                    907:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk  908:     $result =~ s/&\#137;/\\textperthousand /g;
                    909:     $result =~ s/&\#140;/{\\OE}/g;
                    910:     $result =~ s/&\#147;/\`\`/g;
                    911:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk  912:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel  913:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk  914:     $result =~ s/&\#151;/---/g;
1.281     sakharuk  915:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk  916:     $result =~ s/&\#153;/\\texttrademark /g;
                    917:     $result =~ s/&\#156;/\\oe/g;
                    918:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel  919:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk  920:     $result =~ s/&(\#161|iexcl);/!\`/g;
                    921:     $result =~ s/&(\#162|cent);/\\textcent /g;
                    922:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                    923:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                    924:     $result =~ s/&(\#165|yen);/\\textyen /g;
                    925:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                    926:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr      927:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk  928:     $result =~ s/&(\#169|copy);/\\copyright /g;
                    929:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk  930:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk  931:     $result =~ s/&(\#173|shy);/ - /g;
                    932:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk  933:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                    934:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                    935:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                    936:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                    937:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr      938:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk  939:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk  940:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk  941:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk  942:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk  943:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk  944:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                    945:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                    946:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                    947:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                    948:     $result =~ s/&(\#191|iquest);/?\`/g;   
                    949:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                    950:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                    951:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                    952:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                    953:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                    954:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                    955:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                    956:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                    957:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                    958:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                    959:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                    960:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                    961:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                    962:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                    963:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                    964:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                    965:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                    966:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                    967:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                    968:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                    969:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                    970:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk  971:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk  972:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                    973:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                    974:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                    975:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                    976:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                    977:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk  978:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk  979:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                    980:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                    981:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                    982:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                    983:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                    984:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                    985:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                    986:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                    987:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                    988:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                    989:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                    990:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                    991:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                    992:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                    993:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                    994:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk  995:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk  996:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                    997:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                    998:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                    999:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1000:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1001:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1002:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1003:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1004:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1005:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1006:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1007:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1008:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1009:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1010:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1011:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1012: #Greek Alphabet
1.281     sakharuk 1013:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1014:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1015:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1016:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1017:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1018:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1019:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1020:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1021:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1022:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1023:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1024:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1025:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1026:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1027:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1028:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1029:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1030:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1031:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1032:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1033:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1034:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1035:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1036:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1037:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1038:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1039:     $result =~ s/&(Alpha|\#913);/A/g;
                   1040:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1041:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1042:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1043:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1044:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1045:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1046:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1047:     $result =~ s/&(Iota|\#921);/I/g;
                   1048:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1049:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1050:     $result =~ s/&(Mu|\#924);/M/g;
                   1051:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1052:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1053:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1054:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1055:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1056:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1057:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1058:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1059:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1060:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1061:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1062:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1063: #Arrows (extended HTML 4.01)
1.281     sakharuk 1064:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1065:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1066:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1067:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1068:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1069:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1070:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1071:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1072:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1073:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1074: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1075:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1076:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1077:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1078:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1079:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1080:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1081:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1082:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1083:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1084:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1085:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1086:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1087:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1088:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1089:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1090:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1091:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1092:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1093:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1094:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1095:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1096:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1097:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1098:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1099:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1100:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1101:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1102:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1103:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1104:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1105:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1106:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1107:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1108:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1109:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1110:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1111:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1112:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1113: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1114:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1115: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1116:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1117:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1118:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1119:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1120: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1121: 
1.495     foxr     1122:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1123:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1124:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1125:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1126:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1127:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1128:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1129:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1130:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1131:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1132:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1133:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1134:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1135: 
                   1136:     # Left/right quotations:
                   1137: 
                   1138:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1139:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1140: 
                   1141: 
1.559     foxr     1142: 
1.37      sakharuk 1143:     return $result;
                   1144: }
1.41      sakharuk 1145: 
                   1146: 
1.327     albertel 1147:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1148: my %page_formats=
                   1149:     ('letter' => {
                   1150: 	 'book' => {
1.493     foxr     1151: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1152: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1153: 	 },
                   1154: 	 'album' => {
1.496     foxr     1155: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1156: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1157: 	 },
                   1158:      },
                   1159:      'legal' => {
                   1160: 	 'book' => {
                   1161: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1162: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1163: 	 },
                   1164: 	 'album' => {
1.376     albertel 1165: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1166:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1167:           },
                   1168:      },
                   1169:      'tabloid' => {
                   1170: 	 'book' => {
                   1171: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1172: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1173: 	 },
                   1174: 	 'album' => {
1.376     albertel 1175: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1176: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1177:           },
                   1178:      },
                   1179:      'executive' => {
                   1180: 	 'book' => {
                   1181: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1182: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1183: 	 },
                   1184: 	 'album' => {
                   1185: 	     '1' => [],
                   1186: 	     '2' => []
                   1187:           },
                   1188:      },
                   1189:      'a2' => {
                   1190: 	 'book' => {
                   1191: 	     '1' => [],
                   1192: 	     '2' => []
                   1193: 	 },
                   1194: 	 'album' => {
                   1195: 	     '1' => [],
                   1196: 	     '2' => []
                   1197:           },
                   1198:      },
                   1199:      'a3' => {
                   1200: 	 'book' => {
                   1201: 	     '1' => [],
                   1202: 	     '2' => []
                   1203: 	 },
                   1204: 	 'album' => {
                   1205: 	     '1' => [],
                   1206: 	     '2' => []
                   1207:           },
                   1208:      },
                   1209:      'a4' => {
                   1210: 	 'book' => {
1.493     foxr     1211: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1212: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1213: 	 },
                   1214: 	 'album' => {
1.496     foxr     1215: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1216: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1217: 	 },
                   1218:      },
                   1219:      'a5' => {
                   1220: 	 'book' => {
                   1221: 	     '1' => [],
                   1222: 	     '2' => []
                   1223: 	 },
                   1224: 	 'album' => {
                   1225: 	     '1' => [],
                   1226: 	     '2' => []
                   1227:           },
                   1228:      },
                   1229:      'a6' => {
                   1230: 	 'book' => {
                   1231: 	     '1' => [],
                   1232: 	     '2' => []
                   1233: 	 },
                   1234: 	 'album' => {
                   1235: 	     '1' => [],
                   1236: 	     '2' => []
                   1237:           },
                   1238:      },
                   1239:      );
                   1240: 
1.177     sakharuk 1241: sub page_format {
1.140     sakharuk 1242: #
1.326     sakharuk 1243: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1244: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1245: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1246: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1247: #                        "A6 [105x148 mm]"
1.140     sakharuk 1248: # 
                   1249:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1250:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1251: }
1.76      sakharuk 1252: 
                   1253: 
1.126     albertel 1254: sub get_name {
                   1255:     my ($uname,$udom)=@_;
1.373     albertel 1256:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1257:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1258:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1259:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1260:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1261:     return $plainname;
1.126     albertel 1262: }
                   1263: 
1.213     albertel 1264: sub get_course {
                   1265:     my $courseidinfo;
1.373     albertel 1266:     if (defined($env{'request.course.id'})) {
1.439     www      1267: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1268: 	my $sec = $env{'request.course.sec'};
                   1269: 	    
1.213     albertel 1270:     }
                   1271:     return $courseidinfo;
                   1272: }
1.177     sakharuk 1273: 
1.76      sakharuk 1274: sub page_format_transformation {
1.312     sakharuk 1275:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1276:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1277: 
1.312     sakharuk 1278:     if ($selectionmade eq '4') {
1.502     foxr     1279: 	if ($choice eq 'all_problems') {
1.561     bisitz   1280:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1281: 	} else {
1.561     bisitz   1282:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1283: 	}
1.312     sakharuk 1284:     } else {
                   1285: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1286:     }
1.261     sakharuk 1287:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1288: 
                   1289: 
1.126     albertel 1290:     my $name = &get_name();
1.213     albertel 1291:     my $courseidinfo = &get_course();
1.455     albertel 1292:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1293:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1294: 					   $courseidinfo, $name);
1.319     sakharuk 1295:     my $topmargintoinsert = '';
                   1296:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1297:     my $fancypagestatement='';
                   1298:     if ($numberofcolumns eq '2') {
1.455     albertel 1299: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1300:     } else {
1.455     albertel 1301: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1302:     }
1.140     sakharuk 1303:     if ($layout eq 'album') {
1.550     foxr     1304: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1305:     } elsif ($layout eq 'book') {
                   1306: 	if ($choice ne 'All class print') { 
1.550     foxr     1307: 	    $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 1308: 	} else {
1.550     foxr     1309: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1310: 	}
1.326     sakharuk 1311: 	if ($papersize eq 'a4') {
1.319     sakharuk 1312: 	    $text =~ s/(\\begin{document})/$1\\special{papersize=210mm,297mm}/;
1.140     sakharuk 1313: 	}
                   1314:     }
1.214     sakharuk 1315:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1316:     if ($indexlist eq 'yes') {
                   1317: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1318: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1319:     }
1.140     sakharuk 1320:     return $text;
                   1321: }
                   1322: 
                   1323: 
1.33      sakharuk 1324: sub page_cleanup {
                   1325:     my $result = shift;	
1.65      sakharuk 1326:  
                   1327:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1328:     my $number_of_columns = $1;
1.33      sakharuk 1329:     my $insert = '{';
1.34      sakharuk 1330:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1331:     $insert .= '}';
1.65      sakharuk 1332:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1333:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1334:     return $result,$number_of_columns;
1.7       sakharuk 1335: }
1.5       sakharuk 1336: 
1.3       sakharuk 1337: 
1.60      sakharuk 1338: sub details_for_menu {
1.335     albertel 1339:     my ($helper)=@_;
1.373     albertel 1340:     my $postdata=$env{'form.postdata'};
1.335     albertel 1341:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1342:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1343:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1344:     return if ( $symbolic eq '');
                   1345: 
1.233     www      1346:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1347:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1348:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1349:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1350: 	$map =~ m|([^/]+)$|;
                   1351: 	$name_of_sequence = $1;
1.63      albertel 1352:     }
1.373     albertel 1353:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1354:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1355: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1356: 	$name_of_map = $1;
                   1357:     }
1.335     albertel 1358:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1359: }
                   1360: 
1.476     albertel 1361: sub copyright_line {
                   1362:     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 } ';
                   1363: }
                   1364: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1365: 
                   1366: sub latex_corrections {
1.408     albertel 1367:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1368: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1369:     my $copyright = &copyright_line();
1.408     albertel 1370:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1371: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1372:     } else {
1.476     albertel 1373: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1374:     }
1.476     albertel 1375:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1376:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1377:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1378: #-- LaTeX corrections     
                   1379:     my $first_comment = index($result,'<!--',0);
                   1380:     while ($first_comment != -1) {
                   1381: 	my $end_comment = index($result,'-->',$first_comment);
                   1382: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1383: 	$first_comment = index($result,'<!--',$first_comment);
                   1384:     }
                   1385:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1386:     #removes more than one empty space
                   1387:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1388:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1389:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1390:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1391:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1392:     #conversion of html characters to LaTeX equivalents
                   1393:     if ($result =~ m/&(\w+|#\d+);/) {
                   1394: 	$result = &character_chart($result);
                   1395:     }
                   1396:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1397:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1398:     return $result;
1.60      sakharuk 1399: }
                   1400: 
1.3       sakharuk 1401: 
1.214     sakharuk 1402: sub index_table {
                   1403:     my $currentURL = shift;
                   1404:     my $insex_string='';
                   1405:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1406:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1407:     return $insex_string;
                   1408: }
                   1409: 
                   1410: 
1.215     sakharuk 1411: sub IndexCreation {
                   1412:     my ($texversion,$currentURL)=@_;
                   1413:     my @key_words=split(/,/,&index_table($currentURL));
                   1414:     my $chunk='';
                   1415:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1416:     if ($st>0) {
                   1417: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1418: 	$chunk=substr($texversion,0,$st+1);
                   1419: 	substr($texversion,0,$st+1)=' ';
                   1420:     }
                   1421:     foreach my $key_word (@key_words) {
                   1422: 	if ($key_word=~/\S+/) {
                   1423: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1424: 	}
                   1425:     }			
                   1426:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1427:     return $texversion;
                   1428: }
                   1429: 
1.242     sakharuk 1430: sub print_latex_header {
                   1431:     my $mode=shift;
1.550     foxr     1432: 
                   1433:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1434: }
                   1435: 
                   1436: sub path_to_problem {
1.328     albertel 1437:     my ($urlp,$colwidth)=@_;
1.404     albertel 1438:     $urlp=&Apache::lonnet::clutter($urlp);
                   1439: 
1.242     sakharuk 1440:     my $newurlp = '';
1.328     albertel 1441:     $colwidth=~s/\s*mm\s*$//;
                   1442: #characters average about 2 mm in width
1.360     albertel 1443:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1444: 	my @elements = split('/',$urlp);
1.328     albertel 1445: 	my $curlength=0;
                   1446: 	foreach my $element (@elements) {
1.404     albertel 1447: 	    if ($element eq '') { next; }
1.328     albertel 1448: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1449: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1450: 		$curlength=length($element)*2;
1.328     albertel 1451: 	    } else {
                   1452: 		$curlength+=length($element)*2;
1.242     sakharuk 1453: 	    }
1.328     albertel 1454: 	    $newurlp.='/'.$element;
1.242     sakharuk 1455: 	}
1.253     sakharuk 1456:     } else {
                   1457: 	$newurlp=$urlp;
1.242     sakharuk 1458:     }
                   1459:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1460: }
1.215     sakharuk 1461: 
1.275     sakharuk 1462: sub recalcto_mm {
                   1463:     my $textwidth=shift;
                   1464:     my $LaTeXwidth;
1.339     albertel 1465:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1466: 	$LaTeXwidth = $1*10;
1.339     albertel 1467:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1468: 	$LaTeXwidth = $1;
1.339     albertel 1469:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1470: 	$LaTeXwidth = $1*25.4;
                   1471:     }
                   1472:     $LaTeXwidth.=' mm';
                   1473:     return $LaTeXwidth;
                   1474: }
                   1475: 
1.285     albertel 1476: sub get_textwidth {
                   1477:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1478:     my $textwidth=$LaTeXwidth;
1.285     albertel 1479:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1480: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1481: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1482: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1483:     }
1.286     albertel 1484:     return $textwidth;
1.285     albertel 1485: }
                   1486: 
1.296     sakharuk 1487: 
                   1488: sub unsupported {
1.414     albertel 1489:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1490:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1491:     my $result.= &print_latex_header($mode);
1.414     albertel 1492:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1493: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1494: 	my $title=&Apache::lonnet::gettitle($symb);
                   1495: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1496: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1497:     } else {
                   1498: 	$result.=$currentURL;
                   1499:     }
1.419     albertel 1500:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1501:     return $result;
                   1502: }
                   1503: 
1.559     foxr     1504: #
                   1505: #  Map from helper layout style to the book/album:
                   1506: #
                   1507: sub map_laystyle {
                   1508:     my ($laystyle) = @_;
                   1509:     if ($laystyle eq 'L') {
                   1510: 	$laystyle='album';
                   1511:     } else {
                   1512: 	$laystyle='book';
                   1513:     }
                   1514:     return $laystyle;
                   1515: }
                   1516: 
                   1517: sub print_page_in_course {
                   1518:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
                   1519:     my %parmhash       = %$rparmhash;
                   1520:     my @page_resources = @$resources;
                   1521:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1522:     my $symb = $helper->{'VARS'}->{'symb'};
                   1523: 
                   1524: 
                   1525:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1526: 
                   1527: 
                   1528:     my @temporary_array=split /\|/,$format_from_helper;
                   1529:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1530:     $laystyle = &map_laystyle($laystyle);
                   1531:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1532: 								      $numberofcolumns);
                   1533:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1534: 
                   1535: 
                   1536:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1537:     my $result   =    &print_latex_header($mode);
1.559     foxr     1538:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1539: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1540: 	my $title=&Apache::lonnet::gettitle($symb);
                   1541: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1542:     } else {
                   1543: 	$result.=$currentURL;
                   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: 						       $resource_src, \@page_resources);
                   1570: 	}
                   1571: 	# these resources go through the XML transformer:
                   1572: 
                   1573: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm\xhtml|xhtm)$/)  {		
                   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);
                   1584: 	    $form{'pdfFormFiels'} = $pdfFormFields; # 
                   1585: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1586: 	    
                   1587: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1588: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1589: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1590: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1591: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1592: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1593: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1594: 		$form{'problem_split'}='yes';
                   1595: 	    }
                   1596: 	    my $rndseed = time;
                   1597: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1598: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1599: 	    }
                   1600: 	    $form{'rndseed'}=$rndseed;
                   1601: 	    &Apache::lonnet::appenv(\%moreenv);
                   1602: 	    
                   1603: 	    &Apache::lonxml::clear_problem_counter();
                   1604: 
                   1605: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1606: 
                   1607: 
                   1608: 	    # current document with answers.. no need to encap in minipage
                   1609: 	    #  since there's only one answer.
