Annotation of loncom/interface/lonprintout.pm, revision 1.701

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.701   ! raeburn     4: # $Id: lonprintout.pm,v 1.700 2024/11/09 15:40:00 raeburn Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: # http://www.lon-capa.org/
                     26: #
1.3       sakharuk   27: #
1.1       www        28: package Apache::lonprintout;
                     29: use strict;
1.10      albertel   30: use Apache::Constants qw(:common :http);
1.2       sakharuk   31: use Apache::lonxml;
                     32: use Apache::lonnet;
1.54      sakharuk   33: use Apache::loncommon;
1.13      sakharuk   34: use Apache::inputtags;
1.54      sakharuk   35: use Apache::grades;
1.13      sakharuk   36: use Apache::edit;
1.5       sakharuk   37: use Apache::File();
1.68      sakharuk   38: use Apache::lonnavmaps;
1.511     foxr       39: use Apache::admannotations;
1.521     foxr       40: use Apache::lonenc;
1.531     foxr       41: use Apache::entities;
1.550     foxr       42: use Apache::londefdef;
1.612     foxr       43: # use Apache::structurelags;	# for language management.
1.550     foxr       44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.491     albertel   48: use LONCAPA::map();
1.255     www        49: use Apache::lonlocal;
1.429     foxr       50: use Carp;
1.439     www        51: use LONCAPA;
1.60      sakharuk   52: 
1.588     foxr       53: 
1.397     albertel   54: my %perm;
1.454     foxr       55: my %parmhash;
1.459     foxr       56: my $resources_printed;
1.454     foxr       57: 
1.515     foxr       58: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     59: #
                     60: 
                     61: my $ssi_error;			# True if there was an ssi error.
                     62: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     63: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     64: 
                     65: #
                     66: #  Our ssi max retry count.
                     67: #
                     68: 
                     69: my $ssi_retry_count = 5;	# Some arbitrary value.
                     70: 
                     71: 
1.556     foxr       72: #  Font size:
                     73: 
                     74: my $font_size = 'normalsize';	# Default is normalsize...
                     75: 
1.562     foxr       76: #----------------------------  Helper helpers. -------------------------
                     77: 
1.699     raeburn    78: ##
1.616     foxr       79: # Filter function to determine if a resource is a printable sequence.
                     80: #
                     81: # @param $res -Resource to check.
                     82: #
                     83: # @return 1 - printable and a resource
                     84: #         0 - either notm a sequence or not printable.
                     85: #
                     86: sub printable_sequence {
                     87:     my $res = shift;
                     88: 
                     89:     # Non-sequences are not listed:
                     90: 
                     91:     if (!$res->is_sequence()) {
                     92: 	return 0;
                     93:     }
                     94: 
                     95:     # Person with pav or pfo can always print:
                     96: 
                     97:     if ($perm{'pav'} || $perm{'pfo'}) {
                     98: 	return 1;
                     99:     }
                    100: 
                    101:     if ($res->is_sequence()) {
                    102: 	my $symb = $res->symb();
                    103: 	my $navmap   = $res->{NAV_MAP};
                    104: 
                    105: 	# Find the first resource in the map:
                    106: 
                    107: 	my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
                    108: 	my $first    = $iterator->next();
                    109: 
                    110: 	while (1) {
1.617     foxr      111: 	    if ($first == $iterator->END_ITERATOR) { last; }
1.616     foxr      112: 	    if (ref($first) && ! $first->is_sequence()) {last; }
                    113: 	    $first = $iterator->next();
                    114: 	}
                    115: 
                    116: 
                    117: 	# Might be an empty map:
                    118: 
                    119: 	if (!ref($first)) {
                    120: 	    return 0;
                    121: 	}
                    122: 	my $partsref = $first->parts();
                    123: 	my @parts    = @$partsref;
                    124: 	my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
                    125: 	return &printable($open, $close);
                    126:     }
                    127:     return 0;
                    128: }
                    129: 
1.590     foxr      130: # BZ5209:
                    131: #    Create the states needed to run the helper for incomplete problems from
                    132: #    the current folder for selected students.
                    133: #    This includes:
                    134: #    -  A resource selector limited to problems (incompleteness must be
                    135: #       calculated on a student per student basis.
                    136: #    -  A student selector.
                    137: #    -  Tie in to the FORMAT of the print job.
                    138: #
                    139: # States:
                    140: #   CHOOSE_INCOMPLETE_PEOPLE_SEQ      - Resource selection.
                    141: #   CHOOSE_STUDENTS_INCOMPLETE        - Student selection.
                    142: #   CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
                    143: # Parameters:
                    144: #    helper - the helper which already contains info about the current folder we can
                    145: #             purloin.
1.679     raeburn   146: #    map    - the map for which incomplete problems are to be printed
                    147: #    nocurrloc - True if printout called from icon/link in Tools in /adm/navmaps
1.590     foxr      148: # Return:
                    149: #     XML that can be parsed by the helper to drive the state machine.
                    150: #
1.629     raeburn   151: sub create_incomplete_folder_selstud_helper {
1.679     raeburn   152:     my ($helper, $map, $nocurrloc)  = @_;
1.590     foxr      153: 
                    154: 
                    155:     my $symbFilter = '$res->shown_symb()';
                    156:     my $selFilter   = '$res->is_problem()';
                    157: 
                    158: 
                    159:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
                    160: 						      'Select problem(s) to print',
1.679     raeburn   161: 						      'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'"',
1.590     foxr      162: 						      'RESOURCES',
                    163: 						      'CHOOSE_STUDENTS_INCOMPLETE',
                    164: 						      $map,
                    165: 						      $selFilter,
                    166: 						      '',
1.699     raeburn   167: 						      $symbFilter,
1.590     foxr      168: 						      '');
                    169: 
                    170:     my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
                    171: 						 'student_sort',
                    172: 						 'STUDENTS',
                    173: 						 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
                    174: 
                    175:     my $format_chooser = &generate_format_selector($helper,
                    176: 						'Format of the print job',
1.598     raeburn   177: 						'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
1.590     foxr      178: 
                    179:     return $resource_chooser . $student_chooser . $format_chooser;
1.699     raeburn   180: }
1.590     foxr      181: 
                    182: 
                    183: # BZ 5209
                    184: #     Create the states needed to run the helper for incomplete problems from
                    185: #     the current folder for selected students.
                    186: #     This includes:
                    187: #     - A resource selector limited to problems.  (incompleteness must be calculated
                    188: #       on a student per student basis.
                    189: #     - A student selector.
                    190: #     - Tie in to format for the print job.
                    191: # States:
                    192: #    INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
                    193: #    INCOMPLETE_PROBLEMS_COURSE_STUDENTS  - Student selector.
                    194: #    INCOMPLETE_PROBLEMS_COURSE_FORMAT    - Format selection.
                    195: #
                    196: # Parameters:
                    197: #   helper   - Helper we are creating states for.
                    198: # Returns:
                    199: #   Text that can be parsed by the helper.
1.699     raeburn   200: #
1.590     foxr      201: 
                    202: sub create_incomplete_course_helper {
                    203:     my $helper = shift;
                    204: 
                    205:     my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                    206:     my $symbfilter = '$res->shown_symb()';
1.699     raeburn   207: 
1.590     foxr      208:     my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
                    209: 						      'Select problem(s) to print',
1.661     raeburn   210: 						      'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1" modallink="1"',
1.590     foxr      211: 						      'RESOURCES',
                    212: 						      'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    213: 						      '',
                    214: 						      $filter,
                    215: 						      '',
                    216: 						      $symbfilter,
                    217: 						      '');
                    218: 
                    219:     my $people_chooser  = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    220: 						    'student_sort',
                    221: 						    'STUDENTS',
                    222: 						    'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
                    223: 
                    224:     my $format = &generate_format_selector($helper,
                    225: 					   'Format of the print job',
                    226: 					   'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
                    227: 
                    228:     return $resource_chooser . $people_chooser . $format;
                    229: 
                    230: 
                    231: }
                    232: 
1.699     raeburn   233: # BZ5209
1.590     foxr      234: #   Creates the states needed to run the print helper for a student
                    235: #   that wants to print his incomplete problems from the current folder.
                    236: # Parameters:
                    237: #   $helper - helper we are generating states for.
                    238: #   $map    - The map for which the student wants incomplete problems.
1.679     raeburn   239: #   $nocurrloc - True if printout called from icon/link in Tools in /adm/navmaps
1.590     foxr      240: # Returns:
                    241: #   XML that defines the helper states being created.
                    242: #
                    243: # States:
                    244: #   CHOOSE_INCOMPLETE_SEQ  - Resource selector.
                    245: #
                    246: sub create_incomplete_folder_helper {
1.679     raeburn   247:     my ($helper, $map, $nocurrloc) = @_;
1.590     foxr      248: 
                    249:     my $filter    = '$res->is_problem()';
                    250:     $filter      .= ' && $res->resprintable() ';
                    251:     $filter      .= ' && $res->is_incomplete() ';
                    252: 
                    253:     my $symfilter = '$res->shown_symb()';
                    254: 
                    255:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
                    256: 						      'Select problem(s) to print',
1.679     raeburn   257: 						      'multichoice="1", toponly ="1", addstatus="1", closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'"',
1.590     foxr      258: 						      'RESOURCES',
                    259: 						      'PAGESIZE',
                    260: 						      $map,
1.699     raeburn   261: 						      $filter, '',
1.590     foxr      262: 						      $symfilter,
                    263: 						      '');
                    264: 
                    265:     return $resource_chooser;
                    266: }
                    267: 
                    268: 
                    269: #  Returns the text neded for a student chooser.
1.562     foxr      270: #  that text must still be parsed by the helper xml parser.
                    271: # Parameters:
                    272: #   this_state   - State name of the chooser.
                    273: #   sort_choice  - variable to hold the sorting choice.
                    274: #   variable     - Name of variable to hold students.
                    275: #   next_state   - State after chooser.
                    276: 
                    277: 
                    278: sub generate_student_chooser {
1.699     raeburn   279:     my ($this_state,
                    280: 	$sort_choice,
                    281: 	$variable,
1.562     foxr      282: 	$next_state) = @_;
                    283:     my $result = <<CHOOSE_STUDENTS;
                    284:   <state name="$this_state" title="Select Students and Resources">
                    285:       <message><b>Select sorting order of printout</b> </message>
                    286: 
                    287:     <choices variable="$sort_choice">
                    288:       <choice computer='0'>Sort by section then student</choice>
                    289:       <choice computer='1'>Sort by students across sections.</choice>
                    290:     </choices>
                    291: 
                    292:       <message><br /><hr /><br /> </message>
1.699     raeburn   293:       <student multichoice='1'
1.562     foxr      294:                variable="$variable" 
                    295:                nextstate="$next_state" 
                    296:                coursepersonnel="1" />
                    297:   </state>
                    298: 
                    299: CHOOSE_STUDENTS
                    300: 
                    301:   return $result;
                    302: }
                    303: 
                    304: # Generate the text needed for a resource chooser given the top level of
                    305: # the sequence/page
                    306: #
                    307: # Parameters:
                    308: #     this_state    - State name of the chooser.
                    309: #     prompt_text   - Text to use to prompt user.
                    310: #     resource_options - Resource tag options e.g.
1.661     raeburn   311: #                        "multichoice='1', toponly='1', addstatus='1',
1.699     raeburn   312: #                         modallink='1'"
1.562     foxr      313: #                     that control the selection and appearance of the
                    314: #                     resource selector.
                    315: #     variable      - Name of the variable to hold the choice
                    316: #     next_state    - Name of the next state the helper should transition
                    317: #                     to
                    318: #     top_url       - Top level URL within which to make the selector.
                    319: #                     If empty the top level sequence is shown.
                    320: #     filter        - How to filter the resources.
                    321: #     value_func    - <valuefunc> function.
                    322: #     choice_func   - If not empty generates a <choicefunc> with this function.
1.699     raeburn   323: #     start_new_option
1.562     foxr      324: #                   - Fragment appended after valuefunc.
                    325: #
                    326: #
                    327: sub generate_resource_chooser {
                    328:     my ($this_state,
                    329: 	$prompt_text,
                    330: 	$resource_options,
                    331: 	$variable,
                    332: 	$next_state,
                    333: 	$top_url,
                    334: 	$filter,
                    335: 	$choice_func,
                    336: 	$value_func,
                    337: 	$start_new_option)  = @_;
                    338: 
                    339:     my $result = <<CHOOSE_RESOURCES;
                    340: <state name="$this_state" title="$prompt_text">
                    341:     <resource variable="$variable" $resource_options
                    342:               closeallpages="1">
                    343:       <nextstate>$next_state</nextstate>
                    344:       <filterfunc>return $filter;</filterfunc>
                    345: CHOOSE_RESOURCES
                    346:     if ($choice_func ne '') {
                    347: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    348:     }
                    349:     if ($top_url ne '') {
                    350: 	$result .=  "<mapurl>$top_url</mapurl>";
                    351:     }
                    352:     $result .= <<CHOOSE_RESOURCES;
                    353:       <valuefunc>return $value_func;</valuefunc>
                    354:       $start_new_option
                    355:       </resource>
                    356:     </state>
                    357: CHOOSE_RESOURCES
                    358:     return $result;
                    359: }
                    360: #
                    361: #   Generate the helper XML for a code choice helper dialog:
                    362: #
                    363: # Paramters:
                    364: #   $helper       - Reference to the helper.
                    365: #   $state        - Name of the state for the chooser.
                    366: #   $next_state   - Name fo the state to follow the chooser.
                    367: #   $bubble_types - Populates the bubble sheet type dropt down.
                    368: #   $code_selections - Provides set of code choices that have been used
                    369: #   $saved_codes  - Provides the list of saved codes.
                    370: #
                    371: # Returns;
                    372: #   The Xml of the code chooser.
                    373: #
                    374: sub generate_code_selector {
                    375:     my ($helper,
                    376: 	$state,
                    377: 	$next_state,
                    378: 	$bubble_types,
                    379: 	$code_selections,
                    380: 	$saved_codes) = @_;	# Unpack the parameters.
                    381: 
                    382:     my $result = <<CHOOSE_ANON1;
                    383:   <state name="$state" title="Specify CODEd Assignments">
                    384:     <nextstate>$next_state</nextstate>
                    385:     <message><h4>Fill out one of the forms below</h4></message>
                    386:     <message><br /><hr /> <br /></message>
                    387:     <message><h3>Generate new CODEd Assignments</h3></message>
                    388:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      389:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      390:        <validator>
                    391: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    392: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    393:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      394: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    395: 
1.562     foxr      396: 	    return "You need to specify the number of assignments to print";
                    397: 	}
1.578     foxr      398:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    399:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    400:             return 'Specifying number of codes to print and a specific code is not compatible';
                    401:         }
1.562     foxr      402: 	return undef;
                    403:        </validator>
                    404:     </string>
                    405:     <message></td></tr><tr><td></message>
                    406:     <message><b>Names to save the CODEs under for later:</b></message>
                    407:     <message></td><td></message>
                    408:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    409:     <message></td></tr><tr><td></message>
1.599     raeburn   410:     <message><b>Bubblesheet type:</b></message>
1.562     foxr      411:     <message></td><td></message>
                    412:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    413:     $bubble_types
                    414:     </dropdown>
                    415:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    416:     <message></td></tr><tr><td></table></message>
                    417:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    418:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    419:     <string variable="SINGLE_CODE" size="10">
                    420:         <validator>
                    421: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    422: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    423: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    424: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    425: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      426: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      427: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      428: 	   } else {
                    429: 	       return undef;	# Other forces control us.
                    430: 	   }
                    431:         </validator>
                    432:     </string>
                    433:     <message></td></tr><tr><td></message>
                    434:         $code_selections
                    435:     <message></td></tr></table></message>
                    436:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    437:     <message><b>Select saved CODEs:</b></message>
                    438:     <message></td><td></message>
                    439:     <dropdown variable="REUSE_OLD_CODES">
                    440:         $saved_codes
                    441:     </dropdown>
                    442:     <message></td></tr></table></message>
                    443:   </state>
                    444: CHOOSE_ANON1
                    445: 
                    446:    return $result;
                    447: }
                    448: 
1.679     raeburn   449: sub generate_common_choosers {
                    450:     my ($r,$helper,$map,$url,$isProblem,$symbFilter,$start_new_option) = @_;
                    451: 
                    452:     my $randomly_ordered_warning =
                    453:         &get_randomly_ordered_warning($helper, $map);
                    454: 
1.699     raeburn   455:     # code for a few states used for printout launched from both
1.688     raeburn   456:     # /adm/navmaps and from a resource by a privileged user:
1.679     raeburn   457:     #   - To allow resources to be selected for printing.
                    458:     #   - To determine pagination between assignments.
                    459:     #   - To determine how many assignments should be bundled into a single PDF.
                    460: 
                    461:     my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                    462:                                                       'Select resources to print',
                    463:                                                       'multichoice="1" addstatus="1" closeallpages="1" modallink="1" suppressNavmap="1"',
                    464:                                                       'RESOURCES',
                    465:                                                       'PRINT_FORMATTING',
                    466:                                                       $map,
                    467:                                                       $isProblem, '', $symbFilter,
                    468:                                                       $start_new_option);
                    469:     $resource_selector .=  &generate_format_selector($helper,
                    470:                                                      'How should results be printed?',
                    471:                                                      'PRINT_FORMATTING').
                    472:                            &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
                    473:                                                       'Select Problem(s) to print',
                    474:                                                       "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
                    475:                                                       'RESOURCES',
                    476:                                                       'PRINT_FORMATTING',
                    477:                                                       $url,
                    478:                                                       $isProblem, '',  $symbFilter,
                    479:                                                       $start_new_option);
                    480: 
                    481: # Generate student choosers.
                    482: 
                    483:     &Apache::lonxml::xmlparse($r, 'helper',
                    484:                               &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                    485:                                                         'student_sort',
                    486:                                                         'STUDENTS',
                    487:                                                         'CHOOSE_STUDENTS_PAGE'));
                    488:     &Apache::lonxml::xmlparse($r, 'helper',
                    489:                               &generate_student_chooser('CHOOSE_STUDENTS',
                    490:                                                         'student_sort',
                    491:                                                         'STUDENTS',
                    492:                                                         'SELECT_PROBLEMS'));
                    493:     &Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
                    494: 
                    495:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    496:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                    497:     my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                    498:     my $namechoice='<choice></choice>';
                    499:     foreach my $name (sort {uc($a) cmp uc($b)} @names) {
                    500:         if ($name =~ /^error: 2 /) { next; }
                    501:         if ($name =~ /^type\0/) { next; }
                    502:         $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                    503:     }
                    504: 
                    505:     my %code_values;
                    506:     my %codes_to_print;
                    507:     foreach my $key (@names) {
                    508:         %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
                    509:         foreach my $key (keys(%code_values)) {
                    510:             $codes_to_print{$key} = 1;
                    511:         }
                    512:     }
                    513: 
                    514:     my $code_selection;
                    515:     foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
                    516:         my $choice  = $code;
                    517:         if ($code =~ /^[A-Z]+$/) { # Alpha code
                    518:             $choice = &letters_to_num($code);
                    519:         }
                    520:         push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
                    521:     }
                    522:     if (%codes_to_print) {
                    523:         $code_selection .='
                    524:         <message><b>Choose single CODE from list:</b></message>
                    525:         <message></td><td></message>
                    526:             <dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                    527:               <choice></choice>
                    528:               <exec>
                    529:                  push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                    530:               </exec>
                    531:             </dropdown>
                    532:         <message></td></tr><tr><td></message>
                    533:         '.$/;
                    534:     }
                    535: 
                    536:     my @lines = &Apache::lonnet::get_scantronformat_file();
                    537:     my $codechoice='';
                    538:     foreach my $line (@lines) {
                    539:         next if (($line =~ /^\#/) || ($line eq ''));
                    540:         my ($name,$description,$code_type,$code_length)=
                    541:             (split(/:/,$line))[0,1,2,4];
                    542:         if ($code_length > 0 &&
                    543:             $code_type =~/^(letter|number|-1)/) {
                    544:             $codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                    545:         }
                    546:     }
                    547:     if ($codechoice eq '') {
                    548:         $codechoice='<choice computer="default">Default</choice>';
                    549:     }
                    550:     my $anon1 = &generate_code_selector($helper,
                    551:                                         'CHOOSE_ANON1',
                    552:                                         'SELECT_PROBLEMS',
                    553:                                         $codechoice,
                    554:                                         $code_selection,
                    555:                                         $namechoice) . $resource_selector;
                    556: 
                    557:     &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                    558: 
                    559:     my $anon_page = &generate_code_selector($helper,
                    560:                                             'CHOOSE_ANON1_PAGE',
                    561:                                             'SELECT_PROBLEMS_PAGE',
                    562:                                             $codechoice,
                    563:                                             $code_selection,
                    564:                                             $namechoice) .
                    565:                     &generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                    566:                                                'Select Problem(s) to print',
                    567:                                                "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
                    568:                                                'RESOURCES',
                    569:                                                'PRINT_FORMATTING',
                    570:                                                $url,
                    571:                                                $isProblem, '',  $symbFilter,
                    572:                                                $start_new_option);
                    573:     &Apache::lonxml::xmlparse($r, 'helper', $anon_page);
                    574:     return ($randomly_ordered_warning,$codechoice,$code_selection,$namechoice);
                    575: }
                    576: 
1.699     raeburn   577: #  Returns the XML for choosing how assignments are to be formatted
1.598     raeburn   578: #  that text must still be parsed by the helper xml parser.
                    579: # Parameters: 3 (required)
                    580: 
                    581: #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
                    582: #                  to check if splitting PDFs by section can be offered.
1.699     raeburn   583: #   title        - Title for the current state.
1.598     raeburn   584: #   this_state   - State name of the chooser.
                    585: 
1.586     raeburn   586: sub generate_format_selector {
1.598     raeburn   587:     my ($helper,$title,$this_state) = @_;
1.586     raeburn   588:     my $secpdfoption;
                    589:     unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                    590:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
1.679     raeburn   591:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon') ||
                    592:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences_problems_for_anon') ||
                    593:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'select_sequences_resources_for_anon')) {
1.586     raeburn   594:         $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
                    595:     }
                    596:     return <<RESOURCE_SELECTOR;
1.598     raeburn   597:     <state name="$this_state" title="$title">
1.586     raeburn   598:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                    599:     <choices variable="EMPTY_PAGES">
                    600:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                    601:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                    602:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                    603:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
                    604:     </choices>
                    605:     <nextstate>PAGESIZE</nextstate>
                    606:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                    607:     <choices variable="SPLIT_PDFS">
                    608:        <choice computer="all">All assignments in a single PDF file</choice>
                    609:        $secpdfoption
                    610:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                    611:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                    612:             Specify the number of assignments per PDF:</choice>
                    613:     </choices>
                    614:     </state>
                    615: RESOURCE_SELECTOR
                    616: }
                    617: 
1.562     foxr      618: #-----------------------------------------------------------------------
                    619: 
1.616     foxr      620: # Computes an open and close date from a list of open/close dates for a resource's
                    621: # parts.
                    622: #
                    623: # @param \@opens - reference to an array of open dates.
                    624: # @param \@closes - reference to an array of close dates.
                    625: #
1.699     raeburn   626: # @return ($open, $close)
1.616     foxr      627: #
1.638     raeburn   628: # @note If open/close dates are not defined they will be returned as undef
1.699     raeburn   629: # @note It is possible for there to be no overlap in which case -1,-1
1.616     foxr      630: #       will be returned.
                    631: # @note The algorithm used is to take the latest open date and the earliest end date.
                    632: #
                    633: sub compute_open_window {
                    634:     my ($opensref, $closesref) = @_;
                    635: 
                    636:     my @opens   = @$opensref;
                    637:     my @closes  = @$closesref;
                    638: 
                    639:     # latest open date:
                    640:     my $latest_open;
                    641: 
                    642:     foreach my $open (@opens) {
                    643: 	if (!defined($latest_open) || ($open > $latest_open)) {
                    644: 	    $latest_open = $open;
                    645: 	}
                    646:     }
                    647:     # Earliest close:
                    648: 
                    649:     my $earliest_close;
                    650:     foreach my $close (@closes) {
                    651: 	if (!defined($earliest_close) || ($close < $earliest_close)) {
                    652: 	    $earliest_close = $close;
                    653: 	}
                    654:     }
                    655: 
                    656:     # If no overlap...both are -1 as promised.
                    657: 
1.638     raeburn   658:     if (($earliest_close ne '') && ($latest_open ne '')
1.616     foxr      659: 	 && ($earliest_close < $latest_open)) {
                    660: 	$latest_open  = -1;
                    661: 	$earliest_close = -1;
                    662:     }
1.699     raeburn   663: 
1.616     foxr      664:     return ($latest_open, $earliest_close);
1.699     raeburn   665: 
1.616     foxr      666: }
                    667: 
                    668: ##
                    669: #  Determines if 'now' is within the set of printable dates.
                    670: #
                    671: #  @param $open_date - Starting date/timestamp.
                    672: #  @param $close_date - Ending date/timestamp.
                    673: #
                    674: #  @return 0 - Not open.
                    675: #  @return 1 - open.
                    676: #
                    677: sub printable {
                    678:     my ($open_date, $close_date) = @_;
                    679: 
                    680: 
                    681:     my $now = time();
                    682: 
                    683:     # Have to do a bit of fancy footwork around undefined open/close dates:
                    684: 
                    685:     if ($open_date && ($open_date > $now)) {
                    686: 	return 0;
                    687:     }
                    688: 
                    689:     if ($close_date && ($close_date < $now)) {
                    690: 	return 0;
                    691:     }
1.699     raeburn   692: 
1.616     foxr      693:     return 1;
                    694: 
                    695: }
                    696: 
1.615     foxr      697: ##
                    698: # Returns the innermost print start/print end dates for a resource.
                    699: # This is done by looking at the start/end dates for its parts and choosing
                    700: # the intersection of those dates.
1.699     raeburn   701: #
1.615     foxr      702: # @param res - lonnvamaps::resource object that represents the resource.
                    703: #
                    704: # @return (opendate, closedate)
                    705: #
1.638     raeburn   706: # @note If open/close dates are not defined they will be returned as undef
1.699     raeburn   707: # @note It is possible for there to be no overlap in which case -1,-1
1.615     foxr      708: #       will be returned.
                    709: # @note The algorithm used is to take the latest open date and the earliest end date.
1.638     raeburn   710: #       For consistency with &printable() in lonnavmaps.pm determination of start
                    711: #       date for printing checks printstartdate param first, then, if not set,
                    712: #       opendate param, then, if not set, contentopen param.
1.615     foxr      713: 
                    714: sub get_print_dates {
                    715:     my $res = shift;
                    716:     my $partsref = $res->parts();
1.620     raeburn   717:     my @parts;
                    718:     if (ref($partsref) eq 'ARRAY') {
                    719:         @parts   = @{$partsref};
                    720:     }
1.615     foxr      721:     my $open_date;
                    722:     my $close_date;
1.616     foxr      723:     my @open_dates;
                    724:     my @close_dates;
                    725: 
1.615     foxr      726: 
1.620     raeburn   727:     if (@parts) {
1.615     foxr      728: 	foreach my $part (@parts) {
                    729: 	    my $partopen  = $res->parmval('printstartdate', $part);
                    730: 	    my $partclose = $res->parmval('printenddate',  $part);
1.638     raeburn   731:             if (!$partopen) {
                    732:                 $partopen = $res->parmval('opendate',$part);
                    733:             }
                    734:             if (!$partopen) {
                    735:                 $partopen = $res->parmval('contentopen',$part);
                    736:             }
                    737:             if ($partopen) {
                    738:                 push(@open_dates, $partopen);
                    739:             }
                    740:             if ($partclose) {
                    741:                 push(@close_dates, $partclose);
                    742:             }
1.616     foxr      743: 	    push(@open_dates, $partopen);
                    744: 	    push(@close_dates, $partclose);
                    745: 	}
                    746:     }
                    747: 
                    748:     ($open_date, $close_date)  = &compute_open_window(\@open_dates, \@close_dates);
                    749: 
                    750:     return ($open_date, $close_date);
                    751: }
                    752: 
                    753: ##
                    754: # Get the dates for which a course says a resource can be printed.  This is like
                    755: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
                    756: # to times either.
                    757: #
1.689     raeburn   758: # @param $res - Reference to a resource hash from lonnavmaps::resource.
1.616     foxr      759: #
                    760: # @return (opendate, closedate)
                    761: #
                    762: sub course_print_dates {
                    763:     my $res = shift;
                    764:     my $partsref = $res->parts();
                    765:     my @parts    = @$partsref;
                    766:     my $open_date;
                    767:     my $close_date;
                    768:     my @open_dates;
                    769:     my @close_dates;
                    770:     my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
                    771: 
1.688     raeburn   772:     # Don't bother looping over undefined or empty parts array;
1.616     foxr      773: 
1.620     raeburn   774:     if (@parts) {
1.616     foxr      775: 	foreach my $part (@parts) {
                    776: 	    my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
                    777: 	    push(@open_dates, $partopen);
                    778: 	    push(@close_dates, $partclose);
1.615     foxr      779: 	}
1.616     foxr      780: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
1.615     foxr      781:     }
1.616     foxr      782:     return ($open_date, $close_date);
                    783: }
                    784: ##
                    785: # Same as above but for the enclosing map:
                    786: #
                    787: sub map_print_dates {
                    788:     my $res = shift;
                    789:     my $partsref = $res->parts();
                    790:     my @parts    = @$partsref;
                    791:     my $open_date;
                    792:     my $close_date;
                    793:     my @open_dates;
                    794:     my @close_dates;
                    795:     my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
                    796: 
                    797: 
1.688     raeburn   798:     # Don't bother looping over undefined or empty parts array;
1.615     foxr      799: 
1.620     raeburn   800:     if (@parts) {
1.616     foxr      801: 	foreach my $part (@parts) {
                    802: 	    my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
                    803: 	    push(@open_dates, $partopen);
                    804: 	    push(@close_dates, $partclose);
                    805: 	}
                    806: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
                    807:     }
1.615     foxr      808:     return ($open_date, $close_date);
                    809: }
                    810: 
1.591     foxr      811: # Determine if a resource is incomplete given the map:
                    812: # Parameters:
                    813: #   $username - Name of user for whom we are checking.
                    814: #   $domain   - Domain of user we are checking.
                    815: #   $map - map name.
                    816: # Returns:
                    817: #     0 - map is not incomplete.
                    818: #     1 - map is incomplete.
                    819: #
                    820: sub incomplete {
                    821:     my ($username, $domain, $map) = @_;
                    822: 
                    823: 
1.595     foxr      824:     my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
1.699     raeburn   825: 
1.591     foxr      826: 
                    827:     if (defined($navmap)) {
                    828: 	my $res = $navmap->getResourceByUrl($map);
                    829: 	my $result = $res->is_incomplete();
                    830: 	return $result;
                    831:     } else {
                    832: 	return 1;
                    833:     }
                    834: }
1.595     foxr      835: #
1.646     raeburn   836: #  When printing for students, the resources and order of the
1.595     foxr      837: #  resources may need to be altered if there are folders with
                    838: #  random selectiopn or random ordering (or both) enabled.
                    839: #  This sub computes the set of resources to print for a student
                    840: #  modified both by random ordering and selection and filtered
1.646     raeburn   841: #  to only those that are in the original set selected to be printed.
1.595     foxr      842: #
                    843: # Parameters:
1.626     raeburn   844: #   $map - The URL of the folder being printed.
                    845: #          Used to determine which startResource and finishResource
                    846: #          to use when using the navmap's getIterator method.
                    847: #   $seq   - The original set of resources to print.
1.600     foxr      848: #            (really an array of resource names (array of symb's).
1.595     foxr      849: #   $who   - Student/domain for whome the sequence will be generated.
1.626     raeburn   850: #   $code  - CODE being printed when printing Problems/Resources
                    851: #            from folder for CODEd assignments
1.646     raeburn   852: #   $nohidemap - If true, parameter in map for hiddenresource will be
                    853: #                ignored.  The user calling the routine should have
                    854: #                both the pav and vgr privileges if this is set to true).
1.595     foxr      855: #
                    856: # Implicit inputs:
                    857: #   $
                    858: # Returns:
                    859: #   reference to an array of resources that can be passed to
                    860: #   print_resources.
1.699     raeburn   861: #
1.595     foxr      862: sub master_seq_to_person_seq {
1.631     raeburn   863:     my ($map, $seq, $who, $code, $nohidemap) = @_;
1.595     foxr      864: 
                    865: 
                    866:     my ($username, $userdomain, $usersection) = split(/:/, $who);
                    867: 
                    868:     # Toss the sequence up into a hash so that we have O(1) lookup time.
                    869:     # on the items that come out of the user's list of resources.
                    870:     #
1.626     raeburn   871: 
1.595     foxr      872:     my %seq_hash = map {$_  => 1} @$seq;
                    873:     my @output_seq;
1.631     raeburn   874: 
                    875:     my $unhidden;
1.647     raeburn   876:     if ($nohidemap) {
1.631     raeburn   877:         $unhidden = &Apache::lonnet::clutter($map);
                    878:     }
1.699     raeburn   879: 
1.625     raeburn   880:     my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain,
1.631     raeburn   881:                                                            $code, $unhidden);
1.626     raeburn   882:     my ($start,$finish);
1.595     foxr      883: 
1.626     raeburn   884:     if ($map) {
                    885:         my $mapres = $navmap->getResourceByUrl($map);
                    886:         if ($mapres->is_map()) {
                    887:             $start = $mapres->map_start();
                    888:             $finish = $mapres->map_finish();
                    889:         }
                    890:     }
                    891:     unless ($start && $finish) {
                    892:         $start = $navmap->firstResource();
                    893:         $finish = $navmap->finishResource();
                    894:     }
                    895: 
                    896:     my $iterator         = $navmap->getIterator($start,$finish,{},1);
1.595     foxr      897: 
                    898:     #  Iterate on the resource..select the items that are randomly selected
1.688     raeburn   899:     #  and that are in the seq_hash.  Presumably the iterator will take care
1.689     raeburn   900:     #  of the random ordering part of the deal.
1.595     foxr      901:     #
                    902:     my $curres;
                    903:     while ($curres = $iterator->next()) {
                    904: 	#
1.600     foxr      905: 	#  Only process resources..that are not removed by randomout...
                    906: 	#  and are selected for printint as well.
1.595     foxr      907: 	#
1.626     raeburn   908:         if (ref($curres) && ! $curres->randomout()) {
                    909:             my $currsymb = $curres->symb();
                    910:             if (exists($seq_hash{$currsymb})) {
                    911:                 push(@output_seq, $currsymb);
1.595     foxr      912: 	    }
                    913: 	}
                    914:     }
                    915: 
                    916:     return \@output_seq;		# for now.
1.699     raeburn   917: 
1.595     foxr      918: }
                    919: 
1.515     foxr      920: 
1.498     foxr      921: # Fetch the contents of a resource, uninterpreted.
                    922: # This is used here to fetch a latex file to be included
                    923: # verbatim into the printout<
                    924: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    925: #
                    926: # Parameters:
                    927: #   URL of the file
                    928: #
                    929: sub fetch_raw_resource {
                    930:     my ($url) = @_;
                    931: 
                    932:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      933:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      934: 
1.500     foxr      935:     if ($contents == -1) {
                    936: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      937:     }
1.500     foxr      938:     return $contents;
1.498     foxr      939: 
1.699     raeburn   940: 
1.498     foxr      941: }
                    942: 
1.699     raeburn   943: #  Fetch the annotations associated with a URL and
1.511     foxr      944: #  put a centered 'annotations:' title.
                    945: #  This is all suppressed if the annotations are empty.
                    946: #
                    947: sub annotate {
                    948:     my ($symb) = @_;
                    949: 
1.559     foxr      950:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      951: 
                    952: 
                    953:     my $result = "";
                    954: 
                    955:     if (length($annotation_text) > 0) {
                    956: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    957: 	$result .= "\n";
                    958: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    959: 	$result .= "\n\n";
                    960:     }
                    961:     return $result;
                    962: }
                    963: 
1.556     foxr      964: #
                    965: #   Set a global document font size:
                    966: #   This is done by replacing \begin{document}
                    967: #   with \begin{document}{\some-font-directive
                    968: #   and \end{document} with
                    969: #   }\end{document
                    970: #
                    971: sub set_font_size {
                    972: 
                    973:     my ($text) = @_;
                    974: 
1.575     foxr      975:     # There appear to be cases where the font directive is empty.. in which
1.688     raeburn   976:     # case the first substitution would insert a spurious \ oh happy day.
1.575     foxr      977:     # as this has been the cause of much mystery and hair pulling _sigh_
                    978: 
                    979:     if ($font_size ne '') {
                    980: 
1.649     raeburn   981: 	$text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/;
1.669     raeburn   982:         $text =~ s/\\end\{document}/}\\end{document}/;
                    983: 
1.575     foxr      984:     }
1.556     foxr      985:     return $text;
                    986: 
                    987: 
                    988: }
                    989: 
1.699     raeburn   990: # include_pdf - PDF files are included into the
1.550     foxr      991: # output as follows:
                    992: #  - The PDF, if necessary, is replicated.
                    993: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    994: #  - The LaTeX is added to include the final converted postscript in the file as an included
1.688     raeburn   995: #    job.  The assumption is that the includepsheader.ps header will be included.
1.550     foxr      996: #
                    997: # Parameters:
                    998: #   pdf_uri   - URI of the PDF file to include.
1.699     raeburn   999: #
1.550     foxr     1000: # Returns:
                   1001: #  The LaTeX to include.
                   1002: #
                   1003: # Assumptions:
                   1004: #    The uri is actually a PDF file
                   1005: #    The postscript will have the includepsheader.ps included.
                   1006: #
                   1007: #
                   1008: sub include_pdf {
                   1009:     my ($pdf_uri) = @_;
                   1010: 
                   1011:     # Where is the file? If not local we'll need to repcopy it:'
                   1012: 
                   1013:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                   1014:     if (! -e $file) {
                   1015: 	&Apache::lonnet::repcopy($file);
                   1016: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                   1017:     }
                   1018: 
1.688     raeburn  1019:     #  The file is now replicated locally ... or it did not exist in the first place
1.550     foxr     1020:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
1.688     raeburn  1021:     # need to be converted for this print job:
1.550     foxr     1022: 
1.608     raeburn  1023:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
                   1024:     $file =~ s{(.*)/res/}{$londocroot/res/};
1.550     foxr     1025: 
1.659     raeburn  1026:     open(FILE,">>","$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.550     foxr     1027:     print FILE ("$file\n");
                   1028:     close (FILE);
                   1029: 
                   1030:     # Construct the special to put out.  To do this we need to get the
                   1031:     # resulting filename after conversion.  The file will have the same name
                   1032:     # but will be in the user's spool directory with converted images.
                   1033: 
                   1034:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                   1035:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                   1036: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                   1037:     $base =~ s/ /\_/g;
                   1038: 
                   1039: 
1.551     foxr     1040:     my $output = &print_latex_header();
1.550     foxr     1041:     $output    .= '\special{ps: _begin_job_ ('
                   1042: 	.$base.'.pdf.eps'.
                   1043: 	')run _end_job_}';
                   1044: 
                   1045:     return $output;
                   1046: 
                   1047: 
                   1048: }
1.612     foxr     1049: ##
                   1050: #  Collect the various \select_language{language_name}
                   1051: #  latex tags to build a \usepackage[lang-list]{babel} which will
                   1052: #  appear just prior to the \begin{document} at the front of the concatenated
                   1053: #  set of resources:
                   1054: # @param doc - The string of latex to search/replace.
                   1055: # @return string
                   1056: # @retval - the modified document stringt.
                   1057: #
                   1058: sub collect_languages {
                   1059:     my $doc = shift;
                   1060:     my %languages;
1.649     raeburn  1061:     while ($doc =~ /\\selectlanguage\{(\w+)}/mg) {
1.612     foxr     1062: 	$languages{$1} = 1;	# allows us to request each language exactly once.
                   1063:     }
                   1064:     my @lang_list = (keys(%languages)); # List of unique languages
                   1065:     if (scalar @lang_list) {
                   1066: 	my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
1.649     raeburn  1067: 	$doc =~ s/\\begin\{document}/$babel_header\\begin{document}/;
1.612     foxr     1068:     }
                   1069:     return $doc;
                   1070: }
                   1071: #-------------------------------------------------------------------
1.515     foxr     1072: 
                   1073: #
1.559     foxr     1074: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr     1075: #                      if the ssi call returns an error we'll retry it up to
                   1076: #                      the number of times requested by the caller.
                   1077: #                      If we still have a proble, no text is appended to the
                   1078: #                      output and we set some global variables.
1.699     raeburn  1079: #                      to indicate to the caller an SSI error occurred.
1.515     foxr     1080: #                      All of this is supposed to deal with the issues described
                   1081: #                      in LonCAPA BZ 5631 see:
                   1082: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                   1083: #                      by informing the user that this happened.
                   1084: #
                   1085: # Parameters:
                   1086: #   resource   - The resource to include.  This is passed directly, without
                   1087: #                interpretation to lonnet::ssi.
                   1088: #   form       - The form hash parameters that guide the interpretation of the resource
1.699     raeburn  1089: #
1.515     foxr     1090: #   retries    - Number of retries allowed before giving up completely.
                   1091: # Returns:
                   1092: #   On success, returns the rendered resource identified by the resource parameter.
                   1093: # Side Effects:
                   1094: #   The following global variables can be set:
1.523     raeburn  1095: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr     1096: #                               It is up to the caller to initialize this to false
                   1097: #                               if desired.
1.523     raeburn  1098: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr     1099: #                               of the resource that could not be rendered by the ssi
                   1100: #                               call.
                   1101: #    ssi_last_error           - The error string fetched from the ssi response
                   1102: #                               in the event of an error.
                   1103: #
                   1104: sub ssi_with_retries {
                   1105:     my ($resource, $retries, %form) = @_;
                   1106: 
1.559     foxr     1107:     my $target = $form{'grade_target'};
                   1108:     my $aom    = $form{'answer_output_mode'};
                   1109: 
                   1110: 
1.515     foxr     1111: 
1.516     foxr     1112:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                   1113:     if (!$response->is_success) {
1.515     foxr     1114: 	$ssi_error               = 1;
                   1115: 	$ssi_last_error_resource = $resource;
1.516     foxr     1116: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn  1117:         $content='\section*{!!! An error occurred !!!}';	
1.515     foxr     1118:     }
1.516     foxr     1119: 
                   1120:     return $content;
                   1121: 
1.515     foxr     1122: }
                   1123: 
1.524     www      1124: sub get_student_view_with_retries {
                   1125:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                   1126: 
                   1127:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                   1128:     if (!$response->is_success) {
                   1129:         $ssi_error               = 1;
1.526     www      1130:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www      1131:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn  1132:         $content='\section*{!!! An error occurred !!!}';
1.524     www      1133:     }
                   1134:     return $content;
                   1135: 
                   1136: }
                   1137: 
1.486     foxr     1138: #
                   1139: #   printf_style_subst  item format_string repl
1.699     raeburn  1140: #
1.486     foxr     1141: # Does printf style substitution for a format string that
                   1142: # can have %[n]item in it.. wherever, %[n]item occurs,
                   1143: # rep is substituted in format_string.  Note that
                   1144: # [n] is an optional integer length.  If provided,
1.699     raeburn  1145: # repl is truncated to at most [n] characters prior to
1.486     foxr     1146: # substitution.
                   1147: #
                   1148: sub printf_style_subst {
                   1149:     my ($item, $format_string, $repl) = @_;
1.490     foxr     1150:     my $result = "";
                   1151:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel 1152: 	my $fmt = $1;
                   1153: 	my $size = $2;
1.486     foxr     1154: 	my $subst = $repl;
                   1155: 	if ($size ne "") {
                   1156: 	    $subst = substr($subst, 0, $size);
1.699     raeburn  1157: 
1.689     raeburn  1158: 	    #  Here's a nice edge case ... suppose the end of the
1.688     raeburn  1159: 	    #  substring is a \.  In that case may have just
1.490     foxr     1160: 	    #  chopped off a TeX escape... in that case, we append
1.699     raeburn  1161: 	    #   " " for the trailing character, and let the field
1.490     foxr     1162: 	    #  spill over a bit (sigh).
                   1163: 	    #  We don't just chop off the last character in order to deal
                   1164: 	    #  with one last pathology, and that would be if substr had
1.699     raeburn  1165: 	    #  trimmed us to e.g. \\\
1.490     foxr     1166: 
                   1167: 
                   1168: 	    if ($subst =~ /\\$/) {
                   1169: 		$subst .= " ";
                   1170: 	    }
1.486     foxr     1171: 	}
1.490     foxr     1172: 	my $item_pos = pos($format_string);
                   1173: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                   1174:         $format_string = substr($format_string, pos($format_string));
1.486     foxr     1175:     }
1.490     foxr     1176: 
                   1177:     # Put the residual format string into the result:
                   1178: 
                   1179:     $result .= $format_string;
                   1180: 
                   1181:     return $result;
1.486     foxr     1182: }
                   1183: 
1.454     foxr     1184: 
1.699     raeburn  1185: # Format a header according to a format.
                   1186: #
1.454     foxr     1187: 
                   1188: # Substitutions:
                   1189: #     %a    - Assignment name.
                   1190: #     %c    - Course name.
                   1191: #     %n    - Student name.
1.537     foxr     1192: #     %s    - The section if it is supplied.
1.454     foxr     1193: #
                   1194: sub format_page_header {
1.537     foxr     1195:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                   1196: 
1.565     foxr     1197: 
                   1198: 
1.486     foxr     1199:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr     1200:     my $chars_per_line = int($width/1.6);   # Character/textline.
                   1201: 
1.454     foxr     1202:     #  Default format?
                   1203: 
                   1204:     if ($format eq '') {
1.486     foxr     1205: 	# For the default format, we may need to truncate
                   1206: 	# elements..  To do this we need to get the page width.
                   1207: 	# we assume that each character is about 2mm in width.
                   1208: 	# (correct for the header text size??).  We ignore
                   1209: 	# any formatting (e.g. boldfacing in this).
1.699     raeburn  1210: 	#
1.486     foxr     1211: 	# - Allow the student/course to be one line.
                   1212: 	#   but only truncate the course.
                   1213: 	# - Allow the assignment to be 2 lines (wrapped).
                   1214: 	#
1.565     foxr     1215: 
1.537     foxr     1216: 	
                   1217: 
                   1218: 	my $name_length    = int($chars_per_line *3 /4);
                   1219: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr     1220: 
1.537     foxr     1221: 	$format  = "%$name_length".'n';
1.486     foxr     1222: 
1.537     foxr     1223: 	if ($section) {
                   1224: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr     1225: 	}
1.700     raeburn  1226: 	$format .= '\\hfill\\thepage';
1.489     foxr     1227: 
1.537     foxr     1228: 	$format .= '\\\\%c \\\\ %a';
1.699     raeburn  1229: 
1.490     foxr     1230: 
1.454     foxr     1231:     }
1.537     foxr     1232:     # An open question is how to handle long user formatted page headers...
                   1233:     # A possible future is to support e.g. %na so that the user can control
                   1234:     # the truncation of the elements that can appear in the header.
                   1235:     #
                   1236:     $format =  &printf_style_subst("a", $format, $assignment);
                   1237:     $format =  &printf_style_subst("c", $format, $course);
                   1238:     $format =  &printf_style_subst("n", $format, $student);
                   1239:     $format =  &printf_style_subst("s", $format, $section);
1.699     raeburn  1240: 
                   1241: 
1.537     foxr     1242:     # If the user put %'s in the format string, they  must be escaped
                   1243:     # to \% else LaTeX will think they are comments and terminate
                   1244:     # the line.. which is bad!!!
1.699     raeburn  1245: 
1.538     onken    1246:     # If the user has role author, $course and $assignment are empty so
                   1247:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                   1248:     if($format =~ /\\\\\s\\\\\s/) {
                   1249:         #TODO find sensible caption for page header
1.633     raeburn  1250:         my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout ');
1.538     onken    1251:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                   1252:     }
1.565     foxr     1253:     #
                   1254:     #  We're going to trust LaTeX to break lines appropriately, but
                   1255:     #  we'll truncate anything that's more than 3 lines worth of
                   1256:     # text.  This is also assuming (which will probably end badly)
                   1257:     # nobody's going to embed LaTeX control sequences in the title
                   1258:     # header or rather that those control sequences won't get broken
                   1259:     # by the stuff below.
                   1260:     #
                   1261:     my $total_length = 3*$chars_per_line;
                   1262:     if (length($format) > $total_length) {
                   1263: 	$format = substr($format, 0, $total_length);
                   1264:     }
                   1265: 
1.454     foxr     1266: 
                   1267:     return $format;
1.699     raeburn  1268: 
1.454     foxr     1269: }
1.397     albertel 1270: 
1.385     foxr     1271: #
                   1272: #   Convert a numeric code to letters
                   1273: #
                   1274: sub num_to_letters {
                   1275:     my ($num) = @_;
                   1276:     my @nums= split('',$num);
                   1277:     my @num_to_let=('A'..'Z');
                   1278:     my $word;
                   1279:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1280:     return $word;
                   1281: }
                   1282: #   Convert a letter code to numeric.
                   1283: #
                   1284: sub letters_to_num {
                   1285:     my ($letters) = @_;
                   1286:     my @letters = split('', uc($letters));
1.490     foxr     1287:    my %substitution;
1.385     foxr     1288:     my $digit = 0;
                   1289:     foreach my $letter ('A'..'J') {
                   1290: 	$substitution{$letter} = $digit;
                   1291: 	$digit++;
                   1292:     }
                   1293:     #  The substitution is done as below to preserve leading
                   1294:     #  zeroes which are needed to keep the code size exact
                   1295:     #
                   1296:     my $result ="";
                   1297:     foreach my $letter (@letters) {
                   1298: 	$result.=$substitution{$letter};
                   1299:     }
                   1300:     return $result;
                   1301: }
                   1302: 
1.383     foxr     1303: #  Determine if a code is a valid numeric code.  Valid
                   1304: #  numeric codes must be comprised entirely of digits and
1.384     albertel 1305: #  have a correct number of digits.
1.383     foxr     1306: #
                   1307: #  Parameters:
                   1308: #     value      - proposed code value.
1.384     albertel 1309: #     num_digits - Number of digits required.
1.383     foxr     1310: #
                   1311: sub is_valid_numeric_code {
1.384     albertel 1312:     my ($value, $num_digits) = @_;
1.383     foxr     1313:     #   Remove leading/trailing whitespace;
1.387     foxr     1314:     $value =~ s/^\s*//g;
                   1315:     $value =~ s/\s*$//g;
1.699     raeburn  1316: 
1.383     foxr     1317:     #  All digits?
1.387     foxr     1318:     if ($value !~ /^[0-9]+$/) {
1.383     foxr     1319: 	return "Numeric code $value has invalid characters - must only be digits";
                   1320:     }
1.384     albertel 1321:     if (length($value) != $num_digits) {
                   1322: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                   1323:     }
1.385     foxr     1324:     return undef;
1.383     foxr     1325: }
                   1326: #   Determines if a code is a valid alhpa code.  Alpha codes
                   1327: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel 1328: #   They also have a correct digit count.
1.383     foxr     1329: # Parameters:
                   1330: #     value          - Proposed code value.
1.384     albertel 1331: #     num_letters    - correct number of letters.
1.383     foxr     1332: # Note:
                   1333: #    leading and trailing whitespace are ignored.
                   1334: #
                   1335: sub is_valid_alpha_code {
1.384     albertel 1336:     my ($value, $num_letters) = @_;
1.699     raeburn  1337: 
1.383     foxr     1338:      # strip leading and trailing spaces.
                   1339: 
                   1340:     $value =~ s/^\s*//g;
                   1341:     $value =~ s/\s*$//g;
                   1342: 
                   1343:     #  All alphas in the right range?
1.384     albertel 1344:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr     1345: 	return "Invalid letter code $value must only contain A-J";
                   1346:     }
1.384     albertel 1347:     if (length($value) != $num_letters) {
                   1348: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                   1349:     }
1.385     foxr     1350:     return undef;
1.383     foxr     1351: }
                   1352: 
1.382     foxr     1353: #   Determine if a code entered by the user in a helper is valid.
                   1354: #   valid depends on the code type and the type of code selected.
1.699     raeburn  1355: #   The type of code selected can either be numeric or
1.382     foxr     1356: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                   1357: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                   1358: #   We'll be nice and be case insensitive for alpha codes.
                   1359: # Parameters:
                   1360: #    code_value    - the value of the code the user typed in.
                   1361: #    code_option   - The code type selected from the set in the scantron format
                   1362: #                    table.
                   1363: # Returns:
                   1364: #    undef         - The code is valid.
                   1365: #    other         - An error message indicating what's wrong.
                   1366: #
                   1367: sub is_code_valid {
                   1368:     my ($code_value, $code_option) = @_;
1.383     foxr     1369:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.668     raeburn  1370:     my @lines = &Apache::lonnet::get_scantronformat_file();
1.542     raeburn  1371:     foreach my $line (@lines) {
1.678     raeburn  1372:         next if (($line =~ /^\#/) || ($line eq ''));
1.383     foxr     1373: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                   1374: 	if($name eq $code_option) {
                   1375: 	    $code_length = $length;
                   1376: 	    if($type eq 'number') {
                   1377: 		$code_type = 'number';
                   1378: 	    }
                   1379: 	}
                   1380:     }
                   1381:     my $valid;
                   1382:     if ($code_type eq 'number') {
1.385     foxr     1383: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr     1384:     } else {
1.385     foxr     1385: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr     1386:     }
1.382     foxr     1387: 
                   1388: }
1.618     foxr     1389: #
                   1390: # Compare two students by section (Used to sort by section).
                   1391: #
1.699     raeburn  1392: #  Implicit inputs,
1.618     foxr     1393: #    $a - The first one
                   1394: #    $b - The second one.
                   1395: #
                   1396: #  Returns:
                   1397: #     a-section cmp b-section
                   1398: #
                   1399: sub compare_sections {
                   1400:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1401:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1402: 
                   1403:     return $s1 cmp $s2;
                   1404: }
1.382     foxr     1405: 
1.341     foxr     1406: #   Compare two students by name.  The students are in the form
                   1407: #   returned by the helper:
                   1408: #      user:domain:section:last,   first:status
                   1409: #   This is a helper function for the perl sort built-in  therefore:
                   1410: # Implicit Inputs:
                   1411: #    $a     - The first element to compare (global)
                   1412: #    $b     - The second element to compare (global)
                   1413: # Returns:
                   1414: #   -1   - $a < $b
                   1415: #    0   - $a == $b
                   1416: #   +1   - $a > $b
                   1417: #   Note that the initial comparison is done on the last names with the
                   1418: #   first names only used to break the tie.
                   1419: #
                   1420: #
                   1421: sub compare_names {
                   1422:     #  First split the names up into the primary fields.
                   1423: 
                   1424:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1425:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1426: 
                   1427:     # Now split the last name and first name of each n:
                   1428:     #
                   1429: 
                   1430:     my ($l1,$f1) = split(/,/, $n1);
                   1431:     my ($l2,$f2) = split(/,/, $n2);
                   1432: 
                   1433:     # We don't bother to remove the leading/trailing whitespace from the
                   1434:     # firstname, unless the last names compare identical.
                   1435: 
                   1436:     if($l1 lt $l2) {
                   1437: 	return -1;
                   1438:     }
                   1439:     if($l1 gt $l2) {
                   1440: 	return  1;
                   1441:     }
                   1442: 
                   1443:     # Break the tie on the first name, but there are leading (possibly trailing
1.688     raeburn  1444:     # whitespaces to get rid of first)
1.341     foxr     1445:     #
                   1446:     $f1 =~ s/^\s+//;		# Remove leading...
                   1447:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
1.699     raeburn  1448: 
1.341     foxr     1449:     $f2 =~ s/^\s+//;
                   1450:     $f2 =~ s/\s+$//;		# And the same for first 2...
                   1451: 
                   1452:     if($f1 lt $f2) {
                   1453: 	return -1;
                   1454:     }
                   1455:     if($f1 gt $f2) {
                   1456: 	return 1;
                   1457:     }
1.699     raeburn  1458: 
1.341     foxr     1459:     #  Must be the same name.