                   1610: 
                   1611: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1612: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1613: 		my %answerform = %form;
                   1614: 
                   1615: 
                   1616: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1617: 		$answerform{'grade_target'}='answer';
                   1618: 		$answerform{'answer_output_mode'}='tex';
                   1619: 		$answerform{'rndseed'}=$rndseed;
                   1620:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1621: 		    $answerform{'problemtype'}='exam';
                   1622: 		}
                   1623: 		$resources_printed .= $urlp.':';
                   1624: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1625: 
                   1626: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1627: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1628: 		} else {
1.562     foxr     1629: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1630: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1631: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1632: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1633: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1634: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1635: 		    } else {
                   1636: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   1637: 			my $URLpath=$urlp;
                   1638: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   1639: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
                   1640: 		    }
                   1641: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1642: 		}
                   1643: 
                   1644: 
                   1645: 		
                   1646: 
                   1647: 	    
                   1648: 	    }
                   1649: 	    # Print annotations.
                   1650: 
                   1651: 
                   1652: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1653: 		my $annotation .= &annotate($currentURL);
                   1654: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1655: 	    }
                   1656: 	    
                   1657: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1658: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1659: 	    }
                   1660: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1661: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1662: 
                   1663: 	    }
1.562     foxr     1664: 	    $texversion = &latex_header_footer_remove($texversion);
                   1665: 
                   1666: 	    # the first remaining line is a comment from londefdef the second
                   1667: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1668:             # (imperfect removal from header_footer_remove?
                   1669: 
                   1670: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1671: 
1.559     foxr     1672: 	    $result .= $texversion;
                   1673: 	    if ($currentURL=~m/\.page\s*$/) {
                   1674: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1675: 	    }
                   1676: 	}
                   1677:     }
                   1678: 
                   1679:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1680:     return $result;
                   1681: }
                   1682: 
1.296     sakharuk 1683: 
1.363     foxr     1684: #
1.395     www      1685: # List of recently generated print files
                   1686: #
                   1687: sub recently_generated {
                   1688:     my $r=shift;
                   1689:     my $prtspool=$r->dir_config('lonPrtDir');
1.400     albertel 1690:     my $zip_result;
                   1691:     my $pdf_result;
1.395     www      1692:     opendir(DIR,$prtspool);
1.400     albertel 1693: 
                   1694:     my @files = 
                   1695: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1696:     closedir(DIR);
1.400     albertel 1697: 
                   1698:     @files = sort {
                   1699: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1700: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1701: 	return $bctime <=> $actime;
                   1702:     } (@files);
                   1703: 
                   1704:     foreach my $filename (@files) {
                   1705: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   1706: 	my ($cdev,$cino,$cmode,$cnlink,
                   1707: 	    $cuid,$cgid,$crdev,$csize,
                   1708: 	    $catime,$cmtime,$cctime,
                   1709: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   1710:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   1711: 	my $result=&Apache::loncommon::start_data_table_row()
                   1712:                   .'<td>'
                   1713:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   1714:                   .'</td>'
                   1715:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   1716:                   .'<td align="right">'.$csize.'</td>'
                   1717:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 1718: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   1719: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   1720:     }
1.544     bisitz   1721:     if ($zip_result || $pdf_result) {
                   1722:         $r->print('<hr />');
                   1723:     }
1.400     albertel 1724:     if ($zip_result) {
1.544     bisitz   1725: 	$r->print('<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
                   1726:                   .&Apache::loncommon::start_data_table()
                   1727:                   .&Apache::loncommon::start_data_table_header_row()
                   1728:                   .'<th>'.&mt('Download').'</th>'
                   1729:                   .'<th>'.&mt('Creation Date').'</th>'
                   1730:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1731:                   .&Apache::loncommon::end_data_table_header_row()
                   1732:                   .$zip_result
                   1733:                   .&Apache::loncommon::end_data_table()
                   1734:         );
1.400     albertel 1735:     }
                   1736:     if ($pdf_result) {
1.544     bisitz   1737: 	$r->print('<h3>'.&mt('Recently generated printouts')."</h3>\n"
                   1738:                   .&Apache::loncommon::start_data_table()
                   1739:                   .&Apache::loncommon::start_data_table_header_row()
                   1740:                   .'<th>'.&mt('Download').'</th>'
                   1741:                   .'<th>'.&mt('Creation Date').'</th>'
                   1742:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   1743:                   .&Apache::loncommon::end_data_table_header_row()
                   1744:                   .$pdf_result
                   1745:                   .&Apache::loncommon::end_data_table()
                   1746:         );
1.396     albertel 1747:     }
1.395     www      1748: }
                   1749: 
                   1750: #
1.363     foxr     1751: #   Retrieve the hash of page breaks.
                   1752: #
                   1753: #  Inputs:
                   1754: #    helper   - reference to helper object.
                   1755: #  Outputs
                   1756: #    A reference to a page break hash.
                   1757: #
                   1758: #
1.562     foxr     1759: # use Data::Dumper;
1.418     foxr     1760: #sub dump_helper_vars {
                   1761: #    my ($helper) = @_;
                   1762: #    my $helpervars = Dumper($helper->{'VARS'});
                   1763: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   1764: #}
1.363     foxr     1765: 
1.481     albertel 1766: sub get_page_breaks  {
                   1767:     my ($helper) = @_;
                   1768:     my %page_breaks;
                   1769: 
                   1770:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   1771: 	$page_breaks{$break} = 1;
                   1772:     }
                   1773:     return %page_breaks;
                   1774: }
1.363     foxr     1775: 
1.459     foxr     1776: #  Output a sequence (recursively if neeed)
                   1777: #  from construction space.
                   1778: # Parameters:
                   1779: #    url     = URL of the sequence to print.
                   1780: #    helper  - Reference to the helper hash.
                   1781: #    form    - Copy of the format hash.
                   1782: #    LaTeXWidth
                   1783: # Returns:
                   1784: #   Text to add to the printout.
                   1785: #   NOTE if the first element of the outermost sequence
                   1786: #   is itself a sequence, the outermost caller may need to
                   1787: #   prefix the latex with the page headers stuff.
                   1788: #
                   1789: sub print_construction_sequence {
                   1790:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
                   1791:     my $result;
                   1792:     my $rndseed=time;
                   1793:     if ($helper->{'VARS'}->{'curseed'}) {
                   1794: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   1795:     }
1.491     albertel 1796:     my $errtext=&LONCAPA::map::mapread($currentURL);
1.459     foxr     1797:     # 
                   1798:     #  These make this all support recursing for subsequences.
                   1799:     #
1.491     albertel 1800:     my @order    = @LONCAPA::map::order;
                   1801:     my @resources = @LONCAPA::map::resources; 
1.459     foxr     1802:     for (my $member=0;$member<=$#order;$member++) {
                   1803: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   1804: 	my $urlp=$2;
                   1805: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   1806: 	    my $texversion='';
                   1807: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   1808: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1809: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1810: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1811: 		$form{'rndseed'}=$rndseed;
                   1812: 		$resources_printed .=$urlp.':';
1.515     foxr     1813: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     1814: 	    }
                   1815: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1816: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
                   1817: 	       ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page)$/)) {
                   1818: 		#  Don't permanently modify %$form...
                   1819: 		my %answerform = %form;
                   1820: 		$answerform{'grade_target'}='answer';
                   1821: 		$answerform{'answer_output_mode'}='tex';
                   1822: 		$answerform{'rndseed'}=$rndseed;
                   1823: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 1824: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     1825: 		$resources_printed .= $urlp.':';
1.515     foxr     1826: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     1827: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1828: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1829: 		} else {
                   1830: 		    # If necessary, encapsulate answer in minipage:
                   1831: 		    
                   1832: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 1833: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1834: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   1835: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     1836: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   1837: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   1838: 		    $body = &encapsulate_minipage($body);
                   1839: 		    $texversion.=$body;
                   1840: 		}
                   1841: 	    }
                   1842: 	    $texversion = &latex_header_footer_remove($texversion);
                   1843: 
                   1844: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1845: 		$texversion=&IndexCreation($texversion,$urlp);
                   1846: 	    }
                   1847: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1848: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   1849: 	    }
                   1850: 	    $result.=$texversion;
                   1851: 
                   1852: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     1853:  
1.459     foxr     1854: 	    # header:
                   1855: 
                   1856: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   1857: 
                   1858: 	    # IF sequence, recurse:
                   1859: 	    
                   1860: 	    if ($urlp =~ /\.sequence$/) {
                   1861: 		my $sequence_url = $urlp;
                   1862: 		my $domain       = $env{'user.domain'};	# Constr. space only on local
                   1863: 		my $user         = $env{'user.name'};
                   1864: 
                   1865: 		$sequence_url    =~ s/^\/res\/$domain/\/home/;
                   1866: 		$sequence_url    =~ s/^(\/home\/$user)/$1\/public_html/;
                   1867: #		$sequence_url    =~ s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
                   1868: 		$result .= &print_construction_sequence($sequence_url, 
                   1869: 							$helper, %form, 
                   1870: 							$LaTeXwidth);
                   1871: 	    }
1.550     foxr     1872: 	}
                   1873: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     1874: 	    my $texversion;
                   1875: 	    if ($member != 0) {
                   1876: 		$texversion .= '\cleardoublepage';
                   1877: 	    }
                   1878: 
                   1879: 	    $texversion .= &include_pdf($urlp);
                   1880: 	    $texversion = &latex_header_footer_remove($texversion);
                   1881: 	    if ($member != $#order) {
                   1882: 		$texversion .= '\\ \cleardoublepage';
                   1883: 	    }
1.551     foxr     1884: 	    
                   1885: 	    $result .= $texversion;
1.550     foxr     1886: 	}
1.459     foxr     1887:     }
                   1888:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   1889:     return $result;
                   1890: }
                   1891: 
1.177     sakharuk 1892: sub output_data {
1.568.4.2  raeburn  1893:     my ($r,$helper,$rparmhash,$is_custom) = @_;
1.184     sakharuk 1894:     my %parmhash = %$rparmhash;
1.515     foxr     1895:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     1896:     $resources_printed = '';
1.556     foxr     1897:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.499     foxr     1898:     my $do_postprocessing = 1;
1.433     albertel 1899:     my $js = <<ENDPART;
                   1900: <script type="text/javascript">
1.264     sakharuk 1901:     var editbrowser;
                   1902:     function openbrowser(formname,elementname,only,omit) {
                   1903:         var url = '/res/?';
                   1904:         if (editbrowser == null) {
                   1905:             url += 'launch=1&';
                   1906:         }
                   1907:         url += 'catalogmode=interactive&';
                   1908:         url += 'mode=parmset&';
                   1909:         url += 'form=' + formname + '&';
                   1910:         if (only != null) {
                   1911:             url += 'only=' + only + '&';
                   1912:         } 
                   1913:         if (omit != null) {
                   1914:             url += 'omit=' + omit + '&';
                   1915:         }
                   1916:         url += 'element=' + elementname + '';
                   1917:         var title = 'Browser';
                   1918:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   1919:         options += ',width=700,height=600';
                   1920:         editbrowser = open(url,title,options,'1');
                   1921:         editbrowser.focus();
                   1922:     }
                   1923: </script>
1.140     sakharuk 1924: ENDPART
                   1925: 
1.512     foxr     1926: 
1.558     bisitz   1927:     # Breadcrumbs
                   1928:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   1929:     my $brcrum = [{'href' => '',
                   1930:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   1931:                   {'href' => '',
                   1932:                    'text' => 'Preparing Printout'}];
                   1933: 
1.568.4.2  raeburn  1934:     if ($is_custom) {
                   1935:         $brcrum = [{'href' => '',
                   1936:                    'text' => 'Preparing Printout'}];
                   1937:     }
                   1938: 
1.558     bisitz   1939:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   1940:                                                      $js,
                   1941:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 1942:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     1943: 
1.433     albertel 1944:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     1945: 
1.363     foxr     1946:     # fetch the pagebreaks and store them in the course environment
                   1947:     # The page breaks will be pulled into the hash %page_breaks which is
                   1948:     # indexed by symb and contains 1's for each break.
                   1949: 
1.373     albertel 1950:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
                   1951:     $env{'form.lastprinttype'} = $helper->{'VARS'}->{'PRINT_TYPE'}; 
1.363     foxr     1952:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     1953: 					      {'pagebreaks'    => 'scalar',
                   1954: 					       'lastprinttype' => 'scalar'});
1.363     foxr     1955: 
1.364     albertel 1956:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     1957: 
1.140     sakharuk 1958:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1959:     my ($result,$selectionmade) = ('','');
                   1960:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   1961:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    1962:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     1963: 
                   1964:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 1965:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 1966:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 1967:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 1968:     my @print_array=();
1.274     sakharuk 1969:     my @student_names=();
1.360     albertel 1970: 
1.512     foxr     1971:      
1.360     albertel 1972:     #  Common settings for the %form has:
                   1973:     # In some cases these settings get overriddent by specific cases, but the
                   1974:     # settings are common enough to make it worthwhile factoring them out
                   1975:     # here.