                   1460: 
                   1461:     return 0;
                   1462: }
                   1463: 
1.71      sakharuk 1464: sub latex_header_footer_remove {
                   1465:     my $text = shift;
1.649     raeburn  1466:     $text =~ s/\\end\{document}//;
                   1467:     $text =~ s/\\documentclass([^&]*)\\begin\{document}//;
1.71      sakharuk 1468:     return $text;
                   1469: }
1.423     foxr     1470: #
1.699     raeburn  1471: #  If necessary, encapsulate text inside
1.423     foxr     1472: #  a minipage env.
                   1473: #  necessity is determined by the problem_split param.
                   1474: #
                   1475: sub encapsulate_minipage {
1.676     raeburn  1476:     my ($text,$problem_split) = @_;
                   1477:     if (!($problem_split =~ /yes/i)) {
1.423     foxr     1478: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                   1479:     }
                   1480:     return $text;
                   1481: }
1.429     foxr     1482: #
                   1483: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                   1484: #  variables interact, this sub looks at these two parameters
                   1485: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                   1486: #     all     - if SPLIT_PDFS eq 'all'.
                   1487: #     1       - if SPLIT_PDFS eq 'oneper'
                   1488: #     section - if SPLIT_PDFS eq 'sections'
                   1489: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                   1490: #
                   1491: sub adjust_number_to_print {
                   1492:     my $helper = shift;
1.71      sakharuk 1493: 
1.429     foxr     1494:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
1.699     raeburn  1495: 
1.429     foxr     1496:     if ($split_pdf eq 'all') {
                   1497: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                   1498:     } elsif ($split_pdf eq 'oneper') {
                   1499: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                   1500:     } elsif ($split_pdf eq 'sections') {
                   1501: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                   1502:     } elsif ($split_pdf eq 'usenumber') {
                   1503: 	#  Unmodified.
                   1504:     } else {
                   1505: 	# Error!!!!
1.536     foxr     1506: 	
                   1507: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr     1508: 
                   1509:     }
                   1510: }
1.71      sakharuk 1511: 
1.531     foxr     1512: 
1.37      sakharuk 1513: sub character_chart {
1.531     foxr     1514:     my $result = shift;
                   1515:     return  &Apache::entities::replace_entities($result);
                   1516: }
                   1517: 
                   1518: sub old_character_chart {
1.37      sakharuk 1519:     my $result = shift;	
1.116     sakharuk 1520:     $result =~ s/&\#0?0?(7|9);//g;
                   1521:     $result =~ s/&\#0?(10|13);//g;
                   1522:     $result =~ s/&\#0?32;/ /g;
                   1523:     $result =~ s/&\#0?33;/!/g;
                   1524:     $result =~ s/&(\#0?34|quot);/\"/g;
                   1525:     $result =~ s/&\#0?35;/\\\#/g;
                   1526:     $result =~ s/&\#0?36;/\\\$/g;
1.699     raeburn  1527:     $result =~ s/&\#0?37;/\\%/g;
                   1528:     $result =~ s/&(\#0?38|amp);/\\&/g;
1.116     sakharuk 1529:     $result =~ s/&\#(0?39|146);/\'/g;
                   1530:     $result =~ s/&\#0?40;/(/g;
                   1531:     $result =~ s/&\#0?41;/)/g;
                   1532:     $result =~ s/&\#0?42;/\*/g;
                   1533:     $result =~ s/&\#0?43;/\+/g;
                   1534:     $result =~ s/&\#(0?44|130);/,/g;
                   1535:     $result =~ s/&\#0?45;/-/g;
                   1536:     $result =~ s/&\#0?46;/\./g;
                   1537:     $result =~ s/&\#0?47;/\//g;
                   1538:     $result =~ s/&\#0?48;/0/g;
                   1539:     $result =~ s/&\#0?49;/1/g;
                   1540:     $result =~ s/&\#0?50;/2/g;
                   1541:     $result =~ s/&\#0?51;/3/g;
                   1542:     $result =~ s/&\#0?52;/4/g;
                   1543:     $result =~ s/&\#0?53;/5/g;
                   1544:     $result =~ s/&\#0?54;/6/g;
                   1545:     $result =~ s/&\#0?55;/7/g;
                   1546:     $result =~ s/&\#0?56;/8/g;
                   1547:     $result =~ s/&\#0?57;/9/g;
1.269     albertel 1548:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk 1549:     $result =~ s/&\#0?59;/;/g;
                   1550:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk 1551:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                   1552:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk 1553:     $result =~ s/&\#0?63;/\?/g;
                   1554:     $result =~ s/&\#0?65;/A/g;
                   1555:     $result =~ s/&\#0?66;/B/g;
                   1556:     $result =~ s/&\#0?67;/C/g;
                   1557:     $result =~ s/&\#0?68;/D/g;
                   1558:     $result =~ s/&\#0?69;/E/g;
                   1559:     $result =~ s/&\#0?70;/F/g;
                   1560:     $result =~ s/&\#0?71;/G/g;
                   1561:     $result =~ s/&\#0?72;/H/g;
                   1562:     $result =~ s/&\#0?73;/I/g;
                   1563:     $result =~ s/&\#0?74;/J/g;
                   1564:     $result =~ s/&\#0?75;/K/g;
                   1565:     $result =~ s/&\#0?76;/L/g;
                   1566:     $result =~ s/&\#0?77;/M/g;
                   1567:     $result =~ s/&\#0?78;/N/g;
                   1568:     $result =~ s/&\#0?79;/O/g;
                   1569:     $result =~ s/&\#0?80;/P/g;
                   1570:     $result =~ s/&\#0?81;/Q/g;
                   1571:     $result =~ s/&\#0?82;/R/g;
                   1572:     $result =~ s/&\#0?83;/S/g;
                   1573:     $result =~ s/&\#0?84;/T/g;
                   1574:     $result =~ s/&\#0?85;/U/g;
                   1575:     $result =~ s/&\#0?86;/V/g;
                   1576:     $result =~ s/&\#0?87;/W/g;
                   1577:     $result =~ s/&\#0?88;/X/g;
                   1578:     $result =~ s/&\#0?89;/Y/g;
                   1579:     $result =~ s/&\#0?90;/Z/g;
                   1580:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk 1581:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk 1582:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk 1583:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk 1584:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                   1585:     $result =~ s/&\#(0?96|145);/\`/g;
                   1586:     $result =~ s/&\#0?97;/a/g;
                   1587:     $result =~ s/&\#0?98;/b/g;
                   1588:     $result =~ s/&\#0?99;/c/g;
                   1589:     $result =~ s/&\#100;/d/g;
                   1590:     $result =~ s/&\#101;/e/g;
                   1591:     $result =~ s/&\#102;/f/g;
                   1592:     $result =~ s/&\#103;/g/g;
                   1593:     $result =~ s/&\#104;/h/g;
                   1594:     $result =~ s/&\#105;/i/g;
                   1595:     $result =~ s/&\#106;/j/g;
                   1596:     $result =~ s/&\#107;/k/g;
                   1597:     $result =~ s/&\#108;/l/g;
                   1598:     $result =~ s/&\#109;/m/g;
                   1599:     $result =~ s/&\#110;/n/g;
                   1600:     $result =~ s/&\#111;/o/g;
                   1601:     $result =~ s/&\#112;/p/g;
                   1602:     $result =~ s/&\#113;/q/g;
                   1603:     $result =~ s/&\#114;/r/g;
                   1604:     $result =~ s/&\#115;/s/g;
                   1605:     $result =~ s/&\#116;/t/g;
                   1606:     $result =~ s/&\#117;/u/g;
                   1607:     $result =~ s/&\#118;/v/g;
                   1608:     $result =~ s/&\#119;/w/g;
                   1609:     $result =~ s/&\#120;/x/g;
                   1610:     $result =~ s/&\#121;/y/g;
                   1611:     $result =~ s/&\#122;/z/g;
                   1612:     $result =~ s/&\#123;/\\{/g;
                   1613:     $result =~ s/&\#124;/\|/g;
                   1614:     $result =~ s/&\#125;/\\}/g;
                   1615:     $result =~ s/&\#126;/\~/g;
                   1616:     $result =~ s/&\#131;/\\textflorin /g;
                   1617:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk 1618:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                   1619:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                   1620:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk 1621:     $result =~ s/&\#137;/\\textperthousand /g;
                   1622:     $result =~ s/&\#140;/{\\OE}/g;
                   1623:     $result =~ s/&\#147;/\`\`/g;
                   1624:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk 1625:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel 1626:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk 1627:     $result =~ s/&\#151;/---/g;
1.281     sakharuk 1628:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk 1629:     $result =~ s/&\#153;/\\texttrademark /g;
                   1630:     $result =~ s/&\#156;/\\oe/g;
                   1631:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel 1632:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk 1633:     $result =~ s/&(\#161|iexcl);/!\`/g;
                   1634:     $result =~ s/&(\#162|cent);/\\textcent /g;
1.699     raeburn  1635:     $result =~ s/&(\#163|pound);/\\pounds /g;
1.116     sakharuk 1636:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                   1637:     $result =~ s/&(\#165|yen);/\\textyen /g;
                   1638:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                   1639:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr     1640:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk 1641:     $result =~ s/&(\#169|copy);/\\copyright /g;
                   1642:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk 1643:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk 1644:     $result =~ s/&(\#173|shy);/ - /g;
                   1645:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk 1646:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                   1647:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                   1648:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                   1649:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                   1650:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr     1651:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk 1652:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk 1653:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk 1654:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk 1655:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk 1656:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk 1657:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                   1658:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                   1659:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                   1660:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
1.699     raeburn  1661:     $result =~ s/&(\#191|iquest);/?\`/g;
                   1662:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;
                   1663:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g;
1.116     sakharuk 1664:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                   1665:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
1.699     raeburn  1666:     $result =~ s/&(\#196|Auml);/\\\"{A}/g;
1.116     sakharuk 1667:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                   1668:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                   1669:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
1.699     raeburn  1670:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;
                   1671:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;
1.116     sakharuk 1672:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                   1673:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                   1674:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
1.699     raeburn  1675:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;
1.116     sakharuk 1676:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
1.699     raeburn  1677:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;
1.116     sakharuk 1678:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                   1679:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                   1680:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                   1681:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                   1682:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
1.699     raeburn  1683:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;
1.281     sakharuk 1684:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk 1685:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
1.699     raeburn  1686:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;
1.116     sakharuk 1687:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                   1688:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                   1689:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                   1690:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk 1691:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk 1692:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                   1693:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                   1694:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                   1695:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                   1696:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                   1697:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                   1698:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1699:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1700:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1701:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1702:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1703:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1704:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1705:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1706:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1707:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1708:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1709:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1710:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1711:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1712:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1713:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1714:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1715:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1716:     $result =~ s/&(\#248|oslash);/{\\o}/g;
1.699     raeburn  1717:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g;
1.116     sakharuk 1718:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1719:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1720:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1721:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1722:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1723:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1724:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1725: #Greek Alphabet
1.281     sakharuk 1726:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1727:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1728:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1729:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1730:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1731:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1732:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1733:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1734:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1735:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1736:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1737:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1738:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1739:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1740:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1741:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1742:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1743:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1744:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1745:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1746:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1747:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1748:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1749:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1750:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1751:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1752:     $result =~ s/&(Alpha|\#913);/A/g;
                   1753:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1754:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1755:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1756:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1757:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1758:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1759:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1760:     $result =~ s/&(Iota|\#921);/I/g;
                   1761:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1762:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1763:     $result =~ s/&(Mu|\#924);/M/g;
                   1764:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1765:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1766:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1767:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1768:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1769:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1770:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1771:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1772:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1773:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1774:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1775:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1776: #Arrows (extended HTML 4.01)
1.281     sakharuk 1777:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1778:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1779:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1780:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1781:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1782:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1783:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1784:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1785:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1786:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1787: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1788:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1789:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1790:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1791:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1792:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1793:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1794:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1795:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1796:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1797:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1798:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1799:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1800:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1801:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1802:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1803:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1804:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1805:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1806:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1807:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1808:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1809:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1810:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1811:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1812:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1813:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1814:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1815:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1816:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1817:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1818:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1819:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1820:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1821:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1822:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1823:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1824:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1825:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1826: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1827:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1828: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1829:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1830:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1831:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1832:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1833: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1834: 
1.495     foxr     1835:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1836:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1837:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1838:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1839:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1840:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1841:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1842:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1843:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1844:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1845:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1846:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1847:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1848: 
                   1849:     # Left/right quotations:
                   1850: 
                   1851:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1852:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1853: 
                   1854: 
1.559     foxr     1855: 
1.37      sakharuk 1856:     return $result;
                   1857: }
1.41      sakharuk 1858: 
                   1859: 
1.327     albertel 1860:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1861: my %page_formats=
                   1862:     ('letter' => {
                   1863: 	 'book' => {
1.701   ! raeburn  1864: 	     '1' => [ '7.1 in','9.7 in', '-0.57 in','-0.57 in','0.1 in'],
        !          1865: 	     '2' => ['3.66 in','9.7 in', '-0.57 in','-0.57 in','0.1 in']
1.327     albertel 1866: 	 },
                   1867: 	 'album' => {
1.701   ! raeburn  1868: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','-0.5 in'],
        !          1869: 	     '2' => [ '4.8 in', '6.7 in','-0.5 in', '-1.0 in','3.0 in']
1.327     albertel 1870: 	 },
                   1871:      },
                   1872:      'legal' => {
                   1873: 	 'book' => {
                   1874: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1875: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1876: 	 },
                   1877: 	 'album' => {
1.376     albertel 1878: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.701   ! raeburn  1879:              '2' => ['5.7 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1880:           },
                   1881:      },
                   1882:      'tabloid' => {
                   1883: 	 'book' => {
                   1884: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1885: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1886: 	 },
                   1887: 	 'album' => {
1.376     albertel 1888: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1889: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1890:           },
                   1891:      },
                   1892:      'executive' => {
                   1893: 	 'book' => {
                   1894: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1895: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1896: 	 },
                   1897: 	 'album' => {
                   1898: 	     '1' => [],
                   1899: 	     '2' => []
                   1900:           },
                   1901:      },
                   1902:      'a2' => {
                   1903: 	 'book' => {
                   1904: 	     '1' => [],
                   1905: 	     '2' => []
                   1906: 	 },
                   1907: 	 'album' => {
                   1908: 	     '1' => [],
                   1909: 	     '2' => []
                   1910:           },
                   1911:      },
                   1912:      'a3' => {
                   1913: 	 'book' => {
                   1914: 	     '1' => [],
                   1915: 	     '2' => []
                   1916: 	 },
                   1917: 	 'album' => {
                   1918: 	     '1' => [],
                   1919: 	     '2' => []
                   1920:           },
                   1921:      },
                   1922:      'a4' => {
                   1923: 	 'book' => {
1.493     foxr     1924: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1925: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1926: 	 },
                   1927: 	 'album' => {
1.701   ! raeburn  1928: 	     '1' => ['24.0 cm','18.0 cm','-1.0cm','-1.5 cm','-1.25 cm'],
        !          1929: 	     '2' => ['9.91 cm','18.0 cm','-0.7 cm','-1.7 cm','-1.25 cm']
1.327     albertel 1930: 	 },
                   1931:      },
                   1932:      'a5' => {
                   1933: 	 'book' => {
                   1934: 	     '1' => [],
                   1935: 	     '2' => []
                   1936: 	 },
                   1937: 	 'album' => {
                   1938: 	     '1' => [],
                   1939: 	     '2' => []
                   1940:           },
                   1941:      },
                   1942:      'a6' => {
                   1943: 	 'book' => {
                   1944: 	     '1' => [],
                   1945: 	     '2' => []
                   1946: 	 },
                   1947: 	 'album' => {
                   1948: 	     '1' => [],
                   1949: 	     '2' => []
                   1950:           },
                   1951:      },
                   1952:      );
                   1953: 
1.177     sakharuk 1954: sub page_format {
1.140     sakharuk 1955: #
1.326     sakharuk 1956: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1957: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1958: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1959: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1960: #                        "A6 [105x148 mm]"
1.699     raeburn  1961: #
                   1962:     my ($papersize,$layout,$numberofcolumns) = @_;
1.327     albertel 1963:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1964: }
1.76      sakharuk 1965: 
                   1966: 
1.126     albertel 1967: sub get_name {
                   1968:     my ($uname,$udom)=@_;
1.373     albertel 1969:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1970:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1971:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1972:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1973:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1974:     return $plainname;
1.126     albertel 1975: }
                   1976: 
1.213     albertel 1977: sub get_course {
                   1978:     my $courseidinfo;
1.373     albertel 1979:     if (defined($env{'request.course.id'})) {
1.439     www      1980: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1981: 	my $sec = $env{'request.course.sec'};
1.699     raeburn  1982: 
1.213     albertel 1983:     }
                   1984:     return $courseidinfo;
                   1985: }
1.177     sakharuk 1986: 
1.76      sakharuk 1987: sub page_format_transformation {
1.699     raeburn  1988:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_;
1.202     sakharuk 1989:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1990: 
1.312     sakharuk 1991:     if ($selectionmade eq '4') {
1.502     foxr     1992: 	if ($choice eq 'all_problems') {
1.561     bisitz   1993:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1994: 	} else {
1.561     bisitz   1995:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1996: 	}
1.312     sakharuk 1997:     } else {
                   1998: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1999:     }
1.261     sakharuk 2000:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     2001: 
                   2002: 
1.126     albertel 2003:     my $name = &get_name();
1.213     albertel 2004:     my $courseidinfo = &get_course();
1.455     albertel 2005:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     2006:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 2007: 					   $courseidinfo, $name);
1.319     sakharuk 2008:     my $topmargintoinsert = '';
                   2009:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 2010:     my $fancypagestatement='';
                   2011:     if ($numberofcolumns eq '2') {
1.455     albertel 2012: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.700     raeburn  2013: 	if ($parmhash{'print_header_format'} eq '') {
                   2014: 	    $fancypagestatement .= "\\fancyhead[RE]{\\thepage \\\\[\\baselineskip]}";
                   2015: 	}
1.325     sakharuk 2016:     } else {
1.455     albertel 2017: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 2018:     }
1.700     raeburn  2019:     $fancypagestatement .= "\\fancyfoot{}";
1.698     raeburn  2020:     my ($paperwidth,$paperheight);
1.140     sakharuk 2021:     if ($layout eq 'album') {
1.649     raeburn  2022: 	    $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.698     raeburn  2023:         if ($papersize eq 'a4') {
                   2024:             $paperwidth = '29.7cm';
                   2025:             $paperheight = '21cm';
                   2026:         } elsif ($numberofcolumns eq '1') {
                   2027:             if ($papersize eq 'letter') {
                   2028:                 $paperwidth = '11in';
                   2029:                 $paperheight = '8.5in';
                   2030:             } elsif ($papersize eq 'legal') {
                   2031:                 $paperwidth = '14in';
                   2032:                 $paperheight = '8.5in';
                   2033:             }
                   2034:         }
1.140     sakharuk 2035:     } elsif ($layout eq 'book') {
1.699     raeburn  2036: 	if ($choice ne 'All class print') {
1.649     raeburn  2037: 	    $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 2038: 	} else {
1.649     raeburn  2039: 	    $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 2040: 	}
1.698     raeburn  2041:         if ($papersize eq 'a4') {
                   2042:             $paperwidth = '21cm';
                   2043:             $paperheight = '29.7cm';
                   2044:         } elsif ($papersize eq 'letter') {
                   2045:             $paperwidth = '8.5in';
                   2046:             $paperheight = '11.5in';
                   2047:          } elsif ($papersize eq 'legal') {
                   2048:             $paperwidth = '8.5in';
                   2049:             $paperheight = '14.0in';
                   2050:         }
                   2051:     }
                   2052:     if ($paperwidth ne '' && $paperheight ne '') {
                   2053:         my $papersize_text;
                   2054:         if ($perm{'pav'}) {
                   2055:             $papersize_text = '\\special{papersize='.$paperwidth.','.$paperheight.'}';
                   2056:         } else {
                   2057:             $papersize_text = '\special{papersize='.$paperwidth.','.$paperheight.'}';
                   2058:         }
                   2059:         $text =~ s/(\\begin\{document})/$1$papersize_text/;
1.140     sakharuk 2060:     }
1.214     sakharuk 2061:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   2062:     if ($indexlist eq 'yes') {
1.649     raeburn  2063: 	$text=~s/(\\begin\{document})/\\makeindex $1/;
                   2064: 	$text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/;
1.214     sakharuk 2065:     }
1.140     sakharuk 2066:     return $text;
                   2067: }
                   2068: 
                   2069: 
1.33      sakharuk 2070: sub page_cleanup {
                   2071:     my $result = shift;	
1.699     raeburn  2072: 
1.649     raeburn  2073:     $result =~ m/\\end\{document}(\d*)$/;
1.34      sakharuk 2074:     my $number_of_columns = $1;
1.33      sakharuk 2075:     my $insert = '{';
1.34      sakharuk 2076:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 2077:     $insert .= '}';
1.649     raeburn  2078:     $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 2079:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   2080:     return $result,$number_of_columns;
1.7       sakharuk 2081: }
1.5       sakharuk 2082: 
1.3       sakharuk 2083: 
1.60      sakharuk 2084: sub details_for_menu {
1.335     albertel 2085:     my ($helper)=@_;
1.373     albertel 2086:     my $postdata=$env{'form.postdata'};
1.335     albertel 2087:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   2088:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   2089:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 2090:     return if ( $symbolic eq '');
                   2091: 
1.233     www      2092:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 2093:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 2094:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 2095:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 2096: 	$map =~ m|([^/]+)$|;
                   2097: 	$name_of_sequence = $1;
1.63      albertel 2098:     }
1.373     albertel 2099:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 2100:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 2101: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 2102: 	$name_of_map = $1;
                   2103:     }
1.335     albertel 2104:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 2105: }
                   2106: 
1.476     albertel 2107: sub copyright_line {
                   2108:     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 } ';
                   2109: }
                   2110: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 2111: 
                   2112: sub latex_corrections {
1.408     albertel 2113:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.649     raeburn  2114: #    $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 2115:     my $copyright = &copyright_line();
1.408     albertel 2116:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.649     raeburn  2117: 	$result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 2118:     } else {
1.649     raeburn  2119: 	$result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 2120:     }
1.476     albertel 2121:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.662     raeburn  2122:     $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]\{\\hrulefill})/$2$1/g;
1.649     raeburn  2123:     $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g;
1.699     raeburn  2124: #-- LaTeX corrections
1.76      sakharuk 2125:     my $first_comment = index($result,'<!--',0);
                   2126:     while ($first_comment != -1) {
                   2127: 	my $end_comment = index($result,'-->',$first_comment);
                   2128: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   2129: 	$first_comment = index($result,'<!--',$first_comment);
                   2130:     }
                   2131:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 2132:     #removes more than one empty space
                   2133:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 2134:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   2135:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   2136:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 2137:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 2138:     #conversion of html characters to LaTeX equivalents
                   2139:     if ($result =~ m/&(\w+|#\d+);/) {
                   2140: 	$result = &character_chart($result);
                   2141:     }
1.650     raeburn  2142:     $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g;
                   2143:     $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g;
1.76      sakharuk 2144:     return $result;
1.60      sakharuk 2145: }
                   2146: 
1.3       sakharuk 2147: 
1.214     sakharuk 2148: sub index_table {
                   2149:     my $currentURL = shift;
                   2150:     my $insex_string='';
                   2151:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   2152:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   2153:     return $insex_string;
                   2154: }
                   2155: 
                   2156: 
1.215     sakharuk 2157: sub IndexCreation {
                   2158:     my ($texversion,$currentURL)=@_;
                   2159:     my @key_words=split(/,/,&index_table($currentURL));
                   2160:     my $chunk='';
                   2161:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   2162:     if ($st>0) {
                   2163: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   2164: 	$chunk=substr($texversion,0,$st+1);
                   2165: 	substr($texversion,0,$st+1)=' ';
                   2166:     }
                   2167:     foreach my $key_word (@key_words) {
                   2168: 	if ($key_word=~/\S+/) {
                   2169: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   2170: 	}
                   2171:     }			
                   2172:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   2173:     return $texversion;
                   2174: }
                   2175: 
1.242     sakharuk 2176: sub print_latex_header {
                   2177:     my $mode=shift;
1.550     foxr     2178: 
                   2179:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 2180: }
                   2181: 
                   2182: sub path_to_problem {
1.328     albertel 2183:     my ($urlp,$colwidth)=@_;
1.404     albertel 2184:     $urlp=&Apache::lonnet::clutter($urlp);
                   2185: 
1.242     sakharuk 2186:     my $newurlp = '';
1.328     albertel 2187:     $colwidth=~s/\s*mm\s*$//;
                   2188: #characters average about 2 mm in width
1.360     albertel 2189:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 2190: 	my @elements = split('/',$urlp);
1.328     albertel 2191: 	my $curlength=0;
                   2192: 	foreach my $element (@elements) {
1.404     albertel 2193: 	    if ($element eq '') { next; }
1.328     albertel 2194: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 2195: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   2196: 		$curlength=length($element)*2;
1.328     albertel 2197: 	    } else {
                   2198: 		$curlength+=length($element)*2;
1.242     sakharuk 2199: 	    }
1.328     albertel 2200: 	    $newurlp.='/'.$element;
1.242     sakharuk 2201: 	}
1.253     sakharuk 2202:     } else {
                   2203: 	$newurlp=$urlp;
1.242     sakharuk 2204:     }
                   2205:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   2206: }
1.215     sakharuk 2207: 
1.275     sakharuk 2208: sub recalcto_mm {
                   2209:     my $textwidth=shift;
                   2210:     my $LaTeXwidth;
1.339     albertel 2211:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 2212: 	$LaTeXwidth = $1*10;
1.339     albertel 2213:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 2214: 	$LaTeXwidth = $1;
1.339     albertel 2215:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 2216: 	$LaTeXwidth = $1*25.4;
                   2217:     }
                   2218:     $LaTeXwidth.=' mm';
                   2219:     return $LaTeXwidth;
                   2220: }
                   2221: 
1.285     albertel 2222: sub get_textwidth {
                   2223:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 2224:     my $textwidth=$LaTeXwidth;
1.285     albertel 2225:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   2226: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 2227: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   2228: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 2229:     }
1.286     albertel 2230:     return $textwidth;
1.285     albertel 2231: }
                   2232: 
1.296     sakharuk 2233: 
                   2234: sub unsupported {
1.414     albertel 2235:     my ($currentURL,$mode,$symb)=@_;
1.672     raeburn  2236:     my $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
                   2237:     my $shown = $currentURL;
                   2238:     if (($cleanURL ne $currentURL) || ($symb =~ m{/^enc/})) {
                   2239:         $shown = &mt('URL not shown (encrypted)');
                   2240:     }
1.307     sakharuk 2241:     if ($mode ne '') {$mode='\\'.$mode}
1.672     raeburn  2242:     my $result = &print_latex_header($mode);
                   2243:     if ($cleanURL=~m|^(/adm/wrapper)?/ext/|) {
                   2244:         $cleanURL=~s|^(/adm/wrapper)?/ext/|http://|;
                   2245:         $cleanURL=~s|^http://https://|https://|;
                   2246:         if ($shown eq $currentURL) {
                   2247:             $shown = &Apache::lonxml::latex_special_symbols($cleanURL);
                   2248:         }
                   2249:         my $title=&Apache::lonnet::gettitle($symb);
                   2250:         $title = &Apache::lonxml::latex_special_symbols($title);
                   2251:         $result.=' \strut \\\\ \textit{'.$title.'} \strut \\\\ '.$shown.' ';
1.296     sakharuk 2252:     } else {
1.672     raeburn  2253:         if ($shown eq $currentURL) {
                   2254: 	    $result.=&Apache::lonxml::latex_special_symbols($currentURL);
                   2255:         } else {
                   2256:             $result.=$shown;
                   2257:         }
1.296     sakharuk 2258:     }
1.419     albertel 2259:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 2260:     return $result;
                   2261: }
                   2262: 
1.559     foxr     2263: #
                   2264: #  Map from helper layout style to the book/album:
                   2265: #
                   2266: sub map_laystyle {
                   2267:     my ($laystyle) = @_;
                   2268:     if ($laystyle eq 'L') {
                   2269: 	$laystyle='album';
                   2270:     } else {
                   2271: 	$laystyle='book';
                   2272:     }
                   2273:     return $laystyle;
                   2274: }
                   2275: 
                   2276: sub print_page_in_course {
                   2277:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
1.602     www      2278: 
1.559     foxr     2279:     my %parmhash       = %$rparmhash;
                   2280:     my @page_resources = @$resources;
                   2281:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   2282:     my $symb = $helper->{'VARS'}->{'symb'};
                   2283: 
                   2284: 
                   2285:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2286: 
                   2287: 
                   2288:     my @temporary_array=split /\|/,$format_from_helper;
                   2289:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   2290:     $laystyle = &map_laystyle($laystyle);
                   2291:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   2292: 								      $numberofcolumns);
1.699     raeburn  2293:     my $LaTeXwidth=&recalcto_mm($textwidth);
1.559     foxr     2294: 
                   2295:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     2296:     my $result   =    &print_latex_header($mode);
1.672     raeburn  2297: 
                   2298:     my $title=&Apache::lonnet::gettitle($currentURL);
                   2299:     $title = &Apache::lonxml::latex_special_symbols($title);
                   2300:     $result .= '\noindent\textit{'.$title.'}\\\\';
1.559     foxr     2301: 
                   2302:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   2303: 	&Apache::lonnet::appenv({'construct.style' =>
                   2304: 				$helper->{'VARS'}->{'style_file'}});
                   2305:     } elsif ($env{'construct.style'}) {
                   2306: 	&Apache::lonnet::delenv('construct.style');
                   2307:     }
                   2308: 
1.699     raeburn  2309:     # First is the overall page description.  This is then followed by the
1.559     foxr     2310:     # components of the page. Each of which must be printed independently.