                   1976:     #
                   1977:     my %form;
                   1978:     $form{'grade_target'} = 'tex';
                   1979:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    1980:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     1981: 
                   1982:     # If form.showallfoils is set, then request all foils be shown:
                   1983:     # privilege will be enforced both by not allowing the 
                   1984:     # check box selecting this option to be presnt unless it's ok,
                   1985:     # and by lonresponse's priv. check.
                   1986:     # The if is here because lonresponse.pm only cares that
                   1987:     # showallfoils is defined, not what the value is.
                   1988: 
                   1989:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   1990: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   1991:     }
1.504     albertel 1992:     
                   1993:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  1994: 	&Apache::lonnet::appenv({'construct.style' =>
                   1995: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 1996:     } elsif ($env{'construct.style'}) {
1.549     raeburn  1997: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 1998:     }
                   1999: 
1.140     sakharuk 2000:     if ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'current_document') {
1.143     sakharuk 2001:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2002: 	my ($currentURL,$cleanURL);
1.375     foxr     2003: 
1.162     sakharuk 2004: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2005:             #prints published resource
1.153     sakharuk 2006: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2007: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2008: 	} else {
1.512     foxr     2009: 
1.185     sakharuk 2010:             #prints resource from the construction space
1.240     albertel 2011: 	    $currentURL='/'.$helper->{'VARS'}->{'filename'};
1.206     sakharuk 2012: 	    if ($currentURL=~/([^?]+)/) {$currentURL=$1;}
1.343     albertel 2013: 	    $cleanURL=$currentURL;
1.143     sakharuk 2014: 	}
1.140     sakharuk 2015: 	$selectionmade = 1;
1.413     albertel 2016: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2017: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2018: 	    my $rndseed=time;
1.242     sakharuk 2019: 	    my $texversion='';
                   2020: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2021: 		my %moreenv;
1.343     albertel 2022: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2023:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2024: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2025: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2026: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2027: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2028: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2029: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2030: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2031: 		    $form{'problem_split'}='yes';
                   2032: 		}
1.242     sakharuk 2033: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2034: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2035: 		}
                   2036: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2037: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2038: 
                   2039: 		&Apache::lonxml::clear_problem_counter();
                   2040: 
1.375     foxr     2041: 		$resources_printed .= $currentURL.':';
1.515     foxr     2042: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2043: 
1.511     foxr     2044: 		#  Add annotations if required:
                   2045: 	    
1.428     albertel 2046: 		&Apache::lonxml::clear_problem_counter();
                   2047: 
1.242     sakharuk 2048: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2049: 	    }
1.423     foxr     2050: 	    # current document with answers.. no need to encap in minipage
                   2051: 	    #  since there's only one answer.
                   2052: 
1.242     sakharuk 2053: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2054: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.353     foxr     2055: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2056: 		$form{'grade_target'}='answer';
1.167     albertel 2057: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2058: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2059:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2060: 		    $form{'problemtype'}='exam';
                   2061: 		}
1.375     foxr     2062: 		$resources_printed .= $currentURL.':';
1.515     foxr     2063: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2064: 		
                   2065: 
1.242     sakharuk 2066: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2067: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2068: 		} else {
                   2069: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2070: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2071: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2072: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2073: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2074: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2075: 		    } else {
                   2076: 			$texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
1.343     albertel 2077: 			my $URLpath=$cleanURL;
1.245     sakharuk 2078: 			$URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
1.504     albertel 2079: 			$texversion.=&path_to_problem($URLpath,$LaTeXwidth);
1.245     sakharuk 2080: 		    }
1.242     sakharuk 2081: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2082: 		}
1.511     foxr     2083: 
                   2084: 
                   2085: 		
                   2086: 
1.550     foxr     2087: 	    
1.511     foxr     2088: 	    }
                   2089: 	    # Print annotations.
                   2090: 
                   2091: 
                   2092: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2093: 		my $annotation .= &annotate($currentURL);
                   2094: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2095: 	    }
1.511     foxr     2096: 
                   2097: 
1.214     sakharuk 2098: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2099: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2100: 	    }
1.219     sakharuk 2101: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2102: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2103: 
                   2104: 	    }
1.162     sakharuk 2105: 	    $result .= $texversion;
                   2106: 	    if ($currentURL=~m/\.page\s*$/) {
                   2107: 		($result,$number_of_columns) = &page_cleanup($result);
                   2108: 	    }
1.413     albertel 2109:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2110: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.227     sakharuk 2111:             #printing content of sequence from the construction space	
1.559     foxr     2112: 
                   2113: 
1.227     sakharuk 2114: 	    $currentURL=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;
1.459     foxr     2115: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2116: 						    $LaTeXwidth);
                   2117: 	    $result .= '\end{document}';  
                   2118: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2119: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2120: 	    }
1.459     foxr     2121: 	    # End construction space sequence.
1.456     raeburn  2122: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2123: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2124: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2125: 		$resources_printed .= $currentURL.':';
1.567     foxr     2126: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2127: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2128: 		    my $annotation = &annotate($currentURL);
                   2129: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2130: 		}
1.258     sakharuk 2131: 		$result .= $texversion;
1.550     foxr     2132: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2133: 	    # For this sort of print of a single LaTeX file,
                   2134: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2135: 	    #
                   2136: 
                   2137: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2138: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2139: 		my $annotation = &annotate($currentURL);
                   2140: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2141: 	    }
                   2142: 
1.499     foxr     2143: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2144: 
1.550     foxr     2145: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2146: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2147: 	    $result .= '\end{document}';
1.559     foxr     2148: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2149: 
                   2150: 	    # Determine the set of resources in the map of the page:
                   2151: 
                   2152: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2153: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2154: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2155: 							$cleanURL, \@page_resources);
                   2156: 
                   2157:        
1.162     sakharuk 2158: 	} else {
1.414     albertel 2159: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2160: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2161: 	}
1.354     foxr     2162:     } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')       or
1.562     foxr     2163: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') or
                   2164: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page') or
1.142     sakharuk 2165:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
1.354     foxr     2166:              ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems')       or
                   2167: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources')      or # BUGBUG
1.536     foxr     2168: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') 
                   2169: 	     ) { 
1.511     foxr     2170: 
                   2171: 
1.141     sakharuk 2172:         #-- produce an output string
1.562     foxr     2173: 	if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems')  or
                   2174: 	    ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_in_page') ) {
1.296     sakharuk 2175: 	    $selectionmade = 2;
1.562     foxr     2176: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_problems_pages') or
                   2177: 		 ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'map_resources_in_page'))
                   2178: 	{
1.296     sakharuk 2179: 	    $selectionmade = 3;
1.536     foxr     2180: 	} elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems') 
                   2181: 		 ) {
1.296     sakharuk 2182: 	    $selectionmade = 4;
1.354     foxr     2183: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_resources') {  #BUGBUG
                   2184: 	    $selectionmade = 4;
1.296     sakharuk 2185: 	} elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences') {
                   2186: 	    $selectionmade = 7;
                   2187: 	}
1.193     sakharuk 2188: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2189: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2190: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2191: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2192: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2193: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2194: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2195: 	    $form{'problem_split'}='yes';
                   2196: 	}
1.141     sakharuk 2197: 	my $flag_latex_header_remove = 'NO';
                   2198: 	my $flag_page_in_sequence = 'NO';
                   2199: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2200: 	my $prevassignment='';
1.428     albertel 2201: 
                   2202: 	&Apache::lonxml::clear_problem_counter();
                   2203: 
1.416     foxr     2204: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2205: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2206: 
1.521     foxr     2207: 	    &Apache::lonenc::reset_enc();
                   2208: 
                   2209: 
1.350     foxr     2210: 	    # Note due to document structure, not allowed to put \newpage
                   2211: 	    # prior to the first resource
                   2212: 
1.351     foxr     2213: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2214: 		if($i != 0) {
                   2215: 		    $result.="\\newpage\n";
                   2216: 		}
                   2217: 	    }
1.564     foxr     2218: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2219: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2220: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2221: 
                   2222: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2223: 
1.267     sakharuk 2224: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2225: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2226: 	    my $texversion='';
1.413     albertel 2227: 	    if ($urlp!~m|^/adm/|
                   2228: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2229: 		$resources_printed .= $urlp.':';
1.428     albertel 2230: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2231: 		if ($flag_latex_header_remove eq 'NO') {
                   2232: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
                   2233: 		    $flag_latex_header_remove = 'YES';
                   2234: 		}
1.515     foxr     2235: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2236: 		if ($urlp=~/\.page$/) {
                   2237: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2238: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2239: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2240: 		    $flag_page_in_sequence = 'YES';
                   2241: 		} 
1.428     albertel 2242: 
1.296     sakharuk 2243: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2244: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2245: 		    #  Don't permanently pervert the %form hash
                   2246: 		    my %answerform = %form;
                   2247: 		    $answerform{'grade_target'}='answer';
                   2248: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2249: 		    $resources_printed .= $urlp.':';
1.428     albertel 2250: 
                   2251: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2252: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.428     albertel 2253: 
1.296     sakharuk 2254: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2255: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
1.249     sakharuk 2256: 		    } else {
1.307     sakharuk 2257: 			if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
1.296     sakharuk 2258: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2259: 			    $texversion =~ s/\\begin{document}//;
1.477     albertel 2260: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2261: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2262: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2263: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2264: 			    $body   .='\vskip 1 mm '.$answer;
                   2265: 			    $body    = &encapsulate_minipage($body);
                   2266: 			    $texversion .= $body;
1.296     sakharuk 2267: 			} else {
                   2268: 			    $texversion='';
                   2269: 			}
1.249     sakharuk 2270: 		    }
1.511     foxr     2271: 
1.246     sakharuk 2272: 		}
1.511     foxr     2273: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2274: 		    my $annotation .= &annotate($urlp);
                   2275: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2276: 		}
                   2277: 
1.296     sakharuk 2278: 		if ($flag_latex_header_remove ne 'NO') {
                   2279: 		    $texversion = &latex_header_footer_remove($texversion);
                   2280: 		} else {
                   2281: 		    $texversion =~ s/\\end{document}//;
                   2282: 		}
                   2283: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2284: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2285: 		}
                   2286: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2287: 		    my $name = &get_name();
                   2288: 		    my $courseidinfo = &get_course();
                   2289: 		    $prevassignment=$assignment;
1.455     albertel 2290: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2291: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2292: 							  $assignment, 
                   2293: 							  $courseidinfo, 
                   2294: 							  $name);
1.552     foxr     2295: 
1.417     foxr     2296: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2297: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2298: 		    } else {
1.455     albertel 2299: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2300: 		    }			
1.296     sakharuk 2301: 		}
                   2302: 		$result .= $texversion;
                   2303: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2304: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2305: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2306: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2307: 		$resources_printed .= $urlp.':';
1.567     foxr     2308: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2309: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2310: 		    my $annotation = &annotate($urlp);
                   2311: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2312: 		}
                   2313: 
1.301     sakharuk 2314: 		if ($flag_latex_header_remove ne 'NO') {
                   2315: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2316: 		} else {	
1.301     sakharuk 2317: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2318: 		}
                   2319: 		$result .= $texversion;
                   2320: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2321: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2322: 		if ($i > 0) {
                   2323: 		    $result .= '\cleardoublepage';
                   2324: 		}
                   2325: 		$result .= &include_pdf($urlp);
                   2326: 		if ($i != $#master_seq) {
                   2327: 		    if ($numberofcolumns eq '1') {
                   2328: 			$result .= '\newpage';
                   2329: 		    } else {
                   2330: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2331: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2332: 			#
                   2333: 			$result .= '\\ \cleardoublepage';
                   2334: 		    }
                   2335: 		}
                   2336: 		$flag_latex_header_remove = 'YES';
                   2337: 
1.141     sakharuk 2338: 	    } else {
1.414     albertel 2339: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2340: 					 $master_seq[$i]);
1.297     sakharuk 2341: 		if ($flag_latex_header_remove ne 'NO') {
                   2342: 		    $texversion = &latex_header_footer_remove($texversion);
                   2343: 		} else {
                   2344: 		    $texversion =~ s/\\end{document}//;
                   2345: 		}
                   2346: 		$result .= $texversion;
                   2347: 		$flag_latex_header_remove = 'YES';   
1.296     sakharuk 2348: 	    }	    
1.550     foxr     2349: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2350: 		last; 
                   2351: 	    }
1.141     sakharuk 2352: 	}
1.428     albertel 2353: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2354: 	if ($flag_page_in_sequence eq 'YES') {
                   2355: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2356: 	}	
1.141     sakharuk 2357: 	$result .= '\end{document}';
1.284     albertel 2358:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2359: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2360: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ||
1.284     albertel 2361: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students')){
1.353     foxr     2362: 
                   2363: 
1.150     sakharuk 2364:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2365: 	 my $type;
1.536     foxr     2366: 	 if (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students') ||
1.562     foxr     2367: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_students_from_page') ||
1.536     foxr     2368: 	     ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'all_problems_students') ) {
1.254     sakharuk 2369: 	     $selectionmade=5;
1.284     albertel 2370: 	     $type='problems';
1.254     sakharuk 2371: 	 } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_students') {
                   2372: 	     $selectionmade=8;
1.284     albertel 2373: 	     $type='resources';
1.254     sakharuk 2374: 	 }
1.150     sakharuk 2375: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2376: 	 #   The normal sort order is by section then by students within the
                   2377: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2378: 	 #   to override this and output the students by name.
                   2379: 	 #    Each element of the students array is of the form:
                   2380: 	 #       username:domain:section:last, first:status
                   2381: 	 #    
1.429     foxr     2382: 	 #  Note that student sort is not compatible with printing 
                   2383: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2384: 	 #   
1.429     foxr     2385: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2386: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2387: 	     @students = sort compare_names  @students;
                   2388: 	 }
1.429     foxr     2389: 	 &adjust_number_to_print($helper);
                   2390: 
1.278     albertel 2391:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2392: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2393: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2394: 	 }
1.429     foxr     2395: 	 # If we are splitting on section boundaries, we need 
                   2396: 	 # to remember that in split_on_sections and 
                   2397: 	 # print all of the students in the list.
                   2398: 	 #
                   2399: 	 my $split_on_sections = 0;
                   2400: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2401: 	     $split_on_sections = 1;
                   2402: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2403: 	 }
1.150     sakharuk 2404: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2405: 
1.150     sakharuk 2406: 	 #loop over students
1.562     foxr     2407: 
                   2408:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2409: 	 my %moreenv;
1.330     sakharuk 2410:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2411: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2412: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2413: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2414: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2415: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2416: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2417: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2418: 	     $moreenv{'problem_split'}='yes';
                   2419: 	 }
1.318     albertel 2420: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2421: 	 my $student_counter=-1;
1.429     foxr     2422: 	 my $i = 0;
1.430     albertel 2423: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2424: 	 foreach my $person (@students) {
1.350     foxr     2425: 
1.373     albertel 2426:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2427: 	     if (-e $duefile) {
                   2428: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2429: 		 print $temp_file "1969\n";
                   2430: 	     }
1.272     sakharuk 2431: 	     $student_counter++;
1.429     foxr     2432: 	     if ($split_on_sections) {
1.430     albertel 2433: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2434: 		 if ($this_section ne $last_section) {
                   2435: 		     $i++;
                   2436: 		     $last_section = $this_section;
                   2437: 		 }
                   2438: 	     } else {
                   2439: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2440: 	     }
1.375     foxr     2441: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2442: 						     $person,$type,
                   2443: 						     \%moreenv,\@master_seq,
1.360     albertel 2444: 						     $flag_latex_header_remove,
1.422     albertel 2445: 						     $LaTeXwidth);
1.375     foxr     2446: 	     $resources_printed .= ":";
1.284     albertel 2447: 	     $print_array[$i].=$output;
                   2448: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
                   2449: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2450: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2451: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2452: 	 }
                   2453: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2454: 	 $result .= $print_array[0].'  \end{document}';
                   2455:      } elsif (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
1.562     foxr     2456: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.284     albertel 2457: 	      ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) { 
1.373     albertel 2458: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2459: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2460: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2461: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2462: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2463: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2464: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2465: 
1.381     albertel 2466: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2467:          my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 2468: 	 my ($code_type,$code_length)=('letter',6);
1.542     raeburn  2469: 	 foreach my $line (@lines) {
1.381     albertel 2470: 	     my ($name,$type,$length) = (split(/:/,$line))[0,2,4];
                   2471: 	     if ($name eq $code_option) {
                   2472: 		 $code_length=$length;
                   2473: 		 if ($type eq 'number') { $code_type = 'number'; }
                   2474: 	     }
                   2475: 	 }
1.288     albertel 2476: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2477: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2478:          $moreenv{'instructor_comments'}='hide';
1.288     albertel 2479: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2480: 	 my @allcodes;
                   2481: 	 if ($old_name) {
1.381     albertel 2482: 	     my %result=&Apache::lonnet::get('CODEs',
                   2483: 					     [$old_name,"type\0$old_name"],
                   2484: 					     $cdom,$cnum);
                   2485: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2486: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2487: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2488: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2489: 	     $num_todo = 1;
                   2490: 	     @allcodes = ($selected_code);
1.385     foxr     2491: 	 } elsif ($single_code) {
                   2492: 
1.387     foxr     2493: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2494: 	     # If an alpha code have to convert to numbers so it can be
                   2495: 	     # converted back to letters again :-)
                   2496: 	     #
                   2497: 	     if ($code_type ne 'number') {
                   2498: 		 $single_code = &letters_to_num($single_code);
                   2499: 	     }
                   2500: 	     @allcodes = ($single_code);
1.292     albertel 2501: 	 } else {
                   2502: 	     my %allcodes;
1.299     albertel 2503: 	     srand($seed);
1.292     albertel 2504: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2505: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2506: 					    $code_type);
1.292     albertel 2507: 	     }
                   2508: 	     if ($code_name) {
                   2509: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2510: 				      {
                   2511: 					$code_name =>join(',',keys(%allcodes)),
                   2512: 					"type\0$code_name" => $code_type
                   2513: 				      },
1.292     albertel 2514: 				      $cdom,$cnum);
                   2515: 	     }
                   2516: 	     @allcodes=keys(%allcodes);
                   2517: 	 }
1.336     albertel 2518: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
                   2519: 	 my ($type) = split(/_/,$helper->{'VARS'}->{'PRINT_TYPE'});
1.452     albertel 2520: 	 &adjust_number_to_print($helper);
1.336     albertel 2521: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
                   2522: 	 if ($number_per_page eq '0' || $number_per_page eq 'all') {
                   2523: 	     $number_per_page=$num_todo;
                   2524: 	 }
                   2525: 	 my $flag_latex_header_remove = 'NO'; 
                   2526: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2527: 	 my $count=0;
1.292     albertel 2528: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2529: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 2530: 	     if ($code_type eq 'number') { 
                   2531: 		 $moreenv{'CODE'}=$code;
                   2532: 	     } else {
                   2533: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   2534: 	     }
1.375     foxr     2535: 	     my ($output,$fullname, $printed)=
1.288     albertel 2536: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 2537: 				  \@master_seq,$flag_latex_header_remove,
                   2538: 				  $LaTeXwidth);
1.375     foxr     2539: 	     $resources_printed .= ":";
1.295     albertel 2540: 	     $print_array[$file_num].=$output;
1.288     albertel 2541: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   2542: 				       &mt('last assignment').' '.$fullname);
                   2543: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 2544: 	     $count++;
1.331     albertel 2545: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 2546: 	 }
                   2547: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2548: 	 $result .= $print_array[0].'  \end{document}';
                   2549:      } elsif ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_from_directory') {      
1.151     sakharuk 2550:     #prints selected problems from the subdirectory 
                   2551: 	$selectionmade = 6;
                   2552:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 2553: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 2554: 	my $flag_latex_header_remove = 'NO'; 
                   2555: 	my $rndseed=time;
1.230     albertel 2556: 	if ($helper->{'VARS'}->{'curseed'}) {
                   2557: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2558: 	}
1.151     sakharuk 2559: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     2560: 
                   2561: 	    &Apache::lonenc::reset_enc();
                   2562: 
1.152     sakharuk 2563: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 2564: 	    $urlp=~s|//|/|;
1.152     sakharuk 2565: 	    if ($urlp=~/\//) {
1.353     foxr     2566: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 2567: 		$form{'rndseed'}=$rndseed;
1.152     sakharuk 2568: 		if ($urlp =~ m|/home/([^/]+)/public_html|) {
                   2569: 		    $urlp =~ s|/home/([^/]*)/public_html|/~$1|;
                   2570: 		} else {
1.302     sakharuk 2571: 		    $urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.152     sakharuk 2572: 		}
1.375     foxr     2573: 		$resources_printed .= $urlp.':';
1.515     foxr     2574: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 2575: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 2576: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2577: 		    #  Don't permanently pervert %form:
                   2578: 		    my %answerform = %form;
                   2579: 		    $answerform{'grade_target'}='answer';
                   2580: 		    $answerform{'answer_output_mode'}='tex';
                   2581: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2582: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     2583: 		    $resources_printed .= $urlp.':';
1.515     foxr     2584: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 2585: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2586: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2587: 		    } else {
1.253     sakharuk 2588: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   2589: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2590: 			    $texversion.='\vskip 0 mm \noindent ';
                   2591: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   2592: 			} else {
                   2593: 			    $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm ';
                   2594: 			    my $URLpath=$urlp;
                   2595: 			    $URLpath=~s/~([^\/]+)/public_html\/$1\/$1/;
                   2596: 			    $texversion.=&path_to_problem ($URLpath,$LaTeXwidth);
                   2597: 			}
                   2598: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 2599: 		    }
1.174     sakharuk 2600: 		}
1.515     foxr     2601:                 #this chunk is responsible for printing the path to problem
                   2602: 
1.253     sakharuk 2603: 		my $newurlp=$urlp;
                   2604: 		if ($newurlp=~/~/) {$newurlp=~s|\/~([^\/]+)\/|\/home\/$1\/public_html\/|;}
                   2605: 		$newurlp=&path_to_problem($newurlp,$LaTeXwidth);
1.242     sakharuk 2606: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 2607: 		if ($flag_latex_header_remove ne 'NO') {
                   2608: 		    $texversion = &latex_header_footer_remove($texversion);
                   2609: 		} else {
                   2610: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 2611: 		}
                   2612: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2613: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 2614: 		}
1.219     sakharuk 2615: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2616: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2617: 		    
                   2618: 		}
1.152     sakharuk 2619: 		$result .= $texversion;
                   2620: 	    }
                   2621: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 2622: 	}
1.175     sakharuk 2623: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 2624: 	$result .= '\end{document}';      	
1.140     sakharuk 2625:     }
                   2626: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     2627: 
                   2628:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   2629: 
                   2630:     if ($do_postprocessing) {
                   2631: 	$result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade);
                   2632: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   2633: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   2634: 	#if ($numberofcolumns == 1) {
1.451     albertel 2635: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   2636: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   2637: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   2638: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     2639: 	#}
                   2640:     }
1.367     foxr     2641: 
1.515     foxr     2642:     # Set URLback if this is a construction space print so we can provide
                   2643:     # a link to the resource being edited.
                   2644:     #
1.274     sakharuk 2645: 
1.276     sakharuk 2646:     my $URLback=''; #link to original document
1.510     albertel 2647:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.276     sakharuk 2648: 	#prints resource from the construction space
                   2649: 	$URLback='/'.$helper->{'VARS'}->{'filename'};
1.279     albertel 2650: 	if ($URLback=~/([^?]+)/) {
                   2651: 	    $URLback=$1;
                   2652: 	    $URLback=~s|^/~|/priv/|;
                   2653: 	}
1.276     sakharuk 2654:     }
1.556     foxr     2655:     #
                   2656:     # Final adjustment of the font size:
                   2657:     #
                   2658: 
                   2659:     $result = set_font_size($result);
1.375     foxr     2660: 
1.525     www      2661: #-- writing .tex file in prtspool 
                   2662:     my $temp_file;
                   2663:     my $identifier = &Apache::loncommon::get_cgi_id();
                   2664:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   2665:     if (!($#print_array>0)) { 
                   2666:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   2667: 	  $r->log_error("Couldn't open $filename for output $!");
                   2668: 	  return SERVER_ERROR; 
                   2669:        }
                   2670:        print $temp_file $result;
                   2671:        my $begin=index($result,'\begin{document}',0);
                   2672:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     2673:     } else {
1.525     www      2674:        my $begin=index($result,'\begin{document}',0);
                   2675:        my $inc=substr($result,0,$begin+16);
                   2676:        for (my $i=0;$i<=$#print_array;$i++) {
                   2677: 	  if ($i==0) {
                   2678: 	      $print_array[$i]=$result;
                   2679: 	  } else {
                   2680: 	      $print_array[$i].='\end{document}';
                   2681: 	      $print_array[$i] = 
                   2682: 		&latex_corrections($number_of_columns,$print_array[$i],
                   2683: 				   $selectionmade, 
                   2684: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     2685: 	    
1.525     www      2686: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   2687: 	      substr($print_array[$i],0,$anobegin)='';
                   2688: 	      $print_array[$i]=$inc.$print_array[$i];
                   2689: 	  }
                   2690: 	  my $temp_file;
                   2691: 	  my $newfilename=$filename;
                   2692: 	  my $num=$i+1;
                   2693: 	  $newfilename =~s/\.tex$//; 
                   2694: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   2695: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   2696: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   2697: 	      return SERVER_ERROR; 
                   2698: 	  }
                   2699: 	  print $temp_file $print_array[$i];
                   2700:        }
                   2701:     }
                   2702:     my $student_names='';
                   2703:     if ($#print_array>0) {
                   2704:         for (my $i=0;$i<=$#print_array;$i++) {
                   2705:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     2706: 	}
1.525     www      2707:     } else {
                   2708: 	if ($#student_names>-1) {
                   2709: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     2710: 	} else {
1.525     www      2711:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   2712: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     2713: 				    $env{'request.course.sec'},$fullname).
                   2714: 					'_ENDPERSON_'.'_END_';
                   2715: 	}
1.525     www      2716:      }
1.515     foxr     2717: 	
1.525     www      2718:      # logic for now is too complex to trace if this has been defined
                   2719:      #  yet.
                   2720:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2721:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2722:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     2723: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   2724: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   2725: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   2726: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   2727: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   2728: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   2729: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   2730: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   2731: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  2732: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      2733:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     2734: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   2735: 				"cgi.$identifier.courseid" => $cnum, 
                   2736: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  2737: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     2738: 	
1.525     www      2739:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  2740:     my $continue_text = &mt('Continue');
1.525     www      2741:     # If there's been an unrecoverable SSI error, report it to the user
                   2742:     if ($ssi_error) {
                   2743:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   2744:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      2745:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   2746:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   2747:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  2748:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      2749:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   2750:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  2751:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      2752:     } else {
1.515     foxr     2753: 	$r->print(<<FINALEND);
1.317     albertel 2754: <br />
1.288     albertel 2755: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  2756: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 2757: $end_page
1.140     sakharuk 2758: FINALEND
1.528     raeburn  2759:     }                                     # endif ssi errors.