1.699     raeburn  2311:     my $the_page = shift(@page_resources);
1.559     foxr     2312: 
                   2313: 
                   2314:     foreach my $resource (@page_resources) {
                   2315: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
1.672     raeburn  2316:         my $current_url = $resource->link();
1.559     foxr     2317: 
                   2318: 	# Recurse if a .page:
                   2319: 
                   2320: 	if ($resource_src =~ /.page$/i) {
                   2321: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   2322: 	    my @page_resources = $navmap->retrieveResources($resource_src);
1.699     raeburn  2323: 	    $result           .= &print_page_in_course($helper, $rparmhash,
1.559     foxr     2324: 						       $resource_src, \@page_resources);
1.624     raeburn  2325:         } elsif ($resource->ext()) {
1.672     raeburn  2326:             $result.=&latex_header_footer_remove(&unsupported($current_url,$mode,$resource->symb));
                   2327: 	} elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {
                   2328:             # these resources go through the XML transformer:
                   2329:             $result .= &Apache::lonxml::latex_special_symbols($resource->title()) . '\\\\';
1.602     www      2330: 
1.559     foxr     2331: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
1.602     www      2332: 
1.559     foxr     2333: 	    my %form;
                   2334: 	    my %moreenv;
                   2335: 
                   2336: 	    &Apache::lonxml::remember_problem_counter();
                   2337: 	    $moreenv{'request.filename'}=$urlp;
                   2338: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   2339: 
                   2340: 	    $form{'grade_target'}  = 'tex';
                   2341: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.699     raeburn  2342: 	    $form{'pdfFormFields'} = $pdfFormFields; #
                   2343: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2344: 
1.559     foxr     2345: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2346: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2347: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2348: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   2349: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2350: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2351: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2352: 		$form{'problem_split'}='yes';
                   2353: 	    }
                   2354: 	    my $rndseed = time;
                   2355: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   2356: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   2357: 	    }
                   2358: 	    $form{'rndseed'}=$rndseed;
                   2359: 	    &Apache::lonnet::appenv(\%moreenv);
1.699     raeburn  2360: 
1.559     foxr     2361: 	    &Apache::lonxml::clear_problem_counter();
                   2362: 
                   2363: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   2364: 
                   2365: 
                   2366: 	    # current document with answers.. no need to encap in minipage
                   2367: 	    #  since there's only one answer.
                   2368: 
                   2369: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2370: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   2371: 		my %answerform = %form;
                   2372: 
                   2373: 
                   2374: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2375: 		$answerform{'grade_target'}='answer';
                   2376: 		$answerform{'answer_output_mode'}='tex';
                   2377: 		$answerform{'rndseed'}=$rndseed;
                   2378:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2379: 		    $answerform{'problemtype'}='exam';
                   2380: 		}
                   2381: 		$resources_printed .= $urlp.':';
                   2382: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   2383: 
                   2384: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  2385: 		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.559     foxr     2386: 		} else {
1.562     foxr     2387: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     2388: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2389: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2390: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2391: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2392: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   2393: 		    } else {
1.602     www      2394: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
1.633     raeburn  2395:                         &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
1.602     www      2396: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
1.559     foxr     2397: 		    }
                   2398: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2399: 		}
                   2400: 	    }
                   2401: 	    # Print annotations.
                   2402: 
                   2403: 
                   2404: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2405: 		my $annotation .= &annotate($currentURL);
1.649     raeburn  2406: 		$texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.559     foxr     2407: 	    }
1.699     raeburn  2408: 
1.559     foxr     2409: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2410: 		$texversion=&IndexCreation($texversion,$currentURL);
                   2411: 	    }
                   2412: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2413: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2414: 
                   2415: 	    }
1.562     foxr     2416: 	    $texversion = &latex_header_footer_remove($texversion);
                   2417: 
                   2418: 	    # the first remaining line is a comment from londefdef the second
                   2419: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   2420:             # (imperfect removal from header_footer_remove?
                   2421: 
                   2422: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   2423: 
1.559     foxr     2424: 	    $result .= $texversion;
                   2425: 	    if ($currentURL=~m/\.page\s*$/) {
                   2426: 		($result,$numberofcolumns) = &page_cleanup($result);
                   2427: 	    }
                   2428: 	}
                   2429:     }
                   2430: 
                   2431:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   2432:     return $result;
                   2433: }
                   2434: 
1.296     sakharuk 2435: 
1.363     foxr     2436: #
1.395     www      2437: # List of recently generated print files
                   2438: #
                   2439: sub recently_generated {
1.584     raeburn  2440:     my ($prtspool) = @_;
                   2441:     my $output;
1.400     albertel 2442:     my $zip_result;
                   2443:     my $pdf_result;
1.395     www      2444:     opendir(DIR,$prtspool);
1.400     albertel 2445: 
1.699     raeburn  2446:     my @files =
1.400     albertel 2447: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      2448:     closedir(DIR);
1.400     albertel 2449: 
                   2450:     @files = sort {
                   2451: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   2452: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   2453: 	return $bctime <=> $actime;
                   2454:     } (@files);
                   2455: 
                   2456:     foreach my $filename (@files) {
                   2457: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   2458: 	my ($cdev,$cino,$cmode,$cnlink,
                   2459: 	    $cuid,$cgid,$crdev,$csize,
                   2460: 	    $catime,$cmtime,$cctime,
                   2461: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   2462:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   2463: 	my $result=&Apache::loncommon::start_data_table_row()
                   2464:                   .'<td>'
                   2465:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   2466:                   .'</td>'
                   2467:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   2468:                   .'<td align="right">'.$csize.'</td>'
                   2469:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 2470: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   2471: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   2472:     }
1.544     bisitz   2473:     if ($zip_result || $pdf_result) {
1.584     raeburn  2474:         $output ='<hr />';
1.544     bisitz   2475:     }
1.400     albertel 2476:     if ($zip_result) {
1.584     raeburn  2477: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   2478:                   .&Apache::loncommon::start_data_table()
                   2479:                   .&Apache::loncommon::start_data_table_header_row()
                   2480:                   .'<th>'.&mt('Download').'</th>'
                   2481:                   .'<th>'.&mt('Creation Date').'</th>'
                   2482:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2483:                   .&Apache::loncommon::end_data_table_header_row()
                   2484:                   .$zip_result
1.584     raeburn  2485:                   .&Apache::loncommon::end_data_table();
1.400     albertel 2486:     }
                   2487:     if ($pdf_result) {
1.584     raeburn  2488: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   2489:                   .&Apache::loncommon::start_data_table()
                   2490:                   .&Apache::loncommon::start_data_table_header_row()
                   2491:                   .'<th>'.&mt('Download').'</th>'
                   2492:                   .'<th>'.&mt('Creation Date').'</th>'
                   2493:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2494:                   .&Apache::loncommon::end_data_table_header_row()
                   2495:                   .$pdf_result
1.584     raeburn  2496:                   .&Apache::loncommon::end_data_table();
1.396     albertel 2497:     }
1.584     raeburn  2498:     return $output;
1.395     www      2499: }
                   2500: 
                   2501: #
1.363     foxr     2502: #   Retrieve the hash of page breaks.
                   2503: #
                   2504: #  Inputs:
                   2505: #    helper   - reference to helper object.
                   2506: #  Outputs
                   2507: #    A reference to a page break hash.
                   2508: #
                   2509: #
1.610     foxr     2510: # use Data::Dumper;
1.569     foxr     2511: # sub dump_helper_vars {
1.418     foxr     2512: #    my ($helper) = @_;
                   2513: #    my $helpervars = Dumper($helper->{'VARS'});
                   2514: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   2515: #}
1.363     foxr     2516: 
1.481     albertel 2517: sub get_page_breaks  {
                   2518:     my ($helper) = @_;
                   2519:     my %page_breaks;
                   2520: 
                   2521:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   2522: 	$page_breaks{$break} = 1;
                   2523:     }
                   2524:     return %page_breaks;
                   2525: }
1.699     raeburn  2526: #
1.569     foxr     2527: #   Returns text to insert for any extra vskip prior to the resource.
                   2528: #   Parameters:
                   2529: #     helper   - Reference to the helper object driving the printout.
                   2530: #     resource - Identifies the resource about to be printed.
                   2531: #
                   2532: #   This is done as follows:
                   2533: #    POSSIBLE_RESOURCES has the list of possible resources.
                   2534: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     2535: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   2536: #                       mm. All others are 'in'.
1.699     raeburn  2537: #
1.569     foxr     2538: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   2539: #    of the EXTRASPACE value.
                   2540: #
                   2541: #   In order to speed this up for lengthy printouts, the first time,
                   2542: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   2543: #   EXTRASPACE is turned into an array.
                   2544: #
                   2545: 
                   2546: 
                   2547: my %possible_resources;
1.570     foxr     2548: my %extraspace_mm;
1.569     foxr     2549: my @extraspace;
                   2550: my $skips_loaded       = 0;
                   2551: 
                   2552: #  Function to load the skips hash and array
                   2553: 
                   2554: sub load_skips {
                   2555: 
                   2556:     my ($helper)  = @_;
                   2557: 
1.689     raeburn  2558:     # If this is the first time, unwrap the resources and extra spaces:
1.569     foxr     2559: 
                   2560:     if (!$skips_loaded) {
                   2561: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   2562: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   2563: 	my $i = 0;
                   2564: 	foreach my $resource (@resource_list) {
                   2565: 	    $possible_resources{$resource} = $i;
                   2566: 	    $i++;
                   2567: 	}
1.570     foxr     2568: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   2569: 	    $extraspace_mm{$mm_resource} = 1;
                   2570: 	}
1.569     foxr     2571: 	$skips_loaded = 1;
                   2572:     }
                   2573: }
                   2574: 
                   2575: sub get_extra_vspaces {
                   2576:     my ($helper, $resource) = @_;
                   2577: 
                   2578:     &load_skips($helper);
                   2579: 
                   2580:     #  Lookup the resource in the possible resources hash.. that is the index
                   2581:     # into the extraspace array that gives us either an empty string or
                   2582:     # the number of mm to skip:
                   2583: 
                   2584:     my $index = $possible_resources{$resource};
                   2585:     my $skip  = $extraspace[$index];
                   2586: 
                   2587:     my $result = '';
                   2588:     if ($skip ne '') {
1.570     foxr     2589: 	my $units = 'in';
                   2590: 	if (defined($extraspace_mm{$resource})) {
                   2591: 	    $units = 'mm';
                   2592: 	}
                   2593: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     2594:     }
1.570     foxr     2595: 
                   2596: 	
1.569     foxr     2597:     return $result;
                   2598: 
                   2599: 
                   2600: }
                   2601: 
                   2602: #
                   2603: #  The resource chooser part of the helper needs more than just
                   2604: #  the value of the extraspaces var to recover the value into a text
                   2605: #  field option.  This sub produces the required format for the saved var:
1.699     raeburn  2606: #  specifically
1.569     foxr     2607: #    ||| separated fields of the form resourcename=value
                   2608: #
                   2609: #  Parameters:
                   2610: #    $helper     - Refers to the helper we are configuring
                   2611: #  Implicit input:
                   2612: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   2613: #                                          value.
1.570     foxr     2614: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     2615: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   2616: #                                          separated of course.
                   2617: #  Implicit outputs:
1.570     foxr     2618: #     $env{'form.extraspace'}
                   2619: #     $env{'form.extraspace_units'}
1.569     foxr     2620: #
                   2621: sub set_form_extraspace {
                   2622:     my ($helper) = @_;
                   2623: 
                   2624:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   2625:     # may not be the fastest, but this is once per print request so it's not so
                   2626:     # speed critical:
                   2627: 
                   2628:     &load_skips($helper);
                   2629: 
                   2630:     my $result = '';
                   2631: 
                   2632:     foreach my $resource (keys(%possible_resources)) {
                   2633: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   2634: 	$result  .= $resource .'=' . $vskip . '|||';
                   2635:     }
                   2636: 
                   2637:     $env{'form.extraspace'}  = $result;
1.570     foxr     2638:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     2639:     return $result;
1.699     raeburn  2640: 
1.569     foxr     2641: }
1.363     foxr     2642: 
1.459     foxr     2643: #  Output a sequence (recursively if neeed)
                   2644: #  from construction space.
                   2645: # Parameters:
                   2646: #    url     = URL of the sequence to print.
                   2647: #    helper  - Reference to the helper hash.
                   2648: #    form    - Copy of the format hash.
                   2649: #    LaTeXWidth
                   2650: # Returns:
                   2651: #   Text to add to the printout.
                   2652: #   NOTE if the first element of the outermost sequence
                   2653: #   is itself a sequence, the outermost caller may need to
                   2654: #   prefix the latex with the page headers stuff.
                   2655: #
                   2656: sub print_construction_sequence {
                   2657:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1.590     foxr     2658: 
1.459     foxr     2659:     my $result;
                   2660:     my $rndseed=time;
                   2661:     if ($helper->{'VARS'}->{'curseed'}) {
                   2662: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   2663:     }
1.606     www      2664:     my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
                   2665: 
1.699     raeburn  2666:     #
1.459     foxr     2667:     #  These make this all support recursing for subsequences.
                   2668:     #
1.491     albertel 2669:     my @order    = @LONCAPA::map::order;
1.699     raeburn  2670:     my @resources = @LONCAPA::map::resources;
1.606     www      2671: 
1.459     foxr     2672:     for (my $member=0;$member<=$#order;$member++) {
                   2673: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   2674: 	my $urlp=$2;
                   2675: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   2676: 	    my $texversion='';
                   2677: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2678: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2679: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2680: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2681: 		$form{'rndseed'}=$rndseed;
                   2682: 		$resources_printed .=$urlp.':';
1.515     foxr     2683: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     2684: 	    }
                   2685: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.699     raeburn  2686: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) &&
1.609     www      2687: 	       ($urlp=~/$LONCAPA::assess_page_re/)) {
1.459     foxr     2688: 		#  Don't permanently modify %$form...
                   2689: 		my %answerform = %form;
                   2690: 		$answerform{'grade_target'}='answer';
                   2691: 		$answerform{'answer_output_mode'}='tex';
                   2692: 		$answerform{'rndseed'}=$rndseed;
                   2693: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 2694: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     2695: 		$resources_printed .= $urlp.':';
1.515     foxr     2696: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     2697: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  2698: 		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.459     foxr     2699: 		} else {
                   2700: 		    # If necessary, encapsulate answer in minipage:
1.699     raeburn  2701: 
1.459     foxr     2702: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2703: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2704: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   2705: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     2706: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   2707: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
1.676     raeburn  2708: 		    $body = &encapsulate_minipage($body,$answerform{'problem_split'});
1.459     foxr     2709: 		    $texversion.=$body;
                   2710: 		}
                   2711: 	    }
                   2712: 	    $texversion = &latex_header_footer_remove($texversion);
                   2713: 
                   2714: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2715: 		$texversion=&IndexCreation($texversion,$urlp);
                   2716: 	    }
                   2717: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2718: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2719: 	    }
                   2720: 	    $result.=$texversion;
                   2721: 
                   2722: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.699     raeburn  2723: 
1.459     foxr     2724: 	    # header:
                   2725: 
                   2726: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   2727: 
                   2728: 	    # IF sequence, recurse:
1.699     raeburn  2729: 
1.459     foxr     2730: 	    if ($urlp =~ /\.sequence$/) {
1.699     raeburn  2731: 		$result .= &print_construction_sequence($urlp,
                   2732: 							$helper, %form,
1.459     foxr     2733: 							$LaTeXwidth);
                   2734: 	    }
1.550     foxr     2735: 	}
                   2736: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2737: 	    my $texversion;
                   2738: 	    if ($member != 0) {
                   2739: 		$texversion .= '\cleardoublepage';
                   2740: 	    }
                   2741: 
                   2742: 	    $texversion .= &include_pdf($urlp);
                   2743: 	    $texversion = &latex_header_footer_remove($texversion);
                   2744: 	    if ($member != $#order) {
                   2745: 		$texversion .= '\\ \cleardoublepage';
                   2746: 	    }
1.699     raeburn  2747: 
1.551     foxr     2748: 	    $result .= $texversion;
1.550     foxr     2749: 	}
1.459     foxr     2750:     }
1.650     raeburn  2751:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.459     foxr     2752:     return $result;
                   2753: }
                   2754: 
1.590     foxr     2755: #
                   2756: #  Top level for generating print output.
                   2757: #
                   2758: #  May call print_resources if multiple resources will be printed.
                   2759: #
                   2760: #  The main driver is $selectionmade which reflects the type of print out
                   2761: #  requested:
                   2762: #   Value    Print type:
                   2763: #   1        Print resource that's being looked at.
                   2764: #   2        Print problems in a map or in a page.
                   2765: #   3        Print pages in a map or resources in a page.
                   2766: #   4        Print all problems  or all resources.
                   2767: #   5        Print problems for seleted students.
                   2768: #   6        Print selected problems from a folder.
                   2769: #   7        Print print selected resources from some scope.
                   2770: #   8        Print resources for selected students.
                   2771: #
                   2772: #BZ 5209
                   2773: #   2        map_incomplete_problems_seq Print incomplete problems from the current
                   2774: #            folder in student context.
1.591     foxr     2775: #   5      map_incomplete_problems_people_seq Print incomplete problems from the
1.590     foxr     2776: #            current folder in privileged context.
1.591     foxr     2777: #    5      incomplete_problems_selpeople_course Print incomplete problems for
1.590     foxr     2778: #            selected people from the entire course.
                   2779: #
                   2780: #   Item 101 has much the same processing as 8,
                   2781: #
                   2782: #  Differences:  Item 101, 102 require per-student filtering of the resource
                   2783: #  set so that only the incomplete resources are printed.
                   2784: #  For item 100, filtering was done at the helper level.
                   2785: 
1.177     sakharuk 2786: sub output_data {
1.621     foxr     2787: 
1.184     sakharuk 2788:     my ($r,$helper,$rparmhash) = @_;
                   2789:     my %parmhash = %$rparmhash;
1.515     foxr     2790:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2791:     $resources_printed = '';
1.556     foxr     2792:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.590     foxr     2793:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
1.499     foxr     2794:     my $do_postprocessing = 1;
1.433     albertel 2795:     my $js = <<ENDPART;
                   2796: <script type="text/javascript">
1.264     sakharuk 2797:     var editbrowser;
                   2798:     function openbrowser(formname,elementname,only,omit) {
                   2799:         var url = '/res/?';
                   2800:         if (editbrowser == null) {
                   2801:             url += 'launch=1&';
                   2802:         }
                   2803:         url += 'catalogmode=interactive&';
                   2804:         url += 'mode=parmset&';
                   2805:         url += 'form=' + formname + '&';
                   2806:         if (only != null) {
                   2807:             url += 'only=' + only + '&';
1.699     raeburn  2808:         }
1.264     sakharuk 2809:         if (omit != null) {
                   2810:             url += 'omit=' + omit + '&';
                   2811:         }
                   2812:         url += 'element=' + elementname + '';
                   2813:         var title = 'Browser';
                   2814:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2815:         options += ',width=700,height=600';
                   2816:         editbrowser = open(url,title,options,'1');
                   2817:         editbrowser.focus();
                   2818:     }
                   2819: </script>
1.140     sakharuk 2820: ENDPART
                   2821: 
1.512     foxr     2822: 
1.558     bisitz   2823:     # Breadcrumbs
                   2824:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2825:     my $brcrum = [{'href' => '',
                   2826:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2827:                   {'href' => '',
                   2828:                    'text' => 'Preparing Printout'}];
                   2829: 
                   2830:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2831:                                                      $js,
                   2832:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2833:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2834: 
1.433     albertel 2835:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2836: 
1.363     foxr     2837:     # fetch the pagebreaks and store them in the course environment
                   2838:     # The page breaks will be pulled into the hash %page_breaks which is
                   2839:     # indexed by symb and contains 1's for each break.
                   2840: 
1.373     albertel 2841:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2842:     &set_form_extraspace($helper);
1.699     raeburn  2843:     $env{'form.lastprinttype'} = $print_type;
1.363     foxr     2844:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2845: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2846: 					       'extraspace'    => 'scalar',
1.570     foxr     2847: 					       'extraspace_units' => 'scalar',
1.366     foxr     2848: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2849:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2850: 
1.140     sakharuk 2851:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2852:     my ($result,$selectionmade) = ('','');
                   2853:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2854:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2855:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2856: 
                   2857:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2858:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2859:     my $assignment =  $env{'form.assignment'};
1.699     raeburn  2860:     my $LaTeXwidth=&recalcto_mm($textwidth);
1.272     sakharuk 2861:     my @print_array=();
1.274     sakharuk 2862:     my @student_names=();
1.360     albertel 2863: 
1.699     raeburn  2864: 
1.688     raeburn  2865:     #  Common settings for the %form hash:
                   2866:     # In some cases these settings get overridden by specific cases, but the
1.360     albertel 2867:     # settings are common enough to make it worthwhile factoring them out
                   2868:     # here.
                   2869:     #
                   2870:     my %form;
                   2871:     $form{'grade_target'} = 'tex';
                   2872:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2873:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2874: 
                   2875:     # If form.showallfoils is set, then request all foils be shown:
1.699     raeburn  2876:     # privilege will be enforced both by not allowing the
1.372     foxr     2877:     # check box selecting this option to be presnt unless it's ok,
                   2878:     # and by lonresponse's priv. check.
                   2879:     # The if is here because lonresponse.pm only cares that
                   2880:     # showallfoils is defined, not what the value is.
                   2881: 
1.699     raeburn  2882:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") {
1.372     foxr     2883: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2884:     }
1.699     raeburn  2885: 
1.504     albertel 2886:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2887: 	&Apache::lonnet::appenv({'construct.style' =>
                   2888: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2889:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2890: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2891:     }
                   2892: 
1.590     foxr     2893:     if ($print_type eq 'current_document') {
1.143     sakharuk 2894:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2895: 	my ($currentURL,$cleanURL);
1.375     foxr     2896: 
1.162     sakharuk 2897: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2898:             #prints published resource
1.153     sakharuk 2899: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2900: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2901: 	} else {
1.512     foxr     2902: 
1.185     sakharuk 2903:             #prints resource from the construction space
1.602     www      2904: 	    $currentURL=$helper->{'VARS'}->{'filename'};
1.343     albertel 2905: 	    $cleanURL=$currentURL;
1.143     sakharuk 2906: 	}
1.140     sakharuk 2907: 	$selectionmade = 1;
1.651     raeburn  2908: 
1.413     albertel 2909: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2910: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2911: 	    my $rndseed=time;
1.242     sakharuk 2912: 	    my $texversion='';
                   2913: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2914: 		my %moreenv;
1.343     albertel 2915: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2916:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2917: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2918: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2919: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2920: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2921: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2922: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2923: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2924: 		    $form{'problem_split'}='yes';
                   2925: 		}
1.242     sakharuk 2926: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2927: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2928: 		}
                   2929: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2930: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2931: 
                   2932: 		&Apache::lonxml::clear_problem_counter();
                   2933: 
1.375     foxr     2934: 		$resources_printed .= $currentURL.':';
1.515     foxr     2935: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2936: 
1.511     foxr     2937: 		#  Add annotations if required:
1.699     raeburn  2938: 
1.428     albertel 2939: 		&Apache::lonxml::clear_problem_counter();
                   2940: 
1.242     sakharuk 2941: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2942: 	    }
1.423     foxr     2943: 	    # current document with answers.. no need to encap in minipage
                   2944: 	    #  since there's only one answer.
                   2945: 
1.242     sakharuk 2946: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2947: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.602     www      2948: 
1.353     foxr     2949: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2950: 		$form{'grade_target'}='answer';
1.167     albertel 2951: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2952: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2953:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2954: 		    $form{'problemtype'}='exam';
                   2955: 		}
1.375     foxr     2956: 		$resources_printed .= $currentURL.':';
1.515     foxr     2957: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2958: 		
                   2959: 
1.242     sakharuk 2960: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  2961: 		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.242     sakharuk 2962: 		} else {
                   2963: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2964: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2965: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2966: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2967: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2968: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2969: 		    } else {
1.602     www      2970: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
1.633     raeburn  2971:                         &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
1.602     www      2972: 
                   2973: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2974: 		    }
1.242     sakharuk 2975: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2976: 		}
1.511     foxr     2977: 
                   2978: 
                   2979: 		
                   2980: 
1.699     raeburn  2981: 
1.511     foxr     2982: 	    }
                   2983: 	    # Print annotations.
                   2984: 
                   2985: 
                   2986: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2987: 		my $annotation .= &annotate($currentURL);
1.649     raeburn  2988: 		$texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2989: 	    }
1.511     foxr     2990: 
                   2991: 
1.214     sakharuk 2992: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2993: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2994: 	    }
1.219     sakharuk 2995: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2996: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2997: 
                   2998: 	    }
1.162     sakharuk 2999: 	    $result .= $texversion;
                   3000: 	    if ($currentURL=~m/\.page\s*$/) {
                   3001: 		($result,$number_of_columns) = &page_cleanup($result);
                   3002: 	    }
1.413     albertel 3003:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     3004: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.459     foxr     3005: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   3006: 						    $LaTeXwidth);
1.699     raeburn  3007: 	    $result .= '\end{document}';
1.459     foxr     3008: 	    if (!($result =~ /\\begin\{document\}/)) {
                   3009: 		$result = &print_latex_header() . $result;
1.227     sakharuk 3010: 	    }
1.459     foxr     3011: 	    # End construction space sequence.