1.140     sakharuk 2760: }
                   2761: 
1.288     albertel 2762: 
                   2763: sub get_CODE {
1.381     albertel 2764:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 2765:     my $max='1'.'0'x$size;
                   2766:     my $newcode;
                   2767:     while(1) {
1.392     albertel 2768: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 2769: 	if (!exists($$all_codes{$newcode})) {
                   2770: 	    $$all_codes{$newcode}=1;
1.381     albertel 2771: 	    if ($type eq 'number' ) {
                   2772: 		return $newcode;
                   2773: 	    } else {
                   2774: 		return &num_to_letters($newcode);
                   2775: 	    }
1.288     albertel 2776: 	}
                   2777:     }
                   2778: }
1.140     sakharuk 2779: 
1.284     albertel 2780: sub print_resources {
1.360     albertel 2781:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 2782: 	$LaTeXwidth)=@_;
1.284     albertel 2783:     my $current_output = ''; 
1.375     foxr     2784:     my $printed = '';
1.284     albertel 2785:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   2786:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     2787:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.288     albertel 2788:     if ($person =~ 'anon') {
1.492     foxr     2789: 	$namepostfix .="Name: ";
1.288     albertel 2790: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   2791:     }
1.444     foxr     2792:     #  Fullname may have special latex characters that need \ prefixing:
                   2793:     #
                   2794: 
1.350     foxr     2795:     my $i           = 0;
1.284     albertel 2796:     #goes through all resources, checks if they are available for 
                   2797:     #current student, and produces output   
1.428     albertel 2798: 
                   2799:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 2800:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 2801:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     2802:     #
1.441     foxr     2803:     #   end each student with a 
1.440     foxr     2804:     #   Special that allows the post processor to even out the page
                   2805:     #   counts later.  Nasty problem this... it would be really
                   2806:     #   nice to put the special in as a postscript comment
1.441     foxr     2807:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     2808:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     2809:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   2810:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     2811:     #
1.568     foxr     2812:     my $syllabus_first = 0;
1.284     albertel 2813:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     2814: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     2815: 	    if($i != 0) {
                   2816: 		$current_output.= "\\newpage\n";
                   2817: 	    }
                   2818: 	}
                   2819: 	$i++;
1.511     foxr     2820: 
1.284     albertel 2821: 	if ( !($type eq 'problems' && 
                   2822: 	       ($curresline!~ m/\.(problem|exam|quiz|assess|survey|form|library)$/)) ) {
                   2823: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   2824: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 2825: 		if ($res_url!~m|^ext/|
1.413     albertel 2826: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2827: 		    $printed .= $curresline.':';
1.428     albertel 2828: 		    &Apache::lonxml::remember_problem_counter();    
                   2829: 
1.526     www      2830: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.305     sakharuk 2831: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2832: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2833: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   2834: 			my %answerenv = %{$moreenv};
                   2835: 			$answerenv{'answer_output_mode'}='tex';
                   2836: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 2837: 			
                   2838: 			&Apache::lonxml::restore_problem_counter();
                   2839: 
1.380     foxr     2840: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 2841: 
1.305     sakharuk 2842: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2843: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   2844: 			} else {
1.423     foxr     2845: 
                   2846: 			    
                   2847: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.552     foxr     2848: 			    $header =~ s/\\begin{document}//;     #<<<<<
1.477     albertel 2849: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   2850: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2851: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2852: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     2853: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   2854: 			    $body     = &encapsulate_minipage($body);
                   2855: 			    $rendered = $header.$body;
1.305     sakharuk 2856: 			}
                   2857: 		    }
1.511     foxr     2858: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2859: 			my $url = &Apache::lonnet::clutter($res_url);
                   2860: 			my $annotation = &annotate($url);
                   2861: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2862: 		    }
1.562     foxr     2863: 		    my $junk;
1.305     sakharuk 2864: 		    if ($remove_latex_header eq 'YES') {
                   2865: 			$rendered = &latex_header_footer_remove($rendered);
                   2866: 		    } else {
                   2867: 			$rendered =~ s/\\end{document}//;
                   2868: 		    }
                   2869: 		    $current_output .= $rendered;		    
1.456     raeburn  2870: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     2871: 		    if ($i == 1) {
                   2872: 			$syllabus_first = 1;
                   2873: 		    }
1.375     foxr     2874: 		    $printed .= $curresline.':';
1.528     raeburn  2875: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     2876: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2877: 			my $url = &Apache::lonnet::clutter($res_url);
                   2878: 			my $annotation = &annotate($url);
                   2879: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   2880: 		    }
1.305     sakharuk 2881: 		    if ($remove_latex_header eq 'YES') {
                   2882: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 2883: 		    } else {
1.305     sakharuk 2884: 			$rendered =~ s/\\end{document}//;
1.284     albertel 2885: 		    }
1.421     foxr     2886: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     2887: 		} elsif($res_url = ~/\.pdf$/) {
                   2888: 		    my $url = &Apache::lonnet::clutter($res_url);
                   2889: 		    my $rendered  = &include_pdf($url);
                   2890: 		    if ($remove_latex_header ne 'NO') {
                   2891: 			$rendered = &latex_header_footer_remove($rendered);
                   2892: 		    }
                   2893: 		    $current_output .= $rendered;
1.284     albertel 2894: 		} else {
1.414     albertel 2895: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 2896: 		    if ($remove_latex_header ne 'NO') {
                   2897: 			$rendered = &latex_header_footer_remove($rendered);
                   2898: 		    } else {
                   2899: 			$rendered =~ s/\\end{document}//;
                   2900: 		    }
                   2901: 		    $current_output .= $rendered;
1.284     albertel 2902: 		}
                   2903: 	    }
                   2904: 	    $remove_latex_header = 'YES';
1.550     foxr     2905: 	} 
1.331     albertel 2906: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2907:     }
1.552     foxr     2908: 
                   2909: 
1.284     albertel 2910:     my $courseidinfo = &get_course();
                   2911:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 2912:     my $header_line =
1.486     foxr     2913: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     2914: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 2915:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   2916: 	                                         : '\fancyhead[LO]';
                   2917:     $header_line = $header_start.'{'.$header_line.'}';
1.568     foxr     2918:     if ($current_output=~/\\documentclass/ && (!$syllabus_first)) {
1.476     albertel 2919: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.568     foxr     2920:     } elsif ($syllabus_first) {
                   2921: 
                   2922: 	$current_output =~ s/\\\\ Last updated:/Last updated:/
1.284     albertel 2923:     } else {
1.476     albertel 2924: 	my $blankpages = 
                   2925: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   2926: 	    
                   2927: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   2928: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   2929: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   2930: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 2931:     }
1.440     foxr     2932:     #
                   2933:     #  Close the student bracketing.
                   2934:     #
1.375     foxr     2935:     return ($current_output,$fullname, $printed);
1.284     albertel 2936: 
                   2937: }
1.140     sakharuk 2938: 
1.3       sakharuk 2939: sub handler {
                   2940: 
                   2941:     my $r = shift;
1.397     albertel 2942:     
                   2943:     &init_perm();
1.114     bowersj2 2944: 
1.568.4.2  raeburn  2945:     my ($helper,$is_custom);
                   2946:     if ((&Apache::loncommon::needs_gci_custom()) &&
1.568.4.3! raeburn  2947:         ($env{'request.role.domain'} =~ /^\w+citest$/)) {
1.568.4.2  raeburn  2948:         if ($r->header_only) {
                   2949:             if ($env{'browser.mathml'}) {
                   2950:                 &Apache::loncommon::content_type($r,'text/xml');
                   2951:             } else {
                   2952:                 &Apache::loncommon::content_type($r,'text/html');
                   2953:             }
                   2954:             $r->send_http_header;
                   2955:             return OK;
                   2956:         }
                   2957:         # Send header, nocache
                   2958:         if ($env{'browser.mathml'}) {
                   2959:             &Apache::loncommon::content_type($r,'text/xml');
                   2960:         } else {
                   2961:             &Apache::loncommon::content_type($r,'text/html');
                   2962:         }
                   2963:         &Apache::loncommon::no_cache($r);
                   2964:         $r->send_http_header;
                   2965:         $r->rflush();
1.416     foxr     2966: 
1.568.4.2  raeburn  2967:         my ($navmap_error,$resources,@master_seq);
                   2968:         my $navmap = Apache::lonnavmaps::navmap->new();
                   2969:         if (!defined($navmap)) {
                   2970:             my $brcrum = [{'href' => '',
                   2971:                            'text' => 'Preparing Printout'}];
                   2972: 
                   2973:             my $start_page  =
                   2974:                 &Apache::loncommon::start_page('Preparing Printout','',
                   2975:                                                {'bread_crumbs' => $brcrum,});
                   2976:             my $endpage = &Apache::loncommon::end_page();
                   2977: 
                   2978:             my $navmap_error = '<span class="LC_error">'.&mt('An error occurred retrieving information about the course.').'<br />'.&mt('It is recommended that you re-select the concept test by clicking on the "Review Questions" tab and then clicking on the "Manage Tests" tab again.').'</span>';
                   2979:             $r->print($start_page.$navmap_error.$endpage);
                   2980:             return OK;
                   2981:         } else {
                   2982:             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2983:             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1.568.4.3! raeburn  2984:             my $sequence = &Apache::loncommon::get_citest_map($cdom);
        !          2985:             my @allres;
        !          2986:             if ($sequence) {
        !          2987:                 @allres=$navmap->retrieveResources('/uploaded/'.$cdom.'/'.$cnum.'/'.$sequence);
1.568.4.2  raeburn  2988:             foreach my $resource (@allres) {
                   2989:                 next if ($resource->is_map());
                   2990:                 my $symb = $resource->symb();
                   2991:                 push(@master_seq,$symb);
                   2992:             }
                   2993:             $resources = join('|||',@master_seq);
                   2994:             my ($sequence,$middle_thingy,$urlp) =
                   2995:                 &Apache::lonnet::decode_symb($master_seq[0]);
                   2996: 
                   2997:             my $assignment = &Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header');
                   2998: 
                   2999:             $helper = {
                   3000:                    VARS => {
                   3001:                             ANON_CODE_STORAGE_NAME => '',
                   3002:                             ANSWER_TYPE => 'yes',
                   3003:                             CODE_OPTION => '',
                   3004:                             EMPTY_PAGES => '',
                   3005:                             FINISHPAGE => '',
                   3006:                             FORMAT => 'P|1|letter|no',
                   3007:                             LATEX_TYPE => 'batchmode',
                   3008:                             NUMBER_TO_PRINT_TOTAL => '',
                   3009:                             PRINT_ANNOTATIONS => 'no',
                   3010:                             PRINT_DISCUSSIONS => 'no',
                   3011:                             PRINT_TYPE => 'map_problems',
                   3012:                             RESOURCES => $resources,
                   3013:                             REUSE_OLD_CODES => '',
                   3014:                             SEQUENCE => '',
                   3015:                             SINGLE_CODE => '',
                   3016:                             SPLIT_PDFS => '',
                   3017:                             STUDENTS => '',
                   3018:                             TABLE_CONTENTS => 'no',
                   3019:                             TABLE_INDEX => 'no',
                   3020:                             assignment => $assignment,
                   3021:                             construction => '',
                   3022:                             curseed => '',
                   3023:                             filename => '',
                   3024:                             fontsize => 'normalsize',
                   3025:                             pagesize => '',
                   3026:                             'pagesize.height' => '9.8',
                   3027:                             'pagesize.heightunit' => 'in',
                   3028:                             'pagesize.lmargin' => '-0.57',
                   3029:                             'pagesize.lmarginunit' => 'in',
                   3030:                             'pagesize.width' => '7.1',
                   3031:                             'pagesize.widthunit' => 'in',
                   3032:                             postdata => $urlp,
                   3033:                             probstatus => '',
                   3034:                             showallfoils => '',
                   3035:                             student_sort => '',
                   3036:                             style_file => '',
                   3037:                             symb => $master_seq[0],
                   3038:                            }
                   3039:                          };
                   3040:             $env{'form.assignment'} = $assignment;
                   3041:             $is_custom = 1;
                   3042:         }
                   3043:     } else {
                   3044:         $helper = printHelper($r);
                   3045:         if (!ref($helper)) {
                   3046:             return $helper;
                   3047:         }
1.60      sakharuk 3048:     }
1.184     sakharuk 3049: 
1.454     foxr     3050:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.350     foxr     3051: 
                   3052: 
1.367     foxr     3053:     #  If a figure conversion queue file exists for this user.domain
                   3054:     # we delete it since it can only be bad (if it were good, printout.pl
                   3055:     # would have deleted it the last time around.
                   3056: 
1.373     albertel 3057:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3058:     if(-e $conversion_queuefile) {
1.568.4.2  raeburn  3059:         unlink $conversion_queuefile;
1.367     foxr     3060:     }
1.515     foxr     3061: 
1.568.4.2  raeburn  3062: 
                   3063:     &output_data($r,$helper,\%parmhash,$is_custom);
1.2       sakharuk 3064:     return OK;
1.568.4.2  raeburn  3065: }
1.2       sakharuk 3066: 
1.131     bowersj2 3067: use Apache::lonhelper;
1.130     sakharuk 3068: 
1.223     bowersj2 3069: sub addMessage {
                   3070:     my $text = shift;
                   3071:     my $paramHash = Apache::lonhelper::getParamHash();
                   3072:     $paramHash->{MESSAGE_TEXT} = $text;
                   3073:     Apache::lonhelper::message->new();
                   3074: }
                   3075: 
1.416     foxr     3076: 
1.238     bowersj2 3077: 
1.397     albertel 3078: sub init_perm {
                   3079:     undef(%perm);
                   3080:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3081:     if (!$perm{'pav'}) {
                   3082: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3083: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3084:     }
1.465     albertel 3085:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3086:     if (!$perm{'pfo'}) {
                   3087: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3088: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3089:     }
                   3090: }
                   3091: 
1.507     albertel 3092: sub get_randomly_ordered_warning {
                   3093:     my ($helper,$map) = @_;
                   3094: 
                   3095:     my $message;
                   3096: 
                   3097:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3098:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3099:     if (defined($navmap)) {
                   3100:         my $res = $navmap->getResourceByUrl($map);
                   3101:         if ($res) {
                   3102: 	    my $func = 
                   3103: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3104: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
                   3105: 	    if (@matches) {
                   3106: 	        $message = "Some of the items below are in folders set to be randomly ordered. However, when printing the contents of these folders, they will be printed in the original order for all students, not the randomized order.";
                   3107: 	    }
                   3108:         }
                   3109:         if ($message) {
                   3110: 	    return '<message type="warning">'.$message.'</message>';
                   3111:         }
                   3112:     } else {
                   3113:         $message = "Retrieval of information about ordering of resources failed."; 
                   3114:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3115:     }
                   3116:     return;
                   3117: }
                   3118: 
1.131     bowersj2 3119: sub printHelper {
1.115     bowersj2 3120:     my $r = shift;
                   3121: 
                   3122:     if ($r->header_only) {
1.373     albertel 3123:         if ($env{'browser.mathml'}) {
1.241     www      3124:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3125:         } else {
1.241     www      3126:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3127:         }
                   3128:         $r->send_http_header;
                   3129:         return OK;
1.115     bowersj2 3130:     }
                   3131: 
1.131     bowersj2 3132:     # Send header, nocache
1.373     albertel 3133:     if ($env{'browser.mathml'}) {
1.241     www      3134:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3135:     } else {
1.241     www      3136:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3137:     }
                   3138:     &Apache::loncommon::no_cache($r);
                   3139:     $r->send_http_header;
                   3140:     $r->rflush();
                   3141: 
1.131     bowersj2 3142:     # Unfortunately, this helper is so complicated we have to
                   3143:     # write it by hand
                   3144: 
                   3145:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3146:     
1.176     bowersj2 3147:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3148:     $helper->declareVar('symb');
1.156     bowersj2 3149:     $helper->declareVar('postdata');    
1.290     sakharuk 3150:     $helper->declareVar('curseed'); 
                   3151:     $helper->declareVar('probstatus');   
1.156     bowersj2 3152:     $helper->declareVar('filename');
                   3153:     $helper->declareVar('construction');
1.178     sakharuk 3154:     $helper->declareVar('assignment');
1.262     sakharuk 3155:     $helper->declareVar('style_file');
1.340     foxr     3156:     $helper->declareVar('student_sort');
1.363     foxr     3157:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3158:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3159:     $helper->declareVar("showallfoils");
1.483     foxr     3160:     $helper->declareVar("STUDENTS");
1.363     foxr     3161: 
1.518     foxr     3162: 
                   3163:    
                   3164: 
                   3165: 
1.363     foxr     3166:     #  The page breaks can get loaded initially from the course environment:
1.394     foxr     3167:     # But we only do this in the initial state so that they are allowed to change.