1.699     raeburn  3012: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
1.258     sakharuk 3013: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 3014: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.660     raeburn  3015:                 if ($currentURL=~/\/ext\.tool$/) {$currentURL=~s/^\/adm\/wrapper//;}
1.375     foxr     3016: 		$resources_printed .= $currentURL.':';
1.567     foxr     3017: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     3018: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3019: 		    my $annotation = &annotate($currentURL);
1.649     raeburn  3020: 		    $texversion    =~ s/(\\end\{document})/$annotation$1/;
1.511     foxr     3021: 		}
1.258     sakharuk 3022: 		$result .= $texversion;
1.550     foxr     3023: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     3024: 	    # For this sort of print of a single LaTeX file,
                   3025: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   3026: 	    #
                   3027: 
                   3028: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     3029: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3030: 		my $annotation = &annotate($currentURL);
1.649     raeburn  3031: 		$result =~ s/(\\end\{document})/$annotation$1/;
1.511     foxr     3032: 	    }
                   3033: 
1.499     foxr     3034: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     3035: 
1.550     foxr     3036: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   3037: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     3038: 	    $result .= '\end{document}';
1.559     foxr     3039: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   3040: 
                   3041: 	    # Determine the set of resources in the map of the page:
                   3042: 
                   3043: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   3044: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   3045: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   3046: 							$cleanURL, \@page_resources);
                   3047: 
1.699     raeburn  3048: 
1.162     sakharuk 3049: 	} else {
1.414     albertel 3050: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   3051: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 3052: 	}
1.590     foxr     3053:     } elsif (($print_type eq 'map_problems')          or
                   3054: 	     ($print_type eq 'map_problems_in_page')  or
                   3055: 	     ($print_type eq 'map_resources_in_page') or
                   3056:              ($print_type eq 'map_problems_pages')    or
                   3057:              ($print_type eq 'all_problems')          or
                   3058: 	     ($print_type eq 'all_resources')         or # BUGBUG
                   3059: 	     ($print_type eq 'select_sequences')      or
                   3060: 	     ($print_type eq 'map_incomplete_problems_seq')
1.582     raeburn  3061: 	     ) {
1.699     raeburn  3062: 
1.141     sakharuk 3063:         #-- produce an output string
1.590     foxr     3064: 	if (($print_type eq 'map_problems')                or
                   3065: 	    ($print_type eq 'map_incomplete_problems_seq') or
                   3066: 	    ($print_type eq 'map_problems_in_page') ) {
1.296     sakharuk 3067: 	    $selectionmade = 2;
1.590     foxr     3068: 	} elsif (($print_type eq 'map_problems_pages') or
                   3069: 		 ($print_type eq 'map_resources_in_page'))
1.562     foxr     3070: 	{
1.296     sakharuk 3071: 	    $selectionmade = 3;
1.699     raeburn  3072: 	} elsif (($print_type eq 'all_problems')
1.536     foxr     3073: 		 ) {
1.296     sakharuk 3074: 	    $selectionmade = 4;
1.590     foxr     3075: 	} elsif ($print_type eq 'all_resources') {  #BUGBUG
1.354     foxr     3076: 	    $selectionmade = 4;
1.590     foxr     3077: 	} elsif ($print_type eq 'select_sequences') {
1.296     sakharuk 3078: 	    $selectionmade = 7;
                   3079: 	}
1.590     foxr     3080: 
1.193     sakharuk 3081: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 3082: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 3083: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 3084: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     3085: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   3086: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   3087: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   3088: 	    $form{'problem_split'}='yes';
                   3089: 	}
1.141     sakharuk 3090: 	my $flag_latex_header_remove = 'NO';
                   3091: 	my $flag_page_in_sequence = 'NO';
                   3092: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 3093: 	my $prevassignment='';
1.428     albertel 3094: 
                   3095: 	&Apache::lonxml::clear_problem_counter();
                   3096: 
1.141     sakharuk 3097: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     3098: 
1.521     foxr     3099: 	    &Apache::lonenc::reset_enc();
                   3100: 
1.350     foxr     3101: 	    # Note due to document structure, not allowed to put \newpage
                   3102: 	    # prior to the first resource
                   3103: 
1.351     foxr     3104: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     3105: 		if($i != 0) {
                   3106: 		    $result.="\\newpage\n";
                   3107: 		}
                   3108: 	    }
1.569     foxr     3109: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     3110: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 3111: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 3112: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 3113: 
                   3114: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     3115: 
1.267     sakharuk 3116: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 3117: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 3118: 	    my $texversion='';
1.413     albertel 3119: 	    if ($urlp!~m|^/adm/|
                   3120: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.651     raeburn  3121:                 my $extension = $1;
1.375     foxr     3122: 		$resources_printed .= $urlp.':';
1.428     albertel 3123: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     3124: 		if ($flag_latex_header_remove eq 'NO') {
                   3125: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  3126:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
1.652     raeburn  3127:                             (($i==0) &&
1.582     raeburn  3128:                              (($urlp=~/\.page$/) ||
1.590     foxr     3129:                               ($print_type eq 'map_problems_in_page') ||
1.652     raeburn  3130:                               (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) {
1.582     raeburn  3131:                         $flag_latex_header_remove = 'YES';
                   3132:                     }
1.566     foxr     3133: 		}
1.515     foxr     3134: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 3135: 		if ($urlp=~/\.page$/) {
                   3136: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
1.699     raeburn  3137: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;}
1.649     raeburn  3138: 		    $texversion =~ s/\\end\{document}\d*/\\end{document}/;
1.296     sakharuk 3139: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  3140: 		}
1.428     albertel 3141: 
1.296     sakharuk 3142: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3143: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3144: 		    #  Don't permanently pervert the %form hash
                   3145: 		    my %answerform = %form;
                   3146: 		    $answerform{'grade_target'}='answer';
                   3147: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     3148: 		    $resources_printed .= $urlp.':';
1.428     albertel 3149: 
                   3150: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     3151: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  3152:                     if ($urlp =~ /\.page$/) {
1.649     raeburn  3153:                         $answer =~ s/\\end\{document}(\d*)$//;
1.582     raeburn  3154:                     }
1.296     sakharuk 3155: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  3156:                         if ($urlp =~ /\.page$/) {
1.649     raeburn  3157:                             my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion);
1.582     raeburn  3158:                             my $lastprob = pop(@probs);
                   3159:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   3160:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   3161:                         } else {
1.649     raeburn  3162:                             $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.582     raeburn  3163:                         }
1.249     sakharuk 3164: 		    } else {
1.609     www      3165: 			if ($urlp=~/$LONCAPA::assess_page_re/) {
1.296     sakharuk 3166: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.649     raeburn  3167: #			    $texversion =~ s/\\begin\{document}//; # FIXME
1.477     albertel 3168: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   3169: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3170: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     3171: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   3172: 			    $body   .='\vskip 1 mm '.$answer;
1.676     raeburn  3173: 			    $body    = &encapsulate_minipage($body,$answerform{'problem_split'});
1.423     foxr     3174: 			    $texversion .= $body;
1.296     sakharuk 3175: 			} else {
                   3176: 			    $texversion='';
                   3177: 			}
1.249     sakharuk 3178: 		    }
1.511     foxr     3179: 
1.246     sakharuk 3180: 		}
1.511     foxr     3181: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3182: 		    my $annotation .= &annotate($urlp);
1.649     raeburn  3183: 		    $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.511     foxr     3184: 		}
                   3185: 
1.296     sakharuk 3186: 		if ($flag_latex_header_remove ne 'NO') {
                   3187: 		    $texversion = &latex_header_footer_remove($texversion);
                   3188: 		} else {
1.649     raeburn  3189: 		    $texversion =~ s/\\end\{document}//;
1.296     sakharuk 3190: 		}
                   3191: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3192: 		    $texversion=&IndexCreation($texversion,$urlp);
                   3193: 		}
                   3194: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   3195: 		    my $name = &get_name();
                   3196: 		    my $courseidinfo = &get_course();
                   3197: 		    $prevassignment=$assignment;
1.455     albertel 3198: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     3199: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.699     raeburn  3200: 							  $assignment,
                   3201: 							  $courseidinfo,
1.455     albertel 3202: 							  $name);
1.417     foxr     3203: 		    if ($numberofcolumns eq '1') {
1.455     albertel 3204: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3205: 		    } else {
1.455     albertel 3206: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3207: 		    }			
1.296     sakharuk 3208: 		}
                   3209: 		$result .= $texversion;
1.699     raeburn  3210: 		$flag_latex_header_remove = 'YES';
                   3211: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
1.301     sakharuk 3212: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3213: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.660     raeburn  3214:                 if ($urlp=~/\/ext\.tool$/) {$urlp=~s/^\/adm\/wrapper//;}
1.375     foxr     3215: 		$resources_printed .= $urlp.':';
1.567     foxr     3216: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     3217: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3218: 		    my $annotation = &annotate($urlp);
1.649     raeburn  3219: 		    $texversion =~ s/(\\end\{document)/$annotation$1/;
1.511     foxr     3220: 		}
                   3221: 
1.301     sakharuk 3222: 		if ($flag_latex_header_remove ne 'NO') {
                   3223: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     3224: 		} else {	
1.649     raeburn  3225: 		    $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1.301     sakharuk 3226: 		}
                   3227: 		$result .= $texversion;
1.699     raeburn  3228: 		$flag_latex_header_remove = 'YES';
1.550     foxr     3229: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   3230: 		if ($i > 0) {
                   3231: 		    $result .= '\cleardoublepage';
                   3232: 		}
1.580     raeburn  3233:                 my $texfrompdf = &include_pdf($urlp);
                   3234:                 if ($flag_latex_header_remove ne 'NO') {
                   3235:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   3236:                 }
                   3237:                 $result .= $texfrompdf;
1.550     foxr     3238: 		if ($i != $#master_seq) {
                   3239: 		    if ($numberofcolumns eq '1') {
                   3240: 			$result .= '\newpage';
                   3241: 		    } else {
                   3242: 			# the \\'s seem to be needed to let LaTeX know there's something
                   3243: 			# on the page since LaTeX seems to not like to clear an empty page.
                   3244: 			#
                   3245: 			$result .= '\\ \cleardoublepage';
                   3246: 		    }
                   3247: 		}
                   3248: 		$flag_latex_header_remove = 'YES';
                   3249: 
1.141     sakharuk 3250: 	    } else {
1.414     albertel 3251: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   3252: 					 $master_seq[$i]);
1.297     sakharuk 3253: 		if ($flag_latex_header_remove ne 'NO') {
                   3254: 		    $texversion = &latex_header_footer_remove($texversion);
                   3255: 		} else {
1.649     raeburn  3256: 		    $texversion =~ s/\\end\{document}//;
1.297     sakharuk 3257: 		}
                   3258: 		$result .= $texversion;
1.699     raeburn  3259: 		$flag_latex_header_remove = 'YES';
1.582     raeburn  3260: 	    }
1.699     raeburn  3261: 	    if (&Apache::loncommon::connection_aborted($r)) {
                   3262: 		last;
1.550     foxr     3263: 	    }
1.141     sakharuk 3264: 	}
1.428     albertel 3265: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     3266: 	if ($flag_page_in_sequence eq 'YES') {
1.649     raeburn  3267: 	    $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1.344     foxr     3268: 	}	
1.141     sakharuk 3269: 	$result .= '\end{document}';
1.590     foxr     3270:      } elsif (($print_type eq 'problems_for_students')           ||
                   3271: 	      ($print_type eq 'problems_for_students_from_page') ||
                   3272: 	      ($print_type eq 'all_problems_students')           ||
1.591     foxr     3273: 	      ($print_type eq 'resources_for_students')          ||
                   3274: 	      ($print_type eq 'incomplete_problems_selpeople_course') ||
1.679     raeburn  3275: 	      ($print_type eq 'map_incomplete_problems_people_seq') ||
                   3276:               ($print_type eq 'select_sequences_problems_for_students') ||
                   3277:               ($print_type eq 'select_sequences_resources_for_students')) {
1.353     foxr     3278: 
                   3279: 
1.699     raeburn  3280:      #-- prints assignments for whole class or for selected students
1.284     albertel 3281: 	 my $type;
1.590     foxr     3282: 	 if (($print_type eq 'problems_for_students')           ||
                   3283: 	     ($print_type eq 'problems_for_students_from_page') ||
1.591     foxr     3284: 	     ($print_type eq 'all_problems_students')           ||
                   3285: 	     ($print_type eq 'incomplete_problems_selpeople_course') ||
1.679     raeburn  3286: 	     ($print_type eq 'map_incomplete_problems_people_seq') ||
                   3287:              ($print_type eq 'select_sequences_problems_for_students')) {
1.254     sakharuk 3288: 	     $selectionmade=5;
1.284     albertel 3289: 	     $type='problems';
1.679     raeburn  3290: 	 } elsif (($print_type eq 'resources_for_students') ||
                   3291:                   ($print_type eq 'select_sequences_resources_for_students')) {
1.254     sakharuk 3292: 	     $selectionmade=8;
1.284     albertel 3293: 	     $type='resources';
1.254     sakharuk 3294: 	 }
1.150     sakharuk 3295: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     3296: 	 #   The normal sort order is by section then by students within the
                   3297: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   3298: 	 #   to override this and output the students by name.
                   3299: 	 #    Each element of the students array is of the form:
                   3300: 	 #       username:domain:section:last, first:status
1.699     raeburn  3301: 	 #
                   3302: 	 #  Note that student sort is not compatible with printing
1.429     foxr     3303: 	 #  1 section per pdf...so that setting overrides.
1.699     raeburn  3304: 	 #
                   3305: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  &&
1.429     foxr     3306: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     3307: 	     @students = sort compare_names  @students;
1.618     foxr     3308: 	 } else {
1.699     raeburn  3309: 	     @students = sort compare_sections @students;
1.341     foxr     3310: 	 }
1.429     foxr     3311: 	 &adjust_number_to_print($helper);
                   3312: 
1.278     albertel 3313:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   3314: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   3315: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   3316: 	 }
1.699     raeburn  3317: 	 # If we are splitting on section boundaries, we need
                   3318: 	 # to remember that in split_on_sections and
1.429     foxr     3319: 	 # print all of the students in the list.
                   3320: 	 #
                   3321: 	 my $split_on_sections = 0;
                   3322: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   3323: 	     $split_on_sections = 1;
                   3324: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   3325: 	 }
1.150     sakharuk 3326: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     3327: 
1.626     raeburn  3328:          my $map;
                   3329:          if ($helper->{VARS}->{'symb'}) {
1.687     raeburn  3330:              unless ((($print_type eq 'all_problems_students') ||
                   3331:                       ($print_type eq 'incomplete_problems_selpeople_course')) &&
                   3332:                       $perm{'pfo'}) {
                   3333:                  ($map, my $id, my $resource) =
                   3334:                      &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
                   3335:              }
1.692     raeburn  3336:          } elsif (($helper->{'VARS'}->{'postdata'} eq '/adm/navmaps') && ($perm{'pfo'})) {
                   3337:              $map = $helper->{'VARS'}->{'SEQUENCE'};
1.626     raeburn  3338:          }
                   3339: 
1.150     sakharuk 3340: 	 #loop over students
1.562     foxr     3341: 
                   3342:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 3343: 	 my %moreenv;
1.330     sakharuk 3344:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 3345: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 3346: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     3347: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     3348: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     3349: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     3350: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   3351: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   3352: 	     $moreenv{'problem_split'}='yes';
                   3353: 	 }
1.611     www      3354: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
1.272     sakharuk 3355: 	 my $student_counter=-1;
1.429     foxr     3356: 	 my $i = 0;
1.430     albertel 3357: 	 my $last_section = (split(/:/,$students[0]))[2];
1.647     raeburn  3358:          my $nohidemap;
                   3359:          if ($perm{'pav'} && $perm{'vgr'}) {
                   3360:              $nohidemap = 1;
                   3361:          }
1.150     sakharuk 3362: 	 foreach my $person (@students) {
1.373     albertel 3363:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 3364: 	     if (-e $duefile) {
                   3365: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   3366: 		 print $temp_file "1969\n";
                   3367: 	     }
1.272     sakharuk 3368: 	     $student_counter++;
1.429     foxr     3369: 	     if ($split_on_sections) {
1.430     albertel 3370: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     3371: 		 if ($this_section ne $last_section) {
                   3372: 		     $i++;
                   3373: 		     $last_section = $this_section;
                   3374: 		 }
                   3375: 	     } else {
                   3376: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   3377: 	     }
1.626     raeburn  3378: 	     my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
1.647     raeburn  3379:                                                        $person, undef, $nohidemap);
1.375     foxr     3380: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     3381: 						     $person,$type,
1.595     foxr     3382: 						     \%moreenv,  $actual_seq,
1.360     albertel 3383: 						     $flag_latex_header_remove,
1.422     albertel 3384: 						     $LaTeXwidth);
1.375     foxr     3385: 	     $resources_printed .= ":";
1.284     albertel 3386: 	     $print_array[$i].=$output;
                   3387: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   3388: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   3389: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 3390: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 3391: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3392: 	 }
                   3393: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3394: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3395:      } elsif (($print_type eq 'problems_for_anon')      ||
                   3396: 	      ($print_type eq 'problems_for_anon_page') ||
1.679     raeburn  3397: 	      ($print_type eq 'resources_for_anon')     ||
                   3398:               ($print_type eq 'select_sequences_problems_for_anon') ||
                   3399:               ($print_type eq 'select_sequences_resources_for_anon')) {
1.373     albertel 3400: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   3401: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 3402: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   3403: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 3404: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     3405: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     3406: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1.381     albertel 3407: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.668     raeburn  3408:          my @lines = &Apache::lonnet::get_scantronformat_file();
1.596     raeburn  3409: 	 my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
1.542     raeburn  3410: 	 foreach my $line (@lines) {
1.678     raeburn  3411:              next if (($line =~ /^\#/) || ($line eq ''));
1.699     raeburn  3412: 	     my ($name,$type,$length,$bubbles_per_item) =
1.596     raeburn  3413:                  (split(/:/,$line))[0,2,4,17];
1.381     albertel 3414: 	     if ($name eq $code_option) {
                   3415: 		 $code_length=$length;
                   3416: 		 if ($type eq 'number') { $code_type = 'number'; }
1.699     raeburn  3417:                  chomp($bubbles_per_item);
1.596     raeburn  3418:                  if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
1.699     raeburn  3419:                      $bubbles_per_row = $bubbles_per_item;
1.596     raeburn  3420:                  }
1.381     albertel 3421: 	     }
                   3422: 	 }
1.675     raeburn  3423:          my $map;
1.625     raeburn  3424:          if ($helper->{VARS}{'symb'}) {
1.626     raeburn  3425:              ($map, my $id, my $resource) =
                   3426:                  &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
1.692     raeburn  3427:          } elsif (($helper->{'VARS'}->{'postdata'} eq '/adm/navmaps') && ($perm{'pfo'})) {
                   3428:              $map = $helper->{'VARS'}->{'SEQUENCE'};
1.625     raeburn  3429:          }
1.288     albertel 3430: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     3431: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.697     raeburn  3432:          $moreenv{'suppress_tries'} = $parmhash{'suppress_tries'};
1.420     albertel 3433:          $moreenv{'instructor_comments'}='hide';
1.596     raeburn  3434:          $moreenv{'bubbles_per_row'} = $bubbles_per_row;
1.288     albertel 3435: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 3436: 	 my @allcodes;
                   3437: 	 if ($old_name) {
1.381     albertel 3438: 	     my %result=&Apache::lonnet::get('CODEs',
                   3439: 					     [$old_name,"type\0$old_name"],
                   3440: 					     $cdom,$cnum);
                   3441: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 3442: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 3443: 	     $num_todo=scalar(@allcodes);
1.389     foxr     3444: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     3445: 	     $num_todo = 1;
                   3446: 	     @allcodes = ($selected_code);
1.385     foxr     3447: 	 } elsif ($single_code) {
                   3448: 
1.387     foxr     3449: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     3450: 	     # If an alpha code have to convert to numbers so it can be
                   3451: 	     # converted back to letters again :-)
                   3452: 	     #
                   3453: 	     if ($code_type ne 'number') {
                   3454: 		 $single_code = &letters_to_num($single_code);
                   3455: 	     }
                   3456: 	     @allcodes = ($single_code);
1.292     albertel 3457: 	 } else {
                   3458: 	     my %allcodes;
1.299     albertel 3459: 	     srand($seed);
1.292     albertel 3460: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 3461: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   3462: 					    $code_type);
1.292     albertel 3463: 	     }
1.645     raeburn  3464:              $code_name =~ s/^\s+//;
                   3465:              $code_name =~ s/\s+$//;
1.292     albertel 3466: 	     if ($code_name) {
                   3467: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 3468: 				      {
                   3469: 					$code_name =>join(',',keys(%allcodes)),
                   3470: 					"type\0$code_name" => $code_type
                   3471: 				      },
1.292     albertel 3472: 				      $cdom,$cnum);
                   3473: 	     }
                   3474: 	     @allcodes=keys(%allcodes);
                   3475: 	 }
1.336     albertel 3476: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.590     foxr     3477: 	 my ($type) = split(/_/,$print_type);
1.452     albertel 3478: 	 &adjust_number_to_print($helper);
1.336     albertel 3479: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1.587     foxr     3480: 	 if ($number_per_page eq '0' || $number_per_page eq 'all'
                   3481: 	     || $number_per_page eq 'section') {
                   3482: 	     $number_per_page=$num_todo > 0 ? $num_todo : 1;
1.336     albertel 3483: 	 }
1.699     raeburn  3484: 	 my $flag_latex_header_remove = 'NO';
1.611     www      3485: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
1.295     albertel 3486: 	 my $count=0;
1.647     raeburn  3487:          my $nohidemap;
                   3488:          if ($perm{'pav'} && $perm{'vgr'}) {
                   3489:              $nohidemap = 1;
                   3490:          }
1.292     albertel 3491: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 3492: 	     my $file_num=int($count/$number_per_page);
1.699     raeburn  3493: 	     if ($code_type eq 'number') {
1.381     albertel 3494: 		 $moreenv{'CODE'}=$code;
                   3495: 	     } else {
                   3496: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   3497: 	     }
1.675     raeburn  3498:              $env{'form.CODE'} = $moreenv{'CODE'};
                   3499:              my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
                   3500:                                                        undef,
                   3501:                                                        $moreenv{'CODE'}, $nohidemap);
                   3502:              delete($env{'form.CODE'});
1.375     foxr     3503: 	     my ($output,$fullname, $printed)=
1.288     albertel 3504: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.625     raeburn  3505: 				  $actual_seq,$flag_latex_header_remove,
1.360     albertel 3506: 				  $LaTeXwidth);
1.375     foxr     3507: 	     $resources_printed .= ":";
1.295     albertel 3508: 	     $print_array[$file_num].=$output;
1.288     albertel 3509: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   3510: 				       &mt('last assignment').' '.$fullname);
                   3511: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 3512: 	     $count++;
1.331     albertel 3513: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 3514: 	 }
                   3515: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3516: 	 $result .= $print_array[0].'  \end{document}';
1.665     raeburn  3517:      } elsif ($print_type eq 'problems_from_directory') {
1.699     raeburn  3518:     #prints selected problems from the subdirectory
1.151     sakharuk 3519: 	$selectionmade = 6;
                   3520:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 3521: 	@list_of_files=sort @list_of_files;
1.699     raeburn  3522: 	my $flag_latex_header_remove = 'NO';
1.175     sakharuk 3523: 	my $rndseed=time;
1.230     albertel 3524: 	if ($helper->{'VARS'}->{'curseed'}) {
                   3525: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   3526: 	}
1.151     sakharuk 3527: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     3528: 
                   3529: 	    &Apache::lonenc::reset_enc();
                   3530: 
1.152     sakharuk 3531: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 3532: 	    $urlp=~s|//|/|;
1.152     sakharuk 3533: 	    if ($urlp=~/\//) {
1.353     foxr     3534: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 3535: 		$form{'rndseed'}=$rndseed;
1.603     www      3536: 		$urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.375     foxr     3537: 		$resources_printed .= $urlp.':';
1.515     foxr     3538: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 3539: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 3540: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3541: 		    #  Don't permanently pervert %form:
                   3542: 		    my %answerform = %form;
                   3543: 		    $answerform{'grade_target'}='answer';
                   3544: 		    $answerform{'answer_output_mode'}='tex';
                   3545: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3546: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     3547: 		    $resources_printed .= $urlp.':';
1.515     foxr     3548: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 3549: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  3550: 			$texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.251     sakharuk 3551: 		    } else {
1.253     sakharuk 3552: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   3553: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   3554: 			    $texversion.='\vskip 0 mm \noindent ';
                   3555: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   3556: 			} else {
1.604     www      3557: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.
1.633     raeburn  3558:                                          &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
1.604     www      3559: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1.253     sakharuk 3560: 			}
                   3561: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 3562: 		    }
1.174     sakharuk 3563: 		}
1.515     foxr     3564:                 #this chunk is responsible for printing the path to problem
                   3565: 
1.603     www      3566: 		my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
1.649     raeburn  3567: 		$texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 3568: 		if ($flag_latex_header_remove ne 'NO') {
                   3569: 		    $texversion = &latex_header_footer_remove($texversion);
                   3570: 		} else {
1.649     raeburn  3571: 		    $texversion =~ s/\\end\{document}//;
1.216     sakharuk 3572: 		}
                   3573: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3574: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 3575: 		}
1.219     sakharuk 3576: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   3577: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
1.699     raeburn  3578: 
1.219     sakharuk 3579: 		}
1.152     sakharuk 3580: 		$result .= $texversion;
                   3581: 	    }
1.699     raeburn  3582: 	    $flag_latex_header_remove = 'YES';
1.151     sakharuk 3583: 	}
1.175     sakharuk 3584: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 3585: 	$result .= '\end{document}';      	
1.140     sakharuk 3586:     }
                   3587: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     3588: 
                   3589:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   3590: 
                   3591:     if ($do_postprocessing) {
1.590     foxr     3592: 	$result = &page_format_transformation($papersize,
                   3593: 					      $laystyle,$numberofcolumns,
                   3594: 					      $print_type,$result,
                   3595: 					      $helper->{VARS}->{'assignment'},
                   3596: 					      $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3597: 					      $helper->{'VARS'}->{'TABLE_INDEX'},
                   3598: 					      $selectionmade);
1.499     foxr     3599: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   3600: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   3601: 	#if ($numberofcolumns == 1) {
1.451     albertel 3602: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   3603: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   3604: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   3605: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     3606: 	#}
                   3607:     }
1.367     foxr     3608: 
1.648     damieng  3609:     # Set URLback so we can provide a link back to the resource and to change options.
                   3610:     # (Since the browser back button does not currently work with https,
                   3611:     # the back link is useful even when there is an easy-to-miss LON-CAPA back button.)
1.274     sakharuk 3612: 
1.276     sakharuk 3613:     my $URLback=''; #link to original document
1.510     albertel 3614:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.607     www      3615: 	$URLback=$helper->{'VARS'}->{'filename'};
1.648     damieng  3616:     } elsif ($helper->{VARS}{'symb'}) {
                   3617:         my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
1.666     raeburn  3618:         my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   3619:         my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.672     raeburn  3620:         my ($anchor,$usehttp,$plainurl);
1.653     raeburn  3621:         $url = &Apache::lonnet::clutter($url);
1.672     raeburn  3622:         $plainurl = $url;
1.666     raeburn  3623:         if (($ENV{'SERVER_PORT'} == 443) && ($env{'request.course.id'}) &&
                   3624:             (($url =~ m{^\Q/public/$cdom/$cnum/syllabus\E($|\?)}) ||
                   3625:              ($url =~ m{^\Q/adm/wrapper/ext/\E(?!https:)}))) {
1.673     raeburn  3626:             unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl())) {
1.666     raeburn  3627:                 $usehttp = 1;
                   3628:             }
                   3629:         }
1.653     raeburn  3630:         if ($env{'request.enc'}) {
1.699     raeburn  3631:             $url = &Apache::lonenc::encrypted($url);
1.653     raeburn  3632:         }
1.658     raeburn  3633:         if ($url ne '') {
1.666     raeburn  3634:             my $symb = $helper->{VARS}{'symb'};
                   3635:             if ($url =~ m{^\Q/adm/wrapper/ext/\E}) {
                   3636:                 my $link = $url;
                   3637:                 ($link,$anchor) = ($url =~ /^([^\#]+)(?:|(\#[^\#]+))$/);
                   3638:                 if ($anchor) {
                   3639:                     ($symb) = ($helper->{VARS}{'symb'} =~ /^([^\#]+)/);
                   3640:                 }
                   3641:                 $url = $link;
                   3642:             }
                   3643:             $URLback = $url;
                   3644:             if ($usehttp) {
                   3645:                 $URLback .= (($URLback =~ /\?/) ? '&amp;':'?').'usehttp=1';
                   3646:             }
1.672     raeburn  3647:             unless ($plainurl =~ /\.page$/) {
                   3648:                 $URLback .= (($URLback =~ /\?/) ? '&amp;':'?').'symb='.&escape($symb.$anchor);
                   3649:             }
1.658     raeburn  3650:         }
1.679     raeburn  3651:     } elsif (($helper->{VARS}->{'postdata'} eq '/adm/navmaps') &&
                   3652:              ($env{'request.course.id'})) {
                   3653:         $URLback=$helper->{VARS}->{'postdata'};
1.276     sakharuk 3654:     }
1.556     foxr     3655:     #
                   3656:     # Final adjustment of the font size:
                   3657:     #
                   3658: 
                   3659:     $result = set_font_size($result);
1.375     foxr     3660: 
1.612     foxr     3661:     # Insert any babel headers required.
                   3662: 
                   3663:     $result       = &collect_languages($result);
                   3664: 
                   3665: 
1.699     raeburn  3666: #-- writing .tex file in prtspool
1.525     www      3667:     my $temp_file;
                   3668:     my $identifier = &Apache::loncommon::get_cgi_id();
                   3669:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
1.699     raeburn  3670:     if (!($#print_array>0)) {
1.525     www      3671:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   3672: 	  $r->log_error("Couldn't open $filename for output $!");
1.699     raeburn  3673: 	  return SERVER_ERROR;
1.525     www      3674:        }
                   3675:        print $temp_file $result;
                   3676:        my $begin=index($result,'\begin{document}',0);
1.699     raeburn  3677:        my $inc=substr($result,0,$begin+16);
1.515     foxr     3678:     } else {
1.525     www      3679:        my $begin=index($result,'\begin{document}',0);
                   3680:        my $inc=substr($result,0,$begin+16);
                   3681:        for (my $i=0;$i<=$#print_array;$i++) {
                   3682: 	  if ($i==0) {
                   3683: 	      $print_array[$i]=$result;
                   3684: 	  } else {
                   3685: 	      $print_array[$i].='\end{document}';
1.699     raeburn  3686: 	      $print_array[$i] =
1.525     www      3687: 		&latex_corrections($number_of_columns,$print_array[$i],
1.699     raeburn  3688: 				   $selectionmade,
1.525     www      3689: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.699     raeburn  3690: 
1.525     www      3691: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   3692: 	      substr($print_array[$i],0,$anobegin)='';
                   3693: 	      $print_array[$i]=$inc.$print_array[$i];
                   3694: 	  }
                   3695: 	  my $temp_file;
                   3696: 	  my $newfilename=$filename;
                   3697: 	  my $num=$i+1;
1.699     raeburn  3698: 	  $newfilename =~s/\.tex$//;
1.525     www      3699: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   3700: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   3701: 	      $r->log_error("Couldn't open $newfilename for output $!");
1.699     raeburn  3702: 	      return SERVER_ERROR;
1.525     www      3703: 	  }
                   3704: 	  print $temp_file $print_array[$i];
                   3705:        }
                   3706:     }
                   3707:     my $student_names='';
                   3708:     if ($#print_array>0) {
                   3709:         for (my $i=0;$i<=$#print_array;$i++) {
                   3710:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     3711: 	}
1.525     www      3712:     } else {
                   3713: 	if ($#student_names>-1) {
                   3714: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     3715: 	} else {
1.525     www      3716:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   3717: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     3718: 				    $env{'request.course.sec'},$fullname).
                   3719: 					'_ENDPERSON_'.'_END_';
                   3720: 	}
1.525     www      3721:      }
1.515     foxr     3722: 	
1.525     www      3723:      # logic for now is too complex to trace if this has been defined
                   3724:      #  yet.
                   3725:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3726:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3727:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     3728: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   3729: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   3730: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   3731: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   3732: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3733: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   3734: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   3735: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   3736: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.655     raeburn  3737: 				'cgi.'.$identifier.'.backref' => &escape($URLback),});
1.525     www      3738:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     3739: 				"cgi.$identifier.domain"  => $env{'user.domain'},
1.699     raeburn  3740: 				"cgi.$identifier.courseid" => $cnum,
                   3741: 				"cgi.$identifier.coursedom" => $cdom,
1.520     raeburn  3742: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     3743: 	
1.525     www      3744:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  3745:     my $continue_text = &mt('Continue');
1.525     www      3746:     # If there's been an unrecoverable SSI error, report it to the user
                   3747:     if ($ssi_error) {
                   3748:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   3749:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      3750:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   3751:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   3752:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  3753:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      3754:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   3755:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  3756:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      3757:     } else {
1.515     foxr     3758: 	$r->print(<<FINALEND);
1.317     albertel 3759: <br />
1.288     albertel 3760: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  3761: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 3762: $end_page
1.140     sakharuk 3763: FINALEND
1.528     raeburn  3764:     }                                     # endif ssi errors.
1.140     sakharuk 3765: }
                   3766: 
1.288     albertel 3767: 
                   3768: sub get_CODE {
1.381     albertel 3769:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 3770:     my $max='1'.'0'x$size;
                   3771:     my $newcode;
                   3772:     while(1) {
1.392     albertel 3773: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 3774: 	if (!exists($$all_codes{$newcode})) {
                   3775: 	    $$all_codes{$newcode}=1;
1.381     albertel 3776: 	    if ($type eq 'number' ) {
                   3777: 		return $newcode;
                   3778: 	    } else {
                   3779: 		return &num_to_letters($newcode);
                   3780: 	    }
1.288     albertel 3781: 	}
                   3782:     }
                   3783: }
1.140     sakharuk 3784: 
1.284     albertel 3785: sub print_resources {
1.360     albertel 3786:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 3787: 	$LaTeXwidth)=@_;
1.699     raeburn  3788:     my $current_output = '';
1.375     foxr     3789:     my $printed = '';
1.284     albertel 3790:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   3791:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     3792:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.600     foxr     3793: 
1.619     foxr     3794: 
1.591     foxr     3795:     #
                   3796:     # Figure out if we need to filter the output by
                   3797:     # the incomplete problems for that person
                   3798:     #
                   3799:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
                   3800:     my $print_incomplete = 0;
                   3801:     if (($print_type eq 'map_incomplete_problems_people_seq')   ||
                   3802: 	($print_type eq 'incomplete_problems_selpeople_course')) {
                   3803: 	$print_incomplete = 1;
                   3804:     }
1.596     raeburn  3805:     if ($person eq 'anonymous') {
1.613     ramirez  3806: 	$namepostfix .=&mt('Name:')." ";
1.288     albertel 3807: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   3808:     }
1.590     foxr     3809: 
1.444     foxr     3810:     #  Fullname may have special latex characters that need \ prefixing:
                   3811:     #
                   3812: 
1.350     foxr     3813:     my $i           = 0;
1.591     foxr     3814:     my $actually_printed = 0;	# Count of resources printed.
1.699     raeburn  3815:     #goes through all resources, checks if they are available for
                   3816:     #current student, and produces output
1.428     albertel 3817: 
                   3818:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 3819:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 3820:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     3821:     #
1.699     raeburn  3822:     #   end each student with a
1.440     foxr     3823:     #   Special that allows the post processor to even out the page
                   3824:     #   counts later.  Nasty problem this... it would be really
                   3825:     #   nice to put the special in as a postscript comment
1.441     foxr     3826:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     3827:     #   The special gets passed the \ and dvips puts it in the output file
1.689     raeburn  3828:     #   so we will just rely on printout.pl to strip ENDOFSTUDENTSTAMP from the
1.441     foxr     3829:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     3830:     #
1.591     foxr     3831: 
1.568     foxr     3832:     my $syllabus_first = 0;
1.619     foxr     3833:     my $current_assignment = "";
                   3834:     my $assignment;
                   3835:     my $courseidinfo = &get_course();
1.643     raeburn  3836:     my $possprint = scalar(@{$master_seq});
1.619     foxr     3837: 
1.284     albertel 3838:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     3839: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     3840: 	    if($i != 0) {
                   3841: 		$current_output.= "\\newpage\n";
                   3842: 	    }
                   3843: 	}
1.569     foxr     3844: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     3845: 	$i++;
1.619     foxr     3846: 	my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   3847: 
                   3848: 	# See if we need to emit a new header:
                   3849: 
1.699     raeburn  3850: 	if ( !($type eq 'problems' &&
1.609     www      3851: 	       ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
1.591     foxr     3852: 	    if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
                   3853: 		next;
                   3854: 	    }
                   3855: 	    $actually_printed++; # we're going to print one.
1.639     raeburn  3856: 
1.284     albertel 3857: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 3858: 		if ($res_url!~m|^ext/|
1.413     albertel 3859: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     3860: 		    $printed .= $curresline.':';
1.699     raeburn  3861: 		    &Apache::lonxml::remember_problem_counter();
1.428     albertel 3862: 
1.526     www      3863: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  3864:                     if ($res_url =~ /\.page$/) {
                   3865:                         if ($remove_latex_header eq 'NO') {
                   3866:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   3867:                                 $rendered = &print_latex_header().$rendered;
                   3868:                             }
                   3869:                         }
1.591     foxr     3870: ;
1.582     raeburn  3871:                         if ($remove_latex_header eq 'YES') {
                   3872:                             $rendered = &latex_header_footer_remove($rendered);
                   3873:                         } else {
1.649     raeburn  3874:                             $rendered =~ s/\\end\{document}\d*//;
1.582     raeburn  3875:                         }
                   3876:                     }
1.305     sakharuk 3877: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3878: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3879: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   3880: 			my %answerenv = %{$moreenv};
                   3881: 			$answerenv{'answer_output_mode'}='tex';
1.591     foxr     3882: 
                   3883: 
1.380     foxr     3884: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 3885: 			
                   3886: 			&Apache::lonxml::restore_problem_counter();
                   3887: 
1.380     foxr     3888: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 3889: 
1.305     sakharuk 3890: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  3891: 			    $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/;
1.305     sakharuk 3892: 			} else {
1.423     foxr     3893: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  3894:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
1.649     raeburn  3895:                                 $header =~ s/\\begin\{document}//;     #<<<<<
1.582     raeburn  3896:                             }
1.477     albertel 3897: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3898: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3899: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3900: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3901: 			    $body     .='\vskip 1 mm '.$ansrendered;
1.676     raeburn  3902: 			    $body     = &encapsulate_minipage($body,$answerenv{'problem_split'});
1.423     foxr     3903: 			    $rendered = $header.$body;
1.305     sakharuk 3904: 			}
                   3905: 		    }
1.511     foxr     3906: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3907: 			my $url = &Apache::lonnet::clutter($res_url);
                   3908: 			my $annotation = &annotate($url);
1.649     raeburn  3909: 			$rendered =~  s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.511     foxr     3910: 		    }
1.562     foxr     3911: 		    my $junk;
1.305     sakharuk 3912: 		    if ($remove_latex_header eq 'YES') {
                   3913: 			$rendered = &latex_header_footer_remove($rendered);
                   3914: 		    } else {
1.649     raeburn  3915: 			$rendered =~ s/\\end\{document}//;
1.305     sakharuk 3916: 		    }
1.699     raeburn  3917: 		    $current_output .= $rendered;
1.660     raeburn  3918: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
1.568     foxr     3919: 		    if ($i == 1) {
                   3920: 			$syllabus_first = 1;
                   3921: 		    }
1.375     foxr     3922: 		    $printed .= $curresline.':';
1.528     raeburn  3923: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3924: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3925: 			my $url = &Apache::lonnet::clutter($res_url);
                   3926: 			my $annotation = &annotate($url);
1.649     raeburn  3927: 			$annotation    =~ s/(\\end\{document})/$annotation$1/;
1.511     foxr     3928: 		    }
1.305     sakharuk 3929: 		    if ($remove_latex_header eq 'YES') {
                   3930: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3931: 		    } else {
1.649     raeburn  3932: 			$rendered =~ s/\\end\{document}//;
1.284     albertel 3933: 		    }
1.421     foxr     3934: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.690     raeburn  3935: 		} elsif($res_url =~ /\.pdf$/) {
1.552     foxr     3936: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3937: 		    my $rendered  = &include_pdf($url);
                   3938: 		    if ($remove_latex_header ne 'NO') {
                   3939: 			$rendered = &latex_header_footer_remove($rendered);
                   3940: 		    }
                   3941: 		    $current_output .= $rendered;
1.284     albertel 3942: 		} else {
1.414     albertel 3943: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3944: 		    if ($remove_latex_header ne 'NO') {
                   3945: 			$rendered = &latex_header_footer_remove($rendered);
                   3946: 		    } else {
1.649     raeburn  3947: 			$rendered =~ s/\\end\{document}//;
1.305     sakharuk 3948: 		    }
                   3949: 		    $current_output .= $rendered;
1.284     albertel 3950: 		}
                   3951: 	    }
                   3952: 	    $remove_latex_header = 'YES';
1.590     foxr     3953: 	}
1.619     foxr     3954: 	$assignment = &Apache::lonxml::latex_special_symbols(
                   3955: 	    &Apache::lonnet::gettitle($map), 'header');
                   3956: 	if (($assignment ne $current_assignment) && ($assignment ne "")) {
                   3957: 	    my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.699     raeburn  3958: 						  $assignment, $courseidinfo,
1.619     foxr     3959: 						  $fullname, $usersection);
                   3960: 	    my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3961: 		: '\fancyhead[LO]';
                   3962: 	    $header_line = $header_start.'{'.$header_line.'}';
                   3963: 	    $current_output = $current_output . $header_line;
                   3964: 	    $current_assignment = $assignment;
                   3965: 	}
                   3966: 
1.331     albertel 3967: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3968:     }
1.591     foxr     3969:     # If we are printing incomplete it's possible we don't have
                   3970:     # anything to print.  The print subsystem is not so good at handling
                   3971:     # that so we're going to generate a stub that says there are no
                   3972:     # incomplete resources for the person.
                   3973:     #
1.593     foxr     3974: 
1.591     foxr     3975:     if ($actually_printed == 0) {
1.643     raeburn  3976:         my $message = &mt('No resources to print');
                   3977:         if (!$possprint) {
                   3978:             if ($perm{'pav'} || $perm{'pfo'}) {
                   3979:                 $message = &mt('There are no unhidden resources to print.')."\n\n".
                   3980:                            &mt('The most likely reason is one of the following: ')."\n".
                   3981:                            '\begin{itemize}'."\n".
                   3982:                            '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n".
                   3983:                            '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n".
                   3984:                            '\end{itemize}'."\n\n".
                   3985:                            &mt("Note: to print a bubblesheet exam which you want to hide from students, ".
                   3986:                                "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n";
                   3987:             }
                   3988:         } elsif ($print_incomplete) {
                   3989:             $message = &mt('No incomplete resources');
                   3990:         }
1.699     raeburn  3991:         if ($message) {
1.676     raeburn  3992: 	    $current_output  = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n",$moreenv->{'problem_split'});
1.643     raeburn  3993:         }
1.593     foxr     3994: 	if ($remove_latex_header eq "NO") {
                   3995: 	    $current_output = &print_latex_header() . $current_output;
                   3996: 	} else {
                   3997: 	    $current_output = &latex_header_footer_remove($current_output);
                   3998: 	}
1.591     foxr     3999:     }
1.552     foxr     4000: 
1.583     raeburn  4001:     if ($syllabus_first) {
                   4002:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   4003:     }
1.642     raeburn  4004:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   4005:     my $header_line =
                   4006:     &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
                   4007:                         $currentassignment, $courseidinfo, $fullname, $usersection);
                   4008:     my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]';
                   4009:     my $newheader = $header_start.'{'.$header_line.'}';
1.583     raeburn  4010:     if ($current_output=~/\\documentclass/) {
1.649     raeburn  4011: 	$current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
1.619     foxr     4012: 
1.284     albertel 4013:     } else {
1.699     raeburn  4014: 	my $blankpages =
1.476     albertel 4015: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
1.619     foxr     4016: 	
1.476     albertel 4017: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   4018: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
1.639     raeburn  4019: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   4020: 	    $newheader.$namepostfix. '} \vskip 5 mm '.$current_output;
1.619     foxr     4021: 
1.284     albertel 4022:     }
1.440     foxr     4023:     #
                   4024:     #  Close the student bracketing.
                   4025:     #
1.375     foxr     4026:     return ($current_output,$fullname, $printed);
1.284     albertel 4027: 
                   4028: }
1.140     sakharuk 4029: 
1.614     raeburn  4030: sub printing_blocked {
                   4031:     my ($r,$blocktext) = @_;
                   4032:     my $title = &mt('Preparing Printout');
                   4033:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   4034:     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
                   4035:                                             text=> $title});
                   4036:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
                   4037:     &Apache::loncommon::content_type($r,'text/html');
                   4038:     &Apache::loncommon::no_cache($r);
                   4039:     $r->send_http_header;
                   4040:     $r->print(&Apache::loncommon::start_page('Preparing Printout').
                   4041:               $breadcrumbs.
                   4042:               $blocktext.
                   4043:               &Apache::loncommon::end_page());
                   4044:     return;
                   4045: }
                   4046: 
1.3       sakharuk 4047: sub handler {
                   4048: 
                   4049:     my $r = shift;
1.614     raeburn  4050: 
                   4051:     if ($env{'request.course.id'}) {
                   4052:         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4053:         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.674     raeburn  4054:         my $clientip = &Apache::lonnet::get_requestor_ip($r);
1.699     raeburn  4055:         my ($blocked,$blocktext) =
1.674     raeburn  4056:             &Apache::loncommon::blocking_status('printout',$clientip,$cnum,$cdom);
1.614     raeburn  4057:         if ($blocked) {
                   4058:             my $checkrole = "cm./$cdom/$cnum";
                   4059:             if ($env{'request.course.sec'} ne '') {
                   4060:                 $checkrole .= "/$env{'request.course.sec'}";
                   4061:             }
1.699     raeburn  4062:             unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) &&
1.614     raeburn  4063:                     ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
                   4064:                 &printing_blocked($r,$blocktext);
                   4065:                 return OK;
                   4066:             }
                   4067:         }
                   4068:     }
1.699     raeburn  4069: 
1.397     albertel 4070:     &init_perm();
                   4071:     my $helper = printHelper($r);
                   4072:     if (!ref($helper)) {
                   4073: 	return $helper;
1.60      sakharuk 4074:     }
1.699     raeburn  4075: 
1.184     sakharuk 4076: 
1.454     foxr     4077:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.350     foxr     4078: 
1.367     foxr     4079:     #  If a figure conversion queue file exists for this user.domain
                   4080:     # we delete it since it can only be bad (if it were good, printout.pl
                   4081:     # would have deleted it the last time around.
                   4082: 
1.373     albertel 4083:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     4084:     if(-e $conversion_queuefile) {
                   4085: 	unlink $conversion_queuefile;
                   4086:     }
1.515     foxr     4087: 
1.184     sakharuk 4088:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 4089:     return OK;
1.614     raeburn  4090: }
1.2       sakharuk 4091: 
1.131     bowersj2 4092: use Apache::lonhelper;
1.130     sakharuk 4093: 
1.223     bowersj2 4094: sub addMessage {
                   4095:     my $text = shift;
                   4096:     my $paramHash = Apache::lonhelper::getParamHash();
                   4097:     $paramHash->{MESSAGE_TEXT} = $text;
                   4098:     Apache::lonhelper::message->new();
                   4099: }
                   4100: 
1.416     foxr     4101: 
1.238     bowersj2 4102: 
1.397     albertel 4103: sub init_perm {
                   4104:     undef(%perm);
                   4105:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   4106:     if (!$perm{'pav'}) {
                   4107: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   4108: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   4109:     }
1.465     albertel 4110:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 4111:     if (!$perm{'pfo'}) {
                   4112: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   4113: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   4114:     }
1.585     raeburn  4115:     $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
                   4116:     if (!$perm{'vgr'}) {
                   4117:         $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
                   4118:                    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   4119:     }
1.397     albertel 4120: }
                   4121: 
1.507     albertel 4122: sub get_randomly_ordered_warning {
                   4123:     my ($helper,$map) = @_;
                   4124: 
                   4125:     my $message;
                   4126: 
                   4127:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   4128:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  4129:     if (defined($navmap)) {
                   4130:         my $res = $navmap->getResourceByUrl($map);
                   4131:         if ($res) {
1.699     raeburn  4132: 	    my $func =
1.547     raeburn  4133: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   4134: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
1.610     foxr     4135: 
1.547     raeburn  4136:         }
                   4137:     } else {
1.699     raeburn  4138:         $message = "Retrieval of information about ordering of resources failed.";
1.547     raeburn  4139:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 4140:     }
                   4141:     return;
                   4142: }
                   4143: 
1.131     bowersj2 4144: sub printHelper {
1.115     bowersj2 4145:     my $r = shift;
                   4146: 
                   4147:     if ($r->header_only) {
1.373     albertel 4148:         if ($env{'browser.mathml'}) {
1.241     www      4149:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 4150:         } else {
1.241     www      4151:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 4152:         }
                   4153:         $r->send_http_header;
                   4154:         return OK;
1.115     bowersj2 4155:     }
                   4156: 
1.131     bowersj2 4157:     # Send header, nocache
1.373     albertel 4158:     if ($env{'browser.mathml'}) {
1.241     www      4159:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 4160:     } else {
1.241     www      4161:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 4162:     }
                   4163:     &Apache::loncommon::no_cache($r);
                   4164:     $r->send_http_header;
                   4165:     $r->rflush();
                   4166: 
1.131     bowersj2 4167:     # Unfortunately, this helper is so complicated we have to
                   4168:     # write it by hand
                   4169: 
                   4170:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
1.699     raeburn  4171: 
1.176     bowersj2 4172:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 4173:     $helper->declareVar('symb');
1.699     raeburn  4174:     $helper->declareVar('postdata');
                   4175:     $helper->declareVar('curseed');
                   4176:     $helper->declareVar('probstatus');
1.156     bowersj2 4177:     $helper->declareVar('filename');
                   4178:     $helper->declareVar('construction');
1.178     sakharuk 4179:     $helper->declareVar('assignment');
1.262     sakharuk 4180:     $helper->declareVar('style_file');
1.340     foxr     4181:     $helper->declareVar('student_sort');
1.363     foxr     4182:     $helper->declareVar('FINISHPAGE');
1.366     foxr     4183:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     4184:     $helper->declareVar("showallfoils");
1.483     foxr     4185:     $helper->declareVar("STUDENTS");
1.569     foxr     4186:     $helper->declareVar("EXTRASPACE");
1.518     foxr     4187: 
1.699     raeburn  4188: 
1.518     foxr     4189: 
                   4190: 
1.569     foxr     4191:     #  The page breaks and extra spaces
                   4192:     #  can get loaded initially from the course environment:
1.394     foxr     4193:     # But we only do this in the initial state so that they are allowed to change.
                   4194:     #
1.366     foxr     4195: 
1.699     raeburn  4196: 
1.363     foxr     4197:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     4198: 						{'pagebreaks'  => 'scalar',
1.569     foxr     4199: 						 'extraspace'  => 'scalar',
1.570     foxr     4200: 						 'extraspace_units' => 'scalar',
1.366     foxr     4201: 					         'lastprinttype' => 'scalar'});
1.699     raeburn  4202: 
1.483     foxr     4203:     # This will persistently load in the data we want from the
                   4204:     # very first screen.
1.699     raeburn  4205: 
1.394     foxr     4206:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   4207: 	if (!defined ($env{"form.CURRENT_STATE"})) {
1.699     raeburn  4208: 
1.394     foxr     4209: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     4210: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     4211: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     4212: 	} else {
                   4213: 	    my $state = $env{"form.CURRENT_STATE"};
                   4214: 	    if ($state eq "START") {
                   4215: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     4216: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     4217: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   4218: 		
1.394     foxr     4219: 	    }
                   4220: 	}
                   4221: 	
1.366     foxr     4222:     }
1.481     albertel 4223: 
1.156     bowersj2 4224:     # Detect whether we're coming from construction space
1.602     www      4225:     if ($env{'form.postdata'}=~m{^/priv}) {
                   4226:         $helper->{VARS}->{'filename'} = $env{'form.postdata'};
1.156     bowersj2 4227:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 4228:     } else {
1.373     albertel 4229:         if ($env{'form.postdata'}) {
1.679     raeburn  4230:             unless ($env{'form.postdata'} eq '/adm/navmaps') {
                   4231:                 $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
                   4232:             }
1.482     albertel 4233: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   4234: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   4235: 	    }
1.156     bowersj2 4236:         }
1.373     albertel 4237:         if ($env{'form.symb'}) {
                   4238:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 4239:         }
1.373     albertel 4240:         if ($env{'form.url'}) {
1.685     raeburn  4241:             unless ($env{'form.url'} eq '/adm/navmaps') {
                   4242:                 $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   4243:             }
1.156     bowersj2 4244:         }
1.157     bowersj2 4245:     }
1.481     albertel 4246: 
1.667     raeburn  4247:     if ($helper->{VARS}->{'symb'} ne '') {
                   4248:         $helper->{VARS}->{'symb'}=
                   4249: 	    &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
                   4250:     }
1.679     raeburn  4251:     my ($resourceTitle,$sequenceTitle,$mapTitle,$cdom,$cnum);
                   4252:     if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') {
                   4253:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4254:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   4255:         if ($env{'course.'.$env{'request.course.id'}.'.url'} eq
                   4256:             "uploaded/$cdom/$cnum/default.sequence") {
                   4257:             my $navmap = Apache::lonnavmaps::navmap->new();
                   4258:             if (ref($navmap)) {
                   4259:                 my @toplevelres = $navmap->retrieveResources('',sub { !(($_[0]->is_map()) || ($_[0]->src =~ /^\/adm\/navmaps/)) },0,0);
                   4260:                 if (@toplevelres) {
                   4261:                     my @printable;
                   4262:                     if ($perm{'pav'} || $perm{'pfo'}) {
                   4263:                         @printable = @toplevelres;
                   4264:                     } else {
                   4265:                         @printable = $navmap->retrieveResources(undef,sub { $_[0]->resprintable() },0,1);
                   4266:                     }
                   4267:                     if (@printable) {
                   4268:                         $sequenceTitle = 'Main Content';
                   4269:                         $mapTitle = $sequenceTitle;
                   4270:                     }
                   4271:                 }
                   4272:             }
                   4273:         }
                   4274:     } else {
                   4275:         ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
                   4276:     }
1.178     sakharuk 4277:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 4278: 
1.146     bowersj2 4279:     # Extract map
                   4280:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 4281:     my ($map, $id, $url);
                   4282:     my $subdir;
1.483     foxr     4283:     my $is_published=0;		# True when printing from resource space.
1.699     raeburn  4284:     my $res_printable = 1;	# By default the current resource is printable.
1.663     raeburn  4285:     my $res_error;
1.589     foxr     4286:     my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
1.615     foxr     4287:     my $res_printstartdate;
                   4288:     my $res_printenddate;
1.616     foxr     4289:     my $map_open = 0;
                   4290:     my $map_close = 0xffffffff;
                   4291:     my $course_open = 0;
                   4292:     my $course_close = 0xffffffff;
1.156     bowersj2 4293: 
                   4294:     # Get the resource name from construction space
                   4295:     if ($helper->{VARS}->{'construction'}) {
1.699     raeburn  4296:         $resourceTitle = substr($helper->{VARS}->{'filename'},
1.156     bowersj2 4297:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   4298:         $subdir = substr($helper->{VARS}->{'filename'},
                   4299:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 4300:     } else {
1.562     foxr     4301: 	# From course space:
                   4302: 
1.482     albertel 4303: 	if ($symb ne '') {
                   4304: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
1.699     raeburn  4305: 	    $helper->{VARS}->{'postdata'} =
1.482     albertel 4306: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.679     raeburn  4307:         } elsif (($helper->{VARS}->{'postdata'} eq '/adm/navmaps') &&
                   4308:                 ($env{'request.course.id'} ne '')) {
                   4309:             if ($env{'course.'.$env{'request.course.id'}.'.url'} eq
                   4310:                 "uploaded/$cdom/$cnum/default.sequence") {
                   4311:                 $map = $env{'course.'.$env{'request.course.id'}.'.url'};
                   4312:                 $url = $helper->{VARS}->{'postdata'};
                   4313:             }
                   4314:         }
                   4315:         if (($symb ne '') || ($map ne '')) {
1.663     raeburn  4316:             if (!$userCanPrint) {
                   4317: 	        my $navmap = Apache::lonnavmaps::navmap->new();
                   4318:                 if (ref($navmap)) {
1.679     raeburn  4319:                     my $res;
                   4320:                     if ($symb ne '') {
                   4321: 	                $res = $navmap->getBySymb($symb);
                   4322:                     } elsif ($map ne '') {
                   4323:                         $res = $navmap->getResourceByUrl($map);
                   4324:                     }
1.663     raeburn  4325:                     if (ref($res)) {
                   4326: 	                $res_printable = $res->resprintable(); #printability in course context
                   4327: 	                ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
                   4328: 	                ($course_open, $course_close) = &course_print_dates($res);
                   4329: 	                ($map_open, $map_close) = &map_print_dates($res);
                   4330:                     } else {
1.699     raeburn  4331:                         $res_error = 1;
1.663     raeburn  4332:                     }
                   4333:                 } else {
                   4334:                     $res_error = 1;
                   4335:                 }
                   4336:             }
1.482     albertel 4337: 	} else {
1.589     foxr     4338: 	    # Resource space.