                   3168:     #
1.366     foxr     3169: 
1.416     foxr     3170:     # $helper->{VARS}->{FINISHPAGE} = '';
1.363     foxr     3171:     
                   3172:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3173: 						{'pagebreaks'  => 'scalar',
                   3174: 					         'lastprinttype' => 'scalar'});
                   3175:     
1.483     foxr     3176:     # This will persistently load in the data we want from the
                   3177:     # very first screen.
1.394     foxr     3178:     
                   3179:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3180: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3181: 	    
                   3182: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3183: 	} else {
                   3184: 	    my $state = $env{"form.CURRENT_STATE"};
                   3185: 	    if ($state eq "START") {
                   3186: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
                   3187: 	    }
                   3188: 	}
                   3189: 	
1.366     foxr     3190:     }
1.481     albertel 3191: 
1.156     bowersj2 3192:     # Detect whether we're coming from construction space
1.373     albertel 3193:     if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) {
1.235     bowersj2 3194:         $helper->{VARS}->{'filename'} = "~$1/$2";
1.156     bowersj2 3195:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3196:     } else {
1.373     albertel 3197:         if ($env{'form.postdata'}) {
                   3198:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3199: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3200: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3201: 	    }
1.156     bowersj2 3202:         }
1.373     albertel 3203:         if ($env{'form.symb'}) {
                   3204:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3205:         }
1.373     albertel 3206:         if ($env{'form.url'}) {
1.156     bowersj2 3207:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3208:         }
1.416     foxr     3209: 
1.157     bowersj2 3210:     }
1.481     albertel 3211: 
1.373     albertel 3212:     if ($env{'form.symb'}) {
                   3213:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3214:     }
1.373     albertel 3215:     if ($env{'form.url'}) {
1.140     sakharuk 3216:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3217: 
1.140     sakharuk 3218:     }
1.343     albertel 3219:     $helper->{VARS}->{'symb'}=
                   3220: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3221:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3222:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3223: 
1.156     bowersj2 3224:     
1.146     bowersj2 3225:     # Extract map
                   3226:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3227:     my ($map, $id, $url);
                   3228:     my $subdir;
1.483     foxr     3229:     my $is_published=0;		# True when printing from resource space.
1.156     bowersj2 3230: 
                   3231:     # Get the resource name from construction space
                   3232:     if ($helper->{VARS}->{'construction'}) {
                   3233:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3234:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3235:         $subdir = substr($helper->{VARS}->{'filename'},
                   3236:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3237:     } else {
1.562     foxr     3238: 	# From course space:
                   3239: 
1.482     albertel 3240: 	if ($symb ne '') {
                   3241: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3242: 	    $helper->{VARS}->{'postdata'} = 
                   3243: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
                   3244: 	} else {
                   3245: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3246: 	    $is_published=1;	# From resource space.
1.482     albertel 3247: 	}
                   3248: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3249:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3250:             my $postdata = $helper->{VARS}->{'postdata'};
                   3251:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3252:         }
                   3253:         $subdir = &Apache::lonnet::filelocation("", $url);
1.128     bowersj2 3254:     }
1.373     albertel 3255:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3256: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3257:     }
1.373     albertel 3258:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3259: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3260:     }
1.115     bowersj2 3261: 
1.192     bowersj2 3262:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3263: 
1.481     albertel 3264:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3265: 
1.131     bowersj2 3266:     # "Delete everything after the last slash."
1.119     bowersj2 3267:     $subdir =~ s|/[^/]+$||;
                   3268: 
1.131     bowersj2 3269:     # What can be printed is a very dynamic decision based on
                   3270:     # lots of factors. So we need to dynamically build this list.
                   3271:     # To prevent security leaks, states are only added to the wizard
                   3272:     # if they can be reached, which ensures manipulating the form input
                   3273:     # won't allow anyone to reach states they shouldn't have permission
                   3274:     # to reach.
                   3275: 
                   3276:     # printChoices is tracking the kind of printing the user can
                   3277:     # do, and will be used in a choices construction later.
                   3278:     # In the meantime we will be adding states and elements to
                   3279:     # the helper by hand.
                   3280:     my $printChoices = [];
                   3281:     my $paramHash;
1.130     sakharuk 3282: 
1.240     albertel 3283:     if ($resourceTitle) {
1.458     www      3284:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3285:     }
                   3286: 
1.238     bowersj2 3287:     # Useful filter strings
1.540     raeburn  3288:     my $isProblem = '($res->is_problem()||$res->contains_problem||$res->is_practice()) ';
1.238     bowersj2 3289:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.541     raeburn  3290:     my $isProblemOrMap = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice()';
1.287     albertel 3291:     my $isNotMap = '!$res->is_sequence()';
1.238     bowersj2 3292:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
                   3293:     my $isMap = '$res->is_map()';
1.342     albertel 3294:     my $symbFilter = '$res->shown_symb()';
                   3295:     my $urlValue = '$res->link()';
1.238     bowersj2 3296: 
                   3297:     $helper->declareVar('SEQUENCE');
                   3298: 
1.465     albertel 3299:     # If we're in a sequence...
1.416     foxr     3300: 
1.465     albertel 3301:     my $start_new_option;
                   3302:     if ($perm{'pav'}) {
                   3303: 	$start_new_option = 
                   3304: 	    "<option text='".&mt('Start new page<br />before selected').
                   3305: 	    "' variable='FINISHPAGE' />";
                   3306:     }
1.238     bowersj2 3307: 
1.562     foxr     3308:     # If not construction space user can print the components of a page:
                   3309: 
                   3310:     my $page_ispage;
                   3311:     my $page_title;
                   3312:     if (!$helper->{VARS}->{'construction'}) {
                   3313: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3314: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3315: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3316: 	if (defined($page_navmap)) {
                   3317: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3318: 	    if(defined($page_resources[0])) {
                   3319: 		$page_ispage       = $page_resources[0]->is_page();
                   3320: 		$page_title     = $page_resources[0]->title();
                   3321: 		my $resourcesymb   = $page_resources[0]->symb();
                   3322: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3323: 		if ($page_ispage) {
                   3324: 		    push @{$printChoices}, 
                   3325: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3326: 		     'map_problems_in_page', 
                   3327: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3328: 		    push @{$printChoices}, 
                   3329: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3330: 		     'map_resources_in_page', 
                   3331: 		     'CHOOSE_RESOURCES_PAGE'];
                   3332: 		}
1.562     foxr     3333:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3334: 							'Select Problem(s) to print',
                   3335: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3336: 							'RESOURCES',
                   3337: 							'PAGESIZE',
                   3338: 							$url,
                   3339: 							$isProblem, '',  $symbFilter,
                   3340: 							$start_new_option);
                   3341: 
                   3342: 
                   3343:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3344: 						    'Select Resource(s) to print',
                   3345: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3346: 						    'RESOURCES',
                   3347: 						    'PAGESIZE',
                   3348: 						    $url,
                   3349: 						    $isNotMap, '', $symbFilter,
                   3350: 						    $start_new_option);
                   3351: 
                   3352: 						    
                   3353: 
                   3354: 
                   3355: 
                   3356: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3357: 	
1.563     foxr     3358: 	    }
                   3359: 	}
1.562     foxr     3360:     }
                   3361: 
                   3362:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3363: 	$helper->{VARS}->{'postdata'} &&
                   3364: 	$helper->{VARS}->{'assignment'}) {
1.131     bowersj2 3365:         # Allow problems from sequence
1.562     foxr     3366:         push @{$printChoices}, 
                   3367: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3368: 	     'map_problems', 
                   3369: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3370:         # Allow all resources from sequence
1.562     foxr     3371:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3372: 				'map_problems_pages', 
                   3373: 				'CHOOSE_PROBLEMS_HTML'];
                   3374:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3375: 							'Select Problem(s) to print',
                   3376: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3377: 							'RESOURCES',
                   3378: 							'PAGESIZE',
                   3379: 							$map,
                   3380: 							$isProblem, '',
                   3381: 							$symbFilter,
                   3382: 							$start_new_option);
                   3383: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3384: 						      'Select Resource(s) to print',
                   3385: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3386: 						      'RESOURCES',
                   3387: 						      'PAGESIZE',
                   3388: 						      $map,
                   3389: 						      $isNotMap, '',
                   3390: 						      $symbFilter,
                   3391: 						      $start_new_option);
1.121     bowersj2 3392: 
1.326     sakharuk 3393: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3394:     }
                   3395: 
1.546     bisitz   3396:     # If the user has pfo (print for others) allow them to print all 
                   3397:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3398:     my $post_data = $helper->{VARS}->{'postdata'};
1.483     foxr     3399:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3400:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3401: 
1.509     albertel 3402:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3403: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3404: 	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     3405: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3406:   <state name="STUDENTS1" title="Select People">
                   3407:       <message><b>Select sorting order of printout</b> </message>
                   3408:     <choices variable='student_sort'>
                   3409:       <choice computer='0'>Sort by section then student</choice>
                   3410:       <choice computer='1'>Sort by students across sections.</choice>
                   3411:     </choices>
                   3412:       <message><br /><hr /><br /> </message>
                   3413:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3414:   </state>
1.284     albertel 3415: ALL_PROBLEMS
1.562     foxr     3416:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3417: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3418: 							      'SelectProblem(s) to print',
                   3419: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3420: 							      'RESOURCES',
                   3421: 							      'PAGESIZE',
                   3422: 							      '',
                   3423: 							      $isProblemOrMap, $isNotMap,
                   3424: 							      $symbFilter,
                   3425: 							      $start_new_option) .
                   3426: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3427: 							      'Select Resource(s) to print',
                   3428: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3429: 							      'RESOURCES',
                   3430: 							      'PAGESIZE',
                   3431: 							      '',
                   3432: 							      $isNotMap,'',$symbFilter,
                   3433: 							      $start_new_option) .
                   3434: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3435: 							      'Select Problem(s) to print',
                   3436: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3437: 							      'RESOURCES',
                   3438: 							      'STUDENTS1',
                   3439: 							      '',
                   3440: 							      $isProblemOrMap,'' , $symbFilter,
                   3441: 							      $start_new_option) .
                   3442: 				     $suffixXml
                   3443: 				   );
1.132     bowersj2 3444: 
1.284     albertel 3445: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3446: 
                   3447: 	    # If we were looking at a page, allow a selection of problems from the page
                   3448: 	    # either for selected students or for coded assignments.
                   3449: 
                   3450: 	    if ($page_ispage) {
                   3451: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3452: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3453: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3454: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3455: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3456: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3457: 	    }
                   3458: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3459: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3460: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3461: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3462: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3463: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3464: 	}
1.424     foxr     3465: 
1.507     albertel 3466: 	my $randomly_ordered_warning = 
                   3467: 	    &get_randomly_ordered_warning($helper,$map);
                   3468: 
1.424     foxr     3469: 	# resource_selector will hold a few states that:
                   3470: 	#   - Allow resources to be selected for printing.
                   3471: 	#   - Determine pagination between assignments.
                   3472: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3473:         # TODO:
                   3474: 	#    Probably good to do things like separate this up into several vars, each
                   3475: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3476: 	#    and next states for better mix and match capability
                   3477: 	#
1.562     foxr     3478: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3479: 							  'Select resources to print',
                   3480: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3481: 							  'RESOURCES', 
                   3482: 							  'PRINT_FORMATTING',
1.568.4.1  raeburn  3483: 							  $map,
1.562     foxr     3484: 							  $isProblem, '', $symbFilter,
                   3485: 							  $start_new_option);
                   3486: 	$resource_selector .=  <<RESOURCE_SELECTOR;
1.424     foxr     3487:     <state name="PRINT_FORMATTING" title="How should results be printed?">
1.155     sakharuk 3488:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
1.149     bowersj2 3489:     <choices variable="EMPTY_PAGES">
1.204     sakharuk 3490:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3491:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3492:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3493:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3494:     </choices>
1.424     foxr     3495:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3496:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3497:     <choices variable="SPLIT_PDFS">
                   3498:        <choice computer="all">All assignments in a single PDF file</choice>
                   3499:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3500:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3501:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3502:             Specify the number of assignments per PDF:</choice>
1.429     foxr     3503:     </choices>
1.424     foxr     3504:     </state>
1.284     albertel 3505: RESOURCE_SELECTOR
1.562     foxr     3506:         $resource_selector .= &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                   3507: 							'Select Problem(s) to print',
                   3508: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3509: 							'RESOURCES',
                   3510: 							'PRINT_FORMATTING',
                   3511: 							$url,
                   3512: 							$isProblem, '',  $symbFilter,
                   3513: 							$start_new_option);
                   3514: 
                   3515: 
                   3516: # Generate student choosers.
                   3517: 
                   3518: 
1.284     albertel 3519: 
1.562     foxr     3520:         &Apache::lonxml::xmlparse($r, 'helper',
                   3521: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3522: 							    'student_sort',
                   3523: 							    'STUDENTS',
                   3524: 							    'CHOOSE_STUDENTS_PAGE'));
                   3525: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   3526: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   3527: 							    'student_sort',
                   3528: 							    'STUDENTS',
                   3529: 							    'SELECT_PROBLEMS'));
                   3530: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 3531: 
1.373     albertel 3532: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3533: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 3534:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   3535: 	my $namechoice='<choice></choice>';
1.337     albertel 3536: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 3537: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 3538: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 3539: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   3540: 	}
1.389     foxr     3541: 
                   3542: 
                   3543: 	my %code_values;
1.405     albertel 3544: 	my %codes_to_print;
1.411     albertel 3545: 	foreach my $key (@names) {
1.389     foxr     3546: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 3547: 	    foreach my $key (keys(%code_values)) {
                   3548: 		$codes_to_print{$key} = 1;
1.388     foxr     3549: 	    }
                   3550: 	}
1.389     foxr     3551: 
1.452     albertel 3552: 	my $code_selection;
1.405     albertel 3553: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     3554: 	    my $choice  = $code;
                   3555: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   3556: 		$choice = &letters_to_num($code);
                   3557: 	    }
1.432     albertel 3558: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     3559: 	}
1.436     albertel 3560: 	if (%codes_to_print) {
                   3561: 	    $code_selection .='   
1.472     albertel 3562: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 3563: 		<message></td><td></message>
1.452     albertel 3564: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   3565:                   <choice></choice>
1.448     albertel 3566:                   <exec>
                   3567:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   3568:                   </exec>
1.452     albertel 3569: 		</dropdown>
1.468     foxr     3570: 	    <message></td></tr><tr><td></message>
1.436     albertel 3571:             '.$/;
1.448     albertel 3572: 
1.436     albertel 3573: 	}
1.432     albertel 3574: 
1.542     raeburn  3575:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 3576: 	my $codechoice='';
1.542     raeburn  3577: 	foreach my $line (@lines) {
1.381     albertel 3578: 	    my ($name,$description,$code_type,$code_length)=
                   3579: 		(split(/:/,$line))[0,1,2,4];
                   3580: 	    if ($code_length > 0 && 
                   3581: 		$code_type =~/^(letter|number|-1)/) {
                   3582: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   3583: 	    }
                   3584: 	}
                   3585: 	if ($codechoice eq '') {
                   3586: 	    $codechoice='<choice computer="default">Default</choice>';
                   3587: 	}
1.562     foxr     3588: 	my $anon1 = &generate_code_selector($helper, 
                   3589: 					    'CHOOSE_ANON1',
                   3590: 					    'SELECT_PROBLEMS',
                   3591: 					    $codechoice,
                   3592: 					    $code_selection,
                   3593: 					    $namechoice) . $resource_selector;
                   3594: 					    
                   3595: 					    
                   3596:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   3597: 
                   3598: 	my $anon_page = &generate_code_selector($helper,
                   3599: 						'CHOOSE_ANON1_PAGE',
                   3600: 						'SELECT_PROBLEMS_PAGE',
                   3601: 						$codechoice,
                   3602: 						$code_selection,
                   3603: 						$namechoice) .