                   4339: 
1.482     albertel 4340: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     4341: 	    $is_published=1;	# From resource space.
1.482     albertel 4342: 	}
                   4343: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 4344:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 4345:             my $postdata = $helper->{VARS}->{'postdata'};
                   4346:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 4347:         }
1.679     raeburn  4348:         if (($url eq '/adm/navmaps') && ($map eq $env{'course.'.$env{'request.course.id'}.'.url'})) {
                   4349:             $res_printable=0;
                   4350:         } else {
                   4351:             $subdir = &Apache::lonnet::filelocation("", $url);
                   4352:         }
1.589     foxr     4353: 
                   4354: 
1.128     bowersj2 4355:     }
1.373     albertel 4356:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   4357: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 4358:     }
1.616     foxr     4359: 
1.373     albertel 4360:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     4361: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 4362:     }
1.115     bowersj2 4363: 
1.192     bowersj2 4364:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   4365: 
1.481     albertel 4366:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 4367: 
1.131     bowersj2 4368:     # "Delete everything after the last slash."
1.119     bowersj2 4369:     $subdir =~ s|/[^/]+$||;
                   4370: 
1.131     bowersj2 4371:     # What can be printed is a very dynamic decision based on
                   4372:     # lots of factors. So we need to dynamically build this list.
                   4373:     # To prevent security leaks, states are only added to the wizard
                   4374:     # if they can be reached, which ensures manipulating the form input
                   4375:     # won't allow anyone to reach states they shouldn't have permission
                   4376:     # to reach.
                   4377: 
                   4378:     # printChoices is tracking the kind of printing the user can
                   4379:     # do, and will be used in a choices construction later.
                   4380:     # In the meantime we will be adding states and elements to
                   4381:     # the helper by hand.
                   4382:     my $printChoices = [];
                   4383:     my $paramHash;
1.130     sakharuk 4384: 
1.589     foxr     4385:     # If there is a current resource and it is printable
                   4386:     # Give that as a choice.
                   4387: 
                   4388:     if ($resourceTitle && $res_printable) {
1.458     www      4389:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.699     raeburn  4390:     }
1.156     bowersj2 4391: 
1.238     bowersj2 4392:     # Useful filter strings
1.589     foxr     4393: 
                   4394:     my $isPrintable = ' && $res->resprintable()';
                   4395: 
1.590     foxr     4396:     my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
1.589     foxr     4397:     $isProblem .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4398:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4399:     my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                   4400:     $isProblemOrMap .= $isPrintable unless $userCanPrint;
                   4401:     my $isNotMap = '(!$res->is_sequence())';
                   4402:     $isNotMap .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4403:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4404:     my $isMap = '$res->is_map()';
                   4405:     $isMap .= $isPrintable unless $userCanPrint;
                   4406:     my $symbFilter = '$res->shown_symb() ';
1.342     albertel 4407:     my $urlValue = '$res->link()';
1.238     bowersj2 4408: 
                   4409:     $helper->declareVar('SEQUENCE');
                   4410: 
1.465     albertel 4411:     # If we're in a sequence...
1.416     foxr     4412: 
1.465     albertel 4413:     my $start_new_option;
                   4414:     if ($perm{'pav'}) {
1.699     raeburn  4415: 	$start_new_option =
1.634     bisitz   4416: 	    "<option text='".&mt('Start new page[_1]before selected','<br />').
1.569     foxr     4417: 	    "' variable='FINISHPAGE' />".
1.634     bisitz   4418: 	    "<option text='".&mt('Extra space[_1]before selected','<br />').
1.569     foxr     4419: 	    "' variable='EXTRASPACE' type='text' />" .
                   4420: 	    "<option " .
1.570     foxr     4421: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
1.634     bisitz   4422: 	    "<option text='".&mt('Space units[_1]check for mm','<br />').
1.570     foxr     4423: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   4424: 	    ;
1.465     albertel 4425:     }
1.238     bowersj2 4426: 
1.562     foxr     4427:     # If not construction space user can print the components of a page:
                   4428: 
                   4429:     my $page_ispage;
                   4430:     my $page_title;
                   4431:     if (!$helper->{VARS}->{'construction'}) {
                   4432: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   4433: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   4434: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     4435: 	if (defined($page_navmap)) {
                   4436: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   4437: 	    if(defined($page_resources[0])) {
                   4438: 		$page_ispage       = $page_resources[0]->is_page();
                   4439: 		$page_title     = $page_resources[0]->title();
                   4440: 		my $resourcesymb   = $page_resources[0]->symb();
                   4441: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   4442: 		if ($page_ispage) {
1.699     raeburn  4443: 		    push @{$printChoices},
                   4444: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
                   4445: 		     'map_problems_in_page',
1.563     foxr     4446: 		     'CHOOSE_PROBLEMS_PAGE'];
1.699     raeburn  4447: 		    push @{$printChoices},
                   4448: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'),
                   4449: 		     'map_resources_in_page',
1.563     foxr     4450: 		     'CHOOSE_RESOURCES_PAGE'];
                   4451: 		}
1.562     foxr     4452:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   4453: 							'Select Problem(s) to print',
1.661     raeburn  4454: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1' modallink='1'",
1.562     foxr     4455: 							'RESOURCES',
                   4456: 							'PAGESIZE',
                   4457: 							$url,
                   4458: 							$isProblem, '',  $symbFilter,
                   4459: 							$start_new_option);
                   4460: 
                   4461: 
                   4462:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   4463: 						    'Select Resource(s) to print',
1.679     raeburn  4464: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" suppressNavmap="1"',
1.562     foxr     4465: 						    'RESOURCES',
                   4466: 						    'PAGESIZE',
                   4467: 						    $url,
                   4468: 						    $isNotMap, '', $symbFilter,
                   4469: 						    $start_new_option);
                   4470: 
1.679     raeburn  4471: 
1.562     foxr     4472: 
                   4473: 
                   4474: 
                   4475: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4476: 	
1.563     foxr     4477: 	    }
                   4478: 	}
1.562     foxr     4479:     }
                   4480: 
                   4481:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 4482: 	$helper->{VARS}->{'postdata'} &&
                   4483: 	$helper->{VARS}->{'assignment'}) {
1.590     foxr     4484: 
                   4485: 	# BZ 5209 - Print incomplete problems from sequence:
                   4486: 	# the exact form of this depends on whether or not we are privileged or a mere
                   4487: 	# plebe of s student:
                   4488: 
1.679     raeburn  4489:         my $optionText    = '';
1.590     foxr     4490: 	my $printSelector = 'map_incomplete_problems_seq';
                   4491: 	my $nextState     = 'CHOOSE_INCOMPLETE_SEQ';
                   4492: 	my $textSuffix    = '';
1.679     raeburn  4493:         my $nocurrloc = '';
                   4494:         if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') {
                   4495:             $nocurrloc = 1;
                   4496:         }
1.590     foxr     4497: 
1.616     foxr     4498: 	if ($userCanPrint)  {
1.590     foxr     4499: 	    $printSelector = 'map_incomplete_problems_people_seq';
                   4500: 	    $nextState     = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
                   4501: 	    $textSuffix    = ' for selected students';
                   4502: 	    my $helperStates =
1.699     raeburn  4503: 		&create_incomplete_folder_selstud_helper($helper, $map, $nocurrloc);
1.590     foxr     4504: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4505: 	} else {
1.616     foxr     4506: 	    if (&printable($map_open, $map_close)) {
1.679     raeburn  4507: 		my $helperStates = &create_incomplete_folder_helper($helper, $map, $nocurrloc); # Create needed states for student.
1.616     foxr     4508: 		&Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4509: 	    } else {
                   4510: 		# TODO: Figure out how to break the news...this folder is not printable.
                   4511: 	    }
1.590     foxr     4512: 	}
                   4513: 
1.616     foxr     4514: 	if ($userCanPrint || &printable($map_open, $map_close)) {
1.679     raeburn  4515:             if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') {
                   4516:                 $optionText = &mt('Selected [_1]Incomplete Problems[_2] [_3]not in a folder[_4]' . $textSuffix,
                   4517:                                   '<b>','</b>','<i>','</i>');
                   4518:             } else {
1.686     raeburn  4519:                 $optionText = &mt('Selected [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
1.679     raeburn  4520:                                   '<b>','</b>','<b><i>'.$sequenceTitle.'</b></i>');
                   4521:             }
1.616     foxr     4522: 	    push(@{$printChoices},
1.679     raeburn  4523: 		 [$optionText,
1.616     foxr     4524: 		  $printSelector,
                   4525: 		  $nextState]);
                   4526: 	}
1.131     bowersj2 4527:         # Allow problems from sequence
1.616     foxr     4528: 	if ($userCanPrint || &printable($map_open, $map_close)) {
1.679     raeburn  4529:             if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') {
                   4530:                 $optionText = &mt('Selected [_1]Problems[_2] [_3]not in a folder[_4]','<b>','</b>','<i>','</i>');
                   4531:             } else {
                   4532:                 $optionText = &mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>');
                   4533:             }
1.699     raeburn  4534: 	    push @{$printChoices},
                   4535: 	    [$optionText,
                   4536: 	     'map_problems',
1.562     foxr     4537: 	     'CHOOSE_PROBLEMS'];
1.616     foxr     4538: 	    # Allow all resources from sequence
1.679     raeburn  4539:             if ($helper->{VARS}->{'postdata'} eq '/adm/navmaps') {
                   4540:                 $optionText = &mt('Selected [_1]Resources[_2] [_3]not in a folder[_4]','<b>','</b>','<i>','</i>');
                   4541:             } else {
                   4542:                 $optionText = &mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>');
                   4543:             }
1.699     raeburn  4544: 	    push @{$printChoices}, [$optionText,
                   4545: 				    'map_problems_pages',
1.616     foxr     4546: 				    'CHOOSE_PROBLEMS_HTML'];
                   4547: 	    my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   4548: 							    'Select Problem(s) to print',
1.679     raeburn  4549: 							    'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'"',
1.616     foxr     4550: 							    'RESOURCES',
                   4551: 							    'PAGESIZE',
                   4552: 							    $map,
1.621     foxr     4553: 							    $isProblem, '',
1.616     foxr     4554: 							    $symbFilter,
                   4555: 							    $start_new_option);
                   4556: 	    $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   4557: 							  'Select Resource(s) to print',
1.679     raeburn  4558: 							  'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1" nocurrloc="'.$nocurrloc.'" suppressNavmap="1"',
1.616     foxr     4559: 							  'RESOURCES',
                   4560: 							  'PAGESIZE',
                   4561: 							  $map,
                   4562: 							  $isNotMap, '',
                   4563: 							  $symbFilter,
                   4564: 							  $start_new_option);
1.699     raeburn  4565: 
1.616     foxr     4566: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4567: 	} else {
                   4568: 	    # TODO: Figure out how to tell them the folder is not printable.
                   4569: 	}
1.121     bowersj2 4570:     }
1.699     raeburn  4571: 	# If the user has pfo (print for others) allow them to print all
1.616     foxr     4572: 	# problems and resources  in the entire course, optionally for selected students
                   4573: 	my $post_data = $helper->{VARS}->{'postdata'};
1.699     raeburn  4574: 
1.483     foxr     4575:     if ($perm{'pfo'} &&  !$is_published  &&
1.679     raeburn  4576:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) {
1.481     albertel 4577: 
1.590     foxr     4578: 	# BZ 5209 - incomplete problems from entire course:
                   4579: 
                   4580: 	push(@{$printChoices},
1.683     raeburn  4581: 	     [&mt('Selected [_1]Incomplete Problems[_2] from [_3]entire course[_4] for [_5]selected people[_6]',
                   4582:               '<b>','</b>','<b>','</b>','<b>','</b>'),
1.590     foxr     4583: 	      'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
                   4584: 	my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
                   4585: 
                   4586: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4587: 
                   4588: 	#  Selected problems/resources from entire course:
                   4589: 
1.683     raeburn  4590:         push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from [_3]entire course[_4]','<b>','</b>','<b>','</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   4591: 	push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from [_3]entire course[_4]','<b>','</b>','<b>','</b>'), 'all_resources', 'ALL_RESOURCES'];
                   4592: 	push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from [_3]entire course[_4] for [_5]selected people[_6]','<b>','</b>','<b>','</b>','<b>','</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
1.562     foxr     4593: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     4594:   <state name="STUDENTS1" title="Select People">
                   4595:       <message><b>Select sorting order of printout</b> </message>
                   4596:     <choices variable='student_sort'>
                   4597:       <choice computer='0'>Sort by section then student</choice>
                   4598:       <choice computer='1'>Sort by students across sections.</choice>
                   4599:     </choices>
                   4600:       <message><br /><hr /><br /> </message>
                   4601:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   4602:   </state>
1.284     albertel 4603: ALL_PROBLEMS
1.699     raeburn  4604:          &Apache::lonxml::xmlparse($r, 'helper',
1.562     foxr     4605: 				   &generate_resource_chooser('ALL_PROBLEMS',
1.635     bisitz   4606: 							      'Select Problem(s) to print',
1.661     raeburn  4607: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
1.562     foxr     4608: 							      'RESOURCES',
                   4609: 							      'PAGESIZE',
                   4610: 							      '',
                   4611: 							      $isProblemOrMap, $isNotMap,
                   4612: 							      $symbFilter,
                   4613: 							      $start_new_option) .
                   4614: 				   &generate_resource_chooser('ALL_RESOURCES',
                   4615: 							      'Select Resource(s) to print',
1.679     raeburn  4616: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1" suppressNavmap="1"',
1.562     foxr     4617: 							      'RESOURCES',
                   4618: 							      'PAGESIZE',
                   4619: 							      '',
                   4620: 							      $isNotMap,'',$symbFilter,
                   4621: 							      $start_new_option) .
                   4622: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   4623: 							      'Select Problem(s) to print',
1.661     raeburn  4624: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
1.562     foxr     4625: 							      'RESOURCES',
                   4626: 							      'STUDENTS1',
                   4627: 							      '',
                   4628: 							      $isProblemOrMap,'' , $symbFilter,
                   4629: 							      $start_new_option) .
                   4630: 				     $suffixXml
                   4631: 				   );
1.132     bowersj2 4632: 
1.284     albertel 4633: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     4634: 
                   4635: 	    # If we were looking at a page, allow a selection of problems from the page
                   4636: 	    # either for selected students or for coded assignments.
                   4637: 
                   4638: 	    if ($page_ispage) {
                   4639: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   4640: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4641: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   4642: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   4643: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4644: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   4645: 	    }
                   4646: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
1.699     raeburn  4647: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
1.562     foxr     4648: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   4649: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
1.699     raeburn  4650: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'),
1.562     foxr     4651: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 4652: 	}
1.424     foxr     4653: 
1.679     raeburn  4654:         my ($randomly_ordered_warning,$codechoice,$code_selection,$namechoice) =
                   4655:             &generate_common_choosers($r,$helper,$map,$url,$isProblem,$symbFilter,$start_new_option);
1.272     sakharuk 4656: 
1.254     sakharuk 4657: 	if ($helper->{VARS}->{'assignment'}) {
1.590     foxr     4658: 
                   4659: 	    # Assignment printing:
                   4660: 
1.546     bisitz   4661: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3] for [_4]selected people[_5]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 'resources_for_students', 'CHOOSE_STUDENTS1'];
                   4662: 	    push @{$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 4663: 	}
1.284     albertel 4664: 
1.679     raeburn  4665:         # resource_selector will hold a few states that:
                   4666:         #   - Allow resources to be selected for printing.
                   4667:         #   - Determine pagination between assignments.
                   4668:         #   - Determine how many assignments should be bundled into a single PDF.
                   4669:         # TODO:
                   4670:         #    Probably good to do things like separate this up into several vars, each
                   4671:         #    with one state, and use REGEXPs at inclusion time to set state names
                   4672:         #    and next states for better mix and match capability
                   4673:         #
                   4674: 
                   4675: 	my $resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     4676:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 4677:     $randomly_ordered_warning
1.424     foxr     4678:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 4679:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.699     raeburn  4680:     <resource variable="RESOURCES" multichoice="1" addstatus="1"
1.661     raeburn  4681:               closeallpages="1" modallink="1">
1.254     sakharuk 4682:       <filterfunc>return $isNotMap;</filterfunc>
                   4683:       <mapurl>$map</mapurl>
                   4684:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4685:       $start_new_option
1.254     sakharuk 4686:       </resource>
1.424     foxr     4687:     </state>
1.284     albertel 4688: RESOURCE_SELECTOR
                   4689: 
1.586     raeburn  4690:         $resource_selector .= &generate_format_selector($helper,
                   4691:                                                         'Format of the print job',
1.598     raeburn  4692:                                                         'PRINT_FORMATTING');
1.284     albertel 4693: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   4694:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     4695:     <choices variable='student_sort'>
                   4696:       <choice computer='0'>Sort by section then student</choice>
                   4697:       <choice computer='1'>Sort by students across sections.</choice>
                   4698:     </choices>
1.437     foxr     4699:     <message><br /><hr /><br /></message>
1.426     foxr     4700:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     4701: 
1.424     foxr     4702:     </state>
1.284     albertel 4703:     $resource_selector
1.254     sakharuk 4704: CHOOSE_STUDENTS1
                   4705: 
1.284     albertel 4706: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 4707:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     4708:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 4709:     <message><h4>Fill out one of the forms below</h4></message>
                   4710:     <message><br /><hr /> <br /></message>
                   4711:     <message><h3>Generate new CODEd Assignments</h3></message>
                   4712:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     4713:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 4714:        <validator>
                   4715: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     4716: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     4717: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   4718: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 4719: 	    return "You need to specify the number of assignments to print";
                   4720: 	}
1.578     foxr     4721:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   4722:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   4723:             return 'Specifying number of codes to print and a specific code is not compatible';
                   4724:         }
1.362     albertel 4725: 	return undef;
                   4726:        </validator>
                   4727:     </string>
                   4728:     <message></td></tr><tr><td></message>
1.501     albertel 4729:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 4730:     <message></td><td></message>
                   4731:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   4732:     <message></td></tr><tr><td></message>
1.599     raeburn  4733:     <message><b>Bubblesheet type:</b></message>
1.412     albertel 4734:     <message></td><td></message>
                   4735:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   4736:     $codechoice
                   4737:     </dropdown>
1.472     albertel 4738:     <message></td></tr><tr><td></table></message>
                   4739:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   4740:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 4741:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     4742:         <validator>
                   4743: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     4744: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   4745: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     4746: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   4747: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     4748: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     4749: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     4750: 	   } else {
                   4751: 	       return undef;	# Other forces control us.
                   4752: 	   }
                   4753:         </validator>
                   4754:     </string>
1.472     albertel 4755:     <message></td></tr><tr><td></message>
1.432     albertel 4756:         $code_selection
1.472     albertel 4757:     <message></td></tr></table></message>
                   4758:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   4759:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 4760:     <message></td><td></message>
1.294     albertel 4761:     <dropdown variable="REUSE_OLD_CODES">
                   4762:         $namechoice
                   4763:     </dropdown>
1.412     albertel 4764:     <message></td></tr></table></message>
1.424     foxr     4765:   </state>
1.284     albertel 4766:     $resource_selector
                   4767: CHOOSE_ANON2
1.481     albertel 4768:     }
                   4769: 
1.121     bowersj2 4770:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     4771:     if (($perm{'pav'} 
1.679     raeburn  4772:         && ($subdir ne '') 
1.482     albertel 4773: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   4774: 	&& (defined($helper->{'VARS'}->{'construction'})
                   4775: 	    ||
                   4776: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   4777: 	     && 
                   4778: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     4779: 	    )) 
                   4780: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 4781: 	) {
                   4782: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   4783:         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 4784:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 4785:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      4786: 
1.138     bowersj2 4787:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 4788:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 4789:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 4790: CHOOSE_FROM_SUBDIR
1.699     raeburn  4791: 
1.238     bowersj2 4792:         # this is broken up because I really want interpolation above,
                   4793:         # and I really DON'T want it below
1.139     bowersj2 4794:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 4795:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   4796: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 4797:       </filefilter>
1.138     bowersj2 4798:       </files>
1.131     bowersj2 4799:     </state>
                   4800: CHOOSE_FROM_SUBDIR
1.139     bowersj2 4801:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 4802:     }
1.238     bowersj2 4803: 
                   4804:     # Allow the user to select any sequence in the course, feed it to
                   4805:     # another resource selector for that sequence
1.679     raeburn  4806:     if ((!$helper->{VARS}->{'construction'}) &&
                   4807:         (!$is_published || (($subdir eq '') && ($url eq '/adm/navmaps')))) {
1.681     raeburn  4808:         push(@$printChoices,[&mt('Selected [_1]Resources[_2] from [_3]selected folder[_4] in course',
                   4809:                                  '<b>','</b>','<b>','</b>'),
1.682     raeburn  4810:                              'select_sequences','CHOOSE_SEQUENCE']);
1.679     raeburn  4811:         my $escapedSequenceName;
                   4812:         if ($helper->{VARS}->{'SEQUENCE'} ne '') {
                   4813:             $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   4814:         } elsif (($subdir eq '') && ($url eq '/adm/navmaps')) {
                   4815:             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4816:             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   4817:             if ($env{'course.'.$env{'request.course.id'}.'.url'} eq
                   4818:                 "uploaded/$cdom/$cnum/default.sequence") {
                   4819:                 $escapedSequenceName = $env{'course.'.$env{'request.course.id'}.'.url'};
                   4820:             }
                   4821:         }
                   4822:         #Escape apostrophes and backslashes for Perl
                   4823:         $escapedSequenceName =~ s/\\/\\\\/g;
                   4824:         $escapedSequenceName =~ s/'/\\'/g;
1.682     raeburn  4825:         my $nocurrloc;
1.679     raeburn  4826:         if (($subdir eq '') && ($url eq '/adm/navmaps')) {
1.682     raeburn  4827:             $nocurrloc = 'nocurrloc="1"';
1.680     raeburn  4828:             if ($perm{'pfo'}) {
1.679     raeburn  4829:                 push(@{$printChoices},
                   4830:                     [&mt('Selected [_1]Problems[_2] from [_3]selected folder[_4] in course for [_5]selected people[_6]',
                   4831:                          '<b>','</b>','<b>','</b>','<b>','</b>'),
                   4832:                          'select_sequences_problems_for_students','CHOOSE_SEQUENCE_STUDENTS'],
                   4833:                     [&mt('Selected [_1]Problems[_2] from [_3]selected folder[_4] in course  for [_5]CODEd assignments[_6]',
                   4834:                          '<b>','</b>','<b>','</b>','<b>','</b>'),
                   4835:                          'select_sequences_problems_for_anon','CHOOSE_SEQUENCE_ANON1'],
                   4836:                     [&mt('Selected [_1]Resources[_2] from [_3]selected folder[_4] in course for [_5]selected people[_6]',
                   4837:                          '<b>','</b>','<b>','</b>','<b>','</b>'),
                   4838:                          'select_sequences_resources_for_students','CHOOSE_SEQUENCE_STUDENTS1'],
                   4839:                     [&mt('Selected [_1]Resources[_2] from [_3]selected folder[_4] in course for [_5]CODEd assignments[_6]',
                   4840:                          '<b>','</b>','<b>','</b>','<b>','</b>'),
1.681     raeburn  4841:                          'select_sequences_resources_for_anon','CHOOSE_SEQUENCE_ANON2']);
1.679     raeburn  4842:                 if ($escapedSequenceName) {
1.691     raeburn  4843:                     my ($randomly_ordered_warning,$codechoice,$code_selection,$namechoice) =
                   4844:                         &generate_common_choosers($r,$helper,$escapedSequenceName,$escapedSequenceName,
                   4845:                                                   $isProblem,$symbFilter,$start_new_option);
                   4846: 
1.693     raeburn  4847:                     my $resource_selector = <<RESOURCE_SELECTOR;
1.691     raeburn  4848:   <state name="CHOOSE_STUDENTS2" title="Select Students and Resources">
                   4849:     <choices variable='student_sort'>
                   4850:       <choice computer='0'>Sort by section then student</choice>
                   4851:       <choice computer='1'>Sort by students across sections.</choice>
                   4852:     </choices>
                   4853:     <message><br /><hr /><br /></message>
                   4854:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
                   4855: 
                   4856:     </state>
                   4857:     <state name="SELECT_RESOURCES" title="Select Resources">
                   4858:     $randomly_ordered_warning
                   4859:     <nextstate>PRINT_FORMATTING</nextstate>
                   4860:     <message>(mark desired resources then click "next" button) <br /></message>
                   4861:     <resource variable="RESOURCES" multichoice="1" addstatus="1"
1.694     raeburn  4862:               closeallpages="1" modallink="1" suppressNavmap="1" $nocurrloc>
1.691     raeburn  4863:       <filterfunc>return $isNotMap;</filterfunc>
1.694     raeburn  4864:       <mapurl>$escapedSequenceName</mapurl>
1.691     raeburn  4865:       <valuefunc>return $symbFilter;</valuefunc>
                   4866:       $start_new_option
                   4867:       </resource>
                   4868:     </state>
                   4869: RESOURCE_SELECTOR
                   4870: 
                   4871:                     my $anon3 = &generate_code_selector($helper,
                   4872:                                                         'CHOOSE_ANON3',
                   4873:                                                         'SELECT_RESOURCES',
                   4874:                                                         $codechoice,
                   4875:                                                         $code_selection,
                   4876:                                                         $namechoice) . $resource_selector;
                   4877: 
                   4878:                     &Apache::lonxml::xmlparse($r, 'helper',$anon3);
1.679     raeburn  4879:                 }
                   4880:             }
                   4881:         }
                   4882:         if (($subdir eq '') && ($url eq '/adm/navmaps') && ($perm{'pfo'})) {
1.691     raeburn  4883:             &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.679     raeburn  4884:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   4885:     <message>Select the sequence to print resources from:</message>
                   4886:     <resource variable="SEQUENCE">
                   4887:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   4888:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
                   4889:       <valuefunc>return $urlValue;</valuefunc>
                   4890:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   4891:         </choicefunc>
                   4892:       </resource>
                   4893:     </state>
                   4894:   <state name="CHOOSE_SEQUENCE_STUDENTS" title="Select Sequence To Print From">
                   4895:     <message>Select the sequence to print resources from:</message>
                   4896:     <resource variable="SEQUENCE">
                   4897:       <nextstate>CHOOSE_STUDENTS</nextstate>
                   4898:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
                   4899:       <valuefunc>return $urlValue;</valuefunc>
                   4900:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   4901:         </choicefunc>
                   4902:       </resource>
                   4903:     </state>
                   4904:   <state name="CHOOSE_SEQUENCE_ANON1" title="Select Sequence To Print From">
                   4905:     <message>Select the sequence to print resources from:</message>
                   4906:     <resource variable="SEQUENCE">
                   4907:       <nextstate>CHOOSE_ANON1</nextstate>
                   4908:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
                   4909:       <valuefunc>return $urlValue;</valuefunc>
                   4910:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   4911:         </choicefunc>
                   4912:       </resource>
                   4913:     </state>
                   4914:   <state name="CHOOSE_SEQUENCE_STUDENTS1" title="Select Sequence To Print From">
                   4915:     <message>Select the sequence to print resources from:</message>
                   4916:     <resource variable="SEQUENCE">
1.691     raeburn  4917:       <nextstate>CHOOSE_STUDENTS2</nextstate>
1.679     raeburn  4918:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
                   4919:       <valuefunc>return $urlValue;</valuefunc>
                   4920:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   4921:         </choicefunc>
                   4922:       </resource>
                   4923:     </state>
                   4924:   <state name="CHOOSE_SEQUENCE_ANON2" title="Select Sequence To Print From">
                   4925:     <message>Select the sequence to print resources from:</message>
                   4926:     <resource variable="SEQUENCE">
1.691     raeburn  4927:       <nextstate>CHOOSE_ANON3</nextstate>
1.679     raeburn  4928:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
                   4929:       <valuefunc>return $urlValue;</valuefunc>
                   4930:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
                   4931:         </choicefunc>
                   4932:       </resource>
                   4933:     </state>
                   4934:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   4935:     <message>(mark desired resources then click "next" button) <br /></message>
                   4936:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.684     raeburn  4937:               closeallpages="1" modallink="1" suppressNavmap="1" $nocurrloc>
1.679     raeburn  4938:       <nextstate>PAGESIZE</nextstate>
                   4939:       <filterfunc>return $isNotMap</filterfunc>
                   4940:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
                   4941:       <valuefunc>return $symbFilter;</valuefunc>
                   4942:       $start_new_option
                   4943:       </resource>
                   4944:     </state>
                   4945: CHOOSE_FROM_ANY_SEQUENCE
                   4946:         } else {
                   4947: 	    &Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 4948:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   4949:     <message>Select the sequence to print resources from:</message>
                   4950:     <resource variable="SEQUENCE">
                   4951:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1.616     foxr     4952:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
1.238     bowersj2 4953:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     4954:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     4955: 	</choicefunc>
1.238     bowersj2 4956:       </resource>
                   4957:     </state>
                   4958:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   4959:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     4960:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.684     raeburn  4961:               closeallpages="1" modallink="1" suppressNavmap="1" $nocurrloc>
1.238     bowersj2 4962:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 4963:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 4964:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 4965:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4966:       $start_new_option
1.238     bowersj2 4967:       </resource>
                   4968:     </state>
                   4969: CHOOSE_FROM_ANY_SEQUENCE
1.679     raeburn  4970:         }
                   4971:     }
1.664     raeburn  4972:     my $numchoices = 0;
                   4973:     if (ref($printChoices) eq 'ARRAY') {
                   4974:         $numchoices = @{$printChoices};
                   4975:     }
                   4976:     # Early out if nothing to print
                   4977:     if (!$numchoices) {
                   4978:         $r->print(&Apache::loncommon::start_page('Printing Helper').