                   3604: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   3605: 						   'Select Problem(s) to print',
                   3606: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   3607: 						   'RESOURCES',
                   3608: 						   'PRINT_FORMATTING',
                   3609: 						   $url,
                   3610: 						   $isProblem, '',  $symbFilter,
                   3611: 						   $start_new_option);
                   3612: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 3613: 
1.272     sakharuk 3614: 
1.254     sakharuk 3615: 	if ($helper->{VARS}->{'assignment'}) {
1.546     bisitz   3616: 	    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'];
                   3617: 	    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 3618: 	}
1.284     albertel 3619: 	    
                   3620: 
                   3621: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     3622:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 3623:     $randomly_ordered_warning
1.424     foxr     3624:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 3625:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 3626:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   3627:               closeallpages="1">
1.254     sakharuk 3628:       <filterfunc>return $isNotMap;</filterfunc>
                   3629:       <mapurl>$map</mapurl>
                   3630:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3631:       $start_new_option
1.254     sakharuk 3632:       </resource>
1.424     foxr     3633:     </state>
1.562     foxr     3634: 
1.424     foxr     3635:     <state name="PRINT_FORMATTING" title="Format of the print job">
                   3636:     <nextstate>NUMBER_PER_PDF</nextstate>
1.254     sakharuk 3637:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                   3638:     <choices variable="EMPTY_PAGES">
                   3639:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                   3640:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                   3641:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                   3642:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
1.284     albertel 3643:     </choices>
1.424     foxr     3644:     <nextstate>PAGESIZE</nextstate>
1.429     foxr     3645:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                   3646:     <choices variable="SPLIT_PDFS">
                   3647:        <choice computer="all">All assignments in a single PDF file</choice>
                   3648:        <choice computer="sections">Each PDF contains exactly one section</choice>
                   3649:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
1.449     albertel 3650:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                   3651:            Specify the number of assignments per PDF:</choice>
1.429     foxr     3652:     </choices>
1.424     foxr     3653:     </state>
1.284     albertel 3654: RESOURCE_SELECTOR
                   3655: 
                   3656: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   3657:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     3658:     <choices variable='student_sort'>
                   3659:       <choice computer='0'>Sort by section then student</choice>
                   3660:       <choice computer='1'>Sort by students across sections.</choice>
                   3661:     </choices>
1.437     foxr     3662:     <message><br /><hr /><br /></message>
1.426     foxr     3663:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     3664: 
1.424     foxr     3665:     </state>
1.284     albertel 3666:     $resource_selector
1.254     sakharuk 3667: CHOOSE_STUDENTS1
                   3668: 
1.284     albertel 3669: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 3670:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     3671:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 3672:     <message><h4>Fill out one of the forms below</h4></message>
                   3673:     <message><br /><hr /> <br /></message>
                   3674:     <message><h3>Generate new CODEd Assignments</h3></message>
                   3675:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.362     albertel 3676:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5">
                   3677:        <validator>
                   3678: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     3679: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     3680: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   3681: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 3682: 	    return "You need to specify the number of assignments to print";
                   3683: 	}
                   3684: 	return undef;
                   3685:        </validator>
                   3686:     </string>
                   3687:     <message></td></tr><tr><td></message>
1.501     albertel 3688:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 3689:     <message></td><td></message>
                   3690:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   3691:     <message></td></tr><tr><td></message>
                   3692:     <message><b>Bubble sheet type:</b></message>
                   3693:     <message></td><td></message>
                   3694:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   3695:     $codechoice
                   3696:     </dropdown>
1.472     albertel 3697:     <message></td></tr><tr><td></table></message>
                   3698:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   3699:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 3700:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     3701:         <validator>
                   3702: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     3703: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   3704: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     3705: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   3706: 						      \$helper->{'VARS'}{'CODE_OPTION'});
                   3707: 	   } else {
                   3708: 	       return undef;	# Other forces control us.
                   3709: 	   }
                   3710:         </validator>
                   3711:     </string>
1.472     albertel 3712:     <message></td></tr><tr><td></message>
1.432     albertel 3713:         $code_selection
1.472     albertel 3714:     <message></td></tr></table></message>
                   3715:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   3716:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 3717:     <message></td><td></message>
1.294     albertel 3718:     <dropdown variable="REUSE_OLD_CODES">
                   3719:         $namechoice
                   3720:     </dropdown>
1.412     albertel 3721:     <message></td></tr></table></message>
1.424     foxr     3722:   </state>
1.284     albertel 3723:     $resource_selector
                   3724: CHOOSE_ANON2
1.481     albertel 3725:     }
                   3726: 
1.121     bowersj2 3727:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     3728:     if (($perm{'pav'} 
1.482     albertel 3729: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   3730: 	&& (defined($helper->{'VARS'}->{'construction'})
                   3731: 	    ||
                   3732: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   3733: 	     && 
                   3734: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     3735: 	    )) 
                   3736: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 3737: 	) {
                   3738: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   3739:         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 3740:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 3741:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      3742: 
1.138     bowersj2 3743:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 3744:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 3745:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 3746: CHOOSE_FROM_SUBDIR
                   3747:         
1.238     bowersj2 3748:         # this is broken up because I really want interpolation above,
                   3749:         # and I really DON'T want it below
1.139     bowersj2 3750:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 3751:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   3752: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 3753:       </filefilter>
1.138     bowersj2 3754:       </files>
1.131     bowersj2 3755:     </state>
                   3756: CHOOSE_FROM_SUBDIR
1.139     bowersj2 3757:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 3758:     }
1.238     bowersj2 3759: 
                   3760:     # Allow the user to select any sequence in the course, feed it to
                   3761:     # another resource selector for that sequence
1.483     foxr     3762:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 3763: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 3764: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 3765: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   3766: 	#Escape apostrophes and backslashes for Perl
                   3767: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   3768: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 3769: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 3770:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   3771:     <message>Select the sequence to print resources from:</message>
                   3772:     <resource variable="SEQUENCE">
                   3773:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   3774:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   3775:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     3776:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     3777: 	</choicefunc>
1.238     bowersj2 3778:       </resource>
                   3779:     </state>
                   3780:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   3781:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     3782:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 3783:               closeallpages="1">
1.238     bowersj2 3784:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 3785:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 3786:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 3787:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 3788:       $start_new_option
1.238     bowersj2 3789:       </resource>
                   3790:     </state>
                   3791: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 3792: }
1.481     albertel 3793: 
1.131     bowersj2 3794:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 3795:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 3796:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 3797:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 3798:     Apache::lonhelper::message->new();
                   3799:     $paramHash = Apache::lonhelper::getParamHash();
                   3800:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   3801:     $paramHash->{CHOICES} = $printChoices;
                   3802:     Apache::lonhelper::choices->new();
1.161     bowersj2 3803: 
1.223     bowersj2 3804:     my $startedTable = 0; # have we started an HTML table yet? (need
                   3805:                           # to close it later)
                   3806: 
1.397     albertel 3807:     if (($perm{'pav'} and &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) or 
1.170     sakharuk 3808: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   3809: 	&addMessage('<br />'
                   3810:                    .'<h3>'.&mt('Print Options').'</h3>'
                   3811:                    .&Apache::lonhtmlcommon::start_pick_box()
                   3812:                    .&Apache::lonhtmlcommon::row_title(
                   3813:                        '<label for="ANSWER_TYPE_forminput">'
                   3814:                       .&mt('Print Answers')
                   3815:                       .'</label>'
                   3816:                     )
                   3817:         );
1.161     bowersj2 3818:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 3819: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   3820: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 3821:         $paramHash->{CHOICES} = [
1.242     sakharuk 3822:                                    ['Without Answers', 'yes'],
                   3823:                                    ['With Answers', 'no'],
1.368     albertel 3824:                                    ['Only Answers', 'only']
1.289     sakharuk 3825:                                 ];
1.210     sakharuk 3826:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3827: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 3828: 	$startedTable = 1;
1.556     foxr     3829: 
                   3830: #
                   3831: #  Select font size.
                   3832: #
                   3833: 
                   3834:             $helper->declareVar('fontsize');
                   3835:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   3836:             my $xmlfrag = << "FONT_SELECTION";
                   3837: 
                   3838:           
                   3839:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   3840:             <defaultvalue>
                   3841: 		  return 'normalsize';
                   3842:             </defaultvalue>
                   3843:             <choice computer='tiny'>Tiny</choice>
                   3844:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   3845:             <choice computer='footnotesize'>Footnote Size</choice>
                   3846:             <choice computer='small'>Small</choice>
                   3847:             <choice computer='normalsize'>Normal (default)</choice>
                   3848:             <choice computer='large'>larger than normal</choice>
                   3849:             <choice computer='Large'>Even larger than normal</choice>
                   3850:             <choice computer='LARGE'>Still larger than normal</choice>
                   3851:             <choice computer='huge'>huge font size</choice>
                   3852:             <choice computer='Huge'>Largest possible size</choice>
                   3853:             </dropdown>
                   3854: FONT_SELECTION
                   3855:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   3856:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 3857:     }
1.209     sakharuk 3858: 
1.397     albertel 3859:     if ($perm{'pav'}) {
1.223     bowersj2 3860: 	if (!$startedTable) {
1.497     www      3861: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   3862:                        '<label for="LATEX_TYPE_forminput">'.
                   3863:                        &mt('LaTeX mode').
                   3864:                        "</label>: </td><td>");
1.223     bowersj2 3865: 	    $startedTable = 1;
                   3866: 	} else {
1.544     bisitz   3867: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3868:                            '<label for="LATEX_TYPE_forminput">'
                   3869:                            .&mt('LaTeX mode')
                   3870:                            .'</label>'
                   3871:                         )
                   3872:             );
1.223     bowersj2 3873: 	}
1.203     sakharuk 3874:         $paramHash = Apache::lonhelper::getParamHash();
                   3875: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   3876: 	$helper->declareVar('LATEX_TYPE');  
                   3877: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   3878: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3879: 				     ['standard LaTeX mode', 'standard'], 
                   3880: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 3881: 	} else {
                   3882: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3883: 				     ['LaTeX batchmode', 'batchmode'],
                   3884: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 3885: 	}
1.210     sakharuk 3886:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 3887:  
1.544     bisitz   3888: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   3889:                    .&Apache::lonhtmlcommon::row_title(
                   3890:                         '<label for="TABLE_CONTENTS_forminput">'
                   3891:                        .&mt('Print Table of Contents')
                   3892:                        .'</label>'
                   3893:                     )
                   3894:         );
1.209     sakharuk 3895:         $paramHash = Apache::lonhelper::getParamHash();
                   3896: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   3897: 	$helper->declareVar('TABLE_CONTENTS');         
                   3898:         $paramHash->{CHOICES} = [
1.223     bowersj2 3899:                                    ['No', 'no'],
                   3900:                                    ['Yes', 'yes'] ];
1.210     sakharuk 3901:         Apache::lonhelper::dropdown->new();
1.544     bisitz   3902: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 3903:         
1.220     sakharuk 3904: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   3905: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3906:                             '<label for="TABLE_INDEX_forminput">'
                   3907:                            .&mt('Print Index')
                   3908:                            .'</label>'
                   3909:                         )
                   3910:             );
1.220     sakharuk 3911: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3912: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   3913: 	    $helper->declareVar('TABLE_INDEX');         
                   3914: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 3915: 				     ['No', 'no'],
                   3916: 				     ['Yes', 'yes'] ];
1.220     sakharuk 3917: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3918:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   3919:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   3920:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   3921:                            .&mt('Print Discussions')
                   3922:                            .'</label>'
                   3923:                         )
                   3924:             );
1.309     sakharuk 3925: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3926: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   3927: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   3928: 	    $paramHash->{CHOICES} = [
                   3929: 				     ['No', 'no'],
                   3930: 				     ['Yes', 'yes'] ];
                   3931: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3932:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     3933: 
1.511     foxr     3934: 	    # Prompt for printing annotations too.