                   4979:                   '<h2>'.&mt('Unable to determine print context').'</h2>'.
                   4980:                   '<p>'.&mt('Please display a resource, and then click the "Print" button/icon').'</p>');
                   4981:         my $prtspool=$r->dir_config('lonPrtDir');
                   4982:         my $footer = &recently_generated($prtspool);
                   4983:         $r->print($footer.&Apache::loncommon::end_page());
                   4984:         return OK;
                   4985:     }
                   4986: 
1.131     bowersj2 4987:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 4988:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.615     foxr     4989:     if (!$res_printable) {
1.638     raeburn  4990:         my $noprintmsg;
1.663     raeburn  4991:         if ($res_error) {
                   4992:             $noprintmsg = &mt('Print availability for current resource could not be determined');
                   4993:         } else {
                   4994:             my $now = time;
                   4995:             my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate);
                   4996:             my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate);
                   4997:             if (($res_printenddate) && ($res_printenddate < $now)) {
1.638     raeburn  4998:                 $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])',
                   4999:                                   $shownprintend);
1.663     raeburn  5000:             } else {
                   5001:                 if (($res_printstartdate) && ($res_printstartdate > $now)) {
                   5002:                     if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) {
                   5003:                         $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]',
                   5004:                                           $shownprintstart,$shownprintend);
                   5005:                     } elsif (!$res_printenddate) {
                   5006:                         $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]',
                   5007:                                           $shownprintstart);
                   5008:                     } else {
                   5009:                         $noprintmsg = &mt('Printing for current resource is unavailable');
                   5010:                     }
1.638     raeburn  5011:                 }
                   5012:             }
                   5013:         }
                   5014: 
                   5015:         if ($noprintmsg) {
                   5016:             $paramHash = Apache::lonhelper::getParamHash();
1.699     raeburn  5017: 	    $paramHash->{MESSAGE_TEXT} =
1.638     raeburn  5018:                 '<p class="LC_info">'.$noprintmsg.'</p>';
                   5019: 	    Apache::lonhelper::message->new();
                   5020:         }
1.615     foxr     5021:     }
                   5022:     $paramHash = Apache::lonhelper::getParamHash();
1.131     bowersj2 5023:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 5024:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 5025:     Apache::lonhelper::message->new();
                   5026:     $paramHash = Apache::lonhelper::getParamHash();
                   5027:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   5028:     $paramHash->{CHOICES} = $printChoices;
                   5029:     Apache::lonhelper::choices->new();
1.161     bowersj2 5030: 
1.223     bowersj2 5031:     my $startedTable = 0; # have we started an HTML table yet? (need
                   5032:                           # to close it later)
                   5033: 
1.585     raeburn  5034:     if (($perm{'pav'} and $perm{'vgr'}) or 
1.170     sakharuk 5035: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   5036: 	&addMessage('<br />'
                   5037:                    .'<h3>'.&mt('Print Options').'</h3>'
                   5038:                    .&Apache::lonhtmlcommon::start_pick_box()
                   5039:                    .&Apache::lonhtmlcommon::row_title(
                   5040:                        '<label for="ANSWER_TYPE_forminput">'
                   5041:                       .&mt('Print Answers')
                   5042:                       .'</label>'
                   5043:                     )
                   5044:         );
1.161     bowersj2 5045:         $paramHash = Apache::lonhelper::getParamHash();
1.699     raeburn  5046: 	$paramHash->{'variable'} = 'ANSWER_TYPE';
                   5047: 	$helper->declareVar('ANSWER_TYPE');
1.161     bowersj2 5048:         $paramHash->{CHOICES} = [
1.242     sakharuk 5049:                                    ['Without Answers', 'yes'],
                   5050:                                    ['With Answers', 'no'],
1.368     albertel 5051:                                    ['Only Answers', 'only']
1.289     sakharuk 5052:                                 ];
1.210     sakharuk 5053:         Apache::lonhelper::dropdown->new();
1.544     bisitz   5054: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 5055: 	$startedTable = 1;
1.556     foxr     5056: 
                   5057: #
                   5058: #  Select font size.
                   5059: #
                   5060: 
                   5061:             $helper->declareVar('fontsize');
                   5062:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   5063:             my $xmlfrag = << "FONT_SELECTION";
                   5064: 
1.699     raeburn  5065: 
1.669     raeburn  5066:             <dropdown variable='fontsize' multichoice='0' allowempty='0'>
1.556     foxr     5067:             <defaultvalue>
                   5068: 		  return 'normalsize';
                   5069:             </defaultvalue>
                   5070:             <choice computer='tiny'>Tiny</choice>
                   5071:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   5072:             <choice computer='footnotesize'>Footnote Size</choice>
                   5073:             <choice computer='small'>Small</choice>
                   5074:             <choice computer='normalsize'>Normal (default)</choice>
                   5075:             <choice computer='large'>larger than normal</choice>
                   5076:             <choice computer='Large'>Even larger than normal</choice>
                   5077:             <choice computer='LARGE'>Still larger than normal</choice>
                   5078:             <choice computer='huge'>huge font size</choice>
                   5079:             <choice computer='Huge'>Largest possible size</choice>
                   5080:             </dropdown>
                   5081: FONT_SELECTION
                   5082:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   5083:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 5084:     }
1.209     sakharuk 5085: 
1.397     albertel 5086:     if ($perm{'pav'}) {
1.223     bowersj2 5087: 	if (!$startedTable) {
1.497     www      5088: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   5089:                        '<label for="LATEX_TYPE_forminput">'.
                   5090:                        &mt('LaTeX mode').
                   5091:                        "</label>: </td><td>");
1.223     bowersj2 5092: 	    $startedTable = 1;
                   5093: 	} else {
1.544     bisitz   5094: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   5095:                            '<label for="LATEX_TYPE_forminput">'
                   5096:                            .&mt('LaTeX mode')
                   5097:                            .'</label>'
                   5098:                         )
                   5099:             );
1.223     bowersj2 5100: 	}
1.203     sakharuk 5101:         $paramHash = Apache::lonhelper::getParamHash();
1.699     raeburn  5102: 	$paramHash->{'variable'} = 'LATEX_TYPE';
                   5103: 	$helper->declareVar('LATEX_TYPE');
                   5104: 	if ($helper->{VARS}->{'construction'} eq '1') {
1.203     sakharuk 5105: 	    $paramHash->{CHOICES} = [
1.699     raeburn  5106: 				     ['standard LaTeX mode', 'standard'],
1.223     bowersj2 5107: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 5108: 	} else {
                   5109: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 5110: 				     ['LaTeX batchmode', 'batchmode'],
                   5111: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 5112: 	}
1.210     sakharuk 5113:         Apache::lonhelper::dropdown->new();
1.699     raeburn  5114: 
1.544     bisitz   5115: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   5116:                    .&Apache::lonhtmlcommon::row_title(
                   5117:                         '<label for="TABLE_CONTENTS_forminput">'
                   5118:                        .&mt('Print Table of Contents')
                   5119:                        .'</label>'
                   5120:                     )
                   5121:         );
1.209     sakharuk 5122:         $paramHash = Apache::lonhelper::getParamHash();
1.699     raeburn  5123: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';
                   5124: 	$helper->declareVar('TABLE_CONTENTS');
1.209     sakharuk 5125:         $paramHash->{CHOICES} = [
1.223     bowersj2 5126:                                    ['No', 'no'],
                   5127:                                    ['Yes', 'yes'] ];
1.210     sakharuk 5128:         Apache::lonhelper::dropdown->new();
1.544     bisitz   5129: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.699     raeburn  5130: 
1.220     sakharuk 5131: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   5132: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   5133:                             '<label for="TABLE_INDEX_forminput">'
                   5134:                            .&mt('Print Index')
                   5135:                            .'</label>'
                   5136:                         )
                   5137:             );
1.220     sakharuk 5138: 	    $paramHash = Apache::lonhelper::getParamHash();
1.699     raeburn  5139: 	    $paramHash->{'variable'} = 'TABLE_INDEX';
                   5140: 	    $helper->declareVar('TABLE_INDEX');
1.220     sakharuk 5141: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 5142: 				     ['No', 'no'],
                   5143: 				     ['Yes', 'yes'] ];
1.220     sakharuk 5144: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   5145:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   5146:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   5147:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   5148:                            .&mt('Print Discussions')
                   5149:                            .'</label>'
                   5150:                         )
                   5151:             );
1.309     sakharuk 5152: 	    $paramHash = Apache::lonhelper::getParamHash();
1.699     raeburn  5153: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';
                   5154: 	    $helper->declareVar('PRINT_DISCUSSIONS');
1.309     sakharuk 5155: 	    $paramHash->{CHOICES} = [
                   5156: 				     ['No', 'no'],
                   5157: 				     ['Yes', 'yes'] ];
                   5158: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   5159:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     5160: 
1.511     foxr     5161: 	    # Prompt for printing annotations too.
                   5162: 		
1.545     bisitz   5163: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   5164:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   5165:                            .&mt('Print Annotations')
                   5166:                            .'</label>'
                   5167:                         )
                   5168:             );
1.511     foxr     5169: 	    $paramHash = Apache::lonhelper::getParamHash();
                   5170: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   5171: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   5172: 	    $paramHash->{CHOICES} = [
                   5173: 				     ['No', 'no'],
                   5174: 				     ['Yes', 'yes']];
                   5175: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   5176:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     5177: 
1.545     bisitz   5178:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 5179: 	    $paramHash = Apache::lonhelper::getParamHash();
                   5180: 	    $paramHash->{'multichoice'} = "true";
                   5181: 	    $paramHash->{'allowempty'}  = "true";
                   5182: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   5183: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 5184: 	    Apache::lonhelper::choices->new();
1.545     bisitz   5185:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 5186: 	}
1.219     sakharuk 5187: 
1.699     raeburn  5188: 	if ($helper->{'VARS'}->{'construction'}) {
1.505     albertel 5189: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      5190:             my $randseedtext=&mt("Use random seed");
                   5191:             my $stylefiletext=&mt("Use style file");
1.506     albertel 5192:             my $selectfiletext=&mt("Select style file");
1.497     www      5193: 
1.544     bisitz   5194: 	    my $xmlfrag .= '<message>'
                   5195:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   5196:                                               .$randseedtext
                   5197:                                               .'</label>'
                   5198:              )
                   5199:             .'</message>
                   5200:             <string variable="curseed" size="15" maxlength="15">
                   5201:                 <defaultvalue>
                   5202:                    return '.$helper->{VARS}->{'curseed'}.';
                   5203:                 </defaultvalue>'
                   5204:             .'</string>'
                   5205:             .'<message>'
                   5206:             .&Apache::lonhtmlcommon::row_closure()
                   5207:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   5208:                                               .$stylefiletext
                   5209:                                               .'</label>'
                   5210:              )
                   5211:             .'</message>
1.504     albertel 5212:              <string variable="style_file" size="40">
1.544     bisitz   5213:                 <defaultvalue>
                   5214:                     return '.$stylevalue.';
                   5215:                 </defaultvalue>
                   5216:              </string><message>&nbsp;'
                   5217: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   5218: .$selectfiletext.'</a>'
                   5219:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   5220:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   5221:             .'</message>
1.371     foxr     5222: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   5223:                 <choice computer="1">&nbsp;</choice>
                   5224:              </choices>'
                   5225: 	    .'<message>'
                   5226:             .&Apache::lonhtmlcommon::row_closure()
                   5227:             .'</message>';
1.230     albertel 5228:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     5229: 
                   5230: 
1.544     bisitz   5231:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     5232: 	    #
                   5233: 	    # Initial value from construction space:
                   5234: 	    #
                   5235: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   5236: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   5237: 	    }
1.518     foxr     5238: 	    $xmlfrag = << "PROBTYPE";
                   5239: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   5240: 		   <defaultvalue>
                   5241: 		      return "$helper->{VARS}->{'probstatus'}";
                   5242:                    </defaultvalue>
                   5243: 		   <choice computer="problem">Homework Problem</choice>
1.628     bisitz   5244: 		   <choice computer="exam">Bubblesheet Exam Problem</choice>
1.518     foxr     5245: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  5246:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     5247: 		</dropdown>
                   5248: PROBTYPE
                   5249:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   5250:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     5251: 
1.556     foxr     5252: 
                   5253: 
1.544     bisitz   5254:         }
1.223     bowersj2 5255:     }
1.264     sakharuk 5256: 
                   5257: 
                   5258: 
1.218     sakharuk 5259: 
1.223     bowersj2 5260:     if ($startedTable) {
1.544     bisitz   5261:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 5262:     }
1.161     bowersj2 5263: 
1.131     bowersj2 5264:     Apache::lonprintout::page_format_state->new("FORMAT");
                   5265: 
1.144     bowersj2 5266:     # Generate the PAGESIZE state which will offer the user the margin
                   5267:     # choices if they select one column
                   5268:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   5269:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   5270: 
                   5271: 
1.131     bowersj2 5272:     $helper->process();
                   5273: 
1.416     foxr     5274: 
1.131     bowersj2 5275:     # MANUAL BAILOUT CONDITION:
                   5276:     # If we're in the "final" state, bailout and return to handler
                   5277:     if ($helper->{STATE} eq 'FINAL') {
                   5278:         return $helper;
1.699     raeburn  5279:     }
1.130     sakharuk 5280: 
1.584     raeburn  5281:     my $footer;
1.395     www      5282:     if ($helper->{STATE} eq 'START') {
1.699     raeburn  5283:         my $prtspool=$r->dir_config('lonPrtDir');
1.584     raeburn  5284: 	$footer = &recently_generated($prtspool);
1.395     www      5285:     }
1.584     raeburn  5286:     $r->print($helper->display($footer));
1.333     albertel 5287:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 5288: 
                   5289:     return OK;
                   5290: }
                   5291: 
1.1       www      5292: 
                   5293: 1;
1.119     bowersj2 5294: 
                   5295: package Apache::lonprintout::page_format_state;
                   5296: 
                   5297: =pod
                   5298: 
1.131     bowersj2 5299: =head1 Helper element: page_format_state
                   5300: 
                   5301: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 5302: 
1.699     raeburn  5303: Apache::lonprintout::page_format_state is an element that gives the
                   5304: user an opportunity to select the page layout they wish to print
                   5305: with: Number of columns, portrait/landscape, and paper size. If you
                   5306: want to change the paper size choices, change the @paperSize array
1.131     bowersj2 5307: contents in this package.
1.119     bowersj2 5308: 
1.131     bowersj2 5309: page_format_state is always directly invoked in lonprintout.pm, so there
                   5310: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 5311: 
                   5312: =over 4
                   5313: 
1.131     bowersj2 5314: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 5315: 
                   5316: =back
                   5317: 
                   5318: =cut
                   5319: 
1.131     bowersj2 5320: use Apache::lonhelper;
1.119     bowersj2 5321: 
                   5322: no strict;
1.131     bowersj2 5323: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 5324: use strict;
1.266     sakharuk 5325: use Apache::lonlocal;
1.373     albertel 5326: use Apache::lonnet;
1.119     bowersj2 5327: 
                   5328: my $maxColumns = 2;
1.376     albertel 5329: # it'd be nice if these all worked
1.699     raeburn  5330: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
1.376     albertel 5331: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
1.699     raeburn  5332: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]",
1.376     albertel 5333: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.699     raeburn  5334: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]",
1.376     albertel 5335: 		 "a4 [210x297 mm]");
1.119     bowersj2 5336: 
                   5337: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   5338: #                   Paper type
                   5339: 
1.699     raeburn  5340: sub new {
1.131     bowersj2 5341:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 5342: 
1.135     bowersj2 5343:     shift;
                   5344: 
1.131     bowersj2 5345:     $self->{'variable'} = shift;
1.134     bowersj2 5346:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 5347:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 5348:     bless($self);
1.119     bowersj2 5349:     return $self;
                   5350: }
                   5351: 
                   5352: sub render {
                   5353:     my $self = shift;
1.131     bowersj2 5354:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 5355:     my $result = '';
1.131     bowersj2 5356:     my $var = $self->{'variable'};
1.266     sakharuk 5357:     my $PageLayout=&mt('Page layout');
                   5358:     my $NumberOfColumns=&mt('Number of columns');
                   5359:     my $PaperType=&mt('Paper type');
1.506     albertel 5360:     my $landscape=&mt('Landscape');
                   5361:     my $portrait=&mt('Portrait');
1.641     bisitz   5362:     my $pdfFormLabel=&mt('PDF Form Fields');
                   5363:     my $with=&mt('with Form Fields');
                   5364:     my $without=&mt('without Form Fields');
1.699     raeburn  5365: 
1.556     foxr     5366: 
1.544     bisitz   5367:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   5368:             .&Apache::loncommon::start_data_table()
                   5369:             .&Apache::loncommon::start_data_table_header_row()
                   5370:             .'<th>'.$PageLayout.'</th>'
                   5371:             .'<th>'.$NumberOfColumns.'</th>'
                   5372:             .'<th>'.$PaperType.'</th>'
                   5373:             .'<th>'.$pdfFormLabel.'</th>'
                   5374:             .&Apache::loncommon::end_data_table_header_row()
                   5375:             .&Apache::loncommon::start_data_table_row()
                   5376:     .'<td>'
                   5377:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   5378:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   5379:     .'</td>';
1.119     bowersj2 5380: 
1.544     bisitz   5381:     $result.='<td align="center">'
                   5382:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 5383: 
                   5384:     my $i;
                   5385:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 5386:         if ($i == 2) {
1.553     bisitz   5387:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 5388:         } else {
1.553     bisitz   5389:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 5390:         }
                   5391:     }
                   5392: 
                   5393:     $result .= "</select></td><td>\n";
                   5394:     $result .= "<select name='${var}.paper'>\n";
                   5395: 
1.373     albertel 5396:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 5397:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   5398:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 5399:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 5400:     $i = 0;
                   5401:     foreach (@paperSize) {
1.326     sakharuk 5402: 	$_=~/(\w+)/;
                   5403: 	my $papersize=$1;
1.304     sakharuk 5404:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   5405:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 5406:         } else {
1.553     bisitz   5407:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 5408:         }
                   5409:         $i++;
                   5410:     }
1.539     onken    5411:     $result .= <<HTML;
                   5412:         </select>
                   5413:     </td>
                   5414:     <td align='center'>
                   5415:         <select name='${var}.pdfFormFields'>
1.553     bisitz   5416:             <option selected="selected" value="no">$without</option>
                   5417:             <option value="yes">$with</option>
1.539     onken    5418:         </select>
                   5419:     </td>
                   5420: HTML
1.544     bisitz   5421:     $result.=&Apache::loncommon::end_data_table_row()
                   5422:             .&Apache::loncommon::end_data_table();
1.539     onken    5423: 
1.119     bowersj2 5424:     return $result;
1.135     bowersj2 5425: }
                   5426: 
                   5427: sub postprocess {
                   5428:     my $self = shift;
                   5429: 
                   5430:     my $var = $self->{'variable'};
1.136     bowersj2 5431:     my $helper = Apache::lonhelper->getHelper();
1.699     raeburn  5432:     $helper->{VARS}->{$var} =
1.373     albertel 5433:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    5434:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 5435:     return 1;
1.119     bowersj2 5436: }
                   5437: 
                   5438: 1;
1.144     bowersj2 5439: 
                   5440: package Apache::lonprintout::page_size_state;
                   5441: 
                   5442: =pod
                   5443: 
                   5444: =head1 Helper element: page_size_state
                   5445: 
                   5446: See lonhelper.pm documentation for discussion of the helper framework.
                   5447: 
1.699     raeburn  5448: Apache::lonprintout::page_size_state is an element that gives the
1.144     bowersj2 5449: user the opportunity to further refine the page settings if they
                   5450: select a single-column page.
                   5451: 
                   5452: page_size_state is always directly invoked in lonprintout.pm, so there
                   5453: is no tag interface. You actually pass parameters to the constructor.
                   5454: 
                   5455: =over 4
                   5456: 
                   5457: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   5458: 
                   5459: =back
                   5460: 
                   5461: =cut
                   5462: 
                   5463: use Apache::lonhelper;
1.373     albertel 5464: use Apache::lonnet;
1.144     bowersj2 5465: no strict;
                   5466: @ISA = ("Apache::lonhelper::element");
                   5467: use strict;
                   5468: 
                   5469: 
                   5470: 
1.699     raeburn  5471: sub new {
1.144     bowersj2 5472:     my $self = Apache::lonhelper::element->new();
                   5473: 
                   5474:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   5475:            # package descriptor)... - Jeremy
                   5476: 
                   5477:     $self->{'variable'} = shift;
                   5478:     my $helper = Apache::lonhelper::getHelper();
                   5479:     $helper->declareVar($self->{'variable'});
                   5480: 
1.699     raeburn  5481:     # The variable name of the format element, so we can look into
1.144     bowersj2 5482:     # $helper->{VARS} to figure out whether the columns are one or two
                   5483:     $self->{'formatvar'} = shift;
                   5484: 
1.463     foxr     5485: 
1.144     bowersj2 5486:     $self->{NEXTSTATE} = shift;
                   5487:     bless($self);
1.467     foxr     5488: 
1.144     bowersj2 5489:     return $self;
                   5490: }
                   5491: 
                   5492: sub render {
                   5493:     my $self = shift;
                   5494:     my $helper = Apache::lonhelper::getHelper();
                   5495:     my $result = '';
                   5496:     my $var = $self->{'variable'};
                   5497: 
1.467     foxr     5498: 
                   5499: 
1.144     bowersj2 5500:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 5501:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 5502:     }
                   5503: 
1.438     foxr     5504:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     5505: 
                   5506:     # Use format to get sensible defaults for the margins:
                   5507: 
                   5508: 
                   5509:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5510:     ($papersize)                      = split(/ /, $papersize);
                   5511: 
1.559     foxr     5512:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     5513: 
                   5514: 
                   5515: 
1.464     albertel 5516:     my %size;
                   5517:     ($size{'width_and_units'},
                   5518:      $size{'height_and_units'},
                   5519:      $size{'margin_and_units'})=
                   5520: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.699     raeburn  5521: 
1.464     albertel 5522:     foreach my $dimension ('width','height','margin') {
                   5523: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   5524: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   5525:        	
                   5526: 	foreach my $unit ('cm','in') {
                   5527: 	    $size{$dimension.'_options'} .= '<option ';
                   5528: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   5529: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   5530: 	    }
                   5531: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   5532: 	}
1.438     foxr     5533:     }
                   5534: 
1.470     foxr     5535:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   5536: 
                   5537:     if ($size{'margin_unit'} eq 'in') {
                   5538: 	$size{'margin'} += 1;
                   5539:     }  else {
                   5540: 	$size{'margin'} += 2.54;
                   5541:     }
1.548     bisitz   5542:     my %lt = &Apache::lonlocal::texthash(
                   5543:         'format' => 'How should each column be formatted?',
                   5544:         'width'  => 'Width',
                   5545:         'height' => 'Height',
                   5546:         'margin' => 'Left Margin'
                   5547:     );
                   5548: 
                   5549:     $result .= '<p>'.$lt{'format'}.'</p>'
                   5550:               .&Apache::lonhtmlcommon::start_pick_box()
                   5551:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   5552:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   5553:               .'<select name="'.$var.'.widthunit">'
                   5554:               .$size{'width_options'}
                   5555:               .'</select>'
                   5556:               .&Apache::lonhtmlcommon::row_closure()
                   5557:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   5558:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   5559:               .'<select name="'.$var.'.heightunit">'
                   5560:               .$size{'height_options'}
                   5561:               .'</select>'
                   5562:               .&Apache::lonhtmlcommon::row_closure()
                   5563:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   5564:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   5565:               .'<select name="'.$var.'.lmarginunit">'
                   5566:               .$size{'margin_options'}
                   5567:               .'</select>'
                   5568:               .&Apache::lonhtmlcommon::row_closure(1)
                   5569:               .&Apache::lonhtmlcommon::end_pick_box();
                   5570:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   5571:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 5572: 
                   5573:     return $result;
                   5574: }
                   5575: 
1.470     foxr     5576: 
1.144     bowersj2 5577: sub preprocess {
                   5578:     my $self = shift;
                   5579:     my $helper = Apache::lonhelper::getHelper();
                   5580: 
                   5581:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     5582: 
                   5583:     #  If the user does not have 'pav' privilege, set default widths and
                   5584:     #  on to the next state right away.
                   5585:     #
                   5586:     if (!$perm{'pav'}) {
                   5587: 	my $var = $self->{'variable'};
                   5588: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   5589: 	
                   5590: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5591: 	($papersize)                      = split(/ /, $papersize);
                   5592: 	
                   5593: 	
1.560     foxr     5594: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     5595: 
1.467     foxr     5596: 	#  Figure out some good defaults for the print out and set them:
                   5597: 	
                   5598: 	my %size;
                   5599: 	($size{'width'},
                   5600: 	 $size{'height'},
                   5601: 	 $size{'lmargin'})=
                   5602: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   5603: 	
                   5604: 	foreach my $dim ('width', 'height', 'lmargin') {
                   5605: 	    my ($value, $units) = split(/ /, $size{$dim});
1.699     raeburn  5606: 
1.467     foxr     5607: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   5608: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
1.699     raeburn  5609: 
1.467     foxr     5610: 	}
                   5611: 	
                   5612: 
                   5613: 	# Transition to the next state
                   5614: 
                   5615: 	$helper->changeState($self->{NEXTSTATE});
                   5616:     }
1.699     raeburn  5617: 
1.144     bowersj2 5618:     return 1;
                   5619: }
                   5620: 
                   5621: sub postprocess {
                   5622:     my $self = shift;
                   5623: 
                   5624:     my $var = $self->{'variable'};
                   5625:     my $helper = Apache::lonhelper->getHelper();
1.699     raeburn  5626:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"};
                   5627:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"};
                   5628:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"};
                   5629:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"};
                   5630:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"};
                   5631:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"};
1.144     bowersj2 5632: 
                   5633:     my $error = '';
                   5634: 
1.699     raeburn  5635:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed
1.144     bowersj2 5636:     # by an optional period, followed by digits, ending the string
                   5637: 
1.464     albertel 5638:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5639:         $error .= "Invalid width; please type only a number.<br />\n";
                   5640:     }
1.464     albertel 5641:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5642:         $error .= "Invalid height; please type only a number.<br />\n";
                   5643:     }
1.464     albertel 5644:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5645:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     5646:     } else {
                   5647: 	# Adjust for LaTeX 1.0 inch margin:
                   5648: 
                   5649: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   5650: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   5651: 	} else {
                   5652: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   5653: 	}
1.144     bowersj2 5654:     }
                   5655: 
                   5656:     if (!$error) {
                   5657:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   5658:         return 1;
                   5659:     } else {
                   5660:         $self->{ERROR_MSG} = $error;
                   5661:         return 0;
                   5662:     }
                   5663: }
                   5664: 
1.1       www      5665: __END__
1.6       sakharuk 5666: 

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