                   3935: 		
1.545     bisitz   3936: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   3937:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   3938:                            .&mt('Print Annotations')
                   3939:                            .'</label>'
                   3940:                         )
                   3941:             );
1.511     foxr     3942: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3943: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   3944: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   3945: 	    $paramHash->{CHOICES} = [
                   3946: 				     ['No', 'no'],
                   3947: 				     ['Yes', 'yes']];
                   3948: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   3949:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     3950: 
1.545     bisitz   3951:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 3952: 	    $paramHash = Apache::lonhelper::getParamHash();
                   3953: 	    $paramHash->{'multichoice'} = "true";
                   3954: 	    $paramHash->{'allowempty'}  = "true";
                   3955: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   3956: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 3957: 	    Apache::lonhelper::choices->new();
1.545     bisitz   3958:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 3959: 	}
1.219     sakharuk 3960: 
1.230     albertel 3961: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 3962: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      3963:             my $randseedtext=&mt("Use random seed");
                   3964:             my $stylefiletext=&mt("Use style file");
1.506     albertel 3965:             my $selectfiletext=&mt("Select style file");
1.497     www      3966: 
1.544     bisitz   3967: 	    my $xmlfrag .= '<message>'
                   3968:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   3969:                                               .$randseedtext
                   3970:                                               .'</label>'
                   3971:              )
                   3972:             .'</message>
                   3973:             <string variable="curseed" size="15" maxlength="15">
                   3974:                 <defaultvalue>
                   3975:                    return '.$helper->{VARS}->{'curseed'}.';
                   3976:                 </defaultvalue>'
                   3977:             .'</string>'
                   3978:             .'<message>'
                   3979:             .&Apache::lonhtmlcommon::row_closure()
                   3980:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   3981:                                               .$stylefiletext
                   3982:                                               .'</label>'
                   3983:              )
                   3984:             .'</message>
1.504     albertel 3985:              <string variable="style_file" size="40">
1.544     bisitz   3986:                 <defaultvalue>
                   3987:                     return '.$stylevalue.';
                   3988:                 </defaultvalue>
                   3989:              </string><message>&nbsp;'
                   3990: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   3991: .$selectfiletext.'</a>'
                   3992:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   3993:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   3994:             .'</message>
1.371     foxr     3995: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   3996:                 <choice computer="1">&nbsp;</choice>
                   3997:              </choices>'
                   3998: 	    .'<message>'
                   3999:             .&Apache::lonhtmlcommon::row_closure()
                   4000:             .'</message>';
1.230     albertel 4001:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4002: 
                   4003: 
1.544     bisitz   4004:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4005: 	    #
                   4006: 	    # Initial value from construction space:
                   4007: 	    #
                   4008: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4009: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4010: 	    }
1.518     foxr     4011: 	    $xmlfrag = << "PROBTYPE";
                   4012: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4013: 		   <defaultvalue>
                   4014: 		      return "$helper->{VARS}->{'probstatus'}";
                   4015:                    </defaultvalue>
                   4016: 		   <choice computer="problem">Homework Problem</choice>
                   4017: 		   <choice computer="exam">Exam Problem</choice>
                   4018: 		   <choice computer="survey">Survey question</choice>
                   4019: 		</dropdown>
                   4020: PROBTYPE
                   4021:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4022:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4023: 
1.556     foxr     4024: 
                   4025: 
1.544     bisitz   4026:         }
1.223     bowersj2 4027:     }
1.264     sakharuk 4028: 
                   4029: 
                   4030: 
1.218     sakharuk 4031: 
1.223     bowersj2 4032:     if ($startedTable) {
1.544     bisitz   4033:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4034:     }
1.161     bowersj2 4035: 
1.131     bowersj2 4036:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4037: 
1.144     bowersj2 4038:     # Generate the PAGESIZE state which will offer the user the margin
                   4039:     # choices if they select one column
                   4040:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4041:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4042: 
                   4043: 
1.131     bowersj2 4044:     $helper->process();
                   4045: 
1.416     foxr     4046: 
1.131     bowersj2 4047:     # MANUAL BAILOUT CONDITION:
                   4048:     # If we're in the "final" state, bailout and return to handler
                   4049:     if ($helper->{STATE} eq 'FINAL') {
                   4050:         return $helper;
                   4051:     }    
1.130     sakharuk 4052: 
1.131     bowersj2 4053:     $r->print($helper->display());
1.395     www      4054:     if ($helper->{STATE} eq 'START') {
                   4055: 	&recently_generated($r);
                   4056:     }
1.333     albertel 4057:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4058: 
                   4059:     return OK;
                   4060: }
                   4061: 
1.1       www      4062: 
                   4063: 1;
1.119     bowersj2 4064: 
                   4065: package Apache::lonprintout::page_format_state;
                   4066: 
                   4067: =pod
                   4068: 
1.131     bowersj2 4069: =head1 Helper element: page_format_state
                   4070: 
                   4071: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4072: 
1.131     bowersj2 4073: Apache::lonprintout::page_format_state is an element that gives the 
                   4074: user an opportunity to select the page layout they wish to print 
                   4075: with: Number of columns, portrait/landscape, and paper size. If you 
                   4076: want to change the paper size choices, change the @paperSize array 
                   4077: contents in this package.
1.119     bowersj2 4078: 
1.131     bowersj2 4079: page_format_state is always directly invoked in lonprintout.pm, so there
                   4080: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4081: 
                   4082: =over 4
                   4083: 
1.131     bowersj2 4084: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4085: 
                   4086: =back
                   4087: 
                   4088: =cut
                   4089: 
1.131     bowersj2 4090: use Apache::lonhelper;
1.119     bowersj2 4091: 
                   4092: no strict;
1.131     bowersj2 4093: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4094: use strict;
1.266     sakharuk 4095: use Apache::lonlocal;
1.373     albertel 4096: use Apache::lonnet;
1.119     bowersj2 4097: 
                   4098: my $maxColumns = 2;
1.376     albertel 4099: # it'd be nice if these all worked
                   4100: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4101: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4102: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4103: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4104: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4105: 		 "a4 [210x297 mm]");
1.119     bowersj2 4106: 
                   4107: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4108: #                   Paper type
                   4109: 
                   4110: sub new { 
1.131     bowersj2 4111:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4112: 
1.135     bowersj2 4113:     shift;
                   4114: 
1.131     bowersj2 4115:     $self->{'variable'} = shift;
1.134     bowersj2 4116:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4117:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4118:     bless($self);
1.119     bowersj2 4119:     return $self;
                   4120: }
                   4121: 
                   4122: sub render {
                   4123:     my $self = shift;
1.131     bowersj2 4124:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4125:     my $result = '';
1.131     bowersj2 4126:     my $var = $self->{'variable'};
1.266     sakharuk 4127:     my $PageLayout=&mt('Page layout');
                   4128:     my $NumberOfColumns=&mt('Number of columns');
                   4129:     my $PaperType=&mt('Paper type');
1.506     albertel 4130:     my $landscape=&mt('Landscape');
                   4131:     my $portrait=&mt('Portrait');
1.539     onken    4132:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4133:     my $with=&mt('with Formfields');
                   4134:     my $without=&mt('without Formfields');
1.556     foxr     4135:     
                   4136: 
1.544     bisitz   4137:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4138:             .&Apache::loncommon::start_data_table()
                   4139:             .&Apache::loncommon::start_data_table_header_row()
                   4140:             .'<th>'.$PageLayout.'</th>'
                   4141:             .'<th>'.$NumberOfColumns.'</th>'
                   4142:             .'<th>'.$PaperType.'</th>'
                   4143:             .'<th>'.$pdfFormLabel.'</th>'
                   4144:             .&Apache::loncommon::end_data_table_header_row()
                   4145:             .&Apache::loncommon::start_data_table_row()
                   4146:     .'<td>'
                   4147:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4148:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4149:     .'</td>';
1.119     bowersj2 4150: 
1.544     bisitz   4151:     $result.='<td align="center">'
                   4152:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4153: 
                   4154:     my $i;
                   4155:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4156:         if ($i == 2) {
1.553     bisitz   4157:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4158:         } else {
1.553     bisitz   4159:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4160:         }
                   4161:     }
                   4162: 
                   4163:     $result .= "</select></td><td>\n";
                   4164:     $result .= "<select name='${var}.paper'>\n";
                   4165: 
1.373     albertel 4166:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4167:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4168:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4169:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4170:     $i = 0;
                   4171:     foreach (@paperSize) {
1.326     sakharuk 4172: 	$_=~/(\w+)/;
                   4173: 	my $papersize=$1;
1.304     sakharuk 4174:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4175:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4176:         } else {
1.553     bisitz   4177:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4178:         }
                   4179:         $i++;
                   4180:     }
1.539     onken    4181:     $result .= <<HTML;
                   4182:         </select>
                   4183:     </td>
                   4184:     <td align='center'>
                   4185:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4186:             <option selected="selected" value="no">$without</option>
                   4187:             <option value="yes">$with</option>
1.539     onken    4188:         </select>
                   4189:     </td>
                   4190: HTML
1.544     bisitz   4191:     $result.=&Apache::loncommon::end_data_table_row()
                   4192:             .&Apache::loncommon::end_data_table();
1.539     onken    4193: 
1.119     bowersj2 4194:     return $result;
1.135     bowersj2 4195: }
                   4196: 
                   4197: sub postprocess {
                   4198:     my $self = shift;
                   4199: 
                   4200:     my $var = $self->{'variable'};
1.136     bowersj2 4201:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4202:     $helper->{VARS}->{$var} = 
1.373     albertel 4203:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4204:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4205:     return 1;
1.119     bowersj2 4206: }
                   4207: 
                   4208: 1;
1.144     bowersj2 4209: 
                   4210: package Apache::lonprintout::page_size_state;
                   4211: 
                   4212: =pod
                   4213: 
                   4214: =head1 Helper element: page_size_state
                   4215: 
                   4216: See lonhelper.pm documentation for discussion of the helper framework.
                   4217: 
                   4218: Apache::lonprintout::page_size_state is an element that gives the 
                   4219: user the opportunity to further refine the page settings if they
                   4220: select a single-column page.
                   4221: 
                   4222: page_size_state is always directly invoked in lonprintout.pm, so there
                   4223: is no tag interface. You actually pass parameters to the constructor.
                   4224: 
                   4225: =over 4
                   4226: 
                   4227: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4228: 
                   4229: =back
                   4230: 
                   4231: =cut
                   4232: 
                   4233: use Apache::lonhelper;
1.373     albertel 4234: use Apache::lonnet;
1.144     bowersj2 4235: no strict;
                   4236: @ISA = ("Apache::lonhelper::element");
                   4237: use strict;
                   4238: 
                   4239: 
                   4240: 
                   4241: sub new { 
                   4242:     my $self = Apache::lonhelper::element->new();
                   4243: 
                   4244:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4245:            # package descriptor)... - Jeremy
                   4246: 
                   4247:     $self->{'variable'} = shift;
                   4248:     my $helper = Apache::lonhelper::getHelper();
                   4249:     $helper->declareVar($self->{'variable'});
                   4250: 
                   4251:     # The variable name of the format element, so we can look into 
                   4252:     # $helper->{VARS} to figure out whether the columns are one or two
                   4253:     $self->{'formatvar'} = shift;
                   4254: 
1.463     foxr     4255: 
1.144     bowersj2 4256:     $self->{NEXTSTATE} = shift;
                   4257:     bless($self);
1.467     foxr     4258: 
1.144     bowersj2 4259:     return $self;
                   4260: }
                   4261: 
                   4262: sub render {
                   4263:     my $self = shift;
                   4264:     my $helper = Apache::lonhelper::getHelper();
                   4265:     my $result = '';
                   4266:     my $var = $self->{'variable'};
                   4267: 
1.467     foxr     4268: 
                   4269: 
1.144     bowersj2 4270:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4271:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4272:     }
                   4273: 
1.438     foxr     4274:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4275: 
                   4276:     # Use format to get sensible defaults for the margins:
                   4277: 
                   4278: 
                   4279:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4280:     ($papersize)                      = split(/ /, $papersize);
                   4281: 
1.559     foxr     4282:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4283: 
                   4284: 
                   4285: 
1.464     albertel 4286:     my %size;
                   4287:     ($size{'width_and_units'},
                   4288:      $size{'height_and_units'},
                   4289:      $size{'margin_and_units'})=
                   4290: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4291:     
1.464     albertel 4292:     foreach my $dimension ('width','height','margin') {
                   4293: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4294: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4295:        	
                   4296: 	foreach my $unit ('cm','in') {
                   4297: 	    $size{$dimension.'_options'} .= '<option ';
                   4298: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4299: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4300: 	    }
                   4301: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4302: 	}
1.438     foxr     4303:     }
                   4304: 
1.470     foxr     4305:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4306: 
                   4307:     if ($size{'margin_unit'} eq 'in') {
                   4308: 	$size{'margin'} += 1;
                   4309:     }  else {
                   4310: 	$size{'margin'} += 2.54;
                   4311:     }
1.548     bisitz   4312:     my %lt = &Apache::lonlocal::texthash(
                   4313:         'format' => 'How should each column be formatted?',
                   4314:         'width'  => 'Width',
                   4315:         'height' => 'Height',
                   4316:         'margin' => 'Left Margin'
                   4317:     );
                   4318: 
                   4319:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4320:               .&Apache::lonhtmlcommon::start_pick_box()
                   4321:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4322:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4323:               .'<select name="'.$var.'.widthunit">'
                   4324:               .$size{'width_options'}
                   4325:               .'</select>'
                   4326:               .&Apache::lonhtmlcommon::row_closure()
                   4327:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4328:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4329:               .'<select name="'.$var.'.heightunit">'
                   4330:               .$size{'height_options'}
                   4331:               .'</select>'
                   4332:               .&Apache::lonhtmlcommon::row_closure()
                   4333:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4334:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4335:               .'<select name="'.$var.'.lmarginunit">'
                   4336:               .$size{'margin_options'}
                   4337:               .'</select>'
                   4338:               .&Apache::lonhtmlcommon::row_closure(1)
                   4339:               .&Apache::lonhtmlcommon::end_pick_box();
                   4340:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4341:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4342: 
                   4343:     return $result;
                   4344: }
                   4345: 
1.470     foxr     4346: 
1.144     bowersj2 4347: sub preprocess {
                   4348:     my $self = shift;
                   4349:     my $helper = Apache::lonhelper::getHelper();
                   4350: 
                   4351:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4352: 
                   4353:     #  If the user does not have 'pav' privilege, set default widths and
                   4354:     #  on to the next state right away.
                   4355:     #
                   4356:     if (!$perm{'pav'}) {
                   4357: 	my $var = $self->{'variable'};
                   4358: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4359: 	
                   4360: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4361: 	($papersize)                      = split(/ /, $papersize);
                   4362: 	
                   4363: 	
1.560     foxr     4364: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4365: 
1.467     foxr     4366: 	#  Figure out some good defaults for the print out and set them:
                   4367: 	
                   4368: 	my %size;
                   4369: 	($size{'width'},
                   4370: 	 $size{'height'},
                   4371: 	 $size{'lmargin'})=
                   4372: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4373: 	
                   4374: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4375: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4376: 	    	    
1.467     foxr     4377: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4378: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4379: 	    
                   4380: 	}
                   4381: 	
                   4382: 
                   4383: 	# Transition to the next state
                   4384: 
                   4385: 	$helper->changeState($self->{NEXTSTATE});
                   4386:     }
1.144     bowersj2 4387:    
                   4388:     return 1;
                   4389: }
                   4390: 
                   4391: sub postprocess {
                   4392:     my $self = shift;
                   4393: 
                   4394:     my $var = $self->{'variable'};
                   4395:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4396:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4397:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4398:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4399:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4400:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4401:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4402: 
                   4403:     my $error = '';
                   4404: 
                   4405:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4406:     # by an optional period, followed by digits, ending the string
                   4407: 
1.464     albertel 4408:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4409:         $error .= "Invalid width; please type only a number.<br />\n";
                   4410:     }
1.464     albertel 4411:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4412:         $error .= "Invalid height; please type only a number.<br />\n";
                   4413:     }
1.464     albertel 4414:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4415:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4416:     } else {
                   4417: 	# Adjust for LaTeX 1.0 inch margin:
                   4418: 
                   4419: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4420: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4421: 	} else {
                   4422: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4423: 	}
1.144     bowersj2 4424:     }
                   4425: 
                   4426:     if (!$error) {
                   4427:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4428:         return 1;
                   4429:     } else {
                   4430:         $self->{ERROR_MSG} = $error;
                   4431:         return 0;
                   4432:     }
                   4433: }
                   4434: 
                   4435: 
1.119     bowersj2 4436: 
1.1       www      4437: __END__
1.6       sakharuk 4438: 

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